CN211913330U - Resistance furnace flue gas processing apparatus - Google Patents
Resistance furnace flue gas processing apparatus Download PDFInfo
- Publication number
- CN211913330U CN211913330U CN202020538302.5U CN202020538302U CN211913330U CN 211913330 U CN211913330 U CN 211913330U CN 202020538302 U CN202020538302 U CN 202020538302U CN 211913330 U CN211913330 U CN 211913330U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- gas
- shell
- partition plate
- resistance furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 33
- 239000002912 waste gas Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002923 metal particle Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Chimneys And Flues (AREA)
Abstract
The utility model discloses a resistance furnace flue gas processing apparatus belongs to flue gas processing apparatus technical field. The resistance furnace flue gas treatment device comprises a gas collecting hood arranged above the furnace door, and the gas collecting hood is communicated with the dust removal device through a connecting pipe. The top of the furnace body is provided with an air outlet pipe communicated with the furnace body, and the air outlet pipe is communicated with the connecting pipe. The dust removal device, the combustor, the heat exchanger, the spraying device and the fan are connected in sequence through connecting pipes. The dust removal device comprises a shell, wherein the upper part of the shell is provided with an air inlet which is positioned in the tangential direction of the shell; the top of the shell is provided with an air outlet, and the inner surface of the shell is uniformly provided with a plurality of inclined baffles; the bottom of casing is provided with the discharge opening, is provided with the stripper on the discharge opening, and the stripper rotates with the discharge opening is sealed to be connected. The utility model adopts the above structure resistance furnace flue gas processing apparatus can solve current resistance furnace flue gas and can not obtain effectual processing, have the extravagant problem of energy.
Description
Technical Field
The utility model belongs to the technical field of the flue gas processing apparatus technique and specifically relates to a resistance furnace flue gas processing apparatus is related to.
Background
The resistance furnace is an industrial furnace which heats a workpiece or a material by heating an electric heating element or a heating medium in the furnace by using current. It is a heating furnace that generates heat energy by passing current through resistive materials. When a resistance furnace is adopted for smelting or melting metal materials, because more impurities are attached to the surface of the materials, the flue gas in the furnace contains more dust and metal particles with high melting point besides harmful substances such as carbon monoxide, carbon dioxide, sulfide, nitride and the like. The flue gas in the resistance furnace is directly discharged into the atmosphere, so that the atmosphere is polluted, the heat of the flue gas discharged from the resistance furnace is high, the flue gas cannot be effectively utilized, and the energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a resistance furnace flue gas processing apparatus solves current resistance furnace flue gas and can not obtain effectual processing, have the extravagant problem of energy.
In order to achieve the purpose, the utility model provides a flue gas treatment device of a resistance furnace, which comprises a gas collecting hood arranged above a furnace door, wherein the gas collecting hood is communicated with a dust removal device through a connecting pipe;
the dust removal device comprises a shell, wherein an air inlet is formed in the upper part of the shell and is positioned in the tangential direction of the shell; the top of the shell is provided with an air outlet, and the inner surface of the shell is uniformly provided with a plurality of inclined baffles; the bottom of casing is provided with the discharge opening, is provided with the stripper on the discharge opening, and the stripper rotates with the discharge opening is sealed to be connected.
Preferably, the connecting pipe and the air outlet pipe above the gas-collecting hood are both provided with valves.
Preferably, the height of the exhaust port at the top end of the exhaust pipe from the ground is not less than 15 m.
Preferably, the housing of the dust removing device comprises an upper cylindrical part and a lower circular table part, the cylindrical part is in smooth transition connection with the circular table part, the baffle is arranged on the inner surface of the cylindrical part, and an acute included angle between the baffle and the horizontal plane is 40-60 degrees.
Preferably, a burner for igniting the waste gas is arranged in the burner, a first bent partition plate and a second bent partition plate are arranged in the burner, one end of the first partition plate is fixed on the inner wall of the burner and is completely contacted with the inner wall of the burner, a waste gas inlet channel is formed between the inner wall of the burner and the first partition plate, a waste gas combustion cavity is formed at the other end of the first partition plate, two ends of the second partition plate are located in the bent part formed by the first partition plate and are provided with a gap for allowing the gas to pass through, and a gas outlet channel is formed between the second partition plate and the first partition plate as well as the inner wall of the burner.
Preferably, the heat exchanger is internally provided with a snakelike bent water pipe, and flue gas entering the heat exchanger and water in the water pipe exchange heat in the heat exchanger.
A resistance furnace flue gas processing apparatus, furnace gate department at the furnace body is provided with the gas collecting channel for collect the waste gas that runs out from the furnace gate department. The waste gas in the furnace body is firstly captured by dust and high-temperature metal particles through a dust removal device, and solid particles contained in the waste gas are removed. Then the waste gas is sent into a burner for combustion, and combustible harmful gas is oxidized and combusted. The high-temperature gas after combustion enters a heat exchanger for heat exchange, so that the energy in the gas is fully utilized; then the gas enters a spraying device for spraying, and the alkaline liquid neutralizes the acid gas in the gas; and finally, high-altitude discharge is carried out. A resistance furnace flue gas processing apparatus, to the exhaust-gas treatment's that the resistance furnace produced more thoroughly to energy in the abundant utilization waste gas.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a flue gas treatment device of a resistance furnace according to the present invention;
fig. 2 is a schematic structural view of a dust removing device of an embodiment of the flue gas treatment device of the resistance furnace of the present invention.
Reference numerals
1. A furnace body; 2. a furnace door; 3. a gas-collecting hood; 4. an air outlet pipe; 5. a connecting pipe; 6. a valve; 7. a dust removal device; 8. a burner; 9. burning a nozzle; 10. a first clapboard; 11. a second clapboard; 12. a heat exchanger; 13. a water pipe; 14. a spraying device; 15. a fan; 16. an exhaust pipe; 17. an air inlet; 18. an air outlet; 19. a baffle plate; 20. and (4) a stripper plate.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of the flue gas treatment device of the resistance furnace of the present invention. As shown in the figure, the resistance furnace flue gas treatment device comprises a gas collecting hood 3 arranged above a furnace door 2, one end of the gas collecting hood 3 is fixed on the side wall and the top of a furnace body 1, and the gas collecting hood 3 is of an inverted funnel-shaped structure and is used for collecting flue gas which runs out of the furnace door 2 when the furnace door 2 is opened. The gas-collecting channel 3 is communicated with a dust-removing device 7 through a connecting pipe 5, one end of the connecting pipe 5 close to the gas-collecting channel 3 is provided with a valve 6, and the valve 6 can be an existing manual valve 6 or an existing electromagnetic valve 6. The top of the furnace body 1 is provided with an air outlet pipe 4 communicated with the furnace body 1, and the air outlet pipe 4 is communicated with a connecting pipe 5. The outlet pipe 4 is also provided with a valve 6, and the valve 6 is the existing manual valve 6 or electromagnetic valve 6. The exhaust gas in the furnace body 1 is discharged into the connecting pipe 5 through the exhaust pipe 4 by the exhaust pipe 4, and is mixed with the flue gas collected by the gas collecting hood 3 in the connecting pipe 5 for subsequent treatment. The dust removal device 7, the combustor 8, the heat exchanger 12, the spray device 14 and the fan 15 are sequentially connected through the connecting pipe 5, and the air outlet end of the fan 15 is communicated with the outside atmosphere through the exhaust pipe 16. The collected waste gas is firstly subjected to dust removal treatment by the dust removal device 7 and then is discharged after being combusted by the combustor 8, heat exchanged by the heat exchanger 12 and sprayed by the spraying device 14. The fan 15 provides power for the absorption of the flue gas. The height of the exhaust port at the top end of the exhaust pipe 16 from the ground is not less than 15m, and the treated waste gas is discharged at high altitude.
Fig. 2 is a schematic structural view of a dust removing device of an embodiment of the flue gas treatment device of the resistance furnace of the present invention. As shown in the figure, the dust removing device 7 comprises a housing, the housing comprises an upper cylindrical part and a lower circular table part, and the cylindrical part and the circular table part are connected through welding and smooth transition. The upper part of the housing is provided with an air inlet 17, the air inlet 17 being located in the tangential direction of the housing. The top of the shell is provided with an air outlet 18, and the air outlet 18 is connected with the combustor 8 through a connecting pipe 5. The air inlet 17 is communicated with the gas-collecting hood 3 and the air outlet pipe 4 through a connecting pipe 5. A plurality of inclined baffles 19 are uniformly arranged on the inner surface of the shell, the baffles 19 are arranged on the inner surface of the cylindrical part, and the acute included angle between the baffles 19 and the horizontal plane is 40-60 degrees. The height of the baffle 19 is 2-6 cm. The bottom of casing is provided with the discharge opening, is provided with stripper 20 on the discharge opening, and stripper 20 passes through the hinge rotation with the discharge opening and is connected. The stripper plate 20 is locked with the discharge opening by a lock catch, which is of an existing structure. The seal ring is adhered on the discharging plate 20, and when the discharging plate 20 is closed, the seal ring seals between the discharging plate 20 and the discharging opening. The sealing ring is made of high-density rubber material. Flue gas in the connecting pipe 5 enters the shell from the tangential direction of the cylindrical part through the air inlet 17, vortex-shaped air flow is formed in the shell, the vortex-shaped air flow touches the baffle 19 in the flowing process, the air flow is blocked by the baffle 19, high-temperature metal particles or smoke dust in the air flow settle at the bottom of the shell along the baffle 19, and the treated flue gas enters the combustor 8 from the air outlet 18 through the connecting pipe 5 for combustion treatment. And opening the lock catch, and discharging the settled smoke dust in the shell through the discharge opening.
A burner 9 for igniting the waste gas is arranged in the combustor 8, and the burner 9 is communicated with an external gas tank through a gas pipe. A first bent partition plate 10 and a second bent partition plate 11 are arranged inside the combustor 8, and the first bent partition plate 10 and the second bent partition plate 11 are both cylindrical structures. One end of the first partition plate 10 is fixed to the inner wall of the burner 8 and is connected to the inner wall of the burner 8 by welding in full contact, so that an exhaust gas inlet passage is formed between the inner wall of the burner 8 and the first partition plate 10. The other end of the first partition plate 10 forms a combustion chamber for exhaust gas. The second partition plate 11 is fixed on the inner wall of the combustor 8 through a bracket. Two ends of the second partition plate 11 are positioned in the bent part formed by the first partition plate 10, and a gap for allowing gas to pass is arranged between the two ends of the first partition plate 10. A gas discharge channel is formed between the second partition plate 11, the first partition plate 10 and the inner wall of the burner 8. The first partition plate 10 and the second partition plate 11 are made of metal materials. The burner 8 oxidizes the exhaust gas after the dust removal treatment, and sufficiently oxidizes the exhaust gas. The gas temperature after burning is higher, and the gas preheats the waste gas that gets into combustor 8 through baffle 10 when flowing in the discharge passage, improves the treatment effect of waste gas and the utilization ratio of the energy. The side wall of the burner 8 can also be provided with an air inlet to provide more oxygen for the combustion of the gas in the combustion chamber, so that the gas can be more fully oxidized and combusted.
The inside of heat exchanger 12 is provided with snakelike bent water pipe 13, and the high temperature waste gas after 8 burns enters into heat exchanger 12 through connecting pipe 5 and carries out the heat transfer with the water in water pipe 13 in heat exchanger 12, and the waste gas of high temperature heats the water in water pipe 13, the abundant energy that utilizes in the waste gas.
The flue gas after entering the heat exchanger 12 for heat exchange enters a spraying device 14 through a connecting pipe 5, and the spraying device 14 adopts the existing structure, namely a proportional spray tower. A spray pipe is arranged inside the spray device 14 to spray the entering waste gas, and the water in the spray pipe can be alkaline solution, such as sodium carbonate or sodium bicarbonate solution, and is used for neutralizing the acid gas generated after combustion. The gas after the spraying treatment is discharged into the atmosphere through an outlet provided on the side wall of the spraying device 14 via a fan 15 and an exhaust pipe 16.
Therefore, the utility model adopts the above structure resistance furnace flue gas processing apparatus can solve current resistance furnace flue gas and can not obtain effectual processing, have the extravagant problem of energy.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a resistance furnace flue gas processing apparatus which characterized in that: the furnace comprises a gas collecting hood arranged above a furnace door, wherein the gas collecting hood is communicated with a dust removal device through a connecting pipe, the top of a furnace body is provided with a gas outlet pipe communicated with the furnace body, the gas outlet pipe is communicated with the connecting pipe, the dust removal device, a burner, a heat exchanger, a spray device and a fan are sequentially connected through the connecting pipe, and the air outlet end of the fan is communicated with the outside atmosphere through the gas outlet pipe;
the dust removal device comprises a shell, wherein an air inlet is formed in the upper part of the shell and is positioned in the tangential direction of the shell; the top of the shell is provided with an air outlet, and the inner surface of the shell is uniformly provided with a plurality of inclined baffles; the bottom of casing is provided with the discharge opening, is provided with the stripper on the discharge opening, and the stripper rotates with the discharge opening is sealed to be connected.
2. The flue gas treatment device of the electric resistance furnace according to claim 1, wherein: and valves are arranged on the connecting pipe and the air outlet pipe above the gas-collecting hood.
3. The flue gas treatment device of the electric resistance furnace according to claim 1, wherein: the height of the exhaust port at the top end of the exhaust pipe from the ground is not less than 15 m.
4. The flue gas treatment device of the electric resistance furnace according to claim 1, wherein: the shell of the dust removal device comprises an upper cylindrical part and a lower circular table part, the cylindrical part is in smooth transition connection with the circular table part, the baffle is arranged on the inner surface of the cylindrical part, and an acute angle included angle between the baffle and the horizontal plane is 40-60 degrees.
5. The flue gas treatment device of the electric resistance furnace according to claim 1, wherein: the burner is characterized in that a burner for igniting waste gas is arranged in the burner, a first bent partition plate and a second bent partition plate are arranged in the burner, one end of the first partition plate is fixed on the inner wall of the burner and is in complete contact with the inner wall of the burner, a waste gas inlet channel is formed between the inner wall of the burner and the first partition plate, the other end of the first partition plate forms a combustion cavity of the waste gas, two ends of the second partition plate are located in the bent part formed by the first partition plate and are provided with a gap for enabling gas to pass through, and a gas outlet channel is formed between the second partition plate, the first partition plate and the inner wall of.
6. The flue gas treatment device of the electric resistance furnace according to claim 1, wherein: the inside of heat exchanger is provided with snakelike bent water pipe, and the flue gas that gets into the inside of heat exchanger carries out the heat transfer with the water in the water pipe in the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538302.5U CN211913330U (en) | 2020-04-13 | 2020-04-13 | Resistance furnace flue gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538302.5U CN211913330U (en) | 2020-04-13 | 2020-04-13 | Resistance furnace flue gas processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211913330U true CN211913330U (en) | 2020-11-13 |
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ID=73375542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020538302.5U Expired - Fee Related CN211913330U (en) | 2020-04-13 | 2020-04-13 | Resistance furnace flue gas processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211913330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001548A (en) * | 2021-10-29 | 2022-02-01 | 中国铝业股份有限公司 | Anode casting roasting system and anode casting roasting method |
-
2020
- 2020-04-13 CN CN202020538302.5U patent/CN211913330U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001548A (en) * | 2021-10-29 | 2022-02-01 | 中国铝业股份有限公司 | Anode casting roasting system and anode casting roasting method |
| CN114001548B (en) * | 2021-10-29 | 2024-03-26 | 中国铝业股份有限公司 | Anode mold baking system and anode mold baking method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |