CN204372896U - For the steam-water separator of opposed firing ultra-supercritical boiler - Google Patents
For the steam-water separator of opposed firing ultra-supercritical boiler Download PDFInfo
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- CN204372896U CN204372896U CN201420834301.XU CN201420834301U CN204372896U CN 204372896 U CN204372896 U CN 204372896U CN 201420834301 U CN201420834301 U CN 201420834301U CN 204372896 U CN204372896 U CN 204372896U
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- cylindrical shell
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Abstract
For the steam-water separator of opposed firing ultra-supercritical boiler.Composition of the present utility model comprises: cylindrical shell (1), cylindrical shell two ends are separately installed with upper cover (2), low head (3), upper parallel in stack shell tangential direction uniform welding 6 separator inlet pipe joints (4) at cylindrical shell, separator inlet pipe joint level raises up 15 degree of layouts, upper cover welds with steam fairlead (5), at upper cover internal openings place welding steam despinner (6), low head welds with water fairlead (7), low head internal openings place welding water despinner (8), cylindrical shell is welded by two parts, in the cylindrical shell at this cylindrical shell two parts place of being welded to connect, dewater unit (9) is installed, be provided with outside the cylindrical shell at this cylindrical shell two parts place of being welded to connect and check pipe joint (10).The utility model is separated for the carbonated drink of opposed firing 660MW ultra-supercritical boiler.
Description
technical field:
the utility model relates to a kind of steam-water separator for opposed firing ultra-supercritical boiler.
background technology:
domestic put into operation extra-supercritical unit arranges two separators at present, and external diameter is about Φ 1000, and on stack shell, subtend welds the pipe joint of two Φ 356, and because perforate is comparatively large on stack shell, consider stack shell reinforcement, stack shell wall thickness requires thicker.Production, processing also acquire a certain degree of difficulty, and weight metal is also very large simultaneously.For coordinating opposed firing ultra-supercritical boiler, develop the separator that the utility model external diameter is Φ 660.
utility model content:
the purpose of this utility model is to provide a kind of for opposed firing ultra-supercritical boiler, adapts to the steam-water separator of the requirement of the change of variable-pressure operation boiler quick load and frequent start-stop.
above-mentioned object is realized by following technical scheme:
a kind of steam-water separator for opposed firing ultra-supercritical boiler, its composition comprises: cylindrical shell, described cylindrical shell two ends are separately installed with upper cover, low head, upper parallel in stack shell tangential direction uniform welding 6 separator inlet pipe joints at described cylindrical shell, described separator inlet pipe joint level raises up 15 degree of layouts, described upper cover welds with steam fairlead, at described upper cover internal openings place welding steam despinner, described low head welds with water fairlead, described low head internal openings place welding water despinner, described cylindrical shell is welded by two parts, in the cylindrical shell at this cylindrical shell two parts place of being welded to connect, dewater unit is installed, outside the cylindrical shell at this cylindrical shell two parts place of being welded to connect, inspection pipe joint is installed.
the described steam-water separator for opposed firing ultra-supercritical boiler, described cylindrical shell the latter half is provided with leading truck, leading truck back-up block is installed under described leading truck, described barrel wall is provided with one group of water-level gauge pipe joint, described barrel wall is provided with a pair otic placode.
described dewater unit is made up of a cylinder, four rectangular slabs, disk, four-bladed vanes, described cylinder upper end is coated with described disk, described disk is provided with described four-bladed vane, and described cylinder is welded on described cylinder barrel by described rectangular slab.
beneficial effect:
the utility model barrel sizes is Φ 660, circumference is evenly introduced the pipe joint of 6 Φ 168, working medium is mixed and is more.Pipe joint due to 6 Φ 168 makes tangential introducing, therefore upper cover arranges steam despinner, and low head arranges water despinner, effectively eliminates working medium owing to rotating the kinetic energy produced.Stack shell connects the pipe joint of Φ 168, less in the perforate of stack shell, consider reinforcement relation, make wall thickness comparatively before separator greatly reduce.Because stack shell external diameter is less, therefore whole separator weight metal greatly reduces, and produces simultaneously and also reduces difficulty, convenient production.
this carbonated drink separation method being used for the steam-water separator of opposed firing ultra-supercritical boiler is as described below: described separator is the part of the built-in start up system of direct current cooker, carbonated drink for initial start stage is separated, steam passage during normal operation, have the effect eliminating steam deviation concurrently simultaneously, be in operation, described separator is the vapor space completely, inside is water not, in initial start stage, steam water interface has a down dip 15 degree through the carbonated drink inlet tube of separator inlet pipe joint and tangentially introduces in separator, and rotate along stack shell inwall is tangential at a high speed downwards, under centrifugal force and Action of Gravity Field, lighter vapor portion disengaging main flow direction moves upward and enters steam fairlead, heavier water section then maintains the motion of former direction, draw via water fairlead, complete carbonated drink separation, when boiler normally runs, what carbonated drink inlet tube was introduced is micro-overheated steam, and now separator is only as the hybrid channel of steam, strengthens the temperature deviation effect eliminating steam, makes the steam parameter of extraction more even.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present utility model;
accompanying drawing 2 is the enlarged diagrams at A place in accompanying drawing 1;
accompanying drawing 3 is the enlarged diagrams at B place in accompanying drawing 1;
accompanying drawing 4 is the enlarged diagrams at C place in accompanying drawing 1;
accompanying drawing 5 be in accompanying drawing 1 D-D to sectional view;
accompanying drawing 6 be in accompanying drawing 1 E-E to sectional view;
accompanying drawing 7 is that stack shell of the present utility model is by outwardly deploying figure.
detailed description of the invention:
embodiment 1:
a kind of steam-water separator for opposed firing ultra-supercritical boiler, its composition comprises: cylindrical shell 1, described cylindrical shell two ends are separately installed with upper cover 2, low head 3, upper parallel in stack shell tangential direction uniform welding 6 separator inlet pipe joints 4 at described cylindrical shell, described separator inlet pipe joint level raises up 15 degree of layouts, described upper cover welds with steam fairlead 5, at described upper cover internal openings place welding steam despinner 6, described low head welds with water fairlead 7, described low head internal openings place welding water despinner 8, described cylindrical shell is welded by two parts, in the cylindrical shell at this cylindrical shell two parts place of being welded to connect, dewater unit 9 is installed, be provided with outside the cylindrical shell at this cylindrical shell two parts place of being welded to connect and check pipe joint 10.
described dewater unit is made up of a cylinder 11, four rectangular slabs 12, disk 13, four-bladed vane 14, described cylinder upper end is coated with described disk, described disk is provided with described four-bladed vane, and described cylinder is welded on described cylinder barrel by described rectangular slab.
embodiment 2:
the steam-water separator for opposed firing ultra-supercritical boiler according to embodiment 1, described cylindrical shell the latter half is provided with leading truck 15, leading truck back-up block 16 is installed under described leading truck, described barrel wall is provided with one group of water-level gauge pipe joint 17, described barrel wall is provided with a pair otic placode 18.
embodiment 3:
the described steam-water separator for opposed firing ultra-supercritical boiler, this separator separate unit boiler is four separators, be arranged in the position, stokehold of boiler, for integral separator, the full overhung construction of vertical cylinder, overall full-height is 9443mm, cylindrical shell outside is provided with the suspention of otic placode for this separator, Membrane Separator Cylinder for CFB Boiler adopts long 3663mm and 4700mm, specification is φ 660x85MWT, material is that the pipe of WB36 makes, pipe welds dome head with pipe joint up and down as the upper low head of separator, separator upper cover top drilling, end socket outside weldings vertically upward, specification is the steam fairlead after the pipe joint of φ 324 is separated as carbonated drink, at upper cover internal openings place welding steam despinner for eliminating the vapor stream rotation function entered in steam fairlead, make the vapor stream motion stabilization of extraction.Separator low head bottom opening, its outside weldings straight down, specification be φ 324 pipe joint as carbonated drink be separated after water fairlead, low head internal openings place welding water racemization structure, enters for eliminating the rotation function that water draws in-pipe flow, the water movement of extraction is stablized.Upper parallel in the pipe joint of stack shell tangential direction uniform welding 6 specification φ 168 at separator main body pipe, this pipe joint is carbonated drink inlet tube pipeline joint, for improving the separating effect of steam water interface, increase the load-bearing capacity of separator, these 6 pipe joint levels raise up 15 degree of layouts, and tangentially steam water interface is introduced in separator and is separated by direction.For meeting the needs of boiler operatiopn and maintenance, this separator main body pipe arranging wall temperature measurement point, water level takes into account inspection hole.
this separator is the important and necessary part of the built-in start up system of direct current cooker, and the carbonated drink for initial start stage is separated, normal steam passage when running, and has the effect eliminating steam deviation concurrently simultaneously.Be in operation, this separator is the vapor space completely, inside is water not, and in initial start stage, steam water interface has a down dip 15 degree through carbonated drink inlet tube and tangentially introduces in separator, and rotate along stack shell inwall is tangential at a high speed downwards, under centrifugal force and Action of Gravity Field, lighter steam disengaging main flow direction moves upward and enters steam fairlead, and heavier water then maintains the motion of former direction, draw via water fairlead, complete carbonated drink separation; When boiler normally runs `, what carbonated drink inlet tube was introduced is micro-overheated steam, and now separator is only as the hybrid channel of steam, partly can eliminate the temperature deviation of steam, makes the steam parameter of extraction more even.
four separator specifications: stack shell Φ 660 × 85MWT; WB36; Length 9443mm.Carbonated drink is effectively separated, prevents separator vapor water phenomenon, when taking into full account starting, carbonated drink swelling, is provided with the vibration measure preventing steam-water separator.Block water dewater unit and despinner is provided with in separator.
Claims (3)
1. the steam-water separator for opposed firing ultra-supercritical boiler, its composition comprises: cylindrical shell, it is characterized in that: described cylindrical shell two ends are separately installed with upper cover, low head, upper parallel in stack shell tangential direction uniform welding 6 separator inlet pipe joints at described cylindrical shell, described separator inlet pipe joint level raises up 15 degree of layouts, described upper cover welds with steam fairlead, at described upper cover internal openings place welding steam despinner, described low head welds with water fairlead, described low head internal openings place welding water despinner, described cylindrical shell is welded by two parts, in the cylindrical shell at this cylindrical shell two parts place of being welded to connect, dewater unit is installed, outside the cylindrical shell at this cylindrical shell two parts place of being welded to connect, inspection pipe joint is installed.
2. the steam-water separator for opposed firing ultra-supercritical boiler according to claim 1, it is characterized in that: described cylindrical shell the latter half is provided with leading truck, leading truck back-up block is installed under described leading truck, described barrel wall is provided with one group of water-level gauge pipe joint, described barrel wall is provided with a pair otic placode.
3. the steam-water separator for opposed firing ultra-supercritical boiler according to claim 1 and 2, it is characterized in that: described dewater unit is made up of a cylinder, four rectangular slabs, disk, four-bladed vanes, described cylinder upper end is coated with described disk, described disk is provided with described four-bladed vane, and described cylinder is welded on described cylinder barrel by described rectangular slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834301.XU CN204372896U (en) | 2014-12-25 | 2014-12-25 | For the steam-water separator of opposed firing ultra-supercritical boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834301.XU CN204372896U (en) | 2014-12-25 | 2014-12-25 | For the steam-water separator of opposed firing ultra-supercritical boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372896U true CN204372896U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420834301.XU Withdrawn - After Issue CN204372896U (en) | 2014-12-25 | 2014-12-25 | For the steam-water separator of opposed firing ultra-supercritical boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534445A (en) * | 2014-12-25 | 2015-04-22 | 哈尔滨锅炉厂有限责任公司 | Steam-water separator and separating method for front-and-rear wall firing ultra-supercritical boiler |
-
2014
- 2014-12-25 CN CN201420834301.XU patent/CN204372896U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534445A (en) * | 2014-12-25 | 2015-04-22 | 哈尔滨锅炉厂有限责任公司 | Steam-water separator and separating method for front-and-rear wall firing ultra-supercritical boiler |
| CN104534445B (en) * | 2014-12-25 | 2016-07-06 | 哈尔滨锅炉厂有限责任公司 | Steam-water separator and separation method for opposed firing ultra-supercritical boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |