CN110776133A

CN110776133A - Automatic sewage treatment device for recycling precipitate in sewage

Info

Publication number: CN110776133A
Application number: CN201911009082.5A
Authority: CN
Inventors: 陈文英
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-02-11
Also published as: CN109516579B; CN110776134A; CN109516579A

Abstract

The invention discloses an automatic sewage treatment device for recovering sediments in sewage, which comprises a sewage pipeline, a solid-liquid separation tank, a heating pipeline, a first connecting pipe, a waste cleaning tank, a water storage tank, a third connecting pipe, a circulating pump, a second connecting pipe, a neutralization tank, a sedimentation tank, a discharge pipeline and a control system, wherein the solid-liquid separation tank, the heating pipeline, the waste cleaning tank, the water storage tank, the circulating pump and the neutralization tank are electrically connected with the control system. The invention can automatically treat the sewage containing heavy metal ions into the sewage almost not containing the heavy metal ions, and simultaneously precipitate the heavy metal ions for recovery, and has simple structure and very environmental protection.

Description

Automatic sewage treatment device for recycling precipitate in sewage

Technical Field

The invention relates to the field of sewage treatment, in particular to an automatic sewage treatment device for recovering sediments in sewage.

Background

Industrial wastewater refers to wastewater generated in an industrial production process, and the industrial wastewater often contains a large amount of heavy metal ions, which pollute the environment and are difficult to degrade under natural conditions. With the rapid development of modern industry, the production amount of industrial sewage containing heavy metal ions is larger and larger, and if the heavy metal ions in the industrial sewage are not removed, the sewage is directly discharged, so that the environment is greatly damaged, and the enrichment of a food chain is possible to finally cause great harm to human bodies. At present, the industrial sewage treatment device on the market is insufficient for removing heavy metal ions contained in sewage.

Disclosure of Invention

The invention aims to provide an automatic sewage treatment device for recovering sediments in sewage, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

an automatic sewage treatment device for recovering sediments in sewage comprises a sewage pipeline, a solid-liquid separation tank, a heating pipeline, a first connecting pipe, a waste cleaning tank, a water storage tank, a third connecting pipe, a circulating pump, a second connecting pipe, a neutralization tank, a sedimentation tank, a discharge pipeline and a control system, wherein the solid-liquid separation tank, the heating pipeline, the waste cleaning tank, the water storage tank, the circulating pump and the neutralization tank are electrically connected with the control system, the solid-liquid separation tank is communicated with the neutralization tank through the heating pipeline, a solid-liquid separation filter screen and a stirring rod are arranged in the solid-liquid separation tank, the vertical cross section of the solid-liquid separation filter screen is in a ladder shape, the ladder surface of the solid-liquid separation filter screen is an inclined surface, the solid-liquid separation tank is communicated with the sewage pipeline, a connecting port of the solid-liquid separation tank and the sewage pipeline is arranged at the upper end of the solid-liquid separation filter screen, the solid-liquid, the stirring rod is arranged at the joint of the first connecting pipe and the solid-liquid separation filter screen; the waste cleaning pool comprises a water inlet pipeline, a waste accumulation pool and a water outlet pipeline, the waste accumulation pool is arranged in the waste cleaning pool, a first cavity is arranged between the wall of the waste accumulation pool and the wall of the waste cleaning pool, pores are arranged on the wall and the bottom surface of the waste accumulation pool, the waste accumulation pool is provided with a high-pressure nozzle, a high-pressure blower, a sliding rod and a turning plate, the height of the turning plate is lower than that of the nozzle and the blower, a first track for the sliding rod to move and a second track for the turning plate to move are arranged on the wall of the waste accumulation pool, the high-pressure nozzle and the high-pressure blower are fixed on the sliding rod, the water outlet pipeline is arranged at the bottom of the waste cleaning pool, an activated carbon bag is arranged in the water outlet pipeline, the water outlet pipeline is connected with a circulating pump, the circulating pump is connected with a water storage, the waste cleaning pond is connected with the neutralization pond through the second connecting pipe, be provided with the agitator in the neutralization pond, PH on-line monitoring appearance and charge device, be provided with the filter cloth in the sedimentation tank, lantern ring and cloth clamp, the filter cloth overlaps on the lantern ring, the cloth clamp presss from both sides the filter cloth on the lantern ring, the pool wall of sedimentation tank is provided with the wall door, the four sides of wall door are provided with the sealing strip, the bottom and the discharge pipe intercommunication of sedimentation tank, discharge pipe includes transfer tube and filter tube, the transfer tube is provided with the flow valve with the filter tube junction, the filter tube is the level setting, be provided with the activated carbon layer in the filter tube.

As preferred scheme, the agitator includes pivot, stirring vane and clean nozzle, and stirring vane, clean nozzle all set up in the pivot, and clean nozzle is higher than stirring vane position in the pivot in the epaxial position of pivot, and the contained angle of clean nozzle and pivot is less than forty-five degrees, and clean nozzle is connected with outside water source.

As the preferred scheme, the cross-section of the filter pipe is in a wave shape, the activated carbon layer is attached to the pipe wall of the filter pipe and can be replaced, and the pipe sleeve is arranged at the pipe orifice of the filter pipe and used for fixing the activated carbon layer.

As preferred scheme, waste cleaning pool and waste accumulation pool are the cylinder shape, and high pressure nozzle sets up in the centre of slide bar, and high pressure nozzle is connected with outside water source, and the high-pressure hair-dryer sets up in the both ends of slide bar.

Preferably, the stirring blade is in a spiral shape, the stirring blade points to the bottom of the neutralization tank, and the included angle between the stirring blade and the rotating shaft is forty-five degrees.

Preferably, the wall of the sedimentation tank is provided with a wall door, and four sides of the wall door are provided with sealing strips.

As the preferred scheme, the waste accumulation tank is provided with a tank cover, and the tank cover is provided with a small hole for the first connecting pipe to pass through.

As the preferred scheme, the pipe sleeve is provided with a buckle, and the filtering pipe and the activated carbon layer are provided with buttonholes matched with the buckle.

Compared with the prior art, the invention has the beneficial effects that: sewage enters into the solid-liquid separation pond from sewage conduit, separates solid and liquid in with sewage through the solid-liquid separation filter screen, and the solid-liquid separation filter screen is the ladder shape, and the trapezoidal face of solid-liquid separation filter screen has increased the time of solid on the solid-liquid separation filter screen on the one hand for the solid falls with subsidiary water droplet sieve as much as possible, on the other hand, need not with the help of any power device alright with solid conveying wastes material accumulation tank through first connecting pipe. The first connecting pipe is connected with the lower end of the solid-liquid separation filter screen, so that solids can be prevented from falling to the bottom of the solid-liquid separation tank, the stirring rod is arranged at the joint of the first connecting pipe and the solid-liquid separation filter screen, and the stirring rod is used for stirring and dredging to prevent the solids from blocking the joint of the first connecting pipe and the solid-liquid separation filter screen. After the solid gets into waste accumulation pond, high pressure nozzle carries out water spray washing to the solid, the solid can not sieve subsidiary moisture completely in solid-liquid separation pond, the solid surface can be attached with heavy metal ion simultaneously, so wash the solid with high pressure nozzle, after washing, high pressure hair-dryer blows the water on solid surface completely, and these water gets into neutralization pond through the second connecting pipe, turn the board and be used for turning the solid when high pressure nozzle washes, make the solid wash cleaner, be provided with the first track that supplies the slide bar to remove and supply to turn the second track that the board removed on the pond wall in waste accumulation pond, make high pressure nozzle, high pressure hair-dryer and the board that turns over translate in the pond, all solids are washed and are brushed. Waste material piles up the pond and is provided with the pond lid, can be regular will pile up the solid clearance in the pond and come out, because the cross-section of the water that the nozzle sprays out is circular, so wash pond and waste material and pile up the pond and set up to cylindrical shape with waste material, after the washing of high pressure nozzle, the heavy metal ion content that the solid is attached to has been very low, but in order to further reduce the heavy metal ion that attaches on the solid, water in the tank gets into first cavity through the pipeline of intaking, because all be provided with the pore on the pool wall and the bottom surface of waste material piles up the pond, so water can get into waste material pile up the pond through the pore, soak the solid, the water that soaks is discharged from outlet conduit, get into the tank through circulating pump and third. The activated carbon bag is arranged in the water outlet pipeline and used for adsorbing heavy metal ions in the soaked water, and the content of the heavy metal ions in the soaked water is very low, so that the activated carbon bag can completely adsorb the heavy metal ions in the clean water.

The water filtered from the solid-liquid separation tank enters a neutralization tank through a heating pipeline, a stirrer, a PH on-line monitor and a dosing device are arranged in the water neutralization tank, the dosing device adds lime and flocculating agent into the neutralization tank, the PH of the water is between 6 and 8, the flocculating agent is used for helping the sedimentation, the stirrer is used for stirring the water for full reaction, the stirring blades are in spiral shapes, the stirring blades point to the bottom of the neutralization pond to prevent the sedimentation from being attached to the stirring blades, the included angle between the stirring blades and the rotating shaft is forty-five degrees, when stirring vane is rotatory, the radius of stirring scope is as big as possible, and the position of cleaning nozzle in the pivot is higher than stirring vane in the pivot position, and the contained angle of cleaning nozzle and pivot is less than forty-five degrees, and cleaning nozzle can directly all wash stirring vane's inboard and outside when wasing stirring vane.

The sediment is in the help of flocculating agent, slowly subsides in the filter cloth of sedimentation tank, and the filter cloth overlaps on the lantern ring, and the cloth presss from both sides the filter cloth on the lantern ring, and the cloth presss from both sides the position that is used for fixed filter cloth, prevents the filter cloth landing, and the pool wall of sedimentation tank is provided with the wall door, opens the wall door and can takes out the filter cloth, retrieves the sediment in the filter cloth, and the four sides of wall door are provided with the sealing strip, prevent to leak.

Remaining water discharges through the discharge tube way, the discharge tube way includes transition pipe and filter tube, the transition pipe is used for trunning into the rivers of horizontal direction with the rivers of vertical direction, be provided with the activated carbon layer in the filter tube, do not deposit in order to prevent some heavy metal ions, the filter tube sets up for the level, because be provided with the activated carbon layer in the filter tube, if vertical the placing with the filter tube, the activated carbon layer drops easily, filter tube mouth of pipe department is provided with the pipe box and is used for fixed activated carbon layer, the transition pipe is provided with the flow valve with the filter tube junction, a flow rate for control rivers pass through the filter tube, make the velocity of flow be unlikely to too fast, can let heavy metal ions all adsorbed by the activated carbon layer. The cross-section of the filter pipe is in a wave shape, and the activated carbon layer is attached to the pipe wall of the filter pipe, so that the contact area of water and the activated carbon layer is increased in a limited range, and heavy metal ions in the water are better adsorbed.

The solid-liquid separation tank, the heating pipeline, the waste cleaning tank, the water storage tank, the circulating pump and the neutralization tank are electrically connected with the control system, so that the sewage containing heavy metal ions can be automatically treated into the sewage almost free of the heavy metal ions, and the heavy metal ions are precipitated for recovery.

Drawings

FIG. 1 is a schematic structural diagram of an automated sewage treatment apparatus for recovering sediments in sewage according to the present invention;

FIG. 2 is a top view of a waste cleaning tank of an automated sewage treatment apparatus for recovering sludge from sewage according to the present invention;

FIG. 3 is a schematic view of the agitator of an automated sewage treatment apparatus for recovering sediments in sewage according to the present invention;

FIG. 4 is a schematic structural diagram of a sedimentation tank in an automated sewage treatment apparatus for recovering sediments in sewage according to the present invention.

In the figure: 1-solid-liquid separation tank, 11-solid-liquid separation filter screen, 12-stirring rod, 13-sewage pipeline, 2-first connecting pipe, 3-waste cleaning tank, 31-waste accumulation tank, 31 a-tank cover, 32-slide rod, 33-turning plate, 34-second connecting pipe, 35-high-pressure blower, 36-high-pressure nozzle, 37-first cavity, 4-circulating pump, 41-water outlet pipeline, 42-third connecting pipe, 5-water storage tank, 51-water inlet pipeline, 6-heating pipeline, 7-neutralization tank, 7 a-stirrer, 7b-PH on-line monitor, 7 c-dosing device, 71-stirring blade, 72-cleaning nozzle, 73-rotating shaft, 8-sedimentation tank, 81-wall door, 82-cloth clamp, 83-lantern ring, 84-filter cloth, 91-conversion pipe, 92-filter pipe, 93-pipe sleeve and 94-flow valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, an automatic sewage treatment apparatus for recovering sediments in sewage includes a sewage conduit 13, a solid-liquid separation tank 1, a heating conduit 6, a first connecting pipe 2, a waste cleaning tank 3, a water storage tank 5, a third connecting pipe 42, a circulating pump 4, a second connecting pipe 34, a neutralization tank 7, a sedimentation tank 8, a discharge conduit and a control system, wherein the solid-liquid separation tank 1, the heating conduit 6, the waste cleaning tank 3, the water storage tank 5, the circulating pump 4, the neutralization tank 7 are electrically connected to the control system, the solid-liquid separation tank 1 is communicated with the neutralization tank 7 through the heating conduit 6, a solid-liquid separation filter screen 11 and a stirring rod 12 are disposed in the solid-liquid separation tank 1, a vertical cross section of the solid-liquid separation filter screen 11 is in a ladder shape, a ladder-shaped surface of the solid-liquid separation filter screen 11 is an inclined surface, the solid-liquid separation tank 1 is communicated with the sewage conduit 13, a connection port, the solid-liquid separation tank 1 is communicated with the waste cleaning tank 3 through a first connecting pipe 2, the first connecting pipe 2 is connected with the lower end of a solid-liquid separation filter screen 11, and a stirring rod 12 is arranged at the connecting part of the first connecting pipe 2 and the solid-liquid separation filter screen 11; the waste cleaning pool 3 comprises a water inlet pipe 51, a waste accumulation pool 31 and a water outlet pipe 41, the waste accumulation pool 31 is arranged in the waste cleaning pool 3, a first cavity 37 is arranged between the wall of the waste accumulation pool 31 and the wall of the waste cleaning pool 3, pores are arranged on the wall and the bottom of the waste accumulation pool 31, the waste accumulation pool 31 is provided with a high-pressure nozzle 36, a high-pressure blower 35, a slide bar 32 and an overturning plate 33, the height of the overturning plate 33 is lower than that of the high-pressure nozzle 36 and the high-pressure blower 35, a first rail for the slide bar 32 to move and a second rail for the overturning plate 33 to move are arranged on the wall of the waste accumulation pool 31, the high-pressure nozzle and the high-pressure blower 35 are fixed on the slide bar 32, the water outlet pipe 41 is arranged at the bottom of the waste cleaning pool 3, an activated carbon bag is arranged in the water outlet pipe 41, the water outlet pipe 41 is connected with a circulating pump 4, the water storage tank 5 is communicated with the first cavity 37 through a water inlet pipe 51, the waste cleaning tank 3 is connected with the neutralizing tank 7 through a second connecting pipe 34, a stirrer 7a is arranged in the neutralizing tank 7, a PH on-line monitor 7b and a dosing device 7c are arranged in the settling tank 8, a filter cloth 84 is arranged in the settling tank 8, a lantern ring 83 and a cloth clamp 82 are arranged in the settling tank 8, the filter cloth 84 is sleeved on the lantern ring 83, the cloth clamp 82 clamps the filter cloth 84 on the lantern ring 83, a wall door 81 is arranged on the tank wall of the settling tank 8, sealing strips are arranged on four sides of the wall door 81, the bottom of the settling tank 8 is communicated with a discharge pipeline, the discharge pipeline comprises a conversion pipe 91 and a filter pipe 92, a flow valve 94 is arranged at the joint of the conversion pipe 91 and the filter pipe 92.

The stirrer 7a comprises a rotating shaft 73, stirring blades 71 and a cleaning nozzle 72, wherein the stirring blades 71 and the cleaning nozzle 72 are both arranged on the rotating shaft 73, the position of the cleaning nozzle 72 on the rotating shaft 73 is higher than the position of the stirring blades 71 on the rotating shaft 73, the included angle between the cleaning nozzle 72 and the rotating shaft 73 is less than forty-five degrees, the cleaning nozzle 72 is connected with an external water source, the stirring blades 71 are spiral, the stirring blades 71 point to the bottom of the neutralization tank 7, and the included angle between the stirring blades 71 and the rotating shaft 73 is forty-five degrees.

The cross section of the filtering pipe 92 is in a wave shape, the activated carbon layer is attached to the pipe wall of the filtering pipe 92 and can be replaced, a pipe sleeve 93 is arranged at the pipe orifice of the filtering pipe 92, and the activated carbon layer is fixed by the pipe sleeve 93.

Waste cleaning tank 3 and waste accumulation tank 31 are the cylinder shape, and waste accumulation tank 31 is provided with waste accumulation tank 31a, and waste accumulation tank 31a is provided with the aperture that supplies first connecting pipe 2 to pass through, and high pressure nozzle 36 sets up in the centre of slide bar 32, and high pressure nozzle 36 is connected with outside water source, and high pressure hair-dryer 35 sets up in the both ends of slide bar 32.

The working principle of the invention is as follows: sewage enters the solid-liquid separation tank 1 from the sewage pipeline 13, and the solid and the liquid in the sewage are separated through the solid-liquid separation filter screen 11, and the solid-liquid separation filter screen 11 is in a ladder shape, and the trapezoidal surface of the solid-liquid separation filter screen 11 is an inclined surface, so that the time of the solid on the solid-liquid separation filter screen 11 is increased, the solid can screen out the attached water drops as much as possible, and on the other hand, the solid can be conveyed to a waste accumulation tank through the first connecting pipe 2 without the help of any power device. The first connecting pipe 2 is connected with the lower end of the solid-liquid separation filter screen 11, so that solids can be prevented from falling to the bottom of the solid-liquid separation tank 1, the stirring rod 12 is arranged at the joint of the first connecting pipe 2 and the solid-liquid separation filter screen 11, and the stirring rod 12 is used for stirring and dredging, so that the joint of the first connecting pipe 2 and the solid-liquid separation filter screen 11 is prevented from being blocked by the solids. After the solid enters the waste accumulation tank, the high-pressure nozzle 36 sprays water to wash the solid, the solid cannot completely screen out attached moisture in the solid-liquid separation tank 1, heavy metal ions are attached to the surface of the solid, so the solid is washed by the high-pressure nozzle 36, after washing, the high-pressure blower 35 blows off water on the surface of the solid, the water enters the neutralization tank 7 through the second connecting pipe 34, the turning plate 33 is used for turning over the solid when the high-pressure nozzle 36 washes the solid, the solid is washed more cleanly, a first rail for the sliding rod 32 to move and a second rail for the turning plate 33 to move are arranged on the wall of the waste accumulation tank, the high-pressure nozzle 36, the high-pressure blower 35 and the turning plate 33 are enabled to move in the tank in a translation mode, and all the solid is washed. The waste accumulation pool is provided with a pool cover 32, the solid in the accumulation pool can be regularly cleaned, the cross section of water sprayed by the spray nozzles is circular, the waste cleaning pool 3 and the waste accumulation pool are set to be in a cylindrical shape, after the waste accumulation pool is washed by the high-pressure spray nozzles 36, the content of heavy metal ions attached to the solid is low, but in order to further reduce the heavy metal ions attached to the solid, the water in the water storage pool 5 enters the first cavity 37 through the water inlet pipeline 51, and because the pool walls and the bottom surface of the waste accumulation pool are both provided with pores, the water can enter the waste accumulation pool through the pores, the solid is soaked, the soaked water is discharged from the water outlet pipeline 41 and enters the water storage pool 5 through the circulating pump 4 and the third connecting pipe 42. An activated carbon bag is arranged in the water outlet pipeline 41 and is used for adsorbing heavy metal ions in the soaked water, and the content of the heavy metal ions in the soaked water is very low, so that the activated carbon bag can completely adsorb the heavy metal ions in the clean water.

Water filtered out from the solid-liquid separation tank 1 enters a neutralization tank 7 through a heating pipeline 6, a stirrer 7a, a PH on-line monitor 7b and a dosing device 7c are arranged in the neutralization tank 7, lime and a flocculating agent are added into the neutralization tank 7 by the dosing device 7c, the PH of the water is 6-8, the flocculating agent is used for helping precipitation to settle, the water is stirred by the stirrer 7a and fully reacts, the stirring blade 71 is spiral, the stirring blade 71 points to the bottom of the neutralization tank 7 to prevent the precipitation from being attached to the stirring blade 71, the included angle between the stirring blade 71 and a rotating shaft 73 is forty-five degrees, when the stirring blade 71 rotates, the radius of the stirring range is as large as possible, the position of the cleaning nozzle 72 on the rotating shaft 73 is higher than that of the stirring blade 71 on the rotating shaft 73, the included angle between the cleaning nozzle 72 and the rotating shaft 73 is smaller than forty-five degrees, when the stirring blade 71 is cleaned by the cleaning nozzle 72, it is possible to directly clean both the inside and the outside of the agitating blade 71.

The sediment is slowly settled in the filter cloth 84 of the sedimentation tank 8 with the help of the flocculating agent, the filter cloth 84 is sleeved on the lantern ring 83, the filter cloth 84 is clamped 82 on the lantern ring 83 by the cloth clamp 82, the cloth clamp 82 is used for fixing the position of the filter cloth 84 to prevent the filter cloth 84 from sliding off, the tank wall of the sedimentation tank 8 is provided with a wall door 81, the filter cloth 84 can be taken out by opening the wall door 81, the sediment in the filter cloth 84 is recovered, and the four sides of the wall door 81 are provided with sealing strips to prevent water leakage.

Remaining water discharges through the discharge tube, the discharge tube includes converting pipe 91 and filter tube 92, converting pipe 91 is used for trunning into the rivers of horizontal direction with the rivers of vertical direction, be provided with the activated carbon layer in the filter tube 92, do not deposit in order to prevent some heavy metal ions, filter tube 92 sets up for the level, because be provided with the activated carbon layer in the filter tube 92, if with filter tube 92 vertical placing, the activated carbon layer drops easily, filter tube 92 mouth of pipe department is provided with pipe box 93 and is used for fixed activated carbon layer, converting pipe 91 is provided with flow valve 94 with filter tube 92 junction, a velocity of flow for control rivers pass through filter tube 92, make the velocity of flow be unlikely to too fast, can let heavy metal ions all adsorbed by the activated carbon layer. The cross-section of the filter tube 92 is in a wave shape, and the activated carbon layer is attached to the tube wall of the filter tube 92, so that the contact area between water and the activated carbon layer is increased in a limited range, and heavy metal ions in the water are better adsorbed.

In the invention, the solid-liquid separation tank 1, the heating pipeline 6, the waste cleaning tank 3, the water storage tank 5, the circulating pump 4 and the neutralization tank 7 are electrically connected with the control system, so that the invention can automatically treat the sewage containing heavy metal ions into the sewage almost free of the heavy metal ions, and simultaneously precipitate the heavy metal ions for recovery, and has simple structure and very environmental protection.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic sewage treatment plant for deposit retrieves in sewage for handle the industrial sewage that contains heavy metal ion, its characterized in that: the automatic sewage treatment device comprises a sewage pipeline (13), a solid-liquid separation tank (1), a heating pipeline (6), a first connecting pipe (2), a waste cleaning tank (3), a water storage tank (5), a third connecting pipe (42), a circulating pump (4), a second connecting pipe (34), a neutralization tank (7), a sedimentation tank (8), a discharge pipeline and a control system, wherein the solid-liquid separation tank (1), the heating pipeline (6), the waste cleaning tank (3), the water storage tank (5), the circulating pump (4) and the neutralization tank (7) are electrically connected with the control system, the solid-liquid separation tank (1) is communicated with the neutralization tank (7) through the heating pipeline (6), a solid-liquid separation filter screen (11) and a stirring rod (12) are arranged in the solid-liquid separation tank (1), the vertical cross section of the solid-liquid separation filter screen (11) is in a ladder shape, and the ladder surface of the solid-liquid separation filter screen (11) is an inclined, the solid-liquid separation tank (1) is communicated with a sewage pipeline (13), a connecting port of the solid-liquid separation tank (1) and the sewage pipeline (13) is arranged at the upper end of a solid-liquid separation filter screen (11), the solid-liquid separation tank (1) is communicated with a waste cleaning tank (3) through a first connecting pipe (2), the first connecting pipe (2) is connected with the lower end of the solid-liquid separation filter screen (11), and a stirring rod (12) is arranged at the connecting position of the first connecting pipe (2) and the solid-liquid separation filter screen (11); the waste cleaning pool (3) comprises a water inlet pipeline (51), a waste accumulation pool (31) and a water outlet pipeline (41), the waste accumulation pool (31) is arranged in the waste cleaning pool (3), a first cavity (37) is arranged between the pool wall of the waste accumulation pool (31) and the pool wall of the waste cleaning pool (3), fine holes are formed in the pool wall and the bottom surface of the waste accumulation pool (31), the waste accumulation pool (31) is provided with a high-pressure nozzle (36), a high-pressure blower (35), a sliding rod (32) and a turning plate (33), the height of the turning plate (33) is lower than that of the position of the nozzle and the blower, a first track for the sliding rod (32) to move and a second track for the turning plate (33) to move are arranged on the pool wall in the waste accumulation pool (31), and the high-pressure nozzle (36) and the high-pressure blower (35) are both fixed on the sliding rod (32), the waste cleaning device is characterized in that the water outlet pipeline (41) is arranged at the bottom of the waste cleaning pool (3), an activated carbon bag is arranged in the water outlet pipeline (41), the water outlet pipeline (41) is connected with the circulating pump (4), the circulating pump (4) is connected with the water storage pool (5) through a third connecting pipe (42), the water storage pool (5) is communicated with the first cavity (37) through a water inlet pipeline (51), the waste cleaning pool (3) is connected with the neutralization pool (7) through a second connecting pipe (34), a stirrer (7 a), a PH on-line monitor (7 b) and a dosing device (7 c) are arranged in the neutralization pool (7), a filter cloth (84), a lantern ring (83) and a cloth clamp (82) are arranged in the sedimentation pool (8), the filter cloth (84) is sleeved on the lantern ring (83), the cloth clamp (82) clamps the filter cloth (84) on the lantern ring (83), and the bottom of the sedimentation pool (8) is communicated with a discharge pipeline, the discharge pipeline comprises a conversion pipe (91) and a filtering pipe (92), a flow valve (94) is arranged at the joint of the conversion pipe (91) and the filtering pipe (92), the filtering pipe (92) is horizontally arranged, and an activated carbon layer is arranged in the filtering pipe (92);

waste cleaning pool (3) and waste accumulation pool (31) are the cylinder shape, waste accumulation pool (31) is provided with pool cover (31 a), be provided with the aperture that supplies first connecting pipe (2) to pass through on pool cover (31 a), high pressure nozzle (36) set up in the centre of slide bar (32), high pressure nozzle (36) are connected with outside water source, high pressure hair-dryer (35) set up in the both ends of slide bar (32).