CN219046096U - Sewage treatment sedimentation tank turbidity detection system - Google Patents

Abstract

The utility model discloses a turbidity detection system of a sewage treatment sedimentation tank, which is characterized in that: including the detection case with be used for supporting the support column of detection case is equipped with transparent observation window on the chamber door of detection case, is provided with in the box of detection case and shows and the changer module, is close to the support column at the lower extreme of detection case and is provided with sampling tube and exhaust pipe respectively, and wherein the sampling tube is connected at the feed liquor end of showing and changer module, and the exhaust pipe is connected at the play liquid end of showing and changer module, is connected with turbidity sensor on showing and changer module, still is provided with the flow valve on the sampling tube. The effect is that: the mobile sampling type detection is realized through the sampling tube and the discharge tube, so that the pollution of a probe is reduced, the detection precision is improved, and the service life is prolonged; meanwhile, rain and sewage corrosion of equipment can be reduced, and the debugging authority of the equipment can be controlled; the internal equipment of the detection box can be remotely controlled, so that the on-site check of detection data can be conveniently realized, and the remote uploading of the data can be realized.

Description

Sewage treatment sedimentation tank turbidity detection system

Technical Field

The utility model relates to a water quality detection technology, in particular to a turbidity detection system of a sewage treatment sedimentation tank.

Background

The sedimentation tank is a treatment structure for removing suspended particles with density higher than that of water from the water by utilizing the gravity sedimentation effect, and is a common treatment unit in the sewage treatment process, and is mainly used for primary sewage treatment, biological treatment post-treatment and advanced treatment.

For the sedimentation tank, the sedimentation effect of the sedimentation tank is usually judged by adopting turbidity detection, the conventional turbidity online detection usually comprises that a turbidity meter is directly stretched into the sedimentation tank, and the accuracy of detection is usually affected by accumulation of sediment on the surface of a sensor due to the severe operating environment, and meanwhile, the device is easily damaged by collision. Aiming at the collision problem, chinese patent 202121893619.1 discloses a wastewater turbidity detection device, which can effectively guarantee a turbidity detection probe through a protection component, and avoid the risk of collision after the turbidity detection probe is detected into water; meanwhile, the filter screen cover can be conveniently detached, and replacement or cleaning is convenient.

But it has the following drawbacks:

(1) The management and protection of the monitoring equipment are lacking, the whole equipment is exposed in a severe operating environment, and rainwater corrosion is easy to occur;

(2) The sensor adopts an invasive detection mode, and the detection precision is easily affected by the environment.

Disclosure of Invention

The utility model aims to provide a turbidity detection system for a sewage treatment sedimentation tank, which can realize unified management of a detection module, and meanwhile, adopts a sampling type detection mode to improve the detection precision and the service life of a sensor.

In order to achieve the above purpose, the specific technical scheme adopted by the utility model is as follows:

a turbidity detection system of a sewage treatment sedimentation tank is characterized in that: including detection case (1) and be used for supporting support column (2) of detection case (1), be equipped with transparent observation window (3) on the chamber door of detection case (1), be provided with in the box of detection case (1) and show and changer module (4) the lower extreme of detection case (1) is close to support column (2) are provided with sampling tube (5) and drain pipe (6) respectively, and wherein sampling tube (5) are connected at the feed liquor end of showing and changer module (4), and drain pipe (6) are connected at the drain end of showing and changer module (4), are connected with turbidity sensor (7) on showing and changer module (4) still be provided with flow valve (8) on sampling tube (5).

Optionally, a box door lock (9) is arranged on the box door of the detection box (1).

Optionally, a canopy plate (10) is arranged at the top end of the detection box (1), and a waterproof ventilation window (11) is further arranged on the side wall of the lower end of the detection box (1).

Optionally, the display and transmitter module (4) is connected with a signal input loop of the PLC control cabinet through a signal cable, and the display and transmitter module (4) is also connected with a power supply loop of the PLC control cabinet through a power cable.

Optionally, a signal surge protector (12) is connected in series with the signal cable, and a power surge protector (13) is connected in series with the power cable.

Optionally, a sampling pump (14) is connected to the sampling tube (5), a liquid inlet pipeline of the sampling pump (14) extends into the sedimentation tank, and a bottom valve (15) is arranged at the bottom of the liquid inlet pipeline.

Optionally, the sampling tube (5) is also connected with an emptying pipeline (16), and an emptying valve (17) is arranged on the emptying pipeline (16).

Optionally, the sampling tube (5) and the discharge tube (6) are vertically fixed on two sides of the support column (2) through fixing sleeves (18).

Compared with the prior art, the utility model has the beneficial effects that:

(1) The flow sampling type detection is realized through the sampling pipe and the discharge pipe, so that the sensor probe is prevented from being immersed in the sewage environment for a long time, the pollution of the probe is reduced, the detection precision is improved, and the service life is prolonged;

(2) The centralized management of the detection equipment by the detection box reduces the rain, dirt and corrosion of the equipment, and can control the debugging authority of the equipment;

(3) The detection box internal equipment can be remotely controlled, so that the on-site checking of detection data can be conveniently realized, the remote uploading of the detection data can be realized, and the intelligent design of the system is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is a diagram showing the connection relationship of a sampling pump according to an embodiment of the present utility model;

FIG. 3 is a side view of a test cassette in an embodiment of the utility model;

FIG. 4 is a diagram showing the electrical connections of a transmitter module in accordance with an embodiment of the present utility model.

Reference numerals in the drawings: 1-detection box, 2-support column, 3-transparent observation window, 4-display and transmitter module, 5-sampling tube, 6-exhaust tube, 7-turbidity sensor, 8-flow valve, 9-box door lock, 10-canopy board, 11-waterproof ventilation window, 12-signal surge protector, 13-power surge protector, 14-sampling pump, 15-bottom valve, 16-blow-out pipeline, 17-blow-out valve, 18-fixed cover.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1-3, this embodiment provides a sewage treatment sedimentation tank turbidity detection system, including detection case 1 and be used for supporting detection case 1's support column 2, detection case 1 can adopt the iron leather case, be equipped with transparent observation window 3 on the chamber door, be provided with case lock 9 between box and chamber door, case lock 9 can adopt waterproof rust-proof lock, can realize detection case 1 internal equipment authority management and control through case lock 9, detection case 1's top is provided with canopy plate 10, canopy plate 10 inclines to both sides respectively and sets up and realize rainwater drainage, still be provided with waterproof ventilation window 11 on detection case 1's lateral wall near the lower extreme, waterproof ventilation window 11 can adopt the shutter, support column 2 adopts the stainless steel pipe, diameter 80mm, wall thickness 1.5mm, the bottom of support column 2 passes through the supporting seat to be fixed on ground, ensure supporting strength.

The detection box 1 is internally provided with a display and transmitter module 4, the lower end of the detection box 1 is close to a support column 2 and is respectively provided with a sampling tube 5 and a sampling tube 6, the sampling tube 5 and the sampling tube 6 are vertically fixed on two sides of the support column 2 through fixing sleeves 18, the sampling tube 5 is connected to the liquid inlet end of the display and transmitter module 4, the sampling tube 6 is connected to the liquid outlet end of the display and transmitter module 4, the display and transmitter module 4 is connected with a turbidity sensor 7, and the sampling tube 5 is further provided with a flow valve 8. As can be seen in connection with fig. 2, for better sampling and emptying, a sampling pump 14 is connected to the sampling tube 5, the liquid inlet pipeline of the sampling pump 14 extends into the sedimentation tank, a bottom valve 15 is arranged at the bottom of the liquid inlet pipeline, an emptying pipeline 16 is also connected to the sampling tube 5, and an emptying valve 17 is arranged on the emptying pipeline 16.

Through the design, when turbidity detection is needed, the emptying valve 17 is closed, the sampling pump 14 pumps the detection sample in the sedimentation tank and sends the detection sample to the display and transmitter module 4 through the sending sampling pipe 5, the redundant detection sample passes through the flow of the discharging pipe 6, the flow rate and the flow rate of liquid inlet are controlled through the flow valve 8, and the turbidity sensor 7 can stably realize turbidity detection. After the detection is finished, the sampling pump 14 is closed, the flow valve 8 and the emptying valve 17 are opened, and the detection sample stored in the display and transmitter module 4 can be discharged through the discharge pipe 6 and the emptying pipeline 16, so that the retention of sewage in the display and transmitter module 4 is reduced, and the pollution to a sensor probe is reduced.

In order to realize remote control, it can be seen from fig. 4 that the display and transmitter module 4 is connected with the signal input circuit of the PLC control cabinet through a signal cable, and is also connected with the power circuit of the PLC control cabinet through a power cable, in order to realize overvoltage protection of the detection circuit, a signal surge protector 12 is connected in series with the signal cable, and a power surge protector 13 is connected in series with the power cable.

As can be seen from fig. 4, the display and transmitter module 4 adopts three-phase power supply, the power cables of the display and transmitter module are L, N, PF three paths respectively, 220V alternating current power is provided, 4-20 mA sensor signals are transmitted on the signal cable, and the signal cable is connected with the turbidity sensor through a cable special for an instrument.

In conclusion, the turbidity detection system for the sewage treatment sedimentation tank provided by the utility model adopts the flowing sampling detection, so that the influence of detection environment can be effectively avoided, the detection precision of the system is improved, the service life is prolonged, and the local and remote real-time online detection can be realized simultaneously.

It will be understood by those skilled in the art that various changes may be made in the details of the above-described embodiments and in the light of the equivalents of the claims to which they are entitled.

Claims (8)

1. The utility model provides a sewage treatment sedimentation tank turbidity detecting system which characterized in that: including detection case (1) and be used for supporting support column (2) of detection case (1), be equipped with transparent observation window (3) on the chamber door of detection case (1), be provided with in the box of detection case (1) and show and changer module (4) the lower extreme of detection case (1) is close to support column (2) are provided with sampling tube (5) and drain pipe (6) respectively, and wherein sampling tube (5) are connected at the feed liquor end of showing and changer module (4), and drain pipe (6) are connected at the drain end of showing and changer module (4), are connected with turbidity sensor (7) on showing and changer module (4) still be provided with flow valve (8) on sampling tube (5).

2. The turbidity detection system of a wastewater treatment sedimentation tank of claim 1, wherein: a box door lock (9) is arranged on the box door of the detection box (1).

3. The turbidity detection system of a wastewater treatment sedimentation tank of claim 1, wherein: the top of detection case (1) is provided with canopy board (10) still be provided with waterproof ventilation window (11) on the lateral wall of detection case (1) near the lower extreme.

4. A sewage treatment sedimentation tank turbidity detection system according to any of claims 1-3, wherein: the display and transmitter module (4) is connected with a signal input loop of the PLC control cabinet through a signal cable, and the display and transmitter module (4) is also connected with a power supply loop of the PLC control cabinet through a power cable.

5. The turbidity detection system of a wastewater treatment sedimentation tank of claim 4, wherein: a signal surge protector (12) is connected in series with the signal cable, and a power supply surge protector (13) is connected in series with the power supply cable.

6. A sewage treatment sedimentation tank turbidity detection system according to any of claims 1-3, wherein: the sampling tube (5) is connected with a sampling pump (14), a liquid inlet pipeline of the sampling pump (14) stretches into the sedimentation tank, and a bottom valve (15) is arranged at the bottom of the liquid inlet pipeline.

7. The turbidity detection system of a wastewater treatment sedimentation tank of claim 6, wherein: the sampling tube (5) is also connected with an emptying pipeline (16), and the emptying pipeline (16) is provided with an emptying valve (17).

8. The turbidity detection system of a wastewater treatment sedimentation tank of claim 1, wherein: the sampling tube (5) and the sample discharging tube (6) are vertically fixed on two sides of the support column (2) through fixing sleeves (18).

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