CN206724668U - Heat pump drying equipment with dehumidification type Yu hydrofuge type handoff functionality - Google Patents

Heat pump drying equipment with dehumidification type Yu hydrofuge type handoff functionality Download PDF

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Publication number
CN206724668U
CN206724668U CN201720333443.1U CN201720333443U CN206724668U CN 206724668 U CN206724668 U CN 206724668U CN 201720333443 U CN201720333443 U CN 201720333443U CN 206724668 U CN206724668 U CN 206724668U
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China
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air
heat pump
hydrofuge
main frame
drying
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CN201720333443.1U
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Inventor
程烨
杨德亮
都洪阳
张二宾
孟祥坤
卢邦纬
来海燕
高宇
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HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
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HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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 heat pump drying equipment with dehumidification type with hydrofuge type handoff functionality, including heat pump and drying workshop, dry in workshop and be provided with heat pump main frame room, return airway and drying chamber;It is higher than drying chamber at the top of return airway, the air outlet being connected with return airway is provided with the right side of drying chamber;Hydrofuge air channel is provided with return airway, the other end in hydrofuge air channel stretches into heat pump main frame room;Circulate in the wind door is provided between exhaust air box and heat pump main frame room, exhaust air box side wall is provided with air draft air door;Fresh air duct is provided with heat pump main frame room, fresh air duct and the intersection in hydrofuge air channel are provided with heat regenerator, and fresh air duct is provided with interior fresh air air door.Heat pump drying equipment of the present utility model with dehumidification type and hydrofuge type handoff functionality is compact-sized, coordinate drying means, optimized operation pattern can be selected as the case may be, advantage possessed by comprehensive each pattern, the influence for the shortcomings that each pattern is reduced by pattern switching, energy consumption is low, and drying efficiency is high.

Description

Heat pump drying equipment with dehumidification type Yu hydrofuge type handoff functionality
Technical field
A kind of heat pump drying equipment is the utility model is related to, is particularly suitable for special when agricultural byproducts etc. dehydrate Equipment and drying means.
Background technology
At present, heat pump drying equipment has vast potential for future development, particularly drying temperature at 75 DEG C in drying device field Following drying field.As country increasingly payes attention to saving the energy, environmental protection etc., the application of heat pump drying equipment Increasingly it is valued by people.
Heat pump drying equipment is the special equipment of dry materials, and heat pump provides heat supply for drying equipment, warp The air-flow crossed after heating is sent into drying chamber, and the air-flow of high temperature drying takes away the steam in material, so as to reach dry purpose. When using circulated air, as high temperature gas flow constantly takes away steam, the gradual reduction of the temperature of air-flow, humidity increase, to material Water separation capability gradually reduce;The Hot wet air heating in a part of baking room is discharged after airflow humidity reaches setting humidity target, The dry air being introduced into simultaneously in environment, continues to dehydrate process.
Heat pump drying equipment is broadly divided into two kinds, i.e. hot air dehumidifying type and evaporator dehumidification type at present.Hot air dehumidifying type heat Pump drying plant is to utilize to discharge Hot wet air heating, introduces extraneous dry air to reach drying purpose.
Evaporator dehumidification type drying plant is the cold using evaporator, below hydrofuge wind processing to dew-point temperature, is coagulated Condensed water is born to reach the purpose of dried material.
The drying plant of above two type has features, and advantage and disadvantage are also apparent from.Hot air dehumidifying form is by the external world The state of cold air has a great influence, and the external world is compared with cold ageing rate than relatively low;Evaporator dehumidification type is had a great influence by material characteristic, works as thing Expect it is half-dried after, dry air-flow in moisture it is less, evaporator dehumidifying efficiency it is very low.
At present, in the market lacks one kind and can maximized favourable factors and minimized unfavourable ones, and integrates the heat pump drying of two kinds of drying plant Equipment.
Utility model content
The purpose of this utility model is to provide one kind can be in evaporator dehumidification type drying plant and hot air dehumidifying type heat The heat pump drying equipment switched between pump drying plant.
To achieve the above object, the heat pump drying equipment bag of the present utility model with dehumidification type with hydrofuge type handoff functionality Heat pump and drying workshop are included, dries in workshop and is sequentially provided with heat pump main frame room, return airway from left to right and for holding The drying chamber of material;It is higher than drying chamber at the top of return airway and extends to the right, air outlet is provided with the right side of drying chamber, air outlet is with returning Wind air channel is connected;
Heat pump main frame room bottom side is provided with heat pump main frame room air door, and heat pump main frame room has connected up exhaust air box;Return air Hydrofuge air channel is provided with tip position in air channel, the other end in hydrofuge air channel stretches into exhaust air box and extended downwardly under heat pump main frame room Portion;
Heat pump includes compressor, condenser, throttling arrangement and the evaporator that connection is circulated by refrigerant line, pressure Contracting machine, throttling arrangement and evaporator composition heat pump main frame, heat pump main frame are located in heat pump main frame room, the top of the heat pump main frame Provided with the upward thermo-compression evaporation blower fan of air-out direction;Evaporator is adjacent with the lower ending opening in hydrofuge air channel;Condenser is located at return air Between the bottom and drying workshop in air channel;The hydrofuge air channel is interval with two, distinguishes at the right-end openings in each hydrofuge air channel Provided with wet-emitting blower;
Circulate in the wind door is provided between exhaust air box and heat pump main frame room, exhaust air box side wall is provided with air draft air door;
Fresh air duct is provided with the heat pump main frame room, the both ends of fresh air duct are opened on heat pump main frame room with respect to two respectively In side wall, the both ends of fresh air duct are respectively equipped with outdoor fresh air air door;Fresh air duct is handed over each hydrofuge air channel in cross Forked, the intersection in fresh air duct and each hydrofuge air channel is equipped with heat regenerator, the shell side or tube side of each heat regenerator with it is new Wind air channel is connected, and the tube side or shell side of each heat regenerator are connected with hydrofuge air channel;
Fresh air duct between two hydrofuge air channels is provided with drying chamber fresh air air door, and drying chamber fresh air air door is located at fresh air wind Between road and return airway;
Air-out direction circulating fan directed downwardly is provided with return airway below fresh air duct, circulating fan is located at condenser Top;
Using the direction for pointing to drying chamber fresh air air door as introversion, it is respectively equipped with the fresh air duct on the outside of two hydrofuge air channels interior Fresh air air door, interior fresh air air door is between fresh air duct and return airway.
The heat pump main frame room air door spacing side by side is provided with two or more;Opposite sides of the air draft air door in exhaust air box Two are arranged with wall.
Humidity sensor and temperature sensor are provided with the return airway.
The utility model devises a kind of heat pump drying equipment with dehumidification type and hydrofuge type handoff functionality and corresponding Drying means, mutually being changed using air door can realize that two kinds of hot air dehumidifying type and evaporator dehumidification type dry mutually cutting for types Change, suitable drying pattern is selected in different drying demands, with reference to the advantages of two kinds of drying patterns, improve drying efficiency, drop Low drying cost.
Simple mode has the advantages of simple to operate, hot-air temperature rise is very fast(Because both do not dried under simple mode Indoor introducing fresh air, and circulated air is cooled by evaporator, therefore temperature rise is very fast).The shortcomings that this pattern is heat pump System is had a great influence by ambient temperature, and when outside air temperature is relatively low, temperature is very low at evaporator, so as to reduce heat pump The operational efficiency of system.
The advantages of evaporator dehumidification mode is that heat pump is influenceed very little by environment temperature, is suitable for low temperature environment. Under the pattern, the higher hydrofuge wind of temperature(Air-flow in hydrofuge air channel)For heating evaporation device, greatly improve at evaporator Temperature regime, improve evaporating pressure, improve the operational efficiency of heat pump.Due to the temperature at evaporator substantially not by The influence of outside air temperature, therefore evaporator dehumidification mode has the advantages of heat pump system efficiency is high, degree affected by environment is low.Steam The shortcomings that sending out device dehumidification mode is, when hydrofuge wind moisture is smaller, because hydrofuge wind dew-point temperature is relatively low, by heat regenerator and It may be still reached to after evaporator less than below dew-point temperature, or just reach dew-point temperature, now by being condensed during evaporator The moisture gone out is seldom, and hydrofuge wind is turned again in drying chamber, does not have the effect for reducing drying indoor air humidity(Or effect Very little), and the process that hydrofuge wind cools again by heater heating by evaporator is invalidation process, not only effect on moisture extraction is failed to understand Aobvious and consumption mass energy.
The advantages of hot air dehumidifying drying pattern, is accelerated using the psychrometric difference of extraneous dry air and humid air in drying chamber Drying course, high in outside air temperature, drying efficiency is high under conditions of humidity is small, and energy consumption is small.Meanwhile in this pattern, hydrofuge Possessed used heat have passed through two-stage recycling in wind, and waste heat utilization is higher.First order Waste Heat Reuse is in heat regenerator In, hydrofuge wind heated the outdoor fresh air passed through in fresh air duct;Second level Waste Heat Reuse is when hydrofuge wind passes through evaporator Evaporator is heated, improves the operational efficiency of heat pump(Higher than simple mode and it is less than evaporator dehumidification mode), make heat Pumping system is influenced by ambient temperature smaller compared with simple mode.
Hot air dehumidifying dry pattern the shortcomings that be when outside air with drying indoor air humidity difference it is less when, it is necessary to A large amount of discharge hot blasts, waste the energy, drying efficiency is low;When ambient temperature is low, fresh air and Air Temperature Difference in barn are larger, Fresh air thermic load is larger.
Heat pump drying equipment of the present utility model with dehumidification type and hydrofuge type handoff functionality is compact-sized, coordinates this reality With new drying means, multiple-working mode can be realized, optimal operational mode can be selected according to carrying out practically situation, Advantage possessed by comprehensively utilizing each pattern, the influence for the shortcomings that reducing each pattern by pattern switching, overall energy consumption is relatively low, dries Dry efficiency is higher.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model under simple mode;
The right side that Fig. 2 is Fig. 1 regards schematic diagram;
Fig. 3 is Fig. 1 schematic top plan view;
Fig. 4 is structural representation of the present utility model under evaporator dehumidification mode;
The right side that Fig. 5 is Fig. 4 regards schematic diagram;
Fig. 6 is Fig. 4 schematic top plan view;
Fig. 7 is structural representation of the present utility model under hot air dehumidifying drying pattern;
The right side that Fig. 8 is Fig. 7 regards schematic diagram;
Fig. 9 is Fig. 7 schematic top plan view.
Embodiment
Direction shown in arrow is the airflow direction at this in each view.
As shown in Figures 1 to 9, the heat pump drying equipment bag of the present utility model with dehumidification type with hydrofuge type handoff functionality Heat pump and drying workshop 1 are included, is dried and is sequentially provided with heat pump main frame room 3, return airway 12 from left to right in workshop 1 and is used for Hold the drying chamber 9 of material;The top of return airway 12 is higher than drying chamber 9 and extends to the right, and the right side of drying chamber 9 is provided with air outlet, Air outlet is connected with return airway 12;
The bottom side of heat pump main frame room 3 is provided with heat pump main frame room air door 16, and heat pump main frame room 3 has connected up exhaust air box 31;Hydrofuge air channel 14 is provided with tip position in return airway 12, the other end in hydrofuge air channel 14 stretches into exhaust air box 31 simultaneously downwards Stretch into the bottom of heat pump main frame room 3;
Heat pump includes passing through refrigerant line 7(It is preferred that copper pipe)Circulate the compressor, condenser 8, throttling dress of connection Put and form heat pump main frame with evaporator 5, compressor, throttling arrangement and evaporator 5, heat pump main frame is located in heat pump main frame room 3, institute The top for stating heat pump main frame is provided with the upward thermo-compression evaporation blower fan 2 of air-out direction;Evaporator 5 and the lower ending opening in hydrofuge air channel 14 It is adjacent;Condenser 8 is located between the bottom of return airway 12 and drying workshop 1;The hydrofuge air channel 14 is interval with two, respectively Wet-emitting blower 13 is respectively equipped with the right-end openings in hydrofuge air channel 14;
Circulate in the wind door 17 is provided between exhaust air box 31 and heat pump main frame room 3, the side wall of exhaust air box 31 is provided with air draft air door 18;
Fresh air duct 22 is provided with the heat pump main frame room, the both ends of fresh air duct 22 are opened on heat pump main frame room 3 respectively In two lateral walls, the both ends of fresh air duct 22 are respectively equipped with outdoor fresh air air door 21;Fresh air duct 22 and each hydrofuge wind Road 14 is in cross-shaped, and the intersection in fresh air duct 22 and each hydrofuge air channel 14 is equipped with heat regenerator 15, and each heat is returned The shell side or tube side for receiving device 15 are connected with fresh air duct 22, and the tube side or shell side of each heat regenerator 15 are connected with hydrofuge air channel 14 It is logical;
Fresh air duct 22 between two hydrofuge air channels 14 is provided with drying chamber fresh air air door 20, drying chamber fresh air air door 20 Between fresh air duct 22 and return airway 12;
Air-out direction circulating fan 6 directed downwardly is provided with the return airway 12 of the lower section of fresh air duct 22, circulating fan 6 is located at The top of condenser 8;
Using the direction for pointing to drying chamber fresh air air door 20 as introversion, distinguish in the fresh air duct 22 in the outside of two hydrofuge air channel 14 Provided with interior fresh air air door 19, interior fresh air air door 19 is between fresh air duct 22 and return airway 12.
Wherein, heat pump is this area routine techniques, not shown compressor and throttling arrangement.Throttling arrangement can use Capillary or expansion valve, it is this area routine techniques.
The spacing side by side of heat pump main frame room air door 16 is provided with two or more;Phase of the air draft air door 18 in exhaust air box 31 To being arranged with two on two side.
Humidity sensor and temperature sensor are provided with the return airway 12.Humidity sensor and temperature sensor are Conventional equipment, it is not shown.
During work, material 11 to be dried is contained in material loading attachment 10 and is sent into drying chamber 9.
The invention also discloses entered using the above-mentioned heat pump drying equipment with dehumidification type and hydrofuge type handoff functionality The method of row dry materials, carry out according to the following steps successively:
First step is run by simple mode;Open heat pump main frame room air door 16, circulate in the wind door 17, air draft air door 18th, thermo-compression evaporation blower fan 2, the compressor of heat pump main frame and circulating fan 6, wet-emitting blower 13, interior fresh air air door 19, drying are closed Room fresh air air door 20 and outdoor fresh air air door 21;
Now, under the draft effect of thermo-compression evaporation blower fan 2, outdoor air enters heat pump master by heat pump main frame room air door 16 Machine room 3 is exchanged heat with evaporator 5, and cold caused by evaporator 5 is discharged by circulate in the wind door 17 and air draft air door 18;Circulating In the presence of blower fan 6, circulated air passes downwardly through condenser 8 and enters drying chamber 9, and circulated air is heated when by condenser 8, Circulated air after heating produces drying functions in drying chamber 9 to material;Caused water vapour is circulated during drying materials Wind is taken away, and circulated air is returned at circulating fan 6 through return airway 12, so as to the continuous material drying in cyclic process;
In the running of simple mode, when material is persistently dried, caused water vapour constantly enters in circulated air;Follow The relative humidity of ring wind is higher, and drying effect is lower;When the relative humidity in return airway 12 is higher than the first switching humidity, turn Enter the second step i.e. dehumidification mode of evaporator 5;The first switching humidity is more than 50% and less than or equal to 80%, by staff's root Occurrence is determined according to operating condition;When drying certain material, staff observes the situation of change of the relative humidity of circulated air, follows When the relative humidity of ring wind is changed into slowly rising or substantially no longer changing from rapid rising, represent that circulated air reaches under the operating mode It is too low to drying effect during the relative humidity, it is relative when the relative humidity of circulated air is slowly risen or no longer changed substantially Humidity set is the first switching humidity.
Close circulate in the wind door 17 and air draft air door 18, fresh air air door 19 and wet-emitting blower 13 in opening, into second step Suddenly;
Second step is run by the dehumidification mode of evaporator 5;Now, in the presence of wet-emitting blower 13, return airway 12 Interior a part of return air enters hydrofuge air channel 14, and another part return air is then still directly back at circulating fan 6;Into hydrofuge The circulated air in air channel 14 is discharged into heat pump main frame room 3 after heat regenerator 15 by the lower ending opening in hydrofuge air channel 14, passes through evaporation The top of heat pump main frame room 3 is delivered to after device 5 by thermo-compression evaporation blower fan 2, and enters fresh air duct 22 through interior fresh air air door 19, then By drying chamber fresh air air door 20 enter return airway 12, the circulated air with being introduced into hydrofuge air channel 14 converge after through circulating fan 6 and condenser 8 be admitted to drying chamber 9, circulated air is heated at condenser 8, and in drying chamber 9 material produce drying Effect;The air outlet on the right side of circulated air drying room 9 reenters return airway 12, forms circulation;
During the continuous service of second step, the higher circulated air of humidity temperature when by evaporator 5 reduces, Condense out condensed water at evaporator 5, realize dehumidifying;Air-flow after dehumidifying is through thermo-compression evaporation blower fan 2, fresh air air door 19, fresh air wind Road 22 and drying chamber fresh air air door 20 reenter return airway 12, after not mixed by the return air in hydrofuge air channel 14, reduce The overall humidity of return air, so that circulated air recovers to absorb the ability of material reclaimed water point.The advantages of 5 dehumidification mode of evaporator, is also It is the moisture that air in drying chamber 9 is removed using cold caused by evaporator 5 itself, utilizes the higher circulation of a part of temperature Wind takes away the cold at evaporator 5, therefore the operating efficiency of heat pump is higher, and heat pump is influenceed by ambient temperature It is very small, solve the problems, such as that heat pump is less efficient when environment temperature is low.The shortcomings that 5 dehumidification mode of evaporator, exists In:Work as circulated air(Hydrofuge wind)When humidity is smaller, because hydrofuge wind dew-point temperature is relatively low, by heat regenerator 15 and evaporator 5 After may still reach to less than below dew-point temperature, or just reach dew-point temperature, now the water by being condensed out during evaporator 5 Divide seldom, hydrofuge wind is turned again in drying chamber 9, does not have the effect for reducing air humidity in drying chamber 9(Or effect is very It is small), and the process that hydrofuge wind cools again by heater heating by evaporator 5 is invalidation process, not only effect on moisture extraction is failed to understand Aobvious and consumption mass energy.
When the relative humidity in return airway 12 is less than the second switching humidity, hot air dehumidifying drying pattern is transferred to;Second Switch humidity and be more than or equal to 10 and less than or equal to 50%, occurrence is determined according to operating condition by staff;
When drying certain material, staff observes the situation of condensate at evaporator 5.Just brought into operation in second step When, a large amount of condensates will necessarily be produced at evaporator 5.When no longer producing condensate at evaporator 5, or caused condensate Amount very hour, the rh value of corresponding circulated air is set as the second switching humidity.
Open outdoor fresh air air door 21, circulate in the wind door 17 and air draft air door 18, fresh air air door 19 in closing, into the 3rd Step;
Third step is to dry mode operation by hot air dehumidifying;Now, in the presence of wet-emitting blower 13, return airway 12 Interior a part of return air enters hydrofuge air channel 14 as hydrofuge wind, and another part return air is then still directly back to circulating fan 6 Place;Under the swabbing action of circulating fan 6, outdoor fresh air enters fresh air duct 22 by outdoor fresh air air door 21, through overheating back Heat exchange is carried out with hydrofuge wind when receiving device 15, enters return air through drying chamber fresh air air door 20 after the heat in hydrofuge wind is absorbed Air channel 12, the circulated air with being introduced into hydrofuge air channel 14 through circulating fan 6 and condenser 8 are admitted to drying chamber 9 after converging, converged Wind afterwards is heated at condenser 8, and produces drying functions to the material in drying chamber 9;The right side of air-flow drying room 9 Air outlet reenters return airway 12, so as to continuously run;
During the continuous service of third step, the hot wet gas current in hydrofuge air channel 14 is evaporation when passing through evaporator 5 Device 5 provides heat, realizes Waste Heat Reuse;In the presence of thermo-compression evaporation blower fan 2, air-flow and heat pump master in hydrofuge air channel 14 Outdoor air at machine room air door 16 is inhaled into heat pump main frame room 3, takes away after cold caused by evaporator 5 by circulate in the wind door 17 and air draft air door 18 discharge;
When the relative humidity in return airway 12 is higher than the first switching humidity, it is transferred to second step i.e. evaporator 5 and dehumidifies Pattern;
Four steps is after staff determines that drying materials degree is up to standard, closes each blower fan, each air door and heat pump system The compressor of system, material is transported into drying chamber 9, stops dry materials process.
Above example is only to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair The utility model is described in detail, it will be understood by those within the art that:The utility model can still be entered Row modification or equivalent substitution, without departing from any modification or partial replacement of spirit and scope of the present utility model, it all should Cover among right of the present utility model.

Claims (3)

1. the heat pump drying equipment with dehumidification type with hydrofuge type handoff functionality, it is characterised in that:Including heat pump and drying Workshop, dry in workshop and be sequentially provided with heat pump main frame room, return airway and the drying chamber for holding material from left to right;Return air It is higher than drying chamber at the top of air channel and extends to the right, is provided with air outlet on the right side of drying chamber, air outlet is connected with return airway;
Heat pump main frame room bottom side is provided with heat pump main frame room air door, and heat pump main frame room has connected up exhaust air box;Return airway Interior to be provided with hydrofuge air channel in tip position, the other end in hydrofuge air channel stretches into exhaust air box and extends downwardly into heat pump main frame room bottom;
Heat pump includes compressor, condenser, throttling arrangement and the evaporator that connection is circulated by refrigerant line, compression Machine, throttling arrangement and evaporator composition heat pump main frame, heat pump main frame are located in heat pump main frame room, set at the top of the heat pump main frame There is the thermo-compression evaporation blower fan that air-out direction is upward;Evaporator is adjacent with the lower ending opening in hydrofuge air channel;Condenser is located at return air wind Between the bottom and drying workshop in road;The hydrofuge air channel is interval with two, is set respectively at the right-end openings in each hydrofuge air channel There is wet-emitting blower;
Circulate in the wind door is provided between exhaust air box and heat pump main frame room, exhaust air box side wall is provided with air draft air door;
Fresh air duct is provided with the heat pump main frame room, the both ends of fresh air duct are opened on heat pump main frame room two lateral walls respectively On, the both ends of fresh air duct are respectively equipped with outdoor fresh air air door;Fresh air duct and each hydrofuge air channel in cross-shaped, Fresh air duct and the intersection in each hydrofuge air channel are equipped with heat regenerator, the shell side or tube side and fresh air duct of each heat regenerator It is connected, the tube side or shell side of each heat regenerator are connected with hydrofuge air channel;
Fresh air duct between two hydrofuge air channels is provided with drying chamber fresh air air door, drying chamber fresh air air door be located at fresh air duct and Between return airway;
Air-out direction circulating fan directed downwardly is provided with return airway below fresh air duct, circulating fan is located at the upper of condenser Side;
Using the direction for pointing to drying chamber fresh air air door as introversion, interior fresh air is respectively equipped with the fresh air duct on the outside of two hydrofuge air channels Air door, interior fresh air air door is between fresh air duct and return airway.
2. the heat pump drying equipment according to claim 1 with dehumidification type with hydrofuge type handoff functionality, it is characterised in that: The heat pump main frame room air door spacing side by side is provided with two or more;The air draft air door is symmetrical in the two lateral walls of exhaust air box Provided with two.
3. the heat pump drying equipment according to claim 1 or 2 with dehumidification type with hydrofuge type handoff functionality, its feature exist In:Humidity sensor and temperature sensor are provided with the return airway.
CN201720333443.1U 2017-03-31 2017-03-31 Heat pump drying equipment with dehumidification type Yu hydrofuge type handoff functionality Active CN206724668U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631560A (en) * 2018-12-10 2019-04-16 同济大学 A kind of heat pump drier that open and close type is changeable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631560A (en) * 2018-12-10 2019-04-16 同济大学 A kind of heat pump drier that open and close type is changeable

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