CN106403277A - Oxygen-enriched staged combustion hot-blast stove suitable for various fuel sources - Google Patents
Oxygen-enriched staged combustion hot-blast stove suitable for various fuel sources Download PDFInfo
- Publication number
- CN106403277A CN106403277A CN201610919127.2A CN201610919127A CN106403277A CN 106403277 A CN106403277 A CN 106403277A CN 201610919127 A CN201610919127 A CN 201610919127A CN 106403277 A CN106403277 A CN 106403277A
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- China
- Prior art keywords
- combustion
- fuel
- interface
- level
- air
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/025—Air heaters with forced circulation using fluid fuel
-
- 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
- F23L15/00—Heating of air supplied for combustion
-
- 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
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1881—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- 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
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07005—Injecting pure oxygen or oxygen enriched air
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a hot-blast stove which is provided with a main combustion chamber and an auxiliary combustion chamber. The front end of the main combustion chamber is provided with a high and intermediate heat value fuel combustor. The auxiliary combustion chamber communicates with the main combustion chamber and is located behind the main combustion chamber. The high and intermediate heat value fuel combustor is provided with first-stage fuel connectors communicating with a high and intermediate heat value fuel source, and a first-stage combustion-supporting air connector communicating with a first-stage combustion-supporting air connection pipe. The middle of the main combustion chamber is provided with a second-stage fuel connector communicating with an ultra-low heat value fuel source, and a second-stage combustion-supporting air connector communicating with a second-stage combustion-supporting air connection pipe. The auxiliary combustion chamber is provided with a third-stage fuel connector communicating with the ultra-low heat value fuel source, and a third-stage combustion-supporting air connector communicating with a third-stage combustion-supporting air connection pipe. The hot-blast stove can achieve combustion of fuel with different heat values, especially fuel with an ultra-low heat value, and the fuel with the different heat values can combust sufficiently.
Description
Technical field
The present invention relates to hot-blast furnace equipment technical field, the oxygen-enriched classification of more particularly to a kind of pluralities of fuel that can burn
Burning air stove.
Background technology
Air stove is the Thermal Equipment integrating burning and diabatic process needing to provide thermal current for technique.
For improving the thermal efficiency of air stove, its burner can select the mentality of designing of multistage burner, i.e. different calorific values
Fuel enter burner and fractional combustion in the diverse location of burner.But the fuels sources that current multistage burner design uses
More single, and the fuel of predominantly middle and high calorific value, for low calorie fuels, the burning of particularly super-low calorific value fuels sources sets
Meter does not account for.
Typically, fuel gas is divided into exotic fuels (＞ 15.07MJ/Nm by the low heat valve according to fuel3), middle heat
Value fuel (6.28-15.07MJ/Nm3), low calorie fuels (6.28-3.35MJ/Nm3) and super-low calorific value fuel be (＜ 3.35MJ/
Nm3), low calorie fuels and super-low calorific value fuel have that calorific value is relatively low, nonflammable characteristic.And China's low-BTU gas species
Various and total amount is huge, such as landfill gas, biogas, chemical process low-heating-value tail gas, organic exhaust gas etc., because it is nonflammable, portion
The processing mode of point enterprise is to be directly discharged in air, and this not only pollutes to atmospheric environment, and the heat in gas
There is no effective recycling, cause the huge waste of the energy.
In view of this, how to improve the structure of existing air stove so as to the combustion of different calorific values of burning can be simultaneously suitable for
Material source, super-low calorific value fuels sources of especially can fully, stably burning, reclaim energy therein and control the product of pollutant
Raw, it is the problem that those skilled in the art need to solve.
Content of the invention
It is an object of the invention to provide a kind of air stove, this air stove can be burnt different calorific values, particularly super-low calorific value
Fuel, and the fuel of different calorific value all can fully burn.
For solving above-mentioned technical problem, the present invention provides a kind of air stove, has front end and is provided with high, middle combustion value fuel burning
The main chamber of device and connect with described main chamber and be located at described main chamber after subsidiary combustion chamber；
It is respectively equipped with, on described high, middle combustion value fuel burner, the primary fuel interface connecting with high, middle combustion value fuel source
And take over, with one-level combustion air, the one-level combustion air interface connecting；
The middle part of described main chamber is provided with the secondary fuel interface being connected with super-low calorific value fuels sources and is helped with two grades
Two grades of combustion air interfaces of combustion wind adapter connection.
As above, this air stove is provided with the interface sending into fuel, wherein, main burning in the front end of main chamber and middle part
What the front end of room was sent into is high, middle combustion value fuel, because high, middle combustion value fuel is readily burned, can produce steady in main chamber
Fixed thermal-flame；Send into super-low calorific value fuel at the middle part of main chamber, on the one hand utilize the height of high, middle combustion value fuel burning
Warm fire flame, to help super-low calorific value fuel combustion, on the other hand can reduce flame zone ignition temperature, controls NOxGeneration, subtract
Few discharged nitrous oxides, environmental protection.So, this air stove can either be applied to burning different calorific value, particularly super-low calorific value
Fuel.
Optionally, the front portion of described subsidiary combustion chamber be provided with the three-level fuel interface connecting with super-low calorific value fuels sources and with
The three-level combustion air interface of three-level combustion air adapter connection；It is additionally provided with blender in described three-level combustion air adapter, described mixed
Pure oxygen adapter is also associated with clutch.
It is so designed that, the interface arranging super-low calorific value fuel again in the front portion of subsidiary combustion chamber enters super-low calorific value fuel, can
To process substantial amounts of super-low calorific value fuel, prevent same position enter main chamber the thermal-flame of main chamber is extinguished or
Cause fuel in main chamber incomplete combustion, the design achieves the fractional combustion of fuels with different heat values.Meanwhile, by three-level
The pure oxygen that the pure oxygen adapter that the upper blender of combustion air adapter connects provides, makes super-low calorific value fuel burn in oxygen enriched environment, with
Ensure the ignition temperature of super-low calorific value fuel, thus improving efficiency of combustion., the fuel that this ensures that, different calorific values all can fill
Point, stable burn, increased the multiformity of air stove fuels sources, the existing low heat value energy of effective recycling.
Optionally, described pure oxygen adapter is provided with oxygen flow regulating valve.
Optionally, described air stove is horizontal double-layered cylinder structure, and outer layer cylinder is heat exchanger, and inner layer cylinder is described master
Combustor and described subsidiary combustion chamber.
Optionally, described heat exchanger is provided with described two grades of combustion air interfaces, described three-level combustion air interface, and leads to respectively
Cross adapter to connect with described main chamber and described subsidiary combustion chamber.
Optionally, described heat exchanger is rotational flow heat exchanger, and described adapter is taken over for gas distribution.
Optionally, described super-low calorific value fuels sources are connect with described secondary fuel interface, described three-level fuel by tee T
Mouth connection.
Optionally, described tee T is connected with described secondary fuel interface arm or be connected with described three-level fuel interface
Arm on be provided with flow control valve, to distribute into the fuel quantity of described secondary fuel interface, described three-level fuel interface.
Optionally, the liner that described main chamber, the liner of described subsidiary combustion chamber are made for MULTILAYER COMPOSITE refractory material.
Optionally, the burner of described main chamber is low NOxBurner.
Brief description
Fig. 1 is a kind of structural representation of specific embodiment of air stove provided by the present invention.
Description of reference numerals：
Inner layer cylinder 11, main chamber 111, subsidiary combustion chamber 112, heat exchanger 12, pipe fitting 13,14；
High, middle combustion value fuel adapter 21, super-low calorific value fuel adapter 22；
One-level combustion air adapter 31, two grades of combustion air adapters 32, three-level combustion air adapter 33；
Pure oxygen adapter 41；
Primary fuel interface A1, secondary fuel interface A2, three-level fuel interface A3；
One-level combustion air interface B1, two grades of combustion air interface B2, three-level combustion air interface B3.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Refer to Fig. 1, Fig. 1 is a kind of structural representation of specific embodiment of air stove provided by the present invention.
As illustrated, this air stove has main chamber 111 and subsidiary combustion chamber 112, wherein, subsidiary combustion chamber 112 and main combustion
Burn room 111 to connect and be located at after main chamber 111 (on the right side of diagram).
In specific scheme, air stove is horizontal double-layered cylinder structure, and outer layer cylinder is heat exchanger 12, and inner layer cylinder 11 is
Main chamber 111 and subsidiary combustion chamber 112.
It is appreciated that may also set up the cylinder of two connections in practice, respective inner chamber forms main chamber and pair respectively
Combustor.
Wherein, main chamber 111 front end is provided with high, middle combustion value fuel burner, specifically, this high, middle combustion value fuel combustion
Burner can select low NOxBurner, to suppress NOxGeneration.
It is so designed that, from low NOxBurner can reduce the discharge capacity of nitrogen oxides in combustion product, environmental protection.
This high, middle combustion value fuel burner is provided with two primary fuel interface A1, and it passes through high, middle combustion value fuel adapter
21 are connected with high, middle combustion value fuel source respectively, this high, middle combustion value fuel burner are additionally provided with one-level combustion air adapter 31 even
Logical one-level combustion air interface B1.
Consistent with existing, this high, middle combustion value fuel burner is also configured with altar lamp (i.e. igniter burner) to ensure master
Flame in combustor 111 will not extinguish, and also is provided with flame monitor to observe the work feelings of high, middle combustion value fuel burner
Condition.
In addition, the middle part of main chamber 111 be provided with the secondary fuel interface A2 connecting with super-low calorific value fuels sources and with
Two grades of combustion air interface B2 of two grades of combustion air adapter 32 connections.
It should be noted that the middle part of main chamber 111 not only limits at the center of main chamber 111 it should manage here
Solve as facing paracentral one section of region, generally, this position is the flame that the fuel combustion entering from primary fuel interface A1 produces
Central area.
As above, this air stove is provided with the interface sending into fuel in the front end of main chamber 111 and middle part, wherein, main
What the front end of combustor 111 was sent into is high, middle combustion value fuel, because high, middle combustion value fuel is readily burned, can be in main chamber
Stable thermal-flame is produced in 111；Send into super-low calorific value fuel at the middle part of main chamber 111 simultaneously, on the one hand utilize high,
The thermal-flame of middle combustion value fuel burning, to help super-low calorific value fuel combustion, on the other hand can reduce flame zone burning temperature
Degree, controls NOxGeneration.
In further scheme, it is provided with, in subsidiary combustion chamber 112 front portion, the three-level fuel connecting with super-low calorific value fuels sources and connects
The mouth A3 and three-level combustion air interface B3 connecting with three-level combustion air adapter 33；It is provided with mixed in this three-level combustion air adapter 33
Clutch, this blender is also associated with pure oxygen adapter 41.
It is so designed that, on the one hand can process substantial amounts of super-low calorific value fuel, prevent from entering main chamber in same position
The thermal-flame of main chamber 111 is extinguished or causes fuel in main chamber 111 incomplete combustion by 111, realizes super-low calorific value
The fractional combustion of fuel；On the other hand, the pure oxygen being provided by pure oxygen adapter 41, makes super-low calorific value fuel fire in oxygen enriched environment
Burn, to ensure the ignition temperature of super-low calorific value fuel, thus improving efficiency of combustion.So, this air stove can either be applied to combustion
The fuel of the different calorific values of burning, particularly super-low calorific value, can ensure that fuel all energy of different calorific values are abundant again, stablizes and burn, increase
The multiformity of air stove fuels sources, the existing low heat value energy of effective recycling.
In addition, also can appropriate design subsidiary combustion chamber 112 structure, the mainly design to volume, to extend stopping of fuel
Stay the time it is ensured that the abundant burning of fuel.
Specifically, oxygen flow regulating valve (not shown) can be set in pure oxygen adapter 41, with according to concrete fuel
Species and Actual combustion situation etc. adjust the oxygen content of this combustion zone, improve controllability and operability.
In specific scheme, super-low calorific value fuels sources pass through super-low calorific value fuel adapter 22 and secondary fuel interface A2, three
Level fuel interface A3 connection, more specifically, super-low calorific value fuel adapter 22 can be set to tee T, its first adapter connection is super
Low calorie fuels source, second adapter connection secondary fuel interface A2, the 3rd adapter connection three-level fuel interface A3, such energy
Enough simplify pipeline setting, save space.
Further, on tee T is connected with secondary fuel interface A2 arm or the arm that is connected with three-level fuel interface
It is provided with flow control valve, distribute into the fuel of secondary fuel interface A2, three-level fuel interface A3 by this flow control valve
Amount.
Certainly, super-low calorific value fuels sources are connect with secondary fuel interface A2, three-level fuel respectively by two independent adapters
Mouth A3 connection is also feasible, specifically according to practical application and can need to adjust.
In specific scheme, 31, two grades of combustion air adapters 32 of one-level combustion air adapter and three-level combustion air adapter 33 are permissible
Come from a main pipe rail, this main pipe rail is connected with combustion fan.Certainly, also can there are other various pipeline connecting modes, specifically
As shown in fig. 1, two branch roads that two grades of combustion air adapters 32 and three-level combustion air adapter 33 separate for a pipeline.
Specifically, combustion fan can select centrifugal blower, can be respectively provided with control valve, to control in the adapter of each combustion air
System enters the air ration of each combustion zone.
In specific scheme, the outer layer cylinder of this air stove is heat exchanger 12, and said second combustion air interface B2, three-level help
Combustion wind interface B3 is all opened on heat exchanger 12, and passes through the inner space of adapter 13,14 and inner layer cylinder 11 respectively.Namely
Say, two, three-level combustion air be introduced into heat exchange in heat exchanger 12, then through adapter 13,14 enter main chamber 111, subsidiary combustion chamber
112.
Be so designed that, two grades of combustion airs and three-level combustion air enter in combustor combustion-supporting before, be introduced into heat exchanger 12 and enter
Row pre-heating temperature elevation, contributes to subsequently entering the indoor burning of burning, improves efficiency of combustion.Meanwhile, this heat exchanger 12 can also rise
To the external skin temperatures reducing air stove, improve the effect of operation field safety.
More specifically, heat exchanger 12 can be set to rotational flow heat exchanger, there is higher heat exchange efficiency；Specific scheme
In, main chamber 111, subsidiary combustion chamber 112 are provided with liner, that is, the inwall setting liner in inner layer cylinder 11, to play guarantor
Gently heat-insulated effect, specifically, liner is MULTILAYER COMPOSITE refractory material.
Additionally, on the premise of meeting processing performance, this air stove can also have flame monitoring, temperature monitoring, fuel
Pressure monitoring, outlet oxygen content monitoring and other perfect security interlock alarm function, the realization of these functions all can refer to
Prior art designs, and no longer repeats one by one herein.
Above a kind of air stove provided by the present invention is described in detail.Specific case used herein is to this
The principle of invention and embodiment are set forth, the explanation of above example be only intended to help understand the method for the present invention and
Its core concept.It should be pointed out that for those skilled in the art, in the premise without departing from the principle of the invention
Under, the present invention can also be carried out with some improvement and modify, these improve and modify the protection also falling into the claims in the present invention
In the range of.
Claims (10)
1. a kind of air stove, have front end be provided with high, middle combustion value fuel burner main chamber (111) and with described main burning
Room (111) connection and the subsidiary combustion chamber (112) after described main chamber (111)；
It is respectively equipped with, on described high, middle combustion value fuel burner, the primary fuel interface (A1) connecting with high, middle combustion value fuel source
And take over, with one-level combustion air, one-level combustion air interface (B1) that (31) connect；
It is characterized in that, the middle part of described main chamber (111) is provided with the secondary fuel interface connecting with super-low calorific value fuels sources
(A2) and with two grades of combustion airs two grades of combustion air interfaces (B2) that (32) connect are taken over.
2. air stove according to claim 1 it is characterised in that the front portion of described subsidiary combustion chamber (112) be provided with ultralow
The three-level fuel interface (A3) of combustion value fuel source connection and the three-level combustion air interface connecting with three-level combustion air adapter (33)
(B3)；It is provided with blender on described three-level combustion air adapter (33), described blender is also associated with pure oxygen adapter (41).
3. air stove according to claim 2 is adjusted it is characterised in that being provided with oxygen flow on described pure oxygen adapter (41)
Valve.
4. air stove according to claim 2 it is characterised in that described air stove be horizontal double-layered cylinder structure, outer layer
Cylinder is heat exchanger (12), and inner layer cylinder is described main chamber (111) and described subsidiary combustion chamber (112).
5. air stove according to claim 4 is it is characterised in that described heat exchanger (12) is provided with described two grades of combustion airs
Interface (B2), described three-level combustion air interface (B3), and pass through respectively to take over (13,14) and described main chamber (111) and institute
State subsidiary combustion chamber (112) connection.
6. air stove according to claim 5 is it is characterised in that described heat exchanger (12) is rotational flow heat exchanger, described
Adapter (13,14) is taken over for gas distribution.
7. the air stove according to any one of claim 2-6 is it is characterised in that described super-low calorific value fuels sources pass through threeway
Pipe is connected with described secondary fuel interface (A2), described three-level fuel interface (A3).
8. air stove according to claim 7 is it is characterised in that described tee T is connected with described secondary fuel interface (A2)
It is provided with flow control valve, to distribute into described two on the arm connecing or the arm being connected with described three-level fuel interface (A3)
Level fuel interface (A2), the fuel quantity of described three-level fuel interface (A3).
9. the air stove according to any one of claim 1-6 is it is characterised in that described main chamber (111), described pair are fired
Burn the liner that the liner of room (112) is made for MULTILAYER COMPOSITE refractory material.
10. the air stove according to any one of claim 1-6 is it is characterised in that the burner of described main chamber is low
NOxBurner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919127.2A CN106403277A (en) | 2016-10-20 | 2016-10-20 | Oxygen-enriched staged combustion hot-blast stove suitable for various fuel sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919127.2A CN106403277A (en) | 2016-10-20 | 2016-10-20 | Oxygen-enriched staged combustion hot-blast stove suitable for various fuel sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403277A true CN106403277A (en) | 2017-02-15 |
Family
ID=58013572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610919127.2A Pending CN106403277A (en) | 2016-10-20 | 2016-10-20 | Oxygen-enriched staged combustion hot-blast stove suitable for various fuel sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403277A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793195A (en) * | 2019-10-14 | 2020-02-14 | 北京航化节能环保技术有限公司 | Hot-blast furnace equipment suitable for low-heating-value fuel low-oxygen combustion |
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| US20040074427A1 (en) * | 2002-05-15 | 2004-04-22 | Hisashi Kobayashi | Low NOx combustion |
| CN1502849A (en) * | 2002-11-19 | 2004-06-09 | ��������ķ������ | Method for reducing waste oxide gas emissions in industrial processes |
| CN203100395U (en) * | 2013-03-07 | 2013-07-31 | 长岭炼化岳阳工程设计有限公司 | Horizontal type air heating furnace with heat recovery cavity |
| CN103981319A (en) * | 2014-05-27 | 2014-08-13 | 湖南华银能源技术有限公司 | Hot blast stove system and combustion control method thereof |
| CN204100244U (en) * | 2014-10-16 | 2015-01-14 | 陈维汉 | A kind of gas oxygen-enriched combustion-supporting premixed swirl combustion device |
| CN204535076U (en) * | 2014-12-10 | 2015-08-05 | 湖南华银能源技术有限公司 | A kind of heat smoke producer of lower heat of combustion coal pyrolysis gas |
| CN105090939A (en) * | 2015-08-11 | 2015-11-25 | 湖南华银能源技术有限公司 | Hot blast heater recycling low-heating-value gas and combustion method |
-
2016
- 2016-10-20 CN CN201610919127.2A patent/CN106403277A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040074427A1 (en) * | 2002-05-15 | 2004-04-22 | Hisashi Kobayashi | Low NOx combustion |
| CN1502849A (en) * | 2002-11-19 | 2004-06-09 | ��������ķ������ | Method for reducing waste oxide gas emissions in industrial processes |
| CN203100395U (en) * | 2013-03-07 | 2013-07-31 | 长岭炼化岳阳工程设计有限公司 | Horizontal type air heating furnace with heat recovery cavity |
| CN103981319A (en) * | 2014-05-27 | 2014-08-13 | 湖南华银能源技术有限公司 | Hot blast stove system and combustion control method thereof |
| CN204100244U (en) * | 2014-10-16 | 2015-01-14 | 陈维汉 | A kind of gas oxygen-enriched combustion-supporting premixed swirl combustion device |
| CN204535076U (en) * | 2014-12-10 | 2015-08-05 | 湖南华银能源技术有限公司 | A kind of heat smoke producer of lower heat of combustion coal pyrolysis gas |
| CN105090939A (en) * | 2015-08-11 | 2015-11-25 | 湖南华银能源技术有限公司 | Hot blast heater recycling low-heating-value gas and combustion method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793195A (en) * | 2019-10-14 | 2020-02-14 | 北京航化节能环保技术有限公司 | Hot-blast furnace equipment suitable for low-heating-value fuel low-oxygen combustion |
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