CN201992976U - Roller kiln suitable for rapidly firing foamed ceramics - Google Patents
Roller kiln suitable for rapidly firing foamed ceramics Download PDFInfo
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- CN201992976U CN201992976U CN2011200242498U CN201120024249U CN201992976U CN 201992976 U CN201992976 U CN 201992976U CN 2011200242498 U CN2011200242498 U CN 2011200242498U CN 201120024249 U CN201120024249 U CN 201120024249U CN 201992976 U CN201992976 U CN 201992976U
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a roller kiln suitable for rapidly firing foamed ceramics, comprising a kiln body on which a preheating coke removing region, a smoke removing region, a hard firing region and a cooling region are arranged, wherein kiln walls of the preheating coke removing region and the hard firing region are both provided with a burner nozzle; the burner nozzles are provided with gas by a gas supplying device through a pipeline and provided with combustion-supporting wind through a combustion-supporting fan; the cooling region is provided with a cooling fan and a heat suction fan; the kiln body is provided with ceramic roller bars which are run through between the head and the tail of the kiln and are used for carrying and transporting fire-resistant battens; and the smoke removing region is arranged between the preheating coke removing region and the hard firing region. The roller kiln has the advantages of energy saving, environment friendliness, small indoor temperature difference, easiness for control, safety, reliability, high quality of finished products, high degree of automation, low production cost and high yield.
Description
Technical field
The utility model relates to a kind of roller kilns, relates in particular to a kind of employing and draws high-temperature flue gas from roller kilns high temperature firing zone, in advance the emptying flue gas is carried out the roller kilns that are fit to burn till fast foamed ceramics of environmental protection treatment in secondary afterburning pipeline.
Background technology
Because foamed ceramics has porosity height, big, the high thermal shock of specific area, high temperature resistant, resistance to chemical attack, excellent mechanical intensity and filtration absorption property, fields such as molten alloy filtering material, heat exchange material and purifying vehicle exhaust have been widely used in, foamed ceramics mainly adopts the moulding of organic precursor infusion process at present, shuttle kiln burns till preparation, organic precursor select for use usually polyurethane foam (hereinafter to be referred as: foamed plastics).Foamed plastics can be volatilized and coking and burn gradually and lose in the time of 150 ℃～500 ℃, so the low-temperature flue gas that foamed ceramics produces in sintering process contains a large amount of poisonous pollution compositions before unprocessed.Before adopting traditional shuttle kiln to burn till the flue gas emptying of foamed ceramics generation at present, setting up burner (as: burner) in the outside smokejack of shuttle kiln in addition heats to 600 ℃～800 ℃ and carries out the secondary afterburning, just emptying after poisonous pollution composition burning mistake in the low-temperature flue gas is up to standard, this has increased the energy consumption of a part of unit product more.Shuttle kiln belongs to periodic kilns the kiln, burns till foamed ceramics with shuttle kiln, and single klining becomes the cycle to need 20 hours～24 hours, and automaticity is low, the production cost height, and output is little, is difficult to form large-scale production.The bent envelope of the kiln car of shuttle kiln place, in kiln herein hot gas overflow kiln outside or kiln outside cold wind seal in the kiln, and foamed ceramics need pile up from level to level on the kiln car face, the resistance increase of the interior heat exchange of kiln forms upper and lower temperature difference easily.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides the roller kilns that are fit to burn till fast foamed ceramics easy to control, safe and reliable, that end product quality is high, automaticity is high, production cost is low, output is big that have a narrow range of temperature in a kind of energy-conserving and environment-protective, the kiln.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of roller kilns that are fit to burn till fast foamed ceramics, comprise the kiln body, described kiln body is provided with preheating and waves Jiao Qu, smoke evacuation district, high temperature firing zone and cooling zone, described preheating is waved on the kiln wall of Jiao Qu and high temperature firing zone and all is provided with burner, burner is supplied with combustion gas and is supplied with combustion air by combustion fan by pipeline by the gas supply device, described cooling zone is provided with cooling blower and takes out air-heater, described kiln body is provided with and runs through the ceramic rod that is used to carry and carry fire-resistant lath between kiln hood and the kiln tail, and described smoke evacuation district is arranged on preheating and waves between Jiao Qu and the high temperature firing zone.
As the optimization to above-mentioned embodiment, described smoke evacuation district is provided with forward and backward smoke discharging pipe, and forward and backward smoke discharging pipe is made a distinction by last fireguard and following firebreak, and described forward and backward smoke discharging pipe is connected with the secondary afterburning pipeline that is located at the kiln external body and converges; Described preheating is waved on the kiln wall of Jiao Qu and high temperature firing zone and all is provided with flame-observing hole.
As further optimization to above-mentioned embodiment, described preheating is waved Jiao Qu by the kiln frame, at the bottom of the kiln, Yao Qiang and kiln top are formed, built light heat insulating brick by laying bricks or stones at the bottom of the described kiln, described kiln wall is from the inside to the outside by light heat insulating brick, ceramic fiber blanket and ceramic beaverboard are formed, on described kiln wall is divided into by ceramic rod, following kiln wall, on, establish perforated brick between the following kiln wall, filling the ceramic fibre loose wool between hole brick and the kiln frame seals, described kiln top is from the inside to the outside by cordierite I-shaped brick, the cordierite refractory plate, ceramic fiber blanket and ceramic fibre loose wool are formed, and described cordierite I-shaped brick is fixed on the I-shaped brick hanger; Described high temperature firing zone is by the kiln frame, at the bottom of the kiln, Yao Qiang and kiln top are formed, reaching the checker brick that are filled with ceramic fiber blanket and ceramic fibre loose wool inside by light heat insulating brick at the bottom of the described kiln forms, described kiln wall is from the inside to the outside by light heat insulating brick, ceramic fiber blanket and ceramic beaverboard are formed, on described kiln wall is divided into by ceramic rod, following kiln wall, on, establish perforated brick between the following kiln wall, filling the ceramic fibre loose wool between hole brick and the kiln frame seals, described kiln top is made up of mullite suspended roof brick and ceramic fiber blanket, and described mullite suspended roof brick is held by suspension hook and is hung on the furred ceiling beam.
The beneficial effects of the utility model are: described smoke evacuation district is arranged on preheating and waves between Jiao Qu and the high temperature firing zone, the high-temperature flue gas from the high temperature firing zone is drawn in employing, in secondary afterburning pipeline, in advance the emptying flue gas is carried out environmental protection treatment, smoke discharging structure has more rationally, also having avoided similar shuttle kiln smoke evacuation outside that burner is set separately in addition and heated afterburning and additionally increase energy consumption of unit product, is also purpose of energy saving of environmental protection thereby reach; Described preheating is waved kiln top, burnt district and is adopted cordierite I-shaped brick to add the cordierite refractory plate structure, the kiln top not easy to hang dirty and fall dirty, thereby improved product quality; Adopt at the bottom of the kiln of high temperature firing zone to build and fill ceramic fiber blanket and ceramic fibre loose wool structure in the checker brick, and the kiln body of roller kilns also selects for use ceramic beaverboard, ceramic fiber blanket and the ceramic fibre loose wool of little, the low accumulation of heat of thermal conductivity factor to build by laying bricks or stones etc. in a large number, the insulation of furnace wall performance is better, and energy consumption of unit product obviously reduces; Adopt ceramic rod to drive and carry fire-resistant lath, carry and place foamed ceramics on the fire-resistant lath again, carry refractory slab to make, can guarantee the high-quality of product by special material; Burner is selected advanced sky-combustion ratio combustion valve group and the safe and reliable control mode of energy-saving burner leading in the world and Europe for use, and burning is complete, and the temperature precise control has a narrow range of temperature in the kiln; The utility model firing period is short, automaticity is high, production cost is low, output is big, can realize large-scale production.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a facade schematic overview of the present utility model;
Fig. 2 is that burnt district kiln body section figure is waved in preheating of the present utility model;
Fig. 3 is high temperature firing zone kiln body section figure of the present utility model.
The specific embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of roller kilns that are fit to burn till fast foamed ceramics, comprise kiln body 1, described kiln body 1 is provided with preheating and waves burnt district 2, smoke evacuation district 3, high temperature firing zone 4 and cooling zone 5, described preheating is waved on the kiln wall of burnt district 2 and high temperature firing zone 4 and all is provided with burner 6, burner 6 is supplied with combustion gas and is supplied with combustion air by combustion fan 8 by pipeline by gas supply device 7, described cooling zone 5 is provided with cooling blower 9 and takes out air-heater 10, described kiln body 1 is provided with and runs through the ceramic rod 12 that is used to carry and carry fire-resistant lath 11 between kiln hood and the kiln tail, foamed ceramics then is placed on these again and carries on the fire-resistant lath 11, carry fire-resistant lath 11 to make by special material, in the foamed ceramics production process, can not produce physical-chemical reaction with ceramic rod 12 or foamed ceramics, as: can not adsorb the low-temperature flue gas foul during foamed ceramics volatilization coking, can not bond together etc. during high temperature with ceramic rod 12, it can be repeatedly used, simultaneously guaranteed that also product reaches high-quality, described smoke evacuation district 3 is arranged on preheating and waves between burnt district 2 and the high temperature firing zone 4.
As optimization to above-mentioned embodiment, described smoke evacuation district 3 is provided with forward and backward smoke discharging pipe 31,32, forward and backward smoke discharging pipe 31,32 is made a distinction by last fireguard 33 and following firebreak 34, and described forward and backward smoke discharging pipe 31,32 is connected with the secondary afterburning pipeline 35 that is located at kiln body 1 outside and converges; Described preheating is waved on the kiln wall of burnt district 2 and high temperature firing zone 4 and all is provided with flame-observing hole 13.
As further optimization to above-mentioned embodiment, described preheating is waved Jiao district 2 by kiln frame 21, at the bottom of the kiln 22, kiln wall 23 and kiln top 24 are formed, 22 have built light heat insulating brick 25 by laying bricks or stones at the bottom of the described kiln, described kiln wall 23 is from the inside to the outside by light heat insulating brick 25, ceramic fiber blanket 26 and ceramic beaverboard 27 are formed, on described kiln wall 23 is divided into by ceramic rod 12, following kiln wall, on, establish perforated brick 28 between the following kiln wall, filling ceramic fibre loose wool 29 between hole brick 28 and the kiln frame 21 seals, described kiln top 24 is from the inside to the outside by cordierite I-shaped brick 30, cordierite refractory plate 31, ceramic fiber blanket 26 and ceramic fibre loose wool 29 are formed, and described cordierite I-shaped brick 30 is fixed on the I-shaped brick hanger 301; Described cordierite I-shaped brick 30 holds hangs cordierite refractory plate 31, and the surface of cordierite I-shaped brick 30 and cordierite refractory plate 31 is more smooth, and is not easy to hang dirty, also is difficult for falling dirty; Described high temperature firing zone 4 is by kiln frame 21, at the bottom of the kiln 22, kiln wall 23 and kiln top 24 are formed, 22 are made up of light heat insulating brick 25 and the checker brick 41 that are filled with ceramic fiber blanket 26 and ceramic fibre loose wool 29 inside at the bottom of the described kiln, thermal conductivity factor because of ceramic fiber blanket 26 and ceramic fibre loose wool 29, amount of stored heat is all much smaller than light heat insulating brick 25, so heat-insulating property is better at the bottom of this kiln, described kiln wall 23 is from the inside to the outside by light heat insulating brick 25, ceramic fiber blanket 26 and ceramic beaverboard 27 are formed, on described kiln wall 23 is divided into by ceramic rod 12, following kiln wall, on, establish perforated brick 28 between the following kiln wall, filling ceramic fibre loose wool 29 between hole brick 28 and the kiln frame 21 seals, described kiln top 24 is made up of mullite suspended roof brick 42 and ceramic fiber blanket 26, and described mullite suspended roof brick 42 is held by suspension hook 43 and is hung on the furred ceiling beam 44.
The utility model is that roller kilns belong to the continous way kiln, burns till foamed ceramics with roller kilns, and single klining becomes the cycle only to need 2 hours～3 hours, the automaticity height, and production cost is low, and output is big, can realize large-scale production; The sealing of roller kilns is better, and foamed ceramics is placed on ceramic rod 12 and moved, and the kiln wall of the last lower channel of ceramic rod 12 is equipped with burner 6, and the temperature difference is controlled easily in the kiln, has a narrow range of temperature; Flue gas before interior 800 ℃～1200 ℃ high-temperature flue gas of roller kilns high temperature firing zone 4 is to the emptying afterburning of heating is drawn in employing, do not need to set up in addition burner, and the kiln body is built the light heat insulating brick of selecting little, the low accumulation of heat of thermal conductivity factor for use and more employing ceramic beaverboard, ceramic fiber blanket and ceramic fibre loose wool by laying bricks or stones and is built by laying bricks or stones etc., the insulation of furnace wall performance further improves, and energy consumption of unit product obviously reduces.
In addition, the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to the protection domain of utility model.
Claims (5)
1. roller kilns that are fit to burn till fast foamed ceramics, comprise kiln body (1), described kiln body (1) is provided with preheating and waves Jiao Qu (2), smoke evacuation district (3), high temperature firing zone (4) and cooling zone (5), described preheating is waved on the kiln wall of Jiao Qu (2) and high temperature firing zone (4) and all is provided with burner (6), burner (6) is supplied with combustion gas and is supplied with combustion air by combustion fan (8) by pipeline by gas supply device (7), described cooling zone (5) is provided with cooling blower (9) and takes out air-heater (10), it is characterized in that: described kiln body (1) is provided with to run through and is used for carrying between kiln hood and the kiln tail and carries the ceramic rod (12) of fire-resistant lath (11), and described smoke evacuation district (3) is arranged on preheating and waves between Jiao Qu (2) and the high temperature firing zone (4).
2. a kind of roller kilns that are fit to burn till fast foamed ceramics according to claim 1, it is characterized in that: described smoke evacuation district (3) is provided with forward and backward smoke discharging pipe (31,32), forward and backward smoke discharging pipe (31,32) is made a distinction by last fireguard (33) and following firebreak (34), and described forward and backward smoke discharging pipe (31,32) the secondary afterburning pipeline (35) outside with being located at kiln body (1) is connected and converges.
3. a kind of roller kilns that are fit to burn till fast foamed ceramics according to claim 1 is characterized in that: described preheating is waved on the kiln wall of Jiao Qu (2) and high temperature firing zone (4) and all is provided with flame-observing hole (13).
4. a kind of roller kilns that are fit to burn till fast foamed ceramics according to claim 1, it is characterized in that: described preheating is waved Jiao Qu (2) by kiln frame (21), at the bottom of the kiln (22), kiln wall (23) He Yaoding (24) forms, (22) have built light heat insulating brick (25) by laying bricks or stones at the bottom of the described kiln, described kiln wall (23) is from the inside to the outside by light heat insulating brick (25), ceramic fiber blanket (26) and ceramic beaverboard (27) are formed, on described kiln wall (23) is divided into by ceramic rod (12), following kiln wall, on, establish perforated brick (28) between the following kiln wall, filling ceramic fibre loose wool (29) between hole brick (28) and the kiln frame (21) seals, described kiln top (24) is from the inside to the outside by cordierite I-shaped brick (30), cordierite refractory plate (31), ceramic fiber blanket (26) and ceramic fibre loose wool (29) are formed, and described cordierite I-shaped brick (30) is fixed on the I-shaped brick hanger (301).
5. a kind of roller kilns that are fit to burn till fast foamed ceramics according to claim 1, it is characterized in that: described high temperature firing zone (4) is by kiln frame (21), at the bottom of the kiln (22), kiln wall (23) He Yaoding (24) forms, (22) are made up of light heat insulating brick (25) and the checker brick (41) that are filled with ceramic fiber blanket (26) and ceramic fibre loose wool (29) inside at the bottom of the described kiln, described kiln wall (23) is from the inside to the outside by light heat insulating brick (25), ceramic fiber blanket (26) and ceramic beaverboard (27) are formed, on described kiln wall (23) is divided into by ceramic rod (12), following kiln wall, on, establish perforated brick (28) between the following kiln wall, filling ceramic fibre loose wool (29) between hole brick (28) and the kiln frame (21) seals, described kiln top (24) is made up of mullite suspended roof brick (42) and ceramic fiber blanket (26), and described mullite suspended roof brick (42) is held by suspension hook (43) and is hung on the furred ceiling beam (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242498U CN201992976U (en) | 2011-01-22 | 2011-01-22 | Roller kiln suitable for rapidly firing foamed ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242498U CN201992976U (en) | 2011-01-22 | 2011-01-22 | Roller kiln suitable for rapidly firing foamed ceramics |
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| Publication Number | Publication Date |
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| CN201992976U true CN201992976U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200242498U Expired - Fee Related CN201992976U (en) | 2011-01-22 | 2011-01-22 | Roller kiln suitable for rapidly firing foamed ceramics |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090676A (en) * | 2013-01-10 | 2013-05-08 | 连云港金蔷薇化工有限公司 | Coal pit body |
| CN107246794A (en) * | 2017-07-18 | 2017-10-13 | 西安瑞泰建材科技有限公司 | Assembled tunnel cave |
| 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 |
| CN108917388A (en) * | 2018-10-22 | 2018-11-30 | 广东金意陶陶瓷集团有限公司 | It is a kind of for producing the roller kilns of foamed ceramic articles |
| CN109186259A (en) * | 2018-09-17 | 2019-01-11 | 李亿明 | A kind of ceramic packing sintering kiln |
| CN110487073A (en) * | 2019-08-28 | 2019-11-22 | 佛山市德力泰科技有限公司 | A kind of energy-saving non-inductive windings double-layer roller hearth furnace |
-
2011
- 2011-01-22 CN CN2011200242498U patent/CN201992976U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090676A (en) * | 2013-01-10 | 2013-05-08 | 连云港金蔷薇化工有限公司 | Coal pit body |
| CN103090676B (en) * | 2013-01-10 | 2015-11-25 | 连云港金蔷薇化工有限公司 | A kind of coal pit body |
| CN107246794A (en) * | 2017-07-18 | 2017-10-13 | 西安瑞泰建材科技有限公司 | Assembled tunnel cave |
| CN107246794B (en) * | 2017-07-18 | 2023-06-09 | 西安瑞泰机械设备制造有限公司 | Assembled tunnel cave |
| 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 |
| CN109186259A (en) * | 2018-09-17 | 2019-01-11 | 李亿明 | A kind of ceramic packing sintering kiln |
| CN108917388A (en) * | 2018-10-22 | 2018-11-30 | 广东金意陶陶瓷集团有限公司 | It is a kind of for producing the roller kilns of foamed ceramic articles |
| CN108917388B (en) * | 2018-10-22 | 2019-02-05 | 广东金意陶陶瓷集团有限公司 | It is a kind of for producing the roller kilns of foamed ceramic articles |
| CN110487073A (en) * | 2019-08-28 | 2019-11-22 | 佛山市德力泰科技有限公司 | A kind of energy-saving non-inductive windings double-layer roller hearth furnace |
| CN110487073B (en) * | 2019-08-28 | 2024-05-28 | 佛山市德力泰科技有限公司 | Energy-saving partition-free double-layer roller kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan sainuo Ceramics Co. Ltd Assignor: Qin Shixian Contract record no.: 2012440000648 Denomination of utility model: Roller kiln suitable for rapidly firing foamed ceramics Granted publication date: 20110928 License type: Exclusive License Record date: 20121206 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20150122 |
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| EXPY | Termination of patent right or utility model |