Automatic measuring device for output liquid of coal-bed gas well

Abstract

The utility model discloses an automatic measuring device for output liquid of a coal-bed gas well, which comprises a box body fixedly connected with a water inlet pipe, one end of the water inlet pipe fixedly connected with a filter cartridge, the outer surface of the filter cartridge fixedly connected with a discharge port, the inner surface of the box body fixedly connected with a base, and the upper surface of the base fixedly connected with a motor. The output end of the motor is fixedly connected with an auger, the auger is provided with filtering holes, the inner surface of the box body is fixedly connected with a placing box, a sliding groove is formed in the placing box, the placing box is movably connected with a cleaning box, and the lower surface of the cleaning box is fixedly connected with a sliding block. The solid impurities in the liquid can be effectively filtered out, and the existence of the impurities can influence the flow characteristics and physical property parameters of the liquid, so that the measurement accuracy is reduced, the state of the filtered liquid is more stable, the measurement result is more accurate and reliable, and the solid impurities are prevented from damaging a measurement instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid measurement, in particular to an automatic measuring device for the produced liquid of a coalbed methane well. Background Art

[0002] The main component of the produced liquid of a coalbed methane well is water, and it also contains a small amount of coal powder and gas. In the initial stage of production, it also contains some fracturing fluid. The coal powder and gas have a great influence on the measurement accuracy of the liquid. However, in the existing devices during measurement, the content of solid impurities is relatively high, which may affect the measurement accuracy and may damage the measuring equipment. For example, China has published "an automatic measuring device for the produced liquid of a coalbed methane well" with the application number: "CN201420579369.8". It accurately measures the liquid production volume by measuring the volume of the produced liquid flowing into the bucket within a certain time, and completes gas-liquid separation through the internal structure of the bucket before measurement, maximizing the measurement accuracy of the produced liquid and the service life of the equipment. However, it cannot filter out the solid impurities in the liquid, cannot prevent the existence of impurities from affecting the flow characteristics and physical property parameters of the liquid, and it cannot conveniently handle the filtered impurities, thus cannot detect the impurities. Content of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an automatic measuring device for the produced liquid of a coalbed methane well. Through the cooperation of a filter barrel, a motor, a screw conveyor and filter holes, the solid impurities in the liquid can be effectively filtered out. The existence of impurities will affect the flow characteristics and physical property parameters of the liquid, thereby reducing the measurement accuracy. After filtration, the liquid state is more stable and the measurement result is more accurate and reliable, preventing solid impurities from damaging the measuring instrument; through the cooperation of a placement box, a cleaning box, a slider and a chute, the filtered impurities can be conveniently cleaned, and the impurities can be conveniently detected, so as to understand information such as the composition and content of the solid impurities in the bottom-hole produced liquid, providing a basis for judging the bottom-hole production condition.

[0004] The present utility model also provides an automatic measuring device for the produced fluid of a coalbed methane well, including: a box body, a water inlet pipe fixedly connected to the box body, a filtering cylinder fixedly connected to one end of the water inlet pipe, a discharge port fixedly connected to the outer surface of the filtering cylinder, a base fixedly connected to the inner surface of the box body, a motor fixedly connected to the upper surface of the base, a screw conveyor fixedly connected to the output end of the motor, filter holes provided on the screw conveyor, a placement box fixedly connected to the inner surface of the box body, a sliding groove provided in the placement box, a cleaning box movably connected in the placement box, a slider fixedly connected to the lower surface of the cleaning box, a temperature sensor fixedly connected in the box body, and a liquid level sensor fixedly connected in the box body. Through the cooperation of the filtering barrel, the motor, the screw conveyor and the filter holes, solid impurities in the liquid can be effectively filtered out. The presence of impurities will affect the flow characteristics and physical property parameters of the liquid, thereby reducing the measurement accuracy. After filtration, the liquid state is more stable and the measurement result is more accurate and reliable, preventing solid impurities from damaging the measuring instrument; through the cooperation of the placement box, the cleaning box, the slider and the sliding groove, the filtered impurities can be conveniently cleaned, and it is convenient to detect the impurities, so as to understand information such as the composition and content of solid impurities in the bottom-hole produced fluid, providing a basis for judging the bottom-hole production condition.

[0005] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, one end of the discharge port away from the filtering cylinder is fixedly connected to the placement box, and a second leakage hole is provided on the placement box, through which the liquid on the solid impurities can leak out.

[0006] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, the slider is movably connected to the sliding groove and movably connected to the placement box, which can conveniently slide out the cleaning box and reduce the working difficulty.

[0007] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, a support plate is fixedly connected to the outer surface of the filtering cylinder, and the support plate is fixedly connected to the box body, which can stably support the filtering cylinder.

[0008] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, a rotating shaft is rotatably connected to the outer surface of the placement box, and a rotating door is fixedly connected to the outer surface of the rotating shaft, which can conveniently open the placement box to clean the filtered solid impurities.

[0009] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, a handle is fixedly connected to the outer surface of the rotating door, which can conveniently control the rotating door.

[0010] According to the automatic measuring device for the produced fluid of a coalbed methane well described in the present utility model, a first leakage hole is provided on the cleaning box, through which the liquid in the solid impurities can be filtered out, and a handle is fixedly connected to the outer surface of the cleaning box, which can conveniently pull out the cleaning box for cleaning.

[0011] For the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model, the auger is movably connected to the filter cylinder, and the auger is movably connected to the discharge port, which can effectively filter out the liquid and ensure the stability of the auger structure.

[0012] Beneficial effects

[0013] 1. Compared with the prior art, for the novel automatic measuring device for the produced fluid of a coalbed methane well, through the cooperation of the filter barrel, the motor, the auger and the filter holes, the solid impurities in the liquid can be effectively filtered out. The existence of impurities will affect the flow characteristics and physical property parameters of the liquid, thereby reducing the measurement accuracy. After filtration, the liquid state is more stable, the measurement result is more accurate and reliable, and the solid impurities are prevented from damaging the measuring instrument.

[0014] 2. Compared with the prior art, for the novel automatic measuring device for the produced fluid of a coalbed methane well, through the cooperation of the placement box, the cleaning box, the slider and the chute, the filtered impurities can be conveniently cleaned, and the impurities can be conveniently detected, so as to understand the composition, content and other information of the solid impurities in the bottom-hole produced fluid, providing a basis for judging the bottom-hole production condition. Description of the drawings

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0016] Figure 1 It is a right view of the internal structure of the box body of the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model;

[0017] Figure 2 It is a left view of the internal structure of the box body of the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model;

[0018] Figure 3 It is a rear view structure diagram of the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model;

[0019] Figure 4 It is a structural diagram of the interior of the placement box of the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model;

[0020] Figure 5 It is a schematic diagram of the connection structure of the filter barrel of the automatic measuring device for the produced fluid of a coalbed methane well according to the present utility model.

[0021] Legend description:

[0022] 1. Box body; 2. Water inlet pipe; 3. Filter cylinder; 4. Base; 5. Motor; 6. Auger; 7. Filter holes; 8. Discharge port; 9. Placement box; 10. Chute; 11. Cleaning box; 12. Slider; 13. Temperature sensor; 14. Liquid level sensor. Specific embodiments

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0024] Referring to Figures 1-5 , in the automatic measuring device for the produced fluid of a coalbed methane well in the embodiment of the present utility model, it includes: a box body 1 for placing the liquid and supporting the whole device. A water inlet pipe 2 is fixedly connected to the box body 1 for the box body 1 to intake water. One end of the water inlet pipe 2 is fixedly connected with a filter cylinder 3 for filtering impurities and supporting other structures. A discharge port 8 is fixedly connected to the outer surface of the filter cylinder 3 for discharging the filtered impurities. A base 4 is fixedly connected to the inner surface of the box body 1 for fixing the motor 5. A motor 5 is fixedly connected to the upper surface of the base 4 for providing power to the auger 6. The output end of the motor 5 is fixedly connected with an auger 6 for rotating and transporting solid impurities. Filter holes 7 are provided on the auger 6 for the liquid to flow out. A placement box 9 is fixedly connected to the inner surface of the box body 1 for supporting other structures. A chute 10 is provided in the placement box 9 for the slider 12 to slide. A cleaning box 11 is movably connected in the placement box 9 for placing the filtered solid impurities. A slider 12 is fixedly connected to the lower surface of the cleaning box 11 for driving the cleaning box 11 to slide. A temperature sensor 13 is fixedly connected in the box body 1 for detecting the liquid temperature. A liquid level sensor 14 is fixedly connected in the box body 1 for detecting the liquid level.

[0025] One end of the discharge port 8 far from the filter cylinder 3 is fixedly connected to the placement box 9 for transporting the filtered impurities into the placement box 9. Second leakage holes are provided on the placement box 9 for filtering the liquid on the solid impurities. The slider 12 is movably connected with the chute 10 and movably connected with the placement box 9 for the slider 12 to drive the cleaning box 11 to slide. A support plate is fixedly connected to the outer surface of the filter cylinder 3, and the support plate is fixedly connected to the box body 1 for supporting the filter cylinder 3. A rotating shaft is rotatably connected to the outer surface of the placement box 9 for opening the rotating door. A rotating door is fixedly connected to the outer surface of the rotating shaft for closing and opening the cleaning box 11. A handle is fixedly connected to the outer surface of the rotating door. First leakage holes are provided on the cleaning box 11 for filtering the liquid on the solid impurities. A buckle is fixedly connected to the outer surface of the cleaning box 11 for pulling the cleaning box 11. The auger 6 is movably connected with the filter cylinder 3 and movably connected with the discharge port 8.

[0026] Working principle: When in use, the liquid enters the box body 1 through the water inlet pipe 2, and then the liquid in the water inlet pipe 2 enters the filter cylinder 3. Then, the motor 5 drives the auger 6 to rotate, and the liquid is filtered through the filter holes 7 on the auger 6 and flows into the box body 1. Through the detection of the temperature sensor 13 and the liquid level sensor 14, the solid enters the placement box 9 through the discharge port 8. Then, the slider 12 can slide in the chute 10 to drive the cleaning box 11 to slide out of the placement box 9 to clean the solid impurities.

[0027] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art to which the present invention pertains.

Claims

1. Automatic measuring device for produced fluid of coalbed methane well, characterized in that, Comprising: A box body (1), on which a water inlet pipe (2) is fixedly connected. One end of the water inlet pipe (2) is fixedly connected with a filter cylinder (3). A discharge port (8) is fixedly connected to the outer surface of the filter cylinder (3). A base (4) is fixedly connected to the inner surface of the box body (1). A motor (5) is fixedly connected to the upper surface of the base (4). The output end of the motor (5) is fixedly connected with a screw conveyor (6). Filter holes (7) are provided on the screw conveyor (6). A placement box (9) is fixedly connected to the inner surface of the box body (1). A chute (10) is provided in the placement box (9). A cleaning box (11) is movably connected in the placement box (9). A slider (12) is fixedly connected to the lower surface of the cleaning box (11). A temperature sensor (13) is fixedly connected in the box body (1). A liquid level sensor (14) is fixedly connected in the box body (1).

2. The automatic measuring device for the produced fluid of the coalbed methane well according to claim 1, wherein One end of the discharge port (8) away from the filter cylinder (3) is fixedly connected with the placement box (9). Second leakage holes are provided on the placement box (9).

3. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 1, wherein, The slider (12) is movably connected with the chute (10), and the slider (12) is movably connected with the placement box (9).

4. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 1, characterized in that, A support plate is fixedly connected to the outer surface of the filter cylinder (3), and the support plate is fixedly connected with the box body (1).

5. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 1, wherein A rotating shaft is rotatably connected to the outer surface of the placement box (9), and a rotating door is fixedly connected to the outer surface of the rotating shaft.

6. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 5, wherein A handle is fixedly connected to the outer surface of the rotating door.

7. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 1, characterized in that, First leakage holes are provided on the cleaning box (11), and a buckle is fixedly connected to the outer surface of the cleaning box (11).

8. The automatic measuring device for the produced fluid of a coalbed methane well according to claim 1, wherein The screw conveyor (6) is movably connected with the filter cylinder (3) and movably connected with the discharge port (8).

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