CN106840978B - A kind of abrasive disk type crushing experiment device and method suitable for hydrate particle in pipe - Google Patents
A kind of abrasive disk type crushing experiment device and method suitable for hydrate particle in pipe Download PDFInfo
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- CN106840978B CN106840978B CN201710024436.8A CN201710024436A CN106840978B CN 106840978 B CN106840978 B CN 106840978B CN 201710024436 A CN201710024436 A CN 201710024436A CN 106840978 B CN106840978 B CN 106840978B
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- 239000002245 particle Substances 0.000 title claims abstract description 52
- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000003801 milling Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 239000002105 nanoparticle Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005243 fluidization Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 150000004677 hydrates Chemical class 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Crushing And Grinding (AREA)
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Abstract
The invention discloses a kind of abrasive disk type crushing experiment devices suitable for hydrate particle in pipe, it includes material pre-mixing apparatus (1), broken duct section, broken mill unit, power unit (2), reception device (3) and monitor control system (4)；It also discloses the broken method for being suitable for managing interior hydrate particle of abrasive disk type.The beneficial effects of the present invention are: it is compact-sized, can directly in conveyance conduit to gas hydrate particle carry out second-time breakage, efficiently mill bulky grain gas hydrate particle, granularity of milling can adjust, it is epigranular of milling, easy to operate, it is defeated to solve the problems, such as that first separation and fluidisation in solid state fluidizing exploitation thinking are managed.
Description
Technical field
The present invention relates to the technical fields of sea bed gas hydrate exploitation, especially a kind of to be suitable for managing interior hydrate
The abrasive disk type crushing experiment device and method of grain.
Background technique
Gas hydrates are also known as combustible ice, and reserves are huge, more than 2 times of known carbon fossil fuel summation, mainly deposit
It is land permafrost soil and ocean seabed, wherein the reserves of ocean sea bed gas hydrate are considerably beyond land permafrost soil area
The reserves in domain are the novel unconventional energy resource for 21 century having very big Exploitation Potential.Before China's ocean gas hydrate resource
Scape is very wide, estimates that only the total resources of Gas Hydrate of The South China Sea just reaches 65,000,000,000 tons of oil according to Ministry of Land and Resources researcher
Equivalent is approximately equivalent to the land half with offshore oil natural gas total resources in China.
Ocean gas hydrate hides 1000 ~ 1500m of the depth of water, currently, China has carried out gas water twice at the South Sea
Object sampling is closed, shallow, cementing properties is poor as a result, it has been found that China's natural gas hydrate has the characteristics that bury for analytical sampling, utilizes routine
The recovery methods such as heat shock, decompression, note chemical reagent, which are exploited, easily causes geological disaster and environmental security.In view of
This, proposes the solid state fluidizing lasting exploit method for being directed to sea-bottom shallow gas hydrates.Realize that solid state fluidizing exploits thinking,
Essence is to carry out solid digging for gas hydrates as a kind of seabed mineral, and undersea mining vehicle carries out broken adopt to mineral reserve
Pick, while rear portion conveyance conduit forms negative pressure, surrounding seawater flows into conveyance conduit, flowing by broken position under the action of negative pressure
When drive mining vehicle broken hydrate and silt, rubble etc. enter conveyance conduit together.This is one kind different from existing petroleum day
The new developing thought of right gas or undersea mining (the easy decomposition gasification of hydrate mineral reserve object) mode.
When being exploited using solid state fluidizing production technique, the crucial problem encountered is how efficiently to cut broken day
Right gas hydrate.Firstly, the gas hydrates that first digging comes out inevitably contain the impurity such as silt, rubble, it is
Guarantee its purity, it need to be separated for the first time；Secondly, gas hydrates are in irregular blocky solid-state, it is mined
After to support ship to be decomposed to sea by pipeline transportation, in order to guarantee hydrate particle fluidisation conveying, need brokenly
It is broken into nuggets that are uniform, being of moderate size.Second-time breakage is carried out to the gas hydrates bulky grain that first digging obtains,
It is the step for realizing that above-mentioned two purpose is indispensable.
Summary of the invention
The present invention solves the problems, such as that solid state fluidizing exploits the first separation in thinking and fluidisation pipe is defeated, and it is tight to provide a kind of structure
It gathers, second-time breakage can be carried out to gas hydrate particle directly in conveyance conduit, bulky grain natural gas hydration of efficiently milling
Object, granularity of milling can adjust, epigranular of milling, the abrasive disk type crushing experiment for being suitable for manage interior hydrate particle easy to operate
Device and method.
The purpose of the present invention is achieved through the following technical solutions: a kind of abrasive disk type suitable for hydrate particle in pipe is broken
Broken experimental provision, it includes material pre-mixing apparatus, broken duct section, broken mill unit, power unit, reception device and prison
Survey control system；
The broken duct section is made of end to end broken pipeline and outlet elbow, be crushed pipeline the other end with
The connection of material pre-mixing apparatus, the other end of outlet elbow are connect with reception device；
The output end of the power unit has been sequentially connected with rotation monitoring sensor and long axis, and long axis is along broken pipeline axis
Line is through outlet elbow and rotation is installed in broken pipeline；
The broken mill unit is ground by being sequentially arranged from left to right in the first order mill in broken pipeline, the second level
Disk, third level mill and fourth stage mill composition, first order mill and third level mill are fixedly installed on long axis, the second level
Mill and fourth stage mill are installed on long axis through bearing A rotation, and gap by passing step by step from left to right between adjacent two-stage mill
Subtract, the reciprocal mill line in direction is arranged on the opposite facade of adjacent two-stage mill, the trench depth of line is ground on mill by mill
Outer edge to center position by gradually becoming shallower as deeply, and by least sixth area, each Qu Shangjun is offered mutually to be interconnected the mill line on mill
Logical inlet port and outlet port are formed with drainage notch, feed inlet and discharging on each mill between inlet port and outlet port
The area of passage of mouth is equal to each other；
The arrival end of the broken duct section and outlet end are provided with data monitoring unit, and data monitoring unit is by flowing
Fast sensor, temperature sensor, pressure sensor and particle size analyzer composition, the flow sensor, temperature sensor, pressure pass
Sensor, particle size analyzer and rotation monitoring sensor are connect with monitor control system.
Support fixation kit A and support fixation kit B are provided in the broken pipeline, support fixation kit A is located at
The left side of first order mill, support fixation kit B are located at the right side of fourth stage mill, support fixation kit A and the fixed group of support
Bearing B is mounted in part B.
The long axis rotation is installed in bearing B.
The contact position of the long axis and outlet elbow is equipped with dynamic seal.
The adjacent two-stage mill abutment sleeve through being set on long axis separates.
The broken pipeline and outlet elbow are through flanged joint.
Described second, the feed inlet on level Four mill surrounds ring-shaped.
First and third grade of mill is installed on long axis through flat key.
The material pre-mixing apparatus is screw rod mortar pump.
A kind of broken method for being suitable for managing interior hydrate particle of experimental provision abrasive disk type, it includes following step
It is rapid:
S1, starting power unit, power unit drive long axis rotation, and long axis drives first order mill and third level mill to do
Rotary motion；
S2, bulky grain hydrate and water are pre-mixed in storage tank, starting screw rod mortar pump, screw rod mortar pump will store up
Bulky grain hydrate and water are pumped into broken pipeline in batch can；
S3, bulky grain hydrate sequentially enter first through feed inlet, drainage notch and the discharge port on first order mill
First area that mills that grade mill and second level mill are formed, by bulky grain under the collective effect of reciprocal mill line between two mills
Hydrate is milled into smaller particle；
S4, the guide functions due to grinding line, the little particle hydrate in step S3 is sequentially through second level mill edge
Feed inlet, drainage notch and discharge port enter second area that mills that second level mill and third level mill are formed and are ground
Mill enters a area that mills of third that third level mill and fourth stage mill are formed and mills, is finally milled into minimum after milling
Particle hydrate and water, nano sized particles hydrate, which flows out together with water and enters in reception device through outlet elbow, to be collected.
The invention has the following advantages that structure of the invention it is compact, can be directly in conveyance conduit to gas hydrates
Grain carries out second-time breakage, bulky grain gas hydrates, the granularity of milling of efficiently milling can adjust, epigranular of milling, operation letter
It is single, it is defeated to solve the problems, such as that first separation and fluidisation in solid state fluidizing exploitation thinking are managed.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the scheme of installation of broken mill unit and long axis, broken pipeline；
Fig. 3 is the structural schematic diagram of first order mill；
Fig. 4 is the structural schematic diagram of second level mill；
In figure, 1- material pre-mixing apparatus, 2- power unit, 3- reception device, 4- monitor control system, the broken pipe of 5-
Road, 6- outlet elbow, 7- rotation monitoring sensor, 8- long axis, 9- first order mill, the second level 10- mill, 11- third level mill
Disk, 12- fourth stage mill, 13- bearing A, 14- grind line, 15- feed inlet, 16- discharge port, 17- drainage notch, 18- flow-velocity sensing
Device, 19- temperature sensor, 20- pressure sensor, 21- particle size analyzer, 22- support fixation kit A, 23- to support fixation kit B,
24- bearing B, 25- dynamic seal, 26- abutment sleeve, 27- flange, 28- flat key.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below:
As shown in Fig. 1 ~ 4, a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe, it includes that material is pre-
Mixing arrangement 1, broken duct section, broken mill unit, power unit 2, reception device 3 and monitor control system 4.
The broken duct section is made of end to end broken pipeline 5 and outlet elbow 6, is crushed pipeline 5 and outlet
Bend pipe 6 is connected through flange 27, and the other end of broken pipeline 5 is connect with material pre-mixing apparatus 1, and material pre-mixing apparatus 1 is spiral shell
The other end of bar mortar pump, outlet elbow 6 is connect with reception device 3, and reception device 3 is for collecting broken nano sized particles water
Close object.
The output end of the power unit has been sequentially connected with rotation monitoring sensor 7 and long axis 8, and long axis 8 is along broken pipe
5 axis of road is through outlet elbow 6 and rotation is installed in broken pipeline 5, and the contact position of long axis 8 and outlet elbow 6 is equipped with dynamic
Sealing element 25.
The broken mill unit is by being sequentially arranged from left to right in the first order mill 9 in broken pipeline 5, the second level
Mill 10, third level mill 11 and fourth stage mill 12 form, and first order mill 9 is identical with 11 structure of third level mill, and second
Grade mill 10 is identical with 12 structure of fourth stage mill, and the first order mill 9 and third level mill 11 is fixedly installed in length
On axis 8, the second level mill 10 and fourth stage mill 12 are installed on long axis 8 through bearing A13 rotation, adjacent two-stage mill
Gap by successively decreasing and gap can be adjusted according to hydrate particle Particle size requirements, adjacent two-stage mill step by step from left to right between disk
The abutment sleeve 26 through being set on long axis 8 separates, and it is reciprocal to be arranged with direction on the opposite facade of adjacent two-stage mill
Line 14 is ground, mill line of the trench depth of line 14 by mill outer edge to center position by gradually becoming shallower as deeply, on mill is ground on mill
14 by least sixth area, and each Qu Shangjun offers interconnected feed inlet 15 and discharge port 16, feed inlet 15 and discharge port
It is formed with drainage notch 17 between 16, drains notch 17 so that hydrate particle can smoothly enter into the area that mills.On each mill
Feed inlet 15 and the area of passage of discharge port 16 be equal to each other.
The arrival end of the broken duct section and outlet end are provided with data monitoring unit, and data monitoring unit is by flowing
Fast sensor 18, temperature sensor 19, pressure sensor 20 and particle size analyzer 21 form, and the flow sensor 18, temperature pass
Sensor 19, pressure sensor 20, particle size analyzer 21 and rotation monitoring sensor 7 are connect with monitor control system 4.The stream
Fast sensor 18 is used for the flow velocity of real-time monitoring fluid, and by data feedback to monitor control system 4；The temperature sensor
19 and pressure sensor 20 be respectively used to the temperature and pressure of real-time detection fluid and be converted into electric signal to pass to monitoring
Control system 4；The particle size analyzer 21 gives monitoring control for hydrate particle granularity in real-time monitoring fluid, and by data feedback
System 4 processed；The rotation monitoring sensor 7 is used to the revolving speed of real-time detection long axis 8 and is converted to digital signal pass to prison
Control system 4 is surveyed, to more intuitively observe the broken situation of hydrate particle in pipeline.
It is provided with support fixation kit A22 and support fixation kit B23 in the broken pipeline 5, supports fixation kit
A22 is located at the left side of first order mill 9, and support fixation kit B23 is located at the right side of fourth stage mill 12, supports fixation kit
Bearing B24 is mounted in A22 and support fixation kit B23；The rotation of long axis 8 is installed in bearing B24.
Described second, the feed inlet 15 on level Four mill surrounds ring-shaped；First and third grade of mill is through flat key
28 are installed on long axis 8.
A kind of broken method for being suitable for managing interior hydrate particle of experimental provision abrasive disk type, it includes following step
It is rapid:
S1, starting power unit 2, power unit 2 drive long axis 8 to rotate, and long axis 8 drives first order mill 9 and the third level
Mill 11 makes rotating motion；
S2, bulky grain hydrate and water are pre-mixed in storage tank, starting screw rod mortar pump, screw rod mortar pump will store up
Bulky grain hydrate and water are pumped into broken pipeline 5 in batch can；
S3, bulky grain hydrate sequentially through on first order mill 9 feed inlet 15, drainage notch 17 and discharge port 16 into
Enter first area that mills that first order mill 9 and second level mill 10 are formed, the common work of reciprocal mill line 14 between two mills
Bulky grain hydrate is milled into smaller particle with lower；
S4, the guide functions due to grinding line 14, the little particle hydrate in step S3 is sequentially through 10 edge of second level mill
Feed inlet 15, drainage notch 17 and the discharge port 16 at place enter second that second level mill 10 and third level mill 11 are formed
The area that mills mills, and enters third level mill 11 as shown in figure 2 by the arrow, after milling and fourth stage mill 12 is formed the
Three areas that mill mill, and are finally milled into nano sized particles hydrate and water, nano sized particles hydrate epigranular after being crushed,
Nano sized particles hydrate, which flows out together with water and enters in reception device 3 through outlet elbow 6, to be collected.Therefore this experimental provision is realized
Efficiency crushing bulky grain gas hydrate particle, and gas hydrate particle can be carried out directly in conveyance conduit
Second-time breakage has reached green second-time breakage purpose, solve solid state fluidizing exploitation thinking in it is first separation and fluidisation manage it is defeated
Problem.
Claims (10)
1. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe, it is characterised in that: it includes material premix
It attaches together and sets (1), broken duct section, broken mill unit, power unit (2), reception device (3) and monitor control system (4)；
The broken duct section is made of end to end broken pipeline (5) and outlet elbow (6), is crushed the another of pipeline (5)
One end is connect with material pre-mixing apparatus (1), and the other end of outlet elbow (6) is connect with reception device (3)；
The output end of the power unit has been sequentially connected with rotation monitoring sensor (7) and long axis (8), and long axis (8) is along broken
Pipeline (5) axis is through outlet elbow (6) and rotation is installed in broken pipeline (5)；
The broken mill unit is by being sequentially arranged from left to right in the first order mill (9) in broken pipeline (5), the second level
Mill (10), third level mill (11) and fourth stage mill (12) composition, first order mill (9) and third level mill (11) are solid
Loaded on long axis (8), second level mill (10) and fourth stage mill (12) are installed on long axis through bearing A(13) rotation for Dingan County
(8) on, gap by successively decreasing step by step from left to right between adjacent two-stage mill, the side of being arranged on the opposite facade of adjacent two-stage mill
To reciprocal mill line (14), the trench depth of line (14) is ground on mill by mill outer edge to center position by gradually becoming shallower as deeply,
For mill line (14) on mill by least sixth area, each Qu Shangjun offers interconnected feed inlet (15) and discharge port
(16), drainage notch (17) is formed between feed inlet (15) and discharge port (16), feed inlet (15) on each mill and out
The area of passage of material mouth (16) is equal to each other；
The arrival end of the broken duct section and outlet end are provided with data monitoring unit, and data monitoring unit is passed by flow velocity
Sensor (18), temperature sensor (19), pressure sensor (20) and particle size analyzer (21) composition, the flow sensor (18),
Temperature sensor (19), pressure sensor (20), particle size analyzer (21) and rotation monitoring sensor (7) are and monitor control system
(4) it connects.
2. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
It is: is provided with support fixation kit A(22 in the broken pipeline (5)) and support fixation kit B(23), support fixed group
Part A(22) it is located at the left side of first order mill (9), support fixation kit B(23) it is located at the right side of fourth stage mill (12), support
Fixation kit A(22) and support fixation kit B(23) in be mounted on bearing B(24).
3. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: long axis (8) rotation is installed on bearing B(24) in.
4. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 2, feature
Be: the contact position of the long axis (8) and outlet elbow (6) is equipped with dynamic seal (25).
5. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: the abutment sleeve (26) that the adjacent two-stage mill is set on long axis (8) separates.
6. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: the broken pipeline (5) is connect with outlet elbow (6) through flange (27).
7. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: described second, the feed inlet (15) on level Four mill surrounds ring-shaped.
8. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: first and third grade of mill is installed on long axis (8) through flat key (28).
9. a kind of abrasive disk type crushing experiment device suitable for hydrate particle in pipe according to claim 1, feature
Be: the material pre-mixing apparatus (1) is screw rod mortar pump.
10. a kind of method suitable for hydrate particle in pipe, it is characterised in that: it the following steps are included:
S1, starting power unit (2), power unit (2) drive long axis (8) rotation, long axis (8) drive first order mill (9) and
Third level mill (11) makes rotating motion；
S2, bulky grain hydrate and water are pre-mixed in storage tank, start screw rod mortar pump, screw rod mortar pump is by storage tank
Interior bulky grain hydrate and water are pumped into broken pipeline (5)；
S3, bulky grain hydrate are sequentially through feed inlet (15), drainage notch (17) and the discharge port on first order mill (9)
(16) enter first area that mills of first order mill (9) and second level mill (10) formation, the reciprocal mill line between two mills
(14) bulky grain hydrate is milled into smaller particle under collective effect；
S4, the guide functions due to grinding line (14), the little particle hydrate in step S3 is sequentially through second level mill (10) edge
Feed inlet (15), drainage notch (17) and the discharge port (16) at place enter second level mill (10) and third level mill (11) shape
At second area that mills mill, it is a that the third that third level mill (11) and fourth stage mill (12) are formed is entered after milling
The area that mills mills, and is finally milled into nano sized particles hydrate and water, nano sized particles hydrate flows out together with water and through going out
Mouth bend pipe (6), which enters in reception device (3), to be collected.
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| CN108468534B (en) * | 2018-04-03 | 2020-08-07 | 西南石油大学 | Simulation experiment device and method for secondary crushing and fluidization of seabed natural gas hydrate |
| CN108827754B (en) | 2018-05-25 | 2020-12-22 | 西南石油大学 | A broken system for jumbo size natural gas hydrate rock specimen |
| CN111672399B (en) * | 2020-06-22 | 2021-05-18 | 怀化福瑞钛新材料有限公司 | Preparation process of novel exterior wall thermal insulation coating |
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| CN101342504A (en) * | 2008-08-07 | 2009-01-14 | 西安建筑科技大学 | High-voltage panel type grinding equipment and its processing method |
| CN202665318U (en) * | 2012-05-05 | 2013-01-16 | 张伟 | Crushing and milling device for household rice roll machine formed by one shot |
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