CN109596460B - Sedimentation weighing device for soil detection - Google Patents
Sedimentation weighing device for soil detection Download PDFInfo
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- CN109596460B CN109596460B CN201910100520.2A CN201910100520A CN109596460B CN 109596460 B CN109596460 B CN 109596460B CN 201910100520 A CN201910100520 A CN 201910100520A CN 109596460 B CN109596460 B CN 109596460B
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- sedimentation
- weighing device
- soil detection
- component
- water
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 61
- 239000002689 soil Substances 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000005303 weighing Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000000956 alloy Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 4
- 241001330002 Bambuseae Species 0.000 abstract 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 4
- 239000011425 bamboo Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000000326 densiometry Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The embodiment of the invention discloses a sedimentation weighing device for soil detection, which has the technical scheme that: including bearing chassis and a plurality of settlement section of thick bamboo of setting on bearing chassis, still be provided with on the bearing chassis and be used for carrying out image acquisition's camera to the settlement section of thick bamboo, a plurality of the settlement section of thick bamboo is fixed a position on the bearing chassis, the camera is on a parallel with the position of the liquid level in the settlement section of thick bamboo can reduce the instability in the manual operation, can carry out a plurality of reading records simultaneously to have the accurate reading that carries out densimeter and thermometer for a longer time, be difficult for makeing mistakes, and can trace to the source, the reading time is free simultaneously, does not need artifical the guard, greatly reduced experimenter's working strength.
Description
Technical Field
The embodiment of the invention relates to the technical field of soil detection, in particular to a sedimentation weighing device for soil detection.
Background
The mechanical composition of soil (soil particle composition) is the percentage ratio of each level of mineral particles in the soil, reflects the size and the number of the mineral particles in the soil, influences the production performances of the soil such as water, gas and nutrient content, maintenance, supply and heat conditions, cultivation performance, seedling emergence performance, seed availability and the like, and has important practical significance for evaluating the basic properties and the forming environment of the soil. In the soil environmental condition investigation work which has been carried out in recent years in a large area at home, it is necessary to measure the soil mechanical composition of a large number of samples.
The current domestic standard of the soil mechanical composition measurement method is "LY/T1225-1999 determination of forest soil particle composition (mechanical composition)" and "NY/T1121.3-2006 soil detection part 3: determination of the mechanical composition of the soil ", both densitometry (or specific gravity) and pipette methods are included in these two standards. Compared with the suction pipe method, the densimeter method has the advantages of relatively simpler operation, lower measuring cost and slightly lower precision, but can meet the requirements of most of construction, so that the densimeter method has much higher utilization rate in the measuring process of soil mechanical composition samples of most of detection mechanisms, and is the most mainstream method for measuring the soil mechanical composition at present. However, densitometry is still a very time-consuming, manual operation is difficult to control accurately (the requirement in practical operation is high), and the detection flux is too small (the single person generally uses 6-8 samples in batches), so that an automatic or semi-automatic instrument is used for replacing the previous complete manual operation, the working time and the working intensity of experimenters can be greatly reduced, the experimental precision and the accuracy are greatly improved, and meanwhile, the detection flux which is several times larger than that of the original manual operation method can be realized.
In the reading link, in manual operation, the horizontal position, the vertical position and the time of the densimeter are not well controlled, especially when a person needs to read a plurality of samples at the same time, the reading time error is large, so that the reading process is difficult to be consistent, especially the reading in 1min and 5min, the reading in 8h has a time difference of more than ten hours from the beginning of the sample weighing of the experiment, and the normal working time of one day is often not enough to complete a complete experiment, thereby greatly increasing the working intensity and the working time of the experimenter.
Disclosure of Invention
Therefore, the embodiment of the invention provides a sedimentation weighing device for soil detection, which is used for solving the problem that the working strength and the time length of an experimenter are increased due to manual reading in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: including bearing chassis and a plurality of subsider of setting on bearing chassis, still be provided with on the bearing chassis and be used for carrying out image acquisition's camera to the subsider, a plurality of the subsider location is on the bearing chassis, the camera is on a parallel with the position of the liquid level in the subsider.
The embodiment of the invention is also characterized in that a plurality of limiting blocks are arranged on the supporting chassis, and a bayonet matched with the limiting blocks is arranged at the bottom of the sedimentation cylinder.
An embodiment of the invention is also characterized in that a thermometer is arranged in the sedimentation cylinder.
The embodiment of the invention is also characterized in that the detection end of the thermometer is positioned in the sedimentation cylinder, and the scale marks of the thermometer are positioned outside the sedimentation cylinder.
An embodiment of the invention is also characterized in that the thermometer is vertically attached to the left of the vertical line of the bayonet at the bottom of the sedimentation cylinder by about 1 cm.
The embodiment of the invention is also characterized in that the sedimentation cylinder is also provided with a filtering component for filtering large particles, and the filtering component comprises a washing sieve sleeved above the sedimentation cylinder.
The embodiment of the invention is also characterized in that the washing sieve is arranged as an integrally formed alloy washing sieve.
The embodiment of the invention is also characterized in that the edge of the integrally formed alloy washing sieve is provided with a placing opening for placing the water level sensor.
The embodiment of the invention is also characterized in that the diameter of the sieve holes of the integrated alloy washing sieve is 0.25mm.
The embodiment of the invention is also characterized in that a sliding component for sliding the supporting chassis is arranged below the supporting chassis.
The embodiment of the invention has the following advantages: the manual operation instability can be reduced, a plurality of reading records can be simultaneously carried out, because the photo is taken, the accurate reading of the densimeter and the thermometer can be carried out for a longer time, the automatic densimeter and the thermometer are more reliable than manual counting, error is not prone to occurrence, tracing can be carried out, meanwhile, the reading time is free, manual watching is not needed, the working intensity of experimenters is greatly reduced, the accurate reading of the densimeter and the thermometer is carried out for a longer time, error is not prone to occurrence, tracing can be carried out, the reading time is free, manual watching is not needed, and the working intensity of experimenters is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of the overall structure of an automatic water spraying system for soil measurement according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention.
In the figure: 11. a supporting chassis; 12. a sedimentation cylinder; 13. a camera; 14. a universal wheel; 15. a thermometer; 16. washing and screening; 161. a placement port; 21. a water tank; 211. a water tank cover; 212. a water inlet; 22. a water pump; 23. a conduit; 24. a metal collar; 25. a spray head.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present invention, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Examples: a sedimentation weighing device for soil detection, as shown with reference to figure 1, comprises a flushing device and a sedimentation device, which comprises a support chassis 11 and a number of sedimentation cylinders 12 arranged on the support chassis 11.
The above-mentioned support chassis 11 is last to be provided with a plurality of stopper, this stopper is used for fixing a plurality of settling cask 12, make a plurality of settling cask 12 stabilize to be fixed on support chassis 11, be provided with camera 13 on support chassis 11, the quantity of camera 13 sets up to one in this embodiment, camera 13 is fixed on the axis in the middle of settling cask 12 support chassis 11, a plurality of stopper uses camera 13 place to be the centre of a circle, be semi-circular range on the tray, and in this embodiment, the interval between every two settling casks 12 equals, this kind of setting is convenient for camera 13 shoot every settling cask 12. Limiting blocks which are embedded with bayonets of the sedimentation cylinders 12 in all hole positions of the supporting chassis 11 are closest to the semicircular circle center of the supporting chassis 11, so that the distances between the sedimentation cylinders 12 on the supporting chassis 11 and the cameras 13 on the vertical line of the circle center are consistent, the cameras 13 do not need to focus one by one when acquiring images of the sedimentation cylinders 12, the situation that the acquired images are blurred due to inaccurate focusing is prevented, the heights of the cameras and the scales of the sedimentation cylinders 1L are set to be the same height in the embodiment, and the heights can be changed according to actual conditions, so that the situation is not limited in the embodiment.
The sliding component used for sliding the bearing chassis 11 is arranged below the bearing chassis 11, in this embodiment, the sliding component is arranged as a plurality of universal wheels 14, so that the bearing chassis 11 can move stably without affecting the liquid in the sedimentation cylinder 12 on the bearing chassis 11, the bearing chassis 11 or the sliding component is also provided with a positioning component used for fixing the position of the bearing chassis 11, the positioning component is used for ensuring that the universal wheels 14 of the bearing chassis 11 can be clamped when necessary, so as to ensure that the bearing chassis 11 can be fixed at a certain position on a laboratory table, and the positioning component can also be arranged as a component for directly fixing the position of the bearing chassis 11, such as a lifting rod, so that the universal wheels 14 are separated from the laboratory table or the friction between the bearing chassis 11 and the laboratory table is increased.
The sedimentation cylinder 12 is a cylindrical sedimentation cylinder 12 in this embodiment, the sedimentation cylinder 12 is made of colorless transparent material, the sedimentation cylinder 12 is made of glass material in this embodiment, a bayonet is arranged at the bottom of the sedimentation cylinder 12, the bayonet can be matched with a limiting block on the supporting chassis 11 to fix the position of the sedimentation cylinder 12 on the supporting chassis 11, and a thermometer 15 is further arranged on the inner side of the cylinder wall of the sedimentation cylinder 12 and used for reading the water temperature in the sedimentation cylinder 12. The thermometer 15 in the sedimentation cylinder 12 is vertically attached to the bottom of the sedimentation cylinder 12, in this embodiment, the thermometer 15 in the sedimentation cylinder 12 is vertically attached to the left of the bottom bayonet vertical line of the sedimentation cylinder 12 by about 1cm, so as to ensure that the reading of the thermometer 15 does not shade the reading of the densimeter in the sedimentation cylinder 12, the detection end of the thermometer 15 is positioned in the sedimentation cylinder 12, and the scale mark of the thermometer 15 is positioned outside the sedimentation cylinder 12, so that the thermometer 15 is not influenced by turbid liquid, and the taken reading is ensured to be clearer.
The scale marks are arranged on the settling drums 12 and are used for representing scales of the settling drums 12, in the embodiment, the positions of the scale marks are set to be 1L, the positions of the settling drums 12 close to the scale marks are engraved with digital numbers, the digital numbers of each settling drum 12 are not limited herein, the digital numbers of each batch of settling drums 12 can be changed according to practical situations, such as 1-30, and the like, the digital numbers of each batch of settling drums 12 are not repeated, and are used for distinguishing the settling drums 12 and preventing a plurality of settling drums 12 from being confused.
Referring to fig. 1 and 2, a filter assembly is further disposed on the settling drum 12, and the filter assembly is disposed as an integrally formed alloy screen 16 in this embodiment, the integrally formed alloy screen 16 can be sleeved above the settling drum 12 for filtering particulate matters, in this embodiment, the aperture of the integrally formed alloy screen 16 is set to 0.25mm, so that liquid and particles with diameters smaller than 0.25mm pass through the screen 16 to enter the settling drum 12, particles with diameters larger than 0.25mm remain in the integrally formed alloy screen 16, and the integrally formed alloy screen 16 is engraved with a digital number, so that the integral formed alloy screen 16 is convenient to record during weighing and filtering, and the integrally formed alloy screen 16 is selected because of the high temperature resistant and wear resistant properties of the integrally formed alloy screen 16.
The flushing device comprises a water storage component for storing liquid, a water pumping component which is communicated with the power component and is used for pumping the liquid, an automatic control component for automatically controlling the start and stop of the water pumping component and a spraying component for spraying the liquid on the sedimentation cylinder 12, in the embodiment, the water storage component is set into a water tank 21, the stored liquid is set into water, but the water tank is not limited herein, the water tank 21 can be changed into other liquid according to practical conditions, a water tank 21 cover is arranged above the water tank 21 and is used for preventing dust or other substances from entering the water tank 21 to cause the phenomenon of impure liquid in the water tank 21, a water adding port 212 is further arranged on the water tank 21, the aperture of the water adding port 212 is larger, and the water can be conveniently poured into ultrapure water in a larger amount and more quickly. The pumping assembly is set as the water pump 22 communicated with the water tank 21 in this embodiment, the water pump 22 is communicated with the water tank 21 through the conduit 23, can also put the water pump 22 into the water tank 21 directly, locate at one end of the inside of the water tank 21 in the conduit 23, fixedly connected with a weight, this weight is set as a metal lantern ring 24 in this embodiment, and the lantern ring cup joints on the conduit 23, used for giving the conduit 23 the weight, guarantee that the conduit 23 can sink in the bottommost of the water tank 21, prevent that the situation that the water pump 22 cannot pump the liquid from appearing when the liquid in the water tank 21 is less.
The spray assembly comprises a spray head 25, the spray head 25 can be fixed above the integrally formed alloy washing sieve 16, the spray head 25 is prevented from falling off due to rebound of the impact force of water when in spray washing, and the fixing mode can be socket connection fixing, plug connection fixing or friction force increasing and the like.
The automatic control assembly comprises a water level sensor and a control device coupled between the water level sensor and the water pump 22, wherein the edge of the integrated alloy washing sieve 16 is provided with a placement opening 161, the water level sensor can be vertically inserted into the sedimentation cylinder 12 from the placement opening 161 at the edge of the integrated alloy washing sieve 16, the water level sensor is provided with a limit card, the insertion depth of each time is the same, in the embodiment, the threshold value in the limit card is set to correspond to the 1L capacity position in the sedimentation cylinder 12, and the spraying and flushing are stopped when the liquid reaches 1L for controlling each time of each sedimentation cylinder 12, without manual observation and intervention.
The control device is set as a controller in this embodiment, and may also be set as a control manner such as computer software to control, where the controller may be connected with multiple sets of spraying components at the same time, and the controller may also control the start of the spraying action through the controller respectively, that is, each water pump 22 is connected to the controller, the controller controls the switch of the water pump 22 to further control the start and stop of the whole spraying component, and then controls the end of the spraying action through multiple water level sensors respectively, and when the limit card tests that the liquid in the settling drum 12 reaches 1L, the water pump 22 corresponding to spraying is controlled to stop working.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (9)
1. A subside weighing device for soil detection, characterized by: the device comprises a bearing chassis (11) and a plurality of sedimentation cylinders (12) arranged on the bearing chassis (11), wherein a camera (13) for collecting images of the sedimentation cylinders is further arranged on the bearing chassis (11), the sedimentation cylinders (12) are positioned on the bearing chassis (11), and the camera (13) is parallel to the position of the liquid level in the sedimentation cylinders (12); the sedimentation weighing device also comprises a flushing device, wherein the flushing device comprises a water storage component for storing liquid, a water pumping component which is communicated with the power component and is used for pumping the liquid, an automatic control component for automatically controlling the start and stop of the water pumping component and a spraying component for spraying the liquid on the sedimentation cylinder; the water pumping assembly is a water pump communicated with the water tank, and the water pump is communicated with the water tank through a guide pipe;
the spray assembly comprises a spray head, and the fixing mode of the spray head can be sleeved and fixed or spliced and fixed;
the automatic control assembly comprises a water level sensor and a control device coupled between the water level sensor and the water pump, and the water level sensor is provided with a limit clamp;
a plurality of limiting blocks are arranged on the supporting chassis (11), and bayonets matched with the limiting blocks are arranged at the bottom of the sedimentation cylinder (12).
2. A sedimentation weighing device for soil detection as claimed in claim 1, characterized in that: a thermometer (15) is arranged in the sedimentation cylinder (12).
3. A sedimentation weighing device for soil detection as claimed in claim 2, characterized in that: the detection end of the thermometer (15) is positioned in the sedimentation cylinder (12), and the scale marks of the thermometer (15) are positioned outside the sedimentation cylinder (12).
4. A sedimentation weighing device for soil detection as claimed in claim 3, characterized in that: the thermometer (15) is positioned at the left side 1cm on the bayonet vertical line at the bottom of the sedimentation cylinder (12).
5. A sedimentation weighing device for soil detection as claimed in claim 1, characterized in that: the sedimentation cylinder (12) is also provided with a filtering component for filtering large particles, and the filtering component comprises a washing sieve (16) sleeved above the sedimentation cylinder (12).
6. A sedimentation weighing device for soil detection as claimed in claim 5 wherein: the washing sieve (16) is arranged as an integrated alloy washing sieve (16).
7. A sedimentation weighing device for soil detection as claimed in claim 6, characterized in that: the edge of the integrated alloy washing sieve (16) is provided with a placing opening (161) for placing a water level sensor.
8. A sedimentation weighing device for soil detection as claimed in claim 7 wherein: the diameter of the sieve holes of the integrated alloy washing sieve (16) is 0.25 and mm.
9. A sedimentation weighing device for soil detection as claimed in claim 1, characterized in that: a sliding component used for sliding the bearing chassis (11) is arranged below the bearing chassis (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100520.2A CN109596460B (en) | 2019-01-31 | 2019-01-31 | Sedimentation weighing device for soil detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100520.2A CN109596460B (en) | 2019-01-31 | 2019-01-31 | Sedimentation weighing device for soil detection |
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| Publication Number | Publication Date |
|---|---|
| CN109596460A CN109596460A (en) | 2019-04-09 |
| CN109596460B true CN109596460B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910100520.2A Active CN109596460B (en) | 2019-01-31 | 2019-01-31 | Sedimentation weighing device for soil detection |
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| Country | Link |
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| CN (1) | CN109596460B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017034493A1 (en) * | 2015-08-24 | 2017-03-02 | Orhan Umut | Soil texture analyzer |
| CN206146961U (en) * | 2016-09-14 | 2017-05-03 | 昆明理工大学 | Device for measuring the free settling velocity of coarse solids |
| CN107957385A (en) * | 2017-12-30 | 2018-04-24 | 杭州珍鑫源食品有限公司 | A kind of measure soil mechanical composition sedimentation vessel with washing and sieving |
| CN209432653U (en) * | 2019-01-31 | 2019-09-24 | 广西壮族自治区环境监测中心站 | A kind of sedimentation meausring apparatus for Soil K+adsorption |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CL2015001499A1 (en) * | 2015-06-03 | 2015-11-27 | Tailpro Consulting Spa | Apparatus and method for static sedimentation tests comprising a plurality of sedimentation specimens, which are subjected to the same mixing conditions. |
-
2019
- 2019-01-31 CN CN201910100520.2A patent/CN109596460B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017034493A1 (en) * | 2015-08-24 | 2017-03-02 | Orhan Umut | Soil texture analyzer |
| CN206146961U (en) * | 2016-09-14 | 2017-05-03 | 昆明理工大学 | Device for measuring the free settling velocity of coarse solids |
| CN107957385A (en) * | 2017-12-30 | 2018-04-24 | 杭州珍鑫源食品有限公司 | A kind of measure soil mechanical composition sedimentation vessel with washing and sieving |
| CN209432653U (en) * | 2019-01-31 | 2019-09-24 | 广西壮族自治区环境监测中心站 | A kind of sedimentation meausring apparatus for Soil K+adsorption |
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| CN109596460A (en) | 2019-04-09 |
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