CN211233360U - Biomass reverse-combustion multi-return-pipe hot water boiler - Google Patents

Abstract

The utility model relates to a boiler technical field specifically is a many return stroke pipe boiler are burnt to living beings, including the boiler main part, supreme air inlet storehouse, coal feeding bin and the burning storehouse of being equipped with in proper order are down followed to the bottom of boiler main part inner wall, and the boiler main part is internal and be located the square position in burning storehouse and be equipped with the big smoke-collecting box of first big smoke-collecting box and second, is equipped with the little smoke-collecting box of long thin nest of tubes and second between the big smoke-collecting box of first big smoke-collecting box and second, and the surface of the big smoke-collecting box of second is equipped with the first short thin nest of tubes, and the top of first short thin nest of tubes is equipped with the little smoke-collecting box of third. This many return strokes of living beings anti-fever pipe boiler can carry out the flue gas return stroke operation to the thick pipeline group at first little collection smoke box top through first big collection smoke box, can carry out the flue gas return stroke operation to the thick pipeline group at the little collection smoke box top of second through the big collection smoke box of second to realize the many return strokes of flue gas heating, make more abundant of heat utilization.

Description

Biomass reverse-combustion multi-return-pipe hot water boiler

Technical Field

The utility model relates to a boiler technical field specifically is a living beings are anti-burns many return journey pipe boiler.

Background

Biomass energy is an important component of renewable energy, the use of the renewable energy has a very positive effect on solving the problems of energy and ecological environment, the biomass energy is applied more in a hot water boiler at present, the hot water boiler adopting the biomass combustion water supply heating mainly moves in a pipeline through high-temperature flue gas to heat water outside the pipeline, but the flue gas return pipes in the existing hot water boiler are fewer, the utilization rate of heat energy is insufficient, and the heat loss is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many return strokes of living beings anti-fever pipe boiler to the flue gas return stroke pipe that proposes in the current boiler of hot water among the above-mentioned background art leads to the insufficient problem of utilization ratio to heat energy less.

In order to achieve the above object, the utility model provides a following technical scheme:

a biomass anti-combustion multi-return-pipe hot water boiler comprises a boiler main body, wherein a smoke outlet pipe is arranged on the circumferential outer wall of the boiler main body and close to the top edge, a hot water pipe is further arranged on the circumferential outer wall of the boiler main body and close to the top edge, a first sealing cover is arranged at the top of the boiler main body, a water supplementing pipe communicated with the outside is arranged at the surface center of the first sealing cover, an air inlet bin, a coal feeding bin and a combustion bin are sequentially arranged at the bottom of the inner wall of the boiler main body from bottom to top, a water return pipe is arranged on the circumferential outer wall of the boiler main body and at the top edge of the combustion bin, a first large smoke collecting box and a second large smoke collecting box are arranged in the boiler main body and at the square position of the combustion bin, a long-thin pipe group and a first small smoke collecting box are arranged between the first large smoke collecting box and the combustion bin, and a second short-thin pipe group is arranged between the first small smoke collecting box and the, first little collection smoke box with be equipped with thick pipeline group between the first big collection smoke box, first big collection smoke box with be equipped with long thin nest of tubes and the little collection smoke box of second between the big collection smoke box of second, the little collection smoke box of second with also be equipped with between the first big collection smoke box the short thin nest of tubes of second, the little collection smoke box of second with also be equipped with thick pipeline group between the big collection smoke box of second, the surface of the big collection smoke box of second is equipped with first short thin nest of tubes, the top of first short thin nest of tubes is equipped with the little collection smoke box of third, the top of the little collection smoke box of third with the one end intercommunication of play tobacco pipe.

Preferably, the circumferential outer wall of the boiler main body is hinged with a single door at the middle positions of the air inlet bin, the coal feeding bin and the inner wall of the combustion bin.

Preferably, the first large smoke collecting box and the second large smoke collecting box are identical, three connecting blocks arranged in an annular array are arranged on the circumferential outer wall of the second large smoke collecting box and located at the edge of the bottom of the second large smoke collecting box, and the end portions of the connecting blocks are welded with the inner wall of the boiler main body.

Preferably, the inner wall of the combustion chamber is provided with a feeding pipe communicated with the outside, and the end part of the feeding pipe is sleeved with a second sealing cover.

Preferably, long tubule group comprises nine long thin pipelines, the short tubule of second group comprises seven short tubules, first short thin pipeline group comprises three short tubules, thick pipeline group comprises three thick pipelines.

Compared with the prior art, the beneficial effects of the utility model are that:

this anti-many return strokes of burning of living beings pipe boiler, can carry out the flue gas return stroke operation to the thick pipeline group at first little album of smoke box top through first big collection smoke box, can carry out the flue gas return stroke operation to the thick pipeline group at the little album of smoke box top of second through the big collection smoke box of second, the flue gas in first little collection smoke box and the little collection smoke box of second can mix with the return stroke flue gas, the flue gas that makes the return stroke heaies up, thereby realize the many return strokes of flue gas heating, make more abundant that the heat utilized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross section and the internal structure of the boiler body according to the present invention;

fig. 3 is a schematic view of a sectional structure of a second large smoke collecting box part in the present invention.

In the figure: the boiler comprises a boiler body 1, a smoke outlet pipe 10, a hot water pipe 11, a water return pipe 12, a first sealing cover 13, a water supplementing pipe 130, an air inlet bin 14, a coal feeding bin 15, a combustion bin 16, a feeding pipe 17, a second sealing cover 170, a single-opening door 18, a first large smoke collecting box 2, a second large smoke collecting box 3, a first short and thin pipe group 30, a connecting block 31, a first small smoke collecting box 4, a second small smoke collecting box 5, a third small smoke collecting box 6, a long and thin pipe group 7, a second short and thin pipe group 8 and a thick pipeline group 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a biomass reverse-burning multi-return-pipe hot water boiler comprises a boiler main body 1, a smoke outlet pipe 10 is arranged on the circumferential outer wall of the boiler main body 1 and close to the top edge, a hot water pipe 11 is further arranged on the circumferential outer wall of the boiler main body 1 and close to the top edge, heated water is output to a heat supply pipeline from the hot water pipe 11, a first sealing cover 13 is arranged on the top of the boiler main body 1, a water replenishing pipe 130 communicated with the outside is arranged in the center of the surface of the first sealing cover 13, when water in the boiler is insufficient, water is replenished to the boiler through the water replenishing pipe 130, an air inlet bin 14, a coal feeding bin 15 and a combustion bin 16 are sequentially arranged at the bottom of the inner wall of the boiler main body 1 from bottom to top, oxygen is replenished into the boiler through the air inlet bin 14, the biomass in the combustion bin 16 can be stably combusted, a return pipe 12 is arranged on the circumferential outer wall of the boiler main body, water in the heat supply pipeline is returned to the boiler through a return pipe 12 to realize water circulation, a first large smoke collection box 2 and a second large smoke collection box 3 are arranged in a boiler main body 1 and at a position right above a combustion chamber 16, a long thin pipe group 7 and a first small smoke collection box 4 are arranged between the first large smoke collection box 2 and the combustion chamber 16, smoke generated in the combustion chamber 16 enters the first large smoke collection box 2 from the long thin pipe group 7, a second short thin pipe group 8 is arranged between the first small smoke collection box 4 and the combustion chamber 16, smoke generated in the combustion chamber 16 enters the first small smoke collection box 4 from the second short thin pipe group 8, a thick pipe group 9 is arranged between the first small smoke collection box 4 and the first large smoke collection box 2, the smoke in the first large smoke collection box 2 is discharged downwards into the first small smoke collection box 4 through the thick pipe group 9 to realize secondary heating after return stroke of the smoke, and a long thin pipe group 7 and a second small smoke collection box 5 are arranged between the first large smoke collection box 2 and the second large smoke collection box 3, the flue gas in the first large smoke collecting box 2 enters the second large smoke collecting box 3 from the long thin pipe group 7, a second short thin pipe group 8 is also arranged between the second small smoke collecting box 5 and the first large smoke collecting box 2, the flue gas in the first large smoke collecting box 2 enters the second small smoke collecting box 5 from the second short thin pipe group 8, a thick pipeline group 9 is also arranged between the second small smoke collecting box 5 and the second large smoke collecting box 3, the flue gas in the second large smoke collecting box 3 is downwards discharged into the second small smoke collecting box 5 through the thick pipeline group 9, so that the flue gas is heated again in a return stroke, the surface of the second large smoke collecting box 3 is provided with the first short thin pipe group 30, the top end of the first short thin pipe group 30 is provided with the third small smoke collecting box 6, the flue gas in the second large smoke collecting box 3 is discharged into the third small smoke collecting box 6 through the first short thin pipe group 30, the top of the third small smoke collecting box 6 is communicated with one end of the smoke outlet pipe 10, and the flue gas is discharged from the boiler through the external smoke discharging device 10, and finally, discharging the waste water to the outside after filtration treatment.

In this embodiment, the circumferential outer wall of the boiler body 1 is hinged to a single-door 18 at the middle positions of the inner walls of the air inlet bin 14, the coal feeding bin 15 and the combustion bin 16, so that the insides of the air inlet bin 14, the coal feeding bin 15 and the combustion bin 16 can be cleaned conveniently.

Specifically, first big collection smoke box 2 is the same with big collection smoke box 3 of second, and the circumference outer wall of the big collection smoke box 3 of second just is located the position at bottom edge and is equipped with three connecting block 31 of arranging with annular array, and the tip of connecting block 31 and the inner wall welding of boiler body 1 make first big collection smoke box 2 and the big collection smoke box 3 of second can with the inner wall fixed position of boiler body 1.

Furthermore, the inner wall of the combustion chamber 16 is provided with a feeding pipe 17 communicated with the outside, the biomass blocks are fed into the combustion chamber 16 through the feeding pipe 17, and the end part of the feeding pipe 17 is sleeved with a second sealing cover 170, so that the feeding pipe 17 can be closed after the biomass blocks are added.

Besides, long tubule group 7 comprises nine long thin pipelines, second short thin pipe group 8 comprises seven short tubules, first short thin pipe group 30 comprises three short tubules, the pipeline in first short thin pipe group 30 is small in quantity, can ensure that the flue gas can not enter into the little smoke collecting box 6 of third very fast, thick pipe group 9 comprises three thick pipelines, ensure that the flue gas in first big smoke collecting box 2 and the big smoke collecting box 3 of second can carry out the return stroke heating through thick pipe group 9 to the little smoke collecting box of below.

When the biomass reverse-combustion multi-return-pipe hot water boiler is used, a user adds fire coal into the coal feeding bin 15, then the biomass blocks are fed into the combustion bin 16 through the feeding pipe 17, smoke generated in the combustion bin 16 can respectively enter the first large smoke collection box 2 and the first small smoke collection box 4 through the long and thin pipe group 7 and the second short and thin pipe group 8, the smoke entering the first large smoke collection box 2 can respectively enter the second short and thin pipe group 8 and the long and thin pipe group 7 at the top of the first large smoke collection box, and finally respectively enters the second large smoke collection box 3 and the second small smoke collection box 5, because the pipe diameter of the second short and thin pipe group 8 is smaller than that of the thick pipe group 9, part of smoke of the first large smoke collection box 2 can downwards enter the first small smoke collection box 4 from the thick pipe group 9, so as to realize first smoke return-return heating, part of smoke in the second large smoke collection box 3 can enter the second small smoke collection box 5 from the thick pipe group 9, the second flue gas return heating is realized, and along with the continuous generation of flue gas, the flue gas can enter the third small smoke collecting box 6 from the first short and thin tube group 30 along with the airflow, and is finally discharged to the flue gas filtering device from the smoke outlet tube 10, and is discharged to the outside after being filtered.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a living beings are anti-burns many return pipes hot water boiler, includes boiler main part (1), its characterized in that: the utility model discloses a boiler, including boiler body (1), the circumference outer wall of boiler body (1) and the position that is close to the top edge are equipped with out tobacco pipe (10), the circumference outer wall of boiler body (1) and the position that is close to the top edge still are equipped with hot-water line (11), the top of boiler body (1) is equipped with first sealed lid (13), the surperficial center department of first sealed lid (13) is equipped with moisturizing pipe (130) with external intercommunication, supreme air inlet storehouse (14), coal feeding storehouse (15) and burning storehouse (16) are equipped with down in proper order in the bottom of boiler body (1) inner wall, the circumference outer wall of boiler body (1) just is located burning storehouse (16) top edge's position is equipped with return water pipe (12), just be located in boiler body (1) burning storehouse (16) square position is equipped with first big collection smoke box (2) and second big collection smoke box (3), first big collection smoke box (2) with be equipped with long thin nest of tubes (7) and first little collection smoke box (16) between burning storehouse ( A second short and thin tube group (8) is arranged between the first small smoke collecting box (4) and the combustion bin (16), a thick pipeline group (9) is arranged between the first small smoke collecting box (4) and the first large smoke collecting box (2), a long thin pipe group (7) and a second small smoke collecting box (5) are arranged between the first large smoke collecting box (2) and the second large smoke collecting box (3), the second short and thin pipe group (8) is also arranged between the second small smoke collecting box (5) and the first large smoke collecting box (2), a thick pipeline group (9) is also arranged between the second small smoke collecting box (5) and the second large smoke collecting box (3), the surface of the second large smoke collecting box (3) is provided with a first short thin tube group (30), the top end of the first short thin tube group (30) is provided with a third small smoke collecting box (6), the top of the third small smoke collecting box (6) is communicated with one end of the smoke outlet pipe (10).

2. The biomass counter-fired multi-pass tube hot water boiler according to claim 1, characterized in that: the boiler is characterized in that the circumferential outer wall of the boiler main body (1) is hinged to a single-door (18) at the middle positions of the air inlet bin (14), the coal feeding bin (15) and the inner wall of the combustion bin (16).

3. The biomass counter-fired multi-pass tube hot water boiler according to claim 1, characterized in that: the first large smoke collecting box (2) is the same as the second large smoke collecting box (3), three connecting blocks (31) which are arranged in an annular array are arranged on the circumferential outer wall of the second large smoke collecting box (3) and at the position of the edge of the bottom of the second large smoke collecting box, and the end parts of the connecting blocks (31) are welded with the inner wall of the boiler main body (1).

4. The biomass counter-fired multi-pass tube hot water boiler according to claim 1, characterized in that: the inner wall of the combustion bin (16) is provided with a feeding pipe (17) communicated with the outside, and the end part of the feeding pipe (17) is sleeved with a second sealing cover (170).

5. The biomass counter-fired multi-pass tube hot water boiler according to claim 1, characterized in that: long thin nest of tubes (7) comprises nine long thin pipelines, the short thin nest of tubes (8) of second comprises seven short tubules way, first short thin nest of tubes (30) comprises three short tubules way, thick pipeline group (9) comprises three thick pipelines.

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