CN111362323B

CN111362323B - High-efficiency pretreatment equipment for high-concentration chemical wastewater

Info

Publication number: CN111362323B
Application number: CN202010151492.XA
Authority: CN
Inventors: 张以飞; 樊健; 周玲; 陈刚; 汤云豪; 郑轶文; 靳辉
Original assignee: Academy Of Environmental Planning & Design Co Ltd Nanjing University; Nanjing University Environmental Planning And Design Institute Jiangsu Co ltd
Current assignee: Academy Of Environmental Planning & Design Co Ltd Nanjing University; Nanjing University Environmental Planning And Design Institute Jiangsu Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-03-30
Anticipated expiration: 2040-03-06
Also published as: CN111362323A

Abstract

The invention discloses high-efficiency pretreatment equipment for high-concentration chemical wastewater, which comprises a bottom plate, wherein a plunger water pump is fixed on the top surface of the bottom plate through bolts, an outlet of the plunger water pump is fixedly communicated with a discharge pipe, the end part of the top surface of the bottom plate is fixedly connected with a supporting leg, and the top end of the supporting leg is provided with a pretreatment equipment main body; carry out the waterlogging caused by excessive rainfall to mud through mud receiving arrangement, reduce the water content in the mud, reduce the sewage that mud drips in the transportation process, help the environmental protection, the mud after the cooperation through mud receiving arrangement and swinging boom is automatic to be waterlogged is emptyd out, do not need artificial clear drawing, time saving and labor saving, carry out the flowing back to the sewage of hydrops bucket and inner bag incasement portion through drainage controlling means automatic selection, do not need artificial control, easy operation is convenient, the practicality of this high concentration chemicals waste water high efficiency pretreatment equipment has been improved.

Description

High-efficiency pretreatment equipment for high-concentration chemical wastewater

Technical Field

The invention relates to the field of sewage treatment equipment, in particular to high-efficiency pretreatment equipment for high-concentration chemical wastewater.

Background

The method is characterized in that the pretreatment and the subsequent treatment are determined to be necessary for the biochemical treatment process because effective pretreatment measures are required to remove or partially remove the substances in the high-concentration refractory organic chemical wastewater In order to meet the process requirements of biological treatment, the pretreatment method of high-concentration chemical wastewater comprises a physical treatment method and a chemical treatment method, wherein the physical methods commonly used for chemical wastewater treatment comprise a filtration method, a gravity precipitation method and an air floatation method, and are suitable for removing insoluble solid components.

Present high-efficient pre-treatment facilities of high concentration chemical waste water utilizes the cooperation on filter screen and grain bed of material to filter high concentration chemical waste water, reach the purpose of holding back solid impurity in the sewage, but in the in-service use process, often can pile up a lot of solid impurity on the top surface of filter screen, these solid impurity pile up and form mud together, mud blocks up the mesh on with the filter screen, lead to water treatment efficiency to reduce, and can not be with mud automatic discharge, it draws clearly to mud to need the workman, waste time and energy, consequently, need to design a high-efficient pre-treatment facilities of high concentration chemical waste water urgently.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems that the prior high-efficiency pretreatment equipment for high-concentration chemical wastewater in the prior art filters the high-concentration chemical wastewater by utilizing the matching of a filter screen and a particle material layer to achieve the aim of intercepting solid impurities in the sewage, but in the actual use process, a large amount of solid impurities are often accumulated on the top surface of the filter screen and are accumulated together to form sludge, the sludge blocks meshes on the filter screen, so that the water treatment efficiency is reduced, the sludge cannot be automatically discharged, workers are required to clear the sludge, and time and labor are wasted, the invention aims to provide the high-efficiency pretreatment equipment for the high-concentration chemical wastewater, and can well solve the problems in the background technology.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The high-efficiency pretreatment equipment for the high-concentration chemical wastewater comprises a bottom plate, wherein a plunger water pump is fixed on the top surface of the bottom plate through bolts, an outlet of the plunger water pump is fixedly communicated with a discharge pipe, the end part of the top surface of the bottom plate is fixedly connected with a supporting leg, and the top end of the supporting leg is provided with a pretreatment equipment main body;

the pretreatment equipment main body comprises a main body shell, the bottom surface of the main body shell is fixedly connected with the top ends of supporting legs, the bottom surface of the main body shell is provided with a drainage control device, the bottom surface of an inner cavity of the main body shell is provided with a sludge receiving device, the top surface of the main body shell is provided with a liquid level control device and a driving device, the side surface of the main body shell is provided with a fixed perforation, the top end of the side surface of the main body shell is fixedly connected with a shielding curtain, the shielding curtain blocks the fixed perforation, the side surface of the shielding curtain is in contact connection with the side surface of the main body shell, the bottom end of the shielding curtain is fixedly connected with a counterweight rod, the bottom surface of the inner cavity of the main body shell is fixedly connected with a liner box, the top end of the liner box is fixedly connected with the top surface of the inner cavity of, the top surface of the supporting bar is provided with a net cage, the inside of the net cage is filled with granules and forms a granule layer, the bottom surface of the net cage is in contact connection with the top surface of the supporting bar, the net cage is in sliding connection with the inner wall of the liner box, the right side surface of the inner cavity of the net cage is fixedly connected with a partition plate, the top of the net cage is provided with a net cover, the net cover is in sliding connection with the inner wall of the liner box, and the bottom surface of the net cover is in;

the drainage control device comprises a fixed block and a liquid accumulation barrel, the top surface of the fixed block is fixedly connected with the bottom surface of a main body shell, a buffer cavity is formed in the fixed block, a liquid conveying pipe is fixedly inserted in the bottom surface of the fixed block, the top end of the liquid conveying pipe is communicated with the buffer cavity, the other end of the liquid conveying pipe is communicated with an inlet of a plunger water pump, three flow channels are formed in the fixed block, one end of each flow channel is communicated with the buffer cavity, a sealing cavity is formed in the fixed block and is communicated with the flow channels, a limiting block is fixedly connected to the bottom surface of an inner cavity of the sealing cavity, the inner wall of the sealing cavity is connected with a piston in a transmission manner through a tension spring, the pistons are connected with the inner wall of the sealing cavity in a sliding manner, two pistons are connected, an elastic hose is connected between the two pistons, transmission rope pipes are, a first water delivery pipe is fixedly communicated with an opening of one flow channel, which is positioned on the right side face of the fixed block, the other end of the first water delivery pipe bypasses the fixed block leftwards and extends to the inside of the main body shell, a second water delivery pipe is fixedly communicated with an opening of the other flow channel, which is positioned on the left side face of the fixed block, the other end of the second water delivery pipe bypasses the fixed block rightwards and extends to the inside of the main body shell, an adapter pipe is fixedly communicated with an opening of the other flow channel, which is positioned on the top face of the fixed block, the top end of the adapter pipe is communicated with the inner container box, a protective shell is fixedly connected to the side face of the fixed block, the top face of the; the liquid accumulation barrels are fixedly connected to the bottom surface of the inner cavity of the main body shell, the number of the liquid accumulation barrels is two, the end parts of the first water delivery pipe and the second water delivery pipe respectively extend to the insides of the two liquid accumulation barrels, the side surface of each liquid accumulation barrel is fixedly connected with the side surface of the inner container box, the bottom surface of the inner cavity of each liquid accumulation barrel is fixedly connected with a thin-wall rubber hose, one end of each transmission rope pipe bypasses the guide wheel and penetrates through the thin-wall rubber hose, the floating ball is fixedly connected with the transmission rope pipe, the top end of each thin-wall rubber hose is fixedly sleeved on the outer portion of the transmission rope pipe;

the sludge receiving device comprises an elevating seat, the bottom surface of the elevating seat is fixedly connected with the bottom surface of the inner cavity of the main body shell, the top surface of the elevating seat is fixedly connected with an arc-shaped track, a compression spring and a rotating arm are movably sleeved outside the arc-shaped track, one end of the compression spring is fixedly connected with the top surface of the elevating seat, the other end of the compression spring is connected with the rotating arm, the top end of the rotating arm is fixedly connected with a U-shaped liquid guide plate, the top of the U-shaped liquid guide plate is fixedly connected with a sewage collection box, the bottom surface of the sewage collection box is provided with a water leakage hole, and the bottom surface of the inner cavity of the sewage;

the rotating arm comprises an outer wall and a limiting ratchet, a fixed shaft is fixedly connected to the outer wall, the other end of the fixed shaft is movably sleeved with the inner wall of the main body shell, an installation cavity, an arc-shaped hole, a fixed cavity and a transfer hole are formed in the outer wall, the transfer hole is communicated with the installation cavity, the arc-shaped hole and the fixed cavity, a containing hole is formed in the bottom surface of the inner cavity of the arc-shaped hole, a limiting groove is formed in the inner wall of the fixed cavity, an arc-shaped track is movably inserted in the arc-shaped hole, a force application elastic sheet is fixedly connected to the bottom surface of the inner cavity of the installation cavity, a piston plate is slidably sleeved in the installation cavity, the bottom surface of the piston plate is in contact connection with the top end of the force application elastic sheet, a force application plate is fixedly connected to the top surface of the piston plate, the top end of the force application plate penetrates through the, the limiting ratchet can be meshed with the conical hole in a one-way mode, the bottom surface of the inner cavity of the fixing cavity is connected with an inner arm through a weighing spring in a transmission mode, the top end of the inner arm is fixedly connected with the bottom surface of the U-shaped liquid guide plate, the fixing hole is formed in the inner portion of the inner arm, a guide rod is movably inserted into the fixing hole, the bottom end of the guide rod penetrates through the weighing spring and is fixedly connected with the bottom surface of the inner cavity of the fixing cavity, a sliding block is fixedly connected to the side surface of the inner arm, and the other end of the sliding;

the liquid level control device comprises a fixed column, the bottom end of the fixed column is fixedly connected to the top surface of the main body shell, a guide cavity is formed in the fixed column, a conical groove is formed in the top surface of the inner cavity of the guide cavity, an insertion hole communicated with the conical groove is formed in the fixed column, a liquid inlet pipe is fixedly communicated with the left end of the insertion hole, the other end of the liquid inlet pipe is communicated with an external high-concentration chemical wastewater pipeline, a conveying pipe is fixedly communicated with the right end of the insertion hole, the bottom surface of the inner cavity of the guide cavity is connected with a plugging device through jacking spring transmission, and a clamping hole is formed;

the plugging device comprises a piston block, the piston block is connected with the inner wall of a guide cavity in a sliding manner, the bottom surface of the piston block is fixedly connected with the top end of a jacking spring, the top surface of the piston block is fixedly connected with a conical end socket, the conical end socket is matched with a conical groove, a strain cavity is formed in the piston block, a top surface of an inner cavity of the strain cavity is provided with a adapting hole, the top end of the adapting hole extends to the inside of the conical end socket, the inner wall of the strain cavity is fixedly connected with a separation plate, the side surface of the separation plate is connected with a push plate through the transmission of a plugging spring, the push plate is connected with the inner wall of the strain cavity in a sliding manner, the other surface of the push plate is fixedly connected with a plug, the other end of the plug extends to the outside of the piston block and is movably plugged in the clamping hole, the number of the push plates is two, a, the outer part of the strain tube is fixedly sleeved with a limiting ring, the outer part of the limiting ring is movably sleeved with a lifting cylinder, the lifting cylinder is movably sleeved with the strain tube, the top end of the lifting cylinder is fixedly connected with a U-shaped lifting plate, the U-shaped lifting plate is movably clamped in the threading groove, a transmission line is movably clamped in the U-shaped lifting plate, the bottom surface of the inner cavity of the strain tube is connected with a straightening plate through a straightening spring in a transmission way, the straightening plate is connected with the inner wall of the strain tube in a sliding way, the bottom surface of the inner cavity of the strain tube is connected with a traction rope, the other end of the traction rope penetrates through the straightening spring and the straightening plate, the U-shaped lifting plate is connected with the transmission line, the traction rope is fixedly sleeved with the straightening plate and movably sleeved with the U-shaped lifting plate, the bottom end of the strain tube penetrates through the jacking spring and extends into the main shell and is fixedly connected with the floating plate, the floating plate is movably inserted with a guide slide rod, and the top end of the guide slide rod is fixedly connected with the top surface of the inner cavity of the main shell;

the driving device comprises a cylinder, the cylinder is fixedly inserted on the top surface of the main body shell, a liquid inlet and a liquid outlet are arranged on the cylinder, the liquid inlet is positioned outside the main body shell, the liquid inlet is communicated with a conveying pipe, the liquid outlet is positioned inside the main body shell, a driving shaft is movably sleeved on the top surface of an inner cavity of the cylinder, a waterwheel blade is fixedly sleeved on the outside of the driving shaft, a cross bar is fixedly connected with the bottom end of the cylinder, the top surface of the cross bar is fixedly connected with the bottom end of a guide slide bar, the end part of the cross bar is fixedly connected with a reinforced inclined plate, the top end of the reinforced inclined plate is fixedly connected with the top surface of the inner cavity of the main body shell, a transmission cavity is arranged inside the cross bar, a T-shaped groove is arranged on the bottom surface of the cross bar, a communication hole is arranged inside the cross bar, a linkage shaft is movably sleeved on the top surface of the inner cavity of the transmission cavity, the bottom end of the linkage shaft is movably sleeved with the bottom surface of the inner cavity of the transmission cavity, a spring is movably sleeved outside the linkage shaft, one end of the spring is fixedly connected with the surface of the linkage shaft, the other end of the spring is fixedly connected with a positioning plate, the positioning plate is fixedly connected with the inner wall of the transmission cavity, a first take-up pulley positioned below the spring is fixedly sleeved outside the linkage shaft, a first force application line is wound outside the first take-up pulley, the other end of the first force application line bypasses a steering wheel and extends to the inside of a T-shaped groove and is connected with a mud scraping device, a transmission rod is movably sleeved on the top surface of the inner cavity of the transmission cavity, the bottom end of the transmission rod is movably sleeved with the bottom surface of the inner cavity of the transmission cavity, a transmission bevel gear and a second take-up pulley are fixedly sleeved outside the transmission rod, a second force application line is wound, the bottom end of the driving shaft extends to the inside of the transmission cavity and is movably sleeved with the bottom surface of the inner cavity of the transmission cavity, a half bevel gear positioned in the transmission cavity is fixedly sleeved outside the driving shaft, and the half bevel gear is meshed with the transmission bevel gear;

the mud scraping device comprises a T-shaped slide rail, the T-shaped slide rail is located inside a T-shaped groove and is in sliding connection with the inner wall of the T-shaped groove, the end portion of a first force application line is fixedly connected with the left side face of the T-shaped slide rail, the end portion of a second force application line is fixedly connected with the right side face of the T-shaped slide rail, the bottom end of the T-shaped slide rail extends to the outside of the T-shaped groove and is fixedly connected with an extrusion flat tube, the extrusion flat tube is in contact connection with the end portion of a reinforced inclined plate, the top face of the inner cavity of the extrusion flat tube is connected with a guide piston through extrusion spring transmission, the guide piston is in sliding connection with the inner wall of the extrusion flat tube, the bottom end of the guide piston is fixedly connected with an extrusion flat tube, the bottom end of the extrusion flat tube extends to the outside of the extrusion flat tube and is fixedly connected with a ox, The piston is guided and extends to the interior of the squeeze bulb.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the sewage amount on the top surface of the net cover is controlled by the matching of the liquid level control device and the plugging device, the problem that sewage enters the sludge receiving device through the sewage discharge hole due to overhigh sewage liquid level is avoided, sludge generated on the top surface of the net cover is timely scraped by the matching of the driving device and the sludge scraping device, the sludge cannot be accumulated on the top surface of the net cover, the problem that meshes on the net cover are blocked by the sludge is solved, meanwhile, the sludge scraping device can extrude the sludge, so that the sludge can move upwards along a gap between the inclined plate and the reinforced inclined plate and enters the sludge receiving device through the sewage discharge hole, the purpose of automatically separating the sludge from the sewage is realized, the sludge is drained by the sludge receiving device, the water content in the sludge is reduced, the sewage dropped in the transferring process is reduced, the environment is protected, and the drained sludge is automatically poured out by the matching of the sludge receiving device and the rotary arm, need not artificial drawing clearly, labour saving and time saving carries out the flowing back to the inside sewage of hydrops bucket and inner bag case through drainage controlling means automatic selection, does not need artificially to control, and easy operation is convenient, has improved this high concentration chemicals waste water high efficiency pretreatment equipment's practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the drain control device of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the inner structure of the liquid collecting barrel in FIG. 2 according to the present invention;

FIG. 5 is a schematic view showing the internal structure of the sludge receiving apparatus shown in FIG. 2 according to the present invention;

FIG. 6 is a schematic view showing the internal structure of the rotating arm of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of the internal structure of the liquid level control apparatus of FIG. 2 according to the present invention;

FIG. 8 is a schematic view of the internal structure of the plugging device of FIG. 7 according to the present invention;

FIG. 9 is a schematic view of the internal structure of the driving device shown in FIG. 2 according to the present invention;

FIG. 10 is a schematic view of the internal structure of the cylinder of FIG. 9 according to the present invention;

FIG. 11 is a top view of the internal structure of FIG. 10 according to the present invention;

fig. 12 is a schematic view of the internal structure of the mud scraping device in fig. 9.

The reference numbers in the figures illustrate:

100. a base plate; 200. a plunger water pump; 300. a discharge pipe; 400. supporting legs; 1. pre-treating the equipment main body; 101. a main body housing; 102. fixing the through hole; 103. a curtain; 104. a weight lever; 105. a liner box; 106. a supporting strip; 107. an inclined plate; 108. a sewage draining hole; 109. a net cage; 110. a partition plate; 111. a net cover; 2. a drainage control device; 201. a fixed block; 202. a buffer chamber; 203. a transfusion tube; 204. a flow channel; 205. sealing the cavity; 206. a limiting block; 207. a tension spring; 208. a piston; 209. an elastic hose; 210. a transmission rope pipe; 211. a first water delivery pipe; 212. a second water delivery pipe; 213. a transfer tube; 214. a protective shell; 215. a guide wheel; 216. a liquid accumulation barrel; 217. a thin-walled rubber hose; 218. a floating ball; 219. buckling the groove; 3. a sludge receiving device; 31. a padding seat; 32. an arc-shaped track; 33. a compression spring; 34. a U-shaped liquid guide plate; 35. a sewage collection tank; 36. a water leakage hole; 37. water-permeable cloth; 4. a rotating arm; 401. an outer wall; 402. a fixed shaft; 403. a mounting cavity; 404. an arc-shaped hole; 405. an accommodation hole; 406. a fixed cavity; 407. a limiting groove; 408. switching the hole; 409. a force application elastic sheet; 410. a piston plate; 411. a force application plate; 412. a tapered hole; 413. limiting ratchets; 414. weighing a spring; 415. an inner arm; 416. a fixing hole; 417. a guide bar; 418. a slider; 5. a liquid level control device; 51. fixing a column; 52. a guide cavity; 53. a tapered groove; 54. inserting holes; 55. a liquid inlet pipe; 56. a transport pipe; 57. a jacking spring; 58. a clamping hole; 6. a plugging device; 601. a piston block; 602. a conical end enclosure; 603. a strain chamber; 604. an adaptation hole; 605. a separator plate; 606. plugging the spring; 607. pushing the plate; 608. a plug-in connector; 609. a drive line; 610. a strain tube; 611. a threading slot; 612. straightening the spring; 613. a straightening plate; 614. a pulling rope; 615. a floating plate; 616. a guide slide bar; 617. a limiting ring; 618. a lifting cylinder; 619. a U-shaped lifting plate; 7. a drive device; 701. a cylinder; 702. a liquid inlet; 703. a liquid outlet; 704. a drive shaft; 705. water wheel blades; 706. a horizontal bar; 707. a reinforced sloping plate; 708. a transmission cavity; 709. a T-shaped groove; 710. a communicating hole; 711. positioning the shaft; 712. a steering wheel; 713. a linkage shaft; 714. a clockwork spring; 715. a first take-up pulley; 716. a first force application line; 717. positioning a plate; 718. a transmission rod; 719. a drive bevel gear; 720. a second take-up pulley; 721. a half bevel gear; 722. a second force application line; 8. a mud scraping device; 81. a T-shaped slide rail; 82. extruding flat pipes; 83. a compression spring; 84. a pilot piston; 85. extruding the flat cylinder; 86. a cattle horn scraper; 87. and (4) stabilizing the rod.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-12, the high-efficiency pretreatment apparatus for high-concentration chemical wastewater comprises a bottom plate 100, a plunger water pump 200 is fixed on the top surface of the bottom plate 100 by bolts, an outlet of the plunger water pump 200 is fixedly communicated with a discharge pipe 300, a support leg 400 is fixedly connected to the end part of the top surface of the bottom plate 100, and a pretreatment apparatus main body 1 is arranged at the top end of the support leg 400.

The pretreatment equipment main body 1 comprises a main body shell 101, the bottom surface of the main body shell 101 is fixedly connected with the top end of a supporting leg 400, the bottom surface of the main body shell 101 is provided with a drainage control device 2, the bottom surface of the inner cavity of the main body shell 101 is provided with a sludge receiving device 3, the top surface of the main body shell 101 is provided with a liquid level control device 5 and a driving device 7, the side surface of the main body shell 101 is provided with a fixed perforation 102, the top end of the side surface of the main body shell 101 is fixedly connected with a shielding curtain 103, the shielding curtain 103 blocks the fixed perforation 102, the side surface of the shielding curtain 103 is in contact connection with the side surface of the main body shell 101, the bottom end of the shielding curtain 103 is fixedly connected with a balance weight lever 104, the bottom surface of the inner cavity of the main body shell 101 is fixedly connected with an inner container box 105, the top end of the inner container box 105 is fixedly connected with, the top end of the inclined plate 107 is provided with a sewage discharge hole 108, the top surface of the supporting strip 106 is provided with a net cage 109, the inside of the net cage 109 is filled with granules and forms a granule layer, the bottom surface of the net cage 109 is in contact connection with the top surface of the supporting strip 106, the net cage 109 is in sliding connection with the inner wall of the inner container box 105, the right side surface of the inner cavity of the net cage 109 is fixedly connected with a partition plate 110, the top of the net cage 109 is provided with a net cover 111, the net cover 111 is in sliding connection with the inner wall of the inner container box 105, and the bottom surface of the.

The drainage control device 2 comprises a fixed block 201 and a liquid accumulation barrel 216, the top surface of the fixed block 201 is fixedly connected with the bottom surface of the main body shell 101, a buffer cavity 202 is formed in the fixed block 201, a liquid conveying pipe 203 is fixedly inserted in the bottom surface of the fixed block 201, the top end of the liquid conveying pipe 203 is communicated with the buffer cavity 202, the other end of the liquid conveying pipe 203 is communicated with an inlet of the plunger pump 200, three flow passages 204 are formed in the fixed block 201, one end of each flow passage 204 is communicated with the buffer cavity 202, a sealing cavity 205 is formed in the fixed block 201, the sealing cavity 205 is communicated with the flow passages 204, a limiting block 206 is fixedly connected to the bottom surface of the inner cavity of the sealing cavity 205, the inner wall of the sealing cavity 205 is in transmission connection with a piston 208 through a tension spring 207, the piston 208 is in sliding connection with the inner wall of the sealing cavity 205, the number of, the other end of a transmission rope pipe 210 on each piston 208 penetrates through an elastic hose 209 and the other piston 208 and extends to the outside of the fixed block 201, an opening of one flow channel 204 on the right side of the fixed block 201 is fixedly communicated with a first water conveying pipe 211, the other end of the first water conveying pipe 211 bypasses the fixed block 201 leftwards and extends to the inside of the main body shell 101, an opening of the other flow channel 204 on the left side of the fixed block 201 is fixedly communicated with a second water conveying pipe 212, the other end of the second water conveying pipe 212 bypasses the fixed block 201 rightwards and extends to the inside of the main body shell 101, an opening of the other flow channel 204 on the top surface of the fixed block 201 is fixedly communicated with an adapter pipe 213, the top end of the adapter pipe 213 is communicated with the inner container 105, the side surface of the fixed block 201 is fixedly connected with a protective shell 214, the top surface of the protective shell 214 is fixedly connected with the bottom surface; the liquid accumulation barrels 216 are fixedly connected to the bottom surface of the inner cavity of the main body shell 101, the number of the liquid accumulation barrels 216 is two, the end portions of the first water conveying pipe 211 and the second water conveying pipe 212 respectively extend into the two liquid accumulation barrels 216, the side surface of the liquid accumulation barrel 216 is fixedly connected with the side surface of the liner box 105, the bottom surface of the inner cavity of the liquid accumulation barrel 216 is fixedly connected with a thin-wall rubber hose 217, one end of a transmission rope hose 210 bypasses a guide wheel 215 and penetrates through the thin-wall rubber hose 217 and is fixedly connected with a floating ball 218, the top end of the thin-wall rubber hose 217 is fixedly connected to the outside of the transmission rope hose 210, the top of the side surface of the liquid accumulation barrel 216 is provided with a buckling groove 219, namely, the floating ball 218 at the left end of the main body shell 101 is fixedly connected with the left end of a right piston 208 inside the fixed block 201, the right end 218 of the main body shell 101 is fixedly connected with the right end of, the flow channel 204 at the left end of the fixing block 201 is communicated with the effusion barrel 216 at the right end of the main body casing 101 through a second water conveying pipe 212.

Sludge receiving device 3 includes heightening seat 31, heightening seat 31's bottom surface and the bottom surface fixed connection of main body cover 101 inner chamber, heightening seat 31's top surface fixedly connected with arc track 32, compression spring 33 and swinging boom 4 have been cup jointed in arc track 32's outside activity, compression spring 33's one end and heightening seat 31's top surface fixed connection, compression spring 33's the other end and swinging boom 4 are connected, swinging boom 4's top fixedly connected with U type drain board 34, the top fixedly connected with collection dirty case 35 of U type drain board 34, the hole of leaking has been seted up on collection dirty case 35's the bottom surface, the bottom surface fixedly connected with cloth 37 that seeps water of collection dirty case 35 inner chamber.

The rotating arm 4 comprises an outer wall 401 and a limit ratchet 413, a fixed shaft 402 is fixedly connected to the outer wall 401, the other end of the fixed shaft 402 is movably sleeved with the inner wall of the main body shell 101, a mounting cavity 403, an arc hole 404, a fixed cavity 406 and a switching hole 408 are formed in the outer wall 401, the switching hole 408 is communicated with the mounting cavity 403, the arc hole 404 and the fixed cavity 406, a containing hole 405 is formed in the bottom surface of the inner cavity of the arc hole 404, a limit groove 407 is formed in the inner wall of the fixed cavity 406, the arc track 32 is movably inserted in the arc hole 404, a force application elastic sheet 409 is fixedly connected to the bottom surface of the inner cavity of the mounting cavity 403, a piston plate 410 is slidably sleeved in the mounting cavity 403, the bottom surface of the piston plate 410 is in contact connection with the top end of the force application elastic sheet 409, a force application plate 411 is fixedly connected to the top surface of the piston plate 410, the top end of the, the arc-shaped track 32 is movably inserted into the tapered hole 412, the limiting ratchet 413 is fixedly connected to the inner side face of the arc-shaped track 32, the limiting ratchet 413 can be meshed with the tapered hole 412 in a single direction, the bottom face of the inner cavity of the fixed cavity 406 is connected with an inner arm 415 through a weighing spring 414 in a transmission mode, the top end of the inner arm 415 is fixedly connected with the bottom face of the U-shaped liquid guide plate 34, a fixed hole 416 is formed in the inner arm 415, a guide rod 417 is movably inserted into the inner portion of the fixed hole 416, the bottom end of the guide rod 417 penetrates through the weighing spring 414 and is fixedly connected with the bottom face of the inner cavity of the fixed cavity 406, a sliding block 418 is fixedly connected to the side face of the inner arm 415.

Liquid level control device 5 includes fixed column 51, fixed column 51's bottom fixed connection is on main body cover 101's top surface, direction chamber 52 has been seted up to fixed column 51's inside, conical groove 53 has been seted up to the top surface of direction chamber 52 inner chamber, spliced eye 54 with conical groove 53 intercommunication is seted up to fixed column 51's inside, the fixed intercommunication in left end of spliced eye 54 has feed liquor pipe 55, the other end and the outside high concentration chemicals waste water pipe intercommunication of feed liquor pipe 55, the fixed intercommunication in right-hand member of spliced eye 54 has transport pipe 56, the underrun of direction chamber 52 inner chamber has plugging device 6 through jacking spring 57 transmission connection, joint hole 58 has been seted up to the inner wall of direction chamber 52.

The plugging device 6 comprises a piston block 601, the piston block 601 is connected with the inner wall of the guide cavity 52 in a sliding manner, the bottom surface of the piston block 601 is fixedly connected with the top end of the jacking spring 57, the top surface of the piston block 601 is fixedly connected with a conical sealing head 602, the conical sealing head 602 is matched with the conical groove 53, the interior of the piston block 601 is provided with a strain cavity 603, the top surface of the inner cavity of the strain cavity 603 is provided with a adapting hole 604, the top end of the adapting hole 604 extends to the interior of the conical sealing head 602, the inner wall of the strain cavity 603 is fixedly connected with a separation plate 605, the side surface of the separation plate 605 is connected with a push plate 607 in a transmission manner through a plugging spring 606, the push plate 607 is connected with the inner wall of the strain cavity 603 in a sliding manner, the other surface of the push plate 607 is fixedly connected with a plug 608, the other end of the plug 608 extends to the exterior of, a strain tube 610 is movably inserted on the bottom surface of the piston block 601, a threading groove 611 is arranged at the top end of the side surface of the strain tube 610, a limiting ring 617 is fixedly sleeved on the outer portion of the strain tube 610, a lifting cylinder 618 is movably sleeved on the outer portion of the limiting ring 617, the lifting cylinder 618 is movably sleeved with the strain tube 610, the top end of the lifting cylinder 618 is fixedly connected with a U-shaped lifting plate 619, the U-shaped lifting plate 619 is movably clamped inside the threading groove 611, a driving wire 609 is movably clamped inside the U-shaped lifting plate 619, the bottom surface of the inner cavity of the strain tube 610 is in driving connection with a straightening plate 613 through a straightening spring 612, the straightening plate 613 is in sliding connection with the inner wall of the strain tube 610, a pulling rope 614 is connected to the bottom surface of the inner cavity of the strain tube 610, the other end of the pulling rope 614 penetrates through the straightening spring 612, the straightening plate 613 and the U-shaped lifting plate 619 and is connected with a driving wire 609, the pulling rope is fixedly sleeved with the straightening plate 613, the, the bottom end of the strain tube 610 penetrates through the jacking spring 57 and extends into the main body casing 101, and is fixedly connected with a floating plate 615, a guide sliding rod 616 is movably inserted on the floating plate 615, and the top end of the guide sliding rod 616 is fixedly connected with the top surface of the inner cavity of the main body casing 101.

The driving device 7 comprises a cylinder 701, the cylinder 701 is fixedly inserted on the top surface of the main body shell 101, a liquid inlet 702 and a liquid outlet 703 are arranged on the cylinder 701, the liquid inlet 702 is positioned outside the main body shell 101, the liquid inlet 702 is communicated with the conveying pipe 56, the liquid outlet 703 is positioned inside the main body shell 101, a driving shaft 704 is movably sleeved on the top surface of the inner cavity of the cylinder 701, a water wheel blade 705 is fixedly sleeved outside the driving shaft 704, a cross bar 706 is fixedly connected to the bottom end of the cylinder 701, the top surface of the cross bar 706 is fixedly connected with the bottom end of the guide slide bar 616, a reinforcing inclined plate 707 is fixedly connected to the end part of the cross bar 706, the top end of the reinforcing inclined plate 707 is fixedly connected with the top surface of the inner cavity of the main body shell 101, a transmission cavity 708 is arranged inside the cross bar 706, a T-shaped groove 709 is arranged, a mud scraping device 8 is arranged in the T-shaped groove 709, a positioning shaft 711 is fixedly connected to the inner wall of the communicating hole 710, a steering wheel 712 is movably sleeved outside the positioning shaft 711, a linkage shaft 713 is movably sleeved on the top surface of the inner cavity of the transmission cavity 708, the bottom end of the linkage shaft 713 is movably sleeved on the bottom surface of the inner cavity of the transmission cavity 708, a clockwork spring 714 is movably sleeved outside the linkage shaft 713, one end of the clockwork spring 714 is fixedly connected with the surface of the linkage shaft 713, a positioning plate 717 is fixedly connected with the other end of the clockwork spring 714, the positioning plate 717 is fixedly connected with the inner wall of the transmission cavity 708, a first take-up pulley 715 positioned below the clockwork spring 714 is fixedly sleeved outside the linkage shaft 713, a first force application line 716 is wound outside the first force application line 716, the other end of the first force application line 716 bypasses the steering wheel 712, extends to the inside of the T-shaped groove 709, the bottom end of the driving rod 718 is movably sleeved with the bottom surface of the inner cavity of the driving cavity 708, a driving bevel gear 719 and a second take-up pulley 720 are fixedly sleeved outside the driving rod 718, a second force application wire 722 is wound outside the second take-up pulley 720, the other end of the second force application wire 722 bypasses the steering wheel 712 and is connected with the mud scraping device 8, the bottom end of the driving shaft 704 extends into the driving cavity 708 and is movably sleeved with the bottom surface of the inner cavity of the driving cavity 708, a half bevel gear 721 located inside the driving cavity 708 is fixedly sleeved outside the driving shaft 704, and the half bevel gear 721 is meshed with the driving bevel gear 719.

The mud scraping device 8 comprises a T-shaped sliding rail 81, the T-shaped sliding rail 81 is positioned inside a T-shaped groove 709 and is in sliding connection with the inner wall of the T-shaped groove 709, the end part of a first force application line 716 is fixedly connected with the left side surface of the T-shaped sliding rail 81, the end part of a second force application line 722 is fixedly connected with the right side surface of the T-shaped sliding rail 81, the bottom end of the T-shaped sliding rail 81 extends to the outside of the T-shaped groove 709 and is fixedly connected with an extrusion flat tube 82, the extrusion flat tube 82 is in contact connection with the end part of a reinforced inclined plate 707, the top surface of the inner cavity of the extrusion flat tube 82 is in transmission connection with a guide piston 84 through an extrusion spring 83, the guide piston 84 is in sliding connection with the inner wall of the extrusion flat tube 82, the bottom surface of the guide piston 84 is fixedly connected with an extrusion flat tube 85, the bottom end of the extrusion flat tube 85 extends to the outside of the extrusion flat tube 82, the bottom end of the stabilizing rod 87 passes through the pressing spring 83, the guide piston 84 and extends to the inside of the pressing flat cylinder 85.

The working principle is as follows:

firstly, the plunger water pump 200 is started, the plunger water pump 200 operates and sucks the interior of the liner box 105 through the liquid conveying pipe 203, the buffer cavity 202, the flow passage 204, the sealing cavity 205 and the adapter pipe 213, so that the air pressure in the interior of the liner box 105 is reduced, the permeation speed of sewage is accelerated, then high-concentration chemical sewage quickly enters the liner box 105 through the liquid inlet pipe 55, the insertion hole 54, the tapered groove 53, the conveying pipe 56, the liquid inlet 702, the cylinder 701 and the liquid outlet 703 and falls on the top surface of the net cover 111, then the liquid level height on the net cover 111 is gradually increased, then the high-concentration sewage completely submerges the floating plate 615, then the floating plate 615 moves upwards under the action of buoyancy and applies force to the driving wire 609 through the strain pipe 610, then the driving wire 609 is forced to bend upwards and pulls the plug 608 through the push plate 607, the plug 608 moves towards the interior of the strain cavity 603 and is separated from the clamping hole 58, then the plugging device 6 moves upwards under the elasticity of the jacking spring 57 until the conical sealing head 602 is attached to the inner wall of the conical groove 53 to plug the plugging hole 54, at the moment, the push plate 607 drives the plugging head 608 to move outwards under the elasticity of the plugging spring 606 and is inserted into the clamping hole 58 at the top of the fixed column 51 to fix the plugging device 6, at the moment, the pulling rope 614 is in a stretched state, the transmission line 609 is in a stretched state, then the sewage passes through the net cover 111, the granule gaps and the net box 109 to fall on the bottom surface of the inner cavity of the inner container box 105 and is discharged through the adapter tube 213, the sealing cavity 205, the flow channel 204, the buffer cavity 202, the infusion tube 203, the plunger water pump 200 and the discharge tube 300, insoluble impurities in the high-concentration sewage are trapped on the top surface of the net cover 111 to form sludge, the high-concentration sewage on the top surface of the net cover 111 is reduced, the liquid level is lowered, the floating plate 615 is gradually exposed from the high-concentration, then the floating plate 615 pulls the transmission line 609 through the strain tube 610 and the pulling rope 614 under the action of the self gravity, the transmission line 609 is stressed to bend downwards, so that the plug connector 608 is separated from the clamping hole 58 at the top of the fixed column 51, then the lifting cylinder 618 contacts the bottom surface of the inner cavity of the strain cavity 603, then the limiting ring 617 contacts the bottom surface of the inner cavity of the lifting cylinder 618, then the lifting cylinder 618 applies lifting force to the transmission line 609 through the U-shaped lifting plate 619, so that the transmission line 609 is straight, then the floating plate 615 pulls the piston block 601 and the conical sealing head 602 to move downwards through the strain tube 610, the limiting ring 617 and the lifting cylinder 618, the plug hole 54 is opened, high-concentration sewage is supplied again, the piston block 601 applies work to the jacking spring 57, the elastic potential energy of the jacking spring 57 is increased, then the end part of the plug connector 608 is aligned with the clamping hole 58 at the bottom of the fixed column 51 and is inserted into the clamping hole 58 at the bottom of the fixed column 51, the plugging device 6 is fixed, meanwhile, when high-concentration chemical wastewater rapidly enters the cylinder 701 through the liquid inlet 702, the water wheel blade 705 is pushed to rotate, the water wheel blade 705 drives the driving shaft 704 to rotate, the driving shaft 704 drives the half bevel gear 721 to rotate, the half bevel gear 721 periodically drives the transmission bevel gear 719 to rotate, when the half bevel gear 721 is meshed with the transmission bevel gear 719 and drives the transmission rod 718 to rotate, the transmission rod 718 drives the second take-up pulley 720 to rotate, then the second force application wire 722 is wound to the outside of the second take-up pulley 720 and pulls the mud scraping device 8 to move rightwards, then the guide piston 84 applies downward pressure to the ox horn scraper 86 through the extrusion flat cylinder 85 under the elastic force of the extrusion spring 83, then the ox horn scraper 86 slides rightwards on the top surface of the net cover 111, then the sludge remained on the top surface of the net cover 111 is scraped by the ox horn scraper 86, then the ox horn scraper 86 pushes the sludge, then the sludge moves upwards along the gap between the inclined plate 107 and the reinforced inclined plate 707 under the action of the thrust of the ox horn scraper 86 and the extrusion flat barrel 85, and enters the sludge receiving device 3 at the right end of the main body shell 101 through the sewage discharge hole 108 until the right side surface of the extrusion flat tube 82 is contacted with the corresponding reinforced inclined plate 707, at this time, the half bevel gear 721 is just separated from the transmission bevel gear 719, and at the same time, the mud scraping device 8 draws the first force application line 716, then the first force application line 716 is released from the outside of the first take-up pulley 715 and drives the first take-up pulley 715 to rotate, then the first take-up pulley 715 applies work to the spring 714 through the linkage shaft 713, so that the elastic potential energy of the spring 714 is increased, when the half bevel gear 721 is separated from the transmission bevel gear 719, the linkage shaft 713 drives the first take-up pulley 715 to rotate reversely under the action of the elastic force of the spring 714, then the first force application line 716 is wound to, then the first force application line 716 pulls the mud scraping device 8 to move leftwards, then the mud scraping device 8 pulls the second force application line 722, the second force application line 722 is released from the outside of the second take-up pulley 720 and drives the transmission rod 718, the transmission bevel gear 719 and the second take-up pulley 720 to rotate reversely, then the newly generated mud on the top surface of the net cover 111 is pushed into the mud receiving device 3 at the left end of the main body shell 101 by the mud scraping device 8 until the extrusion flat tube 82 is contacted with the reinforced inclined plate 707 at the left end of the main body shell 101, at the moment, the half bevel gear 721 is meshed with the transmission bevel gear 719 again, and the operation is repeated in such a way, so that the mud on the top surface of the net cover 111 is timely scraped and cleaned, the mud cannot be accumulated on the top surface of the net cover 111, the problem that the meshes on the net cover 111 are blocked by the mud is solved, then the mud entering the mud receiving device 3 is kept still in the inside the mud collecting tank 35 for, The water leakage hole 36 falls on the U-shaped liquid guide plate 34 and enters the liquid accumulation barrel 216 along the U-shaped liquid guide plate 34, then more and more sludge is accumulated in the sewage collection tank 35, the gravity of the sludge on the sewage collection tank 35 is increased, then the sewage collection tank 35 applies pressure on the inner arm 415, then the inner arm 415 overcomes the elastic force of the weighing spring 414 to move downwards, then the bottom surface of the inner arm 415 is contacted with the top end of the force application plate 411 and applies downward pressure on the force application plate 411 to enable the force application plate 411 to move downwards, then the force application plate 411 drives the tapered hole 412 to move downwards, then the tapered hole 412 is separated from the limit ratchet 413, the limit on the rotating arm 4 is released, then the rotating arm 4 drives the sewage collection tank 35 to rotate anticlockwise under the action of the elastic force of the compression spring 33, then the sewage collection tank 35 passes through the fixed perforation 102 and drives the shielding curtain 103 to open until the lower left corner of the sewage collection tank 35 is contacted with the side surface of the supporting leg 400, at the moment, the opening of the sewage collection box 35 is inclined downwards, then the sludge in the sewage collection box 35 slides down to the ground under the action of gravity, then thrust is applied to the sewage collection box 35 to enable the sewage collection box 35 to rotate clockwise until the surface of the sewage collection box 35 is attached to the surface of the inner container box 105, at the moment, the rotating arm 4 is in a vertical state, the inner arm 415 lifts the sewage collection box 35 upwards under the elastic force of the weighing spring 414, then the inner arm 415 is separated from the force application plate 411, then the piston plate 410 drives the force application plate 411 to move upwards under the elastic force of the force application elastic sheet 409, then the force application plate 411 drives the tapered hole 412 to move upwards, then the tapered hole 412 is meshed with the limiting ratchet 413, the rotating arm 4 is fixed, the sewage collection box 35 is fixed, then the shielding curtain 103 naturally droops under the action of the gravity of the weight lever 104 and seals the fixed perforation 102, and as the liquid level in the sewage collection barrel 216 increases, the floating ball 218 is gradually, then the floating ball 218 receives buoyancy from sewage, then the floating ball 218 pulls the transmission rope pipe 210 under the action of the buoyancy, then the transmission rope pipe 210 pulls the corresponding piston 208 to move slowly towards the middle, the adapter pipe 213 is blocked, meanwhile, the corresponding flow channel 204 is opened, then the sewage in the effusion bucket 216 is discharged through the first water pipe 211, the flow channel 204, the buffer cavity 202, the infusion pipe 203, the plunger water pump 200 and the discharge pipe 300, then the sewage in the effusion bucket 216 is reduced, the liquid level is reduced, the buoyancy received by the floating ball 218 is reduced until the buoyancy disappears, then the corresponding piston 208 moves towards the limiting block 206 under the elasticity of the tension spring 207 until the piston 208 contacts with the limiting block 206, at the moment, the flow channel 204 is blocked, the adapter pipe 213 is opened, and the purpose of automatically selecting to discharge the sewage in the effusion bucket 216 and the liner tank 105 is achieved.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. High-efficient preliminary treatment equipment of high concentration chemical waste water, including bottom plate (100), its characterized in that: the top surface of the bottom plate (100) is fixedly provided with a plunger water pump (200) by bolts, an outlet of the plunger water pump (200) is fixedly communicated with a discharge pipe (300), the end part of the top surface of the bottom plate (100) is fixedly connected with a supporting leg (400), the top end of the supporting leg (400) is provided with a pretreatment equipment main body (1), the pretreatment equipment main body (1) comprises a main body shell (101), the bottom surface of the main body shell (101) is fixedly connected with the top end of the supporting leg (400), the bottom surface of the main body shell (101) is provided with a drainage control device (2), the bottom surface of the inner cavity of the main body shell (101) is provided with a sludge receiving device (3), the sludge receiving device (3) comprises an elevating seat (31), the bottom surface of the elevating seat (31) is fixedly connected with the bottom surface of the inner cavity of the main body shell (101), the top surface of the elevating seat (31) is fixedly connected with an arc-shaped track, one end of a compression spring (33) is fixedly connected with the top surface of the heightening seat (31), the other end of the compression spring (33) is connected with the rotating arm (4), the top end of the rotating arm (4) is fixedly connected with a U-shaped liquid guide plate (34), the top of the U-shaped liquid guide plate (34) is fixedly connected with a dirt collecting box (35), a water leakage hole (36) is formed in the bottom surface of the dirt collecting box (35), the bottom surface of the inner cavity of the dirt collecting box (35) is fixedly connected with a water seepage cloth (37), the rotating arm (4) comprises an outer wall (401) and a limiting ratchet (413), a fixing shaft (402) is fixedly connected to the outer wall (401), the other end of the fixing shaft (402) is movably sleeved with the inner wall of the main shell (101), an installation cavity (403), an arc-shaped hole (404), a fixing cavity (406), a switching hole (408), a mounting cavity (403), an arc-shaped hole (404), The fixed cavity (406) is communicated, the bottom surface of the inner cavity of the arc-shaped hole (404) is provided with a containing hole (405), the inner wall of the fixed cavity (406) is provided with a limit groove (407), the arc-shaped track (32) is movably inserted in the arc-shaped hole (404), the bottom surface of the inner cavity of the installation cavity (403) is fixedly connected with a force application elastic sheet (409), the inside of the installation cavity (403) is slidably sleeved with a piston plate (410), the bottom surface of the piston plate (410) is in contact connection with the top end of the force application elastic sheet (409), the top surface of the piston plate (410) is fixedly connected with a force application plate (411), the top end of the force application plate (411) penetrates through the transfer hole (408) and extends to the inside of the fixed cavity (406), the force application plate (411) is provided with a tapered hole (412), the arc-shaped track (32) is movably inserted in the tapered hole (412), and a, the limiting ratchet (413) can be meshed with the tapered hole (412) in a one-way mode, the bottom surface of the inner cavity of the fixed cavity (406) is connected with an inner arm (415) through a weighing spring (414) in a transmission mode, the top end of the inner arm (415) is fixedly connected with the bottom surface of the U-shaped liquid guide plate (34), a fixed hole (416) is formed in the inner part of the inner arm (415), a guide rod (417) is movably inserted in the fixed hole (416), the bottom end of the guide rod (417) penetrates through the weighing spring (414) and is fixedly connected with the bottom surface of the inner cavity of the fixed cavity (406), a sliding block (418) is fixedly connected to the side surface of the inner arm (415), the other end of the sliding block (418) is slidably inserted in the limiting groove (407), a liquid level control device (5) and a driving device (7) are arranged on the top surface of the main body shell (101), the driving device (7) comprises a cylinder (701), a liquid inlet (702) and a liquid outlet (703) are arranged on the cylinder (701), the liquid inlet (702) is positioned outside the main body shell (101), the liquid outlet (703) is positioned inside the main body shell (101), a driving shaft (704) is movably sleeved on the top surface of the inner cavity of the cylinder (701), a water wheel blade (705) is fixedly sleeved outside the driving shaft (704), a transverse bar (706) is fixedly connected to the bottom end of the cylinder (701), a reinforced inclined plate (707) is fixedly connected to the end part of the transverse bar (706), the top end of the reinforced inclined plate (707) is fixedly connected to the top surface of the inner cavity of the main body shell (101), a transmission cavity (708) is arranged inside the transverse bar (706), a T-shaped groove (709) is arranged on the bottom surface of the transverse bar (706), a communication hole (710) is arranged inside the transverse bar (706), the transmission cavity (708) is communicated with the T-shaped groove (709) through the communication, the mud scraping device (8) comprises a T-shaped sliding rail (81), the T-shaped sliding rail (81) is positioned inside the T-shaped groove (709) and is in sliding connection with the inner wall of the T-shaped groove (709), the end part of a first force application line (716) is fixedly connected with the left side face of the T-shaped sliding rail (81), the end part of a second force application line (722) is fixedly connected with the right side face of the T-shaped sliding rail (81), the bottom end of the T-shaped sliding rail (81) extends to the outside of the T-shaped groove (709) and is fixedly connected with an extrusion flat pipe (82), the extrusion flat pipe (82) is in contact connection with the end part of a reinforced inclined plate (707), the top surface of the inner cavity of the extrusion flat pipe (82) is in transmission connection with a guide piston (84) through an extrusion spring (83), the guide piston (84) is in sliding connection with the inner wall of the extrusion flat pipe (82), the bottom surface of the guide piston (84) is fixedly connected with an extrusion flat pipe (85), the bottom end of, the ox horn scraper (86) is in sliding connection with the top surface of the net cover (111), the top surface of the inner cavity of the extrusion flat tube (82) is fixedly connected with a stabilizing rod (87), the bottom end of the stabilizing rod (87) penetrates through the extrusion spring (83) and the guide piston (84) and extends into the extrusion flat barrel (85), the inner wall of the communication hole (710) is fixedly connected with a positioning shaft (711), the outer part of the positioning shaft (711) is movably sleeved with a steering wheel (712), the top surface of the inner cavity of the transmission cavity (708) is movably sleeved with a linkage shaft (713), the bottom end of the linkage shaft (713) is movably sleeved with the bottom surface of the inner cavity of the transmission cavity (708), the outer part of the linkage shaft (713) is movably sleeved with a clockwork spring (714), one end of the clockwork spring (714) is fixedly connected with the surface of the linkage shaft (713), the other end of the clockwork spring (717) is fixedly connected, a first take-up pulley (715) positioned below the clockwork spring (714) is fixedly sleeved outside the linkage shaft (713), a first force application line (716) is wound outside the first take-up pulley (715), the other end of the first force application line (716) bypasses the steering wheel (712), extends to the inside of the T-shaped groove (709) and is connected with the mud scraping device (8), a transmission rod (718) is movably sleeved on the top surface of the inner cavity of the transmission cavity (708), the bottom end of the transmission rod (718) is movably sleeved on the bottom surface of the inner cavity of the transmission cavity (708), a transmission bevel gear (719) and a second take-up pulley (720) are fixedly sleeved outside the transmission rod (718), a second force application line (722) is wound outside the second take-up pulley (720), the other end of the second force application line (722) bypasses the steering wheel (712) and is connected with the mud scraping device (8), the bottom end of the driving shaft (704) extends to the inside of the transmission cavity (708 and is movably sleeved on the inner cavity of the bottom surface of the transmission cavity (708, a half bevel gear (721) positioned inside a transmission cavity (708) is fixedly sleeved outside the driving shaft (704), the half bevel gear (721) is meshed with a transmission bevel gear (719), a fixed perforation (102) is formed in the side surface of the main body shell (101), a shielding curtain (103) is fixedly connected to the top end of the side surface of the main body shell (101), the fixed perforation (102) is blocked by the shielding curtain (103), the side surface of the shielding curtain (103) is in contact connection with the side surface of the main body shell (101), a weight bar (104) is fixedly connected to the bottom end of the shielding curtain (103), a liner box (105) is fixedly connected to the bottom surface of the inner cavity of the main body shell (101), the top end of the liner box (105) is fixedly connected to the top surface of the inner cavity of the main body shell (101), a supporting bar (106) is fixedly connected to the inner wall of the liner box (105), and inclined plates (107) are formed, the top end of the inclined plate (107) is provided with a sewage discharge hole (108), the top surface of the supporting strip (106) is provided with a net cage (109), the inside of the net cage (109) is filled with granules and forms a granule layer, the bottom surface of the net cage (109) is in contact connection with the top surface of the supporting strip (106), the net cage (109) is in sliding connection with the inner wall of the liner box (105), the right side surface of the inner cavity of the net cage (109) is fixedly connected with a partition plate (110), the top of the net cage (109) is provided with a net cover (111), the net cover (111) is in sliding connection with the inner wall of the liner box (105), and the bottom surface of the net cover (111) is in contact connection;

the drainage control device (2) comprises a fixed block (201) and a liquid accumulation barrel (216), the top surface of the fixed block (201) is fixedly connected with the bottom surface of a main body shell (101), a buffer cavity (202) is formed inside the fixed block (201), a liquid conveying pipe (203) is fixedly inserted into the bottom surface of the fixed block (201), the top end of the liquid conveying pipe (203) is communicated with the buffer cavity (202), the other end of the liquid conveying pipe (203) is communicated with an inlet of a plunger water pump (200), three flow channels (204) are formed inside the fixed block (201), one end of each flow channel (204) is communicated with the buffer cavity (202), a sealing cavity (205) is formed inside the fixed block (201), the sealing cavity (205) is communicated with the flow channels (204), a limiting block (206) is fixedly connected to the bottom surface of an inner cavity of the sealing cavity (205), and a piston (208) is in transmission connection, the pistons (208) are in sliding connection with the inner wall of the sealed cavity (205), the number of the pistons (208) is two, an elastic hose (209) is connected between the two pistons (208), the side faces, close to each other, of the two pistons (208) are fixedly connected with transmission rope pipes (210), the other end of each transmission rope pipe (210) on each piston (208) penetrates through the elastic hose (209) and the other piston (208) and extends to the outside of the fixed block (201), an opening, located on the right side face of the fixed block (201), of one flow channel (204) is fixedly communicated with a first water conveying pipe (211), the other end of the first water conveying pipe (211) bypasses the fixed block (201) leftwards and extends to the inside of the main body shell (101), an opening, located on the left side face of the fixed block (201), of the other flow channel (204) is fixedly communicated with a second water conveying pipe (212), the other end of the second water conveying pipe (212) bypasses the fixed block (201) rightwards and extends, an opening of the other flow channel (204) on the top surface of the fixed block (201) is fixedly communicated with an adapter tube (213), the top end of the adapter tube (213) is communicated with the liner box (105), the side surface of the fixed block (201) is fixedly connected with a protective shell (214), the top surface of the protective shell (214) is fixedly connected with the bottom surface of the main body shell (101), and the bottom surface of the inner cavity of the protective shell (214) is fixedly connected with a guide wheel (215); the liquid accumulation barrels (216) are fixedly connected to the bottom surface of the inner cavity of the main body shell (101), the number of the liquid accumulation barrels (216) is two, the end portions of the first water conveying pipe (211) and the second water conveying pipe (212) respectively extend into the two liquid accumulation barrels (216), the side surface of each liquid accumulation barrel (216) is fixedly connected with the side surface of the inner container box (105), the bottom surface of the inner cavity of each liquid accumulation barrel (216) is fixedly connected with a thin-wall rubber hose (217), one end of the transmission rope pipe (210) bypasses the guide wheel (215), penetrates through the thin-wall rubber hose (217) and is fixedly connected with the floating ball (218), the top end of the thin-wall rubber hose (217) is fixedly connected to the outer portion of the transmission rope pipe (210), and the top of the side surface of each liquid accumulation barrel (216) is provided; the liquid level control device (5) comprises a fixed column (51), the bottom end of the fixed column (51) is fixedly connected to the top surface of the main body shell (101), a guide cavity (52) is formed inside the fixed column (51), a conical groove (53) is formed in the top surface of the inner cavity of the guide cavity (52), an insertion hole (54) communicated with the conical groove (53) is formed inside the fixed column (51), a liquid inlet pipe (55) is fixedly communicated with the left end of the insertion hole (54), the other end of the liquid inlet pipe (55) is communicated with an external high-concentration chemical wastewater pipeline, a transport pipe (56) is fixedly communicated with the right end of the insertion hole (54), a liquid inlet (702) is communicated with the transport pipe (56), the bottom surface of the inner cavity of the guide cavity (52) is in transmission connection with a plugging device (6) through a jacking spring (57), and a clamping hole (58);

the plugging device (6) comprises a piston block (601), the piston block (601) is in sliding connection with the inner wall of a guide cavity (52), the bottom surface of the piston block (601) is fixedly connected with the top end of a jacking spring (57), the top surface of the piston block (601) is fixedly connected with a conical seal head (602), the conical seal head (602) is matched with a conical groove (53), a strain cavity (603) is formed in the piston block (601), a adapting hole (604) is formed in the top surface of the inner cavity of the strain cavity (603), the top end of the adapting hole (604) extends to the inside of the conical seal head (602), an isolating plate (605) is fixedly connected with the inner wall of the strain cavity (603), the side surface of the isolating plate (605) is in transmission connection with a push plate (607) through a plugging spring (606), the push plate (607) is in sliding connection with the inner wall of the strain cavity (603), and a plug head (608) is, the other end of the plug connector (608) extends to the outside of the piston block (601) and is movably inserted into the clamping hole (58), the number of the push plates (607) is two, a transmission line (609) is fixedly connected between the two push plates (607), a strain tube (610) is movably inserted into the bottom surface of the piston block (601), a threading groove (611) is formed in the top end of the side surface of the strain tube (610), a limiting ring (617) is fixedly sleeved on the outside of the strain tube (610), a lifting cylinder (618) is movably sleeved on the outside of the limiting ring (617), the lifting cylinder (618) is movably sleeved with the strain tube (610), a U-shaped lifting plate (619) is fixedly connected to the top end of the lifting cylinder (618), the U-shaped lifting plate (619) is movably clamped into the threading groove (611), the transmission line (609) is movably clamped into the U-shaped lifting plate (619), a straight tightening plate (613) is connected to the bottom surface of the inner cavity of the strain tube (610) through a straight spring (612), the tension plate (613) is in sliding connection with the inner wall of the strain tube (610), the bottom surface of the inner cavity of the strain tube (610) is connected with a traction rope (614), the other end of the traction rope (614) penetrates through a tension spring (612), the tension plate (613), a U-shaped lifting plate (619) and is connected with a transmission line (609), the traction rope (614) is fixedly sleeved with the tension plate (613), the traction rope (614) is movably sleeved with the U-shaped lifting plate (619), the bottom end of the strain tube (610) penetrates through a jacking spring (57) and extends to the inside of the main shell (101) and is fixedly connected with a floating plate (615), a guide sliding rod (616) is movably inserted into the floating plate (615), the top end of the guide sliding rod (616) is fixedly connected with the top surface of the inner cavity of the main shell (101), and the top surface of a transverse strip (706) is fixedly connected with the bottom end of the guide sliding rod (616.