CN220039140U - Waste gas waste heat utilization device of heat treatment furnace - Google Patents
Waste gas waste heat utilization device of heat treatment furnace Download PDFInfo
- Publication number
- CN220039140U CN220039140U CN202321587649.9U CN202321587649U CN220039140U CN 220039140 U CN220039140 U CN 220039140U CN 202321587649 U CN202321587649 U CN 202321587649U CN 220039140 U CN220039140 U CN 220039140U
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- China
- Prior art keywords
- heating box
- treatment furnace
- pipe
- waste gas
- water tank
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 100
- 239000002912 waste gas Substances 0.000 title claims abstract description 56
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 210000003437 trachea Anatomy 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material 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
Abstract
The utility model discloses an exhaust gas waste heat utilization device of a heat treatment furnace, which comprises a treatment furnace and a water tank, wherein an exhaust gas conversion box is arranged between the water tank and the heat treatment furnace, a first heating box and a second heating box are arranged in the water tank, a communication air pipe is fixedly connected between the first heating box and the second heating box, an air inlet connecting pipe is embedded and arranged on the upper surface of the first heating box, an exhaust pipe is embedded and arranged on the upper surface of the second heating box, and an exhaust gas pipe is embedded and arranged on the upper surface of the treatment furnace. According to the utility model, the first heating box and the second heating box are arranged in the water tank, so that waste gas generated by the treatment furnace can be input into the first heating box and the second heating box, and the arc-shaped structures of the first heating box and the second heating box are utilized, so that the contact area between the heating box and water is effectively enlarged, the water in the water tank is fully heated by heat generated by the waste gas, and the efficiency of recycling the waste gas heat of the treatment furnace is improved.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas waste heat utilization device of a heat treatment furnace.
Background
Heat treatment is one of the important processes in machine fabrication, and generally does not change the shape and overall chemical composition of the workpiece, but rather imparts or improves the performance of the workpiece by changing the microstructure within the workpiece, or changing the chemical composition of the surface of the workpiece. In the heat treatment process, a heat treatment furnace is required. The heat treatment furnace may be classified into a quenching furnace, a tempering furnace, an annealing furnace, and the like according to the purpose.
The utility model document with the patent application number of CN202120409857.4 discloses an exhaust gas waste heat utilization device of a gas combustion heat treatment furnace, which comprises a spiral pipe, a water storage tank, a first water inlet pipe and a first water outlet pipe, wherein the first water inlet pipe and the first water outlet pipe are connected to the two ends of the spiral pipe, the spiral pipe is arranged above a smoke outlet of the gas combustion heat treatment furnace, and the other end of the first water outlet pipe is connected with the water storage tank. The waste gas waste heat utilization device can be applied to various heat treatment equipment such as a heat treatment multipurpose furnace adopting gas combustion, a pit furnace and the like, replaces electric heating to manufacture hot water, realizes the reutilization of waste energy, saves electric energy and saves production cost.
The waste gas waste heat utilization device that proposes among the above-mentioned application document, in actual use, because the spiral pipe parcel of device is in the outside of flue gas outlet pipe, the inside water that flows through and heat the spiral pipe inside of the gaseous play tobacco pipe of reuse, this mode does not heat the gaseous heat transfer time with water less, leads to thermal conversion inefficiency, and the spiral pipe is too exposed, influences the heating and the heat preservation effect to water. Therefore, we design a waste gas waste heat utilization device of a heat treatment furnace.
Disclosure of Invention
The utility model aims to provide an exhaust gas waste heat utilization device of a heat treatment furnace, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an exhaust waste heat utilization device of heat treatment furnace, includes treatment furnace and water tank, be provided with the waste gas conversion box between water tank and the heat treatment furnace, the inside of water tank is provided with first heating box and second heating box, fixedly connected with intercommunication trachea between first heating box and the second heating box, the upper surface of first heating box inlays and establishes the installation and admit air the connecting pipe, the upper surface of second heating box inlays and establishes the installation and have the blast pipe, the upper surface of treatment furnace inlays and establishes the outer calandria of installation waste gas, the one end that the treatment furnace was kept away from to the waste gas is outer to the calandria of waste gas extends to the inside of waste gas conversion box, the water conservancy diversion trachea is installed on the right side of waste gas conversion box, and the one end that the water conservancy diversion trachea kept away from the waste gas conversion box is with admit air the input fixed connection of connecting pipe.
Preferably, the first heating box and the second heating box are of arc semicircular structures, and the first heating box and the second heating box are symmetrically arranged in the water tank.
Preferably, an air filter screen is arranged on the inner wall of the exhaust gas conversion box, a shunt pipe is arranged on the front face of the exhaust gas conversion box in an embedded mode, and a shunt valve is arranged on the surface of the shunt pipe.
Preferably, the surfaces of the exhaust gas exhaust pipe and the diversion air pipe are wrapped with heat preservation sleeves.
Preferably, the side surface of the water tank is fixedly provided with a water inlet pipe, the side surface of the water tank is embedded with a water outlet pipe, and the surfaces of the water inlet pipe and the water outlet pipe are provided with switch valves.
Preferably, a top exhaust port of the exhaust pipe extends to the outside of the water tank, and a surface of the exhaust pipe is mounted with an exhaust valve.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the first heating box and the second heating box are arranged in the water tank, so that waste gas generated by the treatment furnace can be input into the first heating box and the second heating box, and the arc-shaped structures of the first heating box and the second heating box are utilized, so that the contact area between the heating box and water is effectively enlarged, the water in the water tank is fully heated by heat generated by the waste gas, and the efficiency of recycling the waste gas heat of the treatment furnace is improved.
2. According to the utility model, the waste gas conversion box is arranged between the heat treatment furnace and the water tank, so that the waste gas can be filtered by utilizing air filtration in the waste gas conversion box, and the shunt pipe on the surface of the waste gas conversion box can be opened to shunt and discharge the waste gas, so that the waste gas can be conveniently utilized and treated at other positions by workers.
Drawings
FIG. 1 is a schematic view of the overall external structure of an exhaust gas waste heat utilization device of a heat treatment furnace according to the present utility model;
FIG. 2 is a schematic view of a partial front cross-section of an exhaust gas waste heat utilization device of a heat treatment furnace;
FIG. 3 is a schematic side sectional view of an exhaust gas converting box of an exhaust gas residual heat utilizing device of a heat treatment furnace according to the present utility model;
fig. 4 is a schematic diagram showing the internal structure of a water tank of an exhaust gas waste heat utilization device of a heat treatment furnace according to the present utility model.
In the figure: 1. a treatment furnace; 2. a water tank; 3. an exhaust gas conversion box; 4. a first heating cartridge; 5. a second heating cartridge; 6. a communicating air pipe; 7. an air inlet connecting pipe; 8. an exhaust pipe; 9. an exhaust gas discharge pipe; 10. a flow guiding air pipe; 11. an air filter screen; 12. a shunt; 13. a diverter valve; 14. a thermal insulation sleeve; 15. a water inlet pipe; 16. a drain pipe; 17. a switch valve; 18. and (5) exhausting the valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 4, an exhaust gas waste heat utilization apparatus of a heat treatment furnace includes a treatment furnace 1 and a water tank 2, an exhaust gas conversion box 3 is provided between the water tank 2 and the heat treatment furnace 1, and a first heating box 4 and a second heating box 5 are provided inside the water tank 2.
The first heating box 4 and the second heating box 5 are of arc semicircular structures, the first heating box 4 and the second heating box 5 are symmetrically arranged inside the water tank 2, and the first heating box 4 and the second heating box 5 which are arc-shaped and symmetrical are arranged to fully and uniformly heat the water tank.
An air filter screen 11 is arranged on the inner wall of the exhaust gas conversion box 3, a shunt pipe 12 is embedded and arranged on the front face of the exhaust gas conversion box 3, and a shunt valve 13 is arranged on the surface of the shunt pipe 12.
It is worth noting that, through being provided with waste gas conversion box 3 between heat treatment furnace and water tank 2, can utilize the air filtration of 3 in the waste gas conversion box to filter waste gas, and can open the shunt tubes on waste gas conversion box 3 surface and shunt and discharge waste gas, make things convenient for the staff to carry out the utilization processing of other positions to waste gas.
Fixedly connected with intercommunication trachea 6 between first heating box 4 and the second heating box 5, the upper surface of first heating box 4 inlays and establishes and install inlet connection pipe 7, and the upper surface of second heating box 5 inlays and establishes and install blast pipe 8, and the top exhaust port of blast pipe 8 extends to the outside of water tank 2, and the surface mounting of blast pipe 8 has discharge valve 18.
By connecting and fixing the exhaust pipe 8 with external exhaust gas discharging equipment, the heated exhaust gas can be subjected to subsequent treatment.
It is worth noting that, through being provided with first heating box 4 and second heating box 5 in the inside of water tank 2, can be with the waste gas input that treatment furnace 1 produced first heating box 4 and second heating box 5 inside, and utilize the arc structure of first heating box 4 and second heating box 5, effectively enlarged the area of contact of heating box and water, make the heat that waste gas produced fully heat the water in the water tank 2 to be favorable to improving the efficiency to heat treatment furnace waste gas heat recovery and utilization.
The upper surface of the treatment furnace 1 is embedded with an exhaust gas exhaust pipe 9, the surfaces of the exhaust gas exhaust pipe 9 and a flow guide air pipe 10 are both wrapped with a heat preservation sleeve 14, and the heat preservation sleeve 14 can play a heat preservation effect on a gas pipeline, so that heat loss is reduced.
The exhaust gas is discharged the pipe 9 and is kept away from the inside that the one end of treating stove 1 extended to waste gas conversion box 3, and water conservancy diversion trachea 10 is installed on the right side of waste gas conversion box 3, and the one end that water conservancy diversion trachea 10 kept away from waste gas conversion box 3 is fixed connection with the input of inlet connection pipe 7.
The side of the water tank 2 is fixedly provided with a water inlet pipe 15, the side of the water tank 2 is embedded with a water outlet pipe 16, and the surfaces of the water inlet pipe 15 and the water outlet pipe 16 are provided with a switch valve 17.
Working principle: when the water tank 2 is used, firstly, waste gas generated by combustion in the treatment furnace is input into the waste gas conversion box 3 by utilizing the waste gas discharge pipe 9, the waste gas is filtered by utilizing the air filter screen 11, then, the waste gas in the waste gas conversion box 3 is input into the air inlet connecting pipe 7 by utilizing the air guide pipe 10, the waste gas is input into the first heating box 4 in the water tank 2 by utilizing the air inlet connecting pipe 7, the waste gas enters the second heating box 5 through the communication air pipe 6 at the bottom of the first heating box 4, and finally, the waste gas is output to the outside of the water tank 2 from the exhaust pipe 8 at the top of the second heating box 5, so that the water in the water tank 2 is efficiently heated by utilizing the two heating boxes.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a waste gas waste heat utilization device of heat treatment furnace, includes treatment furnace (1) and water tank (2), its characterized in that: be provided with waste gas conversion box (3) between water tank (2) and heat treatment furnace (1), the inside of water tank (2) is provided with first heating box (4) and second heating box (5), fixedly connected with intercommunication trachea (6) between first heating box (4) and second heating box (5), the upper surface of first heating box (4) inlays and establishes and install inlet connection pipe (7), the upper surface of second heating box (5) inlays and establishes and install blast pipe (8), the upper surface of treatment furnace (1) inlays and establishes and install waste gas outer calandria (9), the one end that treatment furnace (1) was kept away from to waste gas outer calandria (9) extends to the inside of waste gas conversion box (3), guide trachea (10) are installed on the right side of waste gas conversion box (3), and one end that waste gas conversion box (3) were kept away from to guide trachea (10) is fixed connection with the input of inlet connection pipe (7).
2. The exhaust gas waste heat utilization device of a heat treatment furnace according to claim 1, wherein: the first heating box (4) and the second heating box (5) are of arc-shaped semicircular structures, and the first heating box (4) and the second heating box (5) are symmetrically arranged inside the water tank (2).
3. The exhaust gas waste heat utilization device of a heat treatment furnace according to claim 1, wherein: an air filter screen (11) is arranged on the inner wall of the waste gas conversion box (3), a shunt pipe (12) is embedded and arranged on the front face of the waste gas conversion box (3), and a shunt valve (13) is arranged on the surface of the shunt pipe (12).
4. The exhaust gas waste heat utilization device of a heat treatment furnace according to claim 1, wherein: the surfaces of the exhaust gas exhaust pipe (9) and the diversion air pipe (10) are wrapped with heat preservation sleeves (14).
5. The exhaust gas waste heat utilization device of a heat treatment furnace according to claim 1, wherein: the side of the water tank (2) is fixedly provided with a water inlet pipe (15), the side of the water tank (2) is embedded with a water outlet pipe (16), and the surfaces of the water inlet pipe (15) and the water outlet pipe (16) are provided with a switch valve (17).
6. The exhaust gas waste heat utilization device of a heat treatment furnace according to claim 1, wherein: the top exhaust port of the exhaust pipe (8) extends to the outside of the water tank (2), and an exhaust valve (18) is arranged on the surface of the exhaust pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321587649.9U CN220039140U (en) | 2023-06-20 | 2023-06-20 | Waste gas waste heat utilization device of heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321587649.9U CN220039140U (en) | 2023-06-20 | 2023-06-20 | Waste gas waste heat utilization device of heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039140U true CN220039140U (en) | 2023-11-17 |
Family
ID=88733009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321587649.9U Active CN220039140U (en) | 2023-06-20 | 2023-06-20 | Waste gas waste heat utilization device of heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039140U (en) |
-
2023
- 2023-06-20 CN CN202321587649.9U patent/CN220039140U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |