KR100691257B1 - Water tube boiler for hot water supply and hot waterheating - Google Patents

Abstract

A water pipe boiler for heating and hot water supply is provided to maximize the thermal efficiency by collecting heat of a heating chamber by natural circulation. A water pipe boiler for heating and hot water supply includes a body cover housing, a water chamber body(100), a heating chamber(200), an upper partition(220), a bottom partition(240), a heat interrupting plate(260), a plurality of water pipes(300), a heating unit engaging section(400), a heating unit(500), and an exhaust pipe. The water pipes are connected with the water chamber body through a plurality of through-holes concentrically formed in the upper partition and the bottom partition. The heating unit engaging section extends from the front surface of the water chamber body to the interior of the heating chamber. An opening section is formed at an upper portion extending into the interior of the heating chamber. A hot air interrupting plate is formed at one end of the opening section. The heating unit is engaged with the outer side of the water chamber body of the heating unit engaging section. The exhaust pipe is connected with an exhaust gas discharge opening at a central portion of the bottom partition of the heating chamber and is bent so that the exhaust gas is reversely exhausted.

Description

Water tube boiler for hot water supply and hot waterheating

1 is an overall perspective view of a water pipe boiler for heating and hot water supply according to the present invention.

Figure 2 is a perspective view of the main part of the water pipe boiler for heating and hot water supply according to the present invention.

Figure 3 is a side sectional view of a water pipe boiler for heating and hot water supply according to the present invention.

Figure 4 is an enlarged perspective view of the main part of the bottom plate of the water pipe boiler for heating and hot water supply according to the present invention.

Figure 5 is an enlarged perspective view of the main portion of the upper plate of the water pipe boiler for heating and hot water supply according to the present invention.

6 is a cross-sectional view taken along the line A-A of Figure 3 of the water pipe boiler for heating and hot water supply according to the present invention.

Figure 7 is a perspective view showing the hot water supply pipe of the water pipe boiler for heating and hot water supply according to the present invention.

Description of the main symbols in the drawings

100: water chamber body 102: heating water outlet

104: heating water return port 106: air outlet

200: heating chamber 220: upper plate

222: upper plate through hole 224: fixing piece

240: bottom plate 242: bottom plate hole

244: exhaust gas outlet 246: collector

260: heat blocking plate 262: heat blocking plate

264: sealed outer diameter 266: open outer diameter

270: exhaust gas discharge void 300: water pipe

400: heating means coupling portion 402: opening portion

410: fire blocking plate 500: heating means

600: exhaust pipe 700: hot water supply pipe

H: Body cover housing D1: Sealed outer diameter

D2: Outer diameter of open outer diameter

The present invention relates to a water pipe boiler for heating and hot water supply, and more particularly, includes a heating chamber inside one sealed water chamber, and passes through the heating chamber to generate heat generated by a heating means such as a burner. A plurality of water pipes for collecting the gas are in communication with one closed water chamber to collect heat of the heating chamber by natural circulation, and exhaust pipes are formed under the heating chamber to recover waste heat of the exhaust gas generated in the heating chamber. By forming the reverse exhaust, it relates to a water pipe boiler for heating and hot water supply that can maximize the thermal efficiency of the boiler.

A conventional water pipe boiler is a boiler which arranges a large number of small diameter pipes (water pipes) and heats them through a heating means such as a burner using gas, oil, etc. from the outside of the water pipes. The water pipe of such a water pipe boiler has a small diameter and is excellent in high temperature and high pressure. In addition, by forming a large number of water pipes, the heat transfer area can be increased to maximize the thermal efficiency of the boiler. Therefore, the water pipe boiler has developed along with the development of steam turbines, and is used in a wide range of applications such as thermal power generation, steam turbines for ships or factories, large-scale heating, households, and offices. Here, the conventional water pipe 300 boiler is divided into a forced circulation boiler and a natural circulation boiler.

First, in the case of the former forced water circulation boiler, a boiler with a medium capacity or more is a boiler in which water is forcedly circulated using a pump. The conventional forced circulation water pipe boiler has various structures according to the arrangement of the water pipe and the drum, among which the water pipe group is installed at a horizontal angle of 15 ° and has a steam drum above it. In the case of a water pipe boiler, there is a vertical water pipe boiler which is coupled to a pair of headers of the horizontal group and the top and bottom so that water circulates in the drum and the water pipe group, and the water pipe is inclined close to vertical. In addition, when there is a rider drum containing steam and water in the upper portion, and a drum containing water only in the lower portion, there is an inclined water pipe boiler with a water pipe installed at an inclination of 45 °.

As described above, the conventional forced circulation water pipe boiler, while the capacity is used in the medium-large capacity, the power and maintenance costs are high, and care and skill are required when handling. In addition, the water pipe is easily overheated, so that the water must be uniformly continually circulated in the water pipe, and when the water is stagnant, there is a problem in that the water pipe is damaged due to overheating. Therefore, the conventional forced circulation water pipe boiler has a problem that the equipment is complicated, the cost according to the complex equipment is increased, the maintenance cost is increased.

In addition, the conventional forced circulation water pipe boiler is forced to circulate the water in the boiler, the time taken to collect heat in the combustion chamber changes according to the speed of the water circulated, the heat loss of the combustion chamber can not be collected more efficiently The occurrence of is frequent.

On the other hand, in the latter case, the natural circulation water pipe boiler is relatively small in capacity, and its configuration is applied to a small boiler formed simply by the water pipe and the combustion chamber. The natural circulation water pipe boiler is a natural circulation occurs due to the circulating force caused by buoyancy because the boiler water in the water pipe evaporates to become the two-phase flow of steam mixing. In this case, as the pressure increases, the circulation force decreases because the difference in specific volume between saturated water and saturated steam decreases, so it is difficult to expect a natural circulation power in a medium and large capacity boiler of 10 MPa or more.

Therefore, such a natural circulation water pipe boiler is applied to a boiler of a small capacity using a relatively small heat source, and is not suitable for a medium and large boiler, and thus cannot be used for general purpose. Drinking water pipe boilers should be installed separately. Therefore, a problem arises that brings about additional cost of boiler and selection of place and increase of cost.

That is, the above-mentioned capacity of the forced circulation boiler and the natural circulation boiler of the water pipe boiler is clearly distinguished, and this causes a problem that a wide range of selection of the boiler according to the capacity is very narrow for the user. Accordingly, there is a demand for a boiler that can be universally used as a small and medium and large water pipe boiler, and is formed in a natural circulation type with a simple configuration.

In addition, in the case of the forced circulation and natural circulation water pipe boilers described above, the exhaust gas generated in the combustion chamber is directly discharged through the upward communication, or connected to the communication to collect waste heat of the discharged exhaust gas. A heat exchanger is provided separately to maximize the heat efficiency of the collection of waste heat sources.

However, when the exhaust gas is directly discharged through the communication formed upward, waste heat is immediately released into the atmosphere, and waste heat cannot be reused, resulting in waste of energy, resulting in increased costs, heat exchangers, and the like. When the waste heat of exhaust gas is collected by using the secondary fuel, the facility is complicated, and the cost of the facility is increased, and the skill of operating the facility of the worker is required. .

Accordingly, the present invention has been made to solve the problems described above, and a single closed water chamber in which water is accommodated to supply heating and hot water is formed, and the waste heat of the exhaust gas is maximized therein to maximize thermal efficiency. A heating chamber is provided with a heat shield plate which is easy to recover, and a plurality of water pipes passing through the heating chamber and collecting heat generated from the inside by a heating means such as a burner communicate with one closed water chamber to have a natural It is an object of the present invention to provide a water pipe boiler for heating and hot water supply that maximizes thermal efficiency by collecting heat in a heating chamber by circulation.

In addition, the present invention is configured to form a communication in the lower portion of the heating chamber in order to recover the waste heat of the exhaust gas generated by burning gas, oil, etc. in the heating chamber, the exhaust gas waste heat generated and discharged from the heating chamber inside the sealed chamber The maximum heat transfer area is recovered from the heating chamber sidewalls and the upper and lower sides of the heating chamber, and the exhaust gas is reversed through the communication formed downward according to the temperature difference of the exhaust gas of the heating chamber according to the waste heat recovery. And another object is to provide a water pipe boiler for hot water supply.

In addition, the present invention is formed so as to recover the heat source of the heating chamber to the maximum, it is not necessary to provide a device such as a heat exchanger, the installation cost is reduced, and various sizes such as small, medium and large without limiting boiler capacity It is an object of the present invention to provide a water pipe boiler for heating and hot water supply which can be manufactured.

Heating and hot water supply water pipe boiler of the present invention for achieving the above object is the body cover housing (H); It is provided inside the main body cover housing (H), and is configured to form a cylindrical seal to the upper and lower pressure plate, the heating water outlet 102 and the heating water return hole 104 is formed in the upper and lower sides, the upper surface in the center A closed water chamber body 100 having an air outlet 106 to discharge air remaining inside when the heat medium is expanded by high temperature; A cylindrical heating chamber 200 formed inside the chamber body 100; A plurality of fixing pieces 224 are formed on the upper side of the heating chamber 200 to form a plurality of upper plate through-holes 222 concentrically on the inner surface of the disc, and fixedly coupled to the inside of the chamber body 100 to the outside. The upper plate 220 is formed; A bottom plate 240 formed at a lower side of the heating chamber 200 to form a plurality of bottom plate through-holes 242 concentrically on the inner surface of the disc, and an exhaust gas outlet 244 formed at the center thereof; A heat shield plate 260 installed between the upper plate 220 and the bottom plate 240; A plurality of water pipes 300 provided to communicate with the chamber body 100 through a plurality of concentric circular holes formed in the upper plate 220 and the bottom plate 240; An open portion 402 is formed at an upper portion of the one side extending into the heating chamber 200 from the front surface of the chamber body 100, and an open flame is formed at one end of the opening portion 402. A heating means coupling part 400 having a blocking plate 410 formed thereon; Heating means 500 is coupled to the outer diameter side of the body main body 100 of the heating means coupling portion 400; It characterized in that it comprises an exhaust pipe 600 bent to be in communication with the exhaust gas outlet 244 in the center of the bottom plate 240 of the heating chamber 200 to be back exhausted.

Here, the bottom plate 240 is formed directly below the exhaust gas outlet 244 than the height of the exhaust pipe 600, it is preferable that the collecting unit 246 for collecting the residual moisture is formed.

On the other hand, the heat shield plate 260 is formed of a disc and one side sealed outer diameter portion 264 to form an outer diameter D1 is sealed corresponding to the inner diameter of the heating chamber 200; An open outer diameter portion 266 which forms a D2 having an outer diameter smaller than the outer diameter D1 on the opposite side of the sealed outer diameter portion 264; The sealed outer diameter portion 264 and the open outer diameter portion 266 a plurality of concentric round heat-transfer plate through hole 262 through which a plurality of water pipes 300 in which the heating chamber 200 and the chamber body 100 communicate with each other are penetrated and coupled. ) Is formed, a plurality of outermost heat shield plate through holes 262 of the plurality of heat shield plate through holes 262 is formed in the heating chamber 200 is formed outside the outer diameter D2 outside the outer diameter D2. A plurality of outermost water pipes 300 are coupled, and a portion of the outer diameter of the plurality of outermost water pipes 300 is positioned on the outer circumference of the outer diameter D1 of the sealed outer diameter part of the water pipe 300 on the inner wall of the heating chamber 200. A portion of the outer diameter abuts to form the exhaust gas discharge gap 270.

Preferably, the air outlet 106 is preferably provided with a pressure expansion tank for adjusting the pressure according to the expansion of the heat medium such as water, the hot water supply pipe for supplying hot water on the upper side of the body main body 100 ( 700) may be further provided.

An embodiment of a water pipe boiler for heating and hot water supply according to the present invention as described above will be described in detail with reference to the accompanying drawings.

1 is an overall perspective view of a water pipe boiler for heating and hot water supply according to the present invention, Figure 2 is a main perspective view of a water pipe boiler for heating and hot water supply according to the present invention, Figure 3 is a heating and hot water supply according to the present invention 4 is an enlarged perspective view of a bottom plate of a bottom plate of a water pipe boiler for heating and hot water supply according to the present invention, and FIG. 5 is an enlarged main part of an upper plate of a water pipe boiler for heating and hot water supply according to the present invention. 6 is a sectional view taken along line AA of FIG. 3 of the heating and hot water supply water pipe boiler according to the present invention, and FIG. 7 is a main part perspective view showing the hot water supply pipe of the heating and hot water supply water pipe boiler according to the present invention.

1 and 2, the water pipe boiler for heating and hot water supply of the present invention is the body cover housing (H), the water chamber body 100, the heating chamber 200, a plurality of water pipes 300, heating means Combination portion 400, the heating means 500, exhaust pipe 600 and the like. Here, the body cover housing (H) is to cover the entire boiler is formed in various ways depending on the size and capacity of the boiler.

As shown in Figure 1, the compartment body 100 is provided in the body cover housing (H), it is configured to seal the cylindrical shape by forming a pressure plate up and down, the interior of the body body 100, which will be described later In order to efficiently collect heat generated in the chamber 200, a heat medium such as water is accommodated. In addition, the heating water discharge port 102 and the heating water return port 104 is formed on one side of the upper and lower sides of the chamber body 100 so that the heat medium such as water is circulated for heating. In addition, the air outlet 106 is provided at the upper part of the chamber body 100 to discharge the air remaining in the chamber body 100 when the heat medium such as water is expanded due to the high temperature. Here, the front surface side of the main body 100 is provided with a heating means coupling unit 400 to be described later is coupled to the heating means 500 to be described later.

On the other hand, the heat medium accommodated in the chamber body 100 is a medium used for heat transfer such as heating and defrosting, in order to maintain the chemical apparatus at a constant operating temperature, and heat is transferred from the heat source to the heat medium. It transfers and circulates this, and indirectly heats a to-be-heated body. Compared with direct heating method, local heating can be avoided, temperature control is easy, and there is less risk of fire or explosion. Commonly used heat medium is flue gas, heated air, water, steam, oil and the like. Water has excellent properties, such as specific heat, large heat of evaporation, and stability. However, water has a high vapor pressure and must be used under pressure for heating at 100 ° C or higher, and about 200 ° C is the limit. Therefore, it is preferable to use an inorganic heat medium such as Dowsam A or HTS (a eutectic mixture of nitrate and nitrite) which is a eutectic mixture of diphenyl and diphenyl ether.

That is, after accommodating the above-described heat medium in the water chamber body 100, it is possible to effectively collect the high temperature heat generated in the heating chamber 200 to be described later through the heat medium, and the water chamber due to the expansion of the heat medium by the high temperature heat. It is to form a pressure plate on the upper and lower oval sphere to withstand the high pressure in the main body 100.

The air outlet 106 is formed so that the air is discharged therein by receiving the heat medium inside the chamber body 100. Here, the heat medium is filled in the chamber body 100. Therefore, the heating medium is heated by the heating means 500 to be described later, when the volume is expanded, the remaining air contained in the chamber body 100 and the heating medium through the air outlet 106 is discharged through the air outlet 106 do. On the other hand, it is preferable that a pressure expansion tank (not shown) is provided at one end of the air discharge port 106 side. The pressure expansion tank adjusts the pressure in the chamber body 100. That is, when the pressure rises, the heat medium moves to the pressure expansion tank, and when the pressure decreases, the heat medium moved to the pressure expansion tank moves back to the water chamber body 100 so that the pressure of the water body body 100 always maintains the proper pressure. Will be done.

Meanwhile, as shown in FIG. 2, a heating chamber 200 is provided in the water chamber body 100. An upper plate 220 is formed above the heating chamber 200, and a bottom plate 240 is formed below. In addition, a heat shield plate 260 is provided between the upper plate 220 and the bottom plate 240. Here, the upper plate 220 and the bottom plate 240 face each other at a predetermined interval to correspond to each other, between the cylindrical heating chamber 200 is coupled along the outer periphery of the upper plate 220 and the bottom plate 240 To be cylindrically sealed.

On the other hand, one side of the heating chamber 200 is connected to the heating means coupling portion 400 provided on the front surface of the water chamber body 100 extends into the heating chamber 200. In addition, a plurality of water pipes 300 are provided to communicate with the chamber body 100 through a plurality of concentric circular holes 222 and 242 formed in the upper plate 220 and the bottom plate 240.

As shown in FIG. 3, the heating means coupling unit 400 is formed such that the heating means 500 described below is flange-coupled to the entire surface of the body main body 100 so as not to penetrate the heat medium inside the body main body 100. It extends through the closed chamber to the inside of the heating chamber 200. In addition, one side of the heating means coupling part 400 extending into the heating chamber 200 is formed with an open portion 402 upward, and a fire blocking plate 410 is formed at one end of the open portion 402 side. Therefore, the fire blocking plate 410 is straightened by the fire blocking plate 410 that the fire generated by the heating means 500 to be described later is fired to the open portion 402 side of the heating means coupling portion 400 extending into the heating chamber 200. It is formed so that the firearm with the upward heating upwards.

The heating means 500 is generally formed of a burner or the like for generating a heat source using a fuel such as gas or oil, and a specific configuration thereof is omitted.

On the other hand, the bottom plate 240 formed on the lower side of the above-described heating chamber 200 is formed as a disc, as shown in Figure 3 or 4, the inner surface of the plate a plurality of bottom plate through the concentric circles 242 Is formed. The water pipe 300 is coupled to the plurality of bottom plate through holes 242 so as to communicate with the interior of the chamber body 100. In addition, an exhaust gas outlet 244 is formed at the center thereof. On the other hand, the exhaust pipe 600 is directly connected to the exhaust gas outlet 244. At the outer circumference of the exhaust pipe 600, a collecting part 246 is formed to be circumferentially lower than the height of the exhaust pipe 600. Here, the collection unit 246 performs initial heating in the heating chamber 200 together with initial input of a low temperature heat medium inside the chamber body 100. At this time, the moisture contained in the heating chamber 200 is condensed on the inner wall of the heating chamber 200 according to the high temperature combustion temperature inside the heating chamber 200 and the temperature deviation of the low temperature heating medium accommodated in the chamber body 100. And collected in the collection part 246 formed below the bottom plate 240. The collected moisture is heated while the heating chamber 200 is heated as the combustion progresses, and the collected moisture is evaporated and discharged through the exhaust pipe 600 described later.

3 or 5, the upper plate 220 is formed of a disc formed with the same diameter as the bottom plate 240, and a plurality of upper plate holes 222 are formed concentrically on the inner surface of the plate. . A plurality of upper plate holes 222 is coupled to the water pipe 300 is coupled to the bottom plate 240 is extended so as to communicate with the interior of the body main body 100. In addition, a plurality of fixing pieces 224 are formed outside the upper plate 220 is fixedly coupled to the interior of the chamber body (100). Here, the water pipe 300 coupled to the plurality of upper plate through hole 222 formed in the center of the plurality of upper plate through hole 222 is bent to one side of the heating chamber 200 is the water pipe 300 to the side wall side of the heating chamber 200 It communicates with the inside of the body. Specifically, when the water pipe 300 is bent in detail, one side end of the heating means coupling portion 400 extends into the heating chamber 200 to be positioned so that the fire is combusted in the heating chamber 200. The water pipe 300 coupled to the center of the 220 extends with the bottom plate 240 to avoid interference with the heating means coupling part 400 and is bent without being communicated with the chamber body 100 to be heated to the side wall of the heating chamber 200. It is in communication with the chamber body 100 to the side.

As described above, a plurality of water pipes 300 are provided to communicate with the chamber body 100 through a plurality of concentric circular holes 222 and 242 formed in the upper plate 220 and the bottom plate 240, as shown in FIG. 3. As described above, the heat medium contained in the water chamber body 100 is distributed to the water pipe. That is, when the fuel such as gas, oil, etc. in the heating chamber 200 is combusted by the heating means 500 such as a burner to generate a high temperature heat, the heat medium accommodated therein is the heating chamber 200. The heat transfer area is maximized to collect the high temperature heat generated from the heating chamber 200 by distributing the inside of the plurality of water pipes 300 passing through the water pipe, and the heat medium that receives the high temperature heat is moved upward by expanding its volume, The upwardly moved water is moved to a position requiring heating through the heating water outlet 102 to perform heating. When the heating medium that has been heated in this way loses its heat source, it flows back into the chamber body 100 through the heating water return hole 104 and communicates with the bottom plate through-hole 242 of the bottom plate 240 of the chamber body 100. It is introduced into the water pipe 300 to collect the heat of the high temperature of the heating chamber 200 again to be a natural circulation. In addition, the natural circulation of the heat medium according to the temperature difference in the chamber body 100 is also made.

On the other hand, the heat shield 260 is provided between the upper plate 220 and the bottom plate 240, as shown in Figure 6, is formed of a disc one side corresponding to the inner diameter of the heating chamber 200 Thus, a sealed outer diameter portion 264 is formed to form an outer diameter D1 to be sealed, and an open outer diameter portion 266 is formed on the opposite side of the sealed outer diameter portion 264 to form a D2 having an outer diameter smaller than the outer diameter D1. Here, in the sealed outer diameter portion 264 and the open outer diameter portion 266 of the heat shield plate 260, a plurality of water pipes 300 in which the heating chamber 200 and the chamber body 100 communicate with each other are penetrated and concentric. A plurality of heat shield plate hole 262 is formed. In particular, the plurality of outermost heat shield plate through holes 262 of the plurality of heat shield plate through holes 262 is formed outside the outer diameter D2, so that the outer portion of the heat shield plate through holes 262 is opened. . When a plurality of outermost water pipes 300 provided inside the heating chamber 200 are coupled to the heat shield plate through-hole 262 in which the outer portion is opened, a portion of the outer diameter of the water pipe 300 is the outer diameter of the sealed outer diameter portion 264. A portion of the outer diameter of the water pipe 300 is in contact with the inner wall of the heating chamber 200 to form an exhaust gas discharge gap 270. That is, the one side sealed outer diameter portion 264 of the heat shield plate 260 is sealed corresponding to the inner diameter of the heating chamber 200, the heating chamber 200, the other side is the outermost open heat shield plate hole provided in a concentric circle ( A portion of the outer outer diameter of the plurality of water pipes 300 coupled to 262 is positioned on the outer circumference of the outer diameter D1 of the sealed outer diameter portion 264 to be in contact with the side wall of the heating chamber 200.

On the other hand, looking at the exhaust gas discharge cavity 270 in detail, the hot layer is formed on the upper side by the fire radiating through the heating means coupling portion 400 located on one side inside the heating chamber 200, the center and its The lower the temperature deviation occurs. At this time, the exhaust gas is naturally circulated in the heating chamber 200 in which gas, oil and the like are burned according to the temperature deviation of the upper and lower parts. Therefore, exhaust gas, which has been combusted through natural circulation, is circulated in the heating chamber 200 and the waste heat of about 200 ° C. to 250 ° C. is transferred to the water pipe 300 to heat the heat medium to minimize heat loss. Done. Therefore, the exhaust gas which mostly consumes the heat source is moved to the exhaust pipe 600 which will be described later through the exhaust gas discharge gap 270 on the other side of the heat shield plate 260 and is exhausted. Here, the temperature of the exhaust gas is preferably discharged to about 85 ℃.

The exhaust pipe 600 is coupled to the collection part 246 formed in the center of the bottom plate 240, is coupled to protrude upward than the collection part 246. Here, the exhaust pipe 600 is bent below the heating chamber 200 to recover the waste heat of the exhaust gas so that the exhaust gas inside the heating chamber 200 is naturally circulated for a long time to recover the waste heat of the exhaust gas. Preferably configured.

As described above, the action of the water pipe boiler for heating and hot water supply according to the present invention is as described below, and an embodiment according to the use state will be described.

2 and 3, in the water pipe boiler for heating and hot water supply according to the present invention, a cylindrical heating chamber 200 is fixed by a fixing piece 224 inside one hermetic body 100. do. After the heating chamber 200 is sealed and fixed inside the chamber body 100, the heat medium is filled in the chamber body 100. At this time, the heat medium is filled in the chamber body 100 and the air therein is discharged through the air outlet 106.

Next, the heating means 500 is coupled to the heating means coupling unit 400 to radiate the firearm into the heating chamber 200 using fuel such as gas and oil, and the firearm in the heating chamber 200. The fire blocking plate 410 is heated upward. At this time, the residual moisture in the heating chamber 200 is condensed on the inner wall of the heating chamber 200 according to the temperature deviation in the heating chamber 200 of the high temperature during the initial heating in the heating chamber 200 and the high temperature heating chamber 200 due to the initial heating. And collected in the collecting unit 246.

Thereafter, the moisture collected in the collecting unit 246 is evaporated and discharged through the exhaust pipe 600 while the heating chamber 200 is heated. On the other hand, when heated upward in the heating chamber 200 by the heating means 500, the heat medium filled in the chamber body 100 and the water pipe 300 is gradually heated from the upper plate 220 side, a plurality of adjacent to the fire The water pipe 300 provided at the center bent to the water pipe 300 and the upper plate 220 is heated.

Next, when the water pipe 300 and the upper plate 220 is heated to start the thermal expansion of the heat medium, the heat medium moves downward in the body of the water pipe 300. The heat medium moving downwards is introduced into the water pipe 300 connected to the bottom plate 240 to continuously collect the heat source generated in the heating chamber 200 through natural circulation.

Therefore, the heat of the fire generated by the heating means 500 is naturally circulated by heating the heat medium inside the chamber body 100 through the water pipe 300. In addition, as the heating proceeds, the temperature of the upper plate 220, the bottom plate 240, and the heating chamber 200 of the heating chamber 200 also increases. Therefore, the heat transfer area is maximized to maximize the heat source generated in the heating chamber 200 in the heat medium accommodated in the chamber body 100, so that the upper plate 220 in addition to the water pipe 300 penetrating the interior of the heating chamber 200. In addition, the bottom plate 240, the heating chamber 200, such as the outer diameter side of the heating chamber is to supply a heat source to the heat medium can maximize the thermal efficiency.

On the other hand, the exhaust gas is generated in the heating chamber 200 according to the combustion of the fuel. Waste heat remains in the generated exhaust gas, and the waste heat can be exhausted through the exhaust pipe 600 in the form of reverse exhaust gas to further increase thermal efficiency. Further, when looking at the recovery of the waste heat of the exhaust gas in detail, the fuel is burned in the heating chamber 200 and the high temperature heat is radiated toward the top of the heating chamber 200. Thereafter, a high temperature layer having the highest temperature at the side of the upper plate 220 of the heating chamber 200 is formed. Here, a temperature deviation of the temperature of the heating chamber 200 toward the center of the heating chamber 200 and the heat shield plate 260 is generated. At this time, the exhaust gas is naturally circulated according to the minute temperature difference according to each position in the heating chamber 200 in the state containing waste heat to the heat medium of the water chamber body 100 through the inner wall of the water pipe 300 and the heating chamber 200. Heat transfer.

Thereafter, the exhaust gas circulating and descending to the heat shield plate 260 is lost to the bottom plate 240 through the exhaust gas discharge gap 270 formed between the heat shield plate 260 and the chamber body 100. At this time, the waste heat of the exhaust gas from the bottom plate 240 side is second to transfer heat to the plurality of water pipes 300 coupled to the bottom plate 240 side.

Next, the exhaust gas exhausting the waste heat is exhausted through the exhaust communication, so that the heat generated from the heating means 500 is most efficiently available, and exhibits high thermal efficiency according to the natural circulation type, so that even small and medium-sized boilers Applicable is obvious.

In addition, by configuring the natural circulation according to the temperature deviation without forced circulation by the motor, it is possible to reduce the heating cost through the reduction of installation maintenance cost and fuel.

On the other hand, as shown in Figure 7, the hot plate is provided with a hot water supply pipe 700 provided with a copper tube upwards of the upper plate 220, the upper side of the heating chamber 200 in the interior of the chamber body 100 formed the high temperature layer. It is also preferable to supply hot water by collecting a heat source.

As described above, in the detailed description of the present invention, specific embodiments have been described, but it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention. Such variations are within the scope of the claims.

The present invention is provided with a single closed water chamber in which water is accommodated to supply heating and hot water, and a heating chamber provided with a heat shield plate for easily recovering waste heat of exhaust gas to maximize thermal efficiency therein. A plurality of water pipes passing through the heating chamber and collecting heat generated from the inside by a heating means such as a burner are communicated with one closed water chamber to collect heat of the heating chamber by natural circulation, thereby maximizing thermal efficiency. have.

In addition, the present invention is configured to form a communication in the lower portion of the heating chamber in order to recover the waste heat of the exhaust gas generated by burning gas, oil, etc. in the heating chamber, the exhaust gas waste heat generated and discharged from the heating chamber inside the sealed chamber The maximum heat transfer area is recovered from the heating chamber sidewalls and the upper and lower sides of the heating chamber, and the exhaust gas is reversed through the communication formed downward according to the temperature difference of the exhaust gas of the heating chamber according to the waste heat recovery, thereby maximizing thermal efficiency. There is this.

In addition, the present invention is formed so as to recover the heat source of the heating chamber to the maximum, it is not necessary to provide a device such as a heat exchanger, the installation cost is reduced, and various sizes such as small, medium and large without limiting boiler capacity There is an advantage that can be used universally to manufacture.

Claims (5)

A main cover housing (H); It is provided inside the main body cover housing (H), and is configured to form a cylindrical seal to the upper and lower pressure plate, the heating water outlet 102 and the heating water return hole 104 is formed in the upper and lower sides, the upper surface in the center A closed water chamber body 100 having an air outlet 106 to discharge air remaining inside when the heat medium is expanded by high temperature; A cylindrical heating chamber 200 formed inside the chamber body 100; A plurality of fixing pieces 224 are formed on the upper side of the heating chamber 200 to form a plurality of upper plate through-holes 222 concentrically on the inner surface of the disc, and fixedly coupled to the inside of the chamber body 100 to the outside. The upper plate 220 is formed; A bottom plate 240 formed at a lower side of the heating chamber 200 to form a plurality of bottom plate through-holes 242 concentrically on the inner surface of the disc, and an exhaust gas outlet 244 formed at the center thereof; A heat shield plate 260 installed between the upper plate 220 and the bottom plate 240; A plurality of water pipes 300 provided to communicate with the chamber body 100 through a plurality of concentric circular holes formed in the upper plate 220 and the bottom plate 240; An open portion 402 is formed at an upper portion of the one side extending into the heating chamber 200 from the front surface of the chamber body 100, and the firearm is formed at one end of the opening portion 402. A heating means coupling part 400 having a blocking plate 410 formed thereon; Heating means 500 is coupled to the outer diameter side of the body main body 100 of the heating means coupling portion 400; A water pipe boiler for heating and hot water supply, characterized in that it comprises an exhaust pipe (600) bent so as to be in communication with the exhaust gas outlet 244 in the center of the bottom plate 240 of the heating chamber (200). The method of claim 1, The bottom plate 240 is formed below the height of the exhaust pipe 600 directly below the exhaust gas outlet 244, the collection unit for collecting the residual water is formed, characterized in that the water pipe boiler for heating and hot water supply. The method of claim 1, The heat shield plate 260 is formed of a disc and one side of the sealing outer diameter portion 264 to form an outer diameter D1 is sealed corresponding to the inner diameter of the heating chamber 200; An open outer diameter portion 266 which forms a D2 having an outer diameter smaller than the outer diameter D1 on the opposite side of the sealed outer diameter portion 264; The sealed outer diameter portion 264 and the open outer diameter portion 266 a plurality of concentric round heat-transfer plate through holes through which the plurality of water pipes 300 in which the heating chamber 200 and the water chamber body 100 are connected are coupled ( 262), Among the plurality of heat shield plate through holes 262, the outermost portion of the heat shield plate through holes 262 has a plurality of outermost heat shield plate through holes 262 formed outside the outer diameter D2 to form an outer part of the heat shield plate through holes 262. The water pipe 300 is coupled, and a part of the outer diameter of the plurality of outermost water pipes 300 is positioned on the outer circumference of the outer diameter D1 of the sealed outer diameter part so that a part of the outer diameter of the water pipe 300 contacts the inner wall of the heating chamber 200. Water pipe boiler for heating and hot water supply, characterized in that to form the exhaust gas discharge cavity (270). The method of claim 1, The air outlet 106 is a water pipe boiler for heating and hot water supply, characterized in that the pressure expansion tank for adjusting the pressure according to the expansion of the heat medium is further provided. The method of claim 1, The water pipe boiler for heating and hot water supply, characterized in that the hot water supply pipe 700 for supplying hot water on the upper side of the body main body 100 is further provided.

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