CN202203972U - Stokehold feeding system for biomass power plant - Google Patents
Stokehold feeding system for biomass power plant Download PDFInfo
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- CN202203972U CN202203972U CN2011202370838U CN201120237083U CN202203972U CN 202203972 U CN202203972 U CN 202203972U CN 2011202370838 U CN2011202370838 U CN 2011202370838U CN 201120237083 U CN201120237083 U CN 201120237083U CN 202203972 U CN202203972 U CN 202203972U
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Abstract
The utility model discloses a stokehold feeding system for a biomass power plant, which comprises a feeding bin, a primary horizontal feeding mechanism and a secondary horizontal feeding mechanism, wherein the primary horizontal feeding mechanism is arranged at the bottom of the feeding bin, the secondary horizontal feeding mechanism is used for feeding materials for an incinerator, the primary horizontal feeding mechanism is communicated with the secondary horizontal feeding mechanism by a vertical chute, the lower part of the feeding bin is arranged above the primary horizontal feeding mechanism, a biomass bin kick-out device is arranged at the lower part of the feeding bin, the primary horizontal feeding mechanism comprises a plurality of primary shaftless spiral feeding machines which are arranged in parallel and driven by a motor, an outlet of each primary shaftless spiral feeding machine leads to an inlet of the vertical chute, an outlet of the vertical chute leads to a feeding hole of the secondary horizontal feeding mechanism, and the biomass bin kick-out device comprises a plurality of spiral biomass kick-out shafts which are arranged in parallel. With the stokehold feeding system, broken biomass can be evenly and smoothly fed into the incinerator and be fully burnt for generating electricity, so that better energy-saving and environment-friendly effects are achieved.
Description
Technical field
The utility model relates to a kind of biomass electric power plant front-furnace feeding system.
Background technology
Biomass electric power plant is sent into incinerator with the living beings of fragmentation through the front-furnace feeding system and is burned the generating of generation heat; The firing efficiency of its incinerator is directly related with the uniformity that the front-furnace feeding system sends into living beings; It is insufficient to send into the unstable rule burning of uniformity; Not only biomass energy can not be made full use of, also more exhaust emission can be produced.Present front-furnace feeding system clearly reaches broken sufficient biomass energy to classification has normal input uniformity, wants abundant broken living beings but use present equipment, and its cost is higher; But in actual environment, living beings come source category various or disorderly and unsystematic, when running into similar stalk, easy winding living beings; Be not easy abundant fragmentation; Be very easy to cause the input non-uniform phenomenon when therefore importing, even block up, reduced firing efficiency in the front-furnace feeding system.Therefore, how to improve the input uniformity of front-furnace feeding system, thereby the firing efficiency and the feature of environmental protection that improve incinerator also become an one of which main design studies direction.
The utility model content
The technical problem that the utility model will solve provides a kind of biomass electric power plant front-furnace feeding system, can broken living beings evenly be imported incinerator smoothly, lets the abundant combustion power generation of living beings, has better effects of energy conservation and environmental protection.
For solving the problems of the technologies described above; The utility model adopts following technical scheme; A kind of biomass electric power plant front-furnace feeding system; Comprise feed hopper, be located at the horizontal feeder of one-level of feed hopper bottom, to the horizontal feeder of the secondary of incinerator feeding, be communicated with through vertical elephant trunk between the horizontal feeder of one-level and the horizontal feeder of secondary, the top that the feed hopper bottom is in the horizontal feeder of one-level is provided with Kick-out device of biomass silo; It is characterized in that: the horizontal feeder of said one-level is not by some having a screw(-type) feeder by motor-driven one-level and forming of being arranged in parallel; Every one-level does not have the import that vertical elephant trunk is led in a screw(-type) feeder outlet, and the feeding mouth of the horizontal feeder of secondary is led in the outlet of said vertical elephant trunk, and said Kick-out device of biomass silo comprises that the some biomass screws that are arranged in parallel dial the material axle and form.Kick-out device of biomass silo revolution adds helical structure, broken arch and to the effect of the even material seeding of one-level feed when playing living beings such as the straw storehouse in and putting up a bridge, and press in the storehouse of carrying large number of biological matter simultaneously, and making does not have a spiral starting operation at the bottom of the storehouse and becomes easily the minimizing electrical power.
Preferably; Said biomass screw is dialled the material axle and is comprised group material main shaft; Dialling material main shaft outer ring surface in axial direction is provided with plurality of sections and dials the material helical blade; Wherein adjacent the dialling between the material helical blade of dialling is equipped with some groups of material pieces on the material main shaft outer ring surface, the abutting end hand of spiral of said adjacent group of material helical blade is opposite.
Preferably, said group of material build portion is dentation.Be convenient to stir living beings, have the effect of tearing once more simultaneously.
Preferably; Said group of material helical blade is made up of first section, some stage casings and rear, and said first section is one section backpitch blade, and the stage casing is made up of one section backpitch blade of one section right-handed screw blade connection; The right-handed screw blade end in stage casing is near first section, and rear is one section right-handed screw blade.
Improved, also evenly be provided with some fins of dialling that stretch out blade top eaves on said right-handed screw blade and the backpitch blade, be convenient to the promotion and the addi-tional crusher of living beings, further reduce winding, bridging and arching phenomenon.
Preferably, the conveyor screw that said one-level does not have a screw(-type) feeder directly rests on the cell body that studs with abrasion-proof backing block, and cell body combines design in the feed hopper bottom; Do not have any supporting base with tail end in the middle of the conveyor screw, between conveyor screw and liner plate, can form padding layer during the running feeding and can avoid directly wearing and tearing between the two, do not have the central shaft screw feeding like this and have material and do not twine; No intermediate support is resistance material not; The big non-resistance in material stock space, conveying capacity is big, the advantage of power saving.
Preferably, the horizontal feeder of said secondary is by some being made up of motor-driven two nothing axle screw(-type) feeders of being arranged in parallel, and every two outlets of not having the axle screw(-type) feeders are led to incinerator and entered the mouth.
Said every two nothing axle screw(-type) feeders are driven by independent variable-frequency motor, incinerator inlet of every two nothing axle screw(-type) feeders correspondences.All speed governing separately of every two nothing axle screw(-type) feeder are like this regulated feeding coal to adapt to when boiler load changes.
Improved, the feeding mouth place of the oral area of said feed hopper and the horizontal feeder of secondary is provided with material-homogenating device, plays anti-resistance material and even blanking effect.Can't see among the skateboard structure material-homogenating device figure!
Improved, section is provided with the thermal walking compensation arrangement at the bottom of the said elephant trunk.
After adopting technique scheme, the utlity model has and can broken living beings evenly be imported incinerator smoothly, let the abundant combustion power generation of living beings, have better effects of energy conservation and environmental protection.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the structural representation one of the utility model biomass electric power plant front-furnace feeding system;
Fig. 2 is the structural representation two of the utility model biomass electric power plant front-furnace feeding system;
Fig. 3 dials the structural representation of material axle for biomass screw;
Fig. 4 dials another embodiment of material axle for biomass screw.
The specific embodiment
As depicted in figs. 1 and 2; Be the utility model biomass electric power plant front-furnace feeding system embodiment, comprise feed hopper 01, be located at the horizontal feeder of one-level of feed hopper bottom,, be communicated with through vertical elephant trunk 02 between the horizontal feeder of one-level and the horizontal feeder of secondary to the horizontal feeder of secondary of incinerator 001 feeding; Section is provided with thermal walking compensation arrangement 021 at the bottom of the elephant trunk; The top that the feed hopper bottom is in the horizontal feeder of one-level is provided with Kick-out device of biomass silo, and the horizontal feeder of said one-level is not by some having a screw(-type) feeder 03 by motor-driven one-level and forming of being arranged in parallel, and present embodiment is 6; Every one-level does not have the import that vertical elephant trunk 02 is led in a screw(-type) feeder outlet; The feeding mouth of the horizontal feeder of secondary is led in the outlet of said vertical elephant trunk, and said Kick-out device of biomass silo comprises that the some spirals that are arranged in parallel dial material axle 05 and form, and the conveyor screw that said one-level does not have a screw(-type) feeder directly rests on the cell body that studs with abrasion-proof backing block 031; Cell body combines design in feed hopper 01 bottom; Conveyor screw centre and tail end do not have any supporting base, and the horizontal feeder of said secondary is by some being made up of motor-driven two nothing axle screw(-type) feeders 04 of being arranged in parallel, and present embodiment is 3; The incinerator inlet is led in every two outlets of not having the axle screw(-type) feeder; Said every two nothing axle screw(-type) feeders are driven by independent variable-frequency motor, incinerator inlet of every two nothing axle screw(-type) feeders correspondences, and promptly incinerator is provided with 3 incinerators inlets; Above-mentioned vertical elephant trunk is 3, two ends corresponding respectively two and do not have a screw(-type) feeder and one twoly do not have an axle screw(-type) feeder.The feeding mouth place of the oral area of said feed hopper and the horizontal feeder of secondary also is provided with material-homogenating device.002 is motor among the figure, and 003 is system base.
Like Fig. 3, the said biomass screw of the utility model is dialled material axle 05 and is comprised that two ends are provided with group material main shaft 1 that minor axis 11 is used for being connected with the bearing block assembly that is located at the feed bin both sides, dial the material main shaft and can use pipe; Minor axis is through two side connecting plates and pipe welding; Dial material main shaft outer ring surface and in axial direction be provided with plurality of sections and dial the material helical blade, wherein adjacent the dialling between the material helical blade of dialling is equipped with some groups of material pieces 2 on the material main shaft outer ring surface, and the abutting end hand of spiral of said adjacent group of material helical blade is opposite; Said group of material piece 2 heads are dentation; Said adjacent the dialling group material piece that ring is established on group material main shaft outer ring surface between the material helical blade is 2～8, and present embodiment is 3, as required more polylith can be set certainly; Dialling the material helical blade described in the present embodiment is made up of first section, some stage casings and rear; First section is one section backpitch blade 31, and the stage casing connects one section backpitch blade 31 by one section right-handed screw blade 32 and forms, and the right-handed screw blade 32 and the backpitch blade 31 in stage casing are symmetrical set; The right-handed screw blade end in stage casing is near first section; Rear is one section right-handed screw blade 32, also evenly is provided with some group fins 4 that stretch out blade top eaves on said right-handed screw blade and the backpitch blade, the length and width of said group of fin, the thick 50mm * 50mm * 8mm that is respectively.
Being located at group material helical blade of dialling on the material main shaft outer ring surface in the foregoing description also can be all identical, like Fig. 4, promptly connects one section backpitch blade 31 by one section right-handed screw blade 32 and forms, and right-handed screw blade and backpitch blade are symmetrical set.
Claims (10)
1. biomass electric power plant front-furnace feeding system; Comprise feed hopper (01), be located at the horizontal feeder of one-level of feed hopper bottom, to the horizontal feeder of the secondary of incinerator feeding; Be communicated with through vertical elephant trunk (02) between the horizontal feeder of one-level and the horizontal feeder of secondary; The top that the feed hopper bottom is in the horizontal feeder of one-level is provided with Kick-out device of biomass silo; It is characterized in that: the horizontal feeder of said one-level is not by some having a screw(-type) feeder (03) by motor-driven one-level and forming of being arranged in parallel; Every one-level does not have the import that vertical elephant trunk is led in a screw(-type) feeder outlet, and the feeding mouth of the horizontal feeder of secondary is led in the outlet of said vertical elephant trunk, and said Kick-out device of biomass silo comprises that the some biomass screws that are arranged in parallel dial material axle (05) and form.
2. biomass electric power plant front-furnace feeding according to claim 1 system; It is characterized in that: said biomass screw is dialled the material axle and is comprised group material main shaft (1); Dialling material main shaft outer ring surface in axial direction is provided with plurality of sections and dials the material helical blade; Wherein adjacent the dialling between the material helical blade of dialling is equipped with some groups of material pieces (2) on the material main shaft outer ring surface, the abutting end hand of spiral of said adjacent group of material helical blade is opposite.
3. biomass electric power plant front-furnace feeding according to claim 2 system is characterized in that: said group of material build portion is dentation.
4. biomass electric power plant front-furnace feeding according to claim 3 system; It is characterized in that: said group of material helical blade is made up of first section, some stage casings and rear; Said first section is one section backpitch blade (31); The stage casing connects one section backpitch blade (31) by one section right-handed screw blade (32) and forms, and the right-handed screw blade end in stage casing is near first section, and rear is one section right-handed screw blade.
5. biomass electric power plant front-furnace feeding according to claim 2 system is characterized in that: also evenly be provided with on said right-handed screw blade and the backpitch blade some stretch out blade top eaves dial fins (4).
6. biomass electric power plant front-furnace feeding according to claim 1 system; It is characterized in that: the conveyor screw that said one-level does not have a screw(-type) feeder rests on the cell body that studs with abrasion-proof backing block; Cell body combines design in the feed hopper bottom, and conveyor screw centre and tail end do not have supporting base.
7. according to any described biomass electric power plant front-furnace feeding system in the claim 1 to 6; It is characterized in that: the horizontal feeder of said secondary is by some being made up of motor-driven two nothing axle screw(-type) feeders (04) of being arranged in parallel, and every two outlets of not having the axle screw(-type) feeders are led to incinerator and entered the mouth.
8. biomass electric power plant front-furnace feeding according to claim 7 system is characterized in that: said every is not twoly had axle screw(-type) feeders and is driven by independent variable-frequency motor, and every two does not have the corresponding incinerator of axle screw(-type) feeders and enter the mouth.
9. according to any described biomass electric power plant front-furnace feeding system in the claim 1 to 6, it is characterized in that: the feeding mouth place of the oral area of said feed hopper and the horizontal feeder of secondary is provided with material-homogenating device.
10. according to any described biomass electric power plant front-furnace feeding system in the claim 1 to 6, it is characterized in that: section is provided with thermal walking compensation arrangement (021) at the bottom of the said elephant trunk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202370838U CN202203972U (en) | 2011-07-06 | 2011-07-06 | Stokehold feeding system for biomass power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202370838U CN202203972U (en) | 2011-07-06 | 2011-07-06 | Stokehold feeding system for biomass power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203972U true CN202203972U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202370838U Expired - Fee Related CN202203972U (en) | 2011-07-06 | 2011-07-06 | Stokehold feeding system for biomass power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203972U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200289A (en) * | 2011-07-06 | 2011-09-28 | 钱尧翎 | Front feeding system of biomass power plant furnace |
| CN103115351A (en) * | 2013-01-30 | 2013-05-22 | 沈阳汇丰生物能源发展有限公司 | Combustion device of biomass chain grate furnace |
| CN104609213A (en) * | 2015-02-03 | 2015-05-13 | 浙江中科兴环能设备有限公司 | Screw material conveyor |
| CN104627628A (en) * | 2015-02-03 | 2015-05-20 | 浙江中科兴环能设备有限公司 | Shaftless screw conveyor |
| CN110589519A (en) * | 2019-08-29 | 2019-12-20 | 张家港市鑫港机械制造有限公司 | Stokehole feeding system of grate furnace |
-
2011
- 2011-07-06 CN CN2011202370838U patent/CN202203972U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200289A (en) * | 2011-07-06 | 2011-09-28 | 钱尧翎 | Front feeding system of biomass power plant furnace |
| CN103115351A (en) * | 2013-01-30 | 2013-05-22 | 沈阳汇丰生物能源发展有限公司 | Combustion device of biomass chain grate furnace |
| CN103115351B (en) * | 2013-01-30 | 2015-08-12 | 沈阳汇丰生物能源发展有限公司 | A kind of biomass chain boiler burner |
| CN104609213A (en) * | 2015-02-03 | 2015-05-13 | 浙江中科兴环能设备有限公司 | Screw material conveyor |
| CN104627628A (en) * | 2015-02-03 | 2015-05-20 | 浙江中科兴环能设备有限公司 | Shaftless screw conveyor |
| CN110589519A (en) * | 2019-08-29 | 2019-12-20 | 张家港市鑫港机械制造有限公司 | Stokehole feeding system of grate furnace |
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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: ZHEJIANG ZOKSEN ENVIRO-ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: QIAN YAOLING Effective date: 20150527 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150527 Address after: 313102 new century Industrial Park, Li Jia alley, Huzhou, Zhejiang, Changxing County Patentee after: Zhejiang Zoksen Enviro-Energy Equipment Co., Ltd. Address before: Limited company of equipment can 313102 Zhejiang city of Huzhou Province branch ring Lijiaxiang Industrial Park of Zhejiang in the new century Patentee before: Qian Yaoling |
|
| 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: 20120425 Termination date: 20190706 |