KR100922302B1 - System for preventing freezing waste water pipe and waste water tank - Google Patents

Abstract

PURPOSE: A freezing prevention apparatus of a waste water pipe and a waste water tank of a waste cleaning vehicle is provided to treat the waste water regardless of outside temperature in the winter season by preventing waste water from being frozen in the waste water pipe and the waste water tank. CONSTITUTION: A freezing prevention apparatus of a waste water pipe(20) and a waste water tank(10) of a waste cleaning vehicle is composed of a first heating unit(100), a second heating unit(200), a third heating unit(300), a heat generating unit(400), and a heat loss prevention unit. The first heating unit heats the waste water tank. The second heating unit heats the waste water pipe. The third heating unit heats a waste water auxiliary tank(30). The heat generating unit heats the heat transmitted to the first, second, and third heating units by using heat generated in an exhaust funnel of the waste cleaning vehicle. The heat loss prevention unit prevents the loss of heat generated in the heat generating unit.

Description

Waste water pipe and sewage tank freezing prevention system of garbage cleaning vehicle {SYSTEM FOR PREVENTING FREEZING WASTE WATER PIPE AND WASTE WATER TANK}

The present invention relates to a sewage freezing prevention system, and more particularly, to prevent sewage in sewage tanks and sewage pipes that process sewage generated from garbage loaded in a cleaning vehicle, and thus sewage treatment regardless of the outside temperature in winter. The present invention relates to a sewage freezing prevention system for a garbage cleaning vehicle.

In general, cleaning vehicles that collect environmental beautification, especially garbage, include armroll trucks, roll pack trucks, press pack trucks, and food garbage collectors. have.

These cleaning vehicles are determined by the type of household garbage collected.

For example, a compressed truck or a compressed truck is a vehicle that can load a larger amount of household waste through compression, and a food truck is a vehicle that collects only food containing more water than other household wastes. to be.

As such, the cleaning vehicle used for environmental beautification is a vehicle that makes modern people more comfortable but contributes to living by collecting household waste discharged from home or office.

However, in the case of collected household waste, there is a problem in that, in addition to a food collection vehicle that collects food containing a lot of water, in the case of general garbage, the sewage is generated and the sewage flows out of the vehicle or the smell of the sewage is generated. .

Thus, a cleaning vehicle capable of treating sewage generated from household waste collected has been developed.

For example, Korean Utility Model Registration No. 20-0234675 (registered on June 05, 2001) discloses a "loading box for a compressed vehicle".

This changes the structure of the roof panels and side panels that make up the ceiling and both side walls of the storage box to increase the overall strength and improve the appearance, and at the same time change the angle of placement of the floor panels that make up the floor of the storage box. The technology relates to an easy drain to the drain passages without accumulating on the bottom of the stack.

In addition, the Republic of Korea Patent Publication No. 10-0370712 (registered on January 20, 2003) is disclosed a "sewage leakage prevention device of a compressed vehicle."

This maximizes the storage capacity of the sewage while using the sewage tank of the compressed chariot, which has been conventionally supplied, so that the amount of sewage generated during the collection and compression of household waste exceeds the capacity of the existing sewage tank. It relates to a technique to prevent.

The above-described cleaning vehicle technology relates to a technology capable of treating odors generated from loaded household waste to prevent odors.

However, in the case of these technologies, by treating the sewage generated from the loaded household waste, it is possible to solve the problem of sewage flowing out of the vehicle or odor caused by the sewage, but when the temperature drops below freezing in winter, the sewage freezes and the sewage treatment is normally performed. There is a problem that is impossible.

Furthermore, there is a problem in that the sewage pipe to which sewage is moved to the sewage tank is frozen and does not function properly.

Accordingly, there is a demand for the development of a cleaning vehicle capable of treating sewage regardless of the outside temperature.

Accordingly, an object of the present invention is to prevent sewage of sewage in the sewage tank and sewage pipe that uses sewage from the exhaust tank of the cleaning vehicle to prevent sewage in the sewage pipe. Sewage tank freezing prevention system.

In order to achieve the object of the present invention described above, the present invention is a sewage tank for treating sewage generated from the rubbish to be loaded in the loading box of the cleaning vehicle, to prevent sewage freezing in the sewage tank for storing the sewage generated in the loading box A first heating unit for heating the sewage tank; A second heating unit for heating the sewage pipe to prevent sewage freezing in the sewage pipe connecting the loading box and the sewage tank; And a heat generating unit generating heat transferred to the first heating unit and the second heating unit using heat generated naturally from the exhaust box of the cleaning vehicle.

By using the sewage pipe and sewage tank freezing prevention system of the garbage cleaning vehicle according to the present invention, it is possible to treat sewage generated from household waste loaded regardless of external temperature.

In addition, it is possible to provide a sewage pipe and a sewage tank icing prevention system of a garbage cleaning vehicle that is maximized in use by being applied to various types of cleaning vehicles such as food collection truck, arm roll truck, compressed truck, and compressed truck.

In addition, by preventing the icing of sewage by using the heat of the exhaust pipe that is naturally generated as the vehicle runs, it is possible to provide an economical sewage frost prevention system, since no additional means and cost for generating heat are generated.

Hereinafter, a sewage pipe and a sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing an arm roll truck that can be applied to the sewage pipe and sewage tank freezing prevention system of the garbage cleaning vehicle according to an embodiment of the present invention, Figure 2 is a sewage pipe of the garbage cleaning vehicle according to an embodiment of the present invention and 3 is a view showing a crimped open vehicle to which a sewage tank icing prevention system can be applied, and FIG. 3 is a view showing a compressed sewage vehicle to which a sewage pipe and a sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention can be applied. 4 is a view showing a food collection truck to which the sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention can be applied.

The sewage pipe and sewage tank icing prevention system of the garbage cleaning vehicle of the present invention is a technology capable of preventing icing of sewage that may be generated from garbage loaded in the cleaning vehicle collection by using the heated temperature of the vehicle exhaust bin, Is a technology that prevents freezing of sewage by transferring the generated heat to the sewage tank and sewage pipe for sewage treatment. This technique can be applied to various kinds of cleaning vehicles (am roll trucks, compressed vans, compressed vans, and food carts, etc.) shown in FIGS.

Hereinafter, each component will be described in detail with reference to the accompanying drawings.

5 is a schematic configuration diagram illustrating a sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

Referring to FIG. 5, the sewage pipe and sewage tank freezing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention includes a first heating unit 100 for heating the sewage tank 10, and a second heating sewage pipe 20. And a heating part 200 and a heat generating part 400.

The first heating unit 100 serves to prevent the sewage in the sewage tank 10 for storing sewage generated from household waste loaded in the cleaning vehicle loading box (freeze heat).

The first heating unit 100 to prevent freezing of sewage in the sewage tank 10 may be selectively positioned on a lower surface, a side surface, or an upper surface of the sewage tank 10. Alternatively, the first heating unit 100 may be located on two or more surfaces of the sewage tank 10.

In addition, the second heating unit 200 serves to prevent the sewage in the sewage pipe 20 which delivers the sewage generated from the household waste loaded into the cleaning vehicle stack into the sewage tank 10.

The second heating unit 200 which prevents freezing of sewage in the sewage pipe 20 may be formed to surround the sewage pipe 20.

Furthermore, the sewage freezing prevention system of the garbage cleaning vehicle according to the embodiment of the present invention may further include a third heating unit 300.

In more detail, in case the amount of sewage flowing into the sewage tank 10 exceeds a reference value, a sewage auxiliary tank 30 may be additionally installed. Accordingly, the third heating part 300 serves to prevent sewage in the sewage supplementary tank 30 from freezing.

Preferably, the third heating unit 30 to prevent freezing of sewage in the sewage supplementary tank 30 is selectively positioned on a lower surface, a side surface, or an upper surface of the sewage supplemental tank 30. Alternatively, the first heating unit 100 may be located on two or more surfaces of the sewage tank 10.

The heat generating unit 400 serves to generate heat transferred to the first heating unit 100 and the second heating unit 200 using heat generated naturally from the exhaust box of the cleaning vehicle.

An embodiment of the sewage freezing prevention system of the present invention consisting of the first heating part 100, the second heating part 200, and the heat generating part 400 will be described in detail as follows.

6 is a schematic configuration diagram of a heat generating unit and a heating unit for explaining a sewage pipe and a sewage tank freezing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

Referring to FIG. 6, the first heating unit 100 and the second heating unit 200 may include heating wires 110 and 210, respectively.

More specifically, the heating wires 110 and 210 may allow the first heating unit 100 and the second heating unit 200 to prevent sewage freezing in the sewage tank 10 and the sewage pipe 20, respectively. It receives the heat from the heat generating unit 400 serves to generate heat.

The heating wires 110 and 210 may be formed in a zigzag curved shape to maximize the heating effect. In addition, the shape of the hot wire portion 110, 210 may be designed in any shape that can maximize the heating effect.

In addition, the first heating unit 100 may be a heat-insulating coating on the opposite side in contact with the sewage tank (10).

The adiabatic coating process is to prevent the heat transferred to the hot wire unit 110 of the first heating unit 100 to be lost to the place other than the sewage tank 10. Furthermore, the first heating unit 100 may further form a heat insulating member (not shown) in addition to a method of heat insulating coating the opposite surface in contact with the collection box.

In addition, the position of the first heating unit 100 may be formed under the sewage tank 10 or may be formed inside the sewage tank 10. As such, the position of the first heating part 100 may be selectively positioned differently according to the initial design purpose.

The heat generator 400 is heated by the heat of the exhaust pipe 1 of the cleaning vehicle, that is, serves to receive heat generated from the exhaust pipe 1.

More specifically, the heat generating unit 400 is preferably formed in the form of winding the exhaust pipe (1). Accordingly, the heat generator 400 formed in the form of winding the exhaust pipe 1 receives heating, that is, heat, by the heat of the exhaust pipe 1 that is naturally generated while the cleaning vehicle runs.

In addition, the exhaust pipe of the current cleaning vehicle is equipped with a smoke reduction device (2) for the purpose of reducing the smoke emissions to the air, the heat conducting unit 100 includes the smoke reduction device (2) inside The exhaust cylinder 1 may be formed in a wound form, or may be formed so as to surround only the exterior of the exhaust cylinder 1.

The heat generator 400 may be formed at any position of the exhaust cylinder 1 as long as it can receive heat from the exhaust cylinder 1.

The heat generating unit 400 is preferably formed of a high thermal conductivity material so that the heat generated naturally from the exhaust pipe (1) can be efficiently transmitted. For example, it would be desirable to use copper, aluminum, and the like, which have high thermal conductivity.

Furthermore, when considering the strength of the heat generating unit 400 according to the initial design purpose, it may be used an aluminum alloy added a metal, such as copper, magnesium to aluminum.

In addition, the sewage freezing prevention system of the present invention may further include a heat loss prevention unit 450 for preventing the heat generation unit 400 from losing the heat transferred from the exhaust container 1 to the outside.

In more detail, the heat loss preventing unit 450 may be formed to surround the outside of the heat generating unit 400 to prevent the heat of the heat generating unit 400 from being lost to the outside. Alternatively, the heat loss preventing unit 450 is not in contact with the heat generating unit 400 to improve the heat loss reducing effect of the heat generating unit 400, and is between the heat generating unit 400 and the heat loss preventing unit. It may be formed in a form surrounding the heat generating unit 400 so that a predetermined space is formed.

Furthermore, the surface of the heat loss prevention unit 450 may be thermally coated. The heat treatment technology is a technique well known in the art, detailed description thereof will be omitted.

In addition, the heat loss prevention unit 450 may selectively form a separate heat insulation member (not shown) inside or outside the heat loss prevention unit 450 in addition to the heat insulation coating treatment.

Referring to FIG. 6, the sewage freezing prevention system of the present invention may further include a switch 500.

The switch 500 serves to control the heat generated from the heat generator 400 to be transferred to the respective heat wire units 110 and 210.

In more detail, the switch 500 transmits heat from the heat generating part 400 to the heating wire parts 110 and 210 formed in the first heating part 100 and the second heating part 200, respectively. In order to control this, it may be configured by an electronic switch or a bimetal.

When the switch 500 is configured as an electronic switch, the switch 500 is preferably controlled by a controller to be described later.

In addition, when the switch 500 is made of bimetal, a separate configuration for driving control of the switch 500 is not required. More specifically, the bimetal stacks metal plates having different coefficients of thermal expansion and serves as a switch by using a property of bending to one side by heat. Since a technique for performing a switch function using the bimetal is a well known technique, a switch control technique using a bimetal will be omitted.

FIG. 7 is a schematic block diagram illustrating a sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

Referring to FIG. 7, the sewage freezing prevention system of the present invention may further include a temperature sensor 550 and a controller 600.

The temperature sensor 550 detects a temperature. More specifically, the temperature sensor 550 detects a temperature at which sewage in the sewage tank 10 and the sewage pipe 20 can freeze.

To this end, the temperature sensor 550 may be formed in contact with each side of the sewage tank 10 and the sewage pipe 20. In addition, the temperature sensor 550 may be located anywhere on one side of the vehicle in addition to one side of the sewage tank 10 and the sewage pipe 20.

However, when the sewage tank 10 and the sewage pipe 20 are formed on one side, the sewage tank 10 and the sewage pipe 20 may be more accurately set to a freezing temperature of sewage (for example, 0 ° C.). There is an advantage that can be detected, if formed on one side of the vehicle, the sewage freezing prevention system of the present invention by operating in advance to detect the temperature until the sewage (for example, the temperature higher than 0 ℃) in advance There is an advantage that can be prepared for preheating the heat generating unit (400).

As such, there are advantages in accordance with the position of the temperature sensor 550, the position of the temperature sensor 550 may be selectively determined differently according to the initial design purpose.

Furthermore, the temperature sensor 550 may be selectively positioned in the sewage tank 10 or the sewage pipe 20, or may be positioned in the sewage tank 10 and the sewage pipe 20, respectively.

The controller 600 controls the driving of the switch 500 according to the temperature data received from the temperature sensor 550. More specifically, the heat generated through the zero generator 400 may be transferred to the first heating unit 100 and the second heating unit 200 according to the temperature data transmitted from the temperature sensor 550. It has a role to control.

In this case, the switch 500 under the driving control of the controller 600 may be formed of an electronic switch.

Another embodiment of the sewage freezing prevention system of the present invention consisting of the first heating unit 100, the second heating unit 200, and the heat generating unit 400 will be described in detail as follows.

8 is a schematic configuration diagram of a heat generating unit and a heating unit for explaining a sewage pipe and a sewage tank freezing prevention system of a garbage cleaning vehicle according to another embodiment of the present invention.

Referring to FIG. 8, the heat generator 400 serves to heat the heating medium using the heat of the exhaust pipe 1 of the cleaning vehicle. To this end, the heat generating unit 400 is preferably formed to surround the exhaust pipe (1).

In more detail, the heat generator 400 is formed to surround the exhaust cylinder 1, and the heating medium heated by the heat generator 400 is inside the heat generator 400, that is, the exhaust cylinder 1. It is preferable that the heat generating unit 400 surrounds the exhaust pipe 1 so that a predetermined space is formed therein so as to be located between the heat generating unit 400 and the heat generating unit 400. In addition, the size of the predetermined space formed inside the heat generating unit 400 may be differently selected according to the initial design purpose.

In addition, the exhaust pipe of the current cleaning vehicle is equipped with a smoke reduction device (2) for the purpose of reducing smoke emitted to the atmosphere, the heat generating unit 400 includes the smoke reduction device (2) inside It may be formed to surround the exhaust cylinder (1), it may be formed to surround only the exhaust cylinder (1).

In addition, the heat generator 400 is a heat-insulating coating treatment to prevent the heat of the heating medium heated by the heat generated from the exhaust pipe (1) located therein to be lost to the outside of the heat generator 400. It may be desirable.

The heat treatment technology is a technique well known in the art, detailed description thereof will be omitted.

In addition, the heat generating unit 400 may selectively form a separate heat insulating member (not shown) inside or outside the heat generating unit 400 in addition to the heat insulating coating treatment.

As the heating medium located inside the heat generating unit 400, it is preferable to selectively use air or liquid. The liquid may be used as long as it can be heated by heating.

Referring to FIG. 8, the first heating unit 100 and the second heating unit 200 may use the heat generating unit 400 to prevent sewage freezing in the sewage tank 10 and the sewage pipe 20. It serves to transfer the heat of the heating medium heated through the sewage tank 10 and the sewage pipe 20.

In more detail, the first heating part 100 and the second heating part 200 are heated with the heating medium introduced through the heat generating part 400 to heat the sewage tank 10 and the sewage pipe 20. It may include a heating tube (120, 220) to deliver. That is, the first heating unit 100 and the second heating unit 200 are the waste water through the heating tube 120, 220 through which the heating medium heated through the heat generating unit 400 flows into the interior. It is to prevent icing of the sewage generated in the tank 10 and the sewage pipe 20.

The heating tubes 120 and 220 may be formed in a zigzag curved shape to maximize the heating effect. In addition, the shape of the heating tube 120, 220 may be designed in any shape that can maximize the heating effect.

In addition, the first heating unit 100 may be a heat-insulating coating on the opposite surface in contact with the sewage tank (10).

The adiabatic coating process is to prevent the heat transferred to the hot wire unit 110 of the first heating unit 100 to be lost to the place other than the sewage tank 10. Furthermore, the first heating unit 100 may further form a heat insulating member (not shown) in addition to a method of heat insulating coating the opposite surface in contact with the collection box.

In addition, the position of the first heating unit 100 may be formed under the sewage tank 10 or may be formed inside the sewage tank 10. As such, the position of the first heating part 100 may be selectively positioned differently according to the initial design purpose.

The heating medium flowing from the heat generating unit 400 to the first heating unit 100 and the second heating unit 200 is heated in the heat generating unit 400 to be the first heating unit 100 and It may be desirable to circulate to the heating tube (120, 220) of the second heating unit (200).

More specifically, the heating medium is introduced into the first heating unit 100 or the second heating unit 200 from the heat generating unit 400 through the first circulation pipe 650, the first heating unit The heating medium introduced into the 100 or the second heating unit 200 may be re-introduced into the heat generating unit 400 through the second circulation pipe 700.

9 is a schematic block diagram for explaining a sewage pipe and a sewage tank frost preventing system of a garbage cleaning vehicle according to another embodiment of the present invention.

Referring to FIG. 9, the sewage freezing prevention system of the present invention may further include a pump 750, a temperature sensor 800, and a controller 850.

The pump 750 may be driven to allow the heating medium heated through the heat generator 400 to flow into the first heating unit 100 and the second heating unit 200.

And the temperature sensor 800 serves to detect the temperature. In more detail, the temperature sensor 800 serves to detect a temperature at which sewage in the sewage tank 10 and the sewage pipe 20 may freeze.

To this end, the temperature sensor 800 may be formed in contact with one side of the sewage tank 10 and the sewage pipe 20. In addition, the temperature sensor 800 may be located anywhere on one side of the vehicle in addition to one side of the sewage tank 10 and the sewage pipe 20.

In addition, the controller 850 receives the temperature data detected by the temperature sensor 800. The controller 850 controls the driving of the pump 750 according to the temperature data transmitted from the temperature sensor 800.

In more detail, the control unit 850 compares the temperature data transmitted from the temperature sensor 800 and compares the set temperature value with the set temperature value to determine the sewage in the sewage tank 10 or the sewage pipe 20. Is considered to have occurred and the pump 750 is driven. Accordingly, the heating medium heated through the heat generating part 400 is circulated to the first heating part 100 or the second heating part 200 to prevent freezing of sewage.

Further, the control unit 850 controls to discharge the air (heating medium) circulated in the first heating unit 100 or the second heating unit 200 to the outside when the heating medium is air, not liquid. You could do it.

To this end, the heat generating unit 400 may further include an air inlet valve (not shown) and an air discharge valve (not shown) on the left and right sides, respectively.

Accordingly, the control unit 850 discharges the air inlet valve and the air to prevent heating of the heat generating unit 400 during the summer when the sewage tank 10 and the sewage pipe 20 do not freeze. Each of the valves may be controlled to allow the inside of the heat generator 400 to be vented.

As described above, when the heating medium is a liquid, the controller 850 may control whether the pump 750 is driven according to the temperature data transmitted from the temperature sensor 800.

In addition, when the heating medium is air, the controller 850 controls the driving of the pump 750 when it is determined that the driving of the pump 750 is necessary according to the temperature data transmitted from the temperature sensor 800. At the same time, the air inlet valve and the air outlet valve can be controlled (control of closing the valve).

The control unit 850 controls to stop the driving of the pump 750 when it is determined that the driving of the pump 750 is to be stopped by the temperature data transmitted from the temperature sensor 800. And the air discharge valve can be controlled (control to open the valve).

Furthermore, sewage freezing prevention system according to an embodiment of the present invention may further include a fan (900). The fan 900 serves to allow the heating medium heated through the heat generator 400 to be more easily introduced (circulated) into the first heating unit 100 and the second heating unit 200. do.

That is, as the fan 900 controls the driving of the pump 750 in the control unit 850, the heating medium is connected to the first heating unit 100 and the second heating unit through the heat generating unit 400. It serves as an assistant to the process that flows into the process.

While the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

1 is a view showing an arm roll truck to which the sewage pipe and sewage tank freezing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention can be applied.

2 is a view showing a crimping open vehicle that can be applied to the sewage pipe and sewage tank freezing prevention system of the garbage cleaning vehicle according to an embodiment of the present invention.

3 is a view showing a compressed vehicle to which the sewage pipe and sewage tank freezing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention can be applied.

4 is a view illustrating a food collection vehicle to which a sewage pipe and a sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention can be applied.

5 is a schematic configuration diagram illustrating a sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

6 is a schematic configuration diagram of a heat generating unit and a heating unit for explaining a sewage pipe and a sewage tank freezing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

FIG. 7 is a schematic block diagram illustrating a sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle according to an embodiment of the present invention.

8 is a schematic configuration diagram of a heat generating unit and a heating unit for explaining a sewage pipe and a sewage tank freezing prevention system of a garbage cleaning vehicle according to another embodiment of the present invention.

9 is a schematic block diagram for explaining a sewage pipe and a sewage tank frost preventing system of a garbage cleaning vehicle according to another embodiment of the present invention.

Brief description of the main parts of the drawing

10: sewage tank 20: sewage pipe

30: sewage auxiliary tank 100: the first heating part

110, 210: heating wire 120, 220: heating tube

200: second heating unit 300: third heating unit

400: heat generating unit 450: heat loss prevention unit

500: switch 800, 550: temperature sensor

600, 850: control unit 650: first circulation pipe

700: second circulation pipe 750: pump

900: fan

Claims (7)

In the sewage tank for treating the sewage generated from the garbage that is loaded into the storage box of the cleaning vehicle, A first heating unit for heating the sewage tank to prevent sewage freezing in the sewage tank; A second heating unit for heating the sewage pipe so as to prevent sewage freezing in the sewage pipe connecting the loading box and the sewage tank; A third heating unit for heating the sewage auxiliary tank for storing sewage when the amount of sewage flowing into the sewage tank exceeds a reference value; A heat generator configured to generate heat transferred to the first heating unit, the second heating unit, and the third heating unit by using heat generated naturally from the exhaust box of the cleaning vehicle; A heat loss preventing unit formed to surround the outside to form a space between the heat generating unit and the heat generating unit to prevent the heat generated from the heat generating unit; An electronic switch controlling the heat generated by the heat generator to be transferred to the first heating unit, the second heating unit, and the third heating unit; Before the sewage of the sewage tank, the sewage pipe, and the sewage auxiliary tank occurs, the sewage freezing prevention system is operated in advance so as to prepare a preheating of the heat generating unit so as to prepare a temperature for detecting the temperature. A temperature sensor; And If the temperature transmitted from the temperature sensor is equal to or less than the set temperature value, the waste tank, the sewage pipe, and a waste cleaning including a control unit for controlling the electronic switch is considered to generate the sewage of sewage inside the sewage auxiliary tank System for sewage pipe and sewage tank freezing of vehicles. The method of claim 1, The first heating unit is formed on the lower surface, side surface, upper surface, or two or more surfaces of the sewage tank, The sewage pipe and sewage tank freezing prevention system of the garbage cleaning vehicle, characterized in that the second heating unit is formed to surround the sewage pipe. delete The method of claim 3, wherein the heat generating portion It is formed in the form of winding the exhaust box of the cleaning vehicle, A sewage pipe and sewage tank icing prevention system of a garbage cleaning vehicle, characterized by high thermal conductivity made of copper, aluminum, or aluminum alloy. delete delete delete

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