阅读说明：本技术 一种锅炉输灰系统 (Boiler ash conveying system ) 是由 杨君凯 于 2021-07-30 设计创作，主要内容包括：本申请涉及一种锅炉输灰系统,涉及锅炉的领域,其包括输灰管与输灰组件,输灰管包括竖直输灰管、水平输灰管与出灰筒,竖直输灰管与锅炉固定连通,水平输灰管与竖直输灰管固定连通,出灰筒与水平输灰管固定连通,输灰组件分别设置在竖直输灰管与水平输灰管内。本申请具有输灰管可以根据锅炉设置的位置进行竖直输灰管与水平输灰管的管道对接,使得输灰系统占地面积较小,输灰组件可以将竖直输灰管与水平输灰管内的灰进行及时的输送,此锅炉输灰系统可以在满足及时输灰的条件下,实现小的占地面积的效果。(The utility model relates to a boiler ash conveying system relates to the field of boiler, and it includes ash conveying pipe and ash conveying subassembly, and ash conveying pipe includes vertical ash conveying pipe, horizontal ash conveying pipe and an ash discharge barrel, and vertical ash conveying pipe communicates with the boiler is fixed, and horizontal ash conveying pipe communicates with vertical ash conveying pipe is fixed, and an ash discharge barrel communicates with horizontal ash conveying pipe is fixed, and ash conveying subassembly sets up respectively in vertical ash conveying pipe and horizontal ash conveying pipe. This application has the defeated ash pipe and can carry out the pipeline butt joint of vertical defeated ash pipe and horizontal defeated ash pipe according to the position that the boiler set up for defeated ash system area is less, and defeated ash subassembly can carry out timely transport with the interior ash of vertical defeated ash pipe and horizontal defeated ash pipe, and this boiler defeated ash system can realize little area's effect under the condition that satisfies timely defeated ash.)

1. The utility model provides a boiler ash conveying system which characterized in that: including defeated ash pipe (2) and defeated grey subassembly (3), defeated ash pipe (2) are including vertical defeated ash pipe (21), horizontal defeated ash pipe (22) and play grey section of thick bamboo (23), vertical defeated ash pipe (21) and boiler (1) fixed intercommunication, horizontal defeated ash pipe (22) and vertical defeated ash pipe (21) fixed intercommunication, it is fixed intercommunication with horizontal defeated ash pipe (22) to go out grey section of thick bamboo (23), defeated grey subassembly (3) set up respectively in vertical defeated ash pipe (21) and horizontal defeated grey pipe (22).

2. The boiler ash conveying system according to claim 1, wherein: defeated grey subassembly (3) include two spiral defeated grey pieces (31), and two spiral defeated grey pieces (31) set up side by side, and are connected with first power component (4) jointly.

3. The boiler ash conveying system according to claim 2, characterized in that: spiral ash conveying part (31) includes hob (311) and spiral leaf (312), hob (311) rotates with vertical ash conveying pipe (21) and is connected, and spiral leaf (312) spiral winding is on hob (311) to with hob (311) fixed connection, the spiral leaf (312) spiral direction of two spiral ash conveying parts (31) is the same, and two spiral leaves (312) are crisscross the distribution in the direction of rotation of hob (311).

4. The boiler ash conveying system according to claim 3, wherein: one end of the spiral blade (312) far away from the spiral rod (311) is fixedly connected with a cutting edge (313).

5. The boiler ash conveying system according to claim 3, wherein: the surface of the spiral blade (312) is fixedly connected with a cutting knife (314).

6. The boiler ash conveying system according to claim 1, wherein: the tubular sections of the vertical ash conveying pipe (21) and the horizontal ash conveying pipe (22) are elliptical.

7. The boiler ash conveying system according to claim 4, wherein: the cutting edge (313) is abutted against the inner wall of the horizontal ash conveying pipe (22) or the inner wall of the vertical ash conveying pipe (21).

8. The boiler ash conveying system according to claim 3, wherein: an ash-proof cover (6) is arranged outside the first power assembly (4), the first power assembly (4) comprises a first driving wheel (41), a first motor (42), a first driven wheel (43) and a first transmission belt (44), and the first driving wheel (41) and the first motor (42) are both positioned outside the vertical ash conveying pipe (21) and are connected with the vertical ash conveying pipe (21); the screw rod (311) penetrates through the first driven wheel (43) and is fixedly connected with the first driven wheel (43); the first transmission belt (44) penetrates through the side wall of the vertical ash conveying pipe (21) and is in transmission connection with the first driving wheel (41) and the first driven wheel (43).

9. The boiler ash conveying system according to claim 1, wherein: the ash conveying component (3) in the horizontal ash conveying pipe (22) is connected with a second power component (5), the second power component (5) is located outside the horizontal ash conveying pipe (22), the second power component (5) comprises a second driving wheel (51), a second motor (52), a second driven wheel (53) and a second transmission belt (54), and the second driving wheel (51) and the second motor (52) are located outside the horizontal ash conveying pipe (22) and are connected with the horizontal ash conveying pipe (22); the screw rod (311) penetrates through the horizontal ash conveying pipe (22), and the second driven wheel (53) is fixedly connected with one end, penetrating through the horizontal ash conveying pipe (22), of the screw rod (311); the second transmission belt (54) is in transmission connection with the second driving wheel (51) and the second driven wheel (53).

Technical Field

The application relates to the field of boilers, in particular to an ash conveying system of a boiler.

Background

The boiler is divided into two functional parts of a boiler and a furnace, wherein the boiler is used for heating, vaporizing and separating water from steam, the furnace is used for burning fuel or releasing heat by other heat energy and comprises combustion equipment, a combustion chamber, a heat release flue and the like, the boiler is used for heating water into steam, and the boiler is also provided with auxiliary equipment such as a framework, a platform, an escalator, combustion, slag discharge, a smoke air duct, a pipeline, a furnace wall and the like besides the boiler and the furnace, wherein the boiler ash conveying system is a system for assisting the slag discharge of the boiler.

In the related art, the chinese application with the application number of 202010340658.2 discloses a boiler ash conveying system, which comprises an ash bucket, wherein a buffering component and a stirring component are arranged in the ash bucket, the buffering component is positioned below the stirring component, the buffering component comprises a buffering plate connected with the inner wall of the ash bucket along the horizontal direction, a feeding hole is formed in the middle of the buffering plate, and a material stopping plate for closing the feeding hole is hinged to the lower end surface of the buffering plate; the stirring assembly comprises a stirring plate connected with the inner wall of the ash hopper in the horizontal direction, the middle part of the upper end surface of the stirring plate is rotatably connected with a stirring shaft, the side wall of the stirring shaft is circumferentially connected with at least two stirring arms at intervals, and the lower end surface of the stirring plate is provided with a driving motor for driving the stirring shaft to rotate; the lower end of the ash bucket is connected with an ash conveying pump, and the lower end of the ash conveying pump is connected with an ash conveying pipe. The implementation principle is as follows: firstly, the boiler ash can drop on the buffer plate after getting into the ash bucket, and after piling up sufficient boiler ash on the flitch, the flitch of stopping is opened, and the boiler ash falls into the stirring board through the feed inlet on, and the stirring arm rotates and cooperates the arch to smash the boiler ash for the boiler ash drops to the ash conveying pipe from filtering the hole, avoids the ash bucket to block up.

In conclusion, the inventor believes that the boiler ash conveying system has the defect of large occupied area.

Disclosure of Invention

In order to solve the problem that the boiler ash conveying system occupies a large area, the application provides the boiler ash conveying system.

The application provides a boiler ash conveying system adopts following technical scheme:

the utility model provides a boiler ash conveying system, includes ash conveying pipe and ash conveying subassembly, and ash conveying pipe includes vertical ash conveying pipe, horizontal ash conveying pipe and a play ash section of thick bamboo, and vertical ash conveying pipe is fixed with the boiler and is communicate, and horizontal ash conveying pipe is fixed with vertical ash conveying pipe and communicates, goes out the ash section of thick bamboo and the fixed intercommunication of horizontal ash conveying pipe, and ash conveying subassembly (3) set up respectively in vertical ash conveying pipe (21) and horizontal ash conveying pipe (22).

Through adopting above-mentioned technical scheme, the setting of ash conveying pipe, because ash conveying pipe can carry out the pipeline butt joint of vertical ash conveying pipe and horizontal ash conveying pipe according to the position that the boiler set up, make ash conveying system area less, and the ash conveying subassembly in vertical ash conveying pipe and the horizontal ash conveying pipe can carry out timely transport with the ash in vertical ash conveying pipe and the horizontal ash conveying pipe, the ash is difficult to be detained in vertical ash conveying pipe and horizontal ash conveying pipe, this boiler ash conveying system can be under the condition that satisfies timely defeated ash, small area has been realized.

Optionally, the ash conveying component comprises two spiral ash conveying parts which are arranged in parallel and are connected with a first power component together.

Through adopting above-mentioned technical scheme, defeated grey setting of subassembly for defeated grey piece of two spirals can carry out defeated grey simultaneously, and the defeated grey piece of spiral that sets up side by side can break up the ash on the defeated grey piece of adjacent spiral and cut, makes the ash particle diameter on the defeated grey piece of spiral littleer, is difficult for blockking up, thereby defeated grey efficient.

Optionally, the spiral ash conveying part comprises a spiral rod and spiral leaves, the spiral rod is rotatably connected with the vertical ash conveying pipe, the spiral leaves are spirally wound on the spiral rod and fixedly connected with the spiral rod, the spiral leaves of the two spiral ash conveying parts are identical in spiral direction, and the two spiral leaves are distributed in a staggered manner in the rotating direction of the spiral rod.

Through adopting above-mentioned technical scheme, the setting of hob and spiral leaf for the hob can drive the spiral leaf and rotate when rotating, and pivoted spiral leaf can carry the ash material, and because two spiral leaf helical direction are the same, then two spiral leaves crisscross distribution when rotating, and two spiral leaves that crisscross distributed can cut the large granule lime-ash on another spiral leaf mutually, make the lime-ash particle diameter littleer, be difficult to block up vertical ash conveying pipe and horizontal ash conveying pipe, then this boiler ash conveying system ash conveying efficiency is high.

Optionally, one end of the spiral blade, which is far away from the spiral rod, is fixedly connected with a cutting edge.

Through adopting above-mentioned technical scheme, the setting of cutting sword for the cutting of pivoted spiral leaf to lime-ash is more meticulous, and cutting efficiency is higher, and then the lime-ash particle diameter after the cutting is littleer, and the lime-ash is difficult to block up vertical ash conveying pipe and horizontal ash conveying pipe, then this boiler ash conveying system ash conveying is efficient.

And a cutting knife is fixedly connected to the surface of the spiral blade.

By adopting the technical scheme, the arrangement of the cutting knife ensures that when ash conveyed by the spiral ash conveying part is conveyed, the cutting knife connected to the spiral blade can break up and cut the ash on the spiral blade; and in the rotating process of the spiral blades, the ash on the adjacent spiral blades can be scattered and cut by the cutting knife, so that the particle size of ash is smaller, the vertical ash conveying pipe and the horizontal ash conveying pipe are difficult to block, and the ash conveying efficiency of the boiler ash conveying system is high.

Optionally, the vertical ash conveying pipe and the horizontal ash conveying pipe are oval in longitudinal section.

Through adopting above-mentioned technical scheme, because vertical ash conveying pipe is oval with horizontal ash conveying pipe longitudinal section for the pipeline of vertical ash conveying pipe, horizontal ash conveying pipe can with the shape looks adaptation of two spiral vanes, the ash of vertical ash conveying pipe inner wall and horizontal ash conveying pipe inner wall can be scraped totally with the pivoted cutting edge, then most ash that gets into in vertical ash conveying pipe and the horizontal ash conveying pipe all can be carried away by two ash conveying subassemblies, this boiler ash conveying system ash conveying is efficient.

Optionally, the cutting edge abuts against the inner wall of the horizontal ash conveying pipe or the inner wall of the vertical ash conveying pipe.

Through adopting above-mentioned technical scheme, the butt of cutting sword and horizontal ash conveying pipe or vertical ash conveying pipe inner wall has further increased the efficiency that ash conveying subassembly carried the lime-ash, and the ash of vertical ash conveying pipe inner wall and horizontal ash conveying pipe inner wall can be scraped totally to pivoted cutting sword for almost there is not residual lime-ash in horizontal ash conveying pipe and vertical ash conveying pipe, has kept the unblocked of horizontal ash conveying pipe and vertical ash conveying pipe, then ash conveying efficiency is higher.

Optionally, an ash-proof cover is arranged on the outer cover of the first power assembly, the first power assembly comprises a first driving wheel, a first motor, a first driven wheel and a first transmission belt, and the first driving wheel and the first motor are both positioned outside the vertical ash conveying pipe and are connected with the vertical ash conveying pipe; the screw rod penetrates through the first driven wheel and is fixedly connected with the first driven wheel; the first transmission belt penetrates through the side wall of the vertical ash conveying pipe and is in transmission connection with the first driving wheel and the first driven wheel.

By adopting the technical scheme, the arrangement of the first power assembly ensures that when the first power assembly drives the ash conveying assembly to convey ash, the bottom end of the vertical ash conveying pipe is not opened, but the side wall of the vertical ash conveying pipe is opened, so that the ash in the boiler cannot leak out from the bottom end of the vertical ash conveying pipe under the action of gravity; and the setting of ash-proof cover for first power component is by the ash-proof cover separation, and first power component's operation is difficult to receive the influence of lime-ash, and first power component drives defeated ash of defeated ash system and is efficient.

Optionally, the ash conveying assembly in the horizontal ash conveying pipe is connected with a second power assembly, the second power assembly is located outside the horizontal ash conveying pipe, the second power assembly comprises a second driving wheel, a second motor, a second driven wheel and a second transmission belt, and the second driving wheel and the second motor are located outside the horizontal ash conveying pipe (22) and are connected with the horizontal ash conveying pipe; the screw rod penetrates out of the horizontal ash conveying pipe, and the second driven wheel is fixedly connected with one end of the screw rod, which penetrates out of the horizontal ash conveying pipe; the second transmission belt is in transmission connection with the second driving wheel and the second driven wheel.

Through adopting above-mentioned technical scheme, the setting of second power component for second power component when driving defeated grey subassembly and carry out defeated ash, the lime-ash that is located defeated grey intraductal of level can spill from going out an ash section of thick bamboo because the action of gravity is final, is difficult to spill from defeated grey pipe one end of level, has guaranteed defeated grey pipe's of level sealing performance.

In summary, the present application includes at least one of the following beneficial technical effects:

1. due to the arrangement of the ash conveying pipe, the ash conveying pipe can carry out pipeline butt joint of the vertical ash conveying pipe and the horizontal ash conveying pipe according to the arranged position of the boiler, so that the occupied area of the ash conveying system is small, the ash conveying assembly can convey ash in the vertical ash conveying pipe and the horizontal ash conveying pipe in time, and the boiler ash conveying system can realize small occupied area under the condition of meeting the requirement of timely ash conveying;

2. the arrangement of the screw rods and the screw blades ensures that the ash conveying parts of the spiral ash conveying parts with the same spiral direction of the two spiral blades are distributed in a staggered manner when rotating, and the two screw blades distributed in the staggered manner can mutually cut large-particle ash on the other screw blade, so that the ash particle size is smaller, the vertical ash conveying pipe and the horizontal ash conveying pipe are difficult to block, and the ash conveying efficiency of the boiler ash conveying system is high;

3. the vertical ash conveying pipe and the horizontal ash conveying pipe are oval, so that the pipelines of the vertical ash conveying pipe and the horizontal ash conveying pipe can be matched with the shapes of the two ash conveying assemblies, most of ash entering the vertical ash conveying pipe and the horizontal ash conveying pipe can be conveyed away by the two ash conveying assemblies, and the ash conveying efficiency of the boiler ash conveying system is high.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a schematic view of a structure intended to show a hidden ash conveying pipe;

FIG. 3 is a schematic diagram intended to show the structure of a first power assembly;

FIG. 4 is a schematic view for showing the structure of a rotary shaft seal ring;

FIG. 5 is a schematic diagram intended to show the structure of a second power assembly;

FIG. 6 is a schematic structural diagram of embodiment 2 of the present application;

fig. 7 is a schematic view intended to show the structure of the cutting knife.

Reference numerals: 1. a boiler; 2. an ash conveying pipe; 21. a vertical ash conveying pipe; 22. a horizontal ash conveying pipe; 23. discharging the ash cylinder; 3. an ash conveying component; 31. a spiral ash conveying part; 311. a screw rod; 312. helical leaves; 313. a cutting edge; 314. a cutting knife; 4. a first power assembly; 41. a first drive wheel; 42. a first motor; 43. a first driven wheel; 44. a first drive belt; 5. a second power assembly; 51. a second drive wheel; 52. a second motor; 53. a second driven wheel; 54. a second belt; 6. an ash-proof cover; 61. and a rotating shaft sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses boiler ash conveying system. Referring to fig. 1 and 2, the boiler ash conveying system comprises an ash conveying pipe 2 and an ash conveying assembly 3 which are positioned below a boiler 1, wherein the ash conveying pipe 2 comprises a vertical ash conveying pipe 21, a horizontal ash conveying pipe 22 and an ash discharging barrel 23, one end of the vertical ash conveying pipe 21 is fixedly communicated with the boiler 1, the other end of the vertical ash conveying pipe is fixedly communicated with one end of the horizontal ash conveying pipe 22, and the horizontal ash conveying pipe 22 is fixedly communicated with the ash discharging barrel 23; defeated grey subassembly 3 sets up to two sets of, and two sets of defeated grey subassemblies 3 set up respectively in vertical defeated grey pipe 21 and horizontal defeated grey pipe 22, and set up defeated grey subassembly 3 in vertical defeated grey pipe 21 and be connected with first power component 4, set up defeated grey subassembly 3 in horizontal defeated grey pipe 22 and be connected with second power component 5.

When the boiler 1 needs to be conveyed with ash, a worker opens the first power assembly 4 and the second power assembly 5, the first power assembly 4 drives the ash conveying assembly 3 in the vertical ash conveying pipe 21 to convey ash, and the second power assembly 5 drives the ash conveying assembly 3 in the horizontal ash conveying pipe 22 to convey ash; the ash in the boiler 1 firstly falls into the vertical ash conveying pipe 21, the vertical ash conveying pipe 21 conveys the ash in the vertical ash conveying pipe 21 to one end of the vertical ash conveying pipe 21 close to the horizontal ash conveying pipe 22, the ash conveying component 3 in the horizontal ash conveying pipe 22 continuously conveys the ash to the ash discharging barrel 23, and the ash leaks out of the ash discharging barrel 23.

Referring to fig. 1, the vertical ash conveying pipe 21 is vertically arranged, and the top end of the vertical ash conveying pipe is welded and fixed with and communicated with the bottom end of the boiler 1; the horizontal ash conveying pipe 22 is horizontally arranged and fixedly communicated with the vertical ash conveying pipe 21, the vertical ash conveying pipe 21 and the horizontal ash conveying pipe 22 are fixed in a welding mode, and the tubular sections of the horizontal ash conveying pipe 22 and the vertical ash conveying pipe 21 are oval; go out grey section of thick bamboo 23 and be located horizontal defeated ash pipe 22 below, and be located horizontal defeated ash pipe 22 and keep away from vertical defeated ash pipe 21 one end, go out grey section of thick bamboo 23 and horizontal defeated ash pipe 22 fixed intercommunication, and adopt welded fastening's mode, go out grey section of thick bamboo 23 and keep away from horizontal defeated ash pipe 22 one end and be the opening form.

Referring to fig. 1 and 2, the ash conveying assembly 3 comprises two spiral ash conveying members 31, wherein the two spiral ash conveying members 31 are arranged in parallel and are connected with the vertical ash conveying pipe 21; referring to fig. 1 and 3, the spiral ash conveying member 31 includes a spiral rod 311 and spiral blades 312, the spiral rod 311 is vertically disposed, and the bottom end of the spiral rod 311 is rotatably connected with the vertical ash conveying pipe 21, the spiral blades 312 are spirally wound on the spiral rod 311 and are welded and fixed with the spiral rod 311, one side of the spiral blades 312 away from the spiral rod 311 is fixedly connected with a cutting edge 313, the cutting edge 313 and the spiral blades 312 are integrally formed, and the cutting edge 313 abuts against the inner wall of the vertical ash conveying pipe 21; the spiral direction of the spiral blades 312 of the two spiral ash conveying members 31 is the same, and the two spiral blades 312 are partially staggered in the rotation direction of the spiral rod 311.

When the ash falls into the vertical ash conveying pipe 21, the spiral ash conveying part 31 in the vertical ash conveying pipe 21 is driven by the first power assembly 4 to rotate, the rotating spiral blade 312 conveys the ash in the vertical ash conveying pipe 21 to one end close to the horizontal ash conveying pipe 22, in the conveying process, as the cutting blade 313 abuts against the inner wall of the vertical ash conveying pipe 21, the ash adhered to the inner wall of the vertical ash conveying pipe 21 is wiped off by the cutting blade 313, the cutting blades 313 on the two spiral blades 312 can mutually cut the ash on the spiral blade 312, and the particle size of the ash on the spiral blade 312 is reduced, so that the conveying is facilitated.

Referring to fig. 1 and 3, the first power assembly 4 includes a first driving wheel 41, a first motor 42, a first driven wheel 43 and a first transmission belt 44, the first driving wheel 41 and the first motor 42 are located outside the vertical ash conveying pipe 21, the first motor 42 is fixedly connected with the vertical ash conveying pipe 21 by bolts, and a driving shaft of the first motor 42 is connected with the first driving wheel 41 by a key; the first driven wheels 43 are provided in two, wherein one screw rod 311 passes through one first driven wheel 43 and is welded and fixed with the first driven wheel 43, and the other screw rod 311 passes through the other first driven wheel 43 and is welded and fixed with the other first driven wheel 43; the first transmission belt 44 penetrates through the side wall of the vertical ash conveying pipe 21 and is in transmission connection with the first driving wheel 41 and the two first driven wheels 43; an ash-proof cover 6 is arranged outside the first driven wheel 43 and the first transmission belt 44 which are positioned in the vertical ash conveying pipe 21, and the ash-proof cover 6 is fixedly welded with the inner wall of the vertical ash conveying pipe 21; referring to fig. 4, an opening through which the screw 311 can pass is formed in the ash-proof cover 6, a rotary shaft sealing ring 61 is fixedly bonded to the opening of the ash-proof cover 6, and the rotary shaft sealing ring 61 is rotatably connected with the screw 311.

After the first motor 42 is started, the driving shaft of the first motor 42 rotates to drive the first driving wheel 41 to rotate, the first driving wheel 41 drives the first driving belt 44 to rotate, the first driving belt 44 drives the two first driven wheels 43 to rotate, the two first driven wheels 43 drive the two spiral rods 311 to rotate, the two spiral rods 311 drive the two spiral blades 312 to rotate, and the rotating spiral blades 312 convey ash in the vertical ash conveying pipe 21.

Referring to fig. 1 and 5, the second power assembly 5 is located at one end of the horizontal ash conveying pipe 22 far away from the vertical ash conveying pipe 21 and outside the horizontal ash conveying pipe 22. The second power assembly 5 comprises a second driving wheel 51, a second motor 52, a second driven wheel 53 and a second transmission belt 54, the second driving wheel 51 is connected with a driving shaft key of the second motor 52, and the second motor 52 is fixedly connected with the horizontal ash conveying pipe 22 by bolts; the number of the second driven wheels 53 is two, wherein one screw rod 311 penetrates through the horizontal ash conveying pipe 22, one end of the screw rod penetrates through the horizontal ash conveying pipe 22 and is fixedly welded with one of the second driven wheels 53, and the other screw rod 311 penetrates through the horizontal ash conveying pipe 22 and is fixedly welded with the other second driven wheel 53; the second transmission belt 54 is in transmission connection with the second driving wheel 51 and the second driven wheel 53.

After the second motor 52 is started, the driving shaft of the second motor 52 drives the second driving wheel 51 to rotate, the second driving wheel 51 drives the second driving belt 54 to rotate, the second driving belt 54 drives the two second driven wheels 53 to rotate, the second driven wheels 53 drive the two spiral rods 311 to rotate, the two spiral rods 311 drive the two spiral blades 312 to rotate, and the rotating spiral blades 312 continuously convey the ash conveyed in the vertical ash conveying pipe 21.

The implementation principle of the boiler ash conveying system in the embodiment of the application is as follows: when the boiler 1 needs to be conveyed with ash, a worker turns on the first motor 42 and the second motor 52, the driving shaft of the first motor 42 rotates to drive the first driving wheel 41 to rotate, the first driving wheel 41 drives the first driving belt 44 to rotate, the first driving belt 44 drives the two first driven wheels 43 to rotate, the two first driven wheels 43 drive the two screw rods 311 to rotate, the two screw rods 311 drive the two screw blades 312 to rotate, and the rotating screw blades 312 convey the ash in the vertical ash conveying pipe 21 to one end close to the horizontal ash conveying pipe 22; a driving shaft of the second motor 52 drives the second driving wheel 51 to rotate, the second driving wheel 51 drives the second transmission belt 54 to rotate, the second transmission belt 54 drives the two second driven wheels 53 to rotate, the second driven wheels 53 drive the two spiral rods 311 to rotate, the two spiral rods 311 drive the two spiral leaves 312 to rotate, and the rotating spiral leaves 312 continuously transmit the ash transmitted by the vertical ash transmission pipe 21; during the conveying process, the cutting edges 313 wipe off the ash adhered on the inner walls of the vertical ash conveying pipe 21 and the horizontal ash conveying pipe 22, and the cutting edges 313 on the two spiral blades 312 can mutually cut the ash on the opposite spiral blade 312, so that the ash leaks out of the ash discharging barrel 23 when being conveyed to the ash discharging barrel 23.

Example 2

Referring to fig. 6 and 7, the difference from embodiment 1 is that: fixedly connected with cutting knife 314 on the blade surface of spiral leaf 312, cutting knife 314 is the heliciform, and cutting knife 314 and spiral leaf 312 welded fastening.

The implementation principle of the boiler ash conveying system in the embodiment of the application is as follows: the difference from example 1 is that: when the spiral blade 312 rotates, the cutting knife 314 fixedly connected to the spiral blade 312 stirs the ash and simultaneously cuts the ash on the spiral blade 312, and the cutting knife 313 can also assist in cutting the ash on the adjacent spiral blade 312, so that the ash is stirred and cut into smaller particle sizes, and the conveying is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.