CN107144123A - A kind of heat pump dryer system - Google Patents
A kind of heat pump dryer system Download PDFInfo
- Publication number
- CN107144123A CN107144123A CN201710583591.3A CN201710583591A CN107144123A CN 107144123 A CN107144123 A CN 107144123A CN 201710583591 A CN201710583591 A CN 201710583591A CN 107144123 A CN107144123 A CN 107144123A
- Authority
- CN
- China
- Prior art keywords
- valve
- coil
- expansion valve
- heating
- flash vessel
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000005057 refrigeration Methods 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000010257 thawing Methods 0.000 claims abstract description 27
- 238000007791 dehumidification Methods 0.000 claims abstract description 12
- 238000007701 flash-distillation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of heat pump dryer system, heating includes air injection enthalpy-increasing compressor, four-way reversing valve, heating coil, heating power expansion valve, refrigeration coil and gas-liquid separator, economizer system, including flash vessel and injection electromagnetic valve；Dehumidification system includes electric expansion valve, dehumidify magnetic valve and dehumidifying coil；Except defrosting system is the defrosting magnetic valve that is separately provided；Flash vessel and electric expansion valve are connected in series between heating power expansion valve and refrigeration coil, and flash vessel is positioned close to heating power expansion valve side, and flash vessel is also connected to air injection enthalpy-increasing compressor input by injection electromagnetic valve；Dehumidify magnetic valve and dehumidifying coil are connected in refrigeration coil two ends, and dehumidify magnetic valve is positioned close to electric expansion valve side；Defrosting magnetic valve is connected in flash vessel and electric expansion valve two ends.The present invention can realize compressor efficiency, internal moisture removal and the effect of defrosting of improving, simple in construction effective, be worthy to be popularized.
Description
Technical field
The present invention relates to technical field of heat pumps, specially a kind of heat pump dryer system.
Background technology
Traditional foodstuff drying device uses coal hot-air stove heat, and the heat exchange of burning of coal efficiency and flue gas air is imitated
Rate is relatively low, and substantial amounts of heat is slatterned in the course of conveying of airduct, in addition hot-blast stove brick wall poor thermal insulation property, causes whole baking
The heat utilization rate of equipment for drying is very low；Using in traditional grain heat-drying production of coal hot-air stove heat, by manual observation
And experience judges and controls to adjust technical process (control the duration and degree of heating, regulation temperature), baking quality is unstable；Whole drying course
All artificial operation, manually control, labor intensity is larger.
In this context, air source heat pump is as a kind of heat energy apparatus of high-efficient energy-saving environment friendly, as reduction energy consumption and carries
The effective way of high grain drying quality.The grain dryer heat pump dryer unit that makes internal disorder or usurp is ground by the current country to be had：Guangdong Province is modern
Agricultural equipment research institute (former Guangdong Agricultural mechanical grinding make internal disorder or usurp institute), Ningbo Tianhai Refrigeration Equipment Co., Ltd, the thunderous industry in Zhejiang
Co., Ltd, Dongguan Zhengxu New Energy Equipment Technology Co., Ltd. etc..
But, there is following a few point defects in domestic existing heat pump dryer：1st, in the case of using single compressed machine,
The compression efficiency of compressor can not be improved to the full extent；2nd, the air of heat pump dryer inner chamber often occurs that large quantity of moisture steams
Vapour, influences the drying effect inside whole dryer；3rd, in the case that environment temperature is relatively low, knot often occurs in evaporation coil
White phenomenon, largely effects on the refrigeration endothermic effect of evaporation coil.
The content of the invention
It is an object of the invention to provide a kind of heat pump dryer system, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of heat pump dryer system, including heating, economizer system, except defrosting system and dehumidification system；
Heating, it includes air injection enthalpy-increasing compressor, four-way reversing valve, heating coil, heating power expansion valve, refrigeration coil
And gas-liquid separator, the air injection enthalpy-increasing compressor output end is connected to the input of heating coil by four-way reversing valve
On, the heating coil output end is connected on the input of refrigeration coil via heating power expansion valve, the refrigeration coil output
End is connected on the input of gas-liquid separator also by four-way reversing valve, and the output end of the gas-liquid separator is also connected to spray
On the input of gas enthalpy-increasing compressor；
Economizer system, including flash vessel and injection electromagnetic valve；
Dehumidification system, including electric expansion valve, dehumidify magnetic valve and dehumidifying coil；
Except defrosting system, it is the defrosting magnetic valve being separately provided；
The flash vessel and electric expansion valve are connected in series between heating power expansion valve and refrigeration coil, and flash vessel is arranged on
Close to heating power expansion valve side, the flash vessel is also connected to air injection enthalpy-increasing compressor input by injection electromagnetic valve；
The dehumidify magnetic valve and dehumidifying coil are connected in refrigeration coil two ends, and dehumidify magnetic valve is positioned close to electricity
Sub- expansion valve side；
The defrosting magnetic valve is connected in flash vessel and electric expansion valve two ends.
It is preferred that, heating, economizer system, except in defrosting system and dehumidification system, passing through between each interface member
Pipeline is connected.
It is preferred that, the dehumidifying coil is connected to the second check valve away from the series connection of dehumidify magnetic valve side.
It is preferred that, the refrigeration coil is connected to the first check valve away from the series connection of electric expansion valve side.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can cause part of refrigerant to enter through injection electromagnetic valve by the effect of flashed vapour and injection electromagnetic valve
Enter air injection enthalpy-increasing compressor, mix recompression with by the refrigerant of Partial shrinkage, reach and two stages of compression is realized with single compressor
Effect, increase heating coil in refrigerant flow, improve the efficiency of compressor.
The present invention is also acted on by the second throttle of electric expansion valve, and be combined with can be with the dehumidifying electromagnetism of autonomous control
Valve, makes the low-temperature low-pressure refrigerant after throttling enter dehumidifying coil through dehumidify magnetic valve, with air intake air heat-exchange and making in air
Condensate moisture discharge, realize internal moisture removal effect.
The defrosting magnetic valve of the present invention is connected between heating power expansion valve and refrigeration coil, when refrigeration coil frosting, profit
The medium temperature and medium pressure refrigerant liquid after once throttling is sprayed into refrigeration coil with defrosting magnetic valve, to improve evaporating temperature and steaming
Pressure is sent out, can be very good to reach the purpose of defrost.
The present invention by by air injection enthalpy-increasing compressor, four-way reversing valve, heating coil, heating power expansion valve, refrigeration coil with
And the heating of gas-liquid separator composition, the heat production effect of heat pump is realized, it is highly effective, and be combined with economizer system, remove
The function of defrosting system and dehumidification system, realizes compressor efficiency, internal moisture removal and the effect of defrosting of improving, simple in construction to have
Effect, is worthy to be popularized.
Brief description of the drawings
Fig. 1 is system connection figure of the invention；
Fig. 2 is the system unit interface connection figure of a preferred embodiment.
In figure：1 air injection enthalpy-increasing compressor, 2 four-way reversing valves, 3 heating coils, 4 heating power expansion valves, 5 flash vessels, 6 injections
Magnetic valve, 7 electric expansion valves, 8 refrigeration coils, 9 first check valves, 10 gas-liquid separators, 11 defrosting magnetic valves, 12 dehumidifying electromagnetism
Valve, 13 dehumidifying coils, 14 second check valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：
A kind of heat pump dryer system, including heating, economizer system, except defrosting system and dehumidification system, wherein,
Heating is used for realizing heat pump calorigenic action, and economizer system is used for improving compressor efficiency, is for strengthening except defrosting system
System defrosting ability, dehumidification system is used for dehumidifying to heat pump dryer inside.
Heating, it includes air injection enthalpy-increasing compressor 1, four-way reversing valve 2, heating coil 3, heating power expansion valve 4, refrigeration
Coil pipe 8 and gas-liquid separator 10, heating realize the effect of heat pump heat production by the compression to air-source.
The output end of air injection enthalpy-increasing compressor 1 is connected to by four-way reversing valve 2 on the input of heating coil 3, i.e. jet
The gas outlet of enthalpy-increasing compressor 1 is connected on the interface a of four-way reversing valve 2 by pipeline, and the interface b of four-way reversing valve 2 passes through
Pipeline is connected on the air inlet of heating coil 3, and air injection enthalpy-increasing compressor 1 is by the low-temp low-pressure gas-liquid mixed refrigerant pressure of suction
Shorten the refrigerant gas of HTHP into, interface a and interface b of the refrigerant gas through four-way reversing valve 2 effect, which enter, to be heated
Coil pipe 3, now four-way reversing valve 2 is not charged, and refrigerant gas exchanges heat through heating coil 3 is condensed into the refrigerant liquid of middle temperature high pressure
Body.
The refrigerant liquid that heating coil 3 is exported is connected to entering for refrigeration coil 8 by pipeline via heating power expansion valve 4
On liquid end, refrigerant liquid throttles through heating power expansion valve 4 turns into the gas-liquid mixed refrigerant of medium temperature and medium pressure, and refrigerant enters refrigeration
Coil pipe 8 realizes sweat cooling.
The output end of refrigeration coil 8 is connected to also by four-way reversing valve 2 on the input of gas-liquid separator 10, i.e. chill plate
The outlet side of pipe 8 is connected on the interface c of four-way reversing valve 2 by pipeline, and now the interface d of four-way reversing valve 2 passes through pipeline
The input of gas-liquid separator 10 is connected to, the output end of gas-liquid separator 10 is also connected to the air inlet of air injection enthalpy-increasing compressor 1
On mouth, exchanged heat through refrigeration coil 8 turns into interface c of the gas-liquid mixed refrigerant through four-way reversing valve 2 of middle low-temp low-pressure after evaporating
Effect with interface d enters gas-liquid separator 10, and the refrigerant gas come out through gas-liquid separator 10 compresses into air injection enthalpy-increasing
Machine 1 continues to compress, so as to form a complete kind of refrigeration cycle.
And the product of the system is single cold type, four-way reversing valve 2 only serves the effect of conversion refrigerant flow direction.
Economizer system, including flash vessel 5 and injection electromagnetic valve 6, the effect of flash vessel 5 is exactly by the saturation of cryogenic high pressure
Refrigerant liquid, after being discharged into the container compared with low pressure, due to the unexpected reduction of pressure, makes these saturation refrigerant liquids become one
Saturated vapor and saturated solution under partial container pressure, injection electromagnetic valve 6 are used for controlling by external program, realize that injection is made
With realization injects directly to the saturated vapor after flash distillation in air injection enthalpy-increasing compressor 1, is mixed with by the refrigerant of Partial shrinkage
Recompression, realizes the two stages of compression of single compressor, improves efficiency.
Dehumidification system, including electric expansion valve 7, dehumidify magnetic valve 12 and dehumidifying coil 13, electric expansion valve 7 be used for into
Row second throttle, the circulation that dehumidify magnetic valve 12 is used for dehumidifying coil 13 is opened and closed, and is realized from master regulation, is being needed
Dehumidify magnetic valve 12 is opened when will be to internal moisture removal；Wherein, the effect of dehumidifying coil 13, is exactly for the air intake with inside
Air heat-exchange, and the condensate moisture in air is discharged, realize dehumidifying.
Except defrosting system, it is the defrosting magnetic valve 11 being separately provided, and defrosting magnetic valve 11 is used for improving defeated to refrigeration coil 8
Enter temperature and pressure during refrigerant, reach the purpose of defrost.
Flash vessel 5 and electric expansion valve 7 are connected in series between heating power expansion valve 4 and refrigeration coil 8, i.e. flash vessel 5 and electricity
Sub- expansion valve 7 is arranged on the connecting pipe between heating power expansion valve 4 and refrigeration coil 8, and flash vessel 5 is positioned close to heating power
The side of expansion valve 4, heating power expansion valve 4 is connected on the interface f of flash vessel 5, realizes that input refrigerant liquid enters flash vessel 5
It is interior, and electric expansion valve 7 is connected by pipeline with the liquid outlet g of flash vessel 5, realizes the string of flash vessel 5 and electric expansion valve 7
Connection.
The refrigerant liquid exported by refrigeration coil 8 is by the once throttling of heating power expansion valve 4, and refrigerant liquid is first
Enter in flash vessel 5, realize flash distillation, flash vessel 5 is also connected to the input of air injection enthalpy-increasing compressor 1 by injection electromagnetic valve 6,
The gas part formed after flash distillation, by the jet-action of injection electromagnetic valve 6, the steam (vapor) outlet e of flash vessel 5 is connected to injection electricity
On magnet valve 6, the gas part after flash distillation is injected into air injection enthalpy-increasing compressor 1, mixed with the refrigerant gas of Partial shrinkage
Conjunction carries out two-stage compression again, improves efficiency.
Dehumidify magnetic valve 12 and dehumidifying coil 13 are connected in the two ends of refrigeration coil 8, and dehumidify magnetic valve 12 is arranged on and leaned on
The nearly side of electric expansion valve 7, is connected between dehumidify magnetic valve 12 and dehumidifying coil 13 by pipeline, and dehumidify magnetic valve 12 and dehumidifying
The two ends of coil pipe 13 are connected on the connecting pipe of refrigeration coil 8 and four-way reversing valve 2, refrigeration coil 8 and electronic expansion
On the connecting pipe of valve 7, the saturation refrigerant liquid that is formed after flash vessel 5 is flashed, by the second throttle of electric expansion valve 7 it
Afterwards, the refrigerant liquid of the low-temp low-pressure after throttling enters dehumidifying coil 13 through dehumidify magnetic valve 12, with air intake air heat-exchange simultaneously
The condensate moisture in air is discharged, dehumidification function is realized.
As one preferably, dehumidifying coil 13 is connected to the second check valve 14, second away from the series connection of the side of dehumidify magnetic valve 12
Refrigerant is flowed back into dehumidifying coil 13 when the setting of check valve 14 can prevent from shutting down, and is protected.
As another preferably, refrigeration coil 8 is connected to the first check valve 9 away from the series connection of the side of electric expansion valve 7, and first is single
It is back in refrigeration coil 8, is protected also for refrigerant when preventing from shutting down to the setting of valve 9.
Defrosting magnetic valve 11 is connected in flash vessel 5 and the two ends of electric expansion valve 7, that is, the two ends for the magnetic valve 11 that defrosts pass through
Pipeline is connected in parallel on the connecting pipe between heating power expansion valve 4 and refrigeration coil 8, in the case of ambient temperature is relatively low, system
The frosting of cooling coil 8, using defrosting, magnetic valve 11 sprays into the medium temperature and medium pressure refrigerant liquid after once throttling in refrigeration coil 8,
To improve evaporating temperature and additional issue pressure, the purpose of defrost is reached.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of heat pump dryer system, including heating, economizer system, except defrosting system and dehumidification system, its feature
It is：
Heating, it include air injection enthalpy-increasing compressor (1), four-way reversing valve (2), heating coil (3), heating power expansion valve (4),
Refrigeration coil (8) and gas-liquid separator (10), air injection enthalpy-increasing compressor (1) output end are connected by four-way reversing valve (2)
On the input for being connected to heating coil (3), heating coil (3) output end is connected to chill plate via heating power expansion valve (4)
On the input for managing (8), refrigeration coil (8) output end is connected to gas-liquid separator (10) also by four-way reversing valve (2)
Input on, the output end of the gas-liquid separator (10) is also connected on the input of air injection enthalpy-increasing compressor (1)；
Economizer system, including flash vessel (5) and injection electromagnetic valve (6)；
Dehumidification system, including electric expansion valve (7), dehumidify magnetic valve (12) and dehumidifying coil (13)；
Except defrosting system, it is the defrosting magnetic valve (11) being separately provided；
The flash vessel (5) and electric expansion valve (7) are connected in series between heating power expansion valve (4) and refrigeration coil (8), and flash distillation
Device (5) is positioned close to heating power expansion valve (4) side, and the flash vessel (5) is also connected to jet by injection electromagnetic valve (6) and increased
Enthalpy compressor (1) input；
The dehumidify magnetic valve (12) and dehumidifying coil (13) are connected in refrigeration coil (8) two ends, and dehumidify magnetic valve (12)
It is positioned close to electric expansion valve (7) side；
The defrosting magnetic valve (11) is connected in flash vessel (5) and electric expansion valve (7) two ends.
2. a kind of heat pump dryer system according to claim 1, it is characterised in that：Heating, economizer system, remove
In defrosting system and dehumidification system, connected between each interface member by pipeline.
3. a kind of heat pump dryer system according to claim 1, it is characterised in that：The dehumidifying coil (13) is remote to remove
Wet magnetic valve (12) side series connection is connected to the second check valve (14).
4. a kind of heat pump dryer system according to claim 1, it is characterised in that：The refrigeration coil (8) is away from electricity
Sub- expansion valve (7) side series connection is connected to the first check valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583591.3A CN107144123A (en) | 2017-07-18 | 2017-07-18 | A kind of heat pump dryer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583591.3A CN107144123A (en) | 2017-07-18 | 2017-07-18 | A kind of heat pump dryer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107144123A true CN107144123A (en) | 2017-09-08 |
Family
ID=59776153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710583591.3A Pending CN107144123A (en) | 2017-07-18 | 2017-07-18 | A kind of heat pump dryer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107144123A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006854A (en) * | 2017-12-25 | 2018-05-08 | 泰豪科技股份有限公司 | Moisture removal adjustable type dehumidifier |
| CN109386983A (en) * | 2018-10-22 | 2019-02-26 | 广东美的暖通设备有限公司 | Two pipes system air injection enthalpy-increasing outdoor unit and multi-line system |
| CN109855322A (en) * | 2019-02-21 | 2019-06-07 | 珠海格力电器股份有限公司 | A kind of throttling method and unit of the unit improving heat exchange efficiency |
| WO2020186906A1 (en) * | 2019-03-15 | 2020-09-24 | 宁波奥克斯电气股份有限公司 | Defrosting control method for air conditioner and air conditioner |
| CN111795552A (en) * | 2020-07-09 | 2020-10-20 | 西南科技大学 | Two-stage compression heat pump drying system |
| CN112524684A (en) * | 2020-11-27 | 2021-03-19 | 郑州瑞邦精密机械制造有限公司 | Air conditioner with indoor air supply heating heat exchanger |
| CN114402171A (en) * | 2019-09-30 | 2022-04-26 | 大金工业株式会社 | Heat pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970047463A (en) * | 1995-12-05 | 1997-07-26 | 가나이 츠토무 | Air conditioning refrigeration cycle with dryer |
| CN103307866A (en) * | 2013-06-05 | 2013-09-18 | 广州德能热源设备有限公司 | High-temperature heat pump drying unit for heat recovery and automatic dehumidification |
| CN105135730A (en) * | 2015-09-25 | 2015-12-09 | 北京建筑大学 | Refrigerating circulatory system |
| CN106403378A (en) * | 2016-12-08 | 2017-02-15 | 天津商业大学 | Heat pump drying system capable of adjusting relative air humidity |
| US20170115061A1 (en) * | 2013-04-26 | 2017-04-27 | David R Loebach | Crop drying system |
| CN206989669U (en) * | 2017-07-18 | 2018-02-09 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
-
2017
- 2017-07-18 CN CN201710583591.3A patent/CN107144123A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970047463A (en) * | 1995-12-05 | 1997-07-26 | 가나이 츠토무 | Air conditioning refrigeration cycle with dryer |
| US20170115061A1 (en) * | 2013-04-26 | 2017-04-27 | David R Loebach | Crop drying system |
| CN103307866A (en) * | 2013-06-05 | 2013-09-18 | 广州德能热源设备有限公司 | High-temperature heat pump drying unit for heat recovery and automatic dehumidification |
| CN105135730A (en) * | 2015-09-25 | 2015-12-09 | 北京建筑大学 | Refrigerating circulatory system |
| CN106403378A (en) * | 2016-12-08 | 2017-02-15 | 天津商业大学 | Heat pump drying system capable of adjusting relative air humidity |
| CN206989669U (en) * | 2017-07-18 | 2018-02-09 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006854A (en) * | 2017-12-25 | 2018-05-08 | 泰豪科技股份有限公司 | Moisture removal adjustable type dehumidifier |
| CN108006854B (en) * | 2017-12-25 | 2024-03-12 | 泰豪科技股份有限公司 | Dehumidifier with adjustable dehumidifying amount |
| CN109386983A (en) * | 2018-10-22 | 2019-02-26 | 广东美的暖通设备有限公司 | Two pipes system air injection enthalpy-increasing outdoor unit and multi-line system |
| WO2020082739A1 (en) * | 2018-10-22 | 2020-04-30 | 合肥美的暖通设备有限公司 | Two-pipe system gas-injection enthalpy-increasing outdoor unit and multi-split system |
| CN109386983B (en) * | 2018-10-22 | 2020-07-28 | 广东美的暖通设备有限公司 | Two-pipe jet enthalpy-increasing outdoor unit and multi-split system |
| CN109855322A (en) * | 2019-02-21 | 2019-06-07 | 珠海格力电器股份有限公司 | A kind of throttling method and unit of the unit improving heat exchange efficiency |
| WO2020186906A1 (en) * | 2019-03-15 | 2020-09-24 | 宁波奥克斯电气股份有限公司 | Defrosting control method for air conditioner and air conditioner |
| CN114402171A (en) * | 2019-09-30 | 2022-04-26 | 大金工业株式会社 | Heat pump |
| CN111795552A (en) * | 2020-07-09 | 2020-10-20 | 西南科技大学 | Two-stage compression heat pump drying system |
| CN111795552B (en) * | 2020-07-09 | 2023-09-22 | 西南科技大学 | Two-stage compression heat pump drying system |
| CN112524684A (en) * | 2020-11-27 | 2021-03-19 | 郑州瑞邦精密机械制造有限公司 | Air conditioner with indoor air supply heating heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107144123A (en) | A kind of heat pump dryer system | |
| CN109539762B (en) | Composite open-close type circulating heat pump drying system | |
| CN102062496B (en) | Heat pump | |
| CN107764036B (en) | A kind of frostless, Multivariable Coupling type heat pump hot blast stove system | |
| CN105698425B (en) | Refrigerating plant | |
| CN105444453B (en) | A kind of dual temperature refrigeration and heating | |
| CN208952452U (en) | A kind of quasi- second level ultralow-temperature air energy heat pump of double-condenser | |
| CN104613665A (en) | Heat pump air conditioner system | |
| CN110374876A (en) | Dual temperature independent compressor and air-conditioning system parallel | |
| CN104089424A (en) | Ejection refrigerating cycle device | |
| CN108592498A (en) | For parallel circulating system of the dual temperature refrigerator with hot gas defrosting and cold recovery | |
| CN108759138A (en) | The operation method and system of not exclusively cooling refrigeration system among second throttle | |
| CN110513290A (en) | The compressor and air-conditioning system of the parallel independent pump housing of band | |
| CN204494894U (en) | Heat pump type air conditioning system | |
| US11248824B2 (en) | Control system and control method for frostless, multivariable coupling, and heat pump-based hot blast stove | |
| CN203443291U (en) | Integrated high-temperature heat pump drying unit for recovering waste heat of air source | |
| CN105423620B (en) | A kind of efficient big temperature rise two-stage throttling cooling during rolling heat pump water-heating machine | |
| CN206989669U (en) | A kind of heat pump dryer system | |
| CN110487064B (en) | Heat pump drying device | |
| CN206330408U (en) | A kind of heat-pump-type Two-way Cycle hot air drying system | |
| CN209820027U (en) | Vacuum pump assembly on freeze dryer | |
| CN208000031U (en) | A kind of heat pump hot-blast stove structure | |
| WO2020132894A1 (en) | Compressor, heat pump system, water heater and clothes drying machine | |
| CN1632419A (en) | Self-folding type air source heat pump water heater | |
| CN108759139A (en) | The intermediate not exclusively cooling refrigeration system of primary throttling with medium temperature evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170908 |