CN208536525U - Home unit formula dryer - Google Patents

Abstract

A kind of home unit formula dryer, it is related to a kind of dryer, including baking room, condenser is equipped with inside baking room, indoor evaporator and indoor circulating fan, described condenser one end is connect with compressor by pipeline and this pipeline is equipped with high-voltage switch gear, the condenser other end is connect with four-way reversing valve first end by pipeline, four-way reversing valve second end is connect with outside evaporator by pipeline and this pipeline is equipped with outside electric expansion valve, outside circulating fan is equipped on the right side of the evaporator of outside, outside evaporator is connect with check valve B by pipeline, the part accessory and structure of compressor drying system are optimized, increase the operating mode of Drying unit, Drying unit is set preferably to use under more complicated environment, and heat pump drying operation can be implemented to more materials, simultaneously, increase in unit Some system units have been added to keep unit working condition more stable and reliable.

Description

Home unit formula dryer

Technical field:

The utility model relates to a kind of dryers, and in particular to a kind of home unit formula dryer.

Background technique:

As global energy crisis aggravates surging with energy conservation and environmental protection cry, traditional fire coal, fuel oil, combustion gas, firewood pot Furnace because it is at high cost, pollution is big, safety is poor, will be gradually by limitation using until final eliminate, this is the general trend of events of environmental protection and energy saving Become.Air source heat pump dryer as one efficiently, energy-saving and environmental protection, safety new technology, it is rapid in drying field in recent years It is widely applied.Air source heat pump is a kind of principle using inverse Carnot cycle, by the heat energy transfer of low level heat energy a to high position The device of heat source.Due to this property of heat pump, it is used to transmit the thermal energy in cryogenic object in high temp objects, then high temperature Object is used to heat water or heating or the drying for material, and heat is made to be fully used.Heat pump application is in stoving process Basic principle is exactly the low temperature heat energy absorbed in air using evaporator with heat pump, or the hot-air of recycling drying box passes through pressure Contracting machine compresses to obtain high temperature heat, and the air circulation in drying box is heated to 60 degree or more (as used special refrigerant can be with Air is heated to 80 degree or more), by drying materials.Whole school's heat pump dryer can also pass through system during heating up dry Cold dehumidifying operation, the moisture in material is removed, final to realize the continuous drying of material.Heat pump drying unit can be applied to each row Each industry, such as drying corps --- agaric, dried bamboo shoots, dried vegetable, jujube, all kinds of dried fruits；Chinese medicine drying --- ginseng, fructus lycii, Honeysuckle etc.；Industrial crops drying --- tobacco, tealeaves, mushroom etc.；Marine product drying --- dried shrimps, dried fish, seaweed etc., industry Using --- timber stoving, plating, printing, dyeing etc. dry product, not only energy-saving and environmental protection, Er Qiexiang using heat pump unit For using natural air drying or the Kiln seasoned product of coal, heat pump drying can accomplish that drying temperature is stablized, while because of heat pump drying Temperature is lower, and the color and fragrance that can be very good to keep material drying original further mention on the basis of energy conservation and environmental protection The economic well-being of workers and staff of material drying is risen.

Generally there are following disadvantages for existing Drying unit: 1, existing Drying unit is usually according to large-scale intensive manufacture Mode carry out type selecting and configuration, unit volume is big, and power is big, takes up a large area, and power consumption is also big, the object suitable for mass Expect drying process, but much regional in China, oneself some special crops of peasant household also have a drying demand, and these peasant households one As crop yield it is little, such as Cotton Varieties by Small Farming Households or the mushroom of picking, dried bamboo shoots, agaric, Chinese medicine such as use general dryer group, More resource can be consumed, meanwhile, drying cost also can be very high, is not suitable for the crop drying mode of family oriented；2, existing Drying unit operating mode is single, and it is impossible to meet the requirements of family's drying, inconvenience is brought to user, on solving Technical problem is stated, spy proposes a kind of new technical solution.

Utility model content:

The purpose of this utility model is to overcome above-mentioned the shortcomings of the prior art places, and it is single to provide a kind of family First formula dryer.

The technical solution adopted in the utility model are as follows: a kind of home unit formula dryer, including baking room, inside baking room Equipped with condenser, indoor evaporator and indoor circulating fan, described condenser one end is connect with compressor by pipeline And this pipeline is equipped with high-voltage switch gear, the condenser other end is connect with four-way reversing valve first end by pipeline, four-way reversing valve Second end is connect with outside evaporator by pipeline and this pipeline is equipped with outside electric expansion valve, and outside evaporator is right Side is equipped with outside circulating fan, and outside evaporator is connect with check valve B by pipeline, and check valve B and compressor pass through pipe Line connects and this pipeline is equipped with low tension switch, and the four-way reversing valve third end is connect with check valve C by pipeline, unidirectionally Valve C is connect with compressor by pipeline and this pipeline is equipped with low tension switch, the 4th end of four-way reversing valve and indoor Evaporator is connected by pipeline and this pipeline is equipped with indoor electric expansion valve, and indoor evaporator and check valve A pass through pipe Line connection, check valve A is connect with compressor by pipeline and this pipeline is equipped with low tension switch.

The beneficial effects of the utility model are: the part accessory and structure to compressor drying system are optimized, increase The operating mode for having added Drying unit enables Drying unit preferably to use under more complicated environment, and can be to more objects Material implements heat pump drying operation, meanwhile, some system units are increased in unit keeps unit working condition more stable and can It leans on.

Detailed description of the invention:

Fig. 1 is the utility model structure diagram.

Fig. 2 is the utility model heating mode schematic diagram.

Fig. 3 is the utility model dehumidification mode schematic diagram.

Specific embodiment:

The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art, The omitting of some known structures and their instructions in the attached drawings are understandable.

Referring to Fig.1, a kind of home unit formula dryer, including baking room, baking room inside are equipped with condenser 2, indoor Evaporator 5 and indoor circulating fan 6, described 2 one end of condenser is connect with compressor 1 by pipeline and this pipeline is equipped with High-voltage switch gear 14,2 other end of condenser are connect with 3 first end of four-way reversing valve by pipeline, 3 second end of four-way reversing valve and room Outside evaporator 9 is connected by pipeline and this pipeline is equipped with outside electric expansion valve 8, is equipped on the right side of outside evaporator 9 Outside circulating fan 10, outside evaporator 9 are connect with check valve B11 by pipeline, and check valve B11 passes through with compressor 1 Pipeline connection and this pipeline are equipped with low tension switch 13, the 3 third end of four-way reversing valve and check valve C12 and are connected by pipeline It connects, check valve C12 is connect with compressor 1 by pipeline and this pipeline is equipped with low tension switch 13, the four-way reversing valve 3 the Four ends are connect with indoor evaporator 5 by pipeline and this pipeline is equipped with indoor electric expansion valve 4, indoor evaporator 5 It is connect with check valve A7 by pipeline, check valve A7 is connect with compressor 1 by pipeline and this pipeline is equipped with low tension switch 13. This device is by compressor 1, four-way reversing valve 3 and indoor electric expansion valve 4 and outside expansion valve of electric motor 8 according to specified stream Road forms drying system circuit, by the hot wind for being used to dry or or is used for the dry wind of dehumidifier by the operation of circulating fan and is sent into It dries in space, and keeps recycling, the heat extraction in outdoor air is sent by drying space by axial flow blower, in this device It is also provided with PLC controller, the operational mode of Drying unit is controlled by PLC controller, PLC controller can be according to current fortune The operating status of each accessory can adjust four-way reversing valve 3 and open and leads in row environmental parameter (temperature and humidity etc.) automatic adjustment system Road, expansion valve open the parameters such as step number, circulating fan rotating speed, make unit automatic running in the state that one optimal, by right The real-time adjustment and optimization of parameter, make material complete drying process in the state of best.Meanwhile PLC controller can be shown in real time Show the current value and conditional curve of parameters, in order to which user understands the operating status of unit.

Specific implementation process is as follows: when starting drying work, the temperature dried in space need to first be made to rise to material needs Drying temperature, at this point, unit work in a heating mode, workflow is as shown in Fig. 2, refrigerant quilt in compressor 1 The refrigerant gas of boil down to high temperature and pressure makes to dry then by indoor condenser 2 by the operating of indoor circulating fan 6 The refrigerant in air and condenser 3 in stove room carries out heat exchange, and the heat in refrigerant is discarded in drying space, is made Temperature gradually rises in baking room, and then, condensed refrigerant becomes the liquid of cryogenic high pressure, by four-way reversing valve 3 Guiding, becomes the refrigeration of low-temp low-pressure by the reducing pressure by regulating flow of outside electric expansion valve 8 into outside electric expansion valve 8 Agent liquid makes in ambient outdoor air and evaporator 3 into outside evaporator 9 by the operation of outside circulating fan 10 Refrigerant liquid carry out heat exchange, refrigerant liquid because absorb ambient outdoor air temperature due to evaporate, become low-temp low-pressure Refrigerant gas returned in compressor 1 through check valve B11, complete a ramp cycle.

In operational process as shown in Figure 2, because check valve has the characteristic of one-way conduction, so, refrigerant is passing through After check valve B11, because of the blocking of check valve A7, side evaporator 5 will not be entered the room, equally, because of the blocking of check valve C12, Side evaporator 5 is entered the room without going past 3 channel of four-way reversing valve, and this system may insure having under heating mode refrigerant Effect operation.

After drying room temperature rises to set temperature, unit will be switched to dehumidification mode, at this point, the workflow of refrigerant As shown in Figure 3；Under dehumidification mode, refrigerant is compressed to the refrigerant gas of high temperature and pressure in compressor 1, then through being subcooled Condenser 2, condensed refrigerant become the liquid of cryogenic high pressure, and by the guiding of four-way reversing valve 3, it is swollen to enter the room side electronics Swollen valve 4 becomes the refrigerant liquid of low-temp low-pressure by the reducing pressure by regulating flow of indoor electric expansion valve 4, enters the room side evaporation Device 5, at this point, making indoor air first pass through the evaporator of low temperature by the operation of indoor circulation blower 6, because environment temperature is remote Higher than the temperature of evaporator inner refrigerant, so, the moisture in air will be precipitated because of the condensation of evaporator surface, lead to It is outdoor to cross discharge outlet discharge, and the air after cooling down is warming up to again using the heat exchange with condenser 2 by before evaporator Temperature, thus can be precipitated hot-air in moisture while, it is ensured that the stabilization of temperature in baking room is steamed by indoor The refrigerant gas of hair device 5 returns in compressor 1 using the guiding of check valve A7, completes primary dehumidifying circulation.

In dehumidifying operational process as shown in Figure 3, because check valve has the characteristic of one-way conduction, so, refrigerant exists After check valve A7, because of the blocking of check valve B11, outside evaporator 9 will not be entered, equally, because of the resistance of check valve C12 It is disconnected, outside evaporator 9 will not be entered by 3 channel of four-way reversing valve, this system may insure to freeze under dehumidification mode Effective operation of agent.

In dehumidification process, because of the characteristic of inverse Carnot cycle, it is warm while humidity decline to will lead to air in baking room Degree also gradually slightly decreases, so, in control program, a return difference value will be set, is caused in drying chamber at temperature when because of dehumidifying When being down to return difference setting value, system will automatically switch back into heating mode, and drying room temperature is promoted to the drying of material needs again Temperature, unit will automatically switch under both modes that heat and dehumidify, until drying materials, to the mass dryness fraction needed, system will be certainly It is dynamic to shut down.

The part accessory and structure of 1 drying system of compressor is optimized in this device, increases the work of Drying unit Operation mode enables Drying unit preferably to use under more complicated environment, and can implement heat pump drying behaviour to more materials Make, meanwhile, some system units are increased in unit keeps unit working condition more stable and reliable.

In figure, description positional relationship only for illustration, should not be understood as the limitation to this patent；Obviously, this reality It is merely examples for clearly illustrating the present invention with novel above-described embodiment, and is not to the utility model Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description Other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all practical new at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model right and wants within the spirit and principle of type Within the protection scope asked.

Claims (1)

1. a kind of home unit formula dryer, including baking room, it is characterised in that: be equipped with condenser, indoor inside baking room Evaporator and indoor circulating fan, described condenser one end is connect with compressor by pipeline and this pipeline is equipped with high pressure Switch, the condenser other end are connect with four-way reversing valve first end by pipeline, and four-way reversing valve second end and outside are evaporated Device is connected by pipeline and this pipeline is equipped with outside electric expansion valve, is equipped with outside circulated air on the right side of the evaporator of outside Machine, outside evaporator are connect with check valve B by pipeline, and check valve B is connect by pipeline with compressor and set on this pipeline There is low tension switch, the four-way reversing valve third end is connect with check valve C by pipeline, and check valve C and compressor pass through pipe Line connects and this pipeline is equipped with low tension switch, and the 4th end of four-way reversing valve is connect with indoor evaporator by pipeline And this pipeline is equipped with indoor electric expansion valve, indoor evaporator is connect with check valve A by pipeline, check valve A and pressure Contracting machine is connected by pipeline and this pipeline is equipped with low tension switch.