CN208502850U - A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine - Google Patents
A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine Download PDFInfo
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- CN208502850U CN208502850U CN201820969089.6U CN201820969089U CN208502850U CN 208502850 U CN208502850 U CN 208502850U CN 201820969089 U CN201820969089 U CN 201820969089U CN 208502850 U CN208502850 U CN 208502850U
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- 238000005192 partition Methods 0.000 title claims abstract description 95
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine, including low-pressure internal cylinder and low voltage partition plate set, low-pressure internal cylinder high intensity part described in winter high back pressure operating condition is provided with boss, the low voltage partition plate set oblique is arranged on low-pressure internal cylinder boss, the low-pressure internal cylinder stretches out convex shoulder and is connected with low voltage partition plate set groove, low voltage partition plate set bottom is sequentially installed with low pressure second level partition from left to right, low pressure third level partition and low pressure fourth stage partition, low pressure second level partition, low pressure third level partition and low pressure fourth stage partition bottom are provided with steam seal ring, the low-pressure internal cylinder bottom is provided with L O section and penult partition, L O section described in summer pure condensate operating condition and penult partition are set as welded structure, L O section described in winter high back pressure supplying thermal condition and penult partition are set as guide ring, this is practical The highly effective and safe stable operation of novel raising Steam Turbine and heat supply network and power grid.
Description
Technical field
The utility model belongs to thermoelectricity unit heating equipment technical field, and in particular to one kind is suitable for high back pressure steam turbine
Low voltage partition plate and diaphragm housing ring.
Background technique
Currently, each electricity power enterprise is having the area for heat condition under the encouraging and facilitating of national energy conservation and emission reduction policy
Implement thermoelectricity to join and increase heat capacity by technological transformation, improves heat supply running economy, it has also become inexorable trend, high back pressure
Thermal power plant unit is the reworked unit occurred in recent years to adapt to northern heating heat supply, is formed by pure condensate Transformation of Unit,
Since High Back Pressure Steam Turbine Units operating parameter will be to Steam Turbine if not being transformed to its low pressure chamber different from original pure condensate unit
And the highly effective and safe stable operation of heat supply network and power grid generates significant impact.
Utility model content
To achieve the goals above, the utility model adopts the following technical solution:
A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine, including low-pressure internal cylinder and low voltage partition plate set, winter
Low-pressure internal cylinder high intensity part described in season high back pressure operating condition is provided with boss, and the low voltage partition plate set oblique is arranged in low-pressure internal cylinder
On boss, the low-pressure internal cylinder stretches out convex shoulder and is connected with low voltage partition plate set groove, the low voltage partition plate cover bottom from left to right according to
It is secondary that low pressure second level partition, low pressure third level partition and low pressure fourth stage partition, low pressure second level partition, low pressure are installed
Third level partition and low pressure fourth stage partition bottom are provided with steam seal ring, the low-pressure internal cylinder bottom be provided with L O section and
Penult partition, L O section and penult partition described in summer pure condensate operating condition are set as welded structure, and winter high back pressure supplies
L O section described in thermal condition and penult partition are set as guide ring.
The L O section and penult partition are set as forward swept stator blade when summer pure condensate operating condition, the L O section and
Penult partition is welded to form by stator blade, inner ring and outer rings.
Upper half and lower half, and penult partition and final stage are disposed as at the penult partition and L O section split
Partition upper half bottom end is welded with lower half.
The guide ring is set as upper half and lower half at split, and upper half and lower half be bolted it is connected.
The utility model has the beneficial effects that a kind of low voltage partition plate and partition suitable for high back pressure steam turbine of the utility model
Set improves the highly effective and safe stable operation of Steam Turbine and heat supply network and power grid；The utility model improves heat capacity, and mentions
High heat supply running economy.
Detailed description of the invention
Low-pressure internal cylinder, diaphragm housing ring and partition part structural schematic diagram when Fig. 1 is the utility model winter high back pressure operating condition；
Fig. 2 is the utility model diaphragm housing ring and partition part structural schematic diagram；
Low-pressure internal cylinder, diaphragm housing ring and partition part structural schematic diagram when Fig. 3 is the utility model summer pure condensate operating condition；
Fig. 4 is the utility model low-pressure internal cylinder structural schematic diagram；
1- low-pressure internal cylinder, 2- low voltage partition plate set, 3- boss, 4- convex shoulder, 5- groove, the second level 6- partition, the 7- third level every
Plate, 8- fourth stage partition, 9- steam seal ring, 10- L O section, 11- penult partition, 12- guide ring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As Figure 1-Figure 4, a kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine, including low-pressure internal cylinder 1
2 are covered with low voltage partition plate, 1 high intensity part of low-pressure internal cylinder described in winter high back pressure operating condition is provided with boss 3, the low voltage partition plate set
2 obliques are arranged on 1 boss 3 of low-pressure internal cylinder, and the low-pressure internal cylinder 1 stretches out convex shoulder 4 and is connected with low voltage partition plate 2 grooves 5 of set, so as to
Realize axially position, the low voltage partition plate covers 2 bottoms and is sequentially installed with low pressure second level partition 6, the low pressure third level from left to right
Partition 7 and low pressure fourth stage partition 8,8 bottom of low pressure second level partition 6, low pressure third level partition 7 and low pressure fourth stage partition
Portion is provided with steam seal ring 9, effectively prevent gas leakage at low voltage partition plate set 2,1 bottom of low-pressure internal cylinder is provided with L O section 10
With penult partition 11, L O section 10 and penult partition 11 described in summer pure condensate operating condition are set as welded structure, described
L O section 10 and penult partition 11 are set as forward swept stator blade, L O section 10 described in winter high back pressure supplying thermal condition and time
L O section 11 is set as guide ring 12.
The L O section 10 and penult partition 11 are set as forward swept stator blade when summer pure condensate operating condition, the final stage every
Plate 10 and penult partition 11 are welded to form by stator blade, inner ring and outer rings, improve rigidity, are reduced deformation quantity, are effectively ensured
Gap between diaphragm gland circle 9 and rotor is reduced air leakage, is improved efficiency.
Upper half and lower half, and penult partition 11 are disposed as at 10 split of the penult partition 11 and L O section
It is welded with lower half with 10 upper half bottom end of L O section, improves rigidity, reduces deformation quantity.
The guide ring 12 is set as upper half and lower half at split, and upper half and lower half be bolted it is connected.
The utility model in summer pure condensate operating condition, preceding level Four partition be changed to assembled, penult partition 11 and final stage every
Plate 10 is changed to welded type, and first order partition is assemblied on low-pressure internal cylinder 1, second level partition 6, third level partition 7 and the fourth stage every
Plate 8 is assemblied on low voltage partition plate set 2, and uses reaction assembled, and penult partition 11 and L O section 10 are welded in low pressure
On cylinder 1；When winter high back pressure operating condition, first order partition, second level partition 6, third level partition 7 and fourth stage partition 8 are set as
Fabricated construction, L O section 10 and penult partition 11 are set as guide ring 12.
Claims (4)
1. a kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine, which is characterized in that including low-pressure internal cylinder and low pressure
Diaphragm housing ring, low-pressure internal cylinder high intensity part described in winter high back pressure operating condition are provided with boss, the low voltage partition plate set oblique setting
On low-pressure internal cylinder boss, the low-pressure internal cylinder stretches out convex shoulder and is connected with low voltage partition plate set groove, and the low voltage partition plate covers bottom
It is sequentially installed with low pressure second level partition, low pressure third level partition and low pressure fourth stage partition, the low pressure second from left to right
Grade partition, low pressure third level partition and low pressure fourth stage partition bottom are provided with steam seal ring, the low-pressure internal cylinder bottom setting
There are L O section and penult partition, L O section described in summer pure condensate operating condition and penult partition are set as welded structure,
L O section described in winter high back pressure supplying thermal condition and penult partition are set as guide ring.
2. a kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine according to claim 1, it is characterised in that:
When summer pure condensate operating condition the L O section and penult partition be set as forward swept stator blade, the L O section and penult every
Plate is welded to form by stator blade, inner ring and outer rings.
3. a kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine according to claim 1, it is characterised in that:
Upper half and lower half, and penult partition and L O section upper half are disposed as at the penult partition and L O section split
Bottom end is welded with lower half.
4. a kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine according to claim 1, it is characterised in that:
The guide ring is set as upper half and lower half at split, and upper half and lower half be bolted it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969089.6U CN208502850U (en) | 2018-06-22 | 2018-06-22 | A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969089.6U CN208502850U (en) | 2018-06-22 | 2018-06-22 | A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502850U true CN208502850U (en) | 2019-02-15 |
Family
ID=65286213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820969089.6U Expired - Fee Related CN208502850U (en) | 2018-06-22 | 2018-06-22 | A kind of low voltage partition plate and diaphragm housing ring suitable for high back pressure steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374696A (en) * | 2019-07-05 | 2019-10-25 | 桐乡泰爱斯环保能源有限公司 | Promote the method for taking out back formula Steam Turbine system safe and stable operation |
| CN114704338A (en) * | 2022-03-09 | 2022-07-05 | 中国船舶重工集团公司第七0三研究所 | Vertical assembling and positioning structure for moving and static parts of steam turbine |
-
2018
- 2018-06-22 CN CN201820969089.6U patent/CN208502850U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374696A (en) * | 2019-07-05 | 2019-10-25 | 桐乡泰爱斯环保能源有限公司 | Promote the method for taking out back formula Steam Turbine system safe and stable operation |
| CN114704338A (en) * | 2022-03-09 | 2022-07-05 | 中国船舶重工集团公司第七0三研究所 | Vertical assembling and positioning structure for moving and static parts of steam turbine |
| CN114704338B (en) * | 2022-03-09 | 2023-12-08 | 中国船舶重工集团公司第七0三研究所 | Vertical assembly positioning structure of dynamic and static parts of steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |