"Accurate Water Consumption Online Measurement And Control System" Helps Dyeing And Printing Enterprises To Save Energy And Reduce Emissions

< p > recently, the Ministry of industry, the Ministry of water resources and the National Water Conservation Office jointly issued the catalogue (first batch) of the industrial water-saving technology, technology and equipment encouraged by the state. The Changzhou Hongda Technology Group "digital control system for printing and dyeing combined machine based on online inspection" has become the first batch of water-saving technologies, processes and equipment recommended by the Ministry of industry in the textile and dyeing industry.

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< p > with the further strict control of water resources, the printing and dyeing enterprises are faced with the problems of water consumption limitation and water cost increase. Accurate water consumption will be one of the important tasks of printing and dyeing enterprises.

"Digital control system for dyeing and printing machine based on online inspection" is a typical representative product of Changzhou's intelligent and information-based products and equipment. The system can realize digital control and digital management of production process. It is mainly the continuous detection and control of various processes in the printing and dyeing process, and the digital management of the network. It effectively manages the water, electricity, gas, output and yield of the production process, and realizes the digitalization control of printing and dyeing water technology.

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< p > the printing and dyeing digital products contained in the control system include MAX-300 type alkali concentration intelligent control system, MAX-100 weak alkali concentration intelligent control system, MSU-U type fabric moisture control intelligent control system, PH-500 type pH intelligent control system, and precise water consumption on-line measurement and control system.

In particular, the "accurate water consumption online measurement and control system" under the control system is recommended by the Chinese printing and dyeing industry association as "the recommended catalogue of advanced technologies for energy saving and emission reduction in China's dyeing and printing industry in 2013".

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< p > "precise water consumption on-line measurement and control system" adopts high precision flowmeter, linear adjustment and computer control device to form an accurate control system for water flow. At the same time, flow feedback is used to achieve constant flow control. Especially when water pressure changes, vehicle speed changes, varieties change or stop cars, flow can automatically follow changes to ensure the stability of cleanliness.

If we add the cleanliness sensor developed by Changzhou Hongda as a detection feedback signal, it will directly form a full closed loop control system. The more precise control of water can guarantee the stability of washing cleanliness fundamentally.

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< p > the system can effectively realize accurate quantitative control of washing water, ensure the consistency and stability of the process, and save water rate to 20%~30%. At the same time, it can also reduce sewage discharge and achieve cleaner production. It can achieve energy saving and emission reduction for enterprises at the source and reduce the loss of abnormal production fundamentally, reduce production costs and increase economic benefits for enterprises.

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< p > at the same time, the intelligent control of printing and dyeing water is effectively realized, instead of the original manual operation mode, the labor intensity of workers is reduced, and the stability of the process and the rate of finished products are greatly improved.

According to the recommendation catalogue of the Ministry of industry and commerce, a number of well-known enterprises in the industry are equipped with the system. After the commissioning of Changzhou Hongda "precision water consumption online measurement and control system", the water saving rate can reach more than 50%.

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