CN110185576A - Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine - Google Patents
Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine Download PDFInfo
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- CN110185576A CN110185576A CN201910559788.2A CN201910559788A CN110185576A CN 110185576 A CN110185576 A CN 110185576A CN 201910559788 A CN201910559788 A CN 201910559788A CN 110185576 A CN110185576 A CN 110185576A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 52
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000002904 solvent Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/08—Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine are set to the rotaring wheel structure in cavity volume including cavity volume and rotation, and the front and rear sides of cavity volume are also provided with inlet and outlet；Rotaring wheel structure includes upper and lower intermeshing first cam runner and the second cam runner, and its axial cross section is in " 8 " shape, it and include the paddy type section laid with arc and the peak type section laid with conjugate curves, and paddy type section and peak type section alternate setting, the first cam runner and the second cam runner rotate synchronously in opposite direction in cavity.The positive displacement micro hydraulic turbine constitutes pressure difference, driving hydraulic turbine rotation by the setting of the hydraulic turbine and positive displacement pump after solvent liquid enters rotaring wheel structure, and then the hydraulic turbine drives positive displacement pump to rotate by shaft coupling；Every one turn of the rotation of the hydraulic turbine, the solvent volume flowed through is fixed value, and positive displacement pump one turn of solute liquid volume being pumped into of every rotation is also fixed value, realizes the fixation mixing ratio of mixed liquor.
Description
Technical field
The invention belongs to Drsplacement hydraulic turbine technical field more particularly to the hydraulic turbine of the small flow of 30kW or less, low water head,
More specifically, in particular to positive displacement micro hydraulic turbine and the fixation mixing ratio device based on the hydraulic turbine.
Background technique
The hydraulic turbine is the dynamic power machine for the energy of water flow being converted to rotating mechanical energy, it belongs to the turbine in fluid machinery
It is mechanical.The modern hydraulic turbine is then most of to be mounted in power station, is used to driven generator and is generated electricity.In power station, upper pond
In water guide the hydraulic turbine into through aqueduct, push rotary wheel of water turbine rotation, drive electrical power generators.Water after acting then passes through tail
Waterpipe is arranged downstream.Head is higher, flow is bigger, and the output power of the hydraulic turbine is also bigger.
The existing hydraulic turbine can be divided into impulse turbine and reaction turbine two major classes by working principle.Impact type water
The runner of turbine by water flow impact and rotate, the pressure of water flow is constant in the course of work, mainly the conversion of kinetic energy；Counterattack
The runner of the formula hydraulic turbine is rotated by the reaction force of water flow in water, and the pressure energy of water flow and kinetic energy have in the course of work
Change, but the conversion of mainly pressure energy.Currently, hydraulic turbine the main direction of development is ultra-large type unit and microminiature unit two
Direction.
Micro hydraulic turbine minitype wheel generator group refers generally to installed capacity, and at 30 kilowatts or less, (international standard is 100KW
Below)；The simple hydro-generating Unit for being suitble to the rural area with small waterpower resourses to install and use, main feature: (1) capacity
Small, it is suitable for dispersion and builds and use, and the peasant household for being especially suitable for mountain area and upper level uses；(2) investment is small, and disposable investment is total
Volume is little, is convenient for masses' self-raised fund, builds and manages by oneself and use by oneself；(3) period is short, builds up investment in a relatively short period of time, (4) skill
Art is simple, convenient for universal.
But the research of microminiature fails the concern for causing many scholars, and data is seldom, and research achievement is few.And microminiature
Water turbine set has a wide range of applications space and market in rural areas in our country；In industrial liquid circulating cooling, liquid it is remaining
Energy regenerating is pressed to need the turbomachineries such as a large amount of hydraulic turbines, miniature is seldom；Two kinds are mixed in a certain ratio in industries such as chemical industry
Liquid needs miniature volume hydraulic turbine driving positive displacement pump, realizes fixed mixed proportion, and domestic equipment is seldom.
Chinese invention patent " the variable displacement adjustable speed water pump hydraulic turbine " (patent No.: CN102828896B) discloses a kind of change
The positive displacement adjustable speed water pump hydraulic turbine, including spiral case, upper cover plate, lower cover plate, runner, disc, water inlet pipe and outlet pipe；Spiral case it is interior
Surface be circumferentially divided into water entering surface, compression working face, go out the water surface, the face that blocks water, water entering surface, compression working face, go out the water surface and
Block water face；The inside radius of the compression working face resistivity water surface is big, is the arc transition of the two into and out of the water surface；The periphery of runner with
The face sliding contact that blocks water of spiral case, uniformly distributed multiple radial slots on runner set spring and disc in slot；Upper cover sleeve-board outside runner,
With runner is radially fixed, axially slidable cooperation, the upper end of spiral case is sealed；The lower end surface sliding contact of lower cover plate and runner,
It is fixed with the inner surface radial direction of spiral case, axially slidable cooperation, the lower end of spiral case is sealed.It is adjusted axially the position of lower cover plate
It sets, so that it may adjust water cavity height and its cross-sectional area or cross water cavity volume, thus regulating water flow and turbine turning moment
And revolving speed, but the hydraulic turbine can not be used for the miniature volume hydraulic turbine.
Chinese utility model patent " a kind of variable-vane Drsplacement hydraulic turbine " (patent No.: CN207080314U) discloses
A kind of variable-vane Drsplacement hydraulic turbine, including hydraulic turbine shell, the setting-up eccentricity set in hydraulic turbine shell, in hydraulic turbine shell
Sharf, the two sides setting flow inlet of hydraulic turbine shell and outlet are installed in the position for deviating circle center, install on sharf
Blade, when water flow passes through the hydraulic turbine, under the power of water flow, blade slides on the circumference of shell by the way that sharf is radial, from
And the output power on sharf.Variable-vane Drsplacement hydraulic turbine of the invention, does not sluice, can relative to the current hydraulic turbine
Fire fighting supply is saved, the flow of fire-fighting main pump is reduced；Variable-vane, water flow dynamic resistance is small, is not influenced by pressure of supply water, flow model
Enclose width.However, the structure is directed to fire fighting supply, solve to sluice in the foam proportioning unit of existing hydrodynamic(al) power drive
The problem of problem reduces the flow of fire-fighting main pump, not can solve fixed mixing ratio.
Summary of the invention
The purpose of the present invention is in view of the above shortcomings of the prior art, low water head, small flow waterpower resourses occasion under,
There is provided a kind of structure is simple, operating it is continuous it is reliable, investment is small, and be able to achieve a kind of miniature water wheels of positive displacement of fixed mixing ratio
Machine and fixation mixing ratio device based on the hydraulic turbine.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
Positive displacement micro hydraulic turbine is set to the rotaring wheel structure in cavity volume, rotaring wheel structure and cavity volume including cavity volume and rotation
Inner wall clearance fit, the front and rear sides of cavity volume are also provided with inlet and outlet；
Rotaring wheel structure includes upper and lower intermeshing first cam runner and the second cam runner, the first cam runner and second convex
The axial direction of wheel runner extends in left-right direction；
The axle center of first cam runner and the second cam runner is located on the vertical middle line of cavity volume, and the first cam runner and
The axle center of two cam runners is distributed at equal intervals the horizontal center line two sides of shell structure；
The axial cross section of first cam runner and the second cam runner is in " 8 " shape, and includes the paddy type section laid with arc
With the peak type section laid with conjugate curves, and paddy type section and peak type section alternate setting, the first cam runner and the second cam
Runner rotates synchronously in opposite direction in cavity；
Cavity volume forms higher-pressure region in water inlet side, forms low-pressure area in water outlet side, rotaring wheel structure is in higher-pressure region and low-pressure area
Pressure difference driving under rotate.
The cavity volume is enclosed by the end cap of casing and left and right sides to be set, the first cam runner and the second cam runner axle center
Place is equipped with shaft, and both ends of the shaft is rotatably assorted with corresponding end cap respectively, wherein a shaft stretches out end cap and is connected with output shaft,
Corresponding another side end cap is externally provided with the synchromesh gear group for rotating coaxially setting corresponding to the first cam runner and the second cam runner,
Rotaring wheel structure carries out torque transfer by synchromesh gear group.
The rotaring wheel structure and the end cap of two sides are clearance fit, and the axle envelope by being arranged seals.
The gap of the rotaring wheel structure and the end cap of two sides is 0.2-0.35mm.
The inner wall of casing two sides up and down is symmetrically set as arcuate structure, when rotation, in the outer rim and casing of rotaring wheel structure
The gap width of wall is fixedly installed.
The outer rim of the rotaring wheel structure and the gap width of casing inner wall are 0.2mm-0.5mm.
The paddy type section uses generating method.
The peak type section is processed using method of loci.
Fixation mixing ratio device based on positive displacement micro hydraulic turbine further includes positive displacement pump, and the output shaft of the hydraulic turbine is logical
The input shaft for crossing shaft coupling and positive displacement pump rotates synchronously connection, and the water inlet of positive displacement pump and the water inlet of the hydraulic turbine are respectively connected with Jie
The water outlet of matter input channel, hydraulic turbine water outlet and positive displacement pump is connected separately with delivery hose, delivery hose with mix it is defeated
Pipeline connects out.
The beneficial effects of the present invention are:
(1) the positive displacement micro hydraulic turbine, by the setting of the hydraulic turbine and positive displacement pump, and positive displacement pump passes through shaft coupling and the hydraulic turbine
Rotate synchronously connection；Pressure difference, driving hydraulic turbine rotation are constituted after solvent liquid enters rotaring wheel structure, and then the hydraulic turbine passes through
Shaft coupling drives positive displacement pump rotation；The water outlet of hydraulic turbine water outlet and positive displacement pump is connected separately with delivery hose, delivery hose
It is connect with mixing output channel；Every one turn of the rotation of the hydraulic turbine, the solvent volume flowed through is fixed value, and the every rotation one of positive displacement pump
The solute liquid volume for turning to be pumped into is also fixed value, mixes solute with solvent by delivery hose, realizes the fixation of mixed liquor
Mixing ratio, and then for fields such as fire-fighting, chemical industry.
(2) by the design of the first cam runner and the second cam runner with specific jogged shape, consider rotor cover
The problem of long-pending form factor, volume confinement and root is cut reduces the interference probability of molded line, and hydraulic turbine operating is continuous, avoids turning
There is stuck phenomenon in wheel construction, and work efficiency is high for the hydraulic turbine, long service life.
(2) the positive displacement micro hydraulic turbine is Drsplacement hydraulic turbine, neither impulse turbine also non-reaction water turbine
Machine, for water flow to the rotaring wheel structure long action time of the hydraulic turbine, water power calculation is more abundant, and water energy high conversion efficiency.
(3) axial cross section of rotaring wheel structure is in " 8 " shape, and using arc as paddy type section, using conjugate curves as peak type
Section, and paddy type section and peak type section alternate setting, it is easy to accomplish high-precision is processed, and can get the water wheels of high revolving speed, big flow
Machine.
(4) the positive displacement micro hydraulic turbine, the revolving speed of rotaring wheel structure is directly proportional to flow, the i.e. controllable runner of control flow
The revolving speed of structure, hydraulic turbine control are good.
(5) hydraulic turbine work is extensive to head size adaptability, and size head can work, and allow low water head, small flow
Waterpower resourses be utilized, and it is compact to state hydraulic turbine structure, and whole to manufacture, project cost easy for installation is low.
(6) the positive displacement micro hydraulic turbine is installed with gap between rotaring wheel structure, between rotaring wheel structure and end cap, does not connect
Touching, contactless friction, the service life is long, high reliablity.
Detailed description of the invention
Fig. 1 is the schematic cross section of the hydraulic turbine；
Fig. 2 is the vertical section schematic diagram of the hydraulic turbine；
Fig. 3 is the structural schematic diagram of rotaring wheel structure；
Fig. 4 is the schematic diagram one in rotaring wheel structure rotation process；
Fig. 5 is the schematic diagram two in rotaring wheel structure rotation process；
Fig. 6 is the schematic diagram three in rotaring wheel structure rotation process；
Fig. 7 is the schematic diagram four in rotaring wheel structure rotation process；
Fig. 8 is the structural schematic diagram of fixed mixing ratio device.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.Meanwhile cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Fixation mixing ratio device the present invention provides positive displacement micro hydraulic turbine and based on the hydraulic turbine, such as Fig. 1 to Fig. 8
It is shown.
The positive displacement micro hydraulic turbine, the hydraulic turbine 7 include the rotaring wheel structure 1 of cavity volume and rotation in cavity volume, are turned
The inner wall clearance fit of wheel construction 1 and cavity volume, the front and rear sides of cavity volume are also provided with water inlet 21 and water outlet 22.It is described
Rotaring wheel structure 1 includes upper and lower intermeshing first cam runner 11 and the second cam runner 12, the first cam runner 11 and the
The axial direction of two cam runners 12 extends in left-right direction.
The axle center of first cam runner 11 and the second cam runner 12 is located on the vertical middle line of cavity volume, and the first cam
The axle center of runner 11 and the second cam runner 12 is distributed at equal intervals the horizontal center line two sides of shell structure.
The axial cross section of first cam runner 11 and the second cam runner 12 is in " 8 " shape, and includes being laid with arc
Paddy type section 111 and the peak type section 112 laid with conjugate curves, and paddy type section 111 and peak type section 112 alternate setting, the
One cam runner 11 and the second cam runner 12 rotate synchronously in opposite direction in cavity.
Cavity volume forms higher-pressure region in 21 side of water inlet, forms low-pressure area in 22 side of water outlet, rotaring wheel structure 1 is in higher-pressure region
It rotates under the pressure difference driving of low-pressure area；Solvent enters cavity volume by the water inlet of the hydraulic turbine, and passes through the hydraulic turbine
Water outlet outflow, then in positive displacement pump through delivery hose convey solute mix, composition fixation mixing ratio mixed liquor.
The cavity volume is enclosed by the end cap 3 of casing 2 and left and right sides to be set, the first cam runner 11 and the second cam runner
Shaft is equipped at 12 axle center, both ends of the shaft is rotatably assorted with corresponding end cap 3 respectively, wherein a shaft is stretched out end cap 3 and connected
There is output shaft 6, corresponding another side end cap is externally provided with to be set to the first cam runner 11 and the second corresponding rotate coaxially of cam runner 12
The synchromesh gear group 5 set, rotaring wheel structure 1 carries out torque transfer by synchromesh gear group 5, and synchromesh gear group 5 guarantees runner knot
Gap between gap and rotaring wheel structure 1 between structure 1 and 2 inner wall of casing, avoids shaking.
The rotaring wheel structure 1 and the end cap 3 of two sides are clearance fit, and the axle envelope 4 by being arranged seals, and avoids letting out
Leakage；Preferably, the gap of rotaring wheel structure 1 and the end cap 3 of two sides is 0.2-0.35mm, avoids contact with generation friction.
The inner wall of about 2 two sides of casing is symmetrically set as arcuate structure, when guaranteeing rotation, the outer rim of rotaring wheel structure 1 with
The gap width of 2 inner wall of casing is fixedly installed；In the present embodiment, the outer rim of rotaring wheel structure 1 and the gap width of 2 inner wall of casing are set as
0.2mm-0.5mm guarantees that rotaring wheel structure 1 does not rub with 2 inner wall of casing, while avoiding gap excessive, and leak is excessive, is formed
Higher-pressure region and low-pressure area.
The rotaring wheel structure 1 of the hydraulic turbine has specific pitch curve, and the first cam runner 11 and the second cam runner 12 exist
When design, consider the problems of that the form factor of rotor area is big, avoid the occurrence of enclosed volume and root is cut, and need easy to process
Deng, molded lines of rotor is rationally designed, guarantee rotaring wheel structure 1 have theoretical displacement rate it is big；Rotor top is radial and works
The sealing effect in area is good, then practical slip is small；Therefore when actual processing, paddy type section 111 uses generating method, peak type section 112
It is processed using method of loci, it is easy to accomplish high-precision is processed, and the hydraulic turbine of high revolving speed, big flow is obtained.
Fixation mixing ratio device based on positive displacement micro hydraulic turbine, further includes positive displacement pump 8, and the output shaft 6 of the hydraulic turbine 7
It is rotated synchronously and is connected by the input shaft of shaft coupling 9 and positive displacement pump 8, the water inlet of positive displacement pump 8 and the water inlet of the hydraulic turbine 7 respectively connect
It is connected to medium input channel, the water outlet of the hydraulic turbine 7 and the water outlet of positive displacement pump 8 are connected separately with delivery hose 81, convey soft
Pipe 81 is connect with mixing output channel 82, exports mixed liquor, as shown in Figure 8.
When work, the schematic diagram in rotaring wheel structure rotation process is as shown in Figures 4 to 7, injects to the water inlet 21 of casing 2
Solvent, there is the water flow of certain pressure head to be entered in casing 2 by water inlet for hydraulic turbine upstream, in the front water inlet of rotaring wheel structure 1
Side forms higher-pressure region A, and the rear portion water outlet side of rotaring wheel structure 1 forms low-pressure area C, and then side is formed before and after rotaring wheel structure 1
Pressure difference；The pressure difference of 1 front and back of rotaring wheel structure, pushes upper and lower the first cam runner 11 and the second cam runner 12 to turn by difference
To rotation；With the rotation of the first cam runner 11 and the second cam runner 12, closed higher-pressure region B is formed, is further rotated
Afterwards, the liquid in the B of higher-pressure region reaches low-pressure area C, and the fluid pressure release in the B of higher-pressure region pushes rotaring wheel structure 1 to do work, and lead to
It crosses output shaft 6 to do work to positive displacement pump, while being transmitted torque on output shaft 6 by synchromesh gear group 5, it is synchronous by shaft coupling 9
Positive displacement pump 8 is driven to rotate.
Liquid-driving rotaring wheel structure 1 rotates, and just as liquid-driving piston, hydraulic turbine output shaft often rotates a circle, liquid
It pushes rotaring wheel structure to complete the movement of a cycle, in the process, forms four closed higher-pressure region B, and as rotation is high
The liquid of pressure area B reaches low-pressure area C, and Fig. 4 to Fig. 7 is the rotation schematic diagram of rotaring wheel structure in half period.In addition, in this process
In, the liquid volume of acting is corresponding with the inswept spatial volume of rotaring wheel structure, as long as having liquid to pass through in the hydraulic turbine, there is pressure
Power is poor, and rotaring wheel structure will rotate acting.
After solvent liquid enters rotaring wheel structure 1, the driving hydraulic turbine 7 is rotated, and then the hydraulic turbine 7 passes through shaft coupling 9 with visibly moved
Product pump rotation；Meanwhile every one turn of the rotation of the hydraulic turbine 7, the solvent volume flowed through is fixed, and one turn of the every rotation of positive displacement pump 8 pumps
The solute liquid volume entered is also fixed value, is mixed solute with solvent by delivery hose 81, realizes that the fixation of mixed liquor is mixed
Composition and division in a proportion, and then can be used for the fields such as fire-fighting, chemical industry, realize fixed accurate mixing ratio.
By the design of the first cam runner 11 and the second cam runner 12 with specific jogged shape, rotor cover is considered
The problem of long-pending form factor, volume confinement and root is cut reduces the interference probability of molded line, and hydraulic turbine operating is continuous, avoids turning
There is stuck phenomenon in wheel construction, and work efficiency is high for the hydraulic turbine, long service life；It can be used for the waterpower resourses of low water head, small flow
Under occasion, and structure is simple, operating is continuous reliably, investment is small, and can apply to the overbottom pressure energy regenerating of liquid, and in chemical industry
Etc. industries realize fixed mixing ratio.
The words such as " first ", " second " have been used in this patent come if limiting components, those skilled in the art should
Know: the use of " first ", " second " is intended merely to facilitate the description present invention and simplifies description, and there is no special for above-mentioned word
Meaning.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement is both fallen within the scope of claimed invention.The claimed scope of the invention is by appended claims and is equal
Object defines.
In the description of the present invention, it is to be understood that, term "front", "rear", "left", "right", "center", etc. instructions
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is only that the present invention is described with simplified for ease of description,
Rather than indicate or imply signified device or element and must have a particular orientation, construct and operate for specific orientation, because
And it should not be understood as the limitation to present invention protection content.
The endpoint of disclosed range and any value are not limited to accurately range or the value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
Claims (9)
1. positive displacement micro hydraulic turbine, it is characterised in that: be set to the rotaring wheel structure in cavity volume, runner including cavity volume and rotation
The inner wall clearance fit of structure and cavity volume, the front and rear sides of cavity volume are also provided with inlet and outlet；
Rotaring wheel structure includes upper and lower intermeshing first cam runner and the second cam runner, the first cam runner and second convex
The axial direction of wheel runner extends in left-right direction；
The axle center of first cam runner and the second cam runner is located on the vertical middle line of cavity volume, and the first cam runner and
The axle center of two cam runners is distributed at equal intervals the horizontal center line two sides of shell structure；
The axial cross section of first cam runner and the second cam runner is in " 8 " shape, and includes the paddy type section laid with arc
With the peak type section laid with conjugate curves, and paddy type section and peak type section alternate setting, the first cam runner and the second cam
Runner rotates synchronously in opposite direction in cavity；
Cavity volume forms higher-pressure region in water inlet side, forms low-pressure area in water outlet side, rotaring wheel structure is in higher-pressure region and low-pressure area
Pressure difference driving under rotate.
2. positive displacement micro hydraulic turbine according to claim 1, it is characterised in that: the cavity volume is by casing and left and right sides
End cap enclose and set, be equipped with shaft at the first cam runner and the second cam runner axle center, both ends of the shaft respectively with it is corresponding
End cap is rotatably assorted, wherein a shaft stretches out end cap and is connected with output shaft, corresponding another side end cap is externally provided with and the first cam
Runner and the second cam runner accordingly rotate coaxially the synchromesh gear group of setting, and rotaring wheel structure carries out torque by synchromesh gear group
Transmitting.
3. positive displacement micro hydraulic turbine according to claim 2, it is characterised in that: the end cap of the rotaring wheel structure and two sides
For clearance fit, and the sealing of the axle envelope by being arranged.
4. positive displacement micro hydraulic turbine according to claim 3, it is characterised in that: the end cap of the rotaring wheel structure and two sides
Gap be 0.2-0.35mm.
5. positive displacement micro hydraulic turbine according to claim 2, it is characterised in that: the inner wall pair of two sides above and below the casing
Title is set as arcuate structure, and when rotation, the outer rim of rotaring wheel structure and the gap width of casing inner wall are fixedly installed.
6. positive displacement micro hydraulic turbine according to claim 5, it is characterised in that: the outer rim and casing of the rotaring wheel structure
The gap width of inner wall is 0.2mm-0.5mm.
7. positive displacement micro hydraulic turbine according to claim 5, it is characterised in that: the paddy type section is added using generation method
Work.
8. according to right want 5 described in positive displacement micro hydraulic turbine, it is characterised in that: the peak type section using method of loci process.
9. based on the fixation mixing ratio device of the described in any item positive displacement micro hydraulic turbines of claim 2 to 8, feature exists
In: it further include positive displacement pump, and the output shaft of the hydraulic turbine is rotated synchronously by the input shaft of shaft coupling and positive displacement pump and connected, positive displacement pump
Water inlet and the water inlet of the hydraulic turbine be respectively connected with medium input channel, the water outlet difference of hydraulic turbine water outlet and positive displacement pump
It is connected with delivery hose, delivery hose is connect with mixing output channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559788.2A CN110185576A (en) | 2019-06-26 | 2019-06-26 | Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559788.2A CN110185576A (en) | 2019-06-26 | 2019-06-26 | Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine |
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| CN201910559788.2A Pending CN110185576A (en) | 2019-06-26 | 2019-06-26 | Positive displacement micro hydraulic turbine and fixation mixing ratio device based on the hydraulic turbine |
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