CN210071388U - Water quality monitoring sampling and labeling device capable of adjusting volume - Google Patents
Water quality monitoring sampling and labeling device capable of adjusting volume Download PDFInfo
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- CN210071388U CN210071388U CN201920199518.0U CN201920199518U CN210071388U CN 210071388 U CN210071388 U CN 210071388U CN 201920199518 U CN201920199518 U CN 201920199518U CN 210071388 U CN210071388 U CN 210071388U
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Abstract
The utility model relates to a quality of water automatic measurement technical field on line just discloses a water quality monitoring sampling and labeling device of adjustable constant volume, including the sampling cup with the equal fixed mounting in the left and right sides of sampling cup outer wall has the supersonic generator who is located into appearance pipe and overflow pipe below, the fluid-discharge tube of flowing back valve is installed to the fixed intercommunication in bottom of sampling cup, the fixed intercommunication in top of sampling cup has and connects the constant volume pipe through positioning joint, just the constant volume pipe is located one of the sampling cup outside and serves the penetrating constant volume pump of fixed even. The device provided by the utility model has simple structure and adjustable volume, and when the sectional area of the sampling cup is inconsistent, the accurate volume can be obtained, thereby ensuring the accuracy of adding the mark; the cleaning effect is good, the sampling cup is ensured to be clean for a long time, and the substances to be detected cannot be adsorbed due to the sediments; the ultrasonic wave can shake garrulous with large granule in the water sample, releases more material that awaits measuring, and the agitator guarantees that the material that awaits measuring is even in the sampling cup.
Description
Technical Field
The utility model relates to a quality of water on-line automatic measurement technical field specifically is a water quality monitoring sampling and mark adding device of adjustable constant volume.
Background
In the automatic water quality monitoring, in order to ensure that online monitoring data is stable and accurate for a long time, quality control is required, the testing accuracy of an instrument is checked, the error of the data is ensured to be within an allowable range, and the checking is mainly carried out by periodically checking high and low known concentration standard solutions and adding standard to a water sample for recycling. The standard adding recovery is a general quality control means in a laboratory, and the water body background is considered, namely whether the water body is interfered is judged by judging whether the standard adding recovery is normal, so that whether the method used by the online monitor is suitable for the water body to be detected can be further reflected on the basis of reflecting whether pollution occurs, reagent deterioration and system errors.
At present, in the field of online monitoring of water quality, a quality control instrument or a quality control system with added standard recovery is widely applied. However, the existing labeling device has the following problems: the first is that the volume is not accurate and can not change, such as patent CN206573331U, patent CN207600938U and patent CN 207717751U. Because the size of the container of the device is always deviated in the processing, if the constant volume cannot be adjusted, the volume is inaccurate; secondly, the homogenization effect is poor, some devices homogenize by air stirring, the effect is not good, and volatile substances in the water sample can be lost in the aeration process, so that the water quality is influenced. Because the labeling recovery device needs to prepare a water sample firstly, the instrument takes the water sample for testing, then the water sample is labeled, the instrument takes the labeled water sample for testing, the retention time of the water sample in the device is as long as 30min and 90min, if homogenization is not carried out in the long time, particulate matters can be deposited, some substances to be tested can be adsorbed by the inner wall, the state of the water sample before and after labeling is inconsistent, and the determination of the labeling recovery rate is influenced; the third is that the cleaning effect is poor, because the water sample is preserved in the device for a long time, if the device does not have good cleaning effect, the inner wall of the device will be covered by the deposit soon, and the measuring and labeling effect of the water sample is influenced inevitably.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a water quality monitoring of adjustable constant volume is sampled and is added mark device possesses simple structure, convenient to use, and the constant volume is accurate, adjustable, and the homogenization is effectual, and the good water quality monitoring of cleaning performance is sampled and is added advantages such as mark device, has solved the inaccurate and unchangeable of constant volume, and the homogenization effect is poor, the poor problem of cleaning performance.
(II) technical scheme
In order to achieve the above object, the present invention provides the following technical solutions: a water quality monitoring sampling and labeling device with adjustable constant volume comprises a sampling cup and ultrasonic generators, wherein the ultrasonic generators are fixedly arranged on the left side and the right side of the outer wall of the sampling cup and are positioned below a sampling pipe and an overflow pipe, meanwhile, a liquid discharge pipe of a liquid discharge valve is fixedly communicated with the bottom of the sampling cup, the discharge of liquid in the sampling cup is convenient to control, the top of the sampling cup is fixedly communicated with a constant volume pipe through a positioning connector, the constant volume pipe is fixedly connected with a constant volume pump on one end, which is positioned outside the sampling cup, the constant volume pump is used for pumping a water sample in the sampling cup through the constant volume pipe, a stirrer, the output shaft of which is positioned inside the sampling cup, is fixedly arranged at the central line of the top of the sampling cup and is used for stirring and cleaning the water sample, a liquid level detector between the stirrer and the positioning connector is fixedly arranged in the sampling cup and is used for storing detection data of the water sample collected by the sampling cup, the top of the sampling cup is fixedly communicated with a cleaning pipe communicated with a cleaning spray head inside the sampling cup, and the outer wall of the sampling cup is fixedly provided with an observation window which is opposite to the constant volume pipe and is used for observation.
Preferably, the material of the sampling cup is metal, such as stainless steel; the sampling cup is square, and an ultrasonic generator is arranged on the side surface of the sampling cup; the bottom of the sampling cup is in an inverted trapezoid shape.
Preferably, the constant volume device comprises: constant volume pump, constant volume pipe, location joint. The constant volume pump pumps out all water samples higher than the tail end of the constant volume pipe, the depth of the constant volume pipe in the sampling cup can be adjusted through the observation window, and the constant volume pipe can be fixed through the positioning joint.
Preferably, the cleaning device comprises a cleaning pipe and a cleaning nozzle, the cleaning nozzle is connected with the cleaning pipe, and the cleaning pipe provides pressurized cleaning water for the cleaning nozzle.
Preferably, the stirrer is in the form of a stirring rod, and the stirring rod is arranged at a lower position in the sampling cup.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect: the structure is simple, the volume-fixing volume is adjustable, and when the sectional areas of the sampling cups are inconsistent, the accurate volume can be obtained, so that the accuracy of adding the standard is ensured; the cleaning effect is good, the sampling cup is ensured to be clean for a long time, and the substances to be detected cannot be adsorbed due to the sediments; the ultrasonic wave can shake garrulous with large granule in the water sample, releases more material that awaits measuring, and the agitator guarantees that the material that awaits measuring is even in the sampling cup.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a schematic structural section view of the present invention;
fig. 2 is the external structure diagram of the structure of the present invention.
In the figure: 1. a sampling cup; 2. an ultrasonic generator; 3. a sample inlet pipe; 4. an overflow pipe; 5. a liquid discharge pipe; 6. a drain valve; 7. a sampling tube; 8. adding a label tube; 9. a constant volume pump; 10. a constant volume tube; 11. positioning the joint; 12. a stirrer; 13. cleaning the tube; 14. cleaning the spray head; 15. an observation window; 16. a liquid level detector; 17. stirring the leaves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a water quality monitoring sampling and labeling device with adjustable volume comprises a sampling cup 1, a sampling pipe 3 and an overflow pipe 4 for water sample on the outer wall, an observation window 15 in the middle, and a drain pipe 5 with a drain valve 6 at the bottom; meanwhile, the ultrasonic generators 2 are arranged on two sides of the sampling cup 1 and are horizontally aligned; the top of the sampling cup 1 is respectively and fixedly communicated with a sampling tube 7, a labeling tube 8, a constant volume tube 10, a positioning joint 11, a stirrer 12, a cleaning tube 13, a cleaning spray head 14 and a liquid level detector 16; it should be noted that the constant volume tube 10 is opposite to the sampling cup 1 and is provided with an observation window 15.
In the utility model, the sampling cup 1 is made of metal, such as corrosion-resistant materials like stainless steel, the water quality of a water sample cannot be influenced, the sampling cup 1 is square, the ultrasonic generator 2 is convenient to install on the side surface of the sampling cup, and the bottom of the sampling cup 1 is inverted trapezoid, so that impurities can be conveniently discharged along with the water sample through the liquid discharge pipe 5, the residue is further reduced, the dirt-resistant adhesion and easy cleaning performance of the metal material are better than those of a plastic material, and through ultrasonic waves emitted by the ultrasonic generator 2, on one hand, larger particles in the water sample can be smashed or substances to be detected attached to the particles can be desorbed such as organic substances, nitrogen and phosphorus substances, and the water sample can be more representative; on the other hand, the ultrasonic wave can clean the inner wall of the sampling cup 1 and a pipeline in an ultrasonic field, and also can be combined with the cleaning spray head 14 to clean the sampling cup 1, the cleaning spray head 14 is connected with the cleaning pipe 13, and the cleaning pipe 13 provides cleaning water with pressure for the cleaning spray head 14; agitator 12 can stir the water sample, the material that awaits measuring is even in guaranteeing, make the water sample state unanimous before and after the adding mark, constant volume pump 9 will be higher than the water sample more than constant volume pipe 10 end and all take out, the constant volume when remaining water sample is for adding mark recovery test, constant volume pipe 10 has decided the constant volume jointly apart from the height of sampling cup 1 bottom and the sectional area of sampling cup 1, the degree of depth of constant volume pipe 10 in sampling cup 1 can be changed the constant volume through 15 adjustment observation windows, can fix constant volume pipe 10 with attach fitting 11, 16 detectable liquid levels of level detector, in order to guarantee that the water sample has filled sampling cup 1.
The device needs a 220V power supply to be directly connected with commercial power when in work, and related instruments and electronic equipment mentioned in the device are existing products, so that specific related models are not specified.
When the device works, the method can be divided into three steps: a first step of water sample test: a water sample enters the interior of the sampling cup 1 through the sample inlet pipe 3, the liquid discharge valve 6 is opened, the water sample is rinsed for a period of time, the liquid discharge valve 6 is closed, then the water sample is filled to the overflow pipe 4 and overflows, the liquid level detector 16 sends a water full signal at the moment, the water sample filling is stopped, the stirrer 12 is opened, the ultrasonic generator 2 is opened for a preset time at the same time, the water sample homogenization is carried out, and after the ultrasonic generator 2 is stopped, the water quality online monitor samples from the sampling pipe 7 for water sample analysis; and a second step of volume fixing and standard adding: after the water sample is taken by the instrument, the stirrer 12 stops stirring, the constant volume pump 9 is started, the water sample higher than the tail end of the constant volume pipe 10 is discharged, the constant volume pump 9 is stopped, and the constant volume is completed. And starting the stirrer 12 again, feeding the standard solution into the sampling cup 1 through the standard adding pipe 8, and stirring uniformly to finish the standard adding. Simultaneously, sampling the water quality on-line monitor from the sampling pipe 7 again for water sample analysis, and calculating the standard adding recovery rate; and a third step of cleaning: after the instrument finishes taking a water sample, opening a drain valve 6, discharging the residual water sample from a drain pipe 5, closing the drain valve 6, then washing the sampling cup 1 by washing water through a washing pipe 13 and a washing nozzle 14, simultaneously starting an ultrasonic generator 2 for washing, after washing for a period of time, opening the drain valve 6, discharging the washing water and continuing to wash for a period of time, continuing to wash, closing the ultrasonic generator 2, washing the water, and closing the drain valve 6.
In conclusion, the water quality monitoring sampling and labeling device with the adjustable volume-fixed volume pumps out a water sample higher than the volume-fixed pipe 10 through the volume-fixed pump 9, so that the volume-fixed volume is adjustable, when the sectional areas of the sampling cups 1 are inconsistent, the accurate volume can be obtained, and the labeling accuracy is ensured after the labeling is added in the rest water sample; the materials are uniformly mixed by the stirrer 12, and the inside of the sampling cup 1 is cleaned by the ultrasonic generator 2 and the cleaning nozzle 14, so that the cleaning effect is good, the sampling cup 1 is ensured to be clean for a long time, and the materials to be detected cannot be adsorbed due to deposits; meanwhile, the ultrasonic waves can shatter large particles in a water sample, release more substances to be detected and match with the stirrer 12, so that the uniformity of the substances to be detected in the sampling cup 1 and the accuracy of detection data can be further guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a water quality monitoring sampling and mark adding device of adjustable constant volume, including sampling cup (1) and the equal fixed mounting in the left and right sides of sampling cup (1) outer wall has supersonic generator (2) that are located into appearance pipe (3) and overflow pipe (4) below, its characterized in that: the bottom of the sampling cup (1) is fixedly communicated with a liquid discharge pipe (5) provided with a liquid discharge valve (6), the top of the sampling cup (1) is fixedly communicated with a constant volume pipe (10) connected with a positioning joint (11), and one end of the constant volume pipe (10) positioned at the outer side of the sampling cup (1) is fixedly connected with a through constant volume pump (9), a stirrer (12) with an output shaft positioned in the sampling cup (1) is fixedly arranged at the center line of the top of the sampling cup (1), a liquid level detector (16) between the stirrer (12) and the positioning joint (11) is fixedly arranged in the sampling cup (1), the top of the sampling cup (1) is fixedly communicated with a cleaning pipe (13) communicated with a cleaning spray head (14) in the sampling cup (1), and an observation window (15) which is right opposite to the constant volume pipe (10) is fixedly arranged on the outer wall of the sampling cup (1).
2. The water quality monitoring sampling and labeling device capable of adjusting the volume according to claim 1, which is characterized in that: the sampling cup (1) is square in shape and inverted trapezoid in bottom, and is used for facilitating the discharge of liquid in the sampling cup (1) through the liquid discharge pipe (5).
3. The water quality monitoring sampling and labeling device capable of adjusting the volume according to claim 1, which is characterized in that: the ultrasonic wave that supersonic generator (2) sent can shake the breakage with large granule in the water sample, releases more to be measured material, and combines to wash clean sampling cup (1) of shower nozzle (14), the output shaft fixed mounting of agitator (12) has stirring leaf (17) that are used for stirring the water sample.
4. The water quality monitoring sampling and labeling device capable of adjusting the volume according to claim 1, which is characterized in that: the constant volume pump (9) will be higher than the water sample of constant volume pipe (10) more than terminal and all take out, constant volume pipe (10) have decided the constant volume jointly apart from the height of sampling cup (1) bottom and the sectional area of sampling cup (1), observation window (15) are used for adjusting the degree of depth of constant volume pipe (10) in sampling cup (1) can change the constant volume.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920199518.0U CN210071388U (en) | 2019-02-15 | 2019-02-15 | Water quality monitoring sampling and labeling device capable of adjusting volume |
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| CN201920199518.0U CN210071388U (en) | 2019-02-15 | 2019-02-15 | Water quality monitoring sampling and labeling device capable of adjusting volume |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426518A (en) * | 2020-06-10 | 2020-07-17 | 佛山市稚蒙环境科技有限公司 | Online fluid sampling device and sampling method |
| CN112964504A (en) * | 2021-02-06 | 2021-06-15 | 河北呈鑫质检技术服务有限公司 | Water quality real-time monitoring system and monitoring method based on TOC detector |
| CN113238018A (en) * | 2021-05-17 | 2021-08-10 | 江苏捷恩特智能科技有限公司 | Energy-conserving integration water quality testing device |
| CN113484485A (en) * | 2021-06-29 | 2021-10-08 | 南京公诚节能新材料研究院有限公司 | Intelligent water quality scale control and sterilization algae inhibition detection system |
| CN114453333A (en) * | 2021-11-17 | 2022-05-10 | 中国海洋石油集团有限公司 | HPU liquid storage tank cleaning system and impurity detection method using same |
-
2019
- 2019-02-15 CN CN201920199518.0U patent/CN210071388U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426518A (en) * | 2020-06-10 | 2020-07-17 | 佛山市稚蒙环境科技有限公司 | Online fluid sampling device and sampling method |
| CN112964504A (en) * | 2021-02-06 | 2021-06-15 | 河北呈鑫质检技术服务有限公司 | Water quality real-time monitoring system and monitoring method based on TOC detector |
| CN113238018A (en) * | 2021-05-17 | 2021-08-10 | 江苏捷恩特智能科技有限公司 | Energy-conserving integration water quality testing device |
| CN113238018B (en) * | 2021-05-17 | 2023-12-22 | 江苏捷恩特智能科技有限公司 | Energy-saving integrated water quality detection device |
| CN113484485A (en) * | 2021-06-29 | 2021-10-08 | 南京公诚节能新材料研究院有限公司 | Intelligent water quality scale control and sterilization algae inhibition detection system |
| CN114453333A (en) * | 2021-11-17 | 2022-05-10 | 中国海洋石油集团有限公司 | HPU liquid storage tank cleaning system and impurity detection method using same |
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