CN205174325U - A mixed reducing temperature equipment of vapour for steam turbine and system thereof - Google Patents
A mixed reducing temperature equipment of vapour for steam turbine and system thereof Download PDFInfo
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- CN205174325U CN205174325U CN201520845016.2U CN201520845016U CN205174325U CN 205174325 U CN205174325 U CN 205174325U CN 201520845016 U CN201520845016 U CN 201520845016U CN 205174325 U CN205174325 U CN 205174325U
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Abstract
The utility model provides a mixed reducing temperature equipment of vapour for steam turbine and system thereof, the mixed reducing temperature equipment of vapour who is used for the steam turbine wherein includes first defeated steam pipe, the defeated steam pipe of second and vapour mixing arrangement, wherein, this first defeated steam pipe is linked together with this vapour mixing arrangement to the defeated steam pipe of this second is linked together with this first defeated steam pipe at this vapour mixing arrangement's the upper reaches, the circulation has steam in the first defeated steam pipe, and the circulation has steam in the defeated steam pipe of second, and the temperature of the steam of circulation is lighter than the temperature of the steam of circulation in the first defeated steam pipe in the defeated steam pipe of second. It can reach the mesh of adjusting steam temperature to can avoid subtracting exists the aquosity in the steam after the temperature.
Description
Technical field
The utility model relates to steam temperature reducing field, particularly relates to a kind of vapour vapour mixing Desuperheating device for steam turbine and system thereof.
Background technology
Steam needed for steam turbine generating need meet certain parameter and require to implement normal power generation operation, when the vapor (steam) temperature entering steam turbine is too high, steam turbine then can be caused normally to run, therefore, need to carry out cooling process to the steam before entering steam turbine.
In prior art, the mode that usual employing is sprayed water to high-temperature steam is lowered the temperature to high-temperature steam, obtain temperature required steam, but mix inequality due to high-temperature steam and water, easily cause there is aquosity in mixed steam, the steam of this state enters the normal operation that steam turbine can have a strong impact on steam turbine.
Summary of the invention
The purpose of this utility model is to provide a kind of vapour vapour mixing Desuperheating device for steam turbine, and it can avoid there is aquosity in the steam after lowering the temperature, and can obtain temperature required steam.
The purpose of this utility model is also to provide a kind of vapour vapour mixing temperature reducing system for steam turbine, and it can avoid there is aquosity in the steam after lowering the temperature, and can obtain temperature required steam.
For achieving the above object, a kind of vapour vapour mixing Desuperheating device for steam turbine that the utility model provides, comprises the first steam transmitting pipe, the second steam transmitting pipe and vapour vapour mixing arrangement; Wherein,
Described first steam transmitting pipe is connected with described vapour vapour mixing arrangement, and described second steam transmitting pipe is connected with described first steam transmitting pipe in the upstream of described vapour vapour mixing arrangement;
In described first steam transmitting pipe, circulation has steam, and in described second steam transmitting pipe, circulation has steam, and the temperature of the steam circulated in described second steam transmitting pipe is less than the temperature of the steam circulated in described first steam transmitting pipe.
Further, the tube wall of described first steam transmitting pipe and the tube wall of described second steam transmitting pipe are integrative-structure, and the inside of described first steam transmitting pipe is connected with the inside of described second steam transmitting pipe; The ratio of the internal diameter of described first steam transmitting pipe and the internal diameter of described second steam transmitting pipe is a, 0.5≤a≤1.
Further, described second steam transmitting pipe extends to the inside of described first steam transmitting pipe, and described second steam transmitting pipe is formed with venthole, and the opening direction of described venthole is consistent with the flow direction of steam in described first steam transmitting pipe; The ratio of the internal diameter of described second steam transmitting pipe and the internal diameter of described first steam transmitting pipe is a, 0<a<0.5.
Further, described second steam transmitting pipe is provided with flow control member.
A kind of vapour vapour mixing temperature reducing system for steam turbine that the utility model provides, comprises the vapour vapour mixing Desuperheating device for steam turbine described in above-mentioned any one, heat-obtaining-heat-exchanger rig, steam output pipe and steam turbine; Wherein, the admission end of described first steam transmitting pipe is connected with the outlet of described heat-obtaining-heat-exchanger rig; The steam output end of described vapour vapour mixing arrangement is connected with described steam output pipe; The steam output end of described steam output pipe is connected with the admission end of described steam turbine.
Further, also comprise steam supply device, the admission end of described second steam transmitting pipe is connected with described steam supply device.
Further, the steam output end of described steam output pipe is provided with temperature monitoring component.
Further, described second steam transmitting pipe is provided with temperature monitoring component and pressure monitoring component.
Further, described first steam transmitting pipe is provided with temperature monitoring component and pressure monitoring component.
Compared with prior art, the vapour vapour mixing Desuperheating device for steam turbine that the utility model provides, by arranging the second steam transmitting pipe of the steam having temperature relatively low that circulates, and steam relatively high to steam relatively low for the temperature in the second steam transmitting pipe and the temperature in the first steam transmitting pipe is fully mixed by vapour vapour mixing arrangement, mix with the high-temperature steam in the first steam transmitting pipe by the Low Temperature Steam in the second steam transmitting pipe, while avoiding mixed steam to have aquosity, also can reach the object of the temperature of the high-temperature steam in reduction by first steam transmitting pipe, thus obtain temperature required steam.
In further technical scheme, as the ratio a of the internal diameter of the first steam transmitting pipe and the internal diameter of the second steam transmitting pipe, during 0.5≤a≤1, the tube wall of the tube wall of the first steam transmitting pipe and the second steam transmitting pipe is set to integrative-structure, and both inside is connected.Thus ensure that the high-temperature steam in the first steam transmitting pipe and the Low Temperature Steam in the second steam transmitting pipe fully mix.
In further technical scheme, as the ratio a of the internal diameter of the first steam transmitting pipe and the internal diameter of the second steam transmitting pipe, during 0<a<0.5, second steam transmitting pipe is extended to the inside of the first steam transmitting pipe, and make the opening direction of the venthole on the second steam transmitting pipe consistent with the flow direction of steam in the first steam transmitting pipe.Thus ensure the abundant mixing of two strands of steam.
In further technical scheme, by arranging flow control member on the second steam transmitting pipe road, the flow of Low Temperature Steam in the second steam transmitting pipe can be regulated in real time, be convenient to the variations in temperature according to high-temperature steam in the first steam transmitting pipe, regulate the flow of Low Temperature Steam in the second steam transmitting pipe, and then obtain temperature required mixed vapour.
Compared with prior art, the vapour vapour mixing temperature reducing system for steam turbine that the utility model provides, the supply of heat-obtaining-heat-exchanger rig as the high-temperature steam in the first steam transmitting pipe is originated, Low Temperature Steam is mixed with high-temperature steam, be convenient to the temperature required steam obtained, and the steam containing aquosity can be avoided to enter the operation of steam turbine to steam turbine impact.
In further technical scheme, the admission end of the second steam transmitting pipe is connected with steam supply device, provides Low Temperature Steam by steam supply device to whole system, utilize this Low Temperature Steam to reach the object reducing high-temperature steam.
In further technical scheme, by the steam output end set temperature monitoring component at steam output pipe, can the temperature of steam that exports of Real-Time Monitoring steam output pipe, be convenient to determine whether the temperature of its steam exported meets required vapor (steam) temperature.
In further technical scheme, by the monitoring component of set temperature on the second steam transmitting pipe and pressure monitoring component, be convenient to the temperature and pressure of the Low Temperature Steam in Real-Time Monitoring second steam transmitting pipe.
In further technical scheme, by the monitoring component of set temperature on the first steam transmitting pipe and pressure monitoring component, be convenient to the temperature and pressure of the high-temperature steam in Real-Time Monitoring first steam transmitting pipe.
Accompanying drawing explanation
Also with reference to accompanying drawing, the utility model is described in more detail based on being only non-limiting embodiment hereinafter.Wherein:
The structural representation of the vapour vapour mixing Desuperheating device for steam turbine that Fig. 1, Fig. 2 provide for the utility model embodiment two.
The structural representation of the vapour vapour mixing temperature reducing system for steam turbine that Fig. 3 provides for the utility model embodiment three.
Accompanying drawing illustrates:
1-first steam transmitting pipe, 2-second steam transmitting pipe, 3-vapour vapour mixing arrangement, 4-heat-obtaining-heat-exchanger rig, 5-steam output pipe, 6-steam supply device
Detailed description of the invention
Be clearly and completely described the technical scheme in the utility model embodiment below in conjunction with drawings and Examples, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
It should be noted that, the temperature because of the steam circulated in the second steam transmitting pipe is less than the temperature of the steam circulated in the first steam transmitting pipe, the steam circulated can be defined as high-temperature steam, the steam circulated in the second steam transmitting pipe is defined as Low Temperature Steam in the first steam transmitting pipe.
Embodiment one
A kind of vapour vapour mixing Desuperheating device for steam turbine provided in the present embodiment, comprises the first steam transmitting pipe, the second steam transmitting pipe and vapour vapour mixing arrangement; Wherein, this first steam transmitting pipe is connected with this vapour vapour mixing arrangement, and this second steam transmitting pipe is connected with this first steam transmitting pipe in the upstream of this vapour vapour mixing arrangement; In this first steam transmitting pipe, circulation has steam, and in the second steam transmitting pipe, circulation has steam, and the temperature of the steam circulated in this second steam transmitting pipe is less than the temperature of the steam circulated in this first steam transmitting pipe.
In prior art, the mode that usual employing is sprayed water to high-temperature steam is lowered the temperature to high-temperature steam, obtain temperature required steam, but mix inequality due to high-temperature steam and water, easily cause easily having aquosity in mixed steam, the steam of this state enters the normal operation that steam turbine can have a strong impact on steam turbine.
Therefore, the vapour vapour mixing Desuperheating device for steam turbine that the present embodiment provides, Low Temperature Steam is had by circulation in the second steam transmitting pipe, and export again after the high-temperature steam circulated in the first steam transmitting pipe is mixed by vapour vapour mixing arrangement with the Low Temperature Steam circulated in the second steam transmitting pipe, thus reach the object reducing high-temperature steam temperature, and then obtain temperature required steam; And not containing aquosity in this mixed steam, can not impact steam turbine.
Embodiment two
As shown in Figure 1, 2, a kind of vapour vapour mixing Desuperheating device for steam turbine provided in the present embodiment, comprises the first steam transmitting pipe 1, second steam transmitting pipe 2 and vapour vapour mixing arrangement 3; Wherein, this first steam transmitting pipe 1 is connected with this vapour vapour mixing arrangement 3, and this second steam transmitting pipe 2 is connected with this first steam transmitting pipe 1 in the upstream of this vapour vapour mixing arrangement 3; In this first steam transmitting pipe 1, circulation has steam, and in the second steam transmitting pipe 2, circulation has steam, and in this second steam transmitting pipe 2, the temperature of the steam of circulation is less than the temperature of the steam of circulation in this first steam transmitting pipe 1.
As shown in Figure 1, the tube wall of the first steam transmitting pipe 1 wherein and the tube wall of the second steam transmitting pipe 2 can be integrative-structure, and the inside of this first steam transmitting pipe 1 is connected with the inside of this second steam transmitting pipe 2; And the ratio of the internal diameter of the internal diameter of this first steam transmitting pipe 1 and this second steam transmitting pipe 2 is a, 0.5≤a≤1.As the ratio a of the internal diameter of the first steam transmitting pipe 1 and the internal diameter of the second steam transmitting pipe 2, during 0.5≤a≤1, the internal diameter of the first steam transmitting pipe 1 of this kind of structure and the internal diameter of the second steam transmitting pipe 2 can be regarded as close, now, the tube wall of the tube wall of the first steam transmitting pipe 1 and the second steam transmitting pipe 2 can be set to integrative-structure, thus ensure that the high-temperature steam in the first steam transmitting pipe 1 and the Low Temperature Steam in the second steam transmitting pipe 2 fully mix.
In addition, as shown in Figure 2, the second steam transmitting pipe 2 also may extend to the inside of the first steam transmitting pipe 1, and this second steam transmitting pipe 2 is formed with venthole, and the opening direction of this venthole is consistent with the flow direction of steam in the first steam transmitting pipe 1; And the ratio of the internal diameter of the internal diameter of the second steam transmitting pipe 2 and the first steam transmitting pipe 1 is a, 0<a<0.5.As the ratio a of the internal diameter of the second steam transmitting pipe 2 and the internal diameter of the first steam transmitting pipe 1, during 0<a<0.5.Now, the internal diameter that can be regarded as the first steam transmitting pipe 1 is comparatively greater than the internal diameter of the second steam transmitting pipe 2, second steam transmitting pipe 2 is extended to the inside of the first steam transmitting pipe 1, this second steam transmitting pipe 2 is formed with venthole, and the opening direction of this venthole is consistent with the flow direction of steam in the first steam transmitting pipe 1, thus ensure that the Low Temperature Steam in the second steam transmitting pipe 2 fully mixes with the high-temperature steam in the first steam transmitting pipe 1, and then obtain temperature required steam.
Moreover, this second steam transmitting pipe 2 also can arrange flow control member, by the flow of the Low Temperature Steam in adjustable second steam transmitting pipe 2 of this flow control member, be convenient to regulate the flow of Low Temperature Steam in the second steam transmitting pipe 2 according to the temperature of steam after the temperature of the high-temperature steam in the first steam transmitting pipe 1 and required mixing.
Embodiment three
As shown in Figure 3, present embodiments provide a kind of vapour vapour mixing temperature reducing system for steam turbine, comprise the vapour vapour mixing Desuperheating device for steam turbine described in embodiment one or embodiment two, heat-obtaining-heat-exchanger rig 4, steam output pipe 5 and steam turbine; Wherein, the admission end of the first steam transmitting pipe 1 is connected with the outlet of this heat-obtaining-heat-exchanger rig 4, and the steam output end of vapour vapour mixing arrangement 3 is connected with steam output pipe 5, and the steam output end of steam output pipe 5 is connected with the admission end of this steam turbine.
Therefore, after Low Temperature Steam mixes with the high-temperature steam obtained after heat-obtaining-heat-exchanger rig 4 heat-obtaining by the present embodiment, reach the object of the temperature reducing the high-temperature steam obtained after heat-obtaining-heat-exchanger rig 4 heat-obtaining, be convenient to obtain temperature required steam; And mixed steam can be avoided to there is aquosity, thus avoid the steam containing aquosity to enter the operation of steam turbine to steam turbine impacting.
In one of them embodiment of the present embodiment, heat-obtaining-heat-exchanger rig 4 wherein can be solid heat storage device, is connected by the admission end of the outlet of solid heat storage device with the first steam transmitting pipe 1.Water absorbs the heat that solid heat storage device stores, and produce high-temperature steam, this high-temperature steam is delivered in the first steam transmitting pipe 1, and the high-temperature steam in the first steam transmitting pipe 1 mixes with the Low Temperature Steam in this second steam transmitting pipe 2, thus reaches the object reducing high-temperature steam.
In one of them embodiment of the present embodiment, heat-obtaining-heat-exchanger rig 4 wherein also can be the overall structure of fuse salt heat storage units and heat exchange unit formation.Wherein, in heat exchange unit, circulation has aqueous medium, is connected by the admission end of the outlet of heat exchange unit with the first steam transmitting pipe 1.High-temperature fusion salt medium in fuse salt heat storage units is delivered in heat exchange unit, aqueous medium in heat exchange unit and the heat exchange of high-temperature fusion salt, temperature raises, obtain high-temperature steam, this high-temperature steam is delivered in the first steam transmitting pipe 1, high-temperature steam in first steam transmitting pipe 1 mixes with the Low Temperature Steam in the second steam transmitting pipe 2, thus reaches the object of the temperature reducing high-temperature steam.
In addition, in one of them embodiment of the present embodiment, the steam configuration-system in this photo-thermal power station also can comprise water separator, and heat-obtaining-heat-exchanger rig 4 wherein comprises the first heat storage units and the second heat storage units; Wherein, the arrival end of this water separator is connected with the first heat storage units, and the port of export of this water separator is connected with the second heat storage units, and the port of export of this water separator is connected with the admission end of the second steam transmitting pipe.Namely carbonated drink separation is carried out from the steam after the first heat storage units heat-obtaining by water separator, the water of separation is stored in water separator, a part in isolated steam enters the second heat storage units and carries out further heat-obtaining, obtain higher temperature, and be circulated in the first steam transmitting pipe 1; Another part in isolated steam then enters in the second steam transmitting pipe 2, and the steam higher with the temperature in the first steam transmitting pipe 1 by steam that the temperature in this second steam transmitting pipe 2 is relatively low mixes, thus regulates the temperature of the steam in the first steam transmitting pipe 1.
The vapour vapour mixing temperature reducing system for steam turbine of the present embodiment also comprises steam supply device 6, wherein, the admission end of the second steam transmitting pipe 2 is connected with steam supply device 6, utilize this steam supply device 6 to the second steam transmitting pipe 2 transporting low temperature steam, utilize this Low Temperature Steam to reach the object reducing high-temperature steam.Steam supply device 6 wherein can be and can be used for the structure of Low Temperature Steam in the heat-obtaining-heat-exchanger rig 4 of foregoing description, also can be steam turbine, by the admission end of the second steam transmitting pipe 2 can with the drawing gas to hold and be connected of steam turbine, in steam Transportation to the second steam transmitting pipe 2 utilizing the temperature of extracted steam from turbine end lower, utilize this Low Temperature Steam to implement to lower the temperature to from the high-temperature steam after the utilization of heat-obtaining-heat-exchanger rig 4 heat-obtaining, thus regulate the quality of the steam before entering steam turbine.
The steam output end of steam output pipe 5 wherein can monitor component by set temperature, can the temperature of steam of steam output end of Real-Time Monitoring steam output pipe 5 by this temperature monitoring component, judge according to this temperature value whether the temperature of the steam of the steam output end of this steam output pipe 5 meets temperature required value, and according to the flow of the Low Temperature Steam in discrepancy adjustment second steam transmitting pipe 2 of this temperature value and required ideal temperature value.In addition, second steam transmitting pipe 2 also can monitor component and pressure monitoring component by set temperature, by the temperature and pressure of Low Temperature Steam in this temperature monitoring component and pressure monitoring component Real-Time Monitoring second steam transmitting pipe 2, provide reference for regulating the flow of the Low Temperature Steam in the second steam transmitting pipe 2.Moreover, also on the first steam transmitting pipe 1, component and pressure monitoring component can be monitored by set temperature, by the temperature and pressure of the high-temperature steam in this temperature monitoring component and pressure monitoring component Real-Time Monitoring first steam transmitting pipe 1, provide reference for regulating the flow of the Low Temperature Steam in the second steam transmitting pipe 2.
Finally it should be noted that: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to aforementioned embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned embodiments is recorded, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (9)
1. for a vapour vapour mixing Desuperheating device for steam turbine, it is characterized in that, comprise the first steam transmitting pipe, the second steam transmitting pipe and vapour vapour mixing arrangement; Wherein,
Described first steam transmitting pipe is connected with described vapour vapour mixing arrangement, and described second steam transmitting pipe is connected with described first steam transmitting pipe in the upstream of described vapour vapour mixing arrangement;
In described first steam transmitting pipe, circulation has steam, and in described second steam transmitting pipe, circulation has steam, and the temperature of the steam circulated in described second steam transmitting pipe is less than the temperature of the steam circulated in described first steam transmitting pipe.
2. the vapour vapour mixing Desuperheating device for steam turbine according to claim 1, it is characterized in that, the tube wall of described first steam transmitting pipe and the tube wall of described second steam transmitting pipe are integrative-structure, and the inside of described first steam transmitting pipe is connected with the inside of described second steam transmitting pipe; The ratio of the internal diameter of described first steam transmitting pipe and the internal diameter of described second steam transmitting pipe is a, 0.5≤a≤1.
3. the vapour vapour mixing Desuperheating device for steam turbine according to claim 1, it is characterized in that, described second steam transmitting pipe extends to the inside of described first steam transmitting pipe, described second steam transmitting pipe is formed with venthole, and the opening direction of described venthole is consistent with the flow direction of steam in described first steam transmitting pipe;
The ratio of the internal diameter of described second steam transmitting pipe and the internal diameter of described first steam transmitting pipe is a, 0<a<0.5.
4., according to the vapour vapour mixing Desuperheating device for steam turbine of claims 1 to 3 according to any one of it, it is characterized in that, described second steam transmitting pipe is provided with flow control member.
5. for a vapour vapour mixing temperature reducing system for steam turbine, it is characterized in that, comprise the vapour vapour mixing Desuperheating device for steam turbine according to any one of the claims 1 to 4, heat-obtaining-heat-exchanger rig, steam output pipe and steam turbine; Wherein,
The admission end of described first steam transmitting pipe is connected with the outlet of described heat-obtaining-heat-exchanger rig;
The steam output end of described vapour vapour mixing arrangement is connected with described steam output pipe;
The steam output end of described steam output pipe is connected with the admission end of described steam turbine.
6., according to claim 5 for the vapour vapour mixing temperature reducing system of steam turbine, it is characterized in that, also comprise steam supply device, the admission end of described second steam transmitting pipe is connected with described steam supply device.
7. the vapour vapour mixing temperature reducing system for steam turbine according to claim 5 or 6, is characterized in that, the steam output end of described steam output pipe is provided with temperature monitoring component.
8. the vapour vapour mixing temperature reducing system for steam turbine according to claim 7, is characterized in that, described second steam transmitting pipe is provided with temperature monitoring component and pressure monitoring component.
9. the vapour vapour mixing temperature reducing system for steam turbine according to claim 8, is characterized in that, described first steam transmitting pipe is provided with temperature monitoring component and pressure monitoring component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845016.2U CN205174325U (en) | 2015-10-28 | 2015-10-28 | A mixed reducing temperature equipment of vapour for steam turbine and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845016.2U CN205174325U (en) | 2015-10-28 | 2015-10-28 | A mixed reducing temperature equipment of vapour for steam turbine and system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106139944A (en) * | 2016-08-29 | 2016-11-23 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN106197118A (en) * | 2016-08-29 | 2016-12-07 | 青岛康泰重工机械有限公司 | Steam heater |
| CN106268404A (en) * | 2016-08-29 | 2017-01-04 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN106642070A (en) * | 2015-10-28 | 2017-05-10 | 北京兆阳光热技术有限公司 | Steam-steam mixing and cooling device, system and method for turbine |
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2015
- 2015-10-28 CN CN201520845016.2U patent/CN205174325U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642070A (en) * | 2015-10-28 | 2017-05-10 | 北京兆阳光热技术有限公司 | Steam-steam mixing and cooling device, system and method for turbine |
| CN106139944A (en) * | 2016-08-29 | 2016-11-23 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN106197118A (en) * | 2016-08-29 | 2016-12-07 | 青岛康泰重工机械有限公司 | Steam heater |
| CN106268404A (en) * | 2016-08-29 | 2017-01-04 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN106197118B (en) * | 2016-08-29 | 2018-04-17 | 青岛康泰重工机械有限公司 | Steam hybrid heater |
| CN106139944B (en) * | 2016-08-29 | 2019-04-26 | 青岛冠泰环保科技有限公司 | Steam mixer |
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