CN219417364U - Automatic potentiometric titrator reaction vessel clamp with heating function - Google Patents
Automatic potentiometric titrator reaction vessel clamp with heating function Download PDFInfo
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- CN219417364U CN219417364U CN202320085295.1U CN202320085295U CN219417364U CN 219417364 U CN219417364 U CN 219417364U CN 202320085295 U CN202320085295 U CN 202320085295U CN 219417364 U CN219417364 U CN 219417364U
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- heating plate
- upper cover
- base
- resistance type
- type ceramic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 40
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000004448 titration Methods 0.000 abstract description 29
- 239000002585 base Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000006479 redox reaction Methods 0.000 abstract description 2
- 230000020477 pH reduction Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000002479 acid--base titration Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000954 titration curve Methods 0.000 description 1
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
An automatic potentiometric titrator reaction container clamp with a heating function belongs to the technical field of automatic potentiometric titrator equipment and is used for heating an automatic potentiometric titrator reaction container. The technical proposal is as follows: the buret mouth, the sensor mouth and the pressure release exhaust port are sequentially arranged along the diameter of the upper cover, the sensor mouth is positioned at the middle position, the base is a torus, an inward-protruding annular heating plate platform is arranged on the inner wall of the lower end of the torus of the base, the resistance type ceramic heating plate is positioned in the torus of the base, the bottom surface of the circumference of the resistance type ceramic heating plate is placed on the annular heating plate platform, and a heat dissipation through hole is arranged in the center of the annular heating plate platform of the base. The utility model has simple structure and convenient use, realizes titration experiments under special environments such as heating (80-200 ℃), stirring of turbid liquid and the like, has the characteristics of acid and alkali corrosion resistance, stable heating signals, full reaction and the like, and can obtain more accurate data in the PH and oxidation reduction reaction process.
Description
Technical Field
The utility model relates to a clamp of an automatic potentiometric titrator reaction container, and belongs to the technical field of automatic potentiometric titrator equipment.
Background
The automatic potentiometric titrator is a common instrument for analysis according to the principle of potentiometry, and can complete automatic titration of a solution, real-time reading of a PH value, automatic judgment of a titration end point, titrate the solution to be measured through a standard solution and realize measurement of components of the solution to be measured. The potentiometric titrator is widely applied in the field of chemical detection, compared with manual titration, the automatic potentiometric titrator can reduce a large amount of labor force, save time, reduce subjective errors of manually judging the endpoint and greatly improve detection efficiency.
Along with the development of industrial production, the special environments to be met by acid-base titration test are more and more, such as high temperature and corrosion resistance, in the metallurgical industry, in order to determine the quality of raw materials, when the content of calcium in raw materials and auxiliary materials of the calcium-containing alloy is determined by a potentiometric titration method, the calcium-containing alloy needs to be fully dissolved in a solvent of glycerol and ethylene glycol, the reaction condition is required to be carried out at a temperature above 80 ℃, and in the titration process with a standard titration solution, the pH value of the reaction solvent is difficult to distinguish through an indicator to judge the titration end point because of turbidity of the solution, and meanwhile, the calcium-containing alloy is difficult to be dissolved in an organic solvent, so that experimental data are inaccurate.
The existing titrator is used for measuring acid-base titration at normal temperature or in a certain environment, the clamp structure of the existing titrator mainly comprises an upper cover and a base, the upper cover is provided with a sensor port and a titration pipe orifice, the sensor port and the titration pipe orifice are distributed in a circular ring, and the distribution mode is easy to cause potential value fluctuation in the titration process to influence a titration curve; the base is a cylindrical platform, can be used for placing a reaction container, cannot realize a heating function, and if the solution has certain corrosiveness and the reaction temperature is slightly higher, the clamp is easy to deform.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the automatic potentiometric titrator reaction vessel clamp with the heating function, which can realize the heating function, and can realize the acid-base determination under certain special environmental requirements, such as a high-temperature reaction environment below 200 ℃, strong acid and alkali corrosion resistance, a turbid liquid stirring environment and the like, while meeting the general titration process, so that the PH of a reaction solvent can be determined in real time.
The technical scheme for solving the technical problems is as follows:
the utility model provides an automatic potentiometric titrator reaction vessel anchor clamps with heating function, it includes the upper cover, a pedestal, the upper cover is circular, the upper cover has titration orifice, the sensor mouth, the upper cover is placed in the top of reaction vessel, reaction vessel's lower extreme is placed on the base, its improvement is, the upper cover has increased the pressure release gas vent, titration orifice, sensor mouth and pressure release gas vent are arranged along the diameter order of upper cover, the sensor mouth is located the intermediate position, the base is the ring body, there is the annular heating piece platform of inwards protruding on the ring body lower extreme inner wall of base, resistance type ceramic heating piece is located the ring body of base, the circumference bottom surface of resistance type ceramic heating piece is placed on annular heating piece platform, the annular heating piece platform center of base has the heat dissipation through-hole.
Above-mentioned automatic potentiometric titrator reaction vessel anchor clamps with heating function, the lower bottom surface circumference edge of upper cover has annular upper cover recess, and upper cover recess is relative with the upper end circular mouth of reaction vessel, and the upper end circular mouth of reaction vessel imbeds in the upper cover recess.
Above-mentioned automatic potentiometre reaction vessel anchor clamps with heating function, there are heating plate through wires hole, viewing aperture and thermocouple mounting hole on the body wall of the torus of base respectively, the wire one end of resistance type ceramic heating plate is connected with resistance type ceramic heating plate through the heating plate through wires hole, and the wire other end of resistance type ceramic heating plate is connected with resistance type ceramic heating plate's heating control switch, installs the thermocouple in the thermocouple mounting hole, and the wire of thermocouple is connected with heating control switch.
The beneficial effects of the utility model are as follows:
the pressure relief vent is additionally arranged on the upper cover, so that the pressure relief vent is used for relieving the pressure of the solution during high-temperature reaction, and the damage of the reaction container caused by the overhigh temperature in the heating process is prevented; the titration pipe orifice, the sensor orifice and the pressure relief vent are arranged in a straight line on the upper cover, and the sensor orifice is arranged at the middle position, so that data instability in the titration process is avoided by the distribution, and the measurement data is more accurate; the heat dissipation through holes of the base are beneficial to heat dissipation at the bottom of the resistance type ceramic heating plate, so that the plastic base is prevented from melting and deforming; the thermocouple installation hole can be used for installing a thermocouple to measure the heating temperature; the observation port can clearly observe the reaction state at low temperature and observe the titration process in real time.
The utility model has simple structure and convenient use, realizes titration experiments under special environments such as heating (80-200 ℃), stirring of turbid liquid and the like, has the characteristics of acid and alkali corrosion resistance, stable heating signals, sufficient reaction and the like, can obtain more accurate data in the measurement of PH and redox reaction processes, is easy to replace and clean, and has good market popularization prospect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the upper cover;
FIG. 3 is a structural cross-sectional view of the base;
fig. 4 is a schematic view of the installation location of the present utility model.
The figures are labeled as follows: the device comprises an upper cover 1, a base 2, a reaction container 3, a titration pipe orifice 4, a sensor orifice 5, a pressure relief exhaust orifice 6, an upper cover groove 7, a heating plate platform 8, a heat dissipation through hole 9, a heating plate threading hole 10, an observation port 11, a titration pipe 12, a catheter 13, a sensor 14, a titrator main body 15, a resistor ceramic heating plate 16, a thermocouple mounting hole 17 and a thermocouple 18.
Description of the embodiments
The utility model consists of an upper cover 1, a base 2 and a thermocouple 18.
Fig. 1, 2 and 4 show that the upper cover 1 is circular, the upper cover 1 is provided with a titration orifice 4, a sensor orifice 5 and a pressure relief exhaust port 6, the titration orifice 4, the sensor orifice 5 and the pressure relief exhaust port 6 are sequentially arranged along the diameter of the upper cover 1, and the sensor orifice 5 is positioned at a middle position.
The burette port 4 is used for placing a burette pipe 13, the burette pipe 13 is connected with a burette pipe 12, the burette pipe 12 is arranged on a titrator main body 15, and the burette pipe 12 drops a standard titration solution into the reaction container 3 through the burette pipe 13. The sensor port 5 is used for placing a sensor 14 to measure the PH value (or potential value) and the temperature of the solution, and the PH information and the temperature information in the reaction vessel 3 are collected in real time and fed back to the titrator. The pressure release exhaust port 6 is used for releasing the pressure of the solution during the high-temperature reaction, so as to prevent the damage of the reaction vessel caused by the overhigh temperature in the heating process.
Fig. 2 shows that the circumferential edge of the lower bottom surface of the upper cover 1 has a circular upper cover groove 7, the upper cover groove 7 is opposite to the upper end circular opening of the reaction vessel 3, and the upper end circular opening of the reaction vessel 3 is embedded into the upper cover groove 7. The upper cover groove 7 can press the reaction vessel 3, so that the sensor 14 can be stably placed on the reaction vessel 3 without tilting.
Fig. 1, 3 and 4 show that the base 2 is a torus, an annular heating plate platform 8 protruding inwards is arranged on the inner wall of the lower end of the torus of the base 2, the resistance type ceramic heating plate 16 is positioned in the torus of the base 2, the circumferential bottom surface of the resistance type ceramic heating plate 16 is placed on the annular heating plate platform 8, and the center of the annular heating plate platform 8 of the base 2 is provided with a heat dissipation through hole 9. The function of the heating plate platform 8 is to place the resistive ceramic heating plate 16, the resistive ceramic heating plate 16 is suitable for the test condition with the highest temperature of 200 ℃, and the diameter of the heating plate platform 8 is adjusted based on the diameter of the resistive ceramic heating plate 16. The heat dissipation through hole 9 of base is mainly used to facilitate the heat dissipation of the bottom of the resistance ceramic heating plate 16, and prevent the plastic base from melting and deforming.
Fig. 1, 3 and 4 show that the wall of the torus of the base 2 is provided with a heating plate threading hole 10 and an observation port 11. One end of a wire of the resistance type ceramic heating plate 16 is connected with the resistance type ceramic heating plate 16 through a heating plate threading hole 10, the other end of the wire of the resistance type ceramic heating plate 15 is connected with a heating control switch of the resistance type ceramic heating plate 16, and the heating plate threading hole 10 is used for controlling equipment to be heated and opened and closed. The observation port 11 can clearly observe the reaction state, such as the liquid level position in the container, the height position of the sensor 14, the stirring state and the like, and observe the titration process in real time.
Fig. 1 and 3 show that the body wall of the torus of the base 2 is provided with a thermocouple installation hole 17, a thermocouple 18 is installed in the thermocouple installation hole 17, and a wire of the thermocouple 18 is connected with a heating control switch. The thermocouple 18 can measure the heating temperature and control the resistive ceramic heater chip 16 to turn on.
The utility model adopts the following steps in the analysis of the calcium content in the calcium-containing alloy of the steelmaking raw and auxiliary materials:
1. preparing a sample to be tested and a standard titration solution;
2. the sample to be tested is heated by using the fixture, so that calcium oxide in the calcium-containing alloy is fully dissolved in the mixed solution of glycerol and ethylene glycol, and the reaction is easier to fully proceed;
3. automatically titrating a sample to be tested by using a standard titration solution;
5. when the titration is completed, the potentiometric titrator automatically determines the titration end point and gives a calculation result according to the volume of the consumed titration solution.
One embodiment of the utility model is as follows:
the diameter of the upper cover 1 is 80mm, the diameter of the titration orifice 4 is 5mm, the diameter of the sensor orifice 5 is 10mm, the diameter of the pressure relief vent 6 is 3mm, the diameter of the upper cover groove 7 is 80mm, and the depth is 30mm;
the diameter of the base 2 is 100mm, the height is 30mm, the diameter of the heat dissipation through hole 9 is 50mm, the diameter of the heating plate threading hole 10 is 3mm, and the diameter of the observation port 11 is 10mm;
the diameter of the resistive ceramic heating plate 16 is 70mm;
the model of the thermocouple 18 is a K-type thermocouple;
the model of the automatic potentiometric titrator is a ca-100 calcium content detector.
Claims (3)
1. The utility model provides an automatic potentiometric titrator reaction vessel anchor clamps with heating function, it includes upper cover (1), base (2), and upper cover (1) are circular, and upper cover (1) have buret mouth (4), sensor mouth (5), and upper cover (1) are placed in the top of reaction vessel (3), and the lower extreme of reaction vessel (3) is placed on base (2), its characterized in that: the upper cover (1) has increased pressure release gas vent (6), buret mouth (4), sensor mouth (5) and pressure release gas vent (6) are arranged along the diameter order of upper cover (1), sensor mouth (5) are located the intermediate position, base (2) are the torus, inwards bellied annular heating plate platform (8) have on the torus lower extreme inner wall of base (2), resistance type ceramic heating plate (16) are located the torus of base (2), the circumference bottom surface of resistance type ceramic heating plate (16) is placed on annular heating plate platform (8), annular heating plate platform (8) center of base (2) has heat dissipation through-hole (9).
2. The automatic potentiometric titrator reaction vessel fixture with heating function according to claim 1, wherein: the circumference edge of the lower bottom surface of the upper cover (1) is provided with a circular upper cover groove (7), the upper cover groove (7) is opposite to the upper end circular opening of the reaction container (3), and the upper end circular opening of the reaction container (3) is embedded into the upper cover groove (7).
3. The automatic potentiometric titrator reaction vessel fixture with heating function according to claim 1, wherein: the wall of the torus of the base (2) is respectively provided with a heating plate threading hole (10), an observation port (11) and a thermocouple mounting hole (17), one end of a wire of the resistance type ceramic heating plate (16) is connected with the resistance type ceramic heating plate (16) through the heating plate threading hole (10), the other end of the wire of the resistance type ceramic heating plate (16) is connected with a heating control switch of the resistance type ceramic heating plate (16), a thermocouple (18) is mounted in the thermocouple mounting hole (17), and the wire of the thermocouple (18) is connected with the heating control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320085295.1U CN219417364U (en) | 2023-01-30 | 2023-01-30 | Automatic potentiometric titrator reaction vessel clamp with heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320085295.1U CN219417364U (en) | 2023-01-30 | 2023-01-30 | Automatic potentiometric titrator reaction vessel clamp with heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417364U true CN219417364U (en) | 2023-07-25 |
Family
ID=87233895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320085295.1U Active CN219417364U (en) | 2023-01-30 | 2023-01-30 | Automatic potentiometric titrator reaction vessel clamp with heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219417364U (en) |
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2023
- 2023-01-30 CN CN202320085295.1U patent/CN219417364U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: No.385, South TIYU street, Shijiazhuang City, Hebei Province Patentee after: HBIS Co.,Ltd. Country or region after: China Patentee after: Hebei Hegang Material Technology Research Institute Co.,Ltd. Address before: No.385, South TIYU street, Shijiazhuang City, Hebei Province Patentee before: HBIS Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |