CN212102463U - Waste water treatment equipment for biological medicine research and development laboratory - Google Patents

Abstract

The utility model discloses a waste water treatment device for a biological medicine research and development laboratory, which comprises a box body, a liquid outlet pipe is fixedly arranged at the right side of the bottom of the box body, a heater is fixedly arranged at the middle part of the left wall of the box body, a mounting seat is fixedly arranged at the middle part of the bottom end of the inner wall of the box body, the liquid outlet pipe is fixedly arranged at the right side of the bottom of the box body, the treated waste water is convenient to discharge, the mounting seat is fixedly arranged at the bottom end inside the box body, an acid-base sterilizing bucket is convenient to limit and fix on the mounting seat, the placing stability of the acid-base sterilizing bucket is improved, a heating sleeve is sleeved on the acid-base sterilizing bucket, hot gas can be conveyed into the heating sleeve through the matching of the heater and a gas pipe, the acid-base sterilizing bucket is convenient to heat, the waste water in the acid-base sterilizing bucket, the wastewater is conveniently conveyed to the acid-base sterilization barrel through the liquid guide pipe.

Description

Waste water treatment equipment for biological medicine research and development laboratory

Technical Field

The utility model belongs to the technical field of sewage treatment, specifically be biological medicine research and development laboratory waste water treatment equipment.

Background

At present, most of wastewater and waste liquid generated by biopharmaceutical laboratories in many colleges, scientific research institutions and middle schools every day is discharged into rivers without being strictly treated, which increases a great workload for urban sewage plants, especially heavy metals and harmful bacteria and viruses, and seriously threatens the health of people. The main problems of the wastewater discharge of the biological laboratory are that the water quality components are complex and changeable, the pollution is strong and the harmfulness is high.

And (3) neutralization reaction: h + and OH-combine to form water, or acid + base → salt + water, but there is a reaction between salt and water, not necessarily a neutralization reaction. Therefore, the acid and alkali are neutralized as long as they react, and whether the acid and alkali are completely reacted or not is the standard for judging whether the acid and alkali are completely reacted or not. In soil, organic acid is generated in the decomposition process of organic matters, acidic substances can be generated by weathering of minerals, acid rain is caused by air pollution, and soil in some places is acidic.

Inorganic chemical reaction is carried out by oxidizing many known organic compounds such as carboxylic acid, alcohol and ester into inorganic state by a mixed solution of hydrogen peroxide (H2O2) and ferrous ion Fe2 +. The reaction has high capability of removing organic pollutants which are difficult to degrade, and is widely applied to the treatment of printing and dyeing wastewater, oily wastewater, phenol-containing wastewater, coking wastewater, nitrobenzene-containing wastewater, diphenylamine wastewater and other wastewater.

The structure of current sewage treatment plant is comparatively single, and metal and bacterium to in the sewage that can not be fine carry out high-efficient processing, consequently need improve current sewage treatment plant structure, propose biological medicine research and development laboratory waste water treatment equipment simultaneously, the better problem of solving the aforesaid and proposing of being convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems proposed above, a biopharmaceutical development laboratory wastewater treatment facility is provided.

The utility model adopts the technical scheme as follows:

biological medicine research and development laboratory waste water treatment equipment, the power distribution box comprises a box body, the bottom right side fixed mounting of box has the drain pipe, the left wall middle part fixed mounting of box has the heater, the inner wall bottom middle part fixed mounting of box has the mount pad, the last fixed surface of mount pad installs the acid-base bucket that disinfects, the outer wall of acid-base bucket that disinfects has cup jointed the heating jacket, and the inside cavity structure that is of heating jacket, fixed mounting has the gas-supply pipe on the heating jacket, and the other end activity of gas-supply pipe runs through the box and is connected with the heater.

In a preferred embodiment, the liquid guide pipes are fixedly arranged above the inner wall of the box body and symmetrically distributed, the cleaning box is arranged above the box body, the double-shaft motor is fixedly arranged in the middle of the cleaning box and the box body, and a rotating shaft on the double-shaft motor movably penetrates through the box body and the cleaning box.

In a preferred embodiment, be located fixed mounting has first puddler in the inside pivot of box, first puddler other end fixed mounting has clean board, and the inner wall of clean board and acid-base sterilization bucket laminates mutually, the inboard fixed mounting of first puddler and clean board has the waste liquid to separate the net.

In a preferred embodiment, be located fixed mounting has the second puddler in the pivot of clearance incasement portion, the fixed position of the relative catheter of lower surface of clearance case has the transfer line, install the governing valve on drain pipe and the transfer line, the inner wall both sides fixed mounting of clearance case has the guide frame, and the guide frame extends to the position of transfer line port department.

In a preferred embodiment, the top of cleaning box has placed the apron, the lower surface middle part fixed mounting of apron has electrical coil, the upper surface middle part fixed mounting of apron has the pull ring, electrical coil is connected with external power supply through the wire.

In a preferred embodiment, the lower surface of the cover plate is fixedly provided with limiting columns on two sides, the top of the cleaning box is provided with a limiting groove relative to the limiting columns, the limiting columns are inserted into the limiting groove, a liquid inlet pipe is connected to the upper portion of the left wall of the cleaning box in a penetrating manner, and a filter screen is connected to the inner threads of the liquid inlet pipe.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: waste water treatment equipment in a biological medicine research and development laboratory plans to adopt a process of 'neutralization + A/O + disinfection', and the technical core of waste water lies in the technical line selection of A/O, so that metal and bacteria in waste water can be better and efficiently treated, and the metal and bacteria are not easy to pollute the air and water source.

1. The utility model discloses in, biological medicine research and development laboratory waste water treatment equipment plans to adopt "neutralization + AO + disinfection" technology, and the waste water technology core lies in AO's technical circuit selection.

1. Neutralizing, adding acid, controlling the pH value within 6.5-8.5, and discharging, wherein a stirrer and a dosing device are arranged in a neutralization tank;

2. the A/O is a facultative and aerobic treatment process, an aeration pipeline is arranged in the device, oxygen is supplied to microorganisms for wastewater treatment, wastewater mixing is realized, organic matters in the wastewater are subjected to oxidative decomposition by the facultative microorganisms and the aerobic microorganisms, and the ammonia nitrogen is subjected to nitrification reaction and denitrification reaction and is converted into nitrogen; the A/O system needs to be provided with an aeration system, a sludge reflux system and a nitrification liquid reflux system;

3. and (3) disinfection, namely adopting a chlorine-containing disinfectant or ozone to disinfect the wastewater, and controlling the total residual chlorine of the disinfected wastewater to be 2-8mg/L.

The COD of the wastewater inlet water is 1000-; the COD of the effluent is 30-60mg/L, the BOD is 20-30mg/L, the effluent pipe is fixedly arranged on the right side of the bottom of the box body, the treated wastewater is convenient to discharge, the mounting seat is fixedly arranged at the bottom end inside the box body, the acid-base sterilization barrel is convenient to be fixed on the mounting seat in a limiting mode, the stability of placing the acid-base sterilization barrel is improved, the heating sleeve is sleeved on the acid-base sterilization barrel, hot gas can be conveyed into the heating sleeve through the matching of the heater and the gas conveying pipe, the acid-base sterilization barrel is convenient to be heated, the wastewater in the acid-base sterilization barrel is better sterilized, the liquid guide pipes which are symmetrically distributed are fixedly arranged at the top end inside the box body, the wastewater is convenient to be conveyed into the acid-base sterilization barrel through the liquid guide pipes, the first stirring rod is fixedly arranged on the rotating shaft, and the wastewater in, increase bactericidal effect, fixed mounting has clean board on first puddler, is convenient for stir waste water, can clear up acid-base sterilization bucket inner wall simultaneously, has the waste liquid separation net at the inboard fixed mounting of first puddler and clean board, increases waste water stirring efficiency, plays the filter action simultaneously.

2. The utility model discloses in, biological medicine research and development laboratory waste water treatment equipment plans to adopt "neutralization + AO + disinfection" technology, and the waste water technology core lies in AO's technical circuit selection.

The COD of the wastewater inlet water is 1000-; the COD of going out water is 30-60mg/L, BOD is 20-30mg/L, be fixed with the second puddler in the pivot, be convenient for stir the waste water in the clearance case, make waste water be in the mobile state, be convenient for carry out high-efficient processing to the metal in the waste water, inner wall both sides fixed mounting at the clearance case has the guide frame, be convenient for carry out the drainage to waste water, lower surface middle part fixed mounting at the apron has the circular telegram coil, be convenient for carry out adsorption treatment to the metal in the waste water, lower surface both sides fixed mounting at the apron has spacing post, be convenient for to plug in spacing post to the spacing groove that clearance roof portion was seted up, can carry out spacing fixed to the apron, threaded connection has the filter screen in the feed liquor pipe, be convenient for carry out prefilter to waste water.

Drawings

FIG. 1 is a schematic view of a half-section structure of the present invention;

FIG. 2 is a sectional view of the structure of the case of the present invention;

fig. 3 is an enlarged schematic view of the structure of the area a in fig. 1.

The labels in the figure are: 1-box body, 2-liquid outlet pipe, 3-heater, 4-mounting seat, 5-acid and alkali sterilization barrel, 6-heating sleeve, 7-gas pipe, 8-liquid guide pipe, 9-cleaning box, 10-double-shaft motor, 11-rotating shaft, 12-first stirring rod, 13-cleaning plate, 14-waste liquid separation net, 15-second stirring rod, 16-liquid conveying pipe, 17-guide frame, 18-cover plate, 19-electrified coil, 20-spacing column, 21-liquid inlet pipe and 22-filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The waste water treatment equipment in the biological medicine research and development laboratory plans to adopt a process of 'neutralization + A/O + disinfection', and the technical core of the waste water lies in the technical line selection of A/O.

The COD of the wastewater inlet water is 1000-; the COD of the effluent is 30-60mg/L, and the BOD is 20-30 mg/L. Besides general pollutants, the biological laboratory sewage also contains various chemical substances, experimental medicines, radioactive wastewater and the like, so the biological laboratory sewage cannot reach the standard and can not be discharged, and the biological laboratory sewage can be discharged after being treated by professional biological laboratory sewage treatment equipment. The method of pH adjustment, coagulation aid and Fenton oxidation is used for treating the biological laboratory wastewater. Firstly, dilute H2SO4 (30%) is added as a pH regulator to reduce the pH of the wastewater to about 2, and the wastewater is stirred for preliminary sterilization; adding calcium oxide, and generating water-insoluble calcium dodecyl benzene sulfonate by utilizing a chemical reaction between sodium dodecyl benzene sulfonate and calcium oxide so as to facilitate the removal of LAS; suspended solids (SS, including newly generated calcium dodecylbenzenesulfonate), colloidal organic substances, a part of bacteria, viruses, and the like in the biological laboratory wastewater are removed by coagulating sedimentation. The utility model discloses in, the coagulating sedimentation specifically adopts polymeric acid aluminum ferric (PAFCS) as the coagulant, and Polyacrylamide (PAM) is as coagulant aid. Then, viruses, bacteria and the like still existing in the wastewater are oxidized by Fenton (Fenton) at a pH of about 2.5, and under the condition of acidic pH, the synergistic oxidation effect of hydroxyl radicals (. OH) is added, so that the bacteria, viruses, cancer cells and bioactive substances in the wastewater can be effectively killed, and the high oxidizing property of the. OH can be utilized, so that the removal rate of organic matters (expressed by CODcr) in the wastewater can be further improved. The method of the invention has no harmful disinfection by-products and is harmless to human body and environment. The pH value of the effluent is adjusted by calcium hydroxide (Ca (OH)2), and the effluent is precipitated, so that the aims of harmless treatment and standard discharge of the wastewater in a biological laboratory can be achieved.

Referring to fig. 1 and 2, the wastewater treatment equipment for the biological medicine research and development laboratory comprises a box body 1, a liquid outlet pipe 2 is fixedly installed on the right side of the bottom of the box body 1, the treated wastewater is convenient to discharge, a heater 3 is fixedly installed in the middle of the left wall of the box body 1, a mounting seat 4 is fixedly installed in the middle of the bottom end of the inner wall of the box body 1, an acid-base sterilization barrel 5 is conveniently limited and fixed on the mounting seat 4, the placing stability of the acid-base sterilization barrel 5 is improved, the acid-base sterilization barrel 5 is fixedly installed on the upper surface of the mounting seat 4, a heating sleeve 6 is sleeved on the outer wall of the acid-base sterilization barrel 5, the heating sleeve 6 is of a cavity structure, hot gas can be conveyed into the heating sleeve 6 through the matching of the heater 3 and the gas pipe 7, the acid-base sterilization barrel 5 is convenient to heat, the wastewater in the acid-base sterilization barrel 5, and the other end of the gas pipe 7 movably penetrates through the box body 1 to be connected with the heater 3.

Referring to fig. 1-3, a liquid guide tube 8 is fixedly installed above the inner wall of a box body 1, which is symmetrically distributed, so as to convey waste water to an acid-base sterilization barrel 5 through the liquid guide tube 8, a cleaning box 9 is installed above the box body 1, a double-shaft motor 10 is fixedly installed at the middle position of the cleaning box 9 and the box body 1, a rotating shaft 11 of the double-shaft motor 10 movably penetrates through the box body 1 and the cleaning box 9, a first stirring rod 12 is fixedly installed on the rotating shaft 11 inside the box body 1, so as to stir waste water in the acid-base sterilization barrel 5 and increase sterilization effect, a cleaning plate 13 is fixedly installed at the other end of the first stirring rod 12, the cleaning plate 13 is attached to the inner wall of the acid-base sterilization barrel 5, so as to stir waste water, and simultaneously clean the inner wall of the acid-base sterilization barrel 5, a waste liquid separation net 14 is fixedly installed at the inner sides of, play the filter action simultaneously, fixed mounting has second puddler 15 on being located the pivot 11 of cleaning box 9 inside, be convenient for stir the waste water in cleaning box 9, make waste water be in the mobile state, be convenient for carry out high-efficient processing to the metal in the waste water, the relative catheter 8's of lower surface fixed mounting of cleaning box 9 has transfer line 16, install the governing valve on drain pipe 2 and the transfer line 16, cleaning box 9's inner wall both sides fixed mounting has guide frame 17, and guide frame 17 extends to the position of transfer line 16 port department, be convenient for carry out the drainage to waste water.

Referring to fig. 1 and 3, apron 18 has been placed at the top of clearance case 9, the lower surface middle part fixed mounting of apron 18 has circular telegram coil 19, be convenient for adsorb the metal in the waste water and handle, the upper surface middle part fixed mounting of apron 18 has the pull ring, circular telegram coil 19 is connected with external power source through the wire, the lower surface both sides fixed mounting of apron 18 has spacing post 20, be convenient for peg graft spacing post 20 in the spacing groove that clearance case 9 top was seted up, can carry out spacing fixed to apron 18, the spacing groove has been seted up to the relative spacing post 20's in top of clearance case 9 position, and spacing post 20 pegs graft in the spacing groove, the left wall top through connection of clearance case 9 has feed liquor pipe 21, the internal thread connection of feed liquor pipe 21 has filter screen 22, be convenient for carry out prefilter to waste water.

The working principle is as follows:

in the application, the waste water treatment equipment in a biological medicine research and development laboratory plans to adopt a process of 'neutralization + A/O + disinfection', and the core lies in the technical circuit selection of A/O. The COD of the wastewater inlet water is 1000-; effluent COD is 30-60mg/L, BOD is 20-30mg/L, when handling waste water, close the governing valve on transfer line 16 and the drain pipe 2, open biax motor 10 and heater 3 this moment, get into waste water through feed liquor pipe 21, under the effect of filter screen 22, can carry out prefilter to waste water, waste water enters into cleaning box 9 this moment, biax motor 10 drives pivot 11 and rotates, second puddler 15 can stir the waste water in cleaning box 9 this moment, open circular coil 19, circular coil 19 can adsorb the metal in the waste water this moment.

In the application, the waste water treatment equipment in a biological medicine research and development laboratory plans to adopt a process of 'neutralization + A/O + disinfection', and the core lies in the technical circuit selection of A/O. The COD of the wastewater inlet water is 1000-; the COD of the effluent is 30-60mg/L, the BOD is 20-30mg/L, after the metal cleaning is finished, the adjusting valve on the infusion tube 16 is opened, at the moment, the waste water enters the liquid guide tube 8 through the infusion tube 16 and then enters the acid and alkali sterilizing barrel 5 through the liquid guide tube 8, at this time, the rotating shaft 11 drives the first stirring rod 12, the cleaning plate 13 and the waste liquid separation net 14 to rotate, the waste water can be stirred, meanwhile, the cleaning plate 13 can clean the inner wall of the acid-base sterilizing barrel 5, meanwhile, the heater 3 transmits heat to the heating sleeve 6 through the gas transmission pipe 7, at the moment, the heating sleeve 6 can heat the acid-base sterilizing barrel 5, so that the waste water in the acid-base sterilizing barrel 5 can be conveniently heated, can treat the bacteria in the wastewater, and after the wastewater treatment is finished, the regulating valve on the liquid outlet pipe 2 is opened, so that the treated wastewater can be discharged.

In this application, rotate filter screen 22, can take out filter screen 22, can clear up the filtrations on the filter screen 22 this moment, with the pull ring upwards pulling on the apron 18, spacing post 20 breaks away from with spacing groove production this moment, can take off apron 18, cuts off the power supply to the circular telegram coil 19 this moment, can clear up the metal on the circular telegram coil 19.

In the application, the waste water treatment equipment in the biological medicine research and development laboratory plans to adopt a process of 'neutralization + A/O + disinfection', and the technical core of waste water lies in the technical circuit selection of A/O.

The COD of the wastewater inlet water is 1000-; the COD of the effluent is 30-60mg/L, the BOD is 20-30mg/L, the sewage is firstly subjected to grating to remove larger floating objects and suspended matters, then the effluent enters an adjusting tank to homogenize the water quality and adjust the water quantity so as to reduce the impact on a subsequent treatment unit, and the effluent enters an A/O tank for biochemical treatment. The front end of the A/O pool is an anoxic zone, denitrifying bacteria carry out denitrification by utilizing a carbon source in inlet water under the anoxic condition, the aim of biological denitrification is achieved, and meanwhile, the organic load of sewage is reduced. The rear end is an aerobic zone, under the aerobic condition of aerobic microorganisms, the organic matters in the wastewater are adsorbed and oxidized and decomposed, and nitrifying bacteria oxidize ammonia nitrogen into nitrate nitrogen and nitrite nitrogen. Meanwhile, considering the limitation of biological phosphorus removal, chemical phosphorus removal needs to be carried out on the basis of biochemistry, a flocculating agent is added at the front section of a secondary sedimentation tank to precipitate phosphate in the wastewater, the phosphate is separated from the sewage through gravity precipitation, and the settled sludge is collected by a sludge tank and then is periodically pumped, discharged and transported. And performing sludge-water separation on the sewage in a secondary sedimentation tank after biochemical treatment, refluxing partial sludge to the anoxic tank, discharging residual sludge to the sludge tank, and allowing supernatant to enter an intermediate tank. And then the effluent enters a two-stage filter, namely sand filtration and active carbon filtration, so that suspended matters in the sewage are further removed, and the chromaticity of the effluent is removed to a certain extent. Is far superior to the indexes of DB 31/373-2010 of the discharge standard of pollutants in the biopharmaceutical industry and GB/T31962-2015 of the discharge standard of sewage into town sewers in Shanghai city.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. Biological medicine research and development laboratory waste water treatment equipment, including box (1), its characterized in that: the bottom right side fixed mounting of box (1) has drain pipe (2), the left wall middle part fixed mounting of box (1) has heater (3), the inner wall bottom middle part fixed mounting of box (1) has mount pad (4), the last fixed surface of mount pad (4) installs acid-base bucket (5) of disinfecting, the outer wall that acid-base bucket (5) of disinfecting has cup jointed heating jacket (6), and inside cavity structure that is of heating jacket (6), fixed mounting has gas-supply pipe (7) on heating jacket (6), and the other end activity of gas-supply pipe (7) runs through box (1) and is connected with heater (3).

2. The biopharmaceutical development laboratory wastewater treatment device of claim 1, wherein: the utility model discloses a cleaning box, including box (1), inner wall top fixed mounting of box (1) has liquid pipe (8) of symmetric distribution, the top of box (1) is provided with cleaning box (9), cleaning box (9) and the middle part position fixed mounting of box (1) have double-shaft motor (10), pivot (11) activity on double-shaft motor (10) runs through box (1) and cleaning box (9).

3. The biopharmaceutical development laboratory wastewater treatment device of claim 1 or 2, wherein: be located fixed mounting has first puddler (12) on inside pivot (11) of box (1), first puddler (12) other end fixed mounting has cleaning plate (13), and cleaning plate (13) laminate mutually with the inner wall of acid-base sterilization bucket (5), the inboard fixed mounting of first puddler (12) and cleaning plate (13) has waste liquid separation net (14).

4. The biopharmaceutical development laboratory wastewater treatment device of claim 2, wherein: be located fixed mounting has second puddler (15) on pivot (11) of cleaning box (9) inside, the relative position fixed mounting of catheter (8) of lower surface of cleaning box (9) has transfer line (16), install the governing valve on drain pipe (2) and transfer line (16), the inner wall both sides fixed mounting of cleaning box (9) has guide frame (17), and guide frame (17) extend to the position of transfer line (16) port department.

5. The biopharmaceutical development laboratory wastewater treatment device of claim 2, wherein: apron (18) have been placed at the top of clearance case (9), the lower surface middle part fixed mounting of apron (18) has circular telegram coil (19), the upper surface middle part fixed mounting of apron (18) has the pull ring, circular telegram coil (19) are connected with external power through the wire.

6. The biopharmaceutical development laboratory wastewater treatment device of claim 5, wherein: the lower surface both sides fixed mounting of apron (18) has spacing post (20), the spacing groove has been seted up to the relative spacing post (20) in top of clearance case (9) position, and just spacing post (20) are pegged graft in the spacing groove, the left wall top through connection of clearance case (9) has feed liquor pipe (21), the internal thread connection of feed liquor pipe (21) has filter screen (22).

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