Water quality detection titration device
By combining photometric titration and Beer-Lambert's law, a water quality testing titration device was designed, which solves the problem of insufficient accuracy in water quality testing in existing technologies and realizes efficient and accurate detection of colored or turbid solutions.
Patent Information
- Application Number
- CN202422514505.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Existing water quality testing methods such as ultraviolet spectroscopy are affected by multiple factors, have large measurement deviations, and are difficult to accurately measure the slight absorbance changes of colored or turbid solutions.
A water quality testing titration device was designed by using a titration method and photometric titration to detect changes in the absorbance of the system during the titration process, combined with Beer-Lambert's law. The device includes a quartz reaction cell, a photoelectric signal receiver, and a light source emitter. A sealing plug and gasket made of PTFE material are used to ensure airtightness and ease of installation.
It enables efficient and accurate detection of colored or turbid solutions, reduces measurement errors, and improves detection accuracy and efficiency.
Smart Images
Figure CN223449814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water quality detection technical field, specifically a water quality detection titration device. BACKGROUND
[0002] The prior art has ultraviolet spectrometry for water quality detection, and the value detected by the ultraviolet spectrometry is affected by multiple factors, and the measured value has large deviation, and the utility model discloses a water quality detection titration device, adopts titration mode, follows Lambert Beer's law, uses photometric titration method, determines the end point by detecting the change of system absorbance in the titration process, and specifically measures the factor to be detected, the method can deal with the influence of colority and turbidity, is suitable for colored or turbid solution, and weak absorbance change is easy to measure, and the precision and accuracy are higher. UTILITY MODEL CONTENTS
[0003] In order to solve the problems in the background art, the utility model provides a water quality detection titration device.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a water quality detection titration device, including gasket and fixed base, the top of fixed base is fixedly connected with fixed cover plate, the inside of fixed base is provided with quartz reaction pool, the middle of one side of fixed base is fixedly connected with photoelectric signal receiver, the middle of the other side of fixed base is fixedly connected with light source emitter, the upper and lower sides of quartz reaction pool are all installed with sealing plug through gasket, two sealing plugs are all fixedly connected with pipe joint, the outside of fixed base is fixedly connected with module fixed base.
[0005] Preferably, the quartz reaction pool includes a quartz tube in the middle and two titration tubes, the two titration tubes are disposed on the outer circumferential surface of the quartz reaction pool in an upper and lower staggered and inclined manner, and an electromagnetic valve is arranged in each of the two titration tubes.
[0006] Preferably, the two sealing plugs are sleeved with the fixed base and the fixed cover plate respectively, and the photoelectric signal receiver and the light source emitter are arranged in a position opposite to each other.
[0007] Preferably, a visual window is formed on the side of the fixed base away from the other side.
[0008] Preferably, the sealing plug and the gasket are both made of a fluorine material.
[0009] Compared with the prior art, the utility model has the following beneficial effects:
[0010] The utility model utilizes the characteristics of the fluorine material, is slightly soft and self-lubricating, makes the pipe joint easier to install, is resistant to acid and alkali, ensures the sealing property of the quartz reaction pool, and does not react with reagents, has compact structure, a visual window, and is convenient to maintain;
[0011] The utility model adopts photometric titration method, which is suitable for complex water sample analysis and detection, and has high efficiency, high precision and high accuracy;
[0012] The utility model can effectively control the dosage of reagents by replacing quartz reaction cells of different diameters, judge the titration change by the optical detection device, and obtain the detection value according to the dosage of reagents. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Fig. 1 This is a schematic diagram of the structure of the utility model;
[0014] Fig. 2 This is a disassembly diagram of the utility model.
[0015] In the figure: 1. Pipe joint; 2. Sealing plug; 3. Gasket; 4. Photoelectric signal receiver; 5. Light source transmitter; 6. Fixed base; 7. Quartz reaction cell; 8. Fixed cover; 9. Module fixing base. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] like Figs. 1-2 As shown, the utility model provides a water quality detection titration device, including a gasket 3 and a fixed base 6, a fixed cover plate 8 is fixedly connected to the top of the fixed base 6, a quartz reaction cell 7 is provided inside the fixed base 6, a photoelectric signal receiver 4 is fixedly connected to the middle of one side of the fixed base 6, and a light source transmitter 5 is fixedly connected to the middle of the other side of the fixed base 6. The upper and lower openings of the quartz reaction cell 7 are both installed with sealing plugs 2 through the gasket 3, and the two sealing plugs 2 are both fixedly connected to the pipe joint 1. The outer side of the fixed base 6 is fixedly connected to the module fixing seat 9;
[0018] The light source emitter 5 emits light of a specific wavelength and illuminates the quartz reaction cell 7. After the liquid inside the quartz reaction cell 7 absorbs a certain amount of light, the light is transmitted from the quartz reaction cell 7 and hits the photoelectric signal receiver 4. The titration operation is performed through the burette of the quartz reaction cell 7, and the change in the absorbance of the liquid can be detected. The color of the liquid will suddenly change significantly after a certain titration amount, which is the titration end point. The absorbance is measured and calculated to obtain the concentration value of the detected water sample.
[0019] It is worth mentioning that the absorbance measurement mentioned here and the calculation to obtain the concentration value of the detected water sample are all existing technical principles and will not be elaborated here.
[0020] As Figs. 1-2 shown, the quartz reaction cell 7 includes a middle quartz tube and two burettes, the two burettes are arranged on the outer circumferential surface of the quartz reaction cell 7 in an upper and lower staggered manner, and the two burettes are provided with electromagnetic valves; the fixing base 6 is provided with a clamping groove for accommodating the burette;
[0021] The quantitative pump can be used in cooperation with the burette of the quartz reaction cell 7 to perform titration operation, the electromagnetic valve connected to the burette of the quartz reaction cell 7 is automatically opened and closed by software, and the quartz reaction cell 7 can be designed to have different diameters, the amount of reagent can be effectively controlled by replacing the quartz reaction cell 7 with different diameters, the change of titration is judged by the light detection device, and the detection value is obtained by the amount of reagent;
[0022] It should be noted that the quantitative pump is a pump for quantitatively conveying liquid in the prior art, which is prior art and will not be described in detail.
[0023] As Figs. 1-2 shown, the two sealing plugs 2 are sleeved with the fixing base 6 and the fixing cover plate 8 respectively, the photoelectric signal receiver 4 and the light source emitter 5 are arranged in a position opposite to each other, the fixing base 6 is provided with a visual window on the side away from the 12, and the sealing plug 2 and the gasket 3 are made of a fluorine material;
[0024] By using the characteristics of the fluorine material, the pipe joint 1 is more easily installed, acid and alkali resistant, the sealing property of the quartz reaction cell 7 is ensured, and the pipe joint 1 does not react with the reagent; the structure is compact, the visual window is convenient for maintenance.
[0025] The working principle and use process of the utility model are as follows:
[0026] Firstly, the light source emitter 5 emits light of a specific wavelength to irradiate on the quartz reaction cell 7, the liquid in the quartz reaction cell 7 absorbs a certain light, the light is transmitted out of the quartz reaction cell 7 and hits on the photoelectric signal receiver 4, the titration operation is performed through the burette of the quartz reaction cell 7, the change of the liquid absorbance can be detected, the color of the liquid will suddenly change greatly after a certain amount of titration, that is, the titration end point, so that the absorbance is measured, and the detection water sample concentration value can be obtained by calculation.
[0027] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A water quality detection titration device, comprising a gasket (3) and a fixed base (6), characterized in that: A fixed cover plate (8) is fixedly connected to the top of the fixed base (6), a quartz reaction pool (7) is arranged inside the fixed base (6), a photoelectric signal receiver (4) is fixedly connected to the middle of one side of the fixed base (6), and a light source transmitter (5) is fixedly connected to the middle of the other side of the fixed base (6), the upper and lower openings of the quartz reaction pool (7) are both installed with sealing plugs (2) through gaskets (3), and the two sealing plugs (2) are both fixedly connected to pipe joints (1), and the outer side of the fixed base (6) is fixedly connected to a module fixing seat (9).
2. The water quality detection titration device according to claim 1, characterized in that: The quartz reaction pool (7) comprises a quartz tube in the middle and two burettes. The two burettes are arranged on the outer peripheral surface of the quartz reaction pool (7) in an up-down staggered and tilted manner. Solenoid valves are arranged in the two burettes. A slot for accommodating the burettes is provided on the fixed base (6).
3. The water quality detection titration device according to claim 1, characterized in that: The two sealing plugs (2) are respectively sleeved with the fixed base (6) and the fixed cover plate (8), and the photoelectric signal receiver (4) and the light source transmitter (5) are arranged in relative positions.
4. The water quality detection titration device according to claim 1, characterized in that: A visual window is provided on a side of the fixed base (6) away from (12).
5. The water quality detection titration device according to claim 1, characterized in that: The sealing plug (2) and the gasket (3) are both made of tetrafluoroethylene material.