Automatic cleaning disinfecting and pure water making device and working method thereof

Abstract

The invention provides an automatic cleaning disinfecting and pure water making device. The device comprises a raw water pump, a pre-filter, a first security filter, a first booster pump, a first RO device, an intermediate water tank, a second security filter, a second booster pump, a second RO device and a pure water tank connected from the raw water end to the water outlet end sequentially through a pipeline and further comprises first to sixth three-way valves, an EDI module, a CIP disinfection device and a heat exchanger. A working method of the device is further provided. The first RO device, the second RO device and the EDI module are chemically disinfected by the CIP disinfection device, and the remaining components are subjected to pasteurization through pure water heated and introduced by the heat exchanger. The disinfection mode of structural properties of different components is reasonably distinguished to prevent damage to the device caused by improper disinfection modes, the service life of the device is prolonged, and the quality of the disinfected water is ensured.

Description

technical field [0001] The invention belongs to the technical field of industrial water equipment, and in particular relates to an automatic cleaning and disinfection pure water production equipment and a working method thereof. Background technique [0002] Pure water is mainly used in industrial production and laboratories that have strict requirements on water. For the production of products in many industries such as biology, medicine, petroleum, chemical industry, semiconductor, etc., a large amount of pure water is required as process water or reaction cooling water. [0003] At present, there are many forms of disinfection methods for pure water equipment, such as pasteurization, chemical disinfection, etc., but there is no specific disinfection method for each part of the equipment, such as chemical disinfection. In the whole set of equipment, the sand filter and carbon filter used as the pre-filter will inevitably absorb a small amount of chemical substances and aff...

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Problems solved by technology

[0003] At present, there are many forms of disinfection methods for pure water equipment, such as pasteurization, chemical disinfection, etc., but there is no specific disinfection method for each part of the equipment, such as chemical disinfection. In the whole set of equipment, the sand filter and carbon filter used as the pre-filter will inevitably absorb a small amount of chemical substances, which will affect the subsequent water production. However, if the reverse osmosis device and EDI module are washed and disinfected at high temperature, it is difficult to guarantee the damage of their internal precision structures.

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