Natural gas filtering structure matched with natural gas pipeline for use

Abstract

The natural gas filtering structure comprises a filter, the lower end of the left side of the filter is communicated with a gas inlet pipe, the upper end of the right side of the filter is communicated with a gas outlet pipe, and mounting flanges are arranged on the left side of the gas inlet pipe and the right side of the gas outlet pipe. A sealing gasket is arranged on the outer side of the mounting flange, a fixing flange is arranged on the outer side of the sealing gasket, a connecting pipe is arranged on the outer side of the fixing flange, and the inner side of the connecting pipe is inserted into an inner cavity of the air inlet pipe and an inner cavity of the air outlet pipe. The connecting pipe has the advantages that the connecting pipe, the air inlet pipe and the air outlet pipe can be installed and communicated through the installation flange, the fixing flange, the sealing washer, the installation pin and the nut, and the sealing effect of the installation flange and the fixing flange is improved through the sealing washer; and the sealing effect of the air inlet pipe and the air outlet pipe is improved, and a rubber sealing gasket is used for sealing and protecting the sealing plug and the discharging pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas filter structure related technical field, concretely is a kind of natural gas filter structure with natural gas pipeline cooperation use. BACKGROUND

[0002] The transportation of natural gas is mainly pipeline transportation. Because natural gas contains impurities, it cannot be fully utilized during use. During pipeline transportation of natural gas, impurity particles in the pipeline need to be filtered.

[0003] The existing natural gas filter structure used with natural gas pipeline has poor filtering effect, and the impurities after cleaning are not easy to discharge, which affects the filtration of natural gas and cannot meet the use requirements, and long-term use affects the filtering effect.

[0004] Therefore, it is necessary to provide a natural gas filter structure used with natural gas pipeline to solve the above technical problems. The information disclosed in this background section is only intended to increase the understanding of the overall background of the utility model, and does not necessarily be regarded as acknowledging or implying that the information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a natural gas filter structure used with natural gas pipeline to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A natural gas filter structure used with natural gas pipeline, comprising a filter, a gas inlet pipe is communicated with the lower end of the left side of the filter, a gas outlet pipe is communicated with the upper end of the right side of the filter, a mounting flange is arranged on the left side of the gas inlet pipe and the right side of the gas outlet pipe, a sealing gasket is arranged on the outside of the mounting flange, a fixing flange is arranged on the outside of the sealing gasket, a connecting pipe is arranged on the outside of the fixing flange, the connecting pipe is inserted into the inner cavity of the gas inlet pipe and the gas outlet pipe, a glass fiber gas-liquid filter screen is arranged at the bottom of the filter cavity, a stainless steel ultra-fine filter screen is arranged at the top of the glass fiber gas-liquid filter screen, a discharge bin is communicated with the bottom of the filter, a discharge pipe is communicated with the bottom of the discharge bin, a sealing plug is threadedly connected to the bottom of the discharge pipe, and a sealing cover is installed through the bottom of the discharge pipe at the bottom of the sealing plug.

[0008] Preferably, a rubber sealing gasket is arranged at the bottom of the surface of the sealing plug, and the top of the rubber sealing gasket is in contact with the top of the discharge pipe.

[0009] Preferably, the outer side of the fixed flange is provided with mounting pins around, the inner side of the mounting pin penetrates the outer side of the mounting flange.

[0010] Preferably, the inner side of the mounting pin surface is provided with a nut, and the inner side of the nut is in contact with the outer side of the mounting flange.

[0011] Preferably, the outer side of the mounting flange and the sealing washer is provided with a through hole matched with the mounting pin.

[0012] Preferably, the material of the mounting flange and the material of the fixed flange are the same, and the mounting flange and the fixed flange are both stainless steel materials.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: through the setting of the mounting flange, the fixed flange and the sealing washer, the mounting pin and the nut, the connecting pipe, the air inlet pipe and the air outlet pipe can be installed and communicated, through the setting of the sealing washer, the sealing effect of the mounting flange and the fixed flange is increased, the sealing effect of the air inlet pipe and the air outlet pipe is also increased, through the rubber sealing pad, the sealing protection effect of the sealing plug and the discharge pipe is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic view of the natural gas filtering structure cooperating with the natural gas pipeline;

[0015] Figure 2 It is a filter structure sectional view of the natural gas filtering structure cooperating with the natural gas pipeline;

[0016] Figure 3 It is an air outlet pipe and connecting pipe structure development view of the natural gas filtering structure cooperating with the natural gas pipeline;

[0017] Figure 4 It is a top view of the air outlet pipe and connecting pipe structure of the natural gas filtering structure cooperating with the natural gas pipeline.

[0018] In the drawing: 1, filter; 2, air inlet pipe; 3, air outlet pipe; 4, mounting flange; 5, sealing washer; 6, fixed flange; 7, connecting pipe; 8, stainless steel superfine filter screen; 9, glass fiber gas-liquid filter screen; 10, discharge bin; 11, discharge pipe; 12, sealing plug; 13, sealing cover; 14, rubber sealing pad; 15, mounting pin. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of natural gas filtering structure technical scheme for cooperation with natural gas pipeline: including filter 1, the lower end of the left side of filter 1 is communicated with inlet pipe 2, the upper end of the right side of filter 1 is communicated with outlet pipe 3, the left side of inlet pipe 2 and the right side of outlet pipe 3 are all provided with mounting flange 4, the outside of mounting flange 4 is provided with sealing washer 5, the outside of sealing washer 5 is provided with fixed flange 6, the outside of fixed flange 6 is provided with connecting pipe 7, the inside of connecting pipe 7 is inserted into the inner cavity of inlet pipe 2 and outlet pipe 3, the bottom of filter 1 inner cavity is provided with glass fiber gas-liquid filter screen 9, the top of glass fiber gas-liquid filter screen 9 is provided with stainless steel superfine filter screen 8, the bottom of filter 1 is communicated with discharge bin 10, the bottom of discharge bin 10 is communicated with discharge pipe 11, the bottom of discharge pipe 11 is threadedly connected with sealing plug 12, sealing plug 12 is provided with sealing cover 13 penetrating the bottom of discharge pipe 11.

[0021] Further, the bottom of the surface of sealing plug 12 is provided with rubber sealing pad 14, the top of rubber sealing pad 14 is in contact with the top of discharge pipe 11, by the setting of stainless steel superfine filter screen 8, it has the characteristics of corrosion resistance, high temperature resistance and the like, is suitable for various harsh environments, can effectively remove impurities in natural gas, including rust, sand, water droplets and pipe wall spalling fragments and the like, these impurities can affect the quality and transportation safety of natural gas, can ensure the purity of natural gas, meet the quality requirements of users on natural gas.

[0022] Further, the periphery of the outside of fixed flange 6 is provided with mounting pin 15, the inside of mounting pin 15 penetrates the outside of mounting flange 4, by the setting of glass fiber gas-liquid filter screen 9, this filter screen is mainly used for occasions such as gas-liquid separation, gas mist separation, has the characteristics of acid and alkali resistance, high temperature resistance, good filtering effect and the like, solid particles, moisture and grease and other impurities can be mixed in natural gas during transportation, if these impurities are not removed in time, will cause damage to downstream equipment, affect its normal operation and service life.

[0023] Further, the inside of the surface of mounting pin 15 is provided with nut, and the inside of nut is in contact with the outside of mounting flange 4, glass fiber gas-liquid filter screen 9 can effectively filter out these impurities, protect downstream equipment from being damaged, so as to improve the service life of equipment.

[0024] Further, the fixing flange 6 is provided with through holes matched with the mounting pin 15 around the outer side of the mounting flange 4 and the sealing gasket 5, the sealing plug 12 is rotated by the sealing cover 13, the impurities generated in the filtering process are removed from one side of the discharge bin 10 by rotating the sealing plug 12 to move out of the discharge pipe 11, and the filtering effect of the later weather is prevented from being affected by the long-term accumulation of the impurities.

[0025] Further, the mounting flange 4 and the fixing flange 6 are made of the same material, and the mounting flange 4 and the fixing flange 6 are made of stainless steel, and the mounting flange 4, the fixing flange 6 and the sealing gasket 5 are matched with the mounting pin 15 and the nut, so that the connecting pipe 7, the air inlet pipe 2 and the air outlet pipe 3 are installed and communicated.

[0026] It should be noted that the utility model is a natural gas filtering structure used in cooperation with a natural gas pipeline, the stainless steel superfine filter screen 8 is provided, has the characteristics of corrosion resistance and high temperature resistance, is suitable for various harsh environments, can effectively remove impurities in natural gas, including rust, sand particles, water droplets and wall peeling fragments, etc., which may affect the quality and safety of natural gas transportation, can ensure the purity of natural gas, meet the requirements of users on the quality of natural gas, the glass fiber gas-liquid filter screen 9 is provided, the filter screen is mainly used for gas-liquid separation, gas mist separation and the like, has the characteristics of acid and alkali resistance, high temperature resistance and good filtering effect, and solid particles, moisture and grease and other impurities may be mixed in natural gas during the transportation process, if these impurities are not removed in time, the downstream equipment will be damaged, and the normal operation and service life are affected, the glass fiber gas-liquid filter screen 9 can effectively filter out these impurities, protect the downstream equipment from damage, thereby prolonging the service life of the equipment, the sealing plug 12 is rotated by the sealing cover 13, the impurities generated in the filtering process are removed from one side of the discharge bin 10 by rotating the sealing plug 12 to move out of the discharge pipe 11, and the filtering effect of the later weather is prevented from being affected by the long-term accumulation of the impurities.

[0027] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A natural gas filtration structure for use with natural gas pipelines, characterized in that: The utility model provides a filter (1), the lower extreme of left side of filter (1) is connected with air inlet pipe (2), the upper extreme of right side of filter (1) is connected with air outlet pipe (3), the left side of air inlet pipe (2) and the right side of air outlet pipe (3) are provided with mounting flange (4), the outside of mounting flange (4) is provided with sealing washer (5), the outside of sealing washer (5) is provided with fixed flange (6), the outside of fixed flange (6) is provided with connecting pipe (7), the inside of connecting pipe (7) inserts the inner chamber of air inlet pipe (2) and air outlet pipe (3), the bottom of filter (1) inner chamber is provided with glass fiber gas-liquid filter screen (9), the top of glass fiber gas-liquid filter screen (9) is provided with stainless steel superfine filter screen (8), the bottom of filter (1) is connected with discharge bin (10), the bottom of discharge bin (10) is connected with discharge pipe (11), the bottom of discharge pipe (11) is threadedly connected with sealing plug (12), the bottom of sealing plug (12) is installed sealing cover (13) through the bottom of discharge pipe (11).

2. A natural gas filtering structure for use in conjunction with a natural gas pipeline according to claim 1, characterized in that: The bottom of the surface of the sealing plug (12) is provided with a rubber sealing gasket (14), and the top of the rubber sealing gasket (14) is in contact with the top of the discharge pipe (11).

3. A natural gas filtering structure for use in conjunction with a natural gas pipeline according to claim 1, characterized in that: The outside of the fixed flange (6) is provided with a mounting pin (15) around, and the inside of the mounting pin (15) penetrates the outside of the mounting flange (4).

4. A natural gas filtering structure for use with a natural gas pipeline according to claim 3, wherein: The inside of the surface of the mounting pin (15) is provided with a nut, and the inside of the nut is in contact with the outside of the mounting flange (4).

5. A natural gas filtering structure for use in conjunction with a natural gas pipeline as defined in claim 3, wherein: The outside of the mounting flange (4) and the sealing washer (5) is provided with a through hole for cooperating with the mounting pin (15) around.

6. A natural gas filtering structure for use in conjunction with a natural gas pipeline according to claim 1, characterized in that: The material of the mounting flange (4) and the fixed flange (6) is the same, and the mounting flange (4) and the fixed flange (6) are both made of stainless steel.

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