CN216005508U - Laboratory waste liquid enrichment facility - Google Patents
Laboratory waste liquid enrichment facility Download PDFInfo
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- CN216005508U CN216005508U CN202121962959.5U CN202121962959U CN216005508U CN 216005508 U CN216005508 U CN 216005508U CN 202121962959 U CN202121962959 U CN 202121962959U CN 216005508 U CN216005508 U CN 216005508U
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Abstract
The utility model provides a laboratory waste liquid enrichment facility, belong to sewage treatment technical field, this kind of laboratory waste liquid enrichment facility is including adjusting the jar, the acid tank, the alkali jar, the pH meter, the liquid delivery pump, concentrated reactor and heater, the top at adjusting the jar is established to the pH meter, the acid of adjusting tank deck portion is connected to the acid tank adds the medicine mouth, the alkali of adjusting tank deck portion adds the medicine mouth is connected to the alkali jar, the inside of adjusting the jar is inserted to the one end of liquid delivery pipe, insert the inside of concentrated reactor behind the liquid delivery pump is connected to the other end, reactor fluid-discharge tube is connected to the leakage fluid dram of concentrated reactor right side lower part, concentrated reactor is put on the heater. The device adjusts the pH of the waste liquid to be treated to be neutral by arranging the adjusting tank, avoids generating acid mist and alkali mist in the subsequent heating and concentrating process, and avoids secondary pollution to the air. The concentrator is provided with a stirrer, so that the liquid to be concentrated is uniformly heated, and the bumping is prevented. Meanwhile, the device can reduce the volume of the concentrated waste liquid to 1/5, and greatly saves the disposal cost.
Description
Technical Field
The utility model relates to a laboratory waste liquid concentrating device, and belongs to the technical field of sewage treatment.
Background
At present, the laboratory waste liquid is used as a common dangerous waste liquid, the pollutant types are complex, the biological biodegradability is low, and the like. Unlike common waste liquid, the laboratory waste liquid usually contains high molecular organic polymer, strong acid, strong alkali, phenols, chromium metal and other pollutants. Meanwhile, the yield of the waste liquid in the laboratory is high, the concentration of various pollutants does not meet the purification standard, nor the direct discharge standard, and the cost is high if the waste liquid is directly sent to a third qualified unit for treatment. At present, many laboratories adopt simple heating methods for concentration, and acid mist and alkali mist can be generated in the heating process due to strong acid and strong alkali, and volatile organic compounds in waste liquid can be brought into the air by the mist droplets, so that serious pollution is caused.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a laboratory waste liquid concentration device which is respectively connected with an acid tank and an alkali tank through an adjusting tank, so that the economic cost can be reduced, and the secondary pollution generated in the concentration process can be effectively prevented.
The technical scheme adopted by the utility model is as follows: the utility model provides a laboratory waste liquid enrichment facility is including adjusting the jar, the acid tank, the alkali jar, the pH meter, the liquid delivery pump, concentrated reactor and heater, the top at the adjusting tank is established to the pH meter, the inside of adjusting the jar is inserted to the detection electrode of pH meter, the acid jar is through the sour medicine mouth that adds of first valve and first medicine pump connection adjusting tank deck portion, the alkali jar is through the alkali medicine mouth that adds that second valve and second medicine pump connection adjusting tank deck portion, the inside of adjusting the jar is inserted to the one end of liquid delivery pipe, the inside of inserting concentrated reactor behind the liquid delivery pump is connected to the other end, the top of concentrated reactor sets up the gas vent, inside sets up the agitator, the leakage fluid dram of right lower part passes through flowing back valve connection reactor fluid-discharge tube, concentrated reactor is put on the heater.
The heater adopts an electric heater or an oil bath heating pan.
The utility model has the beneficial effects that: the utility model provides a laboratory waste liquid enrichment facility is including adjusting the jar, the acid tank, the alkali jar, the pH meter, the liquid delivery pump, concentrated reactor and heater, the top at the adjusting tank is established to the pH meter, the inside of adjusting the jar is inserted to the pH sensor of pH meter, the acid jar is through the sour medicine mouth that adds of first valve and first medicine pump connection adjusting tank deck portion, the alkali jar is through the alkali medicine mouth that adds that second valve and second medicine pump connection adjusting tank deck portion, the inside of adjusting the jar is inserted to the one end of liquid delivery pipe, the inside of inserting concentrated reactor behind the liquid delivery pump is connected to the other end, the top of concentrated reactor sets up the gas vent, inside sets up the agitator, the leakage fluid dram of right lower part passes through flowing back valve connection reactor fluid-discharge tube, concentrated reactor is put on the heater. The device can reduce the volume to former volume 1/5 after the waste liquid is concentrated, practices thrift the processing cost by a wide margin, can thoroughly solve the problem that the heating process produced acid mist alkali fog simultaneously, effectively prevents the secondary pollution that the concentration process produced. The stirrer is arranged in the concentrator, so that the liquid to be concentrated is uniformly heated, and the bumping is prevented.
Drawings
FIG. 1 is a schematic diagram of a laboratory waste liquid concentrating apparatus.
In the figure: 1. The system comprises an adjusting tank, a liquid inlet, a liquid outlet, an acid tank, a first valve, a first dosing pump, a second dosing pump, a base tank, a second valve, a second dosing pump, a pH meter, a liquid conveying pipe, a liquid conveying pump, a concentration reactor, a stirrer, a liquid discharging valve, a gas outlet, a reactor liquid discharging pipe, a heater and a liquid discharging pipe.
Detailed Description
The utility model is described below with reference to the accompanying drawings and the detailed description:
fig. 1 shows a schematic structural diagram of a laboratory waste liquid concentrating apparatus. In the figure, the laboratory waste liquid concentrating device comprises a regulating tank 1, an acid tank 2 and an alkali tank 3, pH meter 4, liquid delivery pump 5a, concentrated reactor 6 and heater 7, pH meter 4 establishes at the top of adjusting tank 1, pH meter 4's detection electrode inserts the inside of adjusting tank 1, acid tank 2 connects the sour medicine mouth that adds at adjusting tank 1 top through first valve 2a and first medicine pump 2b, alkali jar 3 connects the alkali that adjusts tank 1 top through second valve 3a and second medicine pump 3b and adds the medicine mouth, the inside of adjusting tank 1 is inserted to the one end of liquid delivery pipe 5, the inside of inserting concentrated reactor 6 behind the liquid delivery pump 5a is connected to the other end, the top of concentrated reactor 6 sets up gas vent 6c, inside sets up agitator 6a, the leakage fluid dram of right lower part passes through flowing back valve 6b and connects reactor fluid-discharge tube 6d, concentrated reactor 6 is put on heater 7. The heater 7 adopts an electric heater or an oil bath heating pan.
This kind of laboratory waste liquid enrichment facility's working process pours the experimental waste liquid of treating concentration into adjusting tank 1 from the inlet 1a of adjusting tank 1 into, starts pH meter 4, if the numerical value of pH meter 4 is greater than 7, then opens first valve 2a, opens first dosing pump 2b, adjusts the pH in adjusting tank 1 to neutral, closes first valve 2a and first dosing pump 2 b. If the value of the pH meter 4 is less than 7, the second valve 3a is opened, the second dosing pump 3b is started, and the pH in the adjusting tank 1 is adjusted to be neutral. After the pH value in the adjusting tank 1 is neutral, the liquid delivery pump 5a is started, the waste liquid is pumped into the concentrator 6 by the liquid delivery pump 5a through the liquid delivery pipe 5, and after the waste liquid in the adjusting tank 1 is pumped out, the pH meter 4 and the liquid delivery pump 5a are all closed. Then, the stirrer 6a and the heater 7 are turned on, the water vapor is discharged from the exhaust port 6c, and the heater 7 is turned off after the volume of the waste liquid in the concentrator 6 has decreased to the original volume 1/5. And after the waste liquid is cooled to the normal temperature, the liquid discharge valve 6b at the lower right part of the concentrator 6 is opened, the concentrated waste liquid flows out from the concentrated liquid discharge pipe 6d of the concentrator 6, and the concentrated waste liquid is sent to a third qualified unit for treatment after being contained.
Claims (2)
1. A laboratory waste liquid concentrating device comprises an adjusting tank (1), an acid tank (2) and an alkali tank (3), and is characterized by further comprising a pH meter (4), a liquid delivery pump (5 a), a concentrating reactor (6) and a heater (7), wherein the pH meter (4) is arranged at the top of the adjusting tank (1), a detection electrode of the pH meter (4) is inserted into the adjusting tank (1), the acid tank (2) is connected with an acid dosing port at the top of the adjusting tank (1) through a first valve (2 a) and a first dosing pump (2 b), the alkali tank (3) is connected with an alkali dosing port at the top of the adjusting tank (1) through a second valve (3 a) and a second dosing pump (3 b), one end of the liquid delivery pipe (5) is inserted into the adjusting tank (1), the other end of the liquid delivery pipe is connected with the liquid delivery pump (5 a) and then inserted into the concentrating reactor (6), and an exhaust port (6 c) is arranged at the top of the concentrating reactor (6), a stirrer (6 a) is arranged in the reactor, a liquid outlet at the lower right part is connected with a reactor liquid outlet pipe (6 d) through a liquid outlet valve (6 b), and the concentration reactor (6) is placed on a heater (7).
2. The laboratory waste liquid concentrator according to claim 1, wherein the heater (7) is an electric heater or an oil bath heating pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962959.5U CN216005508U (en) | 2021-08-20 | 2021-08-20 | Laboratory waste liquid enrichment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962959.5U CN216005508U (en) | 2021-08-20 | 2021-08-20 | Laboratory waste liquid enrichment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216005508U true CN216005508U (en) | 2022-03-11 |
Family
ID=80594289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121962959.5U Active CN216005508U (en) | 2021-08-20 | 2021-08-20 | Laboratory waste liquid enrichment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216005508U (en) |
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2021
- 2021-08-20 CN CN202121962959.5U patent/CN216005508U/en active Active
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