CN203515703U - Device for converting thermal energy of steam into mechanical energy - Google Patents
Device for converting thermal energy of steam into mechanical energy Download PDFInfo
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- CN203515703U CN203515703U CN201320740991.8U CN201320740991U CN203515703U CN 203515703 U CN203515703 U CN 203515703U CN 201320740991 U CN201320740991 U CN 201320740991U CN 203515703 U CN203515703 U CN 203515703U
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- hollow shaft
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Abstract
The utility model discloses a device for converting thermal energy of steam into mechanical energy. The device is characterized in that a first inlet is fixedly communicated with a hollow shaft, and the hollow shaft is correspondingly and fixedly communicated with a first upper spray nozzle and a first lower spray nozzle which are arranged in a first shell; the first spray nozzles take the shape of strip bending trumpets, spray nozzle inlets are formed in the front ends of the first spray nozzles, spray nozzle outlets are formed in the rear end of the first spray nozzles, and the opening sizes of the spray nozzle inlets are smaller than the opening sizes of the spray nozzle outlets; the spray nozzle inlets are fixedly communicated with the spray nozzle outlets, and the hollow shaft is fixedly communicated with the first spray nozzles through the spray nozzle inlets; the first shell is fixedly connected to a first outlet; after steam enters the spray nozzle inlets, the steam expands in volume and is discharged from the spray nozzle outlets, and the first spray nozzles rotate through the volume change of the steam, thus driving the hollow shaft to rotate; one end of the hollow shaft is fixedly connected to a bearing. The device is used for efficiently solving the problem of recycling and reusing the energy of low-temperature steam. Due to adoption of the technical scheme, the device is easy to implement and can be used for solving the problems of the influence of wet steam on a gas turbine and the relatively low efficiency caused by adopting throttling expansion during refrigeration or heating of an air conditioner.
Description
Technical field
The utility model relates to a kind of thermal power transfer and becomes mechanical energy device, and especially a kind of steam heat energy converts mechanical energy device to.
Background technique
At present, the waste of low-temperature heat source is very serious, and tradition extensively exist low temperature heat rate low with energy rich and influential family, even the phenomenon of zero utilization ratio.In 60-180 ℃ of warm area a little less than the theoretical research relative thin with technology of Conversion of Energy, and waste heat discharge amount in this warm area is very large, cannot high efficiency utilization, can only be discharged atmosphere, and cause heat energy to waste.
With regard to existing technology, the exhaust steam pressure of steam turbine is lower, and the thermal efficiency of vapor recycle is just higher.But exhaust steam pressure mainly depends on the degree of vacuum of vapour condenser, degree of vacuum depends on again the temperature of cooling water and the equipment vacuumizing (being commonly referred to vacuum pump), if adopt too low exhaust steam pressure, just need to increase cooling water flow, increase the heat exchanger surface of condenser cooling water and cooling medium, the temperature that reduces the cooling water being used and the equipment vacuumizing, longer exhaust stage blade, but the too low steam flow rate of steam turbine (low pressure (LP) cylinder) that can cause again of vacuum is accelerated simultaneously, make steam turbine (low pressure (LP) cylinder) differential expansion aggravation, jeopardize Turbine Safety running.The exhaust steam pressure that condensing steam turbine is conventional is 5～10 kPas.
100 ℃ one atmospheric water vapor generating potential and the water vapor of the 8.8MPa535 ℃ ability comparision that generates electricity;
The character that 0.005～0.01 MPa is corresponding:
32.9 ℃ of dry steam enthalpy 2560.55Kj/Kg entropy 8.393Kj of temperature (KgK) saturation water enthalpy 137.72Kj/Kg entropy 0.4761Kj (KgK);
45.8 ℃ of dry steam enthalpy 2583.72Kj/Kg entropy 8.1481Kj of temperature (KgK) saturation water enthalpy 191.76Kj/Kg entropy 0.649Kj (KgK);
The character of 100 ℃ of water:
100 ℃ of dry steam enthalpy 2675.71Kj/Kg entropy 7.3545Kj of temperature (KgK) saturation water enthalpy 419.06Kj/Kg entropy 1.3069Kj (KgK);
100 ℃ of water vapor constant entropy expansion:
If it is x that the solid carbon dioxide steam constant entropy expansion of 100 ℃ is established humidity to 0.005 MPa
7.3545=0.4761x+(1-x)8.393
x=0.131
h=2243.15Kj／Kg
Poor 432.56Kj/Kg;
535 ℃ of water vapor constant entropy expansion:
8.8MPa535℃h=3474.15Kj／Kg?s=6.779Kj(Kg·K)
Constant entropy expansion is x to establish humidity to 0.005 MPa
x=0.204
h=2056.07Kj／Kg
Poor 1418.08Kj/Kg;
The comparison of steam electric power ability:
432.56／1418.08=30.5％；
Temperature difference comparison:
(535-32.9)／(100-32.9)=13％；
100 degrees Celsius of saturated vapors freely expand into the speed of 0.005 MPa
432.56kj/kg=0.5mv
2
V=930m／s；
The solid carbon dioxide steam constant entropy expansion of 100 ℃ expands 18 times to 0.005 MPa volume.
Model utility content
The steam heat energy that the purpose of this utility model is to provide the recycling of a kind of low-temperature steam energy converts mechanical energy device to.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Steam heat energy converts a mechanical energy device to, and the 1st import is fixedly communicated with hollow shaft, hollow shaft with in be located at corresponding fixing connection of two the 1st nozzles up and down of the 1st shell;
The 1st nozzle is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance, and rear end is provided with jet expansion, and the opening size of nozzle entrance is less than jet expansion opening size; Nozzle entrance is fixedly communicated with jet expansion, and hollow shaft is fixedly communicated with the 1st nozzle by nozzle entrance;
The 1st shell is fixedly connected with the 1st outlet;
Steam enters after nozzle entrance, and volume expanded expands and to discharge from jet expansion, thereby the Volume Changes of the 1st nozzle by steam produces rotation, drives hollow shaft to rotate.
One end of hollow shaft is fixedly connected with bearing.
The 1st nozzle and hollow shaft consist of metallic material or plastics.
Steam heat energy converts a mechanical energy device to, and the 2nd import is fixedly communicated with grooved shaft, grooved shaft with in be located at corresponding fixing connection of two the 2nd nozzles up and down of the 2nd shell;
The 2nd nozzle is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance, and rear end is provided with jet expansion, and the opening size of nozzle entrance is less than jet expansion opening size; Nozzle entrance is fixedly communicated with jet expansion, and grooved shaft is fixedly communicated with the 2nd nozzle by nozzle entrance; Grooved shaft forms by establishing dividing plate in hollow shaft;
The 2nd shell is fixedly connected with the 2nd outlet;
Steam enters after nozzle entrance, and volume expanded expands and discharges from jet expansion, thereby the 2nd nozzle changes generation rotation by vapour volume, drives grooved shaft to rotate.
One end of grooved shaft is fixedly connected with bearing.
The 2nd nozzle and grooved shaft consist of metallic material or plastics.
The beneficial effects of the utility model:
This model utility high efficiency solves low-temperature steam energy recycling problem.The technical program is easily implemented, and has solved the impact of wet vapor on steam turbine, air conditioner refrigerating or adopt throttling expansion, the problem that efficiency is lower when heating.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the first embodiment composite structure schematic diagram of the present utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the second embodiment composite structure schematic diagram of the present utility model.
Fig. 4 is the B-B cross-sectional view of Fig. 2.
Fig. 5 is nozzle perspective view of the present utility model.
Embodiment
Shown in Fig. 1-Fig. 5, the utility model mainly comprises: the 1st import 1, hollow shaft 2, the 1st nozzle 3, bearing 4, the 1st outlet the 5, the 1st shell the 6, the 2nd import 7, grooved shaft 8, the 2nd outlet the 9, the 2nd nozzle the 10, the 2nd shell 11, nozzle entrance 12, jet expansion 13, dividing plate 14.
Steam heat energy converts a mechanical energy device to, and the 1st import 1 is fixedly communicated with hollow shaft 2, hollow shaft 2 with in be located at corresponding fixing connection of two the 1st nozzles 3 up and down of the 1st shell 6;
The 1st nozzle 3 is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance 12, and rear end is provided with jet expansion 13, and the opening size of nozzle entrance 12 is less than jet expansion 13 opening sizes; Nozzle entrance 12 is fixedly communicated with jet expansion 13, and hollow shaft 2 is fixedly communicated with the 1st nozzle 3 by nozzle entrance 12;
The 1st shell 6 is fixedly connected with the 1st outlet 5;
Steam enters after nozzle entrance 12, and volume expanded expands and discharges from jet expansion 13, thereby the 1st nozzle 3 passes through the Volume Changes generation rotation of steam, drives hollow shaft 2 to rotate.
One end of hollow shaft 2 is fixedly connected with bearing 4.
The 1st nozzle 3 and hollow shaft 2 consist of metallic material or plastics.
Steam heat energy converts a mechanical energy device to, and the 2nd import 7 is fixedly communicated with grooved shaft 8, grooved shaft 8 with in be located at corresponding fixing connection of two the 2nd nozzles 10 up and down of the 2nd shell 11;
The 2nd nozzle 10 is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance 12, and rear end is provided with jet expansion 13, and the opening size of nozzle entrance 12 is less than jet expansion 13 opening sizes; Nozzle entrance 12 is fixedly communicated with jet expansion 13, and grooved shaft 8 is fixedly communicated with the 2nd nozzle 10 by nozzle entrance 12; Grooved shaft 8 forms by establishing dividing plate 14 in hollow shaft 2;
The 2nd shell 11 is fixedly connected with the 2nd outlet 9;
Steam enters after nozzle entrance 12, and volume expanded expands and discharges from jet expansion 13, thereby the 2nd nozzle 10 is changed and produced 8 rotations of rotation drive grooved shaft by vapour volume.
One end of grooved shaft 8 is fixedly connected with bearing 4.
The 2nd nozzle 10 and grooved shaft 8 consist of metallic material or plastics.
Working principle:
1. nozzle is fixedly connected with axle, and steam enters axle, and then entering in divergent nozzle expands accelerates, and nozzle is subject to the reaction force of steam and with the rotation of moving axis, the steam that leaves nozzle leaves from outlet, and axle can output power.
2. the 1st import 1 and hollow shaft 2 is connected, hollow shaft 2 is fixedly connected with the 1st nozzle 3, hollow shaft 2 is connected with bearing 4, hollow shaft 2 is connected with the 1st shell 6, the 1st nozzle 3 is fixedly connected with hollow shaft 2, and the 1st outlet 5 is fixedly connected with the 1st shell 6, and bearing 4 is connected with hollow shaft 2, the 1st shell 6 is connected with hollow shaft 2, and the 1st shell 6 is connected with the 1st outlet 5.
3. being connected of the 2nd import 7 and grooved shaft 8, grooved shaft 8 is fixedly connected with the 2nd nozzle 10, and grooved shaft 8 is connected with bearing 4, grooved shaft 8 is connected with the 2nd shell 11, the 2nd nozzle 10 is fixedly connected with grooved shaft 8, and the 2nd outlet 9 is connected with the 2nd shell 11, and the 2nd shell 11 is connected with grooved shaft 8.
Claims (6)
1. steam heat energy converts a mechanical energy device to, it is characterized in that: the 1st import (1) is fixedly communicated with hollow shaft (2), hollow shaft (2) with in be located at corresponding fixing connection of two the 1st nozzles (3) up and down of the 1st shell (6);
The 1st nozzle (3) is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance (12), and rear end is provided with jet expansion (13), and the opening size of nozzle entrance (12) is less than jet expansion (13) opening size; Nozzle entrance (12) is fixedly communicated with jet expansion (13), and hollow shaft (2) is fixedly communicated with the 1st nozzle (3) by nozzle entrance (12);
The 1st shell (6) is fixedly connected with the 1st outlet (5);
Steam enters after nozzle entrance (12), and volume expanded expands and to discharge from jet expansion (13), the 1st nozzle (3) thus the Volume Changes by steam produces rotation drives hollow shaft (2) to rotate.
2. steam heat energy according to claim 1 converts mechanical energy device to, it is characterized in that: one end of described hollow shaft (2) is fixedly connected with bearing (4).
3. steam heat energy according to claim 1 converts mechanical energy device to, it is characterized in that: described the 1st nozzle (3) and hollow shaft (2) consist of metallic material or plastics.
4. a steam heat energy converts mechanical energy device to, it is characterized in that: the 2nd import (7) is fixedly communicated with grooved shaft (8), grooved shaft (8) with in be located at corresponding fixing connection of two the 2nd nozzles (10) up and down of the 2nd shell (11);
The 2nd nozzle (10) is rectangular crooked loudspeaker shape, and front end is provided with nozzle entrance (12), and rear end is provided with jet expansion (13), and the opening size of nozzle entrance (12) is less than jet expansion (13) opening size; Nozzle entrance (12) is fixedly communicated with jet expansion (13), and grooved shaft (8) is fixedly communicated with the 2nd nozzle (10) by nozzle entrance (12); Grooved shaft (8) forms by establishing dividing plate (14) in hollow shaft (2);
The 2nd shell (11) is fixedly connected with the 2nd outlet (9);
Steam enters after nozzle entrance (12), and volume expanded expands and to discharge from jet expansion (13), the 2nd nozzle (10) thus by vapour volume, changes and produces rotation and drive grooved shaft (8) rotation.
5. steam heat energy according to claim 4 converts mechanical energy device to, it is characterized in that: one end of described grooved shaft (8) is fixedly connected with bearing (4).
6. steam heat energy according to claim 4 converts mechanical energy device to, it is characterized in that: described the 2nd nozzle (10) and grooved shaft (8) consist of metallic material or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740991.8U CN203515703U (en) | 2013-11-21 | 2013-11-21 | Device for converting thermal energy of steam into mechanical energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740991.8U CN203515703U (en) | 2013-11-21 | 2013-11-21 | Device for converting thermal energy of steam into mechanical energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515703U true CN203515703U (en) | 2014-04-02 |
Family
ID=50374648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740991.8U Expired - Fee Related CN203515703U (en) | 2013-11-21 | 2013-11-21 | Device for converting thermal energy of steam into mechanical energy |
Country Status (1)
| Country | Link |
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| CN (1) | CN203515703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615294A (en) * | 2013-11-21 | 2014-03-05 | 郭富强 | Device for converting steam heat energy into mechanical energy |
-
2013
- 2013-11-21 CN CN201320740991.8U patent/CN203515703U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615294A (en) * | 2013-11-21 | 2014-03-05 | 郭富强 | Device for converting steam heat energy into mechanical energy |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141121 |
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| EXPY | Termination of patent right or utility model |