CN109974437A - A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System - Google Patents
A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System Download PDFInfo
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- CN109974437A CN109974437A CN201910223455.2A CN201910223455A CN109974437A CN 109974437 A CN109974437 A CN 109974437A CN 201910223455 A CN201910223455 A CN 201910223455A CN 109974437 A CN109974437 A CN 109974437A
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- Prior art keywords
- heat
- phase
- pipeline
- transition
- heat pump
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
- F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
- F26B23/005—Heating arrangements using waste heat recovered from dryer exhaust gases using a closed cycle heat pump system ; using a heat pipe system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System, including heat pump drying component, solar energy phase transition dry component, hothouse and controller, wherein, the cooperation of the drying air duct of the heat pump drying component and hothouse carries out heat exchange to make thermal energy conveying and waste heat recovery processing to hothouse, wherein, the solar energy phase transition dry component has the function of phase-transition heat-storage and the thermal energy heat stored can be transferred to heat pump drying component, the solar energy phase transition dry component includes the illuminance sensor for incuding outdoor environment illuminance, the temperature sensor I of accumulation of heat energy temperature value and the temperature sensor II for detecting the heat energy carrier flow path temperature value after heat is transmitted for detecting, solar energy phase transition dry component is accordingly set to make heat transmitting or phase-transition heat-storage function by the on-off movement of electromagnetic valve for adjusting II.
Description
Technical field
The present invention relates to heat pump drying technology fields, more particularly, to a kind of phase-transition heat-storage coupled solar heat pump drying system
System.
Background technique
In recent years, as demand of the society to dry technology increasingly increases, in the drying process consumed by energy
Rapidly increasing.Traditional Hot Air Drying needs to consume a large amount of fossil energy, and there are a large amount of wastes, inefficient
Disadvantage, data show that China's energy consumption for drying occupies 35% or more of China's industrial energy consumption, and the efficiency of domestic dry materials is only 40%
~50%.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System, solves
There are highly energy-consumings, poor efficiency for existing coal-fired, fuel oil Hot Air Drying, and need a large amount of fossil energy, thermal loss
The problems such as larger.
To achieve the above object, scheme provided by the invention are as follows: a kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System,
Including heat pump drying component, solar energy phase transition dry component, hothouse and controller, wherein the heat pump drying component and dry
The drying air duct cooperation of dry room carries out heat exchange to make thermal energy conveying and waste heat recovery processing, the solar energy phase transition to hothouse
Dry component and heat pump drying component pass through pipeline connection, wherein the solar energy phase transition dry component has phase-transition heat-storage function
Can and the thermal energy heat stored can be transferred to heat pump drying component, the solar energy phase transition dry component includes for incuding room
The illuminance sensor of ambient light illumination, the temperature sensor I of accumulation of heat energy temperature value and for detecting hot biography for detecting
The temperature sensor II of heat energy carrier flow path temperature value after passing, wherein the illuminance sensing, temperature sensor I and temperature
Sensor II is connect with the input terminal of controller respectively, the solenoid valve II of solar energy phase transition dry component, heat pump drying component
Solenoid valve I and compressor are connect with the output end of controller respectively, wherein are acted by the on-off of electromagnetic valve for adjusting II corresponding
Solar energy phase transition dry component is set to make heat transmitting or phase-transition heat-storage function.
Further, the dry air duct includes heating air duct and waste heat recycling air duct.
Further, the heat pump drying component, including compressor, condenser, evaporator, solenoid valve I, the outlet of compressor
By the inlet communication of the first pipeline and condenser, by the second pipeline connection, the second pipeline passes through third for the outlet of condenser
The inlet communication of pipeline and evaporator, solenoid valve I are located on third pipeline, the 4th pipeline of outlet of evaporator and compressor
Inlet communication；And condenser is located in heating air duct to air heating in heating air duct, evaporator is located in waste heat recycling air duct
Recovery waste heat recycles air waste heat in air duct.
Further, the solar energy phase transition dry component, including solar thermal collector, phase change heat storage tank, II and of solenoid valve
Illuminance sensor, the first inlet communication of outlet the 5th pipeline and phase change heat storage tank of solar thermal collector, the 5th pipeline
It is equipped with temperature sensor I, becomes heat storage tank and is equipped with temperature sensor II；The first outlet of phase change heat storage tank through the 6th pipeline with
The inlet communication of solar thermal collector；Second import of phase change heat storage tank is through the 7th pipeline and the second pipeline connection；Solenoid valve II
It is located on the 7th pipeline；Inlet communication of the second outlet of phase change heat storage tank through the 8th pipeline and evaporator.
Further, the heat pump drying component includes throttle valve I, wherein the throttle valve I is located on third pipeline.
Further, the solar energy phase transition dry component includes throttle valve II, wherein the stream valve II is located at the 7th pipeline
On.
Compared with the prior art, the beneficial effect of the present invention is that air enters from heating air duct, it is heated at condenser, so
It is sent into hothouse afterwards, removing is dried to the indoor moisture of drying.Wind in hothouse after heat exchange recycles wind from waste heat
Road comes out, and exchanges heat with evaporator, carries out UTILIZATION OF VESIDUAL HEAT IN to outlet air, further decreases the energy consumption of whole system；Moreover, adopting
Additional low-temperature heat source is provided for heat pump drying component with solar energy phase transition dry component, so that whole system energy consumption is lower.This
Inventing do not use is clean energy resource, pollution-free and can reuse, and it is high-efficient that low energy consumption.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is control principle block diagram of the invention.
Wherein, 1- compressor, 2- condenser, 3- evaporator, 4- solenoid valve I, 5- throttle valve I, the first pipeline of 6-, 7- second
Pipeline, 8- third pipeline, the 4th pipeline of 9-, 10- heating air duct, 11- waste heat recycle air duct, 12- solar thermal collector, 13- phase
Become heat storage tank, 14- throttle valve II, 15- solenoid valve II, the 5th pipeline of 16-, the first import of 17-, the 6th pipeline of 19-, 20- second
Import, the 7th pipeline of 21-, 23- temperature sensor II, 24- second outlet, the 8th pipeline of 25-.
Specific embodiment
The present invention is further explained in the light of specific embodiments:
As shown in attached drawing 1-2, a kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System, including heat pump drying component, solar energy
Phase transformation dry component, hothouse and controller, wherein the drying air duct of hothouse includes heating air duct 10 and waste heat recycling air duct
11。
In the present embodiment, the cooperation of the drying air duct of heat pump drying component and hothouse carries out heat exchange to make to hothouse
Thermal energy conveying and waste heat recovery processing, that is, the heat releasing source (condenser 2 for being equivalent to the present embodiment) of heat pump drying component, which is set to, to be added
Make thermal energy transport process at hot-flow flue 10, the heat sink (evaporator 3 for being equivalent to the present embodiment) of heat pump drying component is set to remaining
Make thermal energy recovery processing at recuperation of heat air duct 11.
In the present embodiment, solar energy phase transition dry component and heat pump drying component pass through pipeline connection, wherein solar energy
Phase transformation dry component has the function of phase-transition heat-storage and the thermal energy heat stored can be transferred to heat pump drying component, to reach the sun
Energy phase transformation dry component provides the effect of additional low-temperature heat source for heat pump drying component, so that whole system energy consumption is lower.
In the present embodiment, solar energy phase transition dry component includes passing for incuding the illuminance of outdoor environment intensity of illumination
Sensor, for detecting the temperature sensor I 22 of accumulation of heat energy temperature value and for detect heat transmitting after heat energy carrier flow path temperature
The temperature sensor II 23 of angle value, wherein illuminance sensing, temperature sensor I 22 and temperature sensor II 23 respectively with control
The input terminal of device connects, the solenoid valve II 15 of solar energy phase transition dry component, the solenoid valve I 4 of heat pump drying component and compressor 1
It is connect respectively with the output end of controller, wherein solar energy phase transition is accordingly made by the on-off movement of electromagnetic valve for adjusting II 15
Dry component makees heat transmitting or phase-transition heat-storage function.
In order to make it easy to understand, the heat pump drying component of the present embodiment includes compressor 1, condenser 2, evaporator 3, solenoid valve
I 4, throttle valve I 5, by the inlet communication of the first pipeline 6 and condenser 2, the outlet of condenser 2 passes through for the outlet of compressor 1
The connection of two pipelines 7, the second pipeline 7 pass through the inlet communication of third pipeline 8 and evaporator 3, and solenoid valve is equipped on third pipeline 8
I 4 and throttle valve I 5, the inlet communication of outlet the 4th pipeline 9 and compressor 1 of evaporator 3；And condenser 2 is located at heating wind
To air heating in heating air duct 10 in road 10, evaporator 3 is located in waste heat recycling air duct 11 in recovery waste heat recycling air duct 11
Air waste heat.
The solar energy phase transition dry component of the present embodiment, including solar thermal collector 12, phase change heat storage tank 13, throttle valve II
14, solenoid valve II 15 and illuminance sensor, the 5th pipeline 16 of outlet and the phase change heat storage tank 13 of solar thermal collector 12
First import 17 connection, the 5th pipeline 16 are equipped with temperature sensor I 22, become heat storage tank 13 and are equipped with temperature sensor II 23；
Inlet communication of the first outlet 18 of phase change heat storage tank 13 through the 6th pipeline 19 and solar thermal collector 12；Phase change heat storage tank 13
Second import 20 is connected to through the 7th pipeline 21 with the second pipeline 7；7th pipeline 21 is equipped with throttle valve II 14 and solenoid valve II 15；
Inlet communication of the second outlet 24 of phase change heat storage tank 13 through the 8th pipeline 25 and evaporator 3.
Further, the illuminance sensor (not shown) of the present embodiment is located at outdoor ring locating for solar thermal collector 12
Under border, in order to the intensity of illumination of sensitive outdoor environment.Based on above-mentioned various components, the system of the present embodiment is not according to
The same situation that can need includes following three kinds of operating modes: mode one: heat pump drying component is individually dried；Mode two: heat pump is dry
While dry component is individually dried, solar energy phase transition dry component phase-changing energy-storing；Mode three: heat pump drying component and solar energy phase
Desiccation component is dried jointly.It is further explained in order to make it easy to understand, now being made for each mode.
Mode one: when the intensity of illumination of illuminance sensor detection is lower than presetting starting setting value, and temperature sensing
Phase-change material in the phase-changing energy-storing case that the leaving water temperature for the solar thermal collector that device I 22 detects is detected lower than temperature sensor II 23
Phase transition temperature when, then controller control compressor start, solenoid valve II 15 close, solenoid valve I 4 open, at this time merely with heat
Pump dry component is blown to hothouse, that is, to the wind heating in heating air duct 10, the wind after heating enters dry condenser 2
Dry interior is dried, and the wind after heat exchange comes out from waste heat recycling air duct 11, and evaporator absorbs to be gone out in waste heat recycling air duct 11
The waste heat of wind.In such a mode, waste heat recycling is carried out by the way that the wind after heat exchange in hothouse is recycled air duct from waste heat, and will
The waste heat comes back in heat pump drying component, reduces the energy consumption of system.
Mode two: when the intensity of illumination of illuminance sensor detection reaches presetting starting setting value or temperature sensing
The leaving water temperature for the solar thermal collector that device I 22 detects is higher than phase-change material in the phase-changing energy-storing case that temperature sensor II 23 detects
Phase transition temperature when, then controller control compressor start, solenoid valve II 15 close, solenoid valve I 4 open, at this time merely with heat
Pump dry component carries out air-supply drying and waste heat recovery processing, while the heat storage that solar thermal collector generates to hothouse
In phase change heat storage tank.
Mode three: after phase change heat storage tank energy storage, and when needing high temperature drying, controller controls compressor start, electromagnetism
Valve II 15 and solenoid valve I 4 are opened, and heat pump drying component is blown to hothouse, and condenser adds to the wind in heating air duct
Heat, the wind after heating, which enters in hothouse, to be dried, and the coolant media flowed out in condenser is divided into two-way, wherein passes through all the way
It is flowed into evaporator after solenoid valve I 4, another way flows into phase change heat storage tank through solenoid valve II 15 and carries out heat exchange with phase-change material
It flows into evaporator afterwards, certain low temperature is provided to evaporator in this way, reduces the energy consumption of system, and hothouse
Wind after heat exchange comes out from waste heat recycling air duct, and evaporator absorbs the waste heat of outlet air in waste heat recycling air duct, further decreases
Energy consumption.
Above-mentioned controller is conventional editable control system to those skilled in the art, as single-chip microcontroller,
The automation components such as PLC, this is common knowledge, and structural principle is no longer repeated herein.
In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not
Together, the equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is included in the present invention
In the protection scope of patent.Those skilled in the art can do described specific embodiment various each
The mode that the modify or supplement or adopt of sample is similar substitutes, and without departing from structure of the invention or surmounts the claims
Defined range, is within the scope of protection of the invention.
Claims (6)
1. a kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System, it is characterised in that: including heat pump drying component, solar energy phase
Desiccation component, hothouse and controller, wherein the cooperation of the drying air duct of the heat pump drying component and hothouse carries out hot friendship
Change with to hothouse make thermal energy conveying and waste heat recovery processing, the solar energy phase transition dry component pass through with heat pump drying component
Pipeline connection, wherein the solar energy phase transition dry component has the function of phase-transition heat-storage and can transmit the thermal energy heat stored
To heat pump drying component, the solar energy phase transition dry component includes sensing for incuding the illuminance of outdoor environment intensity of illumination
Device, for detecting the temperature sensor I (22) of accumulation of heat energy temperature value and for detect heat transmitting after heat energy carrier flow path temperature
The temperature sensor II (23) of angle value, wherein the illuminance sensing, temperature sensor I (22) and temperature sensor II (23)
It is connect respectively with the input terminal of controller, the electromagnetism of the solenoid valve II (15) of solar energy phase transition dry component, heat pump drying component
Valve I (4) and compressor (1) are connect with the output end of controller respectively, wherein dynamic by the on-off of electromagnetic valve for adjusting II (15)
Make that solar energy phase transition dry component is accordingly made to make heat transmitting or phase-transition heat-storage function.
2. phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System according to claim 1, it is characterised in that: the dry wind
Road includes heating air duct (10) and waste heat recycling air duct (11).
3. phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System according to claim 2, it is characterised in that: the heat pump is dry
The outlet of dry component, including compressor (1), condenser (2), evaporator (3), solenoid valve I (4), compressor (1) passes through the first pipe
The outlet of the inlet communication on road (6) and condenser (2), condenser (2) is connected to by the second pipeline (7), and the second pipeline (7) passes through
The inlet communication of third pipeline (8) and evaporator (3), solenoid valve I (4) are located on third pipeline (8), the outlet of evaporator (3)
Inlet communication through the 4th pipeline (9) and compressor (1)；And condenser (2) is located in heating air duct (10) to heating air duct
(10) interior air heating, evaporator (3) are located at interior recovery waste heat recycling air duct (11) the interior air waste heat of waste heat recycling air duct (11).
4. phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System according to claim 3, it is characterised in that: the solar energy
Phase transformation dry component, including solar thermal collector (12), phase change heat storage tank (13), solenoid valve II (15) and illuminance sensor,
The 5th pipeline (16) of outlet of solar thermal collector (12) is connected to the first import (17) of phase change heat storage tank (13), the 5th pipe
Road (16) is equipped with temperature sensor I (22), becomes heat storage tank (13) and is equipped with temperature sensor II (23)；Phase change heat storage tank (13)
Inlet communication of the first outlet (18) through the 6th pipeline (19) and solar thermal collector (12)；The second of phase change heat storage tank (13)
Import (20) is connected to through the 7th pipeline (21) with the second pipeline (7)；Solenoid valve II (15) is located on the 7th pipeline (21)；Phase transformation stores
The second outlet (24) of hot tank (13) is through the inlet communication of the 8th pipeline (25) and evaporator (3).
5. phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System according to claim 3, it is characterised in that: the heat pump is dry
Dry component includes throttle valve I (5), wherein the throttle valve I (5) is located on third pipeline (8).
6. phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System according to claim 4, it is characterised in that: the solar energy
Phase transformation dry component includes throttle valve II (14), wherein the stream valve II (14) is located on the 7th pipeline (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223455.2A CN109974437A (en) | 2019-03-22 | 2019-03-22 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
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| CN201910223455.2A CN109974437A (en) | 2019-03-22 | 2019-03-22 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306896A (en) * | 2020-02-14 | 2020-06-19 | 广东工业大学 | Heat pump drying system |
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