CN201763404U - Vacuum water circulation differential pressure generating device - Google Patents
Vacuum water circulation differential pressure generating device Download PDFInfo
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- CN201763404U CN201763404U CN2010205265218U CN201020526521U CN201763404U CN 201763404 U CN201763404 U CN 201763404U CN 2010205265218 U CN2010205265218 U CN 2010205265218U CN 201020526521 U CN201020526521 U CN 201020526521U CN 201763404 U CN201763404 U CN 201763404U
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- waste heat
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Abstract
A vacuum water circulation differential pressure generating device belongs to a waste heat recycling generating device. The utility model comprises a set of waste heat collecting system for providing power for the device and two circulating water tanks. The steam or hot water outlet of the waste heat collecting system is connected with the two circulating water tanks respectively through two steam valves. The bottoms of the two circulating water tanks are respectively provided with a water inlet pipeline and a water outlet pipeline. The water outlet pipelines on the bottoms of the two circulating water tanks are connected with the water inlet of a hydraulic generator the water outlet of which is connected with the water inlet pipelines on the bottoms of the two circulating water tanks. The two circulating water tanks are connected with a condenser respectively through a condensation valve A and a condensation valve B. The condensed water outlet of the condenser is connected with the waste heat collecting system. The two circulating water tanks are connected with the condenser and the vacuum system. The utility model which has a wide application temperature range can use low-grade waste heat with high efficiency. Furthermore, the utility model which bears little brunt of heat source intermittent change has a stable power output.
Description
Technical field
The utility model belongs to the electricity generating device that a kind of used heat utilizes.
Background technique
In industries such as iron and steel, petrochemical industry, building materials, cement, sugaring, manufacturer has a large amount of low grade residual heats, comprises low-grade flue gas, steam and hot water etc., and these heat grades are low, quantity big, it is more diffusing to distribute, and can not utilize for producing substantially again.And present low-temperature cogeneration technology is subjected to the restriction of steam turbine, and is low to the utilization ratio of low-temperature heat source.And quality of steam is little, and the pressure reduction of electricity generating device reduces, and the size of steam turbine must increase.When thermal source was unstable, present way was to increase additional combustion boiler, but there is the low and pollution problems of the thermal efficiency again in small-sized additional combustion boiler.
Summary of the invention
Goal of the invention of the present utility model is to overcome the deficiencies in the prior art and the vacuum water circulation differential pressure power generation device that a kind of Applicable temperature scope is wide, can efficiently utilize low grade residual heat is provided.
The technical solution of the utility model is: comprise that a cover provides thermodynamic waste heat acquisition system and circulation water pot A and circulation water pot B for this device, the steam of waste heat acquisition system or hot water outlet are connected with circulation water pot A, circulation water pot B through steam valve A, steam valve B respectively, and inlet pipeline and rising pipe are arranged respectively at circulation water pot A, circulation water pot B bottom; The rising pipe of circulation water pot A, circulation water pot B bottom is connected with the water intake of hydraulic turbine generator, the water outlet of hydraulic turbine generator is connected with the inlet pipeline of circulation water pot A, circulation water pot B bottom, circulation water pot A, circulation water pot B are connected with condenser through condensation trap A, condensation trap B respectively, and the condensation-water drain of condenser is connected with the waste heat acquisition system; Circulation water pot A, circulation water pot B are connected with condenser and vacuum system.
Between the rising pipe of described circulation water pot A bottom and the water intake of hydraulic turbine generator Water Check Valve A and water outlet normal open valve A are housed out.
Between the rising pipe of described circulation water pot B bottom and the water intake of hydraulic turbine generator Water Check Valve B and water outlet normal open valve B are housed out.
Into water safety check A and water inlet normal open valve A are housed between the inlet pipeline of described circulation water pot A bottom and the water outlet of hydraulic turbine generator.
Into water safety check B and water inlet normal open valve B are housed between the inlet pipeline of described circulation water pot B bottom and the water outlet of hydraulic turbine generator.
The first waste heat acquisition system small pump is housed between the condensation-water drain of described condenser and the waste heat acquisition system.
The water outlet of described hydraulic turbine generator is equipped with the second waste heat acquisition system small pump.
Described steam valve A, steam valve B are the steam electrically-controlled valve, and described condensation trap A, condensation trap B are the condenser electrically-controlled valve.
On described circulation water pot A, the circulation water pot B level sensor A, level sensor B are housed respectively.
Described level sensor A, level sensor B are connected with the PLC controller, the analog amount that the water level signal of PLC controller collection level sensor A output presets with it is carried out computing relatively, output signal to steam valve A and condensation trap B or condensation trap A and steam valve B, cut-out or the connection of control steam valve A and condensation trap B or condensation trap A and steam valve B; The analog amount that the water level signal of PLC controller collection level sensor B output presets with it is carried out computing relatively, output signal to steam valve B and condensation trap A or condensation trap B and steam valve A, cut-out or the connection of control steam valve B and condensation trap A or condensation trap B and steam valve A, and switch between two kinds of operating modes.
The utility model is abandoned the thinking of traditional steam turbine power generation, the characteristics of utilizing the hydraulic turbine generator low differential pressure also can generate electricity, provide a kind of Applicable temperature scope wide, can efficiently utilize heat energy, do not cause the vacuum water circulation differential pressure power generation device of water resource waste again, low grade residual heat can be efficiently utilized, and adverse effects such as its temperature variation is big, intermittent thermal source can be overcome.The required temperature difference of the utility model generating is lower, and as adopting the water wheels unit of the first rice of electrical generation water, if when the condenser end temperature is 20 ℃, vapor (steam) temperature can drive the water wheels unit generation greater than 50 ℃.The utility model can be according to the variation of vapor (steam) temperature, the aperture of steam regulation electrically-controlled valve, and the heat that control enters vacuum tank is to keep stable differential pressure power generation, so the influence that system is intermittently changed by thermal source is little, electric power output is stable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is control principle figure of the present utility model.
Among the figure, 1, vacuum pump, 2, condenser, 3, circulation water pot A, 4, condenser electrically-controlled valve A, 5, steam electrically-controlled valve A, 6, level sensor A, 7, water inlet safety check A, 8, water inlet normal open valve A, 9, water outlet normal open valve A, 10, go out Water Check Valve A, 11, hydraulic turbine generator, 12, circulation water pot B, 13, condenser electrically-controlled valve B, 14, steam electrically-controlled valve B, 15, level sensor B, 16, water inlet safety check B, 17, water inlet normal open valve B, 18, water outlet normal open valve B, 19, go out Water Check Valve B, 20, the second waste heat acquisition system small pump, 21, the first waste heat acquisition system small pump, 22, waste heat is gathered (recirculated cooling water) system, 23, the Water in Condenser level sensor, 24, waste heat acquisition system level sensor.
Embodiment
Among Fig. 1, the utility model comprises that a cover provides thermodynamic waste heat collection (recirculated cooling water) system 22 and circulation water pot A3 and circulation water pot B12 for this device, and the steam of waste heat collection (recirculated cooling water) system 22 or hot water outlet are connected with circulation water pot A3, circulation water pot B12 through steam electrically-controlled valve A5, steam electrically-controlled valve B14 respectively.Inlet pipeline and rising pipe are arranged respectively at circulation water pot A3, circulation water pot B12 bottom.The rising pipe of circulation water pot A3, circulation water pot B12 bottom is connected with the water intake of hydraulic turbine generator 11, and the water outlet of hydraulic turbine generator 11 is connected with the inlet pipeline of circulation water pot A3, circulation water pot B12 bottom.Between the rising pipe of circulation water pot A3 bottom and the water intake of hydraulic turbine generator Water Check Valve A10 and water outlet normal open valve A9 are housed out.Into water safety check A7 and water inlet normal open valve A8 are housed between the inlet pipeline of circulation water pot A3 bottom and the water outlet of hydraulic turbine generator 11.Between the rising pipe of circulation water pot B12 bottom and the water intake of hydraulic turbine generator 11 Water Check Valve B19 and water outlet normal open valve B18 are housed out.Into water safety check B16 and water inlet normal open valve B17 are housed between the inlet pipeline of circulation water pot B12 bottom and the water outlet of hydraulic turbine generator 11.Circulation water pot A3, circulation water pot B12 are connected with condenser 2 through condenser electrically-controlled valve A4, condenser electrically-controlled valve B13 respectively, and the condensation-water drain of condenser 2 is connected with waste heat collection (recirculated cooling water) system 22.On circulation water pot A3, the circulation water pot B12 level sensor A6, level sensor B15 are housed respectively, circulation water pot A3, circulation water pot B12 are connected with condenser 2 and vacuum pump 1.Between the condensation-water drain of condenser 2 and waste heat collection (recirculated cooling water) system 22 the first waste heat acquisition system small pump 21 is housed.The water outlet of hydraulic turbine generator 11 is equipped with the second waste heat acquisition system small pump 20.Level sensor A6, level sensor B15 are connected with the PLC controller, the analog amount that the water level signal of the output of PLC controller collection level sensor A6 presets with it is carried out computing relatively, output signal to steam electrically-controlled valve A5 and condenser electrically-controlled valve B13 or condenser electrically-controlled valve A4 and steam electrically-controlled valve B14, cut-out or the connection of control steam electrically-controlled valve A5 and condenser electrically-controlled valve B13 or condenser electrically-controlled valve A4 and steam electrically-controlled valve B14; The analog amount that the water level signal of the output of PLC controller collection level sensor B15 presets with it is carried out computing relatively, output signal to steam electrically-controlled valve B14 and condenser electrically-controlled valve A4 or condenser electrically-controlled valve B13 and steam electrically-controlled valve A5, cut-out or the connection of control steam electrically-controlled valve B14 and condenser electrically-controlled valve A4 or condenser electrically-controlled valve B13 and steam electrically-controlled valve A5, and switch between two kinds of operating modes.
Among Fig. 2, the feedback signal that the PLC controller receives the signal of signal, level sensor B15 of level sensor A6 and condenser electrically-controlled valve A4, steam electrically-controlled valve B14, steam electrically-controlled valve A5, condenser electrically-controlled valve B13 realizes that the order of control condenser electrically-controlled valve A4, steam electrically-controlled valve B14, steam electrically-controlled valve A5, condenser electrically-controlled valve B13 is opened, closed.The PLC controller receives Water in Condenser level sensor 23 signals, controls the first waste heat acquisition system small pump 21 and starts, stops.The PLC controller receives waste heat acquisition system level sensor 24 signals, controls the second waste heat acquisition system small pump 20 and starts, stops.
Working principle of the present utility model is circulation water pot A and the circulation water pot B with two group, suitable vacuum is pumped in inside, when circulation water pot A wherein closes the condenser electrically-controlled valve, when opening the steam electrically-controlled valve and entering steam and heat up, another circulation water pot B is the steam off electrically-controlled valve then, open the cooling of condenser electrically-controlled valve, because the pressure difference between the two circulation water pots that the temperature difference causes, impel the current direction circulation water pot B in the circulation water pot A, when the water level of circulation water pot B rises to desired location, close the condenser electrically-controlled valve, open the steam electrically-controlled valve and enter the steam intensification, water pot A steam off electrically-controlled valve simultaneously circulates, open the cooling of condenser electrically-controlled valve, impel circulation water pot B current direction circulation water pot A.With go out Water Check Valve, the water inlet safety check makes that the feed-water end of two circulation water pots is connected with the water outlet of hydraulic turbine generator, the waterexit end is connected with the water intake of hydraulic turbine generator, circulating water flow driving hydraulic turbine generator turns round.Open the first waste heat acquisition system small pump by Water in Condenser level sensor signal determining (or by waste heat acquisition system level sensor signal determining), the water yield that condensed water blowback waste heat acquisition system in the condenser is recovered damage.Have a spot of condensed water in the work and enter the circulation water pot, when waste heat acquisition system water shortage, and condensed water has pumped in the condenser, open the second waste heat acquisition system small pump by waste heat acquisition system level sensor signal determining, pump water enters the water yield that the waste heat acquisition system is recovered damage from circulating water.When the temperature of condenser end is lower than zero degrees celsius, cycle fluid be can change and low condensation point working medium such as ethanol are, just can avoid condenser to freeze, equipment is normally moved.
The utility model adopts one or more groups circulation water pot suction circulating water.Every group has a condenser system condensing steam.Waste heat is gathered recirculating cooling water system steam or hot water is provided.The top of circulation water pot has a pipeline to connect condenser, has a pipeline to connect steam.Into water and rising pipe are arranged at the bottom of circulation water pot, and one-way valve and circulating water line make that water is unidirectional to circulate.Level sensor provides the situation of water level in the circulation water pot.Electrically-controlled valve makes the circulation water pot cut off steam, connect condenser and cut off condenser, connect between two kinds of operating modes of steam and switch according to the water level switch operation in the circulation water pot.Vacuum pump is kept the degree of vacuum in the condenser then according to temperature in the condenser and pressure control work.At least two group vacuum pressure reduction water circulators, each is organized between the state of cyclic operation of device at regular intervals, can obtain continuous circulating water flow, makes the electric power output of hydraulic turbine generator stable.By the aperture of control steam electrically-controlled valve and condenser electrically-controlled valve, the pressure reduction between may command two circulation water pots makes the influence that pressure reduction is not changed by waste heat acquisition system hot water temperature between two circulation water pots.The utility model is a closed vacuum cycle system, both can guarantee that circulating water was not contaminated, can avoid the loss of circulating water again.
Claims (10)
1. vacuum water circulation differential pressure power generation device, it is characterized in that: comprise that a cover provides thermodynamic waste heat acquisition system and circulation water pot A and circulation water pot B for this device, the steam of waste heat acquisition system or hot water outlet are connected with circulation water pot A, circulation water pot B through steam valve A, steam valve B respectively, and inlet pipeline and rising pipe are arranged respectively at circulation water pot A, circulation water pot B bottom; The rising pipe of circulation water pot A, circulation water pot B bottom is connected with the water intake of hydraulic turbine generator, the water outlet of hydraulic turbine generator is connected with the inlet pipeline of circulation water pot A, circulation water pot B bottom, circulation water pot A, circulation water pot B are connected with condenser through condensation trap A, condensation trap B respectively, and the condensation-water drain of condenser is connected with the waste heat acquisition system; Circulation water pot A, circulation water pot B are connected with condenser and vacuum system.
2. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: between the rising pipe of described circulation water pot A bottom and the water intake of hydraulic turbine generator Water Check Valve A and water outlet normal open valve A are housed out.
3. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: between the rising pipe of described circulation water pot B bottom and the water intake of hydraulic turbine generator Water Check Valve B and water outlet normal open valve B are housed out.
4. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: into water safety check A and water inlet normal open valve A are housed between the inlet pipeline of described circulation water pot A bottom and the water outlet of hydraulic turbine generator.
5. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: into water safety check B and water inlet normal open valve B are housed between the inlet pipeline of described circulation water pot B bottom and the water outlet of hydraulic turbine generator.
6. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: the first waste heat acquisition system small pump is housed between the condensation-water drain of described condenser and the waste heat acquisition system.
7. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: the water outlet of described hydraulic turbine generator is equipped with the second waste heat acquisition system small pump.
8. vacuum water circulation differential pressure power generation device according to claim 1, it is characterized in that: described steam valve A, steam valve B are the steam electrically-controlled valve, described condensation trap A, condensation trap B are the condenser electrically-controlled valve.
9. vacuum water circulation differential pressure power generation device according to claim 1 is characterized in that: on described circulation water pot A, the circulation water pot B level sensor A, level sensor B are housed respectively.
10. vacuum water circulation differential pressure power generation device according to claim 9, it is characterized in that: described level sensor A, level sensor B are connected with the PLC controller, the analog amount that the water level signal of PLC controller collection level sensor A output presets with it is carried out computing relatively, output signal to steam valve A and condensation trap B or condensation trap A and steam valve B, cut-out or the connection of control steam valve A and condensation trap B or condensation trap A and steam valve B; The analog amount that the water level signal of PLC controller collection level sensor B output presets with it is carried out computing relatively, output signal to steam valve B and condensation trap A or condensation trap B and steam valve A, cut-out or the connection of control steam valve B and condensation trap A or condensation trap B and steam valve A, and switch between two kinds of operating modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205265218U CN201763404U (en) | 2010-09-13 | 2010-09-13 | Vacuum water circulation differential pressure generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205265218U CN201763404U (en) | 2010-09-13 | 2010-09-13 | Vacuum water circulation differential pressure generating device |
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| Publication Number | Publication Date |
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| CN201763404U true CN201763404U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205265218U Expired - Fee Related CN201763404U (en) | 2010-09-13 | 2010-09-13 | Vacuum water circulation differential pressure generating device |
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| CN (1) | CN201763404U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485961A (en) * | 2013-06-13 | 2014-01-01 | 王娟 | Vapor power cycle system and vapor power cycle method |
| CN103899467A (en) * | 2012-12-26 | 2014-07-02 | 欧文秀 | Method and device for generating energy by utilizing atmospheric pressure and vacuum suction |
| CN105114140A (en) * | 2015-07-23 | 2015-12-02 | 谢继波 | Accumulative cyclic energy utilization device |
| CN111648910A (en) * | 2020-06-10 | 2020-09-11 | 天津农学院 | Automatic tidal power generation simulation device and control method thereof |
| CN112648030A (en) * | 2021-01-06 | 2021-04-13 | 武瑞香 | Circulating water energy-saving utilization device of thermal power plant |
-
2010
- 2010-09-13 CN CN2010205265218U patent/CN201763404U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899467A (en) * | 2012-12-26 | 2014-07-02 | 欧文秀 | Method and device for generating energy by utilizing atmospheric pressure and vacuum suction |
| CN103485961A (en) * | 2013-06-13 | 2014-01-01 | 王娟 | Vapor power cycle system and vapor power cycle method |
| CN103485961B (en) * | 2013-06-13 | 2015-12-23 | 王娟 | A kind of Steam Power Circulation system and Steam Power Circulation method |
| CN105114140A (en) * | 2015-07-23 | 2015-12-02 | 谢继波 | Accumulative cyclic energy utilization device |
| CN111648910A (en) * | 2020-06-10 | 2020-09-11 | 天津农学院 | Automatic tidal power generation simulation device and control method thereof |
| CN112648030A (en) * | 2021-01-06 | 2021-04-13 | 武瑞香 | Circulating water energy-saving utilization device of thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20130913 |