CN203531988U - Waste heat power generating and hot water supplying system - Google Patents
Waste heat power generating and hot water supplying system Download PDFInfo
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- CN203531988U CN203531988U CN201320531592.0U CN201320531592U CN203531988U CN 203531988 U CN203531988 U CN 203531988U CN 201320531592 U CN201320531592 U CN 201320531592U CN 203531988 U CN203531988 U CN 203531988U
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- steam
- vapour condenser
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
A waste heat power generating and hot water supplying system comprises a steam boiler, a steam turbine, a power generator, a deoxidizing and water supplying device and a heat exchanger. The steam boiler is connected with the steam turbine, the deoxidizing and water supplying device and the heat exchanger, and the deoxidizing and water supplying device is further connected with the steam turbine. The deoxidizing and water supplying device comprises a condenser, a steam condensing water jet pump, a steam condensing water pump, a steam condenser water jet air ejector and a deoxidizer. The steam condenser is connected with the steam condensing water pump and the steam condenser water jet air ejector through pipelines, the steam condensing water jet pump is connected with the steam condenser water jet air ejector through a pipeline, the steam condensing water pump is connected with a deoxidizing head of the deoxidizer through a pipeline, and an air pipe of the deoxidizer is connected with the steam condenser through a pipeline so as to pump out oxygen in the deoxidizer through the negative pressure state of the steam condenser. The heat exchanger comprises a shell allowing smoke to pass through and at least one heat exchanging pipe. The heat exchanging pipe is arranged in the shell allowing smoke to pass through, the heat exchanging pipe is provided with a cold water inlet and a hot water outlet, and smoke is communicated with a smoke exhaust port of the steam boiler through a smoke inlet of the shell.
Description
Technical field
The utility model relates to heat recovery technical field in metallurgical process, particularly a kind of cogeneration and hot water supply system.
Background technique
At present, in various field of industrial productions, need a large amount of energy consumptions, in production process by various thermal power transfer equipment, with producing and unemployed heat energy in equipment, and can produce in process of production a large amount of various forms of waste heats, the source of waste heat mainly contains industrial exhaust gas waste heat, the waste heat of high-temperature product and slag, the waste heat of cooling medium, what in chemical reaction process, generate abandons heat, combustible exhaust gas, waste material, the heat energy of waste liquid and waste vapour, the waste heat of waste water, and the evenly heat efficiency of industrial boiler only has 67 ﹪, remaining energy passes through the useless fume emission of high temperature in the middle of atmosphere, cause great waste.
The UTILIZATION OF VESIDUAL HEAT IN of Boiler Manufacturing Industry is an important topic at present energy-conservation, and it has very high economic benefit and social benefit.For example, the smelting furnace UTILIZATION OF VESIDUAL HEAT IN in Boiler Manufacturing Industry, is converted to other energy by the used heat that smelting furnace is discharged, as electric energy, steam-energy or directly go to drive other machinery and heat supply as power.
For example, the afterheat generating system 10 that utilizes residual heat from boiler fume to generate electricity in prior art, referring to Fig. 1, this afterheat generating system 10 is roughly comprised of steam boiler 11, steam turbine 12, generator 13, deaerated feedwater device 14, deaerated feedwater device 14 is for removing the oxygen of softened water and condensed water, and the condensed water after deoxygenation, softened water are flowed to steam boiler 11 to realize, recycles; Steam boiler 11 is for receiving the high-temperature flue gas of carrying from smelting furnace, and utilize softened water that high-temperature flue gas heating deaerated feedwater device 14 carries and condensed water to produce steam, and steam is flowed to steam turbine 12, the rotor shaft of steam turbine 12 is connected with the rotor shaft of generator 13, the steam that enters the steam chamber of steam turbine 12 does work so that the rotor shaft of steam turbine 12 rotates, and then drive the rotor shaft of generator 13 to rotate, and finally realize cogeneration.Yet waste heat of the prior art also exists the problem that can not make full use of, for example, heat energy in the tail flue gas that steam boiler 11 is discharged does not utilize, and directly enters atmosphere.
Summary of the invention
In view of this, be necessary to provide a kind of cogeneration and hot water supply system that makes full use of residual heat from boiler fume.
A kind of cogeneration and hot water supply system, comprise steam boiler, steam turbine, generator, deaerated feedwater device and heat exchanger, steam boiler is connected with steam turbine, deaerated feedwater device, heat exchanger, and steam turbine is also connected with generator, and deaerated feedwater device is also connected with steam turbine.Deaerated feedwater device comprises vapour condenser, condensing water-jet pump, condensing water pump, vapour condenser water jet air ejector, oxygen-eliminating device, vapour condenser is connected by pipeline with condensing water pump, vapour condenser water jet air ejector, condensing water-jet pump is connected by pipeline with vapour condenser water jet air ejector, condensing water pump is connected with the deoxygenation head of oxygen-eliminating device by pipeline, the air duct of oxygen-eliminating device is connected with the negative pressure state by vapour condenser the oxygen in oxygen-eliminating device is extracted out by pipeline with vapour condenser, and discharges by vapour condenser water jet air ejector; Heat exchanger comprises that flue gas passes through housing, at least one heat exchanging tube, and heat exchanging tube is arranged on flue gas by housing, and heat exchanging tube has cold water inlet, hot water outlet, and flue gas is communicated with the smoke exhaust port of steam boiler by the mouth that enters of housing.
Preferably, flue gas is square box shape by housing, and heat exchanging tube is finned fin tube.
Preferably, vapour condenser is apportion two road control surface formula vapour condenser, and the gas side of the air duct of oxygen-eliminating device and vapour condenser is by pipeline communication, being connected with condensing water pump by pipeline for collecting the draining well of condensed water of vapour condenser.
Utilize above-mentioned cogeneration and hot water supply system to carry out residual heat from boiler fume generating and hot water for seasonable, steam boiler and steam turbine, deaerated feedwater device, heat exchanger connects, vapour condenser and condensing water-jet pump, condensing water pump, vapour condenser water jet air ejector connects by pipeline, condensing water pump is connected with the deoxygenation head of oxygen-eliminating device by pipeline, the air duct of oxygen-eliminating device is connected with the negative pressure state by vapour condenser the oxygen in oxygen-eliminating device is extracted out by pipeline with vapour condenser, and discharge by vapour condenser water jet air ejector, the heat exchanging tube of heat exchanger is arranged on flue gas by housing, and heat exchanging tube has cold water inlet, hot water outlet, flue gas is communicated with the smoke exhaust port of steam boiler by the mouth that enters of housing, the waste heat of the tail flue gas that so heat exchanger is discharged steam boiler passes to the cold water flowing through in heat exchanging tube, so that cold water temperature is elevated to 100 degree left and right, for millworker, use.
Accompanying drawing explanation
Accompanying drawing 1 is the high-level schematic functional block diagram of afterheat generating system of the prior art.
Accompanying drawing 2 is the cogeneration of a better embodiment and the high-level schematic functional block diagram of hot water supply system.
Accompanying drawing 3 is structural representations of Fig. 1 heat exchanger.
In figure: afterheat generating system 10, steam boiler 11, steam turbine 12, generator 13, deaerated feedwater device 14, vapour condenser 141, condensing water-jet pump 142, condensing water pump 143, vapour condenser water jet air ejector 144, oxygen-eliminating device 145, oxygen-eliminating device vacuum cycle pump 146, afterheat generating system 20, steam boiler 30, steam turbine 40, generator 50, deaerated feedwater device 60, vapour condenser 61, condensing water-jet pump 62, condensing water pump 63, vapour condenser water jet air ejector 64, oxygen-eliminating device 65, heat exchanger 80, flue gas is by housing 81, heat exchanging tube 82.
Embodiment
Referring to Fig. 2, afterheat generating system 20 comprises steam boiler 30, steam turbine 40, generator 50, deaerated feedwater device 60 and heat exchanger 80.
Deaerated feedwater device 60 is for removing the oxygen of softened water and condensed water, and the condensed water after deoxygenation, softened water are flowed to steam boiler 30.
In the present embodiment, deaerated feedwater device 60 comprises vapour condenser 61, condensing water-jet pump 62, condensing water pump 63, vapour condenser water jet air ejector 64, oxygen-eliminating device 65, vapour condenser 61 and condensing water pump 63, vapour condenser water jet air ejector 64 connects by pipeline, condensing water-jet pump 62 is connected by pipeline with vapour condenser water jet air ejector 64, condensing water pump 63 is connected with the deoxygenation head of oxygen-eliminating device 61 by pipeline, the air duct of oxygen-eliminating device 65 is connected with the negative pressure state by vapour condenser 61 oxygen in oxygen-eliminating device 65 is extracted out by pipeline with vapour condenser 61, and discharge by vapour condenser water jet air ejector 64.Wherein, condensing water pump 63 is delivered to oxygen-eliminating device 65 by the condensed water in vapour condenser 61, and vapour condenser water jet air ejector 64 adopts water-jetting steam extractor open cycle way of supplying water to realize and bleeds; Vapour condenser 61 is apportion two road control surface formula vapour condenser, and the gas side of the air duct of oxygen-eliminating device 65 and vapour condenser 61 is by pipeline communication, being connected with condensing water pump 63 by pipeline for collecting the draining well of condensed water of vapour condenser 61; Referring to Fig. 3, heat exchanger 80 comprises that flue gas passes through housing 81, at least one heat exchanging tube 82, heat exchanging tube 82 is arranged on flue gas by housing 81, and heat exchanging tube 82 has cold water inlet, hot water outlet, and flue gas is communicated with the smoke exhaust port of steam boiler 30 by the mouth that enters of housing 81.
Utilize above-mentioned cogeneration and hot water supply system 20 to carry out residual heat from boiler fume generating and hot water for seasonable, steam boiler 30 and steam turbine 40, deaerated feedwater device 60, heat exchanger 80 connects, vapour condenser 61 and condensing water-jet pump 62, condensing water pump 63, vapour condenser water jet air ejector 64 connects by pipeline, condensing water pump 63 is connected with the deoxygenation head of oxygen-eliminating device 65 by pipeline, the air duct of oxygen-eliminating device 65 is connected with the negative pressure state by vapour condenser 61 oxygen in oxygen-eliminating device 65 is extracted out by pipeline with vapour condenser 61, and discharge by vapour condenser water jet air ejector 64, so do not need oxygen-eliminating device vacuum cycle pump to provide subnormal ambient for oxygen-eliminating device 65, just can realize the softened water that enters in oxygen-eliminating device 65 and the deoxygenation of condensed water, in above-mentioned cogeneration and hot water supply system 20 owing to not needing to use oxygen-eliminating device vacuum cycle pump, so not only can improve by reducing electric energy loss the generating efficiency of above-mentioned afterheat generating system, but also reduced the construction cost of above-mentioned afterheat generating system, in addition, the heat exchanging tube 82 of heat exchanger 80 is arranged on flue gas by housing 81, and heat exchanging tube 82 has cold water inlet, hot water outlet, flue gas is communicated with the smoke exhaust port of steam boiler 30 by the mouth that enters of housing 81, the waste heat of the tail flue gas that so heat exchanger 80 is discharged steam boiler 30 passes to the cold water flowing through in heat exchanging tube 81, so that cold water temperature is elevated to 100 degree left and right, for millworker, use.
Claims (3)
1. a cogeneration and hot water supply system, it is characterized in that: comprise steam boiler, steam turbine, generator, deaerated feedwater device and heat exchanger, steam boiler is connected with steam turbine, deaerated feedwater device, heat exchanger, steam turbine is also connected with generator, and deaerated feedwater device is also connected with steam turbine; Deaerated feedwater device comprises vapour condenser, condensing water-jet pump, condensing water pump, vapour condenser water jet air ejector, oxygen-eliminating device, vapour condenser is connected by pipeline with condensing water pump, vapour condenser water jet air ejector, condensing water-jet pump is connected by pipeline with vapour condenser water jet air ejector, condensing water pump is connected with the deoxygenation head of oxygen-eliminating device by pipeline, the air duct of oxygen-eliminating device is connected with the negative pressure state by vapour condenser the oxygen in oxygen-eliminating device is extracted out by pipeline with vapour condenser, and discharges by vapour condenser water jet air ejector; Heat exchanger comprises that flue gas passes through housing, at least one heat exchanging tube, and heat exchanging tube is arranged on flue gas by housing, and heat exchanging tube has cold water inlet, hot water outlet, and flue gas is communicated with the smoke exhaust port of steam boiler by the mouth that enters of housing.
2. cogeneration according to claim 1 and hot water supply system, is characterized in that: flue gas is square box shape by housing, and heat exchanging tube is finned fin tube.
3. cogeneration according to claim 1 and hot water supply system, it is characterized in that: vapour condenser is apportion two road control surface formula vapour condenser, the gas side of the air duct of oxygen-eliminating device and vapour condenser is by pipeline communication, being connected with condensing water pump by pipeline for collecting the draining well of condensed water of vapour condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531592.0U CN203531988U (en) | 2013-08-29 | 2013-08-29 | Waste heat power generating and hot water supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531592.0U CN203531988U (en) | 2013-08-29 | 2013-08-29 | Waste heat power generating and hot water supplying system |
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| Publication Number | Publication Date |
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| CN203531988U true CN203531988U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320531592.0U Expired - Fee Related CN203531988U (en) | 2013-08-29 | 2013-08-29 | Waste heat power generating and hot water supplying system |
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| CN (1) | CN203531988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418404A (en) * | 2021-06-21 | 2021-09-21 | 中国舰船研究设计中心 | Condensed steam device is penetrated to ship shell type altogether |
-
2013
- 2013-08-29 CN CN201320531592.0U patent/CN203531988U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418404A (en) * | 2021-06-21 | 2021-09-21 | 中国舰船研究设计中心 | Condensed steam device is penetrated to ship shell type altogether |
| CN113418404B (en) * | 2021-06-21 | 2023-11-24 | 中国舰船研究设计中心 | Ship hull co-injection condensed steam device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021, the Ningxia Hui Autonomous Region Yinchuan Xixia Industrial Park, South Road, Jin Bo letter crane hospital Patentee after: XINGXIA TZHG WASTE HEAT GENERATION TECHNOLOGY Co.,Ltd. Address before: 750021, the Ningxia Hui Autonomous Region Yinchuan Xixia Industrial Park, South Road, Jin Bo letter crane hospital Patentee before: NINGXIA TIANZONG HONGGUANG COGENERATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: Shengjin village, Zhenluo Town, Shapotou District, Zhongwei City, Ningxia Hui Autonomous Region Patentee after: Ningxia Shengjin Cement Co.,Ltd. Address before: 750021, the Ningxia Hui Autonomous Region Yinchuan Xixia Industrial Park, South Road, Jin Bo letter crane hospital Patentee before: XINGXIA TZHG WASTE HEAT GENERATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |