CN203203024U - Environment-friendly and energy-saving coal-injection combustion apparatus - Google Patents
Environment-friendly and energy-saving coal-injection combustion apparatus Download PDFInfo
- Publication number
- CN203203024U CN203203024U CN 201320114989 CN201320114989U CN203203024U CN 203203024 U CN203203024 U CN 203203024U CN 201320114989 CN201320114989 CN 201320114989 CN 201320114989 U CN201320114989 U CN 201320114989U CN 203203024 U CN203203024 U CN 203203024U
- Authority
- CN
- China
- Prior art keywords
- coal
- powder injection
- environmental protection
- energy saving
- burner
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model provides an environment-friendly and energy-saving coal-injection combustion apparatus, comprising a boiler and a coal bunker. The combustion apparatus is characterized by also comprising a micron mill, wherein a feeding hole of the micron mill is connected with coal conveying equipment which is connected with the coal bunker, a discharging hole of the micron mill is connected with a powder injection pipeline, and the other end of the powder injection pipeline is connected with a combustion nozzle in a combustion chamber of the boiler. By adopting the horizontal micron mill, an automatic control system and the swirl nozzle in a scientific design, the combustion apparatus has the advantages of automatic control on coal feeding, automatic adjustment on powder injection amount, small size, high reliability, convenience in installation, maintenance and use, low running cost, low energy consumption, long conveying distance and the like, the replacement of quick-wear parts is convenient, transformation can be realzied without changing the main structure of a conventional chain type boiler.
Description
Technical field
The utility model relates to the burner that uses on a kind of Industrial Boiler or the drying kiln, specifically, relates to a kind of environmental protection and energy saving coal powder injection burner.
Background technology
The Industrial Boiler of China mainly is common combustion system at present, and the utilization ratio of coal is lower, generally can not surpass 70%.Pulverized coal combustion can increase substantially the utilization ratio of coal, have advantages of preferably energy-saving and environmental protection, reduce dust emission amount, can reach energy-saving and emission-reduction, reduce the effect of polluting, be promoted, the ironmaking link of large-scale steel mill is so far also in extensive utilization.Powder process, conveying and the dusting device that just must possess concrete practicality after pulverized coal combustion refers on the mediumand smallscale industrial boilers.Similar equipment component has appearred in the market.But ubiquity uses inconvenience is installed, service life is excessively low, only 15 days to 30 days, can not satisfy normal production and application, and have a strong impact on the popularization of compound burning technology.
The utility model content
The purpose of this utility model is to overcome the weak point of above-mentioned conventional art, provide a kind of not changing boiler any structure and the situation of former boiler characteristics under increase substantially coal utilization ratio, realize economizing on coal, reducing a kind of environmental protection and energy saving coal powder injection burner of nitrogen oxide and sulfur dioxide (SO2) emissions.
The purpose of this utility model reaches by following technical measures:
A kind of environmental protection and energy saving coal powder injection burner, comprise boiler and coal bunker, it is characterized in that: also comprise micropowder grinding, the charging aperture of described micropowder grinding is connected with coal handling plant, described coal handling plant is connected with coal bunker, the discharging opening of described micropowder grinding is connected with the pipeline that dusts, and the other end of the described pipeline that dusts is connected with burner noz(zle), and described burner noz(zle) is arranged in the combustion chamber of boiler.Micropowder grinding is the abbreviation of high-pressure micronizer powder machine, mainly is applicable to grinding of conventional material, such as the superfine powder processing of the materials such as coal, active carbon, bentonite, potter's clay, carbon black, kaolin, lime stone, calcite.In the utility model, the coal that lumpiness and moisture are qualified is put coal bunker into, by coal handling plant coal is transported to micropowder grinding and carries out fragmentation and become coal dust, and coal dust sprays into the combustion chamber internal combustion of boiler by the stokehold of the Pipeline transport that dusts through the burner noz(zle) eddy flow.The utility model carries out stokehold nonstick system of control powder, conveying and spray combustion in the situation of any structure that does not change boiler and former boiler characteristics, be characterized in the fire grate burning of chain-grate boiler and the burning of dusting are organically combined, share on a stove, utilize each other, maximize favourable factors and minimize unfavourable ones.In combustion process, coal dust is lighted by the fire grate grate, the moment burning, and the thermal-flame that coal dust firing forms improves rapidly fire box temperature.At this moment the efficiency of combustion of coal dust can reach more than 98%, simultaneously can strengthen again the burning in fire grate coal seam, and therefore, this compound combustion mode effect more than 15% that can realize economizing on coal reduces the discharging of nitrogen oxide and sulfur dioxide simultaneously.
As a kind of improvement, described micropowder grinding is electrically connected with automatic control system.Can realize stokehold nonstick system of control powder, conveying by automatic control system, significantly alleviate intensity and the difficulty of manpower work.Automatic control system can also realize easily that fineness of pulverized coal is adjustable, by adjusting the size of intake, adjusts the fineness of coal dust, satisfies the demand of various operating modes.
As a kind of improvement, described coal handling plant is provided with the frequency conversion metering device.
As a kind of improvement, described automatic control system is electrically connected with the frequency conversion metering device.The coal amount that the frequency conversion metering device is carried coal handling plant is more easily measured, and can better control by automatic control system the input quantity of coal, satisfies the demand of various operating modes.
As a kind of improvement, described coal handling plant is provided with tramp iron separator.Tramp iron separator can be selected removing with the irony foreign material that mix in the coal, avoids it to the micropowder grinding injury.
As a kind of preferred version, described tramp iron separator is electric magnetic iron remover or permanent magnet tramp iron separator.Electric magnetic iron remover magnetic force is strong, and is effective, but need to consume electric energy; Permanent magnet tramp iron separator de-ferrous effect is poor, but does not have other energy resource consumption.
As a kind of preferred version, described burner noz(zle) is the spiral-flow type burner noz(zle).Form eddy flow when the spiral-flow type burner noz(zle) can make pulverized coal injection go out, reach better combustion efficiency, programming rate reduces the generation discharging of nitrogen oxide and sulfur dioxide faster.
As a kind of preferred version, described micropowder grinding is Horizontal micronizer.Horizontal micronizer is another patent of our company, has longer service life, and to coal lumpiness and moisture require low, also farther to the fed distance of coal dust.
As a kind of improvement, the end that the described pipeline that dusts is connected with discharging opening is provided with coal even separator.Coal even separator can evenly divide the coal dust of micropowder grinding output by the pipeline that dusts delivers to different boilers.
As a kind of improvement, described coal even separator has a plurality of outlets, and a described outlet is connected with a burner noz(zle) by the pipeline that dusts.In the boiler burner noz(zle) can be set, can make a micropowder grinding linking number platform boiler by coal even separator, make transformation, use, the maintenance cost of conventional chain type boiler low.
Owing to having adopted technique scheme, compared with prior art, having the utility model has the advantages that:
The utility model is by adopting the swirl nozzle design of Horizontal micronizer, automatic control system, science in the device, have and automatically to control coal, automatically regulate the amount of dusting, equipment volume is little, and reliability is high, installation and maintenance are easy to use, can transform in the situation that does not change conventional chain type boiler agent structure, operating cost is low, consumes energy low, the advantages such as fed distance is far away, and the replacing consumable accessory is quick.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of environmental protection and energy saving coal powder injection of the utility model burner;
Accompanying drawing 2 is structural representations of a kind of environmental protection and energy saving coal powder injection of the utility model burner;
Accompanying drawing 3 is structural representations of a kind of environmental protection and energy saving coal powder injection of the utility model burner.
The specific embodiment
Embodiment: such as accompanying drawing 1 to shown in the accompanying drawing 3, a kind of environmental protection and energy saving coal powder injection burner, comprise boiler 1, coal bunker 9 and micropowder grinding 6, in the present embodiment, boiler 1 is two, and the charging aperture of micropowder grinding 6 is connected with coal handling plant 8, coal handling plant 8 is connected with coal bunker 9, the discharging opening of micropowder grinding 6 is connected with the pipeline 4 that dusts, and the other end of the pipeline 4 that dusts is connected with burner noz(zle) 3, and burner noz(zle) 3 is arranged in the combustion chamber 2 of boiler 1.Not shown coal bunker 9 and coal handling plant 8 in the accompanying drawing 1.
As shown in Figure 2, micropowder grinding 6 is electrically connected with automatic control system 10.Can realize stokehold nonstick system of control powder, conveying by automatic control system 10, significantly alleviate intensity and the difficulty of manpower work.Automatic control system 10 can also realize easily that fineness of pulverized coal is adjustable, by adjusting the size of intake, adjusts the fineness of coal dust, satisfies the demand of various operating modes.
In the present embodiment, coal handling plant 8 is provided with the frequency conversion metering device; Automatic control system 10 is electrically connected with the frequency conversion metering device.The coal amount that the frequency conversion metering device is carried coal handling plant 8 is more easily measured, and can better control by automatic control system 10 input quantity of coal, satisfies the demand of various operating modes.Not shown frequency conversion metering device in the accompanying drawing.
As shown in Figure 2, coal handling plant 8 is provided with electric magnetic iron remover 7.Electric magnetic iron remover 7 magnetic force are strong, and are effective, the irony foreign material that mix in the coal can be selected removing, avoid it to micropowder grinding 6 injuries.Also can adopt the permanent magnet tramp iron separator.
In the present embodiment, burner noz(zle) 3 is the spiral-flow type burner noz(zle).Form eddy flow when the spiral-flow type burner noz(zle) can make pulverized coal injection go out, reach better combustion efficiency, programming rate reduces the generation discharging of nitrogen oxide and sulfur dioxide faster.
To shown in the accompanying drawing 3, micropowder grinding 6 is Horizontal micronizer such as accompanying drawing 1.Horizontal micronizer is another patent of our company, has longer service life, and to coal lumpiness and moisture require low, also farther to the fed distance of coal dust.
To shown in the accompanying drawing 3, the end that the pipeline 4 that dusts is connected with discharging opening is provided with coal even separator 5 such as accompanying drawing 1.In the present embodiment, coal even separator 5 has two outlets, and an outlet is connected with a burner noz(zle) 3 by the pipeline 4 that dusts, and boiler 1 is interior to arrange a burner noz(zle) 3.Coal even separator 5 can evenly divide the coal dust of micropowder grinding 6 outputs by the pipeline 4 that dusts delivers to different boiler 1.Can make a micropowder grinding 6 connect two even more boilers 1 by coal even separator, make transformation, use, the maintenance cost of conventional chain type boiler drop to minimum.
Using method: put lumpiness and the qualified coal of moisture into coal bunker 9, coal handling plant 8 by having the frequency conversion metering device is transported to micropowder grinding 6 to coal to carry out fragmentation and becomes coal dust, coal dust is transported to the stokehold by coal even separator 5 and the pipeline 4 that dusts successively, sprays into combustion chamber 2 internal combustion of boiler 1 through burner noz(zle) 3 eddy flows.
Claims (10)
1. environmental protection and energy saving coal powder injection burner, comprise boiler (1) and coal bunker (9), it is characterized in that: also comprise micropowder grinding (6), the charging aperture of described micropowder grinding (6) is connected with coal handling plant (8), described coal handling plant (8) is connected with coal bunker (9), the discharging opening of described micropowder grinding (6) is connected with the pipeline that dusts (4), the other end of the described pipeline that dusts (4) is connected with burner noz(zle) (3), and described burner noz(zle) (3) is arranged in the combustion chamber (2) of boiler (1).
2. a kind of environmental protection and energy saving coal powder injection burner according to claim 1, it is characterized in that: described micropowder grinding (6) is electrically connected with automatic control system (10).
3. a kind of environmental protection and energy saving coal powder injection burner according to claim 2, it is characterized in that: described coal handling plant (8) is provided with the frequency conversion metering device.
4. a kind of environmental protection and energy saving coal powder injection burner according to claim 3, it is characterized in that: described automatic control system (10) is electrically connected with the frequency conversion metering device.
5. a kind of environmental protection and energy saving coal powder injection burner according to claim 1, it is characterized in that: described coal handling plant (8) is provided with tramp iron separator.
6. a kind of environmental protection and energy saving coal powder injection burner according to claim 5, it is characterized in that: described tramp iron separator is electric magnetic iron remover (7) or permanent magnet tramp iron separator.
7. according to claim 1 to 6 one of them described a kind of environmental protection and energy saving coal powder injection burner, it is characterized in that: described burner noz(zle) (3) is the spiral-flow type burner noz(zle).
8. according to claim 1 to 6 one of them described a kind of environmental protection and energy saving coal powder injection burner, it is characterized in that: described micropowder grinding (6) is Horizontal micronizer.
9. according to claim 1 to 6 one of them described a kind of environmental protection and energy saving coal powder injection burner, it is characterized in that: the end that the described pipeline that dusts (4) is connected with discharging opening is provided with coal even separator (5).
10. a kind of environmental protection and energy saving coal powder injection burner according to claim 9, it is characterized in that: described coal even separator (5) has a plurality of outlets, and a described outlet is connected with a burner noz(zle) (3) by the pipeline that dusts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114989 CN203203024U (en) | 2013-03-02 | 2013-03-02 | Environment-friendly and energy-saving coal-injection combustion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114989 CN203203024U (en) | 2013-03-02 | 2013-03-02 | Environment-friendly and energy-saving coal-injection combustion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203024U true CN203203024U (en) | 2013-09-18 |
Family
ID=49147129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114989 Expired - Fee Related CN203203024U (en) | 2013-03-02 | 2013-03-02 | Environment-friendly and energy-saving coal-injection combustion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322364A (en) * | 2015-07-03 | 2017-01-11 | 邹人养 | Grate-fired furnace and kiln mixed combustion system |
-
2013
- 2013-03-02 CN CN 201320114989 patent/CN203203024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322364A (en) * | 2015-07-03 | 2017-01-11 | 邹人养 | Grate-fired furnace and kiln mixed combustion system |
| CN106322364B (en) * | 2015-07-03 | 2019-03-08 | 邹人养 | A kind of layer of burner, kiln are mixed and burned system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102840593B (en) | Fume dried lignite medium speed mill powder-making system | |
| CN104086107A (en) | Method of comprehensively utilizing precipitator ash and slag of calcium carbide furnace | |
| CN103234215A (en) | Blended pulverized coal combustion control device and method | |
| CN103834755A (en) | Pulverized coal preheating technique of blast furnace coal injection system | |
| CN208475369U (en) | Coal-burning boiler pulverized coal preparation system | |
| CN104089296B (en) | Integrate powder process storage powder for the rotary-type pulverized coal combustion system of powder and temperature controllable | |
| CN203203024U (en) | Environment-friendly and energy-saving coal-injection combustion apparatus | |
| CN102213422B (en) | Multi-channel mixed gas burner | |
| CN204730187U (en) | A kind of efficient economizing fluidized-bed combustion boiler | |
| CN204058570U (en) | The change system of a kind of vanadium extraction bone coal desulphurizing roasting and cogeneration | |
| CN111365718A (en) | Novel fluidized bed adiabatic incinerator for dried sludge and treatment method | |
| CN203323529U (en) | Energy-saving and emission-reducing system based on raw coal drying | |
| CN202470049U (en) | Biomass powder cyclone burning device | |
| CN206861572U (en) | A kind of semi-coke integrated combustion system | |
| CN202392781U (en) | Power generating boiler of circulating fluidized bed for co-combustion of industrial waste residue | |
| CN211372390U (en) | Fluidized bed furnace device for producing tail gas and coal powder by using carbide furnace | |
| CN102654283B (en) | Cyclone combustion system for coal slag powder | |
| CN202032584U (en) | Multi-channel mixed gas combustor | |
| CN208279643U (en) | A kind of coal powder injection apparatus of blast furnace | |
| CN201221760Y (en) | Fire coal type boiler coal fines blowing combustion apparatus | |
| CN201706494U (en) | Gas burner | |
| CN201482545U (en) | Swirling flow impact pulverizer | |
| CN105135418A (en) | Mixed combustion type vertical hot wind equipment | |
| CN202915390U (en) | Dense phase pneumatic powder feeding system device of boiler | |
| CN205528868U (en) | Blast furnace gas uses multipurposely facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Environment-friendly and energy-saving coal-injection combustion apparatus Effective date of registration: 20170104 Granted publication date: 20130918 Pledgee: Bank of Weifang, Limited by Share Ltd, Weifang hope branch Pledgor: Shandong Branch General Machinery Co., Ltd.|Mou Yize Registration number: 2016980000312 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20190302 |