CN217584496U - Ash conveying device for preventing coal economizer from collapsing when falling ash - Google Patents
Ash conveying device for preventing coal economizer from collapsing when falling ash Download PDFInfo
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- CN217584496U CN217584496U CN202220541761.8U CN202220541761U CN217584496U CN 217584496 U CN217584496 U CN 217584496U CN 202220541761 U CN202220541761 U CN 202220541761U CN 217584496 U CN217584496 U CN 217584496U
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- Prior art keywords
- ash
- ash falling
- economizer
- conveyer
- falling pipe
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- 239000003245 coal Substances 0.000 title claims description 9
- 230000002265 prevention Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 3
- 206010053615 Thermal burn Diseases 0.000 abstract description 2
- 230000008676 import Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 109
- 239000010881 fly ash Substances 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000004071 soot Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides an ash conveyor that collapses is prevented to economizer ash falling, include, install the ash falling pipe in the boiler main part, be provided with on the ash falling pipe and strike the stake to the bottom fixed mounting of ash falling pipe has the conveyer, and one side of conveyer is provided with the ash scrubber, the utility model provides an ash conveyor that collapses is prevented to economizer ash falling, horizontal direction installs screw conveyer additional between ash scrubber and ash falling pipe, and the flying dust that boiler economizer department turned flue and separates passes through the ash falling pipe, to the screw conveyer import, through the conveyer buffering, and slow stable transport gets into the ash scrubber, and the ash flashboard can keep the wide open state under the ash falling pipe in the operation, has solved the equipment operation risk that the stifled ash arouses, and when the ash is more collapsed to boiler, the ash scrubber department turns the ash deposition, and a large amount of flying dust rushes out the ash scrubber, causes the problem of large tracts of land pollution ash scrubber peripheral equipment and environment to eliminate because personnel that the temperature height exists scald and equipment damages, improve equipment's fail safe nature.
Description
Technical Field
The utility model relates to an economizer technical field that falls the ash, especially relate to an economizer falls ash and prevents collapsing grey conveyor.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
When the boiler fly ash passes through a turning flue at the coal economizer, large-particle fly ash is separated out by centrifugal separation and gravity action, and is vertically discharged into a hydraulic ash flusher with a water sealing effect through an ash dropping pipe of the coal economizer, and then is discharged into a dewatering bin through a slag runner and a slag pump.
When the ash is broken due to more accumulated ash in a boiler soot blowing and turning flue at an economizer, a large amount of fly ash rushes out of the ash flusher due to small volume of the hydraulic ash flusher, peripheral equipment and environment of the ash flusher are polluted in a large area, and personnel are scalded due to high temperature (about 300 ℃) of the fly ash.
Therefore, it is necessary to provide an ash conveying device for preventing ash from breaking down in an economizer to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ash conveyor that collapses is prevented to economizer ash that falls has solved current economizer and has had the more problem that collapses the ash risk of deposition.
In order to solve the technical problem, the utility model provides an ash conveyor that collapses is prevented to economizer ash that falls, include: install the ash falling pipe in the boiler main part, be provided with on the ash falling pipe and strike the stake to the bottom fixed mounting of ash falling pipe has the conveyer, one side of conveyer is provided with towards grey ware to the bottom fixed mounting of conveyer is used for the support frame that the conveyer supported.
Preferably, the knocking pile is positioned on the upper middle part of the ash falling pipe, and one end of the ash falling pipe is communicated with the conveyor.
Preferably, the output end of the conveyor is connected with the input end of the ash flushing device, and the support frame is positioned on one side of the ash flushing device.
Preferably, the inside of the ash falling pipe is provided with the trigger subassembly, the trigger subassembly includes the backup pad, sliding connection has the lifter in the backup pad, the one end fixed mounting of lifter has the elevator, threaded connection has the threaded rod in the backup pad, the one end fixed mounting of threaded rod has trigger switch, trigger switch's surface rotation is connected with and is used for the promotion spring that the elevator promoted, one side fixed mounting of ash falling pipe has the stopper.
Preferably, the supporting plate is fixedly installed on the inner surface of the ash falling pipe, and inclined surfaces are arranged on one sides of the lifting block and the limiting block.
Preferably, one end of the lifting rod penetrates through the bottom of the supporting plate and extends to the top of the supporting plate, and the surface of the lifting block is in sliding connection with the inner surface of the ash falling pipe.
Preferably, the trigger switch is located below the lifting block, and one end of the pushing spring is fixedly connected with the bottom of the lifting block.
Preferably, the limiting block is positioned on one side of the lifting block, and the height of the limiting block is higher than that of the lifting block.
Compared with the prior art, the utility model provides an ash conveyor that collapses is prevented to economizer ash falling has following beneficial effect:
the utility model provides an ash conveyor that collapses is prevented to economizer ash that falls, the screw conveyer is installed additional to the horizontal direction between ash sluicing ware and ash falling pipe, the flying dust that boiler economizer department turn flue isolated passes through the ash falling pipe, to the screw conveyer import, through the conveyer buffering, slow stable transport gets into ash sluicing ware, the ash flashboard can keep wide open state under the ash falling pipe in the operation, the equipment operation risk that stifled ash arouses has been solved, the boiler blows the ash, when the ash is more collapsed to economizer department turn flue deposition, the flying dust rushes out ash sluicing ware in a large number, cause the problem of large tracts of land pollution ash sluicing ware peripheral equipment and environment, and eliminate because personnel that the flying dust temperature height exists scald and equipment damage hidden danger, improve equipment's fail safe nature.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of an ash conveying device for preventing ash from collapsing of an economizer provided by the present invention;
fig. 2 is a schematic structural view of a second embodiment of the ash falling and collapse prevention conveying device for the economizer provided by the present invention;
fig. 3 is a cross-sectional view of the soot tube shown in fig. 2.
Reference numbers in the figures: 1. boiler body, 2, ash falling pipe, 3, strike the stake, 4, conveyer, 5, ash wash ware, 6, support frame, 7, trigger subassembly, 71, backup pad, 72, lifter, 73, lifter, 74, threaded rod, 75, trigger switch, 76, push spring, 77, stopper.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a first embodiment of an ash conveying device for preventing ash collapse during ash falling of a coal economizer according to the present invention. An ash conveying device that collapses is prevented to economizer ash falling includes: install ash falling pipe 2 on boiler body 1, ash falling pipe 2 is last to be provided with strikes stake 3 to the bottom fixed mounting of ash falling pipe 2 has conveyer 4, one side of conveyer 4 is provided with towards ash ware 5, and the bottom fixed mounting of conveyer 4 is used for the support frame 6 that conveyer 4 supported.
An external power supply supplies power to the conveyor 4, and a control switch is arranged between the external power supply and the conveyor 4.
The conveyor 4 is a screw conveyor.
The ash falling pipe enters the ash flusher slowly and stably by buffering the conveyer 4, and the ash falling pipe ash falling gate plate can keep a fully open state in operation, so that the operation risk caused by ash blockage is solved, and the ash collapse problem is solved.
The knocking pile 3 is positioned on the upper middle part of the ash falling pipe 2, and one end of the ash falling pipe 2 is communicated with the conveyor 4.
The ash from the ash drop tube 2 can flow into the interior of the conveyor 4.
The output end of the conveyor 4 is connected with the input end of the ash flushing device 5, and the supporting frame 6 is positioned on one side of the ash flushing device 5.
The conveyor 4 may be intended to convey to the interior of the sluicing device 5.
The utility model provides an ash conveyor that collapses is prevented to economizer ash that falls's theory of operation as follows:
a spiral conveyer is additionally arranged between the ash flusher and the ash dropping pipe in the horizontal direction, and fly ash separated from a turning flue at a boiler economizer is conveyed to the inlet of the spiral conveyer through the ash dropping pipe, buffered by the conveyer and slowly and stably conveyed into the ash flusher.
Compared with the prior art, the utility model provides an ash conveyor that collapses is prevented to economizer ash that falls has following beneficial effect:
the spiral conveyer 4 is additionally arranged between the ash flusher 5 and the ash dropping pipe 2 in the horizontal direction, fly ash separated from a turning flue at a boiler economizer passes through the ash dropping pipe 2 to the inlet of the spiral conveyer 4, is buffered by the conveyer 4 and is slowly and stably conveyed into the ash flusher 5, an ash discharging gate plate of the ash dropping pipe can be kept in a fully open state during operation, the problems that equipment operation risks are caused by ash blockage, when more ash is accumulated in the turning flue at the boiler soot blowing and economizer, the fly ash is greatly flushed out of the ash flusher, peripheral equipment and the environment of the ash flusher are polluted in a large area, personnel scalding and equipment damage hidden dangers due to high temperature of the fly ash are eliminated, and the safety and reliability of the equipment are improved.
Second embodiment
Referring to fig. 2 and 3, a second embodiment of the present application provides another economizer ash falling and collapse prevention conveying device based on the economizer ash falling and collapse prevention conveying device provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the ash conveyor that collapses is prevented to economizer ash that the second embodiment of this application provided falls ash, the ash conveyor that collapses is prevented to economizer ash that falls, the inside of ash falling pipe 2 is provided with trigger assembly 7, trigger assembly 7 includes backup pad 71, sliding connection has lifter 72 on backup pad 71, the one end fixed mounting of lifter 72 has elevator 73, threaded connection has threaded rod 74 on backup pad 71, the one end fixed mounting of threaded rod 74 has trigger switch 75, trigger switch 75's surface is rotated and is connected with and is used for the push spring 76 that elevator 73 promoted, one side fixed mounting of ash falling pipe 2 has stopper 77.
The trigger switch 75 is provided between an external power supply and the conveyor 4.
The supporting plate 71 is fixedly installed on the inner surface of the ash falling pipe 2, and inclined surfaces are arranged on one sides of the lifting block 73 and the limiting block 77.
The inclined surface prevents ash from falling on the top of the lifting block 73 or the stopper 77.
One end of the lifting rod 72 penetrates through the bottom of the supporting plate 71 and extends to the top of the supporting plate 71, and the surface of the lifting block 73 is in sliding connection with the inner surface of the ash falling pipe 2.
The lifting block 73 can move up and down inside the ash falling pipe 2.
The trigger switch 75 is located below the lifting block 73, and one end of the pushing spring 76 is fixedly connected with the bottom of the lifting block 73.
The pushing spring 76 pushes the lifting block 73 so that the lifting block 73 does not move downward without an external force.
The stopper 77 is located at one side of the elevating block 73, and the height of the stopper 77 is higher than that of the elevating block 73.
The working principle is as follows:
when ash is discharged from the interior of the ash discharge pipe 2, the ash is pressed against the lifting block 73, so that the lifting block 73 moves downwards, the lifting block 73 moves downwards to make the lifting block 73 contact with the trigger switch 75, and the trigger switch 75 controls the conveyor 4 to be turned on, so that the ash can be conveyed, and when the ash is not discharged any more, the lifting block 73 is pushed upwards by the pushing spring 76 to make the lifting block 73 move upwards, so that the lifting block 73 is not in contact with the trigger switch 75, so that the conveyor 4 is controlled to be turned off by the trigger switch 75.
Has the advantages that:
by having ash extrude the elevator block 73 when ash falls so that the elevator block 73 moves downward will trigger the switch 75 to contact, and then the conveyor 4 is controlled by the trigger switch 75 to operate, and when ash does not fall any more, the push spring 76 will push the elevator block 73 upward, and then the elevator block 73 will not contact the trigger switch 75 any more, and then the conveyor 4 will not operate any more, avoiding the trouble of manually switching the conveyor 4.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (8)
1. The utility model provides an ash conveyor that collapses is prevented to economizer ash falling which characterized in that includes:
install the ash falling pipe in the boiler main part, be provided with on the ash falling pipe and strike the stake to the bottom fixed mounting of ash falling pipe has the conveyer, one side of conveyer is provided with towards grey ware to the bottom fixed mounting of conveyer is used for the support frame that the conveyer supported.
2. The economizer ash collapse prevention conveying device as claimed in claim 1 wherein the knock-out pile is located at a position above the middle of the ash dropping pipe, and one end of the ash dropping pipe is communicated with the conveyor.
3. The ash falling and collapse preventing conveying device for the coal economizer as claimed in claim 1, wherein the output end of the conveyor is connected with the input end of the ash flusher, and the support frame is located on one side of the ash flusher.
4. The ash falling and anti-collapse conveying device for the coal economizer according to claim 1, wherein a trigger assembly is arranged inside the ash falling pipe, the trigger assembly comprises a supporting plate, a lifting rod is connected to the supporting plate in a sliding mode, a lifting block is fixedly mounted at one end of the lifting rod, a threaded rod is connected to the supporting plate in a threaded mode, a trigger switch is fixedly mounted at one end of the threaded rod, a pushing spring used for pushing the lifting block is connected to the surface of the trigger switch in a rotating mode, and a limiting block is fixedly mounted on one side of the ash falling pipe.
5. The economizer ash falling and collapse preventing conveying device as claimed in claim 4, wherein the supporting plate is fixedly installed on the inner surface of the ash falling pipe, and inclined surfaces are arranged on one sides of the lifting block and the limiting block.
6. The ash falling and collapse preventing conveying device for the coal economizer as claimed in claim 4, wherein one end of the lifting rod penetrates through the bottom of the supporting plate and extends to the top of the supporting plate, and the surface of the lifting block is in sliding connection with the inner surface of the ash falling pipe.
7. The ash falling and anti-collapse ash conveying device for the coal economizer as claimed in claim 4, wherein the trigger switch is located below the lifting block, and one end of the pushing spring is fixedly connected with the bottom of the lifting block.
8. The economizer ash falling and collapse prevention conveying device as claimed in claim 4, wherein the limiting block is located on one side of the lifting block, and the height of the limiting block is higher than that of the lifting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541761.8U CN217584496U (en) | 2022-03-14 | 2022-03-14 | Ash conveying device for preventing coal economizer from collapsing when falling ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541761.8U CN217584496U (en) | 2022-03-14 | 2022-03-14 | Ash conveying device for preventing coal economizer from collapsing when falling ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217584496U true CN217584496U (en) | 2022-10-14 |
Family
ID=83539975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220541761.8U Expired - Fee Related CN217584496U (en) | 2022-03-14 | 2022-03-14 | Ash conveying device for preventing coal economizer from collapsing when falling ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217584496U (en) |
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2022
- 2022-03-14 CN CN202220541761.8U patent/CN217584496U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221014 |