Compressed air floating dew point efficient energy-saving air cooling type refrigerated dryer
By designing a closed refrigeration system and energy storage water tank in a refrigeration dryer, the problem of excessive evaporation temperature of the refrigerant is solved, and the stable control of the refrigerant temperature and automatic adjustment of the dew point temperature are achieved to achieve energy-saving effects.
Patent Information
- Application Number
- CN202421857069.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
现有冷冻式干燥机中，蒸发器直接用制冷剂与压缩空气进行热交换，导致制冷剂蒸发温度过高，压缩机过热而损坏，且难以控制制冷剂的蒸发温度根据环境温度变化而相应变化。
A highly efficient and energy-saving air-cooled refrigeration dryer with floating dew point in compressed air is designed to form a closed system through four basic components such as refrigeration compressor, condenser, expansion valve, and evaporator. The energy storage liquid is used to reduce the temperature of compressed air in the evaporator to ensure the stable evaporation temperature of the refrigerant, and store the cooling capacity through the insulation water tank to adapt to the changes in dew point temperature.
The stable control of the refrigerant evaporation temperature is achieved, which avoids overheating damage from the compressor, and can automatically adjust the dew point temperature according to changes in the ambient temperature, reduce the refrigeration capacity and input power of the refrigeration dryer, and achieve the purpose of energy saving.
Smart Images
Figure CN222900677U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigerated dryers, in particular to a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer. Background Technique
[0002] A compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer is a device used in a compressed air system. Its main function is to remove moisture and impurities in the compressed air, thereby ensuring the dryness and purity of the air.
[0003] In the existing refrigerated dryer, the evaporator usually directly exchanges heat between the refrigerant and the compressed air, which easily leads to too high an evaporation temperature of the refrigerant. This will cause the compressor to overheat and be damaged. At the same time, it is not easy to control the evaporation temperature of the refrigerant to change accordingly with the change of the ambient temperature. Therefore, a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer is needed to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to solve the problem that in the existing technology, the evaporator in the refrigerated dryer usually directly exchanges heat between the refrigerant and the compressed air, which easily leads to too high an evaporation temperature of the refrigerant, and this will cause the compressor to overheat and be damaged, and to propose a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer, including a refrigeration compressor, the surface of the refrigeration compressor is fixedly connected and communicated with a first pipeline and a sixth pipeline, the other ends of the first pipeline and the sixth pipeline are respectively fixedly connected and communicated with an oil separator and a vaporizer, the surface of the oil separator is fixedly connected and communicated with a second pipeline, the other end of the second pipeline is fixedly connected and communicated with a condenser, a plate heat exchanger is arranged on one side of the condenser, a fifth pipeline is fixedly connected between the vaporizer and the plate heat exchanger, and an aluminum plate fin heat exchanger and a heat preservation water tank are arranged behind the condenser.
[0006] Preferably, a drying filter and a thermostatic expansion valve are arranged between the plate heat exchanger and the condenser, a third pipeline is communicated between the condenser and the drying filter, both ends of the thermostatic expansion valve are fixedly connected and communicated with a fourth pipeline, and the other ends of the fourth pipeline are respectively fixedly connected and communicated with the plate heat exchanger and the drying filter.
[0007] Preferably, a water pump is arranged between the aluminum plate fin heat exchanger and the heat preservation water tank, both ends of the water pump are fixedly connected and communicated with an eighth pipeline, and the other ends of the eighth pipeline are respectively fixedly connected and communicated with the aluminum plate fin heat exchanger and the heat preservation water tank.
[0008] Preferably, a seventh pipeline is fixedly connected between the aluminum plate fin heat exchanger and the plate heat exchanger.
[0009] Preferably, a ninth pipeline is fixedly connected between the heat preservation water tank and the plate heat exchanger.
[0010] Preferably, air inlet pipes and air outlet pipes are fixedly connected to both side walls of the aluminum plate fin heat exchanger near the top.
[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.
[0012] In the present utility model, four basic components, namely a cold compressor, a condenser, an expansion valve, and an evaporator, are sequentially connected by pipelines to form a closed system. The energy storage liquid in the system circulates therein. The refrigeration system can reduce the temperature of the energy storage liquid to the required temperature point, and then the energy storage liquid can reduce the temperature of the compressed air in the evaporator. This can ensure the stable evaporation temperature of the refrigerant and prevent it from being too high, and can also well control the continuously changing dew point temperature of the compressed air. At the same time, when the load of the cold dryer is small, the energy storage system can store the excess cold energy and release it when needed, thereby saving power consumption. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 FIG. 1 is a left perspective view of the overall structure of a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer proposed by the present utility model;
[0014] Figure 2 FIG. 2 is a right perspective view of the overall structure of a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer proposed by the present utility model;
[0015] Figure 3 FIG. 3 is a top plan view of the overall structure of a compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer proposed by the present utility model.
[0016] Legend: 1, refrigeration compressor; 2, oil separator; 3, condenser; 4, drying filter; 5, thermostatic expansion valve; 6, plate heat exchanger; 7, vaporizer; 8, aluminum plate fin heat exchanger; 9, water pump; 10, heat preservation water tank; 11, first pipeline; 12, second pipeline; 13, third pipeline; 14, fourth pipeline; 15, fifth pipeline; 16, sixth pipeline; 17, seventh pipeline; 18, eighth pipeline; 19, ninth pipeline; 20, air inlet pipe; 21, air outlet pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
[0018] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited to the limitations of the specific embodiments disclosed in the following specification.
[0019] Embodiment 1, as Figures 1-3 shown, the present utility model provides a compressed air floating dew point highly energy-efficient air-cooled refrigerated dryer, which includes a refrigeration compressor 1. The surface of the refrigeration compressor 1 is fixedly connected and communicated with a first pipeline 11 and a sixth pipeline 16. The other ends of the first pipeline 11 and the sixth pipeline 16 are respectively fixedly connected and communicated with an oil separator 2 and a vaporizer 7. The surface of the oil separator 2 is fixedly connected and communicated with a second pipeline 12. The other end of the second pipeline 12 is fixedly connected and communicated with a condenser 3. A plate heat exchanger 6 is arranged on one side of the condenser 3. A fifth pipeline 15 is fixedly connected and communicated between the vaporizer 7 and the plate heat exchanger 6. An aluminum plate fin heat exchanger 8 and a heat preservation water tank 10 are arranged behind the condenser 3.
[0020] The effect achieved by the entire Embodiment 1 is that, through the surface of the refrigeration compressor 1 being fixedly connected and communicated with a first pipeline 11 and a sixth pipeline 16, the other ends of the first pipeline 11 and the sixth pipeline 16 being respectively fixedly connected and communicated with an oil separator 2 and a vaporizer 7, the surface of the oil separator 2 being fixedly connected and communicated with a second pipeline 12, the other end of the second pipeline 12 being fixedly connected and communicated with a condenser 3, a plate heat exchanger 6 being arranged on one side of the condenser 3, a fifth pipeline 15 being fixedly connected and communicated between the vaporizer 7 and the plate heat exchanger 6, and an aluminum plate fin heat exchanger 8 and a heat preservation water tank 10 being arranged behind the condenser 3, it can play a role in connecting four basic components such as the refrigeration compressor 1, the condenser 3, the thermostatic expansion valve 5, and the evaporator in sequence with pipelines to form a closed system. The refrigerant continuously circulates in the system. Using the refrigeration principle, by increasing intermediate heat transfer, cooling water energy storage and storing energy in the heat preservation water tank 10. When the storage amount reaches a certain set value, the refrigeration compressor 1 stops. At this time, the energy required for the compressed air is provided by the energy storage system. After all the cold stored in the energy storage system is released, the compressor restarts again, thus forming a cycle.
[0021] Embodiment 2, as Figures 1-3As shown, a drying filter 4 and a thermostatic expansion valve 5 are provided between the plate heat exchanger 6 and the condenser 3. A third pipeline 13 is connected between the condenser 3 and the drying filter 4. Both ends of the thermostatic expansion valve 5 are fixedly connected with a fourth pipeline 14, and the other ends of the fourth pipeline 14 are respectively fixedly connected with the plate heat exchanger 6 and the drying filter 4; a water pump 9 is provided between the aluminum plate fin heat exchanger 8 and the insulation water tank 10. Both ends of the water pump 9 are fixedly connected with an eighth pipeline 18, and the other ends of the eighth pipeline 18 are respectively fixedly connected with the aluminum plate fin heat exchanger 8 and the insulation water tank 10; a seventh pipeline 17 is fixedly connected between the aluminum plate fin heat exchanger 8 and the plate heat exchanger 6; a ninth pipeline 19 is fixedly connected between the insulation water tank 10 and the plate heat exchanger 6; air inlet pipes 20 and air outlet pipes 21 are fixedly connected to both side walls of the aluminum plate fin heat exchanger 8 and near the top.
[0022] The effect achieved by the entire embodiment 2 is that by providing a drying filter 4 and a thermostatic expansion valve 5 between the plate heat exchanger 6 and the condenser 3, a third pipeline 13 is connected between the condenser 3 and the drying filter 4, both ends of the thermostatic expansion valve 5 are fixedly connected with a fourth pipeline 14, and the other ends of the fourth pipeline 14 are respectively fixedly connected with the plate heat exchanger 6 and the drying filter 4, it can achieve the effect of removing moisture and impurities in the refrigerant by the drying filter 4, and at the same time, the effect of converting the passing gas or vapor into a liquid can be achieved by the condenser 3; by providing a water pump 9 between the aluminum plate fin heat exchanger 8 and the insulation water tank 10, both ends of the water pump 9 are fixedly connected with an eighth pipeline 18, and the other ends of the eighth pipeline 18 are respectively fixedly connected with the aluminum plate fin heat exchanger 8 and the insulation water tank 10, it can achieve the effect of pumping out the liquid in the insulation water tank 10 by the water pump 9 and pouring it into the interior of the aluminum plate fin heat exchanger 8; by fixedly connecting a seventh pipeline 17 between the aluminum plate fin heat exchanger 8 and the plate heat exchanger 6, it can achieve the effect of connecting the aluminum plate fin heat exchanger 8 and the plate heat exchanger 6; by fixedly connecting a ninth pipeline 19 between the insulation water tank 10 and the plate heat exchanger 6, it can achieve the effect of connecting the insulation water tank 10 and the plate heat exchanger 6; by fixedly connecting air inlet pipes 20 and air outlet pipes 21 to both side walls of the aluminum plate fin heat exchanger 8 and near the top, it can achieve the effect of allowing the aluminum plate fin heat exchanger 8 to intake and exhaust air.
[0023] Working principle: Four basic components, namely a refrigeration compressor 1, a condenser 3, a thermostatic expansion valve 5, and an evaporator, are connected in sequence by pipelines to form a closed system. The refrigerant continuously circulates in the system. By utilizing the refrigeration principle, through adding an intermediate coolant and water-cooling energy storage, energy is stored in the heat preservation water tank 10, and the excess cooling capacity of the refrigeration compressor 1 is stored. When the storage amount reaches a certain set value, the refrigeration compressor 1 stops. At this time, the energy required for compressed air is provided by the energy storage system. After all the stored cooling capacity of the energy storage system is released, the refrigeration compressor 1 restarts again, thus forming a cycle. This enables the pressure dew point of the cold dryer to always be only 5 - 15 °C lower than the ambient temperature at the air-using location, and the dew point temperature changes with the ambient temperature, thereby reducing the refrigeration capacity and input power of the cold dryer to achieve the purpose of energy conservation.
[0024] The wiring diagrams of the refrigeration compressor 1, oil separator 2, condenser 3, dryer filter 4, thermostatic expansion valve 5, plate heat exchanger 6, vaporizer 7, aluminum plate fin heat exchanger 8, and water pump 9 in the present utility model belong to the common general knowledge in the art. Their working principles are well-known technologies, and their models are selected according to actual use. Therefore, the control methods and wiring arrangements of the refrigeration compressor 1, oil separator 2, condenser 3, dryer filter 4, thermostatic expansion valve 5, plate heat exchanger 6, vaporizer 7, aluminum plate fin heat exchanger 8, and water pump 9 will not be explained in detail.
[0025] The above is only a preferred embodiment of the present utility model, and it is not intended to limit the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A compressed air floating dew point high efficiency energy-saving air-cooled refrigerated dryer, comprising a refrigeration compressor (1), characterized in that: A first pipe (11) and a sixth pipe (16) are fixed and connected to the surface of the refrigeration compressor (1); the other ends of the first pipe (11) and the sixth pipe (16) are respectively connected and fixed to an oil separator (2) and a vaporizer (7); a second pipe (12) is fixed and connected to the surface of the oil separator (2); the other end of the second pipe (12) is fixed and connected to a condenser (3); a plate heat exchanger (6) is provided on one side of the condenser (3); a fifth pipe (15) is fixed and connected between the vaporizer (7) and the plate heat exchanger (6); and an aluminum plate-fin heat exchanger (8) and an insulation water tank (10) are provided behind the condenser (3).
2. The compressed air floating dew point high-efficiency energy-saving air-cooled refrigerated dryer according to claim 1, characterized in that: A filter drier (4) and a thermal expansion valve (5) are provided between the plate heat exchanger (6) and the condenser (3); a third pipe (13) is connected between the condenser (3) and the filter drier (4); both ends of the thermal expansion valve (5) are fixedly connected to a fourth pipe (14); the other end of the fourth pipe (14) is fixedly connected to the plate heat exchanger (6) and the filter drier (4), respectively.
3. The compressed air floating dew point high efficiency energy-saving air-cooled refrigerated dryer according to claim 1, characterized in that: A water pump (9) is provided between the aluminum plate-fin heat exchanger (8) and the insulated water tank (10), and both ends of the water pump (9) are fixedly connected to an eighth pipe (18), and the other end of the eighth pipe (18) is fixedly connected to the aluminum plate-fin heat exchanger (8) and the insulated water tank (10), respectively.
4. The compressed air floating dew point high efficiency energy-saving air-cooled refrigerated dryer according to claim 1, characterized in that: A seventh pipeline (17) is fixedly connected between the aluminum plate-fin heat exchanger (8) and the plate heat exchanger (6).
5. The compressed air floating dew point high efficiency energy-saving air-cooled refrigerated dryer according to claim 1, characterized in that: A ninth pipe (19) is fixedly connected between the thermal insulation water tank (10) and the plate heat exchanger (6).
6. The compressed air floating dew point high efficiency energy saving air cooling type refrigeration dryer according to claim 1, characterized in that: An air inlet pipe (20) and an air outlet pipe (21) are fixedly connected to both side walls of the aluminum plate-fin heat exchanger (8) and near the top.