SU1753231A1 - Sprinkler for cooling tower - Google Patents

Abstract

Usage: heat power engineering, irrigation devices of cooling towers for cooling circulating water at thermal and nuclear power plants and industrial plants. SUMMARY OF THE INVENTION: The cooling tower sprinkler comprises a series of vertical corrugated sheets 1, divided by partitions 2 from a multilayer grid into the upper 3 and lower 4 sections. In section 3, grids 5 are adjacent to sheets 2. In section 4, grids 7 are equidistant to sheets 1 with the formation of vertical channels 8, in which grid partitions 9 and 10 are installed in a checkerboard pattern. Grids are made with different cell sizes, 1 Il.

Description

The invention relates to a power system. in particular, to irrigation devices of cooling towers for cooling circulating water at thermal and nuclear stations and industrial enterprises.

Known sprinkler cooling tower containing a block of tubular elements made of porous material. [1].

The main weakness of the Wkoro sprinkler is the low heat and mass transfer efficiency, since the main water flow flows inside the pipes, water flow through the pores to the outer surface of the tubular elements is difficult, and the air most effectively flows around the outer surface of the elements and its penetration into the pipes is difficult.

Closest to the invention in technical essence and the achieved effect is the cooling tower sprinkler containing a number of vertical corrugated sheets [2].

The main disadvantage of this sprinkler is the insufficiently high efficiency of heat and mass transfer due to the uneven distribution of mainly water in the cooling tower, the presence of through channels. reducing the time of interaction of air with water.

The aim of the invention is to increase the efficiency of heat and mass transfer by ensuring uniformity. distribution of water in the volume of the tower.

This goal is achieved by the fact that the cooling tower sprinkler containing a series of vertical corrugated sheets, ADDITION; It is fully equipped with longitudinal multilayer nets and transverse partitions of the indicated nets and is made of two sections, in the upper of which the nets are installed adjacent to the surface of the sheets, and the partitions are attached to the ends. sheets, in the lower section of the grid are placed equidistant to the sheets with the formation of vertical channels, and the partitions are installed in the channels in a checkerboard pattern, while the layers of the grids in the upper section are made with different cell sizes, decreasing in the direction of the surface of the sheets, and in the partitions in the direction of upward flow air.

The drawing shows the sprinkler of the cooling tower.

The cooling tower sprinkler contains a series of vertical corrugated sheets 1. separated by partitions 2 of a multilayer mesh into two sections 3 and 4. In the upper section 3, multilayer mesh 5 is adjacent to the surface of the sheets 1, and a partition 6 of the mesh adjoins the end face. In the lower section 4, the grids 7 are placed equidistant to the sheets 1 with the formation of vertical channels 8. in which the mesh partitions 9 and 10 are staggered. The layers of the grid 5 in the upper section are made with different mesh sizes decreasing in the direction of the surface of the sheets 1, for example, 0.4 Ό.14 0.08. In partitions 2, 9 and 10, the cell sizes decrease in the direction of the upward air flow.

Heated circulating water enters the upper section 3 on the multilayer nets 5, is evenly distributed along their perimeter along the entire perimeter and begins to move inside the longitudinal multilayer nets 5. In the lower section 4, a uniform redistribution of water occurs: part of the water flow flows down the corrugated nets 7, and part water consumption - according to corrugated sheets 1 that do not have a mesh coating. Cold air enters the lower section 4 and interacts with water drops and films, repeatedly crossing the grid 7 and penetrating into the partitions 9 and 10. The experimentally optimized grid sizes provide, due to the anisotropic structure, a significant reduction in the stall and entrainment of water droplets by air;

Claims (1)

Claim The cooling tower sprinkler containing a series of vertical corrugated sheets is distinguished by the fact that, in order to increase the heat and mass transfer efficiency by ensuring uniform distribution of water in the cooling tower volume, it is additionally equipped with longitudinal multilayer nets and transverse partitions from these nets and is made of two sections , in the upper of which the grids are installed adjacent to the surface of the sheets, and the partitions - to the ends of the sheets, in the lower section of the grid are placed equidistantly to the sheets with the formation of vertical channels and baffles in the channels in staggered rows, wherein the mesh layers in an upper portion formed with different mesh size, decreasing towards libtov surface and in the partitions - in the direction of the rising air stream.