CN107299198A - Long tube partial qualitative tempering furnace - Google Patents
Long tube partial qualitative tempering furnace Download PDFInfo
- Publication number
- CN107299198A CN107299198A CN201710600985.5A CN201710600985A CN107299198A CN 107299198 A CN107299198 A CN 107299198A CN 201710600985 A CN201710600985 A CN 201710600985A CN 107299198 A CN107299198 A CN 107299198A
- Authority
- CN
- China
- Prior art keywords
- furnace
- heater
- chemise
- long tube
- tempering furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
Abstract
The present invention relates to long tube partial qualitative tempering furnace, the tempering furnace is made up of furnace part, furnace lining part, electric heating element, water conservancy diversion cartridge unit, circulating fan system, adjustable charging tray and bell part；Furnace part includes the support of lower end and the body of heater of upper end；Furnace lining part includes being arranged on the substrate of furnace interior bottom and is enclosed in the chemise of furnace body inside, encloses to form reversing chamber on the inside of chemise, and circulating fan system, water conservancy diversion cartridge unit and adjustable charging tray are set inside reversing chamber, and bell part is covered in body of heater upper end；Substrate builds the insulating brick of lower floor and the refractory brick on upper strata by laying bricks or stones, and chemise is fixed by heat resisting steel anchor bolt nut assembly, and the wire holder being connected with electric heating element is provided with outside body of heater；Reversing chamber bottom is recessed limited location groove, and water conservancy diversion cartridge unit is arranged in stopper slot.The present invention can reduce furnace heat and scatter and disappear, it is ensured that furnace temperature, and in-furnace temperature homogeneous constant, and furnace binding is easy to loading and unloading firm, and tempering effect is good.
Description
Technical field
The present invention relates to tempering furnace, belong to thermomechanical aging processing technique field, it is more particularly related to a kind of
Long tube partial qualitative tempering furnace.
Background technology
Tempering furnace is tempered in atmosphere for common metal parts and aluminum alloy die casting, piston, aluminium sheet etc. are light closes
Golden parts quenching, annealing, aging strengthening model are used.
In some engineering springs, the spring such as train damping spring of some special dimensions is (such as anti-for its mechanical performance
Bending property, anti-fatigue performance, shock resistance etc.) require higher therefore particularly important when it is heat-treated, general spring exists
Temper is had to pass through after quenching.Tempering, which refers to, is reheated to the workpiece by quenching less than lower critical temperature Ac1 (heating
When the pearlite start temperature that changes to austenite) proper temperature, after insulation a period of time in the medium such as air or water, oil
The metal heating processing technology of cooling.Or the alloy workpiece after quenching is heated to proper temperature, some time is incubated, then slowly
Or quick cooling.It is generally used for being reduced or eliminated the internal stress in quenched steel component, or reduces its hardness and intensity, improves it
Ductility or toughness.
Engineering spring is required for being tempered using tempering furnace in heat treatment, and when tempering, whether temperature is suitable
Tempering quality will be directly influenced with constant, conventional tempering furnace is unavoidable because of the defect of self structure in tempering, and causes
The a large amount of of heat are scattered and disappeared during tempering, cause larger energy consumption, and most basic, and in-furnace temperature ripple can be caused by being exactly that heat is lost
It is dynamic, so that temperature is influenceed, and the fluctuation of temperature can also influence tempering quality, the physical property of influence tempering part.
The content of the invention
Based on above technical problem, the invention provides a kind of long tube partial qualitative tempering furnace, so as to solve with back
Stove high energy consumption, temperature can not keep constant technical problem.
To solve above technical problem, the technical solution adopted by the present invention is as follows：
Long tube partial qualitative tempering furnace, the tempering furnace by furnace part, furnace lining part, electric heating element, water conservancy diversion cartridge unit, follow
Ring blower fan system, adjustable charging tray and bell part composition；
Wherein,
Furnace part includes the support of lower end and the body of heater of upper end, and furnace interior is hollow；Furnace lining part includes being arranged on stove
Enclose to form reversing chamber on the inside of the substrate of body inner bottom and the chemise for being enclosed in furnace body inside, chemise, inside reversing chamber under
Circulating fan system, water conservancy diversion cartridge unit and adjustable charging tray were set gradually in the past, bell part is covered in body of heater upper end；
The substrate builds the insulating brick of lower floor and the refractory brick on upper strata by laying bricks or stones, and the chemise is made up of entire fibre lining, institute
State electric heating element to be arranged on the inside of chemise, the chemise through the heat resisting steel anchor bolt nut assembly of chemise and body of heater by consolidating
It is fixed, the wire holder being connected with electric heating element is provided with outside the body of heater；
The reversing chamber bottom is recessed limited location groove, and the water conservancy diversion cartridge unit is arranged in stopper slot.
It is preferred that, tiling has one layer of ceramic fibre tiling blanket between the furnace body inside and chemise.
It is preferred that, the electric heating element is the resistive band for turning to waveform, and the electric heating element passes through by alumine system
Into self-tapping type porcelain nail be fixed on the inside of chemise.
It is preferred that, the guide shell components interior is further fixed on the waist circle of annular.
It is preferred that, the adjustable charging tray includes the annular frame of lower end and is fixed in the steel plate of annular frame upper end
Net.
It is preferred that, the annular frame is evenly distributed at least two guide rings, the furnace interior be additionally provided with
The axis of guide of the identical quantity of guide ring, the guide ring of the adjustable charging tray is socketed on the axis of guide, by annular frame
It is socketed on the axis of guide.
It is preferred that, the annular frame lower end is additionally provided with multiple lassos being set on the axis of guide.
It is preferred that, the circulating fan system is made up of threephase motor, air-cooled support, centrifugal fan and wind deflector, institute
Air-cooled support is stated in the middle part of body of heater lower end, the threephase motor is fixed on air-cooled support lower end, the threephase motor
Output shaft stretched into vertically through body of heater the centrifugal fan connected after reversing chamber, the wind deflector be arranged on adjustable charging tray and
Between centrifugal fan.
It is preferred that, the bell part includes bell housing, heat-insulation layer, gun barrel jack and locating guide device, described
Bell housing be uniformly distributed multi-turn using bell casing center as the center of circle described in gun barrel jack, the bell housing lower end passes through metal
The cavity that plate is spliced to form in the heat-insulation layer of inner hollow, heat-insulation layer is filled with alumina silicate fibre blanket, the bell housing
Outside is connected with sand sealing groove, and the bell lower is provided with the sand sealing knife matched with sand sealing groove.
It is preferred that, electric heating element and the circulating fan system is respectively connected with control system.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：The present invention is simple in construction, can
Reduce furnace heat to scatter and disappear, it is ensured that furnace temperature, and in-furnace temperature homogeneous constant, furnace binding is easy to loading and unloading firm, and tempering effect is good.
Brief description of the drawings
Fig. 1 is the main sectional view of labeled parts of the present invention；
Fig. 2 is the main sectional view of present invention sign part；
Fig. 3 is the sectional view in B-B faces in Fig. 1；
Fig. 4 is the top view of the present invention；
Marked in figure：1st, bell part；2nd, water conservancy diversion cartridge unit；3rd, adjustable charging tray；4th, connecting plate；5th, electric heating element；6、
Circulating fan system；7th, furnace lining part；8th, furnace part；9th, support；10th, threephase motor；11st, air-cooled support；12nd, wind is centrifuged
Fan；13rd, wind deflector；14th, body of heater；15th, Yao Quan；16th, ceramic fibre tiling blanket；17th, chemise；18th, reversing chamber；19th, heat-insulation layer；
20th, bell housing；21st, gun barrel jack；22nd, locating guide device；23rd, sand sealing knife；24th, sand sealing groove；25th, self-tapping type porcelain is followed closely；26、
Resistive band；27th, expanded metal lath；28th, annular frame；29th, wire holder；30th, guide ring；31st, lasso；32nd, stopper slot；33rd, it is oriented to
Axle；34th, substrate.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
As Figure 1-Figure 4, long tube partial qualitative tempering furnace, the tempering furnace is by furnace part 8, furnace lining part 7, electric heating member
Part 5, water conservancy diversion cartridge unit 2, circulating fan system 6, adjustable charging tray 3 and bell part 1 are constituted；
Wherein,
Furnace part 8 includes the support 9 of lower end and the body of heater 14 of upper end, the inner hollow of body of heater 14；Furnace lining part 7 includes setting
The substrate 34 and the chemise 17 for being enclosed in the inner side of body of heater 14 in the inner bottom of body of heater 14 are put, the inner side of chemise 17 encloses to form reversing chamber
18, circulating fan system 6, water conservancy diversion cartridge unit 2 and adjustable charging tray 3, bell portion were set gradually in the past from lower inside reversing chamber 18
Part 1 is covered in the upper end of body of heater 14；
The substrate 34 builds the insulating brick of lower floor and the refractory brick on upper strata by laying bricks or stones, and the chemise 17 is by entire fibre lining structure
Into the electric heating element 5 is arranged on the inner side of chemise 17, and the chemise 17 anchors spiral shell by the heat resisting steel through chemise 17 and body of heater 14
Bolt nut assembly is fixed, and the wire holder 29 being connected with electric heating element 5 is provided with outside the body of heater 14；
The bottom of reversing chamber 18 is recessed limited location groove 32, and the water conservancy diversion cartridge unit 2 is arranged in stopper slot 32.
The furnace part 8 of the present embodiment is tempering furnace agent structure, and the furnace lining part 7 in it is used for insulation, electric heating
Element 5 is used for electrical heating, and water conservancy diversion cartridge unit 2 is used for wind-guiding, and circulating fan system 6 is used to stir gas stream in the stove, adjustable charging tray 3
For accommodating workpiece to be tempered, bell part 1 is used to close reversing chamber 18.
Directly workpiece to be tempered is placed on adjustable charging tray 3 when the present embodiment is used, by being heated to electric heating element 5
Water conservancy diversion is carried out with the hot blast that water conservancy diversion cartridge unit 2 stirs circulating fan system 6 to disperse, the even heat that electric heating element 5 is distributed
Be dispersed in reversing chamber 18, workpiece to be tempered can the input and output material of continous way be uninterruptedly tempered.
The present embodiment has carried out good insulation to body of heater and heat-insulated using furnace lining part 7, ensure that in reversing chamber 18
Portion's temperature is constant, and in input and output material, maximum temperature change is no more than 5 DEG C, and utilizes circulating fan system 6 and water conservancy diversion cartridge unit 2
Gas stream in the stove can be stirred, it is scattered to absorb and transmit the heat that electric heating element 5 is distributed so that the internal temperature of reversing chamber 18 is equal
It is even, so as to improve tempering quality.
The thickness 4mm coiled sheet systems of body of heater 14 of the present embodiment, internal solderable some shaped steel and gusset are used for reinforcement structure,
Support 9 is hanging by the body of heater 14 of upper end, is easy to the handling and ventilation of circulating fan system 6.
The insulating brick and refractory brick of the present embodiment can not only play the effect of heat-insulation and heat-preservation, and reduction energy consumption and guarantee are permanent
Temperature, weighs effect while can also improve substrate 34, and the entire fibre lining of chemise 17 can use standard type fibre module anchor structure
Entire fibre lining, there is lightweight, good effect of heat insulation, convenient to install and maintain, standard type fibre module unit weight
~230kg/m3, fiber gross thickness 250mm, standard fibers are folded into thickness 200mm and pre-molding.
In the present embodiment, tiling has one layer of ceramic fibre tiling blanket 16 between the inner side of body of heater 14 and chemise 17.Pottery
Porcelain fiber tiling blanket 16 has very high fire resisting, heat-insulated, heat insulation effect, it is ensured that furnace heat does not scatter and disappear, and improves energy utilization
Rate, reduces energy consumption.
The electric heating element 5 of the present embodiment is the resistive band 26 for turning to waveform, and the electric heating element 5 is by by alumine
The self-tapping type porcelain nail 25 being made is fixed on the inner side of chemise 17.Resistive band 26, which is powered to radiating, provides heat, with good radiating ratio,
And self-tapping type porcelain nail 25 using alumine be made also have resistant to elevated temperatures characteristic, can for a long time fixed resistance band 26 without mistake
Effect.
In the present embodiment, the waist circle 15 of annular is further fixed on inside the water conservancy diversion cartridge unit 2.Waist circle 15 can strengthen guide shell
The intensity of part 2, and its thermal deformation can be prevented, it is ensured that its service life.
In the present embodiment, the adjustable charging tray 3 includes the annular frame 28 of lower end and is fixed in annular frame 28
The expanded metal lath 27 of upper end.Workpiece to be tempered is placed on expanded metal lath 27, and hot blast can be circulated by the gap of expanded metal lath 27, so as to
Meeting workpiece can be while contacts mutually synthermal hot blast, it is ensured that tempering is uniform and temperature is basically identical, improves tempering quality.
In the present embodiment, the annular frame 28 is evenly distributed in inside at least two guide rings 30, the body of heater 14
The axis of guide 33 with the identical quantity of guide ring 30 is additionally provided with, the guide ring 30 of the adjustable charging tray 3 is socketed in the guiding
On axle 33, annular frame 28 is socketed on the axis of guide 33.The present embodiment is socketed on the axis of guide 33 by guide ring 30 will
Annular frame 28 is socketed in the axis of guide 33, so as to can not only be positioned annular frame 28 and can adjust it as needed
Positioned at the height of the axis of guide 33, the demand of adjustable charging tray 3 of different height is met.
On this basis, the lower end of annular frame 28 is additionally provided with multiple lassos 31 being set on the axis of guide 33.
Lasso 31 can be arranged multiple as needed, and for changing the height of annular frame 28, height will not after adjustable charging tray 3 is placed
Change, structure is more stablized.
In the present embodiment, the circulating fan system 6 is by threephase motor 10, air-cooled support 11, centrifugal fan 12 and leads
Aerofoil 13 is constituted, and the air-cooled support installs 11 in the middle part of the lower end of body of heater 14, and the threephase motor 10 is fixed on air-cooled support
11 lower ends, the output shaft of the threephase motor 10 connects the centrifugal fan through vertical stretch into of body of heater 14 after reversing chamber 18
12, the wind deflector 13 is arranged between adjustable charging tray 3 and centrifugal fan 12.The present embodiment is driven by threephase motor 10
Centrifugal fan 12 is rotated, so as to change the interior air-flow of reversing chamber 18 so that internal heat is dispersed, it is ensured that temperature is equal
Change that is even and being capable of adjustment temperature in time.
In the present embodiment, the bell part 1, which includes bell housing 20, heat-insulation layer 19, gun barrel jack 21 and positioning, leads
To device 22, the bell housing 20 be uniformly distributed multi-turn using the center of bell housing 20 as the center of circle described in gun barrel jack 21, it is described
The cavity that the lower end of bell housing 20 is spliced to form by metallic plate in the heat-insulation layer 19 of inner hollow, heat-insulation layer 19 is filled with
Alumina silicate fibre blanket, the outside of bell housing 20 is connected with sand sealing groove 24, and the lower end of bell part 1 is provided with and sand sealing groove
The sand sealing knife 23 of 24 pairings.Sand sealing groove 24 and sand sealing knife 23 coordinate for stove interior sealing, the internal cavity of heat-insulation layer 19 filling alumina silicate
Tapetum fibrosum is then used to be incubated and heat-insulated, further improves the heat-insulated and heat insulation effect of tempering furnace.
In the present embodiment, the electric heating element 5 and circulating fan system 6 are respectively connected with control system.Control system can root
According to in-furnace temperature change or workpiece situation to be tempered, the heating amount of electric heating element 5 and the air-supply speed of circulating fan system 6 are controlled
Degree, accurate adjustment in-furnace temperature controls temperature change, difference variation of the reduction in-furnace temperature in drawing process.
It is embodiments of the invention as described above.Each preferred embodiment described previously for the present invention, each is preferred
Preferred embodiment in embodiment is if not substantially contradictory or premised on a certain preferred embodiment, and each is preferred
Embodiment can arbitrarily stack combinations use, the design parameter in the embodiment and embodiment is merely to understand table
The invention verification process of inventor is stated, and is not used to the scope of patent protection of the limitation present invention, scope of patent protection of the invention
Still it is defined by its claims, the equivalent structure change that every specification and accompanying drawing content with the present invention is made, together
Reason should be included within the scope of the present invention.
Claims (10)
1. long tube partial qualitative tempering furnace, it is characterised in that：The tempering furnace is by furnace part (8), furnace lining part (7), electric heating member
Part (5), water conservancy diversion cartridge unit (2), circulating fan system (6), adjustable charging tray (3) and bell part (1) composition；
Wherein,
Furnace part (8) includes the support (9) of lower end and the body of heater (14) of upper end, body of heater (14) inner hollow；Furnace lining part (7)
Including the chemise (17) for being arranged on the substrate (34) of body of heater (14) inner bottom and being enclosed on the inside of body of heater (14), chemise (17) is interior
Gusset is closed to form reversing chamber (18), and circulating fan system (6), water conservancy diversion cartridge unit were set gradually in the past from lower inside reversing chamber (18)
(2) and adjustable charging tray (3), bell part (1) is covered in body of heater (14) upper end；
The substrate (34) builds the insulating brick of lower floor and the refractory brick on upper strata by laying bricks or stones, and the chemise (17) is by entire fibre lining structure
It is arranged on into, the electric heating element (5) on the inside of chemise (17), the chemise (17) is by through the resistance to of chemise (17) and body of heater (14)
Hot steel anchor bolt nut assembly is fixed, and the wire holder (29) being connected with electric heating element (5) is provided with outside the body of heater (14)；
Reversing chamber (18) bottom is recessed limited location groove (32), and the water conservancy diversion cartridge unit (2) is arranged on stopper slot (32)
It is interior.
2. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：Body of heater (14) inner side and chemise
(17) tiling has one layer of ceramic fibre tiling blanket (16) between.
3. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The electric heating element (5) is coiling
Into the resistive band (26) of waveform, the electric heating element (5) is fixed on lining by the self-tapping type porcelain nail (25) being made up of alumine
On the inside of wall (17).
4. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The water conservancy diversion cartridge unit (2) is internal
It is further fixed on the waist circle (15) of annular.
5. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The adjustable charging tray (3) includes
The annular frame (28) of lower end and the expanded metal lath (27) for being fixed in annular frame (28) upper end.
6. long tube partial qualitative tempering furnace according to claim 5, it is characterised in that：Annular frame (28) circumference
It is evenly equipped with the axis of guide that quantity identical with guide ring (30) is additionally provided with inside at least two guide rings (30), the body of heater (14)
(33), the guide ring (30) of the adjustable charging tray (3) is socketed on the axis of guide (33), and annular frame (28) is socketed
On the axis of guide (33).
7. long tube partial qualitative tempering furnace according to claim 6, it is characterised in that：Annular frame (28) lower end
It is additionally provided with multiple lassos (31) being set on the axis of guide (33).
8. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The circulating fan system (6) by
Threephase motor (10), air-cooled support (11), centrifugal fan (12) and wind deflector (13) composition, the air-cooled support install (11)
In the middle part of body of heater (14) lower end, the threephase motor (10) is fixed on air-cooled support (11) lower end, the threephase motor
(10) output shaft stretches into reversing chamber (18) through body of heater (14) and connects the centrifugal fan (12), the wind deflector afterwards vertically
(13) it is arranged between adjustable charging tray (3) and centrifugal fan (12).
9. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The bell part (1) includes stove
Lid housing (20), heat-insulation layer (19), gun barrel jack (21) and locating guide device (22), the bell housing (20) is with bell
Housing (20) center is that the center of circle is uniformly distributed gun barrel jack (21) described in multi-turn, and bell housing (20) lower end passes through metallic plate
The cavity being spliced to form in the heat-insulation layer (19) of inner hollow, heat-insulation layer (19) is filled with alumina silicate fibre blanket, the stove
Sand sealing groove (24) is connected with the outside of lid housing (20), bell part (1) lower end is provided with the sand matched with sand sealing groove (24)
Seal knife (23).
10. long tube partial qualitative tempering furnace according to claim 1, it is characterised in that：The electric heating element (5) and circulation
Blower fan system (6) is respectively connected with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600985.5A CN107299198A (en) | 2017-07-21 | 2017-07-21 | Long tube partial qualitative tempering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600985.5A CN107299198A (en) | 2017-07-21 | 2017-07-21 | Long tube partial qualitative tempering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107299198A true CN107299198A (en) | 2017-10-27 |
Family
ID=60132992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600985.5A Pending CN107299198A (en) | 2017-07-21 | 2017-07-21 | Long tube partial qualitative tempering furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN107299198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990299A (en) * | 2022-08-01 | 2022-09-02 | 兴化市天泰合金制品科技有限公司 | Heat treatment device for preparing nodular cast iron alloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000256744A (en) * | 1999-03-04 | 2000-09-19 | Hyundai Boteko Co | Heat treatment of wear resistant and corrosion resistant alloy steel long shaft member and apparatus therefor |
| CN202181316U (en) * | 2011-07-20 | 2012-04-04 | 长春一汽嘉信热处理科技有限公司 | Novel heated air circulation low-temperature tempering furnace |
| CN203295558U (en) * | 2013-05-20 | 2013-11-20 | 湖南省中南炉业有限公司 | Novel pit type tempering furnace |
| CN203320051U (en) * | 2013-05-20 | 2013-12-04 | 湖南新金刚工程机械有限公司 | Tempering furnace for tempering process of impactor part |
| CN104651567A (en) * | 2015-02-12 | 2015-05-27 | 浙江省长兴精工电炉制造有限公司 | Furnace body for high-precision atmosphere protection program-controlled tempering furnace |
-
2017
- 2017-07-21 CN CN201710600985.5A patent/CN107299198A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000256744A (en) * | 1999-03-04 | 2000-09-19 | Hyundai Boteko Co | Heat treatment of wear resistant and corrosion resistant alloy steel long shaft member and apparatus therefor |
| CN202181316U (en) * | 2011-07-20 | 2012-04-04 | 长春一汽嘉信热处理科技有限公司 | Novel heated air circulation low-temperature tempering furnace |
| CN203295558U (en) * | 2013-05-20 | 2013-11-20 | 湖南省中南炉业有限公司 | Novel pit type tempering furnace |
| CN203320051U (en) * | 2013-05-20 | 2013-12-04 | 湖南新金刚工程机械有限公司 | Tempering furnace for tempering process of impactor part |
| CN104651567A (en) * | 2015-02-12 | 2015-05-27 | 浙江省长兴精工电炉制造有限公司 | Furnace body for high-precision atmosphere protection program-controlled tempering furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990299A (en) * | 2022-08-01 | 2022-09-02 | 兴化市天泰合金制品科技有限公司 | Heat treatment device for preparing nodular cast iron alloy |
| CN114990299B (en) * | 2022-08-01 | 2022-10-04 | 兴化市天泰合金制品科技有限公司 | Heat treatment device for preparing nodular cast iron alloy |
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Application publication date: 20171027 |
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