CN107309103A - A kind of energy-efficient water-saving shower system and method for work - Google Patents
A kind of energy-efficient water-saving shower system and method for work Download PDFInfo
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- CN107309103A CN107309103A CN201710539101.XA CN201710539101A CN107309103A CN 107309103 A CN107309103 A CN 107309103A CN 201710539101 A CN201710539101 A CN 201710539101A CN 107309103 A CN107309103 A CN 107309103A
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- water
- vapour
- nozzle
- contraction
- main liquid
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
- B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
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- Nozzles (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
The present invention discloses a kind of energy-efficient water-saving shower system and method for work, including main liquid cavity；Water inlet is provided with the top of main liquid cavity；The bottom of main liquid cavity is evenly equipped with some annular contraction and enlargement nozzles；Some vapour-liquid centre pipes are provided between the roof and bottom wall of main liquid cavity, vapour-liquid centre pipe is straight pipe, connect the roof exterior space of main liquid cavity and the bottom space of annular contraction and enlargement nozzle；Vapour-liquid centre pipe passes through annular contraction and enlargement nozzle center；Water inlet, main liquid cavity and annular contraction and enlargement nozzle are interconnected.The present invention produces substantial amounts of high speed fine droplet jet using the annular contraction and enlargement nozzle with center vapour-liquid conduit, and speed is fast, and scouring force is strong, can be obtained with smaller water and preferably wash away bathing experiences, with excellent water-saving performance.Suction is produced when fluid scouring centre pipe outside wall surface, the multiphase mixture suction lead of the hot-air at the top of conduit, vapor and water smoke the sensible heat of the sensible heat of hot-air, the latent heat of vapor, and water smoke can be recycled.
Description
Technical field
It is more particularly to a kind of to carry out the efficient of Water Sproading and recuperation of heat the present invention relates to bathroom shower system technical field
Energy-saving water-saving shower system and method for work.
Background technology
In daily bathing activity, shower nozzle is usually used.Traditional shower nozzle typically uses shower head structure,
Top is water inlet pipe, and centre is generally cavity, and bottom is porous water outlet plate.This traditional shower head structure, which exists, much asks
Topic, has been difficult in adapt to the whole world increasingly serious drought and water shortage and energy shortage situation：
(1) water consumption is larger, and power consumption or gas consumption are uneconomical.
(2) water effective rate of utilization is relatively low.One more extreme example is to pour a basin water from moment on the head of bather
When lower, substantial amounts of water does not have the body of directly contact bather, drops to ground rapidly in very short time and is wasted.
Traditional shower nozzle is larger due to water outlet liquid-drop diameter, and the water for really being contacted with skin and producing good scouring effect only takes up water
A seldom part for total amount.Most water is obstructed by the one layer of liquid falling film clung to the body flow boundary layer, without abundant
Touch human body skin, do not play effectively bathing effect.
(3) heat utilization efficiency is extremely low, and energy waste is more serious.Be close to skin liquid falling film flow boundary layer typically and its
The thickness of thermal boundary layer is similar, and a laminar sublayer is generally there are in boundary layer bottom.It is being close in this thin layer of skin,
Generally require the heat transfer of hot water to skin with the mode of heat transfer.In this thin layer, due to water thermal conductivity factor in itself
Not high, thermal conduction resistance is larger, and heat transfer is slower.Traditional shower nozzle is larger due to water outlet liquid-drop diameter, on skin
Residence time it is shorter, most hot water be not in time for also heat transfer has just dropped to ground, drain via sewer, lead
Most heats are caused to be wasted.
(4) traditional shower nozzle goes out water drop because particle diameter is larger, the oxygen content of drop limited with the effective contact area of air
It is not high, easily there is sensation of asphyxia during bathing, Consumer's Experience is not good.
(5) when the hydraulic pressure of water system is relatively low, traditional shower nozzle water outlet is difficult, and bathing experiences are poor.Particularly in building
When the layer higher or water use peak phase, Consumer's Experience is poor.
The content of the invention
It is an object of the invention to provide a kind of energy-efficient water-saving shower system and method for work, Water Sproading can be carried out
With recuperation of heat to solve above-mentioned technical problem.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of energy-efficient water-saving shower system, including main liquid cavity；Water inlet is provided with the top of main liquid cavity；The bottom of main liquid cavity
It is evenly equipped with some annular contraction and enlargement nozzles；Some vapour-liquid centre pipes are provided between the roof and bottom wall of main liquid cavity, vapour-liquid center is led
Manage as straight pipe, the roof exterior space of connection main liquid cavity and the bottom space of annular contraction and enlargement nozzle；Vapour-liquid centre pipe is passed through
Annular contraction and enlargement nozzle center；Water inlet, main liquid cavity and annular contraction and enlargement nozzle are interconnected.
Further, the outer surface of the inner surface of annular contraction and enlargement nozzle and vapour-liquid centre pipe forms a scaling type ring-type
Nozzle arrangements；Scaling type annular nozzle structure includes the contraction section and expansion segment being connected with each other, length of the contraction section than expansion segment
Greatly.
Further, the top and bottom of annular contraction and enlargement nozzle are open；The top open part of annular contraction and enlargement nozzle is provided with
The junction and vapour-liquid center of some nozzle inlet reinforcements, the annular contraction and enlargement nozzle of nozzle inlet reinforcement connection and main liquid cavity are led
Tube outer surface；Some jet expansion reinforcements, jet expansion reinforcement connection ring are provided with the bottom opening of annular contraction and enlargement nozzle
Shape contraction and enlargement nozzle bottom and vapour-liquid centre pipe outer surface.
Further, multistage filter is installed in water inlet；Multistage filter is open-topped cylindrical shape；Multistage mistake
Large aperture porous plate and small-bore porous plate are provided with filter, large aperture porous plate is located in the middle part of multistage filter, and small-bore is more
Orifice plate is located at multistage filter exit；The diameter in the hole in the porous plate of large aperture is more than the straight of the hole in the porous plate of small-bore
Footpath.
Further, the upper periphery of multistage filter is provided with a stepped raised structures；Rank is provided with water inlet
Ladder-shaper structure, the step structure coordinates with stepped raised structures, and multistage filter is fixed in water inlet；Water inlet with
Annulus sealing ring is installed between level filter；Multistage filter is provided with hemispherical thrust at its top inlet.
Further, the top inner wall and bottom outer wall of vapour-liquid centre pipe are equipped with chamfering.
Further, a bell sunk structure for being directed to top water inlet is arranged at the bottom of main liquid cavity, for shunting of intaking
With the intensity of increase main liquid cavity.
Further, the outer surface of cupular part of main liquid cavity is disposed with vapour-liquid and reclaims funnel；Vapour-liquid reclaim funnel bottom with it is some
Root vapour-liquid conduit is communicated.
Further, main liquid cavity is that longitudinal section is in lambdoid revolving body.
A kind of method of work of energy-efficient water-saving shower system, including：The mixing warm water of cold water and hot water is by water inlet
Into main liquid cavity；Mixing warm water flows into several uniform annular scaling sprays with vapour-liquid centre pipe after being shunted in main liquid cavity
Mouth；Mixing warm water is continuously increased in the contraction section flow velocity of annular contraction and enlargement nozzle, and Peak Flow Rate is reached in nozzle throat, and follow-up
Expansion segment produces strong boundary layer separation and flowed with lift-off, broken to form substantial amounts of fine droplet jet；Drip jet and ring
The barrier of the reinforcement formation of shape contraction and enlargement nozzle outlet carries out high velocity impact, and rupture forms smaller drop；High-speed jet bag
The outside wall surface for wrapping up in centre pipe is flowed, and the intersection interflow that bottom is produced promptly moves away air, forms a sky
Gas negative pressuren zone simultaneously produces suction, and the multiphase mixture of the hot-air, vapor and water smoke on vapour-liquid centre pipe top is sucked into vapour
Liquid centre pipe simultaneously is allowed to flow downward, and the drip jet produced in vapour-liquid centre pipe exit with annular contraction and enlargement nozzle is again
It is secondary to form collision, mixing and the breakup of drop.
Further, multiple uniform annular contraction and enlargement nozzles 8 can be in the drip jet of respective exit generation simultaneously
Shape is expanded, develop into jet in the bottom (such as head-on collision area 23) of any a pair of nozzles mutually clashes two-by-two, and is further broken up into
For the smaller drip jet of particle diameter；The liquid-drop diameter ultimately formed is smaller, huge number, and speed is fast, and scouring force is strong, can be thinned
Liquid film is in the flow boundary layer of human body surface, and greatly, heat transfer efficiency is high, substantially increases new water and human body's skin and connects for the coefficient of heat transfer
Tactile area and probability, it is easier to wash away booty, bathing experiences are washed away equivalent to being obtained with smaller water compared with big yield,
The water outlet for avoiding traditional shower nozzle most of is not made full use of by human body also the hot water for just having dropped ground and being discharged to waste
Problem, has reached the purpose of energy-saving water-saving；Meanwhile, drop total surface area is big, is sufficiently mixed with air, and oxygen content is high, heat transfer effect
It is really good, form a warm bell shape thermal confinement environment；Further, since liquid-drop diameter is smaller, it is to avoid big drop is hit at a high speed
Hit the sense of discomfort that human body is brought.
A kind of energy-efficient water-saving shower system of the present invention, including water inlet, multistage filter, annulus sealing ring, annular
Contraction and enlargement nozzle, main liquid cavity, vapour-liquid reclaim funnel, vapour-liquid conduit, and some reinforcement supporting constructions.The mixing of cold water and hot water
Thing is entered after system by the water inlet at top, flows through multistage filter；In multistage filter, if big provided with dried layer different pore size
Small porous plate, coarse granule and fine grained can be filtered out successively, it is also possible that cold water is further uniform mixed herein with hot water
Close, form the warm water that certain temperature is adapted to human body shower；It is lambdoid main liquid cavity that warm water after well mixed, which flows into longitudinal section,
Herein towards all directions uniform divided flows；Warm water after shunting flows into several uniform annular scaling sprays with centre pipe
Mouth；Current are continuously increased in the contraction section flow velocity of nozzle, and the Peak Flow Rate of tens of metre per second (m/s)s is reached in nozzle throat, and in nozzle
Subsequent expansion section produces strong boundary layer separation and flowed with lift-off, broken to form substantial amounts of fine droplet jet；Drip jet
High velocity impact is carried out with the barrier of the reinforcement formation of outlet, rupture forms smaller drop.
Further, it is provided with the axle center of annular contraction and enlargement nozzle outside a vapour-liquid centre pipe, the bottom of vapour-liquid centre pipe
Wall is provided with chamfering；A part of drip jet flows along centre pipe outside wall surface, and at center, the exit of vapour-liquid conduit, which is formed, hands over
Fork collaborates and produces high velocity impact, so as to further be broken for the smaller drop of particle diameter；Because the high-speed jet center of being wrapped in is led
The outside wall surface of pipe is flowed, and the intersection interflow that bottom is produced promptly moves away air, forms an air negative pressure area simultaneously
Suction is produced, so as to by the multiphase mixture suction lead of the hot-air, vapor and water smoke on conduit top and be allowed to dirty
Move, and the drip jet produced at conduit outlet with contraction and enlargement nozzle forms collision, mixed and the breakup of drop again；Main liquid cavity
Outer surface of cupular part be disposed with vapour-liquid collection funnel, its bottom is communicated with some vapour-liquid centre pipes, expand to hot-air,
The collection area of vapor and water smoke multiphase mixture.
Further, interior chamfering is provided with the top of vapour-liquid conduit, makes hot-air, vapor and water smoke multiphase mixture more square
Being inhaled into just；A retraction structure is provided with inside water inlet, retraction structural base is provided with chamfering, the chamfering of this chamfering and filter
It is engaged, prevents filter from dropping into main liquid cavity；Filter top is provided with annular groove, to be put into ring-shaped rubber sealing ring.
Further, some reinforcements are provided with the top of contraction and enlargement nozzle, by the bottom of nozzle, centre pipe and main liquid cavity
Portion links together；The bottom of contraction and enlargement nozzle is provided with some reinforcements, and nozzle is linked together with centre pipe, increase
Mechanical strength, to ensure that the relative position of conduit and nozzle is constant；Meanwhile, the reinforcement in exit plays the work of barrier
With when high speed water jet impact barrier, it being made to be broken for smaller drop.
The present invention also provides a kind of energy-efficient water-saving method of shower system, is sprayed using the annular scaling with centre pipe
The fluid mechanics principle of mouth so that current contraction section constantly accelerates, reaches Peak Flow Rate, and produce strongly in expansion segment in throat
Boundary layer separation and lift-off flow, it is broken to form substantial amounts of fine droplet jet；Drip jet and the barrier in exit enter
Row high velocity impact, again rupture forms smaller drop；Multiple uniform annular contraction and enlargement nozzles produce drop simultaneously in exit
Jet, jet develops into two-by-two mutually head-on collision in bottom, is further broken up into as the smaller drip jet of particle diameter in expansion shape；
Intersection interflow and the collision formed at centre pipe outer wall surface chamfer causes drop to be further broken for the smaller drop of particle diameter, and
And exit air can rapidly be drained, negative pressuren zone is formed, suction is produced, by the hot-air at the top of conduit, vapor and water
The multiphase mixture suction lead of mist, can recycle the sensible heat of the sensible heat of hot-air, the latent heat of vapor, and water smoke,
Produce energy-saving water-saving effect；Meanwhile, the multiphase mixture of hot-air, vapor and water smoke is inhaled into after conduit, in conduit outlet
Locate to form collision again with the drip jet that contraction and enlargement nozzle is produced, mix and the breakup of drop.
Drop is after the shattering process of several wheels, and final liquid-drop diameter is smaller, huge number, and speed is fast, scouring force
By force, the area and probability of new water and human body's skin contact are substantially increased, it is easier to wash away booty, equivalent to smaller water
Amount is obtained washes away bathing experiences compared with big yield, has reached the purpose of water-saving；Simultaneously as liquid-drop diameter is smaller, it is to avoid
The sense of discomfort that big drop high-speed impact human body is brought.
Further, liquid-drop diameter is smaller, huge number, and speed is fast, and scouring force is strong, it is easy to destroy current in human body skin
The flow boundary layer on skin surface, is thinned flow boundary layer, reduces the heat conduction heat between warm water and human body skin in boundary layer
Resistance, can realize larger thermograde with the less temperature difference, according to heat conduction Fourier law, form more effective heat transfer；
On the other hand, new water drop is due to jet impingement function, it is easier to directly gets to human body and is in close contact with skin surface, is added
The surface area that new water drop is conducted heat with skin, while there is higher convection transfer rate, can also according to Newtonian Cooling formula
Preferably transfer heat to human body；These physical actions can utilize less water, and relatively low water temperature reaches larger biography
Heat, produces energy-saving effect.
Further, liquid-drop diameter is smaller, huge number, and surface area is big, more abundant with air contact, can be preferably pre-
Hot-air；The drip jet for the bell shape that annular contraction and enlargement nozzle is produced interacts with air, forms the comparison of a bell shape
Uniform thermal confinement environment so that bathing process more snugness；Simultaneously because droplet surface area is big, fully connect with air
Touch, oxygen content is higher, is more beneficial for skin health, can also reduce the sensation of asphyxia during bathing；In addition, in nozzle ring
Cardiac catheter can produce suction, and the hot-air at the top of conduit is sucked, and the drip jet produced with contraction and enlargement nozzle is mixed again,
The oxygen content of drop can be increased, the sensation of asphyxia during bathing is reduced.
Further, liquid-drop diameter is smaller, huge number, and surface area is big, due to surface tension effects, extends drop and exists
The residence time of human body skin, so as to have more plenty of time to carry out heat transfer, heat output is added, energy-saving effect is produced；
This is different from traditional showerhead system, and because the Action of Gravity Field of big drop is much larger than surface tension, most of hot water does not come also
Obtain and fully contacted with human body, deep exploitation is not obtained, ground has just been dropped to, sewer is entered and is wasted.
It is to be noted that clever structure of the present invention, largely using airflow design.Particularly with center vapour-liquid conduit
Annular contraction and enlargement nozzle structure, cleverly using fluid mechanics principle, can be such that current constantly accelerate in the contraction phase and in throat
Reach the flow velocity of tens of metre per second (m/s)s；Even in the case where water supply pressure is less high, the small of high flow velocities still can be produced
Drip jet, meets bathing demand.Main liquid cavity structure is that longitudinal section is in lambdoid revolving body, is aided with multi-point support, cleverly
The cross-bridges span of excessive horizontal direction is avoided, Intensity Design is reasonable.Agent structure can use engineering plastics, using FDM
Or the 3D printing technique such as SLA is printed, the problem of solving process forming.
Relative to prior art, the invention has the advantages that：
1st, the present invention produces substantial amounts of high speed fine droplet jet, grain using the annular contraction and enlargement nozzle with center vapour-liquid conduit
Footpath is small, and speed is fast, and scouring force is strong, and heat-transfer effect is good, can be obtained with smaller water and preferably wash away bathing experiences, with excellent
Good energy-saving water-saving performance.Because liquid-drop diameter is smaller, impact human body is without pain.
2nd, produce suction when fluid scouring centre pipe outside wall surface, can by the hot-air at the top of conduit, vapor with
The multiphase mixture suction lead of water smoke, therefore, it is possible to recycle the sensible heat of hot-air, the latent heat of vapor, and water smoke
Sensible heat, produces energy-saving water-saving effect.
3rd, the liquid-drop diameter that the present invention is produced is small, and number is big, and speed is fast, and scouring force is strong, can destroy flow boundary layer, subtract
Thin flow boundary layer, reduces thermal conduction resistance；Droplet is easier directly to contact human body skin under percussion simultaneously, changes
Hot coefficient is big, good energy-conserving effect.
4th, the drip jet and air that the present invention is produced are sufficiently mixed, and have pre- heat effect to air, form a bell shape
Thermal confinement environment, can make shower person feel more snugness in cold snap；Meanwhile, drop oxygen content is high, makes shower person
No asphyxia sense.
5th, the present invention is using having the annular contraction and enlargement nozzle structure ingenious with central tube, even in hydraulic pressure less high feelings
Also the drip jet of higher speed can be produced under condition, the demand of bathing is met；In addition, the present invention is using threaded connection, it is easy for installation,
Traditional shower nozzle can very easily be replaced.
The present invention produces substantial amounts of high speed fine droplet jet, particle diameter using the annular contraction and enlargement nozzle with center vapour-liquid conduit
Small, speed is fast, and scouring force is strong, and heat-transfer effect is good, can be obtained with smaller water and preferably wash away bathing experiences, with excellent
Energy-saving water-saving performance.Suction is produced when fluid scouring centre pipe outside wall surface, the hot-air at the top of conduit, water can be steamed
The multiphase mixture suction lead of gas and water smoke, can recycle the sensible heat of hot-air, the latent heat of vapor, and water smoke
Sensible heat.
Brief description of the drawings
Fig. 1 is a kind of energy-efficient water-saving shower system stereochemical structure profile of the present invention；
Fig. 2 (a) is a kind of energy-efficient water-saving shower system stereo appearance figure of the present invention；
Fig. 2 (b) is a kind of energy-efficient water-saving shower system polycrystalline substance outside drawing of the present invention；
Fig. 3 is multistage filter stereochemical structure profile of the present invention；
Fig. 4 is main liquid cavity of the present invention and sealing ring and strainer cover cooperation schematic diagram；
Fig. 5 is the contraction and enlargement nozzle stereochemical structure profile of the invention with centre pipe；
Fig. 6 is that multiple contraction and enlargement nozzles of the invention interact and intersect the schematic diagram at interflow.
Embodiment
The present invention is proposed on the premise of practicable processing technology is solved.Below in conjunction with specific accompanying drawing pair
The present invention is described in further detail.
Shown in reference picture 1, the present invention provides a kind of energy-efficient water-saving shower system, including water inlet 1, annulus sealing ring
2nd, multistage filter 3, vapour-liquid reclaim funnel 4, vapour-liquid conduit 5, main liquid cavity 6, nozzle inlet reinforcement 7, annular contraction and enlargement nozzle 8,
And jet expansion reinforcement 9.
Referring to figs. 1 to shown in Fig. 2, water inlet 1 is located at the top of main liquid cavity 6, and its outer wall is provided with external screw thread, to be connected to confession
Water pipe.Multistage filter 3 is installed in water inlet 1.The mixture of cold water and hot water is entered after system by the water inlet 1 at top,
Multistage filter 3 is flowed through, coarse granule and fine grained can be filtered out successively, it is also possible that cold water is further equal herein with hot water
Even mixing, forms the warm water that certain temperature is adapted to human body shower.It is lambdoid master that warm water after well mixed, which flows into longitudinal section,
Sap cavity 6, to all directions uniform divided flows in main liquid cavity 6.Warm water after shunting flows into several and is distributed on the bottom of main liquid cavity 6
Annular contraction and enlargement nozzle 8；Crushed in the annular expansion segment of contraction and enlargement nozzle 8 and form substantial amounts of fine droplet jet.Partial drop jet with
The barrier of the formation of reinforcement 9 of outlet carries out high velocity impact, and rupture forms smaller drop.
The structure of main liquid cavity 6 is that longitudinal section is in lambdoid revolving body, and is provided with some annular contraction and enlargement nozzles 8, if net gas
The multi-point support structure of fluid catheter 5 and reinforcement 7, cleverly avoids the excessive cross-bridges span of horizontal direction.Structure design
Compare rationally, both save material, there is larger intensity again.Agent structure can select engineering plastics, using FDM or SLA
Printed etc. 3D printing technique, the problem of solving process forming.
Shown in reference picture 2 (b), the bottom of vapour-liquid conduit 5 is provided with a chamfering structure 10, when current wrap up the appearance of conduit
When surface current is moved, interflow can be formed in exit.
Shown in reference picture 3, multistage filter 3 is open-topped cylindrical shape；Set at the close import of multistage filter 3
One stepped raised structures, the upper and lower part of the stepped raised structures has chamfering 15 and chamfering 16, both may be used
Effectively to prevent multistage filter 3 from dropping into main liquid cavity 6, can easily it be drawn off again.Multistage filter 3 it is stepped
Semi-circular shape groove 13 is provided with raised structures, to be put into rubber annular sealing ring 2.Stepped knot is provided with water inlet 1
Structure, the step structure coordinates with chamfering 15, and multistage filter 3 is fixed in water inlet 1；The inside of water inlet 1 also is provided with
Semi-circular shape groove, is provided with annulus sealing ring 2 between the mouth of a river 1 and multistage filter 3；The part of annulus sealing ring 2 is located at multistage
In the semi-circular shape groove 13 of filter 3, partly in the semi-circular shape groove of water inlet 1.
Large aperture porous plate 11 and small-bore porous plate 17 are provided with multistage filter 3, large aperture porous plate 11 is located at many
The middle part of level filter 3, small-bore porous plate 17 is located at the exit of multistage filter 3.Large aperture porous plate 11 and small-bore are set
Porous plate 17, large-size particles and small size particle can be filtered out successively, prevent the throat of nozzle 8 from producing blocking.Filter 3
Perforated plate construction it is also possible that cold water is further uniformly mixed herein with hot water, form certain temperature and be adapted to human body shower
Warm water.System operation for a period of time after, if it find that dirt, can take out filter, carried out at small-bore porous plate 17
Backwash, little particle is rinsed away successively with bulky grain thing.Hemispherical projection is provided with the close import of multistage filter 3
Thing 14, can both serve as impetus and extract filter 3, and not cause larger disturbance to flowing.The bottom of multistage filter 3
Also chamfering 17 is provided with, to insert it into main liquid cavity 6.Multistage filter 3 compact, it is to avoid excessive cross-bridges across
Degree, can be printed using 3D printing techniques such as FDM or SLA.
Shown in reference picture 4, rubber annular sealing ring 2 is embedded into the semi-circular shape groove 13 of filter 3, can be played
Sealing function, is then inserted into main liquid cavity 6 by filter 3.The stepped raised structures at the top of filter 3 are provided with chamfering 15,
It is engaged with the step structure of import 1, prevents multistage filter 3 from dropping into main liquid cavity 6.
Shown in reference picture 5, some vapour-liquid centre pipes 5, vapour-liquid centre pipe are provided between the top of main liquid cavity 6 and bottom wall
5 be straight pipe.A vapour-liquid centre pipe 5 is correspondingly arranged at each annular contraction and enlargement nozzle 8, vapour-liquid centre pipe 5 passes through ring
The center of shape contraction and enlargement nozzle 8.The inner surface of annular contraction and enlargement nozzle 8 forms a scaling type ring with the outer surface of vapour-liquid centre pipe 5
Shape nozzle arrangements；Scaling type annular nozzle structure includes the contraction section and expansion segment being connected with each other, and contraction section is longer than expansion segment
Degree is big.Some reinforcements 7, reinforcement 7 and center vapour-liquid conduit 5 are provided with the junction of annular contraction and enlargement nozzle 8 and main liquid cavity 6
It is connected, this can effectively increase its structural strength, and keep the relative position of centre pipe 5 and annular contraction and enlargement nozzle 8 not
Become, so that it is guaranteed that the geometry of fluid passage is indeformable.
Current are continuously increased in the contraction section flow velocity of annular contraction and enlargement nozzle 8.Due to the circulation area very little of throat 18 of nozzle,
Current can reach the Peak Flow Rate of tens of metre per second (m/s)s in throat 18, and in the strong boundary layer point of nozzle subsequent expansion section generation
Flowed from lift-off, form small drip jet.Expansion segment is shorter, main to play guiding drip jet direction.One
The barrier for dividing drip jet to be formed with the reinforcement 9 that exit is set carries out high velocity impact, ruptures and forms smaller drop.
Provided with a vapour-liquid centre pipe 5 at the axle center of annular contraction and enlargement nozzle 8, its bottom outer wall face is provided with chamfering 10.One
Part current be close to vapour-liquid centre pipe 5 outside wall surface flowing, influenceed by chamfering 10, exit formed intersect interflow and
High velocity impact is produced, so as to further be broken for the smaller drop of particle diameter.Because high-speed jet is wrapped in vapour-liquid centre pipe 5
Outside wall surface is flowed, and the intersection interflow that bottom is produced promptly moves away air, and an air negative pressure area is formed in bottom
19 and suction is produced, so that by the multiphase mixture suction lead of the hot-air, vapor and water smoke on the top of vapour-liquid centre pipe 5
And be allowed to flow downward, and the drip jet in the exit of vapour-liquid centre pipe 5 and contraction and enlargement nozzle generation produces collision, mixed again
Close and the breakup of drop.The bottom margin of annular contraction and enlargement nozzle 8 is provided with fillet 20, with anti-scratch bather.
Shown in reference picture 6, a bell sunk structure 21 is arranged at the bottom of main liquid cavity 6, can play shunting action, avoid simultaneously
Excessive cross-bridges span, can increase the intensity of cavity.The air negative pressure area 19 that the bottom of vapour-liquid centre pipe 5 is produced, can
With by the multiphase mixture suction lead of the hot-air, vapor and water smoke on the top of vapour-liquid centre pipe 5.Vapour-liquid centre pipe 5
Top be provided with interior chamfering 22, so as to by gas vapour-liquid multiphase mixture suck.The outer surface of cupular part of main liquid cavity 6 is disposed with vapour-liquid and returned
Funnel 4 is received, its bottom is communicated with some vapour-liquid conduits 5, expands the receipts to hot-air, vapor and water smoke multiphase mixture
Collect area.
Multiple uniform annular contraction and enlargement nozzles 8 can produce drip jet simultaneously in respective exit.Multiple jets are in expansion
Shape is opened, develop into jet in the bottom (such as area 23 of clashing) of any a pair of nozzles mutually clashes two-by-two, and is further broken up into
For the smaller drip jet of particle diameter.Drop is after the shattering process of several wheels, and the liquid-drop diameter of final formation is smaller, number
Huge, speed is fast, and scouring force is strong, and heat-transfer effect is good, and the effect that the big quantity of traditional shower nozzle is washed away can be reached with small water, tool
There is energy-saving water-saving.
Droplet huge number, total surface area is big, can more fully be contacted with air, therefore can preferably preheat sky
Gas.The drip jet for the bell shape that annular contraction and enlargement nozzle is produced interacts with air, and the ratio for forming a bell shape is more uniform
Thermal confinement environment so that bathing process more snugness.Density diminishes after air heats, produces upward free convection.
Vapor, and drop collide produced water smoke and carry by hot-air and flow upward with human body, rather than directly all
Fall earthward and drained by sewer.The multiphase mixture (such as mixture 24 and 25) of this gas vapour-liquid moves to vapour-liquid and reclaims leakage
During the top of bucket 4, vapour-liquid centre pipe 5 is inhaled into, and the drip jet produced at conduit outlet with contraction and enlargement nozzle is again
Collision, mixing and the breakup of drop are formed, effect of recuperation of heat and Water Sproading is produced.
Claims (10)
1. a kind of energy-efficient water-saving shower system, it is characterised in that including main liquid cavity (6)；Provided with water inlet at the top of main liquid cavity (6)
Mouth (1)；The bottom of main liquid cavity (6) is evenly equipped with some annular contraction and enlargement nozzles (8)；It is provided between the roof and bottom wall of main liquid cavity (6)
Some vapour-liquid centre pipes (5), vapour-liquid centre pipe (5) is straight pipe, the roof exterior space and annular of connection main liquid cavity (6)
The bottom space of contraction and enlargement nozzle (8)；Vapour-liquid centre pipe (5) passes through annular contraction and enlargement nozzle (8) center；Water inlet (1), main liquid cavity
(6) it is interconnected with annular contraction and enlargement nozzle (8).
2. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that annular contraction and enlargement nozzle (8)
The outer surface of inner surface and vapour-liquid centre pipe (5) form a scaling type annular nozzle structure；Scaling type annular nozzle knot
Structure includes the contraction section and expansion segment being connected with each other, and contraction section is bigger than the length of expansion segment.
3. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that annular contraction and enlargement nozzle (8)
Top and bottom be open；The top open part of annular contraction and enlargement nozzle (8) is provided with some nozzle inlet reinforcements (7), nozzle
The annular contraction and enlargement nozzle (8) of import reinforcement (7) connection and the junction and vapour-liquid centre pipe (5) outer surface of main liquid cavity (6)；Ring
Some jet expansion reinforcements (9), jet expansion reinforcement (9) connection annular are provided with the bottom opening of shape contraction and enlargement nozzle (8)
Contraction and enlargement nozzle (8) bottom and vapour-liquid centre pipe (5) outer surface.
4. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that installed in water inlet (1)
There is multistage filter (3)；Multistage filter (3) is open-topped cylindrical shape；It is porous provided with large aperture in multistage filter (3)
Plate (11) and small-bore porous plate (17), large aperture porous plate (11) are located in the middle part of multistage filter (3), small-bore porous plate
(17) it is located at multistage filter (3) exit；The diameter in the hole in large aperture porous plate (11) is more than small-bore porous plate (17)
In hole diameter.
5. a kind of energy-efficient water-saving shower system according to claim 4, it is characterised in that multistage filter (3)
Upper periphery is provided with a stepped raised structures；Step structure, the step structure and ladder are provided with water inlet (1)
Shape raised structures coordinate, and multistage filter (3) is fixed in water inlet (1)；Pacify between water inlet (1) and level filter (3)
Equipped with annulus sealing ring (2)；Multistage filter (3) is provided with hemispherical thrust (14) at its top inlet.
6. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that vapour-liquid centre pipe (5)
Top inner wall and bottom outer wall be equipped with chamfering.
7. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that main liquid cavity (6) cuts to be vertical
Face is in lambdoid revolving body；One bell sunk structure (21) for being directed to top water inlet (1) is arranged at the bottom of main liquid cavity (6),
Intensity for intake shunting and increase main liquid cavity (6).
8. a kind of energy-efficient water-saving shower system according to claim 1, it is characterised in that the top of main liquid cavity (6)
Outer surface is disposed with vapour-liquid and reclaims funnel (4)；Vapour-liquid reclaims funnel (4) bottom and communicated with some vapour-liquid conduits (5).
9. a kind of method of work of energy-efficient water-saving shower system any one of claim 1 to 8, its feature exists
In, including：The mixing warm water of cold water and hot water enters main liquid cavity (6) by water inlet (1)；Warm water is mixed in main liquid cavity (6) to divide
The annular contraction and enlargement nozzle (8) of several uniform band vapour-liquid centre pipes (5) is flowed into after stream；Warm water is mixed in annular contraction and enlargement nozzle
(8) contraction section flow velocity is continuously increased, and reaches Peak Flow Rate in nozzle throat, and produce strong boundary layer in subsequent expansion section
Separation is flowed with lift-off, broken to form substantial amounts of fine droplet jet；Drip jet and the reinforcement of annular contraction and enlargement nozzle (8) outlet
The barrier of muscle (9) formation carries out high velocity impact, and rupture forms smaller drop；High-speed jet is wrapped in the outer wall of centre pipe
Face is flowed, and the intersection interflow that bottom is produced promptly moves away air, forms an air negative pressure area and produces suction,
The multiphase mixture of the hot-air, vapor and water smoke on vapour-liquid centre pipe (5) top is sucked into vapour-liquid centre pipe (5) and made
Flow downward, and formed and touch again in the drip jet that vapour-liquid centre pipe (5) exit and annular contraction and enlargement nozzle (8) are produced
Hit, mix and the breakup of drop.
10. method of work according to claim 9, it is characterised in that multiple uniform annular contraction and enlargement nozzles (8) are respective
The drip jet that exit is produced simultaneously develops into jet two in expansion shape in the bottom of any pair of annular contraction and enlargement nozzle (8)
Two mutually head-on collisions, and be further broken into the smaller drip jet of particle diameter.
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| CN201710539101.XA CN107309103B (en) | 2017-07-04 | 2017-07-04 | A kind of energy-efficient water-saving shower system and working method |
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| CN201710539101.XA CN107309103B (en) | 2017-07-04 | 2017-07-04 | A kind of energy-efficient water-saving shower system and working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435799A (en) * | 2018-04-07 | 2018-08-24 | 新疆八钢铁股份有限公司 | Trailing type loop back roll external cooling device |
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| Publication number | Publication date |
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| CN107309103B (en) | 2019-08-06 |
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