CN111595732A - Indoor measuring instrument for dispersion coefficient - Google Patents

Indoor measuring instrument for dispersion coefficient Download PDF

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Publication number
CN111595732A
CN111595732A CN202010477383.7A CN202010477383A CN111595732A CN 111595732 A CN111595732 A CN 111595732A CN 202010477383 A CN202010477383 A CN 202010477383A CN 111595732 A CN111595732 A CN 111595732A
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China
Prior art keywords
solution chamber
solution
fixing plate
indoor
communicated
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CN202010477383.7A
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Chinese (zh)
Inventor
汪子华
金敏
严慧敏
汪艳
朱兰波
杨磊
吴炳华
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Zhejiang Engineering Survey And Design Institute Group Co ltd
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Zhejiang Engineering Survey And Design Institute Group Co ltd
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Priority to CN202010477383.7A priority Critical patent/CN111595732A/en
Publication of CN111595732A publication Critical patent/CN111595732A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N2013/003Diffusion; diffusivity between liquids

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to an indoor dispersion coefficient measuring instrument, and belongs to the technical field of detection. The device comprises an input container, a testing assembly and a drain pipe, wherein the testing assembly is used for containing a testing sample, the two ends of the testing assembly are open, one end of the testing assembly is communicated with the input container, the other end of the testing assembly is communicated with the drain pipe, the horizontal height of the input container is higher than that of the testing assembly and the drain pipe, and one end of the drain pipe, which is far away from the testing assembly, is communicated with the outside and is higher than that of the testing assembly. The measuring instrument is used for carrying out indoor tests, so that the influence of environmental factors on a test sample during testing is small, interference factors are small, and measurement is facilitated for workers.

Description

Indoor measuring instrument for dispersion coefficient
Technical Field
The invention relates to the technical field of detection, in particular to an indoor dispersion coefficient measuring instrument.
Background
The dispersion coefficient refers to the dispersion rate of a soluble substance when the soluble substance passes through an osmotic medium, and is related to the structure of the medium, the uniformity degree of an osmotic path, the average osmotic flow rate and the physicochemical properties of fluid.
Most of landfill sites constructed in early stage of China are simple landfill sites, artificial anti-seepage liner systems are not paved at the bottoms of the landfill sites, and anti-seepage is mainly carried out by means of natural cohesive soil layers or vertical anti-seepage curtains arranged at the downstream of the landfill sites. After years of operation, many simple landfill leachate cause pollution to underground water and surrounding soil bodies, and some percolate even threaten the safety of drinking water of surrounding residents. Once the landfill leachate is polluted by underground water and soil bodies, the landfill leachate is difficult to thoroughly treat due to high concentration of pollutants and long percolation duration. Therefore, the pollution condition of the simple landfill sites should be investigated, evaluated and predicted on site as soon as possible, and a basis is provided for pollution control. Wherein, the measurement of the diffusion coefficient is an important evaluation index.
The existing dispersion coefficient measurement is generally carried out on site, a measurement area is selected, a hole is drilled at the position of the underground water upstream of the measurement area, solution with certain concentration is put into the hole, the solution permeates into soil of the measurement area, then the concentration of the solution is measured at the position of the underground water downstream of the area, and then the dispersion coefficient of the measurement area is measured through calculation.
However, in the field measurement, the engineering quantity is large, the time is long, wind and rain are sometimes caused, the interference factors are large, the influence of environmental factors is large, and the measured value and the actual value have large deviation.
Disclosure of Invention
The invention aims to provide an indoor measuring instrument for the dispersion coefficient, so that a test sample is less influenced by environmental factors.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an indoor apparatus of determining of diffusion coefficient, includes input container, splendid attire test sample and both ends open-ended test assembly and drain pipe, test assembly's one end with input container is linked together, and the other end with the drain pipe is linked together, input container level is higher than test assembly and drain pipe, deviate from in the drain pipe test assembly's one end is linked together with the external world, and is higher than test assembly.
By adopting the technical scheme, when the dispersion coefficient is measured, the solution with a certain concentration is placed in the input container, the input container is higher than the test component and the drain pipe, and the pressure in the input container is higher than the pressure in the receiving container, so that the solution in the input container can enter the test component, the redundant solution in the test component is discharged from the drain pipe, finally, the concentration of the solution in the test component is measured at intervals, and the dispersion coefficient of the test sample is calculated through calculation. The measuring instrument is used for indoor tests, is convenient for workers to measure, and simultaneously has the advantages of small influence of environmental factors on a test sample during testing, small interference factors and reduction of deviation of measured values and actual values.
The invention is further configured to: the test assembly comprises a first solution chamber with a first containing cavity, a fixed pipe for containing a test sample and a second solution chamber with a second containing cavity, wherein two ends of the fixed pipe are open, two ends of the fixed pipe are respectively communicated with the first containing cavity and the second containing cavity, the input container is communicated with the first containing cavity of the first solution chamber, and the drain pipe is communicated with the second containing cavity of the second solution chamber.
Through adopting above-mentioned technical scheme, the second of second solution room holds the intracavity and has held the clear water, and the liquid that flows in from the input container gets into the first intracavity that holds of first solution room, flows into the fixed pipe of splendid attire test sample behind the first solution room, then holds the chamber from the second that fixed pipe flowed in the second solution room, and the unnecessary liquid in the second solution room flows from the drain pipe, and the staff calculates the diffusion coefficient of test sample through measuring the concentration of the indoor solution of second solution.
The invention is further configured to: the embedded grooves are formed in one end, close to the fixed pipe, of the first solution chamber and one end, close to the fixed pipe, of the second solution chamber, the two ends of the fixed pipe are embedded into the embedded grooves of the first solution chamber and the embedded grooves of the second solution chamber respectively, and the inner side wall of each embedded groove is attached to the outer side wall of the fixed pipe.
Through adopting above-mentioned technical scheme, the both ends of fixed pipe are embedded into the inlay groove of first solution room and the inlay groove of second solution room respectively, and the inside wall of inlay groove and the laminating of the outside wall of fixed pipe mutually, improve the leakproofness between fixed pipe and first solution room and the second solution room, avoid flowing out in the liquid test subassembly.
The invention is further configured to: the first solution chamber and the second solution chamber are both provided with steps, the steps are arranged on the wall of the embedded groove, and the end face of the fixed pipe is abutted against the steps.
Through adopting above-mentioned technical scheme, when fixed pipe and first solution room, fixed pipe and second solution room are connected, the terminal surface and the step looks butt of fixed pipe, and the laminating of the outside wall of the inside wall of caulking groove and fixed pipe further improves the leakproofness between fixed pipe and first solution room and the second solution room.
The invention is further configured to: the test assembly further comprises two filtering pieces, wherein the two filtering pieces are respectively arranged at two ends of the fixed pipe, and the filtering pieces cover the pipe orifice of the fixed pipe.
By adopting the technical scheme, the filter element can allow the solution to pass through to block the test sample, when the solution in the first solution chamber flows into the fixing pipe, the filter element can reduce the impact of the solution on the test sample and reduce the influence of the test sample on the flow rate of the solution in the test sample; the filter element reduces the flow of the test sample from the holding tube as the solution in the holding tube enters the second solution chamber.
The invention is further configured to: the test assembly further comprises a first exhaust pipe, one end of the first exhaust pipe is communicated with the first solution chamber, the other end of the first exhaust pipe is communicated with the outside, and an opening communicated with the outside in the first exhaust pipe is not lower than the height of the input container.
Through adopting above-mentioned technical scheme, when solution from first solution room entering fixed intraductal, the air in the test sample is extruded and is discharged from first blast pipe after getting into first solution room by solution, avoids the air to influence the flow velocity of solution in the test sample.
The invention is further configured to: the testing assembly further comprises a second exhaust pipe, one end of the second exhaust pipe is communicated with the second solution chamber, the other end of the second exhaust pipe is communicated with the outside, and an opening in the second exhaust pipe, which is communicated with the outside, is not lower than the height of the second solution chamber and is not higher than the height of the input container.
Through adopting above-mentioned technical scheme, when solution from fixed pipe gets into the second solution indoor, the air in the test sample is extruded by solution and is discharged in the second blast pipe after getting into the second solution room, avoids the air to influence the flow velocity of solution in the test sample.
The invention is further configured to: the test assembly further comprises a fixing frame which comprises a first fixing plate, a second fixing plate and at least two fixing bolts, wherein the first fixing plate is connected with one end, far away from the fixing pipe, of the first solution chamber, the second fixing plate is connected with one end, far away from the fixing pipe, of the second solution chamber, the first fixing plate is connected with the second fixing plate through at least two connecting holes, the connecting holes of the first fixing plate correspond to the connecting holes of the second fixing plate, and the fixing bolts penetrate through the connecting holes of the first fixing plate and the connecting holes of the second fixing plate and then are connected with fixing nuts.
Through adopting above-mentioned technical scheme, after the both ends embedding first solution room and the second solution room of fixed pipe, fixing bolt passes behind the connecting hole of first fixed plate and the connecting hole of second fixed plate and is connected with fixation nut, makes first fixed plate and second fixed plate drive first solution room and second solution room and extrudees to fixed pipe, improves the leakproofness between fixed pipe and first solution room and the second solution room, prevents that solution from flowing from the test component.
The invention is further configured to: the first fixing plate is fixedly connected with the first solution chamber through a connecting screw, the connecting screw is in threaded connection with the first solution chamber, and the end of the connecting screw enters the first accommodating cavity and is abutted to the filter element in the first solution chamber.
By adopting the technical scheme, the first fixing plate is fixedly connected with the first solution chamber, so that the firmness of connection between the fixing frame and the first solution chamber is improved; when filtering the piece and being located first solution indoor, connecting screw and the indoor filter piece looks butt of first solution make the indoor first chamber that holds that supplies solution to deposit of formation of first solution, make things convenient for the indoor solution of first solution to get into in the fixed tube.
The invention is further configured to: the second fixing plate is fixedly connected with the second solution chamber through a connecting screw, the connecting screw is in threaded connection with the second solution chamber, and the end of the connecting screw enters the second containing cavity and is abutted to the filter element in the second solution chamber.
By adopting the technical scheme, the second fixing plate is fixedly connected with the second solution chamber, so that the firmness of connection between the fixing frame and the second solution chamber is improved; when filtering the piece and being located the second solution room, connecting screw and the indoor filtration piece looks butt of second solution make the indoor second that forms the confession solution and deposit of second solution hold the chamber, make things convenient for the staff to measure.
In conclusion, the beneficial technical effects of the invention are as follows:
1. when the dispersion coefficient is measured, firstly, a solution with a certain concentration is placed in an input container, the solution in the input container can enter a test assembly, redundant solution in the test assembly is discharged from a drain pipe, the concentration of the solution in the test assembly is measured at intervals, the dispersion coefficient of a test sample is calculated through calculation, and the measuring instrument performs indoor tests, so that the test sample has small influence of environmental factors during testing, small interference factors and convenience for measurement of workers;
2. the filter member prevents the test sample from flowing out of the fixing tube;
3. the fixing frame improves the sealing performance between the fixing tube and the first solution chamber and the second solution chamber;
4. the tip of connecting screw and the indoor filter piece looks butt of the indoor filter piece of first solution or the indoor filter piece of second solution make filter piece in first solution room or the indoor stability of second solution, cover the opening at fixed pipe both ends better, reduce the loss of the interior sample of examining of fixed pipe.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a test apparatus according to a first embodiment;
FIG. 2 is a schematic diagram illustrating an overall structure of a test assembly according to one embodiment;
FIG. 3 is a sectional view of the first solution chamber, the fixing tube and the second solution chamber in the first embodiment;
FIG. 4 is an exploded view of a test assembly according to one embodiment;
FIG. 5 is an exploded view of the first solution chamber, filter element and mounting tube according to one embodiment;
FIG. 6 is a schematic structural view of a fixing tube according to a second embodiment;
FIG. 7 is another perspective view of the fixing tube according to the second embodiment;
FIG. 8 is a schematic structural view of a second solution chamber according to the second embodiment.
In the figure, 1, a wall body; 11. a bearing plate; 12. hooking; 2. inputting the container; 21. an input tube; 3. testing the component; 31. a first solution chamber; 311. embedding a groove; 312. a step; 313. a first accommodating chamber; 32. a fixed tube; 321. a limiting groove; 322. a first separator; 3221. a first separator; 323. positioning blocks; 324. a material storage cavity; 33. a second solution chamber; 331. a second accommodating chamber; 332. a second separator; 3321. a second separator; 333. positioning a groove; 334. a test chamber; 34. a filter member; 35. a first exhaust pipe; 36. a second exhaust pipe; 37. a fixed mount; 371. a first fixing plate; 372. a second fixing plate; 373. fixing the bolt; 374. fixing a nut; 375. connecting holes; 376. a connecting screw; 4. a drain pipe; 5. an L-shaped connecting pipe; 6. a cuff.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, an indoor diffusivity measuring instrument includes an input container 2, a test module 3, and a drain 4 connected to the test module 3. This apparatus for determining is indoor use, and test component 3 places by wall body 1, and 1 surfaces of wall body are provided with the scale that numerical value from supreme range down, and 1 surfaces of wall body are connected with a plurality of couple 12 through glue, and each couple 12 corresponds a scale.
The bearing plate 11 is arranged on the wall body 1 in a protruding mode, the bearing plate 11 is fixedly connected with the wall body 1 through screws, and the input container 2 is placed on the bearing plate 11, so that the horizontal height of the input container 2 is higher than that of the test assembly 3 and the drain pipe 4.
The input container 2 is barrel-shaped, the top of the input container 2 is provided with an opening, people can pour solution into the input container 2 from the opening, the outer side wall of the input container 2 is provided with an outlet, the outlet is arranged close to the bottom of the input container 2, and the outlet is provided with a valve for controlling the opening and closing of the outlet. The outlet is connected with an input pipe 21, the input pipe 21 is a hose, and one end of the input pipe 21 far away from the input container 2 is connected with the testing component 3.
Referring to fig. 2 and 3, the test assembly 3 includes a first solution chamber 31 having a first receiving cavity 313, a fixing tube 32, and a second solution chamber 33 having a second receiving cavity 331, the first solution chamber 31, the fixing tube 32, and the second solution chamber 33 are sequentially connected, the first solution chamber 31 and the second solution chamber 33 are both cylinders, and the first solution chamber 31 and the second solution chamber 33 are made of nylon columns by lathe machining.
The fixing tube 32 has a tubular shape with both ends open, the fixing tube 32 is made of metal, and the fixing tube 32 is made of stainless steel in this embodiment. The outer edge of the orifice of the fixed tube 32 is provided with a chamfer, which facilitates the connection of the fixed tube 32 with the first solution chamber 31 and the second solution chamber 33.
There is the test sample in the fixed pipe 32, the test sample is the earth of test area territory, when fixed pipe 32 takes a sample, wherein the one end of fixed pipe 32 aims at the soil of test area territory, and in will fixing pipe 32 embedding soil, make the earth in the soil be full of fixed pipe 32, then fall the earth shovel around fixed pipe 32 and expose fixed pipe 32, take out fixed pipe 32, the earth of test area territory is the tubulose and fills in fixed pipe 32, clear up the unnecessary earth in fixed pipe 32 lateral wall and both ends, utilize the baffle closing cap in the both ends of fixed pipe 32, avoid earth to fall out in fixed pipe 32, just can obtain the fixed pipe 32 that has the test sample from this.
Referring to fig. 4 and 5, an end of the first solution chamber 31 close to the fixed tube 32 and an end of the second solution chamber 33 close to the fixed tube 32 are both provided with an embedded groove 311, the embedded groove 311 of the first solution chamber 31 is communicated with the first accommodating cavity 313, the embedded groove 311 of the second solution chamber 33 is communicated with the second accommodating cavity 331, the second embedded groove 311 is a cylinder, and two ends of the fixed tube 32 are respectively embedded into the embedded groove 311 of the first solution chamber 31 and the embedded groove 311 of the second solution chamber 33.
The first solution chamber 31 and the second solution chamber 33 are both provided with annular steps 312, the steps 312 are opened on the groove walls of the embedding groove 311, and the steps 312 are coaxial with the embedding groove 311.
When both ends of the fixing tube 32 are fitted into the fitting groove 311 of the first solution chamber 31 and the fitting groove 311 of the second solution chamber 33, respectively, the outer wall of the fixing tube 32 is fitted to the inner wall of the fitting groove 311, and both ends of the fixing tube 32 are in contact with the step 312 surface of the first solution chamber 31 and the step 312 surface of the second solution chamber 33, respectively.
One end of the first solution chamber 31 facing away from the fixing tube 32 is connected to one end of the input tube 21 facing away from the input container 2 via an L-shaped connection tube 5, and the input tube 21 is communicated with the first accommodation chamber 313.
The L-shaped connection pipe 5 is made of metal, one end of the L-shaped connection pipe 5 is connected to the first solution chamber 31 by a screw, and the L-shaped connection pipe 5 is communicated with the first accommodating cavity 313 of the first solution chamber 31. One end of the input pipe 21, which is far away from the input container 2, is sleeved on the L-shaped connecting pipe 5, the strap 6 is installed on the input pipe 21, the strap 6 acts on the overlapped part of the input pipe 21 and the L-shaped connecting pipe 5, and the input pipe 21 is firmly connected on the L-shaped connecting pipe 5 through the action of the strap 6.
The drain pipe 4 is also a hose, one end of the drain pipe 4 is connected with one end of the second solution chamber 33, which is far away from the fixed pipe 32, the other end of the drain pipe 4 is connected with the hook 12 and is communicated with the outside, and the end part of the drain pipe 4 communicated with the outside is higher than the test component 3.
The test module 3 further comprises two filter elements 34, in this embodiment the filter elements 34 are permeable stones. Filter 34 and be the cylinder, filter 34 and the coaxial setting of fixed pipe 32, two filter 34 are located first solution chamber 31 and second solution chamber 33 respectively, and locate the both ends of fixed pipe 32 respectively, filter 34 and cover the mouth of pipe of fixed pipe 32. When the filter member 34 is used, the filter member 34 of the first solution chamber 31 is in contact with the wall of the first accommodating chamber 313 of the first solution chamber 31, and the filter member 34 of the second solution chamber 33 is in contact with the wall of the second accommodating chamber 331 of the second solution chamber 33.
The test assembly 3 further comprises a first exhaust pipe 35 and a second exhaust pipe 36, and the first exhaust pipe 35 and the second exhaust pipe 36 are hoses. One end of the first exhaust pipe 35 is communicated with one end of the first solution chamber 31 far away from the fixed pipe 32, the other end is communicated with the outside, the first exhaust pipe 35 is connected with the first solution chamber 31 through the L-shaped connecting pipe 5, and an opening of the first exhaust pipe 35 communicated with the outside is not lower than the height of the input container 2.
One end of the second exhaust pipe 36 is communicated with one end of the second solution chamber 33 far away from the fixed pipe 32, the other end of the second exhaust pipe is fixed on the surface of the wall body 1 through the hook 12 and is communicated with the outside, the second exhaust pipe 36 is connected with the second solution chamber 33 through the L-shaped connecting pipe 5, and an opening in the second exhaust pipe 36 communicated with the outside is not lower than the height of the second solution chamber 33 and not higher than the height of the input container 2.
The testing assembly 3 further includes a fixing frame 37, the fixing frame 37 includes a first fixing plate 371, a second fixing plate 372 and at least two fixing bolts 373, in this embodiment, two fixing bolts 373 are provided. The first fixing plate 371 and the second fixing plate 372 are made of metal.
The first fixing plate 371 is fixedly connected to one end of the first solution chamber 31, which is far away from the fixing tube 32, by a connection screw 376, the input tube 21 and the first exhaust tube 35 are respectively located at two sides of the first fixing plate 371, the connection screw 376 is located at the middle position of the first solution chamber 31, the connection screw 376 is coaxially arranged with the first solution chamber 31, and the connection screw 376 is in threaded connection with the first solution chamber 31. The connection screw 376 penetrates the wall of the first solution chamber 31 and enters the first receiving chamber 313 of the first solution chamber 31, and the end of the connection screw 376 abuts against the end face of the filter member 34 in the first solution chamber 31.
The length of the first fixing plate 371 is greater than the diameter of the first solution chamber 31 such that both ends of the first fixing plate 371 protrude from the first solution chamber 31. Both ends of the first fixing plate 371 are respectively opened with a connection hole 375, the axial direction of the connection hole 375 is parallel to the axial direction of the first solution chamber 31 and the connection hole 375 is not blocked by the first solution chamber 31.
The second fixing plate 372 is fixedly connected to one end of the second solution chamber 33, which is far from the fixing tube 32, by a connecting screw 376, the drain tube 4 and the second exhaust tube 36 are respectively located at two sides of the second fixing plate 372, the connecting screw 376 is located at the middle position of the second solution chamber 33, the connecting screw 376 is coaxially disposed with the second solution chamber 33, and the connecting screw 376 is threadedly connected to the second solution chamber 33. The connection screw 376 passes through the second solution chamber 33 and enters the second receiving cavity 331 of the second solution chamber 33, while the end of the connection screw 376 abuts against the end surface of the filter member 34 in the second solution chamber 33.
The second fixing plate 372 has the same shape as the first fixing plate 371 such that both ends of the second fixing plate 372 also protrude from the second solution chamber 33. Two ends of the second fixing plate 372 are respectively provided with a connecting hole 375, and the connecting hole 375 of the second fixing plate 372 corresponds to the connecting hole 375 of the first fixing plate 371.
The two fixing bolts 373 correspond to the two connection holes 375, respectively. The fixing bolt 373 passes through the connecting hole 375 of the first fixing plate 371 and the connecting hole 375 of the second fixing plate 372 in sequence, and is connected to the fixing nut 374.
The working principle of the embodiment is as follows: when the fixing tube 32 is connected to the first solution chamber 31 and the second solution chamber 33, the filter member 34 is first placed in the insertion groove 311 of the first solution chamber 31, the end surface of the filter member 34 abuts against the connection screw 376, one end of the fixing tube 32 is then inserted into the insertion groove 311 of the first solution chamber 31, the end surface of the fixing tube 32 abuts against the step 312 of the first solution chamber 31, the other filter member 34 is then placed in the second solution chamber 33, the end surface of the filter member 34 abuts against the connection screw 376, the end of the fixing tube 32 away from the first solution chamber 31 is then inserted into the insertion groove 311 of the second solution chamber 33, the end surface of the fixing tube 32 abuts against the step 312 of the second solution chamber 33, and finally the fixing bolt 373 is connected to the first fixing plate 371 and the second fixing plate 372.
When the device is used, firstly, a solution with a certain concentration is poured into the input container 2, the second solution chamber 33 is filled with clear water, the solution enters the first accommodating cavity 313 of the first solution chamber 31 along the input pipe 21, because the height of the input container 2 is higher than that of the test component 3, the solution in the first solution chamber 31 enters the fixed pipe 32 through the filter element 34, passes through the test sample and then enters the second solution chamber 33 through the filter element 34, the solution is mixed with the clear water in the second solution chamber 33, and as the solution continuously enters the second solution chamber 33, the redundant liquid in the second solution chamber 33 is discharged from the water discharge pipe 4. The worker periodically measures the concentration of the solution in the second solution chamber 33 to calculate the diffusion coefficient of the test sample.
Example two:
the present embodiment differs from the first embodiment only in the difference between the fixed pipe 32 and the second solution chamber 33.
Referring to fig. 6 and 7, eight limiting grooves 321 are formed in the inner side wall of the fixing tube 32 at the same circumferential interval, and each of the positioning grooves 333 is communicated with two end surfaces of the fixing tube 32.
The fixed pipe 32 is provided therein with a first partition 322, the first partition 322 includes four integrally disposed first partition plates 3221, the four first partition plates 3221 are connected to each other, two adjacent first partition plates 3221 are perpendicular to each other, and the cross section of the first partition 322 is cross-shaped. The first partition 322 is inserted into the fixed tube 32, the axial center of the first partition 322 is coaxial with the axial center of the fixed tube 32, and each first partition 3221 is embedded into the limiting groove 321 of the fixed tube 32, so as to divide the cavity in the fixed tube 32 into four material storage chambers 324, the cross sections of the material storage chambers 324 are all in the shape of a sector with the same area, two adjacent material storage chambers 324 are not communicated, two ends of each material storage chamber 324 are respectively communicated with the first accommodating chamber 313 and the second accommodating chamber 331, and different test samples are arranged in each material storage chamber 324, so that the measuring instrument can test a plurality of test samples at one time.
The permeable stones that are located second solution chamber 33 are provided with four, and four permeable stones are fan-shaped with the same area, and each permeable stone is located a storage cavity 324, and the lateral wall of permeable stone and the chamber wall looks butt of storage cavity 324 avoid solution and test sample to flow out from the clearance between the chamber wall of permeable stone and storage cavity 324.
Referring to fig. 8, a second partition 332 is disposed in the second solution chamber 33, the second partition 332 includes four second partition plates 3321 integrally disposed, the shape and structure of the second partition 332 are the same as or similar to those of the first partition 322, and therefore, the description is omitted here, the second partition 332 divides the second solution chamber 33 into four test chambers 334, the four test chambers 334 are in one-to-one correspondence with the four storage chambers 324, so that the solution flowing through each storage chamber 324 can flow into the corresponding test chamber 334. The second partition 332 is coaxial with the second solution chamber 33, the second partition 3321 is connected to the wall of the second solution chamber 33, the second partition 332 is connected to the bottom of the second solution chamber 33, the side of the second partition 332 away from the bottom of the second solution chamber 33 is flush with the bottom of the step 312, and in this embodiment, the second partition 332 is preferably provided integrally with the second solution chamber 33.
The outer side wall of the fixed pipe 32 is convexly provided with a positioning block 323, the groove wall of the embedding groove 311 of the second solution chamber 33 is provided with a positioning groove 333 into which the positioning block 323 is embedded, when the fixed pipe 32 is connected with the second solution chamber 33, the positioning block 323 of the fixed pipe 32 is embedded into the positioning groove 333 of the second solution chamber 33, at this time, the first partition 3221 of the first partition 322 corresponds to the second partition 3321 of the second partition 332 one by one, so that the material storage cavity 324 and the test cavity 334 are formed.
A water outlet pipe 4 and a second air outlet pipe 36 are connected to each test chamber 334, a connecting screw 376 penetrates through each test chamber 334, and the end of the connecting screw 376 entering the test chamber 334 is abutted to the permeable stone.
If the measuring area is a circular land with the diameter of 100m, selecting the center of the measuring area, taking a test sample once at the center, drawing a sampling circle by taking the center of the measuring area as the center of the circle, taking three test samples at the same interval on the circle line of the sampling circle, taking four samples as samples at different places in the measuring area, respectively putting the four samples into four storage cavities 324 in a fixed pipe 32 for testing together, measuring four dispersion coefficients, and averaging the four dispersion coefficients to obtain the dispersion coefficient of the measuring area.
The working principle of the embodiment is as follows: when the instrument is used, firstly, a solution with a certain concentration is poured into the input container 2, each test cavity 334 of the second solution chamber 33 is filled with clear water, the solution enters the first containing cavity 313 of the first solution chamber 31 along the input pipe 21 and then enters the four storage cavities 324, the solution in each storage cavity 324 flows into the corresponding test cavity 334, the solution is mixed with the clear water in the test cavity 334, and redundant liquid in the test cavity 334 flows out from the water discharge pipe 4. The concentration of the solution in the test chamber 334 is measured by the worker at regular intervals, so as to calculate the dispersion coefficient of the test sample in the storage chamber 324.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The indoor measuring instrument for the diffusion coefficient is characterized by comprising an input container (2), a testing component (3) and a drain pipe (4), wherein the testing component (3) is used for containing a testing sample, the two ends of the testing component are open, one end of the testing component (3) is communicated with the input container (2), the other end of the testing component is communicated with the drain pipe (4), the horizontal height of the input container (2) is higher than that of the testing component (3) and the drain pipe (4), and one end, deviating from the testing component (3), of the drain pipe (4) is communicated with the outside and is higher than that of the testing component (3).
2. The indoor diffusion coefficient measuring instrument as claimed in claim 1, wherein the testing component (3) comprises a first solution chamber (31) having a first containing cavity (313), a fixed tube (32) containing a test sample, and a second solution chamber (33) having a second containing cavity (331), the fixed tube (32) is open at two ends, the two ends of the fixed tube (32) are respectively communicated with the first containing cavity (313) and the second containing cavity (331), the input container (2) is communicated with the first containing cavity (313) of the first solution chamber (31), and the drain pipe (4) is communicated with the second containing cavity (331) of the second solution chamber (33).
3. The indoor diffusivity measuring instrument according to claim 2, wherein an embedded groove (311) is formed in one end of the first solution chamber (31) close to the fixed tube (32) and one end of the second solution chamber (33) close to the fixed tube (32), two ends of the fixed tube (32) are embedded into the embedded groove (311) of the first solution chamber (31) and the embedded groove (311) of the second solution chamber (33) respectively, and the inner side wall of the embedded groove (311) is attached to the outer side wall of the fixed tube (32).
4. The indoor diffusivity measuring instrument as claimed in claim 3, wherein the first solution chamber (31) and the second solution chamber (33) are both provided with steps (312), the steps (312) are provided on the wall of the embedded groove (311), and the end surface of the fixed tube (32) is abutted against the steps (312).
5. An indoor diffusivity measuring instrument according to claim 4, wherein the test unit (3) further comprises two filter members (34), the two filter members (34) being respectively disposed at both ends of the fixed tube (32), the filter members (34) covering the opening of the fixed tube (32).
6. An indoor diffusivity measuring instrument according to claim 5, wherein the test unit (3) further comprises a first exhaust pipe (35), one end of the first exhaust pipe (35) is connected to the first solution chamber (31) and the other end is connected to the outside, and an opening of the first exhaust pipe (35) connected to the outside is not lower than the height of the input container (2).
7. An indoor coefficient of dispersion measuring instrument according to claim 6, wherein the test unit (3) further comprises a second exhaust pipe (36), one end of the second exhaust pipe (36) is communicated with the second solution chamber (33), the other end is communicated with the outside, and an opening of the second exhaust pipe (36) communicated with the outside is not lower than the height of the second solution chamber (33) and not higher than the height of the input container (2).
8. The indoor diffusivity measurement instrument as claimed in claim 7, wherein the test assembly (3) further comprises a fixing frame (37), the fixing frame (37) comprises a first fixing plate (371), a second fixing plate (372) and at least two fixing bolts (373), the first fixing plate (371) is connected with one end of the first solution chamber (31) far away from the fixing tube (32), the second fixing plate (372) is connected with one end of the second solution chamber (33) far away from the fixing tube (32), the first fixing plate (371) and the second fixing plate (372) are respectively provided with at least two connecting holes (375), the connecting holes (375) of the first fixing plate (371) correspond to the connecting holes (375) of the second fixing plate (372), and the fixing bolts (373) pass through the connecting holes (375) of the first fixing plate (371) and the connecting holes (375) of the second fixing plate (372) and then are connected with the fixing holes (375) of the first fixing plate (371) and the fixing plate (372) A nut (374).
9. An indoor diffusivity measuring instrument according to claim 8, wherein the first fixing plate (371) is fixedly connected with the first solution chamber (31) through a connecting screw (376), the connecting screw (376) is in threaded connection with the first solution chamber (31), and the end of the connecting screw (376) enters the first containing cavity (313) and abuts against the filter member (34) in the first solution chamber (31).
10. An indoor diffusivity measuring instrument according to claim 9, wherein the second fixing plate (372) is fixedly connected with the second solution chamber (33) by a connecting screw (376), the connecting screw (376) is in threaded connection with the second solution chamber (33), and the end of the connecting screw (376) enters the second containing cavity (331) and abuts against the filter member (34) in the second solution chamber (33).
CN202010477383.7A 2020-05-29 2020-05-29 Indoor measuring instrument for dispersion coefficient Pending CN111595732A (en)

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Application Number Priority Date Filing Date Title
CN202010477383.7A CN111595732A (en) 2020-05-29 2020-05-29 Indoor measuring instrument for dispersion coefficient

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Application Number Priority Date Filing Date Title
CN202010477383.7A CN111595732A (en) 2020-05-29 2020-05-29 Indoor measuring instrument for dispersion coefficient

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CN202010477383.7A Pending CN111595732A (en) 2020-05-29 2020-05-29 Indoor measuring instrument for dispersion coefficient

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112816657A (en) * 2020-12-31 2021-05-18 浙江省工程勘察设计院集团有限公司 Solid waste and pond sediment mechanical test equipment
CN113358529A (en) * 2021-06-11 2021-09-07 西南石油大学 Device and method for calculating dispersion coefficient of sandstone reservoir

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112816657A (en) * 2020-12-31 2021-05-18 浙江省工程勘察设计院集团有限公司 Solid waste and pond sediment mechanical test equipment
CN112816657B (en) * 2020-12-31 2023-05-09 浙江省工程勘察设计院集团有限公司 Solid waste and pond sediment mechanical test equipment
CN113358529A (en) * 2021-06-11 2021-09-07 西南石油大学 Device and method for calculating dispersion coefficient of sandstone reservoir
CN113358529B (en) * 2021-06-11 2022-04-05 西南石油大学 Device for calculating dispersion coefficient of sandstone reservoir

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