CN115234525A - Multi-gas-source steam supercharging device - Google Patents

Multi-gas-source steam supercharging device Download PDF

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Publication number
CN115234525A
CN115234525A CN202210879081.1A CN202210879081A CN115234525A CN 115234525 A CN115234525 A CN 115234525A CN 202210879081 A CN202210879081 A CN 202210879081A CN 115234525 A CN115234525 A CN 115234525A
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China
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section
pressure steam
pipe
low
sectional area
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CN202210879081.1A
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CN115234525B (en
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田仲伟
杨剑
李晴
郑建涛
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Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
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Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention discloses a multi-gas-source steam supercharging device which comprises a low-pressure steam pipe and a plurality of supercharging pipes, wherein the low-pressure steam pipe can be filled with low-pressure steam, a plurality of through holes are formed in the peripheral wall of the low-pressure steam pipe at intervals along the length direction of the low-pressure steam pipe, the plurality of supercharging pipes correspond to the plurality of through holes, one ends of the supercharging pipes extend into the low-pressure steam pipe through the corresponding through holes, the other ends of the supercharging pipes are communicated with a high-pressure steam source, the high-pressure steam sources corresponding to the plurality of supercharging pipes are different, two adjacent supercharging pipes are communicated through one-way circulation pipes, and the one-way circulation pipes allow the high-pressure steam in the higher-level supercharging pipes to flow to the lower-level supercharging pipes in the gas transmission direction of the low-pressure steam pipe. The multi-gas source steam supercharging device can introduce redundant high-pressure steam in the upper stage supercharging pipe into the lower stage supercharging pipe so as to improve the steam pressure of the lower stage supercharging pipe, avoid the waste of the high-pressure steam and improve the supercharging effect.

Description

Multi-gas-source steam supercharging device
Technical Field
The invention relates to the technical field of pressure matchers, in particular to a multi-gas-source steam supercharging device.
Background
The steam hot press is also called a pressure matcher, is a high-efficient steam utilization device, and is widely applied to various electric power and industrial fields.
The conventional steam hot press in the related art has its own disadvantages that the low-pressure steam pressure cannot be greatly increased by one-time pressurization, and the input pressure of the high-pressure steam must be increased in order to increase the output pressure, so that when the pressure difference between the high-pressure steam and the low-pressure steam is too large, the manufacturing cost of the hot press is increased, and the working efficiency is also influenced.
In order to solve the above problems, a steam heat press capable of multi-stage pressurization is proposed in the related art, but the steam heat press in the related art has an unreasonable structure, and has the problems of steam waste and poor pressurization effect.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides a multi-gas-source steam supercharging device, which can introduce redundant high-pressure steam in a higher-level supercharging pipe into a lower-level supercharging pipe so as to improve the steam pressure of the lower-level supercharging pipe, avoid waste of the high-pressure steam and improve the supercharging effect.
The multi-gas source steam supercharging device of the embodiment of the invention comprises: the low-pressure steam pipe can be filled with low-pressure steam, and a plurality of through holes which are arranged at intervals along the length direction of the low-pressure steam pipe are arranged on the peripheral wall of the low-pressure steam pipe; the plurality of pressure increasing pipes correspond to the plurality of through holes, one end of each pressure increasing pipe extends into the corresponding low-pressure steam pipe through the corresponding through hole, the other end of each pressure increasing pipe is communicated with a high-pressure steam source, the plurality of pressure increasing pipes correspond to different high-pressure steam sources, the adjacent two pressure increasing pipes are communicated through one-way circulation pipes, and the one-way circulation pipes allow high-pressure steam in the higher-level pressure increasing pipes to flow to the lower-level pressure increasing pipes in the gas transmission direction of the low-pressure steam pipe.
According to the multi-gas-source steam supercharging device provided by the embodiment of the invention, the low-pressure steam pipe is externally connected with the plurality of supercharging pipes which are arranged at intervals along the length direction of the low-pressure steam pipe, the plurality of supercharging pipes are correspondingly communicated with different high-pressure steam sources, the one-way circulation pipe is communicated between two adjacent supercharging pipes and allows high-pressure steam in a higher-level supercharging pipe to flow to a lower-level supercharging pipe, so that the plurality of supercharging pipes can introduce high-pressure steam into the low-pressure steam pipe to realize multi-level supercharging, multi-gradient supercharging of the low-pressure steam is realized, the supercharging effect is ensured, and redundant high-pressure steam in the higher-level supercharging pipe can be introduced into the lower-level supercharging pipe through the one-way circulation pipe to increase the steam pressure of the lower-level supercharging pipe, so that the supercharging effect is improved and the waste of the high-pressure steam can be avoided.
In some embodiments, the low pressure steam pipe includes a plurality of pressurizing sections, the pressurizing sections include an outer air chamber and a diffusion chamber, a front end of the diffusion chamber communicates with the outer air chamber and a cross-sectional area of a front end of the diffusion chamber is smaller than a cross-sectional area of the outer air chamber in a gas delivery direction of the low pressure steam pipe, and the diffusion chamber of a higher stage pressurizing section among the adjacent pressurizing sections communicates with the outer air chamber of a lower stage pressurizing section.
In some embodiments, the diffusion chamber includes a connection pipe section and a diffusion pipe section, the connection pipe section is connected to the outer gas chamber at a front end thereof, the diffusion pipe section is connected to a rear end of the connection pipe section, and a sectional area of the diffusion pipe section is gradually increased in a direction away from the connection pipe section.
In some embodiments, the outer wall of the outer plenum is provided with the through-hole, and a portion of the pressure inlet pipe is fitted into the outer plenum through the through-hole and communicates with the diffusion chamber.
In some embodiments, the plenum includes an inlet pipe section in communication with the source of high pressure steam and an injection pipe section in communication with the low pressure steam pipe, the injection pipe section having a cross-sectional area less than a cross-sectional area of the inlet pipe.
In some embodiments, the gas inlet duct section has a tapered section towards an end of the injection duct section, the cross-sectional area of the tapered section decreasing in a direction towards the injection duct section.
In some embodiments, a first throttling section is formed between the outer peripheral wall of the air inlet pipe section and the inner peripheral wall of the low-pressure steam pipe, a second throttling section is formed between the outer peripheral wall of the injection pipe section and the inner peripheral wall of the low-pressure steam pipe, the second throttling section is communicated with the first throttling section, and the cross-sectional area of the second throttling section is smaller than that of the first throttling section.
In some embodiments, a third restriction section is formed between an outer peripheral wall of the conical section and an inner peripheral wall of the low pressure steam pipe, the third restriction section is located between the first restriction section and the second restriction section, and a cross-sectional area of the third restriction section is smaller than a cross-sectional area of the first restriction section, and a cross-sectional area of the third restriction section is larger than a cross-sectional area of the second restriction section.
In some embodiments, the end of the injection pipe section remote from the air inlet pipe section is provided with an open section, and the cross-sectional area of the open section gradually increases along the direction remote from the air inlet pipe section.
Drawings
Fig. 1 is a schematic structural diagram of a multi-gas source steam booster device according to an embodiment of the invention.
Reference numerals:
the low-pressure steam pipe 1, the outer air chamber 11, the through hole 111, the diffusion chamber 12, the connecting pipe section 121, the diffusion pipe section 122, the pressure increasing pipe 2, the air inlet pipe section 21, the conical section 22, the injection pipe section 23 and the one-way circulation pipe 3.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
As shown in fig. 1, the multiple gas source steam pressurizing apparatus according to the embodiment of the present invention includes a low pressure steam pipe 1 and a plurality of pressurizing pipes 2.
Specifically, as shown in fig. 1, the low pressure steam pipe 1 can be fed with low pressure steam, a plurality of through holes 111 are formed in the circumferential wall of the low pressure steam pipe 1 at intervals along the length direction of the low pressure steam pipe, a plurality of pressure increasing pipes 2 correspond to the plurality of through holes 111, one ends of the pressure increasing pipes 2 extend into the low pressure steam pipe 1 through the corresponding through holes 111, and the other ends of the pressure increasing pipes 2 are communicated with a high pressure steam source.
It can be understood that the booster pipes 2 introduce high-pressure steam into the low-pressure steam pipe 1 to be mixed with the low-pressure steam therein for boosting, and the plurality of booster pipes 2 can realize multi-stage boosting with good boosting effect.
Further, in an actual use condition, high-pressure steam sources connected to the plurality of pressure increase pipes 2 are different, two adjacent pressure increase pipes 2 are communicated through the one-way circulation pipe 3, and the one-way circulation pipe 3 allows high-pressure steam in the pressure increase pipe 2 of a higher stage to flow to the pressure increase pipe 2 of a lower stage in the gas transmission direction of the low-pressure steam pipe 1. It should be noted that the upper stage booster duct 2 and the lower stage booster duct 2 are not specific to the specific booster duct 2, but are defined in the boosting order, that is, taking two adjacent booster ducts 2 as an example, in the flow direction of the low pressure steam, the booster duct 2 relatively upstream is the upper stage booster duct 2, and the booster duct 2 relatively downstream is the lower stage booster duct 2.
It can be understood that, because the high-pressure steam sources communicated by the plurality of booster pipes 2 are different, the steam pressures in different booster pipes are also different, and the unidirectional circulation pipe 3 is communicated between the adjacent booster pipes 2, when redundant high-pressure steam exists in the upper stage booster pipe 2, the high-pressure steam can be introduced into the lower stage booster pipe 2 through the unidirectional circulation pipe 3, so that the steam pressure of the lower stage booster pipe 2 is improved, the boosting effect is improved, and the waste of the high-pressure steam can be avoided. Preferably, the cross-sectional area of the flow passage of the one-way flow pipe 3 along the gas transmission direction is gradually reduced, so that the flow velocity of the gas in the one-way flow pipe 3 is increased, and the impact force of the gas on the gas in the next stage of pressure increasing pipe 2 is enhanced.
According to the multi-gas-source steam supercharging device provided by the embodiment of the invention, the low-pressure steam pipe is externally connected with the plurality of supercharging pipes which are arranged at intervals along the length direction of the low-pressure steam pipe, the plurality of supercharging pipes are correspondingly communicated with different high-pressure steam sources, the one-way circulation pipe is communicated between two adjacent supercharging pipes and allows high-pressure steam in a higher-level supercharging pipe to flow to a lower-level supercharging pipe, so that the plurality of supercharging pipes can introduce high-pressure steam into the low-pressure steam pipe to realize multi-level supercharging, multi-gradient supercharging of the low-pressure steam is realized, the supercharging effect is ensured, and redundant high-pressure steam in the higher-level supercharging pipe can be introduced into the lower-level supercharging pipe through the one-way circulation pipe to increase the steam pressure of the lower-level supercharging pipe, so that the supercharging effect is improved and the waste of the high-pressure steam can be avoided.
Further, as shown in fig. 1, the low pressure steam pipe 1 includes a plurality of pressurizing stages including an outer air chamber 11 and a diffusion chamber 12, a front end of the diffusion chamber 12 communicates with the outer air chamber 11 and a cross-sectional area of a front end of the diffusion chamber 12 is smaller than that of the outer air chamber 11 in a gas transmission direction of the low pressure steam pipe 1, and the diffusion chamber 12 of an upper stage pressurizing stage among adjacent pressurizing stages communicates with the outer air chamber 11 of a lower stage pressurizing stage. Therefore, the outer air chamber 11 and the diffusion chamber 12 can be used as a conveying channel of low-pressure steam, and can be used for mixing high-pressure steam introduced from the pressurization pipe, and the sectional area of the front end of the diffusion chamber 12 is smaller than that of the outer air chamber 11, so that the joint of the diffusion chamber 12 and the outer air chamber 11 can be throttled and pressurized, the steam flow rate and the impact force are improved, and the low-pressure steam and the high-pressure steam can be conveniently and efficiently mixed.
Further, as shown in fig. 1, the diffusion chamber 12 includes a connection pipe segment 121 and a diffusion pipe segment 122, a front end of the connection pipe segment 121 is connected to the outer air chamber 11, the diffusion pipe segment 122 is connected to a rear end of the connection pipe segment 121, and a sectional area of the diffusion pipe segment 122 is gradually increased in a direction away from the connection pipe segment. From this, the diffusion tube section 122 of crescent is convenient for slow down the air velocity, makes high-pressure steam and low-pressure steam can intensive mixing before flowing into next pressure boost section, improves the pressure boost effect.
Further, as shown in fig. 1, a through hole 111 is provided in the outer wall of the outer chamber 11, and one end of the pressure-increasing duct 2 extends into the outer chamber 11 through the corresponding through hole 111 and communicates with the diffusion chamber 12. It will be understood that the high pressure steam introduced through the pressure increasing pipe 2 is injected to form a negative pressure which produces a suction effect on the low pressure steam in the outer chamber 11, resulting in an accelerated influx of the low pressure steam, which is then mixed with the low pressure steam in the diffusion chamber 12, increasing the pressure of the low pressure steam.
Further, as shown in fig. 1, the booster duct 2 includes an intake duct section 21 and an injection duct section 23, the intake duct section 21 communicates with the high-pressure steam source, the injection duct section 23 communicates with the low-pressure steam pipe 1, and a sectional area of the injection duct section 23 is smaller than a sectional area of the intake duct section 21. Therefore, when the high-pressure steam flows into the injection pipe section 23 from the air inlet pipe section 21, a throttling pressurization process exists, the high-pressure steam can be sprayed out from the injection pipe section 23 at a high speed, and the formed negative pressure can generate stronger suction force on the low-pressure steam, so that the flowing and mixing of the steam in the low-pressure steam pipe 1 are facilitated.
Preferably, as shown in fig. 1, the end of the air inlet pipe section 21 facing the injection pipe section 23 has a tapered section 22, and the cross-sectional area of the tapered section 22 is gradually reduced in a direction approaching the injection pipe section 23, so that the tapered section can guide the gas in the air inlet pipe section 21 to flow towards the inlet of the injection pipe section 23, thereby improving the smoothness of steam flowing between the air inlet pipe section 21 and the injection pipe section 23 and reducing the impact of the gas flow on the pipe wall.
Further, as shown in fig. 1, a first throttling section is formed between the outer circumferential wall of the intake pipe section 21 and the inner circumferential wall of the low pressure steam pipe 1, a second throttling section is formed between the outer circumferential wall of the injection pipe section 23 and the inner circumferential wall of the low pressure steam pipe 1, a third throttling section is formed between the outer circumferential wall of the tapered section 22 and the inner circumferential wall of the low pressure steam pipe 1, the third throttling section is located between the first throttling section and the second throttling section, and the sectional area of the third throttling section is smaller than that of the first throttling section, and the sectional area of the third throttling section is larger than that of the second throttling section.
It can be understood that, when low pressure steam constantly gushes out under the negative pressure effect that the high pressure steam that spouts 23 sections of jetting pipe formed, low pressure steam flows through first throttle section in proper order, third throttle section and second throttle section, and the sectional area of runner constantly reduces, and gaseous velocity of flow constantly accelerates, and high-speed low pressure steam more is favorable to promoting with high pressure steam's mixing efficiency, further improves the utilization ratio to high pressure steam.
Further, as shown in fig. 1, the end of the injection pipe section 23 away from the air inlet pipe section 21 is provided with an open section, and the cross-sectional area of the open section gradually increases along the direction away from the air inlet pipe section 21, so that the high-speed high-pressure steam injected by the injection pipe section 23 has a larger contact area with the low-pressure steam through diffusion of the open section, and the mixing efficiency is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. A multiple-source steam booster device, comprising:
the low-pressure steam pipe can be filled with low-pressure steam, and a plurality of through holes which are arranged at intervals along the length direction of the low-pressure steam pipe are arranged on the peripheral wall of the low-pressure steam pipe;
the plurality of pressure increasing pipes correspond to the plurality of through holes, one end of each pressure increasing pipe extends into the low-pressure steam pipe through the corresponding through hole, the other end of each pressure increasing pipe is communicated with the high-pressure steam source, the plurality of pressure increasing pipes correspond to different high-pressure steam sources, two adjacent pressure increasing pipes are communicated through one-way circulation pipes, and the one-way circulation pipes allow high-pressure steam in the higher-level pressure increasing pipes to flow to the lower-level pressure increasing pipes in the gas transmission direction of the low-pressure steam pipe.
2. The multi-source steam pressurizing apparatus according to claim 1, wherein the low-pressure steam pipe includes a plurality of pressurizing sections, the pressurizing sections include an outer air chamber and a diffusion chamber, a front end of the diffusion chamber communicates with the outer air chamber and a cross-sectional area of a front end of the diffusion chamber is smaller than a cross-sectional area of the outer air chamber in a gas delivery direction of the low-pressure steam pipe, and the diffusion chamber of a higher-stage pressurizing section among the adjacent pressurizing sections communicates with the outer air chamber of a lower-stage pressurizing section.
3. The multi-source steam booster of claim 2 wherein the diffuser section includes a connecting section and a diffuser section, the connecting section being connected at a front end thereof to the outer plenum, the diffuser section being connected at a rear end thereof to the connecting section, and the diffuser section having a cross-sectional area that increases in a direction away from the connecting section.
4. The multi-source steam booster of claim 3, wherein the outer plenum has the through-hole in an outer wall thereof, and a portion of the booster duct is fitted in the outer plenum through the through-hole and communicates with the diffuser chamber.
5. The multi-source steam booster of any one of claims 1-4, wherein the booster duct includes an intake duct section in communication with the high pressure steam source and an injection duct section in communication with the low pressure steam pipe, the injection duct section having a cross-sectional area smaller than a cross-sectional area of the intake duct.
6. The multiple-gas-source steam booster of claim 5, wherein the end of the gas inlet pipe section facing the injection pipe section has a tapered section, and the cross-sectional area of the tapered section gradually decreases in a direction approaching the injection pipe section.
7. The multi-source steam booster of claim 6, wherein a first throttling section is formed between an outer peripheral wall of the intake pipe section and an inner peripheral wall of the low pressure steam pipe, a second throttling section is formed between an outer peripheral wall of the injection pipe section and the inner peripheral wall of the low pressure steam pipe, the second throttling section is communicated with the first throttling section, and a cross-sectional area of the second throttling section is smaller than a cross-sectional area of the first throttling section.
8. The multi-source steam booster of claim 7, wherein a third restriction section is formed between an outer peripheral wall of the conical section and an inner peripheral wall of the low pressure steam pipe, the third restriction section being located between the first restriction section and the second restriction section, and a cross-sectional area of the third restriction section being smaller than a cross-sectional area of the first restriction section and a cross-sectional area of the third restriction section being larger than a cross-sectional area of the second restriction section.
9. The multi-source steam booster of claim 5, wherein the end of the injection pipe section remote from the inlet pipe section is provided with an open section, and the cross-sectional area of the open section increases gradually in a direction away from the inlet pipe section.
CN202210879081.1A 2022-07-25 2022-07-25 Multi-air source steam supercharging device Active CN115234525B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1214758A (en) * 1968-08-28 1970-12-02 Sulzer Ag Supercharged steam generators
WO2017011151A1 (en) * 2015-07-15 2017-01-19 Powerphase Llc Gas turbine efficiency and power augmentation improvements utilizing heated compressed air and steam injection
CN111044099A (en) * 2019-12-27 2020-04-21 科源动力科技有限公司 Multipurpose ORC pure low temperature waste heat power generation equipment detection test bench
CN112483511A (en) * 2020-12-08 2021-03-12 四川凌峰航空液压机械有限公司 Variable pressure ratio hydraulic pressure boost test system
CN113958486A (en) * 2021-08-27 2022-01-21 浙江镕达永能压缩机有限公司 Steam compressor and steam ejector combined pressurization system and method thereof
CN218118156U (en) * 2022-07-25 2022-12-23 中国华能集团清洁能源技术研究院有限公司 Multi-gas-source steam supercharging device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1214758A (en) * 1968-08-28 1970-12-02 Sulzer Ag Supercharged steam generators
WO2017011151A1 (en) * 2015-07-15 2017-01-19 Powerphase Llc Gas turbine efficiency and power augmentation improvements utilizing heated compressed air and steam injection
CN111044099A (en) * 2019-12-27 2020-04-21 科源动力科技有限公司 Multipurpose ORC pure low temperature waste heat power generation equipment detection test bench
CN112483511A (en) * 2020-12-08 2021-03-12 四川凌峰航空液压机械有限公司 Variable pressure ratio hydraulic pressure boost test system
CN113958486A (en) * 2021-08-27 2022-01-21 浙江镕达永能压缩机有限公司 Steam compressor and steam ejector combined pressurization system and method thereof
CN218118156U (en) * 2022-07-25 2022-12-23 中国华能集团清洁能源技术研究院有限公司 Multi-gas-source steam supercharging device

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