CN201025439Y

CN201025439Y - Hydraulic acentric rotary ejection device

Info

Publication number: CN201025439Y
Application number: CNU2007200786698U
Authority: CN
Inventors: 陈学明
Original assignee: ZIGONG MINGJI YANHUA TECHNOLOGY ENGINEERING Co Ltd
Current assignee: ZIGONG MINGJI YANHUA TECHNOLOGY ENGINEERING Co Ltd
Priority date: 2007-03-01
Filing date: 2007-03-01
Publication date: 2008-02-20
Anticipated expiration: 2017-03-01

Abstract

The utility model disclose a centrifugal rotating injecting device which is powered by liquid, comprising a fixing pedestal which is provided with a flange on the bottom, a plurality of nozzles. The utility model is characterized in that the fixing pedestal is provided with an inner cavity and a shaft segment, two or over two hole windows are arranged on the side wall of the cavity body, a rotating pedestal is arranged on the lateral of the fixing pedestal by arranging the axis in the shaft segment. Two groups of axial multilevel sealing devices are arranged separately in the gaps between the fixing pedestal and the rotating pedestal which are on the upper and lower sides of the hole windows. A plurality of water close pipes are arranged on the side wall of the rotating pedestal, and each distributing pipe is connected with an injecting nozzle. The utility model needs not to use other accessory equipment, and the utility model has advantages of good cooling effect, low cost and little amount of maintenance.

Description

The centrifugal rotating spray device of fluid power

Technical field

The utility model relates to a kind of centrifugal rotating spray device of fluid power that is used for the recirculated water cooling.

Background technology

Extensively apply to salt industry at present, chemical industry, petrochemical industry, metallurgical, chemical fibre, weaving, medicine, electric power, the circulating water cooling device of industries such as military project comprises the holder that is fixed on the distributive pipe road, connected nozzle, they all do not rotate, be the static state spray type of cooling, recirculated water sprays the back and forms cascade in the space, water curtain or extremely close water droplet, relative less with air contact heat-exchanging area, and the cascade that ejects, skyborne stroke of water curtain or water droplet and heat exchanger time are shorter, the heat exchange weak effect, must be aided with sinking speed that the multilayer filler slows down cooling water prolonging heat exchanger time, and will use electric fan and reductor to come the forced draft cooling circulating water.This forces enterprise will purchase electric fan, reductor and a large amount of fillers, promptly increased equipment and auxiliary the input expense, bear the operation electricity charge of great number, and electric fan and reductor are prone to fault, the living algae of the easy fouling of filler, not only the influence normal continuously operation of producing and the cooling effect of recirculated water also need to drop into great amount of manpower and material resources and financial resources are carried out ordinary maintenance, maintenance and replacing.In a word, existing circulating water cooling device cooling effect is poor, auxiliary device is many, cost is high, energy consumption is high, maintenance load is big.

The utility model content

The purpose of this utility model is the above-mentioned deficiency at prior art, provides a kind of fluid power centrifugal rotating spray device, and it need not to use other auxiliary device, has good cooling results, cost is low, maintenance load is little advantage.

For achieving the above object, the centrifugal rotating spray device of fluid power of the present utility model, comprise that the lower end is provided with the holder of flange, several nozzles, it is characterized in that holder is provided with inner chamber and shaft part, on the sidewall of cavity, be provided with two or more holes window, the outside at holder also is set with rotating seat by the bearing that is installed on the shaft part, in the gap of the holder of the upper and lower both sides of window, hole and rotating seat, be respectively equipped with two groups of axial multistage sealing devices, the sidewall of rotating seat is provided with several water distributors, and every water distributor all connects with a nozzle;

Said nozzle comprises tube connector, hollow ball, the shower nozzle that connects firmly successively, shower nozzle is little Taper Pipe and the aditus laryngis of imperial palace outside end face inwardly is provided with successively, tube connector and hollow ball are tangent, the axis of shower nozzle passes the centre of sphere of hollow ball and perpendicular to the plane at tube connector axis and rotating seat axis place, all shower nozzles and hollow ball are all arranged by same rotation direction, liquid break-in in nozzle is flowed, and with aditus laryngis and Taper Pipe acting in conjunction, sprays behind the formation water smoke;

Above-mentioned axial multistage sealing device comprises the interior cover in the gap that is arranged on holder and rotating seat, overcoat, be installed on interior cover, rotating ring between the overcoat, stationary ring, spring, throw-out collar, seal ring, outside framework oil seal, and be installed between interior cover and the holder, between overcoat and the rotating seat, O-ring seals between rotating ring and the overcoat, throw-out collar is positioned at the rotating ring top, rotating ring is connected by pin with throw-out collar, throw-out collar is connected by pin with overcoat, spring is installed in the rotating ring eyelet corresponding with throw-out collar, stationary ring and interior cover tight fit, the seal face of rotating ring is provided with several grooves, seal ring is installed on the stationary ring below by the collar in it and the overcoat annular groove, outside framework oil seal be installed on the throw-out collar top in put; Owing to be provided with O-ring seals between overcoat and the rotating seat, be tight fit, can drive overcoat, throw-out collar, rotating ring rotation by rotating seat, make the liquid in the rotating ring seal face groove form rigid water film, carry out liquid packing, prevent the leakage of recirculated water with three place's O-ring seals and outside framework oil seal acting in conjunction;

Operation principle of the present utility model is: the holder lower end communicates with circulating water line by flange, and the hole window on its outer wall is introduced recirculated water the water distributor of rotating seat; Nozzle is by the injection to recirculated water with certain pressure, producing centrifugal thrust promotion rotating seat rotates at a high speed, form dynamic rotary-jet mode, and nozzle nebulizes its recirculated water that ejects, greatly reduced the volume of single water quality, increase water smoke stroke and heat exchanger time and area, taken away the heat in the water smoke rapidly, reached favorable cooling effect;

As further improvement of the utility model, the setting that all is inclined upwardly of the tube connector of all water distributors and nozzle is sprayed recirculated water obliquely upward, prolongs water smoke at skyborne stroke, strengthens the heat exchange effect;

As further improvement of the utility model, also be provided with outside framework oil seal in the rotating seat above bearing, prevent that the water smoke of outside from entering in the rotating seat, cause bearing corrosion;

As further improvement of the utility model, on the shaft part of holder, be provided with the contacted bearing insert of bearing, by the nut of screw thread rigid bearing lining, bearing is done axial location;

As further improvement of the utility model, be provided with alignment pin being higher than on the holder shaft part of nut, be used for nut spacing;

In sum, the centrifugal rotating spray device of fluid power of the present utility model need not to use other auxiliary device, has good cooling results, cost is low, maintenance load is little advantage.

Description of drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the front view of nozzle.

Fig. 4 is the A-A cutaway view of Fig. 3.

Fig. 5 is the front view of the axial multistage sealing device after amplifying.

Fig. 6 is the front view of rotating ring.

Fig. 7 is the upward view of Fig. 6.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

By illustrated in figures 1 and 2, the centrifugal rotating spray device of fluid power of the present utility model, comprise that the lower end is provided with the holder 1 of flange, eight nozzles 2, holder 1 is provided with inner chamber and shaft part 3, on the sidewall of cavity, be provided with four uniform hole windows 4, the outside at holder 1 also is set with rotating seat 6 by the bearing 5 that is installed on the shaft part 3, on hole window 4, be respectively equipped with two groups of axial multistage sealing devices 7 in the holder 1 of following both sides and the gap of rotating seat 6, the sidewall of rotating seat 6 is provided with eight water distributors 8 that are inclined upwardly and are provided with, every water distributor 8 all connects by flange with a nozzle 2, on the shaft part 3 of holder 1, be provided with and bearing 5 contacted bearing inserts 9, nut 10 by screw thread rigid bearing lining 9, bearing 5 is done axial location, on the shaft part 3 that is higher than nut 10, be provided with alignment pin 29, be used for nut 10 spacing; Also be provided with outside framework oil seal 11 in the rotating seat 6 above bearing 5, prevent that the water smoke of outside from entering in the rotating seat 6, cause bearing 5 corrosion;

By Fig. 3 and shown in Figure 4, described nozzle 2 comprises tube connector 12, hollow ball 13, the shower nozzle 14 that connects firmly successively, shower nozzle 14 Taper Pipe 14a that imperial palace is little outside end face inwardly is provided with successively and aditus laryngis 14b; By shown in Figure 1, tube connector 12 is tangent with hollow ball 13, by shown in Figure 2, the axis of shower nozzle 14 passes the centre of sphere of hollow ball 13 and perpendicular to the plane at tube connector 12 axis and rotating seat 6 axis places, all shower nozzles 14 and hollow ball 13 are all arranged by same rotation direction, liquid break-in in nozzle 2 is flowed, and with aditus laryngis 14b and Taper Pipe 14a acting in conjunction, sprays formation water smoke;

By shown in Figure 5, described axial multistage sealing device 7 comprises the interior cover 15 in the gap that is arranged on holder and rotating seat, overcoat 16, cover 15 in being installed on, rotating ring 17 between the overcoat 16, stationary ring 18, spring 19, throw-out collar 20, seal ring 21, outside framework oil seal 22, and be installed between interior cover 15 and the holder, between overcoat 16 and the rotating seat, O-ring seals 23 between rotating ring 17 and the

overcoat

16,24,25, throw-out collar 20 is positioned at rotating ring 17 tops, rotating ring 17 passes through pin 31 transmissions with throw-out collar 20, and throw-out collar 20 is connected with overcoat 16 by pin 26, spring 19 is installed in the corresponding eyelet 30 of rotating ring 17 and throw-out collar 20, stationary ring 18 and interior cover 15 tight fits, seal ring 21 is installed on stationary ring 18 belows by the collar 27 in it and overcoat 16 annular grooves, outside framework oil seal 22 is installed on the interior cover 15 of throw-out collar 20 tops, by Fig. 6 and shown in Figure 7, the seal face of rotating ring 17 is provided with 20 grooves 28;

Operation principle of the present utility model is: holder 1 lower end communicates with circulating water line by flange, and the hole window 4 on its outer wall is introduced recirculated water the water distributor 8 of rotating seat 6; Nozzle 2 is by the injection to recirculated water with certain pressure, produce centrifugal thrust and promote rotating seat 6 rotation at a high speed, form dynamic rotary-jet mode, and nozzle 2 nebulizes its recirculated water that ejects, greatly reduced the volume of single water quality, increase water smoke stroke and heat exchanger time and area, taken away the heat in the water smoke rapidly, reached favorable cooling effect; Overcoat 16, throw-out collar 20, the rotating ring 17 of rotating seat 6 drive axial multistage sealing devices 7 rotate together simultaneously, make the liquid in its seal face groove 28 form rigid water film, carry out liquid packing, prevent the leakage of recirculated water with three O-

ring seals

23,24,25 and outside framework oil seal 22 actings in conjunction.

Claims

1. centrifugal rotating spray device of fluid power, comprise that the lower end is provided with the holder of flange, several nozzles, it is characterized in that holder is provided with inner chamber and shaft part, on the sidewall of cavity, be provided with two or more holes window, the outside at holder also is set with rotating seat by the bearing that is installed on the shaft part, in the gap of the holder of the upper and lower both sides of window, hole and rotating seat, be respectively equipped with two groups of axial multistage sealing devices, the sidewall of rotating seat is provided with several water distributors, and every water distributor all connects with a nozzle.

2. the centrifugal rotating spray device of fluid power according to claim 1, it is characterized in that described nozzle comprises tube connector, hollow ball, the shower nozzle that connects firmly successively, shower nozzle is little Taper Pipe and the aditus laryngis of imperial palace outside end face inwardly is provided with successively, tube connector and hollow ball are tangent, the axis of shower nozzle passes the centre of sphere of hollow ball and perpendicular to the plane at tube connector axis and rotating seat axis place, all shower nozzles and hollow ball are all arranged by same rotation direction.

3. the centrifugal rotating spray device of fluid power according to claim 1, it is characterized in that the axial multistage sealing device comprises the interior cover in the gap that is arranged on holder and rotating seat, overcoat, be installed on interior cover, rotating ring between the overcoat, stationary ring, spring, throw-out collar, seal ring, outside framework oil seal, and be installed between interior cover and the holder, between overcoat and the rotating seat, O-ring seals between rotating ring and the overcoat, throw-out collar is positioned at the rotating ring top, rotating ring is connected by pin with throw-out collar, throw-out collar is connected by pin with overcoat, spring is installed in the rotating ring eyelet corresponding with throw-out collar, stationary ring and interior cover tight fit, the seal face of rotating ring is provided with several grooves, seal ring is installed on the stationary ring below by the collar in it and the overcoat annular groove, outside framework oil seal be installed on the throw-out collar top in put.

4. the setting that all is inclined upwardly of the centrifugal rotating spray device of fluid power according to claim 2, the tube connector that it is characterized in that all water distributors and nozzle.

5. according to the centrifugal rotating spray device of the arbitrary described fluid power of claim 1 to 4, it is characterized in that also being provided with in the rotating seat above bearing outside framework oil seal.

6. according to the centrifugal rotating spray device of the arbitrary described fluid power of claim 1 to 4, it is characterized in that on the shaft part of holder, being provided with and the contacted bearing insert of bearing, nut by screw thread rigid bearing lining.

7. the centrifugal rotating spray device of fluid power according to claim 6 is characterized in that being provided with alignment pin being higher than on the holder shaft part of nut.