CN206145651U - Flue gas waste heat recovery utilizes system - Google Patents
Flue gas waste heat recovery utilizes system Download PDFInfo
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- CN206145651U CN206145651U CN201620956526.1U CN201620956526U CN206145651U CN 206145651 U CN206145651 U CN 206145651U CN 201620956526 U CN201620956526 U CN 201620956526U CN 206145651 U CN206145651 U CN 206145651U
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- Prior art keywords
- flue
- flue gas
- heat exchanger
- utilizes system
- reclamation
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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
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Electrostatic Separation (AREA)
Abstract
The application discloses flue gas waste heat recovery utilizes system, including flue, draught fan, electrostatic precipitator, heat exchanger, steam engine and the generator that connects gradually, during electrostatic precipitator is taken out the high temperature flue gas from the flue to the draught fan, the process flue gas after electrostatic precipitator removes dust lets in the heat exchanger, carries out heat exchange in the heat exchanger, produces high temperature water vapor, drives the generator electricity generation through the high -temperature steam machine. The basis is novel can to convert the heat in the flue to the electric power energy, can fully retrieve flue gas waste heat, environmental protection and energy saving.
Description
Technical field
The application belongs to off-gas recovery and utilizes technical field, and more particularly to a kind of reclamation of stack gas afterheat utilizes system.
Background technology
At present Industrial Boiler is the main thermal powerplant of China, with China's rapid economic development, energy resource consumption day
Benefit increases, and the problem that urban air quality goes from bad to worse is projected all the more.The high main original of high energy consumption, pollution in terms of thermal power
Therefore one is exactly the fume emission of boiler, and on the one hand boiler exhaust gas problem is the direct pollution of flue gas pollutant, on the other hand
It is exactly too high exhaust gas temperature.
In coking industry, the flue gas that coke oven is produced during coking contains substantial amounts of waste heat, burnt with 5.5m × 60 hole
As a example by stove；Flue-gas temperature is 300 degree, and exhaust gas volumn is 170000Nm3Per hour, 12 tons of saturated vapors can be produced per hour, is utilized
Flue type waste heat boiler carries out reclaiming imperative to the heating power of flue gas.
Utility model content
The purpose of this utility model is to provide a kind of reclamation of stack gas afterheat to utilize system, of the prior art to overcome
It is not enough.
For achieving the above object, this utility model provides following technical scheme：
The embodiment of the present application discloses a kind of reclamation of stack gas afterheat and utilizes system, including the flue, air-introduced machine being sequentially connected,
High-temperature flue gas are extracted into from flue electrostatic precipitator, heat exchanger, steam engine and electromotor, the air-introduced machine electrostatic precipitator
In, the flue gas after the electrostatic precipitator dedusting is passed through heat exchanger, and heat exchange is carried out in heat exchanger, produces high-temperature water
Steam, by high-temperature steam machine electrical power generators are driven.
Preferably, in above-mentioned reclamation of stack gas afterheat utilizes system, on the outside of the flue waste heat recovery is arranged with
Pipeline, the waste heat recovery pipeline is connected with air-introduced machine.
Preferably, in above-mentioned reclamation of stack gas afterheat utilizes system, the port of export of the electrostatic precipitator is divided into master
Exhaust gases passes and secondary exhaust gases passes two-way, the main flue gas passage is connected to heat exchanger, and the secondary exhaust gases passes are connected to waste heat
The first stop valve and the second stop valve are respectively arranged with withdrawer, the main flue gas pipeline and secondary flue.
Preferably, in above-mentioned reclamation of stack gas afterheat utilizes system, the outer wall of the flue is formed with mezzanine space,
The upper and lower ends of the mezzanine space are respectively arranged with hot water outlet and cold water inlet.
Preferably, in above-mentioned reclamation of stack gas afterheat utilizes system, the heat exchanger is pipe heat exchanger.
Compared with prior art, the utility model has the advantage of：This it is new by air-introduced machine by high-temperature flue gas from flue
In be extracted in electrostatic precipitator, flue gas is by electrostatic precipitator, adsorbing most flue dust according to electrostatic interaction, and flue gas
Constantly up flow, according to action of gravity when standing, dust impurity can fall down, so as to from cleaner unit dust-exhausting port row
Go out, which prevent the blocking of dust and improve efficiency of dust collection, then the flue gas after dedusting is passed through into heat exchanger, in heat exchange
Heat exchange is carried out in device, high-temperature vapor is produced, electrical power generators or civil heating are driven by high-temperature steam machine.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 show the functional-block diagram that reclamation of stack gas afterheat in this utility model specific embodiment utilizes system；
Fig. 2 show the structural representation that reclamation of stack gas afterheat in this utility model specific embodiment utilizes system.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of this utility model, rather than the enforcement of whole
Example.Based on the embodiment in this utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of this utility model protection.
With reference to shown in Fig. 1, reclamation of stack gas afterheat utilizes system, including the flue, air-introduced machine, the electrostatic precipitation that are sequentially connected
Device, heat exchanger, steam engine and electromotor.
In the technical scheme, high-temperature flue gas are extracted in electrostatic precipitator from flue by air-introduced machine, flue gas is by quiet
In electric cleaner, most flue dust is adsorbed according to electrostatic interaction, and flue gas constantly up flows, and is existed according to action of gravity
When standing, dust impurity can fall down, and so as to discharge from cleaner unit dust-exhausting port, which prevent the blocking of dust and improve
Efficiency of dust collection, is then passed through heat exchanger by the flue gas after dedusting, and heat exchange is carried out in heat exchanger, produces high-temperature water and steams
Gas, by high-temperature steam machine electrical power generators or civil heating are driven.
With reference to shown in Fig. 2, the outside of flue 1 is arranged with waste heat recovery pipeline 2, and the waste heat recovery pipeline 2 connects with air-introduced machine 3
It is logical.
Further, the port of export of electrostatic precipitator 4 is divided into main flue gas passage 5 and the secondary two-way of exhaust gases passes 6, and main flue gas lead to
Road 5 is connected to heat exchanger, and secondary exhaust gases passes 6 are connected to waste-heat recoverer 7, set respectively on main flue gas pipeline 5 and secondary flue 6
It is equipped with the first stop valve 8 and the second stop valve 9.
In the technical scheme, when heat exchanger, steam engine or electromotor need repairing, in order to avoid energy waste, pass through
Secondary exhaust gases passes carry out heat recovery.
Further, the outer wall of flue 1 is formed with mezzanine space 10, and the upper and lower ends of the mezzanine space 10 are respectively arranged with
Hot water outlet 11 and cold water inlet 12.
In the technical scheme, cold water is entered after mezzanine space, is directly heated by exhaust gases passes outer wall, while playing to flue gas
Certain cooling effect, the water after being heated is exported by hot water outlet, and warming lamp for civilian use is used.
Further, heat exchanger is pipe heat exchanger.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the application principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (5)
1. a kind of reclamation of stack gas afterheat utilizes system, it is characterised in that remove including the flue, air-introduced machine, electrostatic being sequentially connected
Dirt device, heat exchanger, steam engine and electromotor, the air-introduced machine is extracted into high-temperature flue gas in electrostatic precipitator from flue, passes through
Flue gas after the electrostatic precipitator dedusting is passed through heat exchanger, and heat exchange is carried out in heat exchanger, produces high-temperature vapor, leads to
Cross high temperature steam engine and drive electrical power generators.
2. reclamation of stack gas afterheat according to claim 1 utilizes system, it is characterised in that：The outside winding of the flue
Have surplus heat recovery channel, and the waste heat recovery pipeline is connected with air-introduced machine.
3. reclamation of stack gas afterheat according to claim 1 utilizes system, it is characterised in that：The electrostatic precipitator goes out
Mouth end is divided into main flue gas passage and secondary exhaust gases passes two-way, and the main flue gas passage is connected to heat exchanger, the secondary exhaust gases passes
Waste-heat recoverer is connected to, the first stop valve and the second cut-off are respectively arranged with the main flue gas pipeline and secondary flue
Valve.
4. reclamation of stack gas afterheat according to claim 1 utilizes system, it is characterised in that：The outer wall of the flue is formed
There is mezzanine space, the upper and lower ends of the mezzanine space are respectively arranged with hot water outlet and cold water inlet.
5. reclamation of stack gas afterheat according to claim 1 utilizes system, it is characterised in that：The heat exchanger is changed for tubular type
Hot device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956526.1U CN206145651U (en) | 2016-08-26 | 2016-08-26 | Flue gas waste heat recovery utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956526.1U CN206145651U (en) | 2016-08-26 | 2016-08-26 | Flue gas waste heat recovery utilizes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145651U true CN206145651U (en) | 2017-05-03 |
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ID=58627109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620956526.1U Active CN206145651U (en) | 2016-08-26 | 2016-08-26 | Flue gas waste heat recovery utilizes system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206145651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120670A (en) * | 2017-05-18 | 2017-09-01 | 安徽普瑞普勒传热技术有限公司 | A kind of boiler residual neat recovering system |
| CN113513742A (en) * | 2021-04-17 | 2021-10-19 | 蔚来热能科技(台州)有限公司 | Energy-saving emission-reducing steam generator and using method thereof |
-
2016
- 2016-08-26 CN CN201620956526.1U patent/CN206145651U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120670A (en) * | 2017-05-18 | 2017-09-01 | 安徽普瑞普勒传热技术有限公司 | A kind of boiler residual neat recovering system |
| CN107120670B (en) * | 2017-05-18 | 2018-10-30 | 安徽普瑞普勒传热技术有限公司 | A kind of boiler residual neat recovering system |
| CN113513742A (en) * | 2021-04-17 | 2021-10-19 | 蔚来热能科技(台州)有限公司 | Energy-saving emission-reducing steam generator and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215600 No.205, Southeast Avenue, Zhangjiagang Economic Development Zone (yangshe town), Suzhou City, Jiangsu Province Patentee after: Willy (Suzhou) Energy Technology Co.,Ltd. Address before: 215000 foreign student entrepreneurship Park, Zhangjiagang Economic Development Zone, Suzhou, Jiangsu Patentee before: SUZHOU HANFENG TECHNOLOGY DEVELOPMENT Co.,Ltd. |