Beet sugar decalcification system

A technology of beet sugar and ion exchange resin, applied in the field of beet sugar decalcification system, can solve the problems of difficult treatment of regenerated waste liquid and difficult removal of calcium salt, and achieve the effects of saving labor costs, prolonging service life and continuous production

Inactive Publication Date: 2022-04-05
欧尚元(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The main technical problem to be solved by the present invention is that it is difficult to remove calcium salts in beet sugar production, and it is difficult to treat regeneration waste liquid when dec

Method used

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  • Beet sugar decalcification system
  • Beet sugar decalcification system
  • Beet sugar decalcification system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as image 3 As shown, this embodiment is designed according to 16 columns, and the simulated movement of the ion exchange resin column is realized by switching the valve array, and the operation is continuous. The 16 resin columns are assigned to the 1#-16# process position, respectively:

[0046] Production area (1#——10#): 10 resin columns are connected in parallel to run, and the beet syrup juice passes through the resin layer of these 10 resin columns in parallel for ion exchange to achieve the purpose of decalcification, and the regenerated resin column is switched into This area starts from the 10# process position and switches to the 1# process position one by one, and the degree of resin failure gradually deepens until it fails; although this embodiment uses 10 resin columns, it is not to limit the number of resin columns in the production area. The quantity can be set according to the amount of material processed, etc.

[0047] The feed tank T-DC01 is con...

Embodiment 2

[0063] Example 2 Resin Regeneration Test: Regenerate Saturated Resin Using NaCl and NaOH to Soften Dilute Juice

[0064] The control group used 10% NaCl solution as the resin regeneration solution, 200g of salt per liter of resin regeneration, 20g of CaO per liter of thin juice, and 10g of salt was consumed for removing 1g of CaO.

[0065] The experimental group used 6% NaOH softened dilute juice as the resin regeneration solution, 136.8g of NaOH per liter of resin regeneration, 20g of CaO per liter of the dilute juice, and 7.1g of NaOH per 1g of CaO removal.

[0066] The comparative indicators of beet sugar decalcification regeneration methods are as follows:

[0067]

Embodiment 3

[0068] The comparison of embodiment 3 traditional ion-exchange resin column and the small-diameter ion-exchange resin column of the present invention

[0069] In the multi-unit continuous separation system, when using 16 small columns with a diameter of 1.2m, the resin filling volume of the entire system is 28m 3 Left and right, the running line speed is 30m / h, and the flow rate of the material is 340m 3 / h.

[0070] In a traditional fixed bed, when two large columns with a diameter of 3.45m are used, the resin filling volume of the entire system is still 28m 3 Left and right, the running line speed is 30m / h, and the flow rate of the material is 280m 3 / h.

[0071] In comparison, it can be seen that with the same resin loading, the multi-unit continuous ion exchange system can obviously handle more materials.

[0072] At the same time, due to the small diameter of the ion exchange resin column, the efficiency of backwashing and regeneration is higher, and the eluent and re...

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Abstract

The invention discloses a beet sugar decalcification system. A production area comprises a plurality of ion exchange resin columns which are arranged in parallel; the cooling backwashing area comprises a failed ion exchange resin column switched from the production area; the regeneration area comprises an ion exchange resin column switched from the cooling backwashing area, and NaOH softening thin juice is used for regenerating resin in the ion exchange resin column subjected to backwashing; the leaching and preheating zone comprises an ion exchange resin column switched from the regeneration zone, and the softening thin juice leaches and preheats resin in the ion exchange resin column. After the softened thin juice obtained through the beet sugar thin juice softening method enters a subsequent evaporator and other procedures, the scaling phenomenon of the evaporator and crystallization sugar boiling equipment is reduced, the situation that production is stopped due to descaling of the evaporator and other equipment is avoided, continuous production of beet sugar is achieved, and labor cost is saved. And meanwhile, the service lives of the evaporator and the crystallization sugar boiling equipment are prolonged.

Description

technical field [0001] The invention relates to the technical field of beet sugar production, in particular to a beet sugar decalcification system. Background technique [0002] The ion exchange method began in the 1940s. It utilizes the unique ion exchange properties of synthetic resins and has a wide range of applications in material purification technology. At the end of the 20th century, all beet sugar producing countries in the world, especially Europe and the United States, have made great progress in ion exchange cleaning sugar juice from research to application, from resin decalcification, desalination, dealkalization to resin decolorization, etc. A lot of successful experiences have been obtained. [0003] The domestic sugar industry applies resin decalcification to sugar production. In recent years, it is mainly the sugar cane sugar enterprises in the south, and the sugar beet sugar enterprises in the north have tried resin decalcification. However, due to the imm...

Claims

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Application Information

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IPC IPC(8): C13B20/14B01J47/022B01J49/53
CPCC13B20/144B01J47/022B01J49/53
Inventor 唐海静苏鑫张成伟王成全甄小琴王启明支冬生
Owner 欧尚元(天津)有限公司
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