阅读说明：本技术 一种脉冲放大式滤芯清灰装置 (Pulse amplification type filter element ash removal device ) 是由 宋竹海 李志� 罗德芬 于 2021-09-17 设计创作，主要内容包括：本发明提供一种脉冲放大式滤芯清灰装置,包括：滤筒,上端面设置有隔仓板；压缩空气管,一端与压缩空气源连接,另一端位于所述滤筒上方；脉冲放大装置,与所述压缩空气管连通,所述脉冲放大装置位于所述滤筒上方,且所述脉冲放大装置与隔仓板之间设有进气缺口。在高速螺旋气流作用下,滤芯内腔迅速膨胀,其清灰效果远高于其它类型的清灰方式,解决了除尘器在工作状态下脉冲清灰效果不佳的问题,提高滤芯清洁度,提高除尘效率。(The invention provides a pulse amplification type filter element ash removal device, which comprises: the upper end surface of the filter cylinder is provided with a partition plate; one end of the compressed air pipe is connected with a compressed air source, and the other end of the compressed air pipe is positioned above the filter cartridge; the pulse amplification device is communicated with the compressed air pipe and is positioned above the filter cylinder, and an air inlet notch is formed between the pulse amplification device and the partition plate. Under the effect of high-speed spiral air current, the filter core inner chamber expands rapidly, and its deashing effect is far higher than the deashing mode of other types, has solved the not good problem of pulse deashing effect of dust remover under operating condition, improves the filter core cleanliness, improves dust collection efficiency.)

1. The utility model provides a pulse amplification formula filter core ash removal device which characterized in that includes:

the upper end surface of the filter cylinder (1) is provided with a partition board (11);

one end of the compressed air pipe (2) is connected with a compressed air source, and the other end of the compressed air pipe is positioned above the filter cartridge (1);

the pulse amplification device (3) is communicated with the compressed air pipe (2), the pulse amplification device (3) is located above the filter cartridge (1), and an air inlet notch (31) is formed between the pulse amplification device (3) and the partition board (11).

2. The pulse amplification type filter element ash removal device according to claim 1, wherein: the pulse amplification device (3) is divided into a spiral generation section (32) and a pulse amplification section (33) from top to bottom;

the spiral generating section (32) is of a tubular structure, and the inner wall of the spiral generating section is provided with a spiral groove;

the pulse amplification section (33) is horn-shaped, one end with a small diameter is connected with the spiral generation section (32), and the other end faces the filter cartridge (1).

3. The pulse amplification type filter element ash removal device according to claim 1, wherein: be provided with height adjustment device (4) between compressed air pipe (2) and strain a section of thick bamboo (1), height adjustment device (4) upper end with compressed air pipe (2) rigid coupling, the lower extreme with strain a section of thick bamboo (1) rigid coupling, height adjustment device (4) are fixed to be established the periphery of pulse amplification device (3).

4. The pulse amplification type filter element ash removal device according to claim 3, wherein: the height adjusting device (4) comprises a lifting mechanism (41) and a buffer compensation mechanism (42), the lifting mechanism (41) is used for adjusting the distance between the pulse amplifying device (3) and the filter cartridge (1), and the buffer compensation mechanism (42) is located above the lifting mechanism (41) and used for compensating height difference generated by lifting of the pulse amplifying device (3).

5. The pulse amplification type filter element ash removal device according to claim 4, wherein the lifting mechanism (41) comprises:

the bottom plate (411) is fixed on the upper surface of the partition board (11) through screws;

the lifting support plate (412) is fixedly arranged above the bottom plate (411) through supporting legs;

the first screw (413) is rotatably arranged above the lifting support plate (412), the lower end of the first screw (413) is connected with a first driving motor (414), and the upper end of the first screw is in threaded fit with a lifting sleeve (415);

the lifting sleeve (415) is of a tubular structure, and the inner wall of the lifting sleeve is provided with threads matched with the first screw (413).

6. The pulse amplification type filter element ash removal device as claimed in claim 5, wherein the buffer compensation mechanism (42) comprises:

the transverse plate (421) is horizontally and transversely arranged at the upper end of the lifting sleeve (415), the transverse plate (421) is fixedly connected with the pulse amplification device (3), and an opening allowing the pulse amplification device (3) to penetrate through is formed in the middle of the transverse plate (421);

a first gear (422) is rotationally arranged in the opening, and the first gear (422) is driven by a second driving motor (423) to rotate around the central axis of the transverse plate (421);

the second gear (424) is circumferentially distributed on the periphery of the first gear (422), and the second gear (424) is in meshed transmission connection with the first gear (422);

the second gear (424) is rotatably arranged on the transverse plate (421), a second threaded rod (425) is fixedly arranged at the axis of the second gear (424), and the second threaded rod (425) is matched with the second gear thread (424);

the upper end of the second threaded rod (425) is rotatably provided with a top plate (426), and the top plate (426) is fixedly connected with the compressed air pipe (2);

the compensation lifting plate (429) is positioned between the top plate (426) and the transverse plate (421), and the compensation lifting plate (429) is in threaded connection with the second threaded rod (425);

the pulse amplification device (3) is communicated with the compressed air pipe (2) through a telescopic air pipe (427);

a buffer component (428) is arranged between the transverse plate (421) and the top plate (426).

7. The pulse amplification type filter element ash removal device according to claim 6, wherein: the cushioning assembly (428) includes:

the ear plates (4281) are arranged on the upper end surface of the compensation lifting plate (429) and the lower end surface of the top plate (426) in a one-to-one correspondence manner;

the first connecting plate (4282) is hinged on an ear plate (4281) on the lower end surface of the top plate (426);

the second connecting plate (4283) is hinged to an ear plate (4281) on the upper end face of the compensation lifting plate (429), and the first connecting plate (4282) and the second connecting plate (4283) are hinged to each other and are of a V-shaped structure;

the first connecting plate (4282) and the second connecting plate (4283) are both provided with limiting connecting columns (4284), a spring (4285) is arranged between the two limiting connecting columns (4284), and the spring (4285) is in a compressed state.

Technical Field

The invention relates to the technical field of dust removing equipment, in particular to a pulse amplification type filter element ash removal device.

Background

The filter cartridge dust remover is high-efficiency dust removing equipment widely applied to the fields of mines, tunnel driving and chemical engineering, and can intercept dust in dust-containing gas through the interception function of the filter cartridge, so that the gas passing through the filter cartridge is purified, and a clean working environment is provided for operators. The ash cleaning and discharging system is a main component of the filter cartridge dust remover and directly influences the service performance of the dust remover.

The ash cleaning and discharging system utilizes high-pressure air filled into the filter cylinder for cleaning ash, however, the existing ash cleaning and discharging system cannot rapidly expand the filled high-pressure air to the inner wall of the filter cylinder, so that the ash cleaning effect is poor, and the ash cannot be effectively cleaned.

Disclosure of Invention

The invention aims to provide a pulse amplification type filter element ash removal device to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a pulse amplification type filter element ash removal device comprises:

the upper end surface of the filter cylinder is provided with a partition plate;

one end of the compressed air pipe is connected with a compressed air source, and the other end of the compressed air pipe is positioned above the filter cartridge;

the pulse amplification device is communicated with the compressed air pipe and is positioned above the filter cylinder, and an air inlet notch is formed between the pulse amplification device and the partition plate.

As an improvement of the invention, the pulse amplification device is divided into a spiral generation section and a pulse amplification section from top to bottom;

the spiral generating section is of a tubular structure, and the inner wall of the spiral generating section is provided with a spiral groove;

the pulse amplification section is horn-shaped, one end with a small diameter is connected with the spiral generation section, and the other end faces the filter cylinder.

As an improvement of the present invention, a height adjusting device is disposed between the compressed air pipe and the filter cartridge, an upper end of the height adjusting device is fixedly connected to the compressed air pipe, a lower end of the height adjusting device is fixedly connected to the filter cartridge, and the height adjusting device is fixedly sleeved on an outer periphery of the pulse amplification device.

As an improvement of the present invention, the height adjusting device includes a lifting mechanism for adjusting a distance between the pulse amplification device and the filter cartridge, and a buffer compensation mechanism located above the lifting mechanism for compensating a height difference generated by lifting of the pulse amplification device.

As an improvement of the present invention, the lifting mechanism includes:

the bottom plate is fixed on the upper surface of the partition plate through screws;

the lifting support plate is fixedly arranged above the bottom plate through support legs;

the first screw is rotatably arranged above the lifting support plate, the lower end of the first screw is connected with a first driving motor, and the upper end of the first screw is in threaded fit with a lifting sleeve;

the lifting sleeve is of a tubular structure, and the inner wall of the lifting sleeve is provided with threads matched with the first screw rod.

As an improvement of the present invention, the cushioning compensation mechanism includes:

the transverse plate is horizontally and transversely arranged at the upper end of the lifting sleeve and is fixedly connected with the pulse amplification device, and an opening allowing the pulse amplification device to penetrate is formed in the middle of the transverse plate;

a first gear is rotationally arranged in the opening and driven by a second driving motor to rotate around the central axis of the transverse plate;

the second gears are circumferentially distributed on the periphery of the first gear and are in meshed transmission connection with the first gear;

the second gear is rotatably arranged on the transverse plate, a second threaded rod is fixedly arranged at the center of the second gear, and the second threaded rod is in threaded fit with the second gear;

the upper end of the second threaded rod is rotatably provided with a top plate, and the top plate is fixedly connected with a compressed air pipe;

the compensation lifting plate is positioned between the top plate and the transverse plate and is in threaded connection with the second threaded rod;

the pulse amplification device is communicated with the compressed air pipe through a telescopic air pipe;

and a buffer component is arranged between the transverse plate and the top plate.

As an improvement of the present invention, the buffer assembly includes:

the upper end surface of the compensation lifting plate and the lower end surface of the top plate are provided with lug plates which correspond one to one;

the first connecting plate is hinged on the lug plate on the lower end surface of the top plate;

the second connecting plate is hinged to the lug plate on the upper end face of the compensation lifting plate, and the first connecting plate and the second connecting plate are also hinged and are of a V-shaped structure;

the first connecting plate and the second connecting plate are both provided with limiting connecting columns, a spring is arranged between the two limiting connecting columns, and the spring is in a compressed state.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a pulse amplification device according to the present invention;

FIG. 3 is a schematic structural view of the present invention with a height adjustment device;

FIG. 4 is a schematic structural diagram of the height adjustment apparatus of the present invention;

FIG. 5 is a top view of the cross plate of the present invention;

FIG. 6 is a front cross-sectional view of the cross plate of the present invention;

FIG. 7 is a schematic view of a buffer assembly according to the present invention.

The components in the figure are:

1. a filter cartridge, 11, a partition panel,

2. a compressed air pipe is arranged in the air inlet pipe,

3. a pulse amplification device 31, an air inlet gap 32, a spiral generation section 33, a pulse amplification section,

4. a height adjusting device for adjusting the height of the air conditioner,

41. a lifting mechanism 411, a bottom plate 412, a lifting support plate 413, a first screw 414, a first driving motor 415, a lifting sleeve,

42. a buffer compensation mechanism 421, a transverse plate 422, a first gear 423, a second driving motor 424, a second gear 425, a second threaded rod 426, a top plate 427, a telescopic air pipe,

428. the buffer component 4281, the ear plate 4282, the first connecting plate 4283, the second connecting plate 4284, the limit connecting column 4285 and the spring

429. The lifting plate is compensated.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1, a pulse amplification type ash removing device for filter element includes:

the upper end surface of the filter cartridge 1 is provided with a partition board 11;

one end of the compressed air pipe 2 is connected with a compressed air source, and the other end of the compressed air pipe is positioned above the filter cartridge 1;

the pulse amplification device 3 is communicated with the compressed air pipe 2, the pulse amplification device 3 is positioned above the filter cartridge 1, and an air inlet gap 31 is arranged between the pulse amplification device 3 and the compartment partition 11.

The pulse amplification device 3 is divided into a spiral generation section 32 and a pulse amplification section 33 from top to bottom;

the spiral generating section 32 is of a tubular structure, and the inner wall of the spiral generating section is provided with a spiral groove;

the pulse amplification section 33 is horn-shaped, and one end of the pulse amplification section with a small diameter is connected to the spiral generation section 32, and the other end faces the filter cartridge 1.

The working principle and the beneficial effects of the technical scheme are as follows: when the filter element is cleaned, pulse high-speed air is blown reversely into the filter cylinder. In order to enable high-speed air to be diffused to all parts of the filter element, the invention adopts a pulse amplification device 3 to realize high-speed air diffusion. Which is mainly composed of a spiral generating section 32 and a pulse amplifying section 33. The high-speed air enters the spiral generating section 32 through the compressed air pipe 2, forms spiral air flow under the guiding action of the spiral groove, and is diffused through the pulse amplifying section 33, namely, the high-speed air flows are used for spiral movement in the spiral generating section 32, and meanwhile, the high-speed air directionally propagates and is released through the horn-shaped pulse amplifying section 33. A gap (air inlet gap 31) is arranged between the pulse amplification device 3 and the partition board 11, and a spiral supplementary air flow is formed to enter the filter element under the action of high-speed air flow (Venturi effect).

Under the effect of high-speed spiral air current, the filter core inner chamber expands rapidly, and its deashing effect is far higher than the deashing mode of other types, has solved the not good problem of pulse deashing effect of dust remover under operating condition, improves the filter core cleanliness, improves dust collection efficiency.

As an embodiment of the present invention, a height adjusting device 4 is disposed between the compressed air pipe 2 and the filter cartridge 1, an upper end of the height adjusting device 4 is fixedly connected to the compressed air pipe 2, a lower end of the height adjusting device 4 is fixedly connected to the filter cartridge 1, and the height adjusting device 4 is fixedly sleeved on an outer periphery of the pulse amplifying device 3.

The height adjusting device 4 comprises a lifting mechanism 41 and a buffer compensating mechanism 42, wherein the lifting mechanism 41 is used for adjusting the distance between the pulse amplifying device 3 and the filter cartridge 1, and the buffer compensating mechanism 42 is located above the lifting mechanism 41 and is used for compensating the height difference generated by the lifting of the pulse amplifying device 3.

The lifting mechanism 41 includes:

a bottom plate 411 fixed to the upper surface of the partition plate 11 by screws;

a lifting support plate 412 fixedly arranged above the bottom plate 411 through supporting legs;

the first screw 413 is rotatably arranged above the lifting support plate 412, the lower end of the first screw 413 is connected with a first driving motor 414, and the upper end of the first screw is in threaded fit with a lifting sleeve 415;

the lifting sleeve 415 is a tubular structure, and the inner wall of the lifting sleeve is provided with threads matched with the first screw 413.

The cushion compensation mechanism 42 includes:

a horizontal plate 421 horizontally and horizontally disposed at the upper end of the lifting sleeve 415, wherein the horizontal plate 421 is fixedly connected with the pulse amplification device 3, and an opening allowing the pulse amplification device 3 to pass through is formed in the middle of the horizontal plate 421;

a first gear 422 is rotatably arranged in the opening, and the first gear 422 is driven by a second driving motor 423 to rotate around the central axis of the transverse plate 421;

the second gear 424 is circumferentially distributed on the periphery of the first gear 422, and the second gear 424 is in meshed transmission connection with the first gear 422;

the second gear 424 is rotatably arranged on the transverse plate 421, a second threaded rod 425 is fixedly arranged at the axis of the second gear 424, and the second threaded rod 425 is matched with the second gear thread 424;

the upper end of the second threaded rod 425 is rotatably provided with a top plate 426, and the top plate 426 is fixedly connected with the compressed air pipe 2;

a compensation lifting plate 429 which is positioned between the top plate 426 and the transverse plate 421, wherein the compensation lifting plate 429 is in threaded connection with the second threaded rod 425;

the pulse amplification device 3 is communicated with the compressed air pipe 2 through a telescopic air pipe 427;

a buffer assembly 428 is disposed between the horizontal plate 421 and the top plate 426.

The buffer assembly 428 includes:

the ear plates 4281 are arranged on the upper end surface of the compensation lifting plate 429 and the lower end surface of the top plate 426 in a one-to-one correspondence manner;

a first connecting plate 4282 hinged to the ear plate 4281 on the lower end surface of the top plate 426;

the second connecting plate 4283 is hinged to an ear plate 4281 on the upper end surface of the compensation lifting plate 429, and the first connecting plate 4282 and the second connecting plate 4283 are hinged and are of a V-shaped structure;

the first connecting plate 4282 and the second connecting plate 4283 are both provided with limiting connecting columns 4284, a spring 4285 is arranged between the two limiting connecting columns 4284, and the spring 4285 is in a compressed state.

The working principle and the beneficial effects of the technical scheme are as follows: in the process of carrying out pulse high-speed air dust removal by utilizing the Venturi principle, the size of the air inlet notch 31 is the key, the Venturi effect is difficult to form due to the larger distance, and the air with the smaller distance is difficult to supplement into the filter element in time. The best effect of the Venturi effect is also related to the size of the inner diameter of the filter element and the flow velocity of the high-speed air flow. Therefore, the distance between the pulse amplification device 3 and the filter cartridge 1 needs to be adjusted in time according to actual conditions to achieve the optimal dust cleaning effect.

In addition, when the pulse airflow is used for cleaning ash, because the high-speed airflow needs to form the spiral airflow under the guiding action of the spiral generating section 32, the whole pulse amplification device 3 can form a large impact force under the action of the pulse high-speed airflow, and the existence of the impact force can certainly influence the size of the air inlet notch 31 on one hand and can also influence the tightness and the sealing property of the connection between the pulse amplification device 3 and the compressed air pipe 2 on the other hand.

In order to avoid the above disadvantages, a height adjusting device 4 is added, which is mainly composed of a lifting mechanism 41 and a buffer compensation mechanism 42.

In the lifting mechanism 41, the first driving motor 414 drives the first screw 413 to rotate, and since the first screw 413 is in threaded connection with the lifting sleeve 415, the lifting sleeve 415 moves upward and moves downward when the first screw 413 rotates, and the horizontal plate 421 and the pulse amplification device 3 are fixedly connected, so that the horizontal plate 421 and the pulse amplification device 3 also lift along with the lifting of the lifting sleeve 415, which is to adjust the size of the air inlet gap 31.

In the cushion compensation mechanism 42, when the height of the lifting mechanism 41 is adjusted, the cushion compensation mechanism 42 compensates for the difference in height before and after the adjustment, and the cushion unit 428 can effectively cushion. When the first driving motor 414 works, the second driving motor 423 works in reverse direction and drives the first gear 422 to rotate, and since the first gear 422 and the second gear 424 are engaged, the second gear 424 rotates along with the first gear 424, and the second threaded rod 425 rotates along with the second gear 424, thereby driving the compensation lifting plate 429 to perform lifting movement. That is, the height difference of the horizontal plate 421 is the same as the height difference of the compensation lifting plate 429 in the opposite direction, so that the buffering assembly 428 is always in the optimal buffering state (the V-shaped clip angle between the first connecting plate 4282 and the second connecting plate 4283 is always kept unchanged).

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.