CN2532473Y - Quantitative degasification device for melting gas - Google Patents
Quantitative degasification device for melting gas Download PDFInfo
- Publication number
- CN2532473Y CN2532473Y CN 02228947 CN02228947U CN2532473Y CN 2532473 Y CN2532473 Y CN 2532473Y CN 02228947 CN02228947 CN 02228947 CN 02228947 U CN02228947 U CN 02228947U CN 2532473 Y CN2532473 Y CN 2532473Y
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- gas
- air
- air valve
- container
- fan diffuser
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Abstract
The utility model discloses a solute gas measuring degasser including a diffuser, a bumps formation and a degasification circular pipeline. Wherein the diffuser is composed of a container with a water inlet at the upper part and a drainpipe communicated with the bottom of the container; the water drain outlet lies in an equal height with the water level in the container; a pressure discharge pipe communicated with the atmosphere is arranged at the upper part of the container; the bumps formation and the degasification circular pipeline is composed of a sampler, an air pump and an air conveying pipe which are in serial connection; an air port extends to the bottom of the diffuser, and an air suction port is connected with the top part of the diffuser. The solute gas measuring degasser can prepare a relative degasification ingredient gaseous sample with a certain volume and in dissolution balance relationship with the tested water sample.
Description
The utility model relates to the quantitative degasser of a kind of solution gas, particularly a kind of quantitative degasser of solution gas that is applied to earthquake underground water omen automatic observation system.
Groundwater dynamic observation is to explore one of main omen means of earthquake prediction over nearly more than 30 years both at home and abroad, and the dynamic change of some solution gas component (as radon, mercury, helium, hydrogen etc.) content is again a part of main contents of earthquake underground water precursor observation in the underground water.Because the sensor of existing these gas composition observation instruments all is only applicable to gas phase media, so all has the degassing step that solution gas in the detected water sample is converted to gaseous sample in its observation procedure.The present existing degasser of realizing continuous automatic deaerating, all exist can not make supporting gas automatic observer device quantitatively continuous automatic measurement go out the defective of relevant solution gas actual concentration in the detected water sample, but also deficiency such as the ubiquity degassing efficiency is low and unstable, ambient temperature effect can't quantitatively be revised.
The purpose of this utility model is to provide a kind of solution gas quantitative degasser, it can utilize the detected water sample of this device of flowing through, what prepare quantitative volume sets up the relevant solution gas component gaseous sample that dissolution equilibrium concerns with detected water sample, further measures the actual concentration of relevant solution gas in the detected water sample in order to the user.
The utility model is to constitute like this, it comprises fan diffuser and bubbling degassing circulation line, fan diffuser has the container of water inlet by top and the drainpipe that is connected with container bottom constitutes, waterline in the freeing port of drainpipe and the container is positioned at sustained height, and the top of container is provided with a pressure release arm that communicates with atmosphere; Bubbling degassing circulation line is made of sampling thief, air pump and gas piping serial connection, and the air-blowing port of its gas piping stretches into the bottom of fan diffuser, and the suction port of gas piping is connected with the top of fan diffuser.
During work, the detected water sample underground water of radon (as contain) continues to flow out through drainpipe after the water inlet of fan diffuser flows into container again, in this simultaneously, under air pump drives, be in the bubbling degassing circulation line under the channel status and the interior atmospheric air stream of fan diffuser top air cavity as carrier gas, to the water sample that the fan diffuser bottom is brought in constant renewal in, the bubbling that circulates reaches the dissolution equilibrium state until tested solution gas component.
At last, as long as the user is by relevant solution gas component concentrations in the quantitative volume gaseous sample that is provided by sampling thief is provided, and the temperature of the interior water of fan diffuser-gas biphase-equilibrium system, just can converse relevant solution gas component concentrations in the detected water sample according to the dissolution equilibrium relational expression.Than existing degasser, it is convenient to the utlity model has quantitative collection, and remarkable advantage efficiently.
Below in conjunction with drawings and Examples the utility model is specifically described.
Fig. 1 is the embodiment organigram.
With reference to accompanying drawing, the utility model comprises fan diffuser and bubbling degassing circulation line, fan diffuser has the container of water inlet 1 by top and the drainpipe 2 that is connected with container bottom constitutes, the freeing port 16 of drainpipe is positioned at sustained height with the waterline in the container, the top of container is provided with a pressure release arm 4 that communicates with atmosphere (effect of pressure release arm 4 is both to have helped keeping normal pressure in fan diffuser top air cavity and the bubbling degassing circulation line, can avoid or reduce simultaneously the diffusion loss of tested gas composition again); Bubbling degassing circulation line is made of sampling thief 5, air pump S1 and gas piping serial connection, and the air-blowing port 6 of its gas piping stretches into the bottom of fan diffuser, and the suction port 7 of gas piping is connected with the top of fan diffuser.
In order to help accurately quantitative sampling, be respectively equipped with air valve F1 and F2 on the gas outlet of sampling thief 5 and the air intake opening.
In order to help the unobstructed and removing condensate water of gas circuit, the tubular intracavity of above-mentioned sampling thief 5 is skewed, and its gas outlet that is provided with air valve F1 is positioned at the low side bottom of this skewed inner chamber; In the top air cavity of fan diffuser, the mouth of pipe below place that is positioned at water inlet 1 top, pressure release arm 4 is provided with the have air hole manger board 8 of (or groove), be connected with an opening that is connected with pressure release arm snorkel 3 up on the freeing port 16 of drainpipe 2, be serially connected with the chamber 9 of intercepting water on the pipeline between the fan diffuser top air intake duct port 7 to air valve F2.
In order to help carrying the gaseous sample in the sampling thief 5 to detect for observation instrument, also be provided with on the inlet, outlet of above-mentioned sampling thief respectively and air valve F2 and F1 air valve F3 and F4 mutually arranged side by side, the another port of described air valve F3 and F4, be connected with a gas piping respectively, its port one 0 and port one 1 link with the gas observation instrument sniffer of outside, wherein are serially connected with air pump S2 on a gas piping.
In order to help that matching used extraneous gas observation instrument sniffer is once being taken a breath with fresh air after the observation end, in order to sample presentation test next time, above-mentioned two with gas piping that outside gas observation instrument sniffer is connected on be serially connected with threeway 12 and threeway 13 respectively, wherein be serially connected in same threeway 12 on the gas piping with air pump S2, to the gas piping between the sampling thief, the arm of two threeways is connected with air valve F5 and F6 respectively at air pump S2.
In order to help avoiding the sample presentation air-flow condensate water that may exist in the sampling thief to be brought in the external observation instrument sniffer that is connected, the gas outlet of above-mentioned air pump S2 is connected with air valve F4 (also can be on another root gas piping, the air intake opening of air pump S2 is connected with air valve F3), the sample presentation air-flow is in the skewed inner chamber of sampling thief from low level toward high-order trend.
In order to help the tested gas sample of accurate measurement volume, between air valve F3 and the F6 and the channel volume between air valve F4 and the F5 be made as far as possible little.
When using installation, fan diffuser is positioned over the sampling thief below, and the gas piping of bubbling degassing circulation line is vertical trend as far as possible, makes air-flow trend wherein go to upper and lower line direction as far as possible; Matching used extraneous gas observation instrument sniffer is positioned over the sampling thief top, the gas outlet of sniffer down and its lowest order that is in the sniffer inner chamber, sniffer inlet, outlet are connected with gas piping port one 0 and port one 1 respectively form closed sample presentation circulation gas circuit; The port one 4 of air valve F5 and the port one 5 of air valve F6 should be avoided stopping up, the gas outlet when wherein port one 4 is for ventilation, but adjunction one gas outlet and draw outdoor; Matching used outside temperature measurer probe inserts and inserts the drainpipe 2 from the opening part of snorkel 3, and must keep the opening of snorkel 3 to communicate with atmosphere; When carrying out the robotization Continuous Observation, wherein each air valve and air pump are controlled required time controller automatically according to corresponding program, can join appropriate by the quantitative degasser of this solution gas manufacturer with the supporting use of gas automatic observer device.
The utility model embodiment course of work is as follows:
1. prepare dissolution equilibrium attitude gas sample.Allow the detected water sample underground water of radon (as contain) continue after the water inlet 1 of fan diffuser flows into container, to flow out through drainpipe 2 again, open air valve F1 and F2, in this simultaneously, booster air pump S1 drive air-flow along bubbling degassing circulation line to the detected water sample of the bringing in constant renewal in bubbling that circulates, tested solution gas component (as radon) reaches the dissolution equilibrium state in water-gas two phase systems in fan diffuser, measures detected water sample temperature t in the fan diffuser in good time.The interior gas sample radon concentration C of sampling thief this moment
GasWith detected water sample radon concentration C
WaterThe pass be:
C
Water/ C
Gasα (t) is the solubility coefficient of radon in=α (t) (1) formula.Environment temperature is revised in formula (1) relation to the influence of degasification process.
2. sampling detects with sample presentation.Close air pump S1 and finish bubbling, close gas check valve F1 and F2, volume is V
gSampling thief 5 finish quantitative sampling.Open air valve F3 and F4, sampling thief 5 be switched to total measurement (volume) be V
GSample presentation circulation gas circuit, booster air pump S2 is V with sampling thief 5 inner volumes
gThe gas sample be evenly distributed to that to be connected in series volume be V
VisitThe sample presentation circulation gas circuit of emanometer sniffer in (emanometer sniffer background pulsimeter digit rate N before this
0After measured).Close air pump S2 and air valve F3, F4, finish sample presentation.The interior radon concentration C of emanometer sniffer this moment
VisitWith initial gas sample radon concentration C in the sampling thief
GasThe pass be:
C
GasV
g=C
VisitV
G(2) by formula (1) and formula (2) following relation is arranged:
C
Water=C
Visitα (t) V
G/ V
g(3) radon concentration C in measuring the emanometer sniffer
Visit, can calculate detected water sample dissolving radon concentration C by formula (3)
WaterValue.Because the C that emanometer provides
VisitComputing formula is
C
Visit=K (N-N
0)/V
Visit(4) K is an instrument constant in the formula, and N is a sample measurement pulsimeter digit rate, so have
C
Water=K (N-N
0) α (t) V
G/ V
gV
Visit(5) can dissolve radon concentration to detected water sample according to formula (3) or formula (5) and provide quantitative expression.
3. the step of taking a breath.After gas sample survey measurements finishes, open air valve F5, F6 and air pump S2, emanometer sniffer and gas piping thereof are taken a breath, close air pump S2 and air valve F5, F6 then, finish ventilation, observe before measurement amount detector background next time in order to emanometer.Also can behind the certain hour of interval, repeat the secondary ventilation if desired.Ventilation step and bubbling step can overlap.
4. step dewaters.Comprise the action of two kinds of different modes of action, the first begins to take a breath before the step after gaseous sample is measured end, open air pump S2 and air valve F2, F4 and F6, make air-flow from F6 along detector, S2, F4, sampling thief, F2, the chamber 9 of intercepting water enter fan diffuser after pressure release arm row to atmosphere.In this process, both can enter the bubbling condensate water that may exist in the air-flow ascending tube of circulation line that outgases in the fan diffuser, can be discharged to the condensate water that may exist in the pressure release arm in the drainpipe of fan diffuser again.It two is before circulation bubbling step begins, open air valve F1 and air pump S1 earlier, make and form negative pressure in the sampling thief, and fan diffuser internal upper part air cavity forms the moment malleation, open air valve F2 after several seconds, make fan diffuser internal upper part air cavity form the moment negative pressure, close gas check valve F2 after several seconds again, so repeat for several times, make fan diffuser internal upper part air cavity produce " pressure oscillation ", thereby gas column in the pressure release arm is applied impulsive force back and forth, impel the condensate water that may be detained in pressure release arm and the bubbling degassing circulation line to get rid of smoothly.In addition, in circulation bubbling process,, can bring in the fan diffuser reaching the condensate water that may exist in the air-flow down pipe of bubbling degassing circulation line in the sampling thief smoothly along the high-end air-flow of the skewed inner chamber of sampling thief toward the low side trend.
Under the situation of carrying out observing automatically continuously at supporting automatic emanometer, the opening and closing action of above-mentioned each air valve and air pump, carry out according to the corresponding work programmed control by joining appropriate time controller in advance, and carry out, the observation automatically continuously of property performance period according to the work period circulation of setting.
Embodiment of the present utility model is novel, the principle science, reasonable in design, measure accurately its application prospect optimism.
Claims (7)
1, the quantitative degasser of a kind of solution gas, it is characterized in that: comprise fan diffuser and bubbling degassing circulation line, fan diffuser has the container of water inlet by top and the drainpipe that is connected with container bottom constitutes, waterline in the freeing port of drainpipe and the container is positioned at sustained height, and the top of container is provided with a pressure release arm that communicates with atmosphere; Bubbling degassing circulation line is made of sampling thief, air pump S1 and gas piping serial connection, and the air-blowing port of its gas piping stretches into the bottom of fan diffuser, and the suction port of gas piping is connected with the top of fan diffuser.
2, the quantitative degasser of solution gas according to claim 1 is characterized in that: be respectively equipped with air valve F1 and air valve F2 on the gas outlet of sampling thief and the air intake opening.
3, the quantitative degasser of solution gas according to claim 2, it is characterized in that: the tubular intracavity of described sampling thief is skewed, and its gas outlet that is provided with air valve F1 is positioned at the low side bottom of this skewed inner chamber; In the top air cavity of fan diffuser, be positioned at water inlet top, place, pressure release arm mouth of pipe below and be provided with the have air hole manger board of (or groove); Be connected with an opening snorkel up that is connected with the pressure release arm on the freeing port of drainpipe; The gas piping suction port that is connected in the fan diffuser top is serially connected with the chamber of intercepting water to the pipeline between the air valve F2.
4, according to claim 2 or the quantitative degasser of 3 described solution gass, it is characterized in that: also be provided with on the inlet, outlet of described sampling thief respectively and air valve F2 and F1 air valve F3 and F4 mutually arranged side by side, the another port of described air valve F3 and F4 is connected with a gas piping respectively.
5, the quantitative degasser of solution gas according to claim 4 is characterized in that: described two gas pipings that are connected with F4 with air valve F3 respectively wherein are serially connected with air pump S2 on a gas piping.
6, the quantitative degasser of solution gas according to claim 5, it is characterized in that: describedly be serially connected with a threeway respectively respectively with on two gas pipings that air valve F3 is connected with F4, wherein be serially connected in threeway on the same gas piping with air pump S2, to the gas piping between the sampling thief, the arm of two threeways is connected with air valve F5 and F6 respectively at air pump S2.
7, according to claim 5 or the quantitative degasser of 6 described solution gass, it is characterized in that: the gas outlet of air pump S2 is connected with air valve F4, and perhaps, the air intake opening of air pump S2 is connected with air valve F3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228947 CN2532473Y (en) | 2002-04-02 | 2002-04-02 | Quantitative degasification device for melting gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228947 CN2532473Y (en) | 2002-04-02 | 2002-04-02 | Quantitative degasification device for melting gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2532473Y true CN2532473Y (en) | 2003-01-22 |
Family
ID=33705379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02228947 Expired - Lifetime CN2532473Y (en) | 2002-04-02 | 2002-04-02 | Quantitative degasification device for melting gas |
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| Country | Link |
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| CN (1) | CN2532473Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109734B (en) * | 2007-08-21 | 2010-08-25 | 上海神开石油化工装备股份有限公司 | Spraying degasser |
| CN105137020A (en) * | 2015-08-20 | 2015-12-09 | 四川大学 | Method for promoting release of supersaturated total dissolved gas by using aeration and experimental device thereof |
| CN105589095A (en) * | 2016-03-10 | 2016-05-18 | 吴清荣 | Underground hydrogen detecting method and underground hydrogen detecting system for earthquake precursor detection |
| CN108147525A (en) * | 2017-12-29 | 2018-06-12 | 中粮融氏生物科技有限公司 | A kind of method and its detection device of sewage aerobic processing dissolved oxygen control |
-
2002
- 2002-04-02 CN CN 02228947 patent/CN2532473Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109734B (en) * | 2007-08-21 | 2010-08-25 | 上海神开石油化工装备股份有限公司 | Spraying degasser |
| CN105137020A (en) * | 2015-08-20 | 2015-12-09 | 四川大学 | Method for promoting release of supersaturated total dissolved gas by using aeration and experimental device thereof |
| CN105589095A (en) * | 2016-03-10 | 2016-05-18 | 吴清荣 | Underground hydrogen detecting method and underground hydrogen detecting system for earthquake precursor detection |
| CN108147525A (en) * | 2017-12-29 | 2018-06-12 | 中粮融氏生物科技有限公司 | A kind of method and its detection device of sewage aerobic processing dissolved oxygen control |
| CN108147525B (en) * | 2017-12-29 | 2021-01-15 | 中粮融氏生物科技有限公司 | Method for controlling dissolved oxygen in aerobic treatment of sewage and detection device thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120405 Granted publication date: 20030122 |