Automatic purging system in water-ballast condenser line pipes

Abstract

An automatic cleaning system for cleaning water-borne condenser pipes, including small balls that circulate through the cooling water pipe from its upstream side to its downstream side together with the water flow, and are used to separate the small balls from the water flow at the downstream side of the cooling water pipe The ball return controller and the ball reinjector used to recirculate the ball back to the upstream side of the cooling water pipeline are characterized in that: the channel of the lowest pressure source of the ball reinjector is connected to the pump, and the pump A filter is arranged on the pipeline connected with the water outlet, and is connected with the downstream side of the cooling water pipeline. The ball returning controller includes two comb-shaped filter screens to form an isosceles triangle, which divides the inside of the ball returning controller into a permeable upper and lower layers, and the upper layer forms two ball returning chambers. The cross-section of the ball returning controller is larger than that of the cooling water pipeline, and the main body shell of the ball returning controller is square, and windows are arranged on three sides thereof. This system has a good cleaning effect, and the cooling water can be recycled and reused after the cooling water is purified. One system can realize the cleaning of multiple condensers in the same place, and the cost of use is greatly reduced.

Description

technical field [0001] The invention relates to a cleaning system for cleaning a condenser in a central air conditioner, especially for cleaning pipes of a heat exchanger used in the condenser. Background technique [0002] The present invention is particularly directed to the cleaning system described in Chinese invention patent 96107005.6. Such a cleaning system includes pellets that circulate with the water flow through the pipe from its upstream side to its downstream side, a separator system for separating the pellets from the water stream at the downstream side of the pipe, and a system for recirculating the pellets. Back to the recirculation system on the upstream side of the pipeline. In Chinese invention patent 96107005.6, the final channel of the recirculation system is connected to the atmosphere; the separator system includes a grid connected to the ball catcher housing on the downstream side of the pipeline, the grid is located in the ball catcher housing, form...

AI Technical Summary

Problems solved by technology

[0003] This type of cleaning system, because the final channel is connected to the air, directly discharges the cooling circulating water into the sewer outside the system, resulting in a large loss of cooling circulating water, a serious waste of water resources and secondary pollution; in addition, the The ball returning power of the system comes from the pressure difference water flow generated by the continuous discharge of cooling water in the final channel to drive the balls to flow from the separator to the recirculation system. However, once the pressure difference is insufficient, the balls will not return to the recirculation system immediately. In the process, the balls are backlogged in the separator, resulting in: 1. Insufficient return of balls, which directly affects the cleaning effect each time; 2. Due to the structural defects of the separator system and the backlog of small balls, the resistance of the separator system increases , the pressure difference is reduced, which not only increases the lack of returning balls, but also seriously affects the flow rate, flow rate and pressure loss of the cooling cycle system, resulting in a decrease in heat exchange rate; 3. Many condenser pipes have not been cleaned, and it takes a long time Scaling and blockage of the condensing pipe will appear, which will cause serious consequences.

[0004] In addition, the position of the second channel of the system is set on the opposite side to the first channel, resulting in pressure loss, poor water flow, and insufficient impetus for injecting the balls into the cooling pipeline, which cannot ensure that the balls in the upper chamber are in the same position. All the cooling water pipes are injected in a short period of time, which affects the comprehensive cleaning effect each time

Furthermore, one system of this system can only clean one condenser, and the cleaning of multiple condensers requires multiple cleaning systems, which are extremely expensive to use.

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