TW202016528A - Water quality analysis instrument - Google Patents

Abstract

A water quality analysis instrument is provided. The water quality analysis instrument is for performing a non-volatile total organic carbon analysis operation. When the non-volatile total organic carbon analysis operation is performed, the ozone generator generates ozone by means of oxygen discharge, and reduces the degree of chloride ions affecting the oxidant by causing ozone to remove chloride ions from the water sample, and then the water sample mixed with ozone and oxidant flows between an accommodating space and an UV light providing module in a circulating manner, so that the non-volatile total organic carbon in the water sample is nearly completely oxidized, so that the water sample analyzer can analyze a content of non-volatile total organic carbon in the water sample accurately.

Description

Water sample analysis equipment

This application relates to an analysis device. More specifically, it is a water sample analysis device that can analyze the content of nonvolatile total organic carbon in a water sample.

As people pay more attention to the environment, governments of all countries regulate the content of non-volatile total organic carbon (non-volatile TOC) in water samples such as sewage and wastewater to reduce the environmental impact of sewage and wastewater Pollution, therefore, the industry's non-volatile total organic carbon analysis equipment is widely used to analyze the content of non-volatile total organic carbon in water samples. Non-volatile total organic carbon analysis equipment usually oxidizes the organic matter in the water sample, and uses a water sample analyzer, such as a non-dispersion infrared analyzer (Non-Dispersion Infrared Analyzer, NDIR) to measure the water sample. The concentration of non-volatile total organic carbon.

Generally, after the water sample analysis in the water sample analysis equipment has performed a stage of gas analysis, some gas will inevitably remain in the water sample analyzer, which is defined as the previous residual gas in this application. The residual gas will greatly affect the gas analysis operation of the next stage of the water sample analyzer, resulting in a reduction in the accuracy of the analysis results.

Furthermore, in the prior art, methods for oxidizing organic matter in water samples include at least the following three types: high-temperature combustion method, UV persulfate method, and two-stage advanced oxidation method. For the high-temperature combustion method, the organic matter in the water sample is generally oxidized on the wall of the high-temperature furnace. However, this will cause residues on the wall of the high-temperature furnace, and the derivative cleaning is difficult to be criticized. For the UV persulfate method, the persulfate is generally activated by UV light to generate hydroxyl radicals, and the organic matter in the water sample is oxidized. However, when the concentration of chloride ion (Cl-) in the water sample exceeds 0.05% At this time, the generation of hydroxyl radicals will be suppressed, and when the turbidity of the water sample is high, UV light may be blocked, so that the activation of persulfate is insufficient, so that the organic matter in the water sample cannot be fully oxidized. It makes the analysis of the content of non-volatile total organic carbon in the water sample inaccurate. For the two-stage advanced oxidation method, the organic matter in the water sample is oxidized to carbon dioxide through the addition of alkali reagent (NaOH), and then the non-volatile total organic carbon in the water sample is analyzed by the measurement data of carbon dioxide However, carbon dioxide is originally released from the alkali reagent, so the use of alkali reagent will have carbon dioxide that is not oxidized by the organic matter, and the analysis of the total non-volatile organic carbon content in the water sample will be inaccurate.

In view of the above, how to solve the above-mentioned problems, improve the accuracy of the analysis results of the nonvolatile total organic carbon content in the water sample, and enable the organic matter in the water sample (that is, the nonvolatile total organic carbon) to be successfully oxidized, This is the main technical idea of this application.

In view of the above-mentioned problems of the prior art, this application provides a water sample analysis device that can use ozone generated by an ozone generator to enable the non-volatile total organic carbon in the water sample to be successfully oxidized to improve the water sample analysis result. accuracy.

The water sample analysis device of the present application is used to analyze the content of non-volatile total organic carbon in a water sample. The water sample has a chloride ion. The water sample analysis device includes: a device body, the interior of the device body There is an accommodating space, the accommodating space is accommodating the quantitative water sample; a water sample analyzer, the water sample analyzer is connected to the accommodating space, in order to analyze the water sample in the accommodating space The content of the non-volatile total organic carbon; a UV light supply module, the UV light supply module is connected to the accommodating space for providing a UV light; an oxygen supply module, the oxygen supply module is used for Provide an oxygen; an ozone generator that receives the oxygen and generates an ozone by discharging the oxygen, and the ozone generator is connected to the accommodating space; an oxidant providing module, the oxidant provides The module communicates with the accommodating space for providing an oxidant; a first carrier gas providing module, the first carrier gas providing module selectively connects the water sample analyzer and one of the accommodating spaces It is used to provide a first carrier gas; and an execution module which executes a non-volatile total organic carbon analysis operation; wherein, when the execution module executes the non-volatile total organic carbon analysis operation , So that the ozone generator provides the ozone to the accommodating space, and the oxidant providing module provides the oxidant to the water sample, and then the water sample mixed with the ozone and the oxidant is in the accommodating space and the The UV light supply module circulates between the modules, wherein the ozone removes the chloride ion to reduce the effect of the chloride ion on the oxidant, and the UV light supply module provides the UV light to the water sample, thereby The reaction of the UV light, the ozone and the oxidant to the water sample, and the non-volatile total organic carbon in the water sample is oxidized to generate a non-volatile total organic carbon gaseous oxide, and then, the first loading The gas supply module supplies the first carrier gas to the accommodating space to force the gaseous oxides of the non-volatile total organic carbon in the water sample to be released, so that the water sample analyzer enters the accommodating space and the The content of the non-volatile total organic carbon in the water sample is analyzed.

Optionally, the water sample analysis device of the present application further includes a fluid discharge line that communicates with the accommodating space; when the ozone generator supplies the ozone to the accommodating space, The fluid discharge line is opened to exclude fluid from the accommodating space until the ozone concentration in the accommodating space is as expected after the fluid discharge line is closed, and the ozone generator stops supplying the accommodating space The ozone.

Optionally, the water sample analysis device of the present application further includes an ozone concentration measurer, which is provided in the fluid discharge line and used for measuring the volume from the accommodating space Fluid, to determine whether the ozone concentration in the storage space is as expected.

Optionally, the water sample analysis device of the present application further includes a timer, which provides a timer to measure the duration of the ozone generation by the ozone generator to determine the ozone in the storage space Whether the concentration is as expected.

Optionally, the water sample analysis device of the present application further includes a fluid discharge line, the fluid discharge line is connected to the accommodating space; the execution module also performs a backflushing operation, when the execution module When performing the backflushing operation, the fluid discharge line is opened, and the first carrier gas supply module is connected to the water sample analyzer to provide the first carrier gas to the water sample analyzer, so that the A previous residual gas in the water sample analyzer enters the accommodating space with the first carrier gas, and then exits the accommodating space through the fluid discharge line.

Optionally, in the water sample analysis device of the present application, the light wavelength of the UV light is 254 nm.

Optionally, the water sample analysis device of the present application further includes a fluid discharge line, the fluid discharge line is connected to the containing space; wherein, the containing space has an overflow water level and a certain amount of water level , The overflow water level is higher than the quantitative water level, the fluid discharge pipeline extends from the overflow water level of the accommodating space to the body of the equipment, the water sample analysis equipment further includes: a water sample introduction pipeline, The water sample introduction pipeline is connected to the bottom of the accommodating space; and a certain amount of drainage pipeline is connected to the accommodating space, and the quantitative water level from the accommodating space extends outside the equipment body; Among them, the execution module also performs a water sample introduction operation, when the execution module performs the water sample introduction operation, the fluid discharge pipeline is opened, the water sample introduction pipeline is started to be imported, and the water sample is taken from the The bottom of the accommodating space is introduced into the accommodating space, and the water sample in the accommodating space beyond the overflow water level is discharged through the fluid discharge line, so that the water level of the water sample in the accommodating space is at The overflow water level, and then close the water sample introduction pipeline, and open the quantitative drainage pipeline, through the quantitative drainage pipeline to discharge the water sample in the accommodating space beyond the quantitative water level, so that the water sample The water level in the accommodating space is at the quantitative water level, so that the accommodating space is accommodating the quantitative water sample.

Optionally, the water sample analysis equipment of the present application further includes a chloride ion removal device, which is connected to the water sample introduction pipeline, so as to add a chloride ion removal agent to the water sample to remove Chloride ions in this water sample.

Optionally, in the water sample analysis device of the present application, the accommodating space has a circulating high water level and a circulating low water level, the water sample analyzing device further includes: a water sample circulation pipe, the water sample circulation pipe The road system communicates with the accommodating space and extends from the circulating low water level through the UV light supply module to the circulating high water level; wherein, when the execution module performs the non-volatile total organic carbon analysis operation, the water sample The circulation pipeline drives the water sample in the accommodating space, the low water level of the circulation flows through the UV light supply module to the high water level of the circulation, and then enters the accommodating space again, so that the water sample in the accommodating space and the accommodating space UV light provides circulation between modules.

Optionally, the water sample analysis device of the present application further includes a fluid discharge line, the fluid discharge line communicates with the accommodating space, and the water sample analysis device further includes: a reagent supply module, It is connected to the accommodating space and is used to provide an acid agent; and a second carrier gas providing module is optionally connected to the accommodating space and is used to provide a second carrier gas; wherein, the execution module An inorganic carbon removal operation is also performed; when the execution module performs the inorganic carbon removal operation, the fluid discharge line is opened, so that the agent supply module provides the acid agent to the water sample in the accommodating space, so that Acidizing the water sample converts an inorganic carbon in the water sample to a carbon dioxide, and then, causes the second carrier gas supply module to provide the second carrier gas to the accommodating space to force the carbon dioxide in the water sample to release Out through the fluid discharge line.

Optionally, in the water sample analysis device of the present application, when the execution module performs the inorganic carbon removal operation, the UV light supply module maintains the UV light and closes the water sample circulation pipe, When the execution module performs the inorganic carbon removal operation, the water sample in the accommodating space cannot enter the UV light providing module without being affected by the UV light.

Optionally, the water sample analysis equipment of the present application further includes a carbon dioxide adsorption device, which is connected to the first carrier gas supply module or the second carrier gas supply module, and the carbon dioxide adsorption device A carbon dioxide adsorbent is provided to the first carrier gas or the second carrier gas to adsorb carbon dioxide contained in the first carrier gas or the second carrier gas.

Compared with the prior art, the water sample analysis equipment of the present application will provide ozone to remove the chloride ion in the water sample when performing the analysis operation of the non-volatile total organic carbon, in order to solve the salt interference in the water sample. Carbon analysis, and circulate the water sample containing ozone and oxidant between the storage space and the UV light supply module, so that the oxidation of the non-volatile total organic carbon in the water sample is nearly complete. Solve the problem that the non-volatile total organic carbon in the water sample cannot be successfully oxidized, and effectively improve the accuracy of the analysis results of the non-volatile total organic carbon content in the water sample.

The following content will be used in conjunction with the drawings to illustrate the technical content of this application through specific specific embodiments. Those familiar with this technology can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied by other different specific embodiments. Various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the spirit of this application. In particular, the proportional relationships and relative positions of the various elements in the drawings are for exemplary purposes only, and do not represent the actual status of the implementation of this application.

This application provides a water sample analysis device for analyzing the content (concentration) of nonvolatile total organic carbon in a water sample. Regarding the technical idea of the present application, the following refers to the contents disclosed in FIG. 1 to FIG. 3, FIG. 4A to FIG. 4D and FIG. 5 in the drawings of the present application for illustration and description:

Please refer to FIGS. 1 to 3, which are schematic diagrams showing an embodiment of the water sample analysis device 1 of the present application. As shown in FIG. 1, the water sample analysis device 1 includes an execution module 10, a device body 11, a water sample analyzer 12, a UV light supply module 14, a first carrier gas supply module 15, an oxygen supply module 30, and ozone The generator 31 and the oxidant supply module 35. It should be noted that the architecture of the water sample analysis device 1 of the present application can be adjusted according to actual needs, not limited to the architecture shown in FIG. 1.

The device body 11 has an accommodating space 111 therein. The accommodating space 111 is used for accommodating a fixed amount of water samples.

The water sample analyzer 12 is connected to the accommodating space 111 and is used to analyze the non-volatile total organic carbon content of the water sample in the accommodating space 111. Preferably, the water sample analyzer 12 is a non-dispersive infrared analyzer (NDIR).

The oxidant supply module 35 communicates with the accommodating space 111 for providing an oxidant to the water sample in the accommodating space 111. The oxygen supply module 30 is used to supply oxygen (O ² ) to the ozone generator 31. As shown in FIG. 3, the ozone generator 31 receives oxygen and discharges oxygen through the electrode 311 to generate ozone (O ³ ). The ozone generator 31 is connected to the accommodating space 111, and can provide ozone to the accommodating space 111 until the ozone concentration in the accommodating space 111 is as expected, so as to remove chloride ions in the water sample by ozone to reduce the water sample The chloride ion affects the degree of oxidant action to solve the problem that the salts in the water sample interfere with the analysis of non-volatile total organic carbon. Preferably, the expected ozone concentration in the accommodation space 111 is 50 mg/m ³ .

Preferably, as shown in FIG. 1, the water sample analysis device 1 may have an ozone concentration measurer 131, which is provided in the fluid discharge line 13 for measuring the The fluid in the containing space 111 determines whether the ozone concentration in the containing space 111 is as expected.

Preferably, as shown in FIG. 2, the water sample analysis device 1 may have a timer 32 that provides a timer to count the duration of ozone generation by the ozone generator 31 to determine whether the ozone concentration in the accommodating space 111 As expected, the timer 32 can replace the ozone concentration meter 131 to determine the ozone concentration in the accommodating space 111.

The UV light supply module 14 is connected to the accommodating space 111, and is used to provide UV light to the water sample flowing through the UV light supply module 14 including ozone and an oxidant to oxidize the non-volatile total organic carbon in the water sample to generate, for example It is a non-volatile total organic carbon gaseous oxide of carbon dioxide. Preferably, the light wavelength of the UV light provided by the UV light supply module 14 is 254 nm, to provide ozone into hydrogen peroxide and then catalyzed into hydroxyl radical (OH·), and the hydroxyl radical is oxidized in the water sample Organic matter makes the oxidation of nonvolatile total organic carbon in the water sample nearly complete, so that the water sample analyzer can accurately analyze the content of nonvolatile total organic carbon in the water sample.

As shown in FIG. 1, the UV light supply module 14 of the present application is independently disposed outside the accommodation space 111 in an external manner, rather than being built into the accommodation space 111. The main advantage is that even when the water sample analysis equipment 1 When performing related operations other than non-volatile total organic carbon analysis, such as inorganic carbon removal, you can close the water sample circulation line 18 so that the water sample in the accommodating space 111 cannot enter the UV light supply mode. Group 14, so that during the execution of the inorganic carbon removal operation, even if the UV light supply module 14 is turned on, the water sample in the accommodating space 111 will not be affected by the UV light, and the non-volatile total organic in the water sample is avoided Carbon oxidizes during the inorganic carbon removal operation. In this way, the UV light supply module 14 can always remain on to reduce the number of restarts of the UV light supply module 14 and effectively improve the efficiency of the analysis operation.

The first carrier gas providing module 15 can selectively communicate with one of the water sample analyzer 12 or the accommodating space 111 for providing the first carrier gas. The communication channel between the first carrier gas supply module 15 and the water sample analyzer 12 is provided with a valve body V6, which can be a three-way valve. By switching the valve body V6, the water sample analyzer 12 can be selectively connected to The first carrier gas provides module 15 or external space communication. When the valve body V6 is switched so that the first carrier gas supply module 15 communicates with the water sample analyzer 12, and the valve body V8 is closed at the same time, the first carrier gas supply module 15 can be made to provide the first sample gas analyzer 12 with the first Carrier gas; when the valve body V6 is switched to disconnect the path between the first carrier gas supply module 15 and the water sample analyzer 12, and the valve body V8 is opened at the same time, the water sample analyzer 12 communicates with the external space to The analysis gas in the water sample analyzer 12 is discharged. At this time, the first carrier gas providing module 15 communicates with the accommodating space 111 to provide the first carrier gas to the accommodating space 111.

The execution module 10 can perform a non-volatile total organic carbon analysis operation, causing the ozone generator 31 to provide ozone to the accommodating space 111, and the oxidant providing module 19 to provide the oxidant to the water sample, and then to mix the ozone and the oxidant The water sample circulates between the accommodating space 111 and the UV light supply module 14 to remove chlorine ions in the water sample by ozone to reduce the degree of the effect of chloride ions on the oxidant, and by the UV light supply module 14 to The water sample provides UV light, so that the UV light, ozone and oxidant provide a reaction to the water sample, and the non-volatile total organic carbon in the water sample is oxidized to generate a non-volatile total organic carbon gaseous oxide. Then, let the first The carrier gas supply module 15 supplies the first carrier gas to the accommodating space 111 to force the release of non-volatile total organic carbon gaseous oxides in the water sample, so that the water sample analyzer 12 enters the water sample analyzer 12 The content of non-volatile total organic carbon in the water sample was analyzed.

As shown in Figure 5, the area indicated by symbol A is the standard water sample containing 30% chloride ions. Without removing the chloride ions of the standard water sample through ozone, the nonvolatile total organic carbon content in the water sample is measured. Analysis results, and the area indicated by symbol B is the standard water sample containing 30% chloride ion, in the case of removing the chloride ion of the standard water sample through ozone, the analysis of the content of non-volatile total organic carbon in the water sample result. Since the removal of chloride ions in standard water samples without ozone will result in incomplete oxidation of non-volatile total organic carbon, resulting in measured values lower than the actual value, the area indicated by symbol A is smaller than the area indicated by symbol B, The accuracy of the analysis results of non-volatile total organic carbon is not good. Therefore, the removal of chloride ions in the water sample by ozone can reduce the degree of the chloride ions in the water sample to affect the action of the oxidant and solve the salt interference in the water sample. Non-volatile total organic carbon analysis makes the analysis results inaccurate.

Preferably, the water sample analysis device 1 may have a water sample introduction line 16. Correspondingly, the containing space 111 has an overflow water level L1 and a fixed water level L2, and the overflow water level L1 is higher than the fixed water level L2. As shown in FIG. 1, the water sample introduction pipe 16 communicates with the bottom of the accommodating space 111 so that the water sample enters the accommodating space 111 from bottom to top. The water sample introduction pipeline 16 is provided with a pump P1. By starting the pump P1, the water sample is introduced into the accommodating space 111 through the water sample introduction pipeline 16. Furthermore, a valve body V7 is provided at the front end of the water sample introduction line 16, which can be designed as a three-way valve, and the water supply sample introduction line 16 can be selected to be introduced from an overflow cup that is in communication with the remote sampling source Water samples, or import water samples by manual sampling.

Preferably, the water sample analysis device 1 may have a quantitative drainage pipe 17 that communicates with the accommodating space 111 and extends the quantitative water level L2 from the accommodating space 111 to the outside of the equipment body 11 and the quantitative drainage pipe 17 The upper part is provided with a pump P3. By activating the pump P3, the water sample exceeding the quantitative water level L2 in the accommodating space 111 is discharged through the quantitative drainage line 17, so that the water sample to be analyzed is at the water level in the accommodating space 111 It is in the position of the quantitative water level L2, so as to meet the requirement of accommodating a quantitative water sample in the accommodating space 111, so that the analysis conditions of the water sample are as expected.

Preferably, the water sample analysis device 1 may be provided in the water sample circulation pipe 18, and accordingly, the accommodating space 111 is provided with a circulating high water level L3 and a circulating low water level L4, and the water sample circulation pipe 18 is connected to the equipment body 11 The accommodating space 111 extends from the circulating low water level L4 of the accommodating space 111 to the circulating high water level L3 of the accommodating space 111 via the UV light supply module 14. The water circulation circuit 18 is provided with a circulation pump P11. When the circulation pump P11 is started, it can drive the water sample in the accommodating space 111 from the circulation low water level L4 to the circulation high water level L3 through the UV light supply module 14, and again Backflow into the accommodating space 111, so as to achieve the effect of circulating the water sample between the accommodating space 111 and the UV light providing module 14. As shown in Figure 1, the circulating high water level L3 is higher than the quantitative water level L2, the circulating low water level L4 is lower than the quantitative water level L2, and the water level of the water sample in the accommodating space 111 should be at the height position of the quantitative water level L2, so In the circulation process, the water sample will fall from the circulating high water level L3 to the quantitative water level L2, which helps the release of non-volatile total organic carbon gaseous oxides in the water sample. Preferably, the circulating high water level L3 is located between the overflow water level L1 and the fixed water level L2, and the circulating low water level L4 is located at the bottom of the accommodating space 111, so as to meet the requirement of sufficient circulation of the water sample.

Preferably, the water sample analysis device 1 may have a fluid discharge line 13 that communicates with the containing space 111 for discharging gas (such as carbon dioxide, etc.) or liquid (such as water sample, etc.) in the containing space 111 ), a valve body V10 is provided on the fluid discharge line 13 for controlling the opening and closing of the fluid discharge line 13. The fluid discharge line 13 extends from the overflow water level L1 of the accommodating space 111 to the outside of the device body 11, and the water sample exceeding the overflow water level L1 in the accommodating space 111 is discharged through the fluid discharge line 13 by opening the valve body V10 , So that the water level of the water sample in the accommodating space 111 is at the highest position of the overflow water level L1, so as to avoid excessive water sample in the accommodating space 111.

Preferably, the water sample analysis device 1 may have a bottom drain line 23. The bottom drain line 23 extends from the bottom of the accommodating space 111 to the outside of the device body 11. The bottom drain line 23 is provided with a pump P2. By starting the pump P2, the bottom drain line 23 is used to completely discharge the accommodation The water sample in the space 111 clears the accommodating space 111 and waits for the next stage of analysis.

Preferably, the water sample analysis device 1 may be provided with a pump P4, a valve body V9, a medicine supply module 19 and a second carrier gas supply module 20. The medicine supply module 19 communicates with the accommodating space 111 and is used to supply acid to the accommodating space 111. When the pump P5 is started, the acid agent provided by the medicine supply module 19 can be injected into the accommodating space 111 to mix with the water sample in the accommodating space 111 to perform the inorganic carbon elimination operation (please describe in detail later) ). The second carrier gas supply module 20 can selectively communicate with the accommodating space 111 and is used to provide the second carrier gas to the accommodating space 111. The channel between the second carrier gas supply module 20 and the accommodating space 111 can be communicated or closed by opening or closing the valve body V9.

It should also be noted that the first and second carrier gas supply modules 15 and 20 include flow meters, wherein the first carrier gas supply module 15 provides the first flow of the first carrier gas and the second carrier The gas supply module 20 provides a second flow rate of the second carrier gas. The first carrier gas or the second carrier gas may be, for example, oxygen or nitrogen. It should be noted that it is better to use oxygen for the first carrier gas or the second carrier gas. . The first flow rate is defined by the allowable carrier gas flow rate of the water sample analyzer 12, and the second flow rate is defined by the carrier gas flow rate that can force the carbon dioxide in the water sample to be released, so the first flow rate is less than the first二流。 Two flows. Since the actual concentration (content) of inorganic carbon (TIC) in different water samples may be different, by setting the first carrier gas supply module 15 and the second carrier gas supply module 20 separately, the first carrier can be adjusted without adjusting On the premise that the flow rate of the module 15 is provided, the flow rate of the second carrier gas supply module 20 is adjusted separately according to the actual concentration of the inorganic carbon in the water sample, thereby improving the removal efficiency of the inorganic carbon in the water sample. However, it should be noted that the first carrier gas supply module 15 and the second carrier gas supply module 20 of the present application can also be integrated into a single body to meet the design requirements of simplifying the equipment composition.

Preferably, the water sample analysis device 1 may be provided with a carbon dioxide adsorption device 21 connected to the first carrier gas supply module 15 or the second carrier gas supply module 20, and the carbon dioxide adsorption device 21 is connected to the first carrier gas Or the second carrier gas provides a carbon dioxide adsorbent such as zeolite to adsorb the carbon dioxide contained in the first carrier gas or the second carrier gas to ensure that the first carrier gas or the second carrier gas does not contain carbon dioxide, thereby avoiding the first carrier gas Carbon dioxide in the gas or the second carrier gas affects the analysis results of water quality. In addition, in order to prevent the first carrier gas supply module 15 and the second carrier gas supply module 20 from being impacted by high-pressure carrier gas and affecting their service life, the first carrier gas supply module 15 and the second carrier gas supply module The front end of the 20 can also be provided with a micro pressure regulator 22 to adjust the input gas pressure of the carrier gas.

Preferably, the water sample analysis device 1 may be provided with a chloride ion removal device 34, which is connected to the water sample introduction pipe 16 to add a chloride ion removal agent to the water sample to remove the chloride ion in the water sample, Solve the problem that the salts in the water sample interfere with the analysis of non-volatile total organic carbon.

For the water sample analysis device 1 of the present application, under the control of the execution module 10, the relevant operations of water quality analysis as shown in FIGS. 4A to 4D can be performed. The specific description is as follows:

Please refer to FIG. 1 and FIG. 4A. When the module 10 performs the backflushing operation, the valve body V10 is opened to open the fluid discharge line 13, and the valve body V6 is switched so that the first carrier gas supply module 15 and the water The sample analyzer 12 is connected, and at the same time, the valve body V8 is closed, and the first carrier gas supply module 15 is activated to provide the first carrier gas to the water sample analyzer 12 as a positive pressure gas flow, so that the water sample analyzer 12 A previous residual gas can enter the accommodating space 111 in the reverse direction along with the first carrier gas, and exit the accommodating space 111 through the opened fluid discharge line 13, thereby performing the backflushing operation to avoid the water sample analyzer 12 from remaining The problem of inaccurate subsequent analysis results due to the previous residual gas.

Please refer to FIG. 1 and FIG. 4B. When the execution module 10 performs the non-volatile total organic carbon analysis operation, the valve body V10 is opened to open the passage of the fluid discharge line 13, the valve body V12 is opened and the oxygen supply module is activated 30 and the ozone generator 31, and the oxygen supply module 30 supplies oxygen to the ozone generator 31, so that the ozone generator 31 supplies ozone to the accommodating space 111 until the ozone concentration in the accommodating space 111 is as expected. At this time, ozone removes the chloride ions in the water sample to solve the problem that the salts in the water sample interfere with the analysis of the non-volatile total organic carbon and the analysis results. Then, the valve body V10 is closed to close the passage of the fluid discharge line 13 , And start the pump P5 and the oxidant supply module 19, and let the oxidant supply module 19 supply the oxidant to the water sample in the accommodating space 111, and then start the pump P11 to make the water sample mixed with ozone and oxidant in the container The space 111 is circulated between the UV light supply module 14 and the UV light supply module 14 is turned on to provide UV light to the water sample flowing through the UV light supply module 14 so as to treat the water with UV light, ozone and oxidant Oxidize the non-volatile total organic carbon in the water sample to produce non-volatile total organic carbon gaseous oxides. Next, the valve body V8 is opened and the valve body V6 is switched to disconnect the passage between the first carrier gas supply module 15 and the water sample analyzer 12, so that the first carrier gas supply module communicates with the accommodating space 111, and the first A carrier gas supply module 15 supplies the first carrier gas to the accommodating space 111 to force the non-volatile total organic carbon gaseous oxides in the water sample to be released into the water sample analyzer 12. Next, the water sample analyzer 12 is started to analyze the content of non-volatile total organic carbon in the water sample in the accommodating space 111.

Furthermore, as shown in FIG. 1, since the water level of the water sample contained in the accommodating space 111 is at the quantitative water level L2, and the circulating high water level L3 is higher than the quantitative water level L2, therefore, the water sample passes through the circulating high water level When L3 flows back into the accommodating space 111 again, it will undergo a free fall process to release the non-volatile total organic carbon gaseous oxides in the water sample.

It should be noted that the non-volatile total organic carbon analysis operation is performed after the backflushing operation, before the water sample analyzer 12 performs the non-volatile total organic carbon analysis operation, the previous residue in the water sample analyzer 12 The gas is purged to improve the accuracy of the analysis results. However, if there is not much residual gas in the water sample analyzer 12, the non-volatile total organic carbon analysis operation may be performed before the backflushing operation, or the execution of the backflushing operation may be omitted.

Please continue to refer to FIGS. 1 and 4C. When the execution module 10 executes the water sample introduction operation, the valve body V10 is opened to open the fluid discharge line 13, and then the chloride ion removal device 34 is activated to cause the chloride ion removal device 34 Add a chloride ion remover to the water sample to remove the chloride ion in the water sample, in order to reduce the degree of the chloride ion in the water sample to affect the effect of the oxidant, and enable the pump P1 to start the introduction, and the water is introduced through the water sample introduction line 16 The sample is introduced into the accommodating space 111 from the bottom of the accommodating space 111. During the introduction process, the water sample in the accommodating space 111 exceeding the overflow water level L1 can be discharged through the opened fluid discharge line 13 to make the water sample The water level in the accommodating space 111 is at the overflow water level L1, and after the water sample water level reaches the overflow water level L1, the execution module 10 turns off the pump P1 to stop the water sample introduction pipeline 16 from continuing to introduce the water sample , And start the pump P3, and discharge the water sample exceeding the quantitative water level L2 in the accommodating space 111 through the quantitative drainage pipe 17, so that the water level of the water sample in the accommodating space 111 is at the quantitative water level L2, thereby realizing The purpose of storing a quantitative water sample in the accommodating space 111 is to make the analysis conditions of the water sample meet expectations. It should be noted that when the execution module 10 is performing the water sample introduction operation, it can also perform the above-mentioned backflushing operation at the same time, so as to provide the first carrier gas with positive pressure to the water sample analyzer 12 in reverse, so as to In the process of performing the water sample introduction operation, the water vapor generated in the water sample can be effectively prevented from entering the water sample analyzer 12, so that the water sample analyzer 12 is always kept in a dry state.

Please refer to FIG. 1 and FIG. 4D, when the execution module 10 performs the inorganic carbon removal operation, the valve body V10 is opened to open the fluid discharge line 13, and then the pump P4 is started to make the medicine supply module 19 compatible The water sample in the storage space 111 provides a reagent to acidify the water sample in the storage space 111 to convert the inorganic carbon in the water sample into carbon dioxide. Then, the execution module 10 opens the valve body V9 to make the second carrier gas The providing module 20 provides the second carrier gas to the accommodating space 111 to force the generated carbon dioxide in the water sample to be released and discharged through the fluid discharge line 13.

It should be noted that the above-mentioned inorganic carbon discharge operation can be performed after the water sample introduction operation and before the non-volatile total organic carbon analysis operation, and during the execution of the inorganic carbon removal operation, the backflushing operation can also be performed at the same time. The water sample analyzer 12 blows the first carrier in the opposite direction to the accommodating space 111, and the first carrier and the second carrier promote the carbon dioxide released in the water sample to be discharged through the fluid discharge line 13.

In summary, in the water sample analysis equipment of the present application, when performing non-volatile total organic carbon analysis operations, the ozone generator generates ozone by discharging oxygen and reduces the chloride ions in the water sample by ozone to reduce Chloride ion affects the degree of oxidant action, and then the water sample containing ozone and oxidant is circulated between the accommodating space and the UV light supply module, so that the oxidation of the non-volatile total organic carbon in the water sample is nearly complete, thereby further Improve the accuracy of water analysis results. In addition, the water sample analysis device of the present application can perform a backflushing operation, by discharging the first carrier gas of positive pressure to the water sample analyzer in a reverse direction, and discharging the previous residual gas in the water sample analyzer to ensure the water sample analyzer The accuracy of the analysis results.

The above-mentioned embodiments are only illustrative of the principles and effects of the present application, not intended to limit the present application. Anyone who is familiar with this technology can modify and change the above embodiments without departing from the spirit and scope of this application. Therefore, the scope of protection of the rights of this application should be as listed in the scope of patent applications of this application.

1: Water sample analysis device 10: Execution module 11: Device body 111: Storage space 12: Water sample analyzer 13: Fluid discharge line 131: Ozone concentration measuring device 14: UV light supply module 15: First Carrier gas supply module 16: water sample introduction line 17: quantitative drainage line 18: water sample circulation line 19: pharmaceutical supply module 20: second carrier gas supply module 21: carbon dioxide adsorption device 22: micro-pressure regulation Table 23: Bottom drain line 30: Oxygen supply module 31: Ozone generator 311: Electrode 32: Timer 34: Chloride ion removal device 35: Oxidant supply module L1: Overflow water level L2: Quantitative water level L3: Circulation high Water level L4: Circulating low water level P1~P5, P11: Pump V6~V12: Valve body

FIG. 1 is a schematic structural diagram of an embodiment of a water sample analysis device of the present application.

FIG. 2 is a schematic structural diagram of another embodiment of the water sample analysis device of the present application.

FIG. 3 is a schematic diagram of the operation principle of the ozone generator of the water sample analysis equipment of the present application.

4A is a control schematic diagram of an execution module when a water sample analysis device of the present application performs a backflushing operation.

FIG. 4B is a control schematic diagram of an execution module when the water sample analysis device of the present application performs non-volatile total organic carbon analysis.

4C is a control schematic diagram of the execution module when the water sample analysis device of the present application executes the water sample introduction operation.

4D is a control schematic diagram of the execution module when the water sample analysis device of the present application executes the inorganic carbon removal operation.

Figure 5 is a schematic diagram of the effect of ozone removal of chloride ions in the water sample analysis equipment of the present application.

1: Water sample analysis equipment

10: Execution module

11: Device body

111: accommodating space

12: Water sample analyzer

13: Fluid discharge line

131: Ozone concentration measuring instrument

14: UV light supply module

15: The first carrier gas supply module

16: Water sample introduction pipeline

17: quantitative drainage pipeline

18: Water circulation circuit

19: Pharmaceutical supply module

20: Second carrier gas supply module

21: Carbon dioxide adsorption device

22: Micro pressure regulator

23: Bottom drain line

30: Oxygen supply module

31: Ozone generator

34: Chloride ion removal device

35: Oxidant supply module

L1: overflow level

L2: quantitative water level

L3: Circulating high water level

L4: Circulating low water level

P1~P5, P11: pump

V6~V12: valve body

Claims (12)

A water sample analysis device is used to analyze the content of non-volatile total organic carbon in a water sample. The water sample has a chloride ion. The water sample analysis device includes: a device body, which has a An accommodating space, the accommodating space is for accommodating a quantitative quantity of the water sample; a water sample analyzer is connected to the accommodating space to analyze the non-volatile in the water sample in the accommodating space Total organic carbon content; a UV light supply module, the UV light supply module is connected to the accommodating space, for providing a UV light; an oxygen supply module, the oxygen supply module is used to provide a Oxygen; an ozone generator that receives the oxygen and generates an ozone by discharging the oxygen, and the ozone generator is connected to the accommodating space; an oxidant providing module, the oxidant providing module Is connected to the accommodating space for providing an oxidant; a first carrier gas providing module, the first carrier gas providing module selectively connects the water sample analyzer and one of the accommodating spaces, It is used to provide a first carrier gas; and an execution module, which executes a non-volatile total organic carbon analysis operation; wherein, when the execution module executes the non-volatile total organic carbon analysis operation, order The ozone generator provides the ozone to the accommodating space, and causes the oxidant providing module to provide the oxidant to the water sample, and then the water sample mixed with the ozone and the oxidant is in the accommodating space and the UV light Provide circulation between modules, wherein the ozone removes the chloride ions to reduce the degree to which the chloride ions affect the action of the oxidant, and the UV light providing module provides the UV light to the water sample, so that the UV Light, the ozone and the oxidant react to the water sample, and oxidize the non-volatile total organic carbon in the water sample to generate a non-volatile total organic carbon gaseous oxide, and then, the first carrier gas is provided The module provides the first carrier gas to the accommodating space to force the gaseous oxides of the non-volatile total organic carbon in the water sample to be released so that the water entering the water sample analyzer and the water in the accommodating space The content of the non-volatile total organic carbon in the sample was analyzed. The water sample analysis device as described in item 1 of the scope of the patent application further includes a fluid discharge line that communicates with the containing space; when the ozone generator supplies the ozone to the containing space, The fluid discharge line is opened to exclude fluid from the accommodating space until the ozone concentration in the accommodating space is as expected after the fluid discharge line is closed, and the ozone generator stops supplying the accommodating space The ozone. The water sample analysis device as described in item 2 of the scope of the patent application further includes an ozone concentration measurer, which is provided in the fluid discharge line and used for measuring the volume from the accommodating space Fluid, to determine whether the ozone concentration in the storage space is as expected. The water sample analysis device as described in item 1 of the patent application scope also includes a timer that provides a timer to count the duration of the ozone generation by the ozone generator to determine the ozone in the storage space Whether the concentration is as expected. The water sample analysis device as described in item 1 of the patent application scope further includes a fluid discharge line that communicates with the accommodating space; the execution module also performs a backflush operation when the execution mode When performing the backflushing operation, the fluid discharge line is opened, and the first carrier gas supply module is connected to the water sample analyzer to provide the first carrier gas to the water sample analyzer, so that the A previous residual gas in the water sample analyzer enters the accommodating space with the first carrier gas, and then exits the accommodating space through the fluid discharge line. The water sample analysis device as described in item 1 of the patent application range, wherein the light wavelength of the UV light is 254 nm. The water sample analysis device as described in item 1 of the patent application scope, further includes a fluid discharge line that communicates with the accommodating space; wherein the accommodating space has an overflow water level and a certain amount of water level , The overflow water level is higher than the quantitative water level, the fluid discharge pipeline extends from the overflow water level of the accommodating space to the body of the equipment, and the water sample analysis equipment further includes: a water sample introduction pipeline, The water sample introduction pipeline is connected to the bottom of the accommodating space; and a certain amount of drainage pipeline is connected to the accommodating space, and the quantitative water level from the accommodating space extends outside the equipment body; Wherein, the execution module also performs a water sample introduction operation, when the execution module performs the water sample introduction operation, the fluid discharge pipeline is opened, the water sample introduction pipeline is started to import, and the water sample is taken from the The bottom of the accommodating space is introduced into the accommodating space, and the water sample in the accommodating space beyond the overflow water level is discharged through the fluid discharge line, so that the water level of the water sample in the accommodating space is at The overflow water level, and then close the water sample introduction pipeline, and open the quantitative drainage pipeline, through the quantitative drainage pipeline to discharge the water sample in the accommodating space beyond the quantitative water level, so that the water sample The water level in the accommodating space is at the quantitative water level, so that the accommodating space is accommodating the quantitative water sample. The water sample analysis equipment as described in item 7 of the patent application scope also includes a chloride ion removal device, which is connected to the water sample introduction pipeline, so as to add a chloride ion removal agent to the water sample to remove Chloride ions in this water sample. The water sample analysis device as described in item 1 of the patent application scope, wherein the accommodating space has a circulating high water level and a circulating low water level, the water sample analyzing device further includes: a water sample circulation pipeline, the water sample The circulation pipeline communicates with the accommodating space and extends from the circulation low water level through the UV light supply module to the circulation high water level; wherein, when the execution module performs the non-volatile total organic carbon analysis operation, the The water sample circulation pipeline drives the water sample in the accommodating space, and the low water level of the circulation flows through the UV light supply module to the high water level of the circulation, and then enters the accommodating space again, so as to realize the water sample in the accommodating space The UV light provides circulation between the modules. The water sample analysis device as described in item 1 of the patent application scope, further includes a fluid discharge line, the fluid discharge line communicates with the accommodating space, and the water sample analysis device further includes: a reagent supply module, It is connected to the accommodating space and is used to provide an acid agent; and a second carrier gas providing module is optionally connected to the accommodating space and is used to provide a second carrier gas; wherein, the execution module An inorganic carbon removal operation is also performed; when the execution module performs the inorganic carbon removal operation, the fluid discharge line is opened, so that the agent supply module provides the acid agent to the water sample in the accommodating space, so that Acidizing the water sample converts an inorganic carbon in the water sample to a carbon dioxide, and then, causes the second carrier gas supply module to provide the second carrier gas to the accommodating space to force the carbon dioxide in the water sample to release Out through the fluid discharge line. The water sample analysis device according to item 10 of the patent application scope, wherein, when the execution module performs the inorganic carbon removal operation, the UV light providing module maintains the UV light and closes the water sample circulation tube When the execution module performs the inorganic carbon removal operation, the water sample in the accommodating space cannot enter the UV light supply module without being affected by the UV light. The water sample analysis device as described in item 10 of the patent application scope further includes a carbon dioxide adsorption device connected to the first carrier gas providing module or the second carrier gas providing module, the carbon dioxide adsorption device A carbon dioxide adsorbent is provided to the first carrier gas or the second carrier gas to adsorb carbon dioxide contained in the first carrier gas or the second carrier gas.

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