CN101813311B - Heating surface assembly of modular waste-heat boiler - Google Patents
Heating surface assembly of modular waste-heat boiler Download PDFInfo
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- CN101813311B CN101813311B CN2010101644883A CN201010164488A CN101813311B CN 101813311 B CN101813311 B CN 101813311B CN 2010101644883 A CN2010101644883 A CN 2010101644883A CN 201010164488 A CN201010164488 A CN 201010164488A CN 101813311 B CN101813311 B CN 101813311B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 239000002918 waste heat Substances 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 11
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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Abstract
The present invention provides a heating surface assembly of a modular waste-heat boiler and relates to a heating surface assembly of a boiler. The heating surface assembly aims to solve the problems of complicated disassembling and assembling steps, wasteful labor and money, high expense, long period, very large work load and high cost when the conventional heating surface needs to be changed. Two first channel steels are symmetrically arranged between every two square beams relative to a longitudinal central axis of the boiler wall; two ends of each channel steel are fixedly connected with the sidewalls of the square beams respectively; roller mechanisms are fixedly arranged at the two ends of the bottom end face of each square beam respectively; both a supporting plate and a guide rail plate are arranged between two supporting beams; two groups of rib plates are fixedly arranged at the bottom of the guide rail plate; the outer wall of each supporting beam is fixedly connected with the bottom end of each second channel steel; one side wall of each second channel steel is aligned with the lower end faces of the square beams; and each second channel steel is fixedly connected with a metal beam. The heating surface assembly is used for performing heat exchange between smoke and water in the modular waste-heat boiler.
Description
Technical field
The present invention relates to a kind of heating surface assembly of boiler.
Background technology
The square beam of original modular waste-heat boiler is to be fixed on the wallboard of front wall and Hou Qiang both sides, thickness by the Reinfored wallboard support zone, set up and strengthen support and the fixation problem that gusset solves heating surface, need to change as heating surface, just need the module on heating surface top is all removed, open the four sides furnace wall that to change heating surface, behind the installation heating surface, again by opposite operation Knockdown block stove, waste of manpower, material resources, expense height, the cycle is long, workload is very big and cost is high.
Summary of the invention
It is loaded down with trivial details to the objective of the invention is in order to solve existing heating surface and need to change dismounting and installation steps, and waste of manpower, material resources, expense height, the problem that the cycle is long, workload is very big and cost is high have proposed a kind of heating surface assembly of modular waste-heat boiler.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: described assembly comprises furnace wall, heating surface, four beams of metals, three groups of connecting plates and three square beams, described furnace wall is by front wall, back wall, Zuo Qiang and right wall constitute, heating surface, three groups of connecting plates and three square beams all are located in the furnace wall, the upper side wall of each square beam is connected with heating surface by one group of connecting plate, front wall, back wall, the outside of Zuo Qiang and right wall respectively is provided with a beams of metal, described assembly also comprises four first channel-section steels, six idler wheel mechanisms, carriage, two second channel-section steels and four arm-ties, three square beams laterally being set in parallel in the furnace wall along furnace wall, longitudinal centre line with respect to furnace wall between per two square beams is arranged with two first channel-section steels, the two ends of each first channel-section steel are affixed with the sidewall of square beam respectively, the two ends of the bottom face of each square beam respectively are fixed with idler wheel mechanism, described carriage is by the guide rail plate, supporting plate, two groups of floors and two brace summers constitute, described supporting plate and guide rail plate are located between two brace summers, described supporting plate is positioned at guide rail plate top, described supporting plate and guide rail plate are all affixed with two brace summers, the bottom of described guide rail plate is fixed with two groups of floors, two groups of floors are oppositely arranged, six idler wheel mechanisms are arranged on the guide rail plate, the bottom face of the outer wall of each brace summer and second channel-section steel is affixed, a sidewall of each second channel-section steel aligns with the lower surface of square beam, one in two second channel-section steels is arranged between beams of metal and the front wall, in two second channel-section steels another is arranged between beams of metal and the back wall, and each second channel-section steel and beams of metal are affixed, be positioned in three square beams both sides two square beams the end each be connected with an arm-tie.
The present invention has following beneficial effect: the structural change of apparatus of the present invention required loaded down with trivial details step of existing when dismounting, only need open the left wall of furnace wall, front wall and back wall and guide rail plate are motionless, after determining that each parts all remains intact, can carry out more changing jobs of heating surface, heating surface lifting back is slowly advanced along the guide rail plate by idler wheel mechanism, cooperate the pulling arm-tie, with the speed propelling of 100mm/ per minute, if operation inconvenience, also can open the right wall on opposite, whole dragging in the process, because of the brace summer of module stove motionless, so the load-bearing of boiler is no problem, after more finishing changing, Jiang Zuoqiang and right wall restore to the original state; By idler wheel mechanism heating surface is advanced mode in the furnace wall, the time between overhauls(TBO) has been saved the time of half, has improved the operating efficiency of boiler, and compact conformation, and installation period is short, the piece that takes effect, and good airproof performance, boiler heat loss is little, and it is convenient to overhaul.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the side view of Fig. 1, Fig. 4 is the A point enlarged drawing of Fig. 3, and Fig. 5 is the side view of Fig. 4, and Fig. 6 is the front view of carriage, Fig. 7 is the side view of carriage, and Fig. 8 is the structural representation of idler wheel mechanism.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 7, the assembly of present embodiment comprises furnace wall 1, heating surface 3, four beams of metals 2, three groups of connecting plates 4 and three square beams 5, described furnace wall 1 is by front wall 1-1, back wall 1-2, left side wall 1-3 and right wall 1-4 constitute, heating surface 3, three groups of connecting plates 4 and three square beams 5 all are located in the furnace wall 1, the upper side wall of each square beam 5 is connected with heating surface 3 by one group of connecting plate 4, front wall 1-1, back wall 1-2, the outside of left side wall 1-3 and right wall 1-4 respectively is provided with a beams of metal 2, described assembly also comprises four first channel-section steels 6, six idler wheel mechanisms 7, carriage 8, two second channel-section steels 9 and four arm-ties 10, three square beams 5 laterally being set in parallel in the furnace wall 1 along furnace wall 1, longitudinal centre line with respect to furnace wall 1 between per two square beams 5 is arranged with two first channel-section steels 6, the two ends of each first channel-section steel 6 are affixed with the sidewall of square beam 5 respectively, the two ends of the bottom face of each square beam 5 respectively are fixed with idler wheel mechanism 7, described carriage 8 is by guide rail plate 8-2, supporting plate 8-3, two groups of floor 8-1 and two brace summer 8-4 constitute, described supporting plate 8-3 and guide rail plate 8-2 are located between two brace summer 8-4, described supporting plate 8-3 is positioned at guide rail plate 8-2 top, described supporting plate 8-3 and guide rail plate 8-2 are all affixed with two brace summer 8-4, the bottom of described guide rail plate 8-2 is fixed with two groups of floor 8-1, two groups of floor 8-1 are oppositely arranged, six idler wheel mechanisms 7 are arranged on the guide rail plate 8-2, the bottom face of the outer wall of each brace summer 8-4 and second channel-section steel 9 is affixed, a sidewall of each second channel-section steel 9 aligns with the lower surface of square beam 5, one in two second channel-section steels 9 is arranged between beams of metal 2 and the front wall 1-1, in two second channel-section steels 9 another is arranged between beams of metal 2 and the back wall 1-2, and each second channel-section steel 9 is affixed with beams of metal 2, be positioned in three square beams 5 both sides two square beams 5 the end each be connected with an arm-tie 10; Carriage 8 upper pallet 8-3 play the effect of holder support insulation material, and guide rail plate 8-2 plays rail effect, bear the load of heating surface after two brace summer 8-4 and guide rail plate 8-2 and supporting plate 8-3 are welded into one jointly.
The specific embodiment two: present embodiment is described in conjunction with Fig. 4 and Fig. 5, each idler wheel mechanism 7 of present embodiment is made of roller bearing 7-1, two connecting ring 7-2 and axle sleeve 7-3, on the described roller bearing 7-1 axle sleeve 7-3 is housed, it is last and affixed with roller bearing 7-1 that described two connecting ring 7-2 are enclosed within roller bearing 7-1, and all stretch out outside the connecting ring 7-2 at the two ends of described roller bearing 7-1.Other composition and annexation are identical with the specific embodiment one.
The Force Calculation of roller bearing 7-1: according to Code for design of steel structures bearing stress computational process: known: the diameter d of the quantity n=6 of roller bearing 7-1, roller bearing 7-1
1Load capacity R=28900 * 9.8=283220N of the length 1=100mm of=100mm, roller bearing 7-1, roller bearing 7-1 asks: bending strength value f ([σ]
J) whether qualified? separate: condition 1: the area H=1807m of heating surface 3
2Wave-fin pipe φ 51 * 4 material 12Cr1MoVG in the heating surface 3, fin cross section 15 * 1.25 material 0Cr13 in the heating surface 3, condition 2: cigarette temperature hypothesis flue gas washes away from bottom to top, inlet flue gas temperature U '=480 ℃, "=440 ℃; average cigarette temperature Upj=(480+440)/2=460 ℃; working medium temperature: superheat section inlet steam temperature t '=257 ℃; "=495 ℃ of outlet steam temperature t of outlet cigarette temperature U, working medium mean temperature tpj=(257+495)/2=376 ℃, as selecting: the 15CrMo steel plate, the 40Cr round steel is as main material, the GB/T9222-2008 table 1 (15CrMo) of 1. tabling look-up, during t=450 [σ]
J=123MPa (N/mm
2), during t=480 ℃ [σ]
J=119MPa (N/mm
2), roller bearing 7-1 freely contacts with guide rail plate 8-2: the bearing stress computing formula of Code for design of steel structures: σ=25R/nd1≤f ([σ]
J) σ=25R/nd1=25 * 283220/ (6 * 100 * 100)=118N/mm
2＜119N/mm
2Qualified; 2. calculate by safety coefficient: σ b=440～590MPa[σ]
J=σ b/nb=440/2.7=163MPa＞118N/mm
2Qualified; 3. when being roller bearing 7-1 with the 40Cr round steel: check under the high temperature, when 500 ℃ of test temperatures, σ b=588Mpa, basic allowable stress [σ]
J=σ b/nb=588/2.7=217MPa＞118N/mm
2Qualified conclusion: selected six rollers can satisfy load bearing requirements.
The specific embodiment three: the material of the carriage 8 of present embodiment is 15CrMo, this kind material economy and safe, bending strength f ([σ]
J) meet the requirements.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: the material of the roller bearing 7-1 of present embodiment is 40Cr, this kind material economy and safe, bending strength f ([σ]
J) meet the requirements.Other composition and annexation are identical with the specific embodiment one.
Operation principle: when the heating surface 3 of modular waste-heat boiler will be changed, open the left wall 1-3 of furnace wall 1 earlier, front wall 1-1 and back wall 1-2 and guide rail plate 8-2 are motionless, the maintainer enters in the stove, impurity with guide rail plate 8-2, dust stratifications etc. are cleaned out, check the depth of parallelism of guide rail plate 8-2 and the integrity of idler wheel mechanism 7, after determining that each parts all remains intact, can carry out more changing jobs of heating surface 3, heating surface 3 lifting backs are slowly advanced along guide rail plate 8-2 by idler wheel mechanism 7, cooperate pulling arm-tie 10, speed with the 100mm/ per minute advances, if operation inconvenience also can be opened the right wall 1-4 on opposite, whole dragging in the process, because of the brace summer 8-4 of module stove motionless, so the load-bearing of boiler is no problem, after more finishing changing, left wall 1-3 and right wall 1-4 are restored to the original state; In sum, the structural change of apparatus of the present invention required loaded down with trivial details step of existing when dismounting, by the mode that idler wheel mechanism 7 advances heating surface 3 in the furnace wall 1, the time between overhauls(TBO) has been saved the time of half, has improved the operating efficiency of boiler, and compact conformation, installation period is short, instant effect, good airproof performance, boiler heat loss is little, and it is convenient to overhaul.
Claims (4)
1. the heating surface assembly of a modular waste-heat boiler, described assembly comprises furnace wall (1), heating surface (3), four beams of metals (2), three groups of connecting plates (4) and three square beams (5), described furnace wall (1) is by front wall (1-1), back wall (1-2), left side wall (1-3) He Youqiang (1-4) constitutes, heating surface (3), three groups of connecting plates (4) and three square beams (5) all are located in the furnace wall (1), the upper side wall of each square beam (5) is connected with heating surface (3) by one group of connecting plate (4), front wall (1-1), back wall (1-2), the outside of left side wall (1-3) He Youqiang (1-4) respectively is provided with a beams of metal (2), it is characterized in that described assembly also comprises four first channel-section steels (6), six idler wheel mechanisms (7), carriage (8), two second channel-section steels (9) and four arm-ties (10), three square beams (5) laterally are set in parallel in the furnace wall (1) along furnace wall (1), longitudinal centre line with respect to furnace wall (1) between per two square beams (5) is arranged with two first channel-section steels (6), the two ends of each first channel-section steel (6) are affixed with the sidewall of square beam (5) respectively, the two ends of the bottom face of each square beam (5) respectively are fixed with idler wheel mechanism (7), described carriage (8) is by guide rail plate (8-2), supporting plate (8-3), two groups of floors (8-1) and two brace summers (8-4) constitute, described supporting plate (8-3) and guide rail plate (8-2) are located between two brace summers (8-4), described supporting plate (8-3) is positioned at guide rail plate (8-2) top, described supporting plate (8-3) is all affixed with two brace summers (8-4) with guide rail plate (8-2), the bottom of described guide rail plate (8-2) is fixed with two groups of floors (8-1), two groups of floors (8-1) are oppositely arranged, six idler wheel mechanisms (7) are arranged on the guide rail plate (8-2), the bottom face of outer wall of each brace summer (8-4) and second channel-section steel (9) is affixed, a sidewall of each second channel-section steel (9) aligns with the lower surface of square beam (5), one in two second channel-section steels (9) is arranged between beams of metal (2) and the front wall (1-1), in two second channel-section steels (9) another is arranged between beams of metal (2) and the back wall (1-2), and each second channel-section steel (9) is affixed with beams of metal (2), and the end that is positioned at two square beams (5) of both sides in three square beams (5) respectively is connected with an arm-tie (10).
2. according to the heating surface assembly of the described modular waste-heat boiler of claim 1, it is characterized in that each idler wheel mechanism (7) is made of roller bearing (7-1), axle sleeve (7-3) and two connecting rings (7-2), axle sleeve (7-3) is housed on the described roller bearing (7-1), it is last and affixed with roller bearing (7-1) that described two connecting rings (7-2) are enclosed within roller bearing (7-1), the outside that connecting ring (7-2) all stretched out at the two ends of described roller bearing (7-1).
3. according to the heating surface assembly of claim 1 or 2 described modular waste-heat boilers, the material that it is characterized in that described carriage (8) is 15CrMo.
4. according to the heating surface assembly of the described modular waste-heat boiler of claim 2, the material that it is characterized in that roller bearing (7-1) is 40Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101644883A CN101813311B (en) | 2010-05-06 | 2010-05-06 | Heating surface assembly of modular waste-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101644883A CN101813311B (en) | 2010-05-06 | 2010-05-06 | Heating surface assembly of modular waste-heat boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101813311A CN101813311A (en) | 2010-08-25 |
| CN101813311B true CN101813311B (en) | 2011-07-20 |
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ID=42620629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101644883A Active CN101813311B (en) | 2010-05-06 | 2010-05-06 | Heating surface assembly of modular waste-heat boiler |
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| Country | Link |
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| CN (1) | CN101813311B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO150237C (en) * | 1977-07-11 | 1984-09-12 | Ici Ltd | DEVICE FOR AA PUSHING A RUBBER BOTTLE OUT OF OR INTO THE COAT OF A HEAT EXCHANGE |
| JPS6391494A (en) * | 1986-10-03 | 1988-04-22 | Babcock Hitachi Kk | Device for supporting heat exchanger |
| JP2736177B2 (en) * | 1991-03-12 | 1998-04-02 | 株式会社東芝 | Waste heat recovery heat exchange device |
| US5339891A (en) * | 1993-07-15 | 1994-08-23 | The Babcock & Wilcox Company | Modular arrangement for heat exchanger units |
-
2010
- 2010-05-06 CN CN2010101644883A patent/CN101813311B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101813311A (en) | 2010-08-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Heating surface assembly of waste heat modular boiler Effective date of registration: 20230505 Granted publication date: 20110720 Pledgee: Industrial Bank Co.,Ltd. Harbin Branch Pledgor: HARBIN HAGUO BOILER ENGINEERING TECHNOLOGY CO.,LTD. Registration number: Y2023230000037 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.239, Xusheng street, Xiangfang District, Harbin City, Heilongjiang Province Patentee after: Harbin Xintang Boiler Container Engineering Co.,Ltd. Country or region after: China Address before: No.239, Xusheng street, Xiangfang District, Harbin City, Heilongjiang Province Patentee before: HARBIN HAGUO BOILER ENGINEERING TECHNOLOGY CO.,LTD. Country or region before: China |