CN107366640A - A kind of vapour-pressure type pumping method and suction pump - Google Patents
A kind of vapour-pressure type pumping method and suction pump Download PDFInfo
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- CN107366640A CN107366640A CN201710757752.6A CN201710757752A CN107366640A CN 107366640 A CN107366640 A CN 107366640A CN 201710757752 A CN201710757752 A CN 201710757752A CN 107366640 A CN107366640 A CN 107366640A
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- liquid
- liquid level
- inner chamber
- pump housing
- level gauge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The vapour-pressure type pumping method of the present invention, container are placed in liquid, and inlet, liquid outlet are offered on container；When liquid level rises to certain altitude, pressed gas discharges liquid；When liquid drops to certain altitude, liquid reenters container.The vapour-pressure type suction pump of the present invention, including the pump housing, outlet pipe, air inlet pipe, escape pipe and control circuit, the lower end of the pump housing are provided with water feeding one-way valve；The lower end of outlet pipe is provided with out water one-way valve；Electrically-controlled valve A, B is respectively arranged with air inlet pipe, escape pipe, the liquid level gauge detected to liquid level is provided with inner chamber.The vapour-pressure type suction pump of the present invention, can be by lower position using pressed gas（Deep-well）In liquid be evacuated to higher position（Ground）, the form of drawing water of conventional deep submersible pump is changed, without using motor and pump body structure, alleviates the weight and manufacturing cost of suction pump, simple and reasonable, installation, operation and maintenance are more convenient, and beneficial effect is notable, is suitable for the application of popularization.
Description
Technical field
The present invention relates to a kind of vapour-pressure type pumping method and suction pump, and in particular, more particularly to one kind utilizes pressure
The vapour-pressure type pumping method and suction pump that gas discharges the liquid at lower position.
Background technology
Deep submersible pump is used for the liquid in deep well（Water）Extract out, its lift is existing up to tens meters even hundreds of meters
There is immersible pump to be realized using the structure of Electric-motor driven pumps body, not only structure is relative complex, weight is big, and installs and use
During operation, maintenance cost it is also of a relatively high.
Pressed gas can externally do work as a kind of storage mode of energy, pressed gas, if pressed gas can be utilized
At lower position（Such as deep-well）Liquid discharge, the working method of existing deep submersible pump will be changed so that immersible pump need not be set
The larger motor of weight is put, without laying cable, can effectively reduce manufacturing cost, installation cost and the maintenance expense of immersible pump
With.
The content of the invention
The shortcomings that present invention is in order to overcome above-mentioned technical problem, there is provided it is a kind of using pressed gas by the liquid at lower position
The vapour-pressure type pumping method and suction pump of body discharge.
The vapour-pressure type pumping method of the present invention, is particular in that, realizes by the following method：It is cavity by inside
Container is placed in liquid, and inlet, liquid outlet are offered on container；When the liquid in the external world is entered in container and is risen to certain
During height, pressed gas is passed through into container, pressed gas discharges the liquid in container through liquid outlet；With the liquid in container
Body is discharged, and when liquid drops to certain altitude, extraneous liquid reenters container, and so on circulates, and realizes liquid
Extract out.
The vapour-pressure type suction pump of the present invention, it is particular in that：Including the pump housing, outlet pipe, air inlet pipe, escape pipe and control
Circuit processed, the inside of the pump housing is inner chamber, and the lower end of the pump housing is provided with the water feeding one-way valve for only allowing outside liquid to enter in inner chamber；
The bottom of pump housing inner chamber is stretched into the lower end of outlet pipe, and upper end communicates with the external world, and the lower end of outlet pipe, which is provided with, only to be allowed in inner chamber
Liquid enter outlet pipe in go out water one-way valve；Air inlet pipe, escape pipe directly communicated with the inner chamber of the pump housing or through communicating pipe with
The inner chamber of the pump housing communicates；, the electrically-controlled valve A that is controlled to its on off operating mode and automatically controlled is respectively arranged with air inlet pipe, escape pipe
Valve B, air inlet pipe are connected with air feed equipment, and for being passed through pressed gas into inner chamber, escape pipe is used for the gas in inner chamber
Discharge；It is provided with the liquid level gauge detected to liquid level in inner chamber, control circuit is according to the detection state of liquid level gauge, to electrically-controlled valve
A and electrically-controlled valve B on off operating mode are controlled.
The present invention vapour-pressure type suction pump, the electrically-controlled valve A and electrically-controlled valve B are placed in liquid, on liquid level or ground it
On.
The vapour-pressure type suction pump of the present invention, the liquid level gauge is by being respectively arranged at the upper end liquid of pump housing inner chamber upper end, lower end
Position meter W1 and lower end liquid level gauge W2 compositions, upper end liquid level gauge W1 and lower end liquid level gauge W2 use dry-reed liquid level gauge, dry spring
Tube type liquid level gage is made up of outer bar, ball float and tongue tube, and the inside of outer bar is cavity, and outer bar is vertically arranged, and tongue tube is fixed on
In the internal cavities of outer bar, the normally closed point of tongue tube is drawn through lead；Ball float is movably enclosed in outer bar, and the inside of ball float is
The cavity of sealing, being provided at both ends with for outer bar carry out spacing upper limit position block and lower position block, the internal cavities of ball float to ball float
In be provided with magnetic patch with tongue tube phase separation.
The vapour-pressure type suction pump of the present invention, the ball float of the upper end liquid level gauge W1 fall on least significant end in not liquid body buoyancy
When so that magnetic patch acts on tongue tube, closes the opened point of its lead；Upper end liquid level gauge W1 rises under liquid buoyancy effect
During to top, magnetic patch makes its lead maintain a normally open state away from tongue tube；
Lower end liquid level gauge W2 ball float drops down onto least significant end so that magnetic patch makes away from tongue tube in not liquid body buoyancy under ball float
Its lead maintains a normally open state；Lower end liquid level gauge W2 ball float rises to top in the presence of liquid buoyancy so that magnetic patch
Acted on tongue tube, close the opened point of its lead.
The vapour-pressure type suction pump of the present invention, the control circuit is made up of relay K1, relay K2 and power supply, under described
Both ends after the normally closed point series connection of end liquid level gauge W2 opened point, relay K1 coil and relay K2 are connected to power supply respectively
On both positive and negative polarity, the both ends minute after the normally closed point series connection of upper end liquid level gauge W1 opened point, relay K2 coil and relay K1
It is not connected on power positive cathode；Electrically-controlled valve A and electrically-controlled valve B uses magnetic valve, and electrically-controlled valve A control terminal is normal with relay K1's
Two ends after series connection are prescribed to be connected on power positive cathode, electrically-controlled valve B control terminal connected with relay K2 opened point after two
It is terminated on power positive cathode.
The vapour-pressure type suction pump of the present invention, it is characterised in that：Including the pump housing, outlet pipe, air inlet pipe, escape pipe, two three
Port valve and control circuit, the inside of the pump housing is inner chamber, and the lower end of the pump housing, which is provided with, only allows outside liquid to enter entering in inner chamber
Water one-way valve；The bottom of pump housing inner chamber is stretched into the lower end of outlet pipe, and upper end communicates with the external world, and the lower end of outlet pipe, which is provided with, only to be permitted
Perhaps the liquid in inner chamber, which enters in outlet pipe, goes out water one-way valve；Two position three-way valve is located in the pump housing, is set on two position three-way valve
There is vertical connecting rod, air inlet pipe communicates with the first choice port of two position three-way valve, the second choosing of escape pipe and two position three-way valve
Select port to communicate, the common port of two position three-way valve communicates with the internal cavities of the pump housing；Air inlet pipe is connected with air feed equipment, uses
In being passed through pressed gas into inner chamber, escape pipe is used to discharge the gas in inner chamber；The lower end of connecting rod is fixed with ball float, ball float
Lower section be provided with balancing weight, balancing weight is connected with ball float through drawstring.
The vapour-pressure type suction pump of the present invention, the periphery of the drawstring is provided with outer barrel.
The beneficial effects of the invention are as follows：The vapour-pressure type pumping method of the present invention, when the liquid in the external world is entered in container simultaneously
When rising to certain altitude, pressed gas is passed through into container, pressed gas discharges the liquid in container through liquid outlet；With
Liquid discharge in container, when liquid drops to certain altitude, extraneous liquid reenters container, and so on circulates,
Realize the extraction of liquid.
The vapour-pressure type suction pump of the present invention, by setting the air inlet pipe communicated with the inner chamber of the pump housing, escape pipe, set in the pump housing
Liquid level gauge is equipped with, outlet pipe is stretched in the inner chamber of the pump housing, and the lower end of the pump housing, the lower end of outlet pipe are provided with check valve,
Electrically-controlled valve is provided with air inlet pipe and escape pipe；The pump housing is placed in liquid deep part to be extracted during use, when nothing in the pump housing
During liquid, escape pipe is opened, air inlet pipe is closed, now outside liquid（Usually water）Enter pump housing inner chamber through water feeding one-way valve
In, when liquid level rises to high level, control escape pipe is closed, air inlet pipe is opened, through the pressed gas that air inlet pipe enters by
Liquid in chamber is discharged through outlet pipe；When liquid drops to low liquid level in inner chamber, air inlet pipe is closed, escape pipe is opened, outside
Liquid reenters pump housing inner chamber, and so on, realizes the liquid at lower position being evacuated to higher position.
The vapour-pressure type pumping method and suction pump of the present invention, can be by lower position using pressed gas（Deep-well）In liquid
Body is evacuated to higher position（Ground）, the form of drawing water of conventional deep submersible pump is changed, without using motor and pump body structure, is subtracted
The light weight and manufacturing cost of suction pump, it is simple and reasonable, installation, operation and to safeguard more convenient, beneficial effect is notable,
It is suitable for the application of popularization.
Brief description of the drawings
Fig. 1 is the structural representation of the vapour-pressure type suction pump of the first embodiment of the present invention；
Fig. 2 is the sectional view of the upper end liquid level gauge W1 of the first embodiment in the present invention；
Fig. 3 is the sectional view of the lower end liquid level gauge W2 of the first embodiment in the present invention；
Fig. 4 is the circuit diagram of the control circuit of the first embodiment in the present invention；
Fig. 5 is the use state figure of the vapour-pressure type suction pump of the first embodiment of the present invention；
Fig. 6 is the structural representation of the vapour-pressure type suction pump of second of embodiment of the present invention；
Fig. 7 is the use state figure of the vapour-pressure type suction pump of second of embodiment of the present invention；
Fig. 8 is the structural representation of the vapour-pressure type suction pump of the third embodiment of the present invention；
Fig. 9 is the use state figure of the vapour-pressure type suction pump of the third embodiment of the present invention.
In figure：1 pump housing, 2 outlet pipes, 3 air inlet pipe, 4 escape pipes, 5 inner chambers, 6 water feeding one-way valves, 7 go out water one-way valve, on 8
The end liquid level gauge electrically-controlled valve of W1,9 lower end liquid level gauge W2,10 A, 11 electrically-controlled valve B, 12 fixed plates, 13 signal wires, 14 outer bars, 15 ball floats,
16 tongue tubes, 17 upper limit position blocks, 18 lower position blocks, 19 magnetic patch, 20 leads, 21 relay K1,22 relay K2,23 deep-wells, 24
Rope, 25 communicating pipes, 26 two position three-way valves, 27 connecting rods, 28 ball floats, 29 balancing weights, 30 outer barrels, 31 drawstrings.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
The vapour-pressure type pumping method of the present invention, realize by the following method：By internal liquid is placed in for the container of cavity
In, inlet, liquid outlet are offered on container；When the liquid in the external world is entered in container and rises to certain altitude, Xiang Rong
Pressed gas is passed through in device, pressed gas discharges the liquid in container through liquid outlet；As the liquid in container is discharged, work as liquid
When body drops to certain altitude, extraneous liquid reenters container, and so on circulates, and realizes the extraction of liquid.
Embodiment 1, as shown in figure 1, giving the structural representation of the vapour-pressure type suction pump of the first embodiment of the present invention
Figure, its by the pump housing 1, outlet pipe 2, air inlet pipe 3, escape pipe 4, water feeding one-way valve 6, go out water one-way valve 7, liquid level gauge, electrically-controlled valve A
（10）With electrically-controlled valve B（11）Composition, the inside of the pump housing 1 is inner chamber 5, and the pump housing 1 can use cylindrical shape, in use, the pump housing 1 is perpendicular
Stand up and put.The lower end of the pump housing 1 is provided with water feeding one-way valve 6, and water feeding one-way valve only allows the liquid of outside（Water）Into inner chamber 5
In, without allowing the liquid in inner chamber 5 to be discharged through water feeding one-way valve 6.The lower end of outlet pipe 2 stretches to the bottom of inner chamber 5, water outlet
The upper end of pipe 2 communicates with outside, extends to by the road on ground during use, so as to which the liquid of extraction is discharged.Outlet pipe 2
Lower end is provided with out water one-way valve 7, and the liquid that going out water one-way valve 7 allows in inner chamber 5 is flowed into outlet pipe 2, without allowing
Liquid in water pipe 2 is flowed into inner chamber 5.
Air inlet pipe 3 and escape pipe 4 communicate through communicating pipe 25 with the inner chamber 5 of the pump housing 1, in air inlet pipe 3 and escape pipe 4 respectively
It is provided with electrically-controlled valve A（10）With electrically-controlled valve B（11）, to be controlled respectively to the on off operating mode of air inlet pipe 3 and escape pipe 4.Electricity
Control valve A and electrically-controlled valve B may be disposed on earth's surface, and can set cover body in electrically-controlled valve A and electrically-controlled valve B periphery, both facilitate
The installation, maintenance and replacing of electrically-controlled valve, it turn avoid electrically-controlled valve water inlet and make moist, can effectively extend electrically-controlled valve uses the longevity
Life.Electrically-controlled valve A and electrically-controlled valve B can use magnetic valve.Air inlet pipe 3 is connected with air feed equipment, for being passed through pressure into inner chamber 5
Strength body.Escape pipe 4 is connected with the external world, for the gas in inner chamber 5 to be discharged.Liquid level gauge is arranged in the inner chamber of the pump housing 1,
For being detected to the liquid level in inner chamber 5.
During work, in the presence of control circuit, when not having liquid in inner chamber 5, control circuit control air inlet pipe 3 is closed
Close, escape pipe 4 is opened, outside liquid under gravity through water feeding one-way valve 6 enter inner chamber 5, when control circuit detect
When rising to a high position to liquid level, then open air inlet pipe 3, close escape pipe 4, the pressed gas entered by air inlet pipe 3, by inner chamber 5
In liquid discharged through going out water one-way valve 7；When liquid level drops to low level, then close air inlet pipe 3, open escape pipe 4, it is outside
Liquid is again introduced into inner chamber 5 through water feeding one-way valve 6, while the gas in inner chamber 5 is discharged through escape pipe 4.And so on, realization is taken out
Water operation.
Shown liquid level gauge can use the upper end liquid level gauge W1 for being respectively arranged at the upper end of inner chamber 5, lower end（8）With lower end liquid level gauge
W2（9）, upper end liquid level gauge W1 and lower end liquid level gauge W2 can use the installation form being fixed on through fixed plate 12 on outlet pipe 2, on
End liquid level gauge W1 and lower end liquid level gauge W2 detection signal is drawn through signal wire 13.As shown in Figures 2 and 3, it sets forth this
The upper end liquid level gauge W1 and lower end liquid level gauge W2 of the first embodiment structural representation in invention.
Shown upper end liquid level gauge W1 and lower end liquid level gauge W2 uses dry-reed liquid level gauge, and it is by outer bar 14, ball float
15th, tongue tube 16 forms, and the inside of outer bar 14 is the cavity of sealing, and tongue tube 16 is fixed in the internal cavities of outer bar 14, dry
The opened point of reed pipe 16 is drawn through lead 20.The center of ball float 15 offers through hole, and the via through holes of ball float 15 are through in outer bar 14, and
It can be moved along outer bar 14；The inside of ball float 15 is the cavity of sealing, so that in the presence of liquid buoyancy, ball float 15 is in outer bar 14
Upper motion.The inside of ball float 15 is fixed with magnetic patch 19, when magnetic patch 19 is located exactly at the periphery of tongue tube 16, can make tongue tube 16
The state of lead 20 changes.The both ends of outer bar 14 are respectively arranged with upper limit position block 17 and lower position block 18, to realize to floating
Ball 15 it is spacing.During installation, outer bar 14 is vertically arranged.
The lead 20 of upper end liquid level gauge W1 shown in Fig. 2 is " upper disconnected lower logical " form, when the not liquid body buoyancy of ball float 15
When, fall on least significant end under ball float 15, magnetic patch 19 and the phase separation of tongue tube 16 in ball float 15, close the opened point of lead 20,
So that lead 20 is in " on " state.When ball float 15 is in the presence of liquid buoyancy, when rising to most significant end, now ball float 15
In magnetic patch 19 away from tongue tube 16, it is constant that lead 20 maintains a normally open state so that lead 10 is in "off" state.Similarly
Ground, the lead 20 of the lower end liquid level gauge W2 shown in Fig. 3 is " upper logical lower disconnected " state.
As shown in figure 4, giving the circuit diagram of the control circuit of the first embodiment in the present invention, it is by power supply, relay
Device K1（21）, relay K2（22）Composition, lower end liquid level gauge W2 opened point（Lead 20）, relay K1 coil, relay
Both ends after K2 normally closed point series connection are connected to the both ends of power supply, upper end liquid level gauge W1 opened point respectively（Lead 20）, relay
Both ends after the normally closed point series connection of K2 coil, relay K1 are connected to the both ends of power supply respectively.Electrically-controlled valve A control terminal and relay
Both ends after device K1 opened point series connection are connected to the both ends of power supply, electrically-controlled valve B control terminal and relay K2 opened point respectively
Both ends after series connection are connected to the both ends of power supply respectively.
As shown in figure 5, giving the use state figure of the vapour-pressure type suction pump of the first embodiment of the present invention, use
When, the pump housing 1 is stretched in deep-well 23, and ensures that the pump housing 1 is located at position deeper below liquid level, and the pump housing 1 is carried out by rope 24
It is fixed." lower disconnected " position that 1-1 horizontal lines shown in Fig. 5 are lower end liquid level gauge W2,2-2 horizontal lines are lower end liquid level gauge W2's
" upper logical " position；" lower logical " position that 3-3 horizontal lines are upper end liquid level gauge W1,4-4 horizontal lines be upper end liquid level gauge W1 " on
It is disconnected " position.Its course of work is illustrated with reference to Fig. 4 and Fig. 5：
When no liquid in the pump housing 1, W2 now is in " lower disconnected " state, and W1 is in " lower logical " state, W2 disconnection cause after
Electrical equipment K1 dead electricity, K1 opened point maintain off-state, normally closed point to maintain closure state, and electrically-controlled valve A maintains off state, air inlet
Pipe 3 is closed；It is electric that W1 connection make it that relay K2 is obtained, and K2 normally closed point disconnection, opened point closure, electrically-controlled valve B obtains electric so that goes out
Tracheae 4 is opened.Now outside liquid enters in the inner chamber 5 of the pump housing 1 under the Action of Gravity Field of itself.
When liquid level rises to 1-1 horizontal line positions, remain constant into water state.When liquid level rises to 2-2 horizontal lines,
Lower end liquid level gauge W2 is in " upper logical " state, and upper end liquid level gauge W1 maintains " lower logical ", and state is constant, although W2 is connected, relay
K1 the normally closed points of K2 relays in the loop disconnect, relay K1 remains in power failure state, remains constant into water state.
When liquid level rises to 3-3 horizontal line positions, W2 maintains " upper logical " state, and W1 also maintains " lower logical " state, now
The pump housing 1 still remains constant into water state.When liquid level rises to 4-4 horizontal line positions, W2 maintains " upper logical " state, and W1 then becomes
For " upper disconnected " state, due to W1 disconnection so that relay K2 dead electricity, relay K2 dead electricity cause its opened point disconnect, be normally closed
Point closure, electrically-controlled valve B dead electricity, escape pipe 4 closed, and the loop where relay K1 is connected, and electrically-controlled valve A obtains electric, and air inlet pipe 3 is beaten
Open；Gases at high pressure enter inner chamber 5 through air inlet pipe 3, and now water feeding one-way valve 6 is closed, and is gone out water one-way valve 7 and is opened, the liquid in inner chamber 5
Body is discharged through outlet pipe 2.
When liquid level drops to 3-3 horizontal line positions, W2 maintains " upper logical " state, and W1 is then changed into " lower logical " state, but by
It is to disconnect in relay K1 normally closed point, relay K2 must not be electric, and escape pipe 4 continues to closing, air inlet pipe 3 continues to
Open, the liquid in inner chamber 5 continues through outlet pipe 2 under gas pressure effect and discharged.
When liquid level drops to 2-2 horizontal line positions, W1 maintains " lower logical " state, and W2 maintains " upper logical " state, gone out watery
State is constant.
When liquid level drops to 1-1 horizontal line positions, W1 maintains " lower logical " state, and W2 is changed into " lower disconnected " state, and W2's is disconnected
Open so that K1 dead electricity, K2 obtain it is electric, electrically-controlled valve A close, electrically-controlled valve B open, i.e., air inlet pipe 3 is closed, and escape pipe 4 is opened, now,
Go out liquid stopping, feed liquor starts.And so on, go round and begin again, realize " drawing water " effect of pressed gas.
Embodiment 2, as shown in Figure 6 and Figure 7, it sets forth the vapour-pressure type suction pump of second of embodiment of the present invention
Structural representation and use state carry, its in addition to air inlet pipe 3 and escape pipe 4 are different from the connection form of the internal cavities of the pump housing 1,
Remaining structure and working condition communicate with embodiment 1.
Air inlet pipe 3 and escape pipe 4 in the present embodiment directly communicate with the inner chamber 5 of the pump housing 1, electrically-controlled valve A（10）And electricity
Control valve B（11）The opening position of the pump housing is disposed in proximity to, the benefit so set is, when electrically-controlled valve A is opened, pressed gas can be through
The moment of air inlet pipe 3 enters in the inner chamber 5 of the pump housing 1；When electrically-controlled valve B is opened, the gas in the pump housing 1 can be quickly from escape pipe 4
Discharge.Weak point is that electrically-controlled valve A and electrically-controlled valve B are respectively positioned on liquid（Water）In, it is higher to the waterproof requirement of electrically-controlled valve, it is automatically controlled
In the prolonged course of work, the life-span may shorten valve.And in embodiment 1, due to electrically-controlled valve A and the equal positions of electrically-controlled valve B
On ground, so that it may avoid and liquid（Water）Contact, electrically-controlled valve A and electrically-controlled valve B life-span can be extended, embodiment 1 is not
Foot part be, communicating pipe 25 length it is longer, reduce compressed gas operating efficiency.
Embodiment 3, as shown in Figure 8 and Figure 9, it sets forth the vapour-pressure type suction pump of the third embodiment of the present invention
Structural representation and use state carry, and compared with Example 1, it does not use circuit, eliminate electrically-controlled valve A, B and upper and lower
Liquid level gauge is held, but is additionally arranged two position three-way valve 26, ball float 28 and balancing weight 29, the common port and the pump housing of two position three-way valve 26
1 inner chamber 5 communicates, and air inlet pipe 3 communicates with the first choice port of two position three-way valve 26, escape pipe 4 and two position three-way valve 26
Second selection port communicates.Connecting rod 27 is provided with two position three-way valve 26, when connecting rod 27 is located at upper end position, may be such that second
Selection port is connected with common port；When connecting rod 27 is located at lower end position, first choice port and common port may be such that
It is connected.
Ball float 28 is fixed on the lower end of connecting rod 27, and balancing weight 29 is located at the lower section of ball float 28, and balancing weight 29 passes through drawstring 31
Fixed with the phase of ball float 28, the periphery of drawstring 31 is provided with outer barrel 30.Outer barrel 30 can realize the position-limiting action to balancing weight 29, when outer
When the flow velocity that the liquid on boundary is entered in the pump housing by water feeding one-way valve 6 is larger, the spacing of drawstring 31 is used as by outer barrel 30, can
Prevent balancing weight 29 from being washed away by current.
In the course of work, when the height where the liquid level in the inner chamber 5 of the pump housing 1 rises to ball float 28, ball float 28 due to by
To the effect of buoyancy, will can mutually be jacked up on connecting rod 27 so that the first choice port of two position three-way valve 26 is connected with common port
Logical, i.e., the gas in air inlet pipe 3 enters in the pump housing 1 through two position three-way valve 26, and liquid is promoted in the presence of pressed gas through going out
Water pipe 2 is discharged.When liquid level drops to ball float below 28, because two position three-way valve 26 has certain spacing work to connecting rod 27
With the position of connecting rod 27 does not change, and liquid level continues to decline, and the liquid in the pump housing 1 continues on through outlet pipe 2 and discharged.Work as liquid level
When dropping to the position at the place of balancing weight 29 so that the buoyancy that balancing weight 29 is subject to is gradually reduced, and balancing weight 29 is to connecting rod 27
Pulling force gradually increases, and connecting rod 27 is pulled to lower end position so that two position three-way valve 26 is changed into first choice port and common port
Communicate, the air inlet cut-off of air inlet pipe 3, escape pipe 4 communicates with the pump housing 1, starts outlet, while environmental liquids are through water feeding one-way valve 6
Water inlet, and so on, realization is drawn water.
Claims (8)
1. a kind of vapour-pressure type pumping method, it is characterised in that realize by the following method：It is placed in internal for the container of cavity
Inlet, liquid outlet are offered in liquid, on container；When the liquid in the external world is entered in container and rises to certain altitude,
Pressed gas is passed through into container, pressed gas discharges the liquid in container through liquid outlet；As the liquid in container is discharged,
When liquid drops to certain altitude, extraneous liquid reenters container, and so on circulates, and realizes the extraction of liquid.
A kind of 2. vapour-pressure type suction pump, it is characterised in that：Including the pump housing（1）, outlet pipe（2）, air inlet pipe（3）, escape pipe（4）With
Control circuit, the inside of the pump housing is inner chamber（5）, the lower end of the pump housing is provided with the water inlet list for only allowing outside liquid to enter in inner chamber
To valve（6）；The bottom of pump housing inner chamber is stretched into the lower end of outlet pipe, and upper end communicates with the external world, and the lower end of outlet pipe, which is provided with, only to be permitted
Perhaps the liquid in inner chamber, which enters in outlet pipe, goes out water one-way valve（7）；Air inlet pipe, escape pipe directly communicated with the inner chamber of the pump housing or
Through communicating pipe（25）Communicated with the inner chamber of the pump housing；It is respectively arranged with what its on off operating mode was controlled in air inlet pipe, escape pipe
Electrically-controlled valve A（10）With electrically-controlled valve B（11）, air inlet pipe is connected with air feed equipment, for being passed through pressed gas, outlet into inner chamber
Manage for the gas in inner chamber to be discharged；The liquid level gauge detected to liquid level is provided with inner chamber, control circuit is according to liquid level
The detection state of meter, is controlled to electrically-controlled valve A and electrically-controlled valve B on off operating mode.
3. vapour-pressure type suction pump according to claim 2, it is characterised in that：The electrically-controlled valve A（10）With electrically-controlled valve B（11）
It is placed in liquid, on liquid level or on ground.
4. vapour-pressure type suction pump according to claim 2, it is characterised in that：The liquid level gauge is by being respectively arranged in the pump housing
Chamber（5）Upper end, the upper end liquid level gauge W1 of lower end（8）With lower end liquid level gauge W2（9）Composition, upper end liquid level gauge W1 and lower end liquid level gauge
W2 uses dry-reed liquid level gauge, and dry-reed liquid level gauge is by outer bar（14）, ball float（15）And tongue tube（16）Composition, outer bar
Inside be cavity, outer bar is vertically arranged, and tongue tube is fixed in the internal cavities of outer bar, and the normally closed point of tongue tube is through lead
（20）Draw；Ball float is movably enclosed in outer bar, and the inside of ball float is the cavity of sealing, and outer bar is provided at both ends with to ball float
Carry out spacing upper limit position block（17）And lower position block（18）, the magnetic with tongue tube phase separation is provided with the internal cavities of ball float
Block（19）.
5. vapour-pressure type suction pump according to claim 4, it is characterised in that：The upper end liquid level gauge W1（8）Ball float
（15）When falling on least significant end in not liquid body buoyancy so that magnetic patch（19）With tongue tube（16）Effect, makes its lead（20）'s
Opened point closes；When upper end liquid level gauge W1 rises to top under liquid buoyancy effect, magnetic patch makes its lead away from tongue tube
Maintain a normally open state；
Lower end liquid level gauge W2 ball float drops down onto least significant end so that magnetic patch makes away from tongue tube in not liquid body buoyancy under ball float
Its lead maintains a normally open state；Lower end liquid level gauge W2 ball float rises to top in the presence of liquid buoyancy so that magnetic patch
Acted on tongue tube, close the opened point of its lead.
6. vapour-pressure type suction pump according to claim 5, it is characterised in that：The control circuit is by relay K1（21）、
Relay K2（22）Formed with power supply, the opened point of the lower end liquid level gauge W2, relay K1 coil and relay K2 it is normal
Close point series connection after both ends be connected to respectively on the both positive and negative polarity of power supply, upper end liquid level gauge W1 opened point, relay K2 coil and
Both ends after relay K1 normally closed point series connection are connected on power positive cathode respectively；Electrically-controlled valve A（10）With electrically-controlled valve B（11）Adopt
With magnetic valve, two ends after electrically-controlled valve A control terminal is connected with relay K1 opened point are connected on power positive cathode, electrically-controlled valve
Two ends after B control terminal is connected with relay K2 opened point are connected on power positive cathode.
A kind of 7. vapour-pressure type suction pump, it is characterised in that：Including the pump housing（1）, outlet pipe（2）, air inlet pipe（3）, escape pipe（4）、
Two position three-way valve（26）And control circuit, the inside of the pump housing is inner chamber（5）, the lower end of the pump housing, which is provided with, only allows outside liquid to enter
Enter the water feeding one-way valve in inner chamber（6）；The bottom of pump housing inner chamber is stretched into the lower end of outlet pipe, and upper end communicates with the external world, outlet pipe
Lower end be provided with only allow inner chamber in liquid enter outlet pipe in go out water one-way valve（7）；Two position three-way valve is located at the pump housing
In, vertical connecting rod is provided with two position three-way valve（27）, air inlet pipe communicates with the first choice port of two position three-way valve, outlet
Pipe communicates with the second selection port of two position three-way valve, and the common port of two position three-way valve communicates with the internal cavities of the pump housing；Enter
Tracheae is connected with air feed equipment, and for being passed through pressed gas into inner chamber, escape pipe is used to discharge the gas in inner chamber；
The lower end of connecting rod is fixed with ball float（28）, balancing weight is provided with below ball float（29）, balancing weight is with ball float through drawstring（31）Phase
Connection.
8. vapour-pressure type suction pump according to claim 7, it is characterised in that：The drawstring（31）Periphery be provided with outer barrel
（30）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757752.6A CN107366640A (en) | 2017-08-29 | 2017-08-29 | A kind of vapour-pressure type pumping method and suction pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757752.6A CN107366640A (en) | 2017-08-29 | 2017-08-29 | A kind of vapour-pressure type pumping method and suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107366640A true CN107366640A (en) | 2017-11-21 |
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ID=60312151
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710757752.6A Pending CN107366640A (en) | 2017-08-29 | 2017-08-29 | A kind of vapour-pressure type pumping method and suction pump |
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| CN (1) | CN107366640A (en) |
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| CN108567320A (en) * | 2018-06-29 | 2018-09-25 | 小甑科技（深圳）有限公司 | A kind of automatic disengaging water-bound of cooker |
| CN110258765A (en) * | 2019-06-03 | 2019-09-20 | 信阳华电环保工程技术有限公司 | A kind of intelligent gas power drive sewage lifter |
| CN110306602A (en) * | 2019-05-10 | 2019-10-08 | 张宗毅 | The intelligent weight of civil engineering static test |
| CN110820856A (en) * | 2018-08-07 | 2020-02-21 | 付成军 | Low-pressure high-level water supply equipment and method |
| CN111636452A (en) * | 2020-05-28 | 2020-09-08 | 中建八局天津建设工程有限公司 | Foundation dewatering system and dewatering method thereof |
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Application publication date: 20171121 |