CN208494612U - Submerged polylinker cavitation spray head - Google Patents

Abstract

Submerged polylinker cavitation spray head, including a water inlet, three water outlets and the cavitating nozzle being connected on three water outlets, the cavitating nozzle includes using the sequentially connected spring leaf spout of screw thread, turbulence cavity and diversion cavity；Concussion is provided in turbulence cavity；Diversion trench is provided on water conservancy diversion cavity wall；When liquid enters in cavitating nozzle, the irregular movement for causing concussion sub can also cause the vibration of reed, these fluctuations have very strong release effect to by clean body surface pollutant；The high density cavitation bubble generated due to the effect of barometric gradient, these cavitation bubbles body surface part tiny area crumble and fall generation powerful microjet impact force can also clean hard dirt and attachment marine growth, therefore, the exploitation and application of cavitation jet underwater cleaning technology, it is all of great significance to ship or even all facilities of long-term soaking in water, solves the Underwater Engineering problem for perplexing people for a long time.

Description

Submerged polylinker cavitation spray head

Technical field

The utility model relates to fluid technique fields, in particular to spray by the submerged polylinker cavitation of principle of cavitation Head.

Background technique

Currently, the exploitation with ocean to ocean, the more tired oceanographic equipment also the more, due to ship, bridge, ocean platform etc. Long-term soaking causes a large amount of bacterial adhesions in its material table in the marine biological environment of strong corrosive seawater and strong adhesive force Face forms very thick adhesive layer and schmutzband, has a significant impact in view of these attachments to shipping sail speed and equipment life, Therefore, the cleaning of oceanographic equipment will be a very huge engineering.

For domestic and international cleaning technique and the analysis of application.Cleaning way has dock cleaning and underwater cleaning at present, including Spatula technology, sandblast technology turn brush technology, sound field technology, high pressure and ultra-high pressure water fluid jet technology, abrasive water jet Flow Technique, flood Do not have type cavitating water jet technology；Spatula technical efficiency is low, cleaning is long in time limit, is no longer main wash mode, frequently as nondominant hand Section occurs.Grit blasting operation is simple, and equipment cost is cheap, but environmental pollution is serious, endangers workers ' health.Turn brush suitable for soft The cleaning of biology, and to the difficult removal of shelf-like biology.Abrasive water-jet harmony field technology is due to still needing into one there are technological difficulties Step research.Cleaning by High Pressure Water Jet is efficient, but safety operation needs professional training, and secondary rust problem is serious.Superelevation is pressed into Set cleaning equipment can be well solved the recycling for returning rust problem and waste water and dregs.But these cleaning techniques generally can be to the base of ship Priming coat generates destruction.

Summary of the invention

In order to overcome the shortcomings of above-mentioned cleaning technique, the purpose of this utility model is to provide the sprays of submerged polylinker cavitation Head, the cavitation spray head are to utilize cavitation bubble in pulsation and rupture, in a liquid the strong sound such as generation sound miniflow, spray and shock wave Effect, the impurity on peel sample surface, achievees the purpose that cleaning.

In order to achieve the above object, the technical solution of the utility model is achieved in that

Submerged polylinker cavitation spray head, including a water inlet A, three water outlet Bs and it is connected to three water outlet Bs On cavitating nozzle, the cavitating nozzle include use the sequentially connected spring leaf spout 4 of screw thread, turbulence cavity 1 and diversion cavity 2；Concussion 3 is provided in turbulence cavity 1；Diversion trench is provided on 2 inner wall of diversion cavity；

For the spring leaf spout 4 to be horn-like made of flexible material, edge is broached-tooth design, is arranged in spout central There is vibration reed 5 to form narrow slit.

The water inlet A and three water outlet Bs is mutually 120 °, to offset the axial reaction force with radial direction of water inlet.

The inside of described concussion 3 is hollow, and drives that there are six holes.

Compared with the prior art, the utility model has the following advantages:

(1) enhance cavitation wave resonance effect plus vibration reed 5 to cavitation spray head.

(2) three nozzle connection of submerged is used, cleaning area is increased；And a part can be offset axially and radially Reaction force；Erosion effect can be improved under floodage.

(3) the cavitation jet cleaning of low-pressure can guarantee while taking out stains, and does not destroy surface processed and paints Antifouling corrosion-inhibiting coating；Security performance is high, will not cause danger to user, be capable of the safety of effective guarantee operating personnel.

Detailed description of the invention

Fig. 1 is the structure composition schematic diagram of the utility model.

Fig. 2 is the entery and delivery port schematic diagram of the utility model.

Fig. 3 is the cavitating nozzle structural schematic diagram of the utility model.

Fig. 4 is the slit schematic diagram of the utility model spring leaf spout 4.

Fig. 5 is the cross-sectional view of the utility model spring leaf spout 4.

Specific embodiment

With reference to the accompanying drawings and detailed description, the utility model is further described:

Referring to Fig.1, Fig. 2, Fig. 3, submerged polylinker cavitation spray head, including a water inlet A, three water outlet Bs and The cavitating nozzle being connected in three water outlet Bs, the cavitating nozzle include using the sequentially connected spring leaf spout of screw thread 4, turbulence cavity 1 and diversion cavity 2；Concussion 3 is provided in turbulence cavity 1；Diversion trench is provided on 2 inner wall of diversion cavity.

Reference Fig. 3, Fig. 4, Fig. 5, for the spring leaf spout 4 to be horn-like made of flexible material, edge is sawtooth knot Structure is provided with vibration reed 5 in spout central and forms narrow slit.

Referring to Fig.1, Fig. 2, the water inlet A and three water outlet Bs are mutually 120 °, axial and radial to offset water inlet Reaction force.

Referring to Fig. 3, the inside of concussion 3 is hollow, and drives that there are six holes, it has restriction effect to fluid, will increase The flow velocity of fluid reduces pressure, since the effect of barometric gradient is cavitation bubble rupture, when liquid is sprayed from spout, and bar shaped spray Outwardly extending vibration reed 5 is provided with before mouthful, spray orifice is divided into two parallel slits by spring leaf, referring to Fig. 5

The working principle of the utility model are as follows: when high-pressure hydraulic pump injects highly pressurised liquid, by water inlet A, go out from three Mouth of a river B enters in three nozzles, and water inlet and three water outlets are mutually 120 °, to offset the axial reaction with radial direction of water inlet Power when liquid enters cavitating nozzle Fig. 3, by diversion cavity 2, under the guide functions of diversion trench, forms turbulent flow, causes concussion 3 vibration can generate a large amount of cavitation bubble in earthquake chamber 1, and cavitation bubble is sprayed into when having spring leaf spout 4 from narrow slit spout After out, since flow velocity is very fast and fluid viscosity effect, two string vortex will be generated in jet axis two sides, will be vortexed on narrow slit both sides It issues in turn, direction of rotation is on the contrary, these vortex rotations will lead to the jet stream laterally upper pulsating nature variation pressed, while can also draw The vibration for playing reed, will generate strong edge tones, have a vibrating effect, the liquid ejected to the schmutzband of hull An execution is also had to target body, to achieve the purpose that cleaning.When spray head operation under water, jet stream is from nozzle at high speeds After ejection, shear action is generated with surrounding static liquid or low speed circulation, vortex cavitating water jet is formed, can also enhance target body table Face execution.

Vigorous erosion when the utility model highlights cavitating water jet low pressure acts on and will not destroy the technical characterstic of coating, Highlight the advantage and necessity of underwater cleaning.Finally, the powerful dock cleaning characteristics of super-pressure are summarized, it is proposed that flood Do not have based on type cavitating water jet technology, the development trend for the hull under-water cleaning complete set of equipments that multiple technologies combine, thus real Existing low energy consumption is cleaned without destruction, environmentally protective ship fouling.

Claims (3)

1. submerged polylinker cavitation spray head, which is characterized in that including a water inlet (A), three water outlets (B) and connection Cavitating nozzle on three water outlets (B), the cavitating nozzle include using the sequentially connected spring leaf spout of screw thread (4), turbulence cavity (1) and diversion cavity (2)；It is sub (3) that concussion is provided in turbulence cavity (1)；Water conservancy diversion is provided on diversion cavity (2) inner wall Slot；For the spring leaf spout (4) to be horn-like made of flexible material, edge is broached-tooth design, is provided in spout central It shakes reed (5) and forms narrow slit.

2. submerged polylinker cavitation spray head according to claim 1, which is characterized in that the water inlet (A) and three A water outlet (B) is mutually 120 °.

3. submerged polylinker cavitation spray head according to claim 1, which is characterized in that the concussion sub (3) it is interior Portion is hollow, and is driveed there are six hole.