CN202284789U - Furnace-front biomass fuel feeding device - Google Patents
Furnace-front biomass fuel feeding device Download PDFInfo
- Publication number
- CN202284789U CN202284789U CN2011203451300U CN201120345130U CN202284789U CN 202284789 U CN202284789 U CN 202284789U CN 2011203451300 U CN2011203451300 U CN 2011203451300U CN 201120345130 U CN201120345130 U CN 201120345130U CN 202284789 U CN202284789 U CN 202284789U
- Authority
- CN
- China
- Prior art keywords
- conveying pipeline
- biomass fuel
- pneumatic conveying
- feeding pipe
- horizontal pneumatic
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a furnace-front biomass fuel feeding device which is used for a biomass circulating fluidized bed furnace. The furnace-front biomass fuel feeding device comprises a support, and a horizontal pneumatic conveying pipeline, an inclined material conveying pipeline and a gear motor which are fixedly connected to the support, wherein a high-pressure air inlet and a discharge port are formed on the horizontal pneumatic conveying pipeline; the lower end of the inclined material conveying pipeline is communicated with the middle part of the horizontal pneumatic conveying pipeline; a feeding port is formed on the top of a side wall of the inclined material conveying pipeline; a shaftless helix is arranged in the inclined material conveying pipeline through a bearing and consists of an end shaft and a helical blade; the end shaft of the shaftless helix is connected with an output shaft of the gear motor; and the helical blade of the shaftless helix is positioned under the feeding port. According to the furnace-front biomass fuel feeding device, fuel can be scattered and conveyed to the horizontal pneumatic conveying pipeline by the shaftless helix to ensure that the fuel hardly blocks the inclined material conveying pipeline, and the furnace-front biomass fuel feeding device has the particular advantage of conveying strip-shaped and easily wound materials.
Description
Technical field
The utility model relates to a kind of stokehold biomass fuel charging gear that is used for biomass circulating fluid bed boiler.
Background technology
Vigorously advocate the development and use regenerative resource in the current Chinese government, promote under the social background of sustainable economic development; Biomass power generation is as the direction of giving priority to of bioenergy; All is building energetically biomass fermentation power plant all parts of the country, expects biomass power generation installation in 2015 and reach 1,300 ten thousand kilowatts.The direct combustion power generation of living beings is to utilize the heat energy after living beings are directly burnt to produce steam by biomass boiler, utilizes steam to promote the steamer electricity generation system again and generates electricity.With special advantages such as its nearly zero carbon emission, Huinongs, become the Biomass Energy Utilization mode that the most ripe, the tool commercialization of development is worth.It is strong that the CFBB technology has a fuel tolerance, and efficiency of combustion is high, and it is good to pollute control characteristic, and the advantage that load regulation range is big will become the important heat power equipment of firing biomass fuel boiler.Be barotropic state when CFBB normally moves in the stove, fuel is generally sent in the burner hearth through pressure-air.But because huge matter attitude difference between the biomass fuel in sending into the process of burner hearth, the fault of conveyance conduit often takes place to stop up, influence the operation of boiler continous-stable, therefore must research and development be suitable for the front-furnace feeding device of carrying biomass fuel.
Summary of the invention
The purpose of the utility model is to provide a kind of stokehold biomass fuel charging gear of difficult obstruction conveyance conduit.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of stokehold biomass fuel charging gear is characterized in that it comprises: support be fixedly connected on horizontal Pneumatic conveying pipeline, inclination feeding pipe and the reducing motor on the support; Said horizontal Pneumatic conveying pipeline has pressure-air import and discharging opening; The lower end of said inclination feeding pipe is connected with the middle part of said horizontal Pneumatic conveying pipeline, and the top side wall of said inclination feeding pipe is provided with charging aperture; Install one through bearing in the said inclination feeding pipe and do not have the axle spiral; Said nothing axle spiral is made up of end axle and helical blade two parts; The said end axle that does not have the axle spiral is connected with the output shaft of said reducing motor, and the said helical blade that does not have the axle spiral is positioned at the below of said charging aperture.
Said horizontal Pneumatic conveying pipeline is divided into gas transmission section, delivery section and defeated material section; Said delivery section is the pipeline at the place that is connected with the inclination feeding pipe; Said gas transmission section is from said pressure-air import to the pipeline of said delivery section, and said defeated material section be the pipeline from said discharging opening to said delivery section, is airflow direction by the direction of the past discharging opening of pressure-air import; The aperture of said delivery section along airflow direction from large to small, change from small to big along airflow direction in the aperture of said defeated material section.
The charging aperture place of the exit of said horizontal Pneumatic conveying pipeline and said inclination feeding pipe is provided with pressure sensor respectively.
The center line of said nothing axle spiral and the angle of horizontal plane are 40～50 degree.
The center line of said nothing axle spiral and the angle of horizontal plane are 40 degree or 45 degree or 50 degree.
The utility model is owing to adopt technique scheme, and it has following beneficial effect:
1, the utility model stokehold biomass fuel charging gear, through do not have that an axle spiral is broken up and transfer the fuel to horizontal Pneumatic conveying pipeline, fuel is difficult in the inclination feeding pipe, stopping up, and is banded for carrying, be prone to twine material special superiority is arranged.Just in case fuel occurring stops up then and can dredge through a counter-rotating nothing axle spiral.
2, the utility model stokehold biomass fuel charging gear; Horizontal Pneumatic conveying pipeline is being divided into gas transmission section, delivery section and defeated material section, and delivery section is the pipeline at the place that is connected with the inclination feeding pipe, and the gas transmission section is the pipeline from pressure-air import to delivery section; Defeated material section is the pipeline from discharging opening to delivery section; Direction by the past discharging opening of pressure-air import is an airflow direction, and the aperture of delivery section is failed the aperture of material section and changed from small to big along airflow direction along airflow direction from large to small.The variation in delivery section aperture is according to the Venturi tube principle; Air in the horizontal Pneumatic conveying pipeline is increased at the delivery section flow velocity; Pressure descends; Can change the pressure of the air in the horizontal Pneumatic conveying pipeline into kinetic energy, will be taken away from the biomass fuel that the inclination feeding pipe gets into rapidly by high-speed air, fuel can not stop up in horizontal Pneumatic conveying pipeline.
3, the utility model stokehold biomass fuel charging gear; The charging aperture place of the exit of horizontal Pneumatic conveying pipeline and inclination feeding pipe is provided with pressure sensor respectively, and the number pressure that records according to two pressure sensors compares rotary speed and the direction of not having the axle spiral to regulate.
Description of drawings
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the main TV structure sketch map of the utility model;
Fig. 3 is the plan structure sketch map of the utility model.
The horizontal Pneumatic conveying pipeline of Reference numeral: 1-; 2-inclination feeding pipe; The 3-reducing motor; The 4-charging aperture; The 5-support; The 6-bearing; 7-holds axle; The 8-helical blade; The 9-discharging opening; The import of 10-pressure-air; 11-gas transmission section; The 12-delivery section; The defeated material section of 13-.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Like Fig. 1, Fig. 2, shown in Figure 3, the utility model stokehold biomass fuel charging gear, it comprises: support 5 be fixedly connected on horizontal Pneumatic conveying pipeline 1, inclination feeding pipe 2 and the reducing motor 3 on the support 5; Horizontal Pneumatic conveying pipeline 1 has pressure-air import 10 and discharging opening 9; The lower end of inclination feeding pipe 2 is connected with the middle part of horizontal Pneumatic conveying pipeline 1, and the top side wall of inclination feeding pipe 2 is provided with charging aperture 4; Installing one through bearing 6 in the inclination feeding pipe 2 does not have the axle spiral, does not have the axle spiral and is made up of with helical blade 8 two parts end axle 7, and the end axle 7 that does not have the axle spiral is connected with the output shaft of reducing motor 3, and the helical blade 8 that does not have the axle spiral is positioned at the below of charging aperture 4.
Horizontal Pneumatic conveying pipeline 1 is divided into gas transmission section 11, delivery section 12 and defeated material section 13; Delivery section 12 is the pipeline at the place that is connected with inclination feeding pipe 2; Gas transmission section 11 is the pipeline from pressure-air import 10 to delivery section 12; Defeated material section 13 is the pipeline from discharging opening 9 to delivery section 12; Direction by pressure-air import 10 past discharging openings 9 is an airflow direction, and the aperture of delivery section 12 is failed the aperture of material section 13 and changed from small to big along airflow direction along airflow direction from large to small.
Not having the center line of axle spiral and the angle of horizontal plane is 40 degree or 45 degree or 50 degree.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. stokehold biomass fuel charging gear is characterized in that it comprises: support be fixedly connected on horizontal Pneumatic conveying pipeline, inclination feeding pipe and the reducing motor on the support; Said horizontal Pneumatic conveying pipeline has pressure-air import and discharging opening; The lower end of said inclination feeding pipe is connected with the middle part of said horizontal Pneumatic conveying pipeline, and the top side wall of said inclination feeding pipe is provided with charging aperture; Install one through bearing in the said inclination feeding pipe and do not have the axle spiral; Said nothing axle spiral is made up of end axle and helical blade two parts; The said end axle that does not have the axle spiral is connected with the output shaft of said reducing motor, and the said helical blade that does not have the axle spiral is positioned at the below of said charging aperture.
2. stokehold according to claim 1 biomass fuel charging gear; It is characterized in that; Said horizontal Pneumatic conveying pipeline is divided into gas transmission section, delivery section and defeated material section, and said delivery section is the pipeline from said pressure-air import to said delivery section for the pipeline at the place that is connected with the inclination feeding pipe, said gas transmission section; Said defeated material section is the pipeline from said discharging opening to said delivery section; Is airflow direction by the pressure-air import toward the direction of discharging opening, the aperture of said delivery section along airflow direction from large to small, change from small to big along airflow direction in the aperture of said defeated material section.
3. stokehold according to claim 1 and 2 biomass fuel charging gear is characterized in that, the discharging opening place of said horizontal Pneumatic conveying pipeline and the charging aperture place of said inclination feeding pipe are provided with pressure sensor respectively.
4. stokehold according to claim 1 and 2 biomass fuel charging gear is characterized in that, the center line of said nothing axle spiral and the angle of horizontal plane are 40～50 degree.
5. stokehold according to claim 4 biomass fuel charging gear is characterized in that, the center line of said nothing axle spiral and the angle of horizontal plane are 40 degree or 45 degree or 50 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203451300U CN202284789U (en) | 2011-09-15 | 2011-09-15 | Furnace-front biomass fuel feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203451300U CN202284789U (en) | 2011-09-15 | 2011-09-15 | Furnace-front biomass fuel feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284789U true CN202284789U (en) | 2012-06-27 |
Family
ID=46296310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203451300U Expired - Lifetime CN202284789U (en) | 2011-09-15 | 2011-09-15 | Furnace-front biomass fuel feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284789U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416529A (en) * | 2017-09-08 | 2017-12-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of Contiuum type air conveyor |
| CN107720139A (en) * | 2017-11-14 | 2018-02-23 | 中国华能集团清洁能源技术研究院有限公司 | A kind of novel feeder |
| CN108458360A (en) * | 2015-06-18 | 2018-08-28 | 李海涛 | A kind of boiler feed device |
-
2011
- 2011-09-15 CN CN2011203451300U patent/CN202284789U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458360A (en) * | 2015-06-18 | 2018-08-28 | 李海涛 | A kind of boiler feed device |
| CN107416529A (en) * | 2017-09-08 | 2017-12-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of Contiuum type air conveyor |
| CN107720139A (en) * | 2017-11-14 | 2018-02-23 | 中国华能集团清洁能源技术研究院有限公司 | A kind of novel feeder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107120927B (en) | Blowing-sucking combined material drying system and control method thereof | |
| CN101187471B (en) | Taper tube and ash returning pump and ash recombustion type circulated fluid bed combustion equipment | |
| CN201458346U (en) | Pulseless coal powder feeding device | |
| CN202284789U (en) | Furnace-front biomass fuel feeding device | |
| CN202532519U (en) | Biomass material plugging feeding device | |
| CN202350302U (en) | Rice husk combustion hot-blast stove | |
| CN200972107Y (en) | Powdered coal recombustion device for circulation fluid-bed | |
| CN204829985U (en) | Multipurpose biomass combustion power generation facility | |
| CN103629678B (en) | Garbage burning boiler | |
| CN201547804U (en) | Segmented air supply system of biomass energy particle burning machine | |
| CN203024179U (en) | Intelligent control system of pulverized coal burner | |
| CN202303364U (en) | Novel pulverized coal combustor by adopting oxygen enrichment ignition and underload stable combustion | |
| CN101402419A (en) | High-efficiency powder conveyer tube and powder conveying apparatus | |
| CN202303342U (en) | Vacuum boiler for biomass particles | |
| CN101709914A (en) | Biomass energy particle burning type drying device | |
| CN103499141A (en) | Top air suction type heat exchange structure | |
| CN204388110U (en) | Finlling automatically coal-burning boiler | |
| CN101324338B (en) | Boiler secondary air constant velocity wind pipe | |
| CN209763016U (en) | Steam generator | |
| CN204005973U (en) | A kind of CFB boiler startup bed material mechanical conveying system | |
| CN103196150B (en) | Biomass fuel conveying device | |
| CN206669788U (en) | Automatic biomass fueled steam boiler | |
| CN216667660U (en) | Coal feeding air structure | |
| CN205448272U (en) | Can reduce new type boiler of heat energy loss | |
| CN203718815U (en) | Feeding combustion device for biomass powder fuel boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200619 Address after: Room 1405, information building, No. 13, Linyin North Street, Pinggu District, Beijing Patentee after: Beijing Depu Xinyuan Ecological Technology Co., Ltd Address before: 100027 No. 5, five West Street, Chaoyang District, Beijing, Sanlitun Patentee before: BEIJING DP CLEANTECH TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |
|
| CX01 | Expiry of patent term |