CN217005505U

CN217005505U - Variable-flow water sowing disc and cooling tower

Info

Publication number: CN217005505U
Application number: CN202220759428.4U
Authority: CN
Inventors: 黄燕玲
Original assignee: Dongguan Mesan Fiberglass Engineering Co ltd
Current assignee: Dongguan Mesan Fiberglass Engineering Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-19
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a variable-flow water distribution disc and a cooling tower, wherein the variable-flow water distribution disc comprises a disc body for containing water, and a plurality of variable-flow spray pipes are uniformly arranged at the bottom of the disc body; the variable flow spray pipe comprises a water inlet pipe and a nozzle, wherein the water inlet pipe is vertically arranged above the bottom of the plate body through a connecting part, so that the nozzle is communicated with a mounting hole in the bottom of the plate body; the pipe wall of the water inlet pipe is provided with a water inlet groove. According to the utility model, the variable flow spray pipe is arranged at the bottom of the water sowing tray, and water can be uniformly distributed under the condition that the flow of the whole water sowing tray is changed in a large range by utilizing the area difference of the water inlet and the water outlet of the variable flow spray pipe, so that the heat exchange area of the filler is fully utilized, the efficiency is greatly improved, and the energy consumption is reduced.

Description

Variable-flow water sowing disc and cooling tower

Technical Field

The utility model relates to the technical field of cooling tower refrigeration equipment, in particular to a variable-flow water spreading disc and a cooling tower.

Background

The cooling tower is an evaporation heat dissipation device which uses water as a circulating coolant, utilizes the principles that the water is in contact with air in a flowing way to perform heat exchange to generate steam, the steam volatilizes and takes away heat to achieve evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate waste heat generated in industry or refrigeration air conditioners to reduce the water temperature, and ensures the normal operation of the system. Therefore, the water spraying device (also called sprinkler) in the cooling tower is one of the key components, the earlier cooling tower water spraying device can not realize flow variation, and then the variable flow water spraying solution appears in succession.

At present, most of the variable flow solutions on the market still remain at the initial stage, as shown in fig. 1, a nozzle cup 102 is usually added on a water sowing tray 10, a weir is added, a multi-stage diversion channel 101 is arranged, and the like. The general idea is to achieve the purpose of changing the water quantity by reducing the water spraying area of the filler. However, this conventional method has a great limitation because a large portion of the packing area is not sprayed with water at a low flow rate, which causes short-circuiting of air from the water-free area, thereby causing insufficient utilization of the packing, resulting in a great decrease in cooling efficiency, and finally resulting in an increase in energy consumption of the refrigeration equipment. Therefore, how to fully utilize the heat exchange area to perform efficient heat exchange has become a key research direction in the cooling tower industry.

SUMMERY OF THE UTILITY MODEL

Based on the defects in the prior art, the utility model mainly aims to provide the variable-flow water sowing tray and the cooling tower, which can fully utilize the heat exchange area of the filler to carry out heat exchange and effectively reduce energy consumption.

In order to achieve the technical effects, the technical scheme of the utility model is as follows: a variable-flow water sowing tray comprises a tray body for containing water, wherein a plurality of variable-flow spray pipes are uniformly arranged at the bottom of the tray body; the variable flow spray pipe comprises a water inlet pipe and a nozzle, wherein the water inlet pipe is vertically arranged above the bottom of the plate body through a connecting part, so that the nozzle is communicated with a mounting hole at the bottom of the plate body; the pipe wall of the water inlet pipe is provided with a water inlet groove.

Further, the connecting portion of the inlet tube of variable flow spray tube include umbelliform lid and jack catch, the lower terminal surface of umbelliform lid and the upper surface laminating of disk body bottom, the lateral wall of jack catch and the mounting hole interference fit of disk body.

Furthermore, the top of the water inlet pipe of the variable flow spray pipe is sealed, and the bottom opening of the water inlet pipe forms a nozzle. The water inlet groove is formed along the pipe wall of the water inlet pipe in the longitudinal direction. The variable flow spray pipes are distributed at the bottom of the water sowing tray body according to the lines and columns.

Further, the variable flow water spreading disc also comprises a water inlet valve, and the water inlet valve is connected with an external water supply pipeline. The water inlet valve of the water sowing disc is provided with a water baffle in the disc body corresponding to the water inlet valve, and the water baffle and the bottom of the disc body are arranged in an inclined manner.

Based on the variable-flow water distribution disc, the utility model also provides a cooling tower, which comprises the variable-flow water distribution disc, and the water distribution disc is arranged above the filler.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that: the variable flow spray pipe is arranged at the bottom of the water sowing tray, and the area difference of the water inlet and the water outlet of the variable flow spray pipe is utilized, so that the water can be uniformly distributed in the whole water sowing tray under the condition of large-range variable flow, the heat exchange area of the filler is fully utilized, the efficiency is greatly improved, and the energy consumption is reduced. Meanwhile, the variable flow spray pipe is simple in structure, convenient to install and wide in application range.

Drawings

In order to more clearly illustrate the technical solution of the present invention, specific embodiments and drawings will be described and presented below.

Fig. 1 is a schematic view of a variable flow water-spreading solution of a traditional cooling tower.

Fig. 2 is a schematic structural diagram of a variable flow water spreading tray according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a variable flow nozzle according to an embodiment of the present invention.

Fig. 4(a) and 4(b) are side and bottom views of a variable flow nozzle according to an embodiment of the present invention.

Fig. 5 is an exemplary illustration of a variable flow watertray in use, in accordance with an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. Based on the following embodiments, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a technical feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art.

As shown in fig. 2 and 3, the variable flow watering plate 30 according to the embodiment of the present invention includes a plate body 31 for holding water, and a plurality of variable flow nozzles 20 are disposed at the bottom of the plate body 31; the variable flow nozzle 20 comprises a water inlet pipe 21 and a nozzle 22, wherein the water inlet pipe 21 is erected above the bottom of the tray body through a connecting part, so that the nozzle 22 is communicated with a mounting hole 32 at the bottom of the tray body. The upper part of the variable flow nozzle 20 is a water inlet pipe 21, the inside of the water inlet pipe is a hollow circular pipe, the top of the water inlet pipe is sealed, and a water inlet groove 25 is formed in the pipe wall (side wall) of the water inlet pipe; the lower part of the variable flow nozzle 20 is a nozzle 22 and a connecting part. The variable flow nozzles 20 can be uniformly distributed at the bottom of the water spreading tray 20 according to the ranks.

Further, as shown in fig. 4(a) and 4(b), the connecting portion of the variable flow nozzle 20 and the bottom of the tray body includes an umbrella-shaped cover 23 and a claw 24, the lower end surface of the umbrella-shaped cover 23 is attached to the upper surface of the bottom of the tray body 31, the side wall of the claw 24 is in interference fit with the mounting hole 32 of the bottom of the tray body, and the claw shoulder 26 is attached to the lower surface of the tray body 31 to be clamped, so that the variable flow nozzle 20 is erected above the bottom of the tray body. In addition, the bottom opening of the inlet pipe 21 of the variable flow nozzle 20 forms a nozzle 22 through which water can be directly discharged. In this embodiment, the water inlet channel 25 is formed along the longitudinal direction of the wall of the water inlet pipe 21.

In addition, the variable flow water spreading disc 30 of the embodiment further includes a water inlet valve 34, the water inlet valve 34 is connected with an external water supply pipeline, a water baffle 33 is further disposed in the disc body corresponding to the water inlet valve 34, the water baffle 33 is disposed in an inclined manner with the bottom of the disc body, a water flow buffering effect is achieved, and uneven water spreading caused by large water flow fluctuation is avoided.

Based on the variable-flow water distribution disc, the embodiment of the utility model also provides a cooling tower, which comprises the variable-flow water distribution disc, and the water distribution disc is arranged above the filler.

As shown in FIG. 5, when the cooling tower is in operation, the water in the water-spreading tray 30 can be uniformly sprayed on the filling material at the bottom through the variable flow rate nozzles 20 at the bottom of the tray body. Along with the ascending and descending change of the water quantity 40 in the water spreading disc, the variable flow nozzle 20 can generate a certain water level height at the position of the water inlet groove 25 under the condition of different water flows through the area difference between the water inlet groove 25 and the inner diameter of the nozzle, so that a certain water pressure is formed in the nozzle, and the water in the nozzle can be distributed at a certain water outlet speed. Through the water distribution test of using above-mentioned variable flow spray tube, under the different water yield circumstances, the intake chamber can effective control water head, provides stable water pressure to realized on a large scale variable water yield water distribution evenly, improved heat exchange efficiency by a wide margin, reduced the energy consumption. Meanwhile, the water sowing disc with the variable flow also has the advantages of simple structure, convenience in installation, wide application range and the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings, or other related technical fields, which are directly or indirectly applied to the present invention, shall be included in the scope of the present invention.

Claims

1. The variable-flow water sowing tray is characterized by comprising a tray body for containing water, wherein a plurality of variable-flow spray pipes are uniformly arranged at the bottom of the tray body; the variable flow spray pipe comprises a water inlet pipe and a nozzle, wherein the water inlet pipe is vertically arranged above the bottom of the plate body through a connecting part, so that the nozzle is communicated with a mounting hole at the bottom of the plate body; and a water inlet groove is formed in the pipe wall of the water inlet pipe.

2. The variable flow water sowing tray according to claim 1, wherein the connecting part of the water inlet pipe of the variable flow nozzle comprises an umbrella-shaped cover and a claw, the lower end surface of the umbrella-shaped cover is attached to the upper surface of the bottom of the tray body, and the side wall of the claw is in interference fit with the mounting hole of the tray body.

3. The variable flow water spreading tray according to claim 1 or 2, wherein the top of the inlet pipe of the variable flow nozzle is sealed, and the bottom opening of the inlet pipe forms a spout.

4. The variable flow water planting disc according to claim 1 or 2, wherein the water inlet groove is formed along the longitudinal direction of the pipe wall of the water inlet pipe.

5. The variable flow watering tray defined in claim 1 or claim 2 wherein the variable flow nozzles are arranged in rows at the base of the tray body of the watering tray.

6. The variable flow drip tray of claim 1 further comprising a fill valve connected to an external water supply conduit.

7. The variable flow water spreading disc according to claim 6, wherein a water baffle is arranged in the disc body corresponding to the water inlet valve of the water spreading disc, and the water baffle is obliquely arranged with the bottom of the disc body.

8. A cooling tower comprising a variable flow rate watering plate according to any one of claims 1 to 7 mounted above a fill material.