CN115656165B - 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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- CN115656165B CN115656165B CN202211682116.9A CN202211682116A CN115656165B CN 115656165 B CN115656165 B CN 115656165B CN 202211682116 A CN202211682116 A CN 202211682116A CN 115656165 B CN115656165 B CN 115656165B
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Abstract
The invention belongs to the technical field of soil acid-base detection, and particularly relates to a device and a method for rapidly detecting the acid-base of soil. 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 rotationally connected with the lifting frame; the water pipe is movably connected in the sampling pipe, a water tank is arranged on the frame, which is provided with an avoidance hole matched with the sampling pipe, at the bottom of the frame, a control valve assembly is connected on the water tank, and the water tank is connected with the water pipe through the control valve assembly; the bottom of the frame is connected with a detection box for receiving the mixed liquid, a pushing cylinder is arranged on the side face of the frame, the pushing cylinder is connected with the detection box, and an acid-base indicator box is arranged on the inner wall of the frame; according to the invention, the sampling tube descends to sample soil and then is mixed with automatic water, the water automatically flows into the detection box, and the mixed liquid is detected by the acid-base indicator, so that the problem that the detection of the pH value of soil is labor-consuming is solved.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a rapid detection device and a detection method for the acidity and alkalinity of soil.
Background
Soil environment monitoring refers to determining environmental quality and variation trend thereof by measuring representative values of factors affecting the soil environment quality, and is generally referred to as soil environment monitoring, which generally comprises technical contents such as point setting sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like.
The soil sampler is usually used when collecting the soil sample, and the lower extreme of current most soil sampler soil sampling pole is cylindric structure, and when breaking away from ground after the soil sampling, the soil sample is stayed in the sampling tube, then the rethread is artifical takes out soil, and soil and water are mixed the back again to the pH value detection of mixed solution to judge the sour alkaline degree of soil, the time that whole testing process consumed is longer, and detection efficiency is low, is unfavorable for extensive popularization.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rapid detection device and a detection method for the acidity and alkalinity of soil, which are characterized in that a sampling tube descends to take soil and then is mixed with automatic water, the water automatically flows into a detection box, and the mixed solution is detected by an acid-base indicator, so that the problem that the pH value of the soil is troublesome and laborious to detect is solved.
In order to achieve the technical aim, the specific technical scheme of the invention is as follows, and the soil acidity and alkalinity rapid detection device provided by the invention comprises a rack with a rectangular frame structure and a sampling tube; the lifting cylinder is arranged on the frame, the lifting cylinder is connected with a lifting frame, and the sampling tube is rotationally 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 machine frame 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 device comprises a rack, and is characterized in that a detection box for receiving mixed liquid is connected to the bottom of the rack, a pushing cylinder is arranged on the side face of the rack, the pushing cylinder is 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 acid-base property of the mixed liquid in the detection box is arranged in the acid-base indicator box.
As a preferable technical scheme of the invention, the filter cover is connected to the detection box.
As a preferable technical scheme of the invention, a fixing frame is arranged in the frame, a first rotating rod which is vertically arranged is connected to the fixing frame in a rotating way, 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 preferable technical scheme of the invention, the fixing frame is connected with a second rotating rod which is horizontally arranged in a rotating way, one end of the second rotating rod is meshed with the first rotating rod through a gear, the other end of the second rotating rod is provided with a rotating disc, and the rotating disc is connected with the lifting frame through a connecting rod.
As a preferable technical scheme of the invention, the lower end of the sampling tube is connected with a sampling head, one end of the water tube 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 preferable technical scheme of the invention, the control valve assembly comprises a valve seat, a first through hole is formed in the valve seat, a valve block with a disc-shaped structure is rotationally connected to the valve seat, and a second through hole matched with the first through hole is formed in the valve block.
As a preferable technical scheme of the invention, the valve seat is connected with a lifting rod in a sealing way, 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 frame is connected with a bracket, and a mud scraping plate is arranged on the bracket.
The invention also discloses a method for detecting the acidity and the alkalinity of the soil, which comprises the following steps:
step one, placing a frame above soil to be detected, starting a lifting cylinder to drive a lifting frame to descend, and driving a sampling tube to descend by the descending of the lifting frame, wherein a sampling head is inserted into the soil for sampling; when the sampling tube descends, the control valve component is opened, and water flows out of the water tank into the sampling tube;
step two, the lifting cylinder drives the lifting frame and the sampling tube to ascend, the control valve assembly is closed, the pushing cylinder moves the detection box to the lower part of the sampling tube, water permeates into soil in the sampling tube and flows into the detection box, and then the pushing cylinder moves to a home position;
and thirdly, dripping the acid-base indicator in the acid-base indicator box into the detection box, observing the color change of the 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, water and soil are mixed and then flow into the detection box, then the acid-base indicator is added into the detection box for observing the color change of the mixed liquid, and 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 the sampling tube automatically rotates when the sampling tube ascends, the mixing efficiency of water and soil is improved by the stirring rod, and the sampling tube descends and simultaneously automatically occurs, thereby facilitating the insertion of the sampling head into the soil.
3. According to the invention, the lifting frame is lifted and driven to rotate the sampling tube, so that soil in the sampling tube can be conveniently cleaned, and the mud scraping plate 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 rapid soil acidity and alkalinity detection device provided by the invention.
Fig. 2 is a schematic front view of fig. 1.
FIG. 3 is a schematic structural view of a sampling tube.
FIG. 4 is a schematic structural view of a control valve assembly.
Fig. 5 is a schematic structural 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 driving wheel; 9. a second rotating lever; 10. a rotating disc; 11. a connecting rod; 12. a fixing frame; 13. a bracket; 14. a mud scraping plate; 15. avoidance holes; 16. a detection box; 161. a filter cover; 17. a pushing cylinder; 18. an acid-base indicator box; 19. a lifting frame; 20. a sampling head; 21. a rack; 22. and a power supply.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples: as shown in fig. 1-5, the invention relates to a rapid detection device for the acidity and alkalinity of soil, which has the function of rapidly detecting the acidity and alkalinity of soil, is time-saving and labor-saving, and comprises a rack 1 with a rectangular frame structure and a sampling tube 2; the bottom of the frame 1 is provided with a support column, the frame 1 is provided with a power supply 22, the frame 1 is provided with a lifting cylinder 5, the lifting cylinder 5 is connected with a lifting frame 19, the outer side of the sampling tube 2 is sleeved with a bearing, and the sampling tube 2 is rotationally 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 frame 1, the water pipe 3 does not lift along with the frame 1, an avoidance hole 15 matched with the sampling tube 2 is arranged at the bottom of the frame 1, and the sampling tube 2 passes through the avoidance hole 15 to be inserted into soil for sampling after being lowered; the frame 1 is provided with a water tank 6, the water tank 6 is connected with a control valve assembly 4, and the water tank 6 is connected with the water pipe 3 through the control valve assembly 4; the bottom of the frame 1 is connected with a detection box 16 for receiving the mixed solution, a filter cover 161 is connected in the detection box 16, the filter cover 161 is used for filtering fallen soil, a gap is reserved between two sides of the filter cover 161 and the inner wall of the detection box 16, an acid-base indicator is convenient to add, a pushing cylinder 17 is arranged on the side face of the frame 1, the pushing cylinder 17 is connected with the detection box 16, an acid-base indicator box 18 is arranged on the inner wall of the frame 1, the acid-base indicator box 18 adopts an opaque acid-base indicator bottle, a water nozzle is arranged at the bottom of the acid-base indicator box 18, an acid-base indicator for detecting the acid-base of the mixed solution in the detection box 16 is arranged in the acid-base indicator box 18, and the acid-base indicator can adopt common acid-base indicators such as a purple litmus solution and a colorless phenolphthalein solution.
As shown in fig. 2-3, a fixed frame 12 is installed in a frame 1, the fixed frame 12 is in an L-shaped structure, a first rotating rod 7 which is vertically arranged is connected on the fixed frame 12 in a rotating way, a driving wheel 8 is connected on 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 sampling tube 2 is driven to rotate when the driving wheel 8 rotates; the fixed frame 12 is connected with a second rotating rod 9 which is horizontally arranged in a rotating way, one end of the second rotating rod 9 and the first rotating rod 7 are both provided with bevel gears which are meshed with each other, the other end of the second rotating rod 9 is provided with a rotating disc 10, the rotating disc 10 is connected with a lifting frame 19 through a connecting rod 11, two ends of the connecting rod 11 are both rotationally connected with the rotating disc 10 and the lifting frame 19, one end of a water pipe 3 positioned in the sampling pipe 2 is provided with a water outlet hole 31, 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 the lower end of the water pipe 3 is connected with a spiral stirring rod 32; 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 when the sampling tube 2 descends, the sampling tube 2 is conveniently inserted into soil, the sampling tube 2 rotates when ascending, the stirring rod 32 rotates in the sampling tube 2, water and soil are conveniently mixed, so that mixed water flows down more quickly, and the detection efficiency of soil is improved; the soil in the sampling head 20 can be automatically cleaned by repeatedly lifting the lifting cylinder 5, so that the sampling head 20 is conveniently cleaned.
As shown in fig. 4, the control valve assembly 4 comprises a valve seat 41, a first through hole 43 is arranged 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 arranged on the valve block 42, when the first through hole 43 is correspondingly communicated with the second through hole 44, the control valve assembly 4 is opened at the moment, 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; meanwhile, the valve seat 41 is connected with a lifting rod 46 in a sealing way, 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 contact with the surface of the valve block 42; when the lifting frame 19 is lifted, the friction rod 45 is driven to lift by the lifting rod 46, and when the friction rod 45 is lifted, the valve block 42 is driven to rotate; when the friction rod 45 is downwards to be positioned, the first through hole 43 is communicated with the second through hole 44, and the control valve assembly 4 is opened; when the friction lever 45 is lifted, 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, the bottom of the frame 1 is connected with a bracket 13, a mud scraping plate 14 is arranged on the bracket 13, the mud scraping plate 14 is in surface contact with the sampling head 20, and soil on the surface of the sampling head 20 is conveniently scraped clean.
The method for detecting the acidity and alkalinity of the soil by using the rapid detection device for the acidity and alkalinity of the soil comprises the following steps:
firstly, placing a frame 1 above soil to be detected, starting a lifting cylinder 5 to drive a lifting frame 19 to descend, and driving a sampling tube 2 to descend by the descending of the lifting frame 19, wherein a sampling head 20 is inserted into the soil for sampling; while 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 permeates into soil in the sampling tube 2 and flows into the detection box 16, and then the pushing cylinder 17 moves to a home 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 with the 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 azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The rapid detection device for the acidity and alkalinity of the soil is characterized by comprising a rack (1) with a rectangular frame structure and a sampling tube (2);
the lifting cylinder (5) is arranged on the frame (1), the lifting cylinder (5) is connected with a lifting frame (19), and the sampling tube (2) is rotationally connected with the lifting frame (19); a water pipe (3) is movably connected in the sampling pipe (2), and an avoidance hole (15) matched with the sampling pipe (2) is formed in the bottom of the frame (1);
a water tank (6) is arranged on the frame (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 device comprises a rack (1), wherein the bottom of the rack (1) is connected with a detection box (16) for receiving mixed liquid, a pushing cylinder (17) is arranged 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 arranged 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 arranged in the acid-base indicator box (18);
a fixed frame (12) is arranged in the frame (1), a first rotating rod (7) which is vertically arranged is connected to the fixed frame (12) in a rotating way, a driving wheel (8) is connected to the first rotating rod (7), and racks (21) which are matched with the driving wheel (8) are uniformly arranged on the surface of the sampling tube (2); the fixed frame (12) is connected with a second rotating rod (9) which is horizontally arranged in a rotating way, one end of the second rotating rod (9) is meshed with the first rotating rod (7) through a gear, the other end of the second rotating rod (9) is provided with a rotating disc (10), and the rotating disc (10) is connected with the lifting frame (19) through a connecting rod (11);
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 connected in a rotating mode to the valve seat (41), and a second through hole (44) matched with the first through hole (43) is formed in the valve block (42); the valve seat (41) is connected with a lifting rod (46) in a sealing mode, 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) used for driving the valve block (42) to rotate.
2. The rapid soil acidity and alkalinity detection device according to claim 1, characterized in that a filter cover (161) is connected to the detection box (16).
3. The rapid soil acidity and alkalinity detecting device according to claim 2, wherein the lower end of the sampling tube (2) is connected with a sampling head (20), one end of the water tube (3) located in the sampling tube (2) is provided with a water outlet hole (31), and the lower end of the water tube (3) is connected with a spiral stirring rod (32).
4. A rapid soil acidity and alkalinity detecting device according to claim 3, characterized in that the bottom of the frame (1) is connected with a bracket (13), and a scraper (14) is mounted on the bracket (13).
5. A method for detecting the acidity and alkalinity of soil by using the rapid detection device for the acidity and alkalinity of soil according to claim 4, which is characterized by comprising the following steps:
step one, placing a frame (1) above soil to be detected, starting a lifting cylinder (5) to drive a lifting frame (19) to descend, and enabling the lifting frame (19) to descend to drive a sampling tube (2) to descend, wherein a sampling head (20) is inserted into the soil for sampling; 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, a lifting cylinder (5) drives a lifting frame (19) and a sampling tube (2) to ascend, a control valve assembly (4) is closed, a pushing cylinder (17) moves a detection box (16) to the lower part of the sampling tube (2), water permeates into soil in the sampling tube (2) and flows into the detection box (16), and then the pushing cylinder (17) moves to a home 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), and comparing with the standard color to judge the acid-base degree of the soil.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN115656165A CN115656165A (en) | 2023-01-31 |
| CN115656165B true CN115656165B (en) | 2023-05-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115824704B (en) * | 2023-02-24 | 2023-04-28 | 深圳市岩土综合勘察设计有限公司 | Geotechnical sampling equipment for geological survey |
| CN116678659B (en) * | 2023-07-28 | 2023-09-29 | 中科泰检测(江苏)有限公司 | Polluted soil extraction acid-base sampling analysis device |
| CN116929836B (en) * | 2023-09-14 | 2023-12-05 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108279141B (en) * | 2018-04-17 | 2023-08-04 | 中国科学院东北地理与农业生态研究所 | Soil pH value space variation field rapid determination equipment |
| CN110823627A (en) * | 2019-11-19 | 2020-02-21 | 成都赋阳技术开发有限公司 | Soil sampling and detecting device |
| CN111323259B (en) * | 2020-04-13 | 2020-11-10 | 山东国晟环境科技有限公司 | Soil sampler capable of automatically storing soil sample |
| CN116670490B (en) * | 2020-11-23 | 2024-05-28 | 唐山哈船科技有限公司 | Rock and soil sampling device for marine geological survey |
| CN112595836A (en) * | 2021-01-06 | 2021-04-02 | 南京旭丰和商贸有限公司 | Soil pH value layering intelligence analytical equipment |
| CN214844093U (en) * | 2021-02-23 | 2021-11-23 | 新疆水清清环境监测技术服务有限公司 | Soil heavy metal detects sampling integrated device |
| CN113092456B (en) * | 2021-03-20 | 2022-07-19 | 河南省科学院地理研究所 | Quick detection device of Tessier ion exchange state hexavalent chromium in soil |
| CN114608873A (en) * | 2022-03-30 | 2022-06-10 | 陈叶娟 | Soil detector for detecting soil pH value property |
| CN115143363B (en) * | 2022-09-05 | 2022-12-06 | 深圳市清华环科检测技术有限公司 | Detection device and detection method for soil pesticide residues |
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