CN210855984U - Dust collector for dry quenching - Google Patents
Dust collector for dry quenching Download PDFInfo
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- CN210855984U CN210855984U CN201921867250.XU CN201921867250U CN210855984U CN 210855984 U CN210855984 U CN 210855984U CN 201921867250 U CN201921867250 U CN 201921867250U CN 210855984 U CN210855984 U CN 210855984U
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- coke powder
- dust remover
- dry quenching
- circulating gas
- burner
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Abstract
The utility model relates to a dust removal device for dry quenching, which comprises a dust remover, a coke powder bin, a burner and an ash valve; a circulating gas inlet is arranged on one side of the top of the dust remover, a circulating gas outlet is arranged on the other side of the top of the dust remover, the circulating gas inlet is connected with a circulating gas outlet of the dry quenching furnace, and the circulating gas outlet is connected with a circulating gas inlet of the dry quenching boiler; the bottom of the dust remover is provided with a coke powder outlet which is connected with a coke powder inlet at the top of the coke powder bin; a coke powder outlet at the bottom of the coke powder bin is connected with a coke powder inlet at the top of the burner, a combustion-supporting air inlet and a burner nozzle are arranged at one side of the burner, a hot flue gas outlet is arranged at the other side of the burner, and the hot flue gas outlet is connected with a dust remover through a hot flue gas pipeline; an ash discharge valve is arranged at an ash discharge port at the bottom of the combustor. The utility model discloses the burnt powder that the combustor abundant burning that utilizes to locate the dust remover below subsides from the dust remover makes the dry quenching boiler produce more steam in the leading-in circulating gas of a large amount of hot flue gas that will produce to obtain bigger economic benefits.
Description
Technical Field
The utility model relates to a dry coke quenching technical field especially relates to a dust collector for dry coke quenching.
Background
In the process of the dry quenching process, red coke is loaded from the top of a dry quenching furnace, low-temperature inert gas is blown into a red coke layer of a cooling section of the dry quenching furnace by a circulating fan to absorb sensible heat of the red coke, the cooled coke is discharged from the bottom of the dry quenching furnace, high-temperature inert gas discharged from an annular flue of the dry quenching furnace flows through a dry quenching boiler to carry out heat exchange, steam is generated by the dry quenching boiler, the cooled inert gas is blown into the dry quenching furnace again by the circulating fan, and the inert gas is recycled in a closed system. In general, high-temperature circulating gas is separated from coarse-particle coke powder by a primary dust remover and then enters a dry quenching boiler for heat exchange, low-temperature circulating gas with the temperature reduced to about 160 ℃ is discharged from the dry quenching boiler, fine-particle coke powder is further separated by a secondary dust remover and then is sent to a feed water preheater by a circulating fan to be cooled to about 130 ℃, and then the cooled fine-particle coke powder enters the dry quenching boiler for recycling.
The primary dust remover is used for separating large-particle coke powder in the circulating gas, and reducing the scouring abrasion of the circulating gas to a boiler pipeline. At present, the coke powder separated from a primary dust remover is mainly used for sintering, blending coking, preparing coking dust-removing ash-based active carbon and the like, but the separated coke powder has low quality and high energy consumption or is limited by the technical level, so the process has limited economic benefits and is easy to cause environmental pollution.
Disclosure of Invention
The utility model provides a dust collector for dry quenching utilizes the combustor abundant burning of locating the dust remover below to follow the burnt powder that the dust remover subsides, and in the leading-in circulating gas of a large amount of hot flue gas that will produce, make the dry quenching boiler produce more steam to obtain bigger economic benefits.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dust removal device for dry quenching comprises a dust remover, a coke powder bin, a burner and an ash discharge valve which are sequentially connected from top to bottom; a circulating gas inlet is formed in one side of the top of the dust remover, a circulating gas outlet is formed in the other side of the top of the dust remover, the circulating gas inlet is connected with a circulating gas outlet of the dry quenching furnace, and the circulating gas outlet is connected with a circulating gas inlet of the dry quenching boiler; the bottom of the dust remover is provided with a coke powder outlet which is connected with a coke powder inlet at the top of the coke powder bin; a coke powder outlet at the bottom of the coke powder bin is connected with a coke powder inlet at the top of the burner, a combustion-supporting air inlet and a burner nozzle are arranged at one side of the burner, a hot flue gas outlet is arranged at the other side of the burner, and the hot flue gas outlet is connected with a dust remover through a hot flue gas pipeline; an ash discharge valve is arranged at an ash discharge port at the bottom of the combustor.
The dust remover is a gravity settling dust remover.
And a coke powder outlet of the dust remover is connected with a coke powder inlet of the coke powder bin through a flange I.
And a coke powder outlet of the coke powder bin is connected with a coke powder inlet of the combustor through a second flange.
And the ash discharge port of the combustor is connected with the ash discharge valve through a third flange.
And the outer side of the hot flue gas pipeline is provided with a heat insulation layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the coke powder separated by settling from the dust remover can be directly and fully combusted, and a large amount of generated hot flue gas is introduced into the circulating gas, so that the dry quenching boiler generates more steam, the process path is short, the heat recovery efficiency is high, and greater economic benefit is obtained;
2) the load of the subsequent treatment of the coke powder is reduced, the dissipation of the coke powder is reduced, and the method is economic and environment-friendly.
Drawings
FIG. 1 is a schematic structural view of a dust removing device for dry quenching.
In the figure: 1. dust remover 2, coke powder bin 3, combustor 4, ash discharge valve
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, the dust removing device for dry quenching of the utility model comprises a dust remover 1, a coke powder bin 2, a burner 3 and an ash valve 4 which are connected in sequence from top to bottom; a circulating gas inlet is formed in one side of the top of the dust remover 1, a circulating gas outlet is formed in the other side of the top of the dust remover, the circulating gas inlet is connected with a circulating gas outlet of the dry quenching furnace, and the circulating gas outlet is connected with a circulating gas inlet of the dry quenching boiler; the bottom of the dust remover 1 is provided with a coke powder outlet which is connected with a coke powder inlet at the top of the coke powder bin 2; a coke powder outlet at the bottom of the coke powder bin 2 is connected with a coke powder inlet at the top of the combustor 3, one side of the combustor 3 is provided with a combustion-supporting air inlet and a combustor nozzle, the other side of the combustor is provided with a hot flue gas outlet, and the hot flue gas outlet is connected with the dust remover 1 through a hot flue gas pipeline; an ash discharge valve 4 is arranged at an ash discharge port at the bottom of the combustor 3.
The dust remover 1 is a gravity settling dust remover.
And a coke powder outlet of the dust remover 1 is connected with a coke powder inlet of the coke powder bin 2 through a flange I.
And a coke powder outlet of the coke powder bin 2 is connected with a coke powder inlet of the combustor 3 through a second flange.
And the ash discharge port of the combustor 3 is connected with the ash discharge valve 4 through a third flange.
And the outer side of the hot flue gas pipeline is provided with a heat insulation layer.
The circulating gas flows from the dry quenching furnace side to the dry quenching coke boiler side through the dust collector 1, and part of coke powder is settled down in the dust collector 1 due to the action of gravity. The settled coke powder falls into the coke powder bin 2 below. The coke powder is collected by the coke powder bin 2 and then enters the combustor 3, a proper amount of combustion-supporting air is sprayed into the combustor 3, the nozzle of the combustor 3 is ignited to fully combust the coke powder, and hot flue gas generated by combustion is introduced into the dust remover 1 through the coke powder bin 2 or is introduced into the dust remover 1 through a hot flue gas pipeline outside the combustor 3; the hot flue gas brings a large amount of heat into the circulating gas, so that the subsequent dry quenching boiler generates more steam. The ash discharge valve 4 below the combustor 3 is used for controlling the discharge speed of ash, and certain sealing effect is generated by the ash to prevent air from being sucked.
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 (6)
1. A dust removal device for dry quenching is characterized by comprising a dust remover, a coke powder bin, a burner and an ash discharge valve which are sequentially connected from top to bottom; a circulating gas inlet is formed in one side of the top of the dust remover, a circulating gas outlet is formed in the other side of the top of the dust remover, the circulating gas inlet is connected with a circulating gas outlet of the dry quenching furnace, and the circulating gas outlet is connected with a circulating gas inlet of the dry quenching boiler; the bottom of the dust remover is provided with a coke powder outlet which is connected with a coke powder inlet at the top of the coke powder bin; a coke powder outlet at the bottom of the coke powder bin is connected with a coke powder inlet at the top of the burner, a combustion-supporting air inlet and a burner nozzle are arranged at one side of the burner, a hot flue gas outlet is arranged at the other side of the burner, and the hot flue gas outlet is connected with a dust remover through a hot flue gas pipeline; an ash discharge valve is arranged at an ash discharge port at the bottom of the combustor.
2. The dust removing device for dry quenching as claimed in claim 1, wherein the dust remover is a gravity settling dust remover.
3. The dust removing device for dry quenching as claimed in claim 1, wherein the coke powder outlet of the dust remover is connected with the coke powder inlet of the coke powder bin through a flange.
4. The dust removing device for dry quenching as claimed in claim 1, wherein the coke powder outlet of the coke powder bin is connected with the coke powder inlet of the burner by a second flange.
5. The dust removing device for dry quenching as claimed in claim 1, wherein the ash discharge port of the burner is connected with the ash discharge valve through a flange.
6. The dust removing device for dry quenching as claimed in claim 1, wherein an insulating layer is arranged outside the hot flue gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867250.XU CN210855984U (en) | 2019-11-01 | 2019-11-01 | Dust collector for dry quenching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867250.XU CN210855984U (en) | 2019-11-01 | 2019-11-01 | Dust collector for dry quenching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855984U true CN210855984U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921867250.XU Active CN210855984U (en) | 2019-11-01 | 2019-11-01 | Dust collector for dry quenching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699096A (en) * | 2019-11-01 | 2020-01-17 | 中冶焦耐(大连)工程技术有限公司 | Dust removal device for dry quenching and method for improving steam yield of dry quenching boiler |
-
2019
- 2019-11-01 CN CN201921867250.XU patent/CN210855984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699096A (en) * | 2019-11-01 | 2020-01-17 | 中冶焦耐(大连)工程技术有限公司 | Dust removal device for dry quenching and method for improving steam yield of dry quenching boiler |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Zhongyi Inventor after: Zheng Yajie Inventor after: Chen Liuchi Inventor after: Wang Linlin Inventor after: Yang Junfeng Inventor after: Yuan Chaohui Inventor after: Liu Yuhu Inventor after: Zhang Xiongfei Inventor after: Wang Lei Inventor before: Zheng Yajie Inventor before: Chen Liuchi Inventor before: Wang Linlin Inventor before: Yang Junfeng Inventor before: Yuan Chaohui Inventor before: Liu Yuhu Inventor before: Zhang Xiongfei Inventor before: Wang Lei |