Portable sewage surfactant concentration auxiliary detection device
By using a portable wastewater surfactant concentration auxiliary detection device, which utilizes a spiral sampler and optical imaging technology, the problem of the inability to remotely detect surfactant concentration in wastewater has been solved, enabling rapid and accurate on-site detection results.
Patent Information
- Application Number
- CN202423001482.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing technologies cannot achieve remote online detection of surfactant concentrations in wastewater, and the sampling and transportation processes can easily lead to sample deterioration, making it impossible to reflect the actual situation of the water area in real time.
A portable auxiliary detection device for surfactant concentration in wastewater was designed, comprising a housing, a spiral sampler, an LED light panel, a glass grid panel, and a camera. The device detects surfactant concentration in wastewater using the pendant drop method and utilizes a light source and amplifier in conjunction with a mobile phone for on-site detection.
This technology enables rapid on-site detection of surfactant concentrations in wastewater, avoiding sample deterioration during transportation and improving the timeliness and accuracy of detection.
Smart Images

Figure CN223692207U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of sewage treatment especially relates to a portable sewage surfactant concentration auxiliary detection device. BACKGROUND
[0002] Current when detecting liquid in certain water area or container, the operator needs to take sample on site, and then takes back to the laboratory for detection, and the fluorescence detection is generally completed in the laboratory, cannot realize remote online detection, resulting in that the detection result cannot reflect the actual situation of the water area in real time, and when needing to take sample for many times, needs to prevent sample transportation from causing deterioration, and the operation is more frequent, and when detecting the change amount of anionic surfactant content in a unit time in certain water area, the operator needs to take sample regularly to measure the change amount of the content. UTILITY MODEL CONTENT
[0003] The utility model discloses a portable sewage surfactant concentration auxiliary detection device, simple and compact structure, small and exquisite, low in cost, convenient to carry, can cooperate with mobile phone to carry out on-site detection, and timely analysis and judgment are made.
[0004] In order to achieve the above purpose, the utility model adopts the technical scheme that a portable sewage surfactant concentration auxiliary detection device, including the box, the box is vertically provided with the baffle, and the baffle is divided into the closed contrast area and the observation area, the contrast area is provided with the light source and the spiral sample feeder that drops liquid downward, the light source and the spiral sample feeder are vertically provided with the grid plate, and the grid plate is same in size with the baffle, the baffle is provided with the observation port, and the observation port corresponds with the liquid outlet of the spiral sample feeder, and the observation port is provided with the magnifier, and the bracket for placing the camera is also included in the observation area, and the camera lens corresponds with the magnifier.
[0005] Preferably, the light source is an LED lamp plate provided on the side surface of the box, which is connected with an external power supply, and the lamp beads on the LED lamp plate face the grid plate, and the intensity of the light source is adjusted by a current regulator.
[0006] Preferably, the spiral sample feeder includes a sample feeding cylinder, a spiral push rod and a dripper, the inner wall of the sample feeding cylinder is provided with an internal thread, the piston of the spiral push rod is provided with an external thread matched with the internal thread, and the dripper is connected to the sample outlet end of the sample feeding cylinder to squeeze the measured liquid drops when the spiral push rod is rotated.
[0007] Preferably, the grid plate is a glass grid plate, which is provided with horizontal and vertical scale lines, and the distance between the grid plate and the light source is 6-41cm.
[0008] The bottom of the box is provided with a plurality of height-adjustable foot supports, and the box is provided with a bubble level.
[0009] Preferably, the spacing between the grid plate and the partition plate is 7-15 cm, a laser counter corresponding to the liquid outlet of the spiral sample feeder is arranged in the contrast area, the spiral sample feeder is vertically downward, and the laser counter is located at the middle of the contrast area.
[0010] Preferably, a liquid receiving groove is arranged at the bottom of the box in the contrast area, and the liquid receiving groove corresponds to the spiral sample feeder.
[0011] Preferably, the needle tube of the spiral sample feeder is located at 2 / 3 of the height of the box, the diameter of the drop port of the drop head is 0.1-1 mm, and the material of the drop head is a hydrophobic material.
[0012] Preferably, the magnification of the magnifier is 5-10 times, and the scale range of the grid plate is 0.05-0.5 mm.
[0013] Preferably, the laser route of the laser counter corresponds to the falling route of the liquid drops extruded by the spiral sample feeder.
[0014] Compared with the prior art, the device has the advantages and positive effects that: by rotating the spiral sample feeder, a hanging drop is generated, the light emitted by the LED lamp plate is incident on the grid plate, the hanging drop forms an image on the grid plate, the image is enlarged by the magnifying glass, the image is photographed by the camera, the surface tension of the sample is measured, the viscosity of the measured liquid is detected according to the drop weight method, the concentration of the surfactant in the measured sewage is obtained according to the known standard concentration of the surfactant, the surface tension and the viscosity fitting formula, the concentration of the surfactant in the sewage is detected on site, the interference caused by the color and turbidity of the sewage and the transportation time of the sewage sample can be effectively eliminated, and the timeliness of detection is improved. The device has the advantages of simple and compact structure, small size, low cost and convenient carrying, can be used for on-site detection in cooperation with a mobile phone, and timely analysis and judgment can be made. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a three-dimensional structure schematic view of the device;
[0016] Fig. 2 It is a front structure schematic view of the device;
[0017] Fig. 3 It is a spiral sample feeder structure schematic view of the device;
[0018] Fig. 4 It is an LED lamp plate schematic view of the device;
[0019] Fig. 5 It is a glass grid plate schematic view of the device;
[0020] Fig. 6 The utility model discloses a partition and amplifier schematic view.
[0021] In the drawing: 1, box body;11, handle;12, bubble level;13, footing support;2, contrast area;21, LED lamp plate;22, spiral sample feeder;23, grid plate;24, laser counter;25, liquid receiving groove;26, sample feeding cylinder;27, spiral push rod;28, dripper;29, screw thread;210, LED lamp bead;211, scale line;3, observation area;31, support;32, amplifier;4, partition;5, external power supply;6, liquid drop. DETAILED DESCRIPTION
[0022] Below, the utility model is specifically described through exemplary implementation. However, it should be understood that the element, structure and feature in one implementation can also be beneficially combined into other implementations without further description.
[0023] A portable sewage surfactant concentration auxiliary detection device, see Figs. 1 to 6 , including box body 1, the box body 1 is vertically provided with partition 4, and the partition 4 is divided into airtight contrast area 2 and observation area 3, the contrast area 2 is provided with light source and spiral sample feeder 22 that drops liquid 6 downward, the light source and spiral sample feeder 22 are vertically provided with grid plate 23 between, and the grid plate 23 is the same size with partition 4, the partition 4 is provided with observation port, and the observation port corresponds with the liquid outlet of spiral sample feeder 22, and the observation port is provided with amplifier 32, further including support 31 that is set in observation area 2, for placing camera, and the camera lens corresponds with amplifier 32.
[0024] The light source is LED lamp plate 21 set on the side of box body 1, which is connected with external power supply 5, and the lamp bead 210 on LED lamp plate 21 is towards grid plate 23, and the light source intensity is adjusted by current regulator.
[0025] Spiral sample feeder 22 includes sample feeding cylinder 26, spiral push rod 27 and dripper 28, the inner wall of sample feeding cylinder 26 is provided with internal screw thread 29, the piston of spiral push rod 27 is provided with external screw thread matched with internal screw thread, and dripper 28 is connected to the liquid outlet end of sample feeding cylinder 26 to extrude measured liquid drop 6 when spiral push rod 27 is rotated.
[0026] Grid plate 23 is glass grid plate, which is provided with horizontal and vertical scale lines 211, and the distance between grid plate 23 and light source is 20cm.
[0027] The bottom of box body 1 is provided with a plurality of adjustable height footing supports 13, and the box body is provided with bubble level 12 and handle 11.
[0028] In the embodiment, the distance between the grid plate 23 and the partition plate 4 is 12 cm, a laser counter 24 corresponding to the liquid outlet of the spiral sample feeder 22 is arranged in the contrast area 2, the spiral sample feeder 22 is vertically downward, and the laser counter 24 is located at one side of the middle box 1 in the contrast area 2.
[0029] In the contrast area 2, a liquid receiving groove 25 corresponding to the spiral sample feeder 22 is arranged at the bottom of the box 1.
[0030] In the embodiment, the needle of the spiral sample feeder 22 is located at the position of 2 / 3 of the height of the box 1, the diameter of the drop port of the drop head 28 is 0.1-1 mm, and the material of the drop head 28 is a hydrophobic material.
[0031] In the embodiment, the amplification multiple of the amplifier 32 is 8 times, and the scale line 211 on the grid plate 23 has a range of 0.1 mm.
[0032] The laser route of the laser counter 24 corresponds to the falling route of the liquid drop extruded by the spiral sample feeder 22.
[0033] Through the equipment experiment detection, the detection error of the device is about 5%.
[0034] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of the change or replacement within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A portable device for assisting in the detection of sewage surfactant concentration, characterised in that, The box is internally vertically provided with a partition plate, which separates a closed contrast area and an observation area, the contrast area is internally provided with a light source and a spiral sample feeder which downwardly discharges liquid drops, a grid plate is vertically arranged between the light source and the spiral sample feeder, the grid plate has the same size as the partition plate, the partition plate is provided with an observation port corresponding to the liquid drop discharge port of the spiral sample feeder, the observation port is provided with a magnifier, a support is arranged in the observation area and used for placing a camera, and a lens of the camera corresponds to the magnifier.
2. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The light source is an LED lamp plate arranged on a side surface of the box and connected with an external power supply, lamp beads of the LED lamp plate face the grid plate, and the intensity of the light source is adjusted by a current regulator.
3. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The spiral sample feeder comprises a sample feeding cylinder, a spiral push rod and a drop head, an inner thread is arranged on an inner wall of the sample feeding cylinder, an outer thread which is matched with the inner thread is arranged on a piston of the spiral push rod, and the drop head is connected to a sample discharge end of the sample feeding cylinder so as to squeeze the measured liquid drops when the spiral push rod is rotated.
4. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The grid plate is a glass grid plate, which is provided with horizontal and vertical scale lines, and the distance between the grid plate and the light source is 6-41 cm.
5. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The bottom of the box is provided with a plurality of adjustable height foot supports, and the box is provided with a level bubble.
6. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The distance between the grid plate and the partition plate is 7-15 cm, the contrast area is provided with a laser counter corresponding to the liquid drop discharge port of the spiral sample feeder, the spiral sample feeder is vertically downward, and the laser counter is located at a side of the box in the middle of the contrast area.
7. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: In the contrast area, a liquid receiving groove is arranged at the bottom of the box and corresponds to the spiral sample feeder.
8. The portable auxiliary detection device for sewage surfactant concentration according to claim 3, characterized in that: The needle tube of the spiral sample feeder is located at 2 / 3 of the height of the box, the diameter of the drop head is 0.1-1 mm, and the material of the drop head is a hydrophobic material.
9. The portable auxiliary detection device for sewage surfactant concentration according to claim 1, characterized in that: The magnification of the magnifier is 5-10 times, and the scale line range of the grid plate is 0.05-0.5 mm.
10. The portable auxiliary detection device for sewage surfactant concentration according to claim 6, characterized in that: The laser route of the laser counter corresponds to the falling route of the squeezed liquid drops of the spiral sample feeder.