CN209858392U - Experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient - Google Patents
Experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient Download PDFInfo
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- CN209858392U CN209858392U CN201920100505.3U CN201920100505U CN209858392U CN 209858392 U CN209858392 U CN 209858392U CN 201920100505 U CN201920100505 U CN 201920100505U CN 209858392 U CN209858392 U CN 209858392U
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Abstract
The utility model relates to a but experimental apparatus of simultaneous measurement porosity, feedwater degree and osmotic coefficient, including laboratory bench, infiltration appearance, moisturizing bottle, pond and water pump, the laboratory bench is overhead has adjustable support and fixed bolster, and on adjustable support was arranged in to the moisturizing bottle, adjustable support was adjustable in the direction of height, and on the fixed bolster was arranged in to the infiltration appearance, the pond was located the below of laboratory bench, and in the pond was arranged in to the water pump, the cap of permeating water was installed at the top of infiltration appearance, and pressure measuring component was still installed to one side of infiltration appearance. The utility model has the advantages that: the porosity, the water supply degree and the permeability coefficient of the sample can be measured simultaneously, a plurality of experimental parameters can be measured simultaneously at one time, and experimental instruments, fields and experimental time are saved; the automatic measurement of experimental data is realized, and experimental errors caused by manual measurement are avoided; in the experimental process, the water flow enters and exits to form a circulating system, so that the experimental water is saved, and the environmental protection is facilitated.
Description
Technical Field
The utility model relates to an indoor experiment technical field of groundwater hydrology, especially an experimental apparatus that can measure porosity, feed water degree and osmotic coefficient simultaneously.
Background
Porosity, the feed water degree, the osmotic coefficient is the main parameter of indoor experimental determination of groundwater hydrology, what present laboratory measurement porosity and feed water degree adopted is the water degree meter, what measure osmotic coefficient and adopt is the darcy permeameter, two experiments and its laboratory glassware that corresponds are divided, the instrument price of purchasing every experiment alone is expensive, and the waste water that porosity and feed water degree survey experiment produced directly arranges the downcomer, can't accomplish the cyclic utilization of experimental water, be unfavorable for the environmental protection, consequently design one kind can survey a plurality of experimental parameters simultaneously, and the experimental apparatus of circulating water is very necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an experimental apparatus that can measure porosity, feedwater degree and osmotic coefficient simultaneously.
The purpose of the utility model is realized through the following technical scheme:
an experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient comprises an experimental bench, a permeameter, a water replenishing bottle, a water pool and a water pump, wherein an adjustable support and a fixed support are arranged on the experimental bench, the water replenishing bottle is arranged on the adjustable support, the adjustable support is adjustable in the height direction, the permeameter is arranged on the fixed support, the water pool is positioned below the experimental bench, the water pump is arranged in the water pool, the water outlet of the water pump is connected with the lower end of a communicating pipe A, the upper end of the communicating pipe A is connected with a first port of a three-way pipe A, a second port of the three-way pipe A is connected with the lower end of the communicating pipe B, the upper end of the communicating pipe B is communicated with the lower part of the water replenishing bottle, a third port of the three-way pipe A is connected with one end of the communicating pipe C, the other end of the communicating pipe C is connected with a first port of the three-way pipe B, and, the upper end of a communication pipe D is communicated with the bottom of a water replenishing bottle, a third port of a three-way pipe B is connected with one end of a communication pipe E, the other end of the communication pipe E is communicated with the bottom of a permeameter, a water replenishing valve is arranged on a pipeline of the communication pipe B close to the end of the water replenishing bottle, a communication valve is arranged on a pipeline of the communication pipe C close to the end A of the three-way pipe, a water outlet valve is arranged on a pipeline of the communication pipe D close to the lower end of the water replenishing bottle, and a water inlet valve is arranged on a pipeline of the communication pipe E; the top sealing connection of infiltration appearance has the cap that permeates water, and the upper end of above-mentioned cap that permeates water is open type structure, pressure measurement subassembly is still installed to one side of infiltration appearance.
Furthermore, an adjusting switch capable of adjusting the opening and closing of the water pump and the flow is arranged on the experiment table.
Further, the permeameter includes surge tank and a test section of thick bamboo, the test section of thick bamboo is located surge tank's top, just test section of thick bamboo and surge tank intercommunication, the bottom of test section of thick bamboo is fixed with down the filter, and the top can be dismantled and be connected with the filter.
Furthermore, the lower filter plate and the upper filter plate are both composed of filter gauze and an organic glass plate with round holes, and the round holes are distributed on the organic glass plate at equal intervals.
Further, the edge of going up the filter is equipped with the external screw thread, be equipped with the internal thread on the top inner wall of a laboratory cylinder, go up the filter and pass through screw-thread fit connection with the top of a laboratory cylinder.
Furthermore, a water outlet on one side of the permeable cap is connected with a water drainage hose which is communicated with a water pool, and a flowmeter is arranged at the water outlet of the permeable cap.
Further, pressure measuring unit includes pressure-measuring pipe, pressure-measuring row, pressure-measuring valve and level sensor, the pressure-measuring pipe has three, and three pressure-measuring pipes set up on the lateral wall of a laboratory cylinder by supreme and equidistant ground, the one end that the laboratory cylinder was kept away from to the pressure-measuring pipe is vertical ascending state, and fixes on the pressure-measuring row, is close to the laboratory cylinder end on every pressure-measuring pipe and installs a pressure-measuring valve respectively, is equipped with a level sensor in every pressure-measuring pipe respectively.
Further, the permeameter and the water replenishing bottle are made of transparent organic glass.
Furthermore, the inner wall of the water replenishing bottle is provided with scale marks.
Furthermore, the inner wall of the water stabilizing tank is provided with scale marks.
The utility model has the advantages of it is following:
1. the porosity, the water supply degree and the permeability coefficient of the sample can be measured simultaneously, a plurality of experimental parameters can be measured simultaneously at one time, and experimental instruments, fields and experimental time are saved.
2. The flowmeter is used for measuring the outlet flow, the liquid level sensor is used for measuring the pressure of the pressure measuring pipe, the automatic measurement of experimental data is realized, and the experimental error caused by manual measurement is avoided.
3. In the experimental process, the water flow enters and exits to form a circulating system, so that the experimental water is saved, and the environmental protection is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-permeameter, 1 a-surge tank, 1B-test cylinder, 1B 1-lower filter plate, 1B 2-upper filter plate, 2-water supplement bottle, 3-water pool, 4-water pump, 5-regulating switch, 6-communicating pipe A, 7-three-way pipe A, 8-communicating pipe B, 9-communicating pipe C, 10-water supplement valve, 11-communicating valve, 12-communicating pipe D, 13-three-way pipe B, 14-communicating pipe E, 15-water outlet valve, 16-water inlet valve, 17-adjustable bracket, 18-fixed bracket, 19-water permeable cap, 20-water discharge hose, 21-flowmeter, 22-pressure measuring component, 22 a-pressure measuring pipe, 22B-pressure measuring row, 22C-pressure measuring valve, 22 d-liquid level sensor, 23-experiment table.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in FIG. 1, an experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient comprises a laboratory table 23, a permeameter 1, a water replenishing bottle 2, a water tank 3 and a water pump 4, wherein an adjustable support 17 and a fixed support 18 are arranged on the laboratory table 23, the water replenishing bottle 2 is arranged on the adjustable support 17, the adjustable support 17 is adjustable in the height direction, the adjustable support 17 adjustable in the height direction is a common support for laboratories, and is not described herein any more, the permeameter 1 is arranged on the fixed support 18, the water tank 3 is positioned below the laboratory table 23, the water pump 4 is arranged in the water tank 3, a water outlet of the water pump 4 is connected with the lower end of a communication pipe A6, the upper end of the communication pipe A6 is connected with a first port of a three-way pipe A7, a second port of the three-way pipe A7 is connected with the lower end of a communication pipe B8, the upper end of the communication pipe B8 is communicated with the lower part, a third port of the three-way pipe A7 is connected with one end of a communication pipe C9, the other end of the communication pipe C9 is connected with a first port of a three-way pipe B13, a second port of the three-way pipe B13 is connected with the lower end of a communication pipe D12, the upper end of the communication pipe D12 is communicated with the bottom of the water replenishing bottle 2, the third port of the three-way pipe B13 is connected with one end of a communication pipe E14, the other end of the communication pipe E14 is communicated with the bottom of the permeameter 1, a water replenishing valve 10 is mounted on the pipeline of the communication pipe B8 close to the water replenishing bottle 2 end, a communication valve 11 is mounted on the pipeline of the communication pipe C9 close to the three-way pipe A7 end, a water outlet valve 15 is mounted on the pipeline of the communication pipe D12 close to the lower end of the water replenishing bottle 2; the top of the permeameter 1 is hermetically connected with a permeable cap 19, the upper end of the permeable cap 19 is of an open structure, and a pressure measuring assembly 22 is further mounted on one side of the permeameter 1.
Further, the experiment table 23 is further provided with an adjusting switch 5 capable of adjusting the opening and closing of the water pump 4 and the flow rate, the opening and closing of the water pump 4 and the adjustment of the flow rate are achieved in the prior art, the adjusting switch 5 is only arranged on the experiment table 23 in the embodiment, and the adjustment is convenient for operators to adjust.
Further, the permeameter 1 comprises a water stabilizing tank 1a and an experimental cylinder 1b, wherein the experimental cylinder 1b is positioned above the water stabilizing tank 1a, the experimental cylinder 1b is communicated with the water stabilizing tank 1a, a lower filter plate 1b1 is fixed at the bottom of the experimental cylinder 1b, and an upper filter plate 1b2 is detachably connected at the top of the experimental cylinder 1 b.
Further, the lower filter plate 1b1 and the upper filter plate 1b2 are both composed of filter gauze and an organic glass plate with round holes, and the round holes are distributed on the organic glass plate at equal intervals.
Further, the edge of going up filter 1b2 is equipped with the external screw thread, be equipped with the internal thread on the top inner wall of experiment section of thick bamboo 1b, go up filter 1b2 and experiment section of thick bamboo 1 b's top and pass through screw-thread fit and be connected, can twist filter 1b2, dismantle from experiment section of thick bamboo 1b last filter 1b 2.
Further, a water outlet of one side of the permeable cap 19 is connected with a water discharge hose 20, the water discharge hose 20 is communicated with the water tank 3, a flow meter 21 is further provided at the water outlet of the permeable cap 19, and the flow meter 21 is used for measuring the volume of water discharged from the permeable cap 19.
Further, pressure measuring component 22 includes pressure-measuring pipe 22a, pressure measurement row 22b, pressure-measuring valve 22c and level sensor 22d, pressure-measuring pipe 22a has three, and three pressure-measuring pipe 22a set up on the lateral wall of a laboratory cylinder 1b by supreme and equidistant ground down, the one end that laboratory cylinder 1b was kept away from to pressure-measuring pipe 22a is vertical ascending state, and fixes on pressure-measuring row 22b, and every pressure-measuring pipe 22a goes up to be close to laboratory cylinder (1b) end and installs a pressure-measuring valve 22c respectively, is equipped with a level sensor 22d in every pressure-measuring pipe 22a respectively.
Further, the permeameter 1 and the water supplement bottle 2 are made of transparent organic glass.
Furthermore, the inner wall of the water replenishing bottle 2 is provided with scale marks, and the volume change of the water in the water replenishing bottle 2 can be converted through the difference value of the scale marks.
Furthermore, scale marks are arranged on the inner wall of the water stabilizing tank 1a, and the volume change of the water in the water stabilizing tank 1a can be converted through the difference of the scale marks.
When measuring the porosity, firstly closing the pressure measuring valve 22c on the side of the experimental cylinder 1b, unscrewing the upper filter plate 1b2 at the top end of the experimental cylinder 1b, and filling the experimental cylinder 1b with a sample; adjusting an adjustable bracket 17, slightly raising the bottom of the water replenishing bottle 2 to be higher than the top of the experimental cylinder 1b, closing a water outlet valve 15 of the water replenishing bottle 2, a water inlet valve 16 of the permeameter 1, opening a water replenishing valve 10 of the water replenishing bottle 2 and a communicating valve 11 at a three-way pipe C9; the adjusting switch 5 of the water pump 4 is turned on, water in the pool 3 is pumped into the water replenishing bottle 2, the communicating pipe C9, the communicating pipe D12 and the communicating pipe E14, when the water level scale of the water replenishing bottle 2 is close to 0, the communicating valve 11 is turned off, the water pumping quantity of the water pump 4 is adjusted to be minimum, and when the water level scale of the water replenishing bottle 2 is 0, the water replenishing valve 10 and the adjusting switch 5 are turned off;
opening a water outlet valve 15 of the water replenishing bottle 2 and a water inlet valve 16 of the permeameter, replenishing water into the permeameter 1 from the water replenishing bottle 2, closing the water outlet valve 15 of the water replenishing bottle 2 and the water inlet valve 16 of the permeameter 1 when a sample in the experimental cylinder 1b is saturated, namely a water film is just formed at the top end of the experimental cylinder 1b, wherein the difference between the volume of the reduced water in the water replenishing bottle 2 and the volume of the water stabilizing tank 1a is the volume of the water replenished into the experimental cylinder 1b, and the ratio of the volume to the volume of the experimental cylinder 1b is the porosity;
when the water supply degree is measured, the adjustable bracket 17 is adjusted, the top of the water replenishing bottle 2 is slightly lower than the bottom of the experimental cylinder 1b, the water outlet valve 15 of the water replenishing bottle 2 and the water inlet valve 16 of the permeameter 1 are opened, water in the experimental cylinder 1b flows into the water replenishing bottle 2 under the action of gravity, when the water level in the water stabilizing tank 1a also begins to fall, the water inlet valve 16 below the permeameter 1 and the water outlet valve 15 of the water replenishing bottle 2 are closed, after the water level of the water stabilizing tank 1a is stabilized, the difference between the increased water amount in the water replenishing bottle 2 and the reduced water amount in the water stabilizing tank 1a is the water supply amount, and the ratio of the water volume to the volume of the experimental cylinder 1b is the water supply degree;
when the permeability coefficient is measured, the upper filter plate 1b2 above the experimental cylinder 1b is screwed on, the water replenishing valve 10 and the water outlet valve 15 of the water replenishing bottle 2 are closed, the water inlet valve 16 below the communicating valve 11 and the permeameter 1 is opened, the pressure measuring valve 22c is opened, the regulating switch 5 of the water pump 4 is opened, water is pumped into the permeameter 1 from the water pool 3 and flows out from the water outlet on one side of the water permeable cap 19, the water outlet is connected with the water outlet hose 20, the water outlet hose 20 is connected into the water pool 3, so that the experimental water is recycled, the flow can be automatically recorded by the flow meter 21 arranged at the water outlet, bubbles in the pressure measuring tube 22a are removed, when the water head difference of the pressure measuring tube 22a is the same, the water head of the liquid level sensor 22d and the flow of the flow meter 21; adjusting a regulating switch 5 of the water pump 4, changing the water pumping quantity, repeating the measuring steps, recording different flow rates and water heads, solving the permeability coefficient of the sample according to the Darcy's permeability law, and obtaining the accurate permeability coefficient by carrying out contrastive analysis on the permeability coefficients of the sample under different flow rates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a can measure porosity, feed water degree and osmotic coefficient's experimental apparatus simultaneously which characterized in that: comprises an experiment table (23), a permeameter (1), a water replenishing bottle (2), a water pool (3) and a water pump (4), wherein an adjustable bracket (17) and a fixed bracket (18) are arranged on the experiment table (23), the water replenishing bottle (2) is arranged on the adjustable bracket (17), the adjustable bracket (17) is adjustable in the height direction, the permeameter (1) is arranged on the fixed bracket (18), the water pool (3) is positioned below the experiment table (23), the water pump (4) is arranged in the water pool (3), a water outlet of the water pump (4) is connected with the lower end of a communicating pipe A (6), the upper end of the communicating pipe A (6) is connected with a first port of a three-way pipe A (7), a second port of the three-way pipe A (7) is connected with the lower end of a communicating pipe B (8), the upper end of the communicating pipe B (8) is communicated with the lower part of the water replenishing bottle (2), the third port of the three-way pipe A (7) is connected with one end of a communication pipe C (9), the other end of the communication pipe C (9) is connected with the first port of a three-way pipe B (13), the second port of the three-way pipe B (13) is connected with the lower end of a communication pipe D (12), the upper end of the communication pipe D (12) is communicated with the bottom of the water replenishing bottle (2), the third port of the three-way pipe B (13) is connected with one end of a communication pipe E (14), the other end of the communication pipe E (14) is communicated with the bottom of the permeameter (1), a water replenishing valve (10) is arranged on the pipeline of the communicating pipe B (8) close to the water replenishing bottle (2), a communicating valve (11) is arranged on the pipeline of the communicating pipe C (9) close to the end of the three-way pipe A (7), a water outlet valve (15) is arranged on the pipeline of the communicating pipe D (12) close to the lower end of the water replenishing bottle (2), a water inlet valve (16) is arranged on the pipeline of the communicating pipe E (14) close to the end of the permeameter (1); the top sealing connection of infiltration appearance (1) has ventilative cap (19), and the upper end of above-mentioned ventilative cap (19) is open type structure, pressure measurement subassembly (22) are still installed to one side of infiltration appearance (1).
2. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: and the experiment table (23) is also provided with an adjusting switch (5) capable of adjusting the opening and closing of the water pump (4) and the flow.
3. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: permeameter (1) is including surge tank (1a) and experiment section of thick bamboo (1b), experiment section of thick bamboo (1b) is located the top of surge tank (1a), just experiment section of thick bamboo (1b) and surge tank (1a) intercommunication, the bottom of experiment section of thick bamboo (1b) is fixed with down filter (1b1), and the top can be dismantled and be connected with filter (1b 2).
4. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 3, wherein: the lower filter plate (1b1) and the upper filter plate (1b2) are both composed of filter gauze and an organic glass plate with round holes, and the round holes are distributed on the organic glass plate at equal intervals.
5. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 3 or 4, characterized in that: the edge of going up filter (1b2) is equipped with the external screw thread, be equipped with the internal thread on the top inner wall of experiment section of thick bamboo (1b), go up the top of filter (1b2) and experiment section of thick bamboo (1b) and pass through screw-thread fit and be connected.
6. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: a water outlet on one side of the permeable cap (19) is connected with a water draining hose (20), the water draining hose (20) is communicated with the water pool (3), and a flow meter (21) is arranged at the water outlet of the permeable cap (19).
7. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: pressure measuring component (22) are including pressure-measuring pipe (22a), pressure-measuring row (22b), pressure-measuring valve (22c) and level sensor (22d), pressure-measuring pipe (22a) have three, and three pressure-measuring pipe (22a) are by supreme down and equidistant setting on the lateral wall of a laboratory cylinder (1b), the one end that laboratory cylinder (1b) was kept away from in pressure-measuring pipe (22a) is vertical ascending state, and fixes on pressure-measuring row (22b), is close to laboratory cylinder (1b) end on every pressure-measuring pipe (22a) and installs a pressure-measuring valve (22c) respectively, is equipped with a level sensor (22d) in every pressure-measuring pipe (22a) respectively.
8. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: the permeameter (1) and the water replenishing bottle (2) are made of transparent organic glass.
9. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 1, wherein: and scale marks are arranged on the inner wall of the water replenishing bottle (2).
10. The experimental device for simultaneously measuring porosity, water supply degree and permeability coefficient according to claim 3, wherein: and the inner wall of the water stabilizing tank (1a) is provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920100505.3U CN209858392U (en) | 2019-01-22 | 2019-01-22 | Experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920100505.3U CN209858392U (en) | 2019-01-22 | 2019-01-22 | Experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858392U true CN209858392U (en) | 2019-12-27 |
Family
ID=68930660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920100505.3U Expired - Fee Related CN209858392U (en) | 2019-01-22 | 2019-01-22 | Experimental device capable of simultaneously measuring porosity, water supply degree and permeability coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209858392U (en) |
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2019
- 2019-01-22 CN CN201920100505.3U patent/CN209858392U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20220122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |