CN215725052U - Decompression furnace for coal tar treatment - Google Patents
Decompression furnace for coal tar treatment Download PDFInfo
- Publication number
- CN215725052U CN215725052U CN202120764681.4U CN202120764681U CN215725052U CN 215725052 U CN215725052 U CN 215725052U CN 202120764681 U CN202120764681 U CN 202120764681U CN 215725052 U CN215725052 U CN 215725052U
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- Prior art keywords
- furnace
- fixedly connected
- furnace lining
- convection
- lining
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- Expired - Fee Related
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- 239000011280 coal tar Substances 0.000 title claims abstract description 19
- 230000006837 decompression Effects 0.000 title claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000009970 fire resistant effect Effects 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011469 building brick Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 14
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000009991 scouring Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- -1 electronics Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a coal tar treatment vacuum furnace, which comprises a furnace lining, wherein the interior of the furnace lining is divided into a radiation chamber and a convection chamber, the inner wall of the furnace lining is fixedly connected with a support frame, the other end of the support frame is fixedly connected with an exhaust pipe, the exhaust pipe is distributed in an S shape in the furnace lining, one end of the exhaust pipe is downwards fixedly connected with a spout, the spout faces to the convection chamber, the other end of the exhaust pipe extends out of the furnace lining and is fixedly connected with a blower, and the blower is fixedly arranged on the outer wall of the furnace lining. According to the utility model, through the arranged blower and the exhaust pipe, heat in smoke generated by the work of the decompression furnace is subjected to heat exchange with air blown into the exhaust pipe by the blower, the heated air is uniformly sprayed on the pipe wall of the convection pipe through the nozzle, and materials in the convection pipe are secondarily heated, so that waste heat recovery is carried out, and energy is saved. Through the arranged multilayer furnace lining, when the pressure reducing furnace runs, the furnace lining can resist the scouring and erosion of smoke and has enough heat insulation and air tightness.
Description
Technical Field
The utility model relates to the technical field of pressure reducing furnaces, in particular to a pressure reducing furnace for coal tar treatment.
Background
A heating furnace is a device that heats a material or a workpiece. Fuel heating furnaces, resistance heating furnaces, induction heating furnaces, microwave heating furnaces, etc. are classified according to heat sources. The method is applied to various industrial fields such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like. In the metallurgical industry, furnaces are conventionally referred to as industrial furnaces that heat metal to a rolling forging temperature, including continuous furnaces and chamber furnaces. The heating furnace for heat treatment of metals is also called a heat treatment furnace. A furnace that heats or homogenizes the temperature inside a steel ingot before initial rolling is called a soaking furnace. In a broad sense, the heating furnace also includes a soaking furnace and a heat treatment furnace, and the common pressure reduction device is an atmospheric distillation device and a reduced pressure distillation device, so that a large amount of hot steam is generated in the heating process of the reduced pressure heating furnace.
However, in the prior art, hot steam or flue gas is directly discharged into the air, which causes energy waste, and because a large amount of harmful gases and harmful substances are wrapped in the hot steam, the environment is seriously polluted, and the health of the surrounding people is harmed. In order to solve the problems, the utility model provides a decompression furnace for treating coal tar.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a decompression furnace for treating coal tar.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a coal tar is handled and is used decompression stove, includes the furnace lining, and inside being divided into of furnace lining radiation room and convection chamber, furnace lining inner wall fixedly connected with support frame, support frame other end fixedly connected with blast pipe, the blast pipe is the S-shaped distribution inside the furnace lining, the downward fixedly connected with spout of blast pipe one end, the spout is towards convection chamber, and the blast pipe other end stretches out furnace lining fixedly connected with hair-dryer, hair-dryer fixed mounting is at the furnace lining outer wall.
Preferably, the convection chamber comprises convection furnace tubes which are distributed in the convection chamber in a spiral multilayer manner, the tail ends of the convection furnace tubes at the top of the convection chamber are fixedly connected with a material inlet, and the material inlet extends out of the furnace lining and is connected with a mechanism at the last link outside the pressure reducing furnace.
Preferably, the radiation chamber is positioned at the bottom of the convection chamber and comprises radiation furnace tubes, the radiation furnace tubes are distributed around the circumference of the inner wall of the furnace lining, the materials of the radiation furnace tubes have sufficient high-temperature strength and high-temperature chemical stability, the tail ends of the radiation furnace tubes at the bottom of the radiation chamber are fixedly connected with a material outlet, and the material outlet extends out of the furnace lining and is connected with a next link mechanism outside the pressure reducing furnace.
Preferably, a plurality of combustors of furnace liner bottom fixedly connected with, the combustor outer wall is provided with the mounting bracket, combustor bottom fixedly connected with air distributor, air distributor top fixedly connected with burning way, the inside fuel nozzle that is provided with of burning way, and wherein keep away from the furnace liner when the combustor sets up, realize the low oxygen combustion.
Preferably, the bottom of the furnace lining is fixedly connected with an underframe, the top of the furnace lining is fixedly connected with a chimney, a chimney baffle is arranged in the chimney, and the top of the chimney is fixedly connected with a rain cover.
Preferably, the furnace lining is respectively composed of a fire-resistant layer, an insulating layer and a protective layer from inside to outside, wherein the fire-resistant layer is formed by building, ramming or pouring fire-resistant materials, the insulating layer is formed by building, laying, filling or pasting porous insulating materials, and the protective layer is made of building bricks or steel plates.
Preferably, the outer wall of the furnace lining where the convection chamber is located is fixedly connected with a sound generator, one side of the sound generator is fixedly connected with a motor, one side of the sound generator close to the furnace lining is fixedly connected with a horn, and the horn extends into the furnace lining and aligns to the outer wall of the convection furnace tube.
The utility model has the beneficial effects that:
1. through the arranged blower and the exhaust pipe, heat in smoke generated by the work of the decompression furnace exchanges heat with air blown into the exhaust pipe by the blower, the heated air is uniformly sprayed on the wall of the convection pipe through the nozzle to secondarily heat materials in the convection pipe, waste heat recovery is performed, energy is saved, and the device is more green and environment-friendly;
2. through the arranged multilayer furnace lining, when the vacuum furnace runs, the furnace lining can resist the scouring and erosion of smoke and has enough heat insulation, heat preservation and air tightness, the heat preservation layer can reduce the heat dissipation loss of the furnace lining to the maximum extent, the field operation condition is improved, meanwhile, the air tightness of the furnace lining can be kept through the protective layer, and the heat preservation layer formed by the porous heat preservation material is protected from being damaged;
3. the sound wave soot blower prevents partial dust in the rising flue gas from depositing on the outer wall of the furnace tube to weaken the heat transfer of the heating surface of the boiler, increases the thermal efficiency of the boiler, reduces the production load, and simultaneously can avoid accidental shutdown caused by serious soot deposition and slag bonding on the heating surface, thereby avoiding causing great economic loss.
Drawings
FIG. 1 is a schematic cross-sectional view of a vacuum furnace for coal tar treatment according to example 1;
FIG. 2 is a schematic view of a partial structure of a vacuum furnace for coal tar treatment according to example 1;
FIG. 3 is a schematic perspective view of a burner of a vacuum furnace for coal tar treatment according to example 1;
FIG. 4 is a schematic view of a partial cross-sectional structure of a vacuum furnace for coal tar treatment according to example 2.
In the drawings: 1. a furnace lining; 2. a rain cover; 3. a chimney; 4. a chimney baffle; 5. an exhaust pipe; 6. a support frame; 7. a material inlet; 8. a convection furnace tube; 9. a radiation furnace tube; 10. a material outlet; 11. a chassis; 12. a burner; 13. a radiation chamber; 14. a convection chamber; 15. a spout; 16. a blower; 17. an air distributor; 18. a combustion channel; 19. a fuel nozzle; 20. a mounting frame; 21. a protective layer; 22. a heat-insulating layer; 23. a refractory layer; 24. a horn; 25. a motor; 26. an acoustic wave generator.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, a coal tar treatment vacuum furnace comprises a furnace lining 1, the interior of the furnace lining 1 is divided into a radiation chamber 13 and a convection chamber 14, the inner wall of the furnace lining 1 is fixedly connected with a support frame 6 through bolts, the other end of the support frame 6 is fixedly connected with an exhaust pipe 5 through bolts, the exhaust pipe 5 is distributed in an S shape in the interior of the furnace lining 1, one end of the exhaust pipe 5 is downwards fixedly connected with a nozzle 15 through a flange, the nozzle 15 faces the convection chamber 14, the other end of the exhaust pipe 5 extends out of the furnace lining 1 and is fixedly connected with a blower 16 through bolts, and the blower 16 is fixedly installed on the outer wall of the furnace lining 1 through bolts.
Meanwhile, the convection chamber 14 comprises convection furnace tubes 8, the convection furnace tubes 8 are distributed in the convection chamber 14 in a spiral multilayer manner, the tail ends of the convection furnace tubes 8 at the top of the convection chamber 14 are fixedly connected with a material inlet 7 through flanges, the material inlet 7 extends out of the furnace lining 1 to be connected with a previous link mechanism outside the pressure reducing furnace, the radiation chamber 13 is positioned at the bottom of the convection chamber 14, the radiation chamber 13 comprises radiation furnace tubes 9, the radiation furnace tubes 9 are distributed around the circumference of the inner wall of the furnace lining 1, the material of the radiation furnace tubes has sufficient high-temperature strength and high-temperature chemical stability, the tail ends of the radiation furnace tubes 9 at the bottom of the radiation chamber 13 are fixedly connected with a material outlet 10 through flanges, the material outlet 10 extends out of the furnace lining 1 to be connected with a next link mechanism outside the pressure reducing furnace, the bottom of the furnace lining 1 is fixedly connected with a plurality of burners 12 through bolts, the outer walls of the burners 12 are provided with mounting frames 20, and the bottoms of the air distributors 17 are fixedly connected through bolts, the top of the air distributor 17 is fixedly connected with a combustion channel 18 through bolts, a fuel nozzle 19 is arranged inside the combustion channel 18, when the combustor 12 is arranged, the combustor is far away from a furnace lining 1, low-oxygen combustion is achieved, the bottom of the furnace lining 1 is fixedly connected with an underframe 11 through bolts, the top of the furnace lining 1 is fixedly connected with a chimney 3 through bolts, a chimney baffle 4 is arranged inside the chimney 3, the top of the chimney 3 is fixedly connected with a rain cover 2 through bolts, the furnace lining 1 is respectively provided with a fire-resistant layer 23, a heat-insulating layer 22 and a protective layer 21 from inside to outside, wherein the fire-resistant layer 23 is formed by building, ramming or pouring refractory materials, the heat-insulating layer 22 is formed by building, laying, filling or pasting porous heat-insulating materials, and the protective layer 21 is made of building bricks or steel plates.
The working principle is as follows: when the device is used, materials enter the furnace from the material inlet 7, and are discharged to the next link from the material outlet 10 after passing through the convection furnace tube 8 and the radiation furnace tube 9, at the moment, the combustor 12 works, heat generated by flame and high-temperature smoke carries out heat radiation on the radiation furnace tube 9, the high-temperature smoke discharged from the radiation chamber 13 carries out heat convection with the convection furnace tube 8, and redundant unused high-temperature smoke carries out heat exchange with air blown in by the blower 16, so that the temperature of gas in the exhaust pipe 5 is increased, the gas is sprayed to the convection furnace tube 8 through the nozzle 15, waste heat recovery is completed, the used smoke upwards enters the chimney 3 through the chimney baffle 4 and is finally discharged outwards.
Example 2
Referring to fig. 4, in the present embodiment, compared with embodiment 1, the outer wall of the furnace lining 1 where the convection chamber 14 is located is fixedly connected with a sound generator 26 through bolts, one side of the sound generator 26 is fixedly connected with a motor 25 through bolts, one side of the sound generator 26 close to the furnace lining 1 is fixedly connected with a horn 24 through bolts, and the horn 24 is extended into the furnace lining 1 and aligned with the outer wall of the convection furnace tube 8.
The working principle is as follows: when the device is used, materials enter the furnace from the material inlet 7, are discharged to the next link from the material outlet 10 after passing through the convection furnace tube 8 and the radiation furnace tube 9, at the moment, the burner 12 works, heat generated by flame and high-temperature smoke carries out heat radiation on the radiation furnace tube 9, the high-temperature smoke discharged from the radiation chamber 13 carries out heat convection with the convection furnace tube 8, the surplus unused high-temperature smoke carries out heat exchange with air blown in by the blower 16, so that the gas temperature in the exhaust pipe 5 is increased, the smoke is sprayed to the convection furnace tube 8 through the nozzle 15 to complete waste heat recovery, the used smoke upwards enters the chimney 3 through the chimney baffle 4 and is finally discharged outwards, meanwhile, the sound wave generator 26 converts compressed air (or steam) into high-power sound waves or infrasound waves and sends the sound waves into the furnace under the action of the motor 25, and faces the convection furnace tube 8, and when the accumulated dust on the heating surface is subjected to back-pulling by sparse waves which are alternately changed at a certain frequency, When the pressure is acted, the deposited dust falls off due to fatigue and is loosened and taken away with the smoke flow, or falls to the bottom under the action of gravity and is discharged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a coal tar is handled and is used decompression stove, includes furnace lining (1), and furnace lining (1) is inside to be divided into radiation room (13) and convection chamber (14), its characterized in that, furnace lining (1) inner wall fixedly connected with support frame (6), support frame (6) other end fixedly connected with blast pipe (5), blast pipe (5) are S-shaped distribution inside furnace lining (1), the downward fixedly connected with spout (15) of blast pipe (5) one end, spout (15) are towards convection chamber (14), and furnace lining (1) fixedly connected with hair-dryer (16) are stretched out to blast pipe (5) other end, hair-dryer (16) fixed mounting is in furnace lining (1) outer wall.
2. The pressure reducing furnace for treating coal tar according to claim 1, wherein the convection chamber (14) comprises convection furnace tubes (8), the convection furnace tubes (8) are distributed in the convection chamber (14) in a spiral multilayer manner, the tail ends of the convection furnace tubes (8) at the top of the convection chamber (14) are fixedly connected with a material inlet (7), and the material inlet (7) extends out of the furnace lining (1) and is connected with an upper link mechanism outside the pressure reducing furnace.
3. The coal tar treatment vacuum furnace according to claim 1, characterized in that the radiation chamber (13) is located at the bottom of the convection chamber (14), the radiation chamber (13) comprises radiation furnace tubes (9), the radiation furnace tubes (9) are distributed around the circumference of the inner wall of the furnace lining (1), the material of the radiation furnace tubes has sufficient high-temperature strength and high-temperature chemical stability, the tail end of the radiation furnace tube (9) at the bottom of the radiation chamber (13) is fixedly connected with a material outlet (10), and the material outlet (10) extends out of the furnace lining (1) to be connected with a next link mechanism outside the vacuum furnace.
4. The coal tar treatment vacuum furnace according to claim 1, characterized in that a plurality of burners (12) are fixedly connected to the bottom of the furnace lining (1), a mounting frame (20) is arranged on the outer wall of each burner (12), an air distributor (17) is fixedly connected to the bottom of each burner (12), a combustion channel (18) is fixedly connected to the top of each air distributor (17), a fuel nozzle (19) is arranged inside each combustion channel (18), and the burners (12) are far away from the furnace lining (1) when being arranged, so that low-oxygen combustion is realized.
5. The coal tar treatment vacuum furnace according to claim 1, characterized in that the bottom of the furnace lining (1) is fixedly connected with an underframe (11), the top of the furnace lining (1) is fixedly connected with a chimney (3), a chimney baffle (4) is arranged in the chimney (3), and the top of the chimney (3) is fixedly connected with a rain cover (2).
6. The pressure reducing furnace for treating the coal tar according to claim 1, characterized in that the furnace lining (1) is respectively composed of a fire-resistant layer (23), an insulating layer (22) and a protective layer (21) from inside to outside, wherein the fire-resistant layer (23) is formed by building, ramming or pouring fire-resistant materials, the insulating layer (22) is formed by building, laying, filling or pasting porous insulating materials, and the protective layer (21) is made of building bricks or steel plates.
7. The coal tar treatment vacuum furnace according to claim 1, characterized in that the outer wall of the furnace lining (1) where the convection chamber (14) is located is fixedly connected with a sound wave generator (26), one side of the sound wave generator (26) is fixedly connected with a motor (25), one side of the sound wave generator (26) close to the furnace lining (1) is fixedly connected with a horn (24), and the horn (24) extends into the furnace lining (1) and aligns with the outer wall of the convection furnace tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764681.4U CN215725052U (en) | 2021-04-15 | 2021-04-15 | Decompression furnace for coal tar treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764681.4U CN215725052U (en) | 2021-04-15 | 2021-04-15 | Decompression furnace for coal tar treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215725052U true CN215725052U (en) | 2022-02-01 |
Family
ID=80029048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120764681.4U Expired - Fee Related CN215725052U (en) | 2021-04-15 | 2021-04-15 | Decompression furnace for coal tar treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215725052U (en) |
-
2021
- 2021-04-15 CN CN202120764681.4U patent/CN215725052U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20220201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |