CN215982615U - Ash and slag discharging device for water seal belt of biomass boiler - Google Patents
Ash and slag discharging device for water seal belt of biomass boiler Download PDFInfo
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- CN215982615U CN215982615U CN202121432829.0U CN202121432829U CN215982615U CN 215982615 U CN215982615 U CN 215982615U CN 202121432829 U CN202121432829 U CN 202121432829U CN 215982615 U CN215982615 U CN 215982615U
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Abstract
The utility model provides an ash and slag discharging device for a water-sealing belt of a biomass boiler, which is used for being connected with the boiler, and comprises: the device comprises a belt conveying mechanism and a water seal tank filled with water; the water seal tank is arranged at the bottom of the boiler and is used for receiving ash discharged by the boiler; the belt conveying mechanism comprises a belt, at least part of the belt is positioned at the bottom of the water seal tank and used for conveying the ash in the water seal tank; the belt conveying mechanism further comprises a stirring plate, and the stirring plate is located in the water seal tank and used for stirring ash and slag in the water seal tank. The ash is conveyed by the movement of the belt conveying mechanism, and the problem of layering of floating ash and a water seal belt is solved by the stirring plate. The ash discharging and deslagging device of the water-sealing belt of the biomass boiler avoids the contact of other equipment parts except the belt with water with ash, greatly reduces the wear rate of the equipment and reduces the failure rate of the equipment.
Description
Technical Field
The utility model relates to an ash and slag discharging device for a water-sealed belt of a biomass boiler.
Background
The main ash discharging points of the biomass boiler comprise the front ash discharging point, the bottom ash discharging point and the bottom of the air preheater. The ash discharging mode usually adopted by the ash discharging in front of the furnace is hydraulic ash flushing, and meanwhile, a grey water sedimentation tank and an ash flushing ditch need to be matched, so the civil engineering quantity is large. Therefore, the dry ash discharging method is gradually replacing the conventional wet ash discharging method.
In the prior art, a common dry ash discharge method is to use a water-sealed scraper conveyor, wherein a scraper conveyor tank is also a water-sealed tank, and a chain and a scraper of the scraper conveyor are immersed in water during operation.
The water seal scraper conveyor is adopted, and the problems are that: because the chain is immersed in water, the chain made of common carbon steel cannot meet the use requirement, a material with strong corrosion resistance is needed, the cost is increased, and the equipment manufacturing cost is high. And in the stokehole deslagging process, besides the biomass ash after combustion, a large amount of sand is carried, and fine biomass ash and sand can enter a gap between a roller of the chain and a sleeve, after the chain is operated for a period of time, the roller of the chain cannot rotate, and when the chain is operated, rolling friction is changed into sliding friction, so that the abrasion of a sliding rail of the equipment and the power consumption of a motor are increased, meanwhile, the risk of chain breakage is increased, the equipment is easy to abrade, the service life of the equipment is shortened, and the failure rate of the equipment is high. In addition, the water seal scraper conveyor is difficult to maintain, once a chain is broken, the maintenance cannot be isolated, so that the equipment is recovered to operate, the furnace is required to be shut down, and the production and the manufacture are influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a biomass boiler water-sealing belt ash discharge apparatus that overcomes or at least partially solves the above problems.
In order to solve the problems, the utility model discloses an ash and slag discharging device for a water-sealed belt of a biomass boiler, which particularly comprises an ash and slag discharging device for a water-sealed belt of a bagasse boiler. Biomass boiler water seal belt goes out grey slag discharging device for be connected with the boiler, biomass boiler water seal belt goes out grey slag discharging device and includes: the device comprises a belt conveying mechanism and a water seal tank filled with water; wherein the content of the first and second substances,
the water seal tank is arranged at the bottom of the boiler and is used for receiving ash discharged by the boiler;
the belt conveying mechanism comprises a belt, at least part of the belt is positioned at the bottom of the water seal tank and used for conveying the ash in the water seal tank;
the belt conveying mechanism further comprises a stirring plate, and the stirring plate is located in the water seal tank and used for stirring ash and slag in the water seal tank.
Optionally, the belt conveying mechanism further comprises: a driving roller and a driven roller;
the driving roller is positioned at one end of the water seal tank; the driven roller is positioned at the other end of the water seal tank;
the belt is wound on the driving roller and the driven roller, the driving roller drives the belt to move, and the movement of the belt drives the driven roller to move.
Optionally, the belt conveying mechanism further comprises: a plurality of pinch roller assemblies;
the pinch roller assembly is connected to the water seal groove, and the belt is located between the water seal groove and the pinch roller assembly, so that the belt is tightly attached to the water seal groove.
Optionally, the plurality of pinch roller assemblies are sequentially arranged between the driving roller and the driven roller at intervals and have consistent heights; wherein the content of the first and second substances,
among the plurality of pinch roller assemblies, the pinch roller assembly near the driving roller is a first pinch roller assembly, and the pinch roller assembly near the driven roller is a second pinch roller assembly;
the height of the highest point of the contact between the driving roller and the belt is higher than the height of the contact point between the first pinch roller assembly and the belt, and the height of the highest point of the contact between the driven roller and the belt is higher than the height of the contact point between the second pinch roller assembly and the belt;
the transmission path of the belt comprises a horizontal transmission section, a first inclined transmission section and a second inclined transmission section, wherein the horizontal transmission section is a transmission section between the first pinch roller assembly and the second pinch roller assembly, the first inclined transmission section is a transmission section between the first pinch roller assembly and the driving roller, and the second inclined transmission section is a transmission section between the second pinch roller assembly and the driven roller.
Optionally, the inclination angle between the first inclined transmission section and the horizontal transmission section is 15-20 °, and the inclination angle between the second inclined transmission section and the horizontal transmission section is 15-20 °.
Optionally, the pinch roller assembly comprises: a first side wheel, a second side wheel and a central shaft;
the first side wheel and the second side wheel are oppositely arranged at intervals, and the central shaft penetrates through the first side wheel and the second side wheel and is fixedly connected with the first side wheel and the second side wheel;
the two ends of the central shaft are rotatably connected with the bearing seats, the bearing seats are slidably connected with the support, and the support is fixedly connected with the water seal tank.
Optionally, the stirring plate is connected between the first side wheel and the second side wheel and is disposed near edges of the first side wheel and the second side wheel;
the belt moves to drive the stirring plate on the pinch roller assembly to move, so that the floating ash on the upper layer of the water seal tank and the bottom ash are uniformly stirred, the problem that the floating ash is layered when the belt moves is solved, and the problem that accumulated floating ash blocks an ash outlet and an ash outlet of a boiler is solved.
Optionally, the biomass boiler water sealing belt ash discharge and slag discharge device further comprises: a height adjustment structure;
the height adjusting structures are arranged at two ends of the central shaft and are respectively connected with the central shaft and the outer side of the water seal tank;
the height of the central shaft on the water seal tank is adjusted by the height adjusting structure so as to adjust the height of the pinch roller assembly, and therefore the belt is attached to the bottom of the water seal tank.
Optionally, the height adjustment structure includes: the device comprises a bracket, a bearing seat, a screw and a nut;
the bracket is fixed on the water seal tank, and the nut is fixed on the bracket;
the bearing seats are rotatably connected to two ends of the central shaft and are connected to the bracket in a sliding manner;
one end of the screw is connected with the bearing seat in a hanging mode, the other end of the screw penetrates through the support and is meshed with the nut on the support, and under the condition that the screw rotates in the nut, the screw can drive the bearing seat to slide on the support, and the height of the central shaft on the water seal tank is adjusted.
Optionally, the biomass boiler water sealing belt ash discharging and slag discharging device further comprises: an overflow port and a water replenishing pipeline;
the overflow port is arranged in the water seal tank and used for discharging water in the water seal tank;
the water replenishing pipeline is arranged in the water seal tank, and a valve of the water replenishing pipeline is adjusted to be normally opened after being adjusted to a preset position and is used for injecting water into the water seal tank.
The utility model has the following advantages: the belt of the ash discharging and slag discharging device of the water-sealed belt of the biomass boiler is at least partially positioned at the bottom of the water-sealed tank, and the water-sealed tank is used for receiving ash discharged by the boiler, performing water sealing through water to keep negative pressure and cooling high-temperature ash. At least part of the belt positioned at the bottom of the water seal tank can convey ash slag which is cooled by water in the water seal tank along with the movement of the belt conveying mechanism, so that the ash slag is separated from the water seal tank by a conveying belt, and the ash slag in front of the boiler is output. The belt conveying mechanism further comprises a stirring plate, and the stirring plate is located in the water seal tank and used for stirring ash and slag in the water seal tank. Through the stirring board along with pinch roller subassembly's motion lets water and lime-ash intensive mixing in the water sealed tank for liquid level ash floating and area face sediment mix in water, and the layering and the unable problem of taking away from when avoiding ash floating and belt motion solve the ash floating accumulation and finally block up the problem of boiler ash outlet slag notch. Compared with the existing water seal scraper conveyor, the ash and slag discharging device of the water seal belt of the biomass boiler does not need a chain and a scraper with strong corrosion resistance, avoids the contact of other equipment parts except the belt with water with ash, greatly reduces the wear rate of the equipment, and reduces the failure rate of the equipment and the investment of the equipment.
Drawings
FIG. 1 is a schematic structural diagram of an ash and slag discharging device of a water-sealing belt of a biomass boiler;
FIG. 2 is a schematic structural view of the section A-A of an ash discharging and slag discharging device of a water-sealing belt of a biomass boiler, which is disclosed by the utility model;
FIG. 3 is an enlarged schematic view of the height adjusting structure of the ash discharging and slag discharging device of the water-sealing belt of the biomass boiler.
The reference numbers illustrate:
10-a belt conveying mechanism; 20-water sealing the tank; 11-a belt; 12-a drive roller; 13-a driven drum; 14-a pinch roller assembly; 15-a first pinch roller assembly; 16-a second pinch roller assembly; 111-a first inclined transport section; 112-horizontal transfer section; 113-a second inclined transport section; 141-a first side wheel; 142-a second side wheel; 143-central axis; 144-stirring plate; 17-a height adjustment structure; 171-a scaffold; 172-a bearing seat; 173-screw rod; 174-a nut; 21-an overflow port; 22-water supplement pipeline.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
According to the ash and slag discharging device for the water-sealed belt of the biomass boiler, at least part of the belt is positioned at the bottom of the water-sealed groove, and the water-sealed groove is used for receiving ash and slag discharged by the boiler, performing water sealing through water to maintain negative pressure and cooling high-temperature ash and slag. At least part of the belt positioned at the bottom of the water seal tank can convey ash subjected to cooling in the water seal tank along with the movement of the belt conveying mechanism, so that the ash is separated from the water seal tank by a conveying belt, and the ash in front of the boiler is output. The belt conveying mechanism further comprises a stirring plate, and the stirring plate is located in the water seal tank and used for stirring ash and slag in the water seal tank. Through the motion of stirring board 144, let water and lime-ash intensive mixing in the water sealed tank for liquid level floats ash and takes the face sediment to mix in water, solves the ash of floating and water seal belt layering problem, has avoided the ash of floating to accumulate the problem of blockking up boiler ash outlet slag notch. Compared with the existing water seal scraper conveyor, the ash and slag discharging device of the water seal belt of the biomass boiler does not need a chain and a scraper with strong corrosion resistance, avoids the contact of other equipment parts except the belt with water with ash, greatly reduces the wear rate of the equipment and reduces the failure rate of the equipment.
Referring to fig. 1 to 2, there are shown schematic structural diagrams of an ash and slag discharging device of a water-sealing belt of a biomass boiler, which is used for being connected with a boiler, and comprises: a belt conveying mechanism 10 and a water seal tank 20 filled with water; wherein, the water seal tank 20 is arranged at the bottom of the boiler and is used for receiving ash discharged by the boiler; the belt conveying mechanism 10 comprises a belt 11, and the belt 11 is at least partially positioned at the upper part of the bottom of the water seal tank 20 and is used for conveying the ash in the water seal tank 20. The belt conveying mechanism further comprises a stirring plate 144, and the stirring plate 144 is located in the water-sealed tank 20 and used for stirring ash in the water-sealed tank 20.
The belt 11 of the ash discharging and deslagging device of the water-sealed belt of the biomass boiler is at least partially positioned at the upper part of the bottom of the water-sealed tank 20, and the water-sealed tank 20 is used for receiving ash discharged by the boiler, performing water sealing through water to maintain negative pressure and cooling high-temperature ash. Meanwhile, the water seal groove 20 also plays a certain supporting and protecting role for the belt 11, and at least part of the belt 11 positioned at the upper part of the groove bottom of the water seal groove 20 is in sliding friction with the water seal groove 20. The belt 11 at least partially positioned at the upper part of the bottom of the water seal tank 20 conveys ash subjected to cooling in the water seal tank 20 along with the movement of the belt conveying mechanism 10, so that the ash leaves the water seal tank 20 by the conveying belt, and the ash in front of the boiler is output. Through the motion of stirring board 144, let water and lime-ash intensive mixing in the water sealed tank 20 for liquid level floats ash and takes the face sediment to mix in water, has solved the ash floating and water seal belt layering problem, has avoided the ash floating accumulation to block up the problem of boiler ash outlet slag notch. Compared with the existing water seal scraper conveyor, the ash discharging and deslagging device of the water seal belt of the biomass boiler does not need a carbon steel chain with strong corrosion resistance in water, avoids the contact of other equipment parts except the belt 11 with water with ash, greatly reduces the wear rate of the equipment, and reduces the failure rate of the equipment.
Alternatively, in an embodiment of the present invention, the belt 11 may include: canvas belts, rubber belts, nylon belts, PU belts, polyester belts, etc., and in practical applications, the specific type of the belt 11 may not be limited by the embodiments of the present invention.
Optionally, the belt conveying mechanism 10 further includes: a driving roller 12 and a driven roller 13; the driving roller 12 is positioned at one end of the water seal tank 20; the driven roller 13 is positioned at the other end of the water seal tank 20; the belt 11 is wound on the driving roller 12 and the driven roller 13, the driving roller 12 drives the belt 11 to move, and the movement of the belt 11 drives the driven roller 13 to move.
In the embodiment of the present invention, the driving roller 12 is used as a driving power source, the movement of the driving roller 12 drives the belt 11 wound thereon to move, and the movement of the belt 11 drives the driven roller 13 to move, thereby realizing the circular movement of the belt 11.
Optionally, the belt conveying mechanism 10 further includes a belt lower supporting roller for supporting the movement of the belt 11 and a redirecting supporting roller for redirecting the movement direction of the belt 11 so that a portion of the belt 11 moves in conformity with the water seal tank 20. In practical application, if the belt lower carrier roller and the redirection carrier roller are damaged or worn due to long service time, the belt lower carrier roller and the redirection carrier roller can be replaced and repaired in real time without shutdown, so that the maintenance in production is facilitated.
Optionally, the belt conveying mechanism 10 further includes: a plurality of pinch roller assemblies 14; the pinch roller assembly 14 is connected to the water seal tank 20, and the belt 11 is located between the water seal tank 20 and the pinch roller assembly 14 so that the belt 11 is tightly attached to the water seal tank 20. The pinch roller assembly 14 presses the belt 11 against the water seal tank 20 to prevent the movement of the belt 11 of the belt feeding mechanism 10 from wrinkling and causing ash on the belt 11 to displace relative to the belt 11.
In the embodiment of the present invention, the number of the pinch roller assemblies 14 can be increased or decreased according to the length of the belt, and the 4 pinch roller assemblies 14 in fig. 1 are only shown schematically. In practical applications, the specific number of the pinch roller assemblies 14 in the embodiment of the present invention may not be limited.
Alternatively, a plurality of pinch roller assemblies 14 are sequentially arranged between the driving roller 12 and the driven roller 13 at intervals and have the same height; among the plurality of pinch roller assemblies 14, the pinch roller assembly close to the driving roller 12 is a first pinch roller assembly 15, and the pinch roller assembly close to the driven roller 13 is a second pinch roller assembly 16; the height of the highest point of the contact between the driving roller and the belt is higher than the height of the contact point between the first pinch roller assembly and the belt, and the height of the highest point of the contact between the driven roller and the belt is higher than the height of the contact point between the second pinch roller assembly and the belt; the conveying path of the belt 11 includes a horizontal conveying section 112, a first inclined conveying section 111, and a second inclined conveying section 113, the horizontal conveying section 112 being a conveying section between the first pinch roller assembly 15 and the second pinch roller assembly 16, the first inclined conveying section 111 being a conveying section between the first pinch roller assembly 15 and the driving roller 12, and the second inclined conveying section 113 being a conveying section between the second pinch roller assembly 16 and the driven roller 13.
In the embodiment of the present invention, the transfer section between the first pinch roller assembly 15 and the second pinch roller assembly 16 forms the horizontal transfer section 112, so that the ash on the belt 11 can be smoothly transferred; the transfer section between the first pinch roller assembly 15 and the driving roller 12 forms a first inclined transfer section 111, the transfer section between the second pinch roller assembly 16 and the driven roller 13 forms a second inclined transfer section 113, and the first inclined transfer section 111 and the second inclined transfer section 113 make the belt 11 follow the inclination of both ends of the water-sealed tank 20, so that the ash on the belt 11 is conveyed away from the water-sealed tank 20.
Optionally, the inclination angle between the first inclined transmission section 111 and the horizontal transmission section 112 is 15-20 °, and the inclination angle between the second inclined transmission section 113 and the horizontal transmission section 112 is 15-20 °. Setting the inclination angle between the first inclined conveying section 111 and the horizontal conveying section 112 and the inclination angle between the second inclined conveying section 113 and the horizontal conveying section 112 to the above-described angle value range enables the ash to be stabilized on the belt 11 without being displaced along with the movement of the belt 11.
Optionally, the pinch roller assembly 14 comprises: a first side wheel 141, a second side wheel 142 and a central shaft 143; the first side wheel 141 and the second side wheel 142 are oppositely arranged at intervals, and the central shaft 143 penetrates through the first side wheel 141 and the second side wheel 142 and is fixedly connected with the first side wheel 141 and the second side wheel 142; both ends of the central shaft 143 are rotatably connected to the water seal tank 20. The central shaft 143 is fixedly connected to the first side wheel 141 and the second side wheel 142, so that the belt 11 is pressed along the width direction by the two side wheels arranged at intervals and tightly attached to the water seal tank 20.
Optionally, the stirring plate 144 is connected between the first side wheel 141 and the second side wheel 142, and is disposed near the edges of the first side wheel 141 and the second side wheel 142; the movement of the belt 11 drives the movement of the agitating plate 144 on the belt pulley assembly 14 to agitate the ash in the water-sealed tank 20. The upper-layer floating ash and the bottom ash of the water seal tank are uniformly stirred by the stirring plate 144 moving along with the pinch roller, so that the problem of layering with the floating ash during the movement of the belt is solved, and the problem that the accumulated floating ash blocks the ash outlet of the boiler is solved.
Specifically, the first pinch roller assembly 15 and the second pinch roller assembly 16 mainly function to press the belts 11 at both ends of the belt conveying mechanism 10, so as to prevent the belts 11 from wrinkling along with the movement of the belt conveying mechanism 10, and ash on the belts 11 is easily displaced relative to the belts 11. The remaining pinch roller assemblies 14 function to agitate the ash in the water-sealed tank 20, primarily through the agitation plate 144. The upper-layer floating ash and the bottom ash of the water seal tank are uniformly stirred by the stirring plate 144 moving along with the pinch roller, so that the problem of layering with the floating ash during the movement of the belt is solved, and the problem that the accumulated floating ash blocks the ash outlet of the boiler is solved.
Optionally, the biomass boiler water sealing belt ash discharge and slag discharge device further comprises: a height adjusting structure 17; the height adjusting structures 17 are arranged at two ends of the central shaft 143 and are respectively connected with the central shaft 143 and the outer side of the water seal tank 20; the height adjusting structure 17 adjusts the height of the central shaft 143 above the water seal tank 20 to adjust the height of the pinch roller assembly 14. Through the height of the upper and lower regulation center shaft on water seal tank 20 to adjust the height of pinch roller assembly 14 at water seal tank 20, make the highly adapted thickness of belt 11 of pinch roller assembly 14 adjust, thereby compress tightly belt 11, guarantee that belt 11 and water seal tank 20's tank bottom are laminated.
Referring to fig. 3, there is shown an enlarged schematic view of the structure of the height adjustment structure 17 of the present invention. The height adjusting structure 17 includes: a bracket 171, a bearing block 172, a screw 173, and a nut 174; the bracket 171 is fixed on the water seal groove 20, and the nut 173 is fixed on the bracket 171; the bearing seats 172 are rotatably connected to both ends of the central shaft 143, and the bearing seats 172 are slidably connected to the bracket 171; one end of the screw 173 is connected with the bearing block 172 in a hanging manner, and the other end of the screw is inserted into the bracket 171 and engaged with the nut 174 on the bracket 171, so that under the condition that the screw 173 rotates in the nut 174, the bearing block 172 can be driven to slide on the bracket 171, and the height of the central shaft 143 on the water seal tank 20 can be adjusted. The bearing housing 172 is then slid up and down on the bracket 171 by the screw 173, so that the center shaft 143 connected to the bearing housing 172 moves up and down, thereby achieving height adjustment of the pinch roller assembly 14.
Optionally, the biomass boiler water sealing belt ash discharge and slag discharge device further comprises: an overflow port 21 and a water replenishing pipeline 22; the overflow port 21 is arranged in the water seal tank 20 and used for discharging water in the water seal tank 20; the water replenishing pipeline 22 is arranged in the water seal tank 20, and a valve of the water replenishing pipeline is adjusted to a preset position and then is normally opened for injecting water into the water seal tank 20.
In the embodiment of the utility model, when the water in the water seal tank 20 is excessive, the water overflows out of the water seal tank 20, and the overflow port 21 is arranged on the water seal tank 20, so that the excessive water can be guided to a nearby trench, and the water in the water seal tank 20 can be kept at a proper water level; because the ash residue with high temperature falls into the water to reduce the temperature, the water in the water seal tank 20 has evaporation loss, and the water replenishing pipeline 22 is arranged on the water seal tank 20 to replenish the injected water into the water seal tank 20. In order to ensure simple and reliable operation, when the ash and slag discharging device of the water-sealed belt of the biomass boiler operates normally, the valve on the water supplementing pipeline 22 is kept normally open after being adjusted to a preset position, and the preset position is a position capable of keeping water flow stable and appropriate, so that water in the water-sealed tank 20 can maintain the water-sealed height.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The ash and slag discharging device of the water-sealed belt of the biomass boiler provided by the utility model is described in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a biomass boiler water sealing belt goes out grey slag discharging device for be connected with the boiler, its characterized in that, biomass boiler water sealing belt goes out grey slag discharging device includes: the device comprises a belt conveying mechanism and a water seal tank filled with water; wherein the content of the first and second substances,
the water seal tank is arranged at the bottom of the boiler and is used for receiving ash discharged by the boiler;
the belt conveying mechanism comprises a belt, at least part of the belt is positioned at the bottom of the water seal tank and used for conveying the ash in the water seal tank;
the belt conveying mechanism further comprises a stirring plate, and the stirring plate is located in the water seal tank and used for stirring ash and slag in the water seal tank.
2. The biomass boiler water sealing belt ash discharge slag discharging device according to claim 1, wherein the belt conveying mechanism further comprises: a driving roller and a driven roller;
the driving roller is positioned at one end of the water seal tank; the driven roller is positioned at the other end of the water seal tank;
the belt is wound on the driving roller and the driven roller, the driving roller drives the belt to move, and the movement of the belt drives the driven roller to move.
3. The biomass boiler water sealing belt ash discharge slag discharging device according to claim 2, wherein the belt conveying mechanism further comprises: a plurality of pinch roller assemblies;
the pinch roller assembly is connected to the water seal groove, and the belt is located between the water seal groove and the pinch roller assembly, so that the belt is tightly attached to the water seal groove.
4. The ash discharge and slag discharge device of the water sealing belt of the biomass boiler as recited in claim 3, wherein the plurality of pinch roller assemblies are sequentially arranged between the driving roller and the driven roller at intervals and have consistent heights; wherein the content of the first and second substances,
among the plurality of pinch roller assemblies, the pinch roller assembly near the driving roller is a first pinch roller assembly, and the pinch roller assembly near the driven roller is a second pinch roller assembly;
the height of the highest point of the contact between the driving roller and the belt is higher than the height of the contact point between the first pinch roller assembly and the belt, and the height of the highest point of the contact between the driven roller and the belt is higher than the height of the contact point between the second pinch roller assembly and the belt;
the conveying path of the belt comprises a horizontal conveying section, a first inclined conveying section and a second inclined conveying section; the horizontal transmission section is a transmission section between the first pinch roller assembly and the second pinch roller assembly, the first inclined transmission section is a transmission section between the first pinch roller assembly and the driving roller, and the second inclined transmission section is a transmission section between the second pinch roller assembly and the driven roller.
5. The ash discharge device of the biomass boiler water sealing belt according to claim 4, wherein the inclination angle between the first inclined transmission section and the horizontal transmission section is 15-20 degrees, and the inclination angle between the second inclined transmission section and the horizontal transmission section is 15-20 degrees.
6. The biomass boiler water-seal belt ash discharge slag discharge device according to claim 3, wherein the pinch roller assembly comprises: a first side wheel, a second side wheel and a central shaft;
the first side wheel and the second side wheel are oppositely arranged at intervals, and the central shaft penetrates through the first side wheel and the second side wheel and is fixedly connected with the first side wheel and the second side wheel.
7. The ash discharge and slag discharge device of the water sealing belt of the biomass boiler as recited in claim 6, wherein the stirring plate is connected between the first side wheel and the second side wheel and is arranged close to the edges of the first side wheel and the second side wheel;
the movement of the belt drives the stirring plate on the pinch roller assembly to move, so that the floating ash on the upper layer of the water seal tank and the ash on the bottom of the water seal tank are uniformly stirred.
8. The biomass boiler water-sealing belt ash discharge device according to claim 6, further comprising: a height adjustment structure;
the height adjusting structures are arranged at two ends of the central shaft and are respectively connected with the central shaft and the water seal tank;
the height of the central shaft on the water seal tank is adjusted by the height adjusting structure so as to adjust the height of the pinch roller assembly, and therefore the belt is attached to the bottom of the water seal tank.
9. The biomass boiler water sealing belt ash discharge slag discharging device according to claim 8, wherein the height adjusting structure comprises: the device comprises a bracket, a bearing seat, a screw and a nut;
the bracket is fixed on the water seal tank, and the nut is fixed on the bracket;
the bearing seats are rotatably connected to two ends of the central shaft and are connected to the bracket in a sliding manner;
one end of the screw is connected with the bearing seat in a hanging mode, the other end of the screw penetrates through the support and is meshed with the nut on the support, and under the condition that the screw rotates in the nut, the screw can drive the bearing seat to slide on the support, and the height of the central shaft on the water seal tank is adjusted.
10. The biomass boiler water-sealing belt ash discharge device according to claim 1, wherein the biomass boiler water-sealing belt ash discharge device further comprises: an overflow port and a water replenishing pipeline;
the overflow port is arranged in the water seal tank and used for discharging water in the water seal tank;
the water replenishing pipeline is arranged in the water seal tank, and a valve of the water replenishing pipeline is adjusted to be normally opened after being adjusted to a preset position and is used for injecting water into the water seal tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432829.0U CN215982615U (en) | 2021-06-24 | 2021-06-24 | Ash and slag discharging device for water seal belt of biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121432829.0U CN215982615U (en) | 2021-06-24 | 2021-06-24 | Ash and slag discharging device for water seal belt of biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215982615U true CN215982615U (en) | 2022-03-08 |
Family
ID=80578497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121432829.0U Active CN215982615U (en) | 2021-06-24 | 2021-06-24 | Ash and slag discharging device for water seal belt of biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215982615U (en) |
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2021
- 2021-06-24 CN CN202121432829.0U patent/CN215982615U/en active Active
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