Drier with precooling

Abstract

The utility model discloses a kind of drying machines with precooling, the drying machine with precooling includes air inlet, return air inlet, primary evaporator, secondary evaporator and double-channel heat recovery core body;Primary evaporator is arranged in the air inlet channel of the double-channel heat recovery core body, the secondary evaporator is arranged in the return air channel of the double-channel heat recovery core body;Based on the new air flow input by the air inlet is input after the primary evaporator the double-channel heat recovery core body, the return air channel is accessed the air inlet channel, the return air flow of the return air channel sequentially after the secondary evaporator and the primary evaporator enters the double-channel heat recovery core body. By primary evaporator and secondary evaporator, the air flow into double-channel heat recovery core body is pre-cooled, so that the humidity of gas is reduced, thereby increasing the energy recovery of double-channel heat recovery core body to air flow, absorb more heat, improve the energy recovery efficiency of drying machine, reduce energy consumption.

Description

Technical Field

[0001] This utility model relates to the field of dryer technology, and in particular to a dryer with pre-cooling. Background Technology

[0002] To address the problem of excessive energy consumption, dryers on the market currently employ heat recovery to reduce energy consumption. However, most dryers have poor energy recovery efficiency and absorb limited energy, thus failing to effectively solve the problem of excessive energy consumption. Utility Model Content

[0003] To overcome the problems existing in related technologies, this utility model provides a dryer with pre-cooling. The gas at the air inlet is pre-cooled through a primary evaporator or the gas at the air return outlet is pre-cooled through a secondary evaporator, which reduces the humidity of the gas, thereby increasing the energy recovery of the heat recovery energy absorption core, absorbing more heat, improving the energy recovery efficiency of the dryer, and reducing energy consumption.

[0004] This utility model provides a pre-cooling dryer, which includes an air inlet, an air return outlet, a primary evaporator, a secondary evaporator, and a dual-channel heat recovery core.

[0005] The primary evaporator is installed in the air inlet channel of the dual-channel heat recovery core, and the secondary evaporator is installed in the air return channel of the dual-channel heat recovery core.

[0006] The fresh air flow input from the air inlet passes through the primary evaporator and then enters the dual-channel heat recovery core. The return air channel is connected to the air inlet channel, and the return air flow from the return air channel passes through the secondary evaporator and the primary evaporator in sequence before entering the dual-channel heat recovery core.

[0007] Furthermore, a first fan is provided at one end of the secondary evaporator.

[0008] Furthermore, the pre-cooled dryer also includes a condensation device, and one side of the dual-channel heat recovery core is connected to the condensation device.

[0009] Furthermore, a second fan is provided at one end of the condensation device.

[0010] Furthermore, the condensation equipment includes a primary condenser and a secondary condenser, wherein the primary condenser is connected to one side of the dual-channel heat recovery core;

[0011] The secondary condenser is connected to the second fan.

[0012] This utility model provides a dryer with pre-cooling. The air inlet passes through a primary evaporator or the return air outlet passes through a secondary evaporator for pre-cooling, which reduces the humidity of the air. This increases the energy recovery of the heat recovery core, absorbs more heat, improves the energy recovery efficiency of the dryer, and reduces energy consumption. Attached Figure Description

[0013] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0014] Figure 1 This is a structural schematic diagram of a pre-cooling dryer according to the present invention. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0016] Please refer to Figure 1 This utility model provides a pre-cooling dryer, which includes an air inlet 101, an air return outlet 102, a primary evaporator 21, a secondary evaporator 22, and a dual-channel heat recovery core 3;

[0017] The primary evaporator 21 is disposed in the air inlet channel of the dual-channel heat recovery core 3, and the secondary evaporator 22 is disposed in the air return channel of the dual-channel heat recovery core 3.

[0018] The fresh airflow input through the air inlet passes through the primary evaporator 21 and then enters the dual-channel heat recovery core 3. The return air channel connects to the air inlet channel, and the return airflow in the return air channel passes through the secondary evaporator 22 and the primary evaporator 21 in sequence before entering the dual-channel heat recovery core 3. The primary evaporator 21 can pre-cool the fresh airflow entering the air inlet channel, thereby increasing the temperature difference between the airflow input into the dual-channel heat recovery core 3 through the air inlet channel and the return airflow input through the return air inlet 102. This facilitates heat exchange within the dual-channel heat recovery core 3 and improves its energy recovery efficiency.

[0019] Specifically, the gas from the air inlet 101 passes through the primary evaporator 21, reducing its humidity before entering the dual-channel heat recovery core 3. The gas input from the dual-channel heat recovery core 3 to the return air channel passes through the secondary evaporator 22, further reducing the humidity of the airflow inside the return air channel. When the return airflow from the return air channel enters the air inlet channel of the dual-channel heat recovery core 3, it can be further pre-cooled by the primary evaporator 21 before entering the dual-channel heat recovery core 3. When the gas from the air inlet 101 and the gas from the return air inlet 102 enter the dual-channel heat recovery core 3 after passing through the primary evaporator 21, a significant temperature difference is formed between the gas from the air inlet 101 and the gas from the return air inlet 102 of the dual-channel heat recovery core 3. This enhances the heat recovery capacity of the heat exchange core, thereby increasing the energy recovery on the heat recovery energy absorption core, absorbing more heat, improving the energy recovery efficiency of the dryer, and reducing energy consumption.

[0020] Furthermore, a first fan 41 is provided at one end of the secondary evaporator 22. When the first fan 41 is running, it can drive the return airflow in the return air channel to flow through the secondary evaporator 22 and into the air inlet channel, where it will converge with the airflow in the air inlet channel and then be input into the dual-channel heat recovery core 3 through the primary evaporator 21.

[0021] Furthermore, the pre-cooled dryer also includes a condenser 5; one side of the dual-channel heat recovery core 3 is connected to the condenser 5, and finally the gas is heated by the condenser 5. The condenser 5 is connected to the drying chamber, and the gas is transformed into high-temperature dry gas and sent into the drying chamber.

[0022] Furthermore, a second fan 42 is provided at one end of the condensing device 5. The second fan 42 is located between the condensing device 5 and the drying oven, and the second fan 42 guides the high-temperature drying gas into the drying oven.

[0023] Specifically, the condensing device 5 includes a primary condenser 51 and a secondary condenser 52; the primary condenser 51 is connected to one side of the dual-channel heat recovery core 3; and the secondary condenser 52 is connected to the second fan 42.

[0024] Specifically, the gas first enters the primary condenser 51 through the dual-channel heat recovery core 3, and then enters the secondary condenser 52, which raises the temperature of the gas. Finally, the second fan 42 guides the high-temperature dry gas into the drying oven.

[0025] This invention provides a dryer with pre-cooling. Gas entering through the air inlet 101 passes through a primary evaporator 21, reducing its humidity, before entering the dual-channel heat recovery core 3. Gas entering through the return air inlet 102 passes through a secondary evaporator 22, reducing its humidity, before passing through the primary evaporator 21 again before entering the dual-channel heat recovery core 3. When the gas from the air inlet 101 and the return air inlet 102 enter the dual-channel heat recovery core 3 after passing through the primary evaporator 21, a significant temperature difference is created between them. This enhances the heat recovery capacity of the heat exchange core, thereby increasing energy recovery on the heat recovery core, absorbing more heat, improving the dryer's energy recovery efficiency, and reducing energy consumption.

[0026] Furthermore, the pre-cooling dryer provided in the embodiments of this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A dryer with pre-cooling, characterized in that, The pre-cooled dryer includes an air inlet, an air return outlet, a primary evaporator, a secondary evaporator, and a dual-channel heat recovery core. The primary evaporator is installed in the air inlet channel of the dual-channel heat recovery core, and the secondary evaporator is installed in the air return channel of the dual-channel heat recovery core. The fresh air flow input from the air inlet passes through the primary evaporator and then enters the dual-channel heat recovery core. The return air channel is connected to the air inlet channel, and the return air flow from the return air channel passes through the secondary evaporator and the primary evaporator in sequence before entering the dual-channel heat recovery core.

2. The dryer with pre-cooling according to claim 1, characterized in that, The secondary evaporator is equipped with a first fan at one end.

3. The dryer with pre-cooling according to claim 1, characterized in that, The pre-cooled dryer also includes a condensation device; One side of the dual-channel heat recovery core is connected to the condensation equipment.

4. The dryer with pre-cooling according to claim 3, characterized in that, The condensation device is equipped with a second fan at one end.

5. The dryer with pre-cooling according to claim 4, characterized in that, The condensation equipment includes a primary condenser and a secondary condenser; The primary condenser is connected to one side of the dual-channel heat recovery core; The secondary condenser is connected to the second fan.

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