CN108745670A - A kind of spinning liquid atomizing spray mouth for high temperature and high pressure environment - Google Patents

Abstract

The present invention discloses a kind of spinning liquid atomizing spray mouth for high temperature and high pressure environment, including：Nozzle boss, nozzle, movable flow device and distribution ring, nozzle boss has pre-and post perforative cavity, cavity includes the nozzle mounting hole positioned at its front end and the distribution ring mounting hole on rear side of nozzle mounting hole, distribution ring is set to distribution ring mounting hole, distribution ring is equipped at least two tap holes, nozzle is arranged in nozzle mounting hole, nozzle has through flow hole and spout, through flow hole is rearwardly through nozzle, the rear end of spout is connected to the front end of through flow hole, nozzle is run through forward in the front end of spout, movable flow device is set to through flow hole, movable flow device is externally formed with spiral groove, the front end of spiral groove and spout connection.Fluid is divided into multiply by the distribution ring of the present invention, is enabled a fluid to the circumferential region for being rapidly and uniformly assigned to movable flow device, is reduced the flow resistance of fluid, while increasing the flow rate of fluid；When fluid passes through spiral groove, it is accelerated again, improves the uniformity of atomized drop.

Description

A kind of spinning liquid atomizing spray mouth for high temperature and high pressure environment

Technical field

The present invention relates to liquid spraying technique field more particularly to a kind of spinning liquid atomizing sprays for high temperature and high pressure environment Mouth.

Background technology

In some press devices, for example, the key equipment in nuclear power field, such as steam pressurizer, containment high temperature In high pressure vessel or complicated closed container, generally require that corresponding atomizing sprinkling system is arranged, by low temperature mist droplet It sprays into the pressure vessel of high temperature and pressure, to realize that the fast cooling of pressure vessel is depressured, it is ensured that the safety of high-temperature high-pressure apparatus Stable operation.

It is spiral that two tops, which are arranged, in Chinese patent CN2106660U between the outer casing inner wall and spiral outer core of nozzle Slot, lower part is the spiral core shell for boring chamber, after water flow nozzle, is divided into three parts by spiral core shell and helix core, into spiral Slot becomes rotary motion, accelerated in lower cone chamber, leaves spout and forms three layers of hollow umbrella water curtain；It is supplied needed for the spiral nozzle Water pressure is low, can spray multi-layer hollow water curtain, atomization of water current and cooling, good dedusting effect, but the water sprayed from each layer due to it The acceleration path that mist is undergone is different, and spouting velocity is also different, and the water mist sprayed out is uneven, for uniform fast cooling The effect unobvious of decompression.

The fastener periphery of Chinese patent CN203355924U is equipped with screw thread, and spray orifice is tapered auger body, spray orifice region For concentric hollow conical ring, the diameter that hollow conical ring is exported by fastener iniet to spray orifice changes linearly；The spiral nozzle is atomized Angle is big, and without blocking, nozzle runner is not easy fouling, and the small and atomizing effect of abrasion is uniform and thin, but processes system at water outlet position Difficulty is made, and is easily damaged in the environment of high temperature and pressure.

Spinning disk is arranged in Chinese patent application CN104923424A in liquid cyclone room, and flow enters behind spin chamber through rotation The high speed rotation of flow, then high speed are sprayed to fluid injector；The rotational flow atomized spray injector is not easy to plug, and spray flux is big, atomizing effect Good, droplet is uniform, suitable for the device systems such as misting cooling, evaporation, gas liquid reaction, wet dust removal, degasification；But swirling flow atomizing The spinning disk of nozzle constantly rotates in the operating condition, increases the flow resistance of water while rotating, increases nozzle Resistance coefficient, the decrease temperature and pressure processing not being suitable in high temperature and high pressure containers.

Therefore, it solves for the spinning liquid atomizing spray mouth of high temperature and high pressure environment it is urgent to provide a kind of atomizing effect is good State problem.

Invention content

The purpose of the present invention is to provide the good spinning liquid atomizing spray mouths for high temperature and high pressure environment of atomizing effect.

To achieve the goals above, the invention discloses a kind of spinning liquid atomizing spray mouth for high temperature and high pressure environment, packets It includes：Nozzle boss, nozzle, movable flow device and distribution ring, it includes being located at that the nozzle boss, which has pre-and post perforative cavity, the cavity, The nozzle mounting hole of its front end and the distribution ring mounting hole on rear side of the nozzle mounting hole, the distribution ring are set to described Distribution ring mounting hole, the distribution ring are equipped at least two tap holes, and the nozzle is arranged in the nozzle mounting hole, the nozzle With through flow hole and spout, the through flow hole is rearwardly through the nozzle, the front end of the rear end of the spout and the through flow hole The nozzle is run through forward in the front end of connection, the spout, and the movable flow device is set to the through flow hole, the outside of the movable flow device It is formed with spiral groove, the front end of the spiral groove and the spout connection.

Compared with prior art, the rear side in nozzle is arranged in distribution ring of the invention, and movable flow device is arranged in the through-flow of nozzle Kong Zhong, the fluid into spray nozzle enters through flow hole via the tap hole of distribution ring, after the spiral groove outside movable flow device, It is sprayed by spout；The fluid for entering distribution ring is divided at least two strands by the present invention by least two tap holes of distribution ring, is subtracted The small flow resistance of fluid and the uniformity for improving atomized drop, enable a fluid to faster be more uniformly distributed to movable flow device Circumferential region, enhance atomizing effect；Moreover, into through flow hole fluid by spiral groove outside movable flow device when, again It is accelerated so that the flow rate of fluid faster, further enhances atomizing effect；In addition, the spinning liquid due to the present invention is atomized Spray nozzle is integrated, and structural portion is not present without relative motion between distribution ring, movable flow device, nozzle and nozzle boss Mutual frictional dissipation between part, it is firm that overall structure more consolidates, and can be suitable for high temperature and high pressure environment；Moreover, of the invention Spinning liquid atomizing spray mouth structure it is simple, making easy to process.

Preferably, the spiral groove is the thread groove with certain helix angle；Spiral groove is set as thread groove knot Structure can reduce flow resistance of the fluid in spiral groove, and the processing of thread groove is relatively simple；Thread groove has certain Helix angle so that fluid constantly improves the speed of rotation during axial advancement of threadingly slot, enhances atomizing effect.

Preferably, being formed between the movable flow device and the inner wall of the through flow hole between the circumferential direction being gradually reduced from back to front Gap, the front end of the movable flow device are circumferentially connected to the front end of the inner wall of the through flow hole.

Preferably, the through flow hole is tapered, the size of the rear end of the through flow hole is more than the front end of the through flow hole Size.

Preferably, the spout includes bellmouth and fluid outlet, the size of the front end of the bellmouth is less than the cone The size of the rear end in shape hole, the rear end of the bellmouth are connected with the front end of the through flow hole, the fluid outlet and the cone The front end in shape hole is connected；Thereby so that after fluid enters the bellmouth of spout, enter via the larger rear end of flow area through-flow Flow rate is accelerated in the smaller front end of area, enhances atomizing effect.

Preferably, the cavity is formed with the stopper section of inside projection on rear side of the distribution ring mounting hole, described point With ring backstop in the stopper section, the rear end of the movable flow device is connected to the distribution ring；Thereby, convenient for distribution ring is located in In distribution ring mounting hole.

Preferably, the rear end of the movable flow device is formed in spherical positioning head, it is formed in the middle part of the distribution ring and is in Circular location hole, the positioning head part are stretched into the location hole and are connected at the front edge of the location hole；Thereby, Enable to distribution ring strong fix in distribution ring mounting hole, meanwhile, it also allows for that movable flow device is fixed.

Preferably, the front end of the movable flow device is circumferentially connected to the front end of the inner wall of the through flow hole, thereby design, it can be It is realized to the circumferentially positioned of movable flow device under the cooperation of distribution ring.

Preferably, the rear end of the spout is in the pyramidal structure being gradually reduced from back to front；Accelerating fluid flow rate While can also play the role of limit movable flow device axial movement.

Preferably, the cavity is formed with the first cushion chamber between the distribution ring and the nozzle, described first is slow The outer peripheral edge for rushing chamber exceeds the distribution ring outward；Thereby, it can prevent from that strenuous exercise occurs by the fluid that tap hole flows out, surely The flow rate of constant current body, it is ensured that the granular size and spray angles of atomized drop are consistent；The flowing of fluid can be reduced simultaneously Resistance.

Preferably, the nozzle mounting hole is stretched out in the front end of the nozzle, the outside projection in front end of the nozzle is formed with The forward end seal of cricoid fixed part, the fixed part and the nozzle boss is welded；Thereby, injector seals can be fixed on to spray The front end of headstock.

Preferably, axial gap is formed between the fixed part and the front end of the nozzle boss, at the axial gap Equipped with gasket seal, sealing welding between the fixed part, gasket seal and the front end of nozzle boss.

Preferably, the nozzle is concaved with spacer groove, the gasket seal in the position of the correspondence axial gap It is located in the spacer groove, the protruding spacer groove in outside of the gasket seal；It thereby designs, further improves spray Leakproofness between head and the front end of nozzle boss.

Preferably, the inner wall of the nozzle mounting hole is formed with internal thread structure, the rear end of the nozzle is formed with and institute State the external thread structure of the internal thread structure cooperation of nozzle mounting hole；Thereby, nozzle is firm in nozzle mounting hole While, the mode of internal and external threads connection can further promote the leakproofness between nozzle and nozzle boss.

Preferably, the spinning liquid atomizing spray mouth for high temperature and high pressure environment further includes the mother liquor pipe fitting of hollow structure, institute The rear end for stating cavity is formed with connector mounting hole, and the forward end seal of the mother liquor pipe fitting is mounted on the connector mounting hole；By Spinning liquid atomizing spray mouth can be connected to by the design of mother liquor pipe fitting and connector mounting hole by external mother liquor equipment.

Preferably, the inner wall of the connector mounting hole is formed with internal thread structure, the front end of the mother liquor pipe fitting is formed There are the external thread structure coordinated with the internal thread structure of the connector mounting hole, the mother liquor pipe fitting and the nozzle mounting seat The welding of rear end circumferential seal；Thereby, can be firm in connector mounting hole by the front end of mother liquor pipe fitting, and inside and outside spiral shell Line connects and by the mode of the junction sealing welding of the rear end of mother liquor pipe fitting and nozzle mounting seat, can further promote mother Leakproofness between liquid pipe connection and nozzle boss.

Preferably, the rear end of the cavity is formed with connector mounting hole, the connector mounting hole is installed with the distribution ring It is formed with the second cushion chamber between hole, second cushion chamber includes positioned at cylindrical the first buffer part of rear end and before being located at The second tapered buffer part at end, the size of the rear end of second buffer part are more than the ruler of the front end of second buffer part Very little, the front end of first buffer part is connected with the rear end of second buffer part, and the outer peripheral edge of first buffer part is outside Beyond the connector mounting hole；Thereby, while the flow rate of stabilized fluid, the flow resistance of fluid is reduced.

Description of the drawings

Fig. 1 is sectional view of the embodiment of the present invention for the spinning liquid atomizing spray mouth of high temperature and high pressure environment.

Fig. 2 is the sectional view of nozzle boss of the embodiment of the present invention.

Fig. 3 is the sectional view of nozzle of the embodiment of the present invention.

Fig. 4 is the phantom of movable flow device of the embodiment of the present invention.

Fig. 5 is the structural schematic diagram of distribution ring of the embodiment of the present invention.

Specific implementation mode

For the technology contents that the present invention will be described in detail, construction feature, the effect realized, below in conjunction with embodiment and match Attached drawing is closed to be explained in detail.

In the description of the present invention, it is to be understood that, the instructions such as term "front", "rear", "inner", "outside", "upper", "lower" Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be only for ease of description the present invention and simplification retouch It states, rather than indicates or imply signified device or element must have a particular orientation, thus should not be understood as to the present invention Protect the limitation of content.

It please refers to Fig.1 to Fig. 5, the invention discloses a kind of spinning liquid atomizing spray mouth 100 for high temperature and high pressure environment, packets It includes：Nozzle boss 1, nozzle 2, movable flow device 3 and distribution ring 4, it includes position that nozzle boss 1, which has pre-and post perforative cavity 11, cavity 11, Nozzle mounting hole 111 in its front end and the distribution ring mounting hole 112 positioned at 111 rear side of nozzle mounting hole, distribution ring 4 are set to Distribution ring mounting hole 112, distribution ring 4 are equipped at least two tap holes 41, and nozzle 2 is arranged in nozzle mounting hole 111, and nozzle 2 has Through flow hole 21 and spout 22, through flow hole 21 are connected to rearwardly through nozzle 2, the rear end of spout 22 with the front end of through flow hole 21, spout Nozzle 2 is run through forward in 22 front end, and movable flow device 3 is set to through flow hole 21, and movable flow device 3 is externally formed with spiral groove 31, spiral The front end of groove 31 is connected to spout 22.Fluid enters after spinning liquid atomizing spray mouth 100, via the tap hole 41 of distribution ring 4 Into the through flow hole 21 of nozzle 2, then by the spiral groove 31 outside movable flow device 3, enter spray after being flowed out by spiral groove 31 Mouth 22, is finally sprayed by spout 22.

The spinning liquid atomizing spray mouth 100 for high temperature and high pressure environment of the present invention can be applied to engineering test or field device In pressure vessel in, when the pressure of pressure vessel reaches certain value, control system control with spinning liquid atomizing spray mouth 100 connect The valve of logical mother liquor pipeline is opened, and so that mother liquor is passed through spinning liquid atomizing spray mouth 100 to form atomized drop, atomized drop via Spout 22 sprays into pressure vessel, realizes the fast cooling decompression of pressure vessel, ensures the safety of pressure system operation and reliable Property；Certainly, spinning liquid atomizing spray mouth 100 of the invention is also applied for the environment that other any need carry out atomizing spray, not It is limited in application in pressure vessel.

Hereinafter, making further to the spinning liquid atomizing spray mouth 100 for high temperature and high pressure environment of the present invention in conjunction with Fig. 1-Fig. 5 Detailed description.

Referring to Fig. 4, specifically, spiral groove 31 is the thread groove with certain helix angle；Spiral groove 31 is set For thread groove structure, flow resistance of the fluid in spiral groove 31 can be reduced, and the processing of thread groove is relatively simple；And spiral shell Groove 31 has certain helix angle so that fluid constantly improves rotation during the threadingly axial advancement of slot 31 Rate, and eddy flow is formed, achieve the effect that swirling flow atomizing, the atomizing effect of enhancing spinning liquid atomizing spray mouth 100.

It please refers to Fig.1, Fig. 3 and Fig. 4, specifically, being formed between movable flow device 3 and the inner wall of through flow hole 21 from back to front gradually The circumferential gap of reduction, the front end of movable flow device 3 are circumferentially connected to the front end of the inner wall of through flow hole 21；Due to the front end of movable flow device 3 It is circumferentially connected to the front end of the inner wall of through flow hole 21, the front end of movable flow device 3 can be fixed to naturally in overall package through-flow The front end of the inner wall in hole 21.

More specifically, through flow hole 21 is tapered, and the size of the rear end of through flow hole 21 is more than the size of the front end of through flow hole 21； And the part anteroposterior dimension that movable flow device 3 is located in through flow hole 21 is in the same size, install movable flow device 3 when, by the front end of movable flow device 3 by The rear end of through flow hole 21 is gradually put into through flow hole 21, until the front end of movable flow device 3 is connected to the front end of the inner wall of through flow hole 21.

Specifically, spout 22 includes bellmouth 221 and fluid outlet 222, the size of the front end of bellmouth 221 is less than taper The rear end of the size of the rear end in hole 221, bellmouth 221 is connected with the front end of through flow hole 21, fluid outlet 222 and bellmouth 221 Front end be connected；Spout 22 is arranged to rear big preceding small form, the flow area of 22 rear end of spout is more than the through-flow face of front end Product so that after fluid enters the bellmouth 221 of spout 22, via the larger rear end of flow area enter flow area it is smaller before Flow rate is accelerated at end, enhances atomizing effect.

Preferably, in order to make spinning liquid atomizing spray mouth 100 have larger spray angle, avoid as far as possible spray dead zone, In the present embodiment, the lower base angle of 221 axial cross section of bellmouth is substantially set as 40 degree, and the upper base angle of 21 axial cross section of through flow hole Substantially 100 degree, but should not be as limit, it in other embodiments can according to demand will be under 221 axial cross section of bellmouth Base angle, 21 axial cross section of through flow hole upper base angle be arranged to other angles.

Specifically, cavity 11 is formed with the stopper section 113 of inside projection, distribution ring 4 in the rear side of distribution ring mounting hole 112 Backstop is connected to distribution ring 4 in stopper section 113, the rear end of movable flow device 3；It thereby designs, distribution ring 4 can be prevented to be displaced, Convenient for distribution ring 4 is located in distribution ring mounting hole 112.

It please refers to Fig.1, Fig. 4 and Fig. 5, specifically, the rear end of movable flow device 3 is formed in spherical positioning head 32, distribution ring 4 Middle part be formed with rounded location hole 42,32 part of positioning head stretches into location hole 42 and is connected to the front end edge of location hole 42 At edge；Thereby, enable to 4 strong fix of distribution ring in distribution ring mounting hole 112, meanwhile, can also it be convenient for movable flow device 3 It is fixed.In the present embodiment, location hole 42 is arranged in the center of distribution ring 4, and distribution ring 4 is provided with 3 tap holes 41,3 tap holes 41 are arranged around location hole 42, but should not can be arranged according to actual conditions in specific implementation as limit Different number of tap hole 41；Preferably, 3 tap holes are centrosymmetric setting, and 3 tap holes 41 respectively with location hole 42 Connection.

More specifically, the front end of movable flow device 3 is circumferentially connected to the front end of the inner wall of through flow hole 21, and the rear end of spout 2 is in certainly The pyramidal structure being gradually reduced before backward；It thereby designs, it is fixed to the circumferential direction of movable flow device 3 to may be implemented under the cooperation of distribution ring 4 Position, and the spout 2 of tapered structure can play the role of limiting the axial movement of movable flow device 3, realize movable flow device 3 and distribution ring 4 Stablize installation；Moreover, the pyramidal structure that spout 2 is arranged to be gradually reduced from back to front, can accelerate the flowing speed of fluid Rate, to improve atomizing effect.

It please refers to Fig.1, Fig. 2 and Fig. 5, specifically, cavity 11 is formed with the first cushion chamber between distribution ring 4 and nozzle 2 114, the outer peripheral edge of the first cushion chamber 114 exceeds distribution ring 4 outward；Thereby, the fluid hair flowed out by tap hole 41 can be prevented Raw strenuous exercise, the flow rate of stabilized fluid, it is ensured that the granular size and spray angles of atomized drop are consistent；It can subtract simultaneously The flow resistance of small fluid.In the present embodiment, under 2m/s spray flow rates, 100 fluid inlet of spinning liquid atomizing spray mouth and stream Total pressure head between body outlet 222 is less than 0.4MPa.

It please refers to Fig.1 and Fig. 3, specifically, nozzle mounting hole 111, the front end convex of nozzle 2 are stretched out in the front end of nozzle 2 If being formed with cricoid fixed part 23, fixed part 23 and the forward end seal of nozzle boss 1 are welded；Thereby, nozzle 2 can be sealed solid It is scheduled on the front end of nozzle boss 1.

Specifically, being formed with axial gap between fixed part 23 and the front end of nozzle boss 1, gasket is equipped at axial gap Piece 5, sealing welding between fixed part 23, gasket seal 5 and the front end of nozzle boss 1；Thereby, it improves between nozzle 2 and nozzle boss 1 Leakproofness.

Specifically, nozzle 1 is concaved with spacer groove 24 in the position of corresponding axial gap, gasket seal 5 is located in pad Film trap 24, the protruding spacer groove in the outside of gasket seal 5 24；Thereby design, further improve nozzle 2 and nozzle boss 1 it Between leakproofness.

More specifically, the inner wall of nozzle mounting hole 111 is formed with internal thread structure, and the rear end of nozzle 2 is formed with and nozzle The external thread structure of the internal thread structure cooperation of mounting hole 111；Thereby, nozzle 2 is firm in nozzle mounting hole 111 While, it is connected by internal and external threads and seals the junction between fixed part 23, gasket seal 5 and the front end of nozzle boss 1 The mode of welding can further promote the leakproofness between nozzle 2 and nozzle boss 1.

It please refers to Fig.1, Fig. 2 and Fig. 5, specifically, during the spinning liquid atomizing spray mouth 100 for high temperature and high pressure environment further includes The rear end of the mother liquor pipe fitting 6 of hollow structure, cavity 11 is formed with connector mounting hole 115, the forward end seal installation of mother liquor pipe fitting 6 In connector mounting hole 115；The thereby design of mother liquor pipe fitting 6 and connector mounting hole 115, can be by spinning liquid atomizing spray mouth 100 It is connected to external mother liquor equipment (not shown), can be entered via mother liquor pipe fitting 6 by the mother liquor of external mother liquor equipment outflow and be shunted Hole 41.

More specifically, the inner wall of connector mounting hole 115 is formed with internal thread structure, and the front end of mother liquor pipe fitting 6 is formed with The external thread structure coordinated with the internal thread structure of connector mounting hole 115, the rear end of mother liquor pipe fitting 6 and nozzle mounting seat 111 Circumferential seal welds；Thereby design, can be firm in connector mounting hole 115 by the front end of mother liquor pipe fitting 6, and pass through Internal and external threads connect and by the mode of mother liquor pipe fitting 6 and the junction sealing welding of the rear end of nozzle mounting seat 111, Neng Goujin One step promotes the leakproofness between mother liquor pipe fitting 6 and nozzle boss 1, but also the connection between mother liquor pipe fitting 6 and nozzle boss 1 It is more firm.

Referring to Fig. 2, specifically, the rear end of cavity 11 is formed with connector mounting hole 115, connector mounting hole 115 and distribution The second cushion chamber 116 is formed between ring mounting hole 112, the second cushion chamber 116 includes that cylindrical first positioned at rear end is slow Portion 1161 and the second tapered buffer part 1162 positioned at front end are rushed, the size of the rear end of the second buffer part 1162 is more than second The size of the front end of buffer part 1161, the front end of the first buffer part 1161 are connected with the rear end of the second buffer part 1162, and first is slow The outer peripheral edge for rushing portion 1161 exceeds connector mounting hole 115 outward；It thereby designs, while the flow rate of stabilized fluid, subtracts The small flow resistance of fluid.In the present embodiment, the front end of the second buffer part 1161 extends to form forward only along cavity 11 Stopper 113.

Preferably, in order to prevent due to different materials caused by characteristic difference under high temperature and high pressure environment contact surface it Between mutual damage, in the present embodiment, the material of the structure members such as nozzle boss 1, nozzle 2, movable flow device 3, distribution ring 4 is identical, But it should not be as limit.

Referring to Fig. 1, in the present embodiment, mother liquor pipe fitting 6 is connected with blind flange 7, and blind flange 7 is by mother liquor pipe fitting 6 It is connected with external mother liquor equipment；In the present embodiment, blind flange 7 is connected by welding with mother liquor pipe fitting 6.Preferably, female Three centering poles 8 are arranged symmetrically on liquid pipe connection 6, centering pole 8 can coordinate with external equipment (not shown), convenient for atomization Rotation and centering when spray angle 100 is installed；In the present embodiment, centering pole 8 is welded on mother liquor pipe fitting 6, but should not be with This is limited.

For technical scheme of the present invention detailed further, describe to be used for by taking specific embodiments of the present invention as an example below The assemble method and installation process of the spinning liquid atomizing spray mouth 100 of high temperature and high pressure environment.

First, nozzle boss 1 is threadedly coupled with mother liquor pipe fitting 6, distribution ring 4 is inserted by nozzle mounting hole 111 and is distributed Ring mounting hole 112；Then, gasket seal 5 is mounted in spacer groove 24, then movable flow device 3 is put into through flow hole 21, and make rotation The front end of liquid device 3 is connected to the front end of the inner wall of through flow hole 21；Then, nozzle 2 is threadedly coupled with nozzle boss 1, until spinning liquid The positioning head 32 of device 3 stretches into the location hole 42 of distribution ring 4 and is connected at the front edge of location hole 42, at this time nozzle 2 and spray Headstock 1 is also mounted to position, and gasket seal 5 is extruded between the front end of nozzle boss 1 and the fixed part of nozzle 2；Then, in mother liquor pipe Connector 6 is symmetrically welded three centering poles 8 apart from 1 appropriate position of nozzle boss, then from the rear end Method for Installation of mother liquor pipe fitting 6 Blue lid 7；Finally, to blind flange 7 and the periphery of the junction of mother liquor pipe fitting 6, the junction of nozzle boss 1 and mother liquor pipe fitting 6 Periphery and 23 gasket seal 5 of fixed part and the periphery of 1 junction of nozzle boss welded.

The specific work process of the spinning liquid atomizing spray mouth 100 for high temperature and high pressure environment of the present invention is：Fluid is by carrying For mother liquor equipment enter mother liquor pipe fitting 6 after, into the second cushion chamber 116, uniformly divided after being flowed out by the second cushion chamber 116 Three round tap holes 41 of distribution ring 4 are fitted on, at this point, fluid is accelerated；The fluid flowed out by tap hole 41 delays into first Chamber 114 is rushed, through flow hole 21 is entered back into, then by the thread groove 31 outside movable flow device 3, at this point, fluid is accelerated again；Fluid By entering bellmouth 221 after thread groove 31, then by bellmouth 221, at this point, fluid is accelerated again；It is flowed by bellmouth 221 The fluid gone out enters fluid outlet 222, finally quickly sprays into high temperature and pressure by fluid outlet 222 in the form of misty droplet In pressure vessel, the effect of fast cooling decompression is realized.

Compared with prior art, the rear side in nozzle 2 is arranged in distribution ring 4 of the invention, and movable flow device 3 is arranged in nozzle 2 In through flow hole 21, the fluid into spinning liquid atomizing spray mouth 100 enters through flow hole 21 via the tap hole 41 of distribution ring 4, passes through After spiral groove 31 outside movable flow device 3, sprayed by spout 22；The present invention will by least two tap holes 41 of distribution ring 4 Fluid into distribution ring 4 is divided at least two strands, accelerates the flow rate of fluid, reduces the flow resistance of fluid and raising The uniformity of atomized drop enables a fluid to the circumferential region that is faster more uniformly distributed to movable flow device 3, enhancing atomization effect Fruit；Moreover, when the fluid into through flow hole 21 passes through the spiral groove 31 outside movable flow device 3, it is accelerated again, subsequently into cone Shape hole 221 is accelerated when by bellmouth 221 so that again with sufficiently large speed when fluid is sprayed by fluid outlet 222 Rate, atomizing effect are more preferable；In addition, periphery, nozzle boss 1 and the mother liquor pipe fitting 6 of blind flange 7 and the junction of mother liquor pipe fitting 6 Junction periphery and fixed part 23, gasket seal 5 and nozzle boss 1 junction periphery sealing welding, overall structure is close Envelope property and safety are good；Further, since the structure members such as the nozzle boss 1 of the present invention, nozzle 2, movable flow device 3, distribution ring 4 are all made of Identical material, the contact surface of each structure member be not present because of material the characteristic under high temperature and high pressure environment it is different due to caused by phase Mutually damage；And spinning liquid atomizing spray mouth 100 is integrated, and does not have between distribution ring 4, movable flow device 3, nozzle 2 and nozzle boss 1 There is relative motion, there is no the mutual frictional dissipations between structure member, and it is firm that overall structure more consolidates, and can be suitable for height Warm hyperbaric environment；Moreover, the spinning liquid atomizing spray mouth 100 of the present invention is simple in structure, making easy to process.

Above disclosed is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly It encloses, therefore according to equivalent variations made by scope of the present invention patent, still falls within the range that the present invention is covered.

Claims (17)

1. a kind of spinning liquid atomizing spray mouth for high temperature and high pressure environment, which is characterized in that including：Nozzle boss, nozzle, movable flow device And distribution ring, the nozzle boss have pre-and post perforative cavity, the cavity include positioned at its front end nozzle mounting hole with And the distribution ring mounting hole on rear side of the nozzle mounting hole, the distribution ring be set to the distribution ring mounting hole, described point With at least two tap holes are equipped with, in the nozzle mounting hole, the nozzle has through flow hole and spout, institute for the nozzle setting Through flow hole is stated rearwardly through the nozzle, the rear end of the spout is connected to the front end of the through flow hole, the front end of the spout Run through the nozzle forward, the movable flow device is set to the through flow hole, and the movable flow device is externally formed with spiral groove, described The front end of spiral groove and the spout connection.

2. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the spiral is recessed Slot is the thread groove with certain helix angle.

3. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the movable flow device The circumferential gap being gradually reduced from back to front is formed between the inner wall of the through flow hole, the front end of the movable flow device circumferentially abuts In the front end of the inner wall of the through flow hole.

4. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 3, which is characterized in that the through flow hole Tapered, the size of the rear end of the through flow hole is more than the size of the front end of the through flow hole.

5. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the spout packet Bellmouth and fluid outlet are included, the size of the front end of the bellmouth is less than the size of the rear end of the bellmouth, the taper The rear end in hole is connected with the front end of the through flow hole, and the fluid outlet is connected with the front end of the bellmouth.

6. as described in claim 1 be used for high temperature and high pressure environment spinning liquid atomizing spray mouth, which is characterized in that the cavity in It is formed with the stopper section of inside projection on rear side of the distribution ring mounting hole, the distribution ring backstop is described in the stopper section The rear end of movable flow device is connected to the distribution ring.

7. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 6, which is characterized in that the movable flow device Rear end be formed in spherical positioning head, be formed with rounded location hole, the positioning head in the middle part of the distribution ring Divide and stretches into the location hole and be connected at the front edge of the location hole.

8. the spinning liquid atomizing spray mouth for high temperature and high pressure environment as claimed in claims 6 or 7, which is characterized in that the rotation The front end of liquid device is circumferentially connected to the front end of the inner wall of the through flow hole.

9. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 8, which is characterized in that the spout Rear end is in the pyramidal structure being gradually reduced from back to front.

10. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the cavity The first cushion chamber is formed between the distribution ring and the nozzle, the outer peripheral edge of first cushion chamber is outward beyond described Distribution ring.

11. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the nozzle Front end stretch out the nozzle mounting hole, the outside projection in front end of the nozzle is formed with cricoid fixed part, the fixed part It is welded with the forward end seal of the nozzle boss.

12. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 11, which is characterized in that the fixation It is formed with axial gap between portion and the front end of the nozzle boss, is equipped with gasket seal at the axial gap, the fixed part, Sealing welding between gasket seal and the front end of nozzle boss.

13. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 12, which is characterized in that the nozzle It is concaved with spacer groove in the position of the correspondence axial gap, the gasket seal is located in the spacer groove, described close The protruding spacer groove in outside of gasket.

14. as claim 11 to 13 any one of them is used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment, feature exists In the inner wall of the nozzle mounting hole is formed with internal thread structure, and the rear end of the nozzle is formed with and the nozzle mounting hole Internal thread structure cooperation external thread structure.

15. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that in further including The rear end of the mother liquor pipe fitting of hollow structure, the cavity is formed with connector mounting hole, the forward end seal peace of the mother liquor pipe fitting Mounted in the connector mounting hole.

16. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as claimed in claim 15, which is characterized in that the connector The inner wall of mounting hole is formed with internal thread structure, and the front end of the mother liquor pipe fitting is formed with the interior spiral shell with the connector mounting hole The rear end circumferential seal of the external thread structure of line respective outer side edges, the mother liquor pipe fitting and the nozzle mounting seat welds.

17. being used for the spinning liquid atomizing spray mouth of high temperature and high pressure environment as described in claim 1, which is characterized in that the cavity Rear end be formed with connector mounting hole, be formed with the second cushion chamber between the connector mounting hole and the distribution ring mounting hole, Second cushion chamber includes the second tapered buffer part positioned at cylindrical the first buffer part of rear end and positioned at front end, The size of the rear end of second buffer part is more than the size of the front end of second buffer part, the front end of first buffer part It is connected with the rear end of second buffer part, the outer peripheral edge of first buffer part exceeds the connector mounting hole outward.