CN104154661A - 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
CN104154661A
CN104154661A CN201410384143.7A CN201410384143A CN104154661A CN 104154661 A CN104154661 A CN 104154661A CN 201410384143 A CN201410384143 A CN 201410384143A CN 104154661 A CN104154661 A CN 104154661A
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China
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wall
header
burner hearth
panel casing
fin panel
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CN201410384143.7A
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CN104154661B (en
Inventor
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 with pin wing strengthening convection current tube panel
Technical field
The present invention relates to boiler plant technical field, be specifically related to a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, comprise two kinds of different structures of steam boiler, hot-water boiler.
Background technology
In recent years, along with verifying of domestic Long Gang, great Bei, several new large-scale natural gas gas fields such as gram dark and PetroChina Company Limited. head's celebrating Ji plateau, Shuan Miaodeng oil field, Zhangwu, increasing small scall coal-fired boiler is replaced by oil-burning gas-fired boiler.Compared to coal-burning boiler, oil-burning gas-fired boiler can fundamentally solve many environmental problems such as discharge of dust, waste water, waste residue, pernicious gas.Wherein, that corner tube type oil-burning gas-fired boiler has advantages of is rational in infrastructure, raw materials consumption is few, long-term operation is safe and reliable, energy-efficient and reduce 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 at long-term operation secure context for existing cornue technology:
1) traditional corner-tube hot-water boiler, flue back-end surfaces adopts the Flag pattern heat surface of flue gas transversal flow more and only by snakelike light pipe, is arranged, on the one hand, steel consumption and the volume of boiler have been increased, the elbow that coiled pipe is numerous has greatly increased Working fluid flow resistance, and on the other hand, smoke gas flow is when flue back-end surfaces, because heat exchange area is less, cause the heat exchange between flue gas and heating surface not good.
2) traditional corner tube type steam boiler, only using burner hearth front-back wall water-cooling wall and side water wall as evaporating heating surface, and flue-gas temperature still higher to flow through shaft in, heating surface is as just economizer surface, the heat of failing to make full use of this part high-temperature flue gas, greatly reduces boiler efficiency.
Summary of the invention
The deficiency existing in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, comprise two kinds of different types of hot-water boiler and steam boiler, all with pin wing segmentation strengthening convection bank and pin wing length, with cigarette temperature drop is low, increase successively, increased mean heat transfer coefficient and heat exchange area; This type boiler structure is compact, and air-tightness is good, leaks out few, and efficiency of combustion is high, 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 with pin wing strengthening convection current tube panel, its hot water type of furnace, the whole cornue supporting construction that adopts of boiler, the fin panel casing that radiation of burner hearth heating surface all adopts band steel and light pipe to combine, convection heating surface all adopts the pipe platen convective heating surface with the strengthening of pin wing, burner center line is perpendicular to burner hearth front wall fin panel casing, horizontally disposed, comprise burner hearth 101 and be arranged at burner hearth 101 rears to flow through shaft 102, the place ahead of described burner hearth 101 is provided with boiler front wall, the described rear to flow through shaft 102 is provided with wall after boiler, the top of described burner hearth 101 is sequentially disposed with side wall II fin panel casing upper collecting chamber 12 by front and back, the first communicating pipe 13, side wall I fin panel casing upper collecting chamber 14, burner hearth front-back wall water-cooling wall header 15, outlet header 17, described the top of flow through shaft 102 is sequentially disposed with to side wall I fin panel casing upper collecting chamber 14 by front and back, second group of aciculiform tube bank header 20, the second communicating pipe 18, first group of aciculiform tube bank header 21, third connecting pipe 19, the below of described burner hearth 101 is sequentially disposed with side wall II fin panel casing lower header 2 by front and back, the 4th communicating pipe 3, burner hearth front-back wall water-cooling wall distributes header 5, side wall I fin panel casing lower header 31, described the below of flow through shaft 102 is sequentially disposed with to side wall I fin panel casing lower header 31 by front and back, second group of aciculiform tube bank allocation set case 33, first group of aciculiform tube bank allocation set case 32, described side wall II fin panel casing upper collecting chamber 12 is communicated with described side wall II fin panel casing lower header 2 by side wall II fin panel casing 10, described side wall I fin panel casing upper collecting chamber 14 is connected with described side wall I fin panel casing lower header 31 by side wall I fin panel casing 36,
The upper end of the front wall cornue 6 of described boiler front wall is communicated with front wall cornue upper collecting chamber 11, described front wall cornue upper collecting chamber 11 is by being communicated with described side wall II fin panel casing upper collecting chamber 12 the first communicating pipe 13, the lower end of described front wall cornue 6 is communicated with the front wall cornue lower header 4 of boiler front wall lower end, described front wall cornue lower header 4 distributes header 5 to be connected by being positioned at the 4th communicating pipe 3 of level of burner hearth 101 bottoms with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header 5 to be connected with wall fin panel casing 7 after burner hearth front wall fin panel casing 8 and burner hearth respectively, after described burner hearth front wall fin panel casing 8 and burner hearth, wall fin panel casing 7 is also communicated 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 tube connector 16, described side wall II fin panel casing lower header 2 was communicated with side wall middle part damping header 9 by the 5th communicating pipe 35, described side wall middle part damping header 9 was connected with described side wall I fin panel casing upper collecting chamber 14 by the 6th communicating pipe 34,
Described to being provided with at least 1 group aciculiform tube bank in flow through shaft 102, and connect and compose convection current tube panel side by side with upper and lower header respectively.Described first group of aciculiform tube bank allocation set case 32 is connected with first group of aciculiform tube bank header 21 by first group of aciculiform tube bank 27, described first group of aciculiform tube bank header 21 is connected with rear wall transfer header 24 by third connecting pipe 19, described second group of aciculiform tube bank allocation set case 33 is connected with second group of aciculiform tube bank header 20 by second group of aciculiform tube bank 28, described second group of aciculiform tube bank header 20 distributes header 30 to be connected by the second communicating pipe 18 and rear wall fin panel casing, described rear wall fin panel casing distributes header 30 by wall fin panel casing 25 after flow through shaft is connected with rear wall fin panel casing header 22, described rear wall fin panel casing header 22 is connected with described side wall I fin panel casing lower header 31 by rear corner pipe 26.
Described burner hearth front-back wall water-cooling wall distributes header 5 to be arranged in described burner hearth 101; After described burner hearth front wall fin panel casing 8 and burner hearth, wall fin panel casing 7 is forward and backward and is oppositely arranged in described burner hearth 101, forms a kind of and upper lower header line centrosymmetric " O " tee section structure; The upper end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth is all connected with described burner hearth front-back wall water-cooling wall header 15; The lower end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth all distributes header 5 to be connected with described burner hearth front-back wall water-cooling wall; Burner hearth 101 is the enclosure spaces that distribute header 5 to form by wall fin panel casing 7, both walls fin panel casing and burner hearth front-back wall water-cooling wall header 15 after burner hearth front wall fin panel casing 8, burner hearth and burner hearth front-back wall water-cooling wall, and after burner hearth, wall fin panel casing 7 tops form furnace outlet smokestack 23 after having loose bowels.
Described front wall cornue 6 embeddings are sticked in described boiler front wall outer wall two incline places; Rear corner is managed 26 embeddings and is sticked in wall outer wall two incline places after described 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 distributes header 30 to be arranged at the below of described rear corner pipe 26.
Described rear wall transfer header 24 and described rear wall fin panel casing distribute header 30 and rear corner pipe 26 to be the non-formula layout that is conducted.
A kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, its steam type of furnace, include burner hearth 101 and be arranged at burner hearth 101 rears to flow through shaft 102, the place ahead of described burner hearth 101 is provided with boiler front wall, the described rear to flow through shaft 102 is provided with wall after boiler, the top of described burner hearth 101 is sequentially disposed with drum 39 by front and back, side wall fin panel casing upper collecting chamber 38, steam separator tube group 42, hot water guiding tube 43, collection vapour header 41, burner hearth front water wall header 44, burner hearth rear water wall header 45, described the top of flow through shaft 102 is sequentially disposed with to aciculiform steam-generating bank header 48 by front and back, aciculiform economizer tube bank header 49, the below of described burner hearth 101 is sequentially disposed with side wall fin panel casing lower header 1 by front and back, burner hearth front-back wall water-cooling wall distributes header 5, describedly the below of flow through shaft 102 is sequentially disposed with to aciculiform steam-generating bank by front and back distributes header 52, aciculiform economizer tube bank allocation set case 51, described side wall fin panel casing upper collecting chamber 38 is communicated with described side wall fin panel casing lower header 1 by side wall fin panel casing 37,
The upper end of the front wall cornue 6 of described boiler front wall is communicated with drum 39, described drum 39 is communicated with described side wall fin panel casing upper collecting chamber 38, described side wall fin panel casing upper collecting chamber 38 is connected with described collection vapour header 41 by described steam separator tube group 42, described collection vapour header 41 is communicated with described drum 39, the lower end of described front wall cornue 6 is communicated with described side wall fin panel casing lower header 1, described side wall fin panel casing lower header 1 distributes header 5 to be connected with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header 5 to be 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 is connected with described burner hearth front water wall header 44, after described burner hearth, wall fin panel casing 7 is connected with described burner hearth rear water wall header 45, described burner hearth front water wall header 44 is connected with described collection vapour header 41 by tube connector, described burner hearth rear water wall header 45 is connected with described collection vapour header 41 by tube connector,
Described to being provided with at 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 distributes header 52 to be connected with described aciculiform steam-generating bank, described aciculiform steam-generating bank distributes header 52 by described aciculiform steam-generating bank, to be connected with described aciculiform steam-generating bank header 48 respectively, described aciculiform steam-generating bank header 48 is connected with described collection vapour header 41 by the first tube connector 46 respectively, described aciculiform economizer tube bank allocation set case 51 is connected with described aciculiform economizer tube bank header 49 by described aciculiform economizer tube bank, described aciculiform economizer tube bank header 49 is connected with described drum 39 by described hot water guiding tube 43,
Described boiler side wall fin panel casing upper collecting chamber 38 is communicated with corner pipe 26 after boiler equally, after described boiler, corner pipe 26 distributes header 30 to be communicated with rear wall fin panel casing, described rear wall fin panel casing distributes header 30 by wall fin panel casing 25 after flow through shaft is connected with rear wall fin panel casing header 22, and described rear wall fin panel casing header 22 is connected with described collection vapour header 41 by the second tube connector 47.
Described burner hearth front-back wall water-cooling wall distributes header 5 to be arranged in described burner hearth 101; After described burner hearth front wall fin panel casing 8 and described burner hearth, wall fin panel casing 7 is forward and backward and is oppositely arranged in described burner hearth 101, forms a kind of and upper lower header line centrosymmetric " O " tee section structure.Described burner hearth front wall fin panel casing 8 upper ends are connected with described burner hearth front water wall header 44, and after described burner hearth, wall fin panel casing 7 upper ends are connected with described burner hearth rear water wall header 45; The lower end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth all distributes header 5 to be connected with described burner hearth front-back wall water-cooling wall; Burner hearth 101 is that after burner hearth, wall fin panel casing 7 tops form furnace outlet smokestack 23 after having loose bowels by the enclosure space that after burner hearth front wall fin panel casing 8, burner hearth, wall fin panel casing 7, 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 distribute header 5 to form.
After described boiler, corner pipe 26 is that the non-formula that is conducted is arranged with described side wall fin panel casing lower header 1, and after described boiler, corner pipe 26 is the non-formula layout that is conducted with described rear wall fin panel casing header 22.
Described front wall cornue 6 embeddings are sticked in described boiler front wall outer wall two incline places; Rear corner is managed 26 embeddings and is sticked in wall outer wall two incline places after described boiler, and described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, and described rear wall fin panel casing distributes header 30 to be arranged at the below of described rear corner pipe 26.
The described Needle fin tube convection bank that convection heating surface in flow through shaft 102 is comprised of light pipe and the pin wing that is welded in light pipe surface, aciculiform tube bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature, make the light pipe of flue gas and Needle fin tube convection bank be parallel baffled, being horizontal or oblique with pin wing washes away, pin wing length increases successively with cigarette temperature drop is low, forms Needle fin tube expansion convection heating surface.
Compared to the prior art, beneficial effect is in the present invention:
1) in a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention, hot-water boiler and steam boiler convection bank surface all form aciculiform tube bank with the strengthening of pin wing, aciculiform tube bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature, the light pipe of flue gas and Needle fin tube convection bank is parallel baffled, pin wing is horizontal or oblique and washes away, pin wing length increases successively with cigarette temperature drop is low, form Needle fin tube expansion convection heating surface, mean heat transfer coefficient and heat exchange area have been increased, strengthen heat exchange, reduced steel consumption and boiler manufacture cost simultaneously.
2) in a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention, boiler is all arranged vertically flow through shaft internal heating surface, compare 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) in a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention, steam boiler is arranged vertically evaporating heating surface and economizer surface in to flow through shaft in a creative way first simultaneously, make boiler structure more compact, make high-temperature flue gas utilization in flow through shaft more fully, boiler efficiency improves greatly.
4) a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention is after having a power failure suddenly, and automatic blow off valve valve air relief is opened, and header, down-comer and tedge can form natural convection loop again, have superpower power-failure protecting function.
Accompanying drawing explanation
Fig. 1 is the side view of a kind of fuel-firing gas-firing corner tube boiler hot water furnace type structure with pin wing strengthening convection current tube panel of the present invention.
Fig. 2 is the front view of a kind of fuel-firing gas-firing corner tube boiler hot water furnace type structure with pin wing strengthening convection current tube panel of the present invention.
Fig. 3 is the side view of a kind of fuel-firing gas-firing corner tube boiler steam furnace type structure with pin wing strengthening convection current tube panel of the present invention;
Fig. 4 is the front view of a kind of fuel-firing gas-firing corner tube boiler steam furnace type structure with pin wing strengthening convection current tube panel of the present invention.
Fig. 5 is that a kind of fuel-firing gas-firing corner tube boiler hot water furnace type structure with pin wing strengthening convection current tube panel of the present invention is to arbitrary number of level convection bank profile in flow through shaft.
Fig. 6 is that a kind of fuel-firing gas-firing corner tube boiler steam furnace type structure with pin wing strengthening convection current tube panel of the present invention is to organizing arbitrarily convection bank profile in flow through shaft.
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 II fin panel casing lower header, 3. the 4th communicating pipe, 4. front wall cornue lower header 5. burner hearth front-back wall water-cooling walls distribute header, 6. wall fin panel casing after front wall cornue 7. burner hearths, 8. burner hearth front wall fin panel casing, 9. side wall middle part damping header, 10. side wall II fin panel casing, 11. front wall cornue upper collecting chambers, 12. side wall II fin panel casing upper collecting chambers, 13. first communicating pipes, 14. side wall I fin panel casing upper collecting chambers, 15. burner hearth front-back wall water-cooling wall headers, 16. tube connectors, 17. outlet headers, 18. second communicating pipes, 19. third connecting pipes, 20. second groups of aciculiform tube bank headers, 21. first groups of aciculiform tube bank headers, 22. rear wall fin panel casing headers, wall water-cooled smokestack after 23. burner hearths, 24. rear wall transfer headers, wall fin panel casing after 25. pairs of flow through shaft, 27. first groups of aciculiform tube banks of 26. rear corner pipes, 28. second groups of aciculiform tube banks, 29. exhanst gas outlets, 30. rear wall fin panel casings distribute header, 31. side wall I fin panel casing lower headers, 32. first groups of aciculiform tube bank allocation set casees, 33. second groups of aciculiform tube bank allocation set casees, 34. the 6th communicating pipes, 35. the 5th communicating pipes, 36. side wall I fin panel casings, 101. burner hearth, 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 casings, 38. side wall fin panel casing upper collecting chambers, 39. drums, 40. steam outlet pipe roads, 41. collection vapour headers, 42. steam separator tube groups, 43. hot water guiding tubes, 44. burner hearth front water wall headers, 45. burner hearth rear water wall headers, 46. first tube connectors, 47. second tube connectors, 48. aciculiform steam-generating bank headers, 49. aciculiform economizer tube bank headers, 22. rear wall fin panel casing headers, 26. rear corner pipes, wall fin panel casing after 25. pairs of flow through shaft, 7. wall fin panel casing after burner hearth, 50. aciculiform economizer tube banks, 30. rear wall fin panel casings distribute header, 51. aciculiform economizer tube bank allocation set casees, 52. aciculiform steam-generating banks distribute header, 5. burner hearth front-back wall water-cooling wall distributes header, wall water-cooled smokestack after 23. burner hearths, 29. exhanst gas outlets, 53. aciculiform steam-generating banks, 101. burner hearth, 102. pairs of flow through shaft.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention, its hot water furnace type structure as depicted in figs. 1 and 2, the whole cornue supporting construction that adopts of boiler, the fin panel casing that radiation of burner hearth heating surface all adopts band steel and light pipe to combine, convection bank all adopts the pipe platen convective heating surface with the strengthening of pin wing, burner center line is perpendicular to burner hearth front wall fin panel casing, horizontally disposed.Comprise burner hearth 101 and be arranged at burner hearth 101 rears to flow through shaft 102, the place ahead of described burner hearth 101 is provided with boiler front wall, the described rear to flow through shaft 102 is provided with wall after boiler, the top of described burner hearth 101 is sequentially disposed with side wall II fin panel casing upper collecting chamber 12 by front and back, the first communicating pipe 13, side wall I fin panel casing upper collecting chamber 14, burner hearth front-back wall water-cooling wall header 15, outlet header 17, described the top of flow through shaft 102 is sequentially disposed with to side wall I fin panel casing upper collecting chamber 14 by front and back, second group of aciculiform tube bank header 20, the second communicating pipe 18, first group of aciculiform tube bank header 21, third connecting pipe 19, the below of described burner hearth 101 is sequentially disposed with side wall II fin panel casing lower header 2 by front and back, the 4th communicating pipe 3, burner hearth front-back wall water-cooling wall distributes header 5, side wall I fin panel casing lower header 31, described the below of flow through shaft 102 is sequentially disposed with to side wall I fin panel casing lower header 31 by front and back, second group of aciculiform tube bank allocation set case 33, first group of aciculiform tube bank allocation set case 32, described side wall II fin panel casing upper collecting chamber 12 is communicated with described side wall II fin panel casing lower header 2 by side wall II fin panel casing 10, described side wall I fin panel casing upper collecting chamber 14 is connected with described side wall I fin panel casing lower header 31 by side wall I fin panel casing 36,
The upper end of the front wall cornue 6 of described boiler front wall is communicated with front wall cornue upper collecting chamber 11, described front wall cornue upper collecting chamber 11 is by being communicated with described side wall II fin panel casing upper collecting chamber 12 the first communicating pipe 13, the lower end of described front wall cornue 6 is communicated with the front wall cornue lower header 4 of boiler front wall lower end, described front wall cornue lower header 4 distributes header 5 to be connected by being positioned at the 4th communicating pipe 3 of level of burner hearth 101 bottoms with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header 5 to be connected with wall fin panel casing 7 after burner hearth front wall fin panel casing 8 and burner hearth respectively, after described burner hearth front wall fin panel casing 8 and burner hearth, wall fin panel casing 7 is also communicated 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 tube connector 16, described side wall II fin panel casing lower header 2 was communicated with side wall middle part damping header 9 by the 5th communicating pipe 35, described side wall middle part damping header was connected with described side wall I fin panel casing upper collecting chamber 14 by the 6th communicating pipe 34.
Described to being provided with at least 1 group aciculiform tube bank in flow through shaft 102, in the hot water type of furnace shown in Fig. 1 and Fig. 2, to being provided with 2 groups of aciculiform tube banks in flow through shaft 102: first group of aciculiform tube bank 27 of boiler and second group of aciculiform tube bank 28 of boiler, its any one group of aciculiform tube bank is arranged profile as shown in Figure 5, described first group of aciculiform tube bank allocation set case 32 is connected with first group of aciculiform tube bank header 21 by first group of aciculiform tube bank 27, described first group of aciculiform tube bank header 21 is connected with rear wall transfer header 24 by third connecting pipe 19, described second group of aciculiform tube bank allocation set case 33 is connected with second group of aciculiform tube bank header 20 by second group of aciculiform tube bank 28, described second group of aciculiform tube bank header 20 distributes header 30 to be connected by the second communicating pipe 18 and rear wall fin panel casing, described rear wall fin panel casing distributes header 30 by wall fin panel casing 25 after flow through shaft is connected with rear wall fin panel casing header 22, described rear wall fin panel casing header 22 is connected with described side wall I fin panel casing lower header 31 by rear corner pipe 26.
Described burner hearth front-back wall water-cooling wall distributes header 5 to be arranged in described burner hearth 101; After described burner hearth front wall fin panel casing 8 and burner hearth, wall fin panel casing 7 is forward and backward and is oppositely arranged in described burner hearth 101, forms a kind of and upper lower header line centrosymmetric " O " tee section structure.Burner hearth 101 is the enclosure spaces that distribute header 5 to form by wall fin panel casing 7, both walls fin panel casing and burner hearth front-back wall water-cooling wall header 15 after burner hearth front wall fin panel casing 8, burner hearth and burner hearth front-back wall water-cooling wall, and after burner hearth, wall fin panel casing 7 tops form furnace outlet smokestack 23 after having loose bowels.
The described Needle fin tube convection bank that convection bank in flow through shaft 102 is comprised of light pipe and the pin wing that is welded in light pipe surface, Needle fin tube convection bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature: cigarette temperature higher position adopts staight needle shape pin wing as shown in Figure 7 and Figure 8, cigarette temperature lower adopts oblique aciculiform pin wing as shown in Figure 9 and Figure 10, make the light pipe of flue gas and Needle fin tube convection bank be parallel baffled, being horizontal or oblique with pin wing washes away, pin wing length increases successively with cigarette temperature drop is low, forms Needle fin tube expansion convection heating surface.
Described front wall cornue 6 embeddings are sticked in described boiler front wall outer wall two incline places; Rear corner is managed 26 embeddings and is sticked in wall outer wall two incline places after described 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 distributes header 30 to be arranged at the below of described rear corner pipe 26.
The upper end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth is all connected with described burner hearth front-back wall water-cooling wall header 15; The lower end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth all distributes header 5 to be connected with described burner hearth front-back wall water-cooling wall.
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 pipes, by band steel, is welded to form successively.Described side wall I fin panel casing 36 is identical with side wall II fin panel casing 10 structures, by many light pipes, by band steel, is welded to form successively.Described to wall fin panel casing 25 after flow through shaft, by many light pipes, by band steel, be welded to form successively.
Described rear wall transfer header 24 and described rear wall fin panel casing distribute header 30 and rear corner pipe 26 to be the non-formula layout that is conducted.
A kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, its steam furnace type structure as shown in Figure 3 and Figure 4, the whole cornue supporting construction that adopts of boiler, the fin panel casing that radiation of burner hearth heating surface all adopts band steel and light pipe to combine, convection heating surface all adopts the pipe platen convective heating surface with the strengthening of pin wing, burner center line is perpendicular to burner hearth front wall fin panel casing, horizontally disposed.Include burner hearth 101 and be arranged at burner hearth 101 rears to flow through shaft 102, the place ahead of described burner hearth 101 is provided with boiler front wall, the described rear to flow through shaft 102 is provided with wall after boiler, the top of described burner hearth 101 is sequentially disposed with drum 39 by front and back, side wall fin panel casing upper collecting chamber 38, steam separator tube group 42, hot water guiding tube 43, collection vapour header 41, burner hearth front water wall header 44, burner hearth rear water wall header 45, described the top of flow through shaft 102 is sequentially disposed with to aciculiform steam-generating bank header 48 by front and back, aciculiform economizer tube bank header 49, the below of described burner hearth 101 is sequentially disposed with side wall fin panel casing lower header 1 by front and back, burner hearth front-back wall water-cooling wall distributes header 5, describedly the below of flow through shaft 102 is sequentially disposed with to aciculiform steam-generating bank by front and back distributes header 52, aciculiform economizer tube bank allocation set case 51, described side wall fin panel casing upper collecting chamber 38 is communicated with described side wall fin panel casing lower header 1 by side wall fin panel casing 37.
The upper end of the front wall cornue 6 of described boiler front wall is communicated with drum 39, described drum 39 is communicated with described side wall fin panel casing upper collecting chamber 38, described side wall fin panel casing upper collecting chamber 38 is connected with described collection vapour header 41 by described steam separator tube group 42, described collection vapour header 41 is communicated with described drum 39, the lower end of described front wall cornue 6 is communicated with described side wall fin panel casing lower header 1, described side wall fin panel casing lower header 1 distributes header 5 to be connected with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header 5 to be 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 is connected with described burner hearth front water wall header 44, after described burner hearth, wall fin panel casing 7 is connected with described burner hearth rear water wall header 45, described burner hearth front water wall header 44 is connected with described collection vapour header 41 by tube connector, described burner hearth rear water wall header 45 is connected with described collection vapour header 41 by tube connector.
Described to being provided with at 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 tube bank 50 in flow through shaft 102, its any one group of aciculiform tube bank is arranged profile as shown in Figure 6, described side wall fin panel casing lower header 1 distributes header 52 to be connected with described aciculiform steam-generating bank, described aciculiform steam-generating bank distributes header 52 by described aciculiform steam-generating bank 53, to be connected with described aciculiform steam-generating bank header 48 respectively, described aciculiform steam-generating bank header 48 is connected with described collection vapour header 41 by the first tube connector 46 respectively, described aciculiform economizer tube bank allocation set case 51 is connected with described aciculiform economizer tube bank header 49 by described aciculiform economizer tube bank 50, described aciculiform economizer tube bank header 49 is connected with described drum 39 by described hot water guiding tube 43.
Described boiler side wall fin panel casing upper collecting chamber 38 is communicated with corner pipe 26 after boiler equally, after described boiler, corner pipe 26 distributes header 30 to be communicated with rear wall fin panel casing, described rear wall fin panel casing distributes header 30 by wall fin panel casing 25 after flow through shaft is connected with rear wall fin panel casing header 22, and described rear wall fin panel casing header 22 is connected with described collection vapour header 41 by the second tube connector 47.
Described burner hearth front-back wall water-cooling wall distributes header 5 to be arranged in described burner hearth 101; After described burner hearth front wall fin panel casing 8 and described burner hearth, wall fin panel casing 7 is forward and backward and is oppositely arranged in described burner hearth 101, forms a kind of and upper lower header line centrosymmetric " O " tee section structure.Burner hearth 101 is that after burner hearth, wall fin panel casing 7 tops form furnace outlet smokestack 27 after having loose bowels by the enclosure space that after burner hearth front wall fin panel casing 8, burner hearth, wall fin panel casing 7, 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 distribute header 5 to form.
The described Needle fin tube convection bank that convection bank in flow through shaft 102 is comprised of light pipe and the pin wing that is welded in light pipe surface, aciculiform tube bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature: cigarette temperature higher position adopts staight needle shape pin wing as shown in Figure 7 and Figure 8, cigarette temperature lower adopts oblique aciculiform pin wing as shown in Figure 9 and Figure 10, make the light pipe of flue gas and Needle fin tube convection bank be parallel baffled, being horizontal or oblique with pin wing washes away, pin wing length increases successively with cigarette temperature drop is low, forms Needle fin tube expansion convection heating surface.
After described boiler, corner pipe 26 is that the non-formula that is conducted is arranged with described side wall fin panel casing lower header 1, and after described boiler, corner pipe 26 is the non-formula layout that is conducted with described rear wall fin panel casing header 22.
Described front wall cornue 6 embeddings are sticked in described boiler front wall outer wall two incline places; Rear corner is managed 26 embeddings and is sticked in wall outer wall two incline places after described boiler, and described rear wall fin panel casing header 22 is arranged at the top of described rear corner pipe 26, and described rear wall fin panel casing distributes header 30 to be arranged at the below of described rear corner pipe 26.
Described burner hearth front wall fin panel casing 8 upper ends are connected with described burner hearth front water wall header 44, and after described burner hearth, wall fin panel casing 7 upper ends are connected with described burner hearth rear water wall header 45; The lower end of described burner hearth front wall fin panel casing 8 and wall fin panel casing 7 after burner hearth all distributes header 5 to be connected with described burner hearth front-back wall water-cooling wall.
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 pipes, by band steel, is welded to form successively.Described side wall fin panel casing 37 is welded to form by band steel successively by many light pipes.Described to wall fin panel casing 25 after flow through shaft, by many light pipes, by band steel, be welded to form successively.
The hot-water boiler operation principle of a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention is as follows:
In economizer, heated water sends into by feed pipe the first group of aciculiform tube bank allocation set case 32 being connected with first group of aciculiform tube bank 27 after mixing with part boiler blow-down water, first group of aciculiform tube bank 27 given in uniform distribution, and absorb high-temperature flue gas liberated heat in flow through shaft 102 in rising flow process, be heated to after preset temperature, enter first group of aciculiform tube bank header 21 of restraining 27 top conductings with first group of aciculiform, then by third connecting pipe 19, working medium is caused to the rear wall transfer header 24 that is positioned at wall middle part after boiler, by tube connector, working medium is caused to second group of aciculiform tube bank allocation set case 32, second group of aciculiform tube bank 28 given in uniform distribution, and absorb high-temperature flue gas liberated heat in flow through shaft 102 in rising flow process, be heated to after preset temperature, enter second group of aciculiform tube bank header 20 of restraining 28 top conductings with second group of aciculiform, then by the second communicating pipe 18, working medium is caused with the rear wall fin panel casing that wall fin panel casing 25 after flow through shaft is connected and distributes header 30, uniform distribution is given wall solid matter fin panel casing 25 after flow through shaft, in rising flow process, absorb high-temperature flue gas liberated heat in flow through shaft 102, be heated to after higher temperature, enter and the rear wall fin panel casing header 22 that wall fin panel casing 25 tops after flow through shaft are conducted, and hot water is distributed to the rear corner pipe 26 of wall outer wall two inclines after boiler, Doenward flow is not heated, enter and the rear corner pipe 26 side wall I fin panel casing lower headers 31 that are conducted, by side wall I fin panel casing 36, absorbing high-temperature flue gas liberated heat rises mobile, be heated to after higher temperature, enter side wall I fin panel casing upper collecting chamber 14, after mixing in side wall I fin panel casing upper collecting chamber 14, by causing middle part bradyseism header 9 the 6th communicating pipe 34, after mixing in middle part bradyseism header 9, by causing side wall II fin panel casing lower header 2 the 5th communicating pipe 35, by side wall II fin panel casing 10, absorbing the interior high-temperature flue gas liberated heat of burner hearth 101 rises mobile, be heated to after higher temperature, enter side wall II fin panel casing upper collecting chamber 12, after mixing in side wall II fin panel casing upper collecting chamber 12, by the first communicating pipe 13 causing front wall cornue upper collecting chamber 11, and hot water is distributed to the front wall cornue 6 of boiler front wall outer wall two inclines, Doenward flow is not heated, enter the front wall cornue lower header 4 being conducted with front wall cornue 6, then by being positioned at the 4th communicating pipe 3 of burner hearth 101 bottoms, enter burner hearth front-back wall water-cooling wall and distribute header 5, by wall fin panel casing after burner hearth front wall fin panel casing 8 and burner hearth 7, absorbing high-temperature flue gas liberated heat rising in burner hearth 101 respectively flows and is collected to burner hearth front-back wall water-cooling wall header 15, by tube connector group 16, cause outlet header 17, through heat-absorbent surfaces at different levels, constantly absorb heat, reach specified outlet hot water temperature and send into pipe network, and the high-temperature flue gas release heat producing when gas fuel combustion passes to by radiant heat transfer after the radiation and heat convection of wall fin panel casing 7 after burner hearth front wall fin panel casing 8, burner hearth, side wall II fin panel casing 10 wall water-cooled smokestack 23 after burner hearth, high-temperature flue gas is turned 180 ° by reversal chamber, after enter convection current vertical shaft 102,27 and second groups of aciculiform tube banks 28 of first group of aciculiform tube bank of parallel baffled are also carried out heat convection with side wall I fin panel casing 36, and flue gas exhanst gas outlet 29 from boiler bottom after body completes heat exchange is discharged.
The steam boiler operation principle of a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel of the present invention is as follows:
Heated boiler feedwater in economizer, by pipeline, send into the aciculiform economizer tube bank allocation set case 51 being connected with the tube bank of aciculiform economizer, the aciculiform economizer tube bank 50 of serving as economizer surface is given in uniform distribution, and absorb high-temperature flue gas liberated heat in flow through shaft 102 in rising flow process, be heated to after preset temperature, enter the aciculiform economizer tube bank header 49 of restraining 50 top conductings with aciculiform economizer, then by hot water guiding tube 43, working medium is caused to the drum 39 that is positioned at boiler front wall top, liquid phase working fluid is along front wall cornue 6 Doenward flow that is not heated, meet at side wall fin panel casing lower header 1, then by 1 uniform distribution of side wall fin panel casing lower header, to side wall fin panel casing 37 and the burner hearth front-back wall fin panel casing that is conducted with it, distribute header 26 and aciculiform steam-generating bank to distribute header 52, be arranged in the heat that working medium that side wall fin panel casing 37 rises mobile absorbs burner hearth 101 high-temperature flue gas radiation and become steam water interface, enter side wall fin panel casing upper collecting chamber 38, be arranged in the working medium that burner hearth front-back wall fin panel casing distributes header 26, by uniform distribution, given and to serve as wall fin panel casing 7 after the burner hearth front wall fin panel casing 8 of evaporating heating surface and burner hearth, absorb the heat of high-temperature flue gas radiation in burner hearth 101 and rise and flow, burner hearth front wall fin panel casing 8 interior working medium meet at burner hearth front wall fin panel casing header 11 and import collection vapour header 41 by tube connector, after burner hearth, the interior working medium of wall fin panel casing 7 meets at after burner hearth wall fin panel casing header 12 and imports collection vapour header 41 by tube connector, be arranged in the working medium that aciculiform steam-generating bank distributes header 52, by uniform distribution separately, given the aciculiform steam-generating bank 53 of serving as evaporating heating surface, absorption is to high-temperature flue gas liberated heat in flow through shaft 102 and rise mobile, meet at respectively corresponding aciculiform steam-generating bank header 48 and import collection vapour header 41 by the first tube connector 46, be positioned at the steam water interface that side wall fin panel casing upper collecting chamber 38 collects, wherein, steam is introduced into collection vapour header 41 through steam separator tube group 42, hot water is along rear corner pipe 26 Doenward flow that is not heated, enter the rear wall fin panel casing being conducted with rear corner pipe 26 and distribute header 30, uniform distribution is given to serve as the rear wall fin panel casing 19 of evaporating heating surface and absorb flow through shaft 102 high-temperature flue gas liberated heats is risen and flowed, the steam producing enters rear wall fin panel casing header 22, and cause collection vapour header 41 by the second tube connector 47, import the steam in collection vapour header 41, be introduced into drum 39 top air spaces, reach specified outlet steam parameter and send into pipe network by drum top steam (vapor) outlet pipeline 7, and the high-temperature flue gas release heat producing when gas fuel combustion passes to by radiant heat transfer after the radiation and heat convection of wall fin panel casing 7, side wall fin panel casing 37 wall water-cooled smokestack 23 after burner hearth after burner hearth front wall fin panel casing 8, burner hearth, high-temperature flue gas is turned 180 ° by reversal chamber, after enter convection current vertical shaft 102, parallel baffled aciculiform steam-generating bank 53 aciculiform economizer tube banks 50 are also carried out heat convection with part side wall fin panel casing 37, rear wall fin panel casing 19, and flue gas exhanst gas outlet 29 from boiler bottom after body completes heat exchange is discharged.

Claims (10)

1. the fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, the hot water type of furnace, it is characterized in that, the whole cornue supporting construction that adopts of boiler, the fin panel casing that radiation of burner hearth heating surface all adopts band steel and light pipe to combine, convection heating surface all adopts the pipe platen convective heating surface with the strengthening of pin wing, and burner center line is perpendicular to burner hearth front wall fin panel casing, horizontally disposed, comprise burner hearth (101) and be arranged at burner hearth (101) rear to flow through shaft (102), the place ahead of described burner hearth (101) is provided with boiler front wall, the described rear to flow through shaft (102) is provided with wall after boiler, the top of described burner hearth (101) is sequentially disposed with side wall II fin panel casing upper collecting chamber (12) by front and back, the first communicating pipe (13), side wall I fin panel casing upper collecting chamber (14), burner hearth front-back wall water-cooling wall header (15), outlet header (17), described the top of flow through shaft (102) is sequentially disposed with to side wall I fin panel casing upper collecting chamber (14) by front and back, second group of aciculiform tube bank header (20), the second communicating pipe (18), first group of aciculiform tube bank header (21), third connecting pipe (19), the below of described burner hearth (101) is sequentially disposed with side wall II fin panel casing lower header (2) by front and back, the 4th communicating pipe (3), burner hearth front-back wall water-cooling wall distributes header (5), side wall I fin panel casing lower header (31), described the below of flow through shaft (102) is sequentially disposed with to side wall I fin panel casing lower header (31) by front and back, second group of aciculiform tube bank allocation set case (33), first group of aciculiform tube bank allocation set case (32), described side wall II fin panel casing upper collecting chamber (12) is communicated with described side wall II fin panel casing lower header (2) by side wall II fin panel casing (10), described side wall I fin panel casing upper collecting chamber (14) is connected with described side wall I fin panel casing lower header (31) by side wall I fin panel casing (36),
The upper end of the front wall cornue (6) of described boiler front wall is communicated with front wall cornue upper collecting chamber (11), described front wall cornue upper collecting chamber (11) is by being communicated with described side wall II fin panel casing upper collecting chamber (12) the first communicating pipe (13), the lower end of described front wall cornue (6) is communicated with the front wall cornue lower header (4) of boiler front wall lower end, described front wall cornue lower header (4) distributes header (5) to be connected by being positioned at the 4th communicating pipe of level (3) of burner hearth (101) bottom with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header (5) to be connected with wall fin panel casing (7) after burner hearth front wall fin panel casing (8) and burner hearth respectively, after described burner hearth front wall fin panel casing (8) and burner hearth, wall fin panel casing (7) is also communicated 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 tube connector (16), described side wall II fin panel casing lower header (2) was communicated with side wall middle part damping header (9) by the 5th communicating pipe (35), described side wall middle part damping header (9) was connected with described side wall I fin panel casing upper collecting chamber (14) by the 6th communicating pipe (34),
Described to being provided with at least 1 group aciculiform tube bank in flow through shaft (102), and connect and compose convection current tube panel side by side with upper and lower header respectively.Described first group of aciculiform tube bank allocation set case (32) is restrained (27) by first group of aciculiform and is connected with first group of aciculiform tube bank header (21), described first group of aciculiform tube bank header (21) is connected with rear wall transfer header (24) by third connecting pipe (19), described second group of aciculiform tube bank allocation set case (33) is restrained (28) by second group of aciculiform and is connected with second group of aciculiform tube bank header (20), described second group of aciculiform tube bank header (20) distributes header (30) to be connected by the second communicating pipe (18) and rear wall fin panel casing, described rear wall fin panel casing distributes header (30) by wall fin panel casing (25) after flow through shaft is connected with rear wall fin panel casing header (22), described rear wall fin panel casing header (22) is managed (26) by rear corner and is connected with described side wall I fin panel casing lower header (31).
2. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 1, is characterized in that, described burner hearth front-back wall water-cooling wall distributes header (5) to be arranged in described burner hearth (101); After described burner hearth front wall fin panel casing (8) and burner hearth, wall fin panel casing (7) is forward and backward and is oppositely arranged in described burner hearth (101), forms a kind of and upper lower header line centrosymmetric " O " tee section structure; The upper end of described burner hearth front wall fin panel casing (8) and wall fin panel casing (7) after burner hearth is all connected with described burner hearth front-back wall water-cooling wall header (15); The lower end of described burner hearth front wall fin panel casing (8) and wall fin panel casing (7) after burner hearth all distributes header (5) to be connected with described burner hearth front-back wall water-cooling wall; Burner hearth (101) is the enclosure space that distributes header (5) to form by wall fin panel casing (7), both walls fin panel casing and burner hearth front-back wall water-cooling wall header (15) after burner hearth front wall fin panel casing (8), burner hearth and burner hearth front-back wall water-cooling wall, and after burner hearth, wall 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 with pin wing strengthening convection current tube panel according to claim 1, is characterized in that, described front wall cornue (6) embedding is sticked in described boiler front wall outer wall two incline places; Pipe (26) embedding of rear corner is sticked in wall outer wall two incline places after described 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 distributes header (30) to be arranged at the below of described rear corner pipe (26).
4. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 1, it is characterized in that, described rear wall transfer header (24) and described rear wall fin panel casing distribute header (30) and rear corner pipe (26) to be the non-formula layout that is conducted.
5. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 1, it is characterized in that, the described Needle fin tube convection bank that convection heating surface in flow through shaft (102) is comprised of light pipe and the pin wing that is welded in light pipe surface, aciculiform tube bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature, make the light pipe of flue gas and Needle fin tube convection bank be parallel baffled, being horizontal or oblique with pin wing washes away, pin wing length increases successively with cigarette temperature drop is low, forms Needle fin tube expansion convection heating surface.
6. the fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel, the steam type of furnace, it is characterized in that, include burner hearth (101) and be arranged at burner hearth (101) rear to flow through shaft (102), the place ahead of described burner hearth (101) is provided with boiler front wall, the described rear to flow through shaft (102) is provided with wall after boiler, the top of described burner hearth (101) is sequentially disposed with drum (39) by front and back, side wall fin panel casing upper collecting chamber (38), steam separator tube group (42), hot water guiding tube (43), collection vapour header (41), burner hearth front water wall header (44), burner hearth rear water wall header (45), described the top of flow through shaft (102) is sequentially disposed with to aciculiform steam-generating bank header (48) by front and back, aciculiform economizer tube bank header (49), the below of described burner hearth (101) is sequentially disposed with side wall fin panel casing lower header (1) by front and back, burner hearth front-back wall water-cooling wall distributes header (5), describedly the below of flow through shaft (102) is sequentially disposed with to aciculiform steam-generating bank by front and back distributes header (52), aciculiform economizer tube bank allocation set case (51), described side wall fin panel casing upper collecting chamber (38) is communicated with described side wall fin panel casing lower header (1) by side wall fin panel casing (37),
The upper end of the front wall cornue (6) of described boiler front wall is communicated with drum (39), described drum (39) is communicated with described side wall fin panel casing upper collecting chamber (38), described side wall fin panel casing upper collecting chamber (38) is connected with described collection vapour header (41) by described steam separator tube group (42), described collection vapour header (41) is communicated with described drum (39), the lower end of described front wall cornue (6) is communicated with described side wall fin panel casing lower header (1), described side wall fin panel casing lower header (1) distributes header (5) to be connected with burner hearth front-back wall water-cooling wall, described burner hearth front-back wall water-cooling wall distributes header (5) to be 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) is connected with described burner hearth front water wall header (44), after described burner hearth, wall fin panel casing (7) is connected with described burner hearth rear water wall header (45), described burner hearth front water wall header (44) is connected with described collection vapour header (41) by tube connector, described burner hearth rear water wall header (45) is connected with described collection vapour header (41) by tube connector,
Described to being provided with at 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) distributes header (52) to be connected with described aciculiform steam-generating bank, described aciculiform steam-generating bank distributes header (52) by described aciculiform steam-generating bank, to be connected with described aciculiform steam-generating bank header (48) respectively, described aciculiform steam-generating bank header (48) is connected with described collection vapour header (41) by the first tube connector (46) respectively, described aciculiform economizer tube bank allocation set case (51) is connected with described aciculiform economizer tube bank header (49) by described aciculiform economizer tube bank, described aciculiform economizer tube bank header (49) is connected with described drum (39) by described hot water guiding tube (43),
Described boiler side wall fin panel casing upper collecting chamber (38) is communicated with corner pipe (26) after boiler equally, after described boiler, corner pipe (26) distributes header (30) to be communicated with rear wall fin panel casing, described rear wall fin panel casing distributes header (30) by wall fin panel casing (25) after flow through shaft is connected with rear wall fin panel casing header (22), and described rear wall fin panel casing header (22) is connected with described collection vapour header (41) by the second tube connector (47).
7. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 6, is characterized in that, described burner hearth front-back wall water-cooling wall distributes header (5) to be arranged in described burner hearth (101); After described burner hearth front wall fin panel casing (8) and described burner hearth, wall fin panel casing (7) is forward and backward and is oppositely arranged in described burner hearth (101), forms 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 connected with described burner hearth front water wall header (44), and after described burner hearth, wall fin panel casing (7) upper end is connected with described burner hearth rear water wall header (45); The lower end of described burner hearth front wall fin panel casing (8) and wall fin panel casing (7) after burner hearth all distributes header (5) to be connected with described burner hearth front-back wall water-cooling wall; Burner hearth (101) is that after burner hearth, wall fin panel casing (7) top forms furnace outlet smokestack (23) after having loose bowels by the enclosure space that after burner hearth front wall fin panel casing (8), burner hearth, wall fin panel casing (7), 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 distribute header (5) to form.
8. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 6, it is characterized in that, after described boiler, corner pipe (26) is that the non-formula that is conducted is arranged with described side wall fin panel casing lower header (1), and after described boiler, corner pipe (26) is the non-formula layout that is conducted with described rear wall fin panel casing header (22).
9. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 6, is characterized in that, described front wall cornue (6) embedding is sticked in described boiler front wall outer wall two incline places; Pipe (26) embedding of rear corner is sticked in wall outer wall two incline places after described boiler, described rear wall fin panel casing header (22) is arranged at the top of described rear corner pipe (26), and described rear wall fin panel casing distributes header (30) to be arranged at the below of described rear corner pipe (26).
10. a kind of fuel-firing gas-firing corner tube boiler structure with pin wing strengthening convection current tube panel according to claim 6, it is characterized in that, the described Needle fin tube convection bank that convection heating surface in flow through shaft (102) is comprised of light pipe and the pin wing that is welded in light pipe surface, aciculiform tube bank declines and adopts pin wing step-by-step arrangement mode with cigarette temperature, make the light pipe of flue gas and Needle fin tube convection bank be parallel baffled, being horizontal or oblique with pin wing washes away, pin wing length increases successively with cigarette temperature drop is low, forms Needle fin tube expansion 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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CN108518702A (en) * 2018-03-19 2018-09-11 孙友良 A kind of needle-shaped pipe-type Smoke-heating device
CN111981455A (en) * 2020-08-10 2020-11-24 浙江特富发展股份有限公司 Forced recirculation water pipe steam boiler system and operation method thereof
CN112393214A (en) * 2020-11-17 2021-02-23 西安交通大学 Premixing water-cooling combustion corner tube steam boiler

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CN105042556A (en) * 2015-05-27 2015-11-11 西安交通大学 Burner-overhead vertical U-structured oil and gas boiler
CN108518702A (en) * 2018-03-19 2018-09-11 孙友良 A kind of needle-shaped pipe-type Smoke-heating device
CN111981455A (en) * 2020-08-10 2020-11-24 浙江特富发展股份有限公司 Forced recirculation water pipe steam boiler system and operation method thereof
CN112393214A (en) * 2020-11-17 2021-02-23 西安交通大学 Premixing water-cooling combustion corner tube steam boiler
CN112393214B (en) * 2020-11-17 2022-05-20 西安交通大学 Premixed water-cooling combustion corner tube steam boiler

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