CN215894148U - Soil sample vacuum saturation device - Google Patents
Soil sample vacuum saturation device Download PDFInfo
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- CN215894148U CN215894148U CN202121304724.7U CN202121304724U CN215894148U CN 215894148 U CN215894148 U CN 215894148U CN 202121304724 U CN202121304724 U CN 202121304724U CN 215894148 U CN215894148 U CN 215894148U
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Abstract
The utility model relates to a soil sample vacuum saturation device, and belongs to the technical field of civil test devices. The soil sample collecting device comprises a vacuum cavity, a vacuum pump suction mechanism and a water storage mechanism, wherein the vacuum cavity comprises a cavity body and a cavity cover which are connected, and a saturation assembly and a heating assembly for containing a soil sample are arranged in the cavity body; the outer wall of the bottom end of the cavity is provided with a water supply port connected with a water suppression ball for suppressing the flow velocity of water flow; an exhaust port is communicated with the top of the cavity cover, and a vacuum meter for measuring the vacuum degree is arranged above the cavity cover; the vacuum pump pumping mechanism comprises a vacuum pump box, a vacuum pump, a pumping hole and a pumping pipe connected to the pumping hole, the other end of the pumping pipe is connected with an exhaust port on the vacuum cavity, and a vacuum meter is arranged above the pumping hole; the water storage mechanism comprises a water storage barrel and a water supply pipe, one end of the water supply pipe is connected with the water storage barrel, and the other end of the water supply pipe is connected with the water supply opening of the vacuum cavity. The method is convenient to operate, more thorough in saturation, less in experimental steps and time, high in experimental efficiency and lower in manufacturing cost.
Description
Technical Field
The utility model relates to a soil sample vacuum saturation device, and belongs to the technical field of civil test devices.
Background
In the soil test, the saturation of the soil sample is an important part, and many soil tests need to measure the property of the soil sample after the soil sample is subjected to saturation treatment, for example, the soil sample required in the penetration test is a saturated sample, and the clay sample with a smaller permeability coefficient needs to be subjected to vacuum saturation and then the permeability coefficient of the clay sample is measured. In the current vacuum saturation test of the soil sample, the saturation effect is poor after the soil sample is saturated, and the time required for saturation is long; the vacuum degree in the vacuum tank was not measured; the pipe clamp is required to be continuously adjusted in the water injection process so that the air pressure in the vacuum tank is not changed; water injection and air extraction are difficult to be performed simultaneously.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the soil sample vacuum saturation device which is good in saturation effect, short in saturation time and simple in operation, reduces errors in the prior art, and improves experiment precision.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
in one aspect, the utility model provides a soil sample vacuum saturation device comprising
The vacuum cavity comprises a cavity body and a cavity cover which are connected, a saturated assembly for containing a soil sample is placed in the cavity body, a heating assembly is arranged below the saturated assembly to heat clear water, a water supply port is arranged on the outer wall of the bottom end of the cavity body, and the water supply port is connected with a water suppression ball for suppressing the flow rate of water flow; an exhaust port is communicated with the top of the cavity cover, and a vacuum meter for measuring the vacuum degree is arranged above the cavity cover;
the vacuum pump suction mechanism comprises a vacuum pump box, a vacuum pump, an air suction port and an air suction pipe, wherein the vacuum pump is placed in the vacuum pump box, the upper end of the vacuum pump is exposed outside the vacuum pump box, the air suction port is formed in the vacuum pump, one end of the air suction pipe is connected to the air suction port, the other end of the air suction pipe is connected with an air exhaust port in the vacuum cavity, and a vacuum meter is further arranged above the air suction port to observe the size of the vacuum degree;
and the water storage mechanism comprises a water storage barrel and a water supply pipe, one end of the water supply pipe is connected with the water storage barrel, the other end of the water supply pipe is connected with the water supply port of the vacuum cavity, and the water storage mechanism is used for conveying clean water to the vacuum cavity.
Furthermore, the cavity and the cavity cover can be separated and arranged, the saturated assembly can be conveniently placed through the rubber ring in a sealing connection mode, the sealing connection can obtain good sealing performance, and the vacuum degree of follow-up vacuumizing operation is favorably improved.
Furthermore, an adjusting knob is arranged on the vacuum pump and used for adjusting the suction intensity of the vacuum pump.
Further, a vacuum pump switch is arranged below the adjusting knob and used for starting and closing the vacuum pump.
Furthermore, a porous bottom plate for bearing the saturation assembly is arranged inside the cavity of the vacuum cavity, and the porous bottom plate is arranged above the heating assembly.
Further, the saturation assembly employs a three-valve saturator.
Further, the heating assembly adopts an electric heating tube.
Further, the average density of the water suppressing balls is greater than that of water.
Compared with the prior art, the utility model has the following beneficial effects:
the device can simultaneously perform air extraction and water injection, and avoids continuously adjusting the pipe clamp to keep the air pressure in the vacuum cavity stable; a vacuum meter is arranged to measure the vacuum degree and ensure the requirement of the vacuum degree in the test process; the heating assembly is used for heating clean water, so that the saturation effect of the soil sample is improved, and the time required by saturation is shortened; the water flow speed and water flow fluctuation entering from the water supply port are restrained by the water restraining ball, so that the stability of the water flow is facilitated, the saturation is facilitated, and the air entering is reduced. The utility model has the advantages of convenient operation, simple structure of the experimental device and lower manufacturing cost, and reduces the steps and time of the experiment, thereby improving the experimental efficiency.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the soil sample vacuum saturation apparatus of the present invention;
in the figure: 1: adjusting a knob; 2: a vacuum pump switch; 3: a vacuum pump box; 4: a vacuum gauge; 5: an air extraction opening; 6: an air exhaust pipe; 7: an exhaust port; 8: a vacuum pump; 9: a chamber cover; 10: a rubber ring; 11: a water supply port; 12: a perforated base plate; 13: a saturation component; 14: a cavity; 15: a water supply pipe; 16: a water storage barrel; 17: a heating assembly; 18: a water-suppressing ball.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The first embodiment is as follows:
the embodiment provides a soil sample vacuum saturation device, the structure of which is shown in fig. 1, and the device comprises a vacuum cavity, a vacuum pump suction mechanism and a water storage mechanism.
The vacuum cavity comprises a cavity 14 and a cavity cover 9, a saturation assembly 13 is placed inside the cavity 14, the saturation assembly 13 is used for containing a soil sample, namely the soil sample is loaded into the saturation assembly 13 and is placed inside the cavity 14 of the vacuum cavity together with the saturation assembly 13 for saturation.
The cavity 14 is internally provided with a heating component 17 for heating clear water, so that the permeability coefficient of the soil sample can be improved, the saturation time of the soil sample can be reduced, and the heating component 17 is arranged below the saturation component 13.
The outer wall of the bottom end of the cavity 14 is provided with a water supply port 11 for connecting a water storage mechanism; one side that the feed inlet 11 is close to cavity 14 is connected with and suppresses water ball 18 to utilize and restrain the water velocity and the rivers fluctuation that get into from feed inlet 11 from suppressing water ball 18, be favorable to the rivers stable, be convenient for saturation, reduce the air admission.
An exhaust port 7 is communicated with the top of the cavity cover 9 and is used for being connected with a vacuum pump suction mechanism; a vacuum gauge 4 is arranged above the cavity cover 9 and used for measuring the vacuum degree so as to ensure that the requirement of the vacuum degree is met.
Vacuum pump suction mechanism includes vacuum pump case 3, vacuum pump 8, extraction opening 5 and exhaust tube 6, and vacuum pump 8 places in vacuum pump case 3, and the upper end exposes outside vacuum pump case 3, is provided with extraction opening 5 on the vacuum pump 8 for the evacuation, and 6 one end of exhaust tube are connected in extraction opening 5, and the other end links to each other with gas vent 7 on the vacuum cavity, and 5 tops in extraction opening are provided with vacuum table 4. Specifically, the vacuum pump suction mechanism is connected to the vacuum cavity, when air extraction needs to be started, the vacuum pump 8 is used for vacuum filtration, negative pressure is formed through the vacuum pump 8, air in the vacuum cavity is extracted, the environment of the vacuum cavity tends to be vacuum, and therefore the soil sample in the saturation assembly 13 can be rapidly saturated in the vacuum environment; the vacuum meter 4 arranged above the pumping hole 5 is used for monitoring the vacuum degree in real time, and the vacuum degree requirement in the test process can be ensured by observing the vacuum meter 4 at any time during vacuum pumping.
The water storage mechanism comprises a water storage barrel 16 and a water supply pipe 15, the water storage barrel 16 is used for providing and storing clear water, one end of the water supply pipe 15 is connected with the water storage barrel 16, and the other end is connected with the water supply port 11 of the vacuum cavity. The water storage means delivers water flow to the vacuum chamber through a connected water supply line 15.
Specifically, the vacuum chamber provides a vacuum and humid environment for soil sample saturation through the vacuum pump suction mechanism and the water storage mechanism connected with the vacuum chamber, so that the soil saturation is more thorough.
The utility model has the advantages of convenient operation, simple structure of the experimental device and lower manufacturing cost, and reduces the steps and time of the experiment, thereby improving the experimental efficiency.
Example two:
the utility model provides a soil sample vacuum saturation device, wherein a vacuum cavity comprises a cavity body 14 and a cavity cover 9, wherein the cavity body 14 and the cavity cover 9 are arranged in a separable mode and are connected in a sealing mode through a rubber ring 10. Specifically, the vacuum cavity is vertically separable, so that the saturation assembly 13 can be conveniently placed, good sealing performance can be obtained through sealing connection, and the vacuum degree of subsequent vacuumizing operation can be improved.
A saturated component 13 for containing a soil sample is arranged in the cavity 14, and a heating component 17 is arranged below the saturated component 13; a water supply port 11 is arranged on the outer wall of the bottom end of the cavity 14, and the water supply port 11 is connected with a water suppression ball 18; an exhaust port 7 is communicated with the top of the cavity cover 9, and a vacuum meter 4 is arranged above the cavity cover 9. The vacuum pump pumping mechanism comprises a vacuum pump box 3, a vacuum pump 8, an air pumping port 5 and an air pumping pipe 6, and a vacuum meter 4 is arranged above the air pumping port 5; the water storage mechanism comprises a water storage barrel 16 and a water supply pipe 15, one end of the water supply pipe 15 is connected with the water storage barrel 16, and the other end is connected with the water supply port 11 of the vacuum cavity.
In this embodiment, a porous bottom plate 12 for carrying the saturation assembly 13 is further disposed inside the chamber 14 of the vacuum chamber, and the porous bottom plate 12 is disposed above the heating assembly 17. Specifically, the saturation assembly 13 adopts a three-valve saturator, and the embodiment adopts a three-valve saturator with a diameter of 35 mm; the heating assembly 17 is an electric heating tube, and the embodiment adopts an M3 letter single-end electric heating tube.
In the present embodiment, the vacuum pump 8 is an XZ-1 small vacuum pump; the vacuum gauge 4 adopts a YZ-150 vacuum pressure gauge; the vacuum pump 3 is provided with an adjusting knob 1 for adjusting the suction intensity of the vacuum pump 8; a vacuum pump switch 2 is arranged below the adjusting knob 1 and used for starting and stopping a vacuum pump 8.
In this embodiment, the average density of the water-suppressing balls 18 is greater than the density of water.
The operation steps of the utility model are as follows:
(1) the soil sample is loaded into a saturation assembly 13, a cavity cover 9 of a vacuum cavity is opened, the saturation assembly 13 is placed on a porous bottom plate 12 in the vacuum cavity, the cavity cover 9 of the vacuum cavity is covered on a cavity 14 of the vacuum cavity, and the combination and sealing are carried out by a rubber ring 10.
(2) Closing the water supply port 11, opening the exhaust port 7 and the vacuum pump switch 2 to perform air suction, adjusting the suction intensity by using the adjusting knob 1, performing air suction for 1h after the vacuum table 4 shows that-100 kpa is reached, opening the water supply port 11 after 1h to enable clear water to enter a vacuum cavity, stopping air suction after the saturated assembly 13 is completely submerged in water, closing the vacuum pump 8, and closing the water supply port 11.
(3) And opening the heating component 17 to heat clear water, wherein the heating temperature is 35 ℃, and standing for half a day to complete saturation.
(4) After saturation is completed, the heating unit 17 is turned off, and the water supply port 11 is opened to allow water to re-enter the water storage tub 16.
(5) And after the water flows in, opening the cavity cover 9 of the vacuum cavity, and taking out the saturation assembly 13 to obtain a saturated soil sample.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A soil sample vacuum saturation device is characterized by comprising
The vacuum cavity comprises a cavity body (14) and a cavity cover (9) which are connected, a saturation assembly (13) for containing a soil sample is placed in the cavity body (14), and a heating assembly (17) is arranged below the saturation assembly (13); a water supply port (11) is formed in the outer wall of the bottom end of the cavity (14), and the water supply port (11) is connected with a water suppression ball (18) for suppressing the flow velocity of water flow; an exhaust port (7) penetrates through the top of the cavity cover (9), and a vacuum meter (4) for measuring the vacuum degree is further arranged above the cavity cover (9);
the vacuum pump pumping mechanism comprises a vacuum pump box (3), a vacuum pump (8), a pumping hole (5) and a pumping pipe (6), wherein the vacuum pump (8) is placed in the vacuum pump box (3), the upper end of the vacuum pump box is exposed out of the vacuum pump box (3), the pumping hole (5) is formed in the vacuum pump (8), one end of the pumping pipe (6) is connected to the pumping hole (5), the other end of the pumping pipe is connected with an exhaust port (7) in the vacuum cavity, and a vacuum meter (4) is further arranged above the pumping hole (5);
the water storage mechanism comprises a water storage barrel (16) and a water supply pipe (15), one end of the water supply pipe (15) is connected with the water storage barrel (16), and the other end of the water supply pipe is connected with the water supply port (11) of the vacuum cavity.
2. The soil sample vacuum saturation device according to claim 1, characterized in that the cavity (14) and the cavity cover (9) are separately arranged and are hermetically connected through a rubber ring (10).
3. The soil sample vacuum saturation device according to claim 2, characterized in that an adjusting knob (1) is arranged on the vacuum pump (8), and the adjusting knob (1) is used for adjusting the suction intensity of the vacuum pump (8).
4. The soil sample vacuum saturation device according to claim 3, characterized in that a vacuum pump switch (2) is arranged below the adjusting knob (1), and the vacuum pump switch (2) is used for starting and stopping the vacuum pump (8).
5. The soil sample vacuum saturation device according to claim 1, characterized in that a porous bottom plate (12) for carrying a saturation assembly (13) is arranged inside the cavity (14) of the vacuum cavity, and the porous bottom plate (12) is arranged above the heating assembly (17).
6. The soil sample vacuum saturation device according to claim 5, characterized in that the saturation assembly (13) adopts a three-valve saturator.
7. The soil sample vacuum saturation device according to claim 5, characterized in that the heating assembly (17) employs an electrothermal tube.
8. The soil sample vacuum saturation device according to claim 1, characterized in that the average density of the water-suppressing balls (18) is greater than the density of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304724.7U CN215894148U (en) | 2021-06-11 | 2021-06-11 | Soil sample vacuum saturation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304724.7U CN215894148U (en) | 2021-06-11 | 2021-06-11 | Soil sample vacuum saturation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215894148U true CN215894148U (en) | 2022-02-22 |
Family
ID=80345743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121304724.7U Expired - Fee Related CN215894148U (en) | 2021-06-11 | 2021-06-11 | Soil sample vacuum saturation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215894148U (en) |
-
2021
- 2021-06-11 CN CN202121304724.7U patent/CN215894148U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |