CN108680009A - A kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material - Google Patents
A kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material Download PDFInfo
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- CN108680009A CN108680009A CN201810426741.4A CN201810426741A CN108680009A CN 108680009 A CN108680009 A CN 108680009A CN 201810426741 A CN201810426741 A CN 201810426741A CN 108680009 A CN108680009 A CN 108680009A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/0072—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention belongs to the anti-oxidation preparing technical fields of carbon/carbon compound material, are related to a kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material.The present invention is handled using continuous continuous-flow type inoxidzable coating, design a kind of furnace body temperature field distribution, several warm areas of setting in furnace body, the temperature of warm area needs to set according to processing, workpiece different warm area continuous movings in furnace body realize equivalent heat treatment of workpieces temperature curve by workpiece in different warm areas stop certain time.Process cycle of the present invention is short, production efficiency height, energy-saving safety.
Description
Technical field
The invention belongs to the anti-oxidation preparing technical fields of carbon/carbon compound material, are related to a kind of oxygen of carbon/carbon compound material
Change coating Equipment for Heating Processing and method.
Background technology
The heat treatment technics of Improvement of The Oxidation Protective Coating For C/c Composites at present mainly has vacuum-sintering facture and protection gas
Atmosphere sintering treatment method.
Vacuum-sintering facture is that the carbon/carbon compound material after completion antioxidizing paint brushing is put into vacuum drying oven, is taken out
Vacuum then heats to certain temperature and carries out high temperature sintering.The separation layer that certain thickness is stablized is formed in workpiece surface.This method
It is to be sintered under vacuum conditions to coating.Sintering homogeneous quality is good, and workpiece contamination is small, but due to Vacuum Heat to be used
Processing equipment, so equipment cost is high, and equipment is intermittent operation mode, and processing procedure, which need to pass through, to be vacuumized, fidelity sky, rises
The processes such as temperature, heat treatment, cooling, so long processing period low production efficiency.And since equipment need to carry out heating cooling in the process
So energy waste is big.
Another coating sintering method is protective atmosphere sintering treatment method.This method is after completing antioxidizing paint brushing
Carbon/carbon compound material be put into common shaft furnace, through overprotection gas such as nitrogen prepurging, detection, heating, sintering, cooling
Process carries out the sintering of workpiece coating.This method has equipment cost low, the higher advantage of production efficiency.But due to equipment interval
Formula operating mode, processing procedure is needed by, processes such as prepurging, detection, heating, sintering, cooling, so the production cycle is still longer,
Treatment effeciency is low, and frequently carries out heating cooling operation to furnace body, and energy waste is larger.
Invention content
The purpose of the present invention is：For long processing period existing for existing Improvement of The Oxidation Protective Coating For C/c Composites processing method,
The problems such as low production efficiency, big energy waste, provide that a kind of process cycle is short, production efficiency is high, at energy-efficient continous way coating
Manage device, method.
The technical solution adopted in the present invention is：A kind of inoxidzable coating heat treatment method of carbon/carbon compound material uses
A kind of continuous continuous-flow type inoxidzable coating processing, that is, design a kind of furnace body temperature field distribution, several warm areas, warm area be arranged in furnace body
Temperature need to set according to processing, workpiece different warm area continuous movings in furnace body stop one by workpiece in different warm areas
It fixes time and realizes equivalent heat treatment of workpieces temperature curve.
A kind of inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material, consists of the following parts：
Roller-way 1, charging transfer chamber 2, charging propulsive mechanism 3, heat-treatment zone 4, cold section 5 strong, discharging 6 six part group of transfer chamber
At,
Wherein roller-way 1 moves on it for carrying material boat, it is made to return to feed end by discharge end；1 one end of roller-way with into
Expect that the entrance of transfer chamber 2 is connected, the other end is connected with the outlet of discharging transfer chamber 6.
It includes 2 II liang of sects of feeding gate 2 I and charging transition hatch door to feed transfer chamber 2, is respectively serve to separate extraneous and burner hearth
Inside, to form independent cabin.It is passed through protective gas in transfer chamber, carries out prepurging operation, is opened after driving air therein out of
Transition hatch door is fed, workpiece is sent into the feed end inside burner hearth；
Charging propulsive mechanism 3 is set to 4 front end of heat-treatment zone.Charging propulsive mechanism 3 is responsible for will be fed into the workpiece of feed end
It is pushed ahead with certain speed, workpiece is made to stop certain time in different warm areas, realize the heat treatment to workpiece coating.
4 one end of heat-treatment zone is connected with charging transfer chamber 2, and the other end is connected with strong cold section 5.Heat-treatment zone 4 is by three
The bringing-up section composition of a above independent control, 4 I general set temperature of one warm area is slightly lower, for being preheated to workpiece,
Two after one warm area 4 I are usually set to heat treatment process temperature to warm area second from the bottom, carry out high-temperature process, last warm area
General set temperature is slightly below heat treatment process temperature, enters energy waste caused by strong cooling section to reduce heat.
It is connected with the end of heat-treatment zone 4 before cold section 5 strong, is connected afterwards with discharging transfer chamber 6.Strong cold section 5 by boiler clothing outside
The coolant liquid in portion cools down internal workpiece to realize this section of boiler clothing cooling.It is cooled down by the pressure of this section to accelerate
The rate of temperature fall of workpiece improves production efficiency.
Discharging transfer chamber 6 be responsible for by workpiece by burner hearth discharge end send in delivery roller table 1 with discharging.The part includes mainly
Discharge door 6 I and discharging transition hatch door 6 II, are respectively serve to separate inside extraneous and burner hearth, to form independent cabin.Transfer chamber
In be passed through protective gas, carry out prepurging operation, open discharging bin transition door after driving air therein out of, beaten to avoid transition hatch door
In open procedure, the air in transfer chamber enters burner hearth internal influence workpiece processing quality.
Compared with prior art, the present invention a kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material is right
Once after heating, burner hearth no longer frequently cools down burner hearth, is only that workpiece moves in different warm areas, realizes equivalent coated workpieces
Heat treatment.
Description of the drawings
Fig. 1 is a kind of knot of specific implementation mode of the inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material of the present invention
Structure schematic diagram；
Wherein, 1- roller-ways, 2- chargings transfer chamber, 2 I-feeding gates, 2 II-charging transition hatch doors, 3- chargings propulsive mechanism, 4-
Cold section by force of heat-treatment zone, 4 I-one warm areas, 4 II-two warm areas, 4 III-three-temperature-zones, 4 IV-four-temperature regions, 4 V-five warm areas, 5-, 6- go out
Expect transfer chamber, 6 I-discharge doors, 6 II-discharging transition hatch doors.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.
A kind of inoxidzable coating heat treatment method of carbon/carbon compound material, using a kind of continuous continuous-flow type inoxidzable coating
Processing designs a kind of furnace body temperature field distribution, several warm areas is arranged in furnace body, the temperature of warm area needs to set according to processing,
Workpiece different warm area continuous movings in furnace body are realized in different warm areas stop certain time at equivalent workpiece heat by workpiece
Manage temperature curve.
Referring to Fig. 1, a kind of inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material consists of the following parts：
Roller-way 1, charging transfer chamber 2, charging propulsive mechanism 3, heat-treatment zone 4, cold section 5 strong, discharging 6 six part group of transfer chamber
At,
Wherein roller-way 1 moves on it for carrying material boat, it is made to return to feed end by discharge end；1 one end of roller-way with into
Expect that the entrance of transfer chamber 2 is connected, the other end is connected with the outlet of discharging transfer chamber 6.
It includes 2 II liang of sects of feeding gate 2 I and charging transition hatch door to feed transfer chamber 2, is respectively serve to separate extraneous and burner hearth
Inside, to form independent cabin.It is passed through protective gas in transfer chamber, carries out prepurging operation, is opened after driving air therein out of
Transition hatch door is fed, workpiece is sent into the feed end 3 I inside burner hearth；
Charging propulsive mechanism 3 is set to 4 front end of heat-treatment zone.The charging propulsive mechanism 3 is that motivation is made in hydraulic pressure or air pressure
Structure, or driven for motor.The workpiece that charging propulsive mechanism 3 is responsible for will be fed into feed end is pushed ahead with certain speed, makes work
Part stops certain time in different warm areas, realizes the heat treatment to workpiece coating.
4 one end of heat-treatment zone is connected with charging transfer chamber 2, and the other end is connected with strong cold section 5.Heat-treatment zone 4 is by three
The bringing-up section composition of a above independent control, 4 I general set temperature of one warm area is slightly lower, for being preheated to workpiece,
Two after one warm area 4 I are usually set to heat treatment process temperature to warm area second from the bottom, carry out high-temperature process, last warm area
General set temperature is slightly below heat treatment process temperature, enters energy waste caused by strong cooling section to reduce heat.
It is connected with the end of heat-treatment zone 4 before cold section 5 strong, is connected afterwards with discharging transfer chamber 6.Strong cold section 5 by boiler clothing outside
The coolant liquid in portion cools down internal workpiece to realize this section of boiler clothing cooling.It is cooled down by the pressure of this section to accelerate
The rate of temperature fall of workpiece improves production efficiency.
Discharging transfer chamber 6 be responsible for by workpiece by burner hearth discharge end send in delivery roller table 1 with discharging.The part includes mainly
Discharge door 6 I and discharging transition hatch door 6 II, are respectively serve to separate inside extraneous and burner hearth, to form independent cabin.Transfer chamber
In be passed through protective gas, carry out prepurging operation, open discharging bin transition door after driving air therein out of, beaten to avoid transition hatch door
In open procedure, the air in transfer chamber enters burner hearth internal influence workpiece processing quality.
The charging propulsive mechanism is hydraulic pressure or air pressure actuation mechanism, or is driven for motor.
Implementation is completed in the present invention, tests and detects by sample test block coating treatment, manufacture test.Production is put at present
Product are produced as a trial, realize the production efficiency of 20/hour.The invention has the advantage that as follows：
One, process cycle is short：Due to being only heat treatment of the workpiece in different warm areas movement realization workpiece, heating rate
Quickly, tail end forces cooling body to keep its rate of temperature fall fast.Therefore the process cycle of workpiece is very short, and achievable workpiece is by filling at present
Expect discharging 6 hours in complete workpiece heat treatment.
Two, production efficiency is high：
Using 6 warm area structures, promote within 900 seconds it is primary, it can be achieved that the 4 large scale brake discs of processing in 15 minutes efficiency, often
384 piece of workpiece can be handled day, work 200 days in year and processing 76800 piece of workpiece can be realized.It is to show to use medium-sized chemical gaseous phase
12 times or more of cvd furnace treatment effeciency.
Three, energy saving：The energy waste problem that the frequent heating and cooling of burner hearth are brought is avoided in the process.
Four, safety：Totally four fire doors are isolated for design charging transfer chamber twice fire door and discharging transfer chamber twice fire door,
No matter during the charging of workpiece, discharging, warehouse entry, export and fire door Seal treatment can guarantee workpiece with the external world it is reliable
Isolation.It utmostly eliminates air and enters the risk into disfiguring workpiece.
Pole is sacrificed in protection gas air inlet design, it is ensured that the standby sacrifice pole reaction consumption of objectionable impurities in protective gas is kept away
Exempt from disfiguring workpiece.
Five, equipment cost is greatly reduced.
Six, processing quality is high：Protection gas continuously purges burner hearth, and the tail gas orientation band flake hearth-tapping of sintering ensures
The cleaning of burner hearth.Workpiece is protected, workpiece is avoided to be contaminated.
Claims (4)
1. a kind of inoxidzable coating heat treatment method of carbon/carbon compound material, it is characterized in that：The method uses continuous continuous-flow type
Inoxidzable coating processing designs a kind of furnace body temperature field distribution, several warm areas is arranged in furnace body, the temperature of warm area is according to processing
It needs to set, workpiece different warm area continuous movings in furnace body, it is equivalent in the stop certain time realization of different warm areas by workpiece
Heat treatment of workpieces temperature curve.
2. a kind of inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material, it is characterized in that：The equipment is by with lower part structure
At：Roller-way, charging transfer chamber, charging propulsive mechanism, heat-treatment zone, Qiang Lengduan, six part of discharging transfer chamber composition；Wherein：
Described roller-way one end is connected with the entrance of charging transfer chamber, and the other end is connected with the outlet of discharging transfer chamber；Roller-way is used for
The lining boat of carrying workpiece moves on it, it is made to return to feed end by discharge end；
The charging propulsive mechanism is set in heat-treatment zone；Charging propulsive mechanism is responsible for will be fed into the workpiece of feed end with certain
Speed is pushed ahead, and workpiece is made to stop certain time in different warm areas, realizes the heat treatment to workpiece coating；
The heat-treatment zone is connected with charging transfer chamber；Heat-treatment zone is made of the bringing-up section of three or more independent controls,
One warm area is for preheating workpiece；Two after one warm area are set as heat treatment process temperature to warm area second from the bottom,
Carry out high-temperature process；Last warm area set temperature is less than heat treatment process temperature, is entered caused by strong cooling section with reducing leakage heat
Energy waste；
Be connected with the end of heat-treatment zone before described strong cold section, be connected afterwards with the transfer chamber that discharges；Strong cold section by boiler clothing outside
Coolant liquid cools down internal workpiece to realize this section of boiler clothing cooling；It is cooled down by the pressure of this section to accelerate workpiece
Rate of temperature fall, improve production efficiency；
The discharging transfer chamber be responsible for by workpiece by burner hearth discharge end send in delivery roller table with discharging.
3. inoxidzable coating Equipment for Heating Processing according to claim 2, it is characterized in that：The charging transfer chamber includes charging
Door and charging transition hatch door twice door, are respectively serve to separate inside extraneous and burner hearth, to form independent cabin；Lead in transfer chamber
Enter protective gas, carry out prepurging operation, opens charging transition hatch door after driving air therein out of, workpiece is sent into inside burner hearth
Feed end.
4. inoxidzable coating Equipment for Heating Processing according to claim 2 or 3, it is characterized in that：The discharging transfer chamber includes
Discharge door and discharging transition hatch door, are respectively serve to separate inside extraneous and burner hearth, to form independent cabin；It is passed through in transfer chamber
Protective gas carries out prepurging operation, discharging bin transition door is opened after driving air therein out of, to avoid transition hatch door opening procedure
In, the air in transfer chamber enters burner hearth internal influence workpiece processing quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426741.4A CN108680009A (en) | 2018-05-07 | 2018-05-07 | A kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426741.4A CN108680009A (en) | 2018-05-07 | 2018-05-07 | A kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material |
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| Publication Number | Publication Date |
|---|---|
| CN108680009A true CN108680009A (en) | 2018-10-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810426741.4A Pending CN108680009A (en) | 2018-05-07 | 2018-05-07 | A kind of the inoxidzable coating Equipment for Heating Processing and method of carbon/carbon compound material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545858A (en) * | 2020-05-12 | 2020-08-18 | 深圳市鑫陶窑炉设备有限公司 | Automatic brazing furnace |
| CN115540588A (en) * | 2022-11-29 | 2022-12-30 | 信诺先端热工科技(苏州)有限公司 | Tunnel kiln, and feeding method, discharging method and processing method of tunnel kiln |
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| JPH10512925A (en) * | 1994-11-16 | 1998-12-08 | ザ ビー．エフ．グッドリッチ カンパニー | Apparatus for use in CVI / CVD process |
| CN201327292Y (en) * | 2008-09-12 | 2009-10-14 | 秦文隆 | Continuous-type vacuum-atmosphere sintering furnace |
| CN103712440A (en) * | 2013-12-24 | 2014-04-09 | 中国钢研科技集团有限公司 | Tunnel-type ultra-high-temperature electric furnace for continuous production under oxidizing atmosphere and operation method thereof |
| CN105347324A (en) * | 2015-12-04 | 2016-02-24 | 南京年达炉业科技有限公司 | Protection production line for continuous lithium iron phosphate high-temperature calcination atmosphere |
| CN205664657U (en) * | 2016-05-24 | 2016-10-26 | 胡斯友 | Energy -efficient kiln of full -automatic environmental protection pumice |
| CN106893805A (en) * | 2017-03-08 | 2017-06-27 | 上海迅美工业设备有限公司 | A kind of continuous tunnel furnace and heat treatment of workpieces technique |
| CN208349817U (en) * | 2018-05-07 | 2019-01-08 | 西安航空制动科技有限公司 | A kind of inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material |
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2018
- 2018-05-07 CN CN201810426741.4A patent/CN108680009A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10512925A (en) * | 1994-11-16 | 1998-12-08 | ザ ビー．エフ．グッドリッチ カンパニー | Apparatus for use in CVI / CVD process |
| CN201327292Y (en) * | 2008-09-12 | 2009-10-14 | 秦文隆 | Continuous-type vacuum-atmosphere sintering furnace |
| CN103712440A (en) * | 2013-12-24 | 2014-04-09 | 中国钢研科技集团有限公司 | Tunnel-type ultra-high-temperature electric furnace for continuous production under oxidizing atmosphere and operation method thereof |
| CN105347324A (en) * | 2015-12-04 | 2016-02-24 | 南京年达炉业科技有限公司 | Protection production line for continuous lithium iron phosphate high-temperature calcination atmosphere |
| CN205664657U (en) * | 2016-05-24 | 2016-10-26 | 胡斯友 | Energy -efficient kiln of full -automatic environmental protection pumice |
| CN106893805A (en) * | 2017-03-08 | 2017-06-27 | 上海迅美工业设备有限公司 | A kind of continuous tunnel furnace and heat treatment of workpieces technique |
| CN208349817U (en) * | 2018-05-07 | 2019-01-08 | 西安航空制动科技有限公司 | A kind of inoxidzable coating Equipment for Heating Processing of carbon/carbon compound material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545858A (en) * | 2020-05-12 | 2020-08-18 | 深圳市鑫陶窑炉设备有限公司 | Automatic brazing furnace |
| CN115540588A (en) * | 2022-11-29 | 2022-12-30 | 信诺先端热工科技(苏州)有限公司 | Tunnel kiln, and feeding method, discharging method and processing method of tunnel kiln |
| CN115540588B (en) * | 2022-11-29 | 2023-03-10 | 信诺先端热工科技(苏州)有限公司 | Tunnel kiln, and feeding method, discharging method and processing method of tunnel kiln |
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Application publication date: 20181019 |