Device for rapidly detecting content of harmful ions in sand for roads, bridges and tunnels and use method

Abstract

The invention relates to the technical field of conductivity testers, in particular to a rapid detection device for the content of harmful ions in sand for roads, bridges and tunnels and a use method.The rapid detection device comprises a detector used for measuring the conductivity of a solution and a detection barrel used for containing the solution to be detected, and a partition plate is fixed to the bottom of the inner side of the detection barrel; a partition plate is arranged in the detection barrel, two symmetrically distributed electrodes are arranged on the partition plate, the electrodes are two-electrode type conductivity electrodes, a stirring mechanism used for stirring a solution to be detected and eliminating vortexes at the same time is arranged on the inner side of the detection barrel, and a liquid discharging assembly used for discharging the measured solution is arranged at the bottom of the partition plate. Vortex generated in the stirring process can be eliminated, deviation of a conductivity detection result when the to-be-detected solution is stirred is avoided, the accuracy of the solution detection result is improved, in addition, the situation that stirring equipment makes contact with an electrode can be avoided, and the condition that the electrode is damaged due to the fact that particles in the solution scrape the electrode is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of conductivity measuring instruments, and in particular to a rapid detection device for harmful ion content in sand used for roads, bridges and tunnels and a use method thereof. Background Art

[0002] Sand for roads, bridges and tunnels is an important raw material in road engineering and plays an important role in the preparation of concrete for roads, bridges and tunnels. The content of harmful ions in sand has a significant impact on the application performance of sand. When the content of harmful ions in sand is too high, the compressive strength, flexural strength and anti-permeability of sand will be reduced, thus affecting the performance of concrete. In addition, the harmful ions in sand can penetrate into the concrete and react chemically with the steel bars, causing steel bars to rust, thereby reducing the bearing capacity and service life of the concrete structure. Therefore, it is very important to control the content of harmful ions in sand.

[0003] Conductivity meters are often used in water quality monitoring, wastewater treatment, and ion detection because of their high accuracy, simple operation, speed, and reliability. The ion content can be detected by conductivity titration. In the process of conductivity titration, in order to make the reaction more complete and rapid, strong stirring operations are usually performed. However, when the traditional stirring device stirs the solution to be tested, a vortex will be generated in the center, allowing air to enter the middle of the measuring electrode, resulting in deviations in the measured conductivity results, affecting the accuracy of the test results. If manual stirring is used, although it is not easy to generate a vortex, it is easy for the stirring tool to accidentally touch and damage the electrode. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a device and method for quickly detecting the harmful ion content in sand used for roads, bridges and tunnels, which solves the problem in the prior art that stirring the solution to be tested causes a vortex to appear in the center of the solution, thereby affecting the accuracy of the conductivity detection result.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A rapid detection device for harmful ion content in sand for roads, bridges and tunnels comprises a detector for measuring solution conductivity and a detection barrel for containing a solution to be detected, a partition plate is fixed to the inner bottom of the detection barrel, two symmetrically distributed electrodes are fixedly arranged through the partition plate, and the electrodes are arranged as two-electrode conductivity electrodes, a stirring mechanism for stirring the solution to be detected and synchronously eliminating a vortex in the center of the solution is arranged on the inner side of the detection barrel, a liquid discharge component for discharging the solution after measurement is arranged at the bottom of the partition plate, the stirring mechanism comprises a filter screen arranged on the top of the detection barrel, and a spiral baffle plate detachably arranged on the inner side of the filter screen, an annular baffle plate fixed to the detection barrel is arranged on the outer side of the filter screen, a stirring component for stirring the solution to be detected evenly is arranged at the bottom of the filter screen, and a driving component for driving the stirring component to operate is arranged at the bottom of the partition plate.

[0007] As a further optimization scheme of the present invention, the stirring assembly includes a plurality of stirring wheels 1 distributed in a circular array and arranged on the top of the partition plate, and a stirring wheel 2 arranged on the top of the stirring wheel 1, a rotating vertical axis is fixedly arranged at the bottom of the stirring wheel 2, a rotating vertical tube fixed to the stirring wheel 1 is provided at the bottom sealing sleeve of the rotating vertical axis, and the rotating vertical tube passes through the partition plate and is rotatably connected to the partition plate through a sealed bearing.

[0008] As a further optimization scheme of the present invention, the driving assembly includes a ring gear arranged at the bottom of the partition plate, and a supporting horizontal plate which is rotatably arranged at the bottom of the rotating vertical shaft through a bearing and fixed to the inner wall of the detection barrel; the top of the supporting horizontal plate is provided with a transmission gear which is fixed to the rotating vertical shaft and meshes with the ring gear.

[0009] As a further optimization scheme of the present invention, a bevel gear 1 fixed with a rotating vertical axis is provided on the top of the transmission gear, a bevel gear 2 is meshed with the top side of the bevel gear 1, a rotating horizontal axis rotating with the detection barrel through a bearing is fixedly provided at the axis center of the bevel gear 2, and a bevel gear 3 meshing with the bevel gear 2 and fixed to the rotating vertical tube is fixedly provided at the bottom of the rotating vertical tube.

[0010] As a further optimization scheme of the present invention, a limit seat slidably connected to the ring gear is fixedly provided on the supporting horizontal plate, a servo motor is fixed to the inner bottom of the detection barrel, and the output shaft of the servo motor passes through one of the supporting horizontal plates and is fixedly connected to the rotating vertical shaft thereon.

[0011] As a further optimization scheme of the present invention, the drainage component includes a water outlet opened at the bottom of the partition plate, and a drainage pipe fixed to the bottom of the detection barrel and matching the water outlet, the top of the drainage pipe is slidably provided with a sealing plug matching the water outlet, and the detection barrel is provided with a pushing component for pushing the top of the sealing plug to the interface between the water outlet pipe and the drainage pipe.

[0012] As a further optimization scheme of the present invention, a sealing cover sliding with the detection barrel is fixedly provided on the outer side of the bottom of the sealing plug, and one side of the drainage pipe is fixedly connected to a water outlet pipe penetrating the detection barrel and fixed thereto.

[0013] As a further optimization scheme of the present invention, the pushing assembly includes a connecting vertical frame fixedly arranged on the outside of the bottom of the connecting vertical axis and sliding with the detection barrel, and a movable ring body slidably arranged on the outside of the detection barrel, and L-shaped connecting rods are fixedly arranged at both ends of the bottom of the movable ring body, and matching sliding vertical grooves are respectively opened on both sides of the bottom of the drainage pipe and the detection barrel, and the bottom of the L-shaped connecting rod passes through the two sliding vertical grooves in succession and is fixedly connected to the bottom of the connecting vertical frame.

[0014] A method for using a device for quickly detecting harmful ion content in sand for roads, bridges and tunnels, comprising the following steps:

[0015] S1: First, turn on the detector to energize the electrodes, preheat the instrument for 30 minutes, and then calibrate the detector. Pour the NaCl standard solution into the detection bucket from the upper opening of the filter. According to the conductivity of the NaCl standard solution provided by the standard, rotate the value knob to make the conductivity reading on the detector the same as the conductivity of the NaCl standard solution in the standard;

[0016] S2: Then push the movable ring body downward, the movable ring body drives the connecting vertical frame to move downward through the L-shaped connecting rod, and the connecting vertical frame drives the sealing plug to separate from the water outlet, so that the NaCl standard solution is discharged smoothly through the drain pipe and the outlet pipe, and then pour clean water into the detection barrel to clean the filter screen and the barrel wall, and then let the cleaned sewage flow out through the drain pipe and the outlet pipe, and then push the movable ring body upward to plug the sealing plug in the outlet;

[0017] S3: Then, the treated solution to be tested is added into the test barrel and the test barrel is moved to the bottom of the titration device, the stirring time and the interval stirring time are set by the detector, the servo motor is started and the titration experiment is performed, the output shaft of the servo motor drives the rotating vertical shaft on the top thereof to rotate, one of the rotating vertical shafts drives the transmission gear thereon to rotate, the transmission gear drives the ring gear meshing with it to rotate, the ring gear drives the remaining transmission gears to rotate, the transmission gear drives the rotating vertical shaft at its axis to rotate. When all the rotating vertical shafts rotate at the same time, the rotating vertical shaft drives the bevel gear 1 to rotate, the bevel gear 1 drives the bevel gear 3 to rotate through the bevel gear 2, and the bevel gear 3 drives the rotating vertical tube to rotate;

[0018] S4: The rotating vertical tube and the rotating vertical shaft drive the stirring wheel 1 and the stirring wheel 2 to rotate in opposite directions respectively. The stirring wheel 1 and the stirring wheel 2 stir and mix the solution, and no vortex will appear during stirring. The stirring is stopped after a period of time, and the reading is taken through the detector to obtain the conductivity of the solution;

[0019] S5: After the conductivity measurement is completed, turn off the detector, remove the filter, and push the movable ring downward at the same time. The movable ring drives the L-shaped connecting rods at both ends of the bottom to move downward, and the two L-shaped connecting rods drive the middle connecting vertical frame to move downward;

[0020] S6: The connecting vertical frame drives the sealing plug to move downward, and the sealing plug drives the sealing cover to slide downward. The top of the sealing plug is separated from the water outlet, so that the solution enters the drain pipe through the water outlet. When the sealing plug moves to the interface between the water outlet pipe and the drain pipe, the solution enters the water outlet pipe through the drain pipe and is then discharged smoothly. Then, clean water is poured into the detection barrel to clean the filter screen and the barrel wall before being discharged.

[0021] By means of the above technical solution, the present invention provides a device and a method for quickly detecting harmful ion content in sand for roads, bridges and tunnels, which has at least the following beneficial effects compared with the prior art:

[0022] 1. The present invention can avoid the formation of vortex in the center of the solution by setting a special stirring mechanism to stir the solution to be tested. The spiral baffle, the annular baffle and the stirring assembly cooperate with each other, so that the solution can be stirred evenly while no vortex is formed in the center of the solution. The influence of the vortex generated during the stirring process on the test result can be eliminated, and the situation in which the vortex in the center of the solution when the solution to be tested is stirred, resulting in deviation in the measured conductivity, can be avoided, thereby improving the accuracy of the solution test result. In addition, the contact between the stirring equipment and the electrode can be avoided, and the situation in which particles in the solution scratch the electrode and damage the electrode can be reduced.

[0023] 2. The filter screen provided in the present invention can filter out most of the solid particles that may exist or be generated in the solution to be tested, so that the solid particles in the solution are located in the filter screen, which can reduce the probability of the solid particles scratching the electrode during stirring, thereby extending the service life of the electrode.

[0024] 3. The present invention can completely discharge the solution to be tested inside the detection barrel by setting a drainage component. By pushing the movable ring body downward, the movable ring body drives the connecting vertical frame to move downward through the L-shaped connecting rod, and the connecting vertical frame drives the sealing plug to separate from the water outlet, so that the solution to be tested can be smoothly discharged through the drainage pipe and the water outlet pipe. The operation is convenient and quick, which is conducive to the conductivity measurement of the solution and improves the practicality of the conductivity meter.

[0025] 4. The structure provided in the present invention is partially detachable. After the use of the device, the device can be partially disassembled for careful and repeated cleaning. The cleaning liquid remaining in the container can be discharged through the drainage pipe provided at the bottom of the device, thereby achieving deep cleaning of the instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a partial front perspective cross-sectional view of the present invention;

[0029] Figure 3 It is a structural schematic diagram of the stirring mechanism of the present invention;

[0030] Figure 4 It is a partial structural diagram of the stirring mechanism of the present invention;

[0031] Figure 5 is a side sectional view of the drainage assembly of the present invention;

[0032] Figure 6 for Figure 2 Schematic diagram of the enlarged structure of part A.

[0033] In the figure: 1. detector; 2. detection barrel; 3. partition plate; 4. electrode;

[0034] 5. stirring mechanism; 51. filter screen; 52. spiral baffle; 53. annular baffle;

[0035] 54, stirring assembly; 541, stirring wheel 1; 542, stirring wheel 2; 543, rotating vertical axis; 544, rotating vertical tube;

[0036] 55. Driving assembly; 551. Ring gear; 552. Supporting horizontal plate; 553. Transmission gear; 554. Bevel gear 1; 555. Bevel gear 2; 556. Rotating horizontal axis; 557. Bevel gear 3; 558. Servo motor; 559. Limit seat;

[0037] 6. drainage assembly; 61. water outlet; 62. drainage pipe; 63. sealing plug; 64. sealing cover; 65. water outlet pipe;

[0038] 66. Pushing assembly; 661. Connecting vertical frame; 662. Movable ring body; 663. L-shaped connecting rod. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] First embodiment

[0041] The conductivity meter is an instrument used to measure the conductivity of a solution. It is widely used in water quality monitoring, industrial production, scientific research experiments and other fields. It can not only provide fast and accurate conductivity measurements, but also provide important data support for related research and applications. When traditional stirring tools are stirring the solution to be tested, a vortex is likely to appear in the center of the solution. Since the conductivity of the air in the center is also detected by the electrode, it will cause deviations in the measured conductivity. In order to eliminate the influence of the vortex generated during the stirring process on the test results and improve the accuracy of the solution test results, refer to Figure 1 - Figure 4 and Figure 6 The present embodiment provides a rapid detection device for harmful ion content in sand for roads, bridges and tunnels, which is composed of a detector 1, a detection barrel 2, a partition plate 3, two electrodes 4, a stirring mechanism 5 and a drainage component 6. The detector 1 can measure the conductivity of the solution through the electrode 4. The detection barrel 2 is used to hold the solution to be detected. The partition plate 3 is fixedly arranged at the inner bottom of the detection barrel 2. The two electrodes 4 are symmetrically arranged on the partition plate 3, and the electrodes 4 are two-electrode conductivity electrodes. The detector 1 is electrically connected to the two electrodes 4 through wires. A temperature sensor electrically connected to the detector 1 is also arranged on the inner side of the detection barrel 2. The temperature sensor is used to monitor the temperature of the solution in the detection barrel 2 in real time, which can eliminate the influence of environmental temperature factors on the detection results. The stirring mechanism 5 is arranged on the inner side of the detection barrel 2 and is used to stir the solution to be detected and simultaneously eliminate the vortex in the center of the solution.

[0042] In order to avoid the situation where a vortex appears in the center of the solution when the test solution is stirred, which may cause a deviation in the measured conductivity, the stirring mechanism 5 includes a filter screen 51 arranged on the top of the detection barrel 2, and the two ends of the top of the filter screen 51 have protrusions matching the grooves at the two ends of the top of the detection barrel 2, and a spiral baffle 52 detachably arranged on the inner side of the filter screen 51, and an annular baffle 53 fixed to the detection barrel 2 is arranged on the outer side of the filter screen 51. The spiral baffle 52 can effectively block the flow of the liquid that is disturbed during stirring, thereby avoiding the generation of vortices.

[0043] At present, the solution is usually stirred by using a stirring tool manually, and the stirring tool is easy to hit the electrode 4, thereby causing damage to the electrode 4. In order to avoid contact between the stirring tool and the electrode 4 and thus damage the electrode 4, and to extend the service life of the electrode 4, a stirring component 54 for stirring the solution to be tested is provided at the bottom of the filter 51. The stirring component 54 includes a plurality of stirring wheels 1 541 distributed in a circular array and arranged on the top of the partition plate 3, and a stirring wheel 2 542 arranged on the top of the stirring wheel 1 541. The stirring wheels 1 541 and 542 rotate to drive the flow of liquid in the upper and lower layers respectively. The stirring wheels 1 541 and 542 rotate in opposite directions, which can disrupt the generation of vortices. A rotating vertical shaft 543 is fixedly provided at the bottom of the stirring wheel 2 542. A rotating vertical pipe 544 fixed to the stirring wheel 1 541 is provided at the bottom sealing sleeve of the rotating vertical shaft 543, and the rotating vertical pipe 544 passes through the partition plate 3 and is rotatably connected thereto through a sealed bearing.

[0044] Second embodiment

[0045] In order to simultaneously drive the stirring wheel 1 541 and the stirring wheel 2 542 to rotate in opposite directions, not only can the solution be stirred and mixed evenly, but also vortexes can be prevented from occurring when the solution is stirred. Figure 4 In this embodiment, a driving assembly 55 for driving the stirring assembly 54 to operate is provided at the bottom of the partition plate 3. Specifically, the driving assembly 55 includes a ring gear 551 provided at the bottom of the partition plate 3, and a supporting horizontal plate 552 rotatably provided at the bottom of the rotating vertical shaft 543 and fixed to the inner wall of the detection barrel 2 through a bearing, a transmission gear 553 fixed to the rotating vertical shaft 543 and meshing with the ring gear 551 is provided at the top of the supporting horizontal plate 552, a bevel gear 554 fixed to the rotating vertical shaft 543 is provided at the top of the transmission gear 553, and the top of the bevel gear 554 is provided. A bevel gear 2 555 is meshed with one side of the bevel gear 2 555, and a rotating horizontal axis 556 that rotates with the detection barrel 2 through a bearing is fixedly set at the axis center of the bevel gear 2 555, and a bevel gear 3 557 that meshes with the bevel gear 2 555 and is fixed to the rotating vertical tube 544 is fixedly set at the bottom of the rotating vertical tube 544. The bevel gear 1 554 drives the bevel gear 3 557 to move through the bevel gear 2 555, and the rotation directions of the bevel gear 1 554 and the bevel gear 3 557 are opposite, so that the rotation directions of the rotating vertical tube 544 and the rotating vertical axis 543 are opposite, and then the rotation directions of the stirring wheel 1 541 and the stirring wheel 2 542 are opposite.

[0046] A limit seat 559 is fixedly provided on the supporting horizontal plate 552 and is slidably connected to the ring gear 551, so that the limit seat 559 is more stable when rotating. A servo motor 558 is fixed to the inner bottom of the detection barrel 2, and the output shaft of the servo motor 558 passes through one of the supporting horizontal plates 552 and is fixedly connected to the rotating vertical axis 543 thereon. The detector 1 is electrically connected to the servo motor 558 through electric wires.

[0047] Third embodiment

[0048] In order to make it easier to discharge the solution to be tested inside the detection barrel 2, and to improve the practicality of the conductivity meter, refer to Figure 2 and Figure 5 In this embodiment, a drainage component 6 for discharging the measured solution is provided at the bottom of the partition plate 3. The specific implementation method is that the drainage component 6 includes a water outlet 61 opened at the bottom of the partition plate 3, and a drainage pipe 62 fixed to the bottom of the detection barrel 2 and matching the water outlet 61. A sealing plug 63 matching the water outlet 61 is slidably provided on the top of the drainage pipe 62. A thread is also provided on the surface of the sealing plug 63, which can be tightly fitted with the water outlet 61 to improve the sealing performance of the sealing plug 63. A sealing cover 64 sliding with the detection barrel 2 is fixedly provided on the outer side of the bottom of the sealing plug 63. A water outlet pipe 65 penetrating the detection barrel 2 and fixed thereto is fixedly connected to one side of the drainage pipe 62. When the sealing plug 63 drives the sealing cover 64 to move downward, it is completely sealed with the water outlet pipe 65 to prevent liquid leakage.

[0049] The detection barrel 2 is provided with a pushing assembly 66 for pushing the sealing plug 63 to the interface between the water outlet pipe 65 and the drainage pipe 62. The pushing assembly 66 includes a connecting vertical frame 661 fixedly arranged on the outer side of the bottom of the connecting vertical axis and sliding with the detection barrel 2, and a movable ring body 662 slidably arranged on the outer side of the detection barrel 2. L-shaped connecting rods 663 are fixedly arranged at both ends of the bottom of the movable ring body 662. Matching sliding vertical grooves are respectively provided on both sides of the bottom of the drainage pipe 62 and the detection barrel 2, and the bottom of the L-shaped connecting rod 663 successively passes through two sliding vertical grooves and is fixedly connected to the bottom of the connecting vertical frame 661. When the solution needs to be discharged, the movable ring body 662 is pushed downward, and the movable ring body 662 drives the connecting vertical frame 661 to move downward through the L-shaped connecting rod 663. The connecting vertical frame 661 drives the sealing plug 63 to separate from the water outlet 61, so that the solution to be tested is smoothly discharged through the drainage pipe 62 and the water outlet pipe 65.

[0050] During use of the present invention, firstly, the detector 1 is turned on to energize the electrode 4, and the instrument is preheated for 30 minutes. Then, the detector 1 is calibrated, and the NaCl standard solution is poured into the detection barrel 2 from the upper opening of the filter screen 51. According to the conductivity of the NaCl standard solution provided by the standard, the value knob is rotated so that the conductivity reading on the detector 1 is the same as the conductivity of the NaCl standard solution in the standard. Then, the movable ring body 662 is pushed downward, and the movable ring body 662 drives the connecting vertical frame 661 to move downward through the L-shaped connecting rod 663. The connecting vertical frame 661 drives the sealing plug 63 to separate from the water outlet 61, so that the NaCl standard solution is smoothly discharged through the drain pipe 62 and the outlet pipe 65. Then, clean water is poured into the detection barrel 2 to clean the filter screen 51 and the barrel wall. Then, the cleaned sewage flows out through the drain pipe 62 and the outlet pipe 65, and then the movable ring body 662 is pushed upward to plug the sealing plug 63 into the outlet 61.

[0051] Then, the treated solution to be tested is added to the detection barrel 2 and the detection barrel 2 is moved under the titration device. The stirring time and the interval stirring time are set by the detector 1. The servo motor 558 is started and the titration experiment is performed. The output shaft of the servo motor 558 drives the rotating vertical shaft 543 on the top thereof to rotate. One of the rotating vertical shafts 543 drives the transmission gear 553 thereon to rotate. The transmission gear 553 drives the ring gear 551 meshing with it to rotate. The ring gear 551 drives the remaining transmission gears 553 to rotate. The transmission gear 553 drives the rotating vertical shaft 543 at its axis to rotate. All the rotating vertical shafts 543 rotate simultaneously, the rotating vertical shaft 543 drives the bevel gear 1 554 to rotate, the bevel gear 1 554 drives the bevel gear 3 557 to rotate through the bevel gear 2 555, the bevel gear 3 557 drives the rotating vertical tube 544 to rotate, the rotating vertical tube 544 and the rotating vertical shaft 543 respectively drive the stirring wheel 1 541 and the stirring wheel 2 542 to rotate in opposite directions, the stirring wheel 1 541 and the stirring wheel 2 542 stir and mix the solution, and no vortex will appear during stirring, the stirring is stopped after a period of time, and the reading is taken through the detector 1 to obtain the conductivity of the solution;

[0052] After the conductivity measurement is completed, turn off the detector 1, remove the filter 51, and push the movable ring body 662 downward at the same time. The movable ring body 662 drives the L-shaped connecting rods 663 at both ends of its bottom to move downward, and the two L-shaped connecting rods 663 drive the middle connecting vertical frame 661 to move downward. The connecting vertical frame 661 drives the sealing plug 63 to move downward, and the sealing plug 63 drives the sealing cover 64 to slide downward. The top of the sealing plug 63 is separated from the water outlet 61, so that the solution enters the drain pipe 62 through the water outlet 61. When the sealing plug 63 moves to the interface between the water outlet pipe 65 and the drain pipe 62, the solution enters the water outlet pipe 65 through the drain pipe 62 and then is discharged smoothly.

[0053] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for quickly detecting harmful ion content in sand for roads, bridges and tunnels, comprising a detector (1) for measuring the conductivity of a solution and a detection bucket (2) for containing a solution to be detected, characterized in that: A partition plate (3) is fixed to the bottom of the inner side of the detection barrel (2), two symmetrically distributed electrodes (4) are arranged on the partition plate (3), and the electrodes (4) are two-electrode conductivity electrodes. A stirring mechanism (5) for stirring the solution to be tested and eliminating vortices is arranged on the inner side of the detection barrel (2), and a liquid discharge component (6) for discharging the solution is arranged at the bottom of the partition plate (3); The stirring mechanism (5) comprises a filter screen (51) arranged on the top of the detection barrel (2), and a spiral baffle (52) detachably arranged on the inner side of the filter screen (51); an annular baffle (53) fixed to the detection barrel (2) is arranged on the outer side of the filter screen (51); a stirring component (54) for stirring the solution to be tested evenly is arranged at the bottom of the filter screen (51); and a driving component (55) for driving the stirring component (54) to operate is arranged at the bottom of the partition plate (3).

2. A device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 1, characterized in that: The stirring assembly (54) comprises a plurality of stirring wheels (541) arranged on the top of the partition plate (3) and distributed in a circumferential array, and a stirring wheel (542) arranged on the top of the stirring wheel (541), a rotating vertical shaft (543) being fixedly arranged at the bottom of the stirring wheel (542), a rotating vertical tube (544) fixed to the stirring wheel (541) being arranged at the bottom sealing sleeve of the rotating vertical shaft (543), and the rotating vertical tube (544) passing through the partition plate (3) and being rotatably connected thereto via a sealing bearing.

3. A device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 2, characterized in that: The driving assembly (55) comprises a ring gear (551) arranged at the bottom of the partition plate (3), and a supporting transverse plate (552) rotatably arranged at the bottom of the rotating vertical shaft (543) and fixed to the inner wall of the detection barrel (2) via a bearing, and a transmission gear (553) fixed to the rotating vertical shaft (543) and meshing with the ring gear (551) is arranged at the top of the supporting transverse plate (552).

4. A device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 3, characterized in that: A bevel gear 1 (554) fixed to the rotating vertical shaft (543) is arranged at the top of the transmission gear (553); a bevel gear 2 (555) is meshed with one side of the top of the bevel gear 1 (554); a rotating horizontal shaft (556) is fixedly arranged at the axis of the bevel gear 2 (555) and rotates with the detection barrel (2) via a bearing; and a bevel gear 3 (557) meshed with the bevel gear 2 (555) and fixed to the rotating vertical tube (544) is fixedly arranged at the bottom of the rotating vertical tube (544).

5. The device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 3 is characterized by: A limit seat (559) slidably connected to the ring gear (551) is fixedly provided on the supporting transverse plate (552), a servo motor (558) is fixedly provided on the inner bottom of the detection barrel (2), and an output shaft of the servo motor (558) passes through one of the supporting transverse plates (552) and is fixedly connected to the rotating vertical shaft (543) thereon.

6. The device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 1 is characterized by: The liquid discharge component (6) comprises a water outlet (61) opened in the middle of the partition plate (3), and a liquid discharge pipe (62) fixed to the bottom of the detection barrel (2) and matching the water outlet (61); a sealing plug (63) matching the water outlet (61) is slidably provided at the top of the liquid discharge pipe (62); and a pushing component (66) for pushing the top of the sealing plug (63) to the interface between the water outlet pipe (65) and the liquid discharge pipe (62) is provided on the detection barrel (2).

7. A device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 6, characterized in that: A sealing cover (64) is fixedly provided on the outer side of the bottom of the sealing plug (63) and slides with the detection barrel (2). One side of the liquid discharge pipe (62) is fixedly connected to a water outlet pipe (65) that penetrates the detection barrel (2) and is fixed thereto.

8. A device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to claim 6, characterized in that: The pushing assembly (66) comprises a connecting vertical frame (661) fixedly arranged on the outer side of the bottom of the connecting vertical shaft and sliding with the detection barrel (2), and a movable ring body (662) slidably arranged on the outer side of the detection barrel (2), L-shaped connecting rods (663) are fixedly arranged at both ends of the bottom of the movable ring body (662), matching sliding vertical grooves are respectively opened on both sides of the bottom of the drainage pipe (62) and the detection barrel (2), and the bottom of the L-shaped connecting rod (663) successively passes through the two sliding vertical grooves and is fixedly connected to the bottom of the connecting vertical frame (661).

9. A method for using a device for rapid detection of harmful ion content in sand for roads, bridges and tunnels according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: First, turn on the detector to energize the electrodes and preheat the instrument for 30 minutes. Then calibrate the detector. Pour the NaCl standard solution into the detection bucket from the upper opening of the filter. Press the calibration button. According to the conductivity of the NaCl standard solution provided by the standard, rotate the value knob so that the conductivity reading on the detector is the same as the conductivity of the NaCl standard solution in the standard. S2: Then push the movable ring body downward, the movable ring body drives the connecting vertical frame to move downward through the L-shaped connecting rod, and the connecting vertical frame drives the sealing plug to separate from the water outlet, so that the NaCl standard solution is discharged smoothly through the drain pipe and the outlet pipe, and then pour clean water into the detection barrel to clean the filter screen and the barrel wall, and then let the cleaned sewage flow out through the drain pipe and the outlet pipe, and then push the movable ring body upward to plug the sealing plug in the outlet; S3: Then, the treated solution to be tested is added into the test barrel and the test barrel is moved to the bottom of the titration device, the stirring time and the interval stirring time are set by the detector, the servo motor is started and the titration experiment is performed, the output shaft of the servo motor drives the rotating vertical shaft on the top thereof to rotate, one of the rotating vertical shafts drives the transmission gear thereon to rotate, the transmission gear drives the ring gear meshing with it to rotate, the ring gear drives the remaining transmission gears to rotate, the transmission gear drives the rotating vertical shaft at its axis to rotate. When all the rotating vertical shafts rotate at the same time, the rotating vertical shaft drives the bevel gear 1 to rotate, the bevel gear 1 drives the bevel gear 3 to rotate through the bevel gear 2, and the bevel gear 3 drives the rotating vertical tube to rotate; S4: The rotating vertical tube and the rotating vertical shaft drive the stirring wheel 1 and the stirring wheel 2 to rotate in opposite directions respectively. The stirring wheel 1 and the stirring wheel 2 stir and mix the solution, and no vortex will appear during stirring. The stirring is stopped after a period of time, and the reading is taken through the detector to obtain the conductivity of the solution; S5: After the conductivity measurement is completed, turn off the detector, remove the filter, and push the movable ring downward at the same time. The movable ring drives the L-shaped connecting rods at both ends of the bottom to move downward, and the two L-shaped connecting rods drive the middle connecting vertical frame to move downward; S6: The connecting vertical frame drives the sealing plug to move downward, and the sealing plug drives the sealing cover to slide downward. The top of the sealing plug is separated from the water outlet, so that the solution enters the drain pipe through the water outlet. When the sealing plug moves to the interface between the water outlet pipe and the drain pipe, the solution enters the water outlet pipe through the drain pipe and is then discharged smoothly. Then, clean water is poured into the detection barrel to clean the filter screen and the barrel wall before being discharged.

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