CN109059461A - Drying unit - Google Patents
Drying unit Download PDFInfo
- Publication number
- CN109059461A CN109059461A CN201811137811.0A CN201811137811A CN109059461A CN 109059461 A CN109059461 A CN 109059461A CN 201811137811 A CN201811137811 A CN 201811137811A CN 109059461 A CN109059461 A CN 109059461A
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- China
- Prior art keywords
- warehouse
- gas
- processing stage
- drying
- evaporator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
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- 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
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- 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
Abstract
The present invention relates to a kind of drying units, first warehouse and the second warehouse dry warehouse and preheating warehouse each other, the preheating warehouse is used for the first processing stage of drying materials, the drying warehouse is used for the second processing stage of drying materials, and the drainage blower is for draining warehouse for drying indoor gas in pre-heating cabin room；When the first storehouse, indoor material enters second processing stage by the first processing stage, the indoor material in the second storehouse entered for the first processing stage by second processing stage；When the indoor material in the first storehouse entered for the first processing stage by second processing stage, the indoor material in the second storehouse enters second processing stage by the first processing stage；It can be realized the indoor gas of the first warehouse and the second storehouse by drainage blower regularly mutually to flow, and then realize the recycling of gas heat.
Description
Technical field
The present invention relates to drying technology fields, more particularly to a kind of drying unit.
Background technique
Since heat-pump-type drying has many advantages, such as hygienic environment-protecting, operation is convenient, dries quantity is good and is used widely.Mesh
Before, heat-pump-type drying is mainly heat to be provided in baking oven, and be discharged using the gas-circulating system that baking oven is equipped with using heat pump
Humid gas, and then realize the dehumidifying and drying of material in baking oven.The humid gas being generally discharged has the spies such as water capacity is high, enthalpy is big
Point causes serious heat loss so that heat utilization ratio is low.
Summary of the invention
Based on this, the invention reside in overcoming the deficiencies of existing technologies, a kind of drying unit is provided, to reduce thermal loss.
A kind of drying unit, including warehouse for drying and drainage blower, the warehouse for drying is interior to be equipped with mutually independent first warehouse
With the second warehouse；First warehouse is equipped with the first runner inside and outside the first warehouse of connection, is equipped with and corresponds in first warehouse
First circulation blower and primary heater, the first circulation blower is described for making gas circulating flow in the first warehouse
Primary heater is for heating the indoor gas in the first storehouse；Second warehouse is equipped with the second inside and outside the second warehouse of connection
Road, is equipped with corresponding second circulation blower and secondary heater in second warehouse, and the second circulation blower is for making the
Gas circulating flow in two warehouses, the secondary heater is for heating the indoor gas in the second storehouse；First warehouse and
Ventilation opening is equipped between two warehouses, the drainage blower is correspondingly arranged with ventilation opening.First warehouse and the second warehouse are dried each other
Warehouse and preheating warehouse, the preheating warehouse are used for the first processing stage of drying materials, and the drying warehouse is dried for material
Dry second processing stage, the drainage blower is for draining warehouse for drying indoor gas in pre-heating cabin room；When the first storehouse
When indoor material enters second processing stage by the first processing stage, the indoor material in the second storehouse is entered by second processing stage
First processing stage；When the indoor material in the first storehouse entered for the first processing stage by second processing stage, the second storehouse is indoor
Material enters second processing stage by the first processing stage.
Above-mentioned drying unit: it should be noted that the first above-mentioned processing stage is the early period of material dehumidifying, the first processing
Stage tentatively dehumidifies to material, and the gas humidity of the first processing stage is larger, and dehumidifying speed is fast.Above-mentioned second processing rank
Section is the later period of material dehumidifying, and second processing stage carries out depth dehumidifying to material, and the gas humidity of second processing stage is smaller,
The speed that dehumidifies is slow.Such as: when the first warehouse is preheating warehouse, the second warehouse is drying warehouse, at the indoor material in the second storehouse
In oven-dried condition, the indoor material in the first storehouse is in the pre-heat treatment state, and gas first enters the second warehouse from second flow channel, then leads to
Ventilation opening is crossed into the first warehouse, flows out the first warehouse finally by first runner.The indoor gas humidity in the first storehouse is big at this time
In the indoor gas humidity in the second storehouse, the indoor gas in the second storehouse can be due to helping reduce the first warehouse after entering the first warehouse
The humidity of interior gas, simultaneously because entering the characteristic that the indoor gas in the first storehouse has high temperature, low humidity from the second warehouse, into the
The gas of one warehouse can heated material can also take away material moisture.After the completion of drying materials in the second warehouse, to the second storehouse
Room is placed in material to be dried, and the first warehouse of adjustment is drying warehouse, the second warehouse is preheating warehouse, makes gas first from first-class
Road enters the first warehouse, then enters the second warehouse by ventilation opening, flows out the second warehouse finally by second flow channel.At this time second
The indoor gas humidity in storehouse is greater than the indoor gas humidity in the first storehouse, and the indoor gas in the first storehouse can be by after entering the second warehouse
In the humidity for helping reduce the second storehouse indoor gas, simultaneously because entering the indoor gas in the second storehouse from the first warehouse has height
Temperature, low humidity characteristic, into the second warehouse gas can heated material can also take away material moisture.It should be noted that the
First processing stage of the indoor material in one storehouse and second processing stage are completed in the first warehouse；Similarly, the second warehouse
First processing stage of interior material and second processing stage are completed in the second warehouse.The difference is that drainage blower
The direction of guidance gas flowing changes.That is, the flow direction of drainage blower guidance gas can change, but not
Become be drainage blower be that the indoor gas of warehouse for drying is drained in pre-heating cabin room.In this way, can make to utilize baking
The characteristics of gas humidity is less than pre-heating cabin indoor gas humidity in dry warehouse accelerates to preheat warehouse using the small hot gas of humidity
The moisture evaporation of interior material, such mode can improve the utilization rate of gas heat.Also it can make gas using gas enthalpy moisture performance simultaneously
Body is as much as possible to take away moisture, and then improves dehumidifying, drying efficiency.And due to the first processing stage of material and second at
The reason stage completes in same warehouse, so avoids heat bridges caused by storehouse door opening mobile material.And due to first
Warehouse and the second warehouse dry warehouse and preheating warehouse each other, and the drying course of material can be continuously finished.
The drying unit in one of the embodiments, further includes heat exchanger, and the heat exchanger is equipped with mutual
One end of independent first air flue and the second air flue, first air flue is communicated with the atmosphere, the other end of the first air flue and first
Runner connection, one end of second air flue are communicated with the atmosphere, and the other end of the second air flue is connected to second flow channel, and described first
Heat exchange can occur for the gas in air flue and the second air flue.The setting of heat exchanger can flow through the first air flue and the second air flue
Heat exchange occurs for gas, heats inflow gas using eluting gas, improves heat utilization ratio.
The drying unit in one of the embodiments, further include be connected in heat pump cycle circuit it is first cold
Condenser, the second condenser, the first evaporator and the second evaporator.First evaporator is corresponding with the outlet of first runner to be set
It sets, when first runner eluting gas, the first evaporator is used to absorb the heat of outflow first runner gas.Second evaporation
The outlet of device and second flow channel is correspondingly arranged, and when second flow channel eluting gas, the second evaporator is for absorbing outflow second
The heat of road gas.The first evaporator and the second evaporator being connected in heat pump cycle circuit can be become using refrigerant by gaseous state
At the exothermic process of liquid, the indoor gas of the first warehouse and the second storehouse is heated respectively.Refrigerant tool in circulation loop
There is stronger heat absorption capacity, the first evaporator and the second evaporator can absorb the heat of the gas of outflow first runner or second flow channel
Amount, and then improve the utilization rate of heat.
The heat pump cycle circuit includes that the first circulation branch and second to work independently follows in one of the embodiments,
Ring branch, first evaporator are connected in first circulation branch, and second evaporator is connected in second circulation branch,
When first runner eluting gas, the first evaporator operation, the second evaporator stops operation；When second flow channel eluting gas, second
Evaporator operation, the first evaporator stops operation.First evaporator and the second evaporator be connected to first circulation branch and
In second circulation branch, the first evaporator and second can be completed by controlling first circulation branch and second circulation branch respectively
Evaporator operation and the two states to stop working.It, can effective land productivity by the control to the first evaporator and the second evaporator
Heat recovery is carried out with the gas of the first evaporator and the second evaporator to the first warehouse of discharge and the second warehouse, while avoiding the
One evaporator and the second evaporator are absorbed into the heat of the gas of the first warehouse and the second warehouse.
First condenser is the primary heater in one of the embodiments,；Second condenser is institute
Secondary heater is stated, structure is simple, takes full advantage of the thermal circulation performance of heat pump circulating system.
Flow direction of the gas of the warehouse for drying indoor moveable at drainage fans entrance in one of the embodiments,
It is identical as the drainage drainage wind direction of blower, flow direction of the gas of the warehouse for drying internal circulation flow at drainage fan outlet
It is identical as the drainage drainage direction of blower.It drains blower and guides gas along the flow direction of drying warehouse and pre-heating cabin indoor gas
Body flows between drying warehouse and preheating warehouse, can so reduce the resistance of drainage blower guidance gas flowing, make to drain blower
Smoothly gas can be guided to flow, reduce the phenomenon for occurring turbulent flow in drying warehouse and pre-heating cabin room.
The first runner is connected to side of first warehouse far from ventilation opening in one of the embodiments,；Described second
Runner is connected to side of first warehouse far from ventilation opening.First runner and second flow channel and being oppositely arranged for ventilation opening can increase
The flow path of inflow gas improves contact duration of the gas with material, promotes effect on moisture extraction.
The drying unit in one of the embodiments, further includes the first supporter and the second supporter；Described
One supporter, first supporter are set in the first warehouse, the locular wall interval shape of first supporter and the first warehouse
At first gas circulatory flow；Second supporter, second supporter are set in the second warehouse, second glove
The locular wall interval of frame and the second warehouse forms second gas circulatory flow.First supporter and the second supporter can be conducive to be laid with
Material is unfolded, improves the contact area of material and gas, improves effect on moisture extraction, while utilizing first gas circulatory flow and second
Gas circulatory flow is able to ascend the patency of gas flowing, and then guarantees effect on moisture extraction.
First supporter includes the first frame body and the multilayer that is set on the first frame body in one of the embodiments,
First partition, adjacent first partition interval are arranged to form the first air duct；Second supporter includes the second frame body and is set to
Multilayer second partition on second frame body, adjacent second partition interval are arranged to form the second air duct.Multilayer first partition and multilayer
Second partition is able to ascend space utilization rate, and the second air duct between the first air duct between first partition and second partition also can be advantageous
It is flowed in gas.
In one of the embodiments, in an embodiment, the first circulation blower is set to the top of the first warehouse；Institute
State the top that second circulation blower is set to the second warehouse.The carrying and transfer for facilitating supporter, improve the first warehouse and
The utilization rate of second warehouse bottom and the convenience of operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of drying unit described in an embodiment；
Fig. 2 is the usage state diagram of drying unit described in an embodiment；
Fig. 3 is the usage state diagram of drying unit described in an embodiment；
Fig. 4 is the usage state diagram of drying unit described in an embodiment；
Fig. 5 is heat pump cycle loop diagram described in an embodiment；
Fig. 6 is heat pump cycle loop diagram described in an embodiment.
Description of symbols: 100, warehouse for drying, the 110, first warehouse, 111, first runner, the 120, second warehouse, 121,
Two runners, 130, ventilation opening, 140, drainage blower, 210, first circulation blower, 220, primary heater, 310, second circulation wind
Machine, 320, secondary heater, 410, heat exchanger, the 411, first air flue, the 412, second air flue, the 421, first condenser, 422,
Second condenser, the 423, first evaporator, the 424, second evaporator, 425, compressor, the 510, first supporter, the 511, first gas
Body circulation runner, the 512, first frame body, 513, first partition, the 514, first air duct, the 520, second supporter, 521, second gas
Circulatory flow, the 522, second frame body, 523, second partition, the 524, second air duct, the 610, first blower, the 620, second blower.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
As shown in connection with fig. 1, an embodiment provides a kind of drying unit, including warehouse for drying 100 and drainage blower 140, described
Mutually independent first warehouse 110 and the second warehouse 120 are equipped in warehouse for drying 100: first warehouse 110 is equipped with and is connected to first
First runner 111 inside and outside warehouse 110, first warehouse 110 is interior to be equipped with corresponding first circulation blower 210 and the first heating
Device 220, the first circulation blower 210 for making gas circulating flow in the first warehouse 110, use by the primary heater 220
Gas in the first warehouse 110 of heating；Second warehouse 120 is equipped with the second flow channel inside and outside the second warehouse 120 of connection
121, second warehouse 120 is interior to be equipped with corresponding second circulation blower 310 and secondary heater 320, the second circulation wind
Machine 310 is for making gas circulating flow in the second warehouse 120, and the secondary heater 320 is for heating in the second warehouse 120
Gas；Ventilation opening 130, the drainage blower 140 and ventilation opening 130 are equipped between first warehouse 110 and the second warehouse 120
It is correspondingly arranged.In conjunction with shown in Fig. 2 or Fig. 4, the first warehouse 110 and the second warehouse 120 dry warehouse and preheating warehouse each other, described
The first processing stage that warehouse is used for drying materials is preheated, the drying warehouse is used for the second processing stage of drying materials, institute
Drainage blower 140 is stated for draining warehouse for drying indoor gas in pre-heating cabin room.When the material in the first warehouse 110 is by
When one processing stage entered second processing stage, the material in the second warehouse 120 enters the first processing rank by second processing stage
Section；Material when the material in the first warehouse 110 entered for the first processing stage by second processing stage, in the second warehouse 120
Second processing stage is entered by the first processing stage.
Above-mentioned drying unit: it should be noted that the first above-mentioned processing stage is the early period of material dehumidifying, the first processing
Stage tentatively dehumidifies to material, and the gas humidity of the first processing stage is larger, and dehumidifying speed is fast.Above-mentioned second processing rank
Section is the later period of material dehumidifying, and second processing stage carries out depth dehumidifying to material, and the gas humidity of second processing stage is smaller,
The speed that dehumidifies is slow.Such as: when the first warehouse 110 is preheating warehouse, the second warehouse 120 is drying warehouse, in the second warehouse 120
Material be in oven-dried condition, the material in the first warehouse 110 is in the pre-heat treatment state, gas first from second flow channel 121 into
Enter the second warehouse 120, then the first warehouse 110 is entered by ventilation opening 130, flows out the first warehouse finally by first runner 111
110.The gas humidity in the first warehouse 110 is greater than the gas humidity in the second warehouse 120, the gas in the second warehouse 120 at this time
The body humidity of meeting due to helping reduce gas in the first warehouse 110 after entering the first warehouse 110.Simultaneously as from the second storehouse
The gas that room 120 enters in the first warehouse 110 has the characteristic of high temperature, low humidity, and the gas into the first warehouse 110 can heat
Material can also take away material moisture.After the completion of drying materials in the second warehouse 120, it is placed in the second warehouse 120 to be dried
Material, the first warehouse 110 of adjustment be that drying warehouse, the second warehouse 120 are preheating warehouse, make gas elder generation from first runner 111 into
Enter the first warehouse 110, then the second warehouse 120 is entered by ventilation opening 130, flows out the second warehouse finally by second flow channel 121
120.The gas humidity in the second warehouse 120 is greater than the gas humidity in the first warehouse 110, the gas in the first warehouse 110 at this time
The body humidity of meeting due to helping reduce gas in the second warehouse 120 after entering the second warehouse 120, simultaneously because from the first warehouse
110 gases entered in the second warehouse 120 have the characteristic of high temperature, low humidity, and the gas into the second warehouse 120 can heat object
Material can also take away material moisture.It should be noted that the first processing stage and the second processing rank of the material in the first warehouse 110
Duan Jun is completed in the first warehouse 110；Similarly, the first processing stage of the material in the second warehouse 120 and second processing rank
Duan Jun is completed in the second warehouse 120.The difference is that drainage blower 140 guides the direction of gas flowing to change.
That is, drainage blower 140 guides the flow direction of gas that can change, but invariably drainage blower 140 is will to dry
The dry indoor gas in storehouse is drained in pre-heating cabin room.In this way, can make to be less than using warehouse for drying indoor gas humidity
The characteristics of pre-heating cabin indoor gas humidity, accelerates the moisture evaporation of material in pre-heating cabin room using the small hot gas of humidity, this
Kind mode can improve the utilization rate of gas heat.Also gas band as much as possible can be made to leak water using gas enthalpy moisture performance simultaneously
Point, and then improve dehumidifying, drying efficiency.And since the first processing stage of material and second processing stage are in same warehouse
Interior completion so avoids heat bridges caused by storehouse door opening mobile material.And due to the first warehouse 110 and the second warehouse
120 dry warehouse and preheating warehouse each other, and the drying course of material can be continuously finished.
It should be noted that chooses draws since drainage blower 140 guides the flow direction of gas that can change herein
The drainage of positive and negative both direction may be implemented in flow fan 140.In other words, drainage blower 140 can pass through the positive and negative rotation of flabellum
Realize that the switching for draining wind direction, or drainage blower 140 can realize the switching for draining direction by rotating for complete machine.Specifically
In the present embodiment, drainage blower 140 realizes the switching of drainage wind direction by the positive and negative rotation of flabellum.
Specifically, in the present embodiment, drainage blower 140 is installed in ventilation opening 130.In other embodiments, it drains
Blower 140 can also be installed in the first warehouse 110 or the second warehouse 120, drainage blower 140 by with ventilation opening 130
Gas drainage is realized in connection.
As shown in connection with fig. 1, in an embodiment, the drying unit further includes heat exchanger 410, the heat exchanger
410 are equipped with mutually independent first air flue 411 and the second air flue 412, and one end of first air flue 411 is communicated with the atmosphere, the
The other end of one air flue 411 is connected to first runner 111, and one end of second air flue 412 is communicated with the atmosphere, the second air flue
412 other end is connected to second flow channel 121, and hot friendship can occur for the gas in first air flue 411 and the second air flue 412
It changes.The setting of heat exchanger 410 can flow through the first air flue 411 and heat exchange occurs for the gas of the second air flue 412, utilize outflow
Gas heats inflow gas, improves heat utilization ratio.
Specifically, in the present embodiment, above-mentioned heat exchanger 410 is gas gas-heat exchanger 410.
In conjunction with shown in Fig. 5 or Fig. 6, in an embodiment, the drying unit further includes being connected in heat pump cycle circuit
The first condenser 421, the second condenser 422, the first evaporator 423 and the second evaporator 424.In conjunction with shown in Fig. 1 or Fig. 2,
The outlet of first evaporator 423 and first runner 111 is correspondingly arranged, when 111 eluting gas of first runner, the first evaporation
Device 423 is used to absorb the heat of outflow 111 gas of first runner.In conjunction with shown in Fig. 1 or Fig. 3, second evaporator 424 and
The outlet of two runners 121 is correspondingly arranged, and when 121 eluting gas of second flow channel, the second evaporator 424 is for absorbing outflow second
The heat of 121 gas of runner.The first evaporator 423 and the second evaporator 424 being connected in heat pump cycle circuit can utilize
Refrigerant is become the exothermic process of liquid by gaseous state, is heated respectively to the gas in the first warehouse 110 and the second warehouse 120.
Refrigerant in circulation loop has stronger heat absorption capacity, and the first evaporator 423 and the second evaporator 424 can absorb outflow first
The heat of runner 111 or the gas of second flow channel 121, and then improve the utilization rate of heat.
In one embodiment, the heat pump cycle circuit includes the first circulation branch and second circulation branch to work independently
(not identifying in figure), first evaporator 423 are connected in first circulation branch, and second evaporator 424 is connected to
In two circulation branch roads, when 111 eluting gas of first runner, the work of the first evaporator 423, the second evaporator 424 stops working；When
121 eluting gas of second flow channel, the work of the second evaporator 424, the first evaporator 423 stop working.First evaporator 423 and
Two evaporators 424 are connected in first circulation branch and second circulation branch, by control respectively first circulation branch and
The two states that the first evaporator 423 and the second evaporator 424 work and stop working can be completed in second circulation branch.Pass through
Control to the first evaporator 423 and the second evaporator 424 can effectively utilize the first evaporator 423 and the second evaporator 424
Heat recovery is carried out to the gas of the first warehouse 110 of discharge and the second warehouse 120, while avoiding the first evaporator 423 and second
Evaporator 424 is absorbed into the heat of the gas of the first warehouse 110 and the second warehouse 120.
As shown in connection with fig. 5, in the present embodiment, above-mentioned first circulation branch and second circulation branch circuit parallel connection are in heat pump cycle
In circuit, the first evaporator 423 is connected in first circulation circuit, and the second evaporator 424 is connected in second circulation circuit, the
One condenser 421 and the second condenser 422 are connected in parallel in heat pump cycle circuit, further include compressor 425 in heat pump cycle circuit,
The flowing of refrigerant in heat pump cycle circuit is controlled by compressor 425.
As shown in connection with fig. 6, in other embodiments, above-mentioned first circulation branch and second circulation branch circuit parallel connection are followed in heat pump
In loop back path, the first evaporator 423 is connected in first circulation circuit, and the second evaporator 424 is connected in second circulation circuit,
First condenser 421 and the second condenser 422 are connected in heat pump cycle circuit, further include compressor in heat pump cycle circuit
425, the flowing of refrigerant in heat pump cycle circuit is controlled by compressor 425.
It should be noted that Fig. 5 and Fig. 6 are schematic diagrames, that is to say, that it is merely to illustrate the first condenser 421,
Connection relationship between two condensers 422, the first evaporator 423, the second evaporator 424 and compressor 425.Above-mentioned heat pump follows
Should also there be device necessary to other heat pump cycle circuits in loop back path.
As shown in connection with fig. 1, specifically, in the present embodiment, first condenser 421 is the primary heater 220；
Second condenser 422 is the secondary heater 320, and structure is simple, takes full advantage of the thermal cycle of heat pump circulating system
Performance.
In one embodiment, in conjunction with shown in Fig. 2 or Fig. 4, the gas of the warehouse for drying indoor moveable is in drainage 140 entrance of blower
The flow direction at place is identical as the drainage drainage wind direction of blower 140, and the gas of 100 internal circulation flow of warehouse for drying is in drainage wind
The flow direction in 140 exit of machine is identical as the drainage drainage direction of blower 140.Drainage blower 140 is along drying warehouse and in advance
The flow direction guidance gas of hot storehouse indoor gas flows between drying warehouse and preheating warehouse, can so reduce drainage blower
The resistance of 140 guidance gas flowings, enables drainage blower 140 smoothly gas to be guided to flow, reduces drying warehouse and preheating
Occurs the phenomenon of turbulent flow in warehouse.
Specifically, it is illustrated in conjunction with Fig. 4: the gas left-hand circular flowing in the first warehouse 110, the second warehouse 120
Interior gas left-hand circular flowing, drainage blower 140 are used to the gas in the first warehouse 110 being drained to the second warehouse 120
Interior, ventilation opening 130 is connected to the bottom of the first warehouse 110 and the second warehouse 120, and the gas of 110 bottom of the first warehouse is by leaning on
The direction of nearly second warehouse 120 is flowed and takes advantage of a situation and flow into the entrance of drainage blower 140, and the gas into the second warehouse 120 can be with
The gas of second warehouse, 120 bottom is flowed to the direction far from the first warehouse 110 together.
It should be noted that the equal up time recycle stream of gas similarly in Fig. 3, in the first warehouse 110 and the second warehouse 120
It is dynamic.But the drainage blower 140 of 100 bottom of warehouse for drying is now placed in for draining the gas in the second warehouse 120 into the first storehouse
In room 110.
It is further to note that when gas circulation is as shown in Figure 4, if the connection of ventilation opening 130 is the first warehouse 110
With the top of the second warehouse 120, then draining blower 140 can be used for draining the gas in the second warehouse 120 into the first warehouse 110
In.And gas circulation it is as shown in Figure 3 when, if ventilation opening 130 be connected to be the first warehouse 110 and the second warehouse 120 top
Portion, then draining blower 140 can be used for draining the gas in the first warehouse 110 in second warehouse 120.
In conjunction with shown in Fig. 1, Fig. 2 or Fig. 3, in an embodiment, the connection of first runner 111 first warehouse 110 is far from logical
The side in air port 130；The second flow channel 121 is connected to the first side of the warehouse 110 far from ventilation opening 130.111 He of first runner
The flow path that can increase inflow gas that is oppositely arranged of second flow channel 121 and ventilation opening 130, raising gas and material connect
Duration is touched, effect on moisture extraction is promoted.
As shown in connection with fig. 1, in an embodiment, the drying unit further includes the first supporter 510 and the second supporter
520；First supporter 510, first supporter 510 are set in the first warehouse 110, first supporter 510
First gas circulatory flow 511 is formed with the locular wall interval of the first warehouse 110；Second supporter 520, second glove
Frame 520 is set in the second warehouse 120, and the locular wall interval of second supporter 520 and the second warehouse 120 forms second gas
Circulatory flow 521.First supporter 510 and the second supporter 520 can be conducive to be laid with expansion material, improve material and gas
Contact area is improved effect on moisture extraction, while can be mentioned using first gas circulatory flow 511 and second gas circulatory flow 521
The patency of gas flowing is risen, and then guarantees effect on moisture extraction.
As shown in connection with fig. 1, in an embodiment, first supporter 510 includes the first frame body 512 and is set to first
Multilayer first partition 513 on body 512, the setting of the adjacent interval of first partition 513 form the first air duct 514；Second glove
Frame 520 includes the second frame body 522 and the multilayer second partition 523 that is set on the second frame body 522, between adjacent second partition 523
The second air duct 524 is formed every setting.Multilayer first partition 513 and multilayer second partition 523 are able to ascend space utilization rate, and first
The second air duct 524 between the first air duct 514 between partition 513 and second partition 523 can also be conducive to gas flowing.
As shown in connection with fig. 1, in an embodiment, the first circulation blower 210 is set to the top of the first warehouse 110；Institute
State the top that second circulation blower 310 is set to the second warehouse 120.The carrying and transfer for facilitating supporter, improve first
The utilization rate of 120 bottom of warehouse 110 and the second warehouse and the convenience of operation.
Specifically, in an embodiment, drying unit further includes the first blower 610 and the second blower 620, first blower
610 are correspondingly arranged with first runner 111, and the first blower 610 is used to guarantee to flow through the gas flow rate of first runner 111, and described the
Two blowers 620 are correspondingly arranged with second flow channel 121, and the second blower 620 is used to guarantee the gas flow rate of second flow channel 121.It needs
Illustrate, first runner 111 and second flow channel 121 may flow into, eluting gas.It is preferred that the first blower 610 and second
Blower 620 can positive and negative rotation, first runner 111 and second are realized by the positive and negative rotation of the first blower 610 and the second blower 620
The switching of gas flow direction in road 121.
In one embodiment, above-mentioned warehouse for drying 100 is made of heat preservation material, can so be reduced heat and be distributed.Specifically,
In the present embodiment, insulating layer is pasted on the inner wall of first warehouse 110 and the second warehouse 120.
Illustrate the working principle of above-mentioned drying unit below with reference to Fig. 2, Fig. 3 and Fig. 4:
According to drying unit is arranged shown in Fig. 2 at the beginning of use, the first warehouse 110 is vacant, the second warehouse 120 for place to
The material of preheating, using secondary heater 320, second circulation blower 310 and drainage blower 140 to the object in the second warehouse 120
Material carries out the processing of the first processing stage.It should be noted that the primary heater 220 in the first warehouse 110, first circulation at this time
Blower 210, which may be at working condition, also may be at off working state.In other words, primary heater 220 and first circulation wind
Machine 210 is in working condition；Or primary heater 220 is in running order, first circulation blower 210 is in inoperative shape
State；Or primary heater 220 is in running order, first circulation blower 210 is in off working state；Or first circulation blower
210 is in running order, and primary heater 220 is in off working state；Or primary heater 220 and first circulation blower 210
It is in off working state.
Further, it after the material in the second warehouse 120 completed for the first processing stage, is added into the first warehouse 110
To preheating material, according to drying unit is arranged shown in Fig. 3.By make first circulation blower 210, second circulation blower 310 according to
Diagram recycles the gas in the first warehouse 110 and the second warehouse 120 respectively, changes the drainage direction of drainage blower 140；Make first
Warehouse 110 becomes preheating warehouse, the second warehouse 120 becomes drying warehouse, and the material in the first warehouse 110 enters the first processing rank
Section, the material in the second warehouse 120 enters second processing stage.
Still further, being taken out in the second warehouse 120 after the material in the second warehouse 120 completes second processing stage
Material drying and material to be preheated is added into the second warehouse 120, according to drying unit is arranged shown in Fig. 4.By making
One circulating fan 210, second circulation blower 310 recycle the gas in the first warehouse 110 and the second warehouse 120 respectively as illustrated
Body changes the drainage direction of drainage blower 140；The first warehouse 110 is set to become drying warehouse, the second warehouse 120 as pre-heating cabin
Room, the material in the first warehouse 110 enter second processing stage, and the material in the second warehouse 120 enters second processing stage.
It should be noted that the specific division in drying course between the first processing stage and second processing stage can have
Several division modes can be determined with the drying time period in stoving process, can also be determined according to the loss of weight situation of material.
When dividing the first processing stage and second processing stage according to drying time period as, drying time period can be regarded to one
The period is dried, the first processing stage and second processing stage can be divided in the drying period according to moisture in material.It needs to illustrate
, upper it is preferred that keeping the duration of the first processing stage and second processing stage equal dividing.Certainly at practical drying
In reason, may because of drying at the beginning of material moisture difference and influence the duration of the first processing stage and second processing stage
Difference.
When dividing the first processing stage and second processing stage according to loss of weight situation, material loss of weight time-consuming can be regarded as
One loss of weight period can divide the first processing stage and the according to loss of weight change curve of the moisture in material within the drying period
Two processing stages.It should be noted that upper it is preferred that making the when appearance of the first processing stage and second processing stage dividing
Deng.Certainly in practical drying and processing, may because of drying at the beginning of material moisture difference and influenced for the first processing stage
With the duration of second processing stage difference.
It is to be understood that above two difference is, divided at the first processing stage and second according to drying time period
The mode in reason stage is mainly carried out according to the result of study of stoving process.That is, experiential drying time period
To judge.The mode of the first processing stage and second processing stage is divided according to loss of weight situation mainly according to material loss of weight
What test data was come.That is, being judged by the loss of weight data for measuring material.
It should be noted that can regulate and control to adjust the duration of the first processing stage and second processing stage into
The cold medium flux of one condenser 421 and the second condenser 422.
Specifically, flow control valve (not shown) can be set in heat pump cycle circuit, pass through flow control valve
Regulation distribution flows into the cold medium flux of the first condenser 421 and the second condenser 422.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of drying unit, which is characterized in that including warehouse for drying and drainage blower, be equipped in the warehouse for drying mutually independent
First warehouse and the second warehouse；
First warehouse is equipped with the first runner inside and outside the first warehouse of connection, is equipped with corresponding first in first warehouse and follows
Ring blower and primary heater, the first circulation blower is for making gas circulating flow in the first warehouse, first heating
Device is for heating the indoor gas in the first storehouse；
Second warehouse is equipped with the second flow channel inside and outside the second warehouse of connection, is equipped with corresponding second in second warehouse and follows
Ring blower and secondary heater, the second circulation blower is for making gas circulating flow in the second warehouse, second heating
Device is for heating the indoor gas in the second storehouse；
Ventilation opening is equipped between first warehouse and the second warehouse, the drainage blower is correspondingly arranged with ventilation opening；
First warehouse and the second warehouse dry warehouse and preheating warehouse each other, and the preheating warehouse is used at the first of drying materials
Reason stage, the drying warehouse are used for the second processing stage of drying materials, and the drainage blower is used for warehouse for drying is indoor
Gas drains in pre-heating cabin room；
When the first storehouse, indoor material enters second processing stage by the first processing stage, the indoor material in the second storehouse is by second
Processing stage entered for the first processing stage；
When the indoor material in the first storehouse entered for the first processing stage by second processing stage, the indoor material in the second storehouse is by first
Processing stage enters second processing stage.
2. drying unit according to claim 1, which is characterized in that further include heat exchanger, the heat exchanger is equipped with
One end of mutually independent first air flue and the second air flue, first air flue is communicated with the atmosphere, the other end of the first air flue with
First runner connection, one end of second air flue are communicated with the atmosphere, and the other end of the second air flue is connected to second flow channel, described
Heat exchange can occur for the gas in the first air flue and the second air flue.
3. drying unit according to claim 2, which is characterized in that further include first be connected in heat pump cycle circuit
Condenser, the second condenser, the first evaporator and the second evaporator；
The outlet of first evaporator and first runner is correspondingly arranged, and when first runner eluting gas, the first evaporator is used
In the heat for absorbing outflow first runner gas；
The outlet of second evaporator and second flow channel is correspondingly arranged, and when second flow channel eluting gas, the second evaporator is used
In the heat for absorbing outflow second flow channel gas.
4. drying unit according to claim 3, which is characterized in that the first circulation branch and second including autonomous working
Circulation branch road, first evaporator are connected in first circulation branch, and second evaporator is connected to second circulation branch
In, when first runner eluting gas, the first evaporator operation, the second evaporator stops operation；When second flow channel eluting gas,
Two evaporator operations, the first evaporator stops operation.
5. drying unit according to claim 3, which is characterized in that first condenser is the primary heater；
Second condenser is the secondary heater.
6. drying unit according to claim 5, which is characterized in that the gas of the warehouse for drying indoor moveable is in drainage wind
The flow direction of machine inlet is identical as the drainage drainage wind direction of blower, and the gas of the warehouse for drying internal circulation flow is in drainage wind
The flow direction in machine exit is identical as the drainage drainage direction of blower.
7. drying unit according to claim 6, which is characterized in that the first runner is connected to the first warehouse far from ventilation
The side of mouth；The second flow channel is connected to side of first warehouse far from ventilation opening.
8. drying unit according to claim 1-7, which is characterized in that further include that the first supporter and second are set
Rack；
First supporter, first supporter are set in the first warehouse, first supporter and the first warehouse
Locular wall interval forms first gas circulatory flow；
Second supporter, second supporter are set in the second warehouse, second supporter and the second warehouse
Locular wall interval forms second gas circulatory flow.
9. drying unit according to claim 8, which is characterized in that first supporter includes the first frame body and setting
In the multilayer first partition on the first frame body, adjacent first partition interval is arranged to form the first air duct；
Second supporter includes the second frame body and the multilayer second partition being set on the second frame body, between adjacent second partition
The second air duct is formed every setting.
10. drying unit according to claim 8, which is characterized in that the first circulation blower is set to the first warehouse
Top；The second circulation blower is set to the top of the second warehouse.
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|---|---|---|---|
| CN201811137811.0A CN109059461B (en) | 2018-09-27 | 2018-09-27 | Drying device |
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|---|---|---|---|
| CN201811137811.0A CN109059461B (en) | 2018-09-27 | 2018-09-27 | Drying device |
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| CN109059461B CN109059461B (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207570A (en) * | 2020-03-31 | 2020-05-29 | 郑州轻工业大学 | Energy-saving heat pump drying system and control method thereof |
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| CN204987674U (en) * | 2015-07-21 | 2016-01-20 | 福建永淦节能科技有限公司 | Energy -efficient laver drying -machine |
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| CN109059461B (en) | 2020-11-13 |
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