CN207933500U - A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection - Google Patents
A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection Download PDFInfo
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- CN207933500U CN207933500U CN201820003285.8U CN201820003285U CN207933500U CN 207933500 U CN207933500 U CN 207933500U CN 201820003285 U CN201820003285 U CN 201820003285U CN 207933500 U CN207933500 U CN 207933500U
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- furnace
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- nitrogen protection
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Abstract
The ultra-large type well formula with nitrogen protection that the utility model discloses a kind of combining glowing furnace unit, including sequentially connected automatic turning material platform (1), tempering furnace (2), rinse bath (3), oil-quenching tank (4) and preheating furnace (5)；Walking glowing furnace (6) moves back and forth between oil-quenching tank (4) and preheating furnace (5)；Further include：Nitrogen protection device；The nitrogen protection device includes two seal cases and layering nitrogen supply (NS) pipeline；Workpiece is capable of providing from Quench heating to the nitrogen protection of cooling overall process, the low or non oxidizing of workpiece quenching can be achieved under this guard mode, can be used for the heat treatment process of large thin-wall cartridge type part low or non oxidizing.
Description
Technical field
The utility model is related to frame for movement technical field more particularly to a kind of ultra-large type well formula joints with nitrogen protection
Glowing furnace unit.
Background technology
With China tip equipment research and development flourish, to cartridge type class part needed for industry also towards diameter more
Greatly, the thinner direction of wall thickness is developed, and requirement of the ultra-large type cartridge type thin-wall part in heat treatment link is also higher and higher, is heating
Also need to low or non oxidizing while uniformly, and traditional shaft furnace in heating and quenching transfer process can ingress of air, because
This inevitably can cause workpiece to aoxidize, even walking heating furnace more advanced at present is also only to shorten quenching to turn
Shift time, in heating and transfer, still inevitable ingress of air, causes workpiece to aoxidize.In addition, traditional shaft furnace and
Walking heating furnace will produce a large amount of flue gas, be directly entered workshop, impacted to environment, in environmental requirement in oil quenching
Under increasingly strict trend, it is clear that cannot meet environmental impact assessment requirement.It is few to reach ultra-large type cartridge type thin-wall part heat treatment process
Non-oxidation need to establish matched heat treatment equipment, can just meet the requirements.
Invention content
The purpose of this utility model is to provide a kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection, Neng Gouti
For workpiece from Quench heating to the nitrogen protection of cooling overall process, few anaerobic of workpiece quenching can be achieved under this guard mode
Change, can be used for the heat treatment process of large thin-wall cartridge type part low or non oxidizing.
The purpose of this utility model is achieved through the following technical solutions：
A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection, including sequentially connected automatic turning material platform 1,
Tempering furnace 2, rinse bath 3, oil-quenching tank 4 and preheating furnace 5；Walking glowing furnace 6 back and forth moves between oil-quenching tank 4 and preheating furnace 5
It is dynamic；Further include：Nitrogen protection device；
The nitrogen protection device includes two seal cases and layering nitrogen supply (NS) pipeline；Two seal case difference
Set on 4 notch of oil-quenching tank and 5 fire door of preheating furnace；Layering nitrogen supply (NS) pipeline includes oil-quenching tank nitrogen supply (NS) pipeline 15, pre-
Hot stove nitrogen supply (NS) pipeline 16 and walking glowing furnace nitrogen supply (NS) pipeline 17；Oil-quenching tank nitrogen supply (NS) pipeline 15 is to quenching oil
4 top the supply of nitrogen of slot；The supply of nitrogen into preheating furnace 5 of preheating furnace nitrogen supply (NS) pipeline 16；Glowing furnace nitrogen supply (NS) pipeline 17
The supply of nitrogen into walking glowing furnace 6.
The seal case includes static housing 7, lifting drive 8 and seal assembly；Static housing 7 is fixed respectively
In 4 notch of oil-quenching tank and 5 fire door of preheating furnace；The lifting drive 8 is installed on 7 top permanent opening 9 of static housing
Both sides, static housing 7 are additionally provided with mobile opening 10 and are placed on 9 outside of permanent opening, and mobile opening 10 is driven by lifting drive 8
It moves up and down, seal assembly is set between permanent opening 9 and mobile opening 10.
The seal assembly includes sealing ring 11, double-packing sealing 12 and oil sealing 13；Sealing ring 11 is installed on movement and opens
On mouth 10 peripherally, oil sealing 13 is installed on 9 inner peripheral of permanent opening, and double-packing sealing 12 is fixed on sealing ring 11, below
Edge stretches into oil sealing 13, and the Seal Oil length for stretching into oil sealing 13 is more than the stroke that lifting drive 8 moves up and down.
7 both sides of static housing are equipped with sealed device for drive-shaft 14.
The preheating furnace nitrogen supply (NS) pipeline 16 includes multiple nitrogen supply (NS) mouths, is arranged along preheating furnace short transverse, nitrogen
Furnace body arranged tangential of the outgassing direction of gas supply opening along preheating furnace 5.
The glowing furnace nitrogen supply (NS) pipeline 17 includes multiple nitrogen supply (NS) mouths, is arranged along preheating furnace short transverse, nitrogen
Furnace body arranged tangential of the outgassing direction of gas supply opening along walking glowing furnace 6.
The nitrogen protection device further includes the eduction rod seal receptacle 18 and thermoelectricity being set on 6 furnace body of walking glowing furnace
Even seal receptacle 19.
The nitrogen protection device further includes the hoisting system seal closure 20 set on 6 furnace roof of walking glowing furnace.
The nitrogen protection device further includes oxygen probe 21 and pressurizer 22, and oxygen probe 21 is set to walking glowing furnace
On 6 furnace bodies, pressurizer 22 is set to 6 furnace roof of walking glowing furnace.
A kind of band nitrogen that the utility model embodiment provides it can be seen from above-mentioned technical solution provided by the utility model
The ultra-large type well formula of gas shielded combines glowing furnace unit, using the preheating furnace of included seal case, walking glowing furnace, quenching oil
Slot is quenched using the eduction rod seal receptacle and thermocouple seal receptacle of high leakproofness using walking using layering nitrogen supply (NS) mode
Stove furnace roof hoisting system seal closure, using oxygen probe and and pressurizer workpiece is capable of providing using sealed device for drive-shaft
From Quench heating to the nitrogen protection of cooling overall process, the low or non oxidizing of workpiece quenching can be achieved under this guard mode, it can be with
Heat treatment process for large thin-wall cartridge type part low or non oxidizing.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the structure that the ultra-large type well formula with nitrogen protection that the utility model embodiment provides combines glowing furnace unit
Composition schematic diagram；
Fig. 2 is the sealing that the ultra-large type well formula with nitrogen protection that the utility model embodiment provides combines glowing furnace unit
Box structure diagram；
Fig. 3 is the biography row that the ultra-large type well formula with nitrogen protection that the utility model embodiment provides combines glowing furnace unit
Walk formula glowing furnace structural schematic diagram；
Fig. 4 is the extraction that the ultra-large type well formula with nitrogen protection that the utility model embodiment provides combines glowing furnace unit
Stick seal receptacle structural schematic diagram；
Fig. 5 is the thermoelectricity that the ultra-large type well formula with nitrogen protection that the utility model embodiment provides combines glowing furnace unit
Even seal receptacle structural schematic diagram.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Figure 1, a kind of ultra-large type well formula with nitrogen protection combines glowing furnace unit, including it is sequentially connected automatic
Overturning material platform 1, tempering furnace 2, rinse bath 3, oil-quenching tank 4 and preheating furnace 5；Walking glowing furnace 6 is in oil-quenching tank 4 and preheating furnace
It is moved back and forth between 5；In addition, further including nitrogen supply (NS) system, lampblack purifying system and the Electric centralized control system for ensureing operation.
Automatic turning material platform 1 is used to workpiece being converted into vertical state from horizontality；Tempering of the tempering furnace 2 for workpiece is heated；Clearly
Washing trough 3 is for the oil stain cleaning before workpiece tempering fed to boiler；Quenching of the oil-quenching tank 4 for workpiece cools down；Preheating furnace 5 is used for work
The preheating of part；Walking glowing furnace 6 is used for Quench heating；Nitrogen supply (NS) system makes workpiece add for providing nitrogen protection heating
Hot low or non oxidizing；Lampblack purifying system is used to purify the flue gas generated when quenching and tempering heating, reaches environmental emission standard；Electricity
Gas centralized control system monitors the full mistake with recording equipment operation for controlling heating, cool down and acting for whole production line
Journey provides prompt to failure.
In this example, the joint glowing furnace unit further includes：Nitrogen protection device；The nitrogen protection device includes
Two seal cases and layering nitrogen supply (NS) pipeline；Two seal cases are respectively arranged on 4 notch of oil-quenching tank and 5 stove of preheating furnace
Mouthful；Layering nitrogen supply (NS) pipeline includes that oil-quenching tank nitrogen supply (NS) pipeline 15, preheating furnace nitrogen supply (NS) pipeline 16 are quenched with walking
Stove nitrogen supply (NS) pipeline 17；Oil-quenching tank nitrogen supply (NS) pipeline 15 is to 4 top the supply of nitrogen of oil-quenching tank；Preheating furnace nitrogen supplies
Answer the supply of nitrogen into preheating furnace 5 of pipeline 16；The supply of nitrogen into walking glowing furnace 6 of glowing furnace nitrogen supply (NS) pipeline 17.
As shown in Fig. 2, the seal case includes static housing 7, lifting drive 8 and seal assembly；Fixed case
Body 7 is individually fixed in 4 notch of oil-quenching tank and 5 fire door of preheating furnace；The lifting drive 8 is driven by hydraulic device or motor
Dynamic to move up and down, specific structure belongs to common knowledge with technical solution, repeats no more.The lifting drive 8 is installed
9 both sides of permanent opening above static housing 7, static housing 7 is additionally provided with mobile opening 10 and is placed on 9 outside of permanent opening, by rising
The drop driving movement of driving device 8 opening 10 moves up and down, and seal assembly is set between permanent opening 9 and mobile opening 10.Described
Seal assembly includes sealing ring 11, double-packing sealing 12 and oil sealing 13；Sealing ring 11 is installed in mobile opening 10 peripherally, oil
Envelope 13 is installed on 9 inner peripheral of permanent opening, and double-packing sealing 12 is fixed on sealing ring 11, and lower edge stretches into oil sealing 13,
The Seal Oil length for stretching into oil sealing 13 is more than the stroke that lifting drive 8 moves up and down.
Seal case is mainly when preheating furnace 5 and the docking of walking glowing furnace 6 are come out of the stove, walking glowing furnace 6 and quenching oil
Slot 4 when welding and quenching to using, specifically, 11 normality of sealing ring is in lower decrease, when needing sealing, lifting drive 8 rises to
Upper raise-position sealing, in this position, sealing ring 11 is contacted with 6 under shed of walking glowing furnace of top, and is sealed.Sealing ring 11 connects
The lower part knife sealing plate of the double-packing sealing 12 connect is still inserted into the Seal Oil of oil sealing 13, to the gap between water-tight equipment, is played
Sealing effect.
7 both sides of static housing are equipped with sealed device for drive-shaft 14.As shown in figure 3, sealed device for drive-shaft 14 is
A kind of dynamic Dual-layer sealing device, is mounted on 7 end sides of static housing, and the driving motor being mainly used for outside static housing 7 is defeated
Shaft passes through the junction of static housing 7, horizontal reciprocating movement of the driving motor for driving capping or bell here.It passes
Seal airtight of driving shaft device 14 mainly fixes ring seat 23, transmission shaft asbestos seal felt 24, O-shaped sealing rubber ring 25 and transmission by transmission shaft
Axis gland 26 forms.In the axis hole of transmission shaft gland 26, transmission shaft asbestos seal felt 24 is set to be passed O-shaped sealing rubber ring 25
Moving axis is fixed between ring seat 23 and transmission shaft gland 26, and sealing is fixed by fixing screws.
As shown in Figure 1, the preheating furnace nitrogen supply (NS) pipeline 16 includes multiple nitrogen supply (NS) mouths, along preheating furnace height side
To arrangement, the outgassing direction of nitrogen supply (NS) mouth is along the furnace body arranged tangential of preheating furnace 5, and being conducive to furnace gas stirring, to meet furnace temperature uniform
Property.As for the spacing and quantity of the arrangement of nitrogen supply (NS) opening's edge preheating furnace short transverse, belongs to common knowledge, repeat no more.
The glowing furnace nitrogen supply (NS) pipeline 17 includes multiple nitrogen supply (NS) mouths, is arranged along preheating furnace short transverse, nitrogen
The outgassing direction of gas supply opening is conducive to furnace gas stirring and meets temperature uniformity along the furnace body arranged tangential of walking glowing furnace 6.
As for the spacing and quantity of the arrangement of nitrogen supply (NS) opening's edge preheating furnace short transverse, belongs to common knowledge, repeat no more.
The nitrogen protection device further includes the eduction rod seal receptacle 18 and thermoelectricity being set on 6 furnace body of walking glowing furnace
Even seal receptacle 19.As shown in figure 4, eduction rod seal receptacle 18 has high leakproofness, ensure the leakproofness of eduction rod interface, specifically
It is formed including eduction rod fixed seat 27, eduction rod asbestos seal felt 28, porcelain bushing 29 and eduction rod spinning cover 30.Eduction rod is solid
Reservation 27 is welded on 6 furnace body of walking glowing furnace, and by being pierced by eduction rod fixed seat 27, two porcelain bushings 29 press from both sides eduction rod
It holds eduction rod asbestos seal felt 28 and set between eduction rod and eduction rod fixed seat 27,27 outer end of eduction rod fixed seat is (namely
Top in figure) it is equipped with external screw thread, eduction rod spinning cover 30 is equipped with internal thread, and two screw-thread fits are rotated by eduction rod spinning cover 30
It is fixed, eduction rod asbestos seal felt 28 is compressed, realizes sealing.27 inside of eduction rod fixed seat (lower section namely in figure) is equipped with limit
Position steel ring 31, limit steel ring 31 is welded in eduction rod fixed seat 27, for positioning porcelain bushing 29.
As shown in figure 5, thermocouple seal receptacle 19 has high leakproofness, ensure the leakproofness of thermocouple interface.Specific packet
Thermocouple fixing base 32, thermocouple asbestos seal felt 33 and thermocouple spinning cover 34 is included to form.Thermocouple fixing base 32 is welded in
On 6 furnace body of walking glowing furnace, it is equipped with external screw thread, thermocouple in thermocouple fixing base 32 by being pierced by, thermocouple periphery thermocouple
Thermocouple asbestos seal felt 33 is set between fixed seat 32 and thermocouple spinning cover 34, thermocouple spinning cover 34 is equipped with internal thread, and two
Screw-thread fit is rotated by thermocouple spinning cover 34 and is fixed, and compresses thermocouple asbestos seal felt 33, realizes sealing.
The nitrogen protection device further includes the hoisting system seal closure set on 6 furnace roof of walking glowing furnace.By shaped steel
Frame and movable sealing board group at, between sealed with asbestos seal plate, including glowing furnace hoisting system is fully sealed seal closure,
Ensure that nitrogen is not revealed, specific structure belongs to common knowledge, repeats no more.
The nitrogen protection device further includes oxygen probe 21 and pressurizer 22, and oxygen probe 21 is set to walking glowing furnace
On 6 furnace bodies, oxygen content is to control the intake of nitrogen in the measurement stove of oxygen probe 21；Specific structure belongs to common knowledge, no longer
It repeats.Pressurizer 22 is set to 6 furnace roof of walking glowing furnace.Furnace pressure mistake when pressurizer 22 prevents nitrogen to be passed through excessive
Height, specific structure belong to common knowledge, repeat no more.
In the present invention, nitrogen protection device can provide a totally enclosed environment during workpiece quenching,
The interface of lampblack purifying system is connected on seal case, can the suction of whole flue gases be directly discharged into air after purification, to ring
Border will not pollute, to meet the requirement of environmental protection.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
Subject to the scope of protection of the claims.
Claims (9)
1. a kind of ultra-large type well formula with nitrogen protection combines glowing furnace unit, which is characterized in that including sequentially connected automatic
Overturning material platform (1), tempering furnace (2), rinse bath (3), oil-quenching tank (4) and preheating furnace (5)；Walking glowing furnace (6) is quenching
It is moved back and forth between oil groove (4) and preheating furnace (5)；Further include：Nitrogen protection device；
The nitrogen protection device includes two seal cases and layering nitrogen supply (NS) pipeline；Two seal cases are respectively arranged on
Oil-quenching tank (4) notch and preheating furnace (5) fire door；Layering nitrogen supply (NS) pipeline include oil-quenching tank nitrogen supply (NS) pipeline (15),
Preheating furnace nitrogen supply (NS) pipeline (16) and walking glowing furnace nitrogen supply (NS) pipeline (17)；Oil-quenching tank nitrogen supply (NS) pipeline (15)
The supply of nitrogen above to oil-quenching tank (4)；Preheating furnace nitrogen supply (NS) pipeline (16) is to preheating furnace (5) interior the supply of nitrogen；Glowing furnace
Nitrogen supply (NS) pipeline (17) is to walking glowing furnace (6) interior the supply of nitrogen.
2. the ultra-large type well formula according to claim 1 with nitrogen protection combines glowing furnace unit, which is characterized in that described
Seal case include static housing (7), lifting drive (8) and seal assembly；Static housing (7) is individually fixed in quenching
Oil groove (4) notch and preheating furnace (5) fire door；The lifting drive (8) is installed on permanent opening above static housing (7)
(9) both sides, static housing (7) are additionally provided with mobile opening (10) and are placed on the outside of permanent opening (9), driven by lifting drive (8)
Dynamic mobile opening (10) moves up and down, and seal assembly is set between permanent opening (9) and mobile opening (10).
3. the ultra-large type well formula according to claim 2 with nitrogen protection combines glowing furnace unit, which is characterized in that described
Seal assembly include sealing ring (11), double-packing sealing (12) and oil sealing (13)；Sealing ring (11) is installed on mobile opening
(10) on peripherally, oil sealing (13) is installed on permanent opening (9) inner peripheral, and sealing ring (11) is fixed in double-packing sealing (12)
On, lower edge stretches into oil sealing (13), and the Seal Oil length for stretching into oil sealing (13) is more than what lifting drive (8) moved up and down
Stroke.
4. the ultra-large type well formula according to claim 2 with nitrogen protection combines glowing furnace unit, which is characterized in that described
Static housing (7) both sides be equipped with sealed device for drive-shaft (14).
5. the ultra-large type well formula according to claim 1,2,3 or 4 with nitrogen protection combines glowing furnace unit, feature exists
In the preheating furnace nitrogen supply (NS) pipeline (16) includes multiple nitrogen supply (NS) mouths, is arranged along preheating furnace short transverse, and nitrogen supplies
Answer the outgassing direction of mouth along the furnace body arranged tangential of preheating furnace (5).
6. the ultra-large type well formula according to claim 1,2,3 or 4 with nitrogen protection combines glowing furnace unit, feature exists
In the glowing furnace nitrogen supply (NS) pipeline (17) includes multiple nitrogen supply (NS) mouths, is arranged along preheating furnace short transverse, and nitrogen supplies
Answer the outgassing direction of mouth along the furnace body arranged tangential of walking glowing furnace (6).
7. the ultra-large type well formula according to claim 1,2,3 or 4 with nitrogen protection combines glowing furnace unit, feature exists
In the nitrogen protection device further includes the eduction rod seal receptacle (18) and thermoelectricity being set on walking glowing furnace (6) furnace body
Even seal receptacle (19).
8. the ultra-large type well formula according to claim 1,2,3 or 4 with nitrogen protection combines glowing furnace unit, feature exists
In the nitrogen protection device further includes the hoisting system seal closure (20) set on walking glowing furnace (6) furnace roof.
9. the ultra-large type well formula according to claim 1,2,3 or 4 with nitrogen protection combines glowing furnace unit, feature exists
In the nitrogen protection device further includes oxygen probe (21) and pressurizer (22), and oxygen probe (21) is quenched set on walking
On stove (6) furnace body, pressurizer (22) is set to walking glowing furnace (6) furnace roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003285.8U CN207933500U (en) | 2018-01-02 | 2018-01-02 | A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003285.8U CN207933500U (en) | 2018-01-02 | 2018-01-02 | A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection |
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| Publication Number | Publication Date |
|---|---|
| CN207933500U true CN207933500U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820003285.8U Active CN207933500U (en) | 2018-01-02 | 2018-01-02 | A kind of ultra-large type well formula joint glowing furnace unit with nitrogen protection |
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| CN (1) | CN207933500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747325A (en) * | 2019-12-04 | 2020-02-04 | 武汉电炉有限公司 | Intelligent heat treatment production line |
| CN116590512A (en) * | 2023-05-31 | 2023-08-15 | 金华克钻特钢工具有限公司 | Vacuum quenching furnace for broach |
-
2018
- 2018-01-02 CN CN201820003285.8U patent/CN207933500U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747325A (en) * | 2019-12-04 | 2020-02-04 | 武汉电炉有限公司 | Intelligent heat treatment production line |
| CN116590512A (en) * | 2023-05-31 | 2023-08-15 | 金华克钻特钢工具有限公司 | Vacuum quenching furnace for broach |
| CN116590512B (en) * | 2023-05-31 | 2024-01-30 | 金华克钻特钢工具有限公司 | Vacuum quenching furnace for broach |
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Address after: 100083 No. 18 clear road, Haidian District, Beijing Patentee after: China National Machinery Institute Group Beijing Electromechanical Research Institute Co.,Ltd. Address before: 100083 No. 18 clear road, Haidian District, Beijing Patentee before: BEIJING Research Institute OF MECHANICAL & ELECTRICAL TECHNOLOGY |
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