CN-117160693-B - Water-air double-drive turbine type rotary sprinkler head of cooling tower

CN117160693BCN 117160693 BCN117160693 BCN 117160693BCN-117160693-B

Abstract

A water-wind double-drive turbine type rotary sprinkler head of a cooling tower comprises a water guide rotor, a water guide stator, a wind turbine and a water turbine, wherein the water guide rotor is connected with spiral guide vanes which are spirally wound through a rotating shaft, the bottom of the water guide rotor is connected with the water turbine and the wind turbine, the water guide stator comprises a water guide sleeve which is vertically arranged, an external thread and a spanner position which are connected with a sprinkler head seat are arranged at the top of the outer part of the water guide stator, a coaxial thrust sliding bearing is arranged at the upper part in the barrel, the water guide rotor is inserted into the barrel of the water guide stator and is coaxially arranged, an axial limiting assembly is arranged above the thrust sliding bearing and is connected with an upper journal which extends out of the thrust sliding bearing and is connected with the rotating shaft to suspend the water guide rotor, the spiral guide vanes are in running fit with the inner surface of the barrel, and a plurality of spiral guide vanes separate the inner cavity of the barrel into a plurality of spiral flow channels, and the U-shaped flow channels which are communicated with the water turbine at the bottom are outwards sprayed. The invention has more uniform spray water distribution, can avoid spray dead areas, reduces material consumption and is beneficial to environmental protection.

Inventors

LIU QIDIAN
CHEN LIANGCAI
YANG JIABING
DU HUI
LI ZONGQI

Assignees

中韩(武汉)石油化工有限公司
中国石油化工股份有限公司
武汉石开工程技术有限公司
华中科技大学

Dates

Publication Date: 20260512
Application Date: 20220527

Claims (8)

1. A cooling tower water-wind double-drive turbine type rotary sprinkler head comprises a water guide rotor, a water guide stator, a wind turbine and a hydraulic turbine, and is characterized in that, The water guide rotor comprises a rotating shaft (6), spiral guide vanes (7), a hydraulic turbine (9) and a wind turbine (11), wherein the top of the rotating shaft is vertically provided with an upper shaft neck (61), a plurality of spiral guide vanes (7) are spirally wound and connected on the rotating shaft at equal intervals in a clockwise rotating direction, the bottom of the rotating shaft is provided with a coaxial annular rotor shaft neck (8), the upper end of each spiral guide vane extends below the upper shaft neck, the lower end of each spiral guide vane extends below the corresponding rotor shaft neck, the inner surface of each rotor shaft neck is connected with the edge of each spiral guide vane to form an integral connection structure with the rotating shaft, the bottom of each spiral guide vane is connected with the corresponding hydraulic turbine (9) which synchronously rotates, and the lower part of each hydraulic turbine (9) is connected with the corresponding wind turbine (11) which synchronously rotates; the water guide stator comprises a water guide sleeve (1), wherein the water guide sleeve is vertically arranged, an external thread (101) connected with a spray head seat is arranged at the outer top of a barrel body of the water guide sleeve, a spanner position (102) is arranged below the external thread, a coaxial thrust sliding bearing (104) is arranged at the inner upper part of the barrel body and is fixedly connected with a plurality of connecting ribs (103) which are radially arranged and connected with the barrel body, a coaxial radial sliding bearing (105) is arranged at the inner bottom of the barrel body, The water guide rotor is inserted into a cylinder of the water guide stator to be coaxially arranged, an axial limiting assembly (62) is arranged above the thrust sliding bearing and is connected with the upper journal extending out of the thrust sliding bearing to suspend the water guide rotor in a hanging way, the spiral guide vane (7) and the inner surface of the cylinder are in rotating fit to form a cylindrical rotating pair, a plurality of spiral guide vanes divide the inner cavity of the cylinder into a plurality of spiral flow channels, so that when a water body descends, the spiral guide vanes rotate clockwise, the rotor is pushed to rotate anticlockwise by recoil force of the spiral guide vanes, and the rotor journal and the radial sliding bearing (105) are in rotating fit to form the cylindrical rotating pair; The hydraulic turbine (9) is arranged below the water guiding stator, and is composed of a plurality of impellers (91) which are radially and symmetrically distributed outwards from the rotating shaft, each impeller is a shell structure which is surrounded by a top plate (911), a bottom plate (912) and an arc-shaped side plate (913) and is provided with a U-shaped cross section, a U-shaped runner (92) is formed in the shell and gradually contracts outwards from the rotating shaft to enable the U-shaped cross section to be reduced from large to small, a water outlet (93) is formed at the opening side of the U-shaped runner, a plurality of arc-shaped blades (10) are arranged in the U-shaped runner, the U-shaped runner is divided into a plurality of branch runners, and water is sprayed into a plurality of branches; the bottom of each spiral flow channel is correspondingly connected with one impeller and communicated with the U-shaped flow channel of the impeller, the water outlet of each impeller faces clockwise, so that water spray is sprayed out clockwise, the rotor is pushed to rotate anticlockwise by recoil force of the water spray, and the wind turbine (11) is arranged at the bottom of the impeller.
2. The cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 1, wherein the side wall of the bottom of each spiral flow channel is connected with the side wall of the U-shaped flow channel of the impeller and seals the bottom of the spiral flow channel, the two spiral guide vanes of each spiral flow channel are divided into a rear spiral guide vane (72) and a front spiral guide vane (71) according to the positions of the spiral rotation direction, the top plate, the arc-shaped side plate and the bottom plate of the impeller are sequentially and smoothly connected with the edges of the rotor shaft neck, the rear spiral guide vane, the rotating shaft and the front spiral guide vane, the arc-shaped side plate is curved in an arc shape along the spiral rotation direction of the spiral flow channel, the water outlet is formed by an opening formed by the front spiral guide vane, the top plate and the outer edges of the arc-shaped side plate in a surrounding mode, the opening extends from the rotor shaft neck to the tail end of the arc-shaped side plate, and the top plate, the bottom of each arc-shaped blade (10) is fixedly connected with the top plate and the top plate.
3. A cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 2, wherein each arc-shaped blade (10) is arranged along the arc-shaped side plate and gradually shortens along the spiral rotation direction, and the bottom plate of the U-shaped runner is provided with two arc-shaped water diversion grooves (13) near the center of the turbine for vertically guiding part of water.
4. A cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 3, wherein the hydraulic turbine is provided with four impellers, a wind turbine blade (111) which is arranged radially outwards is connected to a base plate of each impeller (91), the inner ends of the impellers and the wind turbine blade are connected through a cross-shaped turbine connecting rib (14) which is arranged at the center of the hydraulic turbine, the wind turbine blade is of a propeller shape and is in a clockwise twist shape, the twisted wind turbine blade enables air flowing from bottom to top to rotate clockwise at the same time, the recoil force of the wind turbine blade pushes a rotor to rotate anticlockwise, and a windward rectifying plate (12) envelopes the windward surfaces of the impellers and the wind turbine blade to form a streamline convex curved surface.
5. The cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 4, wherein the cross section of the spiral guide vane is arc-shaped, a gap is formed between the spiral guide vane and the water guide sleeve, and the radial sliding bearing and the rotor shaft neck are made of self-lubricating organic materials.
6. The cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 5 is characterized in that an inner cylindrical surface of a lower port of the water guide sleeve is slightly inwards folded to form the radial sliding bearing (105), a radial clearance is reserved between a rotor shaft neck and the radial sliding bearing, the thrust sliding bearing (104) is a ring body, three connecting ribs (103) are connected to the inner cylindrical surface of the upper part of the water guide sleeve and fixed, a top annular plane of the ring body is a thrust surface of the bearing, and the whole water guide rotor is suspended on the thrust sliding bearing.
7. The cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 6 is characterized in that a vertical cross groove (5) with a symmetrical axis is formed in the upper end of the upper shaft neck (61), the upper end of the upper shaft neck is divided into four flower columns to form a cross-shaped expansion and contraction claw (4), the top of each flower column is provided with a cone barb (41), the axial limiting assembly (62) comprises a thrust box (3) and a cross key (2), the thrust box is a hollow box body, a top cover with a cross hole (33) is arranged on the top of the box, an annular bottom cover with a central hole (31) is arranged at the bottom of the box, the annular bottom cover is a thrust ring (32), the cone barbs of the four flower columns elastically shrink under pressure and penetrate through the thrust ring to enter the thrust box, and then are elastically restored, the four cone barbs are hung on the thrust ring, the thrust ring is pressed on the thrust sliding bearing, and the lower surface of the thrust ring is in rotary fit with the thrust surface of the thrust sliding bearing to form a plane revolute pair; the cross key (2) is arranged corresponding to the cross groove (5), the cross key is a key body with a cross-shaped cross section, the cross key is downwards inserted into the cross hole (33) and the cross groove (5) between the four flower columns from the top of the thrust box, the cross key is clamped and limited, when the rotor rotates, the flower columns rotate together with the cross key, and the cross key rotates together with the top plate of the thrust box and the thrust box, so that the thrust box and the rotor form an integral structure rotating together.
8. The cooling tower water-wind double-drive turbine type rotary sprinkler head according to claim 7, wherein the upper parts of four crossed single key bodies (22) of the cross key are provided with vertical rectangular through holes (23), the key bodies can be elastically deformed by means of the rectangular through holes, protruding conical surface buckles (21) are arranged on the outer side walls of the rectangular through holes, the bottoms of the key bodies are retracted inwards, when the cross key is inserted downwards, the key bodies are deformed and contracted towards the rectangular through holes by extruding conical surfaces, and after the key bodies pass through a top plate of a thrust box, the conical surface buckles are clamped below the top cover for limiting.

Description

Water-air double-drive turbine type rotary sprinkler head of cooling tower Technical Field The invention belongs to the technical field of cooling towers, and particularly provides a water-air double-drive turbine type rotary sprinkler head of a cooling tower, which relates to sprinkling and sprinkling of circulating water. Background The cooling of the industrial circulating water is mainly finished in the cooling tower, and after the circulating water enters the tower, the temperature is gradually reduced in the spraying area, the filling area and the rain area from top to bottom in sequence, wherein the cooling range in the filling area is the largest. In order to fully exert the effect of the cooling main force of the filling area, the water from the spray heads is hoped to be uniformly sprayed on the top surface of the filling area, but the spray heads are not allowed to be densely distributed above the filling area so that the air passing is difficult, and therefore, the cooling tower has higher requirements on the performance and the distribution of the spray heads. The spray heads commonly used in the domestic cooling towers at present are reflection type II, reflection type III, flower basket type III, rotary spray heads and the like, and the novel spray heads appearing in recent years are mainly concentrated on changing the shape, the size, the number and the water distributing teeth of a splash box. The problem of small spraying area of the existing spray heads generally exists, and the reason is that water columns of the water distribution pipes directly spray on spray head chassis with different styles, the spray heads splash around, kinetic energy is dissipated, the splashing area is not large enough, the places with more splashing always have more water, the places with less splashing always have less water, and the water distribution is uneven, so that a spraying area and a filling area cannot fully play a role, and therefore the problem needs to be solved. Disclosure of Invention The invention provides a water-air double-drive turbine type rotary sprinkler head of a cooling tower, and aims to solve the technical problems of small sprinkling area, insufficient splashing area and uneven water distribution of the existing sprinkler head. The technical scheme of the invention is as follows: A cooling tower water-wind double-drive turbine type rotary sprinkler head comprises a water guide rotor, a water guide stator, a wind turbine and a hydraulic turbine, and is characterized in that, The water guide rotor comprises a rotating shaft 6, spiral guide vanes 7, a hydraulic turbine 9 and a wind turbine 11, wherein the top of the rotating shaft which is vertically arranged is connected with an upper shaft neck 61, a plurality of spiral guide vanes 7 are spirally wound and connected on the rotating shaft at equal intervals in a clockwise rotating direction, the bottom of the rotating shaft is provided with a coaxial annular rotor shaft neck 8, the upper end of each spiral guide vane extends below the upper shaft neck, the lower end of each spiral guide vane extends below the rotor shaft neck, the inner surface of each rotor shaft neck is connected with the edge of each spiral guide vane to form an integral connection structure with the rotating shaft, the bottom of each spiral guide vane is connected with the synchronously rotating hydraulic turbine 9, and the lower part of each hydraulic turbine 9 is connected with the synchronously rotating wind turbine 11; the water guide stator comprises a water guide sleeve 1, wherein the water guide sleeve is vertically arranged, an external thread 101 connected with a spray head seat is arranged at the outer top of a barrel body of the water guide sleeve, a spanner position 102 is arranged below the external thread, a coaxial thrust sliding bearing 104 is arranged at the upper part in the barrel body and is fixedly connected with a plurality of connecting ribs 103 arranged in the radial direction and connected with the barrel body, a coaxial radial sliding bearing 105 is arranged at the inner bottom of the barrel body, The spiral guide vane 7 and the inner surface of the cylinder are in running fit to form a cylindrical rotating pair, and a plurality of spiral guide vanes separate the inner cavity of the cylinder into a plurality of spiral flow channels, so that when a water body descends, the spiral guide vanes rotate clockwise, the rotor is pushed to rotate anticlockwise by recoil force of the spiral guide vanes, and the rotor shaft neck and the radial sliding bearing 105 are in running fit to form the cylindrical rotating pair; The hydraulic turbine 9 is arranged below the water guide stator and is composed of a plurality of impellers 91 which are radially and symmetrically distributed outwards from the rotating shaft, each impeller is a shell structure with a U-shaped cross section and is surrounded by a top plate 911, a bottom plate 912 and an arc-shaped s