CN104971575B - Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device - Google Patents
Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device Download PDFInfo
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- CN104971575B CN104971575B CN201410140278.9A CN201410140278A CN104971575B CN 104971575 B CN104971575 B CN 104971575B CN 201410140278 A CN201410140278 A CN 201410140278A CN 104971575 B CN104971575 B CN 104971575B
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- 239000007787 solid Substances 0.000 title claims abstract description 77
- 239000007788 liquid Substances 0.000 title claims abstract description 55
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000005864 Sulphur Substances 0.000 title claims abstract description 49
- 239000002245 particle Substances 0.000 claims abstract description 29
- 239000004071 soot Substances 0.000 claims abstract description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 37
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 27
- 235000019504 cigarettes Nutrition 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 21
- 229910021529 ammonia Inorganic materials 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 10
- 230000032258 transport Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000003475 lamination Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 40
- 239000002956 ash Substances 0.000 description 19
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 11
- 238000006477 desulfuration reaction Methods 0.000 description 9
- 239000008187 granular material Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 210000004718 centriole Anatomy 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- RJIWZDNTCBHXAL-UHFFFAOYSA-N nitroxoline Chemical compound C1=CN=C2C(O)=CC=C([N+]([O-])=O)C2=C1 RJIWZDNTCBHXAL-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device, the gas-liquid-solid separator includes a cylindric shell, one is embedded at the intracorporal filter core of the shell and a drain valve, an air inlet and an exhaust outlet with flange with flange are provided on the side of the shell, swirl air duct is formed between the shell and the filter core, the filter core includes three coaxial nested cylindrical filter buckets, those cylindrical filter buckets are followed successively by sintered filter from the inside to the outside, interior filter vat and outer filter vat, array has multiple filter hole on the interior filter vat and the outer filter vat, those filter hole can align or be staggered in the interior filter vat and the outer filter vat relative rotation.Gas-liquid separator of the invention can screen the soot particulates of different medium particle diameters according to coal-fired situation.
Description
Technical field
The present invention relates to industrial waste gas purifying field, in particular to a kind of gas-liquid-solid separator, gas-liquid separator and its electricity
Starch sulphur removal denitration device.
Background technique
The discharge of sulfide and nitrogen oxides is to cause atmosphere pollution and the increasing main cause of acid rain.It unites according to country
Meter, the SO2 emissions of coal-burning power plant account for about the 50% of sulfur dioxide total release.Therefore, to sulfide and nitrogen oxides
Realization of the control planning of discharge to target for energy-saving and emission-reduction.
For desulphurization denitration, traditional wet process limestone-gypsum method flue gas desulfurization technology (CA- is industrially still used
) and ammine selectivity catalytic reduction method (NH WFGD3- SCR), two kinds of process integrations, which use, can be achieved simultaneous SO_2 and NO removal, but two
System simple superposition causes process flow and system complex, and area occupied is big, and investment and operating cost are high, it is difficult to large-scale promotion
Using.During wet process of FGD denitration, NOXIn containing 90% the above NO for being insoluble in water, NO is in room temperature (25
DEG C) under Henry's constant be only 1.94 × 10-8Mol/LPa compares SO2Low three orders of magnitude only pass through regulation pH and temperature
Method is difficult to significantly improve NO in the solubility of liquid phase, therefore seriously restricts the efficiency of desulphurization denitration.
In order to solve the above-mentioned technical problem, the Chinese patent of application publication number CN101940871A discloses a kind of based on light
System for desulfuration and denitration while chemical advanced oxidation, is understood incorporated by reference to Fig. 1, the system for desulfuration and denitration 1 include burner 11,
Electrostatic precipitator 12, spray thrower 14, atomizer 15, ultraviolet lamp 16, circulating pump 17, adds liquid tower 18, knockout tower at heat exchanger 13 certainly
19 and chimney 110.
In use, by inputting H from the air inlet pipe 111 for adding liquid tower 182O2Solution, the ultraviolet light excited using ultraviolet lamp 16
Excite decomposing H2O2, generate the hydroxyl radical free radical (OH with strong oxidizing property-), and then the NO in oxidation removal flue gasXWith SO2, instead
Answering product is the sulfuric acid and nitric acid solution that resourcebility utilizes, and produces agricultural fertilizer after adding ammonium hydroxide.
In order to guarantee to radiate optical power, above-mentioned system for desulfuration and denitration 1 needs to be arranged more ultraviolet lamps 16, on the one hand can spray
It drenches and forms windage in device 14, need multiple 17 pumping gas of circulating pump；On the other hand there are photoelectric conversion efficiencies and absorption efficiency
Low problem, i.e. electric energy are converted to the loss that luminous energy has energy, and luminous energy is penetrating the greyish black flue gas quilt containing a large amount of particulate matters
H2O2When absorption, and there are optical energy attenuation and absorb incomplete problem.Luminous energy when being lost and absorb by photoelectric conversion declines
Subtract, the practical efficiency of electric energy is still lower, and is difficult to improve.
In addition, in steam power plant's coal-fired process, using the coal (such as lignite, bituminous coal or coal dust) of variety classes and quality
And different burning conditions (whether crossing oxygen combustion and ignition temperature height) can generate the soot particulates of different medium particle diameters.
Therefore, the technical problem faced in desulphurization denitration field is also become to the screening of different-grain diameter soot particulates.By
Existing market is investigated, it is found that the gas-liquid separator of market sale can not screen different centrioles according to steam power plant's fire coal situation
The soot particulates of diameter.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the gas-liquid separator of the prior art can not be according to coal-fired shape
Condition screens the defect of the soot particulates of different medium particle diameters, provides a kind of gas-liquid-solid separator, gas-liquid separator and its plasma-based and removes
Sulphur denitration device, the gas-liquid-solid separator can screen the soot particulates of different medium particle diameters according to coal-fired situation.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of gas-liquid-solid separator, it is characterized in that, which includes a cylindric shell, and one is embedding
It is placed in the intracorporal filter core of the shell and a drain valve, air inlet and one that one has flange are provided on the side of the shell
Exhaust outlet with flange is formed with swirl air duct between the shell and the filter core, axis and the exhaust outlet of the air inlet
Axis deviates the axle center of the shell, and the air inlet, the swirl air duct and the exhaust outlet are successively interconnected, drain valve setting
In the shell bottom surface and be interconnected with the swirl air duct, which includes three coaxial nested cylindrical filter buckets, those
Cylindrical filter bucket is followed successively by sintered filter, interior filter vat and outer filter vat from the inside to the outside, the interior filter vat and the outer filter vat
Upper equal array has multiple filter hole, those filter hole can be aligned in the interior filter vat and the outer filter vat relative rotation
Or it is staggered.
Preferably, the air inlet is set to the lower part of the shell, which is set to the top of the shell, the air inlet
On be provided with the first pressure gauge for testing the air inlet fluid pressure, be provided on the exhaust outlet and test fluid in the exhaust outlet
The second pressure gauge of pressure is provided with supporting plate on the interior filter vat, and the interior filter vat is solid by the supporting plate and the sintered filter
Fixed connection.
A kind of gas-liquid separator, it is characterized in that, which includes a cylindric shell, and one is embedded at
The intracorporal filter core of the shell and a drain valve, an air inlet with flange and one are provided on the side of the shell to be had
The exhaust outlet of flange is formed with swirl air duct between the shell and the filter core, the axis of the air inlet and the axis of the exhaust outlet
Deviate the axle center of the shell, the air inlet, the swirl air duct and the exhaust outlet are successively interconnected, which is set to this
It the bottom surface of shell and is interconnected with the swirl air duct, which includes two coaxial nested cylindrical filter buckets, those columns
Equal array has multiple filter hole on filter vat, those filter hole can be aligned or be staggered in relative rotation.
Preferably, this two coaxial nested cylindrical filter buckets are respectively an outer filter vat and an interior filter vat, this is interior
Filter vat is nested in the outer filter vat, a spiral helicine drainage plate is provided on the outer filter vat, the drainage plate is for drawing
Lead the gas spiral movement in swirl air duct.
Preferably, the air inlet and the exhaust outlet are all set in the top of the shell, the top of the outer filter vat is provided with
Flow-stopping plate, which is used for from the gas barrier that the air inlet flows into the drainage plate, to make drainage plate guidance
The gas spiral hits the bottom of the filter core.
Preferably, being provided with multiple annular fixing frames and multiple cyclones in the interior filter vat, those cyclones are by being somebody's turn to do
A little annular fixing frames are fixed in the interior filter vat, and the direction of rotation of those cyclones and the drainage direction of the drainage plate are identical.
Preferably, the gas-liquid separator further includes a dish-shaped collection liquid filter and a catheter, the shell, the collection
Liquid filtering, the catheter and the drain valve are successively interconnected, which, which goes into battle, shows multiple liquid collecting filter hole, the collection
The dish-shaped cavity of liquid filter is for collecting soot particulates.
A kind of plasma-based sulphur removal denitration device, it is characterized in that, the plasma-based sulphur removal denitration device include one for ammonia system, such as
The upper gas-liquid-solid separator and gas-liquid separator as described above, which further includes first gas
Solid separator, a gas-liquid separator, a first medium plasma-based, a reactor tank and second gas-solid separator, the gas
Liquid-solid separator, first gas-solid separator, the gas-liquid separator, the first medium plasma-based, the reactor tank and second gas-solid
Separator is successively interconnected, this is interconnected for ammonia system and the reactor tank.
Preferably, the plasma-based sulphur removal denitration device further includes a nanometer plasma-based, the gas-liquid separator, this nanometer of plasma-based and
The first medium plasma-based is successively interconnected.Nanometer plasma-based mainly plays a part of to enhance number of free radical, and discharge index is wanted
Higher operating condition is sought, a nanometer plasma-based can be used.
Preferably, first gas-solid separator includes the first admission line, the second admission line, first exhaust pipeline, the
Two exhaust pipes, a filter cartridge and a filter chamber, the filter cartridge are set in the filter chamber, first admission line
For fluid to be led to the first exhaust pipeline by the filter cartridge, which is used for will by the filter cartridge
Fluid leads to the second exhaust pipeline, and first admission line and second admission line are oppositely arranged and are able to maintain fluid
Direction is opposite.
Preferably, the filter cartridge is rugosity, be provided with multiple fixed links in the filter chamber, those fixed rod supports in
The folding corner of the filter cartridge, to separate two neighboring foldable layer.
Preferably, first admission line, second admission line, the first exhaust pipeline and the second exhaust pipeline are equal
It is interconnected by a flaring portion and the filter chamber, the flaring portion of first admission line and the flaring of second admission line
Portion is used for uniformly distributed fluid and alleviates flow velocity, and the flaring portion of the first exhaust pipeline and the flaring portion of the second exhaust pipeline are for converging
Collect filtered fluid, the angle of the two neighboring foldable layer of the filter cartridge is 5 ° to 15 °.
Have the cigarette ash of rotation demarcation plate and knife switch temporary preferably, first gas-solid separator further includes one
Chamber is provided with demarcation plate between the cigarette ash temporary storage cavity and the filter chamber, the inner wall of the demarcation plate and first gas-solid separator
Between be provided with crack, the cigarette ash temporary storage cavity and the filter chamber are interconnected by the crack, which is used to control this
Demarcation plate rotation is rotated to discharge the soot particulates in the cigarette ash temporary storage cavity.
Preferably, first gas-solid separator further includes that a cigarette ash transports vehicle, it includes a cabinet which, which transports vehicle,
With the wheel for being set to the cabinet end, which is interconnected by a feeding pipe and the cabinet.
Preferably, being provided with the first temperature controlling instruments with heat exchanger on first gas-solid separator, which is table
Face formula heat exchanger or direct-contact heat exchanger.
Preferably, the two sides of this nanometer of plasma-based are provided with thermostatic control system and form the knot of this nanometer of plasma-based of clamping
Structure, the two sides of the first medium plasma-based are provided with thermostatic control system and form the structure for clamping the first medium plasma-based.
Preferably, those thermostatic control systems include a ventilator cowling, those ventilator cowlings are by a transfer tube, one
The adapter of diffuser and rectangle composition.
Preferably, those adapters include an annular ventilation gap, each ventilation gap includes successively interconnected
It ventilates under one upper ventilation circuit, ventilate in one circuit and one circuit, those ventilation gaps are used for circulating-heating gas.
Preferably, those thermostatic control systems also include a temperature-controlled cabinet and an air blower, the lower ventilation ring
The exhaust outlet in road, the air blower, the temperature-controlled cabinet and on this ventilate circuit air inlet be successively interconnected.
Preferably, being provided with a heater in the temperature-controlled cabinet, which, which includes one, has heat preservation
The shell of layer is provided with temperature sensor in the insulating layer.
Preferably, the reactor tank includes the first successively interconnected reaction chamber, particle temporary storage cavity and the second reaction cavity,
Multiple deflectors are provided in first reaction chamber and second reaction cavity, those deflectors are for stopping fluid and change
Flow direction is additionally provided with the blow-off valve being interconnected with the particle temporary storage cavity so that fluid uniformly mixes in the reactor tank.
Preferably, the inner wall of first reaction chamber, the particle temporary storage cavity and second reaction cavity is covered with poly- amino
Formic acid esters coating or polytetrafluorethylecoatings coatings.
The positive effect of the present invention is that: gas-liquid-solid separator of the invention can screen different according to coal-fired situation
The soot particulates of medium particle diameter.In addition, medium plasma-based and nanometer plasma-based are more demanding to humidity, moreover the smoke exhaust pipe of coal-burning power plant
Road is longer, and there are moisture absorption and dew condensation phenomenon during stack gases convey in pipeline, this phenomenon is especially bright in winter
It is aobvious, therefore drying to stack gases and dehumidifying are particularly necessary, gas-liquid-solid separator of the invention can dehumidify, and prevent plasma-based from letting out
Dew.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing system for desulfuration and denitration.
Fig. 2 is the structural schematic diagram of the gas-liquid-solid separator of present pre-ferred embodiments.
Fig. 3 is the structural schematic diagram of the gas-liquid separator of present pre-ferred embodiments.
Fig. 4 is the structural schematic diagram of the filter core of the gas-liquid separator of Fig. 3.
Fig. 5 is the structural schematic diagram of the interior filter vat of the gas-liquid separator of Fig. 3.
Fig. 6 is the liquid collecting filtering of the gas-liquid separator of Fig. 3 and the structural schematic diagram of drain valve.
Fig. 7 is the structural schematic diagram of the first gas-solid separator of present pre-ferred embodiments.
Fig. 8 is the structural schematic diagram of the reactor tank of present pre-ferred embodiments.
Fig. 9 is the structural schematic diagram of the plasma-based sulphur removal denitration device of present pre-ferred embodiments.
Figure 10 is the partial structural diagram of the plasma-based sulphur removal denitration device of Fig. 9.
Figure 11 is the ventilator cowling of the plasma-based sulphur removal denitration device in Figure 10 and the structural schematic diagram of temperature-controlled cabinet.
Figure 12 is the structural schematic diagram of the temperature-controlled cabinet in Figure 11.
Figure 13 is the desulfurization off sulfide effect figure of the plasma-based sulphur removal denitration device of Fig. 9.
Existing system for desulfuration and denitration: 1
Burner: 11 electrostatic precipitator: 12
Heat exchanger: 13 spray throwers: 14
Atomizer: 15 ultraviolet lamps: 16
Circulating pump: 17 from adding liquid tower: 18
Knockout tower: 19 chimneys: 110
Air inlet pipe: 111
The gas-liquid-solid separator of the present embodiment: 3
Bung: 31 fastening screws: 32
Sintered filter: filter vat in 33: 34
Shell: 35 outer filter vats: 36
Second pressure gauge: 37 drain valves: 38
Exhaust outlet: 352 air inlets: 351
First gas-solid separator of the present embodiment: 4
Filter cartridge: 41 fixed links: 42
Filter chamber: 43 foldable layers: 44
Grey temporary storage cavity: 45 rotation demarcation plates: 46
Knife switch: 47 feeding pipes: 48
Cigarette ash transports vehicle: 49 first admission lines: 410
First exhaust pipeline: 420 second admission lines: 430
Second exhaust pipeline: 440 flaring portions: 460
The gas-liquid separator of the present embodiment: 5
Case lid: filter vat in 51: 52
Outer filter vat: 53 catheters: 54
Shell: 55 collection liquid filters: 56
Drain valve: 57 fixing legs: 58
Connecting rod: 511 annular fixing frames: 520
Flow-stopping plate: 531 drainage plates: 532
Air inlet: 551 exhaust outlets: 552
Dish-shaped cavity: 560 water tanks: 570
Demarcation plate: 450
The reactor tank of the present embodiment: 8
Air inlet mouth of pipe: 81 exhaust pipe mouths: 82
First reaction chamber: 83 second reaction cavities: 84
Deflector: 85 circular through holes: 86
Blow-off valve: 87 particle temporary storage cavities: 88
Material collecting box: 89
The plasma-based sulphur removal denitration device of the present embodiment:
Nanometer plasma-based: 6 first medium plasma-baseds: 7
Second gas-solid separator: 9 ammonia sources: 10
Second medium plasma-based: 20 second thermostatic control systems: 60
Thermostatic control system: 70 chimneys: 90
Ventilator cowling: 61 air blowers: 62
Temperature-controlled cabinet: 63 transfer tubes: 611
Diffuser: 612 adapters: 613
Upper ventilation circuit: circuit of ventilating in 614: 615
Lower ventilation circuit: 616 shells: 661
Temperature sensor: 662 resistance wire type heaters: 663
Specific embodiment
A preferred embodiment is named, and completely illustrates the present invention in conjunction with attached drawing to become apparent from.
The structure of the gas-liquid-solid separator of the present embodiment is as follows:
Understood incorporated by reference to Fig. 2, the gas-liquid-solid separator 3 of the present embodiment includes a bung 31, multiple fastening screws
32, a cylindric shell 35, a filter core and a drain valve 38 in the shell 35, the side of the shell 35
On be provided with an air inlet 351 with flange and an exhaust outlet 352 with flange, between the shell 35 and the filter core
It is formed with swirl air duct, the axis of the axis of the air inlet 351 and the exhaust outlet 352 deviates the axle center of the shell 35, should be into
Port 351, the swirl air duct and the exhaust outlet 352 are successively interconnected, the drain valve 38 be set to the bottom of the shell 35 and
Be interconnected with the swirl air duct, which includes three coaxial nested cylindrical filter buckets, those cylindrical filter buckets from it is interior to
It is followed successively by sintered filter 33, interior filter vat 34 and outer filter vat 36 outside, equal battle array on the interior filter vat 34 and the outer filter vat 36
Show multiple filter hole, those filter hole can be aligned in the interior filter vat 34 and outer 36 relative rotation of filter vat or
It is staggered, to change the effective area of filter hole, and then the drop of different medium particle diameters is finely screened.
The air inlet 351 can be set in the lower part of the shell, which is set to the top of the shell, should be into
It is provided with the first pressure gauge for testing its internal fluid pressure on port 351, is provided on the exhaust outlet 352 and tests its inside stream
The second pressure gauge 37 of body pressure is provided with supporting plate on the interior filter vat 34, which passes through the supporting plate and the sintering
Filter 33 is fixedly connected, and in order to keep the two opposing stationary, and then relatively rotates the interior filter vat 34 and the outer filtering
Bucket 36, so that the filter hole on the interior filter vat 34 aligns or is staggered with the filter hole on the outer filter vat 36.
The structure of the gas-liquid separator of the present embodiment is as follows:
Understood incorporated by reference to Fig. 3, the present embodiment also provides a kind of gas-liquid separator 5, which includes one
The outer catheter 54, one of filter vat 53, one of case lid 51, one interior filter vats 52, one with connecting rod 511 is cylindric
Shell 55, one dish-shaped 56, drain valves 57 of collection liquid filter and three fixing legs 58.The shell 55, the liquid collecting
Filter 56, the catheter 54 and the drain valve 57 are successively interconnected.
Understood incorporated by reference to Fig. 3 and Fig. 4, the interior filter vat 52 and the outer filter vat 53 are that surface array there are multiple mistakes
The cylindrical filter bucket of filter opening, the interior filter vat 52 are nested in the outer filter vat 53 and form filter core, those filter hole can
It aligns or is staggered in the interior filter vat 52 and outer 53 relative rotation of filter vat, to change the significant surface of filter hole
Product, and then the drop of different medium particle diameters is finely screened, hydrodynamic gas bearing structure is separated using adjustable port gap type, relative humidity can be made
Reduce 30%-60% or more.A spiral helicine drainage plate 532 is provided on the outer filter vat 53, the drainage plate 532 is for drawing
Lead the gas spiral movement in swirl air duct.
Understood incorporated by reference to Fig. 3, the air inlet 551 and one that one has flange are provided on the side of the shell 55
Exhaust outlet 552 with flange, the air inlet 551 and the exhaust outlet 552 are all set in the top of the shell 55,55 He of shell
It is formed with swirl air duct between the filter core, the axis of the axis of the air inlet 551 and the exhaust outlet 552 deviates the shell 55
Axle center, the air inlet 551, the swirl air duct and the exhaust outlet 552 are successively interconnected.
The top of the outer filter vat 53 is provided with flow-stopping plate 531, and the flow-stopping plate 531 from the air inlet 551 for that will flow into
Gas barrier to the drainage plate 532, so as to the bottom for making the drainage plate 532 that the gas spiral be guided to hit the filter core.
Understood incorporated by reference to Fig. 5, is provided with multiple annular fixing frames 520 and multiple cyclones in the interior filter vat 52
(not shown), those cyclones are fixed in the interior filter vat by those annular fixing frames 520, the rotation of those cyclones
It is identical as the drainage direction of the drainage plate 532 to turn direction.
Understood incorporated by reference to Fig. 6, which, which goes into battle, shows multiple liquid collecting filter hole, the collection liquid filter 56
Dish-shaped cavity 560 for collecting soot particulates, the water tank 570 of the drain valve 57 can store filtered waste water.
The structure of first gas-solid separator of the present embodiment is as follows:
Understood incorporated by reference to Fig. 7, the present embodiment also provides a kind of first gas-solid separator 4, first gas-solid separator 4
Including the first admission line 410, the second admission line 430, first exhaust pipeline 420,440, one, second exhaust pipeline filterings
Fuse 41 and a filter chamber 43, the filter cartridge 41 are set in the filter chamber 43, and first admission line 410 is for passing through
Fluid is led to the first exhaust pipeline 420 by the filter cartridge, which is used to flow by the filter cartridge
Body leads to the second exhaust pipeline 440, and first admission line 410 and second admission line 430 are oppositely arranged and can protect
The flow direction for holding fluid is opposite.
The filter cartridge 41 is rugosity, is provided with multiple fixed links 42 in the filter chamber, those fixed links 42 are supported in
The folding corner of the filter cartridge, it is best between two neighboring foldable layer 44 when production to separate two neighboring foldable layer 44
Form 5 ° to 15 ° of angle.
First admission line 410, second admission line 430, the first exhaust pipeline 420 and the second exhaust pipeline
440 are interconnected by a flaring portion 460 and the filter chamber, and the outer profile in flaring portion 460 can be round table-like or loudspeaker
Shape, the flaring portion of first admission line 410 and the flaring portion of second admission line 430 are used for uniformly distributed fluid and alleviate stream
Speed, the flaring portion of the first exhaust pipeline 420 and the flaring portion of the second exhaust pipeline 440 are for collecting filtered fluid.
First gas-solid separator 4 further includes a cigarette ash temporary storage cavity with rotation demarcation plate 46 and knife switch 47
45, it is provided with demarcation plate 450 between the cigarette ash temporary storage cavity 45 and the filter chamber 43, the demarcation plate 450 and first gas solid separation
It is provided with crack between the inner wall of device 4, the cigarette ash temporary storage cavity 45 and the filter chamber 43 are interconnected by the crack, the gate
Switch 47 is for controlling the rotation demarcation plate 46 rotation to discharge the soot particulates in the cigarette ash temporary storage cavity 45.
First gas-solid separator 4 further includes that a cigarette ash transports vehicle 49, the cigarette ash transport vehicle 49 include cabinet and
It is set to the wheel of the cabinet end, which is interconnected by a feeding pipe 48 and the cabinet, so as to
Soot particulates are delivered to the cigarette ash and transport vehicle 49, avoids and directly causes cigarette ash to fly upward in the process to the filling cigarette ash of polybag,
Cleanup crew's eyes are caused to damage and pollute external environment, the soot particulates of collection can be used as industrial chemicals and answer
With (for example, production blacking or rubber tyre).
In addition, being provided with the first temperature controlling instruments with heat exchanger on first gas-solid separator 4, which is surface
Formula heat exchanger or direct-contact heat exchanger, to reduce the temperature of stack gases.
The structure of the reactor tank of the present embodiment is as follows:
Understood incorporated by reference to Fig. 8, the present embodiment also provides a kind of reactor tank 8, which includes successively being interconnected
Air inlet mouth of pipe 81, the first reaction chamber 83, particle temporary storage cavity 88 and the second reaction cavity 84 and exhaust pipe mouth 82, particularly can be with
Open up circular through hole 86 on the lower demarcation plate of the first reaction chamber 83 and the second reaction cavity 84, first reaction chamber 83 and this
Multiple deflectors 85 are provided in two reaction cavities 84, those deflectors 85 are for stopping fluid and changing flow direction, so that stream
Body uniformly mixes, and the blow-off valve 87 being interconnected with the particle temporary storage cavity 88 is additionally provided in the reactor tank 8, the reactor tank 8 is also
Including a material collecting box 89, which is used to collect the chemical fertilizer granule of the blow-off valve 87 discharge.
The inner wall of first reaction chamber 83, the particle temporary storage cavity 88 and second reaction cavity 84 is coated with poly- amino
Formic acid esters (abbreviation polyurethane, polyurethane) coating or polytetrafluoroethylene (PTFE) (polytetrafluoroethylene, PTFE)
Coating, after research staff has found the inner wall coating polyurethane or polytetrafluoroethylene (PTFE) of reaction chamber, the chemical fertilizer granule of synthesis will not be with
The inner wall of reaction chamber adsorbs or adhesion, and is easy the chemical fertilizer granule that crystallization forms 0.2-5 millimeters of partial sizes, the chemical fertilizer of bulky grain
Particle can fall to particle temporary storage cavity 88 automatically, facilitate collection, and the second gas-solid can be used in smaller particle ammonium sulfate and ammonium nitrate
Separator is separated and collected.
The structure of the plasma-based sulphur removal denitration device of the present embodiment is as follows:
Understood incorporated by reference to Fig. 9, the plasma-based sulphur removal denitration device of the present embodiment include one for ammonia system, as described above
Gas-liquid-solid separator 3, the first gas-solid separator 4 as described above, gas-liquid separator as described above 5 and as described above
Reactor tank 8, the plasma-based sulphur removal denitration device further include the second gas-solid of first medium plasma-based 7, one of nanometer plasma-based 6, one
Separator 9 and a chimney 90, the gas-liquid-solid separator 3, first gas-solid separator 4, the gas-liquid separator 5, this nanometer of electricity
Slurry 6, the first medium plasma-based 7, the reactor tank 8, second gas-solid separator 9 and the chimney 90 are successively interconnected, this is for ammonia
System and the reactor tank 8 are interconnected, to be passed through ammonia into the reactor tank 8.Fig. 9 has been only shown schematically coal-burning power plant
Boiler 2, actual 2 volume of boiler are more huge.Figure 10 gives the first gas-solid separator 4 and gas-liquid-solid separator 3 is gentle
The pipe connecting structure of liquid/gas separator 5.
It please recombine Fig. 9 to be understood, particularly, this includes an ammonia source 10 and second medium plasma-based for ammonia system
20, which can be ammonia bottle or the device of synthesis ammonia, which is used for so that ammonia molecule is inhaled
Attached charge, and the ammonia molecule for being adsorbed with charge is supplied in the reactor tank 8.
The two sides of this nanometer of plasma-based 6 are provided with thermostatic control system and form the structure of this nanometer of plasma-based 6 of clamping, should
The two sides of first medium plasma-based 7 are provided with thermostatic control system 70 and form the structure for clamping the first medium plasma-based 7, folder
Use of the layer structure in huge plasma-based system, so that heating rate accelerates and temperature control is more accurate, convenient for that will react temperature
Degree maintains within the scope of 65 DEG C to 70 DEG C, improves ionizing efficiency.
Aforementioned four thermostatic control system structure is identical, therefore only explains by taking the second thermostatic control system 60 as an example, incorporated by reference to
Figure 11 understood, when actual fabrication, the second thermostatic control system 60 includes 61, air blowers 62 of a ventilator cowling and one
Temperature-controlled cabinet 63.
The ventilator cowling 61 is made of the adapter 613 of 611, diffusers 612 of a transfer tube and a rectangle, this turn
Connector 613 includes an annular ventilation gap, and ventilation gap includes successively interconnected upper ventilation circuit 614, one
It ventilates under middle ventilation circuit 615 and one circuit 616, which is used for circulating-heating gas.This it is lower ventilation circuit 616 into
Port, the air blower 62, the temperature-controlled cabinet 63 and on this ventilate circuit 614 exhaust outlet be successively interconnected.
Understood incorporated by reference to Figure 12, which includes the shell 661 with insulating layer, the shell
It is provided with a resistance wire type heater 663 in 661, is provided with temperature sensor 662 in the insulating layer, which is used for
To the inner chamber body pumping gas of the shell 661.
The gas-liquid-solid separator of the present embodiment and the working principle of plasma-based sulphur removal denitration device are as follows:
Understood incorporated by reference to Fig. 9, in use, boiler waste gas is followed by the gas-liquid-solid separator 3, first gas-solid point
From device 4, the gas-liquid separator 5, this nanometer of plasma-based 6, the first medium plasma-based 7, the reactor tank 8, second gas-solid separator, 9 and
The chimney 90 and be emitted into external environment.
In the gas-liquid-solid separator 3, in boiler waste gas moisture and soot particulates filtered for the first time, table 1 provides
Capture rate of the gas-liquid-solid separator 3 to different-grain diameter particle.
Table 1, dust granule capture rate
| Partial size <um | Separative efficiency % |
| 2.5 | 3 |
| 4.0 | 9.5 |
| 6.0 | 15.2 |
| 10.0 | 40.3 |
| 23 | 85.6 |
| 30.0 | 98.56 |
| 40.0 | 99.82 |
| 80.0 | 100 |
From the data of upper table 1: the dust granule electrostatic precipitation that the gas-liquid-solid separator 3 is 10 microns or more to partial size
Effect is obvious.
In first gas-solid separator 4, in boiler waste gas moisture and soot particulates it is for re-filtering, this first
Gas-solid separator 4 (also known as stainless (steel) wire filter), as filter core, is achieved higher using 2.5 microns of stainless steel filter screen
Separating effect, stainless (steel) wire filter can backwash daily through design, and To Be Protected from Heat, and every half a year, maintenance was primary, energy saving,
Thoroughly solve the problems, such as that PM2.5 is not up to standard, table 2 gives the first gas-solid separator 4 to the capture rate of different-grain diameter particle.
Table 2, dust granule capture rate
| Partial size <um | Separative efficiency % |
| 2.5 | 57.75 |
| 4.0 | 97 |
| 6.0 | 99.19 |
| 10.0 | 100 |
| 23 | 100 |
| 30.0 | 100 |
| 40.0 | 100 |
| 80.0 | 100 |
From the data of upper table 2: the dust granule electrostatic that first gas-solid separator 4 is 2.5 microns or more to partial size
Dust removing effects are obvious.
Industrial implementation the result shows that, according to the gas-liquid-solid separator 3 and first gas-solid separator 4 to different-grain diameter dust
The processing advantage of particle, by cascading the gas-liquid-solid separator 3 and first gas-solid separator 4, partial size is greater than the particle of 10um
Separation rate nearly reaches 100%, and particle separation rate of the partial size greater than 2.5um reaches 80% or more, double filtration processing mode energy
The enough content control by soot particulates is in discharge standard (being lower than 0.075 milligram/cubic metre) range of PM2.5.
Therefore, the waste gas after gas-liquid-solid separator 3 and the dual dust removal process of the first gas-solid separator 4, in dust
In terms of content, the nanometer plasma-based for meeting Suzhou Wonderful Technology Co., Ltd.'s production and first medium plasma-based are fully able to relatively wet
The requirement of (RH) not above 65% is spent, therefore plasma-based will not be damaged.
In addition, boiler waste gas (100 DEG C to 200 DEG C) can also be cooled to 45 by heat exchanger in first gas-solid separator 4
DEG C to 80 DEG C, this nanometer of plasma-based 6 and the first medium plasma-based 7 can be caused to damage to avoid gas temperature is excessively high, and influenced
The efficiency of sulphur removal denitration (sulphur removal, denitration thermal chemical reaction are stringent to temperature requirement).
In the gas-liquid separator 5, please understood in combination with Fig. 3, the boiler waste gas containing steam passes sequentially through this
It after air inlet 551, the swirl air duct, after the cavity of the interior filter vat 52, is discharged by the exhaust outlet 552, due to the air inlet 551
The axis runout shell 55 axle center, therefore boiler waste gas can form vortex in the swirl air duct, and condensation vapor is at droplet
And inner wall to the shell 55 is got rid of under the influence of centrifugal force, ponding can be bled off after opening drain valve 57, dry
Boiler waste gas penetrates the filter core, and is discharged through the exhaust outlet 552.
The flow-stopping plate 531 plays the role of reflective liquid, will be from the gas barrier that the air inlet flows into the drainage plate
532, to make the drainage plate 532 that the gas spiral be guided to move and to hit the bottom of the filter core.Although air inlet 551 and row
Port 552 is all set in the top of the shell 55, however after the synergistic effect of flow-stopping plate 531 and drainage plate 532, boiler is useless
Gas can be evenly distributed in the axial direction of filter core, therefore the filtering function of filter core is efficiently used.
Another benefit using 532 spiral stream guidance of drainage plate is, air-flow not only by radial centrifugal force, but also by
To axial directed force, so that the inner wall to shell 55 is equably got rid of in steam rapid condensation at droplet and obliquely, avoid
The top of the inner wall to shell 55 is only got rid of, and the problem for the power unevenness that causes to be hit (noise is excessive).
According to the difference of steam power plant's fire coal situation, the interior filter vat 52 and the outer filter vat 53 can be relatively rotated, with
Just change the effective area of filter hole, and then the drop of different medium particle diameters is finely screened.Experiment discovery is used in steam power plant
When lignite, the effective radius of filter opening can be arranged at 10 microns to 15 microns, be greater than the condition of 25 meter per seconds in swirl velocity
Under, in removing exhaust gas 85% or more moisture can be removed.The cyclone in the interior filter vat can be used in the promotion of swirl velocity, and
And to ensure that the direction of rotation of those cyclones is identical as the drainage direction of the drainage plate.
Understood incorporated by reference to Fig. 6, the go into battle liquid collecting filter hole of column of dish-shaped collection liquid filter can collect hydrops, and will
Soot particulates are collected in dish-shaped cavity, avoid and boiler hydrops is directly emitted into external environment initiation water pollution, by arranging
The ponding up to standard that water valve 57 discharges.
Understood incorporated by reference to Figure 11, in the ventilator cowling 61, mixed gas is got rid of by transfer tube 611 to diffuser 612,
To realize even gas distribution, those ventilation gaps are used for circulating-heating gas, pass through lower ventilation circuit 616, middle 615 and of ventilation circuit
The successively heating of upper ventilation circuit 614, can maintain 65 DEG C to 70 DEG C for the temperature of mixed gas.The air blower 62 is for giving
Heat gas provides circulation power, in order to maintain the rotation of heat gas.The resistance wire type heater 663 is followed for electric heating
Ring gas, so that the temperature of heat gas is maintained 70 DEG C.It is practical raw this gives resistance wire type heater 663
When production, gas heat exchanger or water heater can also be used.
Understood incorporated by reference to Fig. 9, in this nanometer of plasma-based 6 and the first medium plasma-based 7, the master of desulfurization and denitrification process
It chemically reacts are as follows:
H2O+e→H++OH-
O2+e→2O-
O2+O-→O3
O+H2O→OH-+OH-
H+O2→HO2 3-
It is reacted by the electrion of nanometer plasma-based 6 and first medium plasma-based 7, generates a large amount of O-、O3、OH-、HO2 3-From
By base.
SO2+O-→SO3
SO3+H2O→H2SO4
SO2+OH-→HSO3 -
HSO3 -+OH-→H2SO4
Similarly, nitric acid can be also generated, is understood incorporated by reference to Fig. 9, the ammonia source 10 and the second medium plasma-based 20 can
The ammonia molecule for being adsorbed with charge is supplied in the reactor tank 8.Flow valve, energy are provided on the exhaust pipe in the ammonia source 10
The injection flow of ammonia is enough adjusted close to the metering of chemical reaction, following chemical reaction occurs in the reactor tank 8:
H2SO4+2NH3→(NH4)2SO4
HNO3+NH3→NH4NO3
In order to test NOXConcentration, SO2Concentration, boiler waste gas flow, plasma-based voltage is to NOXRemoval efficiency, SO2Removal efficiency
With the influence of energy consumption, therefore carried out sulphur removal denitration experiment:
It is 40L/H that boiler waste gas flow is controlled when experiment, changes the general power (electricity of nanometer plasma-based 6 and first medium plasma-based 7
Voltage-controlled system is in 36KV), experimental result is as shown in figure 13, by testing it is found that NOXAnd SO2Removal efficiency and energy consumption be not be linear
Relationship, in coal chemical industry enterprises, electrical power control can remove 90% or more NO in 50WXAnd SO2, average energy consumption is only at this time
For 1.25W/L, in addition it can plasma-based voltage is turned up to 100KV to 150KV to obtain better desulfurization off sulfide effect.
The gas-liquid-solid separator and plasma-based sulphur removal denitration device of the present embodiment have following technical effect that
The first, gas-liquid-solid separator of the invention can screen the soot particulates of different medium particle diameters according to coal-fired situation,
Particularly, according to the difference of steam power plant's fire coal situation, the interior filter vat 34 and the outer filter vat 36 can be relatively rotated, so as to
Change the effective area of filter hole, and then the drop of different medium particle diameters is finely screened.
The second, kinetic energy of the swirl air duct using original fluid, rotating centrifugal moisture, eddy flow wind speed can pass through first pressure
Table and second pressure gauge 37 measure, and since the air inlet is set to the lower part of the shell, which is set to the upper of the shell
Portion, during eddy flow, droplet and stack gases separate at the middle part of the outer filter vat 36, and droplet is in gravity and centrifugal force
The inner wall to the shell 35 is got rid of under effect obliquely, and converges to the bottom of the shell, cigarette along the inner wall of the shell 35
Road exhaust gas eddy flow rises and successively penetrates the outer filter vat 36, the interior filter vat 34 and the sintered filter 33, the outer filtering
The filter hole that bucket 36 and the interior filter vat 34 are formed, can finely screen drop, it is useless which can adsorb flue
Soot particulates in gas realize the coarse filtration to soot particulates.
Third, can positive and negative rotation filter soot particulates, understood incorporated by reference to Fig. 7, at the first time, open this first
Valve on admission line 410 and the first exhaust pipeline 420, closes second admission line 430 and the second exhaust pipeline
Valve on 440, so that stack gases blow to the filter cartridge 41 along a first direction；In the second time, close this first into
Valve in feed channel 410 and the first exhaust pipeline 420, opens second admission line 430 and the second exhaust pipeline 440
On valve so that stack gases blow to the filter cartridge 41 along second direction.The advantages of positive and negative rotation filtering soot particulates
It is, the soot particulates of the folding corner of the filter cartridge 41 is blowed to and be embedded in along a first direction, in second direction
It under wind-force effect, is blown out and filters again, by both forward and reverse directions interaction circulation filtering, avoid soot particulates insertion folding crutch
Angle forms the problem of fouling.
4th, filter effect is excellent and can automatically detect, and is understood continuing in conjunction with Fig. 7, in view of the filter cartridge
The angle of two neighboring foldable layer be 5 ° to 15 °, stack gases can effectively blow to the folder between two neighboring foldable layer
Seam, and there is the component perpendicular to foldable layer, convenient for the separation of soot particulates, it is temporary that filtered soot particulates fall into cigarette ash
Chamber 45；Since cigarette ash temporary storage cavity 45 is divided to for two cigarette ash staging areas arranged side by side, in the operating condition of positive and negative rotation filtering soot particulates
Under, the coal ash amount of two cigarette ash staging areas keeps equal substantially, and coal ash amount differs larger situation if it exists, then may determine that
Coal ash filtration channel breaks down.
5th, it is uniformly mixed and synthetic reaction is abundant, those deflectors can stop fluid and change flow direction, so that fluid
Uniformly mixing, in addition also extends gas path, can be along inclination after chemical fertilizer granule synthesis in order to which synthetic reaction sufficiently carries out
The deflector of setting tumbles and falls into the particle temporary storage cavity 88, after using polyurethanes coating or polytetrafluorethylecoatings coatings
It was found that chemical fertilizer granule will not adsorb or be adhered to the inner wall of reaction cavity and reactor tank.
6th, heating rate is fast and temperature control is accurate, and the two sides of the two sides of this nanometer of plasma-based and the first medium plasma-based are all provided with
It is equipped with thermostatic control system, thermostatic control system is set to two sides, and nanometer plasma-based and first medium plasma-based are located in centre, is formed
Sandwich, heating rate is fast and temperature control is accurate, convenient for reaction temperature to be maintained to 65 DEG C to 70 DEG C of range.
7th, not only efficiency of energy utilization is high but also sulphur removal denitration efficiency is strong for the plasma-based sulphur removal denitration device.It is received in view of this
Rice plasma-based voltage and the first medium plasma-based can generate the high-voltage electricity of 10KV-200KV, and the high-field electrode inside plasma-based being capable of wink
Between by the molecular ionization in oil flue waste gas at the ion of free state, thus efficiency of energy utilization is high and sulphur removal denitration efficiency
By force, the catalyst coating inside plasma-based can guide the ion of those free states to chemically react, therefore generate without ozone,
In addition, energy consumption is only 1/the tens to 1 percent of other sulphur removal denitration devices.
8th, the plasma-based sulphur removal denitration device uses modular stacked design, has small volume, compact-sized and extension
The strong advantage of ability, for example, multiple first medium plasma-baseds can be laterally stacked at first medium plasma-based unit, multiple first mediums
Plasma-based unit transverse is stacked into first medium plasma-based mould group, and multiple first medium plasma-based mould group vertical stacks are at plasma-based sulphur removal denitration
Equipment, therefore have the advantages that small volume, compact-sized and extended capability are strong.
9th, it multilayer insulation and prevents from leaking electricity, the outer surface of each first medium plasma-based is carried out using pvc material
Insulation, after the laterally stacked plasma-based unit at first medium of first medium plasma-based, the outer surface of each first medium plasma-based unit
It is insulated using pvc material, it is each after first medium plasma-based unit transverse is stacked into first medium plasma-based mould group
The outer surface of first medium plasma-based mould group is insulated using pvc material, therefore multilayer insulation, can be prevented outside plasma-based
Leakage, achievees the purpose that power saving and safety.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (19)
1. a kind of plasma-based sulphur removal denitration device, which is characterized in that the plasma-based sulphur removal denitration device includes one for ammonia system, gas-liquid
Solid separator and gas-liquid separator, the plasma-based sulphur removal denitration device further include first gas-solid separator, a first medium
Plasma-based, a reactor tank and second gas-solid separator, the gas-liquid-solid separator, first gas-solid separator, the gas-liquid point
It is successively interconnected from device, the first medium plasma-based, the reactor tank and second gas-solid separator, this is reacted for ammonia system with this
Tank is interconnected, which includes the first admission line, the second admission line, first exhaust pipeline, second row
Feed channel, a filter cartridge and a filter chamber, the filter cartridge are set in the filter chamber, which is used for
Fluid is led into the first exhaust pipeline by the filter cartridge, which is used to pass through the filter cartridge for fluid
Lead to the second exhaust pipeline, first admission line and second admission line are oppositely arranged and are able to maintain the direction of fluid
Relatively；
The gas-liquid-solid separator includes a cylindric shell, and one is embedded at the intracorporal filter core of the shell and a drain valve,
An air inlet and an exhaust outlet with flange, the shell and the filter core with flange are provided on the side of the shell
Between be formed with swirl air duct, the axis of the air inlet and the axis of the exhaust outlet deviate the axle center of the shell, the air inlet,
The swirl air duct and the exhaust outlet are successively interconnected, which is set to the bottom surface of the shell and mutual with the swirl air duct
Connection, the filter core include three coaxial nested cylindrical filter buckets, and the cylindrical filter bucket is followed successively by sintering filtering from the inside to the outside
Equal array has multiple filter hole, the filter hole energy on device, interior filter vat and outer filter vat, the interior filter vat and the outer filter vat
It is enough to align or be staggered in the interior filter vat and the outer filter vat relative rotation；
The gas-liquid separator includes a cylindric shell, and one is embedded at the intracorporal filter core of the shell and a drain valve, should
Be provided with an air inlet with flange and an exhaust outlet with flange on the side of shell, the shell and the filter core it
Between be formed with swirl air duct, the axis of the air inlet and the axis of the exhaust outlet deviate the axle center of the shell, the air inlet, should
Swirl air duct and the exhaust outlet are successively interconnected, which is set to the bottom surface of the shell and mutually interconnects with the swirl air duct
Logical, which includes two coaxial nested cylindrical filter buckets, and equal array has multiple filter hole on the cylindrical filter bucket, described
Filter hole can be aligned or be staggered in relative rotation.
2. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that the plasma-based sulphur removal denitration device further includes one
A nanometer of plasma-based, the gas-liquid separator, this nanometer of plasma-based and the first medium plasma-based are successively interconnected.
3. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that the filter cartridge is rugosity, the filtering
Intracavitary to be provided with multiple fixed links, the fixed rod support is in the folding corner of the filter cartridge, to separate two neighboring folding
Lamination.
4. plasma-based sulphur removal denitration device as claimed in claim 3, which is characterized in that first admission line, second air inlet
Pipeline, the first exhaust pipeline and the second exhaust pipeline pass through a flaring portion and the filter chamber is interconnected, this first
The flaring portion of admission line and the flaring portion of second admission line are used for uniformly distributed fluid and alleviate flow velocity, the first exhaust pipeline
Flaring portion and the second exhaust pipeline flaring portion for collecting filtered fluid, the two neighboring folding of the filter cartridge
The angle of layer is 5 ° to 15 °.
5. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that first gas-solid separator further includes one
Cigarette ash temporary storage cavity with rotation demarcation plate and knife switch, is provided with demarcation plate between the cigarette ash temporary storage cavity and the filter chamber,
It is provided with crack between the demarcation plate and the inner wall of first gas-solid separator, the cigarette ash temporary storage cavity and the filter chamber are by being somebody's turn to do
Crack is interconnected, and the knife switch is for controlling rotation demarcation plate rotation to discharge the cigarette ash in the cigarette ash temporary storage cavity
Grain.
6. plasma-based sulphur removal denitration device as claimed in claim 5, which is characterized in that first gas-solid separator further includes one
Cigarette ash transports vehicle, and it includes a cabinet and the wheel for being set to the cabinet end which, which transports vehicle, which passes through
One feeding pipe and the cabinet are interconnected.
7. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that be provided with tool on first gas-solid separator
There is the first temperature controlling instruments of heat exchanger, which is surface-type heat exchanger or direct-contact heat exchanger.
8. plasma-based sulphur removal denitration device as claimed in claim 2, which is characterized in that the two sides of this nanometer of plasma-based are provided with perseverance
Temperature control system and the structure for forming this nanometer of plasma-based of clamping, the two sides of the first medium plasma-based are provided with thermostatic control system
It unites and forms the structure for clamping the first medium plasma-based.
9. plasma-based sulphur removal denitration device as claimed in claim 8, which is characterized in that the thermostatic control system includes one
Ventilator cowling, the ventilator cowling are made of the adapter of a transfer tube, a diffuser and a rectangle.
10. plasma-based sulphur removal denitration device as claimed in claim 9, which is characterized in that the adapter includes an annular
Ventilation gap, each ventilation gap includes successively leading under interconnected one upper ventilation circuit, ventilate in one circuit and one
Compression ring road, the ventilation gap are used for circulating-heating gas.
11. plasma-based sulphur removal denitration device as claimed in claim 10, which is characterized in that the thermostatic control system also includes
One temperature-controlled cabinet and an air blower, the lower ventilation exhaust outlet of circuit, the air blower, the temperature-controlled cabinet and this on lead to
The air inlet in compression ring road is successively interconnected.
12. plasma-based sulphur removal denitration device as claimed in claim 11, which is characterized in that be provided with one in the temperature-controlled cabinet
Heater, the temperature-controlled cabinet include the shell with insulating layer, are provided with temperature sensor in the insulating layer.
13. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that the reactor tank includes successively being interconnected
The first reaction chamber, particle temporary storage cavity and the second reaction cavity, be provided in first reaction chamber and second reaction cavity
Multiple deflectors, the deflector, so that fluid uniformly mixes, are also set up for stopping fluid and changing flow direction in the reactor tank
There is the blow-off valve being interconnected with the particle temporary storage cavity.
14. plasma-based sulphur removal denitration device as claimed in claim 13, which is characterized in that first reaction chamber, the particle are temporary
The inner wall of chamber and second reaction cavity is covered with polyurethanes coating or polytetrafluorethylecoatings coatings.
15. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that in the gas-liquid-solid separator, the air inlet
It is set to the lower part of the shell, which is set to the top of the shell, is provided with and is tested in the air inlet on the air inlet
The first pressure gauge of Fluid pressure is provided with the second pressure gauge for testing the exhaust outlet fluid pressure on the exhaust outlet, this is interior
Supporting plate is provided on filter vat, which is fixedly connected by the supporting plate with the sintered filter.
16. plasma-based sulphur removal denitration device as described in claim 1, which is characterized in that in the gas-liquid separator, this two coaxial
Nested cylindrical filter bucket is respectively an outer filter vat and an interior filter vat, which is nested in the outer filter vat,
A spiral helicine drainage plate is provided on the outer filter vat, the drainage plate is for guiding the gas spiral in swirl air duct to transport
It is dynamic.
17. plasma-based sulphur removal denitration device as claimed in claim 16, which is characterized in that in the gas-liquid separator, the air inlet
The top of the shell is all set in the exhaust outlet, the top of the outer filter vat is provided with flow-stopping plate, and the flow-stopping plate is for will be from
The gas barrier that the air inlet flows into is to the drainage plate, so as to the bottom for making the drainage plate that the gas spiral be guided to hit the filter core
Portion.
18. the plasma-based sulphur removal denitration device as described in any one of claim 16-17, which is characterized in that the gas-liquid separation
In device, multiple annular fixing frames and multiple cyclones are provided in the interior filter vat, the cyclone is fixed by the annular
Frame is fixed in the interior filter vat, and the direction of rotation of the cyclone and the drainage direction of the drainage plate are identical.
19. the plasma-based sulphur removal denitration device as described in any one of claim 16-17, which is characterized in that the gas-liquid separation
Device further includes a dish-shaped collection liquid filter and a catheter, the shell, liquid collecting filtering, the catheter and the drain valve
It is successively interconnected, which, which goes into battle, shows multiple liquid collecting filter hole, and the dish-shaped cavity of the collection liquid filter is for receiving
Collect soot particulates.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140278.9A CN104971575B (en) | 2014-04-09 | 2014-04-09 | Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device |
| TW104110590A TWI584863B (en) | 2014-04-09 | 2015-04-01 | Gas - liquid - solid separator, gas - liquid separator and its equipment for sulfur removal and denitrification |
| PCT/CN2015/076132 WO2015154687A1 (en) | 2014-04-09 | 2015-04-09 | Gas-liquid-solid separator, gas-liquid separator and plasma desulphuration and denitration apparatus comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140278.9A CN104971575B (en) | 2014-04-09 | 2014-04-09 | Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104971575A CN104971575A (en) | 2015-10-14 |
| CN104971575B true CN104971575B (en) | 2019-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410140278.9A Expired - Fee Related CN104971575B (en) | 2014-04-09 | 2014-04-09 | Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104971575B (en) |
| TW (1) | TWI584863B (en) |
| WO (1) | WO2015154687A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104971575A (en) | 2015-10-14 |
| TWI584863B (en) | 2017-06-01 |
| TW201544162A (en) | 2015-12-01 |
| WO2015154687A1 (en) | 2015-10-15 |
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