CN217757347U - Raw coke oven gas and hot aqueous ammonia's of circulation spraying dust pelletizing system - Google Patents
Raw coke oven gas and hot aqueous ammonia's of circulation spraying dust pelletizing system Download PDFInfo
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- CN217757347U CN217757347U CN202222016318.1U CN202222016318U CN217757347U CN 217757347 U CN217757347 U CN 217757347U CN 202222016318 U CN202222016318 U CN 202222016318U CN 217757347 U CN217757347 U CN 217757347U
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Abstract
The utility model provides a spray dust pelletizing system of raw coke oven gas and hot aqueous ammonia of circulation belongs to coke oven gas and handles the field to solve the problem that the coal coke dust in the raw coke oven gas can block up the heat transfer pipe outer wall space of primary cooler and influence the heat transfer effect of primary cooler. The method comprises the following steps: gas-liquid separator's import and the device exit linkage that produces raw coke oven gas and circulation aqueous ammonia, the circulation aqueous ammonia export in circulation aqueous ammonia groove is connected with the water inlet of hot aqueous ammonia spraying pump, the delivery port and the aqueous ammonia pipeline one end of hot aqueous ammonia spraying pump are connected, the aqueous ammonia pipeline other end is connected with the middle part of spraying the aqueous ammonia house steward, ammonia control valve installs on aqueous ammonia pipeline, a plurality of sprays aqueous ammonia branch pipe level parallel arrangement and sprays the one end of aqueous ammonia branch pipe all with spray the aqueous ammonia house steward intercommunication, the other end of spraying the aqueous ammonia branch pipe stretches into in the gas-liquid separator, the part that lies in gas-liquid separator on spraying the aqueous ammonia branch pipe is provided with a plurality of aqueous ammonia orifice, install the aqueous ammonia shower nozzle in the aqueous ammonia orifice.
Description
Technical Field
The utility model relates to a coke oven gas handles technical field, especially relates to a spray dust pelletizing system of raw coke oven gas and circulation hot aqueous ammonia.
Background
Coke oven gas generated in the coke production process of a coking plant at present is gathered to a crude gas main pipe through a gas collecting pipe, the gas is cooled by spraying circulating ammonia water, the cooled crude gas and the circulating ammonia water automatically flow to a gas-liquid separator of a cold drum section to carry out gas-liquid two-phase separation, a gas phase enters a downstream primary cooler to be treated, and a liquid phase goes to a tar-ammonia water separation tank to carry out tar-ammonia water separation treatment. However, because the raw gas contains a large amount of impurities such as tar, naphthalene and coke dust, the coke dust in the impurities can block the space of the outer wall of the heat exchange tube of the primary cooler, and the heat exchange effect of the primary cooler can be influenced after the running time is long.
Disclosure of Invention
The coal tar dust in for solving the raw coke oven gas can block up the heat transfer pipe outer wall space of primary cooler and influence the technical problem of the heat transfer effect of primary cooler, the utility model provides a raw coke oven gas and hot aqueous ammonia's of circulation spray dust pelletizing system.
In order to solve the technical problem, the utility model adopts the technical scheme that:
the utility model provides a raw coke oven gas and hot aqueous ammonia's of circulation dust pelletizing system that sprays, its includes vapour and liquid separator, circulation ammonia groove, hot aqueous ammonia spraying pump, aqueous ammonia control valve, aqueous ammonia pipeline, sprays aqueous ammonia house steward and a plurality of and sprays aqueous ammonia branch pipe, wherein: the import of vapour and liquid separator and the device exit linkage that produces raw coke oven gas and circulation aqueous ammonia, vapour and liquid separator's gas outlet is connected with the air inlet of primary cooler, vapour and liquid separator's liquid outlet and tar aqueous ammonia separating tank are connected, the circulation aqueous ammonia export of circulation aqueous ammonia groove is connected with the water inlet of hot aqueous ammonia spraying pump, the delivery port and the aqueous ammonia pipeline one end of hot aqueous ammonia spraying pump are connected, the aqueous ammonia pipeline other end is connected with the middle part that sprays the aqueous ammonia house steward, the aqueous ammonia control valve is installed on the aqueous ammonia pipeline, a plurality of sprays aqueous ammonia branch pipe level parallel arrangement and spray the one end of aqueous ammonia branch pipe all with spray the aqueous ammonia house steward intercommunication, the other end that sprays the aqueous ammonia branch pipe stretches into in the vapour and liquid separator, the part that lies in vapour and liquid separator on spraying the aqueous ammonia branch pipe is provided with a plurality of aqueous ammonia orifices, install the aqueous ammonia shower nozzle in the aqueous ammonia orifice.
Optionally, the apertures of the plurality of ammonia water spray holes on each ammonia water spray branch pipe are sequentially increased from the edge of the gas-liquid separator to the center of the gas-liquid separator.
Optionally, the ammonia water control valve is an electric valve or a pneumatic valve, and the ammonia water control valve is connected with the control device.
The beneficial effects of the utility model are that:
through setting up vapour and liquid separator, the circulation aqueous ammonia groove, hot aqueous ammonia sprays the pump, spray aqueous ammonia house steward and a plurality of and spray aqueous ammonia branch pipe isotructure, and install the aqueous ammonia shower nozzle on the aqueous ammonia branch pipe that sprays that lies in vapour and liquid separator, make the raw coke gas that can be to the vapour and liquid separator in through the hot aqueous ammonia that comes from in the circulation aqueous ammonia groove spray the washing, make the coal tar dust in the raw coke gas that gets into in the primary cooler, tar, impurity such as naphthalene reduces substantially, thereby can avoid the coal tar dust in these impurity to block up the heat transfer pipe outer wall space of primary cooler and influence the heat transfer effect of primary cooler.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1, the system for spraying and dedusting raw coke oven gas and circulating hot ammonia in this embodiment includes a gas-liquid separator 1, a circulating ammonia water tank 2, a hot ammonia water spraying pump 3, an ammonia water control valve 4, an ammonia water pipeline 5, a spraying ammonia water header pipe 6 and a plurality of spraying ammonia water branch pipes 7, wherein: the import of vapour and liquid separator 1 and the device exit linkage that produces raw coke oven gas and circulation aqueous ammonia, vapour and liquid separator 1's gas outlet is connected with the air inlet of primary cooler, vapour and liquid separator 1's liquid outlet and tar aqueous ammonia separating tank are connected, the circulation aqueous ammonia export of circulation aqua ammonia groove 2 is connected with the water inlet of hot aqueous ammonia spraying pump 3, the delivery port and the 5 one end of aqueous ammonia pipeline of hot aqueous ammonia spraying pump 3 are connected, the aqueous ammonia pipeline 5 other end is connected with the middle part that sprays aqueous ammonia house steward 6, ammonia control valve 4 is installed on aqueous ammonia pipeline 5, a plurality of sprays 7 horizontal parallel arrangement of aqueous ammonia branch pipe and sprays the one end of aqueous ammonia branch pipe 7 and all communicates with spraying aqueous ammonia house steward 6, the other end that sprays aqueous ammonia branch pipe 7 stretches into vapour and liquid separator 1, the part that lies in vapour and liquid separator 1 on spraying aqueous ammonia branch pipe 7 is provided with a plurality of aqueous ammonia orifices, install the aqueous ammonia shower nozzle in the aqueous ammonia orifice.
Optionally, the apertures of the ammonia water spray holes on each ammonia water spray branch pipe 7 are sequentially increased from the edge of the gas-liquid separator 1 to the center of the gas-liquid separator 1, so that the ammonia water sprayed in the gas-liquid separator 1 is relatively uniform.
Optionally, the ammonia water control valve 4 is an electric valve or a pneumatic valve, and the ammonia water control valve 4 and the hot ammonia water spray pump 3 are both connected with the control device. The control device is a PLC or a singlechip and the like. By arranging the ammonia water control valve 4 as an electric valve or a pneumatic valve, the opening and closing of the hot ammonia water spraying pump 3 can be controlled through the control device, and the opening and closing of the ammonia water control valve 4 can be controlled, so that the automatic control of ammonia water spraying is realized.
The utility model discloses when using, open hot aqueous ammonia spray pump 3 and ammonia control valve 4 back, hot aqueous ammonia spray pump 3 passes through the aqueous ammonia pipeline 5 with the hot aqueous ammonia in the circulation aqua ammonia groove 2, spray aqueous ammonia house steward 6 and a plurality of and spray aqueous ammonia branch pipe 7 pump in into vapour and liquid separator 1 and spray the washing to raw coke oven gas through aqueous ammonia shower nozzle blowout, with the coal tar dust in the raw coke oven gas, tar, impurity washing such as naphthalene get off, the impurity that the washing got off gets into tar ammonia water knockout drum further separation along with the flowing ammonia water, raw coke oven gas after the washing gets into the primary cooler and carries out further processing.
The utility model discloses a hot aqueous ammonia sprays the washing back to the raw coke gas in vapour and liquid separator 1 for impurity such as coal coke dust, tar, naphthalene in the raw coke gas that gets into in the primary cooler reduces substantially, thereby can avoid the coal coke dust in these impurity to block up the heat transfer pipe outer wall space of primary cooler and influence the heat transfer effect of primary cooler.
It is to be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principles of the present invention, and the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (3)
1. The utility model provides a raw coke oven gas and hot aqueous ammonia's of circulation dust pelletizing system that sprays, its characterized in that includes vapour and liquid separator (1), circulation ammonia water groove (2), hot aqueous ammonia spraying pump (3), ammonia water control valve (4), aqueous ammonia pipeline (5), sprays aqueous ammonia house steward (6) and a plurality of and sprays aqueous ammonia branch pipe (7), wherein:
the import of vapour and liquid separator (1) and the device exit linkage that produces raw coke oven gas and circulation aqueous ammonia, the gas outlet of vapour and liquid separator (1) is connected with the air inlet of primary cooler, the liquid outlet and the tar aqueous ammonia separating tank of vapour and liquid separator (1) are connected, the circulation aqueous ammonia export of circulation aqueous ammonia groove (2) is connected with the water inlet of hot aqueous ammonia shower spray pump (3), the delivery port and the aqueous ammonia pipeline (5) one end of hot aqueous ammonia shower spray pump (3) are connected, the aqueous ammonia pipeline (5) other end is connected with the middle part of spraying aqueous ammonia house steward (6), install on aqueous ammonia pipeline (5) ammonia water control valve (4), a plurality of aqueous ammonia sprays the one end that branch pipe (7) level parallel set just sprayed aqueous ammonia branch pipe (7) and all communicates with spraying aqueous ammonia house steward (6), the other end that sprays branch pipe (7) stretches into vapour and liquid separator (1), the part that lies in vapour and liquid separator (1) on spraying aqueous ammonia branch pipe (7) is provided with a plurality of aqueous ammonia nozzle, install the aqueous ammonia shower nozzle in the aqueous ammonia.
2. The raw gas and circulating hot ammonia water spray dedusting system as claimed in claim 1, wherein the apertures of the plurality of ammonia water spray holes on each spray ammonia water branch pipe (7) are sequentially increased from the edge of the gas-liquid separator (1) to the center of the gas-liquid separator (1).
3. The raw gas and circulating hot ammonia water spraying and dedusting system as claimed in claim 1, wherein the ammonia water control valve (4) is an electric valve or a pneumatic valve, and the ammonia water control valve (4) and the hot ammonia water spraying pump (3) are both connected with a control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016318.1U CN217757347U (en) | 2022-08-02 | 2022-08-02 | Raw coke oven gas and hot aqueous ammonia's of circulation spraying dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016318.1U CN217757347U (en) | 2022-08-02 | 2022-08-02 | Raw coke oven gas and hot aqueous ammonia's of circulation spraying dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217757347U true CN217757347U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222016318.1U Active CN217757347U (en) | 2022-08-02 | 2022-08-02 | Raw coke oven gas and hot aqueous ammonia's of circulation spraying dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217757347U (en) |
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2022
- 2022-08-02 CN CN202222016318.1U patent/CN217757347U/en active Active
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