Ignition flow control valve

Abstract

The utility model relates to the technical field of oil field ignition, in particular to an ignition flow control valve which comprises a control valve body, an air inlet pipeline is installed on one side of the control valve body, a butt joint pipe is connected to one end of the air inlet pipeline through a flange, a butt joint assembly is installed outside the butt joint pipe, and an air outlet pipeline is installed at the bottom of the control valve body. An adjusting assembly is installed in the control valve body, a protection assembly is installed at the top of the adjusting assembly, the butt joint assembly comprises an extrusion wheel, and an extrusion ring is installed at one end of the extrusion wheel. According to the improved ignition flow control valve, the butt joint assembly is arranged at the joint of the ignition flow control valve and a pipeline, the butt joint effect of the ignition flow control valve is improved, looseness caused by long-term use is avoided, and the use effect of the ignition flow control valve in oil field ignition is improved; the influence on the ignition flow control valve caused by mistakenly touching the hand wheel when not in use is avoided, and the oil field ignition effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of oilfield ignition technology, specifically to an ignition flow control valve. Background Technology

[0002] Oilfield ignition refers to the act of igniting associated gas above the oil well during oil extraction. The main purpose of this practice is to burn off the associated gas, preventing it from accumulating to its explosive limit, thereby ensuring operational safety and saving costs. Associated gas is a gas produced during oil extraction, primarily including flammable gases such as methane. By igniting and burning these gases, not only can their accumulation near the wellhead be prevented, avoiding potential explosion risks, but these gases can also be used as fuel or for power generation, reducing air pollution and improving economic efficiency.

[0003] During the ignition of associated gas, an ignition flow control valve needs to be installed in the associated gas pipeline. This valve controls the flow rate of associated gas entering the ignition system. It is typically installed in oilfield drilling equipment and adjusts the associated gas flow rate accordingly to changes in engine load, ensuring stable operation of the ignition system.

[0004] In the process of developing this utility model, the following problems were found in the existing technology: 1. Most common ignition flow control valves are connected to pipelines via flanges during use. Over time, these flanges are prone to loosening, causing associated gas leakage and thus affecting the effectiveness of the ignition flow control valve in oilfield ignition; 2. The handwheel structure of most common ignition flow control valves is exposed externally. When not in use, accidental activation can easily occur, affecting the valve's operation and thus the effectiveness of oilfield ignition. Utility Model Content

[0005] The purpose of this utility model is to provide an ignition flow control valve to solve the problems mentioned in the background art, such as the relatively simple connection method of common ignition flow control valves, which are prone to loosening over time and causing associated gas leakage. Furthermore, the handwheels of ignition flow control valves are mostly exposed externally, making them susceptible to accidental activation and affecting oilfield ignition. To achieve the above objectives, this utility model provides the following technical solution: an ignition flow control valve, including a control valve body, an inlet pipe installed on one side of the control valve body, a flange connecting a connecting pipe to one end of the inlet pipe, a connecting assembly installed on the outside of the connecting pipe, an outlet pipe installed at the bottom of the control valve body, an adjusting assembly installed inside the control valve body, and a protective assembly installed on top of the adjusting assembly.

[0006] The docking assembly includes a compression wheel, a compression ring is mounted on one end of the compression wheel, a compression block is mounted on one end of the compression ring, a clamping ring is threaded to the outside of the compression ring, and a clamping claw is mounted on the outside of the clamping ring.

[0007] The adjusting assembly includes an adjusting rod, a sealing valve core is installed at the bottom of the adjusting rod, and a handwheel is installed at the top of the adjusting rod.

[0008] The protective assembly includes a protective platform with a limiting seat installed at the bottom center. Adjustment grooves are embedded on both sides of the top of the protective platform. A bidirectional threaded shaft is rotatably connected inside the adjustment groove. A wheel is installed at one end of the bidirectional threaded shaft, and protective covers are threaded to both ends of the bidirectional threaded shaft.

[0009] More preferably, the extrusion wheel, extrusion ring, extrusion block and clamping ring are all hollow ring structures, and the extrusion ring is rotatably connected to the outside of the connecting pipe, and the outer wall of the extrusion ring is provided with an external thread structure, while the clamping ring and the outer wall of the extrusion ring form a threaded connection structure.

[0010] More preferably, a flange is provided at the connection between the air intake pipe and the connecting pipe, and the clamping claw is annularly installed on the outside of the clamping ring, and the inner wall of the clamping claw and the outer wall of the flange form a close-fitting connection structure, while one end of the extrusion block and one end of the flange form a close-fitting connection structure.

[0011] More preferably, the sealing valve core is composed of multiple annular valve cores with successively decreasing diameters stacked on top of each other, and the diameter of the sealing valve core with the largest diameter is the same as the diameter of the air outlet pipe.

[0012] More preferably, the adjusting rod is threaded into the interior of the limiting seat, and the distance between the top of the sealing valve core and the bottom of the limiting seat is the same as the length of the sealing valve core.

[0013] More preferably, the bottom ends of the protective cover are respectively provided with sliders, and the sliders are slidably connected to the inside of the adjustment groove, and the bottom of the protective cover and the top of the protective platform form a sliding connection structure.

[0014] More preferably, there are two protective covers, and when one end of the two protective covers is attached to each other, the handwheel is located inside the protective cover.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] In this invention, a mating assembly is provided at the flange connection between the ignition flow control valve and the connecting pipe to further squeeze and connect the farad plate, thereby improving the mating effect of the ignition flow control valve, preventing loosening during long-term use, reducing the occurrence of associated gas leakage, and improving the performance of the ignition flow control valve in oilfield ignition.

[0017] In this invention, an adjustable protective cover is installed on the outside of the handwheel to protect the handwheel when the ignition flow control valve is not in use, preventing accidental contact with the handwheel from affecting the valve. At the same time, the adjustable protective cover also prevents any impact when the ignition flow control valve is in use, thereby improving the ignition effect in the oil field. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the orthographic section of the present invention;

[0020] Figure 3 This is a magnified front view of the docking assembly of this utility model;

[0021] Figure 4 This is an exploded magnified structural diagram of the docking assembly of this utility model;

[0022] Figure 5 This is an enlarged schematic diagram of the explosion-proof structure of the protective component of this utility model.

[0023] In the diagram: 1. Control valve body; 2. Inlet pipe; 3. Connecting pipe; 4. Connecting assembly; 401. Extrusion wheel; 402. Extrusion ring; 403. Extrusion block; 404. Clamping ring; 405. Clamping claw; 5. Outlet pipe; 6. Adjustment assembly; 601. Adjustment rod; 602. Sealing valve core; 603. Handwheel; 7. Protective assembly; 701. Protective platform; 702. Limit seat; 703. Adjustment groove; 704. Bidirectional threaded shaft; 705. Rotary wheel; 706. Protective cover. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1 to 5 This utility model provides a technical solution: an ignition flow control valve, including a control valve body 1, an air inlet pipe 2 installed on one side of the control valve body 1, a flange connecting a connecting pipe 3 to one end of the air inlet pipe 2, a docking assembly 4 installed on the outside of the connecting pipe 3, an air outlet pipe 5 installed at the bottom of the control valve body 1, an adjustment assembly 6 installed inside the control valve body 1, and a protective assembly 7 installed on the top of the adjustment assembly 6.

[0026] The docking assembly 4 includes a compression wheel 401, a compression ring 402 is installed at one end of the compression wheel 401, a compression block 403 is installed at one end of the compression ring 402, a clamping ring 404 is threadedly connected to the outside of the compression ring 402, and a clamping claw 405 is installed on the outside of the clamping ring 404.

[0027] The adjusting assembly 6 includes an adjusting rod 601, a sealing valve core 602 is installed at the bottom of the adjusting rod 601, and a handwheel 603 is installed at the top of the adjusting rod 601.

[0028] The protective component 7 includes a protective platform 701. A limiting seat 702 is installed at the bottom center of the protective platform 701. Adjustment grooves 703 are embedded on both sides of the top of the protective platform 701. A bidirectional threaded shaft 704 is rotatably connected inside the adjustment groove 703. A rotating wheel 705 is installed at one end of the bidirectional threaded shaft 704. Protective covers 706 are threadedly connected to both ends of the bidirectional threaded shaft 704.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the extrusion wheel 401, extrusion ring 402, extrusion block 403, and clamping ring 404 are all hollow ring structures. The extrusion ring 402 is rotatably connected to the outside of the connecting pipe 3, and the outer wall of the extrusion ring 402 is provided with an external thread structure. At the same time, the clamping ring 404 and the outer wall of the extrusion ring 402 form a threaded connection structure. The rotatable extrusion wheel 401 drives the extrusion ring 402 to rotate on the connecting pipe 3, thereby driving the clamping ring 404 outside the extrusion ring 402 to move, thereby clamping the connecting pipe 3 and the intake pipe 2, improving the docking effect of the docking assembly 4, and thus improving the sealing effect of the ignition flow control valve.

[0030] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a flange is provided at the connection between the intake pipe 2 and the connecting pipe 3, and a clamping claw 405 is annularly installed on the outside of the clamping ring 404. The inner wall of the clamping claw 405 and the outer wall of the flange form a close-fitting connection structure. At the same time, one end of the pressing block 403 and one end of the flange form a close-fitting connection structure. The clamping claw 405 connected to the clamping ring 404 clamps and fixes the two flanges when the clamping ring 404 moves, which improves the sealing effect when the intake pipe 2 and the connecting pipe 3 are connected, avoids leakage caused by the flange connection during long-term use, and improves the safety of the ignition flow control valve.

[0031] In this embodiment, as Figure 2As shown, the sealing valve core 602 is composed of multiple annular valve cores with successively decreasing diameters stacked on top of each other, and the diameter of the sealing valve core 602 with the largest diameter is the same as the diameter of the gas outlet pipe 5; multiple annular valve cores are set in the sealing valve core 602 to facilitate the control of the flow rate of the control valve, improve the flow control effect of the control valve, and facilitate the adjustment of the flow rate of the associated gas according to the needs.

[0032] In this embodiment, as Figure 2 As shown, the adjusting rod 601 is threaded into the inside of the limiting seat 702. The distance between the top of the sealing valve core 602 and the bottom of the limiting seat 702 is the same as the length of the sealing valve core 602. The limiting seat 702 is set in the control valve to limit the movement distance of the sealing valve core 602, so as to avoid the sealing valve core 602 moving too much and making it inconvenient to control the flow of the internal associated gas, thereby improving the performance of the ignition flow control valve.

[0033] In this embodiment, as Figure 1 and Figure 5 As shown, the bottom ends of the protective cover 706 are respectively provided with sliders, and the sliders are slidably connected to the inside of the adjustment groove 703. The bottom of the protective cover 706 and the top of the protective platform 701 form a sliding connection structure. The protective cover 706 is slidably driven by a rotatable bidirectional threaded shaft 704, which facilitates the opening and closing of the protective cover 706 as needed, and improves the control effect of the protective cover 706.

[0034] In this embodiment, as Figure 1 , Figure 2 and Figure 5 As shown, there are two protective covers 706, and when one end of the two protective covers 706 is attached to each other, the handwheel 603 is located inside the protective cover 706. The two protective covers 706 are attached to each other to protect the handwheel 603 inside, so as to prevent the handwheel 603 from being accidentally touched when not in use, which would cause the flow control valve to open, thus improving the safety of the flow control valve in oilfield ignition.

[0035] The usage and advantages of this utility model: The ignition flow control valve operates as follows:

[0036] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, firstly, the inlet pipe 2 of the ignition flow control valve and the connecting pipe 3 are fixed by connecting them with flanges; then, the clamping claws 405 on the clamping ring 404 are clamped to the flange in sequence, and the squeezing ring 402 is rotated on the connecting pipe 3 by rotating the squeezing wheel 401, which in turn drives the clamping ring 404 to rotate on the external thread of the squeezing ring 402. Under the interaction of the clamping claws 405 and the squeezing block 403, the flange is clamped and fixed; next, after the outlet pipe 5 of the ignition flow control valve is connected together, the flow of associated gas can be controlled by rotating the handwheel 603 to drive the sealing valve core 602 under the adjusting rod 601, thereby controlling the ignition of the oil field; finally, after use, the sealing valve core 602 is reset by the handwheel 603, and the rotating wheel 705 drives the bidirectional threaded shaft 704 to rotate, which drives the two protective covers 706 to move closer to each other, jointly protecting the handwheel 603 and preventing accidental contact when not in use.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. Ignition flow control valve comprising a control valve body (1), characterized in that: The side of the control valve body (1) is provided with an air inlet pipe (2), one end of the air inlet pipe (2) is flange connected with a butt joint pipe (3), the outside of the butt joint pipe (3) is provided with a butt joint assembly (4), the bottom of the control valve body (1) is provided with an air outlet pipe (5), the inside of the control valve body (1) is provided with an adjusting assembly (6), the top of the adjusting assembly (6) is provided with a protection assembly (7); The butt joint assembly (4) comprises an extrusion wheel (401), one end of the extrusion wheel (401) is provided with an extrusion ring (402), one end of the extrusion ring (402) is provided with an extrusion block (403), the outside of the extrusion ring (402) is screw connected with a clamping ring (404), the outside of the clamping ring (404) is provided with a clamping claw (405); The adjusting assembly (6) comprises an adjusting rod (601), the bottom of the adjusting rod (601) is provided with a sealing valve core (602), the top of the adjusting rod (601) is provided with a hand wheel (603); The protection assembly (7) comprises a protection table (701), the bottom center of the protection table (701) is provided with a limiting seat (702), the top of the protection table (701) is embedded with an adjusting groove (703) on both sides, the inside of the adjusting groove (703) is rotatably connected with a bidirectional screw shaft (704), one end of the bidirectional screw shaft (704) is provided with a rotating wheel (705), the two ends of the bidirectional screw shaft (704) are screw connected with a protection cover (706).

2. The pilot flow control valve of claim 1, wherein: The extrusion wheel (401), the extrusion ring (402), the extrusion block (403) and the clamping ring (404) are all hollow ring structures, the extrusion ring (402) is rotatably connected to the outside of the butt joint pipe (3), the outer wall of the extrusion ring (402) is provided with an external thread structure, and the clamping ring (404) and the outer wall of the extrusion ring (402) form a screw connection structure.

3. The pilot flow control valve of claim 1, wherein: The connecting part of the air inlet pipe (2) and the butt joint pipe (3) is provided with a flange plate, the clamping claw (405) is annularly installed on the outside of the clamping ring (404), the inner wall of the clamping claw (405) and the outer wall of the flange plate form a close connection structure, and one end of the extrusion block (403) and one end of the flange plate form a close connection structure.

4. The pilot flow control valve of claim 1, wherein: The sealing valve core (602) is composed of multiple ring-shaped valve cores with diameters decreasing in sequence, and the diameter of the largest sealing valve core (602) is the same as the diameter of the air outlet pipe (5).

5. The pilot flow control valve of claim 1, wherein: The adjusting rod (601) is screw connected to the inside of the limiting seat (702), the distance between the top of the sealing valve core (602) and the bottom of the limiting seat (702) is the same as the length of the sealing valve core (602).

6. The pilot flow control valve of claim 1, wherein: The bottom of the protection cover (706) is provided with a sliding block at both ends, the sliding block is slidingly connected to the inside of the adjusting groove (703), and the bottom of the protection cover (706) and the top of the protection table (701) form a sliding connection structure.

7. The pilot flow control valve of claim 1, wherein: There are two protection covers (706), and when one end of the two protection covers (706) abut against each other, the hand wheel (603) is located in the inside of the protection cover (706).

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