Water-cooled chiller with on-line cleaning function of rubber ball shell-and-tube condenser front-end head box

Abstract

The invention discloses a front-end end enclosure channel box of a shell and tube condenser of a water-cooling water chilling unit with a rubber ball online cleaning function. The front-end end enclosure channel box and a rubber ball automatic online cleaning device are designed into a whole body, and in addition to a structure of a general front-end end enclosure channel box, the front-end end enclosure channel box also comprises a ball recovering device, a rubber ball collecting chamber, a ball releasing device, a subarea drainage device, a ball releasing subarea clapboard, a ball observing device, a ball recovering and releasing automatic control valve, an end error automatic monitoring and recording device and a rubber ball automatic cleaning controller. The front-end end enclosure channel box automatically achieves subarea cleaning, online observation and rubber ball replacement, automatically displays and records running end errors of the water chilling unit, has the functions of adjusting the frequency, the period and the start and the stop manually, and can ensure that the end error increment of the water chilling unit is not over 0.3 DEG C so that the water chilling unit is always in a high-efficient running state. The front-end end enclosure channel box has a simple and compact structure, the rubber ball recovering, releasing and cleaning processes are completely achieved by means of a hydraulic power principle and the pressure difference of entering and exiting cooling water, no external power is needed, and the front-end end enclosure channel box is energy-saving and environment-friendly and can leave a factory together with the water-cooling water chilling unit.

Description

Technical field [0001] The invention discloses a tube box with a rubber ball automatic on-line cleaning function for the front end of the condenser, particularly suitable for double-process water-cooled water chiller shell-and-tube condensers, and also suitable for its double-process shell-and-tube condensers Evaporator and double-process water-cooled shell-and-tube heat exchanger with cooling water running through the tube and the temperature does not exceed 80℃. Background technique [0002] The existing water-cooled chiller condenser rubber ball automatic online cleaning device has the following two types, one is an independent cleaning system device. The water inlet and outlet pipes of the condenser are connected by pipes. The ball dispenser sends the rubber balls into the cooling water inlet pipe. The rubber balls flow into the condenser with the cooling water. After cleaning, they flow out from the cooling water outlet, enter the ball catcher, and then enter the ball. Insi...

AI Technical Summary

Problems solved by technology

There are two disadvantages in this type of automatic cleaning device by changing the flow direction: 1. When high-temperature water enters the condenser when the direction is changed, the condensing temperature of the refrigerant in the condenser of the chiller changes greatly instantaneously, and the instantaneous efficiency of the chiller fluctuates greatly. 2. Due to the distribution of the water flow field on the condenser flower plate, the water flow rate in each heat exchange tube is different, so after running for a period of time, some cleaning elements Unable to perform reciprocating cleaning movement, stuck in the blocking element

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