CN201731480U - Boiler suspension combustion device and boiler provided with same - Google Patents
Boiler suspension combustion device and boiler provided with same Download PDFInfo
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- CN201731480U CN201731480U CN2010202744225U CN201020274422U CN201731480U CN 201731480 U CN201731480 U CN 201731480U CN 2010202744225 U CN2010202744225 U CN 2010202744225U CN 201020274422 U CN201020274422 U CN 201020274422U CN 201731480 U CN201731480 U CN 201731480U
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Abstract
The utility model discloses a boiler suspension combustion device and a boiler provided with same, wherein the boiler suspension combustion device comprises a coal feeder, a conveyer, a coal mill and a burner, wherein the coal inlet end of the conveyer is connected with an outlet of the coal feeder, and the coal outlet end thereof is connected with a coal milling inlet of the coal mill; the burner is communicated with a coal dust output port of the coal mill; and the combustion device is characterized in that an external boiler tail gas exhaust tube is led into the coal milling cavity of the coal mill. The utility model also discloses a boiler provided with the combustion device. Compared with the prior art, the utility model has the advantages: the waste heat of the boiler body tail gas is used to preheat the coal dust, thus being beneficial to improving the coal milling efficiency and the coal dust combustion efficiency and reducing energy waste, in addition, the device and boiler reduce coal dust humidity, reduce equipment corrosion and loss, reduce failure rate and also prolong the running period of the equipment.
Description
Technical field
The utility model relates to a kind of burner of boiler, relates in particular to a kind of boiler suspension firing equipment, and the utility model also relates to the boiler that is provided with this burner.
Background technology
China's ature of coal aboundresources, but ature of coal is widely different, low-grade coal makes boiler combustion efficiency low, must the employing measure solve catch fire, problem such as deslagging.For this reason, a lot of boiler suspension firing equipments have appearred, it is conceived: Mei Cong Give coal device substantially and delivers to coal pulverizer, coal after coal pulverizer will grind then is transported in the burner (or claiming burner), burner sprays into boiler with coal dust and burns, main its coal-grinding effect of coal pulverizer, but give coal dust simultaneously and mend wind, to overcome the resistance of burner nozzle, burner can make coal dust suspension carrying out compound combustion, disclosed a lot of in the patent prior art of this class, but referenced patent application number is open " apparatus with characters of high performance coal saving and combustion aid for industrial boilers " (publication number: CN1170114A) of Chinese invention patent application of 96108742.0; But referenced patent number is Chinese utility model patent " Industrial Boiler the suspension firing equipment " (Granted publication number: CN201242148Y), can also referenced patent number be Chinese utility model patent " chain-grate boiler suspension the compound combustion device " (Granted publication number: CN201344521Y) of ZL200820139582.1 of ZL200720094692.6 again.
Disclosed also a lot of for the patent documentation of coal pulverizer, but referenced patent number is Chinese invention patent " the Mechanical Turbulence Mill " (Granted publication number: CN1295021C), can also referenced patent number be Chinese utility model patent " airflow centrifugal the flour mill " (Granted publication number: CN201147712Y) of ZL200820085667.6 of ZL200410026077.3.
Make a general survey of above-mentioned disclosed prior art, only passed through abrasive dust and pressurization when the coal in the boiler suspension firing equipment enters burner, efficiency of combustion is still waiting to improve, and simultaneously, flour mill needs constantly work, so energy consuming ratio is bigger.Can also continue to improve aspect raising coal dust firing efficient and the power consumption of reduction flour mill.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of boiler suspension firing equipment that can improve coal dust firing efficient at the above-mentioned state of the art.
Another technical problem to be solved in the utility model provides a kind of boiler suspension firing equipment that can reduce the flour mill energy consumption.
Another technical problem to be solved in the utility model provides a kind of boiler that is provided with the boiler suspension firing equipment that can improve coal dust firing efficient.
Another technical problem to be solved in the utility model provides a kind of boiler that is provided with the boiler suspension firing equipment that can reduce the flour mill energy consumption.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of boiler suspension firing equipment, comprise coal feeder, conveyer, coal pulverizer and burner, aforesaid conveyer coal-feeding end is connected with the outlet of aforementioned coal feeder, coal exit is connected with the coal-grinding inlet of aforesaid coal pulverizer, and burner communicates with the coal dust delivery outlet of coal pulverizer, it is characterized in that an external boiler exhaust gas delivery pipe is passed into the coal-grinding inner chamber of described coal pulverizer.
As preferably, described coal feeder comprises funnel, screen cloth and vibrating motor, aforesaid screen cloth bottom edge is provided with a plurality of vibrating springs, and aforesaid vibrating spring bottom then is connected on the boss of funnel port, and aforesaid vibrating motor is located on the screen cloth so that power to be provided.Vibrating motor can quicken the process of sieving of raw coal, simultaneously, is provided with simple, respond well.
Described funnel lower port inboard is provided with tramp iron separator removedly.The price of iron filings and so on can be collected and got rid of, guarantee the operate as normal of down-stream.
As preferably, described tramp iron separator comprises an installing plate and is located at a plurality of magnet on the installing plate that aforesaid installing plate is located at described funnel lower port inboard removedly.Connected modes commonly used such as dismounting ground mode can adopt and be spirally connected, hinged, grafting.
A kind of boiler that is provided with suspension firing equipment, comprise boiler body and be located at the suspension firing equipment of boiler body one side, this suspension firing equipment comprises coal feeder, conveyer, coal pulverizer and burner, aforesaid conveyer coal-feeding end is connected with the outlet of aforesaid coal feeder, coal exit is connected with the coal-grinding inlet of aforesaid coal pulverizer, and burner communicates with the coal dust delivery outlet of coal pulverizer, it is characterized in that described boiler body has a tail gas discharging pipe, this tail gas discharging pipe is passed into the coal-grinding inner chamber of described coal pulverizer.
Compared with prior art, advantage of the present utility model is: utilize the waste heat of boiler body tail gas to come to be beneficial to the efficiency of combustion that improves coal-grinding efficient and coal dust to coal dust preheating oven dry, reduce the waste of energy simultaneously, in addition, coal dust humidity reduces, and has reduced corrosion and loss to equipment, has reduced failure rate, also prolonged the running life of equipment, can play certain oven dry effect to the coal that certain humidity is arranged, accelerated combustion, i.e. requirement to the coal source reduces greatly.
Description of drawings
Fig. 1 is the example structure schematic diagram.
Fig. 2 is another visual angle structural representation of embodiment.
Fig. 3 is along the amplification view of A-A direction among Fig. 1.
Fig. 4 is screen cloth and a motor combination amplification plan view among Fig. 2.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, boiler in the present embodiment comprises boiler body 1 and is located at the suspension firing equipment of boiler body 1 one sides, this suspension firing equipment comprises coal feeder 4, conveyer 3, coal pulverizer 2 and burner 5, conveyer 3 coal-feeding ends are connected with the outlet of coal feeder 4, coal exit is connected with the coal-grinding inlet of coal pulverizer 2, and burner 5 communicates by a carrier pipe 51 with the coal dust delivery outlet of coal pulverizer 2, in conjunction with shown in Figure 3, boiler body 1 has a tail gas discharging pipe 11, and this tail gas discharging pipe 11 is passed into the coal-grinding inner chamber of coal pulverizer 2.Again with reference to shown in Figure 2, coal pulverizer 2 provides power by coal-grinding motor 21, finish coal-grinding, coal feeder 4 comprises funnel 42, screen cloth 41 and vibrating motor 43, screen cloth 41 bottom edge are provided with a plurality of vibrating springs 44, vibrating spring 44 bottoms then are connected on the boss 45 of funnel 42 ports, and vibrating motor 43 is located on the screen cloth 41 so that power to be provided.In conjunction with shown in Figure 4, vibrating motor 43 is located at screen cloth 41 lower surface medium positions.Funnel 42 1 sides and be positioned at and also have a rough coal scavenge port 48 above the screen cloth 41 are to collect fat person's coal.
Be provided with tramp iron separator in funnel 42 lower port.Tramp iron separator comprises an installing plate 46 and is located at a plurality of magnet 47 on the installing plate 46 that installing plate 46 then is located at funnel 42 lower port inboards removedly, specifically can adopt to be spirally connected mounting means such as grafting.
Conveyer 3 in the present embodiment adopts screw conveyors, and it is the disclosed content of Chinese invention patent " Mechanical Turbulence Mill " (Granted publication number be CN1295021C) of ZL200410026077.2 that the coal pulverizer 2 in the present embodiment can adopt the patent No..It is the disclosed content of Chinese invention patent " a kind of center give divide a vortex burner " (Granted publication number be CN1207511C) of ZL03111101.7 that burner 5 in the present embodiment can adopt the patent No..
Claims (8)
1. boiler suspension firing equipment, comprise coal feeder, conveyer, coal pulverizer and burner, aforesaid conveyer coal-feeding end is connected with the outlet of aforementioned coal feeder, coal exit is connected with the coal-grinding inlet of aforesaid coal pulverizer, and burner communicates with the coal dust delivery outlet of coal pulverizer, it is characterized in that an external boiler exhaust gas delivery pipe is passed into the coal-grinding inner chamber of described coal pulverizer.
2. boiler suspension firing equipment according to claim 1, it is characterized in that described coal feeder comprises funnel, screen cloth and vibrating motor, aforesaid screen cloth bottom edge is provided with a plurality of vibrating springs, aforesaid vibrating spring bottom then is connected on the boss of funnel port, and aforesaid vibrating motor is located on the screen cloth so that power to be provided.
3. boiler suspension firing equipment according to claim 2 is characterized in that described funnel lower port inboard is provided with tramp iron separator removedly.
4. boiler suspension firing equipment according to claim 2 is characterized in that described tramp iron separator comprises an installing plate and is located at a plurality of magnet on the installing plate, and aforesaid installing plate is located at described funnel lower port inboard removedly.
5. boiler that is provided with suspension firing equipment, comprise boiler body and be located at the suspension firing equipment of boiler body one side, this suspension firing equipment comprises coal feeder, conveyer, coal pulverizer and burner, aforesaid conveyer coal-feeding end is connected with the outlet of aforesaid coal feeder, coal exit is connected with the coal-grinding inlet of aforesaid coal pulverizer, and burner communicates with the coal dust delivery outlet of coal pulverizer, it is characterized in that described boiler body has a tail gas discharging pipe, this tail gas discharging pipe is passed into the coal-grinding inner chamber of described coal pulverizer.
6. boiler according to claim 5, it is characterized in that described coal feeder comprises funnel, screen cloth and vibrating motor, aforesaid screen cloth bottom edge is provided with a plurality of vibrating springs, aforesaid vibrating spring bottom then is connected on the boss of funnel port, and aforesaid vibrating motor is located on the screen cloth so that power to be provided.
7. boiler according to claim 6 is characterized in that described funnel lower port inboard is provided with tramp iron separator removedly.
8. boiler according to claim 7 is characterized in that described tramp iron separator comprises an installing plate and is located at a plurality of magnet on the installing plate, and aforesaid installing plate then is located at described funnel lower port inboard removedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202744225U CN201731480U (en) | 2010-07-27 | 2010-07-27 | Boiler suspension combustion device and boiler provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202744225U CN201731480U (en) | 2010-07-27 | 2010-07-27 | Boiler suspension combustion device and boiler provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731480U true CN201731480U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202744225U Expired - Fee Related CN201731480U (en) | 2010-07-27 | 2010-07-27 | Boiler suspension combustion device and boiler provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907293A (en) * | 2010-07-27 | 2010-12-08 | 宁波广汇进出口有限公司 | Boiler suspension burning device and boiler provided with same |
| CN102635851A (en) * | 2012-04-18 | 2012-08-15 | 岳彩鹏 | Environment-friendly energy-saving spraying burning device |
-
2010
- 2010-07-27 CN CN2010202744225U patent/CN201731480U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907293A (en) * | 2010-07-27 | 2010-12-08 | 宁波广汇进出口有限公司 | Boiler suspension burning device and boiler provided with same |
| CN102635851A (en) * | 2012-04-18 | 2012-08-15 | 岳彩鹏 | Environment-friendly energy-saving spraying burning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO GOOD-TURN ENERGY SAVING TECHNOLOGY CO., LTD Free format text: FORMER NAME: NINGBO GOOD-TURN IMPORT + EXPORT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Wing Hing Industrial Park No. 799 315103 Zhejiang city of Ningbo province high tech Zone Lingyun Road 2 Patentee after: Ningbo Good-turn Energy-saving Technology Co.,Ltd. Address before: Wing Hing Industrial Park No. 799 315103 Zhejiang city of Ningbo province high tech Zone Lingyun Road 2 Patentee before: Ningbo Guanghui Import & Export Co., Ltd. |
|
| 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: 20110202 Termination date: 20160727 |