CN105545718B - Flow and pressure dual control fluid pressurization device and method - Google Patents
Flow and pressure dual control fluid pressurization device and method Download PDFInfo
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- CN105545718B CN105545718B CN201610035429.3A CN201610035429A CN105545718B CN 105545718 B CN105545718 B CN 105545718B CN 201610035429 A CN201610035429 A CN 201610035429A CN 105545718 B CN105545718 B CN 105545718B
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- water
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- water inlet
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Classifications
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- 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
- F04B49/20—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 changing the driving speed
-
- 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
- F04B49/08—Regulating by delivery pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a flow and pressure dual control fluid pressurization device. The flow and pressure dual control fluid pressurization device comprises a water inlet chamber, a water inlet pipe, a pressurization chamber, a first switch piece, a water outlet pipe, a second switch piece and a pressurization pump; one end of the water inlet pipe is communicated with the water inlet chamber, and the other end of the water inlet pipe is connected with an upstream water area; the pressurization chamber is communicated with the water inlet chamber, and metering scales are arranged on a container forming the pressurization chamber; communication between the pressurization chamber and the water inlet chamber is ended through the first switch piece; one end of the water outlet pipe is communicated with the pressurization chamber, and the other end of the water outlet pipe is connected with a downstream water area; communication between the pressurization chamber and the water outlet pipe is ended; and the pressurization pump is used for pumping water in the water inlet chamber into the pressurization chamber, and the water pumping flow speed of the pressurization pump is adjustable. The invention further discloses a flow and pressure dual control fluid pressurization method. The fluid pressurization device is simple in structure and convenient to install, the flowing speed and the pressure of outlet water can be accurately controlled, dual control over the flow and the pressure is achieved, and the accuracy of experimental data is effectively improved.
Description
Technical field
The present invention relates to the fluid of fluid flow control technology, more particularly to a kind of flow and pressure dual control adds press-fit
Put and method.
Background technology
The lives such as large enterprise, waterworks, mine, power plant, resident living area, production site generally require to build pump house
To convey current, it is therefore desirable to install the water pump of respective model, to meet production, living needs.Pump house is to install water pump, electronic
The building of machine, water pump control cabinet and other auxiliary equipments, is the main body of pump works engineering, and its Main Function is for water pump machine
Group, auxiliary equipment and operational management personnel provide good condition of work.
Water pump in pump house is pressurized to improve flow velocity as the power set of current to current, to complete to current
Conveying, in the prior art, pump speed is typically based on actual conditions and is adjusted.Such as Authorization Notice No. is CN 102797371
The patent document of B discloses a kind of multiple water-pouring functions pump house with high-order well, including：One structures with hollow cavity, water pump
And water inlet pipe；High-order well, lifting zone and exhalant region are provided with the structures, partition wall is provided between adjacent area；Water inlet
Pipe has two water sides for being respectively provided with valve：One water side extend through be connected in the lifting zone, another water side
Extend through and be connected in the high-order well；Water pump is arranged in lifting zone, and the water inlet of water pump is arranged on lifting zone bottom, water
The delivery port insertion of pump is connected in exhalant region；Limbers is offered on partition wall between high-order well and exhalant region.The pump house energy
Flexibly the SEA LEVEL VARIATION of reply peripheral exhaust water body, takes two kinds of different running methods of gravity and pressure to reduce the loss of flood peak, subtract
Little energy consumption, and it is few to possess equipment, reduced investment, it is easy to management operating, takes up an area compact advantage.
And a kind of inlet pumping station of patent document of such as B of Authorization Notice No. CN 102383442 and method, it is characterised in that
The main body of described inlet pumping station is the underground structure of drum type cavity structure, and described drum type structure is by bucket wall and bucket bottom
Composition, bucket wall table side is surrounded by 27 pieces of diaphram walls, and vertical direction is provided with bucket wall inboard, diaphram wall metope
Five layers of inside lining, drum bucket wall top is provided with a circle fore shaft Guan Liang, and the 4th layer of right side of described drum type cavity structure is provided with
Some inlet channels, the cavity structure in cylinder is divided into from front to back three regions:Water inlet wellblock, pump house area, water outlet wellblock,
Pump house partition wall is set between two regions, the invention increased inlet pumping station in sewage disposal and can prevent dirt as auxiliary power
The backflow phenomenon of water process, being separated into 4 pump houses, the design of 8 outlets enables flow velocity of the sewage before subsequent step is flowed into
Reach sufficiently consistent.
The flow velocity of current is all directly adjusted by pump in said structure, but in actual application, pump
The exact value of the flow of amount of pressurization and current is had no idea precise control, and when pump house is planned to build, needs experiment test items to refer to
Mark, now the flow and supercharging amount of liquid are all highly important data in pipeline, need to carry out precise control.
The content of the invention
The invention provides a kind of flow and the fluid pressurization device of pressure dual control, simple structure, precise control stream
The change of amount and supercharging amount, improves the test accuracy of fluid experiment.
A kind of flow and the fluid pressurization device of pressure dual control, including：
Intake chamber；
Water inlet pipe, one end connects with the intake chamber, the other end connection upstream waters guiding upstream waters water flow into into
Hydroecium；
Compression chamber, connects with the intake chamber, and the container for forming compression chamber is provided with metering scale；
First switch part, blocks and connected between the compression chamber and intake chamber；
Outlet pipe, one end connects with the compression chamber, other end connection downstream waters；
Second switch part, blocks and connected between the compression chamber and outlet pipe；
Force (forcing) pump, for the indoor water of water inlet to be pumped in compression chamber, the pump water flow velocity of force (forcing) pump is adjustable.
Connection between each room and between each room and pipeline can be by hole or pipeline, if hole, switch member can
To adopt gate, if pipeline can as needed be set using valve or gate, switch member type.
Apparatus of the present invention can go out water speed and (test by arranging compression chamber and force (forcing) pump according to needed for outlet pipe
The flow velocity of setting), force (forcing) pump is adjusted to into required pump water speed；The liquid level of the compression chamber is controlled with needed for obtaining
Hydraulic pressure, realizes flow and pressure dual control.
The mode of speed regulation of force (forcing) pump can carry out coarse adjustment by the pump power that pressurizes, then by the valve on immersible pump pipeline
It is finely adjusted.
Manufacture for convenience, reduce equipment volume, it is preferred that the intake chamber and compression chamber pass through dividing plate by same container
It is separated to form.The intake chamber and compression chamber can be split, or one.
In order to increase inflow, it is preferred that the water inlet pipe is provided with many.Quantity can be set according to actual needs.
If any many inlet channels, and when requiring that each pipe flow speed is identical, it is preferred that every water inlet pipe is provided with flow speed control valve
And amount pressure cylinder.By the water intake velocity for controlling speed governing valve regulation water inlet pipe, make the liquid level of all amount pressure cylinders identical, so as to
Make the water intake velocity of all water inlet pipes equal；When repeating to test, the liquid level of amount pressure cylinder is adjusted to into this scale, then can be quick
It is the flow velocity for needing to reach.
In order to increase water yield, it is preferred that the outlet pipe is provided with many.Quantity can be set according to actual needs.
In order to prevent the water surface caused into water from stirring the reading for affecting scale, it is preferred that the pressurization interior is provided with and will add
Pressure chamber is divided into the water outlet side washboard of observation ward and collecting chamber, and the water outlet side washboard is provided with multiple water holes, described
Observation ward is provided with metering scale, and the force (forcing) pump enters water in collecting chamber.The water outlet side washboard is arranged, and makes compression chamber
Two rooms of connection are formed, one is used to read liquid level, and one is used to intake, and reduces the shadow that water level fluctuation is caused to reading
Ring.
Equipment volume is installed and reduced for convenience, it is preferred that the force (forcing) pump is immersible pump, the immersible pump is installed
It is indoor in water inlet.
Whether the difference in height observed between intake chamber and compression chamber for convenience is steady to observe current, it is preferred that described
Water inlet interior is provided with the influent side washboard that intake chamber is divided into pump chamber and observation intake chamber, on the influent side washboard
Multiple water holes are provided with, the pump chamber is used to accommodate immersible pump, and observation intake chamber is provided with metering scale.
Present invention also offers a kind of flow and the fluid pressure method of pressure dual control, are pressurizeed using above-mentioned fluid
Device, comprises the following steps：
(1) first switch part and second switch part are opened, makes the conducting of water inlet pipe, intake chamber, compression chamber and outlet pipe, made
The water in swimming domain flows into intake chamber, after water flow stationary, closes first switch part and second switch part；
(2) open force (forcing) pump and the indoor water of water inlet pumped into into compression chamber, record the change of the liquid level metering scale of compression chamber,
And timing, the flow velocity of current is calculated with volumetric method, force (forcing) pump pump water speed is now adjusted, it is equal to the flow default
Flow；
(3) indoor liquid level to be pressurised to reach and (reach preset pressure) after preset height, opens described second and opens
Part is closed, outlet pipe draining is made.
Apparatus of the present invention and method realize the dual control of flow and pressure by the metering scale on force (forcing) pump and compression chamber
System.
By using this method, the accurate flow and hydraulic pressure needed for reaching can outlet pipe can with reference to advance calculating
To make outlet pipe draining run current quick and stable in unlatching second switch part.
For example in the case where downstream waters is higher than upstream waters height, the preset height of the indoor liquid level that pressurizes is downstream
Waters liquid level, required outlet pipe flow is preset flow, now by the inventive method force (forcing) pump pump water speed
Reach preset flow, when the indoor liquid level that pressurizes reaches preset height (downstream waters liquid level), be then turned on described the
Two switch members, when making outlet pipe draining, the water flow stationary operation of whole device, the indoor liquid level that pressurizes is constant.
Apparatus of the present invention and method are equally applicable to study outlet pipe scouring experiment situation, as long as needed for that is, known outlet pipe
Flow and head height, as long as being controlled flow by this device and flow and water needed for pressure can obtain testing
Grease head highness, is then turned on the second switch part, when making outlet pipe draining, the water flow stationary operation of whole device, pressurization interior
Liquid level is constant.
Beneficial effects of the present invention：
The fluid pressurization device simple structure of the present invention, installs additional conveniently, can accurately control the flow and pressure of water outlet, real
The two ore control of existing flow and pressure, effectively improves the accuracy of experimental data.
Description of the drawings
Fig. 1 is the side structure schematic view of the fluid pressurization device of the present invention.
Fig. 2 is the structural representation of the washboard of the present invention.
Fig. 3 is the overlooking the structure diagram of the fluid pressurization device of the present invention.
Fig. 4 is the diaphragm structure schematic diagram of the fluid pressurization device of the present invention.
Specific embodiment
As shown in figures 1-4, the fluid pressurization device of the present embodiment includes：Container 1, dividing plate 2, water pump pipeline 3, immersible pump
4th, dividing plate hand door 5, water inlet pipe 6, outlet pipe 7, dividing plate box out 8, base 9, inlet valve 10, amount pressure cylinder 11, delivery port hand
Dynamic gate 12, influent side washboard 13, water outlet side washboard 14 and water pump pipeline valve 15.
Water inlet pipe 6 is connected with upstream waters, and outlet pipe 7 is connected with downstream waters.
Container 1 is separated into two spaces, respectively intake chamber 011 and compression chamber 012 by dividing plate 2, by being arranged on dividing plate 2
On dividing plate box out 8 and dividing plate hand door 5 adjust the level balance of intake chamber 011 and compression chamber 012.
The water body of container 1 is divided into two parts by dividing plate 2, by immersible pump 4 and water pump pipeline 3 by intake chamber 011
Water pumps into compression chamber 012.
Intake chamber 011 is divided into observation intake chamber 0111 and pump chamber 0112, water outlet side wave resistance by influent side washboard 13
Compression chamber 012 is divided into observation ward 0121 and collecting chamber 0122 by plate 14, influent side washboard 13 and water outlet side washboard 14
Setting can reduce the wave caused by the vibration and draining of immersible pump 4, be easy to observe scale, and scale is arranged on observation water inlet
On room 0111 and observation ward 0121.
Container 1 and amount pressure cylinder 11 are transparent material, and side wall carries scale.
Water inlet pipe 6 and outlet pipe 7 are designed with three, by regulating water inlet valve door 10, observe three amount water surface curves of pressure cylinder 11
Whether in same height, whether pressure is constant for control water inlet pipe 6；By dividing plate hand door 5, the liquid of the both sides of dividing plate 2 is adjusted
The face discrepancy in elevation is constant, reaches poised state.
Valve is respectively equipped with water inlet pipe 6, dividing plate is boxed out and is provided with hand door.
Manually-operated gate 5 is closed, the total flow of three outlet pipes 7 is adjusted by immersible pump 4.
The bottom of container 1 is provided with base 9, makes whole device keep horizontality.
The method for carrying out fluid pressurization using the fluid pressurization device of the present embodiment is as follows, and the method for the present embodiment is directed to
The liquid level in downstream waters is implemented higher than the situation of the liquid level in upstream waters：
(1) the upstream and downstream waters liquid level discrepancy in elevation (i.e. pressure, the lift of pump) that known test is required, needed for obtaining compression chamber
Liquid level will necessary flow identical with downstream waters liquid level and outlet pipe；
(2) dividing plate hand door 5 and delivery port hand door 12 are opened, makes water inlet pipe 6, intake chamber 011, compression chamber 012
Turn on outlet pipe 7, the water for making upstream waters flows into intake chamber 011, and the water in downstream waters flows into compression chamber 012, treats that current are put down
After steady, dividing plate hand door 5 and delivery port hand door 12 are closed；
(3) water pump pipeline valve 15 is opened, starts immersible pump 4, it is poor by liquid level scale in timing and left part pool wall, use
Volumetric method tries to achieve flow, adjusts water pump pipeline valve 15, makes flow reach test requirements document, that is, reach the purpose of flow control；
(4) when the liquid level in compression chamber 012 rises to downstream fluid level, delivery port hand door 12 is opened, that is, reaches test
Required pressure is poor, reaches pressure controlled purpose, and the liquid level of compression chamber 012 is constant, water flow stationary flowing.
Claims (9)
1. the fluid pressurization device that a kind of flow and pressure dual are controlled, it is characterised in that include：
Intake chamber；
Water inlet pipe, one end connects with the intake chamber, and the water in other end connection upstream waters guiding upstream waters flows into intake chamber；
Compression chamber, connects with the intake chamber, and the container for forming compression chamber is provided with metering scale；
First switch part, blocks and connected between the compression chamber and intake chamber；
Outlet pipe, one end connects with the compression chamber, other end connection downstream waters；
Second switch part, blocks and connected between the compression chamber and outlet pipe；
Force (forcing) pump, for the indoor water of water inlet to be pumped in compression chamber, the pump water flow velocity of force (forcing) pump is adjustable.
2. the fluid pressurization device that flow as claimed in claim 1 and pressure dual are controlled, it is characterised in that the intake chamber
It is separated to form by dividing plate by same container with compression chamber.
3. the fluid pressurization device that flow as claimed in claim 1 and pressure dual are controlled, it is characterised in that the water inlet pipe
It is provided with many.
4. the fluid pressurization device that flow as claimed in claim 3 and pressure dual are controlled, it is characterised in that every water inlet pipe
It is provided with flow speed control valve and amount pressure cylinder.
5. the fluid pressurization device that flow as claimed in claim 1 and pressure dual are controlled, it is characterised in that the outlet pipe
It is provided with many.
6. the fluid pressurization device that flow as claimed in claim 1 and pressure dual are controlled, it is characterised in that the compression chamber
The water outlet side washboard that compression chamber is divided into observation ward and collecting chamber is inside provided with, the water outlet side washboard is provided with multiple mistakes
Water hole, the observation ward is provided with metering scale.
7. the fluid pressurization device that flow as claimed in claim 1 and pressure dual are controlled, it is characterised in that the force (forcing) pump
For immersible pump, it is indoor that the immersible pump is arranged on water inlet.
8. the fluid pressurization device that flow as claimed in claim 7 and pressure dual are controlled, it is characterised in that the intake chamber
The influent side washboard that intake chamber is divided into pump chamber and observation intake chamber is inside provided with, the influent side washboard is provided with many
Individual water hole, the pump chamber is used to accommodate immersible pump, and observation intake chamber is provided with metering scale.
9. the fluid pressure method that a kind of flow and pressure dual are controlled, it is characterised in that arbitrary using such as claim 1～8
Fluid pressurization device described in claim, comprises the following steps：
(1) first switch part and second switch part are opened, makes the conducting of water inlet pipe, intake chamber, compression chamber and outlet pipe, make upper water
The water in domain flows into intake chamber, after water flow stationary, closes first switch part and second switch part；
(2) open force (forcing) pump and the indoor water of water inlet is pumped into into compression chamber, record the change of the liquid level metering scale of compression chamber, and count
When, the flow velocity of current is calculated with volumetric method, force (forcing) pump pump water speed is now adjusted, make the flow be equal to default stream
Amount；
(3) indoor liquid level to be pressurised is reached after preset height, opens the second switch part, makes outlet pipe draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035429.3A CN105545718B (en) | 2016-01-19 | 2016-01-19 | Flow and pressure dual control fluid pressurization device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035429.3A CN105545718B (en) | 2016-01-19 | 2016-01-19 | Flow and pressure dual control fluid pressurization device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545718A CN105545718A (en) | 2016-05-04 |
| CN105545718B true CN105545718B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610035429.3A Active CN105545718B (en) | 2016-01-19 | 2016-01-19 | Flow and pressure dual control fluid pressurization device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983843A (en) * | 2018-07-06 | 2018-12-11 | 浙江大学 | A kind of pressure and the two-way of flow synchronously control make stream device and its make stream method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115017744B (en) * | 2022-08-08 | 2022-11-18 | 河北建投水务投资有限公司 | Modeling method and system of groundwater source water supply hydraulic calculation model |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477302A (en) * | 1977-12-02 | 1979-06-20 | Toshiba Corp | Controller of motor driven water pump |
| DE19831997A1 (en) * | 1998-07-16 | 2000-01-20 | Ewald Hennel | Process for regulating the pressure of a fluid |
| CN2895532Y (en) * | 2006-02-24 | 2007-05-02 | 刘家文 | Fully-automatic water-supplying device |
| CN101696684B (en) * | 2009-10-15 | 2011-08-31 | 杭州源流科技有限公司 | Self-circulation table-type pump performance experiment system |
| CN102383442B (en) * | 2011-09-08 | 2014-01-22 | 中铁上海工程局市政工程有限公司 | Water inlet pump chamber construction method |
| CN102797371B (en) * | 2012-08-17 | 2014-05-14 | 上海市城市建设设计研究总院 | Multifunctional water outlet pump room with high level well |
-
2016
- 2016-01-19 CN CN201610035429.3A patent/CN105545718B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983843A (en) * | 2018-07-06 | 2018-12-11 | 浙江大学 | A kind of pressure and the two-way of flow synchronously control make stream device and its make stream method |
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| CN105545718A (en) | 2016-05-04 |
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