CN114988057B - Anti-sticking coal-cleaning device for coal dropping pipe of thermal power plant - Google Patents
Anti-sticking coal-cleaning device for coal dropping pipe of thermal power plant Download PDFInfo
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- CN114988057B CN114988057B CN202210697966.XA CN202210697966A CN114988057B CN 114988057 B CN114988057 B CN 114988057B CN 202210697966 A CN202210697966 A CN 202210697966A CN 114988057 B CN114988057 B CN 114988057B
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- 239000003245 coal Substances 0.000 title claims abstract description 81
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 100
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 10
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses an anti-sticking coal-cleaning device for a coal dropping pipe of a thermal power plant, which comprises a coal dropping pipeline module, wherein the coal dropping pipeline module comprises a pipeline assembly and a blockage cleaning assembly, the pipeline assembly is movably connected with the blockage cleaning assembly, and the blockage cleaning assembly comprises a gas storage bin, a compressed air pipe and a first control valve; and the pressure relief module comprises an air inlet assembly, a pressure relief assembly and an elastic sealing assembly. According to the invention, coal is transmitted through the pipeline assembly, so that the coal falls to a coal mill through the coal falling pipe, compressed air is periodically output through the blockage cleaning assembly, the coal falling pipe is cleaned, redundant compressed air is discharged in overpressure through the pressure relief module in the cleaning process, and is linked with the linkage module, so that the air inflow of the air inlet valve is synchronously reduced, the pressure is quickly reduced, and the influence of the overpressure of equipment on the use safety is avoided.
Description
Technical Field
The invention relates to the technical field of thermal power plants, in particular to an anti-sticking coal cleaning device for a coal dropping pipe of a thermal power plant.
Background
The surface of the coal dropping pipe at the outlet of the coal feeder of the coal pulverizing system of the thermal power plant is more and more rough in the use process, and in addition, the water content of the incoming material is high and the viscosity is high in rainy season, so that the coal powder is adhered to the inner wall of the coal dropping pipe, and the more adhered and more blocked coal dropping pipes from the outlet of the coal feeder to the inlet of the coal mill are blocked.
The supercharging equipment is often required to be used for blowing air into the pipeline to clean coal dust in the cleaning process of the coal dropping pipe, the air in the coal dropping pipe is seriously blocked in the using process of the supercharging equipment, the air is not smoothly discharged, the overpressure phenomenon is easy to occur, the using safety of the equipment is affected, and the long-time use of the equipment is not facilitated.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the air in the coal dropping pipe is seriously blocked in the using process of the supercharging equipment, the air is not smoothly discharged, the overpressure phenomenon is easy to occur, and the using safety of the equipment is influenced.
In order to solve the technical problems, the invention provides the following technical scheme: the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant comprises a coal dropping pipeline module, wherein the coal dropping pipeline module comprises a pipeline assembly and a blockage cleaning assembly, the pipeline assembly is movably connected with the blockage cleaning assembly, and the blockage cleaning assembly comprises a gas storage bin, a compressed air pipe and a first control valve; the pressure relief module comprises an air inlet assembly, a pressure relief assembly and an elastic sealing assembly, the air inlet assembly is respectively and movably connected with the pressure relief assembly and the elastic sealing assembly, the air inlet assembly comprises a communication conduit, and the air inlet assembly is communicated with the air storage bin through the communication conduit; and the linkage module comprises a pushing assembly, a linkage assembly and a transmission assembly, wherein the linkage assembly is respectively and movably connected with the pushing assembly and the transmission assembly, the pressure relief assembly comprises a pressure relief pipe, the pushing assembly comprises a sealing bin, one end of the pressure relief pipe is communicated with the sealing bin, the transmission assembly comprises a driven gear and a traction rod, one end of the traction rod is fixedly connected with the driven gear, and the other end of the traction rod is fixedly connected with the control end of the first control valve.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the pipeline assembly comprises a coal dropping pipe, an electric door, a connecting pipe and an annular air pipe, wherein one end of the coal dropping pipe is communicated with the connecting pipe through the electric door, the other end of the coal dropping pipe is connected with a flange, the annular air pipe is sleeved on the surface of the coal dropping pipe, an injection pipe is communicated with the inner side of the annular air pipe, and one end of the injection pipe is communicated with the coal dropping pipe.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the blockage removing assembly comprises a first air pipe, a second air pipe and a second control valve, one end of the second air pipe is communicated with the first air pipe, the other end of the second air pipe is communicated with the annular air pipe, one end of the first air pipe is communicated with a gas storage bin, the second control valve is arranged on the outer wall of the first air pipe, and one end of the gas storage bin is communicated with a pressurizing pipe.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the air inlet assembly comprises an air inlet bin, a piston and a first spring, one end of the communication guide pipe is communicated with the air inlet bin, one end of the first spring is connected with the air inlet bin, and the other end of the first spring is connected with the piston.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the pressure relief assembly comprises a sealing sleeve, a push rod and a sealing cover, wherein one ends of the sealing sleeve and the push rod are connected with the sealing cover, one end of the sealing cover is fixedly connected with the air inlet bin, and the outer wall of the sealing sleeve is communicated with the pressure relief pipe.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the elastic sealing assembly comprises a guide post, an air inlet, a loop bar and a second spring, one end of the guide post is connected with the piston, the air inlet is formed in the bottom of the inner wall of the guide post, one end of the loop bar is fixedly connected with the inner wall of the guide post, one end of the second spring is fixedly connected with the loop bar, the other end of the second spring is connected with a limiting rod, the top of the limiting rod penetrates through the outer side of the loop bar, and the top of the guide post is provided with an air outlet.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the pressure relief module further comprises a clamping sealing assembly, the clamping sealing assembly comprises a circular plate, a sealing rubber plate, a sealing plug and an annular convex ring, two ends of the circular plate are connected with a limiting rod and the sealing rubber plate respectively, one ends of the sealing plug and the annular convex ring are connected with the sealing rubber plate, an annular groove matched with the annular convex ring for use is formed in the inner wall of the guide pillar, and the outer wall of the sealing plug is meshed with the inner wall of the air outlet.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the pushing assembly comprises a third spring and a sealing pushing plate, the third spring and the sealing pushing plate are both arranged in the inner cavity of the sealing bin, two ends of the third spring are respectively connected with the sealing bin and the sealing pushing plate, the bottom of the sealing bin is fixedly connected with the gas storage bin, and the outer wall of the sealing bin is communicated with a pressure relief discharge pipe.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the linkage assembly comprises a toothed plate, a stay bar, a pulley and a driving gear, one end of the toothed plate is connected with the sealing push plate, the surface of the toothed plate is meshed with the driving gear, one end of the stay bar is fixedly connected with the toothed plate, one end of the pulley is connected with the stay bar, and the bottom of the pulley is in sliding connection with the bottom of the inner wall of the sealing bin.
As a preferable scheme of the anti-sticking coal-cleaning device for the coal dropping pipe of the thermal power plant, the invention comprises the following steps: the transmission assembly further comprises a rotating rod, a driving gear and a transmission chain, the outer wall of the rotating rod is fixedly connected with the inner wall of the driving gear, two ends of the rotating rod are movably connected with the inner wall of the sealing bin, the driving gear is arranged on the outer wall of the rotating rod, one end of an inner ring of the transmission chain is meshed with the driving gear, and the other end of the inner ring of the transmission chain is meshed with the driven gear.
The invention has the beneficial effects that: according to the invention, coal is transmitted through the pipeline assembly, so that the coal falls to a coal mill through the coal falling pipe, compressed air is periodically output through the blockage cleaning assembly, the coal falling pipe is cleaned, redundant compressed air is discharged in overpressure through the pressure relief module in the cleaning process, and is linked with the linkage module, so that the air inflow of the air inlet valve is synchronously reduced, the pressure is quickly reduced, and the influence of the overpressure of equipment on the use safety is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a view showing a construction of installation of the apparatus in the first, second, and third embodiments.
Fig. 2 is a diagram showing installation structures of the pressure relief module and the linkage module in the first, second and third embodiments.
Fig. 3 is a schematic structural diagram of a pressure relief module in a second embodiment.
Fig. 4 is a top view of the elastomeric seal assembly in a second embodiment.
Fig. 5 is a cross-sectional view of the resilient seal assembly A-A of fig. 4 in a second embodiment.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, in a first embodiment of the present invention, a device for preventing coal from being stuck and cleaning is provided for a coal dropping pipe of a thermal power plant, which includes a coal dropping pipeline module 100, the coal dropping pipeline module 100 includes a pipeline assembly 101 and a blockage removing assembly 102, the pipeline assembly 101 is movably connected with the blockage removing assembly 102, and the blockage removing assembly 102 includes a gas storage bin 102a, a compressed air pipe 102g and a first control valve 102f.
In the coal transmission process of the thermal power plant, coal is transmitted through the pipeline assembly, the transmission from the raw coal bin to the coal mill is achieved, in the transmission process, coal is easy to adhere to the inner wall of the coal dropping pipe 101a, the blocking cleaning assembly 102 is opened regularly, and compressed air is output to clean the coal adhered to the inner wall of the coal dropping pipe 101 a.
The pressure relief module 200, pressure relief module 200 includes air inlet subassembly 201, pressure relief subassembly 202 and elastic seal subassembly 203, and air inlet subassembly 201 respectively with pressure relief subassembly 202 and elastic seal subassembly 203 swing joint, air inlet subassembly 201 includes intercommunication pipe 201b, and air inlet subassembly 201 communicates with gas storage bin 102a through intercommunication pipe 201 b.
When carrying out the cleaning operation through compressed air, under partial circumstances, the adhesion coal is more in the coal breakage pipe 101a to cause compressed air circulation unsmooth, the unable timely discharge of air, external compressed air continuously gets into in the compressed gas cylinder again, easily causes the compressed gas cylinder to appear the superpressure phenomenon, exists the potential safety hazard.
Through the communication of air inlet subassembly 201 and gas storage storehouse 102a, when the superpressure phenomenon takes place, compressed air drives elastic seal assembly 203 and carries out the bulk movement, opens chucking seal assembly 204 through pressure release subassembly 202, makes unnecessary compressed air discharge, accomplishes the pressure release.
The linkage module 300, the linkage module 300 includes pushing component 301, linkage component 302 and transmission component 303, and the linkage component 302 is with pushing component 301 and transmission component 303 swing joint respectively.
In the pressure release process, the compressed air discharged drives the pushing component 301 to operate, and the linkage component 302 is started through the pushing component 301, so that the transmission component 303 is started, the first control valve 102f is further closed, the input quantity of external compressed air is reduced, the air pressure in the air storage bin 102a is enabled to fall back quickly, and the overpressure phenomenon is avoided.
The pipeline assembly 101 comprises a coal dropping pipe 101a, an electric door 101b, a connecting pipe 101c and an annular air pipe 101d, wherein one end of the coal dropping pipe 101a is communicated with the connecting pipe 101c through the electric door 101b, the other end of the coal dropping pipe 101a is connected with a flange 101f, the annular air pipe 101d is sleeved on the surface of the coal dropping pipe 101a, the inner side of the annular air pipe 101d is communicated with an injection pipe 101e, and one end of the injection pipe 101e is communicated with the coal dropping pipe 101 a.
Through the setting of electrically operated gate 101b, can make in the clear stifled operation, the one end of coal breakage pipe 101a is sealed, avoids the air flow to be unfixed, influences the cleaning effect, and electrically operated gate 101b one end is connected with former coal bunker material feeding unit.
The blockage removing assembly 102 comprises a first air pipe 102b, a second air pipe 102c and a second control valve 102d, one end of the second air pipe 102c is communicated with the first air pipe 102b, the other end of the second air pipe 102c is communicated with an annular air pipe 101d, one end of the first air pipe 102b is communicated with a gas storage bin 102a, the second control valve 102d is arranged on the outer wall of the first air pipe 102b, one end of the gas storage bin 102a is communicated with a booster pipe 102e, one end of the booster pipe 102e is communicated with a booster pump, and one end of a compressed air pipe 102g is communicated with an external compressed air source, so that the cleaning operation can be conveniently powered in real time.
During the blockage removal operation, a user opens the second control valve 102d, so that compressed air in the air storage bin 102a enters the annular air pipe 101d through the first air pipe 102b and the second air pipe 102c, and finally enters the coal dropping pipe 101a through the injection pipe 101e, thereby performing injection cleaning operation.
Example 2
Referring to fig. 1 to 5, a second embodiment of the present invention is based on the previous embodiment.
The air inlet assembly 201 comprises an air inlet bin 201a, a piston 201c and a first spring 201d, one end of a communication conduit 201b is communicated with the air inlet bin 201a, one end of the first spring 201d is connected with the air inlet bin 201a, and the other end of the first spring 201d is connected with the piston 201 c.
In the cleaning operation, the air in the coal dropping pipe 101a is seriously discharged, the air storage bin 102a is in overpressure, the air storage bin 102a is communicated with the air inlet bin 201a through the communication pipe 201b, when the air inlet bin 201a is in overpressure, the piston 201c is lifted by the pressure of compressed air, the first spring 201d is stretched and deformed, and the elastic sealing assembly 203 and the clamping sealing assembly 204 on the surface of the piston 201c are integrally displaced by the lifting of the air pressure through the piston 201 c.
The pressure relief assembly 202 comprises a sealing sleeve 202a, a push rod 202b and a sealing cover 202c, wherein one ends of the sealing sleeve 202a and the push rod 202b are connected with the sealing cover 202c, one end of the sealing cover 202c is fixedly connected with the air inlet bin 201a, and the outer wall of the sealing sleeve 202a is communicated with the pressure relief pipe 202 d.
The elastic sealing assembly 203 comprises a guide pillar 203a, an air inlet 203b, a sleeve rod 203c and a second spring 203d, wherein one end of the guide pillar 203a is connected with a piston 201c, the air inlet 203b is arranged at the bottom of the inner wall of the guide pillar 203a, one end of the sleeve rod 203c is fixedly connected with the inner wall of the guide pillar 203a, one end of the second spring 203d is fixedly connected with the sleeve rod 203c, the other end of the second spring 203d is connected with a limiting rod 203e, the top of the limiting rod 203e penetrates through the outer side of the sleeve rod 203c, and an air outlet 203g is formed in the top of the guide pillar 203 a.
The outer wall of the guide pillar 203a is slidably connected with the inner wall of the sealing sleeve 202a, when the guide pillar 203a ascends, the sealing plug 204c located in the inner cavity of the guide pillar is contacted with the ejector rod 202b, at this time, the ascending displacement of the guide pillar 203a is continued, the ejector rod 202b is fixedly installed, so that the sealing plug 204c is stressed to move, the sealing rubber plate 204b is driven to move by the movement of the sealing plug 204c, the sealing effect of the sealing rubber plate 204b and the annular convex ring 204d is relieved, and compressed air is discharged to the inner cavity of the sealing sleeve 202a through the air inlet 203b and the air outlet 203g and finally discharged through the pressure release pipe 202d, so that pressure release is completed.
The pressure relief module 200 further comprises a clamping sealing assembly 204, the clamping sealing assembly 204 comprises a circular plate 204a, a sealing rubber plate 204b, a sealing plug 204c and an annular convex ring 204d, two ends of the circular plate 204a are respectively connected with a limiting rod 203e and the sealing rubber plate 204b, one ends of the sealing plug 204c and the annular convex ring 204d are both connected with the sealing rubber plate 204b, an annular groove 203f matched with the annular convex ring 204d is formed in the inner wall of the guide pillar 203a, the sealing effect is better due to the matching of the annular convex ring 204d and the annular groove 203f, the leakage phenomenon is avoided under normal pressure use conditions, the outer wall of the sealing plug 204c is meshed with the inner wall of the air outlet 203g, the tolerance matching relationship between the sealing plug 204c and the air outlet 203g is transition fit, and the accurate transmission of equipment is prevented from being affected by the clamping abrasion in the stress displacement process of the sealing plug 204 c.
Example 3
Referring to fig. 1 and 2, a third embodiment of the present invention is based on the two above embodiments.
The pushing assembly 301 comprises a third spring 301b and a sealing push plate 301c, the third spring 301b and the sealing push plate 301c are arranged in the inner cavity of the sealing bin 301a, two ends of the third spring 301b are respectively connected with the sealing bin 301a and the sealing push plate 301c, the bottom of the sealing bin 301a is fixedly connected with the gas storage bin 102a, and a pressure relief discharge pipe 301d is communicated with the outer wall of the sealing bin 301 a.
The excess compressed air is discharged into the seal chamber 301a through the pressure release pipe 202d, the air pressure in the seal chamber 301a is increased, the seal push plate 301c is displaced by the pressure of the compressed air, and the third spring 301b is deformed by the displacement of the seal push plate 301 c.
The linkage assembly 302 comprises a toothed plate 302a, a supporting rod 302b, a pulley 302c and a driving gear 302d, one end of the toothed plate 302a is connected with the sealing push plate 301c, the surface of the toothed plate 302a is meshed with the driving gear 302d, one end of the supporting rod 302b is fixedly connected with the toothed plate 302a, one end of the pulley 302c is connected with the supporting rod 302b, the bottom of the pulley 302c is slidably connected with the bottom of the inner wall of the sealing bin 301a, the toothed plate 302a can be effectively supported through the arrangement of the supporting rod 302b and the pulley 302c, the phenomenon that the toothed plate 302a shakes and deviates in the stress moving process is avoided, and the accurate stability of the toothed plate 302a in the transmission process is ensured.
The toothed plate 302a is moved by the movement of the seal push plate 301c, the driving gear 302d is rotated by the movement of the toothed plate 302a, and the rotating lever 303a is rotated by the rotation of the driving gear 302 d.
When the sealing push plate 301c is pressed and moved, the end face of the sealing push plate moves to be in contact with the end face of the pressure relief discharge pipe 301d, gaps are formed between the sealing push plate and the pressure relief discharge pipe, and excessive compressed air is discharged along the pressure relief discharge pipe 301d, so that pressure relief is realized.
The transmission assembly 303 further comprises a rotating rod 303a, a driving gear 303b and a transmission chain 303c, the outer wall of the rotating rod 303a is fixedly connected with the inner wall of the driving gear 302d, two ends of the rotating rod 303a are movably connected with the inner wall of the sealing bin 301a, the driving gear 303b is arranged on the outer wall of the rotating rod 303a, one end of the inner ring of the transmission chain 303c is meshed with the driving gear 303b, and the other end of the inner ring of the transmission chain 303c is meshed with the driven gear 303 d.
The rotation of the rotating rod 303a drives the driving gear 303b and the transmission chain 303c to rotate, the rotation of the transmission chain 303c drives the driven gear 303d to rotate, and the rotation of the driven gear 303d drives the traction rod 303e to rotate, so that the closing action of the first control valve 102f is realized, the air input amount of the first control valve is reduced, and the overpressure state in the air storage bin 102a is better controlled.
After the pressure relief operation is finished, the equipment is reset through the energy storage when the plurality of groups of springs are stressed and deformed, so that one-time automatic pressure relief operation is finished.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
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, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (3)
1. An anti-sticking coal cleaning device of a coal dropping pipe of a thermal power plant is characterized in that: comprising the steps of (a) a step of,
the coal dropping pipeline module (100), the coal dropping pipeline module (100) comprises a pipeline assembly (101) and a blockage clearing assembly (102), the pipeline assembly (101) is movably connected with the blockage clearing assembly (102), and the blockage clearing assembly (102) comprises a gas storage bin (102 a), a compressed air pipe (102 g) and a first control valve (102 f); the method comprises the steps of,
the pressure relief module (200), the pressure relief module (200) comprises an air inlet assembly (201), a pressure relief assembly (202) and an elastic sealing assembly (203), the air inlet assembly (201) is movably connected with the pressure relief assembly (202) and the elastic sealing assembly (203) respectively, the air inlet assembly (201) comprises a communication conduit (201 b), and the air inlet assembly (201) is communicated with the air storage bin (102 a) through the communication conduit (201 b); the method comprises the steps of,
the linkage module (300), the linkage module (300) comprises a pushing component (301), a linkage component (302) and a transmission component (303), and the linkage component (302) is respectively and movably connected with the pushing component (301) and the transmission component (303);
the pressure relief assembly (202) comprises a pressure relief pipe (202 d);
the pushing assembly (301) comprises a sealing bin (301 a), and one end of the pressure relief pipe (202 d) is communicated with the sealing bin (301 a);
the transmission assembly (303) comprises a driven gear (303 d) and a traction rod (303 e), one end of the traction rod (303 e) is fixedly connected with the driven gear (303 d), and the other end of the traction rod (303 e) is fixedly connected with the control end of the first control valve (102 f);
the air inlet assembly (201) comprises an air inlet bin (201 a), a piston (201 c) and a first spring (201 d), one end of the communication conduit (201 b) is communicated with the air inlet bin (201 a), one end of the first spring (201 d) is connected with the air inlet bin (201 a), and the other end of the first spring (201 d) is connected with the piston (201 c);
the pressure relief assembly (202) comprises a sealing sleeve (202 a), a push rod (202 b) and a sealing cover (202 c), wherein one ends of the sealing sleeve (202 a) and the push rod (202 b) are connected with the sealing cover (202 c), one end of the sealing cover (202 c) is fixedly connected with the air inlet bin (201 a), and the outer wall of the sealing sleeve (202 a) is communicated with the pressure relief pipe (202 d);
the elastic sealing assembly (203) comprises a guide post (203 a), an air inlet (203 b), a sleeve rod (203 c) and a second spring (203 d), one end of the guide post (203 a) is connected with a piston (201 c), the air inlet (203 b) is arranged at the bottom of the inner wall of the guide post (203 a), one end of the sleeve rod (203 c) is fixedly connected with the inner wall of the guide post (203 a), one end of the second spring (203 d) is fixedly connected with the sleeve rod (203 c), the other end of the second spring (203 d) is connected with a limiting rod (203 e), the top of the limiting rod (203 e) penetrates through the outer side of the sleeve rod (203 c), and an air outlet (203 g) is formed in the top of the guide post (203 a);
the pressure relief module (200) further comprises a clamping sealing assembly (204), the clamping sealing assembly (204) comprises a circular plate (204 a), a sealing rubber plate (204 b), a sealing plug (204 c) and an annular convex ring (204 d), two ends of the circular plate (204 a) are respectively connected with a limiting rod (203 e) and the sealing rubber plate (204 b), one ends of the sealing plug (204 c) and one end of the annular convex ring (204 d) are both connected with the sealing rubber plate (204 b), an annular groove (203 f) matched with the annular convex ring (204 d) is formed in the inner wall of the guide pillar (203 a), and the outer wall of the sealing plug (204 c) is meshed with the inner wall of the air outlet (203 g);
the pushing assembly (301) comprises a third spring (301 b) and a sealing push plate (301 c), the third spring (301 b) and the sealing push plate (301 c) are both arranged in the inner cavity of the sealing bin (301 a), two ends of the third spring (301 b) are respectively connected with the sealing bin (301 a) and the sealing push plate (301 c), the bottom of the sealing bin (301 a) is fixedly connected with the gas storage bin (102 a), and a pressure relief discharge pipe (301 d) is communicated with the outer wall of the sealing bin (301 a);
the linkage assembly (302) comprises a toothed plate (302 a), a stay bar (302 b), a pulley (302 c) and a driving gear (302 d), one end of the toothed plate (302 a) is connected with the sealing push plate (301 c), the surface of the toothed plate (302 a) is meshed with the driving gear (302 d), one end of the stay bar (302 b) is fixedly connected with the toothed plate (302 a), one end of the pulley (302 c) is connected with the stay bar (302 b), and the bottom of the pulley (302 c) is in sliding connection with the bottom of the inner wall of the sealing bin (301 a);
the transmission assembly (303) further comprises a rotating rod (303 a), a driving gear (303 b) and a transmission chain (303 c), the outer wall of the rotating rod (303 a) is fixedly connected with the inner wall of the driving gear (302 d), two ends of the rotating rod (303 a) are movably connected with the inner wall of the sealing bin (301 a), the driving gear (303 b) is arranged on the outer wall of the rotating rod (303 a), one end of the inner ring of the transmission chain (303 c) is meshed with the driving gear (303 b), and the other end of the inner ring of the transmission chain (303 c) is meshed with the driven gear (303 d).
2. The anti-sticking coal removing device for a coal drop pipe of a thermal power plant according to claim 1, wherein: the utility model provides a pipeline subassembly (101) is including coal breakage pipe (101 a), electrically operated gate (101 b), connecting pipe (101 c) and annular trachea (101 d), coal breakage pipe (101 a) one end is passed through electrically operated gate (101 b) and is linked together with connecting pipe (101 c), the other end of coal breakage pipe (101 a) is connected with flange (101 f), annular trachea (101 d) cover establish with the surface of coal breakage pipe (101 a), the inboard intercommunication of annular trachea (101 d) has injection pipe (101 e), the one end and the coal breakage pipe (101 a) intercommunication of injection pipe (101 e).
3. The anti-sticking coal removing device for a coal drop pipe of a thermal power plant according to claim 2, wherein: the blockage removal assembly (102) comprises a first air pipe (102 b), a second air pipe (102 c) and a second control valve (102 d), one end of the second air pipe (102 c) is communicated with the first air pipe (102 b), the other end of the second air pipe (102 c) is communicated with an annular air pipe (101 d), one end of the first air pipe (102 b) is communicated with a gas storage bin (102 a), the second control valve (102 d) is arranged on the outer wall of the first air pipe (102 b), and one end of the gas storage bin (102 a) is communicated with a pressurizing pipe (102 e).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697966.XA CN114988057B (en) | 2022-06-20 | 2022-06-20 | Anti-sticking coal-cleaning device for coal dropping pipe of thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697966.XA CN114988057B (en) | 2022-06-20 | 2022-06-20 | Anti-sticking coal-cleaning device for coal dropping pipe of thermal power plant |
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| CN114988057B true CN114988057B (en) | 2024-01-30 |
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| CN202210697966.XA Active CN114988057B (en) | 2022-06-20 | 2022-06-20 | Anti-sticking coal-cleaning device for coal dropping pipe of thermal power plant |
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| GB1249958A (en) * | 1969-07-07 | 1971-10-13 | Jacob Meir Kahana | A vehicle braking control device |
| GB1462786A (en) * | 1973-05-15 | 1977-01-26 | Hunter J | Automatic pneumatic pipework transportation apparatus |
| US5984148A (en) * | 1998-09-22 | 1999-11-16 | Nordson Corporation | Self-cleaning pressure relief and bypass valve, dispensing apparatus and method |
| CN205076292U (en) * | 2015-11-02 | 2016-03-09 | 中国神华能源股份有限公司 | Stifled clear stifled system is prevented to coal bunker |
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| CN109114298A (en) * | 2018-10-25 | 2019-01-01 | 斯丹红 | Safety relief valve superpressure automated watch-keeping facility and monitoring method |
| CN213929560U (en) * | 2020-06-27 | 2021-08-10 | 杨春侠 | Overvoltage protection device for natural gas pipeline system |
| CN113353562A (en) * | 2021-06-30 | 2021-09-07 | 章丘华明水泥新型建材有限公司 | Blockage clearing device of screw conveyor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6783333B2 (en) * | 2003-01-15 | 2004-08-31 | Min-Hsieng Wang | Air compressor |
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- 2022-06-20 CN CN202210697966.XA patent/CN114988057B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1249958A (en) * | 1969-07-07 | 1971-10-13 | Jacob Meir Kahana | A vehicle braking control device |
| GB1462786A (en) * | 1973-05-15 | 1977-01-26 | Hunter J | Automatic pneumatic pipework transportation apparatus |
| US5984148A (en) * | 1998-09-22 | 1999-11-16 | Nordson Corporation | Self-cleaning pressure relief and bypass valve, dispensing apparatus and method |
| CN205076292U (en) * | 2015-11-02 | 2016-03-09 | 中国神华能源股份有限公司 | Stifled clear stifled system is prevented to coal bunker |
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| CN109114298A (en) * | 2018-10-25 | 2019-01-01 | 斯丹红 | Safety relief valve superpressure automated watch-keeping facility and monitoring method |
| CN213929560U (en) * | 2020-06-27 | 2021-08-10 | 杨春侠 | Overvoltage protection device for natural gas pipeline system |
| CN113353562A (en) * | 2021-06-30 | 2021-09-07 | 章丘华明水泥新型建材有限公司 | Blockage clearing device of screw conveyor |
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|---|---|
| CN114988057A (en) | 2022-09-02 |
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