KR20150116647A - An apparatus for collecting exhaust gas of firewood boiler - Google Patents

Abstract

The present invention relates to an exhaust gas collecting device for a firewood boiler. The exhaust gas collecting device is applied to a firewood boiler (B) comprising: a heat exchange tank (C) having a heat medium stored therein; a fire chamber (F) formed inside the heat exchange tank to burn firewood; and an exhaust pipe (P) for exhausting exhaust gas generated from the fire chamber. The exhaust gas collecting device comprises: a tank (10, 110) having an inlet for introducing exhaust gas exhausted from the exhaust pipe (P) and an exhaust duct for exhausting the exhaust gas installed thereon; a spray pipe (20, 120) installed on the ceiling of the tank (10, 110) and spraying water on the exhaust gas to collect pollutants contained in the exhaust gas introduced through the inlet; a circulation motor (30, 130) for circulating water, which has fallen and been collected after the collection of the pollutants, to the spray pipes (20, 120); a drain valve (40, 140) for draining water with the level of pollution raised as the amount of collected pollutants increases; and a water supply valve (50, 150) for supplying clean water to the tank (10, 110) in the same amount as the amount of the drained water.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an exhaust gas collecting apparatus for a firewood boiler,

The present invention relates to an exhaust gas dust collecting apparatus for a harmonious boiler using fuel oil as fuel, and more particularly, to an exhaust gas dust collecting apparatus for a harmonious boiler for collecting pollutants generated from the harmonics boiler, To an exhaust gas dust collecting apparatus.

It is widely used in areas where it is easy to obtain firewood such as rural and mountain areas, or where it is difficult to use electricity, kerosene or light oil. In recent years, oil prices have skyrocketed, and the use of harmonious boilers has been increasing to save fuel costs in jjimjilbang and indoor swimming pools.

A generalized wood boiler is generally composed of a heat exchange tank in which a heating medium is stored, a drawing room formed inside the heat exchange tank, in which a wood is burnt, and a circulation motor installed in a pipe connecting the heat exchange tank and the space to be heated. With this structure, the combustion heat generated in the process of burning the harmonics heats the heating medium stored in the heat exchange tank, and the circulation motor makes the heating by circulating the heated heating medium to a place requiring heating. Such a fellowship boiler is disclosed in the Utility Model No. 10-1998-014397, which is a prior art, and is disclosed in the patent registration No. 10-0728397 under the name of a fossilized boiler.

However, in the above-mentioned fellowship boiler, pollutants such as burned material, dust, smell, wood vinegar, etc. are contained in the exhaust gas and it is difficult to use the exhaust gas in an environment where a lot of people are inhabited. In particular, the demand for firewood boilers is increasing in general households in urban areas due to recent surge in oil prices. However, there is frequent friction with neighboring households due to contamination of laundry and smell due to pollutants contained in exhaust gas.

The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a burner which can be applied without modifying an existing harmonics boiler, And it is an object of the present invention to provide an exhaust gas dust collecting apparatus for a harmony boiler which can effectively collect and remove contaminants.

In order to achieve the above object, an exhaust gas dust collecting apparatus for a harmony boiler according to the present invention comprises a heat exchange tank (C) in which a heating medium is stored, a firebox (F) formed in the heat exchanging tank, (B) including an exhaust pipe (P) for exhausting exhaust gas generated in a firebox, characterized in that an inlet port through which the exhaust gas exhausted from the exhaust pipe (P) flows and an exhaust port through which the exhaust gas is exhausted A tank (10) (110) provided with a tank (10); A spraying pipe (20) (120) installed on the ceiling of the tank (10) (110) for spraying water with the exhaust gas for collecting contaminants contained in the exhaust gas flowing into the inlet port; A circulation motor (30) (130) for collecting the pollutants and then falling and circulating the collected water to the spray pipes (20) (120); A drain valve (40) (140) for draining the water having a higher degree of pollution as the amount of the pollutant collected increases; And a water supply valve (50) (150) for supplying clean water to the tank (10) (110) by an amount of the water to be drained.

In the present invention, the inlet port is protruded from the bottom of the tank (10) (110) so that water injected from the inside of the tank (10) (110) does not flow back to the exhaust pipe (P).

In order to increase the flow path of the exhaust gas in the tank 10, the tank 10 is separated from the side wall of the tank 10 by a diaphragm 14 farther from the inlet 11, And a lower space 10b; The injection pipe 20 is installed on the ceiling side of the upper space 10a and the ceiling side of the lower space 10b.

In the present invention, the tank 110 includes an upper tank 111 in which an inlet port 111a through which exhaust gas exhausted from the exhaust pipe P is formed, and an upper tank 111 located at a lower side of the upper tank 111 A guide duct 115 connecting the upper tank 111 and the lower tank 113 to each other and an exhaust duct 117 through which the exhaust gas is exhausted; The injection pipe (120) is installed on the ceiling side of the upper tank (111); The circulation motor 130 circulates the water collected in the lower tank 113 to the injection pipe 120. At this time, the exhaust flue 117 is installed in the lower tank 113 at a position separated from the guide duct 115.

In the present invention, the water collected in the lower tank 113 is used to recover heat from the water, and the heat exchange pipe 170 is immersed therein.

According to the present invention, it is possible to effectively collect and remove contaminants from the exhaust gas exhausted from the harmonics boiler so as to exhaust only clean exhaust gas, so that even if the harmonics boiler is used in the city center, the surrounding households are not damaged. Especially, the exhaust gas dust collecting apparatus of the present invention can be applied without modification of the existing harmonics boiler, so that it has versatility.

In addition, the amount of water consumed in collecting the pollutants can be minimized by collecting the water sprayed from the spray pipe and supplying the water to the spray pipe again.

The exhaust heat (waste heat) contained in the exhaust gas is recovered, thereby maximizing the thermal efficiency.

1 is a perspective view of a first embodiment of an exhaust gas dust collecting apparatus for a harmony boiler according to the present invention,
FIG. 2 is a view for explaining the internal configuration of the exhaust gas dust collecting apparatus of FIG. 1,
FIG. 3 is a perspective view of a second embodiment of a diesel particulate filter for a harmony boiler according to the present invention,
4 is a view for explaining the internal configuration of the exhaust gas dust collecting apparatus of Fig. 3; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an exhaust gas dust collector for a harmony boiler according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a first embodiment of an exhaust gas dust collector for a harmony boiler according to the present invention, and FIG. 2 is a view for explaining an internal configuration of the exhaust gas dust collector of FIG.

As shown in FIG. 2, the first embodiment of the exhaust gas dust collecting apparatus for a fellowship boiler according to the present invention includes a heat exchange tank C in which a heat medium is stored, (B) that includes a firebox (F) for exhausting the exhaust gas generated in the firebox and an exhaust pipe (P) for exhausting the exhaust gas generated in the firebox. Generally, in a harmonized boiler, exhaust gas generated when combusting harmonious wood contains burned material, dust, smell, and wood vinegar (hereinafter, pollutant).

This first embodiment of the exhaust gas dust collecting apparatus for a harmony boiler is provided with an inlet 11 through which exhaust gas exhausted from the exhaust pipe P of the fellowship boiler B flows and an exhaust flue 12 through which the exhaust gas is exhausted A tank (10); A spray tube 20 installed on the ceiling of the tank 10 for spraying water with the exhaust gas to collect contaminants contained in the exhaust gas flowing into the inlet 11; A circulation motor (30) for collecting pollutants and then falling and circulating the collected water to the spray pipe (20); A drain valve (40) for draining the water with a high degree of pollution as the amount of pollutants collected increases; A water supply valve (50) for supplying clean water to the tank (10) by an amount of water to be drained; And a water level holding portion 60 interlocked with the water supply valve 50 so that water collected inside the tank 10 maintains a constant water level.

When the tank 10 is positioned on the upper side of the harmonics boiler B as a whole, the exhaust pipe P is engaged with the inlet 11 and is engaged. Or the tank 10 may be positioned separately from the fellowship boiler B where the tailpipe P of the fellowship boiler B is connected to the inlet 11 by a zebra-style pipe (not shown) . In the present embodiment, the tank 10 is installed on the upper side of the fellowship boiler B and the exhaust pipe P is inserted into the inlet 11 to be described.

The inlet 11 protrudes from the bottom of the tank 10 so that the water sprayed inside the tank 10 does not flow back to the exhaust pipe P. Accordingly, water is stored at a certain level on the inner side of the tank 10.

The exhaust flue 12 is in communication with the outside, and the clean exhaust gas from which contaminants have been removed while passing through the water sprayed from the spray pipe 20 is exhausted.

A window (13) is provided on the side of the tank (10) for checking the turbidity of water collected inside the tank (10) from the outside. The user can confirm the turbidity of the water to be collected by checking the window 13. [ Alternatively, a sensor (not shown) for measuring the degree of contamination may be provided inside the tank 10 to generate an alarm signal when water is contaminated to a certain degree of contamination.

The tank 10 may be provided with a diaphragm 14 spaced apart from the sidewall of the tank 10 farther from the inlet 11 in order to extend the flow path of the exhaust gas. The tank 10 is divided into an upper space 10a and a lower space 10b by the diaphragm 14. In this case, the spray tube 20 is connected to the ceiling of the upper space 10a and the lower space 10b of the lower space 10b. And is installed on the ceiling side. Although one diaphragm 14 is exemplified in this embodiment, it is needless to say that the diaphragm may be arranged in a staggered shape as necessary to further extend the flow path of the exhaust gas.

The spray tube 20 is for spraying the inflow water into a shower shape. For this purpose, a plurality of nozzles 21 directed toward the lower side are formed. At this time, the interval between the nozzles 21 can be made narrower so that the water sprayed from the nozzle 21 can be sprayed over a wide area, and the contaminants contained in the exhaust gas can be collected more effectively. The water collecting the pollutants is dropped and collected in the tank (10).

The circulation motor 30 circulates the collected water to the spray pipe 20 after the pollutant is collected and then dropped. The amount of water consumed in treating the pollutant by the circulating motor 30 can be reduced.

The drain valve 40 is for draining the water with increased turbidity, that is, the water in which many contaminants are collected, by collecting the water-rich contaminants collected in the tank 10 to the outside. The circulation motor 30 circulates the water collected at the bottom of the tank 10 to the spray pipe 20. If a large amount of contaminants are contained in the water, the viscosity of the water is increased and the spray is not well sprayed and a pleasant smell may occur have. In this case, the drain valve 40 is opened to drain contaminated water.

The water supply valve (50) is for supplementing the water drained by being opened when the drain valve (40) is opened. At this time, the inner diameter of the drain valve 40 is preferably larger than the inner diameter of the water supply valve 40. Accordingly, water with a high degree of contamination can be drained in a short time.

The water level holding unit 60 maintains the water level of water collected inside the tank 10 constant.

When the drain valve 40 is opened to drain the polluted water, the water supply valve 50 opens and clean water flows into the tank 10. At this time, The water supply valve 50 is selectively opened and closed so as not to exceed the set water level. If the water level retaining portion 60 is not employed, the water level of the water flowing through the water feed valve 50 may be higher than that of the inlet port 11. In this case, water may flow back to the fellowship boiler B, have.

FIG. 3 is a perspective view of a second embodiment of a diesel particulate filter for a harmonized boiler according to the present invention, and FIG. 4 is a view for explaining an internal configuration of the exhaust gas dust collecting apparatus of FIG.

As shown in FIG. 4, the second embodiment of the exhaust gas collector for a harmony boiler according to the present invention includes a heat exchange tank C in which a heating medium is stored, as shown in FIG. 4, A firebox F and an exhaust pipe P for exhausting the exhaust gas generated in the firebox. At this time, the harmonics boiler of the second embodiment has a large capacity, so that the exhaust gas exhausted to the exhaust pipe P has a lot of exhaust heat (waste heat) as well as contaminants.

The second embodiment of the exhaust gas dust collecting apparatus for a furnace boiler includes a tank 110 having an inlet through which exhaust gas exhausted from the exhaust pipe P of the harmonics boiler B flows and an exhaust flue through which the exhaust gas is exhausted; A spray pipe 120 installed at the ceiling of the tank 110 for spraying water with the exhaust gas to collect pollutants contained in the exhaust gas flowing into the inlet; A circulation motor 130 for collecting the pollutants and then falling and circulating the collected water to the injection pipe 120; A drain valve (140) for draining the water having a high degree of pollution as the amount of pollutants collected increases; A water supply valve 150 for supplying clean water to the tank 110 by an amount of water to be drained; And a water level holding part 160 interlocked with the water supply valve 150 so that the water collected inside the tank 110 maintains a constant water level.

The tank 110 includes an upper tank 111 in which an inlet 111a through which exhaust gas exhausted from the exhaust pipe P is formed, a lower tank 113 located at a lower side of the upper tank, A guide duct 115 connecting the upper tank 113 and the lower tank 113, and an exhaust duct 117 exhausting the exhaust gas.

The upper tank 111 is located on the upper side of the fellowship boiler B and the exhaust pipe P is coupled to the inlet 111a. At this time, the inlet 111a protrudes from the bottom of the upper tank 111 so that the water injected from the inside of the upper tank 111 does not flow back to the exhaust pipe P.

The lower tank 113 is located on the lower side of the upper tank 111 and preferably on the lower side of the furnace boiler B and is connected to the guide duct 115 so that the water in the upper tank 111 flows into the guide duct 115 to the lower tank 113. [ At this time, a window 113a is provided on the side of the lower tank 113 for checking the turbidity of the water to be collected from the outside.

The guide duct 115 guides the exhaust gas passing through the upper tank 111 to the lower tank 113 and discharges the water dropped into the upper tank 111 after being sprayed from the spray pipe 120 into the lower tank 113 .

The exhaust flue 117 is preferably connected to the lower tank 113 at a position spaced apart from the guide duct 115. Accordingly, the exhaust gas flowing into the upper tank 111 is exhausted to the exhaust flue 117 via the lower duct 113 after passing through the guide duct 115, so that the path through which the exhaust gas is conveyed is extended It is possible to effectively collect and remove contaminants in the exhaust gas.

On the other hand, in the exhaust flue 117, an exhaust blower 117a for pressurizing the exhaust gas to the inside of the exhaust flue 117 may be provided. The exhaust gas is discharged at a high speed and at the same time a negative pressure is formed in the upper tank 111 and the lower tank 113 and the exhaust gas is discharged from the lower tank 113 Smoothly to the exhaust year 117.

 Since the tank 110 has the upper tank 111, the lower tank 113, the guide duct 115 and the exhaust flue 117, the pollutants contained in the exhaust gas flowing into the inlet port 111a are discharged to the outside through the injection pipe The pollutants contained in the exhaust gas are guided to the guide duct 115 while the water is guided to the lower tank 113 through the guide duct 115 together with the exhaust gas. And is collected in the secondary from the inside. Accordingly, the pollutants contained in the exhaust gas are effectively collected and removed.

The spray tube 120 is installed on the ceiling side of the upper tank 111 and injects the water to be showered, and a plurality of nozzles 121 directed toward the lower side are formed. At this time, the interval between the nozzles 121 can be made narrower so that the water sprayed from the nozzle 121 can be sprayed over a wide area, and the contaminants contained in the exhaust gas can be collected more effectively. The water that collects the pollutants falls into the upper tank 111.

The circulation motor 130 circulates water collected in the lower tank 113 to the injection pipe 120. The amount of water consumed in treating the pollutant by the circulating motor 130 can be reduced.

The drain valve 140 is for draining the polluted water collected in the lower tank 113, that is, the water having increased turbidity by collecting many pollutants.

The circulation motor 130 circulates the water collected at the bottom of the lower tank 113 to the injection pipe 120. If the water contains many contaminants, the viscosity increases, . In this case, the drain valve 140 is opened to drain contaminated water.

The water supply valve 150 is for supplementing the water drained by being opened when the drain valve 140 is opened.

The water level holding unit 160 maintains the water level of the water collected in the lower tank 113 at a constant level.

When the drain valve 140 is opened to drain the polluted water, the water supply valve 150 is opened to allow clean water to flow into the lower tank 113. At this time, The water supply valve 150 is selectively opened and closed. The water level of the water introduced through the water supply valve 150 becomes excessively high so that the exhaust gas guided through the guide duct 115 is discharged to the exhaustion circulation 117 So that the exhaust gas is not exhausted.

On the other hand, in case of a large volume of harmonics boiler, the exhaust gas contains a lot of exhaust heat (waste heat). In order to recover such exhaust heat, a heat exchange pipe 170 through which a heating medium flows is immersed in the water collected in the lower tank 113. At this time, the heat exchange pipe 170 has a zigzag shape in the pipe to increase the contact area with the immersed water. The heat exchange pipe 170 is connected to the heat exchange tank C of the fellowship boiler so that the heat medium circulates, or is connected to a separate hot water tank to circulate the heat medium.

Since the exhaust gas contains not only contaminants but also a large amount of exhaust heat, the water sprayed from the spray tube 120 is dropped after the exhaust heat is primarily recovered from the upper tank 111, and then the water recovered from the exhaust heat is guided The exhaust heat remaining in the exhaust gas flowing through the guide duct 115 while it flows into the lower tank 113 through the duct 115 is recovered again. Accordingly, the temperature of the water collected in the lower tank 113 is increased.

The heat exchange pipe 170 may collect heat from the water collected in the lower tank 113 and then supply the heat to the heat exchange tank of the refractory boiler or to a separate hot water tank, thereby increasing the heat exchange efficiency. In addition, the heat exchange pipe 170 lowers the temperature of the water collected in the lower tank 113 through heat exchange, thereby minimizing the generation of steam.

As described above, according to the first and second embodiments of the exhaust gas dust collecting apparatus for a furnace boiler according to the present invention, contaminants can be effectively removed from the exhaust gas exhausted from the harmonics boiler to exhaust only clean exhaust gas, Even if the boiler is used in the city center, it does not have to harm the surrounding households.

Further, the exhaust gas dust collecting apparatus of the present invention can be applied without modifying the existing harmonics boiler, so that it has versatility.

Also, the amount of water consumed in collecting the pollutants can be minimized by collecting the water sprayed from the spray tubes 20 (120) and supplying the water to the spray tubes (20) 120 again.

The exhaust heat (waste heat) contained in the exhaust gas is recovered, thereby maximizing the thermal efficiency.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

10 ... tanks 10a, 10b ... upper and lower spaces
11 ... inlet 12 ... exhaust year
13 ... window 14 ... diaphragm
20 ... nozzle 21 ... nozzle
30 ... circulating motor 40 ... drain valve
50 ... water supply valve 60 ... water level maintenance section
110 ... tank 111 ... upper tank
111a ... inlet 113 ... lower tank
113a ... window 115 ... guide duct
117 ... exhaust year 117a ... exhaust blower
120 ... spray tube 121 ... nozzle
130 ... circulating motor 140 ... drain valve
150 ... water supply valve 160 ... water level maintenance unit
170 ... Heat exchange pipe

Claims (6)

(B) including a heat exchange tank (C) in which a heating medium is stored, a firebox (F) formed inside the heat exchange tank and burning harmonious wood, and an exhaust pipe (P) for exhausting the exhaust gas generated in the firebox, As shown in FIG.
A tank (10) (110) having an inlet through which exhaust gas exhausted from the exhaust pipe (P) flows and an exhaust flue through which the exhaust gas is exhausted;
A spraying pipe (20) (120) installed on the ceiling of the tank (10) (110) for spraying water with the exhaust gas for collecting contaminants contained in the exhaust gas flowing into the inlet port;
A circulation motor (30) (130) for collecting the pollutants and then falling and circulating the collected water to the spray pipes (20) (120);
A drain valve (40) (140) for draining the water having a higher degree of pollution as the amount of the pollutant collected increases; And
And water supply valves (50, 150) for supplying clean water to the tanks (10, 110) by the amount of the water to be drained. The method according to claim 1,
Wherein the inlet is protruded from the bottom of the tank (10) (110) so that water injected from the inside of the tank (10) (110) does not flow back to the exhaust pipe (P). The method according to claim 1,
The tank 10 is divided into an upper space 10a and a lower space 10b by a diaphragm 14 spaced apart from the side wall of the tank 10 farther from the inlet 11 in order to increase the flow path of the exhaust gas. 10b);
Wherein the spray pipe (20) is installed on the ceiling side of the upper space (10a) and the ceiling side of the lower space (10b). The apparatus of claim 1, wherein the tank (110)
A lower tank 113 positioned at a lower side of the upper tank 111 and a lower tank 113 disposed at a lower side of the upper tank 111. The upper tank 111 has an inlet 111a through which exhaust gas exhausted from the exhaust pipe P flows, 111) and a lower tank (113); and an exhaust duct (117) through which the exhaust gas is exhausted;
The injection pipe (120) is installed on the ceiling side of the upper tank (111);
Wherein the circulation motor (130) circulates the water collected in the lower tank (113) to the injection pipe (120). 5. The method of claim 4,
Wherein the exhaust duct (117) is installed in the lower tank (113) at a position spaced apart from the guide duct (115). 5. The method of claim 4,
Wherein the water collected in the lower tank (113) is for recovering heat from the water, and the heat exchange pipe (170) is immersed therein.

Images