CN102654145B - Jet pump - Google Patents
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- CN102654145B CN102654145B CN201110255511.4A CN201110255511A CN102654145B CN 102654145 B CN102654145 B CN 102654145B CN 201110255511 A CN201110255511 A CN 201110255511A CN 102654145 B CN102654145 B CN 102654145B
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Abstract
The invention provides a jet pump, and relates to a mixed flow jet apparatus. The jet pump is composed of a current distributing assembly, an inner pipe assembly and an outer sleeve assembly which have a same shaft core, wherein the current distributing assembly and the inner pipe assembly are fixedly connected in series, thereby forming a blind top centre cavity and a centre mixing tube; the outer sleeve assembly is sleeved outside the current distributing assembly and the inner pipe assembly, thereby forming an annular mixing chamber, an annular mixing pipe, a total mixing chamber and a total mixing output pipe; an internal ring nozzle and an external ring nozzle are arranged between the current distributing assembly and the inner pipe assembly, a mainstream body sprayed by the internal ring nozzle carries out jet-suction on a secondary fluid of the blind top centre cavity so as to spray to the centre mixing tube, and the secondary fluid is mixed in the centre mixing tube so as to output a centre mixed flow; a mainstream body sprayed by the external ring nozzle carries out jet-suction on a secondary fluid of the blind top centre cavity so as to spray to the annular mixing pipe, and the secondary fluid is mixed in the annular mixing pipe so as to output an annular mixed flow; and the two mixed flows are mutually injected to enter the total mixing chamber and the total mixing output pipe so as to further output in an isotrope voltage-sharing manner. The jet pump provided by the invention has the advantages of smaller weight and axial direction size, high injection rate, great suction force and good property in large flow.
Description
Technical field
The present invention relates to a kind of mixed flow injection apparatus, specifically a kind of jet pump spraying for fluid-mixing.
Background technique
Jet pump also claims sparger, jet pump, Jet injector, and it is with the inferior fluid of higher pressure main fluid injection low pressure (or aspirating with no pressure), completes the device of main fluid suction time fluid.Because sparger is without moving parts, use reliably, be widely used on the fluid device of multiple fields.
Now is made up of a set of primary fluid inlet pipe, main fluid nozzle, inferior fluid inlet tube, mixing chamber, mixing tube or mixing diffuser pipe sparger; Pass into the primary fluid jetstream that the inferior fluid of mixing chamber sprayed by nozzle and be pumped into mixing tube, mix and all press output mixing in diffuser pipe.The mixing tube of this sparger is generally single elongated pipe, as typical Venturi tube.
The patent No. is the Chinese utility model patent of ZL02223851.4, and a kind of ring-type jet vacuum pump taking water as working medium is provided.Between its sucking pipe group and injection pipe assembly, there is annular slot spout.This device is actual is an one-pipe jet pump with annulus nozzle.
The patent No. is the Chinese utility model patent of ZL200920106414.7, discloses a kind of annular jet Mining oil pump, and it arranges a circle in ring sleeve and all pass into the little liquid jetting device of intermediate manifold outside, and each little liquid jetting device is with a set of nozzle, trunnion, diffusing tube; Working voltage liquid injection low-pressure stratum liquid while use in down-hole, mixed flow gives rise to ground and reaches Mining oil object.Because this device is exported to intermediate manifold by the little liquid jetting device of a circle, it is actual is the pump of ejector parallel jet more than.
Above-mentioned single tube annulus nozzle pump, many ejectors parallel jet pump, and some multiple nozzle spraying devices in practicality, they do not change sparger and use the agent structure of a single pipe yet.The basic structure of this single-tube injector adopts so far and does not become.The advantage of single-tube injector be simple in structure, working stability is reliable, but exist as follows:
To stimulating the menstrual flow more greatly and single-tube injector or the Jet injector of flow, mixing tube need stimulate the menstrual flow greatly, well take out the object (reaching large injection ratio or higher mixing output pressure) of drawing time fluid for reaching, main fluid free jet need to keep certain larynx face than (mixing tube and main fluid nozzle exit ratio) so that can spread and be full of mixing tube arriving after certain depth, cause piston swabbing effect. must want the power stream of He great footpath, larger-diameter nozzle exit bundle with the single-tube injector of flow to stimulating the menstrual flow more greatly, but its primary fluid jetstream of existing Jet injector is positioned at mixing chamber central authorities, inferior fluid is entrainmented at primary fluid jetstream bundle periphery, primary fluid jetstream diameter is larger just means the main fluid of per unit volume and the contact rate of time fluid and to entrainment efficiency lower, be that mass ratio of induced-to-inducing air or injection compare step-down.For improving jet pump efficiency, prior art solution is that to make jet be divided into several strands be Mining multiinjector jet, but this does not change the distribution of primary fluid jetstream at the inferior fluid of central injection periphery.Because blocking of stream thigh or peripheral jet beam around, inferior fluid is around difficult to be drawn into the inner area of central jet, entrainment still and mainly carry out in mixing chamber outer periphery, this ability that will inevitably reduce main fluid suction time fluid had both reduced Jet injector injection ratio or pump approximately and had taken out ability.
Existing sparger is the turbulent diffusion in mixing pipe range stroke by jet mainly, make main fluid and time mutual blending of fluid, the turbulent fluctuation diffusion of jet need to have a process that produces development and strengthen in mixing tube, thereby sparger all must will have elongated mixing tube (or mixing diffuser pipe), and large flow sparger needs heavy caliber mixing tube, it is more difficult that bore diffuses to form even mixing by jet turbulent fluctuation more greatly, can in mixing tube, all press fully by blending mass transfer for making main fluid and the inferior fluid being entrainmented, just need to greatly increase the length of mixing tube, thereby cause the especially large specification single-tube injector of existing ejector axial dimension, the shortcoming that space occupy-place and weight are excessive.This is concerning needs small volume and underloaded many occasions, and it is very unfavorable that Qi An Installed uses.
Summary of the invention
The present invention aim to provide a kind of weight and axial dimension compared with little, injection rate is high, suction force large, the good jet pump of performance when large flow.
Technological scheme of the present invention is: a kind of jet pump, and it is made up of flow assembly, inner tube assembly and the outer jacket member of concentric, and flow assembly and inner tube assembly serial connection are connected, and outer jacket member is set in outside flow assembly and inner tube assembly;
This flow assembly center of top is established main fluid inlet pipe, and the flow cover with blind top center cavity is established at middle part; On the perisporium of this flow cover, the inferior fluid through-hole of the blind top of horizontal uniform connection center cavity, is vertically evenly equipped with main fluid through hole, the isolation that crosses one another of these two kinds of through holes;
The ring nozzle seat that hole enlargement ring forms is established in the upper end of this inner tube assembly, on this ring nozzle seat, establishes outer shroud nozzle; The extend back path inner tube that is shrunk to of this inner tube assembly forms center mixing tube; The flow cover end of this inner tube assembly upper end hole enlargement ring and this flow assembly, is tightly connected mouth to mouth, forms flat annular chamber between the two; This flat annular chamber upwards communicates with main fluid inlet pipe through main fluid through hole, logical outer shroud nozzle entrance downwards, inwardly logical interior ring nozzle entrance; This interior ring spray mouth be this blind top center cavity outlet ring conical surface with this inner tube assembly front end taper hole to the gap pressing from both sides, this interior ring spray mouth is annular taper gap continuous between circular cone or is uniform many straight troughs or skewed slot form on circular cone interrupted annular taper gap, the cone angle in this annular taper gap is less than 60 degree, and the cone angle in this annular taper gap exports towards center mixing tube;
This outer jacket member is made up of the concentric outerhose of anterior hole enlargement, rear portion undergauge; The hole enlargement pipeline section top of this outer tube front portion mouthful is fixed by this main fluid inlet pipe periphery wall sealing; Between the hole enlargement pipeline section of this outer tube front portion and contraction Taper Pipe section thereof and this flow cover, this inner tube assembly front portion, form annular mixing chamber, this annular mixing chamber's perisporium is provided with time fluid inlet tube; On flow cover and this flow cover perisporium, laterally uniform inferior fluid through-hole entrance is all positioned at annular mixing chamber, and annular mixing chamber is communicated with blind top center cavity;
Looping mixing tube between the mixing tube rear portion, pipeline section Yu Gai center of this outer tube after Taper Pipe section is shunk in front portion, annular mixing tube import is shunk the outlet of Taper Pipe section with annular mixing chamber and is smoothly communicated with; The entrance of this outer shroud nozzle is communicated with this main fluid inlet pipe through this flat annular chamber and this main fluid through hole; The outlet of this outer shroud nozzle is enclosed in annular mixing chamber bottom and just the contraction Taper Pipe of this annular mixing chamber is being exported and this annular mixing tube;
The pipeline section that this outer tube is longer than this path inner tube outlet end is in the axial direction total output tube that mixes; This total entrance that mixes output tube is established the total mixing chamber with convergent footpath Taper Pipe section; Total mixing tube that this total back segment that mixes output tube is straight length, or this total back segment that mixes output tube total mixing tube that is straight length and the diffuser pipe of hole enlargement gradually;
Center mixing tube outlet and annular mixing tube export and always mix output tube composition rear class jet mixer.
The inferior fluid that has entered blind top center cavity from the primary fluid jetstream suction of interior ring spray mouth ejection, sprays to center mixing tube, and output center mixed flow after mixing therein; The inferior fluid that has entered annular mixing chamber from the primary fluid jetstream suction of outer shroud nozzle ejection, sprays to annular mixing tube, and the annular mixed flow of output after mixing therein; This center mixed flow and the mutual injection of this annular mixed flow enter total mixing chamber and total further mixing of mixing tube, homogeneous, all press and export.
Here center mixing tube outlet and annular mixing tube export and always mix output tube and jointly form a kind of rear class jet mixer function, center mixing tube outlet is equivalent to the central main fluid spout of rear class jet mixer, annular mixing tube exports the inferior fluid input in the total mixing chamber that is equivalent to rear class jet mixer, always mixes total mixing tube of output tube or/and diffuser pipe is equivalent to the mixing output tube of rear class jet mixer.The segmental structure that this flow assembly, inner tube assembly and outer jacket member form is easy to processing and assembling.
Described outer shroud nozzle is the circular hole that lopping distributes, and the outlet of these circular holes is positioned on the annular groove of ring nozzle seat exit end face, and the outlet of each circular hole is passed through mutually with this annular groove, the V-shaped or U-shaped of annular groove section.Because outer shroud nozzle has V-arrangement or U-shaped circular groove spout, the jet flow of outer shroud nozzle can cause the transverse shifting of main fluid in annular mixing tube, be conducive to the diffusion of jet flow in annular mixing tube and be full of, thereby increase suction piston action, be also conducive to primary and secondary fluid mixed at annular mixing tube internal reference.
Described outer shroud nozzle is the multiple circular holes that become two circles to distribute on described ring nozzle seat; On inner ring, the center line of each circular hole is distributed on different sagittal planes from center line or the dislocation of adjacent circular holes on outer ring, or is positioned in pairs on same sagittal plane mutually to intersection, and intersection point is positioned on the middle anchor ring of annular mixing tube.This kind of axis be positioned at same radial plane and the paired spray orifice that crosses one another hit mutually jet flow, be conducive to causing horizontal mixed flow in annular mixing tube with Chong Full, this can shorten the mixed Hang Cheng And reinforced suction power of ginseng.
When main fluid is water, wet goods liquid, and inferior fluid is while being gas, described outer shroud nozzle is atomization of liquid spraying nozzle, and this atomization of liquid spraying nozzle is in each spray orifice of ring nozzle seat, to establish eddy current or swirling flow atomizing core, or establishes spray orifice, the groove that can produce the mutual oblique of clashing into atomizing.The atomization of liquid spraying nozzle with atomizing functions for outer shroud nozzle Mining, can make to be initially just mixed to get from confluxing between primary and secondary fluid more even close, the heat and mass speed ， And that therefore can significantly improve jet pump of the present invention increases the specific functions such as the dedusting of jet pump, flash evaporation, rapid condensation.
When main fluid is water, wet goods liquid, and inferior fluid is while being gas, described interior ring spray mouth is annular taper gap or is uniform many straight troughs or skewed slot form on circular cone interrupted circular cone gap, the cone angle of this circular cone is less than 60 degree, and cone angle direction is towards described central mixing pipe outlet.This interior ring spray mouth is the atomization of liquid spraying nozzle with atomizing functions, can make to be initially just mixed to get from confluxing between primary and secondary fluid more even close, the heat and mass speed ， And that can significantly improve jet pump of the present invention increases the specific functions such as the dedusting of jet pump, flash evaporation, rapid condensation.
The leading portion of described total mixing output tube is provided with acceleration mixing section, and this acceleration mixing section is made up of secondary outer shroud nozzle and the periphery pipe of described total mixing chamber outlet pipeline section and its periphery; The large casing section straight of this periphery pipe is fixed on around the outer wall of total mixing chamber outlet pipeline section, forms the second fluid peripheral compartment of sealing between the two; On the sidewall of casing section greatly straight of this periphery pipe, establish second fluid inlet duct, annular taper gap between contraction taper hole mouth and the cone mouth of described total mixing chamber outlet pipeline section of the large footpath of this periphery pipe straight connector is secondary outer shroud nozzle, and the cone angle in this annular taper gap is less than 90 degree and cone angle exports towards described total mixing output tube.
Have the jet pump of the acceleration mixing section of second fluid inlet duct, secondary outer shroud nozzle and acceleration mixing chamber, the second fluid that its imports can be described main fluid, inferior fluid or is the third fluid in addition.
When the second fluid importing when its is described main fluid, two branched pipes of an available main fluid supply tube are communicated with respectively the main fluid inlet pipe that the second fluid inlet duct established on described second fluid peripheral compartment large footpath straight connector sidewall and flow assembly center of top are established, on described two branched pipes, respectively establish a throttle valve, for regulating this jet pump running parameter.Thereby the second fluid now the importing delivery pressure ， And that the fluid-mixing of the total mixing chamber outlet of injection can improve jet pump again can strengthen mix and blend intensity can accelerate to mix effectively.
When the second fluid importing when its can be described inferior fluid, two branched pipes of an available inferior fluid supply tube are communicated with respectively the inferior fluid inlet tube that the second fluid inlet duct established on described second fluid peripheral compartment large footpath straight connector sidewall is communicated with this annular mixing chamber's side position.The second fluid now importing can, by the fluid-mixing injection again of total mixing chamber outlet, can increase the intake of time fluid, thereby improves jet pump main fluid to the induction efficiency of inferior fluid and strengthen mixing efficiency.
If second fluid and not homology of original primary and secondary fluid, also can expand the mixed flow kind of jet pump of the present invention, expand the scope of its application.
Described center mixing tube or described annular mixing tube are provided with trunnion; This trunnion has the importing taper hole in convergent footpath and has the minimum latus rectum in the axial whole process of place mixing tube.Use trunnion can make the jet energy bunchy of outer shroud nozzle or the output of interior ring spray mouth disperse or atomization, it can make main flow physical efficiency adhere to, carry more time fluid, increases the specific functions such as dedusting, flash evaporation, rapid condensation thereby aobvious chopsticks shortens the long degree And of jet pump.
Described outer tube is positioned at anterior Taper Pipe section pipeline section and the described path inner tube rear portion outer wall afterwards that shrink and is all diminishing inverted cone, and described annular mixing tube is isometrical cross section or cross section, convergent footpath; The shaft axis of described outer shroud nozzle tilts to intersect to the axle center of this jet pump along the diminishing back taper annular of described annular mixing tube median plane together.The injection of the jet that this structure is conducive to the output of center mixing tube to annular mixing tube output jet, and annular mixing tube self goes out hitting mutually and mixing of stream.This more compact structure, is applicable to the shorter situation of annular mixing tube.
The outlet end of described annular mixing tube is slightly longer than the outlet end of described annular mixing chamber in the axial direction, described interior ring spray mouth forms by being the uniform oblique stria of conical ring, described outer shroud nozzle is made up of tilting uniform spray orifice, and described outer shroud nozzle and described interior ring spray mouth produce two oppositely oblique churning streams; Or in described outer shroud nozzle and described interior ring spray mouth and described secondary outer shroud nozzle, have at least two nozzles to produce oppositely tiltedly churning stream.
Utilize the effect that oppositely tiltedly raising blending is flowed in churning, can greatly shorten the length of inner tube, thereby greatly shorten the length of whole jet pump.
Jet pump tool of the present invention has the following advantages and beneficial effect: 1, and the main fluid of jet pump input of the present invention can volley same time fluid or two kinds of different inferior fluids, the fluid-mixing that then output is all pressed by inner and outer tubes.Main fluid can be gas, liquid or the gas-liquid mixed flow body of elevated pressures, and inferior fluid can be the lower or heterogeneous fluid-mixing such as stress-free gas, liquid or gas-liquid mist and flue dust of pressure.So with the comparison of existing single-tube injector technology, jet pump purposes of the present invention is more extensive.2, existing single mixing tube sparger, main fluid nozzle is located at mixing chamber central authorities, utilize the piston effect of main fluid to mixing tube jet, and main, the inferior fluid that friction viscous force between inferior fluid is entrainmented mixing chamber surrounding enters mixing tube jointly, this kind of sparger is especially when large latus rectum, the mixed efficiency of ginseng of its injection rate and mixing tube is lower, need to could produce the enough stream of breathing heavily by longer mixing tube fully mixes primary-to-secondary flow, after jet pump of the present invention mixes large latus rectum single tube to become the center mixing tube of less latus rectum and annular mixing tube and mix separately, being superimposed on total mixing output tube mixes again, single ejector is become to inside and outside two ejector parallel connections and be nested with the jet pump that total mixer-ejector of contacting again forms, this jet pump novel structure, uniqueness and mixing effect are good.This always to mix the jet pump of output tube as common output tube, can make injection rate and mixing efficiency greatly improve.Because cross section diameter and the ring footpath of inside and outside two mixing tubes are relatively little, the difference of their outlet mixed flow speed, pressure, blending degree, has increased mutual injection and secondary mixed function, efficiently solves the low problem of existing ejector induction efficiency.3, because inside and outside two the mixing tube latus rectums of jet pump of the present invention all can be less, can make inside and outside two mixing tube length weight and size significantly reduce, but induction efficiency and traffic ability increase.Due to inside and outside two mixing tubes go out the powerful collision of stream and mix in whirlpool, therefore to only depend on central jet free diffusing to reach the injection effect of attached wall suction far better for comparable existing single-tube injector, can significantly improve time fluid is compared by the amount of main fluid injection, can also comprehensively shorten the length of inside and outside two mixing tubes, especially it can improve its working efficiency and improve cost performance in reducing jet pump overall length and weight.4, jet pump Hai Keshi center mixing tube of the present invention and annular mixing tube produce opposite each other to mixed flow output, therefore can make to be mixed to get between primary and secondary fluid more even close, significantly improve the heat and mass speed of jet pump.5, jet pump of the present invention also can make second fluid carry out secondary injection to the mixing output stream of inside and outside two ejectors of prime by secondary outer shroud nozzle, this can greatly improve the suction capactity of jet pump, therefore be specially adapted to, with high-pressure liquid exhaust, general vapour, flue dust etc., do the use such as vacuum pump, steam condensing air water recovery pump, ejector refrigeration and dedusting.Advantage and the beneficial effects such as that jet pump of the present invention has is energy-efficient, material-saving and applied range.
Brief description of the drawings
Fig. 1 is jet pump embodiment's one of the present invention structural representation.
Fig. 2 be in Fig. 1 F-F to cross-sectional view.
Fig. 3 be in Fig. 1 G-G to structural representation.
Fig. 4 is jet pump embodiment's two of the present invention structural representation.
Fig. 5 be in Fig. 4 P-P to sectional structure schematic diagram.
Fig. 6 be in Fig. 5 A-A to sectional structure schematic diagram.
Fig. 7 be in Fig. 5 C to structural representation.
Fig. 8 be in Fig. 4 O-O to structural representation.
Embodiment
One, embodiment one
Jet pump embodiment's one of the present invention structure, referring to Fig. 1 and Fig. 2.This jet pump is made up of flow assembly 100, inner tube assembly 200 and the outer jacket member 300 of concentric, and flow assembly 100 and inner tube assembly 200 serial connections are connected, and outer jacket member cover 300 is loaded on outside flow assembly 100 and inner tube assembly 200.Flow assembly 100 center of top are established main fluid inlet pipe L1, establish time fluid inlet tube L2 and always mix output tube G3 on outer jacket member 300.
By being distributed on ring nozzle seat 8, point multiple spray orifices 10,20 of making inside and outside two circles form the outer shroud nozzle Z2 of the present embodiment, see Fig. 3.Each on inside and outside two circles was positioned at the same radial plane in this jet pump axle center to the axle center of outer ring spray orifice 10 and inner ring spray orifice 20 and crossed one another on annular mixing tube G2 meta anchor ring, this kind of axis be positioned at same radial plane and the paired spray orifice 10,20 that crosses one another hit mutually jet flow, be conducive to causing horizontal mixed flow in annular mixing tube G2 with Chong Full, this can shorten the mixed Hang Cheng And reinforced suction power of ginseng.According to principle of uniformity, outer shroud nozzle Z2 also can be designed to be two each spray orifices that enclose configuration on outer shroud nozzle carrier 8 and misplace and be distributed on different sagittal planes mutually on inside and outside circle, and mutually to intersection; Or the each spray orifice that is multi-turn configuration on outer shroud nozzle carrier 8 is positioned in pairs same sagittal plane on inside and outside circle and mutually to intersection.
When use, the main fluid of interior ring spray mouth Z1 is sprayed to center mixing tube G1, the suction of this burst of primary fluid jetstream enters blind top center cavity Q1 inferior fluid from the S2 of annular mixing chamber front portion together enters center mixing tube G1, mixes output center mixed flow afterwards in the mixing tube G1 of Bing center.The primary fluid jetstream of outer shroud nozzle Z2 enters the S2 of annular mixing chamber outlet and annular mixing tube G2 from the S2 of annular mixing chamber rear portion suction time fluid, and the annular mixed flow of output after mixing in annular mixing tube G2.Two strands of mutual injections of mixed flow enter band and shrink total mixing chamber S3 of cone mouth and always mix further mixing of output tube G3, homogeneous, all pressure output.
Two, embodiment two
Jet pump embodiment's two of the present invention structure, referring to Fig. 4.The present embodiment is a kind of secondary series winding jet pump, and it is made up of flow assembly 100 ', inner tube assembly 200 ' and outer jacket member 300 ' and the second level injection assembly 400 ' of concentric.Flow assembly 100 ' and inner tube assembly 200 ' serial connection are connected, and outer jacket member 300 ' is set in outside flow assembly 100 ' and inner tube assembly 200 '; Second level injection assembly 400 ' is set in outside the rear portion of outer jacket member 300 '.
Flow assembly 100 ' center of top is established main fluid inlet pipe L1 ', and the flow cover 4 ' with blind top center cavity Q1 ' is established at middle part; The inferior fluid through-hole CK1 ' of horizontal uniform multiple connections blind top center cavity Q1 ' on the perisporium of flow cover 4 ', also vertical uniform multiple main fluid through hole ZK1 ' on flow cover 4 ' perisporium, each main fluid through hole ZK1 ' and each the fluid through-hole CK1 ' isolation that crosses one another.。
The front end of inner tube assembly 200 ' is established hole enlargement annular and is circularized nozzle carrier 8 ', establishes outer shroud nozzle Z2 ' on ring nozzle seat 8 '.The rear portion of inner tube assembly 200 ' the path inner tube 21 ' being shrunk to that extends back forms center mixing tube G1 '.The flow cover 4 ' counterpart at inner tube assembly 200 ' front end hole enlargement ring and flow assembly 100 ' middle part is tightly connected, and forms flat annular chamber Q2 ' between the two; Gap between necking down inner chamber-center mixing chamber S1 ' front end of center cavity Q1 ' rear end, blind top and inner tube assembly 200 ' front end is interior ring spray mouth Z1 ', this interior ring spray mouth Z1 ' is annular taper gap continuous between circular cone or is uniform many straight troughs or skewed slot form on circular cone interrupted annular taper gap, the cone angle in this annular taper gap is less than 60 degree, and cone angle exports towards center mixing tube G1 '.Flat annular chamber Q2 ' is connected with main fluid inlet pipe L1 ' through main fluid through hole ZK1 ' forward, logical outer shroud nozzle Z2 ' entrance backward, inwardly logical interior ring spray mouth Z1 ' entrance.Interior ring spray mouth ZI ', blind top center cavity Q1 ' and center mixing tube G1 ' three concentric are ganged up.The front portion of center mixing tube G1 ' is provided with trunnion 48 ', and this trunnion 48 ' has the importing taper hole 50 ' in convergent footpath, and has the minimum latus rectum in the axial whole process of center mixing tube G1 '.
See Fig. 5, the outer shroud nozzle Z2 ' of the present embodiment is the annular groove 47-1 ' of U font by section on ring nozzle seat 8 ' lower end surface and is distributed on that multiple circular holes 47 ' in the annular groove 47-1 ' of U font form, and each circular hole 47 ' outlet is passed through mutually with the annular groove 47-1 ' of U font.Or, the structure of outer shroud nozzle Z2 ' as shown in Figure 6, on ring nozzle seat 8 ' lower end surface, establish the annular groove 47-2 ' that section is in the shape of the letter V, multiple circular holes 47 ' are distributed in the annular groove 47-2 ' of V font, and each circular hole 47 ' outlet is passed through mutually with the annular groove 47-2 ' of V font.
Outer jacket member 300 ' is made up of the concentric outerhose of anterior hole enlargement, rear portion undergauge.Outer jacket member 300 ' is set in outside flow assembly 100 ' and inner tube assembly 200 ', and the anterior hole enlargement pipeline section 15 ' top mouthful of outer jacket member 300 ' is sealed fixing by main fluid inlet pipe L1 ' periphery wall.Form outer ring cavity Q3 ' at blind top center cavity Q1 ' and the anterior periphery of center mixing tube G1 ', outer ring cavity Q3 ' perisporium is provided with time fluid inlet tube L2 ' and is communicated with blind top center cavity Q1 ' through time fluid through-hole CK1 '.Between the hole enlargement pipeline section 15 ' that outer jacket member 300 ' is anterior and contraction Taper Pipe section 17 ' thereof and flow cover 4G1 ', inner tube assembly 200 ' front portion, form the S2 ' of annular mixing chamber being connected with outer ring cavity Q3 '.Outer jacket member 300 ' is positioned at the anterior looping mixing tube G2 ' between rear portion undergauge pipeline section 24 ' afterwards of Taper Pipe section 17 ' and mixing tube rear portion, center path inner tube 21 ' that shrinks.24 ' and inner tube 21 ' path section outer wall of the rear portion undergauge pipeline section at annular mixing tube G2 ' place are all diminishing inverted cone, and the annular mixing tube G2 ' of formation is isometrical cross section or cross section, convergent footpath.The entrance of annular mixing tube G2 ' is provided with trunnion, and this trunnion has the importing taper hole in convergent footpath and has the minimum latus rectum in the axial whole process of annular mixing tube G2 '.Annular mixing tube G2 ' import is shunk Taper Pipe outlet with the S2 ' of annular mixing chamber and is smoothly communicated with.The outlet of outer shroud nozzle Z2 ' is the outlet of contraction Taper Pipe and the annular mixing tube G2 ' to the S2 ' of annular mixing chamber just.
For obtaining the effect of churning, the shaft axis of each circular hole 47 ' of the present embodiment outer-loop nozzle Z2 ' is oblique to the axle heart Pour of jet pump together along the diminishing back taper annular of annular mixing tube G2 ' median plane respectively.A kind of situation is that shown in Fig. 7 left side, the shaft axis of each circular hole 47-3 ' is mutually oblique and non-intersect with the shaft axis of jet pump.Another kind of situation is shown in Fig. 7 right side, and the shaft axis of each circular hole 47-4 ' and the shaft axis of jet pump intersect.
It is the total mixing chamber S3 ' with convergent footpath Taper Pipe section that outer jacket member 300 ' rear portion undergauge pipeline section 24 is longer than the pipeline section that inner tube assembly 200 ' goes out end in the axial direction, the outlet port of total mixing chamber S3 ' and the outer secondary injection assembly 400 ' of setting up of outer jacket member 300 ' rear portion undergauge pipeline section 24.Secondary injection assembly 400 ' is by front portion casing section 41 ', middle part undergauge pipeline section 43 ' and rear portion expansion pipeline section 45 ' the periphery pipe formation of serial connection with one heart greatly straight.
The casing section greatly straight 41 ' sealing of secondary injection assembly 400 ' is connected in outer jacket member 300 ' rear portion roughly around the outer wall of the undergauge pipeline section 24 ' corresponding with total mixing chamber S3 ', forms the second fluid peripheral compartment 42 ' sealing between the two.On casing section 41 ' sidewall, establish second fluid inlet duct 46 ' greatly straight, the gap between the contraction taper hole mouth of secondary injection assembly 400 ' undergauge pipeline section 43 ' and the cone mouth of total mixing chamber S3 ' outer pipe is secondary outer shroud nozzle Z3 '.The outlet of secondary outer shroud nozzle Z3 ' is intersected in and accelerates mixing chamber 40 ' with total mixing chamber S3 ' outlet.Second fluid peripheral compartment 42 ', secondary outer shroud nozzle Z3 ', acceleration mixing chamber 40 ' composition accelerate mixing section.Wherein, in expansion pipeline section 45 ', start the total mixing output tube G3 ' for the present embodiment from the total trunnion 44 ' of undergauge.
See the first half of Fig. 8, secondary outer shroud nozzle Z3 ' is in the interrupted circular cone gap of upper uniform many skewed slots 311 ' composition of outer jacket member 300 ' rear portion undergauge pipeline section 24 ' end circular cone 310 ', to obtain the effect of the churning contrary with outer shroud nozzle Z3 '.Or, the Lower Half of seeing Fig. 8, secondary outer shroud nozzle Z3 ' is the interrupted annular taper gap at upper many uniform straight trough 311-1 ' compositions of outer jacket member 300 ' rear portion undergauge pipeline section 24 ' end circular cone 310 '; Or secondary outer shroud nozzle Z3 ' is the interrupted annular taper gap at upper many uniform fine groove compositions of outer jacket member 300 ' rear portion undergauge pipeline section 24 end circular cone 310 '.To obtain the effect of spraying.Certainly, the simplest structure of secondary outer shroud nozzle Z3 ' is the continuous circular shape taper gap between contraction taper hole mouth and outer jacket member 300 ' undergauge pipeline section 24 ' the end circular cone 310 ' of secondary injection assembly 400 ' undergauge pipeline section 43 '.In above-mentioned various situations, the cone angle in annular taper gap is all less than 90 degree, and cone angle direction is towards total mixing output tube outlet end.
When work, the inferior fluid that the primary fluid jetstream suction of interior ring spray mouth Z1 ' ejection enters blind top center cavity Q1 ', sprays to center mixing tube G1 ' through center mixing chamber S1 ' jointly, output center mixed flow after mixing in the mixing tube G1 ' of Bing center; The inferior fluid that the primary fluid jetstream suction of outer shroud nozzle Z2 ' ejection enters the S2 ' of annular mixing chamber, sprays to annular mixing tube G2 ' jointly, and the annular mixed flow of output after mixing in annular mixing tube G2 '; Center mixed flow and the mutual injection of annular mixed flow enter total mixing chamber S3 ', and in the further pre-blending of total mixing chamber S3 ', the second fluid jet suction of secondary outer shroud nozzle Z3 ' ejection enters the pre-blending fluid of total mixing chamber S3 ', jointly spray to total mixing output tube G3 ', and total mix output tube G3 ' in mixing, homogeneous, all press to outer output.
When the present embodiment uses, on central main fluid inlet pipe L1 ' and large footpath sleeve pipe 41 ' sidewall second fluid inlet duct 46 ' can connect respectively separately have a pressure primary fluid source.As for exhaust, general vapour, dirt gas or cigarette etc., to cause negative pressure or/and extracting gases (as hot gas of high pressure water, high compressed steam, burning etc.) during as object, can Mining with three kinds by connection:
1) second fluid and main fluid are homology, this kind of usage benefit is can improve output to press, and improve pumpage: now the best Mining of externally connected pipe same pipe 55 ' is introduced, divide again and be with the arm of throttle valve 54 ' and the arm of band throttle valve 53 ' to access respectively central main fluid inlet pipe L1 ' and second fluid inlet duct 46 ', with the table 56 of access external circulation chamber Q3 ' ' surveyed suction negative pressure signal in conjunction with time fluid inlet tube L2 ' parameter objectives, adjust respectively partial node two throttle valve 53 ', 54 ', the operating mode that can optimize.
2) second fluid is homology with time fluid, the inferior fluid inlet tube (not shown in FIG. fluid branched pipe) that the fluid input pipe that also two branched pipes of an available inferior fluid supply tube are established on the sleeve pipe sidewall of large footpath, second fluid peripheral compartment as described in being communicated with respectively of the another kind of connection while use as the present embodiment is communicated with this annular mixing chamber's side position; Now increasing the secondary time fluid importing can be by the fluid-mixing injection again of total mixing chamber outlet, and this can increase the intake of time fluid, thereby improves jet pump main fluid to the induction efficiency of inferior fluid and strengthen mixing efficiency.
3) second fluid and not homology of original primary and secondary fluid, the mixed flow kind that this can expand jet pump of the present invention, expands the scope of its application.
Three, embodiment three
Jet pump embodiment three of the present invention is the improvement to the first two embodiment, and the present embodiment and the first two embodiment something in common repeat no more, and the difference after improvement is:
The runner of annular mixing tube is very short, and there is back taper annular meta face, the each round hole axial that forms outer shroud nozzle is obliquely installed along back taper ring surface and the jet pump center line at annular mixing tube runner center, forms the outer shroud eddy flow spray orifice 47-3 ' shown in left side in Fig. 7.Interior ring spray mouth is the interrupted annular taper gap with the uniform wide skewed slot 311 ' structure shown in the first half in Fig. 8.The eddy flow opposite direction that outer shroud nozzle and interior ring spray mouth produce, through very short annular mixing tube and central mixing pipe, easily keep its swirl strength, and in total mixing chamber, produce derotation each other to friction very soon and perturb, make the aggravation of primary and secondary fluid mix pressure transmission mass transfer, can improve the mixed efficiency of ginseng, shorten the length of jet pump.
Or in the present embodiment, the configuration and the structure that there is dispersive jet and make its atomization for outer shroud nozzle, interior ring spray mouth Mining, if interior ring spray mouth is the interrupted circular cone gap nozzle that uniform on circular cone many straight troughs or skewed slot or fine groove form, atomization of liquid spraying nozzle is in each spray orifice of ring nozzle seat, to establish eddy current or swirling flow atomizing core, or establishes the atomization of liquid such as spray orifice, the groove spraying nozzle etc. that can produce the mutual oblique of clashing into atomizing and can produce nozzle arrangement and the structure such as intersection shock, eddy flow and membranization of jet atomization.Filter also can be established in nozzle entrance front.Use the primary fluid jetstream injection time fluid of energy bunchy atomization, although this is directed at jet energy consumption and delivery pressure reduces, but it can make main flow physical efficiency adhere to, carry more times fluid, can make the contact between primary and secondary fluid from confluxing, just start to mix, and more even close, thereby aobvious chopsticks shortens jet pump length.
The above, be only preferred embodiment of the present invention, do not limit scope of the invention process with this, and the equivalence of doing according to technological scheme of the present invention and description changes and modifies, and all should belong to the scope that the present invention is contained.
Claims (10)
1. a jet pump, is characterized in that: it is made up of flow assembly, inner tube assembly and the outer jacket member of concentric, and flow assembly and inner tube assembly serial connection are connected, and outer jacket member is set in outside flow assembly and inner tube assembly;
This flow assembly center of top is established main fluid inlet pipe, and the flow cover with blind top center cavity is established at middle part; On the perisporium of this flow cover, the inferior fluid through-hole of the blind top of horizontal uniform connection center cavity, is vertically evenly equipped with main fluid through hole, the isolation that crosses one another of these two kinds of through holes;
The ring nozzle seat that hole enlargement ring forms is established in the upper end of this inner tube assembly, on this ring nozzle seat, establishes outer shroud nozzle; The extend back path inner tube that is shrunk to of this inner tube assembly forms center mixing tube; The flow cover end of this inner tube assembly upper end hole enlargement ring and this flow assembly, is tightly connected mouth to mouth, forms flat annular chamber between the two; This flat annular chamber upwards communicates with main fluid inlet pipe through main fluid through hole, logical outer shroud nozzle entrance downwards, inwardly logical interior ring nozzle entrance; This interior ring spray mouth be this blind top center cavity outlet ring conical surface with this inner tube assembly front end taper hole to the gap pressing from both sides, this interior ring spray mouth is annular taper gap continuous between circular cone or is uniform many straight troughs or skewed slot form on circular cone interrupted annular taper gap, the cone angle in this annular taper gap is less than 60 degree, and the cone angle in this annular taper gap exports towards center mixing tube;
This outer jacket member is made up of the concentric outerhose of anterior hole enlargement, rear portion undergauge; The hole enlargement pipeline section top of this outer tube front portion mouthful is fixed by this main fluid inlet pipe periphery wall sealing; Between the hole enlargement pipeline section of this outer tube front portion and contraction Taper Pipe section thereof and this flow cover, this inner tube assembly front portion, form annular mixing chamber, this annular mixing chamber's perisporium is provided with time fluid inlet tube; On flow cover and this flow cover perisporium, laterally uniform inferior fluid through-hole entrance is all positioned at annular mixing chamber, and annular mixing chamber is communicated with blind top center cavity;
Looping mixing tube between the mixing tube rear portion, pipeline section Yu Gai center of this outer tube after Taper Pipe section is shunk in front portion, annular mixing tube import is shunk the outlet of Taper Pipe section with annular mixing chamber and is smoothly communicated with; The entrance of this outer shroud nozzle is communicated with this main fluid inlet pipe through this flat annular chamber and this main fluid through hole; The outlet of this outer shroud nozzle is enclosed in annular mixing chamber bottom and just the contraction Taper Pipe of this annular mixing chamber is being exported and this annular mixing tube;
The pipeline section that this outer tube is longer than this path inner tube outlet end is in the axial direction total output tube that mixes; This total entrance that mixes output tube is established the total mixing chamber with convergent footpath Taper Pipe section; Total mixing tube that this total back segment that mixes output tube is straight length, or this total back segment that mixes output tube total mixing tube that is straight length and the diffuser pipe of hole enlargement gradually;
Center mixing tube outlet and annular mixing tube export and always mix output tube composition rear class jet mixer.
2. a kind of jet pump as claimed in claim 1, it is characterized in that: described outer shroud nozzle is the circular hole that lopping distributes, the outlet of these circular holes is positioned on the annular groove of ring nozzle seat exit end face, and the outlet of each circular hole is passed through mutually with this annular groove, the V-shaped or U-shaped of annular groove section.
3. a kind of jet pump as claimed in claim 1, is characterized in that: described outer shroud nozzle is the multiple circular holes that become two circles to distribute on described ring nozzle seat; On inner ring, the center line of each circular hole is distributed on different sagittal planes from center line or the dislocation of adjacent circular holes on outer ring, or is positioned in pairs on same sagittal plane mutually to intersection, and intersection point is positioned on the middle anchor ring of annular mixing tube.
4. a kind of jet pump as claimed in claim 1, it is characterized in that: described outer shroud nozzle is atomization of liquid spraying nozzle, this atomization of liquid spraying nozzle is in each spray orifice of ring nozzle seat, to establish eddy current or swirling flow atomizing core, or establishes spray orifice, the groove that can produce the mutual oblique of clashing into atomizing.
5. a kind of jet pump as claimed in claim 1, is characterized in that: the leading portion of described total mixing output tube is provided with acceleration mixing section, and this acceleration mixing section is made up of secondary outer shroud nozzle and the periphery pipe of described total mixing chamber outlet pipeline section and its periphery; The large casing section straight of this periphery pipe is fixed on around the outer wall of total mixing chamber outlet pipeline section, forms the second fluid peripheral compartment of sealing between the two; On the sidewall of casing section greatly straight of this periphery pipe, establish second fluid inlet duct, annular taper gap between contraction taper hole mouth and the cone mouth of described total mixing chamber outlet pipeline section of the large footpath of this periphery pipe straight connector is secondary outer shroud nozzle, and the cone angle in this annular taper gap is less than 90 degree and cone angle exports towards described total mixing output tube.
6. a kind of jet pump as claimed in claim 5, it is characterized in that: be communicated with respectively the main fluid inlet pipe that the second fluid inlet duct established on described second fluid peripheral compartment large footpath straight connector sidewall and flow assembly center of top are established with two branched pipes of a main fluid supply tube, on described two branched pipes, respectively establish a throttle valve, for regulating this jet pump running parameter.
7. a kind of jet pump as claimed in claim 5, is characterized in that: be communicated with respectively the inferior fluid inlet tube on second fluid inlet duct and this annular mixing chamber's perisporium of establishing on described second fluid peripheral compartment large footpath straight connector sidewall with two branched pipes of a time fluid supply tube.
8. a kind of jet pump as described in any one in claim 1-7, is characterized in that: described center mixing tube or described annular mixing tube are provided with trunnion; This trunnion has the importing taper hole in convergent footpath and has the minimum latus rectum in the axial whole process of place mixing tube.
9. a kind of jet pump as described in any one in claim 1-7, it is characterized in that: described outer tube is positioned at anterior Taper Pipe section pipeline section and the described path inner tube rear portion outer wall afterwards that shrink and is all diminishing inverted cone, and described annular mixing tube is isometrical cross section or cross section, convergent footpath; The shaft axis of described outer shroud nozzle tilts to intersect to the axle center of this jet pump along the diminishing back taper annular of described annular mixing tube median plane together.
10. a kind of jet pump as claimed in claim 1, it is characterized in that: the outlet end of described annular mixing tube is slightly longer than the outlet end of described annular mixing chamber in the axial direction, described interior ring spray mouth forms by being the uniform oblique stria of conical ring, described outer shroud nozzle is made up of tilting uniform spray orifice, and described outer shroud nozzle and described interior ring spray mouth produce two oppositely oblique churning streams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255511.4A CN102654145B (en) | 2011-08-31 | 2011-08-31 | Jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255511.4A CN102654145B (en) | 2011-08-31 | 2011-08-31 | Jet pump |
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| CN102654145A CN102654145A (en) | 2012-09-05 |
| CN102654145B true CN102654145B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110255511.4A Expired - Fee Related CN102654145B (en) | 2011-08-31 | 2011-08-31 | Jet pump |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954047B (en) * | 2011-08-31 | 2016-01-20 | 韩铁夫 | A kind of injection mixer |
| GB2509184A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Multi-stage vacuum ejector with moulded nozzle having integral valve elements |
| GB2509182A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage and booster |
| GB2509183A (en) | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with tripped diverging exit flow nozzle |
| JP6575013B2 (en) | 2012-12-21 | 2019-09-18 | ピアブ・アクチエボラグ | Vacuum ejector nozzle with elliptical divergent section |
| CN107511087A (en) * | 2014-09-12 | 2017-12-26 | 石狮梵源服饰有限公司 | A kind of blender |
| GB201418117D0 (en) | 2014-10-13 | 2014-11-26 | Xerex Ab | Handling device for foodstuff |
| CN104747507B (en) * | 2015-01-12 | 2017-02-22 | 启东市海信机械有限公司 | Water jetting air pumping device |
| CN110529438B (en) * | 2019-08-15 | 2020-10-30 | 贵州永红航空机械有限责任公司 | Air injection device |
| CN111960634A (en) * | 2020-08-07 | 2020-11-20 | 浙江绿治环保技术有限公司 | Jet pump steam-mud heating mixer for sludge continuous thermal hydrolysis pipeline |
| CN114382732B (en) * | 2020-10-21 | 2023-10-20 | 中国科学院理化技术研究所 | Low-temperature hydrogen ejector |
| CN113565804B (en) * | 2021-08-04 | 2023-03-14 | 中国石油天然气股份有限公司 | Wafer type annular space ejector |
| JP7125181B1 (en) * | 2022-01-17 | 2022-08-24 | 株式会社Okutec | Liquid mixing device |
| CN117140257B (en) * | 2023-10-30 | 2024-01-02 | 山西绿建住品科技有限公司 | Chamfering and edging machine for calcium silicate board |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191023938A (en) * | 1909-10-16 | 1911-06-21 | Koerting Ag | Improvements in Water-feed Injectors. |
| DE1904014C3 (en) * | 1969-01-28 | 1974-06-20 | Noll Maschinenfabrik Gmbh, 4950 Minden | Device for continuously combining beverage components in an adjustable proportion |
| JPS5341804A (en) * | 1976-09-27 | 1978-04-15 | Shibaura Eng Works Ltd | Jet pumps |
| RU2155280C1 (en) * | 1999-04-08 | 2000-08-27 | Фисенко Владимир Владимирович | Gas-liquid jet device |
| CN101655106A (en) * | 2009-06-26 | 2010-02-24 | 江苏大学 | Wall-attached vibrating jet type liquid-gas jet pump |
| CN102039228B (en) * | 2009-10-16 | 2014-11-26 | 韩铁夫 | Rotary annular-seam spray nozzle and spraying device thereof |
-
2011
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