CN218295783U - Boiler stokehold feed bin feeder - Google Patents
Boiler stokehold feed bin feeder Download PDFInfo
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- CN218295783U CN218295783U CN202221827237.3U CN202221827237U CN218295783U CN 218295783 U CN218295783 U CN 218295783U CN 202221827237 U CN202221827237 U CN 202221827237U CN 218295783 U CN218295783 U CN 218295783U
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Abstract
The utility model provides a boiler stokehold feed bin feeder, includes former coal bunker, feeder, coal pulverizer, powder exhauster, furnace body and feed pipe, the L shaped plate that two symmetries of top fixedly connected with in former coal bunker set up, and the upper end fixedly connected with annular tube of L shaped plate, the atomizer that a plurality of arrays of lateral wall fixedly connected with of annular tube set up, and the backup pad that two symmetries of lateral wall fixedly connected with in former coal bunker set up, one of them the lateral wall of backup pad is provided with and is used for carrying out the water supply mechanism that supplies water to the annular tube. This kind of boiler stokehold feed bin feeder can avoid band conveyer to produce great dust when sending the coal to raw coal bunker from the coal yard, plays the dust fall effect, avoids the dust diffusion, and is more environmental protection, simultaneously, carries out reciprocal striking to raw coal bunker's lateral wall, avoids the raw coal adhesion at raw coal bunker's lateral wall to, can disclose the raw coal in the raw coal bunker, guarantee the ejection of compact speed and the effect of feed pipe, avoid the ejection of compact to block up.
Description
The technical field is as follows:
the utility model belongs to the technical field of thermal power, specifically speaking relates to a boiler stokehold feed bin feeder.
Background art:
the combustion system of thermal power generation is composed of coal conveying, coal grinding, powder feeding, combustion in boiler, dust removal, desulfurization and the like. The existing feeding device based on a boiler front bunker of a Russian E-400-13.7-560KT boiler is characterized in that coal is conveyed to a raw coal bunker from a coal yard by a belt conveyor and enters a coal pulverizing system for grinding through a coal feeder, and ground coal powder is conveyed to the boiler for combustion through a powder exhauster and hot air from an air preheater. And the flue gas generated by combustion is conveyed to a desulfurization device after passing through a dust remover, and is conveyed to a chimney through a draught fan to be discharged into the atmosphere.
However, when the feeding device of the boiler front bunker of the existing boiler based on the Russian E-400-13.7-560KT boiler is used, the belt conveyor can generate large dust when sending coal to the raw coal bunker from a coal yard, so that the dust is diffused into the air, the feeding device is not environment-friendly enough, the raw coal is easy to adhere to the bottom of the raw coal bunker, and meanwhile, the raw coal can be piled up, so that the blockage easily occurs, and the feeding speed and the feeding effect are influenced.
The utility model has the following contents:
the utility model aims at solving the problem that the aforesaid exists, providing a boiler stokehold feed bin feeder, solve the easy adhesion raw coal of bottom in environmental protection and raw coal storehouse, the raw coal produces piles up, blocks up, influences the speed of feed and the problem of effect.
The above purpose is realized by the following technical scheme:
the utility model provides a boiler stokehold feed bin feeder, includes former coal bunker, feeder, coal pulverizer, powder exhauster, furnace body and feed pipe, the L shaped plate that two symmetries of top fixedly connected with in former coal bunker set up, and the upper end fixedly connected with ring pipe of L shaped plate, the atomizer that a plurality of arrays of lateral wall fixedly connected with of ring pipe set up, and the backup pad that two symmetries of lateral wall fixedly connected with in former coal bunker set up, one of them the lateral wall of backup pad be provided with and be used for carrying out the water supply mechanism that supplies water to the ring pipe, and the solid fixed ring of the relative lateral wall fixedly connected with of two backup pads, solid fixed ring cover establish the lateral wall at the feed pipe, and solid fixed ring's lower lateral wall is connected with the shifting ring through multiunit telescopic machanism.
A boiler stokehold feed bin feeder, the shift ring cover establish the lateral wall of feed pipe, and each group be connected with the carriage release lever on the telescopic machanism, the last lateral wall and the fixed cover that solid fixed ring was run through to the upper end of carriage release lever are equipped with the striking ring, and one of them the lateral wall of backup pad be provided with and be used for promoting the first pushing mechanism that the carriage release ring moved.
Boiler stokehold feed bin feeder, each the upper end of carriage release lever run through to in the raw coal storehouse and the dead lever that a plurality of arrays of fixedly connected with set up.
A boiler stokehold feed bin feeder, each group telescopic machanism include the sleeve pipe of fixed connection lateral wall on the shift ring, and the lower extreme of shift rod is inserted and is established in the sleeve pipe, it is that the lower extreme of shift rod is connected through first spring and sheathed tube bottom, and sheathed tube lateral wall cover is equipped with the second spring, the upper end of second spring fixed with solid fixed ring's lower lateral wall, and the lower extreme of second spring is fixed with the last lateral wall of shift ring.
A boiler stokehold feed bin feeder, first pushing mechanism include the connecting plate of fixed connection lateral wall under one of them backup pad, and the lateral wall fixedly connected with motor of connecting plate, the output of motor run through the lateral wall and the fixedly connected with rolling disc of connecting plate, and the lateral wall off-centre of rolling disc is provided with the fixed pin, the lateral wall cover of fixed pin is equipped with the removal frame that the annular set up, the lower lateral wall fixedly connected with U-shaped of removal frame set up the connecting rod, and the other end of connecting rod is fixed with the lower lateral wall of shifting ring.
The utility model provides a boiler stokehold feed bin feeder, water supply mechanism include fixed connection and at one of them the working pipe of backup pad lateral wall, and the first fixed pipe of top fixedly connected with of working pipe, first fixed intraductal first check valve that is provided with, and the other end fixedly connected with inlet tube of first fixed pipe, the fixed pipe of lateral wall fixedly connected with second of working pipe, and the fixed intraductal second check valve that is provided with of second, the other end fixedly connected with outlet pipe of the fixed pipe of second, and the other end of outlet pipe is fixed with the lateral wall of toroidal tube, the intraductal sliding connection of working have a piston, and the lateral wall of working pipe is provided with and is used for promoting the second pushing mechanism that the piston moved.
A boiler stokehole feed bin feeder, second pushing mechanism include fixed connection the slide bar of lateral wall under the piston, and the lower extreme of slide bar runs through the bottom of working tube and fixed with the last lateral wall that removes the frame, the lateral wall cover of slide bar be equipped with compression spring, and the piston passes through compression spring and is connected with the bottom of working tube.
Has the beneficial effects that:
1. the utility model discloses a set up first pushing mechanism etc, the starter motor, the rotation of motor drives the rotation of rolling disc, make the fixed pin reciprocating slide in removing the frame, thereby make and remove frame reciprocating up and down motion, the reciprocating up and down motion of removing the frame passes through the connecting rod and drives the carriage ring reciprocating up and down motion, during the reciprocating up and down motion of carriage ring, drive carriage release lever and striking ring reciprocating up and down motion through each telescopic machanism of organizing, thereby make the striking ring carry out reciprocal striking to the lateral wall of raw coal bunker, avoid the adhesion of raw coal at the lateral wall of raw coal bunker, meanwhile, during carriage release lever reciprocating motion, can drive dead lever reciprocating motion, thereby can disclose the raw coal in the raw coal bunker, guarantee the ejection of compact speed and the effect of feed pipe, avoid ejection of compact jam.
2. The utility model discloses a set up water supply mechanism etc, when the rolling disc rotates, make to remove frame reciprocating up and down, it drives synchronous reciprocating up and down of slide bar to remove frame reciprocating up and down, and then drive piston reciprocating up and down in the work tube, when the piston moves down, produce the negative pressure in the work tube, and simultaneously, first check valve is opened, the second check valve is closed, this moment, outside water passes through in inlet tube and the first fixed pipe entering work tube, when the piston rebound, extrude the water in the work tube, and simultaneously, first check valve is closed, the second check valve is opened, at this moment, water in the work tube is pushed the back and is gone into the annular tube and spout through atomizer behind the fixed pipe of second and outlet pipe, play the dust fall effect, avoid the dust diffusion, environmental protection more.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a raw coal bunker of the present invention;
fig. 3 is a schematic perspective view of another view angle of the raw coal bunker of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
In the figure: 101-raw coal bunker; 102-a coal feeder; 103-a coal mill; 104-powder discharging machine; 105-a furnace body; 106-a feed pipe; 201-a fixed ring; 202-moving ring; 203-a moving rod; 204-impact ring; 301-a cannula; 302-a second spring; 401-connecting plate; 402-a motor; 403-rotating disk; 404-moving a frame; 405-a fixation pin; 406-a connecting rod; 501-sliding rod; 502-compression spring; 6-fixing the rod; 7-a working pipe; 8-a piston; 9-a first fixed tube; 10-a water inlet pipe; 11-a second stationary tube; 12-a water outlet pipe; 13-L shaped plate; 14-a ring-shaped tube; 15-an atomizing spray head; 16-support plate.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, a feeding device for a stokehole bunker of a boiler comprises a raw coal bunker 101, a coal feeder 102, a coal pulverizer 103, a powder exhauster 104, a furnace body 105 and a feeding pipe 106, wherein two L-shaped plates 13 symmetrically arranged are fixedly connected to the top of the raw coal bunker 101, an annular pipe 14 is fixedly connected to the upper end of each L-shaped plate 13, a plurality of atomizing nozzles 15 arranged in an array are fixedly connected to the side wall of each annular pipe 14, two support plates 16 symmetrically arranged are fixedly connected to the side wall of the raw coal bunker 101, a water supply mechanism for supplying water to the annular pipe 14 is arranged on the side wall of one support plate 16, fixing rings 201 are fixedly connected to the opposite side walls of the two support plates 16, the fixing rings 201 are sleeved on the side wall of the feeding pipe 106, and the lower side walls of the fixing rings 201 are connected to moving rings 202 through a plurality of sets of telescopic mechanisms, the lateral wall at feed pipe 106 is established to shift ring 202 cover, and be connected with shift rod 203 on each group's telescopic machanism, the last lateral wall and the fixed cover that solid fixed ring 201 was run through to the upper end of shift rod 203 are equipped with striking ring 204, and the lateral wall of one of them backup pad 16 is provided with and is used for promoting shift ring 202 and carry out the first pushing mechanism who removes, can avoid band conveyer to produce great dust when sending the coal to raw coal bunker 101 from the coal yard, play the dust fall effect, avoid the dust diffusion, and is more environment-friendly, and simultaneously, carry out reciprocal striking to the lateral wall of raw coal bunker 101, avoid the raw coal adhesion at the lateral wall of raw coal bunker 101, and, can disclose the raw coal in the raw coal bunker 101, guarantee the ejection of compact speed and the effect of feed pipe 106, avoid the ejection of compact jam.
The dead lever 6 that sets up to in the raw coal bunker 101 and a plurality of arrays of fixedly connected with is run through to the upper end of each carriage release lever 203, and during carriage release lever 203 reciprocating motion, can drive 6 reciprocating motion of dead lever to can disclose the raw coal in the raw coal bunker 101, guarantee the ejection of compact speed and the effect of feed pipe 106, avoid the ejection of compact to block up.
Each set of telescoping mechanism comprises a sleeve 301 fixedly connected to the upper side wall of the moving ring 202, the lower end of the moving rod 203 is inserted into the sleeve 301, the lower end of the moving rod 203 is connected with the bottom of the sleeve 301 through a first spring, the side wall of the sleeve 301 is sleeved with a second spring 302, the upper end of the second spring 302 is fixed to the lower side wall of the fixing ring 201, the lower end of the second spring 302 is fixed to the upper side wall of the moving ring 202, and the moving rods 203 and the moving ring 202 are guided and buffered.
The first pushing mechanism comprises a connecting plate 401 fixedly connected to the lower side wall of one of the supporting plates 16, a motor 402 is fixedly connected to the side wall of the connecting plate 401, the output end of the motor 402 penetrates through the side wall of the connecting plate 401 and is fixedly connected with a rotating disc 403, a fixing pin 405 is eccentrically arranged on the side wall of the rotating disc 403, a movable frame 404 arranged in an annular mode is sleeved on the side wall of the fixing pin 405, a connecting rod 406 arranged in a U shape is fixedly connected to the lower side wall of the movable frame 404, the other end of the connecting rod 406 is fixed to the lower side wall of the movable ring 202, the motor 402 is started, the rotating disc 403 is driven by the rotation of the motor 402, the fixing pin 405 slides in the movable frame 404 in a reciprocating mode, the movable frame 404 reciprocates in an up-and-down mode, the up-down reciprocating motion of the movable frame 404 drives the movable ring 202 to reciprocate up and down through the connecting rod 406, when the movable ring 202 reciprocates up and down, the movable rod 203 and the impact ring 204 are driven by each set of telescopic mechanisms to reciprocate up and down, and accordingly, the impact of the impact ring 204 on the side wall of the raw coal bunker 101 is avoided from being adhered to the side wall of the raw coal bunker 101.
The water supply mechanism comprises a working pipe 7 fixedly connected with the side wall of one of the supporting plates 16, the top of the working pipe 7 is fixedly connected with a first fixing pipe 9, a first one-way valve is arranged in the first fixing pipe 9, the conduction direction of the first one-way valve is from the water inlet pipe 10 to the inside of the working pipe 7, the other end of the first fixing pipe 9 is fixedly connected with a water inlet pipe 10, the water inlet pipe 10 is connected with an external water source, the side wall of the working pipe 7 is fixedly connected with a second fixing pipe 11, a second one-way valve is arranged in the second fixing pipe 11, the conduction direction of the second one-way valve is from the inside of the working pipe 7 to a water outlet pipe 12, the other end of the second fixing pipe 11 is fixedly connected with a water outlet pipe 12, the other end of the water outlet pipe 12 is fixed with the side wall of the annular pipe 14, and a piston 8 is slidably connected in the working pipe 7, and the lateral wall of the working pipe 7 is provided with a second pushing mechanism for pushing the piston 8 to move, the second pushing mechanism drives the piston 8 to reciprocate up and down in the working pipe 7, when the piston 8 moves downwards, negative pressure is generated in the working pipe 7, meanwhile, the first one-way valve is opened, the second one-way valve is closed, at the moment, external water enters the working pipe 7 through the water inlet pipe 10 and the first fixing pipe 9, when the piston 8 moves upwards, the water in the working pipe 7 is extruded, meanwhile, the first one-way valve is closed, the second one-way valve is opened, at the moment, the water in the working pipe 7 enters the annular pipe 14 through the second fixing pipe 11 and the water outlet pipe 12 after being extruded, and is sprayed out through the atomizing spray head 15, so that the dust settling effect is achieved, dust diffusion is avoided, and the environment is protected.
The second pushing mechanism comprises a sliding rod 501 fixedly connected to the lower side wall of the piston 8, the lower end of the sliding rod 501 penetrates through the bottom of the working tube 7 and is fixed to the upper side wall of the movable frame 404, a compression spring 502 is sleeved on the side wall of the sliding rod 501, the piston 8 is connected with the bottom of the working tube 7 through the compression spring 502, when the rotating disc 403 rotates, the movable frame 404 reciprocates up and down, the sliding rod 501 is driven to reciprocate up and down synchronously when the movable frame 404 reciprocates up and down, and then the piston 8 is driven to reciprocate up and down in the working tube 7.
When the coal mining machine is used, firstly, the motor 402 is started, the rotation of the motor 402 drives the rotation disc 403 to rotate, the fixed pin 405 slides in the moving frame 404 in a reciprocating mode, so that the moving frame 404 reciprocates up and down, the up-and-down reciprocating motion of the moving frame 404 drives the moving ring 202 to reciprocate up and down through the connecting rod 406, when the moving ring 202 reciprocates up and down, the moving rod 203 and the impact ring 204 are driven to reciprocate up and down through various groups of telescopic mechanisms, so that the impact ring 204 impacts the side wall of the raw coal bin 101 in a reciprocating mode, raw coal is prevented from being adhered to the side wall of the raw coal bin 101, meanwhile, when the moving rod 203 reciprocates, the fixed rod 6 can be driven to reciprocate, so that the raw coal in the raw coal bin 101 can be poked open, the discharging speed and effect of the feeding pipe 106 are ensured, and discharging blockage is avoided;
meanwhile, when the rotating disc 403 rotates, the moving frame 404 reciprocates up and down, when the moving frame 404 reciprocates up and down, the sliding rod 501 is driven to synchronously reciprocate up and down, so as to drive the piston 8 to reciprocate up and down in the working pipe 7, when the piston 8 moves down, negative pressure is generated in the working pipe 7, meanwhile, the first check valve is opened, the second check valve is closed, at the moment, external water enters the working pipe 7 through the water inlet pipe 10 and the first fixing pipe 9, when the piston 8 moves up, the water in the working pipe 7 is extruded, meanwhile, the first check valve is closed, the second check valve is opened, at the moment, the water in the working pipe 7 enters the annular pipe 14 through the second fixing pipe 11 and the water outlet pipe 12 after being extruded, and is sprayed out through the atomizing spray head 15, so that a dust falling effect is achieved, dust diffusion is avoided, and the environment is more environment-friendly.
Claims (7)
1. The utility model provides a boiler stokehold feed bin feeder, includes former bunker, feeder, coal pulverizer, powder exhauster, furnace body and feed pipe, characterized by: the L-shaped plate that two symmetries of top fixedly connected with of former coal bunker set up, and the upper end fixedly connected with annular pipe of L-shaped plate, the atomizer that a plurality of arrays of lateral wall fixedly connected with of annular pipe set up, and the backup pad that two symmetries of lateral wall fixedly connected with of former coal bunker set up, one of them the lateral wall of backup pad be provided with and be used for carrying out the water supply mechanism that supplies water to the annular pipe, and the solid fixed ring of the relative lateral wall fixedly connected with of two backup pads, solid fixed ring cover establish the lateral wall at the feed pipe, and solid fixed ring's lower lateral wall is connected with the shifting ring through multiunit telescopic machanism.
2. The feeding device of the boiler stokehole bin according to claim 1, characterized in that: the shift ring cover establish the lateral wall at the feeding pipe, and each group be connected with the carriage release lever on the telescopic machanism, the upper end of carriage release lever runs through solid fixed ring's last lateral wall and fixed cover is equipped with the striking ring, and one of them the lateral wall of backup pad be provided with and be used for promoting the first pushing mechanism that the carriage release lever carries out the removal.
3. The feeding device of the boiler stokehole bin according to claim 2, characterized in that: the upper end of each moving rod penetrates into the raw coal bunker and is fixedly connected with a plurality of fixed rods arranged in an array mode.
4. The feeding device of the boiler stokehole bin according to claim 3, characterized in that: each group telescopic machanism include the sleeve pipe of fixed connection lateral wall on the shift ring, and the lower extreme of carriage release lever inserts and establish in the sleeve pipe, the lower extreme of carriage release lever be connected through first spring and sheathed tube bottom, and sheathed tube lateral wall cover is equipped with the second spring, the upper end of second spring fixed with solid fixed ring's lower lateral wall, and the lower extreme of second spring is fixed with the last lateral wall of shift ring.
5. The feeding device of the boiler stokehole bin according to claim 4, characterized in that: first pushing mechanism include the connecting plate of fixed connection lateral wall under one of them backup pad, and the lateral wall fixedly connected with motor of connecting plate, the output of motor run through the lateral wall and the fixedly connected with rolling disc of connecting plate, and the lateral wall off-centre of rolling disc is provided with the fixed pin, the lateral wall cover of fixed pin is equipped with the removal frame that the annular set up, the lower lateral wall fixedly connected with U-shaped of removal frame set up the connecting rod, and the other end of connecting rod is fixed with the lower lateral wall of shifting ring.
6. The feeding device of the boiler stokehole bin according to claim 5, characterized in that: the water supply mechanism include fixed connection and be in one of them the backup pad lateral wall the work pipe, and the first fixed pipe of top fixedly connected with of work pipe, first fixed intraductal first check valve that is provided with, and the other end fixedly connected with inlet tube of first fixed pipe, the fixed pipe of lateral wall fixedly connected with second of work pipe, and the fixed intraductal second check valve that is provided with of second, the other end fixedly connected with outlet pipe of the fixed pipe of second, and the other end of outlet pipe is fixed with the lateral wall of ring pipe, the intraductal sliding connection of work have a piston, and the lateral wall of work pipe is provided with and is used for promoting the second pushing mechanism that the piston moved.
7. The feeding device of the boiler stokehole bin according to claim 6, characterized in that: the second pushing mechanism comprises a sliding rod fixedly connected to the lower side wall of the piston, the lower end of the sliding rod penetrates through the bottom of the working pipe and is fixed to the upper side wall of the movable frame, a compression spring is sleeved on the side wall of the sliding rod, and the piston is connected with the bottom of the working pipe through the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221827237.3U CN218295783U (en) | 2022-07-16 | 2022-07-16 | Boiler stokehold feed bin feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221827237.3U CN218295783U (en) | 2022-07-16 | 2022-07-16 | Boiler stokehold feed bin feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218295783U true CN218295783U (en) | 2023-01-13 |
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ID=84789785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221827237.3U Active CN218295783U (en) | 2022-07-16 | 2022-07-16 | Boiler stokehold feed bin feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218295783U (en) |
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2022
- 2022-07-16 CN CN202221827237.3U patent/CN218295783U/en active Active
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