CN204865455U - SOx/NOx control demercuration integrated device based on amino absorbent - Google Patents
SOx/NOx control demercuration integrated device based on amino absorbent Download PDFInfo
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- CN204865455U CN204865455U CN201520620939.8U CN201520620939U CN204865455U CN 204865455 U CN204865455 U CN 204865455U CN 201520620939 U CN201520620939 U CN 201520620939U CN 204865455 U CN204865455 U CN 204865455U
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- spray chamber
- absorbent
- screen cloth
- vapor membrane
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Abstract
The utility model provides a SOx/NOx control demercuration integrated device based on amino absorbent, the device include screen cloth steam membrane room, double -deck spray room and absorbent circulatory pool, and flue gas pipeline links to each other with screen cloth steam membrane room, and from the bottom up is equipped with air distributor, multilayer screen cloth steam membrane, cloth ware and water mist spraying ware more in proper order in the screen cloth steam membrane room, and the bottom of screen cloth steam membrane room contains amino absorbent, double -deck spray room is located the top of screen cloth steam membrane room, and the exhanst gas outlet of screen cloth steam membrane room links to each other with the flue gas of double -deck spray room entry, and double -deck spray room includes upper and lower layer spray room, two the same, mutual independence of spray room inner structure, and its bottom all contains amino absorbent, the exhanst gas outlet of upper strata spray room links to each other with the chimney outlet of device, screen cloth steam membrane room and double -deck spray room are connected respectively to the absorbent circulatory pool. The utility model has the advantages of simple structure, investment and running cost are low, process flow is simple, higher to pollutant desorption efficiency.
Description
Technical field
The utility model belongs to technical field of air pollution control, is specifically related to a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent.
Background technology
Along with the development of China's economy, atmosphere polluting problem is given prominence to gradually, and pollutant comprises sulfur dioxide (SO
2), nitrogen oxide (NO
x) and mercury etc.Wherein, SO
2be one of modal pollutant in air, research shows SO in air
2meeting cause various respiratory tract disease, suck excessive SO
2suffocating of people can be caused even dead; SO in air
2easily form sulfuric acid through oxidative absorption moisture, mix with precipitation and can form acid rain, all have larger harm to aquatic ecosystem, Agro-ecological System, forest ecosystem, building and the aspect such as material, health.Nitrogen oxide (NO
x) comprise NO and NO
2, both have very strong harmfulness to human body and environment, and NO can be combined and cause anoxic by the hemoglobin in blood, and NO also has carcinogenesis in addition; NO
2with hydrocarbon effect, photochemical fog and ozone can be generated, and NO
2enter human respiratory, lung and breathing problem can be caused, time serious, also can cause death.Mercury (Hg
0) because of its high volatile volatile, persistence, be easy to the characteristics such as biogenic sediment, one of 189 kinds of hazardous air pollutants are listed in " CleanAirAmendment (CAAA) " that pass through in US Congress in nineteen ninety, mercury mainly involves central nervous system, digestive system and kidney to the harm of human body, very large to the healthy harm of people.Therefore, control combustion pollutant emission has become the focus of research recently.
Conventional method is that the mode combined with SCR by wet desulphurization removes SO
2, NO
xdeng, removal efficiency is higher, but exists and cover an area of large, investment and operating cost is high and the shortcoming such as complex process; And urea wet method simultaneous SO_2 and NO removal is because its technique is simple, accessory substance can utilize and cause society and pay close attention to widely, it is the Main way of fume treatment development from now on.
Urea is as a kind of strong reductant, and its aqueous solution can effectively by SO
2absorb, absorbing liquid product ammonium sulfate after treatment, can avoid a large amount of gypsum to produce; Urea energy and NO simultaneously
xreaction generates nitric acid ammonia and nitrogen, decreases secondary pollution; Therefore, adopt urea to remove SO as absorbent simultaneously
2, NO
x, Hg
0there is potential researching value.Patent in urea wet desulphurization denitration demercuration has: integrated simultaneous SO_2 and NO removal demercuration absorbing liquid and its preparation method and application (patent No.: CN201010599929.2), the method (patent No.: CN200510100019.4) of application triethylenediamine cobalt and urea wet flue gas pick-ups and deliveries, the technique (patent No.: CN200510062184.5) of the wet method combined desulphurization denitration of urea is strengthened with alkali metal compounds, the wet method combined process for desulfurization and denitration (patent No.: CN200510062185.X) of urea and the denitration and desulfurization method combined with urea wet method (patent No.: CN200910262978.4) of coal-fired flue-gas is strengthened with chloric strong oxidant, above technology merely illustrates simple methods and strategies and abstract device, but because urea wet method and traditional wet method have difference, do not have a set of applicable device that matches at present, so be badly in need of now developing a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent.
Summary of the invention
The purpose of this utility model is to provide a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent, without the need to arranging reacting appliance in addition, completes the process of desulfurization denitration demercuration in a device simultaneously.
The utility model solves the technical scheme that its technical problem adopts:
A kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent, described desulfurization denitration demercuration integrated apparatus comprises screen cloth vapor membrane room, double layers of sprinkling room and absorbent circulatory pool, flue is connected with screen cloth vapor membrane room, be provided with gas distributor, Multilayer Network cloth vapor membrane, again cloth device and water mist sprinkling device in screen cloth vapor membrane room from top to bottom successively, a large amount of described amino absorbent is contained in the bottom of screen cloth vapor membrane room; Described double layers of sprinkling room is positioned at the top of screen cloth vapor membrane room, the exhanst gas outlet of screen cloth vapor membrane room is connected with the smoke inlet of double layers of sprinkling room, double layers of sprinkling room comprises upper strata spray chamber and lower floor's spray chamber, two spray chamber internal structures are identical, separate, be equipped with spray chamber gas distributor, spray chamber cloth device and spray chamber water mist sprinkling device more from bottom to top successively in upper strata spray chamber and lower floor's spray chamber, the bottom of upper strata spray chamber and lower floor's spray chamber is all containing described amino absorbent; The exhanst gas outlet of upper strata spray chamber is connected with the chimney breast of described desulfurization denitration demercuration integrated apparatus; Described absorbent circulatory pool is by pipeline connection network cloth vapor membrane room and double layers of sprinkling room respectively.
Further, connect flue outside described gas distributor, gas distributor is made up of many horizontally disposed pipelines, and every root pipeline is uniformly distributed a large amount of venthole.
Further, described screen cloth vapor membrane is the Sandwich materials be made up of the superpower polyster fibre of two outside layers PVDF fire-retardant film therebetween.
Further, described Multilayer Network cloth vapor membrane is provided with metallic support and downspout perforation; Multilayer Network cloth vapor membrane is connected with the inwall of described device, and topmost the screen cloth vapor membrane of one deck is concordant with liquid level; The outside of Multilayer Network cloth vapor membrane is provided with water washing device.
Further, described spray chamber gas distributor comprises center pillar, endless tube and Duo Gen bend pipe, bend pipe is evenly distributed on around center pillar, one end of bend pipe is communicated with the top of center pillar, the other end of bend pipe is communicated with endless tube, endless tube is positioned under the liquid level of described amino absorbent, and endless tube is evenly provided with multiple exhanst gas outlet; Described spray chamber again cloth device is made up of multiple layer metal silk screen.
Further, described upper strata spray chamber and lower floor's spray chamber are respectively equipped with upper strata spray down-comer and lower floor's spray down-comer; The upper end of lower floor's spray down-comer is positioned at the liquid level place of lower floor's spray chamber, and its lower end is positioned at below Multilayer Network cloth vapor membrane; The upper end of upper strata spray down-comer is positioned at the liquid level place of upper strata spray chamber, and lower end is positioned under the liquid level of lower floor's spray chamber.
Further, described absorbent circulatory pool is respectively by overflow pipe and spray piping connection network cloth vapor membrane room and double layers of sprinkling room; Absorbent circulatory pool comprises anode chamber, cathode chamber, dc source, catholyte circular chamber and catholyte water circulating pump, catholyte circular chamber and catholyte water circulating pump is connected outside cathode chamber, dc source is jointed anode room and cathode chamber respectively, and anode chamber and cathode chamber are separated by ionic membrane.
SO in flue gas
2soluble in water and weakly alkaline urea and ammonium bicarbonate soln react, and its reaction mechanism is:
SO
2(g)+(NH
2)
2cO (aq)+2H
2o (l)+1/2O
2→ (NH
2)
2sO
4(aq)+CO
2g () in addition, the reaction mechanism of the independent desulfurization of ammonium persulfate is as follows:
S
2O
8 2-+SO
2+2H
2O→3SO
4 2-+4H
+
The denitration efficiency not adding the amino acid solution of additive generally can only reach about 20%, its reason mainly due to NO is insoluble in water and hardly with alkaline reaction, but NO through oxidation conversion be NO
2after, NO
2can react with alkaline solution, the reaction mechanism of urea liquid absorption process denitration is:
2NO(g)+O
2(g)→2NO
2(g)
3NO
2(g)+H
2O(l)→2HNO
3(aq)+NO(g)
NO(g)+NO
2(g)+(NH
2)
2CO(aq)→2H
2O(l)+CO
2(g)+2N
2(g)
In addition, the reaction mechanism of the independent denitration of ammonium persulfate is as follows:
2NO+3S
2O
8 2-+4H
2O→2NO
3 —+6SO
4 2-+8H
+
Amino acid solution itself can't react with mercury, and adding additive can by Hg
0be oxidized to Hg
2+, the Hg after oxidation
2+be dissolved in amino acid solution, its reaction mechanism is as follows:
S
2O
8 2—+Hg
0→2SO
4 2—+Hg
2+
Absorbent circulatory pool of the present utility model adopts electrolysis to produce additive ammonium persulfate, decreases the consumption for additive ammonium persulfate, thus reduces certain cost; Adopt ammonium sulfate and sulfuric acid mixed solution to be electrolyte, cell reaction is as follows:
(NH
4)
2SO
4(aq)+H
2SO
4(aq)→(NH
4)S
2O
8(aq)+H
2(g)
The absorption product ammonium sulfate of ammonium persulfate simultaneous SO_2 and NO removal demercuration can regain ammonium persulfate after electrolysis, realizes recycling, and the electric energy consumed in electrolytic process is provided on the spot by power plant.
The ammonium radical ion that ammonium persulfate provides partly or entirely can offset the consumption of urea in urea denitrification process, saves operating cost; Persulfuric acid radical ion in ammonium persulfate and ammonium radical ion all take part in denitrification reaction, and nitric efficiency is improved, and operating cost reduces; Therefore, from the angle of reaction principle, ammonium persulfate is suitable as additive.
For the defect that existing urea Wet technique exists, the utility model improves the degree of oxidation of coal-fired flue-gas by the contact area increasing coal-fired flue-gas and amino absorbent, and then improves the efficiency of flue gas and desulfurizing and denitrifying demercuration; Specifically: flue gas is by after gas distributor, first react in amino absorbent, again by the screen cloth vapor membrane of top, screen cloth vapor membrane greatly reduces the speed of flue gas by amino absorbent, smoke-shock screen cloth vapor membrane, constantly forms the alkaline spray spittle, and flue gas is washed by rubbing with the hands repeatedly to be absorbed repeatedly, then amino absorbent also spray through screen cloth vapor membrane room cloth device again and defines alkaline water curtain by the screen cloth vapor membrane room water pump of top, and fully contacts with the flue gas of rising; Then flue gas is again through double layers of sprinkling room, in double layers of sprinkling room, in like manner carry out oxidative absorption reaction twice, finally completes three grades of process for purifying of the simultaneous SO_2 and NO removal demercuration of flue gas.
The utility model plant area area is little, technique is simple, higher and non-secondary pollution, investment and operating cost are low, be applicable to large-area popularization to pollutant removing efficiency, for the power plant of a 2 × 100MW, use conventional method need 4,000 ten thousand yuan of operating costs every year, and adopt device of the present utility model in theory operating cost can reduce by more than 50%.
In addition, the utility model also has following advantage: (1) the utility model apparatus structure is simple, adopts equipment except circulating pump, does not substantially need other large-scale current consuming apparatus; (2) the utility model range of application is comparatively wide, can be applied to the fume treatment aspect of the multiple industries such as electric power, smelting, chemical industry; (3) waste liquid of the utility model process is different from conventional wet desulfurization and can only produces a large amount of gypsum, and the waste liquid of purifying smoke is (NH
4)
2sO
4, (NH
4)
2sO
3and NH
4nO
3deng compound, product also can be used as fertilizer application or produces oxidized form additive by cell reaction and recycles, non-secondary pollution; (4) adopt the utility model smoke treatment, can reach the desulfuration efficiency of more than 95%, the denitration efficiency of 75 ~ 95% and about 92% demercuration efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model desulfurization denitration demercuration integrated apparatus;
Fig. 2 is the left view of the utility model desulfurization denitration demercuration integrated apparatus;
Fig. 3 is the structural representation of screen cloth vapor membrane of the present utility model;
Fig. 4 is the structural representation of the gas distributor in double layers of sprinkling room of the present utility model;
Fig. 5 is the structural representation of the device of cloth again in double layers of sprinkling room of the present utility model;
Wherein, 1-screen cloth vapor membrane room, 2-flue, 3-gas distributor, 4-Multilayer Network cloth vapor membrane, 5-screen cloth vapor membrane room water pump, 6-screen cloth vapor membrane room cloth device again, 7-screen cloth vapor membrane room water mist sprinkling device, 8-lower floor spray down-comer, 9-lower floor spray chamber gas distributor, 10-upper strata spray down-comer, 11-lower floor spray chamber cloth device again, 12-upper strata spray chamber gas distributor, 13-lower floor spray chamber water pump, 14-upper strata spray chamber cloth device again, 15-upper strata spray chamber water mist sprinkling device, 16-upper strata spray chamber water pump, 17-chimney breast, 18-overflow pipe, 19-absorbent circulatory pool, 20-spray piping, 21-double layers of sprinkling room, 22-lower floor spray chamber, 23-upper strata spray chamber, 24-lower floor spray chamber water mist sprinkling device, 25-demister, 26-water washing device, 27-anode chamber, 28-cathode chamber, 29-dc source, 30-catholyte circular chamber, 31-catholyte water circulating pump, 32-leakage fluid dram, 33-downspout is bored a hole, 34-metallic support, 35-bend pipe, 36-endless tube, 37-gas vent, 38-center pillar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See figures.1.and.2, this desulfurization denitration demercuration integrated apparatus comprises screen cloth vapor membrane room 1, double layers of sprinkling room 21 and absorbent circulatory pool 19, flue 2 is connected with the screen cloth vapor membrane room 1 on the right side of it, double layers of sprinkling room 21 is positioned at the top of screen cloth vapor membrane room 1, and the exhanst gas outlet of screen cloth vapor membrane room 1 is connected with the smoke inlet of double layers of sprinkling room 21; Absorbent circulatory pool 19 is by pipeline connection network cloth vapor membrane room 1 and double layers of sprinkling room 21 respectively.
Be provided with gas distributor 3, Multilayer Network cloth vapor membrane 4, screen cloth vapor membrane room cloth device 6 and screen cloth vapor membrane room water mist sprinkling device 7 again in screen cloth vapor membrane room 1 from top to bottom successively, the bottom of screen cloth vapor membrane room 1 is provided with a large amount of amino absorbent.Flue gas flows into mean allocation in gas distributor 3 by flue 2, and flue gas out impacts Multilayer Network cloth vapor membrane 4 from gas distributor 3, and Multilayer Network cloth vapor membrane 4 adds flue gas dead time in the solution, makes flue gas SO
2, NO
xand Hg
0deng fully reaction, flue gas constantly forms the alkali spray spittle, repeatedly washes by rubbing with the hands repeatedly to absorb; In flue gas, granular powder dust quantity causes too greatly the blocking of Multilayer Network cloth vapor membrane 4, amino absorbent sprays through screen cloth vapor membrane room water mist sprinkling device 7 by screen cloth vapor membrane room water pump 5, through screen cloth vapor membrane room, cloth device 6 defines alkaline water curtain more again, strengthens the contact of solution and flue gas.
Wherein, gas distributor 3 connects flue 2, and gas distributor 3 is made up of many horizontally disposed pipelines, and the cross section of pipeline is circular, and every root pipeline is uniformly distributed a large amount of venthole.
Multilayer Network cloth vapor membrane 4 is composited by adding superpower polyster fibre in two-layer PVDF (fire-retardant) film, and film is provided with downspout perforation 33 and metallic support 34 (as shown in Figure 3).Solid particle in flue gas can be grown up due to hydrophily, majority is deposited to bottom absorbent, only has minority to be adsorbed on the mesh of screen cloth, therefore, mesh reduces effectively to be acted on by its sieving, inertia, retain etc. and strengthens by Multilayer Network cloth vapor membrane 4, and efficiency of dust collection is significantly improved; Another effect of Multilayer Network cloth vapor membrane 4 makes gas by screen cloth film, retained by solid impurity, carry out gas solid separation, avoid blocking pipe.The mesh of general synthetic fiber cloth is 20 ~ 50um, for avoiding the pressure loss to exceed scope of design, can decide the mesh size of Multilayer Network cloth vapor membrane 4 according to flue gas flow rate and flow.
Select PVDF alloy film+Dacron pipe as the material of Multilayer Network cloth vapor membrane 4, its main cause is as follows: (1) solves the problem of film silk easy fracture, maximum weight of bearing 50kg, in addition owing to adding the modifier of extraordinary nano material, overcome hymeniderm in practical application preferably and hold caducous defect; (2) owing to adding hydrophilic modifying agent, there is the face characteristic of ultra-smooth and unique charge character, create its superpower antifouling property; (3) the reticular membrane structure of extraordinary nano material formation, makes it have very high space and large water flux; (4) inside and outside fine and close two cortex constructions make it have superior cutoff performance; (5) unique inside and outside compacted zone structure, makes its pollutant can only rest on the outer surface of film, can not enter reticulated void inside, be highly susceptible to cleaning, and is easy to recover after cleaning; (6) material member modularization is easy to design, compact conformation, occupation of land are little, is easy to combinationally use.
Multilayer Network cloth vapor membrane 4 is connected with tower body inwall, and level sinks in liquid, and topmost one deck screen cloth vapor membrane is concordant with liquid level, namely concordant with overfall.
The outside of Multilayer Network cloth vapor membrane 4 is provided with water washing device 26, and object is cleaned out by the solid particle on it, to ensure effect of screen cloth vapor membrane 4.
Screen cloth vapor membrane room 1 bottom right side is provided with leakage fluid dram 32, reacted absorbing liquid and impurity is discharged in time, on the upside of leakage fluid dram 32, overflow pipe is housed, entered in time in absorbent circulatory pool 19 by unnecessary absorbing liquid.
The top connected double-layer spray chamber 21 of screen cloth vapor membrane room 1, it is identical, separate with upper strata spray chamber 23, two spray chamber internal structures that double layers of sprinkling room comprises lower floor's spray chamber 22; Be provided with lower floor's spray chamber gas distributor 9, lower floor's spray chamber cloth device 11 and lower floor's spray chamber water mist sprinkling device 24 again in lower floor's spray chamber 22 from bottom to top successively, the bottom of lower floor's spray chamber 22 is provided with amino absorbent.
Smoke reaction process is as follows: in screen cloth vapor membrane room 1, reacted flue gas enters lower floor's spray chamber 22 by lower floor's spray chamber gas distributor 9, flue gas from lower floor's spray chamber gas distributor 9 out, gas is made to produce eddy flow turbulent waves, extend gas in liquid pool dead time, gas impacts the bottom absorbing liquid of lower floor's spray chamber 22, then lower floor's spray chamber water pump 13 of top, absorbing liquid is sprayed through lower floor's spray chamber water mist sprinkling device 24, through lower floor's spray chamber again cloth device 11 again define alkaline water curtain, with rise flue gas fully contact.
The reacted flue gas of lower floor's spray chamber 22 enters upper strata spray chamber 23 through upper strata spray chamber gas distributor 12, identical with lower floor's spray chamber 22, flue gas out impacts bottom absorbing liquid afterwards from distributor, then through upper strata spray chamber water pump 16, amino acid solution is sprayed through upper strata spray chamber water mist sprinkling device 15, eventually pass upper strata spray chamber again cloth device 14 again define alkaline water curtain.
SO now in flue gas
2, NO
xand Hg
0substantially removed Deng in this device, last flue gas, through demister 25, is discharged by chimney breast 17.
Wherein, gas distributor in double layers of sprinkling room comprises center pillar 38, endless tube 36 and 4 bend pipes 35, bend pipe 35 is evenly distributed on center pillar 38 around, one end of bend pipe 35 communicates with the top of center pillar 38, the other end communicates with endless tube 36, endless tube 36 is positioned under the liquid level of amino absorbent, endless tube 36 is evenly provided with 8 gas vents 37 (as shown in Figure 4); Spray chamber again cloth device is made up of (as shown in Figure 5) multiple layer metal silk screen.
For avoiding lower floor's spray chamber 22 and upper strata spray chamber 23 ejecting liquid surplus, ad hoc lower floor spray down-comer 8 and upper strata spray down-comer 10, lower floor's spray down-comer 8 upper end is connected to the liquid level place of lower floor's spray chamber 22, and lower end is connected to the bottom of Multilayer Network cloth vapor membrane 4; Spray down-comer 10 upper end, upper strata is connected to the liquid level place of lower upper strata spray chamber 23, and lower end is connected to bottom lower floor's spray chamber water bed 22 absorbing liquid.
In addition for meeting recycling of this unit, ad hoc have the absorbent circulatory pool 19 be connected with screen cloth vapor membrane room 1, two equipment are connected by overflow pipe 18, and absorbent circulatory pool 19 top is provided with the spray piping 20 be connected with double layers of sprinkling room 21, sufficient with the alkali lye meeting upper and lower two-layer spray chamber.Absorbent circulatory pool 19 comprises anode chamber 27, cathode chamber 28, dc source 29, catholyte circular chamber 30 and catholyte water circulating pump 31, catholyte circulation line (i.e. catholyte circular chamber 30 and catholyte water circulating pump 31) is connected with outside cathode chamber 28, anode chamber 27 and cathode chamber 28 are connected by dc source 29, and anode chamber 27 and cathode chamber 28 are separated by ionic membrane.
After the ammonium persulfate in absorbent consumes a part, add a certain amount of sulfuric acid at catholyte circular chamber 30, add a small amount of amino acid solution in anode chamber, after logical upper direct current, anode produces a certain amount of ammonium persulfate, and negative electrode produces a small amount of hydrogen; Can close dc source 29 after ammonium persulfate mass fraction reaches 2.0%, the ammonium persulfate solution of generation sprays in double layers of sprinkling room 21 through water pump and realizes circulation.
Claims (7)
1. the desulfurization denitration demercuration integrated apparatus based on amino absorbent, it is characterized in that, described desulfurization denitration demercuration integrated apparatus comprises screen cloth vapor membrane room, double layers of sprinkling room and absorbent circulatory pool, flue is connected with screen cloth vapor membrane room, be provided with gas distributor, Multilayer Network cloth vapor membrane, again cloth device and water mist sprinkling device in screen cloth vapor membrane room from top to bottom successively, a large amount of described amino absorbent is contained in the bottom of screen cloth vapor membrane room;
Described double layers of sprinkling room is positioned at the top of screen cloth vapor membrane room, the exhanst gas outlet of screen cloth vapor membrane room is connected with the smoke inlet of double layers of sprinkling room, double layers of sprinkling room comprises upper strata spray chamber and lower floor's spray chamber, two spray chamber internal structures are identical, separate, be equipped with spray chamber gas distributor, spray chamber cloth device and spray chamber water mist sprinkling device more from bottom to top successively in upper strata spray chamber and lower floor's spray chamber, the bottom of upper strata spray chamber and lower floor's spray chamber is all containing described amino absorbent; The exhanst gas outlet of upper strata spray chamber is connected with the chimney breast of described desulfurization denitration demercuration integrated apparatus;
Described absorbent circulatory pool is by pipeline connection network cloth vapor membrane room and double layers of sprinkling room respectively.
2. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as claimed in claim 1, it is characterized in that, connect flue outside described gas distributor, gas distributor is made up of many horizontally disposed pipelines, and every root pipeline is uniformly distributed a large amount of venthole.
3. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as claimed in claim 1, it is characterized in that, described screen cloth vapor membrane is the Sandwich materials be made up of the superpower polyster fibre of two outside layers PVDF fire-retardant film therebetween.
4. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as described in one of as any in claim 1-3, it is characterized in that, described Multilayer Network cloth vapor membrane is provided with metallic support and downspout perforation; Multilayer Network cloth vapor membrane is connected with the inwall of described device, and topmost the screen cloth vapor membrane of one deck is concordant with liquid level; The outside of Multilayer Network cloth vapor membrane is provided with water washing device.
5. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as described in one of as any in claim 1-3, it is characterized in that, described spray chamber gas distributor comprises center pillar, endless tube and Duo Gen bend pipe, bend pipe is evenly distributed on around center pillar, one end of bend pipe is communicated with the top of center pillar, the other end of bend pipe is communicated with endless tube, and endless tube is positioned under the liquid level of described amino absorbent, and endless tube is evenly provided with multiple exhanst gas outlet; Described spray chamber again cloth device is made up of multiple layer metal silk screen.
6. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as described in one of as any in claim 1-3, it is characterized in that, described upper strata spray chamber and lower floor's spray chamber are respectively equipped with upper strata spray down-comer and lower floor's spray down-comer; The upper end of lower floor's spray down-comer is positioned at the liquid level place of lower floor's spray chamber, and its lower end is positioned at below Multilayer Network cloth vapor membrane; The upper end of upper strata spray down-comer is positioned at the liquid level place of upper strata spray chamber, and lower end is positioned under the liquid level of lower floor's spray chamber.
7. a kind of desulfurization denitration demercuration integrated apparatus based on amino absorbent as described in one of as any in claim 1-3, is characterized in that, described absorbent circulatory pool is respectively by overflow pipe and spray piping connection network cloth vapor membrane room and double layers of sprinkling room; Absorbent circulatory pool comprises anode chamber, cathode chamber, dc source, catholyte circular chamber and catholyte water circulating pump, catholyte circular chamber and catholyte water circulating pump is connected outside cathode chamber, dc source is jointed anode room and cathode chamber respectively, and anode chamber and cathode chamber are separated by ionic membrane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520620939.8U CN204865455U (en) | 2015-08-17 | 2015-08-17 | SOx/NOx control demercuration integrated device based on amino absorbent |
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|---|---|---|---|
| CN201520620939.8U CN204865455U (en) | 2015-08-17 | 2015-08-17 | SOx/NOx control demercuration integrated device based on amino absorbent |
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|---|---|
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871181A (en) * | 2020-07-20 | 2020-11-03 | 莱西市蔚来设计中心 | Waste gas desulfurization and denitrification method |
| CN111871180A (en) * | 2020-07-20 | 2020-11-03 | 莱西市蔚来设计中心 | Waste gas desulfurization and denitrification equipment |
-
2015
- 2015-08-17 CN CN201520620939.8U patent/CN204865455U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871181A (en) * | 2020-07-20 | 2020-11-03 | 莱西市蔚来设计中心 | Waste gas desulfurization and denitrification method |
| CN111871180A (en) * | 2020-07-20 | 2020-11-03 | 莱西市蔚来设计中心 | Waste gas desulfurization and denitrification equipment |
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