CN202898365U - Furnace front multi-stage feeding device - Google Patents
Furnace front multi-stage feeding device Download PDFInfo
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- CN202898365U CN202898365U CN201220486426.9U CN201220486426U CN202898365U CN 202898365 U CN202898365 U CN 202898365U CN 201220486426 U CN201220486426 U CN 201220486426U CN 202898365 U CN202898365 U CN 202898365U
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- feeding unit
- multistage
- feeding device
- discharge port
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Abstract
The utility model provides a furnace front multi-stage feeding device, which is used for the furnace front feeding of a biomass gasifier. A material inlet is formed in the sidewall of the biomass gasifier. The multi-stage feeding device at least comprises a first-stage feeding device and a final-stage feeding device. The feeding device of each stage comprises a feed port in the upper part of a front part and a discharge port in a tail end. The first-stage feeding device and the final-stage feeding device are arranged up and down. The discharge port of the first-stage feeding device is communicated with the feed port of the final-stage feeding device directly or indirectly through feed ports of intermediate feeding devices of one or more stages between the first-stage feeding device and the final-stage feeding device. Sealed intermediate feed boxes are arranged at the tail ends of the first-stage feeding device and each intermediate feeding device. The discharge ports of the first-stage feeding device and each intermediate feeding device are communicated with the feed ports of the feeding devices of the next stages through the intermediate feed boxes. The discharge port of the final-stage feeding device is connected to the material inlet of the biomass gasifier.
Description
Technical field
The utility model relates to the multistage feeding unit in a kind of stokehold.
Background technology
Biomass gasifying furnace mainly utilizes helix transporting device to carry out charging at present.For example, Chinese patent 201020299966 discloses a kind of built-in biomass screw feeder, its feed bin is positioned at the top of taper feeder, be provided with blanking device in the feed bin, make biomass enter continuously taper feeder by blanking device, biomass enter combustion unit or gasification installation continuously by the reducing auger in taper feeder; Feed bin, blanking device and being integral of taper feeder structure, wherein the blanking bar of blanking device can be realized dismounting, biomass enter behind the feed bin because blanking bar and by uniform stirring.
Chinese patent 201020299899 discloses a kind of external biomass spiral feeder, its feed bin and tapered tube are at right angles combined, tapered tube is positioned at the bottom position of feed bin, be provided with blanking device in the feed bin, make biomass enter continuously taper feeder by blanking device, biomass enter combustion unit or gasification installation continuously by the reducing auger in taper feeder; Feed bin, blanking device and being integral of taper feeder structure, wherein the blanking bar of blanking device can be realized dismounting, the feed opening variable size of blanking device.
Chinese patent application 201010000728 discloses a kind of biomass feeder for pressurized fluidized bed gasifier, and it comprises: with not sealing hopper, whipping appts and the screw feeding device of magnetic conduction top cover.
The defective of technique scheme is: the anti-cigarette of equipment is serious, cause feed bin to make somebody a mere figurehead arch camber, and then blanking is not smooth; Because anti-cigarette composition is mainly biological fuel gas, in feed bin, assemble simultaneously, personnel occur easily and poison or the feed bin explosion hazard.
Therefore, how to provide a kind of stokehold feeding unit of anti-cigarette that can effectively prevent to become the problem that industry need to solve.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model provides that a kind of materials are economized, manufacturing process is simple and the easy multistage feeding unit of assembling.
To achieve these goals, the utility model provides a kind of stokehold multistage feeding unit, is used for the stokehold charging of biomass gasifying furnace, and the sidewall of this biomass gasifying furnace is provided with material inlet;
Multistage feeding unit comprises chopped-off head feeding unit, final stage feeding unit at least, and each grade feeding unit includes the opening for feed that is positioned at the top and is positioned at terminal discharge port;
Chopped-off head feeding unit, final stage feeding unit are arranged up and down; The discharge port of chopped-off head feeding unit directly is connected with the opening for feed of final stage feeding unit and communicates, and perhaps communicates with the opening for feed indirect joint of final stage feeding unit by one or more levels middle feeding device between chopped-off head feeding unit and final stage feeding unit;
The end of chopped-off head feeding unit and each middle feeding device is equipped with middle the hopper of sealing, the chopped-off head feeding unit with is connected the discharge port of intermediate material e Foerderanlage and is connected with the opening for feed of its next stage feeding unit by its centre hopper and communicates;
The discharge port of final stage feeding unit is connected to the material inlet of biomass gasifying furnace.
In the utility model, the opening for feed of chopped-off head feeding unit is the combined feed total feed mouth of whole multistage feeding unit, and the discharge port of final stage feeding unit is total discharge port of whole multistage feeding unit.
Because biomass material light weight and volume are little, it is floating to scatter easily, causes dust pollution.In the utility model, the diffusion when the middle hopper of sealing can prevent effectively that biomass material from entering the next stage feeding unit from the upper level feeding unit.
The multistage feeding unit in stokehold of the present utility model is used for the biomass material in the feed bin is delivered in the biomass gasifying furnace.Biomass material in the feed bin inputs in the opening for feed of chopped-off head feeding unit.
In the utility model, the middle hopper of sealing can be set also between the opening for feed of the blanking port of feed bin and chopped-off head feeding unit, to prevent the material diffusion.
The utility model is by arranging multistage feeding unit, and the middle hopper connection by sealing between the feeding units at different levels communicates, when carrying biomass material in the feeding unit, can effectively avoid the gas in the biomass gasifying furnace to enter feed bin along feeding unit, and then the built on stilts arch camber of the feed bin that causes of the anti-cigarette of the equipment that prevents, blanking is smooth, personnel poison and the accident such as feed bin blast.
The progression of feeding unit is more, prevents that the effect of anti-cigarette is better, but it is also higher to make tooling cost.According to another embodiment of the utility model, multistage feeding unit is two-stage, three grades or level Four, namely the middle feeding device between chopped-off head feeding unit and final stage feeding unit be one, two or three.
According to another embodiment of the utility model, the discharge port of each feeding unit all is inclined upwardly with respect to horizontal plane.Different according to material, the angle of inclination is also different.Its angle of inclination is preferably, for example, and 5 °-25 °.
According to another embodiment of the utility model, chopped-off head feeding unit and middle feeding device are the device for transporting objects of adjustable speed, its main purpose is to control input speed by governing speed (for example rotating speed), to realize better charging effect and the effect that prevents the flue gas anti-channeling.
According to another embodiment of the utility model, each grade feeding unit is helix transporting device; Chopped-off head feeding unit and middle feeding device are the open-end auger e Foerderanlage, and its terminal discharge port is angle upwards, and this angle is provided with gland.Spread and comprise the gas diffusion of flue gas, combustion gas owing to need to prevent biological particles, the helix transporting device here is preferably the helix transporting device with the sealing transport pipe.According to the mounting means of its screw shaft, specifically can be open-end auger e Foerderanlage (being that screw shaft has a free end) or the fixed helix transporting device in two ends (being that screw shaft does not have free end) simultaneously.Chopped-off head feeding unit and middle feeding device are the open-end auger e Foerderanlage, its terminal angle for making progress, and this angle is provided with gland.When the helix transporting device convey materials, material backs down gland, and falls from angle.Because the angle direction upwards, can make gas be difficult to enter in the pipeline of helix transporting device by angle.
According to another embodiment of the utility model, the axis angulation of plane, angle place and open-end auger e Foerderanlage is 30 °-60 °, more preferably 40 °-50 ° on this basis, and more preferably 45 ° on this basis.
According to another embodiment of the utility model, gland has automatic reset mechanism, so that helix transporting device is when stopping convey materials, gland can cover angle automatically, prevents that gas from entering in the pipeline of helix transporting device by angle.This automatic reset mechanism can be, such as various whippy structures or elastic elements such as springs.
According to another embodiment of the utility model, each grade feeding unit is helix transporting device, one section blade before the helix transporting device discharge port removes, so that biomass material forms on-bladed material envelope herein, stops gas to enter helix transporting device.
According to another embodiment of the utility model, be provided with a plurality of level gages in the middle hopper.
According to another embodiment of the utility model, be provided with two level gages in the middle hopper, one of them is the low level level gage, another is high-order level gage.During multistage feeding unit operation, the rotating speed that can regulate a plurality of helix transporting devices keeps the material level of middle hopper between a high position and low level.
Compared with prior art, the utility model possesses following beneficial effect:
The utility model is by arranging multistage feeding unit, and the middle hopper connection by sealing between the feeding units at different levels communicates, when carrying biomass material in the feeding unit, can effectively avoid the gas in the biomass gasifying furnace to enter feed bin along feeding unit, and then the built on stilts arch camber of the feed bin that causes of the anti-cigarette of the equipment that prevents, blanking is smooth, personnel poison and the accident such as feed bin blast.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the multistage feeding unit of embodiment 1.
Embodiment
Embodiment 1
As shown in Figure 1, the multistage feeding unit of present embodiment is two-stage feeding unit 2, and it comprises chopped-off head feeding unit 201, middle hopper 202, final stage feeding unit 203.
Chopped-off head feeding unit 201 is the open-end auger e Foerderanlage of adjustable speed.It comprises the opening for feed that is positioned at front upper and is positioned at terminal discharge port.The blanking port of feed bin 1 is connected with the opening for feed of chopped-off head feeding unit 201 front upper and communicates.The discharge port of chopped-off head feeding unit 201 ends is angle upwards, and this angle is provided with gland 204.The axis angulation of plane, angle place and open-end auger e Foerderanlage is 45 °.Gland 204 has automatic reset mechanism (for example spring 205).In addition, one section blade before chopped-off head feeding unit 201 discharge ports removes.The discharge port of chopped-off head feeding unit 201 with respect to the horizontal plane is inclined upwardly 10 °.
The middle hopper 202 of sealing is arranged at the end of chopped-off head feeding unit 201.Be provided with two level gages in the middle hopper 202, one of them is low level level gage 206, and another is high-order level gage 207.
Final stage feeding unit 203 is the open-end auger e Foerderanlage, and it comprises the opening for feed that is positioned at front upper and is positioned at terminal discharge port.Its discharge port with respect to the horizontal plane is inclined upwardly 15 °, and its discharge port is connected to the material inlet of biomass gasifying furnace 3.
Chopped-off head feeding unit 201, final stage feeding unit 203 are arranged up and down; The discharge port of chopped-off head feeding unit 201 directly is connected by middle hopper 202 with the opening for feed of final stage feeding unit 203 and communicates.
Embodiment 2
The difference of present embodiment and embodiment 1 is: (1) multistage feeding unit is three grades of feeding units, is provided with middle feeding device between chopped-off head feeding unit and the final stage feeding unit; (2) chopped-off head feeding unit and middle feeding device are the fixed helix transporting device in two ends; (3) one section blade before the discharge port of chopped-off head feeding unit and middle feeding device all removes, and forms on-bladed material envelope.
Although the utility model discloses as above with preferred embodiment, be not to limit the scope that the utility model is implemented.Any those of ordinary skill in the art, within not breaking away from invention scope of the present utility model, when doing a little improvement, namely every equal improvement of doing according to the utility model should be scope of the present utility model and contains.
Claims (10)
1. the multistage feeding unit in stokehold is used for the stokehold charging of biomass gasifying furnace, and the sidewall of described biomass gasifying furnace is provided with material inlet, it is characterized in that:
Described multistage feeding unit comprises chopped-off head feeding unit, final stage feeding unit at least, and each grade feeding unit includes the opening for feed that is positioned at the top and is positioned at terminal discharge port;
Described chopped-off head feeding unit, final stage feeding unit are arranged up and down; The discharge port of described chopped-off head feeding unit directly is connected with the opening for feed of described final stage feeding unit and communicates, and perhaps communicates with the opening for feed indirect joint of described final stage feeding unit by one or more levels middle feeding device between described chopped-off head feeding unit and final stage feeding unit;
The end of described chopped-off head feeding unit and each described middle feeding device is equipped with middle the hopper of sealing, described chopped-off head feeding unit with is connected the discharge port of described intermediate material e Foerderanlage and is connected with the opening for feed of its next stage feeding unit by its centre hopper and communicates;
The discharge port of described final stage feeding unit is connected to the material inlet of described biomass gasifying furnace.
2. multistage feeding unit as claimed in claim 1 is characterized in that, described multistage feeding unit is two-stage, three grades or level Four.
3. multistage feeding unit as claimed in claim 1 is characterized in that, the discharge port of each feeding unit all is inclined upwardly with respect to horizontal plane.
4. multistage feeding unit as claimed in claim 1 is characterized in that, described chopped-off head feeding unit and middle feeding device are the device for transporting objects of adjustable speed.
5. multistage feeding unit as claimed in claim 1 is characterized in that, the described feeding unit of every one-level is helix transporting device; Described chopped-off head feeding unit and described middle feeding device are the open-end auger e Foerderanlage, and its terminal discharge port is angle upwards, and this angle is provided with gland.
6. multistage feeding unit as claimed in claim 5 is characterized in that, the axis angulation of plane, described angle place and described open-end auger e Foerderanlage is 30 °-60 °.
7. multistage feeding unit as claimed in claim 5 is characterized in that, described gland has automatic reset mechanism.
8. multistage feeding unit as claimed in claim 1 is characterized in that, the described feeding unit of every one-level is helix transporting device, and one section blade before the described helix transporting device discharge port removes.
9. multistage feeding unit as claimed in claim 1 is characterized in that, is provided with a plurality of level gages in the described middle hopper.
10. multistage feeding unit as claimed in claim 9 is characterized in that, is provided with two level gages in the described middle hopper, and one of them is the low level level gage, and another is high-order level gage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486426.9U CN202898365U (en) | 2012-09-20 | 2012-09-20 | Furnace front multi-stage feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220486426.9U CN202898365U (en) | 2012-09-20 | 2012-09-20 | Furnace front multi-stage feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202898365U true CN202898365U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220486426.9U Expired - Lifetime CN202898365U (en) | 2012-09-20 | 2012-09-20 | Furnace front multi-stage feeding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925316A (en) * | 2016-07-07 | 2016-09-07 | 广州薪光合环保技术有限公司 | Control method of fluidized bed gasifier system |
| CN107270295A (en) * | 2017-07-11 | 2017-10-20 | 盐城绿城环保科技有限公司 | A kind of organic solid waste Non-oxygen pyrolytic feed arrangement and feed process |
| CN110373229A (en) * | 2019-05-14 | 2019-10-25 | 中国计量大学 | A kind of biomass gasifying furnace sealed feeder unit |
| CN112852496A (en) * | 2020-12-29 | 2021-05-28 | 哈尔滨锅炉厂有限责任公司 | Double-bin sealing positive pressure feeding system for biomass gasification furnace and using method thereof |
-
2012
- 2012-09-20 CN CN201220486426.9U patent/CN202898365U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925316A (en) * | 2016-07-07 | 2016-09-07 | 广州薪光合环保技术有限公司 | Control method of fluidized bed gasifier system |
| CN105925316B (en) * | 2016-07-07 | 2020-01-10 | 广州薪光合环保技术有限公司 | Control method of fluidized bed gasification furnace system |
| CN107270295A (en) * | 2017-07-11 | 2017-10-20 | 盐城绿城环保科技有限公司 | A kind of organic solid waste Non-oxygen pyrolytic feed arrangement and feed process |
| CN110373229A (en) * | 2019-05-14 | 2019-10-25 | 中国计量大学 | A kind of biomass gasifying furnace sealed feeder unit |
| CN112852496A (en) * | 2020-12-29 | 2021-05-28 | 哈尔滨锅炉厂有限责任公司 | Double-bin sealing positive pressure feeding system for biomass gasification furnace and using method thereof |
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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: GUANGZHOU XINGUANGHE ENVIRONMENTAL PROTECTION TECH Free format text: FORMER OWNER: ZHAO GUANGJIAN Effective date: 20130412 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130412 Address after: 510000 Guangdong province Guangzhou Science City skim Springs Road A203 No. 3 Guangzhou international business incubator District real A Patentee after: GUANGZHOU XINGUANGHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Lifeng forest road building in Whampoa District of Guangzhou City, Guangdong province 510000 four floor Patentee before: Zhao Guangjian |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHAO GUANGJIAN Free format text: FORMER OWNER: GUANGZHOU XINGUANGHE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20130805 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130805 Address after: Lifeng forest road building in Whampoa District of Guangzhou City, Guangdong province 510000 four floor Patentee after: Zhao Guangjian Address before: 510000 Guangdong province Guangzhou Science City skim Springs Road A203 No. 3 Guangzhou international business incubator District real A Patentee before: GUANGZHOU XINGUANGHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: 510000, No. three, No. 5, Fu Dong Road, Tai Lung Road, Tai Lung Street, Tai Long Street, Guangzhou, Guangdong, Panyu District 202, China Patentee after: GUANGZHOU XINGUANGHE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Lifeng forest road building in Whampoa District of Guangzhou City, Guangdong province 510000 four floor Patentee before: Zhao Guangjian |
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| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |