CN109458852A - Energy saving and environment friendly ceramics gas burns roller kilns - Google Patents
Energy saving and environment friendly ceramics gas burns roller kilns Download PDFInfo
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- CN109458852A CN109458852A CN201811367268.3A CN201811367268A CN109458852A CN 109458852 A CN109458852 A CN 109458852A CN 201811367268 A CN201811367268 A CN 201811367268A CN 109458852 A CN109458852 A CN 109458852A
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- roller kilns
- ceramic gas
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/0053—Burner fed with preheated gases
- F27D2099/0056—Oxidant
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention belongs to architectural pottery production field, specifically a kind of energy saving and environment friendly ceramic gas burns roller kilns.Roller kilns kiln body, burner, combustion air branch pipe, rollgang, variable-frequency motor, shaft coupling, blower, ground support, cold wind heat-exchanger rig are burnt including ceramic gas.The present invention solves gas and burns the height of energy consumption existing for roller kilns, and polluted gas discharge is more, and production efficiency is not high, low output, and because the release of its high heat is excessive, increases workshop environment temperature, influence the technical problems such as employee working environment.The configuration of the present invention is simple, it is easy to make, it can either guarantee that ceramic gas burns the firing quality of roller kilns ceramic product, realize and save emission reduction；Production efficiency can be improved again, increase yield；The service life of blower can also be extended；Workshop environment temperature is reduced, employee working environment is improved.
Description
Technical field
The invention belongs to architectural pottery production field, specifically a kind of energy saving and environment friendly ceramic gas burns roller kilns.
Background technique
In recent years, architectural pottery industry was increasingly stringenter in national requirements for environmental protection, and raw material supply is nervous, the electricity charge, combustion
Gas appreciates, and product cost is higher and higher, and enterprise profit is further compressed, the severe situation that product competitiveness in the market constantly declines
Under, for enterprise's existence and development, production cost is reduced, energy-saving transformation is imperative.
In architectural pottery production technology, it is that gas burns roller kilns to realize that the firing of Wall or floor tile, which is all made of,.Gas burns roller-way
Kiln is one of Production of Ceramics enterprise electrical energy and the biggish main equipment of gas consumption, and so that gas is burnt roller kilns can either guarantee to make pottery
The firing quality of porcelain products improves production efficiency, increases yield, and can save combustion gas energy consumption, reduces SO2, the dirts such as nitrogen oxides
Gas discharge is contaminated, workshop environment temperature can be also reduced, improves employee working environment, it has also become Ceramics Enterprises innovation
Important topic.In recent years, it is always original power-saving kiln in continuously improving that roller kiln combustion air heating was burnt to gas by enterprise in the industry
Furnace, also there are many form, has to the heating of combustion air and installs heat-exchange apparatus additional in the gentle cold-zone intersection in chilling area rear portion, have
Using slow cool section hot wind inside kiln do heating combustion air (gas burns roller kilns and is divided into from kiln hood to kiln tail: dryer section, preheating
7 sections such as area, zoneofoxidation, firing zone, chilling area, slow cooling area, strong cooling section), but all there is certain drawbacks.Some is because setting
It sets undue influence kiln temperature lowering curve and product wind crack occurs；Some oxygen-supplying amounts are insufficient, influence fuel gas buring；Some enterprises are right to helping
Blower heat air delivery, blower operate be easy to appear failure under the high temperature conditions, reduce the service life of blower；There are also Some Enterprises
Because the material of air hose is arranged, roller kilns original being burnt with gas and uses material physical property inconsistent, air hose and gas is caused to burn roller kilns knot
The problems such as structure Fracture Deformation, occurs.
In short, up to now, gas burns roller kilns and still has energy consumption height, SO2, the polluted gas discharge such as nitrogen oxides it is more, give birth to
Inefficient, low output is produced, and because the release of its high heat is excessive, increases workshop environment temperature, influences employee working environment
Etc. technical problems.
Summary of the invention
The height of energy consumption existing for roller kilns is burnt in order to solve above-mentioned gas, polluted gas discharge is more, and production efficiency is not high, yield
It is low, and because the release of its high heat is excessive, increase workshop environment temperature, influences the technical problems such as employee working environment, this hair
It is bright to provide a kind of energy saving and environment friendly ceramic gas burning roller kilns.
The present invention adopts the following technical scheme:
A kind of energy saving and environment friendly ceramic gas burning roller kilns, including ceramic gas burning roller kilns kiln body, burner, combustion air branch pipe,
Rollgang, variable-frequency motor, shaft coupling, blower, ground support, cold wind heat-exchanger rig.
The cold wind heat-exchanger rig includes: cold wind section air hose, draught distributing box, hot wind section air hose, air hose elastic connection section, collection wind
Case, hot wind efferent duct.
The variable-frequency motor is connected with the blower by the shaft coupling, is maked somebody a mere figurehead setting in the ceramic gas and is burnt roller kilns
At the top of the kiln tail of kiln body on the ground support.Since the blower setting is external in the ceramic gas burning roller kiln, described
The air that air inlet enters is air at room temperature, and will not generate high temperature to blower influences, and is conducive to the normal operation of blower, prolongs
The service life of long blower.
The hot wind section air hose cross section is rectangular, in which: width 50cm is highly 40cm；The hot wind section air hose
It is 3, every root long degree is 24 meters, is arranged respectively from the kiln tail end that the ceramic gas burns roller kilns kiln body towards kiln hood direction, kiln
Tail end is air inlet, is air outlet towards kiln hood direction, and 3 hot wind section air hoses burn wide in roller kiln body in the ceramic gas
Degree range is uniformly distributed, and 3 hot winds section air hose top surface is burnt at the top of roller kilns kiln body respectively with the gas to be connect, and described 3
It keeps at a distance respectively with plane on the Wall or floor tile that is conveyed on the rollgang as 15cm hot wind section air hose bottom surface；
The draught distributing box is the hollow cylinder bodily form, and the kiln tail side top top that the ceramic gas burns roller kilns kiln body is arranged in,
The draught distributing box upper side center is provided with a round air inlet, and downside, which is uniformly distributed, is provided with 3 rectangular air outlets；Institute
State the air inlets of the 3 hot wind section air hoses fixed airtight connection of 3 air outlets corresponding with the draught distributing box respectively, the draught distributing box
The fixed airtight connection of air inlet and described cold wind section air hose one end, the cold wind section air hose other end and the fan outlet are solid
Determine airtight connection；
The air collecting box is the hollow cylinder bodily form, and setting burns roller kilns kiln body top top, the collection wind in the ceramic gas
Roller kilns kiln body central horizontal is burnt at a distance of 24-25 meters along the ceramic gas on the left of the draught distributing box on the right side of case, the air collecting box
Downside, which is uniformly distributed, is provided with 3 rectangular air inlets, the round air outlet of upper side center setting one；3 hot winds
3 air inlets corresponding with the air collecting box fix airtight connection, the air collecting box air outlet and institute to Duan Fengguan air outlet respectively
State the fixed airtight connection in hot wind efferent duct one end, the hot wind efferent duct other end and the fixed closed company of the combustion air branch pipe
It connects.
Another step, 3 hot winds section air hose are all made of heat-resistance stainless steel material and are made, wherein burning roller away from the ceramic gas
The kiln hood direction section of road kiln kiln body is 15 meters long to use 304 stainless steels, burns that roller kilns kiln body end segment is 9 meters long to adopt away from the ceramic gas
With 201 stainless steels.
Another step, the every hot wind section air hose are divided between 4 sections, every two sections that there are air hoses described in 5cm expansion joint setting
Elastic connection section, the air hose elastic connection section uses heat-resisting soft material, by the adjacent two sections closed elasticity of hot wind section air hose
Connection.
Another step, the preferred asbestos cloth of heat-resisting soft material that the air hose elastic connection section uses.
From the above mentioned, the every hot wind section air hose is divided into 4 sections, and there are expansion joints between every two sections, and institute is arranged
Air hose elastic connection section is stated, using heat-resisting soft material by two sections of closed elastic connections of hot wind section air hose, is conducive to give anti-each
The used heat-resistance stainless steel material of section is different, or different from material therefor at the top of the ceramic gas burning roller kilns, causes described cold
Wind heat-exchanger rig, because deforming damage caused by material therefor coefficient of thermal expansion and contraction difference.
The outer surface of another step, the air collecting box and the hot wind efferent duct and the ceramic gas burn roller kilns kiln body top
Portion and the combustion air branch tube outer surface all use pearlite insulation, to prevent thermal loss.
Substantial improvements of the invention are to burn the heating combustion air system that roller kilns have been arranged inside and outside a sealing in ceramic gas
Bulk cargo is set, and gas, which is burnt heat extra in roller kilns, realizes effective and reasonable utilization.When the present invention is run, the change is first turned on
Frequency motor drives the blower to operate, and air at room temperature, that is, cold wind enters blower in workshop, delivers into cold wind by fan outlet
In heat-exchanger rig, when cold wind is by the cold wind heat-exchanger rig, absorption gas burns waste heat in roller kilns, through institute after wind-warm syndrome raising
Air collecting box and the hot wind efferent duct are stated, the gas is delivered to and burns roller kiln combustion air branch pipe, make to bring about the desired sensation and burn roller kilns by original
Cold wind it is combustion-supporting heating become hot wind for combustion supporting heating.
The invention has the following beneficial effects:
1, the configuration of the present invention is simple, it is easy to make, it can either guarantee that ceramic gas burns the firing quality of roller kilns ceramic product,
And product quality increases；Combustion gas energy consumption can be saved again, reduce SO2, the polluted gas discharge such as nitrogen oxides；
2, cooling velocity of the present invention due to accelerating ceramic wall and floor bricks firing product, can be improved production efficiency, increases yield；
3, effectively roller kilns after-heat has been absorbed and utilized in the present invention, can reduce workshop environment temperature, improves employee
Working environment；
4, of the invention since blower is to operate under normal temperature conditions, the service life of blower can also be extended.
5, after the present invention is implemented, due to reducing high fever temperature in workshop, it can also remove former blower cooling installation, both save
About electric energy can also reduce production cost.
Detailed description of the invention
Fig. 1 is that ceramic gas burns the positive elevational schematic view of roller kilns；
Fig. 2 is that ceramic gas burns roller kilns floor map；
Fig. 3 is A-A schematic cross-sectional view in Fig. 1.
In figure: 1- ceramics gas burning roller kilns kiln body, 2- burner, 3- combustion air branch pipe, 4- rollgang, 5- variable-frequency motor,
6- shaft coupling, 7- blower, 8- ground support, 9- cold wind heat-exchanger rig；
Wherein: in 9- cold wind heat-exchanger rig, 9-1 cold wind section air hose, 9-2 draught distributing box, 9-3 hot wind section air hose, 9-4 air hose bullet
Property linkage section, 9-5 air collecting box, 9-6 hot wind efferent duct.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of energy saving and environment friendly ceramic gas burns roller kilns, including ceramic gas burns roller kilns kiln body
(1), burner (2), combustion air branch pipe (3), rollgang (4), variable-frequency motor (5), shaft coupling (6), blower (7), ground support
(8), cold wind heat-exchanger rig (9)；
The cold wind heat-exchanger rig (9) includes: cold wind section air hose (9-1), draught distributing box (9-2), hot wind section air hose (9-3),
Air hose elastic connection section (9-4), air collecting box (9-5), hot wind efferent duct (9-6)；
The variable-frequency motor (5) and the blower (7) are connected by the shaft coupling (6), are maked somebody a mere figurehead and are arranged in the ceramics
Gas is burnt at the top of the kiln tail of roller kilns kiln body (1) on the ground support (8)；Since blower (7) setting is in the ceramic gas
Burn roller kilns kiln body (1) outside, the air that blower (7) air inlet enters is air at room temperature, will not generate high temperature to blower (7)
It influences, is conducive to the normal operation of blower (7), extend the service life of blower (7).
The hot wind section air hose cross section (9-3) is rectangular, in which: width 50cm is highly 40cm；The hot wind section
Air hose (9-3) is 3, and every root long degree is 24 meters, burns the kiln tail end of roller kilns kiln body (1) from the ceramic gas respectively towards kiln hood
Direction setting, kiln tail end are air inlet, are air outlet towards kiln hood direction, 3 hot wind sections air hose (9-3) is in the ceramic gas
It burns roller kilns kiln body (1) insied width range to be uniformly distributed, roller is burnt with the gas respectively in 3 hot wind sections air hose (9-3) top surface
Connection at the top of road kiln kiln body (1), 3 hot wind sections air hose (9-3) bottom surface respectively with the wall that is conveyed on the rollgang (4)
Plane is kept at a distance as 15cm on floor tile；
The draught distributing box (9-2) is the hollow cylinder bodily form, is arranged and burns the kiln tail side of roller kilns kiln body (1) in the ceramic gas
Top is pushed up, draught distributing box (9-2) the upper side center is provided with a round air inlet, and downside, which is uniformly distributed, is provided with 3
Rectangular air outlet；The air inlet of 3 hot wind sections air hose (9-3) 3 air outlets corresponding with the draught distributing box (9-2) respectively
Fixed airtight connection, the fixed airtight connection of draught distributing box (9-2) air inlet and cold wind section air hose one end (9-1) are described
Cold wind section air hose (9-1) other end and the fixed airtight connection of the blower (7) air outlet；
The air collecting box (9-5) is the hollow cylinder bodily form, and setting burns roller kilns kiln body (1) in the ceramic gas and pushes up top,
The right outside of the air collecting box (9-5) and the draught distributing box (9-2) the left-external side edema with the heart involved along ceramic gas burning roller kilns kiln body (1)
Flat at a distance of 24-25 meters, air collecting box (9-5) downside, which is uniformly distributed, is provided with 3 rectangular air inlets, and upper side center is set
Set a round air outlet；3 hot wind sections air hose (9-3) air outlet respectively 3 corresponding with the air collecting box (9-5) into
Airtight connection is fixed in air port, and airtight connection is fixed in air collecting box (9-5) air outlet and described hot wind efferent duct one end (9-6),
Hot wind efferent duct (9-6) other end and the fixed airtight connection of the combustion air branch pipe (3).
Another step, 3 hot wind sections air hose (9-3) is all made of heat-resistance stainless steel material and is made, wherein away from the ceramics
Gas burning roller kilns kiln body (1) kiln hood direction section is 15 meters long to use 304 stainless steels, burns roller kilns kiln body (1) tail away from the ceramic gas
It is 9 meters of section long to use 201 stainless steels.
Another step, the every hot wind section air hose (9-3) are divided between 4 sections, every two sections that there are described in 5cm expansion joint setting
Air hose elastic connection section (9-4), the air hose elastic connection section (9-4) uses heat-resisting soft material, by adjacent two sections of hot winds
Duan Fengguan (9-3) closed elastic connection.
Another step, the preferred asbestos cloth of heat-resisting soft material that the air hose elastic connection section (9-4) uses.
From the above mentioned, the every hot wind section air hose (9-3) is divided into 4 sections, and there are expansion joints between every two sections, if
The air hose elastic connection section (9-4) is set, is connected two sections of closed elasticity of hot wind section air hose (9-3) using heat-resisting soft material
It connects, is conducive to give and prevents that each section of used heat-resistance stainless steel material is different, or burn institute at the top of roller kilns kiln body (1) with the ceramic gas
With material difference, the cold wind heat-exchanger rig (9) is caused, because deforming damage caused by material therefor coefficient of thermal expansion and contraction difference.
The outer surface of another step, the air collecting box (9-5) and the hot wind efferent duct (9-6) and the ceramic gas burn roller
At the top of road kiln kiln body (1) and combustion air branch pipe (3) outer surface all uses pearlite insulation, to prevent thermal loss.
When the present invention is run, the variable-frequency motor (5) are first turned on, the blower (7) is driven to operate, room temperature is empty in workshop
Gas, that is, cold wind enters blower (7), is delivered into cold wind heat-exchanger rig (9) by blower (7) air outlet, when cold wind pass through it is described cold
Wind heat-exchanger rig (9) absorbs gas and burns roller kilns kiln body (1) interior waste heat, through the air collecting box (9-5) and institute after wind-warm syndrome raising
Hot wind efferent duct (9-6) is stated, the gas is delivered to and burns roller kiln combustion air branch pipe (3), makes to bring about the desired sensation and burns roller kilns by original cold
The combustion-supporting heating of wind becomes hot wind for combustion supporting heating.
Embodiment
The present invention burns roller kilns heating combustion-supporting wind system heat in this enterprise implement nearly 1 year, new improved ceramic gas
Wind can fully ensure that the oxygen-supplying amount of combustion gas, not have an impact to kiln calcining system not only, product quality compared with the past
Also improve 1-3%；And the hot wind section air hose is formed by more combustion air is enable to reach ideal temperature, ceramic tile temperature
Also it can reduce in advance, yield 5% can be increased.On the other hand, temperature-dropping fan cooling need to be set originally at kiln tail, after which implements
Temperature-dropping fan is pre- to estimate that one-year age save 400,000 m of kiln gas consumption without unlatching at kiln tail3, using electricity wisely 200,000
Degree.Reduce SO22500m is discharged with nitrogen oxides pollution gas3, reduce CO2400,000 m of greenhouse gas emission3.Simultaneously as being sent into
The wind of bellows is the air under normal room temperature, and blower is to operate under normal temperature conditions, can also extend the service life of blower.
Claims (5)
1. a kind of energy saving and environment friendly ceramic gas burns roller kilns, including ceramic gas burns roller kilns kiln body (1), burner (2), combustion air branch
It manages (3), rollgang (4), it is characterised in that: it further include variable-frequency motor (5), shaft coupling (6), blower (7), ground support (8),
Cold wind heat-exchanger rig (9)；
The cold wind heat-exchanger rig (9) includes: cold wind section air hose (9-1), draught distributing box (9-2), hot wind section air hose (9-3), air hose
Elastic connection section (9-4), air collecting box (9-5), hot wind efferent duct (9-6)；
The variable-frequency motor (5) and the blower (7) are connected by the shaft coupling (6), are maked somebody a mere figurehead setting and are burnt in the ceramic gas
At the top of the kiln tail of roller kilns kiln body (1) on the ground support (8)；
The hot wind section air hose cross section (9-3) is rectangular, in which: width 50cm is highly 40cm；The hot wind section air hose
(9-3) is 3, and every root long degree is 24 meters, burns the kiln tail end of roller kilns kiln body (1) from the ceramic gas respectively towards kiln hood direction
Setting, kiln tail end are air inlet, are air outlet towards kiln hood direction, and 3 hot wind sections air hose (9-3) burns roller in the ceramic gas
Road kiln kiln body (1) insied width range is uniformly distributed, and roller kilns are burnt with the gas respectively in 3 hot wind sections air hose (9-3) top surface
Connection at the top of kiln body (1), 3 hot wind sections air hose (9-3) bottom surface respectively with the Wall or floor tile that is conveyed on the rollgang (4)
Upper plane is kept at a distance as 15cm；
The draught distributing box (9-2) is the hollow cylinder bodily form, is arranged on the kiln tail side top that the ceramic gas burns roller kilns kiln body (1)
Portion, draught distributing box (9-2) upper side center are provided with a round air inlet, downside be uniformly distributed be provided with 3 it is rectangular
Air outlet；The air inlet of 3 hot wind sections air hose (9-3) respectively fix by 3 air outlets corresponding with the draught distributing box (9-2)
The fixed airtight connection in airtight connection, draught distributing box (9-2) air inlet and cold wind section air hose one end (9-1), the cold wind
Duan Fengguan (9-1) other end and the fixed airtight connection of the blower (7) air outlet；
The air collecting box (9-5) is the hollow cylinder bodily form, and setting burns roller kilns kiln body (1) in the ceramic gas and pushes up top, described
Roller kilns kiln body (1) central horizontal phase is burnt along the ceramic gas with the draught distributing box (9-2) left-external side in the right outside air collecting box (9-5)
Away from 24-25 meters, air collecting box (9-5) downside, which is uniformly distributed, is provided with 3 rectangular air inlets, upper side center setting one
A circle air outlet；3 hot wind sections air hose (9-3) air outlet, 3 air inlets corresponding with the air collecting box (9-5) respectively
Fixed airtight connection, the fixed airtight connection of air collecting box (9-5) air outlet and described hot wind efferent duct one end (9-6) are described
Hot wind efferent duct (9-6) other end and the fixed airtight connection of the combustion air branch pipe (3).
2. energy saving and environment friendly ceramic gas according to claim 1 burns roller kilns, it is characterised in that: 3 hot winds section wind
Pipe (9-3) is all made of heat-resistance stainless steel material and is made, wherein burning 15 meters of roller kilns kiln body (1) kiln hood direction section away from the ceramic gas
It is long to use 304 stainless steels, it is 9 meters of end segment long using 201 stainless steels that roller kilns kiln body (1) is burnt away from the ceramic gas.
3. energy saving and environment friendly ceramic gas according to claim 1 or 2 burns roller kilns, it is characterised in that: the every hot wind
Duan Fengguan (9-3) is divided between 4 sections, every two sections that there are air hose elastic connection section (9-4), the wind described in 5cm expansion joint setting
Tubular elastic linkage section (9-4) uses heat-resisting soft material, by the adjacent two sections closed elastic connections of the hot wind section air hose (9-3).
4. energy saving and environment friendly ceramic gas according to claim 3 burns roller kilns, it is characterised in that: the air hose elastic connection
The preferred asbestos cloth of heat-resisting soft material that section (9-4) uses.
5. energy saving and environment friendly ceramic gas according to claim 1 burns roller kilns, it is characterised in that: the air collecting box (9-5)
Roller kilns kiln body (1) top and the combustion air branch are burnt with the outer surface of the hot wind efferent duct (9-6) and the ceramic gas
Pipe (3) outer surface all uses pearlite insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367268.3A CN109458852A (en) | 2018-11-16 | 2018-11-16 | Energy saving and environment friendly ceramics gas burns roller kilns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367268.3A CN109458852A (en) | 2018-11-16 | 2018-11-16 | Energy saving and environment friendly ceramics gas burns roller kilns |
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| Publication Number | Publication Date |
|---|---|
| CN109458852A true CN109458852A (en) | 2019-03-12 |
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ID=65610777
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|---|---|---|---|
| CN201811367268.3A Withdrawn CN109458852A (en) | 2018-11-16 | 2018-11-16 | Energy saving and environment friendly ceramics gas burns roller kilns |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986578A (en) * | 2019-12-21 | 2020-04-10 | 深圳东忠窑炉有限公司 | Energy-saving roller kiln |
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| CN203605705U (en) * | 2013-11-25 | 2014-05-21 | 黄冈市华泰窖炉工业有限公司 | Double-layer hollow arch heating combustion air structure |
| CN204574837U (en) * | 2015-04-14 | 2015-08-19 | 福建省晋江万利瓷业有限公司 | Roller kilns waste heat combustion air heating apparatus |
| CN209214383U (en) * | 2018-11-16 | 2019-08-06 | 阳城县天一陶瓷有限公司 | Energy saving and environment friendly ceramics gas burns roller kilns |
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| CN110986578A (en) * | 2019-12-21 | 2020-04-10 | 深圳东忠窑炉有限公司 | Energy-saving roller kiln |
| CN110986578B (en) * | 2019-12-21 | 2021-06-08 | 深圳东忠窑炉有限公司 | Energy-saving roller kiln |
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