CN210030271U - Recycling system of carbon black raw oil dehydration waste water - Google Patents
Recycling system of carbon black raw oil dehydration waste water Download PDFInfo
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- CN210030271U CN210030271U CN201920872509.3U CN201920872509U CN210030271U CN 210030271 U CN210030271 U CN 210030271U CN 201920872509 U CN201920872509 U CN 201920872509U CN 210030271 U CN210030271 U CN 210030271U
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Abstract
The utility model provides a carbon black raw oil dehydration waste water's recycle system, it includes water tank, ammonia water mixer and carbon black tail gas denitrification facility. Through the system, the carbon black raw oil dehydration wastewater and the demineralized water are mixed in the water tank, and then the mixed liquid and the ammonia water with the mass concentration of 20% are mixed in the ammonia water mixer and finally used for carbon black tail gas denitration. The utility model provides a carbon black raw oil dehydration waste water's recycle system can recycle carbon black raw oil dehydration waste water, is favorable to saving waste water treatment cost and environmental protection.
Description
Technical Field
The utility model relates to a waste water recycle system, concretely relates to carbon black raw oil dehydration waste water's recycle system.
Background
The carbon black production has certain requirements on the water content of the raw oil. In the prior art, in order to control the moisture content of the carbon black raw oil, excessive moisture in the raw oil is removed by a dehydration device. On average, 2 tons per hour of water are removed from the raw oil, and the water is called raw oil dehydration wastewater which is discharged into a sewage treatment system of a plant area at 2 tons per hour and is recycled after treatment in the carbon black production. The raw oil dehydration wastewater has poor water quality index, contains 0.5% ammonia water and other related data indexes, increases the treatment difficulty and cost of a sewage system, and also has certain influence on the service life of carbon black production equipment.
The carbon black tail gas denitration device is a device for reducing nitrogen oxides in carbon black tail gas, and generally adopts ammonia water with the concentration of 5% -15% as a reducing agent. For example, the carbon black tail gas denitration device uses a 5% ammonia water solution as a reducing agent, and the 5% ammonia water solution is usually obtained by mixing 20% ammonia water and demineralized water in a mixer. The average daily usage amount of 20% ammonia water is about 3 tons, and the daily usage amount of desalted water is about 30 tons.
Reference documents: the utility model patent publication with the grant publication number CN204121968U and the invention patent publication with the grant publication number CN 105214532B.
Disclosure of Invention
The utility model provides a carbon black raw oil dehydration waste water's recycle system for with raw oil dehydration waste water in addition recycle.
The utility model provides a recycle system of carbon black raw oil dehydration waste water, including water tank, ammonia water mixer and carbon black tail gas denitrification facility, be connected with raw oil dehydration waste water pipeline on the water tank, demineralized water pipeline, water tank first outlet conduit and water tank second outlet conduit, be connected with ammonia water mixer inlet pipe, ammonia water pipeline and ammonia water mixer outlet conduit on the ammonia water mixer, water tank first outlet conduit and water tank second outlet conduit all are connected with ammonia water mixer inlet pipe, ammonia water mixer outlet conduit is connected with carbon black tail gas denitrification facility; a filter screen is arranged at the joint of the raw oil dehydration waste water pipeline and the water tank, and water pumps are arranged on the first water outlet pipeline of the water tank and the second water outlet pipeline of the water tank; the system comprises a raw oil dehydration waste water pipeline, a desalted water pipeline, an ammonia water pipeline and a carbon black tail gas denitration device, wherein the raw oil dehydration waste water pipeline is used for inputting raw oil dehydration waste water, the desalted water pipeline is used for inputting desalted water, the ammonia water pipeline is used for inputting ammonia water with the mass concentration of 20%, and the ammonia water mixer water outlet pipeline is used for outputting liquid in the ammonia water mixer to the carbon black tail gas denitration device. When the device is used, the carbon black raw oil dehydration wastewater enters from a raw oil dehydration wastewater pipeline, is filtered by a filter screen and then reaches the inside of the water tank to be mixed with the desalted water entering from a desalted water pipeline; when the water pump is started, the liquid in the water tank flows into a water inlet pipeline of an ammonia water mixer through a first water outlet pipeline of the water tank or a second water outlet pipeline of the water tank, then flows into the ammonia water mixer, and is mixed with ammonia water with the mass concentration of 20% entering from the ammonia water pipeline; and the mixed liquid flows into a carbon black tail gas denitration device through an ammonia water mixer water outlet pipeline and is used for denitration.
Furthermore, valves are arranged on the raw oil dehydration waste water pipeline, the demineralized water pipeline, the first water outlet pipeline of the water tank and the second water outlet pipeline of the water tank.
Furthermore, the bottom of the water tank is also connected with a water tank drainage pipeline, and a valve is arranged on the water tank drainage pipeline. The tank drain line can be used to empty the tank of water for servicing.
Further, the filter screen is a 400-mesh filter screen.
The utility model has the advantages that: (1) the carbon black raw oil dehydration wastewater containing 0.5% of ammonia water is recovered and used for carbon black tail gas denitration, and the use amount of the original 20% of ammonia water and desalted water is reduced; (2) the dehydration wastewater of the carbon black raw oil containing 0.5 percent of ammonia water is recovered, the treatment capacity of a sewage system is reduced, and the sewage treatment cost is reduced; (3) the dehydration process of the carbon black raw oil is steam heating dehydration, so that the dehydrated wastewater has a certain temperature and a certain enthalpy value, and when entering the carbon black tail gas denitration device, the water is changed into a gas state from a liquid state, the heat absorbed in the furnace is less, and the efficiency of the carbon black tail gas denitration device is improved.
Drawings
FIG. 1 is a schematic view showing the structure of a system for recovering and utilizing dehydration waste water of raw carbon black oil.
The reference signs explain: 1. raw oil dehydration waste water pipeline, 2 valve, 3 filter screen, 4 water tank first outlet pipeline, 5 water pump, 6 ammonia water mixer, 7 ammonia water mixer outlet pipeline, 8 ammonia water pipeline, 9 ammonia water mixer inlet pipeline, 10 water tank second outlet pipeline, 11 water tank drainage pipeline, 12 water tank, 13 demineralized water pipeline, 14 carbon black tail gas denitration device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a system for recycling carbon black raw oil dehydration wastewater includes a stainless steel water tank 12, an ammonia-water mixer 6, and a carbon black tail gas denitration device 14. The top of the water tank 12 is connected with a raw oil dehydration waste water pipeline 1, a valve is arranged on the raw oil dehydration waste water pipeline 1, and a 400-mesh filter screen 3 is arranged at the joint of the raw oil dehydration waste water pipeline 1 and the water tank 12; a demineralized water pipeline 13 is connected to the upper position of the side surface of the water tank 12, and a valve is arranged on the demineralized water pipeline 13; the bottom of the water tank 12 is connected with a water tank drainage pipeline 11, and a valve is arranged on the water tank drainage pipeline 11; the side surface of the water tank 12 close to the bottom is connected with a first water outlet pipeline 4 of the water tank and a second water outlet pipeline 10 of the water tank, and the first water outlet pipeline 4 of the water tank and the second water outlet pipeline 10 of the water tank are both provided with two valves and a water pump, namely, the front and the back of the water pump are respectively provided with one valve. The ammonia water mixer 6 is connected with an ammonia water mixer water inlet pipeline 9, an ammonia water pipeline 8 and an ammonia water mixer water outlet pipeline 7, the ammonia water mixer water inlet pipeline 9 is connected with the first water outlet pipeline 4 of the water tank and the second water outlet pipeline 10 of the water tank, and the ammonia water mixer water outlet pipeline 7 is connected with the carbon black tail gas denitration device 14.
Controlling the valve to be opened and closed according to the requirement, so that the carbon black raw oil dehydration wastewater (containing ammonia water with mass concentration of 0.5%, certain suspended matters and rust) is input into a raw oil dehydration wastewater pipeline 1, is filtered by a filter screen 3 and then enters a water tank 12; and the desalted water is input through a desalted water pipeline 13, mixed with the carbon black raw oil dehydration wastewater and stored in a water tank 12. The water pump is operated, and the liquid in the water tank is conveyed to the water inlet pipeline 9 of the ammonia water mixer through the first water outlet pipeline 4 or the second water outlet pipeline 10 of the water tank, so that the liquid flows into the ammonia water mixer 6 through the water inlet pipeline 9 of the ammonia water mixer; ammonia water with the mass concentration of 20% is input from an ammonia water pipeline 8 and is mixed with liquid flowing in from an ammonia water mixer water inlet pipeline 9, and the ammonia water with the mass concentration of 4-5% is obtained. And 4-5% of ammonia water flows into the carbon black tail gas denitration device 14 through the water outlet pipeline 7 of the ammonia water mixer to participate in the carbon black tail gas denitration reaction.
In a word, the utility model discloses can become carbon black raw oil dehydration waste water treatment into the aqueous ammonia that is applicable to the denitration completely and use, with carbon black raw oil dehydration waste water recycle, changing waste into valuables, practice thrift sewage treatment's cost greatly, improve carbon black production facility's life, reduced tail gas boiler's 20% aqueous ammonia use amount simultaneously, realize economic benefits promptly, realize environmental protection benefit again.
Claims (4)
1. A recycle system of carbon black raw oil dehydration waste water which characterized in that: the system comprises a water tank, an ammonia water mixer and a carbon black tail gas denitration device, wherein a raw oil dehydration wastewater pipeline, a demineralized water pipeline, a first water outlet pipeline of the water tank and a second water outlet pipeline of the water tank are connected to the water tank; a filter screen is arranged at the joint of the raw oil dehydration waste water pipeline and the water tank, and water pumps are arranged on the first water outlet pipeline of the water tank and the second water outlet pipeline of the water tank; the system comprises a raw oil dehydration waste water pipeline, a desalted water pipeline, an ammonia water pipeline and a carbon black tail gas denitration device, wherein the raw oil dehydration waste water pipeline is used for inputting raw oil dehydration waste water, the desalted water pipeline is used for inputting desalted water, the ammonia water pipeline is used for inputting ammonia water with the mass concentration of 20%, and the ammonia water mixer water outlet pipeline is used for outputting liquid in the ammonia water mixer to the carbon black tail gas denitration device.
2. The system for recycling carbon black feedstock oil dehydration wastewater according to claim 1, characterized in that: and valves are arranged on the raw oil dehydration waste water pipeline, the demineralized water pipeline, the first water outlet pipeline of the water tank and the second water outlet pipeline of the water tank.
3. The system for recycling carbon black feedstock oil dehydration wastewater according to claim 1, characterized in that: the bottom of the water tank is also connected with a water tank drainage pipeline, and a valve is arranged on the water tank drainage pipeline.
4. The system for recycling carbon black feedstock oil dehydration wastewater according to claim 1, characterized in that: the filter screen be 400 mesh filter screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872509.3U CN210030271U (en) | 2019-06-11 | 2019-06-11 | Recycling system of carbon black raw oil dehydration waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872509.3U CN210030271U (en) | 2019-06-11 | 2019-06-11 | Recycling system of carbon black raw oil dehydration waste water |
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| CN210030271U true CN210030271U (en) | 2020-02-07 |
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| CN201920872509.3U Active CN210030271U (en) | 2019-06-11 | 2019-06-11 | Recycling system of carbon black raw oil dehydration waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
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2019
- 2019-06-11 CN CN201920872509.3U patent/CN210030271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
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