CN204151372U - Quenching furnance - Google Patents
Quenching furnance Download PDFInfo
- Publication number
- CN204151372U CN204151372U CN201420575883.4U CN201420575883U CN204151372U CN 204151372 U CN204151372 U CN 204151372U CN 201420575883 U CN201420575883 U CN 201420575883U CN 204151372 U CN204151372 U CN 204151372U
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- burner hearth
- heater
- heating wire
- electrical heating
- nitrogen
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Abstract
The utility model discloses quenching furnance, belong to quenching device, its structure comprises body of heater, burner hearth and support, the middle part of described burner hearth is through body of heater, and be arranged on the middle part of body of heater, the front and rear of burner hearth is respectively arranged with fire door, fiery curtain device is respectively arranged with near the burner hearth end at fire door place, fire curtain device is connected with burner hearth cavity, burner hearth arranged outside on rear side of body of heater has cooling jacket, middle part and the rear end of burner hearth are respectively arranged with the nitrogen and hydrogen mixture inlet pipe be connected with burner hearth cavity, upper furnace on front side of body of heater is provided with the nitrogen and hydrogen mixture outlet pipe be connected with burner hearth cavity, thermopair is provided with in the middle part of body of heater, be provided with thermal insulation layer and electrical heating wire chamber between body of heater and burner hearth, electrical heating wire is provided with electrical heating wire in chamber.The utility model has after the part of aging steel material sinters, and first carries out quench treatment by quenching furnance, and the metallographic structure of aging steel material is changed, and improves the toughness of part, improves the features such as the quality of product.
Description
Technical field
The utility model relates to a kind of quenching device, especially a kind of quenching furnance of heat-treating the part of aging steel material.
Background technology
The part of the aging steel material used now, when making, normally directly carries out ageing treatment before sintering, and does not carry out solution treatment, makes toughness of material inadequate, reduces the quality of product.
At present, the solution also do not had.
Utility model content
Technical assignment of the present utility model provides a kind of quenching furnance for above-mentioned deficiency of the prior art, this quenching furnance has after the part of aging steel material sinters, first carry out quench treatment by quenching furnance, the metallographic structure of aging steel material is changed, improve the toughness of part, improve the feature of the quality of product.
The utility model solves the technical scheme that its technical problem adopts: it comprises body of heater, burner hearth and support, described body of heater is arranged on the bottom of support, the middle part of described burner hearth is through body of heater, and be arranged on the middle part of body of heater, the front and rear of described burner hearth is respectively arranged with fire door, fiery curtain device is respectively arranged with near the burner hearth end at fire door place, described fiery curtain device is connected with burner hearth cavity, burner hearth arranged outside on rear side of body of heater has cooling jacket, the top of described cooling jacket is provided with water-in, bottom is provided with water outlet, middle part and the rear end of described burner hearth are respectively arranged with the nitrogen and hydrogen mixture inlet pipe be connected with burner hearth cavity, upper furnace on front side of body of heater is provided with the nitrogen and hydrogen mixture outlet pipe be connected with burner hearth cavity, described nitrogen and hydrogen mixture outlet pipe is provided with nitrogen and hydrogen mixture outlet pipe valve, thermopair is provided with in the middle part of described body of heater, described thermopair contacts with burner hearth, be provided with thermal insulation layer and electrical heating wire chamber between described body of heater and burner hearth, be provided with electrical heating wire chamber outside the burner hearth in described body of heater, electrical heating wire is provided with electrical heating wire in chamber, is provided with thermal insulation layer between described body of heater and electrical heating wire chamber, the top of described body of heater is provided with the nitrogen be connected with electrical heating wire chamber and passes into mouth.
Described thermal insulation layer is that aluminum oxide lagging material is made.
Described fiery curtain device comprises inlet pipe and inlet pipe valve, described inlet pipe comprises transverse pipe and longitudinal pipe, described inlet pipe valve is arranged on longitudinal pipe, described transverse pipe is arranged on the bottom of burner hearth, and the top of described transverse pipe is respectively arranged with between burner hearth bottom surface the aperture be connected.
Quenching furnance of the present utility model compared to the prior art, there is following outstanding beneficial effect: after the part of aging steel material sinters, first carry out quench treatment by quenching furnance, the metallographic structure of aging steel material is changed, improve the toughness of part, improve the quality of product; When quenching, pass through nitrogen hydrogen mixeding gas by burner hearth, the part of protection aging steel material is not oxidized; Body of heater is provided with thermopair, the Heating temperature in burner hearth can be detected at any time; Be provided with aluminum oxide lagging material between body of heater and burner hearth, can be incubated burner hearth, reduce burner hearth exothermic temperature; Electrical heating wire passes into nitrogen in chamber, and the electrical heating wire in protection electrical heating wire chamber is not oxidized, and improves the work-ing life of electrical heating wire, reduces costs; Burner hearth two ends are respectively arranged with fiery curtain device; transmission need quench part time; nitrogen hydrogen mixeding gas is passed in the inlet pipe of fiery curtain device; nitrogen hydrogen mixeding gas outwards sprays along the aperture between fiery curtain device and burner hearth; form one deck protection curtain; avoid air to enter in burner hearth, protect the features such as the part carried out in quench treatment.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of quenching furnance;
Accompanying drawing 2 is the body of heater of quenching furnance and the A-A view of burner hearth;
Accompanying drawing 3 is that part sectioned view is looked on the amplification left side between burner hearth and fiery curtain device;
Description of reference numerals: 1, body of heater, 2, burner hearth, 3, support, 4, fire door, 5, fiery curtain device, 6, cooling jacket, 7, water-in, 8, water outlet, 9, nitrogen and hydrogen mixture inlet pipe, 10, nitrogen and hydrogen mixture outlet pipe, 11, nitrogen and hydrogen mixture outlet pipe valve, 12, thermopair, 13, thermal insulation layer, 14, electrical heating wire chamber, 15, electrical heating wire, 16, inlet pipe valve, 17, transverse pipe, 18, longitudinal pipe, 19, aperture, 20, nitrogen passes into mouth.
Embodiment
With reference to Figure of description 1 to accompanying drawing 3, quenching furnance of the present utility model is described in detail below.
Quenching furnance of the present utility model, its structure comprises body of heater 1, burner hearth 2 and support 3, described body of heater 1 is arranged on the bottom of support 3, the middle part of described burner hearth 2 is through body of heater 1, and be arranged on the middle part of body of heater 1, the front and rear of described burner hearth 2 is respectively arranged with fire door 4, fiery curtain device 5 is respectively arranged with near burner hearth 2 end at fire door 4 place, described fiery curtain device 5 and burner hearth 2 intracavity inter-connection, burner hearth 2 arranged outside on rear side of body of heater 1 has cooling jacket 6, the top of described cooling jacket 6 is provided with water-in 7, bottom is provided with water outlet 8, the middle part of described burner hearth 2 and rear end are respectively arranged with the nitrogen and hydrogen mixture inlet pipe 9 with burner hearth 2 intracavity inter-connection, burner hearth 2 top on front side of body of heater 1 is provided with the nitrogen and hydrogen mixture outlet pipe 10 be connected with burner hearth cavity, described nitrogen and hydrogen mixture outlet pipe 10 is provided with nitrogen and hydrogen mixture outlet pipe valve 11, thermopair 12 is provided with in the middle part of described body of heater 1, described thermopair 12 contacts with burner hearth 2, thermal insulation layer 13 and electrical heating wire chamber 14 is provided with between described body of heater 1 and burner hearth 2, electrical heating wire chamber 14 is provided with outside burner hearth 2 in described body of heater 1, be provided with electrical heating wire 15 in electrical heating wire chamber 14, between described body of heater 1 and electrical heating wire chamber 14, be provided with thermal insulation layer 13, the top of described body of heater 1 is provided with the nitrogen be connected with electrical heating wire chamber 14 and passes into mouth 20.
Described thermal insulation layer 13 is made for aluminum oxide lagging material.Can be incubated burner hearth 2, reduce burner hearth 2 exothermic temperature.
Described fiery curtain device 5 comprises inlet pipe and inlet pipe valve 16, described inlet pipe comprises transverse pipe 17 and longitudinal pipe 18, described inlet pipe valve 16 is arranged on longitudinal pipe 18, described transverse pipe 17 is arranged on the bottom of burner hearth 2, and the top of described transverse pipe 17 is respectively arranged with between burner hearth 2 bottom surface the aperture 19 be connected.Transmission need quench part time; in the inlet pipe of fiery curtain device 5, pass into nitrogen hydrogen mixeding gas, nitrogen hydrogen mixeding gas outwards sprays along the aperture 19 between fiery curtain device 5 and burner hearth 2, forms one deck protection curtain; avoid air to enter in burner hearth 2, protect the part carried out in quench treatment.
When carrying out quench treatment to the part of aging steel material, pass into nitrogen by electrical heating wire chamber 14, the electrical heating wire 15 in protection electrical heating wire chamber 14 is not oxidized, and improves the work-ing life of electrical heating wire 15, reduce costs, then make electrical heating wire 15 pairs of burner hearths 2 heat, nitrogen hydrogen mixeding gas is passed into by nitrogen and hydrogen mixture inlet pipe 9 by burner hearth 2, the part of protection aging steel material is not oxidized, when the nitrogen hydrogen mixeding gas passed in burner hearth 2 has been expired, unnecessary nitrogen and hydrogen mixture cognition has been discharged along nitrogen and hydrogen mixture outlet pipe 10, then lights, when the thermopair 12 on body of heater detects arrival Heating temperature in burner hearth 2, then the fiery curtain device 5 on front side of burner hearth 2 is opened, open the fire door 4 on front side of burner hearth 2 again, burner hearth in body of heater is positioned over along burner hearth 2 by needing the part of quench treatment, close the fire door 4 on front side of burner hearth, thus quench treatment is carried out to part, after quench treatment completes, again open the fire door 4 on front side of burner hearth 2, part in burner hearth 2 is pushed into backward in the burner hearth 2 on rear side of body of heater 1, now pass into cold water in cooling jacket 6, part in burner hearth 2 is promptly lowered the temperature, and then open fiery curtain device 5 on rear side of burner hearth, open fire door 4 again, part after having quenched is taken out.
Except the technical characteristic described in specification sheets, be the known technology of those skilled in the art.
Claims (3)
1. quenching furnance, it is characterized in that: comprise body of heater, burner hearth and support, described body of heater is arranged on the bottom of support, the middle part of described burner hearth is through body of heater, and be arranged on the middle part of body of heater, the front and rear of described burner hearth is respectively arranged with fire door, fiery curtain device is respectively arranged with near the burner hearth end at fire door place, described fiery curtain device is connected with burner hearth cavity, burner hearth arranged outside on rear side of body of heater has cooling jacket, the top of described cooling jacket is provided with water-in, bottom is provided with water outlet, middle part and the rear end of described burner hearth are respectively arranged with the nitrogen and hydrogen mixture inlet pipe be connected with burner hearth cavity, upper furnace on front side of body of heater is provided with the nitrogen and hydrogen mixture outlet pipe be connected with burner hearth cavity, described nitrogen and hydrogen mixture outlet pipe is provided with nitrogen and hydrogen mixture outlet pipe valve, thermopair is provided with in the middle part of described body of heater, described thermopair contacts with burner hearth, be provided with thermal insulation layer and electrical heating wire chamber between described body of heater and burner hearth, be provided with electrical heating wire chamber outside the burner hearth in described body of heater, electrical heating wire is provided with electrical heating wire in chamber, is provided with thermal insulation layer between described body of heater and electrical heating wire chamber, the top of described body of heater is provided with the nitrogen be connected with electrical heating wire chamber and passes into mouth.
2. quenching furnance according to claim 1, is characterized in that: described thermal insulation layer is that aluminum oxide lagging material is made.
3. quenching furnance according to claim 1, it is characterized in that: described fiery curtain device comprises inlet pipe and inlet pipe valve, described inlet pipe comprises transverse pipe and longitudinal pipe, described inlet pipe valve is arranged on longitudinal pipe, described transverse pipe is arranged on the bottom of burner hearth, and the top of described transverse pipe is respectively arranged with between burner hearth bottom surface the aperture be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575883.4U CN204151372U (en) | 2014-09-30 | 2014-09-30 | Quenching furnance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575883.4U CN204151372U (en) | 2014-09-30 | 2014-09-30 | Quenching furnance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204151372U true CN204151372U (en) | 2015-02-11 |
Family
ID=52509505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575883.4U Active CN204151372U (en) | 2014-09-30 | 2014-09-30 | Quenching furnance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204151372U (en) |
-
2014
- 2014-09-30 CN CN201420575883.4U patent/CN204151372U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |