CN220229243U - Biomass cross-flow boiler body - Google Patents
Biomass cross-flow boiler body Download PDFInfo
- Publication number
- CN220229243U CN220229243U CN202321922820.7U CN202321922820U CN220229243U CN 220229243 U CN220229243 U CN 220229243U CN 202321922820 U CN202321922820 U CN 202321922820U CN 220229243 U CN220229243 U CN 220229243U
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- Prior art keywords
- heat exchange
- header
- water pipe
- chamber
- wall
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Links
- 239000002028 Biomass Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000779 smoke Substances 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The biomass through-flow boiler body comprises an annular lower header and an upper header, wherein an inner heat exchange water pipe and an outer heat exchange water pipe which are circularly distributed are connected between the upper header and the lower header, a circular furnace wall is arranged outside the heat exchange water pipe, a lower smoke chamber is fixedly arranged at the lower part of the lower header, a biomass burner interface is connected to the side surface of the lower smoke chamber, an isolating roof is fixedly arranged on the length of the heat exchange water pipe, the isolating roof divides the heat exchange water pipe into a first heat exchange chamber positioned at the lower part and a second heat exchange chamber positioned at the upper part, an inner isolating wall surrounds the heat exchange water pipe of an inner ring, an outer isolating wall surrounds the heat exchange water pipe of an outer ring, the upper end of the outer isolating wall is higher than the isolating roof, the lower end of the outer isolating wall is not sealed with the lower header, and a first annular smoke chamber is formed between the inner ring isolating wall and the outer ring isolating wall; a second annular smoke chamber is formed between the outer ring partition wall and the furnace wall; a vertical flue is fixedly arranged in the upper header, and the smoke outlet pipe is connected to the flue. The furnace body occupies a small area.
Description
Technical Field
The utility model relates to a boiler, in particular to a through-flow boiler body adopting biomass, and belongs to the technical field of heat exchange.
Background
The tubular boiler has the advantages of small occupied area, high integration level, less water storage, quick heat medium output and the like, is suitable for occasions with small application places, generally comprises a circular furnace body, an annular lower header is fixedly arranged below the furnace body, a plurality of circles (generally two circles) of heat exchange tubes distributed circularly are arranged from inside to outside, water is output from the upper part through heating in the heat exchange tubes, a steam-water separator is also required for steam output, a burner and a blower are generally arranged at the upper part of the tubular boiler, the burner is generally used for oil gas as fuel, biomass fuel cannot be adopted by the boiler arranged at the upper part, the conventional biomass fuel tubular boiler is rare, and Chinese patent application number 2019201517511 discloses a biomass tubular evaporator, the occupied area of the furnace body of the biomass tubular evaporator is obviously high, and the utilization rate of flue gas heat is low.
Disclosure of Invention
The utility model aims to provide a biomass through-flow boiler body.
In order to achieve the purpose of the utility model, the following technical scheme is adopted: the biomass through-flow boiler body comprises an annular lower header and an upper header, wherein an inner heat exchange water pipe and an outer heat exchange water pipe which are circularly distributed are connected between the upper header and the lower header, a circular furnace wall is arranged outside the heat exchange water pipe, a steam-water separator is connected to the upper header, a heating medium outlet is positioned on the steam-water separator, backwater of the steam-water separator is connected to the lower header, a lower smoke chamber is fixedly arranged at the lower part of the lower header, the side surface of the lower smoke chamber is connected with a biomass burner interface, an ash drawing chamber is arranged below the lower smoke chamber, and an ash drawing door is arranged on the ash drawing chamber;
the length of the heat exchange water pipe is fixedly provided with an isolation roof, the isolation roof divides the heat exchange water pipe into a first heat exchange chamber positioned at the lower part and a second heat exchange chamber positioned at the upper part, an inner isolation wall surrounds the periphery of the heat exchange water pipe of the inner ring, the inner isolation wall is lower than the isolation roof, the bottom of the inner isolation wall is sealed with the lower header, an outer isolation wall surrounds the periphery of the heat exchange water pipe of the outer ring, the upper end of the outer isolation wall is higher than the isolation roof, the lower end of the outer isolation wall is not sealed with the lower header, and a first annular smoke chamber is formed between the isolation wall of the inner ring and the isolation wall of the outer ring; a second annular smoke chamber is formed between the outer ring partition wall and the furnace wall;
a vertical flue is fixedly arranged in the upper header, and the smoke outlet pipe is connected to the flue.
Further; the upper header is of a double-layer structure, the double layers are connected through blind rivets, and a safety valve connector and a pressure gauge connector are connected to the upper header.
Further; the smoke outlet pipe is in a horizontal direction, the vertical flue extends to the upper part of the upper header, and an upper ash drawing port is formed at the upper port of the vertical pipeline.
The utility model has the positive and beneficial technical effects that: the furnace body is compact in structure, small in occupied area, smoke passes through multiple return strokes, and is comprehensively heated around the heat exchange water pipe, so that the heat exchange efficiency is high.
Drawings
Fig. 1 is an overall schematic of the present utility model.
Fig. 2 is an internal schematic view of the present utility model.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a schematic diagram of the internal flue gas flow.
Detailed Description
In order to more fully explain the practice of the utility model, examples of the practice of the utility model are provided. These examples are merely illustrative of the present utility model and do not limit the scope of the utility model.
The utility model will be explained in further detail with reference to the accompanying drawings, in which: 1: a grate; 2: a steam-water separator; 3: a header is arranged; 4: a safety valve interface; 5: a pressure gauge interface; 6: an ash opening is formed in the upper part; 7: a liquid level Ji An pipe; 8: a heating medium outlet; 9: a smoke outlet pipe; 10: a biomass burner interface; 11: a dust drawing door; 12: a lower header; 13: a heat exchange water pipe of the outer ring; 14: a heat exchange water pipe of the inner ring; 15: an isolation roof; 16: an inner partition wall; 17: an outer partition wall; 18: a smoke discharging chamber; 19: an ash drawing chamber; 20: pulling nails; 21: a first heat exchange chamber; 22: a second heat exchange chamber; 23: a first annular heat exchange chamber; 24: a second annular heat exchange chamber; 25: and (5) a flue.
As shown in the drawing, the biomass through-flow boiler body comprises an annular lower collection 12 box and an upper collection box 3, wherein the upper collection box is of a double-layer structure, the double layers are connected through a blind rivet 20, and a safety valve interface 4 and a pressure gauge interface 5 are connected to the upper collection box; the heat exchange water pipes with two circles of circularly distributed inner and outer circles are connected between the upper header and the lower header, in the figure, the heat exchange water pipe with an outer circle is shown at 13, the heat exchange water pipe with an inner circle is shown at 14, the lower end of the heat exchange water pipe is communicated with the lower header, the upper end of the heat exchange water pipe is communicated with the upper header, the water inlet of the furnace body is connected to the lower header, the furnace wall 1 with a circular shape is arranged outside, the steam-water separator 2 is connected to the upper header, the heat medium outlet 8 is arranged on the steam-water separator, the backwater of the steam-water separator is connected to the lower header, the lower smoke chamber 18 is fixedly arranged at the lower part of the lower header, the side surface of the lower smoke chamber is connected with the biomass burner interface 10, the lower smoke chamber is provided with the ash drawing chamber 19, and the ash drawing chamber is provided with the ash drawing door 11.
An isolation roof 15 is fixedly arranged on the length of the heat exchange water pipe, the isolation roof isolates the heat exchange water pipe of the inner ring and the heat exchange water pipe of the outer ring into two parts which are not communicated up and down, the isolation roof divides the heat exchange water pipe into a first heat exchange chamber 21 positioned at the lower part and a second heat exchange chamber 22 positioned at the upper part, an inner isolation wall 16 surrounds the periphery of the heat exchange water pipe of the inner ring, the inner isolation wall is lower than the isolation roof, an annular smoke outlet is formed between the upper end of the inner isolation wall and the isolation roof, and smoke passing through the lower smoke chamber enters a first annular smoke chamber 23 through the annular smoke outlet; the bottom of the inner partition wall is sealed with the lower header, an outer partition wall 17 is arranged around the heat exchange water pipe of the outer ring in a surrounding manner, the upper end of the outer partition wall is higher than the partition top, the lower end of the outer partition wall is not sealed with the lower header, an annular smoke outlet is formed at the lower end of the outer partition wall, smoke enters the second annular heat exchange chamber from the first annular heat exchange chamber through the annular smoke outlet, and a first annular smoke chamber 23 is formed between the inner ring partition wall and the outer ring partition wall; a second annular smoke chamber 24 is formed between the outer ring partition wall and the furnace wall; a vertical flue 25 is fixedly arranged in the upper header, and the smoke outlet pipe 9 is connected to the flue; the smoke outlet pipe is in a horizontal direction, a vertical flue extends to the upper part of the upper header, and an upper ash drawing port 6 is formed at an upper port of the vertical pipeline.
The water in the furnace body enters from the lower header, enters the upper header after heat exchange through the heat exchange water pipe, and then is separated by the steam-water separator and then is output by the heat medium, and the water flows back to the lower header.
The flow of the flue gas is as follows: the lower smoke chamber, the first heat exchange chamber, the baffling flow enter the first annular heat exchange chamber, the baffling flow enter the second annular heat exchange chamber, the baffling flow enter the upper heat exchange chamber, the vertical flue and the smoke outlet pipe.
The existing biomass burner can be connected to the furnace body, and the interface can be in butt joint.
Having described embodiments of the present utility model in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the utility model as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present utility model and the utility model is not limited to the embodiments as set forth in the specification.
Claims (3)
1. The utility model provides a living beings tubular boiler furnace body, includes annular lower header, upper header, is connected with the heat transfer water pipe that inside and outside two rings are circular distribution between upper header and the lower header, has circular shape oven outward the heat transfer water pipe, is connected with steam-water separator on the upper header, and the heat medium export is located steam-water separator, and steam-water separator's return water is connected to the lower header, its characterized in that: a lower smoke chamber is fixedly arranged at the lower part of the lower header, the side surface of the lower smoke chamber is connected with a biomass burner interface, an ash drawing chamber is arranged below the lower smoke chamber, and an ash drawing door is arranged on the ash drawing chamber;
the length of the heat exchange water pipe is fixedly provided with an isolation roof, the isolation roof divides the heat exchange water pipe into a first heat exchange chamber positioned at the lower part and a second heat exchange chamber positioned at the upper part, an inner isolation wall surrounds the periphery of the heat exchange water pipe of the inner ring, the inner isolation wall is lower than the isolation roof, the bottom of the inner isolation wall is sealed with the lower header, an outer isolation wall surrounds the periphery of the heat exchange water pipe of the outer ring, the upper end of the outer isolation wall is higher than the isolation roof, the lower end of the outer isolation wall is not sealed with the lower header, and a first annular smoke chamber is formed between the isolation wall of the inner ring and the isolation wall of the outer ring; a second annular smoke chamber is formed between the outer ring partition wall and the furnace wall;
a vertical flue is fixedly arranged in the upper header, and the smoke outlet pipe is connected to the flue.
2. A biomass through-flow boiler body according to claim 1, wherein: the upper header is of a double-layer structure, the double layers are connected through blind rivets, and a safety valve connector and a pressure gauge connector are connected to the upper header.
3. A biomass through-flow boiler body according to claim 1, wherein: the smoke outlet pipe is in a horizontal direction, the vertical flue extends to the upper part of the upper header, and an upper ash drawing port is formed at the upper port of the vertical pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922820.7U CN220229243U (en) | 2023-07-21 | 2023-07-21 | Biomass cross-flow boiler body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922820.7U CN220229243U (en) | 2023-07-21 | 2023-07-21 | Biomass cross-flow boiler body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220229243U true CN220229243U (en) | 2023-12-22 |
Family
ID=89183781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321922820.7U Active CN220229243U (en) | 2023-07-21 | 2023-07-21 | Biomass cross-flow boiler body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220229243U (en) |
-
2023
- 2023-07-21 CN CN202321922820.7U patent/CN220229243U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |