CN207762898U - One kind being mostly used oxygen-enriched burner - Google Patents
One kind being mostly used oxygen-enriched burner Download PDFInfo
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- CN207762898U CN207762898U CN201721808911.2U CN201721808911U CN207762898U CN 207762898 U CN207762898 U CN 207762898U CN 201721808911 U CN201721808911 U CN 201721808911U CN 207762898 U CN207762898 U CN 207762898U
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- pipe
- oxygen
- hose
- fuels
- low calorie
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
The utility model is related to one kind being mostly used oxygen-enriched burner, including tube body, igniter burner (1), mouth (2) is burnt as nozzle in the front end of tube body, mouth (2) is burnt close to nozzle form mixing chamber (A) in tube body, igniter burner (1) is arranged in body central, provides Chang Minghuo；Tube body includes mainly low calorie fuels pipe (3), exotic fuels pipe (4), oxygen hose (5), air hose (6), protection pipe (7), the low calorie fuels pipe (3), exotic fuels pipe (4), oxygen hose (5), gas outlet all Correspondents of air hose (6) are to the mixing chamber (A), according to different gas supply situations, low calorie fuels pipe and exotic fuels pipe are alternately opened or closed, according to combustion system, the aeration ratio of oxygen hose and air hose is adjusted to realize the adjusting of combustion-supporting gas, finally, combustion gas and combustion-supporting gas are respectively collected to mixing chamber, open fire is encountered to light and jet out flames outward.
Description
Technical field
The utility model is related to burner more particularly to a kind of oxygen-enriched burners of burning.
Background technology
Currently, conventional single fuel nozzle only has 2 gas feeds, it is fuel inlet and combustion-supporting gas import respectively.Therefore
And in general, each burner is only capable of using single gaseous fuel, such as exotic fuels or low calorie fuels etc..
However, the production status of real enterprise is sufficiently complex, it is past according to different burning object and energy resource supply
Toward to configure multiple burners, changeing for same position burner is sometimes also related to, operation is sufficiently complex.
In addition, there are many combustion systems of fuel, such as oxygen-enriched combusting, combustion with meagre oxygen.Burner used in current production
Fixed combustion system has been corresponded in design, in order to reach different combustion heat values, to be often also related to burner more
It changes, not only increases the spare parts cost of enterprise, and can not ensure continuous production.
And we are to adapt to changeable complicated work condition environment, and 4 gas feeds are arranged, it can be in exotic fuels and low
It selects and switches between combustion value fuel, realize the versatility of burner, once site fuel type changes, do not need to change burning
Mouth.
Secondly because being provided with air intlet and oxygen inlet simultaneously, more selections are provided for the adjusting of combustion-supporting gas
The combustion air proportion adjustment of maximum magnitude is realized in space.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multi-purpose oxygen-enriched burner for the above-mentioned prior art, is led to
It crosses and burner is rationally designed, make a burner that can not only adapt to two kinds of fuel, such as exotic fuels and low heat value combustion
Material, and two kinds of combustion systems of air burning and oxygen-enriched combusting can be carried out, improve the function of burner.
The technical scheme in the invention for solving the above technical problem is：One kind being mostly used oxygen-enriched burner, including tube body, point
Mouth is burnt, mouth is burnt in the front end of the tube body as nozzle, and burning mouth close to nozzle in tube body forms mixing chamber, igniter burner setting
Mixing chamber is extended in the burner of body central, igniter burner, steady and sustained Chang Minghuo is provided；The tube body mainly wraps
Include low calorie fuels pipe, exotic fuels pipe, oxygen hose, air hose, protection pipe, the low calorie fuels pipe, exotic fuels
Pipe, oxygen hose, air hose gas outlet all Correspondents to the mixing chamber, the low calorie fuels pipe be provided with low calorie fuels into
Mouth, the exotic fuels pipe is provided with exotic fuels import, the oxygen hose is provided with oxygen inlet, the air hose is set
It is equipped with air intlet；According to different gas supply situations, low calorie fuels pipe and exotic fuels pipe are alternately opened or closed, root
According to combustion system, the aeration ratio of adjustable oxygen hose and air hose realizes the adjusting of combustion-supporting gas, finally, combustion gas and combustion-supporting gas
It is respectively collected to mixing chamber, open fire is encountered and lights and jet out flames outward.
Preferably, the low calorie fuels pipe, exotic fuels pipe, oxygen hose, air hose are followed successively by according to ecto-entad
Air hose, exotic fuels pipe, oxygen hose and low calorie fuels pipe, the protection pipe are connected on the outlet side of air hose as nozzle
Mouth is burnt, and hides the nozzle of internally positioned exotic fuels pipe, oxygen hose and low calorie fuels pipe, protection tube cavity is as institute
The mixing chamber stated.
Preferably, the inlet end of the exotic fuels pipe is designed as scarf, and exotic fuels import with it is described tiltedly
Section is opposite, so as to form gas cyclone, improves downward speed and steady air flow.
Preferably, port is offered on the pipe shaft of the exotic fuels pipe and and air line, exotic fuels
Combustion heat value is higher, excessively violent in order to avoid encountering the burning of open fire moment, therefore a part of fuel meat is mixed into air
It in stream, on the one hand avoids partial combustion violent, on the other hand also improves the burning adequacy of exotic fuels, anoxic is avoided to fire
It burns, improves burning adequacy.
Preferably, the gas outlet of the oxygen hose is gradually narrowed taper air cleft, which is to adapt to oxygen-enriched
Oxygen feeding amount can be accurately adjusted when burning, and forms certain air flow impulse, not only can reach the temperature of needs, but also oxygen
Stream is conical flow, can concentrate flame, forms high-speed flame, improves the ignition temperature and combustion range of flame, especially full
Foot is this kind of to temperature and all higher requirement of combustion range as tundish.
Preferable setting is that the outlet side of the low calorie fuels pipe is shaped to male cone (strobilus masculinus), the outlet side of the oxygen hose
It is shaped to inner conical surface, the male cone (strobilus masculinus) and inner conical surface constitute the taper air cleft of oxygen output.
Since the combustion heat value of exotic fuels is high, demand is relatively small under rated power, so by exotic fuels
The position outer in igniter burner is arranged in pipe, while to control its circulation and intake uniformity, and it is dense to particularly avoid local burnup
It spends greatly, the outlet side of exotic fuels is further provided with end cap by the application, and the end cap side circumferentially uniformly opens up
There is injection eye, exotic fuels pipe is connected to mixing chamber by spraying eye, and then controls air inflow and the air inlet side of exotic fuels
Formula.
Preferably, the air hose is double-deck pipe body, including outer tube and inner tube, and the air intlet penetrates through outer tube, inner tube
On offer the circumferential through-hole of connection outer tube, the interior walls be smooth transition of inner tube and protection pipe, the interlayer structure between inner and outer tubes
At air packet, it is ensured that filled by air in entire mixing chamber.
Preferably, the inlet end tube body that low calorie fuels pipe is correspondingly arranged low calorie fuels import is ellipsoid.
(1) igniter burner of the application expense can provide steady and sustained Chang Minghuo, low calorie fuels pipe for tundish burner
It is provided with the low calorie fuels such as similar blast furnace gas, coal gas of converter, coke-stove gas.It is contour that exotic fuels pipe is provided with similar natural gas
Combustion value fuel.Oxygen hose is the critical passage of oxygen-enriched burner.Air hose provides the combustion air needed for burner.
(2) when we select exotic fuels to do fuel, low calorie fuels pipe is closed, is entered without combustion gas, oxygen
Feed channel can be turned on and off as needed.
The natural gas (exotic fuels) of yellow is mixed with grey air in mixing chamber, is pooled at burner spout central,
Burner has Chang Minghuo at center, lights natural gas, and burning mouth from nozzle jets out flames.
If wanting oxygen-enriched combusting, it is passed through partial oxidation, then blue oxygen is mixed with natural gas, air at burner center
It closes, is lighted by Chang Minghuo, form high-speed flame.
Because the calorific value of natural gas is relatively high, the amount of demand is relatively small under rated power, therefore sprinkler design is in several
Spray eye.And exotic fuels pipe is arranged relatively outer.
(3) when selecting coal gas (low calorie fuels) to do fuel, exotic fuels tube passage is closed, and no gas enters.Oxygen
Gas channel is opened, and aubergine coal gas is mixed with blue oxygen at Chang Minghuo, is lighted by Chang Minghuo.Relatively due to calorific value of gas
Low, demand is larger when rated power, in order to easily light and increase channel space, therefore gas passage is arranged in internal layer close to point
At the Chang Minghuo for burning mouth.
Compared with prior art, the utility model has the advantage of：
One, pluralities of fuel
Usually, conventional single fuel nozzle only has 2 gas feeds, be fuel inlet respectively with combustion-supporting gas into
Mouthful.So in general, burner only adapts to single gaseous fuel.
For the application in order to adapt to changeable complicated work condition environment, 4 gas feeds of setting can be in exotic fuels
It selects and switches between (natural gas) and low calorie fuels (coal gas), realize the versatility of burner, once site fuel type is sent out
Changing does not need to change burner, reduces enterprise's burner spare part.
Secondly because being provided with air intlet and oxygen inlet simultaneously, more selections are provided for the adjusting of combustion-supporting gas
The combustion air proportion adjustment of maximum magnitude is realized in space.
In addition the application has carried out rational setting to four gas passages makes to reach best combustion system.
Two, oxygen-enriched burner
The application can flexible modulation combustion system, can especially realize oxygen-enriched combusting, the combustion air used in ordinary burner
In its natural state.If making combustion air with than hyperoxic air under natural conditions, which claims oxygen-enriched combusting.
On the contrary, claiming combustion with meagre oxygen.The limiting condition of oxygen-enriched combusting is pure oxygen burning.Oxygen-enriched combusting is used to high temperature industrial furnace, not only may be used
Reach and need temperature, and is energy saving.Oxygen-enriched combusting or pure oxygen burning flame have following features compared with ordinary combustion flame.
1. theoretical air requirement is few.With the increase of oxygen content in oxygen-enriched air, theoretical air requirement is reduced, to change
Combustion characteristics.
2. flame temperature is high.Flame temperature increases with oxygen content in oxygen-enriched air and is increased.When oxygen concentration is less than 30%
When, flame temperature rises soon, and when being more than 30%, temperature rise is slow, and therefore, general oxygen concentration control is below 28%
Preferably.
3. exhaust smoke level is reduced.When oxygen-enriched air oxygen content increases to 27% by 21%, in the case of theoretical air requirement, wet cigarette
Tolerance can reduce 20%, to reduce heat loss due to exhaust gas.Oxygen content is higher in oxygen-enriched air, and flue gas loss proportion is small,
Energy-saving effect is better.
4. decomposition heat increases.As flue-gas temperature increases, decomposition heat increases, a large amount of by releasing when encountering low-temperature surface
Decomposition heat, this, which is also oxygen-enriched combusting flame, has one of the reason of larger heat-transfer capability.
5. energy saving.Since oxygen-enriched combusting flame temperature is high, temperature and pressure increase in stove, and Radiant exothermicity enhancing improves
Heat is efficiently used in stove.Simultaneously as exhaust smoke level is reduced, heat loss due to exhaust gas reduces, therefore equipment thermal efficiency improves, to save
Fuel consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of oxygen-enriched burner in the utility model embodiment.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figure 1, one kind in the present embodiment is mostly used oxygen-enriched burner, including tube body, igniter burner 1, the front end of tube body
Mouth 2 is burnt as nozzle, burning mouth 2 close to nozzle in tube body forms mixing chamber A, and the setting of igniter burner 1 is burnt in body central, point
The burner of mouth 1 extends to mixing chamber A, provides steady and sustained Chang Minghuo；Tube body includes mainly low calorie fuels pipe 3, height
Combustion value fuel pipe 4, oxygen hose 5, air hose 6, protection pipe 7, low calorie fuels pipe 3, exotic fuels pipe 4, oxygen hose 5, air
For the gas outlet of pipe 6 all Correspondents to mixing chamber A, low calorie fuels pipe 3 is provided with low calorie fuels import 301, exotic fuels pipe 4
It is provided with exotic fuels import 401, oxygen hose 5 is provided with oxygen inlet 501, air hose 6 is provided with air intlet 601.It is low
Combustion value fuel pipe 3, exotic fuels pipe 4, oxygen hose 5, air hose 6 are followed successively by air hose 6, exotic fuels according to ecto-entad
Pipe 4, oxygen hose 5 and low calorie fuels pipe 3, mouth 2 is burnt in the outlet side that protection pipe 7 is connected on air hose 6 as nozzle, and hides and be located at
The nozzle of internal exotic fuels pipe 4, oxygen hose 5 and low calorie fuels pipe 4,7 inner cavity of protection pipe is as mixing chamber A.
According to different gas supply situations, low calorie fuels pipe and exotic fuels pipe are alternately opened or closed, according to combustion
The aeration ratio of oxygen hose and air hose is adjusted to realize the adjusting of combustion-supporting gas in burning mode, and finally, combustion gas and combustion-supporting qi leel are other
It is pooled to mixing chamber, open fire is encountered and lights and jet out flames outward.When we select exotic fuels to do fuel, low heat value combustion
Expects pipe is closed, is entered without combustion gas, and oxygen channel can be turned on and off as needed.Natural gas (the high fever of yellow
Value fuel) it is mixed in mixing chamber with grey air, it is pooled at burner spout central, burner has Chang Minghuo at center, lights day
Right gas burns mouth from nozzle and jets out flames.If wanting oxygen-enriched combusting, it is passed through partial oxidation, then blue oxygen and natural gas, sky
Gas mixes at burner center, is lighted by Chang Minghuo, and high-speed flame is formed.Because the calorific value of natural gas is relatively high, specified work(
The amount of demand is relatively small under rate, if therefore sprinkler design is in dry-spray eye.And exotic fuels pipe is arranged relatively outer.When
When selection coal gas (low calorie fuels) does fuel, exotic fuels tube passage is closed, and no gas enters.Oxygen channel is opened, purple
Red coal gas is mixed with blue oxygen at Chang Minghuo, is lighted by Chang Minghuo.Since calorific value of gas is relatively low, when rated power
Demand is larger, in order to easily light and increase channel space, therefore gas passage is arranged to the Chang Ming in internal layer close to igniter burner
At fire.
The inlet end of exotic fuels pipe is designed as scarf, and exotic fuels import is opposite with the scarf.It is high
Port 402 is offered on the pipe shaft of combustion value fuel pipe 4 and and air line.The gas outlet of oxygen hose 5 is the cone gradually narrowed
Shape air cleft 502.The 502 corresponding structure design of taper air cleft is that the outlet side of low calorie fuels pipe is shaped to male cone (strobilus masculinus), oxygen
The outlet side of pipe is shaped to inner conical surface, and male cone (strobilus masculinus) and inner conical surface constitute the taper air cleft 502 of oxygen output.
The outlet side of exotic fuels pipe 4 is provided with end cap 403, and 403 side of end cap is circumferentially uniformly provided with injection eye
404, exotic fuels pipe is connected to mixing chamber A by the injection eye 404, for natural.
Air hose 6 is double-deck pipe body, including outer tube 602 and inner tube 603, and air intlet 601 penetrates through outer tube 602, inner tube 603
On offer the circumferential through-hole 604 of connection outer tube 602, the interior walls be smooth transition of inner tube 603 and protection pipe 7, inner tube 603 and outer tube
Interlayer between 602 constitutes air chamber.The inlet end tube body that low calorie fuels pipe 3 is correspondingly arranged low calorie fuels import is ellipse
Body.
In addition to the implementation, the utility model further includes having other embodiment, all to use equivalents or equivalent
The technical solution that alternative is formed, should all fall within the protection domain of the utility model claims.
Claims (9)
1. one kind being mostly used oxygen-enriched burner, it is characterised in that：Including tube body, igniter burner (1), the front end of the tube body is as nozzle
Mouth (2) is burnt, burning mouth (2) close to nozzle in tube body forms mixing chamber (A), and igniter burner (1) setting is burnt in body central, point
The burner of mouth (1) extends to mixing chamber (A), provides steady and sustained Chang Minghuo；The tube body includes mainly that low heat value is fired
Expects pipe (3), exotic fuels pipe (4), oxygen hose (5), air hose (6), protection pipe (7), the low calorie fuels pipe (3), height
Combustion value fuel pipe (4), oxygen hose (5), air hose (6) gas outlet all Correspondents to the mixing chamber (A), the low calorie fuels
(3) are provided with low calorie fuels import (301) to pipe, the exotic fuels pipe (4) is provided with exotic fuels import (401),
The oxygen hose (5) is provided with oxygen inlet (501), the air hose (6) is provided with air intlet (601)；According to different combustions
Gas supply situation, low calorie fuels pipe and exotic fuels pipe are alternately opened or closed, and according to combustion system, oxygen hose is adjusted
The adjusting of combustion-supporting gas is realized with the aeration ratio of air hose, and finally, combustion gas and combustion-supporting gas are respectively collected to mixing chamber, encounter bright
Fire is lighted and is jetted out flames outward.
2. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The low calorie fuels pipe, exotic fuels
Pipe, oxygen hose, air hose are followed successively by air hose, exotic fuels pipe, oxygen hose and low calorie fuels pipe, institute according to ecto-entad
State protection pipe and be connected on the outlet side of air hose and burn mouth as nozzle, and hide internally positioned exotic fuels pipe, oxygen hose and
The nozzle of low calorie fuels pipe, protection tube cavity is as the mixing chamber.
3. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The inlet end of the exotic fuels pipe designs
For scarf, and exotic fuels import is opposite with the scarf.
4. according to claim 2 be mostly used oxygen-enriched burner, it is characterised in that：On the pipe shaft of the exotic fuels pipe (4)
Offer port (402) and and air line.
5. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The gas outlet of the oxygen hose (5) is gradual
Narrowed taper air cleft (502).
6. according to claim 5 be mostly used oxygen-enriched burner, it is characterised in that：The outlet side of the low calorie fuels pipe is molded
Outlet side for male cone (strobilus masculinus), the oxygen hose is shaped to inner conical surface, and the male cone (strobilus masculinus) and inner conical surface constitute the institute of oxygen output
State taper air cleft (502).
7. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The outlet side of the exotic fuels pipe (4)
It is provided with end cap (403), end cap (403) side is circumferentially uniformly provided with injection eye (404), and exotic fuels pipe passes through
Injection eye (404) the connection mixing chamber (A).
8. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The air hose (6) is double-deck pipe body, including
Outer tube (602) and inner tube (603), the air intlet (601) penetrate through outer tube (602), the ring of connection outer tube are offered in inner tube
To through-hole (604), the interior walls be smooth transition of inner tube and protection pipe, the interlayer between inner and outer tubes constitutes air chamber.
9. according to claim 1 be mostly used oxygen-enriched burner, it is characterised in that：The low calorie fuels pipe (3) is correspondingly arranged
The inlet end tube body of low calorie fuels import is ellipsoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808911.2U CN207762898U (en) | 2017-12-21 | 2017-12-21 | One kind being mostly used oxygen-enriched burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808911.2U CN207762898U (en) | 2017-12-21 | 2017-12-21 | One kind being mostly used oxygen-enriched burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762898U true CN207762898U (en) | 2018-08-24 |
Family
ID=63187727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721808911.2U Active CN207762898U (en) | 2017-12-21 | 2017-12-21 | One kind being mostly used oxygen-enriched burner |
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| Country | Link |
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| CN (1) | CN207762898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006640A (en) * | 2017-12-21 | 2018-05-08 | 靖江博鑫柯曼燃烧器制造有限公司 | One kind uses oxygen-enriched burner |
| CN112178647A (en) * | 2020-08-27 | 2021-01-05 | 上海化工院环境工程有限公司 | Energy-saving and environment-friendly process device and method for treating organic solid waste by pulse oxygen-enriched combustion |
-
2017
- 2017-12-21 CN CN201721808911.2U patent/CN207762898U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006640A (en) * | 2017-12-21 | 2018-05-08 | 靖江博鑫柯曼燃烧器制造有限公司 | One kind uses oxygen-enriched burner |
| CN108006640B (en) * | 2017-12-21 | 2024-02-13 | 靖江博鑫柯曼燃烧器制造有限公司 | Multipurpose oxygen-enriched burner |
| CN112178647A (en) * | 2020-08-27 | 2021-01-05 | 上海化工院环境工程有限公司 | Energy-saving and environment-friendly process device and method for treating organic solid waste by pulse oxygen-enriched combustion |
| CN112178647B (en) * | 2020-08-27 | 2023-02-03 | 上海化工院环境工程有限公司 | Energy-saving and environment-friendly process device and method for treating organic solid waste by pulse oxygen-enriched combustion |
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