CN104154661B - Fuel oil and fuel gas angle pipe boiler structure for strengthening convection pipe screen through needle fins - Google Patents

Fuel oil and fuel gas angle pipe boiler structure for strengthening convection pipe screen through needle fins Download PDF

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Publication number
CN104154661B
CN104154661B CN201410384143.7A CN201410384143A CN104154661B CN 104154661 B CN104154661 B CN 104154661B CN 201410384143 A CN201410384143 A CN 201410384143A CN 104154661 B CN104154661 B CN 104154661B
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wall
header
burner hearth
panel casing
fin panel
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CN104154661A (en
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赵钦新
祁晓晖
陈中亚
陈晓露
谢昌亚
杨文君
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Xian Jiaotong University
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Xian Jiaotong University
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Abstract

The invention discloses a fuel oil and fuel gas angle pipe boiler structure for strengthening a convection pipe screen through needle fins. A steam boiler is composed of a boiler cylinder, a hearth and a convection heating surface. The hearth is composed of a front wall, a rear wall, a left side wall membrane water wall and a right side wall membrane water wall. The convection heating surface is composed of a side-by-side convection pipe screen, a convection vertical shaft front wall, a convection vertical shaft rear wall, two side walls and other additional heating surfaces, wherein the side-by-side convection pipe screen is formed by connecting 1 to n sets of needle-shaped evaporation pipe bundles, 1 to m sets of economizer pipe bundles and a collection box. A water boiler is free of boiler cylinders. A hearth of the water boiler is composed of a front wall, a rear wall, a left side wall I membrane water wall and a right side wall II membrane water wall. A convection heating surface is composed of a side-by-side convection pipe screen, a convection vertical shaft front wall, a convection vertical shaft rear wall, two side walls and other additional heating surfaces, wherein the side-by-side convection pipe screen is formed by connecting 1 to n sets of needle-shaped pipe bundles and a collection box. The convection pipe bundles are strengthened through the needle fins in a segmented mode, the length of the needle fins gradually increases according to the temperature decrease of smoke, the average heat transfer coefficient is increased, and the heat exchange area is enlarged; the boiler is compact in structure, high in air tightness, less in air leakage and high in combustion efficiency and has an ultra-strong power outage protection function.

Description

A kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing
Technical field
The present invention relates to boiler plant technical field and in particular to a kind of with pin wing strengthen convection current tube panel fuel-firing gas-firing angle Pipe boiler structure, two including steam boiler, hot-water boiler kind different structure.
Background technology
In recent years, with domestic Long Gang, great Bei, several new large-scale natural gas gas fields and the petrochina length celebrating Ji such as gram deep Plateau, the verifying of Zhangwu Shuan Miaodeng oil field, increasing small scall coal-fired boiler is replaced by oil-burning gas-fired boiler.Compared to fire coal Boiler, oil-burning gas-fired boiler can fundamentally solve many environmental problems such as discharge of dust, waste water, waste residue, harmful gass.Its In, corner tube type oil-burning gas-fired boiler has that rational in infrastructure, raw materials consumption is few, long-term operation is safe and reliable, energy-efficient and The advantage reducing discharging environmental protection, will become the first-selected type of furnace of China's oil-burning gas-fired boiler.
But, there are the following problems and hidden danger in long-term operation secure context for existing cornue technology:
1) traditional corner-tube hot-water boiler, more than flue back-end surfaces using flue gas transversal flow Flag pattern heat surface and Only it is arranged by snakelike light pipe, on the one hand, increase steel consumption and the volume of boiler, the numerous elbow of coil greatly increases Add Working fluid flow resistance, on the other hand, when flue gas flows through flue back-end surfaces, because heat exchange area is less, lead to flue gas Heat exchange and between heating surface is not good.
2) traditional corner tube type steam boiler, only using burner hearth front-back wall water-cooling wall and side water wall as evaporation heating Face, and flue-gas temperature still higher in flow through shaft, heating surface, as just economizer surface, fails to make full use of this The heat of part high-temperature flue gas, greatly reduces boiler efficiency.
Content of the invention
In order to overcome the shortcomings of above-mentioned prior art presence, it is an object of the invention to provide one kind strengthens convection current with pin wing The fuel-firing gas-firing corner tube boiler structure of tube panel, including two kinds of different types of hot-water boiler and steam boiler, is all divided with pin wing Duan Qianghua convection bank and pin wing length increases successively with cigarette temperature drop is low, increases mean heat transfer coefficient and heat exchange area;This type Boiler structure is compact, and air-tightness is good, leaks out few, and high combustion efficiency has superpower power-failure protecting function.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing, its hot water type of furnace, boiler integrally adopts Cornue supporting construction, the fin panel casing that radiation of burner hearth heating surface is all combined using band steel and light pipe, convection heating surface All adopt with the pipe platen convective heating surface of pin wing strengthening, burner centerline is perpendicular to burner hearth front wall fin panel casing, water Plain cloth is put;Including burner hearth 101 and be arranged at burner hearth 101 rear to flow through shaft 102, the front of described burner hearth 101 is provided with pot Stokehold wall, the described rear to flow through shaft 102 is provided with wall after boiler, and the top of described burner hearth 101 is set successively by tandem It is equipped with side wall fin panel casing upper collecting chamber 12, the first communicating pipe 13, side wall fin panel casing upper collecting chamber 14, burner hearth front-back wall Water-cooling wall header 15, outlet header 17, the described top to flow through shaft 102 is disposed with side wall film by tandem Formula water-cooling wall upper collecting chamber 14, second group of aciculiform tube bank header 20,18, first group of aciculiform of the second communicating pipe restrain header 21st, third connecting pipe 19, the lower section of described burner hearth 101 by tandem be disposed with side wall fin panel casing lower header 2, 4th communicating pipe 3, burner hearth front-back wall water-cooling wall distribution header 5, side wall fin panel casing lower header 31, described to flow through shaft 102 Lower section by tandem be disposed with 31, second group of aciculiform of side wall fin panel casing lower header tube bank allocation set case 33, the One group of aciculiform restrains allocation set case 32, and described side wall fin panel casing upper collecting chamber 12 passes through side wall fin panel casing 10 and institute State side wall fin panel casing lower header 2 to connect, described side wall fin panel casing upper collecting chamber 14 passes through side wall fin panel casing 36 are connected with described side wall fin panel casing lower header 31;
The upper end of front wall cornue 6 of described boiler front wall is connected with front wall cornue upper collecting chamber 11, and described front wall cornue collects Case 11 by connecting with described side wall fin panel casing upper collecting chamber 12 the first communicating pipe 13, the lower end of described front wall cornue 6 with The front wall cornue lower header 4 of boiler front wall lower end connects, and described front wall cornue lower header 4 is by the water positioned at burner hearth 101 bottom Flat 4th communicating pipe 3 distributes header 5 with burner hearth front-back wall water-cooling wall and is connected, and described burner hearth front-back wall water-cooling wall distributes header 5 It is connected with wall fin panel casing 7 after burner hearth front wall fin panel casing 8 and burner hearth respectively, described burner hearth front wall fin panel casing 8 He After burner hearth, wall fin panel casing 7 is also connected with described burner hearth front-back wall water-cooling wall header 15 respectively, described burner hearth front-back wall Water-cooling wall header 15 is connected with outlet header 17 by connecting tube 16, and described side wall fin panel casing lower header 2 leads to Cross and connected with damping header 9 in the middle part of side wall the 5th communicating pipe 35, in the middle part of described side wall damping header 9 pass through the 6th communicating pipe 34 with Described side wall fin panel casing upper collecting chamber 14 is connected;
Described to being provided with the tube bank of at least 1 group aciculiform in flow through shaft 102, and connect and compose side by side with upper and lower header respectively Convection current tube panel.Described first group of aciculiform tube bank allocation set case 32 is passed through first group of aciculiform tube bank 27 and is collected with first group of aciculiform tube bank Header 21 is connected, and described first group of aciculiform tube bank header 21 is connected with rear wall transfer header 24 by third connecting pipe 19 Logical, described second group of aciculiform tube bank allocation set case 33 passes through second group of aciculiform tube bank 28 and second group of aciculiform restrains header 20 It is connected, described second group of aciculiform tube bank header 20 passed through for the second communicating pipe 18 and distributes header 30 with rear wall fin panel casing It is connected, described rear wall fin panel casing distribution header 30 wall fin panel casing 25 and rear wall film-type water-cooling after to flow through shaft Wall header 22 is connected, and described rear wall fin panel casing header 22 passes through rear corner pipe 26 and described side wall membrane type Water-cooling wall lower header 31 is connected.
Described burner hearth front-back wall water-cooling wall distribution header 5 is arranged in described burner hearth 101;Described burner hearth front wall film-type water-cooling After wall 8 and burner hearth, wall fin panel casing 7 is oppositely arranged in forward and backward in described burner hearth 101, constitutes a kind of and upper lower header line Centrosymmetric " o " tee section structure;After described burner hearth front wall fin panel casing 8 and burner hearth, the upper end of wall fin panel casing 7 is equal It is connected with described burner hearth front-back wall water-cooling wall header 15;Wall membrane type after described burner hearth front wall fin panel casing 8 and burner hearth The lower end of water-cooling wall 7 is all distributed header 5 with described burner hearth front-back wall water-cooling wall and is connected;Burner hearth 101 is by burner hearth front wall membrane type Wall fin panel casing 7, both walls fin panel casing and burner hearth front-back wall water-cooling wall header 15 and after water-cooling wall 8, burner hearth Burner hearth front-back wall water-cooling wall distributes the closing space that header 5 is constituted, and forms burner hearth after have loose bowels in wall fin panel casing 7 top after burner hearth Outlet smokestack 23.
Described front wall cornue 6 inlay card together in described boiler front wall outer wall two incline at;Corner pipe 26 inlay card is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, Described rear wall transfer header 24 is arranged at the middle part of described rear corner pipe 26, and described rear wall fin panel casing distribution header 30 is arranged Lower section in described rear corner pipe 26.
Described rear wall transfer header 24 and described rear wall fin panel casing distribution header 30 are non-phase with rear corner pipe 26 Conduction type is arranged.
A kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing, its steam type of furnace, include burner hearth 101 Be arranged at burner hearth 101 rear to flow through shaft 102, the front of described burner hearth 101 is provided with boiler front wall, described to flow through shaft 102 rear is provided with wall after boiler, and the top of described burner hearth 101 is disposed with drum 39, side wall membrane type by tandem Water-cooling wall upper collecting chamber 38, vapor removal pipe group 42, hot water guiding tube 43, collection vapour header 41, burner hearth front water wall header 44th, burner hearth rear water wall header 45, the described top to flow through shaft 102 is disposed with aciculiform evaporation by tandem Tube bank header 48, aciculiform economizer tube bank header 49, the lower section of described burner hearth 101 is disposed with by tandem Side wall fin panel casing lower header 1, burner hearth front-back wall water-cooling wall distribution header 5, the described lower section to flow through shaft 102 is pressed suitable in front and back Sequence is disposed with aciculiform steam-generating bank distribution header 52, aciculiform economizer tube bank allocation set case 51, described side wall film-type water-cooling Wall upper collecting chamber 38 is connected with described side wall fin panel casing lower header 1 by side wall fin panel casing 37;
The upper end of front wall cornue 6 of described boiler front wall is connected with drum 39, described drum 39 and described side wall membrane type water Cold wall upper collecting chamber 38 connects, and described side wall fin panel casing upper collecting chamber 38 is by described vapor removal pipe group 42 and described Ji Qiji Case 41 is connected, and described collection vapour header 41 connects with described drum 39, the lower end of described front wall cornue 6 and described side wall membrane type water Cold wall lower header 1 connects, and described side wall fin panel casing lower header 1 distributes header 5 with burner hearth front-back wall water-cooling wall and is connected, institute State burner hearth front-back wall water-cooling wall distribution header 5 respectively with burner hearth front wall fin panel casing 8 and burner hearth after wall fin panel casing 7 even Connect, described burner hearth front wall fin panel casing 8 is connected with described burner hearth front water wall header 44, wall membrane type after described burner hearth Water-cooling wall 7 is connected with described burner hearth rear water wall header 45, and described burner hearth front water wall header 44 passes through even Adapter is connected with described collection vapour header 41, and described burner hearth rear water wall header 45 passes through connecting tube and described Ji Qiji Case 41 is connected;
Described to being provided with least 1 group aciculiform steam-generating bank and the tube bank of at least 1 group aciculiform economizer in flow through shaft 102, and Connect and compose convection current tube panel side by side with upper and lower header respectively.Described side wall fin panel casing lower header 1 and described aciculiform evaporation tube Bundle distribution header 52 connects, and described aciculiform steam-generating bank distribution header 52 is respectively by described aciculiform steam-generating bank and described aciculiform Steam-generating bank header 48 is connected, described aciculiform steam-generating bank header 48 respectively pass through the first connecting tube 46 with described Collection vapour header 41 is connected, and described aciculiform economizer tube bank allocation set case 51 is by the tube bank of described aciculiform economizer and described aciculiform Economizer tube bank header 49 is connected, described aciculiform economizer tube bank header 49 pass through described hot water guiding tube 43 with Described drum 39 is connected;
Described boiler side wall fin panel casing upper collecting chamber 38 is equally connected with corner pipe 26 after boiler, corner after described boiler Pipe 26 and rear wall fin panel casing distribute header 30 and connect, and described rear wall fin panel casing distribution header 30 is after to flow through shaft Wall fin panel casing 25 is connected with rear wall fin panel casing header 22, and described rear wall fin panel casing header 22 leads to Cross the second connecting tube 47 to be connected with described collection vapour header 41.
Described burner hearth front-back wall water-cooling wall distribution header 5 is arranged in described burner hearth 101;Described burner hearth front wall film-type water-cooling After wall 8 and described burner hearth, wall fin panel casing 7 is oppositely arranged in forward and backward in described burner hearth 101, constitutes a kind of and upper lower header Line centrosymmetric " o " tee section structure.Described burner hearth front wall fin panel casing 8 upper end is converged with described burner hearth front water wall Collection header 44 is connected, and after described burner hearth, wall fin panel casing 7 upper end is connected with described burner hearth rear water wall header 45 Connect;After described burner hearth front wall fin panel casing 8 and burner hearth the lower end of wall fin panel casing 7 all with described burner hearth front-back wall water-cooling wall Distribution header 5 is connected;Burner hearth 101 is by wall fin panel casing 7, both walls membrane type after burner hearth front wall fin panel casing 8, burner hearth Water-cooling wall and burner hearth front water wall header 44, burner hearth rear water wall header 45 and burner hearth front-back wall water-cooling wall The closing space that distribution header 5 is constituted, forms furnace outlet smokestack 23 after have loose bowels in wall fin panel casing 7 top after burner hearth.
After described boiler, corner pipe 26 and described side wall fin panel casing lower header 1 are the non-formula arrangement that is conducted, described pot Furnace rear corner pipe 26 and described rear wall fin panel casing header 22 are the non-formula arrangement that is conducted.
Described front wall cornue 6 inlay card together in described boiler front wall outer wall two incline at;Corner pipe 26 inlay card is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, Described rear wall fin panel casing distributes the lower section that header 30 is arranged at described rear corner pipe 26.
Described to the convection heating surface in flow through shaft 102 by light pipe and be welded in the pin wing that the pin wing of light pipe surface forms Pipe convection bank, aciculiform tube bank declines with cigarette temperature and to adopt pin wing step-by-step arrangement mode so that flue gas and Needle fin tube convection bank Light pipe be in parallel baffled, and pin wing be in horizontal or oblique wash away, pin wing length increases successively with cigarette temperature drop is low, formed Needle fin tube expand Exhibition convection heating surface.
The present invention compared to the prior art relatively, has the beneficial effects that:
1) present invention is a kind of strengthens in the fuel-firing gas-firing corner tube boiler structure of convection current tube panel with pin wing, hot-water boiler and steam Boiler convection tube bank surface is all strengthened with pin wing and is formed aciculiform tube bank, and aciculiform is restrained to decline with cigarette temperature and adopted pin wing step-by-step arrangement side Formula, the light pipe of flue gas and Needle fin tube convection bank is in parallel baffled, pin wing be in horizontal or oblique wash away, pin wing length is with cigarette temperature drop Low increase successively, formed Needle fin tube extension convection heating surface, increase mean heat transfer coefficient and heat exchange area, enhance heat exchange, Reduce steel consumption and boiler manufacture cost simultaneously.
2) present invention is a kind of strengthens in the fuel-firing gas-firing corner tube boiler structure of convection current tube panel with pin wing, in boiler convection vertical shaft Heating surface is all arranged vertically, and compared with the Flag pattern heat surface of flue gas transversal flow, the situation of tube wall dust stratification is greatly improved, and Heating surface and pin wing can produce slight vibrations under sweep of gases, have from deashing ability.
3) present invention is a kind of strengthens in the fuel-firing gas-firing corner tube boiler structure of convection current tube panel with pin wing, and steam boiler is initiative Ground first evaporating heating surface and economizer surface are arranged vertically on simultaneously more compact in flow through shaft, making boiler structure, So that utilize more abundant to high-temperature flue gas in flow through shaft, boiler efficiency greatly improves.
4) present invention is a kind of strengthens the fuel-firing gas-firing corner tube boiler structure of convection current tube panel after unexpected power failure with pin wing, automatically Vent valve is opened, and header, down-comer and tedge may make up natural convection loop again, has superpower power-failure protecting function.
Brief description
Fig. 1 is a kind of side-looking of the fuel-firing gas-firing corner tube boiler hot water furnace type structure strengthening convection current tube panel with pin wing of the present invention Figure.
Fig. 2 is a kind of main view of the fuel-firing gas-firing corner tube boiler hot water furnace type structure strengthening convection current tube panel with pin wing of the present invention Figure.
Fig. 3 is a kind of side-looking of the fuel-firing gas-firing corner tube boiler steam furnace type structure strengthening convection current tube panel with pin wing of the present invention Figure;
Fig. 4 is a kind of main view of the fuel-firing gas-firing corner tube boiler steam furnace type structure strengthening convection current tube panel with pin wing of the present invention Figure.
Fig. 5 is that a kind of fuel-firing gas-firing corner tube boiler hot water furnace type structure convection current strengthening convection current tube panel with pin wing of the present invention is erected Arbitrary number of level convection bank profile in well.
Fig. 6 is that a kind of fuel-firing gas-firing corner tube boiler steam furnace type structure convection current strengthening convection current tube panel with pin wing of the present invention is erected Convection bank profile is arbitrarily organized in well.
Fig. 7 is the aciculiform tube bank front view that the present invention has staight needle shape pin wing.
Fig. 8 is the aciculiform tube bank top view that the present invention has staight needle shape pin wing.
Fig. 9 is the aciculiform tube bank front view that the present invention has oblique aciculiform pin wing.
Figure 10 is the aciculiform tube bank top view that the present invention has oblique aciculiform pin wing.
In Fig. 1 and Fig. 2,2. side wall fin panel casing lower header, 3. the 4th communicating pipe, 4. front wall cornue lower header 5. stove Thorax front-back wall water-cooling wall distribution header, 6. wall fin panel casing after front wall cornue 7. burner hearth, 8. burner hearth front wall fin panel casing, 9. Damping header in the middle part of side wall, 10. side wall fin panel casing, 11. front wall cornue upper collecting chambers, on 12. side wall fin panel casings Header, 13. first communicating pipes, 14. side wall fin panel casing upper collecting chambers, 15. burner hearth front-back wall water-cooling wall headers, 16. even Adapter, 17. outlet headers, 18. second communicating pipes, 19. third connecting pipes, 20. second groups of aciculiforms restrain headers, and 21. the One group of aciculiform restrains header, wall fin panel casing header after 22., and wall water-cooled smokestack after 23. burner hearths, in wall after 24. Turn header, wall fin panel casing after 25. pairs of flow through shaft, the 27. first groups of aciculiform tube banks of corner pipe, 28. second groups of needle-tubes after 26. Bundle, 29. exhanst gas outlets, wall fin panel casing distribution header, 31. side wall fin panel casing lower headers, 32. first groups of pins after 30. Shape tube bank distribution header, 33. second groups of aciculiforms restrain allocation set case, 34. the 6th communicating pipes, 35. the 5th communicating pipes, 36. side walls Fin panel casing, 101. burner hearths, 102. pairs of flow through shaft.
In Fig. 3 and Fig. 4,1. side wall fin panel casing lower header, 6. front wall cornue, 8. burner hearth front wall fin panel casing, 37. Side wall fin panel casing, 38. side wall fin panel casing upper collecting chambers, 39. drums, 40. steam outlet pipe roads, 41. collection vapour headers, 42. steamings Vapour separating pipe group, 43. hot water guiding tubes, 44. burner hearth front water wall headers, 45. burner hearth rear water wall headers, 46. first connecting tubes, 47. second connecting tubes, 48. aciculiform steam-generating bank headers, 49. aciculiform economizer tube banks collect collection Case, wall fin panel casing header after 22., corner pipe, wall fin panel casing after 25. pairs of flow through shaft, 7. wall after burner hearth after 26. Fin panel casing, 50. aciculiform economizer tube banks, wall fin panel casing distribution header after 30., 51. aciculiform economizer tube bank distribution Header, 52. aciculiform steam-generating bank distribution headers, 5. burner hearth front-back wall water-cooling wall distribution header, wall water-cooled smokestack after 23. burner hearths, 29. exhanst gas outlets, 53. aciculiform steam-generating banks, 101. burner hearths, 102. pairs of flow through shaft.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing of the present invention, its hot water furnace type structure is as schemed Shown in 1 and Fig. 2, boiler integrally adopts cornue supporting construction, and radiation of burner hearth heating surface is all combined using band steel and light pipe Fin panel casing, convection bank all adopt with pin wing strengthening pipe platen convective heating surface, burner centerline perpendicular to Burner hearth front wall fin panel casing, horizontally disposed.Including burner hearth 101 and be arranged at burner hearth 101 rear to flow through shaft 102, described The front of burner hearth 101 is provided with boiler front wall, and the described rear to flow through shaft 102 is provided with wall after boiler, described burner hearth 101 Top is disposed with side wall fin panel casing upper collecting chamber 12, the first communicating pipe 13, side wall fin panel casing by tandem Upper collecting chamber 14, burner hearth front-back wall water-cooling wall header 15, outlet header 17, the described top to flow through shaft 102 is pressed suitable in front and back Sequence be disposed with 14, second group of aciculiform of side wall fin panel casing upper collecting chamber tube bank header 20, the second communicating pipe 18, the One group of aciculiform tube bank header 21, third connecting pipe 19, the lower section of described burner hearth 101 is disposed with side wall by tandem Fin panel casing lower header 2, the 4th communicating pipe 3, burner hearth front-back wall water-cooling wall distribution header 5, side wall fin panel casing next part Case 31, the described lower section to flow through shaft 102 is disposed with 31, second group of side wall fin panel casing lower header by tandem Aciculiform tube bank 33, first group of aciculiform of allocation set case restrains allocation set case 32, and described side wall fin panel casing upper collecting chamber 12 passes through Side wall fin panel casing 10 is connected with described side wall fin panel casing lower header 2, described side wall fin panel casing upper collecting chamber 14 are connected with described side wall fin panel casing lower header 31 by side wall fin panel casing 36;
The upper end of front wall cornue 6 of described boiler front wall is connected with front wall cornue upper collecting chamber 11, and described front wall cornue collects Case 11 by connecting with described side wall fin panel casing upper collecting chamber 12 the first communicating pipe 13, the lower end of described front wall cornue 6 with The front wall cornue lower header 4 of boiler front wall lower end connects, and described front wall cornue lower header 4 is by the water positioned at burner hearth 101 bottom Flat 4th communicating pipe 3 distributes header 5 with burner hearth front-back wall water-cooling wall and is connected, and described burner hearth front-back wall water-cooling wall distributes header 5 It is connected with wall fin panel casing 7 after burner hearth front wall fin panel casing 8 and burner hearth respectively, described burner hearth front wall fin panel casing 8 He After burner hearth, wall fin panel casing 7 is also connected with described burner hearth front-back wall water-cooling wall header 15 respectively, described burner hearth front-back wall Water-cooling wall header 15 is connected with outlet header 17 by connecting tube 16, and described side wall fin panel casing lower header 2 leads to Cross and connected with damping header 9 in the middle part of side wall the 5th communicating pipe 35, in the middle part of described side wall damping header pass through the 6th communicating pipe 34 with Described side wall fin panel casing upper collecting chamber 14 is connected.
Described to being provided with the tube bank of at least 1 group aciculiform in flow through shaft 102, in the hot water type of furnace shown in Fig. 1 and Fig. 2, right It is provided with 2 groups of aciculiform tube banks: first group of aciculiform tube bank 27 of boiler and second group of aciculiform tube bank 28 of boiler in flow through shaft 102, its Anticipate one group of aciculiform tube bank arrangement profile as shown in figure 5, described first group of aciculiform tube bank allocation set case 32 passes through first group of aciculiform Tube bank 27 is restrained header 21 with first group of aciculiform and is connected, and described first group of aciculiform tube bank header 21 passes through the 3rd even Siphunculus 19 is connected with rear wall transfer header 24, and described second group of aciculiform tube bank allocation set case 33 passes through second group of aciculiform tube bank 28 Restrain header 20 with second group of aciculiform to be connected, described second group of aciculiform tube bank header 20 passed through for the second communicating pipe 18 Distribute header 30 with rear wall fin panel casing to be connected, described rear wall fin panel casing distribution header 30 wall after to flow through shaft Fin panel casing 25 is connected with rear wall fin panel casing header 22, and described rear wall fin panel casing header 22 passes through Corner pipe 26 is connected with described side wall fin panel casing lower header 31 afterwards.
Described burner hearth front-back wall water-cooling wall distribution header 5 is arranged in described burner hearth 101;Described burner hearth front wall film-type water-cooling After wall 8 and burner hearth, wall fin panel casing 7 is oppositely arranged in forward and backward in described burner hearth 101, constitutes a kind of and upper lower header line Centrosymmetric " o " tee section structure.Burner hearth 101 is by wall fin panel casing 7, two after burner hearth front wall fin panel casing 8, burner hearth Side wall fin panel casing and burner hearth front-back wall water-cooling wall header 15 and burner hearth front-back wall water-cooling wall distribute what header 5 was constituted Closing space, forms furnace outlet smokestack 23 after have loose bowels in wall fin panel casing 7 top after burner hearth.
Described to the convection bank in flow through shaft 102 by light pipe and be welded in the Needle fin tube that the pin wing of light pipe surface forms Convection bank, Needle fin tube convection bank declines the pin wing step-by-step arrangement mode that adopts with cigarette temperature: cigarette temperature higher position is using as Fig. 7 and Tu Staight needle shape pin wing shown in 8, cigarette temperature lower is using oblique aciculiform pin wing as shown in Figure 9 and Figure 10 so that flue gas and Needle fin tube The light pipe of convection bank be in parallel baffled, and pin wing be in horizontal or oblique wash away, pin wing length increases successively with cigarette temperature drop is low, shape Become Needle fin tube extension convection heating surface.
Described front wall cornue 6 inlay card together in described boiler front wall outer wall two incline at;Corner pipe 26 inlay card is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, Described rear wall transfer header 24 is arranged at the middle part of described rear corner pipe 26, and described rear wall fin panel casing distribution header 30 is arranged Lower section in described rear corner pipe 26.
After described burner hearth front wall fin panel casing 8 and burner hearth the upper end of wall fin panel casing 7 all with described burner hearth front-back wall Water-cooling wall header 15 is connected;After described burner hearth front wall fin panel casing 8 and burner hearth the lower end of wall fin panel casing 7 all with Described burner hearth front-back wall water-cooling wall distribution header 5 is connected.
After described burner hearth front wall fin panel casing 8 and burner hearth, the structure of wall fin panel casing 7 is identical, by many light Gutron Cross band steel to be welded to form successively.Described side wall fin panel casing 36 is identical with side wall fin panel casing 10 structure, by many Light pipe is welded to form successively by band steel.Described to wall fin panel casing 25 after flow through shaft, pass through band steel successively by many light pipes It is welded to form.
Described rear wall transfer header 24 and described rear wall fin panel casing distribution header 30 are non-phase with rear corner pipe 26 Conduction type is arranged.
A kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing, its steam furnace type structure such as Fig. 3 and Fig. 4 Shown, boiler integrally adopts cornue supporting construction, the membrane type that radiation of burner hearth heating surface is all combined using band steel and light pipe Water-cooling wall, convection heating surface all adopts with the pipe platen convective heating surface of pin wing strengthening, and burner centerline is perpendicular to burner hearth Front wall fin panel casing, horizontally disposed.Include burner hearth 101 and be arranged at burner hearth 101 rear to flow through shaft 102, described stove The front of thorax 101 is provided with boiler front wall, and the described rear to flow through shaft 102 is provided with wall after boiler, described burner hearth 101 upper Side is disposed with drum 39, side wall fin panel casing upper collecting chamber 38, vapor removal pipe group 42, hot water guiding tube by tandem 43rd, collection vapour header 41, burner hearth front water wall header 44, burner hearth rear water wall header 45, described to flow through shaft 102 top is disposed with aciculiform steam-generating bank header 48, aciculiform economizer tube bank header 49 by tandem, The lower section of described burner hearth 101 is disposed with side wall fin panel casing lower header 1 by tandem, burner hearth front-back wall water-cooling wall divides Join header 5, the described lower section to flow through shaft 102 is disposed with aciculiform steam-generating bank distribution header 52, aciculiform by tandem Allocation set case 51 restrained by economizer, and described side wall fin panel casing upper collecting chamber 38 passes through side wall fin panel casing 37 and described side wall Fin panel casing lower header 1 connects.
The upper end of front wall cornue 6 of described boiler front wall is connected with drum 39, described drum 39 and described side wall membrane type water Cold wall upper collecting chamber 38 connects, and described side wall fin panel casing upper collecting chamber 38 is by described vapor removal pipe group 42 and described Ji Qiji Case 41 is connected, and described collection vapour header 41 connects with described drum 39, the lower end of described front wall cornue 6 and described side wall membrane type water Cold wall lower header 1 connects, and described side wall fin panel casing lower header 1 distributes header 5 with burner hearth front-back wall water-cooling wall and is connected, institute State burner hearth front-back wall water-cooling wall distribution header 5 respectively with burner hearth front wall fin panel casing 8 and burner hearth after wall fin panel casing 7 even Connect, described burner hearth front wall fin panel casing 8 is connected with described burner hearth front water wall header 44, wall membrane type after described burner hearth Water-cooling wall 7 is connected with described burner hearth rear water wall header 45, and described burner hearth front water wall header 44 passes through even Adapter is connected with described collection vapour header 41, and described burner hearth rear water wall header 45 passes through connecting tube and described Ji Qiji Case 41 is connected.
Described to being provided with least 1 group aciculiform steam-generating bank and the tube bank of at least 1 group aciculiform economizer in flow through shaft 102, In the steam type of furnace shown in Fig. 3 and Fig. 4, to being provided with 3 groups of aciculiform steam-generating banks 53 and 1 group of aciculiform economizer in flow through shaft 102 Tube bank 50, its any one group of aciculiform tube bank arrangement profile as shown in fig. 6, described side wall fin panel casing lower header 1 with described Aciculiform steam-generating bank distribution header 52 connects, and described aciculiform steam-generating bank distribution header 52 is respectively by described aciculiform steam-generating bank 53 are connected with described aciculiform steam-generating bank header 48, and described aciculiform steam-generating bank header 48 passes through first even respectively Adapter 46 is connected with described collection vapour header 41, and described aciculiform economizer tube bank allocation set case 51 is by described aciculiform economizer tube Bundle 50 is restrained header 49 with described aciculiform economizer and is connected, and described aciculiform economizer tube bank header 49 passes through described Hot water guiding tube 43 is connected with described drum 39.
Described boiler side wall fin panel casing upper collecting chamber 38 is equally connected with corner pipe 26 after boiler, corner after described boiler Pipe 26 and rear wall fin panel casing distribute header 30 and connect, and described rear wall fin panel casing distribution header 30 is after to flow through shaft Wall fin panel casing 25 is connected with rear wall fin panel casing header 22, and described rear wall fin panel casing header 22 leads to Cross the second connecting tube 47 to be connected with described collection vapour header 41.
Described burner hearth front-back wall water-cooling wall distribution header 5 is arranged in described burner hearth 101;Described burner hearth front wall film-type water-cooling After wall 8 and described burner hearth, wall fin panel casing 7 is oppositely arranged in forward and backward in described burner hearth 101, constitutes a kind of and upper lower header Line centrosymmetric " o " tee section structure.Burner hearth 101 is by wall fin panel casing after burner hearth front wall fin panel casing 8, burner hearth 7th, both walls fin panel casing and burner hearth front water wall header 44, burner hearth rear water wall header 45 and burner hearth Front-back wall water-cooling wall distributes the closing space that header 5 is constituted, and forms furnace outlet after have loose bowels in wall fin panel casing 7 top after burner hearth Smokestack 27.
Described to the convection bank in flow through shaft 102 by light pipe and be welded in the Needle fin tube that the pin wing of light pipe surface forms Convection bank, aciculiform tube bank declines the pin wing step-by-step arrangement mode that adopts with cigarette temperature: cigarette temperature higher position is using as shown in Figure 7 and Figure 8 Staight needle shape pin wing, cigarette temperature lower is using oblique aciculiform pin wing as shown in Figure 9 and Figure 10 so that flue gas and Needle fin tube convection tube Bundle light pipe be in parallel baffled, and pin wing be in horizontal or oblique wash away, pin wing length increases successively with cigarette temperature drop is low, formed pin wing Pipe extends convection heating surface.
After described boiler, corner pipe 26 and described side wall fin panel casing lower header 1 are the non-formula arrangement that is conducted, described pot Furnace rear corner pipe 26 and described rear wall fin panel casing header 22 are the non-formula arrangement that is conducted.
Described front wall cornue 6 inlay card together in described boiler front wall outer wall two incline at;Corner pipe 26 inlay card is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, Described rear wall fin panel casing distributes the lower section that header 30 is arranged at described rear corner pipe 26.
Described burner hearth front wall fin panel casing 8 upper end is connected with described burner hearth front water wall header 44, described After burner hearth, wall fin panel casing 7 upper end is connected with described burner hearth rear water wall header 45;Described burner hearth front wall membrane type Water-cooling wall 8 all distributes header 5 with described burner hearth front-back wall water-cooling wall with the lower end of wall fin panel casing 7 after burner hearth and is connected.
After described burner hearth front wall fin panel casing 8 and burner hearth, the structure of wall fin panel casing 7 is identical, by many light Gutron Cross band steel to be welded to form successively.Described side wall fin panel casing 37 is welded to form by band steel successively by many light pipes.Described right Wall fin panel casing 25 after flow through shaft, is welded to form by band steel successively by many light pipes.
A kind of hot-water boiler operation principle of the fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing of the present invention As follows:
Sent into and first group of needle-tube by feed pipe after in economizer, heated water is mixed with part boiler blow-down water First group of aciculiform tube bank allocation set case 32 that bundle 27 is connected, evenly distributes and restrains 27 to first group of aciculiform, and rising flowing During absorb to flow through shaft 102 high temperature flue gas liberated heat, after being heated to preset temperature, enter with first group of aciculiform Restrain first group of aciculiform tube bank header 21 of 27 top conductings, then working medium is introduced at by pot by third connecting pipe 19 Working medium is caused second group of aciculiform by connecting tube and restrains allocation set case 32, uniformly by the rear wall transfer header 24 in the middle part of furnace rear wall Distribute to second group of aciculiform tube bank 28, and absorb to flow through shaft 102 high temperature flue gas liberated heat during rising flowing, After being heated to preset temperature, enter second group of aciculiform tube bank header 20 with second group of aciculiform tube bank 28 top conducting, Then by the second communicating pipe 18 working medium was caused with to flow through shaft after the rear wall film-type water-cooling that is connected of wall fin panel casing 25 Wall distributes header 30, evenly distributes to wall solid matter fin panel casing 25 after flow through shaft, absorbs convection current during rising flowing Vertical shaft 102 high temperature flue gas liberated heat, after being heated to higher temperature, enters and to wall fin panel casing 25 after flow through shaft The rear wall fin panel casing header 22 that top is conducted, and hot water is distributed to the rear corner of wall outer wall two incline after boiler Pipe 26, be not heated Doenward flow, enters the side wall fin panel casing lower header 31 being conducted with rear corner pipe 26, passes through Side wall fin panel casing 36 absorbs high-temperature flue gas liberated heat and rises flowing, after being heated to higher temperature, enters side wall Fin panel casing upper collecting chamber 14, after mixing in side wall fin panel casing upper collecting chamber 14, in being caused by the 6th communicating pipe 34 Portion's bradyseism header 9, after mixing, causes side wall fin panel casing next part by the 5th communicating pipe 35 in middle part bradyseism header 9 Case 2, absorbs high-temperature flue gas liberated heat in burner hearth 101 by side wall fin panel casing 10 and rises flowing, be heated to more After high temperature, enter side wall fin panel casing upper collecting chamber 12, after mixing in side wall fin panel casing upper collecting chamber 12, lead to After causing front wall cornue upper collecting chamber 11 first communicating pipe 13, and hot water is distributed to the front wall cornue of boiler front wall outer wall two incline 6, be not heated Doenward flow, enters the front wall cornue lower header 4 being conducted with front wall cornue 6, then by positioned at burner hearth 4th communicating pipe 3 of 101 bottoms, enter burner hearth front-back wall water-cooling wall distribution header 5, pass through burner hearth front wall fin panel casing respectively 8 and burner hearth after wall fin panel casing 7 absorb burner hearth 101 high temperature flue gas liberated heat rise flow and be collected to burner hearth before and after Wall water-cooling wall header 15, causes outlet header 17 by connecting tube group 16, constantly absorbs heat through heat-absorbent surfaces at different levels, reaches volume Make mouthful hot water temperature and send into pipe network;And the high-temperature flue gas release heat working as gas fuel combustion generation is transmitted by radiant heat transfer To wall fin panel casing 7, side wall fin panel casing 10 wall water-cooled after burner hearth after burner hearth front wall fin panel casing 8, burner hearth After the radiation of smokestack 23 and heat convection, high-temperature flue gas are turned 180 ° by reversal chamber, enter convection current vertical shaft 102 afterwards, longitudinally rush First group of aciculiform tube bank 27 of brush and second group of aciculiform are restrained 28 and are carried out heat convection with side wall fin panel casing 36, and flue gas exists Body is discharged from the exhanst gas outlet 29 of lower portion thereof after completing heat exchange.
A kind of steam boiler operation principle of the fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing of the present invention As follows:
Heated boiler feedwater in economizer, is sent into, by pipeline, the aciculiform being connected with the tube bank of aciculiform economizer and saves Coal device tube bank distribution header 51, evenly distributes and restrains 50 to the aciculiform economizer serving as economizer surface, and rising flowing During absorb to flow through shaft 102 high temperature flue gas liberated heat, after being heated to preset temperature, enter with aciculiform economizer Restrain the aciculiform economizer tube bank header 49 of 50 top conductings, then working medium is introduced at by pot by hot water guiding tube 43 The drum 39 on stokehold wall top, liquid phase working fluid is not heated Doenward flow along front wall cornue 6, meets at side wall fin panel casing next part Case 1, the burner hearth then being evenly distributed to side wall fin panel casing 37 and being conducted therewith by side wall fin panel casing lower header 1 Front-back wall fin panel casing distribution header 26 and aciculiform steam-generating bank distribution header 52, rise in side wall fin panel casing 37 The heat that the working medium of flowing absorbs burner hearth 101 high temperature gas radiation becomes steam water interface, enters on side wall fin panel casing Header 38, distributes the working medium in header 26 positioned at burner hearth front-back wall fin panel casing, is divided evenly to serving as evaporating heating surface Burner hearth front wall fin panel casing 8 and burner hearth after wall fin panel casing 7, absorb burner hearth 101 high temperature gas radiation heat simultaneously Rise flowing, in burner hearth front wall fin panel casing 8, working medium meets at burner hearth front wall fin panel casing header 11 and by connecting Pipe imports collection vapour header 41, and in wall fin panel casing 7 after burner hearth, working medium meets at wall fin panel casing header 12 after burner hearth And by connecting tube import collection vapour header 41, positioned at aciculiform steam-generating bank distribute header 52 in working medium, each evenly distributed to Serve as the aciculiform steam-generating bank 53 of evaporating heating surface, absorb to flow through shaft 102 high temperature flue gas liberated heat and rise flowing, Meet at corresponding aciculiform steam-generating bank header 48 respectively and collection vapour header 41 is imported, positioned at side wall by the first connecting tube 46 The steam water interface collecting in fin panel casing upper collecting chamber 38, wherein, steam is introduced into collection vapour header through vapor removal pipe group 42 41, hot water is not heated Doenward flow along rear corner pipe 26, enters the rear wall fin panel casing being conducted with rear corner pipe 26 and distributes Header 30, evenly distributes to the rear wall fin panel casing 19 serving as evaporating heating surface and absorbs and flow through shaft 102 high-temperature flue gas are put The heat going out rises flowing, wall fin panel casing header 22 after the steam entrance of generation, and is drawn by the second connecting tube 47 To collection vapour header 41, import the steam in collection vapour header 41, be introduced into drum 39 top air space, reach nominal outlet port steam ginseng Number simultaneously sends into pipe network by drum upper steam outlet conduit 7;And the high-temperature flue gas release heat working as gas fuel combustion generation leads to Overshoot passes to burner hearth front wall fin panel casing 8, wall fin panel casing 7, side wall fin panel casing 37 pass through after burner hearth After the radiation of wall water-cooled smokestack 23 and heat convection after burner hearth, high-temperature flue gas are turned 180 ° by reversal chamber, enter convection current afterwards and erect Well 102, parallel baffled aciculiform steam-generating bank 53 aciculiform economizer tube bank 50 and with part side wall fin panel casing 37, rear wall membrane type Water-cooling wall 19 carries out heat convection, and flue gas is discharged from the exhanst gas outlet 29 of lower portion thereof after body completes heat exchange.

Claims (10)

1. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing, the hot water type of furnace is it is characterised in that boiler is whole Body adopts cornue supporting construction, the fin panel casing that radiation of burner hearth heating surface is all combined, convection current using band steel and light pipe Heating surface all adopts with the pipe platen convective heating surface of pin wing strengthening, and burner centerline is perpendicular to burner hearth front wall film-type water-cooling Wall, horizontally disposed;Including burner hearth (101) and be arranged at burner hearth (101) rear to flow through shaft (102), described burner hearth (101) Front is provided with boiler front wall, and the described rear to flow through shaft (102) is provided with wall after boiler, the top of described burner hearth (101) It is disposed with side wall fin panel casing upper collecting chamber (12), the first communicating pipe (13), side wall fin panel casing by tandem Upper collecting chamber (14), burner hearth front-back wall water-cooling wall header (15), outlet header (17), the described top to flow through shaft (102) By tandem be disposed with side wall fin panel casing upper collecting chamber (14), second group of aciculiform tube bank header (20), second Communicating pipe (18), first group of aciculiform tube bank header (21), third connecting pipe (19), the lower section of described burner hearth (101) is by front Sequentially it is disposed with side wall fin panel casing lower header (2), the 4th communicating pipe (3), the distribution of burner hearth front-back wall water-cooling wall afterwards Header (5), side wall fin panel casing lower header (31), the described lower section to flow through shaft (102) is disposed with by tandem Side wall fin panel casing lower header (31), second group of aciculiform tube bank allocation set case (33), first group of aciculiform restrain allocation set case (32), described side wall fin panel casing upper collecting chamber (12) passes through side wall fin panel casing (10) and described side wall membrane type water Cold wall lower header (2) connect, described side wall fin panel casing upper collecting chamber (14) pass through side wall fin panel casing (36) with described Side wall fin panel casing lower header (31) is connected;
The upper end of front wall cornue (6) of described boiler front wall is connected with front wall cornue upper collecting chamber (11), and described front wall cornue collects Case (11) by connecting with described side wall fin panel casing upper collecting chamber (12) the first communicating pipe (13), described front wall cornue (6) Lower end connect with front wall cornue lower header (4) of boiler front wall lower end, described front wall cornue lower header (4) is by positioned at burner hearth (101) horizontal 4th communicating pipe (3) of bottom is connected with burner hearth front-back wall water-cooling wall distribution header (5), before and after described burner hearth Wall water-cooling wall distribution header (5) is connected with wall fin panel casing (7) after burner hearth front wall fin panel casing (8) and burner hearth respectively, institute After stating burner hearth front wall fin panel casing (8) and burner hearth, wall fin panel casing (7) is also converged with described burner hearth front-back wall water-cooling wall respectively Collection header (15) connection, described burner hearth front-back wall water-cooling wall header (15) passes through connecting tube (16) and outlet header (17) phase Connection, described side wall fin panel casing lower header (2) is passed through damping header (9) in the middle part of the 5th communicating pipe (35) and side wall and is connected Logical, in the middle part of described side wall, damping header (9) passes through the 6th communicating pipe (34) and described side wall fin panel casing upper collecting chamber (14) phase Connection;
Be provided with the tube bank of at least 1 group aciculiform in described (102) to flow through shaft, and connect and compose with upper and lower header respectively right side by side Flow tube screen;Described first group of aciculiform tube bank allocation set case (32) is passed through first group of aciculiform tube bank (27) and is converged with first group of aciculiform tube bank Collection header (21) is connected, and described first group of aciculiform tube bank header (21) passes through third connecting pipe (19) and rear wall transfer collection Case (24) is connected, and described second group of aciculiform tube bank allocation set case (33) passes through second group of aciculiform tube bank (28) and second group of aciculiform Tube bank header (20) is connected, and described second group of aciculiform tube bank header (20) passes through the second communicating pipe (18) and rear wall Fin panel casing distribution header (30) is connected, described rear wall fin panel casing distribution header (30) wall film after to flow through shaft Formula water-cooling wall (25) is connected with rear wall fin panel casing header (22), described rear wall fin panel casing header (22) It is connected with described side wall fin panel casing lower header (31) by rear corner pipe (26).
2. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 1, its feature It is, described burner hearth front-back wall water-cooling wall distribution header (5) is arranged in described burner hearth (101);Described burner hearth front wall membrane type water After cold wall (8) and burner hearth, wall fin panel casing (7) is oppositely arranged in forward and backward in described burner hearth (101), constitutes a kind of and upper and lower Header line centrosymmetric " o " tee section structure;Wall fin panel casing after described burner hearth front wall fin panel casing (8) and burner hearth (7) upper end is all connected with described burner hearth front-back wall water-cooling wall header (15);Described burner hearth front wall fin panel casing (8) All it is connected with described burner hearth front-back wall water-cooling wall distribution header (5) with the lower end of wall fin panel casing (7) after burner hearth;Burner hearth (101) it is by wall fin panel casing (7), both walls fin panel casing and burner hearth after burner hearth front wall fin panel casing (8), burner hearth Front-back wall water-cooling wall header (15) and burner hearth front-back wall water-cooling wall distribute the closing space that header (5) is constituted, wall after burner hearth Fin panel casing (7) top forms furnace outlet smokestack (23) after having loose bowels.
3. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 1, its feature Be, described front wall cornue (6) inlay card together in described boiler front wall outer wall two incline at;Pipe (26) inlay card in corner is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header (22) is arranged at the upper of described rear corner pipe (26) Side, described rear wall transfer header (24) is arranged at the middle part of described rear corner pipe (26), described rear wall fin panel casing allocation set Case (30) is arranged at the lower section of described rear corner pipe (26).
4. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 1, its feature Be, described rear wall transfer header (24) and described rear wall fin panel casing distribution header (30) and rear corner manage (26) be non- The formula that is conducted is arranged.
5. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 1, its feature It is, the convection heating surface in described (102) to flow through shaft by light pipe and is welded in the pin wing that the pin wing of light pipe surface forms Pipe convection bank, aciculiform tube bank declines with cigarette temperature and to adopt pin wing step-by-step arrangement mode so that flue gas and Needle fin tube convection bank Light pipe be in parallel baffled, and pin wing be in horizontal or oblique wash away, pin wing length increases successively with cigarette temperature drop is low, formed Needle fin tube expand Exhibition convection heating surface.
6. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing, the steam type of furnace is it is characterised in that include Burner hearth (101) and be arranged at burner hearth (101) rear to flow through shaft (102), before the front of described burner hearth (101) is provided with boiler Wall, the described rear to flow through shaft (102) is provided with wall after boiler, and the top of described burner hearth (101) is set successively by tandem It is equipped with drum (39), side wall fin panel casing upper collecting chamber (38), vapor removal pipe group (42), hot water guiding tube (43), Ji Qiji Case (41), burner hearth front water wall header (44), burner hearth rear water wall header (45), described to flow through shaft (102) top is disposed with aciculiform steam-generating bank header (48) by tandem, the tube bank of aciculiform economizer collects collection Case (49), the lower section of described burner hearth (101) is disposed with side wall fin panel casing lower header (1) by tandem, before burner hearth Rear water wall distribution header (5), the described lower section to flow through shaft (102) is disposed with aciculiform steam-generating bank by tandem Distribution header (52), aciculiform economizer tube bank allocation set case (51), described side wall fin panel casing upper collecting chamber (38) passes through side wall Fin panel casing (37) is connected with described side wall fin panel casing lower header (1);
The upper end of front wall cornue (6) of described boiler front wall is connected with drum (39), described drum (39) and described side wall membrane type Water-cooling wall upper collecting chamber (38) connects, and described side wall fin panel casing upper collecting chamber (38) is by described vapor removal pipe group (42) and institute State collection vapour header (41) to be connected, described collection vapour header (41) is connected with described drum (39), the lower end of described front wall cornue (6) Connect with described side wall fin panel casing lower header (1), described side wall fin panel casing lower header (1) and burner hearth front-back wall water-cooled Wall distribution header (5) is connected, described burner hearth front-back wall water-cooling wall distribution header (5) respectively with burner hearth front wall fin panel casing (8) wall fin panel casing (7) connects and after burner hearth, described burner hearth front wall fin panel casing (8) and described burner hearth front water wall Header (44) connects, and after described burner hearth, wall fin panel casing (7) and described burner hearth rear water wall header (45) connect Connect, described burner hearth front water wall header (44) is passed through connecting tube and is connected with described collection vapour header (41), described burner hearth Rear water wall header (45) is passed through connecting tube and is connected with described collection vapour header (41);
It is provided with least 1 group aciculiform steam-generating bank and at least 1 group aciculiform economizer tube bank in described (102) to flow through shaft, and point Do not connect and compose convection current tube panel side by side with upper and lower header;Described side wall fin panel casing lower header (1) and described aciculiform evaporation tube Bundle distribution header (52) connects, described aciculiform steam-generating bank distribution header (52) respectively by described aciculiform steam-generating bank with described Aciculiform steam-generating bank header (48) is connected, and described aciculiform steam-generating bank header (48) passes through the first connecting tube respectively (46) it is connected with described collection vapour header (41), described aciculiform economizer tube bank allocation set case (51) is by described aciculiform economizer Tube bank is connected with described aciculiform economizer tube bank header (49), and described aciculiform economizer tube bank header (49) is passed through Described hot water guiding tube (43) is connected with described drum (39);
Described boiler side wall fin panel casing upper collecting chamber (38) is same to be connected with corner pipe (26) after boiler, corner after described boiler Pipe (26) is connected with rear wall fin panel casing distribution header (30), and described rear wall fin panel casing distribution header (30) passes through convection current After vertical shaft, wall fin panel casing (25) is connected with rear wall fin panel casing header (22), and described rear wall fin panel casing converges Collection header (22) is passed through the second connecting tube (47) and is connected with described collection vapour header (41).
7. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 6, its feature It is, described burner hearth front-back wall water-cooling wall distribution header (5) is arranged in described burner hearth (101);Described burner hearth front wall membrane type water After cold wall (8) and described burner hearth wall fin panel casing (7) in described burner hearth (101) be in forward and backward be oppositely arranged, constitute a kind of with Upper lower header line centrosymmetric " o " tee section structure.Before described burner hearth front wall fin panel casing (8) upper end and described burner hearth Wall water-cooling wall header (44) is connected, wall fin panel casing (7) upper end and described burner hearth rear water wall after described burner hearth Header (45) is connected;After described burner hearth front wall fin panel casing (8) and burner hearth the lower end of wall fin panel casing (7) all with Described burner hearth front-back wall water-cooling wall distribution header (5) is connected;Burner hearth (101) is by burner hearth front wall fin panel casing (8), burner hearth Wall water-cooled after wall fin panel casing (7), both walls fin panel casing and burner hearth front water wall header (44), burner hearth afterwards Wall header (45) and burner hearth front-back wall water-cooling wall distribute the closing space that header (5) is constituted, wall fin panel casing after burner hearth (7) form furnace outlet smokestack (23) after have loose bowels in top.
8. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 6, its feature It is, after described boiler, corner pipe (26) and described side wall fin panel casing lower header (1) are the non-formula arrangement that is conducted, described pot Furnace rear corner pipe (26) and described rear wall fin panel casing header (22) are the non-formula arrangement that is conducted.
9. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 6, its feature Be, described front wall cornue (6) inlay card together in described boiler front wall outer wall two incline at;Pipe (26) inlay card in corner is together in described afterwards At wall outer wall two incline after boiler, described rear wall fin panel casing header (22) is arranged at the upper of described rear corner pipe (26) Side, described rear wall fin panel casing distributes the lower section that header (30) is arranged at described rear corner pipe (26).
10. a kind of fuel-firing gas-firing corner tube boiler structure strengthening convection current tube panel with pin wing according to claim 6, its feature It is, the convection heating surface in described (102) to flow through shaft by light pipe and is welded in the pin wing that the pin wing of light pipe surface forms Pipe convection bank, aciculiform tube bank declines with cigarette temperature and to adopt pin wing step-by-step arrangement mode so that flue gas and Needle fin tube convection bank Light pipe be in parallel baffled, and pin wing be in horizontal or oblique wash away, pin wing length increases successively with cigarette temperature drop is low, formed Needle fin tube expand Exhibition convection heating surface.
CN201410384143.7A 2014-08-06 2014-08-06 Fuel oil and fuel gas angle pipe boiler structure for strengthening convection pipe screen through needle fins Active CN104154661B (en)

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CN104154661A (en) 2014-11-19

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