A hot gas bypass dehumidification device
The hot air bypass dehumidification device, controlled by multi-stage drying components and humidity sensors, solves the problem of low dehumidification efficiency in existing devices under low-temperature conditions, achieving efficient drying and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI HANYE REFRIGERATION MACHINERY
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-05
AI Technical Summary
Existing hot air bypass dehumidification devices have low dehumidification efficiency in low-temperature environments and incomplete drying, making it impossible to detect desiccant saturation in time, which affects equipment safety.
The hot air bypass dehumidification device, which employs multi-stage drying components and humidity sensors for control, achieves selective channel regulation of hot air through staged drying and humidity detection, thereby improving drying efficiency and safety.
It achieves efficient drying in low-temperature environments, improves the efficiency of hot air circulation, ensures drying effect, and enhances the safety and working efficiency of the equipment.
Smart Images
Figure CN224327299U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of hot gas bypass dehumidification devices, specifically a hot gas bypass dehumidification device. Background Technology
[0002] In many practical applications, excessively high air humidity can adversely affect product quality, equipment operation, and human health. Currently, common dehumidification methods include condensation dehumidification and absorption dehumidification. Condensation dehumidification removes moisture by lowering the air temperature to condense water vapor into liquid water. However, in low-temperature environments, frost easily forms on the evaporator surface, leading to a significant decrease in dehumidification efficiency. Existing hot air bypass dehumidification devices can generally only perform a single drying process per cycle when drying hot airflow, which can easily result in incomplete drying. Furthermore, once the desiccant is saturated, the drying status cannot be detected in time, which hinders the improvement of equipment safety. Utility Model Content
[0003] The purpose of this invention is to provide a hot air bypass dehumidification device to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A dehumidification device employing hot gas bypass includes
[0006] A drying assembly, comprising a first dryer, a second dryer, and a third dryer, wherein the first dryer, the second dryer, and the third dryer dehumidify the hot air in stages.
[0007] A bypass connector is provided, wherein several bypass connectors are provided, and the bypass connectors connect the first dryer, the second dryer and the third dryer in sequence. The bypass connector includes an output pipe and a return pipe for hot water output.
[0008] In a preferred embodiment of this utility model, the first dryer, the second dryer, and the third dryer have the same structure. The bottom end of the first dryer is threadedly sealed with a bottom end cover, and a baffle is fixedly installed on the inner wall of the bottom end of the first dryer.
[0009] In a preferred embodiment of this utility model, a drying filter element is fixedly installed on the top of the baffle, and metal heat sinks are uniformly arranged inside the drying filter element. Desiccant is filled between adjacent metal heat sinks, and the baffle is configured as an annular shape.
[0010] In a preferred embodiment of the present invention, the first dryer consists of an outer cylinder and an inner cylinder, the cavity between the outer cylinder and the inner cylinder is filled with coolant, and the top output end of the first dryer is threadedly sealed to a top cover plate.
[0011] In a preferred embodiment of this utility model, the top of the top cover is connected to a sealed output pipe, and the inner wall of the bottom cover is connected to a sealed hot air input pipe.
[0012] In a preferred embodiment of this utility model, the output end of the output tube is fixedly connected to the return tube, and the return tube is fixedly connected to the bottom end of the second dryer.
[0013] In a preferred embodiment of this utility model, a first humidity sensor is fixedly installed on the outer wall of the output pipe, and a first solenoid valve is fixedly installed on the outer wall of the return pipe.
[0014] In a preferred embodiment of this utility model, a manifold is fixedly connected to the bottom outer wall of the output pipe, and a second solenoid valve is fixedly installed on the outer wall of the manifold. Multiple manifolds are fixedly connected in cooperation.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
[0016] 1. By setting up drying components, the hot airflow is dried step by step with the cooperation of multiple dryers. After the drying requirements are met, the hot airflow can be discharged in time through the manifold. The multiple manifolds are connected to form a connected channel, which improves the efficiency of hot air circulation.
[0017] 2. By setting a first humidity sensor to detect the humidity of the hot air in the output pipe, it is convenient to control the opening and closing of the first and second solenoid valves, thereby enabling the hot air to selectively enter the corresponding channel, improving work efficiency and saving cyclic steps. Attached Figure Description
[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0019] Figure 1 This is a schematic diagram of the main structure of a hot air bypass dehumidification device;
[0020] Figure 2 This is a schematic diagram of the direction of hot air flow in a hot air bypass dehumidification device;
[0021] Figure 3 This is a schematic diagram of the drying unit structure in a hot gas bypass dehumidification device;
[0022] Figure 4 This is a schematic diagram of the bottom structure of a drying cylinder in a hot gas bypass dehumidification device;
[0023] Figure 5 This is a schematic diagram of the bypass pipe structure in a hot gas bypass dehumidification device;
[0024] Figure 6 This is a schematic diagram of the structure of a drying filter element in a hot gas bypass dehumidification device.
[0025] In the figure: First dryer 100, baffle 110, bottom cover 120, top cover plate 130, drying filter element 140, metal heat sink 141, desiccant 142, second dryer 200, third dryer 300, output pipe 400, first humidity sensor 410, return pipe 420, first solenoid valve 421, manifold 430, second solenoid valve 431, hot air input pipe 500. Detailed Implementation
[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0027] Example 1: As Figures 1-6 ,include
[0028] The drying assembly includes a first dryer 100, a second dryer 200, and a third dryer 300, which dehumidify the hot air step by step.
[0029] A bypass connector is provided, and several bypass connectors are provided to connect the first dryer 100, the second dryer 200 and the third dryer 300 in sequence. The bypass connector includes an output pipe 400 for hot water output and a return pipe 420.
[0030] The specific application scenario of this embodiment is as follows: by setting up a drying component, the hot airflow is dried step by step under the cooperation of multiple dryers. After the drying requirements are met, the hot airflow can be discharged in time through the manifold 430. The multiple manifolds 430 are connected to form a connected channel, which improves the efficiency of hot air circulation.
[0031] By setting the first humidity sensor 410 to detect the humidity of the hot air in the output pipe 400, it is convenient to control the opening and closing of the first solenoid valve 421 and the second solenoid valve 431, so that the hot air can selectively enter the corresponding channel, improving work efficiency and saving cycle steps.
[0032] Example 2: As Figure 2 and Figure 3 The first dryer 100, the second dryer 200, and the third dryer 300 have the same structure. The bottom end of the first dryer 100 is threadedly sealed to the bottom end cover 120. A baffle 110 is fixedly installed on the inner wall of the bottom end of the first dryer 100. A drying filter element 140 is fixedly installed on the top of the baffle 110. Metal heat sinks 141 are evenly arranged inside the drying filter element 140. Desiccant 142 is filled between adjacent metal heat sinks 141. The baffle 110 is set as a ring. The first dryer 100 consists of an outer cylinder and an inner cylinder. The cavity between the outer cylinder and the inner cylinder is filled with coolant. The top output end of the first dryer 100 is threadedly sealed to the top cover plate 130. The top of the top cover plate 130 is inserted and sealed to the output pipe 400. The inner wall of the bottom end cover 120 is inserted and sealed to the hot air input pipe 500.
[0033] The specific application scenario of this embodiment is as follows: By setting the bottom cover 120 and the top cover plate 130 together, the bottom and top of the first dryer 100 can be easily disassembled, thereby facilitating the installation of the drying filter element 140. The baffle 110 provides support and limit for the drying filter element 140, so that the drying filter element 140 can be stably placed inside the first dryer 100. The metal heat sink 141 is used to exchange heat with the hot gas, improving the condensation effect of moisture in the gas, thereby facilitating the rapid absorption of moisture in the hot gas by the desiccant 142. The coolant is R22, which has good refrigeration performance, moderate refrigeration capacity per unit volume, and moderate evaporation and condensation pressures, and can work in a wide temperature range.
[0034] Example 3: As Figure 5 The output end of the output pipe 400 is fixedly connected to the return pipe 420. The return pipe 420 is fixedly connected to the bottom end of the second dryer 200. The first humidity sensor 410 is fixedly installed on the outer wall of the output pipe 400. The first solenoid valve 421 is fixedly installed on the outer wall of the return pipe 420. The bottom end of the output pipe 400 is fixedly connected to the manifold 430. The second solenoid valve 431 is fixedly installed on the outer wall of the manifold 430. Multiple manifolds 430 are fixedly connected together.
[0035] The specific application scenario of this embodiment is as follows: by setting up the return pipe 420 and the manifold 430 for use together, the humidity of the flowing air is detected, and the gas that has not met the drying requirements is re-entered into the next dryer for drying. The gas that has reached the drying state is discharged through the manifold 430, which facilitates the diversion of gases with different humidity levels. Thus, while meeting the drying effect, the airflow can be quickly circulated, improving the circulation efficiency.
[0036] The working principle of this utility model is as follows: When used by those skilled in the art, hot air from the hot and cold circulation system is transported to the first dryer 100 through the hot air inlet pipe 500. The refrigerant between the inner and outer cylinders of the first dryer 100 is used to exchange heat with the hot water to accelerate the liquefaction of water in the hot air. At the same time, the water in the hot air is dried and cooled by the metal heat sink 141 in the drying filter element 140. The water is dried by the desiccant 142 in the drying filter element 140. Then, the hot air is discharged through the outlet pipe 400 at the top of the first dryer 100.
[0037] The humidity of the gas dried by the first dryer 100 is detected by the first humidity sensor 410 installed on the outer wall of the output pipe 400. After the drying standard is met, the first solenoid valve 421 is closed and the second solenoid valve 431 is opened, so that the hot gas is discharged through the manifold 430.
[0038] When the first humidity sensor 410 detects that the hot air temperature is higher than the required humidity, it controls the opening of the first solenoid valve 421 and the closing of the second solenoid valve 431, so that the hot air is transported to the second dryer 200 through the return pipe 420 for another drying cycle. After drying is completed, the hot air enters the next cycle stage through the manifold 430, and the drying filter element 140 is replaced periodically.
[0039] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A dehumidification device employing hot gas bypass, characterized in that, include A drying assembly, comprising a first dryer (100) and a second dryer (200). The first dryer (100), the second dryer (200) and the third dryer (300) dehumidify the hot air step by step; A bypass connector is provided, wherein a plurality of bypass connectors are provided, and the bypass connectors connect the first dryer (100), the second dryer (200) and the third dryer (300) in sequence. The bypass connectors include an output pipe (400) for hot water output and a return pipe (420).
2. The hot gas bypass dehumidification device according to claim 1, characterized in that, The first dryer (100), the second dryer (200) and the third dryer (300) have the same structure. The bottom end of the first dryer (100) is threadedly sealed with a bottom end cover (120), and a baffle (110) is fixedly installed on the inner wall of the bottom end of the first dryer (100).
3. A hot gas bypass dehumidification device according to claim 2, characterized in that, A drying filter element (140) is fixedly installed on the top of the baffle (110). Metal heat sinks (141) are uniformly arranged inside the drying filter element (140). Desiccant (142) is filled between adjacent metal heat sinks (141). The baffle (110) is set as an annular shape.
4. A hot gas bypass dehumidification device according to claim 3, characterized in that, The first dryer (100) consists of an outer cylinder and an inner cylinder, and the cavity between the outer cylinder and the inner cylinder is filled with coolant. The top output end of the first dryer (100) is threadedly sealed to a top cover plate (130).
5. A hot gas bypass dehumidification device according to claim 4, characterized in that, The top of the top cover plate (130) is connected to a sealed output pipe (400), and the inner wall of the bottom cover (120) is connected to a sealed hot air input pipe (500).
6. A hot gas bypass dehumidification device according to claim 1, characterized in that, The output end of the output tube (400) is fixedly connected to the return tube (420), and the return tube (420) is fixedly connected to the bottom end of the second dryer (200).
7. A hot gas bypass dehumidification device according to claim 6, characterized in that, A first humidity sensor (410) is fixedly installed on the outer wall of the output pipe (400), and a first solenoid valve (421) is fixedly installed on the outer wall of the return pipe (420).
8. A hot gas bypass dehumidification device according to claim 7, characterized in that, The bottom outer wall of the output pipe (400) is fixedly connected to the manifold (430), and a second solenoid valve (431) is fixedly installed on the outer wall of the manifold (430). Multiple manifolds (430) are fixedly connected to each other.