CN218328228U - Flue gas treatment device for gas boiler - Google Patents
Flue gas treatment device for gas boiler Download PDFInfo
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- CN218328228U CN218328228U CN202222591086.2U CN202222591086U CN218328228U CN 218328228 U CN218328228 U CN 218328228U CN 202222591086 U CN202222591086 U CN 202222591086U CN 218328228 U CN218328228 U CN 218328228U
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Abstract
The present application relates to a flue gas treatment device for a gas boiler. The flue gas treatment device of a gas boiler comprises: a flue gas treatment component; the flue gas treatment component comprises a purification shell, an inner abutting ring, a first turbulence component, a second turbulence component, a water distribution sieve plate, an air inlet pipe, an air outlet pipe, a water feeding pipe and a water discharging pipe; a cylindrical purification inner cavity is formed in the purification shell; one end of the air inlet pipe is connected to the bottom of the purification shell; one end of the air outlet pipe is connected to the upper part of the purifying shell; one end of the water feeding pipe is connected to the top of the purification shell, and one end of the water discharging pipe is connected to the bottom of the purification shell; the water distribution sieve pore plate is fixed in the purification shell and is arranged between the upper water pipe and the air outlet pipe. The flue gas treatment device of the gas boiler has the advantage of being more suitable for small and medium-sized gas boilers.
Description
Technical Field
The application relates to the technical field of flue gas purification, in particular to a flue gas treatment device of a gas boiler.
Background
Gas boilers, as their name implies, refer to boilers in which the fuel is gas, and which are more energy efficient and economical than other types of boilers.
Gas boilers can be classified into natural gas boilers, city gas boilers, coke oven gas boilers, liquefied petroleum gas boilers, methane boilers, and the like according to fuel; can be divided into a gas water boiler, a gas hot water boiler, a gas steam boiler and the like according to functions; can be divided into a vertical gas boiler and a horizontal gas boiler according to the structure; the method can be divided into a single-return gas boiler and a three-return gas boiler according to the smoke flow.
After the fuel of the gas boiler is combusted in the hearth, flue gas or exhaust tail gas can be generated, and substances such as a small amount of sulfur and the like are often contained in the fuel, so that when the flue gas is directly discharged into the atmosphere, a certain amount of acid gas can be generated, and the air quality is influenced. Therefore, in order to improve the phenomenon, high requirements are imposed on the direct discharge of the flue gas, and thus the treatment of the flue gas and the tail gas is a problem to be solved urgently. For large-scale gas-fired boilers, good treatment solutions are available, but for medium and small-scale gas-fired boilers, the material of fuel is unchanged, and if the same tail gas treatment system as that of the large-scale boiler is adopted, the cost is high, and the adaptability is weak. Therefore, the treatment of flue gas and tail gas of the existing medium-sized and small-sized gas boilers is high in cost and poor in adaptability.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a flue gas treatment apparatus for a gas boiler, which has advantages of compact structure and better adaptability to small and medium-sized gas boilers.
In one aspect of the present application, there is provided a flue gas treatment device for a gas boiler, comprising a flue gas treatment assembly;
the flue gas treatment component comprises a purification shell, an inner abutting ring, a first turbulence component, a second turbulence component, a water distribution sieve plate, an air inlet pipe, an air outlet pipe, a water feeding pipe and a water discharging pipe;
a cylindrical purification inner cavity is formed in the purification shell;
one end of the air inlet pipe is connected to the bottom of the purification shell and is communicated with the purification inner cavity; one end of the air outlet pipe is connected to the upper part of the purification shell and is communicated with the purification inner cavity;
one end of the water feeding pipe is connected to the top of the purification shell and is communicated with the purification inner cavity, and one end of the water discharging pipe is connected to the bottom of the purification shell and is communicated with the purification inner cavity;
the inner abutting ring is fixed on the inner wall of the purifying shell and is arranged above the air inlet pipe; the first turbulence assembly and the second turbulence assembly are respectively sleeved in the purification cavity, the bottom of the first turbulence assembly is abutted and placed on the inner abutting ring, and the second turbulence assembly is placed on the first turbulence assembly;
the water distribution sieve plate is fixed in the purification shell and is arranged between the upper water pipe and the air outlet pipe.
The flue gas treatment device of the gas boiler has better purification capability and needs of being more energy-saving to adapt to small and medium-sized gas boilers compared with the prior art. Firstly, the size of the whole body is controllable, and gas and liquid in a purifying inner cavity are fully mixed, so that the purifying capacity is sufficient; secondly, the flue gas can be contacted more fully through the direct contact of water and gas, and then impurities and acidic substances in the flue gas can be dissolved and removed more quickly; thirdly, water and gas are respectively diffused and disturbed for a plurality of times, so that the distribution tends to be more balanced, the contact area is larger, the contact possibility is higher, and finally, the impurity removal and purification are more efficient. In addition, because high temperature flue gas and tail gas contact with microthermal process water or circulating water for gaseous temperature reduces rapidly, and when the temperature reduced, the particulate matter will be more quick subsides for the edulcoration. Finally, when the purified gas is exhausted, the humidity is increased to facilitate subsequent processing.
Further, the first spoiler assembly comprises a tubular first cylinder and a spoiler; the axis of the first cylinder is vertically arranged; the spoilers are vertically arranged and fixedly connected in the first cylinder respectively, and a spoiling channel is formed between any two adjacent spoilers;
the bottom end of the first cylinder is placed on the inner abutment ring.
Further, the second turbulence assembly comprises a tubular second cylinder and a turbulence column, and the axis of the second cylinder is vertically placed; the turbulence columns are transversely arranged, two ends of each turbulence column are respectively fixed on the inner wall of the second cylinder, and the turbulence columns are arranged in parallel;
a turbulent flow channel is formed among the turbulent flow columns;
the second cylinder is stacked above the first cylinder.
Furthermore, the length direction of the spoiler and the length direction of the turbulence column are staggered to form an included angle.
Further, the cross-sectional shape of the spoiler is a fold line shape or a wave shape.
Further, the purification shell comprises a bottom end cover, a middle cylinder, a top cylinder and a top end cover;
the bottom end cover is connected with the bottom surface of the middle cylinder through a flange;
the bottom surface of the top cylinder is connected with the top surface of the middle cylinder through a flange;
the top surface of the top cylinder is fixedly connected with the top end cover;
the water distribution sieve plate is fixed on the bottom surface of the top barrel, a water distribution cavity is formed between the water distribution sieve plate and the top end cover, and the upper water pipe is communicated with the water distribution cavity;
an air inlet cavity is formed between the inner butting ring and the bottom end cover, and the air inlet pipe is communicated with the air inlet cavity;
a mixing cavity is formed between the top surface of the second turbulence component and the water distribution sieve plate, and the air outlet pipe is communicated with the top of the mixing cavity.
Further, the device also comprises another smoke treatment component, a guide shower pipe and an automatic drainer;
the other ends of the air inlet pipes of the two flue gas treatment components are converged and then communicated with an air inlet main pipe;
the other ends of the air outlet pipes of the two flue gas treatment components are converged and then communicated with an exhaust main pipe;
the exhaust main pipe bends downwards to form a U-shaped elbow, the bottom end of the elbow is provided with the guide shower pipe, and the guide shower pipe is provided with the automatic drainer.
Further, the exhaust system also comprises an exhaust fan which is connected to the tail end of the exhaust main pipe.
Furthermore, inlet adjusting hand valves are respectively installed on the air inlet pipes of the two flue gas treatment components, and outlet adjusting hand valves are respectively installed on the air outlet pipes of the two flue gas treatment components.
Furthermore, a first low point of the two outlet pipes after being converged to the exhaust main pipe is positioned at the elbow;
and a gap is formed between the joint of the air outlet pipe and the purification shell and the water distribution sieve plate.
For a better understanding and implementation, the present application is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of a flue gas treatment device of an exemplary gas boiler of the present application;
FIG. 2 is a side view of a flue gas treatment device of an exemplary gas boiler of the present application;
FIG. 3 is a side view of an exemplary flue gas treatment assembly of the present application;
FIG. 4 is a perspective view of a portion of an exemplary fume treatment assembly according to the present application;
FIG. 5 is a schematic perspective view of the structure shown in FIG. 4 from another perspective;
FIG. 6 is a cross-sectional view in one direction of the structure of FIG. 4;
fig. 7 is a cross-sectional view in another direction of the structure shown in fig. 4.
Detailed Description
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1-7, an exemplary flue gas treatment device for a gas boiler of the present application includes a flue gas treatment assembly;
the flue gas treatment component comprises a purification shell 10, an inner abutting ring 21, a first turbulent flow component, a second turbulent flow component, a water distribution sieve plate 26, an air inlet pipe 31, an air outlet pipe 32, an upper water pipe 33 and a drain pipe 34;
a cylindrical purification inner cavity is formed in the purification shell 10;
one end of the air inlet pipe 31 is connected to the bottom of the purifying shell 10 and is communicated with the purifying inner cavity; one end of the air outlet pipe 32 is connected to the upper part of the purification shell 10 and is communicated with the purification inner cavity;
one end of the upper water pipe 33 is connected to the top of the purification shell 10 and is communicated with the purification inner cavity, and one end of the drain pipe 34 is connected to the bottom of the purification shell 10 and is communicated with the purification inner cavity;
the inner abutting ring 21 is fixed on the inner wall of the purifying shell 10 and is arranged above the air inlet pipe 31; the first turbulence assembly and the second turbulence assembly are respectively sleeved in the purification cavity, the bottom of the first turbulence assembly is abutted and placed on the inner abutting ring 21, and the second turbulence assembly is placed on the first turbulence assembly;
the water distribution sieve plate 26 is fixed in the purification shell 10 and is arranged between the upper water pipe 33 and the air outlet pipe 32.
The application describes a flue gas treatment device for a gas boiler, which has a better purification capacity and a more energy-efficient adaptation to the needs of small and medium-sized gas boilers than the prior art. Firstly, the size of the whole body is controllable, and gas and liquid in a purifying inner cavity are fully mixed, so that the purifying capacity is sufficient; secondly, the flue gas can be contacted more fully through the direct contact of water and gas, and then impurities and acidic substances in the flue gas can be dissolved and removed more quickly; and thirdly, the water and the gas are respectively diffused and disturbed for a plurality of times, so that the distribution tends to be more balanced, the contact area is larger, the contact possibility is higher, and finally, the impurity removal and purification are more efficient. In addition, because high temperature flue gas and tail gas contact with microthermal process water or circulating water for gaseous temperature reduces rapidly, and when the temperature reduced, the particulate matter will be more quick subsides for the edulcoration. Finally, the humidity is increased when the purified gas is discharged, to facilitate subsequent processing.
In some preferred embodiments, the first spoiler assembly includes a tubular first cylinder 22 and a spoiler 24; the axis of the first cylinder 22 is vertically placed; the spoilers 24 are vertically arranged and fixedly connected in the first cylinder 22, and a spoiling channel is formed between any two adjacent spoilers 24;
the bottom end of the first cylinder 22 rests on the inner abutment ring 21.
In a preferred embodiment, the first cylinder 22 and the spoiler 24 are fixed by welding both ends of the spoiler 24 in the longitudinal direction to the inner wall of the first cylinder 22, and the spoilers 24 are disposed in parallel and in parallel. The first barrel 22 may be of at least two configurations. One of them is as shown in the attached figure, which is a whole cylinder body, and two ends of the cylinder body are opened; in this solution, the sides of the spoiler 24 are blocked and the spoiler channel can only have a vertical direction. The other scheme comprises two rings, wherein the two rings are placed in parallel, one is above the other, and the other is below the other; in this embodiment, not only are longitudinal channels formed between the spoilers 24, but also lateral flow channels are formed to discharge air from both sides.
In some preferred embodiments, the cross-sectional shape of the spoiler 24 is a dog-leg or a wave. The turbulent flow channel is a channel between the baffle plates, and the shape characteristics of the turbulent flow plate 24 make the rising of the flue gas or the tail gas vertical and turbulent; when water flow is downward, the water flow can be impacted by the inclined wall surface of the baffle plate to change the flowing direction, and the directions of the water flow and the air flow are disordered and diffused at the turbulent flow channel, so that the water and the air are contacted more fully; and the water flow is diffused into water drops after impacting the spoiler 24, so that the surface area of the water is increased, and the surface area of gas-liquid contact is larger.
In some preferred embodiments, the second spoiler assembly comprises a tubular second cylinder 23 and a spoiler post 25, wherein the axis of the second cylinder 23 is vertically placed; the flow disturbing columns 25 are transversely arranged, two ends of each flow disturbing column are respectively fixed on the inner wall of the second cylinder 23, and the flow disturbing columns 25 are arranged in parallel;
a turbulent flow channel is formed among the plurality of turbulent flow columns 25;
the second cylinder 23 is stacked above the first cylinder 22.
Further, the turbulence column is a cylinder or a square column.
The spoilers and the spoilers are made of plastic materials respectively, or the spoilers and the spoilers are made of stainless steel materials respectively.
The turbulence column 25 is provided primarily to achieve initial dispersion of the water flow and further turbulence of the air flow. The water flowing out of the water distribution sieve plate 26 is diffused but still is water flow, and when the diffused water flow impacts the turbulence columns 25, water drops are formed to splash, so that the water flow is further diffused.
In some preferred embodiments, the length direction of the spoiler 24 is staggered with the length direction of the spoiler post 25 and forms an included angle. In order to improve the turbulence effect, the length direction of the spoiler 24 is not consistent with the length direction of the spoiler post 25, for example, the length direction of the spoiler 24 is the left-right direction, so the direction of the spoiler post 25 can be the front-back direction, and the turbulence effect is improved.
The turbulence column 25 is provided to ensure the flow and rising speed of the gas while disturbing the flow. The gas-liquid contact at the spoiler 24 is sufficient, and the gas temperature is rapidly reduced, so that the gas rising speed is affected, and the spoiler column 25 is arranged, so that the gas rising speed is not greatly affected, and the exhaust speed can be ensured. And then make the processing apparatus of this application, can enough realize abundant purification and edulcoration, guarantee the smooth and easy of flue gas flow again.
In some preferred embodiments, the purge shell 10 comprises a bottom end cap 11, an intermediate cylinder 12, a top cylinder 13, and a top end cap 14;
the bottom end cover 11 is connected with the bottom surface of the middle cylinder 12 through a flange;
the bottom surface of the top cylinder 13 is connected with the top surface of the middle cylinder 12 through a flange;
the top surface of the top cylinder 13 is fixedly connected with the top end cover 14;
the water distribution sieve plate 26 is fixed on the bottom surface of the top barrel 13, a water distribution cavity is formed between the water distribution sieve plate 26 and the top end cover 14, and the upper water pipe 33 is communicated with the water distribution cavity;
an air inlet cavity is formed between the inner butting ring 21 and the bottom end cover 11, and the air inlet pipe 31 is communicated with the air inlet cavity;
a mixing cavity is formed between the top surface of the second turbulence assembly and the water distribution sieve plate 26, and the air outlet pipe 32 is communicated with the top of the mixing cavity.
In general, the purified and decontaminated water with the impurities and acidic materials directly settles and is discharged through the drain pipe 34 connected to the bottom end cap 11 without affecting the purification chamber. However, in order to prevent damage and abnormality of the elements in the purification chamber, the bottom end cap 11 and the middle cylinder 12 are flanged, and the top cylinder 13 and the middle cylinder 12 are flanged, so that they can be relatively disassembled, and thus maintenance can be performed.
In addition, the first cylinder 22 and the second cylinder 23 are respectively and movably arranged in the middle cylinder 12, and after the top cylinder 13 is separated from the middle cylinder 12, the first cylinder 22 and the second cylinder 23 can be conveniently taken out of the middle cylinder 12. Furthermore, separating the bottom end cap 11 from the intermediate cylinder 12, the inner abutment ring 21 can also be inspected and maintained.
In some preferred embodiments, another flue gas treatment assembly, a shower guide pipe 61 and an automatic drainer 62 are further included;
the other ends of the air inlet pipes 31 of the two flue gas treatment components are converged and then communicated with an air inlet main pipe 40;
the other ends of the gas outlet pipes 32 of the two flue gas treatment components are converged and then communicated with an exhaust main pipe 50;
the exhaust manifold 50 is bent downward to form a U-shaped elbow (not shown in the drawings, as shown in fig. 2), the lower end of the elbow is provided with the shower guide pipe 61, and the shower guide pipe 61 is provided with the automatic water discharge device 62.
The automatic water drainer 62 may be an electric automatic water drainer or a mechanical automatic water drainer; the water-saving type gas-water separator is mainly used for discharging water contained in gas discharged from the gas outlet pipe 32, the elbow is located at a low point, and after the water in the gas is condensed, the water is settled and gathered at the low point of the elbow, so that the water-water separator is convenient for draining condensed water in the discharged gas.
In some preferred embodiments, further comprising an exhaust blower 70, the exhaust blower 70 is connected to the end of the exhaust manifold 50. Set up air exhauster 70 to accelerate carminative speed and promote the exhaust, because the flue gas can be in purifying the intracavity by vortex and gas-liquid mixture, purify the gas pressure increase of intracavity, and then make gas boiler's exhaust fume pressure increase, and then make the pressure increase in gas boiler's the furnace, be unfavorable for the abundant burning of fuel, also do not benefit to the exhaust. Therefore, the exhaust fan 70 is arranged, which is beneficial to reducing the pressure of the flue gas and promoting the flue gas and the combustion of the hearth. In addition, it should be noted that the power of the exhaust fan 70 should be adjusted according to the combustion value and the combustion thermal efficiency in the furnace, and therefore, the exhaust fan 70 is preferably set as a variable frequency fan, so as to ensure the combustion thermal efficiency of the furnace.
In some preferred embodiments, the inlet pipes 31 of the two flue gas treatment assemblies are respectively provided with an inlet regulating hand valve (not shown, conventional hand valve), and the outlet pipes 32 of the two flue gas treatment assemblies are respectively provided with an outlet regulating hand valve (not shown, conventional hand valve). The inlet adjusting hand valve and the outlet adjusting hand valve are arranged so that the smoke processing assemblies can be switched to be used, when one smoke processing assembly is in a working state, the other smoke processing assembly is switched into the system to be standby or overhauled, and the two smoke processing assemblies do not need to work together, so that even if one smoke processing assembly fails, the smoke processing assembly can be switched into the system through the other smoke processing assembly to be used.
In some preferred embodiments, as shown, the first low point where the two outlet pipes 32 converge to the exhaust manifold 50 is at the bend;
a space is formed between the connection part of the air outlet pipe 32 and the purification shell 10 and the water distribution sieve plate 26.
In some preferred embodiments, the process water or the circulating water (the process water and the circulating water are two types of water commonly used in chemical production) flows out of the water feeding pipe 33, and the water pressure is higher than the pressure of the flue gas discharged from the furnace, so as to prevent the flue gas from entering the water feeding pipe 33.
The working principle of the smoke treatment assembly is further explained by the structure and the distribution condition shown in the attached drawings.
The flue gas or tail gas discharged after the combustion of the hearth enters one of the air inlet pipes 31 after passing through the air inlet main pipe 40, and then enters the purification inner cavity of the air inlet pipe 31 from the corresponding flue gas treatment component. The flue gas enters from the bottom of the purifying inner cavity, is disturbed and ascended by the spoilers 24 and is contacted and mixed with water for the first time at the spoilers; the gas continuously rises and is disturbed again at the disturbed flow channel and contacted and mixed with the water for the second time; the gas continuously rises, and the cavity above the second turbulence assembly is contacted and mixed with water for the third time; eventually, the gas exits through the outlet pipe 32 and into the exhaust manifold 50.
The utility model provides a gas boiler's flue gas processing apparatus carries out the purification of flue gas through circulating water or process water, and is with low costs, and the flue gas processing apparatus simple structure of this application, and the gas-liquid mixture contacts abundant, and the maintenance is easy, just also makes the cost reduction of operation and maintenance, more is suitable for in the flue gas treatment of middle-size and small-size. And, because the mode that adopts the air water mixture edulcoration to purify, purifying effect is good.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. A flue gas treatment device for a gas boiler, characterized in that: comprises a flue gas treatment component;
the flue gas treatment component comprises a purification shell, an inner abutting ring, a first turbulence component, a second turbulence component, a water distribution sieve plate, an air inlet pipe, an air outlet pipe, a water feeding pipe and a water discharging pipe;
a cylindrical purification inner cavity is formed in the purification shell;
one end of the air inlet pipe is connected to the bottom of the purification shell and is communicated with the purification inner cavity; one end of the air outlet pipe is connected to the upper part of the purification shell and is communicated with the purification inner cavity;
one end of the water feeding pipe is connected to the top of the purification shell and is communicated with the purification inner cavity, and one end of the water discharging pipe is connected to the bottom of the purification shell and is communicated with the purification inner cavity;
the inner abutting ring is fixed on the inner wall of the purifying shell and is arranged above the air inlet pipe; the first turbulence assembly and the second turbulence assembly are respectively sleeved in the purification cavity, the bottom of the first turbulence assembly is abutted and placed on the inner abutting ring, and the second turbulence assembly is placed on the first turbulence assembly;
the water distribution sieve plate is fixed in the purification shell and is arranged between the upper water pipe and the air outlet pipe.
2. The flue gas treatment apparatus for a gas boiler according to claim 1, wherein: the first turbulence assembly comprises a tubular first cylinder and a turbulence plate; the axis of the first cylinder is vertically arranged; the spoilers are vertically arranged and fixedly connected in the first cylinder respectively, and a spoiling channel is formed between any two adjacent spoilers;
the bottom end of the first cylinder is placed on the inner abutment ring.
3. The flue gas treatment apparatus for a gas boiler according to claim 2, wherein: the second turbulence assembly comprises a tubular second cylinder and a turbulence column, and the axis of the second cylinder is vertically arranged; the turbulence columns are transversely arranged, two ends of each turbulence column are respectively fixed on the inner wall of the second cylinder, and the turbulence columns are arranged in parallel;
a turbulent flow channel is formed among the turbulent flow columns;
the second cylinder is stacked above the first cylinder.
4. The flue gas treatment apparatus for a gas boiler according to claim 3, wherein: the length direction of the spoiler and the length direction of the spoiler column are staggered to form an included angle.
5. The flue gas treatment apparatus for a gas boiler according to claim 3, wherein: the cross section of the spoiler is in a zigzag shape or a wave shape.
6. The flue gas treatment apparatus for a gas boiler according to claim 3, wherein: the purifying shell comprises a bottom end cover, a middle cylinder, a top cylinder and a top end cover;
the bottom end cover is connected with the bottom surface of the middle cylinder through a flange;
the bottom surface of the top cylinder is connected with the top surface of the middle cylinder through a flange;
the top surface of the top cylinder is fixedly connected with the top end cover;
the water distribution sieve plate is fixed on the bottom surface of the top barrel, a water distribution cavity is formed between the water distribution sieve plate and the top end cover, and the upper water pipe is communicated with the water distribution cavity;
an air inlet cavity is formed between the inner butting ring and the bottom end cover, and the air inlet pipe is communicated with the air inlet cavity;
a mixing cavity is formed between the top surface of the second turbulence component and the water distribution sieve plate, and the air outlet pipe is communicated with the top of the mixing cavity.
7. The flue gas treatment apparatus for a gas boiler according to any one of claims 4 to 6, wherein: the device also comprises another smoke treatment component, a guide spraying pipe and an automatic drainer;
the other ends of the air inlet pipes of the two flue gas treatment components are converged and then communicated with an air inlet main pipe;
the other ends of the air outlet pipes of the two flue gas treatment components are converged and then communicated with an exhaust main pipe;
the exhaust main pipe bends downwards to form a U-shaped elbow, the bottom end of the elbow is provided with the guide shower pipe, and the guide shower pipe is provided with the automatic drainer.
8. The flue gas treatment apparatus for a gas boiler according to claim 7, wherein: the exhaust system also comprises an exhaust fan which is connected to the tail end of the exhaust main pipe.
9. The flue gas treatment apparatus for a gas boiler according to claim 7, wherein: and inlet adjusting hand valves are respectively installed on the air inlet pipes of the two flue gas treatment components, and outlet adjusting hand valves are respectively installed on the air outlet pipes of the two flue gas treatment components.
10. The flue gas treatment apparatus for a gas boiler according to claim 7, wherein: the first low point of the two air outlet pipes after being converged to the exhaust main pipe is positioned at the elbow;
and a gap is formed between the joint of the air outlet pipe and the purification shell and the water distribution sieve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591086.2U CN218328228U (en) | 2022-09-29 | 2022-09-29 | Flue gas treatment device for gas boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222591086.2U CN218328228U (en) | 2022-09-29 | 2022-09-29 | Flue gas treatment device for gas boiler |
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| CN218328228U true CN218328228U (en) | 2023-01-17 |
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| CN202222591086.2U Active CN218328228U (en) | 2022-09-29 | 2022-09-29 | Flue gas treatment device for gas boiler |
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