CN109897944A - Annealing furnace furnace body and its encapsulating method - Google Patents
Annealing furnace furnace body and its encapsulating method Download PDFInfo
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- CN109897944A CN109897944A CN201910196933.5A CN201910196933A CN109897944A CN 109897944 A CN109897944 A CN 109897944A CN 201910196933 A CN201910196933 A CN 201910196933A CN 109897944 A CN109897944 A CN 109897944A
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Abstract
A kind of annealing furnace furnace body, belong to the technical field of heat treatment of metal product, for solving the problems, such as that annealing furnace furnace body in-furnace temperature as caused by sealing is bad is non-uniform, including furnace body, transfer car(buggy), fire door, fume extractor, pallet, control system, it is characterized in that, the annealing furnace furnace body further includes sealing structure, and the sealing structure is arranged between the pallet and furnace body between fire door and furnace body.The sealing structure includes the sealing structure one being arranged between rear wall and pallet, the sealing structure four enclosing the sealing structure between side wall and pallet two, the sealing structure being arranged between front side wall and pallet three and being arranged between fire door and front side wall is arranged in.By the way that sealing structure is arranged at the bottom of the active open in annealing furnace furnace body and fire door, realize the sealing of entire annealing furnace furnace body, it is lost from active open to reduce or avoid in-furnace temperature, improves the uniformity of furnace body temperature, realize the purpose for reducing energy consumption.
Description
Technical field
The present invention relates to casting technology fields, in particular to casting annealing annealing furnace.
Background technique
It anneals to casting, is in order to eliminate the casting internal stress that casting is formed in process of setting, to guarantee casting
Quality, solve the problems such as casting service life as caused by internal stress is short, product quality defect.And the annealing of casting be
It is carried out in annealing furnace, and the annealing of casting is the process of a high energy consumption, so that the production cost of casting sharply increases, in order to the greatest extent
It is likely to reduced production cost of the casting in annealing operation, simultaneously in order to promote the annealing efficiency of annealing furnace, needs to annealing furnace
It is sealed and improves, this problem is also the problem of annealing operation.
Summary of the invention
In view of the low problem of the increase of annealing operation energy consumption, efficiency, benefit caused by furnace poor sealing annealed above, having must
It is proposed a kind of annealing furnace furnace body and its encapsulating method, the annealing furnace furnace body is equipped with sealing structure, the encapsulating method be
Furnace bottom and fire door etc. and annealing furnace furnace body non-integral carry out secondary seal, with realize under working condition annealing furnace it is close
Envelope, reaches the uniform purpose of furnace temperature in annealing furnace.
A kind of annealing furnace furnace body, including furnace body, transfer car(buggy), fire door, fume extractor, pallet, control system and sealing knot
Structure, the furnace body are the not frame structure of the cuboid of bottom surface or cubic shaped；The transfer car(buggy) is used for will be wait move back
The casting of fire is transferred to and produces the annealing furnace furnace body；One side wall of the furnace body is equipped with the fire door, the fire door
It is set as lifting up and down；Furnace body side wall where opposite fire door position of another side wall at the top of furnace body or
The fume extractor is set on the top of furnace body far from fire door；The set-up of control system is being equipped with the furnace body of fire door
On side wall, human-computer interaction is realized in the form of control panel；On the one hand the pallet carries casting to be annealed, on the other hand make
For the bottom plate of the furnace body, to play the role of the closure furnace body bottom；In order to make fire door and pallet and furnace body
Junction can well contact, and be equipped with the sealing structure between pallet and furnace body between fire door and furnace body, from
And realize the sealing to annealing furnace furnace body, realize that annealing furnace body temperature is uniform, the purpose of annealing efficiency height, high efficiency.
Illustrate: for aspect description, now making following regulation, the side wall of the furnace body equipped with fire door is known as front side wall；
Opposite another side wall parallel with front side wall is known as rear wall, and the fume extractor can be set on the rear wall；Connection
The two side walls of the front side wall and rear wall are known as enclosing side wall.
As further limiting for the technical program, sealing structure one, institute are equipped between the pallet and the rear wall
If stating sealing structure one equipped with sealing plate one and dry seal executing agency, several sealing executing agencies are evenly arranged on the sealing
On plate；The sealing plate one is laid along the bottom end face of the rear wall；After pallet playback, the sealing executing agency
Push the sealing plate one to the pallet, to realize sealing to pallet and rear wall, the sealing executing agency can be with
For the cylinder of straight trip.The sealing plate one is along the elongated laying of rear wall length direction.
More preferably, on the end face that the sealing plate one is contacted with pallet, flexible seals are additionally provided with, to reinforce sealing effect
Fruit.
As further limiting for the technical program, the pallet and enclose between side wall be equipped with sealing structure two, it is described close
The lower section for enclosing side wall and pallet seam crossing that seal structure two is arranged equipped with sealing plate two and hold-down mechanism, the sealing plate two, or
Person says that the sealing plate two is arranged symmetrically across in the seam crossing for enclosing side wall and pallet, and along the seam crossing；The compacting machine
One end of structure is connected to two lower section of sealing plate, realizes the compression to the sealing plate two, also i.e. that the sealing plate two is tight
Press and be connected to the seam crossing for enclosing side wall and pallet, to realize the sealing to enclosing between side wall and pallet；The compacting machine
The other end of structure is arranged on the end face for enclosing side wall, and the hold-down mechanism is equipped with hinge, is connected to one end of the lever on hinge
Be connected to the lower section of sealing plate two, the other end is connected to the fixing end of hold-down mechanism, the end face for enclosing side wall is arranged in the fixing end
On, such as hold-down mechanism can be the cylinder equipped with hinge.The sealing plate two is along enclosing the elongated laying in side wall length direction.
More preferably, the hold-down mechanism is uniformly equipped with several below the sealing plate two, wherein in the sealing
Two end points of plate two must be provided with.
As further limiting for the technical program, sealing structure three is equipped between the pallet and front side wall, it is described close
Seal structure three is equipped with sealing plate three, elastic parts and elastic parts bracket, and one end of the elastic parts bracket is arranged in pallet
Bottom surface on, the other end of the elastic parts bracket stretches out the pallet and below front side wall, to accept or prop up
Support the elastic parts；One end of the elastic parts is connected on the elastic parts bracket, the elastic parts it is another
End is equipped with the sealing plate three；The elastic parts and elastic parts bracket is groups of is provided with several groups, is uniformly distributed
Below the sealing plate three；From spatially saying, the sealing plate three is placed in above the elastic parts, the elastic parts is set
In on the elastic parts bracket, set by the sealing structure three that the sealing plate three, elastic parts and elastic parts bracket form
It is placed in the underface of front side wall bottom face.The sealing plate three is along the elongated laying of front side wall length direction.
More preferably, the sealing plate three can extend to the underface of fire door position, just fall when fire door closure
On the sealing plate three, the elastic parts can also play buffer function when fire door closure.
As further limiting for the technical program, sealing structure four is equipped between the fire door and front side wall, it is described close
Seal structure four be equipped with sealing compression bar and straight trip cylinder, it is described sealing compression bar one end be connected on the straight trip cylinder, the other end
It is placed in the positive front of fire door, in straight trip cylinder movement, the other end of the sealing compression bar is advanced to fire door, and is compressed
The fire door realizes the sealing of fire door and front side wall so that fire door is crimped on the front side wall；The straight trip cylinder is hinged
In on the side of the front side wall namely it is described straight trip cylinder be articulated with front side wall with enclose side wall interface on.The sealing
It is equipped in the short transverse of front side wall if several groups namely the sealing structure four is arranged in structure four on the side of front side wall
Dry group realizes the sealing of fire door and front side wall to realize the pressuring action to fire door two sides.
A kind of encapsulating method of annealing furnace furnace body, first sealing pallet and furnace body, secondly seal fire door and front side wall, from
And be sealed the joining place of the annealing furnace furnace body nonintegrated structure, in other words by the fluid communication of the annealing furnace furnace body
Place is sealed using the sealing structure, to realize the uniformity of annealing furnace intracorporal heat preservation and in-furnace temperature.When holding
When carrying the pallet playback of casting to be annealed in the annealing furnace body, start the sealing structure one, sealing structure two and close
Seal structure three by pallet and rear wall, pallet and encloses the gap sealing between side wall and pallet and front side wall；It is closed furnace later
Door, starts the sealing structure four, by the gap sealing of fire door and front side wall, to realize the sealing of entire annealing furnace furnace body.
Beneficial effects of the present invention: by the way that sealing knot is arranged at the bottom of the active open in annealing furnace furnace body and fire door
Structure realizes the sealing of entire annealing furnace furnace body, is lost from active open to reduce or avoid in-furnace temperature, is promoted
The uniformity of furnace body temperature realizes the purpose for reducing energy consumption, while improving the efficiency and benefit of annealing.
Detailed description of the invention
Fig. 1 is annealing furnace furnace body structure schematic side view, namely from the cross-sectional view for enclosing sidewall direction and looking over；
Fig. 2 is one axis side schematic diagram of sealing structure；
Fig. 3 is three axis side schematic diagram of sealing structure；
Fig. 4 is annealing furnace furnace body structure of the main view, namely the cross-sectional view looked over from fire door direction；
Fig. 5 is two axis side schematic diagram of sealing structure；
Fig. 6 is annealing furnace furnace structure schematic top plan view, namely looks down past cross-sectional view at the top of furnace body；
Fig. 7 is four axis side schematic diagram of sealing structure.
In figure, 1- sealing structure one；101- sealing plate one；102- seals executing agency；2- sealing structure two；201- sealing
Plate two；202- hold-down mechanism；3- sealing structure three；301- sealing plate three；302- elastic parts；303- elastic parts bracket；4-
Sealing structure four；401- seals compression bar；402- straight trip cylinder；403- adapter；5- pallet；6- front side wall；7- rear wall；8- encloses
Side wall；9- fire door；10- fume extractor.
Specific embodiment
In order to illustrate more clearly of technical solution of the present invention, will be described in detail according to figure embodiment, it is aobvious and easy
Insight, the accompanying drawings in the following description are exemplary embodiments of the invention, for those of ordinary skill in the art, are not being paid
Under the premise of creative work, it is also possible to obtain other drawings based on these drawings.
Such as Fig. 1, Fig. 4 and annealing furnace furnace body shown in fig. 6, the annealing furnace furnace body includes furnace body, pallet 5 and fire door 9.
The furnace body encloses side wall 8 equipped with front side wall 6, rear wall 7, roof and two；The fire door 9 is set as oscilaltion mode,
The front side wall 6 be equipped with the mutually matched firedoor frame of the fire door 9, in other words, the fire door 9 is to be closed the fire door
Frame, to form the annealing furnace furnace body of closed space；The pallet 5 can free in and out the furnace body by the firedoor frame,
After the pallet 5 enters in the furnace body in place, so that the furnace body of script bottom-open forms closed mode, in conjunction with
The fire door fallen into place forms the annealing furnace furnace body an of closed space.
In order to solve the sealing problem at the above furnace bottom and firedoor frame, between the pallet 5 and furnace body and fire door 9 with
Sealing structure is equipped between front side wall 6.Sealing structure one is equipped between the pallet 5 and rear wall 7, in 5 He of pallet
It is enclosed described in two and is respectively equipped with sealing structure two between side wall, sealing structure three is equipped between the pallet 5 and front side wall 6,
Sealing structure four is equipped between the front side wall 6 and fire door 9.As shown in Fig. 2, the sealing structure 1 is equipped with sealing plate one
101 and sealing executing agency 102, the sealing plate 1 elongated laying along 7 bottom end face length direction of rear wall, and be
The sealing effect of the reinforcement sealing plate 1, is additionally provided with soft on the end face that the sealing plate 1 is contacted with pallet 5
Property sealing element, such as rubber, felt；The sealing plate 1 is equipped with sealing executing agency 102 far from one end of pallet 5, described
It seals executing agency 102 and is equipped with several, can be evenly distributed on the sealing plate 1, the sealing executing agency 102 can
Think that cylinder, cylinder etc. have the component of propulsion functions, be also possible to digital jack, thread screw etc., when using electrified
When component, automatic controlling and monitoring can be realized.As shown in figure 5, the sealing structure 22 is equipped with sealing plate 2 201 and compresses
Mechanism 202, the sealing plate 2 201 are arranged in pallet 5 and enclose at the gap between side wall 8, and the sealing plate 2 201 is along support
Disk 5 is enclosing elongated below 8 bottom end face of side wall be symmetrical arranged with the gap for enclosing side wall 8, it is preferable that in order to effective close
It seals the pallet 5 and encloses the gap between side wall 8, when the pallet 5 playbacks in place, the bottom surface of the pallet 5 is enclosed with described
The bottom end face of side wall 8 is in same level, to make the sealing plate 2 201 be in horizontality, to reach good
Sealing effect；The hold-down mechanism 202 includes being connected to described to enclose cylinder on 8 bottom end face of side wall and execute with the cylinder
The connected hinge bar in end, one end of the hinge bar are docked with the actuating station of the cylinder, the other end of the hinge bar and institute
It states sealing plate 2 201 to be connected, the cylinder is by promoting the hinge bar to realize the pressuring action to sealing plate 2 201.Such as Fig. 3
Shown, the sealing structure 33 is equipped with sealing plate 3 301, elastic parts 302 and elastic parts bracket 303, the sealing plate three
Below 6 bottom end face of front side wall of 301 elongated settings, the elastic parts 302 is placed in 3 301 lower section of sealing plate, institute
The one end for stating elastic parts 302 is connected with the sealing plate 3 301, the other end of the elastic parts 302 and the elastic group
Part bracket 303 is connected, and the elastic parts bracket 303 is connected on the bottom surface of the pallet 5 by one end, the elastic parts
The other end namely the sealing structure 33 of 302 snappings and the elastic parts bracket 303 are integrally connected to the pallet 5
On, it is mobile with pallet 5, in the manufacturing process of the sealing plate 3 301, in order to guarantee between sealing plate 3 301 and pallet 5
Flexible seals, the sealing plate three can be set on the end face that the sealing plate 3 301 is contacted with the pallet 5 in leakproofness
301 other ends far from pallet 5 are free end, and the free end can grow the width of the bottom end face of the front side wall 6, prolong
Extend to the underface of fire door 9；Certain compression is imposed by elastic parts 302 between the sealing plate 3 301 and the front side wall 6
Power, to guarantee the sealing effect between sealing plate 3 301 and front side wall.More preferably, in order to guarantee sealing plate 3 301 and pallet 5
Between sealing effect, can by the snapping relationship between the elastic parts 302 and elastic parts bracket 303 slidably, with
It realizes and the elastic parts 302 is promoted and locked to the direction of the pallet 5；The elastic parts 302 can be by two
Same spring composition, is also possible to be made of four same springs, depending on the demand of sealing intensity, or regards selection
Depending on the performance of spring.As shown in fig. 7, the sealing structure 44 is equipped with sealing compression bar 401 and straight trip cylinder 402, the straight trip
Cylinder 402 is connected to the side end face of the front side wall 6 by adapter 403, one end of the adapter 403 be connected to it is described before
The side end face of side wall 6, the other end are connected with the straight trip cylinder 402, are also hinged with the sealing compression bar on the adapter 403
401, the sealing compression bar 401 is articulated with the adapter 403 by middle part, and one end of the sealing compression bar 401 is connected to institute
The actuating station of straight trip cylinder 402 is stated, the other end of the sealing compression bar 401 is being placed in fire door 9 corresponding with the firedoor frame just
Front, when cylinder 402 of keeping straight on promotes the sealing compression bar 401, the sealing compression bar 401 is advanced to the fire door 9, to compress
The fire door 9, the sealing structure 44 are equipped with several along the side end face of 6 short transverse of front side wall, to realize fire door
9 uniform compactions are on the firedoor frame being arranged on front side wall 6, to realize the sealing between fire door 9 and front side wall 6.
The operational process of the annealing furnace furnace body are as follows:
1) casting to be annealed is transported to the fire door of the annealing furnace furnace body by transloading equipment；
2) fire door 9 is risen, the casting to be annealed is transferred on pallet 5；
3) start sealing structure 1, sealing structure 22 and sealing structure 33, make the pallet 5 for carrying casting to be annealed
Reach sealing state with furnace body；
4) decline fire door 9, after fire door 9 is fallen into place, start sealing structure 44, seal the fire door 9 and front side wall 6,
To realize the sealing of entire annealing furnace furnace body.
When the annealing furnace furnace body needs maintenance or maintenance, the pallet 5 is driven out to the furnace body, to institute
The each side wall for stating pallet 5 and furnace body carries out maintenance.The sealing between first removal pallet 5 and rear wall 7 is needed at this time
Pressure, removal pallet 5 and the hold-down mechanism for enclosing the sealing structure 22 between side wall 8 of the sealing executing agency 102 of structure 1
202 pressure；The pallet 5 is driven out to from furnace body again, the sealing structure 33 is moved out of together with pallet 5；Wait safeguard
After, then by the pallet 5 playback into furnace body, and make the sealing structure in place.
As an improvement of this embodiment, the front side wall of the furnace body can be directly the fire door namely described
Furnace body directly encloses what side wall formed by fire door, rear wall and two, to further save the production of the annealing furnace furnace body
Cost also reduces the production of sealing structure three and uses difficulty.For sealing structure three, when fire door rises, the bullet
Property component restore namely zero potential energy states；After fire door decline, the elastic parts is compressed by fire door, so that sealing plate
Three realize to the sealing between fire door and pallet.
Another kind as the present embodiment improves, and can add Distance-sensing on the direction of travel of the sealing structure
Device makes sealing structure stop advancing when the travel distance of sealing structure reaches the length of setting, and the pressure maintained like is i.e.
Can, to realize lasting pressure maintaining sealing effect.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (10)
1. a kind of annealing furnace furnace body, including furnace body, transfer car(buggy), fire door (9), fume extractor (10), pallet (5), control system,
It is characterized in that, the annealing furnace furnace body further includes sealing structure, the sealing structure is arranged in the pallet (5) and furnace body
Between between fire door (9) and furnace body.
2. annealing furnace furnace body as described in claim 1, which is characterized in that the sealing structure includes being arranged in rear wall (7)
Sealing structure one (1), setting between pallet (5) are enclosing the sealing structure two (2) between side wall (8) and pallet (5), setting
The sealing knot of sealing structure three (3) and setting between fire door (9) and front side wall (6) between front side wall (6) and pallet (5)
Structure four (4).
3. annealing furnace furnace body as claimed in claim 2, which is characterized in that the sealing structure one (1) is equipped with sealing plate one
(101) and if dry seal executing agency (102), bottom end of the elongated setting of the sealing plate one (101) in rear wall (7)
Face, several sealing executing agencies (102) are evenly provided on the sealing plate one (101)；The sealing executing agency
(102) push the sealing plate one (101) to the pallet (5) and compress, to realize sealing.
4. annealing furnace furnace body as claimed in claim 3, which is characterized in that the sealing plate one (101) connects with the pallet (5)
The end face of touching is equipped with flexible seals.
5. annealing furnace furnace body as claimed in claim 2, which is characterized in that the sealing structure two (2) is equipped with sealing plate two
(201) it is arranged at pallet (5) and the gap for enclosing side wall (8) with hold-down mechanism (202), the sealing plate two (202), the pressure
One end of tight mechanism (202) be connected to it is described enclose on the bottom surface end face of side wall (8), the other end of the hold-down mechanism (202) with
The sealing plate two (202) is connected, and the sealing plate two (201) is pushed to the pallet (5) and enclosed by hold-down mechanism (202)
Sealing is realized at the gap of side wall (8).
6. annealing furnace furnace body as claimed in claim 5, which is characterized in that the hold-down mechanism (202) is along the sealing plate two
(201) several are evenly distributed with；The sealing plate two (201) is symmetrical along the gap.
7. annealing furnace furnace body as claimed in claim 2, which is characterized in that the sealing structure three (3) is equipped with sealing plate three
(301), elastic parts (302) and elastic parts bracket (303), one end of the elastic parts bracket (303) are connected to described
The bottom surface of pallet (5), the other end of elastic parts (302) setting in the elastic parts bracket (303), the sealing plate
The other end in the elastic parts (302) is arranged in three (301), and the sealing structure three (3) can be with described in pallet (5) disengaging
Furnace body.
8. annealing furnace furnace body as claimed in claim 7, which is characterized in that one end of the sealing plate three (301) is against described
Pallet (5), the other end of the sealing plate three (301) after the fire door (9) is closed in place, are pressed along extending to immediately below fire door (9)
The real sealing structure three (3), the sealing between realization fire door (9), front side wall (6) and pallet (5).
9. annealing furnace furnace body as claimed in claim 2, which is characterized in that the sealing structure four (4) is equipped with sealing compression bar
(401), straight trip cylinder (402) and adapter (403), before the straight trip cylinder (402) is connected to by the adapter (403)
On the side end face of side wall (6) short transverse, the sealing compression bar (401) is articulated with the adapter (403), the sealing compression bar
(401) one end is connected to the straight trip actuating station of cylinder (402), the other end is placed in the fronts of fire door (9), by furnace
(9) it is pressed against on front side wall (6)；The sealing structure four (4) is symmetrically arranged with along the two sides of front side wall (6) short transverse
It is several right.
10. a kind of encapsulating method of annealing furnace furnace body, which is characterized in that including the following contents:
After pallet returns and sails playback to furnace body, starting sealing structure one, sealing structure two and sealing structure three, sealing rear side
Wall encloses gap between side wall and front side wall and pallet；
After in casting merging furnace body to be annealed, the fire door is closed, is crimped on fire door in the sealing structure three, Sealing furnace
Gap between door, front side wall and pallet；
Start sealing structure four, the fire door is pressed on front side wall, or for there is no the case where front side wall, is by fire door
It is pressed to and encloses on side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196933.5A CN109897944A (en) | 2019-03-15 | 2019-03-15 | Annealing furnace furnace body and its encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196933.5A CN109897944A (en) | 2019-03-15 | 2019-03-15 | Annealing furnace furnace body and its encapsulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109897944A true CN109897944A (en) | 2019-06-18 |
Family
ID=66953253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910196933.5A Pending CN109897944A (en) | 2019-03-15 | 2019-03-15 | Annealing furnace furnace body and its encapsulating method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109897944A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347179A (en) * | 1993-06-10 | 1994-12-20 | Ishikawajima Harima Heavy Ind Co Ltd | Furnace door sealing device |
| CN102477481A (en) * | 2010-11-23 | 2012-05-30 | 丹阳市江南工业炉有限公司 | Large-scale trolley-type gas low-temperature annealing furnace |
| CN107419068A (en) * | 2017-09-21 | 2017-12-01 | 江苏恒力炉业有限公司 | A kind of sector gas saves annealing furnace |
| CN207210479U (en) * | 2017-09-21 | 2018-04-10 | 江苏恒力炉业有限公司 | A kind of sector gas saves annealing furnace |
| CN207498444U (en) * | 2017-12-04 | 2018-06-15 | 洛阳新远大冶金成套设备有限公司 | Annealing furnace and annealing furnace for aluminum |
| CN208151419U (en) * | 2018-03-04 | 2018-11-27 | 江苏恒力炉业有限公司 | A kind of environmentally friendly annealing furnace with waste heat processing function |
-
2019
- 2019-03-15 CN CN201910196933.5A patent/CN109897944A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347179A (en) * | 1993-06-10 | 1994-12-20 | Ishikawajima Harima Heavy Ind Co Ltd | Furnace door sealing device |
| CN102477481A (en) * | 2010-11-23 | 2012-05-30 | 丹阳市江南工业炉有限公司 | Large-scale trolley-type gas low-temperature annealing furnace |
| CN107419068A (en) * | 2017-09-21 | 2017-12-01 | 江苏恒力炉业有限公司 | A kind of sector gas saves annealing furnace |
| CN207210479U (en) * | 2017-09-21 | 2018-04-10 | 江苏恒力炉业有限公司 | A kind of sector gas saves annealing furnace |
| CN207498444U (en) * | 2017-12-04 | 2018-06-15 | 洛阳新远大冶金成套设备有限公司 | Annealing furnace and annealing furnace for aluminum |
| CN208151419U (en) * | 2018-03-04 | 2018-11-27 | 江苏恒力炉业有限公司 | A kind of environmentally friendly annealing furnace with waste heat processing function |
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Application publication date: 20190618 |