CN209656386U - A field geothermal fluid gas sampling device - Google Patents

Abstract

The utility model discloses a kind of field geothermal fluid gas sample sampling equipments, are made of swirl-flow devices and sampler, swirl-flow devices are connected by the first hose with sampler；The utility model acquires the gas sample geothermal fluid suitable for the underground heat water supply network exploited pump house from underground heat or have pipe network, the gas that geothermal fluid is precipitated during eddy flow in swirl cone is assembled in transparent organic glass container, when gas reaches a certain amount of in transparent organic glass container, gas enters in sampling bottle through exhaust pipe and the first hose, gas generates pressure to water in bottle, water in bottle is allowed to be discharged under gas pressure effect through drainpipe and the second hose, water drains in sampling bottle, and sampling terminates.The utility model is convenient to the acquisition of well fief hot fluid, and collecting efficiency is high, at low cost, can count the geothermal fluid volume of acquired gas discharge, by flowmeter so as to estimate the content of gas in geothermal fluid.

Description

A field geothermal fluid gas sampling device

technical field

The utility model relates to the field of geological exploration, in particular a geothermal fluid gas sampling device designed for field use.

Background technique

At present, most of the collection methods of gas samples in geothermal water are collected by funnels and sampling bottles. These two methods can not determine the content of the collected gas in the geothermal fluid, but can only measure the composition of the gas; Difficult, it is difficult to collect geothermal fluids with little gas content or take a long time to collect; third, it is mostly used for gas sample collection of hot spring geothermal fluids, which is inconvenient for the collection of well-produced geothermal fluids. The existing collection device is time-consuming and labor-intensive, with high cost and low collection efficiency.

Contents of the invention

The purpose of this utility model is to solve the above-mentioned existing collection method. One is that the content of the collected gas in the geothermal fluid cannot be determined, and only the composition of the gas can be measured; Or it will take a long time to collect; the third is that it is mostly used for hot spring geothermal fluid gas sample collection, which is inconvenient for the collection of well-produced geothermal fluid. Sampling equipment for gas sampling with geothermal fluids.

A geothermal fluid gas sampling device used in the field is composed of a swirl device and a sampling device, and the swirl device is connected to the sampling device through a first rubber tube;

The cyclone device includes a conical cyclone, a fixed bracket, a transparent organic glass container, a flow meter and a pressure gauge. The conical cyclone is set on the fixed bracket, and the transparent organic glass container is set on the upper end of the conical cyclone. There is a fluid inflow pipe on one side of the cyclone, and a first drain pipe at the lower end. The flow meter is arranged on the first drain pipe. The upper end of the transparent plexiglass container has an exhaust pipe. The pressure gauge is arranged on the exhaust pipe. It has a fluid inlet and a first ball valve, the first drain pipe has a drain port, a second ball valve is located between the drain port and the flow meter, an exhaust port is provided on the exhaust pipe, and a third ball valve is provided between the exhaust port and the pressure gauge ;

The sampling device includes a sampling gas cylinder, a sealing cover, a second drain pipe and a second rubber tube, the sealing cover is arranged on the sampling gas cylinder, the sealing cover has a first through hole and a second through hole respectively, and the two ends of the first rubber tube Connect to the exhaust pipe and the first through hole of the sealing cover respectively, the second drain pipe is set in the sampling gas cylinder through the second through hole, the lower end of the second rubber pipe is connected with the upper end of the second drain pipe, and the second rubber pipe There is a fourth ball valve at the upper end of the pipe, and there is a scale line on the sampling gas cylinder, which is made of transparent material, and the first rubber tube and the second drain pipe are respectively sealed and connected with the sealing cover;

The first rubber tube has a first clip, and the second rubber tube has a second clip.

Working principle and process of the utility model:

The utility model is suitable for collecting gas samples in geothermal fluid from a geothermal mining pump room or a geothermal water supply network with a pipe network. After the cyclone and the geothermal fluid in the transparent plexiglass container are filled, open the second ball valve and control the flow to ensure that no negative pressure is generated in the transparent plexiglass container. Gather in a transparent plexiglass container, which is transparent and easy to observe. When the gas in the transparent plexiglass container reaches a certain amount, open the third ball valve, and the gas enters the sampling bottle through the exhaust pipe and the first rubber tube, and the gas exerts pressure on the water in the bottle. , open the fourth ball valve, let the water in the bottle be discharged through the second drain pipe and the second rubber tube under the action of gas pressure, when the water in the sampling bottle is exhausted, the first clamp and the second clamp clamp the first rubber tube respectively With the second rubber hose, sampling ends.

The beneficial effects of the utility model:

1. The utility model has the advantages of convenient collection of geothermal fluid in well mining, fast collection speed, high collection efficiency and low cost. The volume of geothermal fluid discharged from the collected gas can be counted through the flowmeter, so that the gas content in the geothermal fluid can be estimated;

2. The plexiglass container is transparent, which can observe the gas accumulation and grasp the sampling time;

3. The pressure of the gas in the container can be known through the pressure gauge;

4. The sampling bottle is filled with water in the initial state, and the bottom drainage method is adopted when taking gas samples, and the bottle mouth is sealed with a sealing cap to avoid air mixing.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Detailed ways

Please refer to shown in Fig. 1, a kind of field geothermal fluid gas sample sampling equipment is made up of swirl device 111 and sampling device 222, and swirl device 111 is connected with sampling device 222 by the first rubber tube 11;

The cyclone device 111 comprises a conical cyclone 1, a fixed support 112, a transparent organic glass container 2, a flow meter 7 and a pressure gauge 8, the conical cyclone 1 is arranged on the fixed support 112, and the transparent organic glass container 2 is arranged on the The upper end of the conical cyclone 1 has a fluid inflow pipe 3 on one side of the conical cyclone 1, and a first drain pipe 5 at the lower end. The flow meter 7 is arranged on the first drain pipe 5. The upper end of the transparent organic glass container 2 has a discharge pipe The air pipe 10 and the pressure gauge 8 are arranged on the exhaust pipe 10, the fluid inflow pipe 3 has a fluid inflow port 31 and a first ball valve 4, and the first drain pipe 5 has a drain port 51, between the drain port 51 and the flow meter 7 There is a second ball valve 6, an exhaust port 101 is provided on the exhaust pipe 10, and a third ball valve 9 is provided between the exhaust port 101 and the pressure gauge 8;

Sampling device 222 comprises sampling gas cylinder 12, sealing cap 13, second drain pipe 14 and second rubber tube 16, and sealing cap 13 is arranged on sampling gas cylinder 12, and sealing cap 13 has first through hole 131 and second respectively. Through hole 132, the two ends of the first rubber tube 11 are respectively connected on the first through hole 131 of the exhaust pipe 10 and the sealing cover 13, the second drain pipe 14 is arranged in the sampling gas cylinder 12 through the second through hole 132, The lower end of the second rubber tube 16 is connected to the upper end of the second drain pipe 14. The upper end of the second rubber tube 16 has a fourth ball valve 15. The sampling gas cylinder 12 has a scale line 121. The sampling gas cylinder 12 is a transparent material. The first rubber tube 11 and the second drain pipe 14 are respectively sealed and connected with the sealing cover 13;

The first rubber tube 11 has a first clip 113 , and the second rubber tube 16 has a second clip 161 .

Working principle and process of the utility model:

Referring to Fig. 1, the utility model is suitable for collecting gas samples in geothermal fluid from a geothermal mining pump room or a geothermal water supply network with a pipe network. In the cyclone 1, after the geothermal fluid in the conical cyclone 1 and the transparent plexiglass container 2 is full, open the second ball valve 6 and control the flow to ensure that no negative pressure is generated in the transparent plexiglass container 2, and the geothermal fluid flows in the cone. The gas precipitated during the swirling process in the cyclone 1 gathers in the transparent plexiglass container 2, which is transparent and easy to observe. When the gas in the transparent plexiglass container 2 reaches a certain amount, the third ball valve 9 is opened, and the gas passes through the exhaust pipe. 10 and the first rubber tube 11 enter the sampling bottle 12, the gas generates pressure on the water in the bottle, and the fourth ball valve 15 is opened to allow the water in the bottle to be discharged through the second drain pipe 14 and the second rubber tube 16 under the action of the gas pressure. When the water in the sampling bottle is exhausted, the first clamp 113 and the second clamp 161 clamp the first rubber tube 11 and the second rubber tube 16 respectively, and the sampling ends.

Claims (2)

1. a kind of field geothermal fluid gas sample sampling equipment, it is characterised in that: be by swirl-flow devices (111) and sampler (222) it forms, swirl-flow devices (111) are connected by the first hose (11) with sampler (222)；

Swirl-flow devices (111) include swirl cone (1), fixed bracket (112), transparent organic glass container (2), flowmeter (7) it is arranged on fixed bracket (112) with pressure gauge (8), swirl cone (1), transparent organic glass container (2) setting is being bored There is fluid to flow into pipe (3) for shape cyclone (1) upper end, swirl cone (1) side, and lower end has the first drainpipe (5), flow It counts (7) to be arranged on the first drainpipe (5), transparent organic glass container (2) upper end has exhaust pipe (10), and pressure gauge (8) is set It sets on exhaust pipe (10), fluid, which flows into, has fluid entry port (31) and the first ball valve (4), the first drainpipe (5) on pipe (3) With discharge outlet (51), there are the second ball valve (6) between discharge outlet (51) and flowmeter (7), there is exhaust on exhaust pipe (10) Mouth (101) has third ball valve (9) between exhaust outlet (101) and pressure gauge (8)；

Sampler (222) includes sampling gas cylinder (12), sealing cover (13), the second drainpipe (14) and the second hose (16), Sealing cover (13) is arranged on sampling gas cylinder (12), and first through hole (131) and the second through-hole are respectively provided on sealing cover (13) (132), the first hose (11) both ends are connected in the first through hole (131) of exhaust pipe (10) and sealing cover (13), the Two drainpipes (14) pass through the second through-hole (132) and are arranged in sampling gas cylinder (12), the second hose (16) lower end and second row Water pipe (14) upper end is connected, and the second hose (16) upper end has the 4th ball valve (15), has scale on sampling gas cylinder (12) Line (121), sampling gas cylinder (12) are transparent material, the first hose (11) and the second drainpipe (14) respectively with sealing cover (13) It is tightly connected.

2. a kind of field according to claim 1 geothermal fluid gas sample sampling equipment, it is characterised in that: the first rubber Managing on (11) has first clamp (113), has second clamp (161) on the second hose (16).