CN204771366U - Red lantern ring heating device of steam turbine suit formula cylinder - Google Patents
Red lantern ring heating device of steam turbine suit formula cylinder Download PDFInfo
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- CN204771366U CN204771366U CN201520555006.5U CN201520555006U CN204771366U CN 204771366 U CN204771366 U CN 204771366U CN 201520555006 U CN201520555006 U CN 201520555006U CN 204771366 U CN204771366 U CN 204771366U
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Abstract
Red lantern ring heating device of steam turbine suit formula cylinder belongs to the supplementary installation technical field of steam turbine high pressure inner casing. The utility model relates to a solve the present red lantern ring heating methods lead to the fact the poor and low problem of heating reliability of rate of heating. The utility model discloses a heating pipe, four clamping mechanisms, two intake pipe and derricking gear, the heating pipe is used for coaxial outer loop side of cup jointing at the red lantern ring, evenly arranges on the interior rampart of heating pipe two to be listed as the flame heating hole, fixed derricking gear on the top pipe wall of heating pipe, the both sides of the outer loop pipe wall of heating pipe feed through an intake pipe respectively, still set up two seed regions on the interior rampart of heating pipe, evenly set up four clamping mechanisms on the annular circumference of heating pipe, and clamping mechanism includes the screw and tightly decides the nut. The utility model is used for the heating of the red lantern ring.
Description
Technical field
The utility model relates to steam turbine sleeve type cylinder hot jacket ring heater, belongs to High Pressure Inner Cylinder of Steam Turbine and assists mounting technique field.
Background technology
Existing Novel steam turbine high-pressure inner cylinder adopts new structural design, its replaces the heavier thick flange of casing split and bolt with hot jacket ring, its sleeve structure have lightweight, Mass Distribution evenly, the feature such as compact conformation, resistance to pressure and air-tightness are good, flexible operation, efficiency are high and hear rate is low.But this sleeve structure and traditional split flange bolt are compared with locking structure, manufacturing technology difficulty strengthens, and in processing with assembling process, need the installation and removal carrying out hot jacket ring repeatedly, and need to be heated in the installation and removal process of hot jacket ring, principle of expanding with heat and contracting with cold is utilized to make hot jacket ring internal diameter become large, be inserted in inner casing excircle part, after cooling, hot jacket ring shrinks, and realizes the banding of inner casing.But, in the prior art, the mode of heating of hot jacket ring is existed to clamping is loaded down with trivial details, firing rate is poor and add the low problem of thermal reliability.
Summary of the invention
The utility model object is that the mode of heating in order to solve existing hot jacket ring causes firing rate difference and adds the low problem of thermal reliability, provides a kind of steam turbine sleeve type cylinder hot jacket ring heater.
Steam turbine sleeve type cylinder hot jacket ring heater described in the utility model, it comprises heating tube, four clamping mechanisms, two air inlet pipe and derricking gears,
Described heating tube is circular heating tube, this heating tube is used for the outer rim side that coaxial sleeve is connected on hot jacket ring, and the annular diameters of heating tube is greater than the outer annular diameter of hot jacket ring, two row flame bottoming holes that the internal ring wall of heating tube is evenly arranged, the position of two row flame bottoming holes is staggered;
Fixed hoisting mechanism on the top tube wall of heating tube; The both sides of the outer shroud tube wall of heating tube are communicated with an air inlet pipe respectively, and two end points places of heating tube horizontal direction diameter connect an air inlet pipe respectively;
The internal ring wall of heating tube is also arranged two place's seed regions, two place's seed regions are arranged in specular centered by the diameter of heating tube vertical direction, often locate seed region and lay respectively at below corresponding air inlet pipe; Described seed region is made up of the fire hole of evenly arranging;
The annular circumferential of heating tube is evenly arranged four clamping mechanisms, the center of the heating tube of one of them clamping mechanism between derricking gear and an air inlet pipe;
Described clamping mechanism comprises screw and locknut, and the head end of screw holds out against in the cannelure of hot jacket ring outer wall through the external annulus of heating tube and internal ring wall, and the end of screw is positioned at beyond the external annulus of heating tube, and is fixed by locknut.
It also comprises transition sleeve,
Between screw and corresponding heating tube contact surface, transition sleeve is set.
Described derricking gear comprises cover T-Ring, upending frame and hot baffle,
Cover T-Ring is used for being fixed by socket heating tube, and cover T-Ring top connects upending frame, and upending frame realizes clamping by bolt arrangement with the link of cover T-Ring, and the epimere of upending frame is fixedly connected with the hot baffle of level orientation, and described hot baffle is fixed by bolt arrangement.
Advantage of the present utility model: the utility model adopts the mode of uniform flame bottoming hole on circular heating tube to be the heating of hot jacket ring, realizes the homogeneous heating to hot jacket ring.Clamping mechanism can realize the clamping of hot jacket ring, and it can according to the default swell increment of hot jacket ring, the tightness of adaptive adjustment screw.Meanwhile, this heater realizes limit heating edge installation by derricking gear.The utility model has safe and reliable, and hot jacket ring binder is convenient, firing rate fast, good economy performance, possess the features such as hoisting function, ensure that the heating of hot jacket ring is installed, the realization of dismounting process, meets the demand of production process completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of steam turbine sleeve type cylinder hot jacket ring heater described in the utility model;
Fig. 2 is the A-A view of the clamping mechanism of Fig. 1;
Fig. 3 is the B-B view of the derricking gear of Fig. 1.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 1 to Fig. 3, steam turbine sleeve type cylinder hot jacket ring heater described in present embodiment, it comprises heating tube 1, four clamping mechanisms 2, two air inlet pipe 3 and derricking gear 4,
Described heating tube 1 is circular heating tube, this heating tube 1 is connected on the outer rim side of hot jacket ring 5 for coaxial sleeve, and the annular diameters of heating tube 1 is greater than the outer annular diameter of hot jacket ring 5, the internal ring wall of heating tube 1 is evenly arranged two row flame bottoming hole 1-1, and the position of two row flame bottoming hole 1-1 is staggered;
Fixed hoisting mechanism 4 on the top tube wall of heating tube 1; The both sides of the outer shroud tube wall of heating tube 1 are communicated with an air inlet pipe 3 respectively, and two end points places of heating tube 1 horizontal direction diameter connect an air inlet pipe 3 respectively;
The internal ring wall of heating tube 1 is also arranged two place seed region 1-2, two place seed region 1-2 are arranged in specular centered by the diameter of heating tube 1 vertical direction, often locate seed region 1-2 and lay respectively at below corresponding air inlet pipe 3; Described seed region 1-2 is made up of the fire hole of evenly arranging;
The annular circumferential of heating tube 1 is evenly arranged four clamping mechanisms 2, the center of the heating tube 1 of one of them clamping mechanism 2 between derricking gear 4 and an air inlet pipe 3;
Described clamping mechanism 2 comprises screw 2-1 and locknut 2-2, the head end of screw 2-1 holds out against in the cannelure of hot jacket ring 5 outer wall through the external annulus of heating tube 1 and internal ring wall, the end of screw 2-1 is positioned at beyond the external annulus of heating tube 1, and is fixed by locknut 2-2.
Present embodiment adopts the flame bottoming hole 1-1 of Φ 2, and all flame bottoming hole 1-1 axis, by the heating tube center of circle, can realize the homogeneous heating to hot jacket ring.
Heating tube 1 both sides are designed with independently air inlet pipe, are respectively used to the conveying of fuel gas and combustion-supporting gas, and as required, two air inlet pipe 3 can realize fuel gas and mix with the arbitrary proportion of combustion-supporting gas.
Detailed description of the invention two: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further embodiment one, and present embodiment also comprises transition sleeve 6,
Between screw 2-1 and corresponding heating tube 1 contact surface, transition sleeve 6 is set.
Four clamping mechanisms 2 are along heating tube circumference 45 ° of direction designs, be respectively upper left, lower-left, upper right, bottom right, its screw 2-1 withstands the cannelure on hot jacket ring cylindrical, thus realize the clamping of hot jacket ring, according to the default swell increment of hot jacket ring, locknut tightness can be regulated, between screw and heating tube, has transition sleeve, gas leak in heating tube can be prevented, strengthen the intensity of clamping mechanism.
Detailed description of the invention three: present embodiment is described below in conjunction with Fig. 3, present embodiment is described further embodiment one or two, and derricking gear 4 described in present embodiment comprises cover T-Ring 4-1, upending frame 4-2 and hot baffle 4-3,
Cover T-Ring 4-1 is used for being fixed by socket heating tube 1, cover T-Ring 4-1 top connects upending frame 4-2, and upending frame 4-2 realizes clamping by bolt arrangement with the link of cover T-Ring 4-1, the epimere of upending frame 4-2 is fixedly connected with the hot baffle 4-3 of level orientation, and described hot baffle 4-3 is fixed by bolt arrangement.
Described derricking gear 4 is for the lifting of heating tube and hot jacket ring, and the limit heating edge that can realize hot jacket ring is installed, dismounting; Be designed with hot baffle above derricking gear, top lifting machinery can be prevented to be heated.
Claims (3)
1. a steam turbine sleeve type cylinder hot jacket ring heater, is characterized in that, it comprises heating tube (1), four clamping mechanisms (2), two air inlet pipe (3) and derricking gears (4),
Described heating tube (1) is circular heating tube, this heating tube (1) is connected on the outer rim side of hot jacket ring (5) for coaxial sleeve, and the annular diameters of heating tube (1) is greater than the outer annular diameter of hot jacket ring (5), even arrangement two row flame bottoming holes (1-1) on the internal ring wall of heating tube (1), the position of two row flame bottoming holes (1-1) is staggered;
Fixed hoisting mechanism (4) on the top tube wall of heating tube (1); The both sides of the outer shroud tube wall of heating tube (1) are communicated with an air inlet pipe (3) respectively, and two end points places of heating tube (1) horizontal direction diameter connect an air inlet pipe (3) respectively;
The internal ring wall of heating tube (1) is also arranged two place's seed regions (1-2), two place's seed regions (1-2) are arranged in specular centered by the diameter of heating tube (1) vertical direction, often locate seed region (1-2) and lay respectively at corresponding air inlet pipe (3) below; Described seed region (1-2) is made up of the fire hole of evenly arranging;
The annular circumferential of heating tube (1) is evenly arranged four clamping mechanisms (2), one of them clamping mechanism (2) is positioned at the center of the heating tube (1) between derricking gear (4) and an air inlet pipe (3);
Described clamping mechanism (2) comprises screw (2-1) and locknut (2-2), the head end of screw (2-1) holds out against in the cannelure of hot jacket ring (5) outer wall through the external annulus of heating tube (1) and internal ring wall, the end of screw (2-1) is positioned at beyond the external annulus of heating tube (1), and is fixed by locknut (2-2).
2. turbine sleeve type cylinder hot jacket ring heater according to claim 1, it is characterized in that, it also comprises transition sleeve (6),
Transition sleeve (6) is set between screw (2-1) and corresponding heating tube (1) contact surface.
3. turbine sleeve type cylinder hot jacket ring heater according to claim 1 and 2, is characterized in that, described derricking gear (4) comprises cover T-Ring (4-1), upending frame (4-2) and hot baffle (4-3),
Cover T-Ring (4-1) is for being fixed by socket heating tube (1), cover T-Ring (4-1) top connects upending frame (4-2), and upending frame (4-2) realizes clamping by bolt arrangement with the link of cover T-Ring (4-1), the epimere of upending frame (4-2) is fixedly connected with the hot baffle (4-3) of level orientation, and described hot baffle (4-3) is fixed by bolt arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555006.5U CN204771366U (en) | 2015-07-28 | 2015-07-28 | Red lantern ring heating device of steam turbine suit formula cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555006.5U CN204771366U (en) | 2015-07-28 | 2015-07-28 | Red lantern ring heating device of steam turbine suit formula cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN204771366U true CN204771366U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555006.5U Active CN204771366U (en) | 2015-07-28 | 2015-07-28 | Red lantern ring heating device of steam turbine suit formula cylinder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626168A (en) * | 2016-02-26 | 2016-06-01 | 上海发电设备成套设计研究院 | Monitoring method and system for leakproofness of steam turbine shrunk-on ring high-pressure inner cylinder |
| CN105756724A (en) * | 2016-02-26 | 2016-07-13 | 上海发电设备成套设计研究院 | Method and system for monitoring shrinkage fit tightening force of turbine shrinkage ring and high-pressure internal cylinder |
| CN107009088A (en) * | 2017-05-08 | 2017-08-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of installation method of the steam turbine sleeve type cylinder collar |
| CN107745224A (en) * | 2017-10-16 | 2018-03-02 | 二重集团（德阳）重型装备股份有限公司 | Dismounting coupling method |
| CN108087046A (en) * | 2017-12-04 | 2018-05-29 | 东方电气集团东方汽轮机有限公司 | A kind of hot jacket ring type turbine cylinder structure |
-
2015
- 2015-07-28 CN CN201520555006.5U patent/CN204771366U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626168A (en) * | 2016-02-26 | 2016-06-01 | 上海发电设备成套设计研究院 | Monitoring method and system for leakproofness of steam turbine shrunk-on ring high-pressure inner cylinder |
| CN105756724A (en) * | 2016-02-26 | 2016-07-13 | 上海发电设备成套设计研究院 | Method and system for monitoring shrinkage fit tightening force of turbine shrinkage ring and high-pressure internal cylinder |
| CN105626168B (en) * | 2016-02-26 | 2017-09-15 | 上海发电设备成套设计研究院 | The tightness monitoring method and system of steam turbine hot jacket ring high-pressure inner cylinder |
| CN105756724B (en) * | 2016-02-26 | 2017-09-22 | 上海发电设备成套设计研究院 | Steam turbine hot jacket ring and the monitoring method and system of high-pressure inner cylinder hot jacket clamp force |
| CN107009088A (en) * | 2017-05-08 | 2017-08-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of installation method of the steam turbine sleeve type cylinder collar |
| CN107745224A (en) * | 2017-10-16 | 2018-03-02 | 二重集团（德阳）重型装备股份有限公司 | Dismounting coupling method |
| CN108087046A (en) * | 2017-12-04 | 2018-05-29 | 东方电气集团东方汽轮机有限公司 | A kind of hot jacket ring type turbine cylinder structure |
| CN108087046B (en) * | 2017-12-04 | 2020-02-14 | 东方电气集团东方汽轮机有限公司 | Red lantern ring type turbine cylinder structure |
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