CN211011463U - Residual heat utilization device of gas heating furnace - Google Patents
Residual heat utilization device of gas heating furnace Download PDFInfo
- Publication number
- CN211011463U CN211011463U CN201921444335.7U CN201921444335U CN211011463U CN 211011463 U CN211011463 U CN 211011463U CN 201921444335 U CN201921444335 U CN 201921444335U CN 211011463 U CN211011463 U CN 211011463U
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- Prior art keywords
- heat
- pipe
- heating furnace
- heat transfer
- pipeline
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a residual heat utilization device of a gas heating furnace, which comprises a heating furnace body, wherein the heating furnace body comprises a feeding area, a preheating area and a heating area, one side surface of the preheating area, which is close to the feeding area, is provided with a workpiece inlet, and the residual heat utilization device also comprises a heat transfer pipeline, a heat insulation outer pipeline, an exhaust fan, an exhaust pipe and an air supply pipe; the open end of the heat transfer pipeline is arranged on the workpiece inlet, and the open end of the heat transfer pipeline is fixedly connected with a heat collection cover for covering the workpiece inlet on the upper side of the feeding area; the heat insulation pipeline is sleeved outside the heat transfer pipeline, and an air cavity is arranged between the inner wall of the heat insulation pipeline and the outer wall of the heat transfer pipeline; the exhaust fan is fixedly connected to the outer wall of the feeding area; one end of the exhaust pipe is connected with the exhaust end of the exhaust fan, and the other end of the exhaust pipe is communicated with the top of the air cavity; one end of the blast pipe is arranged in a closed mode, the other end of the blast pipe is communicated with the lower portion of the air cavity, branch pipes are communicated with the blast pipe, and one end, far away from the blast pipe, of each branch pipe is communicated with a combustion-supporting air pipe of a corresponding combustion-supporting fan.
Description
Technical Field
The utility model belongs to the technical field of the heating furnace, particularly, be a gas heating furnace residual heat utilization equipment.
Background
The existing gas heating furnace for heat treatment sequentially comprises a material adding area for adding workpieces and conveying the workpieces to the preheating area, a preheating area for preheating the workpieces and a heat treatment area communicated with a prediction area, wherein a side surface, close to the material adding area, of the preheating area is necessarily provided with a workpiece inlet, when the metal pieces are subjected to heat treatment, part of heat in the preheating area can be discharged from the workpiece inlet, so that heat is wasted, in addition, a gas burner on the heating furnace needs a combustion fan to ventilate the gas burner, and then the gas is ignited, but a combustion air pipe of the existing combustion fan of the heating furnace leads air at room temperature to the burner, and the energy consumption of gas combustion in the burner is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solve the gas heating furnace residual heat utilization equipment that is not enough among the prior art. In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a gas heating furnace residual heat utilization device comprises a heating furnace body, wherein the heating furnace body comprises a feeding area, a preheating area and a heating area, a workpiece inlet is arranged on one side surface of the preheating area close to the feeding area, and the gas heating furnace residual heat utilization device also comprises a heat transfer pipeline, a heat insulation pipeline, an exhaust fan, an exhaust pipe and an air supply pipe; the open end of the heat transfer pipeline is arranged on the workpiece inlet, and the open end of the heat transfer pipeline is fixedly connected with a heat collection cover for covering the workpiece inlet on the upper side of the feeding area;
the heat-insulating pipeline is sleeved outside the heat transfer pipeline, the open end of the heat-insulating pipeline is fixedly connected with the outer wall of the open end of the heat transfer pipeline, and an air cavity is formed between the inner wall of the heat-insulating pipeline and the outer wall of the heat transfer pipeline; the exhaust fan is fixedly connected to the outer wall of the material adding area; one end of the exhaust pipe is connected with the exhaust end of the exhaust fan, and the other end of the exhaust pipe is communicated with the top of the air cavity;
one end of the blast pipe is sealed, the other end of the blast pipe is communicated with the lower part of the air cavity, branch pipes are communicated on the blast pipe, and one ends of the branch pipes, far away from the blast pipe, are communicated with combustion-supporting air pipes of corresponding combustion-supporting fans.
Further inject, the heat transfer pipeline is made of heat conducting material with high temperature resistance, and the heat insulation pipeline is made of heat insulation material with high temperature resistance.
Further defined, the wind cavity is spiral in shape.
Further limiting, the surfaces of the air supply pipe and the branch pipe are wrapped with heat insulation cotton.
Further limiting, the heat insulation pipeline is fixedly connected with the outer wall of the heating furnace body through a reinforcing frame.
Has the advantages that:
the heat in the preheating zone enters the heat transfer pipeline from the workpiece inlet to heat the pipe wall of the heat transfer pipeline, the external air is extracted into the air cavity by the exhaust fan, the heated pipe wall of the heat transfer pipeline heats the air in the air cavity, the air is heated to a higher temperature in the spiral air cavity and then enters the air delivery pipe, and finally the air is introduced into the combustion-supporting air pipe through the branch pipe, so that the energy consumption of a subsequent burner is reduced.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a front view of the present invention;
the main element symbols are as follows:
the device comprises a feeding area 1, a preheating area 2, a heating area 3, a workpiece inlet 4, a heat transfer pipeline 5, a heat insulation pipeline 6, an exhaust fan 7, an exhaust pipe 8, an air supply pipe 9, a heat collection cover 10, branch pipes 11, a combustion-supporting air pipe 12 and an air cavity 13.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, a waste heat utilization device of a gas heating furnace comprises a heating furnace body, wherein the heating furnace body comprises a material adding area 1, a preheating area 2 and a heating area 3, a workpiece inlet 3 is arranged on one side surface of the preheating area 2 close to the material adding area 1, and the waste heat utilization device also comprises a heat transfer pipeline 5, a heat insulation pipeline 6, an exhaust fan 7, an exhaust pipe 8 and an air supply pipe 9; the open end of the heat transfer pipeline 5 is arranged on the workpiece inlet 4, and the open end of the heat transfer pipeline is fixedly connected with a heat collection cover 10 for covering the workpiece inlet on the upper side of the feeding area, so that most of heat radiated from the workpiece inlet 4 can enter the heat transfer pipeline 5; the heat insulation pipeline 6 is sleeved outside the heat transfer pipeline 5, the open end of the heat insulation pipeline 6 is fixedly connected with the outer wall of the open end of the heat transfer pipeline 5, the heat transfer pipeline 5 is made of high-temperature-resistant heat conduction materials, the heat insulation pipeline 6 is made of high-temperature-resistant heat insulation materials, an air cavity 13 is arranged between the inner wall of the heat insulation pipeline 6 and the outer wall of the heat transfer pipeline 5, and the air cavity 13 is in a spiral shape; the exhaust fan 7 is fixedly connected to the outer wall of the material adding area 1; one end of the exhaust pipe 8 is connected with the exhaust end of the exhaust fan 9, and the other end is communicated with the top of the air cavity 13; one end of the blast pipe 9 is sealed, the other end of the blast pipe 9 is communicated with the lower part of the air cavity 13, the blast pipe 9 is communicated with a branch pipe 11, one end of the branch pipe 11, which is far away from the blast pipe 9, is communicated with a combustion-supporting air pipe 12 of a corresponding combustion-supporting fan, and the surfaces of the blast pipe 9 and the branch pipe 11 are wrapped with heat insulation cotton (not shown in the figure), so that the heated hot air heat cannot be dissipated.
The heat in the preheating zone 2 enters the heat transfer pipeline 5 from the workpiece inlet 4 to heat the pipe wall of the heat transfer pipeline 5, the exhaust fan 7 extracts outside air into the air cavity 13, the heated pipe wall of the heat transfer pipeline 5 heats the air in the air cavity 13, the air is heated to a higher temperature in the spiral air cavity 13 and then enters the air delivery pipe 9, and finally the air is introduced into the combustion-supporting air pipe 12 through the branch pipe 11, and the combustion-supporting air pipe 12 leads the hot air to an air inlet of the burner, so that the energy consumption of a subsequent burner is reduced.
Specifically, the heat insulation pipeline 6 is fixedly connected with the outer wall of the heating furnace body through a reinforcing frame (not shown), so as to strengthen the support of the heat insulation pipeline 6 and the heat transfer pipeline 5.
It is right above the utility model provides a gas heating furnace residual heat utilization equipment has carried out the detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (5)
1. A gas heating furnace residual heat utilization device comprises a heating furnace body, wherein the heating furnace body comprises a feeding area, a preheating area and a heating area, and a workpiece inlet is arranged on one side surface of the preheating area close to the feeding area;
the open end of the heat transfer pipeline is arranged on the workpiece inlet, and the open end of the heat transfer pipeline is fixedly connected with a heat collection cover for covering the workpiece inlet on the upper side of the feeding area;
the heat-insulating pipeline is sleeved outside the heat transfer pipeline, the open end of the heat-insulating pipeline is fixedly connected with the outer wall of the open end of the heat transfer pipeline, and an air cavity is formed between the inner wall of the heat-insulating pipeline and the outer wall of the heat transfer pipeline;
the exhaust fan is fixedly connected to the outer wall of the material adding area;
one end of the exhaust pipe is connected with the exhaust end of the exhaust fan, and the other end of the exhaust pipe is communicated with the top of the air cavity;
one end of the blast pipe is sealed, the other end of the blast pipe is communicated with the lower part of the air cavity, branch pipes are communicated on the blast pipe, and one ends of the branch pipes, far away from the blast pipe, are communicated with combustion-supporting air pipes of corresponding combustion-supporting fans.
2. The residual heat utilizing device of a gas heating furnace according to claim 1, wherein the heat transfer pipe is made of a heat conductive material resistant to high temperature, and the heat insulation pipe is made of a heat insulation material resistant to high temperature.
3. The residual heat utilizing device of a gas heating furnace according to claim 1, wherein the air chamber has a spiral shape.
4. The residual heat utilizing device of the gas heating furnace as claimed in claim 1, wherein the surfaces of the blast pipe and the branch pipe are wrapped with heat insulation cotton.
5. The residual heat utilizing device of a gas heating furnace according to claim 1, wherein the heat insulating pipe is fixedly connected with the outer wall of the heating furnace body through a reinforcing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444335.7U CN211011463U (en) | 2019-09-02 | 2019-09-02 | Residual heat utilization device of gas heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444335.7U CN211011463U (en) | 2019-09-02 | 2019-09-02 | Residual heat utilization device of gas heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211011463U true CN211011463U (en) | 2020-07-14 |
Family
ID=71469545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921444335.7U Active CN211011463U (en) | 2019-09-02 | 2019-09-02 | Residual heat utilization device of gas heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211011463U (en) |
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2019
- 2019-09-02 CN CN201921444335.7U patent/CN211011463U/en active Active
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