CN2771668Y - Uniformly coal-ash feeding apparatus - Google Patents
Uniformly coal-ash feeding apparatus Download PDFInfo
- Publication number
- CN2771668Y CN2771668Y CN 200520002169 CN200520002169U CN2771668Y CN 2771668 Y CN2771668 Y CN 2771668Y CN 200520002169 CN200520002169 CN 200520002169 CN 200520002169 U CN200520002169 U CN 200520002169U CN 2771668 Y CN2771668 Y CN 2771668Y
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- coal
- utility
- pipe
- coal supply
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Abstract
The utility model relates to a uniformly coal powder feeding apparatus which is characterized in that the utility model comprises one coal storage bunker, one coal conveying pipe of which the inlet is connected with the coal storage bunker in radial direction, one coal feeding screw, one coal falling pipe, one blower arranged under the coal conveying pipe, and one air pipe with a regulating valve, wherein the coal feeding screw is driven by a motor and is arranged in the coal conveying pipe; the inlet of the coal falling pipe is connected with the outlet of the coal conveying pipe; one end of the air pipe is connected with an air outlet of the blower and the other end forms a circular arc shape and is tangentially connected with the coal falling pipe. The utility model overcomes the problem that an existing coal powder feeding apparatus easily causes the accumulation of coal powder and no expedite coal conveyance; the utility model can quickly, uniformly and continuously feed the coal powder for a combustion device for a medium and small-sized coal powder boilers.
Description
Technical field
The utility model relates to a kind of coal supply device of steam generator system, particularly about a kind of even coal supply powder device that is used for the small and medium-sized industrial coal powder boilers system.
Background technology
Coal supply powder device in the existing pulverized-coal fired boiler generally is the coal supply spiral that a single head is set below the discharging opening of coal store, is provided with vertically downward a material blanking tube at the end of coal supply spiral and is connected with airduct, with wind-force coal dust is blown in the boiler.The shortcoming of this coal supply device is that the coal supply powder is long blanking time, and coal supply speed is slow, and is inhomogeneous, because material blanking tube is vertically disposed, the feasible coal dust of sending in the airduct has the phenomenon of accumulation, is unfavorable for blowing coal dust in burner hearth simultaneously, causes burning unequal.
Summary of the invention
At the problems referred to above, main purpose of the present utility model is to provide a kind of can be the even coal supply powder device of boiler coal supply fast, equably.
For achieving the above object, the utility model is taked following technical scheme: a kind of even coal supply powder device is characterized in that it comprises: a coal store; One conveying pipeline, its import radially connects described coal store; The coal supply spiral of one driven by motor, it is arranged in the described conveying pipeline; One material blanking tube, its import is connected the outlet of described conveying pipeline; One blower fan, it is arranged on the below of described conveying pipeline; One is provided with the airduct of control valve, and the one end connects the air outlet of described blower fan, and the other end is circular arc, and is tangential with described material blanking tube and is connected.
Described coal supply spiral is three spirals.
Described material blanking tube head is vertical, and the rear portion tilts, and the angle of itself and described airduct junction is 30 °～60 °.
Described angle is 45 °.
The utility model is owing to adopt above technical scheme, it has the following advantages: 1, the utility model is owing to be skewed setting with material blanking tube, be arranged to the rear portion of airduct circular-arc, and material blanking tube and wind are tangential are connected, therefore make whole coal chute road level and smooth, avoid the dead angle, prevented the accumulation of coal dust effectively and carried not smooth.2, the utility model is owing to be arranged to three spirals with the coal supply spiral, therefore can shorten pitch, make coal supply blanking time short, the amount of delivering coal is few and even at every turn, therefore can realize better fast, be the purpose of the burner coal supply of small and medium-sized industrial coal powder boilers evenly, continuously.
Description of drawings
Fig. 1 is a structural representation of the present utility model
The specific embodiment
In order to describe structure of the present utility model and characteristics in detail, existing following preferred embodiment of act and conjunction with figs. describe.
As shown in Figure 1, the utility model comprises a conveying pipeline 1, import at conveying pipeline 1, radially connect a coal store 2, connect a motor 3 at conveying pipeline 1 near an end of import, the output of motor 3 connects a coal supply spiral 4 that is positioned at conveying pipeline 1, is the material blanking tube 5 of connection radially in the outlet of conveying pipeline 1, the head of material blanking tube 5 is vertical, and the rear portion tilts.One blower fan 6 is set below conveying pipeline 1, connects an airduct 7 in the outlet of blower fan 6, airduct 7 is provided with control valve 8, and the head of airduct 7 is level, and afterbody is circular arc 9.The end of material blanking tube 5 tangentially is connected into airduct 7 along airduct 7 circular arcs 9, thereby forms an angle between material blanking tube 5 and airduct 7, and the angle of repose that this angle falls greater than coal dust, operated by rotary motion is preferable with 45 ° wherein between 30 °～60 °.Circular arc 9 radians of airduct 7 afterbodys then are provided with according to angle, to guarantee that material blanking tube 5 can tangentially being connected into wherein along airduct 7.
In the foregoing description, coal supply spiral 4 adopts three spirals, can shorten pitch like this, increases and delivers coal at interval, make produce coal more even.Be provided with air-valve 8 on the airduct 7 and can adopt Electric air valve, and regulate wind supply quantity as required.
During the utility model operation, coal supply spiral 4 rotates under the drive of motor 3, coal dust in the coal store 2 is rotated the end of delivering to conveying pipeline 1 continuously, and fall into material blanking tube 5, because blower fan 6 is by airduct 7 air-supplies, the coal dust that therefore falls into material blanking tube 5 falls under deadweight on the one hand, and the drainage that is subjected to blast on the other hand falls, therefore give the feed of burner very even, can not stop up.
Claims (4)
1, a kind of even coal supply powder device is characterized in that it comprises:
One coal store;
One conveying pipeline, its import radially connects described coal store;
The coal supply spiral of one driven by motor, it is arranged in the described conveying pipeline;
One material blanking tube, its import is connected the outlet of described conveying pipeline;
One blower fan, it is arranged on the below of described conveying pipeline;
One is provided with the airduct of control valve, and the one end connects the air outlet of described blower fan, and the other end is circular arc, and is tangential with described material blanking tube and is connected.
2, a kind of according to claim 1 even coal supply powder device, it is characterized in that: described coal supply spiral is three spirals.
3, a kind of as claimed in claim 1 or 2 even coal supply powder device, it is characterized in that: described material blanking tube head is vertical, and the rear portion tilts, and the angle of itself and described airduct junction is 30 °～60 °.
4, as a kind of even coal supply powder device as described in the claim 3, it is characterized in that: described angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520002169 CN2771668Y (en) | 2005-02-07 | 2005-02-07 | Uniformly coal-ash feeding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520002169 CN2771668Y (en) | 2005-02-07 | 2005-02-07 | Uniformly coal-ash feeding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771668Y true CN2771668Y (en) | 2006-04-12 |
Family
ID=36705458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520002169 Expired - Lifetime CN2771668Y (en) | 2005-02-07 | 2005-02-07 | Uniformly coal-ash feeding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771668Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794058A (en) * | 2012-08-21 | 2012-11-28 | 唐祥国 | Coal dust collection and conveying device |
| CN103047671A (en) * | 2012-12-28 | 2013-04-17 | 北京哈宜节能环保科技开发有限公司 | Sandwich wind combustion device |
| CN103277808A (en) * | 2013-05-07 | 2013-09-04 | 西安交通大学 | Small-scale industrial boiler coal dust storing and supplying system and control method |
| CN103343975A (en) * | 2013-07-25 | 2013-10-09 | 高伦 | Feeding machine |
| CN103738741A (en) * | 2014-01-10 | 2014-04-23 | 湖州华顺炉业有限公司 | Helical feeding mechanism |
| CN103994452A (en) * | 2014-05-30 | 2014-08-20 | 聊城华诚环保设备科技有限公司 | Coal additive conveying and spraying unit |
| CN106090979A (en) * | 2016-06-28 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of pulverized-coal fired boiler feeding structure |
| CN106196139A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding system with swinging conveying pipe |
-
2005
- 2005-02-07 CN CN 200520002169 patent/CN2771668Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794058A (en) * | 2012-08-21 | 2012-11-28 | 唐祥国 | Coal dust collection and conveying device |
| CN103047671A (en) * | 2012-12-28 | 2013-04-17 | 北京哈宜节能环保科技开发有限公司 | Sandwich wind combustion device |
| CN103277808A (en) * | 2013-05-07 | 2013-09-04 | 西安交通大学 | Small-scale industrial boiler coal dust storing and supplying system and control method |
| CN103277808B (en) * | 2013-05-07 | 2015-08-05 | 西安交通大学 | A kind of small-sized industrial boiler coal powder storage and supply system and control method |
| CN103343975A (en) * | 2013-07-25 | 2013-10-09 | 高伦 | Feeding machine |
| CN103343975B (en) * | 2013-07-25 | 2016-08-10 | 高伦 | Feeding machine |
| CN103738741A (en) * | 2014-01-10 | 2014-04-23 | 湖州华顺炉业有限公司 | Helical feeding mechanism |
| CN103994452A (en) * | 2014-05-30 | 2014-08-20 | 聊城华诚环保设备科技有限公司 | Coal additive conveying and spraying unit |
| CN106090979A (en) * | 2016-06-28 | 2016-11-09 | 无锡锡能锅炉有限公司 | A kind of pulverized-coal fired boiler feeding structure |
| CN106196139A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding system with swinging conveying pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA COAL RESEARCH INSTITUTE CO., LTD. Free format text: FORMER OWNER: BEIJING COAL-CHEMICAL BRANCH OF COAL-SCIENCE GENERAL ACADEMY Effective date: 20140826 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140826 Address after: 100013 Chaoyang District, Hepingli Youth Ditch Road, No. 5, No. Patentee after: Co., Ltd of coal science and technology academy Address before: 100013 Chaoyang District, Hepingli Youth Ditch Road, No. 5, No. Patentee before: Beijing Coal-Chemical Branch of Coal-Science General Academy |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150207 Granted publication date: 20060412 |