CN209707316U - Seepage flow plate with diversion function - Google Patents
Seepage flow plate with diversion function Download PDFInfo
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- CN209707316U CN209707316U CN201920347305.8U CN201920347305U CN209707316U CN 209707316 U CN209707316 U CN 209707316U CN 201920347305 U CN201920347305 U CN 201920347305U CN 209707316 U CN209707316 U CN 209707316U
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- seepage flow
- plate body
- diversion trench
- diversion
- circular ring
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Abstract
Seepage flow plate with diversion function, including horizontally disposed whole plate body in disk form, one side surface of plate body offers several circular ring shape diversion trenches, all circular ring shape diversion trenches have same center line with plate body, several transparent seepage flow holes are offered in every circular ring shape water conservancy diversion trench bottom on plate body, 2-4 item radial direction diversion trench is offered between adjacent cylindrical diversion trench, all radial diversion trenches are evenly arranged along plate body circumferencial direction, and every radial diversion trench is opened up along plate body radial direction.Plate body center offers transparent centre bore.The utility model flows uniformly across coal and rock test specimen via circular ring shape diversion trench and radial diversion trench in seepage tests process medium fluid from seepage flow hole, meets the requirement of seepage tests, has a wide range of application;It is high to the cleaning efficiency of residue after experiment, the time is saved, can prevent eyelet from blocking, is corroded, the service life of seepage flow plate is extended.
Description
Technical field
The utility model belongs to ventilative (water) the property coefficient the field of test technology of coal and rock, and in particular to one kind has water conservancy diversion function
The seepage flow plate of energy.
Background technique
Measurement coal and rock is breathed freely (water) property coefficient under axis pressure and confining pressure loading environment, is adopted first from needing to measure in coal seam
Coal petrography sample is taken, the cylindric of certain size is made in coal sample with grinding wheel or special drilling pipe in laboratory, both ends polish, and are formed
It is about 80-100 mm, diameter is that the cylinder of 40-60 mm is then placed in the similar fixture of diameter therewith;Then coal and rock is tried
Sample carries out axis pressure and confining pressure load;It is finally passed through gas (or water flow) from the side of coal and rock sample, it is ventilative to carry out coal and rock
(water) property coefficient testing experiment.Under axis pressure and confining pressure loading environment, when carrying out water drive gas and water drive oil two-phase displacement experiment,
Use the mistake enabled flow across inside coal and rock sample from one end Jiang Shui of coal and rock sample, the oil fluids injection such as gentle
Journey.
During previous test, coal and rock test specimen upper and lower ends can each placement columned seepage flow plate of one entire body,
A few circle seepage flow eyelets are along the circumferential direction dispersed on seepage flow plate.Conventional seepage flow plate has following disadvantage: (1) hole intraocularly passes through
It is commonly present cinder or rock particles blocking, needs to use fine needle or thin wire through-hole one by one, cleaning blocking eyelet is very cumbersome, time-consuming
Effort;(2) when eyelet blocking is serious, if if handling not in time the eyelet of blocking, will result in the rust of eyelet
Erosion even blocks, and fluid can not intraocularly be passed through from hole, cannot be reused, directly be scrapped;(3) due to being injected by water, oil, gas
To during coal and rock test specimen, these fluids are with certain pressure.Fluid with pressure can be from coal and rock test specimen
One end flow to the other end along the gap between coal and rock outer circle and fixture (sleeve) inner wall so that measurement result and reality
There are biggish deviations for measurement result.
Utility model content
The utility model provides a kind of structure and is simple and convenient to operate, effectively to solve shortcoming in the prior art
It protects seepage flow plate not weather and is used multiple times, improves the seepage flow plate with diversion function of test result accuracy.
In order to solve the above technical problems, the utility model adopts the following technical solution: the seepage flow plate with diversion function, packet
Horizontally disposed whole plate body in disk form is included, one side surface of plate body offers several circular ring shape diversion trenches, all circular ring shapes
Diversion trench has same center line with plate body, offers several in every circular ring shape water conservancy diversion trench bottom on plate body and leads to up and down
Saturating seepage flow hole offers 2-4 item radial direction diversion trench between adjacent cylindrical diversion trench, and all radial diversion trenches are along plate body circle
Circumferential direction is evenly arranged, and every radial diversion trench is opened up along plate body radial direction.
Plate body center offers transparent centre bore.
The diameter of plate body is 35-50 mm, and the width of circular ring shape diversion trench is 2-3mm, and the width of radial diversion trench is 3-5
Mm, the diameter in seepage flow hole are 0.5-1.5 mm, and the diameter of centre bore is 3-5 mm.
By adopting the above technical scheme, the test of the seepage flow plate with diversion function and the method for cleaning after test, including with
Lower step:
(1) one block of seepage flow plate is put into fixture, the side with circular ring shape diversion trench and radial diversion trench is face-down;
(2) cylindrical coal and rock test specimen is placed into fixture, is placed in the lower end surface and step (1) of coal and rock test specimen
Seepage flow plate upper surface contact;
(3) another block of seepage flow plate to be put into fixture, the side with circular ring shape diversion trench and radial diversion trench is face-up,
The outer circle of the upper end face contact of the block seepage flow plate lower surface and coal and rock test specimen, coal and rock test specimen and two blocks of seepage flow plates is and fixture
Inner wall clearance fit;
(4) axis pressure is carried out to coal and rock test specimen and confining pressure loads, then infused from the seepage flow plate of coal and rock test piece upper part
Water, gas injection or the seepage tests of oiling, water, the circular ring shape diversion trench of gas or the oily seepage flow plate through top and radial diversion trench enter
To seepage flow hole, after passing through coal and rock test specimen, flowed out from the seepage flow hole of the seepage flow plate of lower part, and converge to the seepage flow plate of lower part
Outflow in circular ring shape diversion trench and radial diversion trench;
(5) after the test, removal axis pressure and confining pressure, successively take out seepage flow plate, the coal and rock test specimen on top out of fixture
With the seepage flow plate of lower part;
(6) it is cleared up using seepage flow hole of the dedicated cleaning tool to two blocks of seepage flow plates;
(7) seepage flow plate and dedicated cleaning tool are cleaned with water respectively, is seeped after then wiping clean, drying for next time
Stream test.
Dedicated cleaning tool in step (6) includes mounting base, and mounting base downside is fixedly installed several entirety and is in
Circular ring shape cleaning assembly, the item number of circular ring shape cleaning assembly and the item number of circular ring shape diversion trench it is equal and correspond, every circle
Annular cleaning assembly includes several cylinders, the number and spacing of every circular ring shape cleaning assembly middle column body and corresponding annulus
The number and spacing in shape water conservancy diversion trench bottom seepage flow hole are equal, and the diameter of cylinder is less than seepage flow bore dia 0.1mm, and mounting base is in annulus
It is fixedly installed newel at the center of shape cleaning assembly, the diameter of newel is less than center-hole diameter 0.1mm, newel and every
The lower end of a cylinder is pointed structures, and the length of cylinder and newel is greater than the depth in seepage flow hole and is less than the thickness of plate body.
The detailed process of step (6) are as follows: be first horizontally arranged seepage flow plate, the side of circular ring shape diversion trench and radial diversion trench
Down, hand-held mounting base makes circular ring shape cleaning assembly middle column body and newel be respectively aligned to the seepage flow hole and center of seepage flow plate
Hole taps mounting base upper surfaces with hammer or other hard objects so that cylinder and newel be each passed through seepage flow plate seepage flow hole and
Centre bore stops behind mounting base downside and face contact on the upside of seepage flow plate, and the pointed structures for then tapping newel again make
Cylinder and newel exit seepage flow hole and centre bore, then tapping mounting base makes cylinder and newel pass through seepage flow hole and centre bore,
So operation is repeated several times, until in the seepage flow hole of seepage flow plate and centre bore without coal petrography powder.
The utility model has following technical effect that
1, seepage flow plate is able to achieve the fluid during seepage tests via circular ring shape diversion trench and radial diversion trench from seepage flow
Coal and rock test specimen is flowed uniformly across in hole, meets the requirement of seepage tests;
2, dedicated cleaning tool can disposably on seepage flow plate whole seepage flow holes and centre bore clear up, cleaning effect
Rate is high, saves the time, can prevent eyelet from blocking, and corrodes, and extends the service life of seepage flow plate;
3, seepage flow plate and its dedicated cleaning tool are not only able to can be used for aqueous vapor for simple air-flow or liquid flow
The test of two-phase, water-oil phase and oil gas two-phase displacement, has a wide range of application;
4, the plate body of the seepage flow plate in the utility model and mounting base can be square structure form, be infiltration of various shapes
Flowing plate and its cleaning tool are offered reference.
5, the specific size parameter of the diameter of plate body, circular ring shape diversion trench, radial diversion trench, seepage flow hole and centre bore combines
Coal and rock test specimen is designed, to ensure the precision of test data.
6, the centre bore on seepage flow plate also has the function of positioning hole packer in other tests.
Detailed description of the invention
Fig. 1 is the schematic perspective view of seepage flow plate in the utility model;
Fig. 2 is the floor map of seepage flow plate one side;
Fig. 3 is the floor map of seepage flow plate another side;
Fig. 4 is the schematic perspective view of dedicated cleaning tool.
Specific embodiment
As shown in Figure 1-3, the seepage flow plate with diversion function of the utility model, including it is horizontally disposed whole in disk form
Plate body 1,1 one side surface of plate body offers several circular ring shape diversion trenches 2, and all circular ring shape diversion trenches 2 have with plate body 1
Same center line offers several transparent seepage flow holes 3 every 2 bottom of circular ring shape diversion trench on plate body 1, adjacent
2-4 item radial direction diversion trench 4 is offered between circular ring shape diversion trench 2, all radial diversion trenches 4 are uniform along 1 circumferencial direction of plate body
Arrangement, every radial diversion trench 4 are opened up along 1 radial direction of plate body.
1 center of plate body offers transparent centre bore 5.
The diameter of plate body 1 is 35-50 mm, and the width of circular ring shape diversion trench 2 is 2-3mm, and the width of radial diversion trench 4 is
3-5mm, the diameter in seepage flow hole 3 are 0.5-1.5 mm, and the diameter of centre bore 5 is 3-5mm.
The test of seepage flow plate with diversion function and the method for cleaning after test, comprising the following steps:
(1) one block of seepage flow plate is put into fixture, the side with circular ring shape diversion trench 2 and radial diversion trench 4 is face-down;
(2) cylindrical coal and rock test specimen is placed into fixture, is placed in the lower end surface and step (1) of coal and rock test specimen
Seepage flow plate upper surface contact;
(3) another block of seepage flow plate is put into fixture, the one side court with circular ring shape diversion trench 2 and radial diversion trench 4
On, the upper end face contact of the block seepage flow plate lower surface and coal and rock test specimen, the outer circle of coal and rock test specimen and two blocks of seepage flow plates with
The inner wall clearance fit of fixture;
(4) axis pressure is carried out to coal and rock test specimen and confining pressure loads, then infused from the seepage flow plate of coal and rock test piece upper part
Water, gas injection or the seepage tests of oiling, water, the circular ring shape diversion trench 2 of gas or the oily seepage flow plate through top and radial diversion trench 4 into
Enter to seepage flow hole 3, after passing through coal and rock test specimen, is flowed out from the seepage flow hole 3 of the seepage flow plate of lower part, and converge to the seepage flow of lower part
Outflow in the circular ring shape diversion trench 2 of plate and radial diversion trench 4;
(5) after the test, removal axis pressure and confining pressure, successively take out seepage flow plate, the coal and rock test specimen on top out of fixture
With the seepage flow plate of lower part;
(6) it is cleared up using seepage flow hole 3 of the dedicated cleaning tool to two blocks of seepage flow plates;
(7) seepage flow plate and dedicated cleaning tool are cleaned with water respectively, is seeped after then wiping clean, drying for next time
Stream test.
As shown in figure 4, the dedicated cleaning tool in step (6) includes mounting base 6,6 downside of mounting base is fixedly installed
Several entirety are in circular ring shape cleaning assembly, and the item number of circular ring shape cleaning assembly and the item number of circular ring shape diversion trench 2 are equal and one
One is corresponding, and every circular ring shape cleaning assembly includes several cylinders 7, the number of every circular ring shape cleaning assembly middle column body 7 and
Spacing is equal with the number in corresponding 2 bottom seepage flow hole 3 of circular ring shape diversion trench and spacing, and it is straight that the diameter of cylinder 7 is less than seepage flow hole 3
Diameter 01.mm, mounting base 6 are fixedly installed newel 8 at the center of circular ring shape cleaning assembly, during the diameter of newel 8 is less than
The lower end of 5 diameter 01.mm of heart hole, newel 8 and each cylinder 7 is pointed structures, and the length of cylinder 7 and newel 8 is greater than
The depth in seepage flow hole 3 and the thickness for being less than plate body 1.
The detailed process of step (6) are as follows: be first horizontally arranged seepage flow plate, the one of circular ring shape diversion trench 2 and radial diversion trench 4
Side downward, holds 3 He of seepage flow hole that mounting base 6 makes circular ring shape cleaning assembly middle column body 7 and newel 8 be respectively aligned to seepage flow plate
Centre bore 5 taps 6 upper surface of mounting base with hammer or other hard objects, so that cylinder 7 and newel 8 are each passed through seepage flow plate
Seepage flow hole 3 and centre bore 5 stop behind 6 downside of mounting base and face contact on the upside of seepage flow plate, then tap newel 8 again
Pointed structures so that cylinder 7 and newel 8 is exited seepage flow hole 3 and centre bore 5, then tap mounting base 6 and make cylinder 7 and newel 8
Across seepage flow hole 3 and centre bore 5, so operation is repeated several times, until without coal petrography powder in the seepage flow hole 3 of seepage flow plate and centre bore 5
Until end.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (3)
1. the seepage flow plate with diversion function, it is characterised in that: including horizontally disposed whole plate body in disk form, plate body side
Surface offers several circular ring shape diversion trenches, and all circular ring shape diversion trenches have a same center line with plate body, on plate body
Every circular ring shape water conservancy diversion trench bottom offers several transparent seepage flow holes, offers between adjacent cylindrical diversion trench
2-4 item radial direction diversion trench, all radial diversion trenches are evenly arranged along plate body circumferencial direction, and every radial diversion trench is along plate body
Radial direction opens up.
2. the seepage flow plate according to claim 1 with diversion function, it is characterised in that: plate body center offers logical up and down
Saturating centre bore.
3. the seepage flow plate according to claim 2 with diversion function, it is characterised in that: the diameter of plate body is 35-50
Mm, the width of circular ring shape diversion trench are 2-3mm, and the width of radial diversion trench is 3-5 mm, and the diameter in seepage flow hole is 0.5-1.5
Mm, the diameter of centre bore are 3-5 mm.
Priority Applications (1)
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CN201920347305.8U CN209707316U (en) | 2019-03-19 | 2019-03-19 | Seepage flow plate with diversion function |
Applications Claiming Priority (1)
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CN201920347305.8U CN209707316U (en) | 2019-03-19 | 2019-03-19 | Seepage flow plate with diversion function |
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CN209707316U true CN209707316U (en) | 2019-11-29 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109916798A (en) * | 2019-03-19 | 2019-06-21 | 吕梁学院 | Seepage flow plate and its test method for cleaning with diversion function |
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2019
- 2019-03-19 CN CN201920347305.8U patent/CN209707316U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109916798A (en) * | 2019-03-19 | 2019-06-21 | 吕梁学院 | Seepage flow plate and its test method for cleaning with diversion function |
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