CN207214802U - A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating - Google Patents
A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating Download PDFInfo
- Publication number
- CN207214802U CN207214802U CN201721221508.XU CN201721221508U CN207214802U CN 207214802 U CN207214802 U CN 207214802U CN 201721221508 U CN201721221508 U CN 201721221508U CN 207214802 U CN207214802 U CN 207214802U
- Authority
- CN
- China
- Prior art keywords
- heater
- furnace
- lining
- fire door
- furnace shell
- 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.)
- Expired - Fee Related
Links
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The technical field of heating furnace is the utility model is related to, particularly a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating.Including：Chassis, body of heater, the body of heater include：Body of heater furnace shell, furnace lining, the fire door of body of heater both sides is symmetricly set on, each fire door includes：Fire door furnace shell, door lining and fire door elevating mechanism, the door lining is arranged on fire door furnace shell inwall, side of the door lining away from fire door furnace shell is provided with groove, there is angle [alpha] between the vertical plane of contact surface and fire door the elevating mechanism motion of the body of heater furnace shell or furnace lining and door lining, solve the problems, such as that heating element heater can be collided with body of heater so that leakage fire phenomenon occurs for stove on furnace lining inwall, heating element heater in groove will not collide with body of heater furnace shell or furnace lining, it ensure that the trouble free service of heating element heater, the sealing of whole stove is also preferable when elevating mechanism is not vertical direction lifting furnace door, enhance the sealing of stove.
Description
Technical field
The technical field of heating furnace is the utility model is related to, particularly a kind of dual stage car of graphite electrode high-efficiency heating
Formula resistance furnace.
Background technology
Resistance furnace makes heating element heater in stove generate heat using electric current, so as to be heated to workpiece or material.Existing chassis
Formula resistance furnace includes furnace shell, and the track for chassis walking is arranged at furnace shell bottom, and chassis is entered in furnace shell from furnace shell bottom, in furnace shell
Wall has built refractory brick by laying bricks or stones, and it is disadvantageous in that：Sealing between chassis and furnace shell is poor, causes heat losses more；Due to stove
Shell inwall builds refractory brick by laying bricks or stones, so amount of stored heat is big, power is high, and heating is slow, and thermal field is uneven, bulky, and heat endurance is poor, very
It is difficult to ensure card workpiece quality.Other the door opened of existing resistance furnace causes high effort for.
Chinese patent CN201620530980.0 provides Whole fiber bench vehicle type electrical resistance furnace, the utility model has the advantages that：
High insulating effect, quick heating, thermal field is uniform, power and energy saving, improves fuel factor.Because flame retardant coating is that alumina silicate fibre folds block, protect
Hot gas in stove is demonstrate,proved and has been not easy excessive, greatly strengthen heat insulation effect, reduce heat loss.According to experiment, and with laying fireproof bricks
Burner hearth is compared, and rated power reduces 20%, and programming rate improves more than 30%.Due to provided with fire door transmission mechanism, working as fire door
During rising, directive wheel first rises along guide groove sloping portion, is then risen vertically again, fire door is drifted apart from furnace shell,
On the contrary then gradual closure, has reached sealing purpose, has played high insulating effect, reduced the effect of heat loss, and it is door opened and
It is easy to close.But the heating element heater that such resistance furnace is arranged in stove can collide when door opening and closing with furnace body,
Sealing property is influenceed, leakage fire phenomenon occurs.
Utility model content
The technical problems to be solved in the utility model is：It can be sent out to solve heating element heater on furnace lining inwall with body of heater
The problem of raw collision causes stove that leakage fire phenomenon occurs, the utility model provides a kind of dual stage car of graphite electrode high-efficiency heating
Formula resistance furnace, workpiece is placed in car type furnace lining, vehicle frame is entered in body of heater with workpiece by haulage gear and heated, is led to
Cross fire door elevating mechanism to fall fire door, due to the presence of groove during falling, the heating element heater in groove will not be with body of heater
Furnace shell or furnace lining collide, and ensure that the trouble free service of heating element heater, then pass through body of heater furnace shell or furnace lining and stove
Door lining contact surface and fire door elevating mechanism motion vertical plane between angle [alpha], even in elevating mechanism be not vertical side
The sealing of whole stove is also preferable when to lifting furnace door, will not produce leakage fire phenomenon.
Technical scheme is used by the utility model solves its technical problem：A kind of dual stage of graphite electrode high-efficiency heating
Vehicle type resistance furnace, including：
Chassis, the chassis include：Haulage gear, wheel, vehicle frame and chassis furnace lining, the wheel are fixed on bottom of frame
And be rotatably connected with it, the haulage gear is used to draw vehicle wheel rotation, and the chassis furnace lining is arranged on vehicle frame, described
Car furnace lining upper surface surrounding is covered with special shaped brick,
Body of heater, the body of heater include：Body of heater furnace shell, furnace lining,
The fire door of body of heater both sides is symmetricly set on, each fire door includes：Fire door furnace shell, door lining and fire door lifting
Mechanism, the door lining are arranged on fire door furnace shell inwall, and side of the door lining away from fire door furnace shell is provided with groove, institute
Stating fire door elevating mechanism includes：Support bar, support frame, motor cucurbit, movable pulley, first the second fixed pulley of fixed pulley, the 3rd determine
Pulley and cable wire, the support bar are fixedly connected with body of heater furnace shell, and support frame as described above is arranged on supporting bar top, the motor calabash
Reed, the second fixed pulley and the 3rd fixed pulley are arranged on support frame, and first fixed pulley is fixed on support bar bottom, described dynamic
Pulley is connected with motor cucurbit by cable wire, and one end of the fire door furnace shell is calmly sliding through the 3rd fixed pulley, second by cable wire
Wheel and the first fixed pulley are connected with movable pulley, and the other end of the fire door furnace shell is fixed through the second fixed pulley and first by cable wire
Pulley is connected with movable pulley,
The body of heater furnace shell or furnace lining and door lining contact surface and fire door elevating mechanism motion vertical plane it
Between there is angle [alpha].
2nd, a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：Platform
Car furnace lining bottom is heat-insulation layer, and the heat-insulation layer includes：Fire resisting asbestos board from bottom to top successively, diatomite brick and lightweight are straight
Brick, the diatomite brick staggeredly tile with the straight brick of lightweight.
3rd, a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that also
Including：Sealing mechanism, the sealing mechanism include：The neck that is fixedly connected with body of heater furnace shell and it is fixedly connected with fire door furnace shell
Fastener.
4th, a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：Institute
The top for stating furnace lining is domes
5th, a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 4, it is characterised in that：Institute
It is resistive band to state heating element heater, and the heating element heater turns to screw type.
6th, a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 4, it is characterised in that：Institute
State heating element heater both ends and be provided with card bead, the card bead is matched somebody with somebody with being arranged on the hanger bracket on furnace lining close to the side of body of heater furnace shell
Close.
The beneficial effects of the utility model are：
The utility model provides a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating, is placed in car type furnace lining
Workpiece, vehicle frame is entered in body of heater with workpiece by haulage gear and heated, is fallen fire door by fire door elevating mechanism,
Due to the presence of groove during falling, the heating element heater in groove will not collide with body of heater furnace shell or furnace lining, protect
The trouble free service of heating element heater has been demonstrate,proved, then has passed through body of heater furnace shell or the contact surface and fire door lift of furnace lining and door lining
Angle [alpha] between the vertical plane of structure motion, whole stove when elevating mechanism is not vertical direction lifting furnace door
Sealing is also preferable, eliminates the leakage fire phenomenon of stove.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating of the utility model；
Fig. 2 is Fig. 1 left view schematic diagram；
Fig. 3 is part A partial enlarged drawing schematic diagram in Fig. 1；
Fig. 4 is the structural representation of heat-insulation layer；
In figure：1. haulage gear, 2. wheels, 3. vehicle frames, 4. chassis furnace linings, 5. body of heater furnace shells, 6. furnace linings, 7. fire doors
Furnace shell, 8. door linings, 9. support bars, 10. support frames, 11. motor cucurbits, 12. movable pulleys, 13. first fixed pulleys, 14.
Two fixed pulleys, 15. the 3rd fixed pulleys, 16. grooves, 17. heating element heaters, 18. fire resisting asbestos boards, 19. diatomite bricks, 20. lightweights
Straight brick, 21. necks, 22. fasteners, 23. card beads, 24. hanger brackets, 25. ceramic gaskets.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As illustrated, the utility model provides a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating, including：
Chassis, chassis include：Haulage gear 1, wheel 2, vehicle frame 3 and chassis furnace lining 4, wheel 2 are fixed on the bottom of vehicle frame 3 simultaneously
It is rotatably connected with it, haulage gear 1 is rotated for drawing wheel 2, and chassis furnace lining 4 is arranged on vehicle frame 3, on chassis furnace lining 4
Surface surrounding is covered with special shaped brick, and vehicle frame 3 is spliced by two longitudinal girders and a plurality of crossbeam, the auxiliary 8mm steel plates in face, its rigidity
Ensure indeformable under full load situation.To reduce chassis height as far as possible, ensure to have in the case of high-impact again enough
Intensity and rigidity, longeron use " combined welding beam ", reduce longeron span.10 groups of wheels 2 are respectively equipped with per side girder, with 5
Platform cycloidal planetary gear speed reducer directly drives driving wheel, ensures that the bearing capacity of wheel is no more than the greatest limit allowed.Vehicle frame 3 four
Week is provided with special heat-resisting cast iron car frame, coordinates with body of heater both sides sealing, ensures that stove car surrounding is indeformable.Haulage gear 1 by
Motor, planet-cycloid reducer, brake Trinity composition, adhesion wheel balancing stand is directly installed on by flange connection
On, there is large modulus Hardened gear face driving moment 2.The driven type has simple in construction, maintenance side compared with traditional chain drive
The advantages such as just, driving torque is big, operate steadily, fault rate is low.Chassis disengaging is designed with sound and light signal, the disengaging of haulage gear 1
End is designed with dual fail-safe limit switch, prevents the walking of vehicle frame 3 exceedes from being formed.
Body of heater, body of heater include：Body of heater furnace shell 5, furnace lining 6,5 steel constructions of body of heater furnace shell, using national standard hot-rolled steel section
（Not less than 16# I-steel）Welded with basic built-in fitting, using shaped steel multiple tracks connection up and down between post and post, form frame structure
Body of heater furnace shell 5 skeleton, body of heater furnace shell 5 skeleton inner surface patch weldering 6mm furnace shell steel plates, reserve bottom chassis opening and
Front end stove gate, 2 sides, which reserve burner mounting aperture and heating component hole steel construction, integrally has holding body of heater steady operation
Strength and stiffness.Modern industrial equipment shape-designing, appearance spraying silver gray finish paint are pressed in the moulding of body of heater furnace shell 5（Aluminium paint）.For
Prevent the furnace wall of body of heater furnace shell 4 and insertion seam occurs in furnace roof binding site, wall and wall, the junction on wall and top are using fine mould of making pottery
Block and backing blanket fissure of displacement mode of connection, while to prevent hot-face layer pottery fibre from distributing the high-temperature shrinkage of junction, in wall top junction
One compensation seam is set, using the tapetum fibrosum doubling with the equal material of module, 30% is kept with one compression ratio, fills in by force,
Ensure the elevated-temperature seal effect at the position.Furnace lining 6 is used with excellent thermal insulation heat-insulating property（Produce Shandong Luyang）It is high-purity
Whole fiber.The characteristics of this furnace lining 6 also has simple installation, and the engineering time is short, service life is more than brick body furnace superintendent.It is complete fine
Dimension burner hearth aluminosilicate refractory fiber has been widely used in periodic stove, has in light weight, simple in construction, installation side
Just the advantages that, service life is long, easy to maintenance, quick heating, accumulation of heat are few, high insulating effect, good thermal shock stability.Furnace lining 6
Anchoring piece and scientific and reasonable inserting method using standard.Precompression treatment again is carried out before fiber folded piece insert（Compression
Unit weight >=230Kg/m3）, it is fixed on anchoring piece on housing, insulation material installation thickness ≮ 300mm.The structure has low lead
Heat, the molten excellent chemical stability of low-heat, heat endurance, shaking property of heat resistanceheat resistant, excellent tensile strength and corrosion resistance.Aluminium silicate fiber
Tie up 1100 DEG C of highest heatproof, the plate stamping of material selection 304 shaping of anchoring piece.
The fire door of body of heater both sides is symmetricly set on, each fire door includes：Fire door furnace shell 7, door lining 8 and fire door lift
Structure, fire door furnace shell 7 is by there is shaped steel to be welded into framework, and peripheral steel plate is welded into casing, and door lining 8 is that refractory fiber cotton is fast, frame
Frame lower bolt connects heat-resisting steel panel, to reduce the thermal deformation of fire door.Door lining 8 and the same mode of the same material of furnace lining 4
Make, thickness is more than 300mm.Door lining 8 is arranged on the inwall of fire door furnace shell 7, side of the door lining 8 away from fire door furnace shell 7
Provided with groove 16, heating element heater 17 in fire door not exposing inside thereof plane can be made, it is ensured that the heating unit in fire door lifting process
Part and fiber are not collided and damaged.Fire door elevating mechanism includes：Support bar 9, support frame 10, motor cucurbit 11, movable pulley 12,
The fixed pulley 14 of first fixed pulley 13 second, the 3rd fixed pulley 15 and cable wire, support bar 9 are fixedly connected with body of heater furnace shell 5, support frame
10 are arranged on the top of support bar 9, and motor cucurbit 11, the second fixed pulley 14 and the 3rd fixed pulley 15 are arranged on support frame 10, the
One fixed pulley 13 is fixed on the bottom of support bar 9, and movable pulley 12 is connected with motor cucurbit 11 by cable wire, one end of fire door furnace shell 7
It is connected by cable wire through the 3rd fixed pulley 15, the second fixed pulley 14 and the first fixed pulley 13 with movable pulley 12, fire door furnace shell 7
The other end is connected by cable wire through the second fixed pulley 14 and the first fixed pulley 13 with movable pulley 12,
Between the vertical plane of the contact surface and fire door elevating mechanism of body of heater furnace shell 5 or furnace lining 6 and door lining 8 motion
With angle [alpha],
Heating element heater 17, heating element heater 17 is arranged in groove 16 and the inwall of furnace lining 6.
In use, placing workpiece on chassis furnace lining 4, vehicle frame 3 is entered in body of heater with workpiece by haulage gear 1
Row heating, is fallen fire door by fire door elevating mechanism, due to the presence of groove 16 during falling, the heating unit in groove 16
Part 17 will not collide with body of heater furnace shell 5 or furnace lining 6, ensure that the trouble free service of heating element heater 17, then pass through body of heater
Angle [alpha] between the vertical plane of the contact surface and fire door elevating mechanism of furnace shell 5 or furnace lining 6 and door lining 8 motion, even if
The sealing of whole stove is also preferable when elevating mechanism is not vertical direction lifting furnace door, will not produce leakage fire phenomenon.
Specifically, the bottom of chassis furnace lining 4 is heat-insulation layer, and heat-insulation layer includes：Fire resisting asbestos board 18, silicon successively from bottom to top
Diatomaceous earth brick 19 and the straight brick 20 of lightweight, diatomite brick 19 staggeredly tile with the straight brick 20 of lightweight.The structure and traditional standard fire resisting are brick
The mode of building is compared, and service life is obviously prolonged, and maintenance is more convenient.
Specifically, in addition to：Sealing mechanism, sealing mechanism include：The neck 21 and and stove being fixedly connected with body of heater furnace shell 5
The fastener 22 that is fixedly connected of door furnace shell 7, when fire door falls, by door weight and by with the fixed fastener 22 of fire door furnace shell 5 in card
30 degree of 21 lower end of groove skewback makes it produce about 50mm horizontal displacement, so as to complete the closing of fire door, the master of such fire door surrounding
Body fiber and the protrusion fiber band of fire door surrounding form hot road two-side sealing.This dead-weight sealing structure of fire door both ensure that
Excellent sealing effect after fire door closing, it also avoid the situation of swing during traditional fire door lifting（Fastener 22 gap compared with
Moved up and down in small slideway）.
Specifically, for homogeneous heating in burner hearth, the top of furnace lining 6 is domes, makes full use of upward fire
The circulation of flame and thermal current, have air-tightness it is preferable, have it is solid and reliable, easy to maintenance, service life is long, good energy-conserving effect,
The advantages that body of heater is in light weight, body of heater shell temperature rise is small.
Specifically, heating element heater 17 is OCr25A15 resistance alloys bands, and heating element heater 17 turns to screw type, further carried
The high efficiency of heating surface.
Specifically, the both ends of heating element heater 17 are provided with card bead 23, and card bead 23 is with being arranged on furnace lining 6 close to body of heater furnace shell
The hanger bracket 24 of 5 side coordinates.
Specifically, being provided between heating element heater 17 and furnace lining 6 prevents furnace lining 6 from overheating the ceramic gasket being melted
25。
Specifically, angle [alpha] is preferably 2 °, 3 ° or 4 °, if angle [alpha] is less than 2 °, tilts unobvious, furnace lining 6 and stove
The bottom of the junction of door lining 8 still has compared with big gap, and sealing effectiveness is bad, if angle [alpha] is more than 4 °, furnace lining 6 with
The junction top of door lining 8 can also open up larger gap, influence sealing effectiveness
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (8)
- A kind of 1. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating, it is characterised in that including：Chassis, the chassis include：Haulage gear（1）, wheel（2）, vehicle frame（3）With chassis furnace lining（4）, the wheel（2）Gu Due to vehicle frame（3）Bottom is simultaneously rotatably connected with it, the haulage gear（1）For drawing wheel（2）Rotate, the car type furnace Lining（4）It is arranged on vehicle frame（3）On, the chassis furnace lining（4）Upper surface surrounding is covered with special shaped brick,Body of heater, the body of heater include：Body of heater furnace shell（5）, furnace lining（6）,The fire door of body of heater both sides is symmetricly set on, each fire door includes：Fire door furnace shell（7）, door lining（8）With fire door liter Descending mechanism, the door lining（8）It is arranged on fire door furnace shell（7）Inwall, the door lining（8）Away from fire door furnace shell（7）'s Side is provided with groove（16）, the fire door elevating mechanism includes：Support bar（9）, support frame（10）, motor cucurbit（11）, dynamic slide Wheel（12）, the first fixed pulley（13）Second fixed pulley（14）, the 3rd fixed pulley（15）And cable wire, the support bar（9）With body of heater Furnace shell（5）It is fixedly connected, support frame as described above（10）It is arranged on support bar（9）Top, the motor cucurbit（11）, the second fixed pulley （14）With the 3rd fixed pulley（15）It is arranged on support frame（10）On, first fixed pulley（13）It is fixed on support bar（9）Bottom, The movable pulley（12）With motor cucurbit（11）Connected by cable wire, the fire door furnace shell（7）One end by cable wire through the Three fixed pulleys（15）, the second fixed pulley（14）With the first fixed pulley（13）With movable pulley（12）Connection, the fire door furnace shell（7）'s The other end passes through the second fixed pulley by cable wire（14）With the first fixed pulley（13）With movable pulley（12）Connection,The body of heater furnace shell（5）Or furnace lining（6）With door lining（8）Contact surface and fire door elevating mechanism motion it is vertical There is angle [alpha] between face,Heating element heater（17）, the heating element heater（17）It is arranged on groove（16）Interior and furnace lining（6）Inwall.
- A kind of 2. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：Car type furnace Lining（4）Bottom is heat-insulation layer, and the heat-insulation layer includes：Fire resisting asbestos board successively from bottom to top（18）, diatomite brick（19）With The straight brick of lightweight（20）, the diatomite brick（19）With the straight brick of lightweight（20）Staggeredly tile.
- 3. a kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that also include： Sealing mechanism, the sealing mechanism include：With body of heater furnace shell（5）The neck being fixedly connected（21）With with fire door furnace shell（7）It is fixed The fastener of connection（22）.
- A kind of 4. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：The stove Lining in vivo（6）Top be domes.
- A kind of 5. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 4, it is characterised in that：It is described to add Thermal element（17）For resistive band, the heating element heater（17）Turn to screw type.
- A kind of 6. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 4, it is characterised in that：It is described to add Thermal element（17）Both ends are provided with card bead（23）, the card bead（23）With being arranged on furnace lining（6）Upper close body of heater furnace shell（5）'s The hanger bracket of side（24）Coordinate.
- A kind of 7. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：It is described to add Thermal element（17）With furnace lining（6）Between be provided with ceramic gasket（25）.
- A kind of 8. double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating as claimed in claim 1, it is characterised in that：The angle It is 2-4 ° to spend α scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221508.XU CN207214802U (en) | 2017-09-21 | 2017-09-21 | A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221508.XU CN207214802U (en) | 2017-09-21 | 2017-09-21 | A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207214802U true CN207214802U (en) | 2018-04-10 |
Family
ID=61822397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221508.XU Expired - Fee Related CN207214802U (en) | 2017-09-21 | 2017-09-21 | A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207214802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082879A (en) * | 2021-10-29 | 2022-02-25 | 青海中钛青锻装备制造有限公司 | Split type electric heating furnace |
-
2017
- 2017-09-21 CN CN201721221508.XU patent/CN207214802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082879A (en) * | 2021-10-29 | 2022-02-25 | 青海中钛青锻装备制造有限公司 | Split type electric heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201512560U (en) | Car-type high-temperature gas thermal treatment stove | |
| CN107419068A (en) | A kind of sector gas saves annealing furnace | |
| CN207214802U (en) | A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating | |
| CN201169601Y (en) | Corrugated plate atmosphere trolley electric stove | |
| CN205192224U (en) | Balanced stable form platform truck resistance furnace of low temperature | |
| CN107525399A (en) | A kind of double bench vehicle type electrical resistance furnaces of graphite electrode high-efficiency heating | |
| CN212559962U (en) | Accurate temperature control trolley type annealing furnace | |
| CN207210479U (en) | A kind of sector gas saves annealing furnace | |
| CN201535617U (en) | Tunnel kiln for direct reduction of pig iron from iron-based oxide | |
| CN208171026U (en) | A kind of car type furnace furnace door lifting device of environmental protection and energy saving | |
| CN209745007U (en) | Continuous aluminum alloy centralized melting furnace | |
| CN101762156A (en) | Bogie hearth type electrical resistance furnace | |
| CN2739552Y (en) | Rotary furnance | |
| CN201317804Y (en) | Gas fired aluminium alloy quenching furnace | |
| CN201311186Y (en) | Bogie hearth electric resistance furnace for processing twin-rolls | |
| CN205473899U (en) | Hectometre ageing heat treatment stove | |
| CN201715856U (en) | Drying and medium-temperature heating dual-purpose furnace for electrothermal far-infrared core | |
| CN206109486U (en) | Box -type heating furnace | |
| CN210718668U (en) | Heat insulation device for heat treatment furnace trolley | |
| CN208151419U (en) | A kind of environmentally friendly annealing furnace with waste heat processing function | |
| CN101748261B (en) | Box type groove form heating furnace | |
| CN107723437A (en) | A kind of bar destressing special furnace | |
| CN210242343U (en) | High-reliability furnace door of submerged arc furnace | |
| CN210718667U (en) | Heat treatment furnace trolley | |
| CN107619910A (en) | A kind of thermal cycle car type furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20210921 |