A filter press press, cross-flow gas drying and preheating device and its realization method
A technology of gas drying and preheating device, which is applied in separation methods, chemical instruments and methods, filtration and separation, etc., and can solve problems such as dehumidification and heating effects that need to be improved
Inactive Publication Date: 2016-08-17
拜城县众泰煤焦化有限公司
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Problems solved by technology
The current pressing and cross-flow are generally carried out with high-pressure air at room temperature, and the dehumidification and heating effects need to be improved
Method used
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Embodiment 2
[0020] Embodiment 2, on the basis of Embodiment 1, the heat exchanger 10 in the present invention can be specifically improved and designed as a phase-change heat exchanger, as shown in the attached figure 2 As shown, the phase change heat exchanger is a cylindrical structure, including an auxiliary heating shaft 101, an inner phase change material layer 102, a high-pressure air heat exchange layer 103, an outer phase change material layer 104, and a waste heat recovery layer 105. The auxiliary heating shaft 101 is arranged in the middle of the cylinder structure, and the auxiliary heating shaft 101 is wrapped with an inner phase change material layer 102, and the inner phase change material layer 102 is wrapped with a high-pressure air heat exchange layer 103, so The high-pressure air heat exchange layer 103 is wrapped with an outer phase change material layer 104, and the outer phase change material layer 104 is wrapped with a waste heat recovery layer 105, and the waste hea...
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The invention discloses a press and cross-flow gas drying and preheating device of a press filter. The press and cross-flow gas drying and preheating device comprises an air compressor, an air dryer, a compressed air storage tank, a heat exchanger and an electric heater, wherein the air compressor comprises two outlet ends, namely a high-pressure air outlet end and a waste heat outlet end, the high-pressure air outlet end is connected with the inlet end of the compressed air storage tank through the air dryer, and the outlet end of the compressed air storage tank is connected with the inlet end of the heat exchanger; the waste heat outlet end of the air compressor is directly connected with the inlet end of the heat exchanger; the heat exchanger comprises two outlet ends, wherein one outlet end is connected with a press air inlet of the press filter through a self-regulation valve, and the other outlet end is connected with a cross-flow air inlet of the press filter through the electric heater. By adopting the press and cross-flow gas drying and preheating device, the dehydration efficiency of the press filter is effectively improved, the moisture of the filter cake is reduced, and the waste heat of the air compressor is recycled.
Description
technical field [0001] The invention relates to a device and method for dehumidifying and heating the compressed and flowing gas of a filter press. Background technique [0002] Filter press is a commonly used solid-liquid separation equipment, which is widely used in various industries. Some of the filter presses use high-pressure (or low-pressure) air press and flow-through techniques to improve their solid-liquid separation efficiency. Squeezing is to destroy the arch bridge formed between the particles through the pressure of the diaphragm, and squeeze out the filtrate remaining in the gap between the particles; through-flow refers to blowing high-pressure air from the corner hole or the feeding hole of the filter plate, and the air flows through the filter cake from the filter plate. It is discharged through the outlet hole, taking away the slurry in the center tube and taking away the capillary water in the filter cake at the same time. The current pressing and cross...
Claims
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IPC IPC(8): B01D53/26B01D25/12
Inventor 毛志民张凯杜世亮蒋善勇刘斌斌王海裴健宇兰鹏兵殷雪渊
Owner 拜城县众泰煤焦化有限公司