CN216525634U - Special grease acid value of food detects with accurate titration outfit - Google Patents
Special grease acid value of food detects with accurate titration outfit Download PDFInfo
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- CN216525634U CN216525634U CN202122445326.3U CN202122445326U CN216525634U CN 216525634 U CN216525634 U CN 216525634U CN 202122445326 U CN202122445326 U CN 202122445326U CN 216525634 U CN216525634 U CN 216525634U
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- solution bottle
- burette
- heat preservation
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Abstract
The utility model discloses a precise titration device for detecting the acid value of special oil for food, which comprises an insulation can, a solution bottle, an alkaline solution bottle and a burette, an accommodating chamber is arranged in the incubator, a solution bottle, a peristaltic pump and an alkaline solution bottle are arranged in the accommodating chamber at intervals, one side of the peristaltic pump is connected with the bottom of the alkaline solution bottle through a connecting pipe, the other side of the peristaltic pump is connected with the burette through a telescopic connecting pipe, the end part of the burette extends into the solution bottle, the base is arranged outside the heat preservation box, the upright post is arranged at the top of the base, one side of the top of the upright post is fixedly connected with a hydraulic cylinder, one side of the hydraulic cylinder is connected with a first telescopic sleeve rod, the top of the first telescopic loop bar is provided with a micro motor, the bottom of the micro motor is connected with a rotating shaft through a coupler, and the bottom of the rotating shaft is fixedly connected with a stirring blade. This special grease acid value of food detects uses accurate titration outfit titration precision height, and personnel low in labor strength.
Description
Technical Field
The utility model relates to the technical field of food detection experimental equipment, in particular to a precise titration device for detecting the acid value of special oil for food.
Background
Acid number refers to the free fatty acid content of the vegetable oil expressed in milligrams of neutralized potassium hydroxide per gram of oil (mgKOH/g). The detection of the acid value can reflect whether the oil is acid or not and the rancidity degree, and is one of indexes for measuring the quality of the oil, and poisoning symptoms can be caused if the rancid oil is eaten. At present, two methods are available for detecting acid value: titration and rapid methods, rapid methods are based on titration. General procedure of titration: firstly, preparing a plurality of reagents, dissolving and diluting the oil to be detected, adding a color change indicator (generally phenolphthalein), then adding alkali for titration, and determining the titration end point at the moment when the oil to be detected turns red from yellow. Most of the existing titration methods adopt a manual titration mode to perform titration detection, phenolphthalein indicator liquid is added, the pH value is judged by observing the color change of the solution through naked eyes, the volume of a titration reagent needs to be read manually, and errors are easily generated by manual observation and reading.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides the accurate titration device for detecting the acid value of the special oil for food, has high titration accuracy and low labor intensity of personnel, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a precise titration device for detecting the acid value of special oil for food comprises an insulation can, a solution bottle, an alkaline solution bottle and a burette, wherein an interlayer is arranged in the wall of the insulation can, a heating pipe is uniformly arranged at the bottom of the interlayer, an accommodating chamber is arranged in the insulation can, a rubber pad is arranged at the bottom of the accommodating chamber, the solution bottle, a peristaltic pump and the alkaline solution bottle are arranged at the top of the rubber pad at intervals, one side of the peristaltic pump is connected with the bottom of the alkaline solution bottle through a connecting pipe, the other side of the peristaltic pump is connected with the burette through a telescopic connecting pipe, a control valve is arranged on the burette, the end part of the burette extends into the solution bottle, a base is arranged outside the insulation can, a stand column is arranged at the top of the base, a hydraulic cylinder is fixedly connected to one side of the top of the stand column, a first telescopic sleeve rod is connected to one side of the hydraulic cylinder, and a micro motor is arranged at the top of the first telescopic sleeve rod, the bottom of the micro motor is connected with a rotating shaft through a coupler, the bottom of the rotating shaft is fixedly connected with stirring blades, the stand column is connected with a second telescopic sleeve rod through a snap ring, the end part of the second telescopic sleeve rod is connected with a PH electrode through a connecting rod, and the PH electrode and the stirring blades are both located inside the solution bottle.
Furthermore, a controller is arranged on the front side of the outer portion of the heat insulation box.
Furthermore, the controller is respectively and electrically connected with a control valve, a peristaltic pump and a heating pipe on the burette.
Furthermore, the interlayer in the wall of the heat-insulating box is filled with heat-insulating materials.
Furthermore, the clamping ring is fixed on the upright post through a fastening bolt.
Further, the rotating shaft can be freely separated from the coupler.
Furthermore, a movable cover body is arranged at the top of the heat insulation box.
Compared with the prior art, the utility model has the beneficial effects that: according to the accurate titration device for detecting the acid value of the special oil for food, the potential of the solution in the solution bottle is detected through the PH electrode to determine the titration end point, and the judgment is carried out without manually observing the color change of the phenolphthalein indicator, so that the detection accuracy is greatly improved; through PH electrode with signal transmission to controller, work through controller control peristaltic pump, carry out the titration of alkali lye, the volume of the control valve on the buret can accurate control instils into alkaline solution, and need not artifically control and titrate, confirm the titration terminal point according to the pH electrode at last, control test environment temperature through setting up the heating pipe, guarantee the accuracy of PH electrode test, stir test solution through setting up stirring vane, improve efficiency of software testing, the PH electrode simultaneously, the pivot is detachable, improve the practicality of device, the device test accuracy is high, and high durability and convenient use, personnel low in labor strength.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the external structure of the incubator of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1 insulation can, 2 solution bottle, 3 alkali liquor bottle, 4 heating tube, 5 rubber pad, 6 peristaltic pump, 7 flexible connecting tube, 8 buret, 9 base, 10 upright post, 11 hydraulic cylinder, 12 flexible loop bar I, 13 micro motor, 14 shaft coupling, 15 rotating shaft, 16 stirring vane, 17 snap ring, 18 flexible loop bar II, 19PH electrode, 20 lid, 21 controller, 22 fastening bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: a precise titration device for detecting the acid value of special grease for food comprises an insulation can 1, a solution bottle 2, an alkali liquor bottle 3 and a titration tube 8, wherein an interlayer is arranged in the wall of the insulation can 1, heating pipes 4 are uniformly arranged at the bottom of the interlayer, an accommodating chamber is arranged inside the insulation can 1, a rubber pad 5 is arranged at the bottom of the accommodating chamber, the solution bottle 2, a peristaltic pump 6 and the alkali liquor bottle 3 are arranged at intervals at the top of the rubber pad 5, one side of the peristaltic pump 6 is connected with the bottom of the alkali liquor bottle 3 through a connecting pipe, the other side of the peristaltic pump 6 is connected with the titration tube 8 through a telescopic connecting pipe 7, a control valve is arranged on the titration tube 8, the end part of the titration tube 8 extends into the solution bottle 2, a base 9 is arranged outside the insulation can 1, a stand column 10 is arranged at the top of the base 9, a hydraulic cylinder 11 is fixedly connected to one side of the top of the stand column 10, a telescopic sleeve rod 12 is connected to one side of the hydraulic cylinder 11, and a micro motor 13 is arranged at the top of the telescopic sleeve rod 12, the bottom of micro motor 13 is connected with pivot 15 through shaft coupling 14, and pivot 15 bottom fixedly connected with stirring vane 19 is connected with two flexible loop bars 18 through snap ring 17 on the stand 10, and the tip of two flexible loop bars 18 is connected with PH electrode 19 through the connecting rod, and PH electrode 19 and stirring vane 16 all are located inside solution bottle 2.
Further, a controller 21 is arranged on the front surface of the outer part of the heat preservation box 1.
Further, the controller 21 is electrically connected to the control valve on the burette 8, the peristaltic pump 6 and the heating tube 4, respectively.
Furthermore, the interlayer in the wall of the heat preservation box 1 is filled with heat preservation materials.
Further, the snap ring 17 is fixed to the column 10 by a fastening bolt 22.
Further, the rotating shaft 15 can be freely separated from the coupling 14.
Further, a movable cover body 20 is arranged at the top of the heat preservation box 1.
When in use: putting the solution to be detected into the solution bottle 2, controlling the heating pipe 4 to work, keeping the temperature in the heat insulation box 1 within a set range, fixing the snap ring 17 on the upright post 10 through the fixed fastening bolt 22, positioning the PH electrode in the solution bottle 2, fixedly connecting the rotating shaft 15 with the coupling 14, then driving the stirring blade 16 to rotate through controlling the micro motor 13 to work to stir the solution in the solution bottle 2, transmitting a signal to the controller 21 through the PH electrode 19, controlling the peristaltic pump 6 to work through the controller 21, conveying the alkali liquor in the alkali liquor bottle 3 to the burette 8, controlling the titration amount through the control valve on the burette 8, finally determining the titration end point according to the pH electrode 19, determining the titration amount according to the flow of the burette 8 and feeding back to the controller 21, adjusting the positions of the stirring blade 16 and the PH electrode 19 through the first telescopic sleeve rod 12 and the second telescopic sleeve rod 18, the practicality of the device is improved, and the detachable design of the rotating shaft 15, the PH electrode 19 and the burette 8 is beneficial to cleaning and arranging for storage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special grease acid value of food detects uses accurate titration outfit, includes insulation can (1), solution bottle (2), alkali lye bottle (3), buret (8), its characterized in that: an interlayer is arranged in the wall of the heat preservation box (1), heating pipes (4) are uniformly arranged at the bottom of the interlayer, a containing chamber is arranged in the heat preservation box (1), a rubber pad (5) is arranged at the bottom of the containing chamber, solution bottles (2), peristaltic pumps (6) and alkali liquor bottles (3) are placed at intervals at the top of the rubber pad (5), one side of each peristaltic pump (6) is connected with the bottom of each alkali liquor bottle (3) through a connecting pipe, the other side of each peristaltic pump (6) is connected with a burette (8) through a telescopic connecting pipe (7), a control valve is arranged on each burette (8), the end of each burette (8) extends into the solution bottle (2), a base (9) is arranged outside the heat preservation box (1), a stand column (10) is arranged at the top of the base (9), and a hydraulic cylinder (11) is fixedly connected to one side of the top of the stand column (10), one side of pneumatic cylinder (11) is connected with flexible loop bar (12), the top of flexible loop bar (12) is equipped with micro motor (13), the bottom of micro motor (13) is connected with pivot (15) through shaft coupling (14), pivot (15) bottom fixedly connected with stirring vane, be connected with flexible loop bar two (18) through snap ring (17) on stand (10), the tip of flexible loop bar two (18) is connected with PH electrode (19) through the connecting rod, PH electrode (19) and stirring vane (16) all are located inside solution bottle (2).
2. The accurate titration device for detecting the acid value of the special oil and fat for food according to claim 1, wherein: the controller (21) is arranged on the front surface of the outer part of the heat preservation box (1).
3. The accurate titration device for detecting the acid value of the special oil and fat for food according to claim 2, wherein: the controller (21) is respectively and electrically connected with the control valve on the burette (8), the peristaltic pump (6) and the heating pipe (4).
4. The accurate titration device for detecting the acid value of the special oil and fat for food according to claim 1, wherein: and an interlayer in the wall of the heat preservation box (1) is filled with heat preservation materials.
5. The accurate titration device for detecting the acid value of the special oil and fat for food according to claim 1, wherein: the snap ring (17) is fixed on the upright post (10) through a fastening bolt (22).
6. The accurate titration device for detecting the acid value of the special oil and fat for food according to claim 1, wherein: the rotating shaft (15) can be freely separated from the coupling (14).
7. The precision titration device for detecting the acid value of the special oil and fat for food according to any one of claims 1 to 6, wherein: the top of the heat preservation box (1) is provided with a movable cover body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445326.3U CN216525634U (en) | 2021-10-12 | 2021-10-12 | Special grease acid value of food detects with accurate titration outfit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445326.3U CN216525634U (en) | 2021-10-12 | 2021-10-12 | Special grease acid value of food detects with accurate titration outfit |
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| CN216525634U true CN216525634U (en) | 2022-05-13 |
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| CN202122445326.3U Active CN216525634U (en) | 2021-10-12 | 2021-10-12 | Special grease acid value of food detects with accurate titration outfit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116381128A (en) * | 2023-05-29 | 2023-07-04 | 安徽三杨食品有限公司 | Fried food acid value index sampling detection device |
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2021
- 2021-10-12 CN CN202122445326.3U patent/CN216525634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116381128A (en) * | 2023-05-29 | 2023-07-04 | 安徽三杨食品有限公司 | Fried food acid value index sampling detection device |
| CN116381128B (en) * | 2023-05-29 | 2023-08-11 | 安徽三杨食品有限公司 | Fried food acid value index sampling detection device |
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