CN210267275U - Novel grate transmission system of biomass briquette fuel combustor - Google Patents
Novel grate transmission system of biomass briquette fuel combustor Download PDFInfo
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- CN210267275U CN210267275U CN201921203714.7U CN201921203714U CN210267275U CN 210267275 U CN210267275 U CN 210267275U CN 201921203714 U CN201921203714 U CN 201921203714U CN 210267275 U CN210267275 U CN 210267275U
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Abstract
The utility model discloses a grate transmission system of a novel biomass briquette burner, wherein a rotary grate comprises a conical bottom plate, a supporting sleeve and a gear ring; a plurality of bottom supporting wheels are uniformly arranged below the gear ring along the circumferential direction, the central axis of each bottom supporting wheel is positioned in the radial direction of the cylindrical combustor base, and the gear ring is placed on the bottom supporting wheels; a plurality of bottom supporting support rods are fixedly arranged on the inner wall of the combustor base along the radial direction of the combustor base, and the bottom supporting wheels are rotatably arranged at the inner ends of the positioning support rods; a plurality of positioning wheels are uniformly arranged on the outer side of the supporting sleeve along the circumferential direction, the central axis of each positioning wheel is parallel to the central axis of the burner base, and the outer wall of the supporting sleeve is in rotational contact with the positioning wheels; and a plurality of positioning support rods are fixedly arranged on the inner wall of the combustor base along the radial direction of the combustor base, and the positioning wheels are rotatably arranged at the inner ends of the positioning support rods. The utility model discloses a rotatory grate supports stably, reliably, has guaranteed the long-time steady operation of combustor.
Description
Technical Field
The utility model belongs to the technical field of the biomass combustion, concretely relates to novel grate transmission system of biomass briquette fuel combustor.
Background
The biomass energy has the advantages of being renewable, clean, low-carbon, rich in raw materials and the like. China is a big agricultural country, straw treatment is a national problem all the time, about 8 million tons of straws are produced every year, about 3.4 million tons of straws can be used as fuel except part of straws used as paper making raw materials, livestock feeds and the like, and the quantity of straws is reduced to 17000 million tons of standard coal. According to policy and environmental protection requirements of China, coal burning is not allowed for 20-ton boilers and the output of a plurality of biomass burners cannot be large, so that the medium-sized boiler cannot be changed into biomass burning. The existing biomass burner only can burn good materials when picking materials, and the materials with large water content and large ash content of fuel cannot be burned, so that the price of the good fuel is always in the rising trend of price.
The rotary grate that present combustor all used usually has the unreliable shortcoming of support, has leaded to along with long-time operation, and the rotary grate can appear rocking in the course of the work, and the eccentric rotation of rotary grate has influenced the normal operating of combustor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough and provide a novel grate transmission system of biomass briquette fuel combustor, the support of rotatory grate is stable, reliable, has guaranteed the long-time steady operation of combustor.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a fire grate transmission system of a novel biomass briquette burner comprises a conical rotary fire grate which is rotatably arranged in a burner base; the rotary grate comprises a conical bottom plate, a conical grate refractory layer which is paved on the conical bottom plate and is also conical, a plurality of blast air caps which are uniformly inserted in the grate refractory layer, an ash falling port which is arranged at the center of the conical bottom plate and the grate refractory layer, a supporting sleeve which is coaxially and fixedly arranged at the outer side of the bottom of the conical bottom plate, a plurality of annular upper air distributing cylinders which are arranged at the inner side of the supporting sleeve and a gear ring which is fixedly arranged at the outer part of the upper end of the supporting sleeve; the outer side wall of the combustor base is fixedly provided with a grate motor, a grate reducer and a gear box which are sequentially connected in a transmission manner, and a power output gear of the gear box is meshed with the gear ring; a plurality of bottom supporting wheels are uniformly arranged below the gear ring along the circumferential direction, the central axis of each bottom supporting wheel is positioned in the radial direction of the cylindrical combustor base, and the gear ring is placed on each bottom supporting wheel; a plurality of bottom supporting support rods are fixedly arranged on the inner wall of the combustor base along the radial direction of the combustor base, and the bottom supporting wheels are rotatably arranged at the inner ends of the positioning support rods; a plurality of positioning wheels are uniformly arranged on the outer side of the supporting sleeve along the circumferential direction, the central axis of each positioning wheel is parallel to the central axis of the burner base, and the outer wall of the supporting sleeve is in rotational contact with the positioning wheels; the combustor base is characterized in that a plurality of positioning support rods are fixedly arranged on the inner wall of the combustor base along the radial direction of the combustor base, and the positioning wheels are rotatably arranged at the inner ends of the positioning support rods.
Furthermore, 3 sets of bottom supporting wheels and positioning wheels are arranged.
Furthermore, an annular sliding groove is formed in the bottom surface of the gear ring, and the top of the bottom supporting wheel is located in the annular sliding groove.
Furthermore, the rotary grate, the gear ring, the supporting sleeve and the burner base are all coaxially arranged.
Furthermore, a plurality of circles of lower air distributing cylinders for supplying air to the corresponding annular upper air distributing cylinders are arranged below the upper air distributing cylinders; the top of each circle of lower air distributing cylinder faces the bottom of the corresponding upper air distributing cylinder; a plurality of lower air distributing cylinders in the same circumferential direction are arranged in groups, arc-shaped air quantity adjusting baffles are movably arranged on air supply outlets close to each group of lower air distributing cylinders, and air quantity adjusting rods are fixedly connected to the outer ends of the air quantity adjusting baffles.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses it is rotatory to utilize the ring gear to drive rotatory grate, through installing the support return pulley in the ring gear bottom to mutually supporting through locating wheel and support sleeve, guaranteed that rotatory grate can long-time steady operation, can not produce and rock the phenomenon, solved the rotatory eccentric phenomenon of grate, and then guaranteed the long-time steady operation of combustor, avoided excessively rocking the frequent maintenance problem of blowing out of the furnace that appears because of the grate.
Drawings
FIG. 1 is a schematic view of the vertical structure of the upper rotary grate of the present invention;
fig. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic view of the lower air distributing duct arrangement structure of the lower part of the utility model;
FIG. 4 is a schematic view of the vertical structure of the burner of the present invention;
in the figure: 1. the device comprises a combustor base, 2, a slag extractor, 3, a rotary grate, 4, a combustion chamber, 5, a rotary material extractor, 6, a packing auger feeding device, 7, a fire outlet channel, 8, a top cover, 9, an air blower, 10, a distributing fan, 14, an air quantity adjusting baffle, 16, a lower air distributing cylinder, 54, an air quantity adjusting rod, 301, a grate motor, 302, a grate reducer, 303, a gear box, 304, a gear ring, 305, a conical bottom plate, 306, an upper air distributing cylinder, 307, a supporting bottom wheel, 308, a positioning wheel, 309, an air blowing hood, 310, a grate refractory layer, 311 and an ash falling port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, the utility model discloses a fire grate transmission system of a novel biomass briquette combustion machine, which comprises a conical rotary fire grate 3 which is rotatably arranged in a combustion machine base 1; the rotary grate 3 comprises a conical bottom plate 305, a conical grate refractory layer 310 which is paved on the conical bottom plate 305 and is also conical, a plurality of blast air caps 309 which are uniformly inserted in the grate refractory layer 310, an ash falling port 311 which is arranged at the centers of the conical bottom plate 305 and the grate refractory layer 310, a supporting sleeve 312 which is coaxially and fixedly arranged at the outer side of the bottom of the conical bottom plate 305, a plurality of annular upper air distributing cylinders 306 which are arranged at the inner side of the supporting sleeve 312 and a gear ring 304 which is fixedly arranged at the outer part of the upper end of the supporting sleeve 312; the outer side wall of the combustor base 1 is fixedly provided with a grate motor 301, a grate speed reducer 302 and a gear box 303 which are sequentially connected in a transmission manner, and a power output gear of the gear box 303 is meshed with a gear ring 304; a plurality of bottom supporting wheels 307 are uniformly arranged below the gear ring 304 along the circumferential direction, the central axis of each bottom supporting wheel 307 is positioned in the radial direction of the cylindrical combustor base 1, and the gear ring 304 is placed on the bottom supporting wheels 307; a plurality of bottom supporting struts are fixedly arranged on the inner wall of the combustor base 1 along the radial direction of the combustor base 1, and bottom supporting wheels 307 are rotatably arranged at the inner ends of the positioning struts; a plurality of positioning wheels 308 are uniformly arranged on the outer side of the supporting sleeve 312 along the circumferential direction, the central axis of each positioning wheel 308 is parallel to the central axis of the burner base 1, and the outer wall of the supporting sleeve 312 is in rotational contact with the positioning wheels 308; on the inner wall of combustor base 1 and along combustor base 1's radial many location branch that have set firmly, locating wheel 308 rotates the inner that sets up at location branch.
Each of the base wheel 307 and the positioning wheel 308 has 3 sets.
The bottom surface of the gear ring 304 is provided with an annular sliding groove, and the top of the bottom supporting wheel 307 is positioned in the annular sliding groove.
The rotary grate 3, the ring gear 304, the support sleeve 312 and the burner base 1 are all coaxially arranged.
The utility model discloses by gear box 303's power take off gear rotation ring gear 304, it is rotatory in combustor base 1 to drive rotatory grate 3, and whole rotatory grate 3 is supported by 3 groups 6 support return pulleys 307 altogether, lets whole rotatory grate 3 keep the center rotatory by 3 groups 6 locating wheels 308 altogether, has guaranteed that rotatory grate 3 can long-time steady operation, can not produce and rock the phenomenon, has solved the rotatory eccentric phenomenon of grate, and then has guaranteed the long-time steady operation of combustor.
As shown in fig. 3, the upper air distributing cylinder 306) is provided with a plurality of circles of lower air distributing cylinders 16 for supplying air to the corresponding annular upper air distributing cylinders 306; the top of each circle of lower air distributing cylinder 16 is respectively right opposite to the bottom of the corresponding upper air distributing cylinder 306, and the bottom of the lower air distributing cylinder 16 is communicated with the air blowing chamber; the plurality of lower air distributing cylinders 16 in the same circumferential direction are arranged in groups, circular arc-shaped air quantity adjusting baffles 14 are movably arranged on air supply outlets tightly attached to each group of lower air distributing cylinders 16, air quantity adjusting rods 54 are fixedly connected to the outer ends of the air quantity adjusting baffles 14, and the outer ends of the air quantity adjusting rods 54 are movably inserted into the side wall of the combustor base 1. The air volume adjusting rods 54 are generally arranged along the radial direction of the base 1, and the air volume of the upper sub-wind tunnel 306 can be adjusted by pushing and pulling the air volume adjusting rods 54 to adjust the coverage area of the air volume adjusting baffle 14 on the air supply outlet of each group of lower sub-wind tunnels 16. Each group of lower air distributing cylinders 16 is respectively provided with an independent air quantity adjusting baffle 14 for adjusting the air quantity so as to increase or decrease the air quantity relative to the combustion position aiming at different combustion positions of the rotary furnace row 3.
Claims (5)
1. A fire grate transmission system of a novel biomass briquette burner comprises a conical rotary fire grate (3) which is rotatably arranged in a burner base (1); the rotary grate (3) comprises a conical bottom plate (305), a conical grate refractory layer (310) which is laid on the conical bottom plate (305) and is also conical, a plurality of blast air caps (309) which are uniformly inserted in the grate refractory layer (310), an ash falling port (311) which is arranged at the centers of the conical bottom plate (305) and the grate refractory layer (310), a supporting sleeve (312) which is coaxially and fixedly arranged at the outer side of the bottom of the conical bottom plate (305), a plurality of annular upper air distributing cylinders (306) which are arranged at the inner side of the supporting sleeve (312) and a gear ring (304) which is fixedly arranged at the outer part of the upper end of the supporting sleeve (312); the outer side wall of the combustor base (1) is fixedly provided with a grate motor (301), a grate speed reducer (302) and a gear box (303) which are sequentially connected in a transmission manner, and a power output gear of the gear box (303) is meshed with a gear ring (304);
a plurality of bottom supporting wheels (307) are uniformly arranged below the gear ring (304) along the circumferential direction, the central axis of each bottom supporting wheel (307) is located in the radial direction of the cylindrical combustor base (1), and the gear ring (304) is placed on the bottom supporting wheels (307); a plurality of bottom supporting support rods are fixedly arranged on the inner wall of the combustor base (1) along the radial direction of the combustor base (1), and bottom supporting wheels (307) are rotatably arranged at the inner ends of the positioning support rods;
a plurality of positioning wheels (308) are uniformly arranged on the outer side of the supporting sleeve (312) along the circumferential direction, the central axis of each positioning wheel (308) is parallel to the central axis of the burner base (1), and the outer wall of the supporting sleeve (312) is in rotational contact with the positioning wheels (308); the combustor base is characterized in that a plurality of positioning support rods are fixedly arranged on the inner wall of the combustor base (1) along the radial direction of the combustor base (1), and positioning wheels (308) are rotatably arranged at the inner ends of the positioning support rods.
2. The grate transmission system of the novel biomass briquette burner as claimed in claim 1, characterized in that: the bottom supporting wheel (307) and the positioning wheel (308) are respectively provided with 3 groups.
3. The grate transmission system of the novel biomass briquette burner as claimed in claim 1, characterized in that: an annular sliding groove is formed in the bottom surface of the gear ring (304), and the top of the bottom supporting wheel (307) is located in the annular sliding groove.
4. The grate transmission system of the novel biomass briquette burner as claimed in claim 1, characterized in that: the rotary grate (3), the gear ring (304), the supporting sleeve (312) and the combustor base (1) are all coaxially arranged.
5. The grate transmission system of the novel biomass briquette burner as claimed in claim 1, characterized in that: a plurality of circles of lower air distributing cylinders (16) for supplying air to the corresponding annular upper air distributing cylinders (306) are arranged below the upper air distributing cylinders (306); the top of each circle of lower air distributing cylinder (16) is respectively right opposite to the bottom of the corresponding upper air distributing cylinder (306); the plurality of lower air distributing cylinders (16) in the same circumferential direction are arranged in groups, arc-shaped air quantity adjusting baffles (14) are movably arranged on air supply outlets which are tightly attached to each group of lower air distributing cylinders (16), and air quantity adjusting rods (54) are fixedly connected to the outer ends of the air quantity adjusting baffles (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203714.7U CN210267275U (en) | 2019-07-29 | 2019-07-29 | Novel grate transmission system of biomass briquette fuel combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203714.7U CN210267275U (en) | 2019-07-29 | 2019-07-29 | Novel grate transmission system of biomass briquette fuel combustor |
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| CN210267275U true CN210267275U (en) | 2020-04-07 |
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| CN201921203714.7U Active CN210267275U (en) | 2019-07-29 | 2019-07-29 | Novel grate transmission system of biomass briquette fuel combustor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198763A (en) * | 2021-12-20 | 2022-03-18 | 信和（天津）环保科技发展有限公司 | Vertical refuse burning tower |
| CN114877338A (en) * | 2022-04-26 | 2022-08-09 | 西安旭旌再生资源有限公司 | Industry is useless hydrogen production pyrolysis combustion furnace admittedly |
-
2019
- 2019-07-29 CN CN201921203714.7U patent/CN210267275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198763A (en) * | 2021-12-20 | 2022-03-18 | 信和（天津）环保科技发展有限公司 | Vertical refuse burning tower |
| CN114877338A (en) * | 2022-04-26 | 2022-08-09 | 西安旭旌再生资源有限公司 | Industry is useless hydrogen production pyrolysis combustion furnace admittedly |
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