CN210514204U

CN210514204U - Coal bed desorption gas component analysis advances appearance automation equipment

Info

Publication number: CN210514204U
Application number: CN201921524210.5U
Authority: CN
Inventors: 乔方; 胡维强; 黄英; 李洋冰; 陈鑫; 马立涛; 刘成; 刘再振
Original assignee: Engineering Technology Branch of CNOOC Energy Technology and Services Ltd
Current assignee: Engineering Technology Branch of CNOOC Energy Technology and Services Ltd
Priority date: 2019-09-14
Filing date: 2019-09-14
Publication date: 2020-05-12
Anticipated expiration: 2029-09-14

Abstract

The utility model discloses an automatic sample introduction device for analyzing components of desorption gas of a coal bed, which comprises a drying device and an air inlet component, wherein the air inlet component is connected with one end of the drying device through an air inlet pipe, and the other end of the drying device is connected with an air outlet pipe; the utility model discloses when using, make the saturated salt solution in the solution jar enter into the solution layer through pressure device, then rise along with the intraformational liquid level of solution, and then make the sample gas layer on upper strata enter into drying device in, flow from the outlet duct at last, through pressure device, can convenient and fast pressurize to make sample gas can make things convenient for more laborsaving realization advance kind.

Description

Coal bed desorption gas component analysis advances appearance automation equipment

Technical Field

The utility model relates to a coal seam desorption gas field, more specifically say, relate to a coal seam desorption gas component analysis advances kind automation equipment.

Background

The conventional natural gas is generally tested by collecting gas samples by using special air bags or steel cylinders, but the coal bed desorption gas can be collected and tested only by using a brine glass bottle through a drainage method; when the desorbed gas components are tested, a 50ml injector is adopted to inject saturated saline solution into a glass bottle, and the pressure in the bottle is increased for sample injection; when the method is used for sample injection, manual water injection and pressure holding injection are needed; because the desorption gas component test sampling success rate has a great relation with the sampling rate, the pressure and the like, the sampling amount can be ensured only by a certain amount of compressed gas, and the operation intensity is high; if the strength of the girl is small, the work cannot be finished, and the male students need to inject water to hold pressure for assistance, so that the labor is wasted; when water is injected, safety problems such as pricking of a syringe needle, pressure-building burst of a glass bottle and the like need to be prevented, and certain danger is caused; in addition, the desorbed gas sample is inevitably accompanied by the entry of a small amount of water vapor during sample introduction, so that the service life of the chromatographic column is damaged, the gas components cannot be normally separated, and the accuracy of an experimental result is influenced; therefore, the desorbed gas component testing and sampling system needs to be optimized and improved, so that the automation degree is improved, the manual strength is reduced, the working efficiency is improved, and the cost reduction and the efficiency improvement are realized.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Need great dynamics to the sample gas appearance that exists among the prior art, the problem of the operational difficulties, the utility model aims to provide a coal seam desorption gas component analysis advances kind automation equipment, and it can realize more convenient laborsaving sample gas advances kind operation.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a coal seam desorption gas component analysis advances a kind automation equipment, includes drying device, still includes the subassembly of admitting air, the subassembly of admitting air pass through the intake pipe and drying device's one end is connected, drying device's the other end connects the outlet duct.

Preferably, the air inlet assembly comprises a pressurizing device, a solution tank, a sample air tank and an air storage device, wherein the pressurizing device is communicated with the upper part of the solution tank through a first air duct, and the lower part of the solution tank is communicated with the bottom end of the sample air tank through a second air duct;

the bottom of the interior of the sample gas tank is a solution layer, the top of the interior of the sample gas tank is a sample gas layer, the sample gas layer is connected with a gas storage device through a third gas guide pipe, and the sample gas layer is connected with a drying device through a gas inlet pipe.

Preferably, the solution in the solution layer and the solution tank is saturated saline solution.

Preferably, a piston is arranged between the solution layer and the sample gas layer.

Preferably, the pressurizing device is a gas cylinder.

Preferably, pressure device include pressurization piston, lift post and half-tooth gear, the upper surface of pressurization piston and the bottom fixed connection of lift post, the upper surface of lift post is seted up flutedly, the relative both sides wall of recess be provided with the gear tooth, be provided with half-tooth gear in the middle of the recess, half-tooth gear and motor connection, motor electricity connecting power, the pressurization piston is located the solution jar, first air duct, second air duct, intake pipe and third air duct on all be provided with the check valve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of: the utility model discloses when using, make the saturated salt solution in the solution jar enter into the solution layer through pressure device, then rise along with the intraformational liquid level of solution, and then make the sample gas layer on upper strata enter into drying device in, flow from the outlet duct at last, through pressure device, can convenient and fast pressurize to make sample gas can make things convenient for more laborsaving realization advance kind.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the pressurizing device of the present invention.

The reference numbers in the figures illustrate:

1. a drying device; 2. an air inlet pipe; 3. an air outlet pipe; 4. a pressurizing device; 5. a first air duct; 6. a solution tank; 7. a second air duct; 8. a sample gas tank; 9. a solution layer; 10. a sample gas layer; 11. a third air duct; 12. a gas storage device; 13. a pressurizing piston; 14. a lifting column; 15. a half-tooth gear; 16. a groove; 17. gear teeth.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-2, an automatic analyzing and sampling device for a desorbed gas component of a coal seam comprises a drying device 1 and an air inlet component, wherein the air inlet component is connected with one end of the drying device 1 through an air inlet pipe 2, and the other end of the drying device 1 is connected with an air outlet pipe 3. The drying device is connected with subsequent related devices through an air outlet pipe, and different devices are selected according to different experiments.

The air inlet assembly comprises a pressurizing device 4, a solution tank 6, a sample air tank 8 and an air storage device 12, wherein the pressurizing device 4 is communicated with the upper part of the solution tank 6 through a first air duct 5, and the lower part of the solution tank 6 is communicated with the bottom end of the sample air tank 8 through a second air duct 7;

the bottom of the inside of the sample gas tank 8 is a solution layer 9, the top is a sample gas layer 10, the sample gas layer 10 is connected with a gas storage device 12 through a third gas guide pipe 11, and the sample gas layer 10 is connected with a drying device 1 through a gas inlet pipe 2.

The pressurizing device pressurizes, the pressurizing mode is air pressure, the solution in the solution tank flows into the solution layer in the sample gas tank under the action of the air pressure, the sample gas above the solution layer enters the drying device along with the rise of the liquid level of the solution layer, when the sample gas needs to be supplemented, the pressurizing device is closed, the solution tank is communicated with the external atmosphere, the valve of the gas storage device is opened, and the sample gas enters the sample gas layer under the action of the pressure.

The solution in the solution layer 9 and the solution in the solution tank 6 are both saturated saline solution which is not compatible with the sample gas.

A piston is arranged between the solution layer 9 and the sample gas layer 10, and when other solutions are selected for the solution in the solution layer 9 and the solution in the solution tank 6, the piston is added to avoid compatibility with the sample gas.

The first embodiment is as follows: the pressurizing device 4 is a gas cylinder, and the gas cylinder can be opened for pressurizing.

Example two: as shown in fig. 2, the pressurizing device 4 comprises a pressurizing piston 13, a lifting column 14 and a half-tooth gear 15, the upper surface of the pressurizing piston 13 is fixedly connected with the bottom end of the lifting column 14, a groove 16 is formed in the upper surface of the lifting column 14, gear teeth 17 are arranged on two opposite side walls of the groove 16, the half-tooth gear 15 is arranged in the middle of the groove 16, the half-tooth gear 15 is connected with a motor, the motor is electrically connected with a power supply, the pressurizing piston 13 is positioned in the solution tank 6, and one-way valves are arranged on the first air duct 5, the second air duct 7, the air inlet pipe 2 and the third air duct 11.

The motor is electrified to drive the half-tooth gear to rotate, and then the pressurizing piston is driven to move up and down through the lifting column, so that the sample gas can repeatedly flow out of the gas storage device 12 and enter the sample gas tank; wherein pressure device both can the peripheral hardware shell, through acting on the shell, makes the gas of shell enter into solution tank 6 through first air duct 5 in, also can cancel first air duct, directly places pressure device in the top of solution tank 6, through the solution pressurization to in the solution tank.

The utility model is simple in operation and labor-saving.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a coal seam desorption gas component analysis advances a kind automation equipment, includes drying device (1), its characterized in that: still include the subassembly that admits air, the subassembly that admits air connect through intake pipe (2) and drying device (1) one end, outlet duct (3) are connected to the other end of drying device (1).

2. The automatic analysis and sample injection device for the components of the desorbed gas of the coal bed according to claim 1, wherein: the air inlet assembly comprises a pressurizing device (4), a solution tank (6), a sample air tank (8) and an air storage device (12), wherein the pressurizing device (4) is communicated with the upper part of the solution tank (6) through a first air duct (5), and the lower part of the solution tank (6) is communicated with the bottom end of the sample air tank (8) through a second air duct (7);

the bottom of the interior of the sample gas tank (8) is a solution layer (9), the top of the interior of the sample gas tank is a sample gas layer (10), the sample gas layer (10) is connected with a gas storage device (12) through a third gas guide pipe (11), and the sample gas layer (10) is connected with a drying device (1) through a gas inlet pipe (2).

3. The automatic analysis and sample injection device for the components of the desorbed gas of the coal bed according to claim 2, wherein: the solution in the solution layer (9) and the solution in the solution tank (6) are both saturated salt water.

4. The automatic analysis and sample injection device for the components of the desorbed gas of the coal bed according to claim 2, wherein: and a piston is arranged between the solution layer (9) and the sample gas layer (10).

5. The automatic analysis and sample injection device for the components of the desorbed gas of the coal bed according to claim 2, wherein: the pressurizing device (4) is a gas cylinder.

6. The automatic analysis and sample injection device for the components of the desorbed gas of the coal bed according to claim 2, wherein: pressure device (4) including pressurization piston (13), lifting column (14) and half-tooth gear (15), the upper surface of pressurization piston (13) and the bottom fixed connection of lifting column (14), the upper surface of lifting column (14) is seted up fluted (16), the relative both sides wall of recess (16) be provided with gear tooth (17), be provided with half-tooth gear (15) in the middle of recess (16), half-tooth gear (15) and motor are connected, motor electricity connecting power, pressurization piston (13) are located solution tank (6), first air duct (5), second air duct (7), intake pipe (2) and third air duct (11) on all be provided with the check valve.