CN101858320A - Solar heating and generating system and method for biological sewage treatment - Google Patents
Solar heating and generating system and method for biological sewage treatment Download PDFInfo
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- CN101858320A CN101858320A CN201010140987A CN201010140987A CN101858320A CN 101858320 A CN101858320 A CN 101858320A CN 201010140987 A CN201010140987 A CN 201010140987A CN 201010140987 A CN201010140987 A CN 201010140987A CN 101858320 A CN101858320 A CN 101858320A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a solar heating and generating system and a solar heating and generating method for biological sewage treatment. The solar heating and generating system comprises a solar thermal collector, a valve, a PLC control system, an online temperature tester, a heat-exchange heater, a turbine generator, a battery, a power distribution room and a switch. The solar heating and generating method comprises the following steps of: trapping heat by the solar thermal collector to heat transmission liquid flowing through the solar thermal collector so as to make the transmission liquid be vaporized; meanwhile, producing high-pressure and overheated steam in a thermal conversion device in an energy region; and then sending the steam to the heat-exchange heater to heat inflowing water or sending the steam to a conventional steam turbine generator to generate power. The solar heating and generating system and the solar heating and generating method of the invention are controlled by a computer program, so that the system and the method have high degree of automation and guarantee the operational stability of the device; the solar heating and generating system and the solar heating and generating method of the invention are both suitable for tapping the potential and upgrading the technology of the new and old sewage treatment plants, and when the potential of the old sewage treatment plants is tapped and the technology is upgraded, the original process structures thereof are not required to change; moreover, the solar heating and generating system and the solar heating generating method of the invention can not only improve the sewage treatment efficiency, but also provide electricity for the sewage treatment plants and reduce the power consumption of the sewage treatment plant.
Description
Technical field
The present invention relates to a kind of solar energy heating power generation system, is a kind of solar energy heating power generation system and electricity-generating method that is used for Sewage Biological Treatment specifically.
Background technique
Current social energy and environment problem has become the focus of common concern.In present global energy day by day under the intense situation, to the exploitation new energy technology and further the development and use renewable energy sources active demand has been proposed.The development and use renewable energy sources, protection and saving existing resource become the strategic issue that relates to human social.
In renewable energy sources, though China small power station and wind-powered electricity generation have reached commercial level, but their stock number and geographical distribution are limited after all, even all following demand is not satisfied in exploitation yet, have only " solar energy " to be only the renewable energy sources of potentialization.China's solar energy resources is very abundant, the most of area of China is positioned on the south 45 ° of the north latitude, the sunshine duration in area year in the whole nation 2/3 is more than 2300h, every square metre solar energy year radiation amount be 3340～8400MJ, the annual solar radiant energy that receives of top is equivalent to 17,000 hundred million tons of standard coals, and it is very extensive to distribute, and has the advantage of ubiquity, continuous utilization, can be the national economic development effective energy supply is provided.
In recent years, the number and the Processing capacity of China municipal sewage plant increase rapidly, but the higher problem of ubiquity operating cost wherein mainly is that power consumption is big.The energy that the municipal sewage plant consumes mainly comprises potential energy sources such as electricity and medicament, wherein power consumption accounts for 60%～90% of total energy consumption, and the sewage treatment power consumption accounts for 50%～80% of the total power consumption of full factory, and visible sewage treatment is the power consumption rich and influential family of treatment plant, just energy-conservation naturally emphasis.
Temperature is the principal element that influences the growth of microorganism activity, is mainly reflected in growth rate and active two aspects of microorganism.The suitable growth temperature of microorganism in the Sewage Biological Treatment is 15～35 ℃.When the growth rate of temperature microorganism during with actively obviously descend less than 15 ℃.When water temperature is lower than 10 ℃, 1 ℃ of every reduction, activation of microorganism all can significantly reduce, even loses activity.Thereby, when water temperature is low, make full use of existing clean energy resource to the Sewage Biological Treatment reaction tank water inlet heat and can obviously improve system handles efficient.
Thereby, in sewage biological treatment system, set up solar heating system, not only can improve sewage treating efficiency, and can provide electric energy for sewage treatment works, reduce the power consumption of Sewage Plant, thereby realize energy-saving and cost-reducing better.
Summary of the invention
The present invention seeks to provides in a kind of biological wastewater treatment process at the defective that prior art exists, and when low temperature sewage treatment plant inflow is heated, and excess energy can be changed into the device of electric energy.
The present invention adopts following technological scheme for achieving the above object:
The present invention is used for the solar energy heating power generation system of Sewage Biological Treatment, comprise solar thermal collector, two valves, the PLC control system, online temperature-indicating instrument, the heat exchange heater, turbogenerator, storage battery, switchgear room and switch, 1. wherein online temperature-indicating instrument places apart from the biological reaction pool water inlet, 1. online temperature-indicating instrument output terminal 1. is connected with the PLC control system, online temperature-indicating instrument 2. place biological reaction pool along the online temperature-indicating instrument of the water (flow) direction of water intake 1. after, 2. online temperature-indicating instrument output terminal 2. is connected with the PLC control system, 2. 1. PLC control system output terminal 1. be connected with valve with valve respectively, 1. valve places between solar thermal collector and the heat exchange heater, 2. valve places between solar thermal collector and the generator, the turbogenerator output terminal is connected in series storage battery successively and connects, switchgear room and switch, PLC control system output terminal 2. is connected with switch.
In the interior pipe of described heat exchange heater electric heater is installed also.
The electricity-generating method of solar energy heating power generation system that is used for Sewage Biological Treatment is as follows:
Solar thermal collector: collect heat, the conductive liquid of solar thermal collector is flow through in heating, makes the heat transfer oil vaporization, forms overheated steam;
When online temperature-indicating instrument 1. during the temperature of feedback＜20 ℃, 1. valve is opened, and 2. valve is fastened, and steam enters the heat exchange heater, and the heat exchange heater heats water inlet;
When online temperature-indicating instrument 1. during the temperature of feedback＞25 ℃, 1. valve is opened, and 2. valve is opened, and steam enters turbogenerator, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room through storage battery;
When online temperature-indicating instrument 1. the temperature of feedback between 20 ℃ between 25 ℃ the time, valve is 1. closed, 2. valve is opened, steam enters heat exchange heater and turbogenerator simultaneously, the heat exchange heater heats water inlet, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room through storage battery;
When online temperature-indicating instrument 2. during the temperature of feedback＜20 ℃, switch on, switchgear room is powered to the heat exchange heater, and the internal water inlet tube heating of steam is carried out simultaneously with the electric heater heating in the heat exchange heater;
When online temperature-indicating instrument 2. during the temperature of feedback＞20 ℃, switch disconnects, and switchgear room stops the heat exchange heater is powered, and only carries out the internal water inlet tube heating of steam in the heat exchange heater.
Solar energy heating power generation system in the described water treatment of the application of the invention can heat water inlet, and microorganism is to the degradation efficiency of pollutant in the raising water treatment procedure.Simultaneously, unnecessary ability can also be converted to electric energy, sends into the power supply chamber, saves the power consumption of sewage treatment works.
Advantage of the present invention is:
1, for sewage treatment works provides the equipment that can heat simultaneously and generate electricity, improves the efficient of microbiological degradation pollutant, reduced the power consumption of Sewage Plant simultaneously;
2, whole system adopts computer program control, and the automaticity height has guaranteed the stability that device moves;
3, without the land occupation resource, the energy-conservation project that is combined as a whole with building;
4, both be applicable to newly-built sewage treatment works, also be fit to tapping the potential and upgrade technologically of old sewage treatment works, and need not change original process structure substantially tapping the potential and upgrade technologically of old sewage treatment works;
5, owing to the water temperature stability of intaking after this system of employing, thereby make the sewage treatment microbial activity high and stable, can guarantee stable water flow quality.
Description of drawings
Fig. 1 is a flow chart of the present invention;
Fig. 2 is a heat exchange heater sectional drawing.
Embodiment
Below in conjunction with accompanying drawing the present invention and embodiment thereof are described in further detail.
The solar energy heating power generation system that is used for Sewage Biological Treatment comprises: solar thermal collector, valve, PLC control system, online temperature-indicating instrument, heat exchange heater, turbogenerator, storage battery, switchgear room, switch.
Solar thermal collector is collected heat, the conductive liquid of solar thermal collector is flow through in heating, make the heat transfer oil vaporization, in the thermal conversion equipment of energy range, produce simultaneously high pressure, overheated steam, send in the heat exchange heater heating water inlet then or send in the conventional steam turbin generator and generate electricity.
Online temperature-indicating instrument is used to measure the biological reaction pool water temperature.1. online temperature-indicating instrument places the place apart from biological reaction pool water intake 1～2m, is used to measure the water temperature of utilizing after the solar energy heating, and 1. online temperature-indicating instrument output terminal 1. is connected with the PLC control system.2. online temperature-indicating instrument places along the 1. back 1～2m of the online temperature-indicating instrument of the water (flow) direction of water intake place, is used for measuring entering water temp after solar energy and electric heating, and 2. online temperature-indicating instrument output terminal 2. is connected with the PLC control system.
2. 1. PLC control system output terminal 1. be connected with valve with valve, and 1. valve is controlled and placed between solar thermal collector and the heat exchange heater, and 2. valve places between solar thermal collector and the generator, is used to control the delivery of steam direction.
The sectional drawing of heat exchange heater such as accompanying drawing 2, overheated the steam internally water inlet of pipe heat.In pipe electric heater is installed, when the steam that transforms all is used for the heating water inlet when still not reaching temperature requirement, switch on, switchgear room provides power supply, the internal water inlet tube heating of steam this moment is carried out simultaneously with the electric heater heating.
Turbogenerator is converted into electric energy with heat energy, and output terminal is connected with storage battery, through storage battery the electric energy that produces is sent into switchgear room.
PLC control system output terminal 2. links to each other with switch, and when switch on, the power supply chamber is to the heat exchange heating installation power supply; When switch disconnected, the power supply chamber stopped to the heat exchange heating installation power supply.
Operation of the present invention is as follows:
Solar thermal collector is collected heat, and the conductive liquid of solar thermal collector is flow through in heating, makes the heat transfer oil vaporization, forms overheated steam;
When online temperature-indicating instrument 1. during the temperature of feedback＜20 ℃, 1. valve is opened, and 2. valve is fastened, and steam enters the heat exchange heater, and the heat exchange heater heats water inlet;
When online temperature-indicating instrument 1. during the temperature of feedback＞25 ℃, 1. valve is opened, and 2. valve is opened, and steam enters turbogenerator, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room;
When online temperature-indicating instrument 1. the temperature of feedback between 20 ℃ between 25 ℃ the time, valve is 1. closed, 2. valve is opened, steam enters heat exchange heater and turbogenerator simultaneously, the heat exchange heater heats water inlet, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room;
When online temperature-indicating instrument 2. during the temperature of feedback＜20 ℃, switch on, switchgear room is powered to the heat exchange heater, and the internal water inlet tube heating of steam is carried out simultaneously with the electric heater heating in the heat exchange heater;
When online temperature-indicating instrument 2. during the temperature of feedback＞20 ℃, switch disconnects, and switchgear room stops the heat exchange heater is powered, and only carries out the internal water inlet tube heating of steam in the heat exchange heater.
Claims (3)
1. solar energy heating power generation system that is used for Sewage Biological Treatment, it is characterized in that comprising solar thermal collector, two valves, the PLC control system, online temperature-indicating instrument, the heat exchange heater, turbogenerator, storage battery, switchgear room and switch, 1. wherein online temperature-indicating instrument places apart from the biological reaction pool water inlet, 1. online temperature-indicating instrument output terminal 1. is connected with the PLC control system, online temperature-indicating instrument 2. place biological reaction pool along the online temperature-indicating instrument of the water (flow) direction of water intake 1. after, 2. online temperature-indicating instrument output terminal 2. is connected with the PLC control system, 2. 1. PLC control system output terminal 1. be connected with valve with valve respectively, 1. valve places between solar thermal collector and the heat exchange heater, 2. valve places between solar thermal collector and the generator, the turbogenerator output terminal is connected in series storage battery successively and connects, switchgear room and switch, PLC control system output terminal 2. is connected with switch.
2. the solar energy heating power generation system that is used for Sewage Biological Treatment according to claim 1 is characterized in that in the interior pipe of described heat exchange heater electric heater being installed also.
3. electricity-generating method that is used for the solar energy heating power generation system of Sewage Biological Treatment is characterized in that:
Solar thermal collector: collect heat, the conductive liquid of solar thermal collector is flow through in heating, makes the heat transfer oil vaporization, forms overheated steam;
When online temperature-indicating instrument 1. during the temperature of feedback＜20 ℃, 1. valve is opened, and 2. valve is fastened, and steam enters the heat exchange heater, and the heat exchange heater heats water inlet;
When online temperature-indicating instrument 1. during the temperature of feedback＞25 ℃, 1. valve is opened, and 2. valve is opened, and steam enters turbogenerator, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room through storage battery;
When online temperature-indicating instrument 1. the temperature of feedback between 20 ℃ between 25 ℃ the time, valve is 1. closed, 2. valve is opened, steam enters heat exchange heater and turbogenerator simultaneously, the heat exchange heater heats water inlet, and turbo machine is converted into electric energy with heat energy, and the electricity that will produce is sent into switchgear room through storage battery;
When online temperature-indicating instrument 2. during the temperature of feedback＜20 ℃, switch on, switchgear room is powered to the heat exchange heater, and the internal water inlet tube heating of steam is carried out simultaneously with the electric heater heating in the heat exchange heater;
When online temperature-indicating instrument 2. during the temperature of feedback＞20 ℃, switch disconnects, and switchgear room stops the heat exchange heater is powered, and only carries out the internal water inlet tube heating of steam in the heat exchange heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010140987A CN101858320A (en) | 2010-04-07 | 2010-04-07 | Solar heating and generating system and method for biological sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010140987A CN101858320A (en) | 2010-04-07 | 2010-04-07 | Solar heating and generating system and method for biological sewage treatment |
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| CN101858320A true CN101858320A (en) | 2010-10-13 |
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| CN201010140987A Pending CN101858320A (en) | 2010-04-07 | 2010-04-07 | Solar heating and generating system and method for biological sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282741A (en) * | 2019-06-25 | 2019-09-27 | 沈阳工大蓝金环保产业技术研究院有限公司 | A kind of low temperature resistant dispersant type domestic wastewater processing integration apparatus and its processing method |
Citations (4)
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|---|---|---|---|---|
| DE4126036A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas and steam turbine plant with solar heated system generator - with generator connected to heat exchanger in h.p. steam line from waste heat steam generator |
| CN101261001A (en) * | 2008-04-17 | 2008-09-10 | 华北电力大学 | Solar energy assisted coal fired thermal power plant integrated backheating device |
| CN201190639Y (en) * | 2008-05-22 | 2009-02-04 | 吴中华 | High-power solar storage type steam turbine generation system |
| CN101680649A (en) * | 2007-03-20 | 2010-03-24 | 西门子公司 | The method and apparatus of resuperheater burning when solar energy direct boiling in solar thermal power plants |
-
2010
- 2010-04-07 CN CN201010140987A patent/CN101858320A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4126036A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas and steam turbine plant with solar heated system generator - with generator connected to heat exchanger in h.p. steam line from waste heat steam generator |
| CN101680649A (en) * | 2007-03-20 | 2010-03-24 | 西门子公司 | The method and apparatus of resuperheater burning when solar energy direct boiling in solar thermal power plants |
| CN101261001A (en) * | 2008-04-17 | 2008-09-10 | 华北电力大学 | Solar energy assisted coal fired thermal power plant integrated backheating device |
| CN201190639Y (en) * | 2008-05-22 | 2009-02-04 | 吴中华 | High-power solar storage type steam turbine generation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282741A (en) * | 2019-06-25 | 2019-09-27 | 沈阳工大蓝金环保产业技术研究院有限公司 | A kind of low temperature resistant dispersant type domestic wastewater processing integration apparatus and its processing method |
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Open date: 20101013 |