CN116358958A - A quick soil drying system for soil detection - Google Patents

A quick soil drying system for soil detection Download PDF

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Publication number
CN116358958A
CN116358958A CN202310329030.6A CN202310329030A CN116358958A CN 116358958 A CN116358958 A CN 116358958A CN 202310329030 A CN202310329030 A CN 202310329030A CN 116358958 A CN116358958 A CN 116358958A
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CN
China
Prior art keywords
air
drying
soil
guide barrel
air guide
Prior art date
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Pending
Application number
CN202310329030.6A
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Chinese (zh)
Inventor
郭鸿晨
陈云
许淘元
裘建华
刘林海
李文倩
斯广杰
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Shaoxing Junhong Intelligent Technology Co ltd
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Shaoxing Junhong Intelligent Technology Co ltd
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Application filed by Shaoxing Junhong Intelligent Technology Co ltd filed Critical Shaoxing Junhong Intelligent Technology Co ltd
Priority to CN202310329030.6A priority Critical patent/CN116358958A/en
Publication of CN116358958A publication Critical patent/CN116358958A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample treatment involving radiation, e.g. heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a rapid soil drying system for soil detection, which belongs to the technical field of soil detection and comprises a drying rack, a drying frame and a drying device, wherein the drying rack is of a polygonal column type structure and is provided with a plurality of drying frames in a central array; the hot air component comprises an air guide barrel, a heat source mechanism and an air supply mechanism, wherein the heat source mechanism and the air supply mechanism are arranged at the top of the air guide barrel, the air guide barrel is arranged at the center of the drying frame, a plurality of air outlets are arranged on the outer wall of the air guide barrel, the inner side of the drying frame is connected with the air outlets in a plugging manner, and a hot air guide channel from the air outlets to the outer side of the drying frame is formed; an air volume adjusting part for adjusting the air volume at the drying frame; and a temperature and humidity monitoring part for detecting the temperature and humidity at the drying frame.

Description

A quick soil drying system for soil detection
Technical Field
The invention relates to the technical field of soil detection, in particular to a rapid soil drying system for soil detection.
Background
Soil environment monitoring refers to determining environmental quality (or pollution degree) and its trend by measuring representative values of factors affecting the quality of the soil environment.
When the soil is detected, particularly when the content of heavy metals and the like in the soil is measured, the soil is required to be dried in the sample preparation process according to the pollutant required to be controlled in soil environment monitoring technical Specification (HJ/T166-2004) and in principle in GB 15618 soil environment quality standard, the water content of the collected soil sample is generally in a state of being air-dried to be saturated, and when the heavy metal components in the polluted soil are detected, the detection result is influenced by the water saturation state, so that the soil sample is required to be dried.
At present, the demand for soil detection is increasingly larger, and the rapid soil drying is an urgent demand in the field of soil detection at present, especially in the field of dynamic soil detection required by mass soil detection and soil treatment. The rapid drying of the soil is realized, the generation period of the whole soil detection report can be greatly shortened, and the detection efficiency is greatly improved. The rapid drying of the soil must meet the corresponding national standards, and the property of the soil is ensured not to change in the drying process, so that the components to be detected in the soil are completely reserved. The current common drying method in the industry is completely natural ventilation drying, and the drying time is too long because the method depends on natural factors completely and can completely retain the components to be detected in the soil. For example, in the common rainy season of plum in the south of Yangtze river, most of the natural drying needs 10-15 days, which greatly influences the efficiency of the whole detection report.
Disclosure of Invention
The invention aims to provide a rapid soil drying system for soil detection, which can realize rapid drying of soil samples on the premise of meeting national standards, ensure that the properties of soil are unchanged while greatly shortening the drying time, ensure the complete retention of all elements to be detected, and simultaneously perform accurate differentiated drying operation aiming at different types of soil sample conditions.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a rapid soil drying system for soil detection, comprising:
the drying rack is of a polygonal column type structure and is provided with a plurality of drying frames in a central array;
the hot air component comprises an air guide barrel, a heat source mechanism and an air supply mechanism, wherein the heat source mechanism and the air supply mechanism are arranged at the top of the air guide barrel, the air guide barrel is arranged at the center of the drying frame, a plurality of air outlets are arranged on the outer wall of the air guide barrel, the inner side of the drying frame is connected with the air outlets in a plugging manner, and a hot air guide channel from the air outlets to the outer side of the drying frame is formed;
an air volume adjusting part for adjusting the air volume at the drying frame;
and a temperature and humidity monitoring part for detecting the temperature and humidity at the drying frame.
Further, the drying frame is internally provided with a drying disc in an inner and outer penetrating structure.
Further, an inner pipe is vertically arranged at the center of the inside of the air guiding barrel, and the inner pipe is used for conveying hot air at the top to the bottom of the air guiding barrel.
Further, a conical inclined plate is arranged at the bottom of the air guide barrel, and the conical inclined plate and the air guide barrel are arranged in a central alignment mode.
Further, the tip portion of the tapered bevel board is placed inside the inner tube.
Further, the air quantity adjusting part is arranged at the air outlet of the air guide barrel and comprises a baffle and a center shaft, the baffle can rotate by taking the center shaft as the center, and the baffle is matched with the air outlet, so that the area of the air outlet can be adjusted, and the air quantity of each drying frame can be independently adjusted.
Further, a driving mechanism is connected to the center shaft and can drive the baffle to rotate around the center shaft.
Further, the drying tray is of an upper-lower double-layer structure, wherein the upper tray is of a screen structure, the lower tray is of a tray structure, and support columns are arranged between the upper tray and the lower tray.
Further, the temperature and humidity monitoring part includes a temperature sensor and a humidity sensor disposed in each drying frame.
Further, a temperature sensor and an air pressure sensor are arranged in the air guide barrel.
Adopt this scheme, compare prior art, have following benefit:
according to the rapid soil drying system for soil detection, a main body adopts a polygonal column type drying rack and a hot air component to dry a soil sample, the whole equipment is arranged in an independent room, and natural environments of breeze, drying and high temperature in summer are accurately simulated, so that the drying speed of the soil sample under various climatic conditions (such as winter, a smoldering environment or a plum rain environment) is greatly accelerated;
the scheme adopts a polygonal column type drying frame structure, multiple layers of drying frames can be arranged, samples can be placed in each drying frame, and 24 samples can be dried by a single body once by taking a four-layer structure and a hexagonal frame as an example, so that the space utilization rate is greatly improved, and an air flow channel which is expanded by stably supplying air from the center to the outside is formed;
the temperature and humidity monitoring part is used for monitoring each drying frame, and the air quantity adjusting part is used for realizing accurate and stable drying operation aiming at the soil sample condition of each drying frame;
in this scheme, hot-blast part has optimized hot-blast transport, ensure the malleation all the time and carry to make the hot-blast air current in the dry frame carry from inboard to outside, simultaneously carry through the two-way hot-blast of inner tube, realize distributing the hot-blast volume of every dry frame and be in balanced controllable state all the time, and to the difference of sample in every dry frame, realize the regulatory function to the hot-blast amount of every dry frame, realize accurate and can not mutually disturbing soil sample's dry function, finally realize realizing the quick drying of soil under the prerequisite that satisfies national standard, when reducing drying time by a wide margin, guarantee that the property of soil is unchangeable, guarantee the complete reservation of all the elements that await measuring.
Drawings
Fig. 1 is a schematic overall structure of a preferred embodiment.
Fig. 2 is a schematic diagram of the forward projection structure of the preferred embodiment.
Fig. 3 is a schematic diagram of a drying rack structure.
Fig. 4 is a schematic view of the hot air part structure.
Fig. 5 is an exploded view of the hot air component.
Fig. 6 is an exploded view of the air volume adjusting member.
Fig. 7 is a schematic diagram of a structure of a drying tray.
Detailed Description
The original purpose of this scheme is to provide a quick drying system of soil sample to the condition that conventional soil sample is dried time consuming and is liable to interfere each other under the non-ideal state (low temperature, moist, complex space environment), through simulation summer drying, breeze and not exceeding 35 degrees centigrade's natural environment, carry out the drying rate of soil sample, and finally improve efficiency and the accuracy of soil detection, can carry out differentiated drying operation according to different soil sample circumstances simultaneously.
Referring to fig. 1 and 2 and 3, a rapid soil drying system for soil detection includes a drying rack 1, a hot air part 2, an air quantity adjusting part 20, and a temperature and humidity monitoring part.
The drying rack 1 is of a polygonal column type structure, a plurality of drying frames 11 are arranged in a central array, the hot air component 2 is vertically arranged at the center of the drying rack 1, the hot air component 2 comprises an air guide barrel 21, a heat source mechanism 22 and an air supply mechanism 23 which are arranged at the top of the air guide barrel, the air supply mechanism 23 is used for realizing positive pressure conveying of wind power, the heat source mechanism 22 is arranged at the rear end of the air supply mechanism, the heat source mechanism 22 is used for supplying air conveyed by the air supply mechanism 23, the heat source mechanism 22 can be an industrial hot air machine, heat exchange type equipment can also be adopted for realizing accurate heating of the air, the air supply mechanism 23 can be a centrifugal fan or an axial flow fan, and the air supply mechanism 23 can be used for realizing simulating a climatic environment of drying and high temperature in summer.
As a preferred scheme, the drying rack 1 is of a regular hexagon structure, in order to be accurately matched with the drying rack 1, the loss of hot air is reduced, the outer wall of the air guiding barrel 21 is also of a regular hexagon, the air guiding barrel 21 can be tightly embedded and installed at the center of the drying rack 1, the necessary hot air barrel 21 and the drying rack 1 can be of an integrated structure, the air guiding barrel 21 is used for uniformly conveying hot air generated by the air supply mechanism 23 and the heat source mechanism 22 to each drying frame 11, specifically, air outlets 24 are uniformly distributed at positions, corresponding to each drying frame 11, of the outer wall of the air guiding barrel 21, the air outlets 24 are used for independently conveying positive pressure hot air inside the air guiding barrel 21 to each drying frame 11, and a hot air guiding channel from the air outlets 24 to the outside of the drying frames 11 is realized.
Referring to fig. 4 to 5, in order to improve the air guiding uniformity of the air guiding barrel 21, particularly to prevent the formation of a situation that the top air flow is higher in temperature and the bottom air flow is lower in temperature in the air guiding barrel 21, an inner pipe 25 is vertically arranged at the center of the inside of the air guiding barrel 21, the top of the inner pipe 25 is arranged below the heat source mechanism 22, and the inner pipe 25 distributes about 50% of hot air volume, and the rest of hot air is conveyed from the outside of the inner pipe 25, generally speaking, half of the hot air is conveyed to the bottom position of the air guiding barrel 21 through the inner pipe 25 and is conveyed back upwards from the bottom of the air guiding barrel 21 to the inside of the air guiding barrel 21, and the other half of the hot air side is conveyed downwards from the top through the air guiding barrel 21, so that the hot air inside the air guiding barrel 21 can be more uniform, and the uniform hot air volume of each air outlet 24 can be ensured;
in order to enable the air quantity at the bottom of the inner tube 25 to be more smoothly conveyed, a conical inclined plate 26 is arranged at the bottom of the air guide barrel 21, the conical inclined plate 26 and the air guide barrel 21 are arranged in a central alignment mode, and the tip part of the conical inclined plate 26 is placed into the inner tube 25 to play a role in dispersing and draining, so that the hot air can be conveyed more smoothly and evenly.
In order to improve the stability of the hot air supply inside the air guiding tub 21, a temperature sensor and an air pressure sensor are arranged inside the air guiding tub 21, and the temperature sensor and the air pressure sensor are connected with a controller for acquiring the temperature condition and the pressure condition of the air inside the air guiding tub 21.
Referring to fig. 6, an air volume adjusting member 20 is disposed at the air outlet 24 to adjust the air volume delivery volume at each air outlet 24, the air volume adjusting member 20 includes a baffle plate 27 and a central shaft 28, the baffle plate 27 can rotate about the central shaft 28, specifically, the air outlet 24 has a fan-shaped structure with 60 degrees, the baffle plate 27 has a fan-shaped blade structure with 60 degrees, a servo steering engine 29 is disposed on the central shaft 28, the servo steering engine 29 is controlled under the control of a controller, and the air volume can be adjusted in a range from 0 to 60 degrees by rotating the baffle plate 27 through the central shaft 28.
Referring to fig. 7, the drying rack 1 is a multi-layer structure with a regular hexagonal structure, a plurality of drying frames 11 are arranged in a central array, taking a four-layer structure as an example, the drying rack 1 is provided with 24 drying frames 11 in total, the frames of the drying frames 11 are in a side wall sealing structure, and hot air flows are always led to a wind guide channel which is unidirectionally conveyed from an air outlet 24 to the outer end of the air outlet, so that all the drying frames 11 cannot interfere with each other, the drying structure of the scheme can ensure the accuracy of a soil sample with drying in the efficient drying process, and can ensure the accuracy of soil detection in the subsequent process.
A drying tray 12 is placed inside each drying frame 11, the drying tray 12 is of an upper and lower double-layer structure, the upper tray 13 is of a screen structure, the lower tray 14 is of a tray structure, a supporting column 15 is arranged between the upper tray 13 and the lower tray 14, the upper tray 13 is used for placing massive soil samples, during the drying process, the soil samples which are crushed naturally pass through the screen and are collected in the lower tray 14, and due to the screen structure of the upper tray 13, hot air conveyed from an air outlet 24 can pass through the upper tray 13 up and down, so that the drying efficiency of the soil samples inside the drying tray can be greatly improved.
For accurate soil sample carries out accurate drying groove in each dry frame 11, all has temperature humidity monitoring part in each dry frame 11, and it includes temperature sensor and humidity transducer, and each temperature sensor and humidity transducer all are connected with the controller for detect the temperature condition and the humidity condition in the dry frame 11.
In actual operation, different soil samples are placed on the drying tray 12 and in the drying frame 11, when the drying frame 11 without the drying tray 12 (soil samples) is operated by the corresponding air quantity adjusting part 20, the air outlet 24 of the drying frame is in a closed state, so that the quantity of the different drying trays 12 and the total quantity of hot air are different, and the heat source mechanism 22 and the air supply mechanism 23 are precisely controlled under the control of the controller through the temperature sensor and the air pressure sensor in the air guide barrel 21 to realize positive pressure air supply and control the temperature between 35 and 40 ℃;
for the drying frame 11 with the drying tray 12, when the humidity value is high, the water content of the soil sample is high, the flow rate of hot air is properly increased by the operation of the corresponding air quantity adjusting component 20, and when the temperature is high, for example, the temperature exceeds 38 ℃, the flow rate of hot air is properly reduced, but positive pressure and stable one-way flow of hot air are always maintained;
therefore, the system can realize accurate temperature drying operation under the control of the controller according to the current number of the drying trays 12 and the current real-time drying condition of the drying trays 12.
In summary, according to the rapid soil drying system for soil detection, the main body adopts the polygonal column type drying rack and the hot air component to dry the soil sample, the whole equipment is arranged in an independent room, and the natural environment which is slightly windy in summer and is dried and high in temperature is accurately simulated, so that the drying speed of the soil sample under various climatic conditions (such as winter, a smoldering environment or a plum rain environment) is greatly accelerated;
the scheme adopts a polygonal column type drying frame structure, multiple layers of drying frames can be arranged, samples can be placed in each drying frame, and 24 samples can be dried by a single body once by taking a four-layer structure and a hexagonal frame as an example, so that the space utilization rate is greatly improved, and an air flow channel which is expanded by stably supplying air from the center to the outside is formed;
the temperature and humidity monitoring part is used for monitoring each drying frame, and the air quantity adjusting part is used for realizing accurate and stable drying operation aiming at the soil sample condition of each drying frame;
in this scheme, hot-blast part has optimized hot-blast transport, ensure the malleation all the time and carry to make the hot-blast air current in the dry frame carry from inboard to outside, simultaneously carry through the two-way hot-blast of inner tube, realize distributing the hot-blast volume of every dry frame and be in balanced controllable state all the time, and to the difference of sample in every dry frame, realize the regulatory function to the hot-blast amount of every dry frame, realize accurate and can not mutually disturbing soil sample's dry function, finally realize realizing the quick drying of soil under the prerequisite that satisfies national standard, when reducing drying time by a wide margin, guarantee that the property of soil is unchangeable, guarantee the complete reservation of all the elements that await measuring.

Claims (10)

1. A quick soil drying system for soil detection, its characterized in that: comprising the following steps:
the drying rack is of a polygonal column type structure and is provided with a plurality of drying frames in a central array;
the hot air component comprises an air guide barrel, a heat source mechanism and an air supply mechanism, wherein the heat source mechanism and the air supply mechanism are arranged at the top of the air guide barrel, the air guide barrel is arranged at the center of the drying frame, a plurality of air outlets are arranged on the outer wall of the air guide barrel, the inner side of the drying frame is connected with the air outlets in a plugging manner, and a hot air guide channel from the air outlets to the outer side of the drying frame is formed;
an air volume adjusting part for adjusting the air volume at the drying frame;
and a temperature and humidity monitoring part for detecting the temperature and humidity at the drying frame.
2. A rapid soil drying system for soil detection of claim 1 wherein: and a drying disc is arranged in the drying frame inner and outer penetrating structure.
3. A rapid soil drying system for soil detection of claim 1 wherein: an inner pipe is vertically arranged at the center of the inside of the air guiding barrel and is used for conveying hot air at the top to the bottom of the air guiding barrel.
4. A rapid soil drying system for soil detection according to claim 3 wherein: the bottom of the air guide barrel is provided with a conical inclined plate, and the conical inclined plate and the air guide barrel are arranged in a central alignment mode.
5. A rapid soil drying system for soil detection of claim 4 wherein: the tip portion of the tapered bevel board is placed inside the inner tube.
6. A rapid soil drying system for soil detection of claim 1 wherein: the air quantity adjusting part is arranged at the air outlet of the air guide barrel and comprises a baffle and a center shaft, the baffle can rotate by taking the center shaft as the center, and the baffle is matched with the air outlet, so that the area of the air outlet can be adjusted, and the air quantity of each drying frame can be independently adjusted.
7. A rapid soil drying system for soil detection of claim 6 wherein: the middle shaft is connected with a driving mechanism, and the driving mechanism can drive the baffle to rotate by taking the middle shaft as the center.
8. A rapid soil drying system for soil detection of claim 2 wherein: the drying tray is of an upper-lower double-layer structure, wherein the upper tray is of a screen structure, the lower tray is of a tray structure, and supporting columns are arranged between the upper tray and the lower tray.
9. A rapid soil drying system for soil detection of claim 1 wherein: the temperature and humidity monitoring part includes a temperature sensor and a humidity sensor disposed in each drying frame.
10. A rapid soil drying system for soil detection of claim 1 wherein: and a temperature sensor and an air pressure sensor are arranged in the air guide barrel.
CN202310329030.6A 2023-03-30 2023-03-30 A quick soil drying system for soil detection Pending CN116358958A (en)

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Application Number Priority Date Filing Date Title
CN202310329030.6A CN116358958A (en) 2023-03-30 2023-03-30 A quick soil drying system for soil detection

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Application Number Priority Date Filing Date Title
CN202310329030.6A CN116358958A (en) 2023-03-30 2023-03-30 A quick soil drying system for soil detection

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CN116358958A true CN116358958A (en) 2023-06-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116793514A (en) * 2023-08-29 2023-09-22 常州乐研分离技术有限公司 Temperature detection structure of evaporation drying all-in-one machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116793514A (en) * 2023-08-29 2023-09-22 常州乐研分离技术有限公司 Temperature detection structure of evaporation drying all-in-one machine
CN116793514B (en) * 2023-08-29 2023-11-07 常州乐研分离技术有限公司 Temperature detection structure of evaporation drying all-in-one machine

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