CN109506425A - Agricultural product drying device - Google Patents
Agricultural product drying device Download PDFInfo
- Publication number
- CN109506425A CN109506425A CN201811271503.7A CN201811271503A CN109506425A CN 109506425 A CN109506425 A CN 109506425A CN 201811271503 A CN201811271503 A CN 201811271503A CN 109506425 A CN109506425 A CN 109506425A
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- CN
- China
- Prior art keywords
- drying
- air
- pipeline
- agricultural product
- air inlet
- 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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Classifications
-
- 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 for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/25—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside 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 for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/30—Controlling, e.g. regulating, parameters of gas supply
- F26B21/33—Humidity
- F26B21/333—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/30—Controlling, e.g. regulating, parameters of gas supply
- F26B21/35—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/50—Ducting arrangements from the source of air or other gases to the materials or objects being dried
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of drying treatment, in particular to an agricultural product drying device which comprises a drying chamber and a heat pump mechanism, wherein the heat pump mechanism comprises a compressor, a condenser, an evaporator and a heat pump controller, an air inlet of the drying chamber is communicated with an air inlet pipeline, the condenser is arranged at the air inlet in the drying chamber, the agricultural product drying device also comprises a drying mechanism, the drying mechanism comprises an inner circulating pipeline and an outer circulating pipeline, the outer circulating pipeline is arranged in the air inlet pipeline, the inner circulating pipeline and the evaporator perform heat exchange to refrigerate cold-carrying media in the inner circulating pipeline, two ends of the outer circulating pipeline are communicated with the inner circulating pipeline, and one end of the outer circulating pipeline is provided with a first control valve. The application of the inner circulation pipeline and the outer circulation pipeline of the drying mechanism carry out condensation drying on air entering the air inlet pipeline from the outside, so that moisture of hot air in the drying chamber is greatly reduced, and the drying effect on agricultural products is good.
Description
Technical field
The present invention relates to Drying Treatment Technology fields, refer in particular to a kind of agricultural product drying device.
Background technique
Agricultural product are the articles produced in agricultural, such as sorghum, rice, peanut, corn, wheat and each regional local and special products
It is the basis of a national sustainable development Deng the self-sufficient of, food, the growth of agricultural product be unable to do without the science and technology of science
The mechanical equipment that can assist agricultural production that production technology and infant industry manufacture can be with such as the dryer of agricultural product
Agricultural product are quickly and efficiently dried, cereal crops, the Chinese medicines such as Radix Ophiopogonis, fructus lycii, the dry fruits such as walnut, wheat, corn etc. are suitable for
Grain, the agricultural product such as Chinese prickly ash, capsicum, the mushrooms such as agaric, the aquatic products such as kelp, dried shrimp, vegetables and fruit, the organic fertilizers such as chicken manure
Material, the agricultural and sideline product drying that sawdust, coal slime etc. need to dry have strong drying capacity, save the cost, smooth running, pollution-free, behaviour
Make the advantages that convenient, high-efficient.
Current agricultural product drying machine is usually that directly extraneous air is sent into heat pump mechanism, and heat pump mechanism is to these
Air is heated to preset temperature, then these hot-airs are sent to being dried in drying room to agricultural product, not to extraneous
Air is dried, and causes hot-air with more moisture, and the drying effect of agricultural product is poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of agricultural product drying devices, can carry out to extraneous air cold
Solidifying drying, so that the moisture for entering the indoor hot-air of drying greatly reduces, to the good drying effect of agricultural product.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of agricultural product drying device comprising drying room and heat pump mechanism, heat pump mechanism include compressor, condensation
Device, evaporator and heat pump controller, the air inlet of the drying room are communicated with intake stack, and the condenser is set to drying room
Interior air inlet further includes drier, and the drier includes that circulation has the internal recycle pipeline of refrigerating medium and outer
Circulating line, the internal recycle pipeline are equipped with circulating pump, and the outer circulation pipeline is set in intake stack, the inner circulating tube
Road and evaporator carry out heat exchange to freeze for the refrigerating medium in inner loop pipeline, the outer circulation pipe ends
On internal recycle pipeline, wherein one end that the outer circulation pipeline is connected to internal recycle pipeline is equipped with the first control valve for connection,
First control valve is opened to control the refrigerating medium in internal recycle pipeline and flow into outer circulation pipeline.
Further, the intake stack, which is located at, dries indoor air inlet inner wall equipped with the support for collecting condensed water
Disk ring, the intake stack outer wall are communicated with Drainage pipe, and the Drainage pipe is connected to pallet ring.
Further, the drying unit further includes control device, and temperature sensor is equipped in the drying room, described to follow
Ring pump, temperature sensor, the first control valve, heat pump controller are electrically connected at control device.
Further, the intake stack is additionally provided with preheating device close to drying room air inlet.
Further, the drying room includes warehouse for drying, two air supply ducts, one end difference of two air supply ducts
The opposite two sides of condenser are set, and the other end of two air supply ducts is respectively communicated in the two sides of warehouse for drying.
Further, the drying unit further includes the Wind Control device for adjusting the air-out direction of air supply duct,
Wind Control device includes the driving part of fan blade and driving fan blade rotation, the quantity of fan blade be it is multiple, multiple fan blades turn
The dynamic outlet air end for being set to air supply duct.
Further, the drying unit is additionally provided with return air duct and for that will dry the indoor air discharge external world
One end of wind pipe, return air duct is connected to drying room, and the other end of return air duct is connected to wind pipe, return air duct
Air intake is equipped with air inlet valve, and the inside of return air duct is equipped with hygroscopic part.
Further, the outlet air end of the wind pipe is equipped with the regenerative apparatus for recycling heat.
Further, the wind pipe is equipped with outlet valve, and outlet valve is set to the wind pipe of regenerative apparatus air intake
On.
Beneficial effects of the present invention: the internal recycle pipeline of the drier of the application is passed through water or other liquid as refrigerating
Medium, evaporator gasification heat absorption, the refrigerating medium refrigeration in inner loop pipeline, the refrigerating medium by refrigeration flow into be located at into
Extraneous air is sent into intake stack by the outer circulation pipeline in air piping, and circulation has the outer circulation pipeline of refrigerating medium to make
The temperature for obtaining the air in intake stack reduces, according to the moisture that can contain in the higher air of physical basis knowledge temperature
It is more, conversely, the moisture that can contain in temperature more low latitude gas is fewer, outer circulation pipeline can to the moisture in air into
Row condensation is sent to condenser, condenser and the external world by the dry air of condensation so that the moisture in air forms condensed water
Assisted heating device these air are heated, the air by heating is sent to drying room, and agricultural product are placed in drying
Interior, hot-air carry out drying moisture to agricultural product in drying indoor moveable, the internal recycle pipeline of the drier of the application and
The external boundary of outer circulation pipeline carries out condensation drying into the air in intake stack, so that drying the moisture of indoor hot-air
Greatly reduce, to the good drying effect of agricultural product.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Description of symbols:
1- drying room；11- warehouse for drying；12- air supply duct；2- heat pump mechanism；21- compressor；22- condenser；23- evaporation
Device；24- heat pump controller；3- intake stack；31- pallet ring；32- Drainage pipe；33- preheating device；4- drier；41-
Internal recycle pipeline；42- outer circulation pipeline；The first control valve of 43-；44- circulating pump；5- control device；6- temperature sensor；7- goes out
Air piping；71- regenerative apparatus；72- outlet valve；8- return air duct；81- hygroscopic part；82- air inlet valve；9- Wind Control device；
91- fan blade.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figure 1, a kind of agricultural product drying device provided by the invention comprising drying room 1 and heat pump mechanism 2,
Heat pump mechanism 24 includes compressor 21, condenser 22, evaporator 23 and heat pump controller 24, the air inlet of the drying room 1
It is communicated with intake stack 3, it further includes drier 4, the drying that the condenser 22, which is set to the air inlet in drying room 1,
Mechanism 4 includes the internal recycle pipeline 41 and outer circulation pipeline 42 that circulation has refrigerating medium, and the internal recycle pipeline 41 is equipped with
Circulating pump 41, the outer circulation pipeline 42 are set in intake stack 3, and the internal recycle pipeline 41 carries out heat exchange with evaporator 23
To freeze for the refrigerating medium in inner loop pipeline 41,42 both ends of outer circulation pipeline are connected in inner circulating tube
On road 41, wherein one end that the outer circulation pipeline 42 is connected to internal recycle pipeline 41 is equipped with the first control valve 43, and described first
Control valve 43 is opened to control the refrigerating medium in internal recycle pipeline 41 and flow into outer circulation pipeline 42.
Current agricultural product drying machine is usually that directly extraneous air is sent into condenser 22, and condenser 22 is to these
Air is heated to preset temperature, then these hot-airs are sent to being dried in drying room 1 to agricultural product, not to extraneous
Air is dried, and causes the hot-air in drying room 1 with more moisture, the drying effect of agricultural product is poor；In order to solve
Described problem, the application is equipped with drier 4, and in practice, the internal recycle pipeline logical 41 of drier 4 enters water or other liquid
Body absorbs heat as refrigerating medium, the gasification of evaporator 23, the refrigerating medium refrigeration in inner loop pipeline 41, by the refrigerating of refrigeration
Medium flows into the outer circulation pipeline 42 being located in intake stack 3, and extraneous air is sent into intake stack 3, and circulation has refrigerating
The outer circulation pipeline 42 of medium reduces the temperature of the air in intake stack 3, is got over according to physical basis knowledge temperature
The moisture that can contain in high air is more, conversely, the moisture that can contain in temperature more low latitude gas is fewer, outer circulating tube
Road 42 can condense the moisture in air, so that the moisture in air forms condensed water, condensed water is aggregated in blast pipe
On the inner wall in road 3 or on the outer wall of internal recycle pipeline 41, condenser 22,22 He of condenser are sent to by the dry air of condensation
Extraneous assisted heating device heats these air, and the air by heating is sent to drying room 1, and drying room 1 is sent
Wind mode can be for from two Lateral supplies of drying room 1, agricultural product be placed in drying room 1, and hot-air flows pair in drying room 1
Agricultural product carry out drying moisture；The circulating pump 44 conveys refrigerating medium for inner loop pipeline 41；When the first control valve 43
When closing, refrigerating medium is only in 41 internal circulation flow of internal recycle pipeline, and the air inlet of condenser 22 is undried at this time；When the first control
When valve 43 processed is opened, refrigerating medium passes sequentially through internal recycle pipeline 41, outer circulation pipeline 42 forms the circuit of circulation, condenses at this time
The air inlet of device 22 has already passed through condensation drying, and whether the air inlet that can adjust intake stack 3 as the case may be passes through drying；This
The internal recycle pipeline 41 of the drier 4 of application and 42 pairs of the outer circulation pipeline extraneous air into intake stack 3 carry out
Drying is condensed, so that the moisture of the hot-air in drying room 1 greatly reduces, to the good drying effect of agricultural product.
In the present embodiment, the intake stack 3 is located at the air inlet inner wall in drying room 1 and is equipped with for collecting condensed water
Pallet ring 31,3 outer wall of intake stack is communicated with Drainage pipe 32, and the Drainage pipe 32 is connected to pallet ring 31.It is cold
Liquefied water droplet can be aggregated during solidifying on outer circulating line 42, pallet ring 31 is for accepting these water droplets, Drainage pipe 32
These condensed waters are discharged.
In the present embodiment, the drying unit further includes control device 5, is equipped with temperature sensor 6 in the drying room 1,
The circulating pump 44, temperature sensor 6, the first control valve 43, heat pump controller 24 are electrically connected at control device 5.It is described
Control device pumps 44, temperature sensor 6, the first control valve 43, heat pump controller 24 for control loop.
In the present embodiment, the intake stack 3 is additionally provided with preheating device 33 close to 1 air inlet of drying room.The preheating
Device 33 is used to preheat the air for condensing drying by outer circulation pipeline 42, is sent to by preheating air cold
Condenser 22 reheats, and the heating speed of air greatly improves, and improves the rate of heat addition of entire drying unit.
In the present embodiment, the drying room 1 includes 11, two air supply ducts 12 of warehouse for drying, two air supply ducts 12
One end be separately positioned on the opposite two sides of condenser 22, the other end of two air supply ducts 12 is respectively communicated in warehouse for drying 11
Two sides.Two air supply ducts 12 make the air supply mode of drying room 1 be two Lateral supplies, and agricultural product are placed in warehouse for drying 11
It is interior, so that agricultural product are heated evenly and shorten drying time, improve drying effect.
In the present embodiment, the drying unit further includes the wind direction control dress for adjusting the air-out direction of air supply duct 12
Set 9, Wind Control device 9 includes fan blade 91 and the driving part that drives fan blade 91 to rotate, the quantity of fan blade 91 be it is multiple, it is more
A fan blade 91 is rotatably dispose in the outlet air end of air supply duct 12.The fan blade 91 for changing warehouse for drying 11 air inlet direction,
Fan blade 91 is constantly swung up and down, so that hot wind equably blows to agricultural product, good drying effect；Preferably, the driving part
It can be motor.
In the present embodiment, the drying unit is additionally provided with return air duct 8 and for the air discharge in drying room 1 is outer
One end of the wind pipe 7 on boundary, return air duct 8 is connected to drying room 1, and the other end of return air duct 8 is connected to wind pipe 7,
The air intake of return air duct 8 is equipped with air inlet valve 82, and the inside of return air duct 8 is equipped with hygroscopic part 81.The return air duct 8 is used for
Heating air is in 11 internal circulation flow of warehouse for drying；When air inlet valve 82 is closed, the hot-air in warehouse for drying 11 is directly by discharge pipe
Atmosphere is discharged in road 7；When air inlet valve 82 is opened, the hot-air in warehouse for drying 11 flows back to warehouse for drying 11 by return air duct 8；Due to drying
The agricultural product for having moisture are placed in dry storehouse 11, so that the water content of hot-air also increases, hygroscopic part 81 can be by hygroscopic material
It is made, hygroscopic part 81 is used to that the hot wind that circulation flows back in warehouse for drying to be dried, and improves the drying effect to agricultural product.
In the present embodiment, the outlet air end of the wind pipe 7 is equipped with the regenerative apparatus 71 for recycling heat.Warehouse for drying 11
Interior hot wind, which is expelled directly out atmosphere and will lead to a large amount of heat, to be discharged, and waste of energy, the regenerative apparatus 71 is for the row of collection
The heat of hot wind out, economizes on resources, and is more energy-saving and environmentally friendly.
In the present embodiment, the wind pipe 7 is equipped with outlet valve 72, and outlet valve 72 is set to 71 air intake of regenerative apparatus
On wind pipe 7.When outlet valve 72 is closed and air inlet valve 82 is opened, the hot-air in warehouse for drying 11 is constantly recycled, to agriculture
Product carries out the drying of higher temperatures, accelerates drying rate；When outlet valve 72 is opened and air inlet valve 82 is closed, in warehouse for drying 11
Hot-air is all discharged atmosphere, so that atmosphere is rapidly discharged in the damp-heat air in warehouse for drying 11；When outlet valve 72 and air inlet
When valve 82 is opened, a part of damp-heat air is discharged atmosphere, and another part hot-air, can be in 11 internal circulation flow of warehouse for drying
The cycle bleeder state of the hot-air in warehouse for drying 11 is adjusted according to the actual situation.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (9)
1. a kind of agricultural product drying device comprising drying room and heat pump mechanism, heat pump mechanism include compressor, condenser,
Evaporator and heat pump controller, the air inlet of the drying room are communicated with intake stack, and the condenser is set in drying room
Air inlet, it is characterised in that: further include drier, the drier includes that circulation has the interior circulation of refrigerating medium
Pipeline and outer circulation pipeline, the internal recycle pipeline are equipped with circulating pump, and the outer circulation pipeline is set in intake stack, described
Internal recycle pipeline and evaporator carry out heat exchange to freeze for the refrigerating medium in inner loop pipeline, the outer circulation
Pipe ends are connected on internal recycle pipeline, and wherein one end that the outer circulation pipeline is connected to internal recycle pipeline is equipped with first
Control valve, first control valve are opened to control the refrigerating medium in internal recycle pipeline and flow into outer circulation pipeline.
2. a kind of agricultural product drying device according to claim 1, it is characterised in that: the intake stack is located at drying room
Interior air inlet inner wall is equipped with the pallet ring for collecting condensed water, and the intake stack outer wall is communicated with Drainage pipe, institute
Drainage pipe is stated to be connected to pallet ring.
3. a kind of agricultural product drying device according to claim 1, it is characterised in that: the drying unit further includes control
Device, the drying room is interior to be equipped with temperature sensor, and the circulating pump, temperature sensor, the first control valve, heat pump controller are equal
It is electrically connected at control device.
4. a kind of agricultural product drying device according to claim 1, it is characterised in that: the intake stack is close to drying room
Air inlet is additionally provided with preheating device.
5. a kind of agricultural product drying device according to claim 1, it is characterised in that: the drying room include warehouse for drying,
Two air supply ducts, one end of two air supply ducts are separately positioned on the opposite two sides of condenser, two air supply ducts
The other end is respectively communicated in the two sides of warehouse for drying.
6. a kind of agricultural product drying device according to claim 5, it is characterised in that: the drying unit further includes being used for
The Wind Control device of the air-out direction of air supply duct is adjusted, Wind Control device includes the drive of fan blade and driving fan blade rotation
Dynamic component, the quantity of fan blade be it is multiple, multiple fan blades are rotatably dispose in the outlet air end of air supply duct.
7. a kind of agricultural product drying device according to claim 1, it is characterised in that: the drying unit is additionally provided with return air
Pipeline and the wind pipe that the external world is discharged for that will dry indoor air, one end of return air duct are connected to drying room, are returned
The other end of air piping is connected to wind pipe, and the air intake of return air duct is equipped with air inlet valve, and the inside of return air duct, which is equipped with, inhales
Wet end part.
8. a kind of agricultural product drying device according to claim 7, it is characterised in that: the outlet air end of the wind pipe is set
There is the regenerative apparatus for recycling heat.
9. a kind of agricultural product drying device according to claim 8, it is characterised in that: the wind pipe is equipped with outlet air
Valve, outlet valve are set on the wind pipe of regenerative apparatus air intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271503.7A CN109506425A (en) | 2018-10-29 | 2018-10-29 | Agricultural product drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271503.7A CN109506425A (en) | 2018-10-29 | 2018-10-29 | Agricultural product drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506425A true CN109506425A (en) | 2019-03-22 |
Family
ID=65747054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271503.7A Pending CN109506425A (en) | 2018-10-29 | 2018-10-29 | Agricultural product drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506425A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110551544A (en) * | 2019-08-29 | 2019-12-10 | 华强化工集团股份有限公司 | Coal rod production process |
| CN112050567A (en) * | 2020-09-24 | 2020-12-08 | 肖宏意 | An agricultural product dryer and drying line equipment |
| CN112611211A (en) * | 2020-12-10 | 2021-04-06 | 广州中嘉装备科技有限公司 | Organic fertilizer drying process |
| CN113776322A (en) * | 2021-09-27 | 2021-12-10 | 郑州大学 | A contact heat pump dryer |
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| CN205980700U (en) * | 2016-08-25 | 2017-02-22 | 中国汽车工业工程有限公司 | Responsibility is dodged all to heat of high -efficient heat recovery |
| WO2018048467A1 (en) * | 2016-09-08 | 2018-03-15 | Nyle Systems, Llc | High temperature dehumidification drying system |
| CN207335387U (en) * | 2017-06-22 | 2018-05-08 | 宁夏百乐杞智汇科技有限公司 | A kind of dehydrating unit for drying of Chinese wolfberry machine |
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| US8978269B2 (en) * | 2009-07-08 | 2015-03-17 | Air-Tech Engineering Co., Ltd. | Hybrid drying system and method for controlling a hybrid drying system |
| CN104019643A (en) * | 2013-02-28 | 2014-09-03 | 中国科学院理化技术研究所 | Agricultural product heat pump drying system with waste heat recovery function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110551544A (en) * | 2019-08-29 | 2019-12-10 | 华强化工集团股份有限公司 | Coal rod production process |
| CN112050567A (en) * | 2020-09-24 | 2020-12-08 | 肖宏意 | An agricultural product dryer and drying line equipment |
| CN112611211A (en) * | 2020-12-10 | 2021-04-06 | 广州中嘉装备科技有限公司 | Organic fertilizer drying process |
| CN113776322A (en) * | 2021-09-27 | 2021-12-10 | 郑州大学 | A contact heat pump dryer |
| CN113776322B (en) * | 2021-09-27 | 2025-01-10 | 郑州大学 | A contact heat pump dryer |
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Application publication date: 20190322 |