A scattered natural gas pressure reduction pretreatment device

Abstract

The utility model relates to natural gas pressure reduction technical field discloses a kind of scattered natural gas pressure reduction pretreatment device, including base, the inner wall of base is uniformly fixedly connected with support seat, the top of support seat is installed with gas pipe passage, one side of gas pipe passage is fixedly connected with inlet pipe, the other side of gas pipe passage is fixedly connected with outlet pipe, one end of inlet pipe is equipped with hollow tube by flange cooperation, the middle part of hollow tube is fixedly connected with spherical shell, the top of spherical shell is installed with motor, the output of motor is fixedly connected with shaft, the bottom end of shaft is rotatably connected in the bottom of spherical shell. In the utility model, by being provided with filter screen in the flow guide hole of ball, solid impurity particles in the high-pressure gas entering gas pipe passage can be effectively intercepted, ensure that the natural gas flowing into gas pipe passage for pressure reduction treatment is relatively pure, reduce the potential influence of impurities on subsequent pressure reduction treatment process and equipment.

Description

Technical Field

[0001] This utility model relates to the field of natural gas depressurization technology, and in particular to a device for pre-treatment of scattered natural gas depressurization. Background Technology

[0002] Scattered natural gas refers to small gas sources that are scattered and difficult to collect. It mainly includes gas extracted from marginal gas fields, residual gas transported through pipelines, and natural gas that has not been collected and utilized. Scattered natural gas is often stored or transported under high pressure, while downstream equipment, such as boilers, household gas stoves, and pipelines, is usually designed to operate at lower pressures. Directly inputting high-pressure gas can lead to equipment overload, pipeline rupture, or even explosions. Depressurization of scattered natural gas is a key step in ensuring its safe and efficient utilization.

[0003] Existing methods for reducing natural gas pressure typically involve using a pressure-reducing skid to gradually reduce the pressure of the gas. However, the inlet pipes of these skids often lack a filter structure. Since natural gas often contains solid particulate impurities, if the inlet pipe lacks a filter structure, these impurities will be carried into the interior of the pressure-reducing skid by the high-pressure gas, directly impacting and wearing down critical components such as pipes, valves, and seals. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a scattered natural gas pressure reduction pretreatment device, which aims to improve the problem that the inlet pipe of the existing pressure reduction skid lacks a filter structure. Since natural gas often contains solid particulate impurities, if the inlet pipe has no filter structure, these impurities will enter the interior of the pressure reduction skid under high pressure and directly impact and wear critical components such as pipes, valves, and seals.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a scattered natural gas pressure reduction pretreatment device, comprising a base, with support seats uniformly fixedly connected to the inner wall of the base, a gas pipe channel installed on the top of the support seats, an inlet pipe fixedly connected to one side of the gas pipe channel, and an outlet pipe fixedly connected to the other side of the gas pipe channel, a hollow pipe installed at one end of the inlet pipe through a flange, a spherical shell fixedly connected to the middle of the hollow pipe, a motor installed on the top of the spherical shell, a rotating shaft fixedly connected to the output end of the motor, the bottom end of the rotating shaft rotatably connected to the bottom of the spherical shell, a sphere fixedly connected to the middle of the rotating shaft, the sphere being disposed inside the spherical shell, a guide hole being opened inside the sphere, a filter screen being disposed inside the guide hole of the sphere, and a cleaning component being disposed on the outer wall of the spherical shell.

[0006] By adopting the above technical solution, before the high-pressure gas enters the inlet pipe, a filter screen is installed in the guide hole of the sphere to effectively intercept solid impurity particles in the high-pressure gas entering the gas pipe channel, ensuring that the natural gas flowing into the gas pipe channel for depressurization is relatively pure and reducing the potential impact of impurities on the subsequent depressurization process and equipment.

[0007] When cleaning impurities adhering to the surface of the filter screen, the motor operates, causing the rotating shaft to drive the ball to rotate, which in turn causes the guide hole and the filter screen to rotate as well. The guide hole rotates to connect with the cleaning pipe and the slag discharge pipe. The cleaning pipe is controlled by a solenoid valve and can be connected to compressed air or clean gas to backflush the inside of the ball shell, blowing the impurities adhering to the filter screen into the slag discharge pipe, where they are collected by a collection bag.

[0008] Preferably, the cleaning assembly includes a cleaning tube, one end of which is fixedly connected to the outer wall of the spherical shell, and a solenoid valve is provided on the outer wall of the cleaning tube.

[0009] Preferably, a slag discharge pipe is fixedly connected to one side of the spherical shell, a rotating cap is threaded to one end of the slag discharge pipe, and a collection bag is fixedly connected to one side of the rotating cap.

[0010] Preferably, an inlet ball valve is symmetrically arranged on one side of the air passage near the inlet pipe, and an outlet ball valve is symmetrically arranged on one side of the air passage near the outlet pipe.

[0011] Preferably, pressure regulators are symmetrically arranged on the outer wall of the tracheal passage.

[0012] Preferably, pressure reducing valves are symmetrically arranged on the top side of the tracheal passage.

[0013] Preferably, pressure gauges are symmetrically arranged on the outer wall of the tracheal passage.

[0014] Preferably, the diameter of the filter screen is the same as the diameter of the guide hole.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, before the high-pressure gas enters the inlet pipe, a filter screen is installed in the guide hole of the sphere to effectively intercept solid impurity particles in the high-pressure gas entering the gas pipe channel, ensuring that the natural gas flowing into the gas pipe channel for depressurization treatment is relatively pure and reducing the potential impact of impurities on the subsequent depressurization treatment process and equipment.

[0017] 2. In this utility model, when it is necessary to clean the impurities attached to the surface of the filter screen, the motor operates to make the rotating shaft drive the ball to rotate, which in turn causes the guide hole and the filter screen to rotate as well. The guide hole rotates to connect with the cleaning pipe and the slag discharge pipe. The cleaning pipe is controlled by a solenoid valve and can be connected to compressed air or clean gas to backflush the inside of the ball shell, blowing the impurities attached to the filter screen into the slag discharge pipe and being collected by the collection bag. This closed cleaning method can prevent impurities from falling randomly and causing secondary pollution to the environment. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a scattered natural gas depressurization pretreatment device proposed in this utility model;

[0019] Figure 2 This is a partial structural diagram of the gas pipeline channel of a scattered natural gas depressurization pretreatment device proposed in this utility model;

[0020] Figure 3 This is a partial structural diagram of the hollow tube of a scattered natural gas depressurization pretreatment device proposed in this utility model;

[0021] Figure 4 This is a partial structural diagram of the spherical shell of a scattered natural gas depressurization pretreatment device proposed in this utility model;

[0022] Figure 5 This is a partial structural diagram of the cleaning pipe of a scattered natural gas depressurization pretreatment device proposed in this utility model;

[0023] Figure 6 This is a schematic diagram of a partial spherical structure of a scattered natural gas depressurization pretreatment device proposed in this utility model.

[0024] Legend:

[0025] 1. Base; 2. Support base; 3. Air pipe channel; 4. Air inlet pipe; 5. Air outlet pipe; 6. Flange; 7. Hollow pipe; 8. Spherical shell; 9. Motor; 10. Shaft; 11. Spherical body; 12. Flow guide hole; 13. Filter screen; 14. Cleaning pipe; 15. Slag discharge pipe; 16. Rotary cap; 17. Collection bag; 18. Inlet ball valve; 19. Pressure regulator; 20. Pressure reducing valve; 21. Outlet ball valve; 22. Pressure gauge. Detailed Implementation

[0026] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] Reference Figures 1-6 This utility model provides an embodiment of a scattered natural gas pressure reduction pretreatment device, including a base 1, a support seat 2 uniformly fixedly connected to the inner wall of the base 1, a gas pipe channel 3 installed on the top of the support seat 2, an inlet pipe 4 fixedly connected to one side of the gas pipe channel 3, an outlet pipe 5 fixedly connected to the other side of the gas pipe channel 3, a hollow pipe 7 installed at one end of the inlet pipe 4 through a flange 6, a spherical shell 8 fixedly connected to the middle of the hollow pipe 7, a motor 9 installed on the top of the spherical shell 8, a rotating shaft 10 fixedly connected to the output end of the motor 9, the bottom end of the rotating shaft 10 rotatably connected to the bottom of the spherical shell 8, a sphere 11 fixedly connected to the middle of the rotating shaft 10, the sphere 11 being disposed inside the spherical shell 8, a guide hole 12 being opened inside the sphere 11, a filter screen plate 13 being disposed inside the guide hole 12 of the sphere 11, and a cleaning component being disposed on the outer wall of the spherical shell 8.

[0028] Specifically, before the high-pressure gas enters the inlet pipe 4, it is necessary to intercept and filter particulate impurities in the high-pressure gas. By setting a filter screen 13 in the guide hole 12 of the ball 11, the solid impurity particles in the high-pressure gas entering the gas pipe channel 3 can be effectively intercepted, ensuring that the natural gas flowing into the gas pipe channel 3 for pressure reduction treatment is relatively pure, and reducing the potential impact of impurities on the subsequent pressure reduction treatment process and equipment.

[0029] When it is necessary to clean the impurities attached to the surface of the filter screen 13, the motor 9 operates, causing the rotating shaft 10 to drive the ball 11 to rotate inside the ball shell 8, which in turn causes the guide hole 12 and the filter screen 13 to rotate as well. The guide hole 12 inside the ball 11 rotates to connect with the cleaning pipe 14 and the slag discharge pipe 15. The cleaning pipe 14 is controlled by a solenoid valve and can be connected to compressed air or clean gas to backflush the inside of the ball shell 8, blowing the impurities attached to the filter screen 13 into the slag discharge pipe 15, and collecting them through the collection bag 17. This closed cleaning method can prevent impurities from falling randomly and causing secondary pollution to the environment.

[0030] Reference Figures 3-6 The cleaning assembly includes a cleaning pipe 14, one end of which is fixedly connected to the outer wall of the spherical shell 8. A solenoid valve is provided on the outer wall of the cleaning pipe 14. A slag discharge pipe 15 is fixedly connected to one side of the spherical shell 8. A rotating cap 16 is threadedly connected to one end of the slag discharge pipe 15. A collection bag 17 is fixedly connected to one side of the rotating cap 16.

[0031] Specifically, through the control of the solenoid valve, the cleaning pipe 14 can be connected to compressed air or clean gas to backflush the inside of the spherical shell 8. This backflush cleaning method can more thoroughly blow the impurities attached to the filter screen 13 into the slag discharge pipe 15, and the cleaning effect is better.

[0032] The slag discharge pipe 15 and the rotating cap 16 are connected by threads. When it is necessary to clean the impurities in the collection bag 17 or replace the bag, the rotating cap 16 can be easily and quickly removed from the slag discharge pipe 15. After cleaning or replacement, it can be quickly installed back.

[0033] Reference Figure 5 The diameter of the filter screen 13 is the same as the diameter of the guide hole 12.

[0034] Specifically, by ensuring that the diameter of the filter screen 13 is the same as the diameter of the guide hole 12, the filter screen 13 can completely cover the cross-section of the guide hole 12. When natural gas passes through the guide hole 12, all the gas flowing through it must pass through the filter screen 13. There is no bypass situation where the gas bypasses the filter screen 13, thus ensuring the comprehensive interception of solid impurity particles in natural gas and effectively improving the filtration effect.

[0035] Reference Figures 1-2 An inlet ball valve 18 is symmetrically arranged on one side of the air passage 3 near the inlet pipe 4, and an outlet ball valve 21 is symmetrically arranged on one side of the air passage 3 near the outlet pipe 5.

[0036] Specifically, the outlet ball valve 21 and the inlet ball valve 18 can precisely control the flow rate of natural gas. By adjusting the opening degree of the ball valves, the amount of natural gas flowing out and into the gas pipeline channel 3 can be flexibly adjusted according to actual needs.

[0037] Reference Figures 1-2 A pressure regulator 19 is symmetrically arranged on the outer wall of the tracheal passage 3, a pressure reducing valve 20 is symmetrically arranged on the top side of the tracheal passage 3, and a pressure gauge 22 is symmetrically arranged on the outer wall of the tracheal passage 3.

[0038] Specifically, during the natural gas transportation process, the pressure regulator 19 can initially adjust the pressure of the natural gas entering the gas pipeline 3 and stabilize it within a relatively suitable range. The pressure reducing valve 20 can further reduce the pressure precisely based on the adjustment of the pressure regulator 19, so that the natural gas pressure accurately reaches the pressure value required by subsequent processes or equipment.

[0039] Working principle: Before the high-pressure gas enters the inlet pipe 4, it is necessary to intercept and filter particulate impurities in the high-pressure gas. By setting a filter screen 13 in the guide hole 12 of the ball 11, the solid impurity particles in the high-pressure gas entering the gas pipe channel 3 can be effectively intercepted, ensuring that the natural gas flowing into the gas pipe channel 3 for pressure reduction is relatively pure, and reducing the potential impact of impurities on the subsequent pressure reduction process and equipment.

[0040] During the pressure reduction process, the high-pressure gas after impurity removal flows into the gas pipe channel 3. The pressure regulator 19 can initially adjust the pressure of the natural gas entering the gas pipe channel 3 and stabilize it within a relatively suitable range. The pressure reducing valve 20 can further reduce the pressure precisely based on the adjustment of the pressure regulator 19, so that the natural gas pressure accurately reaches the pressure value required by subsequent processes or equipment.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A scattered natural gas depressurization pretreatment device, comprising a base (1), characterized in that: The inner wall of the base (1) is uniformly fixedly connected with support seats (2). An air pipe channel (3) is installed on the top of the support seat (2). An air inlet pipe (4) is fixedly connected to one side of the air pipe channel (3), and an air outlet pipe (5) is fixedly connected to the other side of the air pipe channel (3). A hollow tube (7) is installed at one end of the air inlet pipe (4) through a flange (6). A spherical shell (8) is fixedly connected to the middle of the hollow tube (7), and a motor is installed on the top of the spherical shell (8). (9) The output end of the motor (9) is fixedly connected to a rotating shaft (10). The bottom end of the rotating shaft (10) is rotatably connected to the bottom of the spherical shell (8). A sphere (11) is fixedly connected to the middle of the rotating shaft (10). The sphere (11) is located inside the spherical shell (8). A guide hole (12) is opened inside the sphere (11). A filter screen plate (13) is provided in the guide hole (12) of the sphere (11). A cleaning component is provided on the outer wall of the spherical shell (8).

2. The scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: The cleaning assembly includes a cleaning tube (14), one end of which is fixedly connected to the outer wall of the spherical shell (8), and a solenoid valve is provided on the outer wall of the cleaning tube (14).

3. The scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: A slag discharge pipe (15) is fixedly connected to one side of the spherical shell (8), and a rotating cap (16) is threadedly connected to one end of the slag discharge pipe (15). A collection bag (17) is fixedly connected to one side of the rotating cap (16).

4. The scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: An inlet ball valve (18) is symmetrically arranged on one side of the air passage (3) near the inlet pipe (4), and an outlet ball valve (21) is symmetrically arranged on one side of the air passage (3) near the outlet pipe (5).

5. A scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: Pressure regulators (19) are symmetrically arranged on the outer wall of the tracheal passage (3).

6. The scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: A pressure reducing valve (20) is symmetrically arranged on the top side of the tracheal passage (3).

7. A scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: Pressure gauges (22) are symmetrically arranged on the outer wall of the tracheal passage (3).

8. A scattered natural gas depressurization pretreatment device according to claim 1, characterized in that: The diameter of the filter screen (13) is the same as the diameter of the guide hole (12).

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