CN215449003U

CN215449003U - Lime performance testing device

Info

Publication number: CN215449003U
Application number: CN202121929700.0U
Authority: CN
Inventors: 黄常德; 陈煊群; 陈世强
Original assignee: Huizhou Leida Industrial Co ltd
Current assignee: Huizhou Leida Industrial Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-07
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a lime performance testing device which comprises a testing box, wherein a testing tube is fixedly inserted into the top surface of the testing box, a needle head is fixedly connected to the bottom surface of the testing tube, a supporting frame is fixedly connected to the left side of the top surface of the testing box, the surface of the supporting frame is fixedly connected with the surface of the testing tube, an electric push rod is fixedly connected to the right side of the supporting frame, a piston is fixedly connected to the bottom of the output end of the electric push rod, a feeding tube is fixedly inserted into the right side of the top surface of the testing box, a motor is fixedly installed in the middle of the top surface of the testing box, a rotating shaft is fixedly connected to the output end of the motor, penetrates through the top surface of the testing box and extends into the testing box, and the surface of the rotating shaft is rotatably connected with the testing box through a bearing. In use, the effect of conveniently and accurately judging the completion of the reaction is realized, so that the activity of lime is accurately judged, meanwhile, the aim of conveniently and accurately controlling the dosage of hydrochloric acid is fulfilled, excessive dripping is avoided, and the testing accuracy is guaranteed.

Description

Lime performance testing device

Technical Field

The utility model relates to the technical field of chemical material testing, in particular to a lime performance testing device.

Background

Lime is an air-hardening inorganic gelling material with calcium oxide as a main component. The lime is a product with high calcium carbonate content such as limestone, dolomite, chalk, shell and the like, and is calcined at the temperature of between DEG C and DEG C. Lime was the earliest gelling material used by humans. The lime has wide application range in civil engineering and can also be used in medicine in China. When lime activity is tested, acid-base titration is generally used.

In the acid-base titration method actual operation process, when the reaction is nearly completed, the color change generated by the phenolphthalein reagent is not obvious, the reaction is difficult to accurately judge, the lime activity is difficult to accurately judge, meanwhile, the hydrochloric acid titration is manually carried out, the hydrochloric acid dosage is difficult to accurately control, the dripping is easy to cause excessive, and therefore the activity test is prone to error.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a lime performance testing device, which solves the problems that the lime activity is difficult to accurately judge and the dosage of hydrochloric acid is difficult to accurately control due to the fact that the reaction is difficult to accurately judge and finish in the lime activity test.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a lime performance testing device comprises a testing box, wherein a testing tube is fixedly inserted and connected on the top surface of the testing box, a needle head is fixedly connected on the bottom surface of the testing tube, a supporting frame is fixedly connected on the left side of the top surface of the testing box, the surface of the supporting frame is fixedly connected with the surface of the testing tube, an electric push rod is fixedly connected on the right side surface of the supporting frame, a piston is fixedly connected at the bottom of the output end of the electric push rod, a feeding tube is fixedly inserted and connected on the right side of the top surface of the testing box, a motor is fixedly installed in the middle of the top surface of the testing box, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the top surface of the testing box and extends into the testing box, the surface of the rotating shaft is rotatably connected with the testing box through a bearing, a stirring blade is fixedly connected on the surface of the rotating shaft, a supporting leg is fixedly connected on the bottom surface of the testing box, a PH tester is fixedly installed on the left side surface of the testing box, and the PH apparatus output runs through the left side wall of the test box and extends to the inside of the test box, a temperature sensor is fixedly mounted on the left side of the inner wall of the test box, a control panel is fixedly connected to the right side face of the test box, a display screen and a function button are arranged on the front side of the control panel, and a discharge pipe is fixedly inserted in the middle of the bottom surface of the test box.

Preferably, the display screen displays the PH value detected by the PH measuring instrument and the temperature information detected by the temperature sensor in real time.

Preferably, the piston is located directly above the measuring tube, and the specification of the piston is matched with the inner wall of the measuring tube.

Preferably, the surface of the measuring tube is provided with scale marks.

Preferably, the discharge pipe is internally provided with a control valve.

Preferably, the function button is electrically connected with the electric push rod and the motor.

Preferably, the front surface of the test box is made of transparent glass.

Compared with the prior art, the utility model has the beneficial effects that: the lime performance testing device adds a lime sample and distilled water with the temperature of about forty ℃ into a testing box through a feeding pipe, the phenolphthalein indicator is added through the feeding pipe, the rotating shaft and the stirring blade are driven to rotate by the motor, stirring and mixing the solution, adding hydrochloric acid into the measuring tube, driving the piston into the measuring tube via an electric push rod, extruding hydrochloric acid from the measuring tube and the needle part for multiple times, observing the solution color and pH value detected by a pH meter, when the red color of the solution disappears and the PH value is neutral, the electric push rod stops running, the activity of the lime sample can be judged according to the dosage of the hydrochloric acid and the dosage of the sample, the effect of conveniently and accurately judging the completion of the reaction is realized during the use, thereby accurately judging the activity of the lime, meanwhile, the aim of accurately controlling the dosage of the hydrochloric acid is achieved, excessive dripping is avoided, and the testing accuracy is guaranteed.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a front cross-sectional view of the structure of the present invention.

In the figure: the device comprises a test box 1, a test tube 2, a needle head 3, a support frame 4, an electric push rod 5, a piston 6, a feed tube 7, a motor 8, a rotating shaft 9, a stirring blade 10, supporting legs 11, a PH tester 12, a temperature sensor 13, a control panel 14, a display screen 15, a function button 16 and a discharge tube 17.

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 (b): referring to fig. 1-3, a lime performance testing device, comprising a testing box 1, wherein the front of the testing box 1 is made of transparent glass material, so as to facilitate the observation of a user in the testing process, a measuring tube 2 is fixedly inserted on the top surface of the testing box 1, the surface of the measuring tube 2 is provided with scale marks, so as to facilitate the observation and calculation of the dosage of hydrochloric acid by setting the scale marks, a needle 3 is fixedly connected to the bottom surface of the measuring tube 2, a supporting frame 4 is fixedly connected to the left side of the top surface of the testing box 1, the surface of the supporting frame 4 is fixedly connected to the surface of the measuring tube 2, an electric push rod 5 is fixedly connected to the right side of the supporting frame 4, a piston 6 is fixedly connected to the bottom of the output end of the electric push rod 5, the piston 6 is positioned right above the measuring tube 2, and the specification of the piston 6 is matched with the inner wall of the measuring tube 2, so as to realize mechanical titration, thereby improving the accuracy of hydrochloric acid titration, a feeding tube 7 is fixedly inserted on the right side of the top surface of the testing box 1, the middle part of the top surface of the test box 1 is fixedly provided with a motor 8, the output end of the motor 8 is fixedly connected with a rotating shaft 9, the rotating shaft 9 penetrates through the top surface of the test box 1 and extends to the inside of the test box 1, the surface of the rotating shaft 9 is rotatably connected with the test box 1 through a bearing, the surface of the rotating shaft 9 is fixedly connected with a stirring blade 10, the bottom surface of the test box 1 is fixedly connected with a supporting leg 11, the left side surface of the test box 1 is fixedly provided with a PH tester 12, the output end of the PH tester 12 penetrates through the left side wall of the test box 1 and extends to the inside of the test box 1, the left side of the inner wall of the test box 1 is fixedly provided with a temperature sensor 13, the right side surface of the test box 1 is fixedly connected with a control panel 14, the front surface of the control panel 14 is provided with a display screen 15 and a function button 16, the function button 16 is electrically connected with the electric push rod 5 and the motor 8, the operation of a user is facilitated, the display screen 15 displays the PH value detected by the PH tester 12 and the temperature information detected by the temperature sensor 13 in real time, through the cooperation of PH apparatus 12 and display screen 15, thereby be convenient for accurate observation test progress, through the cooperation of temperature sensor 13 and display screen 15, be convenient for observe experimental temperature, test box 1 bottom surface middle part is fixed to be pegged graft and is had discharge pipe 17, discharge pipe 17 inside is provided with control flap, thereby be convenient for control waste liquid discharge, this lime capability test device, add the lime sample and the distilled water of forty degrees centigrade or so inside test box 1 through inlet pipe 7, and add phenolphthalein indicator through inlet pipe 7, through motor 8 drive pivot 9 and stirring vane 10 rotation, stir intensive mixing to the solution, add hydrochloric acid to the inside of survey pipe 2, drive piston 6 through electric putter 5 and get into the inside of survey pipe 2, extrude hydrochloric acid from survey pipe 2 and syringe needle 3 parts many times, through observing the PH value that solution color and PH apparatus 12 detected, when the red color of the solution disappears and the pH value is neutral, the electric push rod 5 stops running, the activity of the lime sample can be judged through the hydrochloric acid dosage and the sample dosage, the effect of accurately judging the completion of the reaction is realized in use, the activity of the lime is accurately judged, the aim of conveniently and accurately controlling the hydrochloric acid dosage is fulfilled, the excessive dropping is avoided, and the testing accuracy is guaranteed.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When in use: add test box 1 inside with lime sample and the distilled water of forty degrees centigrade left and right sides through inlet pipe 7, and add the phenolphthalein indicator through inlet pipe 7, the solution is red this moment, rotate through motor 8 drive pivot 9 and stirring vane 10, stir intensive mixing to the solution, to survey 2 inside hydrochloric acid that add of pipe, 2 inside through electric putter 5 drive piston 6 entering survey pipe, extrude hydrochloric acid from

survey pipe

2 and 3 parts of syringe needle internal multitime, through observing solution color and PH value that PH apparatus 12 detected, stop electric putter 5 when the red disappearance of solution and PH value are neutral and move, can judge lime sample activity through hydrochloric acid dosage and sample dosage.

In conclusion, according to the lime performance testing device, a lime sample and distilled water at about forty ℃ are added into the testing box 1 through the feeding pipe 7, a phenolphthalein indicator is added through the feeding pipe 7, the motor 8 drives the rotating shaft 9 and the stirring blade 10 to rotate, the solution is stirred and fully mixed, hydrochloric acid is added into the measuring pipe 2, the piston 6 is driven by the electric push rod 5 to enter the measuring pipe 2, the hydrochloric acid is extruded from the measuring pipe 2 and the needle head 3 for multiple times, the electric push rod 5 is stopped when the red color of the solution disappears and the pH value is neutral by observing the color and the pH value detected by the pH measuring instrument 12, the activity of the lime sample can be judged through the dosage of the hydrochloric acid and the dosage of the sample, the effect of accurately judging the completion of reaction in use is realized, the activity of the lime is accurately judged, and the aim of accurately controlling the dosage of the hydrochloric acid is achieved at the same time, avoid instiling into excessively, ensured the precision of test, solved and be difficult to accurately judge among the lime activity test and react and accomplish, lead to being difficult to accurately judge lime activity, be difficult to carry out accurate control's problem to hydrochloric acid dosage simultaneously.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A lime performance testing device comprises a testing box (1) and is characterized in that a testing tube (2) is fixedly inserted into the top surface of the testing box (1), a needle (3) is fixedly connected to the bottom surface of the testing tube (2), a supporting frame (4) is fixedly connected to the left side of the top surface of the testing box (1), the surface of the supporting frame (4) is fixedly connected with the surface of the testing tube (2), an electric push rod (5) is fixedly connected to the right side surface of the supporting frame (4), a piston (6) is fixedly connected to the bottom of the output end of the electric push rod (5), a feeding tube (7) is fixedly inserted into the right side of the top surface of the testing box (1), a motor (8) is fixedly installed in the middle of the top surface of the testing box (1), a rotating shaft (9) is fixedly connected to the output end of the motor (8), and the rotating shaft (9) penetrates through the top surface of the testing box (1) and extends into the testing box (1), and pivot (9) surface passes through the bearing and rotates with test box (1) to be connected, pivot (9) fixed surface is connected with stirring vane (10), test box (1) bottom surface fixedly connected with supporting leg (11), test box (1) left surface fixed mounting has PH apparatus (12), and inside PH apparatus (12) output run through test box (1) left side wall and extend to test box (1), test box (1) inner wall left side fixed mounting has temperature sensor (13), test box (1) right side fixed connection has control panel (14), control panel (14) openly are equipped with display screen (15) and function button (16), test box (1) bottom surface middle part is fixed to peg graft and is had discharge pipe (17).

2. The lime performance testing device according to claim 1, wherein the display screen (15) displays the PH value detected by the PH measuring instrument (12) and the temperature information detected by the temperature sensor (13) in real time.

3. The lime performance testing device according to claim 1, wherein the piston (6) is positioned right above the measuring tube (2), and the specification of the piston (6) is matched with the inner wall of the measuring tube (2).

4. A lime performance testing apparatus according to claim 1, wherein the surface of the measuring tube (2) is provided with graduation marks.

5. A lime performance testing apparatus according to claim 1, wherein a control valve is provided inside the discharge pipe (17).

6. The lime performance testing device according to claim 1, wherein the function button (16) is electrically connected with both the electric push rod (5) and the motor (8).

7. The lime performance testing device according to claim 1, wherein the front surface of the testing box (1) is made of transparent glass.