Two-chamber liquid back and forth drives multi-phase pipeline device
Technical field
The utility model belongs to oil, gas blending transportation and natural gas well booster transportation apparatus field in the production of oil field, specifically
It is related to mixing defeated device under a kind of liquid, gas or liquid, gas multiphase flow admixture.
Background technique
Crude oil output object is mainly the mixture of Oil, Water, Gas, while also containing a small amount of silt, is a kind of multiphase mixing
Object.It is first to separate oil, gas and water, then conveyed respectively with oil pump, water pump, compressor that oilfield, which adopts defeated traditional handicraft, is existed
The disadvantages of process flow is complicated, and investment is big, operation and maintenance are difficult.
Multi-phase pipeline technology is a kind of pumping technology efficiently, economic developed in recent years, is domestic and international oil field
Adopt the development trend of transferring technology.It is pumped with a multi-phase pipeline, instead of infusion pump and gas compressor, is managed by one
Road, while conveying the oil containing the grains of sand, gas and water.Multi-phase pipeline pump is a kind of equipment dedicated for conveying blends of crudes,
Compared with partition method, he does not need to set up special separation equipment, saves a tube pass, is particularly suitable for blends of crudes
Long-distance sand transport., also in starting conceptual phase, mainly there is screw rod in China in terms of the exploitation of multi-phase pipeline pump product
The machinery rotating types multi-phase pipelines such as pump, slide type impeller pump pump, there is numerous technical problems, and require study solution, multiphase
Flow mixing transfusion pump relies primarily on import, consumes a large amount of foreign exchange funds, therefore researches and develops multi-phase pipeline pump to China's oil
Exploitation is of great significance to.
Machinery rotating type multi-phase pipeline pumps both at home and abroad at present, generally existing following technical problem:
1. the influence that high gassiness pumps multi-phase pipeline:
Machinery rotating type multi-phase pipeline pump belongs to clearance seal, needs partially liq when conveying gas to guarantee to pump
Sealing, lubrication and the cooling of chamber, at Gao Hanqi or slug stream mode, multi-phase pipeline pump can cause because lacking hydraulic seal
Pump efficiency declines to a great extent, or even is unable to run.
2. the influence that High water cut pumps multi-phase pipeline:
Oil, gas and water mixing are simultaneously uneven in multiphase flow, and in a high moisture state, water can will be between friction member each in pump chamber
Lubricating oil take away, such as rotor and side plate, screw rod and swivel nut, rotor bearing component, the unstable wear due to a lack of lubricating oil are made
At sintering damage in a short time.
3. the dynamic sealing problem of multi-phase pipeline pump:
Multi-phase pipeline pumps maximum sealing problem, is shaft end and pump chamber inner shaft dynamic sealing, what it was faced is one
A multiphase sealing problem.The sealing being not only under the conditions of pure liquid or pure gas, it is also contemplated that the sealing under high speed and speed change state
Problem.The sealing problem of multi-phase pipeline pump is the major issue of domestic and international multi-phase pipeline pump design studies.
4. the influence that load variations pump multi-phase pipeline:
The load and revolving speed of machinery rotating type multiphase pump can change with the variation of medium fluidised form, and high-speed rotating turn
Son exacerbates air-liquid separation again, generates bigger load variations, causes high vibration and the displacement of transmission shaft, or even fracture.
Utility model content
The purpose of this utility model aiming at defect of the existing technology, provide a kind of transfer tube always work in it is pure
The two-chamber liquid of liquid operating condition back and forth drives multi-phase pipeline device, realizes liquid, gas or liquid, gas mixing conveying.
The principles of the present invention are as follows: kinetic pump drives left tank, the liquid reciprocation cycle in right tank, makes left tank, right tank
It is alternatively formed the vacuum suck chamber and compression discharge chamber at kinetic pump import and export end, is realized mixed to liquid, gas or liquid, gas
Close being continuously conveyed for object;The liquid level signal of left tank, right tank is transferred to data acquisition control system by liquidometer;Data acquisition control
System changes according to the liquid level of left tank, right tank, controls the opening and closing of solenoid valve block or solenoid directional control valve, automatically switches dynamic
Power pumps import and export flow direction;Left tank, right tank upper inlet check valve, Outlet check valves, are controlled by left tank, right pressure inside the tank, are opened automatically
It opens and closes, realize the continuous sucking and discharge to transported medium.
Firstly, the utility model provides the technical solution that two-chamber liquid back and forth drives multi-phase pipeline device comprising electricity
The commutation of magnet valve group and solenoid directional control valve two kinds of forms of commutation, specific as follows:
First, the two-chamber liquid of solenoid valve block commutation back and forth drives the technical solution of multi-phase pipeline device as follows:
Including left tank, right tank, kinetic pump, data acquisition control system, solenoid valve block, unidirectional valve group and enters, exports remittance
Pipe;Wherein:
The left tank, right tank top be equipped with medium inlet and media outlet, and the medium inlet passes through entrance
Check valve is connect with the arrival manifold, and the media outlet passes through Outlet check valves and connect with the outlet header;
The left tank, right tank side wall top be equipped with circulation fluid entrance, lower part is equipped with circulation fluid outlet, and described
Inlet solenoid valve is respectively connected on circulation fluid entrance, circulation fluid is respectively connected with outlet solenoid valve in outlet;The kinetic pump enters
Mouth pipeline is equipped with branch and connect respectively with the outlet solenoid valve of the left tank, right tank, and the outlet line of the kinetic pump, which is equipped with, to be divided
Branch is connect with the inlet solenoid valve of the left tank, right tank respectively;
Liquidometer is mounted on the left tank, right tank, and the liquidometer passes through data line respectively and adopts with the data
Collect control system connection;The data acquisition control system passes through control line and the inlet solenoid valve, outlet solenoid valve respectively
Connection.
Second, the two-chamber liquid of solenoid directional control valve commutation back and forth drives the technical solution of multi-phase pipeline device as follows:
Including left tank, right tank, kinetic pump, data acquisition control system, solenoid directional control valve, unidirectional valve group and enters, exports
Header;Wherein:
The left tank, right tank top be equipped with medium inlet and media outlet, and the medium inlet passes through entrance
Check valve is connect with the arrival manifold, and the media outlet passes through Outlet check valves and connect with the outlet header;
The left tank, right tank side wall on be equipped with a circulation fluid entrance, the kinetic pump is changed by same electromagnetism
It is connect respectively with the circulation fluid entrance of left tank, right tank to valve;
Liquidometer is mounted on the left tank, right tank, and the liquidometer passes through data line respectively and adopts with the data
Collect control system connection;The data acquisition control system is connect by control line with the solenoid directional control valve.
Further, in solenoid directional control valve reversing mode: the left tank, right tank circulation fluid entrance respectively with the electricity
The A mouth of magnetic reversal valve, B mouthfuls of connections, the entrance of the kinetic pump, outlet are connect with the T of solenoid directional control valve mouth, P mouthfuls respectively.
Further, in solenoid valve block commutation and solenoid directional control valve commutation two ways:
The left tank, right tank bottom be equipped with sewage draining exit, and blowdown valve is installed on the sewage draining exit.
The induction end of the liquidometer is connect with the level sensing mouth of the left tank, right tank lower part respectively, end of ventilating is distinguished
It is connected with the media outlet of the left tank, right tank top.
Then, providing a kind of above-mentioned two-chamber liquid of application back and forth drives multi-phase pipeline device to convey liquid, gas mixing
The method of medium, specific as follows similarly and including solenoid valve block commutation and solenoid directional control valve two kinds of forms of commutation:
First, the two-chamber liquid of solenoid valve block commutation back and forth drives multi-phase pipeline device conveying liquid, gas mixing to be situated between
The method of matter, includes the following steps:
(1) multi-phase pipeline device is back and forth driven to be installed in series and flowing by arrival manifold, outlet header two-chamber liquid
On body multiphase pipeline;Liquid, gas mixing medium successively flow into left tank through arrival manifold, inlet one-way valve and medium inlet simultaneously
In right tank;Gas in left tank, right tank is successively through media outlet, Outlet check valves and outlet header discharge;
(2) when liquid level reaches preset top dead center position in left tank and right tank, liquidometer transmits liquid level signal
To data acquisition control system, data acquisition control system issues control instruction according to liquid level signal: closing the entrance on left tank
Outlet solenoid valve on solenoid valve and right tank opens simultaneously the inlet solenoid valve on the outlet solenoid valve and right tank on left tank;
(3) start kinetic pump, the liquid in left tank is discharged into right tank under the action of kinetic pump, entirely mixes at defeated device
In the state of the sucking of left tank, the discharge of right tank;
(4) under the action of kinetic pump entrance negative pressure, the liquid level in left tank is begun to decline, and vacuum is formed at left tank top,
Inlet one-way valve is opened, Outlet check valves are closed, and liquid, gas blending agent be inhaled into left tank through medium inlet, blending agent into
Liquid, gas separation, air accumulation are moved downward in left tank top, liquid with liquid level after entering in left tank;In power pump discharge positive pressure
Under the action of, the liquid level in right tank rises, and inlet one-way valve is closed, Outlet check valves are opened, and the liquid in right tank is through medium
Outlet is discharged into outlet header;
(5) when the liquid level in left tank drops to preset bottom dead center position, liquid level signal is transferred to by liquidometer
Data acquisition control system, data acquisition control system issue control instruction according to liquid level signal: closing the electricity of the outlet on left tank
Inlet solenoid valve on magnet valve and right tank opens simultaneously the outlet solenoid valve on the inlet solenoid valve and right tank on left tank;
(6) liquid under the action of kinetic pump in right tank is discharged into left tank, entirely mix defeated device be in left tank discharge,
Right tank suction condition;
(7) under the action of kinetic pump entrance negative pressure, the liquid level in right tank is begun to decline, and vacuum is formed at right tank top,
Inlet one-way valve is opened, Outlet check valves are closed, and liquid, gas blending agent be inhaled into right tank through medium inlet, blending agent into
After entering in right tank, liquid, gas separation, air accumulation are moved downward in right tank top, liquid with liquid level;In power pump discharge positive pressure
Under the action of, the liquid level in left tank rises, and inlet one-way valve is closed, Outlet check valves are opened, the gas and liquid in left tank
Outlet header is discharged into through media outlet;
(8) when the liquid level in right tank drops to preset bottom dead center position, liquid level signal is transferred to by liquidometer
Data acquisition control system, data acquisition control system issue control instruction according to liquid level signal: closing the entrance electricity on left tank
Outlet solenoid valve on magnet valve and right tank opens simultaneously the inlet solenoid valve on the outlet solenoid valve and right tank on left tank;
(9) under the action of kinetic pump, the liquid in left tank is discharged into right tank;It entirely mixes defeated device and is in left tank suction again
Enter, right tank discharge state;
(10) above-mentioned movement is repeated, two pot liquids back and forth drive, and the alternately sucking, discharge of two tanks realizes liquid, gas
Blending transportation.
Second, the two-chamber liquid of solenoid directional control valve commutation back and forth drives multi-phase pipeline device to convey liquid, gas mixing
The method of medium, step is consistent with the mode that solenoid valve block commutates, only with solenoid directional control valve replace inlet solenoid valve therein,
Outlet solenoid valve realizes that switching kinetic pump inlet and outlet flow to function.
Finally, providing a kind of side for back and forth driving multi-phase pipeline device conveying gas medium using above-mentioned two-chamber liquid
Method, specific as follows similarly and including solenoid valve block commutation and solenoid directional control valve two kinds of forms of commutation:
First, the method that the two-chamber liquid of solenoid valve block commutation back and forth drives multi-phase pipeline device conveying gas medium,
Include the following steps:
(1) arrival manifold of multi-phase pipeline device, outlet header is back and forth driven to be installed in series in gas two-chamber liquid
On conveyance conduit, circulating liquid will be full of in left tank in advance, will be controlled under the circulation fluid liquid level in right tank is in preset only
Point position;
(2) control instruction is issued by data acquisition control system: closed on the inlet solenoid valve on left tank and right tank
Outlet solenoid valve opens simultaneously the inlet solenoid valve on the outlet solenoid valve and right tank on left tank;
(3) start kinetic pump, the liquid in left tank is discharged into right tank under the action of kinetic pump, entirely mixes at defeated device
Discharge state is compressed in left tank vacuum suck, right tank;
(4) under the effect of kinetic pump entrance negative pressure, the liquid level in left tank is begun to decline, and vacuum is formed at left tank top, is entered
Mouth check valve is opened, Outlet check valves are closed, and gas medium is inhaled into left tank through medium inlet;Make in power pump discharge positive pressure
Under, the liquid level in right tank rises, and inlet one-way valve is closed, Outlet check valves are opened, and the gas of right tank top is by liquid level pressure
Contracting, is discharged into outlet header through media outlet;
(5) when the liquid level in right tank reaches preset top dead center position, the gas of tank inner top is compressed by liquid level,
All discharges;Liquid level reaches preset bottom dead center position simultaneously in left tank, and tank inner top is full of the gas medium being inhaled into;
Liquid level signal is transferred to data acquisition control system by liquidometer, and data acquisition control system issues control according to liquid level signal and refers to
It enables: closing the inlet solenoid valve on the outlet solenoid valve on left tank and right tank, open simultaneously the inlet solenoid valve on left tank and the right side
Outlet solenoid valve on tank;
(6) under the action of kinetic pump, the liquid in right tank is discharged into left tank, is entirely mixed defeated device and is in the compression of left tank
Discharge, right tank vacuum suck state;
(7) under the action of kinetic pump entrance negative pressure, the liquid level in right tank is begun to decline, and vacuum is formed at right tank top,
Inlet one-way valve is opened, Outlet check valves are closed, and gas medium is inhaled into right tank through medium inlet, is gathered in right tank top;
Under the action of power pump discharge positive pressure, the liquid level in left tank rises, and inlet one-way valve is closed, Outlet check valves are opened, left
The gas of tank top, the liquid compression being raised are discharged into outlet header through media outlet;
(8) when the liquid level in left tank reaches top dead center position, the gas of tank inner top is compressed by liquid level, is all discharged;
Liquid level in right tank reaches bottom dead center position simultaneously, and tank inner top is full of the gas medium being inhaled into, and liquidometer is by liquid level signal
It is transferred to data acquisition control system, data acquisition control system issues control instruction: closing on left tank according to liquid level signal
Outlet solenoid valve on inlet solenoid valve and right tank opens simultaneously the entrance electromagnetism on the outlet solenoid valve and right tank on left tank
Valve;
(9) liquid in left tank is discharged into right tank under the action of kinetic pump, and entirely mixing defeated device, to be in left tank again true
Suction enters, right tank compresses discharge state;
(10) above-mentioned movement is repeated, two pot liquids back and forth drive, and two tanks replace vacuum suck, compression discharge, realize
Gas medium is continuously conveyed.
Second, the two-chamber liquid of solenoid directional control valve commutation back and forth drives the side of multi-phase pipeline device conveying gas medium
Method, step is consistent with the mode that solenoid valve block commutates, only with solenoid directional control valve substitution inlet solenoid valve therein, outlet electromagnetism
Valve realizes that switching kinetic pump inlet and outlet flow to function.
Compared with prior art, having the advantage that
(1) the vacuum suck chamber and compression discharge chamber being alternatively formed using two tanks, the suction chamber as multi-phase pipeline pump
It is discharged outside the tank by liquid compression, kinetic pump always works in pure with room is discharged after the gas in liquid vapour mixture separates in tank
Liquid operating condition is eliminated influence problem of the high gassiness to pump, the blending transportation of multiphase flow can be realized using common water pump, very
To the vacuum pump and compressor continuous operation that can be used as pure gas, it is multi-phase pipeline technical field, provides new technology
Method and R&D direction.
(2) structural principle is simple, and the liquid level of raising and lowering, plays the role of power piston in two tanks, and machine is not present
The driving of tool sealing and lubrication problem, liquid level uses common water pump, without the complexity of machinery rotating type multi-phase pipeline pump
Structure solves the problems, such as influence of the High water cut to pump.
(3) transfer tube always works in neat liquid operating condition, using common mechanical seal, solves multi-phase pipeline
The multiphase of pump seals problem.
(4) transfer tube always works in neat liquid operating condition, and there is no because loading variation caused by medium change of flow state.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that two-chamber liquid in the utility model embodiment 1 back and forth drives multi-phase pipeline device;
Fig. 2 is the structural schematic diagram that two-chamber liquid in the utility model embodiment 2 back and forth drives multi-phase pipeline device;
In figure: 1, left tank, 1-1 first circulation liquid entrance, 1-2, the outlet of first circulation liquid, 1-3, first medium entrance, 1-
4, first medium exports, 1-5, the first level sensing mouth, 1-6, the first sewage draining exit, 1-7, first entrance solenoid valve, 1-8, first
Outlet solenoid valve, 1-9, first entrance check valve, 1-10, first outlet check valve, 1-11, the first blowdown valve, 1-12, the first liquid
Position meter, 1-13, the first communicating pipe, 1-14, first circulation liquid entrance;2, right tank, 2-1, second circulation liquid entrance, 2-2, second
Circulation fluid outlet, 2-3, second medium entrance, 2-4, second medium outlet, 2-5, the second level sensing mouth, 2-6, the second blowdown
Mouthful, 2-7, second entrance solenoid valve, 2-8, second outlet solenoid valve, 2-9, second entrance check valve, 2-10, second outlet are unidirectional
Valve, 2-11, the second blowdown valve, 2-12, second liquid level gauge, 2-13, the second communicating pipe, 2-14, second circulation liquid entrance;3, it moves
Power pump;4, data acquisition control system;5, arrival manifold;6, header is exported;7, solenoid directional control valve.
Specific embodiment
Embodiment 1
Referring to Fig.1, a kind of two-chamber liquid back and forth drives multi-phase pipeline device, including left tank 1, right tank 2, kinetic pump 3, number
According to acquisition control system 4, solenoid valve block, unidirectional valve group and arrival manifold 5, outlet header 6;Wherein:
Left tank 1, right tank 2 top be equipped with medium inlet and media outlet, i.e. first medium entrance 1-3, second medium
Entrance 2-3, first medium outlet 1-4, second medium export 2-4;First medium entrance 1-3, second medium entrance 2-3 lead to respectively
Cross first entrance check valve 1-9, second entrance check valve 2-9 is connect with arrival manifold 5;First medium exports 1-4, second medium
Outlet 2-4 passes through first outlet check valve 1-10, second outlet check valve 2-10 respectively and connect with outlet header 6.
Left tank 1, right tank 2 side wall top be equipped with circulation fluid entrance, lower part be equipped with circulation fluid outlet, i.e., first follows
Ring liquid entrance 1-1, second circulation liquid entrance 2-1, first circulation liquid outlet 1-2, second circulation liquid export 2-2;First circulation liquid
It is connected with first entrance solenoid valve 1-7 on entrance 1-1, is connected with first outlet solenoid valve 1-8 on first circulation liquid outlet 1-2,
It is connected with second entrance solenoid valve 2-7 on second circulation liquid entrance 2-1, is connected with second outlet on second circulation liquid outlet 2-2
Solenoid valve 2-8.
The suction line of kinetic pump 3 is equipped with branch and goes out respectively with left tank 1, the first outlet solenoid valve 1-8 of right tank 2, second
Mouth solenoid valve 2-8 connection, the outlet line of kinetic pump 3 are equipped with the branch first entrance solenoid valve 1- with left tank 1, right tank 2 respectively
7, second entrance solenoid valve 2-7 connection.
It is separately installed with first liquid level gauge 1-12, second liquid level gauge 2-12 on left tank, right tank, and first liquid level gauge 1-12,
Second liquid level gauge 2-12 is connect with data acquisition control system 4 respectively by two paths of data line;Data acquisition control system passes through
Four road control lines respectively with first entrance solenoid valve 1-7, second entrance solenoid valve 2-7, first outlet solenoid valve 1-8 and second
Outlet solenoid valve 2-8 connection.I.e. data acquisition control system is by 4 road control lines, to control unlatching and the pass of each solenoid valve
It closes.
It includes two kinds of working conditions that above-mentioned two-chamber liquid, which back and forth drives multi-phase pipeline device, i.e., liquid, gas mixing are situated between
Matter multi-phase pipeline state and pure gas transport status, course of work difference are as follows:
1, liquid, gas mixing medium multi-phase pipeline state (mixing pump function):
Referring to Fig. 1, two-chamber liquid is back and forth driven to import header 5, the outlet header 6 of multi-phase pipeline device, series connection peace
On fluid multiphase pipeline, liquid, gas mixing medium through arrival manifold 5, inlet one-way valve (first entrance check valve 1-9,
Second entrance check valve 2-9), medium inlet (first medium entrance 1-3, second medium entrance 2-3), while flow into left tank 1,
In right tank 2.Gas in left tank 1, right tank 2 is through media outlet (first medium exports 1-4, and second medium exports 2-4), outlet
Check valve (first outlet check valve 1-10, second outlet check valve 2-10), outlet header 6 are discharged.
When liquid level in left tank 1, right tank 2, when reaching top dead center position (top of the tank), first liquid level gauge 1-12, the second liquid
Liquid level signal is transferred to data acquisition control system 4 by position meter 2-12, and data acquisition control system 4 is issued according to liquid level signal
Control instruction: first outlet solenoid valve 1-8, second entrance solenoid valve 2-7 solenoid valve are opened, first entrance solenoid valve 1-7, second
Outlet solenoid valve 2-8 solenoid valve is closed, and kinetic pump 3 is started.Liquid in left tank 1 follows under the action of kinetic pump 3 through first
Ring liquid exports 1-2, first outlet solenoid valve 1-8, kinetic pump 3, second entrance solenoid valve 2-7, second circulation liquid entrance 2-1, quilt
It is discharged into right tank 2.Two-chamber liquid back and forth drives multi-phase pipeline device, sucks in left tank 1, and state is discharged in right tank 2.In power
Under the action of pumping 3 entrance negative pressures, the liquid level in left tank 1 is begun to decline, and vacuum, first entrance check valve 1-9 are formed at left 1 top of tank
It opens, first outlet check valve 1-10 is closed, and liquid, gas blending agent are inhaled into left tank 1 through first medium entrance 1-3, is mixed
After medium enters in left tank 1, liquid, gas separation, air accumulation are moved downward in left 1 top of tank, liquid with liquid level.In kinetic pump
Under the action of 3 outlet positive pressures, the liquid level in right tank 2 rises, and second entrance check valve 2-9 is closed, second outlet check valve 2-10
It opens, the liquid in right tank 2 exports 2-4 through second medium, is discharged into outlet header 6.
Liquid level in left tank 1, when dropping to bottom dead center position (the half position of tank body), first liquid level gauge 1-12 will
Liquid level signal is transferred to data acquisition control system 4, and data acquisition control system 4 issues control instruction according to liquid level signal: the
One inlet solenoid valve 1-7, second outlet solenoid valve 2-8 are opened, and first outlet solenoid valve 1-8, second entrance solenoid valve 2-7 are closed
It closes, under the action of kinetic pump 3, liquid in right tank 2 exports 2-2, second outlet solenoid valve 2-8, power through second circulation liquid
3, first entrance solenoid valve 1-7, first circulation liquid entrance 1-1 are pumped, are discharged into left tank 1.Two-chamber liquid back and forth drives multiphase flow
Defeated device is mixed, is discharged in left tank 1, right 2 suction condition of tank.Liquid level under the action of 3 entrance negative pressure of kinetic pump, in right tank 2
It begins to decline, vacuum is formed at right 2 top of tank, and second entrance check valve 2-9 is opened, and second outlet check valve 2-10 is closed, liquid, gas
Blending agent is inhaled into right tank 2 through second medium entrance 2-3, after blending agent enters in right tank 2, liquid, gas separation, and gas
It is gathered in right 2 top of tank, liquid is moved downward with liquid level.Liquid level under the action of kinetic pump 3 exports positive pressure, in left tank 1
Rise, first entrance check valve 1-9 is closed, and first outlet check valve 1-10 is opened, the gas and liquid in left tank 1, through first
Media outlet 1-4 is discharged into outlet header 6.
Liquid level in right tank 2, when dropping to bottom dead center position, liquid level signal is transferred to number by second liquid level gauge 2-12
According to acquisition control system 4, data acquisition control system 4 issues control instruction according to liquid level signal: first outlet solenoid valve 1-8,
Second entrance solenoid valve 2-7 solenoid valve is opened, and first entrance solenoid valve 1-7, second outlet solenoid valve 2-8 solenoid valve are closed.It is left
Liquid in tank 1, under the action of kinetic pump 3, through first circulation liquid outlet 1-2, first outlet solenoid valve 1-8, kinetic pump 3,
Second entrance solenoid valve 2-7, second circulation liquid entrance 2-1, are discharged into right tank 2.Two-chamber liquid back and forth drives multi-phase pipeline
Device, and sucked in left tank 1, state is discharged in right tank 2.Above-mentioned movement is repeated, two pot liquids back and forth drive, and two tanks are alternately inhaled
Enter, be discharged, realizes the blending transportation of liquid, gas.
2, pure gas transport status: (vacuum pump, compressor work energy)
Referring to Fig. 1, two-chamber liquid is back and forth driven to import header 5, the outlet header 6 of multi-phase pipeline device, series connection peace
On gas transmission pipeline, circulating liquid, the circulation fluid in right tank 2 will be full of in left tank 1 in advance, liquid level is in lower dead center.
Control instruction: first outlet solenoid valve 1-8, second entrance solenoid valve 2-7 is issued by data acquisition control system 4
Solenoid valve is opened, and first entrance solenoid valve 1-7, second outlet solenoid valve 2-8 solenoid valve are closed, and starting kinetic pump 3 is run.Left tank
Liquid in 1, under the action of kinetic pump 3, through first circulation liquid outlet 1-2, first outlet solenoid valve 1-8, kinetic pump 3, the
Two inlet solenoid valve 2-7, second circulation liquid entrance 2-1, are discharged into right tank 2.Two-chamber liquid back and forth drives multi-phase pipeline to fill
It sets, is in left 1 vacuum suck of tank, right tank 2 compresses discharge state.Liquid level under the effect of 3 entrance negative pressure of kinetic pump, in left tank 1
It begins to decline, vacuum is formed at left 1 top of tank, and first entrance check valve 1-9 is opened, and first outlet check valve 1-10 is closed, gas
Medium enters 1-3 mouthfuls through first medium, is inhaled into left tank 1.In the case where kinetic pump 3 exports positive pressure, in the liquid level in right tank 2
It rises, second entrance check valve 2-9 is closed, and second outlet check valve 2-10 is opened, and the gas at right 2 top of tank is compressed by liquid level, is passed through
Second medium exports 2-4, is discharged into outlet header 6.
When the liquid level in right tank 2 reaches top dead centre, the gas of tank inner top is compressed by liquid level, is all discharged;In left tank 1
Liquid level reaches lower dead center simultaneously, and tank inner top is full of the gas medium being inhaled into, and second liquid level gauge 2-12 transmits liquid level signal
To data acquisition control system 4, data acquisition control system 4 issues control instruction: first entrance solenoid valve according to liquid level signal
1-7, second outlet solenoid valve 2-8 are opened, and first outlet solenoid valve 1-8, second entrance solenoid valve 2-7 are closed, in kinetic pump 3
Under effect, liquid in right tank 2, through second circulation liquid outlet 2-2, second outlet solenoid valve 2-8, kinetic pump 3, first entrance electricity
Magnet valve 1-7, first circulation liquid entrance 1-1, are discharged into left tank 1.Two-chamber liquid back and forth drives multi-phase pipeline device, in a left side
The compression discharge of tank 1, right 2 vacuum suck state of tank.Under the action of 3 entrance negative pressure of kinetic pump, under the liquid level in right tank 2 starts
Vacuum is formed at drop, right 2 top of tank, and second entrance check valve 2-9 is opened, and second outlet check valve 2-10 is closed, gas medium, warp
Second medium entrance 2-3 is inhaled into right tank 2, is gathered in right 2 top of tank;Under the action of kinetic pump 3 exports positive pressure, left tank 1
Interior liquid level rises, and first entrance check valve 1-9 is closed, and first outlet check valve 1-10 is opened, the gas at left 1 top of tank, quilt
The liquid compression of rising exports 1-4 through first medium, is discharged into outlet header 6.
When the liquid level in left tank 1 reaches top dead centre, the gas of tank inner top is compressed by liquid level, is all discharged;In right tank 2
Liquid level reach lower dead center simultaneously, tank inner top is full of the gas medium being inhaled into, and first liquid level gauge 1-12 passes liquid level signal
It is defeated by data acquisition control system 4, data acquisition control system 4 issues control instruction: first outlet electromagnetism according to liquid level signal
Valve 1-8, second entrance solenoid valve 2-7 solenoid valve are opened, and first entrance solenoid valve 1-7, second outlet solenoid valve 2-8 solenoid valve close
It closes.Liquid in left tank 1 exports 1-2, first outlet solenoid valve 1-8, power through first circulation liquid under the action of kinetic pump 3
3, second entrance solenoid valve 2-7, second circulation liquid entrance 2-1 are pumped, are discharged into right tank 2.Two-chamber liquid back and forth drives multiphase flow
Defeated device is mixed, left 1 vacuum suck of tank is in, right tank 2 compresses discharge state.Above-mentioned movement is repeated, two pot liquids back and forth drive,
Two tanks replace vacuum suck, compression discharge, realize being continuously conveyed for gas medium.
Embodiment 2
Referring to Fig.1, a kind of two-chamber liquid back and forth drives multi-phase pipeline device, mixes defeated dress in the device and embodiment 1
Set that structure is essentially identical, difference is only that with the solenoid valve block i.e. first entrance solenoid valve in 7 alternative embodiment 1 of solenoid directional control valve
1-7, first outlet solenoid valve 1-8, second entrance solenoid valve 2-7 solenoid valve and second outlet solenoid valve 2-8 solenoid valve, realization are cut
The function of the import and export flow direction of kinetic pump 3 is changed, and due to using a solenoid directional control valve 7, on left tank 1 and right tank 2
First circulation liquid entrance 1-1, first circulation liquid outlet 1-2, second circulation liquid entrance 2-1 and first circulation liquid outlet 1-2 by
Four mouths are reduced to first circulation liquid entrance 1-14 and second circulation liquid entrance two mouths of 2-14;Wherein first circulation liquid goes out
Entrance 1-14 is connected with the A of solenoid directional control valve 7 mouth;Second circulation liquid entrance 2-14 is connected with the B of solenoid directional control valve 7 mouth;It is dynamic
The entrance of power pump 3 is connected with the T of solenoid directional control valve 7 mouth, and the outlet of kinetic pump 3 is connected with the P of solenoid directional control valve 7 mouth.This implementation
Two-chamber liquid in example back and forth drives the working condition of multi-phase pipeline device with embodiment 1, and difference is only in that reversing unit
Conversion, i.e., control solenoid directional control valve 7 left and right commutation, automatically switch 3 import and export of kinetic pump flow direction;Therefore in addition to commutation side
The transformation of formula, two-chamber liquid back and forth drives multi-phase pipeline device and operating status and embodiment 1 consistent in the present embodiment,
It repeats no more.
The above, is only the exemplary embodiments of the utility model, and those skilled in the art explains possibly also with above-mentioned
Equivalent technical solution is modified the utility model or be revised as to the technical solution stated.Therefore, practical new according to this
Any simple modification or substitute equivalents that the technical solution of type is carried out belong to the greatest extent the range of the requires of the utility model protection.