CN117309852A - Soil nitrogen and phosphorus content rapid analyzer based on spectral colorimetry - Google Patents
Soil nitrogen and phosphorus content rapid analyzer based on spectral colorimetry Download PDFInfo
- Publication number
- CN117309852A CN117309852A CN202311277026.6A CN202311277026A CN117309852A CN 117309852 A CN117309852 A CN 117309852A CN 202311277026 A CN202311277026 A CN 202311277026A CN 117309852 A CN117309852 A CN 117309852A
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- China
- Prior art keywords
- rapid
- suction filtration
- phosphorus content
- nitrogen
- rapid analyzer
- 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.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000002689 soil Substances 0.000 title claims abstract description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 20
- 239000011574 phosphorus Substances 0.000 title claims abstract description 20
- 238000004737 colorimetric analysis Methods 0.000 title description 2
- 230000003595 spectral effect Effects 0.000 title description 2
- 238000000967 suction filtration Methods 0.000 claims abstract description 37
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 239000011324 bead Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000002386 leaching Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 241000258971 Brachiopoda Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004856 soil analysis Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to the technical field of analyzers, in particular to a rapid soil nitrogen and phosphorus content analyzer based on a spectrocolorimetry. Comprises a rapid analyzer body; the front part of the rapid analyzer body is provided with a touch display screen, the bottom of the opening part is fixedly provided with a suction filtration tank, the upper part of the suction filtration tank is provided with an exhaust port, and the side surface of the suction filtration tank is provided with a suction filtration port; the limiting device is arranged at the opening of the rapid analyzer body; the sampling device comprises the suction filter funnel and the sampler; the sampler comprises the liquid storage tube and a color taking dish; the optical channel is arranged in the rapid analyzer body and comprises the illuminator and the receiver; the shadowless light source is arranged in the illuminator, and the prism is arranged at the opening. The rapid analyzer for the nitrogen and phosphorus content of the soil based on the spectrocolorimetry provided by the invention is simple and convenient to operate, can improve the execution efficiency of the whole experiment, effectively reduces the use cost of users, and brings better use prospects.
Description
Technical Field
The application relates to the technical field of analyzers, in particular to a rapid soil nitrogen and phosphorus content analyzer based on a spectrocolorimetry.
Background
Soil analysis is an important technical means in the fields of agricultural production, environmental protection and the like, wherein the nitrogen and phosphorus content of the soil is one of important indexes for evaluating the soil fertility. Three national soil general investigation works are currently carried out in China, and chemical element analysis and various index measurement are often carried out on collected soil samples in the general investigation works. The spectrocolorimetry is a common method for detecting the content of nitrogen and phosphorus elements in soil samples, and has the advantages of high sensitivity, wide application range and the like. The method needs to fully leach nitrogen and phosphorus in the soil sample, then filter the leached nitrogen and phosphorus to separate solid phase and liquid phase in the mixture of the sample and leaching liquor, and the liquid phase is used for measuring the nitrogen and phosphorus content of the soil.
However, the filtration time used in the prior art method is long, and particularly when a large amount of samples are processed, the filtration time is inconvenient, the efficiency of the whole experiment is seriously slowed down, and the experiment cost is increased.
Disclosure of Invention
The invention provides a rapid soil nitrogen and phosphorus content analyzer based on a spectrocolorimetry, which aims to solve the problems in the background technology.
In order to achieve the above object, the technical scheme provided by the invention is as follows:
the utility model provides a soil nitrogen, quick analysis appearance of phosphorus content based on spectrocolorimetry, includes quick analysis appearance body and sampling device, quick analysis appearance body opening part is fixed with stop device, quick analysis appearance body opening part bottom is equipped with the suction canister, quick analysis appearance body front portion is equipped with touch display screen, quick analysis appearance body inside is equipped with optical channel, sampling device bottom is located between the optical channel.
The limiting device comprises a limiting sliding rail and a limiting plate, wherein the limiting sliding rail is fixedly arranged on the upper part of the opening of the rapid analyzer body, and the limiting plate is slidably fixed on the limiting sliding rail.
Furthermore, the limit sliding rail is a circular ring with a slot in the middle, and the size of the slot is the same as the thickness of the limit plate, so that a good fixing effect is achieved.
Further, the middle of the limiting plate is provided with holes for fixing the suction filtration tank, and six limiting holes are formed in the limiting plate close to the edge at equal intervals for fixing the sampling device.
Further, the shortest distance between the center of the limiting hole and the edge of the limiting plate is smaller than the length of the optical channel.
The suction filtration tank comprises a suction filtration shell and a suction pump, wherein the suction pump is arranged in the suction filtration shell, an exhaust port is arranged on the upper portion of the suction filtration shell, six suction filtration ports are arranged on the upper portion of the side face of the suction filtration shell, and the bottom of the suction filtration shell is slidably fixed at the bottom of the opening of the rapid analyzer body.
Further, the suction filtration ports are equidistantly arranged at the upper part of the side face of the suction filtration shell.
The optical channel comprises a light emitter and a receiver, wherein the light emitter comprises a lampshade, a shadowless light source and a prism, the light emitter is arranged in the front of the rapid analyzer body, and the receiver is arranged at the position of the lower part of the suction filtration tank, which is the shortest in distance from the light emitter.
Further, the shadowless light source comprises a halogen lamp bead and a lamp shell, wherein the lamp shell is annular, and the halogen lamp beads are equidistantly arranged in the lamp shell in a plurality of ways to play a role in eliminating lamp shadows.
Furthermore, the shadowless light source is arranged on the inner side of the lampshade, and the prism is arranged at the opening of the lampshade to play a role in screening the required light source.
The sampling device comprises a suction filter funnel and a sampler, wherein the lower end of the suction filter funnel is hermetically connected with the upper port of the sampler.
Further, the sampler comprises a liquid storage pipe and a color taking dish, and the liquid storage pipe is communicated with the color taking dish and used for rapid sampling.
Furthermore, a suction filter is arranged at the upper part of the outer side of the sampler so as to accelerate the filtering process of the suction filter funnel.
Compared with the prior art, the invention has the beneficial effects that:
1. the user firstly puts into a piece of filter paper in the suction filter funnel, pours leaching liquor mixture into the suction filter funnel, uses the rubber tube to connect sampling device with the suction filtration mouth of suction filtration jar, the operation touch display screen, the suction filtration device autosegregation leaching liquor mixture's solid-liquid phase in the suction filter funnel, the liquid phase passes through the liquid storage tube flows in the color-taking dish, the optical path sends required wavelength light and receives required colorimetric data, reaches the acceleration experiment process effect, satisfies the different demands of experiment through changing different kinds of filter paper, through placing multiunit sampling device, can realize once to multiunit soil sample's survey work, the effectual later stage of being convenient for carries out agricultural technology research and development, the user of being convenient for uses, and is better than traditional mode.
In the invention, the liquid storage tube and the color taking dish can be made of hard materials such as glass and quartz or soft materials such as plastics, and different materials can be selected according to actual conditions, so that the color taking dish is more flexible compared with the traditional mode.
In the invention, the sampler can be replaced at any time, and the shadowless light source emits light more flexibly compared with the traditional operation mode.
The invention has the advantages of simple integral structure and low manufacturing cost, can greatly reduce the related measurement experiment time, promotes the experiment process, and is easier to popularize than the traditional operation mode.
In order to make the detailed description of the present invention or the technical solutions in the related art, the drawings required for the detailed description of the present invention or the related art will be briefly described, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of the overall structure of the present invention.
Fig. 3 is a cross-sectional view of the overall structure of the present invention.
Fig. 4 is a front view of the present invention.
Fig. 5 is a top view of the present invention.
Fig. 6 is a schematic diagram of a sampling device according to the present invention.
Fig. 7 is an exploded view of a light emitter according to the present invention.
Reference numerals illustrate: 1-quick analyzer body, 2-sampling device, 3-suction canister, 4-limiting device, 5-limiting slide rail, 6-limiting plate, 7-limiting hole, 8-suction filtration shell, 9-exhaust port, 10-optical channel, 11-illuminator, 12-shadowless light source, 13-lampshade, 14-prism, 15-lamp shell, 16-sampling device, 17-suction filtration funnel, 18-sampler, 19-liquid storage tube, 20-color-taking dish, 21-suction filtration port, 22-touch display screen, 23-receiver, 24-halogen lamp bead
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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 noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" 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.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
In the description of the present invention, the liquid storage tube and the color taking dish may be made of hard materials such as glass and quartz, or soft materials such as plastic, and different materials may be selected according to practical situations; the type of filter paper can be selected according to actual conditions.
Example 1
Referring to fig. 1-7, an embodiment of the present invention provides a rapid analyzer for soil nitrogen and phosphorus content based on a spectrocolorimetry, including: a rapid analyzer body 1; a touch display screen 23 is arranged in front of the front surface of the rapid analyzer body 1; the bottom of the opening of the rapid analyzer body 1 is movably fixed with a suction filtration tank 3, the upper part of the suction filtration tank 3 is provided with an exhaust port 9, and the side surface of the suction filtration tank 3 is provided with a suction filtration port 21; the six groups of suction filtration ports 21 are horizontally distributed at equal intervals and correspond to the positions of the limiting holes 7; the limiting device 4 is arranged at the opening of the rapid analyzer body 1; the limiting device 4 comprises a limiting sliding rail 5 and a limiting plate 6; the limiting slide rail 5 is in a circular ring shape, is provided with a slot in the middle, and has the thickness equivalent to that of the limiting plate 6; six limiting holes 7 are formed in the limiting plate 6 near the edge at equal intervals and play a role in fixing the sampling device 16; the sampling device 16 comprises the suction filter funnel 17 and the sampler 18; the sampler 18 comprises the liquid storage tube 19 and a color-taking dish 20, and a suction filter port 21 is arranged at the upper part of the outer side of the sampler so as to accelerate the filtering process of the suction filter funnel 17; the liquid storage tube 19 is communicated with the color taking dish 20 for rapid sampling; the rapid analyzer body 1 is internally provided with the optical channel 10, and the optical channel 10 comprises the light emitter 11 and the receiver 23; the shadowless light source 12 is arranged in the illuminator 11 to play a role in eliminating lamp shadows; the prism 14 is arranged at the opening of the illuminator 11 to play a role in screening the needed light source; the shadowless light source 12 comprises a lamp shade 15 and a halogen lamp bead 24, and plays a role of a converging light source.
As a preferred embodiment, the color-taking dish 20 should be centered between the light emitter 11 and the receiver 23.
In fig. 5-6, the sampler 18 can be replaced by matching the limiting hole 7 with the sampling device 16, so that the use convenience of the invention is effectively improved.
When the invention is implemented, the suction filter funnel 17 is inserted into the upper opening of the sampler 18 to form the sampling device 16, then the sampling device 16 is fixed in the limiting hole 7 closest to the illuminator 11, the sampling device 16 is connected with the suction filter opening 21 on the suction filter tank 3 by using the rubber tube, an operator firstly places a piece of filter paper on the upper opening of the suction filter funnel 17, then the mixture of the sample and the leaching liquor is poured into the suction filter funnel 17, the touch display screen 23 is operated, the suction filter tank 3 pumps out the air in the liquid storage tube 19, the liquid phase in the mixture of the sample and the leaching liquor rapidly flows into the liquid storage tube 19 and the color-taking dish 20, the operator operates the touch display screen 23, the halogen lamp beads 24 emit light, pass through the color-taking dish 20 and converge on the receiver 23, and the touch display screen displays the measured data this time, thereby achieving the purpose of rapidly measuring the content of nitrogen and phosphorus in the soil sample.
As a preferable scheme of the first embodiment, after the measurement is finished, the filter paper and the sampler 18 in the suction filter funnel 17 should be replaced, and then the next group of samples is measured, so as to ensure the accuracy of the measurement.
Example two
As shown in fig. 1 to 7, on the basis of the first embodiment, a plurality of sampling devices 2 are simultaneously placed in different limiting holes 7, on the basis of the first embodiment, the touch display screen 23 is operated after the suction filtration is completed, the limiting plate 6 and the suction filtration tank 3 rotate in sequence, and the rest principles are the same as those of the first embodiment, so that a plurality of groups of sample data are measured at one time.
The above examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention, it being understood that variations and modifications can be made by those skilled in the art without departing from the spirit of the invention.
Claims (6)
1. A rapid analyzer for the nitrogen and phosphorus content of soil based on a spectrocolorimetry is characterized by comprising a rapid analyzer body; a touch display screen is arranged at the front part of the front surface of the rapid analyzer body; the bottom of the opening of the rapid analyzer body is fixedly provided with a suction filtration tank, the upper part of the suction filtration tank is provided with an exhaust port, and the side surface of the suction filtration tank is provided with a suction filtration port; the limiting device is arranged at the opening of the rapid analyzer body; the limiting device comprises the limiting slide rail and the limiting plate; the sampling device comprises the suction filter funnel and the sampler; the sampler comprises the liquid storage tube and a color taking dish, a suction filtration port is arranged at the upper part of the outer side of the sampler, the optical channel is arranged in the rapid analyzer body, and the optical channel comprises the illuminator and the receiver; the shadowless light source is arranged in the illuminator, the prism is arranged at the opening of the illuminator, and the shadowless light source comprises a lampshade and halogen lamp beads.
2. The rapid soil nitrogen and phosphorus content analyzer based on the spectrocolorimetry according to claim 1, wherein the side surface of the suction filtration tank is provided with suction filtration ports, and the six groups of suction filtration ports are distributed at equal intervals and correspond to the limit hole positions.
3. The rapid analyzer for the nitrogen and phosphorus content of the soil based on the spectrocolorimetry according to claim 1, wherein the limiting slide rail is fixedly arranged on the upper part of the opening of the rapid analyzer body, and the limiting plate is slidably fixed on the limiting slide rail. The thickness is equivalent to the limiting plate, six limiting holes are formed in the limiting plate at equal intervals close to the edge, the sampling device is fixed, and the shortest distance between the circular center of each limiting hole and the edge of the limiting plate is smaller than the length of the optical channel.
4. The rapid analyzer for nitrogen and phosphorus content in soil based on a spectrocolorimetry according to claim 1, wherein the liquid storage tube is communicated with the color-taking dish for rapid sampling.
5. The rapid analyzer for analyzing the nitrogen and phosphorus content of the soil based on the spectrocolorimetry according to claim 1, wherein the shadowless light source comprises a halogen lamp bead and a lamp housing, the lamp housing is annular, and the halogen lamp bead is equidistantly arranged in the lamp housing in a plurality of ways to play a role in eliminating lamp shadows.
6. The rapid soil nitrogen and phosphorus content analyzer based on the spectrocolorimetry according to claim 1, wherein the illuminator is arranged in the front of the rapid analyzer body, and the receiver is arranged at the position with the shortest distance between the lower part of the suction filtration tank and the illuminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311277026.6A CN117309852A (en) | 2023-10-07 | 2023-10-07 | Soil nitrogen and phosphorus content rapid analyzer based on spectral colorimetry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311277026.6A CN117309852A (en) | 2023-10-07 | 2023-10-07 | Soil nitrogen and phosphorus content rapid analyzer based on spectral colorimetry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117309852A true CN117309852A (en) | 2023-12-29 |
Family
ID=89286182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311277026.6A Pending CN117309852A (en) | 2023-10-07 | 2023-10-07 | Soil nitrogen and phosphorus content rapid analyzer based on spectral colorimetry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117309852A (en) |
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2023
- 2023-10-07 CN CN202311277026.6A patent/CN117309852A/en active Pending
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