CN103994655A - Tunnel kiln cooling segment waste heat recycling device and tunnel kiln - Google Patents
Tunnel kiln cooling segment waste heat recycling device and tunnel kiln Download PDFInfo
- Publication number
- CN103994655A CN103994655A CN201410238480.5A CN201410238480A CN103994655A CN 103994655 A CN103994655 A CN 103994655A CN 201410238480 A CN201410238480 A CN 201410238480A CN 103994655 A CN103994655 A CN 103994655A
- Authority
- CN
- China
- Prior art keywords
- waste heat
- recycling device
- heat recycling
- burner hearth
- tunnel cave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 54
- 238000004064 recycling Methods 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 13
- 238000010791 quenching Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 7
- 230000005855 radiation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention relates to the improved technology of energy saving and emission reduction of a ceramic kiln, in particular to a tunnel kiln cooling segment waste heat recycling device and a tunnel kiln. The tunnel kiln cooling segment waste heat recycling device comprises an induced air mechanism, a plurality of waste heat recycling pipes and a heat conduction piece, one ends of the waste heat recycling pipes are connected with the induced air mechanism, the other ends of the waste heat recycling pipes stretch into a combustion chamber and are evenly arranged along the inner wall of the combustion chamber, a plurality of air inlets are formed in the waste heat recycling pipes, the heat conduction piece is perpendicularly arranged, and is fixed to the waste heat recycling pipes, the induced air mechanism is communicated with the waste heat recycling pipes and collects and recycles hot air in the waste heat recycling pipes, and the tunnel kiln further comprises the waste heat recycling device. The tunnel kiln cooling segment waste heat recycling device and the tunnel kiln are simple in structure, convenient to construct and low in manufacturing cost, hot air in the combustion chamber is directly guided in the waste heat collecting pipes, the collected hot air is directly recycled, heat exchange is reduced, the heat conduction performance is good, heat losses are small, and the energy consumption of the kiln is reduced.
Description
Technical field
The energy-saving and emission-reduction improvement technology that the present invention relates to ceramic kiln, is specifically related to tunnel cave cooling section heat recycling device and tunnel cave.
Background technology
In Production of Ceramics, a large amount of tunnel caves that use are fired, existing tunnel kiln furnace main body has generally comprised preheating section, high temperature section, quench zone, cooling section, often there is bursting phenomenon in kiln cooling section, and the not recycling of the hot gas of cooling section, causes waste.
For addressing the above problem, application publication number is that CN103759543A discloses the pre-heat utilization structure for tunnel cave cooling zone, it is characterized in that: it comprises kiln body, waste heat is extracted pipe and preheating total pipeline out, kiln body has refractory brick inner wall and refractory brick exterior wall, and be provided with UTILIZATION OF VESIDUAL HEAT IN chamber between refractory brick inner wall and refractory brick exterior wall, on described refractory brick inner wall, have a plurality of honeycomb-type heat radiations hole, and honeycomb-type heat radiation hole is connected with UTILIZATION OF VESIDUAL HEAT IN chamber, the entrance point that described waste heat is extracted pipe out is connected with UTILIZATION OF VESIDUAL HEAT IN chamber, outlet section is communicated with waste heat total pipeline.
The above-mentioned pre-heat utilization structure for tunnel cave cooling zone has certain effect, but waste heat must just can enter UTILIZATION OF VESIDUAL HEAT IN chamber by the honeycomb-type heat radiation hole on refractory brick body of wall in use, by waste heat, extracting pipe out again extracts waste heat just can carry out reuse out, poor fluidity, the intermediate link of its waste heat is many, easily form heat exchange and cause organic efficiency low, and complex process, oil (gas) filling device manufacture, the maintenance cost of on refractory brick body of wall, offering in addition honeycomb-type heat radiation hole are high.
Summary of the invention
For overcoming deficiency of the prior art, the invention provides tunnel cave cooling section heat recycling device and tunnel cave that a kind of organic efficiency is high.
For achieving the above object, the technical solution used in the present invention is as follows: tunnel cave cooling section heat recycling device, its feature in: comprise draft mechanism, many waste heat recovery pipes and conducting strip, described waste heat recovery pipe one end is connected with draft mechanism, the other end stretches in burner hearth and is evenly arranged along inboard wall of burner hearth, on this waste heat recovery pipe, have a plurality of air admission holes, described conducting strip is arranged vertically, is fixed on waste heat recovery pipe, described draft mechanism is communicated with waste heat recovery pipe, and the hot gas entering in waste heat recovery pipe is collected to reuse.
Further, heat recycling device also comprises the residual heat collection pipe being arranged at outside burner hearth, and described waste heat recovery pipe one end kiln is interior, the other end is communicated with residual heat collection pipe, and described draft mechanism is communicated with residual heat collection pipe.
Further, residual heat collection pipe outer wall is provided with heat-insulation layer.
Further, one end lappet that waste heat recovery pipe stretches in burner hearth is put.
Further, between conducting strip and inboard wall of burner hearth, form the angle of 20-30 °.
Further, every waste heat recovery pipe is provided with two conducting strips that are arranged in parallel.
Further, air admission hole is opened between two conducting strips.
Further, a plurality of air admission hole disposed at equal distance.
A kind of tunnel cave, comprise kiln main body and Yao Ding, kiln main body and kiln push up combined formation burner hearth, burner hearth is divided into preheating section, high temperature section, quench zone, cooling section successively, it is characterized in that: also comprise the heat recycling device described in above-mentioned any one claim, the draft mechanism of this waste heat draft mechanism passes into the hot gas of collection in preheating section.
Optimize, be provided with the limit channels of passing through for kiln car in burner hearth, one end that waste heat recovery pipe stretches in burner hearth is fixed in this limit channels.
From the above-mentioned description of this invention, compared with prior art, tunnel cave cooling section heat recycling device provided by the invention and tunnel cave, simple in structure, easy construction, low cost of manufacture, when heat recycling device is used, conducting strip and waste heat recovery pipe are located in burner hearth, and the hot gas in burner hearth is directed immediately in residual heat collection pipe and by the hot gas direct reuse of collecting, reduce heat exchange, good heat conductivity, heat loss less, reduced the energy resource consumption of kiln.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of tunnel cave cooling section heat recycling device of the present invention.
Fig. 2 is the structural representation of A-A direction in Fig. 1.
Fig. 3 is the structural representation of tunnel cave cooling section heat recycling device of the present invention.
Fig. 4 is the structural representation of tunnel cave of the present invention.
Fig. 5 is the structure intention of tunnel cave of the present invention.
The specific embodiment
Below by the specific embodiment, the invention will be further described.
Shown in Fig. 5, tunnel cave cooling section heat recycling device, comprises draft mechanism 1, residual heat collection pipe 2, many waste heat recovery pipes 3 and conducting strip 4;
Draft mechanism 1 is communicated with residual heat collection pipe 2, for the hot gas in residual heat collection pipe 2 is collected to reuse;
Residual heat collection pipe 2 is arranged at outside kiln, and on residual heat collection pipe 2 outer walls, establishes and be with a circle asbestos mat heat-insulation layer 21;
Waste heat recovery pipe 3 is metal tube, its one end is communicated with residual heat collection pipe 2, the other end stretches in burner hearth, and one end lappet stretching in burner hearth is put, many waste heat recovery pipes 3 are evenly arranged along inboard wall of burner hearth, open equidistant air admission hole 31 that offers on waste heat recovery pipe 3;
Conducting strip 4 is made for metal material, this conducting strip 4 is vertically connected on waste heat recovery pipe 3, every waste heat recovery pipe 3 is provided with two conducting strips that are arranged in parallel 4, forms the angle of 20-30 ° between conducting strip 4 and inboard wall of burner hearth, and the air admission hole 31 of waste heat recovery pipe 3 is opened between two conducting strips 4.
Shown in Fig. 5, a kind of tunnel cave 100, comprise kiln main body 110, kiln top 120, burner hearth 130 and limit channels 140, kiln main body 110 and kiln push up 120 combined formation burner hearths 130, burner hearth 130 is divided into preheating section 131, high temperature section 132, quench zone 133, cooling section 134 successively, and limit channels 140 is located on burner hearth 130 inwalls and along burner hearth 130 length directions and is extended; Heat recycling device is arranged on the cooling section 134 of this kiln main body 100, and the waste heat recovery pipe 3 of this heat recycling device stretches in burner hearth 130 and is fixed in limit channels 140.
Shown in Fig. 4, the workflow of above-mentioned tunnel cave 100 is as follows:
When tunnel cave is used, kiln car passes through in burner hearth 130, and after preheating section 131, high temperature section 132, quench zone 133 and cooling section 134, ceramic body is formed by a firing successively, during kiln car process cooling section 134, hot gas in burner hearth 130 is entered in waste heat recovery pipe 3 by air admission hole 31 through the guiding of conducting strip 4, many with in the hot gas remittance residual heat collection pipe 2 in waste heat recovery pipe 3, the hot gas that draft mechanism 1 is collected residual heat collection pipe 2 passes in preheating section 131, and the ceramic body of preheating section is carried out to preheating.
When heat recycling device is used, conducting strip 4 and waste heat recovery pipe 3 are located in burner hearth 130, and the hot gas in burner hearth 130 is directed immediately in residual heat collection pipe 2, have reduced heat exchange, good heat conductivity, heat loss less, have reduced the energy resource consumption of kiln.
Above are only some specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (10)
1. tunnel cave cooling section heat recycling device, in this tunnel cave cooling section, be formed with burner hearth, its feature comprises draft mechanism, many waste heat recovery pipes and conducting strip in: described heat recycling device, described waste heat recovery pipe one end is connected with draft mechanism, the other end stretches in burner hearth and is evenly arranged along inboard wall of burner hearth, on this waste heat recovery pipe, have a plurality of air admission holes, described conducting strip is arranged vertically, is fixed on waste heat recovery pipe, described draft mechanism is communicated with waste heat recovery pipe, and the hot gas entering in waste heat recovery pipe is collected to reuse.
2. tunnel cave cooling section heat recycling device according to claim 1, it is characterized in that: described heat recycling device also comprises the residual heat collection pipe being arranged at outside burner hearth, described waste heat recovery pipe one end kiln is interior, the other end is communicated with residual heat collection pipe, and described draft mechanism is communicated with residual heat collection pipe.
3. tunnel cave cooling section heat recycling device according to claim 2, is characterized in that: described residual heat collection pipe outer wall is provided with heat-insulation layer.
4. tunnel cave cooling section heat recycling device according to claim 1, is characterized in that: one end lappet that described waste heat recovery pipe stretches in burner hearth is put.
5. tunnel cave cooling section heat recycling device according to claim 1, is characterized in that: between described conducting strip and inboard wall of burner hearth, form the angle of 20-30 °.
6. tunnel cave cooling section heat recycling device according to claim 1 or 5, is characterized in that: described every waste heat recovery pipe is provided with two conducting strips that are arranged in parallel.
7. tunnel cave cooling section heat recycling device according to claim 6, is characterized in that: described air admission hole is opened between two conducting strips.
8. according to the tunnel cave cooling section heat recycling device described in claim 1 or 7, it is characterized in that: described a plurality of air admission hole disposed at equal distance.
9. a tunnel cave, comprise kiln main body and Yao Ding, kiln main body and kiln push up combined formation burner hearth, burner hearth is divided into preheating section, high temperature section, quench zone, cooling section successively, it is characterized in that: also comprise the heat recycling device described in above-mentioned any one claim, the draft mechanism of this waste heat draft mechanism passes into the hot gas of collection in preheating section.
10. tunnel cave cooling section heat recycling device according to claim 9, is characterized in that: in described burner hearth, be provided with the limit channels of passing through for kiln car, one end that waste heat recovery pipe stretches in burner hearth is fixed in this limit channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238480.5A CN103994655B (en) | 2014-05-30 | 2014-05-30 | Tunnel cave cooling section heat recycling device and tunnel cave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238480.5A CN103994655B (en) | 2014-05-30 | 2014-05-30 | Tunnel cave cooling section heat recycling device and tunnel cave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994655A true CN103994655A (en) | 2014-08-20 |
| CN103994655B CN103994655B (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410238480.5A Active CN103994655B (en) | 2014-05-30 | 2014-05-30 | Tunnel cave cooling section heat recycling device and tunnel cave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103994655B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949532A (en) * | 2015-06-04 | 2015-09-30 | 广西北流市红日紫砂陶瓷厂 | Ceramic firing waste heat utilization device |
| CN105115311A (en) * | 2015-09-24 | 2015-12-02 | 山东大学 | Waste heat recycling device and system filled with heat conduction materials and used for grate cooler |
| CN106017072A (en) * | 2016-07-06 | 2016-10-12 | 福建省德化同鑫陶瓷有限公司 | Energy-saving hot wind circulation tunnel kiln and waste heat recycling method of tunnel kiln |
| CN108253782A (en) * | 2017-12-12 | 2018-07-06 | 醴陵友立特种陶瓷有限公司 | Preparing heat-accumulating ceramic tunnel oven |
| CN108715346A (en) * | 2018-07-06 | 2018-10-30 | 湖南德景源科技有限公司 | A kind of body production system |
| CN108820753A (en) * | 2018-07-06 | 2018-11-16 | 湖南德景源科技有限公司 | A kind of body production line |
| CN109442988A (en) * | 2018-12-13 | 2019-03-08 | 山西北斗星新材料有限公司 | A kind of kiln car formula kiln with waste-heat recovery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280164A1 (en) * | 1989-02-27 | 1990-06-27 | Maw Stahlgiesserei W Pieck Rot | DEVICE FOR DETECTING THE SMOKE GASES ON AN ELECTRIC ARC |
| CN2844819Y (en) * | 2005-06-23 | 2006-12-06 | 刘培新 | Tube-still heat exchanger on kiln top for tunnel kiln cooling belt |
| CN102141345A (en) * | 2011-03-17 | 2011-08-03 | 邹平金刚新材料有限公司 | System capable of using residual heat of convection radiation of tunnel |
| CN102997654A (en) * | 2012-12-10 | 2013-03-27 | 武汉理工大学 | Oxygen-enriched combustion domestic ceramic roller kiln waste-heat utilization hot-air preheating system |
| CN203869494U (en) * | 2014-05-30 | 2014-10-08 | 福建冠福现代家用股份有限公司 | Tunnel kiln cooling section waste heat recycling device and tunnel kiln |
-
2014
- 2014-05-30 CN CN201410238480.5A patent/CN103994655B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280164A1 (en) * | 1989-02-27 | 1990-06-27 | Maw Stahlgiesserei W Pieck Rot | DEVICE FOR DETECTING THE SMOKE GASES ON AN ELECTRIC ARC |
| CN2844819Y (en) * | 2005-06-23 | 2006-12-06 | 刘培新 | Tube-still heat exchanger on kiln top for tunnel kiln cooling belt |
| CN102141345A (en) * | 2011-03-17 | 2011-08-03 | 邹平金刚新材料有限公司 | System capable of using residual heat of convection radiation of tunnel |
| CN102997654A (en) * | 2012-12-10 | 2013-03-27 | 武汉理工大学 | Oxygen-enriched combustion domestic ceramic roller kiln waste-heat utilization hot-air preheating system |
| CN203869494U (en) * | 2014-05-30 | 2014-10-08 | 福建冠福现代家用股份有限公司 | Tunnel kiln cooling section waste heat recycling device and tunnel kiln |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949532A (en) * | 2015-06-04 | 2015-09-30 | 广西北流市红日紫砂陶瓷厂 | Ceramic firing waste heat utilization device |
| CN105115311A (en) * | 2015-09-24 | 2015-12-02 | 山东大学 | Waste heat recycling device and system filled with heat conduction materials and used for grate cooler |
| CN106017072A (en) * | 2016-07-06 | 2016-10-12 | 福建省德化同鑫陶瓷有限公司 | Energy-saving hot wind circulation tunnel kiln and waste heat recycling method of tunnel kiln |
| CN106017072B (en) * | 2016-07-06 | 2018-04-10 | 福建省德化同鑫陶瓷有限公司 | Energy-saving type hot air circulates tunnel cave and residual heat of tunnel kiln reuse method |
| CN108253782A (en) * | 2017-12-12 | 2018-07-06 | 醴陵友立特种陶瓷有限公司 | Preparing heat-accumulating ceramic tunnel oven |
| CN108715346A (en) * | 2018-07-06 | 2018-10-30 | 湖南德景源科技有限公司 | A kind of body production system |
| CN108820753A (en) * | 2018-07-06 | 2018-11-16 | 湖南德景源科技有限公司 | A kind of body production line |
| CN109442988A (en) * | 2018-12-13 | 2019-03-08 | 山西北斗星新材料有限公司 | A kind of kiln car formula kiln with waste-heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103994655B (en) | 2016-02-17 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: FUJIAN?GUANFU?INDUSTRIAL?CO., LTD. Free format text: FORMER OWNER: FUJIAN GUANFU MODERN HOUSEHOLD CO., LTD. Effective date: 20150814 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150814 Address after: The town of dosaka village of Dehua County of Quanzhou city in Fujian province 362000 Jiujiang Applicant after: FUJIAN GUANFU MODERN HOUSEHOLD CO., LTD. Address before: Dehua County of Quanzhou City, Fujian province 362500 Industrial Park in the town of Jiujiang Guanfu Applicant before: Fujian Guanfu Modern Household Co., Ltd. |
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Effective date of registration: 20190606 Address after: No. 56 Xunnan First Industrial Road, Longxun Town, Dehua County, Quanzhou City, Fujian Province Patentee after: Fujian Dehua County Porcelain Culture Co., Ltd. Address before: 362000 Tuban Village, Xunzhong Town, Dehua County, Quanzhou City, Fujian Province Patentee before: FUJIAN GUANFU MODERN HOUSEHOLD CO., LTD. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Tunnel kiln cooling segment waste heat recycling device and tunnel kiln Effective date of registration: 20190815 Granted publication date: 20160217 Pledgee: Bank of China Limited by Share Ltd Dehua branch Pledgor: Fujian Dehua County Porcelain Culture Co., Ltd. Registration number: Y2019990000077 |