CN217459486U - Protection device for converter primary dry method metal filter element dust remover - Google Patents
Protection device for converter primary dry method metal filter element dust remover Download PDFInfo
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- CN217459486U CN217459486U CN202122841165.XU CN202122841165U CN217459486U CN 217459486 U CN217459486 U CN 217459486U CN 202122841165 U CN202122841165 U CN 202122841165U CN 217459486 U CN217459486 U CN 217459486U
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- metal filter
- dust remover
- filter element
- flue gas
- element dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a dry process metallic filter dust remover protection device of converter, include coal gas axial fan, gas analysis appearance, retrieve the subassembly, diffuse cup valve, switch over subassembly, metallic filter dust removal mechanism, protection mechanism and diffuse the chimney. The utility model discloses a set up protection mechanism, make the metal filter dust remover realize overhauing when not blowing out and trade the bag, the metal filter dust remover is after long-time blowing out and restart, high wet flue gas is through the direct row of protection mechanism to the chimney, avoid sticking with paste the bag, gambling ash, the quick discharge of condensate water ability in pipeline and the metal filter dust remover avoids causing equipment corrosion, to diffusing the accurate dust removal of side flue gas and providing the safeguard measure, for the converter one-time dry process dust removal diffuses the side ultralow emission and provides more favorable measure.
Description
Technical Field
The utility model relates to a protection technical field of dust remover, concretely relates to dry process metallic filter dust remover protection device of converter.
Background
At present, in the prior art of converter primary smoke and dust ultra-clean emission, the furnace shutdown maintenance is needed when the metal filter element dust remover is maintained, when the furnace is not shut down, the metal filter element dust remover cannot be maintained and the bag is replaced, when the furnace is shut down and the furnace is opened again, the temperature of a dust removal system is low, the moisture content is large, the flow velocity of smoke entering the metal filter element dust remover suddenly drops, the retention time of the smoke in a cylinder is longer, the temperature of a metal filter bag and the temperature of the cylinder are lower than the dew point temperature, saturated wet smoke is in contact condensation with the cylinder of the metal filter element dust remover, a large amount of condensed water is generated in a flue and the metal filter element dust remover, the bag of the metal filter bag can be stuck, ash in an ash bucket is wet, and the ash is piled up seriously and the corrosion in equipment can be caused for a long time.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a protection device for a primary dry method metal filter element dust remover for a converter.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the embodiment of the utility model provides a converter primary dry method metal filter element dust remover protection device, which comprises a gas axial flow fan, a gas analyzer, a recovery assembly, a diffusing cup valve, a switching assembly, a metal filter element dust removal mechanism, a protection mechanism and a diffusing chimney;
the coal gas axial flow fan is used for receiving primary flue gas of the converter and conveying the flue gas to the gas analyzer;
after the gas analyzer analyzes the flue gas, the flue gas which meets the requirements is recovered through the recovery assembly, and the flue gas which does not meet the requirements is transmitted to the switching assembly through the diffusing cup valve, conveyed to the metal filter element dust removal mechanism for dust removal, and then conveyed to the diffusing chimney for emission;
and two ends of the protection mechanism are respectively connected with the switching assembly and the diffusing chimney and used for discharging smoke when the metal filter element dust removal mechanism is maintained.
The switching assembly is used for switching the metal filter element dust removal mechanism and the protection mechanism.
The utility model discloses it is preferred, the switching module includes that the flue gas is responsible for, first flue gas pipe, second flue gas pipe, first valve and second valve, the one end that the flue gas was responsible for is connected with the one end of diffusing the cup valve, the other end that the flue gas was responsible for is connected with the one end of first flue gas pipe and second flue gas pipe respectively, be provided with first valve on the first flue gas pipe, be provided with the second valve on the second flue gas pipe
The utility model discloses preferred, metal filter core dust removal mechanism includes first metal filter core dust remover and the first drainage subassembly that catchments, the one end of first metal filter core dust remover is connected with the one end of first flue gas pipe, the other end of first metal filter core dust remover with diffuse the chimney and be connected, first drainage subassembly that catchments sets up in the bottom of first metal filter core dust remover for discharge the comdenstion water in the first metal filter core dust remover.
The utility model discloses it is preferred, first drainage subassembly that catchments includes first water collector, first drain valve, first drainage drain valve and first blowdown valve, first water collector sets up inside first metal filter dust remover, the pipeline of first water collector is connected with first drain valve after stretching out first metal filter dust remover, the one end that first metal filter dust remover and first flue gas union coupling is provided with first drainage drain valve that catchments, the bottom of first metal filter dust remover is provided with first blowdown valve.
The utility model discloses preferred, a metal filter dust remover is provided with first check valve with the one end of diffusing the chimney's being connected.
The utility model discloses it is preferred, protection mechanism is flue gas conveyer pipe, flue gas conveyer pipe's one end is connected with the one end of second flue gas pipe, flue gas conveyer pipe's the other end with diffuse the chimney and be connected.
The utility model discloses it is preferred, protection mechanism includes second metal filter core dust remover and second drainage subassembly that catchments, the one end and the one end of second flue gas pipe of second metal filter core dust remover are connected, the other end and the stack that diffuses of second metal filter core dust remover are connected, the second drainage subassembly that catchments sets up in the bottom of second metal filter core dust remover for discharge the comdenstion water in the second metal filter core dust remover.
The utility model discloses it is preferred, second drainage subassembly that catchments includes second water collector, second drain valve, second drainage valve and second blowoff valve, the second water collector sets up inside second metal filter dust remover, the pipeline of second water collector is connected with the second drain valve after stretching out second metal filter dust remover, the one end that second metal filter dust remover and second flue gas union coupling is provided with second drainage valve that catchments, the bottom of second metal filter dust remover is provided with the second blowoff valve.
The utility model discloses preferred, second metal filter core dust remover is provided with the second check valve with the one end of diffusing the chimney's being connected.
The utility model discloses preferred, it is the gas chamber to retrieve the subassembly for retrieve the flue gas that meets the requirements.
Compared with the prior art, the utility model discloses a set up protection mechanism, make the metal filter dust remover realize overhauing when not shutting down the stove and trade the bag, the metal filter dust remover is after long-time blowing out is restarted, high wet flue gas is through the direct discharge of protection mechanism to the chimney, avoid pasting the bag, gamble ash, the quick discharge of condensate water ability in pipeline and the metal filter dust remover avoids causing the equipment corrosion, to providing the safeguard measure to diffusing the accurate dust removal of side flue gas, it provides more favorable measure to diffuse the ultralow emission of side for converter dry process dust removal.
Drawings
FIG. 1 is a schematic structural view of a protection device for a primary dry-process metal filter element dust remover of a converter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a primary dry method metal filter element dust remover protection device for a converter according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a converter primary dry method metal filter element dust remover protection device, as shown in figure 1-figure 2, including coal gas axial fan 1, gas analysis appearance 2, retrieve the subassembly, diffuse cup valve 4, switching components, metal filter element dust removal mechanism, protection mechanism and diffuse chimney 9;
the coal gas axial flow fan 1 is used for receiving primary flue gas of the converter and conveying the flue gas to the gas analyzer 2;
after the gas analyzer 2 analyzes the flue gas, the flue gas which meets the requirements is recovered through the recovery assembly, and the flue gas which does not meet the requirements is transmitted to the switching assembly through the diffusing cup valve 4, conveyed to the metal filter element dust removal mechanism for dust removal and then conveyed to the diffusing chimney 9 for emission;
and two ends of the protection mechanism are respectively connected with the switching assembly and the diffusing chimney 9 and used for discharging smoke when the metal filter element dust removal mechanism is maintained.
The switching assembly is used for switching the metal filter element dust removal mechanism and the protection mechanism.
As shown in fig. 1 and 2, the switching assembly includes a main flue gas pipe 51, a first flue gas pipe 52, a second flue gas pipe 53, a first valve 54 and a second valve 55, one end of the main flue gas pipe 51 is connected with one end of the diffusing cup valve 4, the other end of the main flue gas pipe 51 is connected with one end of the first flue gas pipe 52 and one end of the second flue gas pipe 53, the first flue gas pipe 52 is provided with the first valve 54, and the second flue gas pipe 53 is provided with the second valve 55.
As shown in fig. 1 and 2, the metal filter element dust removing mechanism includes a first metal filter element dust remover and a first water collecting and draining assembly, one end of the first metal filter element dust remover is connected with one end of a first flue gas pipe 52, the other end of the first metal filter element dust remover is connected with a diffusing chimney 9, and the first water collecting and draining assembly is arranged at the bottom of the first metal filter element dust remover and is used for discharging condensed water in the first metal filter element dust remover.
As shown in fig. 1 and 2, the first water collecting and draining assembly includes a first water collector 61, a first draining valve 62, a first water collecting and draining valve 63 and a first draining valve 64, the first water collector 61 is disposed inside the first metal filter dust remover 6, a first draining valve 62 is connected to a pipe of the first water collector 61 after extending out of the first metal filter dust remover 6, the first water collecting and draining valve 63 is disposed at one end of the first metal filter dust remover 6 connected with the first flue gas pipe 52, the first draining valve 64 is disposed at the bottom of the first metal filter dust remover 6, and a first check valve 81 is disposed at one end of the first metal filter dust remover 6 connected with the emission chimney 9.
The recovery component is a gas tank 3 for recovering the flue gas meeting the requirements.
The first embodiment is as follows:
as shown in fig. 1, the protection mechanism is a flue gas delivery pipe 10, one end of the flue gas delivery pipe 10 is connected with one end of a second flue gas pipe 53, and the other end of the flue gas delivery pipe 10 is connected with a diffusion chimney 9.
Example two:
as shown in fig. 2, the protection mechanism includes a second metal filter element dust remover 7 and a second water collecting and draining assembly, one end of the second metal filter element dust remover 7 is connected with one end of a second flue gas pipe 53, the other end of the second metal filter element dust remover 7 is connected with a diffusing chimney 9, and the second water collecting and draining assembly is arranged at the bottom of the second metal filter element dust remover 7 and is used for discharging condensed water in the second metal filter element dust remover 7.
As shown in fig. 2, the second water collecting and draining assembly includes a second water collector 71, a second water draining valve 72, a second water collecting and draining valve 73 and a second blowoff valve 74, the second water collector 71 is disposed inside the second metal filter dust remover 7, a second water draining valve 72 is connected to a pipe of the second water collector 71 after extending out of the second metal filter dust remover 7, the second water collecting and draining valve 73 is disposed at one end of the second metal filter dust remover 7 connected with the second flue gas pipe 53, the second blowoff valve 74 is disposed at the bottom of the second metal filter dust remover 7, and a second check valve 82 is disposed at one end of the second metal filter dust remover 7 connected with the bleeding chimney 9.
The working principle of the utility model is as follows:
as shown in fig. 1, in the first embodiment, the protection mechanism is configured as a flue gas conveying pipe 10, one end of the flue gas conveying pipe 10 is connected with one end of a second flue gas pipe 53, and the other end of the flue gas conveying pipe 10 is connected with a diffusing chimney 9; when the first metal filter dust remover 6 needs to be overhauled, the first valve 54 and the first check valve 81 are closed, the first metal filter dust remover 6 can be isolated from being overhauled, meanwhile, the second valve 55 is opened, and the flue gas is conveyed to the emission chimney 9 through the flue gas conveying pipe 10, so that the first metal filter dust remover 6 is overhauled in a non-shutdown state of the converter.
As shown in fig. 2, in the second embodiment, in order to prevent dust in the flue gas from being discharged into the emission chimney 9 to pollute the atmosphere, the protection mechanism is set as a second metal filter element deduster 7, one end of the second metal filter element deduster 7 is connected with one end of a second flue gas pipe 53, and the other end of the second metal filter element deduster 7 is connected with the emission chimney 9; when the first metal filter element dust remover 6 needs to be overhauled, the first valve 54 and the first check valve 81 are closed, the first metal filter element dust remover 6 can be isolated for overhauling, the second valve 55 is opened simultaneously, flue gas is conveyed to the diffusing chimney 9 after being dedusted by the second metal filter element dust remover 7, the first metal filter element dust remover 6 is overhauled by the converter in a non-shutdown state, and meanwhile, the phenomenon that dust in the flue gas is discharged into the diffusing chimney 9 to pollute the atmosphere can be avoided.
To sum up, the utility model discloses a set up protection mechanism, make the metal filter dust remover realize overhauing when not shutting down the stove and trade the bag, the metal filter dust remover is after long-time blowing out is restarted, and high wet flue gas is through the direct row of protection mechanism to the chimney, avoids sticking with paste the bag, the ash of betting, and the condensation water energy discharges fast in pipeline and the metal filter dust remover, avoids causing the equipment corrosion, provides safeguard procedures to diffusing the smart dust removal of side flue gas, and the ultralow emission of side of diffusing provides more favorable measure for dry process dust removal of converter.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood according to specific situations by those of ordinary skill in the art.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A protection device for a converter primary dry method metal filter element dust remover is characterized by comprising a gas axial flow fan, a gas analyzer, a recovery assembly, a diffusing cup valve, a switching assembly, a metal filter element dust removal mechanism, a protection mechanism and a diffusing chimney;
the gas axial flow fan is used for receiving primary flue gas of the converter and conveying the flue gas to the gas analyzer;
after the gas analyzer analyzes the flue gas, the flue gas which meets the requirements is recovered through the recovery assembly, and the flue gas which does not meet the requirements is transmitted to the switching assembly through the diffusing cup valve, is conveyed to the metal filter core dust removal mechanism for dust removal, and is conveyed to the diffusing chimney for emission;
two ends of the protection mechanism are respectively connected with the switching assembly and the diffusing chimney and used for discharging smoke when the metal filter element dust removal mechanism is maintained;
the switching assembly is used for switching the metal filter element dust removal mechanism and the protection mechanism;
the switching assembly comprises a main flue gas pipe, a first flue gas pipe, a second flue gas pipe, a first valve and a second valve, one end of the main flue gas pipe is connected with one end of the diffusing cup valve, the other end of the main flue gas pipe is respectively connected with one end of the first flue gas pipe and one end of the second flue gas pipe, the first flue gas pipe is provided with the first valve, and the second flue gas pipe is provided with the second valve;
the metal filter element dust removing mechanism comprises a first metal filter element dust remover and a first water collecting and draining assembly, one end of the first metal filter element dust remover is connected with one end of a first smoke pipe, the other end of the first metal filter element dust remover is connected with a diffusing chimney, and the first water collecting and draining assembly is arranged at the bottom of the first metal filter element dust remover and used for discharging condensed water in the first metal filter element dust remover.
2. The protection device for the once dry metal filter element dust remover for the converter according to claim 1, wherein the first water collecting and draining component comprises a first water collector, a first draining valve, a first water collecting and draining valve and a first sewage draining valve, the first water collector is arranged inside the first metal filter element dust remover, a first draining valve is connected to a pipeline of the first water collector after the pipeline of the first water collector extends out of the first metal filter element dust remover, the first water collecting and draining valve is arranged at one end of the first metal filter element dust remover, which is connected with the first flue gas pipe, and the first sewage draining valve is arranged at the bottom of the first metal filter element dust remover.
3. The protection device for the once dry metal filter element dust remover of the converter according to claim 2, wherein a first check valve is arranged at one end of the first metal filter element dust remover connected with the emission chimney.
4. The protection device for the converter primary dry method metal filter element dust remover according to claim 2 or 3, wherein the protection mechanism is a flue gas conveying pipe, one end of the flue gas conveying pipe is connected with one end of a second flue gas pipe, and the other end of the flue gas conveying pipe is connected with a diffusion chimney.
5. The protection device for the once dry metal filter element dust remover of the converter according to claim 4, wherein the protection mechanism comprises a second metal filter element dust remover and a second water collecting and draining assembly, one end of the second metal filter element dust remover is connected with one end of a second flue gas pipe, the other end of the second metal filter element dust remover is connected with a blow-off chimney, and the second water collecting and draining assembly is arranged at the bottom of the second metal filter element dust remover and used for discharging condensed water in the second metal filter element dust remover.
6. The protection device for the once dry metal filter element dust remover for the converter according to claim 5, wherein the second water collecting and draining component comprises a second water collector, a second water draining valve, a second water collecting and draining valve and a second blow-down valve, the second water collector is arranged inside the second metal filter element dust remover, a second water draining valve is connected after a pipeline of the second water collector extends out of the second metal filter element dust remover, the second water collecting and draining valve is arranged at one end of the second metal filter element dust remover, which is connected with the second flue gas pipe, and the second blow-down valve is arranged at the bottom of the second metal filter element dust remover.
7. The protection device for the primary dry metal filter element dust remover of the converter according to claim 6, wherein a second check valve is arranged at one end of the second metal filter element dust remover, which is connected with the emission chimney.
8. The protection device for the once dry metal filter element dust remover of the converter according to claim 7, wherein the recovery component is a gas tank for recovering flue gas meeting requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841165.XU CN217459486U (en) | 2021-11-18 | 2021-11-18 | Protection device for converter primary dry method metal filter element dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841165.XU CN217459486U (en) | 2021-11-18 | 2021-11-18 | Protection device for converter primary dry method metal filter element dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217459486U true CN217459486U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122841165.XU Active CN217459486U (en) | 2021-11-18 | 2021-11-18 | Protection device for converter primary dry method metal filter element dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217459486U (en) |
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2021
- 2021-11-18 CN CN202122841165.XU patent/CN217459486U/en active Active
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Address after: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee after: Xi'an Longjing Environmental Protection Technology Co.,Ltd. Address before: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: XI'AN XIKUANG ENVIRONMENTAL PROTECTION Co.,Ltd. |