CN204689833U - A kind of Laboratory Waste Water Treatment system - Google Patents

A kind of Laboratory Waste Water Treatment system Download PDF

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Publication number
CN204689833U
CN204689833U CN201520326039.2U CN201520326039U CN204689833U CN 204689833 U CN204689833 U CN 204689833U CN 201520326039 U CN201520326039 U CN 201520326039U CN 204689833 U CN204689833 U CN 204689833U
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China
Prior art keywords
pipeline
water
water pump
basin
settling tank
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Expired - Fee Related
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CN201520326039.2U
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Chinese (zh)
Inventor
孔峰
张晓叶
程洁红
高永�
路娟娟
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Jiangsu University of Technology
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Jiangsu University of Technology
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Abstract

The utility model discloses a kind of Laboratory Waste Water Treatment system, comprise inorganic wastewater processing unit and treatment of Organic Wastewater unit, described inorganic wastewater processing unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank, ultrafiltration pond, electrolyzer and electrodialytic cell, described treatment of Organic Wastewater unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank and MBR pond, the water collecting basin that inorganic wastewater processing unit is connected by pipeline and pump successively with treatment of Organic Wastewater units shared, regulate coagulation basin, settling tank.Laboratory Waste Water Treatment system cloud gray model flexible operation of the present utility model, just can realize the process of inorganic wastewater and the process of organic waste water respectively by simply regulating.

Description

A kind of Laboratory Waste Water Treatment system
Technical field
The utility model relates to a kind of wastewater treatment equipment, is specifically related to a kind of Laboratory Waste Water Treatment system.
Background technology
Laboratory waste water is mainly from scientific research and the school duty room of each R&D institution's experimental study room and institution of higher learning.Laboratory waste water has himself special property: amount less, strong, the high harm of discontinuity and complicated component changeable.
According to the kind of principal pollutant contained in waste water, laboratory waste water can be divided into laboratory inorganic wastewater and the large class of organic waste water two.Main containing heavy metal, heavy metal complex, soda acid, prussiate, sulfide, halide-ions and other mineral ions etc. in inorganic wastewater; Organic waste water contains conventional organic solvent, organic acid, ethers, polychlorobiphenyl, organo phosphorous compounds, phenols, petroleum-type, oil substances.Comparatively speaking, organic waste water than inorganic wastewater pollute wider, the harm brought is more serious.Different waste water is due to pollutent composition difference, and treatment process and degree are not identical yet.Laboratory waste water is directly discharged and certainly will be polluted the domestic water of people and living environment, therefore finds a kind of economy, efficient, energy-saving and environmental protection, applicable Laboratory wastewater treatment technology are very urgent.
Chinese patent literature CN 103739149(application number 201310568639.5) disclose a kind of Laboratory wastewater treatment technology, comprise sewage disposal and sludge treatment, wherein during sewage disposal, laboratory waste water enters artificial grid and filters out impurities, after enter equalizing tank, submersible stirring pump is established in equalizing tank, by stirring action, laboratory waste water homogeneous is all measured, then neutralization precipitation device is entered by lift pump lifting sewage, acid adding or alkali adjust ph, add flocculation agent coagulating sedimentation heavy-metal ion removal again, water outlet after coagulating sedimentation enters SBR pond, the water outlet of SBR pond is by blowoff basin qualified discharge, filtrate is back to equalizing tank.Above-mentioned sewage water treatment method adopts SBR technique, because SBR process operation feature, solid-liquid separation is abundant not, and technique can not reclaim valuable metal.
Chinese patent literature CN 104496087 A(application number 201410680728.3) disclose a kind of Laboratory Waste Water Treatment system, comprise pretreatment unit, acid-alkali accommodation unit, concentrate reaction member, precipitate and separate unit, deep purifying unit; Pretreatment unit is light electrolysis unit, waste water for filtering needs carries out pre-treatment, acid-alkali accommodation unit is used for the character completing waste water according to described pretreatment unit process, in waste water, add reactive material react, the waste water after concentrating acid-alkali accommodation cell processing in reaction member to complete reacts wherein; Concentrate the waste water after having reacted in reaction member to precipitate in precipitate and separate unit, deep purifying unit is used for carrying out filtering the impurity removed in waste water to waste water further.Above-mentioned Laboratory Waste Water Treatment system is applicable to the inorganic wastewater for the treatment of lab, is not suitable for the organic waste water for the treatment of lab.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of change simple, can the Laboratory Waste Water Treatment system for the treatment of lab inorganic wastewater and organic waste water.
The technical scheme realizing the utility model object is a kind of Laboratory Waste Water Treatment system, comprise inorganic wastewater processing unit and treatment of Organic Wastewater unit, described inorganic wastewater processing unit comprises the water collecting basin connected successively by pipeline, regulate coagulation basin, settling tank, ultrafiltration pond, electrolyzer and electrodialytic cell, described treatment of Organic Wastewater unit comprises the water collecting basin connected successively by pipeline, regulate coagulation basin, settling tank and MBR pond, the water collecting basin that inorganic wastewater processing unit is connected by pipeline and pump successively with treatment of Organic Wastewater units shared, regulate coagulation basin, settling tank.
The top of above-mentioned adjustment coagulation basin is provided with dog-house, acid solution tank and alkali liquid tank, and dog-house is used for adding flocculation agent; The liquid outlet of acid solution tank, by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, stores acid in acid solution tank; The liquid outlet of alkali liquid tank, by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, stores alkali lye in alkali liquid tank.
Regulate coagulation basin to be also provided with pH real-time monitor, the detection termination of monitor is immersed in and regulates in coagulation basin in liquid, and the data presentation portion of monitor is positioned at and regulates coagulation basin outside.
Pipeline between described water collecting basin and adjustment coagulation basin is provided with the first water pump, and the water-in of the first water pump is communicated with the lower end liquid outlet of water collecting basin by pipeline, and the water outlet of the first water pump is connected with regulating the upper end fluid inlet of coagulation basin by pipeline; Regulate the pipeline between coagulation basin and settling tank to be provided with the second water pump, the water-in of the second water pump is communicated with regulating the lower end liquid outlet of coagulation basin by pipeline, and the water outlet of the second water pump is connected with the upper end fluid inlet of settling tank by pipeline.
Be provided with immersion curtain type membrane in described ultrafiltration pond, and be provided with Liquid level position in ultrafiltration pond; Pipeline between settling tank and ultrafiltration pond is provided with the 3rd water pump, and the water-in of the 3rd water pump is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump is connected with the upper end fluid inlet in ultrafiltration pond by pipeline.
Pipeline between the water outlet of the 3rd water pump and the upper end fluid inlet in ultrafiltration pond comprises main pipeline and the first small transfer line, and the first small transfer line is provided with valve.
The MBR pond film used of described treatment of Organic Wastewater unit is immersion curtain type membrane, and MBR pond is provided with Liquid level position.
Pipeline between settling tank and MBR pond is provided with the 3rd water pump, and the water-in of the 3rd water pump is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump is connected by the fluid inlet of pipeline with MBR pond; The Liquid level position arranged in MBR pond controls the 3rd water pump.
Pipeline between the water outlet of the 3rd water pump and the upper end fluid inlet in MBR pond comprises main pipeline and the second small transfer line, and the second small transfer line is provided with valve.
Above-mentioned main pipeline is connected by a threeway with the first small transfer line, the second small transfer line.
The utility model has positive effect: Laboratory Waste Water Treatment system cloud gray model flexible operation of the present utility model, just can realize the process of inorganic wastewater and the process of organic waste water respectively by simply regulating; When needing waste water to be processed to be organic waste water, waste water can discharge enter the process of MBR pond after overregulating coagulation basin and settling tank after; When needing waste water to be processed to be inorganic wastewater, waste water completes process through ultrafiltration, electrolyzer and electrodialytic cell and reaches emission standard after overregulating coagulation basin and settling tank; Inorganic wastewater and organic waste water are after overregulating coagulation basin and settling tank pre-treatment, treatment channel easy switching used when being further processed, close the valve for the treatment of of Organic Wastewater passage during process inorganic wastewater, during process organic waste water, close inorganic wastewater treatment channel valve.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Laboratory Waste Water Treatment system of the present utility model;
Mark in above-mentioned accompanying drawing is as follows: the first water pump 1, second water pump the 2, three water pump 3.
Embodiment
(embodiment 1)
See Fig. 1, the Laboratory Waste Water Treatment system of the present embodiment comprises inorganic wastewater processing unit and treatment of Organic Wastewater unit.
Described inorganic wastewater processing unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank, ultrafiltration pond, electrolyzer and electrodialytic cell.
Water collecting basin is for collecting combined experiments room waste water.
Regulate the top of coagulation basin to be provided with dog-house, acid solution tank and alkali liquid tank, dog-house is used for adding flocculation agent.The liquid outlet of acid solution tank is by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, and storing acid in acid solution tank, is the hydrochloric acid of 10% in the present embodiment; The liquid outlet of alkali liquid tank is by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, and storing alkali lye in alkali liquid tank, is the sodium hydroxide of 10% in the present embodiment.
Regulate coagulation basin to be also provided with pH real-time monitor, the detection termination of monitor is immersed in and regulates in coagulation basin in liquid, and the data presentation portion of monitor is positioned at and regulates coagulation basin outside.
Water collecting basin and the water-in regulating the pipeline between coagulation basin to be provided with the first water pump 1, first water pump 1 are communicated with the lower end liquid outlet of water collecting basin by pipeline, and the water outlet of the first water pump 1 is connected with regulating the upper end fluid inlet of coagulation basin by pipeline.
Settling tank is used for staticly settling of waste water, and bottom is provided with sludge outlet.
The water-in regulating the pipeline between coagulation basin and settling tank to be provided with the second water pump 2, second water pump 2 is communicated with regulating the lower end liquid outlet of coagulation basin by pipeline, and the water outlet of the second water pump 2 is connected with the upper end fluid inlet of settling tank by pipeline.
Be provided with immersion curtain type membrane in ultrafiltration pond, and be provided with Liquid level position in ultrafiltration pond.
The water-in that pipeline between settling tank and ultrafiltration pond is provided with the 3rd water pump the 3, three water pump 3 is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump 3 is connected with the upper end fluid inlet in ultrafiltration pond by pipeline.The Liquid level position arranged in ultrafiltration pond controls the 3rd water pump 3, and when in pond, liquid level drops to set(ting)value, the 3rd water pump 3 is opened, and is delivered in ultrafiltration pond by the water in settling tank.
Pipeline between the water outlet of the 3rd water pump 3 and the upper end fluid inlet in ultrafiltration pond comprises main pipeline and the first small transfer line, and the first small transfer line is provided with valve.
In electrolyzer, electrode is suspension type, and adopt stainless steel electrode, power supply used is D.C. regulated power supply.
Electrodialytic cell is two-stage two-part, and wherein ion-exchange membrane adopts heterogeneous membrane, and separator material is polyvinyl chloride; The electrode materials used is the graphite after paraffin wax dip treating, and treatment capacity is 100L/h, and ratio of desalinization can reach more than 90%.Concentrate recirculation pipeline is provided with, for the concentrate recirculation in electrodialytic cell in electrolyzer between electrodialytic cell and electrolyzer.
Described treatment of Organic Wastewater unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank and MBR pond.
The water collecting basin for the treatment of of Organic Wastewater unit is identical with the water collecting basin of inorganic wastewater processing unit, the adjustment coagulation basin for the treatment of of Organic Wastewater unit is identical with the adjustment coagulation basin of inorganic wastewater processing unit, and the settling tank for the treatment of of Organic Wastewater unit is identical with the settling tank of inorganic wastewater processing unit.Corresponding, pipeline between the water collecting basin for the treatment of of Organic Wastewater unit and adjustment coagulation basin is provided with the first water pump 1, regulate the pipeline between coagulation basin and settling tank to be provided with the second water pump 2, namely inorganic wastewater processing unit be connected successively by pipeline and pump with treatment of Organic Wastewater units shared water collecting basin, regulate coagulation basin, settling tank.
The MBR pond film used for the treatment of of Organic Wastewater unit is immersion curtain type membrane, and MBR pond is provided with Liquid level position.
The water-in that pipeline between settling tank and MBR pond is provided with the 3rd water pump the 3, three water pump 3 is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump 3 is connected by the fluid inlet of pipeline with MBR pond.The Liquid level position arranged in MBR pond controls the 3rd water pump 3, and when in pond, liquid level drops to set(ting)value, the 3rd water pump 3 is opened, and is delivered in MBR pond by the water in settling tank.
Pipeline between the water outlet of the 3rd water pump 3 and the upper end fluid inlet in MBR pond comprises main pipeline and the second small transfer line, and the second small transfer line is provided with valve.Described main pipeline is connected by a threeway with the first small transfer line, the second small transfer line.
(application examples 1)
Should the copper-containing wastewater of the discharge of the Waste Water Treatment process laboratory described in embodiment 1 be used to be about 500L, index by use-case: pH=1.5, Cu 2+=110mg/L.
Treating processes is as follows:
Copper-containing wastewater collects mixing in water collecting basin, mixed waste water delivers into adjustment flocculation basin by the first water pump 1, according to the pH value of waste water, alkali lye is added in adjustment flocculation basin, regulate wastewater pH to be (being 8 ~ 8.5 in the present embodiment) after weakly alkaline, add flocculation agent 10% PAFS from regulating the upper end opening for feed of flocculation basin and carry out coagulating treatment.After 20 minutes, open the second water pump 2, waste water is delivered into settling tank, settling tank bottom collection mud from adjustment flocculation basin; Now close the valve led on the pipeline of MBR pond, open towards the valve on the pipeline of ultrafiltration pond, waste water after precipitation delivers into ultrafiltration pond by the 3rd water pump 3, collect the fresh water obtained to arrange outward, the dense water flowed out from ultrafiltration pond enters electrolyzer, a class heavy metal such as copper, silver is removed in electrolysis, and the dense water of electrolyzer outflow enters electrodialytic cell; Electrodialytic cell gained fresh water is arranged outward, and in the concentrate recirculation obtained to electrolyzer, heavy metal is collected in electrolysis again.After being disposed, detecting the fresh water pH value flowed out from electrodialytic cell is 7.4, Cu 2+=0.001mg/L, collection obtains copper and is about 55g.
(application examples 2)
Should the nickel-containing waste water of the discharge of the Waste Water Treatment process laboratory described in embodiment 1 be used to be about 2000L, index by use-case: pH=2.3, Ni 2+=340mg/L.
Treatment process is identical with application examples 1, and detecting the fresh water pH value flowed out from electrodialytic cell after being disposed is 8.5, Ni 2+=0.0012mg/L, collection obtains nickel and is about 650g.
(application examples 3)
Should the low-concentration organic waste water of the discharge of the Waste Water Treatment process laboratory described in embodiment 1 be used to be about 800L, the pH=4.7 of waste water, COD=450 mg/L, BOD=150 mg/L, SS=280 mg/L by use-case.
Treating processes is as follows:
Low-concentration organic waste water collects mixing in water collecting basin, mixed waste water delivers into adjustment flocculation basin by the first water pump 1, according to the pH value of waste water, alkali lye is added in adjustment flocculation basin, regulate wastewater pH to be (being 6.5 ~ 6.9 in the present embodiment) after slightly acidic, add flocculation agent 10% PAFS from regulating the upper end opening for feed of flocculation basin and carry out coagulating treatment.After 20 minutes, open the second water pump 2, waste water is delivered into settling tank, settling tank bottom collection mud from adjustment flocculation basin; Now open towards the valve on the pipeline of MBR pond, close the valve led on the pipeline of ultrafiltration pond, the waste water after precipitation delivers into MBR pond by the 3rd water pump 3 and processes, and processes the fresh water obtained and arranges outward, complete the process of low-concentration organic waste water.After being disposed, detecting fresh water pH value is pH=6.8, COD≤40mg/L, BOD≤15mg/L, SS≤15mg/L.

Claims (6)

1. a Laboratory Waste Water Treatment system, it is characterized in that: comprise inorganic wastewater processing unit and treatment of Organic Wastewater unit, described inorganic wastewater processing unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank, ultrafiltration pond, electrolyzer and electrodialytic cell, described treatment of Organic Wastewater unit comprise connected successively by pipeline water collecting basin, regulate coagulation basin, settling tank and MBR pond, the water collecting basin that inorganic wastewater processing unit is connected by pipeline and pump successively with treatment of Organic Wastewater units shared, regulate coagulation basin, settling tank.
2. Laboratory Waste Water Treatment system according to claim 1, is characterized in that: regulate the top of coagulation basin to be provided with dog-house, acid solution tank and alkali liquid tank, dog-house is used for adding flocculation agent; The liquid outlet of acid solution tank, by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, stores acid in acid solution tank; The liquid outlet of alkali liquid tank, by the intracavity inter-connection of pipeline and magnetic valve and adjustment coagulation basin, stores alkali lye in alkali liquid tank;
Regulate coagulation basin to be also provided with pH real-time monitor, the detection termination of monitor is immersed in and regulates in coagulation basin in liquid, and the data presentation portion of monitor is positioned at and regulates coagulation basin outside.
3. Laboratory Waste Water Treatment system according to claim 2, it is characterized in that: the pipeline between water collecting basin and adjustment coagulation basin is provided with the first water pump (1), the water-in of the first water pump (1) is communicated with the lower end liquid outlet of water collecting basin by pipeline, and the water outlet of the first water pump (1) is connected with regulating the upper end fluid inlet of coagulation basin by pipeline; The pipeline between coagulation basin and settling tank is regulated to be provided with the second water pump (2), the water-in of the second water pump (2) is communicated with regulating the lower end liquid outlet of coagulation basin by pipeline, and the water outlet of the second water pump (2) is connected with the upper end fluid inlet of settling tank by pipeline.
4. Laboratory Waste Water Treatment system according to claim 3, is characterized in that: be provided with immersion curtain type membrane in ultrafiltration pond, and is provided with Liquid level position in ultrafiltration pond; Pipeline between settling tank and ultrafiltration pond is provided with the 3rd water pump (3), and the water-in of the 3rd water pump (3) is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump (3) is connected with the upper end fluid inlet in ultrafiltration pond by pipeline;
Pipeline between the water outlet of the 3rd water pump (3) and the upper end fluid inlet in ultrafiltration pond comprises main pipeline and the first small transfer line, and the first small transfer line is provided with valve.
5. Laboratory Waste Water Treatment system according to claim 3, is characterized in that: the MBR pond film used for the treatment of of Organic Wastewater unit is immersion curtain type membrane, and MBR pond is provided with Liquid level position;
Pipeline between settling tank and MBR pond is provided with the 3rd water pump (3), and the water-in of the 3rd water pump (3) is communicated with the lower end liquid outlet of settling tank by pipeline, and the water outlet of the 3rd water pump (3) is connected by the fluid inlet of pipeline with MBR pond; The Liquid level position arranged in MBR pond controls the 3rd water pump (3);
Pipeline between the water outlet of the 3rd water pump (3) and the upper end fluid inlet in MBR pond comprises main pipeline and the second small transfer line, and the second small transfer line is provided with valve.
6. the Laboratory Waste Water Treatment system according to claim 4 or 5, is characterized in that: described main pipeline is connected by a threeway with the first small transfer line, the second small transfer line.
CN201520326039.2U 2015-05-19 2015-05-19 A kind of Laboratory Waste Water Treatment system Expired - Fee Related CN204689833U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105540953A (en) * 2016-01-06 2016-05-04 江苏大学 Electrolysis-electrodialysis composite water treatment device
CN107746124A (en) * 2017-11-17 2018-03-02 长沙翼希网络科技有限公司 Laboratory integration Waste Water Treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105540953A (en) * 2016-01-06 2016-05-04 江苏大学 Electrolysis-electrodialysis composite water treatment device
CN107746124A (en) * 2017-11-17 2018-03-02 长沙翼希网络科技有限公司 Laboratory integration Waste Water Treatment

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Address after: No. 1801 Zhong Wu Avenue, Changzhou, Jiangsu Province, Jiangsu

Patentee after: Jiangsu University of Technology

Address before: 213001 1801 Zhong Wu Avenue, Zhong Lou District, Changzhou, Jiangsu

Patentee before: Jiangsu University of Technology

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151007

Termination date: 20180519

CF01 Termination of patent right due to non-payment of annual fee