KR20170127655A - Auto cleaning system - Google Patents

Abstract

The present invention relates to an automatic cleaning system and, more specially, related to a system automatically cleaning contaminant from a heat exchanger, such as a heat exchanger of a freezing apparatus, waste heat recovery heat exchanger, river water heat exchanger, domestic sewage heat exchanger, seawater heat exchanger, etc., to operate the heat exchanger in a condition of the best performance to save energy. According to the present invention, the system is formed to attach a dust collection device, a cleaning ball, and a pump to various types of existing heat exchange systems, thereby being able to continuously perform a cleaning process without stopping the system during operation of a heat exchange system. To achieve this, upper and lower dust collection devices (500), a lower pump (50), and the cleaning ball (40) are additionally attached to an existing heat exchanger system (200) and an existing upper pump (51). Accordingly, since only the dust collection device, the cleaning ball, and the pump are attached to various kinds of existing heat exchanger types, an operating part is simply limited to the pump, thereby removing worry about failure. Moreover, as an unmanned automatic system, a cleaning operation time is set in accordance with the various types of contaminants; thereby providing an effect capable of effectively collecting heat from unused energy, such as wastewater of a sauna, domestic sewage, etc., and also applying to heat recovery of the contaminant of various kinds of industrial processes to largely reduce energy consumption.

Description

{AUTO CLEANING SYSTEM}

The present invention relates to a system for applying an automatic cleaning system, and more particularly, to a system and a method for controlling a fluid such as a water heat exchanger, a waste heat recovery heat exchanger, a river water heat exchanger, a domestic sewage heat exchanger, The present invention relates to a system for saving energy by automatically cleaning pollutants of a heat exchanger and operating the performance of the heat exchanger in the best state. In the conventional various heat exchanger systems, Ball and pump are attached, so that the washing process can be continuously performed without stopping the system even during operation of the heat exchanger system.

Conventional heat exchanger cleaning systems include the following.

<Example 1>

 16 is a conventional heat exchanger cleaning system disclosed in Korean Patent Application No. 10-2007-0128792.

16 is a block diagram of a conventional heat exchanger washing system disclosed in the above-mentioned publication.

        The heat exchanger cleaning device includes a frame 110 fixedly installed at the periphery of the shell 1 of the heat exchanger and configured to support a repulsive force generated during washing, a control unit 120 mounted on the frame, A driving unit 130 connected to the control unit and mounted on the frame unit to generate operating power necessary for forward and backward movement, a moving block 150 mounted with the driving unit, a plurality of insertion bars And a plurality of induction pipes 182 for guiding the cleaning tips 160. The induction pipe 182 may be installed in the frame part 160. The induction pipe 182 may be provided on the frame part, And a tip guide 180. The insertion bar 160, the cleaning tip 170 and the guide tube 182 correspond to the number of tubes 3 of the tube group 4 of the heat exchanger and the tube axis center As a structure, a plurality of cleaning tips are advanced The cleaning operation is performed for each tube inside the tubes to prevent the scale from sticking to the heat exchanger and to increase the lifetime of the heat exchanger and to reduce the heat conductivity of the heat exchanger, to be.

       However, in the conventional heat exchanger cleaning system, the insert bar must be provided in proportion to the number of the heat exchanger tubes, and if the length of the heat exchanger tubes is long, the insert bar is excessively cramped and the initial cost of installing the washing system becomes excessively high.

<Example 2>

        17 is a conventional heat exchanger cleaning system disclosed in Korean Patent Publication No. 10-2004-0094993.

FIG. 17 is a structural diagram of a conventional heat exchanger cleaning system disclosed in the above publication, and is a working system.

     The system uses a cleaning ball 142 supplied through a combination of a pump 162 and an ejection 151 to automatically clean contaminants attached to the inner wall of a heat exchanger of a heat exchanger, The present invention relates to an automatic cleaning apparatus, and more particularly, to a self-cleaning apparatus comprising: a heat exchanger (122) having a discharge pipe on the other side of an inlet pipe; A ball separator 145 connected to the discharge pipe of the heat exchanger and having a separation plate therein so as to separate the fluid and the cleaning ball discharged through the discharge pipe; A ball inlet conduit and a ball return conduit connected to the ball outlets of the inlet pipe and the ball separator so that cleaning balls can be introduced or recovered into the heat exchanger or the cleaning ball storage tank; A cleaning ball storage tank installed in parallel so as to communicate with the ball introduction conduit and the ball return pipe, respectively, and having a collection net for collecting the cleaning balls therein; The cleaning ball is disposed in the cleaning ball storage tank through the supply return pipe and communicated with the lower end of the cleaning ball storage tank. The cleaning ball is returned into the cleaning ball storage tank through the spraying action of the fluid supplied from the circulation pump, An ejection as much as possible; A bypass conduit configured as a fluid inlet conduit and a fluid outlet conduit so as to be re-supplied from the fluid outlet conduit to the fluid outlet conduit through the ejection; A circulation pump installed in the fluid inlet conduit to supply fluid by ejection so that the cleaning ball can be introduced and recovered through one rotation; And a motorized valve disposed in the fluid outlet conduit on the ejection outlet side for allowing the cleaning balls to be collected or charged upon opening and closing thereof.

        However, in the conventional heat exchanger cleaning system, since the performance of the water ejector 151 is low, the power loss of the water pump is large, the structure of the apparatus is too complicated, and the fluid at the outlet of the water ejector flows through the valve 164, The check valve 130, and the like in order, so that there is a disadvantage that the pressure loss is large and the installation cost is increased.

<Example 3>

        18 is a conventional heat exchanger cleaning system disclosed in Korean Patent Laid-Open No. 10-2003-0074854.

18 is a block diagram of a conventional heat exchanger cleaning system disclosed in the above publication. The basket of a heat exchanger tube cleaning system and its arrangement structure capable of suppressing the rise of the hydraulic pressure in the heat exchanger, maintaining the flow rate, , The basket of the heat exchanger tube cleaning system is desorbed by a cap having a central portion opened and a hook formed along the edge thereof, and one end of the first cylindrical portion is formed with a vertically and horizontally cutaway surface, The basket has a structure in which a basket having different lengths is provided at both ends of the tube in the heat exchanger, Replace the brush with a low-resistance basket at the fluid outlet of each tube in the heat exchanger, and a higher resistance at the fluid inlet and outlet to the pipe The basket of the heat exchanger tube cleaning system and its arrangement structure can reduce the flow resistance in the tube in the heat exchanger and reduce the power cost of the pump by suppressing the rise of the hydraulic pressure.

        However, in the conventional heat exchanger cleaning system, since a basket is installed at the inlet and outlet of the heat exchanger tube to clean the interior of the washing bowl by repeating the forward and backward movement of the cleaning balls, a water switching device must be provided at the inlet and the outlet of the heat exchanger, The baskets must be twice as large as the number of heat pipes, the basket can not be operated in case of breakage, and the heat exchanger must be disassembled during repair.

The present invention relates to a system for applying an automatic cleaning system, and more particularly, to a system for automatically cleaning pollutants in a heat exchanger such as a heat exchanger, a waste heat recovery heat exchanger, a river water heat exchanger, a domestic sewage heat exchanger, The present invention relates to a system that saves energy by operating the heat exchanger in the best condition and attaches a dust collecting device, a cleaning ball and a pump to various existing heat exchanger systems. Therefore, even when the heat exchanger system is in operation, To provide a device that can continuously carry out the cleaning process without the need for the cleaning process.

Since the present invention attaches only a dust collecting device, a cleaning ball, and a pump to a conventional heat exchanger type, the driving part is simply limited to a pump. Therefore, there is no fear of failure and an unmanned automation system, By setting the time, it is possible to provide a device that can significantly reduce energy by applying heat recovery of pollutants in various industrial processes as well as effective heat recovery of unused energy such as existing bath and domestic sewage.

The present invention is also applicable to a case where the upper and lower dust collectors 500, the cleaning balls 40, the main controller 600 and the lower pump 50 are additionally attached to the existing heat exchanger system 200 and the upper pump 51 And the washing process is performed by grasping the degree of contamination of the heat exchanger system by the process of the main controller 600. By alternately repeating the operation of the pumps 50 and 51 for a predetermined period of time, The inlet side and the outlet side of the preheating tube 65 are moved repeatedly.

At this time, the cleaning balls 40 remove contaminants inside the heat transfer tubes by irregular collisions inside the heat transfer tubes 65, and the main controller 600 sets the cleaning operation time according to the kind of the contaminants, The inlet and outlet temperatures of the low-temperature and high-temperature fluids of the apparatus 200 can be measured to determine whether or not to clean the apparatus.

Therefore, the automatic washing apparatus according to the present invention is capable of energy saving by maintaining the performance of the heat exchanger in the best condition, and can continuously perform the washing process without stopping the heat exchanger system. And to provide devices that can significantly reduce energy consumption.

INDUSTRIAL APPLICABILITY The present invention can automatically clean the contaminants of heat exchangers such as a heat exchanger, a waste heat recovery heat exchanger, a river water heat exchanger, a domestic sewage heat exchanger and a seawater heat exchanger of a refrigerating machine to operate the heat exchanger in the best condition, And it is possible to continuously perform the washing process without stopping the system even during operation of the heat exchanger system by attaching the dust collecting device, the cleaning ball and the pump to various existing heat exchanger systems, Since it is limited to pump, there is no possibility of trouble, and as an unmanned automation system, it is possible to set the cleaning operation time according to the kind of various pollutants, so that not only the effective heat recovery of the unused energy of the existing bathhouse and domestic sewage, The heat recovery can be significantly reduced.

1 is a schematic diagram of an automatic cleaning system according to the present invention;
2 shows a control system of an automatic cleaning system according to the present invention;
3 shows a cleaning process of an automatic cleaning system according to the present invention;
4 shows a cleaning process of an automatic cleaning system according to the present invention;
5 shows a cleaning process of an automatic cleaning system according to the present invention;
6 is a view showing still another embodiment of the automatic cleaning system according to the present invention;
7 is a view showing a separation network of a dust collecting apparatus according to the present invention
8 is a view showing another embodiment of the automatic cleaning system according to the present invention;
9 is a view showing a separation network of a dust collecting apparatus according to the present invention.
10 is a view showing a connection pipe of the dust collecting apparatus according to the present invention
11 is a view showing a cleaning ball according to the present invention
12 is a view showing a cleaning ball according to the present invention
13 is a view showing a refrigeration cycle in the application of the present invention
Figure 14 is a time-pressure diagram of an automatic cleaning system according to the present invention;
15 is a graph showing pressure-consumption power of an automatic cleaning system according to the present invention;
16 is a diagram showing a schematic diagram of an example (1) of a conventional system
17 is a diagram showing a schematic diagram of an example (2) of a conventional system
18 is a diagram showing a schematic diagram of an example (3) of a conventional system

In order to achieve the above object, an automatic cleaning system according to the present invention comprises a dust collecting device for separating and storing cleaning balls by being attached to an inlet side and an outlet side of a heat exchanger system, A cleaning ball for cleaning the heat exchanger, and a pump for moving the cleaning ball by being attached to the inlet side of the dust collecting apparatus,

A cleaning system 100 comprising upper and lower dust collectors 500, cleaning balls 40 and pumps 50, 51 at the inlet and outlet sides of the heat exchanger system 200;

The temperature sensors 80, 81, 82, 83 for measuring the temperature of the hot fluid and the low temperature fluid of the heat exchanger system 200 and the pumps 50, 51 of the cleaning system 100 by the internal process, And a main controller 600 for controlling the main controller 600.

The features and advantages of the present invention will become more apparent from the detailed description of preferred embodiments with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventors should appropriately interpret the concepts of terms in order to describe their invention in the best way. It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of an automatic cleaning system according to the present invention will be described with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cycle diagram of a system of an automatic cleaning system in accordance with the present invention;

Reference numeral 100 denotes a cleaning system comprising upper and lower dust collectors 500, cleaning balls 40 and upper and lower pumps 50 and 51, The dust collecting device casings 10 and 11 are formed in the same shape as a cylindrical shape, a rectangular shape, and a rectangular shape. The dust collecting device casings 10 and 11 are composed of the casings 10 and 11, the separation nets 20 and 21, the outlets 33 and 34, The separation nets 20 and 21 are porous plates having a diameter less than the diameter of the cleaning balls. The separation nets 20 and 21 prevent the cleaning balls from passing therethrough and allow only the fluid to pass therethrough. Thus, the dust collecting apparatus casing 10, The outlet 33 and 34 are located in front of the dust collectors 10 and 11 and connected to the heat exchanger system 200. The outlet 33 and 34 are formed in various shapes such as a circle, And the connection forms of the outlets 33 and 34 may be of a threaded, flanged or welded type The inlet port 30 and the inlet port 31 are capable of supplying and discharging the fluid to and from the inside of the casings 10 and 11. In other words, And the cleaning balls 40 are attached to the rear end of the separation nets 20 and 21. The cleaning balls 40 are separated and stored inside the dust collecting apparatus 500. During operation of the cleaning system, (50) moves repeatedly through the interior of the internal heat transfer pipe (65) of the heat exchanger system (200) to remove contaminants from the tube wall of the heat transfer pipe (65) 40 may be of various shapes such as circular, protruding (FIG. 11. 42), brush (FIGS. 12, 43) and inner embossing, ) Of the heat exchanger (65) of the other heat exchanger And the pumps 50 and 51 are connected to the inlet portions 30 and 31. The pump 50 and 51 are connected to a common centrifugal pump, a vane pump, and a gear pump And the like can be used.

The heat exchanger system 200 is a device for exchanging heat between a high temperature fluid and a low temperature fluid. Various types such as a shell and tube type, a plate type, and a tube in tube type can be applied. The heat exchange system 200 shown in FIG. 1 is a cell end tube type, and is a type in which a contaminated component fluid is drawn into a heat transfer pipe 65.

In addition, reference numeral 300 denotes a fluid tank, which is a storage tank used for stably supplying fluid to the heat exchanger system 200, and various types such as rectangular, circular and open can be used, The fluid tank 300 may be omitted and the contaminated fluid may be directly introduced into the upper pump 50. [

Hereinafter, the configuration of the system of the present invention will be described with reference to the drawings.

1, the inlet side of the upper pump 50 is connected to the fluid piping in the upper part of the fluid tank 70, the outlet of the upper pump 50 is connected to the inlet part 31 by fluid piping, Is connected to the inlet of the heat exchanger system 200 by a fluid line and the outlet of the heat exchanger system 200 is connected by a fluid line to the outlet 33 of the dust collector 500, The inlet portion 30 of the pump 500 is connected to the inlet of the lower pump 50 by a fluid pipe and the inlet of the lower pump 50 is connected to the lower portion of the fluid tank 70 by a fluid pipe, (Hereinafter, referred to as an upper dust collecting apparatus and a lower dust collecting apparatus) of the heat exchanger system 100 have the same structure and are attached to the inlet and the outlet of the heat exchanger system 200 one by one. The fluid tank 70 and the pump 50, and 51 may be changed into various forms.

The operation of the present invention will be described below. It can be classified into 1) normal operation mode, 2) reverse washing mode, and 3) forward washing mode according to the operation mode of the washing system 100.

First, in the normal operation mode, the operation of the heat exchanger system 200 is normally operated, so that the fluid flows from the fluid tank 70 into the inlet 31 of the upper dust collector 500 by the operation of the upper pump 50 Passes through the separation net 21 through the outlet 34 of the heat exchanger system 200 and then into the outlet 33 of the lower dust collector 500 to be separated from the cleaning bowl 40, The separation net 20 and the inlet 30 in that order, and then flows into the fluid tank 70 through the lower pump 50. [

In this mode, the upper pump 50 operates normally, the lower pump 50 is stationary, the cleaning balls 40 are stored inside the lower dust collector 500, and the heat exchanger system 200 is kept at a low temperature Is the same as a general heat exchanger system (200) in which a heating and cooling process is performed by normal heat exchange between a fluid and a hot fluid.

Next, in the backward cleaning mode, the main controller 600 commands the cleaning operation to stop the upper pump 50 and to operate the lower pump 50 after a predetermined time (e.g., 5 seconds) The lower fluid is drawn through the lower pump 50 into the inlet 30 of the lower dust collector 500 and the fluid drawn into the inlet 30 passes through the separation network 20 inside the dust collector casing 10 The cleaning ball inside the lower dust collector 500 is transferred to the heat exchanger system 200 and the process is performed by inserting the fluid and the cleaning balls 40 into the internal heat pipe 65 of the heat exchanger system 200 The contaminants on the surface of the tube wall are removed by the irregular impingement friction with the tube wall of the electric heat pipe 65 and are introduced into the upper dust collector 500 at the upper outlet of the heat exchanger system 200, ), The cleaning balls are stored inside the upper dust collector 500, And is stored in the fluid tank after passing through the pump 50.

In this mode, the cleaning path of the cleaning ball 40 is shown in the drawing as an illustration in the initial state of FIG. 3, the cleaning process of FIG. 4, and the storage into the upper dust collector 500 after the cleaning process of FIG.

In this process, the lower pump 50 is operated, the upper pump 50 is stopped, the cleaning ball 40 is transferred from the lower dust collector 500 to the upper dust collector 500, The base system 200 can continuously operate without interruption.

3) In the forward cleaning mode, the lower pump 50 is stopped at the same time as the reverse cleaning mode is terminated, and the upper portion of the fluid in the upper portion of the tank 70 The fluid is drawn into the inlet 31 of the upper dust collector 500 through the upper pump 50 and the fluid drawn into the inlet 31 passes through the separation net 21 inside the dust collector casing 11 to the upper dust collector 500 into the heat exchanger system 200 and the process continues until the fluid and the wash ball 40 are seated into the internal heat transfer tubes 65 of the heat exchanger system 200 So that contaminants on the surface of the tube wall are removed by irregular impingement friction with the tube wall of the heat conduction pipe 65 and are introduced into the lower dust collector 500 from the lower outlet of the heat exchanger system 200, The cleaning ball is stored inside the lower dust collector 500, Through the loop 50 it is to be stored in the fluid tank 70.

In this mode, the movement path of the cleaning ball 40 is stored in the lower dust collector 500 through the heat exchanger system 200 in the upper dust collector 500.

Also, in the above process, the upper pump 50 is operated and the lower pump 50 is in a stopped state, and the heat exchanger system 200 can be continuously operated without interruption

The back washing mode and the forward washing mode are determined by the main controller 600 and include data obtained by measuring the temperature sensors 80, 81, 82, and 83 of FIG. 2, And the set time considering the characteristics according to the type of the heat exchanger.

Therefore, the main controller 600 calculates the temperature difference between the inlet and outlet fluids of the heat exchanger system 200 and instructs the washing operation of the heat exchanger system 200 below the set value. The main controller 600, It is determined whether or not the cleaning operation is performed by the temperature difference of the fluid and the set time.

In order to calculate the temperature difference of the fluid of the main controller 600, the difference between the low temperature fluid inlet temperature and the outlet temperature of the heat exchanger system 200 in FIG. 1 is ΔT1 = T) 81-T) 80 (T) 82 - T 83 (where T) 82, 83 is a temperature sensor 82, 83 is a temperature measurement value of the temperature sensor 80, 81, T) 81-T) 81 (where T) 81 and 82 are the measured temperature values of the temperature sensors 81 and 82, respectively, by calculating the difference between the high-temperature fluid inlet temperature and the low- ΔT3> ΔT3) is a system that judges whether the set temperature of the heat exchanger system 200 is large or small, ΔT1> ΔT1) set, and ΔT2> ΔT2) set is a temperature width of the high temperature fluid and the low temperature fluid of the heat exchanger system to determine the performance degradation of the heat exchanger system 200, It is used as a constant value.

Also, the operation time of the forward washing mode and the backward washing mode is an internal setting of the main controller 600, which is set by referring to the type of fluid, the degree of pollution, the type of heat exchanger, etc. For example, (Lower pump 50 is activated) -> 3 seconds delay (after stopping the upper pump 50) -> forward washing 2 minutes (operation of the lower pump 50) ) -> Repetitive loop control of the reverse washing 2 minutes (operation of the upper pump 50) is performed within the set time (for example, 15 minutes) of the main controller 600.

Figs. 6 and 8 are diagrams showing still another embodiment of the present invention, which is a system applying the basic cycle of the present invention shown in Fig.

First, FIG. 6 shows a check valve 90 which is opened in the direction of the upper pump 51 and closed in the opposite direction on the inlet side piping of the upper pump 50 of the dust collecting device system 100 of FIG. 1, A check valve 91 which is opened only in the upper to lower direction is additionally attached on the bypass pipe branched from the check valve 90 and the upper pump 51 and connected to the inlet pipe of the lower pump 50 The normal operation and the forward washing mode are the same while the reverse washing mode allows the washing pump 40 and the fluid to reach the upper dust collector 500 through the heat exchanger system 200 by the operation of the lower pump 50, The cleaning ball 40 is separated and stored by the separation net 21 of the upper dust collector 500. The fluid flows into the check valve 91 through the inlet 31 and the upper pump 51, The pump 50 is retracted and the check valve 90 is closed by the upper pump 51, The function of preventing the entry of fluid to the network (70).

In this embodiment, a system which can be applied to a form without the fluid tank 70 and the like is basically provided with the check valves 90 and 91 attached to the rear end of the pumps 50 and 51 in the basic system of FIG. And various forms of application are possible in the basic form of FIG.

8 is a modification of the internal separation network 22 of the upper and lower dust collectors 500 as shown in FIG. 7, which shows the basic separation network 20 of FIG. 1, A hole for penetrating the internal connection pipe 32 such as a circular or square shape is formed in the connection pipe 32. As shown in FIG. 10, the connection pipe 32 is partially or wholly made of a porous net, The inlet port 33 is inserted into the inside of the net 22 and protrudes higher than the storage height of the cleaning bowl so that the inlet port 33 can be attached to any position of the rear end of the separation net 22 of the dust collecting apparatus 100 to be.

8 is a schematic view illustrating a state in which the inner cleaning tube 40 of the dust collecting apparatus 500 is stored when the diameter of the cleaning balls is small due to the contamination of the fluid or the diameter of the inner heat transfer tube 65 of the heat exchanger system 200, One or more internal connection pipes 32 may be provided as a structure that compensates for the disadvantage that the porosity is small and the passage resistance of the fluid increases.

         13 is a diagram (Pi) showing the cycle (Pi) of the refrigeration and air-conditioning system in the case of the conventional system in which the automatic cleaning system according to the present invention is attached to the evaporator and the condenser of the refrigeration system and not attached to the evaporator and the condenser of the refrigeration system, I2 and i3 due to the contamination of the heat transfer tubes of the heat exchanger (collectively referred to as evaporator and condenser), but the heat transfer tubes are not polluted and operate with high efficiency cycles i1, i2 and i3. (P1 ') due to a change in the temperature of the heat transfer pipe (P1'), and the refrigeration / air conditioning cycle with the automatic washing system 100 of the present invention continues operation in the initial state without contamination of the heat transfer tube, (i1, i2, i3) to operate at high pressure (P2) and low pressure (P1).

         Therefore, the high pressure P2 and the low pressure P1 of the efficiency cycles i1, i2 and i3 are compared with the high pressure P2 'and the low pressure P1' of the refrigeration and air conditioning cycles i1 ', i2' and i3 (I2'-i1 ') is larger than the daily amount (i2-i1) because i2' is higher than i2 because the i2 'is higher than i2 and thus the conventional refrigeration and air- And the unit cooling ability (i1-i3) is larger than (i1'-i3 '), so that the cooling capacity of the evaporator is large.

14 and 15 are time-pressure diagrams and pressure-power lines of the refrigeration and air conditioning cycle of FIG. 13, respectively. In the conventional refrigeration and air conditioning cycle AB-C 'operate at a high pressure (P1 -> P2) Since the power consumption at this time is W1 in P1 and W2 in P2, since W2> W1, the refrigeration air conditioning heat exchange system equipped with the automatic cleaning system of the present invention is installed in the conventional heat exchanger system It is a high-efficiency cycle of lower energy consumption.

(1): Heat exchanger shell, (40): Cleaning ball, (50-51): Pump, (65): Heat pipe

Claims (8)

A dust collecting device which is attached to an inlet side and an outlet side of the heat exchanger system to separate and store the cleaning balls, a cleaning ball which is separately housed in the dust collecting device and cleans the heat exchanger during the cleaning process, An automatic cleaning system comprising a pump for moving a cleaning ball,
A cleaning system comprising a dust collecting device at the inlet and outlet sides of the heat exchanger system, a cleaning ball and a pump;
A temperature sensor for measuring a temperature of the high-temperature fluid and the low-temperature fluid in the heat exchanger system, and a main controller for controlling the cleaning process by operating the pump of the cleaning system with an internal process.
The system according to claim 1, wherein the cleaning system comprises upper and lower dust collectors, cleaning balls and upper and lower pumps, and the dust collecting device is configured in the form of a dust collecting apparatus casing, a separation net, an outlet and an inlet .

[3] The dust collecting apparatus according to claim 2, wherein the dust collecting apparatus casing is formed in a cylindrical shape, a square shape, a hexagonal shape, a conical shape, or the like, and the separation net is a porous plate having a diameter smaller than the diameter of the cleaning ball, And the outlet is located at the front end of the dust collecting apparatus so that the inlet and outlet of the fluid can be performed during the operation of the washing system, and the inlet can be configured to supply or discharge the fluid to the inside of the casing And a structure located at the rear end of the separation network.

The system of claim 1, wherein the cleaning ball is configured in various forms such as circular, protruding, brush-like, and inner embossing.
The dust collecting apparatus according to claim 1, wherein one or a plurality of internal connecting pipes are assembled in a through-hole on the separating network of the dust collecting device, and the connecting pipe is formed in a part or whole of a porous net system.
2. The dust collecting device system according to claim 1, wherein a check valve which is opened in the direction of the pump and is closed in the opposite direction is attached on the inlet side pipe of the upper pump of the dust collecting device system and is branched between the check valve and the upper pump, And a check valve which is opened only from the top to the bottom on the bypass pipe connected to the bypass pipe.
2. The apparatus of claim 1, wherein the main control unit is a device for determining a normal operation mode, a reverse cleaning mode and a forward cleaning mode of the heat exchanger system, wherein measurement data of the inlet and outlet temperatures of the hot and cold side fluids of the heat exchanger system, And determining whether or not to perform the cleaning with time. 8. The system according to claim 7, wherein the main controller repeatedly performs the cleaning operation in the forward cleaning mode and the backward cleaning mode within the cleaning set time.

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