CN110657702A

CN110657702A - Brush type online cleaning system device

Info

Publication number: CN110657702A
Application number: CN201910957724.8A
Authority: CN
Inventors: 芮荣军; 乐进
Original assignee: Weisan (shenzhen) Technology Co Ltd
Current assignee: Weisan (shenzhen) Technology Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-01-07

Abstract

The invention discloses a brush type online cleaning system device, which comprises a cooling tower, a cooling water pump, a central air-conditioning main machine condenser, a four-way reversing valve and a four-way reversing valve controller, wherein a water inlet of the cooling tower is connected with the four-way reversing valve through a water return pipe, a water outlet of the cooling tower is connected with the cooling water pump, an outlet of the cooling water pump is connected with the four-way reversing valve through a water inlet pipe, and the other two interfaces of the cooling water pump are respectively connected with the water inlet and the water outlet of the central air-conditioning main machine condenser, and the brush type: 1. the brush basket is designed with a buckle, so that the brush is convenient to replace and is suitable for light pipes and high-efficiency threaded pipes; 2. the service life is long: the pipe brush adopts special material to constitute, and under the 24 hours incessant circumstances of operation of standard refrigerator operating mode, the life of pipe brush is 5 years, need not to change the pipe brush in 5 years.

Description

Brush type online cleaning system device

Technical Field

The invention relates to a heat exchange unit, in particular to a brush type online cleaning system device.

Background

The cleaning condenser copper pipes used at present are mainly divided into three types:

1. manually poking and cleaning: the main machine of the central air conditioner is shut down, end covers at two ends of the condenser are dismantled, the end covers are covered after descaling and cleaning are finished, time and labor are consumed, and the refrigeration system stops running.

2. Cleaning with chemical agents: chemical agents are added into cooling water in a copper pipe of a condenser to inhibit suspended matters, precipitates and the like so as to achieve the aim of descaling, but the method has the following defects that the amount of the additives is difficult to control; causing pollution to the environment; chemical corrosion is caused to the copper pipe of the condenser; the descaling is not thorough or the cover is opened for regular manual cleaning;

3. cleaning a rubber cotton ball: this is that increase a set of device beside the condenser, there are service robot and recovery machine, ball circulating pump etc. utilize numerous gluey balls to rush into in the condenser copper pipe along with water pressure, carry out this kind of scheme of washing of certain degree to condenser copper pipe inner wall and have following drawback: copper pipes are randomly cleaned, and some copper pipes are not cleaned; the rubber ball is easy to block the copper pipe; the cleaning period is long; the maintenance cost is high and needs to be changed for 1-2 months.

Disclosure of Invention

The invention aims to provide a brush type online cleaning system device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an online cleaning system device of brush formula, includes cooling tower, cooling water pump, central air conditioning host computer condenser, four-way reversing valve and four-way reversing valve controller, the water inlet of cooling tower passes through wet return connection four-way reversing valve, cooling water pump is connected to the delivery port of cooling tower, the export of cooling water pump is through advancing water piping connection four-way reversing valve, the water inlet and the delivery port of central air conditioning host computer condenser are connected respectively to two other interfaces of cooling water pump, the inside of central air conditioning host computer condenser is equipped with many heat exchange tubes, each heat exchange tube all has preassembled a brush and two brush baskets, the brush basket assembles respectively at the both ends of heat exchange tube, the brush dress is in one of them brush basket, the switching of rivers direction is carried out to four-way reversing valve during operation, make the inside rivers direction of heat exchange tube change.

As a further scheme of the invention: the cooling water pump is installed on the water pump basis.

As a further scheme of the invention: the water return pipe is a corrosion-resistant steel pipe.

As a further scheme of the invention: the central air-conditioning host condenser is arranged on the air-conditioning host foundation.

As a further scheme of the invention: the four-way reversing valve is also connected with a four-way reversing valve controller.

As a further scheme of the invention: the four-way reversing valve controller is a single chip microcomputer or a PLC.

As a further scheme of the invention: and a timer is arranged in the four-way reversing valve controller.

Compared with the prior art, the invention has the beneficial effects that: 1. the brush basket is designed with a buckle, so that the brush is convenient to replace and is suitable for light pipes and high-efficiency threaded pipes; 2. the service life is long: the pipe brush is made of special materials, the service life of the pipe brush is 5 years under the condition that the standard refrigerator operates continuously for 24 hours, and the pipe brush does not need to be replaced within 5 years; 3. the system operation is not influenced: automatic online circulation cleaning system need not to shut down and can wash indirect heating equipment, and this is especially special: the cleaning function is completed under the condition that the using function of an air conditioner user is not influenced; 4. the operation cost is low: in the running process of the system, except for the actuator and the control panel of the four-way reversing valve, no extra power consumption equipment is provided, and the running cost is low. 5.100% cleaning: because the design of the pipe brush system is one-to-one, namely, one heat exchange pipe corresponds to one pipe brush and two brush baskets, each heat exchange pipe can be thoroughly cleaned. 6.100% tube brush recovery: each pipe brush is matched according to the inner diameter of the heat exchange pipe, so that the phenomenon that the pipe brushes are blocked inside the heat exchange pipe does not exist when water flow is switched. 7. The pressure loss is small: the pressure loss is less than 15Kpa and the pressure drop is essentially negligible. 8. High-efficiency and energy-saving: the heat exchange efficiency of the heat exchanger is improved, and the energy is saved by 15-30%.

Drawings

FIG. 1 is a schematic view of a four-way reversing valve in a forward working position.

FIG. 2 is a schematic view of the four-way reversing valve in the reverse operating position.

In the figure: the system comprises a cooling tower 1, a water pump base 2, a water return pipe 3, a brush basket 4, a central air conditioner main unit condenser 5, a brush 6, a four-way reversing valve controller 7, an air conditioner main unit base 8, a four-way reversing valve 9, a water inlet pipe 10 and a cooling water pump 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, example 1: in the embodiment of the invention, the brush type online cleaning system device comprises a cooling tower 1, a cooling water pump 11, a central air-conditioning main machine condenser 5, a four-way reversing valve 9 and a four-way reversing valve controller 7, wherein a water inlet of the cooling tower 1 is connected with the four-way reversing valve 9 through a water return pipe 3, a water outlet of the cooling tower 1 is connected with the cooling water pump 11, an outlet of the cooling water pump 11 is connected with the four-way reversing valve 9 through a water inlet pipe 10, and the other two interfaces of the cooling water pump 11 are respectively connected with the water inlet and the water outlet of the central air-conditioning.

Firstly, the online cleaning system for the pipe brush is designed to clean each heat exchange pipe, so that each heat exchange pipe is pre-assembled with a brush and two brush baskets, the brush baskets are respectively assembled at two ends of the heat exchange pipe, and the brush is arranged in one of the brush baskets;

when the four-way water flow reversing valve works, the water flow direction is switched, so that the water flow direction in the heat exchanger is changed, the brush is pushed to reciprocate to clean the pipe wall, and any tough dirt is removed in time when the four-way water flow reversing valve is in a soft state. When the system does not work, the brush is positioned in the brush basket and is in a static state. The number of times of cleaning the system is determined according to local working conditions, and cleaning every 4-6 hours is generally recommended.

Example 2: in addition to embodiment 1, a three-way valve 2 is provided on the main pipe 5 between the water flow reversing valve 8 and the secondary side water return port 14. The three-way valve 2 is arranged on the main pipeline 5 between the water flow reversing valve 8 and the secondary side water return port 14, and dirt can be discharged through a drain valve.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A brush type online cleaning system device comprises a cooling tower (1), a cooling water pump (11), a central air-conditioning host condenser (5), a four-way reversing valve (9) and a four-way reversing valve controller (7), and is characterized in that a water inlet of the cooling tower (1) is connected with the four-way reversing valve (9) through a water return pipe (3), a water outlet of the cooling tower (1) is connected with the cooling water pump (11), an outlet of the cooling water pump (11) is connected with the four-way reversing valve (9) through a water inlet pipe (10), the other two interfaces of the cooling water pump (11) are respectively connected with the water inlet and the water outlet of the central air-conditioning host condenser (5), a plurality of heat exchange pipes are arranged inside the central air-conditioning host condenser (5), each heat exchange pipe is pre-assembled with a brush (6) and two brush baskets (4), the brush baskets (, the brush (6) is arranged in one of the brush baskets, and the four-way reversing valve (9) switches the water flow direction when working, so that the water flow direction in the heat exchange tube is changed, and the brush (6) is pushed to reciprocate to clean the tube wall.

2. The brush type online cleaning system device according to claim 1, wherein the cooling water pump (11) is installed on a water pump base (2).

3. The brush type online cleaning system device according to claim 1, wherein the water return pipe (3) is a corrosion-resistant steel pipe.

4. The brush type online cleaning system device as claimed in claim 1, wherein the central air conditioner main unit condenser (5) is installed on an air conditioner main unit foundation (8).

5. The brush type online cleaning system device as claimed in claim 1, wherein the four-way reversing valve (9) is further connected with a four-way reversing valve controller (7).

6. The brush type online cleaning system device according to claim 5, wherein the four-way reversing valve controller (7) is a single chip microcomputer or a PLC.

7. A brush type online cleaning system device according to any one of claims 1-6, characterized in that a timer is arranged inside the four-way reversing valve controller (7).