CN212943549U

CN212943549U - Self-closing rotary nozzle

Info

Publication number: CN212943549U
Application number: CN202021332323.8U
Authority: CN
Inventors: 任宏雷; 刘永杰
Original assignee: Luoyang Deming Petrifaction Equipment Co ltd
Current assignee: Luoyang Deming Petrifaction Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-13
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a from closing disconnected rotary nozzle, including sealed ball, spring, shell, the oblique exit rotating head in area, bearing, the inner circle of bearing cup joints with one heart on the outer disc of the oblique exit rotating head in area, with take the oblique exit rotating head to rotate jointly, the shell cup joints with one heart on the outer disc of the outer lane of bearing, the inner chamber of shell is provided with the roof, sealed ball and spring mounting are between roof and shell entry, and the spring is tight on shell entry inclined plane with sealed ball top, forms from closing disconnected rotary nozzle. The spraying device is suitable for working occasions for performing synergistic spraying on the existing dry air cooling, and is also suitable for other positions which are similar to spray coverage and have large requirements on spraying area.

Description

Self-closing rotary nozzle

Technical Field

The utility model relates to a from closing rotary nozzle is applicable to and increases the work occasion that sprays to current dry-type air cooling, also is applicable to other similar covers of spraying and has the position of great requirement to spray area.

Background

The existing dry air cooling adopts the working principle that a motor drives a fan to rotate, fan blades drive air to blow through a finned tube group, the air exchanges heat with materials inside fins when passing through the fins, the temperature of the air is increased, and the temperature of the materials inside the fins is reduced, so that the process purpose of cooling the materials inside the fins is achieved.

Generally, dry air cooling is designed to have a low cooling load, and when the temperature in summer is high, the temperature difference between ambient air and the material inside the fins is reduced due to the increase in ambient temperature, resulting in a decrease in the cooling capacity of dry air cooling. When the load of the dry air cooler can not meet the production requirement, the use side has to reduce the air cooling treatment capacity, which brings the problem of reducing the yield of the device and influences the economic benefit.

In order to overcome the existing problems, the cooling load of the dry air cooler is improved when the dry air cooler is used in summer, synergistic spraying is carried out on the finned tubes, namely liquid water is sprayed to improve the heat exchange amount, and the method is a simple, convenient and effective way. However, if the existing conventional nozzle is adopted for spraying operation, the sprayed fog drop particles are small and easy to be taken away by wind, and the spray cannot be sprayed on fins, so that the cooling effect cannot be realized; or the spraying areas are distributed in a hollow conical shape, the effective spraying coverage area is limited, and the like, and the effect of improving the effect of the dry air cooling spraying in summer cannot be achieved.

Therefore, to this special operating mode requirement, need one kind can be with the even special nozzle that sprays to the finned tube on the liquid water large tracts of land, and jet particle diameter can not the undersize, possesses the function of turn-off rapidly simultaneously, guarantees that the liquid water granule that sprays the department from the nozzle can not concentrate on a certain point and drip when water supply pressure is low excessively, causes the damage of finned tube below motor because of intaking.

Disclosure of Invention

For overcoming exist not enough among the background art, the utility model provides a from shutting off rotary nozzle can reach the effect on the finned tube that sprays liquid water large tracts of land is even, and spray the particle diameter great, and the automatic shutoff nozzle when water supply pressure is less than a definite value can enough realize carrying out the increase to current dry-type air cooling under summer high temperature environment and spray, can guarantee again not to cause the damage to current equipment.

In order to achieve the above purpose, the present invention adopts the following technical solutions:

the utility model provides a from shutting off rotatory nozzle, includes sealed ball, spring, shell, takes oblique outlet rotating head, bearing, the inner circle of bearing cup joints with one heart on the outer disc of taking oblique outlet rotating head, with take oblique outlet rotating head to rotate jointly, the shell cup joints with one heart on the outer disc of the outer lane of bearing, the inner chamber of shell is provided with the roof, sealed ball and spring mounting are between roof and shell entry, and the spring is tight on shell entry inclined plane with sealed ball top, play the effect that prevents liquid water to get into the nozzle under certain pressure.

The rotating head with the inclined outlet is provided with a plurality of channels which penetrate through the inner cavity of the rotating head to the outer edge surface, and the central line of the channels does not pass through the rotating central line of the rotating head.

The entrance of shell is provided with the external screw thread, can be with nozzle monolithic connection in the pipeline interface department of mounted position.

The sealing ball is made of nonmetal soft materials, can be slightly deformed under certain pressure, and forms a sealing surface with the inclined plane of the inlet of the shell to prevent liquid water from entering the shell.

Adopt technical scheme as above, the utility model has the advantages of as follows:

1. the utility model discloses a rotatory nozzle is rotatable to spray liquid water, and its principle is because the centrifugal force that rotary motion produced throws out the water droplet, therefore the liquid droplet particle diameter is moderate, can not be taken away by the wind because of the particle diameter undersize.

2. The utility model discloses a rotatory nozzle coverage is big and distribute evenly, and it sprays the coverage and is solid toper space region, can realize spraying the distribution on a large scale of great particle diameter.

3. The utility model discloses a rotatory nozzle flow accessible adjustment link up the size of the passageway of rotating head and adjust, can realize the customization design to different operating modes.

4. The utility model discloses a be provided with the shutoff structure of constituteing by sealed ball and spring, can be when water supply pressure is too little, prevent liquid water to get into the nozzle, guarantee that liquid water granule can not concentrate on a certain drippage when water supply pressure is low excessively, cause the damage of finned tube below motor because of intaking.

5. The utility model discloses a rotating nozzle simple structure, low in manufacturing cost is fit for on a large scale popularization and application.

Drawings

FIG. 1 is an overall structure of the present invention;

fig. 2 is a cross-sectional view of the axial interface of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

in the figure: 1. a sealing ball; 2. a spring; 3. a housing; 4. a rotating head with an inclined outlet; 5. a bearing; 6. a housing inlet; 7. a top plate; 8. liquid water.

Detailed Description

The present invention will be explained in more detail by the following examples, which are not intended to limit the scope of the invention;

it should be noted that the directions and positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. used in describing the structure of the present invention are based on the directions and positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Combine the figure a from shutting down rotary nozzle, including sealed ball 1, spring 2, shell 3, take oblique outlet rotating head 4, bearing 5, the inner circle of bearing 5 cup joints with one heart on taking the outer disc of oblique outlet rotating head 4, rotate with taking oblique outlet rotating head 4 jointly, shell 3 cup joints with one heart on the outer disc of the outer lane of bearing 4, the inner chamber of shell 3 is provided with roof 7, sealed ball 1 and spring 2 install between roof 7 and shell entry 6, and spring 2 pushes up sealed ball 1 tightly on shell entry inclined plane, plays the effect that prevents liquid water 8 to get into the nozzle under certain pressure. The rotating head 4 with the inclined outlet is provided with a plurality of channels which run through the inner cavity of the rotating head to the outer edge surface, and the central line of the channels does not pass through the rotating central line of the rotating head. The inlet of the shell 3 is provided with an external thread which can integrally connect the nozzle to the pipeline interface of the installation position. The sealing ball 1 is made of nonmetal soft materials, can be slightly deformed under certain pressure, forms a sealing surface with the inclined plane of the inlet of the shell, and prevents liquid water 8 from entering under certain pressure.

When the self-closing rotary nozzle is in a working state, liquid water 8 enters the nozzle from the shell inlet 6, when the water supply pressure is small, the sealing ball 1 cannot be pushed open by the water supply pressure because the spring 2 tightly pushes the sealing ball 1 on the inclined plane of the shell inlet. Only when the water supply pressure is larger than a certain value, the thrust of the water pressure to the sealing ball 1 is larger than the thrust of the spring 2 to the sealing ball 1, the sealing ball 1 is pushed away, and the liquid water 8 enters the inner cavity of the nozzle. Then liquid water 8 is when through the passageway that link up rotating head inner chamber to the outer fringe face, because the passageway central line does not pass through the centre of a circle, can produce reaction force to export rotating head 4 to one side, forms certain eccentric moment of torsion, and the inner circle concentric rotation of export rotating head 4 and bearing 5 is exported to one side to the driving belt throws out liquid water 8 from the passageway export, forms and is close solid toper coverage.

The part of the utility model not detailed is prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and invention.

Claims

1. The utility model provides a from shutting off rotatory nozzle, includes ball sealer, spring, shell, takes oblique export rotating head, bearing, characterized by: the inner ring of the bearing is concentrically sleeved on the outer circular surface of the rotating head with the inclined outlet and rotates together with the rotating head with the inclined outlet, the shell is concentrically sleeved on the outer circular surface of the outer ring of the bearing, the inner cavity of the shell is provided with a top plate, the sealing ball and the spring are installed between the top plate and the inlet of the shell, and the spring tightly pushes the sealing ball on the inclined surface of the inlet of the shell to form the self-closing rotating nozzle.

2. The self-closing rotary nozzle as claimed in claim 1, wherein: the rotating head with the inclined outlet is provided with a plurality of channels which penetrate through the inner cavity of the rotating head to the outer edge surface, and the central line of the channels does not pass through the rotating central line of the rotating head.

3. The self-closing rotary nozzle as claimed in claim 1, wherein: the entrance of shell is provided with the external screw thread, can be with nozzle monolithic connection in the pipeline interface department of mounted position.