KR100904291B1 - Air conditioning system that use underground water and rainwater - Google Patents

Abstract

A cooling and heating system using subsurface water and rainwater is provided to perform the cooling-and-heating of a building by connecting a heat pump system to a water collecting tub and store the subsurface water and rainwater in the water collecting tub. A cooling and heating system using subsurface water and rainwater comprise a heat pump for cooling-and-heating(10), a heat exchanger(20) and a water collecting tank(30). The heat pump for cooling-and-heating performs the heat storing operation or the cold storing operation. The cooling or heating circulating water is supplied to a cooling-and-heating unit. The heat exchanger heat exchanges a circulation medium. The water collecting tub comprises a plurality of water collecting spaces. The water collecting spaces collects the subsurface water and rainwater. The water collecting tub supplies the heat source of the subsurface water and rainwater to the heat exchanger.

Description

Air conditioning system that use underground water and rainwater

The present invention is to collect the ground water and rainwater and use it as a heat source to efficiently utilize the water and cooling system and ground water and rainwater using the groundwater and rainwater to make the heating and cooling of the building is made to effectively utilize the water resources.

Generally, rainwater is around 20 ° C in summer, 10 ° C in spring or autumn, maintains 1 ~ 3 ° C in winter, and the temperature of groundwater is relatively constant, so It is low, and in winter it is characterized by maintaining an average temperature of about 13 ℃ higher than the temperature.

However, in the related art, the technology for utilizing such groundwater and rainwater was extremely limited, and the present invention goes beyond simply utilizing the groundwater and rainwater as simply water resources, and uses water resources as a heat source for cooling and heating. It's in the ship.

In addition, by installing a heat storage tank on a pad layer when constructing a building, a technology that efficiently recovers, accumulates or accumulates waste heat emitted from wastewater from the building as well as waste water and accumulates or accumulates it, and efficiently utilizes storage heat. will be.

That is, the present invention is connected to the heat pump system to the water collection tank in a state that the ground water or rainwater is efficiently collected in the water collection tank, and utilizes as a heavy water after performing cooling and heating for the building, and the heat discharged from the building to the water collection tank efficiently The purpose is to provide an eco-friendly cooling and heating system equipped with waste heat recovery system for storage and utilization, as well as to spread the technology to protect water resources by effectively utilizing rainwater and groundwater.

The air-conditioning system using the groundwater and rainwater of the present invention for achieving the above object is connected to a cooling / heating unit including an air conditioner in a circulation line, and the heating / cooling operation is performed to accumulate or accumulate cooling to supply cooling or heating circulation water to the cooling / heating unit. Dragon heat pumps;

A heat exchanger connected to a circulation line through which the heat pump and the circulation medium flow to form a closed loop, and heat-exchanging the circulation medium so that heat storage or heat storage operation of the heat pump is possible; And

A collecting tank installed in the building to form a plurality of collecting spaces for collecting rainwater and groundwater, and supplying a heat source of rainwater and groundwater to the heat exchanger for heat exchange of the circulation medium by the heat exchanger; It includes.

In addition, between the air conditioning unit and the heat pump, the storage tank for storing the circulation water for cooling or heating to be supplied to the air conditioning unit; It characterized in that the additional installation.

In addition, a waste heat pump is installed in the circulation line connecting the water collecting tank and the heat exchanger, and a circulation pump is installed in the circulation line connecting the heat exchanger and the heat pump, and a circulation line or a storage tank and an air conditioning unit connecting the heat pump and the heating / heating unit. The heat dissipation pump is installed in the circulation line connecting the unit.

In addition, the control valve is installed on the input side of the reservoir according to the seasonal operation mode according to the cooling or heating of the air conditioning unit.

In addition, an induction pipe is formed at the edge of the sump to guide the flow of groundwater.

In addition, the groundwater collecting facility including a plurality of inflow apparatus is formed on the outside of the water collection tank so that the soil is not introduced when the groundwater flows to the induction pipe.

In addition, the plurality of catchment spaces are divided into partitions, and the first and second discharge holes are formed in the lower and upper sides of the partitions to guide the flow of rainwater and groundwater to sequentially fill the rainwater and groundwater in the plurality of catchment spaces. do.

In addition, the water collection tank is characterized in that the rainwater pipe is installed on the building, the rainwater pipe installed on the ground is connected.

In addition, the rain pipe is provided with an automatic drain line, a filter unit and a check valve.

In addition, an overflow tank is formed at one end of the sump tank, and a drain pipe having a drain pump is connected to the overflow tank.

In addition, the water treatment pipe is branched to the water treatment pipe formed with a pressurized pump, the water treatment pipe is characterized in that the water treatment device for supplying purified water to a specific place (for example, toilet) in the building.

In addition, the groundwater, characterized in that the groundwater derivative is formed to form a drainage plate and a water inlet to guide the filter layer and groundwater to the collection tank so that the groundwater and rainwater flows to the induction pipe from the outside of the collection tank to guide the earth and sand flow Air conditioning system using rainwater.

As described above, the present invention is configured to connect the heat pump system to the sump in a state in which groundwater or rainwater is efficiently collected in the sump, thereby reducing the consumption of heating oil according to the heating and cooling of the building, and preventing air pollution from the utilization of environmentally friendly natural energy. The cooling tower exposed to the outside of the building while preventing rainwater and groundwater from sinking and utilizing rainwater and groundwater as firefighting water in case of emergency, and the water collection tank is functioning as a heat storage tank that stores not only cooling water of the cooling equipment but also various waste heat. It can replace the facility, which can achieve economic efficiency as well as solve the aesthetic problem caused by the cooling tower facility.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a schematic configuration diagram of a cooling and heating system using groundwater and rainwater as a first embodiment of the present invention, FIG. 2 is a perspective view showing a structure of a water collecting tank as a first embodiment of the present invention, and FIG. 4 is a schematic plan view showing the structure of a water collecting tank according to the first embodiment of the present invention, FIG. 4 is a side schematic view showing the structure of a water collecting device and a collecting tank of groundwater as the first embodiment of the present invention, and FIG. 5 is a first embodiment of the present invention. 6 is a flowchart illustrating the installation of the sump and the rainwater inlet pipe in the lowest floor (Pad floor) of the building according to the first embodiment of the present invention. .

1 to 6, the air conditioning system using groundwater and rainwater according to the first embodiment of the present invention is connected to the air conditioning unit 100 including an air conditioner, heat pump 10, heat exchanger ( 20) and the sump 30.

The heat pump 10 has an evaporator and a condenser so that heat storage or cooling operation is performed according to a seasonal operation mode of a controller (not shown) to supply circulating water for cooling or heating to the air conditioning unit 100. The cooling and heating unit 100 is connected to the circulation line (L1) (L2) of supply and return.

Here, the circulation line (L1) is formed of a heat dissipation pump 200 for quickly supplying the circulating water to be stored or stored by the heat pump 10 to the cooling and heating unit 100, the heat dissipation pump 200 ) Is controlled by a controller (not shown) and the pumping operation is performed.

The heat exchanger 20 is a circulation line (L3) (L4) of the supply and return to form a closed loop while the circulation medium (for example, hot or cold water) flows to enable the heat storage or heat storage operation of the heat pump (10) It is connected to the heat pump 10, the circulation medium to heat exchange according to the seasonal operation mode.

Here, the circulation line (L3) is formed with a circulation pump 300 for quickly supplying the circulating medium heat exchanged by the heat exchanger 20 to the heat pump 10, the circulation pump 300 The pumping operation is performed under the control of a controller (not shown).

The water collecting tank 30 provides a heat source of rainwater and groundwater so that heat exchange of the circulation medium is possible by the heat exchanger 20, and the supply and return of the heat exchanger 20 and the heat exchanger 20 are installed in the basement of the building. It is connected through the circulation line (L5) (L6), a plurality of collecting space portion 32 is formed by the partition wall 31 for efficient supply of the sewage and ground water.

At this time, the water collecting tank 30 is responsible for the heat storage tank to store the various waste heat as well as the cooling water of the cooling equipment to replace the cooling tower facility exposed to the outside of the building.

Here, the waste heat pump 400 is installed in the circulation line L5 of the supply to efficiently supply the sewage and ground water to the heat exchanger 20, and the waste heat pump 400 controls the control unit, not shown. Receiving pumping operation.

At this time, an induction pipe 33 is formed at the edge of the sump 30 to efficiently collect the rainwater and the groundwater, and the ground water and the rain flow in the induction pipe 33 at the outside of the sump 30. A plurality of drainage plates 38a and a filter layer 38 are installed so that the soil is not introduced when the guide is introduced, and a water intake 33a for introducing groundwater into the induction pipe 33 is formed.

That is, the filter layer 38 and the intake port 33a are groundwater derivatives, so that the earth and sand do not flow when the groundwater and rainwater flow in the induction pipe 33 from the outside of the collection tank.

In addition, the first discharge hole 31a is formed in each of the partition walls 31 in the lower side of each of the collecting spaces 32 to induce a flow in which rainwater and groundwater are not stagnant. The second discharge hole 31b is formed above the other partition wall facing each other.

In addition, the water collecting tank 30 is connected to the rain pipe (41) installed in the building and its surroundings so that the water collecting space portion 32 of the water collecting tank 30 is made, wherein the rain pipe (41) ), The automatic drain line 41a, the filter part 41b, and the automatic valve 41c which cuts off when the water tank is full are installed.

That is, the filter part 41b filters foreign matters contained in the rainwater, and the automatic valve 41c is automatically opened and closed under the control of a controller not shown, which is formed in the water collecting tank 30. It is for blocking the inflow of rainwater when the water level of the plurality of catchment space portion 32 is the full water level, the automatic drain line 41a is the rainwater pipe when the inflow of rainwater is blocked by the automatic valve 41c ( 41) rainwater flowing into the sewage pipe is discharged.

At this time, the water level of the water collecting space 32 is determined according to the quantity of rainwater or groundwater flowing into the overflow tank 34 having a water level detection function, the determination information is sent to the controller not shown, The overflow tank 34 is connected to the drain pipe 35 in which the drain pump 500 is installed.

Here, the overflow tank 34 is installed in a plurality of catchment spaces 32, one side of the catchment space 32 is a position where the flow is guided and the rainwater and groundwater finally collect.

In addition, the water treatment pipe 36 with the pressurized pump 600 is branched to the drain pipe 35, and the purified water pipe 36 is supplied with purified water to a specific place (eg, a toilet) in the building. The water treatment system 37 for treating the rainwater and groundwater drained from the water collecting tank 30 so as to be installed is configured.

Referring to Figures 1 to 6 attached to the operation of the first embodiment of the present invention configured as described above are as follows.

First, when rainwater flows into the water collecting tank 30 installed in the basement of the building through the rainwater pipe 41, the rainwater is filtered out of the water collecting tank 30 in the state in which foreign matter is filtered through the filtering of the filter portion 41b. Inflowing into the induction pipe 33, the groundwater in the ground immediately flows into the induction pipe 33, and is also introduced into one collecting space 32 provided at the tip of the water collecting tank (30).

Here, the groundwater inflow is blocked in the groundwater filter layer 38 formed on the outside of the water collecting tank 30 and the groundwater passing through the filter layer is guided to the water collecting tank 30 through the water inlet 33a through the drain plate 38a.

At this time, the rainwater and groundwater flowing into the one collecting space 32 is the next collecting space through the second discharge hole (31b) provided on the upper side of the partition wall 31, as shown in Figs. Rainwater and groundwater flowing into the 32 and flowing into the next catchment space 32 are again collected through the first discharge hole 31a provided below the partition 31. While showing the flow flowing into the water, and finally the rainwater and ground water is filled in the plurality of catchment space portion (32).

In addition, an overflow tank 34 is installed in the final collecting space 32, and a drain pipe 35 in which a drain pump 500 is installed is connected to the overflow tank 34.

When the rainwater and groundwater in the final catchment space portion 32 overflows to the outside by the full water level, the overflowing rainwater and groundwater is guided to the drain pipe 35 through the overflow tank 34.

At this time, the overflow tank 34 is provided with a water level detection function, by the water level detection function, when the water level of the overflow tank 34 is a full water level is received by the command of the control unit by the water level sensor not shown drainage The pump 500 operates and is drained through the drain pipe 35.

At this time, the control unit is not shown by closing the automatic valve (41c) installed in the rain pipe (41), rainwater flowing through the rain pipe 41 is blocked inflow into the sump (30), automatic drain line Automatic drainage to sewage is carried out via 41a.

In addition, when rainwater and ground water are filled in the plurality of catchment spaces 32 as described above, the heat exchanger 20 is supplied to the catchment space 32 through circulation lines L5 and L6 of supply and return. The waste heat pump 400 is connected to the circulation line L5 of the supply bar, and the waste heat pump 400 performs a pumping operation under the control of a controller (not shown). Sewage and groundwater filled in are pumped and circulated to the heat exchanger 20.

At this time, the heat exchanger 20 is connected to the heat pump 10 through another supply and return circulation line (L3) (L4), the seasonal supply line in the supply and return circulation line (L3) (L4) Hot and cold water circulating medium is circulated according to the operation mode,

When the circulating medium passes through the heat exchanger 20 from the pumping operation of the circulating pump 300 under the control of the controller, the circulating medium is heat exchanged from a heat source of rainwater and groundwater flowing through the heat exchanger 20 and then evaporator. And a heat pump 10 including a condenser.

Then, the evaporator and the condenser of the heat pump 10 are selectively operated in the seasonal operation mode under the control of the controller, and the heat storage or the cooling operation is performed from the circulating medium of the hot or cold water in which the heat exchange is performed. Supply and return circulation lines (L1) (L2) connecting the heat pump (10) and the cooling and heating unit (100) are circulated with the accumulation of heat storage or heat storage, the cooling and heating unit (100) is heating operation in winter In summer, cooling operation is possible.

That is, when the air conditioning unit 100 performs the heating operation, the circulating medium passing through the heat exchanger 20 is heated while absorbing the heat source of rainwater and groundwater, and the elevated circulating medium is controlled by a controller not shown. Heat is transferred from the pumping operation of the circulation pump 300 to the heat pump 10 along the circulation line L3.

Then, the evaporator in the heat pump 10 vaporizes the low temperature liquid refrigerant to low temperature gas and transfers it to the compressor, whereby the compressor generates high pressure gas at high temperature. Thus, the condenser in the heat pump 10 is a heating and cooling unit. By converting the circulating water flowing into the heat pump 10 along the circulation line (L2) in the high temperature water at 100 and then recycling it to the cooling and heating unit 100 through another circulation line (L1), Heating by the air conditioning unit 100 is enabled.

In addition, when the air conditioning unit 100 performs the cooling operation in summer, the temperature of the circulating water is lowered to a low temperature by performing a cooling cycle leading to compression, condensation, expansion, and evaporation. From the circulating water dropped to the cooling and heating unit 100 is to perform the cooling operation.

That is, when it is desired to provide summer cooling through the air-conditioning unit 100, the heat generated in the condenser of the heat pump 10 and the ground water as a heat source by heat exchange in the heat exchanger 20 to cool the cooling tower by a method Cooling effect is excellent.

Then, the circulation water returned to the heat pump 10 through the circulation line (L2) is another circulation line (L1) from the pumping operation of the heat dissipation pump 200 under the control of the control unit not shown in the enhanced state at a low temperature Bar is supplied to the cooling and heating unit 100, the cooling operation of the cooling and heating unit 100 is enabled.

In other words, when cooling, the condensation heat is used as a cooling facility (cooling tower function) by using the water of the sump, and when the heating is performed, the waste heat of the water in the sump is used as the evaporative heat.

The water treatment pipe 36 is provided with a pressurized pump 600 is branched to the drain pipe 35, and the water treatment device 37 is connected to the water treatment pipe 36. When the pressurized pump 600 is pumped to control rainwater and groundwater under the control of a control unit, not shown, the pumped rainwater and groundwater are purified by the water treatment device 37 and then placed in a specific place within the building ( Eg, toilet in a bathroom.

On the other hand, Figure 7 is a second embodiment of the present invention, which is a storage tank for storing the cooling or heating circulation water to be supplied to the cooling and heating unit 100, between the cooling and heating unit 100 and the heat pump ( 50) is an additional configuration.

That is, the storage tank 50 is connected to the cooling and heating unit 100 as a buffer tank through the circulation line (L1) (L2) of the supply and return, while the other supply and return circulation line (L7) (L8) It is connected to the heat pump 10 through the configuration, and the supply and return circulation lines (L7) (L8) under the control of the control unit not shown in accordance with the seasonal operation mode according to the cooling or heating of the air conditioning unit 100 Control valve (V1) and automatic opening and closing valve (V2) (V3) is installed and configured, and selectively open and close according to the choice of cooling and heating.

Here, the heat storage pump 700 in which the pumping operation is performed under the control of a controller (not shown) is installed in the return circulation line L8.

The second embodiment of the present invention, the opening and closing of the control valve (V1) and the automatic opening and closing valves (V2, V3) under the control of the control unit not shown in the heating or cooling operation of the air conditioning unit 100 While the control is being made, the storage tank 50 stores the circulation medium that is thermally stored or stored by the heat pump 10, and the heat storage or the cooled circulation medium is circulated from the pumping operation of the heat dissipation pump 200. While being supplied to the air conditioning unit 100 through, the heating or cooling operation of the air conditioning unit 100 is enabled.

At this time, the circulation medium returned from the cooling and heating unit 100 is stored in the tank 50 through the circulation line (L2).

Hereinafter, the present invention is not limited to the above specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes are within the scope of the claims.

1 is a schematic diagram of a cooling and heating system using groundwater and rainwater as a first embodiment of the present invention.

Figure 2 is a perspective view showing the structure of the sump tank in the first embodiment of the present invention.

3 is a plan view schematically showing the structure of a water collecting tank according to the first embodiment of the present invention.

Figure 4 is a schematic side view showing the structure of the groundwater intake device and the sump tank as a first embodiment of the present invention.

Figure 5 is a flow chart for the groundwater and rainwater in the space portion in the sump in the first embodiment of the present invention.

Figure 6 is a schematic diagram of the installation of the sump and rainwater inlet pipe in the lowest floor (Pad floor) of the building as a first embodiment of the present invention.

Figure 7 is a second embodiment of the present invention showing a heating and cooling system using ground water and sewage.

* Description of the symbols for the main parts of the drawings *

10; Heat pump 20; heat transmitter

30; Sink 33a: water intake

37: water treatment device 38: filter bed

38a: drain plate 41; Excellent piping

41a: Automatic drain line 41b: Filter part

50; Storage tank 100: air conditioning unit

200: heat dissipation pump 300: circulation pump

400: waste heat pump 500: drainage pump

600: pressurized pump 700: heat storage pump

V1: Control valve (3-Way) V2, V3: Automatic open / close valve

Claims (9)

A heat pump for cooling and heating connected to a cooling / heating unit including an air conditioner in a circulation line and configured to accumulate or accumulate heat to supply circulating water for cooling or heating to the cooling / heating unit; A heat exchanger connected to a circulation line through which the heat pump and the circulation medium flow to form a closed loop, and heat-exchanging the circulation medium so that heat storage or heat storage operation of the heat pump is possible; And a collecting tank installed in the building to form a plurality of collecting space portions separated by partitions to collect rainwater and groundwater, and supplying heat sources of rainwater and groundwater to the heat exchanger for heat exchange of the circulation medium by the heat exchanger. And including On the lower side and the upper side of the partition wall, first and second discharge holes are formed so that rainwater and groundwater are sequentially filled in a plurality of catchment spaces that guide the flow of rainwater and groundwater, and groundwater and rainwater are formed at the edges of the sump. To form a guide pipe to guide the flow of Underground water and rainwater, characterized in that the outer surface of the water collecting tank to form a filter layer as a groundwater derivative, a drainage plate and a water inlet to guide the groundwater to the water collecting tank so that the earth and sand is not introduced when the flow of groundwater and rainwater is guided to the induction pipe. Heating and cooling system. The method of claim 1, A storage tank for storing cooling or heating circulation water to be supplied to the air conditioning unit between the air conditioning unit and the heat pump; Air conditioning system using the groundwater and rainwater, characterized in that further configuration. The air-conditioning and heating system using groundwater and rainwater according to claim 2, wherein a control valve is installed at an input side of the reservoir according to a seasonal operation mode according to cooling or heating of the air conditioning unit. delete delete delete The method of claim 1, The drainage pipe is to be connected to the sump tank, but the drainage and cooling system using the groundwater and rainwater, characterized in that the automatic drain line and the filter unit and the automatic valve is installed in the rain pipe. According to claim 1, wherein the overflow tank is formed at one end of the sump, the drainage pipe is installed and connected to the drainage pump is installed in the overflow tank is characterized in that the groundwater and rainwater heating system using rainwater. The groundwater and rainwater according to claim 8, wherein the water treatment pipe is branched to the drain pipe, and the water treatment pipe is connected to the water treatment pipe to supply purified water to a specific place in the building. Heating and cooling system with heavy water supply system.

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