CN210398950U - Anti-coking grate of biomass bale fuel boiler - Google Patents
Anti-coking grate of biomass bale fuel boiler Download PDFInfo
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- CN210398950U CN210398950U CN201920902664.5U CN201920902664U CN210398950U CN 210398950 U CN210398950 U CN 210398950U CN 201920902664 U CN201920902664 U CN 201920902664U CN 210398950 U CN210398950 U CN 210398950U
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Abstract
The utility model relates to a biomass bale fuel boiler anti-coking grate, it includes a plurality of grate bars (1), transmission (2) and gear motor (3), the both ends of each grate bar (1) are rotated respectively and are installed on the lateral wall of boiler both sides, the position that each grate bar (1) is located between the boiler both sides wall is equipped with broken burnt tooth of a plurality of (11), outside the same axial with one end of each grate bar (1) extends to the boiler lateral wall respectively, transmission (2) are installed and are extended to between the tip outside the boiler at gear motor (3) axle and each grate bar, gear motor drives each grate bar and rotates. The biomass bale can crush the coke formed by the combustion of the biomass bales so as to ensure the normal combustion of the biomass in the boiler, and is favorable for ensuring the normal use of the boiler and exerting the heat efficiency of the boiler. The biomass grate has a simple structure and low cost, and adopts a rotary structure to roll biomass and coke on the grate, so that the biomass is disturbed to facilitate smooth combustion.
Description
Technical Field
The utility model relates to a boiler, concretely relates to biomass bale fuel boiler anti-coking grate.
Background
In order to treat crop straws, the state in the past years advocates to process straws into particles as fuel, but the cost of the particles processed from straws is high, so that the biomass particle fuel has no advantage in cost, and the popularization of the particle fuel is influenced. At present, biomass binding and burning boilers directly using packed straws as fuel are widely popularized in China, but biomass binding and burning as fuel are not as simple as common fuel, because the straws and other biomass contain sugar and soil, sticky coke can be generated during high-temperature burning in the boilers, and the coke is hung on the heated pipe wall of the boiler and is difficult to clean. Coking can also bind unburned straw, which, if not broken, can seriously affect the continued combustion of the straw in the boiler. The more coking on the heated pipe wall of the boiler can be accumulated, the heat exchange of the boiler can be seriously influenced, the lower and lower thermal efficiency of the boiler can cause the boiler to be incapable of being normally used, and finally, the boiler can be even completely scrapped.
Disclosure of Invention
The utility model aims at providing a can break the coking that the burning formed with the biomass bale and prevent the coking to guarantee living beings normal combustion in the boiler, be favorable to guaranteeing the normal use of boiler and the biomass bale fuel boiler anti-coking grate of performance boiler thermal efficiency.
The technical solution of the utility model is that: the boiler grate comprises a plurality of grate rods, a transmission device and a speed reducing motor, wherein the grate rods are arranged in parallel, two ends of each grate rod are respectively rotatably installed on the side walls of two sides of a boiler, a plurality of coke breaking teeth protruding out of the grate rods are arranged at intervals along the axial direction of the grate rods at the position between the two side walls of the boiler, the same axial ends of the grate rods respectively extend out of the side walls of the boiler, the transmission device is installed between the shaft of the speed reducing motor and the end part of each grate rod extending out of the boiler, and the speed reducing motor drives each grate rod to rotate through the transmission device.
The technical effects of the utility model are that: the biomass bale can crush the coking formed by biomass bale combustion to prevent coking, so as to ensure the normal combustion of the biomass in the boiler, and is beneficial to ensuring the normal use of the boiler and exerting the thermal efficiency of the boiler. The biomass grate has a simple structure and low cost, and adopts a rotary structure to roll biomass and coke on the grate, so that the biomass is disturbed to facilitate smooth combustion. The continuous rotation of the grate can prevent coking from adhering to the grate or adhering to the grate to form refractory coking, which is beneficial to ensuring the normal use of the grate and prolonging the service life of the grate.
The furnace grate can not only crush the coking in the rotating process, but also disturb the fuel and the coking, thereby being beneficial to the ventilation of the furnace grate, leading the fuel combustion effect to be better, being beneficial to the falling of ash and slag and leading the use effect to be more ideal.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a first three-dimensional structure diagram of a grate bar according to an embodiment of the present invention;
FIG. 3 is a second three-dimensional structure diagram of a grate bar according to an embodiment of the present invention;
FIG. 4 is a three-dimensional structure diagram of a grate bar according to an embodiment of the present invention;
FIG. 5 is a fourth perspective view of a grate bar according to an embodiment of the present invention;
FIG. 6 is a first schematic view of a grate bar transmission according to an embodiment of the present invention;
FIG. 7 is a second schematic view of the grate bar transmission according to the embodiment of the present invention;
FIG. 8 is a third schematic view of a grate bar transmission according to an embodiment of the present invention;
FIG. 9 is a schematic view of a grate bar transmission according to an embodiment of the present invention
Fig. 10 is a schematic perspective view of a second embodiment of the present invention.
Detailed Description
In the first embodiment, as shown in fig. 1, the boiler comprises a plurality of grate rods 1, a transmission device 2 and a speed reducing motor 3, wherein the grate rods 1 are arranged in parallel, two ends of each grate rod 1 are respectively rotatably installed on the side walls at two sides of a boiler, a plurality of coke breaking teeth 11 protruding out of the grate rods 1 are arranged at positions, between the two side walls of the boiler, of each grate rod 1 at intervals along the axial direction of the grate rod 1, the same ends, in the same axial direction, of each grate rod 1 respectively extend out of the side walls of the boiler, the transmission device 2 is installed between the shaft of the speed reducing motor 3 and the end, extending out of the boiler, of each grate rod 1, and the speed reducing motor 3 rotates to drive each grate rod 1 to rotate through the transmission device 2.
The coke breaking teeth 11 on the adjacent grate bars 1 are arranged in a staggered way along the axial direction of the grate bars 1.
The section of the coke breaking tooth 11 vertical to the axial direction of the grate bar 1 is cross-shaped.
As shown in figure 2, the end part of the coke breaking tooth 11 with the cross-shaped section facing the outside of the fire grate bar 1 is square.
As shown in figure 3, the end part of the coke breaking tooth 11 with the cross-shaped section facing the outside of the fire grate bar 1 is in a sharp head shape.
As shown in FIG. 4, the section of the coke-breaking tooth 11 perpendicular to the axial direction of the grate bar 1 is regular triangle.
As shown in FIG. 5, the coke-breaking teeth 11 have an olive-shaped cross section perpendicular to the axial direction of the grate bar 1.
As shown in fig. 6, the transmission device 2 is composed of a plurality of chain wheels 21 and a plurality of chains 22, the chain wheel 21 mounted on the shaft of the reduction motor 3 is connected with a chain wheel 21 mounted on the outermost grate bar 1 on one side through a chain 22, another chain wheel 21 mounted on the outermost grate bar 1 is connected with a chain wheel 21 mounted on the adjacent grate bar 1 through a chain 22, another chain wheel 21 mounted on the adjacent grate bar 1 is connected with a chain wheel 21 mounted on the next adjacent grate bar 1 through a chain 22, and so on, the chain wheel 21 mounted on the last grate bar 1 on the other side is connected with a chain wheel 21 mounted on the adjacent grate bar 1 through a chain 22, and the reduction motor 3 drives each grate bar 1 to rotate in the same direction through each chain wheel 21 and chain 22.
As shown in fig. 7, the transmission device 2 is composed of a plurality of chain wheels 21 and a chain 22, a chain wheel 21 is respectively installed at the shaft of the reduction motor 3 and the end of each grate bar 1, the chain 22 is matched with the upper side of each chain wheel 21 installed on each grate bar 1 and is matched with the chain wheel 21 on the shaft of the reduction motor 3, the chain wheel 21 on the shaft of the reduction motor 3 is downwards staggered with a distance from the chain wheel 21 on each grate bar 1 to ensure that the chain 22 is matched with each chain wheel 21 only at the upper side of the chain wheel 21 on each grate bar 1, the upper sides of the chains 22 between the chain wheels 21 of adjacent grate bars 1 are respectively provided with an intermediary chain wheel 21 for ensuring that the chain 22 is reliably matched with the chain wheel 21 on each grate bar 1, and the reduction motor 3 drives each grate bar 1 to rotate in the same direction through each chain wheel 21 and.
As shown in fig. 8, the transmission device 2 is composed of a plurality of chain wheels 21 and a chain 22, the shaft of the reduction motor 3 and the end of each grate bar 1 are respectively provided with one chain wheel 21, the chain 22 is S-shaped and is sequentially connected with the chain wheel 21 on each grate bar 1 and then is matched with the chain wheel 21 on the shaft of the reduction motor 3, the chain wheel 21 on the shaft of the reduction motor 3 and the chain wheel 21 on each grate bar 1 are staggered downwards by a certain distance to ensure that the chain 22 is matched with the chain wheel 21 only on one side of the chain wheel 21 on each grate bar 1, and the reduction motor 3 drives each adjacent grate bar 1 to rotate in the opposite direction through each chain wheel 21 and each chain 22.
As shown in fig. 9, the transmission device 2 is composed of a plurality of gears 23, a gear 23 is respectively installed on the shaft of the reduction motor 3 and each grate bar 1, the gears 23 on the adjacent grate bars 1 are meshed with each other, the gear 23 on the shaft of the reduction motor 3 is meshed with the gear 23 on the outermost grate bar 1 on one side, and the reduction motor 3 drives each adjacent grate bar 1 to rotate in the opposite direction through the gear 23.
In the second embodiment, as shown in fig. 10, the difference from the first embodiment is that a fixed grate pipe 4 is arranged between adjacent grate rods 1, the fixed grate pipe being axially parallel to the grate rods 1 and having two ends respectively communicating with water jackets on two side walls of the boiler. Three left, middle and right anti-grinding rods 41 are welded above each fixed furnace grate pipe 4 along the extending direction of the fixed furnace grate pipe 4, and a gap between each anti-grinding rod 41 and the fixed furnace grate pipe 4 is filled with a refractory material 42.
Claims (10)
1. Biomass bale fuel boiler anti-coking grate, it includes a plurality of fire grate rods (1), transmission (2) and gear motor (3), and each fire grate rod (1) parallels and arranges its characterized in that: the two ends of each grate rod (1) are respectively rotatably installed on the side walls of the two sides of the boiler, a plurality of coke breaking teeth (11) protruding out of the grate rods (1) are arranged at the positions, located between the two side walls of the boiler, of each grate rod (1) at intervals along the axial direction of the grate rods (1), the same axial ends of the grate rods (1) respectively extend out of the side walls of the boiler, a transmission device (2) is installed between the shaft of a speed reducing motor (3) and the end parts, extending out of the boiler, of each grate rod (1), and the speed reducing motor (3) rotates to drive each grate rod (1) to rotate through the transmission device (2).
2. The anti-coking grate for the biomass bale fuel boiler according to claim 1, characterized in that the coke-breaking teeth (11) on the adjacent grate bars (1) are arranged in a staggered manner along the axial direction of the grate bars (1).
3. The anti-coking fire grate for the biomass bale fuel boiler according to claim 1, characterized in that the cross section of the coke breaking teeth (11) perpendicular to the axial direction of the grate bar (1) is cross-shaped, and the end of the coke breaking teeth (11) facing the outside of the grate bar (1) is square or pointed.
4. The anti-coking grate for biomass bale fuel boiler as claimed in claim 1, characterized in that the coke breaking teeth (11) have a regular triangle or olive shape in cross section perpendicular to the axial direction of the grate bar (1).
5. The anti-coking fire grate for the biomass bale fuel boiler according to claim 1, characterized in that the transmission device (2) is composed of a plurality of chain wheels (21) and a plurality of chains (22), the chain wheel (21) arranged on the shaft of the speed reducing motor (3) is connected with one chain wheel (21) arranged on the outermost grate bar (1) at one side through one chain (22), the other chain wheel (21) arranged on the outermost grate bar (1) is connected with one chain wheel (21) arranged on the adjacent grate bar (1) through one chain (22), the other chain wheel (21) arranged on the adjacent grate bar (1) is connected with one chain wheel (21) arranged on the next adjacent grate bar (1) through one chain (22), and so on, the chain wheel (21) arranged on the last grate bar (1) at the other side is connected with one chain wheel (21) arranged on the adjacent grate bar (1) through one chain (22), the speed reducing motor (3) drives the grate bars (1) to rotate in the same direction through the chain wheels (21) and the chains (22).
6. The anti-coking fire grate for biomass bale fuel boilers as claimed in claim 1, characterized in that the transmission device (2) is composed of a plurality of chain wheels (21) and a chain (22), the shaft of the reduction motor (3) and the end of each grate bar (1) are respectively provided with a chain wheel (21), the chain (22) is matched with the upper side of each chain wheel (21) arranged on each grate bar (1) and matched with the chain wheel (21) on the shaft of the reduction motor (3), the chain wheel (21) on the shaft of the reduction motor (3) and the chain wheel (21) on each grate bar (1) are staggered downwards by a certain distance to ensure that the chain (22) is matched with each chain wheel (21) only on the upper side of the chain wheel (21) on each grate bar (1), the upper side of the chain wheel (22) between the chain wheels (21) of adjacent grate bars (1) is respectively provided with an intermediary (21) for ensuring the chain (22) and the chain wheel (21) on each grate bar (1) to be reliably matched, the speed reducing motor (3) drives the grate bars (1) to rotate in the same direction through the chain wheels (21) and the chains (22).
7. The anti-coking fire grate for the biomass bale fuel boiler according to claim 1, characterized in that the transmission device (2) is composed of a plurality of chain wheels (21) and a chain (22), the shaft of the speed reducing motor (3) and the end part of each grate bar (1) are respectively provided with one chain wheel (21), the chain (22) is S-shaped and is sequentially connected with the chain wheel (21) on each grate bar (1) and then is matched with the chain wheel (21) on the shaft of the speed reducing motor (3), the chain wheel (21) on the shaft of the speed reducing motor (3) and the chain wheel (21) on each grate bar (1) are staggered downwards by a certain distance, so as to ensure that the chain (22) is matched with the chain wheel (21) only at one side of the chain wheel (21) on each grate bar (1), and the speed reducing motor (3) drives each adjacent grate bar (1) to rotate towards the opposite direction through each chain wheel (21) and the chain (22).
8. The anti-coking fire grate for the biomass bale fuel boiler according to claim 1, characterized in that the transmission device (2) is composed of a plurality of gears (23), the shaft of the speed reducing motor (3) and each grate rod (1) are respectively provided with one gear (23), the gears (23) on the adjacent grate rods (1) are meshed with each other, the gear (23) on the shaft of the speed reducing motor (3) is meshed with the gear (23) on the outermost grate rod (1) on one side, and the speed reducing motor (3) drives each adjacent grate rod (1) to rotate towards the opposite direction through the gear (23).
9. The anti-coking grate for the biomass bale fuel boiler according to claim 1, characterized in that a fixed grate pipe (4) which is axially parallel to the grate rods (1) and is communicated with water jackets on two side walls of the boiler at two ends is arranged between the adjacent grate rods (1).
10. The anti-coking grate for the biomass bale fuel boiler according to claim 9, characterized in that three left, middle and right anti-grinding rods (41) are welded above each fixed grate pipe (4) along the extending direction of the fixed grate pipe (4), and a gap between each anti-grinding rod (41) and the fixed grate pipe (4) is filled with refractory materials (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902664.5U CN210398950U (en) | 2019-06-17 | 2019-06-17 | Anti-coking grate of biomass bale fuel boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902664.5U CN210398950U (en) | 2019-06-17 | 2019-06-17 | Anti-coking grate of biomass bale fuel boiler |
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| Publication Number | Publication Date |
|---|---|
| CN210398950U true CN210398950U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902664.5U Active CN210398950U (en) | 2019-06-17 | 2019-06-17 | Anti-coking grate of biomass bale fuel boiler |
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| CN (1) | CN210398950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145750A (en) * | 2019-06-17 | 2019-08-20 | 鸡西市圣火锅炉制造有限公司 | Biomass packs fuel boiler anti-coking fire grate |
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2019
- 2019-06-17 CN CN201920902664.5U patent/CN210398950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145750A (en) * | 2019-06-17 | 2019-08-20 | 鸡西市圣火锅炉制造有限公司 | Biomass packs fuel boiler anti-coking fire grate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230828 Address after: Changqing Xiang Xiangyang Village, Chengzihe District, Jixi City, Heilongjiang Province, 158170 Patentee after: Jixi Yili Boiler Manufacturing Co.,Ltd. Address before: 158170 No. 100, Yangguang Road, Chengzihe District, Jixi City, Heilongjiang Province Patentee before: JIXI SHENGHUO BOILER MANUFACTURING Co.,Ltd. |