CN203894172U - Total phosphorus measurement room - Google Patents
Total phosphorus measurement room Download PDFInfo
- Publication number
- CN203894172U CN203894172U CN201420352930.9U CN201420352930U CN203894172U CN 203894172 U CN203894172 U CN 203894172U CN 201420352930 U CN201420352930 U CN 201420352930U CN 203894172 U CN203894172 U CN 203894172U
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- CN
- China
- Prior art keywords
- measuring chamber
- cylinder body
- total phosphorus
- upper cover
- chamber cylinder
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Abstract
The utility model relates to a total phosphorus measurement room, overcoming the disadvantage of low measurement precision of an existing total phosphorus measurement apparatus. The total phosphorus measurement room disclosed by the utility model comprises a cylinder body and an upper cover at the upper end of the cylinder body. The cylinder body of the measurement room is internally heated to be at a specific temperature and is always kept at the temperature through at least one heating resistor; a quantitative digested water sample to be detected is introduced into the cylinder body of the measurement room through a liquid inlet joint; then, a quantitative sulphuric acid solution is introduced through the liquid inlet joint to adjust the pH value of the solution and the absorbance of the solution is measured; a quantitative sodium molybdate solution and a quantitative metol solution are introduced through the liquid inlet joint; orthophosphate and a colour developing agent, namely sodium molybdate, in the water sample are dissolved to generate phosphorus molybdenum heteropoly acid, which is instantly reduced to generate a blue complex; the absorbance of the solution is measured again at a certain wavelength; finally, the content of total phosphorus in the sample can be calculated according to the Lambert-Beer law.
Description
Affiliated technical field
The utility model relates to the total phosphorus measuring chamber in a kind of parts, especially environmental water quality monitoring of total phosphorus on-line monitoring instrument.
Background technology
Total phosphorus is exactly the total content of P elements in water body.Phosphorus content too much can cause the undue growth of phycophyta, and wawter bloom or red tide occur body eutrophication, upset the balance of water body.Existing total phosphorus surveying instrument chemical time is long, and temperature stability is poor, and reagent dosage is many, and reagent error in dipping is large, and measuring accuracy is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reagent error in dipping little, and the reaction time is short, and temperature stability is good, the total phosphorus measuring chamber that reagent dosage is few and measuring accuracy is high.
Technical scheme:
Total phosphorus measuring chamber, comprise measuring chamber cylinder body and the measuring chamber upper cover that is located thereon end, on measuring chamber cylinder body, be inserted with heating resistor, temperature sensor, Optical Transmit Unit, light receiving unit, draining connector, measuring chamber cylinder base is equipped with stirring apparatus, base, bottom; Measuring chamber upper cover consists of liquid inlet joint, joint sealing circle, screw, upper cover stand, upper cover O-ring seal, and liquid inlet joint and screw are positioned at upper cover base sub-surface, and joint sealing circle is arranged in liquid inlet joint, and upper cover O-ring seal is positioned at upper cover stand inner face.
Described temperature sensor and described heating resistor are loaded on described measuring chamber cylinder interior, and liquid directly contacts with described measuring chamber cylinder body, and temperature is controlled more accurate.
Described heating resistor is column type, and its periphery is heat-conducting metal; Described temperature sensor is current type temperature sensor, voltage-type temperature sensor or resistance temperature detector.
Described Optical Transmit Unit comprises light source, front end lining, aft-end liner, connecting pipe, seal with buss circle, bushing rubber pad and glass, and it is arranged on described measuring chamber cylinder surface and its one end embeds described measuring chamber cylinder body.
It is 945-955 nanometer that described light source sends light wavelength.
Described light receiving unit comprises photodetector, front end lining, aft-end liner, connecting pipe, seal with buss circle, bushing rubber pad and glass, and it is arranged on described measuring chamber cylinder surface and its one end embeds described measuring chamber cylinder body.
Described stirring apparatus comprises magnetic stir bar, stirring motor and is contained in the magnetic force clamp on stirring motor head.
Described magnetic stir bar is placed in described measuring chamber cylinder body, and described stirring motor is between described measuring chamber cylinder body and described base.
Described base is positioned at described measuring chamber cylinder body below, and described bottom is connected to described base bottom.
Beneficial effect:
The utility model is simple in structure, and temperature control precision is high, and measuring accuracy is high, measuring chamber volume is little, and reagent dosage is few, and operation maintenance is very convenient, and chemical reaction process and measuring process complete in a device, not only Measuring Time shortens, and has also improved measuring accuracy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 2.
Fig. 4 is the B-B cut-open view of Fig. 2.
In figure: 1. measuring chamber upper cover, 1-1. liquid inlet joint, 1-2. screw, 1-3. upper cover stand,
1-4. upper cover O-ring seal, 1-5. joint sealing circle, 2. measuring chamber cylinder body, 2-1. circular hole,
2-2. heating resistor, 2-3. temperature sensor, 3. draining connector, 4. base, 4-1. bottom,
4-2. screw, 4-3. hole, 5. stirring apparatus, 5-1. stirring motor, 5-2. magnetic force clamp,
5-3. magnetic stir bar, 6. Optical Transmit Unit, 6-1. light source, 6-2,7-2. front end lining,
6-3,7-3. aft-end liner, 6-4,7-4. connecting pipe, 6-5,7-5. seal with buss circle,
6-6,7-6. bushing rubber pad, 6-7,7-7. glass, 7. light receiving unit, 7-1. photodetector.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Referring to accompanying drawing 1,2,3,4, a kind of measuring chamber of total phosphorus, comprise measuring chamber cylinder body 2 and the measuring chamber upper cover 1 that is placed on measuring chamber cylinder body 2 tops, on measuring chamber cylinder body, be inserted with at least one heating resistor 2-2 and at least one temperature sensor 2-3, Optical Transmit Unit 6, light receiving unit 7 are housed on measuring chamber cylinder body 2, there is draining connector 3 measuring chamber cylinder body 2 lower ends, and base 4 is equipped with in measuring chamber cylinder body 2 bottoms, measuring chamber cylinder body 2 and the middle stirring apparatus 5 that is fixed with of base 4.Described stirring apparatus 5 comprises stirring motor 5-1, magnetic stir bar 5-3 and is contained in the magnetic force clamp 5-2 on stirring motor 5-1 motor head, described magnetic stir bar 5-3 is put in the indoor of measuring chamber cylinder body 2, and stirring motor 5-1 is loaded in the middle of measuring chamber cylinder body 2 and base 4.
Referring to accompanying drawing 1,2,3,4, described measuring chamber upper cover 1 comprises at least one liquid inlet joint 1-1, is fixed on screw 1-2, the upper cover stand 1-3 of the joint sealing circle 1-5 on liquid inlet joint 1-1, at least two fixation measuring chamber upper covers 1 and is loaded on the upper cover O-ring seal 1-4 on upper cover stand 1-3, in described liquid inlet joint 1-1 insertion upper cover stand 1-3.
Referring to accompanying drawing 1,3, described Optical Transmit Unit 6 comprises light source 6-1, front end lining 6-2, aft-end liner 6-3, connecting pipe 6-4, seal with buss circle 6-5, bushing rubber pad 6-6 and glass 6-7, described seal with buss circle 6-5 is placed on front end lining 6-2, prevent that liquid from oozing out from the gap of measuring chamber cylinder body 2 and front end lining 6-2, described bushing rubber pad 6-6 is loaded on aft-end liner 6-3 front end, prevent that liquid from oozing out in the gap of end liner cover 6-2, glass 6-7 and aft-end liner 6-3 in the past, it is 945-955 nanometer that described light source 6-1 sends light wavelength.
Referring to accompanying drawing 1,3, described light receiving unit 7 comprises photodetector 7-1, front end lining 7-2, aft-end liner 7-3, connecting pipe 7-4, seal with buss circle 7-5, bushing rubber pad 7-6 and glass 7-7, described seal with buss circle 7-5 is placed on front end lining 7-2, prevent that liquid from oozing out from the gap of measuring chamber cylinder body 2 and front end lining 7-2, described bushing rubber pad 7-6 is loaded on aft-end liner 7-3 front end, prevents that liquid from oozing out in the gap of end liner cover 7-2, glass 7-7 and aft-end liner 7-3 in the past.
Referring to accompanying drawing 2,3,4, described Optical Transmit Unit 6 and light receiving unit 7 are placed in respectively the circular hole 2-1 with measuring chamber cylinder body 2 center line symmetries, Optical Transmit Unit 6 can be placed in measuring chamber cylinder body 2 center lines left and right sides circular hole 2-1 one of them, Optical Transmit Unit 6 and light receiving unit 7 are symmetrical with measuring chamber cylinder body 2 center lines.
Referring to accompanying drawing 1,3,4, described bottom 4-1 is loaded on base 4, and bottom 4-1 is used screw 4-2 to be connected with base 4, porose 4-3 on bottom 4-1, and base 4 inner leads are drawn by hole 4-3.The utility model when in use, heating resistor 2-2 and temperature sensor 2-3 are loaded in measuring chamber cylinder body 2, stirring motor 5-1 is loaded in base 4, bottom 4-1 is loaded on to base 4 bottoms, base 4 inner leads are drawn by hole 4-3, Optical Transmit Unit 6 and light receiving unit 7 are placed in respectively the circular hole 2-1 with measuring chamber cylinder body 2 center line symmetries, magnetic stir bar 5-3 is put in to the indoor of measuring chamber cylinder body 2, by liquid inlet joint 1-1, joint sealing circle 1-5 and upper cover O-ring seal 1-4 are loaded on upper cover stand 1-3, measuring chamber upper cover 1 is loaded on to measuring chamber cylinder body 2 tops, by heating resistor 2-2, will in measuring chamber cylinder body 2, be heated to specific temperature and keep always, the quantitative water sample to be measured of clearing up is introduced in measuring chamber cylinder body 2 by liquid inlet joint 1-1, by liquid inlet joint 1-1, introduce the potential of hydrogen of quantitative sulfuric acid solution regulator solution and measure solution absorbance again, by liquid inlet joint 1-1, introduce quantitative sodium molybdate solution and Mitouer solution again, orthophosphate in dissolving water sample and developer sodium molybdate generate phosphato-molybdic heteropolyacid, be reduced immediately generation blue complex, in certain wavelength, place measures solution absorbance again, just can be according to the content of total phosphorus in langbobier law calculation sample.Except test benchmark value and measured value constantly, overall process is rotated by the magnetic force clamp 5-2 on stirring motor 5-1 drive motor head, thereby stirrer 5-3 rotates in drive reaction chamber, solution in reaction chamber is stirred add thermal response even, and accelerate this course of reaction.
Claims (9)
1. total phosphorus measuring chamber, is characterized in that, comprising:
Measuring chamber cylinder body and the measuring chamber upper cover that is located thereon end;
On measuring chamber cylinder body, be inserted with heating resistor, temperature sensor, Optical Transmit Unit, light receiving unit, draining connector, measuring chamber cylinder base is equipped with stirring apparatus, base, bottom;
Measuring chamber upper cover consists of liquid inlet joint, joint sealing circle, screw, upper cover stand, upper cover O-ring seal, and liquid inlet joint and screw are positioned at upper cover base sub-surface, and joint sealing circle is arranged in liquid inlet joint, and upper cover O-ring seal is positioned at upper cover stand inner face.
2. total phosphorus measuring chamber according to claim 1, is characterized in that, described temperature sensor and described heating resistor are loaded on described measuring chamber cylinder interior.
3. total phosphorus measuring chamber according to claim 1, is characterized in that, described heating resistor is column type, and its periphery is heat-conducting metal; Described temperature sensor is current type temperature sensor, voltage-type temperature sensor or resistance temperature detector.
4. total phosphorus measuring chamber according to claim 1, it is characterized in that, described Optical Transmit Unit comprises light source, front end lining, aft-end liner, connecting pipe, seal with buss circle, bushing rubber pad and glass, and it is arranged on described measuring chamber cylinder surface and its one end embeds described measuring chamber cylinder body.
5. total phosphorus measuring chamber according to claim 4, is characterized in that, it is 945-955 nanometer that described light source sends light wavelength.
6. total phosphorus measuring chamber according to claim 1, it is characterized in that, described light receiving unit comprises photodetector, front end lining, aft-end liner, connecting pipe, seal with buss circle, bushing rubber pad and glass, and it is arranged on described measuring chamber cylinder surface and its one end embeds described measuring chamber cylinder body.
7. total phosphorus measuring chamber according to claim 1, is characterized in that, described stirring apparatus comprises magnetic stir bar, stirring motor and is contained in the magnetic force clamp on stirring motor head.
8. total phosphorus measuring chamber according to claim 7, is characterized in that, described magnetic stir bar is placed in described measuring chamber cylinder body, and described stirring motor is between described measuring chamber cylinder body and described base.
9. total phosphorus measuring chamber according to claim 1, is characterized in that, described base is positioned at described measuring chamber cylinder body below, and described bottom is connected to described base bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352930.9U CN203894172U (en) | 2014-06-23 | 2014-06-23 | Total phosphorus measurement room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352930.9U CN203894172U (en) | 2014-06-23 | 2014-06-23 | Total phosphorus measurement room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894172U true CN203894172U (en) | 2014-10-22 |
Family
ID=51720562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420352930.9U Expired - Fee Related CN203894172U (en) | 2014-06-23 | 2014-06-23 | Total phosphorus measurement room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203894172U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764694A (en) * | 2015-04-03 | 2015-07-08 | 四川久环环境技术有限责任公司 | Variable-optical-path metal constant-temperature measuring chamber of ammonia-nitrogen online monitoring instrument |
| CN105115913A (en) * | 2015-07-03 | 2015-12-02 | 山东省科学院海洋仪器仪表研究所 | High precision absorbance detection apparatus |
| CN107132109A (en) * | 2017-07-13 | 2017-09-05 | 四川久环环境技术有限责任公司 | Sealed microwave digestion colorimetric integrated apparatus |
-
2014
- 2014-06-23 CN CN201420352930.9U patent/CN203894172U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764694A (en) * | 2015-04-03 | 2015-07-08 | 四川久环环境技术有限责任公司 | Variable-optical-path metal constant-temperature measuring chamber of ammonia-nitrogen online monitoring instrument |
| CN105115913A (en) * | 2015-07-03 | 2015-12-02 | 山东省科学院海洋仪器仪表研究所 | High precision absorbance detection apparatus |
| CN105115913B (en) * | 2015-07-03 | 2017-07-18 | 山东省科学院海洋仪器仪表研究所 | A kind of high-precision absorbance detection device |
| CN107132109A (en) * | 2017-07-13 | 2017-09-05 | 四川久环环境技术有限责任公司 | Sealed microwave digestion colorimetric integrated apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170623 |