Photovoltaic industry to replace machinery? At first glance, many people find it a little unbelievable. Photovoltaic industries that are almost at the same time as foreign countries and have a first-class level of mechanical equipment must also implement machine substitutions.

In fact, how? Looking at a group of data first, in 2013 the labor productivity of the photovoltaic industry in Zhejiang Province was 138,000 yuan per person per year, and the industrial labor productivity of the province was 170,000 yuan per person per year. In other words, the labor productivity of the photovoltaic industry is much lower than the industry average of the province.

Originally, although the production links of photovoltaic products such as purification, pull-rods, and slicing have long been fully automated, individual components such as the production of single-cell solar cells and the production of components for cell modules and color screening of cells have always been dependent on labor and are typical. Labor-intensive. Recently, the reporter saw an interesting scene in the module production workshop of Zhejiang Shuqimeng Photovoltaic Technology Co., Ltd.: No. 1 module workshops still use traditional manual production components, and there are only two fully automatic string welding machines in the adjacent No. 2 module workshop. Workers are barely visible in the workshop.

The company’s deputy general manager, Jin Youkang, introduced that, at most, there were more than 200 workers in the two component workshops, and there were currently 140 people after purchasing the fully automatic stringer. He calculated an account for the reporter: A fully automatic stringer can be reduced by at least 35 workers, with a monthly salary of more than 3,000 yuan per worker. The labor cost for one year is not less than 1.3 million yuan. And a stringer costs 1.5 million yuan, equivalent to one year to recover the cost.

Reducing employment is only the surface effect brought by machine substitution. For photovoltaic companies, the large customers and large orders won by machine substitution and upgrading product quality are the fundamental driving forces.

From the neighboring provinces, the person in charge of China Electric (Nanjing) New Energy Co., Ltd. introduced that the company's major customers to meet, the first question to meet is "whether the module production is manual welding or machine welding?" A manual welding, immediately turned around Leave. Since January of this year, the company has completely replaced the manual welding of components with an automatic welding machine. The effect is immediate: the battery chip rate has dropped from 0.68% to 0.25%, and the process qualification rate has increased from 98.56% to 99.61%, per unit. The annual production capacity of 100MW is used to calculate that the annual battery fragment cost will be reduced from RMB 1.66 million to RMB 61 million, and the annual non-performing product cost will be reduced from RMB 5.76 million to RMB 1.56 million, which is a decrease of 63% and 73% respectively.

"At present, the worker's turnover rate in the photovoltaic industry is 8% per month, which is equivalent to one year. Workers in the entire factory have been replaced once again." Dr. Zhao Yonghong, Secretary-General of the Provincial Strategic Alliance for Photovoltaic Technology Innovation, introduced.

Against this background, the replacement of machines in the photovoltaic industry is on the verge.

As a well-known photovoltaic company in the province, the four factories of Zhengtai Solar Company can explain the problem. The company has one factory in Hangzhou, Shanghai, Jiuquan and Germany. Among them, the earliest construction of a factory in Hangzhou, the module production is basically full of artificial production; Shanghai, Jiuquan factory design, has been considered in automation, the current production is at a semi-automated level; and the German factory acquired last year, in addition to the company last Apart from packaging, all other production processes are fully automated and fully automated.

At present, Zhengtai Solar’s ​​machine substitution plan has been fully started. The company plans to invest 50 million yuan in 2016, use a German factory as a sample for 3 years, and build all factories into fully automated production workshops. By then, the existing 2,800 workers will be reduced by half.

This wave, which further enhances the level of production automation, has been quietly surging in the province's photovoltaic industry. According to the calculation of related departments, according to the calculation of the current production capacity of photovoltaic modules in Zhejiang Province, after the automation of the production of components is fully automated, the number of workers can be reduced by more than 10,000. The greater benefit lies in improving the competitiveness of Zhejiang-made photovoltaic products.

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