High-efficiency low-resistance bag type filter

Abstract

A high-efficiency low-resistance bag type filter relates to the technical field of environmental protection equipment and comprises a fixing frame, a filter shell is fixedly arranged on the upper side of the bottom of the fixing frame through a filter support, an air inlet is formed in one side of the upper portion of the filter shell, an air outlet is formed in the lower end of the filter shell, and a flow guide plate is fixedly arranged on the upper side in the filter shell. The filter further comprises an automatic cleaning device, the automatic cleaning device comprises a telescopic hydraulic cylinder, the telescopic hydraulic cylinder is vertically and fixedly arranged on the upper portion of the fixing frame, and a hydraulic rod of the telescopic hydraulic cylinder penetrates through the top of the filter shell and extends to the inner side of the filter shell. Dust accumulated in the cloth bag can be automatically cleaned at regular time, the trouble of manual cleaning is avoided, and the maintenance cost is reduced. Meanwhile, the automatic cleaning device is reasonable in structural design, easy and convenient to operate and good in cleaning effect. The filter is suitable for various occasions needing dust removal, such as the fields of industrial production, environmental protection equipment and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection equipment, in particular to a high-efficiency and low-resistance bag filter. Background Art

[0002] Bag filters are a common dust removal equipment, widely used in industrial production and environmental protection equipment to filter dust particles in the air. Traditional bag filters usually include a filter housing with a cloth bag inside. Air enters the filter housing through the air inlet, and is discharged from the air outlet after being filtered by the cloth bag. However, there are some problems with traditional bag filters. First, the flow of air in the filter housing may not be smooth enough. When used for a long time, too much dust accumulates in the cloth bag, resulting in increased resistance and affecting the filtration efficiency. Secondly, the dust in the cloth bag needs to be cleaned regularly, and the traditional cleaning method is usually done manually, which is not only troublesome but also has high maintenance costs. Utility Model Content

[0003] The utility model aims to provide a high-efficiency and low-resistance bag filter to solve the problems of low filtering efficiency and inconvenient dust cleaning after long-term use in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A high-efficiency, low-resistance bag filter comprises a fixing frame, the side of the fixing frame is U-shaped, a filter housing is fixedly arranged on the upper side of the bottom of the fixing frame through a filter bracket, an air inlet is arranged on one side of the upper part of the filter housing, an air outlet is arranged on the lower end of the filter housing, a guide plate is fixedly arranged on the upper side of the interior of the filter housing, a guide hole is arranged on the guide plate, a cloth bag is arranged on the lower side of the guide hole, and the feature is that it also comprises an automatic cleaning device, the automatic cleaning device comprises a telescopic hydraulic cylinder, the telescopic hydraulic cylinder is vertically fixedly arranged on the upper part of the fixing frame, the hydraulic rod of the telescopic hydraulic cylinder extends through the top of the filter housing to the inner side of the filter housing, and the bottom end of the telescopic rod of the telescopic hydraulic cylinder is fixedly arranged with A movable plate, a sliding rod is provided on the lower side of the movable plate, a cleaning block is provided at the lower end of the sliding rod, the cleaning block corresponds to the upper and lower positions of the guide hole, a sliding rack is fixedly provided on one side of the hydraulic rod of the telescopic hydraulic cylinder, one side of the sliding rack is slidably connected to one side of the fixed rack, a wedge-shaped end surface is provided at the lower end of the sliding rack, an elastic telescopic mechanism is provided on the side of the fixed rack, one end of the elastic telescopic mechanism cooperates with the lower end of the sliding rack, the other end of the elastic telescopic mechanism extends to the interior of the filter housing and is fixedly connected with a sliding plate, a fixed plate is fixedly provided on the inner side of the filter housing through a support rod, circular holes corresponding to each other are provided on the sliding plate and the fixed plate, and an opening is provided at the lower end of the cloth bag.

[0006] A preferred technical solution, the elastic telescopic mechanism includes a fixed slide seat fixedly arranged on the side of the fixed frame, a transverse slide groove is arranged on the upper side of the fixed slide seat, a slider is slidably arranged inside the transverse slide groove, one end of the slider is fixedly connected to the slide plate through the filter housing, the other end of the slider cooperates with the wedge-shaped end surface of the lower end of the slide, a vertical slide groove is arranged on the end side of the fixed slide seat, the slide groove is slidably cooperated with the lower end of the slide, and a compression spring is arranged between the vertical slider and the filter housing.

[0007] According to a preferred technical solution, an elastic rubber ring is arranged inside the circular hole.

[0008] According to a preferred technical solution, the cleaning block corresponds one-to-one to the guide hole, the cloth bag and the circular hole respectively.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model provides a guide plate and a guide hole so that air can smoothly pass through the filter housing, thereby reducing resistance and improving filtering efficiency. By providing an automatic cleaning device, dust accumulated in the bag can be automatically cleaned at regular intervals, thus avoiding the trouble of manual cleaning and reducing maintenance costs. At the same time, the automatic cleaning device has a reasonable structural design, is easy to operate, and has a good cleaning effect. The filter is suitable for various occasions requiring dust removal, such as industrial production, environmental protection equipment, and other fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the guide plate of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the skateboard of the utility model;

[0015] Figure 5 Schematic diagram of the coordination structure of the elastic telescopic mechanism and the slide frame of the present invention.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0017] In the figure: 1, fixing frame; 2, filter bracket; 3, filter housing; 4, air inlet; 5, air outlet; 6, guide plate; 7, guide hole; 8, cloth bag; 81, opening; 9, automatic cleaning device; 91, telescopic hydraulic cylinder; 92, moving plate; 93, slide bar; 94, cleaning block; 95, slide; 96, wedge-shaped end face; 97, elastic telescopic mechanism; 98, slide plate; 99, support rod; 910, fixing plate; 911, round hole; 912, elastic rubber ring; 971, fixed slide seat; 972, horizontal slide groove; 973, slider; 974, vertical slide groove; 975, compression spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 , the utility model provides a technical solution:

[0020] like Figure 1As shown, a high-efficiency low-resistance bag filter comprises a fixing frame 1, the side of the fixing frame 1 is U-shaped, a filter housing 3 is fixedly arranged on the upper side of the bottom of the fixing frame 1 through a filter bracket 2, an air inlet 4 is arranged on one side of the upper part of the filter housing 3, an air outlet 5 is arranged at the lower end of the filter housing, a guide plate 6 is fixedly arranged on the upper side of the inner part of the filter housing 3, a guide hole 7 is arranged on the guide plate 6, a cloth bag 8 is arranged on the lower side of the guide hole 7, and the characteristic is that it also comprises an automatic cleaning device 9, the automatic cleaning device 9 comprises a telescopic hydraulic cylinder 91, the telescopic hydraulic cylinder 91 is vertically fixedly arranged on the upper part of the fixing frame 1, the hydraulic rod of the telescopic hydraulic cylinder 91 extends through the top of the filter housing 3 to the inner side of the filter housing 3, and the bottom end of the telescopic rod of the telescopic hydraulic cylinder 91 is fixedly provided with a movable plate 92 , a slide bar 93 is provided on the lower side of the movable plate 92, a cleaning block 94 is provided at the lower end of the slide bar 93, and the cleaning block 94 corresponds to the upper and lower positions of the diversion hole 7, a slide 95 is fixedly provided on one side of the hydraulic rod of the telescopic hydraulic cylinder 91, one side of the slide 95 is slidably connected to one side of the fixed frame 1, a wedge-shaped end surface 96 is provided at the lower end of the slide 95, an elastic telescopic mechanism 97 is provided on the side of the fixed frame 1, one end of the elastic telescopic mechanism 97 is matched with the lower end of the slide 95, and the other end of the elastic telescopic mechanism 97 extends to the inside of the filter housing 3 and is fixedly connected with a slide plate 98, a fixed plate 910 is fixedly provided on the inner side of the filter housing 3 through a support rod 99, and circular holes 911 corresponding to each other are provided on the slide plate 98 and the fixed plate 910, and an opening 81 is provided at the lower end of the cloth bag 8. An elastic rubber ring 912 is provided inside the circular hole 911. The cleaning block 94 corresponds to the diversion hole 7, the cloth bag 8 and the circular hole 911 one by one.

[0021] The elastic telescopic mechanism 97 includes a fixed slide 971 fixedly arranged on the side of the fixed frame 1, a transverse slide groove 972 is arranged on the upper side of the fixed slide 971, a slider 973 is slidingly arranged inside the transverse slide groove 972, one end of the slider 973 is fixedly connected to the slide plate 98 through the filter housing 3, and the other end of the slider 973 cooperates with the wedge-shaped end surface 96 of the lower end of the slide 95, a vertical slide groove 974 is arranged on the end side of the fixed slide 971, and the vertical slide groove 974 is slidingly matched with the lower end of the slide 95, and a compression spring 975 is arranged between the slider 973 and the filter housing 3.

[0022] The automatic cleaning device of the utility model can automatically clean the dust accumulated in the bag 8 at a fixed time. Specifically, when the air outlet efficiency of the bag dust collector is low, the dust in the bag 8 is accumulated a lot and needs to be cleaned. Specifically, the dust removal work is stopped, and then the elastic telescopic mechanism 9 is started. The telescopic hydraulic cylinder of the elastic telescopic mechanism 9 will drive the moving plate 92 and the slide 95 to move downward at the same time. The wedge-shaped end surface 96 at the lower end of the slide 95 first contacts the slide plate 98, and the slide plate 98 will drive the slide plate 98 to slide horizontally, so that the slide plate 98 and the circular hole 911 on the fixed plate 910 are connected, so that the bag 8 The upper and lower parts are connected, and the dust accumulated in the bag 8 will fall from the opening 81 and through the air outlet 5 to the bottom of the dust collector housing 3. The telescopic hydraulic cylinder 91 continues to drive the movable plate 92 to move downward, and the cleaning block 94 enters the bag 8 through the guide hole 7. Since the slide plate 98 and the circular hole 911 on the fixed plate 910 are connected, the cleaning block 94 can scrape off the dust adhered to the inside of the bag 8 and drop it to the bottom of the dust collector housing 3, and then collect the removed dust. The telescopic hydraulic cylinder 91 is reset, and due to the action of the compression spring 975, the elastic telescopic mechanism 97 also returns to the position before cleaning, completing the cleaning work.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency low-resistance bag filter, comprising a fixing frame (1), the side of the fixing frame (1) is U-shaped, a filter housing (3) is fixedly arranged on the upper side of the bottom of the fixing frame (1) through a filter bracket (2), an air inlet (4) is arranged on one side of the upper part of the filter housing (3), an air outlet (5) is arranged at the lower end of the filter housing, a guide plate (6) is fixedly arranged on the upper side of the interior of the filter housing (3), a guide hole (7) is arranged on the guide plate (6), and a cloth bag (8) is arranged on the lower side of the guide hole (7), characterized in that: The filter element (9) further comprises an automatic cleaning device (9), wherein the automatic cleaning device (9) comprises a telescopic hydraulic cylinder (91), wherein the telescopic hydraulic cylinder (91) is vertically fixedly arranged on the upper part of the fixed frame (1), wherein the hydraulic rod of the telescopic hydraulic cylinder (91) extends through the top of the filter housing (3) to the inner side of the filter housing (3), wherein a movable plate (92) is fixedly arranged at the bottom end of the telescopic rod of the telescopic hydraulic cylinder (91), wherein a sliding rod (93) is arranged at the lower side of the movable plate (92), wherein a cleaning block (94) is arranged at the lower end of the sliding rod (93), wherein the cleaning block (94) corresponds to the upper and lower positions of the guide hole (7), wherein a sliding bracket (95) is fixedly arranged on one side of the hydraulic rod of the telescopic hydraulic cylinder (91), wherein the sliding bracket (95) is fixedly arranged on the lower side of the sliding ... One side of the slide (95) is slidably connected to one side of the fixed frame (1), the lower end of the slide (95) is provided with a wedge-shaped end surface (96), the side of the fixed frame (1) is provided with an elastic telescopic mechanism (97), one end of the elastic telescopic mechanism (97) is matched with the lower end of the slide (95), the other end of the elastic telescopic mechanism (97) extends into the interior of the filter housing (3) and is fixedly connected with a slide plate (98), the inner side of the filter housing (3) is fixedly provided with a fixing plate (910) through a support rod (99), the slide plate (98) and the fixing plate (910) are provided with upper and lower corresponding circular holes (911), and the lower end of the cloth bag (8) is provided with an opening (81).

2. A high efficiency and low resistance bag filter according to claim 1, characterized in that: The elastic telescopic mechanism (97) comprises a fixed slide seat (971) fixedly arranged on the side of the fixed frame (1); a transverse slide groove (972) is arranged on the upper side of the fixed slide seat (971); a slider (973) is slidably arranged inside the transverse slide groove (972); one end of the slider (973) is fixedly connected to the slide plate (98) through the filter housing (3); the other end of the slider (973) cooperates with the wedge-shaped end surface (96) at the lower end of the slide frame (95); a vertical slide groove (974) is arranged on the end side of the fixed slide seat (971); the vertical slide groove (974) is slidably matched with the lower end of the slide frame (95); and a compression spring (975) is arranged between the slider (973) and the filter housing (3).

3. A high efficiency and low resistance bag filter according to claim 1, characterized in that: An elastic rubber ring (912) is arranged inside the circular hole (911).

4. A high efficiency and low resistance bag filter according to claim 1, 2 or 3, characterized in that: The cleaning block (94) corresponds one-to-one to the diversion hole (7), the cloth bag (8) and the circular hole (911).

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