CN205481076U - Flue gas waste heat recovery system - Google Patents
Flue gas waste heat recovery system Download PDFInfo
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- CN205481076U CN205481076U CN201620267126.XU CN201620267126U CN205481076U CN 205481076 U CN205481076 U CN 205481076U CN 201620267126 U CN201620267126 U CN 201620267126U CN 205481076 U CN205481076 U CN 205481076U
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- flue gas
- outlet
- water inlet
- pipe
- water
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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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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a flue gas waste heat recovery system, including energy tower, deacidification device and heat exchanger, the heat exchanger includes evaporimeter and condenser, energy tower pass through drainage pipe with the deacidification device is linked together, the deacidification device loop through total inlet tube, first inlet tube with the condenser is linked together, the condenser loop through first outlet pipe, total outlet pipe with energy tower is linked together, the deacidification device loop through total inlet tube, second inlet tube with the evaporimeter is linked together, the evaporimeter loop through second outlet pipe, total outlet pipe with energy tower is linked together. The beneficial effects of the utility model are that: the utility model discloses a flue gas waste heat recovery system, energy saving and emission reduction. In winter, the flue gas heat is absorbed in the operation of energy tower, can keep unit high -efficient operation under external low temperature condition, in summer, energy tower can be done the cooling tower and use, equate ordinary cooler air -conditioner, a tractor serves several purposes, avoidance of repetition investment.
Description
Technical field
This utility model relates to energy recovery and utilizes technical field, particularly relates to a kind of flue gas waste heat recovery system.
Background technology
In recent years, due to energy shortage, along with energy conservation is carried out further.Various novel, energy-conservation advanced person
The type of furnace is gradually improved, and uses advanced burner to enhance burning, reduces imperfect combustion amount, air-fuel
More reasonable than also tending to.But, reduce the become estranged technology of Mist heat recovering of exhaust gas heat loss and be still in progress unhappy.For
The further raising thermal efficiency, reaches energy-saving and cost-reducing purpose.Flue gas is that general energy consumption equipment wastes energy
Main path, the boiler exhaust gas such as fire coal, combustion gas consumes energy about 15%, and flue gas waste heat recovery is mainly passed through
The heat that flue gas is carried by certain heat exchange mode is converted into utilizable heat, and Mist heat recovering is also one
The energy saving way that item is important.
The exhaust gas temperature of boiler is generally more than 100 DEG C, directly the waste of discharge energy beyond doubt, and flue gas
In containing pollutant, cause atmospheric pollution.The waste heat recovery of flue gas is typically by preheating, recovery section heat
Amount.Typically utilize heating water return, the partial heat of flue gas can be absorbed, isolate the part contained in flue gas
Water vapour and nitrogen oxides.But being limited to heating water return and have higher temperature, smoke evacuation can not drop to heat back
Below coolant-temperature gage, so recovery waste heat is thorough not, the flue gas of discharge still suffers from certain pollution and waste.
Utility model content
In order to solve the problems referred to above that prior art exists, this utility model provides a kind of flue gas waste heat recovery
System.
The technical scheme that this utility model is used is: a kind of flue gas waste heat recovery system, including energy tower,
Deacidification device and heat exchanger, described heat exchanger includes that vaporizer and condenser, described energy tower pass through drain pipe
Road is connected with described deacidification device, and described deacidification device passes sequentially through water inlet manifold, the first water inlet pipe and institute
Stating condenser to be connected, described condenser passes sequentially through the first outlet pipe, total outlet pipe and described energy tower phase
Connection；Described deacidification device passes sequentially through water inlet manifold, the second water inlet pipe is connected with described vaporizer, institute
State that vaporizer passes sequentially through the second outlet pipe, total outlet pipe is connected with described energy tower；Described first water inlet
Pipe is provided with valve I, and described second water inlet pipe is provided with valve II, and described first outlet pipe is provided with valve III, institute
State the second outlet pipe and be provided with valve IV；
Described energy tower is provided with water replanishing device, flue gas flow ipe, flue gas circulation chamber, air outlet, condensation
Flow inlet, spray equipment and discharge outlet；Described flue gas flow ipe is located under described flue gas circulation chamber
Side, the top of described flue gas circulation chamber is provided with described air outlet, and flue gas is defeated by described flue gas flow ipe
Enter to described flue gas circulation chamber, exported by described air outlet；Described condensation flow entrance is located at described cigarette
The upside of air-flow cavity room, described discharge outlet is located at the downside of described flue gas circulation chamber；Described condensed water leads to
Cross described condensation flow entrance and flow through described spray equipment, flowed out by described discharge outlet；Described condensation flow
Entrance is connected with described total outlet pipe；
The sidewall of described first water inlet pipe offers the first end water inlet, and the sidewall of described first outlet pipe is opened
It is provided with the first outlet water at tail end mouth；The sidewall of described second water inlet pipe offers the second end water inlet, and described
The sidewall of two outlet pipes offers the second outlet water at tail end mouth.
As further improvement of the utility model, described condensation flow entrance and described discharge outlet set up separately in institute
State the left and right sides of energy tower.
As further improvement of the utility model, described air outlet is provided with air-introduced machine.
As further improvement of the utility model, described first end water inlet and described second end enter water
Mouthful be all connected with total end water inlet pipe, described first outlet water at tail end mouth and described second outlet water at tail end mouth all with
Total outlet water at tail end pipe is connected.
Further improving, described first end water inlet is entered with described total end by the first end water inlet pipe
Water pipe is connected, and described first end water inlet pipe is provided with valve V；Described second end water inlet is by the
Two end water inlet pipes are connected with described total end water inlet pipe, and described second end water inlet pipe is provided with valve VI；
Described first outlet water at tail end mouth is connected with described total outlet water at tail end pipe by the first outlet water at tail end pipe, and described
One outlet water at tail end pipe is provided with valve VII；Described second outlet water at tail end mouth passes through the second outlet water at tail end pipe with described
Total outlet water at tail end pipe is connected, and described second outlet water at tail end pipe is provided with valve VIII.
As further improvement of the utility model, the downside of described energy tower is additionally provided with overfall, described excessive
Head piece and described discharge outlet are divided into the left and right sides of described energy tower, and the level height of described overfall is higher than
The level height of described discharge outlet.
Further improving, described overfall is connected with another deacidification device.
As further improvement of the utility model, what the top of described flue gas circulation chamber was provided with is horizontally disposed with
Latticed filler.Latticed filler makes flue gas be uniformly dispersed, and increases flue gas and condensed water contact surface.
Further improving, described latticed filler is suitable with the inwall of described flue gas circulation chamber.
As further improvement of the utility model, the centre of described water inlet manifold is provided with water pump.
The orientation concept such as up and down occurred in the application All Files is with flue gas waste heat recovery system shown in Fig. 1
Being as the criterion up and down of system.
Energy tower winter heating needs to absorb the heat of atmospheric environment, owing to winter temperature is relatively low, so machine
During heating operation, efficiency is relatively low.Properly functioning energy tower heat pump cold water temperature in winter in subzero,
Needing to add antifreezing agent, energy tower part, it is generally required to increase a set of automatic medicament feeding system, adds the difficulty of control
Degree and operation risk.Flue gas waste heat recovery system, utilizes the flue gas of high temperature, makes cold water part permissible in the winter time
Controlling above freezing, there is not the risk of frost in cold water part, meanwhile, the evaporating temperature that machine runs is relatively
Height, keeps machine Effec-tive Function not reduced the efficiency influence of fading brought by ambient temperature.
Owing to the cold water side coolant-temperature gage of energy tower heat pump winter operation is relatively low, Inlet and outlet water can keep about 10 DEG C,
So within eliminating flue-gas temperature can be reduced to 15 DEG C, by substantially all for the energy of flue gas recovery, then arranging
Amplify gas.During flue-gas temperature reduces, the steam in flue gas separates out, a small amount of nitrogen oxidation in flue gas
Thing is dissolved in water, and cool water quantity can be caused to increase.Overfall is set at energy tower, when liquid level is higher than overfall
During position, superfluous water discharges after deacidification.Simultaneously before the water pump of circulating chilled water, acid removal filter device is set,
Keep the water entering heat exchanger without corrosivity, reduce the design requirement of heat exchanger, and common energy tower is warm
During the design of heat exchanger of pump, after adding antifreezing agent due to needs consideration, the corrosivity of cold water, heat exchanger material one
As have a special requirement for anticorrosion, increase heat exchanger cost and difficulty.
Energy tower heat pump unit is in the case of in summer, boiler uses, can normal refrigerating operaton, now can
Source tower does cooling tower and uses, equivalent common air-conditioning refrigeration, a tractor serves several purposes, it is to avoid overlapping investment.
The beneficial effects of the utility model are: flue gas waste heat recovery system of the present utility model, energy-saving and emission-reduction.
In winter, energy tower runs and absorbs flue gas heat, can control the temperature of cold water side, not increase antifreezing agent system
Unit Effec-tive Function under extraneous cryogenic conditions can be kept in the case of system, reduce the difficulty and operation controlled
Risk, is not reduced the efficiency influence of fading brought by ambient temperature；
The flue-gas temperature discharged can be reduced to less than 15 DEG C, by substantially all for the energy of flue gas recovery, also may be used
Absorb the part toxic and harmful in flue gas；
Before water enters heat exchanger, flow through deacidification device, keep the water entering heat exchanger without corrosivity, reduce
The design requirement of heat exchanger；
Summer, energy tower can normal refrigerating operaton, now energy tower does cooling tower and uses, and equivalent is common empty
Modulate cold, a tractor serves several purposes, it is to avoid overlapping investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of flue gas waste heat recovery system that this utility model embodiment provides.
In figure: 1, energy tower；11, water replanishing device；12, flue gas flow ipe；13, flue gas circulation chamber；
14, air outlet；15, condensation flow entrance；16, spray equipment；17, discharge outlet；18, latticed fill out
Material；2, deacidification device；3, heat exchanger；31, vaporizer；32, condenser；4, drainage pipeline；5、
Water inlet manifold；51, the first water inlet pipe；52, the first outlet pipe；53, water pump；6, total outlet pipe；61、
Second water inlet pipe；62, the second outlet pipe；71, valve I；72, valve II；73, valve III；74, valve IV；
81, total end water inlet pipe；82, total outlet water at tail end pipe；83, the first end water inlet pipe；84, the second end
Water inlet pipe；85, the first outlet water at tail end pipe；86, the second outlet water at tail end pipe；91, valve V；92, valve
Ⅵ；93, valve VII；94, valve VIII；10, overfall；21, another deacidification device.
Detailed description of the invention
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As it is shown in figure 1, this utility model provides a kind of flue gas waste heat recovery system, including energy tower 1,
Deacidification device 2 and heat exchanger 3, heat exchanger 3 includes vaporizer 31 and condenser 32, and energy tower 1 is by row
Waterpipe 4 is connected with deacidification device 2, and deacidification device 2 passes sequentially through water inlet manifold the 5, first water inlet pipe
51 are connected with condenser 32, and condenser 32 passes sequentially through the first outlet pipe 52, total outlet pipe 6 and the energy
Tower 1 is connected；Deacidification device 2 passes sequentially through water inlet manifold the 5, second water inlet pipe 61 and vaporizer 31 phase
Connection, vaporizer 31 passes sequentially through the second outlet pipe 62, total outlet pipe 6 is connected with energy tower 1；The
One water inlet pipe 51 is provided with valve I 71, and the second water inlet pipe 61 is provided with valve II 72, and the first outlet pipe 52 sets
Valve III 73, the second outlet pipe 62 is had to be provided with valve IV 74；
Energy tower 1 is provided with water replanishing device 11, flue gas flow ipe 12, flue gas circulation chamber 13, air outlet
14, condensation flow entrance 15, spray equipment 16 and discharge outlet 17；Flue gas flow ipe 12 is located at flue gas stream
The downside of cavity room 13, the top of flue gas circulation chamber 13 is provided with air outlet 14, and flue gas is flowed into by flue gas
Pipeline 12 is input to flue gas circulation chamber 13, is exported by air outlet 14；Condensation flow entrance 15 is located at
The upside of flue gas circulation chamber 13, discharge outlet 17 is located at the downside of flue gas circulation chamber 13；Condensed water passes through
Condensation flow entrance 15 flows through spray equipment 16, is flowed out by discharge outlet 17；Condensation flow entrance 15 with
Total outlet pipe 6 is connected；
The sidewall of the first water inlet pipe 51 offers the first end water inlet, and the sidewall of the first outlet pipe 52 is offered
There is the first outlet water at tail end mouth；The sidewall of the second water inlet pipe 61 offers the second end water inlet, the second outlet pipe
The sidewall of 62 offers the second outlet water at tail end mouth.
The purpose of this utility model can also be realized further by techniques below measure.
Condensation flow entrance 15 and discharge outlet 17 set up separately in the left and right sides of energy tower 1.
Air outlet 14 is provided with air-introduced machine.Water replanishing device 11 is small pump, is input to spray by water by small pump
Shower device 16.
First end water inlet and the second end water inlet are all connected with total end water inlet pipe 81, the first end
Outlet and the second outlet water at tail end mouth are all connected with total outlet water at tail end pipe 82.
Further, the first end water inlet passes through the first end water inlet pipe 83 and total end water inlet pipe 81 phase
Connection, the first end water inlet pipe 83 is provided with valve V 91；Second end water inlet is intake by the second end
Pipe 84 is connected with total end water inlet pipe 81, and the second end water inlet pipe 84 is provided with valve VI 92；First end
Bring out the mouth of a river to be connected with total outlet water at tail end pipe 82 by the first outlet water at tail end pipe 85, the first outlet water at tail end pipe
85 are provided with valve VII 93；Second outlet water at tail end mouth is by the second outlet water at tail end pipe 86 and total outlet water at tail end pipe
82 are connected, and the second outlet water at tail end pipe 86 is provided with valve VIII 94.
The downside of energy tower 1 is additionally provided with overfall 10, and overfall 10 and discharge outlet 17 are divided into energy tower 1
The left and right sides, the level height of overfall 10 is higher than the level height of discharge outlet 17.
Overfall 10 is connected with another deacidification device 21.
The horizontally disposed latticed filler 18 that the top of flue gas circulation chamber 13 is provided with.Latticed filler 18
Flue gas is uniformly dispersed, increases flue gas and condensed water contact surface.
Concrete, latticed filler 18 is suitable with the inwall of flue gas circulation chamber 13.
In order to make water circulation more unobstructed, the centre of water inlet manifold 5 is provided with water pump.
In winter, valve II 72, valve IV 74, valve V 91 and valve VII 93 all open, valve I 71, valve III 73,
Valve VI 92 and valve VIII 94 are turned off, and the flue gas that boiler produces flows through flue gas by flue gas flow ipe 12
After circulation chamber 13, discharge from air outlet 14；Cold water enters cigarette through water replanishing device 11, spray equipment 16
After air-flow cavity room 13 and flue gas carry out heat exchange, enter deacidification device 2 by discharge outlet 17, after deacidification
It flow back into energy tower 1 after being pumped into vaporizer 31 heat exchange condensation by water pump；The water heated is needed to intake from total end
Pipe 81 enters, and flows out from total outlet water at tail end pipe 82 after flowing through condenser 32.
In summer, valve II 72, valve IV 74, valve V 91 and valve VII 93 be turned off, valve I 71, valve III 73,
Valve VI 92 and valve VIII 94 are all opened, and outside air flows through flue gas flowing lumen by flue gas flow ipe 12
Behind room 13, discharge from air outlet 14；Recirculated water in total outlet pipe enters flue gas stream through spray equipment 16
After cavity room 13 and outside air carry out heat exchange, by discharge outlet 17 enter deacidification device 2 (during summer,
Deacidification device need not deacidification, only does the circulation duct of water), water pump 53 pump into condenser 32 heat exchange and heat up
After flow back into energy tower 1；The water needing refrigeration enters from total end water inlet pipe 81, after flowing through vaporizer 31
Flow out from total outlet water at tail end pipe 82.
It should be noted that this utility model is not limited to above-mentioned preferred forms, anyone is in this practicality
Other various forms of products all can be drawn, no matter but making any in its shape or structure under novel enlightenment
Change, every have same as the present application or akin technical scheme, all falls within protection of the present utility model
Within the scope of.
Claims (10)
1. a flue gas waste heat recovery system, it is characterised in that: include energy tower, deacidification device and heat exchange
Device, described heat exchanger includes vaporizer and condenser, and described energy tower is by drainage pipeline and described deacidification dress
Putting and be connected, described deacidification device passes sequentially through water inlet manifold, the first water inlet pipe is connected with described condenser,
Described condenser passes sequentially through the first outlet pipe, total outlet pipe is connected with described energy tower；Described deacidification dress
Put and pass sequentially through water inlet manifold, the second water inlet pipe is connected with described vaporizer, and described vaporizer passes sequentially through
Second outlet pipe, total outlet pipe are connected with described energy tower；Described first water inlet pipe is provided with valve I, institute
Stating the second water inlet pipe and be provided with valve II, described first outlet pipe is provided with valve III, and described second outlet pipe sets
There is valve IV；
Described energy tower is provided with water replanishing device, flue gas flow ipe, flue gas circulation chamber, air outlet, condensation
Flow inlet, spray equipment and discharge outlet；Described flue gas flow ipe is located under described flue gas circulation chamber
Side, the top of described flue gas circulation chamber is provided with described air outlet, and flue gas is defeated by described flue gas flow ipe
Enter to described flue gas circulation chamber, exported by described air outlet；Described condensation flow entrance is located at described cigarette
The upside of air-flow cavity room, described discharge outlet is located at the downside of described flue gas circulation chamber；Described condensed water leads to
Cross described condensation flow entrance and flow through described spray equipment, flowed out by described discharge outlet；Described condensation flow
Entrance is connected with described total outlet pipe；
The sidewall of described first water inlet pipe offers the first end water inlet, and the sidewall of described first outlet pipe is opened
It is provided with the first outlet water at tail end mouth；The sidewall of described second water inlet pipe offers the second end water inlet, and described
The sidewall of two outlet pipes offers the second outlet water at tail end mouth.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described condensed water
Inflow entrance and described discharge outlet set up separately in the left and right sides of described energy tower.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described air outlet
It is provided with air-introduced machine.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described first end
End water inlet is all connected with total end water inlet pipe with described second end water inlet, described first outlet water at tail end
Mouth is all connected with total outlet water at tail end pipe with described second outlet water at tail end mouth.
Flue gas waste heat recovery system the most according to claim 4, it is characterised in that: described first end
End water inlet is connected with described total end water inlet pipe by the first end water inlet pipe, described first end water inlet
Pipe is provided with valve V；Described second end water inlet is intake with described total end by the second end water inlet pipe
Pipe is connected, and described second end water inlet pipe is provided with valve VI；Described first outlet water at tail end mouth passes through first
Outlet water at tail end pipe is connected with described total outlet water at tail end pipe, and described first outlet water at tail end pipe is provided with valve VII；
Described second outlet water at tail end mouth is connected with described total outlet water at tail end pipe by the second outlet water at tail end pipe, and described
Two outlet water at tail end pipes are provided with valve VIII.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described energy tower
Downside be additionally provided with overfall, described overfall and described discharge outlet are divided into the left and right sides of described energy tower,
The level height of described overfall is higher than the level height of described discharge outlet.
Flue gas waste heat recovery system the most according to claim 6, it is characterised in that: described overfall
It is connected with another deacidification device.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described flue gas stream
The horizontally disposed latticed filler that the top of cavity room is provided with.
Flue gas waste heat recovery system the most according to claim 8, it is characterised in that: described latticed
Filler is suitable with the inwall of described flue gas circulation chamber.
Flue gas waste heat recovery system the most according to claim 1, it is characterised in that: described total water inlet
The centre of pipe is provided with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267126.XU CN205481076U (en) | 2016-03-31 | 2016-03-31 | Flue gas waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267126.XU CN205481076U (en) | 2016-03-31 | 2016-03-31 | Flue gas waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205481076U true CN205481076U (en) | 2016-08-17 |
Family
ID=56646144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620267126.XU Active CN205481076U (en) | 2016-03-31 | 2016-03-31 | Flue gas waste heat recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205481076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101218A (en) * | 2017-03-17 | 2017-08-29 | 清华大学 | The compact flue gas depth waste-heat recovery device of efficient low-resistance |
| CN107792907A (en) * | 2016-09-05 | 2018-03-13 | 北京朗新明环保科技有限公司 | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat |
| CN112283930A (en) * | 2020-10-15 | 2021-01-29 | 广州芬尼泳池设备科技有限公司 | Condensate water recycling method, device, equipment and storage medium |
-
2016
- 2016-03-31 CN CN201620267126.XU patent/CN205481076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792907A (en) * | 2016-09-05 | 2018-03-13 | 北京朗新明环保科技有限公司 | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat |
| CN107101218A (en) * | 2017-03-17 | 2017-08-29 | 清华大学 | The compact flue gas depth waste-heat recovery device of efficient low-resistance |
| CN112283930A (en) * | 2020-10-15 | 2021-01-29 | 广州芬尼泳池设备科技有限公司 | Condensate water recycling method, device, equipment and storage medium |
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