CN211601596U - High-temperature dust removal system of brown corundum high-temperature smelting furnace - Google Patents
High-temperature dust removal system of brown corundum high-temperature smelting furnace Download PDFInfo
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- CN211601596U CN211601596U CN201922388097.9U CN201922388097U CN211601596U CN 211601596 U CN211601596 U CN 211601596U CN 201922388097 U CN201922388097 U CN 201922388097U CN 211601596 U CN211601596 U CN 211601596U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
A high-temperature dust removal system for a brown corundum high-temperature smelting furnace comprises an inverted ladle flue gas collecting cover, a smelting furnace flue gas collecting cover, a pipeline, a mechanical cooling device, a filter cartridge dust remover, a first air pipe, a second air pipe, an induced draft fan, a chimney and a PLC control system; the ladle flue gas collecting cover and the smelting furnace flue gas collecting cover are connected with the gas inlet end of the pipeline, and the pipeline is connected with the mechanical cooling device; the mechanical cooling device is connected with the filter cartridge dust remover; the filter cartridge deduster is connected with the air inlet end of the induced draft fan; the induced draft fan is connected with the chimney; a smoke bin and a cooling bin are formed in the mechanical cooling device; the filter cartridge forms a gas purifying chamber and a filter chamber; the filter cartridge is positioned in the filter chamber and is communicated with the air purifying chamber; an air outlet is arranged above the side wall of the air purifying chamber, and a blowing device is arranged above the air purifying chamber. The utility model discloses in, the mechanical cooling device cools down, strains a dust remover and filters and purify the gas, and whole process is gone on in proper order according to the good procedure of arranging by PLC control system.
Description
Technical Field
The utility model relates to a high temperature dust-laden gas dust removal technical field especially relates to a brown corundum pyrometallurgical furnace high temperature dust pelletizing system.
Background
One of the main methods of filtering and dedusting type industrial dedusting is that the smoke generated in the smelting process can only be collected in the current market, and the smoke can not be collected in the whole process.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a brown fused alumina pyrometallurgical furnace high temperature dust pelletizing system, it is big to have a filter area, and it is high to be suitable for the flue gas temperature, and operation, easy maintenance, can not only solve smelting process gas cleaning and can also realize the ladle process gas cleaning, realize the ultralow emission of flue gas, and whole process intelligent control.
(II) technical scheme
The utility model provides a brown corundum high-temperature smelting furnace high-temperature dust removal system, which comprises an inverted package smoke collection cover, a smelting furnace smoke collection cover, a pipeline, a mechanical cooling device, a filter cartridge dust remover, a first air pipe, a second air pipe, an induced draft fan, a chimney and a PLC control system;
the ladle flue gas collecting cover and the smelting furnace flue gas collecting cover are connected with the air inlet end of the pipeline, and a ventilation butterfly valve is arranged on the pipeline and positioned above the ladle flue gas collecting cover; the air outlet end of the pipeline is connected with a mechanical cooling device; the mechanical cooling device is connected with the filter cartridge dust remover through a first air pipe; the air outlet end of the filter cartridge deduster is connected with the air inlet end of the induced draft fan through a second air pipe; the air outlet end of the induced draft fan is connected with the chimney;
the mechanical cooling device comprises a stainless steel pipe and a first clapboard; the multiple rows of stainless steel pipes are arranged in the mechanical cooling device side by side; the first partition plate is positioned in the mechanical cooling device, and a flue gas bin positioned above the first partition plate and a cooling bin positioned below the first partition plate are formed in the mechanical cooling device; the lower part of the mechanical cooling device is provided with an ash storage hopper; the bottom of the ash storage hopper is provided with an ash discharge valve;
the filter cartridge deduster comprises a plurality of deduster units arranged in parallel, and each deduster unit comprises a second partition plate, a filter cartridge, a pattern plate, a quick-descending air duct and a blowing pipe; the second clapboard is arranged in the filter cartridge deduster; the filter cartridge deduster is internally provided with a gas purifying chamber positioned above the second partition plate and a filter chamber positioned below the second partition plate; the filter cartridge is positioned in the filter chamber, the bottom of the filter cartridge is closed, the upper part of the filter cartridge is connected with the pattern plate, and the filter cartridge is communicated with the air purifying chamber through a hole formed in the pattern plate; the quick-descending air duct is positioned at the bottom of the filtering chamber; the filter chamber is communicated with the first air pipe through a quick-drop air duct, an air outlet is arranged above the side wall of the air purifying chamber, and a blowing device is arranged above the air purifying chamber; an air outlet butterfly valve is arranged on the air outlet; the blowing device is connected with the air purifying chamber through a blowing pipe; the bottom of the filter cartridge deduster is provided with a dust collecting chamber; the bottom of the dust collecting chamber is provided with an ash outlet;
the PLC control system is in control connection with the cold air valve, the draught fan, the air outlet butterfly valve, the ventilation butterfly valve, the blowing device and the ash discharge valve.
Preferably, a high-pressure axial flow fan is arranged outside the stainless steel pipe.
Preferably, a cold air pipe is arranged on the first air pipe, and a cold air valve is arranged on the cold air pipe.
Preferably, the draught fans are arranged in two groups, a group of draught fans is opened when the smelting furnace works, and two groups of draught fans are opened when ladle pouring is finished in smelting.
The above technical scheme of the utility model has following profitable technological effect: when the brown corundum smelting furnace works, high-temperature dust-containing gas flows through the smelting furnace smoke collecting cover to be collected and enters the mechanical cooling device through the pipeline to be cooled, and when the smelting furnace finishes smelting and ladle-down, the high-temperature smoke generated is collected by the ladle-down smoke collecting cover and enters the mechanical cooling device through the pipeline to be cooled. When the flue gas enters the speed reduction air duct of the filter cartridge dust remover, the airflow is decelerated and uniformly distributed to enter the filter chambers of each dust removal unit, dust with coarser particles is separated from the airflow and is settled to the filter chambers, dust with smaller particle size is blocked on the outer surface of the filter cartridge when the dust penetrates through the filter cartridge along with the airflow, and the purified gas enters the gas purification chamber and is discharged through the air outlet; in order to remove accumulated dust on the surface of the filter cylinder, a PLC control system can send an instruction to close an air outlet butterfly valve and simultaneously open a blowing device, so that compressed air is blown out at a high speed through a blowing pipe, surrounding air which is several times of the amount of the sprayed air is driven to enter a cavity of the filter cylinder, high-speed air flow from inside to outside is formed, the dust accumulated outside the filter cylinder is blown down by the high-speed air flow and is settled in a filter chamber, and finally the dust is discharged through an ash outlet. The whole process is carried out in sequence by the PLC control system according to the programmed program.
Drawings
FIG. 1 is the structural schematic diagram of the high-temperature dust removal system of the brown fused alumina high-temperature smelting furnace provided by the utility model.
FIG. 2 is the structural schematic diagram of the mechanical cooling device in the high-temperature dust removal system of the brown fused alumina high-temperature smelting furnace.
FIG. 3 is the schematic structural diagram of a filter cartridge dust remover in the high temperature dust removing system of the brown fused alumina high temperature smelting furnace provided by the utility model.
FIG. 4 is the schematic structural diagram of the dust collector unit in the high temperature dust removing system of the brown fused alumina high temperature smelting furnace provided by the utility model.
Reference numerals: 1. a reverse ladle flue gas collecting cover; 11. a ventilation butterfly valve; 2. a smoke collecting cover of the smelting furnace; 3. a pipeline; 4. a mechanical cooling device; 41. a stainless steel tube; 42. a first separator; 43. a flue gas bin; 44. a cooling bin; 45. a high-pressure axial flow fan; 46. a dust storage hopper; 47. an ash discharge valve; 5. a cold air pipe; 51. a cold air valve; 6. a cartridge filter; 61. a second separator; 62. a gas purifying chamber; 63. a filtering chamber; 64. a dust collecting chamber; 65. an ash outlet; 66. a filter cartridge; 67. a pattern plate; 68. a speed reduction air duct; 69. an air inlet; 610. an air outlet; 611. an air outlet butterfly valve; 612. a blowing device; 613. a blowing pipe; 71. a first air duct; 72. a second air duct; 8. an induced draft fan; 9. a chimney; 10. and (4) a PLC control system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the high-temperature dust removal system for brown fused alumina high-temperature smelting furnace provided by the utility model comprises an inverted package flue gas collecting cover 1, a smelting furnace flue gas collecting cover 2, a pipeline 3, a mechanical cooling device 4, a filter cartridge dust remover 6, a first air pipe 71, a second air pipe 72, an induced draft fan 8, a chimney 9 and a PLC control system 10;
the ladle flue gas collecting cover 1 and the smelting furnace flue gas collecting cover 2 are connected with the gas inlet end of a pipeline 3, a ventilation butterfly valve 11 is arranged on the pipeline 3, and the ventilation butterfly valve 11 is positioned above the ladle flue gas collecting cover 1; the air outlet end of the pipeline 3 is connected with a mechanical cooling device 4; the mechanical cooling device 4 is connected with the filter cartridge dust remover 6 through a first air pipe 71; the air outlet end of the filter cartridge deduster 6 is connected with the air inlet end of the induced draft fan 8 through a second air pipe 72; the air outlet end of the induced draft fan 8 is connected with a chimney 9;
the mechanical cooling device 4 comprises a stainless steel pipe 41 and a first clapboard 42; the multiple rows of stainless steel pipes 41 are arranged in the mechanical cooling device 4 side by side; the first partition plate 42 is positioned in the mechanical cooling device 4, and a flue gas bin 43 positioned above the first partition plate 42 and a cooling bin 44 positioned below the first partition plate 42 are formed in the mechanical cooling device 4; the lower part of the mechanical cooling device 4 is provided with an ash storage hopper 46; the bottom of the ash storage bucket 46 is provided with an ash discharge valve 47;
the cartridge dust collector 6 includes a plurality of dust collector units arranged in parallel, the dust collector units including a second partition plate 61, a filter cartridge 66, a perforated plate 67, a deceleration air duct 68, and an injection duct 613; the second partition plate 61 is provided in the cartridge dust collector 6; the filter cartridge dust remover 6 is internally provided with a gas purifying chamber 62 positioned above the second partition plate 61 and a filter chamber 63 positioned below the second partition plate 61; the filter cartridge 66 is positioned in the filter chamber 63, the bottom of the filter cartridge 66 is closed, the upper part of the filter cartridge 66 is connected with the flower plate 67, and the filter cartridge 66 is communicated with the air purifying chamber 62 through a hole formed in the flower plate 67; the speed reducing air duct 68 is positioned at the bottom of the filtering chamber 63; the filter chamber 63 is communicated with the first air pipe 71 through a speed reduction air duct 68, an air outlet 610 is arranged above the side wall of the air purifying chamber 62, and a blowing device 612 is arranged above the air purifying chamber 62; an air outlet butterfly valve 611 is arranged on the air outlet 610; the blowing device 612 is connected to the clean air chamber 62 through a blowing pipe 613; the bottom of the filter cartridge dust remover 6 is provided with a dust collecting chamber 64; the bottom of the dust collecting chamber 64 is provided with an ash outlet 65;
the PLC control system 10 is in control connection with the cold air valve 51, the draught fan 8, the air outlet butterfly valve 611, the ventilation butterfly valve 11, the blowing device 612 and the ash discharge valve 47.
The utility model discloses in, high temperature dusty gas flow is collected cover 2 and is collected and get into mechanical power heat sink 4 by pipeline 3 and cool down when brown fused alumina smelting furnace work through smelting furnace flue gas, and the high temperature flue gas that produces when smelting furnace smelting finishes pouring is collected cover 1 and is collected and get into mechanical power heat sink 4 by pipeline 3 and cool down by pouring the package flue gas. When the flue gas enters the speed reducing air duct 68 of the filter cartridge dust collector 6, the air flow is decelerated and uniformly distributed to enter the filter chambers 63 of each dust removing unit, at this time, dust with coarser particles is separated from the air flow and is settled to the filter chambers 63, while dust with smaller particle size is blocked on the outer surface of the filter cartridges 66 when the air flow penetrates through the filter cartridges 66, and the purified gas enters the air purifying chamber 62 and is discharged through the air outlet 610; in order to remove the accumulated dust on the surface of the filter cartridge 66, the PLC control system 10 sends an instruction to close the butterfly valve 611 of the air outlet, and at the same time, opens the blowing device, so that the compressed air is blown out at a high speed through the blowing pipe 613, and at the same time, the ambient air which is several times of the amount of the blown air enters the cavity of the filter cartridge 66, so as to form a high-speed airflow from inside to outside, so that the dust accumulated outside the filter cartridge 66 is blown down by the high-speed airflow and settled into the filter chamber 63, and finally discharged through. The whole process is carried out by the PLC control system 10 according to the programmed program in sequence.
In an alternative embodiment, a high-pressure axial flow fan 45 is arranged outside the stainless steel pipe 41; for cooling the stainless steel pipe 41.
In an alternative embodiment, the first air duct 71 is provided with a cold air duct 5, and the cold air duct 5 is provided with a cold air valve 51; when the temperature of the flue gas entering the filter cartridge dust remover 6 is over-temperature due to excessive fluctuation of the temperature of the flue gas, the PLC control system 10 opens the cold air valve 51 so as to reduce the temperature of the flue gas.
In an optional embodiment, two groups of induced draft fans 8 are arranged, one group of induced draft fans 8 is started when the smelting furnace works, and two groups of induced draft fans 8 are started when the ladle is turned over after smelting is finished; the air purification range and the purification speed are improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. A high-temperature dust removal system for a brown corundum high-temperature smelting furnace is characterized by comprising an inverted ladle flue gas collecting cover (1), a smelting furnace flue gas collecting cover (2), a pipeline (3), a mechanical cooling device (4), a filter cartridge dust remover (6), a first air pipe (71), a second air pipe (72), an induced draft fan (8), a chimney (9) and a PLC (programmable logic controller) control system (10);
the ladle-to-ladle flue gas collecting cover (1) and the smelting furnace flue gas collecting cover (2) are connected with the gas inlet end of the pipeline (3), a ventilation butterfly valve (11) is arranged on the pipeline (3), and the ventilation butterfly valve (11) is positioned above the ladle-to-ladle flue gas collecting cover (1); the air outlet end of the pipeline (3) is connected with the mechanical cooling device (4); the mechanical cooling device (4) is connected with the filter cartridge dust remover (6) through a first air pipe (71); the air outlet end of the filter cartridge deduster (6) is connected with the air inlet end of the induced draft fan (8) through a second air pipe (72); the air outlet end of the induced draft fan (8) is connected with a chimney (9);
the mechanical cooling device (4) comprises a stainless steel pipe (41) and a first clapboard (42); multiple rows of stainless steel pipes (41) are arranged in the mechanical cooling device (4) side by side; the first partition plate (42) is positioned in the mechanical cooling device (4), and a flue gas bin (43) positioned above the first partition plate (42) and a cooling bin (44) positioned below the first partition plate (42) are formed in the mechanical cooling device (4); the lower part of the mechanical cooling device (4) is provided with an ash storage hopper (46); the bottom of the ash storage hopper (46) is provided with an ash discharge valve (47);
the filter cartridge dust remover (6) comprises a plurality of dust remover units arranged in parallel, and each dust remover unit comprises a second partition plate (61), a filter cartridge (66), a pattern plate (67), a speed reduction air duct (68) and a blowing pipe (613); the second clapboard (61) is arranged in the filter cartridge deduster (6); an air purifying chamber (62) positioned above the second partition plate (61) and a filter chamber (63) positioned below the second partition plate (61) are formed in the filter cartridge deduster (6); the filter cartridge (66) is positioned in the filter chamber (63), the bottom of the filter cartridge (66) is closed, the upper part of the filter cartridge (66) is connected with the pattern plate (67), and the filter cartridge (66) is communicated with the air purifying chamber (62) through a hole formed in the pattern plate (67); the speed reducing air duct (68) is positioned at the bottom of the filtering chamber (63); the filtering chamber (63) is communicated with the first air pipe (71) through a speed reduction air duct (68), an air outlet (610) is arranged above the side wall of the air purifying chamber (62), and a blowing device (612) is arranged above the air purifying chamber (62); an air outlet butterfly valve (611) is arranged on the air outlet (610); the blowing device (612) is connected with the air purifying chamber (62) through a blowing pipe (613); the bottom of the filter cartridge deduster (6) is provided with a dust collecting chamber (64); the bottom of the dust collecting chamber (64) is provided with an ash outlet (65);
the PLC control system (10) is in control connection with the cold air valve (51), the draught fan (8), the air outlet butterfly valve (611), the ventilation butterfly valve (11), the blowing device (612) and the ash discharge valve (47).
2. The brown fused alumina pyrometallurgical furnace high-temperature dust removal system according to claim 1, wherein the stainless steel pipe (41) is externally provided with a high-pressure axial flow fan (45).
3. The brown fused alumina pyrometallurgical furnace high-temperature dust removal system according to claim 1, wherein the first air duct (71) is provided with a cold air duct (5), and the cold air duct (5) is provided with a cold air valve (51).
4. The brown fused alumina pyrometallurgical furnace high-temperature dust removal system of claim 1, wherein, the draught fans (8) set up two sets, open a set of draught fan (8) when the smelting furnace is working, open two sets of draught fan (8) when the smelting is finished and is rewound.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388097.9U CN211601596U (en) | 2019-12-26 | 2019-12-26 | High-temperature dust removal system of brown corundum high-temperature smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922388097.9U CN211601596U (en) | 2019-12-26 | 2019-12-26 | High-temperature dust removal system of brown corundum high-temperature smelting furnace |
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| CN211601596U true CN211601596U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308974A (en) * | 2022-01-04 | 2022-04-12 | 上海震泓环保科技有限公司 | Flue gas purification system of casting blank arc angle forming device |
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2019
- 2019-12-26 CN CN201922388097.9U patent/CN211601596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308974A (en) * | 2022-01-04 | 2022-04-12 | 上海震泓环保科技有限公司 | Flue gas purification system of casting blank arc angle forming device |
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