Airtight structure for low dew point dehumidifier

By using a combination of docking and sealing rings in the airtight structure of the low dew point dehumidifier, the problems of complex welding and cumbersome sealing ring replacement are solved, and the convenience of replacement of sealing rings and efficient equipment maintenance are achieved.

CN222658269UActive Publication Date: 2025-03-25LUNTE ENVIRONMENTAL TECH WUXI CO LTD
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Patent Information

Application Number
CN202420435535.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-03-25
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The existing airtight structures used in low dew point dehumidifiers have problems such as high welding technology requirements and inconvenient dismantling. The flange sealing method requires dismantling multiple bolts when replacing the sealing ring, which is cumbersome.

Method used

A docking device is used to connect to the conduit, and a sealing ring is set in the docking device. The end of the conduit passes through the sealing ring, and the sealing ring is sealed by extrusion and deformation. When replacing the seal ring, the seal ring can be replaced directly without disassembling the conduit and docking device.

Benefits of technology

The convenience of replacing the sealing ring is achieved, the complexity of welding and the cumbersome operation of the flange sealing method are avoided, and the maintenance and use efficiency of the equipment is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The airtight structure comprises a return air filter, a regeneration filter and a dehumidification heater, the return air filter is connected with a condenser through a guide pipe, the guide pipe connected with the condenser right faces a honeycomb type rotating wheel, one end of the regeneration filter is connected with a regeneration motor, and the other end of the regeneration filter is connected with a dehumidification heater. One end of the regeneration motor is connected with the regeneration heater through a guide pipe, the other end of the return air filter is connected with the drying charging barrel through a guide pipe, and one end of the drying charging barrel is in butt joint with the dehumidification heater. Therefore, inlets and outlets of conduits and various devices are inserted into the butt joint device and penetrate through the sealing ring, and the sealing ring is extruded and deformed to play a sealing role. Therefore, the sealing ring is very convenient to replace; the ring body is arranged to be tightly connected with an inlet and an outlet of a guide pipe or equipment inserted into the butt joint device in an inserted mode, and therefore the connecting strength and stability can be guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of dehumidifiers, in particular to an airtight structure for a low dew point dehumidifier. Background Art

[0002] Dehumidifiers have strict requirements on the air tightness of ventilation equipment and devices. Any leakage will cause the performance of the equipment to decline. The main methods currently used in the market are: 1. Full welding of dehumidifier ventilation equipment; 2. Gluing after fixing the connection parts; 3. For flange parts that need to be disassembled for maintenance, use sponge sealing strips and bolts to seal them.

[0003] The connection method through welding has the following problems: the welding technology is demanding, welds are prone to occur, and the welding method is not convenient for dismantling and subsequent maintenance; while the connection is carried out through flanges, a sealing ring is set between the two flanges, and then the two flanges are fixed with bolts, thereby compressing the sealing ring to achieve sealing. After the sealing ring has been used for a period of time, the sealing ring becomes thinner and needs to be replaced. At this time, multiple bolts need to be removed to replace the sealing ring, which is more troublesome to replace the sealing ring. Utility Model Content

[0004] In view of the problems existing in the existing airtight structure for low dew point dehumidifiers, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide an airtight structure for a low dew point dehumidifier, which solves the problems that the welding technology has high requirements, welds are prone to appear, and the welding method is not convenient for dismantling and subsequent maintenance; butt joints are performed by means of flanges, a sealing ring is arranged between the two flanges, and the two flanges are fixed with bolts, thereby compressing the sealing ring to achieve sealing. After the sealing ring has been used for a period of time, the sealing ring becomes thinner and needs to be replaced. At this time, multiple bolts need to be removed to replace the sealing ring, and the replacement of the sealing ring is relatively troublesome.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] An airtight structure for a low dew point dehumidifier, comprising a return air filter, a regeneration filter and a dehumidification heater, wherein the return air filter is connected to a condenser via a conduit, the conduit connected to the condenser faces the honeycomb rotor, one end of the regeneration filter is connected to a regeneration motor, one end of the regeneration motor is connected to the regeneration heater via a conduit, the other end of the return air filter is connected to a drying barrel via a conduit, one end of the drying barrel is butt-jointed with the dehumidification heater, one end of the condenser is connected to a compressor via a conduit, and the return air filter is butt-jointed with the conduits on both sides via a butt joint;

[0008] A sealing ring is provided inside the butt joint, a flange is provided at one end of the conduit butted against the butt joint, and the end of the conduit passes through the sealing ring.

[0009] As a preferred solution of the airtight structure for the low dew point dehumidifier described in the utility model, wherein: two sealing rings are provided, and the two sealing rings are respectively sleeved on the conduits on both sides.

[0010] As a preferred solution of the airtight structure for a low dew point dehumidifier described in the utility model, wherein: two sealing rings are bonded to the inner wall of the docking device by glue.

[0011] As a preferred solution of the airtight structure for a low dew point dehumidifier described in the utility model, an annular groove is provided on the inner wall of the docking device, and the sealing ring is located in the annular groove.

[0012] As a preferred solution of the airtight structure for the low dew point dehumidifier described in the utility model, a ring body is welded in the middle of the inner cavity of the docking device, a through hole is provided on the ring body, large through holes are provided on both sides of the through hole, and the flange is inserted into the large through hole with interference fit.

[0013] As a preferred solution of the airtight structure for a low dew point dehumidifier described in the utility model, a cutout is provided on the sealing ring.

[0014] Compared with existing technologies:

[0015] 1. By setting a docking device and a sealing ring in the docking device, the inlet and outlet of the catheter and various equipment are inserted into the docking device and passed through the sealing ring. The sealing ring is squeezed and deformed to play a sealing role; therefore, the replacement of the sealing ring is very convenient;

[0016] 2. The ring body is tightly plugged into the inlet and outlet of the catheter or device inserted into the docking device, thereby ensuring the strength and stability of the connection;

[0017] 3. By cutting off the sealing ring, the sealer can be replaced without disassembling the catheter and the docking device, making the replacement of the sealing ring more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure provided for Example 1 of the utility model;

[0019] Figure 2 A cross-sectional view of a docking device provided in Example 1 of the utility model;

[0020] Figure 3A schematic diagram of the butt joint provided by Example 1 of the utility model and the pipeline after being butt jointed;

[0021] Figure 4 A cross-sectional view of a docking device provided in Example 2 of the utility model;

[0022] Figure 5 A schematic diagram of the docking of a docking device and a pipeline provided in Example 2 of the utility model;

[0023] Figure 6 A schematic diagram of the docking of a docking device and a pipeline provided in Example 3 of the utility model;

[0024] Figure 7 Provided for Example 3 of the utility model Figure 6 Enlarged view of point A in the middle;

[0025] Figure 8 A schematic diagram of the sealing ring provided in Example 4 of the utility model.

[0026] In the figure: return air filter 1, condenser 2, regeneration filter 3, regeneration motor 4, honeycomb rotor 5, compressor 6, regeneration heater 7, drying barrel 8, dehumidification heater 9, docking device 100, sealing ring 101, cutout 1011, annular groove 102, ring body 103, large through hole 104, through hole 105, conduit 200, flange 201. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Embodiment 1:

[0029] The utility model provides an airtight structure for a low dew point dehumidifier, please refer to Figure 1-3 , including a return air filter 1, a regeneration filter 3 and a dehumidification heater 9. The return air filter 1 is connected to the condenser 2 through a conduit. The conduit connected to the condenser 2 is directly opposite to the honeycomb rotor 5. One end of the regeneration filter 3 is connected to the regeneration motor 4. One end of the regeneration motor 4 is connected to the regeneration heater 7 through a conduit. The other end of the return air filter 1 is connected to the drying barrel 8 through a conduit. One end of the drying barrel 8 is docked with the dehumidification heater 9. One end of the condenser 2 is connected to the compressor 6 through a conduit. The return air filter 1 is docked with the conduits 200 on both sides through a docking device 100. The above contents are all existing technologies of existing dehumidifiers and will not be repeated here. Of course, the docking method between the condenser 2, the compressor 6, the regeneration heater 7, the drying barrel 8, the dehumidification heater 9 and the pipeline can be selected as the docking method between the return air filter 1 and the pipeline;

[0030] A sealing ring 101 is sleeved inside the docking device 100, a flange 201 is provided at one end of the conduit 200 docked with the docking device 100, and the end of the conduit 200 passes through the sealing ring 101; two sealing rings 101 are provided, and the two sealing rings 101 are respectively sleeved on the conduits 200 on both sides, and the two sealing rings 101 are bonded to the inner wall of the docking device 100 by glue; the conduit 200 and the docking device 100 can fully clamp the sealing ring 101 and deform the sealing ring 101, thereby ensuring the sealing between the conduit 200 and the docking device 100; the inlet and outlet of the return air filter 1 are the same as the end of the conduit 200.

[0031] During specific use, the conduit connected to the inlet and outlet of the return air filter 1 and the inlet and outlet of the return air filter 1 are inserted into the docking connector 100 together, and pass through the sealing ring 101 together, and the sealing ring 101 is used to seal the docking connector 100 and the conduit 200; when replacing the sealing ring 101, the conduit 200 is pulled out of the docking connector 100, and then the inlet and outlet of the return air filter 1 are separated from the docking connector 100, and the sealing ring 101 is replaced before installation.

[0032] Embodiment 2:

[0033] See attached Figure 4-5 , which is different from Example 1, is that an annular groove 102 is provided on the inner wall of the docking connector 100, and the sealing ring 101 is located in the annular groove 102; under the limiting effect of the annular groove 102, the sealing ring 101 is not easy to move in the docking connector 100, thereby avoiding the sealing ring 101 from moving out of the docking connector 100, and always maintaining the sealing performance in the docking connector 100.

[0034] During specific use, the conduit connected to the inlet and outlet of the return air filter 1 and the inlet and outlet of the return air filter 1 are inserted into the docking connector 100 together, and pass through the sealing ring 101 together, and the sealing ring 101 is used to seal the docking connector 100 and the conduit 200; when replacing the sealing ring 101, the conduit 200 is pulled out of the docking connector 100, and then the inlet and outlet of the return air filter 1 are separated from the docking connector 100, and the sealing ring 101 is replaced before installation.

[0035] Embodiment 3:

[0036] See attached Figure 6-7 , which is different from Example 1, is that a ring body 103 is welded in the middle of the inner cavity of the docking device 100, a through hole 105 is provided on the ring body 103, large through holes 104 are provided on both sides of the through hole 105, and the flange 201 is inserted into the large through hole 104 by interference fit; thereby, the stability between the docking device 100 and the catheter 200 can be ensured, making it difficult for the two to shake relative to each other.

[0037] During specific use, the conduit connected to the inlet and outlet of the return air filter 1 and the inlet and outlet of the return air filter 1 are inserted into the docking connector 100 together, and pass through the sealing ring 101 together, and the sealing ring 101 is used to seal the docking connector 100 and the conduit 200; when replacing the sealing ring 101, the conduit 200 is pulled out of the docking connector 100, and then the inlet and outlet of the return air filter 1 are separated from the docking connector 100, and the sealing ring 101 is replaced before installation.

[0038] Embodiment 4:

[0039] See attached Figure 8 , which is different from Example 1, is that a cutout 1011 is provided on the sealing ring 101, and the sealing ring 101 is stretched open to become a strip; at this time, a blade and tweezers can be used to take out the old sealing ring 101 in the docking device 100, and a new sealing ring 101 can be placed in the docking device 100 and put on the catheter 200.

[0040] During specific use, the conduit connected to the inlet and outlet of the return air filter 1 and the inlet and outlet of the return air filter 1 are inserted into the docking connector 100 together, and pass through the sealing ring 101 together, and the sealing ring 101 is used to seal the docking connector 100 and the conduit 200; when replacing the sealing ring 101, the conduit 200 is pulled out of the docking connector 100, and then the inlet and outlet of the return air filter 1 are separated from the docking connector 100, and the sealing ring 101 is replaced before installation.

[0041] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An airtight structure for a low dew point dehumidifier, comprising a return air filter (1), a regeneration filter (3) and a dehumidification heater (9), wherein the return air filter (1) is connected to a condenser (2) via a conduit, the conduit connected to the condenser (2) is directly opposite to a honeycomb rotor (5), one end of the regeneration filter (3) is connected to a regeneration motor (4), one end of the regeneration motor (4) is connected to a regeneration heater (7) via a conduit, the other end of the return air filter (1) is connected to a drying barrel (8) via a conduit, one end of the drying barrel (8) is connected to the dehumidification heater (9), and one end of the condenser (2) is connected to a compressor (6) via a conduit, characterized in that: The return air filter (1) is docked with the ducts (200) on both sides via a docking device (100); A sealing ring (101) is sleeved inside the docking device (100), a flange (201) is provided at one end of the conduit (200) docked with the docking device (100), and a terminal end of the conduit (200) passes through the sealing ring (101).

2. The airtight structure for a low dew point dehumidifier according to claim 1, characterized in that: Two sealing rings (101) are provided, and the two sealing rings (101) are respectively sleeved on the conduits (200) on both sides.

3. The airtight structure for a low dew point dehumidifier according to claim 2, characterized in that: The two sealing rings (101) are both bonded to the inner wall of the butt joint (100) by glue.

4. The airtight structure for a low dew point dehumidifier according to claim 2 or 3, characterized in that: An annular groove (102) is provided on the inner wall of the docking device (100), and the sealing ring (101) is located in the annular groove (102).

5. The airtight structure for a low dew point dehumidifier according to claim 4, characterized in that: A ring body (103) is welded in the middle of the inner cavity of the docking device (100), a through hole (105) is provided on the ring body (103), large through holes (104) are provided on both sides of the through hole (105), and the flange (201) is inserted into the large through hole (104) by interference fit.

6. The airtight structure for a low dew point dehumidifier according to claim 3, characterized in that: The sealing ring (101) is provided with a cutout (1011).