CN217327632U

CN217327632U - Accurate detection device of coal bed gas well pump efficiency

Info

Publication number: CN217327632U
Application number: CN202220739033.8U
Authority: CN
Inventors: 崔祖维; 陈斌; 盖志亮; 王磊; 刘航; 常珍; 李建良; 吕璐
Original assignee: Shanxi Lanyan Coalbed Methane Group Co ltd
Current assignee: Shanxi Lanyan Coalbed Methane Group Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-30
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to an accurate detection device of coal bed gas well pump efficiency belongs to coal bed gas row and adopts technical field. The problem of prior art pump efficiency detecting system structure complicated, bulky, be not convenient for use under multiple complicated operating mode, be accompanied gas outgoing in can't overcoming the drainage in the coal bed gas drainage field, to the influence scheduling that the pump efficiency detected the accuracy and brought is solved in order to solve. The utility model provides an accurate detection device of coal bed gas well pump efficiency, includes cup, horizontal stand, observation pipe, the horizontal stand with the cup bottom is parallel, the observation pipe sets up the cup side, the bottom of observation pipe with cup bottom intercommunication. The utility model discloses a coal bed gas well pump efficiency accurate detection device is small, portable, strong adaptability, detect the accuracy.

Description

Accurate detection device of coal bed gas well pump efficiency

Technical Field

The utility model relates to a technical field is adopted in the coal bed gas row, concretely relates to accurate detection device is imitated to coal bed gas well pump.

Background

The drainage and depressurization of the coal bed gas well are used for realizing the extraction of the coal bed gas, and the operation efficiency of the underground extraction equipment of the coal bed gas well can be judged by measuring the pump efficiency in daily drainage and extraction. The pump efficiency reflects the performance of the pump and whether the equipment parameter is selected properly, and the pump efficiency measurement result is a crucial parameter for the drainage and mining personnel. The method for detecting the pumping efficiency of the coal-bed gas well can be used for solving and judging the faults of poor pumping efficiency, leakage, broken rods and the like of underground extraction equipment of the coal-bed gas well, and providing important support for follow-up extraction, fault reason analysis and gas well parameter adjustment.

At present, no more effective measuring mode exists for the measurement of the pump efficiency in the coal bed gas drainage and mining industry, the method for measuring the pump efficiency is rough and has low accuracy, rough observation is carried out at the outlet of a drainage pipe through manpower, the accuracy is greatly reduced, and meanwhile, because the water body driven by the pump efficiency is not obviously lifted and sunk, the measurement error in drainage and mining is caused, and the error judgment and the error in subsequent drainage and mining work are easily caused.

Prior art CN108626106B discloses an ESC plunger pump efficiency testing system. ESC plunger pump efficiency test system includes: the device comprises an oil tank, a first detection device, a second detection device, a rotating speed detection device, a plunger pump and a motor module; a driving motor in the motor module drives the plunger pump to work, a first oil inlet and a first oil outlet are formed in the first detection device, the first oil inlet is communicated with the oil tank, the first oil outlet is communicated with an oil inlet of the plunger pump, and the first detection device can detect the volume of liquid actually sucked by the plunger pump; the second detection device is provided with a second oil inlet and a second oil outlet, the second oil inlet is communicated with the oil outlet of the plunger pump, the second oil outlet is communicated with the oil tank, and the second detection device can detect the volume of liquid actually discharged by the plunger pump; the rotating speed detection device is used for detecting the rotating speed output by the driving motor. To alleviate the technical problems of the prior art in which there is a lack of means for individually testing plunger pumps. The pump efficiency test system has the following disadvantages: the structure is complex, the volume is huge, the use under various complex working conditions is inconvenient, and the influence on the pump efficiency detection accuracy caused by gas discharge accompanied in drainage cannot be overcome when the device is applied to the field of coal bed gas drainage and mining.

Disclosure of Invention

In order to solve the problems existing in the prior art: the pump efficiency detection system is complex in structure, large in size, inconvenient to use under various complex working conditions, and incapable of overcoming the influence on the pump efficiency detection accuracy caused by gas discharge accompanied in drainage in the coal bed gas drainage field. The utility model provides a small, portable, strong adaptability, detect accurate detection device of coal bed gas well pump efficiency.

The utility model adopts the technical proposal that: the utility model provides an accurate detection device of coal bed gas well pump efficiency, includes cup, horizontal stand, observation pipe, the horizontal stand with the cup bottom is parallel, the observation pipe sets up the cup side, the bottom of observation pipe with cup bottom intercommunication.

Furthermore, the cup body is a transparent cylindrical measuring cup, the horizontal support is arranged at the middle lower part in the cup body, the observation tube is vertically arranged at one side of the horizontal support, and the observation tube is tightly attached to the inner wall of the cup body.

Furthermore, the cup body is provided with scale marks and scale degrees for displaying the volume of liquid in the cup body.

Furthermore, the observation tube is provided with scale marks and scale degrees for displaying the volume of the liquid in the cup body.

Furthermore, the zero number of the scale number is arranged above the bottom of the cup body, and a negative value is arranged below the zero number.

Furthermore, the horizontal support is a transparent tube, and a ball capable of freely moving is arranged in the transparent tube.

Furthermore, the horizontal support is a transparent tube, and a leveling bubble is arranged in the transparent tube.

Further, a handle is arranged on the outer wall of the cup body.

Compared with the prior art, the utility model discloses use the accurate detection device of pump efficiency of common cup, horizontal stand and observation tube preparation in the life production, simple structure, it is small, easy and simple to handle, portable detects the accuracy. The utility model discloses it is visual to set up horizontal stand and will keep the cup to be in the horizontality when measuring, sets up the observation tube and can not receive the internal bubble of graduated flask to influence, and the fluctuation of accurate observation liquid column is observed simply, convenient to use, and through the efficiency quantization with the pump, the conclusion is reliable. Simultaneously, do not understand the equipment principle measurement personnel also accessible in the pit the utility model discloses measure the gas well pump efficiency.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

the notation in the figure is: 1. a cup body; 2. a horizontal support; 3. an observation tube; 4. a handle; 5. a round ball.

Detailed Description

In order to understand the utility model discloses a purpose, structure and function better, combine the figure below, it is right to the utility model relates to a coal bed gas well pump efficiency accurate detection device does further detailed description.

As shown in figures 1 and 2, an accurate detection device of coal bed gas well pump efficiency, including body 1, horizontal stand 2, observation pipe 3 and handle 4, cup 1 is cylindrical transparent graduated flask, and horizontal stand 2 installs in cup 1, and is parallel with 1 bottom of cup, apart from 1 bottom of cup 2 cm. The horizontal support 2 is a transparent round tube, and a round bead 5 for indicating the state is arranged inside the horizontal support, of course, the horizontal support can also be a square tube, and the horizontal support can also be a level bubble inside the horizontal support. The observation tube 3 is arranged on one side of the horizontal support 2 and is tightly attached to the inner wall of the cup body 1, scale marks are attached to the outer wall of the observation tube 3, and positive and negative scale degrees are attached to the outer wall of the cup body close to the scale marks. A handle 4 is arranged on the outer wall of the cup body 1 opposite to the observation tube 3. The horizontal bracket 2 can visually see whether the measuring cup is in a horizontal state during measurement, and a 2cm distance is reserved between the cup body 1 and the bottom of the observation tube 3, so that drainage and mining water can return to the inside of the observation tube 3 through a gap.

During the use, place coal bed gas well drain pipe delivery port under with cup 1, the contact of drain pipe delivery port and cup 1 bottom horizontal stand 2 keeps steady state, wait for the drainage to get into cup 1 bottom, along with the rising of water level, the discharge of gas is accompanied in the drainage, form the bubble upwelling, the liquid level rolls in the

cup

1, and 3 sectional areas of observation pipe are little, the bubble can't get into in observation pipe 3, the liquid level steadily rises or descends, can accurately observe the fluctuation of liquid column through observation pipe 3. Meanwhile, the observation pipe 3 is communicated with the cup body 1, and a detector can accurately measure the volume of the drainage and mining water according to the fluctuation of a liquid column in the observation pipe 3 when the drainage and mining water is observed to be produced, so that the effective rate of each work of the underground extraction equipment is accurately calculated.

The utility model is suitable for an at present all coal bed gas wells, observe simple, convenient to use, through the efficiency quantization with the pump, the conclusion is reliable. Simultaneously, do not understand the equipment principle in the pit and measurement personnel also can be through this utility model measurement gas well pump efficiency. In addition, the device can also set the measuring range according to the water yield of the gas well.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides an accurate detection device is imitated to coal bed gas well pump, its characterized in that: including cup (1), horizontal stand (2), observation pipe (3), horizontal stand (2) with cup (1) bottom is parallel, observation pipe (3) set up cup (1) side, the bottom of observation pipe (3) with cup (1) bottom intercommunication.

2. The accurate detection device of coal-bed gas well pump efficiency of claim 1, characterized in that: the cup body (1) is a transparent cylindrical measuring cup, the horizontal support (2) is arranged at the middle lower part in the cup body (1), the observation tube (3) is vertically arranged at one side of the horizontal support (2), and the observation tube (3) is tightly attached to the inner wall of the cup body (1).

3. The accurate detection device of coal-bed gas well pump efficiency of claim 1, characterized in that: the cup body (1) is provided with scale marks and scale numbers for displaying the volume of liquid in the cup body (1).

4. The accurate detection device of coal-bed gas well pump efficiency of claim 1, characterized in that: the observation tube (3) is provided with scale marks and scale numbers for displaying the volume of the liquid in the cup body (1).

5. The device for accurately detecting the pumping efficiency of the coal-bed gas well according to claim 3 or 4, is characterized in that: the zero number of the scale number is above the bottom of the cup body (1), and a negative value is below the zero number.

6. The accurate detection device of coal-bed gas well pump efficiency of claim 1, characterized in that: the horizontal support (2) is a transparent tube, and a round bead (5) capable of moving freely is arranged in the transparent tube.

7. The accurate detection device of coal-bed gas well pump efficiency of claim 1, characterized in that: the horizontal support (2) is a transparent tube, and a level bubble is arranged in the transparent tube.

8. The device for accurately detecting the pumping efficiency of the coal-bed gas well according to any one of claims 1 to 4, 6 and 7, is characterized in that: the outer wall of the cup body (1) is provided with a handle (4).