Filter plate structure of non-membrane-type pressure filter
A technology of filter press without diaphragm, which is applied in the field of filter press, which can solve the problems of low efficiency, short service life, complicated production, etc., and achieve the effects of high efficiency, reduced energy consumption, and high cycle speed
Inactive Publication Date: 2013-07-31
浙江金鸟压滤机有限公司
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Problems solved by technology
[0009] The purpose of the present invention is to provide a filter plate structure for a filter press without a diaphragm, which can effectively solve the problems of complicated production, short service life and low efficiency of existing rubber or plastic diaphragm filter presses
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Embodiment Construction
[0040] like Figure 1 to Figure 9 Shown is the filter plate structure of the filter press without diaphragm press of the present invention, including at least one filter unit, each filter unit includes two filter plates 1, an elastic press frame 2 is arranged between the two filter plates 1, and the elastic press A seal is formed between the frame 2 and the filter plate 1 .
[0041]When the filter press is a chamber filter press, a support plate 3 is provided between the two filter plates 1, a filter chamber 4 is formed between the filter plate 1 and the adjacent filter unit, and the elastic press frame 2 includes a press movable frame 21 and The spring 22 is provided with a sealing ring 5 outside the movable pressing frame 21, and the movable pressing frame 21 is connected to the end of the filter plate 1.
[0042] When the filter press is a plate and frame filter press, a filter chamber 4 is formed between the two filter plates 1, the elastic press frame 2 is arranged at th...
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The invention discloses a filter plate structure of a non-membrane-type pressure filter, which comprises at least one filter unit, wherein each filter unit comprises two filter plates, an elastic pressing frame is arranged between the two filter plates, and the elastic pressing frame and the filter plates are sealed. When the pressure filter is a box-type pressure filter, a support plate is arranged between the two filter plates, a filter chamber is formed between the filter plates and the adjacent filter unit, the elastic pressing frame comprises pressing movable frames and springs, the pressing movable frames are connected with the ends of the filter plates, and the two ends of the spring are respectively propped against the two pressing movable frames and pass through the support plate. The filter cake formed by filtration is compressed and pressed under high pressure and ultrahigh pressure by the filter plate structure of the invention, the filter cake bridging strength formed during the filtering process of the material is overcome to reach the critical pressure for pressing, thereby the subsequent processing link of the whole filtration can be reduced, the operation cost of the process is reduced, meanwhile more power consumption also can be reduced, and malfunction is not easy to occur because single hydraulic pressure is adopted as a pressure source.
Description
technical field [0001] The invention relates to a filter press. Background technique [0002] Filter press is an intermittent filtration separation equipment for solid-liquid separation operation, applicable to a wide range of industries. After the 1980s, the filtration theory developed compaction and compression branch theory. The original ordinary plate and frame filter press was changed into a box filter press due to the influence of the compaction theory and technological progress. The pressure is higher, the density of the filter cake produced after filtration is higher, and the moisture content is lower; in the 1990s, it was especially influenced by the filter plate of the German van diaphragm press filter press, focusing on the development of pressing technology, using rubber or plastic diaphragms (Air pressure or water pressure) pressing and filtering, the dehydration of the formed filter cake is better. For example, in the environmental protection industry of slud...
Claims
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IPC IPC(8): B01D25/12B01D25/21
Inventor 贺仲宪范小华王春利
Owner 浙江金鸟压滤机有限公司