CN205482280U - Tertiary hot recovery type heat pump drying unit - Google Patents
Tertiary hot recovery type heat pump drying unit Download PDFInfo
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- CN205482280U CN205482280U CN201620267346.2U CN201620267346U CN205482280U CN 205482280 U CN205482280 U CN 205482280U CN 201620267346 U CN201620267346 U CN 201620267346U CN 205482280 U CN205482280 U CN 205482280U
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- 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
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Abstract
The utility model belongs to the technical field of the heat pump, concretely relates to tertiary hot recovery type heat pump drying unit, tertiary hot recovery type heat pump drying unit include main circulating system and supplementary loop system, and the main circulating system is by the preceding subcooling of throttling of supplementary loop system's refrigerant, and the increase enthalpy difference improves the heating capacity under the low temperature, supplementary loop system process thermostatic expansion valve throttle back and mainstream way are after the heat transfer of economic ware board to reach suitable middling pressure, offer the compressor and carry out two secondary compression. The utility model provides a tertiary hot recovery type heat pump drying unit can provide higher relatively stable stoving environment at low ring warm purgation, realize the multistage utilization of the energy, environmental protection and energy saving are raised the efficiency, the bottom ice -melt is handled, realizes reverse hot -blast defrosting, whole frostless operation, under the adaptation environment of broadness, have higher comprehensive efficiency, the greatly very high utilization ratio of the energy is high -efficient, and is clean, the novel science and technology of environmental protection.
Description
Technical field
This utility model belongs to technical field of heat pumps, is specifically related to a kind of three grades of heat reclamation type heat pump drying units.
Background technology
Heat pump drying unit utilizes inverse Carnot's principle, draw heat from surrounding, and passes it on heated object, and its operation principle is identical with refrigeration machine, all works according to inverse Carnot cycle, and different simply operating temperature ranges is different.
Air source heat pump is dried and is presently the most one of energy-conservation drying mode, at present major part air source heat pump dehydrator many employings single-stage air dehumidifying thermal cycle, and its energy utilization rate is relatively low；Defrost mode is also mostly the most all off drying reverse system defrosting, does not stop drying and dam the modes such as collateral branch's high-temperature systems defrosting, electric heated defrosting.Its energy utilization rate is the lowest, more it cannot be guaranteed that stablizing of drying environment during defrosting, significantly wastes the energy.This shortcoming of shortcoming in severe cold time or conventional air source, area heat pump dryer is completely exposed especially.
Summary of the invention
In order to solve the problems referred to above that prior art exists, this utility model provides a kind of three grades of heat reclamation type heat pump drying units that can provide higher more stable drying environment under-25 DEG C of rugged surrounding temperatures.
The technical scheme that this utility model is used is:
A kind of three grades of heat reclamation type heat pump drying units, including major circulatory system and subsidiary loop system；
Described major circulatory system include compressor, gas-liquid separator, four-way change-over valve, condenser coil, economizer plate change, electric expansion valve, evaporation coil and recovery evaporator；Wherein, described compressor is connected with described condenser coil by described four-way change-over valve, described condenser coil changes with described economizer plate and is connected, described economizer plate changes and is connected with described electric expansion valve, described electric expansion valve is connected with described evaporation coil, described evaporation coil is connected with described recovery evaporator, and described recovery evaporator is connected with described gas-liquid separator by four-way change-over valve, and described gas-liquid separator is connected with described compressor；
Described subsidiary loop system includes that compressor, four-way change-over valve, condenser coil, heating power expansion valve and economizer plate change；Wherein, described compressor is connected with described condenser coil by described four-way change-over valve, and described condenser coil is connected with described heating power expansion valve, and described heating power expansion valve changes with economizer plate and is connected, and described economizer plate changes and is connected with compressor.
When system temperature is less than 10 DEG C, described subsidiary loop system start-up, described economizer plate is used instead in heat exchange.
It is provided with low tension switch between described compressor and described gas-liquid separator.It is provided with high-voltage switch gear between described compressor and described four-way change-over valve.Described high-voltage switch gear is arranged on the exhaust ports of described compressor, is used for detecting pressure.
It is provided with electromagnetic valve between described condenser coil and described heating power expansion valve.When system temperature is relatively low (less than 10 DEG C), electromagnetic valve is opened, and starts subsidiary loop system.
Described economizer plate changes and is provided with device for drying and filtering between described electric expansion valve.
Described three grades of heat reclamation type heat pump drying units also include drying room, the wet-emitting blower for dehumidifying and the sensible heat exchanger for recovery waste heat, and described wet-emitting blower connects with drying room.Described sensible heat exchanger is used for recovery waste heat, it is possible to absorbs new wind from the external world, and is respectively communicated with condenser coil, wet-emitting blower and recovery evaporator.
System absorbs heat from external environment, and by condenser coil heat release in drying room, the air in drying room is constantly drawn through and flows through condenser by condensation fan, thus is constantly heated, and improves the temperature in drying room.
Described three grades of heat reclamation type heat pump drying units structurally use three grades of heat recovery technologies, while meeting drying room circulating-heating, need to dehumidify drying room.When drying room humidity is excessive, opens wet-emitting blower, drying room is dehumidified, during dehumidifying, humid air in drying room flows out drying room, outdoor the most distinguished and the most admirable enter drying room, the two intersects in sensible heat exchanger and flows through, new wind is preheated by the humid air of heat, and after preheating, new wind passes through condenser coil, enters drying room；Part of waste heat in dehumidifying hot-air out carries out second heat recovery by recovery evaporator, absorbs the latent heat in humid air；Finally, waste heat carries out heat exchange to evaporation coil under evaporation fan effect, reaches three grades of utilizations of waste heat.Vaporizer is warmed up and reaches defrosting effect by hot blast, accomplishes frostless operation of leaking out, it is not necessary to carries out system defrosting and electric heated defrosting again, is greatly improved work efficiency and energy utilization rate.
Three grades of heat reclamation type heat pump drying units described in the utility model, including major circulatory system and subsidiary loop system, major circulatory system is supercool before being carried out throttling by the coolant of subsidiary loop, increases enthalpy difference, improves the heating capacity under cold tolerance and low temperature.System is absorbed heat from external environment and is heated drying room by condenser coil transmission heat.Ice-melt treatment technology bottom using on this external structure.It is properly functioning that unit can meet heating of air source heat pump dehydrator under relatively low ring temperature, can reach higher energy efficiency, thus well improve the climatic adaptation scope of net for air-source heat pump units.
The beneficial effects of the utility model are: three grades of heat reclamation type heat pump drying units that this utility model provides (-25 DEG C) can provide higher metastable drying environment under low ring temperature；Realizing the Multi-class propagation of the energy, environmental protection and energy saving improve efficiency；Bottom ice-melt processes, it is achieved reverse hot blast defrosting, omnidistance frostless operation；Under broad adaptation environment, having a higher comprehensive energy efficiency, the highest utilization rate of the energy, is efficient, cleaning, the new technology of environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of three grades of heat reclamation type heat pump drying units that one embodiment of this utility model provides；
Fig. 2 is the wind system figure of three grades of heat reclamation type heat pump drying units that one embodiment of this utility model provides.
In figure: 1, compressor, 2, low tension switch, 3, gas-liquid separator, 4, four-way change-over valve, 5, condenser coil, 6, condensation fan, 7, economizer plate change, 8, device for drying and filtering, 9, electric expansion valve, 10, evaporation coil, 11, evaporation fan, 12, recovery evaporator, 13, high-voltage switch gear, 14, electromagnetic valve, 15, heating power expansion valve, 16, wet-emitting blower, 17, sensible heat exchanger, 18, drying room, 19, hot-blast outlet, 20 loop back air port.
Detailed description of the invention
As it is shown in figure 1, this utility model provides a kind of three grades of heat reclamation type heat pump drying units, including major circulatory system and subsidiary loop system.
Described major circulatory system includes that compressor 1, gas-liquid separator 3, four-way change-over valve 4, condenser coil 5, economizer plate change 7, electric expansion valve 9, evaporation coil 10 and recovery evaporator 12；Wherein, compressor 1 is connected with condenser coil 5 by four-way change-over valve 4, condenser coil 5 changes 7 with economizer plate and is connected, economizer plate changes 7 and is connected with electric expansion valve 9, electric expansion valve 9 is connected with evaporation coil 10, evaporation coil 10 is connected with recovery evaporator 12, and recovery evaporator 12 is connected with gas-liquid separator 3 by four-way change-over valve 4, and gas-liquid separator 3 is connected with compressor 1.
Described subsidiary loop system includes that compressor 1, four-way change-over valve 4, condenser coil 5, heating power expansion valve 15 and economizer plate change 7；Wherein, compressor 1 is connected with condenser coil 5 by described four-way change-over valve 4, and condenser coil 5 is connected with heating power expansion valve 15, and heating power expansion valve 15 changes 7 with economizer plate and is connected, and economizer plate changes 7 and is connected with compressor 1.
As the embodiment that can select, the side of condenser coil 5 is provided with condensation fan 6, and the side of evaporation coil 10 is provided with evaporation fan 11.
As the embodiment that can select, between compressor 1 and gas-liquid separator 3, it is provided with low tension switch 2；It is provided with high-voltage switch gear 13 between described compressor 1 and described four-way change-over valve 4.High-voltage switch gear 13 is arranged on the exhaust ports of compressor 1, is used for detecting pressure.
As the embodiment that can select, between condenser coil 5 and described heating power expansion valve 15, it is provided with electromagnetic valve 14.When system temperature is less than 10 DEG C, electromagnetic valve 14 is opened, and subsidiary loop system start-up, economizer plate changes 7 for heat exchange.
As the embodiment that can select, economizer plate changes and is provided with device for drying and filtering 8 between 7 and electric expansion valve 9.
As the embodiment that can select, three grades of heat reclamation type heat pump drying units that the present embodiment provides also include drying room 18, the wet-emitting blower 16 for dehumidifying and the sensible heat exchanger 17 for recovery waste heat, and wet-emitting blower 16 connects with drying room 18.Described sensible heat exchanger 17 is for recovery waste heat, it is possible to absorbs new wind from the external world, and is respectively communicated with condenser coil 5, wet-emitting blower 16 and recovery evaporator 12.
As in figure 2 it is shown, system absorbs heat from external environment, by condenser coil 5 heat release in drying room 18, the air in drying room 18 is constantly drawn through and flows through condenser by condensation fan 6, thus is constantly heated, and improves the temperature in drying room 18.
Described three grades of heat reclamation type heat pump drying units structurally use three grades of heat recovery technologies, while meeting drying room 18 circulating-heating, need drying room 18 is timed dehumidifying.When drying room humidity is excessive, open wet-emitting blower 16, drying room 18 is dehumidified, during dehumidifying, humid air in drying room flows out drying room 18, outdoor the most distinguished and the most admirable enter drying room 18, the two intersects in sensible heat exchanger 17 and flows through, new wind is preheated by the humid air of heat, and after preheating, new wind passes through condenser coil 5, enters drying room 18；Part of waste heat in dehumidifying hot-air out carries out second heat recovery by recovery evaporator 12, absorbs the latent heat in dehumidifying hot blast；Finally, waste heat carries out heat exchange to evaporation coil 10 under evaporation fan 11 acts on, and reaches three grades of utilizations of waste heat.Vaporizer is warmed up and reaches defrosting effect by hot blast, accomplishes frostless operation of leaking out, it is not necessary to carries out system defrosting and electric heated defrosting again, is greatly improved work efficiency and energy utilization rate.
Major circulatory system is supercool before coolant carries out throttling, increases enthalpy difference；Subsidiary loop system carried out cold treatment by expansion valve and economizer to primary flow path.System is transmitted heat from external environment absorption heat by condenser coil 5 and is heated drying room 18.Ice-melt treatment technology bottom using on this external structure.It is properly functioning that unit can meet heating of air source heat pump dehydrator under relatively low ring temperature, can reach higher energy efficiency, thus well improve the climatic adaptation scope of net for air-source heat pump units.
In sum, higher metastable drying environment is provided under three grades of heat reclamation type heat pump drying unit low ring temperature that this utility model provides；Realizing the Multi-class propagation of the energy, environmental protection and energy saving improve efficiency；Bottom ice-melt processes, it is achieved reverse hot blast defrosting, omnidistance frostless operation；Under broad adaptation environment, there is higher comprehensive energy efficiency.
This utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but in its shape or structure, make any change; every have same as the present application or akin technical scheme, within all falling within protection domain of the present utility model.
Claims (8)
1. one kind three grades heat reclamation type heat pump drying units, it is characterised in that include major circulatory system and auxiliary
Help circuit system；
Described major circulatory system includes compressor (1), gas-liquid separator (3), four-way change-over valve (4), cold
Solidifying coil pipe (5), economizer plate change (7), electric expansion valve (9), evaporation coil (10) and recuperation of heat and steam
Send out device (12)；Wherein, described compressor (1) is by described four-way change-over valve (4) and described condenser coil
(5) connecting, described condenser coil (5) changes (7) with described economizer plate and is connected, described economizer
Plate changes (7) and is connected with described electric expansion valve (9), described electric expansion valve (9) and described evaporation coil
(10) connecting, described evaporation coil (10) is connected with described recovery evaporator (12), and described heat is returned
Receive vaporizer (12) to be connected with described gas-liquid separator (3) by four-way change-over valve (4), described gas-liquid
Separator (3) is connected with described compressor (1)；
Described subsidiary loop system includes compressor (1), four-way change-over valve (4), condenser coil (5), heat
Power expansion valve (15) and economizer plate change (7)；Wherein, described compressor (1) is commutated by described four-way
Valve (4) is connected with described condenser coil (5), described condenser coil (5) and described heating power expansion valve (15)
Connecting, described heating power expansion valve (15) changes (7) and is connected with economizer plate, and described economizer plate changes (7)
It is connected with compressor (1).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that institute
The side stating condenser coil (5) is provided with condensation fan (6).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that institute
The side stating evaporation coil (10) is provided with evaporation fan (11).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that institute
State and between compressor (1) and described gas-liquid separator (3), be provided with low tension switch (2)；Described compressor
And between described four-way change-over valve (4), be provided with high-voltage switch gear (13) (1).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that institute
State and between condenser coil (5) and described heating power expansion valve (15), be provided with electromagnetic valve (14).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that institute
State economizer plate to change and between (7) and described electric expansion valve (9), be provided with device for drying and filtering (8).
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that also
Including drying room (18) with for the wet-emitting blower (16) dehumidified, described wet-emitting blower (16) and drying room (18)
Connection.
Three grades of heat reclamation type heat pump drying units the most according to claim 1, it is characterised in that also
Including the sensible heat exchanger (17) for recovery waste heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267346.2U CN205482280U (en) | 2016-03-31 | 2016-03-31 | Tertiary hot recovery type heat pump drying unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620267346.2U CN205482280U (en) | 2016-03-31 | 2016-03-31 | Tertiary hot recovery type heat pump drying unit |
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| CN205482280U true CN205482280U (en) | 2016-08-17 |
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| CN201620267346.2U Active CN205482280U (en) | 2016-03-31 | 2016-03-31 | Tertiary hot recovery type heat pump drying unit |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595127A (en) * | 2017-01-18 | 2017-04-26 | 山东方亚地源热泵空调技术有限公司 | Energy-storage interconnecting heat pump defrosting device capable of lagging defrosting |
| CN107143953A (en) * | 2017-05-19 | 2017-09-08 | 广东志高暖通设备股份有限公司 | A kind of air injection enthalpy-increasing air-conditioning system |
| CN107560405A (en) * | 2017-09-08 | 2018-01-09 | 河南中联热科工业节能股份有限公司 | Energy-efficient vegetables drying system |
| CN107940924A (en) * | 2017-12-19 | 2018-04-20 | 贝莱特空调有限公司 | A kind of low circumstance temperature heat pump drying unit |
| CN107990699A (en) * | 2018-01-16 | 2018-05-04 | 河南中瑞制冷科技有限公司 | A kind of monoblock type, reverse circulation air source heat pump Drying unit |
| CN108061460A (en) * | 2017-10-27 | 2018-05-22 | 三河同飞制冷股份有限公司 | dryer |
| CN108759329A (en) * | 2018-06-28 | 2018-11-06 | 江苏必领能源科技有限公司 | Enclosed dehumidifying water wind-heat pumps more drying chamber drying systems |
| CN109269017A (en) * | 2018-09-03 | 2019-01-25 | 南京天加环境科技有限公司 | A kind of multi-connected machine single module system for not shutting down defrosting |
| CN109297322A (en) * | 2018-08-27 | 2019-02-01 | 珠海格力电器股份有限公司 | Degreasing heat recovery device |
| CN109442889A (en) * | 2018-10-10 | 2019-03-08 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN111941619A (en) * | 2020-08-18 | 2020-11-17 | 湖南银和瓷业有限公司 | Comprehensive energy-saving technology of intelligent ceramic drying room |
| CN113865325A (en) * | 2021-10-11 | 2021-12-31 | 珠海格力电器股份有限公司 | Heat pump drying equipment, heat pump drying control method and device |
-
2016
- 2016-03-31 CN CN201620267346.2U patent/CN205482280U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595127A (en) * | 2017-01-18 | 2017-04-26 | 山东方亚地源热泵空调技术有限公司 | Energy-storage interconnecting heat pump defrosting device capable of lagging defrosting |
| CN107143953B (en) * | 2017-05-19 | 2019-06-14 | 广东志高暖通设备股份有限公司 | A kind of air injection enthalpy-increasing air-conditioning system |
| CN107143953A (en) * | 2017-05-19 | 2017-09-08 | 广东志高暖通设备股份有限公司 | A kind of air injection enthalpy-increasing air-conditioning system |
| CN107560405A (en) * | 2017-09-08 | 2018-01-09 | 河南中联热科工业节能股份有限公司 | Energy-efficient vegetables drying system |
| CN108061460A (en) * | 2017-10-27 | 2018-05-22 | 三河同飞制冷股份有限公司 | dryer |
| CN107940924A (en) * | 2017-12-19 | 2018-04-20 | 贝莱特空调有限公司 | A kind of low circumstance temperature heat pump drying unit |
| CN107990699A (en) * | 2018-01-16 | 2018-05-04 | 河南中瑞制冷科技有限公司 | A kind of monoblock type, reverse circulation air source heat pump Drying unit |
| CN107990699B (en) * | 2018-01-16 | 2023-07-14 | 河南中瑞制冷科技有限公司 | Integral positive and negative circulation air source heat pump drying unit |
| CN108759329A (en) * | 2018-06-28 | 2018-11-06 | 江苏必领能源科技有限公司 | Enclosed dehumidifying water wind-heat pumps more drying chamber drying systems |
| CN109297322A (en) * | 2018-08-27 | 2019-02-01 | 珠海格力电器股份有限公司 | Degreasing heat recovery device |
| CN109297322B (en) * | 2018-08-27 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of degreasing heat recovery apparatus |
| CN109269017A (en) * | 2018-09-03 | 2019-01-25 | 南京天加环境科技有限公司 | A kind of multi-connected machine single module system for not shutting down defrosting |
| CN109442889A (en) * | 2018-10-10 | 2019-03-08 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN109442889B (en) * | 2018-10-10 | 2019-10-01 | 浙江大学 | One mode changeable waste heat recovery type heat pump drying device and its operation method |
| CN111941619A (en) * | 2020-08-18 | 2020-11-17 | 湖南银和瓷业有限公司 | Comprehensive energy-saving technology of intelligent ceramic drying room |
| CN113865325A (en) * | 2021-10-11 | 2021-12-31 | 珠海格力电器股份有限公司 | Heat pump drying equipment, heat pump drying control method and device |
| CN113865325B (en) * | 2021-10-11 | 2023-10-13 | 珠海格力电器股份有限公司 | Heat pump drying equipment, heat pump drying control method and heat pump drying control device |
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