CN103846172B - The two medium atomization nozzles of exterior mixing - Google Patents

The two medium atomization nozzles of exterior mixing Download PDF

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Publication number
CN103846172B
CN103846172B CN201210496973.XA CN201210496973A CN103846172B CN 103846172 B CN103846172 B CN 103846172B CN 201210496973 A CN201210496973 A CN 201210496973A CN 103846172 B CN103846172 B CN 103846172B
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China
Prior art keywords
flow guiding
feed liquid
liquid pipe
eddy current
tangential
Prior art date
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Active
Application number
CN201210496973.XA
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Chinese (zh)
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CN103846172A (en
Inventor
周健
潘瑞勇
牛序策
宋世川
董志刚
刘岷
周兆庄
潘洪军
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QINGDAO CIGARETTE FACTORY OF CHINA TOBACCO SHANDONG INDUSTRIAL Co Ltd
Original Assignee
QINGDAO CIGARETTE FACTORY OF CHINA TOBACCO SHANDONG INDUSTRIAL Co Ltd
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Priority to CN201210496973.XA priority Critical patent/CN103846172B/en
Publication of CN103846172A publication Critical patent/CN103846172A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3415Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with swirl imparting inserts upstream of the swirl chamber
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/10Roasting or cooling tobacco
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/06Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/08Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets

Abstract

The invention discloses the two medium atomization nozzles of exterior mixing, comprising: feed liquid pipe, eddy current flow guiding disc and tangential flow guiding device, feed liquid pipe has the liquid chamber of perforation, and one end of feed liquid pipe is ejection end, and the other end is liquid inlet; Eddy current flow guiding disc is arranged on the liquid inlet of feed liquid pipe, on eddy current flow guiding disc, offers inlet opening; Tangential flow guiding device is set in outside feed liquid pipe, tangential flow guiding device comprises the intake section near the connecting portion of liquid inlet and close ejection end, the internal diameter of connecting portion is less than the internal diameter of intake section, the outer wall of the inwall of connecting portion and feed liquid pipe fits tightly, between the outer wall of the inwall of intake section and feed liquid pipe, form the first gas chamber, on the outer wall of intake section, offer supplied gas medium and enter the guiding gutter of the first gas chamber. Relative velocity when the two medium atomization nozzles of exterior mixing of the present invention can improve liquid and gas medium ejection, thus atomizing pressure can effectively be reduced, to ensure the degree of feed liquid atomization, improve the absorption of tobacco to feed liquid.

Description

The two medium atomization nozzles of exterior mixing
Technical field
The present invention relates to a kind of nozzle, particularly one is utilized high speed medium (steam or air)Fluid friction is made to the two medium atomization nozzles of exterior mixing of its atomization.
Background technology
Nozzle can be divided into mechanical atomization formula nozzle and two medium atomization by architectural feature and atomization methodFormula nozzle. Mechanical atomization formula nozzle is to utilize the pressure of liquid itself by spray liquid or atomization;Two medium atomization formula nozzles utilize the friction of medium (steam or air) Yu the liquid of high velocity jetAnd atomized liquid.
In tobacco cutting process, need the liquid with viscosity by the sugar material, the spices etc. that configure,Utilize compressed air or the steam of high pressure to carry out atomization, be applied in corresponding tobacco leaf and pipe tobacco,Tobacco feeding can improve aesthetic quality and the physical characteristic of tobacco leaf, and tobacco perfuming can make cigarette perfume (or spice) obtainSupplement, set off or improve. Nozzle is that tobacco cutting is reinforced, the weight of the feed liquid atomization of perfuming processWant parts, the performance of nozzle directly determines size, the feed liquid stream of the liquid-drop diameter of feed liquid atomizationThe fluctuation of amount, thus effect reinforced, perfuming determined. At present, reinforced, the perfuming of tobacco cuttingProcess is widely used the two medium atomization nozzles of exterior mixing and feed liquid is carried out to atomization, existing exterior mixingThe liquid of two medium atomization nozzles directly sprays after liquid chamber, and gas is directly through gas chamberRear ejection, therefore needs to use larger gas (or steam) atomizing pressure to the material with viscosityLiquid carries out atomization, thereby causes the waste of the energy, is not easy to control the atomizing effect of feed liquid simultaneously,Cause liquid material to discharge atomization region with humidity discharging system, affect the absorption of tobacco to feed liquid.
Summary of the invention
In view of the above-mentioned problems in the prior art, technical problem to be solved by this invention isProvide a kind of exterior mixing two medium atomization nozzles, the relative velocity while improving liquid and gas ejection,Effectively reduce atomizing pressure, save the energy and improve atomizing effect, improve tobacco to feed liquidAbsorption.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme: exterior mixing is twoMedium atomization nozzle, comprising:
Feed liquid pipe, described feed liquid pipe has the liquid chamber of perforation along its length, described inOne end of feed liquid pipe is ejection end, and the other end is liquid inlet;
Eddy current flow guiding disc, described eddy current flow guiding disc be arranged on described feed liquid pipe described liquid inlet andBe fixedly connected with described feed liquid pipe, on described eddy current flow guiding disc, offer for entering for liquid instituteState liquid chamber and in described liquid chamber, form the inlet opening of eddy current;
Tangential flow guiding device, described tangential flow guiding device is set in outside described feed liquid pipe, describedly tangentially leadsStream device comprises near the connecting portion of liquid inlet and the intake section of close ejection end, described connecting portionInternal diameter is less than the internal diameter of described intake section, the outer wall of the inwall of described connecting portion and described feed liquid pipeFit tightly, between the inwall of described intake section and the outer wall of described feed liquid pipe, form the first gasChamber, offers supplied gas medium and enters leading of the first gas chamber on the outer wall of described intake sectionChute.
As preferably, be set fixing company of the center of circle with described eddy current flow guiding disc in described liquid chamberThe mandrel connecing, the rounded distribution on described eddy current flow guiding disc of multiple described inlet openings.
As preferably, the multiple inlet openings on described eddy current flow guiding disc are and make liquid enteringState the inclined hole that forms eddy current after liquid chamber, the axis of described inclined hole and described eddy current flow guiding discCard angle equates, and respectively perpendicular to a diameter of described eddy current flow guiding disc.
As preferably, described mandrel comprises the multistage that external diameter does not wait.
As preferably, described feed liquid pipe comprises cylindrical section and contraction from one end of described cylindrical sectionForm conical section, the other end of described cylindrical section is described liquid inlet, described conical section fromBe described ejection end by end;
Described tangential flow guiding device is set on described cylindrical section, and the end of described intake section and instituteThe junction of stating cylindrical section and conical section is concordant.
The two medium atomization nozzles of exterior mixing of the present invention also comprise tangential admission cover, describedly tangentially enterOne end shield of air-casing is established described conical section, between described tangential admission cover and described conical section, formsThe passage of gas communication, offers and described liquid chamber phase on one end of described tangential admission coverThe jet being communicated with;
The other end of described tangential admission cover is closely set on described connecting portion, described connecting portionExternal diameter be greater than the external diameter of described intake section, shape between described connecting portion and described tangential admission coverBecome the second gas chamber;
Described tangential admission puts and offers the connecting hole being communicated with described the second gas chamber, instituteStating the gas phase being connected with for pass into gas medium in described the second gas chamber on connecting hole connectsJoint.
As preferably, the described passage between described tangential admission cover and described conical section transversalFace is annulus, and the internal diameter of described annulus and external diameter are all decreased to circle described in described ejection end graduallyInternal diameter and the external diameter minimum of ring.
As preferably, described guiding gutter is for making gas medium form the air whirl of ring-typeThe guiding gutter tilting, the fluid vortex in the direction of rotation of described air whirl and described feed liquid pipeDirection of rotation contrary.
As preferably, on the connecting portion of described tangential flow guiding device, be provided with when described tangential flow guiding deviceWhen mobile to described tangential admission cover and the annular protrusion that leans of described tangential admission cover, described inOn the outer wall of the described connecting portion of annular protrusion both sides, all offer external screw thread, described tangential admissionCover inwall on offer the internal thread corresponding with described external screw thread, described tangential flow guiding device withDescribed tangential admission cover is threaded connection.
The two medium atomization nozzles of exterior mixing of the present invention also comprise the shell being set in outside described feed liquid pipeBody, one end of described housing is connected by locking nut with described feed liquid pipe, described housing anotherOne end offers the internal thread corresponding with the external screw thread of described tangential flow guiding device, described housingThe other end and described tangential flow guiding device are threaded connection, and described housing and described tangential admissionCover lays respectively at the both sides of described annular protrusion, is arranged with for described in supporting on described connecting portionFirst setscrew nut of housing one end;
Described tangential flow guiding device also comprises the adjusting portion being connected with described connecting portion, described adjusting portionAnd the adjusting nut being set on described feed liquid pipe, described adjusting spiral shell are set between described feed liquid pipeMother has external screw thread, on the inwall of described adjusting portion, offers internal thread, described adjusting portion and instituteState adjusting nut and be threaded connection, on described adjusting nut, be provided with for keeping out described adjustingSecond setscrew nut of portion one end.
Compared with prior art, the beneficial effect of the two medium atomization nozzles of exterior mixing of the present invention existsIn: the two medium atomization nozzles of exterior mixing of the present invention can improve liquid and gas medium (or steamsVapour) relative velocity in when ejection, thus can effectively reduce atomizing pressure, to ensure feed liquid atomizationDegree, improve the absorption of tobacco to feed liquid.
Brief description of the drawings
Fig. 1 is that the structure of the two medium atomization nozzles of exterior mixing of the present invention is cutd open figure;
Fig. 2 is the eddy current flow guiding disc of the two medium atomization nozzles of exterior mixing of the present invention and the office of mandrelPortion's structural representation;
Fig. 3 is the structural representation of the eddy current flow guiding disc of the two medium atomization nozzles of exterior mixing of the present inventionFigure;
Fig. 4 is that the A-A of Fig. 3 is to cuing open figure;
Fig. 5 is the structural representation of the tangential flow guiding device of the two medium atomization nozzles of exterior mixing of the present inventionFigure;
Fig. 6 is the cutaway view of the tangential flow guiding device of the two medium atomization nozzles of exterior mixing of the present invention.
Description of reference numerals
1-feed liquid pipe 2-eddy current flow guiding disc
3-tangential flow guiding device 4-liquid chamber
5-inlet opening 6-connecting portion
7-intake section 8-the first gas chamber
9-guiding gutter 10-mandrel
11-tangential admission cover 12-passage
13-jet 14-the second gas chamber
15-gas phase connector 16-annular protrusion
17-housing 18-locking nut
19-the first setscrew nut 20-adjusting portion
21-adjusting nut 22-the second setscrew nut
23-locking end cap 24-through hole
25-sealing ring
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but does not doFor limitation of the invention.
As shown in Figures 1 to 6, the two medium atomization nozzles of the exterior mixing of embodiments of the invention,Comprise: feed liquid pipe 1, eddy current flow guiding disc 2 and tangential flow guiding device 3, feed liquid pipe 1 has along it longThe liquid chamber 4 of the perforation of degree direction, one end of feed liquid pipe 1 is ejection end (not indicating in figure),The other end is liquid inlet (not indicating in figure); Eddy current flow guiding disc 2 is arranged on the liquid that enters of feed liquid pipe 1Hold and be fixedly connected with feed liquid pipe 1, on eddy current flow guiding disc 2, offering for entering for liquid liquidFluid chamber 4 at multiple inlet openings 5 of the interior formation eddy current of liquid chamber 4; Tangential flow guiding device 3 overlapsBe located at outside feed liquid pipe 1, tangential flow guiding device 3 comprises near the connecting portion 6 of described liquid inlet and leans onThe intake section 7 of nearly described ejection end, the internal diameter of connecting portion 6 is less than the internal diameter of intake section 7, connectsThe outer wall of the inwall of portion 6 and feed liquid pipe 1 fits tightly, and connecting portion 6 and feed liquid pipe 1 itBetween be provided with the sealing ring 25 of hermetic seal effect. The outer wall of the inwall of intake section 7 and feed liquid pipe 1Between form the first gas chamber 8, on the outer wall of intake section 7, offer supplied gas medium and enterThe guiding gutter 9 of one gas chamber 8, the quantity of guiding gutter 9 can arrange as required, this enforcementGuiding gutter 9 in example is four, and four guiding gutters are distributed on the outer wall of intake section 7, and oneHead straight for the one end that passes to intake section 7.
As a kind of preferred version of the present embodiment, as shown in Figures 2 to 4, for liquid is existedEnter the rear formation eddy current of liquid chamber 4, the multiple inlet openings 5 on eddy current flow guiding disc 2 are tiltedlyHole, the axis of described inclined hole is identical with the card angle of eddy current flow guiding disc 2, and vertical respectivelyIn a diameter of eddy current flow guiding disc 2, be also that the axis of described inclined hole is at eddy current flow guiding disc 2Card on projection parallel with the direction of a wherein tangent line of eddy current flow guiding disc 2.
As the another kind of preferred version of the present embodiment, in order to make the injection of liquid at feed liquid pipe 1End is ejection at a high speed, and feed liquid pipe 1 comprises cylindrical section (not indicating in figure) and from described cylindrical sectionOne end is risen and is shunk the conical section (in figure do not indicate) forming, described in the other end of described cylindrical section isLiquid inlet, the free end of described conical section is described ejection end. Tangential flow guiding device 3 is set in instituteState on cylindrical section, and the end of intake section 7 is concordant with the junction of described cylindrical section and conical section(specifically referring to Fig. 1).
As the present embodiment further preferably, the interior setting of liquid chamber 4 and eddy current flow guiding disc 2The mandrel 10 that is fixedly connected with of the center of circle, multiple inlet openings 5 on eddy current flow guiding disc 2 rounded pointCloth. The quantity of inlet opening 5 arranges according to actual needs, as 3~6, shown in the present embodimentThe quantity of inlet opening 5 be 4. For the convenience of processing, the liquid chamber 4 of feed liquid pipe 1Generally larger, cause liquid to reduce at the flow velocity of liquid chamber 4, in order to reduce liquid chamber 4Volume, and at the interior mandrel 10 that arranges of liquid chamber 4, as shown in Figure 1, outside mandrel 10 comprisesThe multistage that does not wait in footpath. Mandrel 10 increases gradually from external diameter near a side of eddy current flow guiding disc 2,To increase the flow velocity of liquid, but in order to match with the described conical section of feed liquid pipe 1, mandrel10 dwindle gradually entering external diameter after described conical section, as shown in Figure 1, are positioned at described taperMandrel 10 in section is roughly a taper.
Continue in conjunction with Fig. 1, the two medium atomization nozzles of exterior mixing of the present invention also comprise tangential admission cover11, an end shield of tangential admission cover 11 is established described conical section, tangential admission cover 11 and described coneBetween shape section, form the passage 12 of gas communication, on one end of tangential admission cover 11, offer and liquidThe jet 13 that fluid chamber 4 is connected. The other end of tangential admission cover 11 is closely set in connectionIn portion 6, the external diameter of connecting portion 6 is greater than the external diameter of intake section 7, connecting portion 6 and tangential admissionBetween cover 11, form the second gas chamber 14. On tangential admission cover 11, offer and the second gasThe connecting hole (not shown) that chamber 14 is communicated with, is connected with on described connecting hole for toIn two gas chamber 14, pass into the gas phase connector 15 of gas medium. Entered by gas phase connector 15First the gas coming enter the second gas chamber 14, then enters the first air chamber through guiding gutter 9Chamber 14.
As the further preferred version of the present embodiment, guiding gutter 9 is for making gas medium shapeThe guiding gutter of the inclination of air whirl circlewise, the direction of rotation of air whirl and feed liquid pipe 1The direction of rotation of interior fluid vortex is contrary. In addition, in order to accelerate the jet velocity of gas, cutCross section to the passage between air inlet cover 11 and described conical section is annulus, and the internal diameter of annulusAll reduce gradually with external diameter, to cause internal diameter and the external diameter minimum of ejection end annulus. " leading of inclinationChute " implication refer to, the plane at the wall place of guiding gutter, with respect to intake section 7 outsideThe tangent plane on surface, having one is not the angle of 90 degree.
As another preferred version of the present embodiment, as shown in Figure 6, tangential flow guiding device 3On connecting portion 6, be provided with in the time that tangential flow guiding device 3 moves to tangential admission cover 11 and tangential admissionCover 11 annular protrusions that lean 16, equal on the outer wall of the connecting portion 6 of annular protrusion 16 both sidesOffer external screw thread, on the inwall of tangential admission cover 11, offer the interior spiral shell corresponding with external screw threadLine, tangential flow guiding device 3 is threaded connection with tangential admission cover 11.
As the further preferred version of the present embodiment, as shown in Figure 1, exterior mixing of the present inventionTwo medium atomization nozzles also comprise the housing 17 being set in outside feed liquid pipe 1, one end of housing 17 withFeed liquid pipe 1 connects by locking nut 18, and the other end of housing 17 offers and tangential flow guidingThe corresponding internal thread of external screw thread of device 3, the other end of housing 17 and tangential flow guiding device 3 pass throughBe threaded, and housing 17 and tangential admission cover 11 lay respectively at the both sides of annular protrusion 16,On connecting portion 6, be arranged with the first setscrew nut 19 for supporting housing 17 one end. Continue combinationFig. 1, tangential flow guiding device 3 also comprises the adjusting portion 20 being connected with connecting portion 6, adjusting portion 20 withThe adjusting nut 21 being set on feed liquid pipe 1 is set between feed liquid pipe 1, and adjusting nut 21 hasExternal screw thread, offers internal thread on the inwall of adjusting portion 20, adjusting portion 20 and adjusting nut 21Be threaded connection, on adjusting nut 21, be provided with for keeping out second of adjusting portion 20 one endSetscrew nut 22.
Below in conjunction with accompanying drawing, the operation principle of the two medium atomization nozzles of exterior mixing of the present invention is enteredRow brief description:
As shown in Figure 1, the liquid inlet of feed liquid pipe 1 is connected with locking end cap 23, locking end cap 23The through hole 24 with perforation, liquid via through holes 24 enters inlet opening 5, is then entered by inlet opening 5Enter liquid chamber 4, and at the interior fluid vortex that forms ring-type at a high speed of liquid chamber 4, at a high speedFluid vortex flows to ejection end from the liquid inlet of feed liquid pipe 1, and sprays from jet 13. WithTime gas in gas phase connector 15 enters into the second gas chamber 14, and through tilt water conservancy diversionThe rear air whirl that forms ring-type at a high speed of groove 9, the direction of rotation of air whirl and fluid vortexDirection of rotation contrary.
In addition, can be real by the first setscrew nut 19, the second setscrew nut 22 and adjusting nutThe position of existing tangential flow guiding device 3 on feed liquid pipe 1 is adjustable, when tangential flow guiding device 3 is to jetWhen 13 direction regulates, the volume of the first gas chamber 8 and the second gas chamber 14 diminishes, and makesThe speed of gas is accelerated, and is convenient to the atomization of liquid, and the particle making the liquid atomization is less, ifFogging degree is less demanding, can regulate tangential flow guiding device 3 to the direction of eddy current flow guiding disc 2, withMake the volume of the first gas chamber 8 and the second gas chamber 14 become large, the going out of corresponding increase gasMaterial speed.
Air whirl at a high speed enter into the first gas chamber 8 and through passage 12 then from jet13 ejections. Enter with fluid vortex at a high speed from the air whirl of the high speed that ejects in jet 13Row friction produces atomization. The two medium atomization nozzles of exterior mixing of the present invention are especially applicable to viscosityLiquid.
Above embodiment is only exemplary embodiment of the present invention, is not used in restriction the present invention, thisThe protection domain of invention is defined by the claims. Those skilled in the art can be of the present inventionIn essence and protection domain, the present invention is made various amendments or is equal to replacement, this amendment orBeing equal to replacement also should be considered as dropping in protection scope of the present invention.

Claims (10)

1. the two medium atomization nozzles of exterior mixing, is characterized in that, comprising:
Feed liquid pipe, described feed liquid pipe has the liquid chamber of perforation along its length, described inOne end of feed liquid pipe is ejection end, and the other end is liquid inlet;
Eddy current flow guiding disc, described eddy current flow guiding disc be arranged on described feed liquid pipe described liquid inlet andBe fixedly connected with described feed liquid pipe, on described eddy current flow guiding disc, offer for entering for liquid instituteState liquid chamber and in described liquid chamber, form the inlet opening of eddy current;
Tangential flow guiding device, described tangential flow guiding device is set in outside described feed liquid pipe, describedly tangentially leadsStream device comprises near the connecting portion of liquid inlet and the intake section of close ejection end, described connecting portionInternal diameter is less than the internal diameter of described intake section, the outer wall of the inwall of described connecting portion and described feed liquid pipeFit tightly, between the inwall of described intake section and the outer wall of described feed liquid pipe, form the first gasChamber, offers supplied gas medium and enters the many of the first gas chamber on the outer wall of described intake sectionIndividual guiding gutter, multiple described guiding gutters are distributed on the outer wall of described intake section.
2. the two medium atomization nozzles of exterior mixing according to claim 1, is characterized in that,The mandrel being fixedly connected with the center of circle of described eddy current flow guiding disc is set in described liquid chamber, multipleThe rounded distribution on described eddy current flow guiding disc of described inlet opening.
3. the two medium atomization nozzles of exterior mixing according to claim 2, is characterized in that,Multiple described inlet opening on described eddy current flow guiding disc is and makes liquid enter described liquid chamberThe inclined hole of rear formation eddy current, the card angle phase of the axis of described inclined hole and described eddy current flow guiding discDeng, and respectively perpendicular to a diameter of described eddy current flow guiding disc.
4. the two medium atomization nozzles of exterior mixing according to claim 3, is characterized in that,Described mandrel comprises the multistage that external diameter does not wait.
5. the two medium atomization nozzles of exterior mixing according to claim 1, is characterized in that,The conical section that described feed liquid pipe comprises cylindrical section and contraction forms from one end of described cylindrical section,The other end of described cylindrical section is described liquid inlet, and the free end of described conical section is described injectionEnd;
Described tangential flow guiding device is set on described cylindrical section, and the end of described intake section and instituteThe junction of stating cylindrical section and conical section is concordant.
6. the two medium atomization nozzles of exterior mixing according to claim 5, is characterized in that,Also comprise tangential admission cover, an end shield of described tangential admission cover is established described conical section, described in cutTo the passage that forms gas communication between air inlet cover and described conical section, described tangential admission coverOn one end, offer the jet being connected with described liquid chamber;
The other end of described tangential admission cover is closely set on described connecting portion, described connecting portionExternal diameter be greater than the external diameter of described intake section, shape between described connecting portion and described tangential admission coverBecome the second gas chamber;
Described tangential admission puts and offers the connecting hole being communicated with described the second gas chamber, instituteStating the gas phase being connected with for pass into gas medium in described the second gas chamber on connecting hole connectsJoint.
7. the two medium atomization nozzles of exterior mixing according to claim 6, is characterized in that,The cross section of the described passage between described tangential admission cover and described conical section is annulus, and instituteState internal diameter and external diameter that the internal diameter of annulus and external diameter are all decreased to annulus described in described ejection end graduallyMinimum.
8. the two medium atomization nozzles of exterior mixing according to claim 1, is characterized in that,Described guiding gutter is the guiding gutter of the inclination of the air whirl for making gas medium formation ring-type,The direction of rotation phase of the fluid vortex in the direction of rotation of described air whirl and described feed liquid pipeInstead.
9. the two medium atomization nozzles of exterior mixing according to claim 7, is characterized in that,On the connecting portion of described tangential flow guiding device, be provided with when described tangential flow guiding device is to described tangential admissionWhen cover is mobile and the annular protrusion that leans of described tangential admission cover, described annular protrusion both sidesOn the outer wall of described connecting portion, all offer external screw thread, on the inwall of described tangential admission cover, offerThere is the internal thread corresponding with described external screw thread, described tangential flow guiding device and described tangential admission coverBe threaded connection.
10. the two medium atomization nozzles of exterior mixing according to claim 9, is characterized in that,Also comprise the housing being set in outside described feed liquid pipe, one end of described housing and described feed liquid pipe are logicalCross locking nut and connect, the other end of described housing offers the outer spiral shell with described tangential flow guiding deviceThe internal thread that line is corresponding, the other end of described housing and described tangential flow guiding device connect by screw threadConnect, and described housing and described tangential admission cover lay respectively at the both sides of described annular protrusion, instituteState and on connecting portion, be arranged with the first setscrew nut for supporting described housing one end;
Described tangential flow guiding device also comprises the adjusting portion being connected with described connecting portion, described adjusting portionAnd the adjusting nut being set on described feed liquid pipe, described adjusting spiral shell are set between described feed liquid pipeMother has external screw thread, on the inwall of described adjusting portion, offers internal thread, described adjusting portion and instituteState adjusting nut and be threaded connection, on described adjusting nut, be provided with for keeping out described adjustingSecond setscrew nut of portion one end.
CN201210496973.XA 2012-11-28 2012-11-28 The two medium atomization nozzles of exterior mixing Active CN103846172B (en)

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CN104382216B (en) * 2014-11-10 2016-07-27 山东中烟工业有限责任公司 A kind of double; two linear flavoring system of vapor tight tank constant voltage and control method
CN104772243B (en) * 2015-04-22 2015-12-02 中蓝能源(深圳)有限公司 Solid-liquid two-phase working substance pressure atomized fog jet
CN105413579B (en) * 2015-11-18 2018-03-13 安徽省华腾农业科技有限公司 A kind of comminutor injector head
CN105750111B (en) * 2016-05-12 2017-05-10 李依真 Spray drying device
KR101762880B1 (en) * 2017-02-15 2017-07-28 장래상 Flow duel nozzle
CN110237953B (en) * 2019-07-04 2021-01-15 华东交通大学 Environment-friendly atomizing device
CN110918284A (en) * 2019-12-11 2020-03-27 江苏徐工工程机械研究院有限公司 Medium atomizing nozzle, spraying device and spraying machine
CN113368516A (en) * 2021-06-04 2021-09-10 江西斯米克陶瓷有限公司 Injection apparatus for ceramic tile spray drying

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