CN217756949U - Device for treating tar wastewater - Google Patents
Device for treating tar wastewater Download PDFInfo
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- CN217756949U CN217756949U CN202222279006.XU CN202222279006U CN217756949U CN 217756949 U CN217756949 U CN 217756949U CN 202222279006 U CN202222279006 U CN 202222279006U CN 217756949 U CN217756949 U CN 217756949U
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Abstract
The utility model discloses a device for treating tar wastewater, belonging to the technical field of tar wastewater treatment; comprises a light oil tank, a tar waste water storage tank, a cyclone reactor and a phase separation tank; the light oil tank is connected with the cyclone reactor through a first conveying pipeline, and the tar wastewater storage tank is connected with the cyclone reactor through a second conveying pipeline; the liquid outlet of the cyclone reactor is connected with the phase separation tank through a pipeline; an extraction water outlet is arranged at the bottom of the phase separation tank, and a light oil phase outlet is arranged at the top of the phase separation tank; the light oil phase outlet is connected with a light oil tank through a pipeline; the extraction water outlet is connected with the tar extraction water tank through a pipeline; the utility model discloses the effect that utilizes cyclone reactor makes water drum oil in the tar waste water structure destroyed, and the oil content is extracted more easily, utilizes the nature of light oil to extract out with the volatile phenol and the oil content in the tar waste water, has reduced the content of oil content in the tar waste water.
Description
Technical Field
The utility model belongs to the technical field of tar waste water treatment technique and specifically relates to a device for treating tar waste water.
Background
Coal tar is one of important products in the coking industry, the components of the coal tar are extremely complex, and the coal tar is obtained and utilized after being specially separated and purified in the coal tar industry in most cases. Various chemical products can be obtained by finely processing the coal tar, but a large amount of toxic wastewater can be generated in the coal tar processing process, and the wastewater contains high-concentration organic matters, cyanogen and other highly toxic substances, has high toxicity and complex components. Coal tar wastewater is not thoroughly treated, so that the water environment is seriously polluted, and the human health is threatened.
Along with the processing of tar, a large amount of waste water is generated, and the main sources are as follows: (1) heating, standing and dehydrating raw material tar to generate wastewater; (2) The separated water generated by the condensation of the introduced direct steam in the production process; and (3) cleaning the cooling water generated by the pipeline.
All the oil in the tar waste water is present in the sewage unstably in a granular state, and an oil-in-water state is formed. The particles in the oil-in-water state are difficult to separate easily, the existing sewage precipitation and purification device is used for treating tar wastewater, but the oil content and volatile phenol in the treated wastewater cannot reach the emission index.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a handle device of tar waste water, solves the problem that oil content and volatile phenol content are high in the tar waste water.
In order to achieve the purpose, the utility model is realized by the following technical scheme.
A device for treating tar wastewater comprises a light oil tank, a tar wastewater storage tank, a cyclone reactor and a phase separation tank; the light oil tank is connected with the cyclone reactor through a first conveying pipeline, and the tar wastewater storage tank is connected with the cyclone reactor through a second conveying pipeline; the liquid outlet of the cyclone reactor is connected with the phase separation tank through a pipeline; an extraction water outlet is formed in the bottom of the phase separation tank, and a light oil phase outlet is formed in the top of the phase separation tank; the light oil phase outlet is connected with a light oil tank through a pipeline; the extraction water outlet is connected with the tar extraction water tank through a pipeline.
Further, the tar extraction water tank is connected with a second conveying pipeline through a return pipeline, the tar extraction water tank is connected to a drainage system through an outward conveying pipeline, and the return pipeline is provided with a first electromagnetic valve; the delivery pipeline is provided with a second electromagnetic valve; the delivery pipeline is provided with an oil-in-water sensor and a water quality monitoring sensor; the underwater oil sensor and the water quality monitoring sensor are respectively connected with the controller, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the controller.
Further, the first conveying pipeline and the second conveying pipeline are respectively provided with a conveying pump.
Furthermore, the tar extraction water tank is provided with a sampling pipe.
Furthermore, a slag discharge port is arranged at the bottom of the phase separation tank.
The utility model discloses produced beneficial effect for prior art does:
the utility model discloses a with light oil component and tar waste water fully mixed and extraction jointly in the whirl reactor, utilize the nature of light oil to extract out with the volatile phenol and the oil content in the tar waste water, because the effect of whirl reactor makes the structure of water drum oil in the tar waste water destroyed, the oil content is more easily extracted, has reduced the content of oil content in the tar waste water.
The utility model discloses further return the upper oil of extraction to light oil tank reuse, the waste residue is discharged from split-phase tank bottoms portion, the device is effectual to have reduced the content of oil and volatile phenol in the waste water of wasting discharge.
In the improved structure, the discharge pipeline is provided with an in-water oil sensor and a water quality monitoring sensor, and the discharge or return to the cyclone reactor for continuous extraction is controlled by the controller through detecting the contents of oil and volatile phenol in water, so that the control on the external drainage index is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a tar wastewater treatment device of the present invention.
In the figure, 1-a light oil tank, 2-a tar wastewater storage tank, 3-a cyclone reactor, 4-a phase separation tank, 5-a tar extraction water tank, 6-a first conveying pipeline, 7-a second conveying pipeline, 8-an extraction water outlet, 9-a light oil phase outlet, 10-a return pipeline, 11-an external conveying pipeline, 12-a first electromagnetic valve, 13-a second electromagnetic valve, 14-an in-water oil sensor, 15-a water quality monitoring sensor, 16-a controller, 17-a conveying pump, 18-a sampling pipe and 19-a slag discharge port.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. 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 technical solution of the present invention is described in detail below with reference to the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.
As shown in FIG. 1, the present embodiment provides an apparatus for treating tar wastewater, which comprises a light oil tank 1, a tar wastewater storage tank 2, a cyclone reactor 3 and a phase separation tank 4; the light oil tank 1 is connected with the cyclone reactor 3 through a first conveying pipeline 6, and the tar wastewater storage tank 2 is connected with the cyclone reactor 3 through a second conveying pipeline 7; the first and second delivery lines 6, 7 are each provided with a delivery pump 17. The liquid outlet of the cyclone reactor 3 is connected with the phase separation tank 4 through a pipeline; the bottom of the phase separation tank 4 is provided with an extraction water outlet 8, and the bottom of the phase separation tank 4 is also provided with a slag discharge port 19. The top of the phase separation tank 4 is provided with a light oil phase outlet 9; the light oil phase outlet 9 is connected with the light oil tank 1 through a pipeline; the extraction water outlet 8 is connected with the tar extraction water tank 5 through a pipeline.
The tar extraction water tank 5 is connected with the second conveying pipeline 7 through a return pipeline 10, the tar extraction water tank 5 is connected to a drainage system through an outward conveying pipeline 11, and the tar extraction water tank 5 is provided with a sampling pipe 18.
The return line 10 is provided with a first solenoid valve 12; the delivery pipeline 11 is provided with a second electromagnetic valve 13; the delivery pipeline 11 is provided with an oil-in-water sensor 14 and a water quality monitoring sensor 15; the oil-in-water sensor 14 and the water quality monitoring sensor 15 are respectively connected to a controller 16, and the first electromagnetic valve 12 and the second electromagnetic valve 13 are respectively connected to the controller 16.
The controller 16 is a PLC controller, the in-water oil sensor 14 and the water quality monitoring sensor 15 are respectively the existing devices and purchased in the market, the in-water oil sensor 14 is purchased from Wuzhen Chuanxiao technology Limited company, and the water quality monitoring sensor 15 is purchased from Shenzhen cloud transmission Internet of things technology Limited company with the model of AMT-W400.
The specific working process and working principle are as follows:
firstly, the light oil components and the tar wastewater are pumped into a cyclone reactor 3 together, so that the light oil and the tar wastewater are fully mixed in the cyclone reactor 3, and the light oil extracts the oily components, volatile phenol and the like in the tar wastewater. The cyclone reactor 3 can destroy the oil-in-water structure in the tar wastewater, so that the oil content can be extracted more easily, and the content of the oil content in the tar wastewater is reduced. The light oil used may be light white oil or chemical light oil such as naphtha.
The tar wastewater after full extraction enters a phase separation tank 4, water and oil separation is carried out in the phase separation tank 4, the wastewater is discharged to a tar extraction water tank 5 from the bottom, and the oil phase at the top enters a light oil tank 1; the wastewater treated by the tar extraction water tank 5 through the delivery pipeline 11 pieces is delivered to a next-stage treatment system or a drainage system; the in-water oil sensor 14 and the water quality monitoring sensor 15 are arranged on the outward conveying pipeline 11 to detect indexes such as oil indexes, volatile phenol and the like in the discharged wastewater, when the in-water oil sensor 14 or the water quality monitoring sensor 15 detects that data do not reach the standard, the second electromagnetic valve 13 is closed through the controller 16, and the first electromagnetic valve 12 is opened at the same time, so that the wastewater returns to the cyclone reactor 3 for treatment; when the index reaches the standard, the first solenoid valve 12 is closed by the controller 16, and the second solenoid valve 13 is opened to discharge through the outgoing line 11.
The above description is further detailed for the present invention with reference to specific preferred embodiments, and it is not considered that the specific embodiments of the present invention are limited thereto, and it will be understood by those skilled in the art that the present invention can be implemented by a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all of them should be considered as belonging to the present invention, which is determined by the appended claims.
Claims (5)
1. The device for treating the tar wastewater is characterized by comprising a light oil tank (1), a tar wastewater storage tank (2), a cyclone reactor (3) and a phase separation tank (4); the light oil tank (1) is connected with the cyclone reactor (3) through a first conveying pipeline (6), and the tar wastewater storage tank (2) is connected with the cyclone reactor (3) through a second conveying pipeline (7); the liquid outlet of the cyclone reactor (3) is connected with the phase separation tank (4) through a pipeline; an extraction water outlet (8) is formed in the bottom of the phase separation tank (4), and a light oil phase outlet (9) is formed in the top of the phase separation tank (4); the light oil phase outlet (9) is connected with the light oil tank (1) through a pipeline; the extraction water outlet (8) is connected with the tar extraction water tank (5) through a pipeline.
2. The device for treating tar wastewater according to claim 1, wherein the tar extraction water tank (5) is connected with the second delivery pipeline (7) through a return pipeline (10), the tar extraction water tank (5) is connected to a drainage system through an outward delivery pipeline (11), and the return pipeline (10) is provided with a first electromagnetic valve (12); the delivery pipeline (11) is provided with a second electromagnetic valve (13); the delivery pipeline (11) is provided with an oil-in-water sensor (14) and a water quality monitoring sensor (15); the underwater oil sensor (14) and the water quality monitoring sensor (15) are respectively connected with a controller (16), and the first electromagnetic valve (12) and the second electromagnetic valve (13) are respectively connected with the controller (16).
3. The apparatus for treating tar-containing wastewater according to claim 1, wherein the first transfer line (6) and the second transfer line (7) are respectively provided with a transfer pump (17).
4. The apparatus for treating tar-containing wastewater according to claim 1, wherein the tar extraction water tank (5) is provided with a sampling pipe (18).
5. The device for treating tar wastewater according to claim 1, wherein the bottom of the phase separation tank (4) is provided with a slag discharge port (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279006.XU CN217756949U (en) | 2022-08-29 | 2022-08-29 | Device for treating tar wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279006.XU CN217756949U (en) | 2022-08-29 | 2022-08-29 | Device for treating tar wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217756949U true CN217756949U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222279006.XU Active CN217756949U (en) | 2022-08-29 | 2022-08-29 | Device for treating tar wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217756949U (en) |
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2022
- 2022-08-29 CN CN202222279006.XU patent/CN217756949U/en active Active
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