CN114508908A - Soil sample drying device - Google Patents

Soil sample drying device Download PDF

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Publication number
CN114508908A
CN114508908A CN202210023104.9A CN202210023104A CN114508908A CN 114508908 A CN114508908 A CN 114508908A CN 202210023104 A CN202210023104 A CN 202210023104A CN 114508908 A CN114508908 A CN 114508908A
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CN
China
Prior art keywords
heat
soil sample
air
temperature
box
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.)
Pending
Application number
CN202210023104.9A
Other languages
Chinese (zh)
Inventor
李海龙
张文忠
王杰
杜世回
王永安
王媪楠
梁宗旭
薛再兰
柴毓帆
韩锦航
吴海胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Tieyiyuan Engineering Test And Inspection Co ltd
Original Assignee
Xi'an Tieyiyuan Engineering Test And Inspection Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Tieyiyuan Engineering Test And Inspection Co ltd filed Critical Xi'an Tieyiyuan Engineering Test And Inspection Co ltd
Priority to CN202210023104.9A priority Critical patent/CN114508908A/en
Publication of CN114508908A publication Critical patent/CN114508908A/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
    • F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
    • 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
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the 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
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/10—Temperature; Pressure
    • 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
    • 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
    • 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
    • F26B25/08—Parts thereof
    • F26B25/12—Walls or sides; Doors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model relates to a soil sample drying device, which comprises a supporting seat, a drying box and a heat source box; the drying box is internally provided with an accommodating cavity, the accommodating cavity is provided with an air inlet and an air outlet, a heat lifting device is arranged in the heat source box, the heat release end of the heat lifting device is communicated with the air inlet, and the heat absorption end of the heat lifting device is communicated with the air outlet so as to form an air channel among the heat absorption end, the heat release end, the air inlet, the accommodating cavity and the air outlet; the heat source box is also internally provided with a fan, the fan and the heat release end are positioned at the same side, under the action of the fan, the heat absorption end absorbs heat at least from airflow discharged from the air outlet, and the heat is transferred to the accommodating cavity through the heat release end, so that the soil sample to be dried accommodated in the accommodating cavity is dried at a preset temperature, the drying period is short, the efficiency is high, and the smooth progress of the engineering progress is facilitated. Meanwhile, chemical components such as pH and organic matters of the soil sample to be dried cannot be influenced, and the accuracy of the test result is improved.

Description

Soil sample drying device
Technical Field
The utility model relates to a railway engineering reconnaissance test equipment technical field especially relates to a soil sample drying device.
Background
With the continuous improvement and promotion of national railway network planning, railway survey projects are more and more, and the survey period is shorter and shorter. In order to ensure the project progress, the requirements on the time node of each test in the exploration project are more and more strict.
In reconnaissance is experimental, what the experimental analysis sample of ground chemistry needs is air-dried soil sample, however, among the prior art, place soil sample in the local natural air-drying of shady and cool ventilation usually, can receive the restriction of environmental factor such as place, temperature, humidity, simultaneously, the drying cycle is long, and is inefficient, has greatly increased test cycle, influences the engineering progress.
Disclosure of Invention
To solve the technical problem or at least partially solve the technical problem, the present disclosure provides a soil sample drying device.
The utility model provides a soil sample drying device, which comprises a supporting seat, a drying box and a heat source box, wherein the drying box and the heat source box are arranged on the supporting seat;
the drying box is internally provided with a containing cavity for containing a soil sample to be dried, the containing cavity is provided with an air inlet and an air outlet, a heat lifting device is arranged in the heat source box, the heat release end of the heat lifting device is communicated with the air inlet, and the heat absorption end of the heat lifting device is communicated with the air outlet, so that an air channel is formed among the heat absorption end, the heat release end, the air inlet, the containing cavity and the air outlet;
the heat source box is characterized in that a fan is further arranged in the heat source box, the fan and the heat release end are located on the same side, under the action of the fan, the heat absorption end at least absorbs heat from airflow discharged from the air outlet, and the heat is transmitted to the accommodating cavity through the heat release end, so that a soil sample to be dried accommodated in the accommodating cavity is dried within a preset temperature.
Further, the heat lifting device comprises a compressor, an evaporator and a condenser;
an inlet of the compressor communicates with an outlet of the evaporator, an outlet of the compressor communicates with an inlet of the condenser, an outlet of the condenser communicates with an inlet of the evaporator through a capillary tube, the evaporator is formed as the heat absorbing end, and the condenser is formed as the heat releasing end.
Furthermore, a water outlet for discharging condensed water is formed in the bottom of the heat source box, and the water outlet is located below the evaporator.
Furthermore, the soil sample drying device also comprises a temperature controller and a temperature sensor electrically connected with the temperature controller;
the temperature controller sets up in the heat source incasement, and be close to the end of giving out heat, temperature sensor sets up the holding intracavity, and be used for the collection the temperature signal of holding intracavity, the temperature controller is according to the temperature signal regulation that temperature sensor gathered the heat that the end of giving out heat released, in order to incite somebody to action the temperature of holding intracavity keeps in predetermineeing the temperature.
Furthermore, the number of the temperature sensors is two, and the two temperature sensors are respectively arranged at the air inlet and the air outlet.
Furthermore, one surface of the heat source box, which is close to the drying box, is open, and the air inlet and the air outlet are both arranged on one surface of the drying box, which is close to the heat source box;
the air inlets are at least two, the air inlets are arranged at intervals along the length direction and/or the width direction of the drying box, and the number of the air inlets is larger than that of the air outlets.
Furthermore, the outer wall of the drying box is provided with a hollow cavity, and a heat insulation layer is arranged in the hollow cavity.
Further, the stoving incasement is provided with the separation board, first through-hole has been seted up on the separation board, the separation board will the holding chamber divides into two at least sub-chambeies, and arbitrary two are adjacent sub-chamber all communicates.
Further, the number of the first through holes is at least two;
at least two first through-holes are arranged along the length direction of the blocking plate at intervals, and/or at least two first through-holes are arranged along the width direction of the blocking plate at intervals.
Furthermore, the blocking plate is of a hollow structure, an insulation board is arranged in an inner cavity of the blocking plate in a sliding mode, and second through holes are formed in the positions, corresponding to the first through holes, of the insulation board;
along the sliding direction of the heat insulation board, the size between two adjacent first through holes is larger than the diameter of the second through hole.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
according to the soil sample drying device provided by the disclosure, the supporting seat is arranged, the drying box and the heat source box are arranged on the supporting seat, the drying box is internally provided with the accommodating cavity for accommodating a soil sample to be dried, the accommodating cavity is provided with the air inlet and the air outlet, the heat lifting device is arranged in the heat source box, the heat release end of the heat lifting device is communicated with the air inlet, and the heat absorption end of the heat lifting device is communicated with the air outlet, so that a closed circulating air duct is formed among the heat absorption end, the heat release end, the air inlet, the accommodating cavity and the air outlet; wherein, the heat source incasement still has the fan, and fan and exothermic end are located the homonymy, during the specific use, under the effect of fan, the heat absorption end can absorb the heat from the air current of air outlet exhaust at least, and through exothermic end with heat transfer to in its near wind channel, thereby the air current can absorb exothermic end heat transfer when the end that gives out heat and heat up rapidly and become the hot gas flow, and then the hot gas flow enters into the holding intracavity through the air intake, thereby can dry in presetting the temperature to the soil sample of treating drying in the holding intracavity, based on this, the soil sample drying device that this disclosure provided does not receive the restriction of environmental factor such as place, temperature, humidity, drying cycle is short, the heat loss is little, drying efficiency is high, help the smooth progress of engineering progress. Meanwhile, the heat source of the heat lifting device is air, so that the influence on chemical components such as pH and organic matters of the soil sample to be dried can be avoided, and the accuracy of the test result can be improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a soil sample drying device according to an embodiment of the present disclosure;
fig. 2 is a partial schematic view of the soil sample drying device according to the embodiment of the disclosure, wherein a position relationship between the blocking plate and the heat insulation plate when two adjacent sub-cavities are communicated is shown;
fig. 3 is a partial schematic view of the soil sample drying device according to the embodiment of the disclosure, wherein the position relationship between the blocking plate and the heat insulation plate when two adjacent sub-cavities are not communicated is shown;
fig. 4 is a diagram illustrating a state of use of the soil sample drying device according to the embodiment of the present disclosure;
fig. 5 is a diagram illustrating a state of use of a soil sample drying device according to another embodiment of the present disclosure.
Wherein, 1-a support seat; 2-drying the box; 21-an accommodating cavity; 211-a subcavity; 22-air inlet; 23-air outlet; 3-a heat source box; 31-a water outlet; 4-a heat riser; 41-heat release end; 411-a condenser; 42-a heat sink end; 421-an evaporator; 43-a compressor; 44-a capillary tube; 45-an expansion valve; 5, a fan; 61-temperature controller; 62-a temperature sensor; 7-insulating layer; 8-a barrier plate; 81-a first via; 9-heat insulation board; 92-second via.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Referring to fig. 1 to 5, the present embodiment provides a soil sample drying device, which includes a supporting seat 1, and a drying box 2 and a heat source box 3 disposed on the supporting seat 1, wherein the drying box 2 has a containing cavity 21 for containing a soil sample to be dried, the containing cavity 21 has an air inlet 22 and an air outlet 23, the heat source box 3 has a heat lifting device 4 therein, a heat releasing end 41 of the heat lifting device 4 is communicated with the air inlet 22, and a heat absorbing end 42 of the heat lifting device 4 is communicated with the air outlet 23, so as to form an air duct between the heat absorbing end 42, the heat releasing end 41, the air inlet 22, the containing cavity 21, and the air outlet 23.
It should be noted that, referring to fig. 1, the air duct formed between the heat absorbing end 42, the heat releasing end 41, the air inlet 22, the accommodating cavity 21 and the air outlet 23 is a sealed air duct, and the air flow sequentially circulates between the heat absorbing end 42, the heat releasing end 41, the air inlet 22, the accommodating cavity 21 and the air outlet 23, that is, the air flow circulates in the sealed air duct.
The drying box 2 and the heat source box 3 may be any suitable structures as long as they can respectively accommodate the soil sample to be dried and the heat lifting device 4, and no limitation is made here.
According to some embodiments, the drying box 2 and the heat source box 3 may also be a hollow shell, and a baffle is provided in the shell, the baffle divides the inner cavity of the shell into a first cavity and a second cavity, the heat lifting device 4 is disposed in the first cavity, the second cavity is used for accommodating the soil sample accommodating cavity 21 to be dried, an air inlet 22 is disposed at a position of the baffle corresponding to the heat releasing end 41, an air outlet 23 is disposed at a position of the baffle corresponding to the heat absorbing end 42, and an air channel is formed between the heat absorbing end 42, the heat releasing end 41, the air inlet 22, the accommodating cavity 21 and the air outlet 23.
In the embodiment, referring to fig. 1, a fan 5 is further disposed in the heat source box 3, and the fan 5 and the heat releasing end 41 are located on the same side, and under the action of the fan 5, the heat absorbing end 42 absorbs heat from the airflow discharged from the air outlet 23 at least and transfers the heat to the accommodating cavity 21 through the heat releasing end 41, so as to dry the soil sample to be dried accommodated in the accommodating cavity 21 within a preset temperature.
In specific implementation, an air inlet communicated with the outside is formed in the position, corresponding to the heat absorption end 42, of the heat source box 3, and under the action of the fan 5, the heat absorption end 42 can absorb heat from air flow discharged from the air outlet 23 and can also absorb heat from outside air through the air inlet.
It can be understood that, under the action of the fan 5, the external air flow enters the heat absorbing end 42 through the air inlet, the air flow in the accommodating cavity 21 also enters the heat absorbing end 42 from the air outlet 23, so that the heat absorbing end 42 can absorb heat from the external air flow and the air flow discharged from the air outlet 23 and transmit the heat to the heat dissipating end, and further the heat dissipating end releases the heat to the air channel between the heat dissipating end and the air inlet 22, so that the air flow between the heat dissipating end and the air inlet 22 can rapidly absorb the heat to become hot air flow, the hot air flow enters the accommodating cavity 21 through the air inlet 22, and the soil sample to be dried in the accommodating cavity 21 can be dried. Wherein the direction of flow of the gas stream is indicated with reference to the straight lines with arrows in fig. 4 and 5.
It should be noted that, in the geotechnical chemical test, the preset temperature of the dried soil sample is 45 ℃ +/-5 ℃.
Through the technical scheme, the soil sample drying device provided by the embodiment is characterized in that the supporting seat 1 is arranged, the supporting seat 1 is provided with the drying box 2 and the heat source box 3, the drying box 2 is internally provided with the accommodating cavity 21 for accommodating a soil sample to be dried, the accommodating cavity 21 is provided with the air inlet 22 and the air outlet 23, the heat source box 3 is internally provided with the heat lifting device 4, the heat release end 41 of the heat lifting device 4 is communicated with the air inlet 22, and the heat absorption end 42 of the heat lifting device 4 is communicated with the air outlet 23, so that a closed circulating air duct is formed among the heat absorption end 42, the heat release end 41, the air inlet 22, the accommodating cavity 21 and the air outlet 23; wherein, still have fan 5 in the heat source case 3, and fan 5 and heat release end 41 are located the homonymy, during the specific use, under the effect of fan 5, heat absorption end 42 can absorb the heat from the air current of air outlet 23 at least, and pass through heat release end 41 with heat transfer to in its near wind channel, thereby the air current can absorb the heat of heat release end 41 transmission and heat up rapidly and become the hot gas flow when passing through heat release end 41, and then the hot gas flow enters into holding chamber 21 through air intake 22, thereby can dry the soil sample of treating in holding chamber 21 and drying in the predetermined temperature, based on this, the soil sample drying device that this embodiment provided does not receive the restriction of environmental factor such as place, temperature, humidity, drying cycle is short, the heat loss is little, drying efficiency is high, help the smooth progress of engineering progress. Meanwhile, the heat source of the heat lifting device 4 is air, so that the influence on chemical components such as pH and organic matters of the soil sample to be dried can be avoided, and the accuracy of the test result can be improved.
In the present embodiment, referring to fig. 1, the heat elevating means 4 includes a compressor 43, an evaporator 421 and a condenser 411, an inlet of the compressor 43 communicates with an outlet of the evaporator 421, an outlet of the compressor 43 communicates with an inlet of the condenser 411, an outlet of the condenser 411 communicates with an inlet of the evaporator 421 through a capillary tube 44, the evaporator 421 is formed as a heat absorbing end 42, and the condenser 411 is formed as a heat radiating end 41.
An expansion valve 45 is further provided in a capillary tube 44 that connects the condenser 411 and the evaporator 421.
When the device is used specifically, the low-pressure liquid heat transfer working medium in the evaporator 421 absorbs heat from air and is converted into low-pressure gas, the low-pressure gas is compressed from low-pressure gas to high-temperature high-pressure gas by the compressor 43 and enters the condenser 411, the condenser 411 releases heat, so that the low-temperature air around the condenser 411 absorbs the heat of the condenser 411, that is, the low-temperature air around the condenser 411 absorbs the heat of the high-temperature high-pressure gas working medium and rises in temperature to become hot air, so that the hot air is changed into hot air under the action of the fan 5, the hot air enters the accommodating cavity 21 through the air inlet 22 and dries a soil sample to be dried, meanwhile, moisture in the accommodating cavity 21 enters the periphery of the evaporator 421 along with the hot air from the air outlet 23, and the low-pressure liquid heat transfer working medium in the evaporator 421 can condense the moisture in the hot air into condensed water.
The hot air flow enters the periphery of the evaporator 421 from the air outlet 23, and the hot air flow after being absorbed by the evaporator 421 enters the periphery of the condenser 411 through the air duct to absorb heat and raise temperature to be changed into hot air flow for circulation, so that a closed hot air circulation is formed, and energy damage is reduced.
In addition, the heat of the high-temperature and high-pressure gas working medium is absorbed after passing through the condenser 411, so that the high-temperature and high-pressure gas working medium is cooled and condensed into high-pressure liquid, the high-pressure liquid is changed into low-pressure liquid through the capillary tube 44 and the expansion valve 45, and then the low-pressure liquid enters the evaporator 421 to complete heating circulation, and heat lifting is formed.
Further, because the evaporator 421 will produce condensed water in the process of absorbing heat, in order to avoid the condensed water accumulating in the heat source box 3 from affecting other parts, a drain port 31 for draining the condensed water is opened at the bottom of the heat source box 3, wherein the drain port 31 is located below the evaporator 421, so that the condensed water produced by the evaporator 421 can be drained to the outside of the heat source box 3 through the drain port 31, and the service life of the soil sample drying device provided by this embodiment can be prolonged to a certain extent.
In this embodiment, referring to fig. 1, fig. 4 and fig. 5, the soil sample drying device further includes a temperature controller 61 and a temperature sensor 62 electrically connected to the temperature controller 61, wherein the temperature controller 61 is disposed in the heat source box 3 and close to the heat releasing end 41, the temperature sensor 62 is disposed in the accommodating cavity 21 and is configured to collect a temperature signal in the accommodating cavity 21, and the temperature controller 61 adjusts heat released by the heat releasing end 41 according to the temperature signal collected by the temperature sensor 62 to keep the temperature in the accommodating cavity 21 within a preset temperature, so as to keep the temperature in the accommodating cavity 21 within the preset temperature, and perform low-temperature drying on the soil sample to be dried.
In concrete implementation, referring to fig. 1, two temperature sensors 62 are provided, two temperature sensors 62 are respectively disposed on one side of the air inlet 22 close to the accommodating cavity 21 and one side of the air outlet 23 close to the accommodating cavity 21, that is, one temperature sensor 62 is respectively disposed at the air inlet 22 and the air outlet 23 on the inner wall of the accommodating cavity 21, so as to collect the air flow temperature at the air inlet 22 and the air flow temperature at the air outlet 23, thereby effectively ensuring that the drying temperature of the soil sample to be dried in the accommodating cavity 21 is kept within the preset temperature, the drying efficiency is high, and the drying period is short.
Further, one side of the heat source box 3 close to the drying box 2 is open, the air inlets 22 and the air outlets 23 are both arranged on one side of the drying box 2 close to the heat source box 3, the number of the air inlets 22 is at least two, the at least two air inlets 22 are arranged along the length direction and/or the width direction of the drying box 2 at intervals, and the number of the air inlets 22 is larger than that of the air outlets 23.
It should be noted here that the number of the air inlets 22 is greater than that of the air outlets 23, which indicates that the total area of the openings of the air inlets 22 is greater than that of the openings of the air outlets 23, that is, the amount of the hot air flowing into the accommodating chamber 21 is greater than that of the hot air flowing out of the accommodating chamber 21 in the same time period, so that the hot air can stay in the accommodating chamber 21 for a certain time, and can fully contact with the sample to be dried in the accommodating chamber 21, thereby fully drying the sample, and contributing to improving the drying efficiency.
In this embodiment, referring to fig. 1, 4 and 5, the outer wall of the drying box 2 has a hollow cavity, and the hollow cavity is provided with the heat insulating layer 7, so that heat loss in the accommodating cavity 21 is small, the temperature in the accommodating cavity 21 can be kept within a preset temperature, drying efficiency can be improved, and user experience is good.
The heat insulation layer 7 can be made of any suitable material, such as a polyurethane heat insulation board 9 or heat insulation cotton.
Further, referring to fig. 1, fig. 4 and fig. 5, a blocking plate 8 is disposed in the drying box 2, a first through hole 81 is opened on the blocking plate 8, the accommodating chamber 21 is divided into at least two sub-chambers 211 by the blocking plate 8, any two adjacent sub-chambers 211 are communicated with each other through the first through hole 81 on the blocking plate 8 between the two sub-chambers, that is, the airflow passes through the first through hole 81 and enters the sub-chamber 211 located at the upstream into the sub-chamber 211 located at the downstream.
During the concrete implementation, separation plate 8 can be one, a separation plate 8 is split into two sub-chambeies 211 with holding chamber 21, of course, separation plate 8 also can be two or more, two or more separation plate 8 set up along stoving case 2's length direction and/or width direction interval, two or more separation plate 8 are split into a plurality of sub-chambeies 211 with holding chamber 21, each sub-chamber 211 all can be used to place treats the soil sample of drying, so design, can dry simultaneously a plurality of soil samples of treating drying, drying efficiency is high.
In a specific implementation, the number of the first through holes 81 on the blocking plate 8 may be one, certainly, it may also be multiple, when the number of the first through holes 81 is multiple, the multiple first through holes 81 are arranged at intervals along the length direction of the blocking plate 8, and/or at least two first through holes 81 are arranged at intervals along the width direction of the blocking plate 8, so that the air flow is uniform, and the stress concentration is avoided.
Further, in order to avoid waste, the blocking plates 8 are arranged to be of a hollow structure, the insulation boards 9 are connected in the hollow inner cavities of the blocking plates 8 in a sliding mode, the insulation boards 9 correspond to the first through holes 81, the second through holes 92 are formed in the positions, corresponding to the insulation boards 9, of the insulation boards, the sliding direction of the insulation boards 9 is along, and the size between the two adjacent first through holes 81 is larger than the diameter of each second through hole 92.
It can be understood that, the insulation board 9 slides in the corresponding blocking board 8, as shown in fig. 2, when the first through hole 81 and the second through hole 92 are aligned, the air duct between the two adjacent sub-cavities 211 is opened, as shown in fig. 3, when the first through hole 81 and the second through hole 92 are dislocated, the air duct between the two adjacent sub-cavities 211 is closed, so that the size of the drying area of the accommodating cavity 21 is adjustable, and the utilization rate is high.
Exemplarily, when waiting to dry soil sample quantity few, and sub-cavity 211 is many, can slide the heated board 9 in the baffler 8 that unnecessary sub-cavity 211 corresponds to make second through-hole 92 and first through-hole 81 dislocation, at this moment, corresponding baffler 8 becomes the shutoff board, has closed unnecessary wind channel this moment, thereby with unnecessary sub-cavity 211 shutoff, reduce calorific loss, drying efficiency is high.
Exemplarily, when the soil sample quantity that waits to dry is many, and the sub-chamber 211 of opening is when few, can slide the heated board 9 in the baffler 8 that the sub-chamber 211 that closes corresponds to make second through-hole 92 and first through-hole 81 align, at this moment, the wind channel in the corresponding baffler 8 is opened, thereby opens the sub-chamber 211 that will close, simple structure, and it is nimble to use, and drying efficiency is high.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The soil sample drying device is characterized by comprising a supporting seat (1), and a drying box (2) and a heat source box (3) which are arranged on the supporting seat (1);
the drying box (2) is internally provided with a containing cavity (21) for containing a soil sample to be dried, the containing cavity (21) is provided with an air inlet (22) and an air outlet (23), a heat lifting device (4) is arranged in the heat source box (3), a heat release end (41) of the heat lifting device (4) is communicated with the air inlet (22), a heat absorption end (42) of the heat lifting device (4) is communicated with the air outlet (23), so that an air channel is formed among the heat absorption end (42), the heat release end (41), the air inlet (22), the containing cavity (21) and the air outlet (23);
the heat source box (3) is further internally provided with a fan (5), the fan (5) and the heat release end (41) are located on the same side, under the action of the fan (5), the heat absorption end (42) at least absorbs heat from airflow discharged from the air outlet (23), and the heat is transferred into the accommodating cavity (21) through the heat release end (41) so as to dry a soil sample to be dried accommodated in the accommodating cavity (21) within a preset temperature.
2. Soil sample drying device according to claim 1, characterized in that the heat lifting device (4) comprises a compressor (43), an evaporator (421) and a condenser (411);
an inlet of the compressor (43) communicates with an outlet of the evaporator (421), an outlet of the compressor (43) communicates with an inlet of the condenser (411), an outlet of the condenser (411) communicates with an inlet of the evaporator (421) through a capillary tube (44), the evaporator (421) is formed as the heat absorbing end (42), and the condenser (411) is formed as the heat radiating end (41).
3. The soil sample drying device according to claim 2, wherein a drain opening (31) for draining condensed water is opened at the bottom of the heat source box (3), and the drain opening (31) is positioned below the evaporator (421).
4. The soil sample drying device according to claim 1, further comprising a temperature controller (61) and a temperature sensor (62) electrically connected to the temperature controller (61);
thermostat (61) set up in heat source case (3), and be close to send out heat end (41), temperature sensor (62) set up in holding chamber (21), and be used for the collection temperature signal in holding chamber (21), thermostat (61) basis the temperature signal that temperature sensor (62) gathered adjusts the heat that send out heat end (41) release, with will temperature in holding chamber (21) keeps in predetermineeing the temperature.
5. Soil sample drying device according to claim 4, characterized in that the temperature sensors (62) are two, and the two temperature sensors (62) are respectively arranged at the air inlet (22) and the air outlet (23).
6. The soil sample drying device according to claim 1, wherein one side of the heat source box (3) close to the drying box (2) is open, and the air inlet (22) and the air outlet (23) are both arranged on one side of the drying box (2) close to the heat source box (3);
the number of the air inlets (22) is at least two, the at least two air inlets (22) are arranged at intervals along the length direction and/or the width direction of the drying box (2), and the number of the air inlets (22) is larger than that of the air outlets (23).
7. The soil sample drying device according to claim 1, wherein the outer wall of the drying box (2) is provided with a hollow cavity, and an insulating layer (7) is arranged in the hollow cavity.
8. The soil sample drying device according to any one of claims 1 to 7, wherein a blocking plate (8) is arranged in the drying box (2), a first through hole (81) is formed in the blocking plate (8), the accommodating cavity (21) is divided into at least two sub-cavities (211) by the blocking plate (8), and any two adjacent sub-cavities (211) are communicated.
9. Soil sample drying device according to claim 8, wherein said first through holes (81) are at least two;
at least two first through holes (81) are arranged at intervals along the length direction of the barrier plate (8), and/or at least two first through holes (81) are arranged at intervals along the width direction of the barrier plate (8).
10. The soil sample drying device according to claim 9, wherein the blocking plate (8) is of a hollow structure, an insulation plate (9) is slidably arranged in an inner cavity of the blocking plate (8), and second through holes (92) are formed in positions of the insulation plate (9) corresponding to the first through holes (81);
along the sliding direction of the heat insulation plate (9), the size between two adjacent first through holes (81) is larger than the diameter of the second through hole (92).
CN202210023104.9A 2022-01-10 2022-01-10 Soil sample drying device Pending CN114508908A (en)

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Application Number Priority Date Filing Date Title
CN202210023104.9A CN114508908A (en) 2022-01-10 2022-01-10 Soil sample drying device

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Application Number Priority Date Filing Date Title
CN202210023104.9A CN114508908A (en) 2022-01-10 2022-01-10 Soil sample drying device

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CN109282588A (en) * 2018-10-23 2019-01-29 苏州爱立方服饰有限公司 A kind of novel pin fabric rapid-curing cutback equipment
CN212720752U (en) * 2020-07-27 2021-03-16 江门市御广陈皮茶业有限公司 Drying device of agricultural product processing usefulness
CN214039251U (en) * 2020-12-24 2021-08-24 上海文淼生物医药科技有限公司 Heated air circulation oven

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* Cited by examiner, † Cited by third party
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CN202092416U (en) * 2011-04-02 2011-12-28 东莞铿利五金制品有限公司 Drying machine
CN103175382A (en) * 2011-12-26 2013-06-26 中国科学院理化技术研究所 Heat pump drying system
KR20140057724A (en) * 2012-11-02 2014-05-14 한국에너지기술연구원 Fluidized bed drying device being capable of removing foreign materials
CN104964525A (en) * 2015-07-01 2015-10-07 天津市傲绿农副产品集团股份有限公司 Heat pump type fruit and vegetable drying machine
CN205027088U (en) * 2015-08-27 2016-02-10 佛山市环保技术与装备研发专业中心 Batch soil drying equipment
CN205747735U (en) * 2016-06-13 2016-11-30 天津丰华裕隆农业发展有限公司 A kind of electric drying oven with forced convection
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CN214039251U (en) * 2020-12-24 2021-08-24 上海文淼生物医药科技有限公司 Heated air circulation oven

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Application publication date: 20220517