CN105107374B - Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis - Google Patents
Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis Download PDFInfo
- Publication number
- CN105107374B CN105107374B CN201510580979.9A CN201510580979A CN105107374B CN 105107374 B CN105107374 B CN 105107374B CN 201510580979 A CN201510580979 A CN 201510580979A CN 105107374 B CN105107374 B CN 105107374B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- plate
- aperture
- tower body
- bearing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
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 engineering device technique field.Specifically related to a kind of proton membrane electro-catalysis flue gas desulfurization takes off
Nitre device.
Background technology
With China's industrialization, the continuous acceleration of urbanization, industry occupies increasing ratio in growth of the national economic
Weight, the mankind also grow with each passing day for the demand of the energy.The consumption of the natural resourcess such as coal, oil, natural gas increasingly increases severely, and causes
Atmospheric pollution.A few days ago, the haze weather that national numerous cities occur, makes the living environment of the mankind face the challenge, in air
Harmful gass have the features such as toxic is strong, diffusion sweep area is wide, control difficulty is big because of which, enjoy the pass of domestic and international all circles
Note.SO2、NOXAnd CO2Deng flue gas as major pollutant, wherein SO2、NOXAcid rain can be formed, photochemistry cigarette can be also formed
The contamination phenomenons such as mist, can not only endanger the respiratory system of people, can also destroy the normal growth of vegetation；And discharge in air
Substantial amounts of CO2, climate change is had a strong impact on, " greenhouse effect " is caused, so how effectively to administer SO2、NOXAnd CO2Etc. having
Evil flue gas has become extremely urgent environmental issue.
At present, for flue gas SOXRemoval mainly use limestone-gypsum method, limestone-gypsum method is in research
With achieve some achievements in environmental protection, but have that device is complicated, investment is big, the higher problem of operating cost, as SO in flue gas2
When fluctuation ratio is larger, limestone amount is difficult to control to, the CaSO of generation3And CaSO4Pipeline and equipment are blocked easily.For flue gas NOX
Removal mainly adopt catalytic reduction method, catalytic reduction method is by the NO in flue gasXThough concentration of emission can be down to reduced levels, disappear
Consume a large amount of NH3, what is had is also consumed by fuel gas, and economic loss is big.Reducing CO2In the method for concentration, the method for reducing of most study
There are thermochemical reduction and photo catalytic reduction etc., wherein thermochemical reduction needs High Temperature High Pressure, and can also during reduction
Produce CO2；Although photo catalytic reduction environmental protection and energy saving, yield are relatively low, speed is slower.
Traditional handicraft is mostly the De-NO_x behind desulfurizer or before the cleaner unit, so as to realize combined desulfurization
There is many drawbacks such as big floor space, investment and operating cost height in denitration, this classification administration way.
The content of the invention
It is contemplated that overcoming prior art defect, it is therefore an objective to provide little a kind of simple structure, floor space, investment and transport
The proton membrane electro-catalysis flue gas desulfurization and denitrification device that row expense is low, gas cleaning efficiency high and product recycling effect are good.
For achieving the above object, the technical solution used in the present invention is：Described device is by catalytic reaction absorption tower and electrolysis
Reactor is constituted, and the lower end on catalytic reaction absorption tower and the upper end of electrolysis reactor are connected as entirety with centrage.
The structure on catalytic reaction absorption tower is：Top cover is fixedly connected with centrage by flange with tower body, and the vertical of top cover cuts
In arc-shaped, the center position of top cover is provided with air vent in face.
The structure of tower body is：Tower body housing is hollow cylinder, and the height and external diameter ratio of tower body housing is 31 ~ 51.
In tower body housing, from upper end to be sequentially provided with the lower end baffle plate, the first desulphurization denitration catalyst filling layer, upper bearing plate,
Carbon sequestration catalyst filling layer, middle bearing plate, the second desulphurization denitration catalyst filling layer, lower bearing plate, solid-liquid separator, flue gas point
Scattered device and hydrogen disperser.
Wherein：Distance between baffle plate and upper bearing plate, the distance between upper bearing plate and middle bearing plate and middle bearing plate are with
Distance between bearing plate is equal；First desulphurization denitration catalyst filling layer, carbon sequestration catalyst filling layer and the second desulphurization denitration are urged
The media-filling rate of agent packing layer is 0.9 ~ 1 times.Solid-liquid separator is arranged for inclined-plane, the angle of solid-liquid separator and horizontal plane
For 15 ~ 20 °, solid-liquid separator is fixedly connected with the inwall of tower body housing.The side of tower body housing is provided with solid product outlet,
The side of the tower body housing is the inclined-plane extreme lower position identical side with solid-liquid separator, and solid product outlet is close to solid
The ramp of liquid/gas separator.Be provided with smoke air inlet in the opposite side of tower body housing, smoke air inlet be located at flue gas disperser and
Between hydrogen disperser.The upper plane of flue gas disperser to lower bearing plate lower plane between distance for tower body housing inner diameter
0.3 ~ 0.4 times, the distance between the lower plane of the upper plane of hydrogen disperser to flue gas disperser for tower body housing inner diameter 0.2 ~
0.3 times.
The structure of the electrolysis reactor is：Electrolysis reactor housing is cylindrical shape, electrolysis reactor housing outer diameter and tower
The external diameter of body housing is equal, and the height of electrolysis reactor housing is 1.1 1 ~ 1.3 1 with the ratio of external diameter.Electrolysis reactor housing is most
Upper end is provided with drainage plate, and drainage plate is arranged for inclined-plane, and drainage plate is 15 ~ 20 ° with the angle of horizontal plane.Hydrogen is provided with drainage plate
Mouthful, hydrogen mouth is located at the highest point on drainage plate inclined-plane.The side of electrolysis reactor housing is provided with product liquid outlet and oxygen
Outlet, the side of the electrolysis reactor housing is the inclined-plane extreme lower position identical side with drainage plate, product liquid row
Drainage plate ramp is close in outlet, and oxygen discharge is close to drainage plate lower inclined plane.
Cell reaction room is provided with electrolysis reactor housing, cell reaction room is located at the bottom of electrolysis reactor housing,
Inlet is provided between the bottom of the bottom and cell reaction room of electrolysis reactor housing.Cell reaction room be case shape, casing
The inwall of top board, box bottom, cabinet front plate and casing back side panel is equably provided with 11 or 15 or 19 slots, each
Slot is in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.In slot of the serial number for even number
Be embedded with proton membrane, serial number be 1,5,9 slot in be embedded in positive plate (14), or be embedded in the slot that serial number is 1,5,9,13
Positive plate is embedded in positive plate (14), or the slot that serial number is 1,5,9,13,17, remaining slot is embedded with minus plate.Casing
A row aperture is provided between the slot of base plate and roof box equably, it is 12 ~ 30 often to arrange aperture, and small aperture is 5 ~ 8mm.Case
The upper plane of body top board is fixed with 3 ~ 5 bar shaped frids, when fixed the notch of each bar shaped frid down, the gas of minus plate both sides
Hole position is in the notch of bar shaped frid.Communicate between bar shaped frid, one end of Hydrogen Line is communicated with bar shaped frid, Hydrogen Line
The other end is communicated with hydrogen mouth.
The positive plate is connected with the positive pole of battery by positive wire, and the minus plate is by cathode conductor and battery
Negative pole connects.
The thickness of the baffle plate is 1 ~ 3cm, and the external diameter of baffle plate is equal with the internal diameter of tower body housing；Baffle plate is provided with aperture, institute
The aperture for stating aperture is 1 ~ 3mm, and percent opening is 45 ~ 65%；The baffle plate is identical with upper bearing plate, middle bearing plate and lower bearing plate.
The filler of the first desulphurization denitration catalyst filling layer is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Urge
Agent and CoMo/Al2O3One or more of catalyst, particle diameter are 4 ~ 6mm.
The filler of the carbon sequestration catalyst filling layer is Cu/Al2O3Catalyst and CuO/ZnO/Al2O3In catalyst one
Plant or two kinds, particle diameter is 4 ~ 6mm.
The filler of the second desulphurization denitration catalyst filling layer is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Urge
Agent and CoMo/Al2O3One or more of catalyst, particle diameter are 4 ~ 6mm.
The solid-liquid separator is made up of stainless steel coil and filter net cloth, and stainless steel coil ovalize, filter net cloth are fixed
On stainless steel coil, the material of filter net cloth is polypropylene or nylon, and aperture is 0.045 ~ 0.15mm.
The thickness of the flue gas disperser is 5 ~ 15cm, and flue gas disperser is provided with aperture, the aperture of the aperture is 1 ~
5mm, percent opening are 30 ~ 50%.
The thickness of the hydrogen disperser is 5 ~ 15cm, and hydrogen disperser is provided with aperture, the aperture of the aperture is 3 ~
5mm, percent opening are 50 ~ 70%.
The material of the proton membrane is carbon nano-fiber material.
The closed at both ends of the bar shaped frid.
This device can be to the SO in mixed flue gas2、NOXAnd CO2Purified, moreover it is possible to the sulfur in product and methanol money
Source recycles.Which comprises the following steps that：
Step one, by the inlet of this device, first pumps into water in electrolysis reactor, and the voltage in electrolysis reactor is
2.2V～3.5V, is then turned on the valve of the valve and hydrogen mouth of oxygen discharge.Cell reaction starts, water under electric field action,
Decomposite H+And OH-, OH-There is oxidation reaction in anode and generate O2, O2Entered from cell reaction room by the aperture of positive plate both sides
Enter to electrolysis reactor housing, then discharged by oxygen discharge；H+Then negative electrode is moved to through proton membrane by anode to occur also
Former reaction, is combined generation H with electronics2, H2Entered in bar shaped frid by the aperture of minus plate both sides, then it is logical through Hydrogen Line
Hydrogen disperser is crossed into catalytic reaction absorption tower.
Step 2, works as H2During into catalytic reaction absorption tower, the valve of smoke air inlet is opened, by valve regulated flue gas
Inlet gas concentration, will send in catalytic reaction absorption tower through the pretreated flue gas of deoxidation.The pretreated flue gas Jing of deoxidation
The second desulphurization denitration catalyst filling layer, carbon sequestration catalyst filling layer and the first desulfurization are passed sequentially through after crossing the dispersion of flue gas disperser
Denitrating catalyst packing layer so as to and the catalyst in each packing layer is fully contacted, and carries out desulphurization and denitration and carbon sequestration reaction,
Obtain sulfur, nitrogen and methanol.
Step 3, is collected process to the product after gas cleaning.The nitrogen that denitration reaction is produced is arranged by air vent
Go out；The sulfur that desulphurization reaction is generated is trapped on the filter net cloth of solid-liquid separator, is discharged by solid product outlet and is collected；Gu
The methanol that carbon reaction is generated is collected by product liquid outlet and is used as fuel utilization.
Due to adopting above-mentioned technical proposal, the present invention to have the positive effect that compared with prior art：
1. this device employs proton membrane water electrolysis hydrogen production technology, can provide the reducibility gas-hydrogen of abundance, reduce
Investment and operating cost.
2. this device is provided with flue gas disperser in smoke air inlet, hydrogen mouth is provided with hydrogen disperser, increases
Flue gas is added with hydrogen and the contact area of catalyst, gas cleaning efficiency high.
3. this device is absorbing flue gas SO by using multi-catalyst2、NOXAnd CO2While, flue gas is converted into
Sulfur and methanol, transformation efficiency reach 95%, and product recycling effect is good.
4. this device realizes the integrated catalytic absorption reaction of mixed flue gas, and collection desulphurization and denitration is one with carbon sequestration reaction
Body, floor space are little, simple structure, and it is convenient to provide for industrial smoke process.
Therefore, this device have little simple structure, floor space, investment and operating cost is low, gas cleaning efficiency high and
The characteristics of product recycling effect is good.
Description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the A-A of Fig. 1 to enlarged diagram；
Fig. 3 is the section enlarged diagram of bar shaped frid (19) in Fig. 1 and Fig. 2.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description, not to its protection domain
Restriction.
Embodiment 1
A kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.As shown in figure 1, described device by catalytic reaction absorption tower and
Electrolysis reactor is constituted, and the lower end on catalytic reaction absorption tower and the upper end of electrolysis reactor are connected as entirety with centrage.
The structure on catalytic reaction absorption tower is as shown in Figure 1：Top cover 29 is fixedly connected with centrage by flange with tower body 5,
In arc-shaped, the center position of top cover 29 is provided with air vent 1 for the longitudinal section of top cover 29.
The structure of tower body 5 is as shown in Figure 1：Tower body housing 27 be hollow cylinder, the height and external diameter ratio of tower body housing 27
For 31 ~ 41.In tower body housing 27, baffle plate 28, first desulphurization denitration catalyst are sequentially provided with lower end from upper end
Packing layer 2, upper bearing plate 26, carbon sequestration catalyst filling layer 3, middle bearing plate 25, the second desulphurization denitration catalyst filling layer 4, under
Bearing plate 24, solid-liquid separator 23, flue gas disperser 6 and hydrogen disperser 7.
Wherein：Distance between baffle plate 28 and upper bearing plate 26, the distance between upper bearing plate 26 and middle bearing plate 25 and in hold
Distance between fishplate bar 25 and lower bearing plate 24 is equal, the first desulphurization denitration catalyst filling layer 2,3 and of carbon sequestration catalyst filling layer
The media-filling rate of the second desulphurization denitration catalyst filling layer 4 is 0.9 ~ 1 times.Solid-liquid separator 23 is arranged for inclined-plane, solid-liquid point
Angle from device 23 and horizontal plane is 15 ~ 20 °, and solid-liquid separator 23 is fixedly connected with the inwall of tower body housing 27.Tower body housing
27 side is provided with solid product outlet 22, and the side of the tower body housing 27 is the inclined-plane lowest order with solid-liquid separator 23
Identical side is put, solid product outlet 22 is close to the ramp of solid-liquid separator 23.Open in the opposite side of tower body housing 27
There is smoke air inlet 8, smoke air inlet 8 is located 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 27 internal diameter of tower body housing, the upper plane of hydrogen disperser 7 is arrived
0.2 ~ 0.3 times for 27 internal diameter of tower body housing of distance between the lower plane of flue gas disperser 6.
The structure of the electrolysis reactor is as shown in Figure 1：Electrolysis reactor housing 18 is cylindrical shape, electrolysis reactor housing
18 external diameters are equal with the external diameter of tower body housing 27, and the height of electrolysis reactor housing 18 is 1.1 1 ~ 1.2 1 with the ratio of external diameter.Electricity
18 the top of solution reactor shell is provided with drainage plate 10, and drainage plate 10 is arranged for inclined-plane, and drainage plate 10 with the angle of horizontal plane is
15~20°.Hydrogen mouth 9 is provided with drainage plate 10, hydrogen mouth 9 is located at the highest point on 10 inclined-plane of drainage plate.Electrolysis reactor housing 18
Side be provided with product liquid outlet 21 and oxygen discharge 20, the side of the electrolysis reactor housing 18 is and drainage plate
10 ramp of drainage plate is close in 10 inclined-plane extreme lower position identical side, product liquid outlet 21, and oxygen discharge 20 is tight
Patch 10 lower inclined plane of drainage plate.
As shown in figure 1, cell reaction room is provided with electrolysis reactor housing 18, cell reaction room is located at electrolysis reactor shell
The bottom of body 18, is provided with inlet 16 between the bottom of the bottom of electrolysis reactor housing 18 and cell reaction room.Electrolysis is anti-
Room is answered for case shape, the inwall of roof box, box bottom, cabinet front plate and casing back side panel is equably provided with 11 and inserts
Groove, each slot are in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing.In serial number inserting for even number
Be embedded with proton membrane 13 in groove, serial number be 1,5,9 slot in be embedded in positive plate 14, remaining slot is embedded with minus plate 12.
A row aperture is provided between the slot of box bottom and roof box equably, it is 12 often to arrange aperture, and small aperture is 8mm.Such as
Shown in Fig. 1 and Fig. 2, the upper plane of roof box is fixed with 3 bar shaped frids 19；As shown in figure 3, each bar shaped frid when fixed
19 notch down, the closed at both ends of the bar shaped frid 19.As depicted in figs. 1 and 2, the pore of 12 both sides of minus plate is located at bar
In the notch of shape frid 19.Communicate between bar shaped frid 19, one end of Hydrogen Line 11 is communicated with bar shaped frid 19, Hydrogen Line 11
The other end communicate with hydrogen mouth 9.
The positive plate 14 is connected with the positive pole of battery by positive wire 17, and the minus plate 12 passes through cathode conductor 15
It is connected with the negative pole of battery.
The thickness of the 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 is provided with
Aperture, the aperture of the aperture is 1 ~ 3mm, and percent opening is 45 ~ 65%；The baffle plate 28 and upper bearing plate 26, middle bearing plate 25 and
Lower bearing plate 24 is identical.
The filler of the first desulphurization denitration catalyst filling layer 2 is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Urge
Agent and CoMo/Al2O3One or more of catalyst, particle diameter are 4 ~ 6mm.
The filler of the carbon sequestration catalyst filling layer 3 is Cu/Al2O3Catalyst and CuO/ZnO/Al2O3In catalyst one
Plant or two kinds, particle diameter is 4 ~ 6mm.
The filler of the second desulphurization denitration catalyst filling layer 4 is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Urge
Agent and CoMo/Al2O3One or more of catalyst, particle diameter are 4 ~ 6mm.
The solid-liquid separator 23 is made up of stainless steel coil and filter net cloth, and stainless steel coil ovalize, filter net cloth are solid
It is scheduled on stainless steel coil, the material of filter net cloth is polypropylene or nylon, and aperture is 0.045 ~ 0.15mm.
The thickness of the flue gas disperser 6 is 5 ~ 15cm, and flue gas disperser 6 is provided with aperture, the aperture of the aperture is 1 ~
5mm, percent opening are 30 ~ 50%.
The thickness of the hydrogen disperser 7 is 5 ~ 15cm, and hydrogen disperser 7 is provided with aperture, the aperture of the aperture is 3 ~
5mm, percent opening are 50 ~ 70%.
The material of the proton membrane 13 is carbon nano-fiber material.
Embodiment 2
A kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device.In addition to following technical parameters, remaining is with embodiment 1：
The height and external diameter ratio of tower body housing 27 is 41 ~ 51.
The height of electrolysis reactor housing 18 is 1.2 1 ~ 1.3 1 with the ratio of external diameter.
Cell reaction room is case shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel is uniform
Be provided with 15 slots, each slot is in " mouth " shape, and the plane that each slot is located is parallel with the left plate of casing.In order
Number to be embedded with proton membrane 13 in the slot of even number, serial number be 1,5,9,13 slot in be embedded in positive plate (14), remaining is inserted
Groove is embedded with minus plate 12.A row aperture is provided between the slot of box bottom and roof box equably, it is 13 ~ 30 often to arrange aperture
Individual, 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.In addition to following technical parameters, remaining is with embodiment 2：
Cell reaction room is case shape, and the inwall of roof box, box bottom, cabinet front plate and casing back side panel is uniform
Be provided with 19 slots, each slot is in " mouth " shape, and the plane that each slot is located is parallel with the left plate of casing.In order
Number to be embedded with proton membrane 13 in the slot of even number, serial number be 1,5,9,13,17 slot in be embedded in positive plate 14, remaining is inserted
Groove is embedded with minus plate 12.The upper plane of roof box is provided with 5 bar shaped frids 19.
This device can be to the SO in mixed flue gas2、NOXAnd CO2Purified, moreover it is possible to the sulfur in product and methanol money
Source recycles.Which comprises the following steps that：
Step one, by the inlet 16 of this device, first pumps into water in electrolysis reactor, the voltage in electrolysis reactor
For 2.2V～3.5V, the valve of the valve and hydrogen mouth 9 of oxygen discharge 20 is then turned on.Cell reaction starts, and water is made in electric field
With under, H is decomposited+And OH-, OH-There is oxidation reaction in anode and generate O2, O2It is anti-from electrolysis by the aperture of 14 both sides of positive plate
Answer room to enter into electrolysis reactor housing 18, then discharged by oxygen discharge 20；H+Then migrated through proton membrane 13 by anode
There is reduction reaction to negative electrode, generation H is combined with electronics2, H2Entered in bar shaped frid 19 by the aperture of 12 both sides of minus plate,
Catalytic reaction absorption tower is entered by hydrogen disperser 7 through Hydrogen Line 11 again.
Step 2, works as H2During into catalytic reaction absorption tower, the valve of smoke air inlet 8 is opened, by valve regulated cigarette
The inlet gas concentration of gas, will send in catalytic reaction absorption tower through the pretreated flue gas of deoxidation.The pretreated flue gas of deoxidation
The second desulphurization denitration catalyst filling layer 4, carbon sequestration catalyst filling layer 3 and the are passed sequentially through after flue gas disperser 6 disperses
One desulphurization denitration catalyst filling layer 2 so as to and the catalyst in each packing layer is fully contacted, and carries out desulphurization and denitration and consolidates
Carbon reacts, and obtains sulfur, nitrogen and methanol.
Step 3, is collected process to the product after gas cleaning.The nitrogen that denitration reaction is produced passes through 1 row of air vent
Go out；The sulfur that desulphurization reaction is generated is trapped on the filter net cloth of solid-liquid separator 23, discharges receipts by solid product outlet 22
Collection；The methanol that carbon sequestration reaction is generated is collected by product liquid outlet 21 and is used as fuel utilization.
This specific embodiment is had the positive effect that compared with prior art：
1. this device employs proton membrane water electrolysis hydrogen production technology, can provide the reducibility gas-hydrogen of abundance, reduce
Investment and operating cost.
2. this device is provided with flue gas disperser 6 in smoke air inlet 8, hydrogen mouth 9 is provided with hydrogen disperser 7, greatly
Flue gas be increased greatly with hydrogen and the contact area of catalyst, gas cleaning efficiency high.
3. this device is absorbing flue gas SO by using multi-catalyst2、NOXAnd CO2While, flue gas is converted into
Sulfur and methanol, transformation efficiency reach 95%, and product recycling effect is good.
4. this device realizes the integrated catalytic absorption reaction of mixed flue gas, and collection desulphurization and denitration is one with carbon sequestration reaction
Body, floor space are little, simple structure, and it is convenient to provide for industrial smoke process.
Therefore, this device have little simple structure, floor space, investment and operating cost is low, gas cleaning efficiency high and
The characteristics of product recycling effect is good.
Claims (10)
1. a kind of proton membrane electro-catalysis flue gas desulfurization and denitrification device, it is characterised in that described device is by catalytic reaction absorption tower and electricity
Solution reactor composition, the lower end on catalytic reaction absorption tower and the upper end of electrolysis reactor are connected as entirety with centrage；
The structure on catalytic reaction absorption tower is：Top cover (29) is fixedly connected with centrage by flange with tower body (5), top cover (29)
Longitudinal section be in arc-shaped, the center position of top cover (29) is provided with air vent (1)；
The structure of tower body (5) is：Tower body housing (27) is hollow cylinder, and the height and external diameter ratio of tower body housing (27) are 31
～51；In tower body housing (27), baffle plate (28), first desulphurization denitration catalyst are sequentially provided with lower end from upper end
Packing layer (2), upper bearing plate (26), carbon sequestration catalyst filling layer (3), middle bearing plate (25), the second desulphurization denitration catalyst are filled out
The bed of material (4), lower bearing plate (24), solid-liquid separator (23), flue gas disperser (6) and hydrogen disperser (7)；
Wherein：Distance between the distance, upper bearing plate (26) between baffle plate (28) and upper bearing plate (26) and middle bearing plate (25) and
Distance between middle bearing plate (25) and lower bearing plate (24) is equal, the first desulphurization denitration catalyst filling layer (2), carbon sequestration catalyst
The media-filling rate of packing layer (3) and the second desulphurization denitration catalyst filling layer (4) is 0.9～1；Solid-liquid separator (23) is oblique
Face is arranged, and solid-liquid separator (23) is 15～20 ° with the angle of horizontal plane, and solid-liquid separator (23) is interior with tower body housing (27)
Wall is fixedly connected；The side of tower body housing (27) is provided with solid product outlet (22), and the side of the tower body housing (27) is
With the inclined-plane extreme lower position identical side of solid-liquid separator (23), solid product outlet (22) is close to solid-liquid separator (23)
Ramp；Smoke air inlet (8) is provided with the opposite side of tower body housing (27), smoke air inlet (8) is positioned at flue gas disperser
(6) and hydrogen disperser (7) between；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, between the lower plane of the upper plane of hydrogen disperser (7) to flue gas disperser (6)
0.2～0.3 times for tower body housing (27) internal diameter of distance；
The structure of the electrolysis reactor is：Electrolysis reactor housing (18) is cylindrical shape, electrolysis reactor housing (18) external diameter
Equal with the external diameter of tower body housing (27), the height of electrolysis reactor housing (18) is 1.1 1～1.3 1 with the ratio of external diameter；Electricity
Solution reactor shell (18) is topmost provided with drainage plate (10), and drainage plate (10) is inclined-plane setting, drainage plate (10) and horizontal plane
Angle be 15～20 °；Hydrogen mouth (9), highest of the hydrogen mouth (9) positioned at drainage plate (10) inclined-plane are provided with drainage plate (10)
Place；The side of electrolysis reactor housing (18) is provided with product liquid outlet (21) and oxygen discharge (20), and the electrolysis is anti-
The side for answering device housing (18) is the inclined-plane extreme lower position identical side with drainage plate (10), and product liquid outlet (21) is tightly
Patch drainage plate (10) ramp, oxygen discharge (20) are close to drainage plate (10) lower inclined plane；
Cell reaction room is provided with electrolysis reactor housing (18), cell reaction room is located under electrolysis reactor housing (18)
Portion, is provided with inlet (16) between the bottom of the bottom and cell reaction room of electrolysis reactor housing (18)；Cell reaction room
For case shape, the inwall of roof box, box bottom, cabinet front plate and casing back side panel be equably provided with 11 or 15 or
19 slots, each slot are in " mouth " shape, and the plane at each slot place is parallel with the left plate of casing；It is even in serial number
Be embedded with proton membrane (13) in several slots, serial number be 1,5,9 slot in be embedded in positive plate (14), or serial number be 1,5,
9th, positive plate (14) is embedded in 13 slot, or in the slot that serial number is 1,5,9,13,17, is embedded in positive plate (14), remaining is inserted
Groove is embedded with minus plate (12)；A row aperture is provided between the slot of box bottom and roof box equably, it is 12 often to arrange aperture
～30, small aperture is 5～8mm；The upper plane of roof box is fixed with 3～5 bar shaped frids (19), each bar shaped frid
(19) down, the pore of minus plate (12) both sides is located in the notch of bar shaped frid (19) notch；Phase between bar shaped frid (19)
Logical, one end of Hydrogen Line (11) is communicated with bar shaped frid (19), and the other end of Hydrogen Line (11) is communicated with hydrogen mouth (9)；
The positive plate (14) is connected with the positive pole of battery by positive wire (17), and the minus plate (12) is by cathode conductor
(15) it is connected with the negative pole of battery.
2. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that the baffle plate (28)
Thickness be 1～3cm, the external diameter of baffle plate (28) is equal with the internal diameter of tower body housing (27)；Baffle plate (28) is provided with aperture, described little
The aperture in hole is 1～3mm, and percent opening is 45～65%；The baffle plate (28) and upper bearing plate (26), middle bearing plate (25) and under
Bearing plate (24) is identical.
3. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that first desulfurization
The filler of denitrating catalyst packing layer (2) is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Catalyst and CoMo/Al2O3Urge
One or more of agent, particle diameter are 4～6mm.
4. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that the carbon sequestration catalysis
The filler of agent packing layer (3) is Cu/Al2O3Catalyst and CuO/ZnO/Al2O3One or two in catalyst, particle diameter is 4～
6mm。
5. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that second desulfurization
The filler of denitrating catalyst packing layer (4) is activated carbon, Cu/Mg/Al catalyst, CuO/Al2O3Catalyst and CoMo/Al2O3Urge
One or more of agent, particle diameter are 4～6mm.
6. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that the solid-liquid separation
Device (23) is made up of stainless steel coil and filter net cloth, and stainless steel coil ovalize, filter net cloth are fixed on stainless steel coil, is filtered
The material of screen 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, it is characterised in that the flue gas dispersion
The thickness of device (6) is 5～15cm, and flue gas disperser (6) is provided with aperture, and the aperture of the 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, it is characterised in that the hydrogen dispersion
The thickness of device (7) is 5～15cm, and hydrogen disperser (7) is provided with aperture, and the aperture of the 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, it is characterised in that the proton membrane
(13) material is carbon nano-fiber material.
10. proton membrane electro-catalysis flue gas desulfurization and denitrification device according to claim 1, it is characterised in that the bar shaped frid
(19) closed at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580979.9A CN105107374B (en) | 2015-09-14 | 2015-09-14 | Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580979.9A CN105107374B (en) | 2015-09-14 | 2015-09-14 | Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105107374A CN105107374A (en) | 2015-12-02 |
| CN105107374B true CN105107374B (en) | 2017-03-22 |
Family
ID=54655617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510580979.9A Expired - Fee Related CN105107374B (en) | 2015-09-14 | 2015-09-14 | Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105107374B (en) |
Families Citing this family (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 (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8821818B1 (en) * | 2013-03-15 | 2014-09-02 | Three D Stack, LLC | Cleaning stack gas |
-
2015
- 2015-09-14 CN CN201510580979.9A patent/CN105107374B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105107374A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201978670U (en) | Gas purifying device | |
| CN105107374B (en) | Flue gas desulfurization and denitration device utilizing proton membrane electrocatalysis | |
| CN102010768A (en) | Biogas anaerobe desulfuration device and method thereof | |
| CN205055781U (en) | Catalysis flue gas desulfurization denitrification facility is reinforceed to electrochemistry proton membrane | |
| CN103611416A (en) | Deodorization device for absorbing composite alkali liquor of reciprocating type biomass filtering bed | |
| CN201778014U (en) | Integrated safe biological methane desulfurization zone | |
| CN201744303U (en) | Biofiltration device used for waste gas treatment | |
| CN101804294A (en) | Method and device for treating pollutant and dust in gas | |
| CN204841388U (en) | Box VOC decomposes compound purification unit | |
| CN102295968A (en) | High value utilization method of carbon dioxide in biogas | |
| CN204447762U (en) | The absorption tower that a kind of reduction efficiency is high | |
| CN103205770A (en) | Device for absorbing and concentrating carbon dioxide containing exhaust gas and method thereof | |
| CN202061547U (en) | UV (ultraviolet) photolysis purifying equipment for high-concentration foul waste gas in oilfields | |
| CN2612886Y (en) | Air-purifying facility for oxygen bar | |
| CN201930698U (en) | Absorption liquid distributor of desulfurizing tower | |
| CN114504941A (en) | Biological filtration, washing and adsorption composite deodorization equipment for sewage treatment plant | |
| ITRM20130367A1 (en) | GROUP FOR THE PRODUCTION OF GAS METHANE ISSUED BY THE SOIL | |
| CN107890758A (en) | A kind of outer circulation type electrochemistry sewage treatment plant deodoration system and method | |
| CN204073841U (en) | A kind of biological deodorizing filter tank biochemical reaction filter | |
| CN210620387U (en) | Double-effect nitrogen and phosphorus removal device | |
| CN203694875U (en) | Radial cross-flow moving-bed reactor for removal of hydrogen sulfide by temperature swing adsorption | |
| CN202020989U (en) | Exhaust gas adsorption device for biological filter pool | |
| CN106268286B (en) | Gaseous biofiltration processing system of municipal refuse landfill | |
| CN201560244U (en) | Device for recovering the oxygen of inert anode aluminum cell | |
| CN201313027Y (en) | A hood-type desulfurization tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170914 |