CN102278739A - Integrated tube bundle connection block for replacing bent part of tube in power station boiler - Google Patents
Integrated tube bundle connection block for replacing bent part of tube in power station boiler Download PDFInfo
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- CN102278739A CN102278739A CN2011101992871A CN201110199287A CN102278739A CN 102278739 A CN102278739 A CN 102278739A CN 2011101992871 A CN2011101992871 A CN 2011101992871A CN 201110199287 A CN201110199287 A CN 201110199287A CN 102278739 A CN102278739 A CN 102278739A
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- single current
- contiguous block
- shaped
- connection block
- split channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/104—Connection of tubes one with the other or with collectors, drums or distributors
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of tube bundles of boilers, in particular to an integrated tube bundle connection block for replacing a bent part of a tube in a power station boiler. The integrated tube bundle connection block comprises a flow division channel and a single flow channel and is characterized by adopting a transversely arranged X-shaped connection block with an X-shaped longitudinal section; four top angles of the X-shaped connection block transversely form four horizontal top angle lines; a plurality of groups of compound channels are formed in the X-shaped connection block from left to right; and outlets of the compound channels on the X-shaped connection block are uniformly distributed on the four horizontal top angle lines and form an upper front bundle port, an upper rear bundle port, a lower front bundle port and a lower rear bundle port respectively. Compared with the prior art, a space can be used reasonably; furthermore, the wall thickness between one channel and another channel at a bent position of the original tube is at least increased by 50 percent, so that the running safety of the tube bundle can be guaranteed to the maximum extent, the potential hazard on a stress concentration part is avoided, and tube bursting on the part is prevented; moreover, the integrated tube bundle connection block is convenient to maintain, so that the maintenance difficulty is eliminated effectively; the integrated tube bundle connection block is convenient to weld and splice; the ball access rate reaches 100 percent; and the integrated tube bundle connection block is easy to maintain.
Description
Technical field
The present invention relates to boiler tube drainage technique field, the integrated form pipe of tube bending portion row contiguous block in the boiler of specifically a kind of competitor.
Background technology
Station boiler steam guarantees ventilation by the combination of pipes and tubes fully; a large amount of pipes is the staggered formation pipe row of burner hearth mid-game; because it is very narrow and small to leave the space of pipe arrangement when design is given in restrictions such as space, temperature for; and but the height of pipe requires to reach tens meters; along with the big little policy guidance of pressing is gone up by Domestic Environment protection and resource rational utilization and country, the environment-protection boiler time space that is heated in all kinds of power stations is more and more littler.
With the external diameter of pipe of pipe is that the pipe row of 32mm is an example, endoporus 21mm, then two tubes abuts against the space that also will occupy the 64mm width together, the centre-to-centre spacing of such two adjacent pipe is 32mm, but require the centre-to-centre spacing between adjacent two of this class pipe will be 47.5mm according to GB, institute takes up space bigger.Therefore in order to reach the global design requirement of the confined space in the boiler, have no alternative but and to carry out flexural deformation to the inhomogeneous pipe in the pipe row in crossover sites, satisfy limited space, referring to Fig. 7.Thus, a large amount of pipes has carried out bending, the knee causes the attenuate of crooked external diameter, wall thickness, the through ball rate of internal diameter to reduce, the knee becomes many simultaneously, stress is concentrated after causing the bend pipe moulding, and aforementioned drawback makes boiler in the end run the central throughput decline of process, influences generated energy, mainly be to stay security of operation hidden danger, very easily booster; In case pipe explosion accident occurs, will make that whole station boiler unit must blowing out; In addition, because station boiler operates under high temperature, narrow space, rectify even if blowing out is produced, maintenance also is very difficult.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, the crooked position of concentrating of pipes and tubes in original pipe row, changing the X-shaped contiguous block of establishing many group composite channels in the employing into welds, the inner set composite channel of this X-shaped contiguous block can be designed to staggered bending according to space requirement, thereby replaces the crooked position of original pipe.
For achieving the above object, design the integrated form pipe row contiguous block of tube bending portion in the boiler of a kind of competitor, comprise split channel, single current passage, it is characterized in that: adopt vertical profile to be the X-shaped contiguous block of laterally arranging of X-shaped, four drift angles of X-shaped contiguous block laterally form four horizontal corner angle staffs, lay many group composite channels in the X-shaped contiguous block from left to right, composite channel on the outlet on the X-shaped contiguous block is distributed on four horizontal corner angle staffs and forms respectively front-seat interface, on back row's interface, front-seat interface, back row interface down down.
The centre-to-centre spacing that the pipe that the centre-to-centre spacing of adjacent two outlets in the left and right sides equals to be connected in the station boiler on the X-shaped contiguous block requires.
Described composite channel adopts any combination of single current passage and split channel.
Being combined as arbitrarily of described single current passage and split channel adopt a split channel and about two single current passages constitute, described split channel is X-shaped or approximate X-shaped, the top two-port of split channel forms two adjacent on the X-shaped contiguous block last front-seat interfaces, the following two-port of split channel forms back row interface under two adjacent on the X-shaped contiguous block, the both sides or the same side that lay respectively at the split channel middle part at the middle part of left side single current passage and the middle part of right single current passage, left side single current passage, after right single current passage is made as bending or linear according to X-shaped contiguous block inner space needs, a left side, the upper port of right two single current passages forms two respectively and goes up back row's interface, a left side, right two single current passage lower port form two front-seat interfaces down respectively, a left side, two of right two single current passages go up back row's interface and split channel two upward front-seat interface are symmetrical and arrange a left side, back row interface symmetry arrangement under two of front-seat interface and split channel under two of right two single current passages.
The present invention compares with prior art, originally all be independently between the pipe of crooked position and the pipe during pipe is arranged in a row, now this crooked position being designed to establish staggered crooked passage in the X-shaped contiguous block inside of integral body substitutes, make that original staggered unordered pipe row is uniform at once, guarantee that pipeline layout is reasonable, help rationally utilizing the space, and make that wall thickness thickens 50% at least between the passage that is equivalent to tube bending place originally and the passage, the wall thickness that also promptly is equivalent to the pipe position in original knee has thickened 50% at least, guarantee that to greatest extent pipe raftings capable safety, eliminate stress and concentrate the hidden danger at place, guarantee that booster does not take place at this position; Even if owing to arrange the straight tube generation booster that contiguous block was connected with the integrated form pipe of station boiler, because the orthoscopic rule of the interface of the integrated form pipe of station boiler row contiguous block is arranged, pipeline is come into plain view, maintenance also makes things convenient for, and effectively solves the maintenance bottleneck; The welding assembly unit is convenient, and through ball rate reaches 100%, and maintenance easily.
Description of drawings
Fig. 1 is 32 outward appearance front views when logical for product among the embodiment 1～3 among the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 a is a C-C cutaway view shown in Figure 1 when product is a type in the embodiment of the invention 1.
Fig. 3 b is an A-A cutaway view shown in Figure 2 when 1 product is a type in the embodiment of the invention.
Fig. 3 c is a B-B cutaway view shown in Figure 2 when product is a type in the embodiment of the invention 1.
Fig. 4 a is a D-D cutaway view shown in Figure 1 when product is two types in the embodiment of the invention 2.
Fig. 4 b is an A-A cutaway view shown in Figure 2 when product is two types in the embodiment of the invention 2.
Fig. 4 c is a B-B cutaway view shown in Figure 2 when product is two types in the embodiment of the invention 2.
Fig. 5 a is a D-D cutaway view shown in Figure 1 when product is three types in the embodiment of the invention 3.
Fig. 5 b is an A-A amplification view shown in Figure 2 when product is three types in the embodiment of the invention 3.
Fig. 5 c is a B-B amplification view shown in Figure 2 when product is three types in the embodiment of the invention 3.
Fig. 6 a is that product is 16 side views when logical in the embodiment of the invention 4.
Fig. 6 b is the vertical view of Fig. 6 a.
Fig. 6 c is that the B-B shown in Fig. 6 a is to diagrammatic sketch.
Fig. 6 d is that the A-A shown in Fig. 6 a is to diagrammatic sketch.
Fig. 6 e is that the C-C shown in Fig. 6 b is to diagrammatic sketch.
Fig. 6 f is that the D-D shown in Fig. 6 b is to diagrammatic sketch.
Fig. 7 is the partial schematic diagram in original comb knee.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the integrated form pipe of tube bending portion row contiguous block in the boiler of competitor, comprise split channel, single current passage, it is characterized in that: adopt vertical profile to be the X-shaped contiguous block of laterally arranging of X-shaped, four drift angles of X-shaped contiguous block laterally form four horizontal corner angle staffs, lay many group composite channels in the X-shaped contiguous block from left to right, composite channel on the outlet on the X-shaped contiguous block is distributed on four horizontal corner angle staffs and forms respectively front-seat interface 1, on back row's interface 2, front-seat interface 4, back row interface 3 down down.
The centre-to-centre spacing that the pipe that the centre-to-centre spacing of adjacent two outlets in the left and right sides equals to be connected in the station boiler on the X-shaped contiguous block requires.
Described composite channel adopts any combination of single current passage and split channel.
Being combined as arbitrarily of described single current passage and split channel adopt a split channel 13 and about two single current passages constitute, described split channel 13 is X-shaped or approximate X-shaped, the top two-port of split channel forms two adjacent on the X-shaped contiguous block last front-seat interfaces 1, the following two-port of split channel forms back row interface 3 under two adjacent on the X-shaped contiguous block, the both sides or the same side that lay respectively at split channel 13 middle parts at the middle part of left side single current passage 31 and the middle part of right single current passage 32, left side single current passage 31, after right single current passage 32 is made as bending or linear according to X-shaped contiguous block inner space needs, a left side, the upper port of right two single current passages forms two respectively and goes up back row's interface 2, a left side, right two single current passage lower port form two front-seat interfaces 4 down respectively, a left side, two two of going up back row's interface 2 and split channel 13 of right two single current passages go up front-seat interface 1 symmetrical arranging, a left side, back row interface 3 symmetry arrangement under two of front-seat interface 4 and split channel 13 under two of right two single current passages.
The present invention can adopt die forging to carry out machined again and get, the main overall appearance of the integrated form pipe of tube bending portion row's contiguous block can remain unchanged in the present invention---the competitor boiler, but can be according to the needs of the real space size of station boiler, its size, quantity are adjusted, or, be 32 logical type products among the present invention referring to Fig. 3 a～Fig. 3 c to the passage of its inside crooked adjustment of spatially interlocking; Referring to Fig. 4 a～Fig. 4 c is the 32 two type products that lead among the present invention; Referring to Fig. 5 a～Fig. 5 c is 32 logical three type products among the present invention, and Fig. 6 a～6f is a type of 16 logical products among the present invention.
Because original separate pipe is changed into the integrated package shape that is substituted pipe by the inner passage, so the partition between the two tubes is that two tubes is shared just, the wall thickness that also just is equivalent between two passages of original two tubes increases by 50% at least, in the product of actual fabrication, if keep the wall thickness of original pipe, then the wall thickness between two passages can increase by 100%.
Exist in practical application, the bent tube section of arranging at original pipe adopts the present invention to substitute, and the straight-tube portion that is about among the pipe row is welded on each interface of X-shaped contiguous block, and the quantity of X-shaped contiguous block can be regulated as required.The bent tube section of concentrating at the stress that booster originally very easily takes place increases by 50% X-shaped contiguous block at least by wall thickness and substitutes like this, has guaranteed not take place at this position booster; Even booster takes place in the straight tube position of being welded with it, because the orthoscopic rule of the interface of the integrated form pipe of station boiler row contiguous block is arranged, pipeline is come into plain view, the welding assembly unit is very convenient, and it is also easy to keep in repair; Again because inner all single current passage, the split channels of X-shaped contiguous block get by machined, do not need image tube equally to bend, so can guarantee the through ball rate of path 10 0%, the invention will be further described below in conjunction with embodiment, but do not limit the present invention.
Referring to 3a～Fig. 3 c, in this example 32 logical type products, adopt four X-shaped split channels 13, the both sides at each split channel 13 middle part are established a single current passage respectively, be left single current passage 31 and right single current passage 32, a left side single current passage 31 and right single current passage 32 amounts on the inclined-plane at a diagonal place that eight single current passages are positioned at the X-shaped contiguous block, 4 split channels are positioned on the inclined-plane at another diagonal place of X-shaped contiguous block, a split channel 13 is formed a composite channel that amounts to eight interfaces up and down with left single current passage and right single current passage, amounts to four composite channels in this example from left to right;
The left and right sides that left single current passage 31, right single current passage 32 middle parts lay respectively at split channel 13 middle parts in each composite channel is symmetry arrangement, and left single current passage 31 middle parts, the both sides bending to the left and right respectively of right single current passage 32 middle parts.
Referring to 4a～Fig. 4 c, in this example 32 two logical type products, two single current passages about employing, the middle part of two single current passages all is positioned at the same side of split channel middle part, split channel 13 adopts the split channel of nearly X-shaped in this example, be straight tube 41 for shared pipe portion in the middle of this split channel promptly, two arm 4-1 about straight tube 41 upper/lower terminals are told respectively, about two arm 4-1 be positioned at the same side of straight tube 41, and a horizontal channel 4-3 is arranged between the left arm of split channel 13 same ends and the right arm;
Wherein, eight single current passages form eight go up back outlet 2, eight down before outlet 4, four split channels form eight go forward outlet and eight following back outlets, wherein, single current passage 31 front and back, a left side to crooked and with the side of X-shaped contiguous block to cut open vertical plane parallel, right single current passage 32 be positioned on the inclined-plane, a diagonal place of X-shaped contiguous block and about to bending, four split channels are positioned on another inclined-plane, diagonal place of X-shaped contiguous block;
Referring to 4a, 4b, a composite channel with the product leftmost side is an example, its structure is: left single current passage 31 cuts open vertical plane with the side of X-shaped contiguous block and parallels, and the nearly middle part of left single current passage is to the dead ahead bending, crooked left on the inclined-plane at its place in the middle of the right single current passage 32, the middle part of left single current passage 31 and right single current passage 32 all is positioned at the left side at split channel 13 middle straight tubes 41 positions.
Referring to 5a～Fig. 5 c, in this example 32 three logical type products, split channel also adopts X-shaped, and the middle part of X-shaped is to front curve, similar among the relative position of single current passage and split channel and the embodiment 1, but left single current passage and right single current passage have all carried out bending according to the space requirement of arranging on left and right directions and fore-and-aft direction.
Referring to Fig. 6 a～Fig. 6 f, it in this example one type of 16 logical products, be provided with two split channels, two left single current passages, two right single current passages, its internal structure is similar to Example 2, a split channel 13 and left single current passage 31, right single current passage 32 forms a composite channel, two symmetrical composite channels about amounting in this example, with left composite channel is example, split channel is similar to embodiment 2, left side single current passage 31 and X-shaped contiguous block side are cutd open the middle part of the parallel and left single current passage of vertical plane to the dead astern bending, and right single current passage 32 nearly medium positions are to the bending of the left back of X-shaped contiguous block, referring to Fig. 6 c.
Split channel in the above-mentioned example can change two single current passages according to actual needs into, and two single current passages can be designed to warp architecture as required.
Claims (4)
1. the integrated form pipe of the interior tube bending portion of competitor boiler is arranged contiguous block, comprise split channel, single current passage, it is characterized in that: adopt vertical profile to be the X-shaped contiguous block of laterally arranging of X-shaped, four drift angles of X-shaped contiguous block laterally form four horizontal corner angle staffs, lay from left to right in the X-shaped contiguous block and organize composite channels more, composite channel is arranged interface (2), following front-seat interface (4) after being distributed in the outlet on the X-shaped contiguous block and also forming front-seat interface (1) on four horizontal corner angle staffs respectively, going up, interface (3) is arranged in the back down.
2. the integrated form pipe of tube bending portion row contiguous block in the boiler of a kind of competitor as claimed in claim 1 is characterized in that: the centre-to-centre spacing that the pipe that the centre-to-centre spacing of adjacent two outlets in the left and right sides equals to be connected in the station boiler on the X-shaped contiguous block requires.
3. the integrated form pipe of tube bending portion row contiguous block in the boiler of a kind of competitor as claimed in claim 1, it is characterized in that: described composite channel adopts any combination of single current passage and split channel.
4. the integrated form pipe of tube bending portion row contiguous block in the boiler of a kind of competitor as claimed in claim 3, it is characterized in that: being combined as arbitrarily of described single current passage and split channel adopt a split channel (13) and about two single current passages constitute, described split channel (13) is X-shaped or approximate X-shaped, the top two-port of split channel forms two adjacent on the X-shaped contiguous block last front-seat interfaces (1), the following two-port of split channel forms back row interface (3) under two adjacent on the X-shaped contiguous block, the both sides or the same side that lay respectively at split channel (13) middle part at the middle part of left side single current passage (31) and the middle part of right single current passage (32), left side single current passage (31), after right single current passage (32) is made as bending or linear according to X-shaped contiguous block inner space needs, a left side, the upper port of right two single current passages forms two respectively and goes up back row's interface (2), a left side, right two single current passage lower port form two front-seat interfaces (4) down respectively, a left side, two two of going up back row's interface (2) and split channel (13) of right two single current passages go up symmetrical the arranging of front-seat interface (1), a left side, back row interface (3) symmetry arrangement under two of front-seat interface (4) and split channel (13) under two of right two single current passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101992871A CN102278739A (en) | 2011-07-15 | 2011-07-15 | Integrated tube bundle connection block for replacing bent part of tube in power station boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101992871A CN102278739A (en) | 2011-07-15 | 2011-07-15 | Integrated tube bundle connection block for replacing bent part of tube in power station boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102278739A true CN102278739A (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101992871A Pending CN102278739A (en) | 2011-07-15 | 2011-07-15 | Integrated tube bundle connection block for replacing bent part of tube in power station boiler |
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| CN (1) | CN102278739A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139451A1 (en) * | 2011-04-13 | 2012-10-18 | 上海锅炉厂有限公司 | Multi-pass cast and forged connection structure for boiler pipe system connection |
| WO2013016844A1 (en) * | 2011-08-03 | 2013-02-07 | 上海昌强电站配件有限公司 | Integrated tube rows connecting block instead of tubes bending parts in power station boiler |
| CN113118351A (en) * | 2019-12-31 | 2021-07-16 | 上海新闵重型锻造有限公司 | Multi-way pipe fitting forging method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213704A (en) * | 2001-01-15 | 2002-07-31 | Ishikawajima Harima Heavy Ind Co Ltd | Pipe alignment structure of combustion gas passage part for boiler |
| CN102393007A (en) * | 2011-04-13 | 2012-03-28 | 上海锅炉厂有限公司 | Multi-passage casting and forging linkage structure used for connecting boiler piping |
| CN202209667U (en) * | 2011-07-15 | 2012-05-02 | 上海昌强电站配件有限公司 | Integration pipe block for connection of pipe rows of power station boiler |
-
2011
- 2011-07-15 CN CN2011101992871A patent/CN102278739A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213704A (en) * | 2001-01-15 | 2002-07-31 | Ishikawajima Harima Heavy Ind Co Ltd | Pipe alignment structure of combustion gas passage part for boiler |
| CN102393007A (en) * | 2011-04-13 | 2012-03-28 | 上海锅炉厂有限公司 | Multi-passage casting and forging linkage structure used for connecting boiler piping |
| CN202209667U (en) * | 2011-07-15 | 2012-05-02 | 上海昌强电站配件有限公司 | Integration pipe block for connection of pipe rows of power station boiler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139451A1 (en) * | 2011-04-13 | 2012-10-18 | 上海锅炉厂有限公司 | Multi-pass cast and forged connection structure for boiler pipe system connection |
| ES2492840R1 (en) * | 2011-04-13 | 2015-05-04 | Shangai Boiler Works, Ltd. | CONNECTION STRUCTURE IN FOUNDATION OR MULTIPLE STEP FORGING FOR THE CONNECTION OF A BOILER DRIVING SYSTEM. |
| WO2013016844A1 (en) * | 2011-08-03 | 2013-02-07 | 上海昌强电站配件有限公司 | Integrated tube rows connecting block instead of tubes bending parts in power station boiler |
| CN113118351A (en) * | 2019-12-31 | 2021-07-16 | 上海新闵重型锻造有限公司 | Multi-way pipe fitting forging method |
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Application publication date: 20111214 |