High-concentration COD (Chemical Oxygen Demand) online automatic acquisition and detection device

Abstract

A high-concentration COD on-line automatic collection and detection device comprises a water supplementing device, an on-line detection barrel, a sampling mechanism, a discharge valve, a discharge outlet and a PLC, the water supplementing device is connected with one end of the on-line detection barrel, the sampling mechanism is connected with the other end of the on-line detection barrel, the discharge valve is connected with the bottom of the on-line detection barrel through a pipeline, and the discharge outlet is connected with the PLC. The discharge port is connected with the discharge valve and the sampling mechanism through pipelines, and the PLC is connected with the water replenishing device, the online detection barrel, the sampling mechanism and the discharge valve. Wherein the sampling mechanism comprises a sampling valve, a sampling pump, a sampling port and a sampling drain valve. Compared with the prior art, by additionally arranging the automatic sampling mechanism and the online detection barrel, on-site collection and detection of high-concentration quintessence COD in a workshop are achieved, on-site data are visually displayed and controlled in real time, the automatic sewage treatment efficiency is improved, the operation cost is reduced, and the risk of environmental pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely relates to a high concentration COD on -line automatic acquisition detection device. BACKGROUND

[0002] The original detection pool wastewater is all manual sampling and carries out COD detection, and then adjusts medicament or operation mode according to data, but this will waste the advanced nature and timeliness of automatic facility, so how can solve fast COD detection, and the detection range of the automatic COD detector commonly used is also within 1000, and the water quality requirement of detection is also high, and the time is also relatively long, and the operation cost is also high.

[0003] In order to solve the above problems, we make a series of improvements. CONTENT OF UTILITY MODEL

[0004] The utility model is provided with a high concentration COD on -line automatic acquisition detection device to overcome the above-mentioned shortcomings and deficiencies of prior art.

[0005] A high concentration COD on -line automatic acquisition detection device, including: water supply device, on -line detection bucket, sampling mechanism, discharge valve, discharge port and PLC controller, water supply device is connected with on -line detection bucket one end, sampling mechanism is connected with on -line detection bucket the other end, the discharge valve is connected with on -line detection bucket bottom through the pipeline, the discharge port is connected with discharge valve and sampling mechanism through the pipeline, the PLC controller is connected with water supply device, on -line detection bucket, sampling mechanism and discharge valve;

[0006] Among them, the sampling mechanism includes: sampling valve, sampling pump, sampling port and sampling drain valve, the sampling valve is connected with on -line detection bucket, one end of the sampling pump is connected with the sampling valve through the pipeline, the other end of the sampling pump is connected with the sampling port through the pipeline, the sampling port is connected with the sewage source, one end of the sampling drain valve is connected with the sampling valve and the sampling pump intermediate pipeline, the other end of the sampling drain valve is connected with the discharge port through the pipeline.

[0007] Further, the water supply device includes: water supply pipe and water supply valve, one end of the water supply pipe is connected with the water source, the other end of the water supply pipe is connected with the water supply valve, the water supply valve is connected with on -line detection bucket.

[0008] Further, the on -line detection bucket is equipped with stirring pump, COD detection probe and liquid level sensor, and the stirring pump, COD detection probe and liquid level sensor are connected with the inside of on -line detection bucket.

[0009] The utility model has the advantages of the following:

[0010] Compared with the prior art, the automatic sampling mechanism and the online detection barrel are additionally arranged, the on-site collection and detection of high-concentration essence COD in a workshop are realized, the data on site are intuitively and real-timely displayed and controlled, the automatic sewage treatment efficiency is improved, the operation cost is reduced, and the risk of environmental pollution is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model.

[0012] Reference signs:

[0013] The water replenishing device 100, the water replenishing pipe 110 and the water replenishing valve 120.

[0014] The online detection barrel 200, the stirring pump 210, the COD detection probe 220 and the liquid level sensor 230.

[0015] The sampling mechanism 300, the sampling valve 310, the sampling pump 320, the sampling port 330 and the sampling drainage valve 340.

[0016] The discharge valve 400, the discharge port 500 and the PLC controller 600. DETAILED DESCRIPTION

[0017] The utility model will be further explained in connection with specific implementation examples. It should be understood that the following examples are only used for explaining the utility model and are not used for limiting the range of the utility model.

[0018] Example 1

[0019] Figure 1 It is a structural schematic view of the utility model.

[0020] As Figure 1 Indicated, a kind of high-concentration COD online automatic collection detection device, comprising: water replenishing device 100, online detection barrel 200, sampling mechanism 300, discharge valve 400, discharge port 500 and PLC controller 600, water replenishing device 100 is connected with online detection barrel 200 one end, sampling mechanism 300 is connected with online detection barrel 200 other end, discharge valve 400 is connected with online detection barrel 200 bottom by pipeline, discharge port 500 is connected with discharge valve 400 and sampling mechanism 300 by pipeline, PLC controller 600 is connected with water replenishing device 100, online detection barrel 200, sampling mechanism 300 and discharge valve 400;

[0021] The sampling mechanism 300 comprises a sampling valve 310, a sampling pump 320, a sampling port 330 and a sampling drain valve 340, the sampling valve 310 is connected with the online detection barrel 200, one end of the sampling pump 320 is connected with the sampling valve 310 through a pipeline, the other end of the sampling pump 320 is connected with the sampling port 330 through a pipeline, the sampling port 330 is connected with a sewage source, one end of the sampling drain valve 340 is connected with the intermediate pipeline of the sampling valve 310 and the sampling pump 320, and the other end of the sampling drain valve 340 is connected with the discharge port 500 through a pipeline.

[0022] The water replenishing device 100 comprises a water replenishing pipe 110 and a water replenishing valve 120, one end of the water replenishing pipe 110 is connected with a clean water source, the other end of the water replenishing pipe 110 is connected with the water replenishing valve 120, and the water replenishing valve 120 is connected with the online detection barrel 200.

[0023] The online detection barrel 200 is provided with a stirring pump 210, a COD detection probe 220 and a liquid level sensor 230, and the stirring pump 210, the COD detection probe 220 and the liquid level sensor 230 are connected with the inside of the online detection barrel 200.

[0024] The use principle of the utility model is: first, the online detection barrel 200 is emptied, after being emptied, the water replenishing valve 120 is opened, water replenishing is carried out in the online detection barrel 200 through the water replenishing pipe 110, the stirring pump 210 is operated and the COD detection probe 220 in the barrel is cleaned, the cleanliness of the COD detection probe 220 is guaranteed, after cleaning, the discharge valve 400 is opened, and the water for cleaning in the barrel is discharged, then the water replenishing valve 120 is opened again, municipal clean water is replenished, and clean water COD detection is carried out, the COD detection probe 220 is calibrated, after calibration, the sampling valve 310 is opened, the sampling pump 320 starts to work, sewage is transported into the barrel, the stirring pump 210 is opened and diluted to a preset concentration, after dilution, COD detection of the sewage is carried out, and the detection value is outputted online, after detection, the sampling drain valve 340 is opened, and the detection water is discharged, according to the characteristics of the COD detection probe 220, municipal water is replenished into the barrel, the COD detection probe 220 is kept in clean water, and the next detection is waited for.

[0025] The specific implementation manners of the utility model are described above, but the utility model is not limited to this, as long as the purpose of the utility model is not deviated, the utility model can also have various changes.

Claims

1. A high-concentration COD on-line automatic sampling and detecting device, characterized in that, It includes: The water supplement device (100) is connected with one end of the online detection barrel (200), the sampling mechanism (300) is connected with the other end of the online detection barrel (200), the discharge valve (400) is connected with the bottom of the online detection barrel (200) through a pipeline, the discharge port (500) is connected with the discharge valve (400) and the sampling mechanism (300) through a pipeline, and the PLC controller (600) is connected with the water supplement device (100), the online detection barrel (200), the sampling mechanism (300) and the discharge valve (400); The sampling mechanism (300) includes a sampling valve (310), a sampling pump (320), a sampling port (330) and a sampling drain valve (340), the sampling valve (310) is connected with the online detection barrel (200), one end of the sampling pump (320) is connected with the sampling valve (310) through a pipeline, the other end of the sampling pump (320) is connected with the sampling port (330) through a pipeline, the sampling port (330) is connected with a sewage source, one end of the sampling drain valve (340) is connected with the intermediate pipeline of the sampling valve (310) and the sampling pump (320), and the other end of the sampling drain valve (340) is connected with the discharge port (500) through a pipeline.

2. The high-concentration COD on-line automatic sampling and detecting device according to claim 1, characterized in that, The water supplement device (100) includes a water supplement pipe (110) and a water supplement valve (120), one end of the water supplement pipe (110) is connected with a clean water source, the other end of the water supplement pipe (110) is connected with the water supplement valve (120), and the water supplement valve (120) is connected with the online detection barrel (200).

3. The high-concentration COD on-line automatic sampling and detecting device according to claim 1, characterized in that, The online detection barrel (200) is provided with a stirring pump (210), a COD detection probe (220) and a liquid level sensor (230), and the stirring pump (210), the COD detection probe (220) and the liquid level sensor (230) are connected with the inside of the online detection barrel (200).

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