EP2978940A1 - Nozzle module for an energy converter - Google Patents
Nozzle module for an energy converterInfo
- Publication number
- EP2978940A1 EP2978940A1 EP15723699.3A EP15723699A EP2978940A1 EP 2978940 A1 EP2978940 A1 EP 2978940A1 EP 15723699 A EP15723699 A EP 15723699A EP 2978940 A1 EP2978940 A1 EP 2978940A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- mixing chamber
- fluid
- nozzle module
- suction fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 132
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 230000003204 osmotic effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims 1
- 239000003380 propellant Substances 0.000 abstract 3
- 230000008901 benefit Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/463—Arrangements of nozzles with provisions for mixing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet 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
- F04F5/24—Jet 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 liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
Definitions
- the present invention relates to a nozzle module for a
- Energy converter in particular for a power plant, comprising a first nozzle for introducing a driving fluid into a mixing chamber and a
- Inlet opening for introducing a suction fluid into the mixing chamber, wherein the mixing chamber has a geometry for flow enhancement
- the goal of such separations and mergers is usually to generate a fluid jet having a high temperature, a high temperature
- This high-energy fluid jet is used to drive a turbine, which is connected to a generator for generating electrical energy.
- the separation and merging of fluids requires energy, for example, for pumping the fluids, which is at the expense of the efficiency of the power plant.
- the invention proposes a nozzle module of the aforementioned type, wherein a vapor pressure of the driving fluid before the first nozzle is smaller than a vapor pressure of the suction fluid upstream of the introduction port and a gas pressure in the mixing chamber in an area downstream of the first nozzle is smaller than a gas pressure in the mixing chamber in an area downstream of the introduction port. Because of the higher
- Vapor pressure of the suction fluid vaporizes this easier than that
- Driving fluid and may be present in a gas after passing through the inlet opening in the area after the inlet opening.
- Suction fluid energetically enriched This energy input into the driving fluid can be based in particular on two principles.
- the atoms or molecules of the suction fluid have an amount of internal energy which is non-directional and, when combined with the driving fluid, leads to an increase in the internal energy of the driving fluid, resulting, for example, in an increase in the temperature of the driving fluid.
- the atoms or molecules of the suction fluid have an amount of kinetic energy which is directed and in which
- the driving fluid is energetically enriched, which the efficiency of a power plant, in which uses the nozzle module according to the invention can be increased.
- the nozzle module according to the invention represents a simple structured device which is suitable for replacing complex and thus expensive devices and technologies according to the prior art.
- a mass entry into the driving fluid also takes place.
- the nozzle module according to the invention is used in a power plant.
- the power plant comprises at least one nozzle module according to the invention.
- Driving fluid and the suction fluid is formed on a turbine.
- the collecting nozzle By means of the collecting nozzle, the driving fluid and the suction fluid are rectified in an energy-enriched fluid jet passed approximately lossless on the turbine, which is optionally in operative connection with a dynamoelectric machine, such as a generator.
- the inlet opening is designed as a second nozzle, wherein the second nozzle is designed to evaporate the suction fluid when it is introduced into the mixing chamber.
- This change in the state of aggregation leads to the suction liquid which is liquid before the flow through the second nozzle and to the gaseous suction fluid after it has flowed through the second nozzle
- the mixing chamber the suction fluid is formed condensing when merging with the driving fluid.
- Driving fluid results.
- the driving underlying this process Force is the vapor pressure difference between the drive fluid and the suction fluid. After the suction fluid has condensed on the driving fluid, the suction fluid has undergone changes in the states of matter in liquid-gaseous and gaseous-liquid form. It proves to be particularly advantageous according to the invention that the nozzle module has a reservoir connected to the inlet opening and upstream of the inlet opening for storing the suction fluid. The reservoir provides a continuous stream of
- the reservoir may be closed to the environment.
- the mixing chamber is arranged outside the reservoir.
- the mixing chamber is disposed within the reservoir.
- the arrangement of the mixing chamber within the reservoir can be designed such that an exchange of
- gap opening is connected to the reservoir, wherein the inlet opening is formed by the gap opening.
- the gap opening is formed as an annular gap. This one in one
- annular gap provides a flow pattern that is more laminar than a flow pattern of an inlet opening
- the gap opening in particular the annular gap, on the one hand by a
- the position of the plug in the mixing chamber defines the dimension of the annular gap and thus the characteristic of the inlet opening.
- the plug can serve as a separation element that separates the mixing chamber and the reservoir to the annular gap from each other.
- the restoring element as a spring, preferably coil spring and in particular tension spring or compression spring formed, which is attached on the one hand to the plug and on the other hand to the reservoir, and the inner wall of the mixing chamber relative to the longitudinal axis of the mixing chamber conical, so are a width of Annular gap and thus the characteristic of the inlet opening next to a characteristic of the spring determined by the pressure conditions in the mixing chamber and the reservoir.
- the nozzle module according to the invention operates self-closing or self-opening.
- a distance of the first nozzle to a discharge opening of the mixing chamber is smaller than a distance of the inlet opening to the discharge opening of the mixing chamber.
- the discharge opening of a nozzle or chamber in the context of the invention is a constriction of the nozzle or chamber through which a fluid leaves the nozzle or chamber.
- nozzles according to the invention are preferably formed convergent, wherein the catching nozzle beyond the discharge opening may have a divergently formed part, also called a diffuser.
- the area lies after the first nozzle, towards which the suction fluid from the area after the
- Inlet opening is accelerated, approximately in the direction of movement of the suction fluid, so that the directions of pulses of the driving fluid and the suction fluid are oriented substantially the same, resulting in a magnitude addition of the pulses and thus to an increase in the flow velocity of the combined fluid in the direction
- the driving fluid is water and the suction fluid is water and wherein a temperature of the driving fluid before the first nozzle is lower than a temperature of the suction fluid upstream of the inlet opening.
- Water as a driving fluid or suction fluid is available in many places in sufficient quantities and uncritical in handling.
- the vapor pressure difference between the driving fluid and the suction fluid required according to the invention can most easily be provided by means of water, which is as cold as possible for use as driving fluid and as warm as possible for use as suction fluid.
- the greater the temperature difference between the drive fluid and the suction fluid before it is introduced into the nozzle module the greater the energy input into the drive fluid and the more pronounced the increase in the efficiency of the power plant.
- an osmotic concentration of the driving fluid is greater than an osmotic concentration of the suction fluid.
- the osmotic concentration of a fluid is also called osmolarity of the fluid. she describes the molar amount of osmotically active particles per unit volume of the fluid and is thus a measure of the osmotic pressure of the fluid.
- a difference between the osmotic concentration of the driving fluid and the osmotic concentration of the suction fluid also has a positive effect on the energy input into the driving fluid and thus on the
- the nozzle module according to the invention is for use in one
- Power station formed, the power plant for example, a
- Heat energy from wastewater can be used.
- FIG. 1 is a schematic sectional view of a nozzle module according to a first embodiment of the invention
- FIG. 2 is a schematic sectional view of a nozzle module according to a second embodiment of the invention.
- Fig. 1 shows a schematic sectional view of a nozzle module 1 according to a first embodiment of the invention.
- the nozzle module 1 is intended for use in a power plant and comprises a first nozzle 2 for introducing a driving fluid into a mixing chamber 3 and an inlet opening 4 designed as a second nozzle for introducing a
- the driving fluid is preferably cold Water.
- the suction fluid is preferably warm water.
- the mixing chamber 3 is designed as a catching nozzle 5 for flow-enhancing merging and jointly discharging the driving fluid and the suction fluid onto a turbine.
- the catching nozzle 5 has a divergent part which forms a diffuser and serves to discharge the driving fluid and the suction fluid to the turbine. It is essential to the invention that a vapor pressure of the driving fluid upstream of the first nozzle 2 is smaller than a vapor pressure of the suction fluid upstream of the second nozzle and a gas pressure in the mixing chamber 3 in a region 6 downstream of the first nozzle 2 is less than a gas pressure in the mixing chamber 3 in FIG a region 7 after the second nozzle.
- the suction fluid evaporates when introduced into the
- the nozzle module 1 has a reservoir 8 connected to the inlet opening 4 designed as a second nozzle and upstream of the inlet opening 4 for storing the suction fluid.
- the mixing chamber 3 is outside the
- the mixing chamber 3 is formed by means of an adjustable gap opening 9 in the form of an annular gap with the
- the annular gap is bounded on the one hand by an inner wall 10 of the mixing chamber 3 and on the other hand by a peripheral surface 11 of a stopper 13 displaceably mounted relative to the mixing chamber 3 against an elastic return element 12.
- Return element 12 is formed as a helical spring, which is loadable to train.
- a distance of the first nozzle 2 to a discharge opening 14 of the mixing chamber 3 designed as a catchment nozzle 5 is smaller than a
- the vaporized suction fluid impinges on its acceleration path in the direction of the catching nozzle 5 to the driving fluid on which it condenses and into which it introduces its energy.
- the catching nozzle 5 respectively
- Mixing chamber 3 is radially symmetrical to a longitudinal axis extending in the flow direction of the driving fluid and has a conical region at the level of the plug 13.
- a width of the annular gap is characterized by an axial position to the longitudinal axis of the
- the catching nozzle 5 has a smaller radius in its convergent part in the region 6 after the first nozzle 2 than in the region 7 after the second nozzle.
- Driving fluid in the first nozzle 2 is cylindrical.
- a pipe section arranged in the reservoir 8 for introducing the driving fluid into the first nozzle 2 has a bellows in order to provide an axial displaceability of the plug 13 that is axial to the longitudinal axis.
- FIG. 2 shows a schematic sectional view of a nozzle module 1 according to a second embodiment of the invention.
- the nozzle module 1 is constructed similarly to the nozzle module 1 shown in FIG. 1 and also has an inlet opening 4 communicating with the inlet opening 4 designed as a second nozzle and designed as a second nozzle
- Introductory opening 4 upstream reservoir 8 for storing the
- the mixing chamber 3 is designed as a catching nozzle 5 for jointly discharging the driving fluid and the suction fluid onto a turbine 17.
- the reservoir 8 is opposite the environment
- Mixing chamber 3 are usually designed so that an exchange of Heat energy between the reservoir 8 and the mixing chamber 3 can take place.
- the reservoir 8 comprises a pressure exchanger 15 having a supply line and a
- Vacuum pump 16 having derivative for supplying
- Vacuum pump 16 is connected to the pressure exchanger 15 in operative connection.
- the vacuum pump 16 generates a negative pressure in the reservoir 8, which sucks the suction fluid through the supply line into the reservoir 8.
- the temperature of the suction fluid is measured by means of a temperature sensor 18 attached to the reservoir 8, the measured temperature being taken into account in a control of the vacuum pump 16.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014107038.0A DE102014107038A1 (en) | 2014-05-19 | 2014-05-19 | Nozzle module for an energy converter |
PCT/EP2015/060971 WO2015177130A1 (en) | 2014-05-19 | 2015-05-19 | Nozzle module for an energy converter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2978940A1 true EP2978940A1 (en) | 2016-02-03 |
EP2978940B1 EP2978940B1 (en) | 2018-08-29 |
Family
ID=53191670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15723699.3A Active EP2978940B1 (en) | 2014-05-19 | 2015-05-19 | Nozzle module for an energy converter |
Country Status (5)
Country | Link |
---|---|
US (1) | US10711806B2 (en) |
EP (1) | EP2978940B1 (en) |
CA (1) | CA2949406C (en) |
DE (1) | DE102014107038A1 (en) |
WO (1) | WO2015177130A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114382731A (en) * | 2021-12-30 | 2022-04-22 | 杭州国能汽轮工程有限公司 | Skid-mounted type condensate lifting device |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1748004A (en) * | 1927-04-11 | 1930-02-18 | Harry W Thomas | Sprayer nozzle |
GB426596A (en) | 1934-08-24 | 1935-04-05 | Hephaest A G Fuer Motorische K | Improvements in or relating to impact pulverizers |
GB1092511A (en) | 1963-02-27 | 1967-11-29 | Bp Tanker Company Ltd | Improvements in and relating to heat exchange systems |
US3314236A (en) * | 1964-09-04 | 1967-04-18 | Paul J Zanoni | Pump |
FR1484704A (en) * | 1966-04-04 | 1967-06-16 | Snecma | Variable mixer for installation with large flow variation |
US3423011A (en) * | 1967-01-10 | 1969-01-21 | Bell Aerospace Corp | Jet pump |
US3922113A (en) * | 1972-01-06 | 1975-11-25 | Plessey Co Ltd | Metered supply of liquids |
US3831855A (en) * | 1973-06-08 | 1974-08-27 | Src Lab | Variable flow, pressure venturi nozzle |
DE2330502A1 (en) * | 1973-06-15 | 1975-01-02 | Baelz Gmbh Helmut | District heating ejector type jet pump - controlled by sleeve between working medium inlet and collector nozzle |
US4051680A (en) * | 1973-12-26 | 1977-10-04 | Hall Carroll D | Modified rankine cycle engine apparatus |
US5032059A (en) * | 1989-04-05 | 1991-07-16 | Mccall Colin L | Suction and pumping apparatus |
FR2682428B1 (en) * | 1991-10-11 | 1993-12-24 | Michele Martinez | DEVICE FOR CONTROLLING AND CONTROLLING THE ROTATION OF A PNEUMATIC TURBINE. |
US5586442A (en) * | 1994-10-17 | 1996-12-24 | Helios Research Corp. | Thermal absorption compression cycle |
US5794447A (en) * | 1996-04-01 | 1998-08-18 | Helios Research Corporation | Rankine cycle boiler feed via hydrokinetic amplifier |
EP1808588A1 (en) | 2006-01-14 | 2007-07-18 | Thermal PowerTec GmbH | Augmentation of power output and efficiency in gas turbine and combined cycle plants |
DE102011105891B4 (en) * | 2011-06-27 | 2013-12-05 | Kautex Textron Gmbh & Co. Kg | Device for pressure-dependent opening of a suction opening and fuel tank |
-
2014
- 2014-05-19 DE DE102014107038.0A patent/DE102014107038A1/en not_active Withdrawn
-
2015
- 2015-05-19 WO PCT/EP2015/060971 patent/WO2015177130A1/en active Application Filing
- 2015-05-19 US US15/311,109 patent/US10711806B2/en active Active
- 2015-05-19 CA CA2949406A patent/CA2949406C/en active Active
- 2015-05-19 EP EP15723699.3A patent/EP2978940B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10711806B2 (en) | 2020-07-14 |
EP2978940B1 (en) | 2018-08-29 |
CA2949406C (en) | 2022-08-30 |
US20170074108A1 (en) | 2017-03-16 |
WO2015177130A1 (en) | 2015-11-26 |
CA2949406A1 (en) | 2015-11-26 |
DE102014107038A1 (en) | 2015-11-19 |
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