CN210656591U

CN210656591U - Combined laboratory sewage comprehensive treatment equipment

Info

Publication number: CN210656591U
Application number: CN201921427533.2U
Authority: CN
Inventors: 陈晓伟
Original assignee: Shandong Aokunlai Intelligent Technology Co ltd
Current assignee: Shandong Aokunlai Intelligent Technology Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-02
Anticipated expiration: 2029-08-30

Abstract

A combined laboratory sewage comprehensive treatment equipment includes a sewage conditioning box, an acid-base neutralization box, a sedimentation box, a disinfection box, a biochemical reaction box and a filtration box. Aeration pipe, a fan is arranged on the outside of the sewage conditioning box; a dosing device and a motor are arranged on the outside of the acid-base neutralization box. There is an adsorption filter screen; a pipeline mixer, a diversion cylinder connected with the pipeline mixer and a baffle plate located under the diversion cylinder are arranged inside the sedimentation box, and a flocculant injection device connected to the pipeline mixer and A coagulant injection device; a catalytic strip and a disinfection lamp are arranged in the disinfection box; a high-pressure fan is arranged on the top of the outer side of the biochemical reaction box, and a suspended filler is installed inside the biochemical reaction box; an air compressor is arranged outside the filter box to filter An ultrafiltration membrane is set inside the box.

Description

Combined laboratory sewage comprehensive treatment equipment

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a modular laboratory sewage integrated processing equipment.

Background

At present, a large amount of sewage can be produced in the daily experimental process of laboratory often, and if these sewage if untreated and direct discharge can the polluted environment, because this kind of dirty sewage discharge unit, it is little that the area of generally placing sewage treatment device, sewage treatment can the poor.

Disclosure of Invention

The utility model aims to provide a combined laboratory sewage comprehensive treatment device for solving the problems.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a combined laboratory sewage comprehensive treatment device comprises a sewage adjusting box body, an acid-base neutralization box body, a sedimentation box body, a disinfection box body, a biochemical reaction box body and a filtering box body, wherein a perforated pre-aeration pipe is arranged in the sewage adjusting box body, and a fan is arranged outside the sewage adjusting box body; a chemical adding device and a motor are arranged on the outer side of the acid-base neutralization box body, the motor is connected with a frame-shaped structure stirring blade extending into the acid-base neutralization box body, and an adsorption filter screen is arranged on the inner side of the stirring blade; the inside of the sedimentation box body is provided with a pipeline mixer, a guide cylinder connected with the pipeline mixer and a flow baffle plate positioned below the guide cylinder, and the sedimentation box body is provided with a flocculating agent injection device and a coagulant aid injection device connected with the pipeline mixer; a catalytic strip and a disinfection lamp are arranged in the disinfection box body; the top of the outer side of the biochemical reaction box body is provided with a high-pressure fan, and the biochemical reaction box body is internally provided with a suspended filler; an air compressor is arranged on the outer side of the filtering box body, and an ultrafiltration membrane is arranged in the filtering box body.

The utility model discloses compare with current sewage treatment device, use combination formula laboratory sewage integrated processing equipment to handle sewage, each component equipment is small in quantity, area is little, the energy consumption is low, consequently the beneficial effects of the utility model are that: (1) the process is simple and convenient, and the purification effect is good; (2) the construction cost is low, and the operation cost is low; (3) and the management is convenient.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a combined laboratory sewage treatment plant according to a preferred embodiment of the present invention;

FIG. 2 is a block diagram showing the connection of some components of the integrated laboratory sewage treatment apparatus of FIG. 1;

in the figure: 1. a sewage adjusting box body; 2. acid-base neutralization box body; 3. a settling tank body; 4. sterilizing the box body; 5. a biochemical reaction box body; 6. a filter box body; 7. a liquid inlet pipeline; 70. a grid; 8. 13, 21, 250, 28, 38, 39, 49, 53, 56, electrically operated valve; 9. perforating a preaeration pipe; 90. an aeration fan; 10. a liquid level monitor; 11. a water spraying device; 12. a water inlet pipe; 14. a water spray dispersion disc; 15. a nozzle; 16. a motor; 17. a rotating shaft; 18. stirring blades; 19. adsorbing a filter screen; 20. a drain pipe; 22. a temperature sensor; 23. an electric heating layer; 24. a pH meter; 25. a liquid inlet pipe of the acid-base neutralization tank body; 26. a dosing device; 27. a medicine feeding pipe; 29. a water pump; 30. the liquid outlet pipe of the box body is neutralized by acid and alkali; 31. a pipeline mixer; 32. a pipe mixer outlet pipe; 33. a draft tube; 34. a flocculant injection device; 35. a coagulant aid injection device; 36. a flocculant inlet pipe; 37. a coagulant aid inlet pipe; 40. a flow baffle plate; 41. a liquid pump; 42. a liquid outlet pipe of the settling tank body; 43. a filter screen; 44. a liquid discharge pipe; 45. a self-priming pump; 46. a catalytic strip; 47. a sterilizing lamp; 48. a liquid outlet pipeline; 50. a liquid outlet pipeline; 51. a high pressure fan; 52. a drain pipe; 54. a liquid level monitor; 55. a pulley; 57. a filter screen; 58. an air compressor; 59. and (3) an ultrafiltration membrane.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1 and 2, the combined laboratory sewage comprehensive treatment device of a preferred embodiment of the present invention sequentially comprises a sewage adjusting box 1, an acid-base neutralizing box 2, a settling box 3, a sterilizing box 4, a biochemical reaction box 5 and a filtering box 6, which are communicated with each other, according to the flow direction of sewage. The sewage adjusting box body 1, the acid-base neutralizing box body 2, the settling box body 3, the sterilizing box body 4, the biochemical reaction box body 5 and the filtering box body 6 are combined into a whole. The bottom of the sewage adjusting box body 1 and the bottom of the biochemical reaction box body 5 are provided with pulleys 6 which are convenient to move.

The outside of 1 top of sewage regulation box is equipped with feed liquor pipeline 7, and feed liquor pipeline 7 runs through 1 top of sewage regulation box and extends to inside 1 of sewage regulation box, and external sewage gets into sewage regulation box 1 through this feed liquor pipeline 7. An electric valve 8 is connected on the liquid inlet pipeline 7, and the opening and closing of the electric valve 8 and the flow rate of water are controlled by a PLC. The liquid inlet pipeline 7 is internally provided with a grating 70, sewage firstly passes through the grating 70 in the liquid inlet pipeline 7, floating objects and winding objects in the sewage are removed, and then the sewage enters the sewage adjusting box body 1 for adjusting the water quantity and homogenizing the water quality.

The inside bottom of sewage regulation box 1 is equipped with perforation aeration pipe 9 in advance, sets up fan 90 on the sewage regulation box 1 lateral wall, and aeration fan 90 passes through the connecting pipe and is connected with perforation aeration pipe 9 in advance. Aeration fan 90 aeration is controlled by PLC, adopts the interval aeration, stirs under water, does the air oxidation to sewage and handles, can prevent that the suspended solid from deposiing in sewage adjusting box 1 on the one hand, and certain sulfur dioxide can be got rid of on the other hand, reduces the quantity of neutralization reagent, is favorable to the oxidation separation of harmful substance.

The bottom of the side wall of the sewage adjusting box body 1 is communicated with the acid-base neutralizing box body 2 through an acid-base neutralizing box body liquid inlet pipe 25. An electric valve 250 is connected to the liquid inlet pipe 25 of the acid-base neutralization tank body, and the opening and closing of the electric valve 250 and the flow rate of water are controlled by a PLC.

The outside of 1 top of sewage regulation box is equipped with liquid level monitor 10, and liquid level monitor 10 runs through 1 top of sewage regulation box and extends to inside 1 of sewage regulation box. The liquid level monitor 10 is used for monitoring the sewage liquid level in the sewage adjusting box body 1, when the sewage liquid level reaches a preset value, the liquid level monitor 10 transmits a monitoring signal to the PLC, the PLC controls the electric valve 8 on the liquid inlet pipeline 7 to be closed, and the sewage stops entering the sewage adjusting box body 1; the PLC controls the electric valve 250 on the liquid inlet pipe 25 of the acid-base neutralization tank body to be opened, and the sewage to be treated enters the acid-base neutralization tank body 2 after being subjected to primary treatment in the sewage adjusting tank body 1.

The top end of the acid-base neutralization box body 2 is provided with a dosing device 26 which is internally filled with acid or alkaline liquid medicine, the dosing device 26 penetrates through the top end of the acid-base neutralization box body 2 through a dosing pipe 27, the dosing pipe 27 is connected with an electric valve 28, and the opening and closing of the electric valve 28 and the flow rate of the medicine are controlled by a PLC.

The water spraying device 11 is arranged on the outer side of the top end of the acid-base neutralization box body 2, the water spraying device 11 penetrates through the top end of the acid-base neutralization box body 2 through a water inlet pipe 12, an electric valve 13 is connected to the water inlet pipe 12, and the opening and closing of the electric valve 13 and the flow of water are controlled by a PLC. One end of the water inlet pipe 12, which is positioned in the acid-base neutralization box body 2, is connected with a water spraying dispersion disc 14, the water spraying dispersion disc 14 is positioned above the inside of the acid-base neutralization box body 2, and a plurality of nozzles 15 are uniformly distributed on the lower surface of the water spraying dispersion disc 14. The other end of the water inlet pipe 12, which is positioned outside the acid-base neutralization box body 2, is connected with an external water source.

The outer side of the top end of the acid-base neutralization box body 2 is also provided with a motor 16, the output end of the bottom of the motor 16 is provided with a rotating shaft 17 extending into the acid-base neutralization box body 2, and the rotating shaft 17 is provided with a stirring blade 18. The stirring blade 18 is a frame-shaped stirring blade, and an adsorption filter screen 19 is arranged on the inner side of the frame-shaped stirring blade. The motor 16 drives the stirring blade 18 and the adsorption filter screen 19 to rotate when in operation, the liquid medicine in the medicine adding device 26 is fully stirred and mixed with the sewage to generate acid-base neutralization reaction, and the rotary adsorption filter screen 19 can adsorb impurities in the sewage, so that the use reliability is improved. After the operation, the water spraying device 11 sprays water to the adsorption filter screen 19 to clean the adhered impurities.

And a drain pipe 20 is arranged on the outer side of the bottom end of the acid-base neutralization box body 2 and used for discharging cleaned sewage. An electric valve 21 is connected to the drain pipe 20, and the opening and closing of the electric valve 21 and the flow rate of water are controlled by a PLC.

The bottom outside of acid-base neutralization box 2 is equipped with temperature sensor 22, and temperature sensor 22 is used for real-time sensing acid-base neutralization box 2 interior liquid temperature with PLC communication connection, then sends the temperature signal of sensing to PLC. And an electric heating layer 23 is arranged on the inner wall of the acid-base neutralization box body 2. The PLC is in communication connection with the electric heating layer 23, and the PLC controls the temperature of the liquid heated by the electric heating layer 23 according to the temperature signal sensed by the temperature sensor 22.

The inside of the bottom end of the acid-base neutralization box body 2 is provided with a pH meter 24 for monitoring the pH value of liquid in the acid-base neutralization box body 2 on line, and the PLC is in communication connection with the pH meter 24 so as to monitor the pH value of the liquid in real time. The PLC controls the acidic or alkaline liquid medicine in the medicine adding device 26 to be added into the acid-base neutralization box body 2 through the medicine adding pipe 27 according to the PH value of the sewage measured by the pH meter 24.

The bottom inboard of acid-base neutralization box 2 is equipped with suction pump 29, suction pump 29 through acid-base neutralization box drain pipe 30 with precipitation box 3 is linked together, the exit end of acid-base neutralization box drain pipe 30 runs through precipitation box 3's lateral wall top is and be located precipitation box 3's inside top sets up.

The interior of the settling tank body 3 is provided with a pipeline mixer 31, a guide cylinder 33 and a conical flow baffle plate 40.

One end of a liquid outlet pipe 30 of the acid-base neutralization box body is connected with a water pump 29, and the other end of the liquid outlet pipe is connected with one end of a pipeline mixer 31. The other end of the pipeline mixer 31 is connected with a guide shell 33 through a pipeline mixer liquid outlet pipe 32. A flow baffle plate 40 is arranged under the guide shell 33.

The top outside of setting tank 3 is equipped with flocculating agent injection device 34 and coagulant aid injection device 35, flocculating agent injection device 34 advances pipe 36 through the flocculating agent and runs through the top of setting tank 3 and is connected with pipe mixer 31, coagulant aid injection device 3 advances the pipe 37 through the coagulant aid and runs through the top of setting tank 3 and is connected with pipe mixer 31. The flocculant inlet pipe 36 and the coagulant aid inlet pipe 37 are respectively connected with

electric valves

38 and 39, and the opening and closing of the

electric valves

38 and 39 and the flow rate of the medicament are controlled by a PLC.

The sewage enters the pipeline mixer 31 through the liquid outlet pipe 30 of the acid-base neutralization box body, the flocculating agent and the coagulant aid enter the pipeline mixer 31 through the flocculating agent inlet pipe 36 and the coagulant aid inlet pipe 37 respectively, and the pipeline mixer 31 uniformly mixes the sewage, the flocculating agent and the coagulant aid. The mixed liquor flows out of the pipeline mixer 31 through the guide cylinder 33 and the baffle plate 40 into the settling tank 3. The guide cylinder 33 and the flow baffle 40 are used for preventing the mixed liquid from sputtering and influencing the precipitation effect. In the case of settling 3, under the effect of flocculating agent and coagulant aid, sewage produces the flocculation sediment, and the flocculation sediment can adsorb some undissolved substance, effectively gets rid of the heavy metal sediment of sewage and insoluble matters such as, and sewage is behind the effect of settling 3, and most heavy metal sediment and insoluble matters are clear away.

The bottom end inner side of the sedimentation box body 3 is provided with a liquid pump 41, the liquid pump 41 is communicated with the disinfection box body 4 through a sedimentation box body liquid outlet pipe 42, and the outlet end of the sedimentation box body liquid outlet pipe 42 penetrates through the upper part of the side wall of the disinfection box body 4 and is positioned at the top end of the inner part of the disinfection box body 4. The liquid-extracting pump 41 lifts the sewage to be treated into the sterilizing tank 4. The filter screen 43 is arranged at the inlet of the liquid pump 41, so that the sediment and large-particle insoluble substances in the sewage can be effectively intercepted.

The bottom outside of deposiing the box 3 is equipped with fluid-discharge tube 44, connects self priming pump 45 on this fluid-discharge tube 44 for the sediment discharge of deposiing the box 3 bottom. The opening and closing of the self-priming pump 45 and the flow rate of the sediment are controlled by a PLC.

A plurality of catalytic strips 46 are arranged below the outlet end of the liquid outlet pipe 42 of the settling box body in a parallel and staggered manner, and the catalytic strips 46 are arranged on the side wall of the disinfection box body 4. The catalytic strips 46 are titanium dioxide compounds, are easy to prepare and low in price, and can catalyze organic matters such as formaldehyde, phenol, ketones and the like. And a plurality of disinfection lamps 47 are uniformly distributed on the inner wall of the disinfection box body 4 and used for accelerating the catalysis speed. The sterilizing lamp 47 is an ultraviolet sterilizing lamp. The sterilizing lamps 47 are installed on the sterilizing chamber body 4 between the upper and lower adjacent catalytic strips 46.

The bottom of the side wall of the disinfection box body 4 is connected with a liquid outlet pipeline 48, and the outlet end of the liquid outlet pipeline 48 is positioned at the bottom end of the interior of the biochemical reaction box body 5. The sewage treated by the disinfection box 4 enters the biochemical reaction box 5 from the liquid outlet pipe 48. An electric valve 49 is connected to the liquid outlet pipe 48, and the opening and closing of the electric valve 49 and the flow rate of water are controlled by a PLC.

The liquid level monitor 54 is arranged on the outer side of the top end of the biochemical reaction box body 5, and the liquid level monitor 54 penetrates through the top end of the biochemical reaction box body 5 and extends into the biochemical reaction box body 5. The liquid level monitor 54 is used for monitoring the sewage liquid level in the biochemical reaction box 5, when the sewage liquid level reaches a preset value, the liquid level monitor 54 transmits a monitoring signal to the PLC, the PLC controls the electric valve 49 on the liquid outlet pipeline 48 to be closed, and the sewage stops entering the biochemical reaction box 5.

The bottom of the side wall of the biochemical reaction box body 5 is connected with a liquid outlet pipeline 50, and the outlet end of the liquid outlet pipeline 50 is positioned at the bottom end of the interior of the filtering box body 6. An electric valve 56 is connected to the liquid outlet pipe 50, and the opening and closing of the electric valve 56 and the flow rate of water are controlled by a PLC. The inlet end of the liquid outlet pipeline 50 is provided with a filter screen 57, so that sludge and large-particle insoluble substances in sewage can be effectively intercepted.

The high pressure fan 51 is arranged on the outer side of the top end of the biochemical reaction box body 5 and is used for aerating the sewage in the biochemical reaction box body 5. The PLC is in communication connection with the high-pressure fan 51 so as to control the high-pressure fan 51 to perform aeration.

The biochemical reaction box body 5 is internally provided with suspended fillers. The sewage treated by the disinfection box 4 enters the biochemical reaction box 5 filled with the suspended filler, the suspended filler in the biochemical reaction box 5 is used as a carrier to provide a special surface for the propagation of microorganisms, and the microorganisms carry out oxidative degradation on micromolecule organic matters enriched on the surface of the filler under the condition that the high-pressure fan 51 provides high dissolved oxygen. Meanwhile, the activated sludge which is not attached to the surface of the filler in the biochemical reaction box body 5 is subjected to biodegradation under the aeration condition. Once the liquid level monitor 54 detects that the sewage in the biochemical reaction box 5 reaches a certain liquid level, the PLC controls the electric valve 49 on the liquid outlet pipe 48 to close, and the sewage stops entering the biochemical reaction box 5. The high pressure fan 51 continues to aerate the sewage in the biochemical reaction tank 5. When the organic substances in the sewage in the biochemical reaction box body 5 are fully degraded and the sewage is fully purified, the PLC controls the high-pressure fan 51 to stop aeration, so that the biochemical reaction box body 5 enters a standing and precipitating stage. After a period of time, the mixed liquid in the biochemical reaction box body 5 is subjected to mud-water separation under the action of gravity, clear water is on the upper part, and sludge is on the lower part. Once the liquid level monitor 54 detects that the clear water reaches a certain height, the PLC controls the electric valve 56 on the liquid outlet pipeline 50 to be opened, and the sewage in the biochemical reaction box 5 flows into the filter box 6 through the liquid outlet pipeline 50 after being treated.

An air compressor 58 is arranged on the outer side of the bottom end of the filtering box body 6, and the operation of the air compressor 58 is controlled by a PLC. An ultrafiltration membrane 59 is provided in the vertical direction inside the filter case 6.

The PLC activates the air compressor 58 to send air to the ultrafiltration membrane 59 to mix with the water. The ultrafiltration membrane 59 is also used for air intake when water is supplied, and the air intake disturbs the membrane filaments to fully wash the membrane filaments, so that the membrane filaments are not easy to block. In addition, in the process of sieving by the ultrafiltration membrane 59, the pressure difference between two sides of the membrane is used as a driving force, the ultrafiltration membrane 59 is used as a filtering medium, when the stock solution flows through the surface of the membrane under a certain pressure, a plurality of fine micropores densely distributed on the surface of the ultrafiltration membrane 59 only allow water and small molecular substances to pass through to form permeate, and substances in the stock solution, the volume of which is larger than the micropore diameter of the surface of the membrane, are intercepted on the liquid inlet side of the membrane to form concentrated solution, so that the purposes of purifying, separating and concentrating the stock solution are achieved. About 60 hundred million micropores of 0.01 micron are arranged on the wall of the ultrafiltration membrane filament pipe with the length of each meter, the pore diameter of the ultrafiltration membrane filament pipe only allows water molecules, beneficial mineral substances and trace elements in water to pass through, and the volume of the minimum bacteria is more than 0.02 micron, so that the bacteria, colloid, rust, suspended matters, silt, macromolecular organic matters and the like which are much larger than the volume of the bacteria can be intercepted by the ultrafiltration membrane 59, and the purification process is realized.

However, the conventional filter membrane can be seriously polluted when being used for removing dirt, and the dirt is difficult to remove. The gas-water mixed ultrafiltration membrane 59 is different from the air-water mixed ultrafiltration membrane 59, adopts a high cross-flow full-time aeration and scrubbing while pollution operation mode, and is not easy to be polluted. The high cross flow improves the surface flow velocity of the membrane filaments, reduces the blockage of pollutants on the micropores of the membrane filaments and reduces the membrane pollution rate; the aeration operation swings the membrane wires through a gas-liquid mixing turbulence state, and performs gas-liquid scrubbing on the surfaces of the membrane wires, so that the membrane wires are scrubbed while being polluted, the membrane pollution and recovery are synchronized, and the pollution on the surfaces of the membranes is effectively controlled.

A drain pipe 52 is provided at the bottom of the outside of the filtration tank 6, an electric valve 53 is connected to the drain pipe 52, and the opening and closing of the electric valve 53 and the flow rate of water are controlled by a PLC. The liquid is filtered by the ultrafiltration membrane 59 in the filter box 6 and then discharged through the drain pipe 52.

The sewage adjusting box body 1, the acid-base neutralizing box body 2, the precipitating box body 3, the disinfecting box body 4, the biochemical reaction box body 5 and the filtering box body 6 are combined into an integral structure, so that the occupied area of equipment is reduced, the equipment is convenient to move, and the treatment capacity of the equipment on sewage can be increased in the same area. The utility model discloses compare with current sewage treatment device, use combination formula laboratory sewage integrated processing equipment to handle sewage, each component equipment is small in quantity, area is little, the energy consumption is low, consequently the beneficial effects of the utility model are that: (1) the process is simple and convenient, and the purification effect is good; (2) the construction cost is low, and the operation cost is low; (3) and the management is convenient.

The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. a combined laboratory sewage comprehensive treatment equipment is characterized in that: comprise the sewage regulating box, the acid-base neutralization box, the sedimentation box, the disinfection box, the biochemical reaction box and the filter box communicated with each other, A liquid inlet pipeline is arranged on the outside of the sewage conditioning box, a perforated pre-aeration pipe is arranged at the bottom end of the sewage conditioning box, a fan is arranged outside the sewage conditioning box, and the aeration fan is connected with the perforated pre-aeration pipe through a connecting pipe The outside of the acid-base neutralization box is provided with a dosing device and a motor, the motor is connected to a frame-shaped structure stirring blade extending into the acid-base neutralization box, and an adsorption filter screen is arranged on the inner side of the stirring blade; the sedimentation box A pipeline mixer, a guide tube connected to the pipeline mixer and a baffle plate located under the guide tube are arranged inside the body, and a flocculant injection device and a flocculant injection device connected to the pipeline mixer are arranged outside the sedimentation tank. device; a plurality of catalytic strips and a plurality of disinfection lamps are arranged in the disinfection box; a high-pressure fan is arranged on the top of the outer side of the biochemical reaction box, which is used to aerate the sewage in the biochemical reaction box. There are suspended fillers; an air compressor is arranged outside the bottom end of the filter box, and an ultrafiltration membrane is arranged inside the filter box along the vertical direction.

2. The combined laboratory sewage comprehensive treatment equipment according to claim 1, characterized in that: a liquid level monitor is provided on the outside of the top of the sewage conditioning box, and the liquid level monitor penetrates the top of the sewage conditioning box and extends to the Inside the sewage conditioning tank.

3. The combined laboratory sewage comprehensive treatment equipment according to claim 1, characterized in that: the inside of the acid-base neutralization box is provided with a suction pump, and the suction pump passes through the acid-base neutralization box liquid outlet pipe Connected with the sedimentation box, one end of the liquid outlet pipe of the acid-base neutralization box is connected with the suction pump, and the other end is connected with the pipeline mixer.

4. The combined laboratory sewage comprehensive treatment equipment according to claim 3, characterized in that: the inside of the sedimentation tank is provided with a liquid pump, and the liquid pump is connected to the disinfection tank through the liquid outlet pipe of the sedimentation tank. The box bodies are connected, and a filter screen is arranged at the inlet of the liquid suction pump.

5. The combined laboratory sewage comprehensive treatment equipment according to claim 1, characterized in that: a drainage pipe is provided on the outer side of the bottom end of the sedimentation tank, and the drainage pipe is connected with a self-priming pump, and the self-priming pump is The opening, closing and flow of sediment are controlled by PLC.

6. The combined laboratory sewage comprehensive treatment equipment according to claim 1, characterized in that: a temperature sensor is provided on the outside of the bottom end of the acid-base neutralization box, and the temperature sensor is connected to PLC for real-time acid sensing. The alkali neutralizes the liquid temperature in the box, and then sends the sensed temperature signal to the PLC.

7. The combined laboratory sewage comprehensive treatment equipment according to claim 6, characterized in that: the inner wall of the acid-base neutralization box is provided with an electric heating layer, and the communication connection between the PLC and the electric heating layer is convenient for controlling the electric heating layer is heated.

8. The combined laboratory sewage comprehensive treatment equipment according to claim 1 is characterized in that: a pH meter is placed inside the acid-base neutralization box for detecting the pH of the liquid, and the communication connection between the PLC and the pH meter is convenient for real-time Monitor the pH of the liquid.

9. The combined laboratory sewage comprehensive treatment equipment according to claim 1, characterized in that: the outside of the acid-base neutralization box is provided with a water spray device, and the water spray device penetrates the acid and alkali through a water inlet pipe The water inlet pipe is connected to an electric valve, the opening and closing of the electric valve and the flow of water are controlled by PLC, the water inlet pipe is located in the acid-base neutralization box and one end of the box is connected to a water spray dispersion plate, the water spray dispersion plate There are several nozzles evenly distributed on the lower surface, and the other end of the water inlet pipe is located in the acid-base neutralization and the outside of the box body is connected with the external water source.

10. The combined laboratory sewage comprehensive treatment equipment according to claim 1, wherein the flocculant injection device is connected to the pipeline mixer through the flocculant inlet pipe, and the coagulant injection device is The inlet pipe is connected with the pipeline mixer, and the flocculant inlet pipe and the coagulation aid inlet pipe are respectively connected with electric valves, and the opening and closing of the electric valves and the flow of the chemicals are controlled by PLC.