CN102455257B - Sampling device and method for low-water level shallow-liquid level high-temperature hot spring gas - Google Patents
Sampling device and method for low-water level shallow-liquid level high-temperature hot spring gas Download PDFInfo
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- CN102455257B CN102455257B CN201010520307.6A CN201010520307A CN102455257B CN 102455257 B CN102455257 B CN 102455257B CN 201010520307 A CN201010520307 A CN 201010520307A CN 102455257 B CN102455257 B CN 102455257B
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Abstract
The invention provides a sampling device and a sampling method for low-water level shallow-liquid level high-temperature hot spring gas. The sampling device comprises three parts, i.e., gas-liquid capture, gas-liquid separation and gas collection; during gas-liquid capture, shallow hot spring water is utilized to seal a gas-collecting hood so as to ensure the purity of a sample; vacuum is achieved through an adjusting handle, gas and liquid are collected, flow direction of the gas and liquid is controlled by using valves, and therefore, rapid gas-liquid separation and sampling of low-water level shallow-liquid level hot spring gas are realized; gas is collected by using the method of gas collection through draining. According to the invention, the length of rubber hoses which are used for connecting every part of the sampling device can be adjusted, and the rubber hoses are laid according to landforms, so the sampling device has a wide applicable scope; no extra power is needed, the device is convenient to carry, a processing process for the device is simple and costs little, and therefore, the device has a good popularization prospect.
Description
Technical field
The present invention relates in gas geochemistry and FLUID GEOCHEMICAL field, research object be collected and pretreated technical field, particularly relate to a kind of gas-liquid fast separation device and method for the underground sampling in field, gas-liquid separation technical field.
Background technology
At present domestic general employing draining water gathering of gas law is collected hot spring gas, ultimate principle as shown in Figure 5, if obtain good result, guarantee that hot spring gas is not by atmospheric pollution, must meet the following conditions: first, discrepancy in elevation h1 between hot spring liquid level 501 and water butt liquid level 502 must be greater than 0, and guarantee hot spring bubble flows smoothly with thermal water; Secondly, the liquid level in hot spring and the discrepancy in elevation h2 at the bottom of hot spring must be greater than the height of gas skirt 503, and the hot spring gas that guarantee collects is not by atmospheric pollution.
In research process, the hot spring that exists some can not meet above-mentioned two conditions, is subject to site topography condition restriction, and cannot realize h1 and be greater than 0, or less gas skirt 503 residual airs that cause of h2, can not discharge the air in gas skirt 503 completely.
Although current technical conditions have obtained very much progress, can change and gather the vial that gas uses is steel cylinder, and steel cylinder is vacuumized to processing in advance, utilize the vacuum of steel cylinder that hot spring gas is sucked in steel cylinder, but like this, increased sampling difficulty: first, be subject to current condition restriction, carry-on steel cylinder limited amount; The second, utilize the steel cylinder vacuumizing in advance that hot spring gas is sucked in steel cylinder, the air connecting in the pipeline between steel cylinder and hot spring liquid level cannot be emptying, if will will be full of water deaeration in pipeline, water certainly will be sucked in steel cylinder in the lump, has influence on sample effect.
And small power generation unit and vacuum equipment are carried to working site, will further increase difficulty and the spending of sampling work.
Therefore, must develop be easy to carry, without and the fast sampling method of outer dynamic condition just can overcome topographic condition and the too low problem of hot spring liquid level, expand sample scope, for increasing hydrogen isotopic composition data, establish the technical foundation of sample collection aspect.
Summary of the invention
The present invention, for solving the problem running in the sampling of hot spring gas liquid mixture matter under low-water level shallow-liquid level condition in prior art, provides a kind of hot spring gas of realizing separated fast with thermal water, and guarantees that hot spring gas is not by the mancarried device of atmospheric pollution.
One of the present invention's low-water level shallow-liquid level high-temperature hot spring gas sampler, comprises gas-liquid capturing unit 106, gas collection unit 101, it is characterized in that:
Described device also comprises gas-liquid separation unit 104, and described gas-liquid separation unit 104 is connected with described gas-liquid capturing unit 106, gas collection unit 101 respectively.
Described gas-liquid separation unit 104 is a threeway sundstrand pump, comprises a tubular pump housing 304, piston screw 305, piston 308, pump intake 322, pump discharge 311, drain 323;
Described pump intake 322, pump discharge 311, drain 323 are provided with respectively pump intake valve 320, pump discharge valve 318, the drain valve 319 of controlling its switch successively.
Described gas-liquid separation unit 104 also comprises that sealing-in is respectively fixed on the described pump housing 304 lower ends and pump housing bottom end cover 303 and the pump housing upper end cover 321 of upper end;
In the described pump housing 304, it between described pump housing bottom end cover 303, pump housing upper end cover 321 and piston screw 305, is the pump housing space that sucks material;
Described piston screw 305 is vertical through described pump housing bottom end cover 303 center, and one end connects the control hand wheel 301 being positioned at outside described pump housing bottom end cover 303, and the other end connects the piston 308 in pump housing space.
Described pump intake 322, pump discharge 311, drain 323, pump intake valve 320, pump discharge valve 318, drain valve 319 are all in described pump housing upper end cover 321; Described pump intake valve 320, pump discharge valve 318, drain valve 319 are connected on the passage of pump housing space and described pump intake 322, pump discharge 311, drain 323.
Described pump intake valve 320, pump discharge valve 318, drain valve 319 all comprise respectively valve pressure cap 316, valve rod 317, valve washer 313, sealing gasket for valve 314, valve upper press ring 315; Described pump intake 322, pump discharge 311 connect mouth for taper;
Between described piston 308, pump housing upper end cover 321 and the pump housing 304 inwalls, there are respectively 309 and No. 2 O shape circles 310 of No. 1 O shape circle;
Described piston 308 is affixed by dormant bolt 306 and piston screw 305.
On described gas-liquid capturing unit 106, can also be provided with a hand-held connecting link 107, described connecting link 107 connects U-shaped fixed cover support 203, strut fixed cover 201, telescopic strut 206 successively;
Described strut fixed cover 201 is fixing by adjusting fixed pin 202 with the junction of described fixed cover support 203;
Described strut 206 and fixed cover 201 be take adjusting fixed pin 202 as axle rotation;
The gas joint 204 of getting at described collecting hood 205 tops is connected with described pump intake 322.
Described gas-liquid separation unit 104 is connected with gas-liquid capturing unit 106 with described gas collection unit 101 with No. 2 flexible pipes 105 by No. 1 flexible pipe 103; One end of No. 1 described flexible pipe 103 extend in the gas bomb 102 of described gas collection unit 101, and the other end is connected with described pump discharge 311;
Being connected with the gas joint 204 of getting at described pump intake 322 and described collecting hood 205 tops respectively of No. 2 described flexible pipes 105.
The sampling method of the present invention's two low-water level shallow-liquid level hot spring gas sampler, is achieved in that described method comprises the steps:
(1) initially prepare
(2) water flowing exhaust
Open pump intake valve 320, control hand wheel 301 is close to piston 308 pump housing bottom end cover 303, is made the volume of the pump housing 304 maximum, and gas-liquid mixture fluid is sucked to the pump housing 3;
Close pump intake valve 320, control hand wheel 301 is pushed piston 308 to pump housing upper end cover 321, increases the pressure in the pump housing 304; Open drain valve 319, gas is discharged to 3;
So repeatable operation, completes water flowing exhaust;
(3) get gas
Open pump intake valve 320, control hand wheel 301 is close to piston 308 pump housing bottom end cover 303, is made the volume of the pump housing 304 maximum, and gas-liquid mixed system is sucked to the pump housing;
Close pump intake valve 320, control hand wheel 301 is pushed piston 308 to upper end cover 321, increases the pressure in the pump housing 304; Open pump discharge valve 318, isolated gas is discharged to the pump housing;
Close pump discharge valve 318, control hand wheel 301 is pushed piston 308 to pump housing upper end cover 321, increases the pressure in the pump housing 304; Open pump housing valve knob 319, the interior remaining liquid of the pump housing 304 is discharged;
Close drain valve 319, complete an one-cycle process getting gas; Repeatedly gas operating process is got in circulation, until obtain desirable gaseous sample.
The present invention is a kind of high-temperature hot spring gas sampling technique that is applicable to low-water level shallow-liquid level, has effectively solved existing Sampling techniques landform is relied on to shortcoming serious, that can not effectively protect operator's safety.Utilize the method, can sample to the hot spring gas of low-water level shallow-liquid level hot spring, thereby expand sampling scope, more accurate Measurement results can be provided for the Organic-inorganic interaction of research deep fluid research and the oil gas origin cause of formation.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention;
Fig. 2 is the front view structural drawing of gas-liquid capturing unit of the present invention;
Fig. 3 is the front view structural drawing of gas-liquid separation unit of the present invention;
Fig. 4 is that the present invention realizes the operation step map that high-temperature hot spring is got gas;
Fig. 5 is the draining water gathering of gas law process flow diagram of prior art;
Embodiment
Below in conjunction with accompanying drawing to the present invention to further description.
As shown in Figure 1, Figure 2, Figure 3 shows, No. 2 rubber hose 105 that are 6mm by internal diameter between the pump intake 322 of getting gas joint 204 and gas-liquid separation unit 104 of gas-liquid capturing unit 106 are connected, and No. 1 rubber hose 105 that is 6mm by internal diameter between the pump discharge 311 of gas-liquid separation unit 104 and the gas bomb 102 of gas collection unit is connected.The collecting hood 205 of taper tips upside down in spa pool, the bottom of collecting hood 205 is sealed by thermal water, and according to the landform of spa pool, by regulating fixed pin 202 to adjust length and the angle of connecting link 107, between assurance operator and hot spring, keep enough safe distances.In addition, connecting link 107 can be removed and shrink from gas-liquid capturing unit 106, is placed in field work bag, is easy to carry.
Gas-liquid separation device is mainly got gas threeway sundstrand pump 104 by spiral and is formed, the volume changing in the pump housing 304 by regulating and controlling handwheel 301 is realized absorption and is got rid of gas-liquid, utilize the on off state that regulates pump intake valve 320, pump discharge valve 318, drain valve 319 control pump entrances 322, pump discharge 311 and drain 322 simultaneously, realize and absorb gas-liquid, gas-liquid separation, and isolated thermal water is discharged to the pump housing 304 through drain 323, and the separated hot spring gas obtaining enters gas collector through No. 1 flexible pipe 103.
Water butt is filled thermal water in advance, gas bomb 102 tips upside down on above water butt after the in-built full water of water butt, and, bottleneck is positioned under the liquid level of water butt, No. 1 flexible pipe 103 is deep in the middle of gas bottle 102, the thermal water of hot spring bubble inside flexible pipe 103 enters gas bomb 102 and discharges, realizes bubble and collects.
In concrete enforcement, at least need three bit manipulation person's concerted efforts to coordinate, operator 1 is responsible for gas-liquid capturing unit 106, and operator 2 is responsible for gas-liquid separation unit 104, and operator 3 is responsible for gas collection unit 101.Operator 1 is connected to spiral by No. 2 flexible pipes 105 and gets on the pump intake 322 of gas threeway sundstrand pump, the other end is connected to getting on gas joint 204 of taper gas skirt 205, operator 1 is according to the residing landform of hot spring, regulate length and the angle of connecting link 107, taper gas skirt 205 is held on hot spring 108, the bottom of collecting hood 205 is sealed by thermal water.Operator 3 is ready to water butt and gas bomb 102, and No. 1 flexible pipe 103 is connected to spiral gets on the pump discharge 311 of gas threeway sundstrand pump.Complete parts and connect preliminary work.Gas sample acquisition mainly relies on operator 2 operation to complete.
As shown in Figure 4, operator 2 operation is carried out as follows:
It is characterized in that described method comprises the steps:
(1) initially prepare
(2) water flowing exhaust
Open pump intake valve 320, control hand wheel 301 is close to piston 308 pump housing bottom end cover 303, is made the volume of the pump housing 304 maximum, and gas-liquid mixture fluid is sucked to the pump housing 3;
Close pump intake valve 320, control hand wheel 301 is pushed piston 308 to pump housing upper end cover 321, increases the pressure in the pump housing 304; Open drain valve 319, gas is discharged to 3;
So repeatable operation, completes water flowing exhaust;
(3) get gas
Open pump intake valve 320, control hand wheel 301 is close to piston 308 pump housing bottom end cover 303, is made the volume of the pump housing 304 maximum, and gas-liquid mixed system is sucked to the pump housing;
Close pump intake valve 320, control hand wheel 301 is pushed piston 308 to upper end cover 321, increases the pressure in the pump housing 304; Open pump discharge valve 318, isolated gas is discharged to the pump housing;
Close pump discharge valve 318, control hand wheel 301 is pushed piston 308 to pump housing upper end cover 321, increases the pressure in the pump housing 304; Open pump housing valve knob 319, the interior remaining liquid of the pump housing 304 is discharged;
Claims (3)
1. low-water level shallow-liquid level high-temperature hot spring gas sampler, comprises gas-liquid capturing unit (106), gas collection unit (101), it is characterized in that:
Described device also comprises gas-liquid separation unit (104), and described gas-liquid separation unit (104) is connected with described gas-liquid capturing unit (106), gas collection unit (101) respectively;
Described gas-liquid separation unit (104) is a threeway sundstrand pump, comprises a tubular pump housing (304), piston screw (305), piston (308), pump intake (322), pump discharge (311), drain (323);
Described pump intake (322), pump discharge (311), drain (323) are provided with respectively pump intake valve (320), pump discharge valve (318), the drain valve (319) of controlling its switch successively;
On described gas-liquid capturing unit (106), be also provided with a hand-held connecting link (107), described connecting link (107) connects U-shaped fixed cover support (203), strut fixed cover (201), telescopic strut (206) successively;
Described strut fixed cover (201) is fixing by adjusting fixed pin (202) with the junction of described fixed cover support (203);
Described strut (206) and fixed cover (201) be take and regulated fixed pin (202) as axle rotation;
Described gas-liquid capturing unit (106) comprises collecting hood (205);
Collecting hood (205) tips upside down in spa pool, and the bottom of collecting hood (205) is sealed by thermal water; The gas joint (204) of getting at described collecting hood (205) top is connected with described pump intake (322);
Described gas-liquid separation unit (104) also comprises that sealing-in is respectively fixed on the described pump housing (304) lower end and pump housing bottom end cover (303) and the pump housing upper end cover (321) of upper end;
In the described pump housing (304), it between described pump housing bottom end cover (303), pump housing upper end cover (321) and piston screw (305), is the pump housing space that sucks material;
Described piston screw (305) is vertically through the center of described pump housing bottom end cover (303), and one end connects the control hand wheel (301) being positioned at outside described pump housing bottom end cover (303), and the other end connects the piston (308) in pump housing space;
Described pump intake (322), pump discharge (311), drain (323), pump intake valve (320), pump discharge valve (318), drain valve (319) are all in described pump housing upper end cover (321); Described pump intake valve (320), pump discharge valve (318), drain valve (319) are connected on the passage of pump housing space and described pump intake (322), pump discharge (311), drain (323);
Described pump intake valve (320), pump discharge valve (318), drain valve (319) all comprise respectively valve pressure cap (316), valve rod (317), valve washer (313), sealing gasket for valve (314), valve upper press ring (315); Described pump intake (322), pump discharge (311) connect mouth for taper;
Between described piston (308), pump housing upper end cover (321) and the pump housing (304) inwall, there are respectively No. 1 O shape circle (309) and No. 2 O shape circles (310);
Described piston (308) is affixed by dormant bolt (306) and piston screw (305).
2. low-water level shallow-liquid level high-temperature hot spring gas sampler according to claim 1, is characterized in that:
Described gas-liquid separation unit (104) is connected with gas-liquid capturing unit (106) with described gas collection unit (101) with No. 2 flexible pipes (105) by No. 1 flexible pipe (103); One end of described No. 1 flexible pipe (103) extend in the gas bomb (102) of described gas collection unit (101), and the other end is connected with described pump discharge (311);
Being connected with the gas joint (204) of getting at described pump intake (322) and described collecting hood (205) top respectively of described No. 2 flexible pipes (105).
3. according to the sampling method of the low-water level shallow-liquid level high-temperature hot spring gas sampler one of claim 1～2 Suo Shu, it is characterized in that described method comprises the steps:
(1) initially prepare
Control hand wheel (301) is close to pump housing upper end cover (321) by piston (308), and making the volume in the pump housing (304) is 0, closes pump intake valve (320), drain valve (319) and pump discharge valve (318);
(2) water flowing exhaust
Open pump intake valve (320), control hand wheel (301) is close to piston (308) pump housing bottom end cover (303), is made the volume of the pump housing (304) maximum, and gas-liquid mixture fluid is sucked to the pump housing;
Close pump intake valve (320), control hand wheel (301) is pushed piston (308) to pump housing upper end cover (321), increases the pressure in the pump housing (304); Open drain valve (319), gas is discharged;
Close drain valve (319), open pump discharge valve (318), continue piston (308) to push pump housing upper end cover (321) to, the liquid in the pump housing (304) is discharged;
So repeatable operation, completes water flowing exhaust;
(3) get gas
Open pump intake valve (320), control hand wheel (301) is close to piston (308) pump housing bottom end cover (303), is made the volume of the pump housing (304) maximum, and gas-liquid mixed system is sucked to the pump housing;
Close pump intake valve (320), control hand wheel (301) is pushed piston (308) to upper end cover (321), increases the pressure in the pump housing (304); Open pump discharge valve (318), isolated gas is discharged to the pump housing;
Close pump discharge valve (318), control hand wheel (301) is pushed piston (308) to pump housing upper end cover (321), increases the pressure in the pump housing (304); Open pump housing valve knob (319), remaining liquid in the pump housing (304) is discharged;
Close drain valve (319), complete an one-cycle process getting gas; Repeatedly gas operating process is got in circulation, until obtain desirable gaseous sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010520307.6A CN102455257B (en) | 2010-10-22 | 2010-10-22 | Sampling device and method for low-water level shallow-liquid level high-temperature hot spring gas |
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| CN201010520307.6A CN102455257B (en) | 2010-10-22 | 2010-10-22 | Sampling device and method for low-water level shallow-liquid level high-temperature hot spring gas |
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| CN102455257B true CN102455257B (en) | 2014-04-02 |
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| CN103808536A (en) * | 2014-02-19 | 2014-05-21 | 江苏省农业科学院 | Collection, storage and transportation device and a collection, storage and transportation method for ethylene gas of fruits and vegetables |
| CN106644618B (en) * | 2017-01-16 | 2020-02-07 | 中国地质科学院矿产资源研究所 | Gas sampling system and application thereof |
| CN107966333B (en) * | 2017-12-14 | 2023-07-07 | 中国科学院海洋研究所 | Deep sea in-situ gas pressure maintaining sampling system |
| CN112138431A (en) * | 2019-06-27 | 2020-12-29 | 中国石油化工股份有限公司 | Condensate oil gas-liquid separation device |
| CN116067715B (en) * | 2023-02-27 | 2024-01-26 | 中国地质大学（北京） | Gas-liquid collecting device for field hot spring |
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| SU1032356A1 (en) * | 1982-03-19 | 1983-07-30 | Институт Почвоведения Ан Казсср | Gas collector |
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| US3844160A (en) * | 1970-08-27 | 1974-10-29 | Fuji Electric Co Ltd | Oil-immersed transformer gas analysis |
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