CN104792160B - A kind of gangue tunnel cave is calcined segment structure - Google Patents
A kind of gangue tunnel cave is calcined segment structure Download PDFInfo
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- CN104792160B CN104792160B CN201510218083.6A CN201510218083A CN104792160B CN 104792160 B CN104792160 B CN 104792160B CN 201510218083 A CN201510218083 A CN 201510218083A CN 104792160 B CN104792160 B CN 104792160B
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- kiln
- wall
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- coal
- throwing
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- 230000036536 Cave Effects 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003245 coal Substances 0.000 claims abstract description 56
- 239000011449 brick Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 239000004576 sand Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 25
- 238000002791 soaking Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 239000002965 rope Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000875 corresponding Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 52
- 238000010586 diagram Methods 0.000 description 13
- 239000000411 inducer Substances 0.000 description 7
- 229920002456 HOTAIR Polymers 0.000 description 4
- 230000000149 penetrating Effects 0.000 description 4
- 210000004279 Orbit Anatomy 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000391 smoking Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Abstract
Segment structure is calcined the invention discloses a kind of gangue tunnel cave, it is characterised in that：The kiln car travelled including kiln body and in the kiln body, kiln body includes Yao Ding, kiln wall and service aisle, kiln wall includes the wall plateau for being used to be fixed on ground, and wall plateau is built into using rubble brick body, and the pad level using concreting is provided with the wall plateau；The the first wall layer set gradually from the inside to the outside, the second cavity layer, cavity insulating and the 3rd wall layer are provided with pad level, furnace zone structure setting has the throwing texture of coal for delivering gangue, not only easy construction is quick for insulation construction of the present invention, and energy-conservation and environment-friendly advantage, heat insulation effect is improved, energy consumption is reduced；Manage and connected between throwing coal down tube by flange arrangement on the throwing coal so that pipe and throwing coal down tube on throwing coal can be set gradually so that can improve efficiency of construction successively according to corresponding component during construction in layer.
Description
Technical field
Segment structure is calcined the present invention relates to a kind of gangue tunnel cave.
Background technology
Tunnel cave is usually linear tunnel one long, 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 produced burn in the presence of tunnel cave front end chimney or air-introduced machine, is flowed along tunnel to kiln hood direction, together
When preheat step by step into the product in kiln, 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 blasted flows through product and after being heated, then extracts feeding drier out as dry
The thermal source of dry green compact, this section just constitutes 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 black gray expandable rock relatively low, harder than coal with a kind of phosphorus content of coal seam association in coalification course.Including tunnelling
During digging gangue, the spoil that is produced in top plate, bottom plate and interlayer in mining process and coal washing during choose
Wash spoil.There is problems with during refractory material is fired in existing gangue tunnel cave roasting segment structure：Kiln body
Heat insulation effect is poor, causes energy loss more, influence production cost and product quality；Throw texture of coal structure design unreasonable,
Generally it is used as throwing coal using whole pipe fitting, with certain difficulty of construction when construction in layer.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided,
Better heat preservation, throws texture of coal and holds easy working gangue tunnel cave roasting segment structure.
The present invention the used technical scheme that solves the above problems is：
A kind of gangue tunnel cave is calcined segment structure, including kiln body and the kiln car that is travelled in the kiln body, kiln body bag
Yao Ding, kiln wall and service aisle are included, kiln wall includes the wall plateau for being used to be fixed on ground, and wall plateau uses rubble brick body
It is built into, the pad level using concreting is provided with the wall plateau；It is provided with from the inside to the outside on pad level
The first wall layer, the second wall layer, wall insulating and the 3rd wall layer set gradually, the first wall layer is used
Concreting is formed, and the second wall layer is built into using light fire brick, and the 3rd wall layer is built into using brick body, second wall
Supporting layer is provided between body layer and pad level, the supporting layer is built into using brick body, is set between supporting layer and the 3rd wall layer
The separation layer constituted using refractory brick is equipped with, the company using concreting is provided between the first wall layer and supporting layer
Connect layer, the medial surface 30mm-60mm of the wall of medial surface distance first layer of articulamentum, the medial surface of articulamentum is apart from supporting layer
Medial surface 80mm-120mm；The track structure travelled for kiln car is provided with service aisle, it is high that the track structure includes track
Platform and track installation layer, the track plateau are built into using rubble brick body, and the width of track plateau is 500mm-900mm, track
Mounting layer is formed using concreting, is embedded with track installation layer between U bolt, the two ends of U bolt and is set rail
Road, the track is fixed on U bolt by pressure strip；It is provided with pad level by service aisle side for sealing kiln car bottom
The sand seal slot structure in portion space, the sand sealing groove includes the angle steel being embedded in pad level, and angle steel is obliquely installed in 20 ° -70 °,
On angle steel dowel is welded with by service aisle side, dowel is fixedly arranged above sand sealing groove angle steel, the sand sealing groove angle steel
Section is L-shaped, and the side of the dowel is welded with reinforcement steel plate, and the sand sealing groove angle steel is fitted in reinforcement steel plate and passed through
Bolt fixes sand sealing groove angle steel and strengthens steel plate, and the appearance sand for accommodating sealing sand is formed between sand sealing groove angle steel and pad level
Groove；Furnace zone structure setting has the throwing texture of coal for delivering gangue, and throwing texture of coal includes penetrating Yao Ding above kiln top
And the throwing coal pipe of service aisle is communicated to, the throwing coal pipe includes throwing manages and throws coal on coal on pipe and throwing coal down tube, the throwing coal
Connected between down tube by flange arrangement, sealing, the throwing coal lid are realized in the top for throwing pipe on coal by throwing coal lid
On be provided with the handle that coal lid is thrown for lifting, throw and be welded with the retainer ring for being against kiln top on pipe on coal.
Preferably, kiln top is included under kiln lamina tecti, preheating section, furnace zone, the kiln lamina tecti of soaking zone and cooling section
Side is fixed with elevator, the lower end connection kiln top insulating of elevator, and the upper and lower ends of elevator are provided with inserting groove, kiln top every
The support boatswain chair for kiln top insulating is provided with below hot heat-insulation layer, the boatswain chair is connected to elevator by steel wire rope
On.
The present invention compared with prior art, 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) connected on the throwing coal between pipe and throwing coal down tube by flange arrangement so that can set gradually on throwing coal
Pipe and throwing coal down tube so that can improve efficiency of construction successively according to corresponding component during construction in layer；
3) kiln top heat insulation structural sets reasonable, kiln top insulating can with powerful support, can set thicker kiln top every
Hot heat-insulation layer, it is ensured that heat insulation effect, simple in construction, kiln top easy construction, construction cost is low.
Brief 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 Fig. 1 at A-A in the embodiment of the present invention.
Fig. 3 is the cross section structure schematic diagram in Fig. 1 at B-B in the embodiment of the present invention.
Fig. 4 is the cross section structure schematic diagram in Fig. 1 at C-C in the embodiment of the present invention.
Fig. 5 is the cross section structure schematic diagram in Fig. 1 at D-D in the embodiment of the present invention.
Fig. 6 is the cross section structure schematic diagram in Fig. 1 at E-E in the embodiment of the present invention.
Fig. 7 is the cross section structure schematic diagram in Fig. 1 at F-F in the embodiment of the present invention.
Fig. 8 is the cross section structure schematic diagram in Fig. 1 at G-G in the embodiment of the present invention.
Fig. 9 is the cross section structure schematic diagram in Fig. 1 at H-H in the embodiment of the present invention.
Figure 10 is middle orbit mounting structure schematic diagram of the embodiment of the present invention.
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 blower in the embodiment of the present invention.
Figure 16 is the mounting structure schematic diagram of another angle air blower in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
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 that extends transversely and in the kiln body
The kiln car of interior traveling, kiln body includes Yao Ding, kiln wall and service aisle 1, and service aisle 1 includes inducer successively in the direction of extension
L1, preheating section L2, furnace zone L3, soaking zone L4 and cooling section L5, kiln wall include the wall plateau 21 for being used to be fixed on ground,
Wall plateau 21 is built into using rubble brick body, and the pad level using concreting is provided with the wall plateau 21
22。
Preheating section L2, furnace zone L3, be provided with soaking zone L4 and cooling section L5 pad level 22 from the inside to the outside according to
The first wall the 23, second wall of layer layer 24, wall heat insulation layer 25 and the 3rd wall layer 26 of secondary setting, first wall
Body layer 23 is formed using concreting, and the second wall layer 24 is built into using light fire brick, and the 3rd wall layer 26 uses brick body
It is built into, is provided with supporting layer 27 between the second wall layer 24 and pad level 22, the supporting layer 27 is built into using brick body, is propped up
The separation layer 28 constituted using refractory brick, the first wall layer 23 and supporting layer 27 are provided between support layer 27 and the 3rd wall layer 26
Between be provided with articulamentum 29 using concreting, the inner side of the wall of medial surface distance first layer 23 of articulamentum 29
Face 30mm-60mm, the medial surface 80mm-120mm of the medial surface of articulamentum apart from supporting layer 27.
Inducer L1, preheating section L2, furnace zone L3, it is provided with soaking zone L4 and cooling section L5 service aisle 1 and supplies kiln
The structure of track 34 of car traveling, the structure of track 34 includes 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
It is embedded with into, track installation layer 32 between U bolt 33, the two ends of U bolt 33 and is provided with track 34, the track 34 leads to
Pressure strip 35 is crossed to be fixed on U bolt 33.
Inducer L1, preheating section L2, furnace zone L3, lean on service aisle on soaking zone L4 and cooling section L5 pad level 22
1 side is provided with the sand seal slot structure 41 for sealing kiln car bottom space, and the sand sealing groove includes being embedded in pad level 22
Angle steel 42, angle steel 42 is obliquely installed in 20 ° -70 °, and dowel 43 is welded with by the side of service aisle 1 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 the appearance sand launder 46 for accommodating sealing sand between sand sealing groove angle steel 44 and pad level 22.
Kiln top includes kiln lamina tecti, and the two ends of kiln lamina tecti are supported on the top of the 3rd wall layer 26.
Preheating section L2, furnace zone L3, it is fixed with elevator 51, elevator below soaking zone L4 and cooling section L5 kiln lamina tecti
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 is connected on elevator 51 by steel wire rope.
Preheating section L2, which is provided with to be provided with throwing sandpipe 61, air intake structure, inducer L1 pad level 22, uses lightweight resistance to
The 4th wall layer 62 that firebrick is built into, the throwing oblique cutting of sandpipe 61 enters the 4th wall layer 62, throws the inside and outside two ends difference of sandpipe 61
Passed inside and outside the 4th wall layer 62, throw sandpipe 61 and be obliquely installed in 20 ° -70 °, the outer end for throwing sandpipe 61 sets 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 inducer L1 kiln wall, and the air inlet duct 71 is using light
Refractory brick is built into, and the inducer L1 is provided with the air inlet pipe 72 that wall plateau 21 is penetrated from air inlet duct 71, the air inlet pipe
72 the inner is arranged in the medium position of service aisle 1, inducer L1 service aisle 1 and is provided with the first track cover plate 73,
The two ends of 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
L2 both sides penetrate kiln wall and are communicated in service aisle 1, and the lower section of first connecting tube 81 is communicated with multiple to be set in interval
The 3rd connecting tube 83 is put, the 3rd connecting tube 83 is in being vertically arranged and penetrating kiln top to be communicated in service aisle 1, and first connects
Realized and connected by the 4th connecting tube 84 between adapter 81, the 4th connecting tube 84 access smoking blower fan.
It is provided between adjacent orbit mounting layer 32 in preheating section L2 service aisle 1 every hollow plate 102, it is described every hollow plate
It is 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 the throwing texture of coal for delivering gangue, and throwing texture of coal includes penetrating kiln 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 on coal, described to throw
Connected on coal between pipe 111 and throwing coal down tube 112 by flange arrangement 113, the top for throwing pipe 111 on coal is by throwing coal pipe
Lid 114 realizes sealing, described to throw the handle 115 for being provided with coal lid 114 and coal lid 114 being thrown for lifting, and throws pipe 111 on coal
On be welded with the retainer ring 116 for being against kiln top.
Furnace zone L3 is provided with for controlling first of temperature in service aisle 1 to send hot air apparatus, and first send hot air apparatus
The 5th connecting tube 85 including 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, the 6th connecting tube 86 is in being vertically arranged and penetrating kiln top to be communicated in service aisle 1, and the 5th connecting tube 85 is connected to
Send air-heater 101.
Soaking zone L4 is provided with for controlling second of temperature in service aisle 1 to 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 soaking zone L4 both sides respectively and are communicated in service aisle 1, described
The lower section of 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, realized between the 7th connecting tube 87 by the tenth connecting tube 810 and connect and connect
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 for 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
Include the air blower installation for being provided with and being built into using refractory brick between two neighboring track plateau 31 in air blower 121, service aisle 1
Platform 122, air blower erecting bed 122 is provided with the mounting hole of air blower 121 for installing air blower 121, and the air blower is installed
The bottom surface of service aisle 1 residing for platform 122 is obliquely installed in 15 ° -35 °, air-blast device connection control system.
Soaking zone L4 is provided with the structure of suspended block 131, and the structure of suspended block 131 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 being caught in the lower end inserting groove 511 of elevator 51
Inserted terminal 1311, the lower end both sides of the suspended block 131 are provided with the semicircular mounting hole of axle brick 132, two neighboring suspended block 131
The mounting hole of axle brick 132, which is spliced between the hole of axle brick 132 for the insertion of axle brick 132, two neighboring suspended block 131, is filled with thermal insulating material
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 to described specific embodiment or use similar mode
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 (2)
1. a kind of gangue tunnel cave is calcined segment structure, it is characterised in that：The kiln travelled including kiln body and in the kiln body
Car, kiln body includes Yao Ding, kiln wall and service aisle, and kiln wall includes the wall plateau for being used to be fixed on ground, and wall plateau is adopted
It is built into rubble brick body, the pad level using concreting is provided with the wall plateau；It is respectively provided with pad level
There are the first wall layer set gradually from the inside to the outside, the second wall layer, wall insulating and the 3rd wall layer, described first
Wall layer is formed using concreting, and the second wall layer is built into using light fire brick, and the 3rd wall layer is built into using brick body,
Supporting layer is provided between the second wall layer and pad level, the supporting layer is built into using brick body, supporting layer and the 3rd wall
The separation layer constituted using refractory brick is provided between body layer, is provided with and is poured using concrete between the first wall layer and supporting layer
The articulamentum built, the medial surface 30mm-60mm of the medial surface distance first wall layer of articulamentum, the medial surface of articulamentum away from
From the medial surface 80mm-120mm of supporting layer；The track structure travelled for kiln car, the track structure are provided with service aisle
Including track plateau and track installation layer, the track plateau is 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 in track installation layer, the two ends of U bolt it
Between be provided with track, the track is fixed on U bolt by pressure strip；Being provided with pad level by service aisle side is used for
The sand seal slot structure of kiln car bottom space is sealed, the sand sealing groove includes the angle steel being embedded in pad level, and angle steel is in 20 ° -70 °
It is obliquely installed, dowel is welded with by service aisle side on angle steel, dowel is fixedly arranged above sand sealing groove angle steel, the sand seal
The section of groove angle steel is L-shaped, and the side of the dowel is welded with reinforcement steel plate, and the sand sealing groove angle steel is fitted in reinforcement steel
Plate is simultaneously bolted sand sealing groove angle steel and strengthens steel plate, is formed between sand sealing groove angle steel and pad level for accommodating sealing sand
Appearance sand launder；Furnace zone structure setting has the throwing texture of coal for delivering gangue, and throwing texture of coal includes wearing above kiln top
Enter kiln top and be communicated to the throwing coal pipe of service aisle, the throwing coal pipe includes throwing manages on coal on pipe and throwing coal down tube, the throwing coal
Connected between throwing coal down tube by flange arrangement, sealing is realized in the top for throwing pipe on coal by throwing coal lid, described to throw
The handle that coal lid is thrown for lifting is provided with coal lid, throws and is welded with the retainer ring for being against kiln top on pipe on coal.
2. gangue tunnel cave according to claim 1 is calcined segment structure, it is characterised in that：Kiln top includes kiln lamina tecti,
Preheating section, furnace zone, it is fixed with elevator below the kiln lamina tecti of soaking zone and cooling section, the lower end connection kiln top of elevator is heat-insulated
Heat-insulation layer, the upper and lower ends of elevator, which are provided with below inserting groove, kiln top insulating, to be provided with for the heat-insulated guarantor in kiln top
The support boatswain chair of warm layer, the boatswain chair is connected on elevator by steel wire rope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510218083.6A CN104792160B (en) | 2015-04-29 | 2015-04-29 | A kind of gangue tunnel cave is calcined segment structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510218083.6A CN104792160B (en) | 2015-04-29 | 2015-04-29 | A kind of gangue tunnel cave is calcined segment structure |
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| CN104792160B true CN104792160B (en) | 2017-08-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3866929B2 (en) * | 2001-03-29 | 2007-01-10 | 光洋サーモシステム株式会社 | Continuous firing furnace |
| JP2003172583A (en) * | 2001-12-04 | 2003-06-20 | Shoei Seisakusho:Kk | Heat treatment device for plasma display panel |
| CN202420154U (en) * | 2011-12-26 | 2012-09-05 | 王玉福 | Energy-saving tunnel kiln |
| CN103629925A (en) * | 2012-08-27 | 2014-03-12 | 巨野县大鹏窑炉有限公司 | Assembled type tunnel kiln |
| CN104457228B (en) * | 2014-11-25 | 2017-01-25 | 安徽省鸿福新型建材科技有限公司 | Tenon type composite flat-top tunnel kiln |
| CN204757657U (en) * | 2015-04-29 | 2015-11-11 | 长兴震铭耐火材料有限公司 | Gangue tunnel cave calcination stage structure |
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