CN208170980U - Closed heat pump condensing units drying system - Google Patents
Closed heat pump condensing units drying system Download PDFInfo
- Publication number
- CN208170980U CN208170980U CN201820594756.7U CN201820594756U CN208170980U CN 208170980 U CN208170980 U CN 208170980U CN 201820594756 U CN201820594756 U CN 201820594756U CN 208170980 U CN208170980 U CN 208170980U
- Authority
- CN
- China
- Prior art keywords
- heat pump
- condensing units
- condenser
- module
- connect
- 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.)
- Active
Links
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
- 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
Abstract
The utility model discloses a kind of closed heat pump condensing units drying system, including at least a set of dehumidifying heat pump module and a set of condensing units module;The air-supply oral area of the condensing units module is arranged in the condenser of the dehumidifying heat pump module.The utility model has the following advantages:Wet-out property ratio can achieve every degree electricity water removal about 4-5kg, can save energy 25% or more;Cooling water pipeline only concentrates on condensation heat recovery device, saves pipeline cost and installation period is short;Condensation heat recovery device is mounted on gating location, carries out heating treatment to material using other dehumidifying heat pump condensation heats, drying efficiency is influenced smaller by ambient temperature.
Description
【Technical field】
The utility model relates to drying device field, specially a kind of closed heat pump condensing units drying system.
【Background technique】
Closed heat pump low temperature band drier (low temperature desiccation) because its without foul smell discharge, drying process it is highly-safe and section
The advantages that energy property is good, currently on the market using relatively broad.
Heat pump low temperature belt drying is because using closed drying mode, and system must outwardly discharge pressure in dry operational process
The waste heat converted after the acting of contracting machine.The waste heat of discharge generally uses water-cooled cooling, and condensation heat wind cooling temperature lowering mode handles, needs to increase
Add additional energy.In existing equipment, do not efficiently used for above-mentioned waste heat, and discharge waste heat taste it is higher (water temperature or
The temperature of wind-warm syndrome is higher).
In order to solve above-mentioned technological deficiency, occurs multiple-effect Condensation Heat Recovery Technology in the market.Multiple-effect condensing units skill
Art carries out recuperation of heat using condensation heat after heat pump compressor acting and material is dried, so that the operational process electricity charge are saved,
25% or more power consumption can be saved and save the cost of heat pump low temperature belt drying system, application value with higher simultaneously.But
It is that conventional heat pump low temperature belt drying technology has the following problems at present:(1) waste heat converted after compressor work directs out
Boundary's discharge, utilizes without recuperation of heat;(2) energy consumption is higher;(3) cooling system is more complex, pipeline is more and installation workload is big;(4)
Because of structure, component is more and cost is higher.
【Utility model content】
The purpose of the utility model is to overcome deficiency existing for prior art described above, provide it is a kind of it is energy-efficient,
Structure simply saves, the closed heat pump condensing units drying system of not no peculiar smell discharging.
In order to achieve the above objectives, the technical solution of the utility model utility model is:Closed heat pump condensing units are dry
Drying system, including at least a set of dehumidifying heat pump module and a set of condensing units module;The condenser of the dehumidifying heat pump module
The air-supply oral area of the condensing units module is set.
The dehumidifying heat pump module includes at least one refrigerant submodule and an air submodule, the refrigeration jizi for making dumplings
Module includes condenser, evaporator and compressor, and the compressor outlet is connect with the entrance of the condenser, the condenser
Outlet connect with the entrance of the evaporator by expansion valve, the outlet of the evaporator is connect with the suction port of compressor;
The air submodule includes air inlet pipe and regenerator, and blast pipe is connect by heat exchanger with the hot side of the regenerator, described
The hot side of regenerator is connect by air hose with evaporator, and the evaporator is connected by the cold side of air hose and regenerator, regenerator
Cold side is connect by air hose with the condenser, and the air that condenser comes out is led to air outlet.
The dehumidifying heat pump module includes two refrigerant submodules and an air submodule, the refrigerant submodule
Be made of level-one refrigeration module and second level refrigeration module, the level-one refrigeration module include first-stage condenser, level-one evaporator and
Compressor, the compressor outlet are connect with the entrance of the first-stage condenser, and the outlet of the first-stage condenser passes through expansion
Valve is connect with the entrance of the level-one evaporator, and the outlet of the level-one evaporator is connect with the entrance of the compressor;It is described
Second level refrigeration module includes secondary condenser, secondary evaporimeter and compressor, the compressor outlet and the secondary condenser
Entrance connection, the outlet of the secondary condenser connect by expansion valve with the entrance of the secondary evaporimeter, the second level
The outlet of evaporator is connect with the entrance of the compressor.
Condensing units module includes at least a condensing units unit, at least one is attached for the condensing units unit
Add condenser and a regenerator, blast pipe is connect with the hot side of the regenerator, the hot side of the regenerator by air hose with
Additional condenser connection, the additional condenser are connected by the cold side of air hose and regenerator, regenerator cold side by air hose with
The condenser connection, condensator outlet are connect with air outlet;The additional condenser is connect with cooling cycle pipe.
The heat recovery module is made of two condensing units units, and adding for two condensing units units is cold
Condenser is to be connected in series, and connect with cooling cycle pipe.
The dehumidifying heat pump module is economic benefits and social benefits dehumidifying heat pump module, by the first dehumidifying heat pump module and the second dehumidifying heat pump mould
Block is combined into;Wherein the first condenser of the first dehumidifying heat pump module is mounted on the air-supply oral area of the condensing units module.
Circulated air unit is installed on first condenser of the second dehumidifying heat pump module, is used to form internal gas heat exchange
Circulation.
Shell including sealing is set to the intracorporal several economic benefits and social benefits dehumidifying heat pump modules of shell and condensing units module;It is cold
Solidifying heat recovery module is set to the feed end of shell, for preheating using waste heat of condensation to feed inlet wet feed, avoids drying
Process is influenced (ambient temperature influence) by wet feed original temperature.
Heat exchanger is connected between the evaporator and compressor.
Filter is set between the heat exchanger and the expansion valve.
Compared with prior art, the utility model has the following advantages:Wet-out property ratio can achieve every degree electricity water removal about 4-
5kg can save energy 25% or more;Cooling water pipeline only concentrates on condensation heat recovery device, saves pipeline cost and installation period
It is short;Condensation heat recovery device is mounted on gating location, carries out heating treatment to material using other dehumidifying heat pump condensation heats, does
Dry efficiency is influenced smaller by ambient temperature.
【Detailed description of the invention】
Fig. 1 is the process principle figure of the closed heat pump condensing units drying system of the utility model;
Fig. 2 is the process principle of the condensing units module of the closed heat pump condensing units drying system of the utility model
Figure;
Fig. 3 is the process principle of the dehumidifying heat pump module of the closed heat pump condensing units drying system of the utility model
Figure;
Fig. 4 is the overall construction schematic diagram of the closed heat pump condensing units drying system of the utility model.
【Specific embodiment】
The utility model is described in detail below in conjunction with the drawings and specific embodiments.
Closed heat pump condensing units drying system, as shown in Figs 1-4, including at least a set of 33 He of dehumidifying heat pump module
A set of condensing units module 44.Sending for the condensing units module 44 is arranged in the condenser of the dehumidifying heat pump module 33
Air port portion.The waste heat converted after compressor work in heat transfer process in the heat pump module 33 that dehumidifies is subjected to recuperation of heat utilization, simultaneously
So that condensing units module 44 is reduced the process of compressor work heat exchange, can effectively carry out heat recovery and utilization, and can be with
Reduce compressor work circulation, energy conservation and reduction manufacturing cost.The dehumidifying heat pump module may include two refrigerant submodules
Block and an air submodule, the refrigerant submodule are made of level-one refrigeration module and second level refrigeration module, the level-one
Refrigeration module includes first-stage condenser 1, level-one evaporator 4 and compressor 18, and the outlet of compressor 18 is condensed with the level-one
The entrance of device 1 connects, and the outlet of the first-stage condenser 1 is connect by expansion valve 23 with the entrance of the level-one evaporator 4, institute
The outlet for stating level-one evaporator 4 is connect with the entrance of the compressor 18;The second level refrigeration module include secondary condenser 2,
Secondary evaporimeter 3 and compressor 18, the outlet of compressor 18 are connect with the entrance of the secondary condenser 2, and the second level is cold
The outlet of condenser 2 is connect by expansion valve 23 with the entrance of the secondary evaporimeter 2, the outlet of the secondary evaporimeter 3 and institute
State the entrance connection of compressor 18;The blast pipe of the air submodule passes through air filter 9 and first regenerator 5
The hot side of hot side connection, the first regenerator 5 is connect by air hose with level-one evaporator 4 and secondary evaporimeter 3, the level-one evaporation
Device 4 and secondary evaporimeter 3 are connect by air hose with the cold side of the first regenerator 5,5 cold side of the first regenerator pass through air hose with it is described
Secondary condenser 2 connects, and the air that secondary condenser 2 comes out is led to air outlet, and pressure fan 15 is arranged in the air outlet.Institute
State connection heat exchanger 17 between evaporator (level-one evaporator 4 and secondary evaporimeter 3) and compressor 18.The heat exchanger 17
Filter 19 is set between the expansion valve 23.
The dehumidifying heat pump module 33 is economic benefits and social benefits dehumidifying heat pump module, by the first dehumidifying heat pump module and the second dehumidifying heat pump
Block combiner at.First dehumidifying heat pump module and the second dehumidifying heat pump module structure are the same.Wherein the first dehumidifying heat pump module
First condenser 1 is mounted on the air-supply oral area of the condensing units module 44.The first of the second dehumidifying heat pump module is cold
Circulated air unit 16 is installed on condenser 1, is used to form internal gas heat exchange cycle.
Condensing units module 44 include at least a condensing units unit, the condensing units unit at least one
Additional condenser 8 and a regenerator 5, blast pipe are connect with the hot side of the regenerator 5, and the hot side of the regenerator 5 passes through
Air hose is connect with additional condenser 8, and the additional condenser 8 is connect by air hose with the cold side of regenerator 5,5 cold side of regenerator
It is connect by air hose with the condenser, condensator outlet is connect with air outlet;The additional condenser 8 and cooling cycle Guan Lian
It connects, the cooling cycle pipe setting forms cooling cycle by cooling water inlet and cooling water outlet.Preferably, the recuperation of heat
Module 44 is made of two condensing units units, and the additional condenser 8 of two condensing units units is to be connected in series,
And it is connect with cooling cycle pipe.The first-stage condenser of several dehumidifying heat pump modules 33 is respectively arranged at the condensing units unit
Air outlet end.
As shown in figure 4, closed heat pump condensing units drying system includes the shell 55 of sealing, is set in shell 55
Several economic benefits and social benefits dehumidifying heat pump module 33 and condensing units module 44.Preferably, condensing units module 44 is set to shell
55 feed end 20 avoids drying process by wet feed original temperature for preheating using waste heat of condensation to feed inlet wet feed
Influence (ambient temperature influence).Belt drying device is set in the shell 55, for the material in shell 55
Carry out low temperature drying.
The shell 55 includes bracket and insulation board, and the insulation board is mounted on outside bracket, forms internal closed space.Institute
The insulation layer thickness of insulation board is stated not less than 25mm, inner plating is that should have the good hot-dip galvanizing sheet steel of Corrosion Protection, aluminium sheet
Or stainless steel plate.The bracket should be using structural section, sheet metal processing or aluminium alloy extrusions.Instrument is provided on the shell 55
Disk, with the operating status of equipment each during monitoring work.Dry room temperature can be set on instrument board, humidity, gone out
One's intention as revealed in what one says temperature, power supply instruction, compressor operation, fan operation, accessory fan operation, instruction setting operation, stop button, blower hand
The parameters such as dynamic, automatic button indicating fault and reset are shown.It is provided with control cabinet in bracket and shell, can be set in control cabinet
Including the control functions module such as compressor, blower heavy-current control device and dehumidifying, refrigeration, heating, ventilation.
The regenerator 5 is plate-fin recuperator, i.e. fin type heat exchanger.Plate-fin recuperator is by partition, fin, envelope
Item, flow deflector composition, place fin between adjacent separator and flow deflector forms interlayer, and interlayer is stacked, are brazed into one
Whole composition plate beam is equipped with necessary end socket support.Fin can be plain fin, saw tooth fin, perforated fin, ripple wing
Piece.Evaporator is finned tube evaporator.Finned tube evaporator is made of base tube and fin, and fin is mounted on base tube;Base
Pipe uses bronzing pipe or inner screw thread copper pipe;Fin is sun-roof for corrugated plate, the sun-roof or ripple of aluminium or copper product.Condenser
For fin-tube heat exchanger;Fin-tube heat exchanger is made of base tube and fin, and fin is mounted on base tube;Base tube uses bronzing
Pipe or inner screw thread copper pipe;Fin is sun-roof for corrugated plate, the sun-roof or ripple of aluminium or copper product.Bracket in shell heat preservation
It should be using structural section, sheet metal processing or aluminium alloy extrusions;Shell can be the composite insulation boards for having thermal insulation property, keep the temperature thickness
Degree is not less than 25mm, or composite plate inner plating should have the good hot-dip galvanizing sheet steel of Corrosion Protection, aluminium sheet or stainless steel
Plate.Partition can be using galvanized sheet or the aluminium sheet production of good corrosion resistance.Drip tray can be using corrosion-resistant aluminium sheet or not
Become rusty steel plate;Hot galvanized steel pipe or stainless steel tube can be used by condensing water discharge spout, and have trap setting.First-stage condenser can
To be using shell-tube type, brazing-sheet type or bushing type, Water flow-path is considered as corrosion resistance.
The waste heat that the utility model converts after doing work to heat pump low temperature belt drying (low temperature desiccation) process compresses machine carries out
Thermal recovery meets closed water cooling requirement with condensation heat recuperation of heat is concentrated;It can save and run electricity in heat pump low temperature belt drying
Consumption saves 20% or more power consumption;Minimum a set of heat pump system is saved, simplified cooling system structure facilitates device context to install, and saves
About installation cost;Feed inlet wet feed is preheated using waste heat of condensation, drying process is avoided to be influenced by wet feed original temperature
(ambient temperature influence).
The each medium process principle of the utility model is as follows:
One, (refrigerant includes inorganic compound, fluoride pure refrigerant, hydrocarbon or mixing to refrigerant flow circuit principle
Refrigerant)
1.1 No. 1 primary refrigerant processes:The high temperature and pressure overheat dielectric gas that No. 1 stage compressor comes out is through No. 1 one
Saturation or subcooled liquid are formed after grade wind cooling condenser, then saving through No. 1 level-one can device, No. 1 grade one filter, No. 1 one-stage expansion
Valve (heating power or electric expansion valve), medium becomes low pressure gas, liquid mixture, then saves energy through No. 1 level-one evaporator, No. 1 level-one
Low-temp low-pressure overheated gas is formed after device to return in No. 1 stage compressor.
1.2 No. 1 secondary refrigerant processes:The high temperature and pressure overheat dielectric gas that No. 1 split-compressor comes out is through No. 1 two
Saturation or subcooled liquid are formed after grade condenser, then saving through No. 1 second level can device, No. 1 secondary filter, No. 1 compound expansion valve
(heating power or electric expansion valve), medium form low pressure gas, liquid mixture, then save energy device through No. 1 secondary evaporimeter, No. 1 second level
Low-temp low-pressure overheated gas is formed afterwards returns to No. 1 split-compressor.
2.1 No. 2 primary refrigerant processes:The high temperature and pressure overheat dielectric gas that No. 2 stage compressors come out is through No. 2 one
Become saturation or subcooled liquid after grade condenser, then saving through No. 2 level-ones can device, No. 2 grade one filters, No. 2 one-stage expansion valves
(heating power or electric expansion valve) forms low pressure gas, liquid mixture afterwards, then the shape after No. 2 level-one evaporators, No. 2 level-ones save energy device
At returning to No. 2 stage compressors after low-temp low-pressure overheated gas.
2.2 No. 2 secondary refrigerant processes:The high temperature and pressure overheat dielectric gas that No. 2 split-compressors come out is through No. 2 two
Become saturation or subcooled liquid after grade condenser, then saving through No. 2 second levels can device, No. 2 secondary filters, No. 2 compound expansion valves
(heating power or electric expansion valve) forms low pressure gas, liquid mixture afterwards, then saves energy device through No. 2 secondary evaporimeters, No. 2 second levels and is formed
No. 2 split-compressors are returned to after low-temp low-pressure overheated gas.
Two, air flow principle
1.1 No. 1 air flows (dehumidifying wind circulation):Hothouse return air flows through main air filter, secondary air filtering
Device enters No. 1 regenerator cooling side, then returns to No. 1 regenerator heating side by No. 1 level-one evaporator, No. 1 secondary evaporimeter,
Then hothouse is returned under the driving of No. 1 main air blower by No. 1 secondary condenser.
1.2 No. 2 air flows (dehumidifying wind circulation):Hothouse return air flows through main air filter, secondary air filtering
Device enters No. 2 regenerators cooling sides, then returns to No. 2 regenerators heating sides by No. 2 level-one evaporators, No. 2 secondary evaporimeters,
Then hothouse is returned under the driving of No. 2 main air blowers by No. 2 secondary condensers.
1.3 circulated airs circulation:Hothouse return air flows through No. 2 first-stage condensers, circulating fans, subsequently into hothouse.
Three, dried medium (air etc.) process:Air inlet is damp-heat air, is cooled down by plate-fin recuperator hot side,
Then it carries out level-one by level-one evaporator to cool down to form condensed water, then cooling down by secondary evaporimeter progress second level, it is solidifying to be formed
It bears water, heats up by plate-fin recuperator cold side, then by secondary condenser outlet air under main air blower driving.
As described above, the only preferred embodiment of the utility model is real when that cannot limit the utility model with this
The range applied, i.e., generally according to simple equivalence changes made by present utility model application the scope of the patents and utility model description
With modification, all still belong in the range of the utility model patent covers.
Claims (10)
1. closed heat pump condensing units drying system, which is characterized in that including at least a set of dehumidifying heat pump module and a set of
Condensing units module;The air-supply oral area of the condensing units module is arranged in the condenser of the dehumidifying heat pump module.
2. closed heat pump condensing units drying system according to claim 1, which is characterized in that condensing units mould
Block includes at least a condensing units unit, described at least one additional condenser of condensing units unit and a backheat
Device, blast pipe are connect with the hot side of the regenerator, and the hot side of the regenerator is connect by air hose with additional condenser, described
Additional condenser is connected by the cold side of air hose and regenerator, and regenerator cold side is connect by air hose with the condenser, is condensed
Device outlet is connect with air outlet;The additional condenser is connect with cooling cycle pipe.
3. closed heat pump condensing units drying system according to claim 2, which is characterized in that the recuperation of heat mould
Block is made of two condensing units units, and the additional condenser of two condensing units units is series connection, and with
The connection of cooling cycle pipe.
4. the closed heat pump condensing units drying system according to claim 2 or 3, which is characterized in that described to remove
Damp and hot pump module includes at least one refrigerant submodule and an air submodule, and the refrigerant submodule includes condensation
Device, evaporator and compressor, the compressor outlet are connect with the entrance of the condenser, and the outlet of the condenser passes through swollen
Swollen valve is connect with the entrance of the evaporator, and the outlet of the evaporator is connect with the suction port of compressor;The air submodule
Block includes air inlet pipe and regenerator, and blast pipe is connect by heat exchanger with the hot side of the regenerator, the hot side of the regenerator
It is connect by air hose with evaporator, the evaporator is connected by the cold side of air hose and regenerator, and regenerator cold side passes through air hose
It is connect with the condenser, the air that condenser comes out is led to air outlet.
5. closed heat pump condensing units drying system according to claim 4, which is characterized in that the dehumidifying heat pump
Module includes two refrigerant submodules and an air submodule, and the refrigerant submodule is by level-one refrigeration module and second level
Refrigeration module composition, the level-one refrigeration module includes first-stage condenser, level-one evaporator and compressor, the compressor outlet
It is connect with the entrance of the first-stage condenser, outlet the entering by expansion valve and the level-one evaporator of the first-stage condenser
Mouth connection, the outlet of the level-one evaporator is connect with the entrance of the compressor;The second level refrigeration module includes that second level is cold
Condenser, secondary evaporimeter and compressor, the compressor outlet are connect with the entrance of the secondary condenser, the B-grade condensation
The outlet of device is connect by expansion valve with the entrance of the secondary evaporimeter, the outlet of the secondary evaporimeter and the compressor
Entrance connection.
6. closed heat pump condensing units drying system according to claim 5, which is characterized in that the dehumidifying heat pump
Module is economic benefits and social benefits dehumidifying heat pump module, is combined by the first dehumidifying heat pump module and the second dehumidifying heat pump module;Wherein first remove
First condenser of damp and hot pump module is mounted on the air-supply oral area of the condensing units module.
7. closed heat pump condensing units drying system according to claim 6, which is characterized in that second dehumidifying
Circulated air unit is installed on the first condenser of heat pump module, is used to form internal gas heat exchange cycle.
8. closed heat pump condensing units drying system according to claim 4, which is characterized in that in the evaporator
Heat exchanger is connected between compressor.
9. closed heat pump condensing units drying system according to claim 4, which is characterized in that in the heat exchange
Filter is set between device and the expansion valve.
10. closed heat pump condensing units drying system according to claim 7, which is characterized in that including sealing
Shell is set to the intracorporal several economic benefits and social benefits dehumidifying heat pump modules of shell and condensing units module;Condensing units module is set to
The feed end of shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820594756.7U CN208170980U (en) | 2018-04-23 | 2018-04-23 | Closed heat pump condensing units drying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820594756.7U CN208170980U (en) | 2018-04-23 | 2018-04-23 | Closed heat pump condensing units drying system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208170980U true CN208170980U (en) | 2018-11-30 |
Family
ID=64370765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820594756.7U Active CN208170980U (en) | 2018-04-23 | 2018-04-23 | Closed heat pump condensing units drying system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208170980U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108679996A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Closed heat pump condensing units drying system |
-
2018
- 2018-04-23 CN CN201820594756.7U patent/CN208170980U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108679996A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Closed heat pump condensing units drying system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107014198B (en) | The quadruple effect removal moisture drying system of temperature controllable | |
CN106766375B (en) | Automatic thermostatic dehumidifying device | |
CN201242340Y (en) | Novel heat pump dehumidification drier | |
CN206362155U (en) | The quadruple effect of temperature controllable removes drying device | |
CN201811551U (en) | Novel multifunctional dehumidifying dryer | |
CN104034145A (en) | Dehumidifying device of heat pump | |
CN202973357U (en) | Modular type heat pump dehumidifying and drying machine | |
CN108679747A (en) | A kind of fresh air dehumidification air-conditioning system | |
CN107763877A (en) | A kind of Jing Yin air-cooled heat-pump air-conditioner group | |
WO2022057794A1 (en) | Efficient multi-stage drying system | |
CN208170980U (en) | Closed heat pump condensing units drying system | |
CN208832629U (en) | A kind of low-temperature cold water unit | |
CN201811369U (en) | Triple-effect heat pump dehumidification dryer | |
CN108679996A (en) | Closed heat pump condensing units drying system | |
CN203940718U (en) | Heat pump dehydrating unit | |
CN206670121U (en) | Automatic thermostatic dehumidifying device | |
CN209639338U (en) | A kind of freezer water-cooled all-in-one machine | |
CN210123208U (en) | Water-cooling screw type water chiller | |
CN207831811U (en) | It is a kind of can block combiner recovery type heat dehumidifying heat pump | |
CN210220562U (en) | Tunnel type composite heat pump dehumidification drying system with heat pipe heat recovery function | |
CN210036199U (en) | Energy-saving heat pump drying system | |
CN113446755A (en) | Double-source integrated air source heat pump unit with total heat recovery | |
CN219494265U (en) | Efficient heat exchanger structure for dehumidifier | |
CN215337596U (en) | Heat pump drying system with precooling heat exchanger | |
CN220648821U (en) | Efficient dehumidification module of closed-loop dehumidification heat pump dryer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |