CN204269421U - The continuous extraction plant of a kind of soil moisture - Google Patents
The continuous extraction plant of a kind of soil moisture Download PDFInfo
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- CN204269421U CN204269421U CN201420643428.3U CN201420643428U CN204269421U CN 204269421 U CN204269421 U CN 204269421U CN 201420643428 U CN201420643428 U CN 201420643428U CN 204269421 U CN204269421 U CN 204269421U
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Abstract
The utility model discloses the continuous extraction plant of a kind of soil moisture, belong to holard extraction technique field, it comprises vacuum pump, dress sample bottle, Temperature controlled heater, vacuum line, pressure indicator, the thermos cup of filled with liquid nitrogen, water sample collect cold-trap and valve; Vacuum line comprises main vacuum tube, vacuum tube and connecting pipe; The heat preservation cup sleeve of filled with liquid nitrogen is contained in water sample and collects on cold-trap; Vacuum pump is connected with main vacuum tube, and main vacuum tube is collected cold-trap with water sample respectively by a vacuum tube and is connected, and water sample is collected between cold-trap and connected by connecting pipe successively, each connecting pipe is equipped with valve, each vacuum tube is equipped with valve.The continuous extraction plant of soil moisture of the present utility model, multiple water sample both can have been utilized to collect, and cold-trap carries out continuously the soil moisture of a sample, segmentation extracting, a water sample also can be utilized to collect cold-trap and carry out once all extractings to the holard of a sample.
Description
Technical field
The utility model belongs to holard extraction technique field, is specifically related to the continuous extraction plant of a kind of soil moisture.
Background technology
At present, have a lot for the technology of holard extracting and device at home and abroad, mainly comprise mechanical expression method, azeotropic method, centrifuge method, microdistillation method and vacuum distillation method.Wherein, operate relatively simple due to vacuum distillation technique and without the need to adding chemical substance, obtaining in subjects field in recent years and applying more and more widely.But existing device is mainly used in research test sample, and the device being specifically designed to holard isotope fractionation study mechanism is very rare.Usually carry out extracting soil water sample with test sample extraction plant both at home and abroad, waste time and energy, and error is large, cannot realize continuous extracting.
Utility model content
Utility model object: the purpose of this utility model is to provide a kind of soil moisture continuous extraction plant, makes it can not only realize continuous extracting, time saving and energy saving, and structure is simple, is easy to operation and maintenance.
Technical scheme: for realizing above-mentioned utility model object, the utility model adopts following technical scheme:
The continuous extraction plant of a kind of soil moisture, comprises vacuum pump, dress sample bottle, Temperature controlled heater, vacuum line, pressure indicator, the thermos cup of filled with liquid nitrogen, water sample collects cold-trap and valve; Described vacuum line comprises main vacuum tube, vacuum tube and connecting pipe; The heat preservation cup sleeve of filled with liquid nitrogen is contained in water sample and collects on cold-trap; Described vacuum pump is connected with main vacuum tube, main vacuum tube is collected cold-trap with water sample respectively by a vacuum tube and is connected, water sample is collected between cold-trap and is connected by connecting pipe successively, each connecting pipe is equipped with valve, each vacuum tube is equipped with valve.
Described water sample collection cold-trap comprises the first water sample collection cold-trap, the second water sample collects cold-trap, the 3rd water sample collects cold-trap, the 4th water sample collects cold-trap, the 5th water sample collection cold-trap, the 6th water sample collection cold-trap and the 7th water sample collect cold-trap; The 7th described water sample is collected cold-trap and is connected with dress sample bottle by connecting pipe, and dress sample bottle is by Temperature controlled heater heated for controlling temperature.
Described valve comprises the first valve, the second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the 9th valve, the tenth valve, the 11 valve, the 12 valve, the 13 valve, the 14 valve and the 15 valve; Wherein, the first described water sample is collected cold-trap and is connected with main vacuum tube by the 9th valve be arranged on a vacuum tube, second water sample is collected cold-trap and is connected with main vacuum tube by the tenth valve be arranged on a vacuum tube, by that analogy, the 7th described water sample is collected cold-trap and is connected with main vacuum tube by the 15 valve be arranged on a vacuum tube.
The first described water sample is collected cold-trap and is connected with dress sample bottle through the 8th valve by connecting pipe, and dress sample bottle is by Temperature controlled heater heated for controlling temperature.
Described main vacuum tube, vacuum tube, connecting pipe and a valve are all glass materials.
Described main vacuum tube is provided with the pressure indicator being used to indicate pressure.
Beneficial effect: compared with prior art, the continuous extraction plant of the soil moisture that the utility model provides, be provided with multiple water sample and collect cold-trap and multiple valve, the connected relation of each several part is adjusted by the switch of by-pass valve control, both multiple water sample can have been utilized to collect, and cold-trap carries out continuously the soil moisture of a sample, segmentation extracting, also a water sample can be utilized to collect cold-trap once all extractings are carried out to the holard of a sample, time saving and energy saving; And this device has higher vacuum performance, for the air conservation of extracting sample provides powerful guarantee.
Accompanying drawing explanation
Fig. 1 is the structural representation of the continuous extraction plant of a kind of soil moisture.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The continuous extraction plant of embodiment 1 soil moisture
As shown in Figure 1, the continuous extraction plant of soil moisture, comprises vacuum pump 11, dress sample bottle 12, Temperature controlled heater 13, vacuum line 14, pressure indicator 15, the thermos cup 16 of filled with liquid nitrogen, water sample collection cold-trap 17 ~ 23, valve 24 ~ 38; Vacuum line 14 comprises main vacuum tube 141, vacuum tube 142 and connecting pipe 143.The thermos cup 16 of filled with liquid nitrogen coordinates water sample to collect cold-trap 17 ~ 23 use.
Vacuum pump 11 is connected with main vacuum tube 141, main vacuum tube 141 is collected cold-trap 17 ~ 23 by a vacuum tube 142 with difference water sample and is connected, water sample is collected between cold-trap 17 ~ 23 and is connected by connecting pipe 143 successively, finally, water sample is collected cold-trap 23 and is connected with dress sample bottle 12 by connecting pipe 143, and dress sample bottle 12 is by Temperature controlled heater 13 heated for controlling temperature.Wherein, each connecting pipe 143 is equipped with valve 24 ~ 31, each vacuum tube 142 is equipped with valve 32 ~ 38.
Water sample collection cold-trap 17 ~ 23 comprises the first water sample collection cold-trap 17, second water sample collection cold-trap 18, the 3rd water sample collects cold-trap 19, the 4th water sample collects cold-trap 20, the 5th water sample collection cold-trap 21, the 6th water sample collection cold-trap 22 and the 7th water sample collection cold-trap 23.Valve 24 ~ 38 comprises the first valve 24, second valve 25, the 3rd valve 26, the 4th valve 27, the 5th valve 28, the 6th valve 29, the 7th valve 30, the 8th valve 31, the 9th valve 32, the tenth valve the 33, the 11 valve the 34, the 12 valve the 35, the 13 valve the 36, the 14 valve the 37 and the 15 valve 38.
Wherein, first water sample is collected cold-trap 17 and is connected with main vacuum tube 141 by the 9th valve 32 be arranged on a vacuum tube 142, second water sample is collected cold-trap 18 and is connected with main vacuum tube 141 by the tenth valve 33 be arranged on a vacuum tube 142, by that analogy, the 7th water sample collection cold-trap 23 is connected with main vacuum tube 141 by the 15 valve 38 be arranged on a vacuum tube 142.
Wherein, first water sample is collected cold-trap 17 and is used in combination with the 8th valve 31 be arranged on connecting pipe 143, connecting pipe 143 between the first water sample collection cold-trap 17 and the second water sample collection cold-trap 18 is provided with the 7th valve 30, connecting pipe 143 between the second water sample collection cold-trap 18 and the 3rd water sample collection cold-trap 19 is provided with the 6th valve 29, by that analogy, the second valve 25 on the connecting pipe 143 be provided with between cold-trap 23 is collected at the 6th water sample collection cold-trap 22 and the 7th water sample, 7th water sample is collected cold-trap 23 and is connected with dress sample bottle 12 by the first valve 24 on connecting pipe 143.
Main vacuum tube 141 is provided with the pressure indicator 15 being used to indicate pressure, pressure indicator 15 can show the air pressure in vacuum tube, on the one hand can when checking sealing, and whether intuitive judgment sealing is good, on the other hand, the operating power of vacuum pump 11 also can be adjusted according to force value.Main vacuum tube 141, vacuum tube 142, connecting pipe 143 and a valve 24 ~ 38 are all glass materials, and cost significantly reduces.
Wherein, dress sample bottle 12 size can be arranged according to actual conditions, and the dress sample bottle of small size capacity is suitable for the pedotheque of high humidity, and the dress sample bottle of large volume capacity can be suitable for the little pedotheque of humidity.The sample that all right extracting plant of this device, earth and sand etc. are dissimilar, for different samples, change different dress sample bottles, the usable range of this device is wide, flexible operation.
The continuous extraction plant of embodiment 2 soil moisture carries out continuously a sample, the method for segmentation extracting
Step 1) before extracting, vacuum tightness inspection is carried out to device:
Close the first valve 24 and the 8th valve 31, all the other valves are all opened, and open vacuum pump 11, waiting for that a few minutes see whether the vacuum tightness of device meets the requirements, as do not met, will investigate fault one by one;
Step 2) inspection after vacuum tightness meet the requirements after, sample is loaded in dress sample bottle 12, the thermos cup 16 of filled with liquid nitrogen in the underneath of the first water sample collection cold-trap 17, close all the other valves, by the first valve 24, second valve 25, 3rd valve 26, 4th valve 27, 5th valve 28, 6th valve 29, 7th valve 30 and the 9th valve 32 are opened, collect cold-trap 17 adduction at the first water sample to catchment point, when after collection x minute, close the 7th valve 30 and the 9th valve 32, the thermos cup 16 of filled with liquid nitrogen in the underneath of the second water sample collection cold-trap 18, open the tenth valve 33, collect cold-trap 18 adduction at the second water sample to catchment point, after x minute, close the 6th valve 29 and the tenth valve 33, the thermos cup 16 of filled with liquid nitrogen in the underneath of the 3rd water sample collection cold-trap 19, open the 11 valve 34, collect cold-trap 19 adduction at the 3rd water sample to catchment point, by that analogy, open the 12 valve 35 successively, 13 valve 36, 14 valve the 37 and the 15 valve 38, and then complete the 4th water sample collection cold-trap 20, 5th water sample collects cold-trap 21, 6th water sample collects the collection of cold-trap 22 and the 7th water sample collection cold-trap 23, the first valve 24 can be closed, carry out the collection of next sample.
Wherein, each cold-trap collects the time x of moisture, can be 5 minutes or 10 minutes etc., can according to the research purpose of researcher designed, designed.So just can carry out isotope assay and contrast to same sample at different time sections fractionation moisture out, thus meet the experiment needs of researcher.
Moisture in a sample is carried out the method for whole extracting by the continuous extraction plant of embodiment 3 soil moisture in a cold-trap
Step 1) before extracting, vacuum tightness inspection is carried out to device:
Close the first valve 24 and the 8th valve 31, all the other valves are all opened, and open vacuum pump 11, waiting for that a few minutes see whether the vacuum tightness of device meets the requirements, as do not met, will investigate fault one by one;
Step 2) inspection after vacuum tightness meet the requirements after, by the thermos cup 16 of filled with liquid nitrogen in the underneath of the 7th water sample collection cold-trap 23, close all valves, only need open the first valve 24 with the 15 valve 38, designed, designed experiment sees how long the moisture in soil sample can all be drained or meet requirement of experiment by needs, then start timing and carry out extracting, as extracting 40 minutes.
The continuous extraction plant of embodiment 4 soil moisture is to the alternately extracting continuously of sample
Step 1) before extracting, vacuum tightness inspection is carried out to device:
Close the first valve 24 and the 8th valve 31, all the other valves are all opened, and open vacuum pump 11, see whether the vacuum tightness of device meets the requirements, and as do not met, investigates fault one by one;
Step 2) on the basis of embodiment 2, dress sample bottle 12 and Temperature controlled heater 13 are respectively equipped with two, the two water samples collection cold-traps being positioned at equipment two ends fill sample bottle 12 respectively by a connecting pipe 143 and and are communicated with, and each dress sample bottle 12 is placed on a Temperature controlled heater 13.By arranging two dress sample bottles 12 and Temperature controlled heater 13, this device can also realize the alternately extracting continuously of two samples.
First water sample is collected cold-trap 17 and is filled sample bottle 12 and be connected through the 8th valve 31 with one by connecting pipe 143; 7th water sample collection cold-trap 23 fills sample bottle 12 by connecting pipe 143 through the first valve 24 and another and is connected.
The course of work: first install first sample to be extracted in device left-half and collect at the first water sample the thermos cup 16 getting out filled with liquid nitrogen below cold-trap 17, all the other valve Close Alls, only need open the 7th valve 30, the 8th valve 31 and the tenth valve 33 and start Sample extraction and water sample collection; After extracting a period of time y, continue to keep liquid nitrogen condensation, but close the 7th valve 30 and the tenth valve 33, stop vacuum pump 11 extracting to left-half sample; Meanwhile, open the first valve the 24, the 15 valve 38 to start to carry out extraction procedure based on right half part device to the 2nd sample to be extracted.Again through y minute, left-half device is interrupted extracting and liquid nitrogen through vacuum pump 11 to be continued condensation two processes and has completed extracting to the 1st dress sample bottle 12, and right half part just in time enters the single liquid nitrogen condensation stage, can close the 15 valve 38, vacuum pump 11 is again for the extracting of left-half to the 3rd sample dress sample bottle 12 to be extracted.Vacuum pump 11 interactive operation, experiment according to this circulation is carried out making this device can also realize the alternately extracting continuously of two samples, thus greatly saves experimental period.
Wherein, cold-trap collects the time y of moisture, can be 20 minutes or 40 minutes etc., can according to the research purpose of researcher designed, designed.
The continuous extraction plant of the soil moisture that the utility model provides, be provided with multiple water sample and collect cold-trap and multiple valve, the connected relation of each several part is adjusted by the switch of by-pass valve control, both multiple water sample can have been utilized to collect, and cold-trap carries out continuously the soil moisture of a sample, segmentation extracting, a water sample also can be utilized to collect cold-trap and carry out once all extractings to the holard of a sample; And this device has higher vacuum performance, for the air conservation of extracting sample provides powerful guarantee; In addition, this device is equipped with temp. Control electric stove, and soil moisture extraction temperature is arranged on 105 DEG C usually, but researcher can arrange different heating-up temperatures voluntarily according to self scientific research object.
Claims (6)
1. the continuous extraction plant of soil moisture, is characterized in that: comprise vacuum pump (11), dress sample bottle (12), Temperature controlled heater (13), vacuum line (14), pressure indicator (15), the thermos cup (16) of filled with liquid nitrogen, water sample collect cold-trap and valve; Described vacuum line (14) comprises main vacuum tube (141), vacuum tube (142) and connecting pipe (143); The thermos cup (16) of filled with liquid nitrogen is sleeved on water sample and collects on cold-trap; Described vacuum pump (11) is connected with main vacuum tube (141), main vacuum tube (141) is collected cold-trap with water sample respectively by a vacuum tube (142) and is connected, water sample is collected between cold-trap successively by connecting pipe (143) series connection, each connecting pipe (143) is equipped with valve, each vacuum tube (142) is equipped with valve.
2. the continuous extraction plant of soil moisture according to claim 1, is characterized in that: described water sample collection cold-trap comprises the first water sample collection cold-trap (17), the second water sample collection cold-trap (18), the 3rd water sample collects cold-trap (19), the 4th water sample collects cold-trap (20), the 5th water sample collection cold-trap (21), the 6th water sample collection cold-trap (22) and the 7th water sample collection cold-trap (23); The 7th described water sample is collected cold-trap (23) and is connected with dress sample bottle (12) by connecting pipe (143), and dress sample bottle (12) is by Temperature controlled heater (13) heated for controlling temperature.
3. the continuous extraction plant of soil moisture according to claim 2, is characterized in that: described valve comprises the first valve (24), the second valve (25), the 3rd valve (26), the 4th valve (27), the 5th valve (28), the 6th valve (29), the 7th valve (30), the 8th valve (31), the 9th valve (32), the tenth valve (33), the 11 valve (34), the 12 valve (35), the 13 valve (36), the 14 valve (37) and the 15 valve (38); Wherein, the first described water sample is collected cold-trap (17) and is connected with main vacuum tube (141) by the 9th valve (32) be arranged on a vacuum tube (142), second water sample is collected cold-trap (18) and is connected with main vacuum tube (141) by the tenth valve (33) be arranged on a vacuum tube (142), by that analogy, the 7th described water sample is collected cold-trap (23) and is connected with main vacuum tube (141) by the 15 valve (38) be arranged on a vacuum tube (142).
4. the continuous extraction plant of soil moisture according to claim 2, it is characterized in that: the first described water sample is collected cold-trap (17) and is connected with dress sample bottle (12) through the 8th valve (31) by connecting pipe (143), and dress sample bottle (12) is by Temperature controlled heater (13) heated for controlling temperature.
5. according to the continuous extraction plant of the soil moisture in Claims 1 to 4 described in any one, it is characterized in that: described main vacuum tube (141), vacuum tube (142), connecting pipe (143) and a valve are all glass materials.
6. according to the continuous extraction plant of the soil moisture in Claims 1 to 4 described in any one, it is characterized in that: on described main vacuum tube (141), be provided with the pressure indicator (15) being used to indicate pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643428.3U CN204269421U (en) | 2014-10-31 | 2014-10-31 | The continuous extraction plant of a kind of soil moisture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643428.3U CN204269421U (en) | 2014-10-31 | 2014-10-31 | The continuous extraction plant of a kind of soil moisture |
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| Publication Number | Publication Date |
|---|---|
| CN204269421U true CN204269421U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420643428.3U Expired - Fee Related CN204269421U (en) | 2014-10-31 | 2014-10-31 | The continuous extraction plant of a kind of soil moisture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204269421U (en) |
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2014
- 2014-10-31 CN CN201420643428.3U patent/CN204269421U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161031 |