CN106402859A - Pure-oxygen combustor - Google Patents
Pure-oxygen combustor Download PDFInfo
- Publication number
- CN106402859A CN106402859A CN201610947523.6A CN201610947523A CN106402859A CN 106402859 A CN106402859 A CN 106402859A CN 201610947523 A CN201610947523 A CN 201610947523A CN 106402859 A CN106402859 A CN 106402859A
- Authority
- CN
- China
- Prior art keywords
- pure oxygen
- pipeline
- burner hearth
- pure
- oxygen
- 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
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14641—Special features of gas burners with gas distribution manifolds or bars provided with a plurality of nozzles
Abstract
The invention provides a pure-oxygen combustor which comprises a ventilating device and a combustion chamber connected with the ventilating device. The ventilating device comprises a primary pure-oxygen pipeline, a secondary pure-oxygen pipeline, a coal gas pipeline and a smoke pipeline, wherein One end of the primary pure-oxygen pipeline is connected with a pure-oxygen inlet pipeline, the other end of the primary pure-oxygen pipeline extends into the combustion chamber, one end of the secondary pure-oxygen pipeline is connected with the pure-oxygen inlet pipeline, the other end of the secondary pure-oxygen pipeline extends into the combustion chamber, one end of the coal gas pipeline is connected with a coal gas inlet pipeline, the other end of the coal gas pipeline extends into the combustion chamber, the coal gas pipeline is located between the primary pure-oxygen pipeline and the secondary pure-oxygen pipeline, one end of the smoke pipeline is exposed into the combustion chamber, and the other end of the smoke pipeline is connected with the secondary pure-oxygen pipeline. By means of the pure-oxygen combustor, the problems that an existing pure-oxygen combustor is high in combustion temperature, the high-temperature region is concentrated, heating is uneven, the smoke amount is small, the convective heat transfer efficiency is low, and the structure is complex are solved.
Description
Technical field
The present invention relates to efficient burning equipment manufacturing technology field, more particularly to a kind of pure oxygen combustor.
Background technology
Substantial amounts of burner can be used in the production of industrial circle, generally these burners are all using air as combustion-supporting
Agent, the in the air about O containing 21%2, nearly 79% N2, in air-breathing combustion reaction, only O2Work with fuel, combustion
Burn inefficient, and N2With O2Reaction can produce NOX, while taking away most of heat in waste gas discharge, also can produce dirt
Dye.From the in the urgent need to of energy-conservation and minimizing disposal of pollutants, particularly from raising efficiency of combustion, reduce fuel cost,
Technical staff constantly improves to burner for many years, the air-breathing by, to oxygen-enriched combustion-supporting, then is more than to concentration
80% pure oxygen combustion-supporting.
Pure oxygen combustor, also known as oxygen-enriched burner, refers to pure oxygen be used in industrial circle as the burner of combustion adjuvant.
It is different that the theory of combustion of oxygen-enriched burner and general burner have substantially, and it is that fuel is blended in stove step by step with pure oxygen,
It is evenly distributed on low temperature diffusivity burning in burner hearth after mixing, the more idealization of fuel combustion can be made, save fuel 50% left
The right side, reduces exhaust gas volumn more than 70%.
Pure oxygen burning has been widely used as emerging combustion technology, can effectively save fuel, improves combustion
Burn temperature, greatly reduce or do not produce NOx, energy-saving and emission-reduction can be reached, reduce pollution, using targets such as low-quality coal gas.
But there is ignition temperature height in existing pure oxygen combustor, high-temperature region is concentrated, heating is uneven, exhaust gas volumn is few, convection heat transfer' heat-transfer by convection efficiency
The defects such as low and complex structure.
In consideration of it, being necessary to design a kind of new pure oxygen combustor in order to solve above-mentioned technical problem.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of pure oxygen combustor, solves
There is ignition temperature height in existing pure oxygen combustor, high-temperature region is concentrated, heating is uneven, exhaust gas volumn is few, convection heat transfer' heat-transfer by convection efficiency is low
With baroque problem.
For achieving the above object and other related purposes, the present invention provides a kind of pure oxygen combustor, described pure oxygen combustor
Including：Breather and the burner hearth being connected with described breather；Wherein, described breather includes：
Pure oxygen pipeline, one end of a described pure oxygen pipeline is connected with pure oxygen inlet pipeline, and the other end stretches into described
In burner hearth；
Secondary pure oxygen pipeline, one end of described secondary pure oxygen pipeline is connected with described pure oxygen inlet pipeline, and the other end stretches into
In described burner hearth；
Gaspipe line, one end of described gaspipe line is connected with gas entry pipeline, the other end stretches in described burner hearth, its
In, described gaspipe line is located between a described pure oxygen pipeline and secondary pure oxygen pipeline；
Flue gas pipeline, one end of described flue gas pipeline is exposed in described burner hearth, the other end and described secondary pure oxygen pipeline
Connect.
Preferably, described breather also includes the burning torch installing port running through described breather, and is arranged on described
The automatic ignition device of burning torch installing port and fire monitor equipment.
Preferably, described gaspipe line is annulus line, and described annulus line surrounds a described pure oxygen pipeline.
Preferably, the quantity of described secondary pure oxygen pipeline is 6, and 6 secondary pure oxygen pipelines are rounded to be distributed in described ring
Shape pipeline periphery.
Preferably, the diameter of described pure oxygen inlet pipeline is all higher than the diameter of a described pure oxygen pipeline and secondary pure oxygen pipe
The diameter on road.
Preferably, the diameter with diameter greater than described gaspipe line of described gas entry pipeline.
Preferably, a described pure oxygen pipeline, secondary pure oxygen pipeline and gaspipe line are equipped with regulating valve.
Preferably, described breather is additionally provided with flange connecting portion, described burner hearth is fixed on described flange by flange
On connecting portion.
As described above, a kind of pure oxygen combustor of the present invention, have the advantages that：
1. pure oxygen enter burner hearth when two-way is divided into by a pure oxygen pipeline and secondary pure oxygen pipeline, and with positioned at two pipelines
Gas-fired in middle gaspipe line, has effectively disperseed the combustion high temperature area in combustion process, has made burning more abundant, heating
Evenly.
2. the flue gas that burning produces through flue gas pipeline by injection in secondary pure oxygen pipeline, and after the oxygen mix interior with it
Reenter described burner hearth and gas-fired, not only reduce the pure oxygen concentration in secondary pure oxygen pipeline, reduce ignition temperature；
And while effectively increasing the amount of circulating gas in burner hearth, also improve the convection heat transfer' heat-transfer by convection efficiency in burner hearth.
3. pass through automatic ignition device and fire monitor equipment are installed it is achieved that work(examined by the automatic ignition of pure oxygen combustor and fire
Can, so that described pure oxygen combustor is used safer.
4. pure oxygen combustor structure of the present invention is simple, life-span length.
Brief description
Fig. 1 is shown as the structural representation of pure oxygen combustor of the present invention.
Fig. 2 is shown as pure oxygen combustor of the present invention along the profile in AA ' direction.
Fig. 3 is shown as the side view from A ' → A direction for the pure oxygen combustor of the present invention.
Fig. 4 is shown as the side view from A → A ' direction for the pure oxygen combustor of the present invention.
Fig. 5 is shown as pure oxygen combustor of the present invention along the side view in gas entry pipeline direction.
Fig. 6 is shown as the top view of pure oxygen combustor of the present invention.
Component label instructions
1 breather
11 pure oxygen inlet pipelines
12 gas entry pipelines
13 pure oxygen pipelines
14 2 pure oxygen pipelines
15 gaspipe lines
16 flue gas pipelines
17 flange connecting portions
18 burning torch installing ports
Specific embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by addition different concrete realities
The mode of applying is carried out or applies, and the every details in this specification can also be based on different viewpoints and application, without departing from
Carry out various modifications and changes under the spirit of the present invention.
Refer to Fig. 1 to Fig. 6.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., all only in order to
Content disclosed in cooperation description, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualificationss applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
Whole, under not affecting present invention effect that can be generated by and the purpose that can reach, all should still fall in disclosed skill
In the range of art content obtains and can cover.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and
The term of " one " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, its relativeness
It is altered or modified, under no essence change technology contents, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 6, the present invention provides a kind of pure oxygen combustor, and described pure oxygen combustor includes：Breather 1
And the burner hearth being connected with described breather 1；Wherein, described breather 1 includes：
Pure oxygen pipeline 13, one end of a described pure oxygen pipeline 13 is connected with pure oxygen inlet pipeline 11, and the other end is stretched
Enter in described burner hearth；
Secondary pure oxygen pipeline 14, one end of described secondary pure oxygen pipeline 14 is connected with described pure oxygen inlet pipeline 11, another
End is stretched in described burner hearth；
Gaspipe line 15, one end of described gaspipe line 15 is connected with gas entry pipeline 12, the other end stretches into described stove
In thorax, wherein, described gaspipe line 15 is located between a described pure oxygen pipeline 13 and secondary pure oxygen pipeline 14；
Flue gas pipeline 16, one end of described flue gas pipeline 16 is exposed in described burner hearth, the other end and described secondary pure oxygen
Pipeline 14 connects.
Specifically, described breather 1 is additionally provided with flange connecting portion 17, described burner hearth is fixed on described method by flange
On blue connecting portion 17, realize the connection of described burner hearth and breather 1.
It should be noted that burning gases are passed through into described burner hearth by described breather 1, wherein, described ventilation
The material of device 1 is fire resisting, exotic material；Preferably, in the present invention, the material of described breather 1 is castable.
It should be noted that described burner hearth is the solid space for pure oxygen and gas-fired, its material is necessary for durable, resistance to
High-temperature material, described burner hearth does not embody on accompanying drawing.
Specifically, described breather 1 also includes running through the burning torch installing port 18 of described breather 1, and is arranged on
The automatic ignition device of described burning torch installing port 18 and fire monitor equipment, described igniter and fire monitor equipment be not all on accompanying drawing
Embody.
It should be noted that by described fire monitor equipment real-time monitoring fired state, there is safety in described pure oxygen combustor
During hidden danger can fuel shutoff in time supply, it is to avoid the generation of potential danger is it is ensured that safety in production.
In the present invention, described fire monitor equipment is made up of the circuit that any one can achieve fire checking functions.Preferably, in this reality
Apply in example, described fire monitor equipment includes power circuit and at least one road fire inspection control circuit, and described power circuit is each simultaneously
Lu Huojian control circuit is powered, and described fire prosecution electric circuit inspection flame simultaneously exports testing result；Wherein, described fire prosecution system electricity
Road includes：Fire inspection input circuit, the signal for detecting flame detecting probe is converted into corresponding voltage signal；Voltage ratio is more electric
Road, is connected to described fire inspection input circuit, and the voltage signal of described fire inspection input circuit output is compared with a reference voltage
Relatively, and export comparative result；Negative circuit, is connected to described voltage comparator circuit, the ratio to the output of described voltage comparator circuit
Relatively result carries out anti-phase process；Outputting circuit for relay, is connected to described negative circuit, according to the output letter of described negative circuit
Number driving relay output switching signal is to show testing result.
Specifically, a described pure oxygen pipeline 13, secondary pure oxygen pipeline 14 and gaspipe line 15 are equipped with regulating valve,
Described regulating valve does not embody on accompanying drawing.
It should be noted that by setting on a described pure oxygen pipeline 13, secondary pure oxygen pipeline 14 and gaspipe line 15
Put regulating valve, when described pure oxygen combustor in combustion, can be by pure oxygen in the above-mentioned pipeline of governor valve control and coal gas
Flow speed, controls burning velocity and degree.
Specifically, the diameter of described pure oxygen inlet pipeline 11 is all higher than the diameter of a described pure oxygen pipeline 13 and secondary pure
The diameter of oxygen pipeline 14, the diameter with diameter greater than described gaspipe line 15 of described gas entry pipeline 12.
It should be noted that by the pure oxygen inlet pipeline 11 and the gas entry pipeline 12 that arrange major diameter dimension, making pure
Oxygen and coal gas pressure when pure oxygen inlet pipeline 11 and gas entry pipeline 12 are more stable, realize pressure stabilization function.
Refer to Fig. 1 to Fig. 6 below the work of pure oxygen combustor of the present invention is illustrated.
First, ventilation channel is connected with pure oxygen inlet pipeline 11, coal supply pipeline is connected with gas entry pipeline 12, to institute
Stating pure oxygen combustor provides fuel, and pure oxygen is divided into multichannel to respectively enter a pure oxygen pipeline after pure oxygen inlet pipeline 11 voltage stabilizing
13 and secondary pure oxygen pipeline 14, coal gas then enters gaspipe line 15 after gas entry pipeline 12 voltage stabilizing, wherein, can be by adjusting
Pure oxygen or coal gas in each pipeline of governor valve control on pure oxygen pipeline 13 of section, secondary pure oxygen pipeline 14 and gaspipe line 15
Flow；Pure oxygen and coal gas flow into described burner hearth afterwards, and carry out ignition by automatic ignition device, in combustion,
Flue gas injection is entered secondary pure oxygen pipeline 14 using the ejector action of pure oxygen in secondary pure oxygen pipeline 14 by flue gas pipeline 16, and with two
Back flow back in described burner hearth after pure oxygen mixing in secondary pure oxygen pipeline 14 and participate in burning, entered by fire monitor equipment in combustion process
The real-time monitoring of row fired state.
It should be noted that pure oxygen combustor 1 of the present invention by the pure oxygen of pure oxygen inlet pipeline 11 through a pure oxygen
Pipeline 13 and secondary pure oxygen pipeline 14 are divided into multichannel to enter in described burner hearth, and the coal gas of gas entry pipeline 12 is through gas piping
Enter described burner hearth, because gaspipe line 15 is located between a described pure oxygen pipeline 13 and secondary pure oxygen pipeline 14, work as coal gas
When spraying from gaspipe line 15, the pure oxygen of ejection in a pure oxygen pipeline 13 of part coal gas and close gaspipe line 15 side
Burning, partly with the pure oxygen burning spraying in the secondary pure oxygen pipeline 14 of gaspipe line 15 opposite side, thus will burn height
Warm area is divided into multiple, makes burning evenly, fully.
Preferably, the quantity of a described pure oxygen pipeline 13 is 1；Described gaspipe line 15 is annulus line, described ring
Shape pipeline surrounds a described pure oxygen pipeline 13；The quantity of described secondary pure oxygen pipeline 14 is multiple, multiple secondary pure oxygen pipelines
14 rounded are distributed in described annulus line periphery.It is further preferred that in the present embodiment, described secondary pure oxygen pipeline 14
Quantity is 6.
It should be noted that can produce flue gas when pure oxygen and coal gas are in described stove chamber inner combustion, flue gas is through described cigarette
Air pipe 16 is entered in described secondary pure oxygen pipeline 14 by the pure oxygen injection in described secondary pure oxygen pipeline 14, flue gas and secondary pure oxygen
Burner hearth and gas-fired is reentered after pure oxygen mixing in pipeline 14.
Need further exist for illustrating, pure oxygen concentration after mixed flue gas reduces, its temperature with gas-fired is also therewith
Reduce, and amount of circulating gas be increased by flue gas pipeline 16 and secondary pure oxygen pipeline 14, improve convection heat transfer' heat-transfer by convection efficiency.
In sum, a kind of pure oxygen combustor of the present invention, has the advantages that：
1. pure oxygen enter burner hearth when two-way is divided into by a pure oxygen pipeline and secondary pure oxygen pipeline, and with positioned at two pipelines
Gas-fired in middle gaspipe line, has effectively disperseed the combustion high temperature area in combustion process, has made burning more abundant, heating
Evenly.
2. the flue gas that burning produces through flue gas pipeline by injection in secondary pure oxygen pipeline, and after the oxygen mix interior with it
Reenter described burner hearth and gas-fired, not only reduce the pure oxygen concentration in secondary pure oxygen pipeline, reduce ignition temperature；
And while effectively increasing the amount of circulating gas in burner hearth, also improve the convection heat transfer' heat-transfer by convection efficiency in burner hearth.
3. pass through automatic ignition device and fire monitor equipment are installed it is achieved that work(examined by the automatic ignition of pure oxygen combustor and fire
Can, so that described pure oxygen combustor is used safer.
4. pure oxygen combustor structure of the present invention is simple, life-span length.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any ripe
The personage knowing this technology all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
All equivalent modifications becoming or change, must be covered by the claim of the present invention.
Claims (8)
1. a kind of pure oxygen combustor is it is characterised in that described pure oxygen combustor includes：Breather and with described breather even
The burner hearth connecing；Wherein, described breather includes：
Pure oxygen pipeline, one end of a described pure oxygen pipeline is connected with pure oxygen inlet pipeline, and the other end stretches into described burner hearth
Interior；
Secondary pure oxygen pipeline, one end of described secondary pure oxygen pipeline is connected with described pure oxygen inlet pipeline, and the other end stretches into described
In burner hearth；
Gaspipe line, one end of described gaspipe line is connected with gas entry pipeline, the other end stretches in described burner hearth, wherein,
Described gaspipe line is located between a described pure oxygen pipeline and secondary pure oxygen pipeline；
Flue gas pipeline, one end of described flue gas pipeline is exposed in described burner hearth, and the other end is connected with described secondary pure oxygen pipeline.
2. pure oxygen combustor according to claim 1 is it is characterised in that described breather also includes running through described ventilation
The burning torch installing port of device, and it is arranged on automatic ignition device and the fire monitor equipment of described burning torch installing port.
3. pure oxygen combustor according to claim 1 it is characterised in that described gaspipe line be annulus line, described ring
Shape pipeline surrounds a described pure oxygen pipeline.
4. pure oxygen combustor according to claim 3 it is characterised in that described secondary pure oxygen pipeline quantity be 6,6
Individual secondary pure oxygen pipeline is rounded to be distributed in described annulus line periphery.
5. pure oxygen combustor according to claim 1 is it is characterised in that the diameter of described pure oxygen inlet pipeline is all higher than institute
State the diameter of a pure oxygen pipeline and the diameter of secondary pure oxygen pipeline.
6. pure oxygen combustor according to claim 1 it is characterised in that described gas entry pipeline with diameter greater than described
The diameter of gaspipe line.
7. pure oxygen combustor according to claim 1 it is characterised in that a described pure oxygen pipeline, secondary pure oxygen pipeline,
And regulating valve is equipped with gaspipe line.
8. pure oxygen combustor according to claim 1 connects it is characterised in that being additionally provided with flange on described breather
Portion, described burner hearth is fixed on described flange connecting portion by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947523.6A CN106402859A (en) | 2016-10-26 | 2016-10-26 | Pure-oxygen combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947523.6A CN106402859A (en) | 2016-10-26 | 2016-10-26 | Pure-oxygen combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402859A true CN106402859A (en) | 2017-02-15 |
Family
ID=58013810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947523.6A Pending CN106402859A (en) | 2016-10-26 | 2016-10-26 | Pure-oxygen combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789637A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Pure oxygen combustor capable of controlling flame shape and temperature |
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| CN104296142A (en) * | 2014-09-28 | 2015-01-21 | 东北大学 | Fuel gas flame-free pure oxygen burner |
| CN206176368U (en) * | 2016-10-26 | 2017-05-17 | 上海安可科技股份有限公司 | Pure oxygen combustor |
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2016
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| CN102261651A (en) * | 2011-07-28 | 2011-11-30 | 王立臣 | Oxygen-enriched burner and combustion method thereof |
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| CN115789637A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Pure oxygen combustor capable of controlling flame shape and temperature |
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