CN104676619B - The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly - Google Patents
The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly Download PDFInfo
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- CN104676619B CN104676619B CN201510042413.0A CN201510042413A CN104676619B CN 104676619 B CN104676619 B CN 104676619B CN 201510042413 A CN201510042413 A CN 201510042413A CN 104676619 B CN104676619 B CN 104676619B
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- shell body
- collecting
- waste heat
- heat recovery
- tank
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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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- Chimneys And Flues (AREA)
Abstract
The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly, it is mainly: upper end small-bore with truncated cone shape connecting leg, chimney lower end is connected, connecting leg heavy caliber lower end is connected with waste heat recovery package shell body upper end open, this shell body being vertically arranged, bottom sets smoke inlet, shell body lower end is connected with collecting-tank upper end open, the shell body being connected with collecting-tank upper shed is provided with overfall, above-mentioned collecting-tank sets discharge outlet, it is connected with dividing wall type heat exchanger thermal medium entrance by circulating pump and conduit, water at low temperature after the cooling that dividing wall type heat exchanger thermal medium outlet is discharged enters water distribution system, this water distribution system is connected with the nozzle being located at shell body internal upper part, it is provided with packing layer in nozzle casing below.Although present invention occupation area of equipment is little, investment cost is low, but same as the prior art to the waste heat recovery ability of gas fired-boiler flue gas, and energy-saving efficiency is obvious.
Description
Technical field
The present invention relates to a kind of gas fired-boiler fume afterheat degree of depth retracting device.
Background technology
Along with rapid economic development, energy growing tension, people increasingly focus on the waste heat recovery of boiler exhaust gas,
Especially the condensing units of gas fired-boiler smoke evacuation, as the utilization of secondary energy sources, has become as China energy-conservation
Research direction most potential in the strategy reduced discharging.At present, return at gas fired-boiler condensation heat of flue gas both at home and abroad
Dominant technology direction in receipts field is the deep temperature reduction (30 DEG C) utilizing heat pump techniques to realize smoke evacuation, in order to keep away
Exempt from flue gas the corrosion (dew point corrosion) to evaporator with heat pump after steam coagulation, need to arrange efficient, resistance to
The smoke heat replacing device of corrosion, such as fountain smoke heat replacing device, utilize shower water to extract from flue gas remaining
Heat, as the low-grade heat source of heat pump.Normal practice is that this device is arranged apart with boiler chimney, due to
Boiler exhaust gas volume flow is big, and the type device volume is huge, and usual existing boiler on-site land used is nervous,
Become the real bottleneck problem of fume afterheat degree of depth recovery technology transformation, and when not Mist heat recovering operating mode
Flue booster fan is always maintained at opening, deficiency in economic performance.
Summary of the invention
It is an object of the invention to provide a kind of gas fired-boiler chimney that occupation area of equipment is little, investment cost is low
The device two-in-one with fountain flue gas waste heat recovery assembly.The present invention is mainly gas fired-boiler chimney with remaining
Recuperation of heat assembly be connected as a single entity composition one be chimney and the device of waste heat recovery.
The invention mainly comprises: chimney, connecting leg and waste heat recovery assembly.Wherein, chimney and existing chimney phase
With being cylinder, upper end small-bore with truncated cone shape connecting leg, its lower end is connected, and connecting leg heavy caliber lower end is returned with waste heat
Receive package shell body upper end open to be connected.This shell body being vertically arranged is cylindrical in shape, and bottom sets smoke inlet, outward
Housing lower end is connected with collecting-tank upper end open, and the shell body being connected with collecting-tank upper shed is provided with overfall,
So that unnecessary condensed water is discharged.Above-mentioned collecting-tank sets discharge outlet, and it is by circulating pump and conduit and partition
Formula exchanger heat medium inlet is connected, and as the low-grade heat source of heat pump, goes out from dividing wall type heat exchanger thermal medium
Water at low temperature after the cooling that mouth is discharged enters water distribution system, this water distribution system and the spray being located at shell body internal upper part
Mouth is connected.Preferably collecting-tank also sets a through hole, and it is connected with online pH value monitoring device by conduit, when
When pH value reaches certain limit value, feeding back to control system by signal, control system then starts associated mechanisms to collection
Alkalescent medicine is thrown in, it is ensured that shower water is alkalescence, is of value to the suction of SO2, NOx in flue gas in pond
Receive.Being provided with some packing layers in nozzle casing below, best filler is resistant to elevated temperatures to revolve louvered not
Stainless steel helices, wherein BAIYE generally rectangle, rely on serrated metal spine support, and the most circular filler is
Fixing filler, whole filler block supports is on I-steel, and I-steel welds with apparatus casing, on I-steel
Being provided with Os Draconis sliding rail, the Os Draconis being located on this sliding rail pass through Offset slider-crank mechanism and motor
Being connected, louvered stainless steel helices is connected with zigzag Os Draconis, the shutter angle of slip adjustable around,
During waste heat recovery operating mode, BAIYE direction and device centrage are 45° angle；When not Mist heat recovering operating mode,
Louvered filler is opening, is 0 ° of angle with device centrage, can reduce the cigarette collateral resistance of device.?
Good, demister is set in chimney, relies on gravity to make water smoke drip with flue gas with the effect of inertia and separate, collection
Water droplet flows into fountain smoke heat replacing device along chimney, it is to avoid the waste of water resource.
The flue gas that the work process of the present invention is discharged approximately as: gas fired-boiler enters waste heat recovery through smoke inlet
In package shell body, the water sprayed with the nozzle of stainless steel helices and water distribution system in uphill process directly connects
Touching heat exchange, up flue gas is discharged by connecting leg, demister and chimney after heat exchange is lowered the temperature；Descending is low
Temperature shower water falls into collecting-tank after heating up with flue gas heat exchange, circulating pump deliver to dividing wall type heat exchanger conduct
The low-grade heat source of heat pump, returns water distribution system and realizes circulated sprinkling after cooling.
Although the present invention compared with prior art has the advantage that present invention occupation area of equipment is little, invests
Expense is low, but same as the prior art to the waste heat recovery ability of gas fired-boiler flue gas, this technology and heat pump skill
Art combines, and exhaust gas temperature can be down to less than 30 DEG C, and then the natural gas energy resource of gas fired-boiler is utilized effect
Rate improves more than 10%, and can close flue booster fan when not Mist heat recovering operating mode, reduces the whole year
The total power consumption of booster fan about 2/3, increases and existing gas fired-boiler carries out the feasible of fume afterheat degree of depth recovery transformation
Property.
Accompanying drawing explanation
Fig. 1 is that example 1 of the present invention is main regards section simplified schematic diagram.
Fig. 2 is that example 2 of the present invention is main regards section simplified schematic diagram.
Fig. 3 is A-A view in embodiment 2.
Fig. 4 is the filler top view of example 3 of the present invention.
In figure: 1. chimney, 2. connecting leg, 3. shell body, 4. water distribution system, 5. nozzle, 6. dividing wall type heat exchanger,
7-1,7-2,7-3,7-4. stainless steel helices, 8. smoke inlet, 9. online pH value monitor controller, 10. overflows
Head piece, 11. demisters, 12. collecting-tanks, 13. circulating pumps, 14. I-steel, 15. Os Draconis, 16. hinges, 17.
Suspension ring.
Detailed description of the invention
Embodiment 1:
At the device that a kind of gas fired-boiler chimney shown in Fig. 1 is two-in-one with fountain flue gas waste heat recovery assembly
In, inside set columnar chimney 1 lower end and the small-bore upper end of truncated cone shape connecting leg 2 of rotary folding streaming demister 11
Being connected, connecting leg heavy caliber lower end is connected with waste heat recovery package shell body 3 upper end open.This is vertically arranged
Shell body is cylindrical in shape, and bottom sets smoke inlet 8, and shell body lower end is connected with collecting-tank 12 upper end open, with collection
The shell body that pond upper shed is connected is provided with overfall 10.Above-mentioned collecting-tank sets discharge outlet, and it is by circulation
Pump 13 and conduit are connected with dividing wall type heat exchanger 6 thermal medium entrance, arrange from dividing wall type heat exchanger thermal medium outlet
Water at low temperature after the cooling gone out enters water distribution system 4, this water distribution system and the nozzle 5 being located at shell body internal upper part
It is connected.Collecting-tank also sets a through hole, and it is connected, at nozzle with online pH value monitoring device 9 by conduit
Being provided with 4 layers of stainless steel helices layer 7-1,7-2,7-3,7-4 in casing below, whole filler block supports exists
On I-steel 14, I-steel 14 welds with device housings body 3.
Embodiment 2:
At the device that a kind of gas fired-boiler chimney shown in Fig. 2 is two-in-one with fountain flue gas waste heat recovery assembly
In, inside set columnar chimney 1 lower end and the small-bore upper end of truncated cone shape connecting leg 2 of rotary folding streaming demister 11
Being connected, connecting leg heavy caliber lower end is connected with waste heat recovery package shell body 3 upper end open.This is vertically arranged
Shell body is cylindrical in shape, and bottom sets smoke inlet 8, and shell body lower end is connected with collecting-tank 12 upper end open, with collection
The shell body that pond upper shed is connected is provided with overfall 10.Above-mentioned collecting-tank sets discharge outlet, and it is by circulation
Pump 13 and conduit are connected with dividing wall type heat exchanger 6 thermal medium entrance, arrange from dividing wall type heat exchanger thermal medium outlet
Water at low temperature after the cooling gone out enters water distribution system 4, this water distribution system and the nozzle 5 being located at shell body internal upper part
It is connected.Collecting-tank also sets a through hole, and it is connected, at nozzle with online pH value monitoring device 9 by conduit
4 layers of stainless steel helices layer 7-1,7-2,7-3,7-4. it are provided with in casing below.Filler is resistant to elevated temperatures rotation
Louvered stainless steel helices, wherein BAIYE generally rectangle, rely on serrated metal Os Draconis 15 to support, around
Circular filler is fixing filler, and whole filler block supports is on I-steel 14, outside I-steel 14 is with equipment
Housing 3 welds, and I-steel 14 is provided with Os Draconis sliding rail, and the Os Draconis 15 being located on this sliding rail lead to
Crossing Offset slider-crank mechanism to be connected with motor, louvered stainless steel helices is connected with zigzag Os Draconis 15..
Embodiment 3:
Its population structure is the most same as Example 2, and simply filler part is different, and as shown in Figure 4, the present invention fills out
Material is resistant to elevated temperatures lift-on/lift-off type stainless steel helices, and it has two pieces of split rectangular slabs, and two split limit phases
Neighbour, the position adjacent with split limit respectively sets suspension ring 17, and these suspension ring are connected with chain one end, chain another
End stretches out shell body and is connected with hoist engine.The another two limit that two rectangular slabs are relative with split two limits is provided with
The hinge 16 that it is connected with fixing filler.
The present invention does not limit to above-mentioned preferred forms, all impartial changes done according to scope of the present invention patent
Change and modify, all should belong to the covering scope of the present invention.
Claims (1)
1. the device that a gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly, upper end small-bore with truncated cone shape connecting leg, chimney lower end is connected, connecting leg heavy caliber lower end is connected with waste heat recovery package shell body upper end open, this shell body being vertically arranged, bottom sets smoke inlet, shell body lower end is connected with collecting-tank upper end open, the shell body being connected with collecting-tank upper shed is provided with overfall, above-mentioned collecting-tank sets discharge outlet, it is connected with dividing wall type heat exchanger thermal medium entrance by circulating pump and conduit, water at low temperature after the cooling that dividing wall type heat exchanger thermal medium outlet is discharged enters water distribution system, this water distribution system is connected with the nozzle being located at shell body internal upper part, it is provided with packing layer in nozzle casing below；Collecting-tank also sets a through hole, and it is connected with on-line pH value monitoring device by conduit；It is characterized in that: filler is resistant to elevated temperatures to revolve louvered stainless steel helices, wherein BAIYE generally rectangle, rely on serrated metal spine support, the most circular filler is fixing filler, whole filler block supports is on I-steel, and I-steel welds with apparatus casing, and I-steel is provided with Os Draconis sliding rail, the Os Draconis being located on this sliding rail are connected with motor by Offset slider-crank mechanism, and louvered stainless steel helices is connected with zigzag Os Draconis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042413.0A CN104676619B (en) | 2015-01-28 | 2015-01-28 | The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042413.0A CN104676619B (en) | 2015-01-28 | 2015-01-28 | The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104676619A CN104676619A (en) | 2015-06-03 |
| CN104676619B true CN104676619B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042413.0A Expired - Fee Related CN104676619B (en) | 2015-01-28 | 2015-01-28 | The device that a kind of gas fired-boiler chimney is two-in-one with fountain flue gas waste heat recovery assembly |
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| CN (1) | CN104676619B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157051B (en) * | 2015-08-24 | 2018-01-05 | 上海华向节能环保科技有限公司 | Fluoroplastics waste heat recovery and minimum discharge integrated apparatus |
| CN106123614A (en) * | 2016-07-21 | 2016-11-16 | 太仓贝斯特机械设备有限公司 | A kind of environment-friendly type waste heat reclaiming flue for mould heating furnace |
| CN107421352A (en) * | 2017-09-08 | 2017-12-01 | 清华大学 | Twin-stage superposition type high-humidity gas fume condensation spray heat-exchange method and device |
| CN107462085B (en) * | 2017-09-22 | 2023-12-26 | 北京华誉能源技术股份有限公司 | Flue gas waste heat recovery system and method |
| CN111425875B (en) * | 2020-02-27 | 2022-02-11 | 浙江大学 | Dividing wall type flue gas waste heat deep recycling system with condensed water spraying function |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110536Y (en) * | 2007-09-24 | 2008-09-03 | 广州德上能源技术有限公司 | Flue gas waste heat recovery energy-saving system |
| CN101398181A (en) * | 2007-09-24 | 2009-04-01 | 广州德上能源技术有限公司 | Flue gas waste heat recovery method and system for oil and gas boiler |
| JP2010164248A (en) * | 2009-01-16 | 2010-07-29 | Ebara Corp | Absorption heat pump |
| CN101530720B (en) * | 2009-03-16 | 2011-01-05 | 宜兴市展宏环保设备有限公司 | Acid fog absorption tower |
| FI20115589L (en) * | 2011-06-14 | 2012-12-15 | Reijo Lemmetty | Method and apparatus for utilizing heat energy |
| CN103721538A (en) * | 2013-12-30 | 2014-04-16 | 清华大学 | Integrated treatment and utilizing device for recovering and denitrating smoke waste heat and condensate water of natural gas |
| CN203990294U (en) * | 2014-08-13 | 2014-12-10 | 北京源深节能技术有限责任公司 | Spray flue gas waste heat recovery and denitrification integrated device |
| CN104279794B (en) * | 2014-10-21 | 2017-01-25 | 郑州大学 | Heat pump system with smoke waste heat full-recovery function and method for preparing high-temperature hot water |
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2015
- 2015-01-28 CN CN201510042413.0A patent/CN104676619B/en not_active Expired - Fee Related
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