CN207797092U - A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system - Google Patents
A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system Download PDFInfo
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- CN207797092U CN207797092U CN201720905779.0U CN201720905779U CN207797092U CN 207797092 U CN207797092 U CN 207797092U CN 201720905779 U CN201720905779 U CN 201720905779U CN 207797092 U CN207797092 U CN 207797092U
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- 239000003546 flue gas Substances 0.000 title claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000002918 waste heat Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- 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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- Chimneys And Flues (AREA)
Abstract
A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system, capital equipment are level-one energy-saving appliance and two level energy-saving appliance, and effect is to be condensed into water by the heat recovery in flue gas, while by the vapor in flue gas；Level-one energy-saving appliance is cooled down to flue gas using the lower water of temperature；Flue gas after cooling enters two level energy-saving appliance, two level energy-saving appliance carries out deep condensation cooling using the air of low temperature, for the particularity of gas fired-boiler, the air blower cold of boiler is not enough to carry out deep condensation cooling to flue gas, therefore introduces mixed wind wind turbine and carry out condensation cooling.After level-one energy-saving appliance and two level energy-saving appliance, the temperature of flue gas is reduced to 40 DEG C or so, and vapor therein is also condensed into liquid water.The system can reduce exhaust gas temperature, reduce " thermal pollution " to environment, good environmental protection effect；Quickly recycling heat saves natural gas consumption, economic benefits；Boiler thermal efficiency is improved, energy-saving effect is notable.
Description
Technical field
The utility model is related to waste heat recovery and demisting technical field more particularly to a kind of gas-fired boiler high effective flue gas are deep
Spend waste heat recovery and demister system.
Background technology
Flue gas is the main carriers of general energy consumption equipment waste energy, such as boiler exhaust gas energy consumption about 15%, and its
Mainly energy consumption is all both to waste energy by flue gas emission for forming machine, dryer and kiln of his equipment such as dyeing etc.
Environment is polluted again in source.Flue gas waste heat recovery be exactly the heat entrained by the flue gas by heat exchanger by discharge be converted into can profit
Heat, to realize energy-saving and emission-reduction purpose, is to improve energy profit to generate hot wind (air preheat), hot water or steam
With rate, production cost, one of the means of environmental protection most directly, economic are reduced.
Fume afterheat is three kinds of heat exchange sides such as " gas-gas ", " solution-air ", " gas-vapour " using the common heat exchange mode of equipment
Formula, heat exchanger structure form have：Tubular type, heat pipe-type etc., but heat transfer efficiency is low, volume is big, the investment payback time is long, can not accomplish depth
Degree condensing recovery is still the applied defect of such current product.
Therefore, the prior art is defective, needs to improve.
Utility model content
The utility model is combining experience energy saving etc. in heat and mass, boiler afterheat recycling, heating system for many years,
By a large amount of in-depth studies and experiment, it is developed based on the novel high-efficient energy-saving environment-friendly system of high-efficiency compact heat transfer element.With
Corrugated board cluster element is that the plate-type fume of heat transfer element is efficient, the compact cigarette that my company newly develops in recent years
Gas waste-heat recovery device keeps heat exchange more abundant, and exhaust gas temperature can be dropped to not higher than 40 DEG C, and boiler efficiency can improve 6~
16%, effects of energy saving and emission reduction is very notable.Due to using special structure design, it is convenient for ash disposal, while pressure drop is low, power consumption
It is few.Energy-saving principle：The system passes through main heat exchange device A GLH gas-liquid types and AGGH gas-gas type efficient flue gas waste heat retracting device
Water-flue gas heat exchange is carried out, the heat exchange of flue gas-air, the sensible heat and latent heat of recovered flue gas reduce the exhaust temperature of flue gas, effectively
Heat is recycled, the discharge of fog is reduced, reaches energy-saving and emission-reduction purpose.
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of gas-fired boiler high-efficiency tobacco
The waste heat recovery of gas depth and demister system.
The technical solution of the utility model is as follows：
A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system, including boiler further include connecting respectively with boiler
The air channel and boiler exhaust gas road connect；Air channel air-valve is provided on the air channel；Boiler exhaust gas is provided on road
The level-one energy-saving appliance being connect into cigarette air-valve and with into cigarette air-valve, level-one energy-saving appliance top are provided with water inlet, and lower part is provided with out
The mouth of a river and condensed water arrange mouth, and the level-one energy-saving appliance other end is connected with two level energy-saving appliance；Two level energy-saving appliance also with air channel
And air air inlet, smoke outlet are connected；Air air inlet one end is provided with air blower；Air air inlet is additionally provided with condensed water
Arrange mouth and mixed wind air duct；Air channel is also connected with mixed wind exhausting duct；It is provided with mixed air duct air-valve on mixed wind exhausting duct；It is described
Mixed wind air duct, smoke outlet, mixed wind air duct and air air inlet are respectively provided with and are connected to outdoor air after through walls.
Among the above, the level-one energy-saving appliance and/or two level energy-saving appliance are high efficiency plate heat exchanger.
Among the above, the mixed wind air duct is also associated with mixed wind wind turbine.
Among the above, it is additionally provided with air-filtering window on the mixed wind wind turbine.
Using the above scheme, exhaust gas temperature can be reduced, " thermal pollution " to environment, good environmental protection effect are reduced；
Quickly recycling heat saves natural gas consumption, economic benefits；Boiler thermal efficiency is improved, energy-saving effect is notable；High efficiency plate
Heat exchange core body, the investment payback time is short, remarkable in economical benefits；Moisture discharge amount in flue gas is reduced, is mitigated " white haze ", environmental protection effect
Significantly；Nitrogen oxide emission in boiler smoke is reduced, is contributed to improving air quality, cost of investment is low, system operation
Low energy consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1:Level-one energy-saving appliance；2：Two level energy-saving appliance；3：Boiler exhaust gas road；4：Into cigarette air-valve；5：Water inlet；6：Go out
The mouth of a river；7：Condensed water arranges mouth；8：Smoke outlet；9：Mixed air duct air-valve；10：Mixed wind exhausting duct；11：Air channel air-valve；12：Air
Air duct；13：Air blower； 14：Mixed wind wind turbine；15：Mixed wind air duct；16：Air air inlet；17：Air-filtering window.
Specific implementation mode
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.But many different forms may be used to realize in the utility model, however it is not limited to described in this specification
Embodiment.It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element or
There may also be elements placed in the middle by person.When an element is considered as " connection " another element, it can be directly to
Another element may be simultaneously present centering elements.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification
" and/or " include one or more relevant Listed Items any and all combinations.
Embodiment 1
As shown in Figure 1, a kind of gas-fired boiler high effective flue gas depth waste heat recovery of the utility model offer and demister system, including
Boiler further includes the air channel 12 being connect respectively with boiler and boiler exhaust gas road 3；It is provided with air on the air channel 12
Air duct air-valve 11；The level-one energy-saving appliance 1 being connect into cigarette air-valve 4 and with into cigarette air-valve 4, level-one section are provided on boiler exhaust gas road 3
Can device 1 top be provided with water inlet 5, lower part is provided with water outlet 6 and condensed water row's mouth 7,1 other end of level-one energy-saving appliance with
Two level energy-saving appliance 2 is connected；Two level energy-saving appliance 2 is also connected with air channel 12 and air air inlet 16, smoke outlet 8；Air
16 one end of air inlet is provided with air blower 13；Air air inlet 16 is additionally provided with condensed water row's mouth 7 and mixed wind air duct 15；Air wind
Road is also connected with mixed wind exhausting duct 10；It is provided with mixed air duct air-valve 9 on mixed wind exhausting duct 10；The mixed wind air duct 15, smoke evacuation
Mouth 8, mixed wind air duct 15 and air air inlet 16 are respectively provided with and are connected to outdoor air after through walls.Level-one energy-saving appliance 1 and/or two
Grade energy-saving appliance 2 is high efficiency plate heat exchanger.The mixed wind air duct 15 is also associated with mixed wind wind turbine 14.On the mixed wind wind turbine 14
It is additionally provided with air-filtering window 17.
Further, referring to Fig.1, level-one energy-saving appliance 1 and two level energy-saving appliance 2 are the capital equipments in system, effect be by
Heat recovery in flue gas, while the vapor in flue gas is condensed into water, level-one energy-saving appliance and two level energy-saving appliance are one kind
High-efficiency board type heat transfer equipment, plays the role of heat exchange；Level-one energy-saving appliance (can be returned for heating using the lower water of temperature
Water, boiler replenishing water, boiler blow-down water, process water etc.) cool down to flue gas；Flue gas after cooling enters two level energy-saving appliance, and two
Grade energy-saving appliance carries out deep condensation cooling using the air of low temperature, for the particularity of gas fired-boiler, the air blower cold of boiler
It is not enough to carry out deep condensation cooling to flue gas, therefore introduces mixed wind wind turbine and carry out condensation cooling.By level-one energy-saving appliance and two level
After energy-saving appliance, the temperature of flue gas is reduced to 40 DEG C or so, and vapor therein is also condensed into liquid water.The air blower heated is empty
Gas enters boiler and carries out combustion-supporting, because its temperature is preheated by two level energy-saving appliance, therefore plays and reduces boiler air consumption i.e.
Energy-efficient purpose.The cold wind of mixed wind wind turbine is after the heating of two level energy-saving appliance, you can be utilized, can also be emptied to room
Outside.
The utility model has the advantages that：Exhaust gas temperature can be reduced, " thermal pollution " to environment, good environmental protection are reduced
Effect；Quickly recycling heat saves natural gas consumption, economic benefits；Boiler thermal efficiency is improved, energy-saving effect is notable；It is high
Plate-type heat-exchange core is imitated, the investment payback time is short, remarkable in economical benefits；Moisture discharge amount in flue gas is reduced, is mitigated " white haze ", ring
It is notable to protect effect；Nitrogen oxide emission in boiler smoke is reduced, is contributed to improving air quality, cost of investment is low, is
Operation energy consumption of uniting is low.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations should all belong to the protection model of the appended claims for the utility model
It encloses.
Claims (4)
1. a kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system, including boiler, which is characterized in that further include difference
The air channel and boiler exhaust gas road being connect with boiler；Air channel air-valve is provided on the air channel；Boiler exhaust gas road
On be provided with the level-one energy-saving appliance being connect into cigarette air-valve and with into cigarette air-valve, level-one energy-saving appliance top is provided with water inlet, lower part
It is provided with water outlet and condensed water row's mouth, the level-one energy-saving appliance other end is connected with two level energy-saving appliance；Two level energy-saving appliance also with
Air channel and air air inlet, smoke outlet are connected；Air air inlet one end is provided with air blower；Air air inlet is also set up
There are condensed water row's mouth and mixed wind air duct；Air channel is also connected with mixed wind exhausting duct；It is provided with mixed air duct on mixed wind exhausting duct
Air-valve；The mixed wind air duct, smoke outlet, mixed wind air duct and air air inlet are respectively provided with and are connected to outdoor air after through walls.
2. gas-fired boiler high effective flue gas depth waste heat recovery as described in claim 1 and demister system, which is characterized in that described one
Grade energy-saving appliance and/or two level energy-saving appliance are high efficiency plate heat exchanger.
3. gas-fired boiler high effective flue gas depth waste heat recovery as described in claim 1 and demister system, which is characterized in that described mixed
Wind air duct is also associated with mixed wind wind turbine.
4. gas-fired boiler high effective flue gas depth waste heat recovery as claimed in claim 3 and demister system, which is characterized in that described mixed
It is additionally provided with air-filtering window on wind wind turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905779.0U CN207797092U (en) | 2017-07-25 | 2017-07-25 | A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905779.0U CN207797092U (en) | 2017-07-25 | 2017-07-25 | A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797092U true CN207797092U (en) | 2018-08-31 |
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| CN201720905779.0U Active CN207797092U (en) | 2017-07-25 | 2017-07-25 | A kind of gas-fired boiler high effective flue gas depth waste heat recovery and demister system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849564A (en) * | 2019-04-25 | 2020-10-30 | 北京凯德恒源科技发展有限公司 | Deep recovery method of coke oven crude gas heat energy |
-
2017
- 2017-07-25 CN CN201720905779.0U patent/CN207797092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849564A (en) * | 2019-04-25 | 2020-10-30 | 北京凯德恒源科技发展有限公司 | Deep recovery method of coke oven crude gas heat energy |
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