CN213968234U - Steam absorption system for adding water to humidify coke intermediate bin for dust fall - Google Patents
Steam absorption system for adding water to humidify coke intermediate bin for dust fall Download PDFInfo
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- CN213968234U CN213968234U CN202022785618.7U CN202022785618U CN213968234U CN 213968234 U CN213968234 U CN 213968234U CN 202022785618 U CN202022785618 U CN 202022785618U CN 213968234 U CN213968234 U CN 213968234U
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Abstract
The utility model relates to a steam absorption system used when adding water to a coke intermediate bin for humidifying and dust falling, which comprises an air suction cover arranged at the upper part of the coke intermediate bin and a steam absorption device connected with the air suction cover through a steam pipeline; the device also comprises a dust removal pretreatment device and an induced draft fan; the dedusting pretreatment device is provided with a steam inlet connected with the air suction cover, a steam outlet connected with the steam absorption device, and a water and dust outlet connected with the coke intermediate bin. The utility model discloses high-temperature steam to drawing forth from coke intermediate bin carries out filtration preliminary treatment before getting into steam absorbing device, send back coke intermediate bin after straining dust wherein and water, effectively prevent the pipeline jam in the follow-up system, guarantee the high-efficient normal operating of adding water humidification dust fall system.
Description
Technical Field
The utility model relates to a dry quenching technical field especially relates to a steam absorption system that coke intermediate bin used when adding water humidification dust fall.
Background
In the coking industry, dry quenching coke has been popularized and popularized as a mature energy-saving and emission-reducing process. The coke discharged to the cold coke transportation system after dry quenching has higher temperature, and a large amount of dust can be generated in the cold coke transportation and transfer process. Originally, the common way is that cold coke transportation transfer point sets up the dust excluding hood in the trade, and the raise dust that will produce is through discharging up to standard after the ground station processing of dust remover or concentrated dust removal on site, and this kind of processing mode is effectual at the transfer point dust removal, but still can raise dust in the belt transportation process, still can increase dust pelletizing system's power consumption and maintenance cost of overhaul simultaneously. Later generally adopt in the trade and add water humidification dust fall system, be about to dry and put out the discharged coke of stove and carry out the water spray humidification dust fall in the middle storehouse of coke, make coke when the humidification, tiny dust particle is attached to on the coke, can not break away from the coke and produce the raise dust in transportation and transportation. The water-adding humidifying dust-settling system has the advantages of low power consumption, cyclic utilization of waste water and low maintenance cost, thereby being widely applied.
The hot coke can generate a large amount of high-temperature water vapor in the process of adding water, so that a corresponding steam treatment device needs to be matched. The Chinese patent application with the application publication number of CN 107890732A discloses a steam absorption device for a coke intermediate bin water-adding humidifying dust-settling system, which comprises an air suction cover, a steam absorber, a cooling tank, an induced draft fan, a pipeline, a steam distributor, a slurry pump, a coke breeze sedimentation tank and a centrifugal pump. The air suction cover is arranged at the top of the coke intermediate bin and is connected with the steam absorber through a pipeline, and the steam absorber is connected with the induced draft fan through a pipeline; the induced draft fan is connected with the steam distributor through a pipeline; the steam distributor and the steam absorber are positioned at the upper part of the cooling pool; the slurry pump is arranged in the cooling tank and is connected with the coke breeze sedimentation tank through a pipeline; the centrifugal pump is arranged in the fine coke settling tank and is connected with the steam absorber through a pipeline. The steam absorption device can avoid the pollution of toxic and harmful gases to the atmosphere, and realize the full utilization of energy and the emission of no pollutants.
However, in the actual operation process, the dust impurities such as fine coke powder are mixed in the high-temperature steam, and in the process of processing the steam, the impurities enter the pipeline of the steam absorption device along with the steam, and form sticky substances after being combined with condensed water, and the sticky substances are attached to the inner wall of the pipeline, so that the pipeline is very easy to block, and the normal operation of the water-adding humidifying dust-settling system is seriously influenced.
Disclosure of Invention
The utility model provides a steam absorption system that coke intermediate bin used when adding water humidification dust fall carries out filtration pretreatment earlier before getting into steam absorption device from the high temperature steam that coke intermediate bin was drawn forth, sends back coke intermediate bin after filtering out dust and water wherein, effectively prevents the pipeline jam in the follow-up system, guarantees the high-efficient normal operating of adding water humidification dust fall system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a steam absorption system for adding water into a coke intermediate bin to humidify and reduce dust comprises an air suction cover arranged at the upper part of the coke intermediate bin and a steam absorption device connected with the air suction cover through a steam pipeline; the device also comprises a dust removal pretreatment device and an induced draft fan; the dust removal pretreatment device is arranged on the steam pipeline, the dust removal pretreatment device is provided with a steam inlet connected with the air suction cover, the dust removal pretreatment device is provided with a steam outlet connected with the steam absorption device, and the dust removal pretreatment device is provided with water and a dust outlet connected with the coke intermediate bin; and a draught fan is arranged on a steam pipeline connecting the dedusting pretreatment device and the steam absorption device.
The dedusting pretreatment device is a plastic burning plate deduster.
The dust remover for the sintering plate is characterized in that a wavy sintering plate filter core is arranged in the dust remover for the sintering plate, and carbon fluoride resin is sprayed on the surface of the wavy sintering plate filter core.
The steam pipeline is a stainless steel pipeline.
The steam pipeline connecting the air suction cover and the dedusting pretreatment device is a heat tracing pipeline.
The shell and the impeller of the draught fan are made of stainless steel materials.
The top of the coke intermediate bin is of a closed structure; the plastic burning plate dust remover and the induced draft fan are fixedly arranged on a top plate of the coke intermediate bin, one side of the lower part of the plastic burning plate dust remover is provided with a steam inlet, the other side of the upper part of the plastic burning plate dust remover is provided with a steam outlet, and the bottom of the plastic burning plate dust remover is provided with a water outlet and a dust outlet; the heat tracing pipeline connected with the steam inlet penetrates through the top plate and then is connected with the air suction cover, and the dust outlet pipeline connected with the water and dust outlet penetrates through the top plate and then extends into the coke intermediate bin.
The steam absorption device comprises a steam absorber, a cooling pool, a steam distributor and a coke breeze sedimentation pool, the steam pipeline is connected with a steam inlet at one side of the lower part of the steam absorber, the top of the steam absorber is provided with a residual steam outlet which is connected with the steam distributor through a residual steam pipeline, and the residual steam pipeline is provided with a fan; a plurality of air outlets of the steam distributor extend into the water surface of the cooling pool, a slurry pump is arranged in the cooling pool and is connected with a fine coke sedimentation pool through a slurry pipeline, a centrifugal pump is arranged in the fine coke sedimentation pool and is connected with a water spraying inlet on the other side of the upper part of the steam absorber through a water pipeline.
And the control end of the dedusting pretreatment device and the control end of the induced draft fan are in interlocking control with a main fan of a middle bin water-adding humidifying dedusting system through a control system.
Compared with the prior art, the beneficial effects of the utility model are that:
1) high-temperature steam led out from the coke intermediate bin is subjected to filtration pretreatment before entering a steam absorption device, dust and water in the high-temperature steam are filtered out and then are sent back to the coke intermediate bin, so that pipeline blockage in a subsequent system is prevented, and efficient normal operation of a water-adding humidifying dust-settling system is ensured;
2) the dust removal pretreatment device and the induced draft fan are interlocked and controlled with the main fan of the water adding humidifying dust settling system through the control system, the operation is simple, the operation is reliable, and the omission caused by manual reasons is avoided;
3) the high-temperature steam dust generated by adding water into coke is high in content and is an acid gas; the gas enters the steam absorption device after being treated by the dedusting pretreatment device, so that a large amount of dust and water in the gas can be filtered, the problem of pipeline blockage can be effectively solved, the corrosion and abrasion of acidic gas to pipelines and equipment can be reduced, and the service lives of subsequent pipelines and equipment are prolonged;
4) dust and water filtered by the dedusting pretreatment device are discharged back to the coke intermediate bin, and no pollutant is discharged;
5) a steam pipeline between the coke intermediate bin and the dedusting pretreatment device adopts a heat tracing pipeline, so that the condition that the pipeline is blocked by viscous substances due to condensation of water vapor caused by too low outdoor temperature in winter can be prevented.
Drawings
FIG. 1 is a schematic structural diagram of a steam absorption system for adding water to a coke intermediate bin for humidification and dust reduction.
In the figure: 1. the system comprises a dedusting pretreatment device 2, a draught fan 3, a steam pipeline 4, a steam absorption device 41, a steam absorber 42, a draught fan 43, a steam distributor 44, a cooling pool 45, a slurry pump 46, a coke breeze sedimentation pool 47, a centrifugal pump 5, an air suction cover 6, a coke intermediate bin 7, a heat tracing pipeline 8 and a dust outlet pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in figure 1, the steam absorption system for adding water to a coke intermediate bin, humidifying and dedusting comprises an air suction cover 5 arranged at the upper part of a coke intermediate bin 6 and a steam absorption device 4 connected with the air suction cover 5 through a steam pipeline 3; the device also comprises a dust removal pretreatment device 1 and an induced draft fan 2; the dust removal pretreatment device 1 is arranged on the steam pipeline 3, a steam inlet of the dust removal pretreatment device 1 is connected with the air suction cover 5, a steam outlet of the dust removal pretreatment device 1 is connected with the steam absorption device 4, and a water outlet and a dust outlet of the dust removal pretreatment device 1 are connected with the coke intermediate bin 6; and a draught fan 2 is arranged on a steam pipeline 3 connecting the dedusting pretreatment device 1 and the steam absorption device 4.
The dedusting pretreatment device 1 is a plastic sintering plate deduster.
The dust remover for the sintering plate is characterized in that a wavy sintering plate filter core is arranged in the dust remover for the sintering plate, and carbon fluoride resin is sprayed on the surface of the wavy sintering plate filter core.
The steam pipeline 3 is a stainless steel pipeline.
The steam pipeline connecting the air suction cover 5 and the dust removal pretreatment device 1 is a heat tracing pipeline 7.
The shell and the impeller of the draught fan 2 are made of stainless steel materials.
The top of the coke intermediate bin 6 is of a closed structure; the plastic burning plate dust remover and the induced draft fan 2 are fixedly arranged on a top plate of the coke intermediate bin 6, one side of the lower part of the plastic burning plate dust remover is provided with a steam inlet, the other side of the upper part of the plastic burning plate dust remover is provided with a steam outlet, and the bottom of the plastic burning plate dust remover is provided with a water and dust outlet; a heat tracing pipeline 7 connected with the steam inlet penetrates through the top plate and then is connected with the air suction cover 5, and a dust outlet pipeline 8 connected with the water and dust outlet penetrates through the top plate and then extends into the coke intermediate bin 6.
The steam absorption device 4 comprises a steam absorber 41, a cooling tank 44, a steam distributor 43 and a coke breeze precipitation tank 46, the steam pipeline 3 is connected with a steam inlet at one side of the lower part of the steam absorber 41, the top of the steam absorber 41 is provided with a residual steam outlet which is connected with the steam distributor 43 through a residual steam pipeline, and the residual steam pipeline is provided with a fan 42; a plurality of air outlets of the steam distributor 43 extend into the water surface of the cooling pool 44, a slurry pump 45 is arranged in the cooling pool 44 and is connected with a fine coke sedimentation pool 46 through a slurry pipeline, a centrifugal pump 47 is arranged in the fine coke sedimentation pool 46 and is connected with a water spraying inlet on the other side of the upper part of the steam absorber 41 through a water pipeline.
The control end of the dedusting pretreatment device 1 and the control end of the induced draft fan 2 are interlocked and controlled with the main fan of the intermediate bin water-adding humidifying dedusting system through a control system.
When a steam absorption system that uses when coke midhouse adds water humidification dust fall uses, dust removal preprocessing device 1 adds water humidification dust pelletizing system and steam absorption device 4 in the coke midhouse earlier and starts to prevent system's pipe blockage. The heat tracing steam of the steam heat tracing 7 pipeline is introduced when the dedusting pretreatment device 1 is started, so that condensed water is prevented from being formed in the corresponding pipeline.
High-temperature steam generated when water is added to coke in the coke intermediate bin 6 is collected by the air suction hood 5, and is sent to the dedusting pretreatment device 1 (preferably a plastic-fired plate deduster) through the heat tracing pipeline 7 for dedusting and filtering, and the filtered water and dust are sent back to the coke intermediate bin 6; the filtered high-temperature steam is pressurized by the induced draft fan 2 and then sent to the steam absorption device 4 to process the residual heat, water and dust.
The plastic sintered plate dust remover adopts a unique wave type plastic sintered plate filter core, and compared with the traditional cloth bag, the plastic sintered plate dust remover has a rigid structure, cannot deform, has no framework abrasion, and has long service life (more than 10 times of the cloth bag). The surface of the sintering plate is subjected to advanced treatment, the pore diameter is fine and uniform, the sintering plate has hydrophobicity, dust with high water content is not easy to adhere, and the sintering plate is particularly suitable for treating the dust with high water content; and the surface of the plastic sintered plate filter element is treated by fluorocarbon resin, so that the plastic sintered plate filter element has stronger acid resistance and wear resistance, and is suitable for treating acid gas with high dust concentration.
The steam pipelines 3 are all stainless steel pipes, so that acid gas in high-temperature steam is prevented from corroding equipment and pipelines. The draught fan 2 adopts a stainless steel shell and a stainless steel impeller to prevent acid gas in high-temperature steam from being corroded.
The heat tracing pipeline 7 is formed by arranging a heat tracing sleeve outside the stainless steel steam pipeline 3, introducing steam with the pressure of about 0.2MPa into the heat tracing sleeve for heat tracing, and arranging a heat insulating layer made of heat insulating materials such as rock wool outside the heat tracing sleeve.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A steam absorption system for adding water into a coke intermediate bin to humidify and reduce dust comprises an air suction cover arranged at the upper part of the coke intermediate bin and a steam absorption device connected with the air suction cover through a steam pipeline; the device is characterized by also comprising a dust removal pretreatment device and an induced draft fan; the dust removal pretreatment device is arranged on the steam pipeline, the dust removal pretreatment device is provided with a steam inlet connected with the air suction cover, the dust removal pretreatment device is provided with a steam outlet connected with the steam absorption device, and the dust removal pretreatment device is provided with water and a dust outlet connected with the coke intermediate bin; and a draught fan is arranged on a steam pipeline connecting the dedusting pretreatment device and the steam absorption device.
2. The steam absorption system for humidifying and dedusting the coke intermediate bin by adding water according to claim 1, wherein the dedusting pretreatment device is a plastic-fired plate deduster.
3. The steam absorption system for humidifying and dedusting the coke intermediate bin by adding water according to claim 2, wherein a wavy sintered plate filter core is arranged in the sintered plate dust remover, and carbon fluoride resin is sprayed on the surface of the wavy sintered plate filter core.
4. The system for absorbing steam during humidifying and dedusting of the coke intermediate bin by adding water according to claim 1, wherein the steam pipeline is a stainless steel pipeline.
5. The system of claim 1, wherein the steam pipeline connecting the air suction hood and the dedusting pretreatment device is a heat tracing pipeline.
6. The steam absorption system for adding water to a coke intermediate bin for humidification and dust reduction according to claim 1, wherein a shell and an impeller of the induced draft fan are made of stainless steel.
7. The system for absorbing steam for humidifying and dedusting the coke intermediate bin by adding water into the coke intermediate bin is characterized in that the top of the coke intermediate bin is of a closed structure; the plastic burning plate dust remover and the induced draft fan are both fixedly arranged on a top plate of the coke intermediate bin, one side of the lower part of the plastic burning plate dust remover is provided with a steam inlet, the other side of the upper part of the plastic burning plate dust remover is provided with a steam outlet, and the bottom of the plastic burning plate dust remover is provided with a water outlet and a dust outlet; the heat tracing pipeline connected with the steam inlet penetrates through the top plate and then is connected with the air suction cover, and the dust outlet pipeline connected with the water and dust outlet penetrates through the top plate and then extends into the coke intermediate bin.
8. The steam absorption system for adding water to a coke intermediate bin for humidification and dust fall according to claim 1, wherein the steam absorption device comprises a steam absorber, a cooling tank, a steam distributor and a coke breeze sedimentation tank, the steam pipeline is connected with a steam inlet at one side of the lower part of the steam absorber, the top of the steam absorber is provided with a residual steam outlet which is connected with the steam distributor through a residual steam pipeline, and the residual steam pipeline is provided with a fan; a plurality of air outlets of the steam distributor extend into the water surface of the cooling pool, a slurry pump is arranged in the cooling pool and is connected with a fine coke sedimentation pool through a slurry pipeline, a centrifugal pump is arranged in the fine coke sedimentation pool and is connected with a water spraying inlet on the other side of the upper part of the steam absorber through a water pipeline.
9. The steam absorption system for adding water to a coke intermediate bin for humidification and dust reduction as claimed in claim 1, wherein the control end of the dedusting pretreatment device and the control end of the induced draft fan are interlocked with the main fan of the intermediate bin water-adding humidification and dust removal system through a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785618.7U CN213968234U (en) | 2020-11-26 | 2020-11-26 | Steam absorption system for adding water to humidify coke intermediate bin for dust fall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785618.7U CN213968234U (en) | 2020-11-26 | 2020-11-26 | Steam absorption system for adding water to humidify coke intermediate bin for dust fall |
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| Publication Number | Publication Date |
|---|---|
| CN213968234U true CN213968234U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022785618.7U Active CN213968234U (en) | 2020-11-26 | 2020-11-26 | Steam absorption system for adding water to humidify coke intermediate bin for dust fall |
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| CN (1) | CN213968234U (en) |
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- 2020-11-26 CN CN202022785618.7U patent/CN213968234U/en active Active
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