CN116792769A - Slag bin cleaning device of thermal power plant - Google Patents
Slag bin cleaning device of thermal power plant Download PDFInfo
- Publication number
- CN116792769A CN116792769A CN202310767871.5A CN202310767871A CN116792769A CN 116792769 A CN116792769 A CN 116792769A CN 202310767871 A CN202310767871 A CN 202310767871A CN 116792769 A CN116792769 A CN 116792769A
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- Prior art keywords
- cleaning
- connecting rod
- outer cylinder
- sliding
- power plant
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- 238000004140 cleaning Methods 0.000 title claims abstract description 161
- 239000002893 slag Substances 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 239000002699 waste material Substances 0.000 claims description 34
- 238000005452 bending Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 8
- 239000002956 ash Substances 0.000 description 7
- 244000309464 bull Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
Abstract
The invention provides a slag bin cleaning device of a thermal power plant, which comprises a cleaning outer cylinder and a cleaning inner cylinder, wherein a recovery funnel is arranged at the first end of the cleaning inner cylinder, and a negative pressure pipe is connected with the second end of the cleaning inner cylinder; a sliding ring is arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder, and four sliding blocks are fixedly connected with the outer ring of the sliding ring; four limiting sliding grooves are formed in the cleaning outer cylinder, and each sliding block correspondingly penetrates through each limiting sliding groove; the cleaning outer cylinder is provided with four rolling travelling mechanisms outside, each rolling travelling mechanism comprises a first connecting rod, a second connecting rod and a roller, one end of the first connecting rod is hinged with the sliding block, the other end of the first connecting rod is rotatably connected with a wheel shaft of the roller, one end of the second connecting rod is rotatably connected with the wheel shaft of the roller, and the other end of the second connecting rod is hinged with the outer side wall of the cleaning outer cylinder. The slag bin cleaning device for the thermal power plant can effectively clean slag in the slag bin or the slag bin connecting pipeline, and improves the slag cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of thermal power plant equipment, in particular to a slag bin cleaning device of a thermal power plant.
Background
The slag bin of the thermal power plant refers to a place for storing solid waste slag in flue gas in the thermal power plant, and is usually located below or on the side face of a boiler. In the thermal power generation process, a large amount of exhaust gas and waste residue are generated after the fuel is combusted. The waste residue mainly comprises ash residues and slag residues, wherein the ash residues are solid waste generated after fly ash is captured by dust removing equipment in the coal combustion process, and the slag residues are solid waste generated in the combustion furnace through a chemical reaction process. The slag bin of the thermal power plant generally adopts a closed structure, and dust removal equipment is arranged in the slag bin to reduce exhaust emission. Taking ash as an example, when the ash enters the ash bin, the ash is conveyed into a closed ash pit, and after a series of conveying and processing, the waste slag is conveyed to an external processing plant for comprehensive processing through conveying equipment. Once the slag bin is blocked, the production efficiency is seriously affected. In order to ensure smooth operation of the slag bin, the slag bin needs to be cleaned regularly.
The traditional cleaning mode generally needs to use a cleaning vehicle or a high-pressure water gun, and although the method can effectively remove scale and fire slag in the slag bin, the cleaning mode has the problem of low cleaning efficiency, and can not effectively clean the inner walls of some conveying pipelines connected to the slag bin of the thermal power plant.
Disclosure of Invention
The invention aims to provide a slag bin cleaning device of a thermal power plant, which can effectively clean slag in a slag bin or a slag bin connecting pipeline and improve the slag cleaning efficiency.
The invention provides a slag bin cleaning device of a thermal power plant, which comprises a cleaning outer cylinder and a cleaning inner cylinder, wherein the cleaning inner cylinder is arranged in the cleaning outer cylinder, a first end of the cleaning inner cylinder is provided with a recovery funnel, an outer port of the recovery funnel is connected with a port of the first end of the cleaning outer cylinder, a second end of the cleaning inner cylinder is connected with a negative pressure pipe, and the negative pressure pipe is connected with negative pressure equipment; a sliding ring is arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder, four sliding blocks are fixedly connected to the outer ring of the sliding ring, and the sliding blocks are circumferentially distributed at equal intervals on the outer ring of the sliding ring respectively; four limiting sliding grooves corresponding to the sliding blocks are formed in the cleaning outer cylinder respectively, the limiting sliding grooves extend along the length direction of the cleaning outer cylinder respectively, the sliding blocks correspondingly penetrate through the limiting sliding grooves, and the sliding blocks are matched with the limiting sliding grooves in a sliding mode respectively; four rolling travelling mechanisms which are in one-to-one correspondence with the sliding blocks are arranged outside the cleaning outer cylinder, each rolling travelling mechanism comprises a first connecting rod, a second connecting rod and a roller, one end of the first connecting rod is hinged with the sliding block, the other end of the first connecting rod is rotationally connected with a wheel shaft of the roller, one end of the second connecting rod is rotationally connected with the wheel shaft of the roller, the other end of the second connecting rod is hinged with the outer side wall of the cleaning outer cylinder, and a waste residue removing mechanism is arranged on the second connecting rod; and a slip ring driving mechanism for driving the slip ring to axially move is also arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder.
According to the slag bin cleaning device of the thermal power plant, provided by the invention, four protruding blocks are arranged on the inner ring of the sliding ring, and each protruding block is distributed circumferentially at equal distance on the inner ring of the sliding ring; two of the bumps are respectively provided with a sliding through hole, and the other two bumps are respectively provided with threaded holes;
the slip ring driving mechanism comprises two driving motors, two screw rods and two limiting rods, wherein each screw rod and each limiting rod are respectively arranged along the axial extension of the cleaning outer cylinder, the two limiting rods correspondingly penetrate through the two sliding through holes and correspondingly slide and match with the two sliding through holes, and the two screw rods correspondingly penetrate through the two threaded holes and correspondingly screw and match with the two threaded holes; two ends of each limiting rod are respectively and correspondingly fixedly connected with two first mounting tables, and each first mounting table is respectively and fixedly mounted on the inner side wall of the cleaning outer cylinder; two ends of each screw rod are respectively and correspondingly connected with two second mounting tables in a rotating mode, one end of each screw rod can penetrate through the corresponding second mounting table to be correspondingly connected with each driving motor in a driving mode, and each second mounting table is respectively and fixedly mounted on the inner side wall of the cleaning outer cylinder.
According to the slag bin cleaning device of the thermal power plant, the second connecting rod is provided with the mounting part; the waste residue removing mechanism comprises a rotating rod and a shovel plate, one end of the rotating rod is rotationally connected with the mounting part through a connecting shaft, and the shovel plate is fixedly mounted at the other end of the rotating rod; a torsion spring is arranged between the connecting shaft and the rotating rod, and a limiting plate for limiting the rotating position of the rotating rod is further arranged on the mounting part.
According to the slag bin cleaning device of the thermal power plant, the fixing ring is fixedly arranged on the outer side wall of the cleaning inner cylinder at a position close to the second end, a plurality of connecting plates are connected between the fixing ring and the inner side wall of the cleaning outer cylinder, and the connecting plates are distributed circumferentially at equal distances.
According to the slag bin cleaning device of the thermal power plant, one end of each first connecting rod is hinged with each sliding block correspondingly through the first hinge shaft; four bosses corresponding to the second connecting rods are arranged on the outer side of the cleaning outer cylinder, and the other ends of the second connecting rods are hinged with the bosses through second hinge shafts.
The invention provides a slag bin cleaning device of a thermal power plant, which further comprises a cooling mechanism, wherein the cooling mechanism comprises four communicating pipes arranged on the inner side wall of the cleaning inner cylinder and four water delivery main pipes in one-to-one correspondence with the communicating pipes, the communicating pipes are respectively distributed circumferentially at equal intervals, and the communicating pipes are respectively arranged along the axial extension of the cleaning inner cylinder; a plurality of water spraying heads are respectively arranged on each communicating pipe, and the water spraying heads are respectively arranged at intervals along the length direction of the communicating pipe in sequence; each communicating pipe is correspondingly communicated with each water delivery main pipe through a water delivery branch pipe.
According to the slag bin cleaning device of the thermal power plant, the fixed tables are respectively arranged on the second connecting rods, the water sprayers are respectively arranged on the fixed tables, the water sprayers are respectively connected with the water delivery hoses, and the water delivery hoses respectively penetrate through the side walls of the cleaning outer cylinders and are correspondingly connected with the water delivery main pipes.
According to the slag bin cleaning device of the thermal power plant, the second connecting rod is provided with the fixing pieces for fixing the water delivery hose, and the fixing pieces and the fixing platforms are respectively arranged on two opposite sides of the second connecting rod, so that the water delivery hose forms a bending section at a position close to the idler wheel; the second connecting rod is further provided with a baffle for positioning the bending section, the baffle is an arc-shaped plate matched with the water delivery hose, and the bending section is positioned in the arc-shaped plate.
According to the slag bin cleaning device of the thermal power plant, the rotating wheel is fixedly arranged on the wheel shaft of the roller at the position corresponding to the baffle, the plurality of arc-shaped protrusions are arranged on the periphery side of the rotating wheel and are distributed circumferentially at equal intervals, and the arc-shaped protrusions can be abutted against the surface of the bending section.
The invention provides a slag bin cleaning device of a thermal power plant, which comprises a cleaning outer cylinder and a cleaning inner cylinder, wherein the cleaning inner cylinder is arranged in the cleaning outer cylinder; when the slag bin is cleaned, negative pressure can be generated through negative pressure equipment, so that waste slag in the slag bin or in a connecting pipeline of the slag bin of the thermal power plant is adsorbed and cleaned; the sliding ring is arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder, the outer ring of the sliding ring is fixedly connected with four sliding blocks, the sliding blocks are respectively distributed on the outer ring of the sliding ring at equal intervals in a circumferential manner, the cleaning outer cylinder is provided with four limiting sliding grooves respectively corresponding to the sliding blocks, the limiting sliding grooves are respectively arranged in an extending manner along the length direction of the cleaning outer cylinder, the sliding blocks correspondingly pass through the limiting sliding grooves, and the sliding blocks are respectively in sliding fit with the limiting sliding grooves, namely, the sliding ring can axially move in the cavity between the cleaning outer cylinder and the cleaning inner cylinder; through arranging four rolling travelling mechanisms which are in one-to-one correspondence with the sliding blocks outside the cleaning outer cylinder, each rolling travelling mechanism comprises a first connecting rod, a second connecting rod and a roller, one end of the first connecting rod is hinged with the sliding block, the other end of the first connecting rod is rotationally connected with a wheel shaft of the roller, one end of the second connecting rod is rotationally connected with the wheel shaft of the roller, the other end of the second connecting rod is hinged with the outer side wall of the cleaning outer cylinder, namely, the cleaning device can roll and move along the inner wall of a slag bin or a slag bin connecting pipeline through arranging the rolling travelling mechanisms; the space between the roller and the cleaning outer cylinder can be adjusted by driving the sliding ring to axially move through the sliding ring driving mechanism which is arranged in the cavity between the cleaning outer cylinder and the cleaning inner cylinder, so that the cleaning device can adapt to slag bins or slag bin connecting pipelines with different sizes, and the adsorption and the removal of waste slag in the slag bins or slag bin connecting pipelines with various sizes are realized; through set up the waste residue and shovel out the mechanism on the second connecting rod, can remove the in-process of scarfing cinder at cleaning device along sediment storehouse or sediment storehouse connecting tube in-process to the waste residue on sediment storehouse or the sediment storehouse connecting tube inner wall, and then improved waste residue cleaning efficiency. Therefore, the slag bin cleaning device for the thermal power plant can effectively clean the slag in the slag bin or the slag bin connecting pipeline, so that the slag cleaning efficiency is improved, and the slag cleaning effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a slag bin cleaning device of a thermal power plant;
FIG. 2 is a cross-sectional view of the slag bin cleaning device of the thermal power plant;
FIG. 3 is a partial cross-sectional view of the slag bin cleaning device of the thermal power plant of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the cleaning outer cylinder in the slag bin cleaning device of the thermal power plant;
FIG. 5 is a schematic diagram showing the internal structure of the cleaning inner cylinder in the slag bin cleaning device of the thermal power plant;
FIG. 6 is a schematic diagram showing the assembly of a slip ring and a rolling travelling mechanism in the slag bin cleaning device of the thermal power plant;
fig. 7 is a schematic structural view of a rolling travelling mechanism of the slag bin cleaning device in the thermal power plant.
Reference numerals illustrate:
1. cleaning an outer cylinder; 101. a first mounting table; 102. limiting sliding grooves; 103. a second mounting table; 2. cleaning the inner cylinder; 201. a fixing ring; 202. a connecting plate; 203. a recovery funnel; 3. a negative pressure pipe; 4. a rolling travelling mechanism; 400. a mounting part; 401. a slip ring; 402. a bump; 403. a bayonet; 404. a slide block; 405. a first hinge shaft; 406. a first connecting rod; 407. a wheel axle; 408. a roller; 409. a second connecting rod; 410. a second hinge shaft; 411. a connecting shaft; 412. a rotating rod; 413. a shovel plate; 414. a limiting plate; 415. a fixed table; 416. a water sprayer; 417. a fixing member; 418. a rotating wheel; 419. arc-shaped bulges; 420. a baffle; 5. a boss; 6. a cooling mechanism; 601. a communicating pipe; 602. a water spray head; 603. a three-way valve; 604. a water delivery main pipe; 605. a water delivery branch pipe; 606. a water hose; 7. a driving motor; 8. a screw rod; 9. and a limit rod.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 7, the slag bin cleaning device of the thermal power plant in the embodiment of the invention comprises a cleaning outer cylinder 1 and a cleaning inner cylinder 2, wherein the cleaning inner cylinder 2 is arranged in the cleaning outer cylinder 1, a recovery funnel 203 is arranged at the first end of the cleaning inner cylinder 2, an outer port of the recovery funnel 203 is connected with a port at the first end of the cleaning outer cylinder 1, a negative pressure pipe 3 is connected at the second end of the cleaning inner cylinder 2, and the negative pressure pipe 3 is connected with negative pressure equipment. When carrying out the sediment storehouse clearance, can produce the negative pressure through negative pressure equipment to having adsorption affinity in the messenger clearance inner tube 2, can collecting the waste residue in the thermal power plant sediment storehouse or the connecting tube in sediment storehouse in clearance inner tube 2 through negative pressure suction through retrieving funnel 203, thereby realize carrying out the absorption of waste residue to thermal power plant sediment storehouse or sediment storehouse connecting tube and clear away.
The sliding ring 401 is installed in a cavity between the cleaning outer cylinder 1 and the cleaning inner cylinder 2, four sliding blocks 404 are fixedly connected to the outer ring of the sliding ring 401, and the sliding blocks 404 are distributed circumferentially at equal distances on the outer ring of the sliding ring 401. Four limit sliding grooves 102 corresponding to the sliding blocks 404 are respectively arranged on the cleaning outer cylinder 1, the limit sliding grooves 102 are respectively arranged in an extending mode along the length direction of the cleaning outer cylinder 1, the sliding blocks 404 correspondingly penetrate through the limit sliding grooves 102, and the sliding blocks 404 are respectively in sliding fit with the limit sliding grooves 102. That is, the slip ring 401 is axially movable within the chamber between the cleaning outer cylinder 1 and the cleaning inner cylinder 2.
Wherein, be equipped with four roll running gear 4 with each slider 404 one-to-one in the outside of clearance urceolus 1, each roll running gear 4 all includes head rod 406, second connecting rod 409 and gyro wheel 408, the one end of head rod 406 is articulated with slider 404, the other end of head rod 406 is connected with the shaft 407 rotation of gyro wheel 408, the one end of second connecting rod 409 is connected with the shaft 407 rotation of gyro wheel 408, the other end of second connecting rod 409 is articulated with the lateral wall of clearance urceolus 1, install waste residue scraping mechanism on second connecting rod 409. That is, by arranging the four rolling travelling mechanisms 4, the cleaning device can roll and move along the inner wall of the slag bin or the slag bin connecting pipeline, so that the cleaning device can adsorb and remove waste slag in the slag bin or the slag bin connecting pipeline conveniently. Through setting up four waste residue and shoveling the mechanism, can remove the in-process of scarfing cinder at cleaning device along sediment storehouse or sediment storehouse connecting tube in-process, carry out the shoveling to the waste residue on sediment storehouse or the sediment storehouse connecting tube inner wall, and then improved waste residue cleaning efficiency.
Wherein, a slip ring driving mechanism for driving the slip ring 401 to move along the axial direction is also arranged in the cavity between the cleaning outer cylinder 1 and the cleaning inner cylinder 2. Because the above-mentioned assembly connection mode between sliding ring 401 and the rolling running mechanism 4, through controlling sliding ring 401 to follow axial displacement, can make the contained angle between head rod 406 and the second connecting rod 409 change to can adjust the interval of gyro wheel 408 for clearance urceolus 1, so that each gyro wheel 408 can conflict roll on the inner wall of sediment storehouse or sediment storehouse connecting tube, thereby make cleaning device can adapt to not sediment storehouse or sediment storehouse connecting tube of equidimension, thereby realize carrying out the absorption to the waste residue in the sediment storehouse or the sediment storehouse connecting tube of various sizes.
Therefore, the slag bin cleaning device for the thermal power plant can effectively clean the slag in the slag bin or the slag bin connecting pipeline, so that the slag cleaning efficiency is improved, and the slag cleaning effect is better.
Specifically, bayonets 403 are respectively provided at positions of the outer ring of the slip ring 401 corresponding to the respective sliders 404, and one ends of the respective sliders 404 are respectively locked in the respective bayonets 403, thereby realizing reliable fixed connection between the sliders 404 and the slip ring 401.
Specifically, one end of each first connecting rod 406 is hinged to each slider 404 by a first hinge shaft 405. Four bosses 5 corresponding to the second connecting rods 409 are arranged on the outer side of the cleaning outer cylinder 1, and the other ends of the second connecting rods 409 are hinged with the bosses 5 through second hinge shafts 410.
In some embodiments of the present invention, four protrusions 402 are disposed on the inner ring of the slip ring 401, and each protrusion 402 is circumferentially distributed on the inner ring of the slip ring 401 at equal distances. Two of the protrusions 402 are provided with sliding through holes, and the other two protrusions 402 are provided with threaded holes.
The slip ring driving mechanism comprises two driving motors 7, two screw rods 8 and two limiting rods 9, wherein each screw rod 8 and each limiting rod 9 extend along the axial direction of the cleaning outer cylinder 1 respectively, the two limiting rods 9 correspondingly penetrate through the two sliding through holes and correspondingly slide and match with the two sliding through holes, and the two screw rods 8 correspondingly penetrate through the two threaded holes and correspondingly screw and match with the two threaded holes. Two ends of each limiting rod 9 are respectively and correspondingly fixedly connected with two first mounting tables 101, and each first mounting table 101 is respectively and fixedly mounted on the inner side wall of the cleaning outer cylinder 1. Two ends of each screw rod 8 are respectively and correspondingly connected with two second mounting platforms 103 in a rotating way, and one end of each screw rod 8 can pass through the corresponding second mounting platform 103 to be correspondingly connected with each driving motor 7 in a driving way, wherein each second mounting platform 103 is respectively and fixedly arranged on the inner side wall of the cleaning outer cylinder 1. That is, the driving motor 7 can drive the screw rod 8 to rotate, so as to drive the slip ring 401 to move up and down along the screw rod 8, and meanwhile, the slip ring 401 can slide up and down along the limit rod 9. That is, each stopper rod 9 can play a role in limiting up-and-down movement of the slip ring 401, thereby ensuring a smoother and more reliable movement process of the slip ring 401.
In some embodiments of the present invention, a mounting portion 400 is provided on the second connecting lever 409. Wherein, waste residue removing mechanism includes bull stick 412 and shovel board 413, and the one end of bull stick 412 is passed through connecting axle 411 and is connected with installation department 400 rotation, shovel board 413 fixed mounting at the other end of bull stick 412. A torsion spring (not shown) is installed between the connection shaft 411 and the rotation lever 412, and a stopper plate 414 for restricting the rotation position of the rotation lever 412 is further provided on the installation part 400.
When gyro wheel 408 is contradicted with the inner wall of sediment storehouse or sediment storehouse connecting tube, shovel plate 413 can just be inconsistent with the inner wall of sediment storehouse or sediment storehouse connecting tube to when cleaning device removes along sediment storehouse or sediment storehouse connecting tube, carry out the shovel to the waste residue on sediment storehouse or the sediment storehouse pipeline inner wall through shovel plate 413, the waste residue that is shoveled off is collected in the clearance inner tube 2 through recovery funnel 203 suction under the negative pressure effect, thereby realizes the high-efficient clearance to the waste residue.
Wherein, through set up torsion spring between connecting axle 411 and bull stick 412 for shovel plate 413 can remain anticlockwise rotation throughout, therefore when taking place the interval between gyro wheel 408 and the clearance urceolus 1 to adjust, bull stick 412 can control shovel plate 413 and contradict on the inner wall of sediment storehouse or sediment storehouse pipeline throughout under torsion spring's effect, realizes the high-efficient clearance of shovel plate 413, and can ensure the pressure when shovel plate 413 shovels the waste residue, can be stable with the waste residue from the sediment storehouse or on the sediment storehouse pipeline inner wall down.
Wherein, through setting up limiting plate 414 on installation department 400, can carry out spacingly to bull stick 412 through limiting plate 414, avoid bull stick 412 to produce elasticity under torsion spring's effect, lead to shovel plate 413 unable conflict on the inner wall of sediment storehouse or sediment storehouse pipeline.
In some embodiments of the present invention, a fixing ring 201 is fixedly installed on the outer sidewall of the cleaning inner cylinder 2 near the second end, and a plurality of connection plates 202 are connected between the fixing ring 201 and the inner sidewall of the cleaning outer cylinder 1, and the plurality of connection plates 202 are distributed circumferentially at equal distances. That is, the fixing ring 201 and the connection plates 202 are provided, so that the cleaning inner tube 2 can be stably mounted in the cleaning outer tube 1.
In some embodiments of the present invention, the slag bin cleaning device of a thermal power plant further includes a cooling mechanism 6, where the cooling mechanism 6 includes four communicating pipes 601 disposed on an inner sidewall of the cleaning inner cylinder 2 and four water delivery manifolds 604 corresponding to the communicating pipes 601 one to one, each communicating pipe 601 is circumferentially distributed at equal distances, and each communicating pipe 601 is disposed to extend along an axial direction of the cleaning inner cylinder 2. Each of the communication pipes 601 is provided with a plurality of water sprayers 602, and the plurality of water sprayers 602 are sequentially arranged at intervals along the longitudinal direction of the communication pipe 601.
When clearance inner tube 2 is collected the waste residue, the waste residue probably has certain heat, and the heat gathering can lead to the temperature too high after absorbing, further causes cleaning device's damage, can realize the cooling to the water spray in the clearance inner tube 2 through cooling mechanism 6, avoids the high temperature in the waste residue.
When the cooling mechanism 6 works, each communicating pipe 601 is correspondingly communicated with each water delivery main pipe 604 through a water delivery branch pipe 605. The water delivery manifolds 604 can deliver cold water into the corresponding communication pipes 601 through the water delivery branch pipes 605, and then spray out into the cleaning inner cylinder 2 through the water spray heads 602, thereby cooling the cleaning inner cylinder 2.
Wherein, through being equidistance circumference distribution and setting up a plurality of communicating pipes 601 on the inboard of clearance inner tube 2, can enlarge the area that cooling mechanism 6 cooled down, simultaneously through set up a plurality of sprinkler heads 602 on each communicating pipe 601 along length direction, can further realize the cooling route of longer scope, effectively cool down the heat of waste residue in the clearance inner tube 2.
The water delivery manifolds 604 are connected to a water supply device, and a water pump is provided at a water outlet of the water supply device, so that water can be supplied to the water delivery manifolds 604.
In some embodiments of the present invention, a fixed stage 415 is respectively installed on each second connecting rod 409, water sprayers 416 are respectively installed on each fixed stage 415, water delivery hoses 606 are respectively connected to each water sprayer 416, and each water delivery hose 606 is respectively connected to each water delivery manifold 604 by penetrating through the side wall of the cleaning outer cylinder 1. Wherein, the water delivery main pipe 604, the water delivery branch pipe 605 and the water delivery hose 606 can be connected through the three-way valve 603 for controlling the water delivery direction in the water delivery main pipe 604.
When the shovel plate 413 cleans the waste residues on the inner wall of the residue bin or the residue bin pipeline, the water delivery main pipe 604 can be controlled to deliver water into the water delivery hose 606, and then the water is delivered to the water sprayer 416 through the water delivery hose 606 and sprayed outwards, so that the caked waste residues on the inner wall of the residue bin or the residue bin pipeline can be dispersed and soaked, and the shovel plate 413 is further convenient to shovel off the caked waste residues.
In some embodiments of the present invention, a plurality of fixing members 417 for fixing the water hose 606 are provided on the second connection rod 409, and the fixing members 417 and the fixing stand 415 are respectively provided at opposite sides of the second connection rod 409, so that the water hose 606 forms a bending section at a position near the roller 408. The second connecting rod 409 is further provided with a baffle 420 for positioning the bending section, and the baffle 420 is an arc-shaped plate matched with the water delivery hose 606, so that the bending section of the water delivery hose 606 is positioned in the arc-shaped plate, and the water delivery hose 606 can be effectively positioned.
Specifically, the wheel shaft 407 of the roller 408 is fixedly provided with a rotating wheel 418 at a position corresponding to the baffle 420, the outer peripheral side of the rotating wheel 418 is provided with a plurality of arc-shaped protrusions 419, the arc-shaped protrusions 419 are respectively distributed in an equidistant circumference, and when the rotating wheel 418 rotates, each arc-shaped protrusion 419 can respectively collide with the surface of the bending section of the water delivery hose 606.
That is, when the roller 408 rotates, the axle 407 rotates synchronously, so as to drive the rotating wheel 418 to rotate, and each arc-shaped protrusion 419 on the rotating wheel 418 can indirectly abut against the surface of the bending section of the connecting hose 606 in the rotating process of the rotating wheel 418, so that intermittent compression of the connecting hose 606 is realized, intermittent spraying of water in the connecting hose 606 can be controlled, periodic water spraying is realized, and waste of water is avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The slag bin cleaning device of the thermal power plant is characterized by comprising a cleaning outer cylinder and a cleaning inner cylinder, wherein the cleaning inner cylinder is arranged in the cleaning outer cylinder, a first end of the cleaning inner cylinder is provided with a recovery funnel, an outer port of the recovery funnel is connected with a port of the first end of the cleaning outer cylinder, a second end of the cleaning inner cylinder is connected with a negative pressure pipe, and the negative pressure pipe is connected with negative pressure equipment; a sliding ring is arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder, four sliding blocks are fixedly connected to the outer ring of the sliding ring, and the sliding blocks are circumferentially distributed at equal intervals on the outer ring of the sliding ring respectively; four limiting sliding grooves corresponding to the sliding blocks are formed in the cleaning outer cylinder respectively, the limiting sliding grooves extend along the length direction of the cleaning outer cylinder respectively, the sliding blocks correspondingly penetrate through the limiting sliding grooves, and the sliding blocks are matched with the limiting sliding grooves in a sliding mode respectively; four rolling travelling mechanisms which are in one-to-one correspondence with the sliding blocks are arranged outside the cleaning outer cylinder, each rolling travelling mechanism comprises a first connecting rod, a second connecting rod and a roller, one end of the first connecting rod is hinged with the sliding block, the other end of the first connecting rod is rotationally connected with a wheel shaft of the roller, one end of the second connecting rod is rotationally connected with the wheel shaft of the roller, the other end of the second connecting rod is hinged with the outer side wall of the cleaning outer cylinder, and a waste residue removing mechanism is arranged on the second connecting rod; and a slip ring driving mechanism for driving the slip ring to axially move is also arranged in a cavity between the cleaning outer cylinder and the cleaning inner cylinder.
2. The slag bin cleaning device of a thermal power plant according to claim 1, wherein four protruding blocks are arranged on the inner ring of the slip ring, and each protruding block is distributed circumferentially at equal distance on the inner ring of the slip ring; two of the bumps are respectively provided with a sliding through hole, and the other two bumps are respectively provided with threaded holes;
the slip ring driving mechanism comprises two driving motors, two screw rods and two limiting rods, wherein each screw rod and each limiting rod are respectively arranged along the axial extension of the cleaning outer cylinder, the two limiting rods correspondingly penetrate through the two sliding through holes and correspondingly slide and match with the two sliding through holes, and the two screw rods correspondingly penetrate through the two threaded holes and correspondingly screw and match with the two threaded holes; two ends of each limiting rod are respectively and correspondingly fixedly connected with two first mounting tables, and each first mounting table is respectively and fixedly mounted on the inner side wall of the cleaning outer cylinder; two ends of each screw rod are respectively and correspondingly connected with two second mounting tables in a rotating mode, one end of each screw rod can penetrate through the corresponding second mounting table to be correspondingly connected with each driving motor in a driving mode, and each second mounting table is respectively and fixedly mounted on the inner side wall of the cleaning outer cylinder.
3. The slag bin cleaning device of a thermal power plant according to claim 1, wherein a mounting part is arranged on the second connecting rod; the waste residue removing mechanism comprises a rotating rod and a shovel plate, one end of the rotating rod is rotationally connected with the mounting part through a connecting shaft, and the shovel plate is fixedly mounted at the other end of the rotating rod; a torsion spring is arranged between the connecting shaft and the rotating rod, and a limiting plate for limiting the rotating position of the rotating rod is further arranged on the mounting part.
4. The slag bin cleaning device of a thermal power plant according to claim 1, wherein a fixing ring is fixedly arranged on the outer side wall of the cleaning inner cylinder at a position close to the second end, a plurality of connecting plates are connected between the fixing ring and the inner side wall of the cleaning outer cylinder, and the plurality of connecting plates are distributed circumferentially at equal distances.
5. The slag bin cleaning device of a thermal power plant according to claim 1, wherein one end of each first connecting rod is hinged with each sliding block through a first hinge shaft; four bosses corresponding to the second connecting rods are arranged on the outer side of the cleaning outer cylinder, and the other ends of the second connecting rods are hinged with the bosses through second hinge shafts.
6. The slag bin cleaning device of a thermal power plant according to any one of claims 1 to 5, further comprising a cooling mechanism, wherein the cooling mechanism comprises four communicating pipes arranged on the inner side wall of the cleaning inner barrel and four water delivery manifolds in one-to-one correspondence with the communicating pipes, each communicating pipe is respectively distributed in an equidistant circumference manner, and each communicating pipe is respectively arranged along the axial extension of the cleaning inner barrel; a plurality of water spraying heads are respectively arranged on each communicating pipe, and the water spraying heads are respectively arranged at intervals along the length direction of the communicating pipe in sequence; each communicating pipe is correspondingly communicated with each water delivery main pipe through a water delivery branch pipe.
7. The slag bin cleaning device of a thermal power plant according to claim 6, wherein a fixed table is respectively installed on each second connecting rod, water sprayers are installed on each fixed table, water delivery hoses are respectively connected to each water sprayer, and each water delivery hose is respectively connected with each water delivery main pipe in a corresponding mode through the side wall of the cleaning outer barrel.
8. The slag bin cleaning device of a thermal power plant according to claim 7, wherein a plurality of fixing pieces for fixing the water delivery hose are arranged on the second connecting rod, and the fixing pieces and the fixing platforms are respectively arranged on two opposite sides of the second connecting rod, so that the water delivery hose forms a bending section at a position close to the roller; the second connecting rod is further provided with a baffle for positioning the bending section, the baffle is an arc-shaped plate matched with the water delivery hose, and the bending section is positioned in the arc-shaped plate.
9. The slag bin cleaning device of a thermal power plant according to claim 8, wherein a rotating wheel is fixedly installed at a position, corresponding to the baffle, on an axle of the roller, a plurality of arc-shaped protrusions are arranged on the periphery side of the rotating wheel, the arc-shaped protrusions are respectively distributed in an equidistant circumference, and the arc-shaped protrusions can collide with the surface of the bending section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310767871.5A CN116792769A (en) | 2023-06-27 | 2023-06-27 | Slag bin cleaning device of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310767871.5A CN116792769A (en) | 2023-06-27 | 2023-06-27 | Slag bin cleaning device of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116792769A true CN116792769A (en) | 2023-09-22 |
Family
ID=88041154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310767871.5A Pending CN116792769A (en) | 2023-06-27 | 2023-06-27 | Slag bin cleaning device of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116792769A (en) |
-
2023
- 2023-06-27 CN CN202310767871.5A patent/CN116792769A/en active Pending
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