A sewage sludge activity concentration measuring instrument with self-cleaning structure

Abstract

The utility model discloses a sewage sludge activity concentration measuring instrument with a self-cleaning structure, which relates to the field of sewage measuring instruments and comprises a measuring instrument. A shell component comprises a sleeve, a line outlet cover, a bottom cover, a first O-ring and transparent glass. The sewage sludge activity concentration measuring instrument with a self-cleaning structure comprises a shell component and a measuring component. The inner wall of the shell component is fixedly connected with the measuring component. A circuit control board of the measuring component consists of a main control CPU and an optical transmitting and receiving circuit. After the main control board is powered on, the CPU self-checks and sequentially starts the optical transmitting and receiving circuits. After the optical circuit is started, a light sensor is driven to emit controllable pulse light at a specific angle. After the light passes through a visible light filter, it is emitted into water through waterproof glass. After the infrared light is reflected by impurities in the water, the receiving sensor receives the light at a specific angle and converts it into an electrical signal to send to the CPU for intelligent calculation, thereby obtaining the concentration of active sludge in the sewage.

Description

Technical Field

[0001] The utility model relates to the field of sewage measuring instruments, in particular to a sewage sludge activity concentration measuring instrument with a self-cleaning structure. Background Art

[0002] The sewage meter is a device used to detect various parameters in water. It can monitor changes in water quality in real time and help operators grasp various parameters in the water treatment process in a timely manner, thereby providing a scientific basis for decision-making.

[0003] In the process of municipal sewage treatment, the sludge concentration of the biochemical reaction pool needs to be continuously measured to obtain real-time sludge concentration data. Most of the products on the market are single-beam structures with low detection sensitivity, narrow range, and inability to achieve automatic cleaning. In addition, most of the domestic products are SUS304 stainless steel shell structures, which are prone to rust and blackening in acidic and alkaline water bodies for a long time. Summary of the invention

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage sludge activity concentration measuring instrument with a self-cleaning structure, comprising a measuring instrument, wherein the measuring instrument comprises a shell component and a measuring component, and the measuring component is fixedly connected to the inner wall of the shell component.

[0005] As a further solution of the utility model: the shell assembly includes a sleeve, a wire outlet cover, a bottom cover, a first O-ring, and transparent glass. One end of the sleeve is threadedly connected to the wire outlet cover, and the other end of the sleeve is threadedly connected to the bottom cover. An opening is opened on the surface of the bottom cover, and a transparent glass is fixedly connected to the opening through a first O-ring.

[0006] As a further solution of the utility model: the measuring assembly includes a POM connecting and fixing block, a stainless steel pressure plate, a cross flat head screw, a wiper fixing block, a rubber strip, a hexagon socket screw, a signal light, a Kimi screw, a motor fixing seat, a second O-ring, a flat head screw, a motor, a metal sensor, a metal sensor fixing plate, a first hexagonal stud and a second hexagonal stud. The POM connecting and fixing block is fixedly connected to the wiper fixing block through a bearing through the bottom cover, and the top of the wiper fixing block is fixedly connected to the stainless steel pressure plate by a cross flat head screw. The signal light is fixed inside the POM connecting and fixing block, and the motor fixing seat is fixed to the surface of the POM connecting and fixing block by bolts. The motor fixing seat is installed with Kimi screws inside, and the motor fixing seat is fixedly connected to the motor with flat head screws. The metal sensor is fixed to the surface of the POM connecting and fixing block, and the metal sensor is fixedly connected to the outside with a metal sensor fixing plate. The first hexagonal stud and the second hexagonal stud fix the POM connecting and fixing block inside the sleeve, and the second O-ring is installed inside the sleeve.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] The sewage sludge activity concentration measuring instrument with a self-cleaning structure comprises a measuring instrument, wherein the measuring instrument comprises a shell component and a measuring component, wherein the inner wall of the shell component is fixedly connected with the measuring component, and the circuit control board of the measuring component consists of a main control CPU and an optical transmitting and receiving circuit. After the main control board is powered on, the CPU performs self-checking and sequentially starts the optical transmitting and receiving circuits. After the optical circuit is started, the optical sensor is driven to emit controllable pulse light at a specific angle. After the light passes through a visible light filter, it is emitted into water through waterproof glass. After the infrared light is reflected by impurities in the water, the receiving sensor receives the light at a specific angle and converts it into an electrical signal to be sent to the CPU for intelligent calculation, thereby obtaining the concentration of activated sludge in the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a side view of the sewage sludge activity concentration measuring instrument with a self-cleaning structure of the utility model;

[0010] Figure 2 Disassembly of the sewage sludge activity concentration measuring instrument with self-cleaning structure of the utility model Figure 1 ;

[0011] Figure 3 Disassembly of the sewage sludge activity concentration measuring instrument with self-cleaning structure of the utility model Figure 2 .

[0012] As shown in the figure: 1. Measuring instrument; 2. Shell assembly; 3. Measuring assembly; 4. Sleeve; 5. Wire outlet cover; 6. Bottom cover; 7. First O-ring; 8. Transparent glass; 9. POM connection fixing block; 10. Stainless steel pressure plate; 11. Cross flat head screw; 12. Wiper fixing block; 13. Rubber strip; 14. Hexagon socket screw; 15. Signal light; 16. Kimi screw; 17. Motor fixing seat; 18. Second O-ring; 19. Flat head screw; 20. Motor; 21. Metal sensor; 22. Metal sensor fixing plate; 23. First hexagonal stud; 24. Second hexagonal stud. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0014] See also Figure 1—3. In an embodiment of the utility model, a sewage sludge activity concentration measuring instrument with a self-cleaning structure includes a measuring instrument 1, wherein the measuring instrument 1 includes a housing component 2 and a measuring component 3. The inner wall of the housing component 2 is fixedly connected with the measuring component 3. The circuit control board of the measuring component 3 is composed of a main control CPU and an optical transmitting and receiving circuit. After the main control board is powered on, the CPU self-checks and starts the optical transmitting and receiving circuits in sequence. After the optical circuit is started, the optical sensor is driven to emit controllable pulse light at a specific angle. After the light passes through the visible light filter, it is emitted into the water through the waterproof glass. After the infrared light is reflected by impurities in the water, the receiving sensor receives the light at a specific angle and converts it into an electrical signal to be sent to the CPU for intelligent calculation, thereby obtaining the concentration of activated sludge in the sewage.

[0015] The housing assembly 2 includes a sleeve 4, a wire outlet cover 5, a bottom cover 6, a first O-ring 7, and a transparent glass 8. One end of the sleeve 4 is threadedly connected to the wire outlet cover 5, and the other end of the sleeve 4 is threadedly connected to the bottom cover 6. An opening is provided on the surface of the bottom cover 6, and a transparent glass 8 is fixedly connected to the opening via a first O-ring 7.

[0016] The measuring assembly 3 includes a POM connecting and fixing block 9, a stainless steel pressure plate 10, a cross flat head screw 11, a wiper fixing block 12, a rubber strip 13, a hexagon socket screw 14, a signal lamp 15, a screw 16, a motor fixing seat 17, a second O-ring 18, a flat head screw 19, a motor 20, a metal sensor 21, a metal sensor fixing sheet 22, a first hexagonal stud 23 and a second hexagonal stud 24. The POM connecting and fixing block 9 is fixedly connected to the wiper fixing block 12 by passing a bearing through the bottom cover 6. The top of the wiper fixing block 12 is fixedly connected to the stainless steel pressure plate 10 and the rubber strip 13 by a cross flat head screw 11. The signal lamp 15 is fixed inside the POM connecting and fixing block 9. The motor fixing seat 17 is fixed to the surface of the POM connecting and fixing block 9 by bolts. A base screw 16 is installed inside the motor fixing base 17, and the motor fixing base 17 is fixedly connected to the motor 20 by a flat head screw 19. The metal sensor 21 is fixed on the surface of the POM connecting and fixing block 9, and the metal sensor fixing plate 22 is fixedly connected to the outside of the metal sensor 21. The first hexagonal stud 23 and the second hexagonal stud 24 fix the POM connecting and fixing block 9 inside the sleeve 4, and the second O-ring 18 is installed inside the sleeve 4. When in use, the motor 20 drives the coupling on the POM connecting and fixing block 9 to rotate, and the coupling drives the external wiper fixing block 12 to rotate, the signal light 15 lights up and emits controllable pulse light, and the receiving sensor receives the light at a specific angle and converts it into an electrical signal to send to the CPU for intelligent calculation, thereby obtaining the concentration of activated sludge in the sewage.

[0017] The measuring instrument 1 adopts a stable monochromatic LED to emit a controllable pulse light intensity scattered light technology and a spherical visual film sensor acquisition technology. The light signal emitted from the controllable pulse LED light-emitting tube at a specific angle is refracted or reflected by impurities in the measured water sample to the spherical visual film sensor, and then converted into a logarithmic function after isolation and comparative analysis. Reliable verification measurement technology can correct problems such as compensation electrode failure and optical component aging.

[0018] This sensor has stable measurement, ultra-high sensitivity, high intelligence and easy installation. The servo-electric self-cleaning mechanism keeps the detection lens clean at all times and extends the service life of the mechanism.

Claims

1. A sewage sludge activity concentration measuring instrument with a self-cleaning structure, comprising a measuring instrument (1), characterized in that: The measuring instrument (1) comprises a housing component (2) and a measuring component (3), wherein the inner wall of the housing component (2) is fixedly connected with the measuring component (3), wherein the measuring component (3) comprises a POM connecting and fixing block (9), a stainless steel pressure plate (10), a cross flat head screw (11), a wiper fixing block (12), a rubber strip (13), a hexagon socket screw (14), a signal light (15), a base screw (16), a motor fixing seat (17), a second O-ring (18), a flat head screw (19), a motor (20), a metal sensor (21), a metal sensor fixing sheet (22), a first hexagonal stud (23) and a second hexagonal stud (24), wherein the POM connecting and fixing block (9) is fixedly connected to the wiper fixing block (12) by passing through a bottom cover (6) through a bearing, and the wiper fixing block (12) The top end is fixedly connected to the stainless steel pressure plate (10) and the rubber strip (13) by a cross flat head screw (11), the signal light (15) is fixed inside the POM connection fixing block (9), the motor fixing seat (17) is fixed to the surface of the POM connection fixing block (9) by bolts, the motor fixing seat (17) is installed with a base screw (16), the motor fixing seat (17) is fixedly connected to the motor (20) by a flat head screw (19), the metal sensor (21) is fixedly connected to the surface of the POM connection fixing block (9), the outside of the metal sensor (21) is fixedly connected with a metal sensor fixing sheet (22), the first hexagonal stud (23) and the second hexagonal stud (24) fix the POM connection fixing block (9) inside the sleeve (4), and the sleeve (4) is installed with a second O-ring (18).

2. The sewage sludge activity concentration measuring instrument with a self-cleaning structure according to claim 1, characterized in that: The housing assembly (2) comprises a sleeve (4), a wire outlet cover (5), a bottom cover (6), a first O-ring (7), and a transparent glass (8); one end of the sleeve (4) is threadedly connected to the wire outlet cover (5); the other end of the sleeve (4) is threadedly connected to the bottom cover (6); an opening is provided on the surface of the bottom cover (6), and the transparent glass (8) is fixedly connected to the opening via the first O-ring (7).

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