CN211601609U - Device for improving vacuum degree of steam turbine - Google Patents
Device for improving vacuum degree of steam turbine Download PDFInfo
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- CN211601609U CN211601609U CN201922429715.XU CN201922429715U CN211601609U CN 211601609 U CN211601609 U CN 211601609U CN 201922429715 U CN201922429715 U CN 201922429715U CN 211601609 U CN211601609 U CN 211601609U
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Abstract
The utility model discloses a device for improving the vacuum degree of a steam turbine in the technical field of vacuum degree improving equipment of the steam turbine, which comprises a cooling shell, wherein two groups of vertical partition plates are provided with left and right communicated slots at the inner sides of the joints of the outer wall at the opposite side and the adjacent two groups of transverse partition plates, two groups of transverse partition plates are provided with mounting grooves at the outer wall at the opposite side, and the mounting grooves are internally provided with coiled pipes, after the steam entering the inner cavity of the cooling shell through a steam inlet is split by the vertical partition plates, the steam enters between the two groups of transverse partition plates through the slots, the transverse partition plates are provided with the coiled pipes through the outer walls, and the steam is cooled and condensed by flowing condensate in the inner cavity of the transverse partition plates, the staggered partition plates prolong the air channel for steam flowing, can slow down the speed of the steam flowing between the transverse partition plates, improve the cooling effect, the partition plates, further increase the area of contact of steam and low temperature, further improve the cooling effect.
Description
Technical Field
The utility model relates to a steam turbine vacuum lifting means technical field specifically is a promote device of steam turbine vacuum.
Background
The main function of the steam seal cooler is to timely cool the steam in the mixture and discharge the non-condensable gas out of the thermodynamic system, so as to ensure the continuous, safe and effective operation of the unit, the condensation effect directly influences the vacuum degree of the steam turbine, and the vacuum degree of the steam turbine can be improved by improving the cooling efficiency and the cooling effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a promote device of steam turbine vacuum to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a device for improving the vacuum degree of a steam turbine comprises a cooling shell, wherein sealing caps are arranged at the left end and the right end of the cooling shell, an extraction pipe, an air extractor and a steam inlet are sequentially arranged on the outer wall of the top of the cooling shell from left to right, a steam outlet is formed in the top of the air extractor, the left end of the air extractor is connected with the right end of the extraction pipe, vertical partition plates are arranged on the left side and the right side of an inner cavity of the cooling shell, two groups of vertical partition plates are arranged on the inner sides of the extraction pipe and the steam inlet, the outer walls of the two groups of vertical partition plates on the opposite sides are connected through transverse partition plates, the transverse partition plates are provided with four groups of transverse partition plates at the upper part and the lower part, a through groove is formed in the inner side of the outer wall of one of the two groups of vertical partition plates on the, the left ends of the condensate inlet and the condensate outlet extend to the outer wall of the left side of the left sealing cap, and the left ends of the condensate inlet and the condensate outlet of the four groups are connected with a main pipe.
Furthermore, the outer wall of one side opposite to the two adjacent groups of transverse partition plates is provided with partition plates, and the two adjacent groups of partition plates are arranged in a staggered mode.
Furthermore, the height of the partition boards is three fourths of the distance between two adjacent groups of transverse partition boards, and the partition boards are copper sheets.
Further, the distance between two adjacent groups of the left and right partition boards is half of the distance between two adjacent groups of the transverse partition boards.
Furthermore, an isolation seat is arranged at the bottom of the air extractor, screws are arranged at four corners of the outer wall of the top of the isolation seat, and screw holes matched with the screws are formed in the outer wall of the top of the cooling shell.
Further, the cooling housing and the sealing cap are connected through a sealing flange.
Compared with the prior art, the beneficial effects of the utility model are that: steam that gets into the cooling casing inner chamber through the steam inlet gets into between two sets of transverse baffle at the back of cutting apart of vertical baffle, get into through the fluting between two sets of transverse baffle, the serpentine pipe that transverse baffle set up through its outer wall, cool down steam at the condensate of its inner chamber with flowing and make it condense, and crisscross baffle that sets up has prolonged the wind channel that steam flows, can slow down the speed that steam flows between the transverse baffle, improve refrigerated effect, and the baffle is the copper sheet, the effect of leading the temperature of copper sheet is better, can be with the low temperature transmission of serpentine pipe inner chamber to steam, further increase steam and microthermal area of contact, further improve the cooling effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection between the transverse partition plate and the coiled pipe of the present invention.
In the figure: 1. cooling the housing; 2. a sealing cap; 3. an air extractor; 4. extracting a pipe; 5. a steam inlet; 6. a steam exhaust port; 7. a vertical partition plate; 8. a transverse partition; 9. grooving; 10. a serpentine tube; 11. a condensate inlet; 12. a condensate outlet; 13. a main pipe; 14. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a technical scheme: a device for improving the vacuum degree of a steam turbine refers to fig. 1-2, and comprises a cooling shell 1, sealing caps 2 are arranged at the left and right ends of the cooling shell 1, an extraction pipe 4, an air extractor 3 and a steam inlet 5 are sequentially arranged on the outer wall of the top of the cooling shell 1 from left to right, a steam outlet 6 is arranged on the top of the air extractor 3, the left end of the air extractor 3 is connected with the right end of the extraction pipe 4, vertical clapboards 7 are arranged at the left and right sides of the inner cavity of the cooling shell 1, two groups of vertical clapboards 7 are arranged at the inner sides of the extraction pipe 4 and the steam inlet 5, the outer walls of the two groups of vertical clapboards 7 at the opposite sides are connected through transverse clapboards 8, four groups of transverse clapboards 8 are arranged up and down, a left-right through slot 9 is arranged at the inner side of the joint of the outer wall of the two groups of vertical clap, the outer wall of one side opposite to the two groups of transverse partition plates 8 is provided with a mounting groove, a coil pipe 10 is arranged in the mounting groove, the input end and the output end of the coil pipe 10 are respectively connected with a condensate inlet 11 and a condensate outlet 12, the condensate inlet 11 and the condensate outlet 12 are connected with an external circulating pump and a condensate tank, the coil pipe 10 circularly flows condensate, the left ends of the condensate inlet 11 and the condensate outlet 12 extend to the outer wall of the left side sealing cap 2, the left ends of the four groups of condensate inlets 11 and the left ends of the four groups of condensate outlets 12 are respectively connected with a main pipe 13, steam entering the inner cavity of the cooling shell 1 through the steam inlet 5 enters between the two groups of transverse partition plates 8 through the grooves 9 under the division of the vertical partition plate 7, the transverse partition plates 8 cool the steam through the coil pipe 10 arranged on the outer wall and the condensate flowing in the inner cavity of the transverse partition plates to condense the steam, the water enters a water tank arranged on the inner wall of the bottom of the cooling shell 1, a valve at the bottom of the water tank is opened at intervals to discharge the water, and the air pump 3 plays a role in pressurizing and quickly pumping out air;
referring to fig. 1-2, the outer walls of the opposite sides of two adjacent groups of transverse partition plates 8 are provided with partition plates 14, the two groups of partition plates 14 adjacent to each other are arranged in a staggered manner, and the staggered partition plates 14 prolong the air channel for steam to flow, so that the speed of steam flowing between the transverse partition plates 8 can be reduced, and the cooling effect can be improved;
referring to fig. 1, the height of the partition plate 14 is three quarters of the distance between two adjacent groups of transverse partition plates 8, the cross section of the steam flowing is reduced, the amount of the steam flowing is reduced, and the cooling effect is improved, and the partition plate 14 is a copper plate which has a good temperature conduction effect, so that the low temperature in the inner cavity of the serpentine tube 10 can be transferred to the steam, the contact area between the steam and the low temperature is further increased, and the cooling effect is improved;
referring to fig. 1, the distance between two adjacent left and right groups of partition plates 14 is half of the distance between two adjacent groups of transverse partition plates 8, and the arrangement of the partition plates 14 is too dense, which reduces the pressurization and air extraction effects of the air extractor 3;
referring to fig. 1, the bottom of the air pump 3 is provided with an isolation seat, the isolation seat is used for protecting four corners of the outer wall of the top of the isolation seat from the air pump 3 and is provided with screws, and the outer wall of the top of the cooling shell 1 is provided with screw holes matched with the screws, so that the air pump is convenient to disassemble and assemble;
referring to fig. 1, the cooling housing 1 is connected to the sealing cap 2 by a sealing flange, so that the sealing performance is good and the assembly and disassembly are convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A device for increasing the vacuum degree of a steam turbine comprises a cooling shell (1), and is characterized in that: sealing caps (2) are arranged at the left end and the right end of the cooling shell (1), the outer wall of the top of the cooling shell (1) is sequentially provided with an extraction pipe (4), an air pump (3) and a steam inlet (5) from left to right, the top of the air pump (3) is provided with a steam outlet (6), the left end of the air pump (3) is connected with the right end of the extraction pipe (4), the left side and the right side of the inner cavity of the cooling shell (1) are respectively provided with a vertical partition plate (7), two groups of vertical partition plates (7) are positioned at the inner sides of the extraction pipe (4) and the steam inlet (5), the outer walls at the opposite sides of the two groups of vertical partition plates (7) are connected through transverse partition plates (8), the upper side and the lower side of each transverse partition plate (8) are provided with four groups, the inner sides of the joints of the outer walls at the opposite sides of the two groups of the vertical partition plates (, and a coiled pipe (10) is arranged in the mounting groove, the input end and the output end of the coiled pipe (10) are respectively connected with a condensate inlet (11) and a condensate outlet (12), the left ends of the condensate inlet (11) and the condensate outlet (12) extend to the outer wall of the left side of the left sealing cap (2), and the four groups of the condensate inlet (11) and the four groups of the condensate outlet (12) are connected with a main pipe (13).
2. The apparatus of claim 1 wherein the turbine is configured to increase the vacuum of the turbine, the apparatus comprising: the outer wall of one side opposite to the two adjacent groups of transverse partition plates (8) is provided with partition plates (14), and the two adjacent groups of partition plates (14) are arranged in a staggered mode.
3. The apparatus of claim 2 for increasing the vacuum of a steam turbine, wherein: the height of the partition boards (14) is three quarters of the distance between two adjacent groups of transverse partition boards (8), and the partition boards (14) are copper sheets.
4. The apparatus of claim 2 for increasing the vacuum of a steam turbine, wherein: the distance between two groups of the left and right adjacent partition boards (14) is half of the distance between two groups of the adjacent transverse partition boards (8).
5. The apparatus of claim 1 wherein the turbine is configured to increase the vacuum of the turbine, the apparatus comprising: the bottom of the air pump (3) is provided with an isolation seat, four corners of the outer wall of the top of the isolation seat are provided with screws, and the outer wall of the top of the cooling shell (1) is provided with screw holes matched with the screws.
6. The apparatus of claim 1 wherein the turbine is configured to increase the vacuum of the turbine, the apparatus comprising: the cooling shell (1) is connected with the sealing cap (2) through a sealing flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429715.XU CN211601609U (en) | 2019-12-30 | 2019-12-30 | Device for improving vacuum degree of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429715.XU CN211601609U (en) | 2019-12-30 | 2019-12-30 | Device for improving vacuum degree of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601609U true CN211601609U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922429715.XU Active CN211601609U (en) | 2019-12-30 | 2019-12-30 | Device for improving vacuum degree of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211601609U (en) |
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2019
- 2019-12-30 CN CN201922429715.XU patent/CN211601609U/en active Active
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