CN110566932A - Combined efficient steam-water separation device - Google Patents
Combined efficient steam-water separation device Download PDFInfo
- Publication number
- CN110566932A CN110566932A CN201910962868.2A CN201910962868A CN110566932A CN 110566932 A CN110566932 A CN 110566932A CN 201910962868 A CN201910962868 A CN 201910962868A CN 110566932 A CN110566932 A CN 110566932A
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- Prior art keywords
- steam
- separator
- separation device
- water separation
- corrugated plate
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- 238000000926 separation method Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical group C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
- F22B37/32—Steam-separating arrangements using centrifugal force
- F22B37/325—Steam-separating arrangements using centrifugal force using a revolving element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to a combined high-efficiency steam-water separation device, in particular to a steam-water separation device, which aims to solve the problems of low separation efficiency and separation effect of the existing steam-water separation device and comprises a conical connecting pipe, a plurality of cyclone separators, a corrugated plate separator, a steam collecting box and a mesh grid, wherein the steam collecting box is fixedly connected with the upper part of the inner wall of a boiler barrel, and the lower end of the steam collecting box is connected with the upper end of the corrugated plate separator through the conical connecting pipe; the cyclone separators are positioned in the boiler barrel body and uniformly distributed along the circumferential direction of the inner wall of the boiler barrel body, and a mesh grid is fixedly arranged on each cyclone separator. Introducing wet steam to be separated into a cyclone separator for centrifugal separation, then introducing the wet steam into a corrugated plate separator for secondary separation, and finally introducing the wet steam into a steam collection box for final separation; in addition, the mesh grid is used for performing steam-water supplementary separation on the discharged air at the outlet of the cyclone separator.
Description
Technical Field
The invention relates to a steam-water separation device, in particular to a combined efficient steam-water separation device, and belongs to the technical field of high-pressure steam generation devices.
Background
The steam turbine is used as important conversion equipment of energy power, and the working principle of the steam turbine is that high-temperature and high-pressure steam introduced into the steam turbine is utilized to push a steam turbine impeller to rotate, and then different devices are driven to rotate through a transmission shaft to apply work to the outside. For a steam turbine, if sufficient dryness is not ensured by introducing steam, liquid drops carried in the steam can impact the blade in the process that the steam flows through the blade at high speed, so that on one hand, a crack corrosion pit appears on the surface of the blade, the mechanical strength of the blade is reduced, and when the condition is serious, serious accidents such as blade fracture, cylinder breakdown and the like can occur; on the other hand, the liquid drops impact the blades, so that the vibration amplitude of the blades is increased, the integral abnormal vibration of the steam turbine is caused, the operation characteristics of the unit are seriously influenced, and once the impeller resonates, the steam turbine is disassembled and other inestimable bad results occur.
The steam drums of the existing high-pressure vessel, high-pressure waste heat boiler, high-pressure boiler, steam generating system of photo-thermal power generation and other equipment usually adopt a single-stage vertical cyclone separation device to separate steam from water generated by the steam drums. Because the vertical single-stage cyclone separation device has lower separation efficiency, the multistage separators are often required to be connected in series to achieve a satisfactory separation effect, so that the existing steam-water separation device occupies large space and has heavy equipment weight.
Disclosure of Invention
The invention provides a combined efficient steam-water separation device, aiming at solving the problems of low separation efficiency, poor separation effect, heavy equipment weight and large occupied space of the existing steam-water separation device.
The technical scheme adopted by the invention for solving the problems is as follows:
The combined efficient steam-water separation device comprises a tapered connecting pipe, a plurality of cyclone separators, a corrugated plate separator, a steam collection box and a mesh grid, wherein the steam collection box is fixedly connected with the upper part of the inner wall of a boiler barrel, and the lower end of the steam collection box is connected with the upper end of the corrugated plate separator through the tapered connecting pipe; the cyclone separators are positioned in the boiler barrel body and uniformly distributed along the circumferential direction of the inner wall of the boiler barrel body, and a mesh grid is fixedly arranged on each cyclone separator.
Further, the plurality of cyclone separators are fixed inside the cylinder through a support.
Furthermore, a rectangular steam inlet is formed in the bottom of each cyclone separator, circular steam exhaust holes are formed in two sides of each cyclone separator, and a flow guide drainage arc plate is arranged inside each cyclone separator.
Furthermore, two guide rails are welded at the top of the shell of each cyclone separator, and the two guide rails are arranged side by side and in parallel.
Furthermore, the tapered connecting pipe is a hollow frustum body, the small-area end of the tapered connecting pipe is inserted into the steam exhaust interface of the corrugated plate separator, and the large-area end of the tapered connecting pipe is connected with the steam inlet interface at the bottom of the steam collecting box.
furthermore, a plurality of supporting angle steels are fixedly arranged on the lower surface of the corrugated plate separator, and the corrugated plate separator is fixedly connected with the lower surface of the steam collection box through a double-end stud.
Further, the bottom of the shell of the corrugated plate separator is provided with a J-shaped drain pipe.
Furthermore, a bottom plate is welded on the lower surface of the mesh grid, a shaping frame is arranged outside the mesh grid, and a wire mesh made of stainless steel wound is arranged inside the mesh grid.
The invention has the beneficial effects that:
Wet steam to be separated is firstly introduced into a cyclone separator for centrifugal separation, then enters a corrugated plate separator for secondary separation, and finally enters a steam collection box for final separation; in addition, the steam and water supplementary separation is carried out on the discharged steam at the outlet of the cyclone separator through the mesh grid, so that the effect of preventing partial steam with lower dryness from entering the corrugated plate separator to influence the separation effect is achieved; through carrying out steam-water separation many times, multiform to wet steam, promoted steam-water separation efficiency greatly, reduced steam-water separation device volume and weight to it is more compact to make to arrange in the steam pocket.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic view of the cyclone separator;
Fig. 3 is an enlarged view of a portion I of fig. 1.
In the figure: 1-tapered connecting pipe, 2-J type drain pipe, 3-support angle steel, 4-guide rail, 5-arc steel plate, 6-circular steam exhaust hole, 7-rectangular steam inlet hole, 8-shaped frame, 9-reticular grid, 10-bottom plate, 11-steam exhaust connecting pipe, 12-steam collecting box, 13-corrugated plate separator, 14-double-end stud, 15-cyclone separator, 16-diversion drain hole plate, 17-support, 18-drain arc plate, 19-angle steel, 20-drain bent pipe, 21-corrugated plate group, 22-guide rail, 23-bolt and 24-square gasket.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the combined high-efficiency steam-water separation device of the embodiment includes a tapered connecting pipe 1, a plurality of cyclone separators 15, a corrugated plate separator 13, a steam collection box 12 and a mesh grid 9, wherein the steam collection box 12 is fixedly connected with the upper part of the inner wall of the boiler barrel, and the lower end of the steam collection box 12 is connected with the upper end of the corrugated plate separator 13 through the tapered connecting pipe 1; the cyclone separators 15 are positioned in the boiler barrel, the cyclone separators 15 are uniformly distributed along the circumferential direction of the inner wall of the boiler barrel, and a mesh grid 9 is fixedly arranged on each cyclone separator 15.
In the present embodiment, the outer shell of the cyclone separator 15 is of a spiral shell-like structure, the steam collection box 12 is a box body with a rectangular cross section, the bottom of the steam collection box 12 is provided with a steam inlet, and the top of the steam collection box is provided with a plurality of steam discharge connection pipes 11 which are arranged at equal intervals and used for discharging steam after steam-water separation.
Wet steam to be separated firstly passes through the cyclone separator 15 for centrifugal separation, then enters the corrugated plate separator 13 for secondary separation, and finally enters the steam collection box 12 for final separation; in addition, the steam and water separation is carried out on the steam discharged from the outlet of the cyclone separator 15 through the mesh grid 9, so that the steam with low partial dryness can be prevented from entering the corrugated plate separator 13 to influence the separation effect.
the second embodiment is as follows: referring to fig. 1, the cyclone separators 15 of the present embodiment are fixed inside the cylindrical body by a holder 17.
The cyclone separator 15 is welded on a support 17, and the support 17 is placed on the basic plane of the drum steam drum and is connected with a lower steam inlet header through a bolt 23 and a square gasket 24. So set up, convenient change and dismantlement.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: referring to fig. 1 and 2, the present embodiment is described, in which a rectangular steam inlet 7 is provided at the bottom of each cyclone 15, circular steam discharge holes 6 are provided at both sides of the cyclone 15, and a water-discharging arc plate 18 is provided inside the cyclone 15.
The cyclone separator 15 is provided with two hydrophobic outlets, one of which is positioned at the tail end of the diversion hydrophobic pore plate 16 and welded with a hydrophobic arc plate 18, and the hydrophobic outlet 2 is positioned at the bottom of the cyclone separator and welded with an arc hydrophobic elbow 20.
Other components are connected in the same manner as in the second embodiment.
The fourth concrete implementation mode: referring to fig. 2, the embodiment is described, and two guide rails 4 are welded on the top of the casing of each cyclone separator 15, and the two guide rails 4 are arranged side by side and in parallel.
Every two adjacent cyclones 15 are connected by an arc-shaped steel plate 5 inserted into the guide rail 4.
Other components and connection relationships are the same as those in the second or third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 and fig. 3, the tapered connection pipe 1 in the embodiment is a hollow frustum, a small area end of the tapered connection pipe 1 is inserted into a steam exhaust interface of the corrugated plate separator 13, and a large area end of the tapered connection pipe 1 is connected with a steam inlet interface at the bottom of the steam collection tank 12.
other components and connection relationships are the same as those in the second embodiment.
The sixth specific implementation mode: referring to fig. 1, the present embodiment will be described, in which a plurality of support angles 3 are fixedly provided on the lower surface of a corrugated plate separator 13, and the corrugated plate separator 13 is fixedly connected to the lower surface of a steam header 12 via studs 14. In the embodiment, the corrugated plate separator and the steam collection box 12 are connected by the stud 14, so that the corrugated plate separator and the steam collection box are convenient to disassemble and replace, the modular design requirement of the steam-water separation device is met, and the daily maintenance difficulty and the corresponding cost are reduced.
Other components and connections are the same as those in the first embodiment.
The seventh embodiment: referring to fig. 1 and 3, the present embodiment is described, in which a J-shaped drain pipe 2 is provided at the bottom of the housing of the corrugated plate separator 13.
The corrugated plate separator 13 is formed by arranging two rows of corrugated plate groups 21 in a V-shaped symmetrical mode, each row of corrugated plate groups 21 is overlapped by a plurality of corrugated plates in parallel and is positioned by fixed guide rails 22 arranged at the upper edge and the lower edge of a shell of the corrugated plate separator, J-shaped drain pipes 2 arranged in pairs are arranged at the bottom of the shell, and a steam exhaust port is arranged at the top of the shell.
Other components and connection relations are the same as those of the sixth embodiment.
The specific implementation mode is eight: referring to fig. 1, the present embodiment is described, in which a bottom plate 10 is welded to a lower surface of a mesh grid 9, a shape-stabilized frame 8 is provided on an outer portion of the mesh grid 9, and a mesh made by winding stainless steel is provided inside the mesh grid 9.
The bottom plate 10 is welded on angle steel 19 for fixing and supporting the cyclone separator 15, and the bottom plate 10 is uniformly provided with drainage holes. Other components and connections are the same as those in the first embodiment.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a modular high-efficient catch water which characterized in that: the combined efficient steam-water separation device comprises a tapered connecting pipe (1), a plurality of cyclone separators (15), corrugated plate separators (13), a steam collection box (12) and a mesh grid (9), wherein the steam collection box (12) is fixedly connected with the upper part of the inner wall of a boiler barrel, and the lower end of the steam collection box (12) is connected with the upper ends of the corrugated plate separators (13) through the tapered connecting pipe (1); the cyclone separators (15) are positioned in the boiler barrel, the cyclone separators (15) are uniformly distributed along the circumferential direction of the inner wall of the boiler barrel, and a reticular grid (9) is fixedly arranged on each cyclone separator (15).
2. The combined type high-efficiency steam-water separation device according to claim 1, characterized in that: the cyclone separators (15) are fixed inside the cylinder body through a support (17).
3. The combined type high-efficiency steam-water separation device according to claim 2, characterized in that: the bottom of each cyclone separator (15) is provided with a rectangular steam inlet (7), two sides of each cyclone separator (15) are provided with circular steam exhaust holes (6), and a water drainage arc plate (18) is arranged inside each cyclone separator (15).
4. A combined high efficiency steam-water separator according to claim 2 or 3, characterized in that: two guide rails (4) are welded at the top of the shell of each cyclone separator (15), and the two guide rails (4) are arranged side by side and in parallel.
5. The combined type high-efficiency steam-water separation device according to claim 2, characterized in that: the conical connecting pipe (1) is a hollow frustum body, the small-area end of the conical connecting pipe (1) is inserted into a steam exhaust interface of the corrugated plate separator (13), and the large-area end of the conical connecting pipe (1) is connected with a steam inlet interface at the bottom of the steam collecting box (12).
6. The combined type high-efficiency steam-water separation device according to claim 1, characterized in that: the lower surface of the corrugated plate separator (13) is fixedly provided with a plurality of supporting angle steels (3), and the corrugated plate separator (13) is fixedly connected with the lower surface of the steam collection box (12) through a stud (14).
7. The combined type high-efficiency steam-water separation device according to claim 6, characterized in that: the bottom of the shell of the corrugated plate separator (13) is provided with a J-shaped drain pipe (2).
8. The combined type high-efficiency steam-water separation device according to claim 1, characterized in that: the lower surface of the reticular grid (9) is welded with a bottom plate (10), the outer part of the reticular grid (9) is provided with a shaping frame (8), and the inner part of the reticular grid (9) is a wire mesh made by stainless steel winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962868.2A CN110566932A (en) | 2019-10-11 | 2019-10-11 | Combined efficient steam-water separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962868.2A CN110566932A (en) | 2019-10-11 | 2019-10-11 | Combined efficient steam-water separation device |
Publications (1)
| Publication Number | Publication Date |
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| CN110566932A true CN110566932A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910962868.2A Pending CN110566932A (en) | 2019-10-11 | 2019-10-11 | Combined efficient steam-water separation device |
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| CN (1) | CN110566932A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306523A (en) * | 2020-01-16 | 2020-06-19 | 中国船舶重工集团公司第七0三研究所 | Primary cooling fire tube boiler for coke oven crude gas |
| CN111780086A (en) * | 2020-07-13 | 2020-10-16 | 中国船舶重工集团公司第七0三研究所 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
| CN112221255A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Multistage steam-water separator arranged in parallel |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306523A (en) * | 2020-01-16 | 2020-06-19 | 中国船舶重工集团公司第七0三研究所 | Primary cooling fire tube boiler for coke oven crude gas |
| CN111780086A (en) * | 2020-07-13 | 2020-10-16 | 中国船舶重工集团公司第七0三研究所 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
| CN112221255A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Multistage steam-water separator arranged in parallel |
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