CN106322989B - It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln - Google Patents
It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln Download PDFInfo
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- CN106322989B CN106322989B CN201610814270.5A CN201610814270A CN106322989B CN 106322989 B CN106322989 B CN 106322989B CN 201610814270 A CN201610814270 A CN 201610814270A CN 106322989 B CN106322989 B CN 106322989B
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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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
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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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- F27B9/36—Arrangements of heating devices
- F27B2009/3638—Heaters located above and under the track
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, each section of kiln of the tunnel oven builds the refractory material of different classifications temperature by laying bricks or stones with relevant temperature, and external application steel frame construction makees tunnel oven frame, and interior is heat-preservation cotton and firebrick structure；Kiln is arranged to outer mono- unit of steel frame construction 2000mm, totally 140~160 unit section.The tunnel oven is made of preheating zone, clinkering zone, cooling zone.The cooling zone includes five stages such as quench zone, slow cooling section, cold insulation section, rapid cooling section and cold section of tail, for preventing product from occurring abnormal crystallization in temperature-fall period, ensures the perfection of product sintering state.Computer and each control unit are formed a LAN using field bus technique for the system of the tunnel oven and and host computer is communicated to control whole system and detection.In sintering procedure raw material can uniformly fired completely the tunnel oven, so as to improve the quality of crystallite foaming product and yield.
Description
Technical field
The present invention relates to it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, belong to kiln technology neck
Domain.
Background technology
In crystallite foaming Equipment for Heating Processing, a kind of Thermal Equipment that tunnel oven is produced as continous way is widely used in
All kinds of crystallite products are burnt till.Tunnel oven it is main it is preheated, heat, burn till, chilling, again slow cooling, finally by conveying mechanism by kiln
Vehicle is transported to outside kiln and unloads burned crystallite product.Crystallite foaming product is mostly using trade waste mainly to prepare raw material, such as firefly
The waste residues class such as stone tailing heats it using traditional tunnel oven during burning till, burns till, cools down, can not be by this kind of original
The defects of expecting uniformly to fire completely, being also easy to produce fusion hole, foaming unevenness, cracking.In addition, traditional tunnel oven energy in sintering procedure
Amount loss is excessive, and energy recycling rate is relatively low, is unfavorable for energy-saving and emission-reduction.
The content of the invention
The object of the present invention is to preparing the crystallite hair using trade waste as primary raw material to solve conventional tunnel kiln
It is not achieved in brewage and fires the problem of uneven and energy recycling rate is relatively low, the present invention provides one kind and is used to prepare
Crystallite foaming composite material burns till annealing trunnel kiln.
Technical scheme is as follows：It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, bag
Include tunnel oven frame and refractory material.The tunnel oven frame combined by the outer steel frame construction of each unit section length 2000mm and
Into, the tunnel oven frame totally 140~160 unit section, kiln body dilatation joint is all left between often saving；The tunnel oven includes preheating
Band, clinkering zone, cooling zone.
The preheating zone includes kiln hood section and smoke evacuation section；The kiln top of preheating zone uses flat-tope structure, interior high than clinkering zone summary
Height to reduce gas-flow resistance, while air-flow quickly flows, makes the discharge of the also fast and stable of moisture in product；It is described pre-
The hot wind in the torrid zone can automatically adjust, and avoid powder airborne dust；The preheating strip length is 20~40m, and temperature is 80~400 DEG C.
The clinkering zone includes bringing-up section and sintering stage；The clinkering zone is set on kiln respectively there are two quirk：Production
Quirk under quirk and product on product；Burner number is intensive, is arranged above and below control within 800mm, and equipped with Pulse Width Control, hot wind
Using overturning flow velocity, ensure that temperature is uniform；For the strip length that burns till for 40~60m, temperature is 400~1200 DEG C.
The hot wind refers to arrange between two adjacent control groups of kiln respectively wrong up and down using overturning flow velocity
The burner opened；During production, two group pulse burners stagger startup, the opposite twice high temperature gas flow in direction are formed, by mutual
Disturbance stirring, make kiln Inner temperature equalizations；Next period, then start respective opposite burner successively, it is respectively formed another
A high temperature gas flow to stagger, the air-flow with a upper period is on the contrary, more promote kiln Inner temperature uniform.
The burner number is intensive to refer to that is, intensive arrangement is small-sized on a large scale using multiple spot proportional pulse combustion control technology
Burner, and by the burning of ratio control fuel, comburant is made fully to burn.
The cooling zone includes quench zone, slow cooling section, cold insulation section, cold section of five stages of rapid cooling section and tail；The quench zone
24 pairs of chilling air hoses are provided with above and below in kiln side, increase fan delivery, and increase natural wind regulating measure, make product in short-term
In by sharp temperature drop, for preventing product from occurring abnormal crystallization in temperature-fall period, ensure product sintering
The perfection of state；The heat that the pumping air bells cap on the slow cooling section kiln top and the pumping mouth of kiln wall side wall discharge product extracts kiln out
Outside, temperature controllable height, and equipped with 4 brunched burner nozzles, for maintain temperature uniformly and it is gentle decline, so as to ensure that product will not be because
Unbalanced stress and crack；The cold insulation section is furnished with thermoelectric device；The rapid cooling section and cold section of tail are provided with wind turbine, and using frequency conversion
Control；The cooling strip length is 120~160m, and temperature is 1200~80 DEG C.
The quench zone temperature range is 1200~700 DEG C；Slow cooling section temperature range is 700~500 DEG C；Cold insulation section temperature
Scope is 500~400 DEG C；Rapid cooling section temperature range is 400~200 DEG C；Cold section of temperature range of tail is 200~80 DEG C.
The tunnel oven is simultaneously and upper computer and each control unit one LAN of composition using field bus technique
Bit machine, which is communicated, to be controlled whole system and detects.
The invention has the advantages that the invention reside in provide a kind of to be used to prepare burning till for crystallite foaming composite material and move back
Fiery tunnel oven, which in sintering procedure raw material can uniformly fired completely, so as to improve the quality of crystallite foaming product
And yield, while the energy in quenching process is introduced into and helps air-cooler, make energy recycling, so as to reduce crystallite foaming system
The sintering cost of product.
Description of the drawings
Fig. 1 is tunnel furnace preheating zone plan view of the present invention；
Fig. 2 is tunnel kiln firing zone plan view of the present invention；
Fig. 3 is quench zone and slow cooling section plan view in Cooling Section of Tunnel Kiln of the present invention.
Specific embodiment
The embodiment of the present invention provide it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, each area of kiln
Section builds the refractory material of different classifications temperature by laying bricks or stones with relevant temperature, and external application steel frame construction makees tunnel oven frame, it is interior for heat-preservation cotton and
Firebrick structure.
The present embodiment tunnel oven is made of preheating zone, clinkering zone, cooling zone, planar structure respectively as shown in Figure 1, Figure 2 and
Shown in Fig. 3.Kiln is arranged to outer mono- unit of steel frame construction 2000mm, totally 140~160 unit section, and kiln is all left between often saving
Body dilatation joint, it can be achieved that often saving unit expansion digestion in Tunnel Kiln Process.
The preheating zone of the present embodiment tunnel oven includes kiln hood section and smoke evacuation section, planar structure respectively such as Fig. 1, preheating zone
Kiln top uses flat-tope structure, and interior height is more slightly higher than clinkering zone, to reduce gas-flow resistance, air-flow is made to make product while quickly flowing
The discharge of the fast and stable of middle moisture content；The hot wind of the preheating zone can automatically adjust, changeable, avoid powder airborne dust.
The clinkering zone of the present embodiment tunnel oven includes bringing-up section and sintering stage, planar structure such as Fig. 2, and the section of burning till is divided
It is set above other kiln car there are two quirk (quirk under quirk and product on product), burner number is intensive, and the control that is arranged above and below exists
Within 800mm, and equipped with Pulse Width Control, hot wind ensures that temperature is uniform using overturning flow velocity.
The cooling zone of the present embodiment tunnel oven includes five ranks such as quench zone, slow cooling section, cold insulation section, rapid cooling section and cold section of tail
Section.As shown in figure 3, quench zone kiln side is provided with 24 pairs of chilling air hoses above and below, fan delivery is increased, and increases natural wind adjusting
Means make product in a short time by sharp temperature drop, for preventing product from occurring abnormal crystallization in temperature-fall period
Phenomenon ensures the perfection of product sintering state；The pumping air bells cap on slow cooling section kiln top and the pumping mouth of kiln wall side wall discharge product
Heat extraction kiln outside, temperature controllable height, and equipped with 4 brunched burner nozzles, for maintain temperature uniformly and it is gentle decline, so as to protect
Card product will not stress it is uneven and crack；Cold insulation section is furnished with thermoelectric device；Rapid cooling section and cold section of tail are provided with wind turbine, and use
Frequency control.
Energy in quenching process is introduced into and helps air-cooler by the present embodiment, makes energy recycling, so as to reduce crystallite
The sintering cost of foaming product.
Computer and each control unit are formed a LAN simultaneously by the present embodiment tunnel oven using field bus technique
It is communicated with host computer and whole system is controlled and is detected.
Claims (4)
1. it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, including tunnel oven frame and refractory material,
It is characterized in that, the tunnel oven frame is composed of the outer steel frame construction of each unit section length 2000mm, the tunnel
Kiln frame totally 140~160 unit section all leaves kiln body dilatation joint between often saving；The tunnel oven include preheating zone, clinkering zone,
Cooling zone；
The preheating zone includes kiln hood section and smoke evacuation section；The kiln top of preheating zone uses flat-tope structure, and interior height is more slightly higher than clinkering zone, with
Just gas-flow resistance is reduced, while air-flow quickly flows, makes the discharge of the also fast and stable of moisture in product；The preheating zone
Hot wind can automatically adjust, and avoid powder airborne dust；The preheating strip length is 20~40m, and temperature is 80~400 DEG C；
The clinkering zone includes bringing-up section and sintering stage；The clinkering zone is set on kiln respectively there are two quirk：On product
Quirk under quirk and product；Burner number is intensive, is arranged above and below control within 800mm, and equipped with Pulse Width Control, hot wind uses
Flow velocity is overturn, ensures that temperature is uniform；For the strip length that burns till for 40~60m, temperature is 400~1200 DEG C；
The cooling zone includes quench zone, slow cooling section, cold insulation section, cold section of five stages of rapid cooling section and tail；The quench zone is in kiln
Side is provided with 24 pairs of chilling air hoses above and below, increases fan delivery, and increases natural wind regulating measure, makes product in a short time
By sharp temperature drop, for preventing product from occurring abnormal crystallization in temperature-fall period, ensure product sintering state
Perfection；It, can outside the heat extraction kiln that the pumping air bells cap on the slow cooling section kiln top and the pumping mouth of kiln wall side wall discharge product
Temperature height is controlled, and equipped with 4 brunched burner nozzles, for temperature to be maintained uniformly and gently to decline, so as to ensure that product will not stress
It is uneven and crack；The cold insulation section is furnished with thermoelectric device；The rapid cooling section and cold section of tail are provided with wind turbine, and use frequency conversion control
System；The cooling strip length is 120~160m, and temperature is 1200~80 DEG C.
2. according to claim 1 it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, feature exists
In the hot wind refers to arrange the combustion staggered up and down between two adjacent control groups of kiln respectively using overturning flow velocity
Burner；During production, two group pulse burners stagger startup, form the opposite twice high temperature gas flow in direction, pass through mutual disturbance
Stirring, makes kiln Inner temperature equalizations；Next period, then start respective opposite burner successively, it is respectively formed another and staggers
High temperature gas flow, the air-flow with a upper period is on the contrary, more promote kiln Inner temperature uniform.
3. according to claim 1 it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, feature exists
In the burner number is intensive to be referred to using multiple spot proportional pulse combustion control technology, i.e., a wide range of intensive arrangement Small Combustion
Device, and by the burning of ratio control fuel, comburant is made fully to burn.
4. according to claim 1 it is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln, feature exists
In the quench zone temperature range is 1200~700 DEG C；Slow cooling section temperature range is 700~500 DEG C；Cold insulation section temperature range
For 500~400 DEG C；Rapid cooling section temperature range is 400~200 DEG C；Cold section of temperature range of tail is 200~80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814270.5A CN106322989B (en) | 2016-09-12 | 2016-09-12 | It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814270.5A CN106322989B (en) | 2016-09-12 | 2016-09-12 | It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln |
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| Publication Number | Publication Date |
|---|---|
| CN106322989A CN106322989A (en) | 2017-01-11 |
| CN106322989B true CN106322989B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610814270.5A Active CN106322989B (en) | 2016-09-12 | 2016-09-12 | It is a kind of be used to prepare crystallite foaming composite material burn till annealing trunnel kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109341333B (en) * | 2018-10-16 | 2024-02-09 | 佛山市科达机电有限公司 | Roller kiln device for large-size foamed ceramics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1197720A1 (en) * | 2000-10-10 | 2002-04-17 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Continuous sintering furnace and use thereof |
| CN102261847A (en) * | 2011-06-11 | 2011-11-30 | 中钢集团耐火材料有限公司 | Construction method for large-scale ultrahigh-temperature tunnel kiln refractory material |
| CN202869211U (en) * | 2012-08-16 | 2013-04-10 | 四川省宜宾市吴桥建材工业有限责任公司 | Multi-channel direct-firing tunnel kiln and waste heat recycling utilizing system thereof |
| CN204346094U (en) * | 2014-12-19 | 2015-05-20 | 宜宾恒旭窑炉科技开发有限公司 | Assembly type tunnel cave |
| CN105202912A (en) * | 2015-10-23 | 2015-12-30 | 青岛铸英特陶科技有限公司 | Gas roller way kiln |
-
2016
- 2016-09-12 CN CN201610814270.5A patent/CN106322989B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1197720A1 (en) * | 2000-10-10 | 2002-04-17 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Continuous sintering furnace and use thereof |
| CN102261847A (en) * | 2011-06-11 | 2011-11-30 | 中钢集团耐火材料有限公司 | Construction method for large-scale ultrahigh-temperature tunnel kiln refractory material |
| CN202869211U (en) * | 2012-08-16 | 2013-04-10 | 四川省宜宾市吴桥建材工业有限责任公司 | Multi-channel direct-firing tunnel kiln and waste heat recycling utilizing system thereof |
| CN204346094U (en) * | 2014-12-19 | 2015-05-20 | 宜宾恒旭窑炉科技开发有限公司 | Assembly type tunnel cave |
| CN105202912A (en) * | 2015-10-23 | 2015-12-30 | 青岛铸英特陶科技有限公司 | Gas roller way kiln |
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| Publication number | Publication date |
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| CN106322989A (en) | 2017-01-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Kecheng Inventor after: Wu Fengyu Inventor after: Zou Jiyong Inventor before: Wu Kecheng Inventor before: Wu Fengyu Inventor before: Zou Jiyong |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190123 Address after: 330096 No. 399 Jingdong Avenue, Nanchang High-tech Zone, Jiangxi Province Patentee after: Jiangxi Pujing New Materials Co., Ltd. Address before: 330031 No. 382 Shangfang Road, Nanchang City, Jiangxi Province Patentee before: Jiangxi Pu Chong Crystal Technology Co Ltd |
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| TR01 | Transfer of patent right |