CN215288350U

CN215288350U - Laboratory microorganism and heavy metal wastewater comprehensive treatment equipment

Info

Publication number: CN215288350U
Application number: CN202121788004.2U
Authority: CN
Inventors: 许利霞
Original assignee: Shandong Bsd Environmental Protection Co ltd
Current assignee: Shandong Bsd Environmental Protection Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-24
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a laboratory microorganism and heavy metal wastewater comprehensive treatment device, which comprises a box body, an adsorption device, an electric flocculation device, a drainage device, a composite treatment device, a disinfection device and a control device, wherein the adsorption device, the electric flocculation device, the drainage device, the composite treatment device, the disinfection device and the control device are sequentially arranged in the box body from top to bottom; the adsorption device comprises a stirring motor, a stirring shaft, an adsorption filter screen and an adsorption ring body, and the electric flocculation device is used for purifying the wastewater through electrochemical flocculation and comprises a cathode and an anode which are fixed on the partition board. The utility model discloses an adsorption equipment, electric flocculation device, combined treatment device and degassing unit realize killing microorganisms such as bacterium, virus in the waste water that the laboratory produced to heavy metal in the waste water is got rid of and is degraded organic pollutant, and the stable high-efficient processing of microorganism and heavy metal such as bacterium, virus in the waste water that the guarantee laboratory produced goes out water quality of water better, and whole treatment facility area is little.

Description

Laboratory microorganism and heavy metal wastewater comprehensive treatment equipment

Technical Field

The utility model relates to a waste water treatment technical field specifically is a laboratory microorganism and heavy metal waste water integrated processing equipment.

Background

The laboratory wastewater contains microorganisms such as pathogenic bacteria and viruses, organic pollutants and heavy metals, if the wastewater is directly discharged into a city sewer without treatment, the wastewater and soil are polluted, various diseases can be caused in severe cases, or the outbreak of infectious diseases can be caused, so that a wastewater treatment device is urgently needed for killing the microorganisms such as bacteria and viruses in the wastewater generated in a laboratory and removing the heavy metals and the organic pollutants in the wastewater.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a laboratory microorganism and heavy metal waste water integrated processing equipment for solving the above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a laboratory microorganism and heavy metal wastewater comprehensive treatment device comprises a box body, an adsorption device, an electric flocculation device, a drainage device, a composite treatment device, a disinfection device and a control device, wherein the adsorption device, the electric flocculation device, the drainage device, the composite treatment device, the disinfection device and the control device are sequentially arranged in the box body from top to bottom;

the box body is cylindrical, an upper cover matched with the box body is arranged at an opening at the top of the box body, a liquid inlet pipe is arranged at the upper part of the upper cover, a water outlet of the liquid inlet pipe faces the adsorption device, and the laboratory wastewater to be purified enters the cavity at the inner side of the box body from the liquid inlet pipe; the lower part of the box body is provided with a water outlet pipe, finally, the wastewater is purified and then discharged from the water outlet pipe, and the adsorption device, the electric flocculation device and the composite treatment device are separated by a partition plate arranged on the inner wall of the box body;

the adsorption device comprises an agitating motor, an agitating shaft, an adsorption filter screen and an adsorption ring body, wherein the agitating motor is arranged on the upper cover, the adsorption ring body is used for adsorbing pollutants in the wastewater, the adsorption ring body is arranged in the cavity of the box body, a gap is formed between the outer wall of the adsorption ring body and the inner wall of the box body, so that the cavity of the box body is divided into an inner cavity and an outer cavity by the adsorption ring body, the agitating shaft is in transmission connection with an output shaft of the agitating motor and penetrates through the upper cover to extend into the inner cavity of the box body, an agitating paddle blade is arranged on the agitating shaft, the agitating paddle blade is of a frame-shaped structure, the adsorption filter screen is arranged on the inner side of the frame-shaped stirring paddle blade, the agitating motor drives the agitating paddle blade and the adsorption filter screen to rotate, and impurities in the wastewater are adsorbed by the rotating adsorption filter screen;

the electric flocculation device purifies the wastewater through electrochemical flocculation and comprises a cathode and an anode which are fixed on a partition plate, wherein the anode and the anode extend into an outer cavity of the box body, the anode is arranged around the periphery of the adsorption ring body, the anode is formed by surrounding a plurality of anode sections which are arranged at intervals, the cathode is arranged around the periphery of the anode, the cathode is formed by surrounding a plurality of cathode sections which are arranged at intervals, and the height of the cathode is higher than that of the anode;

the drainage device comprises a drainage pipe, a water pump and a drainage dispersion disc, the water pump and the drainage dispersion disc are connected with the drainage pipe, the drainage pipe horizontally penetrates through the side wall of the box body and extends into the box body, a water inlet is formed in one end of the drainage pipe and faces the middle position of the cathode, the middle of the drainage pipe is connected with the water pump, the drainage dispersion disc is connected with the other end of the drainage pipe and fixed below the partition plate through a fixing piece, one surface, facing the composite treatment device, of the drainage dispersion disc is a water outlet surface, a plurality of water spray nozzles are uniformly distributed on the water outlet surface, and wastewater purified by the adsorption device and the electric flocculation device is discharged through the drainage pipe, the water pump and the drainage dispersion disc and enters the composite treatment device;

the composite treatment device comprises a frame body, a plurality of mycelium ball bags and an MBR (membrane bioreactor) filtering membrane, wherein the mycelium ball bags and the MBR filtering membrane are arranged in the frame body at intervals from top to bottom, mycelium balls are filled in the mycelium ball bags, the mycelium ball bags are used for degrading organic pollutants in wastewater, and the MBR filtering membrane is arranged at the lowest end of the frame body and is used for filtering residual filter residues, suspended matters and colloids in the wastewater;

the composite treatment device and the disinfection device are separated by a transparent partition plate arranged on the inner wall of the box body, the disinfection device is positioned under the transparent partition plate and is arranged on the bottom plate of the box body, the disinfection device comprises a plurality of ultraviolet lamps arranged on the bottom plate of the box body, and the ultraviolet lamps are arranged on the bottom plate of the box body in an array manner;

the control device is arranged on the outer side wall of the box body and comprises a PLC (programmable logic controller), and the stirring motor, the ultraviolet lamp, the cathode, the anode and the water pump are connected with the PLC through signal lines, so that the PLC controls the working states of the stirring motor, the ultraviolet lamp, the cathode, the anode and the water pump.

Furthermore, the adsorption ring body is formed by directly pressing an adsorption material capable of adsorbing corresponding pollutants according to the pollutant components in the wastewater.

Further, the adsorption ring body is enclosed by the adsorption section that a plurality of intervals set up and closes and forms, and the adsorption ring body sets up in the cavity of box with changing, covers on and is fixed with a plurality of stands that stretch into the box cavity through the screwed connection, and the adsorption section is binded and is fixed on the stand.

Further, the adsorption section includes two-layer filter membrane, and it has the adsorption material to fill between two-layer filter membrane, and the adsorption material is coconut shell activated carbon.

Further, above-mentioned treatment facility is still including locating the washing unit under the adsorption equipment, washing unit is used for spraying water on adsorbing filter screen and the adsorption ring body, will adsorb the impurity of filter screen adhesion and adsorb the adsorbed pollutant on the ring body, the bacterium, microorganism such as virus clears up, this washing unit includes water spray dispersion impeller and a plurality of nozzles of equipartition on the water spray dispersion impeller, an inlet tube runs through the box lateral wall and stretches into in the box, the water spray dispersion impeller is connected to the one end that this inlet tube is located the box, the other end that this inlet tube is located the box outside is connected with outside water source.

Further, the cathode and the anode adopt iron, aluminum or stainless steel as electrode materials.

Furthermore, the side wall of the box body is provided with an upper mud discharging hole and a lower mud discharging hole, the height of the upper mud discharging hole is higher than that of the cathode, the lower mud discharging hole penetrates through the side wall of the box body and is close to the partition plate, the liquid inlet pipe, the upper mud discharging hole, the lower mud discharging hole, the water inlet pipe and the water outlet pipe are connected with an electric valve, the electric valve is connected with the PLC through a signal line, and the opening and closing of the electric valve are controlled by the PLC.

Furthermore, the hypha ball bag is a wool fabric flat bag, the hypha balls are of trametes hirsuta, color pangolin fungi and oyster mushroom, and the frame body is fixed on the inner wall of the box body through the support frame.

The utility model discloses an adsorption equipment, electric flocculation device, combined treatment device and degassing unit realize killing microorganisms such as bacterium, virus in the waste water that the laboratory produced to heavy metal in the waste water gets rid of and degrades organic pollutant, guarantee the waste water that the laboratory produced in the microorganism and the stable high-efficient processing of heavy metal such as bacterium, virus, go out water quality of water better, whole treatment facility area is little, and set up the universal wheel bottom the treatment facility, be convenient for remove.

Drawings

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

FIG. 1 is a schematic structural diagram of a laboratory microorganism and heavy metal wastewater comprehensive treatment device provided by the preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the adsorption ring body in FIG. 1;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;

in the figure: the device comprises a box body 10, an upper cover 11, a liquid inlet pipe 12, an inner cavity 13, an outer cavity 14, an upper sludge outlet 15, a lower sludge outlet 16, a partition plate 17, a water outlet pipe 18, a transparent partition plate 19, an adsorption device 20, a stirring motor 21, a stirring shaft 22, a stirring paddle 23, an adsorption filter screen 24, an adsorption ring body 25, an adsorption section 251, a filter membrane 252, an adsorption material 254, a stand column 26, an electrocoagulation device 30, a cathode 31, a cathode section 311, an anode 32, an anode section 321, a flushing device 40, a water spraying dispersion disc 42, a nozzle 43, a drainage device 50, a drainage pipe 51, a water pump 52, a drainage dispersion disc 53, a water spraying nozzle 54, a composite treatment device 60, a frame body 61, a hypha ball bag 62, an MBR filter membrane 63, a support frame 64, a disinfection device 70, an ultraviolet lamp 71, a control device 80 and a universal wheel 90.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 4, a preferred embodiment of the present invention provides a laboratory microorganism and heavy metal wastewater comprehensive treatment apparatus, which comprises a box 10, an adsorption device 20, an electric flocculation device 30, a drainage device 50, a composite treatment device 60, a disinfection device 70, and a control device 80, wherein the adsorption device 20, the electric flocculation device 30, the drainage device 50, the composite treatment device 60, the disinfection device 70, and the control device are sequentially disposed inside the box 10 from top to bottom.

The box 10 is cylindrical, an upper cover 11 adapted to the box 10 is arranged at an opening at the top of the box 10, a liquid inlet pipe 12 is arranged at the upper part of the upper cover 11, a water outlet of the liquid inlet pipe 12 faces the adsorption device 20, and laboratory wastewater to be purified enters the cavity inside the box 10 from the liquid inlet pipe 12. The lower part of the box body 10 is provided with a water outlet pipe 18, and finally, the wastewater is purified and then discharged from the water outlet pipe 18, enters a municipal pipe network for further treatment and then is discharged. The adsorption device 20, the electric flocculation device 30 and the composite treatment device 60 are separated by a partition 17 arranged on the inner wall of the box body 10.

The adsorption device 20 includes a stirring motor 21, a stirring shaft 22, an adsorption screen 24 and an adsorption ring 25. Agitator motor 21 installs on upper cover 11, it is internal that adsorption ring body 25 locates the cavity of box 10, there is the clearance between adsorption ring body 25 outer wall and the box 10 inner wall, thereby adsorption ring body 25 is cut apart into interior cavity 13 and outer cavity 14 with the cavity of box 10, in (mixing) shaft 22 is connected and passes upper cover 11 and stretch into the interior cavity 13 of box 10 with agitator motor 21's output shaft transmission, be equipped with stirring paddle 23 on the (mixing) shaft 22, stirring paddle 23 is frame type structure stirring paddle, frame type structure stirring paddle's inboard is provided with adsorbs filter screen 24. When the stirring motor 21 is operated, the stirring blade 23 and the adsorption screen 24 are driven to rotate, and impurities in the wastewater can be adsorbed by the rotating adsorption screen 24.

The adsorption ring body 25 is used for adsorbing pollutants in the wastewater, and the adsorption ring body 25 can be formed by directly pressing an adsorption material capable of adsorbing corresponding pollutants according to the components of the pollutants in the wastewater. Specifically, the adsorption ring body 25 is enclosed by the adsorption sections 251 that a plurality of intervals set up and closes and forms, sets up the breach promptly on the adsorption ring body 25, and agitator motor 21 drives agitator paddle 23 and stirs the waste water in the cavity 13 to make the liquid between cavity 13 and the outer cavity 14 can both receive agitator paddle 23's stirring effect and accelerate the flow, can improve adsorption efficiency. The adsorption ring body 25 is replaceably arranged in the cavity of the box body 10, a plurality of upright posts 26 extending into the cavity of the box body 10 are fixedly connected to the upper cover 11 through screws, and the adsorption section 251 is bound and fixed on the upright posts 26.

The adsorption section 251 comprises two filter membranes 252, and an adsorption material 254 is filled between the two filter membranes 252, in this embodiment, the adsorption material 254 is coconut shell activated carbon, the coconut shell activated carbon can adsorb organic pollutants in the wastewater and microorganisms such as bacteria and viruses, the microorganisms such as bacteria and viruses and part of the organic pollutants are attached to the coconut shell activated carbon, and the microorganisms such as bacteria and viruses which do not die use organic matters as nutrient sources to decompose and consume part of the organic pollutants.

The treatment facility still includes locating washing unit 40 under adsorption equipment 20, and washing unit 40 is used for spraying water on adsorbing filter screen 24 and the adsorption ring body 25, will adsorb the microorganism such as the impurity of filter screen 24 adhesion and the adsorption ring body 25 on adsorbed pollutant, bacterium, virus and clear up. This washing unit 40 includes water spray dispersion impeller 42 and a plurality of nozzles 43 of equipartition on water spray dispersion impeller 42, an inlet tube (not shown) runs through box 10 lateral wall and stretches into in the box 10, the one end that this inlet tube is located the box 10 is connected water spray dispersion impeller 42, the other end that this inlet tube is located the box 10 outside is connected with outside water source, water spray dispersion impeller 42 is fixed in baffle 17 top through a mounting, water spray dispersion impeller 42 is just to adsorption ring body 25 and absorption filter screen 24, water outlet area has been increased.

The electric flocculation device 30 purifies wastewater by electrochemical flocculation, and comprises a cathode 31 and an anode 32 fixed on the separator 17, wherein the cathode 31 and the anode 32 are connected with a power supply through leads, and iron, aluminum or stainless steel can be used as an electrode material. The anode 32 and the anode 32 extend into the outer cavity 14 of the box body 10, the anode 32 is arranged around the periphery of the adsorption ring body 25, the anode 32 is formed by enclosing a plurality of anode segments 321 which are arranged at intervals, namely, a gap is arranged on the anode 32; the cathode 31 is arranged around the anode 32, the cathode 31 is formed by enclosing a plurality of cathode segments 311 arranged at intervals, and the height of the cathode 31 is higher than that of the anode 32; when negative pole 31 and positive pole 32 let in the electric current, heavy metal ion in the waste water turns into hydroxide and deposits, and the colloidal substance and the pollutant in hydroxide deposit coagulation waste water form the flocculation thing, carry out waste water purification treatment through electrochemical flocculation, and the little flocculation thing of density that generates is floated to the surface of water by the mud scraping board by the adhesion on the bubble and is discharged, and the flocculation thing of density is big sinks to the bottom, produces strong electric field between the two when negative pole 31 and positive pole 32 circular telegram and can also kill microorganism such as bacterium, virus in the waste water. In addition, agitator motor 21 drives stirring paddle 23 and stirs the waste water in cavity 13, make the liquid between cavity 13 and the outer cavity 14 accelerate to flow, be favorable to improving the speed of electrochemistry flocculation reaction, partly flocculate that produces through electrochemistry flocculation reaction flows into cavity 13 along with water and can be adsorbed by adsorption screen 24 and adsorption ring body 25, consequently, it is peripheral at adsorption equipment 20 to encircle the setting through negative pole 31 with electric flocculation device 30 and positive pole 32, electric flocculation device 30 and adsorption equipment 20 cooperate in coordination, wastewater treatment efficiency has been improved.

The lateral wall of the box body 10 is provided with an upper mud discharging hole 15 and a lower mud discharging hole 16, the height of the upper mud discharging hole 15 is higher than that of the cathode 31, the lower mud discharging hole 16 penetrates through the lateral wall of the box body 10 and is close to the partition board 17, and the upper mud discharging hole 15 and the lower mud discharging hole 16 can be provided in a plurality of numbers and are uniformly arranged on the lateral wall of the box body 10. A corresponding scraper may be provided above the tank 10, controlled by a motor, for discharging the floating flocs through an upper sludge discharge 15. The impurities adhered to the adsorption screen 24 and the contaminants, bacteria, viruses, etc. adsorbed on the adsorption ring 25 and the flocs settled to the bottom cleaned by the washing unit 40 are discharged from the lower sludge discharge port 16.

The drainage device 50 comprises a drainage pipe 51, a water pump 52 and a drainage dispersion disc 53 which are connected with the drainage pipe 51, the drainage pipe 51 horizontally penetrates through the side wall of the box 10 and extends into the box 10, one end of the drainage pipe 51 is a water inlet and faces the middle position of the cathode 31, the middle of the drainage pipe 51 is connected with the water pump 52, the drainage dispersion disc 53 is connected with the other end of the drainage pipe 51 and is fixed below the partition plate 17 through a fixing piece, one surface, facing the composite treatment device 60, of the drainage dispersion disc 53 is a water outlet surface, a plurality of water nozzles 54 are uniformly distributed on the water outlet surface, the water outlet area is increased, and wastewater purified by the adsorption device 20 and the electric flocculation device 30 is discharged into the composite treatment device 60 through the drainage pipe 51, the water pump 52 and the drainage dispersion disc 53. Since the water inlet of the water discharge pipe 51 is opposite to the middle position of the cathode 31, the flocculate generated by the electrochemical flocculation reaction is prevented from being discharged from the water discharge pipe 51 together with the purified wastewater, and the purification effect is prevented from being influenced.

Composite treatment device 60 includes framework 61, by last a plurality of hypha ball bags 62 and MBR filtration membrane 63 of interval setting in framework 61 down, is filled with the hypha ball in the hypha ball bag 62, and hypha ball bag 62 can be the flat bag of woollen goods, and the hypha ball is the hypha ball of coarse tramete, various fine leather fungus of covering and the shaggy skin oyster mushroom for degrade the organic pollutant in the waste water. The frame body 61 is fixed on the inner wall of the box body 10 through a support frame 64, and the MBR filter membrane 63 is arranged at the lowest end of the frame body 61 and is used for filtering impurities such as residual filter residue, suspended matters, colloid and the like in the wastewater.

The composite treatment device 60 and the disinfection device 70 are separated by a transparent partition 19 arranged on the inner wall of the box body 10, and the transparent partition 19 can be a glass plate. The sterilizing device 70 is positioned directly below the transparent partition 19 and is disposed on the bottom plate of the cabinet 10. The disinfection device 70 comprises a plurality of ultraviolet lamps 71 arranged on the bottom plate of the box body 10, the ultraviolet lamps 71 are arranged on the bottom plate of the box body 10 in an array mode, ultraviolet light emitted by the ultraviolet lamps 71 can penetrate through the transparent partition plate 19 to further kill microorganisms such as bacteria and viruses in wastewater, and the degradation of organic pollutants is accelerated.

Because the waste water volume that the laboratory produced is few, consequently the waste water that produces in the experimentation can hold and handle in box 10, and adsorption equipment 20, electric flocculation device 30, drainage device 50, combined treatment device 60, degassing unit 70 and controlling means 80 from the top set gradually on box 10, and whole treatment facility area is little, sets up universal wheel 90 in the treatment facility bottom, is convenient for remove.

The control device 80 is arranged on the outer side wall of the box body 10, the control device 80 comprises a PLC (programmable logic controller), and the stirring motor 21, the ultraviolet lamp 71, the cathode 31, the anode 32 and the water pump 52 are connected with the PLC through signal lines, so that the PLC can control the working states of the stirring motor 21, the ultraviolet lamp 71, the cathode 31, the anode 32 and the water pump 52; in addition, the PLC can periodically control the stirring motor 21 to rotate forwards and backwards as required, so that the flowing direction of the liquid between the inner cavity 13 and the outer cavity 14 can be periodically changed.

Understandably, the liquid inlet pipe 12, the upper mud discharging port 15, the lower mud discharging port 16, the water inlet pipe and the water outlet pipe 18 can be connected with an electric valve, the electric valve is connected with a PLC (programmable logic controller) through a signal wire, and the opening and the closing of the electric valve are controlled by the PLC.

The utility model discloses an adsorption equipment 20, electric flocculation device 30, combined treatment device 60 and degassing unit 70 realize killing the microorganism such as bacterium, virus in the waste water that the laboratory produced, and get rid of and degrade organic pollutant to the heavy metal in the waste water, guarantee the waste water that the laboratory produced in the stable high-efficient processing of microorganism such as bacterium, virus and heavy metal, it is better to go out water quality of water, whole treatment facility area is little, and set up universal wheel 90 in the treatment facility bottom, be convenient for remove.

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. The utility model provides a laboratory microorganism and heavy metal waste water integrated processing equipment which characterized in that: comprises a box body, an adsorption device, an electric flocculation device, a drainage device, a composite treatment device, a disinfection device and a control device which are arranged in the box body from top to bottom in sequence;

the box body is cylindrical, an upper cover matched with the box body is arranged at an opening at the top of the box body, a liquid inlet pipe is arranged at the upper part of the upper cover, a water outlet of the liquid inlet pipe faces the adsorption device, a water outlet pipe is arranged at the lower part of the box body, and the adsorption device, the electric flocculation device and the composite treatment device are separated by a partition plate arranged on the inner wall of the box body;

2. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 1, characterized in that: the adsorption ring body is formed by enclosing adsorption sections arranged at a plurality of intervals, the adsorption ring body is arranged in a cavity of the box body in a replaceable manner, a plurality of stand columns extending into the cavity of the box body are fixedly connected to the upper cover through screws, and the adsorption sections are bound and fixed on the stand columns.

3. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 2, characterized in that: the adsorption section comprises two layers of filter membranes, adsorption materials are filled between the two layers of filter membranes, and the adsorption materials are coconut shell activated carbon.

4. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 1, characterized in that: still including locating the washing unit under the adsorption equipment, washing unit is used for the clearance to adsorb filter screen and adsorption ring body, and this washing unit includes a plurality of nozzles of water spray dispersion impeller and equipartition on water spray dispersion impeller, and an inlet tube runs through the box lateral wall and stretches into in the box, and the water spray dispersion impeller is connected to the one end that this inlet tube is located the box, and the other end that this inlet tube is located the box outside is connected with outside water source.

5. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 1, characterized in that: the cathode and the anode adopt iron, aluminum or stainless steel as electrode materials.

6. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 1, characterized in that: the utility model discloses a mud pump, including box, baffle, feed liquor pipe, upper mud discharge port, inlet tube and outlet pipe, the box lateral wall is equipped with row's mud mouth and lower mud discharge port, and the height that goes up the mud mouth is higher than the negative pole, and lower mud discharge port runs through the box lateral wall and is close to the baffle, connect the motorised valve on feed liquor pipe, upper mud discharge port, lower mud discharge port, the inlet tube and the outlet pipe, the motorised valve passes through the signal line with the PLC controller and is connected, and opening and closing of motorised valve is controlled by the PLC controller.

7. The comprehensive laboratory microorganism and heavy metal wastewater treatment equipment according to claim 1, characterized in that: the hypha ball bag is the wool fabric flat bag, and the hypha ball is the hypha ball of coarse tramete, various fine leather lid fungus and brown leather oyster mushroom, and the framework is fixed in the box inner wall through the support frame.