CN109269842A - For obtaining the sampler and its working method of different layers position consolidated fill slurry - Google Patents
For obtaining the sampler and its working method of different layers position consolidated fill slurry Download PDFInfo
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- CN109269842A CN109269842A CN201811316334.4A CN201811316334A CN109269842A CN 109269842 A CN109269842 A CN 109269842A CN 201811316334 A CN201811316334 A CN 201811316334A CN 109269842 A CN109269842 A CN 109269842A
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- 239000002002 slurry Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012546 transfer Methods 0.000 claims abstract description 59
- 238000007664 blowing Methods 0.000 claims abstract description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 238000011160 research Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N2001/2007—Flow conveyors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical 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 discloses a kind of for obtaining the sampler and its working method of different layers position consolidated fill slurry, including transfer device, feeding device and pedestal three parts, transfer device includes transfer platform, push plate and square container, between two side baffle of transfer platform, square container is located at transfer platform bottom for push plate；Feeding device is made of blowing cylinder, piston, sealing ring and retainer plate, and piston is equipped with inside blowing cylinder, and piston exterior is equipped with sealing ring, and blowing cylinder is mounted on the base by retainer plate；Pedestal is made of support frame, electric telescopic rod and slide bar, and slide bar is located at support frame lower part, and electric telescopic rod is loaded on slide bar and arbitrarily moves or fix.The transfer of slurry is realized in the upper end that transfer device is installed on blowing cylinder, and electric telescopic rod pushes the sampling of the piston realization different layers position slurry inside blowing cylinder.The device is easy to operate, practical, solves the problems, such as to obtain different layers position slurry sample under the premise of not disturbing cemented filling material slurry internal structure.
Description
Technical field
The present invention relates to samplers and its working method that filling slurry is glued in a kind of acquisition different layers position, belong to mine
Filling and material sampling technique field.
Background technique
In recent years, construction Green Mine, develop green mining become the program of action of Chinese Mining Industry circle, developing goal and
There is an urgent need to.Filling mining is one of the important technical of science exploitation as a kind of Green Mining Technology.
Consolidated fill is an important branch of filling in mine production technique, and the technology is solid by tailing, spoil, flyash etc.
Body waste mixes suitable cementitious material, adds water mixing that consolidated fill slurry, then the side by pumping or gravity flow is made
Filling slurry is transported to goaf along pipeline and carries out packing job by formula, then solidifies slurry in goaf, formation has
The obturation of some strength and globality.Cemented fill plays certain supporting role to top plate, can slow down and crush
To weaken roof strata destruction.Working face strata behaviors are unobvious after filling mining, and working face safety coefficient is high, mined out
The sinking and deformation of earth's surface are smaller above area, and it is a kind of Green Mining Technology that resource recovery ratio, which greatly improves, big in China, Australia
It is used widely in the country such as Leah, Canada or even world wide.
Supporting body of the cemented filling material as support strata movement is one of the core of technology of consolidated fill exploitation,
Therefore there is important researching value.To the research of cemented filling material performance mainly for the transportation performance and mechanical property of material
Energy.Ideal filler does not need only to have good mobility and is readily delivered, and has enough intensity after solidification
To support country rock.Then in practical applications, particle sedimentation, water can occur inside cemented filling material slurry during transportation
Change the physics, chemical change such as reaction, causes the slurry performance difference of different layers position during transportation larger, therefore to different layers
The performance of position cemented filling material carries out research and is necessary.Such research needs are not disturbing cemented filling material slurry
Under the premise of the slurry of different layers position is sampled.However, under existing experimental condition, it is difficult without dedicated sampler
To realize the sampling for being directed to different layers position filler slurry, relevant research work is caused to be difficult to carry out.Therefore, it is necessary to research and develop
It is a kind of for obtaining the sampler of the cemented filling material slurry of different layers position.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of for obtaining different layers position
The sampler and its working method of consolidated fill slurry, the device is easy to operate, practical, solve do not disturb it is cementing
The problem of different layers position slurry sample is obtained under the premise of filler slurry internal structure.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
It is a kind of for obtaining the sampler of different layers position consolidated fill slurry, including the transfer from top to bottom set gradually
Device, feeding device and pedestal three parts；
The transfer device includes transfer platform, push plate, and the two sides baffle interior of transfer platform opens up sliding slot, and shifts
The bottom end of platform offers circular hole, and the other end opens up a leak hole, places below leak hole and receive container；The push plate both ends
Convex block matching insertion sliding slot in, the upper plane of bottom and transfer platform is closely sealed, and push plate is between two side baffles along circular hole-leak hole
Direction slide back and forth；
The feeding device includes blowing cylinder, piston, sealing ring and retainer plate, several blowing cylinders are disposed vertically, edge
Horizontal cross arrangement is fixed on pedestal；Top and the bottom are open, and inside setting is surrounded with the piston of sealing ring, inside blowing cylinder
It slides up and down；
The pedestal includes electric telescopic rod, sliding block and slide bar and support frame, and slide bar horizontal cross is fixed under support frame
On the inside of portion, the bottom of electric telescopic rod is slidably connected on slide bar by sliding block, is moved horizontally along slide bar, the sliding block with it is electronic
Telescopic rod, which is pasted, to be fixed, and the up/down of slider bottom/front/rear face is equipped with the slide bar inside and penetrates through to the screw thread of slide bar
Hole, sliding block are bolted with slide bar；
The bottom of blowing cylinder is fixed on the upper plane of support frame by the retainer plate in outside；Electric telescopic rod passes through support frame
The corresponding pilot hole pushing piston opened up of upper plane moves up, the sampling for different layers position slurry；The transfer platform
The upper end that circular hole is concentrically disposed in blowing cylinder is used for the transfer of slurry.
Further, the blowing cylinder lower end outer wall is equipped with screw thread, is connected through a screw thread with retainer plate；There is height in upper end
The tenui-exinous bayonet equal with the base plate thickness of transfer platform specially puts the tenui-exinous of the top of the barrel for installing transfer device
Outer diameter be equal to Circularhole diameter and be less than the blowing cylinder outer diameter of lower part, transfer device is directly sleeved on blowing cylinder by the circular hole
End, and keep the upper planes align of blowing cylinder and circular hole.
Further, the transfer device further includes square container, and the leak hole is the side of two up big and down small stepwises
Hole；There are one and the matched Fang Huan of square hole, the inner ring of the Fang Huan and the lower stage of square hole at the square container upper end opening
The matching of rank size, outer ring matches with the upper step size of square hole, and the height of Fang Huan, width respectively with square hole upper step
Highly, the width matching of square hole lower step；Square container matches clamping, Fang Huan matching with the square hole of transfer platform by Fang Huan
It is suspended in the lower step of square hole.
Further, the upper plane of the Fang Huan highly reduces from outside to inside, forms inclined slope, and tilt angle is
30-60 °, preferably 45 °.
Further, blowing cylinder outer surface indicates scale, meter full scale 0-500mm.
Further, the feeding device is there are three types of specification, blowing cylinder inner diameter be respectively 50mm, 100mm and
150mm。
Further, the circular hole on the transfer platform and the line of centres of square hole and the center line of transfer platform are overlapped.
Further, the slide bar totally two, it is arranged in parallel in same level.
Further, the support frame is equipped with location hole, for the retainer plate of different size to be bolted.
The invention also discloses a kind of working methods of the sampler of above-mentioned consolidated fill slurry, including following step
It is rapid:
1) feeding slurry is placed in blowing cylinder, is stood, and is layered to slurry；
2) mobile by slide bar support slipper and electric telescopic rod, correspondence is fixed on the pilot hole concentric with blowing cylinder；
3) control electric telescopic rod rises pushing piston movement, and the slurry in blowing cylinder is flat to transfer by circular hole passage
In platform, leak hole is passed through to receiving in container using the push plate passage slurry on transfer platform, is then taken out equipped with sample slurry
Container is received, then a new reception container is installed；Remaining slurry successively divides repeatedly according to above-mentioned steps to be taken, and taking-up is all not
The slurry of same layer position, for testing in next step.
The utility model has the advantages that sampler and its work side provided by the present invention for obtaining different layers position consolidated fill slurry
Method has the advantage that electric telescopic rod designed by the present invention can the passage blowing cylinder of low speed at the uniform velocity compared with prior art
Internal piston realizes acquisition different layers position filling slurry under the premise of not disturbing cemented filling material slurry internal structure
Purpose.Design wherein with graduated blowing cylinder keeps slurry layer thickness division convenient, realizes the accuracy of sampling.The device
Easy to operate, high reliablity is applied widely, can provide reliable approach for the sampling work under conditions of similarity.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is front section view of the invention；
Fig. 3 is section plan of the invention；
Fig. 4 is the perspective view of transfer platform of the present invention；
Fig. 5 is the perspective view of square container of the present invention；
Fig. 6 is the front section view of transfer device of the present invention
Fig. 7 is the perspective view of feeding device of the present invention；
Fig. 8 is the perspective view of pedestal of the present invention；
Fig. 9 is application example experimental result picture of the present invention.
In figure: 1, transfer platform；2, push plate；3, square container；4, blowing cylinder；5, piston；6, sealing ring；7, retainer plate；
8, electric telescopic rod；9, sliding block；10, slide bar；11, support frame；12, pilot hole 13, location hole.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawings and examples.
As shown in figures 1-8 to be a kind of for obtaining the sampler of different layers position consolidated fill slurry, including transfer device,
Feeding device and pedestal three parts.Transfer device includes transfer platform 1, push plate 2 and square container 3, two side blocks of transfer platform 1
Intralamellar part opens up sliding slot, and offers circular hole at the top of transfer platform, opens up one in the other side of circular hole and gradually becomes from top to bottom
Small square hole；The push plate 2 is slidably mounted on transfer platform 1 by sliding slot；There is one at 3 upper end opening of square container
Fang Huan, square container 3 are clamped by Fang Huan and transfer platform 1.Feeding device includes blowing cylinder 4, piston 5, sealing ring 6 and fixes
Circle 7, blowing cylinder 4 is disposed vertically, and top and the bottom are open, and inside setting is surrounded with the piston 5 of sealing ring 6, along 4 inside of blowing cylinder
Lower slider.Pedestal includes electric telescopic rod 8, sliding block 9 and slide bar 10 and support frame 11, and 10 level of slide bar is fixed under support frame 11
On the inside of portion, the bottom of electric telescopic rod 8 is slidably connected on slide bar 10 by sliding block 9, can be moved horizontally along slide bar 10, the cunning
Block 9 and electric telescopic rod 8, which are pasted, fixes, and the perforation of 9 bottom of sliding block is provided with threaded hole, and sliding block 9 is solid by bolt with slide bar 10
It is fixed.The bottom of blowing cylinder 4 is fixed on the upper plane of support frame 11 by the retainer plate 7 in outside；Electric telescopic rod 8 passes through support frame
12 pushing piston 4 of pilot hole that plane opens up on 11 moves up, the sampling for different layers position slurry；The transfer platform 1
Circular hole be concentrically disposed in blowing cylinder 4 upper end be used for slurry transfer.
Preferably, wherein 4 lower end outer wall of blowing cylinder is equipped with screw thread, is connected through a screw thread with retainer plate 7；There is high 20mm in upper end
The bayonet of tenui-exinous specially puts thin half of the outer wall than lower part of the high 20mm of the top of the barrel, circular hole for installing transfer device
Diameter can be directly sleeved on transfer device as the upper end outer diameter of blowing cylinder and put the top of the barrel.4 outer surface of blowing cylinder
Indicate scale, meter full scale 0-500mm；Specification that there are three types of the feeding devices, 4 inner diameter of blowing cylinder are respectively
50mm, 100mm and 150mm；The diameter of 4 upper end thin-walled of blowing cylinder is equal to the diameter of the circular hole.Wherein slide bar 10 totally two,
It is arranged in parallel in same level, in order to balance, stablize, prevent electric telescopic rod from rotating round slide bar.Wherein support frame
11 are equipped with location hole 13, for the retainer plate 7 of different size to be bolted.Wherein transfer platform 1 is equipped with and charging
The matched circular hole of 4 bayonets of cylinder and with the matched square hole of square container 3 and transfer platform 1, square container 3 and blowing cylinder 4 are ok
Disassembly.
As seen in figures 3-6,3 top open part of square container is in inwardly downward structure, forms slope, can be realized
Matching with transfer platform 1 is fixed, while being also able to achieve the effect of slurry gravity flow above.
Embodiment
The consolidated fill slurry for being 70% for mass concentration, slurry are mixed and stirred by tailings, cement and water, measure it not
The concentration of same layer position changes with time rule.Feeding is starched 800mL and is placed and is put into the blowing cylinder 4 that diameter is 50mm,
After standing one hour, mobile electric telescopic rod 8 is corresponding with pilot hole 12 and fixed, so that electric telescopic rod 8 is risen pushing piston 5 and transports
It is dynamic, to being elapsed the slurry in blowing cylinder 4 by circular hole into transfer platform 1, elapsed using the push plate 2 on transfer platform 1
Slurry passes through square hole into square container 3, then takes out the square container 3 with slurry samples, then installs a new rectangular appearance
Device 3, remaining slurry successively divides repeatedly according to above-mentioned steps to be taken, all slurries to be removed, measures the concentration of different layers position slurry.
Slurry can be divided into according to the scale on blowing cylinder 4 by eight layer positions during test, take out in eight times, obtain slurry every time
100mL.The slurry sample of the different layers position of taking-up is finally carried out Concentration Testing, the mass concentration of the different layers position slurry obtained.
Test result shows that original concentration is 70% slurry, after standing a hour, concentration is followed successively by 69.85% from top to bottom,
70.05%, 70.25%, 70.45%, 70.65%, 70.85%, 71.05%, 71.25%, it can must stand slurry after one hour
The concentration distribution of different layers position is as shown in Figure 9.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of for obtaining the sampler of different layers position consolidated fill slurry, which is characterized in that including from top to bottom successively
Transfer device, feeding device and the pedestal three parts of setting；
The transfer device includes transfer platform (1), push plate (2), and the two sides baffle interior of transfer platform (1) opens up sliding slot,
And the bottom end of transfer platform offers circular hole, the other end opens up a leak hole, places below leak hole and receive container；It is described to push away
In the convex block matching insertion sliding slot at plate (2) both ends, bottom and the upper plane of transfer platform (1) are closely sealed, and push plate (2) is in two side baffles
Between slided back and forth along circular hole-leak hole direction；
The feeding device includes blowing cylinder (4), piston (5), sealing ring (6) and retainer plate (7), several blowing cylinders (4)
It is disposed vertically, is fixed on pedestal along horizontal cross arrangement；Top and the bottom are open, and inside setting is surrounded with the work of sealing ring (6)
It fills in (5), is slided up and down inside blowing cylinder (4)；
The pedestal includes electric telescopic rod (8), sliding block (9) and slide bar (10) and support frame (11), slide bar (10) horizontal cross
It is fixed on support frame (11) lower inside, the bottom of electric telescopic rod (8) is slidably connected on slide bar (10) by sliding block (9),
It being moved horizontally along slide bar (10), the sliding block (9) and electric telescopic rod (8) are pasted and are fixed, and the up/down of sliding block (9) bottom/
Front/rear face is equipped with the slide bar (10) inside and perforation is to the threaded hole of slide bar (10), and sliding block (9) and slide bar (10) pass through spiral shell
Bolt is fixed；
The bottom of blowing cylinder (4) is fixed on the upper plane of support frame (11) by the retainer plate (7) in outside；Electric telescopic rod (8)
Corresponding pilot hole (12) pushing piston (4) opened up of plane moves up on support frame (11), is used for different layers position slurry
Sampling；The upper end that the circular hole of the transfer platform (1) is concentrically disposed in blowing cylinder (4) is used for the transfer of slurry.
2. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the blowing cylinder
(4) lower end outer wall is equipped with screw thread, is connected through a screw thread with retainer plate (7)；There is the base plate thickness of height with transfer platform (1) in upper end
For equal tenui-exinous bayonet for installing transfer device, it is straight to be equal to circular hole for the specially outer diameter of the tenui-exinous of blowing cylinder (4) upper end
Diameter and blowing cylinder (4) outer diameter for being less than lower part, transfer device are directly sleeved on blowing cylinder (4) upper end by the circular hole, and keep putting
The upper planes align of barrel (4) and circular hole.
3. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the transfer device
It further include square container (3), the leak hole is the square hole of two up big and down small stepwises；At square container (3) upper end opening
Have one and the matched Fang Huan of square hole, the inner ring of the Fang Huan is matched with the lower step size of square hole, outer ring and square hole it is upper
The matching of portion's step size, and the height of Fang Huan, the width width with the height of square hole upper step, square hole lower step respectively
Match；Square container (3) matches clamping with the square hole of transfer platform (1) by Fang Huan, and Fang Huan matches the lower stage for being suspended on square hole
On rank.
4. a kind of sampler of consolidated fill slurry according to claim 3, which is characterized in that the Fang Huan's is upper flat
Face highly reduces from outside to inside, forms inclined slope, and tilt angle is 30-60 °, preferably 45 °.
5. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the blowing cylinder (4)
Outer surface indicates scale, meter full scale 0-500mm.
6. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the feeding device
There are three types of specifications, and blowing cylinder (4) inner diameter is 50mm, 100mm and 150mm respectively.
7. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the transfer platform
(1) line of centres of circular hole and square hole on is overlapped with the center line of transfer platform (1).
8. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the slide bar (10) is altogether
It is two, arranged in parallel in same level.
9. a kind of sampler of consolidated fill slurry according to claim 1, which is characterized in that the support frame
(11) location hole (13) are equipped with, for the retainer plate (7) of different size to be bolted.
10. a kind of working method of the sampler of consolidated fill slurry according to any one of claims 1 to 9, special
Sign is, comprising the following steps:
1) feeding slurry is placed in blowing cylinder (4), is stood, and is layered to slurry；
2) it is moved by slide bar (10) support slipper (9) and electric telescopic rod (8), correspondence is fixed on concentric with blowing cylinder (4)
Pilot hole (12)；
3) control electric telescopic rod (8) rises pushing piston (5) movement, and the slurry in blowing cylinder (4) is arrived by circular hole passage
In transfer platform (1), leak hole is passed through to receiving in container using push plate (2) the passage slurry on transfer platform (1), is then taken out
Reception container equipped with sample slurry, then a new reception container is installed；Remaining slurry according to above-mentioned steps successively repeatedly
Divide and take, the slurry of all different layers positions is taken out, for testing in next step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316334.4A CN109269842B (en) | 2018-11-07 | 2018-11-07 | Sampling device for obtaining cementing filling slurry at different layers and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316334.4A CN109269842B (en) | 2018-11-07 | 2018-11-07 | Sampling device for obtaining cementing filling slurry at different layers and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109269842A true CN109269842A (en) | 2019-01-25 |
| CN109269842B CN109269842B (en) | 2023-10-27 |
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ID=65191569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316334.4A Active CN109269842B (en) | 2018-11-07 | 2018-11-07 | Sampling device for obtaining cementing filling slurry at different layers and working method thereof |
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| CN (1) | CN109269842B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405850A (en) * | 2021-06-24 | 2021-09-17 | 北京科技大学 | Slurry on-site sampling device in goaf filling process and use method |
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