CN106545297A - A kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure - Google Patents
A kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure Download PDFInfo
- Publication number
- CN106545297A CN106545297A CN201611194540.3A CN201611194540A CN106545297A CN 106545297 A CN106545297 A CN 106545297A CN 201611194540 A CN201611194540 A CN 201611194540A CN 106545297 A CN106545297 A CN 106545297A
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- China
- Prior art keywords
- electric machine
- machine casing
- pump
- intake valve
- immersible pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 210000002683 foot Anatomy 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000005496 eutectics 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
- 239000011435 rock Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 150000002739 metals Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
- E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors
-
- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
-
- 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
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure, includes electric machine casing, motor in electric machine casing and the pump housing of electric machine casing and electric machine casing lower end is connected to;It is rotatablely equipped with the pump housing between the rotating shaft of impeller, impeller and rotor and is connected with the first ratchet assembly;The rotating shaft of rotor is passed down through the pump housing, and the lower end of rotating shaft is connected with a drilling rod by the second ratchet assembly.Drilling rod can be driven when motor is rotated clockwise to rotate, such immersible pump can get within the rock below immersible pump installation site, the state that such immersible pump can be kept upright, it is not necessary to extra fixation by drilling rod;The only impeller rotation when motor is rotated counterclockwise makes immersible pump in running order.
Description
Technical field
The invention belongs to water pump field, and in particular to a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure.
Background technology
Document number discloses a kind of sealing structure of immersible pump for CN102195387B, including conventional structure form by turning
The liquid pump that the dragging motor that the sub stator with embedded winding is constituted is driven by its rotating shaft, and be located at outermost anti-
Shield overcoat;It is characterized in that:Spindle portion that above-mentioned mover and the above-mentioned liquid pump of driving operate and outside the liquid pump, be
It is cingens with stereogenic by metal sealing Isolated Shield also, close for the metal between the rotor and the stator
Envelope Isolated Shield local should be served as using slim non-magnet material, and, the metal that the slim non-magnet material makes is close
The inner ring circumferential location of the stator that envelope Isolated Shield local is provided in being close to embedded winding, and, metal sealing every
Electric machine shaft gland is provided with from bottom of the cover in back taper;All gaps that described metal sealing Isolated Shield is related in itself are all
Realized by non-removable welding procedure.--- in the patent formula, as metal sealing Isolated Shield cover only exists
Lower end is not exclusively closing with electric machine shaft gland position, so the immersible pump must keep state of the motor in upper liquid pump under
Its sealing effectiveness is can guarantee that, therefore is generally required when in use and immersible pump fixing-stable position could be used using fixture, when
This kind of immersible pump is when the larger seabed of depth uses(Such as when the combustible ice in seabed is exploited, depth is more than 300 meters), this kind
The fixation of immersible pump just has larger difficulty, and is difficult to reach using common immersible pump the effect for keeping sealing property for a long time
Really.
The content of the invention
The technical problem to be solved is:In view of the shortcomings of the prior art, there is provided one kind ensure that close
Envelope effect and the immersible pump that combustible ice is exploited for the method that reduces pressure being fixed conveniently.
To realize the purpose of the present invention, employ the following technical solutions and be achieved:A kind of decompression method that is applied to exploits flammable
The immersible pump of ice, includes electric machine casing, the motor in electric machine casing, and is connected to the pump of electric machine casing lower end
Body;The motor includes the stator winding being fixedly mounted in electric machine casing, and is arranged in electric machine casing by bearing
And positioned at the rotor of nail winding inner circumferential;The rotor lower end passes through electric machine casing and rotor and electric machine casing
Connected by sealed bearings between lower end;The electric machine casing lower end is in infundibulate low between the senior middle school of periphery;
Impeller is rotatablely equipped with the pump housing, the first ratchet assembly between the impeller and the rotating shaft of rotor, is connected with;
The rotating shaft of the rotor is passed down through the pump housing, and the lower end of rotating 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 drives impeller to rotate backward.
Preferably:The electric machine casing upper end is connected with a upper shell, the upper casing body and is located at motor casing
Air accumulator, magnetic valve and air pump are installed above body, the upper end of the electric machine casing is welded with a metal being vertically arranged
The intake valve of material;The air accumulator, magnetic valve, air pump and intake valve are sequentially connected;The magnetic valve and air pump respectively with peace
The controller for being mounted in electric machine casing inner top is electrically connected;
The seat board of a level is formed in the intake valve, seat board intermediary form has air admission hole, the seat board lower end
The valve block offseted with seat board sealing is installed, the first spring is installed between the valve block lower end and intake valve lower end;It is described
It is located in intake valve above the seat board and an annular heater is installed;Heater and valve block are located in the intake valve
Top is provided with and is wound into columned low-melting-point metal silk;It is located in the intake valve above low-melting-point metal silk and is provided with one
By the compression valve block of the low-melting-point metal silk of fusing compacting downwards, to 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:The electric machine casing or upper shell outer wall are provided with first pressure sensor assembly,InstituteState
Second pressure sensor assembly, the first pressure sensor assembly and second pressure sensor assembly are installed in electric machine casing
Electrically connected by wire or electrically connected by radio with controller respectively;When the first pressure sensor assembly is detected
The pressure value that detects more than second pressure sensor assembly of pressure value, controller control magnetic valve and air pump start work simultaneously
Make, after the pressure value detected more than first pressure sensor assembly to the pressure value that second pressure sensor assembly is detected,
The fusing of low-melting-point metal silk is made intake valve thoroughly be blocked by controller control heater heating.
Preferably:The low-melting-point metal silk is scolding tin.
Preferably:The pump housing lower end is located at and is connected with multiple support feets positioned at drilling rod periphery.
Compared with prior art, the invention has the beneficial effects as follows:In the present invention, the motor of immersible pump has two functions,
Drilling rod can be driven when motor is rotated clockwise to rotate, such immersible pump can be got into below immersible pump installation site by drilling rod
Within the rock, the state that such immersible pump can be kept upright, it is not necessary to extra fixation;Only drive when motor is rotated counterclockwise
Wheel rotation makes immersible pump in running order, and due to being provided with the second ratchet assembly, drilling rod will not be with wheel rotation.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of air inlet valve portion.
1st, electric machine casing;11st, stator winding;12nd, rotor;
2nd, upper shell;
3rd, the pump housing;31st, go out liquid interface;32nd, impeller;321st, the first ratchet assembly;33rd, support feet;
4th, drilling rod;41st, the second ratchet assembly;
5th, air accumulator;
6th, air pump;
7th, intake valve;70th, seat board;71st, valve block;711st, the first spring;72nd, heater;73rd, low-melting-point metal silk;74th, compress
Valve block;741st, second spring;
8th, magnetic valve;
9th, controller.
Specific embodiment
Embodiment 1
According to Fig. 1, a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure described in the present embodiment includes motor casing
Body 1, the motor in electric machine casing, and it is connected to the pump housing 3 of electric machine casing lower end;The motor includes fixed peace
The stator winding 11 being mounted in electric machine casing, and be arranged in electric machine casing and positioned at the electricity of nail winding inner circumferential by bearing
Machine rotor 12;The rotor lower end passes through sealed bearings through electric machine casing and rotor and electric machine casing lower end
Connection;The electric machine casing lower end is in infundibulate low between the senior middle school of periphery;The pump housing bottom is provided with water inlet, the pump housing one
Side upper end is connected with out liquid interface 31, goes out liquid joint for connecting liquid-transport pipe-line.
Impeller 32 is rotatablely equipped with the pump housing, the first ratchet between the impeller and the rotating shaft of rotor, is connected with
Component 321.
The rotating shaft of the rotor is passed down through the pump housing, and the lower end of rotating 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 drives impeller to rotate backward.
In the present invention, the motor of immersible pump has two functions, drilling rod can be driven to rotate when motor is rotated clockwise, this
Sample immersible pump can get into the within the rock below immersible pump installation site by drilling rod(Combustible ice exploits the rock stratum of bottom), so
The state that immersible pump can be kept upright, it is not necessary to extra fixation;The only impeller rotation when motor is rotated counterclockwise 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 feets 33, and the second ratchet assembly is located between each support feet, in drilling rod
After piercing seabed rock stratum, immersible pump is against on rock stratum by support feet, and drilling rod then ensures immersible pump and is kept upright state.
Embodiment 2
With reference to shown in Fig. 1 and Fig. 2, the present embodiment makes following improvement on the basis of embodiment 1:The electric machine casing upper end connects
It is connected in a upper shell 2, the upper casing body to be located above electric machine casing and air accumulator 5, magnetic valve 8 and air pump 6, institute is installed
The upper end for stating electric machine casing is welded with the intake valve of a metal material being vertically arranged;The air accumulator, magnetic valve, air pump and
Intake valve is sequentially connected;The magnetic valve and air pump are electrically connected with the controller 9 installed in electric machine casing inner top respectively;
The seat board 70 of a level is formed in the intake valve 7, seat board intermediary form has air admission hole, under the seat board
End is provided with the valve block 71 offseted with seat board sealing, is provided with the first spring between the valve block lower end and intake valve lower end
711;It is located in the intake valve above the seat board and an annular heater 72 is installed;It is located in the intake valve and adds
It is provided with above hot device and valve block and is wound into columned low-melting-point metal silk 73;Low-melting-point metal silk is located in the intake valve
Top is provided with one to by the compression valve block 74 of the low-melting-point metal silk of fusing compacting downwards, described to compress valve block upper end and enter
One second spring 741 is installed between air valve upper end.
The heater is electrically connected with controller.The heater is electromagnetic heater.
The electric machine casing outer wall is provided with first pressure sensor assembly,InstituteState
Sensor assembly, the first pressure sensor assembly and second pressure sensor assembly pass through wire Electricity Federation with controller respectively
Connect or electrically connected by radio;When the pressure value that the first pressure sensor assembly is detected is sensed more than second pressure
The pressure value that device module is detected, controller control magnetic valve and air pump start work simultaneously, to second pressure sensor assembly
After the pressure value that the pressure value for detecting is detected more than first pressure sensor assembly, controller control heater heating will be low
The fusing of melting point metals silk makes intake valve thoroughly be blocked.
The controller can be SCM system, and controller is accompanied with battery for its power supply.The controller is furnished with
Reception of wireless signals module, can pass through remote control control controller startup work.
The low-melting-point metal silk is scolding tin.The valve block is preferably heat resistant rubber, in melts soldering tin and by seat board
Air admission hole it is completely enclosed during, it is ensured that the sealing property between valve block and seat board.More preferably in valve block upper surface pair
The position of air admission hole is answered to connect one layer of heat insulation layer.
Due to the working depth of immersible pump it is larger, if being first filled with high pressure gas toward in electric machine casing before immersible pump is installed
Body, then the sealing property requirement of sealed bearings position is very high, is otherwise difficult to avoid that high pressure gas leakage, once gases at high pressure
Leakage, the air pressure being difficult to ensure that in electric machine casing again, and each immersible pump are different due to working environment, the pressure in residing water
Value is different, and it is just right that inflation in advance is also difficult to institute's inflatable body pressure.Therefore in the present embodiment immersible pump electric machine casing
The preset air accumulator filled with gases at high pressure or liquid gas of interior elder generation, treat immersible pump dive to during operating position by air accumulator
Interior gas is gradually filled with electric machine casing.In addition, the positive confinement in order to ensure electric machine casing top, is heated using heater
Scolding tin completely encloses intake valve, it is to avoid in electric machine casing, gas molecule leaks.
Additionally, the air pump the pressure in air accumulator be reduced to in electric machine casing, pressure is suitable when, can be by air accumulator
Interior gas as much as possible continues to be filled with electric machine casing, the relative amount for reducing gas storage needed for air accumulator.The air pump may be selected
Two-stage or the plunger displacement pump of three-level supercharging.
Embodiment 3
With reference to shown in Fig. 1 and Fig. 2, the present embodiment makes following improvement on the basis of embodiment 1:The electric machine casing upper end connects
A upper shell 2 is connected to, the upper shell is provided with air accumulator 5 and magnetic valve 8, and the upper end of the electric machine casing is welded with one
The intake valve 7 of the metal material being vertically arranged;The air accumulator, magnetic valve and intake valve are sequentially connected;The magnetic valve and peace
The controller 9 for being mounted in upper shell inner top is electrically connected.
The seat board 70 of a level is formed in the intake valve 7, seat board intermediary form has air admission hole, the valve seat
Plate lower end is provided with the valve block 71 offseted with seat board sealing, is provided with the first bullet between the valve block lower end and intake valve lower end
Spring 711;It is located in the intake valve above the seat board 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;Low-melting-point metal is located in the intake valve
Silk top be provided with one to will fusing the compacting downwards of low-melting-point metal silk compression valve block 74, the compression valve block upper end with
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 provided with first pressure sensor assembly,InstituteState
Sensor assembly, the first pressure sensor assembly and second pressure sensor assembly pass through wire Electricity Federation with controller respectively
Connect or electrically connected by radio;When the pressure value that the first pressure sensor assembly is detected is sensed more than second pressure
The pressure value that device module is detected, controller control magnetic valve are opened, to the pressure value that second pressure sensor assembly is detected
After the pressure value detected more than first pressure sensor assembly, low-melting-point metal silk is melted by controller control heater heating
Intake valve is made thoroughly to be blocked.
Compared to embodiment 2, this embodiment reduces air pump, part is few, manufacture convenient for assembly, but gas storage needed for air accumulator
It is slightly many that amount compares embodiment 2.
Claims (5)
1. a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure, includes electric machine casing, the electricity in electric machine casing
Machine, and it is connected to the pump housing of electric machine casing lower end;The motor includes the stator winding being fixedly mounted in electric machine casing,
And be arranged in electric machine casing and positioned at the rotor of nail winding inner circumferential by bearing;The rotor lower end passes through
Connected by sealed bearings between electric machine casing and rotor and electric machine casing lower end;The electric machine casing lower end is high in periphery
Middle low infundibulate;
It is characterized in that:
Impeller is rotatablely equipped with the pump housing, the first ratchet assembly between the impeller and the rotating shaft of rotor, is connected with;
The rotating shaft of the rotor is passed down through the pump housing, and the lower end of rotating 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 drives impeller to rotate backward.
2. a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure as claimed in claim 1, it is characterised in that:The motor
Housing upper end is connected with a upper shell, be located in the upper casing body above electric machine casing be provided with air accumulator, magnetic valve and
Air pump, the upper end of the electric machine casing are welded with the intake valve of a metal material being vertically arranged;The air accumulator, electromagnetism
Valve, air pump and intake valve are sequentially connected;The magnetic valve and air pump are electric with the controller installed in electric machine casing inner top respectively
Connection;
The seat board of a level is formed in the intake valve, seat board intermediary form has air admission hole, the seat board lower end
The valve block offseted with seat board sealing is installed, the first spring is installed between the valve block lower end and intake valve lower end;It is described
It is located in intake valve above the seat board and an annular heater is installed;Heater and valve block are located in the intake valve
Top is provided with and is wound into columned low-melting-point metal silk;It is located in the intake valve above low-melting-point metal silk and is provided with one
By the compression valve block of the low-melting-point metal silk of fusing compacting downwards, to 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.
3. a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure as claimed in claim 2, it is characterised in that:The motor
Housing or upper shell outer wall are provided with first pressure sensor assembly,InstituteState
Module, the first pressure sensor assembly and second pressure sensor assembly electrically connected by wire with controller respectively or
Electrically connected by radio;When the pressure value that the first pressure sensor assembly is detected is more than second pressure sensor assembly
The pressure value for detecting, controller control magnetic valve and air pump start work simultaneously, detect to second pressure sensor assembly
The pressure value that detects more than first pressure sensor assembly of pressure value after, controller control heater heating is by low melting point gold
Category silk fusing makes intake valve thoroughly be blocked.
4. a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure as claimed in claim 2, it is characterised in that:The eutectic
Point wire is scolding tin.
5. a kind of immersible pump that combustible ice is exploited suitable for the method that reduces pressure as claimed in claim 1, it is characterised in that:The pump housing
Lower end is located at and is connected with multiple support feets positioned at drilling rod periphery.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611194540.3A CN106545297B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
CN201810116464.7A CN108317090A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
CN201810116471.7A CN108386369A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
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CN201810116464.7A Division CN108317090A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
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CN201810116464.7A Withdrawn CN108317090A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
CN201810116471.7A Withdrawn CN108386369A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
CN201611194540.3A Active CN106545297B (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
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CN201810116471.7A Withdrawn CN108386369A (en) | 2016-12-22 | 2016-12-22 | A kind of immersible pump suitable for decompression method exploitation combustible ice |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107165637A (en) * | 2017-06-09 | 2017-09-15 | 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 |
CN108843588A (en) * | 2018-06-19 | 2018-11-20 | 广东石油化工学院 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
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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 |
CN108843588A (en) * | 2018-06-19 | 2018-11-20 | 广东石油化工学院 | A kind of immersible pump for exploiting combustible ice for depressurizing method |
CN108843588B (en) * | 2018-06-19 | 2020-04-24 | 广东石油化工学院 | Submersible pump for exploiting combustible ice by pressure reduction method |
Also Published As
Publication number | Publication date |
---|---|
CN108317090A (en) | 2018-07-24 |
CN106545297B (en) | 2018-06-01 |
CN108386369A (en) | 2018-08-10 |
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Effective date of registration: 20201119 Address after: 239300 Chengdong Industrial Zone, Tianchang City, Chuzhou City, Anhui Province Patentee after: Anhui Xincheng Pump Valve Co.,Ltd. Address before: 317519, Taizhou City, Zhejiang province Wenling City North Street Ma Ma Village Patentee before: Li Feng |
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