CN217818344U

CN217818344U - On-line cleaning device for condenser of refrigerator

Info

Publication number: CN217818344U
Application number: CN202220819764.3U
Authority: CN
Inventors: 万小攀; 曹咏峰; 陈春宏; 刘建军; 高胜明
Original assignee: Huanggang Meifeng Chemical Technology Co ltd
Current assignee: Huanggang Meifeng Chemical Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-15
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses an online belt cleaning device of condenser of refrigerator belongs to chemical industry equipment technical field. The device comprises an acidic cleaning agent dosing tank, a circulating pump, a cleaning water inlet pipe, a cleaning water return pipe, a liquid discharge pipe, a defoaming nozzle, and a water replenishing port and a water outlet on the acidic cleaning agent dosing tank, wherein the water outlet is connected with an inlet of the circulating pump through a pipeline with a first valve; the outlet of the circulating pump is divided into three paths for output, the first path is connected with a defoaming spray head through a defoaming pipeline with a second valve, the second path is connected with a cleaning water inlet pipe, and the third path is connected with a liquid discharge pipe; the cleaning water return pipe is connected with the acid cleaning agent dosing box and is provided with a third valve, the other end of the cleaning water return pipe and the other end of the cleaning water inlet pipe are respectively connected with two ends of the condenser, the cleaning water inlet pipe is provided with a clear water inlet pipe, the other end of the clear water inlet pipe is connected with a clear water supplementing structure and is provided with a fourth valve, the water supplementing port is connected with the clear water supplementing structure, and the drain pipe is provided with a fifth valve.

Description

On-line cleaning device for condenser of refrigerator

Technical Field

The utility model belongs to the technical field of chemical industry equipment, in particular to online cleaning device of condenser of refrigerator.

Background

The refrigerator is a common device in chemical industry, and the purpose of reducing the temperature of a refrigerant is achieved by utilizing a screw compressor to compress Freon or liquid ammonia to absorb heat in a refrigerant medium. But thereby freon or liquid ammonia absorbed heat need circulate through the condenser and cool down and reach energy balance, and the condenser of refrigerator generally uses the circulating water to cool down, and the circulating water cools off through cooling tower to reach refrigerated effect. However, in the long-term operation process of the refrigerator, the condenser can be scaled and grow algae, so that the heat transfer effect of the condenser is poor, and the refrigerator is alarmed (even stopped) at high pressure. In order to solve the problem, a manual cleaning method (removing the end sockets on both sides of the condenser by using a wrench, and washing back and forth by using a long-handle steel wire brush to remove dirt) is generally adopted. The foregoing process is time consuming and labor intensive.

Disclosure of Invention

In order to solve the problem, the embodiment of the utility model provides an online cleaning device of condenser of refrigerator can carry out online cleaning, labour saving and time saving to the condenser. The technical scheme is as follows:

the embodiment of the utility model provides an online belt cleaning device of condenser of refrigerator, the device include acid cleaning agent dosing tank 1, circulating pump 2, wash inlet tube 3, wash wet return 4, fluid-discharge tube 5, acid cleaning agent dosing tank 1 in and be located the defoaming shower nozzle 6 of liquid level top, water replenishment mouth 7 and the delivery port 8 of acid cleaning agent dosing tank 1 bottom in acid cleaning agent dosing tank 1, defoaming shower nozzle 6 sprays the cleaner downwards, delivery port 8 is connected with the import of circulating pump 2 through the pipeline of taking first valve 11; the outlet of the circulating pump 2 is divided into three paths for output, the first path is connected with a defoaming nozzle 6 through a defoaming pipeline 9 with a second valve 12, the second path is connected with a cleaning water inlet pipe 3, and the third path is connected with a liquid discharge pipe 5; wash wet return 4 and acid cleaner dosing tank 1 and be equipped with third valve 13 on it, the other end of wasing wet return 4 and the other end of wasing inlet tube 3 are connected with the both ends of condenser 10 respectively, it is equipped with clear water inlet tube 20 on the inlet tube 3 to wash, the other end and the clear water of clear water inlet tube 20 are supplyed the structural connection and are equipped with fourth valve 14 on it, moisturizing mouth 7 and clear water are supplyed the structural connection, be equipped with fifth valve 15 on the fluid-discharge tube 5.

Furthermore, the upper part of the acidic cleaning agent dosing tank 1 in the embodiment of the present invention and the lower part of the defoaming nozzle 6 are provided with overflow ports 16.

Preferably, the first flowmeter 17 and the second flowmeter 18 are respectively arranged on the cleaning water inlet pipe 3 and the defoaming pipeline 9 in the embodiment of the invention.

The acidic cleaning agent dosing tank 1 in the embodiment of the present invention is a rectangular box made of PP, and the top of the box is provided with an openable dosing port 19 on which a pH meter is arranged.

Specifically, the embodiment of the utility model provides a wash inlet tube 3 is the PP pipe of DN25 specification, wash wet return 4 and be the PP pipe of DN40 specification, defoaming pipeline 9 is the PP pipe of DN25 specification, fluid-discharge tube 5 is the PP pipe of DN40 specification, clear water inlet tube 20 is the PP pipe of DN25 specification, circulating pump 2's export specification is DN40.

Preferably, the embodiment of the present invention provides an online cleaning bypass inlet and an online cleaning bypass outlet which are provided at two ends of the condenser 10 and can be communicated with each other respectively, and the online cleaning bypass inlet and the online cleaning bypass outlet are connected with the other end of the cleaning water inlet pipe 3 and the other end of the cleaning water return pipe 4 respectively.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides an online cleaning device for a condenser of a refrigerator, which can utilize the operation unloading time of the refrigerator to carry out online cleaning on the condenser; in addition, the problem of overflow caused by bubbles generated in the cleaning process can be solved by arranging the defoaming nozzle; through being connected with clear water complementary structure, can adopt the clear water to wash after the cleaner washs, solve the cleaner and remain the problem.

Drawings

Fig. 1 is a schematic structural diagram of an on-line cleaning device for a condenser of a refrigerator disclosed in an embodiment of the present invention.

In the figure: 1 acid cleaning agent dosing tank, 2 circulating pumps, 3 cleaning water inlet pipes, 4 cleaning water return pipes, 5 liquid discharge pipes, 6 defoaming nozzles, 7 water replenishing ports, 8 water outlets, 9 defoaming pipelines, 10 condensers, 11 first valves, 12 second valves, 13 third valves, 14 fourth valves, 15 fifth valves, 16 overflow ports, 17 first flowmeters, 18 second flowmeters, 19 dosing ports and 20 clear water inlet pipes.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the utility model provides an online belt cleaning device of condenser of refrigerator, the device include acidic cleaning agent dosing tank 1 (be used for splendid attire cleaner (specifically oxalic acid solution or acetic acid solution etc. about 10wt%, the pH value is 1.5-2.0)), circulating pump 2, wash inlet tube 3, wash wet return 4, fluid-discharge tube 5 (be used for the discharge waste liquid), in the acidic cleaning agent dosing tank 1 and be located the defoaming shower nozzle 6 of liquid level top (be used for the spraying defoaming), water supplementing mouth 7 (be used for adding water configuration cleaner) and the delivery port 8 etc. of acidic cleaning agent dosing tank 1 bottom on acidic cleaning agent dosing tank 1 upper portion. The defoaming nozzle 6 sprays the cleaning agent downwards, and the water outlet 8 is connected with the inlet of the circulating pump 2 through a pipeline with a first valve 11. The outlet of the circulating pump 2 is divided into three paths for output, the first path is connected with a defoaming nozzle 6 through a defoaming pipeline 9 with a second valve 12, the second path is connected with a cleaning water inlet pipe 3, and the third path is connected with a liquid discharge pipe 5. Wash wet return 4 and acid cleaner dosing tank 1 (specifically be upper portion) and be equipped with third valve 13 on it, wash the other end of wet return 4 and wash the other end of inlet tube 3 and be connected with the both ends of condenser 10 respectively (with cooling water circulation disconnection), it is equipped with clear water inlet tube 20 (being used for carrying out the clear water to wash condenser 10) on the washing inlet tube 3, the other end and the clear water of clear water inlet tube 20 supply the structure (specifically can be for the water pipe, take water pressure certainly) and be connected and be equipped with fourth valve 14 on it, water replenishing opening 7 supplies the structural connection with the clear water, be equipped with fifth valve 15 on fluid-discharge tube 5 and its end is connected with drainage structures (such as following water course). The working process of the device is as follows: during the unloading period of the refrigerator, cleaning with a cleaning agent for 0.45h-1.5h; at this time, the first, second and

third valves

11, 12 and 13, the fourth and

fifth valves

14 and 15 are closed; after cleaning by the cleaning agent is completed, the fifth valve 15 is opened, and the first valve 11, the second valve 12 and the fourth valve 14 are closed; after the liquid is drained, the cleaning is carried out for 10-15min by adopting clean water, the fifth valve 15 is closed, the second valve 12 is opened or closed as required, and the first valve 11, the third valve 13 and the fourth valve 14 are opened. In the foregoing process, the circulation pump 2 is always on.

The refrigerating machine in the embodiment has the lowest temperature of-10 ℃, the rated power of 75-150KW, the refrigerating capacity of 175-350 KW, the chilled water flow of 50-75 m/h, the circulating water temperature of 25-32 ℃ and the condenser 10 which is a tubular heat exchanger.

Further, the upper portion of the acidic cleaning agent dosing box 1 in the embodiment of the present invention and the lower portion of the defoaming nozzle 6 are provided with an overflow port 16 for avoiding overflow, and the overflow port 16 can be connected with a drainage structure through a pipeline.

Preferably, referring to fig. 1, the first flowmeter 17 and the second flowmeter 18 are respectively disposed on the cleaning water inlet pipe 3 and the defoaming pipeline 9 for detecting the flow rate. In order to ensure the cleaning effect and avoid overflow, the flow ratio of the cleaning water inlet pipe 3 to the defoaming pipeline 9 is 1-3:1.

wherein, the embodiment of the utility model provides an acid cleaner dosing tank 1 is the rectangle box of PP material or PE material, and its volume is 500-1000L, and its top is equipped with open closed dosing port 19 (specifically 300X 300mm's square mouth and installs portable lid additional), is equipped with the pH value that the pH meter is used for detecting the washing liquid on it.

Wherein, the utility model provides an in circulating pump 2 be engineering plastic pump, power 4KW, the lift is greater than 15 meters, and the flow is 5m dry year/h, can acid and alkali-resistance corrosion.

Specifically, the embodiment of the utility model provides a wash inlet tube 3 is the PP pipe of DN25 specification, washs wet return 4 and is the PP pipe of DN40 specification, and defoaming pipeline 9 is the PP pipe of DN25 specification, and fluid-discharge tube 5 is the PP pipe of DN40 specification, and clear water inlet tube 20 is the PP pipe of DN25 specification, and circulating pump 2's export (its import specification is DN 50) specification is DN40.

Preferably, the embodiment of the present invention provides an on-line cleaning bypass inlet and an on-line cleaning bypass outlet which are provided at two ends of the condenser 10 and can be selectively opened (can be opened by a plurality of valves and separated from the cooling tower during cleaning), and the on-line cleaning bypass inlet and the on-line cleaning bypass outlet are respectively connected to the other end of the cleaning water inlet pipe 3 and the other end of the cleaning water return pipe 4.

In the present embodiment, "first", "second", "third", "fourth", and "fifth" only have a distinguishing function, and have no other special meaning. In the present embodiment, valves, pumps, flow meters, and/or the like are provided on the pipelines between the structures as needed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The on-line cleaning device of the condenser of the refrigerator is characterized by comprising an acid cleaning agent dosing tank (1), a circulating pump (2), a cleaning water inlet pipe (3), a cleaning water return pipe (4), a liquid discharge pipe (5), a defoaming nozzle (6) which is arranged in the acid cleaning agent dosing tank (1) and is positioned above the liquid level, a water replenishing port (7) at the upper part of the acid cleaning agent dosing tank (1) and a water outlet (8) at the bottom of the acid cleaning agent dosing tank (1), wherein the defoaming nozzle (6) sprays the cleaning agent downwards, and the water outlet (8) is connected with an inlet of the circulating pump (2) through a pipeline with a first valve (11); the outlet of the circulating pump (2) is divided into three paths for output, the first path is connected with a defoaming nozzle (6) through a defoaming pipeline (9) with a second valve (12), the second path is connected with a cleaning water inlet pipe (3), and the third path is connected with a liquid discharge pipe (5); wash wet return (4) and acid cleaner dosing tank (1) and be equipped with third valve (13) on it, the other end of wasing wet return (4) and the other end of wasing inlet tube (3) are connected with the both ends of condenser (10) respectively, be equipped with clear water inlet tube (20) on wasing inlet tube (3), the other end and the clear water of clear water inlet tube (20) supply the structural connection and be equipped with fourth valve (14) on it, moisturizing mouth (7) supply the structural connection with the clear water, be equipped with fifth valve (15) on fluid-discharge tube (5).

2. The on-line cleaning device for the condenser of the refrigerator according to claim 1, wherein an overflow port (16) is provided above the acidic cleaning agent dosing tank (1) and below the defoaming nozzle (6).

3. The on-line cleaning device for the condenser of the refrigerating machine according to claim 1, wherein a first flowmeter (17) and a second flowmeter (18) are respectively arranged on the cleaning water inlet pipe (3) and the defoaming pipeline (9).

4. The on-line cleaning device for condenser of refrigerator according to claim 1, wherein the acidic cleaning agent dosing tank (1) is a rectangular box made of PP, and has a dosing port (19) at the top thereof, which is openable and closable, and a pH meter is provided thereon.

5. The on-line cleaning device for the condenser of the refrigerator according to claim 1, wherein the cleaning water inlet pipe (3) is a PP pipe of DN25 specification, the cleaning water return pipe (4) is a PP pipe of DN40 specification, the defoaming pipeline (9) is a PP pipe of DN25 specification, the drain pipe (5) is a PP pipe of DN40 specification, the clean water inlet pipe (20) is a PP pipe of DN25 specification, and the outlet specification of the circulation pump (2) is DN40.

6. The on-line cleaning device for the condenser of the refrigerating machine according to any one of claims 1 to 5, wherein both ends of the condenser (10) are respectively provided with an on-line cleaning bypass inlet and an on-line cleaning bypass outlet which are selectively communicated, and the on-line cleaning bypass inlet and the on-line cleaning bypass outlet are respectively connected with the other end of the cleaning water inlet pipe (3) and the other end of the cleaning water return pipe (4).