CN203705250U - Heating digestion thermostat device with automatic liquid adding and flushing functions - Google Patents
Heating digestion thermostat device with automatic liquid adding and flushing functions Download PDFInfo
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- CN203705250U CN203705250U CN201420020209.XU CN201420020209U CN203705250U CN 203705250 U CN203705250 U CN 203705250U CN 201420020209 U CN201420020209 U CN 201420020209U CN 203705250 U CN203705250 U CN 203705250U
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- Prior art keywords
- heating
- feeding
- flushing
- auto
- automatic liquid
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- 230000029087 digestion Effects 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 22
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims 1
- 239000002912 waste gas Substances 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 21
- 238000013021 overheating Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000012153 distilled water Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- YUVLVONHNMXKBW-UHFFFAOYSA-L [Ag+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O Chemical compound [Ag+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O YUVLVONHNMXKBW-UHFFFAOYSA-L 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 1
- 229910000367 silver sulfate Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a heating digestion thermostat device with automatic liquid adding and flushing functions. The thermostat device comprises a shell, heating elements, digestion pipes, condenser pipes, a partition board, a partition board lifting unit, an automatic liquid adding unit and an automatic flushing unit, wherein a plurality of heating holes are uniformly distributed in the shell; the heating element is arranged at the bottom of each heating hole; the digestion pipes are arranged on the heating elements; liquid adding multi-way pipes are uniformly distributed on the partition board; the multi-way pipes correspond to the condenser pipes below one by one; upper openings of the condenser pipes are connected to lower openings of the corresponding multi-way pipes through hoses. Instead of being manually added, liquid having potential safety hazard is automatically added under control of a peristaltic pump, which nearly completely avoids equipment damage and accidents; moreover, reagents are slowly added in a relatively sealed device, so as to avoid loss of components to be detected in a sample due to local overheating and other factors and to guarantee a reliable determination result.
Description
Technical field
The utility model relates to a kind of sample pre-treatments device for chemical assay, the specifically thermostat apparatus of the heating and decompose of a kind of automatic liquid-feeding and auto-flushing.
Background technology
In the experimentation of heating and decompose sample, often need in digestion tube, add various reagent according to experiment, and after having cleared up, also must rinse condenser pipe inwall from the condenser pipe distilled water that adds suitable for reading, to rinse effective constituent and the residual acid that in heating and decompose process, volatilization comes up.The heating and decompose thermostat of currently available technology is mainly by heating unit, digestion tube and condenser pipe composition, there is very large drawback in its structure: reagent adding must add from condenser pipe is suitable for reading with dropper by hand, so often there is reagent because gravity reason is trickled down on heating and decompose thermostat or on desktop from dropper mouth, for example according to national standard " GB/T 11914-1989 " in the time measuring the clearing up of CODcr in sewage, after digestion instrument assembling, national standard requires the condenser pipe dropping suitable for reading from eminence the concentrated sulphuric acid, because concentrated sulphuric acid proportion is very large, so be very easy to from dropper mouth unrestrained, so not only damage heating and decompose thermostat, and extremely easily cause security incident.Based on the consideration of this reason, above-mentioned national standard alternative is not by the condenser pipe dropping concentrated sulphuric acid suitable for reading, but be directly added in digestion tube before device assembling, but the concentrated sulphuric acid is met water and is emitted a large amount of heat, cause solution local temperature too high, very easily cause that sample solution splashes, also vaporization loss very easily of the thermo-responsive organism in sample, cause result error larger, and also easily cause device damage and security incident.
Summary of the invention
In order to overcome the deficiency of heating and decompose thermostat apparatus of prior art, the utility model provide a kind of can automatic liquid-feeding and the heating and decompose thermostat of auto-flushing, this device can effectively avoid that the result error that causes because of manual operations is large, device damage and security incident.
The utility model solves the technical scheme that its technical matters adopts: the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding and auto-flushing, comprise housing 1, heating element 2, digestion tube 3, condenser pipe 6, dividing plate 8, dividing plate lifting unit, automatic liquid-feeding unit and auto-flushing unit etc., in described housing 1, be uniformly distributed multiple bottoming holes 12, heating element 2 is installed in each bottoming hole 12 bottoms, on described heating element 2, places digestion tube 3, and the upper shed 4 of described digestion tube 3 is connected by standard ground impermeability with the end opening 5 of condenser pipe 6; On dividing plate 8, be uniformly distributed the many siphunculus 9 of liquid feeding are installed, the many siphunculus 9 of described liquid feeding are arranged on dividing plate 8 by screw thread 905, and the many siphunculus 9 of liquid feeding have lower openings 901, upper opening 902, intermediate openings I 903, intermediate openings II 904.Intermediate openings I 903 and intermediate openings II 904 upper-lower positions are staggered, and as required, central tube can have many openings.Described many siphunculus 9 and 6 vertical positions of condenser pipe are below corresponding one by one, the upper shed of condenser pipe 6 is connected with the lower openings 901 of the many siphunculus 9 of liquid feeding of correspondence on dividing plate by flexible pipe 7, first of automatic liquid-feeding unit goes out valve flexible pipe 136 and is connected with the intermediate openings I 903 of the many siphunculus 9 of liquid feeding, and second of auto-flushing unit goes out valve flexible pipe 146 and is connected with the intermediate openings II 904 of the many siphunculus 9 of liquid feeding.The straight-through atmosphere of upper opening 902 or the connection exhaust gas absorption device (not shown) of the many siphunculus 9 of described liquid feeding, lower openings connects the upper shed of condenser pipe 6.
Described automatic liquid-feeding unit comprises that the first reagent bottle 131, the first enters pump hose 132, the first peristaltic pumps 133, the first and goes out pump hose 134, the first multiport valves 135, the first and go out valve flexible pipe 136, and the first described multiport valve 135 is into having more valve.Described first enters pump hose 132 one end inserts in the first reagent bottle 131, the other end connects the import of the first peristaltic pump 133, the outlet of the first peristaltic pump 133 goes out pump hose 134 by first and is connected with the import of the first multiport valve 135, the outlet of the first multiport valve 135 goes out valve flexible pipe 136 by first and connects, and first goes out valve flexible pipe 136 is connected with the intermediate openings I 903 of the many siphunculus 9 of liquid feeding.
Described auto-flushing unit comprises that the second reagent bottle 141, the second enters pump hose 142, the second peristaltic pumps 143, the second and goes out pump hose 144, the second multiport valves 145, the second and go out valve flexible pipe 146, and the second described multiport valve 145 is into having more valve.Described second enters pump hose 142 2 ends inserts in the second reagent bottle 141, the other end connects the import of the second peristaltic pump 143, the outlet of the second peristaltic pump 143 goes out pump hose 144 by second and is connected with the import of the second multiport valve 145, the outlet of the second multiport valve 145 goes out valve flexible pipe 146 by second and connects, and second goes out valve flexible pipe 146 is connected with the intermediate openings II 904 of the many siphunculus 9 of liquid feeding.
On described dividing plate 8, by swivel nut (not shown), screw rod 10 is installed, screw rod 10 is connected on stepper motor 11, stepper motor 11 and instrumentation control system (not shown) electrical connection.
As preferably, above-mentioned connecting hose and multiport valve valve body material are polytetrafluoroethylene (PTFE) pipe or polyetheretherketone (PEEK).
Compared to the prior art the utility model, has following outstanding beneficial effect: the liquid with potential safety hazard changes over wriggling the automatic control of pump and adds by manually adding, and almost avoids the generation of device damage and security incident completely; Because be automatically to control that to add reagent, reagent be slowly to add in the device of relative closure, so the component to be measured in sample can, because of former thereby losses such as local overheatings, not make measurement result more reliable.
Brief description of the drawings
Fig. 1 is the heating and decompose thermostat schematic diagram of a kind of energy automatic liquid-feeding and auto-flushing.
Fig. 2 be a kind of can automatic liquid-feeding and the heating and decompose thermostat of auto-flushing in many siphunculus of liquid feeding diagrammatic cross-section.
In figure:
Housing 1, heating element 2, digestion tube 3, the upper shed 4 of digestion tube, the end opening 5 of condenser pipe, condenser pipe 6, flexible pipe 7, dividing plate 8, the many siphunculus 9 of liquid feeding, lower openings 901, upper opening 902, intermediate openings I 903, intermediate openings II 904, screw thread 905, screw rod 10, stepper motor 11, bottoming hole 12, the first reagent bottle 131, first enters pump hose 132, the first peristaltic pump 133, first goes out pump hose 134, the first multiport valve 135, first goes out valve flexible pipe 136, the second reagent bottle 141, second enters pump hose 142, the second peristaltic pump 143, second goes out pump hose 144, the second multiport valve 145, second goes out valve flexible pipe 146.
Embodiment
Below will be described in detail preferred embodiment of the present utility model.Should be appreciated that preferred embodiment of the present utility model is only for the utility model is described, instead of in order to limit protection domain of the present utility model.
Mensuration using GB " GB/T 11914-1989 " chemical oxygen demand in sewage CODcr illustrates the utility model as preferred embodiment.
When experiment, in digestion tube 3, add 20.0ml water sample, accurately add 10.0ml potassium dichromate standard solution, shake up, digestion tube 3 is placed in bottoming hole 12, start stepper motor 11, make stepper motor 11 drive screw rod 10 slowly to move down, move to 4 o'clock suitable for reading of digestion tube 3 until the end opening 5 of condenser pipe, stop stepper motor 11, the end opening 5 of manual suitable for reading 4 and the corresponding condenser pipe of aiming at each digestion tube 3, restart stepper motor 11, make screw rod 10 continue slow decreasing, move to the suitable for reading 4 interior while contacting completely of digestion tube 3 until the end opening 5 of condenser pipe, stop stepper motor 11, digestion tube 3 with condenser pipe 6 is airtight connects.Because the suitable for reading of condenser pipe 6 is connected with many siphunculus 9 by flexible pipe 7, so condenser pipe 6 contact completely digestion tube suitable for reading 4 after, allow dividing plate 8 under the drive of screw rod 10, to move down again the distance of 2-4 millimeter, suitable for reading 4 of digestion tube can impermeability be connected with the end opening 5 of condenser pipe.
Sulfuric acid-the silver sulfate solution preparing is poured in the first reagent bottle 131, distilled water is poured in the second reagent bottle 141.Starter gear, device is controlled the first peristaltic pump 133 and is entered pump hose 132 by first, first goes out pump hose 134 slowly pumps into sulfuric acid-silver sulphate reagent to the first multiport valve 135, device is controlled the first multiport valve 135 and is turned over certain angle, make reagent go out valve flexible pipe 136 by first and flow into corresponding many siphunculus 9, then reagent enters first condenser pipe 6, reagent flows into first digestion tube 3 from first condenser pipe 6 inwalls, after 30ml to be added, device is controlled the first multiport valve 135 and is turned over certain angle, make reagent go out valve flexible pipe 136 through first of correspondence, enter corresponding many siphunculus 9 and flow into second condenser pipe, reagent flows into second digestion tube 3 from second condenser pipe, 6 inwalls, the like, all add after sulfuric acid-silver sulphate reagent until all digestion tubes, stop liquid feeding, start heating schedule.
After boiling to be heated, start timing after 2 hours, device is controlled heating schedule and is closed, the temperature of waiting for digestion tube 3 interior solution drops to after room temperature, device is controlled the second peristaltic pump 143 and is entered pump hose 142 by second, second goes out pump hose 144 slowly pumps into distilled water to the second multiport valve 145, device is controlled the second multiport valve 145 and is turned over certain angle, make distilled water go out valve flexible pipe 146 by second and flow into corresponding many siphunculus 9, then distilled water enters first condenser pipe 6, distilled water flows into first digestion tube 3 from first condenser pipe 6 inwalls, after 80ml to be added, instrument control the second multiport valve 145 turns over certain angle, make distilled water go out valve flexible pipe 146 through second of correspondence, enter corresponding many siphunculus 9 and flow into second condenser pipe, distilled water flows into second digestion tube 3 from second condenser pipe, 6 inwalls, the like, all add after distilled water until all digestion tubes, stop liquid feeding.
Start stepper motor 11, make screw rod 10 drive slowly the move up distance of 5-10 millimeter of dividing plate 8, suitable for reading 4 of the end opening 5 of condenser pipe and digestion tube just departed from, stop stepper motor 11, the end opening 5 of reviewing and validate all condenser pipes 6 all departs from digestion tube 3, restart stepper motor 11, make dividing plate 8 continue to rise to condenser pipe 6 and can not hinder the position of digestion tube 3 from bottoming hole 12 interior taking-ups.Stopping device power supply, from the interior taking-up digestion tube 3 of bottoming hole 12, carries out titration determination by national standard method to the interior solution of digestion tube 3.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is not departing from aim and the scope of the utility model patented technology scheme scope, can modify or be equal to replacement the technical solution of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. the heating and decompose thermostat apparatus of an automatic liquid-feeding and auto-flushing, comprise housing, heating element, digestion tube, condenser pipe, dividing plate lifting unit, automatic liquid-feeding unit and auto-flushing unit, it is characterized in that: in described housing, be uniformly distributed multiple bottoming holes, heating element is installed in each bottoming hole bottom, on described heating element, place digestion tube, described digestion tube upper shed and the end opening of condenser pipe are connected, described condenser pipe upper shed is connected with the many siphunculus of liquid feeding on dividing plate, automatic liquid-feeding unit is connected with the many siphunculus of liquid feeding respectively with auto-flushing unit.
2. the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding according to claim 1 and auto-flushing, is characterized in that: described dividing plate is connected with screw rod by swivel nut, and screw rod is connected on stepper motor.
3. the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding according to claim 1 and auto-flushing, it is characterized in that: on described dividing plate, be uniformly distributed the many siphunculus of liquid feeding are installed, the many siphunculus of liquid feeding and condenser pipe below dividing plate are corresponding and be connected by flexible pipe one by one.
4. the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding according to claim 1 and auto-flushing, it is characterized in that: the straight-through atmosphere of described many siphunculus of liquid feeding upper opening or connection waste gas recovering device, intermediate openings I connects automatic liquid-feeding unit, intermediate openings II connects auto-flushing unit, and lower openings connects condenser pipe.
5. the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding according to claim 4 and auto-flushing, is characterized in that: described many siphunculus intermediate openings I and intermediate openings II upper-lower position are staggered, and as required, central tube can have many openings.
6. the heating and decompose thermostat apparatus of a kind of automatic liquid-feeding according to claim 1 and auto-flushing, is characterized in that: described automatic liquid-feeding unit and the fluid filling pump of auto-flushing unit are peristaltic pump, and pipeline switching valve is into having more valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020209.XU CN203705250U (en) | 2014-01-14 | 2014-01-14 | Heating digestion thermostat device with automatic liquid adding and flushing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020209.XU CN203705250U (en) | 2014-01-14 | 2014-01-14 | Heating digestion thermostat device with automatic liquid adding and flushing functions |
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| Publication Number | Publication Date |
|---|---|
| CN203705250U true CN203705250U (en) | 2014-07-09 |
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| CN201420020209.XU Expired - Fee Related CN203705250U (en) | 2014-01-14 | 2014-01-14 | Heating digestion thermostat device with automatic liquid adding and flushing functions |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849132A (en) * | 2015-05-30 | 2015-08-19 | 济南盛泰电子科技有限公司 | Digestion acid dispelling instrument |
| CN105651587A (en) * | 2016-02-26 | 2016-06-08 | 杨冠丽 | Environment-friendly digestion reflux device |
| CN106153435A (en) * | 2016-07-28 | 2016-11-23 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN106987892A (en) * | 2017-04-25 | 2017-07-28 | 无锡市明骥智能机械有限公司 | Electroplating bath with automatic liquid-feeding function |
| CN109696346A (en) * | 2017-10-20 | 2019-04-30 | 北京莱伯泰科仪器股份有限公司 | Isotope front processor |
| CN114371271A (en) * | 2021-12-23 | 2022-04-19 | 池州学院 | A kind of heavy metal soil detection device and detection method |
-
2014
- 2014-01-14 CN CN201420020209.XU patent/CN203705250U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849132A (en) * | 2015-05-30 | 2015-08-19 | 济南盛泰电子科技有限公司 | Digestion acid dispelling instrument |
| CN104849132B (en) * | 2015-05-30 | 2018-06-15 | 济南盛泰电子科技有限公司 | Sour instrument is caught up in a kind of resolution |
| CN105651587A (en) * | 2016-02-26 | 2016-06-08 | 杨冠丽 | Environment-friendly digestion reflux device |
| CN106153435A (en) * | 2016-07-28 | 2016-11-23 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN106153435B (en) * | 2016-07-28 | 2018-10-02 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN106987892A (en) * | 2017-04-25 | 2017-07-28 | 无锡市明骥智能机械有限公司 | Electroplating bath with automatic liquid-feeding function |
| CN109696346A (en) * | 2017-10-20 | 2019-04-30 | 北京莱伯泰科仪器股份有限公司 | Isotope front processor |
| CN109696346B (en) * | 2017-10-20 | 2023-10-13 | 莱伯泰科(天津)科技有限公司 | Isotope pretreatment device |
| CN114371271A (en) * | 2021-12-23 | 2022-04-19 | 池州学院 | A kind of heavy metal soil detection device and detection method |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170426 Address after: 250100 science and technology building, No. 554, Feng Feng Road, hi tech Zone, Shandong, Ji'nan, 204, China Patentee after: JINAN JUSTRICHFUL TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 250100 Shandong Province, Lixia District, Ji'nan province Jiang Jia Zhuang, No. 222 Co-patentee before: Shang Yue Patentee before: Geng Diangang |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Guo Mingchun Document name: Approval notice of fee reduction |
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| 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: 20140709 Termination date: 20220114 |