CN220546733U - Multifunctional filter - Google Patents

Abstract

The utility model discloses a multifunctional filter, which includes a filter tank body and a tank cover, and also includes a cylindrical filter element and an activated carbon filter assembly. The activated carbon filter assembly includes a cylindrical inner frame and activated carbon filled in the cylindrical inner frame. Package, the upper end outer wall of the cylindrical inner frame is fixedly connected with a frame retaining ring, and the frame retaining ring is fixedly installed on the inner wall retaining ring inside the filter tank; the cylindrical filter element is clamped between the frame retaining ring and the tank cover In the upper cavity of the tank between them, the upper end of the filter tank is docked with an air inlet for communicating with the upper cavity of the tank, and the side wall of the filter tank is also docked with an outlet for communicating with the lower cavity of the tank. breath. The utility model has a reasonable structural design. The cylindrical filter element can effectively filter out impurities such as particles and dust, and absorb volatile materials through the activated carbon bag of the activated carbon filter assembly. The activated carbon filter assembly has a simple structure, is easy to assemble and manufacture, and is convenient for later maintenance. replace.

Description

A multifunctional filter

Technical field

The utility model relates to the technical field of gas filtering equipment, specifically a multifunctional filter.

Background technique

In the process of producing dry-type transformers, transformers, power insulation and other products, raw materials such as epoxy resin, curing agent, and silica powder are needed. These materials will be poured into the mold in a vacuum environment to form the final product. During the vacuuming process, some materials will volatilize and be removed by the vacuum pump along with the air flow. This material is corrosive to a certain extent and will shorten the service life of the vacuum pump. Therefore, it is necessary to add a filter to separate the volatilized materials, thereby Protect vacuum pump.

Most of the existing filters have a single filtration function. For example, the Chinese utility model patent (Authorization Announcement Number: CN216498386 U, Authorization Announcement Date: 2022.05.13) discloses a vacuum devolatilization filtration of polymer material extrusion equipment. device, this solution mainly adheres small molecular substances in volatile gases through baffles. The filtration method is relatively simple and has limited filtration effect on volatile gases. In addition, these filters can usually only filter a certain part of the suction gas. For a variety of materials (such as: only having the function of filtering dust particles or only having the function of filtering volatile gases), during the production and processing process, it is often necessary to add multiple filters and connect them in series to achieve good filtration effects. This is To a certain extent, it increases the cost of equipment configuration and takes up a relatively large amount of factory space, and subsequent maintenance and maintenance points will also increase.

Utility model content

The purpose of this utility model is to provide a multifunctional filter to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A multifunctional filter includes a filter tank body and a tank cover, and also includes a cylindrical filter element and an activated carbon filter assembly. The activated carbon filter assembly includes a cylindrical inner frame and an activated carbon bag filled in the cylindrical inner frame. A frame retaining ring is fixedly connected to the outer wall of the upper end of the frame, and the frame retaining ring is fixedly installed on the inner wall retaining ring inside the filter tank. The inner wall retaining ring divides the filter tank into an upper tank cavity and a lower tank cavity; The cartridge filter element is clamped in the upper cavity of the tank between the frame retaining ring and the tank cover. The upper end of the filter tank is docked with an air inlet for communicating with the upper cavity of the tank. The side wall of the filter tank There is also an air outlet for connecting the lower cavity of the tank.

Preferably, the bottom end of the filter tank is also provided with a slag discharge pipe for communicating with the lower cavity of the tank, and the side wall of the slag discharge pipe is also provided with a liquid discharge port butt jointly with it.

Preferably, the lower end surface of the tank cover is also fixedly connected with an intermediate pipe string, which passes through the internal channel hole of the cylindrical filter element and extends into the lower cavity of the tank. There are multiple fixed pipes distributed on the outer wall of the middle pipe column. Condensation fins.

Preferably, the cross-section of the condensation fin is in a "V" shape to facilitate interception and condensation of volatile gases.

Preferably, a plurality of liquid leakage holes are distributed on the lower side of the condensation fin to facilitate the discharge of volatile liquid.

Preferably, it also includes a cloth bag for being placed around the outer periphery of the activated carbon filter assembly, and the edge of the open end of the cloth bag is sandwiched between the frame retaining ring and the inner wall retaining ring. The gas filtration effect can be further improved through cloth bags.

Preferably, the upper end surface of the frame retaining ring is also integrally provided with a lower annular rib for limiting the lower end of the cylindrical filter element, and the lower end surface of the tank cover is also integrally provided with a lower end surface for limiting the upper end of the cylindrical filter element. The upper circular rib can realize the limited installation of the cartridge filter element.

Compared with the existing technology, the beneficial effects of this utility model are:

1. The structural design of this utility model is reasonable. Impurities such as particles and dust can be effectively filtered out through the cartridge filter element, and volatile materials are adsorbed through the activated carbon bag of the activated carbon filter component. The activated carbon filter component has a simple structure, is easy to assemble and manufacture, and is convenient for use. Later maintenance and replacement;

2. The activated carbon filter components are distributed and installed inside the filter tank. They cooperate with the cylindrical filter element so that the filter has a variety of material filtration functions while occupying a relatively small overall space;

3. Multiple "V" shaped condensation fins are used to intercept and condense volatile gases in the airflow. The condensed volatile liquid can fall to the lower end of the filter tank for accumulation and collection; it can be filtered again using cloth bags. Granular materials can also further intercept and condense volatile gases, thereby further improving the gas filtration effect.

Description of drawings

Figure 1 is a schematic three-dimensional structural diagram of a multifunctional filter;

Figure 2 is a schematic cross-sectional plan view of a multifunctional filter;

Figure 3 is a schematic cross-sectional view of a multifunctional filter.

In the picture: 1-filter tank body, 11-air inlet, 12-air outlet, 13-slag discharge pipe, 14-liquid drain port, 15-inner wall retaining ring, 2-cylindrical filter element, 3-tank cover, 31 -Middle pipe column, 32-condensation fins, 33-leak hole, 34-upper annular rib, 4-frame retaining ring, 41-cylindrical inner frame, 42-lower annular rib, 5-activated carbon bag, 6-cloth bag.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 to 3. A multifunctional filter includes a filter tank 1 and a tank cover 3, as well as a cartridge filter element 2 and an activated carbon filter assembly. The activated carbon filter assembly includes a cartridge inner frame 41 and a cartridge filled in the cartridge. The activated carbon bag 5 in the cylindrical inner frame 41 is fixedly connected with a frame retaining ring 4 on the upper end outer wall of the cylindrical inner frame 41. The frame retaining ring 4 is fixedly installed on the inner wall retaining ring 15 inside the filter tank 1. The inner wall retaining ring 4 The ring 15 divides the interior of the filter tank 1 into an upper chamber and a lower chamber;

The cartridge filter element 2 is clamped in the upper cavity of the tank between the frame retaining ring 4 and the tank cover 3. The upper end of the filter tank 1 is docked with an air inlet 11 for communicating with the upper cavity of the tank. , the side wall of the filter tank 1 is also provided with an air outlet 12 for communicating with the lower cavity of the tank. In this embodiment, the cylindrical filter element 2 may be a polyester-coated filter element, which can effectively filter out particles, dust and other impurities.

In this embodiment, in order to realize the position-limiting installation of the cylindrical filter element 2, the upper end surface of the frame retaining ring 4 is also integrally provided with a lower annular rib 42 for limiting the lower end of the cylindrical filter element 2. The tank The lower end surface of the cover 3 is also integrally provided with an upper annular rib 34 for limiting the upper end of the cartridge filter element 2 . During specific assembly, a soft foam gasket can be sandwiched between the upper end surface of the cylindrical filter element 2 and the lower end surface of the tank cover 3 to ensure that the upper and lower ends of the cylindrical filter element 2 are kept in a sealed state to avoid the leakage of some gas. After filtration, it directly enters the lower cavity of the tank.

The working principle of the utility model is: during specific operation, the air outlet 12 can be connected to a vacuum pump, and the vacuum pump is used to perform vacuuming operations. Under vacuum suction, the volatile gas in the mold will enter the filter tank 1 from the air inlet 11 In the upper cavity of the tank, the volatile gas first passes through the cylindrical filter element 2, enters the internal channel hole of the cylindrical filter element 2, and undergoes primary filtration to filter out particles, dust and other impurities;

Then, the gas in the internal channel holes flows downward, and the gas passes through the activated carbon bag 5 of the activated carbon filter assembly to undergo secondary filtration to adsorb volatile materials. Finally, the gas is discharged from the gas outlet 12.

The utility model has a reasonable structural design. Impurities such as particles and dust can be effectively filtered out through the cartridge filter element 2, and volatile materials are adsorbed through the activated carbon bag 5 of the activated carbon filter assembly. The activated carbon filter assembly has a simple structure, is easy to assemble and manufacture, and is convenient for use. Later maintenance and replacement; activated carbon filter components are distributed and installed inside the filter tank 1, which cooperates with the cartridge filter element 2, so that the filter has a variety of material filtration functions while occupying a relatively small overall space.

As a further solution, in order to facilitate the initial separation of particulate impurities and volatile liquid materials collected by filtration, the bottom end of the filter tank 1 is also provided with a slag discharge pipe 13 for conducting the lower chamber of the tank. A drain port 14 is also provided on the side wall of the slag pipe 13. In specific use, the bottom end of the slag discharge pipe 13 can be directly connected to the bottom slag discharge end cover, particulate impurities can be deposited on the bottom end of the slag discharge pipe 13, and the collected volatile liquid materials can be discharged from the liquid drain port 14.

As a further solution, in order to condense and collect volatile gases, an intermediate column 31 is fixedly connected to the lower end surface of the tank cover 3. The intermediate column 31 passes through the internal channel hole of the cartridge filter element 2 and extends into the tank. In the lower body cavity, a plurality of condensation fins 32 are distributed and fixed on the outer wall of the middle pipe column 31.

In this embodiment, the cross section of the condensation fin 32 is specifically in a "V" shape. In order to facilitate the discharge of volatile liquid, a plurality of leakage holes 33 are distributed on the lower side of the condensation fin 32 .

The volatile gases in the air flow are intercepted and condensed by multiple "V" shaped condensation fins 32, and the condensed volatile liquid can fall to the lower end of the filter tank 1 for accumulation and collection.

As a further solution, the present invention can also include a cloth bag 6 for being placed around the outer periphery of the activated carbon filter assembly. The edge of the open end of the cloth bag 6 is sandwiched between the frame retaining ring 4 and the inner wall retaining ring 15 .

After the air flow is filtered by the activated carbon filter assembly, the cloth bag 6 can be used to filter particulate materials again, and can further intercept and condense volatile gases, thereby further improving the gas filtration effect.

In this utility model, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" etc. The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. They are only relative words determined to facilitate the description of the structural relationship of various components or elements of the present utility model. They do not specifically refer to any component or component of the present utility model. It should be understood as a limitation of the present invention.

Claims (7)

1. The utility model provides a multifunctional filter, includes filtration jar body (1) and cover (3), its characterized in that: the filter comprises a filter tank body (1), and is characterized by further comprising a barrel type filter element (2) and an active carbon filter assembly, wherein the active carbon filter assembly comprises a barrel type inner frame (41) and an active carbon bag (5) filled in the barrel type inner frame (41), a frame body check ring (4) is fixedly connected to the outer wall of the upper end of the barrel type inner frame (41), the frame body check ring (4) is fixedly arranged on an inner wall baffle ring (15) in the filter tank body (1), and the inner wall baffle ring (15) divides the inner part of the filter tank body (1) into a tank body upper cavity and a tank body lower cavity;

the filter cartridge (2) is clamped in the upper cavity of the tank body between the frame retainer ring (4) and the tank cover (3), the upper end of the filter tank body (1) is in butt joint with an air inlet (11) used for being communicated with the upper cavity of the tank body, and the side wall of the filter tank body (1) is also in butt joint with an air outlet (12) used for being communicated with the lower cavity of the tank body.

2. A multifunctional filter according to claim 1, characterized in that: the bottom of the filtering tank body (1) is also provided with a slag discharging pipe (13) in butt joint for conducting the lower cavity of the tank body, and the side wall of the slag discharging pipe (13) is also provided with a liquid outlet (14) in butt joint.

3. A multifunctional filter according to claim 1, characterized in that: the lower end face of the tank cover (3) is fixedly connected with a middle pipe column (31), the middle pipe column (31) penetrates through an inner channel hole of the cylindrical filter element (2) and stretches into the lower cavity of the tank body, and a plurality of condensing fins (32) are fixedly distributed on the outer wall of the middle pipe column (31).

4. A multi-function filter according to claim 3, wherein: the cross section of the condensing fin (32) is V-shaped.

5. A multi-function filter as defined in claim 4, wherein: the lower side of the condensing fin (32) is also provided with a plurality of liquid leakage holes (33) in a distributed mode.

6. A multifunctional filter according to any one of claims 1-5, characterized in that: the filter also comprises a cloth bag (6) which is sleeved on the periphery of the active carbon filter component, and the edge of the opening end of the cloth bag (6) is clamped between the frame retainer ring (4) and the inner wall retainer ring (15).

7. A multi-function filter as defined in claim 6, wherein: the upper end face of the frame retainer ring (4) is also integrally provided with a lower annular flange (42) for limiting the lower end of the barrel type filter element (2), and the lower end face of the tank cover (3) is also integrally provided with an upper annular flange (34) for limiting the upper end of the barrel type filter element (2).