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nature : by cutting, screening, dust and other mechanical pretreatment plant fiber materials, chemicals in the cooking liquid under high temperature and high pressure Add cooking devices and so on lignin and other impurities dissolved in the system and remove chemical pulp. Cooking devices can be divided into intermittent and continuous two. Another batch of the vertical or horizontal cylindrical and spherical pressure vessels, both of steam heating. Vertical-called big pot cooking, larger capacity, fixtures, normally accompanied by the liquor circulation equipment. Cooking devices commonly known as spherical balls steamed generally smaller capacity, rotary device. Continuous the vertical pipe and two, is equipped with automatic measurement and control equipment, is a new type of cooking device that apply to caustic soda, Kraft or semi-chemical wood pulp or pulp production so.
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