CN104018900A - Thermoelectric unit water and energy saving device - Google Patents
Thermoelectric unit water and energy saving device Download PDFInfo
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- CN104018900A CN104018900A CN201410255463.2A CN201410255463A CN104018900A CN 104018900 A CN104018900 A CN 104018900A CN 201410255463 A CN201410255463 A CN 201410255463A CN 104018900 A CN104018900 A CN 104018900A
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Abstract
The invention relates to hot-pressing steam boilers 4 and related technical devices and facilities helping to green development, in particular to a thermoelectric unit water and energy saving device, and belongs to the technical field of high-end device manufacturing, the low carbon technology, resource saving, energy saving, environment friendliness, new energy and the like. According to the technical scheme, the thermoelectric unit water and energy saving device aims at making the implementing technology of a single set or multiple sets of closed hot-pressing heat preservation water storage tanks 3 and the implementing technology of the hot-pressing steam boilers 4 and the related technical devices and facilities integrated in a butt joint mode. The thermoelectric unit water and energy saving device is technically characterized in that hot-temperature waste heat steam 1 and high heat working condition water 2 are in circulation and interactive exchange. The thermoelectric unit water and energy saving device is mainly used for making circulating cooling water cooling condensation eliminated and replaced by steam-water mixed hot-pressing heat exchange condensation and heater heating eliminated and replaced by hot-temperature waste heat steam heating, so as to effectively save water resources, avoid heat and heat energy losses, reduce physical energy consumption such as coal power and reduce air pollutant emission.
Description
Technical field
This device relates to high-end equipment manufacture, low-carbon technology, economizes on resources, energy-conserving and environment-protective, new energy etc. contribute to Green Development relatively with fire coal, combustion gas, fuel oil, nuclear fuel ... be the improvement innovation of the hot pressing steam wheel unit technical equipment facility of working medium.
Background technique
The water saving joint installations and facilities of existing thermoelectricity plant steam turbine hot pressing boiler and other process heat pressure steam boiler are mainly that the waste hot steam after acting is entered in vapour condenser and condenses into water by circulating cooling water cooling, after being boosted by condensate pump, enter chlorine remover through gland heater, low-pressure heater, then by feed water pump, the water in feed tank is got through three high-pressure heaters and entered boiler economizer.
The condensing facility of thermoelectricity plant is that open cooling tower all adopts hyperbola profile at present, and turriform is higher.Due to upper and lower air pressure difference, just there is wind to enter at the bottom of tower, flow out from tower top.Hot water out from steam turbine generator condenser is got to water tower middle part and be injected into drops, water droplet falls, and cold wind rises, thereby cooling hot water and has heated air, makes air flowing in water tower faster, the better effects if of cooling hot water.The water droplet being cooled drops in the pond at the bottom of tower and regains, and again squeezes into the coagulator of steam turbine generator, continues circulation.
Its defect is:
1, heated airflow can only rise, this natural phenomenon that can not decline and regularly restriction, high temperature waste hot steam after air after heating and acting superposes mutually, acting in conjunction, high temperature waste hot steam and contained steam are descended in a steady stream to the lifting of disconnected ground and is discharged in upper atmosphere, caused [moisture content and heat loss] in the high temperature waste hot steam exceeding more than 80%.
2, high temperature waste hot steam condenses into after water through cold vapour condenser is cooling, then after the heating of heating for multiple times device, could use from new input, its heating procedure that freeze, inevitable [significantly increase progressively the correspondingly physics energy consumption such as coal electricity].
3, water resources runs off and the physics energy consumption such as coal electricity ground significantly increases continuously, not only strengthens the operation cost of thermoelectricity unit, has also increased the weight of the external pressures such as [containing pollutant steam and the discharge of sulfur dioxide flue dust overdose] in upper atmosphere.
The water resources of China and the Ecological Fragility of fossil energy are under world average level, because industrial society excessively unfeelingly robs nature with economic index growth pattern, cause [environment severe exacerbation, water resources and power source are exhausted increasingly], the pressure that the unsustainable factors such as short water supply, energy shortage, pollution of atmosphere aggravation cause further increases, and approaches limiting value.In the face of existence worthy of the name threatens, carrying out cleaner production and recycling economy is the inevitable choice that overcomes China's sustainable development " bottleneck ".
Summary of the invention
This device is by by single group or organize sealed mode hot pressing insulation water storage box more and implement interface differential technique integration with hot pressing steam boiler and relevant device facility, high temperature waste hot steam and the conversion of heat-flash operating mode water body circular interaction, realize with steam-water mixing hot pressing heat exchange [substituting] [giving up] circulating cooling water cooling of condensing and condensing, heat with high temperature waste hot steam heating [substituting] [giving up] heater, effectively saving water resource, evade heat heat energy dissipation, reduce coal electricity and wait physics energy consumption, reduce Air Pollutant Emission.
Technological scheme
This device is by inhalation type hot pressing steam vapor extractor, the high temperature waste hot steam of discharge after steam turbine acting is reclaimed completely, inject the relatively low water body of sealed mode hot pressing insulation retaining the temperature inside the box, condense by steam-water mixing hot pressing heat exchange, realizing high temperature waste hot steam condenses completely and incorporates in low temperature water body, low temperature water body constantly absorbs the heat that high temperature waste hot steam condensation discharges, high temperature waste hot steam is cooling and be condensed into the aqueous solution by low temperature water body, in the time that the aqueous solution is heated to 90 DEG C of heat-flash operating mode water bodys of saturation temperature, after the cleaning such as decontamination deoxygenation dechlorination, refilled the ascension of vaporizing in thermoelectricity unit boiler furnace downside pot water, drive steam turbine rotor acting generating.
Know-why
In the time that high temperature waste hot steam mixes lower than the water body contact of its corresponding sealed mode insulation water storage box with temperature, in water body, will there is condensation heat transfer phenomenon, high temperature waste hot steam is emitted the latent heat of vaporization, condenses into water.This process is accompanied by phase transformation, has very high heat release coefficient (50～100kw/m
2dEG C).Therefore, while there is condensation process, have violent heating.Contact with high temperature waste hot steam while mixing, saturated water temperature is relatively low, the high temperature waste hot steam heat-flash operating mode water body that is easy to condense in the aqueous solution.Because condensation heat transfer is very violent, be easy to form the very large temperature difference in moment, cause the coefficient of heat transfer to increase.
Beneficial effect
This device passes through the complete recycling of high temperature waste hot steam after acting, and that can realize saving 100% may be discharged into high temperature waste hot steam and the heat in upper atmosphere, thereby water resources and heat loss are evaded in 100% ground, and realization recycles.
This device is with high temperature waste hot steam heating [substituting] [giving up] gland heater, low-pressure heater and organize high-pressure heater heating more, can save high temperature waste hot steam coolingly condensing, in the technological process such as heating, the inevitable significantly respective physical energy consumption such as coal electricity incrementally of corresponding heat energy heat and certainty that expend in a large number.
This device condenses with steam-water mixing hot pressing heat exchange [substituting] [giving up] circulating cooling water cooling of condensing, effectively having controlled the physics energy consumption ground such as water resources loss continuously and coal electricity significantly increases, not only significantly reduced the operation cost of thermoelectricity unit, also alleviated in upper atmosphere containing external pressures such as pollutant steam and sulfur dioxide flue dust overdose discharges.
This device [has been given up] cooling, the heating plant facilities such as vapour condenser, condensate pump, gland heater, low-pressure heater and some high-pressure heaters, boiler economizer, possess the valuable advantages such as investment is little, simple in structure, maintenance is convenient, open for the sector and kept away low cost, high efficiency, run space to high repayment rate.
If this device can obtain popularizing application in an all-round way, will greatly improve that water resources recycles and physical energy (coal, oil, rock gas, nuclear fuel etc.) medium tache conversion (generating, heat production, chemical industry, metallurgy, iron and steel) efficiency.
This device can promote China hinterland heat and power system year water withdrawal to drop to approximately 4,000,000,000 m by 83.7 hundred million m; Unit generated energy water withdrawal drops to about 1.6m Mwh by 2.45m/Mwh, approximately reduces by 50%; Waste water annual emissions drops to 500,000,000 m by 10.9 hundred million m, approximately reduces by 55%.More than saving power standard coal 1,500,000,000 T, be roughly equal to RMB 1.2 trillion yuan (conservative estimation).
This device can promote China hinterland, accounts for the total water withdrawal of the whole society taking the red-hot steam of hot pressing steam boiler generation high temperature as the industrial water withdrawal of working medium, by 1/4 left and right, is down to 1/8 left and right; Wherein adopt the high water usage industry water withdrawals such as thermoelectricity, iron and steel, weaving, papermaking, petrochemical industry and chemical industry, food and the fermentation of hot pressing steam boiler to account for industrial water withdrawal by 50% left and right, be down to 30% left and right.
This device will significantly reduce water resources and per Unit GDP Energy Consumption; make some countries and regions alleviate largely more and more larger ground shortage of water resources pressure and energy environment pressure; break away from because production capacity expands and cause the fossil energy crises such as serious restriction economic construction development ground, ground water is flurried, coal flurried, electricity flurried, gas is flurried, oil is flurried; this technique device possesses the potential of obvious raising level of industrial technology and economic benefit; there is surging international economic competition ability, may be significant to national interests and public interest.
Brief description of the drawings
Fig. 1 is save water and energy device high temperature waste hot steam and the concise and to the point circular chart of heat-flash operating mode water body of a kind of thermoelectricity unit; Fig. 2 is save water and energy device high temperature waste hot steam and heat-flash operating mode water body circular chart of a kind of thermoelectricity unit; Fig. 3 is a kind of thermoelectricity unit device technique flow chart of saving water and energy.
Specific embodiments
(1), will possess with fire coal, combustion gas, fuel oil, nuclear fuel ... for the hot pressing steam of working medium is taken turns 4. [hot pressing steam boiler] technique devices of industry such as unit, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(2), will possess taking 4. [hot pressing steam boiler] and produce 1. [high temperature waste hot steam] installations and facilities as industrial high water usage industry boilers such as thermoelectricity, iron and steel, weaving, papermaking, petrochemical industry and chemical industry, food and the fermentations of working medium, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(3) will possess by 5. [inhalation type hot pressing steam vapor extractor], 7. [cyclic steam heat pump], 3. [sealed mode hot pressing insulation water storage box], installations and facilities that 8. installations and facilities such as [hot pressing water transport pump] and connecting tube, valve and annex between them form of single group or many groups, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(4), to possess continual 1. [high temperature waste hot steam] after acting through 5. [inhalation type hot pressing steam vapor extractor], 7. [cyclic steam heat pump], directly being imported 3. [sealed mode hot pressing insulation water storage box] directly contacts generation steam-water mixing hot pressing heat exchange with water body in casing and condenses, water temperature in inevitable continuous heating water storage box, the 2. installations and facilities of [heat-flash operating mode water body] of 90 DEG C of temperature until it reaches capacity, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(5), to possess 2. [heat-flash operating mode water body] in 90 DEG C of saturation temperature after the cleaning such as decontamination dechlorination, stood by 8. [hot pressing water transport pump], hot pressing water transport pipeline imports thermoelectricity unit 4. under [hot pressing steam boiler] furnace wall in side wall in the flat thermal condition water body in low temperature area of 40 DEG C Celsius, inevitable continuous heating pot water, promote its intensification and keep the 2. installations and facilities of [heat-flash operating mode water body] of 90 DEG C of saturation temperature, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(6), will possess 4. 2. [heat-flash operating mode water body] in [hot pressing steam boiler] of 90 DEG C of the saturation temperature of maintenance, the hot flame red-hot with burner hearth superposes mutually, acting in conjunction, must increase substantially the coefficient of heat transfer and 4. [hot pressing steam boiler] thermal efficiency, relatively reduce pot water preheat and the installations and facilities of carbonated drink ascension time, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(7), will possess 5. [inhalation type hot pressing steam vapor extractor], 3. closed loop device such as [sealed mode hot pressing insulation water storage box], 1. 2. [high temperature waste hot steam] all can be reclaimed and condense into [heat-flash operating mode water body], the installations and facilities that enforcement recycles, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
(8), will possess 1. the heat content of [high temperature waste hot steam], be enough to ensure thermoelectricity unit 4. [hot pressing steam boiler] continue in 2. [heat-flash operating mode water body] of 90 DEG C of saturation temperature, continue ascension vaporization, drive the 6. installations and facilities of [steam turbine] rotor acting generating, condense in [substituting] [giving up] circulating cooling water cooling of condensing with steam-water mixing hot pressing heat exchange, add and hanker application with high temperature waste hot steam heating [substituting] [giving up] heater.
Claims (1)
1. the thermoelectricity unit device of saving water and energy.Its technical characteristics is: by by single group or many groups 3. [sealed mode hot pressing insulation water storage box] implement interface differential technique with 4. [hot pressing steam boiler] and integrate, 1. [high temperature waste hot steam] and 2. [heat-flash operating mode water body] circular interaction conversion, realize with steam-water mixing hot pressing heat exchange [substituting] [giving up] circulating cooling water cooling of condensing and condensing, heat with high temperature waste hot steam heating [substituting] [giving up] heater, thereby effectively saving water resource, evade heat heat energy dissipation, reduce coal electricity and wait physics energy consumption, reduce Air Pollutant Emission.Comprise:
(1), possess with fire coal, combustion gas, fuel oil, nuclear fuel ... for the hot pressing steam of working medium is taken turns 4. [hot pressing steam boiler] technique devices of industry such as unit, the application of saving water and energy in device at a kind of thermoelectricity unit.
(2), possess taking 4. [hot pressing steam boiler] and produce 1. [high temperature waste hot steam] installations and facilities as industrial high water usage industry boilers such as thermoelectricity, iron and steel, weaving, papermaking, petrochemical industry and chemical industry, food and the fermentations of working medium, the application of saving water and energy in device at a kind of thermoelectricity unit.
(3), possess by 5. [inhalation type hot pressing steam vapor extractor], 7. [cyclic steam heat pump], 3. [sealed mode hot pressing insulation water storage box], installations and facilities that 8. installations and facilities such as [hot pressing water transport pump] and connecting tube, valve and annex between them form of single group or many groups, the application of saving water and energy in device at a kind of thermoelectricity unit.
(4), possesses continual 1. [high temperature waste hot steam] after acting through 5. [inhalation type hot pressing steam vapor extractor], 7. [cyclic steam heat pump], directly being imported 3. [sealed mode hot pressing insulation water storage box] directly contacts generation steam-water mixing hot pressing heat exchange with water body in casing and condenses, water temperature in inevitable continuous heating water storage box, the 2. installations and facilities of [heat-flash operating mode water body] of 90 DEG C of temperature until it reaches capacity, the application of saving water and energy in device at a kind of thermoelectricity unit.
(5), possess 2. [heat-flash operating mode water body] in 90 DEG C of saturation temperature after the cleaning such as decontamination dechlorination, stood by 8. [hot pressing water transport pump], hot pressing water transport pipeline imports thermoelectricity unit 4. under [hot pressing steam boiler] furnace wall in side wall in the flat thermal condition water body in low temperature area of 40 DEG C Celsius, inevitable continuous heating pot water, promote its intensification and keep the 2. installations and facilities of [heat-flash operating mode water body] of 90 DEG C of saturation temperature, the application of saving water and energy in device at a kind of thermoelectricity unit.
(6), possess 4. 2. [heat-flash operating mode water body] in [hot pressing steam boiler] of 90 DEG C of the saturation temperature of maintenance, the hot flame red-hot with burner hearth superposes mutually, acting in conjunction, must increase substantially the coefficient of heat transfer and 4. [hot pressing steam boiler] thermal efficiency, relatively reduce pot water preheat and the installations and facilities of carbonated drink ascension time, the application of saving water and energy in device at a kind of thermoelectricity unit.
(7), possess 5. [inhalation type hot pressing steam vapor extractor], 3. closed loop device such as [sealed mode hot pressing insulation water storage box], 1. 2. [high temperature waste hot steam] all can be reclaimed and condense into [heat-flash operating mode water body], the installations and facilities that enforcement recycles, the application of saving water and energy in device at a kind of thermoelectricity unit.
(8), possesses 1. the heat content of [high temperature waste hot steam], be enough to ensure thermoelectricity unit 4. [hot pressing steam boiler] continue in 2. [heat-flash operating mode water body] of 90 DEG C of saturation temperature, continue ascension vaporization, drive the 6. installations and facilities of [steam turbine] rotor acting generating, the application of saving water and energy in device at a kind of thermoelectricity unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255463.2A CN104018900A (en) | 2014-06-09 | 2014-06-09 | Thermoelectric unit water and energy saving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255463.2A CN104018900A (en) | 2014-06-09 | 2014-06-09 | Thermoelectric unit water and energy saving device |
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| CN104018900A true CN104018900A (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410255463.2A Pending CN104018900A (en) | 2014-06-09 | 2014-06-09 | Thermoelectric unit water and energy saving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798158A (en) * | 2019-01-10 | 2019-05-24 | 贵州财经大学 | A kind of energy-efficient thermal power plant's power generation Optimizing manufacture control device |
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| JPS61212612A (en) * | 1985-03-19 | 1986-09-20 | Kawasaki Heavy Ind Ltd | Energy conversion system |
| CN1375622A (en) * | 2001-12-10 | 2002-10-23 | 李树生 | Exhaust steam recoverer and its corollary system |
| CN2818794Y (en) * | 2005-08-10 | 2006-09-20 | 杨君廷 | Self-adjusting water-jetting dead steam recovering device |
| CN1936477A (en) * | 2006-10-16 | 2007-03-28 | 李树生 | Low-condensed-water recovering system |
| CN1959069A (en) * | 2006-08-23 | 2007-05-09 | 李树生 | System of reclaiming exhaust steam in steam turbine |
| CN201416462Y (en) * | 2009-05-31 | 2010-03-03 | 北京凝汽动力技术有限公司 | Vacuum steam recovery device for steam turbine |
-
2014
- 2014-06-09 CN CN201410255463.2A patent/CN104018900A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61212612A (en) * | 1985-03-19 | 1986-09-20 | Kawasaki Heavy Ind Ltd | Energy conversion system |
| CN1375622A (en) * | 2001-12-10 | 2002-10-23 | 李树生 | Exhaust steam recoverer and its corollary system |
| CN2818794Y (en) * | 2005-08-10 | 2006-09-20 | 杨君廷 | Self-adjusting water-jetting dead steam recovering device |
| CN1959069A (en) * | 2006-08-23 | 2007-05-09 | 李树生 | System of reclaiming exhaust steam in steam turbine |
| CN1936477A (en) * | 2006-10-16 | 2007-03-28 | 李树生 | Low-condensed-water recovering system |
| CN201416462Y (en) * | 2009-05-31 | 2010-03-03 | 北京凝汽动力技术有限公司 | Vacuum steam recovery device for steam turbine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798158A (en) * | 2019-01-10 | 2019-05-24 | 贵州财经大学 | A kind of energy-efficient thermal power plant's power generation Optimizing manufacture control device |
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Application publication date: 20140903 |