CN211284282U - Gas filter for gas pressure regulating pry - Google Patents

Abstract

The utility model discloses a gas filter for a gas pressure regulating skid, which relates to the technical field of gas filters, and solves the problems that the filter element of the existing gas filter is short, the filter element filtering effect is not good, and the filter element replacement is inconvenient. The main technical scheme of the present invention is as follows: an air inlet pipe is arranged on the upper part of the left side wall of the filter case, an air outlet pipe is connected to the upper part of the right side wall of the filter case, and the left and right sides of the upper wall of the filter case are connected. A mounting ring is arranged symmetrically at the ends, a horizontal mounting plate is arranged in the lower part of the inner cavity of the filter housing, and a first filter element fixing ring and a second filter element fixing ring are respectively arranged in the middle of the left and right mounting rings. The upper part of the left side wall of a filter element fixing ring is provided with an air inlet through hole corresponding to the air inlet pipe, and the upper part of the right side wall of the second filter element fixing ring is provided with an air outlet through hole corresponding to the air outlet pipe. The inner parts of the filter element fixing ring and the second filter element fixing ring are filled with the first filter element and the second filter element respectively.

Description

A gas filter for gas pressure regulating skid

technical field

The utility model relates to the technical field of gas filtering devices, in particular to a gas filter used for gas pressure regulating skids.

Background technique

Gas filters are widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban, household and other gas fields. Gas filter is an indispensable device on the pipeline of conveying medium. It is usually installed at the inlet end of pressure reducing valve, hydraulic valve, positioning valve or other equipment to eliminate impurities in the medium and protect the normal use of valves and equipment. , reduce equipment maintenance costs.

However, in the prior art, the filter element of the gas filter is short, the filtering effect is not good, and the particulate impurities in the gas are easy to remain and adhere to the filter element, thereby slowing down the speed of the gas passing through the pipeline, resulting in the failure of the subsequent process, and the filter element. It is inconvenient to replace. To this end, we offer a gas filter for gas pressure regulating skids.

SUMMARY OF THE INVENTION

In view of this, the embodiment of the present invention provides a gas filter for gas pressure regulating skid, the main purpose of which is to solve the problems of the existing gas filter that the filter element is short, the filter element has a poor filtering effect, and the filter element is inconvenient to replace. . To achieve the above object, the utility model mainly provides the following technical solutions:

On the one hand, an embodiment of the present invention provides a gas filter for a gas pressure regulating skid, the gas filter for a gas pressure regulating skid comprising: a filter housing, the filter housing is set to have a preset The length of the cylindrical shape, the upper part of the left side wall of the filter housing is provided with an air inlet installation port, the air inlet installation port is provided with an internal thread and an air intake pipe is connected with the internal thread, and the right side of the filter housing is provided with an air inlet pipe. The lower part of the side wall is provided with an air outlet installation port, the air outlet installation port is provided with an inner thread and an air outlet pipe is connected with the inner thread, and an installation ring is formed in the middle part of the top of the filter housing and an annular filter screen is arranged inside, so One end of the air intake pipe disposed inside the filter housing is adapted to and in contact with the left side surface of the annular filter screen, the lower end of the filter housing is provided with a horizontal mounting plate horizontally, The plate is arranged on the upper side of the air outlet pipe, and the middle part of the horizontal installation plate is provided with an air outlet hole, the diameter of the air outlet hole is smaller than the inner diameter of the annular filter screen, and the middle part of the upper surface of the horizontal installation plate is arranged There is a filter screen installation part, the upper part of the filter screen installation part is formed with an annular installation groove that matches the annular filter screen, the annular filter screen penetrates the installation ring, and the lower end of the annular filter screen is connected to the annular filter screen. The groove bottom of the annular installation groove is in contact, the upper side of the installation ring is provided with a sealing cover, and the sealing cover is threadedly connected with the installation ring;

Wherein, one end of the air outlet pipe disposed inside the filter housing is provided with an air outlet filter screen, the bottom of the filter housing is provided with a sewage discharge pipe, and the middle part of the sewage discharge pipe is provided with a sewage discharge valve.

Optionally, the lower end of the inner side wall of the annular filter screen is fixedly provided with an annular fixing plate, the upper side of the annular fixing plate is provided with a second filter screen, and the second filter screen is in contact with the annular fixing plate. The density of the second filter screen is greater than the density of the annular filter screen;

Wherein, when the lower end of the annular filter screen is in contact with the groove bottom of the annular installation groove, the lower surface of the annular fixing plate is partially in contact with the upper surface of the annular installation groove.

Optionally, a limiting ring is provided in the middle of the outer side wall of the air inlet pipe and the air outlet pipe.

Optionally, a handle portion is provided in the middle of the upper surface of the sealing cover.

The embodiment of the present invention proposes a gas filter for gas pressure regulating skid. One end of the air inlet pipe extending to the filter housing is set in a shape that matches the side wall of the annular filter screen, and the filter housing has a When extending to the filter housing, its inner end is in contact with the side wall of the annular filter screen, and the gas can be directly introduced into the middle of the annular filter screen. The gas cannot be discharged through the air outlet pipe without being filtered by the annular filter screen, which ensures the reliability of the gas filtration to a certain extent. By arranging the filter screen mounting part with the annular installation groove on the horizontal installation plate, the lower end of the annular filter screen can be fixed in contact with the groove bottom of the annular installation groove, thereby ensuring the placement of the annular filter screen without any fixed connection method. , which can facilitate the replacement or installation of the annular filter screen, and can avoid the problem that after a period of use, the particulate impurities in the gas are easy to remain and adhere to the filter element, thereby slowing the speed of the gas passing through the pipeline and causing the subsequent process to fail.

Description of drawings

FIG. 1 is a schematic cross-sectional structural diagram of a gas filter for a gas pressure regulating skid provided by an embodiment of the present invention.

Detailed ways

In order to further illustrate the technical means and effects adopted by the present utility model to achieve the intended purpose of the utility model, in the following in conjunction with the accompanying drawings and preferred embodiments, a gas filter for gas pressure regulating skid proposed according to the present utility model is described below. The specific implementation, structure, features and effects thereof are described in detail as follows.

Example 1

As shown in FIG. 1 , the first embodiment of the present invention proposes a gas filter for a gas pressure regulating skid, and the gas filter for a gas pressure regulating skid includes: a filter housing 1, the filter housing 1. It is set in a cylindrical shape with a preset length. The upper left side wall of the filter housing 1 is provided with an air inlet installation port, and the air inlet installation port is provided with an inner thread and an air inlet pipe 2 is connected with the inner thread. The lower part of the right side wall of the filter housing 1 is provided with an air outlet installation port, the air outlet installation port is provided with an internal thread and an air outlet pipe 3 is threadedly connected to the inside of the air outlet installation port. The ring 4 is provided with an annular filter screen 5 inside, and one end of the air intake pipe 2 disposed inside the filter housing 1 is adapted to and in contact with the left side surface of the annular filter screen 5, and the filter The lower end of the device housing 1 is horizontally provided with a horizontal installation plate 6, the horizontal installation plate 6 is arranged on the upper side of the air outlet pipe 3, and an air outlet hole 7 is provided through the middle of the horizontal installation plate 6, and the outlet The hole diameter of the air hole 7 is smaller than the inner diameter of the annular filter screen 5 . The middle part of the upper surface of the horizontal installation plate 6 is provided with a filter screen installation part, and the upper part of the filter screen installation part is formed to match the annular filter screen 5 . The annular installation groove 8, the annular filter screen 5 penetrates the installation ring 4 and the lower end of the annular filter screen 5 is in contact with the groove bottom of the annular installation groove 8, and the upper side of the installation ring 4 is provided with a seal a cover 9, the sealing cover 9 is screwed with the mounting ring 4;

Wherein, one end of the air outlet pipe 3 disposed inside the filter housing 1 is provided with an air outlet filter screen 10, the bottom of the filter housing 1 is provided with a sewage discharge pipe 15, and the middle part of the sewage discharge pipe is provided with a sewage discharge pipe 15. Drain valve 16.

Specifically, the filter housing 1 is used to reliably filter the gas. When filtering, the gas enters the interior of the filter housing 1 through the intake pipe 2. During installation, in order to improve the filtering effect of the gas, the intake pipe 2 is extended. The end to the filter housing 1 is set in a shape that matches the side wall of the annular filter 5 , and when the filter housing 1 extends to the filter Wall contact, the gas can be directly introduced into the middle of the annular filter 5, so that the gas can be filtered through the annular filter 5 first. The lower end of the filter housing 1 is provided with a horizontal mounting plate A closed space separated from the air outlet pipe 3 is formed on the outside, that is, the gas cannot be discharged through the air outlet pipe 3 without being filtered by the annular filter 5, which ensures the reliability of gas filtration to a certain extent. The air outlet filter screen 10 is provided at the inner end, so that the gas can be further filtered before the air outlet, and the filtering effect of the gas can be improved. Since the annular filter screen 5 undertakes the main filtration work, after a period of use, the particulate impurities in the gas are easy to remain and adhere to the filter element, thereby slowing down the speed of the gas passing through the pipeline, making the subsequent process impossible. To clean or replace the filter screen 5, it is convenient to put the annular filter screen 5 into the interior of the filter housing 1 by setting the installation ring 4 on the top of the filter housing 1, and the annular installation groove 8 is arranged on the horizontal installation plate 6. The installation part of the filter screen can make the lower end of the ring filter screen 5 contact and fix with the groove bottom of the ring installation groove 8, so as to ensure the placement of the ring filter screen 5, and there is no fixed connection method, which can facilitate the installation of the ring filter screen 5. Replacement or installation, easy to use.

The embodiment of the present utility model proposes a gas filter for a gas pressure regulating skid. One end of the air inlet pipe 2 extending to the filter housing 1 is set in a shape that matches the side wall of the annular filter screen 5, and the filter housing When the body 1 extends to the filter housing 1, its inner end is in contact with the side wall of the annular filter 5, and the gas can be directly introduced into the middle of the annular filter 5. The horizontal mounting plate 6 and the outer side of the annular filter 5 form an The airtight space between the gas outlet pipes 3, that is, the gas cannot be discharged through the gas outlet pipe 3 without being filtered by the annular filter screen 5, which ensures the reliability of gas filtration to a certain extent. By arranging the filter screen mounting part with the annular installation groove 8 on the horizontal installation plate 6, the lower end of the annular filter screen 5 can be fixed in contact with the groove bottom of the annular installation groove 8, thereby not only ensuring the placement of the annular filter screen 5, but also There is no fixed connection method, which can facilitate the replacement or installation of the ring filter 5, and can avoid that after a period of use, the particulate impurities in the gas are easy to remain and adhere to the filter element, thereby slowing down the speed of the gas passing through the pipeline, resulting in subsequent processes. Unable to proceed.

Specifically, an annular fixing plate 11 is fixed on the lower end of the inner side wall of the annular filter screen 5, and a second filter screen 12 is arranged on the upper side of the annular fixing plate 11, and the second filter screen 12 is fixed with the annular The plate 11 is in contact and connected, and the density of the second filter screen 12 is greater than that of the annular filter screen 5; wherein, when the lower end of the annular filter screen 5 The lower surface of the annular fixing plate 11 is partially in contact with the upper surface of the annular mounting groove 8 . By arranging the second filter screen 12, the secondary filtration of the gas after passing through the annular filter screen 5 can be realized, the filtering effect can be improved, and the installation and disassembly of the second filter screen 12 are convenient, and the replacement and cleaning are convenient.

Specifically, a limiting ring 13 is provided in the middle of the outer side walls of the air inlet pipe 2 and the air outlet pipe 3. By setting the limit ring 13, it is convenient to limit the installation positions of the intake pipe 2 and the exhaust pipe 3.

Specifically, a handle portion 14 is provided in the middle of the upper surface of the sealing cover 9 . The setting of the handle part 14 is convenient for the staff to install or open the sealing cover 9.

It should be noted that, in the description of this specification, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description. , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention; the terms "connected", "installed", "fixed", etc. It should be understood in a broad sense, for example, "connection" may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. 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 above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (5)

1. The utility model provides a gas pressure regulating sled is with gas filter which characterized in that includes:

the filter shell is arranged in a cylindrical shape with a preset length, a supporting structure is arranged at the bottom of the filter shell, a transparent observation window is arranged on the front side wall of the filter shell, an air inlet mounting hole is formed in the upper portion of the left side wall of the filter shell, an internal thread is arranged on the air inlet mounting hole, an air inlet pipe is connected to the air inlet mounting hole through a thread, an air outlet mounting hole is symmetrically formed in the upper portion of the right side wall of the filter shell and the air inlet mounting hole, an internal thread is arranged on the air outlet mounting hole, an air exhaust pump body is arranged on the air outlet pipe, mounting rings are symmetrically arranged at the left end and the right end of the upper wall of the filter shell, sealing covers are detachably connected to the upper portions of the mounting rings, a horizontal mounting plate is arranged at the lower portion of an inner cavity of the filter shell, and, the air inlet pipe is arranged on the upper portion of the left side wall of the first filter element fixing ring, the air outlet pipe is arranged on the upper portion of the right side wall of the second filter element fixing ring, an air inlet through hole is formed in the air inlet pipe in a corresponding mode, a first fixing ring and a second fixing ring are symmetrically arranged on the upper portion of the horizontal mounting plate, the bottom of the first filter element fixing ring extends into the mounting groove in the middle of the first fixing ring, the bottom of the second filter element fixing ring extends into the mounting groove in the middle of the second fixing ring, a first filter element and a second filter element are respectively filled in the first filter element fixing ring and the second filter element fixing ring, and through holes are respectively formed in the horizontal mounting plate in a corresponding mode with the first filter element and the second;

the density of the second filter element is smaller than that of the first filter element, the inner end of the air inlet pipe is in contact with the edge of the air inlet through hole, and the inner end of the air outlet pipe is in contact with the edge of the air outlet through hole.

2. The gas filter for a gas pressure regulating lever according to claim 1,

the intake pipe with the outer end of outlet duct is provided with mounting flange respectively.

3. The gas filter for a gas pressure regulating lever according to claim 1,

and the middle parts of the outer side walls of the air inlet pipe and the air outlet pipe are respectively provided with a limiting ring.

4. The gas filter for a gas pressure regulating lever according to claim 1,

the middle part of the upper surface of the sealing cover is provided with an annular handle part.

5. The gas filter for a gas pressure regulating sled according to claim 4, further comprising:

the lower sides of the left and right mounting rings are respectively provided with a guide ring body, and the lower parts of the outer ends of the left and right guide ring bodies are respectively contacted with the upper parts of the inner ends of the air inlet pipe and the air outlet pipe.

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