Multi-stage heat exchange evaporative condenser

Abstract

The utility model relates to the technical field of condensers, and discloses a multistage heat exchange evaporative condenser which comprises a condenser body, an inlet is formed in the upper end of the condenser body, fixing plates are connected to the symmetrical outer side walls of the two sides of the condenser body, and the upper ends of the two fixing plates are jointly and rotationally connected with a two-way lead screw. Two moving plates are symmetrically connected to the rod wall of the two-way lead screw in a threaded mode, the moving plates are slidably connected to the upper ends of the corresponding fixing plates, rotating assemblies used for driving the two-way lead screw to rotate are installed on the fixing plates, baffles are connected to the side walls of the opposite sides of the two moving plates, and the lower ends of the baffles are aligned to the upper end of the inlet; a snow sweeping assembly is installed on the baffle. Through mutual cooperation of the condenser body, the inlet, the fixed plate, the bidirectional lead screw, the movable plate, the baffle, the first motor, the first gear, the second gear and other structures, rain and snow can be shielded, the rain and snow are prevented from entering the condenser body, and therefore the applicability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of condensers, in particular to an evaporative condenser with multi-stage heat exchange. Background Art

[0002] The evaporative condenser is an important part of medium and large ammonia refrigeration systems and Freon refrigeration systems. It uses forced air circulation to carry away the condensation heat of the refrigerant and is an integral part of the refrigeration system.

[0003] After searching, the patent document with announcement number CN116336701B discloses an evaporative condenser with multi-stage heat exchange, including: a condenser body; a guide plate, a plurality of the guide plates are arranged on both sides of the inner wall of the condenser body, and the guide plates are arranged obliquely, and the height of the end close to the heat exchanger is lower than the height of the end installed on the inner wall of the condenser body; a lifting plate; and a push rod; when the monitored refrigerant amount reaches a threshold, the driving source drives the lifting plate to perform reciprocating lifting and lowering motion, and simultaneously drives the push rod to perform reciprocating lifting and lowering motion, and when the push rod descends, it can push the cooling water droplets attached to the inner wall of the condenser body, push the cooling water droplets onto the guide plate, and under the guidance of the inclined guide plate, the cooling water droplets are accelerated to flow to the lowest end of the guide plate, and finally fall into the circulating water tank, which can quickly collect the cooling water droplets attached to the inner wall of the condenser body, improve the utilization rate of cooling water, and thus improve the condensation efficiency.

[0004] In the above device, when the condenser is installed outside, in windy and snowy weather, wind and snow can easily enter the device from the inlet at the upper end of the device, thereby easily affecting the normal use of the device and having poor applicability. Utility Model Content

[0005] The utility model aims to provide a multi-stage heat exchange evaporative condenser, which solves the problems raised in the background technology.

[0006] An embodiment of the present application provides an evaporative condenser with multi-stage heat exchange, including a condenser body, an inlet being installed on the upper end of the condenser body, fixed plates being connected to the symmetrical outer side walls on both sides of the condenser body, the upper ends of the two fixed plates being rotatably connected to a bidirectional screw rod, the rod walls of the bidirectional screw rod being symmetrically threaded with two movable plates, the movable plates being slidably connected to the upper ends of the corresponding fixed plates, a rotating assembly for driving the bidirectional screw rod to rotate being installed on the fixed plates, baffles being connected to the side walls on the opposite sides of the two movable plates, the lower ends of the baffles being aligned with the upper end of the inlet, and a snow-clearing assembly being installed on the baffles.

[0007] By adopting the above technical solution, when it is rainy or snowy, the bidirectional screw is rotated by rotating the assembly, and the rotation of the bidirectional screw will exert a force on the two movable plates through the action of the thread. The two movable plates will move horizontally towards each other under the force, and the movement of the movable plates will drive the baffle to move. When the two baffles are in contact, the two baffles will block the inlet to prevent rain and snow from entering the condenser body from the inlet. When it is needed, the inlet can be exposed by performing the opposite operation to the above operation. The above structure can block rain and snow to prevent rain and snow from entering the condenser body, thereby improving the applicability of the equipment.

[0008] Optionally, the rotating assembly includes a first motor fixedly mounted on the lower end of the corresponding fixed plate, the output end of the first motor is connected to a first gear via a coupling, a second gear is fixedly sleeved on the rod wall of the bidirectional screw, and the first gear is meshed with the second gear.

[0009] By adopting the above technical solution, the first motor is started, and the operation of the first motor will drive the first gear to rotate. The rotation of the first gear will apply a force to the second gear, and the second gear will drive the bidirectional screw to rotate due to the force.

[0010] Optionally, the snow-clearing assembly includes a second motor fixedly mounted at the lower end of the baffle, the output end of the second motor passes through the side wall of the baffle and extends upward and is connected to a rotating shaft through a coupling, two cleaning brushes are symmetrically connected to the shaft wall of the rotating shaft, and the cleaning brushes are attached to the upper end of the baffle.

[0011] By adopting the above technical solution, the second motor is started, and the second motor will drive the rotating shaft to rotate. The rotation of the rotating shaft will drive the cleaning brush to rotate, and the cleaning brush will clean the rain and snow on the baffle. Through the above structure, the rain and snow on the baffle can be automatically cleaned, reducing manual labor, thereby improving the practicability of the equipment.

[0012] Optionally, a slide groove is provided on the upper end of the fixed plate, a slider is slidably connected in the slide groove, and the upper end of the slider is connected to the movable plate.

[0013] By adopting the above technical solution, the movable plate is limited to prevent the movable plate from rotating.

[0014] Optionally, a sliding rod is fixedly connected to the inner groove wall of the sliding groove, the sliding rod passes through the sliding block, and the sliding block is slidably connected to the sliding rod.

[0015] By adopting the above technical solution, the sliding block is prevented from being separated from the sliding groove.

[0016] Optionally, a rolling groove is opened at the lower end of the sliding block, a rolling ball is arranged in the rolling groove, the ball passes through the notch of the rolling groove, and the ball is rollingly connected to the bottom of the sliding groove.

[0017] By adopting the above technical solution, the friction between the slider and the slide groove is reduced.

[0018] Optionally, support frames are connected to the symmetrical outer side walls of the condenser body on both sides, and the other end of the support frame is connected to the fixing plate.

[0019] By adopting the above technical solution, the fixing plate is supported and the stability of the fixing plate is improved.

[0020] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0021] (1) The technical solution of the present application can shield rain and snow by arranging the condenser body, the inlet, the fixed plate, the bidirectional screw, the movable plate, the baffle, the first motor, the first gear and the second gear and other structures to prevent rain and snow from entering the condenser body, thereby improving the applicability of the equipment.

[0022] (2) The technical solution of the present application can automatically clean the rain and snow on the baffle by setting up the second motor, the rotating shaft and the cleaning brush and other structures to cooperate with each other, thereby reducing manual labor and improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0024] Figure 1 This is a schematic diagram of the overall structure of a multi-stage heat exchange evaporative condenser of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of a rotating component in a multi-stage heat exchange evaporative condenser of the utility model;

[0026] Figure 3 for Figure 1 Enlarged view of part A.

[0027] In the figure: 1. Condenser body; 2. Inlet; 3. Fixed plate; 4. Bidirectional screw; 5. Moving plate; 6. Baffle; 7. First motor; 8. First gear; 9. Second gear; 10. Second motor; 11. Rotating shaft; 12. Cleaning brush; 13. Slider; 14. Sliding rod; 15. Ball. DETAILED DESCRIPTION

[0028] See also Figure 1-3The utility model provides a technical solution: a multi-stage heat exchange evaporative condenser, comprising a condenser body 1, an inlet 2 is installed on the upper end of the condenser body 1, fixed plates 3 are connected to the symmetrical outer side walls on both sides of the condenser body 1, the upper ends of the two fixed plates 3 are connected to a bidirectional screw rod 4 for common rotation, the rod wall of the bidirectional screw rod 4 is symmetrically threaded with two movable plates 5, the movable plates 5 are slidably connected to the upper ends of the corresponding fixed plates 3, a rotating assembly for driving the bidirectional screw rod 4 to rotate is installed on the fixed plate 3, baffles 6 are connected to the side walls on the opposite sides of the two movable plates 5, and the lower ends of the baffles 6 are aligned with the upper end of the inlet 2, and a snow sweeping assembly is installed on the baffle 6.

[0029] In the above technical solution, when it is rainy or snowy, the bidirectional screw 4 is rotated by rotating the assembly, and the rotation of the bidirectional screw 4 will apply a force to the two movable plates 5 through the action of the thread. The two movable plates 5 will move horizontally towards each other under the force, and the movement of the movable plates 5 will drive the baffle 6 to move. When the two baffles 6 are in contact, the two baffles 6 will block the inlet 2 to prevent rain and snow from entering the condenser body 1 from the inlet 2. When it is needed, the inlet 2 can be exposed by performing the opposite operation to the above operation. The upper structure can block rain and snow to prevent rain and snow from entering the condenser body 1, thereby improving the applicability of the equipment.

[0030] In the technical solution of the utility model, the rotating assembly includes a first motor 7 fixedly mounted on the lower end of the corresponding fixed plate 3, the output end of the first motor 7 is connected to the first gear 8 through a coupling, the rod wall of the bidirectional screw rod 4 is fixedly sleeved with a second gear 9, and the first gear 8 is meshed with the second gear 9. When the first motor 7 is started, the operation of the first motor 7 will drive the first gear 8 to rotate, and the rotation of the first gear 8 will apply a force to the second gear 9, and the second gear 9 will drive the bidirectional screw rod 4 to rotate due to the force.

[0031] In the technical solution of the utility model, the snow-clearing assembly includes a second motor 10 fixedly mounted at the lower end of the baffle 6, the output end of the second motor 10 passes through the side wall of the baffle 6 and extends upward and is connected to a rotating shaft 11 through a coupling, two cleaning brushes 12 are symmetrically connected to the shaft wall of the rotating shaft 11, the cleaning brush 12 is attached to the upper end of the baffle 6, and when the second motor 10 is started, the second motor 10 will drive the rotating shaft 11 to rotate, and the rotation of the rotating shaft 11 will drive the cleaning brush 12 to rotate, and the cleaning brush 12 will clean the rain and snow on the baffle 6. The upper structure can automatically clean the rain and snow on the baffle 6, reducing manual labor, thereby improving the practicability of the equipment.

[0032] In the technical solution of the utility model, a slide groove is opened at the upper end of the fixed plate 3, and a slider 13 is slidably connected in the slide groove. The upper end of the slider 13 is connected to the movable plate 5 to limit the movable plate 5 and prevent the movable plate 5 from rotating.

[0033] In the technical solution of the utility model, a slide rod 14 is fixedly connected to the inner wall of the slide groove, the slide rod 14 passes through the slider 13, and the slider 13 is slidably connected to the slide rod 14 to prevent the slider 13 from escaping from the slide groove.

[0034] In the technical solution of the utility model, a rolling groove is opened at the lower end of the slider 13, and a rolling ball 15 is arranged in the rolling groove. The ball 15 is arranged through the notch of the rolling groove, and the ball 15 is rollingly connected to the bottom of the groove, thereby reducing the friction between the slider 13 and the groove.

[0035] In the technical solution of the present utility model, support frames are connected to the symmetrical outer side walls of the condenser body 1 on both sides, and the other end of the support frame is connected to the fixing plate 3 to support the fixing plate 3 and improve the stability of the fixing plate 3.

[0036] When in use, in rainy and snowy weather, start the first motor 7, the operation of the first motor 7 will drive the first gear 8 to rotate, the rotation of the first gear 8 will apply a force to the second gear 9, the second gear 9 will drive the two-way screw rod 4 to rotate due to the force, the rotation of the two-way screw rod 4 will apply a force to the two movable plates 5 through the action of the thread, the two movable plates 5 will move horizontally towards each other due to the force, the movement of the movable plates 5 will drive the baffle 6 to move, when the two baffles 6 are in contact, the two baffles 6 will block the inlet 2 to prevent rain and snow from entering the condenser body 1 from the inlet 2, when it is needed, the inlet 2 can be exposed by performing the above operation in reverse.

Claims

1. A multi-stage heat exchange evaporative condenser, comprising a condenser body (1), characterized in that: An inlet (2) is installed at the upper end of the condenser body (1), and fixed plates (3) are connected to the symmetrical outer side walls on both sides of the condenser body (1). The upper ends of the two fixed plates (3) are rotatably connected to a bidirectional screw rod (4). Two movable plates (5) are symmetrically threadedly connected to the rod wall of the bidirectional screw rod (4). The movable plates (5) are slidably connected to the upper ends of the corresponding fixed plates (3). A rotating assembly for driving the bidirectional screw rod (4) to rotate is installed on the fixed plate (3). The side walls of the two movable plates (5) on the opposite sides are connected to baffles (6), and the lower ends of the baffles (6) are aligned with the upper end of the inlet (2). A snow removal assembly is installed on the baffles (6).

2. The multi-stage heat exchange evaporative condenser according to claim 1, characterized in that: The rotating assembly comprises a first motor (7) fixedly mounted on the lower end of the corresponding fixed plate (3); the output end of the first motor (7) is connected to a first gear (8) via a coupling; a second gear (9) is fixedly sleeved on the rod wall of the bidirectional screw rod (4), and the first gear (8) is meshed with the second gear (9).

3. The multi-stage heat exchange evaporative condenser according to claim 1, characterized in that: The snow-clearing assembly comprises a second motor (10) fixedly mounted on the lower end of the baffle (6); an output end of the second motor (10) penetrates the side wall of the baffle (6) and extends upward and is connected to a rotating shaft (11) via a coupling; two cleaning brushes (12) are symmetrically connected to the shaft wall of the rotating shaft (11); the cleaning brushes (12) are attached to the upper end of the baffle (6).

4. The multi-stage heat exchange evaporative condenser according to claim 1, characterized in that: The upper end of the fixed plate (3) is provided with a sliding groove, a sliding block (13) is slidably connected in the sliding groove, and the upper end of the sliding block (13) is connected to the movable plate (5).

5. The multi-stage heat exchange evaporative condenser according to claim 4, characterized in that: A sliding rod (14) is fixedly connected to the inner groove wall of the sliding groove, the sliding rod (14) passes through the sliding block (13), and the sliding block (13) is slidably connected to the sliding rod (14).

6. The multi-stage heat exchange evaporative condenser according to claim 5, characterized in that: A rolling groove is provided at the lower end of the sliding block (13), a rolling ball (15) is arranged in the rolling groove, the ball (15) passes through the notch of the rolling groove, and the ball (15) is rollingly connected to the bottom of the sliding groove.

7. The multi-stage heat exchange evaporative condenser according to claim 1, characterized in that: Support frames are connected to the symmetrical outer side walls of the condenser body (1), and the other end of the support frame is connected to the fixing plate (3).

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