CN213983544U

CN213983544U - Multi-channel through-flow pulverized coal burner

Info

Publication number: CN213983544U
Application number: CN202021873565.8U
Authority: CN
Inventors: 李秋婷; 李海涛
Original assignee: Shanxi Sanhesheng Intelligent Technology Co ltd
Current assignee: Shanxi Sanhesheng Intelligent Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-08-17
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a multichannel through-flow pulverized coal burner relates to combustor technical field, including the combustion chamber, the equal fixedly connected with fixed plate in both sides of combustion chamber, the flexible pneumatic cylinder of top fixedly connected with of fixed plate, the top fixedly connected with crossbeam of flexible pneumatic cylinder, the bottom middle part fixedly connected with motor storehouse of crossbeam, the inside fixedly connected with motor in motor storehouse, the bottom in motor storehouse is equipped with the telescopic link, the flexible piece of the equal fixedly connected with in both ends of fixed block, two fixedly connected with extension spring between the flexible piece, one side fixedly connected with brush of flexible piece. This multichannel through-flow pulverized coal burner sets up through the cooperation between flexible pneumatic cylinder, crossbeam, motor, telescopic link, fixed block, brush, combustion chamber and the deashing room, solves the problem that the device of being not convenient for cleared up incomplete impurity, has improved the life-span of device, has avoided the too much influence combustion efficiency of impurity accumulation, improves the practicality of device.

Description

Multi-channel through-flow pulverized coal burner

Technical Field

The utility model relates to a combustor field specifically is a multichannel through-flow pulverized coal combustor.

Background

The existing pulverized coal burner needs to mix pulverized coal and air and then send the pulverized coal and air into the combustion chamber for ignition and combustion, when the pulverized coal and the air are mixed unevenly, the pulverized coal waste or a large amount of nitrogen oxides can be generated, the cost can be increased no matter the pulverized coal waste or the nitrogen oxides are treated, impurities can be generated in the combustion chamber after the pulverized coal and the air are used for a long time, the combustion efficiency is influenced, and therefore the burner which can fully mix the pulverized coal and the air and can be cleaned is needed.

In chinese utility model patent application no: CN201920069431.1 discloses a pulverized coal burner, which comprises a central tube, wherein an inner ring tube is arranged on the periphery of the central tube, an outer ring tube is arranged on the periphery of the inner ring tube, a first sealing end cover is arranged at the right end of the central tube, an ignition device is arranged in the central tube and penetrates through the first sealing end cover, a swirl vane is arranged at the left end of the outer ring tube, and the leftmost end of the central tube is positioned on the right side of the leftmost end of the inner ring tube; air inlet pipes are arranged on the upper side and the lower side of the left end of the combustion chamber, and second swirl vanes are arranged at one ends of the air inlet pipes, which are close to the combustion chamber; and a baffle plate for controlling the air inlet speed is arranged at the air inlet of the inner ring pipe. This pulverized coal burner burns the buggy through control wind rate, but the combustion effect is not good, and the contact is not enough, is not convenient for clear up the combustion chamber.

Therefore, there is a need to provide a multi-channel through-flow pulverized coal burner that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multichannel through-flow pulverized coal burner to there is remaining impurity not convenient to clear up, the not good problem of combustion effect in solving the current pulverized coal burner device that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multi-channel through-flow pulverized coal burner comprises a combustion chamber, wherein both sides of the combustion chamber are fixedly connected with fixed plates, the top end of each fixed plate is fixedly connected with a telescopic hydraulic cylinder, the top end of each telescopic hydraulic cylinder is fixedly connected with a cross beam, the middle part of the bottom end of the cross beam is fixedly connected with a motor bin, the inside of each motor bin is fixedly connected with a motor, the bottom end of each motor bin is provided with a telescopic rod, the telescopic rods are fixedly connected with an output shaft of the motor, the other end of each telescopic rod is fixedly connected with a fixed block, both ends of each fixed block are fixedly connected with telescopic blocks, a tension spring is fixedly connected between the two telescopic blocks, one side of each telescopic block is fixedly connected with a hairbrush, the top end of one side of the combustion chamber is fixedly connected with an upper air inlet pipe, the bottom end of one side of the combustion chamber is fixedly connected with a lower pipe, and the top end of one side of the combustion chamber is fixedly connected with an outer pipe, the inner side of the outer pipe is provided with an inner pipe, the inner side of the inner pipe is provided with a central pipe, the inner side of the central pipe is provided with a pulverized coal channel, and the inner side of the combustion chamber is provided with a threaded spiral groove.

Preferably, the combustion chamber is in a circular truncated cone shape, the upper air inlet pipe is positioned on one side far away from the lower air inlet pipe, and an ignition device is fixedly connected to one side of the combustion chamber.

Preferably, the bottom end of one side of the combustion chamber is movably connected with a first baffle, and one side of the first baffle is fixedly connected with a first electromagnet.

Preferably, the bottom end of one side of the combustion chamber is movably connected with a second baffle, and one side of the second baffle is fixedly connected with a second electromagnet.

Preferably, the top end of the combustion chamber is movably connected with an opening and closing door, and the top end of the opening and closing door is fixedly connected with a handle.

Preferably, the fixed block is of a hollow structure, two ends of the fixed block are both in an open shape, the length of the fixed block is equal to the minimum diameter of the combustion chamber, and the length of the fixed block is equal to the total length of the two telescopic blocks.

Preferably, the bottom end of the combustion chamber is fixedly connected with an ash removal chamber, the opening and closing door is of a symmetrical structure, and the number of the handles is two.

Preferably, the pulverized coal channels are multiple, the outer sides of the pulverized coal channels are fixedly connected with buffer springs, and the buffer springs are multiple.

Compared with the prior art, the utility model provides a multichannel through-flow pulverized coal burner possesses following beneficial effect:

1. this multichannel through-flow pulverized coal burner sets up through the cooperation between flexible pneumatic cylinder, crossbeam, motor, telescopic link, fixed block, brush, combustion chamber and the deashing room, solves the problem that the device of being not convenient for cleared up incomplete impurity, has improved the life-span of device, has avoided the too much influence combustion efficiency of impurity accumulation, improves the practicality of device.

2. This multichannel through-flow pulverized coal burner sets up through the cooperation between inner tube, center tube, outer tube, buggy passageway and the buffer spring, has solved the single easy problem of blockking up of buggy passageway, has avoided single buggy passageway to block up and has made the device unable operation, has improved the practicality of device, further utilizes buffer spring to improve the shock attenuation effect that the buggy passageway received the impact.

3. This multichannel through-flow pulverized coal burner sets up through the cooperation between last air-supply line, lower air-supply line, combustion chamber and the screw thread spiral groove, has solved the not enough problem of pulverized coal burning contact, utilizes air-supply line and screw thread spiral groove to form the vortex wind channel, further improves pulverized coal burning's efficiency, has improved the work efficiency of device.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the combustion chamber structure of the present invention;

FIG. 4 is a schematic sectional view of the screw thread groove structure of the present invention;

fig. 5 is a schematic front sectional view of the outer tube structure of the present invention.

In the figure: 1. an extension spring; 2. a motor compartment; 3. a motor; 4. a telescopic rod; 5. a fixed block; 6. a telescopic block; 7. a cross beam; 8. a telescopic hydraulic cylinder; 9. a fixing plate; 10. an inner tube; 11. an outer tube; 12. a central tube; 13. a pulverized coal passage; 14. a combustion chamber; 15. an upper air inlet pipe; 16. a second baffle; 17. a second electromagnet; 18. a lower air inlet pipe; 19. a first baffle plate; 20. a first electromagnet; 21. an ash cleaning chamber; 22. screwing a groove; 23. a handle; 24. opening and closing the door; 25. a buffer spring; 26. a brush; 27. an ignition device.

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.

Referring to fig. 1-5, a multi-channel through-flow pulverized coal burner comprises a combustion chamber 14, the combustion chamber 14 is in a circular truncated cone shape, an upper air inlet pipe 15 is positioned at one side far away from a lower air inlet pipe 18, an ignition device 27 is fixedly connected to one side of the combustion chamber 14, a first baffle plate 19 is movably connected to the bottom end of one side of the combustion chamber 14, a first electromagnet 20 is fixedly connected to one side of the first baffle plate 19, an opening and closing door 24 is movably connected to the top end of the combustion chamber 14, a handle 23 is fixedly connected to the top end of the opening and closing door 24, an ash cleaning chamber 21 is fixedly connected to the bottom end of the combustion chamber 14, the opening and closing door 24 is in a symmetrical structure, two handles 23 are provided, fixing plates 9 are fixedly connected to both sides of the combustion chamber 14, a telescopic hydraulic cylinder 8 is fixedly connected to the top end of the fixing plate 9, a cross beam 7 is fixedly connected to the top end of the telescopic hydraulic cylinder 8, and a motor chamber 2 is fixedly connected to the bottom end middle part of the cross beam 7, the internal of the motor bin 2 is fixedly connected with a motor 3, the bottom end of the motor bin 2 is provided with a telescopic rod 4, the telescopic rod 4 is fixedly connected with an output shaft of the motor 3, the other end of the telescopic rod 4 is fixedly connected with a fixed block 5, the fixed block 5 is of a hollow structure, both ends of the fixed block 5 are in an open shape, the length of the fixed block 5 is equal to the minimum diameter of the combustion chamber 14, the length of the fixed block 5 is equal to the total length of two telescopic blocks 6, both ends of the fixed block 5 are fixedly connected with telescopic blocks 6, a tension spring 1 is fixedly connected between the two telescopic blocks 6, one side of each telescopic block 6 is fixedly connected with a brush 26, a crossbeam 7 is driven by a telescopic hydraulic cylinder 8 to lift and adjust the height, symmetrical opening and closing doors 24 are pulled open by a handle 23, then the telescopic rod 4 and the fixed block 5 are driven by the motor 3 to rotate, the telescopic rod 4 enables the fixed block 5 to lift in the combustion chamber 14, and continuously rotate in the combustion chamber 14 through the telescopic blocks 6 and the brush 26, the brush 26 can be fully contacted and cleaned with the thread spiral groove 22, the telescopic block 6 can be compressed and restored by utilizing the telescopic block 6 and the extension spring 1, the telescopic block 6 is continuously attached to the combustion chamber 14, then the first electromagnet 20 and the second electromagnet 17 are opened to enable impurities to fall into the ash cleaning chamber 21 when the first baffle 19 and the second baffle 16 are opened, the problem that the device is inconvenient to clean residual impurities is solved, the service life of the device is prolonged, the phenomenon that the combustion efficiency is influenced by excessive impurity accumulation is avoided, the practicability of the device is improved, the top end of one side of the combustion chamber 14 is fixedly connected with the upper air inlet pipe 15, the bottom end of one side of the combustion chamber 14 is fixedly connected with the lower air inlet pipe 18, the top end of one side of the combustion chamber 14 is fixedly connected with the outer pipe 11, the inner pipe 10 is arranged on the inner side of the outer pipe 11, the central pipe 12 is arranged on the inner side of the inner pipe 10, the coal powder channel 13 is arranged on the inner side of the central pipe 12, and a plurality of coal powder channels 13 are arranged, the buffer springs 25 are fixedly connected to the outer sides of the coal powder channels 13, a plurality of buffer springs 25 are provided, coal powder enters the combustion chamber 14 through the coal powder channels 13, impact can be generated when the coal powder channels 13 are transported, impact and vibration between the coal powder channels 13 are protected through the buffer springs 25, the output quantity of the coal powder is increased when the coal powder channels 13 are used simultaneously, and single blockage does not affect work, so that the problem that the coal powder channels 13 are single and easy to block is solved, the situation that the single coal powder channel 13 blocks to enable the device to be incapable of running is avoided, the practicability of the device is improved, the shock absorption effect of impact on the coal powder channels 13 is further improved through the buffer springs 25, the threaded spiral grooves 22 are formed in the inner side of the combustion chamber 14, air flow circles round through the upper air inlet pipe 15 and the lower air inlet pipe 18, and the convoluted air flow forms vortex from top to bottom through the threaded spiral grooves 22, the coal powder and the air are continuously stirred and fully contacted, the problem that the coal powder is not fully contacted during combustion is solved, the air inlet pipe and the thread spiral groove 22 are utilized to form a vortex air duct, the coal powder combustion efficiency is further improved, and the working efficiency of the device is improved.

When the coal dust collector works, coal dust enters the combustion chamber 14 through the coal dust channel 13, impact can be generated when the coal dust channel 13 is transported, impact and vibration between the coal dust channels 13 are protected through the buffer spring 25, air flow continuously circles round through the upper air inlet pipe 15 and the lower air inlet pipe 18, the convoluted air flow forms top-to-bottom vortex by the thread spiral groove 22, the coal dust and air are continuously stirred and fully contacted, the cross beam 7 is driven by the telescopic hydraulic cylinder 8 to lift and adjust the height, the symmetrical opening and closing doors 24 are pulled open by the handle 23, then the telescopic rod 4 and the fixed block 5 are driven by the motor 3 to rotate, the fixed block 5 is lifted and lowered in the combustion chamber 14 by the telescopic block 4, the brush 26 can be fully contacted and cleaned with the thread spiral groove 22 by the telescopic block 6 and the extension spring 1, and the telescopic block 6 can be compressed and restored, the telescopic block 6 is continuously attached to the combustion chamber 14, and then the first electromagnet 20 and the second electromagnet 17 are opened, so that the impurities fall into the ash cleaning chamber 21 when the first baffle plate 19 and the second baffle plate 16 are opened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-channel through-flow pulverized coal burner comprising a combustion chamber (14), characterized in that: the combustion chamber is characterized in that fixed plates (9) are fixedly connected to two sides of the combustion chamber (14), a telescopic hydraulic cylinder (8) is fixedly connected to the top end of each fixed plate (9), a cross beam (7) is fixedly connected to the top end of each telescopic hydraulic cylinder (8), a motor bin (2) is fixedly connected to the middle of the bottom end of the cross beam (7), a motor (3) is fixedly connected to the inner portion of the motor bin (2), a telescopic rod (4) is arranged at the bottom end of the motor bin (2), the telescopic rod (4) is fixedly connected with an output shaft of the motor (3), a fixed block (5) is fixedly connected to the other end of the telescopic rod (4), telescopic blocks (6) are fixedly connected to two ends of the fixed block (5), a tension spring (1) is fixedly connected between the two telescopic blocks (6), and a brush (26) is fixedly connected to one side of each telescopic block (6), air inlet pipe (15) on one side top fixedly connected with of combustion chamber (14), air-supply line (18) under one side bottom fixedly connected with of combustion chamber (14), one side top fixedly connected with outer tube (11) of combustion chamber (14), the inboard of outer tube (11) is equipped with inner tube (10), the inboard of inner tube (10) is equipped with center tube (12), the inboard of center tube (12) is equipped with buggy passageway (13), screw thread spiral groove (22) have been seted up to the inboard of combustion chamber (14).

2. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the combustion chamber (14) is in a circular truncated cone shape, the upper air inlet pipe (15) is located on one side far away from the lower air inlet pipe (18), and an ignition device (27) is fixedly connected to one side of the combustion chamber (14).

3. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the bottom end of one side of the combustion chamber (14) is movably connected with a first baffle (19), and one side of the first baffle (19) is fixedly connected with a first electromagnet (20).

4. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the bottom end of one side of the combustion chamber (14) is movably connected with a second baffle (16), and one side of the second baffle (16) is fixedly connected with a second electromagnet (17).

5. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the top end of the combustion chamber (14) is movably connected with an opening and closing door (24), and the top end of the opening and closing door (24) is fixedly connected with a handle (23).

6. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the fixed block (5) is of a hollow structure, the two ends of the fixed block (5) are both in an open shape, the length of the fixed block (5) is equal to the minimum diameter of the combustion chamber (14), and the length of the fixed block (5) is equal to the total length of the two telescopic blocks (6).

7. A multi-channel through-flow pulverized coal burner as claimed in claim 5, characterized in that: the bottom end of the combustion chamber (14) is fixedly connected with an ash removal chamber (21), the opening and closing door (24) is of a symmetrical structure, and the number of the handles (23) is two.

8. A multi-channel through-flow pulverized coal burner as claimed in claim 1, characterized in that: the pulverized coal channel (13) is provided with a plurality of pulverized coal channels (13), the outer sides of the pulverized coal channels (13) are fixedly connected with buffer springs (25), and the buffer springs (25) are provided with a plurality of pulverized coal channels.