CN205175171U - Mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof - Google Patents
Mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof Download PDFInfo
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- CN205175171U CN205175171U CN201520843562.2U CN201520843562U CN205175171U CN 205175171 U CN205175171 U CN 205175171U CN 201520843562 U CN201520843562 U CN 201520843562U CN 205175171 U CN205175171 U CN 205175171U
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Abstract
The utility model provides a mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof, the mixed reducing temperature equipment of super supercritical carbon dioxide gas wherein includes first fluid passageway, second fluid passageway gentleness gas mixing arrangement, wherein, this first fluid passageway is linked together with this gas mixing arrangement to this second fluid passageway is linked together with this first fluid passageway at this gas mixing arrangement's the upper reaches, the circulation has super supercritical carbon dioxide in this first fluid passageway, and the circulation has super supercritical carbon dioxide in this second fluid passageway, and the super supercritical carbon dioxide's who circulates in the second fluid passageway temperature is less than the super supercritical carbon dioxide's that circulates temperature in the first fluid passageway. Its mesh that can reach the super supercritical carbon dioxide's of regulation temperature.
Description
Technical field
The utility model relates to gas desuperheat field, particularly relates to a kind of supercritical carbon dioxide gas gas mixing Desuperheating device and system thereof.
Background technology
Because the heat transfer and flow performance that supercritical carbon dioxide is excellent has the great potential improving generating efficiency, in just being studied widely using supercritical carbon dioxide as the solar heat power generation system of working medium.
Gas needed for gas turbine power generation need meet certain parameter and require to implement normal power generation operation, when the temperature of the supercritical carbon dioxide entering gas turbine is too high, gas turbine then can be caused normally to run, therefore, need to carry out cooling process to the supercritical carbon dioxide before entering gas turbine.
Summary of the invention
The purpose of this utility model is to provide a kind of supercritical carbon dioxide gas gas mixing Desuperheating device, and the temperature of its adjustable supercritical carbon dioxide, obtains temperature required supercritical carbon dioxide.
The purpose of this utility model is also to provide a kind of supercritical carbon dioxide gas gas mixing temperature reducing system, and the temperature of its adjustable supercritical carbon dioxide, obtains temperature required supercritical carbon dioxide.
For achieving the above object, a kind of supercritical carbon dioxide gas gas mixing Desuperheating device that the utility model provides, comprises first fluid passage, the gentle gas mixing arrangement of second fluid passage; Wherein,
Described first fluid passage is connected with described gas gas mixing arrangement, and described second fluid passage is connected with described first fluid passage in the upstream of described gas gas mixing arrangement;
In described first fluid passage, circulation has supercritical carbon dioxide, in described second fluid passage, circulation has supercritical carbon dioxide, and the temperature of the supercritical carbon dioxide circulated in described second fluid passage is lower than the temperature of the supercritical carbon dioxide circulated in described first fluid passage.
Further, the tube wall of described first fluid passage and the tube wall of described second fluid passage are integrative-structure, and the inside of described first fluid passage is connected with the inside of described second fluid passage; The ratio of the internal diameter of described first fluid passage and the internal diameter of described second fluid passage is a, 0.5≤a≤1.
Further, described second fluid passage extends to the inside of described first fluid passage, and described second fluid passage is formed with gas outlet, and the opening direction of described gas outlet is consistent with the flow direction of supercritical carbon dioxide in described first fluid passage;
The ratio of the internal diameter of described second fluid passage and the internal diameter of described first fluid passage is a, 0<a<0.5.
Further, described second fluid passage is provided with flow control member.
For achieving the above object, a kind of supercritical carbon dioxide gas gas mixing temperature reducing system that the utility model provides, comprises supercritical carbon dioxide gas gas mixing Desuperheating device, heat-obtaining-heat-exchanger rig, efferent duct and the gas turbine described in above-mentioned any one; Wherein, the inlet end of described first fluid passage is connected with the outlet of described heat-obtaining-heat-exchanger rig;
The outlet side of described gas gas mixing arrangement is connected with described efferent duct; The outlet side of described efferent duct is connected with the inlet end of described gas turbine.
Further, also comprise supercritical carbon dioxide feedway, the inlet end of described second fluid passage is connected with described supercritical carbon dioxide feedway.
Further, the outlet side of described efferent duct is provided with temperature monitoring component.
Further, described second fluid passage is provided with temperature monitoring component and pressure monitoring component.
Further, described first fluid passage is provided with temperature monitoring component and pressure monitoring component.
Compared with prior art, the supercritical carbon dioxide gas gas mixing Desuperheating device that the utility model provides, by arranging the second fluid passage of the supercritical carbon dioxide having temperature relatively low that circulates, and supercritical carbon dioxide relatively high to supercritical carbon dioxide relatively low for the temperature in second fluid passage and the temperature in first fluid passage is fully mixed by gas gas mixing arrangement, mix with the low temperature supercritical carbon dioxide in second fluid passage by the high-temperature supercritical carbon dioxide in first fluid passage, reach the object of the temperature reducing high-temperature supercritical carbon dioxide, thus obtain temperature required supercritical carbon dioxide.
In further technical scheme, as the ratio a of the internal diameter of first fluid passage and the internal diameter of second fluid passage, during 0.5≤a≤1, the tube wall of the tube wall of first fluid passage and second fluid passage is set to integrative-structure, and both inside is connected.Thus ensure that the high-temperature supercritical carbon dioxide in first fluid passage and the low temperature supercritical carbon dioxide in second fluid passage fully mix.
In further technical scheme, as the ratio a of the internal diameter of first fluid passage and the internal diameter of second fluid passage, during 0<a<0.5, second fluid passage is extended to the inside of first fluid passage, and make the opening direction of the gas outlet on second fluid passage consistent with the flow direction of supercritical carbon dioxide in first fluid passage.Thus ensure the abundant mixing of two strands of supercritical carbon dioxides.
In further technical scheme, by arranging flow control member on second fluid passway, the flow of low temperature supercritical carbon dioxide in second fluid passage can be regulated in real time, be convenient to the variations in temperature according to high-temperature supercritical carbon dioxide in first fluid passage, regulate the flow of low temperature supercritical carbon dioxide in second fluid passage, and then obtain temperature required supercritical CO 2 medium.
Compared with prior art, the supercritical carbon dioxide gas gas mixing temperature reducing system that the utility model provides, the supply of heat-obtaining-heat-exchanger rig as the high-temperature supercritical carbon dioxide in first fluid passage is originated, by the temperature required supercritical CO 2 medium obtained after low temperature supercritical carbon dioxide and high-temperature supercritical carbon dioxide mix, thus provide enough power for gas turbine.
In further technical scheme, the inlet end of second fluid passage is connected with supercritical carbon dioxide feedway, the supercritical carbon dioxide of low temperature is provided to whole second fluid passage by supercritical carbon dioxide feedway, utilizes the supercritical carbon dioxide of this low temperature to reach the object reducing high-temperature supercritical carbon dioxide.
In further technical scheme, by the outlet side set temperature monitoring component at efferent duct, can the temperature of supercritical carbon dioxide that exports of Real-Time Monitoring efferent duct, be convenient to determine whether the temperature of its supercritical carbon dioxide exported meets the temperature of required supercritical carbon dioxide.
In further technical scheme, by the monitoring component of set temperature on second fluid passage and pressure monitoring component, be convenient to the temperature and pressure of the low temperature supercritical carbon dioxide in Real-Time Monitoring second fluid passage.
In further technical scheme, by the monitoring component of set temperature on first fluid passage and pressure monitoring component, be convenient to the temperature and pressure of the high-temperature supercritical carbon dioxide in Real-Time Monitoring first fluid passage.
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 supercritical carbon dioxide gas gas mixing Desuperheating device that Fig. 1, Fig. 2 provide for the utility model embodiment two.
The structural representation of the supercritical carbon dioxide gas gas mixing temperature reducing system that Fig. 3 provides for the utility model embodiment three.
Accompanying drawing illustrates:
1-first fluid passage, 2-second fluid passage, 3-gas gas mixing arrangement, 4-heat-obtaining-heat-exchanger rig, 5-efferent duct, 6-supercritical carbon dioxide feedway
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, temperature because of the supercritical carbon dioxide circulated in second fluid passage is less than the temperature of the supercritical carbon dioxide circulated in first fluid passage, the supercritical carbon dioxide circulated in first fluid passage can be defined as high-temperature supercritical carbon dioxide, the supercritical carbon dioxide circulated in second fluid passage is defined as low temperature supercritical carbon dioxide.
Embodiment one
A kind of supercritical carbon dioxide gas gas mixing Desuperheating device provided in the present embodiment, comprises first fluid passage, the gentle gas mixing arrangement of second fluid passage; Wherein, this first fluid passage is connected with this gas gas mixing arrangement, and this second fluid passage is connected with this first fluid passage in the upstream of this gas gas mixing arrangement;
In first fluid passage, circulation has supercritical carbon dioxide, and in second fluid passage, circulation has supercritical carbon dioxide, and the temperature of the supercritical carbon dioxide circulated in second fluid passage is lower than the temperature of the supercritical carbon dioxide circulated in first fluid passage.
Therefore, the supercritical carbon dioxide gas gas mixing Desuperheating device that the present embodiment provides, low temperature supercritical carbon dioxide is had by circulation in second fluid passage, and export again after the high-temperature supercritical carbon dioxide circulated in first fluid passage is mixed by gas gas mixing arrangement with the low temperature supercritical carbon dioxide circulated in second fluid passage, thus reach the object reducing high-temperature supercritical carbon dioxide temperature, and then obtain temperature required supercritical CO 2 medium.
Embodiment two
As shown in Figure 1, 2, a kind of supercritical carbon dioxide gas gas mixing Desuperheating device provided in the present embodiment, comprises first fluid passage 1, the gentle gas mixing arrangement 3 of second fluid passage 2; Wherein, this first fluid passage 1 is connected with this gas gas mixing arrangement 3, and this second fluid passage 2 is connected with this first fluid passage 1 in the upstream of this gas gas mixing arrangement 3; In first fluid passage 1, circulation has supercritical carbon dioxide, in second fluid passage 2, circulation has supercritical carbon dioxide, and the temperature of the supercritical carbon dioxide circulated in second fluid passage 2 is lower than the temperature of the supercritical carbon dioxide of circulation in first fluid passage 1.
As shown in Figure 1, the tube wall of first fluid passage 1 wherein and the tube wall of second fluid passage 2 can be integrative-structure, and the inside of this first fluid passage 1 is connected with the inside of this second fluid passage 2; And the ratio of the internal diameter of the internal diameter of this first fluid passage 1 and this second fluid passage 2 is a, 0.5≤a≤1.As the ratio a of the internal diameter of first fluid passage 1 and the internal diameter of second fluid passage 2, during 0.5≤a≤1, the internal diameter of the first fluid passage 1 of this kind of structure and the internal diameter of second fluid passage 2 can be regarded as close, now, the tube wall of the tube wall of first fluid passage 1 and second fluid passage 2 can be set to integrative-structure, thus ensure that the high-temperature supercritical carbon dioxide in first fluid passage 1 and the low temperature supercritical carbon dioxide in second fluid passage 2 fully mix.
In addition, as shown in Figure 2, second fluid passage 2 also may extend to the inside of first fluid passage 1, and this second fluid passage 2 is formed with gas outlet, and the opening direction of this gas outlet is consistent with the flow direction of supercritical carbon dioxide in first fluid passage 1; And the ratio of the internal diameter of the internal diameter of second fluid passage 2 and first fluid passage 1 is a, 0<a<0.5.As the ratio a of the internal diameter of second fluid passage 2 and the internal diameter of first fluid passage 1, during 0<a<0.5.Now, the internal diameter that can be regarded as first fluid passage 1 is comparatively greater than the internal diameter of second fluid passage 2, second fluid passage 2 is extended to the inside of first fluid passage 1, this second fluid passage 2 is formed with gas outlet, and the opening direction of this gas outlet is consistent with the flow direction of supercritical carbon dioxide in first fluid passage 1, thus ensure that the low temperature supercritical carbon dioxide in second fluid passage 2 fully mixes with the high-temperature supercritical carbon dioxide in first fluid passage 1, thus obtain temperature required supercritical carbon dioxide.
Moreover, this second fluid passage 2 also can arrange flow control member, by the flow of the low temperature supercritical carbon dioxide in the adjustable second fluid passage 2 of this flow control member, be convenient to regulate the flow of low temperature supercritical carbon dioxide in second fluid passage 2 according to the temperature of supercritical carbon dioxide after the temperature of the high-temperature supercritical carbon dioxide in first fluid passage 1 and required mixing.
Embodiment three
As shown in Figure 3, present embodiments provide a kind of supercritical carbon dioxide gas gas mixing temperature reducing system, comprise embodiment one or supercritical carbon dioxide gas gas mixing Desuperheating device, heat-obtaining-heat-exchanger rig 4, efferent duct 5 and the gas turbine described in embodiment two; Wherein, the inlet end of first fluid passage 1 is connected with the outlet of this heat-obtaining-heat-exchanger rig 4, and the outlet side of gas gas mixing arrangement 3 is connected with efferent duct 5, and the outlet side of efferent duct 5 is connected with the inlet end of this gas turbine.
Therefore, the present embodiment is by after low temperature supercritical carbon dioxide and the high-temperature supercritical carbon dioxide mix that obtains after heat-obtaining-heat-exchanger rig 4 heat-obtaining, reach the object of the temperature reducing the high-temperature supercritical carbon dioxide obtained after heat-obtaining-heat-exchanger rig 4 heat-obtaining, be convenient to obtain temperature required supercritical CO 2 medium.
In one of them embodiment of the present embodiment, heat-obtaining-heat-exchanger rig 4 wherein can be tower-type heat collector, is connected by the inlet end of the outlet of this tower-type heat collector with first fluid passage 1.Supercritical carbon dioxide absorbs heat in tower-type heat collector, temperature raises, the high-temperature supercritical carbon dioxide absorbing heat is delivered in first fluid passage 1, high-temperature supercritical carbon dioxide in first fluid passage 1 mixes with the low temperature supercritical carbon dioxide in second fluid passage 2, thus reaches the object reducing supercritical carbon dioxide temperature.
In one of them embodiment of the present embodiment, heat-obtaining-heat-exchanger rig 4 wherein also can be solid heat storage device, is connected by the inlet end of the outlet of solid heat storage device with first fluid passage 1.The heat that solid heat storage device stores is passed to supercritical carbon dioxide, obtain the supercritical carbon dioxide of higher temperature, the high-temperature supercritical carbon dioxide absorbing heat in solid heat storage device is delivered in first fluid passage 1, high-temperature supercritical carbon dioxide in first fluid passage 1 mixes with the low temperature supercritical carbon dioxide in second fluid passage 2, thus reaches the object reducing supercritical carbon dioxide temperature.
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 supercritical carbon dioxide, is connected by the inlet end of the outlet of heat exchange unit with first fluid passage 1.High-temperature fusion salt medium in fuse salt heat storage units is delivered in heat exchange unit, supercritical carbon dioxide in heat exchange unit and the heat exchange of high-temperature fusion salt, temperature raises, obtain high-temperature supercritical carbon dioxide, this high-temperature supercritical carbon dioxide is delivered in first fluid passage 1, high-temperature supercritical carbon dioxide in first fluid passage 1 mixes with the low temperature supercritical carbon dioxide in second fluid passage 2, thus reaches the object of the temperature reducing supercritical carbon dioxide.
The supercritical carbon dioxide gas gas mixing temperature reducing system of the present embodiment also comprises supercritical carbon dioxide feedway 6, wherein, the inlet end of second fluid passage 2 is connected with supercritical carbon dioxide feedway 6, utilize this supercritical carbon dioxide feedway 6 to second fluid passage 2 transporting low temperature supercritical carbon dioxide, utilize this low temperature supercritical carbon dioxide to reach the object reducing high-temperature supercritical carbon dioxide.Supercritical carbon dioxide feedway 6 wherein can be gas turbine, bleeding the inlet end of second fluid passage 2 and gas turbine to hold and be connected, the bleed lower supercritical carbon dioxide of temperature of end of gas turbine is utilized to be delivered in second fluid passage 2, utilize this low temperature supercritical carbon dioxide to implement to lower the temperature to from the high-temperature supercritical carbon dioxide after the utilization of heat-obtaining-heat-exchanger rig 4 heat-obtaining, thus regulate the quality of the supercritical carbon dioxide before entering gas turbine.
Component can be monitored by set temperature in the outlet side of efferent duct 5 wherein, can the temperature of supercritical carbon dioxide of outlet side of Real-Time Monitoring efferent duct 5 by this temperature monitoring component, judge according to this temperature value whether the temperature of the supercritical carbon dioxide of the outlet side of this efferent duct 5 meets temperature required value, and according to the flow of the low temperature supercritical carbon dioxide in the discrepancy adjustment second fluid passage 2 of this temperature value and required ideal temperature value.In addition, second fluid passage 2 also can monitor component and pressure monitoring component by set temperature, by the temperature and pressure of low temperature supercritical carbon dioxide in this temperature monitoring component and pressure monitoring component Real-Time Monitoring second fluid passage 2, provide reference for regulating the flow of the low temperature supercritical carbon dioxide in second fluid passage 2.Moreover, also on first fluid passage 1, component and pressure monitoring component can be monitored by set temperature, by the temperature and pressure of the high-temperature supercritical carbon dioxide in this temperature monitoring component and pressure monitoring component Real-Time Monitoring first fluid passage 1, provide reference for regulating the flow of the low temperature supercritical carbon dioxide in second fluid passage 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. a supercritical carbon dioxide gas gas mixing Desuperheating device, is characterized in that, comprises first fluid passage, the gentle gas mixing arrangement of second fluid passage; Wherein,
Described first fluid passage is connected with described gas gas mixing arrangement, and described second fluid passage is connected with described first fluid passage in the upstream of described gas gas mixing arrangement;
In described first fluid passage, circulation has supercritical carbon dioxide, in described second fluid passage, circulation has supercritical carbon dioxide, and the temperature of the supercritical carbon dioxide circulated in described second fluid passage is lower than the temperature of the supercritical carbon dioxide circulated in described first fluid passage.
2. supercritical carbon dioxide gas gas mixing Desuperheating device according to claim 1, it is characterized in that, the tube wall of described first fluid passage and the tube wall of described second fluid passage are integrative-structure, and the inside of described first fluid passage is connected with the inside of described second fluid passage;
The ratio of the internal diameter of described first fluid passage and the internal diameter of described second fluid passage is a, 0.5≤a≤1.
3. supercritical carbon dioxide gas gas mixing Desuperheating device according to claim 1, it is characterized in that, described second fluid passage extends to the inside of described first fluid passage, described second fluid passage is formed with gas outlet, and the opening direction of described gas outlet is consistent with the flow direction of supercritical carbon dioxide in described first fluid passage;
The ratio of the internal diameter of described second fluid passage and the internal diameter of described first fluid passage is a, 0<a<0.5.
4., according to the supercritical carbon dioxide gas gas mixing Desuperheating device of claims 1 to 3 according to any one of it, it is characterized in that, described second fluid passage is provided with flow control member.
5. a supercritical carbon dioxide gas gas mixing temperature reducing system, is characterized in that, comprises supercritical carbon dioxide gas gas mixing Desuperheating device, heat-obtaining-heat-exchanger rig, efferent duct and gas turbine according to any one of the claims 1 to 4; Wherein,
The inlet end of described first fluid passage is connected with the outlet of described heat-obtaining-heat-exchanger rig;
The outlet side of described gas gas mixing arrangement is connected with described efferent duct;
The outlet side of described efferent duct is connected with the inlet end of described gas turbine.
6. supercritical carbon dioxide gas gas mixing temperature reducing system according to claim 5, it is characterized in that, also comprise supercritical carbon dioxide feedway, the inlet end of described second fluid passage is connected with described supercritical carbon dioxide feedway.
7. the supercritical carbon dioxide gas gas mixing temperature reducing system according to claim 5 or 6, is characterized in that, the outlet side of described efferent duct is provided with temperature monitoring component.
8. supercritical carbon dioxide gas gas mixing temperature reducing system according to claim 7, is characterized in that, described second fluid passage is provided with temperature monitoring component and pressure monitoring component.
9. supercritical carbon dioxide gas gas mixing temperature reducing system according to claim 8, is characterized in that, described first fluid passage is provided with temperature monitoring component and pressure monitoring component.
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| CN201520843562.2U CN205175171U (en) | 2015-10-28 | 2015-10-28 | Mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof |
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| CN201520843562.2U CN205175171U (en) | 2015-10-28 | 2015-10-28 | Mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof |
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| CN205175171U true CN205175171U (en) | 2016-04-20 |
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| CN201520843562.2U Expired - Fee Related CN205175171U (en) | 2015-10-28 | 2015-10-28 | Mixed reducing temperature equipment of super supercritical carbon dioxide gas and system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643208A (en) * | 2015-10-28 | 2017-05-10 | 北京兆阳光热技术有限公司 | Supercritical carbon dioxide gas-gas mixing pressure-reducing device, system and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643208A (en) * | 2015-10-28 | 2017-05-10 | 北京兆阳光热技术有限公司 | Supercritical carbon dioxide gas-gas mixing pressure-reducing device, system and method thereof |
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Granted publication date: 20160420 Termination date: 20201028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |