CN203443472U - Rotary low-damping and energy-saving falling water splashing device - Google Patents

Abstract

The utility model relates to a rotary low-damping and energy-saving falling water splashing device, which comprises a connecting pipe, a supporting rack, a water splashing rotating disc and a rolling bearing, wherein the supporting rack is fixedly arranged at the lower part of the connecting pipe, and a one-piece rotating shaft is arranged at the center of the lower end of the water splashing rotating disc; a projecting water splashing sphere is arranged on the upper end surface of the water splashing rotating disc, and guide fins with a radial included angle are uniformly arranged on the edge of the circumference of the water splashing rotating disc and extend to the water splashing sphere to form water dividing grooves; a seat body is arranged at the bottom of the supporting rack, and a mounting hole is formed at the center of the seat body. The water splashing rotating disc can be freely and rotatably arranged in the mounting hole in the seat body through the one-piece rotating shaft and the rolling bearing, accordingly, such a structure has good stability, the fins around the water splashing disc are not easily broken, are not easily blocked in running, do not tilt, and have no hollowed phenomenon, the device is most suitable for water distribution systems of natural draft cooling towers, and the ability of long-term efficient economic operation of the cooling towers is greatly improved.

Description

The energy-conservation overboard spraying and splashing facility of a kind of rotary low resistance

Technical field:

The utility model relates to a kind of for the overboard spraying and splashing facility in cooling tower, especially designs a kind of rotary overboard spraying and splashing facility.

Background technology:

The effect of cooling tower is that cooling water is carried out to heat exchange at Ta Nei and air, makes used heat be transferred to air and spills into atmosphere, and the operation principle of cooling tower is from the recirculated water with uniform temperature of condenser outflow, by device for cleaning pipeline, to cross vertical shaft to send into hot water dispensing system.This distribution system is netted layout in the plane, groove-splitting water distribution, tubular type water distribution or barrel are in conjunction with water distribution, then by overboard spraying and splashing facility, hot water is transformed into little water droplet, after being spread across on packing, Cheng Yuzhuan falls into cistern, cold air enters tower body from air inlet, and through the rain belt under packing, and hot water rain stream forms heat convection, by packing, then from the outlet of tower cylinder top, discharge after reclaiming airborne water droplet by dehydrater.From the effect of cooling tower, principle, can find out that overboard spraying and splashing facility is one of important device affecting cooling tower heat exchange efficiency.Hot water is spread across on packing and will be obtained different cooling tower heat exchange efficiencies by different spraying and splashing facility.At present, use overboard spraying and splashing facility in cooling tower, can make to enter recirculated water in the cooling tower nozzle casing by spraying and splashing facility and flow out, and charge and attack and on water spreading disc, produce splatter fine liquid particles, fine liquid particles drops on packing cooling by air.Due to the splatter fine liquid particles skewness that existing overboard spraying and splashing facility produces, stability is also undesirable, causes cooling tower heat exchange efficiency to be difficult to reach desirable requirement, and the potential of the heat exchange efficiency of cooling tower is not given full play to.Huanqiu Cooling Apparatus Co., Ltd., Changzhou discloses a kind of centrifugal high-efficiency splashing device in Chinese patent ZL200920302958.0, it has tube connector, bracing frame and water spreading disc, bracing frame is fixedly installed on tube connector bottom, and water spreading disc is circular, is arranged on bracing frame; On bracing frame, be rotationally connected runner, runner is arranged on water spreading disc below, has the toroidal frame that is arranged on water spreading disc circumferential edges, is uniformly distributed and has the radially blade of angle on toroidal frame, and blade upper end is higher than water spreading disc.Below water spreading disc, rotate runner is set, on runner, be uniformly distributed and there is the radially blade of angle, when water slug is on water spreading disc radially during sputter, can effectively drive runner to rotate, the centrifugal action producing by rotation throws away water droplet, thereby it is large to have formed the scope of dabbling, splatter water droplet is tiny, and water distribution sprays splatter effect uniformly; Therefore, in cooling tower, can reduce the distributed quantity of overboard spraying and splashing facility, facilitate installation and maintenance, reduce operation cost, there are higher practicality and good market prospects.

Although this centrifugal high-efficiency splashing device has above-mentioned advantage, but also there is following shortcoming in actual use procedure: runner is installed in rotation on bracing frame by water spreading disc, it between the mandrel of runner and water spreading disc lower end, is gap sleeve structure, the too small rotation flexibility that not only can affect runner in gap, and can increase frictional resistance, excesssive gap can make runner in rotation process, produce swing, also can accelerate rotation friction between the two simultaneously, reduction of service life, when fit clearance is between the two overproof, can produce the stuck phenomenon that do not turn of runner, thereby cause making centrifugal spraying and splashing facility to lose efficacy, once occurring these feelings cannot repair, must can only integral replacing, workload is very large, the service life that facts have proved centrifugal like this spraying and splashing facility is not long, the workload of maintain and replace is very large, dependability is difficult to guarantee.

In order further to improve the dependability of centrifugal spraying and splashing facility, applicant has carried out rotationization to existing fixed spraying and splashing facility and has improved design, not only its technique effect is better than disclosed centrifugal high-efficiency splashing device in ZL200920302958.0, and structure is simpler, reliability of operation is higher, has both been convenient to manufacture, can reduce costs again, both be applicable to newly-built cooling tower, and be also applicable to renovating of old cooling tower, adaptability is more extensive.

Utility model content:

The purpose of this utility model is to provide the energy-conservation overboard spraying and splashing facility of a kind of rotary low resistance, it is simple in structure, the plate-spinning that dabbles operates steadily reliably, and water droplet splash is even, good heat dissipation effect, both in being beneficial to manufacture, be convenient to again maintenance, can also reduce costs, be both suitable for newly-built cooling tower, also be suitable for renovating of old cooling tower, adaptability is more extensive.

The technical scheme that the utility model is taked is:

The energy-conservation overboard spraying and splashing facility of a kind of rotary low resistance, it is characterized in that: comprise tube connector, bracing frame, plate-spinning and rolling bearing dabble, support frame as described above is fixedly installed on the bottom of tube connector, in bracing frame bottom, be provided with pedestal, center at pedestal is provided with installing hole, center in the plate-spinning lower end that dabbles is provided with disjunctor rotating shaft, the plate-spinning upper surface that dabbles is the sphere that dabbles of projection, at the plate-spinning circumferential edges that dabbles, be evenly provided with the radially guide fins of angle, guide fins extends to and dabbles on sphere, between adjacent two guide fins, form bypass channel, dabble plate-spinning by disjunctor rotating shaft and rolling bearing free to rotate be arranged in the installing hole on pedestal.

Further, rolling bearing is arranged in the installing hole on pedestal by bearing block.

Further, between the endoporus of rolling bearing and the cylindrical of disjunctor rotating shaft, be interference fits; Between the cylindrical of rolling bearing and the endoporus of bearing block, it is interference fits; It between the cylindrical of bearing block and installing hole, is interference fits.

Further, in the bottom surface of the plate-spinning that dabbles, be provided with equably reinforcement.

Further, at the hypomere of disjunctor rotating shaft, be thread segment, after the plate-spinning that dabbles is arranged in the installing hole on pedestal, by packing ring and clamp nut, realize the axial restriction to the plate-spinning that dabbles.

In the utility model, at the plate-spinning center that dabbles, establish the bossed sphere that dabbles, its effect is identical with water spreading disc of the prior art; Several are set on the plate-spinning neighboring that dabbles and there is the radially guide fins of angle, its effect is identical with runner of the prior art, the utility model has carried out integrated design by water spreading disc of the prior art and runner, not only simplified the structure of centrifugal spraying and splashing facility, reduced production mould quantity, be more conducive to manufacture and reduce production costs.The plate-spinning that dabbles is arranged on pedestal by rolling bearing, the plate-spinning running resistance that can make to dabble is less, rotate more steady, more reliable, under equal impact force action, the plate-spinning speed of service that dabbles is faster, the drop size splashing is even, distribution is more stable more greatly, the overboard region area that splashes can increase by 8%～10%, good heat dissipation effect, such structure is both in being beneficial to manufacture, be convenient to again maintenance, after rolling bearing wear out failure, as long as change rolling bearing, can recover normal precision, both be applicable to newly-built cooling tower, also applicable old cooling tower renovates, adaptability is more extensive.More than the centrifugal spraying and splashing facility of this structure can make flow of hot water reflection upthrow 200mm, hot water aloft operating path and time have been extended, be more conducive to current flip shot and throw evenly loose, the current that vertically fall can also be converted to horizontal direction, be mapped in the periphery guide fins of the plate-spinning that dabbles, when current direction penetrates, strengthened the impulsive force of current to guide fins outward, the drive plate-spinning directional-rotation that dabbles, bypass channel can make current evenly throw away along the tangential direction of guide fins.Because the plate-spinning that dabbles ceaselessly rotates even water dumping, water droplet is sent out equably, reach good splatter and cooling effect; Head better adaptability, the radius that dabbles is larger, and hot water is operating path and time lengthening aloft, and the water droplet that dabbles is more tiny evenly, and tiny water droplet forms thinner moisture film in filler, is conducive to hot water cooling; The size of nozzle can arbitrarily be arranged in pairs or groups, and makes water tower Internal and external cycle water distribution more reasonable.So just can make current not produce Impact energy loss, the plate-spinning that dabbles of rotation can make the dispersion water droplet penetrating send out equably, eliminated former reflection-type spraying and splashing facility obstruction, turn around etc. to damage phenomenon, reduce maintenance workload, reduce maintenance cost.And direct like this by guide fins be arranged on that the stabilized structure of the plate-spinning periphery that dabbles is good, the guide fins of the plate-spinning periphery that dabbles not easy fracture, difficult obstruction in service, not crooked, without hollow phenomenon, be highly suitable for the water distribution system of cooling stack, greatly improved the ability of the long-term high-efficiency and economic operation of cooling tower.

Accompanying drawing explanation:

Fig. 1 is a kind of structural representation of the present utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the assembling schematic diagram of plate-spinning, rolling bearing, bearing block, packing ring and clamp nut of dabbling;

Fig. 4 dabbles the A of plate-spinning to view in Fig. 3;

Fig. 5 dabbles the B of plate-spinning to view in Fig. 3;

In figure, 1-tube connector; 2-tri-muscle bracing frames; The 3-plate-spinning that dabbles; 4-rolling bearing; 5-bearing block; 6-packing ring; 7-clamp nut; 8-nozzle casing; 21-pedestal; 22-installing hole; The rotating shaft of 31-disjunctor; The 32-sphere that dabbles; 33-guide fins; 34-bypass channel; 35-reinforcement; 81-step limit.

The specific embodiment:

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described:

Embodiment 1:

The energy-conservation overboard spraying and splashing facility of a kind of rotary low resistance, as shown in Fig. 1～5: comprise tube connector 1, three muscle formula bracing frames 2, the plate-spinning 3 that dabbles, rolling bearing 4, bearing block 5, packing ring 6, clamp nut 7 and nozzle casing 8, the upper end of three muscle of support frame as described above 2 is fixedly installed on the bottom of tube connector 1 equably, the lower end of three muscle merges into pedestal 21, is provided with installing hole 22 on pedestal 21; Center in plate-spinning 3 lower ends that dabble is provided with disjunctor rotating shaft 31, the sphere 32 that dabbles that plate-spinning 3 upper surfaces are projection dabbles, at plate-spinning 3 circumferential edges that dabble, be evenly provided with the radially guide fins 33 of angle, guide fins 33 extends to and dabbles on sphere 32, between adjacent two guide fins 33, forms bypass channel 34; Dabble plate-spinning 3 by disjunctor rotating shaft 31 and rolling bearing 4 free to rotate be arranged in the installing hole 22 on pedestal 21, rolling bearing 4 is arranged in the installing hole 22 on pedestal 21 by bearing block 5.In this example, the material of rolling bearing 4, bearing block 5, packing ring 6 and clamp nut 7 is nylon, between the endoporus of rolling bearing 4 and the cylindrical of disjunctor rotating shaft 31, is interference fits; It between the endoporus of the cylindrical of rolling bearing 4 and bearing block 5, is interference fits; Between the cylindrical of bearing block 5 and installing hole 22, it is interference fits, on plate-spinning 3 bottom surfaces that dabble, be provided with equably four reinforcements 35, hypomere in disjunctor rotating shaft 31 is thread segment, after the plate-spinning 3 that dabbles is arranged in the installing hole 22 on pedestal 21, by packing ring 6 and clamp nut 7, the axial restriction of realization to the plate-spinning 3 that dabbles, at the interior nozzle casing 8 that arranges of tube connector 1, is provided with the step limit 81 suitable with tube connector 1 upper end external diameter in the upper end of nozzle casing 8.

Claims (5)

1. the energy-conservation overboard spraying and splashing facility of rotary low resistance, it is characterized in that: comprise tube connector (1), bracing frame (2), plate-spinning (3) and rolling bearing (4) dabble, support frame as described above (2) is fixedly installed on the bottom of tube connector (1), in bracing frame (2) bottom, be provided with pedestal (21), in the center of pedestal (21), be provided with installing hole (22), center in the plate-spinning that dabbles (3) lower end is provided with disjunctor rotating shaft (31), the sphere that dabbles (32) that plate-spinning (3) upper surface is projection dabbles, at the plate-spinning that dabbles (3) circumferential edges, be evenly provided with the radially guide fins of angle (33), guide fins (33) extends on the sphere that dabbles (32), between adjacent two guide fins (33), form bypass channel (34), dabble plate-spinning (3) by disjunctor rotating shaft (31) and rolling bearing (4) free to rotate be arranged in the installing hole (22) on pedestal (21).

2. the energy-conservation overboard spraying and splashing facility of rotary low resistance according to claim 1, is characterized in that: rolling bearing (4) is arranged in the installing hole (22) on pedestal (21) by bearing block (5).

3. the energy-conservation overboard spraying and splashing facility of rotary low resistance according to claim 2, is characterized in that: between the endoporus of rolling bearing (4) and the cylindrical of disjunctor rotating shaft (31), be interference fits; Between the endoporus of the cylindrical of rolling bearing (4) and bearing block (5), it is interference fits; Between the cylindrical of bearing block (5) and installing hole (22), it is interference fits.

4. the energy-conservation overboard spraying and splashing facility of rotary low resistance according to claim 1, is characterized in that: in the bottom surface of the plate-spinning that dabbles (3), be provided with equably reinforcement (35).

5. the energy-conservation overboard spraying and splashing facility of rotary low resistance according to claim 1, it is characterized in that: the hypomere in disjunctor rotating shaft (31) is thread segment, after the plate-spinning (3) that dabbles is arranged in the installing hole (22) on pedestal (21), by packing ring (6) and clamp nut (7), realize the axial restriction to the plate-spinning that dabbles (3).

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