CN221334247U - Chromatographic resin chemical regeneration device and regeneration system - Google Patents

Abstract

The utility model relates to the technical field of resin regeneration, in particular to a chromatographic resin chemical regeneration device and a chromatographic resin chemical regeneration system; the chromatographic resin chemical regeneration device comprises: resin backwashing tank and potassium hydroxide tank, cleaning tank, and pit tank; the liquid outlet of the resin backwashing tank is communicated with the cleaning tank, a backwashing water outlet is arranged on the resin backwashing tank, the liquid outlet of the potassium hydroxide tank is communicated with the cleaning tank, and the liquid outlet of the cleaning tank is respectively communicated with the pit tank and the liquid inlet of the resin backwashing tank; the cleaning tank is communicated with the resin backwashing tank and the potassium hydroxide tank and the process water tank, and the cleaning tank is communicated with the 4% hydrochloric acid tank. According to the type of the chromatographic resin and the pollutant components of the chromatographic resin, the chemical regeneration device of the chromatographic resin adopts the chemical regeneration of hydrochloric acid and potassium hydroxide on the potassium-type chromatographic resin to improve the exchange capacity of the chromatographic resin and recover the mother liquor treatment capacity of the chromatographic resin on the monohydrate crystalline dextrose.

Description

Chromatographic resin chemical regeneration device and regeneration system

Technical Field

The utility model relates to the technical field of resin regeneration, in particular to a chromatographic resin chemical regeneration device and a chromatographic resin chemical regeneration system.

Background

Currently, chromatographic separation techniques are commonly used in the industry for producing crystalline dextrose monohydrate to separate a mother liquor of crystalline dextrose monohydrate from an extract and a raffinate. Sugar solution with the glucose content DP1 of more than 95% in the extracting solution is conveyed back to a production system of the monohydrate crystalline dextrose to improve the yield of the monohydrate crystalline dextrose. And the separated raffinate has a maltose content DP2 of 42% or more and is used as byproduct maltose for filling and selling.

In the whole chromatographic separation process, the used chromatographic resin is soaked in the mother solution and washing water of the crystalline dextrose monohydrate for a long time, once the indexes of the mother solution and washing water of the crystalline dextrose monohydrate are poorly controlled, the resin can be polluted without meeting the feeding requirement of chromatographic separation, and most pollutants are soluble proteins rich in the crystalline dextrose monohydrate and metal ions such as calcium ions, iron ions, magnesium ions and the like rich in the washing water are adhered to the surface layer of the chromatographic resin, so that the exchange capacity of the chromatographic resin is reduced. Meanwhile, the potassium type chromatographic resin has high value, and if the resin is replaced by a new resin, the cost is too high, and the user is confused about useless and obsolete.

Disclosure of utility model

Therefore, the utility model aims to solve the technical problems that once the mother liquor and the washing water index of the monohydrate crystalline glucose are poorly controlled and the feeding requirement of chromatographic separation is not met in the prior art, waste is caused, new resin is replaced, and the manufacturing cost is too high, thereby providing a chromatographic resin chemical regeneration device and a chromatographic resin chemical regeneration system.

In order to solve the technical problem, the present utility model provides a chromatographic resin chemical regeneration device, comprising: resin backwashing tank and potassium hydroxide tank, cleaning tank, and pit tank; the liquid outlet of the resin backwashing tank is communicated with the cleaning tank, a backwashing water outlet is arranged on the resin backwashing tank, the liquid outlet of the potassium hydroxide tank is communicated with the cleaning tank, and the liquid outlet of the cleaning tank is respectively communicated with the pit tank and the liquid inlet of the resin backwashing tank; the cleaning tank is communicated with the resin backwashing tank and the potassium hydroxide tank and the process water tank, and the cleaning tank is communicated with the 4% hydrochloric acid tank.

In some embodiments, a connecting conduit is also included for connecting the resin backwash tank and potassium hydroxide tank, purge tank, pit tank, process water tank, and 4% hydrochloric acid tank.

In some embodiments, the potassium hydroxide tank is provided with a delivery port and a stirrer is provided in the potassium hydroxide tank.

In some embodiments, a first valve and potassium hydroxide pump, and a second valve are also included, the first valve and potassium hydroxide pump, and second valve being disposed between the potassium hydroxide tank and the purge tank.

In some embodiments, a circulation valve is also included, the circulation valve being located between the potassium hydroxide pump and the potassium hydroxide tank.

In some embodiments, a break valve is provided at the top of the purge tank, and a fourth valve is provided between the purge tank and the pit tank.

In some embodiments, a fifth valve is disposed between the process water tank and the purge tank, and a sixth valve is disposed between the 4% hydrochloric acid tank and the purge tank.

In some embodiments, a resin pump and a seventh valve are provided between the resin backwash tank and the wash tank.

In some embodiments, a pit pump and an eighth valve are provided between the pit tank and the drain.

The utility model also provides a chromatographic resin chemical regeneration system which comprises the chromatographic resin chemical regeneration device.

The technical scheme of the utility model has the following advantages:

1. The chromatographic resin chemical regeneration device provided by the utility model comprises: resin backwashing tank and potassium hydroxide tank, cleaning tank, and pit tank; the liquid outlet of the resin backwashing tank is communicated with the cleaning tank, a backwashing water outlet is arranged on the resin backwashing tank, the liquid outlet of the potassium hydroxide tank is communicated with the cleaning tank, and the liquid outlet of the cleaning tank is respectively communicated with the pit tank and the liquid inlet of the resin backwashing tank; the cleaning tank is communicated with the resin backwashing tank and the potassium hydroxide tank and the process water tank, and the cleaning tank is communicated with the 4% hydrochloric acid tank.

Through setting up of resin backwash tank and potassium hydroxide jar, wash jar and pit jar to through the break-make of control resin backwash tank and potassium hydroxide jar, wash jar and pit jar, thereby realize the chemical reaction of the internal resin of every jar, according to the model of chromatographic resin and the pollutant composition of chromatographic resin, this chromatographic resin chemical regeneration device adopts hydrochloric acid and potassium hydroxide to the chemical regeneration that potassium type chromatographic resin did, improves the exchange capacity of chromatographic resin, resumes the mother liquor throughput of chromatographic resin to crystalline dextrose monohydrate. The chromatographic resin chemical regeneration device can utilize the used resin to carry out regeneration treatment, thereby reducing the manufacturing cost.

2. The utility model provides a chromatographic resin chemical regeneration device, which also comprises a connecting pipeline, wherein the connecting pipeline is used for connecting the resin backwashing tank with a potassium hydroxide tank, a cleaning tank, a pit tank, a process water tank and a 4% hydrochloric acid tank. Through the setting of connecting tube to realized that resin backwash tank and potassium hydroxide jar, wash jar, pit jar, technology water pitcher and 4% hydrochloric acid jar are connected, guaranteed that solution can be through connecting tube smooth entering to each jar internal.

3. The chromatographic resin chemical regeneration device provided by the utility model is characterized in that a feeding port is arranged on the potassium hydroxide tank, and a stirrer is arranged in the potassium hydroxide tank. The potassium hydroxide tank is provided with a feeding port at the upper part, so that the potassium hydroxide solid is conveniently placed in the potassium hydroxide tank, and the potassium hydroxide solid and the process water entering the potassium hydroxide tank are fully dissolved by using a stirrer, so that a potassium hydroxide solution is prepared, and the concentration of the potassium hydroxide solution is controlled to be 4%.

The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a chromatographic resin chemical regeneration device provided by the utility model.

Reference numerals illustrate:

1. A resin backwashing tank; 2. a cleaning tank; 3. a potassium hydroxide tank 4, a pit tank; 5. a potassium hydroxide pump; 6. a broken valve; 7. a delivery port; 8. a hydrochloric acid tank; 9. a process water tank; 10. a drainage canal, 11, a stirrer, 12 and a sixth valve; 13. a fourth valve; 14. a resin pump; 15. a fifth valve; 16. a first valve; 17. a second valve; 18. a circulation valve; 19. an eighth valve; 20. a pit pump; 21. a third valve; 22. and a ninth valve.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or communicable with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

In this disclosure, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the disclosure. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Furthermore, the present disclosure may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present disclosure are described below in conjunction with the accompanying drawings, it being understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present disclosure.

Referring to fig. 1, the present utility model provides a chromatographic resin chemical regeneration device, comprising: resin backwash tank 1 and potassium hydroxide tank 3, cleaning tank 2 and pit tank 4; the liquid outlet of the resin backwashing tank 1 is communicated with the cleaning tank 2, a backwashing water outlet is arranged on the resin backwashing tank 1, the liquid outlet of the potassium hydroxide tank 3 is communicated with the cleaning tank 2, and the liquid outlet of the cleaning tank 2 is respectively communicated with the pit tank 4 and the liquid inlet of the resin backwashing tank 1; the cleaning tank 2 is communicated with the resin backwashing tank 1 and the potassium hydroxide tank 3 and the process water tank 9, and the cleaning tank 2 is communicated with the 4% hydrochloric acid tank 8.

Through setting up of resin backwash tank 1 and potassium hydroxide tank 3, wash tank 2 and pit jar 4 to through the break-make of control resin backwash tank 1 and potassium hydroxide tank 3, wash tank 2 and pit jar 4, thereby realize the chemical reaction of the internal resin of every jar, according to the model of chromatographic resin and the pollutant composition of chromatographic resin, this chromatographic resin chemical regeneration device adopts hydrochloric acid and potassium hydroxide to the chemical regeneration that potassium type chromatographic resin did, improves the exchange capacity of chromatographic resin, resumes the mother liquor throughput of chromatographic resin to crystalline dextrose monohydrate. The chromatographic resin chemical regeneration device can utilize the used resin to carry out regeneration treatment, thereby reducing the manufacturing cost.

In some alternative embodiments, the chromatographic resin chemical regeneration device further comprises a connecting conduit for connecting the resin backwash tank 1 and the potassium hydroxide tank 3, the rinse tank 2, the pit tank 4, the process water tank 9, and the 4% hydrochloric acid tank 8.

Through the setting of connecting tube to realized that resin backwash tank 1 and potassium hydroxide jar 3, wash jar 2, pit jar 4, technology water pitcher 9 and 4% hydrochloric acid jar 8 are connected, guaranteed that solution can be through connecting tube smooth entering to each jar internal.

In some alternative embodiments, the potassium hydroxide tank 3 is provided with a delivery port 7, and the stirrer 11 is arranged in the potassium hydroxide tank 3.

By providing the inlet 7 at the upper part of the potassium hydroxide tank 3, the potassium hydroxide solid is placed in the potassium hydroxide tank 3, and the potassium hydroxide solid and the process water introduced into the potassium hydroxide tank 3 are sufficiently dissolved by the stirrer 11, so that a potassium hydroxide solution is prepared, and the concentration of the potassium hydroxide solution is controlled to be 4%.

In some alternative embodiments, the chromatographic resin chemical regeneration device further comprises a first valve 16 and a potassium hydroxide pump 5, and a second valve 17, the first valve 16 and the potassium hydroxide pump 5, and the second valve 17 being disposed between the potassium hydroxide tank 3 and the wash tank 2.

By the arrangement of the first valve 16 and the second valve 17, and the potassium hydroxide pump 5, the potassium hydroxide solution in the potassium hydroxide tank 3 is introduced into the cleaning tank 2.

In some alternative embodiments, the chromatographic resin chemical regeneration device further comprises a circulation valve 18, said circulation valve 18 being located between said potassium hydroxide pump 5 and the potassium hydroxide tank 3.

By setting the circulation valve 18, the potassium hydroxide in the potassium hydroxide tank 3 is easily and quickly dissolved, and the dissolving time is saved.

Wherein, a third valve 21 is arranged between the potassium hydroxide tank 3 and the process water tank 9, and the process water smoothly enters the potassium hydroxide tank 3 by driving the third valve 21.

In some alternative embodiments, the top of the cleaning tank 2 is provided with a blow valve 6, and a fourth valve 13 is provided between the cleaning tank 2 and the pit tank 4. The broken valve 6 is opened, so that the process water and 4% hydrochloric acid can conveniently enter the cleaning tank 2, and the resin in the cleaning tank 2 is cleaned; meanwhile, the fourth valve 13 is arranged, so that the cleaned liquid is conveniently discharged into the pit tank 4 through the connecting pipeline.

In some alternative embodiments, a fifth valve 15 is provided between the process water tank 9 and the purge tank 2, and a sixth valve 12 is provided between the 4% hydrochloric acid tank 8 and the purge tank 2. When process water is required to be added into the process cleaning tank 2, the fifth valve 15 can be opened; when it is necessary to add the 4% hydrochloric acid tank 8 to the cleaning tank 2, the sixth valve 12 may be opened.

In some alternative embodiments, a resin pump 14 and a seventh valve are provided between the resin backwash tank 1 and the wash tank 2. The resin in the resin backwash tank 1 is facilitated to enter the cleaning tank 2 by the provision of the resin pump 14 and the seventh valve. The seventh valve is used for controlling the on-off of the connecting pipeline.

A ninth valve 22 is provided between the resin backwash tank 1 and the cleaning tank 2.

In some alternative embodiments, a pit pump 20 and an eighth valve 19 are provided between the pit tank 4 and the drain 10. The arrangement of the pit pump 20 and the eighth valve 19 facilitates the entry of the liquid in the pit tank 4 into the drainage canal 10.

The utility model also provides a working method of the chromatographic resin chemical regeneration device, which comprises the following steps: potassium hydroxide dissolution: storing the prepared solid potassium hydroxide at a feeding port 7 of a potassium hydroxide tank 3, injecting process water into the potassium hydroxide tank 3 to 80% liquid level, starting a stirrer 11 for stirring, and feeding the solid potassium hydroxide into the potassium hydroxide tank 3; after the dissolution is completed, the solution in the potassium hydroxide tank 3 is circulated by a potassium hydroxide pump 5; after 10 minutes of circulation, the concentration of the potassium hydroxide solution is detected and is 4% of the potassium hydroxide solution;

physical backwashing: introducing contaminated chromatographic resin into a resin backwashing tank 1, and introducing process water from the bottom of the resin backwashing tank 1, wherein the chromatographic resin is backwashed in a manner of draining wastewater from the top of the resin backwashing tank 1, and the backwashing resin effect reaches the point that the surface layer of the resin is free of protein and fine resin is crushed; the resin cleaned with the process water is introduced into the cleaning tank 2 by the resin pump 14 to prepare for acid cleaning.

Acid washing: opening a broken valve 6 at the top of the cleaning tank 2, starting a sixth valve 12, injecting 4% hydrochloric acid into the cleaning tank 2 from the top by controlling the flow rate of the hydrochloric acid to 80 vertical/hour, and starting to accumulate the flow rate; when the liquid level of the cleaning tank 2 reaches 90%, a fourth valve 13 and an eight valve are opened, a broken valve 6 is closed, 4% hydrochloric acid is continuously added at 80 cubic meters per hour, a pit pump 20 is started, the cleaned 4% hydrochloric acid is discharged into waste water, and the resin is pickled in a mode of entering and exiting at the same time; stopping the sixth valve 12 when the flow accumulated flow reaches 105, and resetting the flow accumulated; processing process water in the cleaning tank 2, starting to clean resin, and restarting the flow accumulation; when the accumulated flow reaches 80, closing the fifth valve 15 to stop cleaning with the process water; opening a broken valve 6 to drain the process water in the cleaning tank 2; after the water in the cleaning tank 2 is discharged, the opening state of the emptying valve 6 is kept, the fourth valve 13 is closed, and the pit pump 20 is stopped;

Alkali washing: opening the first valve 16 and the potassium hydroxide outlet valve, closing the circulation valve 18, starting the potassium hydroxide pump 5, controlling the flow rate to 80 vertical/hour, and simultaneously starting the flow rate to accumulate the flow rate; when the liquid level of the cleaning tank 2 reaches 90%, the fourth valve 13 and the eighth valve 19 are opened, the emptying valve 6 is closed, the pit pump 20 is started to continuously add 4% potassium hydroxide at 80 vertical/hour, the cleaned 4% potassium hydroxide is discharged into waste water, and the resin is subjected to alkali cleaning in a mode of feeding and discharging simultaneously; when the flow accumulated flow reaches 105, the potassium hydroxide pump 5 is stopped, the first valve 16 and the second valve 17 are closed, the flow accumulated flow is cleared, and the chromatographic resin chemical regeneration process is completed.

The utility model also provides a chromatographic resin chemical regeneration system which comprises the chromatographic resin chemical regeneration device.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A chromatographic resin chemical regeneration device, characterized by comprising: a resin backwashing tank (1), a potassium hydroxide tank (3), a cleaning tank (2) and a pit tank (4);

The liquid outlet of the resin backwashing tank (1) is communicated with the cleaning tank (2), a backwashing water outlet is arranged on the resin backwashing tank (1), the liquid outlet of the potassium hydroxide tank (3) is communicated with the cleaning tank (2), and the liquid outlet of the cleaning tank (2) is respectively communicated with the pit tank (4) and the liquid inlet of the resin backwashing tank (1);

the cleaning tank (2) is communicated with the resin backwashing tank (1) and the potassium hydroxide tank (3) is communicated with the process water tank (9), and the cleaning tank (2) is communicated with the 4% hydrochloric acid tank (8).

2. The chromatographic resin chemical regeneration device according to claim 1, further comprising a connecting pipe for connecting the resin backwash tank (1) and the potassium hydroxide tank (3), the cleaning tank (2), the pit tank (4), the process water tank (9), and the 4% hydrochloric acid tank (8).

3. The chromatographic resin chemical regeneration device according to claim 2, characterized in that a delivery port (7) is provided on the potassium hydroxide tank (3), and a stirrer (11) is provided in the potassium hydroxide tank (3).

4. A chromatographic resin chemical regeneration device according to any of claims 1-3, characterized in that it further comprises a first valve (16) and a potassium hydroxide pump (5), and a second valve (17), the first valve (16) and the potassium hydroxide pump (5), and the second valve (17) being arranged between the potassium hydroxide tank (3) and the wash tank (2).

5. The chromatographic resin chemical regeneration device according to claim 4, further comprising a circulation valve (18), the circulation valve (18) being located between the potassium hydroxide pump (5) and the potassium hydroxide tank (3).

6. The chromatographic resin chemical regeneration device according to claim 5, characterized in that a broken valve (6) is arranged at the top of the cleaning tank (2), and a fourth valve (13) is arranged between the cleaning tank (2) and the pit tank (4).

7. The chromatographic resin chemical regeneration device according to claim 6, characterized in that a fifth valve (15) is provided between the process water tank (9) and the cleaning tank (2), and a sixth valve (12) is provided between the 4% hydrochloric acid tank (8) and the cleaning tank (2).

8. The chromatographic resin chemical regeneration device according to claim 7, characterized in that a resin pump (14) and a seventh valve are provided between the resin backwash tank (1) and the cleaning tank (2).

9. A chromatographic resin chemical regeneration device according to any of claims 5-8 characterized in that a pit pump (20) and an eighth valve (19) are provided between the pit tank (4) and the drain (10).

10. A chromatography resin chemical regeneration system comprising the chromatography resin chemical regeneration apparatus of any one of claims 1-9.