CN201653953U - Apparatus for extracting soil sample moisture - Google Patents
Apparatus for extracting soil sample moisture Download PDFInfo
- Publication number
- CN201653953U CN201653953U CN2010201735534U CN201020173553U CN201653953U CN 201653953 U CN201653953 U CN 201653953U CN 2010201735534 U CN2010201735534 U CN 2010201735534U CN 201020173553 U CN201020173553 U CN 201020173553U CN 201653953 U CN201653953 U CN 201653953U
- Authority
- CN
- China
- Prior art keywords
- tube
- test tube
- flask
- liquid nitrogen
- bath heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an apparatus for extracting soil sample moisture, comprising a water bath heating device, a flask, a barometer, an air inlet tube, an air outlet tube, a frosted glass plug, a test tube, a container containing liquid nitrogen and a vacuum pump, the apparatus is characterized in that: a water bath heating device is provided in the lower part of the flask containing soil, the glass tube is inserted into the bottleneck, the other end of the glass tube is connected to the air inlet tube by the barometer, the other end of the air inlet tube penetrates the frosted glass plug of the test tube, and is inserted into the test tube, one end of the air outlet tube penetrates the frosted glass plug of the test tube and is inserted into the test tube, the other end is connected to the vacuum pump, the test tube is placed in the container containing liquid nitrogen, the orifice of the air inlet tube in the tube is higher than that of the air outlet tube, the diameter range of the test tube is 3-4 cm, the diameters of the air inlet tube and the air outlet tube are the same, the ratio of the air inlet/outlet tube diameter to the test tube diameter is 1: 4, vacuum ester is used in every connecting place to perform the sealing, the water bath heating device, the flask, the container containing liquid nitrogen and the test tube are fixed through supports.
Description
One, technical field
The utility model relate to a kind of in hydrology or pedology scientific experiment the device of required extraction soil moisture, be mainly used in hydrology or the research of pedology rule, belong to the hydrological science instrument.
Two, background technology
In the experiment of hydrology basic law, water following oozes the hydrological science rule that mechanism and other basins product conflux in the method research soil of isotope hydrology commonly used.This need extract the moisture in the soil, has both obtained the information of soil moisture content, can record the hydrogen-oxygen isotopic content of moisture again by instrument, and then analysis and research are oozed down and the basic law of confluxing is produced in other basins.In River Basin Hydrology simulation because hydrology rule is unknown, hydrological model utilize information very limited, but be need more Useful Informations in actual simulation and the forecast, could simulate better, forecast more accurate.But it is very difficult extracting all moisture of soil, azeotropic method and centrifugal separation commonly used at present.What azeotropic method adopted is benzene, and this material is poisonous, and danger is bigger, and it is also inconvenient to operate; Inapplicable when centrifugal separation is hanged down the pedotheque water cut, the precision that the centrifugal separation extraction holard carries out isotope analysis is lower.
Three, summary of the invention
The principle that the utility model utilizes vacuum distillation to separate soil moisture proposes a kind of apparatus and method of extracting soil sample moisture, can overcome the shortcoming of above method for fetching water, and apparatus structure is reasonable, easy operating, and method is simple and practical, and feasibility is strong.
The technical solution of the utility model: a kind of device that extracts soil sample moisture, container and vacuum pump by water-bath heating arrangement, flask, barometer, draft tube, escape pipe, ground glass stopper, test tube, Sheng liquid nitrogen are formed, it is characterized in that: the flask bottom of containing soil is provided with the water-bath heating arrangement, bottleneck inserts glass tube, the glass tube other end connects draft tube by barometer, the draft tube other end passes the ground glass stopper of test tube, insert test tube, the ground glass stopper that escape pipe one end passes test tube inserts the test tube other end, connects vacuum pump.Test tube places the container of containing liquid nitrogen, and the mouth of pipe of the draft tube in the test tube is higher than the mouth of pipe of escape pipe, and the diameter range of test tube is 3-4cm, and draft tube is identical with the diameter of escape pipe, with the diameter proportion of test tube be 1: 4.Each junction uses the vacuum ester to seal, and the container and the test tube of water-bath heating arrangement, flask, Sheng liquid nitrogen are fixed by support.
During work, a certain amount of soil sample is put into flask, utilize vacuum pump to take air in the device away earlier, make and be in vacuum in the device, adopt water-bath heating then, keep 100 degrees centigrade of temperature constant, continuous supplementing water in the water-bath heating arrangement in the heating process, keep flask to immerse in the water all the time, and observe barometrical numerical value, when atmospheric pressure value raises, in the container of containing liquid nitrogen, replenish liquid nitrogen, water in the soil sample is constantly vaporized and is entered test tube like this, and constantly is condensed into ice in test tube.Working like this continues 5-7 hour, and powered-down stops heating then, and test tube is taken out, and melts the ice in the test tube, can obtain the moisture in the soil sample.
The utility model advantage compared to existing technology:
1. it is rational in infrastructure to utilize vacuum distillation to separate the holard, easy operating; 2. this device safe and feasible, asepsis environment-protecting; 3. the holard of this device extraction is pure water, does not contain other chemical substance, can reduce the influence that other materials are analyzed the holard; 4. comparatively fast extract all free water, measure soil moisture content indirectly.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model
Among the figure:
1. water-bath heating arrangement
2. flask
3. barometer
4. draft tube
5. escape pipe
6. ground glass stopper
7. test tube
8. contain the container of liquid nitrogen
9. vacuum pump
Five, embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
The bottle end of containing the flask (2) of a certain amount of soil sample, immersed in the water of water-bath heating arrangement (1), bottleneck inserts glass tube, the glass tube other end connects draft tube (4) by barometer (3), draft tube (4) other end passes the ground glass stopper (6) of test tube (7), insert test tube (7), the ground glass stopper (6) that escape pipe (5) one ends pass test tube (7) inserts test tube (7) other end, connects vacuum pump (9).Test tube (7) places the container (8) of containing liquid nitrogen, the mouth of pipe of the draft tube (4) in the test tube (7) is higher than the mouth of pipe of escape pipe (5), the diameter range of test tube (7) is 3-4cm, and draft tube (4) is identical with the diameter of escape pipe (5), with the diameter proportion of test tube (7) be 1: 4.Each junction uses the vacuum ester to seal, and the container (8) and the test tube (7) of water-bath heating arrangement (1), flask (2), Sheng liquid nitrogen are fixed by support.
During work, a certain amount of soil sample is put into flask (1), utilize vacuum pump (9) to take air in the device away earlier, make to be in vacuum in the device, adopt the heating arrangement heating then, the condensing unit condensed steam, work continues 5-7 hour, then powered-down, stop heating, test tube (7) is taken out, melt ice wherein, can obtain moisture whole in the soil sample.
Claims (1)
1. device that extracts soil sample moisture, by the water-bath heating arrangement, flask, barometer, draft tube, escape pipe, ground glass stopper, test tube, containing the container and the vacuum pump of liquid nitrogen forms, it is characterized in that: the flask bottom of containing soil is provided with the water-bath heating arrangement, bottleneck inserts glass tube, the glass tube other end connects draft tube by barometer, the draft tube other end passes the ground glass stopper of test tube, insert test tube, the ground glass stopper that escape pipe one end passes test tube inserts the test tube other end, connect vacuum pump, test tube places the container of containing liquid nitrogen, the mouth of pipe of the draft tube in the test tube is higher than the mouth of pipe of escape pipe, the diameter range of test tube is 3-4cm, draft tube is identical with the diameter of escape pipe, with the diameter proportion of test tube be 1: 4, each junction uses vacuum ester to seal the water-bath heating arrangement, flask, containing the container and the test tube of liquid nitrogen fixes by support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201735534U CN201653953U (en) | 2010-04-27 | 2010-04-27 | Apparatus for extracting soil sample moisture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201735534U CN201653953U (en) | 2010-04-27 | 2010-04-27 | Apparatus for extracting soil sample moisture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201653953U true CN201653953U (en) | 2010-11-24 |
Family
ID=43119197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201735534U Expired - Fee Related CN201653953U (en) | 2010-04-27 | 2010-04-27 | Apparatus for extracting soil sample moisture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201653953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934157A (en) * | 2010-04-27 | 2011-01-05 | 河海大学 | Device and method for extracting water content of soil sample |
| CN109115553A (en) * | 2018-09-03 | 2019-01-01 | 甘肃农业大学 | A kind of closed circulation trace plant tissue moisture high-efficiency device for extracting |
-
2010
- 2010-04-27 CN CN2010201735534U patent/CN201653953U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934157A (en) * | 2010-04-27 | 2011-01-05 | 河海大学 | Device and method for extracting water content of soil sample |
| CN109115553A (en) * | 2018-09-03 | 2019-01-01 | 甘肃农业大学 | A kind of closed circulation trace plant tissue moisture high-efficiency device for extracting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101934157A (en) | Device and method for extracting water content of soil sample | |
| CN103278589B (en) | Detection method and device for volatile and semi-volatile components | |
| CN201653953U (en) | Apparatus for extracting soil sample moisture | |
| CN201594065U (en) | Experimental device for measuring diffusion coefficient of ions in soil | |
| CN102393344B (en) | Device for measuring solubility of gas in liquid with higher boiling point and method | |
| CN103472144A (en) | Method for rapidly measuring free analyte in biological sample | |
| CN109765160A (en) | A kind of apparatus for unsaturated seepage experiment of rock cranny | |
| CN105866304A (en) | Gas chromatography sample thermal desorption and automatic sample injection device | |
| CN102735589B (en) | Device for rapidly and accurately determining hydraulic conductivity of plants | |
| CN109001305B (en) | A kind of detection method of Jian ' er Qingjie liquid | |
| CN104198608A (en) | Method for determining bisphenol A | |
| CN101532921B (en) | Passive sampling device with hollow fiber membrane | |
| CN105021692A (en) | Method for simultaneously determining multiple inorganic elements in cigarette liquid of electronic cigarette | |
| CN206440585U (en) | Single core permeability test device of simulated field conditions | |
| CN206618662U (en) | Novel experimental simulating test device | |
| CN107346632A (en) | A kind of sodium and water reaction quantitative experiment device | |
| CN211954808U (en) | Metering type air pressure sampler | |
| CN207908241U (en) | A kind of aquiclude pore water14C extraction elements | |
| CN204202683U (en) | A kind of gas volume measurement mechanism | |
| CN204439586U (en) | A kind of low-field nuclear magnetic resonance magnet fast constant temperature device | |
| CN101907613A (en) | Acid-hydrolyzable hydrocarbon preparation device and acid-hydrolyzable hydrocarbon measuring method by using same | |
| CN202837055U (en) | Sample microextraction device | |
| CN206756476U (en) | A kind of food inspection Special sampling device | |
| CN202284201U (en) | Rapid extraction instrument of trace volatile oil of ground openings | |
| CN109632987A (en) | A kind of method of quick detection linalool content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130427 |