CN204485636U - Fume afterheat degree of depth recovery system - Google Patents
Fume afterheat degree of depth recovery system Download PDFInfo
- Publication number
- CN204485636U CN204485636U CN201520175975.8U CN201520175975U CN204485636U CN 204485636 U CN204485636 U CN 204485636U CN 201520175975 U CN201520175975 U CN 201520175975U CN 204485636 U CN204485636 U CN 204485636U
- Authority
- CN
- China
- Prior art keywords
- heat
- flue
- washing
- recovery system
- fume afterheat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 239000003517 fume Substances 0.000 title claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003546 flue gas Substances 0.000 claims abstract description 44
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 239000003814 drug Substances 0.000 claims abstract description 16
- 229940079593 drug Drugs 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 16
- 239000000567 combustion gas Substances 0.000 abstract description 7
- 239000003595 mist Substances 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- -1 steam Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model discloses a kind of fume afterheat degree of depth recovery system.This fume afterheat degree of depth recovery system comprises: washing and heat-exchanger rig, and its smoke inlet is communicated with the chimney of boiler by flue, and described flue is provided with chimney meatus draught fan; The exhanst gas outlet of this washing and heat-exchanger rig is communicated with by the chimney of smoke outlet flue with described boiler; Described washing and heat-exchanger rig also have washing agent pipeline and overblow blowdown mouth, described washing agent pipeline are provided with circulating pump, spray head and alkaline drug dosing mouth; Ozone generator, it is communicated with described flue by ozone output channel, and this ozone output channel is provided with ozone air-introduced machine; And absorption heat pump.This fume afterheat degree of depth recovery system, with denitration function, by the recovery of the latent heat of water in flue gas, can either can be carried out denitration process to flue gas simultaneously, not only increase combustion gas utilization ratio like this, reduce the amount of nitrogen oxides in flue gas simultaneously.
Description
Technical field
The utility model relates to art of heat pumps, particularly a kind of fume afterheat degree of depth recovery system.
Background technology
Traditional flue gas waste heat recovery has three kinds of modes: plate type heat exchanger; Tubular heat exchanger, heat exchange of heat pipe.There is following defect in these flue gas waste heat recovery modes:
1) waste heat recovery volume is little, can not the latent heat of recovered flue gas, generally can improve boiler efficiency 3-5%, low to the flue gas waste heat recovery efficiency lower than 100 DEG C, can only recovered flue gas heat 30 ~ 40%.
2) and equipment huge, installing space asks very large.
3) service life of equipment is very short, and not higher than 3 years as plate type heat exchanger, shell and tube, heat pipe are also no more than 5 years.
4) can not process the nitrogen oxide in flue gas and sulfide.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable fume afterheat degree of depth recovery system, this fume afterheat degree of depth recovery system is with denitration function, can either by the recovery of the latent heat of water in flue gas, denitration process can be carried out to flue gas simultaneously, not only increase combustion gas utilization ratio like this, reduce the amount of nitrogen oxides in flue gas simultaneously.
For achieving the above object, the utility model provides fume afterheat degree of depth recovery system, comprising: washing and heat-exchanger rig, and its smoke inlet is communicated with the chimney of boiler by flue, and described flue is provided with chimney meatus draught fan; The exhanst gas outlet of this washing and heat-exchanger rig is communicated with by the chimney of smoke outlet flue with described boiler; Described washing and heat-exchanger rig also have washing agent pipeline and overblow blowdown mouth, described washing agent pipeline is provided with circulating pump, spray head and alkaline drug dosing mouth, washing agent in described washing and heat-exchanger rig constantly circulates through circulating pump, and is sprayed the flue gas introducing washing and heat-exchanger rig by spray head and produce spraying cooling water; Ozone generator, it is communicated with described flue by ozone output channel, and this ozone output channel is provided with ozone air-introduced machine; And absorption heat pump, the low level heat energy of this absorption heat pump is the described spraying cooling water after heating up, and carries out heat supply to heat supply network backwater.
Preferably, in technique scheme, alkaline drug dosing mouth is used for regularly adding alkaline drug.
Preferably, in technique scheme, alkaline drug is NaOH.
Preferably, in technique scheme, the connectivity part of ozone output channel and flue is positioned at the upstream of described chimney meatus draught fan.
Preferably, in technique scheme, absorption heat pump has heat supply network water return outlet and heat supply network feed water inlet.
Compared with prior art, the utility model has following beneficial effect: this fume afterheat degree of depth recovery system is with denitration function, can either by the recovery of the latent heat of water in flue gas, denitration process can be carried out to flue gas simultaneously, not only increase combustion gas utilization ratio like this, reduce the amount of nitrogen oxides in flue gas simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of fume afterheat degree of depth recovery system of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, according to specifically comprising of the fume afterheat degree of depth recovery system of the utility model detailed description of the invention: washing and heat-exchanger rig 5, ozone generator 3 and absorption heat pump 4, wherein, the smoke inlet of washing and heat-exchanger rig 5 is communicated with the chimney 2 of boiler 1 by flue 9; The exhanst gas outlet of washing and heat-exchanger rig 5 is communicated with the chimney 2 of boiler 1 by smoke outlet flue 12, makes the clean flue gas after washing flow back to chimney 2 again through smoke outlet flue 12.Ozone generator 3 is for generating ozone, be communicated with flue 9 by ozone output channel 10, the ozone generated is made to enter flue 9 through ozone air-introduced machine 7, through dispersal device and flue gas Homogeneous phase mixing reacting in flue 9 in flue 9, the flue gas mist reacted introduces washing and heat-exchanger rig 5 by chimney meatus draught fan 6 through flue 9.Washing and heat-exchanger rig 5 in washing agent constantly circulate through circulating pump 8, and regularly add alkaline drug from dosing mouth, washing agent directly carries out conducting heat by washing agent pipeline 11 and flue gas, mass transport process, the flue gas mist react water entered in washing and heat-exchanger rig 5 and washing agent is reacted and generates HNO
3, then react with the alkaline drug in washing agent and generate salt and carry out denitration, discharge finally by overblow blowdown mouth e.Absorption heat pump 4 utilizes hot water, steam, combustion gas etc. as drive energy, flue gas through directly carrying out with spraying cooling water conducting heat, mass transport process lowers the temperature, and after spraying cooling water intensification, as the low level heat energy of absorption heat pump 4, the heat supply of absorption heat pump 4 pairs of heat supply network backwater makes it heat up.This fume afterheat degree of depth recovery system by the recovery of the latent heat of water in flue gas, can either can be carried out denitration process to flue gas simultaneously, not only increase combustion gas utilization ratio like this, reduce the amount of nitrogen oxides in flue gas simultaneously.
Specifically, the smoke inlet of washing and heat-exchanger rig 5 is communicated with the chimney 2 of boiler 1 by flue 9, flue 9 is provided with chimney meatus draught fan 6; The exhanst gas outlet of washing and heat-exchanger rig 5 is communicated with the chimney 2 of boiler 1 by smoke outlet flue 12.Washing and heat-exchanger rig 5 have washing agent pipeline 11 and overblow blowdown mouth e, washing agent pipeline 11 are provided with circulating pump 8, spray head and dosing mouth d.Washing and heat-exchanger rig 5 in washing agent constantly circulate through circulating pump 8, and regularly add alkaline drug from dosing mouth d, by spray head to introducing washing by chimney meatus draught fan 6 through flue 9 and the flue gas mist of heat-exchanger rig 5 sprays, washing agent and flue gas is made directly to carry out conducting heat, mass transfer and produce spraying cooling water.Alkaline drug is preferably NaOH.
Ozone generator 3 is for generating ozone, be communicated with flue 9 by ozone output channel 10, ozone output channel 10 is positioned at the upstream of chimney meatus draught fan 6 with the connectivity part of flue 9, ozone output channel 10 is provided with ozone air-introduced machine 7, the ozone generated is made to enter flue 9 through ozone air-introduced machine 7, through dispersal device and flue gas Homogeneous phase mixing reacting in flue 9 in flue 9
(O
3+ NO
x→ N
2o
5), the flue gas mist reacted introduces washing and heat-exchanger rig 5 by chimney meatus draught fan 6 through flue 9.Washing and heat-exchanger rig 5 in washing agent constantly circulate through circulating pump 8, and regularly add alkaline drug from dosing mouth, washing agent and flue gas directly carry out conducting heat, mass transfer, make the flue gas mist reacted enter washing and heat-exchanger rig 5 and react with the water in washing agent and generate HNO
3, then react with the alkaline drug in washing agent and generate salt and carry out denitration, discharge finally by overblow blowdown mouth e.
Absorption heat pump 4 utilizes hot water, steam, combustion gas etc. as drive energy, flue gas through directly carrying out with spraying cooling water conducting heat, mass transport process, be cooled to about 30 DEG C; After spraying cooling water heats up, as the low level heat energy of absorption heat pump 4, heat supply network backwater after water return outlet b is heated up by absorption heat pump 4, then is discharged by heat supply network feed water inlet b.
Flue gas waste heat recovery flow process: boiler 1 is discharged to the flue gas in chimney 2, introduces washing and heat-exchanger rig 5 by chimney meatus draught fan 6 through flue 9, flue gas through directly carrying out with spraying cooling water conducting heat, mass transport process, be cooled to about 30 DEG C; After spraying cooling water heats up, as the low level heat energy of absorption heat pump 4, heat supply network backwater after water return outlet b is heated up by absorption heat pump 4, then is discharged by heat supply network feed water inlet b.
Oxidizing and denitrating ozone flow process: ozone generator 3 generates ozone, enters flue 9 through ozone air-introduced machine 7, in flue 9 through dispersal device and flue gas Homogeneous phase mixing in flue 9, and to react
(O
3+ NO
x→ N
2o
5), the flue gas mist reacted is reacted by the water in washing and heat-exchanger rig 5 and washing agent and generates HNO
3, then to react generation salt with bases such as the NaOH in washing agent, discharge finally by overblow blowdown mouth e.Clean flue gas after washing enters chimney 2 through smoke outlet flue 12.Washing and heat-exchanger rig 5 in liquid constantly circulate through circulating pump 8, regularly add alkaline drug (NaOH) from dosing mouth d.
To sum up, this fume afterheat degree of depth recovery system, with denitration function, by the recovery of the latent heat of water in flue gas, can either can be carried out denitration process to flue gas simultaneously, not only increase combustion gas utilization ratio like this, reduce the amount of nitrogen oxides in flue gas simultaneously.The flue gas waste heat recovery amount of this fume afterheat degree of depth recovery system reaches more than the 70-80% of flue gas heat, and amount of nitrogen oxides can be reduced to below 30mg, and service life of equipment is significantly increased to more than 10 years simultaneously.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (5)
1. a fume afterheat degree of depth recovery system, is characterized in that, comprising:
Washing and heat-exchanger rig, it comprises smoke inlet and exhanst gas outlet, and this smoke inlet is communicated with the chimney of boiler by flue, and described flue is provided with chimney meatus draught fan, and described exhanst gas outlet is communicated with by the chimney of smoke outlet flue with described boiler; Described washing and heat-exchanger rig also comprise washing agent pipeline and overblow blowdown mouth, described washing agent pipeline is provided with circulating pump, spray head and alkaline drug dosing mouth, washing agent in described washing and heat-exchanger rig constantly circulates through circulating pump, and is sprayed the flue gas introducing washing and heat-exchanger rig by spray head and produce spraying cooling water;
Ozone generator, it is communicated with described flue by ozone output channel, and this ozone output channel is provided with ozone air-introduced machine; And
Absorption heat pump, the low level heat energy of this absorption heat pump is the described spraying cooling water after heating up, and carries out heat supply to heat supply network backwater.
2. fume afterheat degree of depth recovery system according to claim 1, is characterized in that, described alkaline drug dosing mouth is used for regularly adding alkaline drug.
3. fume afterheat degree of depth recovery system according to claim 2, is characterized in that, described alkaline drug is NaOH.
4. fume afterheat degree of depth recovery system according to claim 1, is characterized in that, the connectivity part of described ozone output channel and flue is positioned at the upstream of described chimney meatus draught fan.
5. fume afterheat degree of depth recovery system according to claim 1, is characterized in that, described absorption heat pump has heat supply network water return outlet and heat supply network feed water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175975.8U CN204485636U (en) | 2015-03-26 | 2015-03-26 | Fume afterheat degree of depth recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175975.8U CN204485636U (en) | 2015-03-26 | 2015-03-26 | Fume afterheat degree of depth recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204485636U true CN204485636U (en) | 2015-07-22 |
Family
ID=53564932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520175975.8U Expired - Fee Related CN204485636U (en) | 2015-03-26 | 2015-03-26 | Fume afterheat degree of depth recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204485636U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707465A (en) * | 2015-03-26 | 2015-06-17 | 中能服(北京)节能投资有限公司 | Flue gas waste heat depth recovery system |
| RU2625055C2 (en) * | 2015-10-07 | 2017-07-11 | Евгений Михайлович Пузырёв | Heat supply method and device |
| CN107478070A (en) * | 2017-09-24 | 2017-12-15 | 贵州电力设计研究院 | A kind of fountain flue gas water- to-water heat exchanger for generating set |
-
2015
- 2015-03-26 CN CN201520175975.8U patent/CN204485636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707465A (en) * | 2015-03-26 | 2015-06-17 | 中能服(北京)节能投资有限公司 | Flue gas waste heat depth recovery system |
| RU2625055C2 (en) * | 2015-10-07 | 2017-07-11 | Евгений Михайлович Пузырёв | Heat supply method and device |
| CN107478070A (en) * | 2017-09-24 | 2017-12-15 | 贵州电力设计研究院 | A kind of fountain flue gas water- to-water heat exchanger for generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100015 Beijing Chaoyang District Jiuxianqiao ten neighborhood No.1 Hospital Patentee after: CES ENERGY TECHNOLOGY Co.,Ltd. Address before: 100015 Beijing Chaoyang District Jiuxianqiao ten neighborhood No.1 Hospital Patentee before: CES (BEIJING) ENERGY-SAVING INVESTMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |