CN209338605U - A kind of cooling system of tempering furnace - Google Patents
A kind of cooling system of tempering furnace Download PDFInfo
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- CN209338605U CN209338605U CN201822166152.5U CN201822166152U CN209338605U CN 209338605 U CN209338605 U CN 209338605U CN 201822166152 U CN201822166152 U CN 201822166152U CN 209338605 U CN209338605 U CN 209338605U
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- cooling
- cooler bin
- tracheae
- burner hearth
- tempering furnace
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Abstract
The utility model relates to the technical fields of tempering furnace, are related to a kind of cooling system of tempering furnace, including burner hearth, cooling tracheae is provided on the burner hearth, the cooling tracheae both ends are connected to the burner hearth, and the cooling tracheae both ends are provided with air valve, are provided with air pump on the cooling tracheae；It is provided with cooling device on the cooling tracheae, the cooling device includes the cooler bin being set on cooling tracheae, the cooling water pipe being arranged in cooler bin, is arranged on cooling water pipe and towards the spray head of cooling tracheae setting and the water circulation structure being arranged on cooler bin.The utility model have the effect that achieve the effect that after inert gas and cooling water carry out heat exchange it is cooling, inert gas after cooling will be passed through to burner hearth again, to constantly reduce the temperature in burner hearth, and inert gas can be constantly recycled, improve resource utilization.
Description
Technical field
The utility model relates to the technical fields of tempering furnace, more particularly, to a kind of cooling system of tempering furnace.
Background technique
Metal material is general after quenching seldom directly to be used, because quenched tissue is martensite and residual austenite
Body, and have internal stress generation, deformation and cracking are easy to produce under interior stress；In addition, tissue is unstable after quenching
, it can slowly decompose at room temperature, generate volume change and workpiece is caused to deform.Therefore, quenched part must carry out
Tempering could use.
The Chinese invention patent of Publication No. CN104313257A discloses a kind of improved tempering furnace, including tempering furnace,
Install a set of vaccum-pumping equipment and a set of inert gas plenum equipment on the tempering furnace additional, the inert gas plenum equipment includes
Inert gas compression bottle, pressure reducing valve, safety valve and charge valve；The safety valve, pressure reducing valve and charge valve are sequentially set to indifferent gas
On the gas outlet pipeline of body compression bottle.Improved tempering furnace can first vacuumize filling with inert gas again, keep away workpiece in tempering
Exempt to aoxidize.
Prior art among the above has the following deficiencies: after tempering, can put the inert gas in burner hearth
Fall, be re-filled with after new inert gas declines temperature in burner hearth, then carry out air-cooled after workpiece is come out of the stove, causes indifferent gas
Body waste, waste of resource.
Utility model content
The purpose of the utility model is to provide a kind of cooling systems of tempering furnace, after capable of being cooled down to inert gas,
Lead to again and be back in burner hearth, recycle inert gas, improves resource utilization.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of cooling of tempering furnace
System, including burner hearth are provided with cooling tracheae on the burner hearth, and the cooling tracheae both ends are connected to the burner hearth, and institute
It states cooling tracheae both ends and is provided with air valve, be provided with air pump on the cooling tracheae；Cooling is provided on the cooling tracheae
Device, the cooling device include the cooler bin being set on cooling tracheae, the cooling water pipe being arranged in cooler bin, setting exist
On cooling water pipe and towards the spray head of cooling tracheae setting and the water circulation structure being arranged on cooler bin.
By using above-mentioned technical proposal, after two air valves are opened, air pump is opened, thus by the higher indifferent gas of temperature
Body is extracted out from burner hearth, is passed through cooling tracheae, when gas is transported in one section in cooler bin, since cooling water pipe is held
Continuous to be constantly sprayed to cooling water on cooling tracheae by spray head, inert gas passes through the side wall and cooling water of cooling tracheae
Achieve the effect that after heat exchange cooling, water circulation structure constantly carries out to cooling water cooling so that cooling water energy is persistently to lazy
Property gas cooled down, inert gas after cooling will be passed through again to burner hearth, thus constantly reduce burner hearth in temperature
Degree, and inert gas can be constantly recycled, improve resource utilization.
The utility model is further arranged to: the cooling tracheae include one end be arranged on burner hearth escape pipe, one
The isocon for holding the muffler being arranged on burner hearth and more both ends to connect and be parallel to each other with escape pipe and muffler respectively,
The isocon is located in the cooler bin, and the air pump is arranged on the escape pipe.
By using above-mentioned technical proposal, inert gas is flowed into cooler bin by escape pipe, and gas will be flow to
In each isocon, when in cool water shower to isocon, the contact area that gas is exchanged with cooling water heat can be increased,
So as to take away more heats, cooling effect is improved.
The utility model is further arranged to: being provided with heat dissipation on the circumferential side wall of the isocon and along its circumferential direction
Piece.
By using above-mentioned technical proposal, heat can quickly be distributed to air by cooling fin, and be increased
Contact area between cooling water further increases cooling effect to improve isocon heat exchanger effectiveness.
The utility model is further arranged to: pressure relief device is provided on the cooler bin, the pressure relief device includes
The relief tube on cooler bin side wall and communicated therewith is set, the pressure release block that sliding is connected in relief tube, is arranged in relief tube
In and be located at the spring between pressure release block and cooling box outer wall and be provided on relief tube side wall and to be located at pressure release block separate
The pressure relief opening of cooler bin side.
By using above-mentioned technical proposal, when cooling water is when encountering hotter isocon, cooling water may vapour after being heated
Change, the air pressure in cooler bin is caused to increase, gas will overcome the active force of spring to drive pressure release block sliding in relief tube at this time
It moves, as the air pressure in cooler bin is continuously increased, after pressure release block is moved through at pressure relief opening, high pressure gas will be sprayed by pressure relief opening
Out, so that being able to maintain more stable air pressure in cooler bin.
The utility model is further arranged to: protective cover is arranged on the relief tube, on the side wall of the protective cover
Offer several gas ports.
The gas temperature sprayed from pressure relief opening is higher, may damage to operator.By using above-mentioned technology
Scheme, gas will be moved to first in protective cover, be then discharged by gas port from surrounding, reduce gas and ejection is concentrated to cause
A possibility that injury to personnel.
The utility model is further arranged to: the water circulation structure includes the water inlet that cooling water pipe one end is arranged in
The water pump that manage, is arranged on water inlet pipe, the return pipe that cooler bin bottom is set and two sides respectively with water inlet pipe and return pipe
Connection and the cyclic water tank being located at below cooler bin.
By using above-mentioned technical proposal, after cooling water cools down isocon, it will cooler bin bottom is dropped to, with
It is flow in cyclic water tank by return pipe afterwards, the cyclic water tank of standing enables to cooling water preferably to be cooled down, then cold
But water will be evacuated to again in cooling water pipe by water pump and be cooled down again.
The utility model is further arranged to: the cooler bin bottom is funnel-shaped.
By using above-mentioned technical proposal, what cooling water can be concentrated more is collected in cooler bin bottom, so that cooling
Water energy is enough to be more smoothly back in cooling water tank, the efficiency for collecting cooling water is improved, so that cooling device can be held
It is continuous that inert gas is cooled down.
The utility model is further arranged to: being provided with throttle valve on the water inlet pipe.
By using above-mentioned technical proposal, the stream for flowing to the cooling water in cooling water pipe can be adjusted by throttle valve
Amount, increasing the water being sprayed on isocon can be improved its cooling effect, and operator can be made by adjusting throttle valve
Spray head can play preferable cooling effect to isocon.
In conclusion the advantageous effects of the utility model are as follows:
1. the higher inert gas of temperature is extracted out from burner hearth, inert gas passes through side wall and the cooling of cooling tracheae
Water achieve the effect that after heat exchange cooling, and water circulation structure constantly carries out to cooling water cooling so that cooling water energy is persistently right
Inert gas is cooled down, and inert gas after cooling will be passed through to burner hearth again, to constantly reduce in burner hearth
Temperature, and inert gas can be constantly recycled, improve resource utilization；
2. gas will overcome the active force of spring that pressure release block is driven to let out as the air pressure in cooler bin constantly increases
It is slid in pressure pipe, as the air pressure in cooler bin is continuously increased, after pressure release block is moved through at pressure relief opening, high pressure gas will pass through
Pressure relief opening sprays, so that being able to maintain more stable air pressure in cooler bin.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial sectional view of cooler bin, for showing internal structure；
Fig. 3 is the partial enlargement diagram of part A in Fig. 2, for showing pressure relief device.
Appended drawing reference: 100, burner hearth；200, cooling tracheae；210, escape pipe；211, air pump；220, muffler；230, divide
Flow tube；231, cooling fin；240, air valve；300, cooling device；310, cooler bin；320, cooling water pipe；330, spray head；340,
Water circulation structure；341, water inlet pipe；342, water pump；343, return pipe；344, cyclic water tank；345, throttle valve；500, pressure release fills
It sets；510, relief tube；520, pressure release block；530, spring；540, pressure relief opening；550, protective cover；551, gas port.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of cooling system of tempering furnace is filled with inert gas in burner hearth 100 referring to Fig.1, Fig. 2, including burner hearth 100,
Inert gas in the present embodiment is nitrogen.Cooling tracheae 200 is provided on burner hearth 100, cooling tracheae 200 includes escape pipe
210, muffler 220 and isocon 230, one end of escape pipe 210 are mounted on the side wall of burner hearth 100, and on escape pipe 210
Air pump 211 is installed, one end of muffler 220 is mounted on the side wall of burner hearth 100, is pacified on escape pipe 210 and muffler 220
Equipped with air valve 240.Isocon 230 is provided with more, and is parallel to each other, and more isocons 230 are respectively provided in the same plane, point
Multiple cooling fins 231 are welded on the circumferential side wall of flow tube 230 and along its circumferential direction, while the both ends of isocon 230 respectively and go out
Tracheae 210 and muffler 220 connect.
Referring to Fig. 2, cooling device 300 is provided on cooling tracheae 200, cooling device 300 includes cooler bin 310, cooling
Water pipe 320, spray head 330 and the water circulation structure 340 being arranged on cooler bin 310.Cooler bin 310 is set in isocon
On 230, cooling water pipe 320 is mounted in cooler bin 310 and is located at 230 top of isocon, and spray head 330 is uniform along its length
Interval is mounted on cooling water pipe 320, and spray head 330 is arranged towards isocon 230.When nitrogen is passed through into cooler bin 310,
Spray head 330 will be in cool water shower to isocon 230, and cooling water passes through cooling tracheae 200 and carries out heat exchange with nitrogen,
To be cooled down to nitrogen.
Water circulation structure 340 includes water inlet pipe 341, water pump 342, return pipe 343 with cyclic water tank 344, water inlet pipe 341
One end is mounted on cooling water pipe 320, and throttle valve 345 is equipped on water inlet pipe 341, and water pump 342 is mounted on water inlet pipe 341
On.The bottom of cooler bin 310 is set as funnel-form, and one end of return pipe 343 is mounted on 310 bottom of cooler bin, cyclic water tank 344
It is arranged below cooler bin 310, water inlet pipe 341 is mounted on the side of cyclic water tank 344 far from one end of cooling water pipe 320, returns
Water pipe 343 is mounted on the other side of circulating box far from one end of cooler bin 310.
Referring to Fig. 2, Fig. 3, be additionally provided with pressure relief device 500 on cooler bin 310, pressure relief device 500 include relief tube 510,
Pressure release block 520, spring 530 and pressure relief opening 540.Relief tube 510 be welded on 310 outer wall of cooler bin and in cooler bin 310
Portion's connection, the sliding of pressure release block 520 are connected in relief tube 510, and the both ends of spring 530 are respectively welded at pressure release block 520 and cooling
On 310 outer wall of case, and spring 530 is located in relief tube 510.Pressure relief opening 540 is provided on the side wall of relief tube 510 and is located at and lets out
Side of the briquetting 520 far from cooler bin 310.Protective cover 550 is arranged on relief tube 510, protective cover 550 is welded on relief tube
Several gas ports 551 are offered on 510 side walls, and on the side wall of protective cover 550.High pressure gas in cooler bin 310 pushes
Pressure release block 520 overcomes 530 elastic force of spring, so that pressure release block 520 slides in relief tube 510, when pressure release block 520 is moved through pressure release
After mouth 540, gas is discharged by pressure relief opening 540 into protective cover 550, is discharged eventually by gas port 551.
The implementation principle of the present embodiment are as follows: after tempering, two air valves 240 are opened, subsequent start-up air pump 211 is by nitrogen
Gas is extracted out from burner hearth 100, and nitrogen will be moved in cooler bin 310 by escape pipe 210, and spray head 330 sprays cooling water
On leaching to isocon 230, cooling water carries out heat exchange by the side wall and nitrogen of isocon 230, and cooling fin 231 can improve and divide
The heat dissipation effect of flow tube 230.Cooling water will drop to 310 bottom of cooler bin, flow to cyclic water tank by return pipe 343
In 344, cooling water is constantly delivered at spray head 330 by water pump 342.
When cooling water and nitrogen carry out heat exchange, air pressure will be increased constantly in cooler bin 310, and high pressure gas promotion is let out
Briquetting 520 overcomes 530 elastic force of spring, so that pressure release block 520 slides in relief tube 510, when pressure release block 520 is moved through pressure relief opening
After 540, gas is discharged by pressure relief opening 540 into protective cover 550, is discharged eventually by gas port 551.Inert gas and cooling
Water achieve the effect that after heat exchange cooling, and water circulation structure 340 constantly carries out to cooling water cooling so that cooling water energy is held
Continuous to cool down to inert gas, inert gas after cooling will be passed through again to burner hearth 100, to constantly reduce furnace
Temperature in thorax 100, and inert gas can be constantly recycled, improve resource utilization.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of cooling system of tempering furnace, including burner hearth (100), it is characterised in that: be provided with cooling on the burner hearth (100)
Tracheae (200), cooling tracheae (200) both ends are connected to the burner hearth (100), and the cooling tracheae (200) both ends
It is provided with air valve (240), is provided with air pump (211) on the cooling tracheae (200)；It is arranged on the cooling tracheae (200)
Have cooling device (300), the cooling device (300) includes the cooler bin (310) being set on cooling tracheae (200), setting
It is arranged on cooling water pipe (320) and towards cooling tracheae (200) in the cooling water pipe (320) in cooler bin (310), setting
Spray head (330) and the water circulation structure (340) being arranged on cooler bin (310).
2. a kind of cooling system of tempering furnace according to claim 1, it is characterised in that: cooling tracheae (200) packet
It includes one end setting and muffler (220) on burner hearth (100) and is set in the escape pipe (210) on burner hearth (100), one end more
The isocon (230) that root both ends connect and are parallel to each other with escape pipe (210) and muffler (220) respectively, the isocon
(230) it is located in the cooler bin (310), the air pump (211) is arranged on the escape pipe (210).
3. a kind of cooling system of tempering furnace according to claim 2, it is characterised in that: the circle of the isocon (230)
Cooling fin (231) are provided on all side walls and along its circumferential direction.
4. a kind of cooling system of tempering furnace according to claim 1, it is characterised in that: set on the cooler bin (310)
It is equipped with pressure relief device (500), the pressure relief device (500) includes setting on cooler bin (310) side wall and what is communicated therewith lets out
Pressure pipe (510) slides the pressure release block (520) being connected in relief tube (510), is arranged in relief tube (510) and is located at and letting out
It spring (530) between briquetting (520) and cooler bin (310) outer wall and is provided on relief tube (510) side wall and is located at and let out
Pressure relief opening (540) of the briquetting (520) far from cooler bin (310) side.
5. a kind of cooling system of tempering furnace according to claim 4, it is characterised in that: covered on the relief tube (510)
Equipped with protective cover (550), several gas ports (551) are offered on the side wall of the protective cover (550).
6. a kind of cooling system of tempering furnace according to claim 1, it is characterised in that: the water circulation structure (340)
Including being arranged in the water inlet pipe (341) of cooling water pipe (320) one end, the water pump (342) being arranged on water inlet pipe (341), setting
The return pipe (343) of cooler bin (310) bottom and two sides respectively with water inlet pipe (341) and return pipe (343) is connected to and position
Cyclic water tank (344) below cooler bin (310).
7. a kind of cooling system of tempering furnace according to claim 6, it is characterised in that: cooler bin (310) bottom
It is funnel-shaped.
8. a kind of cooling system of tempering furnace according to claim 7, it is characterised in that: set on the water inlet pipe (341)
It is equipped with throttle valve (345).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166152.5U CN209338605U (en) | 2018-12-22 | 2018-12-22 | A kind of cooling system of tempering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166152.5U CN209338605U (en) | 2018-12-22 | 2018-12-22 | A kind of cooling system of tempering furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN209338605U true CN209338605U (en) | 2019-09-03 |
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ID=67758382
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822166152.5U Active CN209338605U (en) | 2018-12-22 | 2018-12-22 | A kind of cooling system of tempering furnace |
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| CN (1) | CN209338605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231721A (en) * | 2021-11-25 | 2022-03-25 | 常州市聚科精工制造有限公司 | Heat treatment method and system for steel low-pressure rotor |
-
2018
- 2018-12-22 CN CN201822166152.5U patent/CN209338605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231721A (en) * | 2021-11-25 | 2022-03-25 | 常州市聚科精工制造有限公司 | Heat treatment method and system for steel low-pressure rotor |
| CN114231721B (en) * | 2021-11-25 | 2024-02-09 | 常州市聚科精工制造有限公司 | Heat treatment method and system for steel low-pressure rotor |
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