Heat exchanger cleaning structure
By using a waterfall-style spray nozzle and a threaded rod system driven by a servo motor, combined with a water collection tank and a cleaning fluid filter tank, the problem of water droplets drifting away during spray cleaning is solved, achieving a stable and efficient heat exchanger cleaning effect.
Patent Information
- Application Number
- CN202520006673.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-03
AI Technical Summary
During the cleaning process, the small water droplets sprayed from the existing heat exchanger are easily blown away by the wind, affecting its efficiency.
It adopts a waterfall-style nozzle combined with a servo motor-driven threaded rod system. The waterfall-style nozzle is moved by a slider for cleaning, and ball bearings are used to limit the movement to reduce friction. Combined with a water collection tank and a cleaning fluid filter tank, water can be recycled.
It achieves a stable and efficient cleaning process, reduces water droplets drifting away with the wind, improves the cleaning effect, and ensures that the cleaning does not affect the heat exchange through gravity-fed wall flow at low wind speed, and removes sediment regularly.
Smart Images

Figure CN223663831U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cleaning equipment technical field, concretely is a kind of heat exchanger cleaning structure. BACKGROUND
[0002] Wind-heat exchanger is a kind of heat exchange device commonly used in industrial boiler waste heat recovery, gas boiler waste heat recovery, drying system waste heat recovery, kiln system waste heat recovery, power station waste heat recovery, flue gas desulfurization and other systems, main function is to recover the waste heat in exhaust emission, and its energy is transferred to wind (air) or other fluid, so as to improve the thermal efficiency of system and reduce energy waste.
[0003] Most of the existing heat exchanger cannot be cleaned or adopt liquid spray cleaning, wherein the small water droplets sprayed can be blown away with wind at the same time, which affects the use efficiency of the heat exchanger. Therefore, the technical personnel in the art provide a kind of heat exchanger cleaning structure to solve the problems raised in the above background technology. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of heat exchanger cleaning structure to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of heat exchanger cleaning structure, including fixed frame, heat exchange plate, water collecting tank, water pump and cleaning liquid filter water tank, the fixed frame is fixedly installed on heat exchanger, servo motor is fixedly installed on fixed frame, servo motor power output end is fixedly connected with threaded rod, wherein threaded rod is rotatably connected in fixed frame, threaded rod is screw-connected with sliding block, the lower end of sliding block is fixedly connected with cascade nozzle, the heat exchanger is provided with multiple combined heat exchange plates, wherein fixed frame is located above heat exchange plate.
[0007] As a further scheme of the utility model: the bottom of the heat exchanger is provided with a water collecting tank, and the water collecting tank is communicated with a cleaning liquid filter water tank on one side.
[0008] As a further scheme of the utility model: the bottom of the heat exchanger is provided with a water collecting tank, and the water collecting tank is communicated with a cleaning liquid filter water tank on one side.
[0009] As a further scheme of the utility model: the cascade nozzle is movably connected with a ball at both ends, and a sliding groove is formed in the fixed frame, wherein the sliding block slides in the sliding groove.
[0010] As a further scheme of the utility model: rolling grooves are formed in the inner walls of the front and rear sides of the fixed frame, wherein the balls slide in the rolling grooves, and a controller is arranged outside the heat exchanger.
[0011] Compared with the prior art, the utility model has the advantages of
[0012] 1, through the waterfall type spray head can clean the heat exchange plate, and start servo motor, can make the sliding block drive the waterfall type spray head to move, further to other heat exchange plate cleaning, wherein the waterfall type spray head moves, the ball will along the rolling groove rolling, the ball limits the waterfall type spray head at the same time, also can reduce its front and back two sides received friction, so can make the waterfall type spray head more stable when moving smooth.
[0013] 2, the smoke -wind heat exchanger is combined in many pieces, when cleaning, the waterfall cleaning is piece by piece cleaning, and the heat exchange capacity is not affected, and the heat exchange plate in the cleaning is because the waterfall water is wall flow, most of the water flows to the heat exchanger bottom collecting tank, after the cleaning water is filtered through the cleaning liquid filter tank, through the water pump circulation, the sediment in the collecting tank can be cleaned out regularly, in addition, in the heat exchanger, the wind speed is controlled at about 5m / s, under this low wind speed, gravity wall flow water is difficult to be taken away, a small amount of water particles are taken out by the wind and enter the next level, so it will not be like spraying, the small water droplets sprayed by the wind drift away. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a structure schematic view of a heat exchanger cleaning structure.
[0015] Fig. 2 It is a structure schematic view of a sliding groove and a rolling groove in a heat exchanger cleaning structure.
[0016] Fig. 3 It is a structure schematic view of a sliding block and a waterfall type spray head in a heat exchanger cleaning structure.
[0017] Fig. 4 It is a structure schematic view of a heat exchange plate in a heat exchanger cleaning structure.
[0018] Fig. 5 It is a flow chart of a heat exchanger cleaning structure.
[0019] In the drawing: 1, fixed frame; 2, servo motor; 3, threaded rod; 4, sliding groove; 5, sliding block; 6, waterfall type spray head; 7, ball; 8, rolling groove; 9, heat exchange plate. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.
[0021] Please refer to Figs. 1-5The utility model discloses an embodiment of a kind of heat exchanger cleaning structure, including fixed frame 1, heat exchange plate, water collecting tank, water pump and cleaning liquid filter water tank, the fixed frame 1 is fixedly installed on heat exchanger, servo motor 2 is fixedly installed on fixed frame 1, servo motor 2 power output end is fixedly connected with threaded rod 3, wherein threaded rod 3 is rotatably connected in fixed frame 1, threaded rod 3 is threadedly connected with sliding block 5, the lower end of sliding block 5 is fixedly connected with cascade shower head 6, heat exchanger is provided with multiple combined heat exchange plate 9, wherein fixed frame 1 is located above heat exchange plate 9, heat exchanger bottom is provided with water collecting tank, water collecting tank one side is provided with cleaning liquid filter water tank, cleaning liquid filter water tank and water pump are communicated by pipeline, water pump and cascade shower head 6 are communicated by hose, cascade shower head 6 front and rear ends are movably connected with ball 7, sliding slot 4 is set up on fixed frame 1, wherein sliding block 5 slides in sliding slot 4, rolling groove 8 is set up on the inner wall of the two sides of fixed frame 1, wherein ball 7 slides in ball 7 groove, heat exchanger outside is provided with controller.
[0022] The utility model discloses a working principle is: first inject cleaning liquid in cleaning liquid filter water tank, then the cleaning liquid is transported to cascade shower head 6 place by water pump, then the heat exchange plate 9 is cleaned by cascade shower head 6, then servo motor 2 is started and threaded rod 3 is rotated, threaded rod 3 drives sliding block 5 to move, and sliding block 5 drives cascade shower head 6 to move, and then other heat exchange plate 9 is cleaned, wherein the smoke-wind heat exchanger is multiple combined, when cleaning, cascade cleaning is piece by piece cleaning, and heat exchange capacity is not affected, and the heat exchange plate 9 in the piece when cleaning is due to the wall flow of cascade water, and most of water flow to the water collecting tank in heat exchanger bottom, after cleaning water is filtered after passing through cleaning liquid filter water tank, and is recycled by water pump, and the sediment in water collecting tank can be cleaned periodically, in addition, in heat exchanger, wind speed is controlled at about 5m / s, under this low wind speed, gravity wall flow water is difficult to be taken away, and a small amount of water particles are taken out by wind and enter the next stage, so it will not be like spraying, and the small water droplets sprayed are blown away by wind.
[0023] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by the skilled in the art.
Claims
1. A heat exchanger cleaning structure, comprising a fixing frame (1), a heat exchange plate (9), a water collection tank, a water pump, and a cleaning fluid filter tank, characterized in that, The fixed frame (1) is fixedly installed on the heat exchanger. A servo motor (2) is fixedly installed on the fixed frame (1). A threaded rod (3) is fixedly connected to the power output end of the servo motor (2). The threaded rod (3) is rotatably connected to the fixed frame (1). A slider (5) is threadedly connected to the threaded rod (3). A waterfall nozzle (6) is fixedly connected to the lower end of the slider (5).
2. The heat exchanger cleaning structure according to claim 1, characterized in that, The heat exchanger is provided with multiple combined heat exchange plates (9), wherein the fixing frame (1) is located above the heat exchange plates (9).
3. The heat exchanger cleaning structure according to claim 1, characterized in that, The heat exchanger is equipped with a water collection tank at the bottom, and a cleaning fluid filter water tank is connected to one side of the water collection tank.
4. The heat exchanger cleaning structure according to claim 1, characterized in that, The cleaning fluid filter tank and the water pump are connected by a pipeline, and the water pump is connected to the waterfall nozzle (6) by a hose.
5. The heat exchanger cleaning structure according to claim 1, characterized in that, The waterfall nozzle (6) is movably connected to ball bearings (7) at both ends, and a groove (4) is provided on the fixed frame (1), in which the slider (5) slides in the groove (4).
6. The heat exchanger cleaning structure according to claim 1, characterized in that, Rolling grooves (8) are provided on the inner walls of the front and rear sides of the fixed frame (1), wherein the ball (7) slides in the ball (7) groove, and a controller is provided on the outside of the heat exchanger.