Cleaning device for dirt inside copper pipe of surface air cooler of air conditioner

Abstract

The utility model relates to the technical field of air conditioning equipment, in particular to a cleaning device for dirt inside a copper pipe of an air conditioner surface air cooler. The cleaning device for dirt in the air conditioner surface air cooler copper pipe specifically comprises a surface air cooler, a water tank, a first extension pipe, a second extension pipe, an external connection pipe and a circulation assembly. The surface air cooler comprises a water inlet pipe, a water outlet pipe, an external water inlet and an external water outlet, the external water inlet is located at the water inlet pipe, and the external water outlet is located at the water outlet pipe; the water tank is communicated with the external pipe and provided with a drainage connecting pipe, and the second extension pipe is communicated with the external water outlet and the drainage connecting pipe; the circulating assembly comprises an inlet connecting pipe, an outlet connecting pipe and a circulating pump, the inlet connecting pipe extends into the water tank, the circulating pump is connected with the inlet connecting pipe and the outlet connecting pipe, and the first extension pipe is communicated with the external water inlet and the outlet connecting pipe. The device has the advantage of quickly and circularly cleaning scale in the copper pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning equipment technical field, especially relate to a kind of cleaning device of air conditioner surface condenser copper pipe internal dirt. BACKGROUND

[0002] Air conditioner long-term operation can cause equipment to be blocked by scale, especially the gradual scale formation inside the main copper pipe, resulting in poor cooling effect of the surface condenser, and the air supply temperature of the air conditioner deviates, which is difficult to meet the needs of chemical fiber production process when the air supply temperature deviation exceeds the set range of ±1 ℃. When the scale inside the copper pipe is serious, local blockage occurs in the pipe, reducing the service life of the air conditioner surface condenser. If the scale cannot be removed in time, the equipment will face the risk of repair, shutdown or replacement.

[0003] Currently, the method to solve scale is to increase the refrigeration machine chilled water pressure or reduce the chilled water temperature, which will greatly increase energy consumption (more than 10%). Professional manufacturers are required for maintenance, and the maintenance cycle is long, which cannot be accepted in normal production.

[0004] Therefore, in view of the deficiencies of the prior art, a cleaning device for scale inside the copper pipe of an air conditioner surface condenser is provided. SUMMARY

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a cleaning device for scale inside the copper pipe of an air conditioner surface condenser, which aims to solve the problem of not being able to quickly and circularly clean the scale inside the copper pipe.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A cleaning device for scale inside the copper pipe of an air conditioner surface condenser, comprising: a surface condenser, a water tank, a first extension pipe, a second extension pipe, an external connection pipe and a circulating assembly;

[0008] The surface condenser comprises a water inlet pipe, a water outlet pipe, an external water inlet and an external water outlet, the external water inlet is located at the water inlet pipe, and the external water outlet is located at the water outlet pipe;

[0009] The water tank is in communication with the external connection pipe, and the water tank is provided with a drain connection pipe, the second extension pipe is in communication with the external water outlet and the drain connection pipe;

[0010] The circulating assembly comprises an inlet connection pipe, an outlet connection pipe and a circulating pump, the inlet connection pipe extends into the water tank, the circulating pump is connected with the inlet connection pipe and the outlet connection pipe respectively, and the first extension pipe is in communication with the external water inlet and the outlet connection pipe.

[0011] As a further improvement of the utility model technical scheme, the water tank is internally provided with cleaning agent and desalted water, the desalted water is injected through the external connecting pipe, and the cleaning agent is mixed with the desalted water in proportion.

[0012] As a further improvement of the utility model technical scheme, the inner wall of the water tank is provided with a scale for measuring the desalted water.

[0013] As a further improvement of the utility model technical scheme, the lower end of the water tank is further provided with a drain port.

[0014] As a further improvement of the utility model technical scheme, the circulating assembly further comprises a valve and a pressure gauge, and the valve and the pressure gauge are both arranged on the outlet connecting pipe.

[0015] As a further improvement of the utility model technical scheme, the inlet diameter of the circulating pump is larger than the outlet diameter.

[0016] As a further improvement of the utility model technical scheme, the utility model further comprises a trolley and a support, the circulating pump is arranged on the support, and the water tank and the support are both located on the trolley.

[0017] As a further improvement of the utility model technical scheme, the external connecting water outlet and the external connecting water inlet are provided with blind plates, and the blind plates are used for opening and closing the external connecting water outlet and the external connecting water inlet.

[0018] As a further improvement of the utility model technical scheme, the external connecting water inlet is located above the external connecting water outlet.

[0019] As a further improvement of the utility model technical scheme, the cleaning agent does not contain chloride ions.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] In the air conditioner surface condenser copper pipe internal dirt cleaning device, the cleaning agent is put into the water tank before cleaning, and the solution is pumped into the water tank through the external connecting pipe to form a dirt cleaning solution; during cleaning, the inlet connecting pipe is inserted into the water tank, the circulating pump pumps the dirt cleaning solution in the water tank to the outlet connecting pipe, the dirt cleaning solution is transported to the external connecting water inlet through the first extension pipe, the copper pipe in the surface condenser is cleaned, and the waste liquid after cleaning flows into the water tank through the second extension pipe, and the cleaning device is continuously circulated. The air conditioner surface condenser copper pipe internal dirt cleaning device has the characteristics of rapid circulation and cleaning of copper pipe internal dirt. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further described in detail in combination with the drawings and specific embodiments:

[0023] Figure 1 is a structure schematic view of the cleaning device for the dirt inside the copper pipe of the air cooler of the utility model.

[0024] In the figure,

[0025] 1, the cooler; 11, the water inlet pipe; 12, the water outlet pipe; 13, the external water inlet; 14, the external water outlet; 15, the first valve; 16, the blind plate;

[0026] 2, the water tank; 21, the drainage connecting pipe; 22, the third valve; 23, the drainage port;

[0027] 3, the first extension pipe; 4, the second extension pipe;

[0028] 5, the external connecting pipe; 51, the second valve; 6, the inlet connecting pipe; 7, the outlet connecting pipe; 71, the fourth valve; 72, the pressure gauge; 8, the circulating pump;

[0029] 9, the trolley; 10, the support. DETAILED DESCRIPTION

[0030] The concept, specific structure and generated technical effects of the utility model will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The same reference signs used in the drawings indicate the same or similar parts.

[0031] It should be noted that, without special instructions, when a certain feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to another feature, or indirectly fixed or connected to another feature. In addition, the up, down, left, right and other descriptions used in the present application are only relative to the mutual position relationship of the components of the present application in the drawings.

[0032] Referring to Figure 1 , a cleaning device for the dirt inside the copper pipe of an air cooler 1, comprising a cooler 1, a water tank 2, a first extension pipe 3, a second extension pipe 4, an external connecting pipe 5 and a circulating assembly;

[0033] In one embodiment, the surface condenser 1 comprises a water inlet pipe 11, a water outlet pipe 12, an external water inlet 13 and an external water outlet 14, the external water inlet 13 is located at the water inlet pipe 11, and the external water outlet 14 is located at the water outlet pipe 12; the water tank 2 is communicated with the external pipe 5, the water tank 2 is provided with a water discharge connecting pipe 21, the second extension pipe 4 is communicated with the external water outlet 14 and the water discharge connecting pipe 21; the circulating assembly comprises an inlet connecting pipe 6, an outlet connecting pipe 7 and a circulating pump 8, the inlet connecting pipe 6 extends into the water tank 2, the circulating pump 8 is connected with the inlet connecting pipe 6 and the outlet connecting pipe 7 respectively, and the first extension pipe 3 is communicated with the external water inlet 13 and the outlet connecting pipe 7.

[0034] Wherein, before cleaning, the cleaning agent is put into the water tank 2, and the solution is mixed to form the dirt cleaning liquid by the external pipe 5; during cleaning, the inlet connecting pipe 6 extends into the water tank 2, the circulating pump 8 pumps the dirt cleaning liquid in the water tank 2 to the outlet connecting pipe 7, the dirt cleaning liquid is transported to the external water inlet 13 through the first extension pipe 3 to clean the copper pipe in the surface condenser 1, and the waste liquid after cleaning flows to the water tank 2 through the second extension pipe 4, and the process is continuously circulated. The cleaning device for the internal dirt of the air conditioner surface condenser 1 copper pipe has the characteristics of quickly circulating and cleaning the internal dirt of the copper pipe. The dirt cleaning liquid needs to be replaced 1-2 times, until the solution discharged from the surface condenser 1 is clear, so as to achieve the purpose of removing the internal dirt of the surface condenser 1 copper pipe.

[0035] Specifically, the device is moved to the vicinity of the surface condenser 1, the first valve 15 on the original water inlet pipe 11 and water outlet pipe 12 of the surface condenser 1 is closed, the blind plate 16 at the external water inlet 13 and external water outlet 14 is opened, the first extension pipe 3 is connected to the external water inlet 13 and the outlet connecting pipe 7, the second extension pipe 4 is connected to the external water outlet 14 and the water tank 2, the external pipe 5 is connected to the water tank 2, the second valve 51 on the external pipe 5 is opened, the desalted water is connected to the water tank 2, the cleaning agent is weighed according to the weight ratio of the desalted water (cleaning agent / desalted water = 1:80) and poured into the water tank 2, and the cleaning agent is stirred uniformly by a plastic rod or a wooden rod; the third valve 22 on the drain connecting pipe 21 is opened, then the fourth valve 71 on the outlet connecting pipe 7 is opened, and the pressure of the pressure gauge 72 is ensured to be 0.25 Mpa. When the circulating pump 8 works, the dirt cleaning liquid is circulated in the copper pipe of the surface condenser 1, the dirt in the copper pipe is cleaned, at this time, the dirt in the copper pipe is softened by the medicine of the dirt cleaning liquid and dissolved gradually to the water tank 2 under the action of the high-pressure liquid flow, the dirt cleaning liquid in the water tank 2 is observed, and when the color of the dirt cleaning liquid is no longer dark, the circulating pump 8 is closed, the drain outlet 23 is opened, and the waste liquid is drained to the industrial sewage pipeline through the drain outlet 23; the dirt cleaning liquid is reconfigured according to the above steps, the circulating pump 8 is opened, and the surface condenser 1 is repeatedly cleaned. When the liquid in the water tank 2 is clear, the circulating pump 8 is stopped, the drain outlet 23 is opened, the sewage is drained, the desalted water is added according to the above steps, and it is noted that the cleaning agent is not added at this time, the circulating pump 8 is opened, and the copper pipe of the surface condenser 1 is replaced by the desalted water for 5 minutes, then the circulating pump 8 is closed, the first extension pipe 3 and the second extension pipe 4 are removed, and the blind plate 16 is closed. The first extension pipe 3, the second extension pipe 4 and the power cable are placed on the trolley 9, the external pipe 5 is removed, and the cleaning work is completed. The whole cleaning process is about 2 hours, and the cleaning efficiency is high.

[0036] In one embodiment, the water tank 2 is provided with the cleaning agent and the desalted water, the desalted water is injected through the external pipe 5, the cleaning agent is mixed with the desalted water according to a certain proportion, and the requirements of the copper pipe of the surface condenser 1 with different dirt formation degrees are met. The inner wall of the water tank 2 is provided with a scale for measuring the desalted water. The cleaning agent does not contain chloride ions and will not corrode the copper pipe.

[0037] In one embodiment, the water tank 2 is further provided with a drain outlet 23 at the lower end. Preferably, the volume of the water tank 2 is generally <2 m 3 , which meets the water quantity requirement of the circulating pump 8.

[0038] In one embodiment, the circulating assembly further comprises a valve and a pressure gauge 72, and the valve and the pressure gauge 72 are arranged on the outlet connecting pipe 7, and the pressure of the circulating water can be adjusted according to the opening of the valve.

[0039] Further, the circulating pump 8 is externally connected with a power supply, which can meet the requirements of starting and stopping of the circulating pump 8.

[0040] In one embodiment, the inlet diameter of the circulating pump 8 is larger than the outlet diameter. The circulating pump 8 generally has a lift of 25 m, a suction of 7 m, an inlet diameter of DN65 mm, and an outlet diameter of DN50 mm, which can meet the general process air conditioning cleaning requirements.

[0041] In one embodiment, the cleaning device further comprises a trolley 9 and a bracket 10, the circulating pump 8 is arranged on the bracket 10, and the water tank 2 and the bracket 10 are both located on the trolley 9. Preferably, the bracket 10 is fixedly connected with the trolley 9, the height of the bracket 10 is similar to the height of the water tank 2, and the trolley 9 is provided with a handle and a direction wheel.

[0042] In one embodiment, the external water inlet 13 is located above the external water outlet 14. The external water outlet 14 and the external water inlet 13 are provided with a blind plate 16 for opening and closing the external water outlet 14 and the external water inlet 13.

[0043] Other contents of the cleaning device for internal dirt of the air conditioner surface condenser copper pipe according to the present application are known in the prior art, and will not be described here.

[0044] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any modification, equivalent change and modification of the above embodiment according to the technical essence of the present application, without departing from the technical solution of the present application, still belongs to the scope of the technical solution of the present application.

[0045] In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0046] In the present application, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A device for cleaning internal dirt on copper pipes of an air conditioner cooling coil, characterized in that, include: Surface cooler, water tank, first extension pipe, second extension pipe, external pipe and circulation assembly; The surface cooler includes an inlet pipe, an outlet pipe, an external inlet, and an external outlet. The external inlet is located at the inlet pipe, and the external outlet is located at the outlet pipe. The water tank is connected to the external pipe, and the water tank is provided with a drain connection pipe. The second extension pipe connects the external water outlet and the drain connection pipe. The circulation assembly includes an inlet connecting pipe, an outlet connecting pipe, and a circulation pump. The inlet connecting pipe extends into the water tank, and the circulation pump is connected to both the inlet connecting pipe and the outlet connecting pipe. The first extension pipe connects the external inlet and the outlet connecting pipe. The water tank can be used to store cleaning agents, and desalinated water can be injected into the water tank through the external pipe.

2. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, The inner wall of the water tank is equipped with a scale for measuring the desalinated water.

3. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, The water tank is also equipped with a drain outlet at the bottom.

4. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, The circulation assembly also includes a valve and a pressure gauge, both of which are mounted on the outlet connection pipe.

5. The cleaning device for the internal dirt of copper pipes in an air conditioner cooling radiator according to claim 1, characterized in that, The inlet diameter of the circulating pump is larger than its outlet diameter.

6. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, It also includes a trolley and a support, with the circulation pump mounted on the support, and the water tank and the support both located on the trolley.

7. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, The external water outlet and the external water inlet are provided with blind plates, which are used to switch the external water outlet and the external water inlet on and off.

8. The cleaning device for the internal dirt of copper tubes in an air conditioner cooling radiator according to claim 1, characterized in that, The external water inlet is located above the external water outlet.

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