CN104819642B - A kind of gangue tunnel cave - Google Patents
A kind of gangue tunnel cave Download PDFInfo
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- CN104819642B CN104819642B CN201510211838.XA CN201510211838A CN104819642B CN 104819642 B CN104819642 B CN 104819642B CN 201510211838 A CN201510211838 A CN 201510211838A CN 104819642 B CN104819642 B CN 104819642B
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Abstract
The invention discloses a kind of gangue tunnel cave, the kiln car travelled including the kiln body for extending transversely and in the kiln body, kiln body includes Yao Ding, kiln wall and service aisle, service aisle includes inducer, preheating section, furnace zone, soaking zone and cooling section in the direction of extension successively, not only easy construction is quick for insulation construction of the present invention, and energy-conservation and environment-friendly advantage, heat insulation effect is improve, energy consumption is reduced；Sand sealing groove structure setting is reasonable, the intensity of sand sealing groove is higher, cut-off effect between the steel skirtboard and the sand sealing groove of side wall of kiln car both sides is good, improve integral sealing effect, so that cold air is not allowed in leakiness people's kiln, hot gas is not easy to spill outside kiln, it is ensured that production cost and product quality, simple and reliable for structure, low cost, long service life；Kiln top heat insulation structural arranges reasonable, and kiln top insulating can arrange thicker kiln top insulating with powerful support.
Description
Technical field
The present invention relates to a kind of gangue tunnel cave.
Background technology
Tunnel cave is usually a long linear tunnel, and fixed wall and vault, bottom paving are arranged at its both sides and top
If track on run kiln car.Combustion apparatus is located at the middle part both sides of tunnel cave, constitutes fixed height temperate zone -- clinkering zone,
The high-temperature flue gas that burning is produced flow along tunnel to kiln hood direction, together in the presence of tunnel cave front end chimney or air-introduced machine
When preheated into the product in kiln step by step, this section constitutes the preheating zone of tunnel cave.Cold wind is blasted in the kiln tail of tunnel cave,
Latter section of product in cooling tunnel kiln, the cold wind for blasting flow through product and after being heated, then extract feeding drier out as dry
The thermal source of dry green compact, this section just constitute the cooling zone of tunnel cave.In existing refractory material production process, it is contemplated that cost
Factor, mostly using gangue as combustion material, gangue is the solid waste discharged during coal mining process and coal washing, is
A kind of relatively low with a kind of phosphorus content of coal seam association in coalification course, harder than coal black gray expandable rock.Including tunnelling
During digging gangue, the spoil produced from top board, base plate and interlayer in mining process and choose during coal washing
Wash spoil.There is problems with during refractory material is fired in existing gangue tunnel cave：
1) heat insulation effect of kiln body is poor, causes energy loss more, affects production cost and product quality；
2) sand sealing groove structure setting is unreasonable, and sand sealing groove cannot arrange very high height because intensity is limited, and cause kiln car two
Cut-off effect between the steel skirtboard and the sand sealing groove of side wall of side is poor so that cold air is easily leaked in people's kiln, and hot gas also holds
Outside leakiness kiln discharge, production cost and product quality are affected；
3) kiln top heat insulation structural arranges unreasonable, causes kiln top insulating obtain powerful support, limits kiln
The thickness of top insulating, have impact on heat insulation effect.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and a kind of reasonable in design is provided,
Better heat preservation, sand sealing groove intensity are good, the gangue tunnel cave that kiln top heat insulation structural structural strength is high.
The present invention the adopted technical scheme that solves the above problems is：
A kind of gangue tunnel cave, the kiln car travelled including the kiln body for extending transversely and in the kiln body, kiln body
Including Yao Ding, kiln wall and service aisle, service aisle includes inducer, preheating section, furnace zone, insulation in the direction of extension successively
Section and cooling section, kiln wall include the body of wall plateau for being fixed on ground, and body of wall plateau is built into using rubble brick body, the wall
The pad level of concreting is provided with body plateau；Preheating section, furnace zone, soaking zone and cooling section it is padded
The first body of wall layer, the second body of wall layer, wall heat insulation layer and the 3rd wall for setting gradually from the inside to the outside is provided with layer
Body layer, the first body of wall layer are formed using concreting, and the second body of wall layer is built into using light fire brick, the 3rd body of wall layer
It is built into using brick body, between the second body of wall layer and pad level, is provided with supporting layer, the supporting layer is built into using brick body,
The separation layer of refractory brick composition is provided between support layer and the 3rd body of wall layer, is provided between the first body of wall layer and supporting layer
Using the articulamentum of concreting, the medial surface 30mm-60mm of medial surface distance the first body of wall layer of articulamentum, connection
Medial surface 80mm-120mm of the medial surface of layer apart from supporting layer；Inducer, preheating section, furnace zone, soaking zone and cooling section
The track structure for kiln car traveling is provided with service aisle, the track structure includes track plateau and track installation layer, institute
State track plateau to be built into using rubble brick body, the width of track plateau is 500mm-900mm, track installation layer is poured using concrete
Build and form, in track installation layer, be embedded with U bolt, between the two ends of U bolt, be provided with track, the track is by compressing
Plate is fixed on U bolt；Service aisle side is leaned on the pad level of inducer, preheating section, furnace zone, soaking zone and cooling section
It is provided with for sealing the sand seal slot structure of kiln car bottom space, the sand sealing groove includes the angle steel being embedded in pad level, angle
Steel is obliquely installed in 20 ° -70 °, be welded with dowel by service aisle side on angle steel, and dowel is fixedly arranged above sand seal groove angle
Steel, the section of the sand sealing groove angle steel are L-shaped, and the side of the dowel is welded with reinforcement steel plate, the sand sealing groove angle steel
It is fitted in reinforcement steel plate and is bolted sand sealing groove angle steel and strengthens steel plate, is formed between sand sealing groove angle steel and pad level and used
In the appearance sand launder for accommodating sealing sand；Kiln top includes kiln lamina tecti, and the two ends of kiln lamina tecti are supported on the top of the 3rd body of wall layer；In advance
Elevator, the heat-insulated guarantor in lower end connection kiln top of elevator are fixed with below the kiln lamina tecti of hot arc, furnace zone, soaking zone and cooling section
Warm layer, the upper and lower ends of elevator are provided with inserting groove, and preheating section, furnace zone, soaking zone are provided with kiln top insulating,
The support boatswain chair for kiln top insulating is provided with below the insulating of kiln top, the boatswain chair is connected by steel wire rope
On elevator；The cooling section is provided with for pressure balanced air-blast device in service aisle, and the air-blast device includes drum
Blower fan, is provided with the air blast erecting bed that refractory brick is built into, air blast between two neighboring track plateau in service aisle
Erecting bed is provided with for installing the air blast installing hole of air blast, and the service aisle bottom surface residing for the air blast erecting bed is in
15 ° -35 ° are obliquely installed, air-blast device connection control system；The soaking zone is provided with suspended block structure, the suspended block structure bag
The multiple suspended blocks successively against arrangement are included, the suspended block is in inverted T-shape, and the upper end of the suspended block is provided with for snapping under elevator
The inserted terminal of end inserting groove, the lower end both sides of the suspended block are provided with semicircular axle brick installing hole, the axle of two neighboring suspended block
Brick installing hole is spliced into the axle brick hole for the insertion of axle brick, and insulation material is filled between two neighboring suspended block.It is of the invention with it is existing
Technology is compared, with advantages below and effect：
1) not only easy construction is quick for insulation construction, and energy-conservation and environment-friendly advantage, improves heat insulation effect, reduces energy
Consumption；
2) rationally, the intensity of sand sealing groove is higher for sand sealing groove structure setting, the steel skirtboard of kiln car both sides and the sand seal of side wall
Cut-off effect between groove is good, improves integral sealing effect so that cold air is not allowed in leakiness people's kiln, and hot gas is not easy to spill
Outside kiln, it is ensured that production cost and product quality, simple and reliable for structure, low cost, long service life；
3) kiln top heat insulation structural arranges reasonable, kiln top insulating can with powerful support, can arrange thicker kiln top every
Hot heat-insulation layer, it is ensured that heat insulation effect, simple structure, the easy construction of kiln top, construction cost are low；
4) by air blast is arranged on inclined-plane and by arranging multiple air blasts, cooling effect, and work are improve
Make in passage, between two neighboring track plateau, to be provided with the air blast erecting bed that refractory brick is built into so that air blast is applied
Work is more simple, reduces construction cost；
5) simple structure of suspended block, easy for installation, and improves air-tightness by arranging axle brick between suspended block, reduces
Energy loss.
Description of the drawings
Fig. 1 is the structural representation of the energy-saving tunnel cave of the embodiment of the present invention.
Fig. 2 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at A-A.
Fig. 3 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at B-B.
Fig. 4 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at C-C.
Fig. 5 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at D-D.
Fig. 6 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at E-E.
Fig. 7 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at F-F.
Fig. 8 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at G-G.
Fig. 9 is the cross section structure schematic diagram in the embodiment of the present invention in Fig. 1 at H-H.
Figure 10 is embodiment of the present invention middle orbit mounting structure schematic diagram.
Figure 11 is the structural representation of sand seal slot structure in the embodiment of the present invention.
Figure 12 is the Elevator structure schematic diagram in the embodiment of the present invention.
Figure 13 is the mounting structure schematic diagram of suspended block and axle brick in the embodiment of the present invention.
Figure 14 is the structural representation of throwing coal pipe in the embodiment of the present invention.
Figure 15 is the mounting structure schematic diagram of air blast in the embodiment of the present invention.
Figure 16 is the mounting structure schematic diagram of another angle air blast in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are to this
Bright explanation and the invention is not limited in following examples.
Referring to Fig. 1-Figure 16, the present embodiment gangue tunnel cave, including the kiln body for extending transversely and in the kiln body
The kiln car of interior traveling, kiln body include Yao Ding, kiln wall and service aisle 1, and service aisle 1 includes inducer in the direction of extension successively
L1, preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5, kiln wall include the body of wall plateau 21 for being fixed on ground,
Body of wall plateau 21 is built into using rubble brick body, and the pad level of concreting is provided with the body of wall plateau 21
22。
Be provided with the pad level 22 of preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5 from the inside to the outside according to
First body of wall layer 23 of secondary setting, the second body of wall layer 24, wall heat insulation layer 25 and the 3rd body of wall layer 26, first wall
Body layer 23 is formed using concreting, and the second body of wall layer 24 is built into using light fire brick, and the 3rd body of wall layer 26 adopts brick body
It is built into, between the second body of wall layer 24 and pad level 22, is provided with supporting layer 27, the supporting layer 27 is built into using brick body,
The separation layer 28 of refractory brick composition, the first body of wall layer 23 and supporting layer 27 are provided between support layer 27 and the 3rd body of wall layer 26
Between be provided with the articulamentum 29 of concreting, the inner side of the first body of wall of medial surface distance layer 23 of articulamentum 29
Face 30mm-60mm, the medial surface 80mm-120mm of the medial surface of articulamentum apart from supporting layer 27.
It is provided with the service aisle 1 of inducer L1, preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5 and supplies kiln
34 structure of track of car traveling, 34 structure of the track include track plateau 31 and track installation layer 32, the track plateau 31
It is built into using rubble brick body, the width of track plateau 31 is 500mm-900mm, and track installation layer 32 is using concreting
Into, U bolt 33 is embedded with track installation layer 32, track 34 is provided between the two ends of U bolt 33, the track 34 leads to
Cross pressure strip 35 to be fixed on U bolt 33.
Service aisle is leaned on the pad level 22 of inducer L1, preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5
1 side is provided with for sealing the sand seal slot structure 41 of kiln car bottom space, and the sand sealing groove includes being embedded in pad level 22
Angle steel 42, angle steel 42 are obliquely installed in 20 ° -70 °, are welded with dowel 43 by 1 side of service aisle on angle steel 42, dowel 43
Sand sealing groove angle steel 44 is fixedly arranged above, the section of the sand sealing groove angle steel 44 is L-shaped, and the side of the dowel 43 is welded with
Strengthen steel plate 45, the sand sealing groove angle steel 44 is fitted in reinforcement steel plate 45 and is bolted sand sealing groove angle steel 44 and strengthens steel
Plate 45, forms between sand sealing groove angle steel 44 and pad level 22 for accommodating the appearance sand launder 46 for sealing sand.
Kiln top includes kiln lamina tecti, and the two ends of kiln lamina tecti are supported on the top of the 3rd body of wall layer 26.
Elevator 51, elevator are fixed with below the kiln lamina tecti of preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5
51 lower end connection kiln top insulating 52, the upper and lower ends of elevator 51 are provided with inserting groove 511, preheating section L2, roasting
Section L3, soaking zone L4 are provided with kiln top insulating 52, the lower section of kiln top insulating 52 be provided with for kiln top every
The support boatswain chair 53 of hot heat-insulation layer 52, the boatswain chair are connected on elevator 51 by steel wire rope.
Preheating section L2 is provided with throwing sandpipe 61, air intake structure, is provided with lightweight resistance on the pad level 22 of inducer L1
The 4th body of wall layer 62 that firebrick is built into, throwing 61 oblique cutting of sandpipe enter the 4th body of wall layer 62, throw the inside and outside two ends difference of sandpipe 61
Pass from inside and outside the 4th body of wall layer 62, throw sandpipe 61 and be obliquely installed in 20 ° -70 °, the outer end for throwing sandpipe 61 arranges hinged
It is connected on the throwing sandpipe cover plate 63 thrown on sandpipe 61.
The air intake structure includes being arranged on the air inlet duct 71 on the outside of the kiln wall of inducer L1, and the air inlet duct 71 is using light
Refractory brick is built into, and the inducer L1 is provided with from air inlet duct 71 air inlet pipe 72 for penetrating body of wall plateau 21, the air inlet pipe
72 the inner is arranged on the medium position of service aisle 1, is provided with the first track cover plate 73 in the service aisle 1 of inducer L1,
The two ends of the first track cover plate 73 are fixed on two neighboring track installation layer 32.
Preheating section L2 is provided with fume extractor, and fume extractor includes being arranged on multiple first connecting tubes above kiln lamina tecti
81, the two ends of first connecting tube 81 have been respectively communicated with the second connecting tube 82, and two the second connecting tubes 82 are respectively from preheating section
The both sides of L2 penetrate kiln wall and are communicated in service aisle 1, and the lower section of first connecting tube 81 is communicated with and multiple sets in interval
The 3rd connecting tube 83 is put, and in being vertically arranged and kiln top being penetrated to be communicated in service aisle 1, first connects the 3rd connecting tube 83
Connection is realized by the 4th connecting tube 84 between adapter 81, the 4th connecting tube 84 accesses smoking blower fan.
It is provided between adjacent orbit mounting layer 32 in the service aisle 1 of preheating section L2 every hollow plate 102, it is described every hollow plate
Be built into using pea gravel concreten, the space above between adjacent orbit mounting layer 32 is arranged on every hollow plate.
Furnace zone L3 is provided with for throwing in the throwing texture of coal of gangue, and throwing texture of coal includes penetrating kiln from above kiln top
The throwing coal pipe 11 of service aisle 1 is pushed up and is communicated to, the throwing coal pipe 11 includes throwing pipe 111 and throwing coal down tube 112, the throwing on coal
Connected by flange arrangement 113 between pipe 111 and throwing coal down tube 112 on coal, the top for throwing pipe 111 on coal is by throwing coal pipe
Lid 114 realizes sealing, and described throwing be provided with coal lid 114 for lifting the handle 115 for throwing coal lid 114, throws pipe 111 on coal
On be welded with the retainer ring 116 for being against kiln top.
Furnace zone L3 is provided with first for controlling temperature in service aisle 1 and send hot air apparatus, and first send hot air apparatus
Including the 5th connecting tube 85 for being arranged on kiln top, the lower section of the 5th connecting tube 85 is communicated with multiple the 6th companies that are set in distance
Adapter 86, in being vertically arranged and penetrating kiln top to be communicated in service aisle 1, the 5th connecting tube 85 is connected to the 6th connecting tube 86
Send air-heater 101.
Soaking zone L4 is provided with second for controlling temperature in service aisle 1 and send hot air apparatus, and second send hot air apparatus
Including multiple 7th connecting tubes 87 being arranged on above kiln lamina tecti, the two ends of the 7th connecting tube 87 have been respectively communicated with the 8th
Connecting tube 88, two the 8th connecting tubes 88 penetrate kiln wall from the both sides of soaking zone L4 respectively and are communicated in service aisle 1, described
The lower section of the 7th connecting tube 87 is communicated with multiple the 9th connecting tubes 89 that are set in distance, and the 9th connecting tube 89 is in be vertically arranged
And kiln top is penetrated to be communicated in service aisle 1, realize connecting and connecting by the tenth connecting tube 810 between the 7th connecting tube 87
To air-heater 101 is sent, send in the service aisle 1 that air-heater 101 is connected to preheating section L2.
Preheating section L2 and furnace zone L3 are provided with for sensing in service aisle 1 baroceptor of air pressure and for feeling
The temperature sensor of the temperature surveyed in service aisle 1, temperature sensor and baroceptor connection control system, control system connect
Air-heater 101 is picked, cooling section L5 is provided with for pressure balanced air-blast device in service aisle 1, the air-blast device bag
Air blast 121 is included, the air blast installation that refractory brick is built in service aisle 1, between two neighboring track plateau 31, is provided with
Platform 122, air blast erecting bed 122 are provided with for installing 121 installing hole of air blast of air blast 121, and the air blast is installed
1 bottom surface of service aisle residing for platform 122 is obliquely installed in 15 ° -35 °, air-blast device connection control system.
Soaking zone L4 is provided with 131 structure of suspended block, and 131 structure of the suspended block includes multiple suspended blocks successively against arrangement
131, the suspended block 131 is in inverted T-shape, and the upper end of the suspended block 131 is provided with for snapping in 51 lower end inserting groove 511 of elevator
Inserted terminal 1311, the lower end both sides of the suspended block 131 are provided with semicircular 132 installing hole of axle brick, two neighboring suspended block 131
132 installing hole of axle brick is spliced into 132 hole of axle brick for the insertion of axle brick 132, and thermal insulating material is filled between two neighboring suspended block 131
Material.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement or adopt similar mode to described specific embodiment
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.
Claims (1)
1. a kind of gangue tunnel cave, it is characterised in that：Travel including the kiln body for extending transversely and in the kiln body
Kiln car, kiln body include Yao Ding, kiln wall and service aisle, and service aisle includes inducer, preheating section, roasting in the direction of extension successively
Section, soaking zone and cooling section are burnt, kiln wall includes the body of wall plateau for being fixed on ground, and body of wall plateau is built using rubble brick body
Into the pad level of concreting is provided with the body of wall plateau；Preheating section, furnace zone, soaking zone and cold
But be provided with the pad level of section set gradually from the inside to the outside the first body of wall layer, the second body of wall layer, wall heat insulation layer
And the 3rd body of wall layer, the first body of wall layer formed using concreting, and the second body of wall layer is built into using light fire brick,
3rd body of wall layer is built into using brick body, and supporting layer is provided between the second body of wall layer and pad level, and the supporting layer is adopted
Brick body is built into, and the separation layer of refractory brick composition, the first body of wall layer and support are provided between supporting layer and the 3rd body of wall layer
The articulamentum of concreting, the medial surface of medial surface distance the first body of wall layer of articulamentum are provided between layer
30mm-60mm, the medial surface 80mm-120mm of the medial surface of articulamentum apart from supporting layer；Inducer, preheating section, furnace zone, guarantor
Be provided with the service aisle of temperature section and cooling section for kiln car traveling track structure, the track structure include track plateau and
Track installation layer, the track plateau are built into using rubble brick body, and the width of track plateau is 500mm-900mm, track installation
Layer is formed using concreting, is embedded with U bolt, track, institute are provided between the two ends of U bolt in track installation layer
State track to be fixed on U bolt by pressure strip；The pad level of inducer, preheating section, furnace zone, soaking zone and cooling section
Upper to be provided with for sealing the sand seal slot structure of kiln car bottom space by service aisle side, the sand sealing groove includes being embedded in padded
Angle steel in layer, angle steel are obliquely installed in 20 ° -70 °, are welded with dowel, the top of dowel by service aisle side on angle steel
Sand sealing groove angle steel is fixed with, the section of the sand sealing groove angle steel is L-shaped, and the side of the dowel is welded with reinforcement steel plate,
The sand sealing groove angle steel is fitted in reinforcement steel plate and is bolted sand sealing groove angle steel and strengthens steel plate, sand sealing groove angle steel and pad
Formed between high level for accommodating the appearance sand launder for sealing sand；Kiln top includes kiln lamina tecti, and the two ends of kiln lamina tecti are supported on the 3rd
The top of body of wall layer；Elevator is fixed with below the kiln lamina tecti of preheating section, furnace zone, soaking zone and cooling section, under elevator
End connection kiln top insulating, the upper and lower ends of elevator are provided with inserting groove, and preheating section, furnace zone, soaking zone are respectively provided with
There is kiln top insulating, below the insulating of kiln top, be provided with the support boatswain chair for kiln top insulating, it is described
Boatswain chair is connected on elevator by steel wire rope；The cooling section is provided with for pressure balanced air-blast device in service aisle,
The air-blast device includes air blast, is provided with the drum that refractory brick is built between two neighboring track plateau in service aisle
Assembling platform, air blast erecting bed are provided with for installing the air blast installing hole of air blast, the air blast erecting bed institute
The service aisle bottom surface at place is obliquely installed in 15 ° -35 °, air-blast device connection control system；The soaking zone is provided with suspended block knot
Structure, the suspended block structure include multiple suspended blocks successively against arrangement, and the suspended block is in inverted T-shape, and the upper end of the suspended block sets
It is equipped with for snapping in the inserted terminal of elevator lower end inserting groove, the lower end both sides of the suspended block are provided with semicircular axle brick and install
Hole, the axle brick installing hole of two neighboring suspended block are spliced into the axle brick hole for the insertion of axle brick, filled with guarantor between two neighboring suspended block
Adiabator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211838.XA CN104819642B (en) | 2015-04-29 | 2015-04-29 | A kind of gangue tunnel cave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211838.XA CN104819642B (en) | 2015-04-29 | 2015-04-29 | A kind of gangue tunnel cave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819642A CN104819642A (en) | 2015-08-05 |
| CN104819642B true CN104819642B (en) | 2017-04-05 |
Family
ID=53730019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510211838.XA Expired - Fee Related CN104819642B (en) | 2015-04-29 | 2015-04-29 | A kind of gangue tunnel cave |
Country Status (1)
| Country | Link |
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| CN (1) | CN104819642B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567272A (en) * | 2019-09-05 | 2019-12-13 | 广东中鹏热能科技有限公司 | Kiln heat insulation structure and construction method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2804529A1 (en) * | 1978-02-03 | 1979-08-09 | Werner Ing Grad Strohmenger | Tunnel kiln for baking ceramic workpieces - has roof consisting of mobile segments carrying workpieces suspended on hooks through kiln |
| JPS57144881A (en) * | 1981-03-03 | 1982-09-07 | Kurosaki Refractories Co | Sand sealing apparatus for tunnel kiln |
| JPS57148180A (en) * | 1981-03-06 | 1982-09-13 | Kurosaki Refractories Co | Sand sealing apparatus for tunnel kiln |
| CN203190789U (en) * | 2013-04-02 | 2013-09-11 | 梁善良 | Tunnel kiln |
| CN103423992A (en) * | 2013-08-29 | 2013-12-04 | 郑州鹏泰高新建材制品有限公司 | Energy-saving tunnel kiln used for gangue sintered brick production |
| CN204739895U (en) * | 2015-04-29 | 2015-11-04 | 长兴震铭耐火材料有限公司 | Gangue tunnel cave |
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2015
- 2015-04-29 CN CN201510211838.XA patent/CN104819642B/en not_active Expired - Fee Related
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| CN104819642A (en) | 2015-08-05 |
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Granted publication date: 20170405 Termination date: 20180429 |