Novel double falling film melting crystallizer and substance separation process thereof

A melting crystallizer, material separation technology, applied in the direction of crystallization separation, solution crystallization, separation method, etc., to achieve the effect of stable and accurate temperature, prevention of uneven film formation, and simple process

Pending Publication Date: 2018-12-21
JIANGSU DUBLE ENG +2
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a new type of double falling film melting crystallizer to ensure that the liquid that does not form a film can be redistributed, prevent the non-uniform film formation caused by crystallization, and ensure the formation of a film. Film heat transfer effect

Method used

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  • Novel double falling film melting crystallizer and substance separation process thereof
  • Novel double falling film melting crystallizer and substance separation process thereof
  • Novel double falling film melting crystallizer and substance separation process thereof

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Embodiment Construction

[0029] 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.

[0030] refer to Figure 1-9 , a novel double falling film melting crystallizer, comprising an inner tube 1, an outer tube 2, an upper shell 19 and a lower shell 20, the top of the upper shell 19 is connected with a purified material inlet 3 and an overflow discharge port 9, The bottom of the lower casing 20 is connected with the outlet 4 of the purified material, one end of the upper casing 19 is connected with the inlet 5 of the cooling and heating medium, and one end of the lower casing 20 is connected with the outlet 6 of the cooling and heating medium. The upper casing 19 and the lower casing 20 There is an outer tube 2 connected therebetween, and an inner tube 1...

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Abstract

The invention relates to a novel double falling film melting crystallizer and a substance separation process thereof, relating to the technical field of substance purification through melting and crystallizing. The top of an upper shell is communicated with a purified substance inlet and an overflow release outlet separately, the bottom of a lower shell is communicated with a purified substance outlet, an outer tube is communicated between the upper shell and the lower shell, an inner tube is sheathed in the outer tube, cold and holt mediums flow between the outer tube and the inner tube, theouter tube is internally provided with an outer tube pull rod, the outer tube is further provided with an outer tube filming head, the outer tube filming head is provided with an outer tube filming hole, the inner tube is internally provided with an inner tube pull rod, the inner tube is provided with an inner tube filming head, and the inner tube filming head is provided with an inner tube filming hole. Through adoption of the novel double falling film melting crystallizer, liquid not forming a film can be redistributed, so as to avoid uneven filming caused by crystallization, a heat transfereffect of the formed film is ensured, and constant temperature is controlled accurately in separation, crystallization and melting of substances.

Description

technical field [0001] The invention relates to the technical field of material purification by melting crystallization, in particular to a novel double falling film melting crystallizer and a material separation process. Background technique [0002] At present, there are various forms of melting crystallizers. The melting crystallizers include drum crystallizers, surface continuous crystallizers (casing crystallizers), horizontal melting crystallizers, and film-forming crystallizers. The film-making melting crystallizer has received more and more attention due to its continuous high efficiency. [0003] The double falling film melting crystallizer has the characteristics of more accurate temperature control and continuous operation. Contents of the invention [0004] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a new type of double falling film melting crystallizer to ensure that the liquid that does not form a film can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D9/02
CPCB01D9/00B01D9/0013B01D9/0063B01D2009/0086
Inventor 黄鹏李春生冯博博
Owner JIANGSU DUBLE ENG
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