KR102226277B1 - Multi-purpose heat exchanger with multi-tube shape and water purification device having the same - Google Patents

Abstract

The multi-purpose heat exchanger having a multi-pipe shape according to the present invention comprises: a refrigerant gas conduit 20 that functions to liquefy to discharge heat or evaporate to absorb heat; And a liquid flow conduit 30 for heating or cooling a fluid flowing through the process of absorbing or discharging heat from the refrigerant gas conduit 20; including, the refrigerant gas conduit 20 and the liquid flow The conduit 30 has a form of multiple pipes separated by a partition wall on one pipe, and the multiple pipes in which the refrigerant gas pipe 20 and the liquid flow pipe 30 are formed are arranged in two or more rows through bending. The heat-conducting plate 40 in the shape of a corrugated pipe is arranged in a zigzag shape between the plurality of straight pipes to increase heat exchange efficiency.

Description

Multi-purpose heat exchanger with multi-tube shape and water purification device having the same}

The present invention relates to a multi-purpose heat exchanger having a multi-pipe shape, and specifically, a refrigerant gas pipe that functions to absorb heat by liquefying or evaporating heat, and a process of absorbing or discharging heat from the refrigerant gas pipe. This is a multi-purpose heat exchanger having a multi-pipe type in which a liquid flow pipe for heating or cooling a flowing fluid is arranged in the same flow direction to increase heat exchange efficiency.

A heat exchanger is a device that transfers temperature from a high-temperature fluid to a low-temperature fluid through a heat transfer wall, and is generally used in a heater, a cooler, an evaporator, and a condenser. The most commonly used type of heat exchanger is a metal tube as a heat transfer wall, and includes a main type, a double tube type, a pinned multi-tube type, and a bushing type.

As described above, the heat exchanger is a device that absorbs heat from one side and releases heat to the other between two environments having a temperature difference. The heat exchange system is composed of an evaporator that absorbs heat from the surroundings, a compressor that compresses a heat exchange medium, a condenser that discharges heat to the surroundings, and an expansion valve that expands the heat exchange medium. In the above, an evaporator or a condenser may be a representative heat exchanger.

The gaseous refrigerant flowing from the evaporator to the compressor is compressed at high temperature and high pressure in the compressor, and the heat of liquefaction is released to the surroundings while the compressed gaseous refrigerant passes through the condenser and is liquefied, and the liquefied refrigerant opens the expansion valve again. By passing through, it becomes a vaporized state of low temperature and low pressure, and then flows back into the evaporator and vaporizes to form a cycle.

As described above, the conventional condenser is air-cooled, that is, the refrigerant flowing through the condenser is formed to exchange heat with external air, and the receiver dryer performs only gas-liquid separation. That is, in the case of a conventional condenser, not only condensation but also supercooling is performed by air cooling. However, with the condensation and subcooling effect obtained by heat exchange with external air, the current trend of vehicle parts becoming more and more compact, while maintaining the conventional air-cooled condenser shape, improves efficiency by modifying only the design conditions. The situation has already reached its limit.

Meanwhile, in the process of cooling the compressed gaseous refrigerant, in the case of a conventional automobile air conditioner, heat exchange is performed using a condenser placed at the forefront of the engine room, and in the case of an air conditioner, high temperature and high pressure Heat exchange with the refrigerant in the state is performed.

As described above, in the case of a condenser used for heat exchange in automobiles and air conditioners, there is a limit to achieving sufficient and efficient heat exchange by only the temperature of the outside air in the process of liquefying the refrigerant in a high-temperature, high-pressure state.

The present invention is intended to solve the above conventional problems, and the refrigerant gas pipe functioning to absorb heat by liquefying or evaporating heat, and the fluid flowing through the process of absorbing or discharging heat from the refrigerant gas pipe. It is an object of the present invention to provide a multi-purpose heat exchanger having a multi-pipe shape in which a liquid flow pipe for heating or cooling a liquid is arranged in the same flow direction to increase heat exchange efficiency.

A multi-purpose heat exchanger having a multi-pipe shape according to an aspect of the present invention for achieving the above object comprises: a refrigerant gas pipe 20 that functions to liquefy and discharge heat or evaporate to absorb heat; And a liquid flow conduit 30 for heating or cooling a fluid flowing through the process of absorbing or discharging heat from the refrigerant gas conduit 20, and the refrigerant gas. The conduit 20 and the liquid flow conduit 30 have the form of a multi-pipe separated by a partition on one pipe, and the multi-pipe in which the refrigerant gas conduit 20 and the liquid flow conduit 30 are formed is bent through 2 Linear conduits are arranged more than heat, and a corrugated heat conduction plate 40 is arranged in a zigzag shape between the plurality of linear conduits to increase heat exchange efficiency.

The heat conduction plate 40 has a multi-pipe shape, which is a method of connecting the refrigerant gas pipes 20 to each other or the liquid flow pipes 30 to each other.

A water purifying apparatus having an air conditioning function according to an aspect of the present invention for achieving the above object includes a compressor 100 for compressing a gaseous refrigerant at high temperature and high pressure, and high heat contained in the refrigerant passed through the compressor. A condenser 200 that raises the temperature of purified water stored in the hot water tank through the process of dissipating to, an expansion valve that phase-changes the high-temperature and high-pressure refrigerant condensed in the condenser to a low-temperature low-pressure, and a low-temperature low-pressure through the expansion valve. An evaporator for cooling purified water stored in a cold water container while passing a refrigerant is applied to the condenser and the evaporator.

The water purification device generates hot air by supplying heat to the incoming air using high-temperature heat radiated through the condenser, and generates cold air by obtaining heat from the air introduced through the evaporator. The outdoor unit of the existing air conditioner can be replaced by cooling and heating the introduced air using the condenser and the evaporator while the function of supplying cold and hot water of the water purifying device is limited.

The water purifying device further includes a solenoid valve disposed between the expansion valve and the evaporator, wherein the evaporator comprises a first evaporator 400 for directly cooling the air firstly introduced onto the water purifying device, and the And a second evaporation unit 500 into which air in a state in which the hot air passing through the condenser and the cold air passing through the first evaporation unit are mixed is introduced, and selective flow of the air passing through the condenser and the expansion valve through the solenoid valve. Make it possible.

The second evaporation unit 500 has a tube shape stacked in multiple stages.

The present invention as described above performs heating or cooling of a fluid flowing through a refrigerant gas pipe functioning to liquefy to discharge heat or to evaporate to absorb heat, and a process of absorbing or discharging heat from the refrigerant gas pipe. It is characterized in that it has a multi-pipe shape that increases heat exchange efficiency by arranging the liquid flow pipes in the same flow direction.

In addition, the present invention minimizes the installation space by eliminating the need for an outdoor unit that performs a condenser function that is essentially applied to an existing air conditioner in the process of using the condenser.

1 shows an overall concept of a multi-purpose heat exchanger having a multi-pipe type according to an embodiment of the present invention.
2 is an overall structural diagram of a water purification device as an embodiment employing a multipurpose heat exchanger according to the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only the present embodiments make the disclosure of the present invention complete, and the scope of the invention to those of ordinary skill in the art. It is provided to be fully informed. In the drawings, the same reference numerals refer to the same elements.

In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible, even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

The multi-purpose heat exchanger having a multi-pipe type according to the present invention is used in a heat exchange system using refrigerant gas, and uses a high-temperature and high-pressure gas heat source in a state connected to the outlet side of the compressor, which is an introduction part of a heat exchange system including a cooling system. It is used to heat the supplied water, oil, and air.

Meanwhile, the multi-purpose heat exchanger having a multi-pipe shape according to the present invention can be rapidly cooled while being connected to the evaporator, which is the middle part of the cooling system, so that the supplied water, oil, cold water for air, cold oil, cold air, etc. can be used. .

As described above, when applied to a basic heat exchange system, it can be used in a variety of heat exchange systems that control cold and hot water for a supplied fluid, including hot and cold water, hot and cold water, and hot and cold air.

The multi-purpose heat exchanger 10 having a multi-pipe shape performs liquefaction or evaporation to release or absorb heat, and a process of absorbing or releasing heat from the refrigerant gas pipe 20 and the refrigerant gas pipe 20 The liquid flow conduit 30 for heating or cooling the fluid flowing through is disposed in the same flow direction.

The refrigerant gas conduit 20 allows the high-temperature and high-pressure gas to pass through the compressor to maintain the state of the high-temperature gas conduit or the low-temperature and low-pressure gas that has passed through the expansion valve to maintain the low-temperature gas conduit state. .

The liquid flow pipe 30 has a structure that is closely arranged with each other to enable direct heat exchange with the refrigerant gas pipe 20, and keeps flowing water or oil warm by receiving heat from the high temperature refrigerant gas pipe 20 Or to keep the flowing water or oil cool through the process of discharging heat to the low-temperature refrigerant gas pipe 20.

The refrigerant gas conduit 20 and the liquid flow conduit 30 are formed of a plurality of conduits separated by a partition wall functioning as a heat transfer wall on one tube, thereby enabling effective heat exchange. As a specific example, there may be a method of forming a plurality of pipe passages through partition walls disposed in a manner that crosses opposite side walls on a passage having a rectangular cross section.

In the multi-pipe in which the refrigerant gas conduit 20 and the liquid flow conduit 30 are formed, linear conduits are arranged in two or more rows along the vertical direction. Bending is made. In other words, if the multiple pipes are configured as a single line without interruption, but a plurality of rows are formed along the vertical direction, a predetermined gap must occur between the plurality of straight pipes. A corrugated pipe-shaped heat conduction plate 40 is formed between adjacent straight pipes on the pipe.

When the fluids flowing through the refrigerant gas pipe 20 and the liquid flow pipe 30 respectively form a plurality of straight pipes through bending due to space constraints, the heat conduction plate 40 is adjacent to the refrigerant gas pipe 20 ) Or adjacent liquid flow passages 30 are arranged in a zigzag manner so as to thermally connect the corrugated plates.

In other words, it is as follows when a multi-purpose heat exchanger having a multi-pipe type functions as a condenser in a heat exchange system.

In the process of converting the high-temperature and high-pressure gaseous gas supplied through the refrigerant gas conduit 20 through the compressor into a low-temperature, low-pressure liquid gas, the liquid at room temperature is passed through the liquid flow conduit 30 to pass the high-temperature and high-pressure gas. The effect of absorbing heat from the gaseous gas can be obtained. Through this, by reducing the load on the condenser due to hot air in the summer, it is possible to obtain a stable cooling system effect.

Next, an embodiment in which the multi-purpose heat exchanger 10 having the multi-pipe shape is applied to a water purifying apparatus having an air conditioning function will be described.

A water purifying device with an air conditioning function basically performs cooling and heating while purifying the incoming water to selectively supply hot and cold water. It is characterized in that the air conditioning function is performed in a simple manner through heating and cooling.

A water purifying apparatus having an air conditioning function according to the present invention will be described with reference to FIG. 2.

A water purifying device having an air conditioning function increases the temperature of purified water stored in a hot water tank through a compressor 100 that compresses a gaseous refrigerant to a high temperature and high pressure, and dissipates high heat contained in the refrigerant passing through the compressor to the outside. The condenser 200 to perform a phase change of the high-temperature and high-pressure refrigerant condensed in the condenser to a low-temperature low-pressure, and an evaporator for cooling purified water stored in the cold water tank while passing the low-temperature low-pressure refrigerant through the expansion valve ( 400,500).

The condenser 200 is disposed on one side of the compressor 100 disposed in the lower center of the water purification device, and the evaporators 400 and 500 are disposed on the other side. An expansion valve is appropriately disposed between the condenser and the evaporator.

The above-described multipurpose heat exchanger 10 is applied on the condenser 200 and the evaporators 400,500.

The water purification device generates hot air by supplying heat to the incoming air using high-temperature heat radiated through the condenser 200, and generates cold air by acquiring heat from the air introduced through the evaporators 400,500. .

The condenser 200 heats water or oil by using heat generated at about 40 to 100°C in the process of condensing the high temperature/high pressure gaseous gas sent out from the compressor 100 into the high temperature/high pressure liquid gas. Temperature can be supplied.

On the other hand, the evaporators 400 and 500 are in charge of performing rapid cooling through the process of evaporating the liquefied gas. Specifically, the cool temperature of water or oil is reduced by heat exchange using cold air of about -10 to -29°C. Can supply.

On the other hand, in the case of cooling the incoming air using cold air that is rapidly cooled during the cooling process of the liquid flow using the evaporators 400 and 500, it is possible to provide a dehumidification effect and an air conditioner function using cold air.

In addition, an air purification function using an air purification filter is also possible.

The air purification filter adopts HEPA filter. The HEPA filter is a sheet-shaped filter made of glass fibers, etc., with a fiber spacing of 0.5 to 2.0 micrometers, which is very tightly structured. As the air passes through the HEPA filter, fine particles are trapped in the air on the surface and between the fibers, and filtering proceeds through actions such as diffusion, blocking, inertial collision, and electrostatic induction.

The condenser 200 includes a condensation pipe formed in a manner that surrounds a hot water tank in which purified water is stored, and an air heating chamber for heating the introduced air is formed on the outer side of the condensation pipe. The air heating chamber may have a structure in which an external air inlet and a heated air outlet are formed on one side and the other side thereof, and a hot water tank wrapped with a condensation pipe is disposed therein. An air purification filter 240 and a heated air inlet fan 250 may be disposed at the external air inlet and the heated air outlet. Reference numeral 260 denotes a hot water supply unit. Reference numeral 270 denotes a drip tray.

In one embodiment, the configuration of the multipurpose heat exchanger 10 may be applied to the condensation pipe.

The evaporator (400,500) is a first evaporation unit 400 for performing direct cooling of the air firstly introduced into the water purifying unit, the hot air passing through the condenser 200 and the cold air passing through the first evaporation unit 400 It includes a second evaporation unit 500 into which the air in the mixed state is introduced.

The second evaporation unit 500 is disposed on the first evaporation unit 400 on the water purification device.

The first evaporation unit 400 includes a cooling conduit formed in a manner that surrounds a cold water container in which purified water is stored, and an air cooling chamber for cooling the introduced air is formed on the outer side of the cooling conduit. The air cooling chamber may have a structure in which an external air inlet and a cooling air outlet are formed on one side and the other side thereof, and a cold water container wrapped with a cooling pipe is disposed therein. An air purification filter 440 and a cooling air inlet fan 450 may be disposed at the external air inlet and the cooling air outlet. Reference numeral 460 denotes a cold water supply unit.

Meanwhile, the second evaporation unit 500 also includes a plurality of cooling pipes 510 formed in a manner that surrounds a cold water container in which purified water is stored, and air cooling for cooling of the introduced air on the outer side of the cooling pipe. The chamber is formed. The air cooling chamber may have a structure in which an air inlet port and a cooling air outlet port are formed respectively at the lower side and the upper side thereof. A mixed air inlet fan 540 and a cooling air discharge fan 550 may be disposed at the air inlet and the cooling air outlet.

In one embodiment, the configuration of the multipurpose heat exchanger 10 may be applied to the cooling conduit 510.

The second evaporation unit 500 includes a cooling conduit selection valve connected to the cooling conduit 510. By selectively opening and closing the cooling conduit selection valve, some of the plurality of cooling conduit 510 may flow.

The water purifying apparatus according to the present invention may further include a solenoid valve disposed between the expansion valve and the evaporators 400 and 500. The solenoid valve selectively flows the refrigerant gas that has passed through the expansion valve to the first evaporation unit 400 or the second evaporation unit 500.

The first evaporation unit 400 is formed at the lower and upper ends of the air inlet and discharge portions, respectively.

The hot air and cold air discharged from the condenser 200 and the first evaporator 400 disposed on both sides of the lower part of the water purification device, respectively, flows into the air disposed on the lower end of the second evaporator 500 through the operation of the solenoid valve. The cooling process is carried out in a state that is forcibly introduced through the fan.

In the above process, through the first guide 503 formed between the condenser 200 and the first evaporation unit 400, the hot air and the cold air are guided to the second evaporation unit 500 at the upper portion of the second evaporation unit 500. On both sides of the lower end, second guides 501 are formed for stable guidance of the flowing fluid.

On the other hand, the second evaporation unit 500 has a structure having a tube shape in which cooling channels are stacked in multiple stages.

By installing a baffle serving as a blocking film on the multi-stage tube forming the second evaporation unit 500, some of the multi-stages may be selectively used.

In the present invention, the cold/hot water function is normally performed through the condenser and evaporator structure, but the hot/cold air supply function to the introduced air can be performed while the purified water supply function is stopped.

The condensing pipe 230 and the cooling pipe 430, which are fluid flow pipes coupled to communicate with the condenser 200 and the evaporator 400, are in the form of multiple pipes formed in a state in which a plurality of pipes are adjacent to each other. That is, the refrigerant gas pipe 20 and the liquid flow pipe 30 are formed adjacent to each other.

Specifically, the condensation conduit 230 and the cooling conduit 430 include a refrigerant gas conduit 20 through which refrigerant gas flows and a liquid flow conduit 30 through which inlet air or water flows. 30) A partition wall is made of a material with a high heat transfer coefficient to enable effective heat transfer on the bed. Meanwhile, a plurality of heat transfer fins are formed on the partition wall to increase heat transfer efficiency. For example, when a high-temperature refrigerant gas flows through the refrigerant gas pipe 20, it serves to effectively heat water or air flowing through the liquid flow pipe 30 at the same time.

As described above, the present invention enables selective flow of air through the condenser and the expansion valve through the solenoid valve in preparation for supercooling through a water purification device.

In order to prevent overcooling of the air that has passed through only the first evaporation unit 400, cooling through the second evaporation unit 500 is performed on the temperature-controlled air through mixing with the hot air passing through the condenser 200.

As described above, the present invention performs heating or cooling of a fluid flowing through a refrigerant gas pipeline that functions to absorb heat by liquefying or evaporating heat, and a process of absorbing or discharging heat from the refrigerant gas pipeline. The liquid flow pipe 30 is arranged in the same flow direction to increase heat exchange efficiency.

In addition, the present invention performs cooling and heating of the introduced air by using a condenser and evaporator in charge of the cold water production function while the function of supplying cold and hot water to the water purifier is limited. Can supply.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10: multipurpose heat exchanger
20: refrigerant gas pipeline
30: liquid flow pipe
40: heat conduction plate
100: compressor
200: condenser
400,500: evaporator

Claims (5)

delete delete A compressor 100 for compressing a gaseous refrigerant at high temperature and high pressure, and a condenser 200 for increasing the temperature of purified water stored in a hot water tank through a process of dissipating high heat contained in the refrigerant passing through the compressor to the outside, and the A water purifying device having an air conditioning function consisting of an expansion valve that phase-changes the high-temperature and high-pressure refrigerant condensed in the condenser to low-temperature and low-pressure, and an evaporator for cooling the purified water stored in the cold water tank by passing the low-temperature low-pressure refrigerant through the expansion valve In,
The water purification device generates hot air by supplying heat to the incoming air using high-temperature heat radiated through the condenser, and generates cold air by obtaining heat from the air introduced through the evaporator,
The outdoor unit of the existing air conditioner can be replaced by cooling and heating the introduced air using the condenser and evaporator while the function of supplying cold and hot water of the water purifying device is limited
The water purification device further includes a solenoid valve disposed between the expansion valve and the evaporator,
The evaporator includes a first evaporation unit 400 for directly cooling the air flowing into the water purifying device, and air in a state in which the hot air passing through the condenser and the cold air passing through the first evaporation unit are mixed. Including a second evaporation unit 500,
Allows the selective flow of air through the condenser and the expansion valve through the solenoid valve,
The condenser and evaporator are;
A refrigerant gas conduit 20 that is liquefied to discharge heat or evaporate to absorb heat; And
Including; a liquid flow conduit 30 for heating or cooling a fluid flowing through the process of absorbing or discharging heat from the refrigerant gas conduit 20,
The refrigerant gas conduit 20 and the liquid flow conduit 30 have a multi-pipe shape separated by a partition wall on one pipe,
The multiple pipes in which the refrigerant gas pipe 20 and the liquid flow pipe 30 are formed are arranged in two or more rows of straight pipes through bending,
A water purifying apparatus having an air conditioning function, including multiple pipes, in which a corrugated pipe-shaped heat conduction plate 40 is arranged in a zigzag shape between the plurality of straight pipes to increase heat exchange efficiency.
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