CN205146515U - Pulse water conservancy diversion cavitation generator - Google Patents
Pulse water conservancy diversion cavitation generator Download PDFInfo
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- CN205146515U CN205146515U CN201521016174.3U CN201521016174U CN205146515U CN 205146515 U CN205146515 U CN 205146515U CN 201521016174 U CN201521016174 U CN 201521016174U CN 205146515 U CN205146515 U CN 205146515U
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Abstract
The utility model relates to a pulse water conservancy diversion cavitation generator, including pulse cavitation shower nozzle, wear -resisting larynx neck, wear -resisting sheath and barretter, wear -resisting larynx neck is hollow cylindricality structure, its inside rifling that is equipped with, wear -resisting sheath cover is established outside the wear -resisting larynx neck and rather than fixed connection, pulse cavitation shower nozzle with wear -resisting sheath one end fixed connection, the wear -resisting sheath other end with barretter fixed connection, pulse cavitation shower nozzle, wear -resisting larynx neck and barretter communicate in proper order. The utility model discloses it is little to rinse efflux pressure, only is 10 -16MPa, can not lead to the fact danger to the user, and support personnel's safety just can guarantee to remove the dirt, guarantees not damage the paint and the antifouling anticorrosion coating that are handled on the surface simultaneously.
Description
Technical field
The utility model relates to a kind of pulse water conservancy diversion cavitation generator, belongs to cavitation jet cleaning device field.
Background technology
Cavitation is cavity (vaporization or the gasification hole) phenomenon that current or liquid stream occur suddenly at low pressure place, and coming into being of cavitation is not only relevant with the pressure for vaporization of fluid, also has direct relation with the size and number of gas core in liquid.The solid-state microparticle be mingled with in microbubble and water in water is all the gas core producing cavitation, and in occurring in nature river or seawater, microbubble is the main component of gas core.
The general principle of cavitation technique, one is utilizing of being formed of hole, and two is that cavitation bubble brings out partial high pressure and high temperature when crumbling and fall, and can be used to the physics and chemistry properties influence of fluid molecule structure.Because the bubble of current hollow has strong denudation to object plane, as also can cavitation bubble be brought out in water jet, produce the water jet with cavitation bubble, when it is impacted object plane, just can have the larger ability of degrading object plane than the water jet of non-cavitating.Therefore, cavitation jet technology is widely used in the aspect such as metallic structures surface cleaning under water, sea.
At present, the jet of the nozzle delivery port of cavitation jet cleaning is all direct injection, and cleaning efficiency is lower, and to the fouling products on cleaning object surface, the fouling products especially on offshore oil pipeline, platform leg surface can not effectively clean.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pulse water conservancy diversion cavitation generator, and the nozzle overcoming direct injection of the prior art is low to special-shaped level cleaning efficiency, clean halfway defect.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of pulse water conservancy diversion cavitation generator, comprises pulse cavitation shower nozzle, wear-resisting larynx neck, wear-resistance protective sleeve and barretter, and described wear-resisting larynx neck is hollow cylindrical structure, and its inside is provided with rifling; Described wear-resistance protective sleeve to be set in outside described wear-resisting larynx neck and to be fixedly connected with it, and described pulse cavitation shower nozzle is fixedly connected with described wear-resistance protective sleeve one end; The described wear-resistance protective sleeve other end is fixedly connected with described barretter; Described pulse cavitation shower nozzle, wear-resisting larynx neck and barretter are communicated with successively.
The beneficial effects of the utility model are: to be set in outside described wear-resisting larynx neck owing to stating wear-resistance protective sleeve and to be fixedly connected with it, described inside is provided with rifling, during the cavitation bubble operation of pulse flow-guiding type, current hollow bubble running orbit spirally acts on cleaned material surface, degrades energy force rate direct injection stronger; Cleaning efficiency is high, can be used for cleaning offshore oil pipeline, the shell marine growth such as oyster that platform leg, bridge harbour underwater portion grow year in year out; Clean range is wide, also can be used for the marine growth cleaned on the on-plane surface on dissimilar naval vessel, offshore oil platform, harbour, submarine pipeline etc.; Cleaning jet pressure is little, is only 10-16MPa, can not causes danger to user, the safety of support personnel and can ensure to remove dirt, ensures not damage the paint on processed surface and antifouling corrosion-inhibiting coating simultaneously.
On the basis of technique scheme, the utility model can also do following improvement.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, described pulse cavitation shower nozzle is cylindrical structural,
Direction along described cylindrical structural central axis is provided with hole for water spraying, and described hole for water spraying comprises truncated cone-shaped cavity and cylindrical cavity, and the stub end of described truncated cone-shaped cavity is ejiction opening, and the little head end of described truncated cone-shaped cavity is communicated with described cylindrical cavity;
Extend outward an annular sidewall along its axial direction on described pulse cavitation shower nozzle and away from the lateral wall of one end of described ejiction opening, described annular sidewall is fixedly connected with described wear-resistance protective sleeve; Described wear-resisting larynx neck one end is positioned at the cavity also cylindrical cavity connection that annular sidewall is formed.
The above-mentioned further beneficial effect of the utility model employing is: the stub end of described truncated cone-shaped cavity is ejiction opening, the little head end of described truncated cone-shaped cavity is communicated with described cylindrical cavity, namely ejiction opening and cylindrical cavity angled, cavitation bubble jet is increased progressively through pulse cavitation shower nozzle effluxvelocity, when making cavitation bubble touch body surface, produces HTHP instantaneously.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, the internal diameter of described cylindrical cavity is less than the internal diameter of described wear-resisting larynx neck, and the internal diameter of described wear-resisting larynx neck is identical with barretter delivery port diameter.
The above-mentioned further beneficial effect of the utility model employing is: the smooth jet that barretter produces makes fluid strengthen vaporization at low pressures by wear-resisting larynx neck, thus produces better cavitation effect, produces the cavitation bubble jet of helical form operating path.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, described wear-resistance protective sleeve comprises the first minor diameter, large-diameter portion and the second minor diameter that connect successively, and described first minor diameter is positioned at the cavity of described annular sidewall formation and is fixedly connected with described annular sidewall; Described barretter one end to be set in described second minor diameter and to be fixedly connected with it.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, is provided with the flange extended internally along barretter radial direction in described barretter, described flange abuts with described wear-resisting larynx neck the other end.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, degree of the twining scope of described rifling is 5-6.2 degree, and twine apart from scope 1-7 inch, the kind of rifling is increasing twist rifle.
The utility model a kind of pulse water conservancy diversion cavitation generator described above, further, described wear-resisting larynx neck adopts the alloy material of following components by weight percent to make: C1.08%, Mn1.66%, Si1.0%, Cr32.48%, Ni2.78%, Mo0.87%, W3.58%, Co56.52%, P0.02%, S0.01%.
The beneficial effect of above-mentioned further scheme is adopted to be: wear-resisting larynx footpath adds the wearability of 80% and the elasticity of 60% than ordinary steel, and the life-span will extend more than 10 times.
Containing the Co of 56.52% in wear-resisting larynx neck main material, so flexible.Owing to designing wear-resisting larynx neck, under pressure, water jet flows through narrower internal diameter from wider inner radius, then runs into suddenly the aperture of amplification, and the Incoercibility of water causes water jet to produce when colliding with narrower internal diameter vibrating.
The utility model wear-resisting larynx neck is not only wear-resistant also has elasticity, and under certain hydraulic pressure effect, jet can produce more cavitation bubble by the effect of vibration of wear-resisting larynx neck.
Accompanying drawing explanation
Fig. 1 is a kind of pulse water conservancy diversion of the utility model cavitation generator structural representation.
In accompanying drawing, the list of parts representated by each label is as follows:
1, pulse cavitation, 2, wear-resisting larynx neck, 3, wear-resistance protective sleeve, 4, barretter.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of pulse water conservancy diversion cavitation generator, comprises pulse cavitation shower nozzle 1, wear-resisting larynx neck 2, wear-resistance protective sleeve 3 and barretter 4, and described wear-resisting larynx neck 2 is hollow cylindrical structure, and its inside is provided with rifling; Described wear-resistance protective sleeve 3 to be set in outside described wear-resisting larynx neck 2 and to be fixedly connected with it, and described pulse cavitation shower nozzle 1 is fixedly connected with described wear-resistance protective sleeve 3 one end; Described wear-resistance protective sleeve 3 other end is fixedly connected with described barretter 4; Described pulse cavitation shower nozzle 1, wear-resisting larynx neck 2 and barretter 4 are communicated with successively.
Be communicated with barretter 4 by pulse water conservancy diversion cavitation generator, liquid jet produces smooth jet in barretter 4, the rotation of acceleration is done through the jet of increasing twist rifle, make liquid stream produce Peak Flow Rate by shower nozzle, and produce spiral helicine cavitation bubble jet, jet pressure is little, for 10-16MPa, danger can not be caused to user, the safety of support personnel and can ensure to remove dirt, ensure not damage the paint on processed surface and antifouling corrosion-inhibiting coating simultaneously.
A kind of pulse water conservancy diversion of the utility model cavitation generator, in a kind of detailed description of the invention, described pulse cavitation shower nozzle 1 is cylindrical structural,
Direction along described cylindrical structural central axis is provided with hole for water spraying 11, described hole for water spraying 11 comprises truncated cone-shaped cavity 111 and cylindrical cavity 112, the stub end of described truncated cone-shaped cavity 111 is ejiction opening, and the little head end of described truncated cone-shaped cavity 111 is communicated with described cylindrical cavity 112;
Extend outward an annular sidewall 113 along its axial direction on described pulse cavitation shower nozzle 1 and away from the lateral wall of one end of described ejiction opening, described annular sidewall 113 is fixedly connected with described wear-resistance protective sleeve 3; Described wear-resisting larynx neck 2 one end is positioned at the cavity of annular sidewall shape 113 one-tenth and cylindrical cavity 112 is communicated with.
A kind of pulse water conservancy diversion of the utility model cavitation generator, in other specific embodiments, described wear-resistance protective sleeve 3 comprises the first minor diameter 31, large-diameter portion 32 and the second minor diameter 33 that connect successively, and described first minor diameter 31 is positioned at the cavity of described annular sidewall 113 formation and is fixedly connected with described annular sidewall 113; Described barretter 4 one end to be set in described second minor diameter 33 and to be fixedly connected with it.
Preferably, be provided with the flange 41 extended internally along barretter 4 radial direction in described barretter 4, described flange 41 abuts with described wear-resisting larynx neck 3 the other end.
Wear-resisting larynx neck described in the utility model adopts the alloy material of following components by weight percent to make: described wear-resisting larynx neck adopts the alloy material of following components by weight percent to make: C1.08%, Mn1.66%, Si1.0%, Cr32.48%, Ni2.78%, Mo0.87%, W3.58%, Co56.52%, P0.02%, S0.01%.The wear-resisting larynx footpath of the utility model adds the wearability of 80% and the elasticity of 60% than ordinary steel, and the life-span will extend more than 10 times.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a pulse water conservancy diversion cavitation generator, is characterized in that, comprises pulse cavitation shower nozzle, wear-resisting larynx neck, wear-resistance protective sleeve and barretter, and described wear-resisting larynx neck is hollow cylindrical structure, and its inside is provided with rifling; Described wear-resistance protective sleeve to be set in outside described wear-resisting larynx neck and to be fixedly connected with it, and described pulse cavitation shower nozzle is fixedly connected with described wear-resistance protective sleeve one end; The described wear-resistance protective sleeve other end is fixedly connected with described barretter; Described pulse cavitation shower nozzle, wear-resisting larynx neck and barretter are communicated with successively.
2. a kind of pulse water conservancy diversion cavitation generator according to claim 1, it is characterized in that, described pulse cavitation shower nozzle is cylindrical structural,
Direction along described cylindrical structural central axis is provided with hole for water spraying, and described hole for water spraying comprises truncated cone-shaped cavity and cylindrical cavity, and the stub end of described truncated cone-shaped cavity is ejiction opening, and the little head end of described truncated cone-shaped cavity is communicated with described cylindrical cavity;
Extend outward an annular sidewall along its axial direction on described pulse cavitation shower nozzle and away from the lateral wall of one end of described ejiction opening, described annular sidewall is fixedly connected with described wear-resistance protective sleeve; Described wear-resisting larynx neck one end is positioned at the cavity also cylindrical cavity connection that annular sidewall is formed.
3. a kind of pulse water conservancy diversion cavitation generator according to claim 2, it is characterized in that, the internal diameter of described cylindrical cavity is less than the internal diameter of described wear-resisting larynx neck, and the internal diameter of described wear-resisting larynx neck is identical with barretter delivery port diameter.
4. a kind of pulse water conservancy diversion cavitation generator according to claim 2, it is characterized in that, described wear-resistance protective sleeve comprises the first minor diameter, large-diameter portion and the second minor diameter that connect successively, and described first minor diameter is positioned at the cavity of described annular sidewall formation and is fixedly connected with described annular sidewall; Described barretter one end to be located in described second minor diameter and to be fixedly connected with it.
5. a kind of pulse water conservancy diversion cavitation generator according to claim 4, it is characterized in that, be provided with the flange extended internally along barretter radial direction in described barretter, described flange abuts with described wear-resisting larynx neck end portion.
6. a kind of pulse water conservancy diversion cavitation generator according to any one of Claims 1-4, it is characterized in that, degree of the twining scope of described rifling is 5-6.2 degree, and twine apart from scope 1-7 inch, the kind of rifling is increasing twist rifle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016174.3U CN205146515U (en) | 2015-12-09 | 2015-12-09 | Pulse water conservancy diversion cavitation generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016174.3U CN205146515U (en) | 2015-12-09 | 2015-12-09 | Pulse water conservancy diversion cavitation generator |
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| CN205146515U true CN205146515U (en) | 2016-04-13 |
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| CN201521016174.3U Active CN205146515U (en) | 2015-12-09 | 2015-12-09 | Pulse water conservancy diversion cavitation generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396719A (en) * | 2015-12-09 | 2016-03-16 | 中国海洋工程公司 | Pulse diversion cavitation generator |
| CN111974237A (en) * | 2020-08-10 | 2020-11-24 | 大连海事大学 | Cavitation generator with special-shaped flow channel |
-
2015
- 2015-12-09 CN CN201521016174.3U patent/CN205146515U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396719A (en) * | 2015-12-09 | 2016-03-16 | 中国海洋工程公司 | Pulse diversion cavitation generator |
| CN105396719B (en) * | 2015-12-09 | 2018-06-01 | 中国海洋工程公司 | A kind of pulse water conservancy diversion cavitation generator |
| CN111974237A (en) * | 2020-08-10 | 2020-11-24 | 大连海事大学 | Cavitation generator with special-shaped flow channel |
| CN111974237B (en) * | 2020-08-10 | 2022-01-28 | 大连海事大学 | Cavitation generator with special-shaped flow channel |
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