CN204522579U - A kind of deduster - Google Patents

Abstract

The utility model provides a dust remover, which belongs to the field of dust removal equipment. It solves the problem that the dust removal effect of the existing dust collector is not good. The dust collector includes a dust removal box and a foot for supporting the dust removal box. A cone-shaped ash hopper is fixed at the bottom of the dust removal box. A partition is arranged inside the dust removal box, and the partition divides the inner cavity of the dust removal box into clean air at the top. chamber and the dust removal chamber at the lower part, the clean air chamber is provided with an air outlet that communicates with the outside world, the dust removal chamber is provided with an air inlet that communicates with the outside world, and the dust removal chamber is provided with a filter cartridge whose axis is parallel to the vertical direction, and a separator There is a mounting hole on the top, and the upper end of the filter cartridge is fixed on the partition plate through the mounting hole. There is a box cover above the clean air chamber, and a pulse injection pipe is arranged on the box cover along the vertical direction. The position of the pulse injection pipe and the filter The positions of the cylinders correspond one by one. By arranging the filter cartridge in the vertical direction, it is avoided that the dust is adsorbed on the filter cartridge for the second time when the pulse jet pipe blows air in the opposite direction, so that the dust cleaning effect of the filter cartridge is more thorough.

Description

a dust collector

technical field

The utility model belongs to the field of dust removal equipment and relates to a dust remover.

Background technique

The equipment that separates dust from flue gas is called dust collector or dust removal equipment. There are many types of dust collectors, among which cartridge dust collectors are the most common type of dust collectors. The filter cartridge dust collector uses the filter cartridge as the filter element. It has the advantages of reasonable structure, high dust removal efficiency and remarkable energy saving effect. It is widely used in dust and fugitive dust treatment and product recovery in the production process of building materials, light industry, metallurgy, chemical industry and other industries. From the perspective of development trend, the filter cartridge dust collector is an effective means to make the emission concentration of fine particle pollutants fully meet the national environmental protection standards.

For example, the Chinese patent [Application No.: 201110150118.9; Application Publication No.: CN102805978A] discloses a pulse filter cartridge dust collector, which includes a dust collector body, an air compressor and multiple filter cartridges arranged in the dust collector body, and also includes multiple A pulse blowing pipe, a pulse signal generator and a pressure reducing valve, each pulse blowing pipe is provided with a pulse electromagnetic valve and communicates with the filter cartridge one by one respectively, and a plurality of pulse blowing pipes pass through the air compressor The decompression valve is connected, and the pulse signal generator sends signals to multiple pulse solenoid valves successively to control the pulse injection pipe where the pulse solenoid valves are located to perform reverse blowing. The pulse signal generator prolongs the time successively, controls the pulse blowing pipe and performs back blowing, so that the dust of the dust collector falls into the ash hopper at the bottom of the dust collector body under the action of appropriate wind force.

However, the above-mentioned pulse type filter cartridge dust collector has the following defects: when the pulse electromagnetic valve is opened to remove dust from the filter cartridge, since the filter cartridges in the above-mentioned dust collector are arranged horizontally in three or four rows, the dust removed by the upper filter cartridge Part of it will fall into the filter cartridge below, resulting in secondary adsorption of dust generated by cleaning, which makes the cleaning effect of the filter cartridge unsatisfactory and shortens the service life of the filter cartridge. In addition, the filter cartridge is arranged horizontally, which is not conducive to the installation, replacement and maintenance of the filter cartridge.

Contents of the invention

The purpose of this utility model is to propose a dust remover in view of the above-mentioned problems in the existing technology. The technical problem solved by the utility model is how to improve the dust removal effect of the dust remover.

The purpose of this utility model can be achieved through the following technical solutions: a dust remover, including a dust removal box and a foot for supporting the dust removal box, the bottom of the dust removal box is fixed with a frustum-shaped ash hopper, it is characterized in that the A partition is arranged in the dust removal box, and the partition divides the inner cavity of the dust removal box into a top clean air chamber and a lower dust removal chamber. The clean air chamber is provided with an air outlet communicating with the outside world. The chamber is provided with an air inlet that communicates with the outside world, and the dust removal chamber is provided with a filter cartridge whose axis is parallel to the vertical direction, and a mounting hole is provided on the partition, and the upper end of the filter cartridge is fixed through the mounting hole. On the separator, a box cover is arranged above the clean air chamber, and a pulse blowing pipe is arranged vertically on the box cover, and the position of the pulse blowing pipe corresponds to the position of the filter cartridge one by one.

The working principle of this dust collector is: the dust-containing gas enters the dust removal chamber from the air inlet of the dust collector under the action of the external fan system. At this time, the dust in the dust-containing gas is adsorbed on the outer surface of the filter cartridge. The filtered clean gas enters the clean air cavity through the filter cartridge and is discharged from the air outlet; as the dust removal work progresses, the dust accumulated on the outer surface of the filter cartridge will accumulate more and more, and the filter cartridge needs to be cleaned. . Since the filter cartridge is arranged vertically and the position of the pulse blowing pipe is opposite to the filter cartridge, when the pulse blowing pipe is fed with compressed air to blow back, the dust outside the filter cartridge can be cleaned well; at the same time, due to the arrangement direction of the filter cartridge In the same direction as the gravity, the agglomerated dust on the outer surface of the filter cartridge can also quickly fall into the ash hopper below under the action of gravity, so that the filter cartridge can be completely cleaned. When the fan is turned on again to remove dust, it is beneficial to improve the dust removal effect of the dust collector.

In the above-mentioned dust collector, the filter cartridge includes a cylindrical body with a mesh peripheral surface, the outer peripheral surface of the body is covered with a filter cloth, and the outer peripheral surface of the filter cloth has several uniformly distributed along the circumferential direction. folds, the upper end of the body is fixed with a ring-shaped fixing seat, the body passes through the installation hole to make the fixing seat against the partition plate, the fixing seat is fixed with the partition plate through screws, and the body’s The lower end is fixed with a sealing head. The folds on the outer surface of the filter cartridge increase the adsorption area of the filter cartridge and improve the dust removal effect of the dust collector; at the same time, the disassembly and assembly between the filter cartridge and the partition is simple, and the replacement and maintenance are convenient.

As another solution, in the above-mentioned dust collector, the filter cartridge includes a trapezoidal frustum-shaped body with a mesh peripheral surface, the outer peripheral surface of the body is covered with a filter cloth, and the outer peripheral surface of the filter cloth has several pleats evenly distributed in the circumferential direction, the large end of the body is fixed with a ring-shaped fixing seat, the body passes through the installation hole to make the fixing seat against the partition plate, and the fixing seat is connected to the partition plate through screws Fixed connection, the small end of the body is fixed with a head. Since the dust-laden gas passes through the filter cartridge from bottom to top, the design of the trapezoidal truncated filter cartridge with the big end facing up is beneficial to increase the adsorption area of the filter cartridge, so that the dust removal effect of the dust collector is better.

In the above-mentioned dust remover, the air inlet is located on one side of the dust removal box, and the air outlet is located above the air inlet along the vertical direction. The air inlet and the air outlet are located on the same side of the dust removal box and on the same straight line, which is beneficial to increase the residence time of the dusty gas in the box, thereby improving the dust removal effect of the dust collector.

In the above-mentioned dust remover, the nozzle of the pulse blowing pipe is located above the filter cartridge, the center line of the pulse blowing pipe coincides with the center line of the filter cartridge, and the blowing of the pulse blowing pipe is controlled by a pulse electromagnetic valve. gas. When it is necessary to clean the filter cartridge, the pulse signal generator sends signals to the pulse solenoid valve one by one to control the pulse blowing pipe where the pulse solenoid valve is located to perform reverse blowing. The position design of the pulse blowing pipe and the filter cartridge makes the dust removal of the filter cartridge Better results.

In the above-mentioned dust remover, the space in the ash hopper communicates with the dust removal cavity, the bottom end of the ash hopper has a dust discharge port, and a dust discharge valve is arranged in the dust discharge port. When the dust in the ash hopper accumulates to a certain amount, open the ash discharge valve for ash discharge.

Compared with the prior art, this dust collector has the following advantages: 1. By setting the filter cartridge in the vertical direction, it avoids the second adsorption of dust on the filter cartridge when the pulse injection pipe blows air in the reverse direction, so that the filter cartridge The dust removal effect is more thorough, which is beneficial to improve the dust removal effect of the dust collector; 2. Set the filter cartridge along the vertical direction, as long as one end of the filter cartridge is fixed on the partition to complete the installation, and the filter cartridge and the partition are removed. It is easy to install and is conducive to replacement and maintenance.

Description of drawings

Figure 1 is a structural schematic view of the dust collector in one direction.

Figure 2 is a schematic view of the structure of the dust collector in another direction.

Figure 3 is a schematic diagram of the position distribution of the filter cartridge installed on the partition in the dust collector.

Fig. 4 is a schematic structural view of the filter cartridge in the first embodiment.

In the figure, 1. Dust removal box; 2. Leg; 3. Ash bucket; 4. Partition; 41. Installation hole; 5. Clean air chamber; 6. Dust removal chamber; 7. Air outlet; 8. Air inlet; 9 , filter cartridge; 91, body; 92, filter cloth; 93, fixed seat; 94, head; 10, box cover; 11, pulse injection pipe; 12, ash discharge valve.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

Embodiment one:

The dust collector includes a dust removal box 1, a foot 2, an ash hopper 3, a partition 4, an installation hole 41, a clean air chamber 5, a dust removal chamber 6, an air outlet 7, an air inlet 8, a filter cartridge 9, a body 91, and a filter cloth 92, fixed seat 93, sealing head 94, case cover 10, pulse injection pipe 11, ash unloading valve 12.

Specifically, as shown in Figures 1 and 2, the dust collector includes a dust removal box 1 and a foot 2 for supporting the dust removal box 1. The bottom of the dust removal box 1 is fixed with a frustum-shaped ash hopper 3, and inside the ash hopper 3 The space in the dust chamber communicates with the dust removal chamber 6, and the bottom end of the ash hopper 3 has an ash discharge port, and an ash discharge valve 12 is arranged in the ash discharge port. Inspection doors are respectively arranged on the side surfaces of the dust removal box 1 and the top surface of the box cover 10 . A partition 4 is arranged in the dust removal box 1, and the partition 4 divides the inner cavity of the dust removal box 1 into a clean air chamber 5 at the top and a dust removal chamber 6 at the lower part. The clean air chamber 5 is provided with an air outlet 7 communicating with the outside world. The dust removal chamber 6 is provided with an air inlet 8 communicating with the outside world, the air inlet 8 is located on one side of the dust removal box 1 , and the air outlet 7 is located above the air inlet 8 along the vertical direction.

The dust removal chamber 6 is provided with a filter cartridge 9 whose axis is parallel to the vertical direction. As shown in FIG. A case cover 10 is provided above the clean air chamber 5, and a pulse blowing pipe 11 is arranged vertically on the case cover 10, and the position of the pulse blowing pipe 11 corresponds to the position of the filter cartridge 9 one by one. The mouth of the pulse blowing pipe 11 is located above the filter cartridge 9, the center line of the pulse blowing pipe 11 coincides with the center line of the filter cartridge 9, and the pulse blowing pipe 11 is controlled to blow air by the pulse electromagnetic valve.

As shown in FIG. 4 , the filter cartridge 9 includes a cylindrical body 91 with a net-shaped peripheral surface. The outer peripheral surface of the main body 91 is covered with a filter cloth 92. The outer peripheral surface of the filter cloth 92 has several folds evenly distributed along the circumferential direction. The upper end of the body 91 is fixed with a ring-shaped fixing seat 93, the body 91 passes through the mounting hole 41 to make the fixing seat 93 lean against the partition plate 4, the fixing seat 93 is fixedly connected with the partition plate 4 by screws, and the lower end of the body 91 is fixed with Head 94.

Embodiment two:

The technical solution in this embodiment is basically the same as the technical solution in Embodiment 1, the difference is that in this embodiment, the filter cartridge 9 includes a trapezoidal frustum-shaped body 91 with a mesh peripheral surface, and the outer peripheral surface of the body 91 is covered A filter cloth 92 is provided, and the outer peripheral surface of the filter cloth 92 has several folds evenly distributed in the circumferential direction. The large end of the body 91 is fixed with a ring-shaped fixing seat 93, and the body 91 passes through the mounting hole 41 to make the fixing seat 93 lean against the On the partition 4 , the fixing seat 93 is fixedly connected with the partition 4 by screws, and the small end of the body 91 is fixed with a sealing head 94 .

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although this article uses more dust box 1, foot 2, ash hopper 3, partition 4, installation hole 41, clean air chamber 5, dust chamber 6, air outlet 7, air inlet 8, filter cartridge 9, body 91 , filter cloth 92, fixed seat 93, head 94, box cover 10, pulse blowing pipe 11, ash discharge valve 12 and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (6)

1. a dust collector, comprising a dust removal box (1) and a leg (2) for supporting the dust removal box (1), the bottom of the dust removal box (1) is fixed with a truncated cone-shaped ash hopper (3), which It is characterized in that a partition (4) is arranged inside the dust removal box (1), and the partition (4) separates the inner cavity of the dust removal box (1) into a top air cleaning chamber (5) and a lower dust removal chamber (6), the clean air chamber (5) is provided with an air outlet (7) communicating with the outside world, and the dust removal chamber (6) is provided with an air inlet (8) communicated with the outside world, and the dust removal chamber (6) is provided with a filter cartridge (9) whose axis is parallel to the vertical direction, and the partition plate (4) is provided with a mounting hole (41), and the upper end of the filter cartridge (9) passes through the mounting hole (41 ) is fixed on the clapboard (4), a box cover (10) is arranged above the clean air chamber (5), and a pulse blowing pipe (11) is arranged on the box cover (10) vertically, so that The position of the pulse blowing pipe (11) is in one-to-one correspondence with the position of the filter cartridge (9). 2. The dust collector according to claim 1, characterized in that, the filter cartridge (9) comprises a cylindrical body (91) with a mesh peripheral surface, and the outer peripheral surface of the body (91) is covered with a filter Cloth (92), the outer peripheral surface of the filter cloth (92) has several folds uniformly distributed along the circumferential direction, the upper end of the body (91) is fixed with a ring-shaped fixing seat (93), the body (91 ) through the mounting hole (41) to make the fixing seat (93) lean against the partition (4), the fixing seat (93) is fixedly connected with the partition (4) by screws, and the body (91) The lower end is fixed with end cap (94). 3. The dust collector according to claim 1, characterized in that, the filter cartridge (9) comprises a trapezoidal frustum-shaped body (91) with a mesh peripheral surface, and the outer peripheral surface of the body (91) is covered with Filter cloth (92), the outer peripheral surface of the filter cloth (92) has several folds evenly distributed in the circumferential direction, the big end of the body (91) is fixed with a ring-shaped fixing seat (93), the body ( 91) Pass the mounting hole (41) to make the fixing seat (93) lean against the partition (4), the fixing seat (93) is fixedly connected with the partition (4) by screws, and the body (91 ) is fixed with a head (94) at the small end. 4. The dust remover according to claim 1, 2 or 3, characterized in that, the air inlet (8) is located on one side of the dust removal box (1), and the air outlet (7) is located in the vertical direction Above the air inlet (8). 5. The dust remover according to claim 1, 2 or 3, characterized in that, the mouth of the pulse blowing pipe (11) is located above the filter cartridge (9), and the pulse blowing pipe (11) The centerline of the center line coincides with the center line of the filter cartridge (9), and the pulse blowing pipe (11) is controlled by a pulse electromagnetic valve to blow air. 6. The dust remover according to claim 1, 2 or 3, characterized in that the space in the ash hopper (3) communicates with the dust removal chamber (6), and the bottom end of the ash hopper (3) has a discharge The ash outlet, the ash unloading valve (12) is arranged in the ash unloading opening.