CN214009574U - Detachable water-cooling combustion type condensation boiler - Google Patents

Abstract

The utility model provides a can dismantle water-cooling burning formula condensation boiler, it include the siphonozooid and connect in the fluid tank at siphonozooid both ends, the siphonozooid includes inner tube and many outer tubes, the inner tube extends along the central axis, has the hybrid chamber, multirow trompil has been seted up on the inner tube, many outer tube parallel arrangement are around locating the outside of inner tube, and the length direction of many outer tubes with the central axis direction of inner tube is unanimous, the fluid tank has fluid inlet, fluid outlet and air inlet, fluid inlet and fluid outlet communicate with many outer tubes respectively, the air inlet with the hybrid chamber intercommunication. The utility model discloses a can dismantle water-cooling burning formula condensation boiler, its high temperature flue gas that can prevent the combustor burning production from leaking, improves boiler security performance.

Description

Detachable water-cooling combustion type condensation boiler

Technical Field

The utility model relates to a boiler technical field, concretely relates to can dismantle water-cooling burning formula condensation boiler.

Background

The condensing boiler has the characteristics of high efficiency, energy conservation and environmental protection, is the development direction of the boiler industry, and the technology of the small condensing boiler or the gas condensing water heater is gradually mature at present.

The existing boiler pushes the combustor into a containing cavity of the heat exchanger when the combustor and the heat exchanger are assembled, the water inlet end plates connected with the two ends of the heat exchanger are partially arranged in the combustor and protected without water cooling, and continuous high-temperature flue gas generated by combustion of the combustor causes damage to the end plates of the heat exchanger and even causes potential safety hazards such as boiler deflagration.

Therefore, there is a need to provide a new solution.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model discloses a can dismantle water-cooling combustion formula condensation boiler, concrete technical scheme is as follows:

the utility model provides a detachable water-cooling combustion type condensing boiler, which comprises a heat exchanger, a combustor and a sealing device, wherein the heat exchanger comprises a main heat exchange tube and is provided with a containing cavity, and the direction of the central axis of the containing cavity is consistent with that of the main heat exchange tube; the combustor is accommodated in the accommodating cavity, and two ends of the combustor respectively extend out of the accommodating cavity; the sealing devices are arranged at two ends of the accommodating cavity and are respectively connected with the main heat exchange tube and the combustor in a sealing mode.

Further, the main heat exchange tube comprises a first heat exchange tube and a second heat exchange tube, the second heat exchange tube surrounds the inner side of the first heat exchange tube, the accommodating cavity is formed in the inner side of the second heat exchange tube, one side of the first heat exchange tube and one side of the second heat exchange tube are connected with a first end plate, and the other side of the first heat exchange tube and the other side of the second heat exchange tube are connected with a second end plate.

Further, a plurality of openings are formed in the first end plate and the second end plate and communicated with the first heat exchange tubes and the second heat exchange tubes in a one-to-one correspondence mode.

Further, the combustor includes siphonozooid, first fluid tank and second fluid tank connect respectively in the both ends of siphonozooid, external inlet tube and the outlet pipe of having connected on the first fluid tank, the central axis connection direction of inlet tube and outlet pipe with the central axis direction of siphonozooid is unanimous.

Further, sealing device includes first apron, second apron and third apron, first apron is connected in the first end plate outside, and cover in hold the one end in chamber, the second apron connect in the outside of first apron, inlet tube and outlet pipe certainly hold the intracavity and outwards pass in proper order respectively first apron and second apron, the third apron is connected in the second end plate outside, and cover in hold the other end in chamber.

Further, the sealing device further comprises a sealing layer, and the sealing layer is filled between the second end plate and the third cover plate;

the outer plate of the second fluid tank is clamped outside the second end plate, and the sealing layer is filled between the outer plate and the second end plate of the second fluid tank.

Further, the first end plate has a gap with an outside of the first fluid tank.

Further, the gap between the first end plate and the outside of the first fluid tank is 2-10 mm.

Further, a sealing layer is filled between the first cover plate and the first end plate.

Further, still include the sealing washer, the sealing washer cover is located on inlet tube and the outlet pipe, just first apron and second apron are located the outer lane of sealing washer.

The utility model discloses following beneficial effect has:

1. the utility model provides a can dismantle water-cooling burning formula condensation boiler, its end plate outside that the heat exchange tube is connected sets up the apron, is connected with the end plate through lapping to it is sealed to pack aluminium silicate fiber paper or other high temperature resistant materials between apron and end plate, can prevent that the high temperature flue gas that the combustor burning produced from leaking, improves boiler security performance.

2. The utility model provides a can dismantle water-cooling burning formula condensing boiler, its apron includes first apron, second apron and third apron, and first apron is connected with the end plate, and the second apron is connected in the outside of first end plate, and the water pipe of combustor passes through first apron and second apron in proper order, not only plays sealed effect, plays the fixed action to the combustor water pipe moreover, adopt abnormal shape rubber pad to seal between first apron and the second apron, can prevent that the high temperature flue gas that the combustor burning produced from leaking, improves boiler security performance; and aluminum silicate fiber paper or other high-temperature-resistant materials are filled between the third cover plate and the end plate for sealing, so that high-temperature smoke generated by combustion of the combustor can be prevented from leaking, and the safety performance of the boiler is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a detachable water-cooled combustion type condensing boiler provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a detachable water-cooling combustion type condensing boiler provided by the embodiment of the present invention.

Fig. 3 is a schematic side view of a detachable water-cooled combustion type condensing boiler according to an embodiment of the present invention;

FIG. 4 is a schematic right-side view of FIG. 2;

FIG. 5 is a schematic left side view of FIG. 2;

FIG. 6 is a schematic cross-sectional view of FIG. 2;

FIG. 7 is an enlarged view of section I of FIG. 6;

fig. 8 is an enlarged schematic view of section ii of fig. 6.

10-an upper shell, 11-an upper water collecting tank, 20-a main heat exchanger, 21-a containing cavity, 22-a main heat exchange pipe, 221-a first heat exchange pipe, 222-a second heat exchange pipe, 223-a first end plate, 224-a second end plate, 30-a burner, 31-a water chamber, 32-a tubular body, 311-a first fluid tank, 312-a second fluid tank, 40-a lower shell, 41-a lower water collecting tank, 42-a smoke exhaust port, 50-a secondary heat exchanger, 51-a secondary heat exchange pipe, 61-a water inlet pipe, 62-a water outlet pipe, 63-a main pipe, 64-a first branch, 65-a second branch, 67-a valve, 71-a first cover plate, 72-a second cover plate, 73-a third cover plate, 74-a sealing layer and 75-a sealing ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Please refer to fig. 1 to 8. Fig. 1 is a schematic structural view of a detachable water-cooled combustion type condensing boiler provided by an embodiment of the present invention; fig. 2 is a schematic structural view of a detachable water-cooling combustion type condensing boiler provided by the embodiment of the present invention. Fig. 3 is a schematic side view of a detachable water-cooled combustion type condensing boiler according to an embodiment of the present invention; FIG. 4 is a schematic right-side view of FIG. 2; FIG. 5 is a schematic left side view of FIG. 2; FIG. 6 is a schematic cross-sectional view of FIG. 2; FIG. 7 is an enlarged view of section I of FIG. 6; fig. 8 is an enlarged schematic view of section ii of fig. 6.

As shown in fig. 1 to 8, the utility model provides a can dismantle water-cooling combustion formula condensation boiler, including the furnace body and connect in the pipeline of furnace body one side, the furnace body includes shell 10, main heat exchanger 20, combustor 30, inferior heat exchanger 50 and lower shell 40, main heat exchanger 20 install in go up in the shell 10, main heat exchanger 20 has and holds chamber 21, combustor 30 install in hold in the chamber 21, inferior heat exchanger 50 install in the shell 40 down, go up shell 10 connect in the top of shell 40 down.

The pipeline is positioned on the same side of the furnace body.

The upper housing 10 is welded or flanged to the lower housing 40.

The utility model discloses a set up inferior heat exchanger 50 in the below of main heat exchanger 20, the boiler is intake and is got into lower header tank 41 through the inlet tube to through heat transfer in advance in inferior heat exchanger 50, the water after the heat transfer in advance carries out main heat transfer in getting into main heat exchanger 20 through trunk line 63, thereby has improved and has got into water flow temperature in the main heat exchanger 20, thereby has prevented that main heat exchange tube 22 from producing the condensation and leading to main heat exchange tube 22 corrosion.

The pipeline includes inlet tube 61, outlet pipe 62, trunk line 63 and suction tube, inlet tube 61 connect in inferior heat exchanger 50's water inlet, outlet pipe 62 connect in main heat exchanger 20's delivery port, trunk line 63's both ends connect respectively in inferior heat exchanger 50's delivery port and main heat exchanger 20's water inlet, the one end of suction tube connect in main heat exchanger 20's delivery port department, the other end is connected to inferior heat exchanger 50.

The two ends of the main heat exchanger 20 are respectively connected with an upper water collecting tank 11, the upper water collecting tank 11 is communicated with the main heat exchange tube 22, the two ends of the secondary heat exchanger 50 are respectively connected with a lower water collecting tank 41, the lower water collecting tank 41 is communicated with the secondary heat exchange tube 51, and pipelines are respectively connected to the upper water collecting tank 11 and the lower water collecting tank 41. The upper water collecting tank 11 is annular and is connected with the upper shell 10 in a welding way; the lower water collecting tank 41 is square and is welded to the lower housing 40, and the water chamber 31 is circular and is welded to the burner 30.

Both ends of the suction pipe are connected to the upper water collecting tank 11 and the lower water collecting tank 41, respectively.

One end of the suction pipe is connected to the upper water collecting tank 11 near the water outlet, and the other end is connected to the water inlet or the water outlet of the lower water collecting tank 41.

The utility model discloses introduce the suction tube in the delivery port department of boiler, introduce the water inlet department of boiler with the high temperature water of boiler delivery port department to make the rivers temperature that enters main heat exchanger 20 improve to 48-49 ℃, reduced main heat exchanger 20's consumption on the one hand, reduced material cost, on the other hand improves main heat exchanger 20's heat exchange tube 22's pipe wall temperature, prevent that vapor from at the pipe wall condensation, lead to the pipe wall to corrode, postpone boiler life.

In one embodiment, the suction tube is connected at one end to the water outlet of the primary heat exchanger 20 and at the other end to the water inlet of the secondary heat exchanger 50. The water inlet of the secondary heat exchanger 50 is a high-pressure water path, and the water outlet of the primary heat exchanger 20 is a low-pressure water path. Water flow enters the secondary heat exchanger 50 through the water inlet pipe 61 and flows out of the water outlet pipe after being subjected to primary heat exchange after flowing into the primary heat exchanger 20 from the water inlet of the secondary heat exchanger 50 through the main pipe 63, meanwhile, high-temperature water at the water outlet of the primary heat exchanger 20 is introduced into the water inlet of the secondary heat exchanger 50 through the suction pipe, the high-temperature water is mixed with the water flow in the water inlet pipe 61 and then is subjected to the primary heat exchange through the secondary heat exchanger 50, the water flow subjected to the primary heat exchange enters the primary heat exchanger 20 through the main pipe 63, therefore, the water flow temperature entering the primary heat exchanger 20 is improved to 48-49 ℃, on the one hand, the power consumption of the primary heat exchanger 20 is reduced, the material cost is reduced, on the other hand, the pipe wall temperature of the primary heat exchange pipe.

In another embodiment, the suction tube is connected at one end to the water outlet of the primary heat exchanger 20 and at the other end to the water outlet of the secondary heat exchanger 50. The water outlet of the secondary heat exchanger 50 is a high-pressure water path, and the water outlet of the primary heat exchanger 20 is a low-pressure water path. Water flow enters the secondary heat exchanger 50 through the water inlet pipe 61 and is subjected to pre-heat exchange, the water flow flows into the main heat exchanger 20 from the water outlet pipe of the secondary heat exchanger 50 through the main pipe 63 to perform main heat exchange, and then flows out of the water outlet pipe, meanwhile, high-temperature water at the water outlet of the main heat exchanger 20 is introduced into the water outlet of the secondary heat exchanger 50 through the suction pipe, the water flow entering the suction pipe is mixed with the water flow subjected to the pre-heat exchange of the secondary heat exchanger 50 at the water outlet of the secondary heat exchanger 50 and enters the main heat exchanger 20 through the main pipe 63 after mixing, so that the water flow temperature entering the main heat exchanger 20 is increased to 48-49 ℃, on one hand, the power consumption of the main heat exchanger 20 is reduced, the material cost is reduced, on the other hand, the pipe wall temperature of the heat exchange pipe 22 of the main heat exchanger 20 is improved, the water vapor is prevented from being condensed on the pipe wall, the corrosion of the pipe wall is caused, and the service life of the boiler is prolonged.

In one embodiment, the suction tube is a venturi tube. Preferably, the venturi tube is a built-in venturi tube or an inserted venturi tube, and has the advantages of small resistance to fluid, large pressure difference, high precision and good stability.

In one embodiment, the suction pipe is further provided with a water pump. The utility model discloses connect the water pump on the suction tube, adopt the water pump to introduce the water inlet department of boiler through the suction tube with the high temperature water of boiler water outlet department to make the rivers temperature that enters main heat exchanger 20 improve to 48-49 ℃, reduced main heat exchanger 20's consumption on the one hand, reduced material cost, on the other hand improves main heat exchange tube 22's of main heat exchanger 20 pipe wall temperature, prevents that vapor from at the pipe wall condensation, leads to the pipe wall to corrode, postpones the boiler life-span.

The main heat exchanger 20 comprises a main heat exchange tube 22, the main heat exchange tube 22 is a carbon steel tube, the secondary heat exchanger 50 comprises a secondary heat exchange tube 51, and the secondary heat exchange tube 51 is a stainless steel tube. The wall thickness of the main heat exchange tube 22 is 1-5mm, and the length of the main heat exchange tube 22 can be determined according to the actual situation. Preferably, the main heat exchange tube 22 has a tube wall thickness of 3 mm. The utility model discloses a main heat exchange tube 22's material adopts the carbon steel preparation, increases the whole capacity of boiler through the pipe wall thickness of the main heat exchange tube 22 who increases main heat exchanger 20 on the one hand and the length of pipe, and the capacity can improve to 2800KW, has guaranteed the security performance of boiler simultaneously, on the other hand greatly reduced material cost.

The upper shell 10 is of a cylindrical structure, the central axis directions of the main heat exchanger 20 and the burner 30 are consistent with the central axis direction of the upper shell 10, the lower shell 40 is communicated with the upper shell 10, the bottom plate of the lower shell 40 inclines relative to the horizontal plane, and the length direction of the secondary heat exchanger 50 is consistent with the central axis direction of the main heat exchanger 20.

In the present invention, in order to make the condensed water generated by the secondary heat exchanger 50 smoothly flow out from the lower casing 40, the bottom plate of the lower casing 40 is set to be inclined with respect to the horizontal plane.

In one embodiment, the two ends of the burner 30 are respectively connected with a water chamber 31, the pipeline further includes a first branch 64 and a second branch 65, one end of the first branch 64 is externally connected to the main pipeline 63, the other end of the first branch is externally connected to the water chamber 31, one end of the second branch 65 is externally connected to the main pipeline 63, and the other end of the second branch is externally connected to the water chamber 31. The utility model discloses some rivers pass through trunk line 63 and get into main header tank behind the heat transfer in advance of rivers in the inlet tube 61 of well boiler through inferior heat exchanger 50, flow out from the outlet pipe after the heat transfer of main heat exchanger 20, another part rivers after the heat transfer in advance flow into the hydroecium through first branch road 64, follow second branch road 65 inflow trunk line after combustor 30 heats, therefore, the rivers temperature of main heat exchanger 20 of flowing through obtains further improvement, thereby it leads to main heat exchange tube 22 corrosion phenomenon to have prevented that main heat exchange tube 20 from producing the condensation, thereby the accessible improves the wall thickness and the length of main heat exchange tube 22 and increases the whole capacity of boiler, the capacity can improve to 2800 KW.

In one embodiment, a valve 67 is further disposed on the main pipe 63, and the valve 67 is connected between the first branch 64 and the second branch 65. When the valve 67 is in a closed state, water in the boiler water inlet pipe 61 passes through the secondary heat exchanger 50 for pre-heat exchange, flows into the burner 30 from the main pipe 63 through the first branch 64 for heat exchange, flows into the main pipe 63 from the second branch 65 after heat exchange, and finally flows into the primary heat exchanger 20 for heat exchange. The utility model discloses the rivers after 50 heat transfer in advance of inferior heat exchanger enter main heat exchanger 20 after 30 heat transfer once more through combustor, can further improve main heat exchanger 20's heat exchange efficiency, reduce main heat exchanger 20's consumption.

The lower shell 40 further comprises a smoke exhaust 42, wherein the smoke exhaust 42 is arranged on one side of the lower shell 40 and is positioned below the secondary heat exchanger 50.

The boiler also comprises a furnace frame, and the furnace body is arranged on the furnace frame.

Referring to fig. 6 to 8, as shown in fig. 6 to 8, the detachable water-cooled combustion type condensing boiler further includes a sealing device. The main heat exchanger 20 comprises a main heat exchange tube 22 which is provided with an accommodating cavity 21, and the central axis direction of the accommodating cavity 21 is consistent with the central axis direction of the main heat exchange tube 22; the burner 30 is accommodated in the accommodating cavity 21, and two ends of the burner 30 respectively extend out of the accommodating cavity 21; the sealing devices are arranged at two ends of the accommodating cavity 21 and are respectively connected with the main heat exchange tube 22 and the combustor 30 in a sealing manner.

The main heat exchange tube 22 comprises a first heat exchange tube 221 and a second heat exchange tube 222, the second heat exchange tube 222 surrounds the inner side of the first heat exchange tube 221, the accommodating cavity 21 is formed at the inner side of the second heat exchange tube 222, one side of the first heat exchange tube 221 and one side of the second heat exchange tube 222 are connected with a first end plate 223, and the other side of the first heat exchange tube 221 and the other side of the second heat exchange tube 222 are connected with a second end plate 224. A plurality of openings are formed in the first end plate 223 and the second end plate 224, and the plurality of openings are respectively communicated with the first heat exchange tube 221 and the second heat exchange tube 222 in a one-to-one correspondence manner.

The combustor comprises a water chamber 31 and a tubular body 32, the water chamber comprises a first fluid tank 311 and a second fluid tank 312, the first fluid tank 311 and the second fluid tank 312 are respectively connected to two ends of the tubular body 32, the first fluid tank 311 is externally connected with a water inlet pipe and a water outlet pipe, and the connection direction of the central axis of the water inlet pipe and the central axis of the water outlet pipe is consistent with the direction of the central axis of the tubular body 32; sealing device includes first apron 71, second apron 72 and third apron 73, first apron 71 is connected in the first end plate 223 outside, and cover in the one end that holds chamber 21, second apron 72 connect in the outside of first apron 71, inlet tube and outlet pipe certainly hold the intracavity 21 inside outwards pass in proper order respectively first apron 71 and second apron 72, third apron 73 is connected in the second end plate 224 outside, and cover in hold the other end in chamber 21.

Further, a sealing layer 74 is filled between the first cover plate 71 and the first end plate 223.

The sealing device further comprises a sealing layer 74, wherein the sealing layer 74 is filled between the second end plate 224 and the third cover plate 73; the sealing layer 74 is made of alumina silicate fiber paper or other high temperature resistant materials.

The outer plate of the second fluid tank 312 is engaged with the outer side of the second end plate 224, and the sealing layer 74 is filled between the outer plate of the second fluid tank 312 and the second end plate 224.

The first end plate 223 has a gap with the outside of the first fluid tank 311. The gap between the first end plate 223 and the outside of the first fluid tank 311 is 2-10 mm.

Still include sealing washer 75, sealing washer 75 the cover is located on inlet tube and the outlet pipe, just first apron 71 and second apron 72 are located the outer lane of sealing washer 75. The seal ring 75 is a special-shaped rubber pad seal ring.

In one embodiment, a sealing layer 74 is filled between the first cover plate 71 and the second cover plate 72, and the sealing layer 74 is made of aluminum silicate fiber paper or other high temperature resistant materials.

The utility model discloses following beneficial effect has:

1. the utility model provides a can dismantle water-cooling burning formula condensation boiler, its main heat exchanger 20 undertakes heat transfer device as main, and its main heat exchanger 20 adopts carbon steel material preparation, material cost greatly reduced to the accessible increases main heat exchange tube 22's pipe thickness, increases the security performance, improves the boiler capacity, and its capacity can improve to 2800 KW.

2. The utility model provides a can dismantle water-cooling burning formula condensing boiler, its rivers that get into the boiler carry out the heat transfer in advance through time heat exchange tube 51 earlier, and main heat exchange tube 22 of flowing through again carries out main heat transfer, improves the rivers temperature that gets into main heat exchanger 20, can prevent that main heat exchange tube 22 from producing the comdenstion water and corroding main heat exchange tube 22.

3. The utility model provides a can dismantle water-cooling burning formula condensation boiler adopts stainless steel material to make, can prevent that the heat exchange tube of inferior heat exchanger 51 from taking place the condensation to produce and corrode.

4. The utility model provides a can dismantle water-cooling burning formula condensation boiler, its delivery port department at the boiler introduces the suction tube, introduces the water inlet department of boiler with the high temperature water of boiler delivery port department to make the rivers temperature that enters main heat exchanger 20 improve to 48-49 ℃, reduced main heat exchanger 20's consumption on the one hand, reduced material cost, on the other hand improves the pipe wall temperature of main heat exchanger 20's heat exchange tube, prevent that vapor from at the pipe wall condensation, lead to the pipe wall to corrode, postpone boiler life.

5. The utility model provides a can dismantle water-cooling burning formula condensation boiler, its suction tube adopt interior concealed venturi or bayonet venturi, and the resistance that the fluid produced is little, and pressure differential is big, and the precision is high and stability is good.

6. The utility model provides a can dismantle water-cooling burning formula condensation boiler, it connects the water pump on the suction tube, adopt the water pump to pass through the suction tube with the high temperature water of boiler water outlet department and introduce the water inlet department of boiler to make the rivers temperature that enters main heat exchanger 20 improve to 48-49 ℃, reduced main heat exchanger 20's consumption on the one hand, reduced material cost, on the other hand improves the pipe wall temperature of main heat exchanger 20's heat exchange tube, prevent that vapor from at the pipe wall condensation, lead to the pipe wall to corrode, postpone boiler life.

7. The utility model provides a can dismantle water-cooling burning formula condensation boiler, its end plate outside that the heat exchange tube is connected sets up the apron, is connected with the end plate through lapping to it is sealed to pack aluminium silicate fiber paper or other high temperature resistant materials between apron and end plate, can prevent that the high temperature flue gas that combustor 30 burning produced from leaking, improves boiler security performance.

8. The utility model provides a can dismantle water-cooling burning formula condensing boiler, its apron includes first apron 71, second apron 72 and third apron 73, and first apron 71 is connected with the end plate, and second apron 72 is connected in the outside of first end plate 223, and the water pipe of combustor 30 passes first apron 71 and second apron 72 in proper order, not only plays sealed effect, but also plays the fixed action to combustor 30 water pipe, adopt abnormal shape rubber pad to seal between first apron 71 and the second apron 72, can prevent that the high temperature flue gas that combustor 30 burning produced from leaking, improves boiler security performance; aluminum silicate fiber paper or other high-temperature-resistant materials are filled between the third cover plate 73 and the second end plate 224 for sealing, so that high-temperature flue gas generated by combustion of the combustor 30 can be prevented from leaking, and the safety performance of the boiler is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The detachable water-cooled combustion type condensing boiler is characterized by comprising a heat exchanger, a combustor (30) and a sealing device, wherein the heat exchanger comprises a main heat exchange tube (22) which is provided with an accommodating cavity (21), and the direction of the central axis of the accommodating cavity (21) is consistent with the direction of the central axis of the main heat exchange tube (22); the burner (30) is accommodated in the accommodating cavity (21), and two ends of the burner (30) respectively extend out of the accommodating cavity (21); the sealing devices are arranged at two ends of the accommodating cavity (21) and are respectively connected with the main heat exchange tube (22) and the combustor (30) in a sealing mode.

2. A detachable water-cooled combustion type condensing boiler according to claim 1, characterized in that said main heat exchanging pipe (22) comprises a first heat exchanging pipe (221) and a second heat exchanging pipe (222), said second heat exchanging pipe (222) surrounds the inside of said first heat exchanging pipe (221), said accommodating chamber (21) is formed inside said second heat exchanging pipe (222), a first end plate (223) is connected to one side of said first heat exchanging pipe (221) and said second heat exchanging pipe (222), and a second end plate (224) is connected to the other side of said first heat exchanging pipe (221) and said second heat exchanging pipe (222).

3. The detachable water-cooled combustion type condensing boiler according to claim 2, wherein said first end plate (223) and said second end plate (224) are opened with a plurality of openings, and said plurality of openings are respectively communicated with said first heat exchanging pipe (221) and said second heat exchanging pipe (222) in a one-to-one correspondence.

4. The detachable water-cooled combustion type condensing boiler according to claim 2, characterized in that said burner (30) comprises a tubular body (32), a first fluid tank (311) and a second fluid tank (312), said first fluid tank (311) and said second fluid tank (312) are connected to two ends of said tubular body (32), said first fluid tank (311) is externally connected with a water inlet pipe (61) and a water outlet pipe (62), and the central axis connecting direction of said water inlet pipe (61) and said water outlet pipe (62) is consistent with the central axis direction of said tubular body (32).

5. A detachable water-cooled combustion type condensing boiler according to claim 4, characterized in that said sealing means comprises a first cover plate (71), a second cover plate (72) and a third cover plate (73), said first cover plate (71) is connected to the outside of the first end plate (223) and covers the one end of said accommodating cavity (21), said second cover plate (72) is connected to the outside of said first cover plate (71), said inlet pipe (61) and outlet pipe (62) pass through said first cover plate (71) and second cover plate (72) from the inside to the outside of said accommodating cavity (21) in turn, said third cover plate (73) is connected to the outside of said second cover plate (72) and covers the other end of said accommodating cavity (21).

6. The detachable water-cooled combustion condensing boiler according to claim 5, characterized by that said sealing means further comprises a sealing layer (74), said sealing layer (74) being filled between said second end plate (224) and a third cover plate (73);

an outer plate of the second fluid tank (312) is engaged with the outer side of the second end plate (224), and the seal layer (74) is filled between the outer plate of the second fluid tank (312) and the second end plate (224).

7. The detachable water-cooled combustion condensing boiler according to claim 5, characterized by that said first end plate (223) has a gap with the outside of said first fluid tank (311).

8. The detachable water-cooled combustion condensing boiler according to claim 7, characterized by the fact that the gap between the first end plate (223) and the outside of the first fluid tank (311) is 2-10 mm.

9. The detachable water-cooled combustion condensing boiler according to claim 6, characterized by that between said first cover plate (71) and first end plate (223) is filled a sealing layer.

10. The detachable water-cooled combustion type condensing boiler according to claim 5, further comprising a sealing ring (75), wherein the sealing ring (75) is sleeved on the water inlet pipe (61) and the water outlet pipe (62), and the first cover plate (71) and the second cover plate (72) are located at the outer ring of the sealing ring (75).

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