CN214050886U - Metal filter element dust remover for ultra-clean emission of primary smoke dust of converter - Google Patents
Metal filter element dust remover for ultra-clean emission of primary smoke dust of converter Download PDFInfo
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- CN214050886U CN214050886U CN202021232136.2U CN202021232136U CN214050886U CN 214050886 U CN214050886 U CN 214050886U CN 202021232136 U CN202021232136 U CN 202021232136U CN 214050886 U CN214050886 U CN 214050886U
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Abstract
The utility model discloses a metal filter element dust remover for the ultra-clean emission of primary smoke dust of a converter, which is positioned between a coal gas switching station and a diffusing chimney; this dust remover includes barrel, air current equipartition board, metal filter, jetting system, one side of barrel lower part sets up the import flue, and the top sets up the export flue, metal filter is located the inner chamber of barrel, air current equipartition board is located metal filter's below, the top at metal filter is set up to the jetting system. The utility model discloses need not carry out the cooling processing of spraying water to the flue gas, water conservation and energy saving, furthest utilizes original system, and the optimal system configuration further removes dust finely, realizes the super clean emission of converter flue gas side of diffusing.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection is removed dust, concretely relates to be used for converter smoke and dust ultra-clean to discharge metal filter dust remover.
Background
In the prior art of ultra-clean emission of primary smoke dust of the converter, a wet electric dust remover is generally adopted before a gas cooler in an LT dry dust removal system is moved forward to a switching station, or a wet electric dust remover is added between the switching station and a chimney,
aiming at the forward movement of the gas cooler, the construction layout of a new project is more convenient and reasonable, but for the project which is already built, the forward movement cannot be realized due to the site, and the gas cooler can be added on the diffusing side again; the outlet of the gas cooler is additionally provided with a set of 'white removing' equipment, so that the gas cooler has a good effect of removing liquid drops in the flue gas, but has no obvious effect on collecting saturated steam, and the outlet of the chimney has a 'white smoke emission' phenomenon under the condition of low ambient temperature; the gas cooler moves forward, and the requirements of saturated flue gas on corrosion prevention and sealing of the switching system main body cup valve body are increased; the gas cooler has lower dust removal efficiency, and the outlet discharge concentration is not easy to guarantee when the dust concentration fluctuation is large.
The wet-type electric dust collector is added between the switching station and the chimney, and the electric dust collector meets three explosion factors in the running process of the system, so that the explosion-proof problem is important, the two electric dust collector systems in one set of converter system have doubled explosion chances, and the commissioning risk is higher.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a dust remover with a metal filter element for ultra-clean emission of primary smoke dust of a converter.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a metal filter element dust remover for ultra-clean emission of primary smoke dust of a converter, which is positioned between a gas switching station and a diffusing chimney; this dust remover includes barrel, air current equipartition board, metal filter, jetting system, one side of barrel lower part sets up the import flue, and the top sets up the export flue, metal filter is located the inner chamber of barrel, air current equipartition board is located metal filter's below, the top at metal filter is set up to the jetting system.
In the scheme, the metal filter element is fixed on the inner side of the cylinder body through the pattern plate.
In the above scheme, the metal filter element adopts a metal keel and metal sintered felt integrated two-section structure, and the metal sintered felt is made of 316L.
In the scheme, the gas bag in the blowing system is internally provided with a heating component for heating the blown nitrogen.
In the above scheme, the heating component comprises a heating pipe and an explosion-proof junction box, the heating pipe is coiled in an air bag of the blowing system, and the end part of the heating pipe is connected with the explosion-proof junction box.
In the scheme, the upper side and the lower side of the cylinder are respectively provided with the top cover and the cone hopper, and the outlet flue is arranged on the top cover and communicated with the inner cavity of the cylinder.
In the scheme, the outside of the cone is wound with the heat tracing assembly.
In the scheme, the two sides of the cone hopper are respectively provided with a cone hopper nitrogen cannon and a nitrogen purging mechanism.
In the scheme, one side of the top cover is provided with the explosion discharging valve.
In the scheme, a manhole door is further arranged on one side of the lower portion of the barrel.
Compared with the prior art, the utility model discloses need not carry out the water spray cooling to the flue gas and handle, water conservation and energy saving, original system is utilized to furthest, and the configuration of optimizing system further removes dust finely, realizes the super clean emission of converter flue gas side of diffusing.
Drawings
FIG. 1 is a schematic structural view of a metal filter element dust remover for ultra-clean emission of primary smoke dust of a converter according to an embodiment of the present invention;
fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below 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 metal filter element dust remover for ultra-clean emission of primary smoke dust of a converter, which is positioned between a gas switching station and a diffusing chimney; this dust remover includes barrel 1, air current equipartition board 2, metal filter 3, jetting system 4, one side of barrel 1 lower part sets up import flue 11, and the top sets up export flue 12, metal filter 3 is located the inner chamber of barrel 1, air current equipartition board 2 is located metal filter 3's below, jetting system 4 sets up the top at metal filter 3, the utility model discloses metal filter 3 can be high temperature resistant, so need not the water spray cooling.
During normal recovery and during emission side ash removal, if the moisture content of the original flue gas is high, the condensation problem exists, and the moisture content limit is about 20%, so that the injected compressed nitrogen needs to be heated.
The metal filter element 3 adopts a metal keel and metal sintered felt integrated two-section structure, and the metal sintered felt is made of 316L.
The metal filter element 3 is fixed on the inner side of the cylinder body 1 through a pattern plate 5.
And a heating assembly 41 is arranged in the air bag in the blowing system 4 and used for heating the blown nitrogen.
The heating assembly 41 comprises a heating pipe 411 and an explosion-proof junction box 412, wherein the heating pipe 411 is coiled in an air bag of the blowing system 4, and the end part of the heating pipe is connected with the explosion-proof junction box 412.
The upper side and the lower side of the cylinder body 1 are respectively provided with a top cover 13 and a cone hopper 14, and the outlet flue 12 is arranged on the top cover 13 and communicated with the inner cavity of the cylinder body 1.
The outside of the cone 14 is wound with a heat tracing component 141.
The heat tracing assembly 141 adopts a heating belt and is wound on the outer part of the cone 14.
The two sides of the cone hopper 14 are respectively provided with a cone hopper nitrogen gun 142 and a nitrogen purging mechanism 143 for an emergency ash discharge port of the cone hopper 14, and when the cone hopper 14 accumulates ash, the ash is discharged emergently.
One side of the top cover 13 is provided with a blast relief valve 131.
And a manhole door 15 is arranged on one side of the lower part of the barrel body 1 and one side of the top cover 13.
The utility model discloses a working process:
smoke and dust enters the lower portion of the barrel body 1 through the inlet flue 11, and then is shunted through the airflow uniform distribution plate 2, the smoke and dust uniformly enters the metal filter element 3 to be filtered, the metal filter element 3 selects corresponding filtering precision according to the particle size of the smoke and dust, then, gas is discharged through the outlet flue 12, dust is temporarily located on the metal filter element 3, when the converter system is in a recovery state, the blowing system 4 blows nitrogen gas heated by the heating pipe 411 downwards towards the metal filter element 3, the blown dust is separated from the metal filter element 3 and falls into the cone hopper 14 to be collected and rotated out, and the cone hopper 14 is externally provided with a heat tracing assembly 141 in a winding mode to prevent the dust in the cone hopper 14 from being subjected to condensation and hardening.
The cone hopper nitrogen cannon 142 assists in discharging ash left and right when the cone hopper 14 discharges ash, and ash accumulation of the ash hopper is prevented.
When the metal filter element 3 needs to be overhauled or replaced, the gas in the cylinder 1 and the cone 14 is replaced by the nitrogen purging mechanism 143, and then the operation is carried out through the manhole door 15.
The utility model is high temperature resistant, corrosion resistant, has good gas permeability and excellent thermal shock resistance; the filter precision of the filter element can be selected according to the particle size of the treated smoke dust, the strict requirement on the concentration of the dust at the inlet is avoided, and the ultra-clean emission can be stably ensured for a long time; the investment cost is low for the reconstruction project, the operation and maintenance are simple, no secondary pollution is generated, and the method has wide application prospect.
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 (10)
1. A metal filter element dust remover for ultra-clean emission of primary smoke dust of a converter is characterized in that the dust remover is positioned between a coal gas switching station and a diffusing chimney; this dust remover includes barrel, air current equipartition board, metal filter, jetting system, one side of barrel lower part sets up the import flue, and the top sets up the export flue, metal filter is located the inner chamber of barrel, air current equipartition board is located metal filter's below, the top at metal filter is set up to the jetting system.
2. The dust remover for the metal filter element for the ultra-clean emission of the primary smoke of the converter according to claim 1, wherein the metal filter element is fixed at the inner side of the cylinder body through a pattern plate.
3. The dust remover for the metal filter element for the ultra-clean emission of the primary smoke of the converter according to claim 1 or 2, wherein the metal filter element is of a two-section structure integrating a metal keel and a metal sintered felt, and the metal sintered felt is made of 316L.
4. The metal filter element dust remover for the ultra-clean emission of the primary smoke of the converter according to claim 3, wherein a heating component is arranged in the gas bag of the blowing system for heating the blown nitrogen.
5. The metal filter element dust remover for ultra-clean emission of primary smoke of the converter according to claim 4, wherein the heating assembly comprises a heating pipe and an explosion-proof junction box, the heating pipe is coiled in an air bag of the blowing system, and the end part of the heating pipe is connected with the explosion-proof junction box.
6. The dust remover for the metal filter element for the ultra-clean emission of the primary smoke of the converter according to claim 5, wherein a top cover and a cone hopper are respectively arranged at the upper side and the lower side of the cylinder body, and the outlet flue is arranged on the top cover and communicated with the inner cavity of the cylinder body.
7. The metal filter element dust remover for ultra-clean emission of primary smoke of the converter according to claim 6, wherein a heat tracing assembly is wound outside the cone hopper.
8. The dust remover for the primary smoke ultra-clean emission metal filter element of the converter according to claim 7, wherein two sides of the cone hopper are respectively provided with a cone hopper nitrogen gun and a nitrogen purging mechanism.
9. The metal filter element dust remover for ultra-clean emission of primary smoke of converter according to claim 8, wherein one side of the top cover is provided with an explosion relief valve.
10. The dust remover for the metal filter element for the ultra-clean emission of the primary smoke of the converter according to claim 9, wherein a manhole door is further arranged on one side of the lower part of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232136.2U CN214050886U (en) | 2020-06-29 | 2020-06-29 | Metal filter element dust remover for ultra-clean emission of primary smoke dust of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232136.2U CN214050886U (en) | 2020-06-29 | 2020-06-29 | Metal filter element dust remover for ultra-clean emission of primary smoke dust of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214050886U true CN214050886U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232136.2U Active CN214050886U (en) | 2020-06-29 | 2020-06-29 | Metal filter element dust remover for ultra-clean emission of primary smoke dust of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214050886U (en) |
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2020
- 2020-06-29 CN CN202021232136.2U patent/CN214050886U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
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| CP01 | Change in the name or title of a patent holder |