CN101318165B - Self-driving rotary dispensing device - Google Patents
Self-driving rotary dispensing device Download PDFInfo
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- CN101318165B CN101318165B CN2008100714326A CN200810071432A CN101318165B CN 101318165 B CN101318165 B CN 101318165B CN 2008100714326 A CN2008100714326 A CN 2008100714326A CN 200810071432 A CN200810071432 A CN 200810071432A CN 101318165 B CN101318165 B CN 101318165B
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Abstract
The invention discloses a self-driving rotational flusher, comprising a base and a nozzle body; the inlet of the base is connected with an outside fluid delivery pipe; a fluid flow passage is arranged in the nozzle body; at least one nozzle and/or muzzle are/is arranged on the outlet end of the fluid flow passage; the inlet end thereof is rotatably connected with the base through connecting pieces and is communicated with a base cavity; the device is also provided with a driving mechanism; the driving mechanism at least comprises a driven impeller; the driven impeller is arranged in a fluid cavity with pressure between the base and the nozzle body; the driving mechanism and the nozzle body rotate as a whole. The invention can also arrange an eccentric muzzle that can produce eccentric torque on the nozzle body; the jetting pushing function and the superposition driven by the driven impeller can speed up the rotating of the nozzle body; the nozzle body drives the nozzle, the muzzle or a spray rod which is arranged on the nozzle body to rotate, thus achieving good spraying and jetting effects. The self-driving rotational flusher can use water, oil or other liquid as well as gas/liquid fluids or multi-phase fluids.
Description
Technical field
The present invention relates to a kind of flusher; Especially refer to a kind of from driving rotary atomization device; Be mainly used in fire-fighting domain, especially relate to the rotary atomizing head or the rotary atomization device that use in the automatic fire extinguishing system, also can be used for other rotary-jets such as spray for dust suppression, spray-drying, spraying sprinkling irrigation.
Background technology
Shower nozzle is used for the terminal eruption of automatic fire extinguishing system pipeline extinguishing chemical, also can be used for spray for dust suppression, spray-drying, spraying sprinkling irrigation or the like.Waterfog head that system passes or foam nozzle or fine mist spray head are stationary nozzles, owing to receive its sprinkling of structural limitations irregular, exist in the protection zone and spray the dead angle.Solution is that rotation is sprayed, and this need use rotary nozzle, and the rotary power of traditional rotary nozzle is to lean on motor-driven, but motor driven systems complex structure, volume greatly also need supply power, and is not suitable for very much fire-fighting sprinkler and uses.Application number is that 200520091525.7 Chinese utility model patent has been announced and a kind ofly divided the big flow shower nozzle of impeller with the water slug rotation, and it belongs to the rotation of traditional splash box, and is helpful to solving even sprinkling problem; But because current are that open spattering makes its rotation on blade; Therefore rotate slowly, be difficult to accomplish the rapid and uniform sprinkling, and it rotates, and centrifugal momentum is little, the extinguishing chemical momentum is limited; In addition, spraying drop can not nebulize.Application number is the Chinese invention patent application case of 200510034232.X, discloses a kind of fire gun with fan blade shape R-joining, and its injection torque is little, rotates slowly, and is limited to the jeting effect that increases area, and the drop that ejects can not mist formation.
Quick local fire extinguishing need directly be sprayed onto water catches fire thing everywhere, so the uniformity of spray water is very important.Rotation is sprayed waterfog head; Especially even more important to the mesolow fine mist spray head; Because the spraying droplet of fixed mesolow spray fine mist spray head is little, momentum is little, spray is not far; This petty action amount spraying is difficult to get into flame depths, influence fire extinguishing effect, the popularization of this serious overslaugh Medium and Low Pressure Water Mist Fire Extinguishing.
Summary of the invention
The technical problem that institute of the present invention desire solves is to provide a kind of rotary atomization device of driving certainly that utilizes the hydro powered mode to do the spinning spraying, makes the even spraying that it can rapid large-area under mesolow.
For reaching above-mentioned technical problem, technical solution of the present invention is:
A kind of from driving rotary atomization device, comprise pedestal and sprayer body; Be provided with a chamber in the pedestal, seat chamber inlet connects outside pipe conveying fluid; Be provided with the fluid passage in the sprayer body, the fluid passage output is provided with at least one spray nozzle or/and fog-spray nozzle; This sprayer body is a rotor block, and sprayer body and its spray nozzle that is provided be or/and fog-spray nozzle rotary balance body greatly most, and the fluid passage input of sprayer body is rotationally connected with pedestal through coupling assembling and communicate with the seat chamber; Said rotary atomization device also is provided with the driving mechanism that produces the moment of torsion that drives the sprayer body rotation with the mobile thrust of fluid; This driving mechanism is for comprise a kind of driving mechanism that is hit the formula impeller at least; Being hit the formula impeller is arranged in the fluid chamber with pressure between pedestal and the sprayer body driving mechanism and sprayer body unitary rotation.
Described driving mechanism also comprises at least two eccentric spray nozzles that are arranged at the sprayer body periphery; Sprayer body shape and the spray nozzle that is provided with on it or fog-spray nozzle shape are roughly around the space of sprayer body axis rotation symmetric figure with distributing; And projection and the sprayer body axle center of the jet flow center line of eccentric spray nozzle in the vertical plane of sprayer body axis has eccentric throw, and the direction of rotation of the jet direction of eccentric spray nozzle and impeller propelled sprayer body.
Said is to have to accept the bucket shape blade that eddy flow impacts or the impeller of plate vane by the formula impeller of hitting; Corresponding with it in the seat chamber of impeller periphery a fixing circle eddy flow spout, impeller be fixed on the input of sprayer body or be fixed on coupling assembling that sprayer body is fixedly connected on.
Said is axial-flow type or the semiaxis streaming slurry shape impeller that has dihedral vane by the formula impeller of hitting, impeller be fixed on the input of sprayer body or be fixed on coupling assembling that sprayer body is fixedly connected on.
Described coupling assembling is rolling bearing, steel ball assembly or rotational slide bearing.
Said coupling assembling is a swivel joint, and swivel joint is made up of interior coupling, bearing arrangement and the seal of tape input delivery outlet; Said pedestal is fixedly connected the swivel joint nipple, and perhaps both integrate, and said sprayer body is fixedly connected with the swivel joint coupling; On the said input that is fixed in sprayer body by the formula impeller of hitting or be fixed in the swivel joint coupling that is connected with sprayer body, impeller is accepted the fluid thrust that flows and is produced rotation torque, driven rotary joint and sprayer body unitary rotation.
Said sprayer body is at least one cross body, is provided with the cross fluid passage in the cross body, is equipped with an eccentric spray nozzle at the reverse rotational direction of each spider of sprayer body, and each eccentric spray nozzle all communicates with the fluid passage at an angle.
The spray nozzle of said sprayer body periphery or eccentric spray nozzle are eye shape hole spray nozzle.
Said sprayer body is fog-spray nozzle independently, and the fog-spray nozzle of this fog-spray nozzle or fluid passage output is the spray gun or the fog-spray nozzle of thin water smoke fog-spray nozzle, water spray fog-spray nozzle, foam or foam spray fog-spray nozzle, big water droplet fog-spray nozzle, oil or other fluid.
Said pedestal is the temperature-sensitive normally close valve, and rotary atomization device becomes the enclosed rotary atomization device of being opened by temperature-sensitive element control.
Said sprayer body fluid passage output is provided with some large through-holes, and the embedded intrinsic mist core spray nozzle of this large through-hole forms from driving the mist rotary atomization device.
Said sprayer body or fog-spray nozzle are long hard tube spray gun, Great Wall Software's lance tube or liquid gas injection formula venturi atomizing lance; This liquid gas injection formula venturi atomizing lance is made up of bleed chamber, trunnion, the diffusion injection spray pipe of atomized spray mouth, band suction hole.
After adopting such scheme; Because being the quilt that in a pressure chamber, is provided with sprayer body one interlock, the present invention hits the formula impeller; Lean on whole fluids thrust that flows to make and hit the formula impeller and produce and hit the formula torque and drive the sprayer body rotation; Can also utilize and hit formula torque and the rotation of jet propulsion formula torque stack driven in common sprayer body, therefore under the situation of mesolow, can make the sprayer body fast rotational, thereby obtain quick and large-area spray effect.In addition, the present invention can pass through to change the shape (eye shape hole spray nozzle) of spray nozzle, or large through-hole directly is set with the various thin water atomization core spray nozzles of build-in at the spray nozzle place, like this can atomized spray effect.
More specifically, advantage of the present invention is to utilize fire-extinguishing fluid self-energy rotation sprayer body and do not need external force to drive, and is simple in structure, and especially can making fixedly, the atomization quality of fog-spray nozzle is greatly improved with the fire extinguishing effect.And the benefit of rotating spraying is to overcome: a) receive the existing stationary nozzle of structural limitations to spray irregular even the existence injection dead angle in the protection zone; B) the sprinkling momentum of existing stationary nozzle is limited, and especially fine mist spray head need spray mist, water droplet is very little, under mesolow spray not far, this petty action amount spraying is difficult to get into flame depths, the influence effect of putting out a fire.And rotating spraying exactly can overcome above-mentioned two critical defects of stationary nozzle.Rotating spraying is that total space wheel changes spraying, does not deposit blank blind area, and the droplet of rotating spraying have the centrifugal intertia force that fog-spray nozzle rotates thus spray far, spray momentum is big.The present invention can be that fog-spray nozzle is revolved in multiple fire-fightings such as big water droplet spraying type, water spray type, thin water smoke type, air water mist type, foam type, foam spray type from driving rotary atomization device; Thereby the present invention is suitable for the large space fire extinguishing and the fire extinguishing of other water system is used, and has also opened up new road for the Medium and Low Pressure Water Mist Fire Extinguishing system applies of environmental protection.Moreover rotary atomization device of the present invention can make water, oil or other liquid, also can use working medias such as gas, liquid two fluids or gas, liquid, powder multiphase flow, can be used for other spraying sprinkling field, thereby applied widely.
Description of drawings
Fig. 1 is the rotary atomization device structural representation that the embodiment of the invention 1 reaction type rotating drive mechanism and jet propulsion formula rotating drive mechanism are united driving;
Fig. 1-the 1st, the D of Fig. 1 is to sketch map;
Fig. 1-2 is that the B-B of Fig. 1 is to the jet flow sketch map;
Fig. 2 is that the embodiment of the invention 2 reaction types and jet propulsion formula are united driving, and the rotary atomization device structural representation of band slip swivel bearing;
Fig. 2-the 1st, the A of Fig. 2 is to sketch map;
Fig. 3 is the sprayer unit structural representation of the embodiment of the invention 3 band reaction type rotating drive mechanisms;
Fig. 4 is the sprayer unit structural representation that the embodiment of the invention 4 impact type rotating drive mechanisms are furnished with multiple fog-spray nozzle;
Fig. 4-the 1st, the T-T generalized section of Fig. 4;
Fig. 4-the 2nd, the another kind of impact type impeller of the T-T section of Fig. 4 sketch map;
Fig. 4-the 3rd, another impact type impeller sketch map of the T-T section of Fig. 4;
Fig. 5 is the embodiment of the invention 5 impact types and the synergy of jet propulsion formula and the sprayer unit sketch map with superposing type sprayer body;
Fig. 5-the 1st, the K-K of Fig. 5 is to view;
Fig. 6 is the another kind of sprayer unit structural representation of the embodiment of the invention 6 band impact type rotating drive mechanisms;
Fig. 7 is the oblique generalized section in spout eye shape hole (being the structural representation of the jet propulsion spray orifice of embodiment 7 impact types and the jet propulsion formula sprayer unit of uniting driving) among Fig. 6;
Fig. 8-the 1st, a kind of bispin stream of the present invention series connection spray nozzle atomizing core;
Fig. 8-the 2nd, the F-F generalized section of Fig. 8-1;
Fig. 8-the 3rd, a kind of rotor atomizing cored structure sketch map of the present invention with the impingement holes spray nozzle;
Fig. 9 is that the embodiment of the invention 8 impact types and reaction type are united the structural representation that rotation drives long tube spray gun or sprayer.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is made further detailed description.
Embodiment 1: for reaction type rotating mechanism of the present invention and jet propulsion formula rotating mechanism are united the sprayer unit of driving, shown in Fig. 1, Fig. 1-1 and Fig. 1-2.
Described rotary atomization device mainly comprises pedestal 1 and sprayer body 2.Wherein: form a seat chamber in the said pedestal 1, seat chamber one end is connected with outside pipe conveying fluid (not shown) for inlet 11, and the other end is an outlet plenum 12, and this inlet 11 can be provided with a filter 13.
Said sprayer body 2 is for being rotor block; Be provided with fluid passage 21 in it; The input of this fluid passage 21 is rotationally connected with pedestal 1 through a coupling assembling and communicates with the seat chamber, and its output connects some spray nozzles 22, and this sprayer body and its spray nozzle that is provided be the rotary balance body greatly most.
Described coupling assembling can be swivel joint 3, and this swivel joint 3 comprises coupling 31, bearing 32, bearing gland 33, Spring Card 34 and some sealings 35; These coupling 31 belows are connected with sprayer body 2, and its top is placed on the outlet plenum chamber wall 37 as the pedestal 1 of nipple, and said bearing 32 is located between the two; 34 of Spring Cards are stuck on the bearing 32 in order to rigid bearing 32, and said bearing gland 33 is placed in the coupling 31; Said sealing 35 can be common O shape circle, also can constitute combination sealing by the O shape circle of groove the inside and the wear-resisting low frictional resistance plastic hoop in the outside.Between said coupling 31 and the sprayer body 2, and all can the mode of being spirally connected be connected between said outlet plenum chamber wall 37 and the bearing gland 33, but and 31 quick rotation of the nipple of this swivel joint 3 and coupling and do not reveal the pressure flow body of inside.Need to prove, the inside and outside joint of swivel joint according to the invention, be not refer on the space inside and outside, but all be defined as nipple to the joint that is connected or directly replaces pedestal with pedestal, be defined as coupling to the joint that is connected with sprayer body.
The said rotary atomization device that drives certainly also is provided with the driving mechanism at the moment of torsion of accepting 2 rotations of the mobile thrust generation of fluid drive sprayer body.The quilt that this driving mechanism can be in the fluid chamber with pressure that is arranged between pedestal 1 and the sprayer body 2 hits the formula impeller, and this quilt hits formula impeller and sprayer body 2 unitary rotation, and rotation direction is consistent with the direction of screwing of above-mentioned connecting thread.In the present embodiment, described impeller is axial-flow type or the semiaxis streaming slurry shape impeller 4 that has dihedral vane.This slurry shape impeller 4 is fixed in the coupling 31 of swivel joint 3, and it can be provided with 1～2 circle, and every circle slurry shape impeller 4 can have 3～6 paddles; And this slurry shape impeller 4 also can be fixed on the inlet of sprayer body 2, perhaps respectively is provided with one at coupling 31 and sprayer body inlet.When in pedestal 1 outlet plenum 12 axially or inclined shaft during to water impact slurry shape impeller 4, bourn acting force can produce the rotational component squares to slurry shape impeller 4, rotates thereby drive sprayer body 2, forms the reaction type rotating drive mechanism.
Said driving mechanism also can be at least two eccentric spray nozzles 23 that are arranged on the sprayer body 2; Shown in Fig. 1-2; Each eccentric spray nozzle 23 is the space rotation around sprayer body 2 axis and is symmetrically distributed, and the jet flow center line of eccentric spray nozzle 23 is being provided with eccentric throw h perpendicular to the plane inner projection of sprayer body axis and the axle center of sprayer body 2, when eccentric spray nozzle 23 injection fluids; The reaction force that fluid sprays forms torque to sprayer body 2; Promote sprayer body 2 rotations, and the common no torque spray nozzle 22 and the eccentric spray nozzle 23 that drive on the sprayer body 2 rotate together, thus formation jet propulsion formula rotating drive mechanism.Above-mentioned eccentric spray nozzle 23 has constituted the rotating drive mechanism that reaction type and jet propulsion formula are united driving with above-mentioned slurry shape impeller 4.The jet direction of eccentric spray nozzle and impeller drive the direction of rotation of sprayer body 2 in the above-mentioned driving mechanism, and the direction of rotation of sprayer body 2 is consistent with the direction of screwing of all connecting threads.
Particularly; Continue to cooperate shown in Fig. 1-2; The described sprayer body 2 of present embodiment is a cross body 24; Also be provided with cross fluid passage 21 in the cross body 24, be equipped with an eccentric spray nozzle 23 at the reverse rotational direction of each spider of sprayer body 2, each eccentric spray nozzle 23 all communicates with fluid passage 21 at an angle.In addition, the spider outer end of this sprayer body 2 also can be provided with common no torque spray nozzle 22.
Embodiment 2: for reaction type of the present invention and jet propulsion formula are united driving, and the sprayer unit of band slip rotating bearing structure, shown in Fig. 2 and Fig. 2-1.
Present embodiment is said also to comprise pedestal 1, sprayer body 2, coupling assembling and driving mechanism from driving rotary atomization device.Wherein:
Be provided with a chamber in the described pedestal 1, it comprises inlet 11 and outlet plenum 12.
Described sprayer body 2 structures are identical with the foregoing description 1, are the sprayer body 2 that is provided with cross body 24, which is provided with common no torque spray nozzle 22 and eccentric spray nozzle 23, and this off-centre spray nozzle 23 forms jet propulsion formula rotating drive mechanism.
Described driving mechanism also comprises the slurry shape impeller that has dihedral vane.
The difference of present embodiment and embodiment 1 is: described slurry shape impeller be slurry shape impeller 4 with oblique plate shape paddle '; The slurry shape impeller 4 of this sheet shape paddle ', also can be die casting for again each blade bending being processed at angle after the flaky material punching press.In addition; The described coupling assembling of present embodiment comprises that sprayer body connects cover 5; This sprayer body connects cover 5 bottoms and is connected (can engage thread connection) with sprayer body 2; Its top fix described slurry shape impeller 4 ', and this sprayer body connects cover 5 axle sleeves in the outlet plenum 12 of pedestal 1 below, connects thereby form slip swivel bearing formula.For reducing the frictional force of rotational slide, said sprayer body connects between cover 5 and the axis hole 12 can be provided with dead slot 14, and this dead slot place also can be provided with the axis hole sealing to replace flat seal 35.
Embodiment 3: for the structure of the another kind of band of the present invention reaction type rotating drive mechanism sprayer unit, referring to Fig. 3.
Said sprayer unit mainly comprises pedestal 1 and sprayer body 2a.Wherein:
Be provided with a chamber equally in the said pedestal 1, and be provided with inlet 11 and outlet plenum 12, this inlet 11 is provided with a filter 13.
Described sprayer body 2a can be revolving body, is provided with fluid passage 21a in it, and the input of this fluid passage 21a is rotationally connected and communicates with pedestal 1 through coupling assembling, and this sprayer body 2a periphery is provided with some spray nozzle 22a.
Said driving rotary atomization device also comprises driving mechanism certainly, and this driving mechanism can be the slurry shape impeller 4 in the pressure chamber that is arranged between pedestal 1 and the sprayer body 2a, thereby forms the reaction type rotating drive mechanism.
The described coupling assembling of present embodiment comprises that mainly sprayer body connects cover 5 and some steel balls 51.This sprayer body connects the top that cover 5 can be bolted in sprayer body 2a, and perhaps one-body molded with sprayer body 2a, it is placed in the outlet plenum 12 of pedestal 1, and 4 in said slurry shape impeller can be fixed in the top that this sprayer body connects cover 5.Outlet plenum 12 outer walls of said pedestal 1 are provided with 1～2 ring annular groove 14; Be uniformly distributed with some in this groove 14 with footpath through hole 15; Its built-in steel ball 51 slightly littler than through hole 15; Steel ball 51 is positioned in the arc-shaped ring groove 52 that sprayer body connects cover 5 outer walls, and a ring set 53 is pressed on the outer wall of two semi-circular bearing shims 54 being located in steel ball 51 circumferential annular groove 14 and outlet plenum 12; And these outlet plenum 12 inwalls and sprayer body connect between cover 5 outer wall has running clearance.
The sprayer body 2a outer wall of present embodiment is offered some large through-hole 25a, 25b, can be used to the atomizing core nozzle of the solid various absolute construction of build-in or spiral shell in this large through-hole 25a, the 25b, has the spray nozzle 22a of special spray effect with formation.For example: but present embodiment around the thin water smoke atomizing of build-in core nozzle 8a in the large through-hole 25a of position; The two spout atomizing of build-in eddy flow vortex flow core nozzle 8b in the large through-hole 25b of bottom.Atomizing core nozzle that also can other form of build-in in described large through-hole 25a, the 25b, like foam atomizing core, hit hole air water mist atomizing core or the like mutually, also can other type of build-in fog-spray nozzle, as adopt other like type fog-spray nozzle such as foam, water smoke or the like.In large through-hole, be provided with the jet propulsion formula spray nozzle that spray nozzle also has eccentric throw, form the rotary atomization device of reaction type and jet propulsion formula stack.
Embodiment 4: be the structure that impact type rotating drive mechanism of the present invention is furnished with multiple fog-spray nozzle sprayer unit, its structural representation such as Fig. 4, Fig. 4-1, Fig. 4-2 and Fig. 4-3.
It is described that driving rotary atomization device mainly comprises pedestal 1, sprayer body, coupling assembling and driving mechanism certainly.Described pedestal 1 also is provided with inlet 11 and outlet plenum 12, and this inlet 11 is connected with water supply line through a three-way pipe 9, and the top inlet of this three-way pipe 9 is provided with a filter 13; Its side is provided with a temperature-sensitive normally close valve 91; The outlet of normally close valve 91 connects coupling assembling through pedestal 1 below, this coupling assembling is swivel joint 3 (its structure is identical with the foregoing description 1, no longer describes); Coupling 31 belows of this swivel joint 3 are connected with sprayer body; The quilt that is provided with in the pressure chamber of the coupling 31 between said pedestal 1 and the sprayer body hits the formula impeller, and this impeller can be the impeller 6 (like Fig. 4-1) with bucket shape blade of accepting the eddy flow impact, or for having impeller 6 ' (like Fig. 4-2) of arc plate vane; Also can be impeller 6 〃 (like Fig. 4-3) with straight plate vane; This impeller 6 is fixed in the coupling 31 through wheel support 61, and the corresponding circle eddy flow spout 62 of fixing in pedestal 1 chamber of impeller 6 peripheries or in coupling 31 vestibules with its blade, and this eddy flow spout 62 can be arranged on the holder 63.When impeller 6 receives the eddy flow impulsive force of eddy flow spout 62, just drive coupling 31 and sprayer body unitary rotation, thereby constitute the impact type rotating drive mechanism.Same, the direction of rotation of sprayer body is consistent with the direction of screwing of each connecting thread.
The sprayer body that present embodiment is spirally connected below the coupling 31 of swivel joint 3 can be all kinds of shower nozzles such as foam head 7a, air water mist fog-spray nozzle 7b, thin water smoke fog-spray nozzle 7c, water spray fog-spray nozzle 7d, big water droplet spray cyclone nozzle 7e, thereby forms various specific enclosed rotary atomization devices; Revolve like the enclosed foam spray that fog-spray nozzle, the thin water smoke of enclosed or air water mist revolve fog-spray nozzle, enclosed water spray or big water droplet spray revolves fog-spray nozzle, the first-class sprayer unit of enclosed mist of oil rotating spraying; Present embodiment is as just having become corresponding open type rotary atomizing head such as foam spray rotary atomizing head, thin water smoke or air water mist rotary atomizing head, water spray rotary nozzle, the first-class sprayer unit of mist of oil rotating spraying at 91 above-mentioned each enclosed rotary atomizing heads of swivel joint 3 inlet cancellation temperature-sensitive normally close valves.This sprayer body and its spray nozzle that is provided with are or/and fog-spray nozzle rotary balance body greatly most.
Embodiment 5: for the rotary atomization device of impact type of the present invention and the synergy of jet propulsion formula and a plurality of sprayer bodies that superpose, shown in Fig. 5 and Fig. 5-1.
Present embodiment and embodiment 1 are basic identical, and same section no longer repeats.And present embodiment different is: the sprayer body 2 of the two-layer cross body of vertical stack below the swivel joint 3 of the foregoing description 1; And the cross body of two-layer sprayer body 2 is crisscross arranged (like Fig. 5-1), thereby constitutes the sprayer unit with impact type and the pusher combination of multilayer spray Drive Structure.2 of above-mentioned two-layer sprayer bodies can be threaded and finger setting, and the bottom surface of the sprayer body 2 of lower floor also can be provided with some no torque spray nozzles 22.The sprayer body 2 of present embodiment lower floor also may instead be the fog-spray nozzle with various special spray effects, like the fog-spray nozzle of foam head 7a shown in Figure 4 among the embodiment 4 or the like various structures.
Bearing in the said swivel joint 3 of present embodiment is a double row ball bearing.
Embodiment 6: for the sprayer unit structural representation of the another kind of band of the present invention impact type rotating drive mechanism, as shown in Figure 6.
Present embodiment is described to be to comprise pedestal 1, sprayer body 2b, coupling assembling and driving mechanism from driving rotary atomization device equally.
Described coupling assembling has comprised bearing 32, bearing gland 33, Spring Card 34 and has sealed 35; This bearing 32 directly is arranged between outlet plenum 12 outer walls of sprayer body 2b and pedestal 1, and the bearing gland of being located on the pedestal 1 33 makes bearing 32 locate and be placed on the sprinkler body 2b.
Described driving mechanism be bucket shape blade or plate vane impeller 6,6 ', 6 〃; It is fixed in the sprayer body 2b through a wheel support 61 and swirl base 27b; Impeller 6,6 ', the periphery of 6 〃 is provided with a holder 63; Corresponding impeller is provided with a circle eddy flow spout 62 on the holder 63, and the rotation torque that this impeller forms makes present embodiment constitute the impact type rotating drive mechanism.
In addition; Have skewed slot or eddy flow groove on the said wheel support 61; The lateral wall of said swirl base 27b has eddy flow groove 28b, and its madial wall is provided with the taper spray orifice, and this swirl base 27b is fixed on the sprayer body 2b; Sprayer body 2b bottom center is provided with a spray nozzle 22b, so promptly forms a kind of atomizing cored structure that bispin flows parallelly connected nozzle that has.
Embodiment 7: for another kind of impact type of the present invention and jet propulsion formula are united the structure of driving, like Fig. 6, shown in 7.
The difference of present embodiment and the foregoing description 6 is: the eye shape hole spray nozzle of said sprayer body 2b periphery setting is oblique spout eye shape hole spray nozzle 29b; Its jet flow center line and sprayer body 2b axle center have eccentric throw h; Thereby the jet flow reaction force of each oblique spout eye shape hole spray nozzle 29b make a concerted effort multiply by h and just equal the jet drive torque; Thereby form another kind of jet propulsion formula rotating mechanism, its with impeller 6,6 ', 6 〃 constitute the structure that impact type and jet propulsion formula are united driving.
Need to prove that the impeller that impeller that the reaction type driving mechanism among the present invention adopts and impact type driving mechanism are adopted is referred to as and is hit the formula impeller.
On the sprayer body 2 of rotary atomization device, 2a or the thin water smoke fog-spray nozzle 7c the various atomizing core nozzles that can spray mist can be set among above-mentioned each embodiment of the present invention; So just formed " driving the mist rotary atomization device certainly ", if use be water then form " driving thin water smoke rotary atomization device certainly ".
For example the spray nozzle 22b of bottom center and go up the eye shape hole spray nozzle 26b among square structure, Fig. 6 among the two spouts atomizing of the eddy flow vortex flow of Fig. 3 core nozzle 8b, Fig. 6 is an atomizing core nozzle.
Above-mentioned atomizing core nozzle also can eccentricly be provided with; Formation has the atomizing core nozzle of eccentric throw; The oblique spout eye shape hole spray nozzle 29b that sprayer body 2b periphery as shown in Figure 7 is provided with is exactly eccentric atomizing core nozzle, the injection torque that this spray nozzle produces; Unite driving mist sprayer unit with the torque that the reaction type impeller produces, form rotating spraying.
The above-mentioned mist atomizing core nozzle that various structures also can be set on the sprayer body that drives rotation mist sprayer unit, as giving an example, the present invention provides following 2 kinds of mist core nozzles more emphatically:
1) bispin stream atomizing core spray nozzle comprises parallel connection and connects two kinds, is that example describes below with the series connection:
A kind of bispin stream series connection spray nozzle atomizing core 010, structural representation is referring to Fig. 8-1 and Fig. 8-2.
Close-fitting bispin stream cover 0102 in core print seat 0101 lumen orifice 0107 of this atomizing core spray nozzle 010; On the major diameter ring wall of bispin stream cover 0102, be provided with 3～6 eddy flow grooves 0106; On the minor diameter ring wall of bispin stream cover 0102, establish 2～4 eddy flow grooves 0103; The minor diameter ring wall end face of bispin stream cover 0102 is sealed by shower nozzle vestibule bottom surface; The input hole 0108 of shower nozzle vestibule feeds in atomizing side, 0109 base, core chamber and communicates with the collar extension of eddy flow groove 0106,0103, and atomizing core print seat 0101 all has the spray orifice 0105 and 0104 of contraction, the coaxial series connection of this two spray orifice with bispin stream cover 0102; Atomizing core print seat 0101 usefulness screw thread is screwed in the vestibule of large through-hole of sprayer body of the present invention or on the through hole of other fog-spray nozzle, constitutes the series connection spray nozzle of bispin stream atomizing core.In this atomizing core spray nozzle embodiment, when above-mentioned two shrink spray orifices 0105 and 0104 each other near, and it is inner and mutually with one heart to make little spray orifice 0104 get into big spray orifice 0105, then constitutes the atomize parallelly connected spray nozzle of core of bispin stream.
2) a kind of rotor atomizing core 012 with the impingement holes spray nozzle, structural representation is referring to Fig. 8-3.
This atomizing core nozzle is provided with an atomizing core print seat 0125; Have 3～6 to be uniformly distributed with oblique hole 0121 in it, the young spray orifice 0123 axis symmetry that goes out in each hole 0121 intersects, hole 0121 is built-in have 1～3 spiral stream guidance groove 0122 or many oblique strias 0122 ' rotatable pillar 0124; The input hole 0126 of shower nozzle vestibule communicates with hole 0121; Current drive pillar 0124 rotation from spiral stream guidance groove 0122 or 0122 ' interior inflow, form thin water film; Secondary-atomizing behind the multiply moisture film impinging jet, thus constitute eddy flow rotor impingement holes atomizing core.
Embodiment 8: unite rotation for impact type of the present invention and reaction type and drive long tube torch-type sprayer unit, referring to shown in Figure 9.
Present embodiment is close with sprayer unit shown in Figure 4 with embodiment 4, thereby the label same section is no longer described among Fig. 9 and Fig. 4.Different is present embodiment: (1) present embodiment has removed the three-way pipe 9 and normally close valve 91 among Fig. 4; (2) present embodiment is also without all kinds of fog-spray nozzle 7a～7f among Fig. 4, and replaces with liquid gas injection formula venturi atomizing lance 9G, long hard tube spray gun 9H, three kinds of elongate tubular spray guns of the lance tube 9I of Great Wall Software; (3) present embodiment has been used two rolling bearings 32; (4) rotary drive mechanism of present embodiment has also increased reaction type slurry 4, the two kinds of rotary drive mechanisms of shape impeller and the usefulness that adopt like Fig. 1 except that the impact type impeller 6 that adopts that kind as shown in Figure 4, can increase rotary power.The impeller that impeller that reaction type driving mechanism among the present invention adopts and impact type driving mechanism are adopted is referred to as and is hit the formula impeller.
The input fluid of the rotary atomization device of present embodiment can be water, oil or other class I liquid I, also can be the two phase flow or the multiphase flow of gas-liquid.
In fact the sprayer body of present embodiment is exactly liquid gas injection formula venturi atomizing lance 9G, long hard tube spray gun 9H, the lance tube 9I of Great Wall Software, and their institutes join spray nozzle and can adopt suitable spray nozzle according to jet flow medium and jet flow refinement degree.The lance tube 9I of Great Wall Software is only applicable to some and needs crooked special occasions of inserting.Liquid gas injection formula venturi atomizing lance 9G can be used for the burning spraying, and it is made up of atomized spray mouth g1, suction hole g2, bleed chamber g3 ginseng air-casing g4, trunnion g5, diffusion injection spray pipe g6.Diffusion injection spray pipe g6 exit also can add diffuser vane g7 etc.And atomized spray mouth g1 also can select that type porous spray nozzle shown in Fig. 8-3 for use.
The inlet 11 set filters 13 of present embodiment are only just selected to be provided with when the need fine spray.
Of the present invention rotary atomization device can be used for fire extinguishing and other jet flow is sprayed from driving, and group uses but can use also separately.Use separately is from driving rotary atomization device as single fire extinguishing and other fog-spray nozzle or spray gun usefulness with one.It is to do open type or enclosed and revolve fog-spray nozzle and use from driving each pipeline terminal that rotary atomization device is installed in fire extinguishing systems such as automatic spray water, water spray, thin water smoke, foam spray a plurality of that group uses, and also can this be driven rotary atomization device certainly and be installed in pipeline terminals such as spray for dust suppression, spray-drying, spraying sprinkling irrigation and do group's spraying and use.
Claims (11)
1. one kind drives rotary atomization device certainly, comprises pedestal and sprayer body; Be provided with a chamber in the pedestal, seat chamber inlet connects outside pipe conveying fluid; Be provided with the fluid passage in the sprayer body, the fluid passage output is provided with spray nozzle or/and fog-spray nozzle; It is characterized in that: this sprayer body input is rotationally connected with pedestal through coupling assembling and communicates with the seat chamber; Said rotary atomization device also is provided with the driving mechanism that drives the sprayer body rotation with fluid thrust; Driving mechanism and sprayer body unitary rotation; This sprayer body is the rotor balancing body; Be sprayer body with its spray nozzle that is provided with or/and fog-spray nozzle rotary balance body greatly most, the sprayer body shape goes up the spray nozzle or the fog-spray nozzle shape that are provided with it and rotates symmetric figure with the space that is roughly around the sprayer body axis that distributes; Said driving mechanism comprises a kind of formula impeller that hit at least, is hit the formula impeller to be arranged in the fluid chamber with pressure between pedestal and the sprayer body; Described driving mechanism also comprises at least two eccentric spray nozzles that are arranged at the sprayer body periphery; Projection and the sprayer body axle center of the jet flow center line of this off-centre spray nozzle in the vertical plane of sprayer body axis has eccentric throw; And the rotation direction that the jet direction of eccentric spray nozzle and impeller drive sprayer body is opposite substantially, and they rotate sprayer body in the same way and do press atomization.
2. as claimed in claim 1 from driving rotary atomization device; It is characterized in that: said is to have to accept the bucket shape blade that eddy flow impacts or the impeller of plate vane by the formula impeller of hitting; Corresponding with it in the seat chamber of impeller periphery a fixing circle eddy flow spout, impeller be fixed on the input of sprayer body or be fixed on coupling assembling that sprayer body is fixedly connected on.
3. as claimed in claim 1 from driving rotary atomization device; It is characterized in that: said is axial-flow type or the semiaxis streaming slurry shape impeller that has dihedral vane by the formula impeller of hitting, impeller be fixed on the input of sprayer body or be fixed on coupling assembling that sprayer body is fixedly connected on.
4. as claimed in claim 1 from driving rotary atomization device, it is characterized in that: described coupling assembling is rolling bearing, steel ball assembly or rotational slide bearing.
5. as claimed in claim 1 it is characterized in that: said coupling assembling is a swivel joint from driving rotary atomization device, and swivel joint is made up of interior coupling, bearing arrangement and the seal of tape input delivery outlet; Said pedestal is fixedly connected the swivel joint nipple, and perhaps both integrate, and said sprayer body is fixedly connected with the swivel joint coupling; On the said input that is fixed in sprayer body by the formula impeller of hitting or be fixed in the swivel joint coupling that is connected with sprayer body; Impeller is accepted the mobile thrust of fluid and is produced rotation torque; This rotation torque is consistent with the rotation torque direction that each eccentric spray nozzle spray flow produces, driven rotary joint and sprayer body unitary rotation; The inside and outside joint of said swivel joint, be not refer on the space inside and outside, but all be defined as nipple to the joint that is connected or directly replaces pedestal with pedestal, be defined as coupling to the joint that is connected with sprayer body.
6. as claimed in claim 1 from driving rotary atomization device; It is characterized in that: said sprayer body is at least one cross body; Be provided with the cross fluid passage in the cross body; Reverse rotational direction at each spider of sprayer body is equipped with a said eccentric spray nozzle, and each eccentric spray nozzle all communicates with the fluid passage at an angle.
7. as claimed in claim 1 from driving rotary atomization device, it is characterized in that: the spray nozzle of said sprayer body periphery or eccentric spray nozzle are eye shape hole spray nozzle.
8. as claimed in claim 1 from driving rotary atomization device; It is characterized in that: said sprayer body is fog-spray nozzle independently, and the fog-spray nozzle of this fog-spray nozzle or fluid passage output is the spray gun or the fog-spray nozzle of thin water smoke fog-spray nozzle, water spray fog-spray nozzle, foam spray fog-spray nozzle, oil or other fluid.
9. as claimed in claim 1 from driving rotary atomization device; It is characterized in that: said pedestal is the temperature-sensitive normally close valve; Said sprayer body is thin water smoke fog-spray nozzle, water spray fog-spray nozzle, foam spray fog-spray nozzle, makes rotary atomization device become the enclosed rotary atomization device of being opened by temperature-sensitive element control.
10. as claimed in claim 1 it is characterized in that: said sprayer body fluid passage output is provided with some large through-holes from driving rotary atomization device, and the embedded intrinsic mist core spray nozzle of this large through-hole forms from driving the mist rotary atomization device.
11. as claimed in claim 1 from driving rotary atomization device, it is characterized in that: said sprayer body or fog-spray nozzle are long hard tube spray gun or Great Wall Software's lance tube.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100714326A CN101318165B (en) | 2008-07-18 | 2008-07-18 | Self-driving rotary dispensing device |
| US12/737,494 US8833676B2 (en) | 2008-07-18 | 2009-07-20 | Spraying device |
| PCT/CN2009/072841 WO2010006560A1 (en) | 2008-07-18 | 2009-07-20 | Spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100714326A CN101318165B (en) | 2008-07-18 | 2008-07-18 | Self-driving rotary dispensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101318165A CN101318165A (en) | 2008-12-10 |
| CN101318165B true CN101318165B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100714326A Expired - Fee Related CN101318165B (en) | 2008-07-18 | 2008-07-18 | Self-driving rotary dispensing device |
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| Country | Link |
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| CN (1) | CN101318165B (en) |
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