CN211051109U - A pulse dust collector - Google Patents

Abstract

The utility model discloses a pulse dust collector, which comprises a box body, a filter chamber is arranged in the box body, the filter chamber is connected with a blowing ash cleaning device, an ash hopper is arranged at the lower end of the box body, and the ash hopper from top to bottom includes the same The ash collecting body and the ash outlet pipe are fixedly connected by the shaft. The ash collecting body is in the shape of a conical funnel. The lower end of the ash outlet pipe is provided with an ash discharge valve. The outer side wall of the ash outlet pipe is provided with a horizontal support plate. There is a motor, the output shaft of the motor is fixed and connected with a worm horizontally and coaxially. The worm is penetrated through the side wall of the ash hopper. The inner side wall of the ash outlet is coaxially provided with an annular groove. The upper end surface of the ring is connected with a ash scraper, which is attached to the inner side wall of the ash collecting body. The lower end surface of the connecting ring is coaxially fixed with a sleeve, and the outer side wall of the sleeve is fixedly sleeved with a worm wheel. The worm wheel and the worm mesh. The utility model scrapes and cleans the dust adhering to the inner wall of the ash collecting body of the ash hopper, thereby improving the ash cleaning effect of the ash hopper.

Description

A pulse dust collector

technical field

The utility model relates to the technical field of dust collectors, in particular to a pulse dust collector.

Background technique

The dust collector is a device that separates dust from the flue gas. The pulse dust collector is a new type of high-efficiency pulse dust collector improved on the basis of the bag filter. It solves the shortcomings of insufficient cleaning strength of the compartment and uneven distribution of air in and out, and expands the scope of application.

The Chinese patent with the publication number CN108970271A discloses a pulse dust collector, which includes an upper box body, a lower box body, a dust collecting hopper, a gas storage tank, a blowing pipe, a pulse valve and a filter bag. The air inlet of the pulse valve is connected with the air storage tank, the injection pipe is located above the filter bag, the side of the dust collector is provided with an air inlet, the bottom of the dust collector is provided with a storage bin, and the side of the upper box is provided with For the air outlet, the top surface of the upper box is provided with an inspection door, and the bottom surface of the upper box is provided with a number of through holes. The filter bag is sleeved on the through hole and is arranged toward the lower box. The filter bag can realize the basic function of the dust collector. , the pulse valve can use the air storage tank and the injection pipe to remove the dust on the filter bag. The filter bag is sleeved on a plurality of through holes, which expands the filter area and facilitates the cleaning of the filter bag. It has high efficiency and good dust collection effect. , long service life and so on.

When the dust-containing gas enters the dust collector, the dust with large particles and heavy specific gravity settles down and falls into the ash hopper. When the gas containing the finer dust passes through the filter element, the dust is blocked and the gas is purified. The dust trapped after filtration and ash cleaning falls into the ash hopper, and then is discharged centrally by the ash unloading device at the mouth of the ash hopper.

However, in the process of actual use, the dust falling into the ash hopper often gathers and adheres to the inner side wall of the ash collecting body of the ash hopper, which makes it difficult to remove the dust and affects the cleaning effect.

Utility model content

The purpose of the utility model is to provide a pulse dust collector, which scrapes and cleans the dust adhering to the inner wall of the ash collecting body of the ash hopper and improves the ash cleaning effect of the ash hopper.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A pulse dust collector includes a box body, a filter chamber is arranged in the box body, the filter chamber is connected with a jet cleaning device, an ash hopper is arranged at the lower end of the box body, and the ash hopper goes from top to bottom. The bottom includes an ash collecting body and an ash outlet pipe that are coaxially and fixedly connected. The ash collecting body is in the shape of a conical funnel. A support plate, a motor is installed on the upper end surface of the support plate, and a worm is fixedly connected to the output shaft of the motor horizontally and coaxially. A ring-shaped groove is coaxially opened, a connecting ring is rotatably installed in the groove, and the upper end face of the connecting ring is connected with a ash scraping strip, and the ash scraping strip is attached to the inner side wall of the ash collecting body, The lower end face of the connecting ring is fixedly installed with a sleeve coaxially, and the outer side wall of the sleeve is fixedly sleeved with a worm wheel, and the worm wheel is engaged with the worm.

By adopting the above technical solution, the motor is started, the output shaft of the motor rotates, the worm is rotated, the worm wheel is rotated, the casing is rotated, the connecting ring is rotated along the groove, and the scraper on the upper end of the connecting ring is driven to the dust collecting body. The dust adhering to the inner wall is scraped off, the dust discharge valve is opened, and the scraped dust passes through the connecting ring and the casing, and is discharged from the dust outlet pipe. In this way, the dust on the inner wall of the ash collecting body can be cleaned, and the dust adhering to the inner wall of the ash collecting body can be reduced, so that the ash hopper is not easily blocked due to excessive dust adhesion and accumulation, and the ash cleaning effect of the ash hopper is improved.

The utility model is further configured as follows: the ash scraping strip includes a fixing strip and a scraping strip, the scraping strip is located on the side of the fixing strip facing the inner wall of the ash collecting body, and the scraping strip and the ash collecting body are separated from each other. The inner side walls are fitted together, and the material of the scraping strip is rubber.

By adopting the above technical solution, the scraper sticks to the inner wall of the ash hopper, and the scraper scrapes off the dust adhering to the inner wall of the ash collecting body. The scraper is made of rubber, which has elasticity, which is beneficial to fit with the inner wall of the dust collecting body, improving the scraping effect of adhering dust; at the same time, it also reduces the damage caused by the scraping strip to the inner wall of the dust collecting body.

The utility model is further provided that: the fixing strip and the scraping strip are connected by bolts.

By adopting the above technical solution, the fixing strip and the scraping strip are connected by bolts, and while the fixation is high, it is easy to disassemble and assemble the scraping strip, and it is convenient for the operator to replace the scraping strip in time.

The utility model is further configured as follows: a connecting block is arranged in the center of the ash collecting body, a connecting strip is arranged between the connecting block and the ash scraping strip, and both ends of the connecting strip are respectively connected with the The outer side wall of the block and the fixing bar are connected.

By adopting the above technical solution, the connecting slats cooperate with the connecting blocks to support and stabilize the scraping strips, strengthen the tightness of the connection of the scraping strips, connect the scraping strips into one, and facilitate the stability of the scraping strips Scrape off the dust adhering to the inner side wall of the dust collector body.

The utility model is further configured as follows: the connecting slats are arranged at an inclined angle with the horizontal plane.

By adopting the above technical solution, the output shaft of the motor rotates, drives the worm to rotate, the worm wheel rotates, drives the casing to rotate, the connecting ring rotates along the groove, and drives the scraper on the upper end of the connecting ring to adhere to the inner wall of the collecting body The dust is scraped off, and the connecting slats are rotated. The connecting slats are inclined at an angle to the horizontal plane. When the connecting slats rotate, a cyclone is formed, and the dust on the inner wall of the dust collecting body is blown downward. The dust passes through the connecting ring and the sleeve and is discharged from the ash outlet. The connecting slats cooperate with the ash scraping strips to further improve the ash cleaning effect of the ash hopper.

The utility model is further configured as follows: a horizontal support plate is installed on the outer side wall of the ash discharge pipe, a support is installed on the upper end surface of the support plate, and the end of the worm away from the motor is rotated and inserted in the A bearing is provided at the connection between the end of the worm and the bearing.

By adopting the above technical solution, the output shaft of the motor rotates, drives the worm to rotate, the worm wheel rotates, drives the casing to rotate, the connecting ring rotates along the groove, and drives the scraper on the upper end of the connecting ring to adhere to the inner wall of the collecting body of dust to be scraped off. The support plate supports the support, and the support supports the end of the worm away from the motor, which makes the rotation of the worm more stable, which is beneficial to the worm drive and makes the scraper strip more stably.

The utility model is further configured as follows: a triangular first reinforcing block is arranged at the connection between the lower end face of the support plate and the outer side wall of the ash discharge pipe, and the lower end face of the support plate is connected to the outer side wall of the ash discharge pipe. There is a triangular second reinforcing block at the connection.

By adopting the above technical solution, the first reinforcement block supports the lower end face of the support plate, which improves the tightness of the connection between the support plate and the ash discharge pipe, and facilitates the support plate to stably support the motor; the second reinforcement block supports the lower end of the support plate. The end face is supported, so that the support plate and the ash discharge pipe are connected more closely, which is beneficial for the support plate to stably support the end of the worm. The first reinforcement block cooperates with the second reinforcement block, so that the worm rotates more stably, and the dust scraper can scrape the dust adhered to the inner wall of the dust collecting body more stably through the transmission, which is safe and reliable.

The utility model is further configured as follows: the filter chamber is provided with a filter element, the filter element comprises a filter bag and a filter cartridge, and the filter bag is wrapped on the outer side wall of the filter cartridge.

By adopting the above technical solution, the dust-laden gas is double-filtered by the filter bag and the filter cartridge, and then discharged from the air outlet of the filter chamber. Effect.

To sum up, the beneficial effects of the present utility model are:

1. The technology of ash hopper, ash collecting body, ash outlet pipe, ash discharge valve, support plate, motor, worm, groove, connecting ring, scraping strip, casing and worm wheel can be used to clean the inner wall of the ash collecting body. It can reduce the dust adhering to the inner wall of the ash collecting body, so that the ash hopper is not easy to be blocked due to excessive dust adhesion and accumulation, and the ash cleaning effect of the ash hopper is improved.

2. The technology of connecting blocks and connecting slats is adopted. The connecting slats cooperate with the connecting blocks to support and stabilize the scraping strips, strengthen the tightness of the connection of multiple scraping strips, and connect multiple scraping strips Integrated, it is convenient for the scraping strip to stably scrape off the dust adhering to the inner wall of the dust collecting body; when the connecting strip rotates, a cyclone is formed, and the dust on the inner wall of the dust collecting body is blown downward, and the dust passes through the connecting ring and the sleeve, from the dust collector. The ash discharge pipe is discharged.

3. The technology of filter element, filter bag and filter cartridge is adopted. The dust-laden gas is double-filtered by the filter bag and filter cartridge and discharged from the air outlet of the filter chamber. The filter element includes the filter bag and the filter cartridge. The advantages of both improve the filtering effect.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of this embodiment.

FIG. 2 is a partial enlarged schematic view of part A in FIG. 1 .

FIG. 3 is a schematic cross-sectional structure diagram of this embodiment.

FIG. 4 is a partial enlarged schematic view of part B in FIG. 3 .

FIG. 5 is a schematic structural diagram for embodying the worm gear drive, the ash scraping strip, the connecting strip and the connecting block in this embodiment.

FIG. 6 is a schematic structural diagram of a filter cartridge and a filter bag used to embody the filter element in this embodiment.

In the figure, 1, box body; 11, filter chamber; 12, jet cleaning device; 13, filter element; 131, filter bag; 132, filter cartridge; 2, ash hopper; 21, ash collecting body; 22, ash discharge Pipe; 221, groove; 222, ash discharge valve; 3, support plate; 31, motor; 32, worm; 33, worm gear; 34, casing; 35, connecting ring; 36, scraping strip; 361, fixing strip 362, scraper; 37, connecting slats; 38, connecting block; 4, support plate; 41, support; 42, bearing; 51, the first reinforcement block; 52, the second reinforcement block.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to Figure 1, it is a pulse dust collector disclosed by the utility model, comprising a box body 1, a filter chamber 11 (refer to Figure 3) is arranged in the box body 1, the filter chamber 11 is connected with a jet cleaning device 12, and the filter chamber 11 is provided with a filter element 13 (see FIG. 3 ). The filter element 13 includes a vertical filter bag 131 and a filter cartridge 132 (see FIG. 6 ). The outer side wall of the barrel 132 . The dust-laden gas is double-filtered by the filter bag 131 and the filter cartridge 132, the dust remains outside the filter element 13, and the clean gas is discharged from the air outlet of the filter chamber 11. The filter element 13 includes the filter bag 131 and the filter cartridge 132, and the filter bag 131 is assembled. The advantages of both the filter cartridge 132 and the filter cartridge 132 improve the filtering effect.

1 and 3 , an ash hopper 2 is communicated with the lower end of the box body 1 . The ash hopper 2 includes an ash collecting body 21 and an ash outlet pipe 22 that are coaxially and fixedly connected from top to bottom. The ash collecting body 21 and the ash outlet pipe 22 Its axis is vertical, the ash collecting body 21 is in the shape of a conical funnel, and the lower end of the ash outlet pipe 22 is provided with an ash discharge valve 222. The dust blowing and cleaning device 12 sprays the dust filtered on the filter element 13 and falls into the ash hopper 2 below. The ash discharge valve 222 is opened, and the dust is discharged from the ash discharge pipe 22 .

1 and 2 , the outer side wall of the ash outlet pipe 22 is provided with a horizontal support plate 3 , and a triangular first reinforcing block 51 is provided at the connection between the lower end surface of the support plate 3 and the outer side wall of the ash outlet pipe 22 . A motor 31 is installed on the upper end surface of the support plate 3, and the output shaft of the motor 31 is fixedly connected with a worm 32 horizontally and coaxially. connect. An annular groove 221 is coaxially defined on the inner side wall of the ash discharge pipe 22 , and a connecting ring 35 is installed in the groove 221 in a coaxial rotation (see FIG. 4 ). A sleeve 34 is fixedly installed on the lower end surface of the connecting ring 35 coaxially, and a worm wheel 33 (see FIG. 5 ) is fixedly sleeved on the outer side wall of the sleeve 34 , and the worm wheel 33 is engaged with the worm 32 . A horizontal support plate 4 is installed on the outer side wall of the ash discharge pipe 22 , and a triangular second reinforcing block 52 is provided at the connection between the lower end surface of the support plate 4 and the outer side wall of the ash discharge pipe 22 . A support 41 is installed on the upper end surface of the support plate 4 , the end of the worm 32 away from the motor 31 is rotatably inserted into the support 41 , and a bearing 42 is provided at the connection between the end of the worm 32 and the support 41 . When the motor 31 is started, the output shaft of the motor 31 rotates, which drives the worm 32 to rotate, the worm wheel 33 rotates, and the sleeve 34 rotates, so that the connecting ring 35 rotates along the groove 221 . The support plate 3 is installed for the motor 31 , and the first reinforcement block 51 supports the lower end surface of the support plate 3 , which improves the tightness of the connection between the support plate 3 and the ash discharge pipe 22 . The support plate 4 supports the end of the worm 32 away from the motor 31 through the support 41 , and the second reinforcing block 52 supports the lower end surface of the support plate 4 to connect the support plate 4 and the ash discharge pipe 22 more closely. The first reinforcement block 51 cooperates with the second reinforcement block 52 to make the worm 32 rotate more stably, and the dust scraping strip 36 can scrape the dust adhered to the inner wall of the dust collecting body 21 more stably through transmission, which is safe and reliable.

3 and 5 , the upper end surface of the connecting ring 35 is provided with a scraper bar 36, the scraper bar 36 includes a fixing bar 361 and a scraper bar 362, and the scraper bar 362 is located on the side of the fixing bar 361 facing the inner wall of the ash collecting body 21, The scraping strip 362 is attached to the inner side wall of the ash collecting body 21 , and the material of the scraping strip 362 is rubber. The fixing strip 361 and the scraping strip 362 are connected by bolts. The center of the ash collecting body 21 is provided with a connecting block 38, and a connecting strip 37 is provided between the connecting block 38 and the ash scraping strip 36. The connecting strips 37 are arranged at an inclined angle to the horizontal. The ash scraper 36 on the upper end surface is driven by the connecting ring 35 to move, and the scraper 362 scrapes off the dust adhering to the inner wall of the ash collecting body 21, so that the ash hopper 2 is not easily blocked due to excessive dust adhesion and accumulation. The connecting slats 37 rotate, and the connecting slats 37 form an inclined angle with the horizontal plane. When the connecting slats 37 rotate, a cyclone is formed, and the dust on the inner wall of the dust collecting body is blown downward, and the ash discharge valve 222 is opened, and the dust flows from the ash outlet pipe 22. discharge. The connecting strip 37 cooperates with the ash scraping strip 36 to further improve the ash cleaning effect of the ash hopper 2 . The rubber has elasticity, which is beneficial to fit with the inner wall of the dust collecting body, and also reduces the damage caused by the scraping strip 36 to the inner wall of the dust collecting body. The connecting strip 37 cooperates with the connecting block 38 to support and stabilize the scraping strips 36, strengthen the tightness of the connection of the scraping strips 36, and connect the scraping strips 36 into one, which is convenient for the scraping strips 36 to be stable. Scrape off the dust adhering to the inner side wall of the dust collector body.

The implementation principle of the above embodiment is as follows: the dust-laden gas is double-filtered by the filter bag 131 and the filter cartridge 132 , the dust remains outside the filter element 13 , and the clean gas is discharged from the air outlet of the filter chamber 11 . The dust blowing and cleaning device 12 sprays the dust filtered on the filter element 13 and falls into the ash hopper 2 below. Start the motor 31, the output shaft of the motor 31 rotates, drives the worm 32 to rotate, makes the worm wheel 33 rotate, drives the sleeve 34 to rotate, makes the connecting ring 35 rotate along the groove 221, drives the scraping strip 36 on the upper end of the connecting ring 35 to move , the scraping strip 362 scrapes off the dust adhering to the inner wall of the ash collecting body 21, so that the ash hopper 2 is not easily blocked due to excessive dust adhesion and accumulation. The connecting slats 37 rotate, and the connecting slats 37 form an inclined angle with the horizontal plane. When the connecting slats 37 rotate, a cyclone is formed, and the dust on the inner wall of the dust collecting body is blown downward, and the ash discharge valve 222 is opened, and the dust passes through the connecting ring 35 and The casing 34 is discharged from the ash discharge pipe 22 .

This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading this specification, but as long as the utility model is used in the present invention All new types of claims are protected by the patent law.

Claims (8)

1. A pulse dust collector, comprising a box body (1), characterized in that: the box body (1) is provided with a filter chamber (11), and the filter chamber (11) is connected with a jet cleaning device ( 12), the lower end of the box body (1) is provided with an ash hopper (2), and the ash hopper (2) includes a coaxially fixed ash collecting body (21) and an ash outlet pipe (22) from top to bottom. , the ash collecting body (21) is in the shape of a conical funnel, the lower end of the ash outlet pipe (22) is provided with an ash discharge valve (222), and the outer side wall of the ash outlet pipe (22) is provided with a horizontal support plate (3), a motor (31) is installed on the upper end surface of the support plate (3), and a worm (32) is fixedly connected to the output shaft of the motor (31) horizontally and coaxially, and the worm (32) passes through the The side wall of the ash hopper (2) and the inner side wall of the ash outlet pipe (22) are coaxially provided with an annular groove (221), and the groove (221) is rotatably installed with a connecting ring (35). , the upper end surface of the connecting ring (35) is connected with a scraping strip (36), the scraping strip (36) is fitted with the inner side wall of the dust collecting body (21), and the connecting ring (35) A sleeve (34) is fixed coaxially on the lower end surface of the sleeve, and a worm wheel (33) is fixedly sleeved on the outer side wall of the sleeve (34), and the worm wheel (33) is engaged with the worm (32). 2 . The pulse dust collector according to claim 1 , wherein the scraping strip ( 36 ) comprises a fixing strip ( 361 ) and a scraping strip ( 362 ), and the scraping strip ( 362 ) is located in the The fixing strip (361) faces the side of the inner wall of the ash collecting body (21), the scraping strip (362) is attached to the inner wall of the ash collecting body (21), and the material of the scraping strip (362) is for rubber. 3 . The pulse dust collector according to claim 2 , wherein the fixing strip ( 361 ) and the scraping strip ( 362 ) are connected by bolts. 4 . The pulse dust collector according to claim 3, characterized in that: a connecting block (38) is provided in the center of the ash collecting body (21), and the connecting block (38) is connected to the ash scraping strip. A connecting strip (37) is arranged between (36), and both ends of the connecting strip (37) are respectively connected with the outer side wall of the connecting block (38) and the fixing strip (361). 5 . The pulse dust collector according to claim 4 , wherein the connecting strips ( 37 ) are arranged at an inclined angle to the horizontal plane. 6 . 6. A pulse dust collector according to claim 1, characterized in that: a horizontal support plate (4) is installed on the outer side wall of the ash discharge pipe (22), and the upper end surface of the support plate (4) is A support (41) is installed, the end of the worm (32) away from the motor (31) is rotatably inserted into the support (41), and the end of the worm (32) is connected to the support A bearing (42) is provided at the connection of (41). 7. A pulse dust collector according to claim 6, characterized in that: a triangular-shaped first is provided at the connection between the lower end surface of the support plate (3) and the outer side wall of the ash outlet pipe (22). A reinforcing block (51), a triangular second reinforcing block (52) is provided at the connection between the lower end surface of the support plate (4) and the outer side wall of the ash discharge pipe (22). 8 . The pulse dust collector according to claim 1 , wherein a filter element ( 13 ) is arranged in the filter chamber ( 11 ), and the filter element ( 13 ) comprises a filter bag ( 131 ) and a filter cartridge ( 8 . 132), the filter bag (131) is wrapped on the outer side wall of the filter cartridge (132).

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