CN202599056U - Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system - Google Patents

Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system Download PDF

Info

Publication number
CN202599056U
CN202599056U CN2012202451346U CN201220245134U CN202599056U CN 202599056 U CN202599056 U CN 202599056U CN 2012202451346 U CN2012202451346 U CN 2012202451346U CN 201220245134 U CN201220245134 U CN 201220245134U CN 202599056 U CN202599056 U CN 202599056U
Authority
CN
China
Prior art keywords
air
solar energy
refrigerating system
drying device
hothouse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012202451346U
Other languages
Chinese (zh)
Inventor
关志强
戴午子
李敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Petrochemical Technology
Original Assignee
Guangdong University of Petrochemical Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong University of Petrochemical Technology filed Critical Guangdong University of Petrochemical Technology
Priority to CN2012202451346U priority Critical patent/CN202599056U/en
Application granted granted Critical
Publication of CN202599056U publication Critical patent/CN202599056U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying
    • 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 relates to a waste heat recovery-solar energy auxiliary heating drying device of a refrigerating system. The waste heat recovery-solar energy auxiliary heating drying device is characterized in that a first outdoor fresh air inlet is connected with a drying chamber (7) through a first air door (22), a first fan (23), a dehumidification evaporator (4) and an exhaust heat recoverer (5); a second outdoor fresh air inlet (17) is connected with the drying chamber through a solar energy air collector (1), a second fan (2) and a second air door (3), and a circulating air outlet of the drying chamber is connected with the dehumidification evaporator through a valve (20); an air outlet of the drying chamber is connected with a third fan (9) and a third air door (8), wherein a gas state refrigerant inlet of the exhaust heat recoverer is connected with a refrigeratory refrigerating system exhaust pipe (13) through a second stop valve (18); a liquid state refrigerant outlet is connected with a refrigeratory refrigerating system condensed fluid discharge pipe (14) through a third stop valve (19), and a refrigerant inlet of the dehumidification evaporator is connected with a refrigeratory refrigerating system feed pipe (15) through a throttling valve (11); and a refrigerant outlet is connected with a refrigeratory refrigerating system air returning pipe (16) through a first stop valve (10). The auxiliary heating drying device provided by the utility model can save conventional energy resource, can obtain remarkable economic benefits, and is suitable for drying processing for foods, especially subsidiary agricultural products.

Description

Refrigeration system waste heat recovery-solar energy assistant heating drying device
Technical field
The utility model belongs to a kind of heat drying device; Specifically; Be a kind of refrigeration system waste heat recovery-solar energy assistant heating drying device, it combines with large-scale refrigerating system, recycles the heat extraction of refrigeration system condenser; And make device can reduce the product drying energy consumption by dry processing technology and process timely adjustment and use in conjunction with solar energy utilization system.
Background technology
Freezer is as the key link of Cold Chain Logistics, and its energy consumption is very huge.The freezer refrigerating system is made up of compressor, condenser, throttling arrangement and evaporimeter and auxiliary equipment etc.; Low-temperature low-pressure refrigerant steam is inhaled in the compressor through air intake duct; Produce the refrigerant vapour of HTHP through overcompression; Become the liquid state of cryogenic high pressure to condensation of refrigerant through condenser, carry out the liquid refrigerant that throttling becomes low-temp low-pressure through choke valve again, thereby liquid refrigerant evaporate the purpose that the absorption heat reaches refrigeration in evaporimeter.The refrigerating capacity of refrigeration system is generally all very big in the freezer; The heat of corresponding condenser discharging is also very big; Condenser in the existing big-and-middle-sized freezer generally is directly to be discharged into condensation heat in the environment as used heat, and this not only makes environment produce thermal pollution, has also wasted the energy simultaneously.In a lot of freezers, have drying process, drying is the process of removing moisture content in the material through heat and mass, and the needed energy mainly is heat energy, and drying also is the technology of a high energy consumption.Food product refrigeration is processed Waste Heat Recovery in the refrigeration system of usefulness and is used for the energy consumption of food drying, will help improving food industrialization in producing with can coefficient, reduce energy consumption of unit product, reach the purpose of energy-saving and emission-reduction.
Solar energy is clean reproducible energy, utilizes solar energy drying equipment, can carry out drying operation to agricultural byproducts; Because the temperature levels of the drying of general agricultural byproducts and food requirement is not very high, greatly between 40~70 ℃, adapt with low temperature utilization in the solar energy heat utilization field; Therefore; When utilizing the heat release of freezer condenser to carry out drying, also can according in the food drying process to the demands of different of temperature conditions, carry out assistant heating by technology utilization solar energy stage by stage; Both conventional energy resource can be saved, remarkable economic efficiency can be obtained again.
Summary of the invention
The purpose of the utility model provides a kind of Remarkable Energy Saving refrigeration system waste heat recovery-solar energy assistant heating drying device.
The refrigeration system waste heat recovery that the utility model provides-solar energy assistant heating drying device, the first outdoor new wind inlet connects hothouse through first air door, first blower fan, dehumidifying evaporimeter, exhaust gas heat recovering instrument; The second outdoor new wind inlet connects hothouse through solar energy air heat collector, second blower fan, second air door; The circulated air outlet of hothouse connects the dehumidifying evaporimeter through valve, and the exhaust outlet of hothouse is connected to the 3rd blower fan and the 3rd air door;
Wherein, the gaseous refrigerant of exhaust gas heat recovering instrument inlet is connected with freezer refrigerating system exhaust pipe through second stop valve, and liquid refrigerant outlet links to each other with freezer refrigerating system condensing liquid discharge pipe through the 3rd stop valve; The refrigerant inlet of dehumidifying evaporimeter links to each other with freezer refrigerating system feed pipe through choke valve, and refrigerant outlet passes through first stop valve and links to each other with freezer refrigerating system muffler.
In above-mentioned, the exhaust gas heat recovering instrument and second air door connect this hothouse again through collection chamber; The bottom of dehumidifying evaporimeter is connected to draining valve.
The utility model combines large-scale refrigerating system and solar energy air heat collector; Utilize the heat extraction of refrigeration system condenser and the heat of solar energy that energy required in the dry run is provided; Drive dry run; And come the conversion of engagement process and operation stage to carry out low temperature dehumidification through the dehumidifying evaporimeter, form to be fit to the open type that technology changes and the drying device of sealing.
The utility model can be according to different climatic conditions separately or unite modes such as using the recuperation of heat of freezer refrigerating system condensing, solar energy air heat collector heating and the dehumidifying of freezer refrigerating system hypothermia and come dry.Device can adopt open type, enclosed or semi-open type circulation according to the difference of dehumidification process procedure parameter.Open circulation is meant that dry air all takes from outdoorly, after apparatus processes, is used for drying, and dried air is all drained in the outdoor environment; What closed cycle was meant that dry air adopts is indoor recirculation air, does not have the introducing of outdoor new wind, and dried air recycles after by apparatus processes again; Semi-open type circulation is meant that a dry air part takes from outdoor new wind, and a part is from indoor circulation wind, and the mixing air of new wind and circulated air is used for drying after apparatus processes, and a dried air part recycles, and another part then is discharged from outdoor.
The utility model both can be saved conventional energy resource, can obtain remarkable economic efficiency again, was suitable for the particularly drying processing of agricultural byproducts of food.
Description of drawings
Fig. 1 is the device process principle figure of the utility model.
The specific embodiment
With reference to Fig. 1; The refrigeration system waste heat recovery that the utility model provides-solar energy assistant heating drying device; The first outdoor new wind inlet connects hothouse 7 through first air door 22, first blower fan 23, dehumidifying evaporimeter 4, exhaust gas heat recovering instrument 5 through collection chamber 6 again, and this dehumidifying evaporimeter 4 and exhaust gas heat recovering instrument 5 are installed in the casing 21; The second outdoor new wind inlet 17 connects hothouse 7 through solar energy air heat collector 1, second blower fan 2, second air door 3 through collection chamber 6 again; The circulated air outlet of hothouse 7 connects dehumidifying evaporimeter 4 through valve 20, and the exhaust outlet of hothouse 7 is connected to the 3rd blower fan 9 and the 3rd air door 8.
In above-mentioned, the gaseous refrigerant of exhaust gas heat recovering instrument 5 inlet is connected with freezer refrigerating system exhaust pipe 13 through second stop valve 18, and liquid refrigerant outlet links to each other with freezer refrigerating system condensing liquid discharge pipe 14 through the 3rd stop valve 19; The refrigerant inlet of dehumidifying evaporimeter 4 links to each other with freezer refrigerating system feed pipe 15 through choke valve 11, and refrigerant outlet passes through first stop valve 10 and links to each other with freezer refrigerating system muffler 16; The bottom of dehumidifying evaporimeter 4 is connected to draining valve 12.
In the utility model; Above-mentioned all can being installed on the drying box that assembles by warming plate; Dividing plate is divided into drying box two-layer up and down; The upper strata is to place the casing that is equipped with dehumidifying evaporimeter and exhaust gas heat recovering instrument, and lower floor is a hothouse, and solar energy air heat collector is installed in the drying box top.
The utility model is when using; The new wind of introducing from the first outdoor new wind inlet and the second outdoor new wind inlet of two-way can be simultaneously or just introducing wherein a tunnel separately; Carry out the operation of above-mentioned said open type, semi-open type, also can not introduce new wind and air in the use device carries out enclosed operation.Specifically:
Open type: one tunnel outdoor new wind is after the second outdoor new wind inlet 17 introducing solar energy air heat collectors 1 are heated; Get into collection chamber 6 through second blower fan 2 and second air door 3; Simultaneously, the outdoor air on another road is treated to through the first outdoor new wind inlet, first air door 22, first blower fan 23, dehumidifying evaporimeter 4, exhaust gas heat recovering instrument 5 and also gets into collection chamber 6, two transportation work styles behind the air of high temperature low humidity and mix the back and get into hothouse 7; While valve-off 20; Start the 3rd blower fan 9 and the 3rd air door 8 of the exhaust outlet of hothouse 7, carry out the caloic exchange with the article of required drying in the hothouse 7 after, air is through the 3rd air door 8 and 9 discharges of the 3rd blower fan of hothouse 7.
Also can close first air door 22 or second air door 3, just introduce wherein one tunnel new wind.
Enclosed: close first air door 22 and second air door 3, Open valve 20, start dehumidifying evaporimeter 4, exhaust gas heat recovering instrument 5 adopts intrasystem air, dried air recycles after by apparatus processes again.
Semi-open type: one tunnel outdoor air is after the second outdoor new wind inlet 17 introducing solar energy air heat collectors 1 are heated; Get into collection chamber 6 through second blower fan 2 and second air door 3; Simultaneously; The outdoor air on another road is treated to through the first outdoor new wind inlet, first air door 22, first blower fan 23, dehumidifying evaporimeter 4, exhaust gas heat recovering instrument 5 and also gets into collection chamber 6, two transportation work styles behind the air of high temperature low humidity and mix the back and get into hothouse 7, carry out the caloic exchange with the article of required drying in the hothouse 7 after; The part air recycles through the circulated air outlet of hothouse 7; The part air is discharged by the 3rd air door 8 and the 3rd blower fan 9 of hothouse 7, and exhaust air rate equates with the resh air requirement sum that the resh air requirement and first blower fan 23 of solar energy air heat collector 1 introducing are introduced, to guarantee the air balance in the heat drying casing.
In above-mentioned; The dehumidifying evaporimeter moves or does not move according to the requirement and the parameter different choice of dehumidification process, and when the operation of dehumidifying evaporimeter, choke valve is opened; Get into the dehumidifying evaporimeter after the liquid refrigerant throttling step-down in the freezer refrigerating system feed pipe; Because dehumidifying evaporator surface temperature is lower than the dew-point temperature of handling air, air themperature reduces and produces condensate, and the low temperature and low humidity air behind the cool-down dehumidification continues to flow through exhaust gas heat recovering instrument; The absorptive condenser liberated heat, the air that becomes the high temperature low humidity gets into collection chamber.Under the more weak conditions such as rainy weather of solar radiation; Solar energy air heat collector is not devoted oneself to work; Isolated operation exhaust gas heat recovering instrument or cooperation dehumidifying evaporimeter and exhaust gas heat recovering instrument, this moment, air system can adopt open system, closed system or semi-open type system; And under fine temperature conditions of higher; Solar energy air heat collector work; After adding hot-air with solar energy air heat collector; With the hot-air from exhaust gas heat recovering instrument, or be mixed together the back dry products from the hot-air of dehumidifying evaporimeter and exhaust gas heat recovering instrument, air system can adopt open system and semi-open type system at this moment.
The utility model can reclaim refrigeration system and joint solar and be used to allocate external condition and process conditions by refrigeration and the dry collaborative work that needs, and has realized that the refrigeration system waste heat transforms and utilizes.
The pipe arrangement that this device communicates with the refrigeration system cold-producing medium must meet the requirement of refrigeration process.
Above-mentioned is the preferred embodiments of the utility model; But the embodiment of the utility model does not receive the restriction of above-mentioned enforcement; Other are any not to deviate from change, the modification done under spirit and the principle of the utility model, substitute, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.

Claims (3)

1. refrigeration system waste heat recovery-solar energy assistant heating drying device is characterized in that, the first outdoor new wind inlet connects hothouse (7) through first air door (22), first blower fan (23), dehumidifying evaporimeter (4), exhaust gas heat recovering instrument (5); The second outdoor new wind inlet (17) connects hothouse (7) through solar energy air heat collector (1), second blower fan (2), second air door (3); The circulated air outlet of hothouse (7) connects dehumidifying evaporimeter (4) through valve (20), and the exhaust outlet of hothouse (7) is connected to the 3rd blower fan (9) and the 3rd air door (8);
Wherein, The gaseous refrigerant inlet of exhaust gas heat recovering instrument (5) is connected with freezer refrigerating system exhaust pipe (13) through second stop valve (18), and liquid refrigerant outlet links to each other with freezer refrigerating system condensing liquid discharge pipe (14) through the 3rd stop valve (19); The refrigerant inlet of dehumidifying evaporimeter (4) links to each other with freezer refrigerating system feed pipe (15) through choke valve (11), and refrigerant outlet links to each other with freezer refrigerating system muffler (16) through first stop valve (10).
2. refrigeration system waste heat recovery according to claim 1-solar energy assistant heating drying device is characterized in that, exhaust gas heat recovering instrument (5) and second air door (3) connect this hothouse (7) again through collection chamber (6).
3. refrigeration system waste heat recovery according to claim 1-solar energy assistant heating drying device is characterized in that, the bottom of dehumidifying evaporimeter (4) is connected to draining valve (12).
CN2012202451346U 2012-05-29 2012-05-29 Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system Expired - Fee Related CN202599056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202451346U CN202599056U (en) 2012-05-29 2012-05-29 Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202451346U CN202599056U (en) 2012-05-29 2012-05-29 Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system

Publications (1)

Publication Number Publication Date
CN202599056U true CN202599056U (en) 2012-12-12

Family

ID=47316586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202451346U Expired - Fee Related CN202599056U (en) 2012-05-29 2012-05-29 Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system

Country Status (1)

Country Link
CN (1) CN202599056U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661660A (en) * 2012-05-29 2012-09-12 广东石油化工学院 Refrigerating system waste heat recovery and solar-assisted heating and drying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661660A (en) * 2012-05-29 2012-09-12 广东石油化工学院 Refrigerating system waste heat recovery and solar-assisted heating and drying device

Similar Documents

Publication Publication Date Title
CN203443301U (en) Integrated heat pump drying unit for heating and dehumidifying air source and recovering heat
CN102809265A (en) Multi-purpose solar energy-air source heat pump circling dehumidification curing barn
CN101363682A (en) Energy-conserving drying system
CN204730617U (en) A kind of heat accumulating type solar energy of back-heating type and heat pump united drying system
CN108981292B (en) Energy-saving system of freeze dryer utilizing solar absorption refrigeration and operation method
CN204881113U (en) Solar energy and heat pump be multi -functional drying system of integration jointly
CN103983095A (en) Heat recovery heat pump and energy-storage solar heat pump united drying system and control method
CN104776709A (en) Multifunctional drying system integrating solar energy and heat pump
CN103771680A (en) Sequencing batch waste heat recovery vacuum drying device
CN201297829Y (en) Energy-saving drying system
CN105300079A (en) Dehumidifying device with vortex tube
CN203443291U (en) Integrated high-temperature heat pump drying unit for recovering waste heat of air source
CN111023790A (en) Chinese herbal medicine heat pump drying system with heat pipe heat regenerator
CN202973807U (en) Rapid baking and dehumidification heat pump unit
CN102777989B (en) Heat pump air-conditioning unit system suitable for high-humidity low-temperature environment of underground hydropower station cavern
CN108709353A (en) A kind of difunctional equipment that can be dried and be refrigerated using air
CN102661660A (en) Refrigerating system waste heat recovery and solar-assisted heating and drying device
CN101889713A (en) Solar-heat pump combined food air thawing system and thawing method
CN203672088U (en) Intelligent drying dehumidification heat pump drying box
CN202581587U (en) Low-humidity high-temperature regenerating energy-saving dehumidification system
CN110388815A (en) The multi-air condition system and its working method dry for grain depot
CN205119549U (en) Multi -functional heat pump type evaporation formula condensation air conditioning unit
CN213873481U (en) Novel solar heat coupling heat pump double-backheating drying system
CN110645737B (en) Energy storage type renewable energy source utilization and air conditioner waste heat recovery system and method
CN202599056U (en) Waste heat recovery-solar energy auxiliary heating drying device of refrigerating system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121212

Termination date: 20130529