CN219652848U - Pretreatment device for multistage biochemical treatment of semi-coke wastewater - Google Patents
Pretreatment device for multistage biochemical treatment of semi-coke wastewater Download PDFInfo
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- CN219652848U CN219652848U CN202321142008.2U CN202321142008U CN219652848U CN 219652848 U CN219652848 U CN 219652848U CN 202321142008 U CN202321142008 U CN 202321142008U CN 219652848 U CN219652848 U CN 219652848U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 46
- 239000000571 coke Substances 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000007781 pre-processing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- -1 polycyclic aromatic compounds Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
A pretreatment device for multistage biochemical treatment of semi-coke wastewater comprises a closed regulating tank A, a regulating tank B, an accident tank and a water collecting tank, wherein a first water inlet pipe at the top of the accident tank is communicated with a water outlet pipe of the water collecting tank, a second water inlet pipe is communicated with an operation maintenance accident water pipe at the top of the accident tank, the water outlet pipe of the accident tank is communicated with an inlet of an accident tank lifting pump mechanism, an outlet of the accident tank lifting pump mechanism is divided into two paths, the two paths are respectively communicated with the accident tank water inlet pipe of the regulating tank A and the accident tank water inlet pipe of the regulating tank B, a phenol sewage inlet pipe of the regulating tank A and the phenol sewage inlet pipe of the regulating tank B are in parallel communication with a phenol sewage main pipeline, a first flowmeter is arranged on the phenol sewage main pipeline, a water outlet pipe of the regulating tank A and a water outlet pipe of the regulating tank B are in parallel connection with an inlet of the regulating tank lifting pump mechanism, a second flowmeter is arranged on an outlet of the regulating tank lifting pump mechanism, and overflow pipes communicated with the water collecting tank are all arranged on the regulating tank A, the regulating tank B and the accident tank. Has the characteristics of environmental protection, safety and reliability.
Description
Technical Field
The utility model belongs to the technical field of sewage multistage treatment equipment, and particularly relates to a pretreatment device for multistage biochemical treatment of semi-coke wastewater.
Background
The semi-coke wastewater is wastewater generated in the middle-low temperature (about 650 ℃) carbonization processing process of coal, the components are complex, and a nuclear magnetic resonance chromatogram shows that the wastewater contains dozens of inorganic and organic compounds, wherein the inorganic compounds mainly comprise a large amount of ammonia nitrogen, sulfides, cyanides and the like, and the organic compounds comprise monocyclic and polycyclic aromatic compounds, nitrogen, sulfur, oxygen heterocyclic compounds and the like besides phenols. As the waste water also contains various chromophore and auxiliary chromophore substances, the chromaticity of the semi-coke waste water is up to tens of thousands times. Phenols, heterocyclic compounds, ammonia nitrogen and the like contained in the wastewater can cause great harm to human beings, aquatic products and crops, and the wastewater can be utilized after being treated to reduce the content of pollutants to a certain standard.
The semi-coke wastewater has the characteristics of high oil, high ammonia nitrogen, high organic matters and the like, and belongs to one of industrial wastewater which is extremely difficult to treat. The phenol-ammonia recovery wastewater in the semi-coke wastewater has certain toxicity, and has an inhibition effect on anaerobic and aerobic microorganisms when the concentration of the phenol-ammonia recovery wastewater is high, and the inhibition effect on anaerobic and aerobic microorganisms can be reduced when the total phenol content of the wastewater is below 400mg/L according to the current demonstration engineering operation experience and the national subject achievements. In order to reduce the inhibition of phenol to anaerobic and aerobic microorganisms, the water quality of the phenol-containing wastewater is regulated in the pretreatment stage of multistage biochemical treatment of the semi-coke wastewater.
The accident pool in China patent application No. CN202211376266.7, entitled "Combined System for biochemical treatment and advanced treatment of semi-coke wastewater" is used for receiving accident-related discharge water from other water treatment facilities to ensure smooth and safe operation of the water treatment facilities, and the main function of the regulating pool is to balance water quality and water quantity. The regulating tank and the accident tank have no further overflow guarantee measures, and if overflow is generated, the environment is easy to be polluted, and the potential safety hazard is large; and the function is too single, the control of phenol content in the wastewater can not be realized, and the regulating reservoir has no filtering function for high-oil components in the wastewater. Therefore, a device capable of controlling the phenol content in the semi-coke wastewater and filtering out high-oil components in the wastewater is urgently needed at present.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the pretreatment device for multistage biochemical treatment of the semi-coke wastewater, which has reasonable design, is safe and reliable, strictly controls the phenol content in the wastewater and improves the biochemical treatment efficiency of the wastewater.
The technical scheme adopted for solving the technical problems is as follows: a pretreatment device for multistage biochemical treatment of semi-coke wastewater comprises a closed regulating tank A, a closed regulating tank B, a closed accident tank and a closed water collecting tank, wherein a first water inlet pipe and a second water inlet pipe are arranged at the top of the accident tank, the first water inlet pipe of the accident tank is communicated with a water outlet pipe of the water collecting tank, the second water inlet pipe of the accident tank is communicated with an operation maintenance accident water pipe, the water outlet pipe of the accident tank is communicated with an inlet of an accident tank lifting pump mechanism, an outlet of the accident tank lifting pump mechanism is divided into two paths, one path is communicated with the water inlet pipe of the accident tank on the regulating tank A, the other path is communicated with the water inlet pipe of the accident tank on the regulating tank B, the phenol sewage inlet pipe of the regulating tank A and the phenol sewage inlet pipe of the regulating tank B are parallel and are communicated with a phenol sewage main pipeline, a first flowmeter is arranged on the phenol sewage main pipeline, a water outlet pipe of the regulating tank A and a water outlet pipe of the regulating tank B are parallel and are communicated with the inlet of the operation maintenance accident water pipe of the regulating tank lifting pump mechanism, overflow pipes are arranged on the outlets of the regulating tank A, the regulating tank B and the accident tank are all provided with overflow pipes, and the overflow pipes are communicated with the water collecting pipes.
As a preferable technical scheme, the upper part of one side of the regulating tank A and the upper part of one side of the regulating tank B are respectively provided with an oil discharge pipeline structure.
As a preferable technical scheme, the regulating tank A, the regulating tank B and the accident tank are respectively provided with a submersible stirrer.
As a preferable technical scheme, the top parts of the regulating tank A, the regulating tank B and the accident tank can be provided with ultrasonic liquid level meters.
As a preferred technical solution, the accident pool lifting pump mechanism is composed of two accident pool lifting pumps which are arranged in parallel, wherein one accident pool lifting pump is an operating pump, and the other accident pool lifting pump is a standby pump.
As a preferred technical scheme, the regulating tank lifting pump mechanism is composed of three regulating tank lifting pumps which are arranged in parallel, wherein two regulating tank lifting pumps are running pumps, and the other regulating tank lifting pump is a standby pump.
As a preferable technical scheme, a first sampling pipeline structure is arranged at the outlet of the accident pool lifting pump mechanism.
As a preferable technical scheme, a second sampling pipeline structure is arranged at the outlet of the regulating tank lifting pump mechanism.
As a preferable technical scheme, the tops of the regulating tank A, the regulating tank B and the accident tank are respectively provided with an odor exhausting structure, and the odor exhausting structure is an exhaust fan arranged on an odor exhausting pipeline.
The beneficial effects of the utility model are as follows:
the first flowmeter is arranged on the phenol sewage main pipeline, and the water inflow of the phenol sewage is strictly controlled by the first flowmeter, so that the phenol content in the output waste water after pretreatment by the utility model is controlled, the inhibition of anaerobic and aerobic microorganisms is not caused, and the subsequent treatment efficiency of the waste water is improved; the water collecting tank provided by the utility model prevents overflow phenomena of the regulating tank A, the regulating tank B and the accident tank from causing environmental pollution and potential safety hazard, and the regulating tank A, the regulating tank B, the accident tank and the water collecting tank are all of closed structures, so that odor generated by the water collecting tank is prevented from being discharged into the air to pollute the air.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the regulating reservoir a of the present utility model.
Fig. 3 is a schematic view of the construction of the accident pool 13 of the present utility model.
Wherein: the phenol sewage main pipeline 1, the driving operation overhauling accident water pipe 2, the first flowmeter 3, the odor exhausting structure 4, the first sampling pipeline structure 5, the regulating tank A6, the accident tank water inlet pipe 61, the phenol sewage inlet pipe 62, the regulating tank overflow pipe 63, the oil exhausting pipeline structure 64, the regulating tank A water outlet pipe 65, the ultrasonic liquid level meter 7, the second flowmeter 8, the second sampling pipeline structure 9, the regulating tank lifting pump mechanism 10, the regulating tank B11, the accident tank lifting pump mechanism 12, the accident tank 13, the accident tank water outlet pipe 131, the first water inlet pipe 132, the second water inlet pipe 133, the accident tank overflow pipe 134, the water collecting tank 14 and the diving stirrer 15.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, but the present utility model is not limited to the following embodiments.
In fig. 1, 2 and 3, the pretreatment device for multistage biochemical treatment of semi-coke wastewater in this embodiment comprises a closed type regulating tank A6, a closed type regulating tank B11, a closed type accident tank 13 and a closed type water collecting tank 14, wherein a first water inlet pipe 132 and a second water inlet pipe 133 are arranged at the top of the accident tank 13, the first water inlet pipe 132 of the accident tank 13 is communicated with a water outlet pipe of the water collecting tank 14, the second water inlet pipe 133 of the accident tank 13 is communicated with a starting operation maintenance accident water pipe 2, the accident tank 13 is used for receiving wastewater of the water collecting tank 14, starting accident water, operation accident water and maintenance accident water, the accident tank water outlet pipe 131 is communicated with an inlet of the accident tank lifting pump mechanism 12, the accident tank lifting pump mechanism 12 is composed of two parallel accident tank 13 lifting pumps, one of the accident tank 13 lifting pumps is an operation pump, the other accident tank lifting pump mechanism 12 is a standby pump, and an outlet of the accident tank lifting pump mechanism 12 is divided into two paths, one path is communicated with an accident pool water inlet pipe 61 port on a regulating pool A6, the other path is communicated with an accident pool water inlet pipe port on a regulating pool B11, a phenol sewage inlet pipe 62 of the regulating pool A6 and a phenol sewage inlet pipe of the regulating pool B11 are communicated with a phenol sewage main pipeline 1 in parallel, a first flowmeter 3 is arranged on the phenol sewage main pipeline 1 and used for controlling the water inflow of phenol sewage, a regulating pool A water outlet pipe 65 and a regulating pool B water outlet pipe are communicated with an inlet of a regulating pool lifting pump mechanism 10 in parallel, the regulating pool lifting pump mechanism 10 consists of three parallel regulating pool lifting pumps, wherein two regulating pool lifting pumps are operation pumps, the other is a standby pump, the regulating pool lifting pump mechanism 10 is used for conveying waste water which is uniformly modulated in the regulating pool A6 and the regulating pool B11 to the next biochemical treatment link, a second flowmeter 8 is arranged on an outlet of the regulating pool lifting pump mechanism 10, the overflow pipes are arranged on the regulating tank A6, the regulating tank B11 and the accident tank 13 and are communicated with the water collecting tank 14, the water collecting tank 14 is used for collecting the overflowed wastewater from the regulating tank A6, the regulating tank B11 and the accident tank 13, and the water collecting tank 14 is used for conveying the collected wastewater to the accident tank 13.
The upper part of one side of the regulating tank A6 and the upper part of one side of the regulating tank B11 are respectively provided with an oil drain pipeline structure 64, the oil drain pipeline structure 64 is composed of a floating oil discharge groove and a floating oil drain pipeline, the top mark height of the floating oil discharge groove is positioned at a high water level, when the floating oil is more, the water level is raised, and a valve on the floating oil drain pipeline is opened to drain the floating oil to a temporary trolley for comprehensive treatment.
The equalizing basin A6, the equalizing basin B11 and the accident pool 13 of the embodiment are respectively provided with a submersible stirrer 15, the submersible stirrers 15 intermittently operate, sludge precipitation is prevented, and the uniformity of the water quality of wastewater flowing out of the equalizing basin A6, the equalizing basin B11 and the accident pool 13 is ensured.
The regulating reservoir A6, the regulating reservoir B11 and the accident reservoir 13 in the embodiment can be provided with an ultrasonic liquid level meter 7 at the top, and the ultrasonic liquid level meter 7 is used for monitoring the liquid level in the reservoir in real time.
The exit of this embodiment accident pool elevator pump mechanism 12 is provided with first sample pipeline structure 5, and the exit of equalizing basin elevator pump mechanism 10 all is provided with second sample pipeline structure 9, and first sample pipeline structure 5 and second sample pipeline structure 9 conveniently sample the detection to the waste water, guarantee that the waste water phenol content of the output of this utility model is not out of standard.
The top of this embodiment equalizing basin A6, equalizing basin B11, accident pond 13 all is provided with and arranges odor structure 4, arranges odor structure 4 and is provided with the air exhauster on the odor exhaust pipeline, and the odor that equalizing basin A6, equalizing basin B11, accident pond 13 produced passes through the air exhauster and carries to the odor removal processing system, makes the foul smell not pollute the environment, guarantees simultaneously equalizing basin A6, equalizing basin B11, that accident pond 13 internal pressure is stable, improves the security.
Claims (9)
1. A preprocessing device for multistage biochemical treatment of semi-coke waste water, its characterized in that: comprises a closed regulating tank A (6), a closed regulating tank B (11), a closed accident tank (13) and a closed water collecting tank (14), wherein a first water inlet pipe (132) and a second water inlet pipe (133) are arranged at the top of the accident tank (13), the first water inlet pipe (132) of the accident tank (13) is communicated with a water outlet pipe of the water collecting tank (14), the second water inlet pipe (133) of the accident tank (13) is communicated with a driving operation overhaul accident water pipe (2), the accident tank water outlet pipe (131) is communicated with an inlet of an accident tank lifting pump mechanism (12), an outlet of the accident tank lifting pump mechanism (12) is divided into two paths, one path is communicated with an accident pool water inlet pipe (61) on a regulating pool A (6), the other path is communicated with an accident pool water inlet pipe on a regulating pool B (11), a phenol sewage inlet pipe (62) of the regulating pool A (6) and a phenol sewage inlet pipe of the regulating pool B (11) are parallel and communicated with a phenol sewage main pipeline (1), a first flowmeter (3) is arranged on the phenol sewage main pipeline (1), a water outlet pipe (65) of the regulating pool A and a water outlet pipe of the regulating pool B are parallel and communicated with an inlet of a regulating pool lifting pump mechanism (10), a second flowmeter (8) is arranged on an outlet of the regulating pool lifting pump mechanism (10), and the regulating pool A (6), the regulating pool B (11), the accident pool (13) is provided with overflow pipes which are communicated with the water collecting pool (14).
2. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: and an oil discharge pipeline structure (64) is arranged at the upper part of one side of the regulating tank A (6) and the upper part of one side of the regulating tank B (11).
3. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: submersible stirrers (15) are arranged in the regulating tank A (6), the regulating tank B (11) and the accident tank (13).
4. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: the top of each of the regulating tank A (6), the regulating tank B (11) and the accident tank (13) can be provided with an ultrasonic liquid level meter (7).
5. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: the accident pool lifting pump mechanism (12) is composed of two parallel accident pool (13) lifting pumps, wherein one accident pool (13) lifting pump is an operating pump, and the other accident pool lifting pump is a standby pump.
6. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: the regulating tank lifting pump mechanism (10) is composed of three regulating tank lifting pumps which are arranged in parallel, wherein two regulating tank lifting pumps are running pumps, and the other regulating tank lifting pump is a standby pump.
7. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: the outlet of the accident pool lifting pump mechanism (12) is provided with a first sampling pipeline structure (5).
8. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to claim 1, wherein: and a second sampling pipeline structure (9) is arranged at the outlet of the regulating tank lifting pump mechanism (10).
9. The pretreatment device for multistage biochemical treatment of semi-coke wastewater according to any one of claims 1 to 8, wherein: the top of equalizing basin A (6), equalizing basin B (11), accident pool (13) all is provided with and arranges odor structure (4), arranges odor structure (4) and is provided with the air exhauster on the odor exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142008.2U CN219652848U (en) | 2023-05-12 | 2023-05-12 | Pretreatment device for multistage biochemical treatment of semi-coke wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142008.2U CN219652848U (en) | 2023-05-12 | 2023-05-12 | Pretreatment device for multistage biochemical treatment of semi-coke wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219652848U true CN219652848U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321142008.2U Active CN219652848U (en) | 2023-05-12 | 2023-05-12 | Pretreatment device for multistage biochemical treatment of semi-coke wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219652848U (en) |
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2023
- 2023-05-12 CN CN202321142008.2U patent/CN219652848U/en active Active
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