Quick-opening type filter device for natural gas conveying pipeline

Abstract

The utility model discloses a quick-opening type filter device for natural gas delivery pipeline, which comprises a first shell and a second shell, the second shell is provided with a connecting block, the connecting block is provided with a jacking groove, a fixed block is arranged in the jacking groove through a jacking mechanism, the first shell is provided with a connecting groove corresponding to the connecting block, and the first shell is provided with a fixed block through a jacking mechanism. A fixing hole corresponding to the fixing block is formed in the upper end face of the first shell, an air inlet pipe and an air outlet pipe are arranged on the first shell and the second shell respectively, and a rotating ring is arranged between the air inlet pipe and the air outlet pipe. In the natural gas conveying process, continuous and stable filtering is the key to guarantee pipeline safety and natural gas quality. Two filter screens distributed at equal intervals in the circumferential direction are arranged on a rotating ring in the device, one filter screen is in a working state for filtering, and the other filter screen is used for standby application. By means of the design, when the filter screen in use needs to be replaced or maintained, operation of the natural gas conveying pipeline does not need to be stopped.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field especially relates to be used for natural gas delivery pipeline's quick -opening type filter device. BACKGROUND

[0002] Natural gas pipeline is the key infrastructure of energy delivery, which is specially used for transporting natural gas from mining or processing plant to city gas distribution center or industrial enterprise user. In the process of natural gas delivery, in order to guarantee the safe and stable operation of pipeline and the quality of natural gas, the impurities possibly existing in it need to be effectively treated, at this time, quick -opening type filter device plays an important role. One of the remarkable features of quick -opening type filter device is that special buckle, bolt that can be quickly disassembled or other types of convenient connecting device are used, so that the operating personnel can quickly and easily open the shell when needing to maintain or check filter device, quickly contact each component inside, especially the key components such as cleaning mechanism.

[0003] However, the quick -opening type filter device commonly seen in the current market has certain limitations. In its internal structure, multiple cleaning components are often not set. This design defect leads to the whole natural gas delivery pipeline must be in the stop state when maintaining or replacing the currently used cleaning component. This not only will have an impact on the continuity of natural gas supply, but also in some industrial production scenarios with extremely high requirements for natural gas supply stability, may cause a series of production problems, increase the operating cost and safety risk of enterprises. Therefore, in the subsequent improvement of quick -opening type filter device, optimizing the configuration of cleaning component to realize maintenance without stopping, is an important problem to be solved. In order to improve it, a new quick -opening type filter device for natural gas delivery pipeline is proposed. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the shortcomings existing in the prior art, and proposes a quick -opening type filter device for natural gas delivery pipeline.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a quick -open type filter device for natural gas delivery pipeline, including first casing and second casing, be equipped with the link block on second casing, be equipped with the upper top groove on link block, be equipped with fixed block through the upper top mechanism in upper top groove, be equipped with the link groove corresponding with fixed block on first casing, the fixed hole corresponding with fixed block is equipped on first casing upper end surface, be equipped with air inlet pipe and air outlet pipe respectively on first casing and second casing, be equipped with the rotating ring between air inlet pipe and air outlet pipe, first casing and second casing all are equipped with rotating mouth, be equipped with filter screen through the installation mouth on rotating ring, be equipped with the hidden groove on rotating ring, be equipped with T shaped positioning rod through the dragging mechanism in hidden groove, be equipped with the positioning groove corresponding with T shaped positioning rod on filter screen, be equipped with the rotating disc through rotating shaft on first casing, rotating shaft is connected with rotating ring through rotating mechanism.

[0007] Preferably, the upper top mechanism includes an upper top spring disposed in the upper top groove, both ends of the upper top spring being connected with the outer wall of the fixed block and the inner wall of the upper top groove respectively.

[0008] Preferably, the dragging mechanism includes a dragging spring disposed on the outer part of the rod of the T-shaped positioning rod, both ends of the dragging spring being connected with the outer wall of the head of the T-shaped positioning rod and the inner wall of the hidden groove respectively.

[0009] Preferably, the rotating mechanism includes a rotating frame mounted on the rotating shaft, the rotating frame being connected with the rotating ring.

[0010] Preferably, the rotating disc is provided with a gripping rod, the gripping rod being rotatably connected with the rotating disc.

[0011] Preferably, the number of filter screens on the rotating ring is two, the two filter screens being distributed at equal intervals in the circumferential direction of the rotating ring.

[0012] The utility model discloses a quick -open type filter device for natural gas delivery pipeline, including first casing and second casing, be equipped with the link block on second casing, be equipped with the upper top groove on link block, be equipped with fixed block through the upper top mechanism in upper top groove, be equipped with the link groove corresponding with fixed block on first casing, the fixed hole corresponding with fixed block is equipped on first casing upper end surface, be equipped with air inlet pipe and air outlet pipe respectively on first casing and second casing, be equipped with the rotating ring between air inlet pipe and air outlet pipe, first casing and second casing all are equipped with rotating mouth, be equipped with filter screen through the installation mouth on rotating ring, be equipped with the hidden groove on rotating ring, be equipped with T shaped positioning rod through the dragging mechanism in hidden groove, be equipped with the positioning groove corresponding with T shaped positioning rod on filter screen, be equipped with the rotating disc through rotating shaft on first casing, rotating shaft is connected with rotating ring through rotating mechanism.

[0013] The following is a more detailed description of the two beneficial effects:

[0014] 1、In the natural gas delivery process, the continuous and stable filtration is the key to ensure the safety of the pipeline and the quality of natural gas. The device is equipped with two circumferentially equidistantly distributed filter screens on the rotating ring, one of which is in working condition for filtration, and the other serves as a backup. This design allows the natural gas delivery pipeline to continue running without stopping when the filter screen in use needs to be replaced or maintained.

[0015] 2、The convenient disassembly and assembly characteristics of the filter screen significantly improve the maintainability of the equipment. When the filter screen needs to be cleaned or replaced, for the filter screen below and outside the first casing and the second casing, only the head of the T-shaped positioning rod needs to be pulled to overcome the elastic force of the dragging spring, so that the rod of the T-shaped positioning rod is separated from the positioning groove, and the installation of the filter screen is released.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application;

[0017] Figure 2 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application; Figure 1 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application;

[0018] Figure 3 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application; Figure 2 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application;

[0019] Figure 4 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application. Figure 2 Structure diagram of the quick-open filter device for natural gas conveying pipeline provided by the present application.

[0020] In the figure: 1 first shell, 2 second shell, 3 air inlet pipe, 4 air outlet pipe, 5 rotating disc, 6 gripping rod, 7 rotating shaft, 8 rotating frame, 9 rotating ring, 10 rotating port, 11 filter screen, 12 hidden groove, 13 T-shaped positioning rod, 14 positioning groove, 15 connecting block, 16 connecting groove, 17 upper top groove, 18 fixed block, 19 fixed hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0022] With reference to Figures 1-4

[0023] The quick-open filter device for natural gas conveying pipeline comprises a first shell 1 and a second shell 2. The second shell 2 is provided with a connecting block 15, and the first shell 1 is provided with a connecting groove 16 corresponding to the connecting block 15. The connecting block 15 is provided with an upper top groove 17. The upper top groove 17 is provided with a fixed block 18 through an upper top mechanism. The upper end surface of the first shell 1 is provided with a fixed hole 19 corresponding to the fixed block 18. The upper top mechanism comprises an upper top spring arranged in the upper top groove 17. The two ends of the upper top spring are connected with the outer wall of the fixed block 18 and the inner wall of the upper top groove 17, respectively. After the connecting block 15 enters the connecting groove 16, the fixed block 18 enters the fixed hole 19, so that the stable connection of the first shell 1 and the second shell 2 can be realized. When the fixed block 18 is separated from the fixed hole 19 and the connecting block 15 is separated from the connecting groove 16, the convenient disassembly of the first shell 1 and the second shell 2 can be realized.

[0024] The first shell 1 and the second shell 2 are respectively provided with an air inlet pipe 3 and an air outlet pipe 4, and the air inlet pipe 3 and the air outlet pipe 4 are provided with a rotating ring 9, the first shell 1 and the second shell 2 are provided with rotating openings 10, the rotating ring 9 is provided with filter screens 11 through mounting openings, the rotating ring 9 is provided with hidden grooves 12, the hidden grooves 12 are provided with T-shaped positioning rods 13 through a dragging mechanism, the filter screens 11 are provided with positioning grooves 14 corresponding to the T-shaped positioning rods 13, the dragging mechanism comprises a dragging spring arranged outside the rod portion of the T-shaped positioning rod 13, and the two ends of the dragging spring are connected with the outer wall of the head portion of the T-shaped positioning rod 13 and the inner wall of the hidden groove 12 respectively, and the elastic potential provided by the dragging spring can realize dragging of the T-shaped positioning rod 13, so that the rod portion of the T-shaped positioning rod 13 is stably arranged in the positioning groove 14, thereby ensuring that the filter screen 11 cannot be separated from the mounting opening, and the head portion of the T-shaped positioning rod 13 is circularly designed, the rod portion of the T-shaped positioning rod 13 is in the shape of a rectangular column, and the positioning groove 14 is also in the shape of a rectangular column, so that the filter screen 11 cannot rotate in the mounting opening.

[0025] The first shell 1 is provided with a rotating disc 5 through a rotating shaft 7, and the rotating shaft 7 is connected with the rotating ring 9 through a rotating mechanism. The rotating disc 5 is provided with a gripping rod 6, and the gripping rod 6 is rotatably connected with the rotating disc 5. The friction between the rotating shaft 7 and the first shell 1 is large, so that the rotating shaft 7 cannot rotate on the first shell 1 without external force.

[0026] The rotating mechanism comprises a rotating frame 8 arranged on the rotating shaft 7, and the rotating frame 8 is connected with the rotating ring 9.

[0027] The number of the filter screens 11 on the rotating ring 9 is two, and the two filter screens 11 are distributed at equal intervals in the circumferential direction of the rotating ring 9. Two filter screens are arranged to be used one by one.

[0028] When the utility model is used:

[0029] The first shell 1 and the second shell 2 are connected through the cooperation of the connecting blocks 15 and the connecting grooves 16. When disassembly is needed, the fixed blocks 18 are separated from the fixed holes 19, and then the connecting blocks 15 are pulled out of the connecting grooves 16, so that the first shell 1 and the second shell 2 can be conveniently disassembled.

[0030] The first shell 1 and the second shell 2 are respectively provided with an air inlet pipe 3 and an air outlet pipe 4, and the air inlet pipe 3 and the air outlet pipe 4 are provided with a rotating ring 9, the rotating ring 9 is provided with a mounting opening for mounting filter screens 11, and the operation can be completed by relying on the filter screens 11. The rotating ring 9 is provided with two filter screens 11 distributed at equal intervals in the circumferential direction (one is used and one is reserved). When the filter screens 11 need to be cleaned or replaced, the rotating disc 5 is rotated by holding the gripping rod 6, the rotating ring 9 is rotated through the rotating mechanism, and then the filter screen 11 in use can be rotated away from the working position for maintenance or replacement.

[0031] The filter screen 11 at the lower part is also outside the first shell 1 and the second shell 2, in this state, the head of the T-shaped positioning rod 13 can be pulled to make the rod part of the T-shaped positioning rod 13 disengage from the positioning groove 14, then the installation of the filter screen 11 is released, so that the filter screen 11 is convenient to disassemble and assemble, and then the screen hole of the filter screen 11 is convenient to clean thoroughly or replace.

[0032] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A quick-opening filter device for natural gas transmission pipelines, comprising a first housing (1) and a second housing (2), characterized in that, The second shell (2) is provided with a connecting block (15), the connecting block (15) is provided with an upper top groove (17), the upper top groove (17) is provided with a fixed block (18) through an upper top mechanism, the first shell (1) is provided with a connecting groove (16) corresponding to the connecting block (15), the upper end surface of the first shell (1) is provided with a fixed hole (19) corresponding to the fixed block (18), the first shell (1) and the second shell (2) are respectively provided with an air inlet pipe (3) and an air outlet pipe (4), the air inlet pipe (3) and the air outlet pipe (4) are provided with a rotating ring (9), the first shell (1) and the second shell (2) are provided with rotating openings (10), the rotating ring (9) is provided with a filter screen (11) through a mounting opening, the rotating ring (9) is provided with a hidden groove (12), the hidden groove (12) is provided with a T-shaped positioning rod (13) through a dragging mechanism, the filter screen (11) is provided with a positioning groove (14) corresponding to the T-shaped positioning rod (13), the first shell (1) is provided with a rotating disc (5) through a rotating shaft (7), and the rotating shaft (7) is connected with the rotating ring (9) through a rotating mechanism.

2. The quick-opening strainer device for a natural gas transmission pipeline according to claim 1, characterized in that, The upper top mechanism comprises an upper top spring arranged in the upper top groove (17), and the two ends of the upper top spring are connected with the outer wall of the fixed block (18) and the inner wall of the upper top groove (17) respectively.

3. The quick-opening strainer device for a natural gas transmission pipeline according to claim 2, characterized in that, The dragging mechanism comprises a dragging spring arranged outside the rod portion of the T-shaped positioning rod (13), and the two ends of the dragging spring are connected with the outer wall of the head portion of the T-shaped positioning rod (13) and the inner wall of the hidden groove (12) respectively.

4. The quick-opening strainer device for natural gas transmission pipelines according to claim 3, characterized in that, The rotating mechanism comprises a rotating frame (8) mounted on the rotating shaft (7), and the rotating frame (8) is connected with the rotating ring (9).

5. The quick-opening strainer device for natural gas transmission pipelines according to claim 4, characterized in that, The rotating disc (5) is provided with a gripping rod (6), and the gripping rod (6) is rotatably connected with the rotating disc (5).

6. The quick-opening strainer device for natural gas transmission pipelines according to claim 5, characterized in that, The number of filter screens (11) on the rotating ring (9) is two, and the two filter screens (11) are distributed at equal intervals in the circumferential direction of the rotating ring (9).

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