CN106894034B - A kind of surface of workpiece reduction apparatus and its method - Google Patents
A kind of surface of workpiece reduction apparatus and its method Download PDFInfo
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- CN106894034B CN106894034B CN201710226660.5A CN201710226660A CN106894034B CN 106894034 B CN106894034 B CN 106894034B CN 201710226660 A CN201710226660 A CN 201710226660A CN 106894034 B CN106894034 B CN 106894034B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
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Abstract
The invention discloses a kind of surface of workpiece reduction apparatus and its method, which includes entrance, spare part section furnace body, bringing-up section furnace body, cooling section furnace body and outlet section；The entrance is sealingly mounted at the top of the spare part section furnace body, and spare part section furnace body, the bringing-up section furnace body, the cooling section furnace body and the outlet section are successively tightly connected from right to left；The heating unit of bringing-up section furnace body is evenly arranged on inside furnace wall；The inner cavity of spare part section furnace body position corresponding with entrance is equipped with lifting fitting device, spare part section furnace body, bringing-up section furnace body, cooling section furnace body and outlet section inside be equipped with the rollgang being located in same horizontal line.Continuous production can be achieved in the present invention; it ensure that working efficiency; reduce labor intensity; the oxide layer of surface of workpiece is restored using hydrogen simultaneously; it can get the metal works of surfacing; and it is effectively protected the environment of surrounding, the secondary loss of metal is avoided, the utilization rate of metal is improved.
Description
Technical field
The present invention relates to ashtray fields, more particularly to a kind of surface of workpiece reduction apparatus and its method.
Background technique
The process that the oxidation of metal and carbon dioxide, water and oxygen in furnace gas or air react, and oxide skin
It is the product after the high temperature of metal surface, metal oxidation when being lower than 200 DEG C is very slow, when temperature increases to 700 DEG C to 850 DEG C
When oxidation rate start to accelerate, when temperature rises to 1000 DEG C, oxidation rate is steeply risen.
The presence of oxidation on metal surface skin will cause metal loss, while accelerate the corrosion rate of metallic matrix, to drop
The low service life of metal.And the method for removing oxidation on metal surface skin includes two kinds, one is pickling, second is that at machinery
Reason.Pickling is the oxide skin and rust of metal surface to be removed using acid solution, but this method can bring pollution to environment.
Mechanical treatment is using grinding wheel or just to have brushed away oxide skin and rust except metal surface, but this method large labor intensity,
Some fresh metals can be also buffed off, and cause the secondary loss of metal, and metal has non-uniform phenomenon of polishing.
Summary of the invention
For the defects in the prior art, the present invention provides surface of workpiece reduction apparatus and its method, effectively protects
Ambient enviroment has been protected, labor intensity is reduced, has avoided the secondary loss of metal, it is uneven to avoid metal surface polishing
The phenomenon that, while ensure that working efficiency.
A kind of surface of workpiece reduction apparatus, including entrance, spare part section furnace body, bringing-up section furnace body, cooling section furnace body
And outlet section；The entrance is sealingly mounted at the top of the spare part section furnace body, spare part section furnace body, the bringing-up section furnace body,
The cooling section furnace body and the outlet section are successively tightly connected from right to left；The top and lower part of entrance are equipped with sealing
Valve, entrance pars infrasegmentalis are equipped with the entrance inert gas intake valve above the sealing valve of entrance pars infrasegmentalis, the top of entrance
Equipped with entrance exhaust valve；The left end of outlet section and right part also are provided with sealing valve, the lower part of outlet section be equipped with outlet inert gas into
The top of air valve, outlet section is equipped with exiting exhaust gas valve；Bringing-up section furnace body is equipped with hydrogen gas valve and inert gas intake valve, cooling
Section furnace body is equipped with exhaust valve；Sealing valve includes flange, sealing plate, gland, bearing, valve shaft and motor；The lower part of flange is equipped with material
Mouthful, the sealing plate for sealing material mouth is equipped in flange, the size of sealing plate is adapted with the inner wall of flange, the left and right of sealing plate
It is in symmetrical connecting hole that portion, which is equipped with,；The top of flange sets the mounting groove there are two the connecting hole with sealing plate with center line, installation
The top of slot and bearing adapter, valve shaft is fixedly connected with bearing, and the lower end of valve shaft passes through the mounting groove of flange and the company of sealing plate
Hole threaded connection is connect, falls into bearing in mounting groove；Gland is set on valve shaft and connect with the top of flange, and bearing is limited in
In the mounting groove of flange；The top of valve shaft is equipped with driven gear, and driving gear, driving gear and electricity are equipped between driven gear
The shaft of machine connects；Bringing-up section furnace body includes furnace shell, furnace wall, thermal insulation material and heating unit, filled thermal insulation materials in furnace shell and
Between furnace wall, heating unit is evenly arranged on inside furnace wall；The inner cavity of spare part section furnace body position corresponding with entrance is equipped with lifting and connects
Part device, spare part section furnace body, bringing-up section furnace body, cooling section furnace body and outlet section inside be equipped be located at it is defeated in same horizontal line
Send roller-way.
The inside of spare part section furnace body of the invention, bringing-up section furnace body and cooling section furnace body is filled with after inert gas empties
Hydrogen；The sealing valve at the top of entrance is opened, the metal works for removing surface blot are put into the inside of entrance, are then shut off
Sealing valve at the top of entrance, then made inside entrance by entrance inert gas intake valve and entrance exhaust valve full of indifferent gas
Body；Metal works inside entrance are transferred to spare part section by lifting fitting device by the sealing valve for opening entrance pars infrasegmentalis
On the delivery track of furnace interior, then metal works are sent to bringing-up section furnace interior and are carried out by heating unit by delivery track
It heats, reduction reaction occurs for the hydrogen in the oxide layer and burner hearth of surface of workpiece, to remove the oxygen of surface of workpiece
Change skin；Then the oxide-free metal works in surface cooling section furnace body is transferred to cool down；The outlet for opening outlet section is lazy
Property gas inlet valve and exiting exhaust gas valve, the air inside outlet section are emptied, then open the sealing valve of outlet section right part,
Metal works after cooling are delivered to inside outlet section by rollgang, are then shut off the sealing valve of outlet section right part, then
The sealing valve for opening outlet section left end takes out metal works, obtains the oxide-free metal works finished product of surface cleaning.
Continuous production can be achieved in the present invention, ensure that working efficiency, reduces labor intensity, while using hydrogen
The oxide layer of surface of workpiece is restored, can get the metal works of surfacing, and is effectively protected surrounding
Environment, avoid the secondary loss of metal, improve the utilization rate of metal.The design of the sealing valve of entrance and outlet section,
The entrance inert gas intake valve and entrance exhaust valve of entrance and the outlet inert gas intake valve of outlet section and outlet row
Air valve, it is ensured that when putting part and pickup, without air and full of inert gas inside entrance and outlet section, it is logical to avoid air
The sealing valve of the sealing valve and outlet section right part of crossing entrance pars infrasegmentalis enters furnace interior, causes safety accident, to improve
The safety that equipment uses.The shaft of motor drives driving gear rotation, and driving gear drives driven gear rotation, to realize
The rotation for the valve shaft being connect with driven gear；And valve shaft and sealing plate are threadedly coupled, longitudinal or lateral position does not occur for valve shaft
It moves, it can be achieved that sealing plate sliding axially along valve shaft inside flange, to realize the opening and closing to flange material mouth.Sealing
Valve improves what sealing plate moved inside flange using the design in the dual link hole of double driven gears, bivalve axis and sealing plate
Stability.The design of gland can avoid bearing drive valve shaft scurry out flange mounting groove the phenomenon that, ensure that the normal work of sealing valve
Make.
Preferably, the material mouth of the flange and sealing plate are in rectangle, and the four corners rounding of sealing plate can avoid sealing
The phenomenon that corner of plate scrapes with flange inner wall, causes Caton, to improve the mobile stability of sealing plate.
Preferably, it is equipped with washer between the gland and the outer ring of bearing, efficiently avoids bearing in mounting groove
Play.
Preferably, the cooling section furnace body includes inner housing and cooling shell, and cooling shell is connect with interior casing seal, cold
But the cavity between shell and inner housing forms ponding chamber, and the lower end of cooling shell is equipped with water inlet, and the upper end of cooling shell is set
There is water outlet.The design of the inlet and outlet of cooling shell ensure that the ponding of cooling shell and inner housing is intracavitary and be full of
Cooling water, and the continuous replacement of cooling water is realized, it ensure that the cooling efficiency of cooling section furnace body.
Preferably, the left and right ends of the bringing-up section furnace body are equipped with baffle, ensure that the hydrogen of bringing-up section furnace interior
Amount, a large amount of hydrogen for avoiding bringing-up section furnace interior flow to the inside of spare part section furnace body and cooling section furnace body, improve hydrogen
The utilization rate of gas.
Preferably, the exhaust valve is located at the left end of cooling section furnace body.
A kind of surface of workpiece restoring method, using surface of workpiece reduction apparatus as described above, including it is as follows
Step:
S1: it using the surface blot of neutral detergent and clear water cleaning metal works, is then baked to obtain surface clear
Clean metal works；Metal works after cleaning are put into entrance by the motor of the sealing valve at the top of Driver Entry section
Portion；Then the air inside entrance is discharged the entrance inert gas intake valve for opening entrance from entrance exhaust valve；
S2: spare part section furnace is discharged by the exhaust valve of cooling section furnace body in the inert gas intake valve for opening bringing-up section furnace body
The air of body, bringing-up section furnace body and cooling section furnace interior is then shut off inert gas intake valve, opens hydrogen gas valve, makes
Hydrogen is full of entire burner hearth；
S3: opening the sealing valve of entrance pars infrasegmentalis, will be in entrance by the lifting fitting device of spare part section furnace interior
The metal works in portion are picked to the delivery track of spare part section furnace body；
S4: metal works are transferred to from spare part section furnace body by the delivery track of spare part section furnace body and bringing-up section furnace body and are added
Hot arc furnace body, then metal works are heated by the heating unit of bringing-up section furnace interior, the hydrogen in burner hearth is to metal works
The oxide layer on surface is restored, and the oxide-free metal works of surface cleaning are finally obtained；
S5: by rollgang by the oxide-free metal works in surface from bringing-up section furnace body be delivered to cooling section furnace body into
Row cooling；
S6: opening the outlet inert gas intake valve of outlet section, and the air inside outlet section is arranged by exiting exhaust gas valve
Out；Metal works are transferred to outlet section from cooling section furnace body by delivery track by the sealing valve for then opening outlet section right part
Inside is then shut off the sealing valve of outlet section right part；
S7: opening the sealing valve of outlet section left end, takes out metal works, obtains the oxide-free finished metal of surface cleaning
Workpiece.
The beneficial effects of the present invention are embodied in:
Continuous production can be achieved in the present invention, ensure that working efficiency, reduces labor intensity, while using hydrogen
The oxide layer of surface of workpiece is restored, can get the metal works of surfacing, and is effectively protected surrounding
Environment, avoid the secondary loss of metal, improve the utilization rate of metal.The design of the sealing valve of entrance and outlet section,
The entrance inert gas intake valve and entrance exhaust valve of entrance and the outlet inert gas intake valve of outlet section and outlet row
Air valve, it is ensured that when putting part and pickup, without air and full of inert gas inside entrance and outlet section, it is logical to avoid air
The sealing valve of the sealing valve and outlet section right part of crossing entrance pars infrasegmentalis enters furnace interior, causes safety accident, to improve
The safety that equipment uses.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Attached drawing needed in embodiment is briefly described.In all the appended drawings, similar element or part are generally by class
As appended drawing reference identify.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the structural schematic diagram of the present embodiment sealing valve.
In attached drawing, 1- entrance, 11- entrance inert gas intake valve, 12- entrance exhaust valve, 2- spare part section furnace body, 21-
Device, 3- bringing-up section furnace body, 31- inert gas intake valve, 32- hydrogen gas valve, 33- furnace shell, 34- furnace wall, 35- are met in lifting
Thermal insulation material, 36- heating unit, 37- baffle, 4- cooling section furnace body, 41- exhaust valve, 42- inner housing, the cooling shell of 43-, 44-
Water inlet, 45- water outlet, 5- outlet section, 51- export inert gas intake valve, 52- exiting exhaust gas valve, 6- sealing valve, 61- method
Orchid, 611- material mouth, 62- sealing plate, 621- connecting hole, 63- gland, 64- bearing, 65- valve shaft, 66- motor, 67- driven gear,
68- driving gear, 7- rollgang, 8- metal works
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation the protection model of limitation this patent
It encloses.
As depicted in figs. 1 and 2, present embodiment discloses a kind of surface of workpiece reduction apparatus and its method, the devices
Including entrance 1, spare part section furnace body 2, bringing-up section furnace body 3, cooling section furnace body 4 and outlet section 5.Entrance 1 is sealingly mounted at standby
The top of part section furnace body 2, spare part section furnace body 2, bringing-up section furnace body 3, cooling section furnace body 4 and outlet section 5 successively seal from right to left
Connection；The top and lower part of entrance 1 are equipped with sealing valve 6, and 1 lower part of entrance is equipped with the sealing valve 6 positioned at 1 lower part of entrance
The top of the entrance inert gas intake valve 11 of top, entrance 1 is equipped with entrance exhaust valve 12；The left end of outlet section 5 and right part
It also is provided with sealing valve 6, the lower part of outlet section 5 is equipped with outlet inert gas intake valve 51, and the top of outlet section 5 is equipped with exiting exhaust gas
Valve 52；Bringing-up section furnace body 3 is equipped with hydrogen gas valve 32 and inert gas intake valve 31, and cooling section furnace body 4 is equipped with exhaust valve 41, row
Air valve 41 is located at the left end of cooling section furnace body 4.Bringing-up section furnace body 3 includes furnace shell 33, furnace wall 34, thermal insulation material 35 and heating unit
36, thermal insulation material 35 is filled between furnace shell 33 and furnace wall 34, and heating unit 36 is evenly arranged on inside furnace wall 34.Spare part section furnace body 2
Inner cavity position corresponding with entrance 1 be equipped with lifting fitting device 21, spare part section furnace body 2, bringing-up section furnace body 3, cooling section furnace
The inside of body 4 and outlet section 5 is equipped with the rollgang 7 being located in same horizontal line.
Cooling section furnace body 4 includes inner housing 42 and cooling shell 43, and cooling shell 43 is tightly connected with inner housing 42, cooling
Cavity between shell 43 and inner housing 42 forms ponding chamber, and the lower end of cooling shell 43 is equipped with water inlet 44, cooling shell 43
Upper end be equipped with water outlet 45.The design of the water inlet 44 and water outlet 45 of cooling shell 43, ensure that cooling shell 43 with it is interior
The ponding of shell 42 is intracavitary to be full of cooling water, and realizes the continuous replacement of cooling water, ensure that the cooling of cooling section furnace body 4
Efficiency.The left and right ends of bringing-up section furnace body 3 are equipped with baffle 37, ensure that the amounts of hydrogen inside bringing-up section furnace body 3, avoid and add
A large amount of hydrogen inside hot arc furnace body 3 flow to the inside of spare part section furnace body 2 and cooling section furnace body 4, have improved the benefit of hydrogen
With rate.
Sealing valve 6 includes flange 61, sealing plate 62, gland 63, bearing 64, valve shaft 65 and motor 66；The lower part of flange 61
It is equipped with the sealing plate 62 for sealing material mouth 611 equipped with material mouth 611, in flange 61, the size of sealing plate 62 is interior with flange 61
Wall is adapted, and it is in symmetrical connecting hole 621 that the left and right part of sealing plate 62, which is equipped with,.The material mouth 611 of flange 61 is in sealing plate 62
Rectangle, the four corners rounding of sealing plate 62, the corner that can avoid sealing plate 62 are scraped with 61 inner wall of flange, cause Caton
The phenomenon that, to improve the mobile stability of sealing plate 62.The top of flange 61 sets the connecting hole there are two with sealing plate 62
621 with center line mounting groove, mounting groove is adapted to bearing 64, and the top of valve shaft 65 is fixedly connected with bearing 64, valve shaft 65
The mounting groove that lower end passes through flange 61 is threadedly coupled with the connecting hole 621 of sealing plate 62, falls into bearing 64 in mounting groove；Gland
63 are set on valve shaft 65 and connect with the top of flange 61, bearing 64 are limited in the mounting groove of flange 61, gland 63 and axis
It holds and is equipped with washer between 64 outer ring, efficiently avoid play of the bearing 64 in mounting groove；The top of valve shaft 65 be equipped with from
Moving gear 67 is equipped with driving gear 68 between driven gear 67, and driving gear 68 is connect with the shaft of motor 66.Motor 66
Shaft drives driving gear 68 to rotate, and driving gear 68 drives driven gear 67 to rotate, and connect to realize with driven gear 67
Valve shaft 65 rotation；And valve shaft 65 and sealing plate 62 are threadedly coupled, longitudinal or lateral displacement does not occur for valve shaft 65, can be real
Existing the sliding axially along valve shaft 65 inside flange 61 of sealing plate 62, to realize the opening and closing to 61 material mouth 611 of flange.
Sealing valve 6 improves sealing plate 62 using the design in the dual link hole 621 of double driven gears 67, bivalve axis 65 and sealing plate 62
The stability moved inside flange 61.The design of gland 63 can avoid bearing 64 and valve shaft 65 driven to scurry out 61 mounting groove of flange
Phenomenon ensure that the normal work of sealing valve 6.
The inside of spare part section furnace body 2 of the invention, bringing-up section furnace body 3 and cooling section furnace body 4 is filled after inert gas empties
Hydrogen is expired；The metal works 8 for removing surface blot, are put into the inside of entrance 1 by the sealing valve 6 for opening 1 top of entrance,
It is then shut off the sealing valve 6 at 1 top of entrance, then entrance is made by entrance inert gas intake valve 11 and entrance exhaust valve 12
1 inside is full of inert gas；The sealing valve 3 for opening 1 lower part of entrance, will be inside entrance 1 by lifting fitting device 21
Metal works 8 are transferred on the delivery track 7 inside spare part section furnace body 1, and then delivery track 7 send metal works 8 to heating
It is heated inside section furnace body 3 by heating unit 36, the hydrogen in the oxide layer and burner hearth on 8 surface of metal works restores
Reaction, to remove the oxide skin on 8 surface of metal works；Then the oxide-free metal works 8 in surface are transferred to cooling section
Furnace body 4 is cooled down；The outlet inert gas intake valve 51 and exiting exhaust gas valve 2 for opening outlet section 5, inside outlet section 5
Air is emptied, then opens the sealing valve 6 of 5 right part of outlet section, and metal works 8 after cooling are conveyed by rollgang 7
To outlet section 5, it is then shut off the sealing valve 6 of 5 right part of outlet section, then opens the taking-up metal of sealing valve 6 of 5 left end of outlet section
Workpiece 8 obtains oxide-free 8 finished product of metal works of surface cleaning.Continuous production can be achieved in the present invention, ensure that work is imitated
Rate is reduced labor intensity, while being restored using hydrogen to the oxide layer of surface of workpiece, and it is flat to can get surface
Whole metal works, and it is effectively protected the environment of surrounding, the secondary loss of metal is avoided, the utilization of metal is improved
Rate.The design of the sealing valve 6 of entrance 1 and outlet section 5, the entrance inert gas intake valve 11 and entrance exhaust valve of entrance 1
12 and outlet section 5 outlet inert gas intake valve 51 and exiting exhaust gas valve 52, it is ensured that when putting part and pickup, entrance 1
With there is no air inside outlet section 5 and full of inert gas, avoid air and pass through the sealing valve 6 of 1 lower part of entrance and outlet
The sealing valve 6 of 5 right parts of section enters furnace interior, safety accident is caused, to improve the safety that equipment uses.
Specifically, including the following steps: the present embodiment provides a kind of surface of workpiece restoring method
S1: it using the surface blot of neutral detergent and clear water cleaning metal works 8, is then baked to obtain surface clear
Clean metal works 8；Metal works 8 after cleaning are put into entrance by the motor 66 of the sealing valve 6 at 1 top of Driver Entry section
The inside of section 1；Air inside entrance 1 is vented by the entrance inert gas intake valve 11 for then opening entrance 1 from entrance
Valve 12 is discharged；
S2: spare part is discharged by the exhaust valve 41 of cooling section furnace body 4 in the inert gas intake valve 31 for opening bringing-up section furnace body 3
Air inside section furnace body 2, bringing-up section furnace body 3 and cooling section furnace body 4, is then shut off inert gas intake valve 31, opens hydrogen
Intake valve 32 makes hydrogen full of entire burner hearth；
S3: opening the sealing valve 6 of 1 lower part of entrance, by the lifting fitting device 21 inside spare part section furnace body 2 by entrance
Metal works 8 inside section 1 are picked to the delivery track 7 of spare part section furnace body 2；
S4: metal works 8 are moved from spare part section furnace body 2 by the delivery track 7 of spare part section furnace body 2 and bringing-up section furnace body 3
It send to bringing-up section furnace body 3, then metal works 8 is heated by the heating unit 36 inside bringing-up section furnace body 3, the hydrogen in burner hearth
The oxide layer on 8 surface of metal works is restored, the oxide-free metal works 8 of surface cleaning are finally obtained；
S5: the oxide-free metal works 8 in surface are delivered to from bringing-up section furnace body 2 by cooling section furnace by rollgang 7
Body 4 is cooled down；
S6: the outlet inert gas intake valve 51 of outlet section 5 is opened, the air inside outlet section 5 is passed through into exiting exhaust gas
Valve 52 is discharged；Then the sealing valve 6 for opening 5 right part of outlet section, is moved metal works 8 from cooling section furnace body 4 by delivery track 7
It send to outlet section 5, is then shut off the sealing valve 6 of 5 right part of outlet section；
S7: opening the sealing valve 6 of 5 left end of outlet section, takes out metal works 8, obtains the oxide-free finished product of surface cleaning
Metal works 8.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case should all cover within the scope of the claims and the description of the invention.
Claims (7)
1. a kind of surface of workpiece reduction apparatus, it is characterised in that: including entrance, spare part section furnace body, bringing-up section furnace body, cold
But section furnace body and outlet section；
The entrance is sealingly mounted at the top of the spare part section furnace body, spare part section furnace body, the bringing-up section furnace body, described cold
But section furnace body and the outlet section are successively tightly connected from right to left；The top and lower part of entrance are equipped with sealing valve, entrance
Pars infrasegmentalis is equipped with the entrance inert gas intake valve above the sealing valve of entrance pars infrasegmentalis, and the top of entrance is equipped with entrance
Exhaust valve；The left end of outlet section and right part also are provided with sealing valve, and the lower part of outlet section is equipped with outlet inert gas intake valve, outlet
The top of section is equipped with exiting exhaust gas valve；Bringing-up section furnace body is equipped with hydrogen gas valve and inert gas intake valve, and cooling section furnace body is set
There is exhaust valve；
Sealing valve includes flange, sealing plate, gland, bearing, valve shaft and motor；The lower part of flange is equipped with material mouth, is equipped in flange
For sealing the sealing plate of material mouth, the size of sealing plate is adapted with the inner wall of flange, and the left and right part of sealing plate is equipped in symmetrical
Connecting hole；The top of flange sets the mounting groove there are two the connecting hole with sealing plate with center line, mounting groove and bearing adapter,
The top of valve shaft is fixedly connected with bearing, and the mounting groove that the lower end of valve shaft passes through flange is threadedly coupled with the connecting hole of sealing plate,
Fall into bearing in mounting groove；Gland is set on valve shaft and connect with the top of flange, and bearing is limited in the mounting groove of flange
It is interior；The top of valve shaft is equipped with driven gear, and driving gear, the shaft company of driving gear and motor are equipped between driven gear
It connects；
Bringing-up section furnace body includes furnace shell, furnace wall, thermal insulation material and heating unit, filled thermal insulation materials between furnace shell and furnace wall,
Heating unit is evenly arranged on inside furnace wall；The inner cavity of spare part section furnace body position corresponding with entrance is equipped with lifting fitting device, standby
Part section furnace body, bringing-up section furnace body, cooling section furnace body and outlet section inside be equipped with the rollgang being located in same horizontal line.
2. surface of workpiece reduction apparatus as described in claim 1, it is characterised in that: the material mouth of the flange and sealing plate are equal
In rectangle, the four corners rounding of sealing plate.
3. surface of workpiece reduction apparatus as described in claim 1, it is characterised in that: between the gland and the outer ring of bearing
Equipped with washer.
4. surface of workpiece reduction apparatus as described in claim 1, it is characterised in that: the cooling section furnace body includes inner housing
With cooling shell, cooling shell is connect with interior casing seal, and the cavity between cooling shell and inner housing forms ponding chamber, cooling
The lower end of shell is equipped with water inlet, and the upper end of cooling shell is equipped with water outlet.
5. surface of workpiece reduction apparatus as described in claim 1, it is characterised in that: the left and right ends of the bringing-up section furnace body
It is equipped with baffle.
6. surface of workpiece reduction apparatus as described in claim 1, it is characterised in that: the exhaust valve is located at cooling section furnace body
Left end.
7. a kind of surface of workpiece restoring method, which is characterized in that use the metal work as described in any one of claim 1 to 6
Part surface reduction device, includes the following steps:
S1: it using the surface blot of neutral detergent and clear water cleaning metal works, is then baked to obtain surface cleaning
Metal works；Metal works after cleaning are put into the inside of entrance by the motor of the sealing valve at the top of Driver Entry section；So
Air inside entrance is discharged the entrance inert gas intake valve for opening entrance afterwards from entrance exhaust valve；
S2: the inert gas intake valve for opening bringing-up section furnace body is discharged spare part section furnace body by the exhaust valve of cooling section furnace body, adds
The air of hot arc furnace body and cooling section furnace interior is then shut off inert gas intake valve, opens hydrogen gas valve, fills hydrogen
Full entire burner hearth；
S3: opening the sealing valve of entrance pars infrasegmentalis, will be inside entrance by the lifting fitting device of spare part section furnace interior
Metal works are picked to the delivery track of spare part section furnace body；
S4: metal works are transferred to from spare part section furnace body by bringing-up section by the delivery track of spare part section furnace body and bringing-up section furnace body
Furnace body, then metal works are heated by the heating unit of bringing-up section furnace interior, the hydrogen in burner hearth is to surface of workpiece
Oxide layer restored, finally obtain the oxide-free metal works of surface cleaning；
S5: by rollgang by the oxide-free metal works in surface from bringing-up section furnace body be delivered to cooling section furnace body carry out it is cold
But；
S6: opening the outlet inert gas intake valve of outlet section, and the air inside outlet section is discharged by exiting exhaust gas valve；So
Metal works, are transferred to inside outlet section by the sealing valve for opening outlet section right part afterwards by delivery track from cooling section furnace body,
It is then shut off the sealing valve of outlet section right part；
S7: opening the sealing valve of outlet section left end, takes out metal works, obtains the oxide-free finished metal work of surface cleaning
Part.
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| CN201710226660.5A CN106894034B (en) | 2017-04-09 | 2017-04-09 | A kind of surface of workpiece reduction apparatus and its method |
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| CN201710226660.5A CN106894034B (en) | 2017-04-09 | 2017-04-09 | A kind of surface of workpiece reduction apparatus and its method |
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