RU2637341C1 - Circulating water supply system - Google Patents

Abstract

FIELD: heating system.

SUBSTANCE: circulating water supply system contains a ventilator cooling tower, at least one circulating pump connected via pipelines to an inlet with a cooling water reservoir located at the bottom of the cooling tower, and an outlet with pressure pipelines for supplying cooled water, and the pool is provided with an overflow and discharge device, while next to the ventilator cooling tower in a separate building, installed on reinforced concrete supports, there is a machine room in which the circulation pump or circulating pumps and control means, filtering room, in which filters for catching mechanical impurities are installed, mounted on pressure pipelines of circulating pumps, inhibitory room for the supply of a corrosion inhibitor in water supply pipelines, and an electrical substation, and between the ventilator cooling tower and the machine room oil separators are located on reinforced concrete supports, connected to pipelines supplying water to the ventilator cooling tower, with all pipelines are located above the ground on reinforced concrete supports, and the ventilator cooling tower is made with a rectangular cross-sectional body formed by vertical and horizontal metal beams and side walls made of facing panels, on top of the body at least one fan is installed that contains a diffuser of the fan with an impeller mounted therein with an its rotation drive, and in the body under each of the fans, successively from top to bottom, drip catchers are installed, a system of water spray nozzles, connected to water distributing system, sprinklers and a cooling water reservoir, made in the form of a sump for collecting water, ventilator cooling towers are installed on a reinforced concrete piles, installed evenly under the body. Vertical metal beams are supported on a coaxial post mounted on each pile, the height of which is not less than the height of the side walls of the sump, the horizontal metal beams forming the lower casing of the body are supported on the upper end of the reinforced concrete piles around the posts installed on them and fixed to the latter with the formation of a horizontal base under the sump bottom, wherein along the perimeter of the body, the middle section of horizontal metal beams is connected above the ground with the bottom part of piles by bracing.

EFFECT: reduction of energy consumption for cooling of circulating water.

2 cl, 5 dwg

Description

The invention relates to a power system, and in particular to water distribution devices for fan cooling towers of water recycling systems of industrial enterprises and power plants.

Known fan tower containing a rectangular cross-sectional casing with air inlet windows in its lower part mounted on a catchment basin, while in the casing there is a water catcher, a water distribution manifold with water-spraying nozzles and a sprinkler, and a fan containing a cylindrical the shell and the blade wheel installed in it, the shaft of which is connected to the rotation drive (see JP Patent No. 10122760, class F28C 1/02, publ. 05.15.1998).

The implementation of a fan cooling tower with a cylindrical shell in combination with the inlet of this shell, which occupies only part of the cross-section of the tower body, leads to significant aerodynamic losses and, as a result, to the relatively low efficiency of this cooling tower.

The closest in technical essence and the achieved result is a reverse water supply system containing a fan cooling tower, a circulation pump connected via pipelines to the inlet to the chilled water collecting basin located at the bottom and the outlet to the water distribution system, and the pool is made with a water overflow and drainage device from the pool (see JP patent No. 200561680, class F28C 1/02, publ. 10.03.2005).

The implementation of a recycled water supply system for a fan cooling tower with a pool at the bottom of the fan cooling tower in combination with the absence of a water purification system in the recycled water supply system leads to an increase in energy consumption to achieve the required temperature of chilled water, which reduces the area of use of this recycled water supply system.

The objective of the invention is to eliminate the identified shortcomings.

The technical result consists in the fact that it is possible to reduce energy consumption for cooling the circulating water.

This problem is solved, and the technical result is achieved due to the fact that the recycled water supply system includes a fan cooling tower, at least one circulation pump connected via pipelines to an inlet located at the bottom of the fan cooling tower for collecting chilled water and an outlet with a pressure pipe for supply of chilled water, and the pool is made with a device for overflow and drainage of water from the pool, while next to the fan cooling tower in a separate building installed on for concrete supports, there is a machine room in which a circulation pump or circulation pumps and controls are located, a filter room in which filters for catching mechanical impurities are installed on the pressure pipe of the circulation pumps, inhibitor for supplying a corrosion inhibitor to the water supply pipelines and electrical substation, and between the fan cooling tower and the machine room are oil separators mounted on reinforced concrete supports connected to the vent water supply pipe a cooling tower, with all pipelines located above the ground on reinforced concrete supports, and a cooling tower made with a rectangular case in cross section formed by vertical and horizontal metal beams and side walls made of cladding panels, at least one fan is installed on top of the case, which contains a fan diffuser with a blade wheel mounted in it with a drive for its rotation, and in the case under each fan in series from top to bottom droplet eliminators, a system of water-spraying nozzles connected to a water distribution system, irrigators and a chilled water collecting basin made in the form of a water collecting pan are installed, the cooling tower casing is mounted on reinforced concrete piles evenly installed under the casing, and vertical metal beams are supported on each pile coaxially to it is a rack, the height of which is not less than the height of the side walls of the pallet, horizontal metal beams forming the lower trim of the body are supported on the upper end zobetonnyh piles installed on them around struts and fixed relative to the latter to form a horizontal base for pan bottom, wherein at the perimeter of the housing portion median horizontal metal beams connected above the ground with the bottom of bracing piles.

The system is preferably provided with at least one additional fan cooling tower, connected in parallel by pipelines to the circulation pumps.

Implementation of a water recycling system from an electrical substation and a turbine room located next to the fan tower in a separate building, with a filter and inhibitor room, in which there is a circulation pump or circulation pumps and controls, filters and corrosion inhibitor input means in combination with the installation of the building and fan tower on reinforced concrete supports, as well as the location between the fan tower and the engine room of oil separators installed on reinforced concrete supports, Connected to the pipelines for supplying water to the cooling tower and draining cooled water from it and the location of all pipelines above the ground on reinforced concrete supports, it is possible to optimally arrange all the elements of the reverse water supply system relative to each other from the point of view of minimum hydraulic resistance, and at the same time to ensure the required cleanliness circulating water with its supply to the consumer with the required temperature under a given pressure. In addition, to reduce the energy consumption for the preparation of chilled water contributes to the implementation of the fan cooling tower with a rectangular cross-sectional body formed by vertical and horizontal metal beams and side walls made of facing panels, and at least one fan is installed on top of the body, which contains a fan diffuser with a vane wheel installed in it with a drive for its rotation, and in the case under each of the fans it is installed sequentially from top to bottom drip eliminators, a system of water-spraying nozzles connected to the water distribution system, sprinklers and a chilled water collecting basin made in the form of a water collecting pan, the cooling tower casing is mounted on reinforced concrete piles uniformly mounted under the casing, and the vertical metal beams are supported aligned with each other her rack, the height of which is not less than the height of the side walls of the pallet, horizontal metal beams that form the lower trim of the body, are supported on the upper end of reinforced concrete x piles installed on them around struts and fixed relative to the latter to form a horizontal base for pan bottom, wherein at the perimeter of the housing portion median horizontal metal beams connected above the ground with the bottom of bracing piles. Thus, the design of the fan cooling tower was created, in which all its elements are optimally positioned relative to each other with minimal impact of ambient temperature, in particular, the temperature of the soil on the chilled water collected in the pool for its collection, made in the form of a tray for collecting water, while the location of the tray above the ground on reinforced concrete piles or reinforced concrete supports, it is possible to optimize the location of pipelines connected to a pallet and others from the point of view of hydraulic losses structural elements of the water distribution system of the fan tower.

In FIG. 1 shows a schematic diagram of a circulating water supply system

In FIG. 2 schematically shows a reverse water supply system.

In FIG. 3 shows a fan cooling tower.

In FIG. Figure 4 shows the location of reinforced concrete piles under a fan cooling tower.

In FIG. 5 shows the installation of the pallet and metal beams of the fan cooling tower casing on reinforced concrete piles (section 1-1 in Fig. 4).

The water recycling system contains a fan tower 1, at least one circulation pump 2, connected via pipelines 3 to the inlet 4 located at the bottom of the fan tower 1 for collecting chilled water and the outlet to a pressure pipe 5 for supplying chilled water, and the pool 4 made with a device for overflow and drainage of water 6 from the pool 4.

Next to the fan tower 1 in a separate building mounted on reinforced concrete supports, there is a machine room 7, in which there is a circulation pump or circulation pumps 2 and controls (not shown), a filter room, in which filters 8 for catching mechanical impurities are located, installed on pressure pipe 5 of circulation pumps 2, inhibitor 9 for supplying a corrosion inhibitor to pressure pipe 5 for supplying chilled water and electrical substation 10, and between the fan cooling tower 1 and the machine room 7 oil separators 11 mounted on reinforced concrete supports are connected to the water supply pipe 12 to the fan tower 1, while all pipelines 3, 5 and 12 are located above the ground on the concrete supports, and the fan tower 1 is made with a rectangular cross-sectional body 13 formed by vertical and horizontal metal beams and side walls made of facing panels, at least one fan 14 is installed on top of the housing 13, which comprises a fan diffuser 15 14 with a vane wheel 16 installed in it with a drive 17 for its rotation, and in the case 13 under each of the fans 14, drop eliminators 18, a system of water-spraying nozzles 19 connected to the water distribution system 20, sprinklers 21 and a pool 4 for collecting chilled water are installed successively from top to bottom made in the form of a tray 22 for collecting water.

The tower body 13 is mounted on reinforced concrete piles 23 uniformly mounted under the body 13, and the vertical metal beams 24 are supported by a coaxial strut 25 installed on each pile 23, the height of which is not less than the height of the side walls of the pallet 22, horizontal metal beams 26 forming the lower trim the casing 13 is supported on the upper end of reinforced concrete piles 23 around the uprights 25 installed on them and fixed relative to the latter with the formation of a horizontal base under the bottom of the pallet 22, and along the perimeter of the casing 13 the middle section of horizontal metal beams 26 is connected above the surface of the earth with the lower part of piles 23 by braces 27.

The water recycling system is equipped with at least one additional fan cooling tower 28, parallel connected by pipelines 3 to the circulation pumps 2.

During the operation of the water recycling system, the heated water enters the water distribution system 20 through oil separators 11, where it is distributed between the water spray nozzles 19, the last heated water is sprayed over the sprinklers 21 and falls on the surface of the sprinklers 21, filling almost the entire volume between the pallet 22 and the water spray nozzles 19, each which water in the form of a thin film flows into the tray 22. In this case, the flowing film of water is blown by the air flow created by the fan 13. Atmospheric air is blown Erez irrigator 21 that contributes to its intense saturation with moisture evaporated over the entire height of the sprinkler and intensive cooling water. Chilled water is collected in a tray 22 and from the latter is sent to the consumer for reuse as a cooling medium.

Claims (2)

1. A water recycling system comprising a fan cooling tower, at least one circulation pump, connected via pipelines to an inlet located at the bottom of the fan cooling tower for collecting chilled water and an outlet to a pressure pipe for supplying chilled water, and the pool is made with an overflow device and water drainage from the pool, characterized in that next to the fan cooling tower in a separate building installed on reinforced concrete supports, there is a machine room in which They are equipped with a circulation pump or circulation pumps and controls, a filter one, in which filters for catching mechanical impurities are located, installed on the pressure pipe of the circulation pumps, an inhibitor for supplying a corrosion inhibitor to the water supply pipe and electrical substation, and installed on the cooling tower and the machine room reinforced concrete supports oil separators connected to the water supply pipe to the cooling tower, while all pipelines are located above the ground on the iron eton supports, and the fan cooling tower is made with a rectangular case in cross section, formed by vertical and horizontal metal beams and side walls made of facing panels, at least one fan is installed on top of the case, which contains a fan diffuser with an impeller with a drive for its rotation, and drop eliminators, a system of water-spraying nozzles connected in series under each of the fans are successively installed from top to bottom to the water distribution system, sprinklers and a pool for collecting chilled water, made in the form of a tray for collecting water, the cooling tower casing is mounted on reinforced concrete piles uniformly installed under the casing, and the vertical metal beams are supported on a column installed on each pile, the height of which is not less than the heights of the side walls of the pallet, horizontal metal beams forming the lower trim of the body, are supported on the upper end of reinforced concrete piles around the racks installed on them and are fixed relative to Latter to form a horizontal base for pan bottom, wherein at the perimeter of the housing portion median horizontal metal beams connected above the ground with the bottom of bracing piles. 2. The system according to p. 1, characterized in that it is equipped with at least one additional fan cooling tower, parallel connected by pipelines to the circulation pumps.

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