CN104609583B - A kind of system and method for separation and Extraction solution gas from Environmental Water - Google Patents
A kind of system and method for separation and Extraction solution gas from Environmental Water Download PDFInfo
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- CN104609583B CN104609583B CN201510051417.5A CN201510051417A CN104609583B CN 104609583 B CN104609583 B CN 104609583B CN 201510051417 A CN201510051417 A CN 201510051417A CN 104609583 B CN104609583 B CN 104609583B
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Abstract
The invention discloses a kind of system and method for separation and Extraction solution gas from Environmental Water, it is characterised in that: system includes treatment device for water, film degasser, vacuum collection device and flow control device；Processing method is first to remove the impurity particle in Environmental Water with treatment device for water, then with the solution gas in film degasser abjection Environmental Water, and will complete the Environmental Water after degassing and persistently discharge；The solution gas finally produced by film degasser with vacuum collection device continues pumping and enters in gas cylinder to collect.The system of the present invention have low cost, simple to operate, degassing efficiency is high, be prone to portable with maintenance etc. feature, and weight is low, size is little, single can braces, to extreme wild environment almost without any use limit, be therefore especially suitable for the extraction of Environmental Water solution gas.
Description
Technical field
The present invention relates to Vacuum System Design, system flow controls and solution gas extractive technique field, particularly relates to a kind of profit
With film devolatilization vacuum collection technique system and method for separation and Extraction solution gas from Environmental Water.
Background technology
By measuring the radioactivity noble gas in Environmental Water (dissolving water etc. such as subsoil water, surface water, ocean water or moral purity)
Isotope (as39Ar and81Kr、85Kr) content, in conjunction with the isotopic half-life, it is possible to obtain the age of Environmental Water.Existing
In the stage, the sample that this age measures is usually purer gaseous sample.Therefore to be convenient for measuring, it is necessary first to by Environmental Water
Middle dissolved gas the most contamination-freely separation and Extraction is out.
Owing to gas meltage in Environmental Water is generally 10-30mL/L, application needs avoid the most minimal amount of a small amount of sky
Gas pollutes, and extracted solution gas total amount is when decaliter level.Occur it addition, the extraction experiment of solution gas is main in Environmental Water
In the wild extreme conditions such as () such as desert, basin, oceans, this proposes high wanting to system portable, ease for operation
Ask.At present, the solution gas in degassing compression collection technique extraction environment water, commonly used approach are mainly used
Including two kinds: one is that ([1] Smethie Jr, W.M. are collected in vacuum atomizing degassing compression；Mathieu,G.:Measurement of
Krypton-85 in the ocean.Marine Chemistry 18 (1986), No.1,17-33), use vacuum pump to make system vacuum,
Then utilize solution gas in high pressure vacuum atomizing extraction environment water, finally utilize compressor compresses to collect, this kind of method degassing
Efficiency is low, system complex, operation inconvenience；Another kind is that ([2] Probst, P.C. is collected in film degassing compression；Yokochi,R.；Sturchio
N.C.:Method for Extraction of Dissolved Gases From Groundwater for Radiokrypton Analysis.
4th Mini Conference on Noble Gases in the Hydrosphere and in Natural Gas Reservoirs, 2007), adopt
Make system vacuum with vacuum pump, utilize a kind of hydrophobic porous hollow-fibre membrane to make Environmental Water separate with solution gas, finally utilize
Compressor compresses collects solution gas, although this kind of method degassing efficiency is higher, but still uses gas compression collection technique, very
To being multi-level gas compress technique, increase cost and system complexity, add operation, the difficulty carried and safeguard simultaneously,
For under some extreme wild environment and inapplicable.The most urgently needing one can take into account high-speed and high-efficiency, system is simple, operation,
Carry and degassing system easy to maintenance, thus greatly extend its range.
Summary of the invention
The present invention is for avoiding the weak point existing for above-mentioned prior art, it is provided that a kind of simple to operate, portable film that utilizes takes off
Gas vacuum collecting technology system and method for separation and Extraction solution gas from Environmental Water.
The present invention, for realizing goal of the invention, adopts the following technical scheme that
Present invention system of separation and Extraction solution gas from Environmental Water includes that treatment device for water, film degasser, vacuum collecting fill
Put and flow control device, wherein:
Described treatment device for water is for removing the impurity particle in Environmental Water, and to the pressure of described Environmental Water, temperature, flow velocity
Record is carried out with flow；
Described film degasser, for the Environmental Water from described treatment device for water is carried out gas-liquid separation, deviates from dissolving therein
Gas, and will complete degassing after Environmental Water persistently discharge；
Described vacuum collection device is used for successively completing evacuation and the cleaning systems of whole system, then by described film degassing dress
Collect in buying property raw solution gas routinely pumping entering gas cylinder；
Described flow control device is for the work of all parts of control system, needed for controlling whole system operating process
The work of electronic device and on off state.
Present invention construction features of the system of separation and Extraction solution gas from Environmental Water also resides in: described treatment device for water included
Filter, hydraulic pressure gauge, water thermometer and water ga(u)ge, wherein: described filter is for the impurity particle being filtered to remove in Environmental Water；
Described hydraulic pressure gauge is for monitoring the pressure of the Environmental Water after described filter filters；Described water thermometer is for monitoring through described filtration
The temperature of the Environmental Water after device filtration；Described water ga(u)ge for record through described filter filter after Environmental Water flow velocity and
Flow.
Being provided with degassing film in described film degasser, described degassing film is for by the Environmental Water from described treatment device for water
Carry out gas-liquid separation, deviate from dissolved gas therein, and the Environmental Water after abjection dissolved gas is persistently discharged.
Described vacuum collection device includes membrane pump, the first piezometer and the second piezometer, wherein: described membrane pump is for successively
Complete evacuation and the cleaning systems of whole system, then the solution gas that described film degasser produces is continued pumping and enter gas cylinder
Middle collection；Described first piezometer and described second piezometer are respectively used to monitor the air pressure before and after described membrane pump, to judge
State membrane pump collect the degree of solution gas and judge finally to collect the solution gas total amount obtained.
In the present invention extracts the system of solution gas from Environmental Water, by effectively optimize and film degasser described in reasonable distribution,
Described vacuum collection device and the dimensional structure of described flow control device, it is possible to achieve the portability of device and ease for maintenance.
In the present invention, described Environmental Water dissolves water selected from subsoil water, surface water, ocean water or ice core.
The invention also discloses and utilize said system method of separation and Extraction solution gas from Environmental Water, described method includes:
Water treatment step, is Environmental Water to be passed through in treatment device for water, the impurity being filtered to remove in Environmental Water with filter
Grain, then by the Environmental Water after described filter filters by hydraulic pressure gauge monitoring hydraulic pressure, water thermometer monitoring water temperature and discharge
After meter record flow velocity and flow, send in described film degasser；
Cleaning systems step, is with the membrane pump in described vacuum collection device first by outside the air pumping in system to system,
Followed by the Environmental Water after described treatment device for water processes is passed through in described film degasser, is deviate from wherein by degassing film
Solution gas, and with membrane pump by outside the solution gas routinely pumping deviate to system, remaining with the pumping in removal system
Air, thus realize the solution gas cleaning to system in Environmental Water；
Film de-airing step, is that the Environmental Water after being processed by described treatment device for water with degassing film carries out gas-liquid separation, and abjection is wherein
Solution gas, and will complete degassing after Environmental Water persistently discharge；
With vacuum collecting step, it is under the first piezometer and described second piezometer monitor, with membrane pump by described film degassing dress
Raw solution gas of buying property continues pumping and enters in gas cylinder to collect.
By means of the invention it is also possible to effectively the most contamination-freely the main solution gas in separation and Extraction Environmental Water include nitrogen, oxygen,
Argon, carbon dioxide, Krypton and methane.
The membrane pump of the present invention is initially used for system evacuation, but the end vacuum of membrane pump is poor, it is impossible to completely by system
Evacuating air, and solution gas sample can be produced and pollute by this partial air remnants, it is therefore desirable to again with solution gas by this partial air
Remnants are diluted, and outside discharge system, thus at utmost reduce air pollution.
Compared with the prior art, beneficial effects of the present invention is embodied in:
The present invention utilizes film devolatilization vacuum collection technique from Environmental Water (as subsoil water, surface water, ocean water or ice core dissolve water
Deng) in extract solution gas system and method be a kind of high efficiency, low cost comprehensive utilization degassing film gas separate, vacuum pump
The methods such as collection and confinement of gases extract the technology of solution gas therein.The solution gas that the method is extracted, by further noble gas
Concentration and separation, the Isotopic Tracing Analysis etc. that can be used for environmental sample is applied, such as, carry out radiosiotope39Ar and81Kr、85Kr surveys year etc..
The system of the present invention have low cost, simple to operate, degassing efficiency is high, be prone to portable with maintenance etc. feature, and weight
Low, size is little, single can braces, to extreme wild environment almost without any use limit, be therefore especially suitable for Environmental Water
The extraction of solution gas.
Accompanying drawing explanation
In order to be illustrated more clearly that disclosure embodiment or technical scheme of the prior art, will make required in embodiment below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments described in the present invention,
For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain it according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the disclosed a kind of structural representation of the system of separation and Extraction solution gas from Environmental Water of disclosure embodiment；
Label in figure: 110 treatment device for water；1101 filters；1102 hydraulic pressure gauges；1103 water thermometers；1104 discharges
Meter；102 film degassers；120 vacuum collection device；1201 first piezometers；1202 membrane pumps；1203 second piezometers；
101 flow control devices.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the disclosure, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and detailed description of the invention
The application is described in further detail.
As it is shown in figure 1, present embodiment discloses a kind of system of separation and Extraction solution gas from Environmental Water, including: water treatment
Device 110, vacuum collection device 120, film degasser 102 and flow control device 101, wherein:
Treatment device for water 110 includes filter 1101, hydraulic pressure gauge 1102, water thermometer 1103 and water ga(u)ge 1104, wherein:
Filter is for the impurity particle being filtered to remove in Environmental Water；The pressure of hydraulic pressure gauge Environmental Water after monitoring is filtered；
The temperature of water thermometer Environmental Water after monitoring is filtered；Water ga(u)ge environment after record is filtered
The flow velocity of water and flow.
Being provided with degassing film in film degasser 102, degassing film is for carrying out gas by the Environmental Water from treatment device for water 110
Liquid separates, and deviates from dissolved gas therein, and the Environmental Water after abjection dissolved gas is persistently discharged.
Vacuum collection device 120 includes: membrane pump the 1202, first piezometer 1201 and the second piezometer 1203, wherein: every
Membrane pump is used for successively completing evacuation and the cleaning systems of whole system, then the solution gas that film degasser produces is continued pump
Pu enters in gas cylinder collects；First piezometer 1201 and the second piezometer 1203 are respectively used to the air pressure before and after supervision membrane pump 1202,
To judge that membrane pump is collected the degree of solution gas and judges finally to collect the solution gas total amount obtained.
Flow control device 101 is for the work of all parts of control system.
The using method of the present embodiment said system, utilizes said system method of separation and Extraction solution gas from Environmental Water in other words
It is:
Under flow control device 101 controls, by the filter 1101 in treatment device for water 110, hydraulic pressure gauge 1102, water
Temperature meter 1103 and Environmental Water is filtered by water ga(u)ge 1104 successively, water pressure monitoring, water temperature detection and flow velocity and flow
Record.
Under flow control device 101 controls, utilize the membrane pump 1202 in vacuum collection device 120 by the air pump in system
Environmental Water after treatment device for water processes, to outside system, is sent in film degasser 102, is deviate from solution gas therein by Pu,
And with membrane pump 1202 by outside lasting for solution gas pumping to system, with the pumping residual air in removal system, complete solution gas pair
The cleaning of whole system.
Under flow control device 101 controls, lasting sends the Environmental Water after treatment device for water processes into film degasser
In 102, deviate from solution gas therein, and the Environmental Water after degassing will be completed persistently discharge.
Under flow control device 101 controls, utilize the membrane pump 1202 in vacuum collection device 120, at the first piezometer 1201
Under supervision with the second piezometer 1203, the solution gas produced by film degasser 102 continues pumping and enters in gas cylinder, finally stores.
The separation of solution gas in the Environmental Water such as laboratory tap water, some fields subsoil water is carried by the system and method using the present invention
Take, by the change of dissolved oxygen content in Environmental Water before and after dissolved oxygen meter measurement solution gas separation and Extraction, it can be determined that the extraction effect of system
Rate reaches as high as 95%；The extraction rate that the record of discharge can be obtained system by water ga(u)ge can reach
5-30L/min, additionally the system of the present invention achieve single can back belt type, weight only has tens kilograms, uses environment to be little affected by
Any restriction.
Disclosed in this invention utilize film devolatilization vacuum collection technique from Environmental Water (such as subsoil water, surface water, ocean water or ice
Core dissolves water etc.) the middle system of solution gas of extracting is through the acquisition of repeatedly field trial Operation Summary, and it is simple efficiently, cost
Cheap, be easily maintained and portable, to use environment almost without any restriction, there is great using value and prospect.
Claims (7)
1. the system of separation and Extraction solution gas from Environmental Water, it is characterised in that: described system includes treatment device for water
(110), film degasser (102), vacuum collection device (120) and flow control device (101), wherein:
Described treatment device for water (110) for removing the impurity particle in Environmental Water, and to the pressure of described Environmental Water, temperature,
Flow velocity and flow carry out record；
Described film degasser (102) is for carrying out gas-liquid separation from the Environmental Water of described treatment device for water (110), de-
Go out solution gas therein, and the Environmental Water after degassing will be completed persistently discharge；
Described vacuum collection device (120) is used for successively completing evacuation and the cleaning systems of whole system, then by described film
The solution gas that degasser (102) produces continues pumping and enters in gas cylinder to collect；Described vacuum collection device (120) including: barrier film
Pump (1202), the first piezometer (1201) and the second piezometer (1203), wherein: described membrane pump is for successively completing
The evacuation of whole system and cleaning systems, then continue pumping by the solution gas that described film degasser produces and enter in gas cylinder to receive
Collection；Described first piezometer (1201) and described second piezometer (1203) are respectively used to monitor described membrane pump (1202)
Air pressure front and back, to judge that described membrane pump is collected the degree of solution gas and judges finally to collect the solution gas total amount obtained；
Described flow control device is for the work of all parts of control system.
The system of separation and Extraction solution gas from Environmental Water the most according to claim 1, it is characterised in that: described Water Quality Office
Reason device (110) includes filter (1101), hydraulic pressure gauge (1102), water thermometer (1103) and water ga(u)ge (1104),
Wherein:
Described filter is for the impurity particle being filtered to remove in Environmental Water；
Described hydraulic pressure gauge is for monitoring the pressure of the Environmental Water after described filter filters；
Described water thermometer is for monitoring the temperature of the Environmental Water after described filter filters；
Described water ga(u)ge is for recording flow velocity and the flow of the Environmental Water after described filter filters.
The system of separation and Extraction solution gas from Environmental Water the most according to claim 1, it is characterised in that:
Being provided with degassing film in described film degasser (102), described degassing film is used for will be from described treatment device for water
(110) Environmental Water carries out gas-liquid separation, deviates from dissolved gas therein, and the Environmental Water after abjection dissolved gas is continued
Discharge.
4. according to the system of separation and Extraction solution gas from Environmental Water described in any one in claim 1-3, it is characterised in that:
Described Environmental Water dissolves water selected from subsoil water, surface water, ocean water or ice core.
5. utilize system method of separation and Extraction solution gas from Environmental Water described in any one in claim 1～3, its
It is characterised by: described method includes:
Water treatment step, is Environmental Water to be passed through in treatment device for water, the impurity being filtered to remove in Environmental Water with filter
Grain, then by the Environmental Water after described filter filters by hydraulic pressure gauge monitoring hydraulic pressure, water thermometer monitoring water temperature and discharge
After meter record flow velocity and flow, send in described film degasser；
Cleaning systems step, is with the membrane pump in described vacuum collection device first by outside the air pumping in system to system,
Then the Environmental Water after described treatment device for water processes is passed through in described film degasser, is deviate from by degassing film therein
Solution gas, and the solution gas deviate from continued pumping to outside system with membrane pump, with the pumping residual air in removal system,
Thus realize the solution gas cleaning to system in Environmental Water；
Film de-airing step, is that the Environmental Water after being processed by described treatment device for water with degassing film carries out gas-liquid separation, and abjection is wherein
Solution gas, and will complete degassing after Environmental Water persistently discharge；
With vacuum collecting step, it is under the first piezometer (1201) and described second piezometer (1203) monitor, uses barrier film
The solution gas that described film degasser is produced by pump continues pumping and enters in gas cylinder to collect.
The method of separation and Extraction solution gas from Environmental Water the most according to claim 5, it is characterised in that: described solution gas
Including nitrogen, oxygen, argon, carbon dioxide, Krypton and methane.
7. according to the method for separation and Extraction solution gas from Environmental Water described in claim 5 or 6, it is characterised in that: described ring
Border wet concentration dissolves water from subsoil water, surface water, ocean water or ice core.
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| CN105254052A (en) * | 2015-11-20 | 2016-01-20 | 苏州荣保昌机械科技有限公司 | Membrane process liquid-gas separation device for deoxidizing boiler |
| CN105951219A (en) * | 2016-06-25 | 2016-09-21 | 南通神马线业有限公司 | Degassing method in spinning bath for viscose fiber production |
| CN108593371A (en) * | 2018-07-17 | 2018-09-28 | 广州海洋地质调查局 | The de- solution collection device and method of solution gas in water body |
| CN108981816A (en) * | 2018-07-27 | 2018-12-11 | 华北水利水电大学 | A kind of open system for hydrographic water resource monitoring |
| CN109323909B (en) * | 2018-10-22 | 2020-10-27 | 中国科学技术大学 | Gas automatic separation system for inertness in small-gas-volume environment sample |
| CN109855913A (en) * | 2019-03-04 | 2019-06-07 | 中国地质科学院水文地质环境地质研究所 | Underground water-borne radioactivity inert gas nucleic surveys year sampling system and its method of sampling |
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| US4371385A (en) * | 1981-04-28 | 1983-02-01 | Cobe Laboratories, Inc. | Deaerating liquid |
| JPH0596272A (en) * | 1991-10-09 | 1993-04-20 | Nok Corp | Method for degassing dissolved oxygen in water |
| US20100212406A1 (en) * | 2009-02-25 | 2010-08-26 | Browne Bryant A | Collection of dissolved gases from groundwater |
| KR101194317B1 (en) * | 2011-05-19 | 2012-10-24 | 한국지질자원연구원 | Simple analytical system of water radon |
| CN103063504B (en) * | 2012-12-26 | 2015-06-03 | 中联环有限公司 | Separation device and separation method for dissolved gas in water |
| CN103405945B (en) * | 2013-07-31 | 2016-02-10 | 中科华核电技术研究院有限公司 | Remove degasser and the method thereof of dissolved gas in nuclear power plant reactor cooling agent |
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