Automatic detection device for content of effective calcium oxide and magnesium oxide in lime

Abstract

The utility model discloses an automatic detection device for the content of effective calcium oxide and magnesium oxide in lime. The automatic detection device comprises a support, an oscillator, a plurality of heating devices, a cooling mechanism and a titration test mechanism, the plurality of heating devices are supported on the oscillator; the cooling mechanism comprises a cooling water container and a plurality of cooling containers; the titration test mechanism comprises a plurality of reagent containers, a distilled water container and a plurality of sample containers, the reagent containers and the distilled water container are fixed at the upper end of the supporting plate side by side, and the sample containers are respectively arranged in the cooling containers. The automatic titration device can realize automatic heating, automatic cooling, automatic titration and automatic determination of a titration end point of a lime sample, and can automatically calculate and output a detection result through the interaction controller, so that the operation is time-saving and labor-saving, the working efficiency is high, the standardization and immobilization of a titration program can be realized, the judgment consistency of the titration end point is improved, personal errors are reduced, and the working efficiency is improved. Therefore, the accuracy of detection data is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a detection device of calcium magnesium content in lime, especially an automatic detection device of effective calcium oxide and magnesium oxide content in lime, belong to chemical test detection equipment technical field. BACKGROUND

[0002] Lime is a kind of commonly used building material, mainly used for making lime stabilized soil, wall painting etc. The content of effective calcium oxide and magnesium oxide in lime is an important index of lime, which is used to evaluate the quality of lime. Highway engineering industry standard JTG / T F20-2015 "Technical Details of Highway Pavement Base Construction" divides lime into three grades of different quality according to the content of effective calcium oxide and magnesium oxide in lime, and the construction engineering related design documents also specify the quality grade standard of lime raw material, so as to provide basis for lime selection.

[0003] The highway engineering industry standard JTG 3441-2024 "Test Code for Inorganic Binder Stabilized Materials in Highway Engineering" stipulates a simple determination method of effective calcium oxide and magnesium oxide content in lime, but the method has many operation steps, needs artificial control of titration speed, visual judgment of color change and accurate timing, which not only takes a long time for test and has low work efficiency, but also has large influence of artificial factors on detection results, large error and inaccurate detection results. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an automatic detection device of effective calcium oxide and magnesium oxide content in lime, which has simple structure, saves time and effort in operation, high test efficiency and accurate test results.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model discloses an automatic detection device of effective calcium oxide and magnesium oxide content in lime, including vertically arranged support, oscillator, a plurality of heating equipment, cooling mechanism and titration test mechanism, the oscillator is located one side of support, and a plurality of heating equipment are fixed and supported on the oscillator side by side, the cooling mechanism includes cooling water container and a plurality of cooling containers, and the cooling water container is supported on one side of the upper end baffle of support, and a plurality of cooling containers are fixed and supported on corresponding heating equipment respectively, and the cooling container and heating equipment are integrally structured, and the bottom of cooling container is equipped with temperature sensor, and one end of a plurality of cooling water pipes is communicated with a plurality of water outlets in the bottom of cooling water container respectively, and the other end of a plurality of cooling water pipes leads to corresponding cooling container respectively, the titration test mechanism includes a plurality of reagent containers, distilled water container and a plurality of sample containers, a plurality of reagent containers and distilled water container are supported on the upper end baffle of support side by side, and a plurality of sample containers are arranged in cooling container respectively, and the bottom recess of sample container is sleeved with temperature sensor, and a plurality of liquid outlets in the bottom of reagent container are communicated with a plurality of titration needle heads on the integrated stopper of a plurality of sample containers respectively through reagent conveying pipe, and a plurality of water outlets in the bottom of distilled water container are communicated with water injection pipes on the integrated stopper of a plurality of sample containers respectively through reagent conveying pipe.

[0007] The purpose of the utility model can be further realized through the following technical measures.

[0008] The preceding automatic detection device of effective calcium oxide and magnesium oxide content in lime, wherein the liquid outlet in the bottom of reagent container and the water outlet in the bottom of distilled water container are respectively provided with titration controllers, the water outlets in the bottom of cooling water container are respectively provided with cooling water injection controllers, and the titration controllers and cooling water injection controllers are respectively supported on the steps of the upper end of support.

[0009] The preceding automatic detection device of effective calcium oxide and magnesium oxide content in lime, wherein one side of the bottom of cooling container is provided with a drain, the drain is provided with a drain controller, and one side of cooling container is further provided with a color sensor and lighting equipment.

[0010] The preceding automatic detection device of effective calcium oxide and magnesium oxide content in lime, wherein the stopper of sample container is an integrated stopper, and the integrated stopper is provided with a plurality of titration needles, a funnel and a water injection pipe.

[0011] The preceding automatic detection device of effective calcium oxide and magnesium oxide content in lime, wherein one side of the upper end of support is provided with an interactive controller.

[0012] The utility model discloses a lime sample automatic heating, automatic cooling, automatic titration, automatic determination of titration end point, and through the interactive controller according to the input sample quality and hydrochloric acid standard solution consumption automatic calculation output detection result, not only simple structure, it is time -saving and labor -saving to operate, can effectively reduce the test personnel participation, alleviate the test personnel labor, improve work efficiency greatly, and can realize titration program standardization, immobilization, improve the consistency of titration end point judgement, reduce artificial error, thereby improve the accuracy of detection data, and the automatic detection level is high.

[0013] The advantages and features of the utility model will be illustrated and explained through the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 The left view of DETAILED DESCRIPTION

[0016] The utility model will be further described below with reference to the drawings and examples.

[0017] As Figure 1 And Figure 2 The utility model discloses a vertical support 1, oscillator 2, two heating equipment 3, cooling mechanism 4 and titration test mechanism 5 are shown, one side of the upper end of support 1 is equipped with interactive controller 6, and the operation system built-in interactive controller 6 has titration program selection, sample quality input, detection result output and other functions.Oscillator 2 is located on one side of support 1, and two heating equipment 3 are supported on oscillator 2 by fastener and are fixed side by side.Oscillator 2 can adjust the oscillation amplitude and frequency, and the opening and closing of oscillator 2 are controlled by interactive controller 6 according to the selected test program.Heating equipment 3 is used in cooperation with temperature sensor 43, and the liquid temperature in sample container 53 is sensed by temperature sensor 43, and the opening and closing of heating equipment 3 are controlled by interactive controller 6 according to the sensed liquid temperature.

[0018] The cooling mechanism 4 comprises a cooling water container 41 supported on the right side of the upper end partition plate 11 of the support 1 and two cooling containers 42 respectively welded and fixed on the corresponding heating devices 3, the cooling container 42 is welded into an integral structure with the heating device 3, the bottom of the cooling container 42 is provided with a temperature sensor 43, one end of two cooling water pipes 44 respectively communicates with two water outlets at the bottom of the cooling water container 41, and the other end of the two cooling water pipes 44 respectively leads to the corresponding cooling container 42. The water outlet at the bottom of the cooling water container 41 is respectively provided with a cooling water injection controller 45 for controlling the injection amount of the cooling water, and the cooling water injection controller 45 is supported on the step 12 at the upper end of the support 1. The bottom of the cooling container 42 is provided with a water outlet 46 on one side, and the water outlet 46 is provided with a water discharge controller 47, the water discharge controller 47 can control the water discharge time, and the water can be injected and discharged multiple times during cooling, so that the sample cooling is accelerated. Once quantitative injection and once water discharge are a cooling cycle, and the cooling mechanism 4 can be cooled multiple times. The cooling container 42 is also provided with a color sensor 48 and an illuminating device 49 on one side, the color sensor 47 can sense the color change of the sample solution in the sample container 53 and transmit the color change to the interactive sensor. The illuminating device 49 is automatically turned on during titration, and the color sensor 48 is assisted to judge the color.

[0019] The titration test mechanism 5 comprises two reagent containers 51, a distilled water container 52 and two sample containers 53, the two reagent containers 51 and the distilled water container 52 are supported side by side on the partition plate 11 at the upper end of the support 1, and the reagent container 51 is respectively injected with a phenolphthalein indicator and a hydrochloric acid standard solution. The two sample containers 53 are respectively arranged in the cooling containers 42, the bottom groove of the sample container 53 sleeves the temperature sensor 43, and the bottle plug of the sample container 53 is an integrated bottle plug, and the integrated bottle plug is provided with two titration needles 54, a funnel 55 and a water injection pipe 56. Two liquid outlets at the bottom of the reagent container 51 respectively communicate with the two titration needles 54 on the integrated bottle plug of the two sample containers 53 through reagent conveying pipes 57, and two water outlets at the bottom of the distilled water container 52 respectively communicate with the water injection pipes 56 on the integrated bottle plug of the two sample containers 53 through the reagent conveying pipes 57. The liquid outlet at the bottom of the reagent container 51 and the water outlet at the bottom of the distilled water container 52 are respectively provided with titration controllers 58, and the titration controllers 58 are respectively supported on the step 11 at the upper end of the support 1, and the titration controllers 58 have flow control function and flow meter function. The number of the reagent containers 51 of the utility model is not limited to two, and the number of the titration needles 54 is also not limited to two.

[0020] The test process of the utility model is as follows:

[0021] 1) The test operator respectively adds a phenolphthalein indicator and a hydrochloric acid standard solution into the reagent container 51, adds newly boiled and cooled distilled water into the distilled water container 52, and adds cooling water into the cooling water container 41;

[0022] 2) Weigh the specified lime sample mass m, pour the lime sample into the sample container 53 respectively, add ten glass beads, then place the sample container 53 in the fixed position in the cooling container 42, insert the integrated bottle plug into the sample container 53, input the sample mass m in the interactive controller 6 and select the test program to start the test;

[0023] 3) The distilled water container 52 automatically injects distilled water 150 ml into the sample container 53 through the titration controller 58, the shaker 2 automatically starts and stops shaking for 10 s, at this time the heating device 3 starts, the temperature sensor 43 senses the solution temperature, and when the temperature sensor 43 senses that the solution temperature is close to the boiling point, the heating stops, and the heating is maintained for 5 min without boiling;

[0024] 4) The cooling water container 41 injects cooling water into the cooling container 42 through the cooling water injection controller 45 to rapidly cool the lime sample, and the cooling water is discharged through the drain 46 and the discharge control controller 47 controls the discharge time;

[0025] 5) After the lime sample is cooled, one reagent container 51 injects phenolphthalein indicator 0.2 ml into the sample container 53 through the titration controller 58, at this time the shaker 2 starts to start, and the other reagent container 51 injects hydrochloric acid standard solution into the sample container 53 through the titration controller 58 at a speed of 2-3 drops / s, the color sensor 47 judges the color change of the titration sample, until the pink color completely disappears, the titration controller 58 stops titration, and the red color appears again, the color sensor 47 feeds back to the titration controller 58 to continue to inject the hydrochloric acid standard solution. The interactive controller 6 starts timing each time the titration stops, and records whether the red color appears within 5 min, and so on for several times, until the red color does not appear within 5 min. The interactive controller 6 records the whole titration process time and outputs after the test is completed, and the titration controller 58 automatically records the volume V of the injected hydrochloric acid standard solution.

[0026] 6) Calculate the content of effective calcium oxide and magnesium oxide in lime, and the calculation formula is as follows:

[0027]

[0028] X-effective calcium oxide and magnesium oxide content (%);

[0029] V-volume of hydrochloric acid standard solution consumed (ml);

[0030] M-molar concentration of hydrochloric acid standard solution (mol / l)

[0031] m-sample mass (g);

[0032] 0.028 - milliequivalents of calcium oxide;

[0033] The utility model has parallel test ability, can multiple sample test simultaneously, also can single sample test alone, wide application range.

[0034] In addition to the above embodiments, the utility model can also have other implementation manners, and any technical scheme formed by equivalent replacement or equivalent transformation falls within the protection scope required by the utility model.

Claims

1. An apparatus for automatically detecting the effective calcium oxide and magnesium oxide content of lime, characterized by: The application relates to a titration test device, which comprises a vertical support, an oscillator, a plurality of heating devices, a cooling mechanism and a titration test mechanism; the oscillator is arranged on one side of the support, the plurality of heating devices are fixedly supported on the oscillator in parallel, the cooling mechanism comprises a cooling water container and a plurality of cooling containers, the cooling water container is supported on one side of an end partition of the support, the plurality of cooling containers are fixedly supported on the corresponding heating devices respectively, the cooling containers are fixedly connected with the heating devices to form an integral structure, the bottom of each cooling container is provided with a temperature sensor, one end of a plurality of cooling water pipes is respectively communicated with a plurality of water outlets at the bottom of the cooling water container, and the other end of the plurality of cooling water pipes is respectively communicated with the corresponding cooling containers; the titration test mechanism comprises a plurality of reagent containers, a distilled water container and a plurality of sample containers, the plurality of reagent containers and the distilled water container are supported on the end partition of the support in parallel, the plurality of sample containers are arranged in the cooling containers respectively, the bottom of each sample container is provided with a groove for sleeving the temperature sensor, a plurality of liquid outlets at the bottom of each reagent container are respectively communicated with a plurality of titration needles on the integrated bottle stopper of each sample container through a reagent conveying pipe, and a plurality of water outlets at the bottom of the distilled water container are respectively communicated with water injection pipes on the integrated bottle stopper of the plurality of sample containers through the reagent conveying pipe.

2. The apparatus for automatically detecting the effective calcium oxide and magnesium oxide content in lime according to claim 1, characterized in that: The liquid outlets at the bottom of the reagent containers and the water outlets at the bottom of the distilled water container are respectively provided with titration controllers, and the water outlets at the bottom of the cooling water container are respectively provided with cooling water injection controllers; the titration controllers and the cooling water injection controllers are respectively supported on steps at the top of the support.

3. The apparatus for automatically detecting the contents of calcium oxide and magnesium oxide in lime according to claim 1, characterized by: One side of the bottom of each cooling container is provided with a water outlet, and the water outlet is provided with a water drainage controller; one side of each cooling container is further provided with a color sensor and an illumination device.

4. The apparatus for automatically detecting the contents of calcium oxide and magnesium oxide in lime according to claim 1, characterized by: The bottle stopper of each sample container is an integrated bottle stopper, and the integrated bottle stopper is provided with a plurality of titration needles, a funnel and a water injection pipe.

5. The apparatus for automatically detecting the contents of calcium oxide and magnesium oxide in lime according to claim 1, characterized by: One side of the top of the support is provided with an interactive controller.

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