CN203940606U - A kind of two drum longitudinal Honeycomb briquet hot-water boiler - Google Patents
A kind of two drum longitudinal Honeycomb briquet hot-water boiler Download PDFInfo
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- CN203940606U CN203940606U CN201420351225.7U CN201420351225U CN203940606U CN 203940606 U CN203940606 U CN 203940606U CN 201420351225 U CN201420351225 U CN 201420351225U CN 203940606 U CN203940606 U CN 203940606U
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- drum
- tube bank
- honeycomb briquet
- collecting chamber
- water
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Abstract
A kind of two drum longitudinal Honeycomb briquet hot-water boiler, it relates to double-drum boiler.The purpose of this utility model is unreasonable in order to solve existing Honeycomb briquet hot-water boiler chamber design, and heat utilization rate is low, and Combustion of Mould Coal adopts anti-burning mode, produces the large problem of flue dust.The two drum longitudinal Honeycomb briquet hot-water boilers of one of the present utility model comprise upper drum, lower drum, upper collecting chamber, two lower headers, chimney arch and coal feed point, upper drum and lower drum are longitudinally arranged, upper collecting chamber is located between upper drum and lower drum, upper collecting chamber is parallel with lower header, the lower end of chimney arch is burner hearth, the upper end of chimney arch is secondary furnace, between upper collecting chamber and lower header, be provided with the sidewall that internal layer water-cooling wall forms burner hearth, secondary furnace is provided with heat absorption tube bank, the upper end of heat absorption tube bank connects upper drum, the lower end of heat absorption tube bank and header adapter are connected coal feed point and are located at the front of body of heater.The utility model heat energy conversion ratio is high, energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of double-drum boiler, is specifically related to a kind of two drum longitudinal Honeycomb briquet hot-water boiler, belongs to field of boilers.
Background technology
Boiler is a kind of heating equipment, boiler plays very important effect in industry-by-industry, Combustion of Mould Coal rate is high, the pernicious gas producing is few, can replace lump coal in a lot of fields, so Honeycomb briquet hot-water boiler application is more and more extensive, moulded coal discharges amount of heat at stove chamber inner combustion, heat is absorbed by the water wall surface in burner hearth with the form of radiation, by thermal energy transfer in drum, water temperature rising in drum is used for user, and the anti-burning mode of the many employings of existing molded coal boiler, generation flue dust is large, and water-cooling wall exposure rate in burner hearth is low, heat absorption not exclusively.
Utility model content
The purpose of this utility model is unreasonable in order to solve existing Honeycomb briquet hot-water boiler chamber design, and heat utilization rate is low, and Combustion of Mould Coal adopts anti-burning mode, produces the large problem of flue dust.
The technical solution of the utility model is: a kind of two drum longitudinal Honeycomb briquet hot-water boilers comprise upper drum, lower drum, upper collecting chamber, two lower headers, chimney arch and coal feed point, upper drum and lower drum are longitudinally arranged, upper collecting chamber is located between upper drum and lower drum, upper collecting chamber is parallel with lower header, the lower end of described chimney arch is burner hearth, the upper end of chimney arch is secondary furnace, between upper collecting chamber and lower header, be provided with the sidewall that internal layer water-cooling wall forms burner hearth, in described secondary furnace, be provided with heat absorption tube bank, the upper end of heat absorption tube bank connects upper drum, the lower end of heat absorption tube bank and header adapter are connected described coal feed point and are located at the front of body of heater.
The lower end of described burner hearth is provided with air distribution district, and described air distribution district comprises three air outlets, and burner hearth is divided into primary zone, and combustion zone and burning-out zone, according to moulded coal volatile matter V
daf≤ 7%, subsection setup air channel, controls air quantity temperature, is more conducive to the release of type burning of coal and heat energy.
Internal layer water-cooling wall is keel type, and radiation heating-surface is not subject to ascent control, radiation heating-surface long-pending 100%.
The link of described heat absorption tube bank and upper drum and lower header is vertically tube bank, between the vertical tube bank of top and bottom, restrains connection by smooth connection, can make endothermic tube bundle heat absorption rate improve, and heat-transfer effect is better.
Described tube bank in smoothing junction horizontal by acute angle scope between 10 °～20 °, be convenient to heat absorption and heat conduction in heat absorption tube bank.
Between described upper drum and every side lower header, be provided with many down-comers, make the cold water refluxing enter rapidly water circulation, be rapidly heated, improve the utilization rate of moulded coal.
The utility model compared with prior art has following effect: the inboard wall of burner hearth of of the present utility model pair of drum longitudinal Honeycomb briquet hot-water boiler is provided with internal layer water-cooling wall, Enhanced Radiation Reduced Blast area, improve heat absorption rate, heat absorption tube bank is minor diameter tube bank, make flue gas walking smooth, grey dirty little, the little heat absorption intensity of thermal resistance is greater than other structures, make heat absorption tube bank better coordinate burner hearth, absorb the heat of Combustion of Mould Coal generation flue gas in burner hearth, and the heat of absorption is passed in upper drum, make boiler heating fast, improve the utilization rate of heat energy; Moulded coal enters from the front end of body of heater, has realized the technique that moulded coal is just burning, and reduces the generation of flue dust, makes Combustion of Mould Coal abundant, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the main cutaway view of overall structure of the present utility model;
Fig. 2 is right view of the present utility model.
1-upper drum in figure, 2-lower drum, 3-upper collecting chamber, 4-lower header, 5-chimney arch, 6-coal feed point, 7-convection bank, the outer water-cooling wall of 8-, 9-internal layer water-cooling wall, the 10-tube bank of absorb heat, the adapter of 11-upper collecting chamber, 12-thermal insulation board, 13-down-comer, A-primary zone, B-combustion zone, C-burning-out zone.
Detailed description of the invention
Accompanying drawings present embodiment, the two drum longitudinal Honeycomb briquet hot-water boilers of one of this side of enforcement, comprise body of heater, in body of heater, be provided with upper drum 1, lower drum 2, upper collecting chamber 3, two lower headers 4, chimney arch 5 and coal feed point 6, upper drum 1 length is greater than lower drum 2, upper drum 1 and lower drum 2 are longitudinally arranged, between the first half of upper drum 1 and lower drum 2, connect by convection bank 7, between the latter half of upper drum 1 and lower header 4, connect by outer water-cooling wall 8, the first half of described upper drum 1, lower drum 2 and convection bank 7 form exhaust gases passes, the latter half of upper drum 1, lower header 4 and outer water-cooling wall 8 form combustion zone, combustion zone is divided into upper and lower two parts by chimney arch 5, the lower end of chimney arch is burner hearth, the upper end of chimney arch is secondary furnace, upper collecting chamber 3 is located between upper drum 1 and lower drum 2, upper collecting chamber 3 is parallel with lower header 4, between upper collecting chamber 3 and lower header 4, be provided with internal layer water-cooling wall 9 and form the sidewall of burner hearth, described secondary furnace is provided with heat absorption tube bank 10, the upper end of heat absorption tube bank 10 connects upper drum 1, the lower end of heat absorption tube bank 10 is taken over 11 with upper collecting chamber and is connected, described coal feed point 6 is located at the front of body of heater.
The lower end of described burner hearth is provided with air distribution district, and described air distribution district comprises three air outlets, and burner hearth is divided into primary zone A, combustion zone B and burning-out zone C.
Described internal layer water-cooling wall 9 is keel type.
Described heat absorption tube bank 10 is vertically tube bank with the link of upper drum 1 and lower header 4, between the vertical tube bank of top and bottom, restrains connection by smooth connection.
Described tube bank in smoothing junction horizontal by acute angle scope between 10 °～20 °.
In described exhaust gases passes, be provided with double layer insulating board 12.
Between described upper drum 1 and every side lower header 4, be provided with many down-comers 13.
The course of work of the present utility model is: moulded coal is placed on fire grate, utilizes Miniature oil press that moulded coal and fire grate are pushed into stove chamber inner combustion from the coal feed point 6 in front, due to AI moulded coal volatile matter V
daf≤ 7%, the wind speed that air outlet is blown is different with temperature, burner hearth is divided to San Ge district, primary zone A, combustion zone B, burning-out zone C, the heat that moulded coal discharges after burning is absorbed by two-layer water-cooling wall in the mode of radiation, heat energy is passed to upper drum 1, in burner hearth, Combustion of Mould Coal generation high-temperature flue gas enters in secondary furnace, heat absorption tube bank 10 coordinates burner hearth, absorb the heat of high-temperature flue gas, and the heat of absorption is passed in upper drum 1, flue gas is through secondary furnace transversal flow exhaust gases passes, under the effect of thermal insulation board 12, flue gas is discharged after three backhauls, heat in flue gas passes to heat in upper drum after being absorbed by the convection bank 7 of exhaust gases passes both sides, the time that flue gas stops in boiler is maximized, reduce the temperature of exhanst gas outlet, and realize sufficient heat exchange, cinder after burning is discharged by slag notch.
Claims (7)
1. a two drum longitudinal Honeycomb briquet hot-water boiler, comprise upper drum (1), lower drum (2), upper collecting chamber (3), two lower headers (4), chimney arch (5) and coal feed point (6), upper drum (1) and lower drum (2) are longitudinally arranged, upper collecting chamber (3) is located between upper drum (1) and lower drum (2), upper collecting chamber (3) is parallel with lower header (4), described chimney arch (5) lower end is burner hearth, chimney arch (5) upper end is in secondary furnace, it is characterized in that: the sidewall that is provided with internal layer water-cooling wall (9) formation burner hearth between upper collecting chamber (3) and lower header (4), in described secondary furnace, be provided with heat absorption tube bank (10), the upper end of heat absorption tube bank (10) connects upper drum (1), the lower end of heat absorption tube bank (10) is taken over (11) with header and is connected, described coal feed point (6) is located at the front of body of heater.
2. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 1, is characterized in that: the lower end of described burner hearth is provided with air distribution district, described air distribution district comprises three air outlets, and burner hearth is divided into primary zone (A), combustion zone (B) and burning-out zone (C).
3. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 1, is characterized in that: described internal layer water-cooling wall (9) is keel type.
4. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 1, it is characterized in that: described heat absorption tube bank (10) for vertically tube bank, by smooth connection is restrained connection between the vertical tube bank of top and bottom with the link of upper drum (1) and lower header (4).
5. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 4, is characterized in that: described tube bank in smoothing junction horizontal by acute angle scope between 10 ° ~ 20 °.
6. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 1, is characterized in that: between described upper drum (1) and every side lower header (4), be provided with many down-comers (13).
7. a kind of two drum longitudinal Honeycomb briquet hot-water boilers according to claim 1, is characterized in that: the length of described upper drum (1) is greater than the length of lower drum (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351225.7U CN203940606U (en) | 2014-06-27 | 2014-06-27 | A kind of two drum longitudinal Honeycomb briquet hot-water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351225.7U CN203940606U (en) | 2014-06-27 | 2014-06-27 | A kind of two drum longitudinal Honeycomb briquet hot-water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940606U true CN203940606U (en) | 2014-11-12 |
Family
ID=51859915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351225.7U Expired - Fee Related CN203940606U (en) | 2014-06-27 | 2014-06-27 | A kind of two drum longitudinal Honeycomb briquet hot-water boiler |
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| CN (1) | CN203940606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359323A (en) * | 2014-10-29 | 2015-02-18 | 中冶华天工程技术有限公司 | Self-recovery system for cooling energy medium of heating furnace |
| CN104976612A (en) * | 2015-07-23 | 2015-10-14 | 仲伟军 | Horizontal biomass-fired chain boiler |
-
2014
- 2014-06-27 CN CN201420351225.7U patent/CN203940606U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359323A (en) * | 2014-10-29 | 2015-02-18 | 中冶华天工程技术有限公司 | Self-recovery system for cooling energy medium of heating furnace |
| CN104359323B (en) * | 2014-10-29 | 2016-01-27 | 中冶华天工程技术有限公司 | Heating furnace cooling energy medium is from recovery system |
| CN104976612A (en) * | 2015-07-23 | 2015-10-14 | 仲伟军 | Horizontal biomass-fired chain boiler |
| CN104976612B (en) * | 2015-07-23 | 2017-10-03 | 仲伟军 | Horizontal biomass-burning chain-grate boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |