CN209310455U - A kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated - Google Patents

A kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated Download PDF

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Publication number
CN209310455U
CN209310455U CN201821985420.XU CN201821985420U CN209310455U CN 209310455 U CN209310455 U CN 209310455U CN 201821985420 U CN201821985420 U CN 201821985420U CN 209310455 U CN209310455 U CN 209310455U
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outlet
import
drying
outdoor
valve
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伍晓锋
李书明
刘寅
张莱林
张磊
李少庆
高龙
闫俊海
孟照峰
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Henan Sino Swiss Refrigeration Technology Co Ltd
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Henan Sino Swiss Refrigeration Technology Co Ltd
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Abstract

The utility model discloses a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, including baking room, heat pump drying subsystem and drying air circulation subsystem;Heat pump drying subsystem includes compressor, main condenser, indoor evaporator, outdoor heat exchanger, liquid storage device, device for drying and filtering and gas-liquid separator;Drying air circulation subsystem includes air outlet, the return air inlet being connected with baking room by air duct, and main condenser is arranged in the position of corresponding return air inlet, breeze fan is equipped at air outlet;Return air inlet includes bypass air duct and dehumidifying air duct, and heat exchange of heat pipe evaporator section is successively passed through in air duct by baking room, heat exchange of heat pipe condensation segment is connected to main condenser position for dehumidifying;It bypasses air duct and main condenser position is connected to by baking room.Utility model works are high-efficient, structure is simple, small in size, work is more stable, have the function of that open type and two kinds of enclosed, system heating rate still dehumidify fastly, during defrost.

Description

A kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated
Technical field
The utility model relates to drying equipment technologies, and in particular to a kind of composition open and close formula heat pump being rapidly heated is dry Drying system.
Background technique
Currently, common heat pump drying device is divided into open circulation heat pump drying device in the market and closed cycle heat pump is dry Dry device.Open circulation heat pump drying device is absorbed heat using evaporator in outdoor environment, and baking is heated using the heat of condenser The material of stove room, temperature humidity reaches setting value in room to be dried, and outdoor, supplement one is discharged in the air of a part of high temperature and humidity Partially new air is usually provided with air heat recovery device to recycle the heat of a part discharge air.Closed cycle heat pump is dry Dry device makes circulation air cool down and condensate moisture therein is discharged using evaporator, then is heated to air by condenser Required temperature is sent into baking room, to achieve the purpose that removal moisture drying, the friendship of air heat is usually provided with before and after evaporator Parallel operation carries out heat recovery.
Two kinds of heat pump drying devices cut both ways: open type heat pump drying device heating rate is fast, but heat during hydrofuge Lose larger, outdoor air can pollute material drying, and in low ambient temperature, heat decay is larger, frequent defrost is even unable to work Make, baking room temperature reduces more during defrost;Enclosed heat pump drying device effect on moisture extraction is good, material is not contaminated, but rises Warm speed is too slow, fully relies on electric heating and heats up, energy consumption is higher.It is single to be filled using the heat pump drying of open type or closed cycle It sets, is extremely difficult to ideal drying effect.
Chinese invention patent 201710397924.3 discloses a kind of enclosed hydrofuge and the hot air combined heat pump used of open type Tobacco leaf drying room still remains using a large amount of air-valves and switches air duct to realize open type or closed cycle, and air duct is complicated, causes to fill It is many and diverse to set structure, shape is heavy.Chinese utility model patent 201720735728.8 discloses a kind of Open-closed-loop heat pump dryer Group flows to realize open type or closed cycle, system noenergy recyclable device, moisture removal using electromagnetism Vavle switching refrigeration system It is low.Chinese invention patent 201810116543.8 discloses a kind of open type air and can dehumidify with enclosed difunctional air source heat pump Dryer, heat reclaim unit use air heat regenerator, and it is complicated, bulky to still remain air duct.The most key be with When using open circulation heating, do not solve frequent defrost, defrost existing for traditional open circulation causes to dry upper three patents The problem of heat that stove room temperature is greatly reduced and the later stage of drying system is extra can not discharge.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, Work efficiency is high for it, structure is simple, small in size, work is more stable, has the function of open type and two kinds of enclosed, system heating rate Fastly, it still dehumidifies during defrost.
In order to solve the above technical problems, the utility model adopts the following technical solution:
Design a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, including baking room, heat pump drying subsystem and Dry air circulation subsystem;
The heat pump drying subsystem includes compressor, main condenser, indoor evaporator, outdoor heat exchanger, liquid storage device, does Dry filter and gas-liquid separator;The outdoor heat exchanger includes outdoor fan, outdoor evaporator and outdoor condenser;The pressure The exhaust outlet of contracting machine is connected with the import of the main condenser and the import of outdoor condenser respectively, and the main condenser goes out Mouthful and the outlet of outdoor condenser be connected respectively with the import of the liquid storage device, the compressor and outdoor condenser it Between, between compressor and main condenser be respectively equipped with the 4th solenoid valve and the 5th solenoid valve;The outlet and drying of the liquid storage device The import of filter is mutually connected, and the outlet of the device for drying and filtering passes sequentially through the first expansion valve and the first solenoid valve is connected to The import of the indoor evaporator;The outlet of the device for drying and filtering passes sequentially through the first expansion valve and second solenoid valve is connected to The import of the indoor evaporator;The outlet of the indoor evaporator is connected with the import of the gas-liquid separator, the room The outlet of outer evaporator is connected to the import of the gas-liquid separator by check valve;The outlet of the gas-liquid separator with it is described The air entry of compressor is connected;
The drying air circulation subsystem includes air outlet, the return air inlet being connected with the baking room by air duct, The position of the correspondence return air inlet is arranged in the main condenser, and breeze fan is equipped at the air outlet;The interior steaming Hair device includes heat exchange of heat pipe evaporator section and heat exchange of heat pipe condensation segment, and the return air inlet includes bypassing air duct and dehumidifying air duct, The position in the correspondence dehumidifying air duct is arranged in the heat exchange of heat pipe evaporator section, and the dehumidifying air duct is successively passed through by baking room Heat exchange of heat pipe evaporator section, heat exchange of heat pipe condensation segment are connected to the main condenser position;The bypass air duct is by drying Stove room is connected to the main condenser position.
Preferably, first solenoid valve and second solenoid valve are substituted using No. two triple valves, first expansion valve Outlet is connected with the import of No. two triple valves;The first outlet of No. two triple valves is connected with the import of indoor evaporator It is logical;The second outlet of No. two triple valves is connected with the import of outdoor evaporator.
Preferably, the heat pump drying subsystem further includes economizer, and the outlet of the device for drying and filtering passes through the second electricity Magnet valve is connected to the first import of the economizer;Pass through third electricity between the second solenoid valve and the second import of economizer Magnet valve is connected with third expansion valve;The first outlet of the economizer passes through the import phase of the second expansion valve and outdoor evaporator Connection;The second outlet of the economizer is connected with the puff prot of compressor;The outlet of the device for drying and filtering passes sequentially through First solenoid valve and the first expansion valve are connected to the import of the indoor evaporator.
Preferably, the heat pump drying subsystem further includes economizer, and connection type is different: the device for drying and filtering Outlet is directly connected to the first import of the economizer, and the outlet of the device for drying and filtering also passes through third solenoid valve and third Expansion valve is connected with the second import of economizer;The first outlet of the economizer passes through second solenoid valve and the second expansion valve It is connected with the import of outdoor evaporator;The first outlet of the economizer also passes through the first solenoid valve and the connection of the first expansion valve To the import of the indoor evaporator;The second outlet of the economizer is connected with the puff prot of compressor.
It preferably, further include control subsystem, the control subsystem includes the return air being arranged in the dehumidifying air duct The environment temperature sensor of outdoor heat exchanger position, and setting is arranged in temperature sensor, return air humidity sensor Electric heater between the main condenser and breeze fan.
Preferably, the heat exchanger tube arranged crosswise of the outdoor evaporator and outdoor condenser, shares heat exchange fin.
Preferably, it is respectively equipped between the compressor and main condenser, between the outdoor condenser and liquid storage device Check valve;The 4th solenoid valve is additionally provided between the compressor and outdoor condenser.
Preferably, the breeze fan, outdoor fan are axial flow blower or centrifugal blower.
Preferably, the compressor is scroll compressor or rotor-type compressor.
Preferably, first expansion valve, the second expansion valve, third expansion valve are heating power expansion valve or electric expansion valve.
Preferably, the economizer is plate heat exchanger or flash evaporation.
The utility model has the beneficial effects that:
1. the utility model uses open and close type combination, the phase makes material be rapidly heated using open circulation before it is dried, It is switched to closed cycle after reaching set temperature, effect on moisture extraction is good, circulation air closed circulation, and material is not contaminated.Dry The extra heat of system is discharged condenser outside dry later-stage utilization room, keeps baking room temperature constant.
2. the utility model creatively combines outdoor evaporator and outdoor condenser, the two heat exchanger tube arranged crosswise, Share heat exchange fin, when the stage of being rapidly heated reaches defrost condition at low ambient temperatures, using the heat of outdoor condenser come The frost layer of outdoor evaporator is removed, baking room inner circulating air is still dehumidifying during defrosting, baking room temperature fluctuation It is small, realize energy all of, thoroughly solve defrost during traditional open circulation defrosting be not thorough, baking room temperature it is big The problem of width reduces.
Detailed description of the invention
Fig. 1 is the structure principle chart of the heat pump drying subsystem in the utility model embodiment 1;
Fig. 2 is that the overall structure for the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in the utility model embodiment 1 is former Reason figure;
Fig. 3 is the structure principle chart of the heat pump drying subsystem in the utility model embodiment 2;
Fig. 4 is that the overall structure for the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in the utility model embodiment 2 is former Reason figure;
Fig. 5 is the structure principle chart of the heat pump drying subsystem in the utility model embodiment 3;
Fig. 6 is that the overall structure for the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in the utility model embodiment 3 is former Reason figure;
Fig. 7 is the structure principle chart of the heat pump drying subsystem in the utility model embodiment 4;
Fig. 8 is that the overall structure for the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in the utility model embodiment 4 is former Reason figure;
Fig. 9 is to substitute the heat pump drying subsystem after the 4th solenoid valve and the 5th solenoid valve in Fig. 1 using No.1 triple valve Structure principle chart;The structure principle chart of heat pump drying subsystem.
Figure label: 1 compressor, 2 main condensers, 21 breeze fans, 3 indoor evaporators, 4 outdoor heat exchangers, outside Room 41 Blower, 42 outdoor evaporators, condenser outside Room 43,5 liquid storage devices, 6 devices for drying and filtering;71 first solenoid valves, 72 second solenoid valves, 73 third solenoid valves, 74 the 4th solenoid valves, 75 the 5th solenoid valves;81 first expansion valves, 82 second expansion valves, the expansion of 83 thirds Valve, 9 economizers, 10 No. two triple valves, the first outlet of No. bis- triple valves of a, the second outlet of No. bis- triple valves of b;11 gas-liquids point From device, 12 check valves, 13 electric heaters, 14 return air temperature sensors, 15 return air humidity sensors, 16 environment temperature sensors, 17 No.1 triple valves, c are the first outlet of No.1 triple valve, and d is the second outlet of No.1 triple valve;100 be baking room, 101 Air outlet, 102 return air inlets, 103 bypass air ducts, 104 dehumidifying air ducts, 111 heat exchange of heat pipe condensation segments, 112 heat exchange of heat pipes steam Send out section.
Wherein, the arrow in Fig. 1,3,5,7,9 show the loop direction of refrigerant;In Fig. 2,4,6,8 in baking room Arrow show the loop direction of drying air.
Specific embodiment
Illustrate specific embodiment of the present utility model below with reference to embodiment, but following embodiment is used only in detail Illustrate the utility model, does not limit the scope of the utility model in any way.Related equipment in the examples below Element is conventional equipment element unless otherwise instructed.
Embodiment 1: as shown in Figure 1, 2, a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, including baking room 100, heat pump drying subsystem, drying air circulation subsystem and control subsystem.
Heat pump drying subsystem include compressor 1, main condenser 2, indoor evaporator 3, outdoor heat exchanger 4, liquid storage device 5, Device for drying and filtering 6, gas-liquid separator 11 and economizer 9;Outdoor heat exchanger 4 includes outdoor fan 41, outdoor evaporator 42 and room External condenser 43;The exhaust outlet of compressor 1 is connected with the import of main condenser 2 and the import of outdoor condenser 43 respectively, main The outlet of condenser 2 and the outlet of outdoor condenser 43 are connected with the import of liquid storage device 5 respectively, cold in compressor 1 and outdoor The 4th solenoid valve 74 and the 5th solenoid valve 75 are respectively equipped between condenser 43, between compressor 1 and main condenser 2.Liquid storage device 5 Outlet is mutually connected with the import of device for drying and filtering 6, and the outlet of device for drying and filtering 6 passes sequentially through the first expansion valve 81 and the first electricity Magnet valve 71 is connected to the import of indoor evaporator 3;The outlet of device for drying and filtering 6 passes sequentially through the first expansion valve 81 and the second electromagnetism Valve 72 is connected to the import of indoor evaporator 3;The outlet of indoor evaporator 3 is connected with the import of gas-liquid separator 11, outdoor The outlet of evaporator 42 is connected to the import of gas-liquid separator 11 by check valve 12;The outlet of gas-liquid separator 11 and compressor 1 air entry is connected.
The outlet of device for drying and filtering 6 is connected to the first import 91 of economizer by second solenoid valve 72;Second solenoid valve It is connected between 72 and the second import 93 of economizer by third solenoid valve 73 and third expansion valve 83;The first of economizer goes out Mouth 92 is connected by the second expansion valve 82 with the import of outdoor evaporator 42;The second outlet 94 of economizer and compressor 1 Puff prot is connected;The outlet of device for drying and filtering 6 passes sequentially through the first solenoid valve 71 and the first expansion valve 81 is connected to indoor steaming Send out the import of device 3.
Drying air circulation subsystem includes air outlet 101, the return air inlet 102 being connected with baking room 100 by air duct, The position of corresponding return air inlet 102 is arranged in main condenser 2, and breeze fan 21 is equipped at air outlet 101;Indoor evaporator 3 is wrapped Heat exchange of heat pipe evaporator section 112 and heat exchange of heat pipe condensation segment 111 are included, return air inlet 102 includes bypass air duct 103 and dehumidifying air duct 104, heat exchange of heat pipe evaporator section 112 is arranged in the position in corresponding dehumidifying air duct 104, air duct 104 of dehumidifying by baking room 100 successively 2 position of main condenser is connected to by heat exchange of heat pipe evaporator section 112, heat exchange of heat pipe condensation segment 111;Bypass air duct 103 are connected to 2 position of main condenser by baking room 100.
Control subsystem include be arranged in dehumidifying air duct in return air temperature sensor 14, return air humidity sensor 15, if Set the environment temperature sensor 16 in 4 position of outdoor heat exchanger, and setting main condenser 2 and breeze fan 21 it Between electric heater 13.
Check valve is respectively equipped between compressor 1 and main condenser 2, between outdoor condenser 43 and liquid storage device 5;It is pressing The 4th solenoid valve 74 is additionally provided between contracting machine 1 and outdoor condenser 43.
Wherein, the heat exchanger tube arranged crosswise of outdoor evaporator 42 and outdoor condenser 43, shares heat exchange fin.Breeze fan 21, outdoor fan 41 is axial flow blower or centrifugal blower;Compressor 1 is scroll compressor or rotor-type compressor.First is swollen Swollen valve 81, the second expansion valve 82, third expansion valve 83 are heating power expansion valve or electric expansion valve.Economizer 9 is plate heat exchanger Or flash evaporation.
The heat exchanger tube arranged crosswise of outdoor evaporator 42 and outdoor condenser 43, outdoor evaporator 42 and outdoor condenser 43 It can work independently, can also be worked at the same time when needing defrost, the waste heat of system is made full use of to carry out defrost.
The utility model composition open and close formula circulating heat pump drying system, passes through the optimum organization and intelligence of Analysis of Heat Pump Drying System Optimal control is, it can be achieved that multiple-working mode: heating mode, defrosting mode, dehumidification mode, heat extraction mode.When equipment operation, Control system judges automatically operational mode according to the environment temperature that booting detects: heating mode is run in the initial stage, thus Increase temperature in baking room quickly;It is switched to dehumidification mode after reaching set temperature, is maintaining the same of baking room internal temperature Shi Liyong evaporator dehumidifies, and condensate moisture device is simultaneously discharged;It needs to automatically switch to defrosting mould when defrost in temperature-rise period Formula, defrosting still keep dehumidifying simultaneously;And humidity excessive in later period system thermal automatically switches to row when also not reaching setting value Heat pattern.
The workflow of the multiple-working mode of the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in embodiment 1 is such as Under:
(1) heating mode:
First solenoid valve 71 close, second solenoid valve 72 open, third solenoid valve 73 according to according to control require open or It closes, the 4th solenoid valve 74 is closed, the unlatching of the 5th solenoid valve;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation, then successively passes through liquid storage device 5, does It is divided into two-way after dry filter 6, second solenoid valve 72, bypass refrigerant enters third expansion valve 83 by third solenoid valve 73, The gas-liquid two-phase cold-producing medium for becoming middle pressure medium temperature after the throttling of third expansion valve 83, is changed into economizer 9 and main road refrigerant Enter compressor puff prot after heat, after main road refrigerant cools down in economizer 9, becomes low through 82 reducing pressure by regulating flow of the second expansion valve The gas-liquid two-phase cold-producing medium of warm low pressure absorbs outdoor environment atmospheric heat into outdoor evaporator 42, and evaporation becomes the mistake of low pressure Then warm refrigerant steam returns to the air entry of compressor 1, by compressor 1 after gas-liquid separator 11 carries out gas-liquid separation The gaseous refrigerant for becoming high temperature and pressure after compression, starts next circulation.
(2) defrost pattern:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is closed, the 4th solenoid valve 74 is opened, 5th solenoid valve is closed;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 heats outdoor evaporator 42 and carries out the liquid for being condensed into supercooling or saturation while defrost Then refrigerant successively passes through liquid storage device 5, device for drying and filtering 6, the first solenoid valve 71, the first expansion valve 81 again, through the first expansion Valve 81 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure after throttling, entering the room evaporator 3 reduces the temperature of circulation air simultaneously The moisture in circulation air is removed, evaporation becomes the superheated refrigerant steam of low pressure, then carries out gas-liquid through gas-liquid separator 11 The air entry that compressor 1 is returned to after separation becomes the gaseous refrigerant of high temperature and pressure after the compression of compressor 1, starts next A circulation.
(3) dehumidification mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is closed, the 4th solenoid valve 74 is closed, 5th solenoid valve is opened;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation;Successively pass through liquid storage device 5 again, do Dry filter 6, the first solenoid valve 71, the first expansion valve 81 become the gas-liquid two of low-temp low-pressure after the throttling of the first expansion valve 81 Phase refrigerant, entering the room evaporator 3 reduces the temperature of circulation air while removing the moisture in circulation air, and evaporation becomes low Then the superheated refrigerant steam of pressure returns to the air entry of compressor 1, through over-voltage after gas-liquid separator 11 carries out gas-liquid separation Contracting machine 1 becomes the gaseous refrigerant of high temperature and pressure after compressing, start next circulation.
(4) heat extraction mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is closed, the 4th solenoid valve 74 is opened, 5th solenoid valve is closed;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 radiates under the positive action of outdoor fan 41, the extra heat of discharge system, Refrigerant is condensed into the liquid refrigerant of supercooling or saturation simultaneously, then successively passes through liquid storage device 5, device for drying and filtering 6, first again Solenoid valve 71, the first expansion valve 81 become the gas-liquid two-phase cold-producing medium of low-temp low-pressure, into room after the throttling of the first expansion valve 81 The temperature that interior evaporator 3 reduces circulation air removes the moisture in circulation air simultaneously, and evaporation becomes the superheated refrigerant of low pressure Then steam returns to the air entry of compressor 1 after gas-liquid separator 11 carries out gas-liquid separation, after the compression of compressor 1 at For the gaseous refrigerant of high temperature and pressure, start next circulation.
The workflow of drying air circulation subsystem in embodiment 1 are as follows: the air of the low temperature and high relative humidity between material drying Under the action of circulating fan 21, entered after heat pump drying system by return air inlet 102 and be divided into two parts, portion of air is by removing Wet wind road 104 enters, successively by the pre-cooling of heat exchange of heat pipe evaporator section 112,3 cool-down dehumidification of indoor evaporator, heat exchange of heat pipe Condensation segment 111 mixes after preheating with air of the another part after bypassing air duct 103, through sending after heating using main condenser Wind blower 21, the feeding baking room 100 of air outlet 101, the dry air of heating heating, drying material in baking room 100, simultaneously The moisture in material is taken away, after temperature sensor 14, the humidity sensor 15 being arranged in return air inlet 102 detect, under starting One circulation.
Embodiment 2: a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, as shown in Figure 3,4, including baking room 100, heat pump drying subsystem, drying air circulation subsystem and control subsystem.
Heat pump drying subsystem include compressor 1, main condenser 2, indoor evaporator 3, outdoor heat exchanger 4, liquid storage device 5, Device for drying and filtering 6 and gas-liquid separator 11;Outdoor heat exchanger 4 includes outdoor fan 41, outdoor evaporator 42 and outdoor condenser 43;The exhaust outlet of compressor 1 is connected with the import of main condenser 2 and the import of outdoor condenser 43 respectively, compressor 1 with The 4th solenoid valve 74 and the 5th solenoid valve 75 are respectively equipped between outdoor condenser 43, between compressor 1 and main condenser 2.It is main The outlet of condenser 2 and the outlet of outdoor condenser 43 are connected with the import of liquid storage device 5 respectively;The outlet of liquid storage device 5 and dry The import of dry filter 6 is mutually connected, and the outlet of device for drying and filtering 6 passes sequentially through the first expansion valve 81 and the first solenoid valve 71 connects Pass to the import of indoor evaporator 3;The outlet of device for drying and filtering 6 passes sequentially through the first expansion valve 81 and is connected to second solenoid valve 72 To the import of indoor evaporator 3;The outlet of indoor evaporator 3 is connected with the import of gas-liquid separator 11, outdoor evaporator 42 Outlet the import of gas-liquid separator 11 is connected to by check valve 12;The outlet of gas-liquid separator 11 and the air-breathing of compressor 1 Mouth is connected.
It is same as Example 1 to dry air circulation subsystem, control subsystem.
The workflow of the multiple-working mode of the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in embodiment 2 is such as Under:
(1) heating mode:
First solenoid valve 71 is closed, second solenoid valve 72 is opened, the 4th solenoid valve 74 is closed, and the 5th solenoid valve 75 is opened; Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation, then successively passes through liquid storage device 5, does Dry filter 6 enters the second expansion valve 82, becomes the gas-liquid two-phase cold-producing medium of low-pressure low-temperature after the throttling of the second expansion valve 82, Enter outdoor evaporator 42 by second solenoid valve 72 and absorb outdoor environment atmospheric heat, evaporation becomes the superheated refrigerant of low pressure Then steam returns to the air entry of compressor 1 after gas-liquid separator 11 carries out gas-liquid separation, after the compression of compressor 1 at For the gaseous refrigerant of high temperature and pressure, start next circulation.
(2) defrost pattern:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, the 4th solenoid valve 74 is opened, and the 5th solenoid valve 75 is closed; Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 heats outdoor evaporator 42 and carries out the liquid for being condensed into supercooling or saturation while defrost Then refrigerant successively passes through liquid storage device 5, device for drying and filtering 6, the first expansion valve 81 again, become after the throttling of the first expansion valve 81 For the gas-liquid two-phase cold-producing medium of low-temp low-pressure, 3 refrigerant of evaporator evaporation absorption cycle is entered the room by the first solenoid valve 71 The temperature of air removes the moisture in circulation air simultaneously, and evaporation becomes the superheated refrigerant steam of low pressure, then through gas-liquid point From the air entry for returning to compressor 1 after the progress gas-liquid separation of device 11, become the gaseous state system of high temperature and pressure after the compression of compressor 1 Cryogen starts next circulation.In the course of work of defrost pattern, by closing the 5th solenoid valve 75, so that compressor 1 is discharged High temperature and pressure gaseous refrigerant without main condenser 2, but outdoor condenser 43 is fully entered, so that the speed of defrost Faster.
(3) dehumidification mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, the 4th solenoid valve 74 is closed, and the 5th solenoid valve 75 is opened; Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation;Successively pass through liquid storage device 5 again, do Dry filter 6, the first expansion valve 81 become the gas-liquid two-phase cold-producing medium of low-temp low-pressure after the throttling of the first expansion valve 81, pass through First solenoid valve 71 enters the room evaporator 3 and reduces the temperature of circulation air while removing the moisture in circulation air, and evaporation becomes For the superheated refrigerant steam of low pressure, the air entry of compressor 1, warp are then returned to after gas-liquid separator 11 carries out gas-liquid separation Overcompression machine 1 becomes the gaseous refrigerant of high temperature and pressure after compressing, start next circulation.
(4) heat extraction mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, the 4th solenoid valve 74 is opened, and the 5th solenoid valve 75 is closed; Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 radiates under the positive action of outdoor fan 41, the extra heat of discharge system, Refrigerant is condensed into the liquid refrigerant of supercooling or saturation simultaneously, then successively passes through liquid storage device 5, device for drying and filtering 6, first again Expansion valve 81 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure after the throttling of the first expansion valve 81, by the first solenoid valve 71 into Entering indoor evaporator 3 reduces the temperature of circulation air while removing the moisture in circulation air, and evaporation becomes the overheat system of low pressure Then refrigerant vapour returns to the air entry of compressor 1 after gas-liquid separator 11 carries out gas-liquid separation, compresses by compressor 1 The gaseous refrigerant for becoming high temperature and pressure afterwards, starts next circulation.By closing the 5th electricity in the heat extraction mode course of work Magnet valve 75, so that the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged but fully enters outdoor without main condenser 2 Condenser 43, so that the speed of heat dissipation is faster.
Embodiment 3: a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, as shown in Figure 5,6, including baking room 100, heat pump drying subsystem, drying air circulation subsystem and control subsystem.
Using the first solenoid valve 71 and the second electromagnetism in No. two 10 alternate embodiments 2 of triple valve in heat pump drying subsystem The outlet of valve 72, the first expansion valve 81 is connected with the import of No. two triple valves 10;The first outlet a of No. two triple valves 10 and room The import of interior evaporator 3 is connected;The second outlet b of No. two triple valves 10 is connected with the import of outdoor evaporator 42.Heat pump The structure for drying other parts in subsystem is same as Example 2.
It is same as Example 1 to dry air circulation subsystem, control subsystem.
The workflow of the multiple-working mode of the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in embodiment 3 is such as Under:
(1) heating mode:
The first outlet a of No. two triple valves is closed, the second outlet b of No. two triple valves is opened, the 4th solenoid valve 74 is closed, 5th solenoid valve 75 is opened;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation, then successively passes through liquid storage device 5, does Dry filter 6 enters the second expansion valve 82, becomes the gas-liquid two-phase cold-producing medium of low-pressure low-temperature after the throttling of the second expansion valve 82, Second outlet b through No. two triple valves 10 enters outdoor evaporator 42 and absorbs outdoor environment atmospheric heat, and evaporation becomes low pressure Then superheated refrigerant steam returns to the air entry of compressor 1, by compressor after gas-liquid separator 11 carries out gas-liquid separation The gaseous refrigerant for becoming high temperature and pressure after 1 compression, starts next circulation.
(2) defrost pattern:
The first outlet a of No. two triple valves is opened, the second outlet b of No. two triple valves is closed, the 4th solenoid valve 74 is opened, 5th solenoid valve 75 is closed;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 heats outdoor evaporator 42 and carries out the liquid for being condensed into supercooling or saturation while defrost Then refrigerant successively passes through liquid storage device 5, device for drying and filtering 6, the first expansion valve 81 again, become after the throttling of the first expansion valve 81 For the gas-liquid two-phase cold-producing medium of low-temp low-pressure, the first outlet a through No. two triple valves 10 enters the room the evaporation of 3 refrigerant of evaporator The temperature of absorption cycle air removes the moisture in circulation air simultaneously, and evaporation becomes the superheated refrigerant steam of low pressure, then The air entry that compressor 1 is returned to after gas-liquid separator 11 carries out gas-liquid separation becomes high temperature and pressure after the compression of compressor 1 Gaseous refrigerant, start next circulation.
(3) dehumidification mode:
The first outlet a of No. two triple valves is opened, the second outlet b of No. two triple valves is closed, the 4th solenoid valve 74 is closed, 5th solenoid valve 75 is opened;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation;Successively pass through liquid storage device 5 again, do Dry filter 6, the first expansion valve 81 become the gas-liquid two-phase cold-producing medium of low-temp low-pressure, through two after the throttling of the first expansion valve 81 The first outlet a of number triple valve 10 enters the room evaporator 3 and reduces the temperature of circulation air while removing the water in circulation air Point, evaporation becomes the superheated refrigerant steam of low pressure, then returns to compressor 1 after gas-liquid separator 11 carries out gas-liquid separation Air entry becomes the gaseous refrigerant of high temperature and pressure after the compression of compressor 1, starts next circulation.
(4) heat extraction mode:
The first outlet a of No. two triple valves is opened, the second outlet b of No. two triple valves is closed, the 4th solenoid valve 74 is opened, 5th solenoid valve 75 is closed;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 radiates under the positive action of outdoor fan 41, the extra heat of discharge system, Refrigerant is condensed into the liquid refrigerant of supercooling or saturation simultaneously, then successively passes through liquid storage device 5, device for drying and filtering 6, first again Expansion valve 81 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure after the throttling of the first expansion valve 81, and the through No. two triple valves 10 One outlet a enters the room evaporator 3 and reduces the temperature of circulation air while removing the moisture in circulation air, and evaporation becomes low pressure Superheated refrigerant steam, then the air entry of compressor 1 is returned to after gas-liquid separator 11 carries out gas-liquid separation, through overcompression Machine 1 becomes the gaseous refrigerant of high temperature and pressure after compressing, start next circulation.
Embodiment 4: a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, as shown in Figure 7,8, including baking room 100, heat pump drying subsystem, drying air circulation subsystem and control subsystem.
Heat pump drying subsystem include compressor 1, main condenser 2, indoor evaporator 3, outdoor heat exchanger 4, liquid storage device 5, Device for drying and filtering 6, gas-liquid separator 11 and economizer 9;Wherein, the connection type from embodiment 1 of economizer 9 is different, difference Be in: the outlet of device for drying and filtering 6 is directly connected to the first import 91 of economizer, and the outlet of device for drying and filtering 6 also passes through Third solenoid valve 73 and third expansion valve 83 are connected with the second import 93 of economizer;The first outlet 92 of economizer passes through the Two solenoid valves 72 and the second expansion valve 82 are connected with the import of outdoor evaporator 42;The first outlet 92 of economizer is also by the One solenoid valve 71 and the first expansion valve 81 are connected to the import of indoor evaporator 3;The second outlet 94 of economizer and compressor 1 Puff prot is connected.The structure of other parts is same as Example 1 in heat pump drying subsystem.
It is same as Example 1 to dry air circulation subsystem, control subsystem.
The workflow of the multiple-working mode of the composition open and close formula Analysis of Heat Pump Drying System being rapidly heated in embodiment 4 is such as Under:
(1) heating mode:
First solenoid valve 71 is closed, second solenoid valve 72 is opened, third solenoid valve 73 is opened or closed according to control requirement, 4th solenoid valve 74 is closed, and the 5th solenoid valve 75 is opened;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation, then successively passes through liquid storage device 5, does It is divided into two-way after dry filter 6, bypass refrigerant enters third expansion valve 83 by third solenoid valve 73, by third expansion valve The gas-liquid two-phase cold-producing medium for becoming middle pressure medium temperature after 83 throttlings, into economizer 9 and main road refrigerant heat exchanger after enter compressor 1 Puff prot after main road refrigerant cools down in economizer 9, becomes low through second solenoid valve 72,82 reducing pressure by regulating flow of the second expansion valve The gas-liquid two-phase cold-producing medium of warm low pressure absorbs outdoor environment atmospheric heat into outdoor evaporator 42, and evaporation becomes the mistake of low pressure Then warm refrigerant steam returns to the air entry of compressor 1, by compressor 1 after gas-liquid separator 11 carries out gas-liquid separation The gaseous refrigerant for becoming high temperature and pressure after compression, starts next circulation.
(2) defrost pattern:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is opened or closed according to control requirement, 4th solenoid valve 74 is opened, and the 5th solenoid valve 75 is closed;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 heats outdoor evaporator 42, carries out the liquid that supercooling or saturation are condensed into while defrost Refrigerant, is then successively divided into two-way after liquid storage device 5, device for drying and filtering 6 again, and bypass refrigerant passes through third solenoid valve 73 Into third expansion valve 83, become the gas-liquid two-phase cold-producing medium of middle pressure medium temperature after the throttling of third expansion valve 83, into economy Enter 1 puff prot of compressor after device 9 and main road refrigerant heat exchanger, after main road refrigerant cools down in economizer 9, through the first electromagnetism Valve 71,81 reducing pressure by regulating flow of the first expansion valve become the gas-liquid two-phase cold-producing medium of low-temp low-pressure, and entering the room evaporator 3 reduces circulation The temperature of air removes the moisture in circulation air simultaneously, and evaporation becomes the superheated refrigerant steam of low pressure, then through gas-liquid point From the air entry for returning to compressor 1 after the progress gas-liquid separation of device 11, become the gaseous state system of high temperature and pressure after the compression of compressor 1 Cryogen starts next circulation.
(3) dehumidification mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is opened or closed according to control requirement, 4th solenoid valve 74 is closed, and the 5th solenoid valve 75 is opened;Circulating fan 21 is opened, outdoor fan 41 is closed;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged passes through the 5th electricity Magnet valve 75 enters main condenser 2, and release heat is condensed into the liquid refrigerant of supercooling or saturation, then successively passes through liquid storage device 5, does It is divided into two-way after dry filter 6, bypass refrigerant enters third expansion valve 83 by third solenoid valve 73, by third expansion valve The gas-liquid two-phase cold-producing medium for becoming middle pressure medium temperature after 83 throttlings, into economizer 9 and main road refrigerant heat exchanger after enter compressor 1 Puff prot after main road refrigerant cools down in economizer 9, becomes low through the first solenoid valve 71,81 reducing pressure by regulating flow of the first expansion valve The gas-liquid two-phase cold-producing medium of warm low pressure, entering the room evaporator 3 reduces the temperature of circulation air while removing in circulation air Moisture, evaporation become the superheated refrigerant steam of low pressure, then return to compressor 1 after gas-liquid separator 11 carries out gas-liquid separation Air entry, by compressor 1 compression after become high temperature and pressure gaseous refrigerant, start next circulation.
(4) heat extraction mode:
First solenoid valve 71 is opened, second solenoid valve 72 is closed, third solenoid valve 73 is opened or closed according to control requirement, 4th solenoid valve 74 is opened, and the 5th solenoid valve 75 is closed;Circulating fan 21 is opened, outdoor fan 41 is opened;
The workflow of heat pump drying subsystem: the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged is by the 4th electricity The laggard external condenser 43 of entering the room of magnet valve 74 radiates under the positive action of outdoor fan 41, the extra heat of discharge system, Refrigerant is condensed into the liquid refrigerant of supercooling or saturation simultaneously, then successively divides after liquid storage device 5, device for drying and filtering 6 again For two-way, bypass refrigerant enters third expansion valve 83 by third solenoid valve 73, becomes after the throttling of third expansion valve 83 The gas-liquid two-phase cold-producing medium of middle pressure medium temperature, into economizer 9 and main road refrigerant heat exchanger after enter 1 puff prot of compressor, main road After refrigerant cools down in economizer 9, become the gas-liquid of low-temp low-pressure through the first solenoid valve 71,81 reducing pressure by regulating flow of the first expansion valve Two phase refrigerant, entering the room evaporator 3 reduces the temperature of circulation air while removing the moisture in circulation air, and evaporation becomes Then the superheated refrigerant steam of low pressure returns to the air entry of compressor 1 after gas-liquid separator 11 carries out gas-liquid separation, passes through Compressor 1 becomes the gaseous refrigerant of high temperature and pressure after compressing, start next circulation.
The workflow of drying air circulation subsystem in embodiment 2-4 is same as Example 1.
In above-described embodiment 1-4, No.1 triple valve 17 can be used to substitute the 4th solenoid valve 74 and the 5th solenoid valve 75, The exhaust outlet of compressor 1 is connected with the import of No.1 triple valve 17, first outlet c and the main condenser 2 of No.1 triple valve Import is connected, and the second outlet d of No.1 triple valve is connected with the import of outdoor condenser (43).During the work time, one The function of the first outlet c of number triple valve and act on, the second outlet d of No.1 triple valve and fourth identical as the 5th solenoid valve 75 Solenoid valve 74 is identical.Such as: in embodiment 1, after No.1 triple valve 17 is substituted the 4th solenoid valve 74 and the 5th solenoid valve 75 Heat pump drying subsystem structure principle chart as shown in Figure 9, in other embodiments similarly, details are not described herein.
The utility model is described in detail above in conjunction with embodiment, but person of ordinary skill in the field's energy It is enough to understand, without departing from the purpose of the present invention, each design parameter in above-described embodiment can also be carried out Change, forms multiple specific embodiments, is the common variation range of the utility model, is no longer described in detail one by one herein.

Claims (10)

1. a kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated, which is characterized in that dried including baking room (100), heat pump Dry subsystem and drying air circulation subsystem;
The heat pump drying subsystem include compressor (1), main condenser (2), indoor evaporator (3), outdoor heat exchanger (4), Liquid storage device (5), device for drying and filtering (6) and gas-liquid separator (11);The outdoor heat exchanger (4) includes outdoor fan (41), room Outer evaporator (42) and outdoor condenser (43);The import with the main condenser (2) respectively of the exhaust outlet of the compressor (1) Be connected with the import of outdoor condenser (43), between the compressor (1) and outdoor condenser (43), compressor (1) with The 4th solenoid valve (74) and the 5th solenoid valve (75) are respectively equipped between main condenser (2);The outlet of the main condenser (2) and The outlet of outdoor condenser (43) is connected with the import of the liquid storage device (5) respectively;The outlet and drying of the liquid storage device (5) The import of filter (6) is mutually connected, and the outlet of the device for drying and filtering (6) passes sequentially through the first expansion valve (81) and the first electricity Magnet valve (71) is connected to the import of the indoor evaporator (3);The outlet of the device for drying and filtering (6) passes sequentially through the first expansion Valve (81) and second solenoid valve (72) are connected to the import of the indoor evaporator (3);The outlet of the indoor evaporator (3) with The import of the gas-liquid separator (11) is connected, and the outlet of the outdoor evaporator (42) is connected to institute by check valve (12) State the import of gas-liquid separator (11);The outlet of the gas-liquid separator (11) is connected with the air entry of the compressor (1);
The drying air circulation subsystem includes the air outlet (101) being connected with the baking room (100) by air duct, returns Air port (102), the main condenser (2) are arranged in the position of the correspondence return air inlet (102), at the air outlet (101) Equipped with breeze fan (21);The indoor evaporator (3) includes heat exchange of heat pipe evaporator section (112) and heat exchange of heat pipe condensation segment (111), the return air inlet (102) includes bypass air duct (103) and dehumidifying air duct (104), the heat exchange of heat pipe evaporator section (112) it is arranged in the position of correspondence dehumidifying air duct (104), the dehumidifying air duct (104) is successively passed through by baking room (100) Heat exchange of heat pipe evaporator section (112), heat exchange of heat pipe condensation segment (111) are connected to the main condenser (2) position;It is described It bypasses air duct (103) and the main condenser (2) position is connected to by baking room (100).
2. the composition open and close formula Analysis of Heat Pump Drying System according to claim 1 being rapidly heated, which is characterized in that use No.1 Triple valve (17) substitutes the 4th solenoid valve (74) and the 5th solenoid valve (75), the exhaust outlet and No.1 of the compressor (1) The import of triple valve (17) is connected, and the first outlet c of the No.1 triple valve is connected with the import of main condenser (2), institute The second outlet d for stating No.1 triple valve is connected with the import of outdoor condenser (43).
3. the composition open and close formula Analysis of Heat Pump Drying System according to claim 1 being rapidly heated, which is characterized in that use No. two Triple valve (10) substitutes first solenoid valve (71) and second solenoid valve (72), the outlet and two of first expansion valve (81) The import of number triple valve (10) is connected;The first outlet (a) of No. two triple valves is connected with the import of indoor evaporator (3) It is logical;The second outlet (b) of No. two triple valves is connected with the import of outdoor evaporator (42).
4. the composition open and close formula Analysis of Heat Pump Drying System according to claim 1 being rapidly heated, which is characterized in that the heat pump Drying subsystem further includes economizer (9), and the outlet of the device for drying and filtering (6) is connected to described by second solenoid valve (72) The first import (91) of economizer;Pass through third electromagnetism between the second solenoid valve (72) and the second import (93) of economizer Valve (73) is connected with third expansion valve (83);The first outlet (92) of the economizer passes through the second expansion valve (82) and outdoor The import of evaporator (42) is connected;The second outlet (94) of the economizer is connected with the puff prot of compressor (1);It is described The outlet of device for drying and filtering (6) passes sequentially through the first solenoid valve (71) and the first expansion valve (81) is connected to the indoor evaporator (3) import.
5. the composition open and close formula Analysis of Heat Pump Drying System according to claim 1 being rapidly heated, which is characterized in that the heat pump Drying subsystem further includes economizer (9), and the outlet of the device for drying and filtering (6) and the first import (91) of the economizer are straight Lead in succession, the outlet of the device for drying and filtering (6) also passes through third solenoid valve (73) and third expansion valve (83) and economizer Second import (93) is connected;The first outlet (92) of the economizer passes through second solenoid valve (72) and the second expansion valve (82) It is connected with the import of outdoor evaporator (42);The first outlet (92) of the economizer also passes through the first solenoid valve (71) and the One expansion valve (81) is connected to the import of the indoor evaporator (3);The second outlet (94) of the economizer and compressor (1) Puff prot be connected.
6. the composition open and close formula Analysis of Heat Pump Drying System according to any one of claims 1-5 being rapidly heated, feature exist In, further include control subsystem, the control subsystem include be arranged in it is described dehumidifying air duct in return air temperature sensor (14), the environment temperature sensor (16) in outdoor heat exchanger (4) position is arranged in return air humidity sensor (15), with And the electric heater (13) being arranged between the main condenser (2) and breeze fan (21).
7. the composition open and close formula Analysis of Heat Pump Drying System according to any one of claims 1-5 being rapidly heated, feature exist In the heat exchanger tube arranged crosswise of the outdoor evaporator (42) and outdoor condenser (43) shares heat exchange fin.
8. the composition open and close formula Analysis of Heat Pump Drying System according to any one of claims 1-5 being rapidly heated, feature exist In being respectively equipped between the compressor (1) and main condenser (2), between the outdoor condenser (43) and liquid storage device (5) Check valve.
9. the composition open and close formula Analysis of Heat Pump Drying System according to any one of claims 1-5 being rapidly heated, feature exist In the breeze fan (21), outdoor fan (41) are axial flow blower or centrifugal blower;The compressor (1) is vortex pressure Contracting machine or rotor-type compressor.
10. the composition open and close formula Analysis of Heat Pump Drying System according to claim 4 or 5 being rapidly heated, which is characterized in that described Economizer (9) is plate heat exchanger or flash evaporation;First expansion valve (81), the second expansion valve (82), third expansion valve It (83) is heating power expansion valve or electric expansion valve.
CN201821985420.XU 2018-11-29 2018-11-29 A kind of composition open and close formula Analysis of Heat Pump Drying System being rapidly heated Active CN209310455U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111023724A (en) * 2019-12-27 2020-04-17 许昌智工机械制造有限公司 Rapid heating-up heat pump drying all-in-one machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111023724A (en) * 2019-12-27 2020-04-17 许昌智工机械制造有限公司 Rapid heating-up heat pump drying all-in-one machine

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