CN105107374A - Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis - Google Patents
Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis Download PDFInfo
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- CN105107374A CN105107374A CN201510580979.9A CN201510580979A CN105107374A CN 105107374 A CN105107374 A CN 105107374A CN 201510580979 A CN201510580979 A CN 201510580979A CN 105107374 A CN105107374 A CN 105107374A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis. The device is composed of a catalytic reaction absorption tower and an electrolytic reactor. The electrolytic reactor is communicated with the catalytic reaction absorption tower through a hydrogen gas opening (9) of a guide plate (10). A tower body shell (27) of the catalytic reaction absorption tower is internally provided with a baffle (28), a first desulfurization and denitration catalyst packing layer (2), an upper bearing plate (26), a carbon fixation catalyst packing layer (3), a middle bearing plate (25), a second desulfurization and denitration catalyst packing layer (4), a lower bearing plate (24), a solid-liquid separator (23), a flue gas distributor (6) and a hydrogen gas distributor (7) in sequence from the upper end to the position close to the lower end. The electrolytic reactor is internally provided with an electrolytic reaction chamber. The electrolytic reaction chamber is internally provided with anode plates (14) and cathode plates (12), and the anode plates (14) are separated from the cathode plates (12) through proton membranes (13). The flue gas desulfurization and denitration device has the advantages of being simple in structure, small in occupied area, low in investment and operation cost, high in flue gas purification efficiency and good in product recycling effect.
Description
Technical field
The invention belongs to flue gas desulfurization and denitrification device technique field.Be specifically related to a kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.
Background technology
Along with the continuous acceleration of China's industrialization, urbanization, industry occupies increasing proportion in growth of the national economic, and the mankind also grow with each passing day for the demand of the energy.The consumption of the natural resources such as coal, oil, natural gas increases severely day by day, result in atmosphere pollution.A few days ago, the haze weather that national numerous city occurs, makes the living environment of the mankind face the challenge, and toxic is strong, diffusion sweep area is wide, control the features such as difficulty is large because it has for the pernicious gas in air, enjoys the concern of domestic and international all circles.SO
2, NO
xand CO
2deng flue gas as major pollutants matter, wherein SO
2, NO
xcan acid rain be formed, also can form the contamination phenomenon such as photochemical fog, not only can endanger the respiratory system of people, also can the normal growth of vegetation destruction; And a large amount of CO discharged in air
2, have a strong impact on climate change, cause " greenhouse effects ", so how effectively to administer SO
2, NO
xand CO
2extremely urgent environmental issue has been become Deng harmful smoke.
At present, for flue gas SO
xremoval mainly adopts is lime stone-gypsum, lime stone-gypsum achieves some achievements in research and environmental protection, but there is device complexity, and greatly, the problem that operating cost is higher, as SO in flue gas in investment
2when fluctuation ratio is larger, lime stone amount is difficult to control, the CaSO of generation
3and CaSO
4easy blocking pipe and equipment.For flue gas NO
xremoval mainly adopt catalytic reduction method, catalytic reduction method is by the NO in flue gas
xthough concentration of emission can be down to reduced levels, consume a large amount of NH
3, the also consume fuel gas had, economic loss is large.At reduction CO
2in the method for concentration, the method for reducing of most study has thermochemical reduction and photo catalytic reduction etc., and wherein thermochemical reduction needs HTHP, and also can produce CO in the process of reduction
2; Although photo catalytic reduction environmental protection and energy saving, productive rate is lower, and speed is slower.
Mostly traditional handicraft is De-NO_x after desulfurizer or before deduster, thus realizes combined desulfurization and denitration, and this classification administration way exists that floor space is large, investment and many drawbacks such as operating cost is high.
Summary of the invention
The present invention is intended to overcome prior art defect, and object is to provide that a kind of structure is simple, floor space is little, investment and operating cost is low, gas cleaning efficiency is high and product recycling is effective proton membrane electro-catalysis flue gas desulfurization and denitrification device.
For achieving the above object, the technical solution used in the present invention is: described device is made up of catalytic reaction absorption tower and electrolysis reactor, and the lower end on catalytic reaction absorption tower is connected with the concentricity line in the upper end of electrolysis reactor for overall.
The structure on catalytic reaction absorption tower is: top cover is fixedly connected with by the concentricity line of flange with tower body, and the longitudinal section of top cover is arc-shaped, and the center position of top cover is provided with exhaust outlet.
The structure of tower body is: tower body housing is hollow cylinder, and the height of tower body housing and external diameter ratio are 3 ︰ 1 ~ 5 ︰ 1.In tower body housing, from upper end to being provided with baffle plate, the first desulphurization denitration catalyst filling layer, upper bearing plate, solid C catalyst packing layer, middle bearing plate, the second desulphurization denitration catalyst filling layer, lower bearing plate, solid-liquid separator, flue gas disperser and hydrogen disperser successively near lower end.
Wherein: the distance in the distance between baffle plate with upper bearing plate, Distance geometry between upper bearing plate with middle bearing plate between bearing plate with lower bearing plate is equal; The media-filling rate of the first desulphurization denitration catalyst filling layer, solid C catalyst packing layer and the second desulphurization denitration catalyst filling layer is 0.9 ~ 1 times.Solid-liquid separator is that inclined-plane is arranged, and the angle of solid-liquid separator and horizontal plane is 15 ~ 20 °, and solid-liquid separator is fixedly connected with the inwall of tower body housing.The side of tower body housing has solid product outlet, and the side of described tower body housing is the side identical with the inclined-plane extreme lower position of solid-liquid separator, and solid product outlet is close to the ramp of solid-liquid separator.Have smoke air inlet at the opposite side of tower body housing, smoke air inlet is between flue gas disperser and hydrogen disperser.The upper plane of flue gas disperser to lower bearing plate lower plane between distance be 0.3 ~ 0.4 times of tower body housing inner diameter, the upper plane of hydrogen disperser to flue gas disperser lower plane between distance be 0.2 ~ 0.3 times of tower body housing inner diameter.
The structure of described electrolysis reactor is: electrolysis reactor housing is for cylindric, and electrolysis reactor housing outer diameter is equal with the external diameter of tower body housing, and the height of electrolysis reactor housing and the ratio of external diameter are 1.1 ︰ 1 ~ 1.3 ︰ 1.Electrolysis reactor housing is provided with drainage plate topmost, and drainage plate is that inclined-plane is arranged, and the angle of drainage plate and horizontal plane is 15 ~ 20 °.Have hydrogen mouth at drainage plate, hydrogen mouth is positioned at the highest point on drainage plate inclined-plane.The side of electrolysis reactor housing has product liquid outlet and oxygen discharge, the side of described electrolysis reactor housing is the side identical with the inclined-plane extreme lower position of drainage plate, product liquid outlet is close to drainage plate ramp, and oxygen discharge is close to drainage plate lower inclined plane.
Be provided with cell reaction room in electrolysis reactor housing, cell reaction room is positioned at the bottom of electrolysis reactor housing, between the bottom of electrolysis reactor housing and the bottom of cell reaction room, have inlet.Cell reaction room is casing shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel has 11 or 15 or 19 slots equably, and each slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.Be all be embedded with proton membrane in the slot of even number at serial number, serial number is embed positive plate (14) in the slot of 1,5,9, or serial number is embed positive plate (14) in the slot of 1,5,9,13, or serial number is embed positive plate in the slot of 1,5,9,13,17, all the other slots are all embedded with minus plate.Have row's aperture between the slot of box bottom and roof box equably, often arranging aperture is 12 ~ 30, and small aperture is 5 ~ 8mm.The upper plane of roof box is fixed with 3 ~ 5 bar shaped frids, and time fixing, down, the pore of minus plate both sides is positioned at the notch of bar shaped frid to the notch of each bar shaped frid.Communicate between bar shaped frid, one end of Hydrogen Line communicates with bar shaped frid, and the other end of Hydrogen Line communicates with hydrogen mouth.
Described positive plate is connected with the positive pole of battery by positive wire, and described minus plate is connected with the negative pole of battery by cathode conductor.
The thickness of described baffle plate is 1 ~ 3cm, and the external diameter of baffle plate is equal with the internal diameter of tower body housing; Baffle plate has aperture, and the aperture of described aperture is 1 ~ 3mm, and percent opening is 45 ~ 65%; Described baffle plate and upper bearing plate, middle bearing plate are identical with lower bearing plate.
The filler of described first desulphurization denitration catalyst filling layer is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
The filler of described solid C catalyst packing layer is Cu/Al
2o
3catalyst and CuO/ZnO/Al
2o
3one or both in catalyst, particle diameter is 4 ~ 6mm.
The filler of described second desulphurization denitration catalyst filling layer is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
Described solid-liquid separator is made up of stainless steel coil and filter net cloth, stainless steel coil ovalize, and filter net cloth is fixed on stainless steel coil, and the material of filter net cloth is polypropylene or nylon, and aperture is 0.045 ~ 0.15mm.
The thickness of described flue gas disperser is 5 ~ 15cm, and flue gas disperser has aperture, and the aperture of described aperture is 1 ~ 5mm, and percent opening is 30 ~ 50%.
The thickness of described hydrogen disperser is 5 ~ 15cm, and hydrogen disperser has aperture, and the aperture of described aperture is 3 ~ 5mm, and percent opening is 50 ~ 70%.
The material of described proton membrane is carbon nano-fiber material.
The closed at both ends of described bar shaped frid.
This device can to the SO in mixed flue gas
2, NO
xand CO
2purify, can also to the sulphur in product and methyl alcohol resource recycling.Its concrete steps are as follows:
Step one, by the inlet of this device, first pump in electrolysis reactor by water, the voltage in electrolysis reactor is 2.2V ~ 3.5V, then opens the valve of oxygen discharge and the valve of hydrogen mouth.Cell reaction starts, and water, under electric field action, decomposites H
+and OH
-, OH
-o is generated in anode generation oxidation reaction
2, O
2enter into electrolysis reactor housing by the aperture of positive plate both sides from cell reaction room, then discharged by oxygen discharge; H
+then move to negative electrode generation reduction reaction by anode through proton membrane, be combined with electronics and generate H
2, H
2entered in bar shaped frid by the aperture of minus plate both sides, then enter catalytic reaction absorption tower through Hydrogen Line by hydrogen disperser.
Step 2, works as H
2when entering catalytic reaction absorption tower, open the valve of smoke air inlet, by the inlet gas concentration of valve regulated flue gas, will send in catalytic reaction absorption tower through the pretreated flue gas of deoxidation.The pretreated flue gas of deoxidation passes through the second desulphurization denitration catalyst filling layer, solid C catalyst packing layer and the first desulphurization denitration catalyst filling layer successively after the dispersion of flue gas disperser, it is made fully to contact with the catalyst in each packing layer, carry out desulphurization and denitration and solid carbon reaction, obtain sulphur, nitrogen and methyl alcohol.
Step 3, carries out collection process to the product after gas cleaning.The nitrogen that denitration reaction produces is discharged by exhaust outlet; The sulphur that desulphurization reaction generates is trapped on the filter net cloth of solid-liquid separator, is discharged collect by solid product outlet; Gu the methyl alcohol that carbon reaction generates is collected as fuel utilization by product liquid outlet.
Owing to adopting technique scheme, the present invention compared with prior art has following good effect:
1. this device have employed proton membrane water electrolysis hydrogen production technology, can provide sufficient reducibility gas-hydrogen, reduces investment and operating cost.
2. this device is provided with flue gas disperser at smoke air inlet, and hydrogen mouth is provided with hydrogen disperser, considerably increases the contact area of flue gas and hydrogen and catalyst, and gas cleaning efficiency is high.
3. this device is by using multi-catalyst, at absorption flue gas SO
2, NO
xand CO
2while, flue gas is converted into sulphur and methyl alcohol, transformation efficiency reaches 95%, and product recycling is effective.
4. this device achieves the integrated catalytic absorption reaction of mixed flue gas, and integrate desulphurization and denitration and react with solid carbon, floor space is little, and structure is simple, for industrial smoke process provides conveniently.
Therefore, this device have that structure is simple, floor space is little, investment and operating cost is low, gas cleaning efficiency is high and product recycling is effective feature.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to enlarged diagram;
Fig. 3 is the cross section enlarged diagram of bar shaped frid (19) in Fig. 1 and Fig. 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, the restriction not to its protection domain.
embodiment 1
A kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.As shown in Figure 1, described device is made up of catalytic reaction absorption tower and electrolysis reactor, and the lower end on catalytic reaction absorption tower is connected with the concentricity line in the upper end of electrolysis reactor for overall.
The structure on catalytic reaction absorption tower is as shown in Figure 1: top cover 29 is fixedly connected with by the concentricity line of flange with tower body 5, and the longitudinal section of top cover 29 is arc-shaped, and the center position of top cover 29 is provided with exhaust outlet 1.
The structure of tower body 5 is as shown in Figure 1: tower body housing 27 is hollow cylinder, and the height of tower body housing 27 and external diameter ratio are 3 ︰ 1 ~ 4 ︰ 1.In tower body housing 27, from upper end to being provided with baffle plate 28, first desulphurization denitration catalyst filling layer 2, upper bearing plate 26, solid C catalyst packing layer 3, middle bearing plate 25, second desulphurization denitration catalyst filling layer 4, lower bearing plate 24, solid-liquid separator 23, flue gas disperser 6 and hydrogen disperser 7 successively near lower end.
Wherein: the distance in the Distance geometry between the distance between baffle plate 28 with upper bearing plate 26, upper bearing plate 26 with middle bearing plate 25 between bearing plate 25 with lower bearing plate 24 is equal, the media-filling rate of the first desulphurization denitration catalyst filling layer 2, solid C catalyst packing layer 3 and the second desulphurization denitration catalyst filling layer 4 is 0.9 ~ 1 times.Solid-liquid separator 23 is inclined-plane setting, and solid-liquid separator 23 is 15 ~ 20 ° with the angle of horizontal plane, and solid-liquid separator 23 is fixedly connected with the inwall of tower body housing 27.The side of tower body housing 27 has solid product outlet 22, and the side of described tower body housing 27 is the side identical with the inclined-plane extreme lower position of solid-liquid separator 23, and solid product outlet 22 is close to the ramp of solid-liquid separator 23.Have smoke air inlet 8 at the opposite side of tower body housing 27, smoke air inlet 8 is between flue gas disperser 6 and hydrogen disperser 7.The upper plane of flue gas disperser 6 to lower bearing plate 24 lower plane between distance be 0.3 ~ 0.4 times of tower body housing 27 internal diameter, the upper plane of hydrogen disperser 7 to flue gas disperser 6 lower plane between distance be 0.2 ~ 0.3 times of tower body housing 27 internal diameter.
The structure of described electrolysis reactor is as shown in Figure 1: electrolysis reactor housing 18 is cylindric, and electrolysis reactor housing 18 external diameter is equal with the external diameter of tower body housing 27, and the height of electrolysis reactor housing 18 and the ratio of external diameter are 1.1 ︰ 1 ~ 1.2 ︰ 1.Electrolysis reactor housing 18 is provided with drainage plate 10 topmost, and drainage plate 10 is inclined-plane setting, and drainage plate 10 is 15 ~ 20 ° with the angle of horizontal plane.Have hydrogen mouth 9 at drainage plate 10, hydrogen mouth 9 is positioned at the highest point on drainage plate 10 inclined-plane.The side of electrolysis reactor housing 18 has product liquid outlet 21 and oxygen discharge 20, the side of described electrolysis reactor housing 18 is the side identical with the inclined-plane extreme lower position of drainage plate 10, product liquid outlet 21 is close to drainage plate 10 ramp, and oxygen discharge 20 is close to drainage plate 10 lower inclined plane.
As shown in Figure 1, be provided with cell reaction room in electrolysis reactor housing 18, cell reaction room is positioned at the bottom of electrolysis reactor housing 18, has inlet 16 between the bottom of electrolysis reactor housing 18 and the bottom of cell reaction room.Cell reaction room is casing shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel has 11 slots equably, and each slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.Be all be embedded with proton membrane 13 in the slot of even number at serial number, serial number is embed positive plate 14 in the slot of 1,5,9, and all the other slots are all embedded with minus plate 12.Have row's aperture between the slot of box bottom and roof box equably, often arranging aperture is 12, and small aperture is 8mm.As depicted in figs. 1 and 2, the upper plane of roof box is fixed with 3 bar shaped frids 19; As shown in Figure 3, time fixing, the notch of each bar shaped frid 19 down, the closed at both ends of described bar shaped frid 19.As depicted in figs. 1 and 2, the pore of minus plate 12 both sides is positioned at the notch of bar shaped frid 19.Communicate between bar shaped frid 19, one end of Hydrogen Line 11 communicates with bar shaped frid 19, and the other end of Hydrogen Line 11 communicates with hydrogen mouth 9.
Described positive plate 14 is connected with the positive pole of battery by positive wire 17, and described minus plate 12 is connected with the negative pole of battery by cathode conductor 15.
The thickness of described baffle plate 28 is 1 ~ 3cm, and the external diameter of baffle plate 28 is equal with the internal diameter of tower body housing 27; Baffle plate 28 has aperture, and the aperture of described aperture is 1 ~ 3mm, and percent opening is 45 ~ 65%; Described baffle plate 28 and upper bearing plate 26, middle bearing plate 25 are identical with lower bearing plate 24.
The filler of described first desulphurization denitration catalyst filling layer 2 is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
The filler of described solid C catalyst packing layer 3 is Cu/Al
2o
3catalyst and CuO/ZnO/Al
2o
3one or both in catalyst, particle diameter is 4 ~ 6mm.
The filler of described second desulphurization denitration catalyst filling layer 4 is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
Described solid-liquid separator 23 is made up of stainless steel coil and filter net cloth, stainless steel coil ovalize, and filter net cloth is fixed on stainless steel coil, and the material of filter net cloth is polypropylene or nylon, and aperture is 0.045 ~ 0.15mm.
The thickness of described flue gas disperser 6 is 5 ~ 15cm, and flue gas disperser 6 has aperture, and the aperture of described aperture is 1 ~ 5mm, and percent opening is 30 ~ 50%.
The thickness of described hydrogen disperser 7 is 5 ~ 15cm, and hydrogen disperser 7 has aperture, and the aperture of described aperture is 3 ~ 5mm, and percent opening is 50 ~ 70%.
The material of described proton membrane 13 is carbon nano-fiber material.
embodiment 2
A kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.Except following technical parameter, all the other are with embodiment 1:
The height of tower body housing 27 and external diameter ratio are 4 ︰ 1 ~ 5 ︰ 1.
The height of electrolysis reactor housing 18 and the ratio of external diameter are 1.2 ︰ 1 ~ 1.3 ︰ 1.
Cell reaction room is casing shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel has 15 slots equably, and each slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.Be all be embedded with proton membrane 13 in the slot of even number at serial number, serial number is embed positive plate (14) in the slot of 1,5,9,13, and all the other slots are all embedded with minus plate 12.Have row's aperture between the slot of box bottom and roof box equably, often arranging aperture is 13 ~ 30, and small aperture is 5 ~ 8mm.The upper plane of roof box is provided with 4 bar shaped frids 19.
embodiment 3
A kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.Except following technical parameter, all the other are with embodiment 2:
Cell reaction room is casing shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel has 19 slots equably, and each slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.Be all be embedded with proton membrane 13 in the slot of even number at serial number, serial number is embed positive plate 14 in the slot of 1,5,9,13,17, and all the other slots are all embedded with minus plate 12.The upper plane of roof box is provided with 5 bar shaped frids 19.
This device can to the SO in mixed flue gas
2, NO
xand CO
2purify, can also to the sulphur in product and methyl alcohol resource recycling.Its concrete steps are as follows:
Step one, by the inlet 16 of this device, first pump in electrolysis reactor by water, the voltage in electrolysis reactor is 2.2V ~ 3.5V, then opens the valve of oxygen discharge 20 and the valve of hydrogen mouth 9.Cell reaction starts, and water, under electric field action, decomposites H
+and OH
-, OH
-o is generated in anode generation oxidation reaction
2, O
2enter into electrolysis reactor housing 18 by the aperture of positive plate 14 both sides from cell reaction room, then discharged by oxygen discharge 20; H
+then move to negative electrode generation reduction reaction by anode through proton membrane 13, be combined with electronics and generate H
2, H
2entered in bar shaped frid 19 by the aperture of minus plate 12 both sides, then enter catalytic reaction absorption tower through Hydrogen Line 11 by hydrogen disperser 7.
Step 2, works as H
2when entering catalytic reaction absorption tower, open the valve of smoke air inlet 8, by the inlet gas concentration of valve regulated flue gas, will send in catalytic reaction absorption tower through the pretreated flue gas of deoxidation.The pretreated flue gas of deoxidation passes through the second desulphurization denitration catalyst filling layer 4, solid C catalyst packing layer 3 and the first desulphurization denitration catalyst filling layer 2 successively after flue gas disperser 6 disperses, it is made fully to contact with the catalyst in each packing layer, carry out desulphurization and denitration and solid carbon reaction, obtain sulphur, nitrogen and methyl alcohol.
Step 3, carries out collection process to the product after gas cleaning.The nitrogen that denitration reaction produces is discharged by exhaust outlet 1; The sulphur that desulphurization reaction generates is trapped on the filter net cloth of solid-liquid separator 23, discharges collection by solid product outlet 22; Gu the methyl alcohol that carbon reaction generates is collected as fuel utilization by product liquid outlet 21.
This detailed description of the invention compared with prior art has following good effect:
1. this device have employed proton membrane water electrolysis hydrogen production technology, can provide sufficient reducibility gas-hydrogen, reduces investment and operating cost.
2. this device is provided with flue gas disperser 6 at smoke air inlet 8, and hydrogen mouth 9 is provided with hydrogen disperser 7, considerably increases the contact area of flue gas and hydrogen and catalyst, and gas cleaning efficiency is high.
3. this device is by using multi-catalyst, at absorption flue gas SO
2, NO
xand CO
2while, flue gas is converted into sulphur and methyl alcohol, transformation efficiency reaches 95%, and product recycling is effective.
4. this device achieves the integrated catalytic absorption reaction of mixed flue gas, and integrate desulphurization and denitration and react with solid carbon, floor space is little, and structure is simple, for industrial smoke process provides conveniently.
Therefore, this device have that structure is simple, floor space is little, investment and operating cost is low, gas cleaning efficiency is high and product recycling is effective feature.
Claims (10)
1. a proton membrane electro-catalysis flue gas desulfurization and denitrification device, is characterized in that described device is made up of catalytic reaction absorption tower and electrolysis reactor, and the lower end on catalytic reaction absorption tower is connected for overall with the concentricity line in the upper end of electrolysis reactor;
The structure on catalytic reaction absorption tower is: top cover (29) is fixedly connected with by the concentricity line of flange with tower body (5), the longitudinal section of top cover (29) is arc-shaped, and the center position of top cover (29) is provided with exhaust outlet (1);
The structure of tower body (5) is: tower body housing (27) is hollow cylinder, and the height of tower body housing (27) and external diameter ratio are 3 ︰ 1 ~ 5 ︰ 1; In tower body housing (27), from upper end to being provided with baffle plate (28), the first desulphurization denitration catalyst filling layer (2), upper bearing plate (26), solid C catalyst packing layer (3), middle bearing plate (25), the second desulphurization denitration catalyst filling layer (4), lower bearing plate (24), solid-liquid separator (23), flue gas disperser (6) and hydrogen disperser (7) successively near lower end;
Wherein: the distance in the distance between baffle plate (28) with upper bearing plate (26), Distance geometry between upper bearing plate (26) with middle bearing plate (25) between bearing plate (25) with lower bearing plate (24) is equal, the media-filling rate of the first desulphurization denitration catalyst filling layer (2), solid C catalyst packing layer (3) and the second desulphurization denitration catalyst filling layer (4) is 0.9 ~ 1 times; Solid-liquid separator (23) is inclined-plane setting, and solid-liquid separator (23) is 15 ~ 20 ° with the angle of horizontal plane, and solid-liquid separator (23) is fixedly connected with the inwall of tower body housing (27); The side of tower body housing (27) has solid product outlet (22), the side of described tower body housing (27) is the side identical with the inclined-plane extreme lower position of solid-liquid separator (23), and solid product outlet (22) is close to the ramp of solid-liquid separator (23); Have smoke air inlet (8) at the opposite side of tower body housing (27), smoke air inlet (8) is positioned between flue gas disperser (6) and hydrogen disperser (7); The upper plane of flue gas disperser (6) to lower bearing plate (24) lower plane between distance be 0.3 ~ 0.4 times of tower body housing (27) internal diameter, the upper plane of hydrogen disperser (7) to flue gas disperser (6) lower plane between distance be 0.2 ~ 0.3 times of tower body housing (27) internal diameter;
The structure of described electrolysis reactor is: electrolysis reactor housing (18) is for cylindric, electrolysis reactor housing (18) external diameter is equal with the external diameter of tower body housing (27), and the height of electrolysis reactor housing (18) and the ratio of external diameter are 1.1 ︰ 1 ~ 1.3 ︰ 1; Electrolysis reactor housing (18) is provided with drainage plate (10) topmost, and drainage plate (10) is inclined-plane setting, and drainage plate (10) is 15 ~ 20 ° with the angle of horizontal plane; Have hydrogen mouth (9) at drainage plate (10), hydrogen mouth (9) is positioned at the highest point on drainage plate (10) inclined-plane; The side of electrolysis reactor housing (18) has product liquid outlet (21) and oxygen discharge (20), the side of described electrolysis reactor housing (18) is the side identical with the inclined-plane extreme lower position of drainage plate (10), product liquid outlet (21) is close to drainage plate (10) ramp, and oxygen discharge (20) is close to drainage plate (10) lower inclined plane;
Electrolysis reactor housing is provided with cell reaction room in (18), cell reaction room is positioned at the bottom of electrolysis reactor housing (18), between the bottom and the bottom of cell reaction room of electrolysis reactor housing (18), have inlet (16); Cell reaction room is casing shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel has 11 or 15 or 19 slots equably, and each slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing; Be all be embedded with proton membrane (13) in the slot of even number at serial number, serial number is embed positive plate (14) in the slot of 1,5,9, or serial number is embed positive plate (14) in the slot of 1,5,9,13, or serial number is embed positive plate (14) in the slot of 1,5,9,13,17, all the other slots are all embedded with minus plate (12); Have row's aperture between the slot of box bottom and roof box equably, often arranging aperture is 12 ~ 30, and small aperture is 5 ~ 8mm; The upper plane of roof box is fixed with 3 ~ 5 bar shaped frids (19), and down, the pore of minus plate (12) both sides is positioned at the notch of bar shaped frid (19) to the notch of each bar shaped frid (19); Bar shaped frid communicates between (19), and one end of Hydrogen Line (11) communicates with bar shaped frid (19), and the other end of Hydrogen Line (11) communicates with hydrogen mouth (9);
Described positive plate (14) is connected with the positive pole of battery by positive wire (17), and described minus plate (12) is connected with the negative pole of battery by cathode conductor (15).
2. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the thickness of described baffle plate (28) is 1 ~ 3cm, and the external diameter of baffle plate (28) is equal with the internal diameter of tower body housing (27); Baffle plate (28) has aperture, and the aperture of described aperture is 1 ~ 3mm, and percent opening is 45 ~ 65%; Described baffle plate (28) and upper bearing plate (26), middle bearing plate (25) are identical with lower bearing plate (24).
3. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the filler of described first desulphurization denitration catalyst filling layer (2) is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
4. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the filler of described solid C catalyst packing layer (3) is Cu/Al
2o
3catalyst and CuO/ZnO/Al
2o
3one or both in catalyst, particle diameter is 4 ~ 6mm.
5. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the filler of described second desulphurization denitration catalyst filling layer (4) is active carbon, Cu/Mg/Al catalyst, CuO/Al
2o
3catalyst and CoMo/Al
2o
3more than one in catalyst, particle diameter is 4 ~ 6mm.
6. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterized in that described solid-liquid separator (23) is made up of stainless steel coil and filter net cloth, stainless steel coil ovalize, filter net cloth is fixed on stainless steel coil, the material of filter net cloth is polypropylene or nylon, and aperture is 0.045 ~ 0.15mm.
7. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, the thickness that it is characterized in that described flue gas disperser (6) is 5 ~ 15cm, flue gas disperser (6) has aperture, and the aperture of described aperture is 1 ~ 5mm, and percent opening is 30 ~ 50%.
8. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, the thickness that it is characterized in that described hydrogen disperser (7) is 5 ~ 15cm, hydrogen disperser (7) has aperture, and the aperture of described aperture is 3 ~ 5mm, and percent opening is 50 ~ 70%.
9. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the material of described proton membrane (13) is carbon nano-fiber material.
10. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, is characterized in that the closed at both ends of described bar shaped frid (19).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289465A (en) * | 2018-09-17 | 2019-02-01 | 中国神华能源股份有限公司 | Oxygen-enriched combusting flue gas concerted catalysis method and device |
| CN109482025A (en) * | 2018-12-18 | 2019-03-19 | 王亚威 | A kind of harmful organic soot processing device of industry |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687637A (en) * | 2005-05-30 | 2005-10-26 | 史汉祥 | Technique of non-pollutant discharge for comprehensive treating coal-burning boiler |
| CN202460474U (en) * | 2012-01-19 | 2012-10-03 | 大连贝斯特环境工程设备有限公司 | Integral desulfurization and denitration complete device by catalytic reduction ammonia method for small and medium boilers |
| CN102884292A (en) * | 2010-04-02 | 2013-01-16 | 俄亥俄州立大学 | Selective catalytic reduction via electrolysis of urea |
| US20140260471A1 (en) * | 2013-03-15 | 2014-09-18 | Three D Stack, LLC | Cleaning stack gas |
| CN104722177A (en) * | 2015-02-04 | 2015-06-24 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide capturing system for concentration conversion and electrolysis regeneration |
| CN205055781U (en) * | 2015-09-14 | 2016-03-02 | 武汉科技大学 | Catalysis flue gas desulfurization denitrification facility is reinforceed to electrochemistry proton membrane |
-
2015
- 2015-09-14 CN CN201510580979.9A patent/CN105107374B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687637A (en) * | 2005-05-30 | 2005-10-26 | 史汉祥 | Technique of non-pollutant discharge for comprehensive treating coal-burning boiler |
| CN102884292A (en) * | 2010-04-02 | 2013-01-16 | 俄亥俄州立大学 | Selective catalytic reduction via electrolysis of urea |
| CN202460474U (en) * | 2012-01-19 | 2012-10-03 | 大连贝斯特环境工程设备有限公司 | Integral desulfurization and denitration complete device by catalytic reduction ammonia method for small and medium boilers |
| US20140260471A1 (en) * | 2013-03-15 | 2014-09-18 | Three D Stack, LLC | Cleaning stack gas |
| CN104722177A (en) * | 2015-02-04 | 2015-06-24 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide capturing system for concentration conversion and electrolysis regeneration |
| CN205055781U (en) * | 2015-09-14 | 2016-03-02 | 武汉科技大学 | Catalysis flue gas desulfurization denitrification facility is reinforceed to electrochemistry proton membrane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289465A (en) * | 2018-09-17 | 2019-02-01 | 中国神华能源股份有限公司 | Oxygen-enriched combusting flue gas concerted catalysis method and device |
| CN109482025A (en) * | 2018-12-18 | 2019-03-19 | 王亚威 | A kind of harmful organic soot processing device of industry |
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| CN105107374B (en) | 2017-03-22 |
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