Coal supply equipment for power plants

The coal supply device addresses the issue of inconsistent lump sizes by using a sifting and conveyance system to segregate and adjust coal lumps, improving combustion efficiency and preventing blockages.

JP7612866B2Active Publication Date: 2025-01-14HUANENG (FUJIAN ZHANG ZHOU) ENERGY CO LTD
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Patent Information

Application Number
JP2023536056
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-05-26
Filing Date
2023-02-24
Publication Date
2025-01-14
Estimated Expiration
2043-02-24

AI Technical Summary

Technical Problem

Conventional coal supply equipment for power plants is limited to handling lumps of coal, leading to accumulation and poor combustion efficiency due to inconsistent lump sizes.

Method used

A coal supply device with a sifting mechanism, adjustment mechanism, conveyance mechanism, and control mechanism, including components like interlocking shafts, conveyor belts, and adjustable rollers, to segregate and convey coal lumps of varying sizes based on combustion requirements.

Benefits of technology

The device effectively adjusts coal lump specifications, ensuring uniform combustion by segregating large and small lumps, preventing blockages, and enhancing the overall combustion efficiency of coal.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a coal supplying device for a power station, which includes a sieving mechanism including a sieving frame and a driving member, an interlocking shaft is rotatably connected to the bottom surface of the inner side of the sieving frame, a guide frame is fitted on the outer surface of the interlocking shaft, two conveying trays are fitted on the outer surface of the guide frame, and a connection frame is fixedly connected to the outer surface of one side of the sieving frame. In the present invention, when used, a driving motor is started by control, and the driving motor can effectively drive the reducer body to move through the interlocking gear, the reducer body can effectively drive the interlocking shaft to rotate through the first bevel gear, and the interlocking shaft can effectively drive the conveying tray to rotate through the guide frame, at this time, an appropriate amount of coal lumps is injected into the inside of the guide frame through the shot frame, and the coal lumps can be effectively divided into two specifications through the initial blocking of the distribution holder, and the coal lumps of a larger specification reach the inside of the upper conveying tray through the guide frame, and the coal lumps of a smaller specification reach the inside of the lower conveying tray through the guide frame.
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Description

[Technical field]

[0001] The present invention relates to the technical field of coal transport equipment, and more particularly to a coal supply device for a power plant. [Background technology]

[0002] Thermal power generation is a method of generating electricity by utilizing the thermal energy generated when combustible materials are burned and converting it into electricity through a power generating device.

[0003] However, in the conventional technology, most of the conventional coal supply equipment for power plants can only move and transport coal lumps, which tends to cause a large amount of coal lumps with relatively large specifications to be piled up and fed, which affects the actual combustion effect of the coal lumps and leads to poor actual use of the equipment. Summary of the Invention [Problem to be solved by the invention]

[0004] The object of the present invention is to provide a coal supplying device for a power plant which can effectively adjust the specifications of the coal lumps according to the actual combustion conditions and ensure that the coal lumps are sufficiently combusted according to the actual combustion demand. [Means for solving the problem]

[0005] The technical solution adopted by the present invention is as follows: A coal supplying device for a power plant, comprising a sieving mechanism including a sieving frame and a driving member, an interlocking shaft is rotatably connected to the bottom surface of the inside of the sieving frame, a guide frame is fitted on the outer surface of the interlocking shaft, two conveying trays are fitted on the outer surface of the guide frame, a connection frame is fixedly connected to the outer surface of one side of the sieving frame, and the driving member is installed on the sieving frame; An adjustment mechanism including a ceiling frame, the ceiling frame being fixedly connected between the sieve frame and the ceiling of the connection frame, a slide frame penetrating the outer surface of one side of the ceiling frame, a moving block being slidably inserted into the inside of the slide frame, a rotating shaft being rotatably connected to the outer surface of one side of the moving block, a pressure roller and a second bevel gear being fitted on the outer surface of the rotating shaft, and a screw rod being fixedly connected to the bottom of the moving block; A conveying mechanism including a conveying frame, the conveying frame being installed in communication with one side of a connecting frame, two mounting brackets being fixedly connected to an inner bottom surface of the conveying frame, two support shafts being rotatably connected between opposing inner surface walls on both sides of each of the mounting brackets, an interlocking roller being fitted on the outer surface of each of the support shafts, the four interlocking rollers being divided into two groups, and a conveying belt being fitted between the outer surfaces of the two interlocking rollers of each group; a control mechanism including an eject rod, a guide wheel, and a position restricting wheel, the eject rod being fixedly connected to a tip of an interlocking shaft, a protection pipe being fixedly connected to the tip of the interlocking shaft, an outer surface of the interlocking shaft being located inside the protection pipe and a support spring being slidably fitted onto the outer surface of the interlocking shaft, a plurality of interlocking grooves being formed at equal distances on the inner surface of the protection pipe, a contact tray being slidably fitted onto the outer surface of the protection pipe, a rotating bracket being slidably fitted onto the outer surface of the interlocking shaft, a plurality of moving rods and cards being fixedly connected to a ceiling part of the rotating bracket at equal distances, tips of the plurality of moving rods being fixedly connected to a bottom part of the contact tray, the plurality of cards being slidably inserted into the corresponding interlocking grooves, the position restricting wheel and the guide wheel being fixedly connected to the inner surface of a shot frame, and a passing chute being formed on both the inner surface of the guide wheel and the outer surface of the contact tray.

[0006] Here, a plurality of filter holes are formed at equal intervals on the inner bottom surface of one of the conveying trays, and a distribution holder and a first bevel gear are fitted onto the outer surface of the interlocking shaft.

[0007] Here, the driving member includes a reducer body and a driving motor, both of which are fixedly connected to the inside bottom surface of the sieve frame, a first bevel gear is also fitted onto the output end of the reducer body, and the two first bevel gears are meshed with each other, an interlocking gear is fitted onto the input end of the reducer body, and a driving gear is also fitted onto the output end of the driving motor, and the two driving gears are meshed with each other.

[0008] Here, two first connection ports are opened on the outer surface of one side of the sieve frame, and two second connection ports are opened on the outer surface of one side of the connection frame, and the inside of each of the second connection ports is connected to the inside of a corresponding first connection port. Here, a protective frame is fixedly connected to the inner ceiling surface of the connection frame, and two partition plates are fixedly connected between opposing inner surface walls on both sides of the protective frame.

[0009] Here, two transport ports are opened on the outer surface of one side of the protective frame, and two material guide plates are fixedly connected to the outer surface of one side of the protective frame.

[0010] Here, a fixed frame is fixedly connected to the ceiling of the ceiling frame, a shot frame is inserted into the fixed frame, and the inside of the shot frame is connected to the inside of the guide frame.

[0011] Here, a rotating pipe is rotatably connected to the bottom of the slide frame, the rotating pipe is screwed onto a threaded rod, a worm wheel is fitted onto the outer surface of the rotating pipe, a worm is rotatably connected to the bottom of the slide frame, the worm is engaged with the worm wheel, and a moving port is opened on both outer surfaces of the slide frame.

[0012] Here, a mounting plate is fixedly connected to the ceiling of the movable block, a rotary motor is fixedly connected to the outer surface of one side of the mounting plate, and a second bevel gear is also fitted onto the output end of the rotary motor, so that the two second bevel gears are meshed with each other.

[0013] Here, a pulley is fitted onto the outer surface of one of the support shafts in each group, a belt is fitted between the outer surfaces of the two pulleys, a third bevel gear is fitted onto the outer surface of one of the support shafts, a conveying motor is fixedly connected to the outer surface of one of the mounting brackets, a third bevel gear is also fitted onto the output end of the conveying motor, the two third bevel gears are meshed with each other, a position regulating bracket is fixedly connected to the inner bottom surface of the conveying frame, two mounting stays are fixedly connected to the inner surface walls on both sides of the position regulating bracket, a plurality of position regulating shafts are connected to the outer surface of one side of each mounting stay and rotate at equal distances, position regulating rollers are fitted onto the outer surface of each of the position regulating shafts, an outlet is opened on the outer surface of one side of the conveying frame, and an outlet frame is fixedly connected to the outer surface of one side of the conveying frame. Effect of the Invention

[0014] As a result of adopting the above-mentioned technical solution, the present invention has the following beneficial effects:

[0015] In the present invention, when used, the driving motor is started by control, and the driving motor can effectively drive the reducer body to move through the interlocking gear, the reducer body can effectively drive the interlocking shaft to rotate through the first bevel gear, and the interlocking shaft can effectively drive the conveying tray to rotate through the guide frame, at this time, an appropriate amount of coal lumps is injected into the inside of the guide frame through the shot frame, and the eject rod can effectively drive the protective pipe to rotate through the interlocking shaft, and the rotating protective pipe can effectively drive the rotating bracket to rotate through the card, and the rotating bracket is positionally restricted by the position restricting wheel and moves up and down through the support of the support spring, and the moving rod can drive the receiving tray to make a high degree of up and down, and the relatively small coal lumps can effectively enter the inside of the guide frame through the passing chute, and the relatively large coal lumps can be injected at intervals in the receiving tray in cooperation with the guide wheel, effectively preventing the coal lumps from blocking the distribution holder, and the initial blocking of the distribution holder, The coal lumps can be divided into two specifications, the larger coal lumps reach the inside of the upper conveying tray through the guide frame, and the smaller coal lumps reach the inside of the lower conveying tray through the guide frame. Through the rotating action of the conveying tray, the coal lumps can be effectively conveyed to the ceiling of the corresponding partition plate through the first connection port and the second connection port. Guided by the partition plate, the coal lumps of various specifications can be effectively conveyed to the ceiling of the corresponding conveying belt. The conveying motor is started by control, and the conveying motor can be effectively driven to rotate the corresponding two support shafts through the third bevel gear, the pulley and the belt, the support shafts can be driven to rotate the corresponding interlocking rollers, and the interlocking rollers can be effectively driven to make the conveying belt convey the coal lumps. The coal lumps of various specifications can be conveyed to a specified use position through the discharge port and the discharge frame, and the worm can be rotated and adjusted by control according to the actual combustion state, and the worm can be effectively driven to rotate the rotating pipe by the worm wheel;The rotating rotating pipe can effectively adjust the use height of the screw rod, the screw rod can effectively adjust the use height of the moving block, the moving block can effectively adjust the gap between the pressing roller and the corresponding conveying tray through the rotating shaft, and the rotating motor can be started by control, the rotating motor can be effectively driven to rotate the rotating shaft through the second bevel gear, the rotating shaft can be effectively driven to rotate the pressing roller, and the rotating shaft can cooperate with the rotating conveying tray to perform pressing and adjustment according to the specifications of the coal lump, effectively controlling and adjusting the proportion of the export of large and small specifications of coal lump, effectively improving the actual combustion effect, and the equipment can effectively realize the specific function. [Brief description of the drawings]

[0016] [Figure 1] FIG. 1 is a front perspective view of the present invention. [Diagram 2] FIG. 2 is a rear perspective view of the present invention. [Diagram 3] FIG. 2 is a front cross-sectional exploded perspective view of the present invention. [Figure 4] FIG. 2 is a front cross-sectional exploded perspective view of the sieving mechanism of the present invention. [Diagram 5] FIG. 5 is an enlarged view of part A in FIG. 4 according to the present invention. [Figure 6] FIG. 2 is an exploded perspective cross-sectional side view of the adjustment mechanism of the present invention; [Figure 7] FIG. 7 is an enlarged view of part B in FIG. 6 of the present invention. [Figure 8] FIG. 7 is an enlarged view of part C in FIG. 6 of the present invention. [Figure 9] FIG. 2 is a front sectional exploded perspective view of the transport mechanism of the present invention; [Figure 10] FIG. 10 is an enlarged view of a portion D in FIG. 9 according to the present invention. [Figure 11] FIG. 2 is a partial perspective view of the present invention. [Figure 12] FIG. 2 is a front cross-sectional perspective view of the control mechanism of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in more detail below in conjunction with the drawings and examples. It should be understood that the embodiments described herein are not intended to limit the present invention, but are merely intended to interpret the present invention. Example 1

[0018] 1 to 12, a coal supply device for a power plant includes a sieving mechanism 1, an adjustment mechanism 2, a conveying mechanism 3, and a control mechanism 4. The sieving mechanism 1 includes a sieving frame 101 and a driving member. By providing the sieving frame 101, a mounting base for installing other functional components of the equipment can be provided, and in cooperation with a ceiling frame 201, safety protection can be provided for the other functional components of the equipment. An interlocking shaft 102 is rotatably connected to the bottom surface inside the sieving frame 101. By providing the interlocking shaft 102, the other functional components of the equipment can be easily attached and installed. In addition, the interlocking shaft 102 can provide the power required for the conveying tray 104 to rotate. A guide frame 103 is fitted onto the outer surface of the interlocking shaft 102. By providing the guide frame 103, the coal lumps can be effectively conveyed. Two conveying trays 104 are fitted onto the outer surface of the guide frame 103. By providing the conveying trays 104, the coal lumps can be effectively dispersed and processed, and the coal lumps can be effectively prevented from accumulating too much after being conveyed. A connecting frame 108 is fixedly connected to the outer surface of one side of the sieving frame 101. By providing the ceiling frame 201, other functional components of the equipment can be easily attached and installed, and the sieving frame 101 and the conveying frame 301 can be effectively communicated and connected. The driving member is installed on the sieving frame 101, and the adjustment mechanism 2 includes a ceiling frame 201. By providing the ceiling frame 201, other functional components of the equipment can be easily attached and installed, and the ceiling frame 201 is fixedly connected between the sieving frame 101 and the ceiling part of the connecting frame 108. A slide frame 204 is passed through the outer surface of one side of the ceiling frame 201. By providing the slide frame 204, The movable block 205 can be easily attached and installed. The movable block 205 is slidably inserted into the slide frame 204. By providing the movable block 205, the use position of the rotating shaft 210 can be easily moved and adjusted. The rotating shaft 210 is rotatably connected to the outer surface of one side of the movable block 205. By providing the rotating shaft 210, the pressure roller 211 can be easily attached and installed and the pressure roller 211 can rotate effectively. The pressure roller 211 and the second bevel gear are fitted onto the outer surface of the rotating shaft 210. By providing the second bevel gear,The rotary motor 213 can effectively drive the rotary shaft 210 to rotate, and a screw rod 206 is fixedly connected to the bottom of the moving block 205. By providing the screw rod 206, the use position of the moving block 205 can be effectively adjusted. The conveying mechanism 3 includes a conveying frame 301. By providing the conveying frame 301, other functional components of the equipment can be easily mounted and installed. The conveying frame 301 is installed in communication with one side of the connecting frame 108, and two mounting brackets 302 are fixed to the bottom surface inside the conveying frame 301. The mounting brackets 302 are connected to the inner walls of the mounting brackets 302, and the two support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the inner walls of the mounting brackets 302. The support shafts are connected to the outer ... The control mechanism 4 includes an eject rod 401, a guide wheel 409, and a position regulating wheel 408. The eject rod 401 is provided to drive the interlocking shaft 102 to rotate the rotating bracket 402 in cooperation with the protection pipe 403 and the card 405. The guide wheel 409 is provided to effectively block the coal lumps in cooperation with the contact tray 407. The position regulating wheel 408 is provided to effectively block the coal lumps in cooperation with the rotating bracket 402. The eject rod 401 is fixedly connected to the end of the interlocking shaft 102, and the protective pipe 403 is fixedly connected to the end of the interlocking shaft 102. By providing the protective pipe 403, it is possible to effectively prevent the lump of coal from affecting the use of the support spring 404. The outer surface of the interlocking shaft 102 is located inside the protective pipe 403, and the support spring 404 is slidably fitted onto the outside. By providing the support spring 404, it is possible to effectively regulate the position of the rotating bracket 402 in cooperation with the card 405.A plurality of interlocking grooves are formed at equal distances on the inner surface of the protection pipe 403, and the provision of the interlocking grooves allows the card 405 to be easily attached and installed. A support tray 407 is slidably fitted onto the outer surface of the protection pipe 403. A rotating bracket 402 is slidably fitted onto the outer surface of the interlocking shaft 102, and the provision of the rotating bracket 402 allows other functional components of the equipment to be easily attached and installed. A plurality of moving rods 406 and cards 405 are fixedly connected to the ceiling of the rotating bracket 402 at equal distances, and the provision of the moving rods 406 allows the rotating bracket 402 to be easily attached and installed. The ends of the moving rods 406 are fixedly connected to the bottom of the contact tray 407, the cards 405 are slidably inserted into the corresponding interlocking grooves, the position control wheels 408 and the guide wheels 409 are fixedly connected to the inner surface of the shot frame 203, and the inner surface of the guide wheels 409 and the outer surface of the contact tray 407 are both provided with passing chutes, and the provision of the passing chutes allows relatively small coal lumps to be effectively fed into the guide frame 103.

[0019] 3 to 10, a plurality of filter holes are provided at equal distances on the inner bottom surface of one of the conveying trays 104. By providing the filter holes, small lumps of coal after being pressed can be effectively dropped into the lower conveying tray 104. A distribution holder 105 and a first bevel gear are fitted on the outer surface of the interlocking shaft 102. By providing the first bevel gear, the reducer body 106 can be effectively driven to rotate the interlocking shaft 102. The driving member includes the reducer body 106 and a driving motor 107. By providing the reducer body 106, the driving motor The rotation speed of the reducer body 106 can be effectively adjusted by the driving motor 107, and the driving motor 107 is provided to provide the power required to operate the reducer body 106. The reducer body 106 and the driving motor 107 are both fixedly connected to the bottom surface inside the sieving frame 101. A first bevel gear is also fitted on the output end of the reducer body 106, and the two first bevel gears are meshed with each other. An interlocking gear is fitted on the input end of the reducer body 106. By providing the interlocking gear, the driving motor 107 can effectively drive the reducer body 106 to operate effectively. A driving gear is also fitted on the output end of the motor 107, and the two driving gears are meshed with each other. Two first connection ports are opened on the outer surface of one side of the sieving frame 101. The first connection ports are provided to cooperate with the second connection port, so that various specifications of coal lumps after sieving can be effectively transported to the ceiling part of the corresponding partition plate 110. Two second connection ports are opened on the outer surface of one side of the connecting frame 108, and the inside of each second connection port is connected to the inside of the corresponding first connection port. A protective frame 109 is fixedly connected to the ceiling surface inside the connecting frame 108, and the protective frame 109 is provided. By providing the partition plates 110, the coal lumps can be effectively prevented from scattering, two partition plates 110 are fixedly connected between the opposing inner surface walls on both sides of the protective frame 109, and the coal lumps can be effectively guided while being transported, two transport ports are opened on the outer surface on one side of the protective frame 109, and the provision of the transport ports allows the coal lumps to be effectively transported to the ceiling of the corresponding transport belt 304, and two material guide plates are fixedly connected to the outer surface on one side of the protective frame 109, and the provision of the material guide plates allowsThe coal lumps can be effectively transported to the ceiling of the corresponding conveyor belt 304. The fixed frame 202 is fixedly connected to the ceiling of the ceiling frame 201. By providing the fixed frame 202, the shot frame 203 can be easily attached and installed. The shot frame 203 is inserted into the fixed frame 202. By providing the shot frame 203, an appropriate amount of coal lumps can be easily injected into the guide frame 103. The inside of the shot frame 203 is connected to the inside of the guide frame 103. A rotating pipe is provided at the bottom of the slide frame 204. 207 is connected to the bottom of the slide frame 204, and the worm 208 is engaged with the worm wheel 209. The worm 208 ... connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame 204. The worm 208 is connected to the bottom of the slide frame A moving port is also provided, and by providing the moving port, the rotating shaft 210 can effectively move to the position of use. A mounting plate 212 is fixedly connected to the ceiling of the moving block 205. By providing the mounting plate 212, the rotating motor 213 can be easily attached and installed. The rotating motor 213 is fixedly connected to the outer surface of one side of the mounting plate 212. By providing the rotating motor 213, the power required for the rotating shaft 210 to rotate is provided. A second bevel gear is also fitted on the output end of the rotating motor 213, and the two second bevel gears are meshed with each other. A pulley is fitted on the outer surface of each of the support shafts, and the two corresponding support shafts can effectively rotate by installing the pulleys and cooperating with the belt. A belt is fitted between the outer surfaces of the two pulleys. A second bevel gear is fitted on the outer surface of one of the support shafts, and a conveying motor 308 is fixedly connected to the outer surface of one side of one of the mounting brackets 302. The conveying motor 308 provides the power required for the support shaft to rotate. A third bevel gear is also fitted on the output end of the conveying motor 308, and the two third bevel gears are meshed with each other.A position regulating bracket 305 is fixedly connected to the inner bottom surface of the conveying frame 301. By providing the position regulating bracket 305, other functional components of the equipment can be easily attached and installed. Two mounting stays 306 are fixedly connected to the inner surface walls on both sides of the position regulating bracket 305. By providing the mounting stays 306, a position regulating shaft can be easily attached and installed. A plurality of position regulating shafts are connected to the outer surface of one side of each mounting stay 306 by rotating at equal distances. By providing the position regulating shafts, a position regulating roller 307 can be easily attached and installed. The position regulating roller 307 is fitted on the outer surface of each position regulating shaft. By installing the position regulating roller 307, the conveying state of the conveying belt 304 can be effectively regulated. A discharge port is opened on the outer surface of one side of the conveying frame 301. By providing the discharge port and cooperating with the discharge frame 309, various specifications of coal lumps can be effectively output. The discharge frame 309 is fixedly connected to the outer surface of one side of the conveying frame 301.

[0020] In use, the driving motor 107 is started by control, and the driving motor 107 can effectively drive the reducer body 106 to move through the interlocking gear, and the reducer body 106 can effectively drive the interlocking shaft 102 to rotate through the first bevel gear, and the interlocking shaft 102 can effectively drive the conveying tray 104 to rotate through the guide frame 103. At this time, an appropriate amount of coal lumps is injected into the inside of the guide frame 103 through the shot frame 203, and the eject rod 401 is driven by the interlocking shaft 102 to move in a protective manner. The pipe 403 can be effectively driven to rotate, and the rotating protective pipe 403 can be effectively driven to rotate the rotating bracket 402 by the card 405. With the support of the support spring 404, the rotating bracket 402 is position-regulated by the position-regulating wheel 408 and moves up and down. The moving rod 406 can effectively drive the contact tray 407 to move up and down to a high degree. The relatively small coal lumps can effectively enter the inside of the guide frame 103 through the passing chute, and the contact tray 407 is guided by the guide wheel 409. In cooperation with each other, the larger coal lumps can be fed at intervals, and the coal lumps can be effectively prevented from blocking the distribution holder 105. Through the initial blocking of the distribution holder 105, the coal lumps can be effectively divided into two specifications. The larger coal lumps reach the inside of the upper conveying tray 104 through the guide frame 103, and the smaller coal lumps reach the inside of the lower conveying tray 104 through the guide frame 103. Through the rotation of the conveying tray 104, the coal lumps are fed into the opposite directions through the first connection port and the second connection port. The coal lumps can be transported to the ceiling of the corresponding partition plate 110, and through the guide of the partition plate 110, the coal lumps of various specifications can be effectively transported to the ceiling of the corresponding conveyor belt 304, and the conveyor motor 308 is started by control, and the conveyor motor 308 can be effectively driven to rotate the corresponding two support shafts by the third bevel gear, pulley and belt, and the support shafts can be driven to rotate the corresponding interlocking rollers 303, and the interlocking rollers 303 can be effectively driven to make the conveyor belt 304 transport the coal lumps,Various specifications of coal lumps can be effectively transported to a specified use position through the discharge port and the discharge frame 309, and the worm 208 can be rotated and adjusted by control according to the actual combustion state. The worm 208 can be effectively driven to rotate the rotating pipe 207 by the worm wheel 209, the rotating rotating pipe 207 can effectively adjust the use height of the threaded rod 206, the threaded rod 206 can effectively adjust the use height of the moving block 205, and the moving block 205 can be connected to the pressing roller 211 by the rotating shaft 210. The gap between the conveying tray 104 can be effectively adjusted, and the rotary motor 213 can be controlled to start, and the rotary motor 213 can be effectively driven to rotate the rotary shaft 210 through the second bevel gear, and the rotary shaft 210 can be effectively driven to rotate the pressing roller 211, and the rotating rotary shaft 210 can cooperate with the rotating conveying tray 104 to perform pressing and adjustment of the specifications of the coal lump, effectively controlling and adjusting the proportion of the output of the large and small specifications of the coal lump, and effectively improving the actual combustion effect, so that the equipment can effectively realize its unique functions.

[0021] The above description is merely a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the scope of the spirit and intent of the present invention are all intended to be included within the protection scope of the present invention. [Explanation of symbols]

[0022] 1 sieving mechanism, 101 sieving frame, 102 interlocking shaft, 103 guide frame, 104 conveying tray, 105 distribution holder, 106 reducer body, 107 driving motor, 108 connection frame, 109 protective frame, 110 partition plate, 2 adjustment mechanism, 201 ceiling frame, 202 fixed frame, 203 shot frame, 204 slide frame, 205 moving block, 206 screw rod, 207 rotating pipe, 208 worm, 209 worm wheel, 210 rotating shaft, 211 pressure roller, 212 placement plate, 213 rotating motor, 3 conveying mechanism, 301 conveying frame, 302 mounting bracket, 303 interlocking roller, 304 conveying belt, 305 position control bracket, 306 mounting stay, 307 position control roller, 308 Conveying motor, 309 discharge frame, 4 control mechanism, 401 eject rod, 402 rotating bracket, 403 protective pipe, 404 support spring, 405 card, 406 moving rod, 407 contact tray, 408 position regulating wheel, 409 guide wheel.

Claims

1. A coal supply device for a power plant, comprising: A sieving mechanism (1) for sieving coal injected from the outside according to its specifications, comprising a sieving frame (101) and a driving member, wherein an interlocking shaft (102) is rotatably connected to an inner bottom surface of the sieving frame (101), a guide frame (103) is fitted to the outer surface of the interlocking shaft (102), two conveying trays (104) for sieving the coal are fitted to the outer surface of the guide frame (103), a connection frame (108) is fixedly connected to the outer surface of one side of the sieving frame (101), and the driving member is installed on the sieving frame (101); an adjustment mechanism (2) including a ceiling frame (201) and cooperating with the transport tray (104) to press and adjust the coal according to the specifications, the ceiling frame (201) being fixedly connected between the sieve frame (101) and the ceiling of the connection frame (108), a slide frame (204) penetrating the outer surface of one side of the ceiling frame (201), a moving block (205) being slidably inserted into the slide frame (204), a rotating shaft (210) being rotatably connected to the outer surface of one side of the moving block (205), a pressing roller (211) for pressing the coal and a second bevel gear being fitted on the outer surface of the rotating shaft (210), and a screw rod (206) being fixedly connected to the bottom of the moving block (205); a conveying mechanism (3) including a conveying frame (301) for conveying the coal sifted and sent out from the sifting mechanism (1), the conveying frame (301) being installed in communication with one side of a connecting frame (108), two mounting brackets (302) being fixedly connected to an inner bottom surface of the conveying frame (301), two support shafts being rotatably connected between opposing inner surface walls on both sides of each mounting bracket (302), interlocking rollers (303) being fitted on the outer surfaces of each support shaft, the four interlocking rollers (303) being divided into two groups, and a conveying belt (304) being fitted on the outer surfaces of each of the two interlocking rollers (303) in each group; A control mechanism (4) including an eject rod (401), a guide wheel (409), and a position regulating wheel (408) for controlling the sending out of the coal to the screening mechanism (1) in accordance with the specifications of the coal, the eject rod (401) being fixedly connected to the tip of an interlocking shaft (102), a protection pipe (403) being fixedly connected to the tip of the interlocking shaft (102), an outer surface of the interlocking shaft (102) being located inside the protection pipe (403) and a support spring (404) being slidably fitted to the outside, a plurality of interlocking grooves being opened at equal distances on the inner surface wall of the protection pipe (403), a contact tray (407) being slidably fitted to the outer surface of the protection pipe (403), A rotating bracket (402) is slidably fitted onto the outer surface of the interlocking shaft (102), a plurality of moving rods (406) and cards (405) are fixedly connected to the ceiling of the rotating bracket (402) at equal distances, the ends of the plurality of moving rods (406) are fixedly connected to the bottom of a support tray (407), and the plurality of cards (405) are all slidably inserted into the corresponding interlocking grooves, the position control wheel (408) and the guide wheel (409) are all fixedly connected to the inner surface of the shot frame (203), and a passing chute is provided on both the inner surface of the guide wheel (409) and the outer surface of the support tray (407). The sieving mechanism (1) sieves coal injected from the outside and sends the sieved coal to the conveying mechanism (3). The conveying mechanism (3) then conveys the coal sent from the sieving mechanism (1) to a specified use position and supplies the coal from the conveying mechanism (3) to the outside. A coal supplying device for a power plant.

2. The coal supply device for a power plant according to claim 1, characterized in that a plurality of filter holes are opened at equal distances on the inner bottom surface of one of the transport trays (104), and a distribution holder (105) and a first bevel gear are fitted on the outer surface of the interlocking shaft (102) to distribute the coal to the transport trays (104) according to their specifications.

3. The coal supply device for a power plant according to claim 2, characterized in that the driving member includes a reducer body (106) and a drive motor (107), the reducer body (106) and the drive motor (107) are both fixedly connected to the bottom surface inside the sieve frame (101), a first bevel gear is also fitted onto the output end of the reducer body (106), and the two first bevel gears are meshed with each other, an interlocking gear is fitted onto the input end of the reducer body (106), and a drive gear is also fitted onto the output end of the drive motor (107), and the drive gear and the interlocking gear are meshed with each other.

4. The coal supply device for a power plant according to claim 3, characterized in that two first connection ports are opened on an outer surface of one side of the sieve frame (101), two second connection ports are opened on an outer surface of one side of the connection frame (108), and the inside of each of the second connection ports is connected to the inside of a corresponding first connection port.

5. The coal supply device for a power plant according to claim 4, characterized in that a protection frame (109) is fixedly connected to an inner ceiling surface of the connection frame (108), and two partition plates (110) are fixedly connected between opposing inner surface walls on both sides of the protection frame (109).

6. The coal supplying device for power plant according to claim 5, characterized in that two conveying openings are opened on one side of the outer surface of the protective frame (109), and two material guide plates are fixedly connected to the one side of the outer surface of the protective frame (109).

7. 7. The coal supply device for a power plant according to claim 6, wherein a fixed frame (202) is fixedly connected to a ceiling part of the ceiling frame (201), a shot frame (203) is inserted into the fixed frame (202), and the inside of the shot frame (203) is connected to the inside of the guide frame (103).

8. 8. The coal supplying device for power station according to claim 7, wherein a rotating pipe (207) is rotatably connected to the bottom of the slide frame (204), the rotating pipe (207) is screwed onto a threaded rod (206), a worm wheel (209) is fitted onto the outer surface of the rotating pipe (207), a worm (208) is rotatably connected to the bottom of the slide frame (204), the worm (208) is meshed with the worm wheel (209), and a moving port is opened on both outer surfaces of the slide frame (204).

9. The coal supplying device for a power plant according to claim 8, characterized in that a loading plate (212) is fixedly connected to a ceiling part of the moving block (205), a rotary motor (213) is fixedly connected to an outer surface of one side of the loading plate (212), a second bevel gear is also fitted to an output end of the rotary motor (213), and the two second bevel gears are meshed with each other.

10. A pulley is fitted onto the outer surface of one of the support shafts in each group, a belt is fitted between the outer surfaces of the two pulleys, a third bevel gear is fitted onto the outer surface of one of the support shafts, a conveying motor (308) is fixedly connected to the outer surface of one side of one of the mounting brackets (302), a third bevel gear is also fitted onto the output end of the conveying motor (308), and the two third bevel gears are meshed with each other. A position regulating bracket (305) is fixedly connected to the inner bottom surface of the conveying frame (301).

10. The coal supplying device for a power plant according to claim 9, characterized in that: the position regulating bracket (305) is connected to an outer surface of one side of the conveying frame (301), two mounting stays (306) are fixedly connected to each of the inner surface walls on both sides of the position regulating bracket (305), a plurality of position regulating shafts are connected to an outer surface of one side of each mounting stay (306) and rotate at equal distances, position regulating rollers (307) are fitted onto the outer surface of each of the position regulating shafts, a discharge port is opened on the outer surface of one side of the conveying frame (301), and a discharge frame (309) is fixedly connected to the outer surface of the conveying frame (301) on one side.

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