CN214019707U - Bag type filtering device - Google Patents

Abstract

The utility model discloses a bag filter device, including the container, filter bag and protection section of thick bamboo, the container is equipped with the baffle, the baffle falls into air discharge chamber and filter chamber with the container, the air discharge chamber is equipped with the inlet pipe, the bottom of filter chamber is equipped with the discharging pipe, the filter chamber is equipped with conical and bilayer structure's protection section of thick bamboo, the protection section of thick bamboo is equipped with the filter bag, the filterable scope of filter bag is between 0.5-1000 mu m, the protection section of thick bamboo is conical, make marginal portion's fluid gradually filter with the contact of protection bag, reduce the direct impact to the filter bag, and the filter bag has gradient filtration, the filter effect is good.

Description

Bag type filtering device

Technical Field

The utility model relates to a filter technology field, in particular to bag filter equipment.

Background

The bag-type filter filters through the filter bag, and the filter is provided with an upright cylindrical container, so that fluid flows into the filter bag from top to bottom, and most of the fluid directly rushes to the filter bag, so that the filter bag is easily damaged, and the service life of the filter bag is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bag filter equipment is equipped with conical and bilayer structure's a protection section of thick bamboo for some fluid flows to the filter bag that is certain contained angle, reduces fluidic impact force, and the filter bag of having solved current filter easily receives direct impact, influences life's problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a bag type filtering device comprises a container, a filter bag and a protective barrel, wherein the container is provided with a partition board which divides the container into an exhaust chamber and a filtering chamber, the exhaust chamber is provided with a feeding pipe, and the bottom of the filtering chamber is provided with a discharging pipe;

the filter chamber is provided with a conical protective barrel with a double-layer structure, and the protective barrel is provided with a filter bag;

the filter bag can filter in the range of 0.5-1000 μm.

From this, fluid such as liquid or gas that need filter gets into the exhaust chamber from the admission pipe, then gets into the filter chamber, and the filter chamber is equipped with the filter bag, and the filter bag is placed in the protection section of thick bamboo, and the protection section of thick bamboo is the taper shape for marginal portion's fluid gradually filters with the contact of protection bag, reduces the direct impact to the filter bag, and the protection section of thick bamboo is bilayer structure, and intensity is good, does benefit to better protection filter bag.

In some embodiments, the filter bag has a gradient filtration structure.

In some embodiments, the partition is provided with a passage communicating the exhaust chamber with the filter chamber;

the protective cylinder is connected with the partition plate;

the protective cylinder is detachably arranged on the partition plate through a flange edge;

the top of the protection cylinder is also provided with a handle.

Therefore, the partition plate is used for forming the exhaust chamber and the filter chamber on one hand, and is used for placing the protection barrel on the other hand, and the connection mode of the protection barrel and the partition plate is detached so as to be convenient to install and replace.

In some embodiments, the filter chamber may house a plurality of filter bags.

From this, a plurality of filter bags can be placed in the straining chamber in order to increase filtration area, improve filtration quality and efficiency, and on the other hand is in the condition that filtration area is equivalent under, a plurality of filter bag settings do benefit to and practice thrift the space, and the structure is compacter, and the container is lighter for a short time.

In some embodiments, the containers may be arranged in multiple and parallel arrangements.

Therefore, the parallel connection container is beneficial to optimizing the arrangement of the pipelines, and the space is saved.

In some embodiments, a buffer is further disposed below the channel, and the buffer can buffer the impact force.

Therefore, the buffer piece can reduce the impact force of fluid to be filtered and reduce the impact on the filter bag.

In some embodiments, the buffer member is provided with a plurality of inclined circular ring pieces, the circular ring pieces are stacked, and central holes of the plurality of circular ring pieces form a narrowing flow channel.

Therefore, the inclined circular ring piece can break apart the fluid, and the impact force is reduced.

In some embodiments, the inclination angles of the plurality of circular ring pieces are different, and the included angles between the plurality of circular ring pieces and the axis are gradually reduced.

Therefore, the plurality of circular ring pieces are arranged in a stacked mode, the central hole of each circular ring piece is gradually reduced, a gradually reduced flow passage is formed, and fluid is gradually dispersed.

The utility model has the advantages that: the protective cylinder is conical and has a double-layer structure, so that part of fluid can flow to the filter bag at a certain included angle, and the impact force of the fluid is reduced;

moreover, the filter bag has a gradient filter structure, so that the filter effect is good;

moreover, a plurality of filter bags can be placed to filter equipment, and can the parallel connection between a plurality of filter equipment, improve the filter effect, improve suitability and flexibility.

Drawings

FIG. 1 is a schematic diagram of a bag filter arrangement according to the present invention;

FIG. 2 is a schematic view of a protective sleeve of a bag filter apparatus according to the present invention;

FIG. 3 is a block diagram of a parallel connection of bag filters of the present invention;

FIG. 4 is another block diagram of a bag filter arrangement according to the present invention;

wherein: 1-a container; 11-an exhaust chamber; 12-a filter chamber; 13-a feed pipe; 14-a discharge pipe; 15-a separator; 151-channel; 2, filtering the bag; 3-a protective cylinder; 31-flange edge; 32-a handle; 4-a buffer member; 41-ring piece; 5-valve body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a bag type filtering apparatus comprises a container 1, a filter bag 2 and a protective cylinder 3, wherein the container 1 is provided with a partition 15, the partition 15 divides the container 1 into an exhaust chamber 11 and a filtering chamber 12, the exhaust chamber 11 is provided with a feeding pipe 13, and the bottom of the filtering chamber 12 is provided with a discharging pipe 14;

the filter chamber 12 is provided with a conical protective barrel 3 with a double-layer structure, and the protective barrel 3 is provided with a filter bag 2;

the filter bag 2 can filter the particles within the range of 0.5-1000 μm;

further, the filter bag 2 has a gradient filter structure.

Further, the partition 15 is provided with a passage 151 for communicating the exhaust chamber 11 with the filter chamber 12;

the protective cylinder 3 is connected with the partition plate 15;

the protective cylinder 3 is detachably arranged on the partition plate 15 through a flange edge 31;

the top of the protection cylinder 3 is also provided with a handle 32.

To explain further, the filter chamber 12 can house a plurality of filter bags 2.

Further, the containers 1 may be arranged in a plurality and in parallel.

Further, a buffer member 4 is disposed below the channel 151, and the buffer member 4 can reduce the impact force.

Further, the buffer member is provided with a plurality of inclined circular ring pieces 41, the circular ring pieces 41 are stacked, and central holes of the circular ring pieces 41 form a gradually narrowed flow channel.

Further, the inclination angles of the circular ring pieces 41 are different, and the included angles between the circular ring pieces 41 and the axis gradually decrease.

The working principle is as follows:

this filter equipment can be applied to in fields such as petroleum product, chemical products, cosmetics, paint, printing ink, food and beverage, sewage, it includes container 1, and container 1 is equipped with air discharge chamber 11 and filter chamber 12, and air discharge chamber 11 is connected with inlet pipe 13, and filter chamber 12 is equipped with filter bag 2, and the bottom of filter chamber 12 is equipped with discharging pipe 14.

The filter bag 2 is placed in the protection cylinder 3, the protection cylinder 3 is detachably placed on the partition plate 15 through the flange edge 31, and the top of the protection cylinder 3 is provided with a handle 32.

The protective cylinder 3 can be cylindrical or conical, when the protective cylinder is conical, the protective cylinder 3 gradually narrows downwards, the corresponding filter bag 2 is also conical, the conical protective cylinder 3 is beneficial to reducing the impact force of partial fluid, namely, when the fluid flows downwards, the fluid at the edge part can form a certain included angle to prop against the conical wall of the filter bag 2 so as to flow downwards, and the filter bag 2 is prevented from being directly punched.

The protection cylinder 3 can be designed into a double-layer structure for improving the strength, namely has a two-layer metal plate structure, and the metal plate is provided with uniformly distributed hollow through holes and other structures.

The filter bag 2 can be set into various shapes, such as cylinder or cone, etc., the material of the filter bag 2 can be polypropylene, polyester, polyaramide, polytetrafluoroethylene, nylon, wool, etc., the filtering precision is 0.5-1000 μm, and preferably 0.5-200 μm; the selection is determined according to different media, temperature, chemical conditions, filtration efficiency and impurity content during filtration. The filter bag 2 can be manufactured by processes of sewing, hot melting and the like, and can form structures of surface filtration, deep filtration and the like, for example, a fiber needle felt filter bag 2, a three-dimensional loose porous structure is formed by fibers in the depth direction of the whole filter layer, and gradient filtration is formed from loosening to compacting from inside to outside, so that the fluid flux and the impurity holding capacity can be improved.

The filter device can be provided with a plurality of filter bags 2, the structure is more compact, the occupied area is smaller, the use is more convenient, the relay and the pressure rise are facilitated, the resources are saved, the filter efficiency is improved, and the filter device can be suitable for different filter precisions, such as rough filtration, intermediate filtration or fine filtration.

But parallel connection between the filter equipment, refer to fig. 3, every filter equipment's inlet pipe 13 is parallel connection, and discharging pipe 14 also is parallel connection to every inlet pipe 13 all is equipped with corresponding valve body 5 with every discharging pipe 14 department, and valve body 5 is used for opening and closes, also can flow regulation and control, and pipeline setting can be optimized in parallel connection, can realize the operation of not stopping a car, and the switching formula structure is more high-efficient, convenient, and the circulation is strong, and filtration efficiency is higher.

In order to further reduce the impact force of the fluid on the filter bag 2, a buffer member 4 may be provided, the buffer member 4 is composed of a plurality of inclined circular ring pieces 41, that is, like the frustum-shaped circular ring pieces 41, the central hole of the circular ring piece 41 is gradually reduced, so that each circular ring piece 41 gradually scatters the fluid, and the impact of the fluid on the filter bag 2 caused by the direct downward flow of the fluid is reduced, and the buffer member 4 may be connected to the partition plate 15 through screws or bolts, or may be connected to the partition plate 15 through a bracket.

What has been disclosed above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (8)

1. The bag type filtering device is characterized by comprising a container (1), a filter bag (2) and a protective barrel (3), wherein the container (1) is provided with a partition plate (15), the partition plate (15) divides the container (1) into an exhaust chamber (11) and a filtering chamber (12), the exhaust chamber (11) is provided with a feeding pipe (13), and the bottom of the filtering chamber (12) is provided with a discharging pipe (14);

the filter chamber (12) is provided with a conical protective cylinder (3) with a double-layer structure, and the protective cylinder (3) is provided with a filter bag (2);

the filtering bag (2) can filter the water with the filtering capacity ranging from 0.5 to 1000 mu m.

2. A bag filter arrangement according to claim 1, characterised in that the filter bag (2) has a gradient filter structure.

3. A bag filter arrangement according to claim 1, wherein the partition (15) is provided with a passage (151) communicating the air evacuation chamber (11) with the filter chamber (12);

the protective cylinder (3) is connected to the partition plate (15);

the protective cylinder (3) is detachably arranged on the partition plate (15) through a flange edge (31);

the top of the protection barrel (3) is also provided with a handle (32).

4. A bag filter arrangement according to claim 1, wherein the filter chamber (12) is adapted to receive a plurality of filter bags (2).

5. A bag filter according to claim 1, characterised in that the containers (1) can be arranged in a plurality and in parallel.

6. A bag filter as claimed in claim 3, wherein a buffer (4) is provided below the channel (151), said buffer (4) being adapted to absorb the impact force.

7. A bag filter as claimed in claim 6, wherein said buffer member is provided with a plurality of inclined ring segments (41), said ring segments (41) being arranged one above the other, and the central holes of said ring segments (41) forming a narrowing flow path.

8. A bag filter as claimed in claim 7, wherein said plurality of segments (41) are inclined at different angles and wherein said plurality of segments (41) are inclined at progressively smaller angles to the axis.

Images