阅读说明：本技术 一种具有替换过滤网的除尘装置 (dust collector with replaceable filter screen ) 是由 谢浔 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种具有替换过滤网的除尘装置,第一过滤组包括若干左右均匀分布的第一组合过滤网；第二过滤组包括若干左右均匀分布的第二组合过滤网；第一组合过滤网包括一对上下对称设置的第一过滤网；第二组合过滤网包括一对上下对称设置的第二过滤网；吸尘块用于吸取右侧的第一过滤网或者第二过滤网上的粉尘；当所有的第一组合过滤网的一对第一过滤网相靠近时,所有的第二过滤网位于相邻的一对吸尘块之间；当所有的第二组合过滤网的一对第二过滤网相靠近时,所有的第一过滤网位于相邻的一对吸尘块之间。本发明结构简单,通过把过滤网进行替换,方便过滤网清理的同时,减少除尘装置的停机时间。(The invention discloses dust removal devices with replaceable filter screens, wherein a filter group comprises a plurality of 0 combination filter screens which are uniformly distributed left and right, a second filter group comprises a plurality of second combination filter screens which are uniformly distributed left and right, a 1 combination filter screen comprises 2 pairs of 3 filter screens which are symmetrically arranged up and down, each second combination filter screen comprises 4 pairs of second filter screens which are symmetrically arranged up and down, a dust suction block is used for sucking dust on the filter screen or the second filter screen on the right side, when of all combination filter screens is close to the filter screen, all the second filter screens are positioned between adjacent dust suction blocks, and when of all the second combination filter screens is close to the second filter screens, all the filter screens are positioned between adjacent dust suction blocks.)

The dust removal device comprises a rectangular pipeline-shaped dust removal pipeline (10), a plurality of connecting rods (12) are arranged on the inner side wall, close to the outlet of the right end, of the dust removal pipeline (10), a dust removal air suction motor (13) is fixed to the close end of each connecting rod (12), an impeller (131) is fixed to the left end of the output shaft of the dust removal air suction motor (13), the dust removal device is characterized by further comprising a dust removal device (20), rectangular frame-shaped avoidance frames (11) are formed on the upper side wall and the lower side wall of the middle portion of the dust removal pipeline (10) respectively, enable the openings of the avoidance frames (11) to be opposite to each other and close to each other, enable the avoidance frames (11) to be communicated with the dust pipeline (10) and enable the front inner side wall surfaces and the front inner side wall and the rear side wall to be flush with the front inner side wall and rear inner side wall surfaces of the dust removal pipeline (10), is provided with a plurality of dust suction blocks (25) in the avoidance frames (11), the dust removal device (20) comprises a second filtering group and a second filtering group, a second filtering net (24) is arranged between a second filtering net () and a second filtering net (24) is symmetrically arranged between the second filtering net (24) and a second filtering net (3623), when all filtering net () is arranged on the second filtering net (24) and a second filtering net (24) which is symmetrically arranged between the second filtering net (24), the second filtering net (24) which is used for sucking the second filtering net (24) and a second filtering net (24) which is symmetrically arranged on the second filtering net (24) and a second filtering net (24) which is arranged on the second filtering net (3523), and a second filtering net (24) which is symmetrically arranged between the second filtering net (24) and a second filtering net (24) which are symmetrically arranged when the second filtering net (24) which is arranged on the right side combination of a second filtering.

2. The dust removal device with replaceable filter screens according to claim 1, wherein vertical racks (241) are respectively formed at the front and rear ends of the right end face of the filter screen (24), second vertical racks (231) are respectively formed at the front and rear ends of the left end face of the second filter screen (23), gaps for the second vertical racks (231) and the vertical racks (241) to vertically move are respectively formed between the front and rear end faces of the dust collection block (25) and the front and rear inner side walls of the avoidance frame (11), a plurality of central transfer gears (26) are uniformly distributed at the left and right sides of the opening of the avoidance frame (11) in a rotating manner, and the adjacent vertical racks (241) and the second vertical racks (231) are positioned at the left and right sides of the central transfer gears (26) at the corresponding sides and are respectively meshed with the central transfer gears (26).

3. The dust removal device with the replaceable filter screen according to claim 2, wherein pairs of vertical cylinders (21) which are arranged in bilateral symmetry are respectively fixed on the upper and lower end faces of the dust removal pipeline (10), a vertical lifting plate (22) is fixed on the end portion of a piston rod of the pair of vertical cylinders (21) on the same side, a vertical connecting rod (221) is vertically formed on the end face, close to the avoiding frame (11), of the vertical lifting plate (22), and the vertical connecting rod (221) vertically penetrates through the side wall of the corresponding side of the avoiding frame (11) and is fixedly connected with the second filter screen (23).

4. The dust collector with replaceable filter screen according to claim 1, wherein a negative pressure forming groove (250) is formed in the dust collection block (25), a plurality of dust collection holes (2500) which are uniformly distributed and penetrate left and right are formed on the right side wall of the negative pressure forming groove (250), and the dust collection block (25) is connected with an external air draft device.

5. dust removing device with substitute filter screen according to claim 1, wherein the thickness of the filter screen (24) and the second filter screen (23) is the same, and the gap between the adjacent dust suction blocks (25) is the same as the thickness of the filter screen (24) and the second filter screen (23).

6. The dust collector with replaceable filter screens according to claim 1, wherein the front and rear side walls of the dust collecting duct (10) are respectively formed with a plurality of vertical guide slots (100) uniformly distributed left and right, the upper and lower ends of the vertical guide slots (100) extend to the side walls of the corresponding sides of the avoiding frame (11), and the front and rear end faces of the filter screen (24) and the second filter screen (23) are respectively formed with vertical guide blocks matched with the vertical guide slots (100).

Technical Field

The invention relates to the technical field of dust removal devices, in particular to dust removal devices with replaceable filter screens.

Background

In a factory, loose materials such as coal, coke, iron ore, intermediate powder products and the like generate a large amount of dust at screening, crushing, belt transfer points and blanking positions, secondary flying of the dust occurs because the fallen dust cannot be cleaned in time or thoroughly, and workers inhale the dust for a long time, so that lung diseases are caused, and huge economic loss and adverse political influence are caused to the country and individuals.

In contrast, the factory adopts a filter type dust removal method to remove dust, mainly uses a fan to suck out air containing dust and filters the air through a filter screen, so that the cost is low, and the filter screen is easy to block when the air is used for a long time or the dust is too large in the process of filtering and removing dust.

Disclosure of Invention

The invention aims to solve the technical problem that a filter screen is easy to block in the conventional filter type dust removal method, and provides dust removal devices with replaceable filter screens.

The technical scheme includes that dust removing device with replaceable filter screens comprises a rectangular pipeline-shaped dust removing pipeline, a plurality of connecting rods are arranged on the inner side wall, close to an outlet at the right end, of the dust removing pipeline, a dust removing suction motor is fixed to the close end of each connecting rod, an impeller is fixed to the left end of an output shaft of the dust removing suction motor, the dust removing device further comprises a dust removing device, a rectangular frame-shaped avoiding frame is formed on the upper side wall and the lower side wall of the middle portion of the dust removing pipeline respectively, opening openings of the avoiding frame are opposite to each other up and down and close to each other, pairs of avoiding frames are communicated with the dust pipeline, front inner side walls and rear inner side walls of the avoiding frame are flush with front and rear inner side walls of the dust pipeline respectively, pairs of avoiding frames are provided with a plurality of dust suction blocks, the dust removing device comprises a th filter group and a second filter group, a filter group comprises a plurality of combined filter screens which are evenly distributed left and right, a second filter group comprises a plurality of second combined filter screens which are evenly distributed left and right, a second combined filter screen combined filter screen which are arranged adjacently to the left and right, a second combined filter screen is used for sucking all dust blocks when all filter screens of a dust suction blocks 465 filter screen are arranged between a which are close to a second filter screen which is arranged between a dust suction filter screen 465 filter screen which is arranged symmetrically between a dust suction screen which is close to a dust suction screen 465 filter screen which is arranged on a dust suction screen which is arranged between a dust suction screen 465 which is arranged on a dust suction screen which is.

Preferably, vertical racks are formed at the front end and the rear end of the right end face of the th filter screen respectively, second vertical racks are formed at the front end and the rear end of the left end face of the second filter screen respectively, gaps for the vertical movement of the second vertical racks and the vertical racks are formed between the front end face and the rear end face of the dust absorption block and the front inner side wall and the rear inner side wall of the avoidance frame respectively, a plurality of central transmission gears which are uniformly distributed left and right are arranged at the opening of the avoidance frame in a rotating mode, and the adjacent vertical racks and the adjacent second vertical racks are located at the left side and the right side of the central transmission gear on the corresponding side and are meshed with the central.

Preferably, pairs of vertical cylinders which are arranged in bilateral symmetry are respectively fixed on the upper end face and the lower end face of the dust removal pipeline, a vertical lifting plate is fixed on the end portion of a piston rod of the pair of vertical cylinders on the same side, a vertical connecting rod is vertically formed on the end face, close to the avoiding frame, of the vertical lifting plate, and the vertical connecting rod vertically penetrates through the side wall on the corresponding side of the avoiding frame and is fixedly connected with the second filter screen.

Preferably, a negative pressure forming groove is formed in the dust collection block; a plurality of dust collection holes which are uniformly distributed and penetrate left and right are formed on the right side wall of the negative pressure forming groove; the dust absorption block is connected with an external air draft device.

Preferably, the th filter screen and the second filter screen have the same thickness, and the gap between the adjacent dust collection blocks has the same thickness as the th filter screen and the second filter screen.

Preferably, the front side wall and the rear side wall of the dust removal pipeline are respectively provided with a plurality of vertical guide grooves which are uniformly distributed on the left side and the right side, the upper end and the lower end of each vertical guide groove extend to the side wall of the corresponding side of the avoidance frame, and the front end face and the rear end face of the th filter screen and the second filter screen are respectively provided with vertical guide blocks matched with the vertical guide grooves.

The invention has the beneficial effects that: simple structure through replacing the filter screen, when making things convenient for the filter screen clearance, reduces dust collector's down time.

Drawings

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

fig. 2 is a schematic structural view of a cross section of the present invention.

In the drawing, 10 is a dust removal pipeline, 100 is a vertical guide groove, 11 is an avoidance frame, 12 is a connecting rod, 13 is a dust removal air suction motor, 131 is an impeller, 20 is a dust removal device, 21 is a vertical cylinder, 22 is a vertical lifting plate, 221 is a vertical connecting rod, 23 is a second filter screen, 231 is a second vertical rack, 24 is a -th filter screen, 241 is a -th vertical rack, 25 is a dust collection block, 250 is a negative pressure forming groove, 2500 is a dust collection hole, and 26 is a central transmission gear.

Detailed Description

As shown in FIGS. 1 and 2, dust removing device with replaceable filter screens comprises a rectangular pipeline-shaped dust removing pipeline 10, a plurality of connecting rods 12 are arranged on the inner side wall of the dust removing pipeline 10 close to an outlet at the right end, a dust removing suction motor 13 is fixed at the close end of each connecting rod 12, an impeller 131 is fixed at the left end of an output shaft of the dust removing suction motor 13, the dust removing device 20 further comprises a rectangular frame-shaped avoiding frame 11 formed on the upper side wall and the lower side wall of the middle of the dust removing pipeline 10, is opposite to the opening of the avoiding frame 11 in the vertical direction and close to each other, is opposite to the avoiding frame 10, the front and rear inner side walls of the avoiding frame 11 are flush with the front and rear inner side walls of the dust removing pipeline 10, is provided with a plurality of dust suction blocks 25 in the avoiding frame 11, the dust removing device 20 comprises a filtering group and a second filtering group, a filtering group comprising a plurality of second combined filter screens 5964 which are uniformly distributed in the left-right direction, the second filtering group comprises a plurality of second combined filter screens which are uniformly distributed in the left-right direction, the second combined filtering screens which are distributed in the left-right direction, a plurality of the second combined filtering screens 635 combined filtering screens which are arranged in the left-right direction and right direction, a plurality of the second combined filtering screens 3524 which are symmetrically arranged between the second combined filtering screens 3524, and a plurality of the second combined filtering screens 24 which are arranged between the second combined filtering screens 24 which are arranged symmetrically, and a plurality of the second combined filtering screens 465 which are arranged between the second combined filtering screens 4623 when the second combined filtering screens 4624 which are close to the second filtering screens 46.

As shown in FIGS. 1 and 2, vertical racks 241 are respectively formed at the front and rear ends of the right end face of the filter screen 24, second vertical racks 231 are respectively formed at the front and rear ends of the left end face of the second filter screen 23, gaps for the vertical movement of the second vertical racks 231 and the vertical racks 241 are respectively arranged between the front and rear end faces of the dust collection block 25 and the front and rear inner side walls of the avoidance frame 11, a plurality of central transfer gears 26 which are uniformly distributed left and right are rotatably arranged at the opening of the avoidance frame 11, and the adjacent vertical racks 241 and the adjacent second vertical racks 231 are positioned at the left and right sides of the central transfer gear 26 at the corresponding sides and are respectively meshed with the central transfer gears 26.

As shown in FIG. 1, pairs of vertical cylinders 21 which are arranged in bilateral symmetry are respectively fixed on the upper end face and the lower end face of the dust removing pipeline 10, a vertical lifting plate 22 is fixed on the end portion of a piston rod of pairs of vertical cylinders 21 on the same side, a vertical connecting rod 221 is vertically formed on the end face, close to the avoiding frame 11, of the vertical lifting plate 22, and the vertical connecting rod 221 vertically penetrates through the side wall on the corresponding side of the avoiding frame 11 and is fixedly connected with the second filter screen 23.

As shown in fig. 1, a negative pressure forming groove 250 is formed in the dust absorption block 25; a plurality of dust collection holes 2500 which are uniformly distributed and penetrate left and right are formed on the right side wall of the negative pressure forming groove 250; the suction block 25 is connected to an external suction device.

As shown in figures 1 and 2, the th filter screen 24 and the second filter screen 23 have the same thickness, and the gap between adjacent dust absorption blocks 25 has the same thickness as the th filter screen 24 and the second filter screen 23.

As shown in fig. 1 and 2, a plurality of vertical guide grooves 100 are formed on the front and rear side walls of the dust removing duct 10, the vertical guide grooves 100 are uniformly distributed on the left and right, the upper and lower ends of the vertical guide grooves 100 extend to the side wall of the corresponding side of the avoiding frame 11, and vertical guide blocks matched with the vertical guide grooves 100 are formed on the front and rear end surfaces of the th filter screen 24 and the second filter screen 23.

The working principle of the dust removing device with the replaceable filter screen is adopted;

in normal operation, of the th combined filter screen is closest to the th filter screen 24, of the second combined filter screen is farthest from the second filter screen 23 and is located between the adjacent pair of the dust collection blocks 25, at this time, air with dust is sucked into the dust collection pipeline 10 from the left end of the dust collection pipeline 10 through the rotating impeller 131, and then after being filtered by the multiple th combined filter screens, clean air leaves from the right end of the dust collection pipeline 10;

after hours of use, filter screen 24 is clogged with dust, of the second combined filter screen approaches to the second filter screen 23, of the combined filter screen separates from filter screen 24 and finally locates between the adjacent suction blocks 25 through rack and pinion transmission, and the suction blocks 25 act to suck dust to filter screen 24, so that dust on filter screen 24 is sucked away.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.