CN104075388A - Device for recovering waste heat and water in smoke - Google Patents
Device for recovering waste heat and water in smoke Download PDFInfo
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- CN104075388A CN104075388A CN201410309469.3A CN201410309469A CN104075388A CN 104075388 A CN104075388 A CN 104075388A CN 201410309469 A CN201410309469 A CN 201410309469A CN 104075388 A CN104075388 A CN 104075388A
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Abstract
The invention relates to a device for recovering waste heat and water in smoke. The device comprises a concentrated solution storage groove connected with a regenerator, wherein the solution outlet of the storage groove is connected with the inlet of the regenerator and the concentrated solution inlet of a dilute solution-concentrated solution heat exchanger, the concentrated solution outlet of the dilute solution-concentrated solution heat exchanger is connected with the concentrated solution inlet of a dilute solution storage groove, the solution outlet of a dehumidification dust remover is connected with the inlet of the dilute solution storage groove, the outlet of the dilute solution storage groove is connected with the dilute solution inlet of the dilute solution-concentrated solution heat exchanger and the solution channel inlet of a solution-water heat exchanger respectively, the dilute solution outlet of the dilute solution-concentrated solution heat exchanger is connected with the dilute solution inlet of the concentrated solution storage groove; the solution outlet of the solution-water heat exchanger is connected with the inlet of the dehumidification dust remover through the heat source end of a heat pump; the water channel inlet of the solution-water heat exchanger is communicated with water to be treated, the water channel outlet of the solution-water heat exchanger is connected with the water channel inlet of a steam cooling heat exchanger through the cold source end of the heat pump, and the water channel outlet of the steam cooling heat exchanger is communicated to a user; the steam outlet of the regenerator is connected with the steam inlet of the steam cooling heat exchanger, the smoke inlet and outlet of the regenerator are connected with the smoke outlet of an industrial communication chamber and the smoke inlet of the dehumidification dust remover respectively.
Description
Technical field
The present invention relates to a kind of waste heat recycling system, be specifically related to a kind of based on solution dehumidification technology and can recovered flue gas in the device of waste heat and moisture.
Background technology
Solution dehumidification mode is the poor a kind of humidity processing method that realizes moisture transmission and transfer of partial pressure of water vapor of utilizing between humid air and hygroscopic solution, in moisture evaporative condenser mass transport process, be also accompanied by humid air that phase transformation causes and the diabatic process between solution.Compare with traditional heat recovery technology, the required driving heat source temperature of solution dehumidification technology is low, simple in structure, can realize humiture and independently control, and purify air simultaneously, is obtaining fast-developing in recent years and is applying.At present, the research that solution dehumidification technology reclaims at low temperature exhaust heat aspect (as flue gas etc.) is mainly limited to the driving heat source using low temperature exhaust heat as solution dehumidifying air-conditioning system, system is closed cycle, its UTILIZATION OF VESIDUAL HEAT IN target is for to regulate and control human settlement's humiture, although the heat in process in flue gas has obtained recycling comparatively fully, steam and atmosphere pollution are not effectively processed and are reclaimed.
Summary of the invention
For the problems referred to above, the object of the invention is a kind of based on solution dehumidification technology and can recovered flue gas in the device of waste heat and moisture.
For achieving the above object, the present invention takes following technical scheme: the device of waste heat and moisture in a kind of recovered flue gas, it is characterized in that, this device comprises concentrated solution storage tank, rare concentrated solution heat exchanger, solution-water-to-water heat exchanger, heat pump, removes wet dust catcher, weak solution storage tank, regenerator and steam cooling heat exchanger; Wherein, the taphole of described regenerator is connected with described concentrated solution storage tank, the taphole of described concentrated solution storage tank is divided into two branch roads after the first circulating pump, and a branch road is connected with the entrance of described regenerator, and another branch road is connected with the concentrated solution entrance of described rare concentrated solution heat exchanger; The concentrated solution outlet of described rare concentrated solution heat exchanger is connected with the concentrated solution entrance of described weak solution storage tank, the described taphole except wet dust catcher is connected with the entrance of described weak solution storage tank, the outlet of described weak solution storage tank is divided into two branch roads after the second circulating pump, one branch road is connected with the weak solution entrance of described rare concentrated solution heat exchanger, the weak solution outlet of described rare concentrated solution heat exchanger is connected with the weak solution entrance of described concentrated solution storage tank, and another branch road is connected with the solution channel entrance of described solution-water-to-water heat exchanger; The taphole of described solution-water-to-water heat exchanger is connected with the thermal source entrance of described heat pump, and the thermal source outlet of described heat pump is connected with the described entrance except wet dust catcher; The aquaporin entrance of described solution-water-to-water heat exchanger is communicated with pending water, the aquaporin outlet of described solution-water-to-water heat exchanger is connected with the low-temperature receiver entrance of described heat pump through the 3rd circulating pump, the low-temperature receiver outlet of described heat pump is connected with the aquaporin entrance of described steam cooling heat exchanger, and the aquaporin outlet of described steam cooling heat exchanger is communicated to user; The steam (vapor) outlet of described regenerator is connected with the steam inlet of described steam cooling heat exchanger, and the smoke inlet of described regenerator is connected with the exhanst gas outlet of industrial combustion chamber, and the exhanst gas outlet of described regenerator is connected with the described smoke inlet except wet dust catcher.
In a preferred embodiment, the solidifying water out of described steam cooling heat exchanger is connected with a hot well.
In a preferred embodiment, between the smoke inlet of described regenerator and the exhanst gas outlet of described industrial combustion chamber, an economizer is set.
In a preferred embodiment, the described exhanst gas outlet except wet dust catcher is connected with chimney with air-introduced machine through flue.
The present invention is owing to taking above technical scheme, it has the following advantages: the invention provides a kind of flue gas waste heat recovery apparatus based on solution dehumidification technology, this device adopts the salting liquid with moisture absorbing to clean flue gas, reduce sensible heat and the latent heat of smoke evacuation humiture, recovered flue gas, waste heat be take the form of hot water and is supplied with steam generator system or provide domestic hot-water or heating as resident; Can remove flue dust, partial vulcanization thing and the nitrogen oxide in flue gas, can realize the heat recovery of boiler smoke, can reduce again the discharge of flue gas pollutant simultaneously; In addition, owing to being provided with regenerative system, the moisture absorbing can be coagulated from flue gas, realize the recovery of moisture.Compare with existing solution dehumidification type residual neat recovering system, UTILIZATION OF VESIDUAL HEAT IN efficiency of the present invention is higher, and the steam in energy recovered flue gas, has the effect of purification and washing flue gas concurrently, thereby reaches energy-conservation, economizes on water and reduce the multipurpose of flue gas pollutant discharge.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is carried out to detailed describing.Yet only providing in order to understand better the present invention of accompanying drawing is provided, they not should be understood to limitation of the present invention.
Fig. 1 is structure of the present invention and schematic flow sheet.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention includes concentrated solution storage tank 1, rare concentrated solution heat exchanger 2, solution-water-to-water heat exchanger 3, heat pump 4, remove wet dust catcher 5, weak solution storage tank 6, regenerator 7, economizer 9, steam cooling heat exchanger 15 and hot well 17.Wherein, the taphole of regenerator 7 is connected with concentrated solution storage tank 1, and the taphole of concentrated solution storage tank 1 is divided into two branch roads after circulating pump, and a branch road is connected with the entrance of regenerator 7, and another branch road is connected with the concentrated solution entrance of rare concentrated solution heat exchanger 2.The concentrated solution outlet of rare concentrated solution heat exchanger 2 is connected with the concentrated solution entrance of weak solution storage tank 6, the taphole that removes wet dust catcher 5 is connected with the entrance of weak solution storage tank 6, the outlet of weak solution storage tank 6 is divided into two branch roads after circulating pump, one branch road is connected with the solution channel entrance of solution-water-to-water heat exchanger 3, another branch road is connected with the weak solution entrance of rare concentrated solution heat exchanger 2, and the weak solution outlet of rare concentrated solution heat exchanger 2 is connected with the weak solution entrance of concentrated solution storage tank 1.The taphole of solution-water-to-water heat exchanger 3 is connected with the thermal source entrance of heat pump 4, and the thermal source outlet of heat pump 4 is connected with the entrance except wet dust catcher 5.The aquaporin entrance of solution-water-to-water heat exchanger 3 is communicated with pending water 18, the aquaporin outlet of solution-water-to-water heat exchanger 3 is connected with the low-temperature receiver entrance of heat pump 4 through circulating pump, the low-temperature receiver outlet of heat pump 4 is connected with the aquaporin entrance of steam cooling heat exchanger 15, and the hot water 19 that the aquaporin outlet of steam cooling heat exchanger 15 is returned after intensification is supplied with user.The steam (vapor) outlet of regenerator 7 is connected with the steam inlet of steam cooling heat exchanger 15, and the solidifying water out of steam cooling heat exchanger 15 is connected with hot well 17.The smoke inlet of regenerator 7 is connected with the exhanst gas outlet of industrial combustion chamber 8 through economizer 9, the exhanst gas outlet of regenerator 7 is connected with the smoke inlet except wet dust catcher 5, the exhanst gas outlet that removes wet dust catcher 5 is connected with chimney 13 with air-introduced machine 12 through flue 11, and chimney 13 enters surrounding environment by the flue gas through waste heat recovery and pollutant processing.
The present invention is when work, and industrial combustion chamber 8 produces flue gas and enter economizer 9 from discharge combustion chamber, and flue gas enters in the heat exchanger tube 10 of regenerator 7 be absorbed part heat in economizer 9 after, for the evaporation regeneration of regenerator 7 solution; Flue gas enters except wet dust catcher 5 afterwards, reaches the object of dehumidifying and removal pollutant through solution spraying, and flue gas after treatment enters chimney 13 by air-introduced machine 12 and enters atmosphere.
Weak solution, except absorbing the steam in flue gas in wet dust catcher 5, is collected by weak solution storage tank 6, and a part enters concentrated solution storage tank 1 after rare concentrated solution heat exchanger 2, and a part carries out washing the weak solution circulation that flue gas and recovery waste heat are object.
Moisture in concentrated solution is heated rear formation high-temperature steam 14 and enters steam cooling heat exchanger 15 in regenerator 7, and high-temperature steam 14 forms solidifying water and enters solidifying water collecting groove 17 in steam cooling heat exchanger 15 after heat exchange cooling, reach the object that moisture reclaims.Concentrated solution after concentrated is collected by concentrated solution storage tank 1, and a part enters weak solution storage tank 6 after rare concentrated solution heat exchanger 2, and a part carries out being divided into recycle-water the concentrated solution circulation of object.
First pending water 18 carry out heat temperature raising by solution-water-to-water heat exchanger 3, after enter heat pump 4 (source heat pump heat is salting liquid) and continue heat temperature raising, then enter steam cooling heat exchanger 15, utilize the heat of high-temperature steam 14 further to heat up and form hot water 19, finally return to user.
The various embodiments described above are only for further describing object of the present invention, technical scheme and beneficial effect; be not limited to the present invention; within the spirit and principles in the present invention all; any modification of making, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (5)
1. a device for waste heat and moisture in recovered flue gas, is characterized in that, this device comprises concentrated solution storage tank, rare concentrated solution heat exchanger, solution-water-to-water heat exchanger, heat pump, removes wet dust catcher, weak solution storage tank, regenerator and steam cooling heat exchanger; Wherein, the taphole of described regenerator is connected with described concentrated solution storage tank, the taphole of described concentrated solution storage tank is divided into two branch roads after the first circulating pump, and a branch road is connected with the entrance of described regenerator, and another branch road is connected with the concentrated solution entrance of described rare concentrated solution heat exchanger; The concentrated solution outlet of described rare concentrated solution heat exchanger is connected with the concentrated solution entrance of described weak solution storage tank, the described taphole except wet dust catcher is connected with the entrance of described weak solution storage tank, the outlet of described weak solution storage tank is divided into two branch roads after the second circulating pump, one branch road is connected with the weak solution entrance of described rare concentrated solution heat exchanger, the weak solution outlet of described rare concentrated solution heat exchanger is connected with the weak solution entrance of described concentrated solution storage tank, and another branch road is connected with the solution channel entrance of described solution-water-to-water heat exchanger; The taphole of described solution-water-to-water heat exchanger is connected with the thermal source entrance of described heat pump, and the thermal source outlet of described heat pump is connected with the described entrance except wet dust catcher; The aquaporin entrance of described solution-water-to-water heat exchanger is communicated with pending water, the aquaporin outlet of described solution-water-to-water heat exchanger is connected with the low-temperature receiver entrance of described heat pump through the 3rd circulating pump, the low-temperature receiver outlet of described heat pump is connected with the aquaporin entrance of described steam cooling heat exchanger, and the aquaporin outlet of described steam cooling heat exchanger is communicated to user; The steam (vapor) outlet of described regenerator is connected with the steam inlet of described steam cooling heat exchanger, and the smoke inlet of described regenerator is connected with the exhanst gas outlet of industrial combustion chamber, and the exhanst gas outlet of described regenerator is connected with the described smoke inlet except wet dust catcher.
2. the device of waste heat and moisture in a kind of recovered flue gas as claimed in claim 1, is characterized in that, the solidifying water out of described steam cooling heat exchanger is connected with a hot well.
3. the device of waste heat and moisture in a kind of recovered flue gas as claimed in claim 1, is characterized in that, between the smoke inlet of described regenerator and the exhanst gas outlet of described industrial combustion chamber, an economizer is set.
4. the device of waste heat and moisture in a kind of recovered flue gas as claimed in claim 2, is characterized in that, between the smoke inlet of described regenerator and the exhanst gas outlet of described industrial combustion chamber, an economizer is set.
5. the device of waste heat and moisture in a kind of recovered flue gas as claimed in claim 1 or 2 or 3 or 4, is characterized in that, the described exhanst gas outlet except wet dust catcher is connected with chimney with air-introduced machine through flue.
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| CN201410309469.3A CN104075388B (en) | 2014-07-01 | 2014-07-01 | The device of waste heat and moisture in a kind of recovered flue gas |
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| CN201410309469.3A CN104075388B (en) | 2014-07-01 | 2014-07-01 | The device of waste heat and moisture in a kind of recovered flue gas |
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Cited By (5)
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| CN106500122A (en) * | 2016-09-08 | 2017-03-15 | 中国科学院工程热物理研究所 | A kind of elimination coal fired power plant chimney white haze is while the system and method for Mist heat recovering and water |
| CN106766160A (en) * | 2016-12-22 | 2017-05-31 | 张承虎 | A kind of complete hot heat recovery system of wet waste gas of absorption type heat |
| CN107627808A (en) * | 2017-11-01 | 2018-01-26 | 南京工业大学 | A kind of automobile-used dehumidifing ＆ Cooling apparatus |
| CN111089507A (en) * | 2018-10-24 | 2020-05-01 | 上海烟草集团有限责任公司 | Energy evolution system and method |
| CN114087802A (en) * | 2021-10-29 | 2022-02-25 | 中国科学院工程热物理研究所 | Open heat pump system for simultaneously recovering water and latent heat in high-humidity flue gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500122A (en) * | 2016-09-08 | 2017-03-15 | 中国科学院工程热物理研究所 | A kind of elimination coal fired power plant chimney white haze is while the system and method for Mist heat recovering and water |
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| CN106766160B (en) * | 2016-12-22 | 2019-06-21 | 张承虎 | A kind of wet exhaust gas of absorption type heat hot heat recovery system entirely |
| CN107627808A (en) * | 2017-11-01 | 2018-01-26 | 南京工业大学 | A kind of automobile-used dehumidifing ＆ Cooling apparatus |
| CN107627808B (en) * | 2017-11-01 | 2023-09-08 | 南京工业大学 | Dehumidifying and cooling device for vehicle |
| CN111089507A (en) * | 2018-10-24 | 2020-05-01 | 上海烟草集团有限责任公司 | Energy evolution system and method |
| CN114087802A (en) * | 2021-10-29 | 2022-02-25 | 中国科学院工程热物理研究所 | Open heat pump system for simultaneously recovering water and latent heat in high-humidity flue gas |
| CN114087802B (en) * | 2021-10-29 | 2023-02-24 | 中国科学院工程热物理研究所 | Open heat pump system for simultaneously recovering water and latent heat in high-humidity flue gas |
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| CN104075388B (en) | 2017-10-31 |
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