CN211872051U - Heat treatment furnace for metal processing - Google Patents
Heat treatment furnace for metal processing Download PDFInfo
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- CN211872051U CN211872051U CN202020375043.9U CN202020375043U CN211872051U CN 211872051 U CN211872051 U CN 211872051U CN 202020375043 U CN202020375043 U CN 202020375043U CN 211872051 U CN211872051 U CN 211872051U
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- furnace
- heat treatment
- furnace body
- heater
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Abstract
The utility model discloses a heat treatment furnace for metal working belongs to metal heat treatment device, including furnace body, furnace gate and exhaust pipe, still include heater, fan, the air intake connection of exhaust pipe and heater, be equipped with the filter between exhaust pipe and the heater, the heater air outlet passes through the pipeline with the air intake of fan and links to each other, hot-blast import has been seted up to the furnace body lower part, and the outlet flue has been seted up on furnace body upper portion, the outlet flue is connected with the exhaust pipe, the furnace body is equipped with the twice furnace gate, and the opposition of twice furnace gate sets up the side at the furnace body, solves the current harmful gas in the heat treatment furnace that is used for metal working and directly discharges the polluted environment to and a large amount of heat energy are extravagant, are unfavorable.
Description
Technical Field
The utility model belongs to the technical field of metal heat treatment device, concretely relates to heat treatment furnace for metal processing.
Background
Heat treatment is one of the important processes in mechanical manufacturing, and generally, the heat treatment does not change the shape and the overall chemical composition of a workpiece, but endows or improves the service performance of the workpiece by changing the microstructure inside the workpiece or changing the chemical composition on the surface of the workpiece.
The conventional heat treatment furnace is operated due to high internal temperature and pressure, and when the door is opened, harmful substances including harmful gas and impurities are often washed out, and thus, the interior environment of the workshop needs to be kept ventilated. However, the harmful substances are discharged into the air, even if the workshop is ventilated, the harmful substances are still a place for gathering the harmful substances, the body health of production workers is affected to a certain degree, the air is polluted after the harmful substances are discharged into the atmosphere, the cooling speed cannot meet the due process requirements, waiting is needed, the working efficiency is reduced, a large amount of heat energy is wasted, and the environment friendliness is not facilitated.
The national intellectual property office discloses an application number "CN 201920599831.3" in 2020, 2, 21, the name of which is "a heat treatment furnace", provides a heat treatment furnace, which can filter and purify high-temperature and high-pressure harmful gas in a furnace through a flue gas filtering device, and is respectively provided with a cooling area and a natural cooling area on two sides of the furnace, and the cooling area is provided with a plurality of coolers to realize quick cooling and adapt to various process requirements.
The heat treatment furnace can reduce the emission of a part of harmful gas generated in metal processing, but still has the problem of heat energy waste of the heat treatment furnace, and in order to reduce energy consumption and effectively reduce production cost, the heat treatment furnace which can reduce the emission of the harmful gas and recycle waste heat so as to reduce heat energy waste is needed.
Disclosure of Invention
An object of the utility model is to provide a heat treatment furnace for metal processing can utilize heat treatment furnace's waste heat, can reach the problem that reduces harmful gas emission simultaneously again.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a heat treatment furnace for metalworking, includes furnace body, furnace gate and exhaust pipe, still includes heater, fan, the air intake connection of exhaust pipe and heater, be equipped with the filter between exhaust pipe and the heater, the heater air outlet passes through the pipeline with the air intake of fan and links to each other, hot-blast import has been seted up to the furnace body lower part, and the outlet flue has been seted up on furnace body upper portion, the outlet flue is connected with the exhaust pipe, the furnace body is equipped with the twice furnace gate, and the opposition of twice furnace gate sets up the side at the furnace body.
The smoke exhaust pipeline comprises at least two smoke exhaust pipelines.
And the smoke exhaust pipeline and other pipelines are coated with heat insulation materials.
The number of the filters is the same as that of the smoke exhaust pipelines, and the smoke pipeline explosion-proof electric gate valve is installed at the joint of the filters and the smoke exhaust pipelines.
The filter can be an L-shaped or U-shaped pipeline filter.
And a smoke hood is arranged between the smoke exhaust pipeline and the smoke outlet of the furnace body.
The working principle of the heat treater is as follows: the metal workpiece to be processed is respectively input and output from two doors arranged on the furnace body, the input and output directions can be exchanged according to the processing requirements, hot air is input from a hot air inlet at the lower end of the furnace body, after the metal workpiece in the furnace body is subjected to heat treatment, smoke is discharged from a smoke outlet at the upper part of the furnace body and enters a smoke exhaust pipeline, most harmful substances are filtered by a filter, then the smoke exhaust pipeline enters a heater and is heated to the required temperature, and the fan is connected with a motor through a fan, and the motor drives the fan to blow air into the furnace body of the heat treatment furnace for the heat treatment of the metal workpiece.
The beneficial effects of this technical scheme are as follows:
one, in the utility model discloses, this heat treatment furnace utilizes the fan to blow from the lower part, send into the exhaust pipe with the flue gas, the rethread filter filters behind most harmful gas, will not yet dispel the heat complete hot-blast heater that accesss to, loopback to the furnace body again in, a thermal treatment to the metal machined part, so not only reduce the emission to the outside of harmful gas, also used hot-blast that has the waste heat as far as possible, in metal working process, the thermal treatment stage is compared with the heating stage, general temperature is lower, but need the controlled temperature scope, in the industry for guaranteeing at reasonable temperature range, the majority all adopts the electric energy to heat, the waste heat utilization of heat treatment furnace is not considered like this, can increase very high cost, this heat treatment furnace simple structure, easy maintenance, can effectively solve these two big problems again, and can be popularized and used.
Two, in the utility model discloses in, the exhaust pipe includes two at least, and for reduce cost, the heat treatment furnace generally all needs incessant work, and for guaranteeing continuous operation, set up two exhaust pipe and be when one of them exhaust pipe trouble, another can also continue to use, guarantees continuous operation.
Thirdly, the utility model discloses in, all scribble insulation material on exhaust pipe and other pipelines, can reduce the heat and run off.
Four, the utility model discloses in, the explosion-proof electric gate valve of flue gas pipeline is installed with the exhaust pipe junction to the filter, is convenient for overhaul equipment under the state of not shutting down, changes filter etc. and uses the explosion-proof electric gate valve of flue gas pipeline safer.
Fifthly, the utility model discloses in, state that the filter can select for use "L" or "U" type pipeline filter, compare with the straight tube filter, the filter effect is better.
Sixth, the utility model discloses in, be equipped with the flue gas cover between the outlet flue of exhaust pipe and furnace body, can guarantee that the outlet flue of exhaust pipe and furnace body is direct seamless, reduce the flue gas outflow, contaminated air to and reduce the harm healthy to the staff.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a furnace body; 2. a smoke exhaust duct; 3. a heater; 4. a fan; 5. a filter; 6. a hot air inlet; 7. a smoke outlet; 8. a furnace door; 9. an explosion-proof electric gate valve of a flue gas pipeline; 10. a smoke cover.
Detailed Description
The technical solution for achieving the objectives of the present invention will be further described by using several specific examples, and it should be noted that the technical solution claimed in the present invention includes, but is not limited to, the following examples.
Example 1
Referring to fig. 1, the embodiment is the most basic embodiment, and a heat treatment furnace for metal processing belongs to a metal heat treatment device, and includes a furnace body, a furnace door, a smoke exhaust pipeline, a heater, a fan, the smoke exhaust pipeline is connected with an air inlet of the heater, a filter is arranged between the smoke exhaust pipeline and the heater, an air outlet of the heater is connected with the air inlet of the fan through a pipeline, a hot air inlet is arranged at the lower part of the furnace body, a smoke outlet is arranged at the upper part of the furnace body, the smoke outlet is connected with the smoke exhaust pipeline, the furnace body is provided with two furnace doors, and the two furnace doors are oppositely arranged at the side of.
In the embodiment, the furnace doors are arranged at the lower part, so that metal workpieces can be conveniently conveyed, the furnace doors are oppositely arranged at two sides of the furnace body, one is an inlet door for inputting the metal workpieces, the other is an outlet door, and the two furnace doors can be interchanged according to the processing requirements.
Example 2
The embodiment is a better implementation mode, refers to fig. 1, and a heat treatment furnace for metal processing belongs to metal heat treatment device, including furnace body, furnace gate and exhaust pipe, still includes heater, fan, exhaust pipe and the air intake connection of heater, be equipped with the filter between exhaust pipe and the heater, the heater air outlet passes through the pipeline with the air intake of fan and links to each other, hot-blast import has been seted up to the furnace body lower part, and the smoke outlet has been seted up on furnace body upper portion, the smoke outlet is connected with exhaust pipe, the furnace body is equipped with the twice furnace gate, and the opposition of twice furnace gate sets up the side at the furnace body.
Furthermore, the number of the smoke exhaust pipelines is three.
Furthermore, the smoke exhaust pipeline and other pipelines are coated with heat insulation materials.
Furthermore, the number of the filters is the same as that of the smoke exhaust pipeline, the smoke exhaust pipeline explosion-proof electric gate valve is installed at the joint of the filters and the smoke exhaust pipeline, the use safety of the heat treatment furnace can be guaranteed, the filters are convenient to replace, and the heat treatment furnace is maintained without stopping production.
Further, the filter is an L-shaped pipeline filter.
Furthermore, a smoke hood is arranged between the smoke exhaust pipeline and the smoke outlet of the furnace body.
Example 3
This example is compared with example 2, except that the filter is a "U" type pipe filter.
Example 4
Compared with the embodiment 2, the embodiment has the difference that two smoke exhaust pipelines are arranged.
Claims (6)
1. The utility model provides a heat treatment furnace for metalworking, includes furnace body (1), furnace gate (8) and exhaust flue (2), its characterized in that: still include heater (3), fan (4), the air intake connection of exhaust pipe (2) and heater (3), be equipped with filter (5) between exhaust pipe (2) and heater (3), the air intake of heater (3) air outlet and fan (4) passes through the pipeline and links to each other, hot-blast import (6) have been seted up to furnace body (1) lower part, and outlet (7) have been seted up on furnace body (1) upper portion, outlet (7) are connected with exhaust pipe (2), furnace body (1) is equipped with twice furnace gate (8), and twice furnace gate (8) opposition sets up the side at furnace body (1).
2. A heat treatment furnace for metal working according to claim 1, characterized in that: the smoke exhaust pipeline (2) comprises at least two smoke exhaust pipelines.
3. A heat treatment furnace for metal working according to claim 1, characterized in that: and the smoke exhaust pipeline (2) and other pipelines are coated with heat insulation materials.
4. A heat treatment furnace for metal working according to claim 2, characterized in that: the number of the filters (5) is the same as that of the smoke exhaust pipeline (2), and a smoke pipeline explosion-proof electric gate valve (9) is installed at the joint of the filters (5) and the smoke exhaust pipeline (2).
5. A heat treatment furnace for metal working according to claim 4, characterized in that: the filter (5) can be an L-shaped or U-shaped pipeline filter (5).
6. A heat treatment furnace for metal working according to claim 1, characterized in that: a smoke hood (10) is arranged between the smoke exhaust pipeline (2) and the smoke outlet (7) of the furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375043.9U CN211872051U (en) | 2020-03-23 | 2020-03-23 | Heat treatment furnace for metal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375043.9U CN211872051U (en) | 2020-03-23 | 2020-03-23 | Heat treatment furnace for metal processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211872051U true CN211872051U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020375043.9U Expired - Fee Related CN211872051U (en) | 2020-03-23 | 2020-03-23 | Heat treatment furnace for metal processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211872051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446614A (en) * | 2021-06-25 | 2021-09-28 | 宁波久丰热电有限公司 | Flue gas waste heat recovery device |
-
2020
- 2020-03-23 CN CN202020375043.9U patent/CN211872051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446614A (en) * | 2021-06-25 | 2021-09-28 | 宁波久丰热电有限公司 | Flue gas waste heat recovery device |
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| Date | Code | Title | Description |
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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: 20201106 Termination date: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |