CN104296133B - A kind of low heat value solid powder burner - Google Patents
A kind of low heat value solid powder burner Download PDFInfo
- Publication number
- CN104296133B CN104296133B CN201410593071.7A CN201410593071A CN104296133B CN 104296133 B CN104296133 B CN 104296133B CN 201410593071 A CN201410593071 A CN 201410593071A CN 104296133 B CN104296133 B CN 104296133B
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- Prior art keywords
- combustion
- solid powder
- housing
- air
- combustion adjuvant
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
A kind of low heat value solid powder burner, it includes housing and is fixedly arranged at the feeding pipe of shell end, it is structurally characterized in that, housing is hollow tubular structure, feeding pipe is connected with housing, one end that housing is connected with feeding pipe is additionally provided with air pipe device, the combustion adjuvant input unit for being passed through combustion adjuvant and the pulse igniter for lighting a fire for providing combustion air, and one end that pulse igniter is located in housing is connected with the dispersion cap for being diffused in the diverging of the mixture of combustion air, combustion adjuvant and solid powder in the burning cavity of housing.The present invention is automatically controlled using PLC, and combustion air and auxiliary fuel consumption do not need manual intervention；It is combustion-supporting using tangential swirl combustion air twice, flameholding, efficiently, it is ensured that low heat value material self-sustaining burning.It can realize carrying out large solid powder such as coal slime, sludge incineration disposal, and make full use of the calorific value of solid powder, realize the recycling of solid waste.
Description
Technical field
The present invention relates to powder combustion device, more particularly to a kind of low heat value solid powder burner.
Background technology
In industrial production, substantial amounts of low heat value solid powder can be usually produced, it is especially low as representative with sludge, coal slime
Calorific value solid powder, the characteristics of it has discharge capacity and huge volume of cargo in storage；If these calorific value solid powders timely can not be obtained everywhere
Reason, not only occupies the land resource of preciousness, is also easy to cause the pollution of environment；Method of disposal rapidly and efficiently is there is no at present,
And traditional landfill, means are stored up because many critical defects are gradually forbidden.
Low heat value solid powder is in itself a kind of resource, if can effectively process, can not only eliminate its environmental pollution, also
Can be that industrial production and building provide suitable raw material.At present using burning treatment low heat value solid powder, conventional burning sets
It is standby mainly to have coal burner, fluidized-bed combustion boiler etc., such as low calorie fuels disclosed in Chinese patent ZL201320330966.2
Combustor,, in lower heat of combustion material, it is necessary to substantial amounts of high heating value material, and auxiliary without material mixing is set, combustion for it
Burning process can not be carried out fully；Therefore, existing equipment is extremely low, it is necessary to substantial amounts of auxiliary to the treatment effeciency of low heat value solid powder
Fuel, and it is extremely insufficient to burn, solid powder that nearly all can not be to calorific value in below 2000kcal/kg is processed.It is existing
Low heat value solid powder combustion apparatus has following main technical disadvantages：1st, to the powder of below 2000kcal/kg almost
Self-sustaining burning is unable to, substantial amounts of auxiliary fuel need to be consumed.2nd, burning not enough fully, has a large amount of calorific values to utilize.3rd, burn fire
Flame temperature is low, generally less than 1000 DEG C.4th, portioning requirement is evaporated into solid material high, typically not above 30%.5th, to water
Divide content requirement high, typically require not above 5%.This exactly limits the technology bottle of combustion method treatment low heat value solid powder
Neck, and there is presently no effective solution route.
The content of the invention
It is an object of the invention to provide a kind of low heat value solid powder burner, it has burning treatment effeciency high, right
The low and easy to control advantage of low heat value solid, powdery requirement.
The present invention is achieved like this, a kind of low heat value solid powder burner, and it includes housing and is fixedly arranged at
The feeding pipe of shell end, it is structurally characterized in that, the housing is hollow tubular structure, and feeding pipe is connected with housing, institute
State housing be connected with feeding pipe one end be additionally provided with for combustion air is provided air pipe device, for being passed through the combustion-supporting of combustion adjuvant
Agent input unit and the pulse igniter for lighting a fire, one end that pulse igniter is located in housing is connected with for by combustion-supporting sky
The mixture diverging of gas, combustion adjuvant and solid powder is diffused in the dispersion cap in the burning cavity of housing.The burning cavity sets
Have and be close to the refractory masses of inner walls.
The combustion adjuvant input unit includes that what the combustion adjuvant outer tube that is sleeved on outside feeding pipe connected with combustion adjuvant outer tube helps
Combustion agent enter pipe and be connected to combustion adjuvant on pipe for controlling the combustion adjuvant valve of combustion-supporting agent flux.When combustion adjuvant is being helped
Enter combustion adjuvant outer tube into pipe by combustion adjuvant under the control for firing agent valve, now combustion adjuvant is with the solid powder in feeding pipe
Isolation, mixed until both are passed into pulse igniter, this concentrated combustion beneficial to material, it is to avoid heat point
Dissipate.
The air pipe device includes the air main that current stabilization airduct, eddy flow airduct and one end are connected with burning cavity, main
Air main part between airduct and burning cavity is also connected with the main combustion-supporting valve for controlling combustion air flow；The current stabilization
One end of airduct and one end of eddy flow airduct are connected with air main successively, the other end of current stabilization airduct be sleeved on outside combustion adjuvant
Current stabilization outer tube outside pipe is connected, and the other end of eddy flow airduct is connected with the pulse igniter being sleeved on outside current stabilization outer tube；Institute
State and current stabilization valve and eddy flow valve that control is passed through air quantity are respectively provided with current stabilization airduct and eddy flow airduct；The pan feeding
Pipe, combustion adjuvant outer tube and current stabilization outer tube are located at open-ended in pulse igniter and connect.
A part of combustion air in air pipe device is entered in current stabilization outer tube by the control of current stabilization valve through current stabilization airduct,
Form parallel airflow；A part of combustion air is entered in pulse igniter by the control of eddy flow valve through eddy flow airduct, is formed
The air-flow of rotation；Parallel airflow and swirling eddy are isolation in pipe, until parallel airflow and swirling eddy reach solid powder
At the mixing of material and combustion adjuvant, sprayed by high pressure；Under the disturbance of parallel airflow and swirling eddy, solid powder and combustion adjuvant are mixed
Close highly uniform, now pulse igniter control igniting, under the drive of swirling eddy, solid powder and combustion adjuvant rotation are expanded
Dissipate, also increase the burning time of powder.Come from the air-flow in the entrance burning cavity of air main, can further increase solid
Powder and the uniformity of combustion adjuvant mixing, improve the efficiency of burning.
Preferably：The pulse igniter just to being provided with flare at feeding pipe, in T-shaped dispersion cap position
In in flare, and with flare dimensional fits.From pulse igniter high pressure spray solid powder, combustion adjuvant with
And the homogeneous mixture of combustion air is injected in burning cavity by dispersion cap diverging；The design of dispersion cap is beneficial to the equal of mixture
Even diffusion, fully burning of being burnt in burning cavity.
Preferably：The low heat value solid powder burner also includes PLC automatic control system, and it is included for visiting
The sensor of temperature, pressure and solid powder, combustion air and combustion-supporting agent flux in device is surveyed, for performing control command
Valve control device and the controller being connected between sensor and valve control device.PLC automatic control system can be with root
The flow of solid powder, combustion air and combustion adjuvant is easily controlled according to program setting, temperature, pressure in real time monitoring apparatus
Deng to realize best combustion efficiency.
Beneficial effects of the present invention are：The present invention is automatically controlled using PLC, and combustion air and auxiliary fuel consumption are not required to very important person
Work is intervened；It is combustion-supporting using tangential swirl combustion air twice, flameholding, efficiently, it is ensured that low heat value material self-sustaining burning.Its device
Itself also has compact conformation, safeguards simply and easily advantage, and the present invention is capable of achieving to enter large solid powder such as coal slime, sludge
Row incineration disposal, and the calorific value of solid powder is made full use of, realize the recycling of solid waste.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure, 1, refractory masses 2, housing 3, main combustion-supporting valve 4, air main 5, current stabilization valve 6, steady
Stream airduct 7, eddy flow valve 8, eddy flow airduct 9, pulse igniter 10, combustion adjuvant enter pipe 11, combustion adjuvant valve
12nd, feeding pipe 13, dispersion cap 14, combustion adjuvant outer tube 15, current stabilization outer tube 16, burning cavity.
Specific embodiment
Specific embodiment of the invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention is achieved like this, it includes housing 2 and is fixedly arranged at the feeding pipe of the end of housing 2
12, it is structurally characterized in that, the housing 2 is hollow tubular structure, and feeding pipe 12 is connected with housing 2, and the housing 2 is connected
The one end for having feeding pipe 12 is additionally provided with air pipe device, the combustion adjuvant input dress for being passed through combustion adjuvant for providing combustion air
Put and for light a fire pulse igniter 9, pulse igniter 9 be located at housing 2 in one end be connected with for by combustion air, help
The mixture diverging of combustion agent and solid powder is diffused in the dispersion cap 13 in the burning cavity 16 of housing 2.The burning cavity 16
It is provided with the refractory masses 1 for being close to the inwall of housing 2.
The combustion adjuvant input unit includes that the combustion adjuvant outer tube 14 being sleeved on outside feeding pipe 12 and combustion adjuvant outer tube 14 connect
Logical combustion adjuvant into pipe 10 and be connected to combustion adjuvant on pipe 10 for controlling the combustion adjuvant valve 11 of combustion-supporting agent flux.
When under control of the combustion adjuvant in combustion adjuvant valve 11 by combustion adjuvant enter pipe 10 enter combustion adjuvant outer tube 14, now combustion adjuvant with enter
Solid powder in expects pipe 12 is isolation, is mixed until both are passed into pulse igniter 9, this collection beneficial to material
Middle burning, it is to avoid the dispersion of heat.
The air pipe device includes the air main that current stabilization airduct 6, eddy flow airduct 7 and one end are connected with burning cavity 16
4, the part of air main 4 between air main 4 and burning cavity 16 is also connected with the main combustion-supporting valve for controlling combustion air flow
3；One end of the current stabilization airduct 6 and one end of eddy flow airduct 7 are connected with air main 4 successively, the other end of current stabilization airduct 6 with
The current stabilization outer tube 15 being sleeved on outside combustion adjuvant outer tube 14 is connected, the other end of eddy flow airduct 7 be sleeved on outside current stabilization outer tube 15
Pulse igniter be connected；The flow stabilizing valve that control is passed through air quantity is respectively provided with the current stabilization airduct 6 and eddy flow airduct 7
Door 5 and eddy flow valve 7；Open the end that the feeding pipe 12, combustion adjuvant outer tube 14 and current stabilization outer tube 15 are located in pulse igniter 9
Mouth is simultaneously connected.A part of combustion air is entered in current stabilization outer tube 15 by the control of current stabilization valve 5 through current stabilization airduct 6, forms flat
Promoting the circulation of qi stream；A part of combustion air is entered in pulse igniter 9 by the control of eddy flow valve 7 through eddy flow airduct 7, forms rotation
Air-flow；Parallel airflow and swirling eddy are isolation in pipe, until parallel airflow and swirling eddy reach solid powder with
At the mixing of combustion adjuvant, sprayed by high pressure；Under the disturbance of parallel airflow and swirling eddy, solid powder and combustion adjuvant mixing are non-
It is often uniform, the now control of pulse igniter 9 igniting, under the drive of swirling eddy, solid powder and combustion adjuvant Rotational diffusion,
Increased the burning time of powder.Come from the air-flow in the entrance burning cavity 16 of air main 4, can further increase solid powder
Material and the uniformity of combustion adjuvant mixing, improve the efficiency of burning.
The pulse igniter 9 is located at loudspeaker just to being provided with flare at feeding pipe 12 in T-shaped dispersion cap 13
In shape enlarging, and with flare dimensional fits.From the high pressure of pulse igniter 9 spray solid powder, combustion adjuvant and
The homogeneous mixture of combustion air is injected in burning cavity 16 by the diverging of dispersion cap 13；The design of dispersion cap 13 is beneficial to mixture
Uniform diffusion, the burning fully burning in the burning cavity 16.
The low heat value solid powder burner also includes PLC automatic control system, and it is included in detection device
The sensor of temperature, pressure and solid powder, combustion air and combustion-supporting agent flux, the Valve controlling for performing control command
Device and the controller being connected between sensor and valve control device.PLC automatic control system can set according to program
The flow of fixed easily control solid powder, combustion air and combustion adjuvant, temperature, pressure etc. in real time monitoring apparatus, with reality
Existing best combustion efficiency；The particular location of sensor is the temperature and air pressure for being located at burning cavity 16 in PLC automatic control system
Sensor, the mass flow rate sensing in feeding pipe 12, positioned at combustion adjuvant enter pipe 10 in combustion adjuvant flow sensor,
Combustion air flow and baroceptor in current stabilization airduct 6, eddy flow airduct 7 and air main 4 etc., the sensor connect
Controller is connected to, controller controls current stabilization valve 5, eddy flow valve by valve control device in real time according to setting combustion parameter
7th, the valve that main combustion-supporting valve 3, combustion adjuvant valve 11 and control powder enter；The optimal combustion that realization is matched with controller parameter
Condition during burning is combined with component.
Operation principle of the invention and production implementation process are such.
The present apparatus can be used to lower heat of combustion solid, powdery material, such as sludge, coal slime, it be adapted to moisture content 30% with
Under solid, powdery material, volatile content solid, powdery material below 40%, be adapted to calorific value 1000kcal/kg-
Solid, powdery material of the solid granular material and the ash content of coal of 2000kcal/kg below 50%.Its combustion flame temperature is reachable
More than 1000 DEG C, sludge calorific value utilization rate is up to more than 95%.
Its specific work process is：Low heat value solid powder enters in combustion apparatus under air-flow drive from feeding pipe 12,
Pan feeding stream pressure is general in more than 5kPa, combustion-supporting to enter from air main 4, and combustion-supporting wind pressure is general in more than 20kPa.Combustion air
Enter combustion apparatus from three passages, respectively current stabilization airduct 6 and current stabilization valve 5, eddy flow airduct 8 and eddy flow valve 7, master are combustion-supporting
Valve 3.Combustion adjuvant can enter combustion apparatus by combustion adjuvant into pipe 10 and combustion adjuvant valve 11.Pulse igniter 9 is located at thing
Material porch, plays ignition action.Combustion apparatus head is mainly made up of housing 2 and refractory masses 1, plays support and protects
Effect.After low heat value solid powder sprays into combustion apparatus through feeding pipe 12, under the effect of dispersion cap 13, it is in burning cavity 16
Divergent shape is spread, and diffusion mode is transformed to Rotational diffusion by its diffusion process in the presence of from Whirl deposite tank and Parallel airflow
Or DIFFUSION IN TURBULENCE, the combustion air entered into burning cavity 16 through main combustion-supporting valve 3 in whole diffusion process can be to diffusing through
Eddy flow in journey plays booster action, promotes powder Rotational diffusion in combustion, further increases the burning of powder
Time, improve combustibility.
Claims (4)
1. a kind of low heat value solid powder burner, it includes housing (2) and is fixedly arranged at the feeding pipe of housing (2) end
(12), it is characterised in that the housing (2) is hollow tubular structure, feeding pipe (12) is connected with housing (2), the shell
Body (2) be connected with feeding pipe (12) one end be additionally provided with for combustion air is provided air pipe device, for being passed through combustion adjuvant
Combustion adjuvant input unit and the pulse igniter (9) for lighting a fire, the one end of pulse igniter (9) in housing (2) connect
Have for the mixture diverging of combustion air, combustion adjuvant and solid powder to be diffused in the burning cavity of housing (2) (16)
Dispersion cap (13)；
The air pipe device includes the main wind that current stabilization airduct (6), eddy flow airduct (8) and one end are connected with burning cavity (16)
Pipe (4), air main (4) part between air main (4) and burning cavity (16) is also connected with for controlling combustion air flow
Main combustion-supporting valve (3)；
One end of the current stabilization airduct (6) and one end of eddy flow airduct (8) are connected with air main (4) successively, current stabilization airduct (6)
The other end be connected with combustion adjuvant outer tube (14) current stabilization outer tube (15) outward is sleeved on, the other end of eddy flow airduct (8) and set
It is connected mounted in current stabilization outer tube (15) pulse igniter outward；Use is respectively equipped with the current stabilization airduct (6) and eddy flow airduct (8)
The current stabilization valve (5) and eddy flow valve (7) of air quantity are passed through in control；
The feeding pipe (12), combustion adjuvant outer tube (14) and current stabilization outer tube (15) are open-ended in pulse igniter (9)
And connect；
The pulse igniter (9) is just provided with flare to feeding pipe (12) place, is located in T-shaped dispersion cap (13)
In flare, and with flare dimensional fits.
2. low heat value solid powder burner as claimed in claim 1, it is characterised in that the combustion adjuvant input unit bag
Include be sleeved on the combustion adjuvant that feeding pipe (12) combustion adjuvant outer tube (14) outward connects with combustion adjuvant outer tube (14) enter pipe (10) with
And the combustion adjuvant valve (11) for controlling combustion-supporting agent flux is connected on combustion adjuvant entrance pipe (10).
3. low heat value solid powder burner as claimed in claim 1, it is characterised in that the burning cavity (16) is provided with
It is close to the refractory masses (1) of housing (2) inwall.
4. low heat value solid powder burner as claimed in claim 1, it is characterised in that the low heat value solid powder combustion
Burning device also includes PLC automatic control system, and it is included for temperature, pressure and solid powder, combustion air in detection device
And the sensor of combustion-supporting agent flux, for performing the valve control device of control command and being connected to sensor and valve control
Controller between device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593071.7A CN104296133B (en) | 2014-10-28 | 2014-10-28 | A kind of low heat value solid powder burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593071.7A CN104296133B (en) | 2014-10-28 | 2014-10-28 | A kind of low heat value solid powder burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104296133A CN104296133A (en) | 2015-01-21 |
| CN104296133B true CN104296133B (en) | 2017-06-06 |
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ID=52315975
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593071.7A Active CN104296133B (en) | 2014-10-28 | 2014-10-28 | A kind of low heat value solid powder burner |
Country Status (1)
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| CN (1) | CN104296133B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627328B (en) * | 2016-03-17 | 2017-09-26 | 北京建筑材料科学研究总院有限公司 | A kind of cement kiln solidification disposal of waste oxygen-enriched burner |
| CN107228355A (en) * | 2017-08-02 | 2017-10-03 | 安徽海螺集团有限责任公司 | A kind of low heat value combustible combustion device and the method for fuel combustion |
| CN111895389A (en) * | 2020-07-24 | 2020-11-06 | 西北工业大学 | Device and method for organizing metal powder through stable combustion |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010047554A (en) * | 1999-11-22 | 2001-06-15 | 윤영석 | Pulverized coal burner |
| US7074034B2 (en) * | 2004-06-07 | 2006-07-11 | Air Products And Chemicals, Inc. | Burner and process for combustion of a gas capable of reacting to form solid products |
| CN2878935Y (en) * | 2006-04-11 | 2007-03-14 | 王立臣 | Clean burner using coal instead of oil |
| CN102230630B (en) * | 2011-06-03 | 2013-01-16 | 芜湖三峰节能设备有限公司 | Hot blast stove for burning waste gas |
| CN102620292A (en) * | 2012-04-23 | 2012-08-01 | 哈尔滨工业大学 | High-temperature oxygen-rich igniting flame stabilizer for pulverized coal |
| CN204187612U (en) * | 2014-10-28 | 2015-03-04 | 山东博润工业技术股份有限公司 | A kind of low heat value solid powder burner |
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2014
- 2014-10-28 CN CN201410593071.7A patent/CN104296133B/en active Active
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| CN104296133A (en) | 2015-01-21 |
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Effective date of registration: 20191213 Address after: No. 369, Yumin Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong Borun Environmental Protection Technology Co., Ltd Address before: 255000 Shandong province Zibo City Yumin Road hi tech Development Zone No. 169 Patentee before: Shandong Borun Process Industrial Technology Corp., Ltd. |
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