CN204022484U - A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide - Google Patents
A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide Download PDFInfo
- Publication number
- CN204022484U CN204022484U CN201420293491.9U CN201420293491U CN204022484U CN 204022484 U CN204022484 U CN 204022484U CN 201420293491 U CN201420293491 U CN 201420293491U CN 204022484 U CN204022484 U CN 204022484U
- Authority
- CN
- China
- Prior art keywords
- aluminum oxide
- dust collector
- communicated
- tornado dust
- parallel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to technical field of alumina production, disclose a kind of aluminum oxide gaseous state suspending calcining stove and fire the equipment of ɑ aluminum oxide, this equipment is communicated with feeding system by aluminum oxide drying system containing the input terminus of dust gas filtration system, and the output terminal that contains dust gas filtration system is connected with one end that valve K04, valve K05 are communicated with; The other end of described valve K04 is communicated with stoving oven P04; The other end of valve K05 is communicated with stoving oven P04 by combined burning station; Stoving oven P04 is communicated with insulation remaining tank L03 by tornado dust collector P03; Insulation remaining tank L03 is by water cooler, fluidized-bed B01 are connected with high temperature alumina storage tank D12 step by step.The utility model can meet the switching of high temperature alumina and aluminum oxide and produce, be highly suitable for transformation newly-built or to existing stoving oven, utilization ratio and the market competitiveness of equipment have been improved,, more environmental protection more superior than traditional rotary kiln baking high temperature alumina in energy-saving and emission-reduction.
Description
Technical field
The utility model relates to technical field of alumina production, relates in particular to the equipment that a kind of aluminum oxide gaseous state suspending calcining stove is fired ɑ aluminum oxide.Be applicable to the technological transformation of aluminum oxide gaseous state suspending calcining stove or newly-built, become the equipment that not only can fire metallurgical-grade aluminum oxide but also can fire ɑ aluminum oxide.
Background technology
At present, the product that existing aluminum oxide gaseous state suspending calcining stove is fired is single, is generally to fire metallurgical-grade aluminum oxide, only has 10% ɑ aluminum oxide in product.Because the separation efficiency that the source of ɑ aluminum oxide is mainly the one-level cooling cyclone of stoving oven only has 90% left and right, have 10% aluminum oxide with separated hot blast through high-temperature zone, stoving oven burning station, and change into ɑ aluminum oxide, need transformation or newly-built existing stoving oven for this reason, become and can fire aluminum oxide and can fire the equipment of ɑ aluminum oxide again.
Summary of the invention
In order to overcome the deficiency in background technology, the utility model provides a kind of aluminum oxide gaseous state suspending calcining stove to fire the equipment of ɑ aluminum oxide.
In order to realize foregoing invention object, the utility model adopts technical scheme as follows:
A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide, comprise: feeding system, aluminum oxide drying system, containing dust gas filtration system, combined burning station, stoving oven P04, tornado dust collector P03, insulation remaining tank L03, water cooler step by step, the described input terminus containing dust gas filtration system is communicated with feeding system by aluminum oxide drying system, and the output terminal that contains dust gas filtration system is connected with one end that valve K04, valve K05 are communicated with; The other end of described valve K04 is communicated with stoving oven P04; The other end of valve K05 is communicated with stoving oven P04 by combined burning station; Stoving oven P04 is communicated with insulation remaining tank L03 by tornado dust collector P03; Insulation remaining tank L03 is by water cooler, fluidized-bed B01 are connected with high temperature alumina storage tank D12 step by step;
Wherein, containing dust gas filtration system, by one-level tornado dust collector in parallel, second cyclone dust extractor, flue, electric precipitator, formed; The input terminus of one-level tornado dust collector in parallel is communicated with feeding system by aluminum oxide drying system, the output terminal air-flow output channel of one-level tornado dust collector in parallel is communicated with electric precipitator P11 by flue, and the output terminal blanking pipe of one-level tornado dust collector in parallel is connected with one end that valve K04, valve K05 are communicated with by second cyclone dust extractor P02 output terminal;
Wherein, the transformation of crystal device that insulation remaining tank L03 is high temperature alumina forms with the burner V01 in insulation remaining tank by being incubated remaining tank L03;
Wherein, water cooler is comprised of with the water cooler C02 connecting, water cooler C03, water cooler C04 water cooler C01, the water cooler C01' of one-level parallel connection step by step.
A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide, described one-level tornado dust collector in parallel are composed in parallel by tornado dust collector P01 and tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow input channel of tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow output channel of tornado dust collector P01', and tornado dust collector P01 is in parallel with the blanking pipe of tornado dust collector P01';
Aluminum oxide gaseous state suspending calcining stove is fired an equipment for ɑ aluminum oxide, and described combined burning station is comprised of Venturi A03, burner V02, burner V03, burner V04.
Aluminum oxide gaseous state suspending calcining stove is fired an equipment for ɑ aluminum oxide, and described feeding system is comprised of aluminium hydroxide storehouse L01, weighing belt F01, screw feeder A01.
Aluminum oxide gaseous state suspending calcining stove is fired an equipment for ɑ aluminum oxide, and described aluminum oxide drying system is comprised of Venturi A02.
Owing to adopting technical scheme as above, the utlity model has following superiority:
aluminum oxide gaseous state suspending calcining stove is fired an equipment for ɑ aluminum oxide, can be used in newly-built or to the transformation of existing stoving oven or separately subitem implement, its concrete superiority is as follows:
1,, in the production of metallurgical-grade aluminum oxide and high temperature alumina, the technical process of high temperature alumina has to metallurgical-grade aluminum oxide technical process and large similar going out.Transformation or newly-built stoving oven were as long as long as unlatching or shut-off valve K04 or valve K05 both can complete the switching of alumina high temperature aluminum oxide.As: open valve K05, shut-off valve K04 both can complete production high temperature alumina; Open valve K04, shut-off valve K05 both can complete production aluminum oxide.Improved the utilization ratio of equipment, for alumina producing enterprise provides new product.
2, compare with traditional high temperature alumina mode of production, can greatly reduce the production cost of product by gas suspension calcination stove production high temperature alumina, rotary kiln is fired the heat utilization efficiency less than 50% of aluminum oxide.And by the heat utilization efficiency of gas suspension calcination stove roasting oxidation aluminium more than 85%.Improve the competitiveness of product in market
3, utilize gas suspension calcination stove production high temperature alumina to compare with traditional way, more meet environmental requirement, more superior than traditional rotary kiln baking high temperature alumina in energy-saving and emission-reduction.
1) adopt the tornado dust collector P01 in parallel of the one-level containing dust gas filtration system, the P01 after improving ", the aluminium hydroxide being conducive to after drying is separated;
2) adopt the one-level water cooler C01 in parallel after improving, the cold filtration system that C01' forms, be conducive to the separation of aluminum oxide;
3) adopt the combined burning station after improving to be comprised of Venturi, burner V02, V03, V04, the burning station of original alumina roasting furnace is comprised of two groups of burners, and working temperature is 1100 ~ 1150C °.And the generation temperature of high temperature alumina will the temperature lower calcination of 1250 ~ 1350C ° and will the insulation at certain hour under generate high temperature alumina.
And the increase burner at burning of the present utility model station, and increased Venturi, the increase of Venturi is more conducive to aluminum oxide being uniformly dispersed in air-flow, the aluminum oxide of roasting is heated evenly, and blanking position is chosen in Venturi position, what be conducive to that material disperses in air-flow is more even, finely dispersed containing material pneumatic, through the high-temperature zone at burning station, enter roasting in stoving oven P04 body of heater.
4) adopt the transformation of crystal device of the high temperature alumina after improving, in insulation remaining tank L03, a burner V01 is installed, the above working temperature of centrum of insulation remaining tank L03 is 1150 ~ 1350C °, and centrum is provided with high temperature alumina refrigerating unit below, and working temperature is 700 ~ 1000C °.The generation temperature of high temperature alumina will the temperature lower calcination of 1250 ~ 1350C ° and will the insulation at certain hour under transformation of crystal generate high temperature alumina.And the utility model has the advantages that and increased insulation remaining tank, the high temperature alumina that makes roasting blowing out 25 ~ 50 minutes in insulation remaining tank, meet the formation condition of high temperature alumina, solved inadequate shortcoming of the stoving oven roasting high temperature alumina residence time simultaneously.
[accompanying drawing explanation]
Fig. 1 is the utility model high temperature alumina roaster system and process flow sheet;
Fig. 2 is the utility model high temperature alumina stoving oven combined burning station system diagram.
[embodiment]
Below in conjunction with legend, embodiment being described,
As shown in Figure 1, 2, a kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide, comprise: feeding system, aluminum oxide drying system, containing dust gas filtration system, combined burning station, stoving oven P04, tornado dust collector P03, insulation remaining tank L03, water cooler step by step, the described input terminus containing dust gas filtration system is communicated with feeding system by aluminum oxide drying system, and the output terminal that contains dust gas filtration system is connected with one end that valve K04, valve K05 are communicated with; The other end of described valve K04 is communicated with stoving oven P04; The other end of valve K05 is communicated with stoving oven P04 by combined burning station; Stoving oven P04 is communicated with insulation remaining tank L03 by tornado dust collector P03; Insulation remaining tank L03 is by water cooler, fluidized-bed B01 are connected with high temperature alumina storage tank D12 step by step;
Wherein, containing dust gas filtration system, by one-level tornado dust collector in parallel, second cyclone dust extractor, flue, electric precipitator, formed; The input terminus of one-level tornado dust collector in parallel is communicated with feeding system by aluminum oxide drying system, the output terminal air-flow output channel of one-level tornado dust collector in parallel is communicated with electric precipitator P11 by flue, and the output terminal blanking pipe of one-level tornado dust collector in parallel is connected with one end that valve K04, valve K05 are communicated with by second cyclone dust extractor P02 output terminal;
Wherein, the transformation of crystal device that insulation remaining tank L03 is high temperature alumina forms with the burner V01 in insulation remaining tank by being incubated remaining tank L03;
Wherein, water cooler is comprised of with the water cooler C02 connecting, water cooler C03, water cooler C04 water cooler C01, the water cooler C01' of one-level parallel connection step by step.
The one-level tornado dust collector in parallel that this aluminum oxide gaseous state suspending calcining stove is fired described in ɑ aluminum oxide equipment are composed in parallel by tornado dust collector P01 and tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow input channel of tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow output channel of tornado dust collector P01', and tornado dust collector P01 is in parallel with the blanking pipe of tornado dust collector P01';
The combined burning station that this aluminum oxide gaseous state suspending calcining stove is fired described in ɑ aluminum oxide equipment is comprised of Venturi A03, burner V02, burner V03, burner V04.
The feeding system that this aluminum oxide gaseous state suspending calcining stove is fired described in ɑ aluminum oxide equipment is comprised of aluminium hydroxide storehouse L01, weighing belt F01, screw feeder A01.Described aluminum oxide drying system is comprised of Venturi A02.
Aluminum oxide gaseous state suspending calcining stove is fired the method for ɑ aluminum oxide:
1) aluminium hydroxide enters Venturi A02 through aluminium hydroxide storehouse L01, weighing belt F01, screw feeder A01, and aluminium hydroxide is dried;
2) aluminium hydroxide after oven dry enters one-level tornado dust collector P01 in parallel, P01' separation with air-flow, and waste gas enters electric precipitator P11 through flue;
3) aluminium hydroxide of drying enters second cyclone dust extractor P02 and carries out preheating, through second cyclone dust extractor P02 preheating separated aluminium hydroxide, through tremie pipe, enters into bottom, combined burning station to K05;
4) combined burning station is comprised of Venturi A03, burner V02, V03, V04, the aluminium hydroxide that enters into combined burning station enters the calcining at burning station high-temperature zone 1250 ~ 1350C ° temperature that burner V02, V03, V04 form through Venturi A03, with hot gas flow, promotes and enters stoving oven P04 roasting through Venturi A04;
5) the material high temperature alumina generating after roasting, enters tornado dust collector P03 with hot gas flow, through the material of tornado dust collector P03 separation, enters insulation remaining tank L03, and the hot gas flow of the separated complete material of tornado dust collector P03 enters P02 and continues preheating aluminium hydroxide;
6) enter the high temperature alumina of insulation remaining tank L03, at this, stop insulation 25 ~ 50 minutes, in insulation remaining tank L03, a burner V01 is installed, for the transformation of crystal to high temperature alumina;
7) reach the high temperature alumina of the residence time and through tremie pipe, enter water cooler C01, the water cooler C01' of the one-level parallel connection of high temperature alumina stoving oven, through the water cooler C01 of one-level parallel connection,, the high temperature alumina of water cooler C01' separation enters water cooler C02, water cooler C03, water cooler C04 carries out step by step coolingly, last cooling material enters high temperature alumina storage tank D12 through fluidized-bed B01;
8) water cooler C01 in parallel, the hot gas flow after water cooler C01' separation of material enter combined burning station continuation roasting oxidation aluminium with air channel;
9) the valve k04, the valve k05 that on second cyclone dust extractor P02 tremie pipe, install switch, the roasting that can complete high temperature alumina and aluminum oxide is switched, when open valve k04 shut-off valve k05 is for roasting oxidation aluminium, when open valve k05 shut-off valve k04 is for roasting high temperature alumina.
The temperature that this aluminum oxide gaseous state suspending calcining stove is fired the insulation remaining tank L03 inner burner V01 calcining generation high temperature alumina described in ɑ aluminum oxide method is arranged on 1250 ~ 1350C °;
Wherein, the above working temperature of centrum of insulation remaining tank L03 is set to 1150 ~ 1350C °, and centrum is provided with high temperature alumina refrigerating unit below, and working temperature is set to 700 ~ 1000C °.
The utility model can be transformed existing alumina roasting furnace, specific as follows:
1, at the blanking position of aluminium hydroxide, increase the bottom at combined burning station, combined burning station is comprised of v02, v03, v04 burner;
2, in tornado dust collector P03 bottom, increase a L03 heat insulation tank, make the blowing out 25 ~ 50 minutes in heat insulation tank of high temperature alumina that roasting goes out, and burning station V01 is set in L03 heat insulation tank, be beneficial to the transformation of crystal of material;
3, at primary cyclone P01, the P01 of stoving oven " adopt configuration in parallel, the aluminium hydroxide being conducive to after drying is separated;
4, at one-level cooling cyclone C01, the C01 of stoving oven " adopt configuration in parallel, be conducive to the separation of aluminum oxide;
5, the roasting of high temperature alumina and aluminum oxide if switch P02 tremie pipe bottom valve k04, valve k05 can complete, open valve k04, shut-off valve k05 roasting oxidation aluminium; Open valve k05, shut-off valve k04 roasting high temperature alumina.
When improved alumina roasting furnace is used, the technical process of roasting ɑ aluminum oxide:
Aluminium hydroxide enters Venturi A02 through aluminium hydroxide storehouse L01, weighing belt F01, screw feeder A01, aluminium hydroxide is dried, it is separated that aluminium hydroxide after oven dry enters one-level tornado dust collector P01 in parallel, P01' with air-flow, and waste gas enters electric precipitator through flue.
The aluminium hydroxide of drying enters second cyclone dust extractor P02 and carries out preheating, through second cyclone dust extractor P02 preheating separated aluminium hydroxide, through tremie pipe, enters into bottom, combined burning station.Combined burning station is comprised of Venturi A03, burner V02, burner V03, burner V04.The aluminium hydroxide that enters into combined burning station promotes through high-temperature zone, burning station through hot gas flow, enters stoving oven P04.
Material after roasting, enters tornado dust collector P03 with hot gas flow, through the material of tornado dust collector P03 separation, enters insulation remaining tank L03, and the hot gas flow of the separated complete material of tornado dust collector P03 enters P02 and continues preheating aluminium hydroxide.The high temperature alumina that enters insulation remaining tank L03 stops insulation 25 ~ 50 minutes at this, in insulation remaining tank L03, a burner V01 is installed, and is conducive to the transformation of crystal of high temperature alumina.
The residence time meets the requirements of high temperature alumina and through tremie pipe, enters one-level water cooler C01 in parallel, the C01' of high temperature alumina stoving oven, through the high temperature alumina of one-level water cooler C01 in parallel, C01' separation, enter C02, C03, C04 water cooler and carry out step by step coolingly, last cooling material enters high temperature alumina storage tank D12 through fluidized-bed B01.Hot gas flow after water cooler C01 in parallel, C01' separation of material enters combined burning station with air channel and continues roasting oxidation aluminium.
The technical process of high temperature alumina has to metallurgical-grade aluminum oxide technical process and large similar going out.Transformation or newly-built stoving oven both can complete the switching of aluminum oxide and high temperature alumina as long as open or close K04, K05.
The utility model can be newly-built or to existing stoving oven transform or separately subitem implement.
Claims (5)
1. an aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide, comprise: feeding system, aluminum oxide drying system, it is characterized in that: also comprise containing dust gas filtration system, combined burning station, stoving oven P04, tornado dust collector P03, insulation remaining tank L03, water cooler step by step, the described input terminus containing dust gas filtration system is communicated with feeding system by aluminum oxide drying system, and the output terminal that contains dust gas filtration system is connected with one end that valve K04, valve K05 are communicated with; The other end of described valve K04 is communicated with stoving oven P04; The other end of valve K05 is communicated with stoving oven P04 by combined burning station; Stoving oven P04 is communicated with insulation remaining tank L03 by tornado dust collector P03; Insulation remaining tank L03 is by water cooler, fluidized-bed B01 are connected with high temperature alumina storage tank D12 step by step;
Wherein, containing dust gas filtration system, by one-level tornado dust collector in parallel, second cyclone dust extractor, flue, electric precipitator, formed; The input terminus of one-level tornado dust collector in parallel is communicated with feeding system by aluminum oxide drying system, the output terminal air-flow output channel of one-level tornado dust collector in parallel is communicated with electric precipitator P11 by flue, and the output terminal blanking pipe of one-level tornado dust collector in parallel is connected with one end that valve K04, valve K05 are communicated with by second cyclone dust extractor P02 output terminal;
Wherein, the transformation of crystal device that insulation remaining tank L03 is high temperature alumina forms with the burner V01 in insulation remaining tank by being incubated remaining tank L03;
Wherein, water cooler is comprised of with the water cooler C02 connecting, water cooler C03, water cooler C04 water cooler C01, the water cooler C01' of one-level parallel connection step by step.
2. a kind of aluminum oxide gaseous state suspending calcining stove according to claim 1 is fired the equipment of ɑ aluminum oxide, it is characterized in that: described one-level tornado dust collector in parallel are composed in parallel by tornado dust collector P01 and tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow input channel of tornado dust collector P01', tornado dust collector P01 is in parallel with the air-flow output channel of tornado dust collector P01', and tornado dust collector P01 is in parallel with the blanking pipe of tornado dust collector P01'.
3. a kind of aluminum oxide gaseous state suspending calcining stove according to claim 1 is fired the equipment of ɑ aluminum oxide, it is characterized in that: described combined burning station is comprised of Venturi A03, burner V02, burner V03, burner V04.
4. a kind of aluminum oxide gaseous state suspending calcining stove according to claim 1 is fired the equipment of ɑ aluminum oxide, it is characterized in that: described feeding system is comprised of aluminium hydroxide storehouse L01, weighing belt F01, screw feeder A01.
5. a kind of aluminum oxide gaseous state suspending calcining stove according to claim 1 is fired the equipment of ɑ aluminum oxide, it is characterized in that: described aluminum oxide drying system is comprised of Venturi A02.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293491.9U CN204022484U (en) | 2014-06-05 | 2014-06-05 | A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293491.9U CN204022484U (en) | 2014-06-05 | 2014-06-05 | A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204022484U true CN204022484U (en) | 2014-12-17 |
Family
ID=52062376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293491.9U Withdrawn - After Issue CN204022484U (en) | 2014-06-05 | 2014-06-05 | A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204022484U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058435A (en) * | 2014-06-05 | 2014-09-24 | 鞠复勇 | Equipment and method for calcining alpha aluminum oxide by using aluminum oxide gaseous suspension calciner |
| CN104134746A (en) * | 2014-08-08 | 2014-11-05 | 王林 | Semiconductor temperature difference sensing power generating chip and manufacturing method thereof |
| CN107739162A (en) * | 2017-12-01 | 2018-02-27 | 河南中蓝新材料科技有限公司 | A kind of roaster system using gaseous fuel suspension roasting powdery active lime |
| CN114459241A (en) * | 2022-01-13 | 2022-05-10 | 中铝山东新材料有限公司 | Aluminum oxide roasting equipment and method |
-
2014
- 2014-06-05 CN CN201420293491.9U patent/CN204022484U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058435A (en) * | 2014-06-05 | 2014-09-24 | 鞠复勇 | Equipment and method for calcining alpha aluminum oxide by using aluminum oxide gaseous suspension calciner |
| CN104058435B (en) * | 2014-06-05 | 2016-08-24 | 鞠复勇 | The Apparatus and method for of aluminium oxide fired by a kind of aluminum oxide gaseous state suspending calcining stove |
| CN104134746A (en) * | 2014-08-08 | 2014-11-05 | 王林 | Semiconductor temperature difference sensing power generating chip and manufacturing method thereof |
| CN104134746B (en) * | 2014-08-08 | 2017-08-22 | 王林 | A kind of semiconductor temperature difference sensing power-generating chip and preparation method thereof |
| CN107739162A (en) * | 2017-12-01 | 2018-02-27 | 河南中蓝新材料科技有限公司 | A kind of roaster system using gaseous fuel suspension roasting powdery active lime |
| CN114459241A (en) * | 2022-01-13 | 2022-05-10 | 中铝山东新材料有限公司 | Aluminum oxide roasting equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204022484U (en) | A kind of aluminum oxide gaseous state suspending calcining stove is fired the equipment of ɑ aluminum oxide | |
| CN104058435A (en) | Equipment and method for calcining alpha aluminum oxide by using aluminum oxide gaseous suspension calciner | |
| CN101598502B (en) | Waste heat recovery system of kiln | |
| CN103836788A (en) | Surrounding blowing-in integrated gas hot blast stove | |
| CN107445156A (en) | A kind of graphitizing furnace with quick cooling and function of recovering waste heat | |
| CN203858935U (en) | Novel hot air circulation baking oven | |
| CN201503219U (en) | Carbon product impregnating and preheating system | |
| CN201273691Y (en) | Tube-less air heater | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN209522592U (en) | A kind of energy-saving suspended roaster system of aluminium hydroxide | |
| CN210107993U (en) | High-efficient drying furnace | |
| CN203656965U (en) | Air preheating device of kiln | |
| CN202814129U (en) | Residual heat utilization system of nickel iron production line using rotary kiln-electric furnace process | |
| CN202442583U (en) | Manganese zinc ferrite sintering furnace | |
| CN204648668U (en) | A kind of glazed tiles processing hot-blast stove | |
| CN206847403U (en) | A kind of fast cooling vacuum electric furnace | |
| CN201463488U (en) | Coal-to-gas direct-fired dry gypsum board device | |
| CN201770495U (en) | Synchronous smelting and energy saving kiln of corundum | |
| CN205245751U (en) | Gardenia is drying system for extract product | |
| CN204730453U (en) | For mica slurrying provides the device of the energy | |
| CN108180761A (en) | A kind of carbon roasting furnace connects quirk | |
| CN211601404U (en) | Hot air supply device for dry sand feeder | |
| CN208458526U (en) | Novel heat exchange formula holding furnace | |
| CN201251368Y (en) | Recycling device for heat energy from furnace | |
| CN205825740U (en) | A kind of sanitary ceramics burning kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |