CN105466218A - Sealed extrusion door structure for building protective atmosphere - Google Patents
Sealed extrusion door structure for building protective atmosphere Download PDFInfo
- Publication number
- CN105466218A CN105466218A CN201510987585.5A CN201510987585A CN105466218A CN 105466218 A CN105466218 A CN 105466218A CN 201510987585 A CN201510987585 A CN 201510987585A CN 105466218 A CN105466218 A CN 105466218A
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- Prior art keywords
- door
- air chamber
- plate
- air
- atmosphere
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a sealed extrusion door structure for building a protective atmosphere. The sealed extrusion door structure comprises a chamber body consisting of a plurality of air chambers which are connected sequentially. The same end part of each air chamber is provided with a door plate, a lifting cylinder, an extrusion cylinder and a sealing gasket, wherein the lifting cylinder is used for driving the door plate to perform lifting motion in the vertical direction and is connected with the top of the door plate through a flexible connecting part; the extrusion cylinder is used for extruding the door plate in the horizontal direction and is connected with the side part of the door plate through an extrusion pushing head; the sealing gasket is adaptive to the door plate and is used for guaranteeing the air-tightness of the air chambers when the door plate is closed. Each air chamber is provided with an atmosphere inlet and an atmosphere outlet. The sealed extrusion door structure disclosed by the invention can be used for building a required technological atmosphere in a segmenting way and has the advantages of eliminating interferences caused by external air to a hearth, overcoming the disadvantage that the amount of replaceable chambers in a multi-channel non-sealed gate structure is uncertain, also adapting to a continuous electronic industrial furnace of which the opening is relatively wide, and reducing the amount of consumed air.
Description
Technical field
The present invention relates to continous way Developing Electkonic Industrial Kilns technical field, be specifically related to a kind of sealed extruded door being applied to the continous way Developing Electkonic Industrial Kilns needing the fire door of foundation protection or special process atmosphere wider.
Background technology
At present, there are following two kinds of modes in the foundation of existing continous way Developing Electkonic Industrial Kilns atmosphere: one adopts multiple tracks non-tight gate structure, the mode that this structure adopts atmosphere to replace step by step, but because each Product Process is different to atmosphere requirements, make the quantity of corresponding required displacement chamber exist uncertain; Another considers to intercept, and intercepts outside air enter burner hearth by protection air curtain; But the air-flow formed due to air curtain will have certain pressure, thus, is comparatively applicable to the continous way Developing Electkonic Industrial Kilns that fire door is narrower, and there is the large problem of air consumption.
Summary of the invention
The object of the present invention is to provide a kind of sealed extruded door setting up protective atmosphere; sealing extruding door can solve the deficiencies in the prior art; can not only segmented set up required for processing atmosphere; eliminate outside air to the interference of burner hearth; overcome in multiple tracks non-tight gate structure and replace the probabilistic drawback of chamber quantity; the continous way Developing Electkonic Industrial Kilns that fire door is wider can also be applicable to, reduce air consumption.
For achieving the above object, present invention employs following technical scheme:
Set up a sealed extruded door for protective atmosphere, comprise the cavity be made up of some air chambers be connected successively; The same end of each air chamber be equipped with door-plate, for drive door-plate in the vertical direction to do elevating movement and the lift cylinder be connected with door-plate top by flexible connecting member, for extruding door-plate in the horizontal direction and by extruding the extruding cylinder of cutting somebody's hair and being connected with door-plate sidepiece and adapting with door-plate and sealing gasket for ensureing air chamber sealing when door-plate cuts out; Each air chamber is provided with atmosphere air inlet and atmosphere exhaust outlet respectively.
Further, described lift cylinder comprises fixed part and movable part, and described movable part is connected by the upper end of guide rod with described flexible connecting member, and the lower end of described flexible connecting member is connected with the top of described door-plate.
Further, the inside bottom of each air chamber is equipped with gas box, and the atmosphere air inlet of each air chamber is connected with the gas box of this air chamber; The top of described gas box is provided with some equally distributed pores.
Further, in each air chamber, be equipped with transmission mechanism, and described transmission mechanism is provided with photoelectric sensor.
Further, the bottom of each air chamber is equipped with binder removal mouth.
Further, described guide rod is provided with guide pin bushing, described guide pin bushing offers the second air inlet.
Further, the periphery of described guide pin bushing is provided with cooling box.
From above technical scheme, the present invention can solve the deficiencies in the prior art, can not only segmented set up required for processing atmosphere, eliminate outside air to the interference of burner hearth, overcome in multiple tracks non-tight gate structure and replace the probabilistic drawback of chamber quantity, the continous way Developing Electkonic Industrial Kilns that fire door is wider can also be applicable to, reduce air consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged diagram of A in Fig. 1;
Fig. 3 is side view of the present invention;
Fig. 4 is using state schematic diagram of the present invention.
Wherein:
1, cavity, 2, atmosphere exhaust outlet, 3, cooling box, 4, maintenance window, 5, binder removal mouth, 6, sealing gasket, 7, door-plate, 8, flexible connecting member, 9, extruding cylinder, 10, extruding is cut somebody's hair, 11, guide rod, 12, guide pin bushing, 13, lift cylinder, 14, floating junction, 15, photoelectric sensor, 16, alignment mechanism, 17, clamping device, 18, second air inlet, 19, atmosphere air inlet, 20, gas box, 21, transmission mechanism one (transmission mechanism of air chamber one), 22, transmission mechanism two (transmission mechanism of air chamber two), 23, transmission mechanism three (transmission mechanism of air chamber three), 24, burner hearth, 25, saggar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
A kind of sealed extruded door setting up protective atmosphere as shown in Figure 1-Figure 3, comprises the cavity 1 be made up of the air chamber one be connected successively, air chamber two and air chamber three; The same end of each air chamber be equipped with door-plate 7, for drive door-plate 7 in the vertical direction to do elevating movement and the lift cylinder 13 be connected with door-plate 7 top by flexible connecting member 8, for extruding door-plate 7 in the horizontal direction and by extruding the 10 extruding cylinders 9 be connected with door-plate 7 sidepiece and adapting with door-plate 7 and sealing gasket 6 for ensureing air chamber sealing when door-plate 7 cuts out of cutting somebody's hair; Each air chamber is provided with atmosphere air inlet 19 and atmosphere exhaust outlet 2 respectively.Described door-plate, under the driving of lift cylinder, can do elevating movement by the vertical direction, when door-plate rises to certain position with lift cylinder, what realize is the unlatching of door-plate, when door-plate drops to certain position with lift cylinder, realization be the closedown of door-plate.After door-plate cuts out, under the effect of extruding cylinder, door-plate moves near the direction of sealing gasket, thus ensures that air chamber has good sealing.Described extruding is cut somebody's hair, and finely tunes for end of door plate movement travel in the horizontal direction, thus makes door-plate crush seal pad, and reaching door-plate and sealing gasket can close contact, makes air chamber have good sealing.For each air chamber, be all by atmosphere air inlet 19, in air chamber, pass into processing atmosphere; After completing displacement in air chamber, displacement atmosphere is discharged to outside air chamber by atmosphere exhaust outlet 2.The present invention is by being divided into several air chambers by cavity, and making each air chamber have can vertically and the door-plate of horizontal motion, independent adjustment and the classification displacement of each air chamber processing atmosphere can be realized, and the sealing property that each air chamber is good can be ensured.
Further, described lift cylinder 13 comprises fixed part and movable part, and described movable part is connected by the upper end of guide rod 11 with described flexible connecting member 8, and the lower end of described flexible connecting member 8 is connected with the top of described door-plate 7.Described flexible connecting member can not only make door-plate move in the horizontal direction under the promotion of extruding cylinder by flexibly connecting, can not collide rub when door-plate can also be made to do elevating movement with lift cylinder with miscellaneous part.
Further, the inside bottom of each air chamber is equipped with gas box 20, and the atmosphere air inlet 19 of each air chamber is connected with the gas box 20 of this air chamber; The top of described gas box 20 is provided with some equally distributed pores.The present invention by arranging gas box, and offers some equally distributed pores at the top of gas box, can play the effect of even air inlet, but also can the dead angle air of abundant displacement gas indoor, cools the object in saggar.
Further, in each air chamber, be equipped with transmission mechanism, and described transmission mechanism is provided with photoelectric sensor 15.Each air chamber relies on respective transmission mechanism, realizes the driven separately of each air chamber.In FIG, transmission mechanism 1 is the transmission mechanism of air chamber one, and transmission mechanism 2 22 is the transmission mechanism of air chamber two, and transmission mechanism 3 23 is the transmission mechanism of air chamber three.Described transmission mechanism comprises motor and live-roller, or described transmission mechanism comprises motor and conveyer belt.Described transmission mechanism, for entering the saggar 25 being loaded with material of this air chamber according to the direction of motion transport of specifying.Described photoelectric sensor 15, for detect be loaded with material saggar 25 residing for position, guarantee that object accurately can run to assigned address.
Further, the bottom of each air chamber is equipped with binder removal mouth 5.The effect of described binder removal mouth 5 is: water, colloid etc. that material waste gas condensation is formed are carried out periodic exhaustion.
Further, described guide rod 11 is provided with guide pin bushing 12, described guide pin bushing 12 offers the second air inlet 18.Described guide pin bushing 12, runs according to fixation locus for making described guide rod 7.The effect of described second air inlet 18 is: form air curtain, intercepts material waste gas to the impact of guide rod 7.
Further, the periphery of described guide pin bushing 12 is provided with cooling box 3.Described cooling box 3, plays the effect of cooling, for reducing the temperature of cavity 1 under the effect of water-cooled.Described guide pin bushing 12 is also provided with maintenance window 4, the window that described maintenance window 4 is reserved for ease of plant maintenance maintenance.Described lift cylinder is provided with floating junction 14, and described floating junction 14, for finely tuning the motion of described guide rod 11, ensures the stability of guide rod motion.
Operation principle of the present invention and the course of work are:
The import or export of sealed extruded door of the present invention and burner hearth 24 is tightly connected.As shown in Figure 4, burner hearth 25 left side is the sealed extruded door of import department, if it is sealed extruded door A; Be the sealed extruded door in exit on the right of burner hearth 25, if it is sealed extruded door B.Sealed extruded door A is identical with the structure of sealed extruded door B, and the two includes the air chamber that air chamber one, air chamber two, air chamber 33 are connected successively.As shown in Figure 4, sealed extruded door A is followed successively by air chamber three, air chamber two and air chamber one from left to right.The door-plate of three air chambers is separately positioned on the left end of each air chamber, the right-end openings of air chamber one, and the right-end openings place of air chamber one is connected with the inlet seal of burner hearth 24.Wherein, the lift cylinder of air chamber one is 13-1a, and extruding cylinder is 9-1a, and the photoelectric sensor in air chamber one has 1-1 and 1-2 two; The lift cylinder of air chamber two is 13-2a, and extruding cylinder is 9-2a, and the photoelectric sensor in air chamber two has 1-3 and 1-4 two; The lift cylinder of air chamber three is 13-3a, and extruding cylinder is 9-3a, and the photoelectric sensor in air chamber three has 1-5 and 1-6 two.Sealed extruded door B is followed successively by air chamber one, air chamber two and air chamber three from left to right.The door-plate of three air chambers is separately positioned on the right-hand member of each air chamber, the left end opening of air chamber one, and the left end opening part of air chamber one is connected with the exit seal of burner hearth 24.Wherein, the lift cylinder of air chamber one is 13-1b, and extruding cylinder is 9-1b, and the photoelectric sensor in air chamber one has 2-1 and 2-2 two; The lift cylinder of air chamber two is 13-2b, and extruding cylinder is 9-2b, and the photoelectric sensor in air chamber two has 2-3 and 2-4 two; The lift cylinder of air chamber three is 13-3b, and extruding cylinder is 9-3b, and the photoelectric sensor in air chamber three has 2-5 and 2-6 two.
In the import department of kiln burner hearth, the original state of each air chamber of sealed extruded door A is that all door-plates 6 are cut out and crush seal state, material traffic direction is the air chamber three being introduced into sealed extruded door A, then enters air chamber two, then enters air chamber one, finally enters burner hearth 24.In the exit of kiln burner hearth, the original state of each air chamber of sealed extruded door B is also that all door-plates 6 are cut out and crush seal state, material traffic direction is the air chamber one first being entered sealed extruded door B by burner hearth, enter air chamber two again, then enter air chamber three, finally leave air chamber three and enter other stations.And be provided with alignment mechanism 15 and clamping device 16 in the air chamber one of the sealed extruded door B in kiln exit, guarantee that object runs out neat and consistent.
For each air chamber of sealed extruded door A and sealed extruded door B, each air chamber is all pass into processing atmosphere by atmosphere air inlet 19, and atmosphere enters gas box 20, and gas box 20 upper surface has a large amount of pore, guarantees that atmosphere evenly enters air chamber.Displacement atmosphere is discharged air chamber from atmosphere exhaust outlet 2.The present invention adopts multiple air chamber to realize the displacement step by step of processing atmosphere, guarantees that oven cavity atmosphere reaches technological requirement.The present invention by arranging gas box, and offers some equally distributed pores at the top of gas box, can play the effect of even air inlet, but also can the dead angle air of abundant displacement gas indoor, cools the object in saggar.
For sealed extruded door A and B, the original state of the two is: the door-plate of three air chambers is cut out and crush seal state, and namely each lift cylinder drops to position, and door-plate cuts out, each extruding cylinder extruding puts in place, and door-plate and sealing gasket are closely cooperated.
Introducing lower specific works process of the present invention is below, transmission mechanism one, two, three is wherein respectively the transmission mechanism of the air chamber three of sealed extruded door A, air chamber two and air chamber one, and transmission mechanism four, five, six is respectively the transmission mechanism of the air chamber one of sealed extruded door B, air chamber two and air chamber three:
(1) from original state, if sealed extruded door of the present invention receives outside to enabling signal, so extrude cylinder 9-3a and fall back on position, lift cylinder 13-3a is raised to position, the electric machine rotation of transmission mechanism one, drives saggar 25 to run to the right; When photoelectric sensor 1-2 detects that saggar moves to the position of photoelectric sensor 1-2, the motor stalls of transmission mechanism one, and now do not have saggar to block because photoelectric sensor 1-1 detects, therefore, lift cylinder 13-3a drops to position, and extruding cylinder 9-3a enters position.In the present invention, lift cylinder drops to position, refers under the driving of lift cylinder, and door-plate moves downward until closed condition; Lift cylinder is raised to position, refers to that door-plate moves upward until open mode; Extruding cylinder enters position, refers to that, under the driving of extruding cylinder, door-plate moves near the direction of sealing gasket, until door-plate and sealing gasket closely cooperate; Extruding cylinder falls back on position, refers to that, under the driving of extruding cylinder, door-plate moves to the direction away from sealing gasket, until return to the initial position of door-plate.
(2) extrude cylinder 9-2a and fall back on position, lift cylinder 13-2a is raised to position, the motor of transmission mechanism one and two rotates simultaneously, when photoelectric sensor 1-4 detects that saggar 25 runs to the position of photoelectric sensor 1-4, the motor stalls of transmission mechanism one and two, and now photoelectric sensor 1-3 detects do not have saggar to block, lift cylinder 1-2 drops to position, and extruding cylinder 1-2 enters position.
(3) extrude cylinder 9-3a and fall back on position, lift cylinder 13-1a is raised to position, the motor of transmission mechanism two and three rotates simultaneously, when photoelectric sensor 1-6 detects that saggar runs to the position of photoelectric sensor 1-6, the motor stalls of transmission mechanism two, the speed of transmission mechanism three switches to and burner hearth speed sync, and now photoelectric sensor 1-5 detects do not have saggar to block, lift cylinder 13-1a drops to position, and extruding cylinder 9-1a enters position.
(4) when photoelectric sensor 2-2 detects that saggar 25 moves to the position of photoelectric sensor 2-2 by burner hearth 24, transmission mechanism four switches to than burner hearth speed speed faster by burner hearth synchronizing speed, the time delay some time, the gripper cylinder of clamping device 17 carries out clamping to saggar 25 and makes uniform, the time delay some time again, baffle plate cylinder drops to position, extruding cylinder 9-1b falls back on position, lift cylinder 13-1b is raised to position, the motor of transmission mechanism four and five rotates simultaneously, when photoelectric sensor 2-4 detects that saggar 25 runs to the position of photoelectric sensor 2-4, baffle plate cylinder is raised to position, the motor of transmission mechanism four switches to and burner hearth speed sync, the motor stalls of transmission mechanism five, and now photoelectric sensor 2-3 detects do not have saggar to block, lift cylinder 13-1b drops to position, extruding cylinder 9-1b enters position.
(5) extrude cylinder 9-2b and fall back on position, lift cylinder 13-2b is raised to position, the motor of transmission mechanism five and six rotates simultaneously, when photoelectric sensor 2-6 detects that saggar 25 runs to the position of photoelectric sensor 2-6, the motor stalls of transmission mechanism five and six, and now photoelectric sensor 2-5 detects do not have saggar to block, lift cylinder 13-2b drops to position, and extruding cylinder 9-2b enters position.
(6) sealed extruded door B receive outside to enabling signal, extruding cylinder 9-3b falls back on position, lift cylinder 13-3b is raised to position, the electric machine rotation of transmission mechanism six, saggar 25 runs to outside platform, the motor stalls of transmission mechanism six, and saggar 25 platform puts in place, lift cylinder 13-3b drops to position, and extruding cylinder 9-3b enters position.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. set up a sealed extruded door for protective atmosphere, it is characterized in that: comprise the cavity be made up of some air chambers be connected successively; The same end of each air chamber be equipped with door-plate, for drive door-plate in the vertical direction to do elevating movement and the lift cylinder be connected with door-plate top by flexible connecting member, for extruding door-plate in the horizontal direction and by extruding the extruding cylinder of cutting somebody's hair and being connected with door-plate sidepiece and adapting with door-plate and sealing gasket for ensureing air chamber sealing when door-plate cuts out; Each air chamber is provided with atmosphere air inlet and atmosphere exhaust outlet respectively.
2. a kind of sealed extruded door setting up protective atmosphere according to claim 1; it is characterized in that: described lift cylinder comprises fixed part and movable part; described movable part is connected by the upper end of guide rod with described flexible connecting member, and the lower end of described flexible connecting member is connected with the top of described door-plate.
3. a kind of sealed extruded door setting up protective atmosphere according to claim 1, it is characterized in that: the inside bottom of each air chamber is equipped with gas box, and the atmosphere air inlet of each air chamber is connected with the gas box of this air chamber; The top of described gas box is provided with some equally distributed pores.
4. a kind of sealed extruded door setting up protective atmosphere according to claim 1, it is characterized in that: be equipped with transmission mechanism in each air chamber, and described transmission mechanism is provided with photoelectric sensor.
5. a kind of sealed extruded door setting up protective atmosphere according to claim 1, is characterized in that: the bottom of each air chamber is equipped with binder removal mouth.
6. a kind of sealed extruded door setting up protective atmosphere according to claim 2, is characterized in that: described guide rod is provided with guide pin bushing, described guide pin bushing offers the second air inlet.
7. a kind of sealed extruded door setting up protective atmosphere according to claim 6, is characterized in that: the periphery of described guide pin bushing is provided with cooling box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987585.5A CN105466218A (en) | 2015-12-27 | 2015-12-27 | Sealed extrusion door structure for building protective atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987585.5A CN105466218A (en) | 2015-12-27 | 2015-12-27 | Sealed extrusion door structure for building protective atmosphere |
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| Publication Number | Publication Date |
|---|---|
| CN105466218A true CN105466218A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987585.5A Pending CN105466218A (en) | 2015-12-27 | 2015-12-27 | Sealed extrusion door structure for building protective atmosphere |
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| Country | Link |
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| CN (1) | CN105466218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750958A (en) * | 2017-11-03 | 2019-05-14 | 王志锋 | A kind of atmosphere roller furnace inlet and outlet sealing door device |
| CN112857033A (en) * | 2021-01-21 | 2021-05-28 | 苏州博涛机电设备有限公司 | Roller kiln replacement chamber and air exchange system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2755540Y (en) * | 2004-06-23 | 2006-02-01 | 洛伊热工工程(天津)有限公司 | Air lock door sealer |
| CN102589294A (en) * | 2012-04-09 | 2012-07-18 | 浙江科奥陶业有限公司 | Gate device of atmosphere protecting furnace |
| CN202757431U (en) * | 2012-08-19 | 2013-02-27 | 合肥恒力电子装备公司 | On-line replaceable air-bag airtight door for atmosphere protection pusher kiln |
| CN203605694U (en) * | 2013-11-26 | 2014-05-21 | Ngk（苏州）精细陶瓷器具有限公司 | Gas replacing chamber |
| CN205300260U (en) * | 2015-12-27 | 2016-06-08 | 合肥恒力电子装备公司 | Establish protective atmosphere's sealed extrusion door structure |
-
2015
- 2015-12-27 CN CN201510987585.5A patent/CN105466218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2755540Y (en) * | 2004-06-23 | 2006-02-01 | 洛伊热工工程(天津)有限公司 | Air lock door sealer |
| CN102589294A (en) * | 2012-04-09 | 2012-07-18 | 浙江科奥陶业有限公司 | Gate device of atmosphere protecting furnace |
| CN202757431U (en) * | 2012-08-19 | 2013-02-27 | 合肥恒力电子装备公司 | On-line replaceable air-bag airtight door for atmosphere protection pusher kiln |
| CN203605694U (en) * | 2013-11-26 | 2014-05-21 | Ngk（苏州）精细陶瓷器具有限公司 | Gas replacing chamber |
| CN205300260U (en) * | 2015-12-27 | 2016-06-08 | 合肥恒力电子装备公司 | Establish protective atmosphere's sealed extrusion door structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750958A (en) * | 2017-11-03 | 2019-05-14 | 王志锋 | A kind of atmosphere roller furnace inlet and outlet sealing door device |
| CN112857033A (en) * | 2021-01-21 | 2021-05-28 | 苏州博涛机电设备有限公司 | Roller kiln replacement chamber and air exchange system |
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Application publication date: 20160406 |
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