CN110397935A - Swirl-melting incinerator and its application method - Google Patents
Swirl-melting incinerator and its application method Download PDFInfo
- Publication number
- CN110397935A CN110397935A CN201810383219.2A CN201810383219A CN110397935A CN 110397935 A CN110397935 A CN 110397935A CN 201810383219 A CN201810383219 A CN 201810383219A CN 110397935 A CN110397935 A CN 110397935A
- Authority
- CN
- China
- Prior art keywords
- swirl
- water conservancy
- conservancy diversion
- furnace body
- melting incinerator
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/32—Incineration of waste; Incinerator constructions; Details, accessories or control therefor the waste being subjected to a whirling movement, e.g. cyclonic incinerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/30—Cyclonic combustion furnace
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention provides a kind of swirl-melting incinerator, including furnace body and fuel inlet, in which: the fuel inlet is tangentially-arranged on furnace body, being configured to be passed through reactive fuel；It is also provided with water conservancy diversion gas import on the furnace body, is set on the target area position that reactive fuel in furnace body is directly impacted.By setting water conservancy diversion gas import in the present invention, reinforce the response intensity of coke granule in oxygen-enriched air and high temperature coal gas containing solid.
Description
Technical field
The invention belongs to swirl-melting incinerator application fields, in particular to a kind of to reduce ultralow volatilization using the swirl-melting incinerator
The method of part carbon-based fuel and waste whirlwind slag tapping boiler refractory wear.
Background technique
High temperature smelting furnace is widely used in multiple fields, reacts in gasification of combustible material fine ash and the high-temperature fusion of lime-ash
In, the carbon and oxidant for the reactivity difference that gasification of combustible material fine ash and lime-ash can be made to contain are sufficiently anti-under the high temperature conditions
It answers, improves efficiency of carbon con version, and obtain slag water cooling and crystallize to form innoxious vitreum.
Burner hearth side arranged tangential burner in the prior art, swirl-melting incinerator make coal grain using high-speed rotating air stream
The throat less chamber of rotation and active combustion at high speed, the high speed rotation of air-flow, which is acted on, throws to barrel for coal grain, and coal grain is in cylinder
It burns in space near wall and barrel, forms the very high region of temperature, lime-ash is made to dissolve and be sticked on barrel.Air-flow with
There is very high relative velocity between the coal grain being adhered on liquid slag film, promotes fuel to mix well with air, therefore cyclone furnace
There is very high combustion intensity.
The main problem faced is: the coal gas of high temperature in burner containing coke granule tangentially enters cyclone furnace, due to temperature
Up to 1500 DEG C or more, air velocity is fast, and cyclone furnace intensity is high, leads to abrasion of the high-temperature particle to cyclone furnace target area refractory material
Seriously, using high chromite corundum sand, the service life of refractory material is greatly reduced, improves operating maintenance cost.Therefore, it drops
Low whirlwind slag tapping boiler refractory wear tool has very important significance.
The prior art provides a kind of abrasionproof cyclone separator, installs wear strip, abrasionproof in cyclone separator cylinder inner surface
Plate is evenly distributed on 30 °~270 ° regions of cylinder inboard wall face velocity Way in, forms one layer in cyclone separator inner wall surface
The abrasionproof performance of cyclone separator can be improved in the protection band of low speed in this way.But wear strip protrudes from cyclone separator inner wall table
Face is easy by the air-flow erosion damage of high temperature dust.
The prior art also provides a kind of abrasionproof cyclone separator, the installation of cyclone separator cylinder inner surface by transverse slat group and
Then the abrasionproof grid of vertical version group composition pours the refractory casting bed of material at least partly covering abrasionproof grid.This method increases
The abrasionproof performance of cyclone separator target area, but target area material is exposed among high speed gas-solid flow, there is no solve rotation
The root problem of wind class formation target area model.
Summary of the invention
(1) technical problems to be solved
In view of this, the purpose of the present invention is to provide a kind of swirl-melting incinerator, to mitigate arranged tangential burner whirlwind
The abrasion of refractory material in melting furnace.
(2) technical solution
According to an aspect of the present invention, a kind of swirl-melting incinerator, including furnace body and fuel inlet are provided, in which: the combustion
Material import is tangentially-arranged on furnace body, being configured to be passed through reactive fuel；It is also provided with water conservancy diversion gas import on the furnace body, is set to
On the target area position that reactive fuel is directly impacted in furnace body.
In further embodiment, the furnace body is cylindrical, and the fuel inlet is located at the same of furnace body with water conservancy diversion gas import
In one height.
In further embodiment, the furnace body is cylindrical, radian of the target area on furnace body section between 30 ° extremely
Between 45 °.
In further embodiment, the angle of the water conservancy diversion gas import and fuel inlet is between 45 ° to 90 °.
In further embodiment, the water conservancy diversion gas import be it is multiple, be distributed on the target area of furnace body.
It further include top exit and bottom slag discharge, the flue gas that swirl-melting incinerator burning generates in further embodiment
It is discharged from bottom slag discharge or top exit.
In further embodiment, the water conservancy diversion gas import is configured to the importing gas flow rate being passed through no more than 10m/s.
In further embodiment, the water conservancy diversion gas bag that the water conservancy diversion gas import is passed through includes air, oxygen-enriched air, pure oxygen or rotation
Flue gas after the discharge of wind melting furnace and purified.
According to another aspect of the present invention, also provide a kind of swirl-melting incinerator using any description above reduce it is super
The operating method of low-volatile carbon-based fuel, comprising:
Enter in fuel and is passed through the reactive fuel containing ultralow fugitive constituent carbon-based fuel；
It is passed through water conservancy diversion gas in water conservancy diversion gas import, to generate one layer of low speed air film in the tangential target location of swirl-melting incinerator, is protected
It does not wear shield target area.
The importing gas flow rate that the import of water conservancy diversion gas is passed through in further embodiment is not more than 10m/s；
And/or the water conservancy diversion gas being passed through be air, oxygen-enriched air, pure oxygen or swirl-melting incinerator discharge and it is purified after cigarette
Gas
(3) beneficial effect
The positive effect of the present invention is: the present invention is suitable for arranged tangential burner swirl-melting incinerator.Through the invention
Application method is in use, have the advantages that
(1) flow direction for changing swirl-melting incinerator fuel inlet high temperature coal gas containing solid, enters target area in high-temperature flue gas
Before rotate inward, reduce its to target area directly washing away；
(2) by setting water conservancy diversion gas import, reinforce oxygen-enriched air with coke granule in high temperature coal gas containing solid and react strong
Degree；
(3) by the gaseous mixture of the tail flue gas after water conservancy diversion gas import is using normal temperature air, pure oxygen and purification as gas source,
Increase melting furnace Flow Field Distribution, the regulating measure of Temperature Distribution.
Detailed description of the invention
Fig. 1 is the swirl-melting incinerator structure top cross sectional view of the embodiment of the present invention；
Fig. 2 is the top cross-sectional view and longitudal section schematic diagram of 1 swirl-melting incinerator of the embodiment of the present invention；
Fig. 3 is the top cross-sectional view and longitudal section schematic diagram of 2 swirl-melting incinerator of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.Hereinafter, it will thus provide some embodiments are with the reality that the present invention will be described in detail
Apply scheme.Advantages of the present invention and effect will through the invention following the description and it is more significant.Illustrate appended attached drawing letter herein
Changed and was used as illustrating.Component count, shape and size shown in the drawings can modify according to actual conditions, and group
The configuration of part is likely more complexity.Otherwise practice or application can also be carried out in the present invention, and are determined without departing from the present invention
Under conditions of the spirit and scope of justice, various change and adjustment can be carried out.
In the present invention, target area refers to the furnace wall region that fuel, oxidant directly impact, and enters positioned at cylinder inboard wall face velocity
Counterclockwise 90 °~180 ° of mouth, example is as shown in figure 1 in the region of α=0 °~α=90 °.
Basic conception according to the present invention provides a kind of swirl-melting incinerator, including furnace body and fuel inlet, in which: referring to
Shown in Fig. 1, fuel inlet is tangentially-arranged on furnace body, being configured to be passed through reactive fuel, oxidant；Water conservancy diversion is also provided on furnace body
Gas import is set on the target area that reactive fuel in furnace body is directly impacted.By adding the import of water conservancy diversion gas, it is molten that whirlwind can be changed
The flow direction for melting furnace fuel inlet high temperature coal gas containing solid rotates inward before high-temperature flue gas enters target area, reduces it to target
Area is directly washed away.
In some embodiments, furnace body is cylindrical (its circular in cross-section), wherein fuel inlet and the import of water conservancy diversion gas can
To be located on the sustained height of furnace body.Water conservancy diversion gas in this way can preferably change fuel and enter the intracorporal flow direction of furnace, improve rotation
Effect.
In some embodiments, target area is at counterclockwise 90 °~180 ° of cylinder inboard wall face velocity entrance, α=0 ° in Fig. 1
In the region of~α=90 °.The region is the region that refractory material is corroded most serious by high-temperature gas, and water conservancy diversion gas need to be arranged resistance to
Fiery material inner lining surface forms low speed air film and plays a protective role.
In some embodiments, the water conservancy diversion gas import and melting furnace radial direction angle between 45 ° to 135 ° (i.e. β=
45 °~β=135 °).By the way that the angle is arranged, the import direction of the water conservancy diversion gas can be determined.
In some embodiments, the water conservancy diversion gas import is multiple, is distributed on the target area of furnace body.By the way that multiple lead is arranged
Gas import can preferably adjust internal gas flow distribution, reduce and wash away and improve integral-rotation effect to target area.
In some embodiments, further include top exit and bottom slag discharge, the flue gas that swirl-melting incinerator burning generates from
Bottom slag discharge or top exit discharge.Wherein, it can be purified from the flue gas that top exit is discharged by cleaning equipment.
In some embodiments, the water conservancy diversion gas import is configured to the importing gas flow rate being passed through no more than 10m/s, flow velocity
The excessive rotational flow field that will affect in melting furnace.
In some embodiments, the water conservancy diversion gas bag that the water conservancy diversion gas import is passed through includes air, oxygen-enriched air (oxygen concentration
25%-95%), pure oxygen or swirl-melting incinerator discharge and it is purified after flue gas.By empty using room temperature in water conservancy diversion gas import
The gaseous mixture of tail flue gas increases the adjusting hand of melting furnace Flow Field Distribution, Temperature Distribution as gas source after gas, pure oxygen and purification
Section.
According to another aspect of an embodiment of the present invention, a kind of swirl-melting incinerator progress using any description above is also provided
Reduce the operating method of ultralow fugitive constituent carbon-based fuel, comprising:
Enter in fuel and is passed through the reactive fuel containing ultralow fugitive constituent carbon-based fuel；
It is passed through water conservancy diversion gas in water conservancy diversion gas import, to generate one layer of low speed air film in the tangential target location of swirl-melting incinerator, is protected
It does not wear shield target area.
In the preferred scheme, the importing gas flow rate that the import of water conservancy diversion gas is passed through is not more than 10m/s；
In the preferred scheme, the water conservancy diversion gas being passed through is that air, oxygen-enriched air, pure oxygen or swirl-melting incinerator are discharged and passes through
Purified flue gas.
Below by specific embodiment, and in conjunction with attached drawing, the technical solutions of the present invention will be further described.In
In specification, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment party of the present invention
The explanation of formula is intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
Shown in referring to figs. 2 and 3, two kinds of reductions arranged tangential burner swirl-melting incinerator (embodiment 1 and embodiments are provided
2), fuel is added from preheating device, tangentially enters swirl-melting incinerator by burner, high-temp combustion or gasification reaction, In occurs
Cyclone furnace target location is passed through gas, generates one layer of low speed air film in the tangential target location of cyclone furnace, protects target area refractory material
It does not wear.It the difference is that only, the exhanst gas outlet opened up upward, embodiment 2 (Fig. 3) are provided in embodiment 1 (Fig. 2)
In only include bottom outlet.
The reduction arranged tangential burner swirl-melting incinerator, burner tangentially enter cyclone furnace, whirlwind outlet of still cigarette
Gas is discharged from bottom slag discharge or top；
The importing position of the gas is cyclone furnace target area (α=0 °~α=90 ° region)；It imports angle and cyclone furnace fires
The angle of burner flue gas is 45-135 °；
Optionally, the flow velocity for importing gas is not more than 10m/s.
Optionally, the gas is flue gas after air, oxygen-enriched air, pure oxygen or melting furnace tail portion purify.
Above by the swirl-melting incinerator i.e. application method of the swirl-melting incinerator of the embodiment of the present invention, wherein in whirlwind
Furnace target area imports gas, changes the flow direction of swirl-melting incinerator jet expansion high temperature coal gas containing solid, cuts in original cyclone furnace
A floor low speed air film area is produced to target location, high-temperature flue gas rotates inward before entering target area, is not directly contacted with cyclone furnace
Target area, reduce its directly washing away to target area, while not destroying flow field of the high-temperature flue gas in cyclone furnace, provide a kind of drop
The settling mode of low arranged tangential burner swirl-melting incinerator refractory wear.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of swirl-melting incinerator, including furnace body and fuel inlet, in which:
The fuel inlet is tangentially-arranged on furnace body, being configured to be passed through reactive fuel；
It is also provided with water conservancy diversion gas import on the furnace body, is set on the target area position that reactive fuel in furnace body is directly impacted.
2. swirl-melting incinerator according to claim 1, which is characterized in that the furnace body is cylindrical, the fuel inlet with
Water conservancy diversion gas import is located on the sustained height of furnace body.
3. swirl-melting incinerator according to claim 1, which is characterized in that the furnace body is cylindrical, and the target area is in furnace body
Radian on section is between 30 ° to 45 °.
4. swirl-melting incinerator according to claim 1, which is characterized in that the angle of the import of water conservancy diversion gas and fuel inlet
Between 45 ° to 90 °.
5. swirl-melting incinerator according to claim 1, which is characterized in that the water conservancy diversion gas import be it is multiple, be distributed in furnace
On the target area of body.
6. swirl-melting incinerator according to claim 1, which is characterized in that further include top exit and bottom slag discharge, rotation
The flue gas that the burning of wind melting furnace generates is discharged from bottom slag discharge or top exit.
7. swirl-melting incinerator according to claim 1, which is characterized in that the water conservancy diversion gas import is configured to the importing being passed through
Gas flow rate is not more than 10m/s.
8. swirl-melting incinerator according to claim 1, which is characterized in that the water conservancy diversion gas bag that the water conservancy diversion gas import is passed through includes
Flue gas after that air, oxygen-enriched air, pure oxygen or swirl-melting incinerator are discharged and purified.
9. a kind of operation for reduce using any swirl-melting incinerator of claim 1-8 ultralow fugitive constituent carbon-based fuel
Method, characterized by comprising:
Enter in fuel and is passed through the reactive fuel containing ultralow fugitive constituent carbon-based fuel；
It is passed through water conservancy diversion gas in water conservancy diversion gas import, to generate one layer of low speed air film in the tangential target location of swirl-melting incinerator, protects target
It does not wear in area.
10. according to the method described in claim 9, it is characterized in that, the importing gas flow rate that water conservancy diversion gas import is passed through is not more than
10m/s；
And/or the water conservancy diversion gas being passed through be air, oxygen-enriched air, pure oxygen or swirl-melting incinerator discharge and it is purified after flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383219.2A CN110397935A (en) | 2018-04-25 | 2018-04-25 | Swirl-melting incinerator and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383219.2A CN110397935A (en) | 2018-04-25 | 2018-04-25 | Swirl-melting incinerator and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110397935A true CN110397935A (en) | 2019-11-01 |
Family
ID=68320189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383219.2A Pending CN110397935A (en) | 2018-04-25 | 2018-04-25 | Swirl-melting incinerator and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110397935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351029A (en) * | 2020-03-25 | 2020-06-30 | 济南黄台煤气炉有限公司 | Annular tangential feeding burner of cyclone furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0933594B1 (en) * | 1998-01-28 | 2004-12-15 | Institut Francais Du Petrole | Method of operating a gas turbine combustion chamber for liquid fuel |
| CN101636357A (en) * | 2007-01-15 | 2010-01-27 | 罗克伍尔国际公司 | Process and apparatus for making a mineral melt |
| CN203478220U (en) * | 2013-07-01 | 2014-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Novel cyclone separator of circulating fluidized bed boiler |
| CN206950952U (en) * | 2017-04-19 | 2018-02-02 | 武汉龙净环保科技有限公司 | A kind of shoe of SNCR spray guns |
| CN107747731A (en) * | 2017-09-21 | 2018-03-02 | 湘潭大学 | A kind of adherence method and device for preventing boiler water-cooling wall high-temperature corrosion |
-
2018
- 2018-04-25 CN CN201810383219.2A patent/CN110397935A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0933594B1 (en) * | 1998-01-28 | 2004-12-15 | Institut Francais Du Petrole | Method of operating a gas turbine combustion chamber for liquid fuel |
| CN101636357A (en) * | 2007-01-15 | 2010-01-27 | 罗克伍尔国际公司 | Process and apparatus for making a mineral melt |
| CN203478220U (en) * | 2013-07-01 | 2014-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Novel cyclone separator of circulating fluidized bed boiler |
| CN206950952U (en) * | 2017-04-19 | 2018-02-02 | 武汉龙净环保科技有限公司 | A kind of shoe of SNCR spray guns |
| CN107747731A (en) * | 2017-09-21 | 2018-03-02 | 湘潭大学 | A kind of adherence method and device for preventing boiler water-cooling wall high-temperature corrosion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351029A (en) * | 2020-03-25 | 2020-06-30 | 济南黄台煤气炉有限公司 | Annular tangential feeding burner of cyclone furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208186326U (en) | A kind of adherent wind system of boiler for preventing water wall high temperature corrosion | |
| CN107559817A (en) | A kind of swirling pulverized coal combustion device and method using flue gas recirculation | |
| CN107726331B (en) | Wiring board burns smelting furnace and wiring board burns smelting process | |
| CA2445818C (en) | Method and system for process gas entrainment and mixing in a kiln system | |
| CN102966959B (en) | Wall-attached air system for preventing high temperature corrosion of water cooled wall of garbage incinerator | |
| CN102814092A (en) | Energy-saving comprehensive desulfurization and denitration dust collector through vortex and particles | |
| CN110397935A (en) | Swirl-melting incinerator and its application method | |
| CN101875985A (en) | Energy-saving emission-reducing intensive blast furnace technology | |
| CN109539821A (en) | A kind of heat energy recycle method and device of high-temperature metallurgical slag | |
| CN102012160A (en) | Smelting furnace | |
| CN104531221B (en) | A kind of gasification furnace structure that can simultaneously process fine coal and water-coal-slurry | |
| CN101644535A (en) | Smelting furnace | |
| CN102121788A (en) | Smelting furnace | |
| CN1038430C (en) | Blast furnace coal powder jet quick-burning method and equipment | |
| CN205897132U (en) | Buggy low NOx burner | |
| CN206369213U (en) | The boiler that industrial refuse burns with domestic garbage mixing | |
| CN106224951B (en) | It is a kind of to be used for the stable low NO device and method for controlling combustion to burn | |
| JPH0235885B2 (en) | ||
| CN101423345A (en) | Head kiln dust collection zero discharge system for cement precalcining kiln | |
| CN109357538A (en) | A kind of off-gas recovery utilizes furnace cupola | |
| CN209689400U (en) | A kind of off-gas recovery utilizes furnace cupola | |
| CN109899813A (en) | A kind of ventilating grate structure of biomass boiler | |
| CN209214382U (en) | A kind of uniform furnace cupola of cloth | |
| CN208983339U (en) | A kind of tertiary air segregated combustion system | |
| CN101576312A (en) | Effective multifunctional furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |