CN209752858U - Automatic quantitative dropwise adding device for concrete admixture synthesis lab scale - Google Patents

Abstract

The utility model relates to a synthetic lab scale experimental apparatus of concrete admixture, concretely relates to automatic quantitative dropwise add device of synthetic lab scale of concrete admixture, comprises a control console, workstation and reaction bench, the workstation includes weight weighing device, flow control device and charging kettle, the reaction bench includes the reaction flask, mechanical agitator and constant temperature oil bath pot, wherein, weight weighing device sets up in charging kettle's bottom, flow control device passes through the rubber tube and will add the interior reaction flask of the uniform velocity ration dropwise add of raw and other materials solution in the charging kettle, the reaction flask sets up in the constant temperature oil bath pot, the puddler setting of mechanical agitator is in the reaction flask, weight weighing device is connected respectively to the console, flow control device, mechanical agitator and constant temperature oil bath pot. The utility model discloses the realization is to the automatic constant velocity dropwise add of raw and other materials solution, has ensured the stability of lab scale experiment to and the accuracy of data, and efficiency can greatly be improved.

Description

Automatic quantitative dropwise adding device for concrete admixture synthesis lab scale

Technical Field

The utility model relates to a synthetic lab scale experimental apparatus of concrete admixture, concretely relates to automatic quantitative dropwise add device of synthetic lab scale of concrete admixture.

Background

With the rapid promotion of the economy of China, the foundation construction of China is developed rapidly, and the improvement of the concrete admixture technology of China is promoted at this stage. The method needs a long development process from design to mass production, and comprises the process flows of small test, large test, pilot production and the like. The result of the synthesis of the small test is directly related to the evaluation of the performance of the external additive, so the small test process of the concrete additive is particularly important for developing a new additive.

The existing additive small tests are mostly carried out after research personnel simply assemble some instruments in a laboratory, so that the test process of the small tests is difficult to control, the test result and the final production line product often have certain difference, and the product development difficulty of the additive is increased. In the process of synthesizing the concrete admixture in a small test, various trace raw material solutions are usually required to be dripped to adjust the performance of a synthesized product, and the quality of the synthesized product can be ensured only by adding the raw material solutions at a constant speed for a long time. In view of the defects, the automatic quantitative dripping device for the concrete admixture synthesis lab is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an automatic quantitative dropwise add device of synthetic lab scale of concrete admixture is provided for solve the synthetic lab scale of admixture and test in-process raw materials dropwise add process operation loaded down with trivial details dropwise add homogeneity, synthetic product molecular weight uncontrollable and lead to the bad problem of synthetic product quality.

In order to solve the technical problem, the utility model provides a technical scheme is: the utility model provides an automatic quantitative dropwise add device of synthetic lab scale of concrete admixture, comprises a control console, a workbench, the workstation includes the weighing device who is used for weighing raw materials solution weight, a flow control's flow control device and a charging kettle who is used for saving raw materials solution when being used for dropwise add to raw materials solution, the workstation includes the reaction flask that is used for the synthetic admixture reaction of raw materials solution, a mechanical agitator that is used for stirring raw materials solution in the reaction flask and a constant temperature oil bath pot that is used for controlling the reaction flask temperature, wherein, the weighing device sets up in the bottom of charging kettle, flow control device is through the rubber tube with the even velocity ration dropwise add reaction in the reaction flask of raw materials solution in the charging kettle, the reaction flask sets up in the constant temperature oil bath pot, the puddler of mechanical agitator sets up in the reaction flask, the console is connected weighing device respectively, the weighing, A flow regulating device, a mechanical stirrer and a constant-temperature oil bath.

Further, the reaction table also comprises an iron table, and the reaction flask and the mechanical stirrer are fixed on the iron table.

Furthermore, the mechanical stirrer is also provided with a torque testing element which is used for recording the torque generated by the mechanical stirrer in the stirring process and feeding back the torque to the console, and the torque testing element is arranged at the motor part of the mechanical stirrer and the stirring rod.

Furthermore, the console is provided with a display touch screen, the display touch screen is used for displaying and inputting various data, and the display touch screen is arranged on the front side of the console.

Furthermore, the console is also provided with a start button for starting the operation of the console, a shutdown button for closing the operation of the console and an emergency stop button for immediately stopping the operation of the console, and the start button, the shutdown button and the emergency stop button are all arranged on one side of the display touch screen.

Further, the number of the bottle openings of the reaction flask is equal to the number of the types of the raw material solutions required to be used plus one, and the number of the feeding kettles, the weight weighing devices and the flow regulating devices is increased according to the number of the types of the raw material solutions.

Further, the constant-temperature oil bath kettle can adjust the temperature of the oil bath between 0 ℃ and 300 ℃.

The utility model has the advantages that: the utility model provides an automatic quantitative dropwise add device of concrete admixture synthesis lab scale, can drop at the uniform velocity to the automatic ration of raw and other materials solution, the stability of the lab scale experiment has been ensured, and the accuracy of data, and efficiency can be greatly improved, and the speed of dropping raw and other materials solution of flow control device is controlled through the quality of control cabinet input raw and other materials solution and pre-reaction time, and then the speed of controlling raw and other materials solution to add in the reaction flask, realize the automatic quantitative uniform dropwise add to raw and other materials solution, in order to deal with the problem that there is the deviation between the material adding speed and the raw and other materials solution dropwise add speed in the actual test, the control cabinet can also further calculate dropwise add speed through collecting raw and other materials solution weight information and dropwise add time that the weight weighing device feedbacks in real time, thereby realize real-time adjustment raw and other materials solution dropwise add speed, in order to reach the automatic quantitative, meanwhile, the console can also collect torque information generated by rotation on a stirring rod of the mechanical stirrer through a torque test element to calculate the viscosity of the synthesized product, and then the molecular weight of the synthesized product is calculated on line through the relation between the viscosity and the molecular weight of the synthesized product, so that the molecular weight is monitored on line.

Drawings

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic view of the connection relationship of the present invention.

In the figure: 1 control panel, 2 workstations, 3 reaction platforms, 4 start buttons, 5 shutdown buttons, 6 emergency stop buttons, 7 display touch screens, 8 flow regulating devices, 9 feeding kettles, 10 reaction flasks, 11 constant-temperature oil bath kettles, 12 mechanical stirrers, 13 iron stand tables and 14 weight weighing devices.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, combine the embodiment below, it is right the utility model discloses further detailed description proceeds. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be understood that in the description of the present invention, the terms "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention, but do not require the present invention to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the present embodiment provides an automatic quantitative dripping device for a concrete admixture synthesis lab, comprising a console 1, a workbench 2, and a reaction platform 3, wherein the console 1 is a DCS automation control system, i.e. a distributed control system or a distributed system, the workbench 2 comprises a weight weighing device 14 for weighing the weight of a raw material solution, a flow regulating device 8 for controlling the flow rate of the dripping time of the raw material solution, and a feeding kettle 9 for storing the raw material solution, the reaction platform 3 comprises a reaction flask 10 for the reaction of synthesizing the raw material solution, a mechanical stirrer 12 for stirring the raw material solution in the reaction flask 10, and a constant temperature oil bath 11 for controlling the temperature of the reaction flask 10, wherein the weight weighing device 14 is arranged at the bottom of the feeding kettle 9, the flow regulating device 8 drips the raw material solution in the feeding kettle 9 into the reaction flask 10 through a rubber tube at a constant speed and quantitatively for reaction, the reaction flask 10 is arranged in a constant-temperature oil bath 11, a stirring rod of a mechanical stirrer 12 is arranged in the reaction flask 10, a control console 1 is respectively connected with a weight weighing device 14, a flow regulating device 8, the mechanical stirrer 12 and the constant-temperature oil bath 11, a plurality of groups of signal collecting channels are arranged on the back of the control console 1, a processor in the control console 1 is established to transmit and feed back and control data of the weight weighing device 14, the flow regulating device 8, the mechanical stirrer 12 and the constant-temperature oil bath 11, and the preferable plurality of groups of signal collecting channels are 1 to 3 groups and are connected through information transmission wires.

In this embodiment, the reaction table 3 further includes an iron support 13, the reaction flask 10 and the mechanical stirrer 12 are both fixed to the iron support 13, preferably, the reaction flask 10 is fixed to the iron support 13 by a flask clamp, the reaction solution contained in the reaction flask 10 is located just below the liquid level of the constant temperature oil bath 11 by a fixed height, and the mechanical stirrer 12 is perpendicular to the mouth of the reaction flask 10.

In this embodiment, the mechanical mixer 12 is further provided with a torque testing element for recording the torque generated by the mechanical mixer 12 during the mixing process and feeding back to the console, and the torque testing element is installed at the motor part of the mechanical mixer 12 and the mixing rod.

In this embodiment, the console 1 is provided with a display touch screen 7, the display touch screen 7 is used for displaying and inputting various data, and the display touch screen 7 is arranged on the front side of the console 1.

In this embodiment, the console 1 is further provided with a start button 4 for starting the operation of the console 1, a shutdown button 5 for shutting down the operation of the console 1, and an emergency stop button 6 for immediately stopping the operation of the console 1, and the start button 4, the shutdown button 5, and the emergency stop button 6 are all disposed on one side of the display touch screen 7.

In this embodiment, the number of the bottle openings of the reaction flask 10 is equal to the number of the types of the raw material solutions required plus one, and the number of the feeding kettles 9, the weight weighing device 14 and the flow regulating device 8 is increased according to the number of the types of the raw material solutions, so that the multiple raw material solutions can be simultaneously dripped, the operation is more flexible, and the number of the bottle openings of the reaction flask 10 is preferably 2 to 4.

In this embodiment, the constant temperature oil bath 11 can adjust the temperature of the oil bath between 0 ℃ and 300 ℃.

In the embodiment, after the corresponding data information is set by the display touch screen 7, the reaction is started by pressing the start key on the interface displayed by the display touch screen 7, the instrument automatically alarms when the synthesized product reaches the controlled molecular weight in the reaction process, if the reaction is not stopped, the laboratory technician can determine whether to stop the reaction by observing the state in the reaction flask 10, and after the reaction is completed, the constant-temperature oil bath 11, the flow regulating device 8, the weight weighing device 14 and the mechanical stirrer 12 can be closed through the operation of the display touch screen 7, if the heat preservation is needed after the reaction is finished, the closing time of the constant-temperature oil bath 11 can be delayed by displaying the time when the touch screen 7 is operated to set the heat preservation, if any abnormal condition is found in the reaction process, all reaction processes can be stopped through the emergency stop button 6 of the console 1, and the stop of a certain device can also be suspended through manual operation of the display touch screen 7.

The utility model discloses a theory of operation is: the method is characterized in that various required data are input in advance in a control console 1, then a weight weighing device 14, a flow regulating device 8, a constant-temperature oil bath 11 and a mechanical stirrer 12 are respectively started to work, the control console 1 can control the speed of the flow regulating device 8 for dripping the raw material solution into a reaction flask 10 in real time according to data fed back by torque testing elements arranged on the weight weighing device 14 and the mechanical stirrer 12 in real time, the dripping is more stable, meanwhile, the control console 1 can also calculate the viscosity of a synthesized product by collecting torque information generated by rotation on a stirring rod of the mechanical stirrer 12 through the torque testing elements, and then the molecules of the synthesized product are calculated on line through the relation between the viscosity and the molecular weight of the synthesized product, so that the online monitoring of the molecular weight is realized, the experimental data are more accurate, and the research and development work of an experimental worker on an additive is, avoiding the easy occurrence of large errors in manual operation.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and therefore, any modifications, equivalent replacements, and improvements made by the contents of the specification and the drawings should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an automatic quantitative dropwise add device of synthetic lab scale of concrete admixture, includes control cabinet, workstation and reaction platform, its characterized in that: the workbench comprises a weight weighing device for weighing the weight of the raw material solution, a flow regulating device for controlling the flow rate of the raw material solution during dripping and a feeding kettle for storing the raw material solution, the reaction workbench comprises a reaction flask for the reaction of the synthetic admixture of the raw material solution, a mechanical stirrer for stirring the raw material solution in the reaction flask and a constant-temperature oil bath kettle for controlling the temperature of the reaction flask, wherein the weight weighing device is arranged at the bottom of the feeding kettle, the flow regulating device is used for dripping the raw material solution in the feeding kettle into the reaction flask for reaction at uniform speed and fixed amount through a rubber tube, the reaction flask is arranged in the constant-temperature oil bath kettle, a stirring rod of the mechanical stirrer is arranged in the reaction flask, and the control console is respectively connected with the weight weighing device, the flow regulating device, The mechanical stirrer and the constant-temperature oil bath kettle.

2. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 1, wherein: the reaction table further comprises an iron table, and the reaction flask and the mechanical stirrer are fixed on the iron table.

3. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 1, wherein: the mechanical stirrer is further provided with a torque testing element which is used for recording torque generated by the mechanical stirrer in the stirring process and feeding back the torque to the console, and the torque testing element is installed at the motor part of the mechanical stirrer and the stirring rod.

4. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 1, wherein: the console is provided with a display touch screen, the display touch screen is used for displaying and inputting various data, and the display touch screen is arranged on the front face of the console.

5. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 4 is characterized in that: the control console is further provided with a starting button for starting the operation of the control console, a shutdown button for closing the operation of the control console and an emergency stop button for immediately stopping the operation of the control console, wherein the starting button, the shutdown button and the emergency stop button are all arranged on one side of the display touch screen.

6. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 1, wherein: the number of the bottle openings of the reaction flask is equal to the number of the types of the raw material solutions required plus one, and the number of the feeding kettles, the weight weighing devices and the flow regulating devices is increased according to the number of the types of the raw material solutions.

7. The automatic quantitative dripping device for the concrete admixture synthesis lab-scale test of claim 1, wherein: the constant-temperature oil bath can adjust the temperature of the oil bath between 0 ℃ and 300 ℃.