CN112857071A - Flue gas treatment device for metal smelting and flue gas treatment method thereof - Google Patents
Flue gas treatment device for metal smelting and flue gas treatment method thereof Download PDFInfo
- Publication number
- CN112857071A CN112857071A CN202110198465.2A CN202110198465A CN112857071A CN 112857071 A CN112857071 A CN 112857071A CN 202110198465 A CN202110198465 A CN 202110198465A CN 112857071 A CN112857071 A CN 112857071A
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- China
- Prior art keywords
- gas treatment
- exhaust
- air
- heat exchange
- flue gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
Abstract
The invention discloses a smoke treatment device for metal smelting and a smoke treatment method thereof, which relate to the field of smelting equipment and comprise a smelting furnace and a waste gas treatment box, wherein an exhaust joint on one side of a sealing cover of an upper port of the smelting furnace is connected with the waste gas treatment box, and the interior of the waste gas treatment box is divided into a filtering chamber and a heat exchange chamber by a welding clapboard, so that the smoke treatment device has the advantages that: when air passes through the heat exchange tubes in the heat exchange assembly, the air exchanges heat with waste gas passing through the heat exchange chamber to exchange heat and heat the entering fresh air, the heated fresh air enters the sealing cover, the heat loss of the waste gas is reduced, the entering fresh air has certain temperature, and the condition that the smelting quality is influenced due to the large temperature difference between the entering air and the interior of the smelting furnace is prevented; the discharging motor is controlled to drive the discharging rotating shaft, so that the material guiding blades arranged on the outer wall of the discharging rotating shaft discharge and clean the deposited smoke dust in the discharging cylinder, and the discharging is convenient.
Description
Technical Field
The invention relates to the field of smelting equipment, in particular to a smoke treatment device for metal smelting and a smoke treatment method thereof.
Background
In the precious metal smelting process, a large amount of waste gas is generated and mixed with a large amount of harmful substances such as sulfur dioxide, carbon monoxide and the like, the waste gas needs to be treated in the traditional technology, so that the harm to the environment is reduced, in addition, the waste contains a large amount of flue gas, and the smoke and dust needs to be filtered and separated through preselection, so that the treatment efficiency of the sulfur dioxide and the carbon monoxide is improved, and meanwhile, the influence of the smoke and dust on purification equipment is reduced; after the smoke dust in the smoke is filtered, the discharge treatment of the deposited smoke dust is inconvenient; in the treatment process of smelting waste gas, because the flue gas contains a large amount of heat, the flue gas is directly discharged into the atmosphere, so that not only is the thermal pollution caused, but also the heat is lost and wasted, and therefore, a flue gas treatment device capable of recycling the heat energy of the waste gas is needed.
Disclosure of Invention
The invention aims to provide a flue gas treatment device for metal smelting and a flue gas treatment method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a smoke treatment device for metal smelting comprises a smelting furnace and a waste gas treatment box, wherein a sealing cover is arranged at an upper port of the smelting furnace, an exhaust joint is arranged on one side of the sealing cover, the exhaust joint is connected with the waste gas treatment box, the interior of the waste gas treatment box is divided into a filtering chamber and a heat exchange chamber which are arranged up and down through a welding partition plate, an air inlet port communicated with each other is arranged on one side of the filtering chamber and connected with the exhaust joint, 2-3 filtering cloth bags penetrate through the welding partition plate in the waste gas treatment box, the upper ends of the filtering cloth bags are fixed on the partition plate, the bottoms of the filtering cloth bags are arranged in the filtering chamber in an extending mode, the filtering cloth bags are fixed through a steel wire woven support, an exhaust port is arranged at the upper end of the heat exchange chamber, an exhaust pump is connected with the upper port of the exhaust port, an, the blast pipe is linked together through the air inlet connector that air duct and closing cap upper end were equipped with, exhaust-gas treatment bottom of the case portion integrated into one piece has the row of material section of thick bamboo that is horizontal, the upper end of closing cap is fixed with the dust concentration monitor, and the detection end of dust concentration monitor runs through to insert and establishes to the closing cap inside.
Preferably, the heat exchange assembly comprises two tube plates and a plurality of heat exchange tubes connected between the two tube plates, and the plurality of heat exchange tubes are spirally wound.
Preferably, the outside parcel of air duct is provided with cold-proof cotton layer, and the outer wall bonding of exhaust-gas treatment case is fixed with the heat insulating board.
Preferably, a baffle is welded at one side, close to the air inlet port, inside the filtering chamber, and the baffle vertically extends downwards to the bottom of the filtering cloth bag.
Preferably, the outer port of the air inlet pipe is connected with an air inlet cover, and the middle part of the air inlet cover is formed by clamping a filtering cotton layer by a double-layer fine weaving screen plate.
Preferably, an air inlet is formed in one side wall of the waste gas treatment box, and a cleaning fan is fixed at the outer port of the air inlet through a bolt.
Preferably, the opening of the air inlet is provided with a filter screen plate, and the filter screen plate is formed by clamping a filter cotton layer by a double-layer fine woven screen plate.
Preferably, one end of the discharge cylinder is provided with a discharge interface, and the outer port of the discharge interface is connected with an electric discharge valve through a flange.
Preferably, the inside of arranging the material section of thick bamboo is equipped with the row material pivot of axiality, and the outer wall of arranging the material pivot is equipped with the guide blade that is the spiral winding form, arranges the one end of material pivot and is connected with the output shaft of arranging the material motor, and arranges the material motor and pass through the bolt fastening on the outer wall of exhaust-gas treatment case.
The flue gas treatment method of the flue gas treatment device for metal smelting comprises the following steps:
the method comprises the following steps: and (3) exhaust gas discharge: the exhaust pump is controlled to perform air extraction, so that the smoke in the sealing cover enters the filtering chamber along the exhaust joint and the air inlet interface, the smoke in the smoke is blocked in the filtering chamber under the filtration of the filtering cloth bag arranged in the filtering chamber, and the waste gas after the smoke is filtered is discharged by the exhaust pump for further treatment;
step two: and (3) heat exchange work: because the gas in the sealing cover is discharged, external air enters the sealing cover along the gas inlet pipe, the heat exchange assembly, the exhaust pipe, the gas guide pipe and the gas inlet joint, when the air passes through the heat exchange pipe in the heat exchange assembly, the air exchanges heat with waste gas passing through the heat exchange chamber to exchange heat and heat the entering fresh air, and the heated fresh air enters the sealing cover;
step three: discharging smoke dust: under the filtration of the filter cloth bag, smoke dust falls and is accumulated in the discharge cylinder, at the moment, an electric discharge valve connected with the outer port of the discharge interface is controlled to be opened, and meanwhile, a discharge motor is controlled to drive the discharge rotating shaft, so that the guide blades arranged on the outer wall of the discharge rotating shaft discharge and clean the smoke dust deposited in the discharge cylinder;
step four: self-cleaning of the filter cloth bag: the cleaning fan is controlled to blow air, and the entering air sweeps the filter cloth bag, so that the smoke dust adhered to the outer wall of the filter cloth bag is blown off.
The invention has the technical effects and advantages that:
1. when air passes through the heat exchange tubes in the heat exchange assembly, the air exchanges heat with waste gas passing through the heat exchange chamber to exchange heat and heat the entering fresh air, the heated fresh air enters the sealing cover, the heat loss of the waste gas is reduced, the entering fresh air has certain temperature, and the condition that the smelting quality is influenced due to the large temperature difference between the entering air and the interior of the smelting furnace is prevented;
2. according to the invention, under the filtration of the filter cloth bag, smoke dust falls and accumulates in the discharge cylinder, at the moment, the electric discharge valve connected with the outer port of the discharge interface is controlled to be opened, and meanwhile, the discharge motor is controlled to drive the discharge rotating shaft, so that the guide blades arranged on the outer wall of the discharge rotating shaft discharge and clean the smoke dust deposited in the discharge cylinder, and the discharge is convenient;
3. according to the invention, the cleaning fan is controlled to blow air, and the entering air sweeps the filter cloth bag, so that smoke dust adhered to the outer wall of the filter cloth bag is blown off, and the filtering efficiency of the filter cloth bag is ensured.
Drawings
Fig. 1 is a schematic perspective view 1 of the present invention.
Fig. 2 is a partial cross-sectional view of a three-dimensional structure of the present invention.
Fig. 3 is a front cross-sectional view of the structure of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Fig. 5 is a schematic perspective view of the present invention 2.
In the figure: 1. a smelting furnace; 101. sealing the cover; 1011. an exhaust joint; 1012. an air inlet joint; 2. a waste gas treatment tank; 201. a filtering chamber; 2011. an air inlet interface; 202. a heat exchange chamber; 2021. an exhaust interface; 2022. an air inlet pipe; 2023. an exhaust pipe; 3. a discharge cylinder; 301. a discharge interface; 4. a filter cloth bag; 5. an exhaust pump; 6. a heat exchange assembly; 7. an air duct; 8. a dust concentration monitor; 9. an air intake hood; 10. a discharge rotating shaft; 11. a discharge motor; 12. a baffle plate; 13. an air inlet; 14. and cleaning the fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a flue gas treatment device for metal smelting as shown in figures 1-5, which comprises a smelting furnace 1 and a waste gas treatment box 2, wherein a sealing cover 101 is arranged at the upper port of the smelting furnace 1, an exhaust joint 1011 is arranged at one side of the sealing cover 101, the exhaust joint 1011 is connected with the waste gas treatment box 2, the interior of the waste gas treatment box 2 is divided into a filtering chamber 201 and a heat exchange chamber 202 which are arranged up and down by a welding clapboard, an air inlet port 2011 communicated with one side of the filtering chamber 201 is connected with the exhaust joint 1011, 2-3 filtering cloth bags 4 penetrate through the clapboard welded in the waste gas treatment box 2, the upper ends of the filtering cloth bags 4 are fixed on the clapboard, the bottoms of the filtering cloth bags 4 are arranged in the filtering chamber 201 in an extending way, the filtering cloth bags 4 are fixed by a steel wire woven bracket, an exhaust port 2021 is arranged at the upper end of the heat exchange chamber, the both sides of heat exchange chamber 202 are equipped with intake pipe 2022 and blast pipe 2023 respectively, and be connected with heat exchange assembly 6 between intake pipe 2022 and the blast pipe 2023, the intake joint 1012 that blast pipe 2023 was equipped with through air duct 7 and closing cap 101 upper end is linked together, 2 bottom integrated into one piece of exhaust-gas treatment case have the horizontal row of material section of thick bamboo 3 that is, the upper end of closing cap 101 is fixed with dust concentration monitor 8, and dust concentration monitor 8's detection end runs through to insert and establishes to inside the closing cap 101, dust concentration monitor 8 is arranged in the smoke and dust sealed content that contains in the inside flue gas of inspection smelting furnace 1, the convenience is carried out exhaust treatment to the flue gas in real.
Referring to fig. 2 and 3, the two tube plates of the heat exchange assembly 6 and the plurality of heat exchange tubes connected between the two tube plates are spirally wound, so that the stroke of the fresh control in the heat exchange chamber 202 is prolonged, and the heat exchange effect is ensured.
The outside parcel of air duct 7 is provided with cold-proof cotton layer, and the outer wall bonding of exhaust-gas treatment case 2 is fixed with the heat insulating board, avoids the heat to scatter and disappear.
As shown in fig. 3, a baffle 12 is welded at one side of the inside of the filtering chamber 201 close to the air inlet 2011, and the baffle 12 extends vertically downward to the bottom of the filtering cloth bag 4, so that the entering smoke dust is prevented from directly impacting one side of the filtering cloth bag 4.
The outer port of the air inlet pipe 2022 is connected with an air inlet cover 9, the middle part of the air inlet cover 9 is formed by a double-layer fine weaving screen plate which is clamped with a filtering cotton layer, the entering fresh air is filtered, and the cleanliness of the entering air is ensured.
Referring to fig. 1 and 4, an air inlet 13 is formed in one side wall of the exhaust gas treatment box 2, a cleaning fan 14 is fixed to an outer port of the air inlet 13 through a bolt, and when the filter cloth bag 4 is cleaned, the cleaning fan 14 is started.
As shown in fig. 4, a filter screen plate is arranged at the opening of the air inlet 13, and the filter screen plate is formed by a double-layer fine woven screen plate sandwiching a filter cotton layer, so as to prevent the smoke dust in the filter chamber 201 from overflowing.
The one end of arranging a material section of thick bamboo 3 is equipped with row material interface 301, arranges that material interface 301 outer port has electronic blow-off valve through flange joint, opens and close through controlling electronic blow-off valve, controls the row material of the inside deposit smoke and dust of a material section of thick bamboo 3.
The inside of arranging material section of thick bamboo 3 is equipped with the row material pivot 10 of axiality, and the outer wall of arranging material pivot 10 is equipped with the guide blade that is the spiral winding form, and the one end of arranging material pivot 10 is connected with the output shaft of arranging material motor 11, and arranges material motor 11 and pass through the bolt fastening on the outer wall of exhaust-gas treatment case 2.
A flue gas treatment method of a flue gas treatment device for metal smelting comprises the following steps:
the method comprises the following steps: and (3) exhaust gas discharge: by controlling the exhaust pump 5 to perform air extraction, the flue gas in the sealing cover 101 enters the filtering chamber 201 along the exhaust joint 1011 and the air inlet interface 2011, and is filtered by the filtering cloth bag 4 arranged in the filtering chamber 201, so that the smoke dust in the flue gas is blocked in the filtering chamber 201, and the waste gas after being filtered is discharged by the exhaust pump 5 for further processing;
step two: and (3) heat exchange work: because the gas in the sealing cover 101 is discharged, the external air enters the sealing cover 101 along the air inlet pipe 2022, the heat exchange assembly 6, the exhaust pipe 2023, the air guide pipe 7 and the air inlet connector 1012, when the air passes through the heat exchange pipe in the heat exchange assembly 6, the air exchanges heat with the waste gas passing through the heat exchange chamber 202 to heat the entering fresh air, the heated fresh air enters the sealing cover 101, the heat loss of the waste gas is reduced, the entering fresh air has a certain temperature, and the condition that the smelting quality is influenced due to the large temperature difference between the entering air and the interior of the smelting furnace 1 is prevented;
step three: discharging smoke dust: under the filtration of the filter cloth bag 4, smoke dust falls and is accumulated in the discharge cylinder 3, at the moment, an electric discharge valve connected with an outer port of the discharge interface 301 is controlled to be opened, and meanwhile, a discharge motor 11 is controlled to drive the discharge rotating shaft 10, so that the guide blades arranged on the outer wall of the discharge rotating shaft 10 discharge and clean the smoke dust deposited in the discharge cylinder 3, and the discharge is convenient;
step four: self-cleaning of the filter cloth bag: the cleaning fan 14 is controlled to blow air, and the entering air sweeps the filter cloth bag 4, so that the smoke dust adhered to the outer wall of the filter cloth bag 4 is blown off, and the filtering efficiency of the filter cloth bag 4 is ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a smoke treatment device for metal smelting, includes smelting furnace (1) and exhaust-gas treatment case (2), its characterized in that: the smelting furnace (1) upper port is equipped with closing cap (101), and closing cap (101) one side is equipped with exhaust joint (1011), and exhaust joint (1011) are connected with exhaust-gas treatment case (2), filter chamber (201) and heat transfer room (202) that set up about the exhaust-gas treatment case (2) inside is separated through the welding baffle, and filter chamber (201) one side is equipped with air inlet interface (2011) that is linked together and is connected with exhaust joint (1011), the baffle that exhaust-gas treatment case (2) internal weld has run through has 2-3 to filter sack (4), and the upper end of filtering sack (4) is fixed in the baffle, and filter sack (4) bottom extends and sets up in filter chamber (201), and filters sack (4) and weave the support by the steel wire and fix, heat transfer room (202) upper end is equipped with exhaust interface (2021), and the upper port of exhaust interface (2021) is connected with exhaust pump machine (5), the both sides of heat transfer room (202) are equipped with intake pipe (2022) and blast pipe (2023) respectively, and are connected with heat transfer subassembly (6) between intake pipe (2022) and blast pipe (2023), and blast pipe (2023) are linked together through air guide (7) air inlet connector (1012) that are equipped with on with closing cap (101), exhaust-gas treatment case (2) bottom integrated into one piece has row material section of thick bamboo (3) that are horizontal, the upper end of closing cap (101) is fixed with dust concentration monitor (8), and the detection end of dust concentration monitor (8) runs through to insert and establish to inside closing cap (101).
2. The flue gas treatment device for metal smelting according to claim 1, characterized in that: two tube sheets of the heat exchange assembly (6) and a plurality of heat exchange tubes connected between the two tube sheets are formed, and the plurality of heat exchange tubes are spirally wound.
3. The flue gas treatment device for metal smelting according to claim 1, characterized in that: the outside of air duct (7) wraps up and is provided with cold-proof cotton layer, and the outer wall bonding of exhaust-gas treatment case (2) is fixed with the heat insulating board.
4. The flue gas treatment device for metal smelting according to claim 1, characterized in that: a baffle (12) is welded on one side, close to the air inlet interface (2011), of the interior of the filtering chamber (201), and the baffle (12) vertically extends downwards to the bottom of the filtering cloth bag (4).
5. The flue gas treatment device for metal smelting according to claim 1, characterized in that: the outer port of the air inlet pipe (2022) is connected with an air inlet cover (9), and the middle part of the air inlet cover (9) is formed by clamping a filtering cotton layer by a double-layer fine weaving screen plate.
6. The flue gas treatment device for metal smelting according to claim 1, characterized in that: an air inlet (13) is formed in one side wall of the waste gas treatment box (2), and a cleaning fan (14) is fixed to the outer port of the air inlet (13) through a bolt.
7. The flue gas treatment device for metal smelting according to claim 6, characterized in that: and a filter screen plate is arranged at the opening of the air inlet (13), and the filter screen plate is formed by clamping a filter cotton layer by a double-layer fine woven screen plate.
8. The flue gas treatment device for metal smelting according to claim 1, characterized in that: one end of the discharge cylinder (3) is provided with a discharge interface (301), and the outer port of the discharge interface (301) is connected with an electric discharge valve through a flange.
9. The flue gas treatment device for metal smelting according to claim 1, characterized in that: the inside of arranging material section of thick bamboo (3) is equipped with row material pivot (10) of axiality, and the outer wall of arranging material pivot (10) is equipped with the guide blade that is the spiral winding form, and the one end of arranging material pivot (10) is connected with the output shaft of arranging material motor (11), and arranges material motor (11) and pass through the bolt fastening on the outer wall of exhaust-gas treatment case (2).
10. A flue gas treatment method of the flue gas treatment apparatus for metal smelting according to any one of claims 1 to 9, comprising the steps of:
the method comprises the following steps: and (3) exhaust gas discharge: the exhaust pump machine (5) is controlled to perform air extraction work, so that smoke in the sealing cover (101) enters the filtering chamber (201) along the exhaust joint (1011) and the air inlet interface (2011), the smoke in the smoke is blocked in the filtering chamber (201) under the filtering of the filtering cloth bag (4) arranged in the filtering chamber (201), and the waste gas after the smoke is filtered is discharged by the exhaust pump machine (5) for further treatment;
step two: and (3) heat exchange work: the air in the sealing cover (101) is exhausted, so that the external air enters the sealing cover (101) along the air inlet pipe (2022), the heat exchange assembly (6), the exhaust pipe (2023), the air guide pipe (7) and the air inlet connector (1012), when the air passes through the heat exchange pipe in the heat exchange assembly (6), the air exchanges heat with the waste gas passing through the heat exchange chamber (202), the entering fresh air is subjected to heat exchange and warming, and the heated fresh air enters the sealing cover (101);
step three: discharging smoke dust: under the filtration of the filter cloth bag (4), smoke dust falls and is accumulated in the discharge cylinder (3), at the moment, an electric discharge valve connected with the outer port of the discharge interface (301) is controlled to be opened, and meanwhile, a discharge motor (11) is controlled to drive the discharge rotating shaft (10), so that guide blades arranged on the outer wall of the discharge rotating shaft (10) discharge and clean the smoke dust deposited in the discharge cylinder (3);
step four: self-cleaning of the filter cloth bag: the cleaning fan (14) is controlled to blow air, and the entering air sweeps the filter cloth bag (4), so that the smoke dust adhered to the outer wall of the filter cloth bag (4) is blown off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198465.2A CN112857071A (en) | 2021-02-23 | 2021-02-23 | Flue gas treatment device for metal smelting and flue gas treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198465.2A CN112857071A (en) | 2021-02-23 | 2021-02-23 | Flue gas treatment device for metal smelting and flue gas treatment method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112857071A true CN112857071A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110198465.2A Pending CN112857071A (en) | 2021-02-23 | 2021-02-23 | Flue gas treatment device for metal smelting and flue gas treatment method thereof |
Country Status (1)
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| CN (1) | CN112857071A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424663A (en) * | 1932-10-06 | 1935-02-26 | Sachtleben Ag | Process of and apparatus for the production of molten iron or steel by the direct method |
| JPH07251021A (en) * | 1994-03-14 | 1995-10-03 | Plantec:Kk | Exhaust gas treating apparatus with bag filter |
| KR20140106261A (en) * | 2013-02-26 | 2014-09-03 | 주식회사 경동나비엔 | Combustion apparatus having air supply and exhaust gas heat exchanger |
| CN206094150U (en) * | 2016-08-31 | 2017-04-12 | 广西志远节能环保设备有限公司 | Smelting furnace air heater |
| CN206330141U (en) * | 2016-12-31 | 2017-07-14 | 新疆拓荒者信息科技有限公司 | A kind of Industrial Boiler residual neat recovering system |
| CN206593488U (en) * | 2017-02-10 | 2017-10-27 | 河北午阳环保设备有限公司 | One kind energy-conservation smelting iron and steel waste gas dedusting case |
| CN107543198A (en) * | 2016-06-28 | 2018-01-05 | 哈尔滨市金京锅炉有限公司 | A kind of air preheater to be exchanged heat using boiler smoke |
| CN212166800U (en) * | 2020-03-18 | 2020-12-18 | 天津市虹茂暖通机械设备有限公司 | Rotary blowing bag type dust collector with waste heat recovery function |
-
2021
- 2021-02-23 CN CN202110198465.2A patent/CN112857071A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424663A (en) * | 1932-10-06 | 1935-02-26 | Sachtleben Ag | Process of and apparatus for the production of molten iron or steel by the direct method |
| JPH07251021A (en) * | 1994-03-14 | 1995-10-03 | Plantec:Kk | Exhaust gas treating apparatus with bag filter |
| KR20140106261A (en) * | 2013-02-26 | 2014-09-03 | 주식회사 경동나비엔 | Combustion apparatus having air supply and exhaust gas heat exchanger |
| CN107543198A (en) * | 2016-06-28 | 2018-01-05 | 哈尔滨市金京锅炉有限公司 | A kind of air preheater to be exchanged heat using boiler smoke |
| CN206094150U (en) * | 2016-08-31 | 2017-04-12 | 广西志远节能环保设备有限公司 | Smelting furnace air heater |
| CN206330141U (en) * | 2016-12-31 | 2017-07-14 | 新疆拓荒者信息科技有限公司 | A kind of Industrial Boiler residual neat recovering system |
| CN206593488U (en) * | 2017-02-10 | 2017-10-27 | 河北午阳环保设备有限公司 | One kind energy-conservation smelting iron and steel waste gas dedusting case |
| CN212166800U (en) * | 2020-03-18 | 2020-12-18 | 天津市虹茂暖通机械设备有限公司 | Rotary blowing bag type dust collector with waste heat recovery function |
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