CN116660323B - Agricultural farmland saline-alkali degree sampling detection device and method - Google Patents
Agricultural farmland saline-alkali degree sampling detection device and method Download PDFInfo
- Publication number
- CN116660323B CN116660323B CN202310908351.1A CN202310908351A CN116660323B CN 116660323 B CN116660323 B CN 116660323B CN 202310908351 A CN202310908351 A CN 202310908351A CN 116660323 B CN116660323 B CN 116660323B
- Authority
- CN
- China
- Prior art keywords
- soil
- welded
- plate
- low
- dissolving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 83
- 239000003513 alkali Substances 0.000 title claims abstract description 56
- 238000005070 sampling Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 151
- 150000003839 salts Chemical class 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 238000005303 weighing Methods 0.000 claims description 48
- 238000003825 pressing Methods 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000007667 floating Methods 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 23
- 239000003792 electrolyte Substances 0.000 claims description 20
- 238000004090 dissolution Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
Abstract
The invention discloses an agricultural farmland saline-alkali degree sampling detection device and method, and relates to the technical field of soil environment monitoring. The technical scheme is mainly used for improving related instruments and equipment for detecting the salt and alkalinity of soil and integrated recycling, wherein a height detection box and a low-height detection mechanism are used for detecting different salt and alkalinity levels of farmland soil respectively; and when the related equipment of the technical scheme is specifically used, the saline-alkali level of the soil to be detected is also required to be judged through the low-level detection mechanism, the low-saline-alkali soil is directly measured by utilizing the working principle of the conductivity meter, the high-saline-alkali soil is firstly judged through the low-level detection mechanism, and then the actual level of the saline-alkali level in the soil to be detected is finally determined in a mode of measuring through the high-level detection box.
Description
Technical Field
The invention belongs to the technical field of soil environment monitoring, and particularly relates to an agricultural farmland saline-alkali degree sampling detection device and method.
Background
The saline-alkali level of the soil generally refers to the content or concentration level of the soluble electrolyte in the soil, and can directly influence the growth condition of the planted plants; in cultivated land, the salt and alkali degree level can directly influence the yield of crops; in the prior art, the detection of the salt alkalinity of cultivated land is usually combined with the working principle of a conductivity meter, two groups of conductor plates are inserted into soil, and the conductivity of the soil in a corresponding area is detected by electrifying, so that the salt alkalinity is finally reflected; the technology has the defects that the technology can only directly detect the soil with low saline-alkali degree level, and the traditional testing mode can not obtain more accurate results under the conditions of high saline-alkali degree level and even soil hardening; therefore, in order to change the current situation and combine the working principle of the prior art, an agricultural farmland saline-alkali degree sampling detection device is designed.
Disclosure of Invention
The invention aims to provide an agricultural farmland saline-alkali degree sampling detection device and method, which solve the problems that the existing detection mode can only directly detect soil with low saline-alkali degree level, and more accurate results cannot be obtained even under the condition of too high saline-alkali degree level and even soil hardening.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an agricultural farmland saline-alkali degree sampling detection device and method, comprising a height detection box, a working box, a low-height detection mechanism and a water storage tank, wherein one side surface of the height detection box and the working box are welded and fixed into an integrated structure; the low-level detection mechanism comprises two groups of limiting sliding frames and two electrode plates, wherein pressing sliding rods are welded and fixed on two opposite side surfaces of the electrode plates, and the pressing sliding rods are arranged in the limiting sliding frames and are in sliding clamping with the limiting sliding frames; a pressing plate is fixedly welded between the two pressing slide bars on the same side; the upper surface of the height detection box is fixedly bolted with the water storage tank, and a water injection pipe is connected between the bottom of the water storage tank and the height detection box in a bolting way; the technical scheme is mainly used for improving related instruments and equipment for detecting the salt and alkalinity of soil and integrated recycling, wherein a height detection box and a low-height detection mechanism are used for detecting different salt and alkalinity levels of farmland soil respectively; and when the related equipment of the technical scheme is specifically used, the saline-alkali level of the soil to be detected is also required to be judged through the low-level detection mechanism, the low-saline-alkali soil is directly measured by utilizing the working principle of the conductivity meter, the high-saline-alkali soil is firstly judged through the low-level detection mechanism, and then the actual level of the saline-alkali level in the soil to be detected is finally determined in a mode of measuring through the high-level detection box.
Preferably, the inside of the height detection box is of a hollow structure, the inner surface of the height detection box is embedded and fixed with a dissolution pipe, and the water outlet end of the water injection pipe is extended and communicated to the inside of the dissolution pipe; the weighing rod and the height measuring rod are slidably clamped in the dissolving tube, the weighing plate is welded at the upper end of the weighing rod, the floating plate is welded at the lower end of the height measuring rod, and the floating plate is in contact opposite to the weighing plate in an initial state;
the lower end of the dissolution tube is welded and communicated with a solenoid, the lower end of the weighing rod is welded and fixed with a guide tube, the lower end of the guide tube is welded with a guide block, the guide block is electrically contacted with a solenoid coil arranged on an inner ring of the solenoid, and a sliding rheostat structure is formed among the guide tube, the guide block and the solenoid; the method comprises the steps that liquid filled in a water storage tank is pure water, and in combination with the structure, a dissolving pipe is used for dissolving soil with high salt and alkali degree into a mixed solution in actual operation, soil to be detected and pure water are required to be conveyed into the dissolving pipe in the dissolving process, and after the soluble electrolyte in the soil to be detected is completely dissolved, the solution is subjected to conductivity detection by utilizing the working mode of a conductivity meter, so that the concentration and quality of the electrolyte in the solution are determined; after pure water is injected and soil is conveyed, the floating plate is driven by the buoyancy of the solution to drive the height measuring rod to slide upwards, the weighing plate is driven by the weighing rod to slide downwards under the action of water and soil gravity, and the guide block slides downwards along with the guide pipe and contacts with the solenoid, so that the resistance value of the guide block in the access circuit is changed; when the resistance value in the solenoid switch-in circuit reaches a set value, the total mass of water and soil in the dissolving pipe reaches the set mass, and the driving motor and the water injection pump are closed at the moment; and standing for 10-20 min, and then starting the conductivity meter again to measure the conductivity of the mixed solution.
Preferably, the dissolving pipe is internally provided with a dissolving area and a loading area through a weighing plate, the dissolving area is arranged above the loading area, and the dissolving area and the loading area are mutually isolated through the weighing plate.
Preferably, a packing tube is welded and communicated with one side surface of the dissolution tube, a conveying cylinder is welded and communicated with one end of the packing tube, a conveying shaft is connected between the packing tube and the conveying cylinder in a rotating way, a conveying keel is welded on the peripheral side surface of the conveying shaft, and the outer edges of the conveying keels are respectively adapted to the conveying cylinder and the inner wall of the packing tube and are attached to the inner wall; the upper side surface of the conveying cylinder is welded and communicated with a feeding hopper, a crushing shaft is connected with the inner surface rotating shaft of the feeding hopper, a plurality of crushing frames are welded and fixed on the peripheral side surface of the crushing shaft, and a crushing roller is connected with the inner surface rotating shaft of the crushing frames; the periphery of the crushing roller is welded with a plurality of crushing roller nails, the outer edges of the crushing roller nails are in contact with the inner wall of the feeding hopper, one end of the conveying shaft extends to the outside of the conveying cylinder, and a driving motor is fixedly bolted to the inner surface of the working box, wherein one end of an output shaft of the driving motor is fixedly connected with the conveying shaft; a driving gear is fixedly welded on the peripheral side surface of the output shaft of the driving motor; the upper surface of the feeding hopper is fixedly connected with a transmission frame in a bolting way, and a surface rotating shaft of the transmission frame is connected with a transmission rod; the upper end of the transmission rod is welded with a transmission wheel, and the lower end of the transmission rod is welded with a driven gear, wherein the driven gear is meshed with the driving gear; the upper end of the crushing shaft is fixedly welded with a driven wheel, a transmission belt is sleeved between the driven wheel and the transmission wheel, and the driven wheel and the transmission wheel form a belt pulley transmission structure; when the high-salinity soil is required to be detected, the soil sample with fixed volume and mass is firstly taken out and put into the feeding hopper, the crushing roller is driven by the belt pulley transmission structure and the gear engagement transmission structure to crush and mill the soil sample through the driving motor, and meanwhile, the crushed sample is conveyed to the inside of the dissolution tube by the conveying keel to participate in the dissolution work.
Preferably, the upper end of the height measuring rod is welded with a conductive plate, and the conductive plate is arranged outside the upper part of the dissolving tube; the floating plate is of a cover-shaped structure, and a plurality of through grooves are formed in the floating plate; the inside slip block of logical groove has the intercommunication bolt, constitutes one-way intercommunication channel structure between the two, and communicates through logical groove and intercommunication bolt between the top and the below of floating plate.
Preferably, a return spring is nested on the peripheral side surface of the weighing rod, and the return spring is arranged between the weighing plate and the bottom surface of the dissolving tube; the inner wall of the dissolution zone is hinged with a sealing plate which is arranged at the joint of the dissolution pipe and the sealing pipe, and the sealing plate is in plugging fit with the pipe orifice of the sealing pipe; the joint of the sealing plate, the sealing tube and the dissolving tube forms a one-way valve structure, so that soil samples can only be injected into the dissolving tube from the sealing tube, and materials in the dissolving tube cannot enter the sealing tube.
Preferably, the lower end of the electrode plate is provided with a knife edge shape, and the lower end of the pressing slide bar is provided with a nail shape; the electrode plate, the pressing slide bar and the pressing plate are conductors, the height measuring bar, the floating plate and the conducting plate are conductors, and the weighing bar and the weighing plate are conductors; when the special structures of the electrode plates and the pressing slide bars are combined, and the pressing plate is pressed down to enable the pressing slide bars of the two low-level testing poles to drive the electrode plates to be inserted into the soil when the low-salt-content soil is detected, a conductivity meter is started to detect the soil conductivity of a corresponding area, and the corresponding salt concentration, namely the salt alkalinity, can be obtained through calculation of the relation between the conductivity and the salt concentration; when the reading is between 0.05 and 0.7 mu S/cm, the soil to be tested is low-salinity soil, and the salinity and alkalinity value is directly recorded; judging the soil with high salt and alkali degree when the reading is too high; the electrode plates, the pressing slide bars and the pressing plates on the same side form a low-degree test electrode, and the two low-degree test electrodes are respectively and electrically connected with the conductive plate and the solenoid; the height measuring rod, the weighing rod, the floating plate, the conducting plate, the guide pipe and the solenoid form a height test set together, and the height test set is electrically connected with the low-height test mechanism in parallel; the conductivity meter is electrically connected between the low-level testing mechanism and the high-level testing group, and the flowmeter and the water injection pump are arranged on the surface of the water injection pipe.
The detection method of the agricultural farmland saline-alkali degree sampling detection device is applied, when saline-alkali degree test is carried out on farmland soil to be detected, two conditions are needed to be distinguished, low saline-alkali degree soil and high saline-alkali degree soil are carried out through a low-degree test mechanism when the low saline-alkali degree soil is detected, the high saline-alkali degree soil is detected through the low-degree test mechanism, and then the high saline-alkali degree soil is detected through a high test group, and the detection method comprises the following steps:
firstly, integrally placing the equipment in the technical scheme at the position of soil to be detected, pressing down a pressing plate to enable a pressing slide bar of two low-level testing poles to drive an electrode plate to be inserted into the soil, starting a conductivity meter to detect the conductivity of the soil in a corresponding area, and calculating the relation between the conductivity and the salt concentration to obtain the corresponding salt concentration, namely the salt alkalinity; when the reading is 0.05-0.7 mu S/cm, the soil to be tested is low-salinity soil, and the salinity and alkalinity value is directly recorded; judging the soil with high salt and alkali degree when the reading is too high;
step two, when the judging result in the step one is high-salinity soil, manually or mechanically taking a soil sample with fixed quality, placing the soil sample into a feeding hopper, starting a water injection pump and a driving motor at the same time, conveying the soil sample into a dissolving pipe on one hand, and injecting water into the interior to dissolve the soil sample on the other hand; in the dissolving process, the floating plate is driven to slide upwards by the buoyancy of the solution, meanwhile, the weighing plate drives the weighing rod to slide downwards by the gravity of water and soil, and meanwhile, the guide block slides downwards along with the guide pipe and contacts with the solenoid, so that the resistance value of the guide block in the access circuit is changed; when the resistance value in the solenoid switch-in circuit reaches a set value, the total mass of water and soil in the dissolving pipe also reaches the set mass, and the driving motor and the water injection pump are closed at the moment; then standing for 10-20 min, and then starting the conductivity meter again to measure the conductivity of the mixed solution;
step three, combining the other structural characteristics in the height detection box, wherein the flowmeter directly displays the water injection quantity, and the volume of electrolyte in the soil is ignored after the electrolyte is dissolved in water, so that the total mass of the electrolyte in the soil sample is further calculated through the measured electrolyte concentration; and then, as the mass and the volume of the soil sample are fixed values, the concentration of the soluble electrolyte in the soil sample is further calculated, namely the salt alkalinity of the soil of the sample.
The invention has the following beneficial effects:
the technical scheme is mainly used for improving related instruments and equipment for detecting the salt and alkalinity of soil and integrated recycling, wherein a height detection box and a low-height detection mechanism are used for detecting different salt and alkalinity levels of farmland soil respectively; when the related equipment of the technical scheme is specifically used, the saline-alkali level of the soil to be detected is determined by the low-level detection mechanism, the low-saline-alkali soil is directly determined by utilizing the working principle of the conductivity meter, the high-saline-alkali soil is determined by the low-level detection mechanism, and the actual level of the saline-alkali level in the soil to be detected is finally determined by the determination of the high-saline-alkali detection box;
the technical scheme is mainly based on the principle of detecting the alkalinity and the salinity of the soil by the existing conductivity detection method, and integrates and utilizes related instruments and equipment in the prior art, and the high-salinity soil in the technical scheme generally comprises two types, namely high-salinity soil with low moisture content and high-salinity soil with high moisture content, wherein the result generated by a conductivity meter when the soil is detected by a low-salinity detection mechanism is generally a reading value of 0 or far higher than a normal reading range, namely hardened soil and high-salinity soil; after the related structure in the technical scheme is detected, the detection result can be more accurate.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an assembly structure diagram of an agricultural farmland salinization sampling detection device of the present invention;
FIG. 2 is a top view of an agricultural land saline-alkali soil sampling detection device of the present invention;
FIG. 3 is a view showing the structure and intent of section A-A of FIG. 2;
FIG. 4 is a partial, displayed view of portion B of FIG. 3;
FIG. 5 is a partial, displayed view of portion C of FIG. 3;
FIG. 6 is a partial, displayed view of the portion D of FIG. 3;
FIG. 7 is a partial display view of portion E of FIG. 3;
FIG. 8 is a schematic view of the structure of section F-F in FIG. 3;
fig. 9 is a partially-shown view of the portion G in fig. 8.
In the drawings, the list of components represented by the various numbers is as follows:
1. a height detection box; 2. a work box; 3. a water storage tank; 4. limiting sliding frame; 5. an electrode plate; 6. pressing a slide bar; 7. a pressing plate; 8. a water injection pipe; 9. a dissolution tube; 10. a weighing rod; 11. a height measuring rod; 12. a weighing plate; 13. a floating plate; 14. a solenoid; 15. a conduit; 16. a guide block; 17. a dissolution zone; 18. a loading area; 19. a packing tube; 20. a delivery cylinder; 21. a conveying shaft; 22. conveying keels; 23. a hopper; 24. a crushing shaft; 25. a crushing frame; 26. a pulverizing roller; 27. a drive motor; 28. a drive gear; 29. a transmission frame; 30. a transmission rod; 31. a driving wheel; 32. a driven gear; 33. driven wheel; 34. a drive belt; 35. a conductive plate; 36. a through groove; 37. a communication bolt; 38. a return spring; 39. and (5) sealing the partition board.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-9, the invention discloses a device and a method for detecting the saline-alkali degree of agricultural farmland, which comprises a height detection box 1, a working box 2, a low-height detection mechanism and a water storage tank 3, wherein one side surface of the height detection box 1 and the working box 2 are welded and fixed into an integrated structure; the low-level detection mechanism comprises two groups of limiting sliding frames 4 and two electrode plates 5, wherein pressing sliding rods 6 are welded and fixed on the two opposite side surfaces of the electrode plates 5, and the pressing sliding rods 6 are arranged in the limiting sliding frames 4 and are in sliding clamping with the limiting sliding frames 4; a pressing plate 7 is welded and fixed between the two pressing slide bars 6 on the same side; the upper surface of the height detection box 1 is fixedly bolted with the water storage tank 3, and a water injection pipe 8 is connected between the bottom of the water storage tank 3 and the height detection box 1 in a bolting way; the technical scheme is mainly used for improving related instruments and equipment for detecting the salt and alkalinity of soil and integrated recycling, wherein the height detection box 1 and the low-height detection mechanism respectively detect different salt and alkalinity levels of cultivated soil; and when the related equipment of the technical scheme is specifically used, the saline-alkali level of the soil to be detected is also required to be judged through the low-alkali detection mechanism, the low-saline-alkali soil is directly measured by utilizing the working principle of the conductivity meter, the high-saline-alkali soil is firstly judged through the low-alkali detection mechanism, and then the actual level of the saline-alkali level in the soil to be detected is finally determined in a mode of measuring through the high-alkali detection box 1.
Preferably, the inside of the height detection box 1 is of a hollow structure, the inner surface of the height detection box is embedded and fixed with a dissolving pipe 9, and the water outlet end of the water injection pipe 8 is extended and communicated to the inside of the dissolving pipe 9; a weighing rod 10 and a height measuring rod 11 are slidably clamped in the dissolving tube 9, wherein a weighing plate 12 is welded at the upper end of the weighing rod 10, a floating plate 13 is welded at the lower end of the height measuring rod 11, and the floating plate 13 is in contact opposite to the weighing plate 12 in an initial state;
the lower end of the dissolving tube 9 is welded and communicated with a solenoid 14, the lower end of the weighing rod 10 is welded and fixed with a guide tube 15, the lower end of the guide tube 15 is welded with a guide block 16, the guide block 16 is in electrical contact with a solenoid coil arranged on the inner ring of the solenoid 14, and a sliding rheostat structure is formed among the guide tube 15, the guide block 16 and the solenoid 14; the method comprises the steps that liquid filled in a water storage tank 3 is pure water, and in combination with the structure, in actual working, a dissolving pipe 9 is used for dissolving soil with high salt and alkali degree into a mixed solution, in the dissolving process, soil to be detected and pure water need to be conveyed into the dissolving pipe 9 at the same time, and after the soluble electrolyte in the soil to be detected is completely dissolved, the solution is subjected to conductivity detection by utilizing a working mode of a conductivity meter, so that the concentration and quality of the electrolyte in the solution are determined; after pure water is injected and soil is conveyed, the floating plate 13 is driven by the buoyancy of the solution to drive the height measuring rod 11 to slide upwards, the weighing plate 12 is driven by the weighing rod 10 to slide under the action of water and soil gravity, and the guide block 16 slides downwards along with the guide pipe 15 and contacts with the solenoid 14, so that the resistance value of the switch-in circuit is changed; wherein, in actual operation, when the resistance value of the solenoid 14 connected into the circuit reaches a set value, the total mass of water and soil in the dissolving tube 9 reaches the set mass, and at the moment, the driving motor 27 and the water injection pump are closed; and standing for 10-20 min, and then starting the conductivity meter again to measure the conductivity of the mixed solution.
Preferably, the interior of the dissolving tube 9 is divided by the weighing plate 12 into a dissolving zone 17 and a loading zone 18, and the dissolving zone 17 is arranged above the loading zone 18 and is isolated from each other by the weighing plate 12.
Preferably, a packing tube 19 is welded and communicated with one side surface of the dissolution tube 9, a conveying cylinder 20 is welded and communicated with one end of the packing tube 19, a conveying shaft 21 is connected between the packing tube and the conveying cylinder, a conveying keel 22 is welded on the peripheral side surface of the conveying shaft 21, and the outer edges of the conveying keels 22 are respectively adapted to the inner walls of the conveying cylinder 20 and the packing tube 19 and are attached to the inner walls; the upper side surface of the conveying cylinder 20 is welded and communicated with a feeding hopper 23, the inner surface of the feeding hopper 23 is connected with a crushing shaft 24 in a rotating way, a plurality of crushing frames 25 are welded and fixed on the peripheral side surface of the crushing shaft 24, and the inner surface of the crushing frame 25 is connected with a crushing roller 26 in a rotating way; the peripheral side surface of the crushing roller 26 is welded with a plurality of crushing roller nails, the outer edges of the crushing roller nails are in contact with the inner wall of the feeding hopper 23, one end of the conveying shaft 21 extends to the outside of the conveying cylinder 20, a driving motor 27 is fixedly bolted to the inner surface of the working box 2, and one end of an output shaft of the driving motor 27 is fixedly connected with the conveying shaft 21; a driving gear 28 is welded and fixed on the peripheral side surface of the output shaft of the driving motor 27; the upper surface of the feeding hopper 23 is fixedly connected with a transmission frame 29 in a bolting way, and a transmission rod 30 is connected with a surface rotation shaft of the transmission frame 29; the upper end of the transmission rod 30 is welded with a transmission wheel 31, and the lower end is welded with a driven gear 32, wherein the driven gear 32 is meshed with the driving gear 28; the upper end of the crushing shaft 24 is fixedly welded with a driven wheel 33, a transmission belt 34 is sleeved between the driven wheel 33 and the transmission wheel 31, and the driven wheel 33 and the transmission wheel 31 form a belt pulley transmission structure; in combination with the above structure, when it is required to detect high-salinity soil, firstly, a soil sample with a fixed volume and mass is taken out and put into the hopper 23, and the soil sample is crushed and milled by the crushing roller 26 driven by the pulley transmission structure and the gear engagement transmission structure through the driving motor 27, and meanwhile, the crushed sample is conveyed to the inside of the dissolution tube 9 by the conveying keel 22, so as to participate in the dissolution work.
Preferably, the upper end of the height measuring rod 11 is welded with a conductive plate 35, and the conductive plate 35 is arranged outside the upper part of the dissolution tube 9; the floating plate 13 is of a cover-shaped structure, and a plurality of through grooves 36 are formed in the floating plate; the through groove 36 is slidably engaged with a communication bolt 37, a one-way communication channel structure is formed between the through groove 36 and the communication bolt 37, and the upper part and the lower part of the floating plate 13 are communicated through the through groove 36 and the communication bolt 37.
Preferably, the return spring 38 is nested on the peripheral side of the weighing rod 10, and the return spring 38 is arranged between the weighing plate 12 and the bottom surface of the dissolving tube 9; the inner wall of the dissolving area 17 is hinged with a sealing plate 39, the sealing plate 39 is arranged at the joint of the dissolving pipe 9 and the sealing pipe 19, and the sealing plate 39 is in plugging fit with the pipe orifice of the sealing pipe 19; the joint of the sealing plate 39, the sealing tube 19 and the dissolving tube 9 forms a one-way valve structure, so that soil samples can only be injected into the dissolving tube 9 from the sealing tube 19, and materials in the dissolving tube 9 cannot enter the sealing tube 19.
Preferably, the lower end of the electrode plate 5 is provided with a knife edge shape, and the lower end of the pressing slide bar 6 is provided with a nail shape; the electrode plate 5, the pressing slide bar 6 and the pressing plate 7 are conductors, the height measuring rod 11, the floating plate 13 and the conducting plate 35 are conductors, and the weighing rod 10 and the weighing plate 12 are conductors; by combining the special structures of the electrode plate 5 and the pressing slide bar 6, when the low-salinity soil is detected, the pressing slide bar 6 of the two low-salinity test poles drives the electrode plate 5 to be inserted into the soil through the lower pressing plate 7, a conductivity meter is started to detect the soil conductivity of a corresponding area, and the corresponding salinity, namely the salinity, can be obtained through the calculation of the relation between the conductivity and the salinity; when the reading is 0.05-0.7 mu S/cm, the soil to be tested is low-salinity soil, and the salinity and alkalinity value is directly recorded; judging the soil with high salt and alkali degree when the reading is too high; the electrode plate 5, the pressing slide bar 6 and the pressing plate 7 on the same side form a low-level test electrode, and the two low-level test electrodes are respectively and electrically connected with the conductive plate 35 and the solenoid 14; the height measuring rod 11, the weighing rod 10, the floating plate 13, the conducting plate 35, the guide pipe 15 and the solenoid 14 form a height test set, and the height test set is electrically connected with the low-height test mechanism in parallel; and a conductivity meter is electrically connected between the low-level testing mechanism and the high-level testing group, and a flowmeter and a water injection pump are arranged on the surface of the water injection pipe 8.
Examples
The detection method of the agricultural farmland saline-alkali degree sampling detection device is applied, when saline-alkali degree test is carried out on farmland soil to be detected, two conditions are needed to be distinguished, low saline-alkali degree soil and high saline-alkali degree soil are carried out through a low-degree test mechanism when the low saline-alkali degree soil is detected, the high saline-alkali degree soil is detected through the low-degree test mechanism, and then the high saline-alkali degree soil is detected through a high test group, and the detection method comprises the following steps:
firstly, integrally placing the equipment in the technical scheme at the position of soil to be detected, enabling the pressing slide bars 6 of the two low-level test poles to drive the electrode plates 5 to be inserted into the soil through the lower pressing plate 7, starting the conductivity meter to detect the soil conductivity of a corresponding area, and calculating the relation between the conductivity and the salt concentration to obtain the corresponding salt concentration, namely the salt alkalinity; when the reading is between 0.05 and 0.7 mu S/cm, the soil to be tested is low-salinity soil, and the salinity and alkalinity value is directly recorded; judging the soil with high salt and alkali degree when the reading is too high;
step two, when the judging result in the step one is high-salinity soil, manually or mechanically taking a soil sample with fixed quality, placing the soil sample into the feeding hopper 23, starting the water injection pump and the driving motor 27 at the same time, conveying the soil sample into the dissolving pipe 9 on one hand, and injecting water into the interior to dissolve the soil sample on the other hand; in the dissolving process, the floating plate 13 is driven to slide upwards by the buoyancy of the solution to drive the height measuring rod 11, meanwhile, the weighing plate 12 drives the weighing rod 10 to slide downwards by the gravity of water and soil, and meanwhile, the guide block 16 slides downwards along with the guide pipe 15 and contacts with the solenoid 14, so that the resistance value of the switch-in circuit is changed; wherein, in actual operation, when the resistance value of the solenoid 14 connected into the circuit reaches a set value, the total mass of water and soil in the dissolving tube 9 also reaches the set mass, and at the moment, the driving motor 27 and the water injection pump are closed; then standing for 10-20 min, and then starting the conductivity meter again to measure the conductivity of the mixed solution;
step three, combining the other structural characteristics in the height detection box 1, wherein the flowmeter directly displays the water injection quantity, and the volume of electrolyte in the soil is ignored after the electrolyte is dissolved in water, so that the total mass of the electrolyte in the soil sample is further calculated through the measured electrolyte concentration; and then, as the mass and the volume of the soil sample are fixed values, the concentration of the soluble electrolyte in the soil sample is further calculated, namely the salt alkalinity of the soil of the sample.
It should be noted that, the present technical solution is mainly based on the principle of detecting the alkalinity and salinity of the soil by the existing conductivity detection method, and the integrated utilization of related instruments and equipment in the prior art is performed, and the high-salinity soil in the foregoing technical solution generally includes two kinds, namely, high-salinity soil with low moisture content and high-salinity soil with high moisture content, and the result generated by the conductivity meter when the two kinds of soil are measured by the low-salinity detection mechanism is generally a reading value of 0 or far higher than the normal reading range, namely, hardened soil and high-salinity soil; after the related structure in the technical scheme is detected, the detection result can be more accurate.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides an agricultural farmland saline and alkaline degree sampling detection device, includes high detection case (1), work box (2), low detection mechanism and storage water tank (3), its characterized in that: one side surface of the height detection box (1) and the working box (2) are welded and fixed into an integrated structure; the low-level detection mechanism comprises two groups of limiting sliding frames (4) and two electrode plates (5), wherein pressing sliding rods (6) are welded and fixed on the two opposite side surfaces of the electrode plates (5), and the pressing sliding rods (6) are arranged in the limiting sliding frames (4) and are in sliding clamping connection with the limiting sliding frames; a pressing plate (7) is welded and fixed between the two pressing slide bars (6) on the same side; the upper surface of the height detection box (1) is fixedly bolted with the water storage tank (3), and a water injection pipe (8) is connected between the bottom of the water storage tank (3) and the height detection box (1) in a bolting way;
the inside of the height detection box (1) is of a hollow structure, the inner surface of the height detection box is fixedly embedded with a dissolution pipe (9), and the water outlet end of the water injection pipe (8) is extended and communicated to the inside of the dissolution pipe (9); the dissolving tube (9) is internally and slidably clamped with a weighing rod (10) and a height measuring rod (11), wherein the upper end of the weighing rod (10) is welded with a weighing plate (12), the lower end of the height measuring rod (11) is welded with a floating plate (13), and the floating plate (13) is contacted and opposite to the weighing plate (12) in an initial state;
the lower end of the dissolution tube (9) is welded and communicated with a solenoid (14), the lower end of the weighing rod (10) is welded and fixed with a guide tube (15), the lower end of the guide tube (15) is welded with a guide block (16), the guide block (16) is electrically contacted with a solenoid coil arranged on the inner ring of the solenoid (14), and a sliding rheostat structure is formed among the guide tube (15), the guide block (16) and the solenoid (14);
the dissolving pipe (9) is internally provided with a dissolving area (17) and a loading area (18) through a weighing plate (12), the dissolving area (17) is arranged above the loading area (18), and the dissolving area and the loading area are mutually isolated through the weighing plate (12);
a packing tube (19) is welded and communicated with one side surface of the dissolving tube (9), a conveying cylinder (20) is welded and communicated with one end of the packing tube (19), a conveying shaft (21) is connected between the packing tube and the conveying cylinder in a rotating mode, conveying keels (22) are welded on the peripheral side surface of the conveying shaft (21), and the outer edges of the conveying keels (22) are respectively adapted to the inner walls of the conveying cylinder (20) and the packing tube (19) and are attached to the inner walls;
the upper side surface of the conveying cylinder (20) is welded and communicated with a feeding hopper (23), a crushing shaft (24) is connected with the inner surface rotating shaft of the feeding hopper (23), a plurality of crushing frames (25) are welded and fixed on the peripheral side surface of the crushing shaft (24), and a crushing roller (26) is connected with the inner surface rotating shaft of the crushing frames (25); the peripheral side face of the crushing roller (26) is welded with a plurality of crushing roller nails, and the outer edges of the crushing roller nails are in contact with the inner wall of the feeding hopper (23).
2. The agricultural farmland salinization sampling detection device according to claim 1, characterized in that one end of the conveying shaft (21) extends to the outside of the conveying cylinder (20), a driving motor (27) is bolted and fixed on the inner surface of the working box (2), and one end of an output shaft of the driving motor (27) is fixedly connected with the conveying shaft (21);
a driving gear (28) is welded and fixed on the peripheral side surface of the output shaft of the driving motor (27); a transmission frame (29) is fixedly bolted to the upper surface of the feeding hopper (23), and a transmission rod (30) is connected to a surface rotation shaft of the transmission frame (29); the upper end of the transmission rod (30) is welded with a transmission wheel (31), and the lower end is welded with a driven gear (32), wherein the driven gear (32) is meshed with the driving gear (28); the upper end of the crushing shaft (24) is fixedly welded with a driven wheel (33), a transmission belt (34) is sleeved between the driven wheel (33) and the transmission wheel (31), and the driven wheel, the transmission wheel and the transmission wheel form a belt pulley transmission structure.
3. The agricultural farmland salinization sampling detection device according to claim 2, characterized in that the upper end of the height measuring rod (11) is welded with a conductive plate (35), and the conductive plate (35) is arranged outside the upper part of the dissolving pipe (9); the floating plate (13) is of a cover-shaped structure, and a plurality of through grooves (36) are formed in the floating plate; the inside sliding block of logical groove (36) has intercommunication bolt (37), constitutes one-way communication channel structure between the two, and between the top and the below of floating plate (13) through logical groove (36) and intercommunication bolt (37).
4. The agricultural farmland salinization sampling detection device according to claim 3, characterized in that a return spring (38) is nested on the peripheral side surface of the weighing rod (10), and the return spring (38) is arranged between the weighing plate (12) and the bottom surface of the dissolving tube (9); the inner wall of the dissolving area (17) is hinged with a sealing plate (39), the sealing plate (39) is arranged at the joint of the dissolving pipe (9) and the sealing pipe (19), and the sealing plate (39) is in plugging fit with the pipe orifice of the sealing pipe (19).
5. The agricultural farmland salinization sampling detection device according to claim 4, characterized in that the lower end of the electrode plate (5) is provided with a blade shape, and the lower end of the slide pressing rod (6) is provided with a nail shape; the electrode plate (5), the pressing slide bar (6) and the pressing plate (7) are conductors, the height measuring rod (11), the floating plate (13) and the conducting plate (35) are conductors, and the weighing rod (10) and the weighing plate (12) are conductors; the electrode plates (5), the pressing slide bars (6) and the pressing plates (7) on the same side form a low-degree test electrode, and the two low-degree test electrodes are respectively and electrically connected with the conductive plate (35) and the solenoid (14); the height measuring rod (11), the weighing rod (10), the floating plate (13), the conducting plate (35), the guide pipe (15) and the solenoid (14) form a height test set together, and the height test set is electrically connected with the low-height test mechanism in parallel;
the conductivity meter is electrically connected between the low-level testing mechanism and the high-level testing group, and a flowmeter and a water injection pump are arranged on the surface of the water injection pipe (8).
6. The detection method using the agricultural farmland saliency sampling detection apparatus according to any one of claims 1 to 5, wherein when the saliency test is performed on farmland soil to be detected, two conditions are required to be distinguished, low saliency soil and high saliency soil, when the low saliency soil is detected, the detection is performed by a low-level test mechanism, when the high saliency soil is detected, the detection is performed by a low-level test mechanism, and then the detection is performed by a high-level test group, comprising the following steps:
firstly, integrally placing equipment in the technical scheme at a position of soil to be detected, pressing a pressing plate (7) to enable a pressing slide rod (6) of two low-level testing poles to drive an electrode plate (5) to be inserted into the soil, starting a conductivity meter to detect the soil conductivity of a corresponding region, and calculating the relation between the conductivity and the salt concentration to obtain the corresponding salt concentration, namely the salt alkalinity; when the reading is 0.05-0.7 mu S/cm, the soil to be tested is low-salinity soil, and the salinity and alkalinity value is directly recorded; judging the soil with high salt and alkali degree when the reading is too high;
step two, when the judging result in the step one is high-salinity soil, manually or mechanically taking a soil sample with fixed quality, placing the soil sample into a feeding hopper (23), and simultaneously starting a water injection pump and a driving motor (27), wherein the soil sample is conveyed into a dissolving pipe (9) on one hand, and water is injected into the interior to dissolve the soil sample on the other hand; in the dissolving process, the floating plate (13) is driven to slide upwards by the buoyancy of the solution to drive the height measuring rod (11), meanwhile, the weighing plate (12) drives the weighing rod (10) to slide under the action of water and soil gravity, and meanwhile, the guide block (16) slides downwards along with the guide pipe (15) and contacts with the solenoid (14) to change the resistance value of the guide block connected into a circuit; when the resistance value of the solenoid (14) connected into the circuit reaches a set value, the total mass of water and soil in the dissolving pipe (9) also reaches the set mass, and at the moment, the driving motor (27) and the water injection pump are closed; then standing for 10-20 min, and then starting the conductivity meter again to measure the conductivity of the mixed solution;
step three, combining the other structural characteristics in the height detection box (1), wherein the flowmeter directly displays the water injection quantity, and the volume of electrolyte in the soil is ignored after the electrolyte is dissolved in water, so that the total mass of the electrolyte in the soil sample is further calculated through the measured electrolyte concentration; and then, as the mass and the volume of the soil sample are fixed values, the concentration of the soluble electrolyte in the soil sample is further calculated, namely the salt alkalinity of the soil of the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310908351.1A CN116660323B (en) | 2023-07-24 | 2023-07-24 | Agricultural farmland saline-alkali degree sampling detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310908351.1A CN116660323B (en) | 2023-07-24 | 2023-07-24 | Agricultural farmland saline-alkali degree sampling detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116660323A CN116660323A (en) | 2023-08-29 |
| CN116660323B true CN116660323B (en) | 2023-11-14 |
Family
ID=87728231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310908351.1A Active CN116660323B (en) | 2023-07-24 | 2023-07-24 | Agricultural farmland saline-alkali degree sampling detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116660323B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117630318B (en) * | 2024-01-23 | 2024-04-09 | 四川省科源工程技术测试中心有限责任公司 | Device and method for measuring organic matter content of water environment by electrophoresis |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL76000A0 (en) * | 1984-11-08 | 1985-12-31 | Yellow Springs Instr | Method and apparatus for measuring soil salinity |
| KR200340338Y1 (en) * | 2003-10-14 | 2004-02-11 | 주식회사 미래센서 | Device to measure humidity and salinity of soil |
| CN101144788A (en) * | 2007-05-08 | 2008-03-19 | 中国农业大学 | Device for measuring salt concentration of saturated soil solution |
| CN102072925A (en) * | 2010-08-16 | 2011-05-25 | 江苏大学 | Stroma moisture and conductivity in situ detector and method for determining salinity |
| CN105268734A (en) * | 2014-07-22 | 2016-01-27 | 云南香草生物技术工程有限公司 | Method for rapidly treating heavy metal contaminated soil |
| CN207516363U (en) * | 2017-12-13 | 2018-06-19 | 湖北工业大学 | A kind of soil testing assemblies based on agriculture Internet of Things |
| CN108709908A (en) * | 2018-06-11 | 2018-10-26 | 中国科学院地理科学与资源研究所 | Water salt one tacheometer and soil salt content detection method, device |
| CN208705321U (en) * | 2018-08-06 | 2019-04-05 | 武汉中南冶勘资源环境工程有限公司 | Soil pollution environmental detection set |
| CA3080206A1 (en) * | 2017-10-26 | 2019-05-02 | Tribus, Llc | System and method for measuring soil electrical conductivity |
| CN110763823A (en) * | 2019-11-22 | 2020-02-07 | 威海精讯畅通电子科技有限公司 | Handheld rapid soil detector and detection method |
| CN210180968U (en) * | 2019-05-29 | 2020-03-24 | 广东天泽生态环境有限公司 | Soil salinity survey device |
| CN210775477U (en) * | 2019-08-29 | 2020-06-16 | 杭州帆源强生态科技有限公司 | Soil secondary salinization monitoring protector |
| CN210803472U (en) * | 2019-10-18 | 2020-06-19 | 四川省华地新能源环保科技有限责任公司 | Saline-alkali soil salt pressing and salt isolating soil column test device |
| CN112255062A (en) * | 2020-10-19 | 2021-01-22 | 林惠明 | Soil soluble salt detection device and detection method |
| CN212989356U (en) * | 2020-09-08 | 2021-04-16 | 中鲁检测技术有限公司 | Soil detection device |
| CN112753310A (en) * | 2020-11-30 | 2021-05-07 | 沈阳化工研究院有限公司 | Saline-alkali soil improvement device and method |
| CN113138172A (en) * | 2020-01-20 | 2021-07-20 | 天津理工大学 | Method for testing saline-alkali soil remediation rate |
| CN214097437U (en) * | 2020-12-23 | 2021-08-31 | 河南昶宜检测技术研究院有限公司 | Survey device that soil salinity and alkalinity detected |
| CN114894851A (en) * | 2022-04-28 | 2022-08-12 | 上海市环境科学研究院 | Ground dragging type electromagnetic induction integrated device and soil salinity rapid assessment method |
| CN115308387A (en) * | 2022-07-20 | 2022-11-08 | 中国农业大学 | Soil monitoring device and method for monitoring freezing depth of frozen soil containing salt |
| CN116189794A (en) * | 2023-02-20 | 2023-05-30 | 南京理工大学 | Rammed earth water salt content measurement method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9797814B2 (en) * | 2011-06-12 | 2017-10-24 | Adi Mottes | Probe for in situ monitoring the electrical conductivity of soil solutions |
-
2023
- 2023-07-24 CN CN202310908351.1A patent/CN116660323B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL76000A0 (en) * | 1984-11-08 | 1985-12-31 | Yellow Springs Instr | Method and apparatus for measuring soil salinity |
| KR200340338Y1 (en) * | 2003-10-14 | 2004-02-11 | 주식회사 미래센서 | Device to measure humidity and salinity of soil |
| CN101144788A (en) * | 2007-05-08 | 2008-03-19 | 中国农业大学 | Device for measuring salt concentration of saturated soil solution |
| CN102072925A (en) * | 2010-08-16 | 2011-05-25 | 江苏大学 | Stroma moisture and conductivity in situ detector and method for determining salinity |
| CN105268734A (en) * | 2014-07-22 | 2016-01-27 | 云南香草生物技术工程有限公司 | Method for rapidly treating heavy metal contaminated soil |
| CA3080206A1 (en) * | 2017-10-26 | 2019-05-02 | Tribus, Llc | System and method for measuring soil electrical conductivity |
| CN207516363U (en) * | 2017-12-13 | 2018-06-19 | 湖北工业大学 | A kind of soil testing assemblies based on agriculture Internet of Things |
| CN108709908A (en) * | 2018-06-11 | 2018-10-26 | 中国科学院地理科学与资源研究所 | Water salt one tacheometer and soil salt content detection method, device |
| CN208705321U (en) * | 2018-08-06 | 2019-04-05 | 武汉中南冶勘资源环境工程有限公司 | Soil pollution environmental detection set |
| CN210180968U (en) * | 2019-05-29 | 2020-03-24 | 广东天泽生态环境有限公司 | Soil salinity survey device |
| CN210775477U (en) * | 2019-08-29 | 2020-06-16 | 杭州帆源强生态科技有限公司 | Soil secondary salinization monitoring protector |
| CN210803472U (en) * | 2019-10-18 | 2020-06-19 | 四川省华地新能源环保科技有限责任公司 | Saline-alkali soil salt pressing and salt isolating soil column test device |
| CN110763823A (en) * | 2019-11-22 | 2020-02-07 | 威海精讯畅通电子科技有限公司 | Handheld rapid soil detector and detection method |
| CN113138172A (en) * | 2020-01-20 | 2021-07-20 | 天津理工大学 | Method for testing saline-alkali soil remediation rate |
| CN212989356U (en) * | 2020-09-08 | 2021-04-16 | 中鲁检测技术有限公司 | Soil detection device |
| CN112255062A (en) * | 2020-10-19 | 2021-01-22 | 林惠明 | Soil soluble salt detection device and detection method |
| CN112753310A (en) * | 2020-11-30 | 2021-05-07 | 沈阳化工研究院有限公司 | Saline-alkali soil improvement device and method |
| CN214097437U (en) * | 2020-12-23 | 2021-08-31 | 河南昶宜检测技术研究院有限公司 | Survey device that soil salinity and alkalinity detected |
| CN114894851A (en) * | 2022-04-28 | 2022-08-12 | 上海市环境科学研究院 | Ground dragging type electromagnetic induction integrated device and soil salinity rapid assessment method |
| CN115308387A (en) * | 2022-07-20 | 2022-11-08 | 中国农业大学 | Soil monitoring device and method for monitoring freezing depth of frozen soil containing salt |
| CN116189794A (en) * | 2023-02-20 | 2023-05-30 | 南京理工大学 | Rammed earth water salt content measurement method |
Non-Patent Citations (4)
| Title |
|---|
| Linking microbial community compositions to cotton nitrogen utilization along soil salinity gradients;Heng, T 等;FIELD CROPS RESEARCH;第288卷;第108697页 * |
| 具有电导率补偿特性的低频电容土壤水分传感系统;顾惠南 等;传感技术学报;第32卷(第05期);第784-789页 * |
| 山东省滨州市滨城区盐碱地药用植物分布及开发利用;郭瑞齐 等;山东中医药大学学报;第45卷(第06期);第826-830页 * |
| 污泥底物微生物脱盐电池性能及处理后污泥改良盐碱土效果;孟繁宇;中国优秀博士学位论文全文数据库工程科技Ⅰ辑(第12期);第B027-91页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116660323A (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116660323B (en) | Agricultural farmland saline-alkali degree sampling detection device and method | |
| US10119240B2 (en) | Test system and test method for detecting cement content of cement mixing pile body in real time | |
| CN201034911Y (en) | Portable oil-liquid iron magnelic properties abrasive grain amount and viscosity coefficient testing apparatus | |
| CN201285384Y (en) | Heavy metal content detector | |
| CN205157439U (en) | Food safety analyzer | |
| CN108956220A (en) | A kind of soil field portable detection device and its processing method | |
| CN107091875A (en) | A kind of hand-held aspiration-type electrochemical detection device for automatically processing sample | |
| CN110850063A (en) | Biodiversity check out test set is used in gardens | |
| CN206223771U (en) | A kind of seawater total alkalinity on-line monitoring system | |
| CN106645614A (en) | A seawater total alkalinity on-line monitoring system | |
| CN206725453U (en) | A kind of P in soil H value detection devices | |
| CN206930582U (en) | A kind of ammonia nitrogen in high density on-line monitoring system | |
| CN115754150A (en) | Mixing uniformity measuring device and method suitable for viscous solid waste curing construction | |
| CN114354300A (en) | Preparation method for preparing soil sample with specific water content by applying automatic soil sample preparation device | |
| CA2624370A1 (en) | Method for a rapid test of the quality of grains, crushed grains, and flours, by means of measuring the gluten aggregation | |
| CN114235083A (en) | Metering equipment for conveying sludge by plunger pump | |
| CN112462002A (en) | Waste liquid recovery equipment for biological detector | |
| CN111537323A (en) | Soil pH value detection device and method for petroleum pipeline laying ground | |
| CN219533122U (en) | Sewage detector | |
| CN218795500U (en) | Electric stirrer for indoor liquid-plastic limit joint determination test soil sample | |
| CN1657918A (en) | Water hardness monitoring instrument and method of automatic colorimetric analysing for water hardness | |
| CN2916628Y (en) | Automatic foodstuff and oil analyzer | |
| CN215575366U (en) | Microbial reactance and capacitance detection device | |
| CN109975200A (en) | A kind of agent on crack resistance of concrete ion erosion performance test methods and device | |
| CN216879008U (en) | Accurate diluting device is used in pesticide production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |