CN108869328A - Suitable for depressurizing the immersible pump of method exploitation combustible ice - Google Patents
Suitable for depressurizing the immersible pump of method exploitation combustible ice Download PDFInfo
- Publication number
- CN108869328A CN108869328A CN201810518208.0A CN201810518208A CN108869328A CN 108869328 A CN108869328 A CN 108869328A CN 201810518208 A CN201810518208 A CN 201810518208A CN 108869328 A CN108869328 A CN 108869328A
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- Prior art keywords
- electric machine
- machine casing
- intake valve
- rotor
- immersible pump
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Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 230000006837 decompression Effects 0.000 claims description 4
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 4
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 30
- 239000007788 liquid Substances 0.000 description 7
- 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
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
-
- 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
- F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
-
- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially 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
- H02K5/132—Submersible electric motors
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The immersible pump that the invention discloses a kind of suitable for depressurizing method exploitation combustible ice, includes electric machine casing, is mounted on the intracorporal motor of motor casing and is connected to the pump housing of electric machine casing and electric machine casing lower end；It is 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 immersible pump suitable for depressurizing 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 in that：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 is when the biggish seabed of depth uses（For example in the combustible ice exploitation in seabed, depth is more than 300 meters）, this kind
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 problem to be solved by the present invention is to：In view of the deficienciess of the prior art, provide one kind can guarantee it is close
Envelope effect and the immersible pump for being suitable for decompression method exploitation combustible ice being fixed conveniently.
Purpose to realize the present invention, is achieved using following technical scheme：It is flammable that one kind being suitable for the exploitation of decompression method
The immersible pump of ice includes electric machine casing, is mounted on the intracorporal motor of motor casing, and be connected to the pump of electric machine casing lower end
Body；The motor includes to be fixedly mounted on the intracorporal stator winding of motor casing, and be mounted in electric machine casing by bearing
And it is located at the rotor of stator winding inner circumferential；The rotor lower end is across electric machine casing and rotor and electric machine casing
Pass through sealing bearing connection between lower end；The electric machine casing 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；
The electric machine casing upper end is connected with upper housing, and gas generating unit, the electric machine casing are equipped in the upper housing
Upper end be welded with the intake valve of the metal material that one is vertically arranged；The gas generating unit is connect with intake valve；It is described
It is loaded with the mixture of potassium chlorate and manganese dioxide in gas generating unit, is equipped with outside the gas generating unit to heat
The heating device of gas generating unit, the heating device are electrically connected with the controller for being mounted on upper housing inner top；
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.
Preferably：It further include having remote controler, the controller includes to receive the wireless of remote controller signal
Electric receiving module.
Preferably：The electric machine casing outer wall is equipped with first pressure sensor module,InstituteIt states in electric machine casing
Second pressure sensor module is installed, the first pressure sensor module and second pressure sensor module respectively with control
Device is electrically connected by conducting wire or is electrically connected by radio；When the pressure value that the first pressure sensor module detects is big
In the pressure value that second pressure sensor module detects, controller controls heating device and starts work, until second pressure senses
After the pressure value that device module detects is greater than the pressure value that first pressure sensor module detects, controller controls heating device
Stop, then controlling heater fever blocks intake valve thoroughly the fusing of low-melting-point metal silk.
Preferably：The low-melting-point metal silk is scolding tin.
Preferably：The gas generating unit is canister, is equipped with temperature sensing in gas generating unit
Device, gas generating unit are coated with heat-insulating material；The temperature sensor is electrically connected with controller, in heater stop plus
Heat, and when temperature sensor detects temperature lower than set temperature, controller just starts heater and works.
Compared with prior art, the beneficial effects of the invention are as follows：Function there are two the motor tools of immersible pump 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.The gas
Body generating device is filled with gas during immersible pump dive in electric machine casing, and the sealing for reducing sealing position of bearings is wanted
It asks, and the gas of corresponding pressure value can be filled with according to the pressure value of the working depth position of immersible pump.
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, electric machine casing；11, stator winding；12, rotor；
2, upper housing；
3, the pump housing；31, go out liquid interface；32, impeller；321, the first ratchet assembly；33, support leg；
4, drilling rod；41, the second ratchet assembly；
5, gas generating unit；
6, heating device；
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, controller；
91, first pressure sensor module；92, second pressure sensor module.
Specific embodiment
Embodiment 1
According to Fig. 1 and Fig. 2, a kind of immersible pump suitable for depressurizing method exploitation combustible ice described in the present embodiment includes
Electric machine casing 1 is mounted on the intracorporal motor of motor casing, and is connected to the pump housing 3 of electric machine casing lower end；The motor includes
It is fixedly mounted on the intracorporal stator winding 11 of motor casing, and is mounted in electric machine casing and is located in stator winding by bearing
The rotor 12 in week；The rotor lower end is across electric machine casing and rotor and electric machine casing lower end by close
Seal bearing connection；The electric machine casing lower end is in infundibulate low between the senior middle school of periphery；The pump housing lower part is equipped with water inlet, described
Pump housing 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 be got into the rock stratum below immersible pump installation site by drilling rod（The rock stratum of combustible ice exploitation bottom）, 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.
The pump housing lower end is connected with multiple support legs 33, and the second ratchet assembly is between each support leg, in drilling rod
It pierces after the rock stratum of seabed, immersible pump is against on rock stratum by support leg, and drilling rod then guarantees immersible pump and is kept upright state.
Be located above electric machine casing in the electric machine casing and gas generating unit 5 be installed, the electric machine casing it is upper
End is welded with the intake valve 7 for the metal material that one is vertically arranged；The gas generating unit is connect with intake valve；The gas
It is loaded with the mixture of potassium chlorate and manganese dioxide in generating device, is equipped with outside the gas generating unit to heat gas
The heating device 6 of generating device, the heating device are electrically connected with the controller for being mounted on electric machine casing inner top.The heating
Device is ceramic heater or electromagnetic heater.When heating devices heat, potassium chlorate, which is decomposed, generates oxygen, and gas fills
Air pressure in setting gradually rises, and is filled in electric machine casing by intake valve.
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 electric machine casing outer wall is equipped with first pressure sensor module,InstituteIt states and second pressure is installed in electric machine casing
Sensor module, the first pressure sensor module 91 and second pressure sensor module 92 pass through conducting wire with controller respectively
It electrically connects or is electrically connected by radio；When the pressure value that the first pressure sensor module detects is greater than second pressure
The pressure value that sensor module detects, controller controls heating device and starts work, 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 stop, then
The fusing of low-melting-point metal silk blocks intake valve thoroughly by the fever of control heater.
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 electric machine casing before immersible pump installation
Body, then the sealing performance requirement for sealing position of bearings is very high, is otherwise difficult to avoid that high pressure gas leakage, once high pressure gas
Leakage, and is difficult to ensure the intracorporal air pressure of motor casing, and each immersible pump due to working environment it is different, pressure in locating water
Value is different, and it is just right to be also difficult to institute's inflatable body pressure for inflation in advance.Therefore in the electric machine casing of immersible pump in the present embodiment
The preset air accumulator filled with high pressure gas or liquefied gas of interior elder generation, to immersible pump dive to operating position during by air accumulator
Interior gas is gradually filled in electric machine casing.In addition, being heated to guarantee being absolutely sealed for electric machine casing top using heater
Scolding tin keeps intake valve completely enclosed, avoids leaking for gas molecule in electric machine casing.
In addition, pressure of the air pump in air accumulator be reduced to when pressure is suitable in electric machine casing, can be by air accumulator
Interior gas as much as possible continues to be filled in electric machine casing, the amount of gas storage needed for opposite reduction air accumulator.The air pump may be selected
Two-stage or the plunger pump of three-level pressurization.
The gas generating unit is canister, and canister inner wall is equipped with erosion resistant coating, installation in gas generating unit
There is temperature sensor, gas generating unit is coated with heat-insulating material；The temperature sensor is electrically connected with controller, is being heated
Device stops heating, and when temperature sensor detects temperature lower than set temperature, controller just starts heater and works.
Claims (3)
1. a kind of immersible pump suitable for depressurizing method exploitation combustible ice, includes electric machine casing, is mounted on the intracorporal electricity of motor casing
Machine, and it is connected to the pump housing of electric machine casing lower end；The motor includes to be fixedly mounted on the intracorporal stator winding of motor casing,
And the rotor in electric machine casing and being located at stator winding inner circumferential is mounted on by bearing；The rotor lower end passes through
Pass through sealing bearing connection between electric machine casing and rotor and electric machine casing lower end；The electric machine casing lower end is high in periphery
Intermediate low infundibulate；
It is characterized in that：
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；
The electric machine casing upper end is connected with upper housing, and gas generating unit, the electric machine casing are equipped in the upper housing
Upper end be welded with the intake valve of the metal material that one is vertically arranged；The gas generating unit is connect with intake valve；It is described
It is loaded with the mixture of potassium chlorate and manganese dioxide in gas generating unit, is equipped with outside the gas generating unit to heat
The heating device of gas generating unit, the heating device are electrically connected with the controller for being mounted on upper housing inner top；
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 electric machine casing outer wall is equipped with first pressure sensor module,InstituteIt states and second pressure sensing is installed in electric machine casing
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 heating device and starts work, until the pressure that second pressure sensor module detects
After value is greater than the pressure value that first pressure sensor module detects, controller controls heater stop, then control heating
The fusing of low-melting-point metal silk blocks intake valve thoroughly by device fever；
The gas generating unit is canister, is equipped with temperature sensor in gas generating unit, outside gas generating unit
It is coated with heat-insulating material；The temperature sensor is electrically connected with controller, is heated in heater stop, and temperature sensor is examined
When measuring temperature lower than set temperature, controller just starts heater work.
2. the immersible pump suitable for decompression method exploitation combustible ice as described in claim 1, it is characterised in that：It further include having remote control
Device, the controller include the radio reception module to receive remote controller signal.
3. the immersible pump suitable for decompression method exploitation combustible ice as claimed in claim 2, it is characterised in that：The low melting point gold
Category silk is scolding tin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518208.0A CN108869328A (en) | 2016-12-22 | 2016-12-22 | Suitable for depressurizing the immersible pump of method exploitation combustible ice |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194554.5A CN106499643B (en) | 2016-12-22 | 2016-12-22 | The immersible pump of combustible ice is exploited suitable for depressurizing method |
| CN201810518208.0A CN108869328A (en) | 2016-12-22 | 2016-12-22 | Suitable for depressurizing the immersible pump of method exploitation combustible ice |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611194554.5A Division CN106499643B (en) | 2016-12-22 | 2016-12-22 | The immersible pump of combustible ice is exploited suitable for depressurizing method |
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| CN108869328A true CN108869328A (en) | 2018-11-23 |
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| CN201810518208.0A Withdrawn CN108869328A (en) | 2016-12-22 | 2016-12-22 | Suitable for depressurizing the immersible pump of method exploitation combustible ice |
| CN201611194554.5A Active CN106499643B (en) | 2016-12-22 | 2016-12-22 | The immersible pump of combustible ice is exploited suitable for depressurizing method |
| CN201810518207.6A Withdrawn CN108708859A (en) | 2016-12-22 | 2016-12-22 | The immersible pump of combustible ice is exploited suitable for depressurizing method |
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| CN201810518207.6A Withdrawn CN108708859A (en) | 2016-12-22 | 2016-12-22 | The immersible pump of combustible ice is exploited suitable for depressurizing method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965299A (en) * | 2017-06-09 | 2018-04-27 | 杭州云蜂工业设计有限公司 | A kind of submarine surface combustible ice special shovel vehicle device |
| CN107965297A (en) * | 2017-06-09 | 2018-04-27 | 杭州云蜂工业设计有限公司 | A kind of special forklift of submarine surface combustible ice |
| CN108343377A (en) * | 2018-01-24 | 2018-07-31 | 庄燕双 | A kind of natural gas extraction digging apparatus |
| CN111585413B (en) * | 2020-07-01 | 2021-07-23 | 嵊州市非标链轮有限公司 | Special motor suitable for deepwater operation |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108708859A (en) | 2018-10-26 |
| CN106499643A (en) | 2017-03-15 |
| CN106499643B (en) | 2018-08-17 |
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