CN207114275U - Sulfur dioxide automatic extracting device - Google Patents
Sulfur dioxide automatic extracting device Download PDFInfo
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- CN207114275U CN207114275U CN201720357615.9U CN201720357615U CN207114275U CN 207114275 U CN207114275 U CN 207114275U CN 201720357615 U CN201720357615 U CN 201720357615U CN 207114275 U CN207114275 U CN 207114275U
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- condenser pipe
- distilling flask
- structure casing
- sulfur dioxide
- extracting device
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Abstract
The utility model discloses a kind of sulfur dioxide automatic extracting device, it is characterised in that:It includes structure casing, extraction passage and control module;The a plurality of extraction passage is set on the structure casing, and each extraction passage includes distilling flask, condenser pipe and collection vessel;Multigroup acid tube road, peristaltic pump and heating unit built in the structure casing, each distilling flask are placed on each heating unit correspondingly;The arrival end and external connection on the acid tube road, the port of export on the acid tube road connect the distilling flask by the peristaltic pump;The branch pipe of the distilling flask connects the arrival end of the condenser pipe, and the port of export of the condenser pipe connects the collection vessel, and the control module electrically connects the peristaltic pump and heating unit.
Description
Technical field
A kind of sulfur dioxide automatic extracting device is the utility model is related to, belongs to the extractive technique in food analysis field.
Background technology
Sulphite has the effect such as bleaching, anti-corrosion, anti-oxidant, bacteria growing inhibiting, quilt as a kind of food additives
It is widely used in food processing.Commonly used sulfites mainly have sodium sulfite, sodium hydrogensulfite, Hydros,
Sodium pyrosulfite, sulfur dioxide and sulphur etc..But the sulphite of excess intake meeting do harm to huamn body, sulfur dioxide meeting
Respiratory system and digestive system to human body cause certain harm, bigger especially for the harm caused by asthmatic patient,
Somatic mutations can be also induced simultaneously, or even have carcinogenesis.Therefore the monitoring and detection to food, medicine sulfite salt are strengthened
Urgent problem will be turned into.In the measure of GB5009.34-2016 national food safety standard sulfur dioxide in food,
It is required that being acidified, being distilled to sample in closed container, distillation is absorbed with acetic acid lead solution.Solution after absorption is sour again
Change, titration.Whole process needs professional other on duty, one sample of processing generally require to spend laboratory technician more when
Between and energy.
The content of the invention
Automatically extracted in view of the above-mentioned problems, the purpose of this utility model is to provide a kind of sulfur dioxide simple to operate
Device.
To achieve the above object, the utility model uses following technical scheme:A kind of sulfur dioxide automatic extracting device, its
It is characterised by:It includes structure casing, extraction passage and control module;Set a plurality of extraction logical on the structure casing
Road, each extraction passage include distilling flask, condenser pipe and collection vessel;Multigroup acid tube road built in the structure casing,
Peristaltic pump and heating unit, each distilling flask are placed on each heating unit correspondingly;The acid tube road
Arrival end and external connection, the port of export on the acid tube road connect the distilling flask by the peristaltic pump;The distillation is burnt
The branch pipe of bottle connects the arrival end of the condenser pipe, and the port of export of the condenser pipe connects the collection vessel, the control mould
Block electrically connects the peristaltic pump and heating unit.
The structure casing uses hierarchic structure, and multiple ducts, institute are uniformly arranged in the top-side of the structure casing
The port of export for stating acid tube road is connected through the duct with the distilling flask;Set in the first ladder top surface of the structure casing
Multiple hemispheric grooves are put, a heating unit is correspondingly arranged below each groove, the distilling flask is put
Put in the groove;The first geometrical clamp is set on the structure wall box adjacent with the distilling flask, for pair
Clamping is fixed in the distilling flask in heating process;The collection vessel is placed on the second ladder of the structure casing
On, the distilling flask is connected with collection vessel by the condenser pipe;In the structure casing corresponding with the condenser pipe
Second geometrical clamp is set in side wall, clamping is fixed to the condenser pipe.
In condenser pipe built in the structure casing, the condenser pipe forms condensed water water with outside and described condenser pipe
Circulation loop.
Weight sensor is set on the second ladder of the structure casing, and the collection vessel is placed on the weight and passed
On sensor, the weight sensor and heating unit electrically connect with the control module.
In nitrogen pipeline built in the structure casing, nitrogen stream gauge is set in the side wall of the structure casing, it is described
The arrival end of nitrogen pipeline is connected with outside nitrogen cylinder, and the port of export of the nitrogen pipeline is through described on the structure casing
Behind duct the distilling flask is connected through the nitrogen stream gauge.
In the back side sidewall bottom of the structure casing, four the first joints are set;Four first joints respectively with institute
State the arrival end on acid tube road, the arrival end of the nitrogen pipeline, the arrival end of oral siphon in the condenser pipe and described cold
The port of export of outlet pipe in solidifying pipeline connects one to one;Two second are set in the side wall adjacent with the condenser pipe to connect
Head, described two second joints respectively with the water outlet in the port of export and the condenser pipe of the oral siphon in the condenser pipe
The arrival end of pipe connects one to one.
The collection vessel uses iodine flask;The heating unit is heating furnace, and the heating furnace is added using infra-red radiation
Hot mode.
The control module also includes total power switch and control panel, the electricity of the total power switch control whole device
Source break-make, the control panel can show temperature, heat time and the heating power of the heating furnace, and can adjust described
The heating power of heating furnace.
In the detachably connected still head of the entrance of the distilling flask, the acid tube road and nitrogen pipeline pass through the steaming
Evaporate head and stretch into the distilling flask.
The utility model uses above technical scheme, and it has the following advantages that:1st, sulfur dioxide of the present utility model is automatic
Automatically extracting for sulfur dioxide is completed in extraction element, acidifying, distillation, cooling, the collection for controlling sample by control module, entirely
Process operation is simple and convenient.2nd, collection vessel of the present utility model is placed on weight sensor, weight sensor and control module
Electrical connection, when the quality of collection vessel reaches predetermined value, quality signal is converted into electric signal and reaches control mould by weight sensor
Block, control module control heating unit stop heating, improve the automation of whole extraction element and ensure the peace in extraction process
Quan Xing.3rd, nitrogen pipeline built in structure casing of the present utility model, nitrogen stream gauge, nitrogen tube are set in the side wall of structure casing
Road connects distilling flask by nitrogen stream gauge, nitrogen is passed through distilling flask, improves the air pressure of distilling flask, can prevent from receiving
Suck-back occurs for the gas collected in container;Meanwhile the uninterrupted of nitrogen is adjusted to ensure stabilization that nitrogen blows by nitrogen stream gauge
Security.4th, heating unit of the present utility model uses heating furnace, and the control panel of heating furnace is set on structure casing, is passed through
Control panel shows temperature, heat time and the heating power of heating furnace, and can adjust the heating power of heating furnace, Neng Gouti
The controllability of high still-process, facilitates experimenter to operate, and improves the security of extraction element.5th, structure of the present utility model
Acid tube road, condenser pipe and nitrogen pipeline built in casing, each pipeline is by the joint on structure casing with connecting outside structure casing
Connect, make whole device topology layout cheer and bright, facilitate experimenter to operate.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model;
Fig. 2 is side structure schematic view of the present utility model;
Fig. 3 is overlooking the structure diagram of the present utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figures 1 to 3, the utility model includes structure casing 1, extraction passage 2 and control module.In structure casing 1
Upper to set a plurality of extraction passage 2, each extraction passage 2 includes distilling flask 21, condenser pipe 22 and collection vessel 23.Structure case
Multigroup acid tube road, peristaltic pump and heating unit (not shown) built in body 1, each distilling flask 21 are placed on correspondingly
On each heating unit.The arrival end and external connection on acid tube road, the port of export on acid tube road connect distilling flask 21 by peristaltic pump.
The arrival end of the branch pipe connection condenser pipe 22 of distilling flask 21, the port of export connection collection vessel 23 of condenser pipe 22, control module
Electrically connect peristaltic pump and heating unit.
Further, as shown in Figures 1 to 3, structure casing 1 uses hierarchic structure, uniform in the top-side of structure casing 1
Multiple ducts 11 are set, and the port of export on acid tube road is connected through duct 11 with distilling flask 21.In the first rank of structure casing 1
Terraced 12 top surfaces set multiple hemispheric grooves 13, and a heating unit, distilling flask are correspondingly arranged in the lower section of each groove 13
21 are placed in groove 13.Geometrical clamp 14 is set in the side wall of structure casing 1 adjacent with distilling flask 21, for heated
Clamping is fixed in distilling flask 21 in journey, in case distilling flask 21 shakes.Collection vessel 23 is placed on structure casing 1
The second ladder 15 on, distilling flask 21 and collection vessel 23 are connected by condenser pipe 22.With 3 corresponding structure of condenser pipe
Geometrical clamp 14 is also set in the side wall of casing 1, so that clamping is fixed to condenser pipe 22,
Further, as shown in Fig. 2 in condenser pipe (not shown) built in structure casing 1, condenser pipe and outside
And condenser pipe 22 forms cool condensate water-flow circuit.
Further, as shown in Fig. 2 setting weight sensor 3, collection vessel on the second ladder 15 of structure casing 1
23 are placed on weight sensor 3, and weight sensor 3 and heating unit electrically connect with control module, when collection vessel 23
When quality reaches predetermined value, quality signal is converted into electric signal and reaches control module by weight sensor 3, and control module control adds
Hot cell stops heating.
Further, as shown in figure 1, in nitrogen pipeline (not shown) built in structure casing 1, while in structure casing
Nitrogen stream gauge 4 is set in 1 side wall, and the arrival end of nitrogen pipeline is connected with outside nitrogen cylinder, and the port of export of nitrogen pipeline is worn
Cross behind the duct 11 on structure casing 1 and connect distilling flask 21 through nitrogen stream gauge 4, nitrogen is passed through in distilling flask 21 and can carried
Air pressure inside high distilling flask 21, prevent the gas in collection vessel 23 from suck-back occurs;Meanwhile adjusted by nitrogen stream gauge 4
Nitrogen flow is saved, ensures the stable security that nitrogen blows.
Further, as shown in Figure 1, Figure 3, at least four joints 16 are set in the back side sidewall bottom of structure casing 1.Its
In, a joint 16 connection corresponding with the arrival end on acid tube road, a joint 16 connection corresponding with the arrival end of nitrogen pipeline, a joint
16 connections corresponding with the arrival end of the oral siphon in condenser pipe, the port of export of a joint 16 and the outlet pipe in condenser pipe connect
Connect.Go out in the side wall adjacent with condenser pipe 22 at least provided with two joints 17, a joint 17 with the oral siphon in condenser pipe
Mouth end is corresponding to be connected, a joint 17 connection corresponding with the arrival end of the outlet pipe in condenser pipe, in this way, can facilitate knot
Acid tube road and nitrogen pipeline and outside connection built in structure casing 1, and facilitate the condenser pipe built in structure casing 1 and outside
And condenser pipe 22 forms circulation loop.
Further, collection vessel 23 can use iodine flask, the lead acetate absorbing liquid that convenient metering is injected in iodine flask.
Further, heating unit is heating furnace, and heating furnace uses infrared radiation heating mode.
Further, as shown in figure 1, control module also includes total power switch 5 and control panel 6, total power switch 5 is controlled
The on/off of whole device processed, control panel 6 can show temperature, heat time and the heating power of heating furnace, and can
Adjust the heating power of heating furnace.
Further, as shown in Fig. 2 distilling flask 21 the detachably connected still head 7 of entrance, acid tube road and nitrogen
Pipeline stretches into distilling flask 21 by still head 7, and conveniently cleaning is removed in the dismounting of distilling flask 21 after the completion of experiment.
It is of the present utility model as follows using process:After first solid food will be stirred evenly, 5.000g samples, liquid are accurately weighed
Sample takes 5.00~10.00mL, is placed in distilling flask 21, then 250mL water is added into distilling flask 21.By distilling flask 21
Be placed on heating furnace, fixed to clamp distilling flask 21 with geometrical clamp 14, distilling flask 21, condenser pipe 22 and collection vessel 23 according to
Secondary connection, collection vessel 23 use iodine flask, and iodine flask is placed on weight sensor 3, in iodine flask built with 25mL acetic acid
Lead absorbing liquid, the port of export of condenser pipe 22 are inserted under the absorbing liquid liquid level in iodine flask, connect acid tube road, nitrogen pipeline and condensation
Pipeline, open condensed water.Total power switch 5 is opened, the heating power of heating furnace is set by control panel 6.Instrument adds automatically
Acid, lead to nitrogen, distillation and collection, when the solution weight in iodine flask reaches certain value, weight sensor 3 will be by quality signal
It is converted into electric signal and reaches control module, control module control heating furnace stops heating, and the extraction of sulfur dioxide is completed, and removes iodine
Measuring bottle, with the concentration of determination of acid-basetitration sulfur dioxide.To ensure the accuracy of the result of titration, do not have with deionized water rinsing
Enter the subsurface condenser pipe of iodine flask absorbing liquid, then carry out acid base titration.
The utility model is only illustrated with above-described embodiment, and structure, set location and its connection of each part are all can
With what is be varied from.It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model
Improvement or equivalents, should not exclude outside the scope of protection of the utility model.
Claims (9)
- A kind of 1. sulfur dioxide automatic extracting device, it is characterised in that:It includes structure casing, extraction passage and control module; The a plurality of extraction passage is set on the structure casing, and each extraction passage includes distilling flask, condenser pipe and receipts Collect container;Multigroup acid tube road, peristaltic pump and heating unit built in the structure casing, each distilling flask are put correspondingly Put on each heating unit;The arrival end and external connection on the acid tube road, the port of export on the acid tube road pass through described Peristaltic pump connects the distilling flask;The branch pipe of the distilling flask connects the arrival end of the condenser pipe, the condenser pipe The port of export connects the collection vessel, and the control module electrically connects the peristaltic pump and heating unit.
- 2. sulfur dioxide automatic extracting device as claimed in claim 1, it is characterised in that:The structure casing uses ladder knot Structure, multiple ducts are uniformly arranged in the top-side of the structure casing, the port of export on the acid tube road through the duct with The distilling flask connection;Multiple hemispheric grooves are set in the first ladder top surface of the structure casing, each described A heating unit is correspondingly arranged below groove, the distilling flask is placed in the groove;Burnt with the distillation The first geometrical clamp is set on the adjacent structure wall box of bottle, for consolidating to the distilling flask in heating process Clamp is tight;The collection vessel is placed on the second ladder of the structure casing, and the distilling flask and collection vessel pass through The condenser pipe connection;The second geometrical clamp is set on the structure wall box corresponding with the condenser pipe, to described cold Clamping is fixed in solidifying pipe.
- 3. sulfur dioxide automatic extracting device as claimed in claim 2, it is characterised in that:In condensation built in the structure casing Pipeline, the condenser pipe form condensed water water-flow circuit with outside and described condenser pipe.
- 4. sulfur dioxide automatic extracting device as claimed in claim 2, it is characterised in that:In the second-order of the structure casing Weight sensor is set on ladder, and the collection vessel is placed on the weight sensor, and the weight sensor and heating are single Member electrically connects with the control module.
- 5. sulfur dioxide automatic extracting device as claimed in claim 3, it is characterised in that:In nitrogen built in the structure casing Pipeline, sets nitrogen stream gauge in the side wall of the structure casing, and the arrival end of the nitrogen pipeline connects with outside nitrogen cylinder Connect, the port of export of the nitrogen pipeline through behind the duct on the structure casing through described in nitrogen stream gauge connection Distilling flask.
- 6. sulfur dioxide automatic extracting device as claimed in claim 5, it is characterised in that:In the rear side of the structure casing Wall bottom sets four the first joints;Four first joints arrival end with the acid tube road, the nitrogen pipeline respectively Arrival end, the arrival end of oral siphon in the condenser pipe and a pair of the port of export 1 of the outlet pipe in the condenser pipe It should connect;In the side wall adjacent with the condenser pipe, two the second joints are set, described two second joints respectively with it is described cold The port of export of oral siphon and the arrival end of the outlet pipe in the condenser pipe in solidifying pipeline connect one to one.
- 7. sulfur dioxide automatic extracting device as claimed in claim 1 or 2, it is characterised in that:The collection vessel uses iodine Measuring bottle;The heating unit is heating furnace, and the heating furnace uses infrared radiation heating mode.
- 8. sulfur dioxide automatic extracting device as claimed in claim 7, it is characterised in that:The control module also includes total electricity Source switch and control panel, the on/off of the total power switch control whole device, the control panel can show institute Temperature, heat time and the heating power of heating furnace are stated, and the heating power of the heating furnace can be adjusted.
- 9. sulfur dioxide automatic extracting device as claimed in claim 1, it is characterised in that:Can in the entrance of the distilling flask Still head is releasably connected, the acid tube road and nitrogen pipeline stretch into the distilling flask by the still head.
Priority Applications (1)
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CN201720357615.9U CN207114275U (en) | 2017-04-07 | 2017-04-07 | Sulfur dioxide automatic extracting device |
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CN201720357615.9U CN207114275U (en) | 2017-04-07 | 2017-04-07 | Sulfur dioxide automatic extracting device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106872236A (en) * | 2017-04-07 | 2017-06-20 | 北京普立泰科仪器有限公司 | Sulfur dioxide automatic extracting device |
CN109030713A (en) * | 2018-08-13 | 2018-12-18 | 苏州安纳赛分析仪器有限公司 | A kind of integrated form content of sulfur dioxide determining instrument |
-
2017
- 2017-04-07 CN CN201720357615.9U patent/CN207114275U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106872236A (en) * | 2017-04-07 | 2017-06-20 | 北京普立泰科仪器有限公司 | Sulfur dioxide automatic extracting device |
CN106872236B (en) * | 2017-04-07 | 2024-01-26 | 北京普立泰科仪器有限公司 | Sulfur dioxide automatic extraction device |
CN109030713A (en) * | 2018-08-13 | 2018-12-18 | 苏州安纳赛分析仪器有限公司 | A kind of integrated form content of sulfur dioxide determining instrument |
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