CN105421283B - A kind of intake pool of controllable circular rector and water level - Google Patents

A kind of intake pool of controllable circular rector and water level Download PDF

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Publication number
CN105421283B
CN105421283B CN201510974957.0A CN201510974957A CN105421283B CN 105421283 B CN105421283 B CN 105421283B CN 201510974957 A CN201510974957 A CN 201510974957A CN 105421283 B CN105421283 B CN 105421283B
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water
water inlet
pore
pond body
pipe
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CN105421283A (en
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唐学林
郭苗
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China Agricultural University
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China Agricultural University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention relates to a kind of controllable circular rector and the intake pool of water level, the intake pool includes base plate, water inlet pipe, outlet pipe, the kuppe being set in outside the delivery port of water inlet pipe and the measuring and controlling of the bottom fixed seal connection of the top cover and pond body of the top fixed seal connection of the pond body and pond body of the cuboid cavity in both ends open surrounded by front side wall, rear wall, left side wall and right side wall;Wherein, a right apopore is opened up on right side wall, multiple water inlet pores, a upper water-out pore and a pressure pore is opened up on top cover, a lower discharging tube hole is opened up on base plate;Many water inlet pipes are stretched into pond body through multiple water inlet pores and built-in length is adjustable, upper water-out pipe is stretched into pond body through upper water-out pore and built-in length is adjustable, right water outlet pore is connected with right outlet pipe or is closed by right side wall baffle plate, lower discharging tube hole is connected with lower discharging tube or is closed by base plate baffle plate, and pressure pore is connected with pressure piping;Kuppe can adjust the inflow angle of water inlet pipe.

Description

A kind of intake pool of controllable circular rector and water level
Technical field
The present invention relates to a kind of intake pool, more particularly to a kind of controllable circular rector and water level intake pool.
Background technology
Intake pool is a kind of hydraulic structure played a key effect in water resources rational allotment, to Hydraulic and Hydro-Power Engineering The hydraulic loss of middle water inlet and pumping station system and flow regime, there is vital influence.Especially intake construction, to water The effect of fluidised form is crucial in pump, directly affects the efficiency and stabilization of pumping plant unit operation.Generally water inlet pool water level and flow velocity are all Import and export gate valve and control by adjusting, and circular rector size in pond and positive and negative all do not have consideration.Intake pool inner fluid speed It is the vector with size and Orientation, when any variable of velocity magnitude in intake pool or direction is changed over time, in intake pool Fluid circular rector is to change, and the change (circular rector non-zero, fluid is vortex flow) of circular rector also implies that the change of vorticity, just The vortex that scale size can be produced to differ.When being produced in intake pool, whirlpool, backflow, flow velocity inequality and water-flow distribution are uncontrollable When, pump efficiency can be caused to reduce, or even cause cavitation (in and unit vibration, pumping plant safety and stabilization are influenceed when serious.
The core configuration of existing intake pool is, by structure compositions such as inlet pipeline, pond body and outlet pipelines, to be led by using The measures such as stream pier, airflow fence, low bank, pressure (every) plate and deflection cone prevent or slow down the generation of bad fluidised form in intake pool.But Be, specific to a certain engineering reality, using which kind of measure economical and effective the most, in addition to water conservancy factor, how by these The structure that measure is combined with Practical Project is most simple, and economy is most reasonable, is most easy to construct and facilitate manage in the future, not a set of Common Criteria.Additionally, the water-flow distribution in existing intake pool cannot accordingly be adjusted with the change of operating mode, water level also is difficult to Dynamic equilibrium is reached within very short lock in time.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of controllable circular rector and the intake pool of water level, water inlet pipe becomes a mandarin Flow velocity and fluid flow angle, water inlet pipe and the distance between outlet pipe and base plate and pond body structure and inlet tube and outlet tube configuration Flexible modulation is needed with according to operating mode, such that it is able to form the target fluid circular rector and water inlet pool water level of stabilization in intake pool.
To achieve the above object, the present invention takes following technical scheme:The intake pool of a kind of controllable circular rector and water level, it is special Levy and be, the intake pool includes pond body, top cover, base plate, water inlet pipe, outlet pipe, kuppe and measuring and controlling;Wherein, institute State the cuboid cavity that pond body is the supreme bottom surrounded by front side wall, rear wall, left side wall and right side wall, and the pond body Broadside and side long lenth ratio be 2:3, the right side wall center offers a right water outlet pore, on the right water outlet pore One removable right side wall baffle plate is installed, the right water outlet pore is closed or open with according to operating mode needs;The top cover and institute The top fixed seal connection of pond body is stated, multiple tapped water inlet pores, a band internal thread are offered on the top cover Upper water-out pore and a pressure pore, the pressure pore is connected with the pressure piping for being pressurized or taking out pressure;Institute The bottom fixed seal connection of base plate and the pond body is stated, a lower discharging tube hole, the lower water outlet are offered on the base plate One removable base plate baffle plate is installed on pore, the lower discharging tube hole is closed or open with according to operating mode needs;Before described The baffle plate draw-in groove parallel to the right side wall, and the baffle plate are provided with the medial surface of side wall, rear wall, top cover and base plate Draw-in groove is located at the right side wall at the edge lengths long of pond body described in 2/3, is provided with one on the baffle plate draw-in groove and is matched therewith The removable pond body Internal baffle for closing, to be needed the structural adjustment of the pond body as cuboid or square according to operating mode;
The water inlet pipe includes water inlet end and water side, and the water inlet end is connected with secondary inlet pipeline, the water outlet The end-enclosed at end simultaneously equidistantly offers multiple delivery ports on the wall of side, be provided with the middle part outer wall of the water inlet pipe into Water pipe external screw thread;The water side of water inlet pipe described in many identicals is each passed through multiple water inlet pores and stretches into the pond In vivo, and respectively it is connected with the water inlet pore thread seal by the water inlet pipe external screw thread, by adjusting the water inlet pipe The position that external screw thread is connected with the water inlet pore, can adjust the length that the water inlet pipe is stretched into the pond body;
The outlet pipe includes upper water-out pipe, lower discharging tube and right outlet pipe;The upper water-out pipe includes water inlet end and goes out Water end (W.E.), the water side is connected with secondary upper water-out pipeline, and the water inlet end end is the regular horn mouth for intaking, institute State and upper water-out pipe external screw thread is provided with the middle part outer wall of upper water-out pipe;The described regular horn mouth of the upper water-out pipe passes through institute State upper water-out pore to stretch into the pond body, and connected with the upper water-out pore thread seal by the upper water-out pipe external screw thread Connect, by adjusting the position that the upper water-out pipe external screw thread is connected with the upper water-out pore, the upper water-out pipe can be adjusted and stretched Enter the length in the pond body;The lower discharging tube also includes water inlet end and water side, the water side and secondary lower discharging tube Road is connected, the water inlet end end be for intake positioning horn mouth, be provided with around the positioning horn mouth with it is described The lower discharging tube adpting flange that lower discharging tube hole is adapted, the positioning horn mouth is connected as desired by the lower discharging tube Flange replaces the base plate baffle plate and lower discharging tube hole fixed seal connection;The water inlet end of the right outlet pipe is as needed Instead of the right side wall baffle plate and the right water outlet pore fixed seal connection;
The kuppe includes cover cylinder, airflow fence leaf and apopore, and the upper inside wall of the cover cylinder is provided with internal thread, institute State kuppe be located at by the cover jacket casing water inlet pipe the water side outside and be threadedly coupled with the water inlet pipe, And the length of the cover cylinder can cover all delivery ports;Airflow fence leaf described in multi-disc is axially parallel set along the cover cylinder In the outside of the cover cylinder, and it is fixedly connected at a certain angle with the outer wall of the cover cylinder, the apopore is opened in described leading It is connected on the cover barrel between stream grid leaf and with the delivery port;
The measuring and controlling includes flow-metering mechanism and flow control device, and flow is provided with the water inlet pipe Governor motion, is provided with flow control device and flow-metering mechanism on the outlet pipe.
The apopore is consistent with the length of the airflow fence leaf along the length of cover cylinder axial direction.
The measuring and controlling also includes curl measuring mechanism, and the curl measuring mechanism is arranged on the upper water-out pipe It is interior.
The water inlet pipe is the six roots of sensation, and six water inlet pores, six water inlet pores point are offered on the top cover The angle that the corner and the baffle plate draw-in groove for not being arranged on the top cover are intersected with the side long of the top cover;The upper water-out Pore is arranged on the intersection point of the diagonal line of four, the right side water inlet pore.
The top and bottom of the pond body are provided with pond body flange, the surrounding of the top cover and base plate be respectively arranged with Top cover flange and base board flange that the pond body flange is adapted, the pond body is respectively by top and the pond body method of bottom The blue and top cover flange and base board flange and the top cover and base plate fixed seal connection.
The top cover is provided with top cover and reinforces boss at each water inlet pore;The top cover is around the upper water-out The region of pore and pressure pore is provided with positioning boss;The right side wall is provided with right side at the right water outlet pore and reinforces Boss.
The top cover also offers the locating flange dish of screwed hole including center, and the locating flange dish is threaded in institute The middle part of upper water-out pipe is stated, while being fixedly connected with the top cover around the upper water-out pore.
Top seal aprons slot is offered on the top cover flange medial surface of the top cover surrounding, around the bottom Base plate fluid sealant ring recess, the top seal aprons slot and base plate O-ring seal are offered on the base board flange medial surface of plate surrounding O-ring seal is respectively provided with groove.
Between the locating flange dish and the top cover, it is between the right side wall baffle plate and the right side wall and described O-ring seal pad is provided between base plate baffle plate or horn mouth flange and the base plate.
The pond body, top cover, base plate, water inlet pipe, outlet pipe and kuppe are using the organic material manufacture that transparency is high Form.
Due to taking above technical scheme, it has advantages below to the present invention:1st, controllable circular rector of the invention and water level Intake pool, by changing the airflow fence leaf angle of water inlet pipe flow and kuppe, carrys out dynamic and changes the flow velocity and inflow angle for becoming a mandarin The inflow conditions such as degree, reach the purpose for changing fluid circular rector in intake pool immediately.2nd, the present invention can spirit by water inlet pipe external screw thread The distance between adjustment water inlet pipe delivery port living and base plate, so that the wide fluid circular rector of codomain scope is obtained to greatest extent, with full The requirement of foot difference operating mode.3rd, the present invention passes through pond body Internal baffle, right side wall baffle plate and the base plate baffle plate for setting, and different Water inlet pipe and outlet pipe coordinated scheme, realize the different operating modes operation of different type intake pool, lift the working stability of intake pool Property and high efficiency.4th, the intake pool of controllable circular rector of the invention and water level, simple structure, it is easy to accomplish, it is easily worked, without it His extras, use cost is relatively low.5th, intake pool of the invention, is mainly used in carrying out for great number of issues in hydraulics category Experimental study, be the velocity flow profile and the hydraulic parameters such as the loss of flood peak, critical submergence depth and the whirlpool that becomes a mandarin of entery and delivery port Reference is provided;Industrial production can also be applied to, be had wide range of applications.
Brief description of the drawings
Fig. 1 is cross section structure diagram of the invention;
Fig. 2 is the cross section structure diagram after pond body of the present invention is assembled with top cover and base plate;
Fig. 3 is the overlooking the structure diagram of pond body of the present invention;
Fig. 4 is the right side structural representation of pond body of the present invention;
Fig. 5 is the structural representation of A-A sections in Fig. 3;
Fig. 6 is the overlooking the structure diagram of top cover of the present invention;
Fig. 7 is the present invention looks up structural representation of top cover of the present invention;
Fig. 8 is the overlooking the structure diagram of base plate of the present invention;
Fig. 9 is the present invention looks up structural representation of base plate of the present invention
Figure 10 is the overlooking the structure diagram of base plate baffle plate of the present invention;
Figure 11 is the structural representation of B-B sections in Figure 10;
Figure 12 is the cross section structure diagram of water inlet pipe of the present invention;
Figure 13 is the structural representation of C-C sections in Figure 12;
Figure 14 is the local enlarged section structural representation of water inlet pipe of the present invention;
Figure 15 is the structural representation of upper water-out pipe of the present invention;
Figure 16 is the overlooking the structure diagram of lower discharging tube of the present invention;
Figure 17 is the structural representation of D-D sections in Figure 16;
Figure 18 is the structural representation of connecting pipe hoop of the present invention;
Figure 19 is the structural representation of E-E sections in Figure 18;
Figure 20 is the main structure diagram of kuppe of the present invention;
Figure 21 is the left view structural representation of kuppe of the present invention;
Figure 22 is the structural representation of F-F sections in Figure 20;
Figure 23 is the cross section structure diagram of locating flange dish of the present invention;
Figure 24 is the structural representation of O-ring seal pad of the present invention;
Figure 25 is the structural representation of G-G sections in Figure 24.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the intake pool of a kind of controllable circular rector of present invention offer and water level, it includes pond body 1, top cover 2, bottom Plate 3, water inlet pipe 4, outlet pipe 5, kuppe 6 and measuring and controlling (not shown).
Wherein, as shown in Fig. 2~Figure 11, pond body 1 is to be enclosed by front side wall 11, rear wall 12, left side wall 13 and right side wall 14 Into supreme bottom cuboid cavity, and the lenth ratio on the broadside of pond body 1 and side long is 2:3;The right side wall 14 of pond body 1 Center offers a right water outlet pore 15, a removable right side wall baffle plate 16 is provided with right water outlet pore 15, with according to operating mode Need to close or open right water outlet pore 15;Top cover 2 and the top fixed seal connection of pond body 1, offer multiple bands on top cover 2 21, tapped upper water-out pore 22 of water inlet pore of internal thread and a pressure pore 23, pressure pore 23 and use It is connected in the pressure piping (not shown) for being pressurized or take out pressure, to realize pressure in different pond bodies 1, meets different works The requirement of condition;Base plate 3 and the bottom fixed seal connection of pond body 1, offer a lower discharging tube hole 31, lower water outlet on base plate 3 One removable base plate baffle plate 32 is installed on pore 31, closing or opening lower discharging tube hole 31 are needed with according to operating mode;In front side The baffle plate draw-in groove 17 parallel to right side wall 14, and baffle plate are provided with the medial surface of wall 11, rear wall 12, top cover 2 and base plate 3 Draw-in groove 17 is located at right side wall 14 at the edge lengths long of 2/3 pond body 1, be provided with baffle plate draw-in groove 17 one it is with matching can Tear formula pond body Internal baffle (not shown) open, to be needed the structural adjustment of pond body 1 as cuboid or square according to operating mode, from And realize that non-axis symmetry becomes a mandarin the conversion become a mandarin with axial symmetry.
As shown in Fig. 1 and Figure 12~Figure 14, water inlet pipe 4 includes water inlet end and water side, water inlet end and secondary inlet pipeline (not shown) is connected, the end-enclosed of water side and on the wall of side equidistantly offer three (only as example, and Not limited to this) delivery port 41, it is provided with water inlet pipe external screw thread 42 on the middle part outer wall of water inlet pipe 4;Many identical water inlet pipes 4 Water side is each passed through multiple water inlet pores 21 and stretches into pond body 1, and respectively by water inlet pipe external screw thread 42 and water inlet pore 21 Thread seal is connected, and by adjusting the position that water inlet pipe external screw thread 42 is connected with water inlet pore 21, can be adjusted water inlet pipe 4 and be stretched into The distance between length in pond body 1, the i.e. end of water inlet pipe 4 and base plate 3.
As shown in Fig. 1 and Figure 15~Figure 19, outlet pipe 5 includes upper water-out pipe 51, lower discharging tube 52 and right outlet pipe (in figure It is not shown);Upper water-out pipe 51 includes water inlet end and water side, and water side is connected with secondary upper water-out pipeline (not shown) Connect, water inlet end end is the regular horn mouth 53 for intaking, and is provided with outside upper water-out pipe on the middle part outer wall of upper water-out pipe 51 Screw thread 54;The regular horn mouth 53 of upper water-out pipe 51 is stretched into pond body 1 through upper water-out pore 22, and by the outer spiral shell of upper water-out pipe Line 54 is connected with the thread seal of upper water-out pore 22, by adjusting the position that upper water-out pipe external screw thread 54 is connected with upper water-out pore 22 Put, the length that upper water-out pipe 51 is stretched into pond body 1 can be adjusted, i.e., the distance between regular horn mouth 53 and base plate 3;Lower water outlet Pipe 52 also includes water inlet end and water side, and water side is connected with secondary lower discharging tube road 8 by connecting pipe hoop 81, water inlet end end Portion is the positioning horn mouth 55 for intaking, and the lower water outlet being adapted with lower discharging tube hole 31 is provided with around positioning horn mouth 55 Pipe adpting flange 56, positioning horn mouth 55 can be as desired by the replacement base plate baffle plate 32 of lower discharging tube adpting flange 56 with The fixed seal connection of water outlet pore 31, so that for intake pool provides a lower discharging tube road;The water inlet end of right outlet pipe can be with root According to needing to replace right side wall baffle plate 16 and the fixed seal connection of right water outlet pore 15, so that for intake pool provides a right outlet pipe Road.
As shown in Figure 20~Figure 22, kuppe 6 includes cover cylinder 61, airflow fence leaf 62 and apopore 63, the inwall of cover cylinder 61 Top is provided with internal thread, and kuppe 6 is set in outside the water side of water inlet pipe 4 and connects with the screw thread of water inlet pipe 4 by covering cylinder 61 Connect, and the length of cover cylinder 61 can cover all of delivery port 41;Two panels (only as example, however it is not limited to this) airflow fence leaf 62 The outside of cover cylinder 61 is axially parallel arranged at along cover cylinder 61, and is fixedly connected at a certain angle with the outer wall of cover cylinder 61;Apopore 63 are opened on cover 61 walls of cylinder between two panels airflow fence leaf 62 and are connected with delivery port 41, and apopore 63 is along the axial direction of cover cylinder 61 Length it is consistent with the length of airflow fence leaf 62;Kuppe 6 can change the inflow angle of water inlet pipe 4, so as to change intake pool Internal liquid circular rector.
Measuring and controlling includes flow-metering mechanism and flow control device, and flow control device can be flow control Valve (only as example, however it is not limited to this), flow-metering mechanism can be flowmeter (only as example, however it is not limited to this);Enter Flow control valve is provided with water pipe 4, the uninterrupted of water inlet pipe 4 can be immediately adjusted, so as to control the flow velocity size that becomes a mandarin, reached To target flow rate, on the basis of each water inlet pipe Water discharge flow speed is consistent, it is laid out by adjusting inflow angle and water inlet pipe, is formed Symmetrical fluidised form or asymmetric flow;Flow control valve and flowmeter are provided with outlet pipe 5, can be with real-time control and display water outlet The water flow of pipe 5.
In above-described embodiment, as shown in figure 1, measuring and controlling also includes curl measuring mechanism, curl measuring mechanism can To be signature partners 7, signature partners 7 are arranged in upper water-out pipe 51, the curl for measuring fluid in upper water-out pipe 51.
In above-described embodiment, the top and bottom of pond body 1 are provided with the surrounding point of pond body flange 18, top cover 2 and base plate 3 It is not provided with the top cover flange 24 and base board flange 33 being adapted with pond body flange 18, pond body 1 is respectively by top and bottom Pond body flange 18 and top cover flange 24 and base board flange 33 and top cover 2 and the fixed seal connection of base plate 3;Pond body flange 18, top Interval is evenly arranged with the pond body method of multiple screw pilot holes, the top of pond body 1 and bottom on lid flange 24 and base board flange 33 Blue 18 are bolted with top cover flange 24 and base board flange 33 respectively.
In above-described embodiment, top cover 2 is provided with top cover and reinforces boss 25 at each water inlet pore 21, for increasing water inlet pipe Hole 21 and the thread contact area of water inlet pipe 4, it is ensured that the bonding strength of water inlet pipe 4 and stable movement;Top cover 2 is around upper water-out pipe The region of hole 22 and pressure pore 23 is provided with positioning boss 26, for increasing upper water-out pore 22 and pressure pore 23 and above going out The contact area of water pipe 51 and pressure piping, it is ensured that bonding strength, while can be used for connection positioning;Right side wall 14 is in right water outlet Right side is provided with pore 15 and reinforces boss 19, the contact area for increasing right water outlet pore 15 and right outlet pipe, it is ensured that even Connect intensity.
In above-described embodiment, as shown in Fig. 1 and Figure 23, top cover 2 also offers the locating flange dish of screwed hole including center 27, locating flange dish 27 is threaded in the middle part of upper water-out pipe 51, while fixing company with the top cover 2 around upper water-out pore 21 Connect, the bonding strength of upper water-out pipe 51 and top cover 2 with the position of tightening upper water-out pipe 51, can be increased.
In above-described embodiment, water inlet pipe 4 is the six roots of sensation, and six water inlet pores 21, six water inlet pores 21 are offered on top cover 2 The angle that the corner and baffle plate draw-in groove 17 for being separately positioned on top cover 2 are intersected with the side long of top cover 2;Upper water-out pore 22 is arranged on On the intersection point of the water inlet diagonal line of pore 21 of four, right side.
In above-described embodiment, as shown in Figure 24, Figure 25, between locating flange dish 27 and top cover 2, right side wall baffle plate 16 with O-ring seal pad 9 is provided between right side wall 14 and between base plate baffle plate 32 or horn mouth flange 56 and base plate 3, is strengthened The sealing effectiveness of connection.
In above-described embodiment, top seal aprons slot 28 is offered on the medial surface of top cover flange 25 of the surrounding of top cover 2, Base plate fluid sealant ring recess 34, top seal aprons slot 28 and bottom are offered on the medial surface of base board flange 33 of the surrounding of base plate 3 O-ring seal is respectively provided with plate fluid sealant ring recess 34, the sealing property that pond body 1 is connected with top cover 2 and base plate 3 can be strengthened.
In above-described embodiment, pond body 1, top cover 2, base plate 3, water inlet pipe 4, outlet pipe 5 and kuppe 6 are high using transparency Organic material be fabricated by, the fluid flow state in convenient observation intake pool, and being easily worked, cost is relatively low.
Controllable circular rector of the invention and the intake pool of water level, can be widely applied to carry out for numerous in hydraulics category The experimental study of problem.The present invention can form inhomogeneity by the pond body Internal baffle, right side wall baffle plate and the base plate baffle plate that set The pond body shape of type, while each inlet and outlet pipe of flexibly arranging in pairs or groups, forms polytype intake pool experiment condition, to meet not Same type becomes circular rector experimental study;By the pressure mouth of pipe being arranged on top cover can also take out/pressurize, realize all types of works The change of different pond body pressure under condition, to meet different type conditions researching.The present invention can also be applied to industrial production, realize Different operating mode operations, lift the job stability and high efficiency of intake pool, finally realize fluid augmentor in intake pool, improve Intake pool internal flow state.
The experiment type that the present invention can be applied to carry out experiment is exemplified below:
Embodiment one:
The present invention can be applied in Hydraulic and Hydro-Power Engineering in the research of oviduct water inlet whirlpool.
The pond of intake pool pond body is wide, front and rear wall away from and the parameter such as flying height of upper water-out oviduct all can be to intake pool The fluidised form of interior water produces influence.Upper water-out pipe horn mouth flying height crosses conference increases manufacturing cost, but not necessarily obtains Hydraulic performance;And too small upper water-out pipe horn mouth flying height often increases the bell-mouthed local hydraulic of upper water-out pipe and damages Lose, deteriorate unit fixed on water pump suction fluidised form, or even the generation for causing the attached bottom whirlpool of upper water-out pipe horn mouth.From fluid continuity principle, By the flow of the upper water-out loudspeaker mouth of pipe to periphery between pond body base plate, it should equal to by upper water-out loudspeaker mouth of pipe section Flow, when the flying height of upper water-out oviduct is different, the velocity flow profile of pool inner water of intaking is also different.
Can be by adjusting the link position of upper water-out pipe external screw thread and upper water-out pore, regulation rule horn mouth 53 and bottom The distance between plate 3, realizes the change to the horn mouth suction head of upper water-out pipe;Control water inlet respectively by flow control valve The flow of pipe and outlet pipe, obtains different water-in and water-out flow summations, so as to control the water level in intake pool, realizes upper water-out Manage bell-mouthed different depth of immersions;By adjusting the link position of water inlet pipe external screw thread and water inlet pore, adjusting water outlet mouthful away from From the height of base plate, by adjusting the angle of kuppe airflow fence leaf, the direction that becomes a mandarin is adjusted, so as to obtain different fluid rings Amount;By changing flow velocity, the speed angle of water inlet pipe delivery port current, water-flow distribution in the intake pool of stabilization is obtained, and dynamically control The positive and negative and numerical values recited of water-flow distribution in intake pool processed, so as to realize the eddy-currents research to water inlet.
Embodiment two:
The present invention can be applied in the research of prewhirling of vane type oil pump import, and used as water pump experimental bench, research is prewhirled to leaf The influence of piece pump performance, and for the elimination of prewhirling of blade pump inlet provides guidance with control device research.
Flowing on flow section before the impeller inlet side of vane type oil pump is complicated Three-dimensional Flow, due to by impeller leaf Piece influences, and certain periodicity is along the circumferential direction presented, and there is backflow domain.Prewhirling for pump inlet can reduce quiet inside pump Pressure, and as the increase of flow, the decline of impeller channel inside static pressure are bigger, prewhirl stronger, decline more obvious.Prewhirl and reduce The absolute fluid flow angle on impeller inlet side, increases relative fluid flow angle.And impeller is typically according to irrotationality without angle of attack Theoretical Design, Appropriate increase is prewhirled can reduce the angle of attack, and impact loss reduces so that pump external characteristics increases within the specific limits;But With reinforcement of prewhirling, the angle of attack continues to reduce or even becomes the negative angle of attack so that impact loss increases, and the efficiency of pump is reduced on the contrary.
By impeller direction of rotation and the similarities and differences of liquid stream whirlpool direction of rotation define it is positive and negative prewhirl, therefore, it can by instant Adjust the flow velocity and incident angle of the current of water inlet pipe delivery port, realization is prewhirled the change in size and direction (positive and negative), so as to subtract Under the conditions of variable working condition, the impact loss of impeller inlet and return loss improve the water in off-design behaviour point to leaflet chip pump Power performance, widens Effec-tive Function scope.Curl is observed by the signature partners in upper water-out pipe, whirlpool angle and other whirlpools are obtained Whirlpool physical quantity;By modern physicses imaging technique (such as PIV, particle image velocimetry), instant recording is shot inside upper water-out pipe And prewhirl form and the evolution process at pump inlet and other positions.
Embodiment three:
The present invention can be applied in intake pool inner surface whirlpool is studied.By the stream of each water inlet pipe of Flow-rate adjustment valve regulation Amount, changes water inlet flow velocity and the speed angle of each water inlet pipe, obtains water-flow distribution in the controllable intake pool of dynamic;Flowed in axial symmetry Under condition and non-axis symmetry inlet flow conditions, by aspect researchs such as the depth of water, flow, circular rector constant, fluidised form descriptions, carry out to freedom Liquid level volute into, development and change Research on Regularity.
Example IV:
By using various sizes of lower discharging tube, the present invention can be relied on to carry out deep water hole with the tubaeform weir of water outlet spiral The combination of new flood discharge structure research, studies negative pressure of the controllable circular rector of the invention with the intake pool of water level in reduction well, hole And the effect in terms of energy dissipation rate.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, set location and its connected mode etc. All can be what is be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be arranged In addition in protection scope of the present invention.

Claims (10)

1. the intake pool of a kind of controllable circular rector and water level, it is characterised in that the intake pool includes pond body, top cover, base plate, water inlet Pipe, outlet pipe, kuppe and measuring and controlling;
Wherein, the pond body is the cuboid chamber of the supreme bottom surrounded by front side wall, rear wall, left side wall and right side wall Body, and the broadside of the pond body and the lenth ratio on side long are 2:3, the right side wall center offers a right water outlet pore, institute State and a removable right side wall baffle plate is installed on right water outlet pore, the right outlet pipe is closed or open with according to operating mode needs Hole;The top cover and the top fixed seal connection of the pond body, offer multiple tapped water inlet pipes on the top cover Hole, a tapped upper water-out pore and a pressure pore, the pressure pore and the pressure for being pressurized or taking out pressure Solenoid road is connected;The base plate and the bottom fixed seal connection of the pond body, offer a lower water outlet on the base plate Pore, is provided with a removable base plate baffle plate on the lower discharging tube hole, with according to operating mode need close or open it is described under go out Water pipe hole;The baffle plate parallel to the right side wall is provided with the medial surface of the front side wall, rear wall, top cover and base plate Draw-in groove, and the baffle plate draw-in groove is located at the right side wall at the edge lengths long of pond body described in 2/3, is pacified on the baffle plate draw-in groove Equipped with a removable pond body Internal baffle with matching, to be needed the structural adjustment of the pond body as rectangular according to operating mode Body;
The water inlet pipe includes water inlet end and water side, and the water inlet end is connected with secondary inlet pipeline, the water side End-enclosed simultaneously equidistantly offers multiple delivery ports on the wall of side, and water inlet pipe is provided with the middle part outer wall of the water inlet pipe External screw thread;The water side of water inlet pipe described in many identicals is each passed through multiple water inlet pores and stretches into the pond body It is interior, and respectively by the water inlet pipe external screw thread with it is described water inlet pore thread seal be connected, by adjusting outside the water inlet pipe The position that screw thread is connected with the water inlet pore, can adjust the length that the water inlet pipe is stretched into the pond body;
The outlet pipe includes upper water-out pipe, lower discharging tube and right outlet pipe;The upper water-out pipe includes water inlet end and water side, The water side is connected with secondary upper water-out pipeline, and the water inlet end end is the regular horn mouth for intaking, it is described on Upper water-out pipe external screw thread is provided with the middle part outer wall of outlet pipe;The described regular horn mouth of the upper water-out pipe is passed through on described Water outlet pore is stretched into the pond body, and is connected with the upper water-out pore thread seal by the upper water-out pipe external screw thread, By adjusting the position that the upper water-out pipe external screw thread is connected with the upper water-out pore, the upper water-out pipe can be adjusted and stretch into institute State the length in pond body;The lower discharging tube also includes water inlet end and water side, the water side and secondary lower discharging tube road phase Connection, the water inlet end end be for intake positioning horn mouth, be provided with around the positioning horn mouth with it is described under go out The lower discharging tube adpting flange that water pipe hole is adapted, the positioning horn mouth is as desired by the lower discharging tube adpting flange Instead of the base plate baffle plate and lower discharging tube hole fixed seal connection;The water inlet end of the right outlet pipe replaces as needed The right side wall baffle plate and the right water outlet pore fixed seal connection;
The kuppe includes cover cylinder, airflow fence leaf and apopore, and the upper inside wall of the cover cylinder is provided with internal thread, described to lead Stream cover is located at the outside of the water side of the water inlet pipe by the cover jacket casing and is threadedly coupled with the water inlet pipe, and institute The length for stating cover cylinder can cover all delivery ports;Airflow fence leaf described in multi-disc is axially parallel arranged at institute along the cover cylinder The outside of cover cylinder is stated, and is fixedly connected at a certain angle with the outer wall of the cover cylinder, the apopore is opened in the airflow fence It is connected on the cover barrel between leaf and with the delivery port;
The measuring and controlling includes flow-metering mechanism and flow control device, and Flow-rate adjustment is provided with the water inlet pipe Mechanism, is provided with flow control device and flow-metering mechanism on the outlet pipe.
2. the intake pool of a kind of controllable circular rector as claimed in claim 1 and water level, it is characterised in that the apopore is along described The length of cover cylinder axial direction is consistent with the length of the airflow fence leaf.
3. the intake pool of a kind of controllable circular rector as claimed in claim 1 and water level, it is characterised in that the measuring and controlling Also include curl measuring mechanism, the curl measuring mechanism is arranged in the upper water-out pipe.
4. the intake pool of a kind of controllable circular rector as claimed in claim 1 and water level, it is characterised in that the water inlet pipe is six Root, offers six water inlet pores on the top cover, six water inlet pores are separately positioned on the corner of the top cover And the angle that the baffle plate draw-in groove intersects with the side long of the top cover;The upper water-out pore is arranged on described in four, right side On the intersection point of the diagonal line of water inlet pore.
5. the intake pool of a kind of controllable circular rector as claimed in claim 1 or 2 or 3 or 4 and water level, it is characterised in that the pond The top and bottom of body are provided with pond body flange, and the surrounding of the top cover and base plate is respectively arranged with and the pond body flange phase The top cover flange and base board flange of adaptation, the pond body is respectively by top and the pond body flange and the top cover of bottom Flange and base board flange and the top cover and base plate fixed seal connection.
6. the intake pool of a kind of controllable circular rector as claimed in claim 1 and water level, it is characterised in that the top cover is each described Top cover is provided with water inlet pore reinforce boss;The top cover is set around the region of the upper water-out pore and pressure pore There is positioning boss;The right side wall is provided with right side at the right water outlet pore and reinforces boss.
7. the intake pool of a kind of controllable circular rector as claimed in claim 1 or 2 or 3 or 4 and water level, it is characterised in that the top Lid also offers the locating flange dish of screwed hole including center, and the locating flange dish is threaded in the upper water-out pipe Portion, while being fixedly connected with the top cover around the upper water-out pore.
8. the intake pool of a kind of controllable circular rector as claimed in claim 5 and water level, it is characterised in that around the top cover surrounding The top cover flange medial surface on offer top seal aprons slot, on the base board flange medial surface of the base plate surrounding Base plate fluid sealant ring recess is offered, O-ring seal is respectively provided with the top seal aprons slot and base plate fluid sealant ring recess.
9. the intake pool of a kind of controllable circular rector as claimed in claim 7 and water level, it is characterised in that in the locating flange dish Between the top cover, between the right side wall baffle plate and the right side wall and the base plate baffle plate or horn mouth flange with O-ring seal pad is provided between the base plate.
10. the intake pool of a kind of controllable circular rector as described in claim 1 or 2 or 3 or 4 or 6 or 8 or 9 and water level, its feature exists In the pond body, top cover, base plate, water inlet pipe, outlet pipe and kuppe are fabricated by using transparency organic material high.
CN201510974957.0A 2015-12-23 2015-12-23 A kind of intake pool of controllable circular rector and water level Active CN105421283B (en)

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CN203222785U (en) * 2013-04-27 2013-10-02 扬州大学 Y-shaped flow guiding pier used for forebay rectification
CN204570818U (en) * 2015-03-10 2015-08-19 扬州大学 A kind of closed intake pool Prevention and dissipation cone
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