CN203939529U - A kind of concentric circle type Multi-level water sealing device - Google Patents
A kind of concentric circle type Multi-level water sealing device Download PDFInfo
- Publication number
- CN203939529U CN203939529U CN201420311523.3U CN201420311523U CN203939529U CN 203939529 U CN203939529 U CN 203939529U CN 201420311523 U CN201420311523 U CN 201420311523U CN 203939529 U CN203939529 U CN 203939529U
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- urceolus
- inner core
- concentric circle
- seal plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a kind of concentric circle type Multi-level water sealing device, comprise upper sealing panel and lower seal plate, lower seal plate is installed on erection support, it is characterized in that: between described upper sealing panel and lower seal plate, be provided with the different urceolus of some diameters and inner core, urceolus and inner core are spaced and quantity equates, urceolus bottom welds together with lower seal plate respectively, inner core and outermost surface urceolus top weld together with upper sealing panel respectively, each urceolus is connected with the lower end of the inner side inner core being adjacent, be connected with the upper end of the outside inner core being adjacent, urceolus and inner core are respectively concentric circle.The beneficial effects of the utility model are: can not destroy because of corrosive pipeline vacuum, polluted water, save installing space, ensure the water of condensation quality after unit is restarted, eliminated intersection welding seam, compact structure, is easy to manufacture, be convenient to install, safeguard and overhaul conveniently.
Description
(1) technical field
The utility model relates to a kind of water seal arrangement, and particularly a kind of power plant low-voltage equipment is to the concentric circle type Multi-level water sealing device that condenser vacuum destroys that prevents of the unrestrained water of vapour condenser.
(2) background technique
In power plant steam turbine gland heater when operation, is in micro-vacuum state, conventionally utilize water seal arrangement to the unrestrained water of vapour condenser and stop gas (vapour) to enter vapour condenser, it is to rely on the pressure difference (water seal total height) of medium between water sealing (sealing water) pipe import and outlet to carry out hydrophobic.Water seal arrangement is the principle design that uses Communicating device.
Existing water seal arrangement has single-stage water seal and two kinds of forms of multilevel water seal.Single-stage water seal is exactly that the pipe of the UNICOM longer by two forms U-shaped pipe, and this water seal arrangement height is more than 10 meters, and equipment is installed difficulty.Therefore while installation, often buried a very long segment pipe in underground, cause the easy corrosion and damage of the U-shaped pipe of buried part.Pipeline damage not only can cause that unit degree of vacuum declines, and also can cause the water quality deterioration that enters vapour condenser, thereby affect the safety of unit.In addition, because U-shaped water sealing (sealing water) pipe bottom is embedded in undergroundly, after shutting down, in water sealing (sealing water) pipe, residual ponding cannot be emitted, and easily causes corrosion of metal, the quality of water of condensation when impact starts again.
Multi-level water sealing device is generally made up of three grades or level Four bushing type water seal cylinder, and medium is successively by entering vapour condenser after one, two, three (four) grades of water seal cylinders.This multilevel water seal runner adopts steel pipe to be welded more, and each water seal cylinder is spaced setting, makes that device overall dimension is roomy to take up space, and runner transition position has a lot of intersection welding seams, has brought difficulty to blanking and welding production.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides a kind of compact structure, has been easy to manufacture, is convenient to install, has safeguarded and overhaul concentric circle type Multi-level water sealing device easily.
The utility model is achieved by the following technical solution:
A kind of concentric circle type Multi-level water sealing device, comprise upper sealing panel and lower seal plate, lower seal plate is installed on erection support, it is characterized in that: between described upper sealing panel and lower seal plate, be provided with the different urceolus of some diameters and inner core, urceolus and inner core are spaced and quantity equates, urceolus bottom welds together with lower seal plate respectively, inner core and outermost surface urceolus top weld together with upper sealing panel respectively, each urceolus is connected with the lower end of the inner side inner core being adjacent, be connected with the upper end of the outside inner core being adjacent, urceolus and inner core are respectively concentric circle.
Described urceolus is three, is followed successively by from outside to inside the first urceolus, the second urceolus and the 3rd urceolus, and inner core is three, is followed successively by from outside to inside the first inner core, the second inner core and the 3rd inner core.
The upper portion side wall of described the first urceolus is provided with import, and the 3rd inner core top is connected and is provided with outlet, and inlet height is lower than going out open height.
Described inlet is provided with inlet valve, and outlet port is provided with outlet elbow, and outlet elbow is provided with outlet valve.
The upper portion side wall of described the first urceolus is provided with coupled level control valve, and lower sides is provided with coupled water injection valve.
On the center line of the every adjacent upper sealing panel between the two of described the first urceolus, the first inner core, the second inner core and the 3rd inner core and outlet elbow top is respectively equipped with air vent, and on the center line of the every adjacent lower seal plate between the two of the first urceolus, the second urceolus, the 3rd urceolus and the 3rd urceolus bottom is respectively equipped with dewatering outlet.
Described air vent place is respectively equipped with bleed valve, and dewatering outlet place is respectively equipped with discharging valve.
Described erection support is two, is formed by section steel manufacture, welds together respectively with lower seal plate.
The beneficial effects of the utility model are: water seal arrangement height reduces, and does not need buried installation, can not destroy because of corrosive pipeline vacuum, polluted water; Water seal arrangement size is dwindled, and has saved installing space; When steam turbine is stopped transport, can drain water residual in water seal arrangement, ensure the water of condensation quality after unit is restarted; This water seal arrangement is concentric structure, has eliminated intersection welding seam, and compact structure is easy to manufacture, and is convenient to install, and safeguards and overhauls conveniently.
(4) brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is main TV structure schematic diagram of the present utility model;
Accompanying drawing 2 is plan structure schematic diagram of the present utility model;
Accompanying drawing 3 is the 1-1 sectional drawing of accompanying drawing 1;
Accompanying drawing 4 is the 2-2 sectional drawing of accompanying drawing 1;
Accompanying drawing 5 is the 3-3 sectional view of accompanying drawing 1;
In figure, 1 upper sealing panel, 2 lower seal plates, 3 erection supports, 4 first urceolus, 5 second urceolus, 6 the 3rd urceolus, 7 first inner cores, 8 second inner cores, 9 the 3rd inner cores, 10 imports, 11 outlets, 12 inlet valves, 13 outlet elbows, 14 outlet valves, 15 level control valves, 16 water injection valves, 17 air vents, 18 dewatering outlets, 19 bleed valves, 20 discharging valves.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises upper sealing panel 1 and lower seal plate 2, lower seal plate 2 is installed on erection support 3, between upper sealing panel 1 and lower seal plate 2, be provided with the different urceolus of some diameters and inner core, urceolus and inner core are spaced and quantity equates, urceolus bottom welds together with lower seal plate 2 respectively, inner core and outermost surface urceolus top weld together with upper sealing panel 1 respectively, each urceolus is connected with the lower end of the inner side inner core being adjacent, be connected with the upper end of the outside inner core being adjacent, urceolus and inner core are respectively concentric circle.Urceolus is three, is followed successively by from outside to inside the first urceolus 4, the second urceolus 5 and the 3rd urceolus 6, and inner core is three, is followed successively by from outside to inside the first inner core 7, the second inner core 8 and the 3rd inner core 9.The upper portion side wall of the first urceolus 4 is provided with import 10, the three inner core 9 tops and is connected and is provided with outlet 11, and import 10 height is lower than outlet 11 height.Import 10 places are provided with inlet valve 12, and outlet 11 places are provided with outlet elbow 13, and outlet elbow 13 is provided with outlet valve 14.The upper portion side wall of the first urceolus 4 is provided with coupled level control valve 15, and lower sides is provided with coupled water injection valve 16.On the center line of the every adjacent upper sealing panel 1 between the two of the first urceolus 4, the first inner core 7, the second inner core 8 and the 3rd inner core 9 and outlet elbow 13 tops are respectively equipped with on the center line of every adjacent lower seal plate 2 between the two of air vent 17, the first urceolus 4, the second urceolus 5, the 3rd urceolus 6 and the 3rd urceolus 6 bottoms are respectively equipped with dewatering outlet 18.Air vent 17 places are respectively equipped with bleed valve 19, and 18 places, dewatering outlet are respectively equipped with discharging valve 20.Erection support 3 is two, is formed by section steel manufacture, welds together respectively with lower seal plate 2.
Adopt a kind of concentric circle type Multi-level water sealing device of the present utility model, the first urceolus 4 communicates with the lower end of the first inner core 7, the first inner core 7 communicates with the upper end of the second urceolus 5, the second urceolus 5 communicates with the lower end of the second inner core 8, the second inner core 8 communicates with the upper end of the 3rd urceolus 6, and the 3rd urceolus 6 communicates with the lower end of the 3rd inner core 9.Between the first urceolus 4, the first inner core 7, the second urceolus 5, forming annulated column shape water cavity is the first water seal cylinder; Between the second urceolus 5, the second inner core 8, the 3rd urceolus 6, forming annulated column shape water cavity is the second water seal cylinder; Between the 3rd urceolus 6 and the 3rd inner core 9, forming annulated column shape water cavity is the 3rd water seal cylinder; The first water seal cylinder is adjacent with the second water seal cylinder, shares the second urceolus 5; The second water seal cylinder is adjacent with the 3rd water seal cylinder, shares the 3rd urceolus 6; The cross section of water seal cylinder is circular concentric.Erection support 3 height can ensure that discharging valve 20 discharges water.When startup, close water seal arrangement inlet valve 12, outlet valve 14, discharging valve 20 and level control valve 15, open water injection valve 16 and bleed valve 19, after filling water, close bleed valve 19 and water injection valve 16, open level control valve 15, during to anhydrous outflow, close level control valve 15, then the seal apparatus outlet valve 14 of fetching boiling water, slowly opens inlet valve 12 and puts into operation.
Adopt a kind of concentric circle type Multi-level water sealing device of the present utility model, the position of import 10, outlet 11, level control valve 15, water injection valve 16, air vent 17, dewatering outlet 18 or direction can be prolonged circumferentially adjustment arbitrarily.The number of air vent 17 and bleed valve 19 is that water seal cylinder progression adds 1, and the number of dewatering outlet 18 and discharging valve 20 is water seal cylinder progression.
Claims (8)
1. a concentric circle type Multi-level water sealing device, comprise upper sealing panel (1) and lower seal plate (2), lower seal plate (2) is installed on erection support (3), it is characterized in that: between described upper sealing panel (1) and lower seal plate (2), be provided with the different urceolus of some diameters and inner core, urceolus and inner core are spaced and quantity equates, urceolus bottom welds together with lower seal plate (2) respectively, inner core and outermost surface urceolus top weld together with upper sealing panel (1) respectively, each urceolus is connected with the lower end of the inner side inner core being adjacent, be connected with the upper end of the outside inner core being adjacent, urceolus and inner core are respectively concentric circle.
2. a kind of concentric circle type Multi-level water sealing device according to claim 1, it is characterized in that: described urceolus is three, be followed successively by from outside to inside the first urceolus (4), the second urceolus (5) and the 3rd urceolus (6), inner core is three, is followed successively by from outside to inside the first inner core (7), the second inner core (8) and the 3rd inner core (9).
3. a kind of concentric circle type Multi-level water sealing device according to claim 2, it is characterized in that: the upper portion side wall of described the first urceolus (4) is provided with import (10), the 3rd inner core (9) top is connected and is provided with outlet (11), and import (10) height lower than outlet (11) highly.
4. a kind of concentric circle type Multi-level water sealing device according to claim 3, is characterized in that: described import (10) locates to be provided with inlet valve (12), and outlet (11) locates to be provided with outlet elbow (13), and outlet elbow (13) is provided with outlet valve (14).
5. a kind of concentric circle type Multi-level water sealing device according to claim 2, is characterized in that: the upper portion side wall of described the first urceolus (4) is provided with coupled level control valve (15), lower sides is provided with coupled water injection valve (16).
6. a kind of concentric circle type Multi-level water sealing device according to claim 2, it is characterized in that: on the center line of the every adjacent upper sealing panel (1) between the two of described the first urceolus (4), the first inner core (7), the second inner core (8) and the 3rd inner core (9) and outlet elbow (13) top is respectively equipped with air vent (17), on the center line of the every adjacent lower seal plate (2) between the two of the first urceolus (4), the second urceolus (5), the 3rd urceolus (6) and the 3rd urceolus (6) bottom is respectively equipped with dewatering outlet (18).
7. a kind of concentric circle type Multi-level water sealing device according to claim 6, is characterized in that: described air vent (17) locates to be respectively equipped with bleed valve (19), dewatering outlet (18) locate to be respectively equipped with discharging valve (20).
8. a kind of concentric circle type Multi-level water sealing device according to claim 1, is characterized in that: described erection support (3) is two, is formed by section steel manufacture, welds together respectively with lower seal plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311523.3U CN203939529U (en) | 2014-06-12 | 2014-06-12 | A kind of concentric circle type Multi-level water sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311523.3U CN203939529U (en) | 2014-06-12 | 2014-06-12 | A kind of concentric circle type Multi-level water sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN203939529U true CN203939529U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420311523.3U Expired - Lifetime CN203939529U (en) | 2014-06-12 | 2014-06-12 | A kind of concentric circle type Multi-level water sealing device |
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| Country | Link |
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| CN (1) | CN203939529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697072A (en) * | 2016-03-30 | 2016-06-22 | 中国长江动力集团有限公司 | Tube type multistage water seal structure |
-
2014
- 2014-06-12 CN CN201420311523.3U patent/CN203939529U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697072A (en) * | 2016-03-30 | 2016-06-22 | 中国长江动力集团有限公司 | Tube type multistage water seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250000 No. 141 Dikou Road, Tianqiao District, Jinan City, Shandong Province Patentee after: GENERAL TECHNOLOGY GROPU ENGINEERING DESIGN Co.,Ltd. Address before: 250000 No. 141 Dikou Road, Tianqiao District, Jinan City, Shandong Province Patentee before: COAL INDUSTRY JINAN DESIGN & RESEARCH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |