CN202493304U - Low-pressure low-temperature steam turbine set - Google Patents
Low-pressure low-temperature steam turbine set Download PDFInfo
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- CN202493304U CN202493304U CN2012201376954U CN201220137695U CN202493304U CN 202493304 U CN202493304 U CN 202493304U CN 2012201376954 U CN2012201376954 U CN 2012201376954U CN 201220137695 U CN201220137695 U CN 201220137695U CN 202493304 U CN202493304 U CN 202493304U
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Abstract
The utility model discloses a low-pressure low-temperature steam steam turbine set. The low-pressure low-temperature steam steam turbine set comprises a hot water pump, a heat exchange vaporizer, a low-pressure turbine, a condenser and a working medium circulating pump. The hot water pump is connected with a hot water inlet of the heat exchange vaporizer, a working medium steam output opening of the heat exchange vaporizer is connected with a steam inlet of the low-pressure turbine, a steam exhaust opening of the low-pressure turbine is connected with a steam inlet of the condenser, the condenser is connected with the working medium circulating pump, and the working medium circulating pump is connected with a liquid-state working medium input opening of the heat exchange vaporizer. The design of the heat exchange vaporizer is designed for using a low-boiling-point working medium , and therefore a heat source under 100 DEG C can be effectively utilized. According to the low-pressure low-temperature steam turbine set, the low-boiling-point liquid-state working medium absorbs heat energy of hot water in the heat exchange vaporizer, is vaporized into steam when the temperature of low-boiling-point liquid-state working medium rises, and continues to absorb heat as the temperature continues to rise, and therefore swelling power of the steam is further improved, and the low-pressure low-temperature steam electric generating set is energy-saving and environment-friendly.
Description
Technical field
The utility model belongs to the steam turbine technology field, relates to a kind of low-pressure low-temperature steam turbine set specifically.
Background technique
Steam turbine is impeller type rotation prime mover that a kind of thermal power transfer with steam is a mechanical energy.Steam turbine mainly as prime mover of generating usefulness, also can directly drive various pumps, blower fan, compressor and propeller for vessels etc., and steam turbine of the prior art all is as working medium with water; So-called " working medium "; The boiling point of water is high, so its thermal source must have very high temperature, and steam turbine set of the prior art all is the initial steam that produces from boiler; Produce heat by combustion oil or coal (chemical energy), make working medium (water) vaporization produce steam.The heat energy of steam becomes the kinetic energy of steam at the steam turbine internal consumption, promotes to be equipped with the turbine rotor of blade then, finally is converted into mechanical energy.This steam turbine set of the prior art can not utilize temperature to be lower than 100 ℃ heat energy, how can provide a kind of low-pressure low-temperature steam turbine set of energy-conserving and environment-protective to become the urgent demand of people.
The model utility content
The utility model provides a kind of low-temp low-pressure steam turbine set that can effectively utilize the energy-conserving and environment-protective of heat energy below 100 ℃ in order to overcome the deficiency that existing technology exists.
The utility model is realized through following technological scheme: a kind of low-pressure low-temperature steam turbine set; Said low-pressure low-temperature steam turbine set comprises: hot water pump, heat exchange vaporizer, low-pressure turbine, condenser and working medium circulating pump; The low-pressure low-temperature steam turbine set is used low boiling working fluid; Low boiling working fluid is that boiling point is at the material below 40 ℃ under the normal pressure, and the heat exchange vaporizer is provided with water inlet of hot water, working substance steam delivery outlet, liquid refrigerant inlet opening and backwater mouth, and hot water pump is connected with the water inlet of hot water of heat exchange vaporizer; The working substance steam delivery outlet of heat exchange vaporizer is connected with the steam inlet of low-pressure turbine; The steam-expelling port of low-pressure turbine is connected with the steam inlet of condenser, and condenser is connected with working medium circulating pump, and working medium circulating pump is connected with the liquid refrigerant inlet opening of heat exchange vaporizer.
The heat exchange vaporizer is followed successively by hot water water-dividing chamber, steam-heating chamber and hot hydroecium from top to bottom; In the steam-heating chamber, be provided with some evenly distributed hot-water lines; In hot hydroecium, be provided with some evenly distributed heat-exchange tubes that are communicated with the steam-heating chamber; Heat-exchange tube is communicated with the liquid refrigerant inlet opening, and the outer wall of hot hydroecium is a cylindrical metal shell.
The outer installment of said heat exchange vaporizer has one deck thermal insulation layer.
The heat-exchange tube of heat exchange vaporizer is the spirality heat-exchange tube, and heat-exchange tube is processed spirality, and purpose is the heat exchanger time that prolongs liquid refrigerant, and it is absorbed heat in rotation evenly.
The hot-water line of heat exchange vaporizer is for being provided with gelled hot-water line, and the hot-water line radiation fin is in order to increase the surface of contact of working substance steam and hot-water line, to improve heat exchange effect.
The beneficial effect of the utility model is: the low-pressure low-temperature steam turbine set of the utility model is used the heat exchange vaporizer instead without boiler.The design of heat exchange vaporizer is in order to use low boiling working fluid, so can effectively utilize thermal source below 100 ℃.The heat exchange vaporizer of the utility model makes lower boiling liquid in the heat exchange vaporizer, absorb the heat energy of hot water; Temperature raises to vaporize and becomes steam; And in vaporization continued heat absorption intensification; The swelliong power of steam is further improved, so entire work process energy very simple, that consume is less, is a kind of low-pressure low-temperature steam turbine set of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the fundamental diagram of a kind of low-pressure low-temperature steam turbine set of the utility model;
Among the figure: 1-hot water pump, 2-heat exchange vaporizer, 3-low-pressure turbine, 4-condenser, 5-working medium circulating pump, 6-water inlet of hot water, 7-working substance steam delivery outlet, 8-liquid refrigerant inlet opening, 9-backwater mouth, 10-hot water water-dividing chamber, 11-steam-heating chamber, 12-hot hydroecium, 13-hot-water line, 14-heat-exchange tube, 15-cylindrical metal shell, 16-thermal insulation layer.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1; A kind of low-pressure low-temperature steam turbine set; Comprise hot water pump 1, heat exchange vaporizer 2, low-pressure turbine 3, condenser 4 and working medium circulating pump 5, the low-pressure low-temperature steam turbine set use low boiling working fluid, low boiling working fluid be under the normal pressure boiling point at the material below 40 ℃; Heat exchange vaporizer 2 is provided with water inlet of hot water 6, working substance steam delivery outlet 7, liquid refrigerant inlet opening 8 and backwater mouth 9; Hot water pump 1 is connected with the water inlet of hot water 6 of heat exchange vaporizer 2, and the working substance steam delivery outlet 7 of heat exchange vaporizer 2 is connected with the steam inlet of low-pressure turbine 3, and the steam-expelling port of low-pressure turbine 3 is connected with the steam inlet of condenser 4; Condenser 4 is connected with working medium circulating pump 5, and working medium circulating pump 5 is connected with the liquid refrigerant inlet opening 8 of heat exchange vaporizer 2.Heat exchange vaporizer 2 is followed successively by hot water water-dividing chamber 10, steam-heating chamber 11 and hot hydroecium 12 from top to bottom; In steam-heating chamber 11, be provided with some evenly distributed hot-water lines 13; In hot hydroecium 12, be provided with some evenly distributed heat-exchange tubes 14 that are communicated with steam-heating chamber 11; Heat-exchange tube 14 is communicated with liquid refrigerant inlet opening 8, and the outer wall of hot hydroecium 12 is a cylindrical metal shell 15.The outer installment of said heat exchange vaporizer 2 has one deck thermal insulation layer 16, and the heat-exchange tube 14 of heat exchange vaporizer 2 is a spirality heat-exchange tube 14, and the hot-water line 13 of heat exchange vaporizer 2 is for being provided with gelled hot-water line 13.
The working principle of the utility model low-pressure low-temperature steam turbine set is:
1, hot water pump 1 is at first hot water input heat exchange vaporizer 2;
2, hot water carries out heat exchange with low boiling working fluid in heat exchange vaporizer 2, emits heat energy, and the water that temperature reduces flows out from the backwater mouth 9 of heat exchange vaporizer 2;
3, working medium circulating pump 5 is sent into heat exchanger to the liquid refrigerant in the condenser 4; Liquid refrigerant is in heat exchange vaporizer 2; Absorb the heat energy of hot water; Temperature raises to seethe with excitement and vaporizes, and the working substance steam after the vaporization continues heat absorption on the top of heat exchange vaporizer 2 and heats up, and the working substance steam that suctions heat energy is transported to low-pressure turbine 3 from working substance steam delivery outlet 7;
4, working substance steam gets into from the steam inlet of low-pressure turbine 3, and expansion pushing turbine blade changes heat energy into mechanical energy in low-pressure turbine 3, and the working substance steam temperature after the acting reduces, and pressure also reduces, and discharges from the steam-expelling port of low-pressure turbine 3;
The steam of 5, discharging from the steam-expelling port of low-pressure turbine 3 gets into condenser 4; Further cooling through condenser 4; The liquefaction of gas working medium is cryogenic liquide; Flow into the collecting tank of condenser 4 bottoms, by working medium circulating pump 5 sucking-offs pressurization, send into heat exchange vaporizer 2 and carry out circulating second time at the liquid outlet of condenser 4.
The working principle of heat exchange vaporizer 2 is in the utility model low-pressure low-temperature steam turbine set:
1, hot water gets into hot water water-dividing chamber 10 from water inlet of hot water 6; Get into hot hydroecium 12 in hot water water-dividing chamber 10 flow of hot water through the hot-water line 13 of each band radiating fin; Hot water is through after carrying out heat exchange with hot hydroecium 12 with working medium at hot-water line 13, and temperature reduces, and is flowed away by backwater mouth 9;
2, low temperature liquid working medium 8 entering from the liquid refrigerant inlet opening, the spirality of flowing through heat-exchange tube 14, because spirality heat-exchange tube 14 is immersed in the hot water, the heat energy of hot water is through the tube wall transmission of spirality heat-exchange tube 14, the liquid refrigerant endothermic temperature raises;
3, after the working medium heat absorption is warmed up to and is above the boiling point, get into steam-heating chamber 11, because pressure reduces, liquid refrigerant quickens vaporization;
4, working medium through the heat transmission of flange-cooled hot-water line 13, continues to absorb the heat energy of hot water in the steam-heating chamber 11, and temperature raises;
5, because hot water gets into from top, so the upper temp of heat exchange vaporizer 2 is the highest; And liquid refrigerant gets into from the bottom, and up yield temperature constantly raises, and when working substance steam flow to the topmost part of heat exchanger, temperature was the highest, energy also the most too, at this moment, working substance steam flows out from working substance steam delivery outlet 7, gets into low-pressure turbine 3 actings.
Should be noted that at last; Above content is only in order to explain the technological scheme of the utility model; But not to the restriction of the utility model protection domain; The simple modification that those of ordinary skill in the art carries out the technological scheme of the utility model perhaps is equal to replacement, does not all break away from the essence and the scope of the utility model technological scheme.
Claims (5)
1. low-pressure low-temperature steam turbine set; Said low-pressure low-temperature steam turbine set comprises: hot water pump, heat exchange vaporizer, low-pressure turbine, condenser and working medium circulating pump; It is characterized in that: said low-pressure low-temperature steam turbine set is used low boiling working fluid; Said low boiling working fluid be under the normal pressure boiling point at the material below 40 ℃; Said heat exchange vaporizer is provided with water inlet of hot water, working substance steam delivery outlet, liquid refrigerant inlet opening and backwater mouth; Said hot water pump is connected with the water inlet of hot water of said heat exchange vaporizer, and the working substance steam delivery outlet of said heat exchange vaporizer is connected with the steam inlet of said low-pressure turbine, and the steam-expelling port of said low-pressure turbine is connected with the steam inlet of said condenser; Said condenser is connected with said working medium circulating pump, and said working medium circulating pump is connected with the liquid refrigerant inlet opening of said heat exchange vaporizer.
2. a kind of low-pressure low-temperature steam turbine set according to claim 1; It is characterized in that: said heat exchange vaporizer is followed successively by hot water water-dividing chamber, steam-heating chamber and hot hydroecium from top to bottom; In said steam-heating chamber, be provided with some evenly distributed hot-water lines; In said hot hydroecium, be provided with some evenly distributed heat-exchange tubes that are communicated with said steam-heating chamber, said heat-exchange tube is communicated with said liquid refrigerant inlet opening, and the outer wall of said hot hydroecium is a cylindrical metal shell.
3. a kind of low-pressure low-temperature steam turbine set according to claim 1 and 2, it is characterized in that: the outer installment of said heat exchange vaporizer has one deck thermal insulation layer.
4. a kind of low-pressure low-temperature steam turbine set according to claim 2 is characterized in that: the heat-exchange tube of said heat exchange vaporizer is the spirality heat-exchange tube.
5. a kind of low-pressure low-temperature steam turbine set according to claim 2 is characterized in that: the hot-water line of said heat exchange vaporizer is for being provided with gelled hot-water line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201376954U CN202493304U (en) | 2012-04-01 | 2012-04-01 | Low-pressure low-temperature steam turbine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201376954U CN202493304U (en) | 2012-04-01 | 2012-04-01 | Low-pressure low-temperature steam turbine set |
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| Publication Number | Publication Date |
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| CN202493304U true CN202493304U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201376954U Expired - Fee Related CN202493304U (en) | 2012-04-01 | 2012-04-01 | Low-pressure low-temperature steam turbine set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062170A1 (en) * | 2013-10-29 | 2015-05-07 | 山东省北斗制冷设备有限公司 | Non-water consuming, scaleless, energy-saving combined condenser |
| CN106091493A (en) * | 2016-08-06 | 2016-11-09 | 枣庄宝武机电科技开发有限公司 | Zero incrustation scale not water consumption energy-saving condenser |
-
2012
- 2012-04-01 CN CN2012201376954U patent/CN202493304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062170A1 (en) * | 2013-10-29 | 2015-05-07 | 山东省北斗制冷设备有限公司 | Non-water consuming, scaleless, energy-saving combined condenser |
| CN106091493A (en) * | 2016-08-06 | 2016-11-09 | 枣庄宝武机电科技开发有限公司 | Zero incrustation scale not water consumption energy-saving condenser |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20160401 |