CN204924952U - Online water quality analyzer ware of chemical oxygen demand - Google Patents
Online water quality analyzer ware of chemical oxygen demand Download PDFInfo
- Publication number
- CN204924952U CN204924952U CN201520620278.9U CN201520620278U CN204924952U CN 204924952 U CN204924952 U CN 204924952U CN 201520620278 U CN201520620278 U CN 201520620278U CN 204924952 U CN204924952 U CN 204924952U
- Authority
- CN
- China
- Prior art keywords
- analysis
- pump
- pipeline
- oxygen demand
- chemical oxygen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses an online water quality analyzer ware of chemical oxygen demand, including the shell, the chemical analysis storehouse of setting in the shell and the controlling means who is used for controlling the subassembly work of chemical analysis storehouse, include analysis module, pipeline, sample presentation pump, reagent pump, condensing equipment, temperature control device and the heating device who clears up the pond, contains analysis pond and detection device in the chemical analysis storehouse, detection device is used for the reaction condition in the detection and analysis pond, condensing equipment includes cooling tube, condensing reflux pipe and cooling water pump, heating device is used for the heating to clear up the pond, temperature control device is used for control to clear up the temperature of clearing up in the pond. The utility model discloses online water quality analyzer ware of chemical oxygen demand analysis procedure is reliable, and each fluid pipeline mutual independence avoids cross interference, open programming platform can be according to the different analysis flow of user's needs establishment, modularized design, reduction maintenance volume, compact design, saving space.
Description
Technical field:
The utility model belongs to sewage monitoring device technical field, relates to a kind of chemical oxygen demand (COD) online water analysis instrument.
Background technology
COD chemically measures in water sample the amount needing oxidized reducing substances.In waste water, wastewater treatment plant effluent and contaminated water, the oxygen equivalent of the material (being generally organism) that can be oxidized by strong oxidizer.In the operational management of stream pollution and industrial waste water Quality Research and waste water treatment plant, it is important and can comparatively fast measure an Organic Pollution parameter, often represents with symbol COD.
Along with the enforcement of China's environmental emissions overall control policy, to the measure and calculation of industrial waste water COD total emission volumn index become in the urgent need to.
Traditional chemical oxygen demand analyser device can not meet industry spot environment for use, can only be applied in laboratory and clear up with analytic process separate, reliability is low, operation inconvenience.Analytic process is pre-set, is not easy to field modification.Analytical calculation adopts 2 point calibration curves, the linearity and actual water quality to have relatively large deviation.
Utility model content
For solving the problem, the utility model provides a kind of chemical oxygen demand (COD) online water analysis instrument, comprise shell, arrange chemical analysis storehouse in the enclosure and the control device for control chemical analysis storehouse component operation, described chemical analysis storehouse comprises digestion pool, analysis module, pipeline, sample presentation pump, reagent pump, condensing unit, temperature control equipment and heating arrangement containing analysis cell and pick-up unit; Described pick-up unit is for detecting the response situation in analysis cell; Described condensing unit comprises cooling tube, condensing reflux pipe and cooling-water pump; Described heating arrangement is used for heating and decompose pond, and described temperature control equipment is for controlling the digestion condition in digestion pool, and described sample presentation pump is connected with analysis cell with digestion pool respectively by pipeline; Described reagent pump is connected with analysis cell with digestion pool respectively by pipeline; Described condensing reflux pipe is connected with cooling-water pump respectively with the condensation water inlet of cooling tube, and condensation of water mouth is all connected with external refrigeration tank; The lower port of described cooling tube is connected with analysis cell, and upper port is connected with sample presentation pump; The upper port of described condensing reflux pipe communicates with air; Lower port is connected with digestion pool.。
Described analysis module also comprises the stirrer be arranged in analysis cell and stirs with control stirrer, is positioned at the stirring motor below analysis cell; Described pick-up unit comprises full wavelength light source, light filter and photometer sensor; Described full wavelength light source is fixed in analysis module, and described photometer sensor is relative with the position of described full wavelength light source, lays respectively at analysis cell both sides, and described light filter is arranged between full wavelength light source and analysis cell.
Described analytical instrument of water quality also comprises the drain pump be connected with analysis cell with digestion pool respectively by pipeline.
Described analytical instrument of water quality also comprises the blower pump be connected with digestion pool by pipeline.
Described analytical instrument of water quality is also comprised the cleaning peristaltic pump that is connected with analysis cell by pipeline and weighs peristaltic pump.
Described analytical instrument of water quality also comprises the mini air pump being arranged on and connecting on sample presentation pump and digestion pool pipeline.
Described heating arrangement comprises and is arranged on quartz heating-pipe in digestion pool and is wrapped in heating wire on digestion pool.
Described temperature control equipment comprises the temperature sensor be arranged in digestion pool.
Described control device comprises controller, the touch-screen be connected with controller, driver, stepper motor, relay, lead terminal, electric wire, plug connector, communication cable, data-interface and button.
Described control device also comprises and is arranged on pipeline handover module in controller and signal acquisition module; Described pipeline handover module is used for the switching between pipeline; Described signal acquisition module for gathering the absorbance signal in described photometer sensor, and by signal being delivered in controller after AD conversion.
After adopting such structure, described condensing reflux pipe is used for the water vapor condensation backflow will produced after sample heating, prevents because evaporation causes sample concentration to concentrate.
Described digestion pool is for the glass container by sample heating and decompose.
Described cooling tube is used for the sample after heating and decompose to be cooled to analyzable temperature.
Described full wavelength light source uses for the floor light detecting absorbance, provides analysis light source.
Being transported to analysis cell by the sample through clearing up by sample presentation pump, instilling analytical reagent here, then stirring, by full wavelength light source, light filter and sensor after stable reaction, detect the intensity of variation of solution colour.
Described analysis module is used for fixing analysis cell, and Lower Hold installs stirring motor, drives the stirring magnet in analysis cell to rotate.
Described light filter is used for full wavelength light source to filter, and only gets the light of specific wavelength.
Described photometer sensor is for detecting the degree of color change in analysis cell
Described reagent pump is with the accurate reagent adding of constant flow rate.
Sample is extracted into digestion pool from outer samples pond by described sample presentation pump.
Described sample presentation pump has two functions, and 1, sample is extracted into digestion pool from outer samples pond; 2, analysis sample is extracted in analysis cell from digestion pool; Two functions block by solenoid valve and switch.
Described mini air pump connects outside atmosphere and is used for the remaining liq in sample introduction pipeline to discharge, and prevents liquid from stopping breed bacteria for a long time.
Liquid in analysis cell is drained by described drain pump fast.
Described cleaning peristaltic pump is used for deionized water to be extracted in analysis cell, cleaning analysis cell.
Described measurement peristaltic pump is used for the sample amounts in analysis cell, is drained by unnecessary sample.
By the programming to controller, realize the analytic process of system.User can check the working condition of system by touch-screen and set analytical parameters and systematic parameter.System is provided with data-interface and control knob, in order to stopping and the startup of transimiison analysis data and opertaing device.
Described chemical oxygen demand (COD) online analytical instrument can effectively overcome the above problems.
1, anticorrosion high closeness tank material, attractive and durable, can be applicable in the rugged surroundings such as open air.
2, full-automatic digestion device, be integrated in analytical instrument.Have temperature protection function, automatically sample according to design temperature and clear up, overall process is reliable and stable.Be furnished with condensation reflux unit and auto-cool system.
3, open analysis programming platform, can carry out manual setting to the analytic process of analytical instrument, easy to use.
4, Supplements curve, can carry out automatic analysis to disturbing factors different in water sample, and draws the model curve be applicable to.
5, automatical analysis process, uploads result automatically, and without the need to personnel's post, reagent need change automatic detection, and leakage is reported to the police.
6, reagent consumption is low, reduces maintenance, increases economic efficiency.
Accompanying drawing illustrates:
Further illustrate below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the utility model chemical oxygen demand (COD) online water analysis instrument.
Fig. 2 is the annexation schematic diagram of the utility model chemical oxygen demand (COD) online water analysis instrumentation Epidemiological Analysis storehouse assembly.
Embodiment
As shown in Figure 1 with Figure 2: a kind of chemical oxygen demand (COD) online water analysis instrument, comprise shell 20, be arranged on the chemical analysis storehouse 21 in shell 20 and the control device for control chemical analysis storehouse 21 component operation, described chemical analysis storehouse 21 comprises digestion pool 8, analysis module 7, pipeline, sample presentation pump 12, reagent pump 14, condensing unit, temperature control equipment 25 and heating arrangement 26 containing analysis cell 6 and pick-up unit; Described pick-up unit is for detecting the response situation in analysis cell 6; Described condensing unit comprises cooling tube 10, condensing reflux pipe 9 and cooling-water pump 13; Described heating arrangement 26 is for heating and decompose pond 8, and described temperature control equipment 25 is for controlling the digestion condition in digestion pool 8, and described sample presentation pump 12 is connected with analysis cell 6 with digestion pool 8 respectively by pipeline; Described reagent pump 14 is connected with analysis cell 6 with digestion pool 8 respectively by pipeline; Described condensing reflux pipe 9 is connected with cooling-water pump 13 respectively with the condensation water inlet of cooling tube 10, and condensation of water mouth is all connected with external refrigeration tank; The lower port of described cooling tube 10 is connected with analysis cell 6, and upper port is connected with sample presentation pump 12; The upper port of described condensing reflux pipe 9 communicates with air; Lower port is connected with digestion pool 8.。
Described analysis module 7 also comprises the stirrer be arranged in analysis cell 6 and stirs with control stirrer, is positioned at the stirring motor below analysis cell 6; Described pick-up unit comprises full wavelength light source 5, light filter 4 and photometer sensor 3; Described full wavelength light source 5 is fixed in analysis module 7, and described photometer sensor 3 is relative with the position of described full wavelength light source 5, lays respectively at analysis cell 6 both sides, and described light filter 4 is arranged between full wavelength light source 5 and analysis cell 6.
Described analytical instrument of water quality also comprises the drain pump 16 be connected with analysis cell 6 with digestion pool 8 respectively by pipeline.
Described analytical instrument of water quality also comprises the blower pump 11 be connected with digestion pool 8 by pipeline.
Described analytical instrument of water quality is also comprised the cleaning peristaltic pump 15 that is connected with analysis cell 6 by pipeline and weighs peristaltic pump 17.
Described analytical instrument of water quality also comprises the mini air pump 18 being arranged on and connecting on sample presentation pump 12 and digestion pool 8 pipeline.
Described heating arrangement 26 comprises and is arranged on quartz heating-pipe in digestion pool 8 and is wrapped in heating wire on digestion pool 8.
Described temperature control equipment 25 comprises the temperature sensor be arranged in digestion pool 8.
Described control device comprises controller, the touch-screen be connected with controller, driver, stepper motor, relay, lead terminal, electric wire, plug connector, communication cable, data-interface and button.
Described control device also comprises and is arranged on pipeline handover module in controller and signal acquisition module; Described pipeline handover module is used for the switching between pipeline; Described signal acquisition module for gathering the absorbance signal in described photometer sensor, and by signal being delivered in controller after AD conversion.
The utility model chemical oxygen demand (COD) online water analysis instrument course of work is as follows:
Water sample is delivered in sampling sink by on-the-spot self-priming pump by water sample, detects sample temperature, flow velocity and volume by ultrasonic flow meter, filters particle in sample and suspended impurity by filtrator.
With sample presentation pump, sample is delivered in digestion pool, allows sample fully contact with analysis pool wall, residual water stain to remove on wall of cup, reach cleaning object, prevent Sample Dilution to pollute, with drain pump by first time sample introduction liquid drain; Sample presentation pump starts second time conveying sample liquids to analysis cell.
Inject in digestion pool with reagent pump slowly and clear up required reagent, to need in whole process by blower pump, to air-blowing in digestion pool, to make water sample and reagent fully mix and react.
To the dropping in digestion pool reagent sample through row heat, make it constantly boiling, clearing up object is all be oxidized by the organism in water by high temperature.While boiling, have water vapor and overflow, overflow for preventing water vapor and make sample concentration, so condenser pipe will be adopted water vapor condensation to be become liquid and is back in digestion pool.In sample cooling procedure, provide recirculated cooling water by condensation peristaltic pump to cooling tube.
The temperature of heating and decompose is gathered by temperature sensor and sends in controller, is controlled the temperature and time cleared up by controller.
Cleaning analysis cell, removes the dirt on interference wall of cup and residual interfering ion.
The sample cleared up in digestion pool is transported in analysis cell by sample presentation pump.
Carry out the process of volume constant to analysis sample, the degree of depth that quantitative pipeline puts in analysis cell determines quantitative volume.
In analysis cell, instill analytical reagent, make sample solution generation chromogenic reaction.Need stirrer work while instillation reagent, sample solution and reagent are fully reacted.
Leave standstill 30 seconds, make liquid stabilising, non-ripple.
The absorbance of a certain wave spectrum in sample solution is detected by silicon photocell sensor.
Analysis cell is once cleaned, prevents remaining waste liquor contamination analysis cell.
Remaining sample blowback in sample inlet is returned in sampling pond, prevent sample to remain in pipeline breed bacteria etc. for a long time.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (10)
1. a chemical oxygen demand (COD) online water analysis instrument, it is characterized in that, comprise shell (20), be arranged on the chemical analysis storehouse (21) in shell (20) and the control device for control chemical analysis storehouse (21) component operation, described chemical analysis storehouse (21) comprises digestion pool (8), analysis module (7), pipeline, sample presentation pump (12), reagent pump (14), condensing unit, temperature control equipment (25) and heating arrangement (26) containing analysis cell (6) and pick-up unit; Described pick-up unit is for detecting the response situation in analysis cell (6); Described condensing unit comprises cooling tube (10), condensing reflux pipe (9) and cooling-water pump (13); Described heating arrangement (26) is for heating and decompose pond (8), and described temperature control equipment (25) is for controlling the digestion condition in digestion pool (8); Described sample presentation pump (12) is connected with analysis cell (6) with digestion pool (8) respectively by pipeline; Described reagent pump (14) is connected with analysis cell (6) with digestion pool (8) respectively by pipeline; Described condensing reflux pipe (9) is connected with cooling-water pump (13) respectively with the condensation water inlet of cooling tube (10), and condensation of water mouth is all connected with external refrigeration tank; The lower port of described cooling tube (10) is connected with analysis cell (6), and upper port is connected with sample presentation pump (12); The upper port of described condensing reflux pipe (9) communicates with air; Lower port is connected with digestion pool (8).
2. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described analysis module (7) also comprises the stirrer be arranged in analysis cell (6) and stirs with control stirrer, is positioned at the stirring motor of analysis cell (6) below; Described pick-up unit comprises full wavelength light source (5), light filter (4) and photometer sensor (3); Described full wavelength light source (5) is fixed in analysis module (7), described photometer sensor (3) is relative with the position of described full wavelength light source (5), lay respectively at analysis cell (6) both sides, described light filter (4) is arranged between full wavelength light source (5) and analysis cell (6).
3. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described analytical instrument of water quality also comprises the drain pump (16) be connected with analysis cell (6) with digestion pool (8) respectively by pipeline.
4. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described analytical instrument of water quality also comprises the blower pump (11) be connected with digestion pool (8) by pipeline.
5. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described analytical instrument of water quality is also comprised the cleaning peristaltic pump (15) that is connected with analysis cell (6) by pipeline and weighs peristaltic pump (17).
6. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described analytical instrument of water quality also comprises the mini air pump (18) being arranged on and connecting on sample presentation pump (12) and digestion pool (8) pipeline.
7. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described heating arrangement (26) comprises and is arranged on quartz heating-pipe in digestion pool (8) and is wrapped in the upper heating wire of digestion pool (8).
8. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described temperature control equipment (25) comprises the temperature sensor be arranged in digestion pool (8).
9. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 1, it is characterized in that, described control device comprises controller, the touch-screen be connected with controller, driver, stepper motor, relay, lead terminal, electric wire, plug connector, communication cable, data-interface and button.
10. chemical oxygen demand (COD) online water analysis instrument as claimed in claim 9, is characterized in that, described control device also comprises and is arranged on pipeline handover module in controller and signal acquisition module; Described pipeline handover module is used for the switching between pipeline; Described signal acquisition module for gathering the absorbance signal in described photometer sensor, and by signal being delivered in controller after AD conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520620278.9U CN204924952U (en) | 2015-08-17 | 2015-08-17 | Online water quality analyzer ware of chemical oxygen demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520620278.9U CN204924952U (en) | 2015-08-17 | 2015-08-17 | Online water quality analyzer ware of chemical oxygen demand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204924952U true CN204924952U (en) | 2015-12-30 |
Family
ID=54974067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520620278.9U Active CN204924952U (en) | 2015-08-17 | 2015-08-17 | Online water quality analyzer ware of chemical oxygen demand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204924952U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596880A (en) * | 2016-11-11 | 2017-04-26 | 江苏大学 | Stepped dosing method and device for chemical oxygen demand detection |
| CN107132108A (en) * | 2017-07-12 | 2017-09-05 | 四川久环环境技术有限责任公司 | A kind of online circulation ultraviolet heating digestion instrument of air-blowing |
| CN115792093A (en) * | 2022-12-15 | 2023-03-14 | 江苏捷利达环保科技有限公司 | COD water quality on-line analyzer and detection system and method thereof |
-
2015
- 2015-08-17 CN CN201520620278.9U patent/CN204924952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596880A (en) * | 2016-11-11 | 2017-04-26 | 江苏大学 | Stepped dosing method and device for chemical oxygen demand detection |
| CN106596880B (en) * | 2016-11-11 | 2018-12-14 | 江苏大学 | A kind of staged adding method thereof and device for chemical oxygen demand detection |
| CN107132108A (en) * | 2017-07-12 | 2017-09-05 | 四川久环环境技术有限责任公司 | A kind of online circulation ultraviolet heating digestion instrument of air-blowing |
| CN115792093A (en) * | 2022-12-15 | 2023-03-14 | 江苏捷利达环保科技有限公司 | COD water quality on-line analyzer and detection system and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206431040U (en) | A kind of Automatic On-line ammonia Nitrogen Analyzer | |
| CN206431125U (en) | Total phosphorus on-line computing model in a kind of water | |
| CN206038669U (en) | COD water quality automatic monitoring equipment | |
| CN205176043U (en) | Water sample automatic acquisition and digestion instrument | |
| US9518900B2 (en) | Sample preparation system for an analytical system for determining a measured variable of a liquid sample | |
| CN101692049B (en) | Control system used for COD on-line automatic monitor | |
| CN201740756U (en) | On-line ammonia nitrogen monitoring system | |
| CN106769938A (en) | A kind of total nitrogen in-line analyzer and its detection method | |
| CN204924952U (en) | Online water quality analyzer ware of chemical oxygen demand | |
| CN105067596B (en) | Ozone-detecting element and detection method | |
| CN107966406A (en) | A kind of water quality automatic checkout equipment | |
| CN2570774Y (en) | Closed cycle total organic carbon analytical equipment | |
| CN213121886U (en) | Automatic water quality monitoring instrument | |
| US11225422B2 (en) | Field groundwater filtering and sampling and moving-water flow index measuring device and method | |
| CN109856121A (en) | A kind of device of water quality biological toxicity on-line checking | |
| CN108061786A (en) | A kind of water quality detecting device of automation collection, classification and Detection and record | |
| CN2924521Y (en) | Oil total amount on-line monitoring instrument | |
| CN214096724U (en) | COD water quality on-line detector | |
| CN207623217U (en) | A kind of water quality automatic checkout equipment | |
| CN110726592A (en) | Self-cleaning sampling device and online spectrum detection method thereof | |
| CN106047679A (en) | Electrically-controlled concentration detection device for microorganisms in water and using method of electrically-controlled concentration detection device for microorganisms in water | |
| CN110658139A (en) | Permanganate index analysis system | |
| CN201540252U (en) | Total-phosphorus automatic analytical instrument | |
| CN213843015U (en) | Silicon water quality analyzer | |
| CN204514797U (en) | A kind of online CODcr Analytical system being applicable to high chlorine sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |