CN109297782A - A kind of soil sample humidification dehumidifying device - Google Patents
A kind of soil sample humidification dehumidifying device Download PDFInfo
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- CN109297782A CN109297782A CN201811283932.6A CN201811283932A CN109297782A CN 109297782 A CN109297782 A CN 109297782A CN 201811283932 A CN201811283932 A CN 201811283932A CN 109297782 A CN109297782 A CN 109297782A
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- soil sample
- vacuum chamber
- cabinet
- humidified
- humid cabinet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of soil sample humidification dehumidifying devices, including being parallel to each other and top plate set up and down and bottom plate, top plate is connected with bottom plate by multiple columns, top plate lower part is connected with humid cabinet by transmission device, humid cabinet is connected with liquid storage tank by first pipe, also successively horizontal connection has liquid gasification atomising device and air supply device in first pipe, liquid gasification atomising device and air supply device are electrically connected with gasification damping control respectively, vacuum chamber is provided on bottom plate, vacuum chamber is connected with air water dual-purpose vacuum pump by second pipe, air water dual-purpose vacuum pump is electrically connected with reduced pressure controller, vacuum chamber is connect with humid cabinet by sealing plectane.The device is when soil sample increase and decrease is wet, using pressure difference and atomization gasified water, soil sample quickly, uniformly increase and decrease it is wet, according on made sealing plectane pore quantity number, the increase and decrease that can also carry out batch soil sample is wet.
Description
Technical field
The invention belongs to geotechnical engineering equipment technical fields, and in particular to a kind of soil sample humidification dehumidifying device.
Background technique
Indoors in centrifugal modeling, when cutting undisturbed soil sample processed (undisturbed soil sample) or preparation remoulded sample (disturbed sample),
Change the moisture content of undisturbed soil sample or remoulded sample, the soil sample for obtaining ideal moisture content is a ring important in centrifugal modeling.
After original state or remoulded sample preparation, to change its water content, traditional humidifying method has pre- wet process and burial method, in advance
Wet process humidification time is very fast, and humidification degree is easily controllable, and moisturization effect is preferable, but can not be humidified in batches, needs individually to handle respectively,
Larger workload.Burial method can be humidified in batches, but humidification time is too long, and humidification uniformity is poor；In dehumidification method, undisturbed soil
Sample is generally using ventilation sunning method, and remoulded sample can also use oven drying method, however existing soil test baking oven drying work
Time artificial experience setting at one's discretion, it will usually make baking oven work operation time-out, cause the unnecessary wasting of resources, sunning method of divulging information
It also needs artificial on duty when dehumidification, and measures water-cut variation state, inefficiency repeatedly.Existing Water Content Tests in Soil Samples changes method
And device is difficult to significantly improve mass humidification or the precision and efficiency of dehumidification in soil test.
Summary of the invention
The object of the present invention is to provide a kind of soil sample humidification dehumidifying devices, and solving in existing soil test quickly to criticize
Amount changes the problem of Water Content Tests in Soil Samples.
The dehumidifying device the technical scheme adopted by the invention is that a kind of soil sample is humidified, including be parallel to each other and present and divide into
The top plate and bottom plate set, top plate and bottom plate are connected by multiple columns, and top plate lower part is connected with humid cabinet by transmission device, are increased
Moist chamber is connected with liquid storage tank by first pipe, and vacuum chamber is provided on bottom plate, and vacuum chamber is connected with by second pipe
Air water dual-purpose vacuum pump, air water dual-purpose vacuum pump are electrically connected with reduced pressure controller, and vacuum chamber and humid cabinet pass through sealing plectane
Connection, sealing plectane includes plectane ontology, multiple cylindrical holes is provided on plectane ontology, each cylindrical hole is embedded with
Cutting ring fastener, cutting ring fastener include hollow cylindrical tube, and cylindrical tube is grid surface, cylinder close to one end face of vacuum chamber
Shape cylinder other end is set as open, is evenly distributed with multiple mass sensors on the grid surface of cylindrical tube.
The features of the present invention also characterized in that
It is also connected with liquid gasification atomising device and air supply device in first pipe in turn, liquid gasification atomising device and send
Wind apparatus is electrically connected with gasification damping control respectively.
It is provided with humid cabinet monitoring system on humidification chamber outer wall, humid cabinet monitoring system includes HR10 air humidity sensor
A and LCD display a, HR10 air humidity sensor a and LCD display a is electrically connected, LCD display a and gasification humidification control
Device processed is electrically connected.
Be provided with vacuum chamber monitoring system on outer vacuum chamber wall, vacuum chamber monitoring system include SNS intelligent digital Instrument for Pressure,
LCD display b and HR10 air humidity sensor b, SNS intelligent digital Instrument for Pressure and reduced pressure controller are electrically connected, and HR10 is empty
Gas humidity sensor b and LCD display b is electrically connected, and each mass sensor is electrically connected with LCD display b respectively.
Humid cabinet is cylindrical and inner hollow the first cabinet, open at one end of first cabinet close to vacuum chamber.
Vacuum chamber is cylindrical and inner hollow the second cabinet, open at one end of second cabinet close to humid cabinet.
Humid cabinet top outer is set on column by multiple U-shaped fixed blocks.
It is connected through a screw thread between column and top plate and bottom plate, and column is at least provided with three.
Transmission device is scissor-like jack, and the upper rack posts of scissor-like jack are connect with top plate, the lower fulcrum bar of scissor-like jack
It is connect with humid cabinet.
The invention has the advantages that
The device is when soil sample is humidified, and using pressure difference and atomization gasified water, quickly, be uniformly humidified to soil sample, root
According on made sealing plectane pore quantity number, the humidification of batch soil sample can also be carried out.And it is monitored by humid cabinet and is
System can be set the liquid gasification atomising device when humid cabinet humidity is lower than certain threshold value and start to work, liquid when being higher than certain threshold value
Body gasification atomising device stops working；Equally the air pressure of vacuum chamber can also be allowed to be maintained at certain model by vacuum chamber monitoring system
In enclosing.Under fixed draught head and fixed humidity, pass through calibration, the moisture content of increase soil sample that can be relatively accurate.In dehumidification
When, it is evenly heated by heating sheet with draught head and quickly reduces Water Content Tests in Soil Samples.Since people can be not necessarily to by means of monitoring system
Force value is kept, solve the problems, such as in existing soil test can not rapid batch change Water Content Tests in Soil Samples, save manpower, significantly mention
High working efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of soil sample humidification dehumidifying device of the present invention；
Fig. 2 is the structural schematic diagram that plectane is sealed in a kind of soil sample humidification dehumidifying device of the present invention.
In figure, 1. liquid storage tanks, 2. first control valves, 3. first pipes, 4. liquid gasification atomising devices, 5. air-supplies
Device, 6. air water dual-purpose vacuums pump, 7. second pipes, 8. second control valves, 9. humid cabinets, 10. deflation valves, 11. air inlets
Hole, 12. reduced pressure controllers, 13. vacuum chambers, 14. aspirating holes, 15. gasification damping controls, 16. sealing plectanes, 17. cutting ring buttons
Tool, 18. cylindrical holes, 19. columns, 20. top plates, 21. bottom plates, 22. transmission devices, 23. vacuum chamber monitoring systems, 24. increase
Moist chamber monitoring system.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of soil sample of the present invention is humidified dehumidifying device, as shown in Figure 1, including being parallel to each other and top plate set up and down 20
With bottom plate 21, top plate 20 and bottom plate 21 are connected by multiple columns 19, and 20 lower part of top plate is connected with humidification by transmission device 22
Room 9,9 top outer of humid cabinet are set in column 19 by multiple U-shaped fixed blocks, and the corresponding position of U-shaped fixed block is provided with logical
Hole is provided with humid cabinet monitoring system 24 on 9 outer wall of humid cabinet, and humid cabinet 9 is connected with liquid storage tank 1 by first pipe 3,
Also successively horizontal connection has a liquid gasification atomising device 4 and air supply device 5 in first pipe 3, liquid gasification atomising device 4 and send
Wind apparatus 5 is electrically connected with gasification damping control 15 respectively, and first pipe 3 is equipped with the first control valve 2, for controlling
The switch of first pipe 3；
Transmission device 22 is scissor-like jack, and the upper rack posts of scissor-like jack are connect with top plate 20, under scissor-like jack
Strut is connect with humid cabinet 9；
Liquid gasification atomising device 4 is ultrasonic humidifier or six industrial ultrasonic wave atomizers；Air supply device 5 is air blast
Machine；Air water dual-purpose vacuum pump 6 is red great OL550A type vacuum pump；Three speed of fresh air system intelligence can be selected in gasification damping control 15
Controller or PLC industrial control board temperature AM2301 humidity controller；
Humid cabinet monitoring system 24, including HR10 air humidity sensor a and LCD display a, HR10 air humidity sensing
Device a and LCD display a is electrically connected, and LCD display a and gasification damping control 15 are electrically connected, and LCD display a can be real-time
Show the humidity in humid cabinet 9, HR10 air humidity sensor a measures 9 humidity of humid cabinet and adds to LCD display a and gasification
Wet controller 15 conveys signal；
It is provided with vacuum chamber 13 on bottom plate 21, vacuum chamber monitoring system 23, vacuum chamber 13 are provided on 13 outer wall of vacuum chamber
It is connected with air water dual-purpose vacuum pump 6 by second pipe 7, air water dual-purpose vacuum pump 6 is electrically connected with reduced pressure controller 12, and second
The second control valve 8 is provided on pipeline 7, for controlling the switch of second pipe 7；
Vacuum chamber monitoring system 23, including SNS intelligent digital Instrument for Pressure, LCD display b, HR10 air humidity sensor
B, SNS intelligent digital Instrument for Pressure and reduced pressure controller 12 are electrically connected, and HR10 air humidity sensor b and LCD display b are electrical
Connection, LCD display b and gasification damping control 15 are electrically connected, and LCD display b can be wet in real-time display vacuum chamber 13
Degree, HR10 air humidity sensor b measure 13 humidity of vacuum chamber and convey letter to LCD display b and gasification damping control 15
Number；
SNS intelligent digital Instrument for Pressure can real-time display vacuum chamber 13 air pressure and output order can be set；
Reduced pressure controller 12 is PLC programmable controller FX2N；
Vacuum chamber 13 is connect with humid cabinet 9 by sealing plectane 16；Plectane 16 is sealed, as shown in Fig. 2, including plectane sheet
Body is provided with multiple cylindrical holes 18 on plectane ontology, and cylindrical hole 18 is embedded with cutting ring fastener 17, and cutting ring fastener 17 wraps
Hollow cylindrical tube is included, cylindrical tube is grid surface close to 13 1 end face of vacuum chamber, and cylindrical tube other end is set
Be set to opening, be evenly distributed with multiple mass sensors on the grid surface of cylindrical tube, each mass sensor respectively with LCD
Display screen b is electrically connected, LCD display b can real-time display quality of soil sample, screw thread is equipped on the outside of cylindrical tube and with sealing
Ring, cutting ring fastener 17 are connected through a screw thread with cylindrical hole, realize cutting ring fastener 17 and the closed combination of cylindrical hole 18；
Sealing 16 top and bottom of plectane are provided with sealing ring, and guarantee is combined closely with its vacuum chamber 13, humid cabinet 9；
13 side corresponding position of vacuum chamber is provided with aspirating hole 14；
9 side corresponding position of humid cabinet is provided with air inlet 11, and deflation valve 10 is additionally provided on humid cabinet 9；
Along screw hole is provided in the plate of bottom plate 21, the plate outer of top plate 20 is provided with thread bush, column 19 and top plate 20
It is connected through a screw thread between bottom plate 21, top plate 20, bottom plate 21 and column 19 are made of stainless steel material, and column 19 is at least
There are three settings；
Specifically, humid cabinet 9 is cylindrical and inner hollow the first cabinet, the first cabinet is made of stainless steel material,
First cabinet is close to the open at one end of vacuum chamber 13, and the first cabinet passes through screw and sealing plectane 16 and the fixed group of vacuum chamber 13
Dress；
Specifically, vacuum chamber 13 is the second cabinet of cylinder and inner hollow, cylindrical and inner hollow cabinet, the
Two cabinets are close to the open at one end of humid cabinet 9, and the second cabinet is by screw and sealing plectane 16 and humid cabinet 9 are fixed assembles.
A kind of device of control Water Content Tests in Soil Samples increase and decrease of the present invention, concrete operating principle is:
A it) is humidified, required humidification soil sample is placed in cutting ring first, later in being placed in cutting ring fastener 17, and is mounted on close
It seals on plectane 16, by transmission device 22, vacuum chamber 13, humid cabinet 9 and sealing plectane 16 is bonded closed and stubborn by screw
It fastens.Liquid gasification atomising device 4 and air water dual-purpose vacuum pump 6 are opened, the suitable humidity of setting, vacuum chamber in humid cabinet 9
The suitable air pressure of setting in 13 keeps air pressure and humidity certain by humid cabinet monitoring system 24 and vacuum chamber monitoring system 23
Threshold value in, allow vacuum chamber 13 to keep certain negative pressure (less than the pressure of atmospheric pressure), humid cabinet 9 keeps certain humidity；?
Under the action of pressure difference, the high humility gas in humid cabinet 9 can be directed through soil sample sample body and enter vacuum chamber 13, this Process Gas
A large amount of gasification atomized waters in body can be trapped in soil sample；Since the water in gas is to be atomized existing for vaporous form, with this
Humidification soil sample can make the humidification degree of soil sample more uniform, quick, according to the initial mass of soil sample, moisture content and LCD display b
The quality of soil sample of real-time display can calculate the moisture content of soil sample at this time；
Required humidification soil sample is placed in cutting ring first, heating sheet can be installed above soil sample, and set heating by B) dehumidification
Piece temperature later in being placed in cutting ring fastener 17, and is mounted on sealing plectane 16, by transmission device 22, by 9 liters of humid cabinet
It rises, only sealing plectane 16 and vacuum chamber 13 is bonded closed, and fixed by screw-driving, vacuum chamber 13 sets air pressure, passes through
Vacuum chamber monitoring system 23 keeps gas pressure in vacuum in certain threshold value, under heating sheet heating and pressure difference effect, soil sample
Internal water can be heated evaporation, and can be formed by air-flow by pressure difference and take soil sample out of, and the moisture content in such soil sample will
It significantly reduces, shows the quality of soil sample of b real-time display according to the initial mass of soil sample, moisture content and LCD later, can calculate at this time
The moisture content of soil sample.
Heating sheet can be made of resistance wire and asbestos gauge, and asbestos gauge is wrapped in resistance wire, reach uniformly heated purpose.
The device is when soil sample is humidified, and using pressure difference and atomization gasified water, quickly, be uniformly humidified to soil sample, root
According on made sealing plectane 16 pore quantity number, the humidification of batch soil sample can also be carried out.And it is monitored by humid cabinet
System 24 can be set the liquid gasification atomising device 4 when 9 humidity of humid cabinet is lower than certain threshold value and start to work, and be higher than certain threshold
Liquid gasification atomising device 4 stops working when value；It is same that the air pressure of vacuum chamber 13 can also be allowed by vacuum chamber monitoring system 23
It keeps in a certain range.Under fixed draught head and fixed humidity, by calibration, increase soil sample that can be relatively accurate contains
Water rate.In dehumidification, it is evenly heated by heating sheet with draught head and quickly reduces Water Content Tests in Soil Samples.Due to being by means of monitoring
System can be on duty without manpower, solve the problems, such as in existing soil test can not rapid batch change Water Content Tests in Soil Samples, save
Manpower significantly improves working efficiency.
Claims (9)
- The dehumidifying device 1. a kind of soil sample is humidified, which is characterized in that including being parallel to each other and top plate set up and down (20) and bottom Plate (21), the top plate (20) and bottom plate (21) are connected by multiple columns (19), and top plate (20) lower part passes through transmission dress It sets (22) to be connected with humid cabinet (9), the humid cabinet (9) is connected with liquid storage tank (1), the bottom by first pipe (3) It is provided on plate (21) vacuum chamber (13), the vacuum chamber (13) is connected with air water dual-purpose vacuum pump by second pipe (7) (6), the air water dual-purpose vacuum pump (6) and reduced pressure controller (12) is electrically connected, and the vacuum chamber (13) and humid cabinet (9) are logical Sealing plectane (16) connection is crossed, the sealing plectane (16) includes plectane ontology, is provided with multiple cylinders on the plectane ontology Shape through-hole (18), each cylindrical hole (18) are embedded with cutting ring fastener (17), and the cutting ring fastener (17) includes hollow Cylindrical tube, the cylindrical tube is grid surface close to (13) one end face of vacuum chamber, and the cylindrical tube is another One end face is set as open, is evenly distributed with multiple mass sensors on the grid surface of the cylindrical tube.
- The dehumidifying device 2. a kind of soil sample according to claim 1 is humidified, which is characterized in that on the first pipe (3) also It is connected with liquid gasification atomising device (4) and air supply device (5), the liquid gasification atomising device (4) and air supply device in turn (5) it is electrically connected respectively with gasification damping control (15).
- The dehumidifying device 3. a kind of soil sample according to claim 2 is humidified, which is characterized in that on humid cabinet (9) outer wall It is provided with humid cabinet monitoring system (24), the humid cabinet monitoring system (24) includes HR10 air humidity sensor a and LCD aobvious Display screen a, the HR10 air humidity sensor a and LCD display a are electrically connected, the LCD display a and gasification humidification control Device (15) processed is electrically connected.
- The dehumidifying device 4. a kind of soil sample according to claim 1 is humidified, which is characterized in that on vacuum chamber (13) outer wall It is provided with vacuum chamber monitoring system (23), the vacuum chamber monitoring system (23) includes that SNS intelligent digital Instrument for Pressure, LCD are shown Shield b and HR10 air humidity sensor b, the SNS intelligent digital Instrument for Pressure and reduced pressure controller (12) are electrically connected, described HR10 air humidity sensor b and LCD display b is electrically connected, and the LCD display b and mass sensor are electrically connected.
- The dehumidifying device 5. a kind of soil sample according to claim 1 is humidified, which is characterized in that the humid cabinet (9) is cylinder First cabinet of shape and inner hollow, open at one end of first cabinet close to vacuum chamber (13).
- The dehumidifying device 6. a kind of soil sample according to claim 1 is humidified, which is characterized in that the vacuum chamber (13) is cylinder Second cabinet of shape and inner hollow, open at one end of second cabinet close to humid cabinet (9).
- The dehumidifying device 7. a kind of soil sample according to claim 1 is humidified, which is characterized in that outside humid cabinet (9) top Edge is set on column (19) by multiple U-shaped fixed blocks.
- The dehumidifying device 8. a kind of soil sample according to claim 1 is humidified, which is characterized in that the column (19) and top plate (20) it is connected through a screw thread between bottom plate (21), and the column (19) is at least provided with three.
- The dehumidifying device 9. a kind of soil sample according to claim 1 is humidified, which is characterized in that the transmission device (22) is to cut Formula jack, the upper rack posts of the scissor-like jack are connect with the top plate (20), the lower fulcrum bar of the scissor-like jack and institute State humid cabinet (9) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283932.6A CN109297782B (en) | 2018-10-31 | 2018-10-31 | Soil sample humidifying and dehumidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283932.6A CN109297782B (en) | 2018-10-31 | 2018-10-31 | Soil sample humidifying and dehumidifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109297782A true CN109297782A (en) | 2019-02-01 |
| CN109297782B CN109297782B (en) | 2021-01-26 |
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|---|---|---|---|
| CN201811283932.6A Active CN109297782B (en) | 2018-10-31 | 2018-10-31 | Soil sample humidifying and dehumidifying device |
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Cited By (3)
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| CN111519601A (en) * | 2020-05-18 | 2020-08-11 | 兰州交通大学 | Method for humidifying soil body by using water vapor |
| CN113624941A (en) * | 2021-08-09 | 2021-11-09 | 兰州交通大学 | Device and method for increasing moisture of soil body by vacuum pump suction combined steam |
| CN113941266A (en) * | 2020-12-22 | 2022-01-18 | 中山大学 | Small-size integrated device of appointed moisture content of preparation and soil additive content soil sample |
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| CN113624941A (en) * | 2021-08-09 | 2021-11-09 | 兰州交通大学 | Device and method for increasing moisture of soil body by vacuum pump suction combined steam |
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|---|---|
| CN109297782B (en) | 2021-01-26 |
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