CN209005714U - A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness - Google Patents
A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness Download PDFInfo
- Publication number
- CN209005714U CN209005714U CN201920052309.3U CN201920052309U CN209005714U CN 209005714 U CN209005714 U CN 209005714U CN 201920052309 U CN201920052309 U CN 201920052309U CN 209005714 U CN209005714 U CN 209005714U
- Authority
- CN
- China
- Prior art keywords
- module
- orifice plate
- hole
- free ratio
- venturi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a kind of adjustable orifice packing free ratios, the venturi orifice plate cavitation apparatus of aperture thickness, including Venturi tube leading portion, Venturi tube back segment, stud, nut, single ended bolt, variable orifice packing free ratio module group, variable orifice plate aperture thickness module group, leading portion bolt hole group, leading portion flange, leading portion bolt hole, back segment bolt hole group, back segment flange, back segment bolt hole, hole packing free ratio module and orifice plate aperture thickness module.Each hole packing free ratio module and orifice plate aperture thickness module are built in venturi pipeline section leading portion and the cylindrical body of venturi pipeline section back segment splicing is intracavitary, entire combined type cavitation apparatus is formed after being fixed by each bolt and nut, the module for replacing different percent openings and aperture thickness is built in cylinder body cavity, thus it is possible to vary device cavitation efficiency.The utility model is applicable in various working, reduces consumptive material and input cycle, easy to disassemble and cleaning pipe internal module.
Description
Technical field
The utility model relates to Hydrodynamic Cavitation Technology fields, thick more particularly to a kind of adjustable orifice packing free ratio, aperture
The venturi orifice plate cavitation apparatus of degree.
Background technique
Hydrodynamic cavitation refers to the liquid that (mainly causes pressure reduction by high flow rate) when liquid internal local pressure reduces
Internal or liquid consolidates the formation of steam or gas cavities at interface, the process for developing and crumbling and fall.Hydrodynamic cavitation generating device has two
Kind: first is that Venturi tube, second is that orifice plate.Orifice plate has the characteristics that structure is simple compared with Venturi tube, is easy to adjust, and flows
The cavitation intensity that body generates in orifice flow is more much higher than Venturi tube, so what the makeup of venturi orifice plate combined air was set
Cavitation effect is more related to the structure of orifice plate.It is hollow although simple by way of orifice plate generates Hydrodynamic cavitation
The formation of bubble, the evolution process for developing and crumbling and fall are extremely complex, and percent opening and aperture thickness are that influence venturi orifice plate is compound
The key factor of formula cavitation apparatus cavitation efficiency, but conventional venturi orifice plate combined air makeup at present is set can not change orifice plate
Percent opening and aperture thickness, therefore the demand of different operating conditions is adapted to, multiple cavitation apparatus must be just processed, therefore a kind of adjustable
Knothole packing free ratio, aperture thickness venturi orifice plate cavitation apparatus become this field research urgent need.
Utility model content
The utility model is mainly solving the technical problems that provide the literary mound of a kind of adjustable orifice packing free ratio, aperture thickness
In orifice plate cavitation apparatus, venturi orifice plate cavitation apparatus can be made to reach best cavitation effect under a variety of flow operating modes.
In order to solve the above-mentioned technical problem, the technical solution that the utility model uses is:
A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness, including throat is with cylinder
The Venturi tube leading portion 1 of slot, Venturi tube back segment 2, stud a3, stud b4, stud c5, stud d6,
Nut a7, nut b8, nut c9, nut d10, nut e13, nut f14, nut g15, nut h16, single ended bolt a17, single head
Bolt b18, single ended bolt c19, single ended bolt d20, nut i23, nut j24, nut k25, nut l26, variable orifice packing free ratio
Module group 27 and variable orifice plate aperture thickness module group 28；Venturi tube leading portion 1 is equipped with leading portion bolt hole group 11 and leading portion flange
12, leading portion bolt hole group 11 includes leading portion bolt hole a111, leading portion bolt hole b112, leading portion bolt hole c113 and preceding
Section bolt hole d114, leading portion flange 12 include four single ended bolt through-holes；Venturi tube back segment 2 is equipped with back segment bolt hole group
21 and back segment flange 22, back segment bolt hole group 21 includes back segment bolt hole a211, back segment bolt hole b212, back segment bolt
Through-hole c213 and back segment bolt hole d214, back segment flange 22 include four single ended bolt through-holes；Variable orifice packing free ratio module group
27 include hole packing free ratio module a271, hole packing free ratio module b272, hole packing free ratio module c273, hole packing free ratio module
D274, hole packing free ratio module e275 and hole packing free ratio module f276；Variable orifice plate aperture thickness module group 28 is opened including orifice plate
Hole thickness module a281, orifice plate aperture thickness module b282, orifice plate aperture thickness module c283, orifice plate aperture thickness module d284
With orifice plate aperture thickness module e285；Each leading portion bolt hole, each through-hole in hole packing free ratio module side face, each back segment bolt hole
It is sequentially aligned, four studs penetrate wherein, and both ends are fixed with nut from corresponding to, and leading portion flange 12, back segment flange 22 are each
Through-hole is sequentially aligned, and four single ended bolts penetrate wherein, is fixed respectively by respective nut.
The Venturi tube leading portion 1, Venturi tube back segment 2 are the Venturi tubes that raised cylinder cavity is had by a throat
Section, obtained by the radial direction cutting of cylindrical sides bus midpoint, the long 20cm of side bus of cylindrical cavity, Venturi tube after cutting
Throat's cylindrical cavity inner wall side long 10cm of bus of leading portion 1.Along cylinder axis Xiang Youyi circular ring shape wall surface, circular ring shape wall surface
Circumferentially-spaced an angle of 90 degrees has and the close-fitting leading portion bolt hole a111 of above-mentioned each stud, leading portion bolt hole
B112, leading portion bolt hole c113 and leading portion bolt hole d114, each through-bore axis are equal with circular ring shape wall surface axis spacing.Text
Circular ring shape leading portion flange 12 is disposed at 1 segmentation lines of venturi leading portion, there are four the circumferentially-spaced an angle of 90 degrees of torus ring flange is opened
Single ended bolt through-hole, each single ended bolt through-bore axis are equal with torus ring flange axis spacing.The throat of Venturi tube back segment 2
The cylindrical cavity inner wall side long 10cm of bus.Along cylinder axis Xiang Youyi circular ring shape wall surface, circular ring shape wall surface circumferentially-spaced 90
Degree angle has and the close-fitting back segment bolt hole a211 of above-mentioned each stud, back segment bolt hole b212, back segment
Bolt hole c213 and back segment bolt hole d214, each through-bore axis are equal with circular ring shape wall surface axis spacing.After Venturi tube
Circular ring shape back segment flange 22 is disposed at 2 segmentation lines of section, and the circumferentially-spaced an angle of 90 degrees of torus ring flange opens that there are four single ended bolts
Through-hole, each single ended bolt through-bore axis are equal with torus ring flange axis spacing.
The variable orifice packing free ratio module group 27 annulus orifice body percent opening module similar in 6 geometries forms.
Each hole packing free ratio module outside diameter is identical and close as venturi throat cylindrical groove inner wall circular cross section diameter
Cooperation, interior circular diameter and Venturi tube converging transition outlet circular cross-section, Venturi tube divergent segment entrance circular cross section diameter are equal
It is identical, it is 20cm along torus axial width, circumferentially-spaced an angle of 90 degrees is provided with can be close-fitting four with each stud
Through-hole, and through-bore axis is equal with torus axial line spacing, in torus inner wall side bus midpoint, is fixed with one section
The cylindrical perforated plate that face is identical as interior circular section, axial width is 1cm.Fixed cylinder among different hole packing free ratio modules
The percent opening of shape orifice plate is different, and the percent opening of hole packing free ratio module a271 intermediate porous plate is 0.05, hole packing free ratio module
The percent opening of b272 intermediate porous plate is 0.1, and the percent opening of hole packing free ratio module c273 intermediate porous plate is 0.15, and orifice plate is opened
The percent opening of porosity module d274 intermediate porous plate is 0.2, and the percent opening of hole packing free ratio module e275 intermediate porous plate is
0.3, the percent opening of hole packing free ratio module f276 intermediate porous plate is 0.4.
The variable orifice plate aperture thickness module group 28 annulus orifice body aperture thickness module group as similar in 5 geometries
At；Each orifice plate aperture thickness module outside diameter it is identical as venturi throat cylindrical groove inner wall circular cross section diameter and
It is fitted close, interior circular diameter and Venturi tube converging transition outlet circular cross-section, Venturi tube divergent segment entrance circular cross-section are straight
Diameter is all the same, is 20cm along torus axial width, circumferentially-spaced an angle of 90 degrees is provided with can be close-fitting with each stud
Four through-holes, and through-bore axis is equal with torus axial line spacing, in torus inner wall side bus midpoint, is fixed with
The cylindrical porous plate that one section is identical as interior circular section, percent opening is 0.2；It is fixed among different orifice plate aperture thickness modules
Cylindrical orifice plate axial width it is different, the axial width of orifice plate aperture thickness module a271 intermediate porous plate is 2cm, orifice plate
The axial width of aperture thickness module b272 intermediate porous plate is 3cm, the axis of orifice plate aperture thickness module c273 intermediate porous plate
It is 5cm, orifice plate aperture thickness module to the axial width with a thickness of 4cm, orifice plate aperture thickness module d274 intermediate porous plate
The axial width of e275 intermediate porous plate is 6cm.
Each hole packing free ratio module in the variable orifice packing free ratio module group 27 can be replaced mutually according to actual condition
Ground is placed in Venturi tube leading portion 1, Venturi tube back segment 2 is formed by cylindrical cavity after engaging, and makes venturi cavitation device
The percent opening that orifice plate is carried in throat can adjust variation according to actual condition, reach and change the makeup of venturi orifice plate compound air
Set the effect of mesoporous packing free ratio.
Each orifice plate aperture thickness module in the variable orifice plate aperture thickness module group 28 can be according to actual condition, mutually
In cylindrical cavity after being alternatively placed in Venturi tube leading portion 1, the engagement of Venturi tube back segment 2, make venturi cavitation device larynx
The aperture thickness that orifice plate is carried in portion can adjust variation according to actual condition, reach and change the makeup of venturi orifice plate compound air
Set the effect of aperture plate aperture thickness.
The beneficial effects of the utility model are:
The venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness, passes through replacement
It is built in venturi orifice plate combined air and disguises the hole packing free ratio module and orifice plate aperture thickness module set, reach built in change
The effect of multi-hole orifice percent opening and aperture thickness in device, allows cavitation apparatus to reach best sky under various working
Change effect, promotes cavitation efficiency；Entire venturi orifice plate cavitation apparatus has the function of to dismount, device inner wall convenient for cleaning and interior
Portion's module.
Detailed description of the invention
Fig. 1 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
One installation diagram；
Fig. 2 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Two installation diagrams；
Fig. 3 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Three installation diagrams；
Fig. 4 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Four installation diagrams；
Fig. 5 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Five installation diagrams；
Fig. 6 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Six installation diagrams；
Fig. 7 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Seven installation diagrams；
Fig. 8 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Eight installation diagrams；
Fig. 9 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Nine installation diagrams；
Figure 10 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus the
Ten installation diagrams；
Figure 11 be a kind of adjustable orifice packing free ratio of the utility model, aperture thickness venturi orifice plate cavitation apparatus three
Dimensional view；
Figure 12 is the venturi orifice plate cavitation apparatus Chinese of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness
The 3-D view of venturi leading portion；
Figure 13 is the venturi orifice plate cavitation apparatus Chinese of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness
The 3-D view of venturi back segment；
Figure 14 is the venturi orifice plate cavitation apparatus variable orifice of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness
The 3-D view of each hole packing free ratio module in packing free ratio module group.
Figure 15 is the venturi orifice plate cavitation apparatus variable orifice of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness
The 3-D view of each orifice plate aperture thickness module in plate aperture thickness module group.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description, so that the utility model
The advantages of and feature can be easier to be readily appreciated by one skilled in the art, to be made to the protection scope of the utility model more clear
Chu explicitly defines.
The venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio of the utility model, aperture thickness, including throat
It is Venturi tube leading portion 1, Venturi tube back segment 2, stud a3, stud b4, stud c5 with cylindrical groove, double
Hook bolt d6, nut a7, nut b8, nut c9, nut d10, nut e13, nut f14, nut g15, nut h16, single head spiral shell
Bolt a17, single ended bolt b18, single ended bolt c19, single ended bolt d20, nut i23, nut j24, nut k25, nut l26, become
Hole packing free ratio module group 27 and variable orifice plate aperture thickness module group 28.Venturi tube leading portion 1 is equipped with leading portion bolt hole group 11
With leading portion flange 12, leading portion bolt hole group 11 is led to including leading portion bolt hole a111, leading portion bolt hole b112, leading portion bolt
Hole c113 and leading portion bolt hole d114, leading portion flange 12 include four single ended bolt through-holes；Venturi tube back segment 2 is equipped with back segment
Bolt hole group 21 and back segment flange 22, back segment bolt hole group 21 include back segment bolt hole a211, back segment bolt hole
B212, back segment bolt hole c213 and back segment bolt hole d214, back segment flange 22 include four single ended bolt through-holes；Variable orifice plate
Percent opening module group 27 includes hole packing free ratio module a271, hole packing free ratio module b272, hole packing free ratio module c273, hole
Packing free ratio module d274, hole packing free ratio module e275 and hole packing free ratio module f276；Variable orifice plate aperture thickness module group
28 include orifice plate aperture thickness module a281, orifice plate aperture thickness module b282, orifice plate aperture thickness module c283, orifice plate aperture
Thickness module d284 and orifice plate aperture thickness module e285.
As preferred embodiments of the present invention, as shown in Figure 1, arrow direction is by stud a3, double along figure
Hook bolt b4, stud c5 and stud d6 respectively penetrate the leading portion bolt hole of 1 circular ring shape wall surface of Venturi tube leading portion
In a111, leading portion bolt hole b112, leading portion bolt hole c113 and leading portion bolt hole d114；Each stud penetrate it is each before
The depth of section bolt hole is as shown in Figure 2；As shown in figure 3, by stud a3, stud b4, stud c5 and double end
It is logical that bolt d6 is pierced by leading portion bolt hole a111, leading portion bolt hole b112, leading portion bolt hole c113 and leading portion bolt respectively
Hole d114, above-mentioned each bolt are pierced by part and nut a7, nut b8, nut c9 and nut d10 are used to pre-tighten respectively；As shown in figure 4, will
Hole packing free ratio module c273 in variable orifice packing free ratio module group 27 is placed according to position in figure, first by annulus orifice body aperture
Each stud of each through-hole alignment of rate module c273, then hole packing free ratio module c273 is penetrated into double end spiral shell along wire frame arrow direction
In bolt；As shown in fig. 6, hole packing free ratio module c273 is embedded in the cylindrical groove of 1 throat of Venturi tube leading portion, week is outward
Circle side and the cylindrical slot inner wall of 1 throat of Venturi tube leading portion fit closely, the axial circular ring shape side in left side and Wen Qiu
In the axial ring-shaped inner wall face of pipe leading portion 1 fit closely；As shown in fig. 7, by the back segment of Venturi tube back segment circular ring shape wall surface
Bolt hole a211, back segment bolt hole b212, back segment bolt hole c213 and back segment bolt hole d214 are respectively aligned to double end
Part after bolt a3, stud b4, stud c5 and stud d6 punched out packing free ratio module c273, along wire frame
Arrow direction is pushed into Venturi tube back segment 2；As shown in figure 8, before being pushed into Venturi tube back segment 2 and the Venturi tube of each stud
Section 1, which fits closely, to connect, and leading portion flange 12 and back segment flange 22 are bonded completely, and each threaded hole that the two includes coincides, orifice plate
It closely pastes in another right side axial direction circular ring shape side the percent opening module c273 ring-shaped inner wall face axial with Venturi tube leading portion 2
It closes；By nut a13, nut b14, nut c15 and nut d16 pre-tighten stud a3, stud b4, stud c5 and
Stud d6 reaches the fiting effect of Fig. 9；As shown in Figure 10, by single ended bolt a17, single ended bolt b18, single ended bolt c19
Four tapped through holes being overlapped with single ended bolt d20 alignment Venturi tube front and rear sections flange, along left side small arrow direction, push-in is logical
In hole, then by nut i23, nut j24, nut k25 and nut l26 respectively along the preload of right side small arrow direction in four single head spiral shells
Bolt；As shown in figure 11, while the nut of each bolt is tightened, matches each component of whole device closely in the case where uniform force
It closes, hole packing free ratio module c273 torus inner wall is as entire cavitation apparatus throat inner wall, both ends and Venturi tube leading portion 1
Converging transition outlet, Venturi tube back segment 2 divergent segment entrance engage to form entire venturi orifice plate composite construction, orifice plate aperture
It is 0.15 that the porous plate and Venturi tube that percent opening among rate module c273 inner wall is 0.15, which are connected and form entire percent opening,
Venturi orifice plate combined air makeup set.
As shown in Figure 12 and Figure 13, Venturi tube leading portion 1, Venturi tube back segment 2 are by a throat with raised cylinder
The venturi pipeline section of cavity, obtained by the radial direction cutting of cylindrical sides bus midpoint, the long 20cm of side bus of cylindrical cavity,
Throat's cylindrical cavity inner wall side long 10cm of bus of Venturi tube leading portion 1 after cutting, along cylinder axis Xiang Weiyi circular ring shape
Wall surface, the circumferentially-spaced an angle of 90 degrees of circular ring shape wall surface are opened and above-mentioned each close-fitting leading portion bolt hole of stud respectively
A111, leading portion bolt hole b112, leading portion bolt hole c113 and leading portion bolt hole d114, each through-bore axis and circular ring shape wall
Face axis spacing is equal, circular ring shape leading portion flange 12 is arranged at 1 segmentation lines of Venturi tube leading portion, torus ring flange is circumferentially-spaced
An angle of 90 degrees is opened there are four single ended bolt through-hole, and each single ended bolt through-bore axis is equal with torus ring flange axis spacing；Literary mound
In pipe back segment 2 throat's cylindrical cavity inner wall side long 10cm of bus, along cylinder axis Xiang Youyi circular ring shape wall surface, circular ring shape
The circumferentially-spaced an angle of 90 degrees of wall surface has and the close-fitting back segment bolt hole a211 of above-mentioned each stud, back segment bolt
Through-hole b212, back segment bolt hole c213 and back segment bolt hole d214, each through-bore axis and torus ring flange axis spacing
It is equal, circular ring shape back segment flange 22 is disposed at 2 segmentation lines of Venturi tube back segment, the circumferentially-spaced an angle of 90 degrees of torus ring flange is opened
There are four single ended bolt through-hole, each single ended bolt through-bore axis is equal with torus ring flange axis spacing.
Flexibility is provided between the section flange of front and back, between stud and nut, between single ended bolt and flange nut
Gasket, each stud structure is identical, and each nut is hex nut and structure is identical, and each single ended bolt is single head six
Corner bolt and structure is identical.
Hole packing free ratio is defined as the perforated area of orifice plate and the ratio of the orifice plate gross area.As shown in figure 14, variable orifice plate is opened
The annulus orifice body percent opening module similar in 6 geometries of porosity module group 27 forms, and it is more to be followed successively by centre from top to bottom
The hole packing free ratio mould that the percent opening of hole packing free ratio module a271, intermediate porous plate that the percent opening of orifice plate is 0.05 are 0.1
Block b272, intermediate porous plate percent opening be 0.15 hole packing free ratio module c273, intermediate porous plate percent opening be 0.2
Hole packing free ratio module d274, intermediate porous plate percent opening be 0.3 hole packing free ratio module e275 and intermediate porous plate
The hole packing free ratio module f276 that percent opening is 0.4.Each hole packing free ratio module outside diameter and venturi throat are cylindrical
Slot inner wall circular cross section diameter is identical and is fitted close, and interior circular diameter and Venturi tube converging transition export circular cross-section, text
Venturi divergent segment entrance circular cross section diameter is all the same, is 20cm along torus axial width, and circumferentially-spaced an angle of 90 degrees is provided with
Can be with close-fitting four through-holes of each stud, and through-bore axis is equal with torus axial line spacing, in annulus
Internal wall side bus midpoint, fixes a section identical as interior circular section, axial width 1cm, with different percent openings
Cylindrical porous plate.
As shown in figure 15, the annulus orifice body aperture as similar in 5 geometries of variable orifice plate aperture thickness module group 28 is thick
Module composition is spent, the axial width for being followed successively by intermediate porous plate from top to bottom is the orifice plate aperture thickness module a281 of 2cm, centre
Orifice plate aperture thickness module b282 that the axial width of porous plate is 3cm, the orifice plate that the axial width of intermediate porous plate is 4cm are opened
Hole thickness module c283, intermediate porous plate axial width be the orifice plate aperture thickness module d284 and intermediate porous plate of 5cm
Axial width is the orifice plate aperture thickness module e285 of 6cm.Each orifice plate aperture thickness module outside diameter and venturi throat
Cylindrical groove inner wall circular cross section diameter is identical and is fitted close, interior circular diameter and round section of Venturi tube converging transition outlet
Face, Venturi tube divergent segment entrance circular cross section diameter are all the same, are 20cm, circumferentially-spaced an angle of 90 degrees along torus axial width
Being provided with can be with close-fitting four through-hole of each stud, and through-bore axis is equal with torus axial line spacing,
Torus inner wall side bus midpoint is fixed with a section identical as interior circular section, percent opening 0.2, with axially different
The cylindrical porous plate of thickness.
In order to change the percent opening that middle porous plate is set in the makeup of venturi orifice plate combined air, reaches to configure under variable working condition and fit
When the orifice plate of percent opening reaches best cavitation effect.In conjunction with Fig. 4, Fig. 5 and Figure 11, each spiral shell of Venturi tube back segment 2 should be first released
Literary mound is extracted in tight fit of the mother to the tight fit and each nut of front and rear sections flange of each stud to each single ended bolt
In pipe back segment 2, the hole packing free ratio module c273 in Fig. 4 is taken out from each stud；Assuming that optimum opening porosity becomes under this operating condition
It is 0.3, then hole packing free ratio module e275 should be replaced into hole packing free ratio module c273 again, be put again by module position in Fig. 5
It sets, is penetrated in each stud along wire frame arrow direction, is put into the cylindrical groove of Venturi tube leading portion 1, merge Venturi tube
Become complete venturi pipeline section after leading portion 1, Venturi tube back segment 2, completes each nut of Venturi tube back segment 2 to each double end spiral shell
After the tight fit of bolt and each nut are to the tight fit of each single ended bolt, venturi orifice plate cavitation as shown in figure 11 is formed
Device, reach change venturi orifice plate combined air makeup set in porous packing free ratio function.It is compound to change venturi orifice plate
The process of the aperture thickness of porous plate is approximate with the above process in formula cavitation apparatus, can refer to and becomes above-mentioned change percent opening process.
The pipe resistance that throttling generates when hole packing free ratio is smaller is larger, and piping flow is smaller, and cavitation takes a long time；
With the increasing of percent opening, pipe resistance coefficient becomes smaller, and piping flow increases, and cavitation time-consuming shortens, but when percent opening increases to
It after certain value, is further continued for increasing percent opening, then can make pipe throttle decreased effectiveness, and then influence Hydrodynamic cavitation effect in pipeline.
Therefore, for the inlet pressure level condition of venturi orifice plate combined type cavitation apparatus under different operating conditions, be corresponding with it is different most
Good percent opening.
When aperture is with a thickness of definite value, under the higher operating condition of venturi inlet pressure, low percent opening can make entire cavitation
The cavitation effect of device reaches most preferably, and it is compound hole packing free ratio module c273 should to be fixed on venturi orifice plate by such as Fig. 4 sequence
The porous packing free ratio in formula cavitation apparatus middle position, hole packing free ratio module c273 inner cylinder wall surface bus midpoint is
0.15, cavitation efficiency is higher；Under the lower operating condition of venturi inlet pressure, high opening rate can make the sky of entire cavitation apparatus
Change effect to reach most preferably, hole packing free ratio module e275 should be fixed on the makeup of venturi orifice plate combined air by such as Fig. 5 sequence
Middle position is set, the porous packing free ratio at hole packing free ratio module e275 inner cylinder wall surface bus midpoint is 0.3, cavitation efficiency
It is higher.When percent opening is definite value, under the higher operating condition of venturi inlet pressure, aperture thickness is larger can to make entire cavitation fill
The cavitation effect set reaches most preferably, and under the lower operating condition of venturi inlet pressure, aperture thickness is smaller can to make entire cavitation
The cavitation effect of device reaches most preferably, and the orifice plate aperture thickness module in venturi can be converted according to actual condition.
In conclusion the utility model, which is built in venturi orifice plate combined air by replacement, disguises the hole packing free ratio set
Module achievees the effect that change the multi-hole orifice percent opening being built in device, assigns cavitation apparatus in various working
To best cavitation effect, cavitation efficiency is promoted；Entire venturi orifice plate cavitation apparatus has the function of to dismount, in device easy to clean
Wall and internal module.
Claims (5)
1. the venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio, aperture thickness, it is characterised in that: including throat's band
There are Venturi tube leading portion (1), Venturi tube back segment (2), stud a (3), the stud b (4), double end spiral shell of cylindrical groove
Bolt c (5), stud d (6), nut a (7), nut b (8), nut c (9), nut d (10), nut e (13), nut f (14),
Nut g (15), nut h (16), single ended bolt a (17), single ended bolt b (18), single ended bolt c (19), single ended bolt d (20),
Nut i (23), nut j (24), nut k (25), nut l (26), variable orifice packing free ratio module group (27) and the aperture of variable orifice plate are thick
It spends module group (28)；Venturi tube leading portion (1) is equipped with leading portion bolt hole group (11) and leading portion flange (12), leading portion bolt hole
Group (11) includes leading portion bolt hole a (111), leading portion bolt hole b (112), leading portion bolt hole c (113) and leading portion bolt
Through-hole d (114), leading portion flange (12) include four single ended bolt through-holes；Venturi tube back segment (2) is equipped with back segment bolt hole group
(21) and back segment flange (22), back segment bolt hole group (21) include back segment bolt hole a (211), back segment bolt hole b
(212), back segment bolt hole c (213) and back segment bolt hole d (214), back segment flange (22) include that four single ended bolts are logical
Hole；Variable orifice packing free ratio module group (27) includes that hole packing free ratio module a (271), hole packing free ratio module b (272), orifice plate are opened
Porosity module c (273), hole packing free ratio module d (274), hole packing free ratio module e (275) and hole packing free ratio module f
(276)；Variable orifice plate aperture thickness module group (28) includes orifice plate aperture thickness module a (281), orifice plate aperture thickness module b
(282), orifice plate aperture thickness module c (283), orifice plate aperture thickness module d (284) and orifice plate aperture thickness module e (285)；
Each leading portion bolt hole, each through-hole in hole packing free ratio module side face, each back segment bolt hole are sequentially aligned, and four studs are worn
Enter wherein, both ends are fixed with nut from corresponding to, and leading portion flange (12), back segment flange (22) each through-hole are sequentially aligned, four lists
Hook bolt penetrates wherein, is fixed respectively by respective nut.
2. the venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio according to claim 1, aperture thickness,
It is characterized in that: the variable orifice packing free ratio module group (27) annulus orifice body percent opening module group as similar in 6 geometries
At；Each hole packing free ratio module outside diameter is identical and tight as venturi throat cylindrical groove inner wall circular cross section diameter
Close fit, interior circular diameter and Venturi tube converging transition export circular cross-section, Venturi tube divergent segment entrance circular cross section diameter
It is all the same, it is 20cm along torus axial width, circumferentially-spaced an angle of 90 degrees is provided with can be with each stud close-fitting four
A through-hole, and through-bore axis is equal with torus axial line spacing, in torus inner wall side bus midpoint, is fixed with one
The cylindrical porous plate that section is identical as interior circular section, axial width is 1cm；It is fixed among different hole packing free ratio modules
The percent opening of cylindrical orifice plate is different, and the percent opening of hole packing free ratio module a (271) intermediate porous plate is 0.05, orifice plate aperture
The percent opening of rate module b (272) intermediate porous plate is 0.1, and the percent opening of hole packing free ratio module c (273) intermediate porous plate is
0.15, the percent opening of hole packing free ratio module d (274) intermediate porous plate is 0.2, hole packing free ratio module e (275) intermediate porous
The percent opening of plate is 0.3, and the percent opening of hole packing free ratio module f (276) intermediate porous plate is 0.4.
3. the venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio according to claim 1, aperture thickness,
It is characterized in that: the variable orifice plate aperture thickness module group (28) annulus orifice body aperture thickness mode as similar in 5 geometries
Block composition；Each orifice plate aperture thickness module outside diameter is identical as venturi throat cylindrical groove inner wall circular cross section diameter
And be fitted close, interior circular diameter and Venturi tube converging transition outlet circular cross-section, Venturi tube divergent segment entrance circle are cut
Face diameter is all the same, is 20cm along torus axial width, circumferentially-spaced an angle of 90 degrees is provided with can closely match with each stud
Four through-holes closed, and through-bore axis is equal with torus axial line spacing, in torus inner wall side bus midpoint, Gu
Surely there is the cylindrical porous plate that a section is identical as interior circular section, percent opening is 0.2；Among different orifice plate aperture thickness modules
The axial width of fixed cylindrical orifice plate is different, and the axial width of orifice plate aperture thickness module a (271) intermediate porous plate is
2cm, the axial width of orifice plate aperture thickness module b (272) intermediate porous plate are 3cm, in orifice plate aperture thickness module c (273)
Between the axial width of porous plate be 4cm, the axial width of orifice plate aperture thickness module d (274) intermediate porous plate is 5cm, orifice plate
The axial width of aperture thickness module e (275) intermediate porous plate is 6cm.
4. the venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio according to claim 1, aperture thickness,
Be characterized in that: each hole packing free ratio module in the variable orifice packing free ratio module group (27) can be according to actual condition, mutually
In cylindrical cavity after being alternatively placed in Venturi tube leading portion (1), Venturi tube back segment (2) engagement, make venturi cavitation
The percent opening that orifice plate is carried in device throat can adjust variation according to actual condition, reach and change venturi orifice plate compound air
The effect of device mesoporous packing free ratio.
5. the venturi orifice plate cavitation apparatus of a kind of adjustable orifice packing free ratio according to claim 1, aperture thickness,
Be characterized in that: each orifice plate aperture thickness module in the variable orifice plate aperture thickness module group (28) can according to actual condition,
In cylindrical cavity be placed in Venturi tube leading portion (1), Venturi tube back segment (2) engagement with being replaced mutually after, make venturi
The aperture thickness that orifice plate is carried in cavitation device throat can adjust variation according to actual condition, and it is multiple to reach change venturi orifice plate
Close the effect of cavitation apparatus aperture plate aperture thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052309.3U CN209005714U (en) | 2019-01-14 | 2019-01-14 | A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052309.3U CN209005714U (en) | 2019-01-14 | 2019-01-14 | A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209005714U true CN209005714U (en) | 2019-06-21 |
Family
ID=66844433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920052309.3U Active CN209005714U (en) | 2019-01-14 | 2019-01-14 | A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209005714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607678A (en) * | 2019-01-14 | 2019-04-12 | 西安交通大学 | A kind of hole packing free ratio, the adjustable venturi orifice plate cavitation apparatus of aperture thickness |
-
2019
- 2019-01-14 CN CN201920052309.3U patent/CN209005714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607678A (en) * | 2019-01-14 | 2019-04-12 | 西安交通大学 | A kind of hole packing free ratio, the adjustable venturi orifice plate cavitation apparatus of aperture thickness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209005714U (en) | A kind of venturi orifice plate cavitation apparatus of adjustable orifice packing free ratio, aperture thickness | |
| CN109607678A (en) | A kind of hole packing free ratio, the adjustable venturi orifice plate cavitation apparatus of aperture thickness | |
| CN107244785B (en) | Micro-power septic tank | |
| CN108397311A (en) | A kind of gas engine air inlet mixing chamber | |
| CN211159783U (en) | Pipeline type mixing reactor | |
| CN218267373U (en) | Gas mixing valve | |
| CN202191974U (en) | Device for reducing water consumption of shower and accelerating water flow | |
| CN210660361U (en) | Air inlet mixing device and engine | |
| CN206917701U (en) | Exhaust silencer and gas extraction system | |
| CN215216798U (en) | Inclination negative pressure outer channel preposed mixed type nuclear device | |
| CN212212396U (en) | Oxygenator and water circulating system | |
| CN210774607U (en) | Small-size closed water tunnel structure based on undulant wall resistance test | |
| CN221108013U (en) | Improved Venturi mixer | |
| CN211283897U (en) | Aeration treatment device for water pollution treatment | |
| CN211999075U (en) | Water cutting aerator for large aeration tank | |
| CN207951469U (en) | A kind of tubular reactor | |
| CN202391530U (en) | Modularized multi-channel rotary wing type muffler | |
| CN205036428U (en) | Internal -combustion engine exhaust system explosion -proof equipment | |
| CN111072142A (en) | Anaerobic reaction system for treating livestock and poultry breeding sewage or high-concentration organic wastewater | |
| CN212657760U (en) | Double-engine supercharging mixed gas injection system of household gas stove | |
| CN201778877U (en) | Special exhaust pipe of remote-controlled model car | |
| CN210905658U (en) | Structure for reducing liquid entrainment of biofiltration reactor | |
| CN220791344U (en) | Noise reduction device for ship engine | |
| CN220715459U (en) | Jet aeration mixing mechanism for water purification equipment | |
| CN218602107U (en) | Multi-stage combined silencer for boiler exhaust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |