A papermaking white water air flotation filter device
A filtration device, water and gas technology, applied in filtration treatment, water/sewage multi-stage treatment, degassed water/sewage treatment, etc., can solve the problems of affecting work efficiency, reducing the ability to remove scum, troublesome shutdown and cleaning, etc. To achieve the effect of improving filtration effect and improving water purification effect
Active Publication Date: 2021-05-28
莱阳银通纸业有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a papermaking white water air flotation filter device to solve the problem that the ability of the existing air flotation machine to remove scum will be reduced after processing the papermaking white water for a period of time, and the shutdown cleaning is not only troublesome but also It affects work efficiency, so it is necessary to re-filter the papermaking white water after air flotation
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0029] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and "surrounding" orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than Any indication or implication that a referenced component or element must have a particular orientation, be constructed and operate in a particular orientation should not be co...
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The invention discloses a filter device for papermaking white water after air flotation, and relates to the technical field of filter devices. The invention includes several legs, a box body and a box cover, the box cover is snap-connected with the box body, the upper end of the legs is fixedly connected with the lower surface of the box body, an adsorption chamber is installed inside the box body, and several layers of activated carbon plates are arranged in the adsorption chamber . In the present invention, through the use of cams, rollers, cylinders, return pipes, pistons, springs and one-way valves, the water in the box continuously enters the cylinder, and then enters the adsorption chamber through the return pipe, and the papermaking white water passing through the separation cylinder and the adsorption chamber Circulate and filter for many times to improve the filtering effect; the present invention uses activated carbon plates, separation screens and separation rods to make papermaking white water first absorb most of the impurities through the activated carbon plates after entering the device, then enter the separation screens for separation, and finally pass through the The third filtration is performed when the rod is separated to improve the water purification effect.
Description
technical field [0001] The invention belongs to the technical field of filtering devices, and in particular relates to a filtering device for papermaking white water after air flotation. Background technique [0002] Papermaking is the process of turning pulp into paper. In the modern papermaking industry, it is carried out continuously on the paper machine. The pulp suitable for paper quality is diluted with water to a certain concentration, and then dehydrated in the wire part of the paper machine to form a wet paper sheet, which is then squeezed, dehydrated, and dried to make paper. . The water after papermaking is generally returned to use after the scum is taken out by the air flotation machine. [0003] However, the ability of the air flotation machine to remove scum after processing the papermaking white water for a period of time will also decrease, and the shutdown cleaning is not only troublesome but also affects work efficiency, so it is necessary to refilter th...
Claims
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IPC IPC(8): C02F9/02C02F103/28
CPCC02F1/001C02F1/20C02F1/28C02F1/38C02F9/00C02F2103/28
Inventor 李长增李波
Owner 莱阳银通纸业有限公司