CN210065845U - Arch-top type natural gas annealing furnace for stainless steel pipe - Google Patents
Arch-top type natural gas annealing furnace for stainless steel pipe Download PDFInfo
- Publication number
- CN210065845U CN210065845U CN201920569769.3U CN201920569769U CN210065845U CN 210065845 U CN210065845 U CN 210065845U CN 201920569769 U CN201920569769 U CN 201920569769U CN 210065845 U CN210065845 U CN 210065845U
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- CN
- China
- Prior art keywords
- furnace body
- waste heat
- heat
- natural gas
- flue gas
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000137 annealing Methods 0.000 title claims abstract description 22
- 239000003345 natural gas Substances 0.000 title claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 9
- 239000010935 stainless steel Substances 0.000 title claims abstract description 9
- 239000002918 waste heat Substances 0.000 claims abstract description 42
- 238000005338 heat storage Methods 0.000 claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an arched top type natural gas annealing furnace for stainless steel pipes, which comprises an arched top type inner furnace body and an outer furnace body, wherein the top of the inner furnace body is provided with a heat flow discharge port which extends upwards and the opening of which is gradually reduced, a volute is fixed on the outer furnace body, a centrifugal impeller driven by a driving motor is installed in the volute, an inlet of the volute is covered on the heat flow discharge port, the outlet of the volute faces towards a waste heat recovery gap, a flue gas filtering component is arranged in the waste heat recovery gap, the flue gas filtering component divides the waste heat recovery gap into a closed waste heat storage chamber, compared with the prior art, the utility model adopts natural gas as fuel, is clean and pollution-free, utilizes the rotation of the centrifugal impeller to lead gas carrying a large amount of heat in the inner furnace body into the waste heat recovery gap, and is led into the inner furnace body again by a placing table after flue gas treatment, so that, greatly reduces the exhaust emission and is beneficial to resource saving and environmental protection.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of nonrust steel pipe annealing equipment structure, especially a nonrust steel pipe is with hunch top formula natural gas annealing stove.
[ background of the invention ]
The metal material products are mostly annealed before finished products, the main purpose of the annealing is to eliminate hardening and residual stress generated in the processing process, improve the plasticity and the processing performance of the materials, change the tissue structure of the materials and obtain the required grain size and grain orientation, the annealing refers to slowly heating the metal to a certain temperature, keeping the temperature for enough time and then cooling at a proper speed, and the purpose of reducing the hardness and improving the cutting processability is achieved; eliminating residual stress, stabilizing size, reducing deformation and crack tendency, refining crystal grains, regulating tissue and eliminating tissue defect.
The annealing process mainly comprises an annealing furnace, and the heating modes of the annealing furnace mainly comprise two modes, namely electromagnetic heating and fuel heating. The electromagnetic heating mode can ensure that the heated piece is heated uniformly, has less pollution and convenient control, but has high manufacturing cost and wastes a large amount of electric energy. The fuel heating generally adopts coal combustion for heating, but coal heating is uneven and easy to generate smoke dust, the annealing furnace emits a large amount of heat during annealing of large carbon steel and alloy steel parts, the temperature in the furnace is 2000 ℃, the gas exhausted from the reactor carries a large amount of heat, the part of heat can not be effectively utilized at present, the waste of energy and resources can be caused, the heat can be utilized quite considerably, and meanwhile, the exhausted gas can cause certain environmental pollution to influence the physical health of operators on the production site.
[ Utility model ] content
The utility model aims at solving the problem in the prior art, providing a nonrust steel pipe is with hunch top formula natural gas annealing stove to the natural gas carries out annealing treatment to nonrust steel pipe as fuel, and realizes waste heat recovery, avoids causing the energy to run off.
In order to achieve the above purpose, the utility model provides an arched top type natural gas annealing furnace for stainless steel pipes, which comprises an arched top type inner furnace body and an arched top type outer furnace body, wherein waste heat recovery gaps are formed at two sides between the inner furnace body and the outer furnace body, a placing platform for placing steel pipes is arranged in the inner furnace body, a pipeline for conveying natural gas is transversely arranged in the inner furnace body, a burner is arranged on the pipeline, the top of the inner furnace body is provided with a heat flow discharge port which extends upwards and the opening of which is gradually reduced, a spiral case is fixed on the outer furnace body, a centrifugal impeller driven by a driving motor is arranged in the spiral case, an inlet of the spiral case is covered on the heat flow discharge port, the outlet of the spiral case faces towards the waste heat recovery gaps, smoke filtering components are arranged in the waste heat recovery gaps, and are divided into closed waste heat storage chambers by the smoke filtering components, the waste heat storage chamber is communicated with the placing table to supply heat to the placing table.
Preferably, flue gas filter assembly establishes between interior furnace body and the outer furnace body and will the lower part in waste heat recovery clearance is separated and is formed the waste heat storage chamber, flue gas filter assembly is including setting up desulfurization catalyst layer, carbon monoxide catalyst layer, active carbon filter layer and the pure layer that purifies of diatom that just top-down arranged in proper order in the shell, the shell has inlet port and discharge port, discharge port and waste heat storage chamber intercommunication.
Preferably, a heat insulation shell is arranged above the smoke filtering component, a heat energy backflow fan is arranged in the heat insulation shell, an air inlet of the heat energy backflow fan faces to an outlet of the volute, and an air outlet of the heat energy backflow fan is in butt joint with an inlet of the shell in the smoke filtering component.
Preferably, the side wall of the inner furnace body is provided with a pair of heat storage chambers, the placing table is hollow and horizontally arranged in the inner furnace body, two ends of the placing table are communicated with the heat storage chambers, and the placing table is provided with a plurality of heat discharging openings.
Preferably, the waste heat storage chamber and the heat storage chamber are provided with a heat discharge pump, and the heat discharge pump can convey heat in the waste heat storage chamber to the heat storage chamber for the placement table to discharge.
The utility model has the advantages that: compared with the prior art, the utility model discloses a natural gas is as fuel, and is clean pollution-free, utilizes centrifugal impeller's rotation, carries a large amount of thermal gas to leading-in to the waste heat recovery clearance in will interior furnace body, carries out flue gas treatment back and leads-in to interior furnace body by placing the platform again, makes this waste heat be used for preheating or annealing heating of nonrust steel pipe, reduces exhaust emission by a wide margin, is favorable to resource saving and environmental protection.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-inner furnace body, 2-outer furnace body, 3-waste heat recovery gap, 4-placing table, 5-pipeline, 6-burner, 7-heat flow outlet, 8-volute, 9-centrifugal impeller, 10-waste heat storage chamber, 11-shell, 12-desulfurization catalyst layer, 13-carbon monoxide catalyst layer, 14-active carbon filter layer, 15-diatom pure purification layer, 16-heat insulation shell, 17-heat energy reflux fan, 18-heat storage chamber, 19-heat outlet, 20-heat discharge pump.
[ detailed description ] embodiments
Referring to fig. 1, the utility model comprises an inner furnace body 1 and an outer furnace body 2 of an arch top type, waste heat recovery gaps 3 are formed at two sides between the inner furnace body 1 and the outer furnace body 2, a placing table 4 for placing steel pipes is arranged in the inner furnace body 1, a pipeline 5 for conveying natural gas is transversely arranged in the inner furnace body 1, a burner 6 is arranged on the pipeline 5, a heat flow discharge port 7 which extends upwards and has a gradually reduced opening is arranged at the top of the inner furnace body 1, a volute 8 is fixed on the outer furnace body 2, a centrifugal impeller 9 driven by a driving motor is arranged in the volute 8, an inlet of the volute 8 is covered on the heat flow discharge port 7, an outlet of the volute faces the waste heat recovery gaps 3, a flue gas filtering component is arranged in the waste heat recovery gaps 3, and divides the waste heat recovery gaps 3 into a closed waste heat storage chamber 10, the waste heat storage chamber 10 is communicated with the placing table 4 to supply heat for the placing table.
It is specific, flue gas filter assembly establishes in interior furnace body 1 and outer furnace body 2 between and will the lower part of waste heat recovery clearance 3 is separated and is formed waste heat storage chamber 10, flue gas filter assembly is including setting up desulfurization catalyst layer 12, carbon monoxide catalyst layer 13, active carbon filter layer 14 and the pure purification layer 15 of diatom that just top-down arranged in proper order in shell 11, shell 11 has inlet port and discharge port, discharge port and waste heat storage chamber 10 intercommunication filter the harmful substance in the annealing stove exhaust heat energy flue gas through flue gas filter assembly, the availability factor of the energy improves. The surface of the desulfurization catalyst layer 12 has activity, can be subjected to catalytic oxidation, and can promote the direct reaction of sulfur dioxide, the carbon monoxide catalyst layer 13 is a mixture of copper oxide, manganese dioxide and other metal oxides, the carbon monoxide catalyst layer 13 reacts with carbon monoxide to filter the carbon monoxide, the gas quality is improved, and the activated carbon filter layer 14 and the diatom purification layer 15 have extremely strong adsorption force and can absorb harmful substances in the gas.
Specifically, a heat insulation shell 16 is arranged above the flue gas filtering component, a heat energy backflow fan 17 is arranged in the heat insulation shell 16, an air inlet of the heat energy backflow fan 17 faces an outlet of the volute 8, and an air outlet of the heat energy backflow fan 17 is in butt joint with an inlet of the shell 11 in the flue gas filtering component.
Specifically, a pair of heat storage chambers 18 are arranged on the side wall of the inner furnace body 1, the placing table 4 is hollow and horizontally arranged in the inner furnace body 1, two ends of the placing table 4 are communicated with the heat storage chambers 18, and a plurality of heat discharging openings 19 are arranged on the placing table 4. The exhaust opening 19 can blow the residual heat to the stainless steel pipe to achieve the preheating effect.
Specifically, a heat discharging pump 20 is arranged between the waste heat storage chamber 10 and the heat storage chamber 18, and the heat discharging pump 20 can convey heat in the waste heat storage chamber 10 to the heat storage chamber 18 for discharging the placing table 4. The heat rejection pump 20 powers the heat flux.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. The utility model provides a nonrust steel pipe is with encircleing top formula natural gas annealing stove, includes encircleing top formula inner furnace body (1) and outer furnace body (2), form waste heat recovery clearance (3) in both sides between inner furnace body (1) and outer furnace body (2), just be equipped with in inner furnace body (1) and be used for placeeing platform (4) of placing of steel pipe, transversely install pipeline (5) that are used for carrying the natural gas in inner furnace body (1), install nozzle (6) on pipeline (5), its characterized in that: the top of interior furnace body (1) is equipped with upwards extends and heat flow discharge port (7) that the opening reduces gradually, be fixed with spiral case (8) on outer furnace body (2), install in spiral case (8) by driving motor driven centrifugal impeller (9), the import cover of spiral case (8) is established on heat flow discharge port (7), its export orientation waste heat recovery clearance (3), be equipped with flue gas filter assembly in waste heat recovery clearance (3), flue gas filter assembly will inclosed waste heat storage chamber (10) is separated out in waste heat recovery clearance (3), waste heat storage chamber (10) can be its heat supply with placing platform (4) intercommunication.
2. The arch-top type natural gas annealing furnace for the stainless steel pipe as claimed in claim 1, wherein: flue gas filtering component establishes between interior furnace body (1) and outer furnace body (2) and will the lower part of waste heat recovery clearance (3) is separated and is formed waste heat storage chamber (10), flue gas filtering component is including setting up desulfurization catalyst layer (12), carbon monoxide catalyst layer (13), active carbon filter layer (14) and the pure purification layer of diatom (15) that just top-down arranged in proper order in shell (11), shell (11) has inlet port and discharge port, discharge port and waste heat storage chamber (10) intercommunication.
3. The arch-top type natural gas annealing furnace for the stainless steel pipe as claimed in claim 2, wherein: the top of flue gas filtering component is equipped with thermal-insulated shell (16), be equipped with heat energy return fan (17) in thermal-insulated shell (16), the air intake orientation of heat energy return fan (17) the export of spiral case (8), the air exit of heat energy return fan (17) with the inlet port butt joint of shell (11) among the flue gas filtering component.
4. The arch-type natural gas annealing furnace for stainless steel pipes according to any one of claims 1 to 3, wherein: be equipped with a pair of heat storage room (18) on the lateral wall of interior furnace body (1), place platform (4) and be the cavity form and the level sets up in interior furnace body (1), and the both ends of placing platform (4) with heat storage room (18) intercommunication, it is equipped with a plurality of heat extraction mouths (19) on platform (4) to place.
5. The arch-top type natural gas annealing furnace for the stainless steel pipe as claimed in claim 4, wherein: be equipped with between waste heat storage chamber (10) and heat-retaining chamber (18) and arrange heat pump (20), arrange heat pump (20) and can carry the heat in waste heat storage chamber (10) to place platform (4) and discharge in heat-retaining chamber (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569769.3U CN210065845U (en) | 2019-04-24 | 2019-04-24 | Arch-top type natural gas annealing furnace for stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569769.3U CN210065845U (en) | 2019-04-24 | 2019-04-24 | Arch-top type natural gas annealing furnace for stainless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210065845U true CN210065845U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920569769.3U Expired - Fee Related CN210065845U (en) | 2019-04-24 | 2019-04-24 | Arch-top type natural gas annealing furnace for stainless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210065845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593065A (en) * | 2020-12-10 | 2021-04-02 | 芜湖品金电器科技有限公司 | Metal annealing furnace convenient to retrieve outside waste heat and recycle |
| CN113182352A (en) * | 2021-03-08 | 2021-07-30 | 陈鲁彬 | Production line for manufacturing copper strips by using multistage oxygen-free copper plates with heating furnace |
| CN113275397A (en) * | 2021-03-30 | 2021-08-20 | 桐乡市永成线缆有限公司 | Copper wire drawing process |
-
2019
- 2019-04-24 CN CN201920569769.3U patent/CN210065845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593065A (en) * | 2020-12-10 | 2021-04-02 | 芜湖品金电器科技有限公司 | Metal annealing furnace convenient to retrieve outside waste heat and recycle |
| CN113182352A (en) * | 2021-03-08 | 2021-07-30 | 陈鲁彬 | Production line for manufacturing copper strips by using multistage oxygen-free copper plates with heating furnace |
| CN113275397A (en) * | 2021-03-30 | 2021-08-20 | 桐乡市永成线缆有限公司 | Copper wire drawing process |
| CN113275397B (en) * | 2021-03-30 | 2022-07-29 | 桐乡市永成线缆有限公司 | Copper wire drawing process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |