CN204373958U - A kind of soil liquid harvester - Google Patents
A kind of soil liquid harvester Download PDFInfo
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- CN204373958U CN204373958U CN201520036689.3U CN201520036689U CN204373958U CN 204373958 U CN204373958 U CN 204373958U CN 201520036689 U CN201520036689 U CN 201520036689U CN 204373958 U CN204373958 U CN 204373958U
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- soil liquid
- water intaking
- gathering tube
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- intaking cylinder
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Abstract
The soil liquid harvester that the utility model provides, relate to pedology apparatus field, comprise water intaking cylinder, porous ceramics cup, vacuum pump, and syringe, one end of water intaking cylinder is for the porous ceramics cup through the soil liquid, vacuum pump is communicated with by the inside of pipeline with water intaking cylinder, pipeline is provided with and leads to for controlling pipeline the control device closed, control device is between vacuum pump and water intaking cylinder, syringe is communicated with by water gathering tube with water intaking cylinder, one end of water gathering tube is communicated with the injection port of syringe, the other end of water gathering tube stretches into the inside of water intaking cylinder and presses close to bottom porous ceramics cup, water gathering tube is provided with for controlling air-flow, current lead to the valve closed.Reduce the pollution probability to the soil liquid in the water intaking cylinder collected, the data soil liquid being applied to obtain in subsequent experimental are more accurate, error is less, simultaneously more complete to soil liquid collection, convenient, improve the picking rate of the soil liquid, and then improve the collecting efficiency of the soil liquid.
Description
Technical field
The utility model relates to pedology apparatus field, in particular to a kind of soil liquid harvester.
Background technology
The soil liquid may be defined as the soil gap water containing solute and dissolved gas usually, along with making constant progress of science, the soil liquid has become the important research content of the subjects such as soil, plant nutrient, ecologic environment and waterpower, in the prior art, the collection of the soil liquid utilizes porous ceramics cup soil liquid collector to collect more.Porous ceramics cup soil liquid collector in use, utilize in porous ceramics cup soil liquid collector and form negative pressure, the soil liquid in soil is entered in porous ceramics cup soil liquid collector by the porous ceramics cup with water permeability and gas penetration potential, reaches the object that the soil liquid is gathered.
Need when this porous ceramics cup soil liquid collector uses first to be pumped into negative pressure by porous ceramics cup soil liquid collector, keep negative pressure after collecting a period of time, connect sampling bottle again, then the soil liquid in extraction porous ceramics cup soil liquid collector, in sampling bottle, reaches the object of collecting soil solutions.In use, owing to needing repeatedly to plug pipeline to porous ceramics cup soil liquid collector, therefore the soil liquid collected in porous ceramics cup soil liquid collector is easily polluted, affect the result of follow-up chemical examination and experiment, cause the error of measurement result, when pipeline is inserted into porous ceramics cup soil liquid collector simultaneously, pipeline is easily curling, and make pipeline can not arrive the bottom of porous ceramics cup soil liquid collector, the soil liquid in porous ceramics cup soil liquid collector can not be gathered completely, in addition, water gathering tube caliber less (about 1mm), collecting efficiency is low, speed is slow.
Utility model content
In view of this, the utility model provides a kind of soil liquid harvester, to improve the problems referred to above.
The soil liquid harvester that the utility model provides comprises water intaking cylinder, vacuum pump, and syringe, one end of described water intaking cylinder is for the porous ceramics cup through the soil liquid, described vacuum pump is communicated with by the inside of pipeline with described water intaking cylinder, described pipeline is provided with and leads to for controlling described pipeline the control device closed, described control device is between described vacuum pump and described water intaking cylinder, described syringe is communicated with by water gathering tube with described water intaking cylinder, one end of described water gathering tube is communicated with the injection port of described syringe, the other end of described water gathering tube stretches into the inside of described water intaking cylinder and presses close to bottom described porous ceramics cup, described water gathering tube is provided with for controlling air-flow, current lead to the valve closed.
Above-described soil liquid harvester, preferably, described control device is gas valve.Utilize gas valve as control device, control being communicated with between vacuum pump with water intaking cylinder, the good sealing effect while that gas valve being simple to operate, can be good at controlling the logical of pipeline and close, and gas valve structure is simple, durable in use.
Above-described soil liquid harvester, preferably, described pipeline is rubber tubing.Main Function due to pipeline is the pipeline as ventilation, and rubber tubing cost is low and pliability good, can extend the scope of activities of operating personnel.
Above-described soil liquid harvester, preferably, described control device comprises the collar, and the described collar is set in outside described pipeline.The collar is set in outside pipeline, when needs seal pipeline time, is bent by pipeline, extend into bending place in the collar, the collar is set in bending place, utilizes the collar tightening up and extruding bending place, make the bending place of pipeline become sealed end, block the gas circulation in pipeline.The collar is with low cost, and can not increase opening and be connected with control device, avoids pipeline to affect the impermeability of pipeline because gap occurs to leak.
Above-described soil liquid harvester, preferably, described water gathering tube is the anti-aging plastics water gathering tube of acid and alkali-resistance.Water gathering tube is as the passage of the soil liquid in transfer water intaking cylinder, need directly to contact with the soil liquid, due to must multiple solute and dissolved gas be contained in the soil liquid, the pH value of the soil liquid may not be 7, meta-acid or meta-alkali, and containing different kinds of ions, therefore water gathering tube to select can acid-alkali-corrosive-resisting, aging-resistant plastics water gathering tube, such as teflon water gathering tube.If the material of selection unstable chemcial property water gathering tube and the soil liquid will inevitably be caused to react as water gathering tube or water gathering tube self deterioration is degraded, these reactions can consume the solute in the soil liquid on the one hand, the last actual result measured of impact, on the other hand, water gathering tube Small molecular that is aging or degraded generation can pollute the water sample collected.
Above-described soil liquid harvester, preferably, described water intaking cylinder comprises the rubber plug of pvc pipe described in the pvc pipe of both ends open and capping, one end of described pvc pipe is provided with porous ceramics cup, the other end of described pvc pipe is provided with rubber plug, and described pipeline and described water gathering tube are all communicated with the inside of described pvc pipe through described rubber plug.In water intaking cylinder, the porous ceramics cup being arranged on pvc pipe one end is used for filtering out the soil liquid from soil, and then the soil liquid enters into pvc pipe and preserves.Owing to containing multiple solute and dissolved gas in the soil liquid, in order to avoid the soil liquid causes corrosion to water intaking cylinder, adopt pvc pipe as the water intaking cylinder container taking up the soil liquid, because PVC material chemical physical property is stablized, be not easy and other material generation chemical reactions, the character of native soil solution can be ensured as the container taking up the soil liquid, ensure the accuracy of laboratory test results, avoid the aging of water intaking cylinder and corrosion simultaneously, extend the serviceable life of water intaking cylinder, the other end of pvc pipe adopts rubber stopper seal, impermeability is good, can make to keep long negative pressure state in pvc pipe.
Above-described soil liquid harvester, preferably, described soil liquid harvester also comprises intubate, and one end of described intubate to be plugged on described rubber plug and to be communicated with described pvc pipe inside, the other end of described intubate and described pipeline communication.The connection of pipeline and rubber plug is realized by intubate, when using, intubate is plugged on rubber plug, pipeline is set in intubate and stretches out extraneous one end, achieve pipeline and water intaking being communicated with of cylinder inside, do not need inside pipeline being inserted into water intaking cylinder, when reducing use, pipeline directly stretches into water intaking cylinder inside and carries out plugging and pollute the possibility of the soil liquid in water intaking cylinder, make the data of follow-up test and experiment more accurate, reduce experimental error.
Above-described soil liquid harvester, preferably, described valve is three-way valve, and two valve ports in described three-way valve are communicated with described water gathering tube with the injection port of described syringe respectively.Three-way valve is stirred conveniently, has good break-make performance, good airproof performance simultaneously, and structure is simple, easy to use.A port in three-way valve is communicated with water gathering tube, another port in three-way valve is communicated with the injection port of syringe, syringe is utilized to extract the soil liquid of fetching water in cylinder, during extraction, three-way valve is pushed aside, water gathering tube is communicated with the injection port of syringe, the soil liquid in water intaking cylinder can be extracted out by water gathering tube by such syringe, after collecting the soil liquid in syringe, three-way valve is toggled it to the disconnected state of injection port of water gathering tube and syringe, at this moment again syringe and water gathering tube are disconnected, transfer syringe, realize the temporary transient collection to the soil liquid in syringe.
Above-described soil liquid harvester, preferably, described vacuum pump is hand vacuum pump.Hand vacuum pump hand draws push piston to bleed, make to become negative pressure state in water intaking cylinder, be convenient to make the soil liquid penetrate in water intaking cylinder, hand vacuum pump configuration is simple, volume is little, is easy to carry, and portably uses when being especially applicable to going out, the needs inside of water intaking cylinder being carried out to Quick air-discharge decompression can be met, make water intaking cylinder inside become negative pressure state.
Above-described soil liquid harvester, preferably, the internal diameter of described water gathering tube is 2-5mm.If the internal diameter of water gathering tube is too small, syringe soil liquid flow when collecting soil solutions can be caused little, gathering speed is slow, affects the speed of the syringe collecting soil liquid.And if the internal diameter of water gathering tube is excessive, the speed that the soil liquid of same volume raises in the water gathering tube that internal diameter is large is slow, the soil liquid is not easy to enter in syringe and sample remaining in pipeline is more, and inconvenient syringe extracts completely to the soil liquid in water intaking cylinder.
Relative to prior art, the soil liquid harvester that the utility model provides comprises following beneficial effect: first water intaking cylinder is placed in soil by the soil liquid harvester that the utility model provides, close the valve on water gathering tube, utilize vacuum pump to decompression of bleeding in water intaking cylinder, make to become negative pressure state in water intaking cylinder, shutoff control unit again, the soil liquid in soil is under the effect of pressure reduction, penetrate in water intaking cylinder by porous ceramics cup, after collecting certain hour, open control device, normal pressure is recovered in water intaking cylinder, open valve, syringe is utilized to be extracted out by the soil liquid in water intaking cylinder by water gathering tube, be pumped in syringe, again by the valve closing on water gathering tube, like this, the soil liquid extracted out is retained in syringe, achieve the collection to the soil liquid, in whole soil liquid gatherer process, vacuum pump and syringe are communicated with water intaking cylinder simultaneously, pipeline and water gathering tube are passed into the bottom of water intaking cylinder, do not need during use repeatedly pipeline and water gathering tube to be extend in water intaking cylinder and plug, reduce the pollution probability to the soil liquid in the water intaking cylinder collected, the data soil liquid being applied to obtain in subsequent experimental are more accurate, error is less, and the soil liquid bottom water intaking cylinder can also be extracted out by water gathering tube, more complete to soil liquid collection, during collection, the soil liquid is directly pumped in syringe, close the valve on water gathering tube, pulling up syringe just can be temporarily stored in syringe by the soil liquid, make the collection of the soil liquid convenient, improve the picking rate of the soil liquid, and then improve the collecting efficiency of the soil liquid.
Accompanying drawing explanation
In order to clearer explanation the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the soil liquid harvester that the utility model first embodiment provides;
Fig. 2 is the structural representation of the soil liquid harvester that the utility model second embodiment provides;
Use schematic diagram when Fig. 3 is the collecting soil solutions of the soil liquid harvester that Fig. 2 provides.
Wherein, the corresponding relation between Reference numeral and component names is as follows: water intaking cylinder 101, vacuum pump 102, syringe 103, porous ceramics cup 104, pipeline 105, water gathering tube 106, valve 107, gas valve 108, the collar 109, pvc pipe 110, rubber plug 111, intubate 112.
Embodiment
The soil liquid may be defined as the soil gap water containing solute and dissolved gas usually, along with making constant progress of science, the soil liquid has become the important research content of the subjects such as soil, plant nutrient, ecologic environment and waterpower, in the prior art, the collection of the soil liquid utilizes porous ceramics cup soil liquid collector to collect more.Porous ceramics cup soil liquid collector in use, utilize in porous ceramics cup soil liquid collector and produce negative pressure, the soil liquid in soil is entered in porous ceramics cup soil liquid collector by the porous ceramics cup with water permeability and gas penetration potential, reaches the object that the soil liquid is gathered.
Need when this porous ceramics cup soil liquid collector uses first to be pumped into negative pressure by porous ceramics cup soil liquid collector, after collecting one end time, connect sampling bottle again, then the soil liquid in extraction porous ceramics cup soil liquid collector, in sampling bottle, reaches the object of collecting soil solutions.But be through the discovery that studies for a long period of time of researchist, this porous ceramics cup soil liquid collector in use, because needs repeatedly plug pipeline to porous ceramics cup soil liquid collector, therefore the soil liquid collected in porous ceramics cup soil liquid collector is easily polluted, affect the result of follow-up chemical examination and experiment, cause the error of measurement result, when pipeline is inserted into porous ceramics cup soil liquid collector simultaneously, pipeline is easily curling, and make pipeline can not arrive the bottom of porous ceramics cup soil liquid collector, the soil liquid in porous ceramics cup soil liquid collector can not be gathered completely, add that the less soil liquid collecting efficiency that makes of water gathering tube caliber is low, speed is slow.
The utility model provides a kind of soil liquid harvester to improve the problems referred to above.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
In the utility model, first, second, third, etc. are difference signal, are not limit.
Fig. 1 is the structural representation of the soil liquid harvester that the utility model first embodiment provides, as shown in Figure 1, the soil liquid harvester that the utility model first embodiment provides comprises water intaking cylinder 101, vacuum pump 102, with syringe 103, one end of water intaking cylinder 101 is for the porous ceramics cup 104 through the soil liquid, vacuum pump 102 is communicated with by the inside of pipeline 105 with water intaking cylinder 101, one end of pipeline 105 is communicated with the bleeding point of vacuum pump 102, the other end of pipeline 105 is communicated with the inside of water intaking cylinder 101, pipeline 105 is provided with for controlling the logical control device closed of pipeline 105, control device is between vacuum pump 102 and water intaking cylinder 101, syringe 103 is communicated with by water gathering tube 106 with water intaking cylinder 101, one end of water gathering tube 106 is communicated with the injection port of syringe 103, the other end of water gathering tube 106 stretches into the inside of water intaking cylinder 101 and presses close to bottom porous ceramics cup, water gathering tube 106 is provided with for controlling air-flow, current lead to the valve 107 closed.
Preferably, in the present embodiment, control device is gas valve 108.Utilize gas valve 108 as control device, control being communicated with between vacuum pump 102 with water intaking cylinder 101, the while that gas valve 108 being simple to operate, obturation effect is good, can be good at controlling the logical of pipeline 105 and close, and gas valve 108 structure is simple, durable in use.
First water intaking cylinder 101 is placed in soil by the soil liquid harvester that the utility model provides, porous ceramics cup 104 is embedded in soil fixing, valve-off 107, syringe 103 and water gathering tube 106 is made to be in closed off-state, and open gas valve 108, water intaking cylinder 101 is communicated with by pipeline 105 with vacuum pump 102.Because whole soil liquid harvester has been now a closed container, vacuum pump 102 is utilized to bleed in water intaking cylinder 101, the air pressure of fetching water in cylinder 101 is reduced, negative pressure state is become in water intaking cylinder 101, then close gas valve 108, water intaking cylinder 101 keeps negative pressure state, to rest in soil after a period of time, the soil liquid in soil, just under the effect of pressure reduction, is penetrated in water intaking cylinder 101 by porous ceramics cup 104.After collecting certain hour, just a certain amount of soil liquid can be collected in water intaking cylinder 101, then gas valve 108 is opened, the air pressure of water intaking cylinder 101 inside is made to revert to atmospheric pressure, open valve 107 again, syringe 103 is utilized to be extracted out by the soil liquid in water intaking cylinder 101 by water gathering tube 106, be pumped in syringe 103, again the valve 107 that water gathering tube 106 is arranged is closed, syringe 103 and water gathering tube 106 are disconnected, the soil liquid of extraction is realized to persist in syringe 103, by syringe 103 soil liquid transferred in follow-up experimental facilities again and carry out follow-up process.
In whole soil liquid gatherer process, vacuum pump 102 is communicated with water intaking cylinder 101 with syringe 103 simultaneously, pipeline 105 and water gathering tube 106 are passed into the inside of water intaking cylinder 101, carry out not needing when the soil liquid gathers repeatedly pipeline 105 and water gathering tube 106 to be inserted in water intaking cylinder 101, reduce the possibility of the pollution to the soil liquid collected in water intaking cylinder 101, be convenient to obtain more correct experimental result.
And the soil liquid bottom water intaking cylinder 101 can also be extracted out by water gathering tube 106, and soil liquid collection is more complete.During collection, the soil liquid is directly pumped in syringe 103, closes the valve 107 on water gathering tube 106, pull up syringe 103 and just the soil liquid can be temporarily stored in syringe 103, make the collection of the soil liquid convenient, improve picking rate and the collecting efficiency of the soil liquid.
Fig. 2 is the structural representation of the soil liquid harvester that the utility model second embodiment provides; Use schematic diagram when Fig. 3 is the collecting soil solutions of the soil liquid harvester that Fig. 2 provides.As Figure 2-3, the soil liquid harvester that the utility model second embodiment provides is on the basis of the soil liquid harvester provided in the first embodiment, further, water intaking cylinder 101 comprises the pvc pipe 110 of both ends open and the rubber plug 111 of capping pvc pipe 110, one end of pvc pipe 110 is provided with porous ceramics cup 104, the other end of pvc pipe 110 is provided with rubber plug 111, and pipeline 105 and water gathering tube 106 are all communicated with the inside of pvc pipe 110 through rubber plug 111.
The porous ceramics cup 104 being arranged on pvc pipe 110 one end is used for filtering out the soil liquid from soil, and the soil liquid enters into pvc pipe 110 by porous ceramics cup 104 and preserves.Owing to containing multiple solute and dissolved gas in the soil liquid, in order to the soil liquid causes corrosion to water intaking cylinder 101, adopt pvc pipe 110 as the container taking up the soil liquid, PVC material chemistry, physical property are stablized, be not easy and other material generation chemical reactions, the aging of water intaking cylinder 101 can be avoided as the container taking up the soil liquid and corrode and Contaminated Soil Solution.The other end of pvc pipe 110 adopts rubber plug 111 to seal, and impermeability is good, can make to keep long negative pressure state in pvc pipe 110.
Soil liquid harvester is also provided with intubate 112, and one end of intubate 112 to be plugged on rubber plug 111 and to be communicated with pvc pipe 110 inside, and the other end of intubate 112 is communicated with pipeline 105.The switching of pipeline 105 and rubber plug 111 is realized by intubate 112.When using, intubate 112 is plugged on rubber plug 111, pipeline 105 is set in intubate 112 and stretches out extraneous one end, achieve pipeline 105 and water intaking being communicated with of cylinder 101 inside, do not need inside pipeline 105 being inserted into water intaking cylinder 101, when avoiding use, pipeline 105 directly stretches into the inside plug of water intaking cylinder 101 and the soil liquid that pollutes in water intaking cylinder 101, makes the data of follow-up test and experiment more accurate, reduces experimental error.
Further, the control device in the present embodiment comprises the collar 109, and the collar 109 is set in outside pipeline 105.When needs seal pipeline 105 time, pipeline 105 is bent, bending place is extend in the collar 109, the collar 109 is utilized to be set in bending place, tightening up and extruding of the collar 109 pairs of bending places, makes the bending place of pipeline 105 become sealed end, has blocked the gas circulation in pipeline 105.The collar 109 is with low cost, and the opening that can not increase on pipeline 105 coordinates with control device, avoids pipeline 105 and leaks, improve the impermeability of pipeline 105.
Meanwhile, in the present embodiment, pipeline 105 is rubber tubing, and water gathering tube 106 is plastics water gathering tube.Rubber tubing cost is low and pliability good, can be extended the scope of activities of operating personnel by sufficiently long pipeline 105.Can avoid soil liquid harvester in use, operating personnel repeatedly trample the soil near sampled point, damage the quality structure of sampled point soil.
And water gathering tube 106 is as the passage of the soil liquid in transfer water intaking cylinder 101, need directly to contact with the soil liquid, due to must multiple solute and dissolved gas be contained in the soil liquid, the pH value of the soil liquid may not be 7, meta-acid or meta-alkali, and containing different kinds of ions, if the material of selection unstable chemcial property water gathering tube 106 and the soil liquid will inevitably be caused to react as water gathering tube 106 or degradation with aging occurs for self, these reactions can consume the solute in the soil liquid on the one hand, the last actual result measured of impact, on the other hand, the small molecular weight impurity that aging or degraded produces affects soil liquid sample, preferably select teflon water gathering tube.So water gathering tube needs to adopt corrosion-resistant, anti-aging plastics water gathering tube in the present embodiment, be preferably teflon water gathering tube.
In the present embodiment, valve 107 is three-way valve, and two valve ports in three-way valve are communicated with water gathering tube 106 with the injection port of syringe 103 respectively.Three-way valve is stirred conveniently, has good break-make performance, good airproof performance simultaneously, and structure is simple, easy to use.A port in three-way valve is communicated with water gathering tube 106, and another port in three-way valve is communicated with the injection port of syringe 103.
Syringe 103 is utilized to extract the soil liquid of fetching water in cylinder 101, during extraction, three-way valve is stirred, water gathering tube 106 is communicated with the injection port of syringe 103, the soil liquid in water intaking cylinder 101 can be extracted out by water gathering tube 106 by such syringe 103, after taking out the full soil liquid in syringe 103, three-way valve is toggled it to and makes the disconnected state of the injection port of water gathering tube 106 and syringe 103, injection port is closed by three-way valve, at this moment again three-way valve and water gathering tube 106 are disconnected, transfer syringe 103, by syringe 103, realize the collection to the soil liquid in water intaking cylinder 101.
Because soil liquid harvester needs to use out of doors more, in the present embodiment, further, vacuum pump 102 is hand vacuum pump.Hand vacuum pump utilizes hand push-and-pull piston to bleed, make to become negative pressure state in water intaking cylinder 101, be convenient to make the soil liquid under the effect of pressure reduction, permeate in water intaking cylinder 101 from soil, hand vacuum pump configuration is simple, and volume is little, is easy to carry, especially be applicable to portably using when going out, the needs inside of the water intaking cylinder 101 of small size being carried out to Quick air-discharge decompression can be met.
Further, the internal diameter of water gathering tube 106 is 2-5mm, preferably adopts the internal diameter of 4mm.If the internal diameter of water gathering tube 106 is too small, syringe 103 soil liquid flow when collecting soil solutions can be caused little, gathering speed is slow, if and the internal diameter of water gathering tube 106 is excessive, the speed that the soil liquid of same volume raises in the water gathering tube 106 that internal diameter is large is slow, and the soil liquid is not easy to enter in syringe 103, and inconvenient syringe 103 extracts the soil liquid in water intaking cylinder 101, in water gathering tube 106, the residual soil liquid is many simultaneously, and the soil liquid is collected not exclusively.
The present embodiment in use, first water intaking cylinder 101 is put into and draw at sampled point the hole dug in advance, the bottom of hole is stretched in one end of porous ceramics cup 104, water intaking cylinder 101 is sealed with rubber plug 111, pipeline 105 is set in outside intubate 112, the valve 107 at the injection port place of syringe 103 i.e. three-way valve is closed, water gathering tube 106 and syringe 103 are disconnected with water intaking cylinder 101 inside, syringe 103 is not communicated with water intaking cylinder 101, now the collar 109 is set in outside rubber tubing, and manual vacuum pump is communicated with water intaking cylinder 101 inside by rubber tubing.Then manual vacuum pump is utilized to take out as negative pressure state by pvc pipe 110 inside, clutch rubber tubing rubber tubing is sealed, manual vacuum pump is separated with rubber tubing, take off the collar 109, doubling one place on rubber tubing, the collar 109 is set in the fold position of rubber tubing, utilizes the collar 109 to realize the sealing of rubber tubing.
Keep the water intaking cylinder 101 of negative pressure to leave standstill a period of time in the hole of sampled point, the soil liquid can be entered in pvc pipe 110 by porous ceramics cup 104.Then the collar 109 is taken off, rubber tubing is stretching, water intaking cylinder 101 inside is in communication with the outside, the air pressure inside of water intaking cylinder 101 returns to normal atmosphere (An), open the three-way valve of syringe 103, syringe 103 is communicated with water gathering tube 106, with twitch syringe 103, syringe 103 is made to be pumped in syringe 103 by the soil liquid of water intaking cylinder 101 inside, then three-way valve is closed, syringe 103 and three-way valve are disconnected, just the soil liquid has been transferred in syringe 103, then supplemented the soil liquid by syringe 103 to the follow-up experimental facilities that needs.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a soil liquid harvester, it is characterized in that, comprise water intaking cylinder, vacuum pump, and syringe, one end of described water intaking cylinder is for the porous ceramics cup through the soil liquid, described vacuum pump is communicated with by the inside of pipeline with described water intaking cylinder, described pipeline is provided with and leads to for controlling described pipeline the control device closed, described control device is between described vacuum pump and described water intaking cylinder, described syringe is communicated with by water gathering tube with described water intaking cylinder, one end of described water gathering tube is communicated with the injection port of described syringe, the other end of described water gathering tube stretches into the inside of described water intaking cylinder and presses close to bottom described porous ceramics cup, described water gathering tube is provided with for controlling air-flow, current lead to the valve closed.
2. soil liquid harvester according to claim 1, is characterized in that, described control device is gas valve.
3. soil liquid harvester according to claim 1, is characterized in that, described pipeline is rubber tubing.
4. soil liquid harvester according to claim 3, is characterized in that, described control device comprises the collar, and the described collar is set in outside described pipeline.
5. soil liquid harvester according to claim 1, is characterized in that, described water gathering tube is the anti-aging plastics water gathering tube of acid and alkali-resistance.
6. soil liquid harvester according to claim 1, it is characterized in that, described water intaking cylinder comprises the rubber plug of pvc pipe described in the pvc pipe of both ends open and capping, one end of described pvc pipe is provided with porous ceramics cup, the other end of described pvc pipe is provided with rubber plug, and described pipeline and described water gathering tube are all communicated with the inside of described pvc pipe through described rubber plug.
7. soil liquid harvester according to claim 6, it is characterized in that, described soil liquid harvester also comprises intubate, and one end of described intubate to be plugged on described rubber plug and to be communicated with described pvc pipe inside, the other end of described intubate and described pipeline communication.
8. soil liquid harvester according to claim 1, is characterized in that, described valve is three-way valve, and two valve ports in described three-way valve are communicated with described water gathering tube with the injection port of described syringe respectively.
9. soil liquid harvester according to claim 1, is characterized in that, described vacuum pump is hand vacuum pump.
10. soil liquid harvester according to claim 1, is characterized in that, the internal diameter of described water gathering tube is 2-5mm.
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| CN201520036689.3U CN204373958U (en) | 2015-01-19 | 2015-01-19 | A kind of soil liquid harvester |
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| CN201520036689.3U CN204373958U (en) | 2015-01-19 | 2015-01-19 | A kind of soil liquid harvester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990673A (en) * | 2015-08-11 | 2015-10-21 | 遵义市产品质量检验检测院 | Pipettor close performance detection device |
| CN105973642A (en) * | 2016-07-11 | 2016-09-28 | 河海大学 | Rice field percolate extraction device |
| CN105973647A (en) * | 2016-07-20 | 2016-09-28 | 彭清怡 | Device and method for collecting tiny-volume solution in gap in situ |
| CN106769217A (en) * | 2017-01-20 | 2017-05-31 | 贵州师范大学 | A kind of Karst Mountain Areas soil liquid exempts from filter samples and ion activity save set |
| CN107328911A (en) * | 2017-06-29 | 2017-11-07 | 亿信标准认证集团四川有限公司 | Based on the pH value detecting system in detection geology |
| CN109556920A (en) * | 2018-12-11 | 2019-04-02 | 浙江省嘉兴市农业科学研究院（所） | A kind of field plot trial leakage laden water collecting device |
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2015
- 2015-01-19 CN CN201520036689.3U patent/CN204373958U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990673A (en) * | 2015-08-11 | 2015-10-21 | 遵义市产品质量检验检测院 | Pipettor close performance detection device |
| CN105973642A (en) * | 2016-07-11 | 2016-09-28 | 河海大学 | Rice field percolate extraction device |
| CN105973642B (en) * | 2016-07-11 | 2018-09-25 | 河海大学 | A kind of rice field percolate extraction element |
| CN105973647A (en) * | 2016-07-20 | 2016-09-28 | 彭清怡 | Device and method for collecting tiny-volume solution in gap in situ |
| CN106769217A (en) * | 2017-01-20 | 2017-05-31 | 贵州师范大学 | A kind of Karst Mountain Areas soil liquid exempts from filter samples and ion activity save set |
| CN106769217B (en) * | 2017-01-20 | 2023-09-08 | 贵州师范大学 | Karst mountain area soil solution exempts from to filter sampling and ion activity save set |
| CN107328911A (en) * | 2017-06-29 | 2017-11-07 | 亿信标准认证集团四川有限公司 | Based on the pH value detecting system in detection geology |
| CN109556920A (en) * | 2018-12-11 | 2019-04-02 | 浙江省嘉兴市农业科学研究院（所） | A kind of field plot trial leakage laden water collecting device |
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