CN108953169A - A kind of immersible pump for exploiting combustible ice for depressurizing method - Google Patents
A kind of immersible pump for exploiting combustible ice for depressurizing method Download PDFInfo
- Publication number
- CN108953169A CN108953169A CN201810774044.8A CN201810774044A CN108953169A CN 108953169 A CN108953169 A CN 108953169A CN 201810774044 A CN201810774044 A CN 201810774044A CN 108953169 A CN108953169 A CN 108953169A
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- Prior art keywords
- seal closure
- rotor
- intake valve
- pressure sensor
- sensor module
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 15
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 206010037660 Pyrexia Diseases 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- 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
- E21B3/00—Rotary drilling
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of for depressurizing the immersible pump of method exploitation combustible ice, it include outer housing, it is mounted on the intracorporal stator winding of shell, it is mounted on the seal closure of the non-magnetic metal material of stator winding inner circumferential, it is mounted on the rotor in seal closure by bearing, and is connected to the pump housing of outer housing and seal closure lower end；Stator winding and rotor constitute a motor, are rotatably equipped with impeller in the pump housing, the first ratchet assembly is connected between impeller and the shaft of rotor；The shaft of rotor is passed down through the pump housing, and the lower end of shaft is connected with a drilling rod by the second ratchet assembly.Drilling rod can be driven to rotate when motor rotates clockwise, such immersible pump can be got into the rock stratum below immersible pump installation site by drilling rod, and the state that such immersible pump can be kept upright does not need additional fixation；When motor rotates counterclockwise, only impeller rotation keeps immersible pump in running order.
Description
Technical field
The invention belongs to water pump fields, and in particular to a kind of for depressurizing the immersible pump of method exploitation combustible ice.
Background technique
Document number be CN102195387B disclose a kind of sealing structure of immersible pump, including conventional structure form by turn
The liquid pump that the dragging motor that the stator of son and insertion winding is constituted is driven by its shaft, and be located at outermost anti-
Protect housing；It is characterized by: above-mentioned mover and the spindle portion above-mentioned liquid pump operating of driving and outside the liquid pump, are
It is surrounded by metal sealing Isolated Shield with stereogenic, also, the metal between the rotor and the stator is close
Envelope Isolated Shield should locally be served as using slim non-magnet material, moreover, the metal of the slim non-magnet material production is close
Envelope Isolated Shield be locally be arranged in be close to insertion winding stator inner ring circumferential location, moreover, metal sealing every
Electric machine shaft gland is provided in the bottom of back taper from cover；What described metal sealing Isolated Shield itself was related to has the gap all
It is to be realized by non-removable welding procedure.--- in the patent formula, since metal sealing Isolated Shield cover only exists
Lower end is endless totally enclosed with electric machine shaft gland position, so the immersible pump must keep state ability of the motor in upper liquid pump under
It can guarantee its sealing effect, therefore generally requiring could be used immersible pump fixing-stable position using fixing piece when in use, when
This kind of immersible pump (for example in the combustible ice exploitation in seabed, depth is more than 300 meters), this kind when the biggish seabed of depth uses
The fixation of immersible pump just has larger difficulty, and is difficult to reach the effect for keeping sealing performance for a long time using common immersible pump
Fruit.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the deficienciess of the prior art, provide one kind can guarantee it is close
Envelope effect and the immersible pump that combustible ice is exploited for depressurizing method being fixed conveniently.
Purpose to realize the present invention, is achieved using following technical scheme: one kind is for depressurizing method exploitation combustible ice
Immersible pump, include outer housing, be mounted on the intracorporal stator winding of shell, be mounted on the non-magnetic metal of stator winding inner circumferential
The seal closure of material is mounted on the rotor in seal closure by bearing, and is connected to outer housing and seal closure lower end
The pump housing；The stator winding and rotor constitute a motor, and the rotor lower end passes through seal closure and and seal closure
Pass through sealing bearing connection between lower end；The seal closure lower end is in infundibulate low between the senior middle school of periphery；
It is rotatably equipped with impeller in the pump housing, the first ratchet assembly is connected between the impeller and the shaft of rotor；
The shaft of the rotor is passed down through the pump housing, and the lower end of shaft is connected with one by the second ratchet assembly
Drilling rod；
The rotor drives drilling rod to rotate clockwise by the second ratchet assembly, and the rotor passes through the first ratchet group
Part driving impeller rotates backward.
Air accumulator, solenoid valve and air pump, institute are installed as a preferred solution: being located above seal closure in the outer housing
The upper end for stating seal closure is welded with the intake valve for the metal material that one is vertically arranged；The air accumulator, solenoid valve, air pump and into
Air valve is sequentially connected；The solenoid valve and air pump are electrically connected with the controller for being mounted on outer housing inner top respectively；
A horizontal seat board is formed in the intake valve, seat board intermediary form has air inlet, the seat board lower end
It is equipped with and seals the valve block to offset with seat board, the first spring is installed between the valve block lower end and intake valve lower end；It is described
It is located above the seat board in intake valve and an annular heater is installed；It is located at heater and valve block in the intake valve
Top, which is provided with, is wound into columned low-melting-point metal silk；It is located above low-melting-point metal silk in the intake valve and is equipped with one
To the compression valve block for being compacted the low-melting-point metal silk of fusing downwards, pacify between the compression valve block upper end and intake valve upper end
Equipped with a second spring；
The heater is electrically connected with controller.
As a preferred solution: the outer housing outer wall is equipped with first pressure sensor module,InstituteState installation in seal closure
There is second pressure sensor module, the first pressure sensor module and second pressure sensor module are logical with controller respectively
Conducting wire is crossed to electrically connect or electrically connect by radio；When the pressure value that the first pressure sensor module detects is greater than the
The pressure value that two pressure sensor modules detect, controller control solenoid valve and air pump start work simultaneously, until second pressure
After the pressure value that sensor module detects is greater than the pressure value that first pressure sensor module detects, controller control heating
The fusing of low-melting-point metal silk blocks intake valve thoroughly by device fever.
As a preferred solution: the low-melting-point metal silk is scolding tin.
Compared with prior art, the beneficial effects of the present invention are: the motor of immersible pump has there are two function in the present invention,
Drilling rod can be driven to rotate when motor rotates clockwise, such immersible pump can be got into below immersible pump installation site by drilling rod
In rock stratum, the state that such immersible pump can be kept upright does not need additional fixation；It is only driven when motor rotates counterclockwise
Wheel rotation keeps immersible pump in running order, and due to being provided with the second ratchet assembly, drilling rod will not be with wheel rotation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of air inlet valve portion.
1, stator winding；11, outer housing；
2, rotor；21, seal closure；
3, the pump housing；31, go out liquid interface；32, impeller；321, the first ratchet assembly；
4, drilling rod；41, the second ratchet assembly；
5, air accumulator；
6, air pump；
7, intake valve；70, seat board；71, valve block；711, the first spring；72, heater；73, low-melting-point metal silk；74, it compresses
Valve block；741, second spring；
8, solenoid valve；
9, controller.
Specific embodiment
Embodiment 1
According to Fig. 1, a kind of for depressurizing the immersible pump of method exploitation combustible ice described in the present embodiment, it include outer housing
11, it is mounted on the intracorporal stator winding 1 of shell, is mounted on the seal closure 21 of the non-magnetic metal material of stator winding inner circumferential, is led to
The rotor 2 that bearing is mounted in seal closure is crossed, and is connected to the pump housing 3 of outer housing and seal closure lower end；The stator
Winding and rotor constitute a motor, and the rotor lower end passes through close across seal closure and seal closure lower end
Seal bearing connection；The seal closure lower end is in infundibulate low between the senior middle school of periphery.The pump housing lower part is equipped with water inlet, the pump
Body side upper end is connected with out liquid interface 31, and liquid interface is for connecting liquid-transport pipe-line out.
It is rotatably equipped with impeller 32 in the pump housing, the first ratchet is connected between the impeller and the shaft of rotor
Component 321.
The shaft of the rotor is passed down through the pump housing, and the lower end of shaft is connected by the second ratchet assembly 41
There is a drilling rod 4.
The rotor drives drilling rod to rotate clockwise by the second ratchet assembly, and the rotor passes through the first spine
Wheel assembly driving impeller rotates backward.
There are two functions for the motor tool of immersible pump in the present invention, drilling rod can be driven to rotate when motor rotates clockwise, this
Sample immersible pump can get into the rock stratum below immersible pump installation site (rock stratum of combustible ice exploitation bottom) by drilling rod, in this way
The state that immersible pump can be kept upright does not need additional fixation；When motor rotates counterclockwise, only impeller rotation makes
Immersible pump is in running order, and due to being provided with the second ratchet assembly, drilling rod will not be with wheel rotation, it is ensured that the normal work of impeller
Make.
Embodiment 2
Referring to figs. 1 and 2, the present embodiment makes following improvement on the basis of embodiment 1: being located in the outer housing close
Air accumulator 5, solenoid valve 8 and air pump 6 are installed, the upper end of the seal closure is welded with the gold being vertically arranged above sealing cover
Belong to the intake valve 7 of material；The air accumulator, solenoid valve, air pump and intake valve are sequentially connected；The solenoid valve and air pump respectively with
The controller 9 for being mounted on outer housing inner top electrically connects.
A horizontal seat board 70 is formed in the intake valve 7, seat board intermediary form has air inlet, the valve seat
Plate lower end, which is equipped with, seals the valve block 71 to offset with seat board, is equipped with the first bullet between the valve block lower end and intake valve lower end
Spring 711；It is located above the seat board in the intake valve and an annular heater 72 is installed；It is located in the intake valve
It is provided with above heater and valve block and is wound into columned low-melting-point metal silk 73；It is located at low-melting-point metal in the intake valve
Silk top be equipped with a compression valve block 74 the low-melting-point metal silk of fusing to be compacted downwards, the compressions valve block upper end and
One second spring 741 is installed between intake valve upper end.
The heater is electrically connected with controller.The heater is electromagnetic heater.
The outer housing outer wall is equipped with first pressure sensor module,InstituteIt states and second pressure sensing is installed in seal closure
Device module, the first pressure sensor module and second pressure sensor module electrically connected respectively with controller by conducting wire or
Person is electrically connected by radio；When the pressure value that the first pressure sensor module detects is greater than second pressure sensor die
The pressure value that block detects, controller control solenoid valve and air pump start work simultaneously, until second pressure sensor module detects
To pressure value be greater than the pressure value that detects of first pressure sensor module after, controller controls heater fever for low melting point
Wire fusing blocks intake valve thoroughly.
The controller can be SCM system, and controller is accompanied with battery and powers for it.The controller is furnished with
Reception of wireless signals module can start work by remote control control controller.
The low-melting-point metal silk is scolding tin.The valve block is preferably heat resistant rubber, in melts soldering tin and will be on seat board
Air inlet it is completely enclosed during, it is ensured that the sealing performance between valve block and seat board.More preferably in valve block upper surface pair
The position of air inlet is answered to connect one layer of heat insulation layer.
Since the working depth of immersible pump is larger, if being first filled with high pressure gas in seal closure before immersible pump installation,
The sealing performance requirement for then sealing position of bearings is very high, is otherwise difficult to avoid that high pressure gas leakage, once high pressure gas is let out
Leakage, and is difficult to ensure the air pressure in seal closure, and each immersible pump due to working environment it is different, the pressure value in locating water is not
Together, it is just right to be also difficult to institute's inflatable body pressure for inflation in advance.Therefore it is first pre- in the outer housing of immersible pump in the present embodiment
Set the air accumulator filled with high pressure gas or liquefied gas, to immersible pump dive to operating position during by the gas in air accumulator
Body is gradually filled in seal closure.In addition, making air inlet using heater heating scolding tin to guarantee being absolutely sealed for seal closure top
Valve is completely enclosed, avoids leaking for gas molecule in seal closure.
In addition, when pressure of the air pump in air accumulator is reduced to suitable with sealing internal mask pressure, it can will be in air accumulator
Gas as much as possible continues to be filled in seal closure, the amount of gas storage needed for opposite reduction air accumulator.Two-stage may be selected in the air pump
Or the plunger pump of three-level pressurization.
Embodiment 3
Referring to figs. 1 and 2, the present embodiment makes following improvement on the basis of embodiment 1: being located in the outer housing close
Air accumulator 5 and solenoid valve 8 are installed, the upper end of the seal closure is welded with the metal material being vertically arranged above sealing cover
Intake valve 7；The air accumulator, solenoid valve and intake valve are sequentially connected；The solenoid valve and it is mounted on outer housing inner top
Controller 9 electrically connects.
A horizontal seat board 70 is formed in the intake valve 7, seat board intermediary form has air inlet, the valve seat
Plate lower end, which is equipped with, seals the valve block 71 to offset with seat board, is equipped with the first bullet between the valve block lower end and intake valve lower end
Spring 711；It is located above the seat board in the intake valve and an annular heater 72 is installed；It is located in the intake valve
It is provided with above heater and valve block and is wound into columned low-melting-point metal silk 73；It is located at low-melting-point metal in the intake valve
Silk top be equipped with a compression valve block 74 the low-melting-point metal silk of fusing to be compacted downwards, the compressions valve block upper end and
One second spring 741 is installed between intake valve upper end.
The heater is electrically connected with controller.The heater is electromagnetic heater.
The outer housing outer wall is equipped with first pressure sensor module,InstituteIt states and second pressure sensing is installed in seal closure
Device module, the first pressure sensor module and second pressure sensor module electrically connected respectively with controller by conducting wire or
Person is electrically connected by radio；When the pressure value that the first pressure sensor module detects is greater than second pressure sensor die
The pressure value that block detects, controller controls solenoid valve and opens, until the pressure value that second pressure sensor module detects is greater than
After the pressure value that first pressure sensor module detects, controller control heater fever by low-melting-point metal silk fusing make into
Air valve is thoroughly blocked.
Compared to embodiment 2, this embodiment reduces air pumps, and component is few, manufacture convenient for assembly, but gas storage needed for air accumulator
Amount is slightly more compared to embodiment 2.
Claims (1)
1. a kind of immersible pump that combustible ice is exploited for depressurizing method, includes outer housing, is mounted on the intracorporal stator winding of shell,
It is mounted on the seal closure of the non-magnetic metal material of stator winding inner circumferential, the rotor in seal closure is mounted on by bearing,
And it is connected to the pump housing of outer housing and seal closure lower end；The stator winding and rotor constitute a motor, the electricity
Machine rotor lower end is connect across seal closure and by sealing bearing seal closure lower end；The seal closure lower end is high in periphery
Intermediate low infundibulate；
It is characterized by:
It is rotatably equipped with impeller in the pump housing, the first ratchet assembly is connected between the impeller and the shaft of rotor；
The shaft of the rotor is passed down through the pump housing, and the lower end of shaft is connected with one by the second ratchet assembly
Drilling rod；
The rotor drives drilling rod to rotate clockwise by the second ratchet assembly, and the rotor passes through the first ratchet group
Part driving impeller rotates backward；
It is located above seal closure in the outer housing and air accumulator and solenoid valve is installed, the upper end of the seal closure is welded with one
The intake valve of a metal material being vertically arranged；The air accumulator, solenoid valve and intake valve are sequentially connected；The solenoid valve and peace
Controller mounted in outer housing inner top electrically connects；
A horizontal seat board is formed in the intake valve, seat board intermediary form has air inlet, the seat board lower end
It is equipped with and seals the valve block to offset with seat board, the first spring is installed between the valve block lower end and intake valve lower end；It is described
It is located above the seat board in intake valve and an annular heater is installed；It is located at heater and valve block in the intake valve
Top, which is provided with, is wound into columned low-melting-point metal silk；It is located above low-melting-point metal silk in the intake valve and is equipped with one
To the compression valve block for being compacted the low-melting-point metal silk of fusing downwards, pacify between the compression valve block upper end and intake valve upper end
Equipped with a second spring；
The heater is electrically connected with controller；
The heater is electromagnetic heater；
The outer housing outer wall is equipped with first pressure sensor module,InstituteIt states and second pressure sensor die is installed in seal closure
Block, the first pressure sensor module and second pressure sensor module are electrically connected or are led to by conducting wire with controller respectively
Radio is crossed to electrically connect；When the pressure value that the first pressure sensor module detects is examined greater than second pressure sensor module
The pressure value measured, controller control solenoid valve and open, until the pressure value that second pressure sensor module detects is greater than first
After the pressure value that pressure sensor module detects, the fusing of low-melting-point metal silk is made intake valve by controller control heater fever
Thoroughly blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774044.8A CN108953169A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194539.0A CN106704209B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for depressurizing method exploitation combustible ice |
| CN201810774044.8A CN108953169A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611194539.0A Division CN106704209B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for depressurizing method exploitation combustible ice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953169A true CN108953169A (en) | 2018-12-07 |
Family
ID=58938700
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611194539.0A Active CN106704209B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for depressurizing method exploitation combustible ice |
| CN201810774045.2A Withdrawn CN108953170A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
| CN201810774044.8A Withdrawn CN108953169A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611194539.0A Active CN106704209B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for depressurizing method exploitation combustible ice |
| CN201810774045.2A Withdrawn CN108953170A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
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| CN (3) | CN106704209B (en) |
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| CN105134616A (en) * | 2015-07-22 | 2015-12-09 | 上海要要玖消防科技有限公司 | Air pressure protection type immersible pump |
| CN105351210A (en) * | 2015-12-15 | 2016-02-24 | 河北潜达特种泵业有限公司 | Feeding packing auger type submersible mud pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4426367B2 (en) * | 2004-04-30 | 2010-03-03 | 三井造船株式会社 | Gas hydrate marine transportation method and gas hydrate marine transportation ship |
| WO2007072172A1 (en) * | 2005-12-20 | 2007-06-28 | Schlumberger Technology B.V. | Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates |
| CN1944950A (en) * | 2006-08-09 | 2007-04-11 | 中国石油大学(华东) | Method for recovering sea bottom hydrate by underwell gas and water separation and back injection |
| CN102788026B (en) * | 2011-05-16 | 2015-07-08 | 梁嘉麟 | Anti-leaking sealing method of full-sealing liquid pump of with detachable motor stator during operation |
| CN203604218U (en) * | 2013-11-22 | 2014-05-21 | 天津市华海通钢铁有限公司 | Immersible pump |
-
2016
- 2016-12-22 CN CN201611194539.0A patent/CN106704209B/en active Active
- 2016-12-22 CN CN201810774045.2A patent/CN108953170A/en not_active Withdrawn
- 2016-12-22 CN CN201810774044.8A patent/CN108953169A/en not_active Withdrawn
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| US4123858A (en) * | 1971-07-06 | 1978-11-07 | Batchelder George W | Versatile submersible device for dredging or other underwater functions |
| JPS4949401A (en) * | 1972-09-14 | 1974-05-14 | ||
| JPS5391401A (en) * | 1977-01-24 | 1978-08-11 | Shibaura Eng Works Ltd | Underwater pump |
| SU987188A1 (en) * | 1981-07-06 | 1983-01-07 | Мордовский государственный университет им.Н.П.Огарева | Auger pump for pumping viscous media |
| JPH0339527A (en) * | 1989-07-05 | 1991-02-20 | Toa Harbor Works Co Ltd | Dredging device |
| CN1393605A (en) * | 2001-06-29 | 2003-01-29 | 东洋电机工业所股份有限公司 | Remover for sand and soil |
| CN105134616A (en) * | 2015-07-22 | 2015-12-09 | 上海要要玖消防科技有限公司 | Air pressure protection type immersible pump |
| CN105351210A (en) * | 2015-12-15 | 2016-02-24 | 河北潜达特种泵业有限公司 | Feeding packing auger type submersible mud pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953170A (en) | 2018-12-07 |
| CN106704209A (en) | 2017-05-24 |
| CN106704209B (en) | 2018-09-04 |
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Application publication date: 20181207 |