CN210131515U - Organic matter flue gas treatment system used in liquid industrial naphthalene loading process - Google Patents
Organic matter flue gas treatment system used in liquid industrial naphthalene loading process Download PDFInfo
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- CN210131515U CN210131515U CN201920866346.8U CN201920866346U CN210131515U CN 210131515 U CN210131515 U CN 210131515U CN 201920866346 U CN201920866346 U CN 201920866346U CN 210131515 U CN210131515 U CN 210131515U
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Abstract
The utility model provides an organic matter flue gas treatment system used in the liquid industry naphthalene loading process, which comprises a wash oil storage tank, a venturi tube, a circulating pump, a flue gas collecting pipe and a gas discharging pipe, wherein regular packing is arranged above the inside of the wash oil storage tank, and a heater is arranged below the inside of the wash oil storage tank; the bottom of the washing oil storage tank is connected with the inlet of the circulating pump through a first pipeline, the outlet of the circulating pump is connected with the top of the venturi through a second pipeline, the bottom of the venturi is connected with the top of the washing oil storage tank through a third pipeline, and the third pipeline extends into the washing oil storage tank; the smoke collecting pipe is radially connected with one side of the venturi, and the gas discharging pipe is connected with the top of the oil washing storage tank. The utility model discloses utilize wash oil to spray at venturi tube and produce negative pressure characteristics and absorptive compatible principle, absorb the purification in leading-in venturi tube of the organic matter flue gas that produces the loading and the wash oil storage tank for the peculiar smell that the loading in-process produced is eliminated basically.
Description
Technical Field
The utility model relates to a waste gas treatment system, more specifically say, the utility model relates to a chemical industry peculiar smell flue gas processing system.
Background
The peculiar smell smoke components generated in the deep processing production process of the coal tar are very complex, and the process layout of each product is dispersed, so that the difficulty in the centralized treatment of the peculiar smell smoke is high. Wherein, the liquid industry naphthalene adopts the oil filling riser loading, volatilizes a large amount of sublimed naphthalene (the crystallization point of naphthalene is 77.5 ℃) in the loading process, utilizes traditional fan suction method, and sublimed naphthalene gathers into solid naphthalene in the flue gas pipe, causes the pipeline to block up. The fan is not completely sucked, and the sublimated naphthalene is mixed into the air, so that the environment is polluted, and the air odor is heavy.
Disclosure of Invention
The utility model provides a be directed against prior art not enough, the utility model provides an organic matter flue gas processing system for in-process of liquid industry naphthalene loading.
The utility model provides an organic matter flue gas treatment system used in the liquid industry naphthalene loading process, which comprises a wash oil storage tank, a venturi tube, a circulating pump, a flue gas collecting pipe and a gas discharging pipe, wherein regular packing is arranged above the inside of the wash oil storage tank, and a heater is arranged below the inside of the wash oil storage tank; the bottom of the washing oil storage tank is connected with the inlet of the circulating pump through a first pipeline, the outlet of the circulating pump is connected with the top of the venturi through a second pipeline, the bottom of the venturi is connected with the top of the washing oil storage tank through a third pipeline, and the third pipeline extends into the washing oil storage tank; the smoke collecting pipe is radially connected with one side of the venturi, and the gas discharging pipe is connected with the top of the oil washing storage tank. And injecting washing oil into the washing oil storage tank in advance, wherein the injection amount of the washing oil is enough to submerge the bottom end of the third pipeline. When loading liquid industrial naphthalene by using a loading arm, the free end of a smoke collecting pipe extends into the loading arm; starting the circulating pump, pumping the washing oil to the venturi tube by the circulating pump to generate negative pressure, so that the flue gas containing volatile organic compounds in the crane tube is sucked into the flue gas collecting tube; the flue gas enters the oil washing storage tank after passing through the venturi tube, the flue gas and the oil washing are mixed and purified, and the purified clean gas is discharged from the gas discharge pipe. The heater is used for heating the washing oil, and the regular packing is used for absorbing the waste gas.
Further, the oil washing device also comprises a liquid level meter, and the liquid level meter is arranged on the side surface of the oil washing storage tank. The liquid level meter is used for monitoring the oil washing amount in the oil washing storage tank.
Furthermore, a valve is arranged on the smoke collecting pipe.
Furthermore, a valve is arranged on a first pipeline between the bottom of the oil washing storage tank and an inlet of the circulating pump.
Furthermore, a valve is arranged on a second pipeline between the outlet of the circulating pump and the top of the venturi.
Furthermore, a branch pipe is arranged on a second pipeline between the outlet of the circulating pump and the top of the venturi, and a valve is arranged on the branch pipe. The branch pipe may be used to discharge wash oil.
Furthermore, a steam jacket is arranged on the flue gas collecting pipe, and the heat is preserved by adopting the steam jacket.
The utility model has the advantages that: by utilizing the principle that the washing oil is sprayed in the venturi tube to generate negative pressure and the washing oil is similar to naphthalene and compatible, the sublimed naphthalene organic matter smoke generated in the loading process is guided into the venturi tube and the washing oil storage tank to be absorbed and purified, so that the pipeline blockage is avoided, and the peculiar smell generated in the loading process is prevented from floating out; the system is simple and practical to operate, reduces the labor intensity of workers, improves the field operation environment, and simultaneously improves the safety, thereby effectively treating the peculiar smell smoke generated in the volatile liquid loading process, and reducing the pollution to the environment and the injury to the human body.
Drawings
Fig. 1 is a schematic structural diagram of an organic matter flue gas treatment system used in a liquid industrial naphthalene loading process of the present invention.
The reference signs explain: 1-circulating pump, 2-branch pipe, 3-oil washing storage tank, 4-structured packing, 5-venturi, 6-flue gas collecting pipe, 7-liquid industrial naphthalene loading pipeline, 8-loading crane pipe, 9-gas discharge pipe, 10-liquid level meter, 11-heater, 12-first pipeline, 13-second pipeline and 14-third pipeline.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in figure 1, the organic matter flue gas treatment system for the liquid industrial naphthalene loading process comprises an oil washing storage tank 3, a venturi tube 5, a circulating pump 1, a flue gas collecting pipe 6 and a gas discharge pipe 9. The interior of the oil washing storage tank 3 is divided into an upper layer and a lower layer by a support body, the upper layer is provided with structured packing 4, and the lower layer is provided with a heater 11; the side wall of the oil washing storage tank 3 is provided with a liquid level meter 10. The bottom of the oil washing storage tank 3 is connected with the inlet of the circulating pump 1 through a first pipeline 12, and the outlet of the circulating pump 1 is connected with the top of the venturi tube 5 through a second pipeline 13. The bottom of the venturi 5 is connected with the top of the oil washing storage tank 3 through a third pipeline 14, the third pipeline 14 is inserted into the lower layer of the oil washing storage tank 3, and the distance between the bottom end of the third pipeline 14 and the supporting body is 50-100 mm. One end of the smoke collecting pipe 6 is radially communicated with one side surface of the venturi 5 (can be connected through a flange), and the other end is a free end. One end of the gas discharge pipe 9 is communicated with the top of the oil washing storage tank 3, and the other end is a free end. The second pipeline 13 is connected with a branch pipe 2, and the tail end of the branch pipe 2 is a free end. Valves are arranged on the first pipeline 12, the second pipeline 13, the third pipeline 14 and the branch pipe 2.
This be used for liquid industry naphthalene loading in-process organic matter flue gas processing system need utilize wash oil to absorb the flue gas, so need inject wash oil in wash oil storage tank 3 in advance when using, the wash oil that injects submerges the third pipeline 14 exit end can. When liquid industrial naphthalene is loaded, the liquid industrial naphthalene loading pipeline 7 is inserted into the loading arm 8, so that the liquid industrial naphthalene flows through the loading arm 8 for loading, and smoke containing volatile organic compounds is generated in the process. A smoke collecting port is formed in the crane pipe 8, and the smoke collecting pipe 6 is connected with the smoke collecting port and used for sucking generated smoke.
The working principle of the organic matter flue gas treatment system used in the liquid industrial naphthalene loading process is as follows: the circulating pump 1 sucks the washing oil in the washing oil storage tank 3 and continuously enters the upper part of the venturi tube 5, the negative pressure generated by the flow through the venturi tube 5 sucks the smoke containing the organic odor into the washing oil storage tank 3 through the smoke collecting pipe 6, the organic odor smoke is mixed with the washing oil and absorbed, and the generated waste gas enters the gas discharge pipe 9 after being subjected to gas-liquid separation by the structured packing. In order to ensure the flue gas absorption effect, the temperature of the washing oil is kept at 30-50 ℃, and the washing oil can be heated by a heater 11; the liquid level of the washing oil is kept at the middle of the lower layer of the washing oil storage tank 3, and the washing oil is replaced periodically.
Claims (7)
1. The utility model provides an organic matter flue gas processing system for in liquid industry naphthalene loading process which characterized in that: the device comprises an oil washing storage tank, a venturi tube, a circulating pump, a flue gas collecting pipe and a gas discharging pipe, wherein regular packing is arranged above the inside of the oil washing storage tank, and a heater is arranged below the inside of the oil washing storage tank; the bottom of the washing oil storage tank is connected with the inlet of the circulating pump through a first pipeline, the outlet of the circulating pump is connected with the top of the venturi through a second pipeline, the bottom of the venturi is connected with the top of the washing oil storage tank through a third pipeline, and the third pipeline extends into the washing oil storage tank; the smoke collecting pipe is radially connected with one side of the venturi, and the gas discharging pipe is connected with the top of the oil washing storage tank.
2. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: the oil washing device also comprises a liquid level meter, wherein the liquid level meter is arranged on the side surface of the oil washing storage tank.
3. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: the smoke collecting pipe is provided with a valve.
4. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: a valve is arranged on a first pipeline between the bottom of the oil washing storage tank and the inlet of the circulating pump.
5. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: a valve is arranged on a second pipeline between the outlet of the circulating pump and the top of the venturi.
6. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: and a branch pipe is arranged on a second pipeline between the outlet of the circulating pump and the top of the venturi, and a valve is arranged on the branch pipe.
7. The organic matter flue gas treatment system for the liquid industrial naphthalene loading process according to claim 1, characterized in that: the smoke collecting pipe is provided with a steam jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866346.8U CN210131515U (en) | 2019-06-11 | 2019-06-11 | Organic matter flue gas treatment system used in liquid industrial naphthalene loading process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866346.8U CN210131515U (en) | 2019-06-11 | 2019-06-11 | Organic matter flue gas treatment system used in liquid industrial naphthalene loading process |
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| CN210131515U true CN210131515U (en) | 2020-03-10 |
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| CN201920866346.8U Active CN210131515U (en) | 2019-06-11 | 2019-06-11 | Organic matter flue gas treatment system used in liquid industrial naphthalene loading process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521965A (en) * | 2021-01-29 | 2021-10-22 | 乌海宝杰新能源材料有限公司 | Efficient and energy-saving granulation tail gas treatment system and treatment process thereof |
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2019
- 2019-06-11 CN CN201920866346.8U patent/CN210131515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521965A (en) * | 2021-01-29 | 2021-10-22 | 乌海宝杰新能源材料有限公司 | Efficient and energy-saving granulation tail gas treatment system and treatment process thereof |
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