CN202349981U - Double-return vertical waste heat boiler - Google Patents
Double-return vertical waste heat boiler Download PDFInfo
- Publication number
- CN202349981U CN202349981U CN201120456377XU CN201120456377U CN202349981U CN 202349981 U CN202349981 U CN 202349981U CN 201120456377X U CN201120456377X U CN 201120456377XU CN 201120456377 U CN201120456377 U CN 201120456377U CN 202349981 U CN202349981 U CN 202349981U
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- CN
- China
- Prior art keywords
- waste heat
- heater
- heat boiler
- superheater
- vertical waste
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- Expired - Fee Related
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Abstract
The utility model discloses a double-return vertical waste heat boiler, belongs to boiler industry and solves the defects of the conventional waste heat boilers in the prior art, such as large floor area, high cost, complicated structure, many flue gas returns and large system resistance. The double-return vertical waste heat boiler mainly comprises a furnace body, wherein a first convection evaporation segment, a superheater, a second convection evaporation segment, a boiler barrel, a third convection evaporation segment, a fuel economizer, a dust falling device and a dust blowing system are arranged inside the furnace body; a smoke inlet and a smoke outlet are formed in the lower side of the furnace body; the boiler barrel is provided with a centralized declining pipe; a smoke spacer wall is arranged at the middle of the furnace body; the furnace walls on the left and the right sides and the smoke spacer wall are provided with film-type walls respectively, including a front film-type wall, a rear film-type wall and a middle film-type wall; the furnace body is provided with a platform stairway and a rain shelter; the superheater is a two-stage superheater; and the dust falling device is a double-stage gas-locking ash remover. The double-return vertical waste heat boiler is mainly applied to heat supply in industrial enterprises.
Description
Technical field
The utility model belongs to boiler industry, specifically, relates in particular to a kind of pair of vertical waste heat boiler of backhaul.
Background technology
General is the horizontal layout of the many employings of waste heat boiler of thermal source with the flue gas, but horizontal layout floor space is big, and cost is high, and structure is comparatively complicated.More special boiler improvement projects are limited by the space, place, require strict for floor space and given tensile load.The vertical waste heat boiler that exists has at present alleviated the existing problem of horizontal waste heat to a certain extent, but structurally still arranges that for the thickness road flue gas backhaul is many; SR is big; Adopt to disperse down-comer, arrange comparatively trouble, inner flue gas backhaul is blown ash and is inconvenient to be provided with.
The utility model content
Big in order to solve in the prior art traditional waste heat boiler floor space, cost is high, complex structure, and the flue gas backhaul is many, the defective that SR is big, the utility model provides a kind of pair of vertical waste heat boiler of backhaul.
The utility model is realized through following technical scheme:
A kind of pair of vertical waste heat boiler of backhaul; Comprise body of heater; Body of heater is by steel frame support; Be provided with heating surface in the body of heater, it is characterized in that: body of heater inside is provided with the first convection current evaporator section, superheater, the second convection current evaporator section, drum, the 3rd convection current evaporator section, economizer, ash dropped unit, soot blower system, and the body of heater below is provided with into mouth, outlet flue; The said first convection current evaporator section, superheater, the second convection current evaporator section, the 3rd convection current evaporator section, economizer are connected with drum through rising, down-comer respectively, and ash dropped unit is welded on the body of heater, and soot blower system is welded on the steelframe.
Said drum is provided with common downcomer.
Be provided with brick baffle in the middle of the said body of heater, left and right sides furnace wall and brick baffle are respectively equipped with membrane wall, are followed successively by prepattern wall, back membrane wall, middle membrane wall.
Said body of heater is provided with platform staircase, awning.
Said superheater is the two poles of the earth superheater.
Said ash dropped unit is a twin-stage lock gas dust remover.
Compared with prior art, the beneficial effect of the utility model is: advance mouth and outlet flue and be located at the body of heater below, meet production engineering specifications; Body of heater is provided with membrane wall, has alleviated the weight of whole body of heater greatly, has reduced the infrastructure investment cost, and flue gas is few in the flue turning, and the flue gas circulating resistance is little, has reduced the cost of system's operation; Ash dropped unit is a twin-stage lock gas ash collector, is convenient to the layout of the utility model ash dropped unit; Be provided with common downcomer in the body of heater, simplified furnace binding.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Awning in the drawings, 1; 2, platform staircase; 3, prepattern wall; 4, the second convection current evaporator section; 5, superheater; 6, the first convection current evaporator section; 7, advance mouth; 8, drum; 9, middle membrane wall; 10, the 3rd convection current evaporator section; 11, back membrane wall; 12, economizer; 13, outlet flue; 14, ash dropped unit; 15, common downcomer; 16, soot blower system.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
A kind of pair of vertical waste heat boiler of backhaul; Comprise body of heater; Body of heater is by steel frame support; Be provided with heating surface in the body of heater, it is characterized in that: body of heater inside is provided with the first convection current evaporator section 6, superheater 5, the second convection current evaporator section 4, drum 8, the 3rd convection current evaporator section 10, economizer 12, ash dropped unit 14, soot blower system 16, and the body of heater below is provided with into mouth 7, outlet flue 13; The said first convection current evaporator section 6, superheater 5, the second convection current evaporator section 4, the 3rd convection current evaporator section 10, economizer 12 are connected with drum 8 through rising, down-comer respectively, and ash dropped unit 14 is welded on the body of heater, and soot blower system 16 is welded on the steelframe; Said drum is provided with common downcomer 15; Be provided with brick baffle in the middle of the said body of heater, left and right sides furnace wall and brick baffle are respectively equipped with membrane wall, are followed successively by prepattern wall 3, back membrane wall 11, middle membrane wall 9; Said body of heater is provided with platform staircase 2, awning 1; Said superheater 5 is the two poles of the earth superheater; Said ash dropped unit 14 is twin-stage lock gas dust remover.
The utility model at first connects each pipeline when mounted.The both sides furnace wall adopts light-duty composite structure in the body of heater, and drum and each heating surface are by steel frame support and fixing, and heating surface adopts suspended structure; Drum 8 both sides are provided with common downcomer 15, according to the concrete layout of each heating surface, draw the inferior division down-comer from common downcomer 15 to the inlet header case of each convection current evaporator section; Be connected with down-comer through tedge between drum 8 and the membrane wall; Superheater 5 is arranged for convection type, is divided into front and back stages, is provided with spray attemperator in the middle of the two-stage superheater; The porch of advancing mouth 6 is provided with water-cooled protection section, can reduce the temperature of high-temperature flue gas, stops the radiant heat of high-temperature flue gas to superheater, protection superheater 4 safe and reliable operations, and water-cooled protection section adopts independent closed circuit.
The utility model is a thermal source with the high-temperature flue gas in use, and prepattern wall 3, middle membrane wall 9, back membrane wall 11 constitute the flue gas loop of " U " shape in body of heater.During work, high-temperature flue gas gets into bodies of heater through advancing mouth 6, successively through the first convection current evaporator section 5, superheater 4, the second convection current evaporator section 3, the 3rd convection current evaporator section 8 and economizer 9, after outlet flue 10 is discharged bodies of heater; Cigarette ash is locked the gas dust remover through the twin-stage that soot blower 16 falls into bottom of furnace body, discharges body of heater at last.
Claims (6)
1. two vertical waste heat boiler of backhaul; Comprise body of heater; Body of heater is by steel frame support; Be provided with heating surface in the body of heater, it is characterized in that: body of heater inside is provided with the first convection current evaporator section (6), superheater (5), the second convection current evaporator section (4), drum (8), the 3rd convection current evaporator section (10), economizer (12), ash dropped unit (14), soot blower system (16), and the body of heater below is provided with into mouth (7), outlet flue (13); The said first convection current evaporator section (6), superheater (5), the second convection current evaporator section (4), the 3rd convection current evaporator section (10), economizer (12) are connected with drum (8) through rising, down-comer respectively; Ash dropped unit (14) is welded on the body of heater, and soot blower system (16) is welded on the steelframe.
2. the vertical waste heat boiler of pair backhaul according to claim 1 is characterized in that: said drum (8) is provided with common downcomer (15).
3. the vertical waste heat boiler of pair backhaul according to claim 1 and 2 is characterized in that: be provided with brick baffle in the middle of the said body of heater, left and right sides furnace wall and brick baffle are respectively equipped with membrane wall, are followed successively by prepattern wall (3), back membrane wall (11), middle membrane wall (9).
4. the vertical waste heat boiler of pair backhaul according to claim 1 is characterized in that: said body of heater is provided with platform staircase (2), awning (1).
5. the vertical waste heat boiler of pair backhaul according to claim 1 is characterized in that: said superheater (5) is the two poles of the earth superheater.
6. the vertical waste heat boiler of pair backhaul according to claim 1 is characterized in that: said ash dropped unit (14) is twin-stage lock gas dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120456377XU CN202349981U (en) | 2011-11-17 | 2011-11-17 | Double-return vertical waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120456377XU CN202349981U (en) | 2011-11-17 | 2011-11-17 | Double-return vertical waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349981U true CN202349981U (en) | 2012-07-25 |
Family
ID=46538983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120456377XU Expired - Fee Related CN202349981U (en) | 2011-11-17 | 2011-11-17 | Double-return vertical waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806994A (en) * | 2015-04-29 | 2015-07-29 | 鲍守明 | Film type smoke isolation wall threaded pipe convection pipe bundle longitudinal heat exchange water pipe boiler |
| CN114353038A (en) * | 2021-12-03 | 2022-04-15 | 上海工业锅炉(无锡)有限公司 | RTO high pressure exhaust-heat boiler |
-
2011
- 2011-11-17 CN CN201120456377XU patent/CN202349981U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806994A (en) * | 2015-04-29 | 2015-07-29 | 鲍守明 | Film type smoke isolation wall threaded pipe convection pipe bundle longitudinal heat exchange water pipe boiler |
| CN104806994B (en) * | 2015-04-29 | 2016-07-27 | 鲍守明 | Membrane wall brick baffle corrugated tubing convection bank longitudinal direction heat exchange type water-tube boiler |
| CN114353038A (en) * | 2021-12-03 | 2022-04-15 | 上海工业锅炉(无锡)有限公司 | RTO high pressure exhaust-heat 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: 20120725 Termination date: 20141117 |
|
| EXPY | Termination of patent right or utility model |