CN106499379A - A kind of hydrate slurry bromhidrosis sand piece-rate system - Google Patents
A kind of hydrate slurry bromhidrosis sand piece-rate system Download PDFInfo
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- CN106499379A CN106499379A CN201610990054.6A CN201610990054A CN106499379A CN 106499379 A CN106499379 A CN 106499379A CN 201610990054 A CN201610990054 A CN 201610990054A CN 106499379 A CN106499379 A CN 106499379A
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- 239000002002 slurry Substances 0.000 title claims abstract description 65
- 239000004576 sand Substances 0.000 title claims abstract description 55
- 208000035985 Body Odor Diseases 0.000 title claims abstract description 14
- 206010055000 Bromhidrosis Diseases 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 126
- 238000010276 construction Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 15
- 239000007792 gaseous phase Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 2
- 238000006703 hydration reaction Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 description 12
- 150000004677 hydrates Chemical class 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- -1 hydrate Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/36—Underwater separating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The present invention relates to a kind of hydrate slurry bromhidrosis sand piece-rate system, including gas isolated subsystem and silt isolated subsystem, the entrance of gas isolated subsystem is connected with the outlet of multiphase mixture slurry storage tank, the gaseous phase outlet of gas isolated subsystem is connected with air accumulator, the non-gaseous outlet of gas isolated subsystem is connected with the entrance of silt isolated subsystem, the silt outlet of silt isolated subsystem is connected with the entrance of silt pumping installations, the outlet of silt pumping installations is connected with sand tank, the water of silt isolated subsystem and hydrate outlet are connected with water and hydrate slurry storage tank, gas isolated subsystem includes that at least one-level gas separates arcuate limb tubular construction, silt isolated subsystem includes at least one-level silt isolating construction.It is an advantage of the current invention that：Separation efficiency is high, simple structure and be difficult husky stifled, gas isolating construction sum of series silt isolating construction series, can require be adjusted according to gas and silt separation efficiency.
Description
Technical field
The present invention relates to the gas of sea bottom hydrate slurry is separated and solid phase silt separation technology field, particularly a kind of water
Compound slurry gas-sand piece-rate system.
Background technology
Gas hydrates possess the advantages of energy density is high, resource reserve is big, and the exploration of hydrate and exploitation become
The study hotspot of scientific circles.Existing sea-bottom natural gas exploitation is mostly using hot exploitation, blood pressure lowering exploitation, chemical injection exploitation, CO2
The routine recovery method such as replacement exploitation, but the exploitation for the non-diagenesis hydrate layer in seabed, these conventional recovery methods are all deposited
Production efficiency is low, difficulty big, high cost the shortcomings of, and hydrate slurry is typically the multiphases such as gas and water, hydrate, sand and mixes
Liquid is closed, how the gas sand in the multiphase mixed liquor that produces is separated, is to need the difficult point for overcoming badly.
Patent CN103628844A proposes " the lasting exploit methods of the non-diagenesis gas hydrates of deep seafloor shallow-layer ", should
Invention gas hydrates described in digging in solid form, the solid matter containing the gas hydrates is collected simultaneously
Crush as particulate matter, sea water is mixed to form gas-liquid-solid multiphase mixture stream with the particulate matter by injection；For save energy,
Need efficiently to separate the gas-liquid-solid multiphase mixture slurry for being formed in seabed, to remove silt, so as to obtain
Natural gas in slurry.
Patent CN 101160448A " pipe separator inlet " device belongs to gas fractionation unit, and which is structurally characterized in that general
Lead to the combination of T-shaped pipe, gas separation effect can be properly increased.Patent CN 1146526A " sand controller for crude oil well end " belongs to
Silt separation apparatus, its are structurally characterized in that, without special catch husky structure and
Sand discharge structure, easily causes the blocking of silt, and separation of sediment effect is limited.
For this purpose, the present invention proposes one kind can improve gas and silt separation efficiency, and the knockdown height of reliable operation
The gas of effect-sand piece-rate system.
Content of the invention
It is an object of the invention to overcoming the shortcoming of prior art, there is provided a kind of separation efficiency is high, simple structure and be difficult
Husky stifled hydrate slurry bromhidrosis-sand piece-rate system.
The purpose of the present invention is achieved through the following technical solutions：A kind of hydrate slurry bromhidrosis-sand piece-rate system, including gas
The outlet of body isolated subsystem and silt isolated subsystem, the entrance of the gas isolated subsystem and multiphase mixture slurry storage tank
Connection, the gaseous phase outlet of the gas isolated subsystem are connected with air accumulator, the non-gaseous outlet of the gas isolated subsystem
It is connected with the entrance of silt isolated subsystem, the silt outlet of the silt isolated subsystem is connected with the entrance of silt pumping installations
Connect, the outlet of silt pumping installations is connected with sand tank, the water of the silt isolated subsystem and hydrate are exported and water and water
Compound slurry storage tank connects.
The gas isolated subsystem separates arcuate limb tubular construction by least one-level gas and a discharge is constituted, gas
Body is separated the gas outlet of arcuate limb tubular construction and is connected with the entrance of discharge, and the outlet of discharge is connected with air accumulator.
The gas isolated subsystem includes that three-level gas separates arcuate limb tubular construction, wherein,
First order gas separate arcuate limb tubular construction by horizontal straight tube section, transitional pipe segment A, sinking arc pipeline section A lower slope sections with
And gas separates arc arm A composition, the entrance of horizontal straight tube section is connected with multiphase mixture slurry storage tank, and horizontal straight tube section goes out
Mouth is connected with the entrance of transitional pipe segment A, and the gaseous phase outlet of transitional pipe segment A separates the lower end connection of arc arm A, transition with gas
The non-gaseous outlet of pipeline section A is connected with sinking arc pipeline section A lower slope section entrances；
Second level gas separates arcuate limb tubular construction by arc pipeline section A upward slope sections of sinking, transitional pipe segment B, sinking arc pipeline section B
Lower slope section and gas separate arc arm B compositions, and the outlet of sinking arc pipeline section A upward slope sections is connected with the entrance of transitional pipe segment B,
The gaseous phase outlet of transitional pipe segment B separates the lower end connection of arc arm B, non-gaseous outlet and the sinking of transitional pipe segment B with gas
Arc pipeline section B lower slope sections entrance connects；
The third level separates arcuate limb tubular construction by arc pipeline section B upward slope sections, transitional pipe segment C, transitional straight pipe and the gas of sinking
Body separates arc arm C compositions, and the outlet of sinking arc pipeline section B upward slope sections is connected with the entrance of transitional pipe segment C, transitional pipe segment C
Gaseous phase outlet separates the lower end connection of arc arm C, the non-gaseous outlet of transitional pipe segment C and the entrance of transitional straight pipe with gas
Connection；
Gas separates the upper end of arc arm A, the upper end of gas separation arc arm B and gas and separates the upper of arc arm C
End is connected with discharge respectively.
The silt isolated subsystem is by least one-level silt isolating construction and a water and hydrate slurry outlet group
Into the silt outlet of silt isolating construction is connected with the entrance of silt pumping installations, the water and hydrate slurry of silt isolating construction
Body outlet is connected with one end of water and hydrate slurry outlet, the other end of water and hydrate slurry outlet and water and hydration
Thing slurry storage tank connects.
The silt isolated subsystem includes two-stage silt isolating construction, wherein,
First order silt isolating construction is separated spiral pipeline section A, is caught husky structure A, sand discharge branched pipe A and separate with silt by silt
Spiral pipeline section B front half sections are constituted, and silt is separated the entrance of spiral pipeline section A and gone out with the non-gaseous of gas isolated subsystem
Mouth connection, the exit of silt separation spiral pipeline section A is provided with catches husky structure A, catches the first outlet and sand discharge of husky structure A
The upper end connection of branched pipe A, the second outlet and silt for catching husky structure A separate the entrance connection of spiral pipeline section B front half sections；
Second level silt isolating construction is separated the spiral pipeline section B second half sections, is caught husky structure B, sand discharge branched pipe B and mud by silt
The husky spiral pipeline section C that separates is constituted, and silt separation spiral pipeline section B second half section exits are provided with catches husky structure B, catches sand
The first outlet of structure B is connected with the upper end of sand discharge branched pipe B, and the second outlet for catching husky structure B separates spiral with silt
The entrance connection of pipeline section C, silt are separated the outlet of spiral pipeline section C and are connected with water and hydrate slurry outlet.
Described catch husky structure A and include catching husky groove A and catch hourglass bucket A, catch husky groove A at fluid cross-section more than silt separation spiral
Rise the fluid cross-section of pipeline section A, catch hourglass bucket A and be arranged at the lower section for catching husky groove A, and the silt of husky groove A collections will be caught by catching
Hourglass bucket A streams enter in sand discharge branched pipe A.
Described catch husky structure B and include catching husky groove B and catch hourglass bucket B, catch husky groove B at fluid cross-section more than silt separation spiral
Rise the fluid cross-section of pipeline section B, catch hourglass bucket B and be arranged at the lower section for catching husky groove B, and the silt of husky groove B collections will be caught by catching
Hourglass bucket B streams enter in sand discharge branched pipe B.
The silt pumping installations include that pump, collection sandpipe and screw feeder, pump are pushed away installed in one end of collection sandpipe, spiral
Glassware is placed in collection sandpipe, and the outfan of pump is connected with screw feeder.
The present invention has advantages below：
1st, the present invention is due to using gas isolated subsystem and silt isolated subsystem, at the same be furnished with multiphase mixture slurry storage tank,
Air accumulator, sand storage tank, water and hydrate slurry storage tank and silt pumping installations etc., its structure are simpler, movement-less part,
Separation efficiency is high, is difficult the features such as sand is stifled, and frictional resistance is little.
2nd, the present invention separates arc arm and sinking arc pipeline section due to employing gas in gas isolated subsystem.Due to
The upward slope section of sinking arc pipeline section is used for the arrival end that gas separates arcuate limb tubular construction, is conducive to entrance pipeline section top
Gas imports gas and separates arc arm；Arcuate limb tubular construction is separated as the lower slope section of sinking arc pipeline section is used for gas
The port of export so that gas is not easily accessible the outlet pipe section that gas separates arcuate limb tubular construction；In addition gas separates arc arm
Have and gas effect is caught than straight tube with higher, so as to improve the separation efficiency of gas, reduce gas and separate series.
3rd, the present invention separates spiral pipeline section as the inlet and outlet of silt isolated subsystem employs silt, in weight
The lower silt of power effect is more easy to husky schematic capture of being caught, and improves the separation efficiency of silt.Catch to employ in husky structure and catch husky groove so that
Fluid cross-section sudden enlargement at husky groove is caught, causes slurry flow velocity to reduce, silt flowing slows down, and silt is easy to settle and is captured.
Catch husky structure and additionally use the structure that to catch hourglass bucket combined with husky groove is caught so that catch the silt in husky groove and will not form accumulation,
So that it is smooth to catch husky and sand discharge process.
4th, gas isolating construction sum of series silt isolating construction series of the present invention, can be according to gas and silt separation efficiency
Requirement is adjusted, or increases or decreases.
5 the present invention is especially suitable for sea bottom hydrate slurry gas separation separate with solid phase silt, while can also use
In offshore production platform and the gas-solid-liquid three phase separation of Land petroleum well head.
6th, the present invention is can be widely used in various gas-solid-slurry body piece-rate systems, has good prospects for commercial application.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram of the arcuate limb tubular construction of the present invention；
Fig. 3 is the schematic diagram for catching husky structure of the present invention；
In figure：1- multiphase mixture slurry storage tanks, 2- gas isolated subsystems, 201- horizontal straight tube sections, 202- transitional pipe segments A,
203- sinking arc pipeline section A, 204- transitional pipe segments B, 205- sinking arc pipeline section B, 206- transitional pipe segments C, 207- gases are separated
Arc arm A, 208- gases separate arc arm B, and 209- gases separate arc arm C, 210- discharges, 3- silt segregants
System, 301- silts separate spiral pipeline section A, and 302- catches husky structure A, and 302a- catches husky groove A, and 302b- catches hourglass bucket A, 303-
Sand discharge branched pipe A, 304- silts separate spiral pipeline section B, and 305- catches husky structure B, 306- sand discharge branched pipe B, 307- silts
Separate spiral pipeline section C, 4- transition straight lengths, 5- silt pumping installations, 501- pumps, 502- collection sandpipes, 6- sand storage tanks, 7- water
With hydrate slurry outlet, 8- water and hydrate slurry storage tank, 9- air accumulators.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in figure 1, a kind of hydrate slurry bromhidrosis-sand piece-rate system, including gas isolated subsystem 2 and silt segregant
System 3, the entrance of the gas isolated subsystem 2 are connected with the outlet of multiphase mixture slurry storage tank 1, and the gas separates subsystem
The gaseous phase outlet of system 2 is connected with air accumulator 9, non-gaseous outlet and the silt isolated subsystem 3 of the gas isolated subsystem 2
Entrance connects, and the silt outlet of the silt isolated subsystem 3 is connected with the entrance of silt pumping installations 5, silt pumping installations 5
Outlet be connected with sand tank 6, the water of the silt isolated subsystem 3 and hydrate outlet and water and hydrate slurry storage tank 8
Connection.
The gas isolated subsystem 2 separates 210 groups of arcuate limb tubular construction and discharge by least one-level gas
Into gas is separated the gas outlet of arcuate limb tubular construction and is connected with the entrance of discharge 210, the outlet and storage of discharge 210
Gas tank 9 connects.
Preferably, the gas isolated subsystem 2 includes that three-level gas separates arcuate limb tubular construction, wherein, the
One-level gas separates arcuate limb tubular construction by horizontal straight tube section 201, transitional pipe segment A202, sinking arc pipeline section A203 lower slope sections
And gas separates arc arm A207 compositions, the entrance of horizontal straight tube section 201 is connected with multiphase mixture slurry storage tank 1, level
The outlet of straight length 201 is connected with the entrance of transitional pipe segment A202, and the gaseous phase outlet of transitional pipe segment A202 separates arc with gas
The lower end connection of arm A207, the non-gaseous outlet of transitional pipe segment A202 are connected with sinking arc pipeline section A203 lower slope section entrances；
As shown in Fig. 2 second level gas separate arcuate limb tubular construction by arc pipeline section A203 upward slope sections of sinking, transitional pipe segment B204,
Sinking arc pipeline section B205 lower slope sections and gas separate arc arm B208 compositions, and sinking arc pipeline section A203 upward slope sections are exported
It is connected with the entrance of transitional pipe segment B204, the gaseous phase outlet of transitional pipe segment B204 is separated the lower end of arc arm B208 and connected with gas
Connect, the non-gaseous outlet of transitional pipe segment B204 is connected with sinking arc pipeline section B205 lower slope section entrances；The third level separates arc point
Manifold configuration separates arc arm by arc pipeline section B205 upward slope sections of sinking, transitional pipe segment C206, transitional straight pipe 4 and gas
C209 is constituted, and the outlet of sinking arc pipeline section B205 upward slope sections is connected with the entrance of transitional pipe segment C206, the gas of transitional pipe segment C206
The lower end connection that with gas separate arc arm C209, non-gaseous outlet and the transitional straight pipe 4 of transitional pipe segment C206 are mutually exported
Entrance connection；Gas separates upper end and the gas separation that the upper end of arc arm A207, gas separate arc arm B208
The upper end of arc arm C209 is connected with discharge 210 respectively.
The silt isolated subsystem 3 is by least one-level silt isolating construction and a water and hydrate slurry outlet 7
Composition, the silt outlet of silt isolating construction are connected with the entrance of silt pumping installations 5, the water and hydrate of silt isolating construction
Slurry outlet is connected with one end of water and hydrate slurry outlet 7, the other end of water and hydrate slurry outlet 7 and water and
Hydrate slurry storage tank 8 connects.
Preferably, the silt isolated subsystem 3 includes two-stage silt isolating construction, wherein, first order silt point
Separated spiral pipeline section A301, caught husky structure A302, sand discharge branched pipe A303 and separate on spiral with silt by silt from structure
Riser section B304 front half section is constituted, and silt separates the entrance of spiral pipeline section A301 and the non-gaseous of gas isolated subsystem 2
Outlet connection, silt separate the exit of spiral pipeline section A301 and are provided with and catch husky structure A302, catch the of husky structure A302
One outlet is connected with the upper end of sand discharge branched pipe A303, and the second outlet and silt for catching husky structure A302 separates spiral pipeline section
The entrance connection of B304 front half sections；Second level silt isolating construction is separated the spiral pipeline section B304 second half sections, is caught sand by silt
Structure B305, sand discharge branched pipe B306 separate spiral pipeline section C307 compositions with silt, and silt separates spiral pipeline section
B304 second half section exits are provided with catches husky structure B305, and the first outlet for catching husky structure B305 is upper with sand discharge branched pipe B306
End connection, the second outlet and silt for catching husky structure B305 separate the entrance connection of spiral pipeline section C307, and silt separates spiral shell
The outlet for screwing on riser section C307 is connected with water and hydrate slurry outlet 7.
Catch husky structure A302 and include catching husky groove A302a and catch hourglass bucket A302b as shown in figure 3, described, catch husky groove A302a
Place's fluid cross-section separates the fluid cross-section of spiral pipeline section A301 more than silt, catches hourglass bucket A302b and is arranged at and catches husky groove
The lower section of A302a, and the silt for catching husky groove A302a collections is entered in sand discharge branched pipe A303 by catching hourglass bucket A302b streams.
Described catch husky structure B305 and include catching husky groove B and catch hourglass bucket B, catch husky groove B at fluid cross-section more than silt separation
The fluid cross-section of spiral pipeline section B304, catches hourglass bucket B and is arranged at the lower section for catching husky groove B, and will catch the silt that husky groove B is collected
Entered in sand discharge branched pipe B306 by catching hourglass bucket B streams.
The silt pumping installations 5 include pump 501, collection sandpipe 502 and screw feeder, and pump 501 is installed in collection sandpipe 502
One end, screw feeder be placed in collection sandpipe 502 in, the outfan of pump 501 is connected with screw feeder.
The course of work of the present invention is as follows：In hydrate slurry storage tank 1, air-water-hydrate-mortar body is through horizontal straight tube
The first order gas that section 201 is entered in gas isolated subsystem 2 separates arcuate limb tubular construction, as gas separates arc arm
207 effect, causes which very big with the junction pressure drop of transitional pipe segment A202, and gas " is sucked " gas and separates arc arm
207.It is sinking arc pipeline section A203 lower slope sections as first order gas separates the outlet of arcuate limb pipe so that supervisor top
Gas is detained, and is not easily accessible sinking arc pipeline section A203, enters the effect that gas separates arc arm A207 so as to improve gas.
Then hydrate slurry enters second level gas and separates arcuate limb tubular construction.Its entrance is the upward slope of sinking arc pipeline section A203
Section, when passing through the pipeline section due to slurry, the gas on its top is easily accessible gas and separates arc arm B208, improves arc point
Manifold configuration gas separation effect；Its outlet is sinking arc pipeline section B205 lower slope sections, separates arc with first order gas
The same separating effect of the sinking arc pipeline section A203 lower slope sections in branch's tubular construction.After again, hydrate slurry enters third level gas
Body separates arcuate limb tubular construction, and the structure is separated arcuate limb tubular construction and there is similar separation function with the gas of front two-stage
And effect.Three-level gas separates the separated gas out of arcuate limb tubular construction, is transported to air accumulator 9 through discharge 210.
In supervisor, the mixture slurry of remaining water-hydrate-sand enters transition straight length 4.After completing gas separation, transition straight length
Hydrate slurry in 4 enters first order silt isolating construction, separates spiral in the silt of first order silt isolating construction
In pipeline section A301, as husky density is larger, under the influence of centrifugal force, silt is along the outer wall for separating spiral pipeline section A301
Lower flow, in husky structure A302 is caught, catches husky groove A302a and flow section is expanded, and local helical formed therein that
Flowing, silt are collected through catching hourglass bucket A302b, along sand discharge branched pipe under the collective effect of local helical stream and gravity
A303 is flowed in collection sandpipe 502.Simultaneously because the outlet for catching husky structure A302 is silt separates spiral pipeline section B304, in weight
In the presence of power, prevent silt to enter main flow conduit, further increase silt separating effect.In the same manner, through the first fraction
Hydrate slurry after silt enters second level silt isolating construction, the function and effect of its separation of sediment and the phase of the first order
With.
Complete water-hydrate after silt is separated water and hydrate slurry storage tank is entered along water and hydrate slurry outlet 7
8, the silt that the first order and second level silt isolating construction are isolated is flowed in collection sandpipe 502, drives collection sand by shell pump 501
Screw feeder in pipe 502 rotates and silt is transported in sand storage tank 6.
The above is only the better embodiment to the present invention, not makees any pro forma limit to the present invention
System, any simple modification made to embodiment of above by every technical spirit according to the present invention, equivalent variations and modification,
Belong to the scope of technical solution of the present invention.
Claims (8)
1. a kind of hydrate slurry bromhidrosis-sand piece-rate system, it is characterised in that：Including gas isolated subsystem（2）Separate with silt
Subsystem（3）, the gas isolated subsystem（2）Entrance and multiphase mixture slurry storage tank（1）Outlet connection, the gas
Isolated subsystem（2）Gaseous phase outlet and air accumulator（9）Connection, the gas isolated subsystem（2）Non-gaseous outlet and mud
Husky isolated subsystem（3）Entrance connection, the silt isolated subsystem（3）Silt outlet with silt pumping installations（5）'s
Entrance connects, silt pumping installations（5）Outlet and sand tank（6）Connection, the silt isolated subsystem（3）Water and hydration
Thing outlet and water and hydrate slurry storage tank（8）Connection.
2. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 1, it is characterised in that：The gas segregant
System（2）Arcuate limb tubular construction and a discharge are separated by least one-level gas（210）Composition, gas separate arcuate limb
The gas outlet of tubular construction and discharge（210）Entrance connection, discharge（210）Outlet and air accumulator（9）Connection.
3. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 2, it is characterised in that：The gas segregant
System（2）Arcuate limb tubular construction is separated including three-level gas, wherein,
First order gas separates arcuate limb tubular construction by horizontal straight tube section（201）, transitional pipe segment A（202）, sinking arc pipeline section
A（203）Lower slope section and gas separate arc arm A（207）Composition, horizontal straight tube section（201）Entrance and multiphase mixing slurry
Body storage tank（1）Connection, horizontal straight tube section（201）Outlet and transitional pipe segment A（202）Entrance connection, transitional pipe segment A（202）
Gaseous phase outlet separate arc arm A with gas（207）Lower end connection, transitional pipe segment A（202）Non-gaseous outlet with sink
Arc pipeline section A（203）Lower slope section entrance connects；
Second level gas separates arcuate limb tubular construction by the arc pipeline section A that sinks（203）Upward slope section, transitional pipe segment B（204）, under
Heavy arc pipeline section B（205）Lower slope section and gas separate arc arm B（208）Composition, sinking arc pipeline section A（203）Upward slope section
Outlet and transitional pipe segment B（204）Entrance connection, transitional pipe segment B（204）Gaseous phase outlet separate arc arm B with gas
（208）Lower end connection, transitional pipe segment B（204）Non-gaseous outlet with sinking arc pipeline section B（205）Lower slope section entrance connects；
The third level separates arcuate limb tubular construction by the arc pipeline section B that sinks（205）Upward slope section, transitional pipe segment C（206）, transition straight
Spool（4）And gas separates arc arm C（209）Composition, sinking arc pipeline section B（205）Upward slope section outlet and transitional pipe segment C
（206）Entrance connection, transitional pipe segment C（206）Gaseous phase outlet separate arc arm C with gas（209）Lower end connection, mistake
Cross pipeline section C（206）Non-gaseous outlet with transitional straight pipe（4）Entrance connection；
Gas separates arc arm A（207）Upper end, gas separate arc arm B（208）Upper end and gas separate arc
Arm C（209）Upper end respectively with discharge（210）Connection.
4. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 1, it is characterised in that：The silt segregant
System（3）By at least one-level silt isolating construction and a water and hydrate slurry outlet（7）Composition, silt isolating construction
Silt outlet and silt pumping installations（5）Entrance connection, the water of silt isolating construction and hydrate slurry outlet and Shui Heshui
Compound slurry outlet pipe（7）One end connection, water and hydrate slurry outlet（7）The other end and water and hydrate slurry store up
Tank（8）Connection.
5. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 4, it is characterised in that：The silt segregant
System（3）Including two-stage silt isolating construction, wherein,
First order silt isolating construction separates spiral pipeline section A by silt（301）, catch husky structure A（302）, sand discharge branched pipe A
（303）Spiral pipeline section B is separated with silt（304）Front half section is constituted, and silt separates spiral pipeline section A（301）Entrance
With gas isolated subsystem（2）Non-gaseous outlet connection, silt separate spiral pipeline section A（301）Exit be provided with
Catch husky structure A（302）, catch husky structure A（302）First outlet and sand discharge branched pipe A（303）Upper end connection, catch husky structure A
（302）Second outlet separate spiral pipeline section B with silt（304）The entrance connection of front half section；
Second level silt isolating construction separates spiral pipeline section B by silt（304）Second half section, catch husky structure B（305）, sand discharge
Branched pipe B（306）Spiral pipeline section C is separated with silt（307）Composition, silt separate spiral pipeline section B（304）Second half section
Exit is provided with catches husky structure B（305）, catch husky structure B（305）First outlet and sand discharge branched pipe B（306）Upper end connect
Connect, catch husky structure B（305）Second outlet separate spiral pipeline section C with silt（307）Entrance connection, silt separate spiral shell
Screw on riser section C（307）Outlet and water and hydrate slurry outlet（7）Connection.
6. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 5, it is characterised in that：Described catch husky structure A
（302）Including catching husky groove A（302a）With catch hourglass bucket A（302b）, catch husky groove A（302a）Place's fluid cross-section separates spiral shell more than silt
Screw on riser section A（301）Fluid cross-section, catch hourglass bucket A（302b）It is arranged at and catches husky groove A（302a）Lower section, and sand will be caught
Groove A（302a）The silt of collection is by catching hourglass bucket A（302b）Stream enters sand discharge branched pipe A（303）Interior.
7. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 5, it is characterised in that：Described catch husky structure B
（305）Including catching husky groove B and catching hourglass bucket B, catch fluid cross-section at husky groove B and spiral pipeline section B is separated more than silt（304）'s
Fluid cross-section, catches hourglass bucket B and is arranged at the lower section for catching husky groove B, and the silt for catching husky groove B collections is entered by catching hourglass bucket B streams
Sand discharge branched pipe B（306）Interior.
8. a kind of hydrate slurry bromhidrosis-sand piece-rate system according to claim 1 or 4, it is characterised in that：The silt pumping
Device（5）Including pump（501）, collection sandpipe（502）And screw feeder, pump（501）Installed in collection sandpipe（502）One end, spiral shell
Rotation pusher is placed in collection sandpipe（502）Interior, pump（501）Outfan be connected with screw feeder.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108643879A (en) * | 2018-05-08 | 2018-10-12 | 中国石油大学(华东) | A kind of underwater desanding device |
| CN108716361A (en) * | 2018-06-06 | 2018-10-30 | 西南石油大学 | A kind of ocean gas hydrate original position Dynamic Separation backfilling apparatus |
| CN109403944A (en) * | 2018-12-06 | 2019-03-01 | 青岛海洋地质研究所 | A kind of hydrate mortar thickening separator and separation method |
| CN113323646A (en) * | 2021-08-04 | 2021-08-31 | 四川凌耘建科技有限公司 | High-pressure buffering sand separation device for wellhead of compact gas well |
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| CN108643879A (en) * | 2018-05-08 | 2018-10-12 | 中国石油大学(华东) | A kind of underwater desanding device |
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| CN108716361A (en) * | 2018-06-06 | 2018-10-30 | 西南石油大学 | A kind of ocean gas hydrate original position Dynamic Separation backfilling apparatus |
| CN109403944A (en) * | 2018-12-06 | 2019-03-01 | 青岛海洋地质研究所 | A kind of hydrate mortar thickening separator and separation method |
| CN113323646A (en) * | 2021-08-04 | 2021-08-31 | 四川凌耘建科技有限公司 | High-pressure buffering sand separation device for wellhead of compact gas well |
| CN113323646B (en) * | 2021-08-04 | 2021-12-14 | 四川凌耘建科技有限公司 | High-pressure buffering sand separation device for wellhead of compact gas well |
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| CN106499379B (en) | 2019-10-01 |
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