Evaporative condenser for centrifugal water chilling unit

By introducing a combined structure of a second motor, reciprocating screw, brush plate and guide rod into the evaporation condenser, the problem of heat transfer obstruction caused by filter dust is solved, efficient cleaning and dust collection is achieved, and the refrigeration effect and environmental sanitation are improved.

CN223216517UActive Publication Date: 2025-08-12SANHE FREEZING MASCH (GUANGZHOU) CO LTD
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Patent Information

Application Number
CN202422548999.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-12
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

After long-term use of the existing evaporation condenser, dust adheres to the filter to form a heat insulation layer, resulting in blockage of heat transfer and reduced refrigeration effect.

Method used

A combined structure of the second motor, reciprocating screw, brush plate and guide rod is designed to clean up dust in the air inlet filter and collect dust through the vacuum cleaner, fan and ash collection drawer. The design of threaded columns and nuts is combined to facilitate the disassembly and installation of the brush plate.

Benefits of technology

Effectively clean the dust in the filter, improve heat exchange efficiency, and prevent dust from flying, pollute the environment and affecting health.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223216517U_ABST
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Abstract

The evaporative condenser for the centrifugal water chilling unit comprises a condenser body, the upper surface of the condenser body is fixedly connected with a fixing sleeve, the inner surface of the fixing sleeve is fixedly connected with a fan filter screen, and the upper surface of the fan filter screen is fixedly connected with a first motor. Through arrangement of a second motor, a reciprocating lead screw, a brush plate and a guide rod, dust on the outer surface of an air inlet filter screen can be cleaned to prevent the dust from blocking the air inlet filter screen, so that the heat exchange efficiency of the condenser is improved, the brush plate can be detached under cooperation of a first threaded column, a first fixing nut, a second threaded column and a second fixing nut, and the service life of the condenser is prolonged. And meanwhile, through the arrangement of a dust suction head, a fan, a first connecting pipe, a second connecting pipe, a fixing box and a dust collection drawer, cleaned dust can be collected, so that the situation that the dust is spread in the air to affect the environment and personnel health is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of condensers, in particular to an evaporative condenser for a centrifugal chiller. Background Art

[0002] The evaporative condenser is a heat exchange device used in centrifugal chillers and plays a vital role in the refrigeration system.

[0003] However, existing evaporative condensers of this type still have certain defects. For example, after long-term use, dust will adhere to the filter used for heat exchange, and the dust will form an insulating layer, hindering heat transfer and resulting in a decrease in cooling effect. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and to provide an evaporative condenser for a centrifugal chiller. The dust on the outer surface of the air inlet filter can be cleaned by the arrangement of the second motor, the reciprocating screw, the brush plate, and the guide rod to prevent the dust from clogging the air inlet filter, thereby improving the heat exchange efficiency of the condenser, and the brush plate can be disassembled with the cooperation of the first threaded column, the first fixing nut, the second threaded column, and the second fixing nut to improve practicality. At the same time, the cleaned dust can be collected by the arrangement of the dust collection head, the fan, the first connecting pipe, the second connecting pipe, the fixing box, and the dust collection drawer to prevent the dust from spreading in the air and affecting the environment and personnel health.

[0005] The utility model also provides an evaporative condenser for the centrifugal chiller, comprising:

[0006] The condenser body has a fixed sleeve on the upper surface of the condenser body, the inner surface of the fixed sleeve is fixedly connected to the fan filter, the upper surface of the fan filter is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the rotating shaft, the outer surface of the rotating shaft is fixedly connected to the fan, the front surface of the condenser body is provided with an air inlet filter, the front surface of the condenser body is fixedly connected to the first adjusting box, the upper surface of the first adjusting box is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the reciprocating screw, the outer surface of the reciprocating screw is threadedly connected to the first slider, the front surface of the first slider is fixedly connected to the first threaded column, the outer surface of the first threaded column is slidably connected to the brush plate, the outer surface of the first threaded column is threadedly connected to the first fixing nut, the front surface of the condenser body is fixedly connected to the second adjusting box, the inner surface of the second adjusting box is fixedly connected to the guide rod, the outer surface of the guide rod is slidably connected to the second slider, the front surface of the second slider is fixedly connected to the second threaded column, and the outer surface of the second threaded column is threadedly connected to the second fixing nut.

[0007] A dust collector head is fixedly connected to the front surface of the condenser body, a fan is fixedly connected to the lower surface of the condenser body, an output end of the fan is fixedly connected to a first connecting pipe, an input end of the fan is fixedly connected to a second connecting pipe, a fixed box is fixedly connected to the lower surface of the condenser body, and a dust collection drawer is slidably connected to the inner surface of the fixed box.

[0008] According to the evaporative condenser for a centrifugal chiller, the number of the first motors is two and they are distributed front to back, and the outer surface of the rotating shaft is rotatably connected to the fan filter.

[0009] According to the evaporative condenser for a centrifugal chiller, the front surface of the first slider contacts the brush plate, and the front surface of the second slider contacts the brush plate.

[0010] According to the evaporative condenser for a centrifugal chiller, the front surface of the brush plate contacts the first fixing nut, and the front surface of the brush plate contacts the second fixing nut for fixing the position of the brush plate.

[0011] According to the evaporative condenser for a centrifugal chiller, the inner surface of the first regulating box contacts the first slider, and the inner surface of the second regulating box contacts the second slider.

[0012] According to the evaporative condenser for a centrifugal chiller, the front surface of the air inlet filter is in contact with the brush plate, which facilitates cleaning of dust on the air inlet filter, and a handle is provided on the left surface of the ash drawer for pulling out the ash drawer.

[0013] According to the evaporative condenser for a centrifugal chiller, one end of the first connecting pipe away from the fan is connected to the dust collector head, and the fan extends into the interior of the dust collection drawer for collecting dust.

[0014] According to the evaporative condenser for a centrifugal chiller, the first motor, the second motor, and the fan are all electrically connected to an external power supply.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of an evaporative condenser for a centrifugal chiller according to the present invention;

[0018] Figure 2This is a partial structural diagram of an evaporative condenser for a centrifugal chiller according to the present invention;

[0019] Figure 3 for Figure 1 A schematic diagram of the structure at point A in the middle;

[0020] Figure 4 for Figure 1 A magnified schematic diagram of the structure at point B.

[0021] Legend:

[0022] 1. Condenser body; 2. Fixing sleeve; 3. Fan filter; 4. First motor; 5. Rotating shaft; 6. Fan; 7. Air inlet filter; 8. First adjusting box; 9. Second motor; 10. Reciprocating screw; 11. First slider; 12. First threaded column; 13. Brush plate; 14. First fixing nut; 15. Second adjusting box; 16. Guide rod; 17. Second slider; 18. Second threaded column; 19. Second fixing nut; 20. Cleaning head; 21. Fan; 22. First connecting pipe; 23. Second connecting pipe; 24. Fixing box; 25. Dust collection drawer. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] Reference Figure 1-4, The utility model embodiment of an evaporative condenser for a centrifugal chiller includes: a condenser body 1, a fixed sleeve 2 is fixedly connected to the upper surface of the condenser body 1, a fan filter 3 is fixedly connected to the inner surface of the fixed sleeve 2, a first motor 4 is fixedly connected to the upper surface of the fan filter 3, a rotating shaft 5 is fixedly connected to the output end of the first motor 4, a fan 6 is fixedly connected to the outer surface of the rotating shaft 5, an air inlet filter 7 is provided on the front surface of the condenser body 1, a first regulating box 8 is fixedly connected to the front surface of the condenser body 1, a second motor 9 is fixedly connected to the upper surface of the first regulating box 8, a reciprocating screw 10 is fixedly connected to the output end of the second motor 9, a first slider 11 is threadedly connected to the outer surface of the reciprocating screw 10, a first threaded column 12 is fixedly connected to the front surface of the first slider 11, a brush plate 13 is slidably connected to the outer surface of the first threaded column 12, and a first fixing nut 14 is threadedly connected to the outer surface of the first threaded column 12. The front surface of the main body 1 is fixedly connected to the second adjusting box 15, the inner surface of the second adjusting box 15 is fixedly connected to the guide rod 16, the outer surface of the guide rod 16 is slidably connected to the second slider 17, the front surface of the second slider 17 is fixedly connected to the second threaded column 18, the outer surface of the second threaded column 18 is threadedly connected to the second fixing nut 19, the number of the first motors 4 is two and they are distributed front and back, the outer surface of the rotating shaft 5 is rotatably connected to the fan filter 3, the front surface of the first slider 11 contacts the brush plate 13, the front surface of the second slider 17 contacts the brush plate 13, the front surface of the brush plate 13 contacts the first fixing nut 14, the front surface of the brush plate 13 contacts the second fixing nut 19, the inner surface of the first adjusting box 8 contacts the first slider 11, the inner surface of the second adjusting box 15 contacts the second slider 17, the front surface of the air inlet filter 7 contacts the brush plate 13, and the first motor 4 and the second motor 9 are both electrically connected to the external power supply.

[0025] The front surface of the condenser body 1 is fixedly connected to a dust collector head 20, the lower surface of the condenser body 1 is fixedly connected to a fan 21, the output end of the fan 21 is fixedly connected to a first connecting pipe 22, the input end of the fan 21 is fixedly connected to a second connecting pipe 23, the lower surface of the condenser body 1 is fixedly connected to a fixing box 24, the inner surface of the fixing box 24 is slidably connected to a dust collection drawer 25, the left surface of the dust collection drawer 25 is provided with a handle, the end of the first connecting pipe 22 away from the fan 21 is connected to the dust collector head 20, the fan 21 extends into the interior of the dust collection drawer 25, and the fan 21 is electrically connected to an external power supply.

[0026] Working principle: When the condenser body 1 is working, the first motor 4 will be started to drive the rotating shaft 5 to drive the fan 6 to rotate, and then the external cold air will be sucked in through the air inlet filter 7 and then discharged through the fan filter 3, thereby realizing continuous heat exchange inside the condenser body 1. When the condenser has been working for a long time, dust will adhere to the air inlet filter 7. At this time, the second motor 9 will be started to drive the reciprocating screw 10 to drive the brush plate 13 to move up and down along the guide rod 16 as a whole to scrape the dust on the air inlet filter 7. At the same time, the fan 21 will be started, and the dust collector head 20 and the first connecting pipe will be used to remove the dust from the air inlet filter 7. 22 absorbs the dust cleaned by the brush plate 13 and then sends it into the dust collection drawer 25 through the second connecting pipe 23 for collection to prevent dust from flying in the air and affecting the environment and personnel health. When the brush plate 13 is damaged and needs to be replaced, it is only necessary to loosen the restriction on the brush plate 13 by screwing the first fixing nut 14 and the second fixing nut 19, and then remove the brush plate 13 along the first threaded column 12 and the second threaded column 18, and then insert the new brush plate 13 into the first threaded column 12 and the second threaded column 18, and screw in the first fixing nut 14 and the second fixing nut 19 respectively to complete the installation of the brush plate 13.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An evaporative condenser for a centrifugal chiller, characterized in that: include: A condenser body (1), wherein the upper surface of the condenser body (1) is fixedly connected to a fixed sleeve (2), the inner surface of the fixed sleeve (2) is fixedly connected to a fan filter (3), the upper surface of the fan filter (3) is fixedly connected to a first motor (4), the output end of the first motor (4) is fixedly connected to a rotating shaft (5), the outer surface of the rotating shaft (5) is fixedly connected to a fan (6), the front surface of the condenser body (1) is provided with an air inlet filter (7), the front surface of the condenser body (1) is fixedly connected to a first regulating box (8), the upper surface of the first regulating box (8) is fixedly connected to a second motor (9), the output end of the second motor (9) is fixedly connected to a reciprocating screw (10), the reciprocating screw (10) ) is threadedly connected to a first slider (11), a front surface of the first slider (11) is fixedly connected to a first threaded column (12), an outer surface of the first threaded column (12) is slidably connected to a brush plate (13), an outer surface of the first threaded column (12) is threadedly connected to a first fixing nut (14), a front surface of the condenser body (1) is fixedly connected to a second regulating box (15), an inner surface of the second regulating box (15) is fixedly connected to a guide rod (16), an outer surface of the guide rod (16) is slidably connected to a second slider (17), a front surface of the second slider (17) is fixedly connected to a second threaded column (18), and an outer surface of the second threaded column (18) is threadedly connected to a second fixing nut (19); The front surface of the condenser body (1) is fixedly connected to a dust collector head (20), the lower surface of the condenser body (1) is fixedly connected to a fan (21), the output end of the fan (21) is fixedly connected to a first connecting pipe (22), the input end of the fan (21) is fixedly connected to a second connecting pipe (23), the lower surface of the condenser body (1) is fixedly connected to a fixing box (24), and the inner surface of the fixing box (24) is slidably connected to a dust collection drawer (25).

2. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The number of the first motors (4) is two and they are distributed front to back, and the outer surface of the rotating shaft (5) is rotatably connected to the fan filter (3).

3. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The front surface of the first slider (11) contacts the brush plate (13), and the front surface of the second slider (17) contacts the brush plate (13).

4. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The front surface of the brush plate (13) contacts the first fixing nut (14), and the front surface of the brush plate (13) contacts the second fixing nut (19).

5. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The inner surface of the first adjustment box (8) contacts the first slider (11), and the inner surface of the second adjustment box (15) contacts the second slider (17).

6. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The front surface of the air inlet filter (7) is in contact with the brush plate (13), and the left surface of the dust collection drawer (25) is provided with a handle.

7. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: One end of the first connecting pipe (22) away from the fan (21) is connected to the dust collector head (20), and the fan (21) extends into the interior of the dust collection drawer (25).

8. The evaporative condenser for a centrifugal chiller according to claim 1, characterized in that: The first motor (4), the second motor (9), and the fan (21) are all electrically connected to an external power supply.