CN217332425U - Water quality on-line analyzer - Google Patents
Water quality on-line analyzer Download PDFInfo
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- CN217332425U CN217332425U CN202220594306.4U CN202220594306U CN217332425U CN 217332425 U CN217332425 U CN 217332425U CN 202220594306 U CN202220594306 U CN 202220594306U CN 217332425 U CN217332425 U CN 217332425U
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- water quality
- digestion reaction
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Abstract
The utility model discloses a quality of water on-line analyzer, include: the multi-way valve group is provided with a channel with two open ends, an air inlet and an liquid outlet are formed at the two ends of the channel respectively, and a plurality of liquid inlets which are communicated with the channel and are positioned between the air inlet and the liquid outlet are formed at the two ends of the channel, wherein each liquid inlet and each air inlet are configured to be capable of being independently switched on and off, and the liquid inlets are communicated with reagent bottles; the metering tube is configured to meter the volume of the reagent entering the metering tube, and one end of the metering tube is communicated with the liquid outlet; the digestion reaction container is provided with a reaction cavity with two open ends, and one end of the reaction cavity is communicated with the other end of the metering pipe; a driver configured to apply suction or pressure to the reagent to draw the reagent into or expel the reagent from the digestion reaction vessel and in communication with the other end of the digestion reaction vessel.
Description
Technical Field
The utility model relates to a water quality analysis equipment field especially relates to an online analyzer of quality of water of one-way feed liquor.
Background
At present, water quality on-line analyzers are mainly divided into photoelectric detection metering, precise injection pump metering and direct peristaltic pump metering according to different sampling methods. Photoelectric detection metering is a mainstream metering and sampling method of a water quality on-line analyzer in the current market, and the driving force of the photoelectric detection metering is basically provided by a peristaltic pump or an injection pump. In the metering process of the water quality on-line analyzer, liquid is sucked from the valve group to the metering pipe through driving force, then reverse driving force is applied to enable the liquid to enter a certain valve of the valve group and then enter the digestion reactor, and liquid remains in gaps of the valve group, so that the stability and accuracy of the water quality on-line analyzer are influenced. In the dilution process, the step of blowing up and stirring is additionally added, so that the measurement time of the water quality on-line analyzer is increased. Therefore, the performance index of the water quality on-line analyzer is influenced in the application. Based on this, it is necessary to design a compact online water quality analyzer based on one-way liquid feeding.
Disclosure of Invention
The scheme aims at the problems and requirements provided above, provides a compact online water quality analyzer based on one-way liquid inlet, can achieve the technical purpose by adopting the following technical characteristics, and brings other multiple technical effects.
The utility model provides a quality of water on-line analyzer, include:
the multi-way valve group is provided with a channel with two open ends, an air inlet and an liquid outlet are formed at the two ends of the channel respectively, and a plurality of liquid inlets which are communicated with the channel and are positioned between the air inlet and the liquid outlet are formed at the two ends of the channel, wherein each liquid inlet and each air inlet are configured to be capable of being independently switched on and off, and the liquid inlets are communicated with reagent bottles;
a metering tube configured to meter a volume of reagent entering the metering tube, one end of the metering tube being in communication with the liquid outlet;
the digestion reaction container is provided with a reaction cavity with two open ends, and one end of the reaction cavity is communicated with the other end of the metering pipe;
an actuator in communication with the other end of the digestion reaction vessel configured to apply suction or pressure to the reagent to draw the reagent into the digestion reaction vessel or expel the reagent out of the digestion reaction vessel.
In the technical scheme, a driver is opened to enable the driver to generate negative pressure suction in a water quality on-line analyzer, one liquid inlet of a multi-way valve group is opened, so that reagents in a reagent bottle corresponding to the liquid inlet sequentially pass through a liquid outlet and a metering pipe and enter a digestion reaction container, then an air inlet is opened to obtain corresponding reagents which completely enter the digestion reaction container, when other reagents are required to be mixed, the liquid inlet of the multi-way valve group is closed, a specified liquid inlet is opened, and other reagents can be sucked into the digestion reaction container according to the steps; repeating the steps until the liquid inlet in the digestion reaction vessel is completed; the analyzer can realize one-way liquid inlet of the reagent, can not remain in the multi-way valve group, improves the stability and accuracy of the water quality on-line analyzer and reduces the reaction time.
In addition, according to the utility model discloses a quality of water on-line analyzer can also have following technical characteristic:
in an example of the present invention, the present invention further comprises: a plurality of connected connecting pipes which are communicated with each other,
the first port of the multi-way valve group is communicated with the liquid outlet, and the second port of the multi-way valve group is communicated with the metering pipe.
In an example of the present invention, the present invention further includes: a dilution cup and a first on-off valve,
the dilution cup is communicated with a third port of the multi-communication connecting pipe;
the first on-off valve is arranged between the dilution cup and the third port and used for controlling the on-off of the reagent between the dilution cup and the multi-communication connecting pipe.
In an example of the present invention, the present invention further includes: a waste water tank is arranged on the upper portion of the waste water tank,
and the waste water tank is communicated with the fourth port of the multi-communication connecting pipe.
In an example of the present invention, the present invention further includes: a two-position three-way valve,
the two-position three-way valve includes: the liquid inlet is communicated with the port of the multi-communication connecting pipe, the first liquid discharge port is communicated with the cleaning waste liquid tank, and the second liquid discharge port is communicated with the reagent waste liquid tank.
In an example of the present invention, the multi-communication connection pipe is a four-communication connection pipe.
In an example of the present invention, the present invention further includes: a first high-temperature and high-pressure valve,
the first high-temperature high-pressure valve is arranged between the digestion reaction vessel and the metering pipe and is used for controlling the on-off of the reagent between the digestion reaction vessel and the metering pipe.
In an example of the present invention, the present invention further includes: a second high-temperature and high-pressure valve,
the second high-temperature high-pressure valve is arranged between the digestion reaction container and the driver and used for controlling the on-off of the reagent between the digestion reaction container and the driver.
In an example of the present invention, the present invention further includes: a controller for controlling the operation of the electronic device,
the controller is at least coupled with the multi-way valve group and is used for controlling the on-off of each liquid inlet and each air inlet of the multi-way valve group;
the controller is coupled with at least the metering pipe and is used for feeding back the liquid level information of the reagent in the metering pipe to the controller;
the controller is coupled with at least the driver and is used for controlling the forward rotation or the reverse rotation of the driver to generate the suction force or the pressure.
In one example of the present invention, the metering tube is configured with a plurality of liquid level meters, and the liquid level meters are coupled to the controller.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described hereinafter. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural diagram of an online water quality analyzer according to an embodiment of the present invention.
List of reference numerals:
a water quality on-line analyzer 100;
a manifold block 110;
a channel 111;
a liquid outlet 112;
an air inlet 113;
a second shut-off valve 1131;
a liquid inlet 114;
a reagent bottle 115;
a metering tube 120;
a liquid level gauge 121;
a digestion reaction vessel 130; (ii) a
A driver 140;
a multiple communication connection pipe 150;
a first port 151;
a second port 152;
a third port 153;
a fourth port 154;
a dilution cup 160;
a first on-off valve 170;
a waste water tank 180;
a cleaning waste liquid tank 181;
a reagent waste liquid tank 182;
a two-position, three-way valve 190;
a fluid inlet 191;
a first drain port 192;
a second drain port 193;
a first high temperature and high pressure valve 200;
a second high temperature and high pressure valve 210;
a controller 220.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
According to the utility model discloses a quality of water on-line analyzer 100, include:
the multi-way valve set 110 is provided with a channel 111 with two open ends, wherein the two ends of the channel 111 respectively form an air inlet 113 and an liquid outlet 112, and a plurality of liquid inlets 114 which are communicated with the channel 111 and positioned between the air inlet 113 and the liquid outlet 112, wherein each liquid inlet 114 and the air inlet 113 can be independently opened and closed, and the liquid inlets 114 are communicated with a reagent bottle 115; the multi-way valve set 110 can be composed of N two-position two-way valves, can also be in the form of a circular N-way valve and the like, each valve port is independently and respectively connected with different reagent bottles or air, and can be plugged by a plug when the valve port is not used, wherein N is a positive integer greater than 1; and a second on-off valve 1131 is disposed at the air inlet 113 for controlling the on-off of the air inlet 113, that is, the valve is opened when air is taken in and closed when air is not taken in.
A metering tube 120 configured to meter the volume of reagent entering the metering tube 120, and one end of which is in communication with the liquid outlet 112;
a digestion reaction vessel 130 having a reaction chamber with two open ends, one end of the reaction chamber being communicated with the other end of the metering tube 120;
a driver 140 in communication with the other end of the digestion reaction vessel 130 and configured to apply suction or pressure to the reagent to draw the reagent into the digestion reaction vessel 130 or to expel the reagent out of the digestion reaction vessel 130. The driver 140 is a pump body, and the suction force and the pressure are generated by forward rotation and reverse rotation of the pump body, for example, the driver adopts a peristaltic pump, and can rotate forward and backward and adjust the speed of the rotation speed.
When liquid is fed, the driver 140 is opened to enable the driver 140 to generate negative pressure suction in the water quality online analyzer 100, one liquid inlet 114 of the multi-way valve group 110 is opened, so that the reagent in the reagent bottle 115 corresponding to the liquid inlet 114 sequentially passes through the liquid outlet 112 and the metering tube 120 and enters the digestion reaction container 130, then the air inlet 113 is opened to obtain that the corresponding reagent completely enters the digestion reaction container 130, when other reagents are required to be mixed, the liquid inlet 114 of the multi-way valve group 110 is closed, the specified liquid inlet 114 is opened, and other reagents can be sucked into the digestion reaction container 130 according to the steps; repeating the above steps until the feed solution in the digestion reaction vessel 130 is completed; compared with the prior art, the driver 140 does not need to be reversely rotated to push the liquid in the metering pipe 120 to the multi-way valve group 110 to enter the digestion reaction vessel 130, so that the liquid is fed in one way, the liquid cannot be left in the multi-way valve group 110, and the stability and the accuracy of the water quality on-line analyzer are improved.
When dilution is carried out, the driver 140 is opened to enable the driver 140 to generate negative pressure suction in the water quality on-line analyzer 100, one liquid inlet 114 and one air inlet 113 of the multi-way valve group 110 are opened, so that reagents in a reagent bottle corresponding to the liquid inlet 114 sequentially pass through the liquid outlet 112 and the metering tube 120 and enter the digestion reaction container 130, when dilution with distilled water is needed, the liquid inlet 114 of the multi-way valve group 110 is closed, the liquid inlet 114 corresponding to the reagent bottle filled with the distilled water is opened, and the distilled water reagents can be sucked into the digestion reaction container 130 according to the steps; the process does not need to separately add a dilution step to the digestion reaction vessel 130, and saves the measurement time of the water quality on-line analyzer 100. Compared with the prior art, the step of adding dilution stirring to the digestion reaction vessel 130 independently is not needed, and the measurement time of the water quality on-line analyzer is saved.
The analyzer can realize one-way liquid inlet of the reagent, and can not remain in the multi-way valve group 110, thereby improving the stability and accuracy of the water quality on-line analyzer 100.
In an example of the present invention, the present invention further includes: a multi-communication connection pipe 150 is provided,
a first port 151 of the metering tube 120 is communicated with the liquid outlet 112, and a second port 152 of the metering tube 120 is communicated with the multi-way valve set 110;
the reagent can be divided at the multi-communicating connecting pipe 150 by providing the multi-communicating connecting pipe 150, and since the multi-communicating connecting pipe 150 has a plurality of ports, on one hand, the reagent in the digestion reaction vessel 130 can be divided to other vessels which are communicated with the multi-communicating connecting pipe 150, such as a reagent bottle or a dilution cup 160 described below; on the other hand, the liquid in the dilution cup 160 or the reagent bottle described below may be branched into the digestion reaction vessel 130; the flexibility of communication between the metering tube 120 and the outside may be enhanced by providing a multiple communication connection tube 150.
In an example of the present invention, the present invention further includes: a dilution cup 160 and a first on-off valve 170,
the dilution cup 160 is communicated with the third port 153 of the multi-communication connection pipe 150;
the first on-off valve 170 is disposed between the dilution cup 160 and the third port 153, and controls on/off of the reagent between the dilution cup 160 and the multi-communication connection pipe 150;
the dilution cup 160 and the first on-off valve 170 are used for diluting the water quality on-line analyzer 100, the driver 140 rotates reversely to press the mixture of the digestion reaction container 130 with the water sample liquid or the range standard liquid and the distilled water into the dilution cup 160 through the metering tube 120, the multi-connection connecting tube 150 and the first on-off valve 170 in sequence, then the driver 140 rotates forwardly to measure the redundant mixture in the dilution cup 160 and evacuate the redundant mixture, the driver 140 rotates forwardly again to suck the residual mixture in the dilution cup 160 into the digestion reaction container 130, finally the first on-off valve 170 is closed to open one liquid inlet 114 in the multi-way valve set 110 (the liquid inlet 114 is communicated with a reagent bottle filled with distilled water), and the distilled water is sucked into the digestion reaction container 130 in one-way through the forward rotation of the driver 140 to complete further dilution.
It should be noted that, when the online water quality analyzer 100 does not require dilution, the dilution cup 160 and the first on-off valve 170 may be removed together, and the third port 153 may be blocked by a plug.
In an example of the present invention, the present invention further comprises: the waste water tank 180 is provided with a waste water tank,
configured to receive waste liquid, the waste water tank 180 communicates with the fourth port 154 of the multi-communication connection pipe 150;
the waste water tank 180 may be configured to store waste reagent liquid generated during the use of the on-line water quality analyzer 100 and waste cleaning liquid for cleaning the on-line water quality analyzer 100, for example, the waste reagent liquid is a waste reagent liquid after the reagent in the digestion reaction vessel 130 is analyzed, and the waste reagent liquid is reversely rotated by the driver 140 to be pressed into the waste water tank 180 from the digestion reaction vessel 130.
In an example of the present invention, the present invention further includes: a two-position three-way valve 190,
the two-position three-way valve 190 includes: the waste water tank 180 comprises a cleaning waste liquid tank 181 and a reagent waste liquid tank 182, the liquid inlet 191 is communicated with the port of the multi-communication connecting pipe 150, the first liquid outlet 192 is communicated with the cleaning waste liquid tank 181, and the second liquid outlet 193 is communicated with the reagent waste liquid tank 182;
that is, the cleaning waste liquid tank 181 is used for storing the cleaning waste liquid, the reagent waste liquid tank 182 is used for storing the reagent waste liquid, and when the cleaning waste liquid needs to be stored, the liquid inlet 191 of the two-position three-way valve 190 is communicated with the first liquid outlet 192; when the reagent waste liquid needs to be stored, the liquid inlet 191 of the two-position three-way valve 190 is communicated with the second liquid outlet 193.
In an example of the present invention, the multi-communication connection pipe 150 is a four-communication connection pipe;
that is, the multi-communication connection pipe 150 has a first port 151, a second port 152, a third port 153, and a fourth port 154 communicating with each other, wherein the first port 151 communicates with the liquid outlet 112, the second port 152 communicates with the metering pipe 120, the third port 153 communicates with the dilution cup 160, and the fourth port 154 communicates with the waste water tank 180.
In an example of the present invention, the present invention further includes: the first high-temperature and high-pressure valve 200,
the first high-temperature high-pressure valve 200 is arranged between the digestion reaction vessel 130 and the metering pipe 120 and is used for controlling the on-off of the reagent between the digestion reaction vessel 130 and the metering pipe 120;
the first high-temperature high-pressure valve 200 is opened when the driver 140 runs and closed when the driver 140 stops working, the mixed reagent is gathered in the digestion reaction vessel 130 when the water quality online analyzer 100 analyzes the water quality, and the mixed reagent can be limited in the digestion reaction vessel 130 by arranging the first high-temperature high-pressure valve 200;
in an example of the present invention, the present invention further includes: the second high-temperature and high-pressure valve 210,
the second high-temperature high-pressure valve 210 is arranged between the digestion reaction vessel 130 and the driver 140 and is used for controlling the on-off of the reagent between the digestion reaction vessel 130 and the driver 140;
the second high temperature and high pressure valve 210 is opened when the driver 140 is operated and closed when the driver 140 stops operating, and the mixed reagent is gathered in the digestion reaction vessel 130 when the water quality on-line analyzer 100 performs water quality analysis, and the mixed reagent can be limited in the digestion reaction vessel 130 by arranging the second high temperature and high pressure valve 210.
It should be noted that when the driver 140 operates, the first high-temperature and high-pressure valve 200 and the second high-temperature and high-pressure valve 210 are opened, and when the driver 140 stops, the first high-temperature and high-pressure valve 200 and the second high-temperature and high-pressure valve 210 are closed; the first high-temperature high-pressure valve 200 and the second high-temperature high-pressure valve 210 can also play a role in sealing the digestion reaction vessel 130, so that the digestion reaction vessel 130 forms a closed environment to meet the requirement of high-temperature high-pressure water quality analysis of the digestion reaction vessel 130. For example, the first high temperature and high pressure valve 200 and the second high temperature and high pressure valve 210 of the digestion reaction vessel 130 are tightly pressed by screw heads, and the airtightness requirement is met.
In an example of the present invention, the present invention further includes: the control unit (220) is provided with a controller,
the controller 220 is coupled to at least the multi-way valve set 110, and is configured to control on/off of each of the liquid inlet 114 and the air inlet 113 of the multi-way valve set 110;
the controller 220 is coupled to at least the metering tube 120 for feeding back information on the level of reagent in the metering tube 120 to the controller 220;
the controller 220 is coupled to at least the driver 140 for controlling the forward rotation or reverse rotation of the driver 140 to generate a suction force or a pressure;
the controller 220 is coupled to at least the first on-off valve 170, and is used for controlling the on-off of the first on-off valve 170;
the controller 220 is coupled to at least the two-position three-way valve 190 for controlling the conducting manner of the two-position three-way valve 190.
When the liquid is fed, the controller 220 controls the driver 140 to rotate forward, so that the driver 140 generates negative pressure suction force in the water quality on-line analyzer 100, the controller 220 controls the first high-temperature and high-pressure valve 200 and the second high-temperature and high-pressure valve 210 to open, meanwhile, the controller 220 controls the multi-way valve set 110 to open one of the liquid inlets 114, so that the reagent in the reagent bottle 115 corresponding to the liquid inlet 114 passes through the liquid outlet 112, the metering tube 120 and enters the digestion reaction vessel 130 in sequence, wherein, the metering tube 120 feeds back the real-time liquid level information to the controller, and when the liquid level of the reagent reaches the preset solvent, the controller controls the multi-way valve set 110 to close the liquid inlet 114, then the gas inlet 113 is opened to allow the corresponding reagent to completely enter the digestion reaction vessel 130, and when mixing of other reagents is required, the controller 220 controls the multi-way valve set 110 to open the designated liquid inlet 114, and other reagents can be sucked into the digestion reaction vessel 130 according to the steps; repeating the above steps until the feed solution in the digestion reaction vessel 130 is completed;
when dilution is carried out, the controller 220 controls the driver 140 to rotate forward so that the driver 140 generates negative pressure suction in the water quality online analyzer 100, the controller 220 controls the first high-temperature and high-pressure valve 200 and the second high-temperature and high-pressure valve 210 to be opened, and simultaneously the controller 220 controls the multi-way valve group 110 to open one of the liquid inlets 114, so that reagents in reagent bottles 115 corresponding to the liquid inlets 114 sequentially pass through the liquid outlets 112 and the metering pipe 120 and enter the digestion reaction container 130, wherein the metering pipe 120 feeds real-time liquid level information back to the controller 220, and when the liquid level of the reagents reaches a preset solvent, the controller 220 controls the multi-way valve group 110 to close the liquid inlet 114; then opening the gas inlet 113 to obtain the corresponding reagent which completely enters the digestion reaction vessel 130; when the reagent needs to be diluted by using distilled water, the controller 220 controls the multi-way valve set 110 to open the liquid inlet 114 corresponding to the reagent bottle 115 filled with distilled water, and the distilled water reagent can be sucked into the digestion reaction container 130 according to the steps; the process does not need to separately add a dilution step to the digestion reaction vessel 130, and saves the measurement time of the water quality on-line analyzer 100.
When the water quality on-line analyzer 100 needs to be diluted on line, the controller 220 controls the multi-way valve set 110 and the two-position three-way valve 190 to be closed, controls the first on-off valve 170 to be opened, controls the controller 220 to control the first high-temperature high-pressure valve 200 and the second high-temperature high-pressure valve 210 to be opened, controls the driver 140 to rotate reversely to press the water sample liquid or the mixed liquid of the range standard liquid and the distilled water in the digestion reaction container 130 into the dilution cup 160 through the metering pipe 120, the multi-connection connecting pipe 150 and the first on-off valve 170 in sequence, controls the driver 140 to rotate forwardly through the metering pipe 120 by the controller 220 to measure the redundant mixed liquid in the dilution cup 160, controls the controller 220 to control the first on-off valve 170 to be closed, controls the liquid inlet 191 of the two-position three-way valve 190 to be communicated with the second liquid outlet 193, and controls the driver 140 to rotate reversely to press the redundant mixed liquid into the waste water tank 180; then the controller 220 controls the two-position three-way valve 190 to close, controls the first on-off valve 170 to open, controls the driver 140 to rotate forward again to suck the remaining mixed liquid in the dilution cup 160 into the digestion reaction vessel 130, and finally, the controller 220 controls the first on-off valve 170 to close, opens one liquid inlet 114 in the multi-way valve set 110 (the liquid inlet 114 is communicated with the reagent bottle 115 filled with distilled water), and sucks the distilled water into the digestion reaction vessel 130 in a single direction through the forward rotation of the driver 140 to complete further dilution. The water quality on-line analyzer 100 effectively ensures the stability and accuracy of the water quality on-line analyzer and reduces the measurement time. The utility model provides a technical scheme can effectively overcome the multi-ported valve that current product exists and remain the measuring error who draws forth, and the unlimited multiple of realization that also can be very convenient dilutes the function and lets quality of water online analyzer possess super wide detection range, also can reduce the cost that the part retrencies according to the site conditions at utmost.
In an example of the present invention, a plurality of liquid level meters 121 are disposed on the metering tube 120, and the liquid level meters 121 are coupled to the controller 220; the liquid level meter 121 is disposed on the metering tube 120, so that the volume information of the liquid in the metering tube 120 can be obtained in real time and fed back to the controller 220. For example, the level gauge 121 is an infrared sensor, and may use the infrared light principle.
The exemplary embodiment of the online water quality analyzer 100 provided by the present invention has been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures provided by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. An online water quality analyzer is characterized by comprising:
the multi-way valve group (110) is provided with a channel (111) with two open ends, an air inlet (113) and an liquid outlet (112) are formed at two ends of the channel (111) respectively, and a plurality of liquid inlets (114) communicated with the channel (111) and positioned between the air inlet (113) and the liquid outlet (112), wherein each liquid inlet (114) and the air inlet (113) can be independently switched on and off, and the liquid inlets (114) are communicated with a reagent bottle (115);
a metering tube (120) configured to meter a volume of reagent entering the metering tube (120) and having one end in communication with the liquid outlet (112);
a digestion reaction vessel (130) which is provided with a reaction cavity with two open ends, and one end of the reaction cavity is communicated with the other end of the metering pipe (120);
an actuator (140) in communication with the other end of the digestion reaction vessel (130) configured to apply suction or pressure to the reagent to draw the reagent into the digestion reaction vessel (130) or expel the reagent out of and into the digestion reaction vessel (130).
2. The online water quality analyzer according to claim 1,
further comprising: a multi-communication connection pipe (150),
is arranged between the metering pipe (120) and the multi-way valve group (110), a first port (151) of the multi-way valve group is communicated with the liquid outlet (112), and a second port (152) of the multi-way valve group is communicated with the metering pipe (120).
3. The online water quality analyzer according to claim 2,
further comprising: a dilution cup (160) and a first on-off valve (170),
the dilution cup (160) is communicated with the third port (153) of the multi-communication connection pipe (150);
the first on-off valve (170) is disposed between the dilution cup (160) and the third port (153) and controls on/off of the reagent between the dilution cup (160) and the multi-communication connection pipe (150).
4. The online water quality analyzer according to claim 2,
further comprising: a waste water tank (180),
configured to receive waste liquid, the waste water tank (180) communicates with the fourth port (154) of the multi-communication connection pipe (150).
5. The online water quality analyzer according to claim 4,
further comprising: a two-position three-way valve (190),
the two-position, three-way valve (190) includes: the waste water tank (180) comprises a cleaning waste liquid tank (181) and a reagent waste liquid tank (182), the liquid inlet (191) is communicated with the port of the multi-communication connecting pipe (150), the first liquid outlet (192) is communicated with the cleaning waste liquid tank (181), and the second liquid outlet (193) is communicated with the reagent waste liquid tank (182).
6. The online water quality analyzer according to claim 2,
the multiple communicating connecting pipes (150) are four communicating connecting pipes.
7. The online water quality analyzer according to claim 1,
further comprising: a first high-temperature and high-pressure valve (200),
the first high-temperature high-pressure valve (200) is arranged between the digestion reaction vessel (130) and the metering pipe (120) and is used for controlling the on-off of the reagent between the digestion reaction vessel (130) and the metering pipe (120).
8. The online water quality analyzer according to claim 1 or 7,
further comprising: a second high-temperature and high-pressure valve (210),
the second high temperature and high pressure valve (210) is arranged between the digestion reaction vessel (130) and the driver (140) and is used for controlling the on-off of the reagent between the digestion reaction vessel (130) and the driver (140).
9. The online water quality analyzer according to claim 1,
further comprising: a controller (220) for controlling the operation of the motor,
the controller (220) is at least coupled with the multi-way valve set (110) and is used for controlling the on-off of each liquid inlet (114) and each air inlet (113) of the multi-way valve set (110);
the controller (220) is coupled with at least the metering tube (120) and is used for feeding back the liquid level information of the reagent in the metering tube (120) to the controller (220);
the controller (220) is coupled to at least the driver (140) for controlling forward or reverse rotation of the driver (140) to generate suction or pressure.
10. The online water quality analyzer according to claim 9,
the metering pipe (120) is provided with a plurality of liquid level meters (121), and the liquid level meters (121) are coupled with the controller (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220594306.4U CN217332425U (en) | 2022-03-17 | 2022-03-17 | Water quality on-line analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220594306.4U CN217332425U (en) | 2022-03-17 | 2022-03-17 | Water quality on-line analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217332425U true CN217332425U (en) | 2022-08-30 |
Family
ID=83001052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220594306.4U Active CN217332425U (en) | 2022-03-17 | 2022-03-17 | Water quality on-line analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217332425U (en) |
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2022
- 2022-03-17 CN CN202220594306.4U patent/CN217332425U/en active Active
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