阅读说明：本技术 树脂柱自动再生装置及自动再生方法 (Automatic resin column regeneration device and automatic regeneration method ) 是由 曹晓琴 王柱 张术勇 余远红 马贵福 林政霖 彭兵 陈伟忠 于 2019-10-09 设计创作，主要内容包括：本发明公开了树脂柱自动再生装置及自动再生方法。该装置包括：箱体,所述箱体设有药液罐、进水口及排水口；第一管道,所述第一管道通过第一阀门与进水口连接,所述第一管道通过第二阀门与排水口连接；第二管道,所述第二管道通过第三阀门与进水口连接,所述第二管道通过第四阀门与排水口连接；树脂柱再生模块,所述树脂柱再生模块分别与所述第一管道及所述第二管道连接,所述树脂再生模块包括多根树脂柱；第三管道,所述第三管道分别与药液罐及第二管道连接,所述第三管道设有第五阀门。该方法为直排式再生,能够有效带走杂质离子,极大地提高了树脂柱的再生度。该装置无需取出树脂,操作简单,使用时不直接接触腐蚀性液体,安全性高。(The invention discloses an automatic regeneration device and an automatic regeneration method for a resin column. The device includes: the box body is provided with a liquid medicine tank, a water inlet and a water outlet; the first pipeline is connected with the water inlet through a first valve, and the first pipeline is connected with the water outlet through a second valve; the second pipeline is connected with the water inlet through a third valve and is connected with the water outlet through a fourth valve; the resin column regeneration module is respectively connected with the first pipeline and the second pipeline and comprises a plurality of resin columns; and the third pipeline is respectively connected with the liquid medicine tank and the second pipeline and is provided with a fifth valve. The method is a direct-discharge regeneration method, can effectively take away impurity ions, and greatly improves the regeneration degree of the resin column. The device need not to take out resin, easy operation, and direct contact corrosive liquids during the use is high, security.)

1. an automatic regenerating device for a resin column, comprising:

the box body is provided with a liquid medicine tank, a water inlet and a water outlet;

The first pipeline is connected with the water inlet through a first valve, and the first pipeline is connected with a water outlet through a second valve;

The second pipeline is connected with the water inlet through a third valve and is connected with a water outlet through a fourth valve;

the resin column regeneration module is respectively connected with the first pipeline and the second pipeline and comprises a plurality of resin columns;

And the third pipeline is respectively connected with the liquid medicine tank and the second pipeline and is provided with a fifth valve.

2. The automatic resin column regenerating device according to claim 1, further comprising an acid solution tank connected to the liquid medicine tank through a fourth pipe; the water inlet is connected with the liquid medicine tank through a fifth pipeline.

3. The apparatus for automatically regenerating a resin column as set forth in claim 2, wherein said fourth pipe and said fifth pipe are each provided with a switching valve and a metering pump.

4. The resin column automatic regenerating device according to claim 1, wherein said case further comprises an air outlet, said air outlet being provided with a fan.

5. The automatic regenerating device of resin column as claimed in claim 1, wherein a detachable liquid accumulating tank is provided below the resin column.

6. The automatic resin column regenerating device according to claim 1, wherein the resin regenerating module is provided with a mounting joint and an elastic clamp, and the resin column is provided to the mounting joint and fixed by the elastic clamp.

7. the automatic resin column regenerating device according to claim 3, wherein a PLC control module is further provided on the side of the box body, the PLC control module is respectively connected with the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the switch valve and the metering pump, and the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the switch valve and the metering pump are all controlled by the PLC control module.

8. The automatic resin column regenerating device according to claim 1, wherein the case is further provided with a universal wheel, a handle and a hanging ring, the universal wheel being provided on the bottom surface of the case; the handle is arranged on the side surface of the box body; the lifting ring is arranged on the top surface of the box body.

9. An automatic resin column regenerating method applied to the automatic resin column regenerating device according to any one of claims 1 to 8, comprising the steps of:

forward flushing for 5-20min, keeping the second valve, the third valve and the fifth valve closed, opening the first valve and the fourth valve, introducing desalted water into the water inlet, wherein the desalted water flows to the resin column regeneration module through the first pipeline and flows to the water outlet through the fourth valve;

Back flushing for 5-20min, keeping the first valve, the fourth valve and the fifth valve closed, opening the second valve and the third valve, introducing desalted water into the water inlet, and allowing the desalted water to flow to the resin column regeneration module through a second pipeline and flow to a water outlet through the second valve;

performing first countercurrent regeneration, keeping the first valve, the third valve and the fourth valve closed, opening the second valve and the fifth valve, enabling first liquid medicine in the liquid medicine tank to enter the second pipeline from the third pipeline, performing regeneration washing on resin columns at the flow rate of 50-100 ml/min of each resin column, enabling the resin columns to flow to a water outlet from the second valve, and performing regeneration washing for 30-60 min;

performing second countercurrent regeneration, keeping the first valve, the third valve and the fourth valve closed, opening the second valve and the fifth valve, enabling second liquid medicine in the liquid medicine tank to enter a second pipeline from a third pipeline, flushing the resin columns at the flow rate of 50-100 ml/min of each resin column, and enabling the resin columns to flow to a water outlet from the second valve, wherein the flushing time is 5-10 min;

repeating the forward flushing step and the backward flushing step, and finishing regeneration when the conductivity value of the solution at the water outlet is in a preset interval;

Wherein the first liquid medicine is a hydrochloric acid solution with the volume fraction of 4-6%;

The second liquid medicine is hydrochloric acid solution with the volume fraction of 0.1-3.9%.

10. The method for automatically regenerating a resin column according to claim 9, wherein the order of the forward washing step and the backward washing step is interchangeable.

Technical Field

The invention relates to the technical field of resin regeneration, in particular to an automatic resin column regeneration device and an automatic resin column regeneration method.

Background

After the ion exchange resin is used for a period of time, the adsorbed impurities are close to saturation state, regeneration treatment is carried out, and the ions and other impurities adsorbed by the resin are eluted and removed by chemical agents, so that the functional groups of the resin are recovered to the original state for reuse.

Currently, the commonly adopted ion exchange resin regeneration method is to manually take out the ion exchange resin from the resin column, perform soaking regeneration, and then fill the regenerated resin back into the resin column. The method needs manual operation, the regeneration degree of the resin is low and is less than 70 percent; in addition, the regeneration liquid needs to be manually stirred in the regeneration process, the regeneration liquid has corrosivity, the regeneration liquid is easy to splash during manual operation, and the safety problem exists.

disclosure of Invention

The invention aims to provide an automatic resin column regeneration device and an automatic resin column regeneration method, which aim to solve the problems of low resin regeneration efficiency, low safety and complex operation in the prior art.

in order to solve the above problems, the present invention proposes the following technical solutions:

in a first aspect, an embodiment of the present invention provides an automatic resin column regeneration apparatus, including:

The box body is provided with a liquid medicine tank, a water inlet and a water outlet;

The first pipeline is connected with the water inlet through a first valve, and the first pipeline is connected with a water outlet through a second valve;

The second pipeline is connected with the water inlet through a third valve and is connected with a water outlet through a fourth valve;

The resin column regeneration module is respectively connected with the first pipeline and the second pipeline and comprises a plurality of resin columns;

And the third pipeline is respectively connected with the liquid medicine tank and the second pipeline and is provided with a fifth valve.

the acid liquor tank is connected with the liquid medicine tank through a fourth pipeline; the water inlet is connected with the liquid medicine tank through a fifth pipeline.

The technical scheme is that the fourth pipeline and the fifth pipeline are both provided with a switch valve and a metering pump.

the technical scheme is that the box body further comprises an air outlet, and the air outlet is provided with a fan.

the technical scheme is that a detachable liquid accumulating tank is arranged below the resin column.

Its further technical scheme does, resin regeneration module is equipped with erection joint and elasticity clamp, the resin post set up in erection joint and by the elasticity clamp is fixed.

according to the technical scheme, the side face of the box body is further provided with a PLC control module, the PLC control module is respectively connected with the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the switch valve and the metering pump, and the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the switch valve and the metering pump are all controlled by the PLC control module.

the technical scheme is that the box body is also provided with universal wheels, a handle and a hanging ring, and the universal wheels are arranged on the bottom surface of the box body; the handle is arranged on the side surface of the box body; the lifting ring is arranged on the top surface of the box body.

In a second aspect, an embodiment of the present invention further provides an automatic resin column regeneration method, which is applied to the automatic resin column regeneration apparatus according to the first aspect, and includes the following steps:

Forward flushing, keeping the second valve, the third valve and the fifth valve closed, opening the first valve and the fourth valve, introducing desalted water into the water inlet, and allowing the desalted water to flow to the resin column regeneration module through the first pipeline and flow to the water outlet through the fourth valve;

Back flushing, namely keeping the first valve, the fourth valve and the fifth valve closed, opening the second valve and the third valve, introducing desalted water into the water inlet, and allowing the desalted water to flow to the resin column regeneration module through a second pipeline and flow to a water outlet through the second valve;

performing first countercurrent regeneration, keeping the first valve, the third valve and the fourth valve closed, opening the second valve and the fifth valve, enabling first liquid medicine in the liquid medicine tank to enter the second pipeline from the third pipeline, performing regeneration washing on resin columns at the flow rate of 50-100 ml/min of each resin column, enabling the resin columns to flow to a water outlet from the second valve, and performing regeneration washing for 30-60 min;

Performing second countercurrent regeneration, keeping the first valve, the third valve and the fourth valve closed, opening the second valve and the fifth valve, enabling second liquid medicine in the liquid medicine tank to enter a second pipeline from a third pipeline, flushing the resin columns at the flow rate of 50-100 ml/min of each resin column, and enabling the resin columns to flow to a water outlet from the second valve, wherein the flushing time is 5-10 min;

Repeating the forward flushing step and the backward flushing step, and finishing regeneration when the conductivity value of the solution at the water outlet is in a preset interval;

Wherein the first liquid medicine is a hydrochloric acid solution with the volume fraction of 4-6%;

The second liquid medicine is hydrochloric acid solution with the volume fraction of 0.1-3.9%.

The further technical proposal is that the washing time of the forward washing step is 5-20 min; the washing time of the back washing step is 5-20 min.

Compared with the prior art, the invention can achieve the following technical effects:

According to the automatic resin column regeneration device provided by the embodiment of the invention, the arrangement of the pipeline and the valve is adopted, the desalted water and the regeneration liquid are controlled to be directly discharged after being washed by the resin column, the resin does not need to be taken out, other impurities are avoided, the operation process is simplified, and the resin regeneration efficiency is improved.

in addition, the automatic resin column regeneration device provided by the embodiment of the invention is automatically controlled, the regeneration of the resin column can be automatically realized through the PLC control module, the whole process does not need manual operation after parameters are set, corrosive liquid cannot be contacted, and the safety is greatly improved.

The resin column automatic regeneration method provided by the embodiment of the invention is a direct-discharge regeneration method, desalted water and regeneration liquid are directly discharged after passing through the resin column, the liquid washed through the resin column does not flow back any more, impurity ions of the resin column can be effectively taken away by the flowing water type washing, air bubbles are not introduced, the regeneration degree of the resin column is greatly improved, and the resin column automatic regeneration method has higher regeneration degree compared with the traditional soaking reflux method.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of an automatic resin column regenerating apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of an automatic resin column regenerating apparatus according to an embodiment of the present invention;

FIG. 3 is a left side view of an automatic resin column regenerating apparatus according to an embodiment of the present invention;

FIG. 4 is a right side view of an automatic resin column regenerating apparatus according to an embodiment of the present invention;

FIG. 5 is a top view of an automatic resin column regenerating apparatus according to an embodiment of the present invention;

fig. 6 is a piping layout diagram of an automatic resin column regenerating apparatus according to an embodiment of the present invention.

reference numerals

The box 1, hydrops groove 2, door plant 3, transparent window 4, resin column 5, ball valve 6, flowmeter 7, PLC control module 8, air exit 9, water inlet 10, outlet 11, rings 12, handle 13, universal wheel 14, first valve MV1, second valve MV3, third valve MV2, fourth valve MV4, fifth valve BV2, medicinal liquid tank T1, acidizing fluid tank T2.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like reference numerals represent like elements in the drawings. It is apparent that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

it will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1 to 6, an embodiment of the present invention provides an automatic resin column regeneration apparatus, including:

The box body 1 is provided with a liquid medicine tank T1, a water inlet 10 and a water outlet 11;

A first pipe connected to the water inlet 10 through a first valve MV1, and connected to the water discharge port 11 through a second valve MV 3;

A second pipe connected to the water inlet 10 through a third valve MV2, and connected to the water discharge port 11 through a fourth valve MV 4;

the resin column regeneration module is respectively connected with the first pipeline and the second pipeline and comprises a plurality of resin columns 5;

and the third pipeline is respectively connected with the liquid medicine tank T1 and the second pipeline, and is provided with a fifth valve BV2 and a metering pump.

The metering pump on the third pipeline can control the amount of the liquid medicine flowing into the second pipeline so as to reasonably distribute the liquid medicine for use and avoid waste.

the water inlet 10 is provided with an adjusting valve and a pressure gauge, and can monitor and adjust the flow and pressure of inlet water. The water outlet 11 is arranged at the bottom of the box body 1.

specifically, the resin column regeneration module provided by this embodiment can regenerate 8 small-volume resin columns (column length 650 mm/inner diameter 40mm) or 4 large-volume resin columns (column length 400 mm/inner diameter 86mm) simultaneously, each resin column is equipped with a control valve and a flowmeter, and regeneration and flushing are performed through connection of a quick connector and a resin column inlet and outlet, and the number of the resin columns regenerated simultaneously can be flexibly selected.

The liquid medicine tank T1 is filled with liquid medicine, and the regeneration amount of the resin can be controlled by setting the volume of the liquid medicine tank. For example, the liquid medicine tank T1 has a maximum volume of 30L and a total amount of regenerated resin of 8-10L.

the liquid medicine is the regeneration liquid.

according to the automatic resin column regeneration device provided by the embodiment of the invention, the arrangement of the pipeline and the valve is adopted, the desalted water and the regeneration liquid are controlled to be directly discharged after being washed by the resin column, the resin does not need to be taken out, other impurities are avoided, the operation process is simplified, and the resin regeneration efficiency is improved.

The acid liquor tank T2 is further included, and the acid liquor tank T2 is connected with the liquid medicine tank T1 through a fourth pipeline; the water inlet 10 is connected with a liquid medicine tank T1 through a fifth pipeline.

specifically, a preset volume of acid liquid is conveyed to the liquid medicine tank from the acid liquid tank, a preset volume of demineralized water is added through the water inlet, and the mixture is mixed to form the liquid medicine for resin regeneration. For example, a 30% hydrochloric acid solution in an acid tank is prepared into a 5% hydrochloric acid solution in a liquid medicine tank for resin regeneration.

and the fourth pipeline and the fifth pipeline are both provided with a switch valve and a metering pump. The amount of desalted water entering the liquid medicine tank and the amount of acid liquid tank output to the liquid medicine tank can be controlled by the metering pump.