CN201362739Y - Metallic titanium coiled material vacuum thermal treatment furnace - Google Patents
Metallic titanium coiled material vacuum thermal treatment furnace Download PDFInfo
- Publication number
- CN201362739Y CN201362739Y CNU2009201141251U CN200920114125U CN201362739Y CN 201362739 Y CN201362739 Y CN 201362739Y CN U2009201141251 U CNU2009201141251 U CN U2009201141251U CN 200920114125 U CN200920114125 U CN 200920114125U CN 201362739 Y CN201362739 Y CN 201362739Y
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- China
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- furnace
- coiled material
- shaft
- heat treatment
- metallic titanium
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Abstract
The utility model discloses a metallic titanium coiled material vacuum thermal treatment furnace, which comprises a vacuumizing system, an electrical heating system, an internal recycle cooling system, and an inspection monitoring and operating system. The furnace body comprises an upper furnace cover, a furnace shaft and a lower furnace base movably connected with the furnace shaft; the furnace shaft is internally provided with a hearth enclosed by a plurality of layers of heat insulation reflecting screens; the inner wall of the hearth is provided with electrical heating components; temperature monitoring elements are arranged among the electrical heating components; the furnace shaft is arranged on a rack; the lower furnace base is internally provided with a material bearing plate and arranged on a furnace bottom lifter; and the rising or falling of the furnace bottom lifter arranged under the rack leads the lower furnace base and the furnace shaft to be seal-closed or separated. The metallic titanium coiled material vacuum thermal treatment furnace can improve the heat treatment efficiency, reduce the product cost and process large amount of metallic titanium at one time, with the color of the processed products to be bright. Synchronously when conducting heat treatment on titanium coiled material, the layers cannot be bonded together, thus guaranteeing that the hardness of each part of the coiled material is even. The vacuum thermal treatment furnace has short heat treatment time and high work efficiency.
Description
Technical field
The utility model relates to the equipment in a kind of metal heat treatmet field, specifically is a kind of metal titanium vacuum heat treatment furnace.
Background technology
Titanium or titanium alloy intensity height, high temperature resistant, good corrosion resistance has good low-temperature flexibility, biocompatibility, thereby be widely used in fields such as national defence, chemical industry, the energy, aerospace and biotechnology.But titanium is in the course of processing, can occur the phenomenon of work hardening after rolling, drawing, and easy and many material generation adhesive wears are used widely thereby limited it.
Titanium can produce work hardening adding man-hour, and plasticity reduces.Can eliminate work hardening and can produce recrystallize by annealing, make material softening, plasticity improves.Wherein do not produce recrystallize, just eliminate the processing strained and be called stress relieving.In order to improve solidity to corrosion and to add the corrosion resistance of surface in man-hour and utilize the surface colour of its interference color to handle, also oxide treatment is carried out on the surface of titanium sometimes.
Through the literature search of prior art is found, thunderclap etc. are at " rare metal ", " the thermal treatment process research of accurate special-shaped titanium material processing " delivered on the phase 126-130 page or leaf in 2007 the 31st: accurate special-shaped titanium material heat-treating process is studied.Select the external-heat vacuum annealing furnace, accurate special-shaped titanium material is carried out anneal.Concrete technological process can be divided into two stages: the pre-treatment before the thermal treatment comprises cleaning, alkali cleaning, pickling.Purpose is to remove oxide skin, air suction layer and the residual pollutents such as lubricant of material surface; Annealing process is determined in the heat treatment process vacuum annealing, the titanium material is carried out vacuum annealing handle.Its shortcoming is: power is little, and each heat treated titanium material amount is less, and efficient is low, and investment and unit cost are all very big.Secondly, the vacuum tightness of vacuum oven is had relatively high expectations, the pre-treatment before the thermal treatment is complicated.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of large-scale vacuum Equipment for Heating Processing, by this large-scale vacuum Equipment for Heating Processing, can a large amount of metal titanium and the alloys thereof of disposable processing, product colour after the processing keeps light, when the titanium coiled material is heat-treated, can not bond together between layer and the layer, guarantee that coiled material each several part hardness is even.
The metallic titanium coiled material vacuum heat treatment furnace, it comprises pumped vacuum systems, electric heating system, internal recycle cooling system, detects monitoring and operating system, it is characterized in that body of heater comprise bell, shaft and can with the lower furnace base of shaft flexible connection; Establish the burner hearth that the multilayer insulation radiation shield surrounds in the shaft, establish electric heating assembly on the inboard wall of burner hearth, establish the temperature monitoring element between the electric heating assembly, shaft is located on the stand, establish the material load-bearing plate in the lower furnace base, lower furnace base is located at the rising or the decline of the furnace bottom elevator under the stand on the furnace bottom elevator, make lower furnace base with the shaft seal closure or separate.
The utility model is low at present metal titanium heat treatment furnace efficient, can only handle the little metal titanium at every turn, and the cost of unit product is very high, and the deficiency of the very high aspect of vacuum tightness requirement, provides a kind of than more excellent metal titanium heat treating method.Can improve heat treatment efficiency greatly, reduce the cost of product, can a large amount of metal titanium of disposable processing, and also the product colour after handling keeps light.When simultaneously the titanium coiled material being heat-treated, can not bond together between layer and the layer, guarantee that coiled material each several part hardness is even.This invention time needed by heat treatment is short, high efficiency.All have higher efficient and lower unit cost than most at present metal titanium heat treatment furnaces.The utility model can carry out vacuum heat treatment to metal titanium volume and cold rolling titanium material.
Description of drawings
Fig. 1 is the vacuum heat treatment furnace system construction drawing.
Fig. 2 is the body of heater sectional view.
Fig. 3 is lower furnace base and elevator synoptic diagram, and wherein a represents the hydraulic levels running gear, and b represents hydraulic lifting.
Fig. 4 is the pumped vacuum systems synoptic diagram.
Fig. 5 is an internal recycle cooling system synoptic diagram.
Embodiment
Vacuum heat treatment furnace system architecture shown in Figure 1 comprises body of heater 1, supports the stand 2 of body of heater, and elevator 3 moves horizontally materials vehicle 4, internal recycle cooling system 5, and pumped vacuum systems 6, the body water-cooling recycle system 7 detects monitoring and operating system and does not retouch out in the drawings.
Body of heater 1 comprises bell 16, shaft 17 and lower furnace base 18.
The heat insulating reflecting screen 101 of last bell adopts the form of all-metal heat insulating reflecting screen, is made up of four layers of high temperature resistant stainless steel plate and one deck heat-resistance stainless steel plate fixed frame.
Explosion-proof equipment 9 be used for when cooling when charging into argon pressure in the stove when too high, releasing pressure automatically starts voluntarily and guarantees work safety;
A temperature thermocouple 13 puts in the burner hearth in the middle of being contained in bell 16, to measure the temperature of material spare heart portion.
Shaft 17 is equipped with double hull, heat insulating reflecting screen 102, electric heating assembly 11 and temperature-control heat couple 14 etc.
Furnace body wall adopts double-deck double wall structure, form by outer furnace tube in double-deck and ring flange assembly welding, interlayer internal recycle water coolant cools off, interior stove tube and ring flange adopt the manufacturing of high-quality stainless material, glossing in inwall adopts, last bell 16 connects a plurality of bolt fastening structures of employing with shaft 17, and lower furnace base 18 connects a plurality of removable seal fastenings of employing with shaft 17 and connects;
Heat insulating reflecting screen 102 adopts the form of all-metal heat insulating reflecting screen, is made up of four layers of high temperature resistant stainless steel plate and one deck heat-resistance stainless steel plate fixed frame.Be provided with some fast cold tuyeres in the thermoscreen bottom, equipment can make air-flow evenly spray to the thermal treatment object when carrying out fast cold technology; And being provided with some fast cold jet refluxing openings on thermoscreen top, equipment can make air-flow evenly be back to internal cooling recirculation blower ingress when carrying out fast cold technology;
Referring to shown in Figure 3, lower furnace base 18 comprises furnace base, heat insulating reflecting screen 103 and material load-bearing plate rail 15.
Furnace base adopts double-deck double wall structure, form by double-deck standard sealing head and ring flange assembly welding, interlayer internal recycle water coolant cools off, interior end socket and ring flange adopt the manufacturing of high-quality stainless material, glossing in interior end socket inwall adopts, lower furnace base connects a plurality of detachable airtight fastening syndetons of employing with heating furnace body;
Material load-bearing plate 15 is a ceramic, is used for placing the thermal treatment part, and it is pollution-free to thermal treatment part and burner hearth.
Heat insulating reflecting screen 10 comprise in the bell 16 and the screen of the circular plate type heat insulating reflectings in the lower furnace base 18 101 and 103 and shaft 17 in annulus wall heat insulating reflectings shield 102, upper and lower plectane covers the formation heating furnace mutually with the annulus wall.
Stand 2 adopts shaped steel and steel plate seam to form, be used for supporting comprising bell and furnace body structure, on one side about stand is equipped with the operative employee ladder, be used for handled easily and maintenance.
Furnace base elevator 3 adopts hydraulicefficiency elevation structures, supports lower furnace base 18, material load-bearing plate 15 and materials 12 with oil cylinder piston 31, is used for the usefulness of elevator furnace base and material to be processed.Elevator about 3 is made furnace base carry out oscilaltion along fixed guide rail pole 21 and also can accurately be located automatically by the liner of being made up of guiding cross bar 23, pilot bearing 22 and tail rod 21.Hydraulic ram 32 is located at 24 li of melt pits under the stand 2, so that oil cylinder piston is when dropping to lower-most point, lower furnace base is just in time put to be placed on and moved horizontally on the materials vehicle.
Materials vehicle 4 adopts hydraulic levels push-pull mechanism 43 to move furnace base loading and unloading material by horizontal rail 42 carryings, makes things convenient for material handling.
Referring to shown in Figure 4, vacuum system 6 is made up of mechanical pump 61, lobe pump 62, diffusion pump 63, vacuum pipe and valve etc.Mechanical pump 61 and lobe pump 62 polyphones, lobe pump 62 and diffusion pump 63 polyphones, diffusion pump 63 is connected in shaft 17 air inlet/outlets.
The working order of pumped vacuum systems is: at first begin to vacuumize with mechanical pump, because mechanical pump self, vacuum tightness does not reach requirement.This moment mechanical pump valve closes.The valve open of diffusion pump begins to continue to vacuumize.It is the vacuum pump that utilizes the oil vapour jet of low pressure, high speed and directed flow to bleed.The highest attainable vacuum of this pump is 10
-4～10
-5Handkerchief, working pressure range are 10
-1～10
-4Handkerchief, pumping speed scope are tens to tens0000 liters/second.Oil diffusion pump is the major equipment that obtains high vacuum, needs only vacuum tightness in the used vacuum oven and reaches 6.67 * 10
-3Handkerchief just can satisfy the demand of equipment;
Referring to shown in Figure 5, internal recycle cooling system 5 comprises argon gas intake valve 50, heat exchanger 51, Pneumatic vacuum valve 52, vacuum pressure gauge 54, high pressure positive blower 55 and airduct road 53.Argon gas is introduced in the burner hearth of body of heater by high pressure positive blower 55, behind heat exchanger 51 heat-shifts outside body of heater 1, through Pneumatic vacuum valve 52, enters high pressure positive blower 55 again and recycles.
Claims (7)
1, metallic titanium coiled material vacuum heat treatment furnace, it comprises pumped vacuum systems, electric heating system, internal recycle cooling system, detects monitoring and operating system, it is characterized in that body of heater comprise bell, shaft and can with the lower furnace base of shaft flexible connection; Establish the burner hearth that the multilayer insulation radiation shield surrounds in the shaft, establish electric heating assembly on the inboard wall of burner hearth, establish the temperature monitoring element between the electric heating assembly, shaft is located on the stand, establish the material load-bearing plate in the lower furnace base, lower furnace base is located at the rising or the decline of the furnace bottom elevator under the stand on the furnace bottom elevator, make lower furnace base with the shaft seal closure or separate.
2, metallic titanium coiled material vacuum heat treatment furnace according to claim 1 is characterized in that the heat insulating reflecting screen (10) in the body of heater (1) adopts four layers of high temperature resistant stainless steel plate and one deck heat-resistance stainless steel plate fixed frame to form.
3, metallic titanium coiled material vacuum heat treatment furnace according to claim 1 and 2 is characterized in that heat insulating reflecting screen (10) comprises in the bell (16) and the screen of the annulus wall heat insulating reflecting in screen of the circular plate type heat insulating reflecting in the lower furnace base (18) (101 and 103) and the shaft (17) (102).
4, metallic titanium coiled material vacuum heat treatment furnace according to claim 1, it is characterized in that lower furnace base (18) is by hydraulic lift (3) supporting elevation, lower furnace base (18) rises to till the lower flange baseplane of shaft (17), during decline to the shelf 41 of materials vehicle 4 till.
5, metallic titanium coiled material vacuum heat treatment furnace according to claim 1, it is characterized in that internal recycle cooling system (5) comprises argon gas intake valve (50), heat exchanger (51), Pneumatic vacuum valve (52), vacuum pressure gauge (54), high pressure positive blower (55) and airduct road (53), argon gas is introduced in the burner hearth of body of heater (1) by high pressure positive blower (55), behind the heat exchanger heat-shift outside body of heater (1), through Pneumatic vacuum valve (52), enter high pressure positive blower (55) again and recycle.
6, metallic titanium coiled material vacuum heat treatment furnace according to claim 1, it is characterized in that vacuum system (6) is made up of mechanical pump (61), lobe pump (62), diffusion pump (63), vacuum pipe and valve, mechanical pump (61) and lobe pump (62) polyphone, lobe pump (62) and diffusion pump (63) polyphone, diffusion pump (63) is connected in shaft (17) air inlet/outlet.
7, according to wanting profit to require 1 described metallic titanium coiled material vacuum heat treatment furnace, it is characterized in that electric heating assembly (11) is contacted with water cooled electrode (112) mutually by an electric heating element (111) to form, described an electric heating element (111) is the nichrome bandlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201141251U CN201362739Y (en) | 2009-02-21 | 2009-02-21 | Metallic titanium coiled material vacuum thermal treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201141251U CN201362739Y (en) | 2009-02-21 | 2009-02-21 | Metallic titanium coiled material vacuum thermal treatment furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201362739Y true CN201362739Y (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201141251U Expired - Fee Related CN201362739Y (en) | 2009-02-21 | 2009-02-21 | Metallic titanium coiled material vacuum thermal treatment furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899465A (en) * | 2012-09-10 | 2013-01-30 | 南京晨光集团有限责任公司 | Vacuum pulse hydrogen annealing apparatus and method for electric pure iron |
| CN103225012A (en) * | 2013-05-15 | 2013-07-31 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
-
2009
- 2009-02-21 CN CNU2009201141251U patent/CN201362739Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899465A (en) * | 2012-09-10 | 2013-01-30 | 南京晨光集团有限责任公司 | Vacuum pulse hydrogen annealing apparatus and method for electric pure iron |
| CN103225012A (en) * | 2013-05-15 | 2013-07-31 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
| CN103225012B (en) * | 2013-05-15 | 2014-10-22 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20110221 |