Device for detecting and absorbing hydrogen sulfide leaked from oil and gas wellhead

By designing a detection and absorption device for oil and gas wells, the gas leakage and hydrogen sulfide backlog problems during the operation of the extractor are solved, and the effect of reducing leakage, timely absorption and treatment of hydrogen sulfide is achieved, ensuring the stability and safety of the work.

CN222910004UActive Publication Date: 2025-05-27PETROCHINA CO LTD
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Patent Information

Application Number
CN202421724739.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-27
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing extractor has poor stability during operation, resulting in gas leakage inside the oil and gas well, and hydrogen sulfide gas continues to enter the collection box to increase the internal pressure, damage the collection box, and affecting the subsequent work of the staff.

Method used

Design a detection and absorption device for leakage of hydrogen sulfide at oil and gas wellheads, including protective components, sealing components, gas delivery components, gas treatment components and gas monitoring components. The protective components are in close contact with the handle bar to reduce gas leakage; the gas monitoring components and spray components are used to detect and absorb leaked hydrogen sulfide, convert them into particulate solids, and reduce the pressure on the collection box.

Benefits of technology

It effectively reduces gas leakage in the extractor during working state, absorbs leaked hydrogen sulfide in a timely manner, prevents it from entering the collection box to increase the pressure, and ensures the safety of staff and convenient work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a device for detecting and absorbing hydrogen sulfide leaked from an oil gas wellhead, which comprises a protection part, a sealing part, a gas conveying part, a gas processing part and a gas monitoring part, the protection part is arranged at the end part of an oil gas well, is sleeved on a handle rod and is tightly contacted with the handle rod through the sealing part; the situation that the extractor leaks gas in the working state is reduced, the gas monitoring component transmits a signal to the alarm component, a worker judges whether current gas leaks or not according to an alarm sent by the alarm component, and the spraying component sprays liquid in the liquid containing box in a water mist shape. Hydrogen sulfide can be changed into particles to fall into the gas treatment box under certain pressure intensity when making contact with liquid, redundant liquid can flow out through the liquid discharging component, accordingly, the redundant liquid can be recycled, leaked hydrogen sulfide can be absorbed in time and notified to workers, hydrogen sulfide can be treated into solid particles, and the gas treatment efficiency is improved. And convenience is brought to follow-up work of workers.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas measurement, in particular to a device for detecting and absorbing hydrogen sulfide leakage from an oil and gas wellhead. Background Art

[0002] Oil and gas well engineering is a capital and technology intensive project implemented around the construction, measurement and protection of oil and gas wells. It mainly includes oil and gas exploration and development drilling and completion engineering, oil and gas well measurement and testing engineering, and oil and gas well protection and repair engineering. It is a basic link in oil and gas exploration and development.

[0003] Since most of the existing extractors have poor working stability, the internal gas leakage of the extractors increases. The continuous entry of hydrogen sulfide gas into the collection box will increase its internal pressure, and the collection box is more likely to be damaged and ruptured due to the high pressure, which brings inconvenience to the subsequent work of the staff and has a certain adverse effect on actual use. Therefore, improvements are needed. Utility Model Content

[0004] The present application provides a device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead, which ensures the stability of the extractor when in working condition, reduces the gas leakage inside the oil and gas well when the extractor is in working condition, and can absorb hydrogen sulfide leakage in time and notify the staff, thereby reducing the situation where hydrogen sulfide gas continues to enter the collection box to increase its internal pressure, bringing convenience to the staff's subsequent work.

[0005] The present application provides a device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead, which is in close contact with a handle rod of an oil pump, and the oil pump moves up and down inside the oil and gas well, and comprises: a protective component, which is arranged at the end of the oil and gas well and is sleeved on the handle rod, and a receiving space is formed between the protective component and the handle rod; a sealing component, which is arranged on the protective component, and the protective component is in close contact with the handle rod through the sealing component; a gas conveying component, which is sleeved on the handle rod and arranged on the protective component, and a connecting hole is arranged between the gas conveying component and the protective component; a gas processing component, which is in communication with the gas conveying component, and the gas processing component comprises a gas processing box, a liquid containing box, a spraying component and a liquid discharge component, the gas conveying component is in communication with the gas processing box, the liquid containing box is arranged on the gas processing box, the spraying component is arranged on the gas processing box, the liquid containing box is in communication with the spraying component, and the liquid discharge component is in communication with the gas processing box; a gas monitoring component, which is arranged between the protective component and the handle rod to form a receiving space, and is electrically connected to an alarm component.

[0006] In some optional embodiments, a dust accumulation frame is further included, wherein the dust accumulation frame is located inside the accommodating space formed by the protective component and the handle rod, and the dust accumulation frame is arranged at the end of the oil and gas well.

[0007] In some optional embodiments, a first filter screen is further included, wherein the first filter screen is arranged in the dust storage frame, and the first filter screen is a one-way filter screen.

[0008] In some optional embodiments, a second filter screen is further included, and the second filter screen is arranged in the connecting hole.

[0009] In some optional embodiments, it also includes an air suction component, which is arranged inside the gas delivery component.

[0010] In some optional embodiments, the dust storage frame, the connecting hole and the air suction component are arranged in sequence in the length direction of the handle rod.

[0011] In some optional embodiments, an exhaust component is further included, wherein the exhaust component is located inside the gas delivery component and faces the gas processing component.

[0012] In some optional embodiments, the gas processing component further includes a third filter screen, and the third filter screen is arranged inside the gas processing box.

[0013] In some optional embodiments, the gas processing component further includes a heating component, and the heating component is disposed on the outer surface of the gas processing box.

[0014] In some optional embodiments, the gas processing component further includes a pressure detection component, and the pressure detection component is connected to the gas processing box.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] The present application provides a device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead, wherein a protective component is arranged at the end of the oil and gas well, and the protective component is sleeved on a handle rod, and the protective component is in close contact with the handle rod through a sealing component, thereby reducing the leakage of internal gas in the extractor when in working state, and the gas monitoring component can transmit a signal to an alarm component, and a staff member determines whether the current gas is leaking according to the alarm issued by the alarm component, and a spray component sprays the liquid in a liquid containing box in the form of water mist, and hydrogen sulfide can be transformed into particles under a certain pressure when in contact with the liquid and fall into the gas processing box, and excess liquid can flow out through a drainage component, so that the excess liquid can be recycled, and hydrogen sulfide leakage can be absorbed in time and the staff member can be notified, and the hydrogen sulfide can be processed into granular solids, which brings convenience to the subsequent work of the staff member. Brief Description of the Drawings

[0017] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, where:

[0018] Figure 1 The structural schematic diagram of the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead provided by the embodiment of the present utility model is shown;

[0019] Figure 2 is Figure 1 The partial enlarged view of part A of the provided embodiment.

[0020] Wherein, Figures 1-2 The corresponding relationship between the reference numerals and the component names in

[0021] 1 - handle rod; a - oil and gas well; b - extractor; 11 - control valve; 2 - protective component; 21 - dust accumulation frame; 22 - first filter screen; 23 - second filter screen; 24 - hydrogen sulfide detection component; 3 - sealing component; 4 - gas transmission component; 41 - air suction component; 42 - exhaust component; 43 - communication hole; 5 - gas treatment component; 51 - gas treatment box body; 52 - liquid storage box body; 53 - spraying component; 54 - liquid discharge component; 541 - discharge pipeline; 542 - solid particle retaining net; 55 - heating component; 56 - pressure detection component; 57 - third filter screen; 6 - gas monitoring component; 7 - alarm component. Detailed Description of the Embodiments

[0022] In order to be able to more clearly understand the above objects, features and advantages of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0023] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0024] Oil and gas well engineering is a capital and technology intensive project implemented around the construction, measurement and protection of oil and gas wells. It mainly includes oil and gas exploration and development drilling and completion engineering, oil and gas well measurement and testing engineering, and oil and gas well protection and repair engineering, etc. It is a basic link in oil and gas exploration and development. Since most of the existing extractors b have poor stability during operation, the internal gas leakage of the extractor b increases. The continuous entry of hydrogen sulfide gas into the collection box will increase its internal pressure, and the collection box is damaged and ruptured due to high pressure. It brings inconvenience to the subsequent work of the staff and has a certain adverse effect on actual use, so it needs to be improved.

[0025] The present application provides a device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead, which ensures the stability of the extractor B when it is in a working state, reduces the gas leakage inside the oil and gas well when the extractor B is in a working state, and can absorb hydrogen sulfide leakage in a timely manner and notify the staff, thereby reducing the situation where hydrogen sulfide gas continues to enter the collection box to increase its internal pressure, thereby bringing convenience to the staff's subsequent work.

[0026] The present application provides a device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead, which is in close contact with a handle rod 1 of an oil pump, and the handle rod 1 moves up and down inside an oil and gas well a. The device for detecting and absorbing hydrogen sulfide leakage at an oil and gas wellhead comprises: a protective component 2, a sealing component 3, a gas conveying component 4, a gas processing component 5 and a gas monitoring component 6. The protective component 2 is arranged at the end of the oil and gas well a, and the protective component 2 is sleeved on the handle rod 1, and a receiving space is formed between the protective component 2 and the handle rod 1; the sealing component 3 is arranged on the protective component 2, and the protective component 2 is in close contact with the handle rod 1 through the sealing component 3; the gas conveying component 4 is sleeved on the handle rod 1, and the gas conveying component 4 is arranged on the protective part Part 2, a connecting hole 43 is provided between the gas delivery part 4 and the protective part 2; the gas processing part 5 is connected to the gas delivery part 4, the gas processing part 5 includes a gas processing box 51, a liquid containing box 52, a spray part 53 and a liquid discharge part 54, the gas delivery part 4 is connected to the gas processing box 51, the liquid containing box 52 is arranged in the gas processing box 51, the spray part 53 is arranged in the gas processing box 51, the liquid containing box 52 and the spray part 53 are connected, and the liquid discharge part 54 is connected to the gas processing box 51; the gas monitoring part 6 is arranged between the protective part 2 and the handle rod 1 to form a receiving space, and is electrically connected to the alarm part 7.

[0027] Specifically, the protective component 2 is arranged at the end of the oil and gas well a. The protective component 2 is sleeved on the handle rod 1. The protective component 2 is in close contact with the handle rod 1 through the sealing component 3, reducing the leakage of internal gas when the extractor b is in the working state. The gas monitoring component 6 can transmit signals to the alarm component, and the staff can judge whether the current gas leaks according to the alarm issued by the alarm component. The spraying component 53 sprays the liquid in the liquid containing box 52 in the form of water mist. Hydrogen sulfide can become particles and fall into the gas treatment box 51 when contacting the liquid under a certain pressure. The excess liquid can flow out through the liquid discharge component 54, so that the excess liquid can be recycled. The leakage of hydrogen sulfide can be absorbed in time and the staff can be notified. Hydrogen sulfide can be processed into particulate solids, which brings convenience to the subsequent work of the staff. The alarm component 7 is an alarm bell or an alarm light. The oil and gas well a is provided with a control valve 11, and the control valve 11 is used to adjust the oil extractor.

[0028] Further, the sealing component 3 is a sealing slide plate. The protective component 2 is in close contact with the handle rod 1 through the sealing slide plate. The surface of the sealing slide plate can slide with the surface of the handle rod 1 of the extractor b, reducing the leakage of internal gas when the extractor b is performing extraction work.

[0029] Optionally, the protective frame 4 includes a circular plate and a circumferential plate. The circumferential plate is connected to the outer peripheral side of the circular plate. The circular plate is provided with a central hole, and the handle rod 1 is inserted into the central hole of the circular plate. The circular plate, the circumferential plate, the end of the oil and gas well a, and the handle rod 1 enclose a containing space.

[0030] In some alternative embodiments, the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead further includes a hydrogen sulfide detection component 24, and the hydrogen sulfide detection component 24 is arranged inside the protective frame 4.

[0031] Specifically, the hydrogen sulfide detection component 24 is arranged at the end of the oil and gas well a, and the hydrogen sulfide detection component 24 can detect the hydrogen sulfide gas inside the protective frame 4.

[0032] In some alternative embodiments, the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead further includes an ash accumulation frame 21, and the ash accumulation frame 21 is located inside the containing space formed by the protective component 2 and the handle rod 1. The ash accumulation frame 21 is arranged at the end of the oil and gas well a.

[0033] Specifically, the protective frame 4 includes a first circular plate and a first circumferential plate. The first circumferential plate is connected to the outer peripheral side of the first circular plate. The first circular plate is provided with a central hole, and the handle rod 1 is inserted into the central hole of the first circular plate. The first circular plate, the first circumferential plate, the end of the oil and gas well a, and the handle rod 1 enclose a containing space. The ash accumulation frame 21 is located inside the containing space formed by the protective component 2 and the handle rod 1. The ash accumulation frame 21 is arranged at the end of the oil and gas well a, and the cross-sectional shape of the ash accumulation frame 21 is a ring.

[0034] In some alternative embodiments, the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead further includes a first filter screen 22, which is arranged in the dust accumulation frame 21, and the first filter screen 22 is a one-way filter screen.

[0035] Specifically, the inner surface of the top of the dust accumulation frame 21 is fixedly connected with the first filter screen 22, and the first filter screen 22 is a one-way sieve mesh. Through the setting of the one-way sieve mesh, the situation that impurities inside the dust accumulation frame 21 are sucked out is reduced. The shape of the first filter screen 22 is in an "X" shape, and the material of the first filter screen 22 is an activated carbon filter screen. By arranging the first filter screen 22 in the dust accumulation frame 21, the impurities and fine particles contained in the hydrogen sulfide are reduced.

[0036] In some alternative embodiments, the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead further includes a second filter screen 23, which is arranged in the communication hole 43 to prevent impurities inside the dust accumulation frame 21 from being sucked into the gas conveying component 4.

[0037] In some alternative embodiments, the detection and absorption device for hydrogen sulfide leakage at the oil and gas wellhead further includes a suction component 41, which is arranged inside the gas conveying component 4.

[0038] Specifically, the suction component 41 is a fan. The top of the inner wall of the gas conveying component 4 is fixedly connected with the suction component 41. When the suction component 41 is started, it can suck the hydrogen sulfide inside the protection component 2 into the inside of the gas conveying component 4 through the communication hole 43. The suction component 41 is located directly above the communication hole 43. The side of the inner wall of the gas conveying component 4 is fixedly connected with an exhaust component 42, and the exhaust component 42 can blow the hydrogen sulfide sucked up by the suction component 41 towards the direction of the gas treatment component 5. The top of the gas conveying component 4 is fixedly connected with an alarm component 7. The hydrogen sulfide detection component 24 can transmit a signal to the alarm component 7, and the hydrogen sulfide detection component 24 is electrically connected to the alarm component 7. One end of the gas conveying component 4 is connected to a gas treatment component 5, and hydrogen sulfide can enter the inside of the gas treatment component 5 through the gas conveying component 4.

[0039] In some alternative embodiments, the dust accumulation frame 21, the communication hole 43, and the suction component 41 are sequentially arranged in the axial direction of the handle rod 1.

[0040] Specifically, optionally, the first circular plate and the third circular plate are provided with a communication hole 43. At the top of the inner wall of the gas delivery component 4, an air suction component 41 is fixedly connected. When the air suction component 41 is activated, it can suck hydrogen sulfide inside the protection component 2 into the interior of the gas delivery component 4 through the communication hole 43. The air suction component 41 is located directly above the communication hole 43. On the side of the inner wall of the gas delivery component 4, an exhaust component 42 is fixedly connected. The exhaust component 42 can blow the hydrogen sulfide sucked by the air suction component 41 towards the gas treatment component 5. At the top of the gas delivery component 4, an alarm component 7 is fixedly connected. The hydrogen sulfide detection component 24 can transmit a signal to the alarm component 7, and the hydrogen sulfide detection component 24 is electrically connected to the alarm component 7. One end of the gas delivery component 4 is connected to a gas treatment component 5, and hydrogen sulfide can enter the interior of the gas treatment component 5 through the gas delivery component 4.

[0041] Further, the gas delivery component 4 includes a second circular plate, a second circumferential plate, a third circular plate, a third circumferential plate, and a fourth circumferential plate. The second circumferential plate is arranged on the outer peripheral side of the second circular plate, and the third circumferential plate is arranged on the outer peripheral side of the third circular plate. The diameter of the second circular plate is larger than the diameter of the third circumferential plate. The third circumferential plate is arranged below the second circular plate. Both the third circumferential plate and the second circular plate are provided with a central hole. The handle rod 1 passes through the central holes of the third circular plate and the second circular plate. The fourth circumferential plate connects the inner peripheral sides of the third circular plate and the second circular plate.

[0042] In some alternative embodiments, the oil and gas wellhead hydrogen sulfide leakage detection and absorption device further includes an exhaust component 42. The exhaust component 42 is located inside the gas delivery component 4 and faces the gas treatment component 5.

[0043] Specifically, the exhaust component 42 is an exhaust fan. At the top of the inner wall of the gas delivery component 4, an air suction component 41 is fixedly connected. When the air suction component 41 is activated, it can suck hydrogen sulfide inside the protection component 2 into the interior of the gas delivery component 4 through the communication hole 43. The air suction component 41 is located directly above the communication hole 43. On the side of the inner wall of the gas delivery component 4, an exhaust component 42 is fixedly connected. The exhaust component 42 can blow the hydrogen sulfide sucked by the air suction component 41 towards the gas treatment component 5. At the top of the gas delivery component 4, an alarm component 7 is fixedly connected. The hydrogen sulfide detection component 24 can transmit a signal to the alarm component 7, and the hydrogen sulfide detection component 24 is electrically connected to the alarm component 7. One end of the gas delivery component 4 is connected to a gas treatment component 5, and hydrogen sulfide can enter the interior of the gas treatment component 5 through the gas delivery component 4.

[0044] Optionally, the exhaust component 42 is arranged on the fourth circumferential plate, and the air suction component 41 is arranged on the second circular plate.

[0045] Further, the gas treatment component 5 includes: a gas treatment box body 51, a liquid containing box body 52, a spraying component 53, and a liquid discharging component 54. The gas conveying component 4 is communicated with the gas treatment box body 51. The liquid containing box body 52 is arranged in the gas treatment box body 51. The spraying component 53 is arranged in the gas treatment box body 51. The liquid containing box body 52 and the spraying component 53 are communicated. The liquid discharging component 54 is communicated with the gas treatment box body 51. The spraying component 53 sprays the liquid in the liquid containing box body 52 in the form of water mist. Hydrogen sulfide contacts with the liquid and can become particles and fall inside the gas treatment box body 51 under a certain pressure. The excess liquid can flow out through the liquid discharging component 54, so that the excess liquid can be recycled. Hydrogen sulfide leakage can be absorbed in time and the staff can be notified. Hydrogen sulfide can be processed into particulate solids, which brings convenience to the subsequent work of the staff.

[0046] In some optional embodiments, the gas treatment component 5 further includes a third filter screen 57, and the third filter screen 57 is arranged inside the gas treatment box body 51.

[0047] Specifically, the spraying component 53 sprays the liquid in the liquid containing box body 52 in the form of water mist. Hydrogen sulfide contacts with the liquid and can become particles and fall inside the gas treatment box body 51 under a certain pressure. Hydrogen sulfide gas contacts with the liquid and can become particles and fall onto the third filter screen 57 under a certain pressure. Optionally, the third filter screen 57 is a sieve mesh. By arranging the sieve mesh inside the gas treatment component 5, the situation that the solidified hydrogen sulfide particles flow out with the liquid is reduced.

[0048] Further, the number of the sieve meshes is at least two, and the at least two sieve meshes are evenly distributed on the inner surface of the gas treatment box body 51, increasing the placement range of hydrogen sulfide contacting the liquid and being processed into particulate solids under a certain pressure.

[0049] In some optional embodiments, the gas treatment component 5 further includes a heating component 55, and the heating component 55 is arranged on the outer surface of the gas treatment box body 51.

[0050] Specifically, the heating component 55 is a heating plate, and the heating plate is arranged on the outer surface of the gas treatment box body 51, facilitating the staff to adjust the temperature inside the gas treatment box body 51 and ensuring the stability of the extractor b during operation.

[0051] Further, the discharging component 54 includes a discharging pipe 541 and a solid particle blocking net 542. The discharging pipe 541 is provided with the solid particle blocking net 542, reducing the situation that the solidified hydrogen sulfide particles flow out with the river water. The shape of the solid particle blocking net 542 is in the shape of a rectangular frame, and the solid particle blocking net completely surrounds the outlet of the discharging pipe 541.

[0052] In some alternative embodiments, the gas treatment component 5 further includes a pressure detection component 56, and the pressure detection component 56 communicates with the gas treatment box body 51.

[0053] Specifically, when the present utility model is in use, the extractor b can normally work to extract raw materials from the interior of the oil and gas well. Through the setting of the sealing component 3, the situation of internal gas leakage during the extraction work of the extractor b is reduced. If hydrogen sulfide leaks during the extraction work of the extractor b, the hydrogen sulfide detection component 24 can detect the hydrogen sulfide gas inside the gas treatment box body 51. The hydrogen sulfide detection component 24 can transmit a signal to the alarm component 7, and the alarm component 7 emits an alarm sound and notifies relevant staff of the information. When the air suction component 41 is started, it can suck the hydrogen sulfide inside the protective frame 4 into the gas delivery component 4 through the communication hole 43. Through the setting of the first filter screen 22, the impurities and fine particles contained in the hydrogen sulfide are reduced. The dropped impurities and fine particles can enter the dust collection frame 21 for temporary storage. Through the setting of the first filter screen 22, the situation of the impurities inside the dust collection frame 21 being sucked out is reduced. The exhaust component 42 can blow the hydrogen sulfide sucked up by the air suction component 41 towards the gas treatment component 5. The hydrogen sulfide can enter the interior of the gas treatment box body 51 through the gas delivery component 4. The liquid containing box body 52 can spray the liquid inside it in the form of a water mist through the spraying component 53. When the hydrogen sulfide contacts the liquid under a certain pressure, it can turn into particles and fall onto the third filter screen 57. The excess liquid can be discharged through the drainage component 54 for processing and recycling. Through the setting of the solid particle retaining net 542, the situation of the solidified hydrogen sulfide particles flowing out with the river water is reduced. The pressure detection component 56 facilitates the staff to observe the pressure inside the gas treatment box body 51 externally. Through the setting of the heating component 55, it is convenient for the staff to adjust the temperature inside the gas treatment box body 51, ensuring the stability of the extractor b during operation and reducing the situation of internal gas leakage during the operation of the extractor b. When hydrogen sulfide leaks, it can be absorbed in time and the staff can be notified. The hydrogen sulfide can be processed into solid particles, reducing the situation of continuous entry of hydrogen sulfide gas into the collection box and increasing the internal pressure, which brings convenience to the subsequent work of the staff.

[0054] In the present utility model, the term "a plurality of" refers to at least two or more than two, unless otherwise clearly defined. Terms such as "installed", "connected", "connected to", "fixed" and other terms should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0055] In the description of this specification, the descriptions of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0056] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model may have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A device for detecting and absorbing hydrogen sulfide leakage from an oil and gas wellhead, which is in close contact with a handle (1) of an oil pump, and the handle (1) moves up and down inside an oil and gas well (a), characterized in that: include: A protective component (2) is arranged at the end of the oil and gas well and is sleeved on the handle (1), and a receiving space is formed between the protective component (2) and the handle (1); A sealing component (3) is arranged on the protective component (2), and the protective component (2) is in close contact with the handle (1) through the sealing component (3); A gas delivery component (4) is sleeved on the handle (1) and arranged on the protective component (2); a communication hole (43) is arranged between the gas delivery component (4) and the protective component (2); A gas processing component (5) is connected to the gas conveying component (4), the gas processing component (5) comprises a gas processing box (51), a liquid containing box (52), a spray component (53) and a liquid discharge component (54), the gas conveying component (4) is connected to the gas processing box (51), the liquid containing box (52) is arranged on the gas processing box (51), the spray component (53) is arranged on the gas processing box (51), the liquid containing box (52) and the spray component (53) are connected, and the liquid discharge component (54) is connected to the gas processing box (51); The gas monitoring component (6) is arranged between the protection component (2) and the handle (1) to form a containing space and is electrically connected to the alarm component (7).

2. The device for detecting and absorbing hydrogen sulfide leakage from an oil and gas wellhead according to claim 1, characterized in that: It also comprises a dust accumulation frame (21), wherein the dust accumulation frame (21) is located inside a receiving space formed by the protection component (2) and the handle rod (1), and the dust accumulation frame (21) is arranged at the end of the oil and gas well (a).

3. The device for detecting and absorbing hydrogen sulfide leakage from an oil and gas wellhead according to claim 2, characterized in that: It also comprises a first filter screen (22), wherein the first filter screen (22) is arranged on the dust accumulation frame (21), and the first filter screen (22) is a one-way filter screen.

4. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 3 is characterized in that: It also includes a second filter screen (23), wherein the second filter screen (23) is arranged in the communication hole (43).

5. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 3, characterized in that: It also includes an air suction component (41) which is arranged inside the gas delivery component (4).

6. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 5, characterized in that: The dust accumulation frame (21), the connecting hole (43) and the air suction component (41) are arranged in sequence in the length direction of the handle rod (1).

7. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 6, characterized in that: It also comprises an exhaust component (42), wherein the exhaust component (42) is located inside the gas conveying component (4), and the exhaust component (42) faces the gas processing component (5).

8. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 1, characterized in that: The gas processing component (5) further comprises a third filter screen (57), and the third filter screen (57) is arranged inside the gas processing box (51).

9. The device for detecting and absorbing hydrogen sulfide leakage from oil and gas wellheads according to claim 8, characterized in that: The gas processing component (5) further comprises a heating component (55), and the heating component (55) is arranged on the outer surface of the gas processing box (51).

10. The device for detecting and absorbing hydrogen sulfide leakage from an oil and gas wellhead according to claim 8, characterized in that: The gas processing component (5) further comprises a pressure detection component (56), and the pressure detection component (56) is in communication with the gas processing box (51).