CN115656165A - Rapid detection device and detection method for soil acidity and alkalinity - Google Patents
Rapid detection device and detection method for soil acidity and alkalinity Download PDFInfo
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- CN115656165A CN115656165A CN202211682116.9A CN202211682116A CN115656165A CN 115656165 A CN115656165 A CN 115656165A CN 202211682116 A CN202211682116 A CN 202211682116A CN 115656165 A CN115656165 A CN 115656165A
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Abstract
The invention belongs to the technical field of soil acidity and alkalinity detection, and particularly relates to a device, a method and a method for quickly detecting soil acidity and alkalinity. The invention comprises a frame and a sampling tube; a lifting cylinder is arranged on the frame, a lifting frame is connected to the lifting cylinder, and the sampling tube is rotatably connected with the lifting frame; a water pipe is movably connected in the sampling pipe, a water tank is arranged on the frame and provided with an avoidance hole matched with the sampling pipe at the bottom of the frame, a control valve component is connected on the water tank, and the water tank is connected with the water pipe through the control valve component; the bottom of the rack is connected with a detection box for receiving the mixed liquid, the side surface of the rack is provided with a pushing cylinder, the pushing cylinder is connected with the detection box, and the inner wall of the rack is provided with an acid-base indicator box; according to the invention, the sampling tube descends to take soil and then is mixed with automatic water, the water automatically flows into the detection box, and the mixed liquid is detected by the pH indicator, so that the problem that the detection of the pH value of the soil is troublesome and labor-consuming is solved.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a device and a method for quickly detecting the acidity and alkalinity of soil.
Background
Soil environment monitoring refers to determining environment quality and change trend thereof by measuring representative values of factors influencing soil environment quality, and generally refers to soil environment monitoring, which generally comprises technical contents such as stationing sampling, sample preparation, analysis method, result characterization, data statistics, quality evaluation and the like.
Gather soil sample and often use the geotome often, the lower extreme of current most geotome is cylindric column structure, when breaking away from ground after the geotome, the soil sample stays in the sampling tube, then takes out soil through the manual work again, and soil and water mix the back again and detect the pH valve of mixed liquid to judge the acid-base degree of soil, the time that whole testing process consumes is longer, and detection efficiency is low, is unfavorable for extensive the popularization.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a method for quickly detecting the pH value of soil.
In order to achieve the technical purpose, the concrete technical scheme of the invention is that the soil acid-base rapid detection device comprises a frame with a rectangular frame structure and a sampling tube; the lifting cylinder is arranged on the rack, the lifting frame is connected to the lifting cylinder, and the sampling tube is rotatably connected with the lifting frame; a water pipe is movably connected in the sampling pipe, and an avoidance hole matched with the sampling pipe is formed in the bottom of the rack; the rack is provided with a water tank, the water tank is connected with a control valve assembly, and the water tank is connected with the water pipe through the control valve assembly; the bottom of the rack is connected with a detection box for receiving mixed liquid, a push cylinder is arranged on the side surface of the rack and connected with the detection box, an acid-base indicator box is arranged on the inner wall of the rack, and an acid-base indicator for detecting the acidity and the alkalinity of the mixed liquid in the detection box is arranged in the acid-base indicator box.
As a preferable technical scheme of the invention, a filter cover is connected in the detection box.
As a preferable technical scheme of the invention, a fixed frame is arranged in the rack, a first rotating rod which is vertically arranged is rotatably connected to the fixed frame, a driving wheel is connected to the first rotating rod, and racks which are matched with the driving wheel are uniformly arranged on the surface of the sampling tube.
As a preferred technical scheme of the present invention, a horizontally arranged second rotating rod is connected to the fixed frame, one end of the second rotating rod is engaged with the first rotating rod through a gear, and a rotating disc is installed at the other end of the second rotating rod and connected with the lifting frame through a connecting rod.
As a preferred technical scheme of the invention, the lower end of the sampling tube is connected with a sampling head, one end of the water tube, which is positioned in the sampling tube, is provided with a water outlet hole, and the lower end of the water tube is connected with a spiral stirring rod.
As a preferred technical solution of the present invention, the control valve assembly includes a valve seat, a first through hole is formed in the valve seat, a valve block having a disc-shaped structure is rotatably connected to the valve seat, and a second through hole matched with the first through hole is formed in the valve block.
As a preferred technical scheme of the invention, the valve seat is connected with a lifting rod in a sealing manner, one end of the lifting rod is fixedly connected with the lifting frame, and the other end of the lifting rod is connected with a friction rod for driving the valve block to rotate.
As a preferable technical scheme of the invention, the bottom of the rack is connected with a support, and the support is provided with a mud scraper.
The invention also discloses a method for detecting the acidity and alkalinity of the soil, which comprises the following steps:
step one, a rack is placed above soil to be detected, a lifting cylinder is started to drive a lifting frame to descend, the lifting frame descends to drive a sampling tube to descend, and a sampling head is inserted into the soil to sample; when the sampling pipe descends, the control valve assembly is opened, and water flows out of the water tank into the sampling pipe;
step two, the lifting cylinder drives the lifting frame and the sampling tube to rise, the control valve assembly is closed, the pushing cylinder moves the detection box to the position below the sampling tube, water permeates into soil in the sampling tube and then flows into the detection box, and then the pushing cylinder is pushed to move to the original position;
and thirdly, dripping the acid-base indicator in the acid-base indicator box into the detection box, observing the color change of liquid in the detection box, comparing the color change with the standard color, and judging the acid-base degree of the soil.
The beneficial effects of the invention are as follows:
1. according to the invention, the sampling tube is driven to descend by the air cylinder, the valve assembly is controlled to be opened while the sampling tube descends for sampling, water automatically flows into the sampling tube from the water tank, the water and soil are mixed and then flow into the detection box, and then the acid-base indicator is added into the detection box to observe the color change of the mixed liquid, so that the whole detection process is convenient, time-saving and labor-saving.
2. According to the invention, the spiral stirring rod is arranged in the sampling tube, so that when the sampling tube ascends, the sampling tube automatically rotates, the stirring rod increases the mixing efficiency of water and soil, and the sampling tube automatically descends simultaneously, so that a sampling head can be conveniently inserted into soil.
3. The lifting frame is used for lifting and driving the sampling tube to rotate, so that soil in the sampling tube can be conveniently cleaned, and the mud scraper is arranged on the outer side of the sampling tube, so that soil on the surface of the sampling tube can be conveniently cleaned.
Drawings
Fig. 1 is a schematic structural diagram of a soil acid-base rapid detection device provided by the invention.
Fig. 2 is a schematic front view of fig. 1.
FIG. 3 is a schematic view of the structure of the sampling tube.
Fig. 4 is a schematic structural view of the control valve assembly.
FIG. 5 is a schematic view of the cartridge.
In the figure: 1. a frame; 2. a sampling tube; 3. a water pipe; 31. a water outlet hole; 32. a stirring rod; 4. a control valve assembly; 41. a valve seat; 42. a valve block; 43. a first through hole; 44. a second through hole; 45. a friction lever; 46. a lifting rod; 5. a lifting cylinder; 6. a water tank; 7. a first rotating lever; 8. a drive wheel; 9. a second rotating lever; 10. rotating the disc; 11. a connecting rod; 12. a fixed mount; 13. a support; 14. a mud scraper; 15. avoiding holes; 16. a detection cartridge; 161. a filter housing; 17. a push cylinder; 18. an acid-base indicator cartridge; 19. a lifting frame; 20. a sampling head; 21. a rack; 22. a power source.
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.
Example (b): as shown in fig. 1-5, the invention relates to a soil acid-base rapid detection device, which has the function of rapidly detecting the acid-base of soil, saves time and labor, and comprises a frame 1 with a rectangular frame structure and a sampling tube 2; the bottom of the frame 1 is provided with a support column, a power supply 22 is arranged on the frame 1, a lifting cylinder 5 is arranged on the frame 1, the lifting cylinder 5 is connected with a lifting frame 19, a bearing is sleeved outside the sampling tube 2, and the sampling tube 2 is rotatably connected with the lifting frame 19 through the bearing; the lower end of the sampling tube 2 is in threaded connection with a sampling head 20, the sampling head 20 is detachable and convenient to clean, the lower end of the sampling head 20 is pointed, a water pipe 3 is movably connected in the sampling tube 2, the upper end of the water pipe 3 is fixed with the top of the rack 1, the water pipe 3 does not lift along with the rack 1, an avoidance hole 15 matched with the sampling tube 2 is formed in the bottom of the rack 1, and the sampling tube 2 passes through the avoidance hole 15 after descending and is inserted into soil for sampling; a water tank 6 is arranged on the frame 1, a control valve component 4 is connected on the water tank 6, and the water tank 6 is connected with a water pipe 3 through the control valve component 4; frame 1 bottom is connected with the detection box 16 that is used for receiving the mixed liquid, it has filter mantle 161 to detect the in-box connection, filter mantle 161 is used for filtering the earth of whereabouts, leave the space between filter mantle 161 both sides and the detection box 16 inner wall, conveniently add the acid-base indicator, frame 1 side-mounting has push cylinder 17, push cylinder 17 is connected with detection box 16, frame 1 inner wall is installed acid-base indicator box 18, acid-base indicator box 18 adopts light-tight acid-base indicator bottle, acid-base indicator box 18 bottom is equipped with the water injection well choke, be equipped with in the acid-base indicator box 18 and be used for the acid-base indicator to detecting the interior mixed liquid acid-base detection of detection box 16, the acid-base indicator can adopt common acid-base indicator, like purple kerite solution and colorless phenolphthalein solution.
As shown in fig. 2-3, a fixing frame 12 is installed in the rack 1, the fixing frame 12 is in an L-shaped structure, a first rotating rod 7 which is vertically arranged is rotatably connected to the fixing frame 12, a driving wheel 8 is connected to the first rotating rod 7, racks 21 which are matched with the driving wheel 8 are uniformly arranged on the surface of the sampling tube 2, and the driving wheel 8 drives the sampling tube 2 to rotate when rotating; a second rotating rod 9 which is horizontally arranged is connected to the fixed frame 12, helical gears which are meshed with each other are arranged at one end of the second rotating rod 9 and the first rotating rod 7, a rotating disc 10 is arranged at the other end of the second rotating rod 9, the rotating disc 10 is connected with the lifting frame 19 through a connecting rod 11, two ends of the connecting rod 11 are rotatably connected with the rotating disc 10 and the lifting frame 19, a water outlet hole 31 is formed in one end of the water pipe 3, which is positioned in the sampling pipe 2, after water flows into the water pipe 3, the water flows into the sampling pipe 2 through the water outlet hole 31 to be mixed with soil, and a spiral stirring rod 32 is connected to the lower end of the water pipe 3; when the lifting cylinder 5 drives the lifting frame 19 to descend, the sampling tube 2 descends along with the lifting frame 19, the lifting frame 19 descends to drive the rotating disc 10 to rotate, the rotating disc 10 rotates to drive the second rotating rod 9, the first rotating rod 7 and the driving wheel 8 to rotate, the driving wheel 8 rotates to drive the sampling tube 2 to rotate, the sampling tube 2 rotates when descending, the sampling tube 2 is convenient to insert into soil, the sampling tube 2 rotates when ascending, the stirring rod 32 rotates in the sampling tube 2, water is convenient to mix with soil, the mixed water flows down more quickly, and the soil detection efficiency is improved; it goes up and down repeatedly through lift cylinder 5, can clear up the soil in the sample head 20 automatically, has made things convenient for and has washd sample head 20.
As shown in fig. 4, the control valve assembly 4 includes a valve seat 41, a first through hole 43 is formed in the valve seat 41, a valve block 42 with a disc-shaped structure is rotatably connected in the valve seat 41, a second through hole 44 matched with the first through hole 43 is formed in the valve block 42, when the first through hole 43 and the second through hole 44 are correspondingly communicated, the control valve assembly 4 is opened, and water flows into the water pipe 3 through the control valve assembly; when the second through holes 44 matched with the first through holes 43 are staggered, the control valve assembly 4 is closed at the moment; meanwhile, the valve seat 41 is hermetically connected with a lifting rod 46, one end of the lifting rod 46 is fixedly connected with the lifting frame 19, the other end of the lifting rod 46 is connected with a friction rod 45 for driving the valve block 42 to rotate, and the friction rod 45 is in surface contact with the valve block 42; when the lifting frame 19 is lifted, the lifting rod 46 drives the friction rod 45 to lift, and when the friction rod 45 is lifted, the valve block 42 is driven to rotate; when the friction rod 45 is going down, the first through hole 43 is communicated with the second through hole 44, and the control valve assembly 4 is opened; when the friction rod 45 rises, the first through hole 43 and the second through hole 44 are dislocated, and the control valve assembly 4 is closed; the purpose of automatically controlling the water outlet of the water tank 6 is achieved.
Preferably, frame 1 bottom is connected with support 13, installs the cleaning shoe 14 on the support 13, and cleaning shoe 14 and the surface contact of sampling head 20 conveniently scrape totally to the earth on sampling head 20 surfaces.
A method for detecting the acidity and alkalinity of soil utilizes the device for quickly detecting the acidity and alkalinity of the soil, and comprises the following steps:
step one, a rack 1 is placed above soil to be detected, a lifting cylinder 5 is started to drive a lifting frame 19 to descend, the lifting frame 19 descends to drive a sampling tube 2 to descend, and a sampling head 20 is inserted into the soil to perform sampling; when the sampling tube 2 descends, the control valve assembly 4 is opened, and water flows out of the water tank 6 into the sampling tube 2;
step two, the lifting cylinder 5 drives the lifting frame 19 and the sampling tube 2 to ascend, the control valve assembly 4 is closed, the pushing cylinder 17 moves the detection box 16 to the lower part of the sampling tube 2, water flows into the detection box 16 after penetrating into soil in the sampling tube 2, and then the pushing cylinder 17 is moved to the original position;
and step three, dripping the acid-base indicator in the acid-base indicator box 18 into the detection box 16, observing the color change of the liquid in the detection box 16, comparing the color change with a standard color, and judging the acid-base degree of the soil.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A soil acid-base rapid detection device is characterized by comprising a frame (1) with a rectangular frame structure and a sampling tube (2);
a lifting cylinder (5) is installed on the rack (1), a lifting frame (19) is connected to the lifting cylinder (5), and the sampling tube (2) is rotatably connected with the lifting frame (19); a water pipe (3) is movably connected in the sampling tube (2), and a avoiding hole (15) matched with the sampling tube (2) is formed in the bottom of the rack (1);
a water tank (6) is mounted on the rack (1), a control valve assembly (4) is connected to the water tank (6), and the water tank (6) is connected with the water pipe (3) through the control valve assembly (4);
the mixed liquid detection device is characterized in that a detection box (16) used for receiving mixed liquid is connected to the bottom of the rack (1), a pushing cylinder (17) is installed on the side face of the rack (1), the pushing cylinder (17) is connected with the detection box (16), an acid-base indicator box (18) is installed on the inner wall of the rack (1), and an acid-base indicator used for detecting the acid-base property of the mixed liquid in the detection box (16) is installed in the acid-base indicator box (18).
2. The device for rapidly detecting the acidity and alkalinity of the soil as claimed in claim 1, wherein a filter cover (161) is connected in the detection box (16).
3. The soil acidity and alkalinity rapid detection device according to claim 2, wherein a fixed frame (12) is installed in the rack (1), a vertically arranged first rotating rod (7) is rotatably connected to the fixed frame (12), a driving wheel (8) is connected to the first rotating rod (7), and racks (21) matched with the driving wheel (8) are uniformly arranged on the surface of the sampling tube (2).
4. A soil acid-base rapid detection device according to claim 3, characterized in that a horizontally arranged second rotating rod (9) is connected to the fixed mount (12), one end of the second rotating rod (9) is engaged with the first rotating rod (7) through a gear, a rotating disc (10) is installed at the other end of the second rotating rod (9), and the rotating disc (10) is connected with the lifting frame (19) through a connecting rod (11).
5. The device for rapidly detecting the acidity and alkalinity of soil according to claim 4, wherein a sampling head (20) is connected to the lower end of the sampling tube (2), a water outlet hole (31) is formed in one end, located in the sampling tube (2), of the water pipe (3), and a spiral stirring rod (32) is connected to the lower end of the water pipe (3).
6. The soil acid and alkali rapid detection device according to claim 5, wherein the control valve assembly (4) comprises a valve seat (41), a first through hole (43) is formed in the valve seat (41), a valve block (42) with a disc-shaped structure is rotatably connected in the valve seat (41), and a second through hole (44) matched with the first through hole (43) is formed in the valve block (42).
7. The soil acidity and alkalinity rapid detection device according to claim 6, wherein the valve seat (41) is hermetically connected with a lifting rod (46), one end of the lifting rod (46) is fixedly connected with the lifting frame (19), and the other end of the lifting rod (46) is connected with a friction rod (45) for driving the valve block (42) to rotate.
8. The device for rapidly detecting the acidity and alkalinity of the soil according to claim 7, wherein a bracket (13) is connected to the bottom of the machine frame (1), and a mud scraper (14) is installed on the bracket (13).
9. The method for detecting the acidity and alkalinity of the soil, which utilizes the device for quickly detecting the acidity and alkalinity of the soil as claimed in claim 8, is characterized by comprising the following steps:
step one, a rack (1) is placed above soil to be detected, a lifting cylinder (5) is started to drive a lifting frame (19) to descend, the lifting frame (19) descends to drive a sampling tube (2) to descend, and a sampling head (20) is inserted into the soil to perform sampling; when the sampling tube (2) descends, the control valve component (4) is opened, and water flows out of the water tank (6) into the sampling tube (2);
step two, the lifting cylinder (5) drives the lifting frame (19) and the sampling tube (2) to rise, the control valve component (4) is closed, the pushing cylinder (17) moves the detection box (16) to the position below the sampling tube (2), water flows into the detection box (16) after penetrating into soil in the sampling tube (2), and then the pushing cylinder (17) moves to the original position;
and thirdly, dripping the acid-base indicator in the acid-base indicator box (18) into the detection box (16), observing the color change of the liquid in the detection box (16), comparing the color change with a standard color, and judging the acid-base degree of the soil.
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| CN202211682116.9A CN115656165B (en) | 2022-12-27 | 2022-12-27 | Rapid detection device and detection method for soil acidity and alkalinity |
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| CN202211682116.9A CN115656165B (en) | 2022-12-27 | 2022-12-27 | Rapid detection device and detection method for soil acidity and alkalinity |
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| CN115656165B CN115656165B (en) | 2023-05-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115824704A (en) * | 2023-02-24 | 2023-03-21 | 深圳市岩土综合勘察设计有限公司 | Geotechnical sampling equipment for geological survey |
| CN116678659A (en) * | 2023-07-28 | 2023-09-01 | 中科泰检测(江苏)有限公司 | Polluted soil extraction acid-base sampling analysis device |
| CN116929836A (en) * | 2023-09-14 | 2023-10-24 | 武汉市城市防洪勘测设计院有限公司 | Soil acidity and alkalinity detection device for landscaping engineering |
| CN117250191A (en) * | 2023-10-10 | 2023-12-19 | 江苏瀚辰园林科技有限公司 | Soil acidity and alkalinity detection device for landscaping engineering |
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| CN115656165B (en) | 2023-05-09 |
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