CN206235505U - It is a kind of to clear up reflux for what COD was determined - Google Patents
It is a kind of to clear up reflux for what COD was determined Download PDFInfo
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- CN206235505U CN206235505U CN201621351491.5U CN201621351491U CN206235505U CN 206235505 U CN206235505 U CN 206235505U CN 201621351491 U CN201621351491 U CN 201621351491U CN 206235505 U CN206235505 U CN 206235505U
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Abstract
A kind of to clear up reflux for what COD was determined, wherein reflux includes the lower body and upper machine body that link together, and the upper machine body is set and condenses air cooling equipment, and the condensation pipe holder for fixing condenser pipe is additionally provided with the top of the upper machine body；The lower end of the condenser pipe passes through upper machine body, and is connected with the upper end for clearing up bottle；It is described clear up that bottle is placed in lower body clear up warm table, lower body is additionally provided with lower cooling air cooling equipment；Its control method comprises the following steps：(1) water sample is poured into clearing up bottle, is installed according to said structure and clear up bottle and condenser pipe；(2) heating-up temperature, constant temperature digestion time and condensation temperature are set；(3) start, complete heating, constant temperature digestion and condensation operation；(4) after to be condensed, bottle is cleared up in taking-up, carries out subsequent measurements.The utility model improves the efficiency and security that backflow is cleared up；Its control method improves COD determination efficiencies, and favorable repeatability, measurement accuracy is high.
Description
Technical field
The utility model is related to COD detection techniques, more particularly to a kind of clears up reflux for what COD was determined.
Background technology
With the development of growth and the industrial and agricultural production of world population, water consumption is growing, simultaneously because the mankind
Production and life, cause the pollution of earth's surface, body of groundwater, and water quality constantly deteriorates, and this all makes limited water resource more nervous.I
State is the country that freshwater resources more lack, and water pollution in recent years causes various malignant events to be constantly seen in space in a newspaper, is strengthened
Law enforcement and supervision to water pollution, improve the efficiency that detection department is detected to monitoring water quality, are to administer China's water pollution
Important means.
Current COD is the main monitor control index of water quality monitoring, for sewage, China's regulation potassium bichromate, knot
Fruit is represented with concentration, in terms of " mg/L ", the value that it is measured referred to as COD.External also useful potassium permanganate, ozone, hydroxyl
Make the method system of oxidant, if used, control experiment must be done with potassium dichromate method, make corresponding relation coefficient, with weight
Potassium chromate method reports detection data, it is seen that national standard method is the important detection method that we can not give up；But use weight chromium
The detection of sour potassium method is needed to carry out backflow to water sample to clear up, and chemical oxygen demand of water body is directly affected to the efficiency that water sample backflow is cleared up
Determination efficiency.
It is foundation that current COD clears up reflux《The measure dichromate titration of GB11914-89 water chemical oxygen demands》
In the laboratory aid that is done to the clearing up requirement of COD.Traditional backflow digestion instrument is at present always on edge
, classical approach of being known as, composition and accessory by：Electric furnace, conical flask, implosion guard pearl, spherical condensation tube, rubber hose for medical,
Iron stand, cooling water (Inlet and outlet water).Itself primary disadvantage is that：1st, experimental provision is made up of single individuality, takes lab space
It is very big, install troublesome；2nd, strong acid dissolution liquid is placed in conical flask, electric furnace is susceptible to taper directly to conical flask heating
Bottle breakage, corrodes the situation of whole electric furnace, also easily brings danger to experimenter；3rd, whole experiment process needs a straight-through cooling
Water, can so cause substantial amounts of water waste；4th, experimentation needs manual time-keeping, and the time does not close water in time to rear experimenter
Electricity, can cause the experiment degree of accuracy bad, the waste of water power, the problems such as the danger coefficient of long-time heating is high.
In order to solve the problems, such as that water sample backflow is cleared up, those skilled in the art have carried out various significant trials and have set
Reaction unit is cleared up in a kind of meter, fast sample metering for COD detections as disclosed in Chinese patent ZL201210347251.8,
It gives backflow pool with clearing up the technology that reaction bulb is combined, and by corresponding Valve controlling component, realizes from clearing up
The Whole Process Control of reflux condensation mode is heated to, but the structure makes it be difficult to satisfaction and is actually needed because there is following defect：1st, should
Device backflow is that, by pulsometer pressurized control, complex structure installs control difficulty greatly, and actual construction needs larger space,
And also need to meet the requirement such as energy consumption；2nd, corresponding several of whole backflow pool clear up bottle, it is impossible to which meeting each water sample is independently carried out
The requirement of backflow is cleared up, backflow efficiency is cleared up in not only influence, be also difficult to meet the requirement of experiment that data are reliably repeated；3rd, clear up back
Water sample overflows eruption in stream, easily etching apparatus or causes personal injury, lacks necessary protection, there is certain safe operation
Hidden danger.
Utility model content
The purpose of this utility model be to provide it is a kind of for COD determine clear up reflux, it have it is safe and reliable, control
The characteristics of making simple and convenient and experimental implementation efficiency high.
The utility model is achieved like this, it includes the lower body and upper machine body that link together, it is characterised in that
The upper machine body condenses air cooling equipment on setting, and the condensation pipe holder for fixing condenser pipe is additionally provided with the top of the upper machine body；
The lower end of the condenser pipe passes through upper machine body, and is connected with the upper end for clearing up bottle；It is described clear up bottle be placed in lower body clear up plus
In thermal station, lower body is additionally provided with lower cooling air cooling equipment；The upper condensation air cooling equipment and lower cooling air cooling equipment constitute bilateral
Road cooling system.
The location hole for fixing condenser pipe is provided with the upper machine body, the upper machine body front is additionally provided with for touch-control
The display control panel of display.
The periphery for clearing up warm table is additionally provided with heat shield.The warm table of clearing up is including heating dish and positioned at heating dish
Top with clear up the devitrified glass that bottle is contacted.The condenser pipe includes condenser pipe main body and connection in condenser pipe body top
Waterway, the condenser pipe main body inner wall is evenly arranged with hangnail.
The condensation pipe holder is included being fixed on rotating shaft at the top of upper machine body and is connected with rotating shaft by pivoted housing component
Main body rack, the main body rack has the bayonet socket for coordinating fixation with the lower end of waterway.The pivoted housing component include axle sleeve and
For making bayonet socket compress the elastic component of waterway.
Preferably：The condenser pipe is several, and several condensation pipe holders are correspondingly arranged at waterway in condenser pipe
Outside, and the bayonet socket of adjacent condensation pipe holder is oppositely arranged.
The utility model also describes a kind of reflux control method, it is characterised in that the control method is based on above-mentioned
For the reflux that COD is determined, it comprises the following steps：
(1) testing liquid is poured into clearing up bottle, is then installed according to said structure and clear up bottle and condenser pipe, and by cold
Solidifying pipe holder fixes condenser pipe；
(2) heating-up temperature, constant temperature digestion time and condensation temperature are set by display control panel；
(3) parameter that step (2) sets is preserved, startup program, completes heating, constant temperature digestion and condensation behaviour
Make；
(4) alarm operation is completed after the completion of to be condensed, and bottle is cleared up in taking-up, and subsequent measurements are carried out to liquid in bottle.
Preferably：The constant temperature digestion time is 10-120 minutes, and the condensation temperature is 20-50 DEG C.
The beneficial effects of the utility model are：The utility model is that one kind disclosure satisfy that COD determination highly effective and safe
Reflux reliably is cleared up, it is improved by the structure to condenser pipe, cooling system and auxiliary fixing assembly, is significantly improved
Efficiency and security that the device condensing reflux is cleared up, whole device Stability Analysis of Structures reliability are easy for operation；With reference to the dress
The control method put, is remarkably improved COD determination efficiencies, and favorable repeatability, measurement accuracy is high.
Brief description of the drawings
Fig. 1 is the structural front view of the utility model one embodiment.
Fig. 2 is the structure rearview of embodiment illustrated in fig. 1.
Fig. 3 clears up the structural representation of warm table for the utility model.
Fig. 4 is the structural front view and its profile of the utility model condenser pipe.
Structural representation when Fig. 5 is the utility model condenser pipe support fastening.
Fig. 6 is structural representation when the utility model condensation pipe holder is opened.
In figure, 1, lower body 2, upper machine body 3, condenser pipe 4, condensation pipe holder 5, display control panel 6, clear up
Bottle 7, clear up warm table 8, heat shield 9, it is upper condensation air cooling equipment 10, lower cooling air cooling equipment.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the utility model is achieved in that and this clears up reflux it includes linking together
Lower body 1 and upper machine body 2, it is structurally characterized in that, the upper machine body 2 sets and condenses air cooling equipment 9, the top of the upper machine body 2
It is additionally provided with the condensation pipe holder 4 for fixing condenser pipe 3；The lower end of the condenser pipe 3 pass through upper machine body 2, and with clear up bottle 6
Upper end connects；It is described clear up that bottle 6 is placed in lower body 1 clear up warm table 7, lower body 1 is additionally provided with lower cooling air cooling equipment 10；
The upper condensation air cooling equipment 9 and lower cooling air cooling equipment 10 constitute binary channels cooling system.
In order to realize preferably positioning and control, the location hole for fixing condenser pipe 3 is provided with the upper machine body 2
201, the front of upper machine body 2 is additionally provided with the display control panel 5 shown for touch-control, sets wear-resisting on the location hole 201
Rubber sleeve.The utility model be it is a kind of be mainly used in COD determination clear up reflux, be mainly used in environmentally friendly row
In the water pollution detection field of industry；Its operation principle is such, and the bottle 6 of clearing up that first will be equipped with water sample is placed in disappearing for lower body 1
Solution warm table 7 in, then condenser pipe 3 is fixed on upper machine body 2 by condensing pipe holder 4, and by its lower end with clear up bottle 6
Connection is installed in upper end, then sets heating and control heating-up temperature by display control panel 5, and by upper condensation air cooling equipment
9 and it is lower cooling air cooling equipment 10 condensation cooling is carried out to condenser pipe 3, make water sample condenser pipe 3 with clear up bottle 6 in formed backflow；
Compact conformation reliability of the present utility model, it is easy to control, also by improve efficiency and security that condensing reflux is cleared up, specifically
Ground, it constitutes binary channels cooling system by upper condensation air cooling equipment 9 and lower cooling air cooling equipment 10, and back flow of sample is completed
Afterwards, lower cooling air cooling equipment 10 can also aid in sample to be cooled down, the wind for effectively preventing experimentation personnel's maloperation to be burned
Danger, and air-cooled efficiency high, saving energy consumption and maintenance cost, make experiment simpler, convenient, safe, greatly improve determination experiment
Efficiency；Easily can be stabilized in condenser pipe 3 on upper machine body 2 by the condensation pipe holder 4, and can also be consolidated after the completion of experiment
The vessel of fixed idle condenser pipe 3, reduce the artificial damage of shift position, also save space.
In order to improve the security reliability for operating with, the utility model is also changed to heating and condenser tube structure
Enter, in the specific implementation, the periphery for clearing up warm table 7 is provided with heat shield 8, and this is cleared up warm table 7 and includes heating dish 701
With positioned at the top of heating dish 701 with clear up the devitrified glass 702 that bottle 6 is contacted, as shown in figure 3, heating dish 701 can be as other
Experiment, such as evaporates, boils and use, and temperature can sets itself as needed；Heat shield 8 is arranged on the periphery of heating dish 701, plus
The temperature after heating of hot plate 701 is very high, and the part is mainly played isolation and played a protective role between heating dish and operating personnel,
Effectively prevent unexpected scald；In heating, completed to clearing up the reclaimed water of bottle 6 according to the setting of display control panel 5 by heating dish 701
The heating of sample, because devitrified glass 702 is in the top of heating dish 701, the heat of heating dish 701 is conducted by devitrified glass 702
To clearing up bottle 6, using the intensity of devitrified glass 702 it is big, wearability is strong, thermally-stabilised and strong chemical stability the characteristics of, can be effective
Acid corrosion heating dish 701 is prevented, the cleaning work after experiment is also allowed for.
In the specific implementation, the condenser pipe 3 includes condenser pipe main body 303 and connection at the top of condenser pipe main body 303
Waterway 301, the inwall of condenser pipe main body 303 is evenly arranged with hangnail 302, as shown in Figure 4；When installing and using, high temperature
The hangnail 302 that gas first passes through condenser pipe forms a kind of backflow, and residual gas is back to and disappears again by waterway 301, after cooling
In solution bottle 6；The effect of hangnail 302 can effectively prevent a large amount of high-temperature gas moments from rising and cause splash, make experiment safety reliability；
The hangnail 302 also increases tube wall area of dissipation simultaneously, reflux condensation mode efficiency high, reduces that reflux temperature is too high splash occurs
Situation, a safety is more added to reflux course.
In order that obtain condenser pipe 3 being preferably fixed on upper machine body 2, the utility model is also carried out to condensation pipe holder 4
Structure design, as shown in Figure 5 and Figure 6, it includes being fixed on the rotating shaft 401 at the top of upper machine body 2 and logical to specific implementation structure
The main body rack 403 that pivoted housing component 402 is connected with rotating shaft 401 is crossed, the main body rack 403 has matches somebody with somebody with the lower end of waterway 301
Close fixed bayonet socket 404；The pivoted housing component 402 includes axle sleeve and for making bayonet socket 404 compress the elasticity of waterway 301
Part；Bayonet socket 404 using main body rack 403 can engage with the waterway 301 of condenser pipe 3 well, then by pivoted housing component
402 effect, makes main body rack 403 have the active force for compressing condenser pipe 3, if removing condenser pipe 3, it is only necessary to acting in opposition master
Body support frame 403, overcomes the elastic force of pivoted housing component 402 to rotate, you can to open main body rack 403, so as to remove condenser pipe 3, structure letter
It is single, it is easy to use, condenser pipe can be placed on support after the completion of experiment, facilitate the placement of glassware, reduce mobile position
The artificial damage put and saving space.
In order to improve the efficiency of reflux operation during COD is determined, and unified determination data is stablized in acquisition, in specific implementation
When, the condenser pipe 3 is several, and several condensation pipe holders 4 are correspondingly arranged at the outside of waterway 301 in condenser pipe 3, and
The bayonet socket 404 of adjacent condensation pipe holder 4 is oppositely arranged；This sample device can be heated at reflux to six samples simultaneously,
Can ensure that thermal field uniformity, make six samples to be heated to reflux temperature identical, it is ensured that the counterflow condition of sample is consistent.Reduce GB
Middle multiple Electric stoves experimental error that heating-up temperature difference water sample brings simultaneously；Opposed bayonet socket 404 is used in addition, is further carried
The stability of the fixed installation of condenser pipe 3 high.
Based on above-mentioned reflux, the invention also discloses a kind of reflux control method, it is determined for COD
Reflux operation, specific implementation step is as follows：(1) testing liquid is poured into clearing up bottle 6, is then installed according to said structure and disappeared
Solution bottle 6 and condenser pipe 3, and fixed condenser pipe 3 by condensing pipe holder 4；(2) heating is set by display control panel 5
Temperature, constant temperature digestion time and condensation temperature；(3) parameter that step 2 sets is preserved, startup program, completes to add
Heat, constant temperature digestion and condensation operation；(4) alarm operation is completed after the completion of to be condensed, and bottle 6 is cleared up in taking-up, to liquid in bottle
Body carries out subsequent measurements.
Based on above-mentioned steps, control method of the present utility model can also be divided into manual mode, intelligent mode, self-defined mould
Formula Three models, strengthen laboratory automation degree；Manual mode be experimenter heated up manually according to the demand of oneself,
The steps such as backflow, cooling, after selecting manual mode, instrument begins to warm up, and after being warming up to the temperature that can be flowed back, instrument is permanent
Temperature is simultaneously alarmed, and needs button manually to cancel alarm, and experimenter puts into instrument sample, after coming to life by
Timing key carries out the two hour countdowns that flow back, and the time is cooled down automatically to rear instrument, is alarmed after being cooled to 20-50 DEG C, most
Button manually is needed to cancel alarm afterwards, then taking out sample carries out subsequent operation.Intelligent mode is by display control
Panel 5 is implanted into pre-set control programs, and after selecting intelligent mode, experimenter puts into instrument sample, by intelligent key instrument
Automatically into experiment flow, start to warm up, after the completion of intensification, instrument alarm enters into water sample and flows back and start two after pointing out 3 seconds
Individual hour countdown, after digestion time is arrived, heating is closed, and instrument is cooled down automatically, is alarmed after being cooled to 20-50 DEG C.And from
Defining mode can carry out temperature and time setting by user according to the demand of different indexs, improve the versatility of instrument.
Apparatus and method of the present utility model can solve well it is existing clear up reflux problems faced, its is main
Advantage is：1st, experimental provision is combined, while can be heated to reflux to several samples, is occupied little space.2nd, bore
Shape bottle is placed on heating and clears up on platform, it is to avoid bottle and heating component internal directly contact, makes experiment safety reliability.3rd, the device by
Condensation air cooling equipment and cooling air cooling equipment constitute binary channels cooling system to replace Cooling Process, greatly save water resource.4、
Originally clear up reflux to be cleared up by programme-control and cooling procedure, clear up backflow timing and cooled down automatically to rear instrument,
Make more intelligent experiment, safety, energy-conservation.
Claims (8)
1. a kind of to clear up reflux for what COD was determined, it includes the lower body (1) and upper machine body (2) that link together, its
It is characterised by, air cooling equipment (9) is condensed in the upper machine body (2) setting, is additionally provided with the top of the upper machine body (2) cold for fixing
The condensation pipe holder (4) of solidifying pipe (3)；The lower end of the condenser pipe (3) passes through upper machine body (2), and connects with the upper end for clearing up bottle (6)
It is logical；
It is described clear up that bottle (6) is placed in lower body (1) clear up warm table (7), lower body (1) is additionally provided with lower cooling air cooling equipment
(10)；Upper condensation air cooling equipment (9) and lower cooling air cooling equipment (10) constitute binary channels cooling system.
2. it is as claimed in claim 1 to clear up reflux for what COD was determined, it is characterised in that to be set on the upper machine body (2)
The location hole (201) for fixing condenser pipe (3) is equipped with, upper machine body (2) front is additionally provided with the display shown for touch-control
Control panel (5).
3. it is as claimed in claim 2 to clear up reflux for what COD was determined, it is characterised in that described to clear up warm table (7)
Periphery be additionally provided with heat shield (8).
4. it is as claimed in claim 3 to clear up reflux for what COD was determined, it is characterised in that described to clear up warm table (7)
Including heating dish (701) and positioned at heating dish (701) top with clear up the devitrified glass (702) that bottle (6) is contacted.
5. it is as claimed in claim 4 to clear up reflux for what COD was determined, it is characterised in that the condenser pipe includes cold
The waterway (301) of solidifying pipe main body (303) and connection at the top of condenser pipe main body (303), condenser pipe main body (303) inwall
It is evenly arranged with hangnail (302).
6. it is as claimed in claim 5 to clear up reflux for what COD was determined, it is characterised in that the condensation pipe holder (4)
The main body being connected with rotating shaft (401) including the rotating shaft (401) being fixed at the top of upper machine body (2) and by pivoted housing component (402)
Support (403), the main body rack (403) coordinates fixed bayonet socket (404) with the lower end with waterway (301).
7. it is as claimed in claim 6 to clear up reflux for what COD was determined, it is characterised in that the pivoted housing component (402)
Including axle sleeve and for making bayonet socket (404) compress the elastic component of waterway (301).
8. it is as claimed in claim 7 to clear up reflux for what COD was determined, it is characterised in that the condenser pipe (3) is if be
Dry, several condensations pipe holder (4) are correspondingly arranged at the outside of waterway (301) in condenser pipe (3), and adjacent condenser pipe
The bayonet socket (404) of support (4) is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621351491.5U CN206235505U (en) | 2016-12-10 | 2016-12-10 | It is a kind of to clear up reflux for what COD was determined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621351491.5U CN206235505U (en) | 2016-12-10 | 2016-12-10 | It is a kind of to clear up reflux for what COD was determined |
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| CN206235505U true CN206235505U (en) | 2017-06-09 |
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ID=58978348
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621351491.5U Active CN206235505U (en) | 2016-12-10 | 2016-12-10 | It is a kind of to clear up reflux for what COD was determined |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404517A (en) * | 2016-12-10 | 2017-02-15 | 北京连华永兴科技发展有限公司 | Dispelling reflux device for COD measurement and control method thereof |
| CN109342173A (en) * | 2018-12-13 | 2019-02-15 | 北京连华永兴科技发展有限公司 | COD reflux resolution instrument |
-
2016
- 2016-12-10 CN CN201621351491.5U patent/CN206235505U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404517A (en) * | 2016-12-10 | 2017-02-15 | 北京连华永兴科技发展有限公司 | Dispelling reflux device for COD measurement and control method thereof |
| CN106404517B (en) * | 2016-12-10 | 2023-10-17 | 北京连华永兴科技发展有限公司 | Digestion reflux device for COD (chemical oxygen demand) determination and control method thereof |
| CN109342173A (en) * | 2018-12-13 | 2019-02-15 | 北京连华永兴科技发展有限公司 | COD reflux resolution instrument |
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