CN106765252A - A kind of fountain flue gas waste heat recovery and cleaning system - Google Patents
A kind of fountain flue gas waste heat recovery and cleaning system Download PDFInfo
- Publication number
- CN106765252A CN106765252A CN201611208369.7A CN201611208369A CN106765252A CN 106765252 A CN106765252 A CN 106765252A CN 201611208369 A CN201611208369 A CN 201611208369A CN 106765252 A CN106765252 A CN 106765252A
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- Prior art keywords
- gas
- flue gas
- pipe
- heat recovery
- waste heat
- Prior art date
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000003546 flue gas Substances 0.000 title claims abstract description 90
- 239000002918 waste heat Substances 0.000 title claims abstract description 74
- 238000011084 recovery Methods 0.000 title claims abstract description 48
- 238000004140 cleaning Methods 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 125
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000000779 smoke Substances 0.000 claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 85
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 60
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 58
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 44
- 229910052760 oxygen Inorganic materials 0.000 claims description 44
- 239000001301 oxygen Substances 0.000 claims description 44
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 35
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 28
- 239000001569 carbon dioxide Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 21
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 17
- 229910001882 dioxygen Inorganic materials 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 4
- 241001212038 Arcola Species 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 23
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/40—Carbon monoxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/50—Carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to flue gas waste heat recovery and purification techniques field, more particularly to a kind of fountain flue gas waste heat recovery and cleaning system.The system includes that calibrating gas simulated flue gas occur system, gas fired-boiler smoke evacuation system and waste heat recovery cleaning system, and the waste heat recovery cleaning system connects the calibrating gas simulated flue gas and system and the gas fired-boiler smoke evacuation system occur respectively.The system simulates the amount of different boiler smokes by simulated flue gas, nitrogen oxides is few in solving the problems, such as arcola smoke evacuation, by the exhaust smoke level for testing actual boiler, mutually proved with simulated flue gas so that result is more accurate, disclosure satisfy that the requirement of different heat users, and can be with purifying smoke, pollution of the smoke evacuation to environment is reduced, the utilization rate of flue gas is improve, can regularly purifying smoke.
Description
Technical field
The present invention relates to flue gas waste heat recovery and purification techniques field, more particularly to a kind of fountain flue gas waste heat recovery with
Cleaning system.
Background technology
The main component of natural gas is methane, and substantial amounts of vapor can be produced after burning, because exhaust gas temperature is general 180
~250 DEG C, part sensible heat and whole latent heat in vapor can be discharged into air together with smoke evacuation, and with fume emission
Also have the pollutant such as nitrogen oxides and fine particulates.In order to reduce energy waste and environmental protection, fume afterheat is carried out
Reclaim and purification is very necessary.
Existing waste heat recovery mode have indirect type exchange heat and direct-type exchange heat, indirect type heat exchange due to pipeline thermal resistance compared with
Greatly, floor space is big, exchanges heat insufficient, and exhaust gas temperature is higher, and the most of latent heat in flue gas still can be with smoke evacuation temperature higher
Degree is discharged in air, and antiseptic power requirement of the indirect type heat exchange to pipeline is higher.The sufficient recovered flue gas of direct-type heat-energy transducer
Sensible heat and most of flue gas condensation heat, the recovery to heat is more thorough, but water after flue gas and water heat exchange is in acidity, no
Can directly utilize.
And existing gas cleaning mode has the generation technique of control NOx in burning preceding denitrification treatment technology, combustion process
And to the treatment technology of product NOx, wherein fuel pre-combustion denitrogenation processing after burning, lack research, it is costly；Burning
Middle low-NO_x combustion technology application it is more be flue gas recirculating technique, but flue gas recirculation causes that air velocity increases, and can cause
Combustion instability phenomenon；To the common technological means of NOx treatment it is to add in a small amount of alkaline matter and acidic materials after burning,
But to adding which kind of material lacks regularity cognition with the qualitative research of the amount of this material.
The content of the invention
(1) technical problem to be solved
It is an object of the invention to provide a kind of fountain flue gas waste heat recovery and cleaning system, existing waste heat recovery is solved
The heat exchange that mode is present is insufficient, and exhaust gas temperature is higher, it is impossible to the latent heat in recovered flue gas, it is impossible to water-soluble after effectively solving to spray
The acid problem of liquid.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of fountain flue gas waste heat recovery and cleaning system, bag
Include calibrating gas simulated flue gas and system, gas fired-boiler smoke evacuation system and waste heat recovery cleaning system occur, the waste heat recovery is net
Change system connects the calibrating gas simulated flue gas and system and the gas fired-boiler smoke evacuation system occurs respectively；
The calibrating gas simulated flue gas occur system includes oxygen gas bottle, nitric oxide gas bottle, carbon dioxide collection
Gas cylinder, sulfur dioxide gas bottle, vapor gas bottle, ozone generator and tube type resistance furnace, wherein the oxygen gas bottle
Gas outlet is connected with the air intake of the ozone generator, the ozone generator, oxygen gas bottle, nitric oxide gas bottle,
Carbon dioxide accumulation bottle, the gas outlet of sulfur dioxide gas bottle and vapor gas bottle enter gas with the tube type resistance furnace respectively
Mouth is connected；
The gas fired-boiler smoke evacuation system includes gas fired-boiler, heat user, heat pump and water bath with thermostatic control, wherein the gas-fired boiler
Stove is connected by boiler discharging tube with the heat user, and the heat user is connected by heat user return pipe with the heat pump, institute
State heat pump to be connected with the gas fired-boiler by boiler blow-down water pipe, the heat pump passes through condensate outlet pipe and the water bath with thermostatic control
It is connected；
The waste heat recovery cleaning system includes waste-heat recoverer, PH meters and Cistern with chemicals adding means, and the waste-heat recoverer passes through
Condensate outlet pipe is connected with the Cistern with chemicals adding means, and the Cistern with chemicals adding means is connected by condensate delivery pipe with the heat pump；
The tube type resistance furnace is connected by mixed gas delivery pipe with the waste-heat recoverer, and the gas fired-boiler passes through
Boiler smoke delivery pipe is connected with the waste-heat recoverer, and the water bath with thermostatic control is returned by water bath with thermostatic control outlet pipe with the waste heat
The shower that spray section is arranged in receipts device is connected.
Further, the waste-heat recoverer includes the demisting section, spray section and the solidifying water section that set gradually from top to bottom, its
Described in spray section be provided with least three layers shower being arranged in order from top to bottom, each shower respectively with the thermostatted water
Bath outlet pipe is connected.
Further, the PH meters are arranged on described adding including the display screen being arranged on outside the Cistern with chemicals adding means and insertion
Test plug in liquid medicine case internal condensate water.
Further, the oxygen gas bottle is connected by oxygen supply pipe with the ozone generator, and the oxygen is supplied
Should pipe be provided with the first oxygen flow meter, the first oxygen control valve and the first oxygen gauge；The ozone generator is by smelly
Oxygen delivery pipe is connected with the tube type resistance furnace, and the ozone delivery pipe is provided with ozone control valve and ozone flowmeter；It is described
Oxygen gas bottle is connected by oxygen conveying pipe with the tube type resistance furnace, and the oxygen conveying pipe is provided with the second oxygen flow
Meter, the second oxygen control valve and the second oxygen gauge；The nitric oxide gas bottle by nitric oxide delivery pipe with it is described
Tube type resistance furnace is connected, and the nitric oxide delivery pipe is provided with nitric oxide flowmeter, nitric oxide control valve and an oxidation
Nitrogen pressure gauge；The carbon dioxide accumulation bottle is connected by carbon dioxide delivery pipe with the tube type resistance furnace, the titanium dioxide
Carbon delivery pipe is provided with carbon dioxide stream gauge, carbon dioxide control valve and pressure carbon dioxide table；The sulfur dioxide gas collection
Bottle is connected by sulfur dioxide delivery pipe with the tube type resistance furnace, and the sulfur dioxide delivery pipe is provided with sulfur dioxide flow
Meter, sulfur dioxide control valve and sulfur dioxide pressure gauge；The vapor gas bottle passes through vapor delivery pipe and the tubular type
Resistance furnace is connected, and the vapor delivery pipe is provided with vapor flow meter, vapor control valve and water vapour pressure table.
Specifically, the mixed gas delivery pipe is provided with mixed gas flowmeter and mixed gas control valve.
Specifically, flue gas escaping pipe is provided with the top of the waste-heat recoverer, the bottom of the waste-heat recoverer is provided with lets out
Water pipe, the tapping pipe is provided with drain valve.
Specifically, the flue gas escaping pipe is provided with discharge flue gas analyzer, and the mixed gas delivery pipe is provided with mixed
Close flue gas analyzer.
Specifically, the boiler smoke delivery pipe is provided with boiler smoke analyzer and boiler smoke gas control valve.
Specifically, the water bath with thermostatic control outlet pipe is provided with constant temperature water ga(u)ge, feeding spraying pump and spray water regulating valve.
Specifically, the condensate delivery pipe is provided with condensate water pump and condenses water regulating valve, the condensate water outlet
Pipe is provided with condensation water control valve.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that：
Because the amount of actual boiler smoke is relevant with the size of gas fired-boiler and required payload, exhaust gas volumn it is uncertain and
If gas fired-boiler is smaller, exhaust gas volumn very little, is unfavorable for measuring the amount of the nitrogen oxides in flue gas, so as to can not accurately grind
Study carefully the rule for adding condensed water neutral and alkali thing.Therefore, the present invention provides a kind of fountain flue gas waste heat recovery and cleaning system, will
Waste heat recovery cleaning system connects calibrating gas simulated flue gas and system and gas fired-boiler smoke evacuation system occurs respectively, so as to realize mould
Intend the check of flue gas and actual flue gas.
Fountain flue gas waste heat recovery of the present invention and cleaning system, different boiler smokes are simulated by simulated flue gas
The amount of gas, solves the problems, such as that arcola discharge nitrogen oxides in effluent content is less；By testing the exhaust smoke level of actual boiler,
And mutually proved with simulated flue gas so that result is more accurate.
Fountain flue gas waste heat recovery of the present invention and cleaning system, can simulate the flue gas of different boiler sizes
Amount, meets the requirement of different heat users, and can reduce pollution of the smoke evacuation to environment with purifying smoke, improves the utilization of flue gas
Rate, can regularly purifying smoke.
Brief description of the drawings
Fig. 1 is the structural representation of the flue gas waste heat recovery of embodiment of the present invention fountain and cleaning system.
In figure：1：Ozone generator；2：Ozone controls valve；3：Ozone flowmeter；4:Tube type resistance furnace；5：Discharge flue gas point
Analyzer；6：Demisting section；7：Spray section；8：Solidifying water section；9：Constant temperature water ga(u)ge；10：Water bath with thermostatic control；11：Feeding spraying pump；12：It is remaining
Heat regenerator；13：PH is counted；14：Cistern with chemicals adding means；15：Drain valve；16：Condensate water pump；17：Gas fired-boiler；18：Heat user；
19：Heat pump；20：First oxygen flow meter；21：Oxygen gas bottle；22：Nitric oxide gas bottle；23：Carbon dioxide accumulation bottle；
24：Sulfur dioxide gas bottle；25：Vapor gas bottle；26：First oxygen control valve；27：First oxygen gauge；28：Second
Oxygen gauge；29：Second oxygen control valve；30：Second oxygen flow meter；31：Nitric oxide pressure gauge；32：Nitric oxide
Control valve；33：Nitric oxide flowmeter；34：Pressure carbon dioxide table；35：Carbon dioxide controls valve；36：Carbon dioxide flow
Meter；37：Sulfur dioxide pressure gauge；38：Sulfur dioxide controls valve；39：Sulfur dioxide flowmeter；40：Water vapour pressure table；41：
Vapor controls valve；42：Vapor flow meter；43：Spray water regulating valve；44：Ozone delivery pipe；45：Mixed gas delivery pipe；
46：Mixed gas flowmeter；47：Mixed flue gas analyzer；48：Mixed gas control valve；49：Condense water control valve；50：Flue gas
Escaping pipe；51：Tapping pipe；52：Condense water regulating valve；53：Condensate delivery pipe；54：Condensate outlet pipe；55：Water bath with thermostatic control
Outlet pipe；56：Shower；57：Heat user return pipe；58：Boiler blow-down water pipe；59：Boiler discharging tube；60：Boiler smoke is analyzed
Instrument；61：Boiler smoke gas control valve；62：Boiler smoke delivery pipe；63：Condensate outlet pipe；64：Oxygen supply pipe；65：Oxygen
Delivery pipe；66：Nitric oxide delivery pipe；67：Carbon dioxide delivery pipe；68：Sulfur dioxide delivery pipe；69：Vapor delivery pipe.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiment of the present invention provides a kind of fountain flue gas waste heat recovery and cleaning system, including Standard Gases
There is system, gas fired-boiler smoke evacuation system and waste heat recovery cleaning system, the waste heat recovery cleaning system point in body simulated flue gas
The calibrating gas simulated flue gas are not connected, and system and the gas fired-boiler smoke evacuation system occur.
Wherein described calibrating gas simulated flue gas occur system includes oxygen gas bottle 21, nitric oxide gas bottle 22, two
Carbonoxide gas bottle 23, sulfur dioxide gas bottle 24, vapor gas bottle 25, ozone generator 1 and tube type resistance furnace 4, wherein
The gas outlet of the oxygen gas bottle 21 is connected with the air intake of the ozone generator 1, the ozone generator 1, oxygen collection
Gas cylinder 21, nitric oxide gas bottle 22, carbon dioxide accumulation bottle 23, sulfur dioxide gas bottle 24 and vapor gas bottle 25 go out
Air intake of the gas port respectively with the tube type resistance furnace 4 is connected, and it is defeated that the gas outlet of the tube type resistance furnace 4 is connected with mixed gas
Send pipe 45.
The gas fired-boiler smoke evacuation system includes gas fired-boiler 17, heat user 18, heat pump 19 and water bath with thermostatic control 10, wherein institute
State gas fired-boiler 17 to be connected with the heat user 18 by boiler discharging tube 59, the heat user 18 passes through heat user return pipe 57
It is connected with the heat pump 19, the heat pump 19 is connected by boiler blow-down water pipe 58 with the gas fired-boiler 17, the heat pump 19 leads to
Cross condensate outlet pipe 54 to be connected with the water bath with thermostatic control 10, water bath with thermostatic control outlet pipe 55 be connected with the water bath with thermostatic control 10,
Boiler smoke delivery pipe 62 is connected with the gas fired-boiler 17.
The waste heat recovery cleaning system includes that waste-heat recoverer 12, PH counts 13 and Cistern with chemicals adding means 14, the waste heat recovery
Device 12 is connected by condensate outlet pipe 63 with the Cistern with chemicals adding means 14, the Cistern with chemicals adding means 14 by condensate delivery pipe 53 with
The heat pump 19 is connected.Wherein described waste-heat recoverer 12 includes the demisting section 6, spray section 7 for setting gradually from top to bottom and coagulates
Water section 8, wherein the spray section 7 is provided with least three layers shower 56 being arranged in order from top to bottom, by Multi-layer sprinkling pipe
Set to test optimal spray height.The PH meters 13 set including the display screen being arranged on outside the Cistern with chemicals adding means 14 and insertion
Put the test plug in the internal condensate water of the Cistern with chemicals adding means 14.
The tube type resistance furnace 4 is connected by the mixed gas delivery pipe 45 with the waste-heat recoverer 12, the combustion
Gas boiler 17 is connected by the boiler smoke delivery pipe 62 with the waste-heat recoverer 12, and the water bath with thermostatic control 10 is by described
Water bath with thermostatic control outlet pipe 55 is connected with each described shower 56 that spray section 7 is arranged in the waste-heat recoverer 12.
Furthermore, it is understood that the oxygen gas bottle 21 is connected by oxygen supply pipe 64 with the ozone generator 1, it is described
Oxygen supply pipe 64 is provided with the first oxygen flow meter 20, the first oxygen control valve 26 and the first oxygen gauge 27.
The ozone generator 1 is connected by ozone delivery pipe 44 with the tube type resistance furnace 4, the ozone delivery pipe 44
It is provided with ozone control valve 2 and ozone flowmeter 3.
The oxygen gas bottle 21 is connected by oxygen conveying pipe 65 with the tube type resistance furnace 4, the oxygen conveying pipe
65 are provided with the second oxygen flow meter 30, the second oxygen control valve 29 and the second oxygen gauge 28.
The nitric oxide gas bottle 22 is connected by nitric oxide delivery pipe 66 with the tube type resistance furnace 4, and described one
Nitrogen oxide delivery pipe 66 is provided with nitric oxide flowmeter 33, nitric oxide control valve 32 and nitric oxide pressure gauge 31.
The carbon dioxide accumulation bottle 23 is connected by carbon dioxide delivery pipe 67 with the tube type resistance furnace 4, and described two
Carbonoxide delivery pipe 67 is provided with carbon dioxide stream gauge 36, carbon dioxide control valve 35 and pressure carbon dioxide table 34.
The sulfur dioxide gas bottle 24 is connected by sulfur dioxide delivery pipe 68 with the tube type resistance furnace 4, and described two
Sulfur oxide delivery pipe 68 is provided with sulfur dioxide flowmeter 39, sulfur dioxide control valve 38 and sulfur dioxide pressure gauge 37.
The vapor gas bottle 25 is connected by vapor delivery pipe 69 with the tube type resistance furnace 4, the vapor
Delivery pipe 69 is provided with vapor flow meter 42, vapor control valve 41 and water vapour pressure table 40.
Specifically, the mixed gas delivery pipe 45 is provided with mixed gas flowmeter 46 and mixed gas control valve
48。
The top of the waste-heat recoverer 12 is provided with flue gas escaping pipe 50, and the bottom of the waste-heat recoverer 12 is provided with sluicing
Pipe 51, the tapping pipe 51 is provided with drain valve 15.
The flue gas escaping pipe 50 is provided with discharge flue gas analyzer 5, and the mixed gas delivery pipe 45 is provided with mixing
Flue gas analyzer 47.
The boiler smoke delivery pipe 62 is provided with boiler smoke analyzer 60 and boiler smoke gas control valve 61.
The water bath with thermostatic control outlet pipe 55 is provided with constant temperature water ga(u)ge 9, feeding spraying pump 11 and spray water regulating valve 43.
The condensate delivery pipe 53 is provided with condensate water pump 16 and condenses water regulating valve 52, the condensate outlet pipe
54 are provided with condensation water control valve 49.
The condensate outlet pipe 63 is close at bottom in being arranged on the waste-heat recoverer 12, is easy in solidifying water section 8
Condensate is flowed into the Cistern with chemicals adding means 14.The water bath with thermostatic control outlet pipe 55 is arranged on the lower half of the water bath with thermostatic control 10
Point, it is easy to the thermostatted water in the water bath with thermostatic control 10 to flow out.
For the corrosion of flue gas and condensate to pipeline in reduction system, all pipelines that the system was used are adopted
With the strong tubing of corrosion resistance, and insulation material is provided with outside each pipeline.
Fountain flue gas waste heat recovery described in the embodiment of the present invention is with the operation principle of cleaning system：
1st, the oxygen in oxygen gas bottle 21 is entered in ozone generator 1 by oxygen supply pipe 64, in ozone generator 1
In produced ozone entered in tube type resistance furnace 4 by ozone delivery pipe 44 again, to oxidizing gas mixture, mixed gas quilt
Entered in waste-heat recoverer 12 by mixed gas delivery pipe 45 after oxidation, exchanged heat with shower water.
2nd, calibrating gas oxygen, nitric oxide, carbon dioxide, sulfur dioxide and vapor, respectively by oxygen gas bottle
21st, it is delivered in nitric oxide gas bottle 22, carbon dioxide accumulation bottle 23, sulfur dioxide gas bottle 24 and vapor gas bottle 25
In tube type resistance furnace 4, and respectively by the second oxygen control valve 29, nitric oxide control valve 32, carbon dioxide control valve 35, two
Sulfur oxide controls valve 38 and vapor control valve 41 to control the input quantity of each calibrating gas, so that it burns according to certain gas fired-boiler
Than mock standard flue gas, the simulation mixed gas entered into after tube type resistance furnace 4 are passed through after ozone oxidation the composition of produced flue gas
Cross mixing air shooter 45 and enter into waste-heat recoverer 12 and be fully contacted with shower water, wherein in mixed gas delivery pipe 45
Mixed flue gas analyzer 47 is provided with, the concentration of each composition of mixed flue gas when not processed for measuring.
3rd, it is discharged in air by flue gas escaping pipe 50 after the completion of simulated flue gas and shower water heat exchange, wherein flue gas escaping pipe
Discharge flue gas analyzer 5 is installed, for measuring the concentration of each composition in discharge flue gas on 50.And the condensate after exchanging heat passes through
Condensate outlet pipe 63 is entered into Cistern with chemicals adding means 14, and the test plug of PH meters 13 is inserted into Cistern with chemicals adding means 14, and ensures inspection
Survey plug be immersed in condensate, by PH count display screen show acid-base property, and to added in Cistern with chemicals adding means 14 certain alkalescence
Material is used to neutralize acidity, and is discharged eventually through condensate delivery pipe.
4th, gas fired-boiler 17 burn after flue gas by boiler smoke delivery pipe 62 enter waste-heat recoverer 12 in, and with spray
Water is discharged in air after being fully contacted heat exchange by flue gas escaping pipe 50, is wherein provided with boiler smoke in boiler smoke delivery pipe 62
Qi leel analyzer, the concentration of each composition of boiler smoke when not processed for measuring.
5th, the condensate from the discharge of Cistern with chemicals adding means 14 is entered into heat pump 19 by condensate delivery pipe 53, after temperature reduction
In returning to water bath with thermostatic control 10 by condensate outlet pipe 54, shower water water temperature is changed by adjusting the temperature of water bath with thermostatic control 10,
The shower 56 that final shower water enters in waste-heat recoverer 12 by water bath with thermostatic control outlet pipe 55, the spray in shower 56
Water is discharged to Cistern with chemicals adding means 14 after heat exchange by being fully contacted heat exchange with the flue gas in waste-heat recoverer 12 after spray as condensate
In.
6th, the hot water after gas fired-boiler 17 is heated is entered into heat user 18 by boiler discharging tube 59, again by heat after radiating
User's return pipe 57 enters into and heat is absorbed in heat pump 19, is back in boiler 19 by boiler blow-down water pipe 58 again afterwards, with this
Circulation.
In sum, fountain flue gas waste heat recovery of the present invention and cleaning system, can simulate different boilers big
Small exhaust gas volumn, complete sensible heat and most of latent heat are reclaimed by spraying contact, and the condensate after spray after alkali process by becoming
Into neutral water, neutral water can be with recycling.
Fountain flue gas waste heat recovery of the present invention and cleaning system, are simulated by being input into various criterion gas
The exhaust smoke level of different boiler sizes, and then Energy Efficiency Analysis go out flue gas waste heat recovery with purification concerted reaction rule.
Fountain flue gas waste heat recovery of the present invention and cleaning system, after can simultaneously measuring the burning of certain gas fired-boiler
Flue gas and the reaction rule of shower water, are mutually authenticated with the rule that this rule is reacted with simulated flue gas with shower water, are drawn final
As a result.
Fountain flue gas waste heat recovery of the present invention and cleaning system, can as much as possible supply different heat use
Family, while the requirement when boiler runs at full capacity and part meet operation to exhaust smoke level can be avoided, by the difference of exhaust smoke level
The amount of simulated flue gas can optionally be configured.
Fountain flue gas waste heat recovery of the present invention and cleaning system, propose solution and do to the water process after spray
Method, takes into account the advantage of the Acidic water after purifying smoke and treatment spray while more Mist heat recovering amount.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connected ", " company
Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；It can be machine
Tool is connected, or electrically connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
In the description of the invention, unless otherwise indicated, " multiple " is meant that two or more；Term " on ",
The orientation or position relationship of the instruction such as D score, "left", "right", " interior ", " outward " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description, must has specifically rather than the machine or element for indicating or imply meaning
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of fountain flue gas waste heat recovery and cleaning system, it is characterised in that：Including calibrating gas simulated flue gas system
System, gas fired-boiler smoke evacuation system and waste heat recovery cleaning system, the waste heat recovery cleaning system connect the Standard Gases respectively
There is system and the gas fired-boiler smoke evacuation system in body simulated flue gas；
The calibrating gas simulated flue gas occur system includes oxygen gas bottle (21), nitric oxide gas bottle (22), titanium dioxide
Carbon gas bottle (23), sulfur dioxide gas bottle (24), vapor gas bottle (25), ozone generator (1) and tube type resistance furnace
(4), wherein the gas outlet of the oxygen gas bottle (21) is connected with the air intake of the ozone generator (1), the ozone hair
Raw device (1), oxygen gas bottle (21), nitric oxide gas bottle (22), carbon dioxide accumulation bottle (23), sulfur dioxide gas bottle
(24) it is connected with the air intake of the gas outlet respectively with the tube type resistance furnace (4) of vapor gas bottle (25)；
The gas fired-boiler smoke evacuation system includes gas fired-boiler (17), heat user (18), heat pump (19) and water bath with thermostatic control (10), its
Described in gas fired-boiler (17) be connected with the heat user (18) by boiler discharging tube (59), the heat user (18) is by heat
User's return pipe (57) is connected with the heat pump (19), and the heat pump (19) is by boiler blow-down water pipe (58) and the gas fired-boiler
(17) it is connected, the heat pump (19) is connected by condensate outlet pipe (54) with the water bath with thermostatic control (10)；
The waste heat recovery cleaning system includes waste-heat recoverer (12), PH meter (13) and Cistern with chemicals adding means (14), and the waste heat is returned
Receive device (12) to be connected with the Cistern with chemicals adding means (14) by condensate outlet pipe (63), the Cistern with chemicals adding means (14) is by condensate
Delivery pipe (53) is connected with the heat pump (19)；
The tube type resistance furnace (4) is connected by mixed gas delivery pipe (45) with the waste-heat recoverer (12), the combustion gas
Boiler (17) is connected by boiler smoke delivery pipe (62) with the waste-heat recoverer (12), and the water bath with thermostatic control (10) is by perseverance
Tepidarium outlet pipe (55) is connected with the waste-heat recoverer (12).
2. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The waste heat recovery
Device (12) includes demisting section (6), spray section (7) and the solidifying water section (8) that set gradually from top to bottom, wherein the spray section (7)
At least three layers shower (56) being arranged in order from top to bottom are provided with, each shower (56) goes out with the water bath with thermostatic control respectively
Water pipe (55) is connected.
3. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The PH counts (13)
The Cistern with chemicals adding means (14) internal condensate water is arranged on including being arranged on the outside display screen of the Cistern with chemicals adding means (14) and insertion
In test plug.
4. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：
The oxygen gas bottle (21) is connected by oxygen supply pipe (64) with the ozone generator (1), the oxygen supply
Pipe (64) is provided with the first oxygen flow meter (20), the first oxygen control valve (26) and the first oxygen gauge (27)；
The ozone generator (1) is connected by ozone delivery pipe (44) with the tube type resistance furnace (4), the ozone delivery pipe
(44) it is provided with ozone and controls valve (2) and ozone flowmeter (3)；
The oxygen gas bottle (21) is connected by oxygen conveying pipe (65) with the tube type resistance furnace (4), the oxygen conveying
Pipe (65) is provided with the second oxygen flow meter (30), the second oxygen control valve (29) and the second oxygen gauge (28)；
The nitric oxide gas bottle (22) is connected by nitric oxide delivery pipe (66) with the tube type resistance furnace (4), described
Nitric oxide delivery pipe (66) is provided with nitric oxide flowmeter (33), nitric oxide and controls valve (32) and nitric oxide pressure gauge
(31)；
Carbon dioxide accumulation bottle (23) is connected by carbon dioxide delivery pipe (67) with the tube type resistance furnace (4), described
Carbon dioxide delivery pipe (67) is provided with carbon dioxide stream gauge (36), carbon dioxide and controls valve (35) and pressure carbon dioxide table
(34)；
The sulfur dioxide gas bottle (24) is connected by sulfur dioxide delivery pipe (68) with the tube type resistance furnace (4), described
Sulfur dioxide delivery pipe (68) is provided with sulfur dioxide flowmeter (39), sulfur dioxide and controls valve (38) and sulfur dioxide pressure gauge
(37)；
The vapor gas bottle (25) is connected by vapor delivery pipe (69) with the tube type resistance furnace (4), and the water steams
Letter shoot (69) is provided with vapor flow meter (42), vapor and controls valve (41) and water vapour pressure table (40).
5. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The mixed gas
Delivery pipe (45) is provided with mixed gas flowmeter (46) and mixed gas control valve (48).
6. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The waste heat recovery
Flue gas escaping pipe (50) is provided with the top of device (12), the bottom of the waste-heat recoverer (12) is provided with tapping pipe (51), described to let out
Water pipe (51) is provided with drain valve (15).
7. fountain flue gas waste heat recovery according to claim 6 and cleaning system, it is characterised in that：The flue gas outlet
Pipe (50) is provided with discharge flue gas analyzer (5), and the mixed gas delivery pipe (45) is provided with mixed flue gas analyzer (47).
8. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The boiler smoke
Delivery pipe (62) is provided with boiler smoke analyzer (60) and boiler smoke gas control valve (61).
9. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The water bath with thermostatic control
Outlet pipe (55) is provided with constant temperature water ga(u)ge (9), feeding spraying pump (11) and spray water regulating valve (43).
10. fountain flue gas waste heat recovery according to claim 1 and cleaning system, it is characterised in that：The condensate
Delivery pipe (53) is provided with condensate water pump (16) and condenses water regulating valve (52), and the condensate outlet pipe (54) is provided with solidifying
Knot water control valve (49).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611208369.7A CN106765252A (en) | 2016-12-23 | 2016-12-23 | A kind of fountain flue gas waste heat recovery and cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208369.7A CN106765252A (en) | 2016-12-23 | 2016-12-23 | A kind of fountain flue gas waste heat recovery and cleaning system |
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| CN106765252A true CN106765252A (en) | 2017-05-31 |
Family
ID=58919114
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611208369.7A Pending CN106765252A (en) | 2016-12-23 | 2016-12-23 | A kind of fountain flue gas waste heat recovery and cleaning system |
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