CN205503200U - Energy -saving steam turbine high intermediate pressure cylinder body steel -casting - Google Patents
Energy -saving steam turbine high intermediate pressure cylinder body steel -casting Download PDFInfo
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- CN205503200U CN205503200U CN201620300952.XU CN201620300952U CN205503200U CN 205503200 U CN205503200 U CN 205503200U CN 201620300952 U CN201620300952 U CN 201620300952U CN 205503200 U CN205503200 U CN 205503200U
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Abstract
The utility model discloses an energy -saving steam turbine high intermediate pressure cylinder body steel -casting, cylinder body under cylinder body and the steam turbine including the steam turbine on, steam turbine upper cylinder half sinistron lower extreme is provided with first lug, vertically is provided with first locating hole on the first lug, and the right lower extreme of cylinder body is provided with the second lug on the steam turbine, vertically is provided with the second locating hole on the second lug, the upper left end an organic whole of cylinder body is provided with a third lug under the steam turbine, vertically be provided with a third locating hole on the third lug, the upper right end an organic whole of cylinder body is provided with a fourth lug under the steam turbine, vertically be provided with a fourth locating hole on the fourth lug, the fixed one deck hard alloy layer that is provided with on the external surface of steam turbine upper cylinder half, fixed the 2nd hard alloy layer of one deck that is provided with on the cylinder body surface under the steam turbine, a hard alloy layer and the 2nd hard alloy layer's thickness is 1 - 3mm. Above -mentioned technical scheme, structural design is reasonable, simple structure, it is convenient to make, difficult fracture, long service life.
Description
Technical field
The utility model relates to steam turbine technology field, is specifically related to a kind of energy-saving steam turbine high pressure cylinder body
Steel-casting.
Background technology
Steam turbine can be used for providing power for the equipment such as generator, compressor, pump, and can be applicable to power plant,
Chemical plant, sugar refinery, textile mills, steel mill, paper mill or mine etc..Steam turbine generally comprises: steam generation
Device, water is become steam by heating (such as, by coal, natural gas or fuel oil) by it;Steam turbine,
Energy included in steam is converted into kinetic energy to drive various equipment by it.In steam turbine, presence bit is in cylinder body
On stator blade and the moving vane that is positioned on rotor.When steam turbine works, the high steam of expansion is through quiet
Blade alternately arranged with moving vane become some levels make rotor rotate.Pressure in steam turbine is along with steam
Constantly reduced by steam turbine in succession.Different application scenarios also requires that steam turbine has various steam flow and joins
Put, such as condensation or non-condensing steam discharge, straight-through or controlled draw gas or controlled enter vapour.
The cylinder body of existing steam turbine, it is generally required to specialized designs, usually requires that the delivery cycle of more than 1 year,
This usually cannot meet the needs of client.And existing housing structure arranges unreasonable: existing cylinder body table
Face is easy to crack, and service life is short.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of reasonable in design,
Simple in construction, easily manufactured, the most easy to crack, service life length energy-saving steam turbine high pressure cylinder body cast steel
Part.
For achieving the above object, the utility model provides following technical scheme: a kind of energy-saving steam turbine is high
Intermediate pressure cylinder body steel-casting, including steam turbine upper cylinder body and steam turbine lower cylinder body, described steam turbine upper cylinder body lower-left
End has been wholely set one piece of first projection, and described first projection is vertically arranged with hole, one first location, vapour
Turbine upper cylinder body bottom righthand side has been wholely set one piece of second projection, and described second projection is vertically arranged with one
Second hole, location;Described steam turbine lower cylinder body left upper end has been wholely set one piece of the 3rd projection, described 3rd convex
It is vertically arranged with hole, one the 3rd location on block, and the longitudinal centre line and first in the 3rd hole, location positions hole
Longitudinal centre line overlaps;Described steam turbine lower cylinder body upper right side has been wholely set one piece of the 4th projection, and described
Being vertically arranged with hole, one the 4th location on four projections, the longitudinal centre line and second in described 4th hole, location is determined
The longitudinal centre line in hole, position overlaps;It is fixedly installed one layer of first hard on described steam turbine upper cylinder body outer surface
Alloy-layer, described steam turbine lower cylinder body outer surface is fixedly installed one layer of second hard alloy layer, and described
The thickness of one hard alloy layer and the second hard alloy layer is 1 3mm.
By using technique scheme, it is possible to use the steam turbine of a kind of standard for different customer demands
Cylinder, thus before the order premise receiving particular customer, manufacture cylinder body effectively shorten required delivery week
Phase;And steam turbine upper cylinder body and steam turbine lower cylinder body structure are arranged rationally, adding location in man-hour conveniently, fixing can
Lean on;And hard alloy layer hardness on steam turbine upper cylinder body and steam turbine lower cylinder body outer surface is high, wear-resisting, resistance to
High temperature, corrosion-resistant, antifraying property good, the most easy to crack, and service life is long;Simple in construction, easily manufactured,
Practicality is good.
The utility model is further arranged to: be provided with steam chest, described upper vapour in described steam turbine upper cylinder body
The top of room is provided with a upper standby portion, and described standby portion has been wholely set upper flange.By originally setting
Putting, steam turbine upper cylinder body structure arranges more reasonable, processes convenient.
The utility model is further arranged to: be provided with lower steam chest in described steam turbine lower cylinder body, described under
The bottom of steam chest is provided with standby portion under, described under be wholely set lower flange in standby portion.By this
Arranging, steam turbine lower cylinder body structure arranges more reasonable, processes convenient.
The utility model is further arranged to: described steam turbine upper cylinder body and the internal face of steam turbine lower cylinder body
On be wholely set some reinforcements.By this setting, structure arranges more reasonable, and service life is longer.
The utility model is further arranged to: one on the first hard alloy layer of described steam turbine upper cylinder body
Being provided with false proof projection, on described false proof projection, laser engraving has security pattern.By this setting, anti-pseudo-convex
Block arranges rationally, and anti-counterfeiting performance is good.
The utility model has the advantages that: compared with prior art, the utility model structure arranges more reasonable,
The steam turbine of a kind of standard can be used for different customer demands, thus receiving particular customer
Manufacture cylinder body before order premise and effectively shorten the required delivery cycle;And steam turbine upper cylinder body and steam turbine
Lower cylinder body structure is arranged rationally, adds location in man-hour conveniently, fixing reliable;And steam turbine upper cylinder body and steam turbine
Hard alloy layer hardness on lower cylinder body outer surface is high, wear-resisting, high temperature resistant, corrosion-resistant, antifraying property is good,
The most easy to crack, service life is long;Simple in construction, easily manufactured, practicality is good.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
Seeing Fig. 1, a kind of energy-saving steam turbine high pressure cylinder steel castings disclosed in the utility model, including vapour
Turbine upper cylinder body 1 and steam turbine lower cylinder body 2, described steam turbine upper cylinder body 1 lower-left end has been wholely set one piece
One projection 11, described first projection 11 is vertically arranged with hole 111, one first location, steam turbine upper cylinder body
1 bottom righthand side has been wholely set one piece of second projection 12, and described second projection 12 is vertically arranged with one second
Hole 121, location;Described steam turbine lower cylinder body 2 left upper end has been wholely set one piece of the 3rd projection 21, and described
Hole 211, one the 3rd location, and the longitudinal centre line in the 3rd hole 211, location it is vertically arranged with on three projections 21
Overlap with the longitudinal centre line in the first hole 111, location;Described steam turbine lower cylinder body 2 upper right side has been wholely set
One piece of the 4th projection 22, described 4th projection 22 is vertically arranged with hole 221, one the 4th location, and described the
The longitudinal centre line of four hole 221, location and the longitudinal centre line in the second hole 121, location overlap;Described steam turbine
One layer of first hard alloy layer 3, described steam turbine lower cylinder body 2 appearance it is fixedly installed on upper cylinder body 1 outer surface
One layer of second hard alloy layer 4, described first hard alloy layer 3 and the second hard alloy it is fixedly installed on face
The thickness of layer 4 is 1 3mm.
As preferably, described in the present embodiment, the first hard alloy layer 3 and the second hard alloy layer 4 are by department
The most vertical alloy material surface welding forms;The thickness of the first hard alloy layer 3 and the second hard alloy layer 4 uses 2mm
(millimeter) is optimal.
Being provided with steam chest 13 in described steam turbine upper cylinder body 1, the top of described upper steam chest 13 is provided with one
Upper standby portion 14, described standby portion 14 has been wholely set upper flange 15.
Being provided with lower steam chest 23 in described steam turbine lower cylinder body 2, the bottom of described lower steam chest 23 is provided with one
Under standby portion 24, described under be wholely set lower flange 25 in standby portion 24.
Some reinforcements it have been wholely set on the internal face of described steam turbine upper cylinder body 1 and steam turbine lower cylinder body 2
Muscle 6.
False proof projection 31 it has been wholely set on first hard alloy layer 3 of described steam turbine upper cylinder body 1, described
On false proof projection 31, laser engraving has security pattern.
During actual application, it is possible to use the steam turbine of a kind of standard for different customer demands, thus
Before the order premise receiving particular customer, manufacture cylinder body effectively shorten the required delivery cycle;And steamer
Machine upper cylinder body and steam turbine lower cylinder body structure are arranged rationally, add location in man-hour conveniently, fixing reliable;And steamer
Hard alloy layer hardness on machine upper cylinder body and steam turbine lower cylinder body outer surface is high, wear-resisting, high temperature resistant, corrosion resistant
Erosion, antifraying property good, the most easy to crack, service life is long;Simple in construction, easily manufactured, practicality is good.
Above-described embodiment, to specific descriptions of the present utility model, is served only for carrying out the utility model furtherly
Bright, it is impossible to be interpreted as the restriction to the utility model protection domain, the technician of this area is according to above-mentioned
The utility model is made some nonessential improvement by the content of utility model and adjustment each falls within the utility model
Protection domain within.
Claims (5)
1. an energy-saving steam turbine high pressure cylinder steel castings, including under steam turbine upper cylinder body (1) and steam turbine
Cylinder body (2), it is characterised in that: described steam turbine upper cylinder body (1) lower-left end be wholely set one piece first convex
Block (11), described first projection (11) is vertically arranged with one first hole, location (111), on steam turbine
Cylinder body (1) bottom righthand side has been wholely set one piece of second projection (12), and described second projection (12) is upper longitudinally
It is provided with one second hole, location (121);Described steam turbine lower cylinder body (2) left upper end has been wholely set one piece
3rd projection (21), described 3rd projection (21) is vertically arranged with one the 3rd hole, location (211), and
The longitudinal centre line of the 3rd hole, location (211) and the longitudinal centre line of the first hole, location (111) overlap;Described
Steam turbine lower cylinder body (2) upper right side has been wholely set one piece of the 4th projection (22), described 4th projection (22)
On be vertically arranged with one the 4th location hole (221), described 4th location hole (221) longitudinal centre line with
The longitudinal centre line of the second hole, location (121) overlaps;Fix on described steam turbine upper cylinder body (1) outer surface
It is provided with one layer of first hard alloy layer (3), described steam turbine lower cylinder body (2) outer surface is fixedly installed
One layer of second hard alloy layer (4), described first hard alloy layer (3) and the second hard alloy layer (4)
Thickness be 1 3mm.
One the most according to claim 1 energy-saving steam turbine high pressure cylinder steel castings, it is characterised in that:
Being provided with steam chest (13) in described steam turbine upper cylinder body (1), the top of described upper steam chest (13) is arranged
There is a upper standby portion (14), described standby portion (14) has been wholely set upper flange (15).
One the most according to claim 2 energy-saving steam turbine high pressure cylinder steel castings, it is characterised in that:
Being provided with lower steam chest (23) in described steam turbine lower cylinder body (2), the bottom of described lower steam chest (23) is arranged
Have standby portion (24) under, described under be wholely set lower flange (25) in standby portion (24).
4., according to the one energy-saving steam turbine high pressure cylinder steel castings described in claim 1 or 2 or 3, it is special
Levy and be: be wholely set on the internal face of described steam turbine upper cylinder body (1) and steam turbine lower cylinder body (2)
Some reinforcements (6).
One the most according to claim 4 energy-saving steam turbine high pressure cylinder steel castings, it is characterised in that:
It has been wholely set false proof projection (31) on first hard alloy layer (3) of described steam turbine upper cylinder body (1),
The upper laser engraving of described false proof projection (31) has security pattern.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620300952.XU CN205503200U (en) | 2016-04-12 | 2016-04-12 | Energy -saving steam turbine high intermediate pressure cylinder body steel -casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620300952.XU CN205503200U (en) | 2016-04-12 | 2016-04-12 | Energy -saving steam turbine high intermediate pressure cylinder body steel -casting |
Publications (1)
Publication Number | Publication Date |
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CN205503200U true CN205503200U (en) | 2016-08-24 |
Family
ID=56737570
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Application Number | Title | Priority Date | Filing Date |
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CN201620300952.XU Active CN205503200U (en) | 2016-04-12 | 2016-04-12 | Energy -saving steam turbine high intermediate pressure cylinder body steel -casting |
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CN (1) | CN205503200U (en) |
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2016
- 2016-04-12 CN CN201620300952.XU patent/CN205503200U/en active Active
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