CN214654297U - Pharmacy effluent treatment plant based on subcritical oxidation technique - Google Patents
Pharmacy effluent treatment plant based on subcritical oxidation technique Download PDFInfo
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- CN214654297U CN214654297U CN202120153521.6U CN202120153521U CN214654297U CN 214654297 U CN214654297 U CN 214654297U CN 202120153521 U CN202120153521 U CN 202120153521U CN 214654297 U CN214654297 U CN 214654297U
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 19
- 230000003647 oxidation Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title description 12
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 17
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 230000001590 oxidative effect Effects 0.000 claims abstract description 5
- 239000002912 waste gas Substances 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 description 10
- 239000010802 sludge Substances 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Abstract
The utility model provides a pharmaceutical wastewater treatment device based on subcritical oxidation technology, which comprises a batching tank, a filter, a high-pressure pump, a heat-conducting oil heat exchanger, a reaction tank, a cooler, a gas-liquid separator, an air compressor and an air buffer tank; the output of batching jar is connected with the input of filter, the output of filter is connected with the input of high-pressure pump, the output of high-pressure pump is connected with the input of conduction oil heat exchanger, conduction oil heat exchanger's output is connected with the input of retort, the output of retort is connected with the input of cooler, the output of cooler is connected with vapour and liquid separator's input, vapour and liquid separator includes waste gas output and oxidizing liquid output, the air gets into from air compressor's input, air compressor's output is connected with the input of air buffer tank, the output of air buffer tank is connected with conduction oil heat exchanger's input, the output of air buffer tank is connected with the input of retort.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, especially, relate to a pharmacy effluent treatment plant based on subcritical oxidation technique.
Background
The pharmaceutical wastewater has the characteristics of high organic matter content, more toxic substances, more substances difficult to biodegrade and high salinity, and is industrial wastewater with great harm.
The aerobic biological treatment technology is one of the most common pharmaceutical wastewater treatment technologies, and mainly comprises a common activated sludge process, a sequencing batch activated sludge process, a membrane bioreactor and the like. The cost of the conventional activated sludge process is low and mainly depends on the temperature and Hydraulic Retention Time (HRT), but organic matters have an influence on the efficiency of the activated sludge process, and COD, BOD, pH and the presence of non-biodegradable substances are factors influencing the efficiency.
The Fenton reagent treatment method has a good effect of removing refractory organic matters which are difficult to take out from traditional wastewater, but the concentration of Fe2+ is high, the treated water is possibly colored, the pH value needs to be adjusted to be within a range of 3-5, certain difficulty possibly exists in treatment of certain pharmaceutical wastewater, the amount of iron sludge is large, the amount of generated sludge is increased, and the treatment cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing a pharmaceutical wastewater treatment device based on subcritical oxidation technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pharmaceutical wastewater treatment device based on a subcritical oxidation technology comprises a dosing tank, a filter, a high-pressure pump, a heat-conducting oil heat exchanger, a reaction tank, a cooler, a gas-liquid separator, an air compressor and an air buffer tank; wastewater enters from the input end of the batching tank, the output end of the batching tank is connected with the input end of the filter, the output end of the filter is connected with the input end of the high-pressure pump, the output end of the high-pressure pump is connected with the input end of the heat-conducting oil heat exchanger, the output end of the heat conducting oil heat exchanger is connected with the input end of the reaction tank, the output end of the reaction tank is connected with the input end of the cooler, the output end of the cooler is connected with the input end of the gas-liquid separator, the gas-liquid separator comprises a waste gas output end and an oxidizing liquid output end, air enters from the input end of the air compressor, the output end of the air compressor is connected with the input end of the air buffer tank, the output end of the air buffer tank is connected with the input end of the heat-conducting oil heat exchanger, and the output end of the air buffer tank is connected with the input end of the reaction tank.
Preferably, the pharmaceutical wastewater treatment device further comprises a cleaning device, the cleaning device comprises a cleaning liquid inlet, the output end of the cleaning device is connected with the oxidation liquid output end of the gas-liquid separator, and the input end of the cleaning device is connected with the input end of the heat transfer oil heat exchanger.
Preferably, the pharmaceutical wastewater treatment device further comprises a biomembrane hanging piece reactor, wherein the input end of the biomembrane hanging piece reactor is connected with the output end of the heat-conducting oil heat exchanger, and the output end of the biomembrane hanging piece reactor is connected with the input end of the reaction tank.
Preferably, the reaction tank is provided with a temperature detector, the temperature detector comprises a long-strip-shaped temperature measuring end, the temperature measuring end is arranged from the top end to the bottom end inside the reaction tank, and the upper part, the middle part and the lower part of the temperature measuring end are respectively provided with a temperature detecting element.
After the technical scheme is adopted, the utility model has the advantages of as follows:
this pharmacy effluent treatment plant adopts subcritical oxidation technique, can solve into water salinity, high concentration organic matter to equipment scale deposit, block up the problem, and waste water need not to soften, need not to reduce the salinity and can handle, and macromolecular substance can be oxidized into the micromolecular substance, and poisonous and harmful substance turns into nontoxic and harmless substance, and the vast majority of organic matter can be handled and be converted into substance stable state such as CO2 and H2O.
Drawings
Fig. 1 is a schematic structural diagram of a pharmaceutical wastewater treatment device based on subcritical oxidation technology;
fig. 2 is a schematic view of a connection structure of a pharmaceutical wastewater treatment device based on subcritical oxidation technology;
in the figure:
1-a control cabinet; 2-a batching tank; 3-a filter; 5-an air compressor; 6-a high-pressure pump; 7-air buffer tank; 8-a heat transfer oil heat exchanger; 9-a heat transfer oil heater; 10-biofilm hanging reactor; 11-a reaction tank; 12-a cooler; 13-a cooling tower; 14-a gas-liquid separator; 17-cleaning device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a pharmaceutical wastewater treatment device based on subcritical oxidation technology comprises a control cabinet 1, a dosing tank 2, a filter 3, a high-pressure pump 6, a heat transfer oil heat exchanger 8, a reaction tank 11, a cooler 12, a gas-liquid separator 14, an air compressor 5 and an air buffer tank 7.
Waste water is followed the input of batching jar 2 gets into, the output of batching jar 2 with the input of filter 3 is connected. The output end of the filter 3 is connected with the input end of the high-pressure pump 6, and the output end of the high-pressure pump 6 is connected with the input end of the heat-conducting oil heat exchanger 8. The output end of the heat conducting oil heat exchanger 8 is connected with the input end of the reaction tank 11, and the output end of the reaction tank 11 is connected with the input end of the cooler 12. The heat conducting oil heat exchanger 8 is connected with a heat conducting oil heater 9 for heating heat conducting oil. The output end of the cooler 12 is connected with the input end of the gas-liquid separator 14, and the gas-liquid separator 14 comprises an exhaust gas output end and an oxidizing liquid output end. A cooling tower 13 is connected to the cooler 12.
The air enters from the input end of the air compressor 5, the output end of the air compressor 5 is connected with the input end of the air buffer tank 7, the output end of the air buffer tank 7 is connected with the input end of the heat-conducting oil heat exchanger 8, and the output end of the air buffer tank 7 is connected with the input end of the reaction tank 11.
The pharmaceutical wastewater treatment device further comprises a biomembrane hanging piece reactor 10, wherein the input end of the biomembrane hanging piece reactor 10 is connected with the output end of the heat transfer oil heat exchanger 8, and the output end of the biomembrane hanging piece reactor 10 is connected with the input end of the reaction tank 11.
The method comprises the steps of firstly enabling pharmaceutical wastewater to enter a dosing tank 2, adjusting the quality and the quantity of the wastewater, then pressurizing to 2-7.5MPa through a high-pressure pump 6, simultaneously compressing air, mixing the compressed air and the wastewater before entering a heat-conducting oil heat exchanger 8, then entering the heat-conducting oil heat exchanger 8, heating to 200-270 ℃, then entering a reaction tank 11 for subcritical oxidation reaction, cooling the reacted wastewater through a cooler 12, and finally performing gas-liquid separation through a gas-liquid separator 14 to obtain an oxidation liquid and discharging gas according to the standard.
The pharmaceutical wastewater treatment device further comprises a cleaning device 17, the cleaning device 17 comprises a cleaning liquid inlet, the output end of the cleaning device 17 is connected with the oxidizing liquid output end of the gas-liquid separator 14, and the input end of the cleaning device 17 is connected with the input end of the heat transfer oil heat exchanger 8.
The reaction tank 11 is provided with a temperature detector, the temperature detector comprises a long-strip-shaped temperature measuring end, the temperature measuring end is arranged from the top end to the bottom end inside the reaction tank 11, and the upper portion, the middle portion and the lower portion of the temperature measuring end are respectively provided with a temperature detecting element. In the embodiment, the data acquisition mode and the form of the reaction tank are innovatively designed, so that the real test data can be fed back more accurately: the reactor of this set of device has set up 3 temperature-detecting element, because this set of device design is compact, so to traditional temperature-detecting instrument, has carried out some improvements, has carried out optimization treatment with 3 temperature-detecting element of original inside, has accomplished "trinity" and has handled, has become a set of thermodetector, has reduced the trompil quantity on the equipment, makes the factor of safety of reactor body obtain further improvement.
The embodiment also aims at unique process improvement of the heat transfer oil circulation heating system based on the traditional equipment design scheme: firstly, the connection mode between the heat-conducting oil elevated tank and the oil-water separator and the installation angle of a connected pipeline are specially adjusted, and the original 120 degrees are changed into 125 degrees; and secondly, the whole section of pipeline of the heat-conducting oil elevated tank is changed into a two-section structure from the original integral type, a forced exhaust pipeline is additionally arranged in the heat-conducting oil elevated tank, the pressure of the oil-water separator is gradually reduced through small thermal circulation before temperature rise, and the moisture in the heat-conducting oil gradually and slowly volatilizes, so that the liquid level of the elevated tank is prevented from generating large fluctuation, and the oil injection phenomenon caused by unstable liquid level of the heat-conducting oil elevated tank during start-up is avoided.
This pharmacy effluent treatment plant adopts subcritical oxidation technique, can solve into water salinity, high concentration organic matter to equipment scale deposit, block up the problem, and waste water need not to soften, need not to reduce the salinity and can handle, and macromolecular substance can be oxidized into the micromolecular substance, and poisonous and harmful substance turns into nontoxic and harmless substance, and the vast majority of organic matter can be handled and be converted into substance stable state such as CO2 and H2O.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (4)
1. The pharmaceutical wastewater treatment device based on the subcritical oxidation technology is characterized by comprising a dosing tank (2), a filter (3), a high-pressure pump (6), a heat transfer oil heat exchanger (8), a reaction tank (11), a cooler (12), a gas-liquid separator (14), an air compressor (5) and an air buffer tank (7); waste water enters from the input end of the batching tank (2), the output end of the batching tank (2) is connected with the input end of the filter (3), the output end of the filter (3) is connected with the input end of the high-pressure pump (6), the output end of the high-pressure pump (6) is connected with the input end of the heat-conducting oil heat exchanger (8), the output end of the heat-conducting oil heat exchanger (8) is connected with the input end of the reaction tank (11), the output end of the reaction tank (11) is connected with the input end of the cooler (12), the output end of the cooler (12) is connected with the input end of the gas-liquid separator (14), the gas-liquid separator (14) comprises a waste gas output end and an oxidizing liquid output end, air enters from the input end of the air compressor (5), and the output end of the air compressor (5) is connected with the input end of the air buffer tank (7), the output end of the air buffer tank (7) is connected with the input end of the heat conduction oil heat exchanger (8), and the output end of the air buffer tank (7) is connected with the input end of the reaction tank (11).
2. The subcritical oxidation technology based pharmaceutical wastewater treatment apparatus according to claim 1, further comprising a cleaning device (17), wherein the cleaning device (17) comprises a cleaning liquid inlet, an output end of the cleaning device (17) is connected with an oxidation liquid output end of the gas-liquid separator (14), and an input end of the cleaning device (17) is connected with an input end of the heat transfer oil heat exchanger (8).
3. The pharmaceutical wastewater treatment device based on subcritical oxidation technology according to claim 1, characterized in that, the pharmaceutical wastewater treatment device further comprises a biofilm reactor (10), wherein an input end of the biofilm reactor (10) is connected with an output end of the heat transfer oil heat exchanger (8), and an output end of the biofilm reactor (10) is connected with an input end of the reaction tank (11).
4. The subcritical oxidation technology based pharmaceutical wastewater treatment apparatus according to claim 1, wherein the reaction tank (11) is provided with a temperature detector, the temperature detector comprises an elongated temperature measuring end, the temperature measuring end is arranged from top to bottom inside the reaction tank (11), and the temperature measuring end is provided with temperature detecting elements at the upper part, the middle part and the lower part thereof respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120153521.6U CN214654297U (en) | 2021-01-20 | 2021-01-20 | Pharmacy effluent treatment plant based on subcritical oxidation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120153521.6U CN214654297U (en) | 2021-01-20 | 2021-01-20 | Pharmacy effluent treatment plant based on subcritical oxidation technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214654297U true CN214654297U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120153521.6U Active CN214654297U (en) | 2021-01-20 | 2021-01-20 | Pharmacy effluent treatment plant based on subcritical oxidation technique |
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| Country | Link |
|---|---|
| CN (1) | CN214654297U (en) |
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2021
- 2021-01-20 CN CN202120153521.6U patent/CN214654297U/en active Active
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Address after: Room F1012, Building 1, No. 1378 Wenyi West Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province, 311121 Patentee after: Zhejiang Jinglijie Intelligent Technology Co.,Ltd. Address before: Room f218, building 1, 1378 Wenyi West Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang jinglijie Environmental Technology Co.,Ltd. |