Heat exchanger with dirt flushing function

By introducing a motor-driven pulley system and pump housing into the heat exchanger to achieve water recycling, and by using a fan blade system to accelerate water evaporation, the problem of unused spray water is solved, thus achieving water conservation and preventing dust adhesion.

CN224018919UActive Publication Date: 2026-03-20NINGXIA ZHONGHUI CHEM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Most of the water sprayed out during the cleaning of existing heat exchangers is not reused, resulting in a waste of water resources.

Method used

A heat exchanger with a dirt flushing function was designed. The water after spraying is recycled through a motor-driven pulley system and pump housing, and the water evaporates faster through a fan blade system to prevent dust from adhering.

Benefits of technology

It enables the recycling of water resources, reduces water waste, and accelerates water evaporation through air flow, preventing dust from adhering.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger with a dirt flushing function, which comprises a heat exchanger main body, two support plates are fixedly connected to the outer surface of the heat exchanger main body, a filter frame is fixedly connected to the inner walls of the support plates, a connecting box is fixedly connected to the inner walls of the support plates, and the connecting box is fixedly connected to the outer surface of the heat exchanger main body. The connecting box is located below the filtering frame, a flow guide groove is formed in the connecting box, a water storage groove is formed in the inner bottom of the flow guide groove, a connecting plate is fixedly connected to the outer wall of the connecting box, a first motor is fixedly connected to the side wall of the connecting plate, and a first belt wheel is fixedly connected to the output end of the first motor; the end, away from the first motor, of the first belt pulley is fixedly connected with an impeller. The spraying device is reasonable in structure, water falling after spraying can be reused, and water resources are saved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchanger technical field, concretely is a kind of heat exchanger with dirt flushing function. BACKGROUND

[0002] As important equipment in acetonitrile production process, heat exchanger is prone to accumulate dust on its surface after long-term operation, and with the expansion of production scale and the improvement of energy-saving demand, how to clean dust efficiently and maintain the performance of heat exchanger becomes a key problem to be solved in acetonitrile production process.

[0003] After searching, Chinese patent with patent number CN2024210075592 discloses a kind of heat exchanger with dirt flushing function, including base, the top of base is fixedly connected with two support plates, heat exchanger is installed in support plate, water storage tank is opened in the top of base, mobile mechanism is installed in the top of support plate, spraying mechanism and cleaning mechanism are arranged below mobile mechanism, cleaning mechanism is arranged below cleaning mechanism, and cleaning mechanism includes electric push rod, electric push rod is installed on the inner wall of support plate by support, and the output shaft of electric push rod is fixedly connected with middle plate. Advantageous effect lies in that: when cleaning, sponge block will wipe the dirt mark on the surface of heat exchanger, after cleaning is completed, middle plate is driven to move along the inner wall of support plate by the movement of electric push rod, so as to drive connecting plate to move upwards, and then drive two extrusion plates to move upwards, realize extruding sponge block, extrude sewage from filter hole to water storage tank, so that sponge block remains clean, and further improve cleaning effect.

[0004] But most of the water sprayed by the above-mentioned heat exchanger will fall into the water storage tank under the action of gravity when cleaning, but the water falling into the water storage tank is not reused, thereby wasting water resources. SUMMARY

[0005] The utility model aims at providing a kind of heat exchanger with dirt flushing function, can be reused to the water falling after spraying, save water resources.

[0006] In order to achieve the above object, the utility model provides technical scheme is: provide a kind of heat exchanger with dirt flushing function, including heat exchanger main body, the outer surface of the heat exchanger main body is fixedly connected with support plate, the number of support plate is two, the inner wall of support plate is fixedly connected with filter frame, the inner wall of support plate is fixedly connected with connecting box, connecting box is located below filter frame, flow guide groove is arranged in the inside of connecting box, water storage groove is arranged in the inner bottom of flow guide groove, the outer wall of connecting box is fixedly connected with connecting plate, the side wall of connecting plate is fixedly connected with first motor, the output of first motor is fixedly connected with first belt pulley, the end away from first motor of first belt pulley is fixedly connected with impeller, the outer wall of connecting box is fixedly connected with water inlet, the end away from connecting box of water inlet is fixedly connected with pump housing, the inside of pump housing is located impeller, the outer surface of pump housing is fixedly connected with water outlet, the upper surface of water outlet is fixedly connected with hose, the end away from water outlet of hose is fixedly connected with shunt pipe, the end away from hose of shunt pipe is fixedly connected with spray assembly.

[0007] Optionally, the spray assembly includes a spray plate, the inside of the spray plate is provided with a first water passage, the number of the first water passage is two, the first water passage is communicated with the shunt pipe, the inner surface of the first water passage is provided with a second water passage, the number of the second water passage is multiple, the lower surface of the spray plate is fixedly connected with a plurality of spray heads, and the second water passage is communicated with the spray head.

[0008] Optionally, the side wall of the support plate is fixedly connected with a fixed plate, the upper surface of the fixed plate is fixedly connected with a fixed seat, the number of the fixed seat is two, the inner surface of the fixed seat is movably mounted with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a plurality of fan leaves.

[0009] Optionally, the upper surface of the fixed plate is fixedly connected with a protective cover, the number of the protective cover is two, the fan leaves are located in the inside of the protective cover, and one side of the protective cover close to the heat exchanger main body is fixedly connected with an air permeable baffle.

[0010] Optionally, the side wall of the rotating shaft on the left side is fixedly connected with a second belt pulley, the side wall away from the rotating shaft of the second belt pulley is fixedly connected with a third belt pulley, and the first belt is movably sleeved on the outer surface of the first belt pulley and the third belt pulley.

[0011] Optionally, the side wall of the rotating shaft on the right side is fixedly connected with a fourth belt pulley, the outer surface of the fourth belt pulley is movably sleeved with a second belt, and the second belt is movably sleeved on the outer surface of the second belt pulley.

[0012] Optionally, the side wall of the right support plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a lead screw, the outer surface of the lead screw is threadedly connected with a moving block, the lower surface of the moving block is fixedly connected with a cleaning plate, the number of the cleaning plate is two, and the inner surface of the cleaning plate is fixedly connected with a brush plate.

[0013] Optionally, the side wall of the support plate is fixedly connected with a sliding rod, and the outer surface of the sliding rod is sleeved with a moving block.

[0014] Compared with the prior art, the heat exchanger has the following beneficial effects:

[0015] The heat exchanger body, the first motor, the first belt pulley, the impeller, the water storage tank, the pump shell, the water outlet, the hose, the shunt pipe, the first water channel, the second water channel, the spray head, the filter frame and the flow guide groove are arranged, when water needs to be sprayed on the surface of the heat exchanger body, the first motor works to drive the first belt pulley to rotate, thereby driving the impeller to rotate, and then water in the water storage tank is sucked out, flows from the pump shell to the water outlet, then flows from the water outlet to the hose, and then flows from the hose to the shunt pipe, and then flows from the shunt pipe to the first water channel, and finally is sprayed from the spray head through the second water channel to spray water on the surface of the heat exchanger body, most of the sprayed water falls along the outer surface of the heat exchanger body, and finally falls into the flow guide groove after being filtered by the filter frame, and then flows into the water storage tank, so that water recycling is realized, and water resources are saved.

[0016] The first belt, the third belt pulley, the second belt pulley, the rotating shaft, the fourth belt pulley, the second belt and the fan blade are arranged, when the first belt pulley rotates, the first belt is driven to rotate synchronously, thereby driving the third belt pulley to rotate, and then driving the second belt pulley and the rotating shaft to rotate, thereby driving the second belt to rotate, and then driving the fourth belt pulley to rotate, thereby driving the rotating shaft to rotate, so that the left and right rotating shafts rotate synchronously, thereby driving the fan blade to rotate to blow off water adhered to the surface of the heat exchanger body, and at the same time, since air flows around the pipeline, even if the back of the pipeline is not blown, a boundary layer is formed on the surface of the pipeline due to the viscosity of air, the flow of air in the boundary layer drives the surrounding air, so that the air on the back of the pipeline also flows, the flowing air can continuously take away water vapor near the surface of water, reduces the water vapor partial pressure of the surface of water, thereby accelerating water evaporation, avoiding that dust is adhered to water due to long-time non-evaporation of water adhered to the outer surface of the heat exchanger body, and avoiding that dust is adhered to the outer surface of the heat exchanger body after water evaporation. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a schematic diagram of the sectional structure of the present application.

[0020] Figure 3 It is a schematic diagram of the local sectional structure of the present application.

[0021] Figure 4 It is a schematic diagram of the structure of the present application Figure 3 at A.

[0022] Figure 5 It is a schematic diagram of the structure of the present application Figure 3 at B.

[0023] Figure 6 It is a schematic diagram of the structure of the present application Figure 3 at C.

[0024] Figure 7 It is a schematic diagram of the structure of the present application Figure 3 at D.

[0025] Figure 8 It is a schematic diagram of the structure of the protective cover of the present application.

[0026] Figure 9 It is a schematic diagram of the structure of the pump housing of the present application.

[0027] In the figure: 1, heat exchanger main body; 2, support plate; 3, filter frame; 4, connecting box; 5, flow guide groove; 6, water storage groove; 7, connecting plate; 8, first motor; 9, first belt pulley; 10, water inlet; 11, pump housing; 12, impeller; 13, water outlet; 14, hose; 15, shunt pipe; 16, spraying assembly; 161, spraying plate; 162, first water channel; 163, second water channel; 164, spray head; 17, fixed plate; 18, fixed seat; 19, rotating shaft; 20, fan blade; 21, protective cover; 22, second belt pulley; 23, third belt pulley; 24, first belt; 25, fourth belt pulley; 26, second belt; 27, air permeable baffle; 28, second motor; 29, lead screw; 30, moving block; 31, cleaning plate; 32, brush plate; 33, sliding rod. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0029] It should be noted that when an element is referred to as being "fixedly connected" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0032] Referring to Figures 1-9The utility model discloses a heat exchanger with dirt flushing function, comprising a heat exchanger main body 1, the outer surface of heat exchanger main body 1 is fixedly connected with support plate 2, the number of support plate 2 is two, the inner wall of support plate 2 is fixedly connected with filter frame 3, the inner wall of support plate 2 is fixedly connected with connecting box 4, and connecting box 4 is located below filter frame 3, and the inside of connecting box 4 is provided with flow guide groove 5, and the inner bottom of flow guide groove 5 is provided with water storage groove 6, and water storage groove 6 needs to be filled with water inside periodically, the outer wall of connecting box 4 is fixedly connected with connecting plate 7, the side wall of connecting plate 7 is fixedly connected with first motor 8, and the output of first motor 8 is fixedly connected with first belt pulley 9, and one end of first belt pulley 9 away from first motor 8 is fixedly connected with impeller 12, the outer wall of connecting box 4 is fixedly connected with water inlet 10, one end of water inlet 10 away from connecting box 4 is fixedly connected with pump shell 11, and impeller 12 is located inside pump shell 11, and the outer surface of pump shell 11 is fixedly connected with water outlet 13, the upper surface of water outlet 13 is fixedly connected with hose 14, one end of hose 14 away from water outlet 13 is fixedly connected with shunt pipe 15, one end of shunt pipe 15 away from hose 14 is fixedly connected with spray assembly 16, when needing to spray heat exchanger main body 1 surface, first motor 8 works, drives first belt pulley 9 to rotate, thereby drives impeller 12 to rotate, and then water in water storage groove 6 is sucked out, and water flows from pump shell 11 to water outlet 13, then flows from water outlet 13 to hose 14, and then flows to first water channel 162 through hose 14, and finally sprays from nozzle 164 through second water channel 163 to heat exchanger main body 1 surface, and most of the water sprayed falls along the outer surface of heat exchanger main body 1, and finally falls into flow guide groove 5 after being filtered through filter frame 3, and then flows to water storage groove 6, thereby realizing the recycling of water, saving water resources, and spray assembly 16 comprises spray plate 161, the inside of spray plate 161 is provided with first water channel 162, the number of first water channel 162 is two, first water channel 162 is communicated with shunt pipe 15, the inner surface of first water channel 162 is provided with second water channel 163, the number of second water channel 163 is multiple, the lower surface of spray plate 161 is fixedly connected with nozzle 164, the number of nozzle 164 is multiple, and second water channel 163 is communicated with nozzle 164.

[0033] The heat exchanger with the dirt flushing function has the advantages that the water falling after spraying can be reused, and water resources are saved.

[0034] In another embodiment of the utility model, please refer to Figures 1 to 9The side wall of the right support plate 2 is fixedly connected with a second motor 28, the output end of the second motor 28 is fixedly connected with a lead screw 29, the outer surface of the lead screw 29 is screw-connected with a moving block 30, the lower surface of the moving block 30 is fixedly connected with a cleaning plate 31, the number of the cleaning plate 31 is two, the inner surface of the cleaning plate 31 is fixedly connected with a brush plate 32, when the second motor 28 works, the lead screw 29 is driven to rotate, thereby driving the moving block 30 to move left and right, thereby driving the cleaning plate 31 and the brush plate 32 to move left and right, and cooperating with water spraying, the outer surface of the heat exchanger body 1 can be cleaned, the side wall of the support plate 2 is fixedly connected with a sliding rod 33, the sliding rod 33 can limit the movement of the moving block 30, and the outer surface of the sliding rod 33 is sleeved with the moving block 30.

[0035] In another embodiment of the present application, please refer to Figures 1 to 9 , the side wall of the right support plate 2 is fixedly connected with a second motor 28, the output end of the second motor 28 is fixedly connected with a lead screw 29, the outer surface of the lead screw 29 is screw-connected with a moving block 30, the lower surface of the moving block 30 is fixedly connected with a cleaning plate 31, the number of the cleaning plate 31 is two, the inner surface of the cleaning plate 31 is fixedly connected with a brush plate 32, when the second motor 28 works, the lead screw 29 is driven to rotate, thereby driving the moving block 30 to move left and right, thereby driving the cleaning plate 31 and the brush plate 32 to move left and right, and cooperating with water spraying, the outer surface of the heat exchanger body 1 can be cleaned, the side wall of the support plate 2 is fixedly connected with a sliding rod 33, the sliding rod 33 can limit the movement of the moving block 30, and the outer surface of the sliding rod 33 is sleeved with the moving block 30.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat exchanger with a dirt flushing function, comprising a heat exchanger body (1), characterized in that: The outer surface of the heat exchanger body (1) is fixedly connected to a support plate (2), and there are two support plates (2). A filter frame (3) is fixedly connected to the inner wall of the support plate (2), and a connecting box (4) is fixedly connected to the inner wall of the support plate (2). The connecting box (4) is located below the filter frame (3). A guide channel (5) is opened inside the connecting box (4), and a water storage tank (6) is opened at the bottom of the guide channel (5). A connecting plate (7) is fixedly connected to the outer wall of the connecting box (4), and a first motor (8) is fixedly connected to the side wall of the connecting plate (7). A first pulley (9) is fixedly connected to the output end of the first motor (8). An impeller (12) is fixedly connected to the end of a pulley (9) away from the first motor (8). An inlet (10) is fixedly connected to the outer wall of the connecting box (4). A pump housing (11) is fixedly connected to the end of the inlet (10) away from the connecting box (4). The impeller (12) is located inside the pump housing (11). An outlet (13) is fixedly connected to the outer surface of the pump housing (11). A hose (14) is fixedly connected to the upper surface of the outlet (13). A diverter pipe (15) is fixedly connected to the end of the hose (14) away from the outlet (13). A spray assembly (16) is fixedly connected to the end of the diverter pipe (15) away from the hose (14).

2. The heat exchanger with dirt flushing function as described in claim 1, characterized in that: The spray assembly (16) includes a spray plate (161), the spray plate (161) has a first water channel (162) inside, there are two first water channels (162), the first water channels (162) are connected to the diversion pipe (15), the inner surface of the first water channel (162) has a second water channel (163), there are multiple second water channels (163), the lower surface of the spray plate (161) is fixedly connected to a nozzle (164), there are multiple nozzles (164), the second water channels (163) are connected to the nozzles (164).

3. The heat exchanger with dirt flushing function as described in claim 1, characterized in that: The support plate (2) is fixedly connected to a fixing plate (17) on its side wall. The upper surface of the fixing plate (17) is fixedly connected to a fixing seat (18). There are two fixing seats (18). A rotating shaft (19) is movably installed on the inner surface of the fixing seat (18). A fan blade (20) is fixedly connected to the outer surface of the rotating shaft (19). There are multiple fan blades (20).

4. The heat exchanger with dirt flushing function as described in claim 3, characterized in that: The upper surface of the fixed plate (17) is fixedly connected to a protective cover (21), and there are two protective covers (21). The fan blade (20) is located inside the protective cover (21), and a ventilation baffle (27) is fixedly connected to the side of the protective cover (21) near the heat exchanger body (1).

5. The heat exchanger with dirt flushing function as described in claim 3, characterized in that: A second pulley (22) is fixedly connected to the side wall of the rotating shaft (19) on the left side. A third pulley (23) is fixedly connected to the side wall of the second pulley (22) away from the rotating shaft (19). A first belt (24) is movably sleeved on the outer surface of the third pulley (23) and the first pulley (9).

6. The heat exchanger with dirt flushing function as described in claim 5, characterized in that: A fourth pulley (25) is fixedly connected to the side wall of the right-side rotating shaft (19), and a second belt (26) is movably sleeved on the outer surface of the fourth pulley (25) and the second pulley (22).

7. The heat exchanger with dirt flushing function as described in claim 1, characterized in that: A second motor (28) is fixedly connected to the side wall of the support plate (2) on the right side. A lead screw (29) is fixedly connected to the output end of the second motor (28). A moving block (30) is threadedly connected to the outer surface of the lead screw (29). A cleaning plate (31) is fixedly connected to the lower surface of the moving block (30). There are two cleaning plates (31). A brush plate (32) is fixedly connected to the inner surface of the cleaning plate (31).

8. The heat exchanger with dirt flushing function as described in claim 7, characterized in that: The side wall of the support plate (2) is fixedly connected to a slide rod (33), and a moving block (30) is sleeved on the outer surface of the slide rod (33).