Pervaporation membrane separator
A pervaporation membrane and separator technology, applied in the field of membrane separators, can solve the problems of high cost and large volume, and achieve the effect of cost reduction and volume reduction
Active Publication Date: 2014-07-09
NINGBO SINYUAN IND GRP CO LTD
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Problems solved by technology
In this method, the size of the cover needs to be sufficient to cover the entire membrane, resulting in a large facility, and the cost of ensuring the airtightness of the large facility is high
Method used
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[0027] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment: see figure 1 , for the convenience of observation, figure 1 An exploded view of only one of the membrane elements is given in . A pervaporation membrane separator, comprising a membrane frame 2, a plurality of stacked membrane units 3 are arranged in the membrane frame 2, the membrane frame 2 includes a top plate 21 and a bottom plate 22, and after a screw 23 passes through the top plate 21 and the bottom plate 22, the screw at both ends Connected to the nut 24 , the membrane unit 3 is clamped and fixed between the top plate 21 and the bottom plate 22 . The middle part of each said membrane unit 3 is a wire mesh plate 31, and the top of the wire mesh plate 31 is sequentially provided with a porous support plate 32, a filter membrane 33 and a deflector 1, and the structure below the wire mesh plate 31 in the membrane unit 3 The screen plates...
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A pervaporation membrane separator comprises a membrane frame. A plurality of membrane units arranged in overlapping mode are arranged in the membrane frame. A silk screen plate is arranged in the middle of each membrane unit. A multi-porous support plate, a filtering membrane and a flow guide plate are sequentially arranged above the silk screen plate. A structure under the silk screen plate in the membrane unit is arranged symmetrically with the silk screen plate as the symmetrical center. The separator further comprises a feeding channel and a discharging channel penetrating through the multi-porous support plate, the silk screen plate and the flow guide plate, a hollow material storage cavity is arranged in the middle of the flow guide plate, a first flow guide hole communicated with the feeding channel and the material storage cavity and a second flow guide hole communicated with the discharging channel and the material storage cavity are further arranged on the flow guide plate. The separator further comprises a vacuum channel penetrating through the membrane units, and the silk screen plate is communicated with the inside of the vacuum channel. The separator utilizes a vacuum runner to collect separated gas substances. Due to the fact that the vacuum runner is arranged in the membrane separator, the size of the vacuum membrane is greatly reduced compared with the existing cover covering the whole membrane separator, and cost is greatly reduced.
Description
technical field [0001] The invention relates to a membrane separator, in particular to a pervaporation membrane separator capable of collecting separated gas inside. Background technique [0002] The pervaporation membrane separator (hereinafter referred to as the membrane device) is composed of several membrane units. When in use, the membrane device sends the feed liquid to be treated into the membrane module from the inlet of the membrane module, and flows through the membrane. Surface and after separation, it flows out from the discharge channel. It can replace traditional separation methods such as distillation, extraction, and adsorption, and can achieve separation requirements that are difficult or impossible to achieve by these conventional methods. It is more obvious in the removal of small or trace amounts of water in organic matter or organic mixtures of multiple components. It can be widely used in the recovery and reuse of solvents in the pharmaceutical, fine c...
Claims
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IPC IPC(8): B01D61/36
Inventor 袁奕琳徐丹丹
Owner NINGBO SINYUAN IND GRP CO LTD