CN106894034A - 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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- CN106894034A CN106894034A CN201710226660.5A CN201710226660A CN106894034A CN 106894034 A CN106894034 A CN 106894034A CN 201710226660 A CN201710226660 A CN 201710226660A CN 106894034 A CN106894034 A CN 106894034A
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- heater
- section body
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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
Abstract
The invention discloses a kind of surface of workpiece reduction apparatus and its method, the device includes entrance, spare part section body of heater, bringing-up section body of heater, cooling section body of heater and outlet section；The entrance is sealingly mounted at the top of the spare part section body of heater, and spare part section body of heater, the bringing-up section body of heater, the cooling section body of heater and the outlet section are tightly connected successively from right to left；The heating unit of bringing-up section body of heater is distributed on inside furnace wall；The inner chamber position corresponding with entrance of spare part section body of heater is provided with lifting fitting device, and the inside of spare part section body of heater, bringing-up section body of heater, cooling section body of heater and outlet section is provided with the rollgang in same horizontal line.The achievable continuous prodution of the present invention; ensure that operating efficiency; reduce hand labor intensity; the oxide layer of surface of workpiece is reduced using hydrogen simultaneously; the metal works of surfacing can be obtained; and it is effectively protected the environment of surrounding, it is to avoid and the secondary loss of metal, improve the utilization rate of metal.
Description
Technical field
The present invention relates to ashtray field, more particularly to a kind of surface of workpiece reduction apparatus and its method.
Background technology
The process that carbon dioxide, water and oxygen in the oxidation of metal and furnace gas or air react, and oxide skin
It is the product after the high temperature of metal surface, metal is aoxidized slowly, when temperature increases to 700 DEG C to 850 DEG C when less than 200 DEG C
When oxidation rate start accelerate, when temperature rises to 1000 DEG C, oxidation rate steeply rises.
The presence of oxidation on metal surface skin can cause metal loss, while accelerate the corrosion rate of metallic matrix, so as to drop
The low service life of metal.And the method for removing oxidation on metal surface skin includes two kinds, one kind is pickling, and two is mechanical place
Reason.Pickling is the oxide skin and corrosion thing that metal surface is removed using acid solution, but the method can bring pollution to environment.
Mechanical treatment is using emery wheel or just to have brushed away oxide skin and corrosion thing except metal surface, but the method labour intensity is big,
Some fresh metals can also be buffed off, and cause the secondary loss of metal, and metal has the uneven phenomenon of polishing.
The content of the invention
For defect of the prior art, the present invention provides surface of workpiece reduction apparatus and its method, effectively protects
Surrounding environment is protected, hand labor intensity has been reduced, it is to avoid the secondary loss of metal, it is to avoid metal surface polishing is uneven
Phenomenon, while ensure that operating efficiency.
A kind of surface of workpiece reduction apparatus, including entrance, spare part section body of heater, bringing-up section body of heater, cooling section body of heater
And outlet section；The entrance is sealingly mounted at the top of spare part section body of heater, spare part section body of heater, the bringing-up section body of heater,
The cooling section body of heater and the outlet section are tightly connected successively from right to left；The top and bottom of entrance are equipped with sealing
Valve, entrance pars infrasegmentalis is provided with the entrance inert gas intake valve above the sealing valve of entrance pars infrasegmentalis, the top of entrance
It is provided with entrance air bleeding valve；The left end and right part of outlet section also are provided with sealing valve, and the bottom of outlet section is provided with outlet inert gas and enters
Air valve, is provided with exiting exhaust gas valve above outlet section；Bringing-up section body of heater is provided with hydrogen gas valve and inert gas intake valve, cooling
Section body of heater is provided with air bleeding valve；Sealing valve includes flange, sealing plate, gland, bearing, valve shaft and motor；The bottom of flange is provided with material
Mouthful, the sealing plate for sealing material mouth is provided with flange, the size of sealing plate is adapted with the inwall of flange, the left and right of sealing plate
Portion is provided with symmetrical connecting hole；The top of flange is provided with two with the connecting hole of sealing plate with the mounting groove of center line, installs
Groove and bearing adapter, the top of valve shaft are 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, bearing is fallen into mounting groove；Gland is set on valve shaft and is connected with the top of flange, and bearing is limited in
In the mounting groove of flange；Driven gear is provided with the top of valve shaft, driving gear, driving gear and electricity are equipped between driven gear
The rotating shaft connection of machine；Bringing-up section body of heater includes furnace shell, furnace wall, insulation material and heating unit, filled thermal insulation materials in furnace shell and
Between furnace wall, heating unit is distributed on inside furnace wall；The inner chamber position corresponding with entrance of spare part section body of heater is provided with lifting and connects
Part device, the inside of spare part section body of heater, bringing-up section body of heater, cooling section body of heater and outlet section is provided with defeated in same horizontal line
Send roller-way.
The inside of spare part section body of heater of the invention, bringing-up section body of heater and cooling section body of heater is filled with after being emptied through inert gas
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, be then shut off
Sealing valve at the top of entrance, then entrance inside is made full of indifferent gas by entrance inert gas intake valve and entrance air bleeding valve
Body；The sealing valve of entrance pars infrasegmentalis is opened, the metal works inside entrance are transferred to spare part section by lifting fitting device
On the delivery track of furnace interior, then metal works are delivered to bringing-up section furnace interior and are carried out by heating unit by delivery track
There is reduction reaction in heating, oxide layer and the hydrogen in burner hearth of surface of workpiece, so as to remove the oxygen of surface of workpiece
Change skin；Then the oxide-free metal works in surface are transferred into cooling section body of heater to be cooled down；The outlet for opening outlet section is lazy
Property gas inlet valve and exiting exhaust gas valve, the air inside outlet section is emptied, then opens the sealing valve of outlet section right part,
Metal works after cooling are delivered to inside outlet section by rollgang, the sealing valve of outlet section right part is then shut off, 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.
The achievable continuous prodution of the present invention, it is ensured that operating efficiency, reduces hand labor intensity, while using hydrogen
Oxide layer to surface of workpiece is reduced, and can obtain the metal works of surfacing, and is effectively protected surrounding
Environment, it is to 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 air bleeding valve of entrance, and the outlet inert gas intake valve of outlet section are arranged with outlet
Air valve, it is ensured that when putting part and pickup, entrance and outlet section inside is without air and full of inert gas, it is to avoid air leads to
The sealing valve of the sealing valve and outlet section right part of crossing entrance pars infrasegmentalis enters furnace interior, security incident is caused, so as to improve
The security that equipment is used.The rotating shaft of motor drives driving gear rotation, and driving gear drives driven gear rotation, so as to realize
The rotation of the valve shaft being connected with driven gear；And valve shaft and sealing plate are threadedly coupled, there is no the position of longitudinal direction or transverse direction in valve shaft
Move, sealing plate sliding axially along valve shaft inside flange is capable of achieving, so as to realize the opening and closing to flange material mouth.Sealing
Valve improves what sealing plate was moved inside flange using the design in the dual link hole of double driven gears, bivalve axle and sealing plate
Stability.The design of gland can avoid bearing from driving valve shaft to scurry out the phenomenon of flange mounting groove, it is ensured that the normal work of sealing valve
Make.
Preferably, the material mouth of the flange is rectangular with sealing plate, four corner roundings of sealing plate, can avoid sealing
The corner of plate scrapes with flange inner wall, causes the phenomenon of interim card, so as to improve the stability of sealing plate movement.
Preferably, packing ring is provided between the gland and the outer ring of bearing, efficiently avoid bearing in mounting groove
Play.
Preferably, the cooling section body of heater includes inner housing and cooling housing, and cooling housing is connected with interior casing seal, cold
But the cavity between housing and inner housing forms ponding chamber, and the lower end for cooling down housing is provided with water inlet, and the upper end for cooling down housing sets
There is delivery port.Cool down the design of the water inlet and delivery port of housing, it is ensured that be full of in cooling housing and the ponding chamber of inner housing
Cooling water, and realize the continuous replacing of cooling water, it is ensured that the cooling effectiveness of cooling section body of heater.
Preferably, the left and right two ends of the bringing-up section body of heater are equipped with baffle plate, it is ensured that the hydrogen of bringing-up section furnace interior
Amount, it is to avoid a large amount of hydrogen of bringing-up section furnace interior flow to the inside of spare part section body of heater and cooling section body of heater, improve hydrogen
The utilization rate of gas.
Preferably, the air bleeding valve is located at the left end of cooling section body of heater.
A kind of surface of workpiece restoring method, it is using surface of workpiece reduction apparatus as described above including as follows
Step：
S1：The surface blot of metal works is cleaned using neutral detergent and clear water, is then baked to obtain surface clear
Clean metal works；The motor of the sealing valve at the top of Driver Entry section, the metal works after cleaning are put into entrance
Portion；Then the entrance inert gas intake valve of entrance is opened, the air inside entrance is discharged from entrance air bleeding valve；
S2：The inert gas intake valve for opening bringing-up section body of heater discharges spare part section stove by the air bleeding valve of cooling section body of heater
The air of body, bringing-up section body of heater and cooling section furnace interior, is then shut off inert gas intake valve, opens hydrogen gas valve, makes
Hydrogen is full of whole burner hearth；
S3：The sealing valve of entrance pars infrasegmentalis is opened, by the lifting fitting device of spare part section furnace interior by entrance
The metal works in portion are picked to the delivery track of spare part section body of heater；
S4：Metal works are transferred to from spare part section body of heater by the delivery track of spare part section body of heater and bringing-up section body of heater are added
Hot arc body of heater, 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 reduced, and finally obtains the oxide-free metal works of surface cleaning；
S5：The oxide-free metal works in surface are delivered into cooling section body of heater from bringing-up section body of heater by rollgang to enter
Row cooling；
S6：The outlet inert gas intake valve of outlet section is opened, the air inside outlet section is arranged by exiting exhaust gas valve
Go out；Then the sealing valve of outlet section right part is opened, metal works is transferred to by outlet section from cooling section body of heater by delivery track
Inside, is then shut off the sealing valve of outlet section right part；
S7：The sealing valve of outlet section left end is opened, metal works are taken out, the oxide-free finished metal of surface cleaning is obtained
Workpiece.
Beneficial effects of the present invention are embodied in：
The achievable continuous prodution of the present invention, it is ensured that operating efficiency, reduces hand labor intensity, while using hydrogen
Oxide layer to surface of workpiece is reduced, and can obtain the metal works of surfacing, and is effectively protected surrounding
Environment, it is to 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 air bleeding valve of entrance, and the outlet inert gas intake valve of outlet section are arranged with outlet
Air valve, it is ensured that when putting part and pickup, entrance and outlet section inside is without air and full of inert gas, it is to avoid air leads to
The sealing valve of the sealing valve and outlet section right part of crossing entrance pars infrasegmentalis enters furnace interior, security incident is caused, so as to improve
The security that equipment is used.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method is briefly described.In all of the figs, similar element or part are general by class
As reference mark.In accompanying drawing, each element or part might not draw according to actual ratio.
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the structural representation of the present embodiment sealing valve.
In accompanying drawing, 1- entrances, 11- entrance inert gas intake valves, 12- entrance air bleeding valves, 2- spare parts section body of heater, 21-
Device, 3- bringing-up section bodies of heater, 31- inert gas intake valves, 32- hydrogen gas valves, 33- furnace shells, 34- furnace walls, 35- are met in lifting
Insulation material, 36- heating units, 37- baffle plates, 4- cooling section bodies of heater, 41- air bleeding valves, 42- inner housings, 43- cooling housings, 44-
Water inlet, 45- delivery ports, 5- outlet sections, 51- outlet inert gas intake valves, 52- exiting exhaust gas valves, 6- sealing valves, 61- methods
Orchid, 611- material mouths, 62- sealing plates, 621- connecting holes, 63- glands, 64- bearings, 65- valve shafts, 66- motors, 67- driven gears,
68- driving gears, 7- rollgangs, 8- metal works
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is only used as example, and the protection model of this patent can not be limited with this
Enclose.
As depicted in figs. 1 and 2, present embodiment discloses a kind of surface of workpiece reduction apparatus and its method, the device
Including entrance 1, spare part section body of heater 2, bringing-up section body of heater 3, cooling section body of heater 4 and outlet section 5.Entrance 1 is sealingly mounted at standby
The top of part section body of heater 2, spare part section body of heater 2, bringing-up section body of heater 3, cooling section body of heater 4 and outlet section 5 are sealed successively from right to left
Connection；The top and bottom of entrance 1 are equipped with sealing valve 6, and the bottom of entrance 1 is provided with the sealing valve 6 positioned at the bottom of entrance 1
The entrance inert gas intake valve 11 of top, the top of entrance 1 is provided with entrance air bleeding valve 12；The left end and right part of outlet section 5
Sealing valve 6 also is provided with, the bottom of outlet section 5 is provided with outlet inert gas intake valve 51, and the top of outlet section 5 is provided with exiting exhaust gas
Valve 52；Bringing-up section body of heater 3 is provided with hydrogen gas valve 32 and inert gas intake valve 31, and cooling section body of heater 4 is provided with air bleeding valve 41, row
Air valve 41 is located at the left end of cooling section body of heater 4.Bringing-up section body of heater 3 includes furnace shell 33, furnace wall 34, insulation material 35 and heating unit
36, insulation material 35 is filled between furnace shell 33 and furnace wall 34, and heating unit 36 is distributed on inside furnace wall 34.Spare part section body of heater 2
Inner chamber and the corresponding position of entrance 1 be provided with lifting fitting device 21, spare part section body of heater 2, bringing-up section body of heater 3, cooling section stove
The inside of body 4 and outlet section 5 is provided with the rollgang 7 in same horizontal line.
Cooling section body of heater 4 includes inner housing 42 and cooling housing 43, and cooling housing 43 is tightly connected with inner housing 42, cools down
Cavity between housing 43 and inner housing 42 forms ponding chamber, and the lower end for cooling down housing 43 is provided with water inlet 44, cools down housing 43
Upper end be provided with delivery port 45.Cool down housing 43 water inlet 44 and delivery port 45 design, it is ensured that cooling housing 43 with it is interior
Cooling water is full of in the ponding chamber of housing 42, and realizes the continuous replacing of cooling water, it is ensured that the cooling of cooling section body of heater 4
Efficiency.The left and right two ends of bringing-up section body of heater 3 are equipped with baffle plate 37, it is ensured that the amounts of hydrogen inside bringing-up section body of heater 3, it is to avoid plus
A large amount of hydrogen inside hot arc body of heater 3 flow to the inside of spare part section body of heater 2 and cooling section body of heater 4, improve the profit of hydrogen of knowing clearly
With rate.
Sealing valve 6 includes flange 61, sealing plate 62, gland 63, bearing 64, valve shaft 65 and motor 66；The bottom of flange 61
The sealing plate 62 being provided with for sealing material mouth 611 is provided with material mouth 611, flange 61, and the size of sealing plate 62 is interior with flange 61
Wall is adapted, and the left and right portion of sealing plate 62 is provided with symmetrical connecting hole 621.The material mouth 611 of flange 61 is in sealing plate 62
Rectangle, four corner roundings of sealing plate 62, the corner and the inwall of flange 61 that can avoid sealing plate 62 scrapes, and causes interim card
Phenomenon, so as to improve sealing plate 62 movement stability.The top of flange 61 is provided with the connecting hole of two and 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
Lower end is threadedly coupled through the mounting groove of flange 61 with the connecting hole 621 of sealing plate 62, bearing 64 is fallen into mounting groove；Gland
63 tops for being set on valve shaft 65 with flange 61 are connected, and bearing 64 is limited in the mounting groove of flange 61, gland 63 and axle
Packing ring is provided between the outer ring for holding 64, play of the bearing 64 in mounting groove is efficiently avoid；The top of valve shaft 65 be provided with from
Moving gear 67, is equipped with driving gear 68 between driven gear 67, driving gear 68 is connected with the rotating shaft of motor 66.Motor 66
Rotating shaft drives driving gear 68 to rotate, and driving gear 68 drives driven gear 67 to rotate, so as to realize being connected with driven gear 67
Valve shaft 65 rotation；And valve shaft 65 and sealing plate 62 are threadedly coupled, there is no the displacement of longitudinal direction or transverse direction in valve shaft 65, can be real
Existing the sliding axially along valve shaft 65 inside flange 61 of sealing plate 62, so as to realize the opening and closing to the material mouth 611 of flange 61.
Sealing valve 6 improves sealing plate 62 using the design in the dual link hole 621 of double driven gears 67, bivalve axle 65 and sealing plate 62
The stability moved inside flange 61.The design of gland 63 can avoid bearing 64 from driving valve shaft 65 to scurry out the mounting groove of flange 61
Phenomenon, it is ensured that the normal work of sealing valve 6.
The inside of spare part section body of heater 2 of the invention, bringing-up section body of heater 3 and cooling section body of heater 4 is filled after being emptied through inert gas
Hydrogen is expired；The sealing valve 6 at the top of entrance 1 is opened, the metal works 8 for removing surface blot is put into the inside of entrance 1,
The sealing valve 6 at the top of entrance 1 is then shut off, then entrance is made by entrance inert gas intake valve 11 and entrance air bleeding valve 12
1 inside is full of inert gas；The sealing valve 3 of the bottom of entrance 1 is opened, by lifting fitting device 21 by inside entrance 1
Metal works 8 are transferred on the delivery track 7 inside spare part section body of heater 1, and then metal works 8 are delivered to heating by delivery track 7
The inside of section body of heater 3 is heated by heating unit 36, and oxide layer and the hydrogen in burner hearth on the surface of metal works 8 are reduced
Reaction, so as to remove the oxide skin on the surface of metal works 8；Then the oxide-free metal works 8 in surface are transferred to cooling section
Body of heater 4 is cooled down；The outlet inert gas intake valve 51 and exiting exhaust gas valve 2 of outlet section 5 are opened, inside outlet section 5
Air is emptied, then opens the sealing valve 6 of the right part of outlet section 5, and the metal works 8 after cooling are conveyed by rollgang 7
To outlet section 5, the sealing valve 6 of the right part of outlet section 5, then the taking-up metal of sealing valve 6 for opening the left end of outlet section 5 are then shut off
Workpiece 8, obtains the oxide-free finished product of metal works 8 of surface cleaning.The achievable continuous prodution of the present invention, it is ensured that work effect
Rate, reduces hand labor intensity, while being reduced to the oxide layer of surface of workpiece using hydrogen, can obtain surface and put down
Whole metal works, and be effectively protected the environment of surrounding, it is to avoid the secondary loss of metal, improve the utilization of metal
Rate.The design of the sealing valve 6 of entrance 1 and outlet section 5, the entrance inert gas intake valve 11 and entrance air bleeding 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 the inside of outlet section 5 without air and full of inert gas, it is to avoid sealing valve 6 and outlet of the air by the bottom of entrance 1
The sealing valve 6 of 5 right parts of section enters furnace interior, security incident is caused, so as to improve the security that equipment is used.
Specifically, the present embodiment provides a kind of surface of workpiece restoring method, comprise the following steps：
S1：The surface blot of metal works 8 is cleaned using neutral detergent and clear water, 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 the top of Driver Entry section 1
The inside of section 1；Then the entrance inert gas intake valve 11 of entrance 1 is opened, the air inside entrance 1 is vented from entrance
Valve 12 is discharged；
S2：The inert gas intake valve 31 for opening bringing-up section body of heater 3 discharges spare part by the air bleeding valve 41 of cooling section body of heater 4
Air inside section body of heater 2, bringing-up section body of heater 3 and cooling section body of heater 4, is then shut off inert gas intake valve 31, opens hydrogen
Intake valve 32, makes hydrogen be full of whole burner hearth；
S3：The sealing valve 6 of entrance 1 bottom is opened, by the lifting fitting device 21 inside spare part section body of heater 2 by entrance
Metal works 8 inside section 1 are picked to the delivery track 7 of spare part section body of heater 2；
S4：Metal works 8 are moved from spare part section body of heater 2 by the delivery track 7 of spare part section body of heater 2 and bringing-up section body of heater 3
Bringing-up section body of heater 3 is delivered to, then metal works 8 is heated by the heating unit 36 inside bringing-up section body of heater 3, the hydrogen in burner hearth
Oxide layer to the surface of metal works 8 is reduced, and finally obtains the oxide-free metal works 8 of surface cleaning；
S5：The oxide-free metal works 8 in surface are delivered to by cooling section stove from bringing-up section body of heater 2 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 of the right part of outlet section 5 is opened, metal works 8 are moved from cooling section body of heater 4 by delivery track 7
Deliver to inside outlet section 5, be then shut off the sealing valve 6 of the right part of outlet section 5；
S7：The sealing valve 6 of the left end of outlet section 5 is opened, metal works 8 are taken out, the oxide-free finished product of surface cleaning is obtained
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
The present invention has been described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are carried out
Equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case, it all should cover in the middle of the scope of claim of the invention and specification.
Claims (7)
1. a kind of surface of workpiece reduction apparatus, it is characterised in that：Including entrance, spare part section body of heater, bringing-up section body of heater, cold
But section body of heater and outlet section；
The entrance is sealingly mounted at the top of spare part section body of heater, spare part section body of heater, the bringing-up section body of heater, described cold
But section body of heater and the outlet section are tightly connected successively from right to left；The top and bottom of entrance are equipped with sealing valve, entrance
Pars infrasegmentalis is provided with the entrance inert gas intake valve above the sealing valve of entrance pars infrasegmentalis, and the top of entrance is provided with entrance
Air bleeding valve；The left end and right part of outlet section also are provided with sealing valve, and the bottom of outlet section is provided with outlet inert gas intake valve, outlet
The top of section is provided with exiting exhaust gas valve；Bringing-up section body of heater is provided with hydrogen gas valve and inert gas intake valve, and cooling section body of heater sets
There is air bleeding valve；
Sealing valve includes flange, sealing plate, gland, bearing, valve shaft and motor；The bottom of flange is provided with material mouth, is provided with flange
Sealing plate for sealing material mouth, the size of sealing plate is adapted with the inwall of flange, and the left and right portion of sealing plate is provided with symmetrical
Connecting hole；The top of flange be provided with two with the connecting hole of sealing plate with center line mounting groove, mounting groove and bearing adapter,
The top of valve shaft is fixedly connected with bearing, and the lower end of valve shaft is threadedly coupled through the mounting groove of flange with the connecting hole of sealing plate,
Bearing is set to fall into mounting groove；Gland is set on valve shaft and is connected with the top of flange, and bearing is limited in the mounting groove of flange
It is interior；Driven gear is provided with the top of valve shaft, driving gear is equipped between driven gear, driving gear connects with the rotating shaft of motor
Connect；
Bringing-up section body of heater include furnace shell, furnace wall, insulation material and heating unit, filled thermal insulation materials between furnace shell and furnace wall,
Heating unit is distributed on inside furnace wall；The inner chamber position corresponding with entrance of spare part section body of heater is provided with lifting fitting device, standby
The inside of part section body of heater, bringing-up section body of heater, cooling section body of heater and outlet section is provided with the rollgang in same horizontal line.
2. surface of workpiece reduction apparatus as claimed in claim 1, it is characterised in that：The material mouth of the flange is equal with sealing plate
It is rectangular, four corner roundings of sealing plate.
3. surface of workpiece reduction apparatus as claimed in claim 1, it is characterised in that：Between the gland and the outer ring of bearing
It is provided with packing ring.
4. surface of workpiece reduction apparatus as claimed in claim 1, it is characterised in that：The cooling section body of heater includes inner housing
With cooling housing, cool down housing and be connected with interior casing seal, the cavity between cooling housing and inner housing forms ponding chamber, cooling
The lower end of housing is provided with water inlet, and the upper end for cooling down housing is provided with delivery port.
5. surface of workpiece reduction apparatus as claimed in claim 1, it is characterised in that：The left and right two ends of the bringing-up section body of heater
It is equipped with baffle plate.
6. surface of workpiece reduction apparatus as claimed in claim 1, it is characterised in that：The air bleeding valve is located at cooling section body of heater
Left end.
7. a kind of surface of workpiece restoring method, it is characterised in that use the metal work as described in any one of claim 1 to 7
Part surface reduction device, comprises the following steps：
S1：The surface blot of metal works is cleaned using neutral detergent and clear water, is then baked to obtain surface cleaning
Metal works；The motor of the sealing valve at the top of Driver Entry section, the metal works after cleaning are put into the inside of entrance；So
The entrance inert gas intake valve of entrance is opened afterwards, and the air inside entrance is discharged from entrance air bleeding valve；
S2：The inert gas intake valve for opening bringing-up section body of heater is discharged spare part section body of heater, is added by the air bleeding valve of cooling section body of heater
The air of hot arc body of heater and cooling section furnace interior, is then shut off inert gas intake valve, opens hydrogen gas valve, fills hydrogen
Full whole burner hearth；
S3：The sealing valve of entrance pars infrasegmentalis is opened, by the lifting fitting device of spare part section furnace interior by inside entrance
Metal works are picked to the delivery track of spare part section body of heater；
S4：Metal works are transferred to by bringing-up section from spare part section body of heater by the delivery track of spare part section body of heater and bringing-up section body of heater
Body of heater, 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 reduced, 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 body of heater be delivered to cooling section body of heater carry out it is cold
But；
S6：The outlet inert gas intake valve of outlet section is opened, the air inside outlet section is discharged by exiting exhaust gas valve；So
The sealing valve of outlet section right part is opened afterwards, and metal works are transferred to inside outlet section from cooling section body of heater by delivery track,
It is then shut off the sealing valve of outlet section right part；
S7：The sealing valve of outlet section left end is opened, metal works are taken out, the oxide-free finished metal work of surface cleaning is obtained
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN106894034A true CN106894034A (en) | 2017-06-27 |
| CN106894034B CN106894034B (en) | 2018-12-04 |
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