KR200275013Y1 - Heat exchanging system between waste-warm water and water - Google Patents
Heat exchanging system between waste-warm water and water Download PDFInfo
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Abstract
본 고안은 폐온수와 냉수사이에 열교환이 이루어지는 폐수열 회수 시스템의 열교환기 구조에 관한 것으로, 열교환기(110)(120)(130)의 하우징(113)(123)(133)은 일측상부에 폐온수입구(111a)(121a)(131a)와 냉수출구(112a)(122a)(132a)가 형성되고 타측하부에 폐온수출구(111b)(121b)(131b)와 냉수입구(112b)(122b)(132b)가 형성되고, 상기 열교환기(110)(120)(130)중 폐온수 집수정측 종단에 설치되는 열교환기(110)의 하우징(113) 외주에는 폐온수출구(111b)로 배출된 폐온수를 상승시켜 폐온수입구(131a)로 배출하는 폐온수 순환로(114)가 설치되고, 물탱크측 종단에 위치한 열교환기(120)의 하우징(123) 외주에는 냉수출구(122a)로 배출된 냉수를 냉수입구(132b)로 하강시켜 배출하는 냉수 순환로(125)가 설치되며, 상기 복수개의 열교환기(110)(120) 사이에 위치되는 열교환기(130)의 하우징(133) 외주에는 폐온수출구(131b)로 배출된 폐온수를 상기 폐온수입구(121a)로 상승시켜 배출하는 폐온수 순환로(134)와 냉수출구(132a)로 배출된 냉수를 냉수입구(112b)로 하강시켜 배출하는 냉수 순환로(135)가 설치됨으로써, 냉수는 하부에서 상부로 폐온수는 상부에서 하부로 흐르도록 하여 열교환율을 향상시킨 것이다.The present invention relates to a heat exchanger structure of a wastewater heat recovery system in which heat exchange is performed between waste water and cold water, and the housings 113, 123, 133 of the heat exchanger 110, 120, 130 are closed on one side. Hot water inlets 111a, 121a, 131a and cold water outlets 112a, 122a, 132a are formed and the waste hot water outlets 111b, 121b, 131b and cold water inlets 112b, 122b at the bottom of the other side. 132b is formed, and is discharged to the waste hot water outlet 111b on the outer circumference of the housing 113 of the heat exchanger 110 installed at the end of the waste water hot water collection side of the heat exchangers 110, 120, 130. The waste hot water circulation path 114 for elevating the waste hot water and discharging it to the waste hot water inlet 131a is installed, and is discharged to the cold water outlet 122a on the outer circumference of the housing 123 of the heat exchanger 120 located at the end of the water tank. Cold water circulation path 125 for lowering and discharging the cold water to the cold water inlet 132b is installed, the outer periphery of the housing 133 of the heat exchanger 130 located between the plurality of heat exchangers (110, 120) The waste hot water discharged through the waste hot water outlet 131b is discharged by lowering the cold water discharged through the waste hot water circulation path 134 and the cold water outlet 132a to the cold hot water inlet 112b. By installing the cold water circulation path 135, the cold water flows from the lower portion to the upper portion so that the waste water flows from the upper portion to the lower portion.
Description
본 고안은 폐수열 회수 시스템의 열교환기 구조에 관한 것으로, 보다 상세하게는 다단으로 연결되는 열교환기를 폐온수와 냉수가 통과하면서 폐온수는 항상 상부에서 하부로 순환되도록 하고 냉수는 항상 하부에서 상부로 순환되도록 순환로를 형성하되, 특히 상기 순환로는 열교환기의 하우징 외주면에 일측 전면이 접하도록 형성함으로써, 열교환 효율을 향상시킴과 아울러 설치가 간편하고, 설치공간을 줄일 수 있는 폐수열 회수 시스템의 열교환기 구조에 관한 것이다.The present invention relates to a heat exchanger structure of a wastewater heat recovery system, and more particularly, the waste water is always circulated from the top to the bottom while the hot and cold water passes through the heat exchanger connected in multiple stages, and the cold water is always circulated from the bottom to the top. The circulation path is formed so that the front surface is in contact with one side of the outer peripheral surface of the heat exchanger, thereby improving heat exchange efficiency and simplifying the installation and reducing the installation space of the heat exchanger structure of the wastewater heat recovery system. It is about.
일반적으로, 섬유공장이나 목욕탕 등 폐온수가 배출되는 곳에는 배출되는 폐온수를 냉수와 열교환시켜 온수를 공급하는 폐수열 회수 시스템을 구비하고 있으며, 이러한 종래의 폐수열 회수 시스템을 하기에서 도 1a내지 도 1b를 참조하여 살펴본다.In general, a waste water heat recovery system for supplying hot water by heat-exchanging the waste hot water discharged with cold water is provided in a place where waste hot water is discharged, such as a textile factory or a bathroom, and such a conventional waste water heat recovery system is described below with reference to FIGS. 1A to 1B. See for reference.
도 1a는 종래의 폐수열 회수 시스템을 나타내는 계통도이고, 도 1b는 종래의 폐수열 회수 시스템의 열교환기 구조를 나타내는 단면도로써, 하기에서는 설명을 명확하게 하기 위하여 열교환을 마쳐 차가워진 폐온수와 데워진 냉수도 모두 폐온수와 냉수로 칭한다.FIG. 1A is a schematic diagram illustrating a conventional wastewater heat recovery system, and FIG. 1B is a cross-sectional view illustrating a heat exchanger structure of a conventional wastewater heat recovery system. Hereinafter, for clarity, both the waste hot water and the warmed cold water that have been cooled have been heat exchanged. It is called waste hot water and cold water.
종래의 폐수열 회수 시스템은 보일러(10)에 의하여 데워져서 사업장이나 목욕탕(20)등에서 사용되고, 상기 사업장이나 목욕탕(20)에서 사용된 후 배출되는 폐온수는 폐온수 집수정(30)에서 모아져서 일부는 폐수처리장(40)으로 보내지고 일부는 냉수와 열교환을 하기 위하여 열교환기(50)(60)가 다단으로 연결된 폐수열 회수 시스템(70)으로 보내어지며, 상기 폐수열 회수 시스템(70)으로는 물탱크(80)로부터 냉수가 폐온수와 역방향으로 공급되어 순환됨으로써, 폐온수와 냉수가 열교환을 하게 되고, 상기 열교환에 의하여 데워진 냉수는 보일러(10)의 예열수로 사용되거나 바로 온수로 사용된다.The conventional wastewater heat recovery system is warmed by the boiler 10 and used in the workplace or the bath 20, and the waste hot water discharged after being used in the workplace or the bath 20 is collected in the wastewater collection basin 30. Is sent to the wastewater treatment plant (40), and part of which is sent to the wastewater heat recovery system (70) in which heat exchangers (50) and (60) are connected in multiple stages for heat exchange with cold water, and to the wastewater heat recovery system (70). Cold water is circulated from the 80 by being supplied in reverse direction with the waste hot water, whereby the waste hot water and cold water are heat-exchanged, and the cold water warmed by the heat exchange is used as preheating water of the boiler 10 or directly as hot water.
한편, 상기한 폐수열 회수 시스템(70)에서 열교환기(50)(60)는 일측상부에 폐온수입구(51a)와 냉수출구(52a)가 형성되고 타측하부에는 폐온수출구(51b)와 냉수입구(52b)가 형성된 제 1열교환기(50)와, 상기 제 1열교환기(50)의 폐온수출구(51b) 및 냉수입구(52b)와 대응되는 일측 하부에는 폐온수입구(61a)와 냉수출구(62a)가 형성되고 타측 상부에는 폐온수출구(61b)와 냉수입구(62b)가 형성된 제 2열교환기(60)가 순차적으로 교번설치됨으로써, 냉수와 폐온수가 다수의 열교환기들(50)(60)을 순차적으로 거치면서 열교환이 이루어지도록 하며, 그 설치 갯수는 제한이 없으며, 그 내부구조를 제 2열교환기(60)를 예로써 하기에서 도 1b를 참조하여 살펴본다.On the other hand, in the waste water heat recovery system 70, the heat exchanger 50, 60 is formed with a waste hot water inlet 51a and a cold water outlet 52a on one side and a waste hot water outlet 51b and a cold water inlet at the other side. The waste heat inlet 61a and the cold water outlet are formed at a lower portion of one side of the first heat exchanger 50 having the 52b formed thereon and corresponding to the waste hot water outlet 51b and the cold water inlet 52b of the first heat exchanger 50. The second heat exchanger 60 in which the 62a is formed and the waste hot water outlet 61b and the cold water inlet 62b are alternately installed on the other side, thereby allowing the cold water and the waste hot water to have a plurality of heat exchangers 50. The heat exchange is performed while sequentially passing through (60), and the number of installations thereof is not limited, and the internal structure thereof will be described with reference to FIG. 1B by using the second heat exchanger 60 as an example.
상기 제 2열교환기(60)는 플랜지(63a)(63b)에 의하여 상부헤드(64)와 열교환실(65)과 하부헤드(66)로 나누어지며, 상부헤드(64)에는 폐온수출구(61b)가 형성되고, 열교환실(65)의 상기 폐온수출구(61b) 하부에는 냉수입구(62b)가 형성되고 이와 대칭되는 하부에는 냉수출구(62a)가 형성되며 내부에는 상기 냉수입구(62b)로 유입된 냉수가 지그재그식으로 흘러서 냉수출구(62a)로 배출되도록 다수의 차단판(67)이 지그재그식으로 설치되어 있으며, 하부헤드(66)의 상기 냉수출구(62a) 하부에는 폐온수입구(61a)가 형성되며, 상기 하부헤드(66)와 상부헤드(64)는 열교환실(65)을 거쳐 설치되는 다수의 관로(68)로 연결되어 폐온수입구(61a)로 유입된 폐온수가 열교환실(65)을 거쳐 폐온수출구(61b)로 배출하도록 한 것으로, 다른 열교환기(제 1 열교환기 ; 50)는 폐온수입/출구(51a)(51b)와 냉수 입/출구(52b)(52a)의 위치가 다를 뿐 다른 구조는 상기 제 2열교환기(60)와 동일하다.The second heat exchanger 60 is divided into an upper head 64, a heat exchange chamber 65, and a lower head 66 by flanges 63a and 63b, and the waste heat export port 61b is provided at the upper head 64. ) Is formed, a cold water inlet 62b is formed below the waste hot water outlet 61b of the heat exchange chamber 65, and a cold water outlet 62a is formed at a lower portion thereof which is symmetrical with the cold water inlet 62b. A plurality of blocking plates 67 are installed in a zigzag manner in which cold water introduced flows in a zigzag manner and is discharged to the cold water outlet 62a. The waste hot water inlet 61a is disposed below the cold water outlet 62a of the lower head 66. Is formed, and the lower head 66 and the upper head 64 are connected to a plurality of pipes 68 installed through the heat exchange chamber 65, and the waste hot water introduced into the waste hot water inlet 61a is transferred to the heat exchange chamber. The waste heat export outlet 61b is discharged to the waste heat export outlet 61b, and the other heat exchanger (first heat exchanger; 50) is connected to the waste heat import / outlet 51a, 51b. The number of I / outlet (52b) is different from the position of the structure as the other (52a) is the same as the second heat exchanger 60.
한편, 도면중 미설명부호 71은 폐온수 공기변이고, 72는 온도계이며, 73은 냉수공기변이고, 74는 드레인 및 역세구이며, 상기 폐온수 공기변(71)과 온도계(72)와 냉수공기변(73)과 드레인 및 역세구(74)는 제 1 및 제 2열교환기(50)(60)에 공통으로 적용되는 것으로 중복되는 부분은 그 부호를 생략한다.Meanwhile, in the drawing, reference numeral 71 denotes a waste hot water air valve, 72 is a thermometer, 73 is a cold water air valve, 74 is a drain and a backwashing port, and the waste hot water air valve 71 and the thermometer 72 and cold water. The air valve 73, the drain and the backwashing opening 74 are commonly applied to the first and second heat exchangers 50 and 60, and their portions are omitted.
그러나, 상기한 바와 같은 종래의 폐수열 회수 시스템에서는 폐온수와 냉수가 다수의 열교환기(50)(60)를 지그재그식으로 즉, 상부로 유입된 후 하부로 배출되고 다시 하부로 유입되어 상부로 배출되는 식으로 흐르고 있으나, 일반적으로 물은 가열이되면 상부로 순환하고, 냉각이 되면 하부로 순환하려는 성질을 가지고 있기 때문에 상기한 바와 같은 종래의 열교환기(50)(60)를 사용할 경우 일부의 열교환기(제 2열교환기 ; 60)에서는 폐온수와 냉수가 자연적인 흐름방향 즉, 폐온수는 상부에서 하부로, 냉수는 하부에서 상부로 흐르지 못하고 반대로 흘러야 하므로, 열교환 효율이 떨어지게 되는 문제점이 있었다.However, in the conventional wastewater heat recovery system as described above, the waste hot water and the cold water are zigzag, that is, flowed into the upper part and then discharged into the lower part and then flowed into the lower part and discharged to the upper part. In general, the water is circulated to the upper part when heated, and the lower part is circulated to the lower part when it is cooled, so when using the conventional heat exchanger 50, 60 as described above, some heat exchange In the second heat exchanger (60), since waste hot water and cold water flow in a natural flow direction, that is, waste hot water must flow from the top to the bottom, and cold water does not flow from the bottom to the top, there is a problem that the heat exchange efficiency decreases.
상기한 바와 같은 문제점을 해결하기 위한 본 고안의 목적은 다단으로 연결되는 열교환기를 폐온수와 냉수가 통과하면서 폐온수는 항상 상부에서 하부로 순환되도록 하고 냉수는 항상 하부에서 상로 순환되도록 하기 위하여 열교환기의 하우징외주에 폐온수 순환로와 냉수 순환로를 형성하되, 상기 순환로는 열교환기의 하우징 외주면에 일측 전면이 접하도록 형성함으로써, 열교환 효율을 향상시킴과 아울러 설치가 간편하고, 설치공간을 줄일 수 있는 폐수열 회수 시스템의 열교환기 구조를 제공하는 데 있다.The purpose of the present invention for solving the problems as described above is to ensure that the waste hot water is always circulated from the top to the bottom and the cold water is circulated from the bottom to the top while the waste heat and cold water is passed through the multi-stage heat exchanger The waste hot water circulation path and the cold water circulation path are formed on the outer circumference of the housing, but the circulation path is formed so that one side of the front surface is in contact with the outer circumference of the housing of the heat exchanger, thereby improving heat exchange efficiency and simplifying the installation and reducing the installation space It is to provide a heat exchanger structure of the recovery system.
도 1a는 종래의 폐수열 회수 시스템을 나타내는 계통도Figure 1a is a system diagram showing a conventional wastewater heat recovery system
도 1b는 종래의 폐수열 회수 시스템의 열교환기 구조를 나타내는 단면도1B is a cross-sectional view showing a heat exchanger structure of a conventional wastewater heat recovery system.
도 2는 본 고안에 따른 폐수열 회수 시스템을 나타내는 계통도2 is a system diagram showing a wastewater heat recovery system according to the present invention
도 3a는 본 고안에 따른 열교환기 구조를 나타내는 좌측사시도Figure 3a is a left perspective view showing a heat exchanger structure according to the present invention
도 3b는 도 3a의 우측사시도3B is a right perspective view of FIG. 3A
도 3c는 도 3a의 단면도3C is a cross-sectional view of FIG. 3A
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
100 : 폐수열 회수 시스템 110, 120, 130 : 열교환기100: waste water heat recovery system 110, 120, 130: heat exchanger
111a, 121a, 131a : 폐온수입구 111b, 121b, 131b : 폐온수출구111a, 121a, 131a: waste hot water inlet 111b, 121b, 131b: waste hot water outlet
112a, 122a, 132a : 냉수출구 112b, 122b, 132b : 냉수입구112a, 122a, 132a: cold water outlet 112b, 122b, 132b: cold water inlet
113, 123, 133 : 하우징 114, 134 : 폐온수 순환로113, 123, 133: housing 114, 134: waste hot water circulation
125, 135 : 냉수 순환로125, 135: cold water circulation
상기한 바와 같은 목적을 달성하기 위한 본 고안의 실시예를 하기에서 첨부된 도면을 참조하여 살펴본다.An embodiment of the present invention for achieving the object as described above looks at with reference to the accompanying drawings.
도 2는 본 고안에 따른 폐수열 회수 시스템을 나타내는 계통도이고, 도 3a는 본 고안에 따른 열교환기 구조의 일 실시예를 나타내는 좌측사시도이며, 도 3b는 도 3a의 우측사시도이고, 도 3c는 도 3a의 단면도이다.Figure 2 is a schematic diagram showing a waste water heat recovery system according to the present invention, Figure 3a is a left perspective view showing an embodiment of the heat exchanger structure according to the present invention, Figure 3b is a right perspective view of Figure 3a, Figure 3c is Figure 3a It is a cross section of.
본 고안에 따른 폐수열 회수 시스템의 열교환기 구조는 도 2내지 도 3b에 나타내는 바와 같이 다수의 열교환기(110)(120)(130)가 폐온수를 공급하는 폐온수 집수정과 냉수를 공급하는 물탱크사이에 설치된 폐수열 회수 시스템(100)에 있어서, 일측 상부에 폐온수입구(111a)와 냉수출구(112a)가 형성되고 타측하부에 폐온수출구(111b)와 냉수입구(112b)가 형성된 열교환기 하우징(113)의 외주에 폐온수출구(111b)로 배출된 폐온수를 상기 폐온수입구(111a)의 반대위치까지 상승시켜 배출하는 폐온수 순환로(114)를 밀착설치한 열교환기(이하 좌측 열교환기 ; 110)를 상기 폐온수 집수정측 종단에 설치하고, 일측 상부에 폐온수입구(121a)와 냉수출구(122a)가 형성되고 타측하부에 폐온수출구(121b)와 냉수입구(122b)가 형성된 열교환기 하우징(123)의 외주에 냉수출구(122a)로 배출된 냉수를 상기냉수입구(122b)의 반대위치까지 하강시켜 배출하는 냉수 순환로(125)를 밀착설치한 열교환기(이하 우측 열교환기 ; 120)를 상기 물탱크측 종단에 설치하며, 일측 상부에 폐온수입구(131a)와 냉수출구(132a)가 형성되고 타측하부에 폐온수출구(131b)와 냉수입구(132b)가 형성된 열교환기 하우징(133)의 외주에 폐온수출구(131b)로 배출된 폐온수를 상기 폐온수입구(131a)의 반대위치까지 상승시켜 배출하는 폐온수 순환로(134)와 냉수출구(132a)로 배출된 냉수를 상기 냉수입구(132b)의 반대위치까지 하강시켜 배출하는 냉수 순환로(135)를 밀착설치한 열교환기(이하 중심부 열교환기 ; 130)를 상기 좌측 열교환기(110)와 우측 열교환기(120)사이에 설치한 것이다.The heat exchanger structure of the wastewater heat recovery system according to the present invention has a plurality of heat exchangers 110, 120, and 130 as well as water for supplying the waste water and the waste water to supply the waste water. In the wastewater heat recovery system 100 installed between the tanks, a waste heat inlet 111a and a cold water outlet 112a are formed at an upper portion of one side, and a waste heat outlet 111b and a cold water inlet 112b are formed at the lower side of the other side. Heat exchanger in close contact with the waste hot water circulation path 114 which raises and discharges the waste hot water discharged to the waste hot water outlet 111b to the opposite position of the waste hot water inlet 111a on the outer circumference of the housing 113 (hereinafter, left heat exchanger). 110 is installed at the end of the waste water hot water collection side, and the waste hot water inlet 121a and the cold water outlet 122a are formed at one upper portion thereof, and the waste hot water outlet 121b and the cold water inlet 122b are formed at the lower side of the other side. Discharged through the cold water outlet 122a on the outer circumference of the formed heat exchanger housing 123 A heat exchanger (hereinafter referred to as a right heat exchanger; 120) in which a cold water circulation path 125 for lowering and discharging water to a position opposite to the cold water inlet 122b is installed at the end of the water tank side, and waste water Waste hot water discharged to the waste hot water outlet 131b on the outer circumference of the heat exchanger housing 133 in which the inlet 131a and the cold water outlet 132a are formed, and the waste hot water outlet 131b and the cold water inlet 132b are formed at the bottom of the other side. Cold water circulation path for discharging the cold water discharged to the waste hot water circulation path 134 and the cold water outlet 132a to the opposite position of the cold water inlet 132b to be discharged by raising to the opposite position of the waste hot water inlet 131a ( A heat exchanger (hereinafter, referred to as a central heat exchanger) 130 having a close contact with 135 is installed between the left heat exchanger 110 and the right heat exchanger 120.
상기한 바와 같이 구성된 본 고안에 따른 열교환기의 구성을 하기에서 중심부 열교환기(130)를 예로써 보다 상세하게 살펴본다.In the configuration of the heat exchanger according to the present invention configured as described above looks at the central heat exchanger 130 as an example.
상기 중심부 열교환기(130)의 하우징(133)은 도 3a내지 도 3b에 나타내는 바와 같이 원통형으로 형성되고, 그 내주에 일체로 형성된 격벽(136a)(136b)에 의하여 상부헤드(137a)와 열교환실(137b)과 하부헤드(137c)로 나누어지고, 상부헤드(137a)에는 폐온수입구(131a)가 형성되고, 열교환실(137b)의 상기 폐온수입구(131a) 하부에는 냉수출구(132a)가 형성되고 이와 대칭되는 하부에는 냉수입구(132b)가 형성되며 내부에는 상기 냉수입구(132b)로 유입된 냉수가 지그재그식으로 흘러서 냉수출구(132a)로 배출되도록 다수의 차단판(138)이 지그재그식으로 설치되어 있으며, 하부헤드(137c)의 상기 냉수입구(132b) 하부에는 폐온수출구(131b)가 형성되며, 상기 하부헤드(137c)와 상부헤드(137a)는 열교환실(137b)을 거쳐 설치되는 다수의 관로(139)로 연결되어 폐온수입구(131a)로유입된 폐온수가 열교환실(137b)을 거쳐 폐온수출구(131b)로 배출된다.The housing 133 of the central heat exchanger 130 is formed in a cylindrical shape as shown in FIGS. 3A to 3B, and the upper head 137a and the heat exchange chamber are formed by partition walls 136a and 136b integrally formed on the inner circumference thereof. 137b and a lower head 137c, a waste heat inlet 131a is formed in the upper head 137a, and a cold outlet 132a is formed below the waste heat inlet 131a of the heat exchange chamber 137b. A cold water inlet 132b is formed at a lower portion formed and symmetrically therewith, and a plurality of blocking plates 138 are zigzag so that the cold water introduced into the cold water inlet 132b flows in a zigzag manner and is discharged to the cold water outlet 132a. Waste cold water outlet 131b is formed below the cold water inlet 132b of the lower head 137c, and the lower head 137c and the upper head 137a are installed through the heat exchange chamber 137b. Waste water is introduced into the waste water inlet (131a) is connected to a plurality of pipes (139) The waste heat is discharged to the waste water outlet 131b via the heat exchange chamber 137b.
그리고, 상기한 바와 같이 구성된 하우징(133)의 외주에는 폐온수출구(131b)로 배출된 폐온수를 상기 폐온수입구(131a)의 반대위치까지 상승시켜 배출하는 폐온수 순환로(134)와, 냉수출구(132a)로 배출된 냉수를 상기 냉수입구(132b)의 반대위치까지 하강시켜 배출하는 냉수 순환로(135)를 밀착설치하여, 상기 폐온수 순환로(134)의 폐온수가 하우징(133) 내부의 냉수와 한번 더 열교환하도록 하며, 이 때 폐온수 순환로(134)의 하우징(133) 접지면을 냉수 순환로(135)의 하우징(133) 접지면 보다 넓게 함으로써 열교환 효율을 더욱 증대할 수 있다.In addition, the outer circumference of the housing 133 configured as described above is a waste hot water circulation path 134 for elevating the waste hot water discharged to the waste hot water outlet 131b to the opposite position of the waste hot water inlet 131a and cold water. The cold water circulation path 135 for lowering and discharging the cold water discharged to the outlet 132a to the opposite position of the cold water inlet 132b is installed in close contact, and the waste hot water of the waste hot water circulation path 134 is disposed inside the housing 133. Heat exchange with the cold water once more, and the heat exchange efficiency can be further increased by making the housing 133 ground plane of the waste hot water circulation path 134 wider than the housing 133 ground plane of the cold water circulation path 135.
한편, 상기 관로(139)가 격벽(136a)(136b)에 설치된 구조를 살펴보면, 우선 관로(139)가 삽입되는 다수의 통공(미도시)이 형성된 플레이트(미도시)를 하우징(133) 내벽에 일체로 설치한 후 통공내로 관로(139)를 설치하고, 이와 같이 관로(139)가 설치된 플레이트의 상부를 수지로 몰딩함으로써 관로(139)를 격벽(136a)(136b)에 설치하게 된다.Meanwhile, referring to the structure in which the conduit 139 is installed in the partition walls 136a and 136b, first, a plate (not shown) having a plurality of through holes (not shown) into which the conduit 139 is inserted is formed on the inner wall of the housing 133. After the unit is installed integrally, the pipeline 139 is installed into the through hole, and the pipeline 139 is installed on the partition walls 136a and 136b by molding the upper portion of the plate on which the pipeline 139 is installed with resin.
따라서, 상부헤드(137a)와 하부헤드(137c) 및 열교환실(137b)을 단일 하우징(133)의 내부에 구분함으로써 종래 비하여 부품의 수가 감소되고, 작업이 간편하며, 아울러 하우징(133)의 외부로 플랜지 판이 돌출되지 않아 외관이 깨끗하여 폐온수 순환로(134)로 및 냉수 순환로(135)를 하우징(133)의 외주면에 접합할 수 있다.Therefore, by dividing the upper head 137a, the lower head 137c, and the heat exchange chamber 137b into the interior of the single housing 133, the number of parts is reduced, the operation is simple, and the exterior of the housing 133, as compared with the related art. Since the furnace flange plate does not protrude, the appearance is clean, and thus the hot and cold water circulation path 134 and the cold water circulation path 135 may be joined to the outer circumferential surface of the housing 133.
한편, 상기 좌측 열교환기(110)의 하우징(113)과 폐온수 순환로(114)는 중심부 열교환기(130)의 하우징(133) 및 폐온수 순환로(134)와 구조가 동일하고, 우측열교환기(120)의 하우징(123)과 냉수 순환로(125)는 상기 중심부 열교환기(130)의 하우징(133) 및 냉수 순환로(134)와 구조가 동일하므로, 그 상세한 설명은 생략한다.Meanwhile, the housing 113 of the left heat exchanger 110 and the waste hot water circulation path 114 have the same structure as the housing 133 and the waste hot water circulation path 134 of the central heat exchanger 130, and the right heat exchanger ( Since the housing 123 and the cold water circulation path 125 of the 120 have the same structure as the housing 133 and the cold water circulation path 134 of the central heat exchanger 130, a detailed description thereof will be omitted.
도면중 미설명부호 141은 폐온수 공기변을 나타내고, 142는 급수 공기변을 나타내며, 143은 역세청소밸브, 144는 역세청소구, 145는 온도계, 146은 소재구, 147은 드레인을 나타내며, 이중 폐온수 공기변(141)과 급수 공기변(142)과 소재구(146) 및 드레인(147)은 모든 열교환기(110)(120)(130)에 공통으로 적용되는 것으로 중복되는 부분은 그 부호를 생략한다.In the drawings, reference numeral 141 denotes a waste hot water air valve, 142 denotes a water supply air valve, 143 denotes a backwash cleaning valve, 144 denotes a backwash cleaning port, 145 denotes a thermometer, 146 denotes a material sphere, and 147 denotes a drain. The waste hot water air valve 141, the water supply air valve 142, the material sphere 146, and the drain 147 are commonly applied to all the heat exchangers 110, 120, and 130. Omit.
이와 같이 구성된 본 고안에 의하면, 좌측 열교환기(110)의 상부에 형성된 폐온수입구(111a)로 유입된 폐온수는 하우징(113)내부를 거쳐 냉수와 열교환 한 후 하부의 폐온수출구(111b)로 배출되고, 폐온수출구(111b)로 배출된 폐온수는 폐온수 순환로(114)를 타고 상승되어 중심부 열교환기(130)의 폐온수입구(131a)로 유입되어 동일한 과정 즉, 상부에서 하부로 열교환하면서 흐른 후 상승하여 다시 동일한 과정을 반복함으로써 우측 열교환기(120)의 폐온수출구(121b)로 배출된다.According to the present invention configured as described above, the waste hot water introduced into the waste hot water inlet 111a formed on the upper side of the left heat exchanger 110 is heat-exchanged with cold water through the inside of the housing 113, and then the waste hot water outlet 111b of the lower portion. Waste water is discharged to the waste hot water outlet 111b is discharged through the waste hot water circulation path 114 is introduced into the waste hot water inlet 131a of the central heat exchanger 130, the same process, that is, from top to bottom After the flow while exchanging heat, it rises and is discharged to the waste temperature export port 121b of the right heat exchanger 120 by repeating the same process again.
그리고, 우측 열교환기(120)의 하부에 형성된 냉수입구(122b)로 유입된 냉수는 하우징(123)의 내부를 거쳐서 폐온수와 열교환을 이룬 후 상부의 냉수출구(122a)로 배출되고, 상부의 냉수출구(122a)로 배출된 냉수는 냉수 순환로(125)를 따라 하강해서 중심부 열교환기(130)의 냉수입구(132b)로 유입되며, 중심부 열교환기(130)의 냉수입구(132b)로 유입된 냉수는 상기 우측 열교환기(120)에서와 동일한 과정을 따라 폐온수와 열교환 한 후 좌측 열교환기(110)로 유입되어재차 열교환을 한 후 좌측 열교환기(110)의 냉수출구(112a)로 배출된다.The cold water introduced into the cold water inlet 122b formed at the lower portion of the right heat exchanger 120 is discharged to the cold water outlet 122a of the upper part after heat exchange with the waste hot water through the inside of the housing 123. The cold water discharged to the cold water outlet 122a descends along the cold water circulation path 125 and flows into the cold water inlet 132b of the central heat exchanger 130, and flows into the cold water inlet 132b of the central heat exchanger 130. Cold water is heat-exchanged with the waste hot water in the same heat exchanger as the right heat exchanger 120, and then flows into the left heat exchanger 110, heat exchanges again, and is discharged to the cold water outlet 112a of the left heat exchanger 110. .
이에 따라, 냉수는 모든 열교환기(110)(120)(130)내부에서 상승하면서 폐온수와 열교환하게 되고 폐온수는 모든 열교환기(110)(120)(130)내부에서 하강하면서 냉수와 열교환하게 된다.Accordingly, the cold water rises inside all the heat exchangers 110, 120, 130 and heat exchanges with the waste hot water, and the waste hot water descends inside all the heat exchangers 110, 120, 130 and heat-exchanges with the cold water. do.
한편, 상기 폐온수 순환로(134) 및 냉수 순환로(135)가 열교환기(120)의 하우징(113) 외주면에 일측전면이 일체로 접합형성됨으로써, 일반적인 배관, 즉, 다수의 파이프 및 엘보우를 체결한 배관에 비하여 부품의 수가 감소되고, 제작 및 설치작업이 간편하며, 상대적으로 작은 공간에 설치됨과 아울러, 일반적인 배관(파이프)이 외부에 외주전면이 노출되어 내부온수의 열이 방열되는 것에 비하여, 폐온수 순환로(134)는 열교환기(120)의 하우징(113) 외주면에 일측전면이 일체로 접합형성됨으로써, 폐온수 순환로(134)의 폐수가 하우징(113) 내부의 냉수와 다시 한번 열교환할 수 있어 열교환 효율이 더욱 증대된다.Meanwhile, the one side front surface is integrally formed on the outer circumferential surface of the housing 113 of the heat exchanger 120 so that the waste hot water circulation path 134 and the cold water circulation path 135 are integrally connected to each other, that is, a plurality of pipes and elbows are fastened. Compared to piping, the number of parts is reduced, manufacturing and installation work is simple, and it is installed in a relatively small space, and the general pipe (pipe) is exposed to the outer circumferential surface of the outside, so that the heat of the internal hot water is dissipated. Since the hot water circulation path 134 is integrally formed with one side surface on the outer circumferential surface of the housing 113 of the heat exchanger 120, the waste water of the waste hot water circulation path 134 may exchange heat with cold water inside the housing 113 once again. Heat exchange efficiency is further increased.
따라서, 본 고안에 의하면 냉수는 모든 열교환기 내부에서 상승하면서 폐온수와 열교환하게 되고, 폐온수는 모든 열교환기 내부에서 하강하면서 냉수와 열교환하게 되어, 가열된 냉수가 자연적인 흐름과 순방향으로 일치됨으로써 열교환 효율이 증대되며, 또한, 열교환기의 하우징 내부에 몰딩형성된 격벽에 의하여 상부헤드와 하부헤드 및 열교환실을 단일 하우징의 내부에 구성됨과 아울러 상기 폐온수 순환로 및 냉수 순환로가 열교환기의 하우징 외주면에 일측전면이 일체로 접합형성됨으로써, 종래 비하여 부품의 수가 감소되고, 제작 및 설치작업이 간편하며, 아울러 하우징의 외부로 플랜지 판이 돌출되지 않아 외관이 깨끗하며, 상대적으로 작은 공간에 설치할 수 있고, 폐온수 순환로의 폐수가 하우징 내부의 냉수와 다시 한번 열교환할 수 있어 열교환 효율이 더욱 증대된다.Therefore, according to the present invention, the cold water is heat-exchanged with the waste water while rising inside all the heat exchangers, and the waste-hot water is heat-exchanging with the cold water while descending inside all the heat exchangers, so that the heated cold water coincides with the natural flow in the forward direction. The heat exchange efficiency is increased, and the upper head, the lower head, and the heat exchange chamber are formed in the single housing by the partition wall formed in the housing of the heat exchanger, and the waste hot water circulation path and the cold water circulation path are formed on the outer peripheral surface of the heat exchanger. By integrally forming one side surface, the number of parts is reduced and the manufacturing and installation work are simpler than before, and the flange plate does not protrude to the outside of the housing so that the exterior is clean and can be installed in a relatively small space. Waste water in the hot water circulation can exchange heat once again with cold water inside the housing. The heat exchange efficiency is further increased.
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| Application Number | Priority Date | Filing Date | Title |
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| KR2020020004687U KR200275013Y1 (en) | 2002-02-18 | 2002-02-18 | Heat exchanging system between waste-warm water and water |
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| Application Number | Priority Date | Filing Date | Title |
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| KR2020020004687U KR200275013Y1 (en) | 2002-02-18 | 2002-02-18 | Heat exchanging system between waste-warm water and water |
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| KR1020020009300A Division KR20020028169A (en) | 2002-02-21 | 2002-02-21 | Heat exchanging system between waste-warm water and water |
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| KR200275013Y1 true KR200275013Y1 (en) | 2002-05-09 |
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