Concrete sulfate erosion solution curing device
By designing an automated concrete sulfate erosion solution maintenance device, the problems of high labor intensity and poor accuracy in manual operation in the prior art are solved, and the high accuracy of test data and reduction of test errors are achieved.
Patent Information
- Application Number
- CN202420970335.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the prior art, when soaking and curing concrete sulfate erosion solution, there are problems such as high labor intensity and poor accuracy of manual operation, which leads to an increase in test error.
A concrete sulfate erosion solution curing device is designed, including a curing box, an ion compensation container, an agitator, an ion concentration and pH monitoring device and a control module to automatically compensate ion concentration and adjust pH.
Through automated control, the intensity of manual labor is reduced, the accuracy of the test data is improved, the test error is reduced, and the erosion environment in which each test block is located is consistent.
Smart Images
Figure CN222599312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building materials, in particular to a concrete sulfate erosion solution curing device. Background Art
[0002] Concrete sulfate attack refers to the penetration of sulfate ions into concrete, chemical reaction with hydration products, and reduction of concrete strength and durability. To evaluate the concrete's resistance to sulfate attack, long-term tests are required through immersion curing and standard curing.
[0003] At present, when performing immersion curing of the erosion solution, the ion concentration and pH value of the erosion solution are usually controlled manually. The specific method is: soak the concrete test block in a sulfate solution of a certain concentration, and adjust the pH value of the solution by titration with acid or alkali solution while stirring, keeping it within the specified range; at the same time, regularly sample and analyze the ion concentration, and manually add sulfate when changes occur. However, this manual operation method has the disadvantages of high labor intensity and poor precision.
[0004] Since a large amount of calcium hydroxide is generated during the early hydration process of concrete, the alkalinity of the erosion solution increases. On the other hand, the erosion ions entering the concrete will also cause the ion concentration in the erosion solution to gradually decrease. Both of these factors will affect the erosion environment and increase the test error. Therefore, a device that automatically compensates for ion concentration and adjusts pH value is urgently needed to improve the accuracy of test data and reduce manual labor intensity. Summary of the invention
[0005] In order to solve the problems of the prior art, an embodiment of the present invention provides a concrete sulfate erosion solution curing device. The technical solution is as follows:
[0006] In one aspect, a concrete sulfate attack solution curing device is provided, comprising a curing box, an ion compensation container, a stirring device, an ion concentration and pH value monitoring device, and a control module;
[0007] The bottom of the curing box is provided with a padding strip to increase the contact area between the concrete test block and the erosion solution;
[0008] The ion compensation container is located at the top of the curing box and is used to supplement the sulfate ion concentration in the etching solution and adjust the pH value of the solution;
[0009] The stirring device is located at the top of the curing box and is used to evenly disperse the supplemented ions in the curing box;
[0010] The ion concentration and pH value monitoring device is arranged on the side of the curing box, and is used to monitor the ion concentration and pH value of the etching solution in real time;
[0011] The control module is electrically connected to the ion concentration and pH value monitoring device, and controls the operation of the ion compensation container and the stirring device according to the data of the monitoring device.
[0012] Furthermore, the ion compensation container is detachable.
[0013] Furthermore, the lower surface of the stirring device is more than 10 cm away from the upper surface of the concrete test block.
[0014] Furthermore, the top opening of the curing box can be opened to facilitate taking out the concrete test blocks.
[0015] Optionally, it also includes an automatic test block placement device, which includes a first robotic arm arranged outside the curing box and a second robotic arm arranged inside the curing box.
[0016] Optionally, a test block immersion depth control device is also included, and the test block immersion depth control device is arranged at the bottom of the curing box and is used to adjust the immersion depth of the concrete test block in the corrosive solution.
[0017] Optionally, a solution online monitoring and analysis system is also included to monitor and analyze other physical and chemical parameters of the corrosion solution in real time.
[0018] Optionally, an intelligent temperature control system is also included to control the temperature of the etching solution.
[0019] The technical solution provided by the embodiment of the present invention has the following beneficial effects:
[0020] 1. Automatically compensate for ion concentration and adjust pH value without manual intervention, reducing labor intensity.
[0021] 2. The monitoring device monitors the state of the erosion solution in real time, and the control system automatically adjusts according to the monitoring data, thereby improving the control accuracy.
[0022] 3. The setting of ion compensation container and stirring device ensures that the supplementary ions are fully mixed and the corrosion environment of each test block is consistent.
[0023] 4. The detachable design and movable cover are convenient for maintenance and taking and placing test blocks.
[0024] 5. The setting of the pad increases the contact area between the test block and the corrosion solution, which is conducive to full reaction.
[0025] 6. The automatic test block placement device realizes the automation of test block operation and further reduces manual labor.
[0026] 7. The test block immersion depth control device can accurately control the immersion depth of each test block to improve the representativeness of the test data.
[0027] 8. The solution online monitoring and analysis system comprehensively monitors the physical and chemical parameters of the corrosion solution, providing data support for in-depth research.
[0028] 9. The intelligent temperature control system realizes the precise control of solution temperature and simulates the corrosion environment at different temperatures.
[0029] In short, the fully automated control method of the utility model improves the test accuracy, reduces labor intensity, and has more intelligent and integrated functions, which has great practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0031] Figure 1 It is a schematic diagram of a concrete sulfate etching solution curing device according to an embodiment of the present invention. DETAILED DESCRIPTION
[0032] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0033] The utility model solves the technical problem of test error caused by reduced alkalinity of etching solution and reduced concentration of etching ions in the prior art, and provides a concrete sulfate etching solution curing device.
[0034] like Figure 1 As shown, the device includes a curing box 1, an ion compensation container 3, a stirring device 4, an ion concentration and pH value monitoring device 5 and a control module 6.
[0035] The curing box 1 can be made of stainless steel or other corrosion-resistant materials. The inner surface of the box body is preferably treated with acid resistance to avoid being corroded by the erosion solution. The bottom of the curing box 1 is provided with a pad 2, which can be made of ceramic or plastic, and can increase the contact area between the bottom surface of the concrete test block and the erosion solution, so that the concrete test block can more fully contact and react with the erosion solution during the erosion process.
[0036] The ion compensation container 3 is preferably made of organic glass or other transparent corrosion-resistant materials to facilitate observation of the internal liquid. The container 3 is filled with a sulfate solution for supplementing the etching solution, and the concentration is higher than that of the normal etching solution. The ion compensation container 3 is located at the top of the curing box 1 and is connected to the inner side of the curing box 1 through a hose. It is used to supplement the sulfate ions in the etching solution to prevent the etching ions from entering the concrete and causing the sulfate ion concentration of the etching solution to decrease. At the same time, the ion compensation container 3 can also drip acid or alkali into the solution to adjust the pH value of the etching solution and prevent the etching solution from becoming alkaline due to the precipitation of calcium hydroxide from the concrete. The ion compensation container 3 is preferably detachable to facilitate replacement of the supplementary solution.
[0037] The stirring device 4 includes a stirring shaft and stirring blades. The stirring shaft extends into the curing box 1 and can rotate. The blades are fixed to the bottom end of the shaft. The material of the stirring device 4 is required to be stainless steel or other corrosion-resistant materials. The lower surface of the blade is more than 10 cm away from the upper surface of the concrete test block, so as to avoid damage to the test block during stirring. The function of the stirring device 4 is to make the supplementary ions evenly dispersed in the curing box 1 to ensure that the corrosion environment of each concrete test block is consistent.
[0038] The ion concentration and pH value monitoring device 5 is arranged on the side of the curing box 1 , and includes an ion selective electrode and a pH electrode, and is used to monitor the ion concentration and pH value of the etching solution in real time, and transmit the monitoring data to the control module 6 .
[0039] The control module 6 can be composed of a microcontroller, an analog-to-digital conversion circuit, etc. The standard values of ion concentration and pH value are pre-set according to the experimental requirements, and based on the real-time data transmitted by the monitoring device 5, the liquid replenishment rate of the ion compensation container 3 and the rotation speed of the stirring device 4 are automatically controlled to achieve automatic compensation of the ion concentration and pH value of the corrosion solution, without manual intervention, simple operation, and improved test accuracy.
[0040] In addition, a movable cover can be provided at the top opening of the curing box 1, and the cover is movably connected to the box body by a hinge, so as to facilitate taking out the concrete test block.
[0041] Through the above technical scheme, the utility model can solve the problem of test errors caused by changes in the concentration and pH value of the etching solution in the prior art, improve the test accuracy, reduce manual labor, and has practical value.
[0042] In other implementations, the utility model may also include the following more creative technical solutions:
[0043] 1. Automatic test block placement device
[0044] An automatic test block placement device is provided on the top of the curing box 1, and the device includes a first mechanical arm and a second mechanical arm. The first mechanical arm is located outside the curing box 1 and is used to take out the concrete test block from the test block storage area; the second mechanical arm is located inside the curing box 1 and cooperates with the first mechanical arm to put the test block into or take it out of the curing box 1. In this way, the automatic operation of the concrete test block can be realized, manual contact can be avoided, and the work efficiency and accuracy can be improved.
[0045] 2. Test block immersion depth control device
[0046] The different depths of immersion of each concrete test block in the erosion solution will affect the degree of erosion. To this end, a liftable grid can be provided at the bottom of the curing box 1, and the concrete test blocks can be fixed at different heights of the grid, so as to control the immersion depth of each test block. The lifting of the grid can be driven by a screw or other transmission mechanism.
[0047] 3. Solution online monitoring and analysis system
[0048] In addition to the ion concentration and pH value monitoring devices, other online monitoring and analysis systems, such as ultraviolet spectrophotometers, electrochemical analyzers, etc., can also be set on the curing box 1 to monitor and analyze other physical and chemical parameters of the corrosion solution in real time, so as to have a more comprehensive understanding of the corrosion environment status.
[0049] 4. Intelligent temperature control system
[0050] The temperature of the erosion solution will also affect the degree of erosion of the concrete. A constant temperature water bath can be set on the outer wall of the curing box 1 to accurately control the temperature of the solution in the curing box 1 through water circulation. At the same time, the temperature sensor is connected to the control system to automatically adjust the water bath temperature to achieve a constant temperature erosion environment.
[0051] The above are some novel technical solutions for reference. Through automation, intelligence and more precise parameter control, the automation level and data accuracy of the test can be further improved. In actual application, one or more of these technical solutions can be selected according to specific needs.
[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A concrete sulfate solution curing device, comprising a curing box (1), an ion compensation container (3), a stirring device (4), an ion concentration and pH value monitoring device (5) and a control module (6), characterized in that: The bottom of the curing box (1) is provided with a cushion strip (2) for increasing the contact area between the concrete test block and the erosion solution; The ion compensation container (3) is located at the top of the curing box (1) and is used to replenish the sulfate ion concentration in the etching solution and adjust the pH value of the solution; The stirring device (4) is located at the top of the curing box (1) and is used to evenly disperse the supplemented ions in the curing box (1); The ion concentration and pH value monitoring device (5) is arranged on the side of the curing box (1) and is used to monitor the ion concentration and pH value of the etching solution in real time; The control module (6) is electrically connected to the ion concentration and pH value monitoring device (5), and controls the operation of the ion compensation container (3) and the stirring device (4) according to data from the monitoring device (5).
2. The concrete sulfate solution curing device according to claim 1, characterized in that: The ion compensation container (3) is detachably arranged.
3. The concrete sulfate solution curing device according to claim 1, characterized in that: The lower surface of the stirring device (4) is more than 10 cm away from the upper surface of the concrete test block.
4. The concrete sulfate solution curing device according to claim 1, characterized in that: The top opening of the curing box (1) can be opened to facilitate taking out the concrete test block.
5. The concrete sulfate solution curing device according to claim 1, characterized in that: It also comprises an automatic test block taking and placing device, which comprises a first mechanical arm arranged outside the curing box (1) and a second mechanical arm arranged inside the curing box (1).
6. The concrete sulfate solution curing device according to claim 1, characterized in that: It also comprises a test block immersion depth control device, which is arranged at the bottom of the curing box (1) and is used to adjust the immersion depth of the concrete test block in the corrosive solution.
7. The concrete sulfate solution curing device according to claim 1, characterized in that: It also includes a solution online monitoring and analysis system for real-time monitoring and analysis of other physical and chemical parameters of the erosion solution.
8. The concrete sulfate solution curing device according to claim 1, characterized in that: It also includes an intelligent temperature control system for controlling the temperature of the etching solution.