CN213977007U

CN213977007U - Compound sewage pretreatment systems

Info

Publication number: CN213977007U
Application number: CN202022473078.9U
Authority: CN
Inventors: 高杨; 黄国安; 张闽; 周赟; 杨静仁; 恭娜; 张留新; 杨秀琼
Original assignee: Yunnan Jiaotou Municipal Garden Engineering Co ltd
Current assignee: Yunnan Jiaotou Municipal Garden Engineering Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-17
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a compound sewage pretreatment systems, including conveyer belt and dustcoat, the mounting panel is installed to the conveyer belt bottom surface, and mounting panel top fixed mounting has the dustcoat to the vertical fixed mounting of the inside one end of dustcoat has the division board, exit has all been seted up on dustcoat both ends and division board surface, and dustcoat other end top surface fixed mounting has the second water tank to second water tank one side installs the second water pump, the second water pump is intake and is held through the second pipe and second water tank through-connection that absorbs water, and second water tank below is located the dustcoat in top surface hoist and mount have the second shunt pipe to second shunt pipe surface through-connection has the shower nozzle, the second shunt pipe other end goes out water end through-connection with the second water pump. Has the advantages that: but this device continuity carries out greasy dirt preliminary treatment's buffer memory to the aluminum hull, has improved greasy dirt preliminary treatment and buffer memory efficiency, has improved work efficiency, has saved the trouble of artifical clearance, and it is more convenient to use.

Description

Compound sewage pretreatment systems

Technical Field

The utility model relates to a sewage treatment technical field particularly, relates to a compound sewage pretreatment systems.

Background

In daily life, a lot of sewage and the like are generated, and particularly for production enterprises, a lot of industrial wastewater, especially metal processing and the like, such as power battery processing, is generated in the production process.

Traditional power battery adopts the aluminum hull as the outer protective housing, traditional aluminum hull is made through stamping equipment, can remain greasy dirt such as hydraulic oil, need get rid of when power battery assembles, traditional clearance mode is artifical clearance, this kind of clearance is comparatively extravagant artifical, cleaning efficiency is slower, the later stage still need carry out artifical the transportation and dry simultaneously, influence work efficiency, and, these greasy dirt thing are handled, along with its transport or use, can produce the pollution in the environment, in addition, do not have unified processing by oneself, liquid after these processings does not carry out unified processing and can produce serious pollution at will, this not only delays production, the polluted environment still.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a compound sewage pretreatment systems solves in the production process greasy dirt etc. and does not handle meeting polluted environment, moreover, the problem that traditional battery production work efficiency is low.

For realizing that work efficiency is high, reduce artifical input, convenient to use's advantage to reduce pollution, the utility model discloses a concrete technical scheme as follows:

a composite sewage pretreatment system comprises a conveyor belt and an outer cover, wherein a mounting plate is mounted on the bottom surface of the conveyor belt, the outer cover is fixedly mounted above the mounting plate, a partition plate is fixedly mounted at one vertical end inside the outer cover, an inlet and an outlet are formed in the two ends of the outer cover and the surface of the partition plate, a second water tank is fixedly mounted on the top surface of the other end of the outer cover, a second water pump is mounted on one side of the second water tank, the water inlet end of the second water pump is communicated with the second water tank through a second water suction pipe, a second shunt pipe is hung on the inner top surface of the outer cover below the second water tank, a spray head is connected on the surface of the second shunt pipe in a penetrating manner, the other end of the second shunt pipe is communicated with the water outlet end of the second water pump, a driving motor is fixedly mounted on the top surface of the outer cover on one side of the second water tank, the output end of the driving motor is connected with a main shaft, and the main shaft penetrates through the outer cover and extends into the outer cover, the main shaft is positioned at two sides of the conveyor belt, the outer surface of the main shaft is fixedly sleeved with a sleeve, the outer surface of the sleeve is fixedly connected with a cleaning cloth, a first water tank is fixedly arranged on the other side of the driving motor, which is positioned on the top surface of the outer cover, a first water pump is fixedly arranged on one side of the first water tank, the water inlet end of the first water pump is communicated and connected with the first water tank through a first water suction pipe, a first shunt pipe is arranged below the first water tank and positioned on the inner top surface of the outer cover, the surface of the first shunt pipe is communicated and connected with a water outlet pipe, the other end of the first shunt pipe is communicated with the water outlet end of the first water pump through a second telescopic pipe, the surface of the first shunt pipe is sleeved with a fixed ring, the fixed ring is connected with the inner top surface of the outer cover through a second cylinder, the surface of the conveyor belt is fixedly provided with a clamping seat, the clamping seat is made of rubber materials, and the inner size of the clamping seat is slightly smaller than the size of the bottom surface of the aluminum shell; the water outlet pipe and the spray head are arranged below the conveyor belt, the length of the water tank is larger than the farthest distance between the first water tank and the second water tank, three water outlets are formed in one side of the water tank and are respectively located at the tank bottom, the middle of the tank and the upper of the tank, a water pipe of the tank bottom and a water pipe of the upper of the tank are connected to a unified sewage treatment system, the water pipe of the tank bottom is connected to the first water tank and the second water tank, a water pump is arranged on the water pipe of the tank, and electromagnetic valves are arranged on pipelines at the tank bottom and the upper of the tank.

Further, the second water tank opposite side is located dustcoat top surface fixed mounting and has the air pump, and the air pump below is located the dustcoat internal top surface and is provided with the gas-supply pipe to gas-supply pipe surface through connection has the outlet duct, the gas-supply pipe other end is given vent to anger through first flexible pipe and air pump and holds through connection, and fixed cover of gas-supply pipe surface has connect solid fixed ring to be connected with first cylinder between the top surface in fixed ring top surface and the dustcoat, the air pump opposite side is located the positive facade of dustcoat outer wall and back of the body facade embedding has the fan, and fan one side is located the inside fixed mounting of dustcoat and has the heating wire.

Furthermore, the shower nozzle goes out the vertical downwards of water direction, and the shower nozzle evenly is provided with a plurality ofly.

Furthermore, the direction of air outlet of the air outlet pipe is vertical and downward, and the air outlet pipes are provided with a plurality of air outlet pipes.

Furthermore, the water outlet direction of the water outlet pipe is vertical downward, and the water outlet pipes are provided with a plurality of water outlet pipes.

Further, exit both sides are through fixed strip fixedly connected with door curtain, and the door curtain is made by the PVC material.

Furthermore, an oil baffle plate is arranged at the water outlet pipe opening at the upper part of the groove.

Furthermore, a controller is embedded into the upright surface at one end of the outer cover, and the output end of the controller is electrically connected with the conveyor belt, the first water pump, the driving motor and the input end of the second water pump.

Compared with the prior art, the utility model provides a compound sewage pretreatment systems possesses following beneficial effect:

(1) the utility model adopts the conveyor belt, the clamping seat, the first water tank, the second water tank, the driving motor, the cleaning cloth and the division plate, in the process of aluminum shell caching and oil stain pretreatment, the aluminum shell is inserted into the clamping seat at one end of the conveyor belt, the clamping seat is made of rubber materials, the bottom surface of the aluminum shell is clamped, the aluminum shell is prevented from falling off in the conveying process, when passing through the lower part of the second water tank, the second water pump extracts water in the second water tank, the water is sprayed out through the spray head to moisten the outer surface of the aluminum shell, along with the conveying, the driving motor drives the main shaft to rotate, the main shaft drives the sleeve to rotate, the sleeve drives the cleaning cloth to rotate, the outer surface of the aluminum shell is scrubbed and cleaned, oil stain on the outer wall of the aluminum shell is cleaned, along with the continuous conveying, the first water pump extracts cleaning liquid in the first water tank, the cleaning liquid is sprayed out through the water outlet pipe, the outer wall inside of the aluminum shell is sprayed, the inside and the outer wall of the aluminum shell are cleaned, thereby accomplish the preliminary treatment of aluminum hull, handle the completion back, finally, the aluminum hull is conveyed and is parked between division board and the dustcoat inner wall and carry out short-term buffer memory to accomplish buffer memory and the greasy dirt preliminary treatment to the aluminum hull, but this device continuity carries out the buffer memory of greasy dirt preliminary treatment to the aluminum hull, has improved the greasy dirt preliminary treatment and the buffer efficiency of aluminum hull, has improved work efficiency, has saved the trouble of artifical clearance, and it is more convenient to use.

(2) The utility model discloses an air pump, fan and heating wire, after the aluminum hull washs and finishes, the aluminum hull is conveyed to the air pump below by the conveyer belt, the air pump produces highly-compressed air, spout through the outlet duct, blow off remaining water in the aluminum hull, avoid the unable short time in later stage to dry, thereby drying efficiency is improved, the aluminum hull conveys to the back between the heating wire, fan and heating wire start produce hot-blastly, weather the aluminum hull fast, be convenient for directly take, the trouble of later stage stoving has been saved, convenience and greasy dirt preliminary treatment efficiency have been improved.

(3) A water tank is arranged below the conveyor belt 2 below the water outlet pipe and the spray head, three water outlets are arranged at one side of the water tank and are respectively positioned at the bottom and the middle of the water tank, and the water pipe at the bottom can discharge the sediments at the bottom to the sewage treatment system for treatment when discharging water, and the water outlet pipe at the top can discharge harmful stains such as oil stains floating on the water surface to the sewage treatment system for uniform treatment, the water pipe in the middle part can lead the relatively clean water in the middle part to flow back to the water tank for reuse, thus not only pre-treating the sewage with oil stains, and moreover, water can be continuously recycled, waste is avoided, polluted water is uniformly discharged to a uniform sewage treatment system for uniform decontamination treatment, and then is returned to the water tank for utilization, so that water resources are greatly saved, and pollution is prevented.

(4) This device carries out organic complex through the preliminary treatment three with the water of aluminum hull buffer memory and greasy dirt preliminary treatment and area greasy dirt, has solved in the production process greasy dirt etc. and has not handled meeting polluted environment, moreover, the problem that traditional battery production work efficiency is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a composite sewage pretreatment system provided by the present invention;

fig. 2 is a front view of a composite sewage pretreatment system according to the present invention;

fig. 3 is a schematic view of the installation of the door curtain of the present invention.

In the figure:

1. a housing; 2. a conveyor belt; 3. a partition plate; 4. an electric heating wire; 5. a fan; 6. a first telescopic tube; 7. an air pump; 8. a gas delivery pipe; 9. a first cylinder; 10. an air outlet pipe; 11. a first water pump; 12. a first water suction pipe; 13. a first water tank; 14. a second cylinder; 15. a first shunt pipe; 16. a water outlet pipe; 17. a drive motor; 18. a main shaft; 19. a sleeve; 20. a cleaning cloth; 21. a second water pump; 22. a second suction pipe; 23. a second water tank; 24. a second shunt pipe; 25. a spray head; 26. a water tank; 27. mounting a plate; 28. a clamping seat; 29. a door curtain; 30. an inlet and an outlet; 31. a second telescopic tube; 32. a controller; 33. and (4) fixing the strip.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a compound sewage pretreatment systems.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a composite sewage pretreatment system according to an embodiment of the present invention comprises a conveyor belt 2 and a housing 1, wherein a mounting plate 27 is installed on the bottom surface of the conveyor belt 2, the housing 1 is fixedly installed above the mounting plate 27, a partition plate 3 is fixedly installed vertically at one end inside the housing 1, an inlet and outlet 30 is opened at both ends of the housing 1 and on the surface of the partition plate 3 for the aluminum shell to enter and exit, a second water tank 23 is fixedly installed on the top surface of the other end of the housing 1, cleaning water is contained in the second water tank 23, a second water pump 21 is installed at one side of the second water tank 23, the water inlet end of the second water pump 21 is connected to the second water tank 23 through a second water suction pipe 22, a second shunt pipe 24 is hung on the top surface of the housing 1 below the second water tank 23, and a spray head 25 is connected to the surface of the second shunt pipe 24, the other end of the second shunt pipe 24 is communicated with the water outlet end of the second water pump 21, one side of the second water tank 23 is positioned on the top surface of the outer cover 1 and fixedly provided with the driving motor 17, the output end of the driving motor 17 is connected with the main shaft 18, the main shaft 18 penetrates through the outer cover 1 and extends into the outer cover 1, the main shaft 18 is positioned on two sides of the conveyor belt 2, the outer surface of the main shaft 18 is fixedly sleeved with the sleeve 19, the outer surface of the sleeve 19 is fixedly connected with the cleaning cloth 20, the other end of the cleaning cloth 20 is of a suspension structure and is thrown on the surface of the aluminum shell through rotation to clean the aluminum shell, the other side of the driving motor 17 is positioned on the top surface of the outer cover 1 and fixedly provided with the first water tank 13, the inner part of the first water tank 13 is filled with cleaning liquid, one side of the first water tank 13 is fixedly provided with the first water pump 11, the water inlet end of the first water pump 11 is communicated with the first water tank 13 through the first water suction pipe 12, the first shunt pipe 15 is positioned on the inner top surface of the outer cover 1 below the first water tank 13, the surface of the first shunt tube 15 is connected with a water outlet tube 16 in a penetrating way, the other end of the first shunt tube 15 is connected with the water outlet end of the first water pump 11 in a penetrating way through a second extension tube 31, the surface of the first shunt tube 15 is sleeved with a fixing ring, the fixing ring is connected with the inner top surface of the outer cover 1 through a second air cylinder 14, two ends of the second air cylinder 14 are respectively fixedly connected with the outer cover 1 and the fixing ring, the second air cylinder 14 extends to drive the water outlet tube 16 to descend so as to reduce the height between the water outlet tube and the aluminum shell, and water flushing is facilitated, the surface of the conveyor belt 2 is fixedly provided with a clamping seat 28, the clamping seat 28 is made of rubber materials, the inner size of the clamping seat 28 is slightly smaller than that of the bottom surface of the aluminum shell, after the bottom surface of the aluminum shell is clamped into the clamping seat 28, the aluminum shell is fixed, in the processes of aluminum shell caching and oil stain pretreatment, the aluminum shell is inserted into the clamping seat 28 at one end of the conveyor belt 2, and the clamping seat 28 is made of rubber materials, the bottom surface of the aluminum shell is clamped to prevent the aluminum shell from falling in the conveying process, when the aluminum shell passes through the lower part of the second water tank 23, the second water pump 21 extracts water in the second water tank 23, the water is sprayed out through the spray nozzle 25 to moisten the outer surface of the aluminum shell, the driving motor 17 drives the spindle 18 to rotate along with the conveying, the spindle 18 drives the sleeve 19 to rotate, the sleeve 19 drives the cleaning cloth 20 to rotate, the outer surface of the aluminum shell is scrubbed and cleaned, oil stains on the outer wall of the aluminum shell are cleaned, the first water pump 11 extracts cleaning liquid in the first water tank 13 along with the continuous conveying, the cleaning liquid is sprayed out through the water outlet pipe 16 to the outer wall in the aluminum shell to clean the inner part and the outer wall of the aluminum shell, the pretreatment of the aluminum shell is finished, after the pretreatment of the aluminum shell is finished, finally, the aluminum shell is conveyed to a position between the partition plate 3 and the inner wall of the outer cover 1 to be stored for a short time, so that the buffer storage and the oil stains pretreatment of the aluminum shell are finished, the oil stain pretreatment and buffer efficiency of the aluminum shell are improved, the working efficiency is improved, the trouble of manual cleaning is saved, and the use is more convenient.

After the oil stain pretreatment of the aluminum shell is completed, the water with stains is collected in the water tank, the water at the moment is polluted and can not be directly discharged, but the whole water is discharged to a sewage treatment system too wastefully, therefore, a water tank 26 is arranged below the conveyor belt 2 below the water outlet pipe 16 and the spray head 25, the length of the water tank 26 is greater than the farthest distance between the first water tank 13 and the second water tank 23 and is used for receiving the dropped water, the waste water is convenient to collect, after the waste water is collected, three water outlets are arranged on one side of the water tank and are respectively positioned at the tank bottom of the water tank, the tank middle part and the tank upper part, wherein the water pipe at the tank bottom and the water pipe at the tank upper part are connected to the unified sewage treatment system, the water pipe in the tank is connected to the first water tank and the second water tank, a water pump is arranged on the water pipe in the tank, and electromagnetic valves are arranged on the pipelines at the tank bottom and the tank upper part. In this setting, the bottom water pipe can discharge the deposit of bottom to sewage treatment system together when discharging water and handle, and is same, the outlet pipe at top can discharge harmful stains such as greasy dirt that float on the surface of water such as greasy dirt together and sewage treatment system carries out unified processing, and the water pipe at middle part can utilize the relatively cleaner water in middle part from new backward flow to the water tank once more, and like this, not only carry out the preliminary treatment to the sewage that has the greasy dirt, and, the water of can also continuous cyclic utilization, avoid extravagant, and polluted water then unified discharge to unified sewage treatment system carries out unified decontamination treatment, then utilize at the backward flow water tank, very big saving the water resource has prevented again the pollution.

In one embodiment, the other side of the second water tank 23 is located on the top surface of the outer cover 1 and fixedly provided with an air pump 7, the air pump 7 is located below the air pump 7 and is provided with an air pipe 8 on the inner top surface of the outer cover 1, the surface of the air pipe 8 is connected with an air outlet pipe 10 in a penetrating manner, the other end of the air pipe 8 is connected with the air outlet end of the air pump 7 in a penetrating manner through a first telescopic pipe 6, the outer surface of the air pipe 8 is fixedly sleeved with a fixing ring, a first air cylinder 9 is connected between the top surface of the fixing ring and the inner top surface of the outer cover 1, the first air cylinder 9 extends to push the air outlet pipe 10 to move downwards, the distance between the air outlet pipe and the aluminum shell is reduced, so as to improve the air flow action efficiency, the fan 5 is embedded in the front vertical surface and the back vertical surface of the outer wall of the outer cover 1 on the other side of the air pump 7, and the electric heating wire 4 is fixedly installed in the outer cover 1 on one side of the fan 5, which is a common drying structure, which is not described herein too much, after the aluminum shell is cleaned, the aluminum hull is conveyed to air pump 7 below by conveyer belt 2, air pump 7 produces highly-compressed air, spout through outlet duct 10, blow off remaining water in the aluminum hull, avoid the unable short time in later stage to dry, thereby improved drying efficiency, the aluminum hull conveys back between the heating wire 4, fan 5 and heating wire 4 start and produce hot-blastly, weather the aluminum hull fast, be convenient for directly take, the trouble of later stage stoving has been saved, convenience and greasy dirt preliminary treatment efficiency have been improved.

In one embodiment, the water outlet direction of the spray heads 25 is vertically downward, and a plurality of spray heads 25 are uniformly arranged, so that the cleaning water for wetting can be uniformly sprayed.

In one embodiment, the air outlet direction of the air outlet pipe 10 is vertically downward, and a plurality of air outlet pipes 10 are provided, so that the air flow is directly blown downward.

In one embodiment, the water outlet pipe 16 is arranged vertically downward, and the water outlet pipe 16 is provided with a plurality of pipes for spraying the cleaning liquid downward.

In one embodiment, the curtain 29 is fixedly connected to both sides of the inlet/outlet 30 through fixing strips 33, the curtain 29 is made of PVC, and the fixing strips 33 are fixedly connected to the housing 1 and the partition plate 3 through mounting bolts, so as to prevent water from splashing out of the housing 1.

In one embodiment, in order to better guide oil stains and the like floating on the water surface into a unified sewage treatment system for treatment, an oil baffle plate is arranged at a water outlet pipe opening at the upper part of the groove, the oil baffle plate is a metal plate vertical to the water surface, the oil stains accumulated on the water surface are collected at the oil baffle plate along with the movement of water flow, and then the floating objects are drained along with the water discharge of a water pipe. In one embodiment, the controller 32 is embedded in the vertical surface of one end of the housing 1, the output end of the controller 32 is electrically connected to the input ends of the conveyor belt 2, the first water pump 11, the driving motor 17 and the second water pump 21, and the output end of the controller 32 is also electrically connected to the input ends of the air pump 7, the fan 5, the heating wire 4 and the electromagnetic valve, so as to facilitate the operation of a worker.

The working principle is as follows:

during the process of caching and preprocessing the aluminum shell and oil stains, the aluminum shell is inserted into the clamping seat 28 at one end of the conveyor belt 2, the clamping seat 28 is made of rubber materials and clamps the bottom surface of the aluminum shell to prevent the aluminum shell from falling off during the conveying process, when the aluminum shell passes below the second water tank 23, the second water pump 21 pumps water in the second water tank 23 and sprays the water through the spray head 25 to wet the outer surface of the aluminum shell, the driving motor 17 drives the spindle 18 to rotate along with the conveying process, the spindle 18 drives the sleeve 19 to rotate, the sleeve 19 drives the cleaning cloth 20 to rotate, the outer surface of the aluminum shell is cleaned by brushing and brushing, the oil stains on the outer wall of the aluminum shell are cleaned, along with the continuous conveying process, the first water pump 11 pumps cleaning liquid in the first water tank 13 and sprays the cleaning liquid through the water outlet pipe 16 to the outer wall inside the aluminum shell to clean the inside and the outer wall of the aluminum shell, so that the preprocessing of the aluminum shell is completed, and finally, the aluminum shell is conveyed to a position between the partition plate 3 and the inner wall of the outer cover 1 to be parked for short-term buffer storage, so that buffer storage and oil stain pretreatment of the aluminum shell are completed, the device can continuously buffer oil stain pretreatment of the aluminum shell, improves oil stain pretreatment and buffer storage efficiency of the aluminum shell, improves working efficiency, saves trouble of manual cleaning, is more convenient to use, meanwhile, after the aluminum shell is cleaned, the aluminum shell is conveyed to the position below the air pump 7 by the conveyor belt 2, the air pump 7 generates high-pressure air and is sprayed out through the air outlet pipe 10 to blow out residual water in the aluminum shell, avoids the problem that the aluminum shell cannot be dried in a short time in the later period, improves drying efficiency, after the aluminum shell is conveyed to the position between the heating wires 4, the fan 5 and the heating wires 4 are started to generate hot air, the aluminum shell is dried quickly, and is convenient to take directly, trouble of later-period drying is saved, convenience and oil stain pretreatment efficiency are improved, simultaneously, the sewage after the treatment is collected with unifying, let the back discharge and cyclic utilization respectively through three water pipe machine, not only to the preliminary treatment of sewage but also intensive water resource, avoid extravagant.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compound sewage pretreatment system, which is characterized in that, includes conveyer belt (2) and dustcoat (1), mounting panel (27) is installed to conveyer belt (2) bottom surface, and mounting panel (27) top fixed mounting has dustcoat (1), and the vertical fixed mounting in one end of dustcoat (1) inside has division board (3), exit (30) have all been seted up on dustcoat (1) both ends and division board (3) surface, and dustcoat (1) other end top surface fixed mounting has second water tank (23), and second water pump (21) is installed to second water tank (23) one side, second water pump (21) water inlet end is through second suction pipe (22) and second water tank (23) through-connection, and second water tank (23) below in dustcoat (1) top surface hoist and mount have second shunt tubes (24), and second shunt tubes (24) surface through-connection has shower nozzle (25), the other end of the second shunt pipe (24) is in through connection with the water outlet end of the second water pump (21), one side of the second water tank (23) is positioned on the top surface of the outer cover (1) and is fixedly provided with a driving motor (17), the output end of the driving motor (17) is connected with a main shaft (18), the main shaft (18) penetrates through the outer cover (1) and extends into the outer cover (1), the main shaft (18) is positioned on two sides of the conveyor belt (2), a sleeve (19) is fixedly sleeved on the outer surface of the main shaft (18), a cleaning cloth (20) is fixedly connected on the outer surface of the sleeve (19), the other side of the driving motor (17) is positioned on the top surface of the outer cover (1) and is fixedly provided with a first water tank (13), a first water pump (11) is fixedly arranged on one side of the first water tank (13), and the water inlet end of the first water pump (11) is in through connection with the first water tank (13) through the first water suction pipe (12), a first shunt pipe (15) is arranged below the first water tank (13) and positioned on the inner top surface of the outer cover (1), a water outlet pipe (16) is connected to the surface of the first shunt pipe (15) in a penetrating manner, the other end of the first shunt pipe (15) is connected with the water outlet end of the first water pump (11) in a penetrating manner through a second telescopic pipe (31), a fixing ring is sleeved on the surface of the first shunt pipe (15), the fixing ring is connected with the inner top surface of the outer cover (1) through a second air cylinder (14), a clamping seat (28) is fixedly arranged on the surface of the conveyor belt (2), the clamping seat (28) is made of a rubber material, and the inner size of the clamping seat (28) is slightly smaller than the size of the bottom surface of the aluminum shell; a water tank (26) is arranged below the conveyor belt (2) below the water outlet pipe (16) and the spray head (25), the length of the water tank (26) is larger than the farthest distance between the first water tank (13) and the second water tank (23), three water outlets are arranged on one side of the water tank (26), the water tank bottom, the middle part of the water tank and the upper part of the water tank are respectively arranged at the bottom of the water tank (26), the middle part of the water tank and the upper part of the water tank, a water pipe at the bottom of the water tank and a water pipe at the upper part of the water tank are connected to a unified sewage treatment system, the water pipe in the water tank is connected to the first water tank (13) and the second water tank (23), a water pump is arranged on the water pipe in the water tank, and electromagnetic valves are arranged on pipelines at the bottom of the water tank and the upper part of the water tank.

2. The composite sewage pretreatment system of claim 1, an air pump (7) is fixedly arranged on the other side of the second water tank (23) and positioned on the top surface of the outer cover (1), and a gas pipe (8) is arranged below the air pump (7) and on the inner top surface of the outer cover (1), an air outlet pipe (10) is connected on the surface of the air pipe (8) in a run-through way, the other end of the air pipe (8) is connected with the air outlet end of the air pump (7) in a run-through way through a first telescopic pipe (6), a fixed ring is fixedly sleeved on the outer surface of the air pipe (8), a first cylinder (9) is connected between the top surface of the fixed ring and the inner top surface of the outer cover (1), the other side of the air pump (7) is positioned on the front vertical surface and the back vertical surface of the outer wall of the outer cover (1) and is embedded with a fan (5), and one side of the fan (5) is positioned in the outer cover (1) and is fixedly provided with an electric heating wire (4).

3. A composite sewage pretreatment system according to claim 1, wherein the outlet direction of the spray heads (25) is vertically downward, and a plurality of spray heads (25) are uniformly arranged.

4. A composite sewage pretreatment system according to claim 2, wherein the outlet direction of the outlet pipe (10) is vertically downward, and a plurality of outlet pipes (10) are provided.

5. A composite sewage pretreatment system according to claim 1, wherein the outlet pipe (16) is arranged in a plurality of outlet pipes (16) with the outlet direction being vertically downward.

6. A composite sewage pretreatment system according to claim 1, wherein a curtain (29) is fixedly connected to both sides of the inlet/outlet (30) through fixing strips (33), and the curtain (29) is made of PVC.

7. A composite sewage pretreatment system according to claim 1, wherein an oil baffle is provided at the water outlet port at the upper portion of the tank.

8. The composite sewage pretreatment system according to claim 1, wherein a controller (32) is embedded in a vertical surface of one end of the housing (1), and an output end of the controller (32) is electrically connected with input ends of the conveyor belt (2), the first water pump (11), the driving motor (17) and the second water pump (21).