WO2011037339A2

WO2011037339A2 - Hot-water supply heat exchanger provided with a mixing valve, and adaptor having a built-in mixing valve

Info

Publication number: WO2011037339A2
Application number: PCT/KR2010/006087
Authority: WO
Inventors: 민태식
Original assignee: 주식회사 경동나비엔
Priority date: 2009-09-28
Filing date: 2010-09-08
Publication date: 2011-03-31
Also published as: EP2484989A4; EP2484989A2; KR20110034192A; WO2011037339A3; KR101164717B1; US20120305105A1

Abstract

The aim of the present invention is to provide a hot-water supply heat exchanger provided with a mixing valve, which has a simple configuration and enables the temperature of hot water to be easily controlled, and to an adaptor having a built-in mixing valve. To accomplish the aim, the hot-water supply heat exchanger of the present invention comprises: a heat-exchanging unit (100) for exchanging heat between the heating water supplied from a main heat exchanger (20) and cold tap water; a heating water inlet port (212) for feeding the heating water into the heat-exchanging unit (100); a heating water outlet port (214) for discharging the heating water after the heating water exchanges heat with the tap water in the heat-exchanging unit (100); a tap water inlet port (222) for feeding the tap water into the heat-exchanging unit (100); a hot water outlet port (224) for discharging the tap water, which has become hot water after the tap water has exchanged heat with the heating water in the heat-exchanging unit (100); and a mixing valve (230) for mixing the tap water fed via the tap water inlet port (222) with the hot water discharged via the hot water outlet port (224).

Description

Hot water heat exchanger with mixing valve and mixing valve integrated adapter

The present invention relates to a hot water supply heat exchanger and a mixing valve integrated adapter provided with a mixing valve, and more particularly, to a hot water supply heat exchanger and a mixing valve integrated adapter provided with a mixing valve so that the structure is simple and easy to control the temperature of hot water. will be.

1 is a schematic view showing a general heating / hot water combined use boiler, Figure 2 is a perspective view schematically showing the appearance of a general hot water supply heat exchanger.

First, when the heating mode is activated, the circulation pump 10 is operated to transfer the heating water. The heating water is heated in the main heat exchanger 20 by the combustion heat of the burner 21 and then transferred to the heating requirements through the three-way valve 30 to be heated. The heat exchange is reduced in temperature due to heat exchange at the heating point is transferred to the main heat exchanger 20 through the expansion tank 50 and the circulation pump 10 to be reheated. Reference numeral 22 denotes a blower.

On the other hand, when the hot water mode is activated, the three-way valve 30 to cut off the path connected to the heating source side and open the path connected to the hot water supply heat exchanger 40 side to supply the heating water heated in the main heat exchanger 20 hot water heat exchanger ( To 40). In the hot water supply heat exchanger (40), heat exchange is performed between direct water and heating water to supply heated hot water to a hot water source.

Referring to FIG. 2, the hot water heat exchanger 40 combines a plurality of thin plates in a stacked structure and forms a flow path such that heat exchange is performed between heating water and direct water in an inner space of the stacked structure.

One side of the hot water supply heat exchanger (40) is coupled to the pipe 41 is connected to the three-way valve 30 to the inlet side to the heating water inlet, the heating water flows to the outlet side discharged after the heating water is finished heat exchange with the direct water The pipe 42 connected to the pipe 45 is coupled.

In addition, the hot water supply heat exchanger 40 is coupled to the pipe 43 to the inlet side in which the direct water flows, and the pipe 44 is coupled to the outlet side from which the hot water heated by the direct water is discharged.

The hot water heated by the hot water supply heat exchanger is supplied to a user who is a hot water source, and since the hot water is supplied to the user immediately after being heated in the hot water heat exchanger 40, it is difficult to control the temperature of the hot water.

The present invention has been made in view of the above-described problems, and an object thereof is to provide a hot water supply heat exchanger and a mixing valve integrated adapter provided with a mixing valve having a simple structure and easy temperature control of hot water.

Hot water heat exchanger of the present invention for achieving the above object, the heat exchanger 100 is a heat exchange between the heating water supplied from the main heat exchanger 20 and the cold direct water; A heating water inlet 212 for introducing the heating water into the heat exchange unit 100; A heating water outlet 214 for discharging the heating water after the heat is exchanged with the direct water in the heat exchange part 100; Direct water inlet 222 for introducing the direct water into the heat exchange unit 100; A hot water outlet 224 configured to discharge the hot water into hot water after the heat exchange with the heating water is performed in the heat exchange part 100; It includes a mixing valve 230 for mixing the direct water flowing from the direct inlet 222 to the hot water discharged through the hot water outlet 224.

The mixing valve integrated adapter of the present invention includes a direct water inlet 222 through which the direct water flows into the heat exchange part 100 in which heat exchange is performed between the heated water supplied from the main heat exchanger 20 and the cold direct water, and the An adapter 220 having a hot water outlet 224 integrally formed so that direct water is discharged as hot water after heat exchange with the heating water in the heat exchange part 100; In order to mix the direct water flowing from the direct inlet 222 with the hot water discharged through the hot water outlet 224, the mixing valve 230 is integrally formed with the adapter 220.

According to the present invention, there is an advantage that the temperature of the hot water can be easily adjusted by providing a mixing valve to mix the direct water flowing from the direct water inlet to the hot water discharged through the hot water outlet.

In addition, the direct inlet and the hot water outlet are integrally formed with the second adapter coupled to the heat exchanger, and the mixing valve has an advantage of simplifying the pipe connection structure by integrally forming the second adapter.

1 is a schematic view showing a general heating / hot water combined use boiler,

Figure 2 is a perspective view schematically showing the appearance of a typical hot water heat exchanger

Figure 3 is a schematic diagram showing the structure of a hot water supply system with a hot water supply heat exchanger of the present invention,

4 is a perspective view showing a connection structure of a hot water supply heat exchanger and an adapter according to an embodiment of the present invention;

5 is a perspective view showing a first adapter;

6 is a cross-sectional view taken along line C-C of the first adapter shown in FIG. 5;

FIG. 7 is a sectional view taken along line D-D of the first adapter shown in FIG. 5;

8 is a perspective view showing a second adapter;

FIG. 9 is a cross-sectional view taken along line E-E of the first adapter shown in FIG. 8;

10 is a cross-sectional view taken along line F-F of the first adapter shown in FIG. 8;

11 is a schematic cross-sectional view showing a second adapter integrally provided with a mixing valve of the present invention;

12 is a cross-sectional view illustrating an A-A cross section of the heat exchanger illustrated in FIG. 4;

13 is a cross-sectional view showing a B-B cross section of the heat exchanger shown in FIG. 4;

14 is a schematic cross-sectional view showing a state in which the first adapter is coupled to the heat exchange unit;

15 is a schematic cross-sectional view showing a state in which a second adapter is coupled to a heat exchanger;

FIG. 16 is a schematic view showing the flow of heating water and direct water in a state in which the heat exchanger structure shown in FIG. 14 and the heat exchanger structure shown in FIG. 15 are combined;

* Explanation of Codes *

100: heat exchanger

101,102,103,104,111,112,113,114

102a, 103a, 114a, 102b, 103b, 112b, 113b: heating water through hole

103c, 104c, 113c, 114c, 103d, 104d, 111d, 112d: direct through hole

121: first connecting member 122: second connecting member

123: third connecting member 124: fourth connecting member

131: 1st heating environment road 132: 2nd heating environment road

133: first direct environmental road 134: second direct environmental road

210: first adapter 220: second adapter

211,221: Body 212: Heating water inlet

213,223: inlet extension 214: heating water outlet

215,225: Water supply valve connector 216: Heating return connector

222: direct inlet 224: hot water outlet

230: mixing valve 231: valve portion

232: drive unit 300: water supply valve

400: flow sensor

Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a schematic view showing a hot water supply system with a hot water supply heat exchanger of the present invention, Figure 4 is a perspective view showing a connection structure of the hot water supply heat exchanger and adapter according to an embodiment of the present invention. Reference numerals for the same parts as in the prior art will be described with reference to FIGS. 1 and 2.

The hot water supply heat exchanger (1) of the present invention, the heat exchange unit 100 is a heat exchange between the heating water supplied from the main heat exchanger 20 and the cold direct water, so that the heating water flows into the heat exchange unit (100). The heating water inlet 212, the heating water discharge port 214 to be discharged after the heat exchange with the direct water in the heat exchange unit 100, the direct water flows into the heat exchange unit 100 The hot water inlet 222, the hot water outlet 224 to discharge the hot water after the heat exchange with the heating water in the heat exchange unit 100 inside the hot water inlet 222, the direct water flowing from the direct water inlet 222 The mixing valve 230 for mixing the hot water discharged through the outlet 224 is provided.

The heat exchange part 100 is blocked from each other with a plurality of diaphragms interposed between a path through which heating water flows and a path through which direct water flows. Hot heating water and cold direct water exchange heat through the diaphragm.

The first adapter 210 and the second adapter 220 are coupled to the heat exchange part 100.

In the first adapter 210, the heating water inlet 212 and the heating water outlet 214 are integrally formed, and a water supply valve connector 215 and a heating return connector 216 are formed.

The heating water inlet 212 is connected to the three-way valve 30 to allow the heating water supplied from the main heat exchanger 20 to flow into the heat exchanger 100 in the hot water mode.

After the heat exchange with the direct water is made in the heat exchange part 100, the heating water is discharged through the heating water discharge port 214, combined with the heating return water, and flows to the circulation pump 10.

The water supply valve connector 215 is connected to a water supply valve 300 for supplying supplementary water into the heating pipe. The water supply valve 300 is coupled between the first adapter 210 and the second adapter 220.

The heating return connector 216 is a heat exchange at the heating source is a heat return is reduced inflow, the heating return flows into the first adapter 210 through the heating return connector 216 is a heating water Discharged through the outlet 214 flows to the circulation pump 10 side.

The second adapter 220 has a direct inlet 222, a hot water outlet 224, and a water supply valve connector 225 integrally formed thereon.

The direct water inlet 222 is a cold direct water flows in, the direct water flowed through the direct water inlet 222 is introduced into the heat exchange unit 100 is a heat exchange with the heating water.

Direct water flowed into the heat exchanger 100 is heat exchanged with the heating water in the heat exchanger 100 to become hot water, and the hot water is discharged to the hot water use place through the hot water discharge port 224.

The flow sensor 400 is provided on a path through which the direct water flows, and the flow sensor 400 detects the flow of the direct water to determine whether the water is in the hot water mode.

The water supply valve connector 225 is connected to the water supply valve 300. When the water supply valve 300 is opened to supply replenishment water in the heating pipe, the hot water heated in the heat exchange unit 100 is connected to the water supply valve connector 225 and the water supply valve of the second adapter 220. After passing through 300 sequentially, the water is introduced into the water supply valve connector 215 of the first adapter 210 and mixed with the heating return in the first adapter 210 and then flows to the heating water outlet 214.

The water supply valve 300 is for supplying additional heating water when the heating water is insufficient in the heating pipe. Conventionally, a separate piping structure for connecting the water supply valve to the heating pipe is provided, but in the present invention, the piping structure is provided by providing the water

supply valve connectors

215 and 225 integrally formed with the first adapter 210 and the second adapter 220. Becomes simpler.

A mixing valve 230 is provided to mix the water flowing from the water inlet 222 with the hot water discharged through the hot water outlet 224. When the mixing valve 230 is opened, direct water is mixed with hot water discharged through the hot water discharge port 224 to facilitate temperature control of the hot water.

FIG. 5 is a perspective view showing a first adapter, FIG. 6 is a C-C cross-sectional view of the first adapter shown in FIG. 5, and FIG. 7 is a D-D cross-sectional view of the first adapter shown in FIG. 5.

The first adapter 210 has a cylindrical body 211 and a heating water inlet 212, a heating water outlet 214, and a water supply valve connector 215 at predetermined intervals along the circumference of the outer circumferential surface of the body 211. , Heating return connector 216 is protruding.

Inside the body 211, one end is connected to the heating water inlet 212, the other end is formed with an inlet extension 213 is coupled to the first connection member 121 (see Fig. 14).

The end of the inlet extension 213 is coupled to the first connection member 121 is connected to the heating flow environment path inside the heat exchange unit (100). Between the inlet extension 213 and the inner circumferential surface of the body 211, a space 211a through which the heating water circulates inside the heat exchange part 100 is formed.

Accordingly, the body 211 has a concentric structure in which a path through which heating water flows (inlet extension 213) and a path through which heating water flows (space 211a) are parallel to each other.

The heating return connector 216 is connected to the heating pipe side through which the heating return flows. The heating return water introduced through the heating return connector 216 is supplied to the circulation pump 10 through the heating water outlet 214.

According to this structure, the heating water inlet 212, the heating water outlet 214, the water supply valve connector 215 and the heating return connector 216 is integrally formed in one adapter 210, the pipe connected thereto The structure can be simplified.

8 is a perspective view illustrating a second adapter, FIG. 9 is an E-E cross-sectional view of the first adapter shown in FIG. 8, and FIG. 10 is an F-F cross-sectional view of the first adapter shown in FIG. 8.

The second adapter 220 has a body 221 and a direct inlet 222, an inlet extension 223, a hot water outlet 224, and a water supply valve connector at predetermined intervals along the outer circumference of the body 221. 225, the mixing valve 230 is protruding.

The inlet extension 223 is located inside the body 221 and one end is connected to the direct inlet 222 and the other end is coupled to the second connection member 122 (see FIG. 15).

The body 221, the direct inlet 222, the inlet extension 223, and the hot water outlet 224 have the same shape as the first adapter 210.

The direct inlet 222 is formed with a through hole 222a to communicate with the inside of the hot water outlet 224. The mixing valve 230 includes a valve unit 231 for opening and closing the through hole 222a and a driving unit 232 for driving opening and closing of the valve unit 231. Therefore, when the valve unit 231 is opened by the driving unit 232, the direct water is mixed with the hot water through the through hole 222a, thereby enabling the temperature control of the hot water.

11 is a schematic cross-sectional view showing a second adapter in which the mixing valve of the present invention is integrally provided.

The body 221 of the second adapter 220 has a direct inlet 222, a hot water outlet 224, and a water supply valve connector 225 integrally formed, and the mixing valve 230 is the second adapter 220. It is coupled to the body of 221 integrally.

A through hole 222a is formed in the water inlet 222, and a valve unit 231 of the mixing valve 230 that opens and closes the through hole 222a is connected to the driving unit 232.

12 is a cross-sectional view showing a cross section AA of the heat exchanger shown in FIG. 4, FIG. 13 is a cross-sectional view showing a BB cross section of the heat exchanger shown in FIG. 4, FIG. 14 is a cross-sectional schematic view showing a state where the first adapter is coupled to the heat exchanger. 15 is a schematic cross-sectional view showing a state in which the second adapter is coupled to the heat exchange unit, and FIG. 16 is a view illustrating a flow of heating water and direct water in a state in which the heat exchanger structure shown in FIG. 14 is combined with the heat exchanger structure shown in FIG. 15. Schematic diagram.

The heat exchange part 100 has a structure in which a plurality of

diaphragms

101, 102, 103, 104, 111, 112, 113, and 114 overlap each other. The

diaphragms

101, 102, 103, 104, 111, 112, 113, and 114 serve as heat transfer surfaces in which heat and water are directly exchanged, thereby forming a laminated structure by bending the edges of the thin plates and welding the edges of neighboring diaphragms to each other.

The space formed between the diaphragms forms a heating

water environment path

131, 132 and a direct

water environment path

133, 134.

By the

diaphragm

101, 102, 103, 104, 111, 112, 113, and 114, the heating

water flow paths

131 and 132 through which the heating water flows and the direct

water flow paths

133 and 134 through which the direct water flows are blocked from each other so that the heating water and the water flows in a non-mixed state.

The heating water introduced into the heat exchange part 100 sequentially passes through the first heating water environmental path 131 and the second heating water environmental path 132, and the first direct environmental path 133 and the second direct environmental path. After the heat exchange with the direct water passing through 134 is made, it is discharged to the heating return side through the first adapter 210.

In addition, the direct water introduced into the heat exchange unit 100 passes through the first direct environmental path 133 and the second direct environmental path 134 in sequence, and the first heating pure environment path 131 and the second heating pure environment path. After heat exchange with the heating water passing through 132 is supplied to the hot water source through the second adapter 220.

In the diaphragm 114 into which the first adapter 210 and the second adapter 220 are inserted and coupled, the diaphragm 114 has a heating water through hole 114a and a straight water through hole 114c.

A cylindrical third connection member 123 into which the first adapter 210 is inserted is coupled to the heating water through hole 114a, and a second adapter 220 is inserted into and coupled to the straight through hole 114c. The cylindrical fourth connecting member 124 is coupled.

A path between heating water and direct water will be described with reference to FIGS. 14 to 16.

When the three-way valve 30 is switched to the hot water mode, the heating water heated in the main heat exchanger 20 is cut off to the heating source side and supplied to the hot water supply heat exchanger 1 side to supply the heating water inlet of the first adapter 210. 212 and the inlet extension 213 is introduced into the interior.

The heating water introduced into the first adapter 210 passes through the first heating water environment path 131 and the second heating water environment path 132 of the heat exchange part 100 in sequence, and then the first direct water environment path 133 and Heat is exchanged with the direct water flowing in the second direct pure environment path 134 and discharged to the expansion tank 50 through the heating water discharge port 214 in a state in which the temperature decreases.

At the same time, the direct water flows into the direct inlet 222 and the inlet extension 223 of the second adapter 220. The direct water flowing into the second adapter 220 passes through the first direct environmental path 133 and the second direct environmental path 134 of the heat exchange part 100 in sequence, and the first heating water environmental path 131 and the second. Heat exchange with the heating water flowing inside the heating water environment path 132 is discharged to the hot water source side through the hot water outlet 224 in the hot water state.

In this case, the mixing valve 230 is operated to adjust the temperature of the hot water. That is, when the through-hole 222a is opened by operating the valve unit 231 by the driving unit 232, the direct water is mixed with the hot water through the through-hole 222a. In this case, when the movement amount of the valve unit 231 is controlled, the temperature of the hot water can be adjusted because the amount of direct water mixed with the hot water is adjusted.

Meanwhile, when the three-way valve 30 is switched to the heating mode, the heating water supplied to the heating source is returned to the circulation pump 10 after the heat exchange process is performed. In the present invention, the heating return water returned to the circulation pump 10 is introduced into the heating return connector 216 of the first adapter 210, and then passes through the heating water outlet 214, and then the circulation pump 10 through the expansion tank 50. ) To the side.

If the heating water is insufficient in the heating pipe to open the water supply valve 300 to replenish the heating water. The water supply valve 300 is installed between the water supply valve connector 215 of the first adapter 210 and the water supply valve connector 225 of the second adapter 220. Therefore, when the water supply valve 300 is opened, some of the hot water in the body 221 of the second adapter 220 passes through the water supply valve connector 215 and the discharge port (215) of the first adapter 210 through the water supply valve connector 225. After passing through 214 in sequence, it is supplied to the heating pipe on the return side.

Claims

A heat exchange part 100 in which heat exchange is performed between the heating water supplied from the main heat exchanger 20 and the cold direct water;

A heating water inlet 212 for introducing the heating water into the heat exchange unit 100;

A heating water outlet 214 for discharging the heating water after the heat is exchanged with the direct water in the heat exchange part 100;

Direct water inlet 222 for introducing the direct water into the heat exchange unit 100;

A hot water outlet 224 configured to discharge the hot water into hot water after the heat exchange with the heating water is performed in the heat exchange part 100;

A mixing valve 230 for mixing the water flowing from the water inlet 222 with the hot water discharged through the hot water outlet 224;

Hot water heat exchanger comprising a.
The method of claim 1,

The heating water inlet 212 and the heating water outlet 214 are integrally formed with a first adapter 210 coupled to one side of the heat exchange part 100;

The direct inlet 222 and the hot water outlet 224 are integrally formed with a second adapter 220 coupled to the other side of the heat exchange part 100;

The mixing valve 230 is a hot water heat exchanger, characterized in that formed integrally with the second adapter (220).
The method of claim 2,

The direct inlet 222 is formed with a through hole 222a to communicate with the inside of the hot water outlet 224;

The mixing valve 230, the hot water heat exchanger comprising a valve unit 231 for opening and closing the through hole (222a) and a drive unit 232 for driving the opening and closing of the valve unit 231.
The method of claim 2,

The first adapter 210 is connected to the heating water inlet 212 and penetrates through the side of the body 211, and then passes through the inner space of the body 211 and the heating procedure environment paths 131 and 132 in the heat exchange unit 100. Inlet extension 213 is connected to the formed;

Heating water that has completed heat exchange in the heat exchange part 100 is heated through the heating water outlet 214 of the first adapter 210 via an outer circumference of the inlet extension 213 of the first adapter 210. Hot water heat exchanger, characterized in that returned to the pipe.
The method according to claim 2 or 4,

A heating return connector 216 is formed at the side of the body 211 of the first adapter 210 and circulates a heating source, and a cooling return connector 216 is introduced therein, and the heating introduced through the heating return connector 216 is formed. Hot water supply heat exchanger, characterized in that the discharge is discharged through the heating water outlet 214 of the first adapter (210).
The method according to claim 2 or 4,

Water supply valve connectors 215 and 225 are connected to the body portions 211 and 221 of the first adapter 210 and the second adapter 220 to be connected to the water supply valve 300, respectively;

When the water supply valve 300 is opened to replenish the heating water in the heating pipe of the boiler, the hot water passing through the direct water flow paths 133 and 134 inside the heat exchange unit 100 is connected to the water supply valve of the second adapter 220. Hot water heat exchanger characterized in that it is supplied to the heating pipe after passing through the water supply valve connector 215 of the water supply valve 300 and the first adapter (210).
Direct water inlet 222 to allow the direct water to flow into the heat exchange unit 100 where heat is exchanged between the heated water supplied from the main heat exchanger 20 and the cold direct water, and the direct water flows into the heat exchange unit 100. Adapter 220 made of an integral hot water outlet 224 to be discharged by the hot water after the heat exchange with the heating water;

A mixing valve 230 integrally formed with the adapter 220 for mixing the direct water flowing from the direct water inlet 222 with the hot water discharged through the hot water outlet 224;

Mixing valve integrated adapter.
The method of claim 7, wherein

The direct inlet 222 is formed with a through hole 222a to communicate with the inside of the hot water outlet 224;

The mixing valve 230 is a mixing valve integrated adapter comprising a valve unit 231 for opening and closing the through hole 222a and a driving unit 232 for driving opening and closing of the valve unit 231.