CN218524626U - Self-regeneration type cation content trend detection system - Google Patents
Self-regeneration type cation content trend detection system Download PDFInfo
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- CN218524626U CN218524626U CN202222784465.3U CN202222784465U CN218524626U CN 218524626 U CN218524626 U CN 218524626U CN 202222784465 U CN202222784465 U CN 202222784465U CN 218524626 U CN218524626 U CN 218524626U
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Abstract
The utility model provides a from regenerative cation content trend detecting system belongs to analytical instrument technical field, and it includes reaction chamber, and reaction chamber separates for anion exchange resin room, positive pole electrolysis room and negative pole electrolysis room through two anion exchange membranes that parallel, and anion exchange resin room, positive pole electrolysis room and negative pole electrolysis room set up side by side, and positive pole electrolysis room and negative pole electrolysis room set up respectively in anion exchange resin room's both sides, and positive pole electrolysis room and negative pole electrolysis room communicate; an anion exchange resin column is arranged in the anion exchange resin chamber; water samples flow through the anode electrolysis chamber and the anion exchange resin chamber, and water samples flow through the anode electrolysis chamber and the cathode electrolysis chamber. The utility model can not only reflect the content trend of the cations in the water sample; meanwhile, the detection is not interrupted in the regeneration process of the anion exchange resin column, and the continuity and the accuracy of the detection data are ensured by continuously supplementing anions on the anion exchange resin column.
Description
Technical Field
The utility model belongs to the technical field of analytical instrument, a ion regeneration analytical instrument technique is related to, specifically is from regeneration formula cation content trend detecting system.
Background
The cation content in general water reflects the scaling tendency of water, and a special cation bed is arranged in a water making system of a power station to treat cations in water. In order to judge the cation treatment effect of the cation bed, an anion conductivity meter can be additionally arranged at the water outlet point of the cation bed to reflect the content of cations in water. The basic principle of the instrument is that anion exchange resin is utilized to exchange anions in a water sample into hydroxide ions, if cations are contained in the water sample, the cations and the hydroxide ions are combined to generate alkali, at the moment, the conductivity of the water changes obviously, and the index of the conductivity of the anions can reflect the change trend of the cations in the water sensitively.
The conventional cathode conductivity meter uses a cartridge filled with an anion exchange resin as a sample pretreatment device. This pretreatment method has the following disadvantages:
firstly, anion exchange resin in the column body can lose efficacy after being used for a period of time, and after the resin is lost, workers need to regenerate the resin, and when the work is carried out, the instrument is in an interruption state, and data cannot be detected;
secondly, the resin regeneration work needs to be carried out by strong alkali, which brings a series of management problems of strong corrosive chemical reagents for maintenance workers.
SUMMERY OF THE UTILITY MODEL
Be in the interrupt condition among the anion exchange resin to above-mentioned description cylinder among the regeneration process, unable detection data, and the problem of maintenance process management difficulty, the utility model provides a self-regeneration formula cation content trend detecting system.
The utility model provides a self-regeneration type cation content trend detection system without manual resin replacement, through which a water sample can detect a negative conductivity index to reflect the cation content trend in the water sample, and the whole detection system can not interrupt detection due to negative resin failure; the specific technical scheme is as follows:
the self-regeneration type cation content trend detection system comprises a reaction chamber, wherein the reaction chamber is divided into an anion exchange resin chamber, an anode electrolysis chamber and a cathode electrolysis chamber by two parallel anion exchange membranes, the anion exchange resin chamber, the anode electrolysis chamber and the cathode electrolysis chamber are arranged in parallel, the anode electrolysis chamber and the cathode electrolysis chamber are respectively arranged at two sides of the anion exchange resin chamber, and the anode electrolysis chamber is communicated with the cathode electrolysis chamber; an anion exchange resin column is arranged in the anion exchange resin chamber; water samples flow through the anode electrolysis chamber and the anion exchange resin chamber, and water samples flow through the anode electrolysis chamber and the cathode electrolysis chamber.
Further limited, the self-regeneration type cation content trend detection system further comprises a power supply, electrolytic electrode plates are arranged in the anode electrolysis chamber and the cathode electrolysis chamber, and the electrolytic electrode plates in the anode electrolysis chamber and the electrolytic electrode plates in the cathode electrolysis chamber are electrically connected with the power supply.
Further defined, the self-regenerating cation content trend detection system further comprises a conductivity electrode extending into the anion exchange resin chamber and a conductivity detection head, wherein the conductivity electrode is electrically connected with the conductivity detection head.
Further, the self-regeneration type cation content trend detection system further comprises a three-way valve, one water outlet of the three-way valve is communicated with the anode electrolysis chamber, and the other water outlet of the three-way valve is communicated with the anion exchange resin chamber; and the water inlet of the three-way valve is communicated with the water sample inlet pipe.
Further inject, self-regeneration type cation content trend detecting system still includes the filter, the water sample inlet tube passes through the water inlet intercommunication of filter and three-way valve.
Further defined, the self-regenerating cation content trend detection system further comprises a collection water tank, and the collection water tank is communicated with the cathode electrolysis chamber.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a self-regeneration type cation content trend detection system, which comprises a reaction chamber, wherein the reaction chamber is divided into an anion exchange resin chamber, an anode electrolysis chamber and a cathode electrolysis chamber by two parallel anion exchange membranes; combining anions on an anion exchange resin column in an anion exchange resin chamber with cations in a water sample, and detecting the conductivity of the combined water sample to be detected, so as to detect the content trend of the cations in the water sample; OH production by an anolyte chamber - ，OH - The anion exchange resin is exchanged into the anion exchange resin chamber through the anion exchange membrane, the position of the combined anions on the anion exchange resin column in the anion exchange resin chamber is supplemented, and the automatic regeneration of the anion exchange resin column is realized; the utility model can not only reflect the content trend of cations in the water sample; meanwhile, the detection is not interrupted in the regeneration process of the anion exchange resin column, the continuity of the conductivity detection is ensured, and the accuracy of the detection data is ensured by the continuous supplement of anions on the anion exchange resin column. The utility model discloses whole testing process need not to change consumptive material, spare parts, need not artifical intervention regeneration resin, has reduced the later maintenance work load of chemical instrumentation, easily this detecting system and method push awayHas wide application. Can greatly save various process links of operators in the process of purchasing and managing the laboratory alkaline solution.
2. The utility model discloses self-regeneration formula cation content trend detecting system still includes the power, and the combination of power and electrolysis plate electrode not only provides power for the electrolysis process, ensures that the electrode reaction takes place, produces the OH-' that anion exchange resin post regeneration needs on the electrolysis electrode; an electric field is also provided for ion migration of anions and OH-in the flow path.
3. The utility model discloses self-regeneration formula cation content trend detecting system still includes conductivity electrode and conductivity detection gauge outfit, detects the conductivity that detects in the water sample through the conductivity electrode pair, transmits after having detected and detects the gauge outfit for the conductivity, detects the gauge outfit through the conductivity and shows.
4. The utility model discloses self-regenerating type cation content trend detecting system still includes the three-way valve, has not only played the effect of reposition of redundant personnel to anion exchange resin room and positive pole electrolysis room through the three-way valve, still makes things convenient for water sample flow control's effect simultaneously.
5. The utility model discloses self-regeneration formula cation content trend detecting system still includes the filter, filters the impurity in the water sample through the filter, prevents that the solid impurity in the water sample from getting into the system and blockking up the pipeline.
6. The utility model discloses from regenerative cation content trend detecting system still includes the collection water tank, collects in unison the waste water that flows from the negative pole electrolysis room through the collection water tank, prevents this waste water polluted environment.
7. The utility model discloses from regenerative cation content trend detection method, its operation process is simple, and can not influence the testing process of conductivity, and can guarantee the accuracy of detected data.
Drawings
FIG. 1 is a schematic diagram of a self-regenerating cation content trend detection system of the present invention;
the system comprises a water sample 1, a filter 2, a three-way valve 3, an anion exchange resin chamber 4, an electrolytic electrode plate 5, an anion exchange membrane 6, an anode electrolytic chamber 7, a cathode electrolytic chamber 8, a constant current power supply 9, a conductivity electrode 10, a conductivity detection meter 11 and a collection water tank 12.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
Example 1
Referring to fig. 1, the self-regenerating type cation content trend detection system of the present embodiment includes a reaction chamber, the reaction chamber is partitioned into an anion exchange resin chamber 4, an anode electrolysis chamber 7 and a cathode electrolysis chamber 8 by two parallel anion exchange membranes 6, the anion exchange resin chamber 4, the anode electrolysis chamber 7 and the cathode electrolysis chamber 8 are arranged in parallel, the anode electrolysis chamber 7 and the cathode electrolysis chamber 8 are respectively arranged at two sides of the anion exchange resin chamber 4, and the anode electrolysis chamber 7 and the cathode electrolysis chamber 8 are communicated; an anion exchange resin column is arranged in the anion exchange resin chamber 4; water samples 1 flow through the anode electrolysis chamber 7 and the anion exchange resin chamber 4, and the water samples 1 flowing out of the anode electrolysis chamber 7 flow through the cathode electrolysis chamber 8. Specifically, the anode electrolysis chamber 7 and the cathode electrolysis chamber 8 are respectively arranged at two opposite sides of the anion exchange resin chamber 4, the water outlet of the anode electrolysis chamber 7 is communicated with the water inlet of the cathode electrolysis chamber 8, anions generated by electrolysis of the anode electrolysis chamber 7 penetrate through the anion exchange membrane 6 to enter the anion exchange resin chamber 4, and the anions on the anion exchange resin column in the anion exchange resin chamber 4 are supplemented. The anion exchange membrane 6 has two functions, namely, OH < - > generated by water electrolysis is conveyed to anion exchange resin under the action of an electric field, and anions regenerated by OH < - > on the anion exchange resin are conveyed to a water outlet of the cathode electrolysis chamber 8 under the action of the electric field. Preferably, the resin on the anion exchange resin column is strong base type anion exchange resin for preparing pure water.
The self-regeneration type cation content trend detection system further comprises a power supply, electrolytic electrode plates 5 are arranged in the anode electrolysis chamber 7 and the cathode electrolysis chamber 8, and the electrolytic electrode plates 5 in the anode electrolysis chamber 7 and the electrolytic electrode plates 5 in the cathode electrolysis chamber 8 are electrically connected with the power supply. Specifically, the electrolytic electrode plate 5 in the anode electrolytic chamber 7 and the electrolytic electrode plate 5 in the cathode electrolytic chamber 8 are arranged opposite to each other, the electrolytic electrode plate 5 in the anode electrolytic chamber 7 is connected to the positive electrode of the power supply, and the electrolytic electrode plate 5 in the cathode electrolytic chamber 8 is connected to the negative electrode of the power supply. Preferably, the power supply is a constant current power supply 9; specifically, the constant current power supply with adjustable current is provided, the direct current voltage of the constant current power supply 9 is 24V, and the current adjustable range is 0A-1A. Preferably, the electrolytic electrode plate 5 is a platinum material.
The self-regeneration type cation content trend detection system further comprises a conductivity electrode 10 and a conductivity detection gauge head 11, wherein the conductivity electrode 10 extends into the anion exchange resin chamber 4, and the conductivity electrode 10 is electrically connected with the conductivity detection gauge head 11. Specifically, the conductivity electrode 10 extends into the water outlet of the anion exchange resin chamber 4, the conductivity electrode 10 is used for detecting the conductivity of the water sample to be detected, transmitting the detected conductivity to the conductivity detection gauge head 11, and displaying the detected conductivity through the conductivity detection gauge head 11.
The self-regeneration type cation content trend detection system further comprises a three-way valve 3, wherein one water outlet of the three-way valve 3 is communicated with an anode electrolysis chamber 7, and the other water outlet of the three-way valve 3 is communicated with an anion exchange resin chamber 4; the water inlet of the three-way valve 3 is communicated with the water sample inlet pipe. Specifically, one water outlet of the three-way valve 3 is communicated with a water inlet of the anode electrolysis chamber 7, the other water outlet of the three-way valve 3 is communicated with a water inlet of the anion exchange resin chamber 4, and a water inlet of the three-way valve 3 is communicated with a water outlet end of the water sample inlet pipe.
This embodiment is from regenerative cation content trend detecting system still includes filter 2, and the water sample inlet tube passes through filter 2 and three-way valve 3's water inlet intercommunication. Specifically, the water inlet of the filter 2 is communicated with the water outlet end of the water sample inlet pipe, and the water outlet of the filter 2 is communicated with the water inlet of the three-way valve 3.
The self-regeneration type cation content trend detection system of the embodiment also comprises a collection water tank 12, and the collection water tank 12 is communicated with the cathode electrolysis chamber 8. Specifically, the water inlet of the collecting water tank 12 is communicated with the water outlet of the cathode electrolysis chamber 8.
The self-regeneration type cation content trend detection method comprises the following steps:
the water sample 1 flows through an anion exchange resin chamber 4, anions on an anion exchange resin column in the anion exchange resin chamber 4 are combined with cations in the water sample 1, and a water sample to be detected is obtained; meanwhile, the water sample 1 in the anode electrolysis chamber 7 is electrolyzed to generate OH - ，OH - Enters the anion exchange resin chamber 4 through the anion exchange membrane 6 to supplement the position of the combined anions on the anion exchange resin column, so that the anion exchange resin column automatically regenerates.
The steps of this embodiment further include:
OH entering the anion exchange resin chamber 4 - Exchange with anions on the anion exchange resin column, and the anions exchanged on the anion exchange resin column permeate the anion exchange membrane 6 to enter the anode electrolytic chamber 7 and/or the cathode electrolytic chamber 8, and are finally discharged through the cathode electrolytic chamber 8.
The self-regenerating cation content trend detection method of the embodiment is further refined, and specifically comprises the following steps:
a water sample 1 is filtered by a filter 2 and then respectively flows through an anion exchange resin chamber 4 and an anode electrolysis chamber 7 by a three-way valve 3;
cations in a water sample 1 flowing through the anion exchange resin chamber 4 are combined with anions on the anion exchange resin column to obtain a water sample to be detected, the water sample to be detected flows to the conductivity electrode 10, the conductivity of the water sample to be detected is collected through the conductivity electrode 10, the conductivity electrode 10 transmits the collected conductivity to the conductivity detection gauge outfit 11, and the detected conductivity is displayed through the conductivity detection gauge outfit 11;
the water sample 1 flowing through the anode electrolytic chamber 7 is electrolyzed to generate OH under the action of a power supply and the electrolytic electrode plate 5 - ，OH - The anion exchange resin enters the anion exchange resin chamber 4 through the anion exchange membrane 6 to supplement the position of the combined anions on the anion exchange resin column, so that the anion exchange resin column automatically regenerates; OH entering the anion exchange resin chamber 4 - Can also be used on anion exchange resin columnThe anions are exchanged, the exchanged anions on the anion exchange resin column penetrate through the anion exchange membrane 6 to enter the anode electrolysis chamber 7 and/or the cathode electrolysis chamber 8, the electrolyzed water sample 1 in the anode electrolysis chamber 7 enters the cathode electrolysis chamber 8, and the exchanged anions on the anion exchange resin column flow to the collecting water tank 12 through the water outlet of the cathode electrolysis chamber 8 along with the electrolyzed water sample 1 and are collected uniformly through the collecting water tank 12.
Claims (7)
1. The self-regeneration type cation content trend detection system is characterized by comprising a reaction chamber, wherein the reaction chamber is divided into an anion exchange resin chamber (4), an anode electrolysis chamber (7) and a cathode electrolysis chamber (8) through two parallel anion exchange membranes (6), the anion exchange resin chamber (4), the anode electrolysis chamber (7) and the cathode electrolysis chamber (8) are arranged in parallel, the anode electrolysis chamber (7) and the cathode electrolysis chamber (8) are respectively arranged at two sides of the anion exchange resin chamber (4), and the anode electrolysis chamber (7) is communicated with the cathode electrolysis chamber (8); an anion exchange resin column is arranged in the anion exchange resin chamber (4); water samples (1) flow through the anode electrolysis chamber (7) and the anion exchange resin chamber (4), and water samples (1) flowing out of the anode electrolysis chamber (7) flow through the cathode electrolysis chamber (8).
2. The self-regenerating cation content trend detecting system according to claim 1, characterized in that the self-regenerating cation content trend detecting system further comprises a power supply, the electrolytic electrode plates (5) are arranged in the anode electrolytic chamber (7) and the cathode electrolytic chamber (8), and the electrolytic electrode plates (5) in the anode electrolytic chamber (7) and the electrolytic electrode plates (5) in the cathode electrolytic chamber (8) are electrically connected with the power supply.
3. The self-regenerating cation content trend detecting system according to claim 2, characterized in that the self-regenerating cation content trend detecting system further comprises a conductivity electrode (10) and a conductivity detecting gauge head (11), the conductivity electrode (10) extends into the anion exchange resin chamber (4), and the conductivity electrode (10) is electrically connected with the conductivity detecting gauge head (11).
4. The self-regenerating cation content trend detecting system according to claim 3, characterized in that it further comprises a three-way valve (3), one water outlet of the three-way valve (3) is communicated with the anode electrolytic chamber (7), and the other water outlet of the three-way valve (3) is communicated with the anion exchange resin chamber (4); and a water inlet of the three-way valve (3) is communicated with the water sample inlet pipe.
5. The self-regenerating type cation content trend detecting system according to claim 4, characterized in that the self-regenerating type cation content trend detecting system further comprises a filter (2), and the water sample inlet pipe is communicated with the water inlet of the three-way valve (3) through the filter (2).
6. The self-regenerating cation content trend detecting system according to claim 1, characterized in that it further comprises a collection water tank (12), said collection water tank (12) being in communication with the cathodic electrolysis chamber (8).
7. The self-regenerating cation content trend detection system according to claim 2, characterized in that the power supply is a constant current power supply (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222784465.3U CN218524626U (en) | 2022-10-21 | 2022-10-21 | Self-regeneration type cation content trend detection system |
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| CN202222784465.3U CN218524626U (en) | 2022-10-21 | 2022-10-21 | Self-regeneration type cation content trend detection system |
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| CN218524626U true CN218524626U (en) | 2023-02-24 |
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| CN202222784465.3U Active CN218524626U (en) | 2022-10-21 | 2022-10-21 | Self-regeneration type cation content trend detection system |
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