CN208567471U - Analysis of Heat Pump Drying System - Google Patents
Analysis of Heat Pump Drying System Download PDFInfo
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- CN208567471U CN208567471U CN201820858569.5U CN201820858569U CN208567471U CN 208567471 U CN208567471 U CN 208567471U CN 201820858569 U CN201820858569 U CN 201820858569U CN 208567471 U CN208567471 U CN 208567471U
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Abstract
The utility model belongs to desiccant dehumidification technical field, a kind of Analysis of Heat Pump Drying System is provided, including heat pump unit, first air-valve, second air-valve, fresh flue, air inlet duct, exhaust passage and drying tower for placing material to be dried, heat pump unit includes the condenser and evaporator for being interconnected to form circulation loop, multiple condensers are mounted at the air intake vent of air inlet duct, the air outlet of air inlet duct and the air intake vent of exhaust passage are connected with drying tower respectively, exhaust passage is connected to by the installation of the first air-valve with external environment, exhaust passage is connected to by the second air-valve with the air intake of evaporator, fresh flue is connected with the air intake vent of evaporator.There are three kinds of various forms of fit systems between the first air-valve and the second air-valve in the utility model, it can make heat pump unit efficient operation under different environment temperatures, the waste heat of drying tower discharge can also be recycled additionally by the second air-valve and evaporator, energy utilization rate is high.
Description
Technical field
The utility model embodiment is related to desiccant dehumidification technical field more particularly to a kind of Analysis of Heat Pump Drying System.
Background technique
Heat pump techniques are the new energy technologies being concerned in recent years by the heat energy transfer of low level heat energy to high-order heat source,
It is widely used in grain drying field.Existing Analysis of Heat Pump Drying System realizes cooling be situated between by the heat that external superheated steam provides
The circulation of matter, air enter dry heat pump by overheating wherein via heat pump unit, are easy to produce high humidity in grain storing process
Air causes grain to go mouldy, and the grain drying in some areas continues from June to November, and time span is big, entire to store
Period variation of ambient temperature is larger, and existing Analysis of Heat Pump Drying System realizes cooling medium by the heat that external superheated steam provides
Circulation, wherein the range of temperature of superheated steam is limited, causes heat pump that can only play drying within the scope of limited temperature
Effect can not still keep efficient operation in so wide temperature range.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of Analysis of Heat Pump Drying System, and efficient work is remained in wider temperature range
Make.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of Analysis of Heat Pump Drying System, including heat pump unit, first
Air-valve, the second air-valve, fresh flue, air inlet duct, exhaust passage and the drying tower for placing material to be dried, the heat pump unit packet
The condenser and evaporator for being interconnected to form circulation loop are included, multiple condensers are mounted on the air intake vent of the air inlet duct
The air intake vent of place, the air outlet of the air inlet duct and the exhaust passage is connected with the drying tower respectively, and the exhaust passage is logical
It crosses first air-valve installation be connected to external environment, what the exhaust passage passed through second air-valve and the evaporator enters gas
Mouth connection, the fresh flue is connected with the air intake vent of the evaporator.
Further, the heat pump unit further includes the first blower for being mounted on the evaporator side, first wind
Machine is two-way blower fan.
Further, the air outlet of the condenser is equipped with the second blower, for blasting air into the air inlet duct.
Further, dirt pocket is provided in the exhaust passage, the air of the drying tower discharge is via the dedusting
It is discharged behind room from first air-valve or second air-valve.
Further, the Analysis of Heat Pump Drying System further includes control device, and the control device is for controlling the heat pump
Unit, first air-valve and second air-valve.
Further, the heat pump unit has multistage, and the condenser in the multistage heat pump unit is serially connected shape
At condenser group, the evaporator in the multistage heat pump unit is interconnected to form evaporator group, and the evaporator group has
Two kinds of working conditions of paralleling model and series model, the air outlet of the condenser group are connected to the air intake vent of the air inlet duct,
The air intake of the evaporator group is connected to by second air-valve with the exhaust passage.
Further, the air intake vent of the condenser group is connected to the air outlet of the evaporator group.
Further, it is joined end to end between multiple evaporators in the evaporator group by ventilation shaft, in institute
Ventilation shaft is stated equipped with exhaust outlet, third air-valve is installed in the exhaust ports.
(3) beneficial effect
In Analysis of Heat Pump Drying System provided by the utility model, there are three kinds of different forms between the first air-valve and the second air-valve
Fit system, the constituent of air entered in evaporator under these three fit systems is different, according to ring where material to be dried
Actual conditions at border select different fit systems, make heat pump unit efficient operation under different environment temperatures, in addition lead to
The waste heat of drying tower discharge can also be recycled by crossing the second air-valve and evaporator, and energy utilization rate is high.
Detailed description of the invention
Fig. 1 is a kind of first working state schematic representation of Analysis of Heat Pump Drying System provided by the embodiment of the utility model;
Fig. 2 is the second working state schematic representation of Analysis of Heat Pump Drying System shown in FIG. 1;
Fig. 3 is the third working state schematic representation of Analysis of Heat Pump Drying System shown in FIG. 1.
In figure: 1, heat pump unit;11, condenser;12, evaporator;13, the first blower;14, the second blower;15, it evaporates
Room;2, air inlet duct;3, drying tower;4, exhaust passage;5, the first air-valve;6, the second air-valve;7, fresh flue;8, third air-valve;9,
Four air-valves;10, dirt pocket.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1-3, a kind of Analysis of Heat Pump Drying System provided by the embodiment of the utility model, including heat pump unit 1, air inlet
Road 2, the drying tower 3 for placing material to be dried, exhaust passage 4, the first air-valve 5, the second air-valve 6 and fresh flue 7.Wherein, hot
Pump assembly 1 includes the condenser 11 and evaporator 12 for being interconnected to form circulation loop, and cooling medium is flowed along the circulation loop,
Carry out the transmitting of heat.Air inlet duct 2 is connected with drying tower 3 respectively with exhaust passage 4.Specifically, condenser 11 is mounted on air inlet
The air outlet of the air inlet in road 2, air inlet duct 2 is connected with drying tower 3, and air is dry via entering after condenser 11 along air inlet duct 2
Dry tower 3.The air inlet of exhaust passage 4 is connected with drying tower 3, and air outlet is connected to by the first air-valve 5 with external environment, outlet air
It is also equipped with the second air-valve 6 on road 4, is connected by the second air-valve 6 with the air intake vent of evaporator 12.Fresh flue 7 and evaporator
12 entrance is connected.
According to the different folding conditions of the first air-valve 5 and the second air-valve 6, the damp-heat air in drying tower 3 is along exhaust passage 4
Drain into different places.When the first air-valve 5 is opened, and the second air-valve 6 is closed, damp-heat air is all discharged to from the first air-valve 5 outer
In portion's environment, the air being passed through in evaporator 12 is only the fresh air entered from fresh flue 7.When the first air-valve 5 and the second air-valve 6
When opening, a part in damp-heat air drains into external environment through the first air-valve 5, a part through the second air-valve 6 with from fresh air
Enter evaporator 12 after the fresh air mixing that road 7 enters.When the first air-valve 5 is closed, and the second air-valve 6 is opened, damp-heat air is whole
Enter evaporator 12 through the second air-valve 6, while there are also the fresh airs entered from fresh flue 7 for the air being passed through in evaporator 12.
Therefore first there are three kinds of various forms of fit systems between air-valve 5 and the second air-valve 6, at these three
The constituent of air entered in evaporator 12 under fit system is different, and the efficiency of 12 thermal transition of evaporator is different.According to object to be dried
Actual conditions where material at environment, select different fit systems, transport heat pump unit 1 efficiently under different environment temperatures
Row.Whole system recycles the waste heat that drying tower 3 is discharged by the second air-valve 6 and evaporator 12, and energy utilization rate is high.
It is equipped with the first blower 13 in the side of evaporator 12, which is two-way blower fan, can not only be rotated forward but also can
With reversion.Specifically, the first blower 13 may be mounted at the air intake vent of evaporator 12, for blasting air into evaporator 12,
Also it may be mounted at the air outlet of evaporator 12, improve the expulsion efficiency of air in evaporator 12.In the air outlet of condenser 11
Place is equipped with the second blower 14, and the air for will be discharged out of condenser 11 is sent into air inlet duct 2.
The air being discharged in drying tower 3 may be containing granular impurity such as micronic dusts, therefore dedusting is equipped in exhaust passage 4
Room 10, the interior air being discharged of drying tower 3 are discharged via after 10 dedusting of dirt pocket from the first air-valve 5 or the second air-valve 6.
In order to realize the automatic running of whole system, which further includes control device, for controlling heat pump
The running of unit 1 and the folding of the first air-valve 5 and the second air-valve 6.Specifically, which can control the first blower 13
Steering and start and stop, and control the start and stop of the second blower 14.
For the overall efficiency for improving Analysis of Heat Pump Drying System, multiple heat pump units 1 are set in Analysis of Heat Pump Drying System.Such as Fig. 1
Shown, the utility model embodiment is set altogether there are three heat pump unit 1.Each heat pump unit 1 includes condenser 11, throttling
Valve, evaporator 12 and compressor, condenser 11, throttle valve, evaporator 12 and compressor are sequentially connected to form circulation by pipeline
Circuit.It is independent between each heat pump unit 1.Wherein, 11 longitudinal arrangement of condenser in multiple heat pump units 1 is mutually gone here and there
Connection forms condenser group, and outside air enters in air inlet duct 2 sequentially through multiple condensers 11.It is equipped in each evaporator 12
Vaporization chamber 15, fresh flue 7 are connected with vaporization chamber 15, are 12 heat supply of evaporator to be passed through fresh air into vaporization chamber 15.
Vaporization chamber 15 in two neighboring evaporator 12 is connected by the 4th air-valve 9.When the 4th air-valve 9 is opened, only pass through one
Fresh flue 7 can supply fresh air simultaneously for multiple evaporators 12.It is joined end to end shape between multiple evaporators 12 by ventilation shaft
At evaporator group, the vaporization chamber 15 positioned at the evaporator 12 of evaporator group first place is connected to by the second air-valve 6 with exhaust passage 4.?
Third air-valve 8 is installed on ventilation shaft, drains into external environment via third air-valve 8 through treated the air of evaporator 12.
When the second air-valve 6 is in close state, each evaporator 12 is worked independently from each other, and paralleling model is in, via steaming
The air that hair device 12 is handled drains into external environment from third air-valve 8.When the second air-valve 6 is in the open state, from exhaust passage 4
It the air of discharge and is mixed from the fresh air that fresh flue 7 is discharged into, then sequentially flows through and be discharged to external rings after multiple evaporators 12
In border or enter condenser group, is at this time in series model between multiple evaporators 12.According to except wet temp and moisture removal not
Together, the folding condition of the first air-valve 5 and the second air-valve 6 is adjusted, to select different 12 operating modes of evaporator, improves heat pump
The task performance of unit 1.
In order to realize recycling for air, positioned at the air outlet and condenser group of the evaporator 12 of evaporator group last bit
Air intake vent is connected by pipeline.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of Analysis of Heat Pump Drying System, which is characterized in that including heat pump unit, the first air-valve, the second air-valve, fresh flue, air inlet
Road, exhaust passage and the drying tower for placing material to be dried, the heat pump unit include being interconnected to form circulation loop
Condenser and evaporator, multiple condensers are mounted at the air intake vent of the air inlet duct, the air outlet of the air inlet duct and
The air intake vent of the exhaust passage is connected with the drying tower respectively, and the exhaust passage passes through first air-valve installation and outside
Environmental communication, the exhaust passage are connected to by second air-valve with the air intake of the evaporator, the fresh flue with it is described
The air intake vent of evaporator is connected.
2. Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the heat pump unit further include be mounted on it is described
First blower of evaporator side, first blower are two-way blower fan.
3. Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the air outlet of the condenser is equipped with second
Blower, for blasting air into the air inlet duct.
4. Analysis of Heat Pump Drying System according to claim 1, which is characterized in that it is provided with dirt pocket in the exhaust passage,
The air of the drying tower discharge is discharged via after the dirt pocket from first air-valve or second air-valve.
5. Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the Analysis of Heat Pump Drying System further includes control dress
It sets, the control device is for controlling the heat pump unit, first air-valve and second air-valve.
6. Analysis of Heat Pump Drying System according to claim 1-5, which is characterized in that the heat pump unit has multistage,
The condenser in the multistage heat pump unit is serially connected to form condenser group, the steaming in the multistage heat pump unit
Hair device is interconnected to form evaporator group, and the evaporator group has two kinds of working conditions of paralleling model and series model, described cold
The air outlet of condenser group is connected to the air intake vent of the air inlet duct, the air intake of the evaporator group by second air-valve with
The exhaust passage connection.
7. Analysis of Heat Pump Drying System according to claim 6, which is characterized in that the air intake vent of the condenser group and the steaming
Send out the air outlet connection of device group.
8. Analysis of Heat Pump Drying System according to claim 6, which is characterized in that multiple evaporations in the evaporator group
It is joined end to end between device by ventilation shaft, exhaust outlet is equipped on the ventilation shaft, third is installed in the exhaust ports
Air-valve.
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CN201820858569.5U CN208567471U (en) | 2018-06-04 | 2018-06-04 | Analysis of Heat Pump Drying System |
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CN201820858569.5U CN208567471U (en) | 2018-06-04 | 2018-06-04 | Analysis of Heat Pump Drying System |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113154848A (en) * | 2021-03-19 | 2021-07-23 | 贵州九鼎新能源科技开发有限公司 | Integral type air energy heat pump drying equipment with internal circulation, staged heating, constant-temperature air outlet, heat recovery and multistage utilization functions |
-
2018
- 2018-06-04 CN CN201820858569.5U patent/CN208567471U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113154848A (en) * | 2021-03-19 | 2021-07-23 | 贵州九鼎新能源科技开发有限公司 | Integral type air energy heat pump drying equipment with internal circulation, staged heating, constant-temperature air outlet, heat recovery and multistage utilization functions |
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