CN206989669U - A kind of heat pump dryer system - Google Patents
A kind of heat pump dryer system Download PDFInfo
- Publication number
- CN206989669U CN206989669U CN201720867394.XU CN201720867394U CN206989669U CN 206989669 U CN206989669 U CN 206989669U CN 201720867394 U CN201720867394 U CN 201720867394U CN 206989669 U CN206989669 U CN 206989669U
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- valve
- coil
- expansion valve
- heating
- flash vessel
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- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 238000005057 refrigeration Methods 0.000 claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 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
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 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
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
-
- 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
Abstract
The utility model 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 both 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 both ends.The utility model 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
Technical field of heat pumps is the utility model is related to, specially a kind of heat pump dryer system.
Background technology
Traditional foodstuff drying device uses coal hot-air stove heat, the heat exchange effect of burning of coal efficiency and flue gas air
Rate is relatively low, and substantial amounts of heat slatterns in the course of conveying of airduct, in addition hot-blast stove brick wall poor thermal insulation property, causes entirely to dry
The heat utilization rate of equipment for drying is very low；Using in traditional grain heat-drying production of coal hot-air stove heat, observed by artificial
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
Whole manual operations, control, labor intensity are larger manually.
In this context, as a kind of heat energy apparatus of high-efficient energy-saving environment friendly, turn into reduces energy consumption and carries air source heat pump
The effective way of high grain drying quality.The country grinds the grain dryer heat pump dryer unit that makes internal disorder or usurp and had at present：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, influence 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 effect on the refrigeration endothermic effect of evaporation coil.
Utility model content
The purpose of this utility model is to provide a kind of heat pump dryer system, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model 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 are 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 both 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 both ends.
Preferably, heating, economizer system, except in defrosting system and dehumidification system, passing through between each interface member
Pipeline connects.
Preferably, the dehumidifying coil is connected to the second check valve away from the series connection of dehumidify magnetic valve side.
Preferably, 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 utility model are：
The utility model can cause part of refrigerant through spraying electromagnetism by the effect of flashed vapour and injection electromagnetic valve
Valve enters air injection enthalpy-increasing compressor, mixes recompression with by the refrigerant of Partial shrinkage, reaches and realize two-stage with single compressor
The effect of compression, increase the refrigerant flow in heating coil, improve the efficiency of compressor.
The utility model is also acted on by the second throttle of electric expansion valve, and be combined with can be with the dehumidifying electricity of autonomous control
Magnet valve, the low-temperature low-pressure refrigerant after throttling is set to enter dehumidifying coil through dehumidify magnetic valve, with air intake air heat-exchange and making air
In condensate moisture discharge, realize internal moisture removal effect.
Defrosting magnetic valve of the present utility model is connected between heating power expansion valve and refrigeration coil, when refrigeration coil frosting
When, using defrosting, magnetic valve sprays into the medium temperature and medium pressure refrigerant liquid after once throttling in refrigeration coil, to improve evaporation temperature
Degree and evaporating pressure, can be very good the purpose for reaching defrost.
The utility model passes through by air injection enthalpy-increasing compressor, four-way reversing valve, heating coil, heating power expansion valve, chill plate
The heating of pipe and gas-liquid separator composition, realizes the heat production effect of heat pump, highly effective, and is combined with economizer system
Unite, except the function of defrosting system and dehumidification system, realize and improve compressor efficiency, internal moisture removal and the effect of defrosting, structure
It is easy and effective, it is worthy to be popularized.
Brief description of the drawings
Fig. 1 is system connection figure of the present utility model；
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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model 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, except defrosting system be used for strengthening be
System defrosting ability, dehumidification system are 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 enter heating
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 medium temperature high pressure
Body.
The refrigerant liquid that heating coil 3 exports is connected to entering for refrigeration coil 8 by pipeline via heating power expansion valve 4
On liquid end, gas-liquid mixed refrigerant of the refrigerant liquid through the throttling of heating power expansion valve 4 as medium temperature and medium pressure, 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, turn into interface c of the gas-liquid mixed refrigerant through four-way reversing valve 2 of middle low-temp low-pressure after the heat exchange evaporation of refrigeration coil 8
Effect with interface d enters gas-liquid separator 10, is compressed through the refrigerant gas that gas-liquid separator 10 comes out 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, these saturation refrigerant liquids are made to 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 realizing and inject directly to the saturated vapor after flash distillation in air injection enthalpy-increasing compressor 1, mixed with by the refrigerant of Partial shrinkage
Recompression, the two stages of compression of single compressor is realized, improve 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 are opened and closed, realized from master regulation, are being needed
Dehumidify magnetic valve 12 is opened when will be to internal moisture removal；Wherein, the effect of dehumidifying coil 13, it 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 defeated to refrigeration coil 8 for improving
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 are connected on the interface f of flash vessel 5, realize 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
Entering 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 both 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 both 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 flashes, 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, realizes dehumidification function.
As one preferably, dehumidifying coil 13 is connected away from the side of dehumidify magnetic valve 12 and is connected to the second check valve 14, and second
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
Setting to valve 9 is back in refrigeration coil 8 also for refrigerant when preventing from shutting down, and is protected.
Defrosting magnetic valve 11 is connected in flash vessel 5 and the both ends of electric expansion valve 7, that is, the both 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, reach the purpose of defrost.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
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)
It is connected on the input of 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 are flashed
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) both 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) both ends.
A kind of 2. 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.
A kind of 3. 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).
A kind of 4. 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 |
|---|---|---|---|
| CN201720867394.XU CN206989669U (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 |
|---|---|---|---|
| CN201720867394.XU CN206989669U (en) | 2017-07-18 | 2017-07-18 | A kind of heat pump dryer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989669U true CN206989669U (en) | 2018-02-09 |
Family
ID=61404607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720867394.XU Active CN206989669U (en) | 2017-07-18 | 2017-07-18 | A kind of heat pump dryer system |
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| Country | Link |
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| CN (1) | CN206989669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144123A (en) * | 2017-07-18 | 2017-09-08 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
| CN108759443A (en) * | 2018-05-25 | 2018-11-06 | 广东芬尼克兹节能设备有限公司 | A kind of drying materials system |
-
2017
- 2017-07-18 CN CN201720867394.XU patent/CN206989669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144123A (en) * | 2017-07-18 | 2017-09-08 | 合肥万都云雅制冷科技股份有限公司 | A kind of heat pump dryer system |
| CN108759443A (en) * | 2018-05-25 | 2018-11-06 | 广东芬尼克兹节能设备有限公司 | A kind of drying materials system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heat pump dryer system Effective date of registration: 20200408 Granted publication date: 20180209 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI VANDRA REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001356 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210413 Granted publication date: 20180209 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI VANDRA REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001356 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Heat Pump Dryer System Effective date of registration: 20230328 Granted publication date: 20180209 Pledgee: Anhui pilot Free Trade Zone Hefei area sub branch of Huishang Bank Co.,Ltd. Pledgor: HEFEI VANDRA REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2023980036461 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180209 Pledgee: Anhui pilot Free Trade Zone Hefei area sub branch of Huishang Bank Co.,Ltd. Pledgor: HEFEI VANDRA REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2023980036461 |