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Compound crystallization device, compound preparation system and compound crystallization process

A crystallization device and preparation system technology, which is applied to the general layout of the crystallization device, solution crystallization, crystallization separation, etc., can solve problems such as uneven heat release, too fast local crystallization, and excessive crystal particle size deviation, so as to improve the finished product The effect of improving quality, improving work efficiency, and shortening the overall time

Pending Publication Date: 2020-02-07
SHANDONG TIANLI DRYING TECH & EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The object of the present invention is to provide a compound crystallization device, preparation system and crystallization process thereof, so as to alleviate the need to reduce the compound solution from a high temperature to a certain temperature in the process of crystallizing a compound capable of crystallization by using a biological fermentation method in the prior art. In the range, the exothermic duration of the compound solution is too long, resulting in too uneven exothermic heat everywhere, prone to local crystallization too fast or too slow, which will lead to excessive deviation of crystal particle size and seriously affect the quality of the finished compound product question

Method used

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  • Compound crystallization device, compound preparation system and compound crystallization process
  • Compound crystallization device, compound preparation system and compound crystallization process
  • Compound crystallization device, compound preparation system and compound crystallization process

Examples

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Embodiment 1

[0048] like figure 1 As shown, the compound crystallization device provided in this embodiment includes a multi-stage cooling unit 1, each cooling unit 1 includes a cooling chamber 10, and a refrigeration module 11 is arranged in the cooling chamber 10, and the refrigeration module 11 is used to make the cooling chamber 10 The compound solution is maintained within the set temperature range. The cooling chambers 10 in the multi-stage cooling unit 1 communicate in sequence. In any adjacent two-stage cooling unit 1, the refrigeration module 11 of the latter-stage cooling unit 1 is used to make the temperature of the cooling chamber 10 of the cooling unit 1 of this stage lower than that of the cooling chamber 10 of the cooling unit 1 of the previous stage. temperature.

[0049] When using the compound crystallization device to crystallize a crystallizable compound solution, the compound solution can be sent into the cooling chamber 10 in the first-stage cooling unit 1 . The ab...

Embodiment 2

[0092] like figure 2 As shown, the compound preparation system provided in this example includes the solution concentration device and the compound crystallization device in Example 1. The solution concentration device includes a heating chamber 4 and a heating module 5 , and the heating module 5 is used to heat the moisture in the compound solution in the heating chamber 4 . The cooling chamber 10 in the cooling unit 1 of the first stage in the compound crystallization device communicates with the heating chamber 4 .

[0093] The solution concentration device can use the heating module 5 to heat and evaporate the moisture in the compound solution in the heating chamber 4, thereby increasing the concentration of the compound solution, so that the compound solution forms a saturated solution, or even a supersaturated solution, which is used for the next step. The device prepares the compound solution for crystallization.

[0094] In this embodiment, it is preferable to conce...

Embodiment 3

[0113] like image 3 As shown, the compound crystallization process provided in this embodiment includes:

[0114] Step S1: cooling the compound solution in a cooling chamber whose temperature is within a set temperature range;

[0115] Step S2: transporting the compound solution to a next-level cooling chamber with a lower temperature range to cool the compound solution;

[0116] Step S3: repeat step S2 until the compound solution is cooled until crystallization of the compound occurs.

[0117] The compound crystallization process provided in this example can use the compound crystallization device in Example 1 to sequentially implement the above steps S1, S2 and S3, and then crystallize the compound in the compound solution.

[0118] Further, the compound crystallization process provided in this example can also use the vacuum pump in the compound crystallization device in Example 1 to exhaust the gas in the cooling chamber in step S1 and step S2, so as to reduce the air p...

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Abstract

The invention provides a compound crystallization device, a compound preparation system and a compound crystallization process, and relates to the technical field of compound preparation. The compoundcrystallization device comprises multi-stage cooling units; the cooling units comprise cooling chambers; refrigeration modules are arranged in the cooling chambers; multi-stage cooling chambers communicate with one another sequentially; and in the two adjacent stages of cooling units, the next stage of refrigeration module is used for enabling the temperature of the cooling chamber of the stage of the cooling unit to be less than the temperature of the cooling chamber of the previous stage of cooling unit. The compound preparation system comprises a solution concentration device and the compound crystallization device. The technical problems in the prior art that when the temperature of compound clear liquid needs to be reduced from high temperature to a certain temperature range in the process of crystallizing the compound by a biological fermentation method, the heat release duration time of the compound clear liquid is too long, heat release at each position is too non-uniform, thecondition that local crystallization is too fast or too slow is liable to occur, the crystal granularity deviation is too large and the quality of the compound finished product is seriously influenced are solved.

Description

technical field [0001] The invention relates to the technical field of compound preparation, in particular to a compound crystallization device, a preparation system and a crystallization process thereof. Background technique [0002] Succinic acid is widely used in pharmaceuticals, dyes, spices, paints, food and other fields, and has high commercial value. There are many ways to produce succinic acid, such as chemical synthesis, biotransformation, biofermentation and electrolysis. Among them, the biological fermentation method has the advantages of being environmentally friendly and can utilize waste biomass resources, so the existing succinic acid production methods mostly use the biological fermentation method. [0003] The process of producing succinic acid by biological fermentation method includes fermentation process, heating concentration process and crystallization process. Wherein, the fermentation process is to ferment the fermented raw materials used to produce...

Claims

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Application Information

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IPC IPC(8): B01D9/02
CPCB01D9/0059B01D2009/0086
Inventor 尹凤交蒋斌刘法鑫王寿权张洪建刘峰史勇春
Owner SHANDONG TIANLI DRYING TECH & EQUIP
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