CN211513825U - Gas filtering device for micro-low pressure pipeline - Google Patents

Abstract

The utility model discloses a resource and environmental clean production technical field's a be used for little low pressure pipeline gas filtration device, include the seal box that comprises lower cover and upper cover, the filter screen has been inserted in the seal box, the filter screen adopts the net piece formula structure, through set screw looks fixed connection between lower cover and the upper cover, one side of seal box is equipped with the side strake, the side strake through housing screw with one side of seal box is sealed fixed, adopts net piece formula filter screen to filter, and the differential pressure can reach 1kpa at minimum around the filter screen after using, and the gas pressure after filtering satisfies production actual need completely, is applicable to the user equipment that has the requirement to the gas cleanliness factor, is convenient for take out the filter screen clearance and can repack and use, and the filter screen can be repeatedly used; the connection mode is flexible and convenient.

Description

Gas filtering device for micro-low pressure pipeline

Technical Field

The utility model relates to a clean production technical field of resource and environment specifically is a be used for little low pressure pipeline gas filter equipment.

Background

At present, a lot of industrial equipment is high-temperature and high-pressure equipment, various monitoring probes are installed in the high-temperature and high-pressure industrial equipment for ensuring the safe operation of the equipment, and clean gas is used for forced cooling for preventing the probes of the detection equipment from being burnt. In order to ensure the cleanliness of the gas, a filtering device is required to be arranged on the gas pipeline.

Although the types and the number of the conventional gas filtering devices are very large, the conventional gas filtering devices mainly comprise a Y-shaped filter, a basket type filter and a filter cartridge type filter, the filtering devices are generally used in gas pipelines with the pressure higher than low pressure, and the filters are used in micro-low pressure pipelines (0-50 kpa), so that the gas filtering devices cannot be normally used due to the fact that the differential pressure of filtered gas is large after passing through the filters, and the filtered gas pressure is low.

Based on this, the utility model discloses a be used for little low pressure pipeline gas filtering device uses and adopts the net piece formula filter screen to filter, and the differential pressure can reach 1kpa at minimum around using the back filter screen, filters the back gas pressure and satisfies production actual need completely to solve the above-mentioned problem of mentioning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for little low pressure pipeline gas filtering device to solve the problem that current filter can't use on little low pressure pipeline on the existing market.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for little low pressure pipeline gas filtering device, includes the seal box of compriseing lower cover and upper cover, the filter screen has been inserted in the seal box, the filter screen adopts the net piece formula structure, through set screw looks fixed connection between lower cover and the upper cover, one side of seal box is equipped with the side strake, the side strake pass through housing screw with one side of seal box is sealed fixed.

Preferably, the top of the upper cover is provided with a set screw for fixing the filter screen.

Preferably, one side of the screen frame outside the filter screen is provided with a bulge.

Preferably, the side edge strips are internally provided with inner grooves matched with the protrusions on the filter screen.

Preferably, the outer walls of the lower cover and the upper cover are provided with interfaces connected with the outlet pipeline, and the interfaces are of circular, square or special-shaped structures.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the detachable side edge strip, which is convenient for taking out the filter screen to clean and can be recycled, and the filter screen can be repeatedly used;

2. the stainless steel filter screen convenient to replace is arranged, so that users can select filter screens with different meshes according to self needs, and the application range is wide;

3. the utility model is provided with an assembled upper cover and a lower cover, the inlet and the outlet of the current application device are connected with a circular pipeline, a user can change the shape into a square or other special-shaped interface according to the actual requirement, and the connection mode is flexible and convenient;

4. this filter equipment adopts the net piece formula filter screen to filter, and the differential pressure can reach 1kpa at minimum around using back filter screen, and the gas pressure accomplishes and satisfies production actual need after filtering, is applicable to the user equipment that has the requirement to gas cleanliness factor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is the schematic structural diagram of the side bar of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. tightening the screw; 2. a set screw; 3. a compression screw; 4. filtering with a screen; 5. a side bar; 6. a lower cover; 7. an upper cover; 8. a protrusion; 9. an inner groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a be used for little low pressure pipeline gas filtering device, includes the seal box of compriseing lower cover 6 and upper cover 7, it has filter screen 4 to insert in the seal box, filter screen 4 adopts the net piece formula structure, and convenient to detach washs when the filter screen is filthy stifled, and filter screen 4 can select different filter screen mesh numbers according to gaseous filter fineness. The lower cover 6 and the upper cover 7 are fixedly connected through six M8 × 20 hexagon socket head cap fixing screws 2, a side edge strip 5 is arranged on one side of the sealing box, and the side edge strip 5 is fixed with one side of the sealing box in a sealing mode through four M5 × 16 hexagon socket head cap compression screws 3.

Wherein, the top of the upper cover 7 is provided with 4M 5 x 16 set screws 1 for fixing the filter screen 4, so as to prevent the filter screen 4 from shaking caused by the impact of air flow in the air pipeline.

Wherein, the outside screen frame one side of filter screen 4 is equipped with arch 8, adopts the flange form, is convenient for take out when the filter screen 4 differential pressure height need be cleared up during the operation. The filter screen is convenient to take out when needing to be cleaned, and the structural form of the filter screen is a screen sheet type.

Wherein, the side edge strip 5 is internally provided with an inner groove 9 matched with the bulge 8 on the filter screen 4, so that the side edge strip 5 is matched with the bulge of the filter screen 4.

The outer walls of the lower cover 6 and the upper cover 7 are provided with interfaces connected with the outlet pipeline, the interfaces are of circular, square or special-shaped structures, users can change the interfaces according to actual needs, and the connection mode is flexible and convenient.

The specific working principle is as follows:

the working principle is as follows: when using this gas filtering device, at first, gaseous 6 entering filter equipment from the lower cover, filter through net piece formula filter screen 4, and qualified gaseous 7 discharges from the upper cover after the filtration get into user equipment, and this filter equipment uses holding screw 1 to fix filter screen 4, avoids the air current to the filter screen impact in the pipeline.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a be used for little low pressure pipeline gas filter equipment which characterized in that: include the seal box of constituteing by lower cover (6) and upper cover (7), filter screen (4) have been inserted in the seal box, filter screen (4) adopt the net piece formula structure, through set screw (2) looks fixed connection between lower cover (6) and upper cover (7), one side of seal box is equipped with side strake (5), side strake (5) through housing screw (3) with one side of seal box is sealed fixed.

2. A gas filtration unit for use in micro-low pressure pipelines according to claim 1, wherein: the top of the upper cover (7) is provided with a set screw (1) for fixing the filter screen (4).

3. A gas filtration unit for use in micro-low pressure pipelines according to claim 1, wherein: and one side of the screen frame outside the filter screen (4) is provided with a bulge (8).

4. A gas filtration unit for use in micro-low pressure pipelines according to claim 1, wherein: the side edge strips (5) are internally provided with inner grooves (9) matched with the bulges (8) on the filter screen (4).

5. A gas filtration unit for use in micro-low pressure pipelines according to claim 1, wherein: the outer walls of the lower cover (6) and the upper cover (7) are provided with interfaces connected with an outlet pipeline, and the interfaces are of circular, square or special-shaped structures.

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