CN206696269U - A kind of process industrial controls COD on-line computing models - Google Patents
A kind of process industrial controls COD on-line computing models Download PDFInfo
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- CN206696269U CN206696269U CN201720310794.0U CN201720310794U CN206696269U CN 206696269 U CN206696269 U CN 206696269U CN 201720310794 U CN201720310794 U CN 201720310794U CN 206696269 U CN206696269 U CN 206696269U
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- valve
- sealedly connected
- high pressure
- optoelectronic switch
- line computing
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Abstract
A kind of process industrial control COD on-line computing models are the utility model is related to, belong to environmental monitoring technology field.It includes valve, quantitative loop, valve, optoelectronic switch, peristaltic pump, high pressure valve I, high pressure valve II, resolution module；Described valve is sealedly connected with quantitative loop, the first standard specimen part, the second standard specimen part, the 3rd standard specimen part, actual water sample part, performance water sample part, distilled water part, the first reagent device, the second reagent device；Described quantitative loop is sealedly connected with valve；Described valve is sealedly connected with optoelectronic switch, and valve is connected with waste liquid；Described optoelectronic switch is sealedly connected with peristaltic pump, and described peristaltic pump is connected with air；Described high pressure valve I is sealedly connected with resolution module；Described high pressure valve II is sealedly connected with resolution module.The quantitative loop and optoelectronic switch that the utility model is set can accurately quantify required water sample and reagent, and reagent consumption is few, stable, can measure for a long time, and valve is safe and reliable, no abrasion.
Description
Technical field
A kind of process industrial control COD on-line computing models are the utility model is related to, belong to environmental monitoring technology field.
Background technology
The monitoring instrument of the industry is by sampling system, reaction system and control system three parts composition.This project is to close
The COD in water quality（COD）Online automatic monitor, detection method is based on national standard method, including：In water quality
The measure of COD in the measure of COD-potassium dichromate oxidation-AAS (GB11914-89) and water quality-
Rapid-digestion spectrophotometric（HJ/T399-2007）With measure-rapid-digestion spectrophotometric of COD in water quality（HJ/
T399-2007）, we employ precise quantitative technology and sequential injection technology leading in the world, using airtight digestion process,
Reach 175oC high temperature in closed environment, spectrophotometer is combined after resolution, based on Lambert-Beer's law, according to surveyed material
The concentration principle directly proportional to absorbance, ion concentration is converted into COD, can accurately detect COD in water quality
Numerical value.We develop special catalyst and screening agent simultaneously, and both is used in combination with not only effectively improving resolution
Efficiency, and chlorion screening ability can be improved, Cl- can be sheltered<The water sample of 5000mg/L concentration, suitable for high-chloride wastewater
Detection in.The design of the instrument ensure that the degree of accuracy of measurement again so that instrument is easily achieved, and detection range is wide, is not easy by miscellaneous
The interference of matter.This project devises automatically controlling for flow, and automaticity is high, easy to operate.With automatic cleaning, regularly adopt
The multiple functions such as sample, power down protection, it is convenient to realize data remote and remote monitoring.
Current existing COD in-line analyzers volume is big, cumbersome, easy liquid leakage, and the accuracy of measuring is poor.
The content of the invention
The purpose of this utility model is to provide a kind of process industrial control COD on-line computing models, can with long-play,
Science simple to operate, system is stable, and metering is accurate, easy to maintenance, the stable process industrial control COD on-line monitorings of measurement effect
Instrument.
The utility model to achieve these goals, adopts the following technical scheme that：
A kind of process industrial controls COD on-line computing models, and it includes valve, quantitative loop, valve, optoelectronic switch, peristaltic pump, height
Pressure valve I, high pressure valve II, resolution module；
Described valve is sealedly connected with quantitative loop, the first standard specimen part, the second standard specimen part, the 3rd standard specimen part, actual water sample
Part, performance water sample part, distilled water part, the first reagent device, the second reagent device, waste liquid barrel, actual water sample part pass through water pump and valve
Connection；
Described quantitative loop is sealedly connected with valve；
Described valve is sealedly connected with optoelectronic switch, and valve is connected with waste liquid；
Described optoelectronic switch is sealedly connected with peristaltic pump, and described peristaltic pump is connected with air；
Described high pressure valve I is sealedly connected with resolution module；
Described high pressure valve II is sealedly connected with resolution module.
Further, the on-line computing model also includes data processor, data processor and LCD keyboards, contact input
Module, contact output module, signal output module, USB holders, recorder or printer.
Further, the on-line computing model, which also includes, receives photoelectric tube and light emitting diode, the reception photoelectric tube
It is connected with data processor.
Wherein all reagents and water sample are added after all measuring in resolution module, by starting to measure after heating resolution, are exported
As a result.
The beneficial effects of the utility model：
The quantitative loop and optoelectronic switch that the utility model is set can accurately quantify required water sample and reagent, reagent consumption
It is few, it is stable, it can measure for a long time, valve is safe and reliable, no abrasion.It is more stable efficient using PLC as control.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
1 pair of the utility model is described in detail below in conjunction with the accompanying drawings：
A kind of process industrial controls COD on-line computing models, and it includes valve 1, quantitative loop 2, valve 3, optoelectronic switch 4, wriggling
Pump 5, high pressure valve I 6, high pressure valve II 7, resolution module 8；
Described valve 1 be sealedly connected with quantitative loop 2, the first standard specimen part 11, the second standard specimen part 12, the 3rd standard specimen part 13,
Actual water sample part 14, performance water sample part 15, distilled water part 16, the first reagent device 17, the second reagent device 18, waste liquid barrel 20 are actual
Water sample part 14 is connected by water pump 19 with valve 1；
Described quantitative loop 2 is sealedly connected with valve 3；
Described valve 3 is sealedly connected with optoelectronic switch 4, and valve 3 is connected with waste liquid；
Described optoelectronic switch 4 is sealedly connected with peristaltic pump 5, and described peristaltic pump 5 is connected with air；
Described high pressure valve I 6 is sealedly connected with resolution module 8；
Described high pressure valve II 7 is sealedly connected with resolution module 8.
The on-line computing model also includes data processor 21, data processor 21 and LCD keyboards 22, contact input module
23rd, contact output module 24, signal output module 25, USB holders 26, recorder or printer 27.
The on-line computing model, which also includes, receives photoelectric tube 28 and light emitting diode 29, the reception photoelectric tube 28 and data
Processor 21 connects.
Wherein all reagents and water sample are added after all measuring in resolution module, by starting to measure after heating resolution, are exported
As a result.
Claims (3)
1. a kind of process industrial controls COD on-line computing models, it is characterised in that：It includes valve（1）, quantitative loop（2）, valve（3）、
Optoelectronic switch（4）, peristaltic pump（5）, high pressure valve I（6）, high pressure valve II（7）, resolution module（8）；
Described valve（1）It is sealedly connected with quantitative loop（2）, the first standard specimen part（11）, the second standard specimen part（12）, the 3rd standard specimen part
（13）, actual water sample part（14）, performance water sample part（15）, distilled water part（16）, the first reagent device（17）, the second reagent device
（18）, waste liquid barrel（20）, actual water sample part（14）Pass through water pump（19）With valve（1）Connection；
Described quantitative loop（2）It is sealedly connected with valve（3）；
Described valve（3）It is sealedly connected with optoelectronic switch（4）, and valve（3）It is connected with waste liquid；
Described optoelectronic switch（4）It is sealedly connected with peristaltic pump（5）, described peristaltic pump（5）It is connected with air；
Described high pressure valve I（6）It is sealedly connected with resolution module（8）；
Described high pressure valve II（7）It is sealedly connected with resolution module（8）.
2. process industrial according to claim 1 controls COD on-line computing models, it is characterised in that：The on-line computing model is also
Include data processor（21）, data processor（21）With LCD keyboards（22）, contact input module（23）, contact output mould
Block（24）, signal output module（25）, USB holders（26）, recorder or printer（27）.
3. process industrial according to claim 1 controls COD on-line computing models, it is characterised in that：The on-line computing model is also
Include reception photoelectric tube（28）And light emitting diode（29）, the reception photoelectric tube（28）With data processor（21）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720310794.0U CN206696269U (en) | 2017-03-28 | 2017-03-28 | A kind of process industrial controls COD on-line computing models |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720310794.0U CN206696269U (en) | 2017-03-28 | 2017-03-28 | A kind of process industrial controls COD on-line computing models |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696269U true CN206696269U (en) | 2017-12-01 |
Family
ID=60438322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720310794.0U Expired - Fee Related CN206696269U (en) | 2017-03-28 | 2017-03-28 | A kind of process industrial controls COD on-line computing models |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029955A (en) * | 2021-03-29 | 2021-06-25 | 江苏省环境监测中心 | Multichannel multithreading CODcr measurement system |
| CN118191221A (en) * | 2024-05-20 | 2024-06-14 | 中国科学院烟台海岸带研究所 | Seawater chemical oxygen demand detection system and detection method |
-
2017
- 2017-03-28 CN CN201720310794.0U patent/CN206696269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029955A (en) * | 2021-03-29 | 2021-06-25 | 江苏省环境监测中心 | Multichannel multithreading CODcr measurement system |
| CN118191221A (en) * | 2024-05-20 | 2024-06-14 | 中国科学院烟台海岸带研究所 | Seawater chemical oxygen demand detection system and detection method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |