CN214829816U

CN214829816U - Laboratory organic and inorganic waste water comprehensive treatment equipment

Info

Publication number: CN214829816U
Application number: CN202121839407.5U
Authority: CN
Inventors: 许利霞
Original assignee: Shandong Bsd Environmental Protection Co ltd
Current assignee: Shandong Bsd Environmental Protection Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-23
Anticipated expiration: 2031-08-09

Abstract

A comprehensive treatment device for organic and inorganic wastewater in a laboratory is used for treating organic and inorganic pollutants in wastewater and comprises a plurality of treatment containers, an ozone aeration device, an electrolysis device, an aeration device, an acid-base neutralization device, a filtering device, an ultraviolet light generating device and a backwashing device, wherein the filtering device comprises an adsorption filter screen, a biological filter cylinder and a multi-layer MBR (membrane bioreactor) filter membrane. The utility model discloses use from the top down to pile up the processing container of arranging in proper order as the waste water treatment carrier, saved area, through adsorbing filter screen, biological filter cartridge and multilayer MBR filtration membrane organic and inorganic pollutant in to the waste water carry out purification treatment to through aeration equipment, back flush unit, ozone aeration equipment, electrolytic device to adsorbing filter screen, biological filter cartridge and multilayer MBR filtration membrane on absorbent impurity do further clearance and maintain, can keep for a long time the utility model discloses a laboratory organic and inorganic waste water integrated processing equipment is to the high-efficient purifying effect of waste water.

Description

Laboratory organic and inorganic waste water comprehensive treatment equipment

Technical Field

The utility model relates to a waste water treatment technical field specifically is an organic and inorganic waste water integrated processing equipment in laboratory.

Background

The waste water that the laboratory produced contains organic and inorganic pollutant, if directly arrange city sewer in the time of untreated, often can cause the pollution of water, soil, can cause various diseases when serious, or lead to the outbreak of infectious disease to be popular, in order to avoid taking place serious consequence, the laboratory generally can use waste water treatment device to handle the waste water that produces, current waste water treatment device not only area is big, and the purification treatment effect to waste water is limited, the waste water after the processing often can not reach national emission standard, very easily causes secondary pollution.

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 to provide an organic and inorganic waste water comprehensive treatment equipment in laboratory for solving the problems.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a laboratory organic and inorganic waste water comprehensive treatment device is used for treating organic and inorganic pollutants in waste water and comprises a plurality of treatment containers, an ozone aeration device, an electrolysis device, an aeration device, an acid-base neutralization device, a filtering device, an ultraviolet light generating device and a back washing device;

the multiple treatment containers comprise a first treatment container, a second treatment container, a third treatment container and a fourth treatment container which are sequentially stacked from top to bottom, the ozone aeration device comprises an ozone machine and an ozone aeration head connected with the ozone machine through a pipeline, the electrolysis device comprises a power supply, an anode and a cathode connected with the power supply through a lead, the aeration device comprises a first aeration device and a second aeration device, a sealing insulating cover body is arranged at an opening at the upper end of the first treatment container, an aeration pipe penetrates through the sealing insulating cover body and extends into the first treatment container, the aeration pipe is provided with the first aeration device, the ozone aeration head of the ozone aeration device and the anode and cathode of the electrolysis device are arranged in the first treatment container, and the side wall of the first treatment container is provided with a first backwashing water gap;

the filtering device comprises an adsorption filter screen arranged in the second treatment container, a biological filter cylinder arranged in the third treatment container and a multi-layer MBR filtering membrane arranged in the fourth treatment container, the right side wall of the second treatment container is provided with a stirrer and a waste water pipe, the stirrer is used for uniformly stirring a medicament and water, the outer side wall of the third treatment container is provided with a gas pipe, and the gas pipe is provided with the second aeration device; the outer side wall of the fourth treatment container is provided with a drain pipe and a back flushing water port II, the drain pipe is connected with a suction pump, the back flushing device comprises a water tank and a water pump, the water outlet of the water pump is connected with the back flushing water port II through a pipeline, the water inlet of the water pump is connected with the water tank through a pipeline, and the water tank is connected with the back flushing water port I through a pipeline.

Furthermore, each treatment container has the same structure and comprises a cylindrical body part, an annular outer flange integrally extending from the outer side wall of the upper end of the body part, an annular inner flange integrally extending from the inner side wall of the body part, a cylindrical assembly part downwardly and integrally extending from the lower end of the body part close to the outer edge and an output pipe arranged in the middle of the lower end of the body part, wherein the ultraviolet light generation device is used for sterilizing and oxidizing wastewater and is arranged on the annular inner flange on the inner side of the third treatment container, and the multi-layer MBR (membrane bioreactor) filtering membrane is arranged on the annular inner flange on the inner side of the fourth treatment container.

Furthermore, the lower end of the body part is of a conical structure, the assembling part and the output pipe are coaxially arranged, the output pipe is connected with a first electric valve, and the opening, the closing and the flow rate of the liquid flowing out of the first electric valve are controlled by a PLC (programmable logic controller).

Furthermore, the anode of the electrolysis device adopts a ruthenium iridium titanium plate, the cathode adopts a stainless steel SS304 plate, and the first aeration device and the second aeration device both adopt an air pump.

Further, the acid-base neutralization device comprises a medicine feeding pipe, a medicine is contained in the medicine feeding pipe, a through hole is formed in the left side wall of the second treatment container, and the medicine feeding pipe penetrates through the through hole and extends into the inner side of the second treatment container.

Furthermore, the biological filter cylinder comprises a first biological filter cylinder and a second biological filter cylinder, an aerobic or anaerobic microbial membrane is hung on the first biological filter cylinder and the second biological filter cylinder, a driver is installed on a third treatment container, the driver comprises a motor installed on the outer wall of the right side of the third treatment container, a rotating shaft fixed with an output shaft of the motor, a driving gear installed on the rotating shaft, two driven gears arranged on two sides of the driving gear and a rotating shaft correspondingly installed and fixed in the center of the driven gears, the first biological filter cylinder is sleeved on the periphery of the rotating shaft, the second biological filter cylinder is sleeved on the periphery of the rotating shaft, and the driving gear is meshed with the driven gears.

Further, the agitator is including installing in the driving motor of second treatment vessel right side outer wall, connecting driving motor's (mixing) shaft and locating the epaxial stirring leaf of stirring, and the stirring leaf is frame type structure stirring leaf, it is inboard to adsorb the filter screen and locate the stirring leaf.

Furthermore, the water tank is independently arranged on the outer side of the fourth treatment container, a water outlet of the water pump is connected with the second backwashing water port through a pipeline, a water inlet of the water pump is connected with the water tank through a pipeline, and the water tank is connected with the first backwashing water port through a pipeline.

Furthermore, the fourth treatment vessel is used as a water tank of a backwashing device, and a water outlet and a water inlet of the water pump are respectively connected with the first backwashing water port and the second backwashing water port through pipelines.

The utility model discloses use from the top down to pile up the processing container of arranging in proper order as the waste water treatment carrier, saved area, carry out purification treatment through adsorbing filter screen, biological filter cartridge and multilayer MBR filtration membrane organic and inorganic pollutant in to the waste water to through first aeration equipment, back flush unit, ozone aeration equipment, electrolytic device to adsorbing filter screen, biological filter cartridge and multilayer MBR filtration membrane go up absorbent impurity and do further clearance and maintenance, can keep for a long time the utility model discloses an organic and inorganic waste water integrated processing equipment in laboratory is to the high-efficient purifying effect of waste water.

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 integrated treatment apparatus for organic and inorganic wastewater according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the processing vessel of FIG. 1;

FIG. 3 is a schematic diagram of the configuration of the agitator and the adsorption screen of FIG. 1;

FIG. 4 is a schematic top view of the driver and biological filter cartridge of FIG. 1;

FIG. 5 is a schematic structural diagram of a laboratory integrated treatment apparatus for organic and inorganic waste water according to another preferred embodiment of the present invention;

in the figure: the device comprises a treatment container 1, a body part 101, an outer flange 102, an inner flange 103, an assembly part 104, an output pipe 105, a first electric valve 106, a first treatment container 11, a sealing insulating cover 111, an aeration pipe 112, a first backwashing water port 113, a second treatment container 12, a wastewater pipe 121, a third electric valve 122, a third treatment container 13, an air conveying pipe 131, a fourth treatment container 14, a sewage discharge pipe 141, a second backwashing water port 142, an ozone machine 21, an ozone aeration head 22, a power supply 31, an anode 32, a cathode 33, a first aeration device 41, a second aeration device 42, an acid-base neutralization device 5, a dosing pipe 51, a second electric valve 52, a filtering device 6, an adsorption filter screen 61, a biological filter cylinder 62, a first biological filter cylinder 621, a second biological filter cylinder 622, an MBR filter membrane 63, an ultraviolet light generation device 7, a backwashing device 8, a water tank 81, a water pump 82, a stirrer 91, a driving motor 911, a stirring shaft 912, a water pump, a water tank 81, a water pump, Stirring leaf 913, driver 92, motor 921, rotation shaft 922, driving gear 923, driven gear 924, rotation shaft 925, suction pump 93.

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 first embodiment of the present invention provides a laboratory organic and inorganic wastewater comprehensive treatment apparatus for treating organic and inorganic pollutants in wastewater, comprising a plurality of treatment containers 1, an ozone aeration device, an electrolysis device, an aeration device, an acid-base neutralization device 5, a filtering device 6, an ultraviolet light generation device 7, and a backwashing device 8.

The plurality of treatment containers 1 are used as carriers for wastewater treatment, and include a first treatment container 11, a second treatment container 12, a third treatment container 13, and a fourth treatment container 14. The first processing container 11, the second processing container 12, the third processing container 13 and the fourth processing container 14 are sequentially stacked from top to bottom, so that the floor space is saved.

Each processing vessel 1 has substantially the same structure, and includes a cylindrical main body 101, an annular outer flange 102 integrally extending from an outer side wall of an upper end of the main body 101, an annular inner flange 103 integrally extending from an inner side wall of the main body 101, a cylindrical assembling portion 104 integrally extending downward from a lower end of the main body 101 near an outer edge, and an outlet pipe 105 provided at a central portion of a lower end of the main body 101. The lower end of the main body 101 is tapered to facilitate the drainage of water from the treatment vessel 1. The assembly part 104 is arranged coaxially with the output pipe 105, the output pipe 105 is connected with an electric valve 106, and the opening, the closing and the flow rate of the liquid flowing out of the electric valve 106 are controlled by an external PLC controller. A through hole and a connection pipe may be provided on the outer wall of the cylindrical body 101 as necessary.

The inner wall of the upper end of the second processing container 12 is coaxially fitted over the outer wall of the fitting portion 5 of the lower end of the first processing container 11, and the first processing container 11 and the second processing container 12 are fitted together. In the above manner, the first processing container 11, the second processing container 12, the third processing container 13, and the fourth processing container 14 are assembled in this order from the top down.

The ozone aeration device comprises an ozone machine 21 and an ozone aeration head 22 connected with the ozone machine 21 through a pipeline. The electrolysis device comprises a power supply 31, an anode 32 and a cathode 33, wherein the anode 32 is connected with the power supply 31 through a lead, the ruthenium iridium titanium plate is adopted as the anode 32, and the stainless steel SS304 plate is adopted as the cathode 33. The aeration device comprises a first aeration device 41 and a second aeration device 42, and the first aeration device 41 and the second aeration device 42 are both air pumps.

A sealing insulating cover body 111 is arranged at the opening of the upper end of the first treatment container 11, an aeration pipe 112 penetrates through the sealing insulating cover body 111 and extends into the first treatment container 11, and the first aeration device 41 is arranged on the aeration pipe 112. The ozone aeration head 22 of the ozone aeration device, the anode 32 and the cathode 33 of the electrolysis device are arranged in the first treatment container 11, and the side wall of the first treatment container 11 is provided with a first backwashing water port 113.

The acid-base neutralization device 5 comprises a dosing pipe 51 and an electric valve II 52 arranged on the dosing pipe 51; the chemical feeding pipe 51 is used for containing chemicals, a through hole is formed in the left side wall of the second treatment container 12, the chemical feeding pipe 51 penetrates through the through hole and extends into the inner side of the second treatment container 12, and the opening and closing of the electric valve II 52 and the flow rate of the chemicals are controlled by a PLC (programmable logic controller).

The filter device 6 includes an adsorption screen 61 disposed in the second treatment vessel 12, a biological filter cartridge 62 disposed in the third treatment vessel 13, and a multi-layer MBR filtration membrane 63 disposed in the fourth treatment vessel 14, wherein the biological filter cartridge 62 includes a first biological filter cartridge 621 and a second biological filter cartridge 622, and aerobic or anaerobic microbial membranes are hung on the first biological filter cartridge 621 and the second biological filter cartridge 622. The stirrer 91 and the waste water pipe 121 are attached to the right side wall of the second treatment vessel 12. The wastewater is discharged into the second treatment container 12 through the wastewater pipe 121, the wastewater pipe 121 is provided with an electric valve three 122, and the opening and closing of the electric valve three 122 and the flow rate of the wastewater are controlled by the PLC. The agitator 91 is used for uniformly agitating the chemical and the water, and includes a driving motor 911 installed on the right outer wall of the second processing container 12, an agitating shaft 912 connected to the driving motor 911, and an agitating blade 913 provided on the agitating shaft 912. Stirring leaf 913 is frame type structure stirring leaf, it is inboard that stirring leaf 913 is located to absorption filter screen 61, and drive stirring leaf 913 and absorption filter screen 61 are rotatory when driving motor 911 operates, and the medicament that flows out from dosing pipe 51 mixes with the abundant stirring of waste water and takes place acid-base neutralization reaction, and rotatory absorption filter screen 61 can adsorb the impurity in the waste water.

The ultraviolet light generating device 7 is used for sterilizing and oxidizing the wastewater and is arranged on an annular inner flange 103 on the inner side of the third treatment container 13. The outer side wall of the third treatment container 13 is provided with a gas pipe 131, and the gas pipe 131 is provided with the second aeration device 42 for aeration. The third processing container 13 is provided with a driver 92 located below the ultraviolet light generator 7, and the driver 92 includes a motor 921 mounted on the outer wall of the right side of the third processing container 13, a rotation shaft 922 connected and fixed to the output shaft of the motor 921, a driving gear 923 mounted on the rotation shaft 922, two driven gears 924 provided on both sides of the driving gear 923, and a rotation shaft 925 correspondingly mounted and fixed to the center of the driven gears 924. The peripheral cover of axis of rotation 922 is equipped with first biological filtration section of thick bamboo 621, and the peripheral cover of pivot 925 is equipped with second biological filtration section of thick bamboo 622, and driving gear 923 and driven gear 924 intermeshing, and driving gear 923 can drive driven gear 924 rotatory under the effect of motor 921 to realize that first biological filtration section of thick bamboo 621 and second biological filtration section of thick bamboo 622 rotate, improved the biological area of straining 62 and waste water and to the purifying effect of waste water.

The MBR filtration membranes 63 are disposed on an inner annular flange 103 inside the fourth treatment vessel 14 to facilitate membrane filtration of wastewater flowing from the third treatment vessel 13. A drain pipe 141 and a back flushing water port II 142 are arranged on the outer side wall of the fourth treatment container 14, and the drain pipe 141 is connected with a suction pump 93 so as to discharge impurities such as filter residue, suspended matters, colloid and the like trapped on the MBR filtering membrane 63 through the suction pump 93.

The backwashing device 8 comprises a water tank 81 and a water pump 82, the water tank 81 is a water tank which is separately arranged outside the fourth treatment container 14, a water outlet of the water pump 82 is connected with a second backwashing water inlet 142 through a pipeline, a water inlet of the water pump 82 is connected with the water tank 81 through a pipeline, and the water tank 81 is connected with a first backwashing water inlet 113 through a pipeline.

The utility model discloses during the use, three 122 of motorised valves are opened, and waste water is discharged into second treatment vessel 12 through waste pipe 121 in, two 52 of motorised valves on the dosing pipe 51 are opened, and a certain amount of medicament flows into second treatment vessel 12 through dosing pipe 51 in, and waste water and medicament in the second treatment vessel 12 mix and take place acid-base neutralization reaction, and agitator 91 adsorbs medicament and waste water stirring, and rotatory absorption filter screen 61 adsorbs the impurity in the waste water. After the wastewater is treated in the second treatment container 12, the electric valve one 106 on the output pipe 105 at the lower end of the second treatment container 12 is opened, the wastewater flows into the third treatment container 13 by gravity, the organic and inorganic pollutants in the wastewater are subjected to catalytic oxidation reaction under the action of the ultraviolet light generating device 7, and meanwhile, the first biological filter cartridge 621 and the second biological filter cartridge 622 are matched with the second aeration device 42 to degrade the organic pollutants in the wastewater. After the wastewater is treated in the third treatment container 13, the electric valve I106 on the output pipe 105 at the lower end of the third treatment container 13 is opened, the wastewater flows into the fourth treatment container 14 by virtue of gravity, the wastewater is changed into clean wastewater through solid-liquid separation of the MBR filtering membrane 63, finally, the electric valve I106 on the output pipe 105 at the lower end of the fourth treatment container 14 is opened, and the clean wastewater is discharged from the fourth treatment container 14 by virtue of gravity.

The utility model discloses a treatment facility carries out a period's processing back to waste water, and suspended solid and colloid in the waste water are held back, are adsorbed and are caused the jam at the filter screen 61, biological filter 62 and the filter layer surface of multilayer MBR filtration membrane 63, influence the follow-up purifying effect to waste water of filter equipment 6, and filter equipment 6 can not obtain full play to the throughput of waste water, consequently need be right the utility model discloses a treatment facility carries out periodic maintenance, clears up suspended solid and colloid on filter equipment 6 through following method: firstly, opening the first aeration device 41 on the aeration pipe 112 to blow air into the first treatment container 11, then sequentially opening the electric valves one 106 on the output pipes 105 at the lower ends of the first treatment container 11, the second treatment container 12, the third treatment container 13 and the fourth treatment container 14, and periodically opening and closing the electric valves one 106 on each treatment container 1 every few seconds, so that the air pressure discharged from the output pipes 105 is increased, and the air is blown from top to bottom to sequentially flush suspended matters and colloid on the adsorption filter screen 61, the biological filter cartridge 62 and the MBR filter membrane 63; meanwhile, the driving motor 911 and the motor 921 respectively drive the adsorption filter screen 61 and the biological filter cartridge 62 to rotate, so that air uniformly acts on the surfaces of the adsorption filter screen 61 and the biological filter cartridge 62, blown suspended matters and colloids are discharged from the output pipe 105 and finally gathered on the upper surface of the multi-layer MBR filter membrane 63, and impurities such as the suspended matters and the colloids intercepted on the MBR filter membrane 63 are discharged through the sewage discharge pipe 141 by starting the suction pump 93; then, the water pump 82 is started, the ozone aeration device and the electrolysis device are started, the cathode 33 of the electrolysis device converts oxygen into hydrogen peroxide, meanwhile, the electric valves I106 at the lower ends of the first treatment container 11, the second treatment container 12 and the third treatment container 13 are kept in an opening state, the electric valve I106 at the lower end of the fourth treatment container 14 is kept in a closing state, clean water in the water tank 81 of the backwashing device 8 flows into the fourth treatment container 14, the third treatment container 13, the second treatment container 12 and the first treatment container 11 from bottom to top in sequence through the backwashing water inlet II 141, is discharged through the backwashing water inlet I113 and then flows back to the water tank 81, and backwashing circulation is carried out; in the back flushing process, the driving motor 911 and the motor 921 respectively drive the adsorption filter screen 61 and the biological filter cylinder 62 to rotate, so as to accelerate the detachment of adsorbates on the surfaces of the adsorption filter screen 61 and the biological filter cylinder 62; meanwhile, ozone generated by the ozone generator 21 is input into the first treatment container 11 and is dispersed by the ozone aeration head 22, a part of the ozone is diffused to the filter layer surfaces of the adsorption filter screen 61, the biological filter cartridge 62 and the multi-layer MBR filter membrane 63 to further oxidize suspended matters and colloids adsorbed and remaining on the surfaces of the filter layers, the other part of the ozone reacts with hydrogen peroxide generated by the electrolysis device to generate strong oxide hydroxyl radicals, and the hydroxyl radicals enter the filter layers of the adsorption filter screen 61, the biological filter cartridge 62 and the multi-layer MBR filter membrane 63 along with backwashing water to decompose the remaining organic matters in the filter layers to generate water and carbon dioxide.

Fig. 5 shows the comprehensive treatment equipment for organic and inorganic wastewater in laboratory provided by the second embodiment of the present invention, which comprises a plurality of treatment containers 1, an ozone aeration device, an electrolysis device, an aeration device, an acid-base neutralization device 5, a filtering device 6, an ultraviolet light generating device 7 and a backwashing device, wherein the backwashing device comprises a water tank and a water pump 82, and the second embodiment is different from the first embodiment only in that: in the second embodiment, the fourth processing container 14 is used as a water tank of a backwashing device, a water outlet and a water inlet of the water pump 82 are respectively connected with the backwashing water inlet first 113 and the backwashing water inlet second 142 through pipelines, after wastewater purification is finished, the electric valve first 106 at the lower end of the fourth processing container 14 is in a closed state, purified wastewater finally left in the fourth processing container 14 is used as backwashing water, the water pump 82 pumps water in the fourth processing container 14, and the backwashing water sequentially flows into the first processing container 11, the second processing container 12, the third processing container 13 and the fourth processing container 14 from top to bottom through the backwashing water inlet first 113, so that a separate water tank is omitted, and water is saved.

The utility model discloses an organic and inorganic pollutant of filter membrane 63 in to waste water is carried out purification treatment to absorption filter screen 61, biological filter cylinder 62 and multilayer MBR to through first aeration equipment 41, back flush unit, ozone aeration equipment, electrolytic device to absorption filter screen 61, biological filter cylinder 62 and multilayer MBR filter membrane 63 go up absorbent impurity and further clear up and maintain, can keep for a long time the utility model discloses a high-efficient purifying effect of organic and inorganic waste water integrated processing equipment in laboratory to waste water.

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 laboratory organic and inorganic waste water comprehensive treatment equipment is used for treating organic and inorganic pollutants in waste water, and is characterized in that: comprises a plurality of treatment containers, an ozone aeration device, an electrolysis device, an aeration device, an acid-base neutralization device, a filtering device, an ultraviolet light generating device and a back washing device;

the filtering device comprises an adsorption filter screen arranged in the second treatment container, a biological filter cylinder arranged in the third treatment container and a multi-layer MBR filtering membrane arranged in the fourth treatment container, the right side wall of the second treatment container is provided with a stirrer and a waste water pipe, the stirrer is used for uniformly stirring a medicament and water, the outer side wall of the third treatment container is provided with a gas pipe, and the gas pipe is provided with the second aeration device; the outer side wall of the fourth treatment container is provided with a drain pipe and a back flush water gap II, the drain pipe is connected with a suction pump, the back flush device comprises a water tank and a water pump, and the water pump is connected with the water tank, the back flush water gap I and the back flush water gap II through pipelines.

2. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: each treatment container has the same structure and comprises a cylindrical body part, an annular outer flange formed by integrally extending from the outer side wall of the upper end of the body part, an annular inner flange formed by integrally extending from the inner side wall of the body part, a cylindrical assembly part formed by integrally extending downwards from the lower end of the body part close to the outer edge and an output pipe arranged in the middle of the lower end of the body part, wherein the ultraviolet light generation device is used for sterilizing and oxidizing wastewater and is arranged on the annular inner flange on the inner side of a third treatment container, and the multi-layer MBR (membrane bioreactor) filtering membrane is arranged on the annular inner flange on the inner side of a fourth treatment container.

3. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 2, wherein: the lower end of the body part is of a conical structure, the assembling part and the output pipe are coaxially arranged, the output pipe is connected with a first electric valve, and the opening, the closing and the flow of the liquid flowing out of the first electric valve are controlled by a PLC (programmable logic controller).

4. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the anode of the electrolysis device adopts a ruthenium iridium titanium plate, the cathode adopts a stainless steel SS304 plate, and the first aeration device and the second aeration device both adopt an air pump.

5. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the acid-base neutralization device comprises a dosing pipe, a medicament is contained in the dosing pipe, a through hole is formed in the left side wall of the second treatment container, and the dosing pipe penetrates through the through hole and extends into the inner side of the second treatment container.

6. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the biological filter cylinder comprises a first biological filter cylinder and a second biological filter cylinder, aerobic or anaerobic microbial membranes are hung on the first biological filter cylinder and the second biological filter cylinder, a driver is installed on a third treatment container, the driver comprises a motor installed on the outer wall of the right side of the third treatment container, a rotating shaft fixed with an output shaft of the motor, a driving gear installed on the rotating shaft, two driven gears arranged on two sides of the driving gear and a rotating shaft correspondingly installed and fixed in the center of the driven gears, the first biological filter cylinder is sleeved on the periphery of the rotating shaft, the second biological filter cylinder is sleeved on the periphery of the rotating shaft, and the driving gear is meshed with the driven gears.

7. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the agitator is including installing in the driving motor of second treatment vessel right side outer wall, connecting driving motor's (mixing) shaft and locating the epaxial stirring leaf of stirring, and the stirring leaf is frame type structure stirring leaf, it is inboard to adsorb the filter screen and locate the stirring leaf.

8. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the water tank is independently arranged on the outer side of the fourth treatment container, the water outlet of the water pump is connected with the back flushing water port II through a pipeline, the water inlet of the water pump is connected with the water tank through a pipeline, and the water tank is connected with the back flushing water port I through a pipeline.

9. The apparatus for the integrated treatment of organic and inorganic wastewater in laboratories according to claim 1, wherein: the fourth treatment container is used as a water tank of the backwashing device, and a water outlet and a water inlet of the water pump are respectively connected with the first backwashing water port and the second backwashing water port through pipelines.