CN207456058U - Multifunctional air energy dehumidifying drying system - Google Patents

Abstract

The utility model relates to a multifunctional air energy dehumidification and drying system, comprising a compressor, a four-way valve, a first solenoid valve, an indoor condenser, a second solenoid valve, an outdoor heat exchanger, a liquid storage device, a filter, and a throttle Expansion valve, indoor heat exchanger, and then through four-way valve and separator to form a closed-loop dehumidification working circuit; compressor, third solenoid valve, outdoor heat exchanger, liquid receiver, filter, throttling expansion valve, indoor heat exchange refrigerating circuit through four-way valve and separator; compressor, four-way valve, indoor heat exchanger, throttling expansion valve, filter, liquid receiver, outdoor heat exchanger, third solenoid valve, and then A heating working circuit is formed through a four-way valve and a separator. The multifunctional air energy dehumidification and drying system of the utility model realizes the three functions of closed-loop dehumidification, refrigeration and heating in the same system, with high equipment utilization rate, reliable operation, convenient operation, good energy-saving effect, effectively reducing costs and improving work efficiency .

Description

Multifunctional air energy dehumidification drying system

technical field

The utility model relates to a multifunctional air energy dehumidification and drying system, and relates to the technical field of refrigeration, dehumidification, heating and drying of an air energy heat pump dryer.

Background technique

With the advancement of science, the principle of air energy has been applied to dehumidification and drying fields such as industry, agriculture, and chemical industry. The technology continues to innovate. Due to the application of air energy, energy saving, environmental protection, and easy operation, it has become a major trend in the dehumidification and drying industry. But the development of science and technology has no end, and it is always exploring and updating. No matter which method of dehumidification and drying is needed, it needs to be improved.

Most of the current dehumidification dryers are single-function, which cannot meet the needs of variable temperature and humidity control in different stages of various dehumidification and drying processes. Additional additional mechanisms are required to complete the process requirements. The cumbersome machinery not only increases the cost but also increases the capacity. consumption.

Utility model content

In view of this, the purpose of this utility model is to provide a multifunctional air energy dehumidification and drying system with high equipment utilization rate and good drying effect.

The utility model adopts the following scheme to realize: a multifunctional air energy dehumidification and drying system, the refrigerant of the compressor passes through the four-way valve, the first electromagnetic valve, the indoor condenser, the second electromagnetic valve, the outdoor heat exchanger, and the liquid storage device , filter, throttling expansion valve, indoor heat exchanger, and then return to the compressor through the four-way valve and separator to form a closed-loop dehumidification working circuit; the refrigerant of the compressor passes through the four-way valve, the third solenoid valve, and the outdoor heat exchanger , liquid receiver, filter, throttling expansion valve, indoor heat exchanger, and then return to the compressor through the four-way valve and separator to form a refrigeration working circuit; the refrigerant of the compressor passes through the four-way valve, indoor heat exchanger, Expansion valve, filter, liquid storage, outdoor heat exchanger, third solenoid valve, and then return to the compressor through the four-way valve and separator to form a heating working circuit; the indoor condenser and indoor heat exchanger are set In the drying chamber, the drying chamber is provided with a water receiving tray located at the bottom of the indoor heat exchanger, and the water receiving tray is connected with a drain pipe leading to the drying outdoor.

Further, a drying shelf is arranged in the drying room, the drying shelf is located on one side of the indoor condenser, the indoor heat exchanger is located on the other side of the indoor condenser, and a The hot air generated by the indoor condenser is blown to the guide fan of the drying shelf; the upper two sides of the drying chamber are provided with an air intake adjustment port and an exhaust air adjustment port.

Further, it also includes a refrigerant pressure gauge, an intelligent controller and a high and low pressure control switch arranged in parallel at both ends of the separator and the compressor.

Compared with the prior art, the utility model has the following beneficial effects: the multifunctional air energy dehumidification and drying system of the utility model realizes the three functions of closed-loop dehumidification, refrigeration and heating in the same system, and can achieve energy-saving and efficient dehumidification It can also realize the multi-functional conversion of the drying process, adapt to the requirements of variable temperature and humidity control in different stages, high equipment utilization rate, reliable operation, convenient operation, good energy saving effect, effectively reduce costs and improve work efficiency.

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail through specific embodiments and related drawings below.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Explanation of symbols in the figure: 1-external host, 2-drying room, 3-outdoor heat exchanger, 4-refrigerant pressure gauge, 5-intelligent controller, 6-high and low pressure control switch, 7-compressor, 8- Four-way valve, 9-first solenoid valve, 10-indoor heat exchanger, 11-indoor condenser, 12-direction fan, 13-second solenoid valve, 14-third solenoid valve, 15-liquid reservoir, 16-filter, 17-throttling expansion valve, 18-drainage pipe, 19-water tray, 20-separator, 21-connecting pipe, 22-intake regulating port, 23-exhaust regulating port.

Detailed ways

As shown in Figure 1, a multifunctional air energy dehumidification and drying system, the refrigerant of the compressor 7 passes through the four-way valve 8, the first solenoid valve 9, the indoor condenser 11, the second solenoid valve 13, and the outdoor heat exchanger 3 , liquid receiver 15, filter 16, throttling expansion valve 17, indoor heat exchanger 10, and then return to compressor 7 through four-way valve 8 and separator 20 to form a closed-loop dehumidification working circuit; The coil is not energized, the first solenoid valve 9 and the second solenoid valve 13 are turned on, the indoor heat exchanger 10 is used as an evaporator, the outdoor heat exchanger 3 is used as an auxiliary heat exchanger, and the indoor condenser 11 in the airtight drying room generates hot air to The items are heated to make the items evaporate water to form hot and humid air, which enters the indoor heat exchanger 10 through the return air duct, is condensed into water droplets and is discharged, and the indoor heat exchanger 10 absorbs heat through the evaporated working fluid and returns to the compressor to press the high-temperature cycle; After passing through the heat exchanger 10, dry and low-temperature air flows to the condenser 11 to generate dry hot air, which heats the dried items to evaporate, and the hot and humid air circulates into the heat exchanger 10 through the guide fan, while the drying chamber does not discharge heat energy to the outside , forming a closed-loop dehumidification state, with less heat loss, this kind of dehumidification efficiency is extremely high, when the humidity is above 40%, the COP value can reach 4.0-6.0, and the later effect is slightly weaker.

The refrigerant of the compressor 7 passes through the four-way valve 8, the third solenoid valve 14, the outdoor heat exchanger 3, the liquid receiver 15, the filter 16, the throttling expansion valve 17, the indoor heat exchanger 10, and then through the four-way valve 8 And the separator 20 returns to the compressor 7 to form a refrigeration working circuit to realize refrigeration.

The refrigerant of compressor 7 passes through four-way valve 8, indoor heat exchanger 10, throttling expansion valve 17, filter 16, liquid receiver 15, outdoor heat exchanger 3, third solenoid valve 14, and then through four-way valve 8 And the separator 20 returns to the compressor 7 to form a heating working circuit to realize heating.

In this embodiment, the indoor condenser 11 and the indoor heat exchanger 10 are arranged in the drying chamber 2, and the rest of the components are arranged in the external host 1 behind the drying chamber 2, and the drying chamber 2 is provided with a The water receiving tray 19 at the bottom of the heat exchanger is connected with a drain pipe 18 leading to the drying room to discharge the condensed water generated by the indoor heat exchanger in the closed-loop dehumidification working circuit to the outdoor.

In this embodiment, the drying chamber 2 is provided with a drying layer rack, the drying layer rack is located on one side of the indoor condenser, the indoor heat exchanger is located on the other side of the indoor condenser, and the indoor condenser and the drying layer A diversion fan 12 is provided between the racks to blow the hot air generated by the indoor condenser to the drying shelf; both sides of the upper part of the drying chamber are provided with an air intake adjustment port 22 and an exhaust air adjustment port 23 .

In this embodiment, the drying chamber 2 is provided with a partition between the drying shelf and the diversion fan 12, the partition is provided with an air outlet facing the diversion fan 12, and the top of the partition is provided with a return air duct.

In this embodiment, it also includes a refrigerant pressure gauge 4, an intelligent controller 5, and a high and low pressure control switch 6 arranged in parallel at both ends of the separator 20 and the compressor 7, which is reflected in the multi-function of closed-loop dehumidification, refrigeration, heating and drying. An integrated device system that can automatically switch between each other through an intelligent controller.

When using the multifunctional air energy dehumidification drying system of the utility model to dry agricultural products, the closed-loop dehumidification can be directly used for a period of time before drying, or the heating can be used to raise a certain temperature first and then switch to dehumidification. When the return difference is reached, it will automatically switch to heating and heating, and then dehumidify. It can also be directly dried with hot air. When the first stage of the predetermined process is completed, it will automatically run the second and third stages of the process. It can also switch between closed-loop dehumidification, refrigeration, In the heating mode, when the drying is completed, it can also be refrigerated to cool the product to a certain temperature before packaging; the agricultural products can also be refrigerated and kept fresh before drying. The utility model realizes the three functions of closed-loop dehumidification, refrigeration and heating in the same system. It can not only achieve energy-saving and high-efficiency dehumidification, but also realize multi-functional conversion of drying process, adapt to the requirements of variable temperature and humidity control in different stages, and improve the utilization rate of equipment High, reliable operation, convenient operation, good energy saving effect, effectively reduce costs and improve work efficiency.

The above preferred embodiments have further described the purpose, technical solutions and advantages of the utility model in detail. It should be understood that the above descriptions are only preferred embodiments of the utility model and are not intended to limit the utility model. For new models, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims (3)

1. a kind of Multifunctional air energy dehumidifying drying system, it is characterised in that：The refrigerant of compressor is through four-way valve, the first electromagnetism Valve, indoor condenser, second solenoid valve, outdoor heat exchanger, liquid storage device, filter, throttle expansion valve, indoor heat exchanger, then pass through Four-way valve and separator return to compressor and form closed loop dehumidifying performance loop；The refrigerant of compressor through four-way valve, the 3rd solenoid valve, Outdoor heat exchanger, liquid storage device, filter, throttle expansion valve, indoor heat exchanger, then return to compressor shape through four-way valve and separator Into refrigeration work circuit；The refrigerant of compressor is through four-way valve, indoor heat exchanger, throttle expansion valve, filter, liquid storage device, outdoor Heat exchanger, the 3rd solenoid valve, then return to compressor through four-way valve and separator and form heating performance loop；The interior condenser It is arranged on indoor heat exchanger in drying chamber, is provided with the drip tray positioned at indoor heat exchanger bottom in drying chamber, on drip tray The drainpipe being connected with towards outside drying chamber.

2. Multifunctional air energy dehumidifying drying system according to claim 1, it is characterised in that：Baking is provided in drying chamber Dried layer frame, drying layer frame are located at the one side of indoor condenser, and indoor heat exchanger is located at the opposite side of indoor condenser, indoor condensation The diversion fan that the hot wind that indoor condenser generates is blowed to drying layer frame is provided between device and drying layer frame；Drying chamber top Both sides are provided with air inlet adjustment mouth and exhaust adjusts mouth.

3. Multifunctional air energy dehumidifying drying system according to claim 1, it is characterised in that：It further includes and is arranged in parallel Separator and refrigerant pressure table, intelligent controller and the dual pressure control switch at compressor both ends.