Cleaning device for indirect evaporative cooling heat exchange core

Abstract

The utility model relates to a cleaning device for an indirect evaporative cooling heat exchange core body. The cleaning device comprises a storage box for storing a cleaning agent; the conveying pipeline is connected with an outlet of the storage box; the circulating pump is positioned on the conveying pipeline and is used for providing power to enable the cleaning agent to flow in the conveying pipeline; and the spraying assembly is connected with the other end of the conveying pipeline and comprises a plurality of spraying heads with adjustable angles. Compared with the prior art, the cleaning agent can be evenly sprayed into the heat exchange core body, and dirt of the heat exchange core body can be effectively cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange equipment cleaning technical field especially is related to a kind of cleaning device for indirect evaporative cooling heat exchange core. BACKGROUND

[0002] In the operation process of indirect evaporative cooling unit, heat exchange core plays a key heat exchange role. However, with the increase of use time, various dirt, including dust, scale, biofilm and other deposits, will inevitably accumulate inside the heat exchange core. The presence of these dirt can significantly reduce the heat exchange efficiency of the heat exchange core and increase energy consumption. Traditional cleaning methods often have limitations. For example, simple flushing is difficult to remove stubborn scale and biofilm, and chemical cleaning method may result in poor cleaning effect if the reagent cannot be evenly distributed. In addition, the existing cleaning device cannot well adapt to different models of indirect evaporative cooling unit heat exchange core, and needs to be specially designed and adjusted for different models, increasing cost and operation complexity. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art and providing a cleaning device for indirect evaporative cooling heat exchange core, which can evenly spray cleaning agent into the heat exchange core to effectively clean the dirt on the heat exchange core.

[0004] The purpose of the utility model can be achieved by the following technical solutions:

[0005] A cleaning device for indirect evaporative cooling heat exchange core, comprising:

[0006] a storage tank for storing cleaning agent;

[0007] a delivery pipeline connected to the outlet of the storage tank;

[0008] a circulating pump located on the delivery pipeline and used to provide power to make the cleaning agent flow in the delivery pipeline;

[0009] and a spray assembly connected to the other end of the delivery pipeline, comprising several adjustable angle spray heads.

[0010] Further, in order to make the cleaning agent in the storage tank mix more evenly, a stirring assembly for mixing the cleaning agent evenly is arranged in the storage tank, comprising:

[0011] a stirring motor arranged on the storage tank;

[0012] a stirring shaft connected to the output end of the stirring motor;

[0013] And several stirring blades are distributed on the stirring shaft.

[0014] Further, in order to prevent the storage tank from being corroded by the cleaning agent, the storage tank comprises an anti-corrosion layer and an outer shell layer from inside to outside along the thickness direction thereof.

[0015] Further, the stirring shaft and the stirring blades are made of corrosion-resistant materials.

[0016] Further, the conveying pipeline is further provided with a flow regulating valve, which is connected in series or in parallel with the circulating pump, for regulating the flow of the cleaning agent.

[0017] Further, the opening degree of the flow regulating valve is 0-100%.

[0018] Further, the flow regulating valve is a manual regulating valve or an electric regulating valve, and the flow control is more accurate when the electric regulating valve is used.

[0019] Further, in order to conveniently adapt to different installation environments, the conveying pipeline is a PVC pipeline.

[0020] Further, the conveying pipeline is connected with the storage tank and the spraying assembly respectively through quick couplings.

[0021] Further, the spraying head is made of stainless steel and has good corrosion resistance.

[0022] Further, the spraying assembly further comprises:

[0023] a main pipeline connected with the conveying pipeline;

[0024] a plurality of first branch pipelines connected with the main pipeline,

[0025] and a plurality of second branch pipelines arranged in the first branch pipelines and uniformly distributed, the spraying head being mounted on the second branch pipelines.

[0026] Further, in order to adjust the angle of the spraying head, a first rotating head is rotatably connected to the second branch pipeline, and a plurality of connection pipes are circumferentially connected to the side wall of the first rotating head, and a plurality of spraying heads are mounted on the connection pipes.

[0027] Further, a second rotating head is rotatably connected to the connection pipe, the spraying head being mounted on the second rotating head, and the second rotating head being rotatable around the connection pipe, so as to adjust the angle of the spraying head.

[0028] Further, a damping sheet or damping spring is arranged at the connection between the connecting pipe and the second rotating head, so that the second rotating head will not rotate naturally after rotating to a certain angle.

[0029] Further, the connecting pipe or the second rotating head is connected to the spray head through a universal joint.

[0030] Further, the side wall of one of the first rotating heads is provided with 2-5 connecting pipes.

[0031] Further, when a plurality of rows of spray heads are arranged on a single connecting pipe, the plurality of rows of spray heads are arranged in a circumferential manner on the side wall of the connecting pipe, and the installation angles of the spray heads in one row are adjusted to be different, and the installation angles of the spray heads on the same circumferential line are the same.

[0032] Further, when a plurality of rows of spray heads are arranged on a single connecting pipe, the plurality of rows of spray heads are arranged in a circumferential manner on the side wall of the connecting pipe, and the installation angles of the spray heads in one row are adjusted to be different, and the installation angles of the spray heads on the same circumferential line are the same.

[0033] Further, in order to increase the speed and pressure of the cleaning agent sprayed, the diameter of the inlet of the internal flow channel of the spray head is greater than the diameter of the outlet.

[0034] Further, the diameter of the inlet of the internal flow channel of the spray head is uniformly reduced to the diameter of the outlet.

[0035] Further, the circulating pump is provided with a power supply interface connected to an external power source, a switch for controlling the start and stop of the circulating pump, an adjusting knob for adjusting the rotating speed of the circulating pump, and an indicator light for displaying the working state of the circulating pump, so that the circulating pump can realize multiple control functions such as start, stop and rotating speed adjustment, so as to adapt to different cleaning requirements.

[0036] Compared with the prior art, the cleaning device has the following advantages:

[0037] The angle of the spray head of the cleaning device can be adjusted, and the cleaning agent can be uniformly sprayed into the heat exchange core body by adjusting the angle of the spray head, so that the heat exchange core body can be effectively cleaned, and different types of indirect evaporative cooling heat exchange core bodies can be adapted, and the cleaning device has wide applicability. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 Fig. 1 is a schematic view of the cleaning device shown in the present application;

[0039] Figure 2 Fig. 2 is a hierarchical schematic view of the storage box shown in embodiments 2 and 3;

[0040] Figure 3Structure diagram of the spraying assembly shown in Example 2.

[0041] Figure 4 Structure diagram of the first rotating head and the connecting pipe shown in Examples 2 and 3.

[0042] Figure 5 Structure diagram of the spraying assembly shown in Example 3.

[0043] Marked description in the figure:

[0044] 1 - storage tank, 11 - anticorrosion layer, 12 - shell layer;

[0045] 2 - conveying pipeline;

[0046] 3 - circulating pump;

[0047] 4 - spraying assembly, 41 - spraying head, 42 - main pipeline, 43 - first branch pipeline, 44 - second branch pipeline, 45 - first rotating head, 46 - connecting pipe, 47 - universal joint, 48 - second rotating head;

[0048] 5 - stirring assembly, 51 - stirring motor, 52 - stirring shaft, 53 - stirring blade;

[0049] 6 - flow regulating valve. DETAILED DESCRIPTION

[0050] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiments are implemented on the premise of the technical scheme of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following embodiments. In the following embodiments or embodiments, if there is no special description of the function components or structure, it indicates that the conventional components or conventional structure are adopted in the field to realize the corresponding function.

[0051] It should be noted that in the description of the utility model, the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0052] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0053] A kind of cleaning device for indirect evaporative cooling heat exchange core, comprising:

[0054] Storage tank 1 for storing cleaning agent;

[0055] The delivery pipe 2 connected with the outlet of the storage tank 1;

[0056] Circulating pump 3 located on the delivery pipe 2 and used to provide power to make cleaning agent flow in the delivery pipe 2;

[0057] And the other end of the delivery pipe 2 is connected with the spray assembly 4, which includes several adjustable angle spray heads 41.

[0058] In actual use, the spray assembly 4 of the cleaning device is installed above the indirect evaporative cooling heat exchange core to be cleaned, the cleaning agent is poured into the storage tank 1, the appropriate amount of water is added, the stirring motor 51 is turned on, the stirring shaft 52 is rotated, the stirring blade 53 is rotated, and the cleaning agent is mixed uniformly. The circulating pump 3 is connected to the external power supply and powered on, the switch is turned on to start the circulating pump 3, the cleaning agent reaches the spray assembly 4 through the delivery pipe 2, and the angle of the spray head 41 can be adjusted, so that the cleaning agent is uniformly sprayed into the heat exchange core, and the heat exchange core is effectively cleaned. In the face of different models of indirect evaporative cooling heat exchange core, the installation angle of the spray head 41 can be adjusted accordingly.

[0059] In some more specific embodiments, in order to make the cleaning agent in the storage tank 1 more uniform, the storage tank 1 is provided with a stirring assembly 5 for mixing the cleaning agent uniformly, comprising:

[0060] Stirring motor 51 arranged on the storage tank 1;

[0061] The stirring shaft 52 connected with the output end of the stirring motor 51;

[0062] And a plurality of stirring blades 53 distributed on the stirring shaft 52.

[0063] In some more specific embodiments, in order to prevent the storage tank 1 from being corroded by the cleaning agent, the storage tank 1 comprises an anti-corrosion layer 11 and an outer shell layer 12 from inside to outside along the thickness direction thereof.

[0064] In some more specific embodiments, the stirring shaft 52 and the stirring blade 53 are made of corrosion-resistant materials.

[0065] In some more specific embodiments, the conveying pipeline 2 is further provided with a flow regulating valve 6, which is connected in series or in parallel with the circulating pump 3, for regulating the flow of the cleaning agent, such as Figure 1 In some more specific embodiments, the flow regulating valve 6 is connected in parallel with the circulating pump 3.

[0066] In some more specific embodiments, the opening degree of the flow regulating valve 6 is 0-100%.

[0067] In some more specific embodiments, the flow regulating valve 6 is a manual regulating valve or an electric regulating valve, and when an electric regulating valve is adopted, the flow control is more accurate.

[0068] In some more specific embodiments, in order to conveniently adapt to different installation environments, the conveying pipeline 2 is a PVC pipeline.

[0069] In some more specific embodiments, the conveying pipeline 2 is connected with the storage tank 1 and the spraying assembly 4 respectively through quick couplings.

[0070] In some more specific embodiments, the spraying head 41 is made of stainless steel and has good corrosion resistance.

[0071] In some more specific embodiments, the spraying assembly 4 further comprises:

[0072] a main pipeline 42 connected with the conveying pipeline 2;

[0073] a plurality of first branch pipelines 43 connected with the main pipeline 42,

[0074] and a plurality of second branch pipelines 44 arranged on the first branch pipelines 43 and uniformly distributed, the spraying head 41 being installed on the second branch pipelines 44.

[0075] In some more specific embodiments, in order to realize the adjustable angle of the spraying head 41, a first rotating head 45 is rotatably connected on the second branch pipeline 44, the side wall of the first rotating head 45 being connected with a plurality of circumferentially distributed connecting pipes 46, and a plurality of the spraying heads 41 being installed on the connecting pipes 46.

[0076] In some more specific embodiments, the side wall of one first rotating head 45 is provided with 2-5 connecting pipes 46.

[0077] In some more specific embodiments, a second rotating head 48 is rotatably connected to the connecting pipe 46, and the spray head 41 is mounted on the second rotating head 48, which can rotate around the connecting pipe 46 to adjust the angle of the spray head 41.

[0078] In some more specific embodiments, a damping piece or damping spring is arranged at the connection between the connecting pipe 46 and the second rotating head 48, so that the second rotating head 48 will not rotate naturally after being rotated to a certain angle.

[0079] In some more specific embodiments, the connecting pipe 46 or the second rotating head 48 is connected to the spray head 41 through a universal joint 47. The universal joint 47 is a conventional structure in the art, and can adopt the SS155 universal joint of Huaji Mist.

[0080] In some more specific embodiments, when a single connecting pipe 46 has a row of spray heads 41, the straight line formed by the row of spray heads 41 is parallel to the central axis of the connecting pipe 46, and the installation angles of the spray heads 41 are adjusted to different angles.

[0081] In some more specific embodiments, when a single connecting pipe 46 has multiple rows of spray heads 41, the multiple rows of spray heads 41 are circumferentially distributed on the side wall of the connecting pipe 46, and the installation angles of the spray heads 41 in a row are adjusted to different angles, and the installation angles of the spray heads 41 on the same circumferential line are the same.

[0082] In some more specific embodiments, in order to increase the speed and pressure of the cleaning agent sprayed by the spray head 41, thereby improving the cleaning effect, the diameter of the inlet of the internal flow channel of the spray head 41 is larger than the diameter of the outlet.

[0083] In some more specific embodiments, the diameter of the inlet of the internal flow channel of the spray head 41 uniformly decreases to the diameter of the outlet.

[0084] In some more specific embodiments, the circulating pump 3 is provided with a power interface connected to an external power source, a switch for controlling the start and stop of the circulating pump 3, an adjustment knob for adjusting the rotating speed of the circulating pump 3, and an indicator light for displaying the working state of the circulating pump 3. The circulating pump 3 can realize multiple control functions such as start, stop, and rotating speed adjustment to adapt to different cleaning needs.

[0085] Each of the above embodiments can be implemented individually, or any two or more of them can be combined.

[0086] The following will be described in conjunction with specific embodiments.

[0087] Embodiment 1

[0088] A cleaning device for indirect evaporative cooling heat exchange core, as shown in Figure 1 , comprising:

[0089] Storage tank 1 for storing cleaning agent;

[0090] The delivery pipe 2 connected with the outlet of the storage tank 1;

[0091] The circulating pump 3 located on the delivery pipe 2 and used to provide power to make the cleaning agent flow in the delivery pipe 2;

[0092] And the spray assembly 4 connected at the other end of the delivery pipe 2, which includes several adjustable angle spray heads 41.

[0093] In actual use, the spray assembly 4 of the cleaning device is installed above the indirect evaporative cooling heat exchange core to be cleaned, the cleaning agent is poured into the storage tank 1, the appropriate amount of water is added, the stirring motor 51 is turned on, the stirring shaft 52 is rotated, and the stirring blade 53 is rotated, so that the cleaning agent is uniformly mixed. The circulating pump 3 is connected with the external power supply and powered on, the switch is turned on to start the circulating pump 3, the cleaning agent reaches the spray assembly 4 through the delivery pipe 2, and the angle of the spray head 41 can be adjusted, so that the cleaning agent is uniformly sprayed into the heat exchange core, realizing effective cleaning of the dirt on the heat exchange core. In the face of different models of indirect evaporative cooling heat exchange core, the installation angle of the spray head 41 can be adjusted accordingly.

[0094] Example 2

[0095] A cleaning device for indirect evaporative cooling heat exchange core, as shown in Figure 1 , comprising:

[0096] Storage tank 1 for storing cleaning agent;

[0097] The delivery pipe 2 connected with the outlet of the storage tank 1;

[0098] The circulating pump 3 located on the delivery pipe 2 and used to provide power to make the cleaning agent flow in the delivery pipe 2;

[0099] And the spray assembly 4 connected at the other end of the delivery pipe 2, which includes several adjustable angle spray heads 41.

[0100] In some more specific embodiments, in order to make the cleaning agent in the storage tank 1 more uniform, the storage tank 1 is provided with a stirring assembly 5 for uniformly mixing the cleaning agent, comprising:

[0101] The stirring motor 51 provided on the storage tank 1;

[0102] a stirring shaft 52 connected with the output end of the stirring motor 51;

[0103] and a plurality of stirring blades 53 distributed on the stirring shaft 52.

[0104] In the embodiment, as shown in Figure 2 in order to prevent the storage tank 1 from being corroded by the cleaning agent, the storage tank 1 comprises an anti-corrosion layer 11 and an outer shell layer 12 from inside to outside along the thickness direction thereof.

[0105] In the embodiment, the stirring shaft 52 and the stirring blades 53 are made of corrosion-resistant materials.

[0106] In the embodiment, the conveying pipeline 2 is further provided with a flow regulating valve 6, and the flow regulating valve 6 is connected with the circulating pump 3 in parallel.

[0107] In the embodiment, the opening degree of the flow regulating valve 6 is 0-100%.

[0108] In the embodiment, the flow regulating valve 6 is a manual regulating valve or an electric regulating valve, and the flow control is more accurate when the electric regulating valve is used.

[0109] In the embodiment, in order to conveniently adapt to different installation environments, the conveying pipeline 2 is a PVC pipeline.

[0110] In the embodiment, the conveying pipeline 2 is connected with the storage tank 1 and the spraying assembly 4 through quick couplings respectively.

[0111] In the embodiment, the spraying head 41 is made of stainless steel and has good corrosion resistance.

[0112] In the embodiment, as shown in Figure 1 and 3 the spraying assembly 4 further comprises:

[0113] a main pipeline 42 connected with the conveying pipeline 2;

[0114] a plurality of first branch pipelines 43 connected with the main pipeline 42,

[0115] and a plurality of second branch pipelines 44 arranged on the first branch pipelines 43 and uniformly distributed, and the spraying head 41 is arranged on the second branch pipelines 44.

[0116] In the embodiment, as shown in Figure 1 , 3As shown in Figs. 4, in order to realize the adjustable angle of the spray head 41, the second branch pipe 44 is rotatably connected with a first rotary head 45, the side wall of the first rotary head 45 is connected with a plurality of circumferentially distributed connecting pipes 46, and the side wall of one first rotary head 45 is provided with three connecting pipes 46. The connecting pipe 46 is connected with the spray head 41 through a universal joint 47. The universal joint 47 is a conventional structure in the art, and can adopt the SS155 universal joint of Huaji Mist.

[0117] In the embodiment, one row of spray heads 41 is arranged on each connecting pipe 46, and the straight line formed by the spray heads 41 is parallel to the central axis of the connecting pipe 46. The installation angles of the spray heads 41 are adjusted to different angles.

[0118] In the embodiment, in order to increase the speed and pressure of the cleaning agent sprayed, the diameter of the inlet of the internal flow channel of the spray head 41 is greater than the diameter of the outlet.

[0119] In the embodiment, the diameter of the inlet of the internal flow channel of the spray head 41 uniformly decreases to the diameter of the outlet.

[0120] In the embodiment, the circulating pump 3 is provided with a power supply interface connected with an external power source, a switch for controlling the start and stop of the circulating pump 3, an adjusting knob for adjusting the rotating speed of the circulating pump 3, and an indicator lamp for displaying the working state of the circulating pump 3. The circulating pump 3 can realize various control functions such as start, stop and rotating speed adjustment, so as to adapt to different cleaning requirements.

[0121] In actual use, the spray assembly 4 of the cleaning device is installed above the indirect evaporative cooling heat exchange core to be cleaned, the cleaning agent is poured into the storage tank 1, an appropriate amount of water is added, the stirring motor 51 is turned on, the stirring shaft 52 is rotated, the stirring blades 53 are rotated, and the cleaning agent is uniformly mixed. The circulating pump 3 is connected with an external power source and powered on, the switch is turned on to start the circulating pump 3, the cleaning agent reaches the spray assembly 4 through the delivery pipe 2, enters each first branch pipe 43 through the main pipe 42, and then enters each second branch pipe 44. Under the action of the cleaning agent water flow, the first rotary head 45 automatically rotates, drives the connecting pipe 46 to rotate, and drives the spray head 41 on the connecting pipe 46 to rotate, the rotation angle is 360°, and the installation angles of the spray heads 41 on the connecting pipe 46 are adjusted to different directions due to the arrangement of the universal joint 47, so that the cleaning agent is uniformly sprayed into the heat exchange core, and the dirt on the heat exchange core is effectively cleaned. For different models of indirect evaporative cooling heat exchange cores, the installation angles of the spray heads 41 can be adjusted accordingly.

[0122] Embodiment 3

[0123] A cleaning device for indirect evaporative cooling heat exchange core, as shown in Figure 1 comprises:

[0124] a storage tank 1 for storing cleaning agent;

[0125] a conveying pipe 2 connected with the outlet of the storage tank 1;

[0126] a circulating pump 3 located on the conveying pipe 2 and used for providing power to make the cleaning agent flow in the conveying pipe 2;

[0127] and a spraying assembly 4 connected with the other end of the conveying pipe 2, which comprises several adjustable angle spray heads 41.

[0128] In this embodiment, in order to make the cleaning agent in the storage tank 1 mix more uniformly, a stirring assembly 5 for uniformly mixing the cleaning agent is arranged in the storage tank 1, which comprises:

[0129] a stirring motor 51 arranged on the storage tank 1;

[0130] a stirring shaft 52 connected with the output end of the stirring motor 51;

[0131] and several stirring blades 53 distributed on the stirring shaft 52.

[0132] In this embodiment, as shown in Figure 2 in order to prevent the storage tank 1 from being corroded by the cleaning agent, the storage tank 1 comprises an anti-corrosion layer 11 and an outer shell layer 12 from inside to outside along its thickness direction.

[0133] In this embodiment, the stirring shaft 52 and the stirring blades 53 are made of corrosion-resistant materials.

[0134] In this embodiment, a flow regulating valve 6 is further arranged on the conveying pipe 2, and the flow regulating valve 6 is connected in parallel with the circulating pump 3.

[0135] In this embodiment, the opening degree of the flow regulating valve 6 is 0-100%.

[0136] In this embodiment, the flow regulating valve 6 is a manual regulating valve or an electric regulating valve, and when an electric regulating valve is used, the flow control is more accurate.

[0137] In this embodiment, in order to be able to conveniently adapt to different installation environments, the conveying pipe 2 is a PVC pipe.

[0138] In this embodiment, the conveying pipe 2 is connected with the storage tank 1 and the spraying assembly 4 respectively through quick couplings.

[0139] In the embodiment, the spray head 41 is made of stainless steel, which has good corrosion resistance.

[0140] In the embodiment, as shown in Figure 1 、 4 and 5, the spray assembly 4 further comprises:

[0141] a main pipe 42 connected with the conveying pipe 2;

[0142] a plurality of first branch pipes 43 connected with the main pipe 42,

[0143] and a plurality of second branch pipes 44 arranged in the first branch pipes 43 and uniformly distributed, the spray head 41 being installed on the second branch pipes 44.

[0144] In the embodiment, as shown in Figure 1 、 4 and 5, in order to adjust the angle of the spray head 41, a first rotating head 45 is rotatably connected to the second branch pipe 44, the side wall of the first rotating head 45 being connected with a plurality of circumferentially distributed connecting pipes 46, the side wall of one first rotating head 45 being provided with three connecting pipes 46. A second rotating head 48 is rotatably connected to the connecting pipe 46, the spray head 41 being installed on the second rotating head 48, the second rotating head 48 being rotatable about the connecting pipe 46, so as to adjust the angle of the spray head 41. A damping piece or a damping spring is arranged at the connection between the connecting pipe 46 and the second rotating head 48, so that the second rotating head 48 will not rotate naturally after being rotated to a certain angle. The second rotating head 48 is connected with the spray head 41 through a universal joint 47. The universal joint 47 is a conventional structure in the art, and the SS155 universal joint of Huaji Mist can be used.

[0145] In the embodiment, a plurality of rows of spray heads 41 are arranged on a single connecting pipe 46, the plurality of rows of spray heads 41 being circumferentially distributed on the side wall of the connecting pipe 46, the installation angle of the spray heads 41 in one row being adjusted to different angles, and the installation angles of the spray heads 41 on the same circumferential line being the same.

[0146] In the embodiment, in order to increase the speed and pressure of the spray of the cleaning agent, thereby improving the cleaning effect, the diameter of the inlet of the internal flow passage of the spray head 41 is greater than the diameter of the outlet.

[0147] In the embodiment, the diameter of the inlet of the internal flow passage of the spray head 41 uniformly decreases to the diameter of the outlet.

[0148] In the embodiment, the circulating pump 3 is provided with a power interface connected with an external power source, a switch for controlling the start or stop of the circulating pump 3, an adjusting knob for adjusting the rotating speed of the circulating pump 3, and an indicator lamp for displaying the working state of the circulating pump 3, so that the circulating pump 3 can realize various control functions such as start, stop and rotating speed adjustment to adapt to different cleaning requirements.

[0149] In actual use, the spraying assembly 4 of the cleaning device is installed above the indirect evaporative cooling heat exchange core to be cleaned, cleaning agent is poured into the storage tank 1, appropriate amount of water is added, the stirring motor 51 is turned on to rotate the stirring shaft 52 to drive the stirring blades 53 to rotate, so that the cleaning agent is uniformly mixed. The circulating pump 3 is connected with an external power source and powered on, the switch is turned on to start the circulating pump 3, the cleaning agent reaches the spraying assembly 4 through the conveying pipeline 2, enters each first branch pipeline 43 through the main pipeline 42, and then enters each second branch pipeline 44. Under the action of the cleaning agent water flow, the first rotating head 45 automatically rotates to drive the connecting pipe 46 to rotate, so that the spraying head 41 on the connecting pipe 46 rotates at an angle of 360°. Due to the arrangement of the universal joint 47 and the second rotating head 48, the installation angles of the spraying heads 41 on the connecting pipe 46 are adjusted to be different from each other, so that the cleaning agent is uniformly sprayed into the heat exchange core to effectively clean the dirt on the heat exchange core. For different models of indirect evaporative cooling heat exchange cores, the installation angles of the spraying heads 41 can be adjusted accordingly.

[0150] The above description of the embodiments is for the purpose of facilitating the understanding and use of the utility model by those skilled in the art. Those skilled in the art can easily make various modifications to the embodiments and apply the general principles described herein to other embodiments without creative labor. Therefore, the utility model is not limited to the above embodiments, and the improvements and modifications made by those skilled in the art without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. A cleaning device for an indirect evaporative cooling heat exchange core, characterized in that, The utility model relates to a kind of cleaning agent spraying device, including: Storage tank (1) for storing cleaning agent; Conveying pipe (2) connected with the outlet of the storage tank (1); Circulating pump (3) located on the conveying pipe (2) and used to provide power to make cleaning agent flow in the conveying pipe (2); And spray assembly (4) connected at the other end of the conveying pipe (2), which includes several adjustable angle spray heads (41); The spray assembly (4) further includes: Main pipe (42) connected with the conveying pipe (2); Several rows of first branch pipes (43) connected with the main pipe (42), And several second branch pipes (44) arranged in the first branch pipes (43) and uniformly distributed, the spray head (41) is installed on the second branch pipe (44); The first rotating head (45) is rotatably connected on the second branch pipe (44), the side wall of the first rotating head (45) is connected with several circumferentially distributed connecting pipes (46), and the spray head (41) is installed on the connecting pipe (46); The second rotating head (48) is rotatably connected on the connecting pipe (46), and the spray head (41) is installed on the second rotating head (48); The connecting pipe (46) or second rotating head (48) is connected with the spray head (41) by universal joint (47).

2. A cleaning device for an indirect evaporative cooling heat exchange core according to claim 1, wherein, The storage tank (1) is provided with a stirring assembly (5) for uniformly mixing the cleaning agent, comprising: Stirring motor (51) arranged on the storage tank (1); Stirring shaft (52) connected with the output end of the stirring motor (51); And several stirring blades (53) uniformly distributed on the stirring shaft (52) in axial direction.

3. A cleaning device for an indirect evaporatively cooled heat exchange core as claimed in claim 1, wherein, The storage tank (1) includes anticorrosion layer (11) and shell layer (12) from inside to outside along its thickness direction.

4. A cleaning device for an indirect evaporatively cooled heat exchange core as claimed in claim 1, characterised in that, The conveying pipe (2) is further provided with flow regulating valve (6), and the flow regulating valve (6) is connected in series or parallel with the circulating pump (3).

5. A cleaning device for an indirect evaporatively cooled heat exchange core as claimed in claim 1, wherein, The diameter of the inlet of the internal flow passage of the spray head (41) is larger than that of the outlet, and the diameter of the inlet of the internal flow passage of the spray head (41) uniformly decreases to the outlet.

6. A cleaning device for an indirect evaporatively cooled heat exchange core according to claim 1, wherein, The circulating pump (3) is provided with power interface connected with external power supply, switch for controlling the start or stop of the circulating pump (3), adjusting knob for adjusting the rotating speed of the circulating pump (3), and indicating lamp for displaying the working state of the circulating pump (3).

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