CN107023529B - The adjustable double-stage injection device of nozzle - Google Patents
The adjustable double-stage injection device of nozzle Download PDFInfo
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- CN107023529B CN107023529B CN201710385888.9A CN201710385888A CN107023529B CN 107023529 B CN107023529 B CN 107023529B CN 201710385888 A CN201710385888 A CN 201710385888A CN 107023529 B CN107023529 B CN 107023529B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
- F04F5/12—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids of multi-stage type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/467—Arrangements of nozzles with a plurality of nozzles arranged in series
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of adjustable double-stage injection devices of nozzle.The adjustable double-stage injection device of the nozzle includes level-one injecting-unit, two-stage injection component, regulating member and emitting elements.Level-one injecting-unit has the first spraying canister of the first cover, the first jet member and both ends open；Two-stage injection component has the second spraying canister of the second cover, the second jet member and both ends open；Regulating member has adjusting rod and two adjusting sleeves being set on the adjusting rod, adjusting has protrusion on the periphery wall of sleeve, mobile adjusting rod can make one of adjusting sleeve and protrusion be embedded and be matched with the first cover, or mobile adjusting rod can make another adjusting sleeve and protrusion be embedded and be matched with the second cover；Emitting elements have exit tube, and exit tube is connected to another end opening of the second spraying canister.The adjustable double-stage injection device of the nozzle is without replacing nozzle with the stabilization of vacuum degree under the conditions of guaranteeing variable parameter operation under the premise of dismantling injector.
Description
Technical field
The present invention relates to liquid injection fields, more particularly to a kind of adjustable double-stage injection device of nozzle.
Background technique
Injector is called injector, jet pump, is a kind of equipment using fluid Transfer Quality and energy, due to its structure
Simply, movement-less part, reliable performance, economical operation, adaptable, manufacture maintenance cost is cheap, easy to maintenance etc. many excellent
Point is widely used in fields such as power, metallurgy, petrochemical industry, mining machinery, industry light industry textile industry, building, refrigeration.
Most of traditional emitter construction is fixed, but in actual production practices, operating condition often becomes
Dynamic, this needs replacing various sizes of nozzle, trunnion combination just to match operating condition, i.e., repeatedly disassembly injector, one side are dismantled
Injector is time-consuming and laborious, substantially increases cost, and on the other hand disassembly injector can make its serious wear repeatedly, causes using the longevity
Life shortens；And when thering is multiple spot vacuum degree, multicomponent injection etc. to require in technique, it is necessary to configure more jet pumps and come in fact
Existing, this necessarily leads to the increase of space, energy consumption and cost of investment.
Summary of the invention
Based on this, it is necessary to provide a kind of without replacing nozzle under the premise of dismantling injector to guarantee variable parameter operation
Under the conditions of vacuum degree stabilization, meet the adjustable double-stage injection device of stable nozzle of vacuum degree under the conditions of variable working condition.
A kind of adjustable double-stage injection device of nozzle, comprising:
Level-one injecting-unit, the level-one injecting-unit have the first cover, the first jet member and both ends open the
One spraying canister；First cover is connected to wherein one end of first spraying canister with for closing the end opening, and described the
The inner surface of one cover has circular first card slot, and the inner wall of first card slot has multiple first limiting slots, and described the
The groove bottom of one card slot has the first feed liquor through-hole and the first perforating positioned at first card slot center；First spray
The part first jet different with the first disk and multiple jet sizes is penetrated, has on first disk and is located at described first
First adjusting through-hole of disc centre and multiple the first spray orifices being looped around around the first adjusting through-hole, described first adjusts
The inner wall for saving through-hole has the first mating groove；Multiple first jets are corresponded and are connected to multiple first spray orifices,
The periphery of first disk has multiple expandables and protrudes from the first locating part of the periphery, first locating part
Lateral wall be in round and smooth shape；First disk is embedded in first card slot, and multiple first locating parts can be distinguished
It is embedded in multiple first limiting slots, the spout of one of them first jet is corresponding with the first feed liquor through-hole and phase
It is logical；The central angle phase between central angle and two adjacent first spray orifices between first limiting slot of adjacent two
Deng；
Two-stage injection component, the two-stage injection component have the second cover, the second jet member and both ends open the
Two spraying canisters；Second cover is connected to wherein one end of second spraying canister with for closing the end opening, and described the
Two barrels of covers also connect with another open end of first spraying canister and close the open end；Second cover is located at described
Surface in second spraying canister has circular second card slot, and the inner wall of second card slot has multiple second limiting slots, institute
The groove bottom for stating the second card slot has the second feed liquor through-hole and the second perforating positioned at second card slot center；Described
Two jet members have the second disk and the different second nozzle of multiple jet sizes, have on second disk be located at it is described
Second adjusting through-hole of the second disc centre and it is multiple be looped around described second and adjust the second spray orifice around through-hole, described the
Two inner walls for adjusting through-hole have the second mating groove；Multiple second nozzles and multiple second spray orifices correspond and connect
Logical, the periphery of second disk has multiple expandables and protrudes from the second locating part of the periphery, second limit
The lateral wall of position part is in round and smooth shape；Second disk is embedded in second card slot, and multiple second locating part energy
Multiple second limiting slots are enough respectively embedded into, the spout of one of them second nozzle is corresponding with the second feed liquor through-hole
And it communicates；The center of circle between central angle and two adjacent second spray orifices between second limiting slot of adjacent two
Angle is equal；
Regulating member, the regulating member have adjusting rod and two adjusting sleeves being set on the adjusting rod；
There is protrusion, the adjusting rod is arranged in first perforating and described second wears on the periphery wall for adjusting sleeve
Hole, two adjusting sleeves be located in first spraying canister and second spraying canister in or two tune
Section sleeve is respectively positioned in first spraying canister, and the mobile adjusting rod can be such that one of them described adjusting sleeve is embedded to be matched with
Described first adjusts through-hole, or the mobile adjusting rod can be such that another described adjustings sleeve is embedded to be matched with second tune
Save through-hole；And
Emitting elements, the emitting elements have exit tube, and the exit tube is connected to the another of second spraying canister
End opening.
Multiple first limiting slots are uniformly distributed on the first card slot inner wall in one of the embodiments, more
A first locating part is uniformly distributed on the periphery of first disk, and multiple first spray orifices are evenly distributed on same
On circumference；
Multiple second limiting slots are uniformly distributed on the second card slot inner wall, and multiple second locating parts are in institute
It states and is uniformly distributed on the periphery of the second disk, multiple second spray orifices are uniformly distributed on the same circumference.
Multiple first jets are multiple on first disk according to jet size in one of the embodiments,
In first spray orifice successively sequence be distributed, multiple second nozzles according to jet size on second disk multiple second
Successively sequence is distributed in spray orifice.
One end of each first jet is embedded from a surface of first disk in one of the embodiments,
In corresponding first spray orifice；
One end of each second nozzle is embedded from a surface of second disk in corresponding second spray orifice
It is interior.
The jet size of the one end of each first jet far from first disk is small in one of the embodiments,
Jet size in one end towards first disk；
The jet size of the one end of each second nozzle far from second disk is less than towards second disk
One end jet size.
The internal diameter of each first jet is by towards one end of first disk to remote in one of the embodiments,
One end from first disk is gradually reduced, the outer diameter of each first jet by towards one end of first disk extremely
One end far from first disk is gradually reduced；
The internal diameter of each second nozzle is by one towards one end of second disk to separate second disk
End is gradually reduced, and the outer diameter of each second nozzle is by towards one end of second disk to far from second disk
One end is gradually reduced.
The described first inner wall for adjusting through-hole has multiple first mating grooves in one of the embodiments,；It is described
Second inner wall for adjusting through-hole has multiple second mating grooves；There are multiple protrusions on the periphery wall for adjusting sleeve；
Described first adjust through-hole and multiple first mating grooves can respectively with the corresponding adjusting sleeve and
Multiple protrusions are embedded cooperation；Described second adjust through-hole and multiple second mating grooves can respectively with it is corresponding described in
It adjusts sleeve and multiple protrusions is embedded cooperation.
In one of the embodiments, further include connecting flange, second cover by the connecting flange with it is described
The respective end of first spraying canister connects；The exit tube is corresponding to second spraying canister also by a connecting flange
End connection.
The emitting elements also have mixing tube, the relatively phase open at one end of the mixing tube in one of the embodiments,
Pair another end opening it is big, the phase of the mixing biggish one end of tube opening by the connecting flange and second spraying canister
Connection and connection should be held, the lesser one end of the mixing tube opening connect and is connected to the exit tube.
The regulating member also has regulation handle in one of the embodiments, and the regulation handle is connected to described
On the one end of adjusting rod outwardly.
The adjustable double-stage injection device of above-mentioned nozzle, on the one hand, two-stage feed liquor through-hole (the first feed liquor of double-stage injection device
Through-hole, the second feed liquor through-hole) at generate negative pressure respectively, can satisfy multiple spot vacuum degree and multicomponent injection demand；On the other hand,
Different level-ones, secondary nozzle can be replaced respectively by the adjusting rod of regulating member, obtain different nozzle diameter combinations, no
It only can satisfy double-stage injection device to work in different occasions and vacuum range, moreover it is possible to solve injection injection under the conditions of variable parameter operation
The problem that performance is low, energy consumption is high.The adjustable double-stage injection device of above-mentioned nozzle, by rotation adjusting lever drive the first disk or
Person the second disk rotational replaces first order jet nozzle, secondary nozzle, obtains different level-ones, the combination of secondary vacuum degree, is become with meeting
The stabilization of vacuum degree under working condition.
Compared with prior art, the adjustable double-stage injection device of above-mentioned nozzle has the advantage that 1) two-stage of the present invention
Negative pressure twice can be generated at suction inlet, can satisfy the requirement of a variety of vacuum degrees and multicomponent injection；2) the configuration of the present invention is simple, nothing
Double-stage injection device, long service life need to be dismantled；Connecting rod rotation is set to drive the first disk and the second circle by rotating regulation handle
Disc spins replace various sizes of level-one, secondary nozzle, obtain different level-ones, the combination of secondary vacuum degree.3) work as operating condition
When changing, by replacing the nozzle of various sizes of level-one, second level, double-stage injection device can also be made to keep preferably injection
Energy.
Detailed description of the invention
Fig. 1 is the adjustable double-stage injection device perspective view of the explosion of an embodiment nozzle；
Fig. 2 is that the adjustable double-stage injection device of nozzle shown in Fig. 1 removes regulating member trailing flank schematic cross-sectional view；
Fig. 3 is that the adjustable double-stage injection device regulating member of nozzle shown in Fig. 1 is illustrated with the first disk, the cooperation of the second disk
Figure；
Fig. 4 is the first cover front schematic view of the adjustable double-stage injection device of nozzle shown in Fig. 1；
Fig. 5 is the first cover side cross sectional views shown in Fig. 4；
Fig. 6 is the first disk side cross sectional views of the adjustable double-stage injection device of nozzle shown in Fig. 1；
Fig. 7 is the first disk front schematic view shown in Fig. 6；
Fig. 8 is the second cover front schematic view of the adjustable double-stage injection device of nozzle shown in Fig. 1；
Fig. 9 is the second cover side cross sectional views shown in Fig. 8；
Figure 10 is the second disk side cross sectional views of the adjustable double-stage injection device of nozzle shown in Fig. 1；
Figure 11 is the second disk front schematic view shown in Figure 10；
The adjusting sleeve front schematic view of the adjustable double-stage injection device of nozzle shown in Figure 12 Fig. 1.
Description of symbols
10, the adjustable double-stage injection device of nozzle；100, level-one injecting-unit；110, the first cover；111, the first card slot；
112, the first limiting slot；113, the first feed liquor through-hole；114, the first perforating；120, the first jet member；121, the first disk；
1211, first through-hole is adjusted；1212, the first spray orifice；1213, the first mating groove；1214, the first locating part；122, first jet；
130, the first spraying canister；200, two-stage injection component；210, the second cover；211, the second card slot；212, the second limiting slot；213,
Second feed liquor through-hole；214, the second perforating；220, the second jet member；221, the second disk；2211, second through-hole is adjusted；
2212, the second spray orifice；2213, the second mating groove；2214, the second locating part；222, second nozzle；230, the second spraying canister；
300, regulating member；310, adjusting rod；320, sleeve is adjusted；321, raised；330, regulation handle；400, emitting elements；410,
Mixing tube；420, exit tube；500, connecting flange.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Referring to shown in Fig. 1 and Fig. 2, the present embodiment relates to a kind of adjustable double-stage injection device 10 of nozzle.The nozzle can
The double-stage injection device 10 of adjusting includes level-one injecting-unit 100, two-stage injection component 200, regulating member 300 and emitting elements
400。
Referring to shown in Fig. 1, Fig. 2, level-one injecting-unit 100 has the first cover 110, the first jet member 120 and both ends
First spraying canister 130 of opening.First cover 110 is connected to wherein one end of the first spraying canister 130 to open for closing the end
Mouthful.
Referring to fig. 4, shown in Fig. 5, the inner surface of the first cover 110 has circular first card slot 111.First card slot 111
Inner wall there are multiple first limiting slots 112, the groove bottom of the first card slot 111 has the first feed liquor through-hole 113 and is located at the
First perforating 114 at one card slot, 111 center.First feed liquor through-hole 113 is used to connect and be connected to external inlet tube.
First jet member 120 first jet 122 different with the first disk 121 and multiple jet sizes.
Through-hole is adjusted positioned at the first of 121 center of the first disk referring to having shown in Fig. 6, Fig. 7, on the first disk 121
1211 and multiple the first spray orifices 1212 being looped around around the first adjusting through-hole 1211, first adjusts the inner wall tool of through-hole 1211
There is the first mating groove 1213.
Multiple first jets 122 are corresponded and are connected to multiple first spray orifices 1212.Further, multiple first jets
122 according to jet size, successively sequence is distributed in multiple first spray orifices on the first disk 121.Preferably, each first spray
One end of mouth 122 is embedded in corresponding first spray orifice 1212 from a surface of the first disk 121 and the end does not protrude from first
Another surface of disk 121.In the present embodiment, the quantity of first jet 122 and the quantity of the first spray orifice 1212 are four,
Four first jets 122 are corresponded and are connected to four the first spray orifices 1212, it can be appreciated that the quantity of first jet 122 with
The quantity of first spray orifice 1212 can also be other quantity, such as be three, five, six.
Further, shown in Figure 2, the jet size of the one end of each first jet 122 far from the first disk 121 is small
Jet size in one end towards the first disk 121.
Preferably, shown in Figure 2, the internal diameter of each first jet 122 is by towards one end of the first disk 121 to separate
One end of first disk 121 is gradually reduced, and the outer diameter of each first jet 122 is by towards one end of the first disk 121 to separate
One end of first disk 121 is gradually reduced.
Referring to shown in Fig. 6, Fig. 7, the periphery of the first disk 121 has the first locating part 1214 of multiple expandables.
The outer side edges of first locating part 1214 are in round and smooth shape, when rotating the first disk 121 in the first card slot 111, the first locating part
The 1214 extruding contraction by 112 cell wall of the first limiting slot, after multiple first locating parts, 1214 all compressions completely, Ji Keshi
Existing rotation of first disk 121 in the first card slot 111；First disk 121 is embedded in the first card slot 111, multiple first limits
Position part 1214 and multiple first limiting slots 112 correspond, the spout of one of first jet 122 and the first feed liquor through-hole
113 correspond to and communicate.The length of first locating part 1214 is bigger than the depth of the first limiting slot 112.When the first locating part 1214 blocks
When in corresponding first limiting slot 112, the first locating part 1214 is in compressive state, and multiple first locating parts 1214 can make
It is motionless in the axial direction to obtain the first disk 121.
The center of circle between central angle and two adjacent the first spray orifices 1212 between two adjacent the first limiting slots 112
Angle is equal, which can be 60 ° or 90 ° etc..In the attached drawing of the present embodiment, thus it is shown that 90 ° of central angle, namely
Four the first spray orifices 1212 are distributed in orthogonal two of the first disk 121 diametrically.
Further, shown in Figure 4, multiple first limiting slots 112 are uniformly distributed on 111 inner wall of the first card slot, more
A first locating part 1214 is uniformly distributed on the periphery of the first disk 121, and multiple first spray orifices 1212 are evenly distributed on same
On circumference.
Shown in Figure 1, two-stage injection component 200 has the second cover 210, the second jet member 220 and both ends open
The second spraying canister 230.Second cover 210 is connected to wherein one end of the second spraying canister 230 with for closing the end opening, the
Two barrels of covers also connect with another open end of the first spraying canister 130 and close the open end.
Referring to shown in Fig. 8, Fig. 9, the second cover 210, which is located at the surface in the second spraying canister 230, has circular second card
Slot 211, the inner wall of the second card slot 211 have multiple second limiting slots 212, and the groove bottom of the second card slot 211 has the second feed liquor
Through-hole 213 and the second perforating 214 positioned at 211 center of the second card slot.
Referring to shown in Fig. 1, Fig. 2, the second jet member 220 have the second disk 221 and multiple jet sizes it is different the
Two nozzles 222 have on second disk 221 and adjust through-hole 2211 positioned at the second of 221 center of the second disk and multiple surround
The second spray orifice 2212 around through-hole 2211 is adjusted second, the second inner wall for adjusting through-hole 2211 has the second mating groove
2213。
Multiple second nozzles 222 are corresponded and are connected to multiple second spray orifices 2212.Further, multiple second nozzles
222 according to jet size, successively sequence is distributed in multiple second spray orifices on the second disk 221.Each second nozzle 222
One end is embedded in corresponding second spray orifice 2212 from a surface of the second disk 221 and the end does not protrude from the second disk 221
Another surface.In the present embodiment, the quantity of the quantity of second nozzle 222 and the second spray orifice 2212 is four, and four the
Two nozzles 222 are corresponded and are connected to four the second spray orifices 2212, it can be appreciated that the quantity of second nozzle 222 and the second spray
The quantity in hole 2212 can also be other quantity, such as be three, five, six.
Preferably, referring to shown in Fig. 1, Fig. 2, the jet size of the one end of each second nozzle 222 far from the second disk 221
Less than the jet size towards one end of the second disk 221.
Further, the internal diameter of each second nozzle 222 is by towards one end of the second disk 221 to far from the second disk
221 one end is gradually reduced, and the outer diameter of each second nozzle 222 is by towards one end of the second disk 221 to far from the second disk
221 one end is gradually reduced.
Referring to shown in Figure 10, Figure 11, the periphery of the second disk 221 has the second locating part of multiple expandables
2214, the second disk 221 is embedded in the second card slot 211, and multiple second locating parts 2214 and multiple second limiting slots 212 1
One is corresponding, and the spout of one of second nozzle 222 is corresponding with the second feed liquor through-hole 213 and communicates.Second locating part 2214
Length is bigger than the depth of the second limiting slot 212.When the second locating part 2214 is stuck in corresponding second limiting slot 212, second
Locating part 2214 is in compressive state, and multiple second locating parts 2214 enable to the second disk 221 motionless in the axial direction.
The center of circle between central angle and two adjacent the second spray orifices 2212 between two adjacent the second limiting slots 212
Angle is equal, which can be 60 ° or 90 ° etc..In the attached drawing of the present embodiment, thus it is shown that 90 ° of central angle, namely
Four the second spray orifices 2212 are distributed in orthogonal two of the second disk 221 diametrically.
Shown in Figure 11, the outer side edges of the second locating part 2214 are in round and smooth shape, when rotating second in the second card slot 211
When disk 221, the second locating part 2214 is shunk by the extruding of 212 cell wall of the second limiting slot, when multiple second locating parts 2214
All completely after compression, rotation of second disk 221 in the second card slot 211 can be realized.
Further, shown in Figure 8, multiple second limiting slots 212 are uniformly distributed on 211 inner wall of the second card slot, more
A second locating part 2214 is uniformly distributed on the periphery of the second disk 221, and multiple second spray orifices 2212 are evenly distributed on same
On circumference.
Referring to shown in Fig. 3, Figure 12, regulating member 300 is set on adjusting rod 310 with adjusting rod 310 and two
Adjust sleeve 320.Adjusting has protrusion 321 on the periphery wall of sleeve 320.Adjusting rod 310 be arranged in the first perforating 114 and
Second perforating 214, two adjusting sleeves 320 be located in the first spraying canister 130 and the second spraying canister 230 in or two
A adjusting sleeve 320 is respectively positioned in the first spraying canister 130.Mobile adjusting rod 310 can make one of adjusting sleeve 320 and protrusion
321 are embedded and are matched with the first adjusting through-hole 1211 and the first mating groove 1213；Or mobile adjusting rod 310 can make another adjusting
Sleeve 320 and protrusion 321 are embedded and are matched with the second adjusting through-hole 2211 and the second mating groove 2213.
Referring to shown in Fig. 1, Fig. 2, emitting elements 400 have exit tube 420, and exit tube 420 is connected to the second spraying canister 230
Another end opening.
Further, shown in Figure 7, the first inner wall for adjusting through-hole 1211 has multiple first mating grooves 1213；Ginseng
As shown in Figure 11, the second inner wall for adjusting through-hole 2211 has multiple second mating grooves 2213.
Shown in Figure 12, adjusting has multiple raised 321 on the periphery wall of sleeve 320.First adjust through-hole 1211 and
Multiple first mating grooves 1213 can adjust sleeve 320 and multiple raised 321 be embedded cooperation with corresponding respectively.Second is adjusted
Through-hole 2211 and multiple second mating grooves 2213 can adjust sleeve 320 and multiple raised 321 are embedded and match with corresponding respectively
It closes.
It is shown in Figure 1, it may include connecting flange 500 in the present embodiment, the second cover 210 passes through connecting flange
500 connect with the respective end of the first spraying canister 130.Exit tube 420 is also by a connecting flange 500 and the second spraying canister 230
Respective end connection.
Further, shown in Figure 1, emitting elements 400 also have mixing tube 410, mixing tube 410 it is open at one end compared with
Opposite another end opening is big, and the biggish one end that is open of mixing tube 410 passes through the phase of connecting flange 500 and the second spraying canister 230
Connection and connection should be held, the lesser one end that is open of mixing tube 410 connect and is connected to exit tube 420.
Further, shown in Figure 3, for the ease of adjusting, in the present embodiment, regulating member 300 is also provided with
Regulation handle 330, regulation handle 330 are connected on the one end of adjusting rod 310 outwardly.Further, regulation handle 300 is in disk
Shape, the center of regulation handle 330 are connected on the end of adjusting rod 310.
Further, it is respectively connected with ejector pipe on the first spraying canister 130 and the second spraying canister 230, ejector pipe is for inhaling
Enter low-pressure injection fluid.
The adjustable double-stage injection device 10 of above-mentioned nozzle, on the one hand, double-stage injection device two-stage feed liquor through-hole (first into
Fluid through-hole 113, the second feed liquor through-hole 213) at generate negative pressure respectively, draw so that level-one, second level suction inlet be made to suck (low pressure) respectively
Jet body can satisfy multiple spot vacuum degree and multicomponent injection demand in this way；On the other hand, pass through the adjusting of regulating member 300
Bar 310 can replace different level-ones, secondary nozzle respectively, obtain different nozzle diameter combinations, not only can satisfy twin-stage
Injector works in different occasions and vacuum range, moreover it is possible to solve that injection injection performance is low under the conditions of variable parameter operation, energy consumption is high
The problem of.The adjustable double-stage injection device 10 of above-mentioned nozzle drives the first disk 121 or the by rotation adjusting lever 310
Two disks 221 rotate to replace first order jet nozzle, secondary nozzle, obtain different level-ones, the combination of secondary vacuum degree, are exchanged work with meeting
The stabilization of vacuum degree under the conditions of condition.
Compared with prior art, the adjustable double-stage injection device 10 of above-mentioned nozzle has the advantage that the 1) present invention two
Negative pressure twice can be generated at grade suction inlet, can satisfy the requirement of a variety of vacuum degrees and multicomponent injection；2) the configuration of the present invention is simple,
Without dismantling double-stage injection device, long service life；Connecting rod rotation is set to drive two disc rotaries by rotating regulation handle 330
Various sizes of level-one, secondary nozzle are replaced, different level-ones, the combination of secondary vacuum degree are obtained.3) when operating condition becomes
When change, by replacing the nozzle of various sizes of level-one, second level, double-stage injection device can also be made to keep preferably injection performance.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of adjustable double-stage injection device of nozzle characterized by comprising
Level-one injecting-unit, the level-one injecting-unit have the first spray of the first cover, the first jet member and both ends open
Shooting cylinder；First cover is connected to wherein one end of first spraying canister with for closing the end opening, and described first
The inner surface of lid has circular first card slot, and the inner wall of first card slot has multiple first limiting slots, first card
The groove bottom of slot has the first feed liquor through-hole and the first perforating positioned at first card slot center；First jet member
With the different first jet of the first disk and multiple jet sizes, has on first disk and be located at first disk
The first adjusting through-hole at center and multiple the first spray orifices being looped around around the first adjusting through-hole, first adjusting are logical
The inner wall in hole has the first mating groove；Multiple first jets are corresponded and are connected to multiple first spray orifices, described
The periphery of first disk has multiple expandables and protrudes from the first locating part of the periphery, outside first locating part
Side wall is in round and smooth shape；First disk is embedded in first card slot, and multiple first locating parts can be respectively embedded into
Multiple first limiting slots, the spout of one of them first jet is corresponding with the first feed liquor through-hole and communicates；Phase
Central angle between two adjacent first limiting slots is equal with the central angle between two adjacent first spray orifices；
Two-stage injection component, the two-stage injection component have the second spray of the second cover, the second jet member and both ends open
Shooting cylinder；Second cover is connected to wherein one end of second spraying canister with for closing the end opening, and described second
Lid also connect with another open end of first spraying canister and closes the open end；Second cover is located at second spray
Surface in shooting cylinder has circular second card slot, and the inner wall of second card slot has multiple second limiting slots, and described second
The groove bottom of card slot has the second feed liquor through-hole and the second perforating positioned at second card slot center；Second injection
Part has the second disk and the different second nozzle of multiple jet sizes, has on second disk and is located at second circle
Second adjusting through-hole of disk center and multiple the second spray orifices being looped around around the second adjusting through-hole, described second is adjusted
The inner wall of through-hole has the second mating groove；Multiple second nozzles are corresponded and are connected to, institute with multiple second spray orifices
The periphery for stating the second disk has multiple expandables and protrudes from the second locating part of the periphery, second locating part
Lateral wall is in round and smooth shape；Second disk is embedded in second card slot, and multiple second locating parts can be distinguished
It is embedded in multiple second limiting slots, the spout of one of them second nozzle is corresponding with the second feed liquor through-hole and phase
It is logical；The central angle phase between central angle and two adjacent second spray orifices between second limiting slot of adjacent two
Deng；
Regulating member, the regulating member have adjusting rod and two adjusting sleeves being set on the adjusting rod；It is described
Adjusting has protrusion on the periphery wall of sleeve, the adjusting rod is arranged in first perforating and second perforating,
Two adjusting sleeves be located in first spraying canister and second spraying canister in or two adjustings
Sleeve is respectively positioned in first spraying canister, and the mobile adjusting rod can be such that one of them described adjusting sleeve is embedded to be matched with institute
State the first adjusting through-hole, or the mobile adjusting rod can be such that another described adjustings sleeve is embedded to be matched with second adjusting
Through-hole；And
Emitting elements, the emitting elements have exit tube, and the other end that the exit tube is connected to second spraying canister is opened
Mouthful.
2. the adjustable double-stage injection device of nozzle according to claim 1, which is characterized in that multiple first limiting slots
It is uniformly distributed on the first card slot inner wall, multiple first locating parts uniformly divide on the periphery of first disk
Cloth, multiple first spray orifices are uniformly distributed on the same circumference；
Multiple second limiting slots are uniformly distributed on the second card slot inner wall, and multiple second locating parts are described
It is uniformly distributed on the periphery of two disks, multiple second spray orifices are uniformly distributed on the same circumference.
3. the adjustable double-stage injection device of nozzle according to claim 2, which is characterized in that multiple first jets are pressed
According to jet size, successively sequence is distributed in multiple first spray orifices on first disk；Multiple second nozzles are according to spray
Successively sequence is distributed mouth size in multiple second spray orifices on second disk.
4. the adjustable double-stage injection device of nozzle according to claim 1 to 3, which is characterized in that each described
One end of first jet is embedded in corresponding first spray orifice by a surface of first disk；
One end of each second nozzle is embedded in corresponding second spray orifice by a surface of second disk.
5. the adjustable double-stage injection device of nozzle according to claim 4, which is characterized in that each first jet is remote
The jet size of one end from first disk is less than the jet size towards one end of first disk；
The jet size of the one end of each second nozzle far from second disk is less than towards the one of second disk
The jet size at end.
6. the adjustable double-stage injection device of nozzle according to claim 5, which is characterized in that each first jet
Internal diameter towards one end of first disk to one end far from first disk by being gradually reduced, each first jet
Outer diameter by being gradually reduced towards one end of first disk to far from one end of first disk；
The internal diameter of each second nozzle by towards one end of second disk to far from second disk one end by
Decrescence small, the outer diameter of each second nozzle is by towards one end of second disk to one end far from second disk
It is gradually reduced.
7. the adjustable double-stage injection device of nozzle according to claim 1 to 3, which is characterized in that described first
The inner wall for adjusting through-hole has multiple first mating grooves；Described second inner wall for adjusting through-hole has multiple second cooperations
Slot；There are multiple protrusions on the periphery wall for adjusting sleeve；
Described first adjust through-hole and multiple first mating grooves can respectively with the corresponding adjusting sleeve and multiple
The protrusion is embedded cooperation；Described second adjust through-hole and multiple second mating grooves can respectively with the corresponding adjusting
Sleeve and multiple protrusions are embedded cooperation.
8. the adjustable double-stage injection device of nozzle according to claim 1 to 3, which is characterized in that further include connecting
Acting flange, second cover are connect by the connecting flange with the respective end of first spraying canister；The exit tube
It is connect by a connecting flange with the respective end of second spraying canister.
9. the adjustable double-stage injection device of nozzle according to claim 8, which is characterized in that the emitting elements also have
Mixing tube, the mixing tube it is open at one end big compared with opposite another end opening, the biggish one end of the mixing tube opening passes through
The connecting flange connect and is connected to the respective end of second spraying canister, the lesser one end of the mixing tube opening with it is described
Exit tube connection and connection.
10. the adjustable double-stage injection device of nozzle according to claim 1 to 3, which is characterized in that the tune
Section component also has regulation handle, and the regulation handle is connected on the one end of the adjusting rod outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385888.9A CN107023529B (en) | 2017-05-26 | 2017-05-26 | The adjustable double-stage injection device of nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385888.9A CN107023529B (en) | 2017-05-26 | 2017-05-26 | The adjustable double-stage injection device of nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107023529A CN107023529A (en) | 2017-08-08 |
| CN107023529B true CN107023529B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385888.9A Expired - Fee Related CN107023529B (en) | 2017-05-26 | 2017-05-26 | The adjustable double-stage injection device of nozzle |
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| CN (1) | CN107023529B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412845B (en) * | 2022-01-28 | 2022-08-26 | 成都图尔思科技有限公司 | Adjustable jet pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191107809A (en) * | 1911-03-29 | 1912-03-29 | Donald Barns Morison | Improvements in Water Jet Ejectors. |
| CH101872A (en) * | 1921-12-12 | 1923-11-01 | Eugene Caron Virgile | A method and apparatus for the suction and compression of a gaseous fluid. |
| WO2014094878A1 (en) * | 2012-12-21 | 2014-06-26 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage |
| CN103104280B (en) * | 2013-02-28 | 2015-03-04 | 中国矿业大学 | Underground coal mine dust collecting device |
| CN203702677U (en) * | 2014-02-26 | 2014-07-09 | 昆山冠品优精密机械有限公司 | Low-noise vacuum generator |
| CN106122120B (en) * | 2016-07-28 | 2018-11-13 | 浙江工业大学 | Compound two-stage multichannel gas-liquid jet pump |
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| Publication number | Publication date |
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| CN107023529A (en) | 2017-08-08 |
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