CN214359154U

CN214359154U - Conveying equipment with dust suppression structure based on thermal power plant powder process

Info

Publication number: CN214359154U
Application number: CN202021682695.3U
Authority: CN
Inventors: 刘爱君; 曹军; 寇媛媛; 孙德良
Original assignee: Xian Xire Control Technology Co Ltd
Current assignee: Xian Xire Control Technology Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-10-08
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to the technical field of pulverized coal conveying, and discloses a conveying device with a dust suppression structure based on powder making of a thermal power plant, which comprises a conveying box cover, wherein the bottom of the inner wall of the conveying box cover is fixedly connected with a conveying plate, the top end of the conveying plate is provided with a plurality of mounting grooves, rotating rods are embedded in the mounting grooves, and one side of the inside of the conveying box cover is provided with a pressing plate. So that the pulverized coal is relatively flat and fixed.

Description

Conveying equipment with dust suppression structure based on thermal power plant powder process

Technical Field

The utility model relates to a buggy carries technical field, especially relates to a based on thermal power plant's powder process is with conveying equipment who has a dust suppression structure.

Background

A thermal power plant, referred to as a thermal power plant for short, is a plant for producing electric energy by using combustible materials (such as coal) as fuel, and the basic production process is as follows: the fuel heats water to generate steam when burning, the chemical energy of the fuel is converted into heat energy, the steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives the generator to rotate, the mechanical energy is converted into electric energy, and a large amount of pulverized coal is needed in the thermal power plant during production, so that the pulverized coal conveying equipment is one of common equipment in the thermal power plant.

The prior patent (publication) No. CN201820419109.2 discloses a pulverized coal conveying device, which is characterized in that a plurality of large exhaust nozzles are arranged, a plurality of small exhaust nozzles are arranged on a bottom baffle, the large exhaust nozzles are connected with a nitrogen tank through a first gas pipeline, and the small exhaust nozzles are connected with the nitrogen tank through a second gas pipeline, so that pulverized coal is prevented from being accumulated and adhered to the bottom of the conveying pipeline, and stable conveying of the pulverized coal is ensured;

the prior patent (publication) No. CN201320529437.5 discloses a pulverized coal conveying device, which is characterized in that a movable pulverized coal compression tank, a compression tank sealing cover, a hydraulic moving device and a pressurizing device are arranged, pulverized coal is conveyed to a combustion area through a pipeline in a pneumatic mode, the labor intensity is reduced, the environment is protected, and safety and reliability are realized;

the above patents still suffer from the following drawbacks:

firstly, conveying the coal powder by adopting the power of air blowing, so that the coal powder is unstable during conveying, and when unloading, dust and fine coal powder in the coal powder can fly violently, thereby increasing the pollution to an operation workshop;

a large number of gas cylinders exist in the second and above conveying equipment, the gas pressure needs to be strictly controlled, personnel need to supervise the operation process constantly, the device structure is complex, and the later maintenance difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the device structure is complicated, the later maintenance degree of difficulty is big and can produce a large amount of dusts and buggy in the transportation process and float in the workshop, and the conveying equipment who has the dust suppression structure based on the powder process of thermal power plant who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a conveying equipment with press down dirt structure based on thermal power plant powder process, includes the transport case lid, the bottom fixedly connected with delivery board of transport case lid inner wall, the top of delivery board is dug and is had a plurality of mounting grooves, and is a plurality of the bull stick is all inlayed to the inside of mounting groove, the inside one side of transport case lid is equipped with the clamp plate, the top of clamp plate is equipped with first transmission board, one side on transport case lid top is equipped with the motor, the output transmission of motor is connected with the eccentric wheel, the one end fixedly connected with discharge tube of transport case lid, the first annular fixed plate of bottom fixedly connected with of discharge tube, the bottom of first annular fixed plate is equipped with the second annular fixed plate, two flexible filter screen covers of fixedly connected with between first annular fixed plate bottom and the second annular fixed plate top.

Preferably, a plurality of rotating shafts are fixedly arranged at the centers of the rotating rods in a penetrating manner, and the two ends of each rotating shaft are respectively rotatably connected with the inner walls of the two sides of the plurality of mounting grooves.

Preferably, one side wall of the eccentric wheel is rotatably connected with a second transmission plate, one end of the second transmission plate is rotatably connected with one end of the first transmission plate, and the middle part of the first transmission plate is movably connected with one side of the top end of the conveying box cover in an inserting mode.

Preferably, the both sides of motor bottom are equal fixedly connected with support, two the bottom of support all with one side fixed connection on transport case lid top, motor and power electric connection.

Preferably, the top of discharge tube is fixed to be rabbeted and connected with the water storage box, the bottom fixed mounting of water storage box has the shower nozzle, the top of water storage box is fixed to be rabbeted and connected with the inlet tube.

Preferably, the two sides of the top end of the first annular fixing plate are fixedly connected with mounting seats, the middle parts of the two mounting seats are fixedly provided with rotating wheels, and one side walls of the two mounting seats are connected with locking pins in an inserting mode.

Preferably, the two sides of the top end of the second annular fixing plate are fixedly connected with fixing rings, the fixing rings are fixedly wound with pull ropes, and the tops of the pull ropes are fixedly wound with the two rotating wheels respectively.

Compared with the prior art, the utility model provides a based on thermal power plant's powder process is with conveying equipment who has a dust suppression structure possesses following beneficial effect:

1. this conveying equipment based on powder process of thermal power plant has dust suppression structure, delivery board through being equipped with the slope, and a plurality of bull sticks of installation on the delivery board, can rely on gravity to make the buggy smoothly along the delivery board landing, the pivoted bull stick can reduce frictional force, it is more smooth and easy to make the buggy slide, the cooperation motor, first driving plate, second driving plate and clamp plate, can just drop into the delivery board when the buggy on, the output of motor passes through the eccentric wheel, first driving plate and second driving plate take continuous lift of clamp plate, the clamp plate that goes up and down like this can press the buggy that gets into, make the buggy smooth and fixed relatively, greatly reduced raises and the probability that splashes in the transportation, play the effect of dust suppression.

2. The conveying equipment with the dust suppression structure for the powder process based on the thermal power plant is provided with a water storage box and a spray head, the first annular fixed plate, the second annular fixed plate and the two flexible filter screen covers can be arranged according to the height of the discharging platform, the two pull ropes are wound or unwound, the rotating wheel is rotated to wind the ropes, the rotating wheel is rotated reversely to unwind the ropes, the ropes are fixed by the lock pin, therefore, the length of the flexible filter screen cover can be matched with the coverage of the platform, so that the distance difference between the flexible filter screen cover and the platform is smaller during discharging, and the pulverized coal falling from the discharging pipe, can unload the platform again under the buffering of flexible screen panel, filtration, the raise dust that the in-process produced accompanies the air current and attaches to flexible screen panel, greatly reduced the dust of unloading production.

The part which is not involved in the device is the same as the prior art or can be realized by adopting the prior art, when the coal dust is transported, the utility model cooperates with a plurality of rotating rods by means of gravity to ensure the smooth transportation, and when the coal dust is put into transportation, the coal dust is pressed to ensure the coal dust to be kept relatively flat and stable, thereby greatly reducing the condition of large amplitude fluctuation in transportation, effectively suppressing dust, and when the coal dust is about to be unloaded, carrying out a small amount of spray treatment on the coal dust, further leading the dust and the fine coal dust in the coal dust to be settled, reducing the probability of subsequent flying, finally, when the coal dust is unloaded, adjusting the heights of two flexible filter screen covers according to the heights of different unloading platforms, leading the difference between the coal dust and the platform to be smaller when the coal dust is unloaded, thus the coal dust can be unloaded onto the platform after being buffered by the flexible filter screen covers, the flying dust generated in the process is attached to the flexible filter screen covers along with air flow, greatly reduces the dust generated by discharging.

Drawings

Fig. 1 is a schematic structural view of a conveying device with a dust suppression structure for powder making in a thermal power plant according to the present invention;

fig. 2 is a cross-sectional view of a conveying device with a dust suppression structure for powder manufacturing based on a thermal power plant, which is provided by the utility model;

fig. 3 is a schematic structural diagram at a in fig. 2.

In the figure: 1. a conveyor cover; 2. a motor; 3. an eccentric wheel; 4. a first drive plate; 5. a water storage box; 6. a water inlet pipe; 7. a discharge pipe; 8. a first annular fixed plate; 9. a rotating wheel; 10. pulling a rope; 11. a fixing ring; 12. a flexible screen cover; 13. a second annular fixing plate; 14. a conveying plate; 15. a rotating rod; 16. pressing a plate; 17. a spray head; 18. a mounting seat; 19. and (4) locking pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, the conveying equipment with a dust suppression structure based on powder making in a thermal power plant comprises a conveying box cover 1, a conveying plate 14 is fixedly connected to the bottom of the inner wall of the conveying box cover 1, a plurality of mounting grooves are drilled in the top end of the conveying plate 14, a rotating rod 15 is embedded in each of the mounting grooves, a pressing plate 16 is arranged on one side of the inside of the conveying box cover 1, a first transmission plate 4 is arranged on the top end of the pressing plate 16, a motor 2 is arranged on one side of the top end of the conveying box cover 1, an eccentric wheel 3 is connected to the output end of the motor 2 in a transmission manner, a discharge pipe 7 is fixedly connected to one end of the conveying box cover 1, a first annular fixing plate 8 is fixedly connected to the bottom end of the discharge pipe 7, a second annular fixing plate 13 is arranged at the bottom of the first annular fixing plate 8, two flexible filter screen covers 12 are fixedly connected between the bottom end of the first annular fixing plate 8 and the top end of the second annular fixing plate 13, and the two flexible filter screen covers 12 are sleeved together, the double-layer structure is formed, so that the dust resistance effect is better.

Example 2

On embodiment 1's basis, the center department of a plurality of bull sticks 15 all is fixed to run through there is the pivot, the both ends of a plurality of pivots are rotated with the both sides inner wall of a plurality of mounting grooves respectively and are connected, a lateral wall of eccentric wheel 3 rotates and is connected with the second driving plate, the one end of second driving plate is rotated with the one end of first driving plate 4 and is connected, the middle part of first driving plate 4 and the one side swing joint on transport case lid 1 top alternate, the rotation of eccentric wheel 3, can take the lift of pressure plate 16 through first driving plate 4 and second driving plate, thereby press the buggy that is removing the transport.

Example 3

On embodiment 1's basis, the equal fixedly connected with support in both sides of motor 2 bottom, the bottom of two supports all with one side fixed connection on transport case lid 1 top, motor 2 and power electric connection, the fixed scarf joint in top of discharge tube 7 has water storage box 5, the bottom fixed mounting of water storage box 5 has shower nozzle 17, the fixed scarf joint in top of water storage box 5 has inlet tube 6, here shower nozzle 17 is atomizer 17, can be to buggy blowout temperature, inlet tube 6 external has hydraulic water.

Example 4

On embodiment 1's basis, the equal fixedly connected with mount pad 18 in both sides on 8 tops of first annular fixed plate, the equal fixed mounting in middle part of two mount pads 18 has runner 9, a lateral wall of two mount pads 18 all alternates and is connected with lockpin 19, lockpin 19 inserts between mount pad 18 and the runner 9, practice is to the locking of runner 9, the equal fixedly connected with in both sides on 13 tops of second annular fixed plate fixes solid fixed ring 11, it has stay cord 10 all to fix the winding on two solid fixed ring 11, the top of two stay cords 10 is connected with two runner 9 fixed winding respectively.

Example 5

As shown in fig. 1-3, the conveying equipment with a dust suppression structure for powder making in a thermal power plant comprises a conveying box cover 1, wherein a conveying plate 14 is fixedly connected to the bottom of the inner wall of the conveying box cover 1, a plurality of mounting grooves are formed in the top end of the conveying plate 14, rotating rods 15 are embedded in the mounting grooves, a pressing plate 16 is arranged on one side of the inside of the conveying box cover 1, a first transmission plate 4 is arranged at the top end of the pressing plate 16, a motor 2 is arranged on one side of the top end of the conveying box cover 1, an eccentric wheel 3 is connected to the output end of the motor 2 in a transmission manner, a discharge pipe 7 is fixedly connected to one end of the conveying box cover 1, a first annular fixing plate 8 is fixedly connected to the bottom end of the discharge pipe 7, a second annular fixing plate 13 is arranged at the bottom end of the first annular fixing plate 8, and two flexible filter screen covers 12 are fixedly connected between the bottom end of the first annular fixing plate 8 and the top end of the second annular fixing plate 13;

the center of each rotating rod 15 is fixedly provided with a rotating shaft in a penetrating way, the two ends of each rotating shaft are respectively connected with the inner walls of the two sides of each mounting groove in a rotating way, one side wall of the eccentric wheel 3 is connected with a second transmission plate in a rotating way, one end of the second transmission plate is connected with one end of the first transmission plate 4 in a rotating way, the middle part of the first transmission plate 4 is movably connected with one side of the top end of the conveying box cover 1 in a penetrating way, the two sides of the bottom end of the motor 2 are fixedly connected with brackets, the bottom ends of the two brackets are fixedly connected with one side of the top end of the conveying box cover 1, the motor 2 is electrically connected with a power supply, the top end of the discharge pipe 7 is fixedly embedded with the water storage box 5, the bottom end of the water storage box 5 is fixedly provided with a spray head 17, the top end of the water storage box 5 is fixedly embedded with a water inlet pipe 6, the two sides of the top end of the first annular fixing plate 8 are fixedly connected with mounting seats 18, the middle parts of the two mounting seats 18 are fixedly provided with rotating wheels 9, a lockpin 19 is inserted and connected to one side wall of two mount pads 18, and the solid fixed ring 11 of the equal fixedly connected with in both sides on second annular fixed plate 13 top, and it has stay cord 10 all to fix the winding on two solid fixed ring 11, and the top of two stay cords 10 is connected with two runner 9 fixed winding respectively.

The coal dust is rolled and conveyed on the plurality of rotating rods 15 of the conveying plate 14, before conveying, the pressing plate 16 compacts the coal dust, the stability is enhanced, spray treatment is carried out when unloading is carried out, dust is settled, buffering and filtering are carried out through the flexible filter screen cover 12 when unloading is carried out, the condition that the dust flies up is greatly reduced when the coal dust is unloaded, compared with the coal dust conveying equipment disclosed by CN201820419109.2 and the coal dust conveying equipment disclosed by the patent CN201320529437.5, the utility model has the advantages that when the coal dust is conveyed, the coal dust is smoothly conveyed by matching the plurality of rotating rods 15 with the help of gravity, the coal dust is pressed when the coal dust is put into conveying, the coal dust is kept relatively flat and stable, the condition that the coal dust fluctuates greatly in the conveying is greatly reduced, dust is effectively suppressed, when the coal dust is sprayed by a small amount, the dust and fine coal dust in the coal dust are further settled, and the probability of flying up in follow-up is reduced, finally, when unloading, the heights of the two flexible filter screen covers 12 can be adjusted according to the heights of different unloading platforms, so that the distance difference between the unloading and the platform is smaller, the pulverized coal can be unloaded onto the platform after being buffered and filtered by the flexible filter screen covers 12, the raised dust generated in the process is attached to the flexible filter screen covers 12 along with the air flow, and the dust generated in the unloading process is greatly reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a conveying equipment with press down dirt structure based on thermal power plant powder process, includes transport case lid (1), its characterized in that: the bottom of the inner wall of the conveying box cover (1) is fixedly connected with a conveying plate (14), a plurality of mounting grooves are chiseled at the top end of the conveying plate (14), rotating rods (15) are embedded in the mounting grooves, a pressing plate (16) is arranged on one side inside the conveying box cover (1), a first transmission plate (4) is arranged at the top end of the pressing plate (16), a motor (2) is arranged on one side of the top end of the conveying box cover (1), the output end of the motor (2) is connected with an eccentric wheel (3) in a transmission way, one end of the conveying box cover (1) is fixedly connected with a discharge pipe (7), the bottom end of the discharge pipe (7) is fixedly connected with a first annular fixing plate (8), a second annular fixing plate (13) is arranged at the bottom of the first annular fixing plate (8), two flexible filter screen covers (12) are fixedly connected between the bottom end of the first annular fixing plate (8) and the top end of the second annular fixing plate (13).

2. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant as claimed in claim 1, wherein a rotating shaft is fixedly penetrated through the centers of the rotating rods (15), and two ends of the rotating shaft are respectively and rotatably connected with the inner walls of two sides of the mounting grooves.

3. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant is characterized in that a second transmission plate is rotatably connected to one side wall of the eccentric wheel (3), one end of the second transmission plate is rotatably connected with one end of the first transmission plate (4), and the middle of the first transmission plate (4) is movably connected with one side of the top end of the conveying box cover (1) in an inserting mode.

4. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant is characterized in that two sides of the bottom end of the motor (2) are fixedly connected with brackets, the bottom ends of the two brackets are fixedly connected with one side of the top end of the conveying box cover (1), and the motor (2) is electrically connected with a power supply.

5. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant is characterized in that a water storage box (5) is fixedly embedded at the top end of the discharge pipe (7), a spray head (17) is fixedly installed at the bottom end of the water storage box (5), and a water inlet pipe (6) is fixedly embedded at the top end of the water storage box (5).

6. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant as claimed in claim 1, wherein mounting seats (18) are fixedly connected to two sides of the top end of the first annular fixing plate (8), a rotating wheel (9) is fixedly mounted in the middle of each of the two mounting seats (18), and a locking pin (19) is penetratingly connected to one side wall of each of the two mounting seats (18).

7. The conveying equipment with the dust suppression structure for the pulverized coal in the thermal power plant is characterized in that fixing rings (11) are fixedly connected to two sides of the top end of the second annular fixing plate (13), pull ropes (10) are fixedly wound on the two fixing rings (11), and the tops of the two pull ropes (10) are respectively and fixedly wound on the two rotating wheels (9).

8. The conveying equipment with the dust suppression structure for the pulverized coal manufacturing of the thermal power plant as claimed in claim 1, wherein: rotating shafts are fixedly penetrated through the centers of the rotating rods (15), and two ends of the rotating shafts are respectively and rotatably connected with the inner walls of two sides of the mounting grooves;

one side wall of the eccentric wheel (3) is rotatably connected with a second transmission plate, one end of the second transmission plate is rotatably connected with one end of a first transmission plate (4), and the middle part of the first transmission plate (4) is movably inserted and connected with one side of the top end of the conveying box cover (1);

the two sides of the bottom end of the motor (2) are fixedly connected with brackets, the bottom ends of the two brackets are fixedly connected with one side of the top end of the conveying box cover (1), and the motor (2) is electrically connected with a power supply;

the top end of the discharge pipe (7) is fixedly embedded with a water storage box (5), the bottom end of the water storage box (5) is fixedly provided with a spray head (17), and the top end of the water storage box (5) is fixedly embedded with a water inlet pipe (6);

mounting seats (18) are fixedly connected to two sides of the top end of the first annular fixing plate (8), rotating wheels (9) are fixedly mounted in the middle of the two mounting seats (18), and locking pins (19) are penetratingly connected to one side walls of the two mounting seats (18);

the two sides of the top end of the second annular fixing plate (13) are fixedly connected with fixing rings (11), two pull ropes (10) are fixedly wound on the fixing rings (11), and the tops of the pull ropes (10) are fixedly wound on the two rotating wheels (9) respectively.