CN222299248U

CN222299248U - Sewage detection device for chemical drainage pipeline

Info

Publication number: CN222299248U
Application number: CN202420012219.2U
Authority: CN
Inventors: 房兆华; 王小进; 谢正鹏; 李明琦; 许大同; 王涛
Original assignee: Shanghai Xinbodi Chemical Technology Service Co ltd
Current assignee: Shanghai Xinbodi Chemical Technology Service Co ltd
Priority date: 2024-01-03
Filing date: 2024-01-03
Publication date: 2025-01-03
Anticipated expiration: 2034-01-03

Abstract

The utility model provides a sewage detection device for a chemical drainage pipeline, comprising a main pipeline one, wherein the output end of the main pipeline one is fixedly connected with a hand valve, the output end of the hand valve is fixedly connected with the main pipeline two, a sampling mechanism is arranged on the top of the main pipeline two, a solid collection box is fixedly connected with the bottom of the main pipeline two, a mounting frame is fixedly connected with the bottom of the solid collection box, a rotating frame is fixedly connected with the top of the mounting frame and the front and rear sides located inside the solid collection box, a rotating roller is arranged between the tops of the two opposite sides of the rotating frames, a rotating rod is fixedly connected with the left and right sides of the rotating roller, a plurality of equally spaced bases are fixedly connected with the outer side of the rotating roller, a clamping groove is arranged on the side of the base away from the rotating roller, and a cover plate is arranged on the side of the base away from the rotating roller. The utility model can provide sealing measures for the collection bottle through the sampling mechanism to prevent oxidation by external air during detection, thereby improving the accuracy of the sewage detection result.

Description

Sewage detection device for chemical drainage pipeline

Technical Field

The utility model mainly relates to the technical field of chemical wastewater detection, in particular to a chemical drainage pipeline wastewater detection device.

Background

After the pure water is used, the original physical property or chemical property is changed, and the pure water becomes sewage containing different kinds of impurities. The chemical sewage is the sewage such as process sewage, cooling water, waste gas washing water, equipment, site flushing water and the like discharged in the chemical production. If the sewage is discharged without treatment, the sewage can cause pollution of different properties and different degrees of water bodies, thereby endangering human health and affecting industrial and agricultural production, and the treated chemical sewage is usually discharged through a drainage pipeline. Therefore, it is often necessary to detect chemical wastewater so as to know whether the discharged wastewater components meet the discharge standards.

Through retrieving, for example, the utility model patent with the publication number of CN212060212U discloses a chemical drainage pipeline sewage detection device, including being responsible for, the filter chamber has been seted up to main pipe one end bottom, the inside of filter chamber is equipped with the rotating turret, the inside rotation of rotating turret is connected with the pivot, the outside annular arrangement of pivot has a plurality of regulation seats, the inside rotation of regulation seat is connected with the plectrum, the rotating turret lower extreme is connected with the screw rod through the bearing rotation, the other end screw thread of screw rod runs through the bottom at the filter chamber, in this patent, the screw rod drives the rotating turret and rotates the connection design in the filter chamber, conveniently rotate through the plectrum, thereby solid impurity in sewage is held back on the cover plate, and pile up the filter chamber inside through the cover plate transportation, conveniently hold back the detection to solid impurity in the sewage, the design of absorption chamber, conveniently carry out the collection detection to the sewage that carries in the pipeline, and transport to the collection bottle in, carry out the sample retention detection, is simple and practical is convenient.

In the above-mentioned patent technical scheme, drive the rotating turret through the screw rod and rotate the connection design in the filter chamber inside, conveniently rotate through the plectrum to hold back the cover plate with the solid impurity in the sewage, and pile up the filter chamber inside through the cover plate transportation, conveniently hold back the detection to the solid impurity in the sewage, absorb the chamber design, conveniently implement the collection to the sewage of carrying in the pipeline and detect, and transport in the collecting bottle, carry out and leave a kind and detect, simple and practical is convenient. However, the following disadvantages still exist when the technical scheme of the patent is used:

1. When the technical scheme is used, the sewage in the pipeline is extracted by pulling the piston, but the collecting bottle in the technical scheme does not have sealing measures, so that the condition that the sewage is oxidized by outside air easily occurs in the process of conveying the collecting bottle to detection, and the accuracy of the sewage detection result is affected;

2. When the technical scheme is used, solid impurities in sewage are trapped on the cover plate through rotation of the poking plate and are transported and accumulated in the filter cavity through the cover plate, but the poking plate and the cover plate in the technical scheme are easy to damage under the impact of solid particles for a long time, and when the poking plate and the cover plate are damaged, the poking plate and the cover plate in the technical scheme are inconvenient to install and detach rapidly, so that the service life of the device is reduced;

Therefore, we provide a chemical drainage pipeline sewage detection device to solve the defects in the technical scheme.

Disclosure of utility model

The utility model mainly provides a chemical drainage pipeline sewage detection device which is used for solving the technical problems in the background technology.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a chemical industry drainage pipe sewage detection device, includes trunk line one, trunk line one output fixedly connected with hand valve, hand valve output fixedly connected with trunk line two, trunk line two tops are equipped with sampling mechanism, trunk line two bottom fixedly connected with solid collecting box, solid collecting box bottom fixedly connected with installing frame, installing frame bottom fixedly connected with collecting bin, collecting bin bottom fixedly connected with row's material pipe, row material pipe outside fixed cover is equipped with automatically controlled valve one, installing frame top and be located the equal fixedly connected with rotating turret of both sides around the inside of solid collecting box, two be equipped with rotatory roller between the top of rotating turret opposite side, rotatory roller left and right sides equal fixedly connected with bull stick, the base that rotatory roller outside fixedly connected with a plurality of equidistance distributes, the joint groove has been seted up to one side that rotatory roller was kept away from to the base, one side that rotatory roller was kept away from to the base is equipped with the cover plate, the one side fixedly connected with joint board that the cover plate is close to the base, the slot has all been seted up on the left and right sides of joint board, the base left and right sides all are equipped with joint mechanism.

Further, sampling mechanism includes the sampling case of fixed connection in trunk line second top, the bottom fixedly connected with sampling pipe that the sampling case runs through trunk line second, sampling pipe outside fixedly connected with automatically controlled valve second, the inside bottom fixedly connected with filter screen of sampling pipe, sampling incasement portion is equipped with the piston, piston top fixedly connected with pull rod first, the top fixedly connected with hand piece of pull rod through the sampling case, sampling case front end fixedly connected with external screw thread interface, external screw thread interface outside cover is equipped with internal screw thread interface, internal screw thread interface front end fixedly connected with conical tube, conical tube front end fixedly connected with sample bottle, sample bottle front end fixedly connected with battery cover, the inside fixedly connected with battery of battery cover, the inside fixedly connected with dead lever of conical tube, dead lever front end fixedly connected with electric putter, electric putter output fixedly connected with toper sealing plug.

Further, the piston is in sliding connection with the inner wall of the sampling box, the internal thread interface is in threaded connection with the external thread interface, the sampling box is fixedly connected with the penetrating part of the main pipeline II, the first pull rod is in sliding connection with the penetrating part of the sampling box, the size of the conical sealing plug corresponds to the size of the inner part of the conical pipe, and the electric push rod is electrically connected with the battery.

Further, joint mechanism includes the joint box of fixed connection in the base left and right sides, the spout has all been seted up to both sides inner wall about the joint box, the inside fly leaf that is equipped with of joint box, the equal fixedly connected with slider in both sides about the fly leaf, one side fixedly connected with inserted bar that the fly leaf is close to the base, one side fixedly connected with pull rod second of base is kept away from to the fly leaf, one end fixedly connected with hand pulling plate that the pull rod second runs through the joint box, one side and the equal fixedly connected with reset spring of both sides about being located the pull rod second of base is kept away from to the fly leaf.

Further, the fly leaf passes through the spout sliding connection that both sides inner wall was seted up about the slider that upper and lower both sides set up and joint box, second and joint box run through department sliding connection, the one end and the joint box inner wall fixed connection of fly leaf are kept away from to reset spring, reset spring is inside to be equipped with the attenuator, the joint groove sliding connection that the joint board that the cover plate set up through the bottom and base top terminal surface were seted up, the inserted bar runs through the slot slip grafting of seting up on joint box and base and the joint board, just the inserted bar runs through department sliding connection with joint box and base.

Further, the rotating roller is rotationally connected with the rotating frame through rotating rods arranged on the left side and the right side, the mounting frame is fixedly connected with the bottom of the solid collecting box through bolts, a waterproof sealing ring is arranged at the joint of the mounting frame and the solid collecting box, and the collecting bin is communicated with the inside of the solid collecting box.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, when sewage is sampled through the sampling mechanism, the electric control valve II is opened, then the electric push rod is started, the conical sealing plug is pulled to move backwards through the electric push rod, so that the internal channel of the conical tube is opened, then the sampling personnel pulls the hand pulling block, the hand pulling block pulls the pull rod I and the piston to move upwards, thereby generating suction force, the sewage is sucked into the sampling box, solid particles in the sewage can be effectively prevented from entering the sampling box to cause blockage through the arranged filter screen, after the sewage enters the sampling box, when the piston moves above the external thread interface, at the moment, the sewage enters the conical tube through the external thread interface, then enters the sampling bottle through a gap between the conical tube and the conical sealing plug to complete sampling, after the sampling is completed, the electric push rod is started to push the conical sealing plug to move forwards, so that the conical tube is sealed through the conical sealing plug, then the sampling bottle is screwed down by the sampling personnel, and the sampling bottle is sent to the detection chamber to be detected, so that when the chemical drainage pipeline sewage detection device is used, external air oxidation can be prevented in the process of the sampling bottle, and the detection result is improved.

2. According to the utility model, through the cooperation of the hand valve, the mounting frame and the clamping mechanism, when the hand valve is in an open state, sewage enters the main pipeline II through the main pipeline I and is discharged, at the moment, the cover plate drives the rotary roller to rotate relative to the rotating frame under the thrust action of the sewage, meanwhile, the cover plate can collect solid particles in the sewage and discharge the solid particles into the collecting bin, a sampling person waits for sampling the solid particles in the sewage, when the cover plate is damaged under the impact of the solid particles for a long time, the maintenance person can close the hand valve, thereby blocking the discharge of the sewage, then opening the electric control valve I to remove the sewage in the solid collecting box, then loosening the bolts of the mounting frame, disassembling the mounting frame, and then enabling the maintenance person to drive the movable plate and the inserting rod to move towards a direction far away from the base by simultaneously pulling the hand plate, so that the inserting rod and the inserting groove are released, the damaged cover plate is taken down from the base, and then a new cover plate is replaced, after the new cover plate is clamped with the clamping groove, the maintenance person can close the hand plate, the hand plate is released under the action of the reset spring, the sewage can be pushed by the action of the reset spring, and the maintenance person can be conveniently assembled with the inserting groove, and the device is convenient to detach the drain device, and the device can be assembled, and the service life of a drain device can be conveniently and used.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the right-hand structure of the sampling mechanism according to the present utility model;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a schematic diagram of the right-hand structure of the inside of the solids collection bin of the present utility model;

FIG. 5 is a schematic view of the internal front view of the base and the clamping mechanism of the present utility model;

fig. 6 is an enlarged view of region B in fig. 5.

In the figure, 1, a main pipe I, 101, a hand valve, 102, a main pipe II, 103, a solid collecting box, 104, a mounting frame, 105, a collecting bin, 106, a discharging pipe, 107, an electric control valve I, 108, a rotating frame, 109, a rotating roller, 110, a rotating rod, 111, a base, 112, a clamping groove, 113, a cover plate, 114, a clamping plate, 115, a slot, 2, a sampling mechanism, 201, a sampling box, 202, a sampling pipe, 203, an electric control valve II, 204, a filter screen, 205, a piston, 206, a pull rod I, 207, a hand pull block, 208, an external threaded interface, 209, an internal threaded interface, 210, a conical pipe, 211, a sampling bottle, 212, a fixed rod, 213, an electric push rod, 214, a conical sealing plug, 215, a battery cover, 216, a battery, 3, a clamping mechanism, 301, a clamping box, 302, a sliding groove, 303, a movable plate, 304, a plug rod, 305, a pull rod II, 306, a pull plate, 307, a reset spring, 308 and a slide block.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

Referring to fig. 1-6, an embodiment of a sewage detection device for a chemical drainage pipeline includes a main pipe 1, an output end of the main pipe 1 is fixedly connected with a hand valve 101, an output end of the hand valve 101 is fixedly connected with a main pipe second 102, a sampling mechanism 2 is arranged at the top of the main pipe second 102, a solid collecting tank 103 is fixedly connected at the bottom of the main pipe second 102, a mounting frame 104 is fixedly connected at the bottom of the solid collecting tank 103, a collecting bin 105 is fixedly connected with a drainage pipe 106, an electric control valve first 107 is fixedly sleeved outside the drainage pipe 106, a rotating frame 108 is fixedly connected at the top of the mounting frame 104 and positioned at the front side and the rear side inside the solid collecting tank 103, a rotating roller 109 is arranged between the tops of opposite sides of the two rotating frames 108, rotating shafts 110 are fixedly connected at the left side and the right side of the rotating roller 109, a plurality of equidistant bases 111 are fixedly connected at the outer sides of the rotating roller 109, clamping grooves 112 are formed in one side of the bases 111, a cover plate 113 is arranged on one side of the bases 111, which is far away from the rotating roller 109, clamping plates 114 are fixedly connected at one side of the bases 113, which are close to the bases 111, clamping plates 114 are respectively provided with clamping plates 114, and clamping mechanisms 3 are arranged at the left side and right side and the sides of the bases 111.

Wherein the clamping mechanism 3 comprises a clamping box 301 fixedly connected to the left side and the right side of the base 111, sliding grooves 302 are formed in the inner walls of the upper side and the lower side of the clamping box 301, a movable plate 303 is arranged in the clamping box 301, sliding blocks 308 are fixedly connected to the upper side and the lower side of the movable plate 303, a plug rod 304 is fixedly connected to one side of the movable plate 303 close to the base 111, a pull rod second 305 is fixedly connected to one side of the movable plate 303 far away from the base 111, a hand pull plate 306 is fixedly connected to one end of the pull rod second 305 penetrating through the clamping box 301, return springs 307 are fixedly connected to one side of the movable plate 303 far away from the base 111 and positioned on the upper side and the lower side of the pull rod second 305, the movable plate 303 is in sliding connection with the sliding grooves 302 formed in the inner walls of the upper side and the lower side of the clamping box 301 through sliding blocks 308 arranged on the upper side and the lower side of the movable plate 303, one end of the return springs 307 far away from the movable plate 303 is in sliding connection with the inner wall of the clamping box 301, the reset spring 307 is internally provided with a damper, the cover plate 113 is in sliding connection with the clamping groove 112 formed in the top end face of the base 111 through the clamping plate 114 arranged at the bottom, the inserted rod 304 penetrates through the clamping box 301 and the base 111 and the slot 115 formed in the clamping plate 114, the inserted rod 304 is in sliding connection with the penetrating position of the clamping box 301 and the base 111, the rotary roller 109 is in rotary connection with the rotary frame 108 through the rotary rods 110 arranged at the left side and the right side, the mounting frame 104 is fixedly connected with the bottom of the solid collecting box 103 through bolts, the joint position of the mounting frame 104 and the solid collecting box 103 is provided with a waterproof sealing ring, the collecting bin 105 is communicated with the inside of the solid collecting box 103, when the hand valve 101 is in an opening state, sewage enters the main pipeline two 102 through the main pipeline one 1 for discharging, at the moment, the cover plate 113 drives the rotary roller 109 to rotate relative to the rotary frame 108 under the thrust of the sewage, and at the same time, the cover plate 113 can collect solid particles in sewage and discharge the solid particles into the aggregate bin 105, wait for sampling personnel to sample the solid particles in the sewage, and when the cover plate 113 is damaged under the impact of the solid particles for a long time, the service personnel can close the hand valve 101 so as to block the discharge of the sewage, then open the first electric control valve 107 to discharge the sewage in the solid collecting box 103, then loosen the bolts of the fixed mounting frame 104, disassemble the mounting frame 104, then the service personnel simultaneously pull the hand plates 306 to two sides, so that the second pull rod 305 drives the movable plate 303 and the inserting rod 304 to move towards a direction far away from the base 111, thereby enabling the inserting rod 304 to be disconnected with the inserting groove 115, taking the damaged cover plate 113 off the base 111, then replacing the new cover plate 113, after the new cover plate 113 is clamped with the clamping groove 112 through the clamping plate 114, the service personnel unclamp the hand plates 306, push the inserting rod 304 to be spliced with the inserting groove 115 under the action of the reset spring 307, thus completing the assembly, and then reinstalling the mounting frame 104 to the device to work normally.

Wherein, the sampling mechanism 2 comprises a sampling box 201 fixedly connected to the top of the main pipeline II 102, the sampling box 201 penetrates through the bottom of the main pipeline II 102 and is fixedly connected with a sampling tube 202, an electric control valve II 203 is fixedly sleeved outside the sampling tube 202, the bottom end inside the sampling tube 202 is fixedly connected with a filter screen 204, a piston 205 is arranged inside the sampling box 201, the top of the piston 205 is fixedly connected with a pull rod I206, the pull rod I206 penetrates through the top of the sampling box 201 and is fixedly connected with a hand pulling block 207, the front end of the sampling box 201 is fixedly connected with an external threaded interface 208, the outer side of the external threaded interface 208 is sleeved with an internal threaded interface 209, the front end of the internal threaded interface 209 is fixedly connected with a conical tube 210, the front end of the conical tube 210 is fixedly connected with a sampling bottle 211, the front end of the sampling bottle 211 is fixedly connected with a battery cover 215, a battery 216 is fixedly connected inside the battery cover 215, the conical tube 210 is fixedly connected with a fixing rod 212, the front end of the fixed rod 212 is fixedly connected with an electric push rod 213, the output end of the electric push rod 213 is fixedly connected with a conical sealing plug 214, a piston 205 is in sliding connection with the inner wall of the sampling box 201, the penetrating part of the sampling box 201 and the main pipeline II 102 is fixedly connected, the penetrating part of a first pull rod 206 and the sampling box 201 is in sliding connection, an internal threaded interface 209 is in threaded connection with an external threaded interface 208, the size of the conical sealing plug 214 corresponds to the internal size of a conical pipe 210, the electric push rod 213 is electrically connected with a battery 216, when sewage is sampled, an electric control valve II 203 is opened, then the electric push rod 213 is started, the conical sealing plug 214 is pulled to move backwards through the electric push rod 213, so that the internal channel of the conical pipe 210 is opened, then a sampler pulls a hand pull block 207, the hand pull block 207 pulls the first pull rod 206 and the piston 205 to move upwards, thereby generating suction force to suck the sewage into the sampling box 201, can effectually prevent through the filter screen 204 that sets up that solid particles in the sewage from entering into the sampling box 201 inside and causing the jam, after the sewage gets into sampling box 201 inside, when piston 205 removes to external screw thread interface 208 top, at this moment, sewage enters into conical tube 210 through external screw thread interface 208, the inside sample of accomplishing of sample bottle 211 is entered into in the gap between rethread conical tube 210 and the toper sealing plug 214, after the sample is accomplished, promote toper sealing plug 214 through starting electric putter 213 and remove forward, thereby seal conical tube 210 through toper sealing plug 214, then sampling personnel unscrew sample bottle 211, send the detection room to detect, when making this chemical drainage pipeline sewage detection device use, can provide sealing means to the collecting bottle, prevent to send to the in-process external air oxidation of detection, improve the accuracy of sewage testing result.

The specific operation mode of the utility model is as follows:

Firstly, when the hand valve 101 is in an open state, sewage enters the main pipeline I1 into the main pipeline II 102 for discharge, at this moment, the cover plate 113 drives the rotary roller 109 to rotate relative to the rotary frame 108 under the thrust action of the sewage, meanwhile, the cover plate 113 can collect solid particles in the sewage and discharge the solid particles into the collecting bin 105, a sampling person waits for sampling the solid particles in the sewage, when the cover plate 113 is damaged under the impact of the solid particles for a long time, the hand valve 101 can be closed by an maintainer, thereby blocking the discharge of the sewage, then the electric control valve I107 is opened to drain the sewage in the solid collecting box 103, then the bolts of the fixed mounting frame 104 are loosened, the mounting frame 104 is disassembled, then the maintainer simultaneously pulls the hand pull plates 306 towards two sides, so that the pull rods II 305 drive the movable plate 303 and the inserting rods 304 to move towards a direction away from the base 111, so that the inserting rod 304 is disconnected from the slot 115, the damaged cover plate 113 is removed from the base 111, then a new cover plate 113 is replaced, after the new cover plate 113 is clamped with the clamping groove 112 through the clamping plate 114, a serviceman releases the hand pulling plate 306, the inserting rod 304 is pushed to be connected with the slot 115 under the action of the reset spring 307, thus completing assembly, then the mounting frame 104 is reinstalled, the device can continue to work normally, meanwhile, when sewage is sampled, the electric control valve II 203 is opened, then the electric push rod 213 is started, the conical sealing plug 214 is pulled to move backwards through the electric push rod 213, so that the internal channel of the conical tube 210 is opened, then the serviceman pulls the hand pulling block 207, so that the hand pulling block 207 pulls the pull rod I206 and the piston 205 to move upwards, thereby generating suction force, the sewage is sucked into the sampling box 201, can effectually prevent through the filter screen 204 that sets up that solid particles in the sewage from entering into the sampling box 201 inside and causing the jam, after the sewage gets into sampling box 201 inside, when piston 205 removes to external screw thread interface 208 top, at this moment, sewage enters into conical tube 210 through external screw thread interface 208, the inside sample of accomplishing of sample bottle 211 is entered into in the gap between rethread conical tube 210 and the toper sealing plug 214, after the sample is accomplished, promote toper sealing plug 214 through starting electric putter 213 and remove forward, thereby seal conical tube 210 through toper sealing plug 214, then sampling personnel unscrew sample bottle 211, send the detection room to detect, when making this chemical drainage pipeline sewage detection device use, can provide sealing means to the collecting bottle, prevent to send to the in-process external air oxidation of detection, improve the accuracy of sewage testing result.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. A sewage detection device for a chemical drainage pipeline comprises a main pipeline I (1), and is characterized in that the output end of the main pipeline I (1) is fixedly connected with a hand valve I (101), the output end of the hand valve I (101) is fixedly connected with a main pipeline II (102), the top of the main pipeline II (102) is provided with a sampling mechanism (2), the bottom of the main pipeline II (102) is fixedly connected with a solid collecting box (103), the bottom of the solid collecting box (103) is fixedly connected with a mounting frame (104), the bottom of the mounting frame (104) is fixedly connected with a collecting bin (105), the bottom of the collecting bin (105) is fixedly connected with a discharge pipe (106), the outer side of the discharge pipe (106) is fixedly sleeved with an electric control valve I (107), the top of the mounting frame (104) is fixedly connected with a rotating frame (108) on the front side and the rear side of the inside of the solid collecting box (103), a rotating roller (109) is arranged between the tops of the opposite sides of the rotating frame II, the rotating roller (109) is fixedly connected with a rotating rod (110), the outer side of the rotating roller (109) is fixedly connected with a mounting frame (104), the outer side of the rotating roller (109) is fixedly connected with a plurality of rotating bases (111), one side (111) is far away from the rotating roller (109) and is provided with a rotating base (111), one side of the cover plate (113) close to the base (111) is fixedly connected with a clamping plate (114), slots (115) are formed in the left side and the right side of the clamping plate (114), and clamping mechanisms (3) are arranged in the left side and the right side of the base (111).

2. The chemical drainage pipeline sewage detection device according to claim 1, wherein the sampling mechanism (2) comprises a sampling box (201) fixedly connected to the top of the main pipeline II (102), the sampling box (201) penetrates through the bottom of the main pipeline II (102) and is fixedly connected with a sampling pipe (202), an electric control valve II (203) is fixedly sleeved outside the sampling pipe (202), a filter screen (204) is fixedly connected to the bottom end inside the sampling pipe (202), a piston (205) is arranged inside the sampling box (201), a pull rod I (206) is fixedly connected to the top of the piston (205), a hand pulling block (207) is fixedly connected to the top of the pull rod I (206) penetrating through the sampling box (201), an external threaded interface (208) is fixedly connected to the front end of the sampling box (201), an internal threaded interface (209) is fixedly connected to a conical pipe (210) in a sleeved mode, a sampling bottle (211) is fixedly connected to the front end of the conical pipe (210), a battery cap (215) is fixedly connected to the front end of the sampling pipe (211), a battery cap (215) is fixedly connected to the front end of the electric push rod (212), and the output end of the electric push rod (213) is fixedly connected with a conical sealing plug (214).

3. The chemical drainage pipeline sewage detection device according to claim 2, wherein the piston (205) is slidably connected with the inner wall of the sampling box (201), the penetrating part of the sampling box (201) and the main pipeline II (102) is fixedly connected, the penetrating part of the pull rod I (206) and the sampling box (201) is slidably connected, the internal threaded interface (209) is in threaded connection with the external threaded interface (208), the size of the conical sealing plug (214) corresponds to the size of the inner part of the conical pipe (210), and the electric push rod (213) is electrically connected with the battery (216).

4. The chemical drainage pipeline sewage detection device according to claim 1, wherein the clamping mechanism (3) comprises a clamping box (301) fixedly connected to the left side and the right side of the base (111), sliding grooves (302) are formed in the inner walls of the upper side and the lower side of the clamping box (301), movable plates (303) are arranged in the clamping box (301), sliding blocks (308) are fixedly connected to the upper side and the lower side of the movable plates (303), inserting rods (304) are fixedly connected to one side, close to the base (111), of the movable plates (303), a second pull rod (305) is fixedly connected to one side, far away from the base (111), of the movable plates (303), a hand pull plate (306) is fixedly connected to one end, penetrating through the clamping box (301), of the movable plates (303), far away from the base (111), of the two pull rods (305), and reset springs (307) are fixedly connected to the upper side and the lower side of the two pull rods (305).

5. The chemical drainage pipeline sewage detection device according to claim 4, wherein the movable plate (303) is slidably connected with sliding grooves (302) formed in the inner walls of the upper side and the lower side of the clamping box (301) through sliding blocks (308) arranged on the upper side and the lower side, the second pull rod (305) is slidably connected with the penetrating position of the clamping box (301), one end, away from the movable plate (303), of the return spring (307) is fixedly connected with the inner wall of the clamping box (301), a damper is arranged in the return spring (307), the cover plate (113) is slidably connected with clamping grooves (112) formed in the top end face of the base (111) through clamping plates (114) arranged on the bottom, the inserting rods (304) penetrate through the clamping box (301) and the inserting grooves (115) formed in the base (111) and the clamping plates (114), and the inserting rods (304) are slidably connected with the penetrating position of the clamping box (301) and the base (111).

6. The chemical drainage pipeline sewage detection device according to claim 4, wherein the rotary roller (109) is rotatably connected with the rotating frame (108) through rotating rods (110) arranged on the left side and the right side, the mounting frame (104) is fixedly connected with the bottom of the solid collecting box (103) through bolts, a waterproof sealing ring is arranged at the joint of the mounting frame (104) and the solid collecting box (103), and the collecting bin (105) is communicated with the inside of the solid collecting box (103).