Safety valve for natural gas conveying pipeline

Abstract

The safety valve for the natural gas conveying pipeline comprises a safety valve body, an output end and an input end, the output end is arranged on the right side of the safety valve body, and the input end is arranged on the left side of the safety valve body. By arranging the mounting pipe, the sponge and the sealing assembly, when natural gas is conveyed to the output end through the input end, moisture and impurities in the natural gas can be sucked into the sponge, meanwhile, holes in the sponge cannot hinder circulation of the natural gas, the moisture and the impurities in the natural gas are prevented from eroding the safety valve body, and the safety valve is safe and reliable. The service life of the safety valve body is guaranteed, and the problems that in the actual use process, due to the fact that natural gas contains a certain amount of moisture and impurities, the interior of an existing valve does not have the moisture and impurity adsorption function, the valve is prone to being corroded, the service life of the valve is prone to being shortened, and the use cost is increased are solved. And certain limitation exists.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas, in particular to a safety valve for a natural gas transmission pipeline. Background Art

[0002] A natural gas pipeline refers to a pipeline that transports natural gas from the mining site or processing plant to the urban gas distribution center or industrial enterprise users. It is also called a gas transmission pipeline. Using a natural gas pipeline to transport natural gas is a way to transport a large amount of natural gas on land. Natural gas pipelines account for about half of the total length of pipelines in the world. The use of natural gas is also gradually increasing. Natural gas is mainly transported through pipelines during the transportation process, and safety valves are installed on the gas pipelines.

[0003] According to announcement number: CN212203480U, a safety valve for a natural gas transmission pipeline is disclosed, including a valve body and a first sleeve, wherein an outer tube is arranged at the bottom of the valve body, an inner tube is welded to the inner wall of the outer tube, and fixings are welded to the inner wall of the outer tube on both sides of the inner tube; the pipe body is preliminarily connected through the two ends of the outer tube through a flange plate, and when conveying natural gas, the pipe body is sealed inside the outer tube through the cooperation of the pipe sleeve, the fixings and the first sleeve pipe, and the gas flow area is increased through the first sleeve pipe to relieve the gas pressure, and an expansion ring is arranged at the connection between the trapezoidal part and the outside of the inner tube. If leakage occurs, the liquid contained in the natural gas causes the expansion ring to expand, and the spring in the groove body is squeezed through the cooperation of the support rod, the connecting plate and the connecting rod, and the expansion ring is used for buffering, thereby improving the tightness between the expansion ring and the inner tube, avoiding loosening of the connection between the flange plate and the pipeline, and effectively preventing the pipeline and the valve body from leaking natural gas.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that when the above equipment is used, although it can solve the problem that the existing safety valve is connected to the natural gas transmission pipeline through a flange, the pipeline and the valve cavity will become loose after long-term use, and the interface between the pipeline and the valve is not tight enough, which is easy to leak natural gas in the pipeline.

[0005] However, in actual use, since natural gas contains a certain amount of moisture and impurities, and the existing valves do not have the function of adsorbing moisture and impurities, it is easy to cause corrosion to the valves, which can easily reduce the service life of the valves and increase the cost of use, which has certain limitations. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a safety valve for natural gas transmission pipelines, which has the advantage of absorbing moisture and impurities in natural gas, and solves the problem that in actual use, since natural gas contains a certain amount of moisture and impurities, and the existing valves do not have the function of absorbing moisture and impurities, which easily leads to corrosion of the valve, and thus easily reduces the service life of the valve, increases the cost of use, and has certain limitations.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety valve for a natural gas transmission pipeline, comprising a safety valve body, an output end and an input end, wherein the output end is on the right side of the safety valve body, and the input end is on the left side of the valve. The bottom of the right side of the surface of the safety valve body is connected to a mounting tube, a sponge is placed inside the mounting tube, most of the sponge is located inside the safety valve body, a closing component is provided at the bottom of the inner wall of the mounting tube, and a replacement reminder component is fixedly connected to the top of the right side of the surface of the safety valve body.

[0008] As a preferred embodiment of the utility model, the closure assembly includes a threaded groove, the threaded groove is opened at the bottom of the inner wall of the installation tube, and the bottom of the inner wall of the installation tube is threadedly connected with a screw cap through the threaded groove.

[0009] As a preferred embodiment of the utility model, the replacement reminder component includes a water content sensor, the water content sensor is fixedly connected to the top of the right side of the surface of the safety valve body, the detection end of the water content sensor is inserted into the sponge, the top of the front side of the safety valve body is fixedly connected to a controller, the bottom of the front side of the safety valve body is fixedly connected to a warning light, and the water content sensor and the warning light are electrically connected to the controller through wires respectively.

[0010] As a preferred embodiment of the present invention, a buzzer is fixedly connected to the back side of the safety valve body, and the buzzer is electrically connected to the controller via a wire.

[0011] As a preferred embodiment of the present invention, a gripping block is fixedly connected to the bottom of the rotary cover, and the gripping block is used in conjunction with the rotary cover.

[0012] As a preferred embodiment of the utility model, the left side and the right side of the gripping block are fixedly connected with anti-slip strips, and a plurality of anti-slip strips are provided and distributed at equal distances.

[0013] As a preferred embodiment of the present invention, a sealing gasket is adhered to the top of the screw cap, and the material of the sealing gasket is natural rubber.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides an installation tube, a sponge and a sealing component. When natural gas is transported from the input end to the output end, the sponge absorbs moisture and impurities in the natural gas into the sponge. At the same time, the holes in the sponge will not hinder the circulation of natural gas, thereby preventing moisture and impurities in the natural gas from corroding the safety valve body, ensuring the service life of the safety valve body, and solving the problem that in actual use, the natural gas contains a certain amount of moisture and impurities, and the existing valve does not have the function of adsorbing moisture and impurities, which easily leads to corrosion of the valve, thereby easily reducing the service life of the valve, increasing the cost of use, and having certain limitations. The utility model achieves the effect of adsorbing moisture and impurities in natural gas.

[0016] 2. The utility model provides a sealing component. When the operator puts the sponge into the safety valve body through the installation tube, the operator picks up the screw cap and moves it to the port of the installation tube. The screw cap is engaged with the threaded groove, and then the operator continuously twists the screw cap until it is tightened, thereby ensuring the sealing of the installation tube and avoiding natural gas leakage.

[0017] 3. The utility model sets a replacement reminder component, and the operator sets a threshold value of the maximum water content inside the controller. The water content sensor continuously transmits the water content data inside the sponge to the controller, so that the controller performs data analysis on the transmission result. When the analysis result reaches or exceeds the set threshold, the controller turns on the reminder light, which emits a red flashing light to remind the operator to replace the sponge, thereby ensuring the stability of the sponge's water absorption and impurity absorption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a three-dimensional structural schematic diagram of the utility model from another viewing angle;

[0020] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0021] In the figure: 1. Safety valve body; 2. Output end; 3. Input end; 4. Mounting tube; 5. Sponge; 6. Closure assembly; 61. Threaded groove; 62. Screw cap; 7. Replacement reminder assembly; 71. Water content sensor; 72. Controller; 73. Prompt light; 8. Buzzer; 9. Grip block; 10. Anti-slip strip; 11. Sealing pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 3 As shown, the utility model provides a safety valve for a natural gas transmission pipeline, comprising a safety valve body 1, an output end 2 and an input end 3, wherein the output end 2 is on the right side of the safety valve body 1, and the input end 3 is on the left side of the valve. A mounting pipe 4 is connected to the bottom of the right side of the surface of the safety valve body 1, and a sponge 5 is placed inside the mounting pipe 4, most of the sponge 5 is located inside the safety valve body 1, a closing component 6 is provided at the bottom of the inner wall of the mounting pipe 4, and a replacement reminder component 7 is fixedly connected to the top of the right side of the surface of the safety valve body 1.

[0024] refer to Figure 3 The closing component 6 includes a thread groove 61 , which is opened at the bottom of the inner wall of the mounting tube 4 , and a screw cap 62 is threadedly connected to the bottom of the inner wall of the mounting tube 4 through the thread groove 61 .

[0025] As a technical optimization scheme of the utility model, by setting a sealing component 6, when the operator puts the sponge 5 into the safety valve body 1 through the installation tube 4, the operator picks up the screw cap 62 and moves it to the port position of the installation tube 4, and the screw cap 62 is engaged with the threaded groove 61, and then the operator continuously twists the screw cap 62 until it is tightened, thereby ensuring the sealing of the installation tube 4 and avoiding natural gas leakage.

[0026] refer to Figure 1 The replacement reminder component 7 includes a water content sensor 71, which is fixedly connected to the top of the right side of the surface of the safety valve body 1. The detection end of the water content sensor 71 is inserted into the sponge 5. The top of the front side of the safety valve body 1 is fixedly connected to a controller 72, and the bottom of the front side of the safety valve body 1 is fixedly connected to a warning light 73. The water content sensor 71 and the warning light 73 are electrically connected to the controller 72 through wires respectively.

[0027] As a technical optimization scheme of the utility model, by setting a replacement reminder component 7, the operator sets the maximum water content threshold inside the controller 72, and the water content data inside the sponge 5 is continuously transmitted to the controller 72 through the water content sensor 71, so that the controller 72 performs data analysis on the transmission result. When the analysis result reaches or exceeds the set threshold, the controller 72 turns on the reminder light 73, so that the reminder light 73 emits a red flashing light to remind the operator to replace the sponge 5, thereby ensuring the stability of the sponge 5 in absorbing water and impurities.

[0028] refer to Figure 2 A buzzer 8 is fixedly connected to the back of the safety valve body 1, and the buzzer 8 is electrically connected to the controller 72 through a wire.

[0029] As a technical optimization solution of the utility model, a buzzer 8 is provided and electrically connected to the controller 72 through a wire. When the controller 72 adjusts the prompt light 73, the controller 72 starts the buzzer 8, so that the buzzer 8 makes a sound to remind the operator to replace the sponge 5, thereby avoiding the situation where the operator does not see the prompt light 73 flashing.

[0030] refer to Figure 3 The bottom of the rotary cover 62 is fixedly connected with a gripping block 9 , and the gripping block 9 is used in conjunction with the rotary cover 62 .

[0031] As a technical optimization solution of the utility model, by setting a grip block 9, the grip block 9 and the rotary cover 62 are fixedly installed. When the operator uses the rotary cover 62, the grip block 9 can increase the contact area between the operator's hand and the rotary cover 62, so that the operator can save more effort when using the rotary cover 62.

[0032] refer to Figure 3 The left and right sides of the gripping block 9 are fixedly connected with anti-slip strips 10, and a plurality of anti-slip strips 10 are provided and distributed at equal distances.

[0033] As a technical optimization solution of the utility model, by providing an anti-slip strip 10, when the operator uses the grip block 9, the grip block 9 can increase the friction between the operator's hand and the grip block 9, thereby preventing the operator from slipping out of the grip block 9 when using it.

[0034] refer to Figure 3 A sealing gasket 11 is attached to the top of the screw cap 62, and the material of the sealing gasket 11 is natural rubber.

[0035] As a technical optimization solution of the utility model, by providing a sealing gasket 11 and adhering the sealing gasket 11 to the top of the rotary cover 62 , the sealing gasket 11 can increase the sealing performance of the connection between the rotary cover 62 and the mounting tube 4 .

[0036] The working principle and use process of the utility model are as follows: when in use, the valve is connected to the natural gas pipeline. At this time, the screw cap 62 is not installed with the installation pipe 4. Then the operator sends the sponge 5 into the safety valve body 1 through the installation pipe 4, that is, the output end 2 position inside the safety valve body 1, and the sponge 5 can be inserted by the detection end of the water content sensor 71. Then the operator picks up the screw cap 62 and moves it to the port position of the installation pipe 4. By making the screw cap 62 engage with the threaded groove 61, and then the operator continuously twists the screw cap 62 until it is tightened, thereby ensuring the sealing of the installation pipe 4. When the natural gas is transported to the output end 2 position through the input end 3, the sponge 5 will absorb the moisture and impurities in the natural gas into the sponge 5, and at the same time, the holes in the sponge 5 It will not hinder the circulation of natural gas, and prevent moisture and impurities in the natural gas from corroding the safety valve body 1, thereby ensuring the service life of the safety valve body 1. Through the operator's maximum water content threshold in the controller 72, the water content sensor 71 continuously transmits the water content data inside the sponge 5 to the controller 72, so that the controller 72 performs data analysis on the transmission result. When the analysis result reaches or exceeds the set threshold, the controller 72 turns on the prompt light 73, so that the prompt light 73 emits a red flashing light to remind the operator to replace the sponge 5, so that the operator closes the safety valve body 1, and then the operator removes the screw cap 62, and then the operator takes out the sponge 5, thereby ensuring the convenience of the operator replacing the sponge 5.

[0037] To sum up: this safety valve for a natural gas transmission pipeline is equipped with an installation pipe 4, a sponge 5 and a closing component 6. When the natural gas is transmitted to the output end 2 through the input end 3, the sponge 5 will absorb the moisture and impurities in the natural gas into the sponge 5. At the same time, the holes in the sponge 5 will not hinder the circulation of the natural gas, thereby preventing the moisture and impurities in the natural gas from corroding the safety valve body 1, ensuring the service life of the safety valve body 1, and solving the problem that in actual use, the natural gas contains a certain amount of moisture and impurities, and the existing valve does not have the function of adsorbing moisture and impurities, which can easily lead to corrosion of the valve, thereby easily reducing the service life of the valve, increasing the cost of use, and having certain limitations.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety valve for a natural gas transmission pipeline, comprising a safety valve body (1), an output end (2) and an input end (3), characterized in that: The output end (2) is on the right side of the safety valve body (1), and the input end (3) is on the left side of the valve. The bottom of the right side of the surface of the safety valve body (1) is connected to a mounting tube (4), a sponge (5) is placed inside the mounting tube (4), and most of the sponge (5) is located inside the safety valve body (1). A sealing component (6) is provided at the bottom of the inner wall of the mounting tube (4), and a replacement reminder component (7) is fixedly connected to the top of the right side of the surface of the safety valve body (1).

2. A safety valve for a natural gas pipeline according to claim 1, characterized in that: The closure assembly (6) comprises a threaded groove (61), the threaded groove (61) being formed at the bottom of the inner wall of the mounting tube (4), and the bottom of the inner wall of the mounting tube (4) being threadedly connected to a screw cap (62) via the threaded groove (61).

3. A safety valve for a natural gas pipeline according to claim 1, characterized in that: The replacement reminder component (7) comprises a water content sensor (71), the water content sensor (71) is fixedly connected to the top of the right side of the surface of the safety valve body (1), the detection end of the water content sensor (71) is inserted into the sponge (5), the top of the front of the safety valve body (1) is fixedly connected to a controller (72), and the bottom of the front of the safety valve body (1) is fixedly connected to a warning light (73), and the water content sensor (71) and the warning light (73) are respectively electrically connected to the controller (72) through wires.

4. A safety valve for a natural gas pipeline according to claim 3, characterized in that: A buzzer (8) is fixedly connected to the back of the safety valve body (1), and the buzzer (8) is electrically connected to the controller (72) via a wire.

5. A safety valve for a natural gas pipeline according to claim 2, characterized in that: A gripping block (9) is fixedly connected to the bottom of the rotary cover (62), and the gripping block (9) is used in conjunction with the rotary cover (62).

6. A safety valve for a natural gas pipeline according to claim 5, characterized in that: The left side and the right side of the gripping block (9) are both fixedly connected with anti-slip strips (10), and a plurality of anti-slip strips (10) are provided and are distributed at equal distances.

7. A safety valve for a natural gas pipeline according to claim 2, characterized in that: A sealing gasket (11) is adhered to the top of the rotary cover (62), and the sealing gasket (11) is made of natural rubber.

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