Wellhead filter separator sledge for coal bed gas dehydration
By using graphene-coated guide tubes and multi-stage filter separators in the coalbed methane wellhead filter separator skid, the problem of pipeline aging in high-temperature corrosive gas treatment was solved, achieving efficient impurity removal and temperature monitoring, and improving the stability and safety of the equipment.
Patent Information
- Application Number
- CN202520058359.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing coalbed methane wellhead gas purification systems are prone to pipeline aging when handling high-temperature and corrosive gases, posing potential stability and safety risks.
It employs graphene-coated guide tubes, combined with filters and filter separators, to perform multi-stage filtration and gas-liquid separation, and is equipped with a bimetallic thermometer and a manually controlled ball valve to achieve efficient impurity removal and temperature monitoring.
It enhances gas filtration and separation, improves harvesting efficiency, extends equipment life, ensures smooth production, and allows liquid to be discharged in a timely manner through the level gauge, thereby improving the stability and safety of the system.
Smart Images

Figure CN223752696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coalbed gas dehydration wellhead filter separator skid technology field especially relates to a coalbed gas dehydration wellhead filter separator skid. BACKGROUND
[0002] The coalbed gas dehydration wellhead filter separator skid is a modular device integrating filtration, separation, drainage and gas output. It has high efficiency in removing water and impurities, ensuring the quality of coalbed gas and avoiding equipment damage and problems in gas transportation. Through modular design and automatic control, the maintenance and use efficiency of the equipment can be improved, providing strong support for the production and processing of coalbed gas.
[0003] The utility model discloses a wellhead gas purification system discloses a wellhead gas purification system, including filter, compressor, air cooler, gas -liquid separator, dehydration membrane separator and heavy hydrocarbon membrane separator, the filter one end is connected with wellhead gas pipeline, the filter gas outlet is connected with the air inlet of compressor, the air outlet of compressor is connected with the one end of air cooler, the other end of air cooler is connected with the access of gas -liquid separator, the gas outlet of gas -liquid separator is connected with the inlet of dehydration membrane separator, the gas outlet of dehydration membrane separator is connected with the heavy hydrocarbon membrane separator. Advantageous effect: adopt the membrane separation device in series, realize dehydration and heavy hydrocarbon removal through dehydration membrane separator and heavy hydrocarbon membrane separator respectively, the whole wellhead gas purification system simple structure, easy to assemble, easy to skid, small footprint, no additional material and reagent consumption, low operating cost.
[0004] The communication mode between the device pipelines adopts ordinary communication pipelines. When dealing with high-temperature and corrosive gas, the pipelines are prone to aging and performance decline due to high temperature, which may cause certain stability and safety hazards. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides a coalbed gas dehydration wellhead filter separator skid.
[0006] The utility model adopts the following technical scheme to realize: a coalbed gas dehydration wellhead filter separator skid, including air inlet pipe, the air inlet pipe inner wall is provided with air inlet gate valve, the air inlet pipe back surface is connected with filter, the filter is away from the air inlet pipe one end and is connected with guide clamp pipe, the guide clamp pipe bottom is fixedly connected with clamp pipe support frame, the clamp pipe support frame bottom is fixedly connected with base, the base top is fixedly connected with horizontal support seat, the horizontal support seat top is fixedly connected in the filter bottom.
[0007] By the above technical scheme, the intake gate valve is manually opened, the coal bed gas enters the filter through the intake pipe, and the coal bed gas after the filter enters the inside of the guide clamp pipe, the inside of the guide clamp pipe is coated with graphene, the impurities, solid particles, liquid drops or unnecessary substances in the coal bed gas can be filtered through the filter.
[0008] As a further improvement of the above scheme, the end of the guide clamp pipe away from the filter is provided with a filter separator in communication, the bottom of the filter separator is fixedly connected to the top of the base, a bimetallic thermometer is fixedly connected to the outer wall of the filter separator, and a liquid discharge pipe is provided at the bottom of the filter separator in communication.
[0009] As a further improvement of the above scheme, the end of the liquid discharge pipe away from the filter separator is fixedly connected with a hand-controlled ball valve, the end of the hand-controlled ball valve away from the liquid discharge pipe is provided with a second liquid discharge pipe in communication, and an electric ball valve is arranged on the inner wall of the second liquid discharge pipe.
[0010] As a further improvement of the above scheme, the left side of the liquid discharge pipe is provided with a first liquid level guide pipe in communication, the inner wall of the filter separator is provided with a second liquid level guide pipe in communication, the second liquid level guide pipe penetrates through the inner wall of the filter separator and extends, and the end of the first liquid level guide pipe away from the liquid discharge pipe is fixedly connected with a second hand-controlled ball valve.
[0011] As a further improvement of the above scheme, the end of the second liquid level guide pipe away from the filter separator is fixedly connected with a third hand-controlled ball valve, and the end of the second hand-controlled ball valve away from the first liquid level guide pipe is provided with a liquid level meter in communication.
[0012] As a further improvement of the above scheme, the end of the third hand-controlled ball valve away from the second liquid level guide pipe is arranged in the inner wall of the liquid level meter in communication, and the top of the filter separator is provided with an air outlet pipe in communication.
[0013] As a further improvement of the above scheme, the bottom of the outer wall of the air outlet pipe is fixedly connected with an air outlet pipe support frame, the bottom of the air outlet pipe support frame is fixedly connected to the top of the base, and the inner wall of the end of the air outlet pipe away from the filter separator is provided with an air inlet gate valve.
[0014] Through the above technical scheme, the coal bed gas entering the inside of the guide clamp pipe is filtered once and then enters the inside of the filter separator, and then the coal bed gas is further separated by the filter separator, so that the unnecessary components in the mixture can be effectively removed, the production process can be smoothly carried out, the temperature in the inside of the filter separator can be observed through the bimetallic thermometer, the liquid in the inside of the filter separator can be discharged outward through the liquid discharge pipe, and then the liquid in the inside of the liquid discharge pipe can flow to the second liquid discharge pipe by opening the hand-controlled ball valve.
[0015] Compared with the prior art, the beneficial effects of the present application are as follows:
[0016] The utility model discloses a guide card pipe inside smearing with graphene, can filter the impurity, solid particle, liquid drop or the unnecessary material in gas in coal bed gas through the filter, and then through the graphene can enhance the internal strength of guide card pipe, can enhance gas adsorption, improve the recovery efficiency, improve the function of gas separation.
[0017] The utility model discloses a coal bed gas enters the inside of filter separator after once filtering, and then carries out further gas-liquid separation to coal bed gas through filter separator, can effectively remove the unnecessary component in mixture, guarantees the smooth progress of production process, observes the temperature in the inside of filter separator through bimetallic thermometer, guarantees the best working temperature of filter separator and prolongs the service life of equipment, and the liquid separated in the inside of filter separator will flow in the direction of two-way liquid level meter through liquid discharge pipe and liquid level flow guide pipe, thereby knowing the height of liquid in the inside of filter separator, is convenient for observing and thereby discharges outward in time. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is whole structure schematic diagram of the utility model;
[0019] Figure 2 It is filter separator structure schematic diagram of the utility model;
[0020] Figure 3 It is inlet pipe front structure schematic diagram of the utility model;
[0021] Figure 4 It is top structure schematic diagram of the utility model;
[0022] Figure 5 It is front structure schematic diagram of the utility model.
[0023] Main symbol explanation:
[0024] 1, inlet pipe;2, inlet gate valve;3, filter;4, guide card pipe;5, card pipe support frame;6, horizontal support seat;7, base;8, filter separator;9, bimetallic thermometer;10, liquid discharge pipe;11, hand control type ball valve;12, liquid discharge pipe two;13, electric ball valve;14, liquid level flow guide pipe one;15, liquid level flow guide pipe two;16, liquid level meter;17, outlet pipe;18, outlet gate valve;19, outlet pipe support frame;20, electric control cabinet;21, hand control type ball valve two;22, hand control type ball valve three. DETAILED DESCRIPTION
[0025] Below, combining the drawings and specific implementation, the utility model is further described, need explaining, under the premise of not conflicting, the following description between each embodiment or between each technical feature can be any combination and form new embodiment.
[0026] Embodiment:
[0027] Please combine Figures 1-5 The embodiment is a wellhead filter separator skid for coal bed gas dehydration, which comprises an air inlet pipe 1, an air inlet gate valve 2 arranged on the inner wall of the air inlet pipe 1, a filter 3 arranged in communication on the back of the air inlet pipe 1, a guide clamp pipe 4 arranged in communication on the end of the filter 3 away from the air inlet pipe 1, a clamp pipe support frame 5 fixedly connected to the bottom of the guide clamp pipe 4, a base 7 fixedly connected to the bottom of the clamp pipe support frame 5, a horizontal support seat 6 fixedly connected to the top of the base 7, and the horizontal support seat 6 is fixedly connected to the bottom of the filter 3.
[0028] The guide clamp pipe 4 is arranged in communication on the end away from the filter 3, and a filter separator 8 is arranged in communication on the end away from the filter 3, the bottom of the filter separator 8 is fixedly connected to the top of the base 7, a bimetallic thermometer 9 is fixedly connected to the outer wall of the filter separator 8, and a liquid discharge pipe 10 is arranged in communication on the bottom of the filter separator 8.
[0029] The end of the liquid discharge pipe 10 away from the filter separator 8 is fixedly connected with a hand-operated ball valve 11, the end of the hand-operated ball valve 11 away from the liquid discharge pipe 10 is arranged in communication with a liquid discharge pipe 2 12, and the inner wall of the liquid discharge pipe 2 12 is provided with an electric ball valve 13.
[0030] The left side of the liquid discharge pipe 10 is arranged in communication with a liquid level guide pipe 1 14, the inner wall of the filter separator 8 is arranged in communication with a liquid level guide pipe 2 15, the liquid level guide pipe 2 15 penetrates through the inner wall of the filter separator 8 and extends, and the end of the liquid level guide pipe 1 14 away from the liquid discharge pipe 10 is fixedly connected with a hand-operated ball valve 2 21.
[0031] The end of the liquid level guide pipe 2 15 away from the filter separator 8 is fixedly connected with a hand-operated ball valve 3 22, and the end of the hand-operated ball valve 2 21 away from the liquid level guide pipe 1 14 is arranged in communication with a liquid level meter 16.
[0032] The end of the hand-operated ball valve 3 22 away from the liquid level guide pipe 2 15 is arranged in communication on the inner wall of the liquid level meter 16, and the top of the filter separator 8 is arranged in communication with an air outlet pipe 17.
[0033] The outer wall bottom of the air outlet pipe 17 is fixedly connected with an air outlet pipe support frame 19, the bottom of the air outlet pipe support frame 19 is fixedly connected to the top of the base 7, and the inner wall of the end of the air outlet pipe 17 away from the filter separator 8 is arranged with an air outlet gate valve 18.
[0034] The implementation principle of the wellhead filter separator skid for coal bed gas dehydration in the embodiment of the application is as follows: the gas inlet gate valve 2 is manually opened, the coal bed gas enters the filter 3 through the gas inlet pipe 1, the coal bed gas after passing through the filter 3 enters the inside of the guide clamp pipe 4, the inside of the guide clamp pipe 4 is coated with graphene, the filter 3 can filter the impurities, solid particles, liquid drops or unnecessary substances in the gas in the coal bed gas, the graphene can enhance the strength of the inside of the guide clamp pipe 4, can enhance the gas adsorption, improve the recovery efficiency and improve the gas separation effect, the coal bed gas in the inside of the guide clamp pipe 4 after once filtering enters the inside of the filter separator 8, the filter separator 8 further separates the gas and liquid in the coal bed gas, can effectively remove the unnecessary components in the mixture, ensures the smooth progress of the production process, the double metal thermometer 9 can be used to observe the temperature in the inside of the filter separator 8, the liquid in the inside of the filter separator 8 is discharged outward through the liquid discharge pipe 10, the hand-controlled ball valve 11 is opened, the liquid in the inside of the liquid discharge pipe 10 flows to the liquid discharge pipe two 12, the separated liquid is discharged outward through the electric ball valve 13, the hand-controlled ball valve two 21 and the hand-controlled ball valve three 22 are opened, the separated liquid in the inside of the filter separator 8 flows to the liquid level meter 16 through the liquid discharge pipe 10 and the liquid level guide pipe two 15, so that the height of the liquid in the inside of the filter separator 8 is obtained, the separated liquid in the inside of the filter separator 8 is discharged outward in time, the gas separated by the filter separator 8 moves to the gas outlet gate valve 18 through the gas outlet pipe 17, the gas after the filtering process is discharged outward through the opening of the gas outlet gate valve 18. The above embodiment is only the preferred embodiment of the application, cannot be used to limit the range of the application, any non-substantial change and replacement made by the person skilled in the art on the basis of the application belongs to the range of the application.
Claims
1. A wellhead filter separator skid for coal bed gas dewatering, characterized by, The utility model provides an air intake pipe (1) is provided with air intake gate valve (2) in the inner wall, the back surface intercommunication of air intake pipe (1) is provided with filter (3), the far end of filter (3) away from air intake pipe (1) intercommunication is provided with guide card pipe (4), the bottom fixed connection of guide card pipe (4) has card pipe support frame (5), the bottom fixed connection of card pipe support frame (5) has base (7), the top fixed connection of base (7) has horizontal support seat (6), the top fixed connection of horizontal support seat (6) is in filter (3) bottom.
2. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 1, characterized in that: The far end of guide card pipe (4) away from filter (3) intercommunication is provided with filter separator (8), the bottom fixed connection of filter separator (8) is in the top of base (7), the outer wall fixed connection of filter separator (8) has bimetallic thermometer (9), the bottom intercommunication of filter separator (8) is provided with drainage pipe (10).
3. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 2, characterized in that: The far end fixed connection of drainage pipe (10) away from filter separator (8) has hand control type ball valve (11), the far end intercommunication of hand control type ball valve (11) away from drainage pipe (10) is provided with drainage pipe two (12), the inner wall of drainage pipe two (12) is provided with electric ball valve (13).
4. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 3, characterized in that: The left side intercommunication of drainage pipe (10) is provided with liquid level flow guide pipe one (14), the inner wall intercommunication of filter separator (8) is provided with liquid level flow guide pipe two (15), liquid level flow guide pipe two (15) penetrates through the inner wall of filter separator (8) and extends, the far end fixed connection of liquid level flow guide pipe one (14) away from drainage pipe (10) has hand control type ball valve two (21).
5. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 4, characterized in that: The far end fixed connection of liquid level flow guide pipe two (15) away from filter separator (8) has hand control type ball valve three (22), the far end intercommunication of hand control type ball valve two (21) away from liquid level flow guide pipe one (14) is provided with liquid level meter (16).
6. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 5, characterized in that: The far end intercommunication of hand control type ball valve three (22) away from liquid level flow guide pipe two (15) is in the inner wall of liquid level meter (16), the top intercommunication of filter separator (8) is provided with air outlet pipe (17).
7. A wellhead filter separator skid for coal bed gas dewatering as claimed in claim 6, characterized in that: The outer wall bottom fixed connection of air outlet pipe (17) has air outlet pipe support frame (19), the bottom fixed connection of air outlet pipe support frame (19) is in the top of base (7), the inner wall of the far end of air outlet pipe (17) away from filter separator (8) is provided with air outlet gate valve (18).
Citation Information
Patent Citations
Wellhead gas purification system
CN210915968U