CN218824335U

CN218824335U - Pretreatment intelligent switching device with turbidity auto-induction

Info

Publication number: CN218824335U
Application number: CN202223004881.3U
Authority: CN
Inventors: 徐国胜
Original assignee: Guangzhou Thankung Environment Technology Co ltd
Current assignee: Guangzhou Thankung Environment Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-07
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a pretreatment intelligent switching device with automatic turbidity induction, which relates to the technical field of automatic water quality monitoring; a common filter plate, an encryption filter plate and a turbidity sensor I are fixedly arranged in the grit chamber, an encryption filtering electromagnetic valve and a common filtering electromagnetic valve are respectively arranged on water pipes communicated with the upper ends of the encryption filter plate and the common filter plate, the water pipes at the upper ends of the encryption filtering electromagnetic valve and the common filtering electromagnetic valve are combined through a tee joint and then are respectively communicated with an infusion peristaltic pump, a cleaning water valve and a compressed air valve, the infusion peristaltic pump is communicated with a sample cup through a water pipe, a turbidity sensor II is fixedly arranged in the sample cup, and an analyzer sample inlet pipe is fixedly arranged on the side wall of the sample cup; the automatic turbidity-control water analyzer works by automatically switching different filter plates through the controller, ensures that the turbidity of filtered sample water is within the required range of the analyzer, and can effectively overcome the defects of high turbidity shutdown, large workload and the like caused by the original working mode.

Description

Pretreatment intelligent switching device with turbidity auto-induction

Technical Field

The utility model belongs to the technical field of quality of water automatic monitoring, concretely relates to preliminary treatment intelligent switching device with turbidity auto-induction.

Background

In quality of water automatic monitoring station, the system composition is including the sampling unit, the preprocessing unit, the analysis appearance unit, the control unit and auxiliary unit (pure water system, cleaning system, lightning protection unit, add medicine unit etc.), wherein the preprocessing unit filters the raw water of gathering, filterable specification is according to the design of the actual need pertinence of analysis appearance, filterable purpose reduces the water sample turbidity to satisfying the needs that the analysis appearance measured, guarantee promptly that impurity such as sand grain does not get into the analysis appearance and influence the measurement, will guarantee again the representativeness of the water sample after filtering.

Then, the water is not invariable, especially in different seasons, especially when the summer rainwater is many, the turbidity can rise suddenly, leads to filtering failure, and high turbidity water sample gets into the analysis appearance, not only leads to the analysis appearance to measure inaccurate, sometimes can damage the precision measurement part of analysis appearance.

At present, before heavy rain comes, the turbidity is judged to be increased sharply according to experience, and an automatic monitoring system is closed in advance to protect an analyzer. This approach has the following disadvantages:

firstly, the method comprises the following steps: in places with much rainwater, frequent shutdown can affect the stability of the system after restarting, resulting in more invalid data;

II, secondly: according to the national standard, each time the computer is restarted, the performance test and the accuracy check of the system and the analyzer are required; a large amount of manpower and material resources are consumed.

Thirdly, the method comprises the following steps: more importantly, the automatic water quality monitoring station stops to protect the instrument and equipment in heavy rain, so that the monitoring function of the automatic water quality monitoring station is lost, and the monitoring of pollutant emission in the period is missed.

SUMMERY OF THE UTILITY MODEL

For solving prior art's defect and not enough problem, the utility model aims to provide a simple structure, reasonable in design, convenient to use's preliminary treatment intelligence auto-induction that has turbidity auto-induction auto-switching device, it carries out work through the different filter of controller automatic switch-over, has guaranteed the turbidity of the sample water after the filtration and in the requirement scope of analysis appearance, can effectively solve the drawback such as bringing down because of high turbidity shut down, work load is big under the original working method.

In order to achieve the purpose, the utility model adopts the technical proposal that: the device comprises a grit chamber, a common filter plate, an encryption filter plate, a turbidity sensor I, an encryption filter solenoid valve, a common filter solenoid valve, an infusion peristaltic pump, a sample cup, a turbidity sensor II, an analyzer sample inlet pipe, a cleaning water valve and a compressed air valve; fixed mounting has filter commonly used, encryption filter and turbidity sensor one in the grit chamber, with encrypt filter and install encryption filter solenoid valve commonly used and filter solenoid valve commonly used on the water pipe of filter upper end intercommunication respectively, encrypt the water pipe of filtering solenoid valve and filtering solenoid valve commonly used and pass through the tee bend and merge the back, keep the intercommunication with infusion peristaltic pump, washing water valve and compressed air valve respectively, the infusion peristaltic pump leads to pipe and sample cup keeps the intercommunication, fixed mounting has turbidity sensor two in the sample cup, the lateral wall fixed mounting of sample cup has the analysis appearance to advance the appearance pipe.

Preferably, the turbidity sensor I, the encryption filtering electromagnetic valve, the common filtering electromagnetic valve, the infusion peristaltic pump, the turbidity sensor II, the cleaning water valve and the compressed air valve are electrically connected with an external controller.

Preferably, the common filter plate and the encryption filter plate are barrel-shaped structures formed by screen plates, and the openings at the upper ends of the common filter plate and the encryption filter plate are respectively connected with the common filtering electromagnetic valve and the encryption filtering electromagnetic valve through water pipes.

Preferably, the bottoms of the grit chamber and the sample cup are provided with drain pipes, and the drain pipes are provided with control valves.

Preferably, the analyzer sample inlet pipe is communicated with the analyzer, and a control valve is arranged on the analyzer sample inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install turbidity sensor additional at grit chamber and appearance water cup, control program is predetermine to rethread control system, after the water turbidity risees certain limit value, when original preliminary treatment has can not satisfy filtration back water sample measuring requirement, automatic switch-over to encrypting filter work, the switching back, guaranteed the turbidity of the appearance water after the filtration in the requirement range of analysis appearance, can effectively solve the drawback such as bring down because of high turbidity shut down, work load is big under the original working method.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a grit chamber 1, a common filter plate 2, an encryption filter plate 3, a turbidity sensor I4, an encryption filtering electromagnetic valve 5, a common filtering electromagnetic valve 6, an infusion peristaltic pump 7, a sample cup 8, a turbidity sensor II 9, an analyzer sample inlet pipe 10, a cleaning water valve 11 and a compressed air valve 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the device comprises a grit chamber 1, a common filter plate 2, an encryption filter plate 3, a turbidity sensor I4, an encryption filtering electromagnetic valve 5, a common filtering electromagnetic valve 6, a transfusion peristaltic pump 7, a sample cup 8, a turbidity sensor II 9, an analyzer sample inlet pipe 10, a cleaning water valve 11 and a compressed air valve 12; the utility model discloses a sand basin, including grit chamber 1, fixed mounting have filter 2 commonly used, encrypt filter 3 and turbidity sensor 4, with encrypt filter 3 and install respectively on the water pipe of 2 upper ends intercommunications of filter commonly used and encrypt filter solenoid valve 5 and filter solenoid valve 6 commonly used, encrypt the water pipe of filtering solenoid valve 5 and filtering solenoid valve 6 upper ends commonly used and merge the back through the tee bend, keep the intercommunication with infusion peristaltic pump 7, washing water valve 11 and compressed air valve 12 respectively, infusion peristaltic pump 7 leads to pipe and sample cup 8 and keeps the intercommunication, fixed mounting has turbidity sensor two 9 in the sample cup 8, the lateral wall fixed mounting of sample cup 8 has the analysis appearance to advance appearance pipe 10.

Further, the turbidity sensor I4, the encryption filtering electromagnetic valve 5, the common filtering electromagnetic valve 6, the infusion peristaltic pump 7, the turbidity sensor II 9, the cleaning water valve 11 and the compressed air valve 12 are electrically connected with an external controller; the bottoms of the grit chamber 1 and the sample cup 8 are provided with drain pipes, and the drain pipes are provided with control valves; the analyzer sample inlet pipe 10 is communicated with an analyzer, and a control valve is installed on the analyzer sample inlet pipe 10.

Further, commonly used filter 2 and encryption filter 3 are the tubbiness structure that the otter board constitutes, and the opening lead pipe of commonly used filter 2 and encryption filter 3 upper end is connected with filtering solenoid valve 6 commonly used and encryption filtering solenoid valve 5 respectively.

The working principle of the specific embodiment is as follows: under the usual situation, adopt the work of commonly used filter 2, when turbidity rises to the limit value of settlement (usually 300 NTU) when turbidity sensor 4 measures in the grit chamber, realize the switching through software program instruction diverter valve, originally, filter solenoid valve 6 is opened commonly used, encryption filter solenoid valve 5 closes, after the switching, encryption filter solenoid valve 5 opens, filter solenoid valve 6 is closed commonly used, infusion peristaltic pump 7 rotates work and just begins to filter the sampling, adopt encryption filter 3 to filter, make the sample turbidity (be not more than 6 NTU) after the filtration in the allowed range of analysis appearance, simultaneously, two measured values of turbidity sensor are under 6NTU in the sample cup, satisfy normal measurement requirement.

After the encryption filter plate is adopted, mud is easier to attach to the surface of the filter plate, so that the back cleaning force of the cleaning water valve 11 on the filter plate is increased, the frequency is increased, the back flushing pressure of the compressed air valve 12 is increased, and the normal work is ensured. The back washing comprises the following working steps: after filtering the sampling and accomplishing, the infusion peristaltic pump stops, wash water valve 11 and compressed air valve 12 and open simultaneously, tap water and highly-compressed air just inject into the pipeline, after filtering solenoid valve 5 through encryption, wash water and highly-compressed air from encrypting filter 3 inside to outside shooting out, and then wash the mud attached to the filter outside, this work flow encrypts the frequency, original conventional during operation is that wash 1 time per week, switch into after encrypting the filtration, set for and wash 3 times per cycle, so both guaranteed the normal work of analysis appearance, can not block the filter because of encrypting again.

The utility model discloses an at grit chamber and appearance water cup install turbidity sensor additional, control procedure is predetermine to rethread control system, after the water turbidity risees certain limit value, when original preliminary treatment can not satisfy filtration back water sample measurement requirement, automatic switch-over to encrypting filter work, switch the back, guaranteed the turbidity of the appearance water after the filtration in the requirement range of analysis appearance, can effectively solve the drawback such as bringing because of high turbidity shut down, work load is big under the original working method.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a preliminary treatment intelligence auto-change over device with turbidity auto-induction which characterized in that: the device comprises a grit chamber (1), a common filter plate (2), an encryption filter plate (3), a turbidity sensor I (4), an encryption filtering electromagnetic valve (5), a common filtering electromagnetic valve (6), an infusion peristaltic pump (7), a sample cup (8), a turbidity sensor II (9), an analyzer sample inlet pipe (10), a cleaning water valve (11) and a compressed air valve (12); the device is characterized in that a common filter plate (2), an encryption filter plate (3) and a turbidity sensor (4) are fixedly mounted in the grit chamber (1), the encryption filter plate (3) and a common filter electromagnetic valve (6) are mounted on a water pipe communicated with the upper end of the common filter plate (2) respectively, the encryption filter electromagnetic valve (5) and the common filter electromagnetic valve (6) are combined through a tee joint and then are respectively communicated with an infusion peristaltic pump (7), a cleaning water valve (11) and a compressed air valve (12), the infusion peristaltic pump (7) is communicated with a sample cup (8) through a water pipe, a turbidity sensor two (9) is fixedly mounted in the sample cup (8), and an analyzer sample inlet pipe (10) is fixedly mounted on the side wall of the sample cup (8).

2. The intelligent switching device for pretreatment with automatic turbidity sensing according to claim 1, wherein: the turbidity sensor I (4), the encryption filtering electromagnetic valve (5), the common filtering electromagnetic valve (6), the infusion peristaltic pump (7), the turbidity sensor II (9), the cleaning water valve (11) and the compressed air valve (12) are all electrically connected with an external controller.

3. The intelligent switching device for pretreatment with automatic turbidity sensing according to claim 1, wherein: the common filter plate (2) and the encryption filter plate (3) are barrel-shaped structures formed by screen plates, and the openings at the upper ends of the common filter plate (2) and the encryption filter plate (3) are respectively connected with the common filter electromagnetic valve (6) and the encryption filter electromagnetic valve (5) through water pipes.

4. The intelligent switching device for pretreatment with automatic turbidity sensing according to claim 1, wherein: the bottom of the grit chamber (1) and the bottom of the sample cup (8) are both provided with drain pipes, and the drain pipes are provided with control valves.

5. The intelligent switching device for pretreatment with automatic turbidity sensing according to claim 1, wherein: the analyzer sample inlet pipe (10) is communicated with the analyzer, and the analyzer sample inlet pipe (10) is provided with a control valve.