CN112856384B - Self preservation protects formula desuperheating water adjusting device - Google Patents
Self preservation protects formula desuperheating water adjusting device Download PDFInfo
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- CN112856384B CN112856384B CN202110032693.2A CN202110032693A CN112856384B CN 112856384 B CN112856384 B CN 112856384B CN 202110032693 A CN202110032693 A CN 202110032693A CN 112856384 B CN112856384 B CN 112856384B
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- air inlet
- cavity
- water
- inlet cylinder
- pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G5/00—Controlling superheat temperature
- F22G5/12—Controlling superheat temperature by attemperating the superheated steam, e.g. by injected water sprays
- F22G5/123—Water injection apparatus
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a self-protection type desuperheating water adjusting device, which belongs to the technical field of steam cooling and comprises an air inlet cylinder, wherein one end of the air inlet cylinder is an air inlet end, the other end of the air inlet cylinder is an air outlet end, a water storage tank is arranged above the air inlet cylinder, a booster pump is arranged at the upper part of the water storage tank, a spraying column is arranged in the air inlet cylinder along the axis direction, a first cavity is formed in one end of the spraying column, a second cavity is formed in the other end of the spraying column, and a driving shaft which is horizontally distributed is arranged in the spraying column. The embodiment of the invention has the advantages of simple structure, convenient use and good cooling effect, when the temperature-reducing water enters the first cavity and the second cavity, the spiral blades can be pushed to rotate, the temperature-reducing water can form an annular water curtain structure by utilizing the arrangement of the first diversion cone, and the high-temperature steam is driven to form a steam curtain structure by matching with the second diversion cone, so that the contact effect of the high-temperature steam and the temperature-reducing water is favorably improved, and the cooling effect is further improved.
Description
Technical Field
The invention belongs to the technical field of steam cooling, and particularly relates to a self-protection type temperature-reducing water adjusting device.
Background
At present, a large amount of superheated steam can be generated when a boiler of a thermal power plant works, the purpose of reducing temperature is usually achieved by adjusting the amount of reduced-temperature water and mixing the reduced-temperature water with steam in a cooling means for the superheated steam, and the amount of reduced-temperature water must be adjusted to meet the condition that the pressure of the reduced-temperature water is greater than that of the steam, so that the reduced-temperature water can be adjusted.
Among the prior art, there is the problem that can't carry out effective contact with superheated steam in desuperheating water after getting into steam conduit inside, promptly desuperheating water can not be abundant with superheated steam contact to lead to superheated steam's cooling effect relatively poor, realize that current desuperheating water system can't satisfy the demand.
Disclosure of Invention
In view of the above deficiencies of the prior art, an embodiment of the present invention provides a self-protection type temperature-reducing water adjusting device.
In order to solve the technical problems, the invention provides the following technical scheme:
a self-protection type desuperheating water adjusting device comprises an air inlet cylinder, wherein one end of the air inlet cylinder is an air inlet end, the other end of the air inlet cylinder is an air outlet end, a water storage tank is arranged above the air inlet cylinder, a booster pump is arranged on the upper portion of the water storage tank, a spraying column is arranged inside the air inlet cylinder along the axis direction, one end of the spraying column is provided with a first cavity, the other end of the spraying column is provided with a second cavity, a driving shaft which is horizontally distributed is arranged inside the spraying column, spiral blades are fixedly arranged on shaft sections of the driving shaft which are located inside the first cavity and the second cavity, two ends of the driving shaft are connected with first guide cones, one part of each first guide cone extends to the outside of the spraying column, a spraying gap is formed between a conical surface of each first guide cone and a port of the spraying column, two groups of first pipelines which are respectively communicated with the first cavity and the second cavity are connected to the upper portion of the spraying column, the second pipeline penetrates through the air inlet cylinder and is communicated with the water storage tank, and the first pipelines are obliquely arranged; and a second diversion cone is arranged at the end part of the first diversion cone close to the air inlet end.
As a further improvement of the invention: the driving shaft is in running fit with the inner wall of the spraying column through a bearing.
As a further improvement of the invention: the joint of the second pipeline and the air inlet cylinder is sealed through a sealing ring.
As a further improvement of the invention: the water storage tank is characterized in that a water inlet pipe is arranged on the upper portion of the water storage tank, a second valve is installed on the second pipeline, a backflow pipe is communicated with the side wall of the second pipeline, one end, away from the second pipeline, of the backflow pipe is communicated with the water inlet pipe, the backflow pipe is located above the second valve in the connecting position with the second pipeline, a first valve is installed on the backflow pipe, and the first valve and the second valve are both electrically connected with the controller.
As a still further improvement of the invention: the air inlet cylinder comprises a first shell and a second shell, the first shell and the second shell can be enclosed to form a cylinder structure, a first extending plate is fixedly arranged at the end part of the first shell, a second extending plate is fixedly arranged at the end part of the second shell, and the first extending plate and the second extending plate are connected through a bolt assembly.
As a still further improvement of the invention: first water conservancy diversion awl one end is fixed to be provided with the inserted bar, the jack has been seted up to the drive shaft tip, the inserted bar extends to inside and can follow the jack length direction removal of jack.
As a still further improvement of the invention: the inserted bar is in threaded fit with the insertion hole.
Compared with the prior art, the invention has the beneficial effects that:
the embodiment of the invention has the advantages of simple structure, convenient use and good cooling effect, when the temperature-reducing water enters the first cavity and the second cavity, the spiral blades can be pushed to rotate, the temperature-reducing water can form an annular water curtain structure by utilizing the arrangement of the first diversion cone, and the high-temperature steam is driven to form a steam curtain structure by matching with the second diversion cone, so that the contact effect of the high-temperature steam and the temperature-reducing water is favorably improved, and the cooling effect is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a self-protection type temperature-reducing water adjusting device;
FIG. 2 is a schematic structural diagram of an air inlet cylinder in the self-protection type temperature-reducing water adjusting device;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: 1-air inlet cylinder, 2-spray column, 3-first chamber, 4-bearing, 5-driving shaft, 6-helical blade, 7-second chamber, 8-first guide cone, 9-air outlet end, 10-first pipeline, 11-second pipeline, 12-sealing ring, 13-water storage tank, 14-booster pump, 15-water inlet pipe, 16-return pipe, 17-first valve, 18-second valve, 19-air inlet end, 20-second guide cone, 21-first extension plate, 22-second extension plate, 23-bolt assembly, 24-first shell, 25-second shell, 26-inserted bar and 27-insertion hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the embodiment provides a self-protection desuperheating water adjusting device, including an air inlet cylinder 1, one end of the air inlet cylinder 1 is an air inlet end 19, the other end is an air outlet end 9, a water storage tank 13 is arranged above the air inlet cylinder 1, a booster pump 14 is arranged on the upper portion of the water storage tank 13, a spray column 2 is arranged in the air inlet cylinder 1 along the axis direction, a first cavity 3 is arranged at one end of the spray column 2, a second cavity 7 is arranged at the other end of the spray column 2, a driving shaft 5 is arranged in the spray column 2 and horizontally distributed, helical blades 6 are fixedly arranged on the shaft sections of the driving shaft 5 in the first cavity 3 and the second cavity 7, both ends of the driving shaft 5 are connected with first guide cones 8, the first guide cones 8 have a part extending to the outside of the spray column 2, a spraying gap is formed between the tapered surface of the first guide cones 8 and the port of the spray column 2, two sets of first pipelines 10 respectively communicated with the first cavity 3 and the second cavity 7 are connected to the upper portion of the first pipeline 10, the second pipeline 11 passes through the water storage tank 1 and is obliquely communicated with the first cavity 13; the end part of the first guide cone 8 close to the air inlet end 19 is provided with a second guide cone 20.
High-temperature steam generated during the operation of a boiler in a thermal power plant enters the air inlet cylinder 1 through the air inlet end 19 and is discharged through the air outlet end 9, temperature-reducing water in the water storage tank 13 is respectively pressed into the first cavity 3 and the second cavity 7 through the two groups of second pipelines 11 and the first pipeline 10 through the booster pump 14, the temperature-reducing water can flow along the interiors of the first cavity 3 and the second cavity 7 under the action of pressure, further the spiral blade 6 is pushed, the driving shaft 5 is driven to rotate, so that the first guide cone 8 is driven to rotate, the temperature-reducing water can flow along the conical surface of the first guide cone 8 when moving to the port of the spray column 2, so that the temperature-reducing water can form an annular water curtain in the air inlet cylinder 1, the high-temperature steam can act on the second guide cone 20 when entering the air inlet cylinder 1 through the air inlet end 19, so that the high-temperature steam flows along the conical surface of the second guide cone 20 to form an annular steam curtain and is in contact with the water curtain, thereby improving the contact effect of the contact of the high-temperature steam and improving the cooling effect of the high-temperature steam; along with the flow of high temperature steam in the inside of air inlet cylinder 1, the temperature-reducing water that flows along the 8 conical surfaces of another group of first water conservancy diversion awl can contact with the high temperature steam through preliminary cooling again to further improve the cooling effect of high temperature steam.
Specifically, the driving shaft 5 is in running fit with the inner wall of the spraying column 2 through a bearing 4.
Specifically, the joint of the second pipeline 11 and the air inlet cylinder 1 is sealed by a sealing ring 12.
Further, a water inlet pipe 15 is arranged on the upper portion of the water storage tank 13, a second valve 18 is installed on the second pipeline 11, a return pipe 16 is communicated with the side wall of the second pipeline 11, one end, away from the second pipeline 11, of the return pipe 16 is communicated with the water inlet pipe 15, the connection position of the return pipe 16 and the second pipeline 11 is located above the second valve 18, a first valve 17 is installed on the return pipe 16, and the first valve 17 and the second valve 18 are electrically connected with a controller (not shown).
Detect the inside inlet pressure of an air inlet section of thick bamboo 1 through the controller, when the fluctuation on a large scale appears in the inside high temperature steam of an air inlet section of thick bamboo 1, the steerable first valve 17 of controller is opened, second valve 18 is closed, booster pump 14 impresses the desuperheating water inside the second pipeline 11 back, 16 inside to the inlet tube 15 that flow back of desuperheating water accessible back pipe, and flow back again to the water storage tank 13 by inlet tube 15 in, realize the circulation of desuperheating water, thereby prevent because of the inside inlet pressure abrupt increase of an air inlet section of thick bamboo 1, and then cause the pressure building of booster pump 14.
In this embodiment, the intake cylinder 1 includes a first casing 24 and a second casing 25, the first casing 24 and the second casing 25 may enclose a cylindrical structure, a first extending plate 21 is fixedly disposed at an end of the first casing 24, a second extending plate 22 is fixedly disposed at an end of the second casing 25, and the first extending plate 21 and the second extending plate 22 are connected through a bolt assembly 23.
Through the detachable connection of first housing 24 and second housing 25 to facilitate maintenance and replacement of spray column 2.
In this embodiment, the controller is used to detect the intake pressure inside the intake cylinder 1, and the controller is used to open and close the first valve 17 and the second valve 18, which are well known and commonly used means in the art, and will not be described herein.
Example 2
Referring to fig. 3, in this embodiment, compared with embodiment 1, an insertion rod 26 is fixedly disposed at one end of the first diversion cone 8, an insertion hole 27 is disposed at an end of the driving shaft 5, and the insertion rod 26 extends into the insertion hole 27 and can move along a length direction of the insertion hole 27.
Through the setting of inserted bar 26 and jack 27, can adjust first water conservancy diversion awl 8 to change the size in first water conservancy diversion awl 8 conical surface and the clearance that forms of post 2 port department that sprays, thereby adjust the flow of desuperheating water, with the cooling demand of the high temperature steam under the adaptation different environment.
Specifically, the insertion rod 26 is screw-engaged with the insertion hole 27.
The embodiment of the invention has the advantages of simple structure, convenient use and good cooling effect, when the temperature-reducing water enters the first cavity 3 and the second cavity 7, the spiral blades 6 can be pushed to rotate, the temperature-reducing water can form an annular water curtain structure by utilizing the arrangement of the first guide cone 8, and the high-temperature steam is driven to form a steam curtain structure by matching with the second guide cone 20, so that the contact effect of the high-temperature steam and the temperature-reducing water is favorably improved, and the cooling effect is further improved.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The self-protection type desuperheating water adjusting device is characterized by comprising an air inlet cylinder (1), wherein one end of the air inlet cylinder (1) is an air inlet end (19), the other end of the air inlet cylinder is an air outlet end (9), a water storage tank (13) is arranged above the air inlet cylinder (1), a booster pump (14) is arranged on the upper portion of the water storage tank (13), a spray column (2) is arranged inside the air inlet cylinder (1) along the axis direction, a first cavity (3) is arranged at one end of the spray column (2), a second cavity (7) is arranged at the other end of the spray column (2), a horizontally distributed driving shaft (5) is arranged inside the spray column (2), the driving shaft (5) is positioned on the shaft sections inside the first cavity (3) and the second cavity (7) and is fixedly provided with a spiral blade (6), both ends of the driving shaft (5) are connected with first guide cones (8), the first guide cones (8) are partially extended to the outside the spray column (2), the conical surfaces of the first guide cones form a spray gap with the spray column (2), the upper portions of the spray column (2) are connected with two sets of a water storage pipeline (3) and a second cavity (10), and the second guide pipeline (11) is communicated with the second cavity (10), the first pipeline (10) is obliquely arranged; a second diversion cone (20) is arranged at the end part of the first diversion cone (8) close to the air inlet end (19);
the driving shaft (5) is in running fit with the inner wall of the spraying column (2) through a bearing (4).
2. The self-protecting desuperheating water regulating device of claim 1, wherein the connection of the second pipe (11) and the air intake cylinder (1) is sealed by a sealing ring (12).
3. The self-protection type temperature-reducing water adjusting device is characterized in that a water inlet pipe (15) is arranged at the upper part of the water storage tank (13), a second valve (18) is installed on the second pipeline (11), a return pipe (16) is communicated with the side wall of the second pipeline (11), one end, far away from the second pipeline (11), of the return pipe (16) is communicated with the water inlet pipe (15), the connecting position of the return pipe (16) and the second pipeline (11) is located above the second valve (18), a first valve (17) is installed on the return pipe (16), and the first valve (17) and the second valve (18) are both electrically connected with a controller.
4. The self-protection type desuperheating water adjusting device according to claim 1 or 3, wherein the air inlet cylinder (1) comprises a first shell (24) and a second shell (25), the first shell (24) and the second shell (25) can form a cylinder structure, a first extending plate (21) is fixedly arranged at the end of the first shell (24), a second extending plate (22) is fixedly arranged at the end of the second shell (25), and the first extending plate (21) is connected with the second extending plate (22) through a bolt assembly (23).
5. The self-protection type temperature-reducing water adjusting device is characterized in that an inserting rod (26) is fixedly arranged at one end of the first flow guiding cone (8), an inserting hole (27) is formed in the end portion of the driving shaft (5), and the inserting rod (26) extends into the inserting hole (27) and can move along the length direction of the inserting hole (27).
6. A self-protecting desuperheating water regulating device according to claim 5, wherein said spigot (26) is screw-engaged with said socket (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032693.2A CN112856384B (en) | 2021-01-11 | 2021-01-11 | Self preservation protects formula desuperheating water adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032693.2A CN112856384B (en) | 2021-01-11 | 2021-01-11 | Self preservation protects formula desuperheating water adjusting device |
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| CN112856384A CN112856384A (en) | 2021-05-28 |
| CN112856384B true CN112856384B (en) | 2022-10-14 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190304204A (en) * | 1903-02-23 | 1903-10-08 | Joseph Hoskin | An Improved Injector Apparatus for Compressing Air. |
| CN101619805A (en) * | 2009-06-01 | 2010-01-06 | 西安华阳能源科技工程有限公司 | Radial-flow fluid vortex generator for oil/gas transportation pipelines |
| CN201880619U (en) * | 2010-10-20 | 2011-06-29 | 哈尔滨滨大阀门制造有限公司 | Spring atomizing nozzle |
| CN202915344U (en) * | 2012-11-23 | 2013-05-01 | 杭州东辰热力辅机有限公司 | Steam desuperheater |
| CN103090362A (en) * | 2013-01-14 | 2013-05-08 | 浙江大学 | Automatic adjustment nozzle and method |
| CN205146479U (en) * | 2015-12-09 | 2016-04-13 | 杭州东辰热力辅机有限公司 | Spring atomizing nozzle |
| CN107559239A (en) * | 2017-09-20 | 2018-01-09 | 北京航空航天大学 | A kind of centrifugal gas compressor attemperator of center nozzle structure |
| CN207430553U (en) * | 2017-11-14 | 2018-06-01 | 哈尔滨滨大阀门制造有限公司 | Steam aids in desuperheat water atomizing nozzle |
| CN207839218U (en) * | 2016-08-23 | 2018-09-11 | 费希尔控制产品国际有限公司 | Injection nozzle and Steam conditioning device |
| CN110068006A (en) * | 2019-04-19 | 2019-07-30 | 山东国电发电工程有限公司 | A kind of steam spray desuperheating hybrid system |
| CN110566937A (en) * | 2019-09-29 | 2019-12-13 | 中国华电科工集团有限公司 | steam-water injection type temperature and pressure reducing device and method |
| CN210345439U (en) * | 2019-05-04 | 2020-04-17 | 南昌科冠科技有限公司 | Water spray desuperheater for electric power engineering |
| CN211450892U (en) * | 2019-12-31 | 2020-09-08 | 无锡华益电力阀门有限公司 | Desuperheater |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3809678C1 (en) * | 1988-03-17 | 1989-05-18 | Mannesmann Ag, 4000 Duesseldorf, De | |
| DE19649553A1 (en) * | 1995-11-30 | 1997-06-19 | Komax Systems Inc | Steam converter for avoiding overheat state of steam within cylindrical vessel |
| RU2160867C1 (en) * | 2000-04-25 | 2000-12-20 | Андреев Александр Павлович | Cooling plant |
| CN201382403Y (en) * | 2009-03-20 | 2010-01-13 | 北京康泰丰源科技发展有限公司 | Desuperheater |
| JP2013002690A (en) * | 2011-06-15 | 2013-01-07 | Miura Co Ltd | Superheated steam desuperheater |
| EP2623743A1 (en) * | 2012-02-06 | 2013-08-07 | Siemens Aktiengesellschaft | Water injection device for a by-pass steam system of a power plant |
| US8931717B2 (en) * | 2012-10-03 | 2015-01-13 | Control Components, Inc. | Nozzle design for high temperature attemperators |
| US8955773B2 (en) * | 2012-10-03 | 2015-02-17 | Control Components, Inc. | Nozzle design for high temperature attemperators |
| US10288280B2 (en) * | 2014-08-04 | 2019-05-14 | Cci Italy Srl | Dual cone spray nozzle assembly for high temperature attemperators |
| CN209876900U (en) * | 2019-04-25 | 2019-12-31 | 苏州晟德亿节能环保科技有限公司 | Injection type heat pump temperature reducing device for flash steam |
-
2021
- 2021-01-11 CN CN202110032693.2A patent/CN112856384B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190304204A (en) * | 1903-02-23 | 1903-10-08 | Joseph Hoskin | An Improved Injector Apparatus for Compressing Air. |
| CN101619805A (en) * | 2009-06-01 | 2010-01-06 | 西安华阳能源科技工程有限公司 | Radial-flow fluid vortex generator for oil/gas transportation pipelines |
| CN201880619U (en) * | 2010-10-20 | 2011-06-29 | 哈尔滨滨大阀门制造有限公司 | Spring atomizing nozzle |
| CN202915344U (en) * | 2012-11-23 | 2013-05-01 | 杭州东辰热力辅机有限公司 | Steam desuperheater |
| CN103090362A (en) * | 2013-01-14 | 2013-05-08 | 浙江大学 | Automatic adjustment nozzle and method |
| CN205146479U (en) * | 2015-12-09 | 2016-04-13 | 杭州东辰热力辅机有限公司 | Spring atomizing nozzle |
| CN207839218U (en) * | 2016-08-23 | 2018-09-11 | 费希尔控制产品国际有限公司 | Injection nozzle and Steam conditioning device |
| CN107559239A (en) * | 2017-09-20 | 2018-01-09 | 北京航空航天大学 | A kind of centrifugal gas compressor attemperator of center nozzle structure |
| CN207430553U (en) * | 2017-11-14 | 2018-06-01 | 哈尔滨滨大阀门制造有限公司 | Steam aids in desuperheat water atomizing nozzle |
| CN110068006A (en) * | 2019-04-19 | 2019-07-30 | 山东国电发电工程有限公司 | A kind of steam spray desuperheating hybrid system |
| CN210345439U (en) * | 2019-05-04 | 2020-04-17 | 南昌科冠科技有限公司 | Water spray desuperheater for electric power engineering |
| CN110566937A (en) * | 2019-09-29 | 2019-12-13 | 中国华电科工集团有限公司 | steam-water injection type temperature and pressure reducing device and method |
| CN211450892U (en) * | 2019-12-31 | 2020-09-08 | 无锡华益电力阀门有限公司 | Desuperheater |
Non-Patent Citations (1)
| Title |
|---|
| 高涌东.管道中旋流喷嘴雾化流场的速度分布特性.《热能动力工程》.2018, * |
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