CN106567867A - Design and production manufacturing method of variable cross-section (diameter) double-siphon-tube device - Google Patents
Design and production manufacturing method of variable cross-section (diameter) double-siphon-tube device Download PDFInfo
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- CN106567867A CN106567867A CN201610912613.1A CN201610912613A CN106567867A CN 106567867 A CN106567867 A CN 106567867A CN 201610912613 A CN201610912613 A CN 201610912613A CN 106567867 A CN106567867 A CN 106567867A
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- siphon
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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
- F04F10/00—Siphons
Abstract
The invention relates to a design and production manufacturing method of a variable cross-section (diameter) double-siphon-tube device. The design and production manufacturing method comprises an ecological bed body; a siphon inlet is formed in the interior of the ecological bed body and is connected with a variable cross-section tube; the variable cross-section tube is connected with a main siphon bend; the main siphon bend is provided with a main siphon control point and is connected with a siphon tube; the siphon tube is connected with an auxiliary siphon bend; the auxiliary siphon bend is provided with an auxiliary siphon control point A and an auxiliary siphon control point B and is connected with a siphon outlet; the siphon tube is provided with a siphon tube socket; and the siphon tube socket is connected with a siphon tube wall and a siphon tube socket rabbet. Therefore, the design and production manufacturing method has the advantages of liability in triggering siphoning, low energy consumption, accuracy in generating siphoning and having general applicability.
Description
Technical field
The invention belongs to water-treatment technology field, and in particular to a kind of variable cross-section（Footpath）The design and life of double siphon units
Produce manufacture method.
Background technology
Siphonal operation principle is：First inner air tube is discharged, makes in pipe, to form certain vacuum, due to Inlet water
The pressure of stream is more than atmospheric pressure, therefore in the inside and outside formation pressure reduction of pipe, makes current that the little ground of pressure is flowed to where big by pressure
Side；Siphonic process is complicated gas-liquid two-phase Three-dimensional Turbulent Flow, and water is in flowing with turbulent fluctuation, whirlpool rupture and with alveolate
The phenomenon such as stable and unstable, separation, broken；It is weir flow that siphon forms the streamflow regime at initial stage, is a kind of vacuum section
Practical weir flow, as current are drastically turned to, departs from tube wall, and air in tube is taken away by current, makes vacuum is produced in pipe, makees in vacuum
With under, its flow has larger discharge capacity than antivacuum section practical weir in the case of same head, can meet different fields
Heshui process and the needs of hydraulic engineering application；From waterpower theory, weir flow is produced to be developed by lock hole stream, can
Form lock hole and go out stream（That is pipe flow）With two kinds of fluidised forms of weir flow, only in the state of pipe flow, siphonage can be just produced, in pipe flow
And weir flow fluidised form between, it is impossible to ensure to produce siphon, for common " η " type siphon, can according to the computing formula of weir flow
Know, as flow of inlet water is more than weir flow flow in pipe, so in pipe water level rise it is relatively slow, outside tube water position rise it is very fast, only when
When caliber is less, siphon could be produced, caliber is not likely to produce siphon when increasing, especially makes after branched siphon parallel combination
With, then it cannot be guaranteed which occurs siphon simultaneously, while under the conditions of Large Diameter Pipeline due to weir flow top and the above water surface have it is certain
Water surface gradient, prevent in pipe water level from rising to " η " type pipe high point, form pipe flow, trigger then siphon, it is impossible to meet people
The functional requirement of siphon is produced under the conditions of particular design in time can；Find through years of researches and test, ordinary circumstance
The primary condition that lower siphon is produced is：1st, treat that draining face is higher than floss hole；2nd, water body will reach weir flow by hydraulic packing control point
State, and the limited height system of hydraulic packing control point；3rd, it is indispensable trigger condition that water is full of in pipe to form pipe flow；Traditional rainbow
Suction pipe is difficult to trigger siphon, is seriously constrained this unpowered, low energy consumption technologies of siphon due to the restriction of structural tube run-off etc.
Application；The functional requirements such as especially different occasions, different flow, the mesh of people different to siphon specification, size requirements
Mark is that siphon can be accurately produced under the conditions of different design requirements, to meet different use requirements；For problem above,
It is necessary a kind of easy triggering siphon of exploitation, low power consuming, accurately produces siphon, the variable cross-section with general applicability（Footpath）Double siphons
The design of pipe device and method for manufacturing.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and provide a kind of easily triggering siphon, low power consuming, accurately
Produce siphon, the variable cross-section with general applicability（Footpath）The design of double siphon units and method for manufacturing.
The object of the present invention is achieved like this：A kind of variable cross-section（Footpath）The design of double siphon units and manufacturing side
Method, it includes ecological bed bed body, and described ecological bed bed body is internally provided with siphon entrance, and described siphon entrance is connected with change
Variable-section tubular, described varying cross-section duct are connected with main siphon bend, be provided with primary rainbow and inhale control point, institute on described main siphon bend
The main siphon bend stated is connected with siphon, and described siphon is connected with time siphon bend, sets on described secondary siphon bend
Time siphon control point A and time siphon control point B is equipped with, described secondary siphon bend is connected with siphon outlet, described siphon
On be provided with siphon bell and spigot, described siphon bell and spigot is connected with siphon tube wall and siphon socket joint tongue and groove.
The scope of the inclination alpha of the die axis of described varying cross-section duct is 35-58 °, average 47 °, current and siphon entrance
Between tilt angle gamma scope be 0-20 °, average 15 °.
The reducing ratio of described varying cross-section duct is 1.2.
Described main siphon bend and time siphon bend coordinate, and form double siphoning installations.
The shape of described secondary siphon bend can be low water seal S it is curved can also be low water seal casing, water seal height is in 10-
Change between 50mm and be more adapted to, it is optimal less than 25mm for common siphon.
It can also be flat mouth pipeline that described siphon can be round mouth pipeline, and the width range of flat mouth pipeline is in 50-
It is preferred between 120mm.
If the heavy caliber of described siphon pipeline special requirement, it is possible to provide use technical parameter, in hydraulic packing control point
Highly less than in the range of 8mm, processing customization can make the siphon of all size, bore.
By the regulation to the vertical dimension between secondary siphon control point A and secondary siphon control point B, siphon can be accurately controlled
Displacement and water discharge time.
Beneficial effects of the present invention：From for the angle of energy, current will reach weir overflow just by siphon control point
It is likely to form siphon；Siphon control point is higher, and the more, siphon forms rear suction and accordingly increases the energy of needs, siphon control point
It is lower, siphon is just more also easy to produce, research finds that the condition of siphon triggering is：1st, negative pressure is persistently produced in pipe；2nd, form steady in managing
Fixed closing water column；3rd, flow velocity substantially increases；Due to common " η " type siphon water inlet and water (flow) direction in water inlet drastically
Change, cause velocity flow profile very uneven, resistance to water-flow, local losses become big, be mechanical energy in potential energy（Kinetic energy）When shape
Into vortex and Secondary Flow, consumed energy, the pressure difference for causing siphon is reduced, the formation of siphon is constrained, therefore, we are main
Siphon is improved in terms of two：1st, the smooth arrival siphon control point of current is enable, to form weir flow in time；2、
Quick formation vacuum in pipe is made after forming weir flow, to overcome short tube drag losses, the process that accelerating tube stream is formed first, to change
The inclination alpha of import pipeline section, import direction；The drag losses of water inlet segment is reduced, the rate of climb of fluid is affected, α is bigger, water
Stream local losses resistance is bigger；α is less, and local losses are less and current can faster reach siphon control point, so as to accelerate siphon
Formed, in the case that siphon control point height is certain, α is too little and increased length of pipe section；Expand and use installing space, Jing is more
Between 35 ° ~ 50 °, it is minimum to meet resistance, the requirement of smooth water inlet for secondary test α, can be according to different use occasions, really
Fixed optimal water inlet angle α, routinely selects 47 ° preferably, current and siphon import tilt angle gamma, affects the flow velocity and flow direction of import current,
Change more suitable between 0 ° -20 °, average angle is preferred for 15 °, secondly, the size of change import pipeline section, formed into
Mouthful descending reducing pipeline section for gradually tapering up, can so make current by section it is big flow to section it is little when, in same pressure
Under the conditions of, flow velocity is accelerated, and makes current quickly travel to and through hydraulic packing control point, forms weir flow, and import pipeline section reducing is known in Jing tests
Than for 1.2 when it is optimal, the 3rd, export in siphon piping, add low water seal siphon together, when making primary rainbow inhale weir flow, low water
Envelope siphon is quickly formed, and makes continuous negative pressure, closing water column, the generation of triggering siphon are quickly formed in pipe, and the superposition of siphon twice makes
Siphon time of origin morning, the abundant safety of siphon, persistent period are long, Water discharge flow speed is substantially increased, mean flow rate up to 1.5m/s,
More than 3.2m/s is reached as high as, twice water seal causes siphon twice, so as to siphon overlaps twice, interacts, promotees mutually
Enter so that the siphon time started, it is very complete that stable operation stage siphon develops very early；Substantially increase siphon effect, the 4th,
Siphon piping exit length L also has much relations with siphon effect, and lengthening outlet conduit becomes apparent from can siphon effect, if
Too short, the invalid loss ratio of current is increased, and is unfavorable for closing the formation of water column, when outlet section L is longer, is conducive to closing water column
Generate；So as to promote siphon to occur, in the case where siphon control point height is certain, there is a rational L minima, generally
>=100mm is preferred, and the 5th, siphon piping exports the shape of low water seal can be that low water seal S is curved, or low water seal casing,
Water seal height is more suitable in 10～50mm, selects suitable water seal height to general rainbow to the siphon of different size, size
For suction pipe ,≤25mm is more suitable, it is certain to siphon control point A and La in the case of, by secondary siphon control point A and time
The regulation of the vertical dimension between the B of siphon control point, can accurately control siphon drainage amount and water discharge time, and the 6th, by each
Plant siphon actual fabrication, the test table as shown by data of different size bore；No matter arrange flat from flow velocity, flow or practical application
Mouth pipeline is more suitable for through engineering approaches application than round mouth pipeline, and the width of ordinary circumstance lower flat mouth pipe is preferred between 50～120mm,
Socket joint tongue and groove is designed simultaneously, is made by compression molding and is individually made product standard component, by superposition assembling in front and back, meet different
The requirement of engineering of use requirement, the 7th, to heavy caliber, the siphon piping of special requirement, it is possible to provide use requirement and parameter processing
Formulate, in the range of less than hydraulic packing control point height 8.0m, the different requirements for using siphon occasion can be met, what siphon was formed
Dominant mechanism is hydraulic pressure difference, uiform section（Footpath）Double siphons and variable cross-section（Footpath）The difference of double siphons, pressure that just flowing is produced and
For speed, variable cross-section apparently higher than uiform section, for the double siphon pipings of variable cross-section, liquid ascent stage section from large to small,
Liquid water stream speed can be made more and more fast in the flow dynamic starting stage, form hump section water column in advance, accelerate to produce siphon,
So that siphon negative pressure increases significantly, the draft of siphon is improve, accelerate the flow process of liquid, while two siphons are successively sent out
It is raw, and intersect collaboration at any time and carry out, when siphon is produced, the negative pressure state in pipeline is also promoted each other facilitates, therefore can maximum limit
Degree using fluid potential energy, increase drainability, can to greatest extent more can be gentle using fluid potential energy the machinery for being converted into fluid
Can, noise is less；Therefore, the present invention have easily triggering siphon, low power consuming, accurately produce siphon, with the excellent of general applicability
Point.
Description of the drawings
Fig. 1 is a kind of variable cross-section of the invention（Footpath）The design of double siphon units and the front view of method for manufacturing.
Fig. 2 is flat mouth siphon assembling figure.
Fig. 3 is the sectional view of flat mouth siphon A-A.
Fig. 4 is round mouth siphon assembling figure.
Fig. 5 is round mouth siphon A-A sectional views.
In figure：1st, ecological bed bed body 2, siphon entrance 3, varying cross-section duct 4, primary rainbow inhale control point 5, main siphon bend
6th, siphon 7, secondary siphon control point A 8, secondary siphon bend 9, secondary siphon control point B 10, siphon outlet 11, siphon hold
Socket 12, siphon tube wall 13, siphon socket joint tongue and groove.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-5, a kind of variable cross-section（Footpath）The design of double siphon units and method for manufacturing, it includes ecological bed bed
Body 1, described ecological bed bed body 1 are internally provided with siphon entrance 2, and described siphon entrance 2 is connected with varying cross-section duct 3, described
Varying cross-section duct 3 be connected with main siphon bend 5, be provided with described main siphon bend 5 primary rainbow inhale control point 4, described master
Siphon bend 5 is connected with siphon 6, and described siphon 6 is connected with time siphon bend 8, arranges on described secondary siphon bend 8
There is secondary siphon control point A7 and time siphon control point B9, described secondary siphon bend 8 is connected with siphon outlet 10, described siphon
Siphon bell and spigot 11 is provided with pipe 6, described siphon bell and spigot 11 is connected with siphon tube wall 12 and siphon socket joint enterprise
Mouth 13.
Beneficial effects of the present invention：From for the angle of energy, current will reach weir overflow just by siphon control point
It is likely to form siphon；Siphon control point is higher, and the more, siphon forms rear suction and accordingly increases the energy of needs, siphon control point
It is lower, siphon is just more also easy to produce, research finds that the condition of siphon triggering is：1st, negative pressure is persistently produced in pipe；2nd, form steady in managing
Fixed closing water column；3rd, flow velocity substantially increases；Due to common " η " type siphon water inlet and water (flow) direction in water inlet drastically
Change, cause velocity flow profile very uneven, resistance to water-flow, local losses become big, be mechanical energy in potential energy（Kinetic energy）When shape
Into vortex and Secondary Flow, consumed energy, the pressure difference for causing siphon is reduced, the formation of siphon is constrained, therefore, we are main
Siphon is improved in terms of two：1st, the smooth arrival siphon control point of current is enable, to form weir flow in time；2、
Quick formation vacuum in pipe is made after forming weir flow, to overcome short tube drag losses, the process that accelerating tube stream is formed first, to change
The inclination alpha of import pipeline section, import direction；The drag losses of water inlet segment is reduced, the rate of climb of fluid is affected, α is bigger, water
Stream local losses resistance is bigger；α is less, and local losses are less and current can faster reach siphon control point, so as to accelerate siphon
Formed, in the case that siphon control point height is certain, α is too little and increased length of pipe section；Expand and use installing space, Jing is more
Between 35 ° ~ 50 °, it is minimum to meet resistance, the requirement of smooth water inlet for secondary test α, can be according to different use occasions, really
Fixed optimal water inlet angle α, routinely selects 47 ° preferably, current and siphon import tilt angle gamma, affects the flow velocity and flow direction of import current,
Change more suitable between 0 ° -20 °, average angle is preferred for 15 °, secondly, the size of change import pipeline section, formed into
Mouthful descending reducing pipeline section for gradually tapering up, can so make current by section it is big flow to section it is little when, in same pressure
Under the conditions of, flow velocity is accelerated, and makes current quickly travel to and through hydraulic packing control point, forms weir flow, and import pipeline section reducing is known in Jing tests
Than for 1.2 when it is optimal, the 3rd, export in siphon piping, add low water seal siphon together, when making primary rainbow inhale weir flow, low water
Envelope siphon is quickly formed, and makes continuous negative pressure, closing water column, the generation of triggering siphon are quickly formed in pipe, and the superposition of siphon twice makes
Siphon time of origin morning, the abundant safety of siphon, persistent period are long, Water discharge flow speed is substantially increased, mean flow rate up to 1.5m/s,
More than 3.2m/s is reached as high as, twice water seal causes siphon twice, so as to siphon overlaps twice, interacts, promotees mutually
Enter so that the siphon time started, it is very complete that stable operation stage siphon develops very early；Substantially increase siphon effect, the 4th,
Siphon piping exit length L also has much relations with siphon effect, and lengthening outlet conduit becomes apparent from can siphon effect, if
Too short, the invalid loss ratio of current is increased, and is unfavorable for closing the formation of water column, when outlet section L is longer, is conducive to closing water column
Generate；So as to promote siphon to occur, in the case where siphon control point height is certain, there is a rational L minima, generally
>=100mm is preferred, and the 5th, siphon piping exports the shape of low water seal can be that low water seal S is curved, or low water seal casing,
Water seal height is more suitable in 10～50mm, selects suitable water seal height to general rainbow to the siphon of different size, size
For suction pipe ,≤25mm is more suitable, it is certain to siphon control point A and La in the case of, by secondary siphon control point A and time
The regulation of the vertical dimension between the B of siphon control point, can accurately control siphon drainage amount and water discharge time, and the 6th, by each
Plant siphon actual fabrication, the test table as shown by data of different size bore；No matter arrange flat from flow velocity, flow or practical application
Mouth pipeline is more suitable for through engineering approaches application than round mouth pipeline, and the width of ordinary circumstance lower flat mouth pipe is preferred between 50～120mm,
Socket joint tongue and groove is designed simultaneously, is made by compression molding and is individually made product standard component, by superposition assembling in front and back, meet different
The requirement of engineering of use requirement, the 7th, to heavy caliber, the siphon piping of special requirement, it is possible to provide use requirement and parameter processing
Formulate, in the range of less than hydraulic packing control point height 8.0m, the different requirements for using siphon occasion can be met, what siphon was formed
Dominant mechanism is hydraulic pressure difference, uiform section（Footpath）Double siphons and variable cross-section（Footpath）The difference of double siphons, pressure that just flowing is produced and
For speed, variable cross-section apparently higher than uiform section, for the double siphon pipings of variable cross-section, liquid ascent stage section from large to small,
Liquid water stream speed can be made more and more fast in the flow dynamic starting stage, form hump section water column in advance, accelerate to produce siphon,
So that siphon negative pressure increases significantly, the draft of siphon is improve, accelerate the flow process of liquid, while two siphons are successively sent out
It is raw, and intersect collaboration at any time and carry out, when siphon is produced, the negative pressure state in pipeline is also promoted each other facilitates, therefore can maximum limit
Degree using fluid potential energy, increase drainability, can to greatest extent more can be gentle using fluid potential energy the machinery for being converted into fluid
Can, noise is less；Therefore, the present invention have easily triggering siphon, low power consuming, accurately produce siphon, with the excellent of general applicability
Point.
Embodiment 2
As Figure 1-5, a kind of variable cross-section（Footpath）The design of double siphon units and method for manufacturing, it includes ecological bed bed
Body 1, described ecological bed bed body 1 are internally provided with siphon entrance 2, and described siphon entrance 2 is connected with varying cross-section duct 3, described
Varying cross-section duct 3 be connected with main siphon bend 5, be provided with described main siphon bend 5 primary rainbow inhale control point 4, described master
Siphon bend 5 is connected with siphon 6, and described siphon 6 is connected with time siphon bend 8, arranges on described secondary siphon bend 8
There is secondary siphon control point A7 and time siphon control point B9, described secondary siphon bend 8 is connected with siphon outlet 10, described siphon
Siphon bell and spigot 11 is provided with pipe 6, described siphon bell and spigot 11 is connected with siphon tube wall 12 and siphon socket joint enterprise
Mouthfuls 13, the scope of the inclination alpha of the die axis of described varying cross-section duct 3 is 35-58 °, average 47 °, current and siphon entrance 2 it
Between tilt angle gamma scope be 0-20 °, average 15 °；The reducing ratio of described varying cross-section duct 3 is 1.2, and described primary rainbow inhales curved
Pipe 5 and time siphon bend 8 coordinate, and form double siphoning installations, and the shape of described secondary siphon bend 8 can be that low water seal S is curved
Can be low water seal casing, water seal height changes between 10-50mm and is more adapted to, for common siphon less than 25mm most
Good, it can also be flat mouth pipeline that described siphon 6 can be round mouth pipeline, the width range of flat mouth pipeline 50-120mm it
Between be preferred, if the heavy caliber of 6 pipeline special requirement of described siphon, it is possible to provide use technical parameter, in hydraulic packing control point
Highly less than in the range of 8mm, processing customization can make the siphon of all size, bore, by secondary siphon control point A7
And the regulation of the vertical dimension between secondary siphon control point B9, can accurately control siphon drainage amount and water discharge time.
Beneficial effects of the present invention：From for the angle of energy, current will reach weir overflow just by siphon control point
It is likely to form siphon；Siphon control point is higher, and the more, siphon forms rear suction and accordingly increases the energy of needs, siphon control point
It is lower, siphon is just more also easy to produce, research finds that the condition of siphon triggering is：1st, negative pressure is persistently produced in pipe；2nd, form steady in managing
Fixed closing water column；3rd, flow velocity substantially increases；Due to common " η " type siphon water inlet and water (flow) direction in water inlet drastically
Change, cause velocity flow profile very uneven, resistance to water-flow, local losses become big, be mechanical energy in potential energy（Kinetic energy）When shape
Into vortex and Secondary Flow, consumed energy, the pressure difference for causing siphon is reduced, the formation of siphon is constrained, therefore, we are main
Siphon is improved in terms of two：1st, the smooth arrival siphon control point of current is enable, to form weir flow in time；2、
Quick formation vacuum in pipe is made after forming weir flow, to overcome short tube drag losses, the process that accelerating tube stream is formed first, to change
The inclination alpha of import pipeline section, import direction；The drag losses of water inlet segment is reduced, the rate of climb of fluid is affected, α is bigger, water
Stream local losses resistance is bigger；α is less, and local losses are less and current can faster reach siphon control point, so as to accelerate siphon
Formed, in the case that siphon control point height is certain, α is too little and increased length of pipe section；Expand and use installing space, Jing is more
Between 35 ° ~ 50 °, it is minimum to meet resistance, the requirement of smooth water inlet for secondary test α, can be according to different use occasions, really
Fixed optimal water inlet angle α, routinely selects 47 ° preferably, current and siphon import tilt angle gamma, affects the flow velocity and flow direction of import current,
Change more suitable between 0 ° -20 °, average angle is preferred for 15 °, secondly, the size of change import pipeline section, formed into
Mouthful descending reducing pipeline section for gradually tapering up, can so make current by section it is big flow to section it is little when, in same pressure
Under the conditions of, flow velocity is accelerated, and makes current quickly travel to and through hydraulic packing control point, forms weir flow, and import pipeline section reducing is known in Jing tests
Than for 1.2 when it is optimal, the 3rd, export in siphon piping, add low water seal siphon together, when making primary rainbow inhale weir flow, low water
Envelope siphon is quickly formed, and makes continuous negative pressure, closing water column, the generation of triggering siphon are quickly formed in pipe, and the superposition of siphon twice makes
Siphon time of origin morning, the abundant safety of siphon, persistent period are long, Water discharge flow speed is substantially increased, mean flow rate up to 1.5m/s,
More than 3.2m/s is reached as high as, twice water seal causes siphon twice, so as to siphon overlaps twice, interacts, promotees mutually
Enter so that the siphon time started, it is very complete that stable operation stage siphon develops very early；Substantially increase siphon effect, the 4th,
Siphon piping exit length L also has much relations with siphon effect, and lengthening outlet conduit becomes apparent from can siphon effect, if
Too short, the invalid loss ratio of current is increased, and is unfavorable for closing the formation of water column, when outlet section L is longer, is conducive to closing water column
Generate；So as to promote siphon to occur, in the case where siphon control point height is certain, there is a rational L minima, generally
>=100mm is preferred, and the 5th, siphon piping exports the shape of low water seal can be that low water seal S is curved, or low water seal casing,
Water seal height is more suitable in 10～50mm, selects suitable water seal height to general rainbow to the siphon of different size, size
For suction pipe ,≤25mm is more suitable, it is certain to siphon control point A and La in the case of, by secondary siphon control point A and time
The regulation of the vertical dimension between the B of siphon control point, can accurately control siphon drainage amount and water discharge time, and the 6th, by each
Plant siphon actual fabrication, the test table as shown by data of different size bore；No matter arrange flat from flow velocity, flow or practical application
Mouth pipeline is more suitable for through engineering approaches application than round mouth pipeline, and the width of ordinary circumstance lower flat mouth pipe is preferred between 50～120mm,
Socket joint tongue and groove is designed simultaneously, is made by compression molding and is individually made product standard component, by superposition assembling in front and back, meet different
The requirement of engineering of use requirement, the 7th, to heavy caliber, the siphon piping of special requirement, it is possible to provide use requirement and parameter processing
Formulate, in the range of less than hydraulic packing control point height 8.0m, the different requirements for using siphon occasion can be met, what siphon was formed
Dominant mechanism is hydraulic pressure difference, uiform section（Footpath）Double siphons and variable cross-section（Footpath）The difference of double siphons, pressure that just flowing is produced and
For speed, variable cross-section apparently higher than uiform section, for the double siphon pipings of variable cross-section, liquid ascent stage section from large to small,
Liquid water stream speed can be made more and more fast in the flow dynamic starting stage, form hump section water column in advance, accelerate to produce siphon,
So that siphon negative pressure increases significantly, the draft of siphon is improve, accelerate the flow process of liquid, while two siphons are successively sent out
It is raw, and intersect collaboration at any time and carry out, when siphon is produced, the negative pressure state in pipeline is also promoted each other facilitates, therefore can maximum limit
Degree using fluid potential energy, increase drainability, can to greatest extent more can be gentle using fluid potential energy the machinery for being converted into fluid
Can, noise is less；Therefore, the present invention have easily triggering siphon, low power consuming, accurately produce siphon, with the excellent of general applicability
Point.
Specific embodiment is unrestricted to further illustrating for the present invention, is existed for those of ordinary skills
Structure is done in the case of without departing from flesh and blood of the present invention and further convert, and all these conversion should all belong to institute of the present invention
Attached scope of the claims.
Claims (8)
1. a kind of variable cross-section（Footpath）The design of double siphon units and method for manufacturing, it includes ecological bed bed body, its feature
It is：Described ecological bed bed body is internally provided with siphon entrance, and described siphon entrance is connected with varying cross-section duct, described change
Variable-section tubular is connected with main siphon bend, is provided with primary rainbow and inhales control point, described main siphon bend on described main siphon bend
Be connected with siphon, described siphon is connected with time siphon, be provided with described secondary siphon time siphon control point A with
Secondary siphon control point B, described secondary siphon are connected with siphon outlet, and siphon bell and spigot is provided with described siphon,
Described siphon bell and spigot is connected with siphon tube wall and siphon socket joint tongue and groove.
2. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：The scope of the inclination alpha of the die axis of described varying cross-section duct is 35-58 °, average 47 °, current and siphon entrance it
Between tilt angle gamma scope be 0-20 °, average 15 °.
3. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：The reducing ratio of described varying cross-section duct is 1.2.
4. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：Described main siphon bend and time siphon bend coordinate, and form double siphoning installations.
5. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：The shape of described secondary siphon bend can be low water seal S it is curved can also be low water seal casing, water seal height is in 10-
Change between 50mm and be more adapted to, it is optimal less than 25mm for common siphon.
6. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：It can also be flat mouth pipeline that described siphon can be round mouth pipeline, and the width range of flat mouth pipeline is in 50-
It is preferred between 120mm.
7. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：If the heavy caliber of described siphon piping special requirement, it is possible to provide use technical parameter, in hydraulic packing control point height
In the range of 8mm, processing customization can make the siphon of all size, bore.
8. a kind of variable cross-section according to claim 1（Footpath）The design of double siphon units and method for manufacturing, which is special
Levy and be：By the regulation to the vertical dimension between secondary siphon control point A and secondary siphon control point B, siphon can be accurately controlled
Displacement and water discharge time.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107999152A (en) * | 2017-12-13 | 2018-05-08 | 深圳中检联检测有限公司 | A kind of adaptive bidirectional falling-proof inhales device |
| CN108442306A (en) * | 2018-04-09 | 2018-08-24 | 中建三局第建设工程有限责任公司 | A kind of self-regulation the siphon priming device suitable for water variation |
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| US5983413A (en) * | 1994-12-28 | 1999-11-16 | Toto Ltd. | High performance flush toilet |
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| CN107999152A (en) * | 2017-12-13 | 2018-05-08 | 深圳中检联检测有限公司 | A kind of adaptive bidirectional falling-proof inhales device |
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| CN108442306A (en) * | 2018-04-09 | 2018-08-24 | 中建三局第建设工程有限责任公司 | A kind of self-regulation the siphon priming device suitable for water variation |
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Application publication date: 20170419 |