CN220912038U - Waste heat recovery device of inert gas high-temperature heat treatment furnace - Google Patents
Waste heat recovery device of inert gas high-temperature heat treatment furnace Download PDFInfo
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- CN220912038U CN220912038U CN202322561385.6U CN202322561385U CN220912038U CN 220912038 U CN220912038 U CN 220912038U CN 202322561385 U CN202322561385 U CN 202322561385U CN 220912038 U CN220912038 U CN 220912038U
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- temperature air
- temperature
- low
- treatment furnace
- air inlet
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 239000011261 inert gas Substances 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 239000002918 waste heat Substances 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 12
- 238000004134 energy conservation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
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- Furnace Details (AREA)
Abstract
The utility model discloses a waste heat recovery device of an inert gas high-temperature heat treatment furnace, which comprises a heat treatment furnace and a heat exchange box, wherein heat exchange plates distributed in a serpentine shape are arranged in the heat exchange box, so that the interior of the heat exchange box is divided into a high-temperature gas channel and a low-temperature gas channel, a high-temperature air inlet and a high-temperature air outlet which are communicated with the high-temperature gas channel are respectively arranged on the heat exchange box, a low-temperature air inlet and a low-temperature air outlet which are communicated with the low-temperature gas channel are respectively arranged on the heat exchange box, a high-temperature air inlet pipeline is connected between the top of the heat treatment furnace and the high-temperature air inlet, a low-temperature air outlet pipeline is connected between the side wall of the heat treatment furnace and the low-temperature air outlet, and a high-temperature air outlet pipeline is connected with the high-temperature air outlet pipeline which is connected with the low-temperature air inlet pipeline. Through this waste heat recovery device, can carry out recycle to the high temperature waste heat that waste gas took away, reach the purpose that falls cost increase efficiency, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to the technical field of heat treatment, in particular to a waste heat recovery device of an inert gas high-temperature heat treatment furnace.
Background
Along with the development of the industry in China, various inert gas (helium, argon and the like) high-temperature and ultra-temperature heat treatment equipment (the highest temperature is more than or equal to 2000 ℃) are widely applied to the processes of presintering, sintering, brazing and the like of electronic ceramic products in metallurgical, mechanical, light industry, commercial and colleges and universities, scientific research departments, industrial and mining enterprises. In order to keep the ultra-low oxygen content (within 3 ppm) in the furnace body at 2000 ℃, the inert gas high-temperature heat treatment furnace generally keeps to blow high-purity inert gas into the equipment, and the directly discharged tail gas with higher oxygen concentration can take away a large amount of heat, so that the total power consumption of the equipment can be about 1/5. Under the conditions of large environment advocating energy conservation in society and low cost of companies, if the part of energy carried away by tail gas can be recycled, the effects of reducing cost and enhancing efficiency can be achieved.
Disclosure of utility model
The utility model aims to provide a waste heat recovery device of an inert gas high-temperature heat treatment furnace, which can recycle the high-temperature waste heat taken away by waste gas, thereby achieving the purposes of cost reduction, efficiency enhancement, energy conservation and environmental protection.
In order to achieve the above object, the solution of the present utility model is:
The utility model provides a waste heat recovery device of inert gas high temperature heat treatment furnace, includes heat treatment furnace and heat exchange box, the heat exchange box is provided with the heat exchange board that is snakelike distribution to become high temperature gas passageway and low temperature gas passageway with the internal partition of heat exchange box, be provided with respectively on the heat exchange box with high temperature air inlet and the high temperature gas outlet of high temperature gas passageway intercommunication, be provided with respectively on the heat exchange box with low temperature air inlet and the low temperature gas outlet of low temperature gas passageway intercommunication, the high temperature air inlet with the low temperature gas outlet is located the same end of heat exchange box, the high temperature gas outlet with the low temperature air inlet is located the same end of heat exchange box, the heat treatment furnace the top with be connected with high temperature air inlet between the high temperature air inlet, the lateral wall of heat treatment furnace with be connected with low temperature air outlet between the low temperature gas outlet, the high temperature gas outlet is connected with high temperature exhaust pipe, low temperature air inlet is connected with low temperature air inlet, be provided with flowmeter and control valve on the low temperature air inlet.
The high-temperature air inlet and the high-temperature air outlet are respectively arranged at the bottom and the top of the heat exchange box.
The low-temperature air inlet and the low-temperature air outlet are respectively arranged at the upper end and the lower end of one side of the heat exchange box.
And a heat insulation partition board is horizontally arranged in the high-temperature gas channel.
And a heat preservation baffle plate is horizontally arranged in the low-temperature gas channel.
One end of the high-temperature air inlet pipeline is arranged at the top of the heat treatment furnace, and the other end of the high-temperature air inlet pipeline is connected with the high-temperature air inlet in a sealing way through a flange.
One end of the low-temperature air outlet pipeline is arranged on the side wall of the heat treatment furnace, and the other end of the low-temperature air outlet pipeline is in sealing connection with the low-temperature air outlet through a flange.
The heat treatment furnace is internally provided with a heating cavity, and a needled carbon fiber felt is arranged between the heating cavity and the inner side wall of the heat treatment furnace.
After the structure is adopted, the high-purity inert gas at normal temperature is introduced into the heat exchange box from the low-temperature air inlet pipeline, meanwhile, high-temperature waste gas in the heat treatment furnace enters the heat exchange box from the high-temperature air inlet pipeline, after heat exchange is carried out in the heat exchange box, the high-purity inert gas enters the heat treatment furnace from the low-temperature air outlet pipeline, and the waste gas is discharged from the high-temperature air outlet pipeline, so that the electricity consumption of the heat treatment furnace can be reduced through the recovery of the heat of the waste gas, and the purposes of reducing the cost, enhancing the efficiency, saving energy and protecting the environment are achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of the internal structure of the present utility model.
In the figure:
Heating chamber 11 of heat treatment furnace 1
Needled carbon fiber felt 12 heat exchange box 2
High temperature gas passage 21 and low temperature gas passage 22
High temperature air inlet 23 and high temperature air outlet 24
Low temperature air inlet 25 and low temperature air outlet 26
Heat-insulating partition board 4 of heat exchange board 3
High temperature air inlet channel 5 low temperature air outlet pipeline 6
High temperature exhaust passage 7 low temperature intake passage 8
Flowmeter 81 controls valve 82
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
The waste heat recovery device of the inert gas high-temperature heat treatment furnace comprises a heat treatment furnace 1 and a heat exchange box 2, wherein heat exchange plates 3 which are distributed in a serpentine shape and made of heat conducting metal are arranged in the heat exchange box 2, so that the interior of the heat exchange box 2 is divided into a high-temperature gas channel 21 and a low-temperature gas channel 22 which are distributed vertically. A heat insulation partition board 4 is horizontally arranged in the high-temperature gas channel 21. A thermal insulation baffle 4 is also horizontally arranged in the low-temperature gas channel 22. The heat insulation partition board 4 is a glass wool heat insulation board, so that the dissipation of gas heat is reduced.
The heat exchange box 2 is provided with a high temperature air inlet 23 and a high temperature air outlet 24 which are communicated with the high temperature gas channel 21, and the high temperature air inlet 23 and the high temperature air outlet 24 are respectively arranged at the bottom and the top of the heat exchange box 2. The heat exchange box 2 is respectively provided with a low-temperature air inlet 25 and a low-temperature air outlet 26 which are communicated with the low-temperature air channel 22, and the low-temperature air inlet 25 and the low-temperature air outlet 26 are respectively arranged at the upper end and the lower end of one side of the heat exchange box 2, so that the air inlet direction and the air outlet direction of the normal-temperature inert gas and the high-temperature waste gas are opposite, and the full heat exchange of the inert gas and the high-temperature waste gas is ensured.
A high-temperature air inlet pipeline 5 is connected between the top of the heat treatment furnace 1 and the high-temperature air inlet 23, one end of the high-temperature air inlet pipeline 5 is arranged at the top of the heat treatment furnace 1 in a sealing way, and the other end of the high-temperature air inlet pipeline 5 is connected with the high-temperature air inlet 23 in a sealing way through a flange.
A low-temperature air outlet pipeline 6 is connected between the side wall of the heat treatment furnace 1 and the low-temperature air outlet 26, one end of the low-temperature air outlet pipeline 6 is arranged on the side wall of the heat treatment furnace 1 in a sealing way, and the other end of the low-temperature air outlet pipeline 6 is connected with the low-temperature air outlet 26 in a sealing way through a flange.
The high temperature air outlet 24 is connected with a high temperature exhaust pipeline 7, the low temperature air inlet 25 is connected with a low temperature air inlet pipeline 8, and a flowmeter 81 and a control valve 82 are arranged on the low temperature air inlet pipeline 8. The high-temperature air inlet pipeline 5, the high-temperature exhaust pipeline 7, the low-temperature air inlet pipeline 8 and the low-temperature air outlet pipeline 6 are all stainless steel pipes.
A heating cavity 11 is arranged in the heat treatment furnace 1, and a needled carbon fiber felt 12 is arranged between the heating cavity 11 and the inner side wall of the heat treatment furnace 1. The normal-temperature high-purity inert gas enters the heat treatment furnace 1 through the low-temperature air outlet pipeline 8, then enters the heating cavity 11 through permeation and then sweeps the materials to form high-temperature and high-oxygen-concentration waste gas, and the waste gas enters the heat exchange box 2 through the high-temperature air inlet pipeline 5 at the top of the heat treatment furnace 1 due to the pressure in the furnace.
After the structure is adopted, the high-purity inert gas at normal temperature is introduced into the heat exchange box 2 from the low-temperature air inlet pipeline 8, meanwhile, high-temperature waste gas in the heat treatment furnace 1 enters the heat exchange box 2 from the high-temperature air inlet pipeline 5, after heat exchange in the heat exchange box 2, the high-purity inert gas enters the heat treatment furnace 1 from the low-temperature air outlet pipeline 6, and the waste gas is discharged from the high-temperature air outlet pipeline 7, so that the electricity consumption of the heat treatment furnace can be reduced through the recovery of the heat of the waste gas, and the purposes of cost reduction, efficiency enhancement, energy conservation and environmental protection are achieved.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (8)
1. The utility model provides a waste heat recovery device of inert gas high temperature heat treatment furnace, includes heat treatment furnace and heat exchange box, its characterized in that: the heat exchange box is internally provided with heat exchange plates which are distributed in a serpentine manner, so that the interior of the heat exchange box is divided into a high-temperature gas channel and a low-temperature gas channel, the heat exchange box is respectively provided with a high-temperature air inlet and a high-temperature air outlet which are communicated with the high-temperature gas channel, the heat exchange box is respectively provided with a low-temperature air inlet and a low-temperature air outlet which are communicated with the low-temperature gas channel, the high-temperature air inlet and the low-temperature air outlet are positioned at the same end of the heat exchange box, the high-temperature air outlet and the low-temperature air inlet are positioned at the same end of the heat exchange box, a high-temperature air inlet pipeline is connected between the top of the heat treatment furnace and the high-temperature air inlet, a low-temperature air outlet pipeline is connected between the side wall of the heat treatment furnace and the low-temperature air outlet, the high-temperature air outlet is connected with a high-temperature air outlet pipeline, and the low-temperature air inlet is connected with a low-temperature air inlet pipeline, and the low-temperature air inlet pipeline is provided with a flowmeter and a control valve.
2. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: the high-temperature air inlet and the high-temperature air outlet are respectively arranged at the bottom and the top of the heat exchange box.
3. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: the low-temperature air inlet and the low-temperature air outlet are respectively arranged at the upper end and the lower end of one side of the heat exchange box.
4. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: and a heat insulation partition board is horizontally arranged in the high-temperature gas channel.
5. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: and a heat preservation baffle plate is horizontally arranged in the low-temperature gas channel.
6. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: one end of the high-temperature air inlet pipeline is arranged at the top of the heat treatment furnace, and the other end of the high-temperature air inlet pipeline is connected with the high-temperature air inlet in a sealing way through a flange.
7. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: one end of the low-temperature air outlet pipeline is arranged on the side wall of the heat treatment furnace, and the other end of the low-temperature air outlet pipeline is in sealing connection with the low-temperature air outlet through a flange.
8. The waste heat recovery device of an inert gas high temperature heat treatment furnace according to claim 1, wherein: the heat treatment furnace is internally provided with a heating cavity, and a needled carbon fiber felt is arranged between the heating cavity and the inner side wall of the heat treatment furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561385.6U CN220912038U (en) | 2023-09-20 | 2023-09-20 | Waste heat recovery device of inert gas high-temperature heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561385.6U CN220912038U (en) | 2023-09-20 | 2023-09-20 | Waste heat recovery device of inert gas high-temperature heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220912038U true CN220912038U (en) | 2024-05-07 |
Family
ID=90917990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561385.6U Active CN220912038U (en) | 2023-09-20 | 2023-09-20 | Waste heat recovery device of inert gas high-temperature heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220912038U (en) |
-
2023
- 2023-09-20 CN CN202322561385.6U patent/CN220912038U/en active Active
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