An apparatus for determining anionic surfactants in wastewater

Abstract

The utility model relates to wastewater treatment determination technical field, specifically is a kind of wastewater anionic surfactant determination device, including spectrophotometer main part, detection bin, storage bin and battery bin, the top of spectrophotometer main part one end is equipped with storage bin, the inner wall one side in storage bin is connected with display screen by damping pivot, the inner bottom of storage bin is paved with buffer pad, one end of storage bin is provided with detection bin and detection bin top is connected with detection bin cover by damping pivot, the inside of detection bin cover is bonded with embedded seal ring;The inner bottom of detection bin is provided with cuvette, the side of spectrophotometer main part and the communication detection bin are provided with air inlet pipe;Wastewater anionic surfactant determination device realizes the dustproof, anti-bump of display screen, dust in detection bin is quickly swept clean, and when detection bin is cleaned, humidity is high, realizes air drying inside.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment measurement technology, specifically to a device for measuring anionic surfactants in wastewater. Background Technology

[0002] The methylene blue spectrophotometric method is commonly used to determine anionic surfactants in wastewater. The cationic dye methylene blue reacts with anionic surfactants (such as sodium linear alkylbenzene sulfonate (LAS), sodium alkyl sulfonate, and sodium fatty alcohol sulfate) to form blue ion-pair compounds. These substances that react with methylene blue are collectively called methylene blue active substances (MBAS). The resulting chromogenic product can be extracted with chloroform (or dichloromethane), and its color intensity is directly proportional to its concentration. The absorbance of the chloroform phase is measured at a wavelength of 652 nm using a spectrophotometer to determine the concentration of anionic surfactants in the water.

[0003] Existing devices for measuring anionic surfactants in wastewater cannot protect the display screen from dust and impacts, cannot automatically and quickly blow away dust from the testing chamber, and have high humidity levels after cleaning, making it impossible to air dry the interior. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a device for measuring anionic surfactants in wastewater. The device protects the display screen from dust and impacts, quickly blows away dust from the detection chamber, and ensures that the high humidity level after cleaning allows for internal drying.

[0005] The technical solution adopted by this utility model to solve its technical problem is an anionic surfactant measuring device in wastewater, including a spectrophotometer body, a detection chamber, a storage chamber and a battery chamber. The top end of the spectrophotometer body has a storage chamber. A display screen is connected to one side of the inner wall of the storage chamber through a damping shaft. A buffer pad is laid at the bottom of the storage chamber. A detection chamber is set at one end of the storage chamber and the top of the detection chamber is connected to a detection chamber cover through a damping shaft. An embedded sealing ring is adhered to the inner and outer periphery of the detection chamber cover.

[0006] A cuvette is installed at the bottom of the detection chamber. An air inlet pipe is installed on one side of the spectrophotometer body and connected to the detection chamber. An exhaust fan is installed at one end of the air inlet pipe and close to the detection chamber by screws. A dust filter is engaged at the other end of the air inlet pipe and located outside the spectrophotometer body. A time relay switch is installed at one end of the dust filter and located on one side of the spectrophotometer body by screws.

[0007] By adopting the above technical solution, the anionic surfactant measuring device in wastewater achieves dustproof and impact-proof display screen, quickly blows away dust in the detection chamber, and after the detection chamber is cleaned, the high humidity allows for air drying of the interior.

[0008] Specifically, one end of the spectrophotometer body has a battery compartment and a power supply battery is embedded in the battery compartment, and the embedded sealing ring is made of silicone rubber.

[0009] By adopting the above technical solution, the embedded sealing ring is specifically made of silicone rubber, which has high elasticity and good sealing effect, thereby improving the sealing performance at the joint between the test chamber cover and the test chamber.

[0010] Specifically, a battery cover is installed on the outside of the battery compartment by screws, and the output end of the power supply battery is electrically connected to the spectrophotometer body, the time relay switch and the input end of the exhaust fan by wires.

[0011] Specifically, the output terminal of the time relay switch is electrically connected to the input terminal of the exhaust fan via a wire.

[0012] By adopting the above technical solution, the working time of the exhaust fan is automatically controlled by a time relay switch, and the exhaust fan is automatically turned off after the set time is reached, resulting in a high degree of automation.

[0013] Specifically, the bottom corners of the spectrophotometer body are all glued together, and a control button is provided on one side of the storage compartment.

[0014] Specifically, a lever is provided on one end of the display screen and at the end of the detection chamber cover.

[0015] The beneficial effects of this utility model are:

[0016] (1) The device for determining anionic surfactants in wastewater described in this utility model involves transferring the filtered water sample into a colorimetric tube, adding methylene blue solution dropwise, immediately shaking to mix, injecting chloroform extractant, manually or with a vibrator to fully extract, allowing it to stand and separate into layers, gently aspirating the lower layer of blue organic phase into a cuvette, closing the detection chamber cover to allow the embedded sealing ring to enter the detection chamber, greatly improving the sealing performance at the locking point, measuring the absorbance of the solution at a set wavelength using the control button, subtracting the absorbance of the blank test from the absorbance of the sample, and then finding the LAS content from the calibration curve.

[0017] (2) The device for determining anionic surfactants in wastewater described in this utility model, after the test is completed, the display screen is flipped inward and placed into the storage chamber. The buffer pad is used for buffer protection to achieve dustproof and impact-proof display screen. When it is necessary to remove dust from the test chamber, the exhaust fan is turned on to draw the outside air into the test chamber. Under the action of airflow, the dust in the test chamber is quickly blown clean. After the test chamber is cleaned, the humidity is high, so the inside is dried. The time relay switch is used to automatically control the working time of the exhaust fan. After the set time is reached, the exhaust fan is automatically turned off, and the degree of automation is high. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the testing chamber of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the battery compartment of this utility model;

[0022] Figure 4 This is a schematic diagram of the exhaust fan structure of this utility model.

[0023] In the diagram: 1. Control button; 2. Buffer pad; 3. Storage compartment; 4. Display screen; 5. Spectrophotometer body; 6. Detection compartment cover; 7. Battery cover; 8. Detection compartment; 9. Toggle block; 11. Air inlet duct; 12. Embedded sealing ring; 13. Rubber feet; 14. Time relay switch; 15. Dust filter; 16. Power supply battery; 17. Battery compartment; 18. Exhaust fan; 19. Cuvette. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] To ensure the dustproof and impact-resistant display screen 4 of the anionic surfactant measuring device in wastewater, the dust inside the detection chamber 8 is quickly blown away. Furthermore, after cleaning, the high humidity level in the detection chamber 8 allows for internal drying. Figure 1-4As shown, the present invention discloses a device for determining anionic surfactants in wastewater, comprising a spectrophotometer body 5, a detection chamber 8, a storage chamber 3, and a battery compartment 17. The storage chamber 3 is provided at one end of the top of the spectrophotometer body 5. A display screen 4 is connected to one side of the inner wall of the storage chamber 3 via a damping shaft. A buffer pad 2 is laid at the bottom of the storage chamber 3. The detection chamber 8 is provided at one end of the storage chamber 3, and a detection chamber cover 6 is connected to the top of the detection chamber 8 via a damping shaft. An embedded sealing ring 12 is adhered to the inner periphery of the detection chamber cover 6.

[0026] A cuvette 19 is provided at the bottom of the detection chamber 8. An air inlet pipe 11 is provided on one side of the spectrophotometer body 5 and connected to the detection chamber 8. An exhaust fan 18 is installed at one end of the air inlet pipe 11 and close to the detection chamber 8 by screws. A dust filter 15 is engaged at the other end of the air inlet pipe 11 and located outside the spectrophotometer body 5. A time relay switch 14 is installed at one end of the dust filter 15 and located on one side of the spectrophotometer body 5 by screws.

[0027] During use, the anionic surfactant measuring device in wastewater protects the display screen 4 from dust and impacts, quickly blows away the dust inside the detection chamber 8, and after the detection chamber 8 is cleaned, the high humidity allows for air drying of the interior.

[0028] For example, such as Figure 1 , 3 As shown, the present invention also includes a battery compartment 17 at one end of the spectrophotometer body 5, and a power supply battery 16 is embedded in the battery compartment 17. The embedded sealing ring 12 is specifically made of silicone rubber.

[0029] In use, the embedded sealing ring 12 is made of silicone rubber, which has high elasticity and good sealing effect, improving the sealing performance at the engagement point between the detection chamber cover 6 and the detection chamber 8.

[0030] For example, such as Figure 1 , 3 As shown in Figure 4, this utility model also includes a battery cover 7 installed on the outside of the battery compartment 17 by screws, and the output end of the power supply battery 16 is electrically connected to the spectrophotometer body 5, the time relay switch 14 and the input end of the exhaust fan 18 by wires.

[0031] When in use, the battery cover 7 seals the battery compartment 17, making it easy for the power supply battery 16 to supply power to electrical equipment.

[0032] For example, such as Figure 3 , 4 As shown, the present invention also includes an electrical connection between the output terminal of the time relay switch 14 and the input terminal of the exhaust fan 18 via a wire.

[0033] When in use, the time relay switch 14 automatically controls the working time of the exhaust fan 18, and automatically turns off the exhaust fan 18 after the set time is reached, which has a high degree of automation.

[0034] For example, such as Figure 1 As shown, this utility model also includes a control button 1 that is glued to the bottom corner of the spectrophotometer body 5 and is provided on one side of the storage compartment 3.

[0035] During use, the rubber feet 13 provide stable support for the spectrophotometer body 5, and have a significant anti-slip effect.

[0036] For example, such as Figure 1 As shown, the present invention also includes a toggle block 9 provided on one end of the display screen 4 and the end of the detection chamber cover 6.

[0037] When in use, the lever 9 is used to easily rotate the display screen 4 and open the detection chamber cover 6.

[0038] When using this invention, the filtered water sample is transferred into the colorimetric tube, methylene blue solution is added drop by drop, and the mixture is immediately shaken and mixed. Chloroform extractant is then injected, and the mixture is fully extracted by hand or by vigorous shaking with a shaker. After standing and separating into layers, the lower layer of blue organic phase is gently aspirated and injected into the colorimetric cuvette 19. The detection chamber cover 6 is closed, allowing the embedded sealing ring 12 to enter the detection chamber 8, which greatly improves the sealing performance of the locking point.

[0039] The absorbance of the solution is measured by setting the wavelength, such as 645 nanometers, using control button 1. The absorbance of the sample is subtracted from the absorbance of the blank test, and the content of LAS is found from the calibration curve. After the test is completed, the display screen 4 is flipped inward and placed into the storage compartment 3. The buffer pad 2 is used for buffer protection to achieve dustproof and impact-proof protection for the display screen 4.

[0040] When dust removal is required inside the testing chamber 8, the exhaust fan 18 is turned on to draw outside air into the testing chamber 8. Under the action of airflow, the dust inside the testing chamber 8 is quickly blown clean. After the testing chamber 8 is cleaned, the humidity is high, which allows the interior to be dried. The working time of the exhaust fan 18 is automatically controlled by the time relay switch 14. After the set time is reached, the exhaust fan 18 is automatically turned off, which has a high degree of automation.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A device for determining anionic surfactants in wastewater, characterized in that, The spectrophotometer includes a main body (5), a detection chamber (8), a storage chamber (3), and a battery compartment (17). The main body (5) has a storage chamber (3) at one top end. A display screen (4) is connected to one side of the inner wall of the storage chamber (3) via a damping shaft. A buffer pad (2) is laid at the bottom of the storage chamber (3). A detection chamber (8) is provided at one end of the storage chamber (3), and a detection chamber cover (6) is connected to the top of the detection chamber (8) via a damping shaft. An embedded sealing ring (12) is bonded to the inner periphery of the detection chamber cover (6). A cuvette (19) is provided at the bottom of the detection chamber (8). An air inlet pipe (11) is provided on one side of the spectrophotometer body (5) and connected to the detection chamber (8). An exhaust fan (18) is installed at one end of the air inlet pipe (11) close to the detection chamber (8) by screws. A dust filter (15) is engaged at the other end of the air inlet pipe (11) and located outside the spectrophotometer body (5). A time relay switch (14) is installed at one end of the dust filter (15) and located on one side of the spectrophotometer body (5) by screws.

2. The device for determining anionic surfactants in wastewater according to claim 1, characterized in that, The main body (5) of the spectrophotometer has a battery compartment (17) at one end and a power supply battery (16) is embedded in the battery compartment (17). The embedded sealing ring (12) is specifically made of silicone rubber.

3. The device for determining anionic surfactants in wastewater according to claim 2, characterized in that, The battery compartment (17) is fitted with a battery cover (7) by screws on the outside. The output end of the power supply battery (16) is electrically connected to the spectrophotometer body (5), the time relay switch (14) and the input end of the exhaust fan (18) by wires.

4. The device for determining anionic surfactants in wastewater according to claim 1, characterized in that, The output terminal of the time relay switch (14) and the input terminal of the exhaust fan (18) are electrically connected by a wire.

5. The device for determining anionic surfactants in wastewater according to claim 1, characterized in that, The bottom corners of the spectrophotometer body (5) are all glued together, and a control button (1) is provided on one side of the storage compartment (3).

6. The device for determining anionic surfactants in wastewater according to claim 1, characterized in that, Both the end of the display screen (4) and the end of the detection chamber cover (6) are provided with a lever (9).

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