Heat exchange and water removal structure of compressed gas drying machine

By installing a gas filter at the air inlet of the heat exchange chamber of the compressed gas dryer, the problem of efficiency reduction caused by the residual impurities of the heat exchange tube is solved, and a more efficient heat exchange effect is achieved, and the filter is cleaned and reused.

CN222956181UActive Publication Date: 2025-06-10WUXI UNITED ULTRAFILTRATION PURIFICATION EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422173610.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-06-10
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The heat exchange tube of the compressed gas dryer reduces the heat exchange efficiency due to the residue of impurities.

Method used

A gas filter is installed at the air inlet of the heat exchange chamber of the compressed gas dryer to filter impurities in the gas through the gas filter, and to facilitate cleaning of the filter through a removable connection structure.

Benefits of technology

Effectively prevent impurities from being attached to the heat exchange pipe, improves heat exchange efficiency, and facilitates the cleaning and reuse of the filter through a removable design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas drying equipment, and discloses a heat exchange and water removal structure of a compressed gas dryer, the interior of a structure body is divided into a heat exchange cavity, a condensation cavity and a liquid collection cavity, an air inlet is formed in the upper end of the side edge of the structure body, the air inlet is communicated with the heat exchange cavity, a gas filter is installed in the air inlet, and the liquid collection cavity is communicated with the condensation cavity. The gas filter is sleeved with a connecting shell, a limiting hole is formed in the side edge of the connecting shell, an inserting block is arranged in the limiting hole, a cavity is formed in the structure body and communicates with the limiting hole, one end of the inserting block is connected with a sleeve, a connecting plate is slidably installed in the cavity, and the connecting plate is fixedly connected with the connecting shell. A connecting rod is rotatably connected between the connecting plate and the sleeve, the sleeve is slidably connected with the inner wall of the cavity, and a rotating rod is arranged at the outer end of the connecting plate. When compressed gas enters the heat exchange cavity, impurities in the gas are filtered, so that the phenomenon that the compressed gas is greatly attached to the heat exchange pipes, and consequently the heat exchange efficiency is reduced is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas drying equipment, and particularly relates to a heat exchange and water removal structure of a compressed gas dryer. Background Art

[0002] A compressed gas dryer is a device that separates moisture in wet air by condensation and then obtains relatively dry air. The compressed gas exchanges heat with a heat exchange tube in a heat exchange cavity of a heat exchange structure. However, since the gas contains impurities such as dust, after a certain period of use, impurities in the gas will remain on the heat exchange tube, resulting in a reduction in heat exchange efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide a heat exchange and water removal structure of a compressed gas dryer to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A heat exchange and water removal structure of a compressed gas dryer, including a structure body. The interior of the structure body is divided into a heat exchange cavity, a condensation cavity, and a liquid collection cavity. An air inlet is opened at the upper end of the side of the structure body, and the air inlet is communicated with the heat exchange cavity. A gas filter is installed in the air inlet, and a connection shell is sleeved outside the gas filter. A limiting hole is opened on the side of the connection shell, and an insertion block is arranged in the limiting hole. A cavity is arranged inside the structure body, and the cavity is communicated with the limiting hole. One end of the insertion block located in the cavity is connected with a sleeve. An adapter plate is slidably installed in the cavity, and a connecting rod is rotatably connected between the adapter plate and the sleeve. The sleeve is slidably connected with the inner wall of the cavity. A rotating rod is arranged at the outer end of the adapter plate, and the rotating rod penetrates through the structure body and extends to the outside.

[0005] In the present application solution, the following improvements are made: A fixing rod is arranged on the inner side wall of the cavity, the sleeve is slidably sleeved on the fixing rod, and a spring is sleeved on the part of the insertion block located in the cavity.

[0006] In the present application solution, the following improvements are made: Grooves adapted to the moving track of the adapter plate are opened on both sides of the inner wall of the cavity. External threads are arranged on the surface of the rotating rod, and an internal thread hole corresponding to it is arranged on the structure body. The internal thread hole is communicated with the cavity.

[0007] In the present application solution, the following improvements are made: A plurality of heat exchange tubes are arranged in parallel in the heat exchange cavity. The heat exchange cavity is communicated with the condensation cavity through a bent pipe. A partition board is arranged between the liquid collection cavity and the heat exchange cavity and the condensation cavity.

[0008] The following improvements are made in the present application: the lower end of the heat exchange tube passes through the partition and is connected to the liquid collecting chamber, an air outlet is provided at the top of the structural body corresponding to the heat exchange chamber, a pipe is installed on the air outlet, a baffle is provided at the end of the heat exchange chamber away from the liquid collecting chamber, the upper end of the heat exchange tube passes through the baffle and is connected to the air outlet, and a plurality of baffles are staggered in the heat exchange chamber along the length direction of the heat exchange tube.

[0009] The following improvements are made in the present application: a plurality of ventilation pipes are provided in the condensing chamber, the lower ends of the ventilation pipes penetrate the partition and communicate with the liquid collecting chamber, the elbow is located in the condensing chamber, and baffle 2 is provided through the upper ends of the elbow and the ventilation pipe, and a cold source outlet and a cold source inlet are provided above and below the side of the condensing chamber away from the heat exchange chamber. By providing baffle 2, the elbow outlet and the ventilation pipe inlet are isolated in one space to avoid mixed flow.

[0010] The following improvement is made in the solution of the present application: a liquid discharge port communicating with the outside is provided at the bottom of the liquid collecting chamber, and a pipeline is installed in the liquid discharge port.

[0011] Compared with the prior art, the utility model provides a heat exchange and water removal structure of a compressed gas dryer, which has the following beneficial effects:

[0012] The utility model provides a gas filter at the air inlet of the heat exchange chamber to filter impurities in the gas when the compressed gas enters the heat exchange chamber, so as to prevent the impurities from being attached to the heat exchange tubes in large quantities and causing a decrease in heat exchange efficiency; and then the detachable connection between the gas filter and the structural body is realized through the matching arrangement between the connecting shell and the plug block. The rotating rod is rotated forward, and the connecting plate moves to the right with the rotation of the rotating rod, and drives the connecting rod to push the sleeve to move toward the outer end of the fixed rod, and pushes the plug block into the limiting hole to lock the connecting shell. When disassembling, it is only necessary to rotate the rotating rod in the opposite direction to drive the connecting plate to move to the left, so that the connecting rod drives the sleeve and the plug block to move into the cavity and exit the limiting hole, thereby releasing the restriction on the connecting shell, and removing the gas filter for cleaning for reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the utility model;

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0015] In the figure: 1. Structural body; 11. Heat exchange chamber; 111. Heat exchange tube; 112. First baffle; 113. Baffle plate; 12. Condensation chamber; 121. Vent pipe; 122. Second baffle; 123. Cold source outlet; 124. Cold source inlet; 13. Liquid collection chamber; 131. Drain port; 14. Air inlet; 15. Cavity; 151. Groove; 16. Air outlet; 2. Gas filter; 21. Connecting housing; 22. Limiting hole; 3. Insert block; 31. Sleeve; 32. Spring; 4. Connecting plate; 41. Link; 42. Rotating rod; 43. Fixed rod; 5. Elbow pipe; 6. Partition board. Detailed implementation mode

[0016] The technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention:

[0017] As Figure 1-2 shown, a heat exchange and water removal structure of a compressed gas dryer includes a structural body 1. The interior of the structural body 1 is divided into a heat exchange chamber 11, a condensation chamber 12 and a liquid collection chamber 13. Among them, the heat exchange chamber 11 and the condensation chamber 12 are connected through an elbow pipe 5. A partition board 6 is provided between the liquid collection chamber 13 and the heat exchange chamber 11 and the condensation chamber 12; three heat exchange tubes 111 are arranged in parallel in the heat exchange chamber 11, and the lower ends of the heat exchange tubes 111 all penetrate through the partition board 6 and are connected to the liquid collection chamber 13. An air outlet 16 is provided at the top of the structural body 1 corresponding to the heat exchange chamber 11, and a pipeline is installed on the air outlet 16. A first baffle 112 is provided at one end of the heat exchange chamber 11 away from the liquid collection chamber 13. The upper ends of the heat exchange tubes 111 penetrate through the first baffle 112 and are connected to the air outlet 16. A plurality of baffle plates 113 are alternately arranged in the heat exchange chamber 11 along the length direction of the heat exchange tubes 111 to increase the travel of the gas and extend the heat exchange time; three vent pipes 121 are provided in the condensation chamber 12, and the lower ends of the vent pipes 121 also penetrate through the partition board 6 and are connected to the liquid collection chamber 13. The elbow pipe 5 is located in the condensation chamber 12, and a second baffle 122 is provided through the upper ends of the elbow pipe 5 and the vent pipes 121. A cold source outlet 123 and a cold source inlet 124 are arranged up and down on one side of the condensation chamber 12 away from the heat exchange chamber 11; a drain port 131 communicating with the outside is provided at the bottom end of the liquid collection chamber 13, and a pipeline is installed in the drain port 131.

[0018] An air inlet 14 is provided at the upper end of the side of the structural body 1. The air inlet 14 communicates with the heat exchange chamber 11. A gas filter 2 is installed in the air inlet 14. The gas filter 2 is of a hollow toroidal structure, and multiple filter meshes are installed inside it for trapping particulate matter in the air. The clean air then continues to flow through the filter meshes into the heat exchange chamber 11. A connecting housing 21 is sleeved outside it, and a connection is formed with the structural body 1 through the connecting housing 21. A limiting hole 22 is provided on the side of the connecting housing 21, and an insertion block 3 is provided in the limiting hole 22. A cavity 15 is provided in the structural body 1, and the cavity 15 communicates with the limiting hole 22. One end of the insertion block 3 located in the cavity 15 is connected with a sleeve 31, and a spring 32 is sleeved on the part of the insertion block 3 located in the cavity 15, which plays a guiding role in the moving path of the sleeve 31. An adapter plate 4 is slidably installed in the cavity 15. At the same time, grooves 151 adapted to the moving track of the adapter plate 4 are provided on both sides of the inner wall of the cavity 15. A connecting rod 41 is rotatably connected between the adapter plate 4 and the sleeve 31. A fixing rod 43 is provided on the inner side wall of the cavity 15, and the sleeve 31 is slidably sleeved on the fixing rod 43. When the adapter plate 4 moves left and right along the groove 151, the connecting rod 41 can drive the sleeve 31 to slide on the fixing rod 43 and drive the insertion block 3 at one end to perform telescopic movement, locking the connecting housing 21 when entering the limiting hole 22 and unlocking when exiting the limiting hole 22. An outer end of the adapter plate 4 is provided with a rotating rod 42, and the rotating rod 42 penetrates through the structural body 1 and extends to the outside. External threads are provided on the surface of the rotating rod 42, and an internal thread hole corresponding to it is provided on the structural body 1. The internal thread hole communicates with the cavity 15.

[0019] Working principle: Compressed gas enters from the air inlet 14, is filtered by the gas filter 2 and then enters the heat exchange chamber 11, flowing from top to bottom, exchanging heat and cooling with the gas in the heat exchange tube 111, then flowing through the elbow 5 to the upper part of the condensation chamber 12, and then flowing downwards along the air pipe 121, exchanging heat and cooling with the refrigerant source in the condensation chamber 12. The liquid condensed and separated after the gas is cooled flows to the liquid collection chamber 13, and the liquid is discharged through the liquid discharge port 131. The gas then flows upwards along the heat exchange tube 111, exchanges heat and warms up with the gas in the heat exchange chamber 11, and then is discharged along the air outlet 16.

[0020] The above embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

Claims

1. A heat exchange and water removal structure for a compressed gas dryer, comprising a structural body (1), characterized in that: The interior of the structural body (1) is divided into a heat exchange chamber (11), a condensation chamber (12) and a liquid collection chamber (13); an air inlet (14) is provided at the upper end of the side of the structural body (1); the air inlet (14) is communicated with the heat exchange chamber (11); a gas filter (2) is installed in the air inlet (14); a connecting shell (21) is provided on the outside of the gas filter (2); a limiting hole (22) is provided on the side of the connecting shell (21); an insert (3) is provided in the limiting hole (22); the structural body (1) is provided with a cavity (15), the cavity (15) is communicated with the limiting hole (22), one end of the plug block (3) located in the cavity (15) is connected with a sleeve (31), a connecting plate (4) is slidably installed in the cavity (15), a connecting rod (41) is rotatably connected between the connecting plate (4) and the sleeve (31), the sleeve (31) is slidably connected with the inner wall of the cavity (15), a rotating rod (42) is provided at the outer end of the connecting plate (4), and the rotating rod (42) passes through the structural body (1) and extends to the outside.

2. The heat exchange and water removal structure of a compressed gas dryer according to claim 1, characterized in that: A fixing rod (43) is provided on the inner wall of the cavity (15), the sleeve (31) is slidably sleeved on the fixing rod (43), and a spring (32) is sleeved on the portion of the insert block (3) located in the cavity (15).

3. The heat exchange and water removal structure of a compressed gas dryer according to claim 2, characterized in that: Grooves (151) adapted to the moving track of the connecting plate (4) are provided on both sides of the inner wall of the cavity (15); an external thread is provided on the surface of the rotating rod (42); an internal thread hole corresponding to the external thread is provided on the structural body (1); and the internal thread hole is connected to the cavity (15).

4. The heat exchange and water removal structure of a compressed gas dryer according to claim 1, characterized in that: A plurality of heat exchange tubes (111) are arranged in parallel in the heat exchange chamber (11); the heat exchange chamber (11) and the condensation chamber (12) are connected via a bend pipe (5); and a partition plate (6) is provided between the liquid collecting chamber (13) and the heat exchange chamber (11) and the condensation chamber (12).

5. The heat exchange and water removal structure of a compressed gas dryer according to claim 4, characterized in that: The lower end of the heat exchange tube (111) passes through the partition (6) and is connected to the liquid collecting chamber (13); an air outlet (16) is provided at the top of the structural body (1) corresponding to the heat exchange chamber (11); a pipeline is installed on the air outlet (16); a baffle plate (112) is provided at one end of the heat exchange chamber (11) away from the liquid collecting chamber (13); the upper end of the heat exchange tube (111) passes through the baffle plate (112) and is connected to the air outlet (16); and a plurality of baffle plates (113) are staggeredly arranged in the heat exchange chamber (11) along the length direction of the heat exchange tube (111).

6. The heat exchange and water removal structure of a compressed gas dryer according to claim 5, characterized in that: A plurality of ventilation pipes (121) are provided in the condensing chamber (12); the lower ends of the ventilation pipes (121) pass through the partition (6) and are connected to the liquid collecting chamber (13); the bent pipe (5) is located in the condensing chamber (12); and baffle plate 2 (122) is provided between the bent pipe (5) and the upper ends of the ventilation pipes (121); and a cold source outlet (123) and a cold source inlet (124) are provided at the upper and lower sides of a side of the condensing chamber (12) away from the heat exchange chamber (11).

7. The heat exchange and water removal structure of a compressed gas dryer according to claim 1, characterized in that: The bottom end of the liquid collecting chamber (13) is provided with a liquid discharge port (131) communicating with the outside, and a pipeline is installed in the liquid discharge port (131).