CN204730581U - A kind of solar energy assists intelligent high temperature heat pump drying system - Google Patents

A kind of solar energy assists intelligent high temperature heat pump drying system Download PDF

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Publication number
CN204730581U
CN204730581U CN201520471255.6U CN201520471255U CN204730581U CN 204730581 U CN204730581 U CN 204730581U CN 201520471255 U CN201520471255 U CN 201520471255U CN 204730581 U CN204730581 U CN 204730581U
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China
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air
blower fan
solar energy
heat pump
valve
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CN201520471255.6U
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Chinese (zh)
Inventor
刘寅
崔四齐
王玮娜
万文雷
赵坤正
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Henan Tianhe Weiye Energy Science & Technology Co Ltd
Zhongyuan University of Technology
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Henan Tianhe Weiye Energy Science & Technology Co Ltd
Zhongyuan University of Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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 utility model discloses a kind of solar energy and assist intelligent high temperature heat pump drying system.This system comprises high temperature heat pump subsystem, solar energy assistant subsystem, Temperature and Humidity Control adjustment subsystem, baking room subsystem.High temperature heat pump technology, air-conditioning regulation technology, regenerative resource efficient technique of rainwater utilization and auxiliary electrical heater technology organically combine by the utility model, widen the application that different material is dried, improve high-temperature heat pump drying system reliability of operation, stability and economy; The utility model passes through the Intelligent adjustment of controller PLC and relevant executing agency, for the requirement of drying materials technique, adopt Temperature and Humidity Control strategy at times, realize the Automatic Control of drying course, improve the quality of material drying, quality and fragrance simultaneously, ensure that the quality of material drying; The utility model directly utilizes solar energy as drying materials auxiliary thermal source, and cost performance is high, energy-conserving and environment-protective.

Description

A kind of solar energy assists intelligent high temperature heat pump drying system
Technical field
The utility model relates to a kind of solar energy and assists intelligent high temperature heat pump drying system.
Background technology
In China, traditional drying technology mainly produces heat by primary energy such as fuel oil, combustion gas, fire coal or burn wood and carries out product oven dry, not only energy consumption is large, efficiency is low, also can produce the harmful substances such as a large amount of waste gas, waste water, waste residue, dust, cause the disaster such as acid rain, haze, serious environment pollution.Meanwhile, adopt the drying technology of traditional energy, in the drying course of material, there will be pernicious gas and enter baking room, make, containing harmful substances such as sulphur in material, to form secondary pollution.Therefore, traditional stoving process needs to improve.
Current novel drying technology mainly contains two kinds, and one adopts the direct heating technique of electrothermal tube, simple to operate, but efficiency is too low, and operating cost is higher, contrary with the energy saving policy of country; Another kind adopts heat pump drying technology, energy-conserving and environment-protective, existing Some Enterprises is brought into use, but existing heat pump drying technology, systemic-function is too simple, and Intelligent adjustment is poor, cause the temperature of baking room, moisture fluctuation larger, the epidemic disaster that can not meet stoving process regulates requirement, causes heat pump overall efficiency not high, and service life reduces.In addition, current novel drying technology is little for the direct utilization of regenerative resource, limits applying of heat pump drying technology.
Summary of the invention
The purpose of this utility model just in order to provide a kind of solar energy to assist intelligent high temperature heat pump drying system, to solve in existing stoving process the outstanding technical problems such as environmental pollution is serious, efficiency is lower, operating cost is high, temperature and humidity regulation is poor, renewable energy utilization efficiency is low.
The purpose of this utility model realizes by following technique measures:
Solar energy of the present utility model assists intelligent high temperature heat pump drying system to comprise high temperature heat pump subsystem, solar energy assistant subsystem, Temperature and Humidity Control adjustment subsystem, baking room subsystem, wherein said high temperature heat pump subsystem comprises compressor, throttling arrangement, air-cooled condenser, wind-cooled evaporator, oil eliminator, reservoir, device for drying and filtering, liquid-sighting glass, capacity adjusting valve, liquid injection valve, subcooler, pressure of inspiration(Pi) control valve, septum valve, differential control valve and connecting pipe, the exhaust outlet of wherein said compressor is divided into two interfaces, one of them exhaust outlet is connected with the import of pressure of inspiration(Pi) control valve by capacity adjusting valve, another exhaust outlet is connected with differential control valve import with air-cooled condenser import respectively by oil eliminator, and air-cooled condenser outlet to be exported with differential control valve respectively by septum valve and is connected with the import of reservoir, then the outlet of reservoir passes through device for drying and filtering successively, liquid-sighting glass and subcooler are connected with liquid injection valve import with throttling arrangement import respectively, wherein throttling arrangement outlet is connected with the import of pressure of inspiration(Pi) control valve by wind-cooled evaporator, liquid injection valve outlet is connected to the corresponding air inlet of compressor by subcooler, and described pressure of inspiration(Pi) control valve outlet is connected with compressor air suction mouth, described solar energy assistant subsystem comprises heat collector blower fan, solar energy air heat collector and connects airduct, wherein said heat collector assembling is on the right side of top cover of box, and communicate with the air outlet in storeroom, heat collector fan outlet is connected with the air inlet of solar energy air heat collector by connecting airduct, solar energy air heat collector outlet is connected with on the left of top cover of box by connecting airduct, and is connected with the air intake of air-cooled condenser, described Temperature and Humidity Control regulates subsystem comprise capacity adjusting valve, air-cooled condenser blower fan, wind-cooled evaporator blower fan, hydrofuge exhaust fan, new wind blower fan, electric heater, return air fan, heat collector blower fan, controller, temperature sensor, humidity sensor and connect wire, wherein said temperature sensor, temperature sensor, humidity sensor are installed in the storeroom of casing respectively, in solar energy air heat collector discharge pipe and return air inlet place, be connected with the input of controller respectively by connecting wire, the output of described controller is connected with the motor of capacity adjusting valve, the motor of air-cooled condenser blower fan, the motor of wind-cooled evaporator blower fan, the motor of the motor of hydrofuge exhaust fan, newly wind blower fan, electric heater, the motor of return air fan, the motor of heat collector blower fan respectively by connecting wire, described baking room subsystem comprises casing, door, return air dividing plate, materials vehicle, hydrofuge exhaust fan, new wind blower fan, return air fan, heat collector blower fan, screen pack, air-cooled condenser and electric heater, wherein said door is arranged on the right-hand member of casing, described hydrofuge exhaust fan is installed on the upside of door, described new wind assembling in the downside of the left end of casing, and described return air fan, heat collector blower fan are installed on the upside of return air dividing plate respectively, on the right side of the top cover of casing, wherein screen pack is arranged on the front portion of new wind blower fan, described air-cooled condenser, electric heater are installed on the air inlet of storeroom front end successively, described materials vehicle deposits in storeroom air inlet, and described return air dividing plate is installed on storeroom upper end, for the return airway between component material.
The outlet of liquid injection valve described in the utility model is connected with pressing tonifying Qi chamber in compressor by subcooler.
The outlet of liquid injection valve described in the utility model is connected with the air entry of compressor by subcooler, pressure of inspiration(Pi) control valve.Regulated the aperture of liquid injection valve by the temperature sensitive control device being arranged on compressor outlet, and then control the spouting liquid entering subcooler.
Compressor described in the utility model be invariable frequency compressor, point gear compressor, frequency-changeable compressor or tonifying Qi increase in enthalpy compressor any one; Described air-cooled condenser, wind-cooled evaporator are any one in fin-tube type, stacked or parallel flow heat exchanger; Described air-cooled condenser blower fan, wind-cooled evaporator blower fan, hydrofuge exhaust fan, new wind blower fan, return air fan, heat collector blower fan are any one in frequency conversion fan, fixed blower fan frequently or gear shift blower fan; Described throttling arrangement is any one in heating power expansion valve, capillary expansion valve or electric expansion valve; Described liquid injection valve is any one in pressure type liquid injection valve or temp. type liquid injection valve; Described capacity adjusting valve is any one in thermal type capacity adjusting valve, electromagnetic energy control valve or electrodynamic type capacity adjusting valve; Described pressure of inspiration(Pi) control valve is a kind of proportionality control valve controlled by downstream pressure (i.e. suction pressure of compressor); Described septum valve is a kind of proportionality control valve controlled by upstream pressure (i.e. condensing pressure); Described electric heater is any one in PTC electric heater, stainless steel heater, fluid explosion-proof electric heater or electric infrared heater; Described subcooler is any one in plate type heat exchanger, double-tube heat exchanger or flash evaporation.
The beneficial effects of the utility model are as follows:
A kind of solar energy that the utility model provides assists intelligent high temperature heat pump drying system, its structure is ingenious, system Optimized Matching, high temperature heat pump technology, air-conditioning regulation technology, regenerative resource efficient technique of rainwater utilization and auxiliary electrical heater technology are organically combined, its bake out temperature adjustable range is between 35 DEG C ~ 90 DEG C, widen the application that different material is dried, improve high-temperature heat pump drying system reliability of operation, stability and economy.
A kind of solar energy that the utility model provides assists intelligent high temperature heat pump drying system, by the Intelligent adjustment of controller PLC and relevant executing agency, for the requirement of drying materials technique, adopt Temperature and Humidity Control strategy at times, temperature control precision can reach within 0.2 DEG C, and humid control precision can reach within 0.5%, realizes the Automatic Control of drying course, improve the quality of material drying, quality and fragrance simultaneously, ensure that the quality of material drying.
A kind of solar energy that the utility model provides assists intelligent high temperature heat pump drying system, directly utilize solar energy as drying materials auxiliary thermal source, cost performance is high, energy-conserving and environment-protective, solve some defects of existing hyperthermia drying technology, therefore, the utility model has market application foreground and huge market potential widely, is applicable to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is the johning knot composition of the first embodiment of the present utility model.
Fig. 2 is the johning knot composition of the second embodiment of the present utility model.
Sequence number in figure: 1 compressor, 2 throttling arrangements, 3 air-cooled condensers, 3-1 air-cooled condenser blower fan, 4 wind-cooled evaporators, 4-1 wind-cooled evaporator blower fan, 5 oil eliminators, 6 reservoirs, 7 devices for drying and filtering, 8 liquid-sighting glass, 9-1 capacity adjusting valve, 9-2 controller (Programmable Logic Controller), 9-3, 9-5 temperature sensor, 9-4 humidity sensor, 10 liquid injection valves, 11 subcoolers, 12 pressure of inspiration(Pi) control valves, 13 septum valves, 14 differential control valves, 15 casings, 16 doors, 17 return air dividing plates, 18 materials vehicles, 19 hydrofuge exhaust fans, 20 new wind blower fans, 21 screen packs, 22 electric heaters, 23 return air fans, 24 heat collector blower fans, 25 solar energy air heat collectors.
Detailed description of the invention
The utility model is further described below with reference to embodiment (accompanying drawing):
Embodiment 1
As shown in Figure 1, the present embodiment mainly comprises high temperature heat pump subsystem, solar energy assistant subsystem, Temperature and Humidity Control adjustment subsystem, baking room subsystem, wherein said high temperature heat pump subsystem comprises compressor 1, throttling arrangement 2, air-cooled condenser 3, wind-cooled evaporator 4, oil eliminator 5, reservoir 6, device for drying and filtering 7, liquid-sighting glass 8, capacity adjusting valve 9-1, liquid injection valve 10, subcooler 11, pressure of inspiration(Pi) control valve 12, septum valve 13, differential control valve 14 and connecting pipe, its concrete annexation is that the exhaust outlet of compressor 1 is divided into two interfaces, one of them interface is connected with pressure of inspiration(Pi) control valve 12 import by capacity adjusting valve 9-1, another interface is connected with the import of differential control valve 14 with air-cooled condenser 3 import respectively by oil eliminator 5, and air-cooled condenser 3 is exported to be exported with differential control valve 14 respectively by septum valve 13 and is connected with the import of reservoir 6, then the outlet of reservoir 6 is successively by device for drying and filtering 7, liquid-sighting glass 8 and subcooler 11 are connected with liquid injection valve 10 import with throttling arrangement 2 import respectively, wherein throttling arrangement 2 is exported and is connected with pressure of inspiration(Pi) control valve 12 import by wind-cooled evaporator 4, liquid injection valve 10 is exported and is connected with pressure of inspiration(Pi) control valve 12 import by subcooler 11, described pressure of inspiration(Pi) control valve 12 outlet is connected with compressor air suction mouth, described solar energy assistant subsystem comprises heat collector blower fan 24, solar energy air heat collector 25 and connects airduct, wherein said heat collector blower fan 24 is arranged on the right side of casing 15 top cover, and communicate with the air outlet in storeroom, heat collector blower fan 24 exports and is connected with the air inlet of solar energy air heat collector 25 by connecting airduct, solar energy air heat collector 25 exports and is connected with on the left of casing 15 top cover by connecting airduct, and is connected with the air intake of air-cooled condenser 3, described Temperature and Humidity Control regulates subsystem to comprise capacity adjusting valve 9-1, air-cooled condenser blower fan 3-1, wind-cooled evaporator blower fan 4-1, hydrofuge exhaust fan 19, new wind blower fan 20, electric heater 22, return air fan 23, heat collector blower fan 24, the preferred Programmable Logic Controller of controller 9-2(), temperature sensor 9-3, humidity sensor 9-4 and connect wire, wherein said temperature sensor 9-3, temperature sensor 9-5, humidity sensor 9-4 is installed in the storeroom of casing 15 respectively, in solar energy air heat collector 25 discharge pipe and return air inlet place, be connected with the input of controller 9-2 respectively by connecting wire, the output of described controller 9-2 by connect wire respectively with the motor of capacity adjusting valve 9-1, the motor of air-cooled condenser blower fan 3-1, the motor of wind-cooled evaporator blower fan 4-1, the motor of hydrofuge exhaust fan 19, the motor of new wind blower fan 20, electric heater 22, the motor of return air fan 23, the motor of heat collector blower fan 24 is connected, described baking room subsystem comprises casing 15, door 16, return air dividing plate 17, materials vehicle 18, hydrofuge exhaust fan 19, new wind blower fan 20, return air fan 23, heat collector blower fan 24, screen pack 21, air-cooled condenser 3 and electric heater 22, wherein said door 16 is arranged on the right-hand member of casing 15, described hydrofuge exhaust fan 19 is installed on the upside of door 16, described new wind blower fan 20 is installed on the downside of the left end of casing 15, and described return air fan 23, heat collector blower fan 24 are installed on the upside of return air dividing plate 17 respectively, on the right side of the top cover of casing 15, wherein screen pack 21 is arranged on the front portion of new wind blower fan 20, described air-cooled condenser 3, electric heater 22 are installed on the air inlet of storeroom front end successively, described materials vehicle 18 deposits in storeroom air inlet, described return air dividing plate 17 is installed on storeroom upper end, for the return airway between component material.
Embodiment 2
As shown in Figure 2, this embodiment its difference compared with embodiment 1 is: subcooler 11 is no longer connected with pressure of inspiration(Pi) control valve 12 import, but is connected with pressing tonifying Qi chamber in compressor 1.
Compressor 1 described in the utility model is any one form in invariable frequency compressor, point gear compressor, frequency-changeable compressor, tonifying Qi increasing enthalpy compressor; Described air-cooled condenser 3, wind-cooled evaporator 4 are any one version in fin-tube type, stacked, parallel flow heat exchanger; Described air-cooled condenser blower fan 3-1, wind-cooled evaporator blower fan 4-1, hydrofuge exhaust fan 19, new wind blower fan 20, return air fan 23, heat collector blower fan 24 be any one form in frequency conversion fan, fixed frequency blower fan, gear shift blower fan; Described throttling arrangement 2 is any one version in heating power expansion valve, capillary expansion valve or electric expansion valve; Described liquid injection valve 10 is any one version in pressure type liquid injection valve, temp. type liquid injection valve; Described capacity adjusting valve 9-1 is any one form in thermal type capacity adjusting valve, electromagnetic energy control valve, electrodynamic type capacity adjusting valve; Described pressure of inspiration(Pi) control valve 12 is a kind of proportionality control valve controlled by downstream pressure (i.e. suction pressure of compressor); Described septum valve 13 is a kind of proportionality control valve controlled by upstream pressure (i.e. condensing pressure); Described electric heater 22 is any one form in PTC electric heater, stainless steel heater, fluid explosion-proof electric heater, electric infrared heater; Described subcooler 11 is any one version in plate type heat exchanger, double-tube heat exchanger, flash evaporation.
Combined by the Optimized Matching of above-mentioned four subsystems, controller PLC Intelligent adjustment, workflow of the present utility model is as follows:
(1) basic energy level mode of operation
When drying materials technique just starts, when high-temperature heat pump drying system does not need energy, temperature and humidity regulation, this mode of operation can be adopted.The flow process of Temperature and Humidity Control adjustment subsystem is: the information that controller 9-2 inputs according to temperature sensor 9-3,9-5 and humidity sensor 9-4, open air-cooled condenser blower fan 3-1, wind-cooled evaporator blower fan 4-1, return air fan 23, and be adjusted to maximum wind velocity, close capacity adjusting valve 9-1, hydrofuge exhaust fan 19, new wind blower fan 20, electric heater 22 and heat collector blower fan 24.The flow process of high temperature heat pump subsystem is: pressure of inspiration(Pi) control valve 12 and septum valve 13 standard-sized sheet, liquid injection valve 10 and differential control valve 14 are closed, the refrigerant vapour of the HTHP that compressor 1 is discharged becomes the cold or saturated liquid refrigerant of the mistake of high pressure by air-cooled condenser 3 release heat that oil eliminator 5 enters in casing 15, then successively through septum valve 13, reservoir 6, device for drying and filtering 7, liquid-sighting glass 8, subcooler 11 enters throttling arrangement 2, cross the gas-liquid two-phase cold-producing medium that cold liquid refrigerant becomes low-temp low-pressure after the flow restriction control of throttling arrangement 2, enter the superheated refrigerant steam becoming low pressure after wind-cooled evaporator 4 absorbs heat, then enter compressor 1 by pressure of inspiration(Pi) control valve 12 and carry out next cyclic process.Baking room subsystem flow process is: the air in casing 15 absorbs after heat intensification through air-cooled condenser 3, storeroom is entered through electric heater 22, after material on the air heat materials vehicle 18 of high temperature, releases heat is lowered the temperature, the simultaneously stability moisture of material, humidity increases, and the return air fan 23 then on the upside of return air dividing plate 17 enters air-cooled condenser 3 and enters next circulation.
(2) energy level mode of operation is regulated
A, air-breathing throttling energy adjustment
When summer, outdoor temperature was higher, compressor 1 pressure of inspiration(Pi) is too high, motor load can be caused excessive, now pressure of inspiration(Pi) control valve 12 controls the pressure of inspiration(Pi) of compressor 1 according to downstream pressure (i.e. suction pressure of compressor), when pressure of inspiration(Pi) raises, pressure of inspiration(Pi) control valve 12 turns down, and the refrigerant superheat steam throttling that wind-cooled evaporator 4 is exported, enters compressor with lower pressure of inspiration(Pi).Other workflows are identical with basic energy level mode of operation.
B, Liquid injection cooling energy adjustment
When winter outdoor temperature lower, evaporating pressure and evaporating temperature lower time, or in drying materials technical process, condensing pressure and condensation temperature too high time, or when causing the degree of superheat excessive in energy adjustment process, compressor 1 excessive discharge temperature may be caused, liquid injection valve 10 can according to the delivery temperature of compressor 1, regulate the spouting liquid before entering pressure of inspiration(Pi) control valve 12, reduce the suction superheat of compressor, prevent compressor 1 excessive discharge temperature, simultaneously, in order to prevent the liquid refrigerant shwoot before throttling arrangement 2, through the gas-liquid two-phase cold-producing medium of liquid injection valve 10 throttling, first by subcooler 11, before entering pressure of inspiration(Pi) control valve 12 again after absorbing the heat of a part of liquid refrigerant, this ensure that the degree of supercooling of cold-producing medium before throttling arrangement 2, improve refrigerating effect per unit swept volume and the compressor efficiency of evaporimeter.Other workflows are identical with basic energy level mode of operation.
C, hot-gas bypass energy adjustment
When in drying materials technical process, when the temperature rise of storeroom is too fast, the information that controller 9-2 inputs according to temperature sensor 9-3, open capacity adjusting valve 9-1, the refrigerant vapour part bypass of the HTHP that compressor 1 is discharged is through capacity adjusting valve 9-1, enter compressor air suction mouth after reducing pressure by regulating flow, reduce the thermal discharge of air-cooled condenser 3, run under preventing the lower pressure of inspiration(Pi) of compressor 1.Other workflows are identical with basic energy level mode of operation.
D, condenser reflux method energy adjustment
When winter outdoor temperature very low, when high temperature heat pump system just starts, when condensing pressure is too low, before and after throttling arrangement 2, pressure reduction is too little, feed flow is short of power, cannot provide enough liquid supply rates to wind-cooled evaporator 4, by regulating air-cooled condenser blower fan 3-1, wind-cooled evaporator blower fan 4-1 is not when still having an effect, can adopt this control method.After start, septum valve 13 is closed, and differential pressure control valve 14 is opened, and compressor 1 is vented a part and is bypassed to reservoir 6, and pressure in reservoir 6 is raised.When condensing pressure be elevated to septum valve 13 unlatching value above time, septum valve 13 is slightly opened, along with the rising of storeroom temperature, when maintaining normal condensing pressure balance, the aperture of septum valve 13 increases to standard-sized sheet, the aperture of differential pressure control valve 14 diminishes to complete shut-down, and heat pump refrigerant walks normal circulation path.Other workflows are identical with basic energy level mode of operation.
E, heat extraction energy adjustment
When system adopts hot-gas bypass+Liquid injection cooling energy adjustment, when the temperature rise of storeroom is still too fast, the information that controller 9-2 inputs according to temperature sensor 9-3, open hydrofuge exhaust fan 19, new wind blower fan 20, by the discharge with a part of high temperature return air that enters of the new wind of a part of low temperature, ensure the temperature rise rate of storeroom.Other workflows are identical with basic energy level mode of operation.
F, hydrofuge mode of operation
When in drying materials technical process, when storeroom humidity is excessive, the information that controller 9-2 inputs according to humidity sensor 9-4, opens hydrofuge exhaust fan 19, new wind blower fan 20, by the discharge with a part of high temperature return air that enters of the new wind of a part of low temperature, ensure the humidity of storeroom.Other workflows are identical with basic energy level mode of operation.
G, solar energy auxiliary energy regulate
When outdoor solar radiation intensity is larger, the information that controller 9-2 inputs according to temperature sensor 9-5, opens heat collector blower fan 24.Air-out in storeroom part or all (regulate primarily of return air fan 23 and determine) enters solar energy air heat collector 25 by heat collector blower fan 24, after absorbing solar heat radiant temperature, enter on the left of casing 15 top cover, enter storeroom release heat through air-cooled condenser 3, electrical auxiliary heater 22 again, discharge storeroom after the material of heated material car 18, enter next circulation.When the temperature rise rate of storeroom is crossed slow, the information that controller 9-2 inputs according to temperature sensor 9-3, starts basic energy level mode of operation, and air-cooled condenser 3 pairs of air intake post bake, to meet the temperature increase requirement of storeroom.
H, auxiliary electrical heater energy adjustment
When in drying materials technical process, the temperature rise rate of storeroom is excessively slow, when the energy adjustment of high temperature heat pump unit itself can't meet the demands, the information that controller 9-2 inputs according to temperature sensor 9-3, open electrical auxiliary heater 22, post bake is carried out to the air through air-cooled condenser 3, for meeting the requirement of the temperature rise rate of storeroom.Other workflows are identical with basic energy level mode of operation.

Claims (10)

1. solar energy assists an intelligent high temperature heat pump drying system, it is characterized in that: it comprises high temperature heat pump subsystem, solar energy assistant subsystem, Temperature and Humidity Control adjustment subsystem, baking room subsystem, wherein said high temperature heat pump subsystem comprises compressor (1), throttling arrangement (2), air-cooled condenser (3), wind-cooled evaporator (4), oil eliminator (5), reservoir (6), device for drying and filtering (7), liquid-sighting glass (8), capacity adjusting valve (9-1), liquid injection valve (10), subcooler (11), pressure of inspiration(Pi) control valve (12), septum valve (13), differential control valve (14) and connecting pipe, the exhaust outlet of wherein said compressor (1) is divided into two interfaces, one of them exhaust outlet is connected with pressure of inspiration(Pi) control valve (12) import by capacity adjusting valve (9-1), another exhaust outlet is connected with differential control valve (14) import with air-cooled condenser (3) import respectively by oil eliminator (5), and air-cooled condenser (3) outlet to be exported with differential control valve (14) respectively by septum valve (13) and is connected with the import of reservoir (6), then the outlet of reservoir (6) is successively by device for drying and filtering (7), liquid-sighting glass (8) is connected with liquid injection valve (10) import with throttling arrangement (2) import respectively with subcooler (11), wherein throttling arrangement (2) outlet is connected with pressure of inspiration(Pi) control valve (12) import by wind-cooled evaporator (4), liquid injection valve (10) outlet is connected to the corresponding air inlet of compressor by subcooler (11), and described pressure of inspiration(Pi) control valve (12) outlet is connected with compressor air suction mouth, described solar energy assistant subsystem comprises heat collector blower fan (24), solar energy air heat collector (25) and connects airduct, wherein said heat collector blower fan (24) is arranged on the right side of casing (15) top cover, and communicate with the air outlet in storeroom, heat collector blower fan (24) outlet is connected with the air inlet of solar energy air heat collector (25) by connecting airduct, the outlet of solar energy air heat collector (25) is connected with on the left of casing (15) top cover by connecting airduct, and is connected with the air intake of air-cooled condenser (3), described Temperature and Humidity Control regulates subsystem comprise capacity adjusting valve (9-1), air-cooled condenser blower fan (3-1), wind-cooled evaporator blower fan (4-1), hydrofuge exhaust fan (19), new wind blower fan (20), electric heater (22), return air fan (23), heat collector blower fan (24), controller (9-2), temperature sensor (9-3), humidity sensor (9-4) and connect wire, wherein said temperature sensor (9-3), temperature sensor (9-5), humidity sensor (9-4) is installed in the storeroom of casing (15) respectively, in solar energy air heat collector (25) discharge pipe and return air inlet place, be connected with the input of controller (9-2) respectively by connecting wire, the output of described controller (9-2) by connect wire respectively with the motor of capacity adjusting valve (9-1), the motor of air-cooled condenser blower fan (3-1), the motor of wind-cooled evaporator blower fan (4-1), the motor of hydrofuge exhaust fan (19), the motor of new wind blower fan (20), electric heater (22), the motor of return air fan (23), the motor of heat collector blower fan (24) is connected, described baking room subsystem comprises by casing (15), door (16), return air dividing plate (17), materials vehicle (18), hydrofuge exhaust fan (19), new wind blower fan (20), return air fan (23), heat collector blower fan (24), screen pack (21), air-cooled condenser (3) and electric heater (22), wherein said door (16) is arranged on the right-hand member of casing (15), described hydrofuge exhaust fan (19) is installed on the upside of door (16), described new wind blower fan (20) is installed on the downside of the left end of casing (15), and described return air fan (23), heat collector blower fan (24) are installed on the right side of the top cover of return air dividing plate (17) upside, casing (15) respectively, wherein screen pack (21) is arranged on the front portion of new wind blower fan (20), described air-cooled condenser (3), electric heater (22) are installed on the air inlet of storeroom front end successively, described materials vehicle (18) deposits in storeroom air inlet, described return air dividing plate (17) is installed on storeroom upper end, for the return airway between component material.
2. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: liquid injection valve (10) outlet is connected with the middle pressure tonifying Qi chamber of compressor (1) by subcooler (11).
3. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: liquid injection valve (10) outlet is connected with the air entry of compressor (1) by subcooler (11), pressure of inspiration(Pi) control valve (12).
4. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described compressor (1) is invariable frequency compressor, point gear compressor, frequency-changeable compressor or tonifying Qi increase in enthalpy compressor any one; Described air-cooled condenser (3), wind-cooled evaporator (4) be fin-tube type, any one in stacked or parallel flow heat exchanger.
5. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described air-cooled condenser blower fan (3-1), wind-cooled evaporator blower fan (4-1), hydrofuge exhaust fan (19), new wind blower fan (20), return air fan (23), heat collector blower fan (24) are frequency conversion fan, any one in fixed blower fan frequently or gear shift blower fan.
6. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described throttling arrangement (2) is heating power expansion valve, capillary expansion valve or electric expansion valve any one; Described liquid injection valve (10) is any one in pressure type liquid injection valve or temp. type liquid injection valve.
7. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described capacity adjusting valve (9-1) is thermal type capacity adjusting valve, any one in electromagnetic energy control valve or electrodynamic type capacity adjusting valve.
8. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described pressure of inspiration(Pi) control valve (12) is a kind of proportionality control valve controlled by downstream pressure; Described septum valve (13) is a kind of proportionality control valve controlled by upstream pressure.
9. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described electric heater (22) is PTC electric heater, any one in stainless steel heater, fluid explosion-proof electric heater or electric infrared heater.
10. solar energy according to claim 1 assists intelligent high temperature heat pump drying system, it is characterized in that: described subcooler (11) is plate type heat exchanger, any one in double-tube heat exchanger or flash evaporation.
CN201520471255.6U 2015-07-03 2015-07-03 A kind of solar energy assists intelligent high temperature heat pump drying system Withdrawn - After Issue CN204730581U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949477A (en) * 2015-07-03 2015-09-30 河南天赫伟业能源科技有限公司 Solar-assisted intelligent high-temperature heat pump drying system
CN106091458A (en) * 2016-08-10 2016-11-09 合肥海瑞弗机房设备有限公司 Integral type high temperature frequency conversion heat pump heating air conditioning system
CN110657642A (en) * 2019-10-12 2020-01-07 王兆举 Application method of efficient energy-saving environment-friendly tea leaf drying equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949477A (en) * 2015-07-03 2015-09-30 河南天赫伟业能源科技有限公司 Solar-assisted intelligent high-temperature heat pump drying system
CN104949477B (en) * 2015-07-03 2017-03-01 中原工学院 A kind of solar energy assists intelligent high temperature heat pump drying system
CN106091458A (en) * 2016-08-10 2016-11-09 合肥海瑞弗机房设备有限公司 Integral type high temperature frequency conversion heat pump heating air conditioning system
CN110657642A (en) * 2019-10-12 2020-01-07 王兆举 Application method of efficient energy-saving environment-friendly tea leaf drying equipment

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