CN216605283U - Purify regenerating unit in lactitol production process - Google Patents
Purify regenerating unit in lactitol production process Download PDFInfo
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- CN216605283U CN216605283U CN202123217971.6U CN202123217971U CN216605283U CN 216605283 U CN216605283 U CN 216605283U CN 202123217971 U CN202123217971 U CN 202123217971U CN 216605283 U CN216605283 U CN 216605283U
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Abstract
The utility model provides a purification and regeneration device in the production process of lactitol, which comprises an ion exchange column, wherein the liquid inlet end of the ion exchange column is connected with a liquid inlet pipe, the liquid inlet pipe is connected with a regenerant container and a desalted water container, the ion exchange column is provided with a liquid discharge pipe, the liquid discharge pipe is provided with a blow-down valve, the ion exchange column is provided with a backflow pipeline, the backflow pipeline is provided with a backflow valve, and the backflow pipeline is communicated with the liquid inlet pipe. The beneficial effects of the utility model are as follows: reasonable in design, simple structure, safe and reliable when guaranteeing regeneration effect, reduces the use amount of regenerant and demineralized water.
Description
Technical Field
The utility model relates to the technical field of lactitol production equipment, in particular to a purification and regeneration device in a lactitol production process.
Background
In the production process of lactitol, liquid lactitol needs to be subjected to an ion exchange process to remove some metal ions in materials to achieve the purpose of purification, and after resin filled in an ion exchange column is saturated in adsorption, a regenerant needs to be used for regeneration.
How to solve the above technical problems is the subject of the present invention.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides the purification and regeneration device in the production process of the lactitol, which has the advantages of reasonable design, simple structure, safety and reliability, ensures the regeneration effect and reduces the use amount of a regenerant and desalted water.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a purification and regeneration device in the production process of lactitol, which comprises an ion exchange column, wherein the liquid inlet end of the ion exchange column is connected with a liquid inlet pipe, the liquid inlet pipe is connected with a regenerant container and a desalted water container, the ion exchange column is provided with a liquid discharge pipe, and the liquid discharge pipe is provided with a blow-down valve;
the ion exchange column is provided with a backflow pipeline, the backflow pipeline is provided with a backflow valve, and the backflow pipeline is communicated with the liquid inlet pipe.
The liquid inlet pipe is connected with a hydraulic ejector.
A regenerant inlet valve is arranged between the regenerant container and the liquid inlet pipe, and a demineralized water inlet valve is arranged between the demineralized water container and the liquid inlet pipe.
And the return pipeline is provided with a pipeline pump.
An emptying pipe is arranged above the ion exchange column, and an emptying valve is arranged on the emptying pipe
When the utility model is actually used: before the ion exchange column is regenerated, checking to ensure that all valves are in a closed state, opening a blowdown valve, a brine inlet and outlet valve and a regenerant inlet valve in sequence during regeneration, bringing regenerant into the ion exchange column through a hydraulic ejector, adjusting the opening of a valve according to process requirements, sampling and detecting the concentration of the regenerant at the blowdown valve at any time, closing the brine inlet and outlet valves and opening a reflux valve in sequence when the regenerant flows out, opening a pipeline pump, and adjusting the regenerant inlet valve in due time according to process requirements, circulating the steps, and closing the pipeline pump, the reflux valve and the regenerant inlet valve in sequence after the concentration of the regenerant in the ion exchange column meets the process requirements to finish the regeneration process.
The utility model has the beneficial effects that: the device has the advantages that the structure is simple, the design is reasonable, in order to solve the problem that the consumption of the regenerant and the demineralized water is high, the pipeline pump is additionally arranged at the sewage discharge port, the water replaces fresh demineralized water to be pumped to the hydraulic ejector again through the lifting function of the pump, a small amount of new regenerant is brought into the ion exchange column through the ejector, the process is circulated until the concentration of the regenerant meets the process requirement, the consumption of the regenerant and the demineralized water can be reduced through the device, and the pollutant discharge amount is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Wherein the reference numerals are: 1. a brine inlet and outlet valve; 2. a hydraulic ejector; 3. a regenerant inlet valve; 4. a blowoff valve; 5. an evacuation valve; 6. and (4) performing ion exchange column.
Detailed Description
Technical characteristics of the scheme can be clearly explained, and the scheme is explained through a specific implementation mode.
Referring to fig. 1, the embodiment is a purification and regeneration device in the production process of lactitol, comprising an ion exchange column 6, wherein a liquid inlet end is connected with a liquid inlet pipe, the liquid inlet pipe is connected with a hydraulic ejector 2, the liquid inlet pipe is connected with a regenerant container and a desalted water container, the ion exchange column 6 is provided with a liquid discharge pipe, a regenerant inlet valve 3 is arranged between the regenerant container and the liquid inlet pipe, and a desalted water inlet valve 1 is arranged between the desalted water container and the liquid inlet pipe.
The ion exchange column 6 is provided with a return pipeline, the return pipeline is provided with a return valve 7, the return pipeline is communicated with a liquid inlet pipe, and a pipeline pump 8 is arranged on the return pipeline.
An emptying pipe is arranged above the ion exchange column 6, and an emptying valve 5 is arranged on the emptying pipe.
The drain pipe is provided with a blow-off valve 4.
When the utility model is actually used: before the ion exchange column 6 is regenerated, checking to ensure that all valves are in a closed state, during regeneration, opening the blowdown valve 4, the brine inlet and outlet valve 1 and the regenerant inlet valve 3 in sequence, bringing the regenerant into the ion exchange column 6 through the hydraulic ejector 2, adjusting the opening of the valve according to process requirements, sampling and detecting the concentration of the regenerant at the blowdown valve 4 at any time, when the regenerant is detected to flow out, closing the brine inlet and outlet valves 1 and 4 in sequence, opening the reflux valve 7, opening the pipeline pump 8, timely adjusting the regenerant inlet valve 3 according to process requirements, circulating in such a way, and after the concentration of the regenerant in the ion exchange column 6 meets the process requirements, closing the pipeline pump 8, the reflux valve 7 and the regenerant inlet valve 3 in sequence to finish the regeneration process.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (5)
1. A purification and regeneration device in the production process of lactitol is characterized by comprising an ion exchange column (6), wherein the liquid inlet end of the ion exchange column (6) is connected with a liquid inlet pipe, the liquid inlet pipe is connected with a regenerant container and a desalted water container, the ion exchange column (6) is provided with a liquid discharge pipe, and the liquid discharge pipe is provided with a blow-down valve (4);
the ion exchange column (6) is provided with a backflow pipeline, the backflow pipeline is provided with a backflow valve (7), and the backflow pipeline is communicated with the liquid inlet pipe.
2. Purification and regeneration device in the production of lactitol according to claim 1, wherein the liquid inlet pipe is connected with a hydraulic ejector (2).
3. Purification and regeneration device in the production of lactitol according to claim 1, wherein a regenerant inlet valve (3) is arranged between the regenerant container and the liquid inlet pipe, and a demineralized water inlet valve (1) is arranged between the demineralized water container and the liquid inlet pipe.
4. Purification and regeneration device in the production of lactitol according to claim 1, wherein the return line is provided with a line pump (8).
5. Purification and regeneration device in the production of lactitol according to claim 1, wherein an evacuation pipe is arranged above the ion exchange column (6), and an evacuation valve (5) is arranged on the evacuation pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217971.6U CN216605283U (en) | 2021-12-21 | 2021-12-21 | Purify regenerating unit in lactitol production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217971.6U CN216605283U (en) | 2021-12-21 | 2021-12-21 | Purify regenerating unit in lactitol production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216605283U true CN216605283U (en) | 2022-05-27 |
Family
ID=81705896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123217971.6U Active CN216605283U (en) | 2021-12-21 | 2021-12-21 | Purify regenerating unit in lactitol production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216605283U (en) |
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2021
- 2021-12-21 CN CN202123217971.6U patent/CN216605283U/en active Active
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