CN205782846U - A kind of direct-contact desuperheater - Google Patents
A kind of direct-contact desuperheater Download PDFInfo
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- CN205782846U CN205782846U CN201620492433.8U CN201620492433U CN205782846U CN 205782846 U CN205782846 U CN 205782846U CN 201620492433 U CN201620492433 U CN 201620492433U CN 205782846 U CN205782846 U CN 205782846U
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- jet pipe
- cylinder
- prevention device
- direct
- crystallization prevention
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Abstract
The utility model discloses a kind of direct-contact desuperheater, including desuperheat water source, stop valve, regulation valve, temperature element, crystallization prevention device, baffle-box, check-valves and direct-contact desuperheater；Described desuperheat water source connects crystallization prevention device, is sequentially provided with stop valve and regulation valve between desuperheat water source, crystallization prevention device；It is provided with temperature element in described crystallization prevention device, in crystallization prevention device, is respectively equipped with heater and refrigerating plant；Described crystallization prevention device outlet connects baffle-box, and baffle-box connects direct-contact desuperheater by pipeline, and baffle-box outlet is provided with check-valves；Described direct-contact desuperheater includes cylinder, inner sleeve and jet pipe；Supported fixing between described cylinder, inner sleeve by spring leaf, spring leaf is around the uniform setting of outer surface of inner sleeve；This utility model prevents crystallization, there is not leakage, and stability is high, reduces the risk that jet pipe cracks, ruptures, and improves service life, extends the time between overhauls(TBO).
Description
Technical field
This utility model relates to attemperator, specifically a kind of direct-contact desuperheater.
Background technology
Existing desuperheater spray nozzle is cantilevered multihole nozzle formula structure, is perpendicular on the bourdon's tube of attemperator tubular axis have many apertures, after desuperheating water sprays from aperture and is atomized, mixes with equidirectional steam, reduces the purpose of steam temperature.Owing to cantilever design nozzle is that single-point is fixed, therefore easily producing jet pipe vibration when putting into desuperheating water, Long-term Vibration causes nozzle to reduce at the Fatigue Strength of Metal of fixed point, ruptures.After desuperheater spray nozzle fracture, the direct superheater header with more than 500 degrees Celsius of the desuperheating water of 280 degrees Celsius contacts, and colds and heat succeed each other and causes header metal to crack, and jet pipe phenomenon of rupture repeatedly occurs in superheater attemperator, badly influences safety in production.
Simultaneously, in the direct-contact desuperheater structure of High Temperature High Pressure, fixing generally the adopting between attemperator outer cylinder body and attemperator sleeve is screwed, and its structure is to open four circular holes in attemperator urceolus surrounding, it is screwed attemperator sleeve again, last screw welds with attemperator urceolus, structure installation difficulty, and workload is big, fixing instability, and owing to the medium in this direct-contact desuperheater is high steam, screw easily leaks with attemperator urceolus weld, causes work safety accident.
Utility model content
The purpose of this utility model is to provide one to prevent crystallization, there is not leakage, and stability is high, reduces risk, improves the direct-contact desuperheater in service life, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of direct-contact desuperheater, including desuperheat water source, stop valve, regulation valve, temperature element, crystallization prevention device, baffle-box, check-valves and direct-contact desuperheater；Described desuperheat water source connects crystallization prevention device, is sequentially provided with stop valve and regulation valve between desuperheat water source, crystallization prevention device；It is provided with temperature element in described crystallization prevention device, in crystallization prevention device, is respectively equipped with heater and refrigerating plant；Described crystallization prevention device outlet connects baffle-box, and baffle-box connects direct-contact desuperheater by pipeline, and baffle-box outlet is provided with check-valves；Described direct-contact desuperheater includes cylinder, inner sleeve and jet pipe；Supported fixing between described cylinder, inner sleeve by spring leaf, spring leaf is around the uniform setting of outer surface of inner sleeve；Described jet pipe being radially arranged along cylinder, cylinder is provided with through hole, and jet pipe extend into inner barrel through through hole；The inwall of cylinder is provided with base, jet pipe lower end is arranged in base, is provided with the draw-in groove supporting jet pipe in base, and the end of jet pipe extend in draw-in groove, keep travelling space between jet pipe lower end and the axial direction of draw-in groove, closely cooperate between periphery and the draw-in groove of nozzle-end；The upper end of described jet pipe reaches outside cylinder, and is fixed by the mounting bracket being arranged on cylinder body outer wall, is provided with fixed block bottom mounting bracket, fixed block with weld setting outside cylinder；Described jet pipe is positioned at the part of cylinder and is provided with atomizer.
Further: on described cylinder, to be provided with temperature socket.
Further: described nozzle tip is located in jet chimney.
Compared with prior art, the beneficial effects of the utility model are:
1, in this utility model, temperature element thermometric, by the amount of governor valve control input desuperheating water, reach to change the physical characteristic of desuperheating water by heater or refrigerating plant, thus reach to prevent crystallization, remove the effect crystallized；
2, in this utility model, spring leaf is used to be fixed installation, it is not necessary to perforate on attemperator cylinder, there is not leakage problem, the problem that successfully solving device is unstable, screw connects easily leakage, improve service life, extend the time between overhauls(TBO), improve the economic benefit of enterprise；
3, in this utility model, jet pipe is fixed on cylinder by the mode of dual-gripper, and jet pipe lower end is the mode of float support, decrease the vibration of jet pipe, reducing the risk that jet pipe cracks, ruptures, meanwhile, the thermal expansion producing jet pipe compensates, not only steadiness is good, and ensure that the expansion of jet pipe is unimpeded.
Accompanying drawing explanation
Fig. 1 is the structural representation of direct-contact desuperheater.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Referring to Fig. 1, in this utility model embodiment, a kind of direct-contact desuperheater, including desuperheat water source 1, stop valve 2, regulation valve 3, temperature element 4, crystallization prevention device 5, baffle-box 6, check-valves 7 and direct-contact desuperheater 9；Described desuperheat water source 1 connects crystallization prevention device 5, is sequentially provided with stop valve 2 and regulation valve 3 between desuperheat water source 1, crystallization prevention device 5；It is provided with temperature element 4 in described crystallization prevention device 5, in crystallization prevention device 5, is respectively equipped with heater and refrigerating plant；Described crystallization prevention device 5 outlet connects baffle-box 6, and baffle-box 6 connects direct-contact desuperheater 9 by pipeline 8, and baffle-box 6 outlet is provided with check-valves 7；In work, temperature element 4 thermometric, regulation valve 3 control to input the amount of desuperheating water, reach to change the physical characteristic of desuperheating water by heater or refrigerating plant, thus reach to prevent crystallization, the effect of removing crystallization；Described direct-contact desuperheater 9 includes cylinder 10, inner sleeve 11 and jet pipe 13；Supported fixing between described cylinder 10, inner sleeve 11 by spring leaf 12, spring leaf 12 is around the uniform setting of outer surface of inner sleeve 11；In work, spring leaf 12 is used to be fixed installation, it is not necessary to perforate on attemperator cylinder 10, there is not leakage problem, the problem that successfully solving device is unstable, screw connects easily leakage, improve service life, extend the time between overhauls(TBO), improve the economic benefit of enterprise；Described jet pipe 13 being radially arranged along cylinder 10, cylinder 10 is provided with through hole, and it is internal that jet pipe 13 extend into cylinder 10 through through hole；The inwall of cylinder 10 is provided with base 14, jet pipe 13 lower end is arranged in base 14, the draw-in groove supporting jet pipe 13 it is provided with in base 14, the end of jet pipe 13 extend in draw-in groove, keep travelling space between jet pipe 13 lower end and the axial direction of draw-in groove, in order to compensate the axial elongation that jet pipe 13 produces under thermal expansion, closely cooperate between periphery and the draw-in groove of jet pipe 13 end, jet pipe 13 is limited in motion radially, the oscillation phenomenon that minimizing jet pipe 13 produces when putting into desuperheating water with this；It is outside that the upper end of described jet pipe 13 reaches cylinder 10, and is fixed by the mounting bracket 15 being arranged on cylinder 10 outer wall, is provided with fixed block 16 bottom mounting bracket 15, and fixed block 16 welds setting with outside cylinder 10；The part that described jet pipe 13 is positioned at cylinder 10 is provided with atomizer 17, and jet pipe 13 end is located in jet chimney；It is provided with temperature socket 18 on described cylinder 10；In work, jet pipe 13 is fixed on cylinder 10 by the mode of dual-gripper, and jet pipe 13 lower end is the mode of float support, decrease the vibration of jet pipe 13, reducing the risk that jet pipe 13 cracks, ruptures, meanwhile, the thermal expansion producing jet pipe 13 compensates, not only steadiness is good, and ensure that the expansion of jet pipe 13 is unimpeded.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
1. a direct-contact desuperheater, including desuperheat water source (1), stop valve (2), regulation valve (3), temperature element (4), crystallization prevention device (5), baffle-box (6), check-valves (7) and direct-contact desuperheater (9)；It is characterized in that, described desuperheat water source (1) connects crystallization prevention device (5), is sequentially provided with stop valve (2) and regulation valve (3) between desuperheat water source (1), crystallization prevention device (5)；Being provided with temperature element (4) in described crystallization prevention device (5), crystallization prevention device is respectively equipped with heater and refrigerating plant in (5)；Described crystallization prevention device (5) outlet connects baffle-box (6), and baffle-box (6) connects direct-contact desuperheater (9) by pipeline (8), and baffle-box (6) outlet is provided with check-valves (7)；Described direct-contact desuperheater (9) includes cylinder (10), inner sleeve (11) and jet pipe (13)；Supported fixing between described cylinder (10), inner sleeve (11) by spring leaf (12), spring leaf (12) is around the uniform setting of outer surface of inner sleeve (11)；Described jet pipe (13) being radially arranged along cylinder (10), cylinder (10) is provided with through hole, and it is internal that jet pipe (13) extend into cylinder (10) through through hole；The inwall of cylinder (10) is provided with base (14), jet pipe (13) lower end is arranged in base (14), the draw-in groove supporting jet pipe (13) it is provided with in base (14), the end of jet pipe (13) extend in draw-in groove, jet pipe (13) keeps travelling space between lower end and the axial direction of draw-in groove, closely cooperate between periphery and the draw-in groove of jet pipe (13) end；It is outside that the upper end of described jet pipe (13) reaches cylinder (10), and is fixed by the mounting bracket (15) being arranged on cylinder (10) outer wall, and mounting bracket (15) bottom is provided with fixed block (16), and fixed block (16) welds setting with cylinder (10) outside；Described jet pipe (13) is positioned at the part of cylinder (10) and is provided with atomizer (17).
Direct-contact desuperheater the most according to claim 1, it is characterised in that be provided with temperature socket (18) on described cylinder (10).
Direct-contact desuperheater the most according to claim 1, it is characterised in that described jet pipe (13) end is located in jet chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620492433.8U CN205782846U (en) | 2016-05-26 | 2016-05-26 | A kind of direct-contact desuperheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620492433.8U CN205782846U (en) | 2016-05-26 | 2016-05-26 | A kind of direct-contact desuperheater |
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| Publication Number | Publication Date |
|---|---|
| CN205782846U true CN205782846U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620492433.8U Expired - Fee Related CN205782846U (en) | 2016-05-26 | 2016-05-26 | A kind of direct-contact desuperheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303614A (en) * | 2020-11-26 | 2021-02-02 | 淮浙煤电有限责任公司凤台发电分公司 | Double-layer sleeve type water spraying desuperheater with cold-hot separation function |
-
2016
- 2016-05-26 CN CN201620492433.8U patent/CN205782846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303614A (en) * | 2020-11-26 | 2021-02-02 | 淮浙煤电有限责任公司凤台发电分公司 | Double-layer sleeve type water spraying desuperheater with cold-hot separation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |