CN212283446U - A device for removing sulfur dioxide from flue gas using silicon-based mesoporous materials - Google Patents
A device for removing sulfur dioxide from flue gas using silicon-based mesoporous materials Download PDFInfo
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- CN212283446U CN212283446U CN202020795113.6U CN202020795113U CN212283446U CN 212283446 U CN212283446 U CN 212283446U CN 202020795113 U CN202020795113 U CN 202020795113U CN 212283446 U CN212283446 U CN 212283446U
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- Prior art keywords
- flue gas
- purification tank
- main body
- adsorbent
- sulfur dioxide
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- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000003546 flue gas Substances 0.000 title claims abstract description 63
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000013335 mesoporous material Substances 0.000 title claims abstract description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 25
- 239000010703 silicon Substances 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 44
- 239000003463 adsorbent Substances 0.000 claims abstract description 39
- 238000003795 desorption Methods 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 235000010269 sulphur dioxide Nutrition 0.000 description 26
- 238000001179 sorption measurement Methods 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000000377 silicon dioxide Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
本实用新型公开了一种利用硅基介孔材料脱除烟气中二氧化硫的装置，净化罐是由烟气布气室(12)、净化罐主体(7)、出气室(3)自下而上顺序连接构成，烟气布气室(12)上设有烟气进气管(11)，出气室(3)上设有烟气出气管(4)，净化罐内通过竖向隔板(14)分隔出2～5个相互独立的分隔室；在净化罐主体(7)与烟气布气室(12)交接处设置带孔吸附剂承托板(10)，在净化罐主体(7)与出气室(3)交接处设置吸附剂隔离网(5)；在净化罐主体(7)内的分隔室中充填有硅基介孔材料吸附剂(8)。本实用新型采用集中分隔式布置，具有能高温脱吸附二氧化硫、结构紧凑、占地面积小、吸附剂更换方便、效率高的优点。
The utility model discloses a device for removing sulfur dioxide from flue gas by utilizing silicon-based mesoporous materials. A purification tank is composed of a flue gas distribution chamber (12), a purification tank main body (7) and an air outlet chamber (3) from bottom to bottom. The above are connected in sequence, the flue gas distribution chamber (12) is provided with a flue gas intake pipe (11), the gas outlet chamber (3) is provided with a flue gas outlet pipe (4), and a vertical partition (14) passes through the purification tank. ) separates 2 to 5 independent compartments; a perforated adsorbent support plate (10) is arranged at the junction of the purification tank main body (7) and the flue gas distribution chamber (12), and the purification tank main body (7) An adsorbent isolation net (5) is arranged at the junction with the gas outlet chamber (3); a silicon-based mesoporous material adsorbent (8) is filled in the compartment in the purification tank main body (7). The utility model adopts a centralized and separated arrangement, and has the advantages of high temperature desorption of sulfur dioxide, compact structure, small footprint, convenient replacement of adsorbents, and high efficiency.
Description
Technical Field
The utility model relates to a device for removing sulfur dioxide in flue gas.
Background
The flue gas is a complex mixture of gas, gas pollutants and dust, is discharged by burning fuel in an industrial process, and has serious pollution to the atmosphere, threatens the atmospheric environment and harms the health of people. The complex pollution components of the flue gas mainly comprise: particulates, sulfur dioxide, nitrogen oxides, hydrocarbons, etc., wherein the particulates in turn comprise ash, oil droplets, and other pyrolysis products of the fuel. The sulfur dioxide in the flue gas has great harm and can form acid rain, photochemical smog and the like. Has great harm to buildings, historic sites, plants, animals and human beings, and has produced more sulfur dioxide removing devices for treating sulfur dioxide pollution components. More new types of treatment devices are needed to provide further treatment of the sulphur dioxide.
The reported mode of the device for removing sulfur dioxide in flue gas is composed of a plurality of single-chamber adsorption device main bodies, the adsorption device main bodies are connected through pipelines, a formed desorption system has certain integration, but a certain distance still exists between the adsorption device main bodies, and the distance causes the problem of more occupied area. In addition, the filler of the existing adsorption device is generally activated carbon, the high-temperature adsorption capacity of the activated carbon is poor, and the performance of the activated carbon becomes worse after desorption under high humidity and high temperature, so that a silicon-based mesoporous material is provided, and the material has the advantages of high temperature resistance, uniform mesoporous distribution and large specific surface area. And the material has been proved to have better capability of desorbing sulfur dioxide at high temperature.
Disclosure of Invention
The utility model aims at providing a device that can remove sulfur dioxide at high temperature, compact structure, area are little, the adsorbent is changed conveniently, efficient utilize sulfur dioxide in silica-based mesoporous material desorption flue gas that occupies a large area when just solving sulfur dioxide's in the current desorption flue gas device because of a plurality of single-chamber adsorption device main parts use simultaneously, use conventional adsorbent can not high temperature desorption sulfur dioxide and desulfurization effect obvious problem inadequately, and provide one kind.
In order to realize the above object of the utility model, the utility model relates to an utilize sulfur dioxide's in silica-based mesoporous material desorption flue gas device adopts following technical scheme:
the utility model relates to an utilize sulfur dioxide's in silica-based mesoporous material desorption flue gas device contains the purifying tank, the purifying tank is connected the constitution by flue gas cloth air chamber, purifying tank main part, air outlet chamber from bottom to top in proper order, is equipped with the flue gas intake pipe on the flue gas cloth air chamber, is equipped with the flue gas outlet duct on the air outlet chamber. The method is characterized in that: 2-5 mutually independent compartments are separated from the purification tank through vertical partition plates; a porous adsorbent bearing plate for bearing the silicon-based mesoporous material adsorbent is arranged at the joint of the purification tank main body and the flue gas distribution chamber, and the aperture of micropores on the porous adsorbent bearing plate is larger than the particle size of silicon-based mesoporous material adsorbent particles; an adsorbent separation net is arranged at the joint of the purification tank main body and the air outlet chamber; the separation chamber in the purification tank main body is filled with silicon-based mesoporous material adsorbent.
In order to facilitate observation of the adsorption of the silicon-based mesoporous material adsorbent and the purification of sulfur dioxide, the side surfaces of the compartments of the purification tank main body are also provided with adsorbent observation windows, and the adsorbent observation windows are arranged at the upper and lower two stages of the side surfaces of the compartments of the purification tank main body respectively.
In order to conveniently and timely supplement the silicon-based mesoporous material adsorbent or the desorbent to each compartment of the purification tank main body, an adsorbent feeding port and a desorbent feeding port are respectively arranged on the gas outlet chamber.
In order to discharge the silicon-based mesoporous material adsorbent which loses the adsorption and purification functions in time, an adsorbent discharge port is arranged at the bottom side of each compartment of the purification tank main body.
In addition, a desorption agent discharge port is arranged at the bottom of the flue gas distribution chamber so as to discharge desorption agents which are added and used.
Compared with the prior art, the utility model relates to an utilize sulfur dioxide's in silica-based mesoporous material desorption flue gas device to have following beneficial effect after adopting above technical scheme:
(1) the purification tank is formed by sequentially connecting a flue gas distribution chamber, a purification tank main body and a gas outlet chamber from bottom to top, and can effectively reduce the floor area of the flue gas desulfurization adsorption device.
(2) The purification tank is internally provided with a plurality of mutually independent separating chambers separated by vertical clapboards, the use of a single flue gas desulfurization adsorption device main body can be effectively reduced by the separation mode, and the space occupied by a plurality of flue gas desulfurization adsorption device main bodies due to the connection and combination of the outer pipes is also reduced.
(3) The utility model discloses a silica-based mesoporous material has high temperature adsorption capacity and long-term adsorption capacity as adsorbing material, but sulfur dioxide in the high efficiency processing flue gas fast has the desorption process, and the adsorbent is changed conveniently, can increase substantially environmental protection efficiency. The sulfur dioxide eluted by the desorption agent can be recycled, so that the resource utilization of the sulfur dioxide is realized.
Drawings
FIG. 1 is a schematic structural diagram of a device for removing sulfur dioxide from flue gas by using a silicon-based mesoporous material according to the present invention;
FIG. 2 is a sectional view of the purification tank of the present invention in two compartments;
FIG. 3 is a sectional view of the purification tank of the present invention in a three-compartment type;
FIG. 4 is a sectional view of the purifying tank of the present invention in a four-compartment type;
FIG. 5 is a sectional view of the purification tank of the present invention in a five-compartment type.
The reference signs are: 1-adsorbent feed port; 2-desorbent feed inlet; 3-an air outlet chamber; 4-flue gas outlet pipe; 5-an adsorbent separation net; 6-sorbent viewing window; 7-purifying the tank body; 8-silica-based mesoporous material adsorbent; 9-discharge of adsorbent; 10-porous adsorbent bearing plate; 11-a flue gas inlet pipe; 12-a flue gas distribution chamber; 13-desorbent discharge port; 14-vertical partition.
Detailed Description
In order to better describe the present invention, the following device for removing sulfur dioxide in flue gas by using silicon-based mesoporous material of the present invention will be described in further detail with reference to the attached drawings.
The structure schematic diagram of the device for removing sulfur dioxide in flue gas by using silicon-based mesoporous material shown in fig. 1 is combined with fig. 2, fig. 3, fig. 4 and fig. 5, the device for removing sulfur dioxide in flue gas by using silicon-based mesoporous material of the present invention comprises a purification tank, wherein the purification tank is formed by sequentially connecting a flue gas distribution chamber 12, a purification tank main body 7 and a gas outlet chamber 3 from bottom to top, a flue gas inlet pipe 11 is arranged on the flue gas distribution chamber 12, and a desorption agent outlet 13 is arranged at the bottom of the flue gas distribution chamber 12; the gas outlet chamber 3 is respectively provided with a flue gas outlet pipe 4, an adsorbent feeding port 1 and a desorption agent feeding port 2; 2-5 mutually independent compartments are separated from the purification tank through vertical partition plates 14, the side surfaces of each compartment of the purification tank main body 7 are provided with an upper-lower two-stage adsorbent observation window 6, and the bottom side of each compartment of the purification tank main body 7 is provided with an adsorbent discharge port 9; an adsorbent bearing plate 10 with holes is arranged at the joint of the purification tank main body 7 and the flue gas distribution chamber 12, and an adsorbent isolation net 5 is arranged at the joint of the purification tank main body 7 and the gas outlet chamber 3; the separation chamber in the purification tank main body 7 is filled with a silicon-based mesoporous material adsorbent 8.
The utility model discloses an every compartment in the flue gas distribution chamber 12 all communicates with a flue gas intake pipe 11, is equipped with the valve in the flue gas intake pipe 11, all is equipped with a desorption agent feed inlet 2 on every compartment in the venthole 3. The utility model relates to an utilize device of sulfur dioxide in silica-based mesoporous material desorption flue gas's application method does: when one of the compartments in the main body 7 of the purification tank purifies SO2After saturation, the valve on the flue gas inlet pipe 11 communicated with the compartment is closed, and the switch is made to other SO2The gas distribution is carried out on the gas inlet pipe 11 of the compartment which is not saturated; to SO2And a compartment with saturated adsorption is fed with water mist desorbent from the desorbent feed inlet 2 corresponding to the compartment, the silicon-based mesoporous material adsorbent 8 in the compartment in the purification tank main body 7 is gradually washed, the washed and discharged material is discharged from the desorbent discharge outlet 13, and the compartment after the desorption is finished is used for waiting for the next round of adsorption process.
When the device for removing sulfur dioxide in flue gas by using the silicon-based mesoporous material is used, each compartment in the flue gas distribution chamber 12 is communicated with a flue gas inlet pipe 11, a valve is arranged on the flue gas inlet pipe 11, and each compartment in the gas outlet chamber 3 is provided with a desorption agent inlet 2; when one of the compartments in the main body 7 of the purification tank purifies SO2After saturation, the valve on the flue gas inlet pipe 11 communicated with the compartment is closed, and the switch is made to other SO2The gas distribution is carried out on the gas inlet pipe 11 of the compartment which is not saturated; to SO2And a compartment with saturated adsorption is fed with water mist desorbent from the desorbent feed inlet 2 corresponding to the compartment, the silicon-based mesoporous material adsorbent 8 in the compartment in the purification tank main body 7 is gradually washed, the washed and discharged material is discharged from the desorbent discharge outlet 13, and the compartment after the desorption is finished is used for waiting for the next round of adsorption process.
Claims (5)
1. A device for removing sulfur dioxide in flue gas by using a silicon-based mesoporous material comprises a purification tank, wherein the purification tank is formed by sequentially connecting a flue gas distribution chamber (12), a purification tank main body (7) and an air outlet chamber (3) from bottom to top, the flue gas distribution chamber (12) is provided with a flue gas inlet pipe (11), and the air outlet chamber (3) is provided with a flue gas outlet pipe (4); the method is characterized in that: 2-5 mutually independent compartments are separated from the purification tank through vertical partition plates (14); an adsorbent bearing plate (10) with holes is arranged at the joint of the purification tank main body (7) and the flue gas distribution chamber (12), and an adsorbent isolation net (5) is arranged at the joint of the purification tank main body (7) and the gas outlet chamber (3); a partition chamber in the purification tank main body (7) is filled with a silicon-based mesoporous material adsorbent (8).
2. The device for removing sulfur dioxide in flue gas by using the silicon-based mesoporous material as claimed in claim 1, wherein: an adsorbent observation window (6) is provided on the side surface of each compartment of the purification tank main body (7).
3. The device for removing sulfur dioxide in flue gas by using the silicon-based mesoporous material as claimed in claim 1 or 2, wherein: an adsorbent feeding port (1) and a desorption agent feeding port (2) are respectively arranged on the gas outlet chamber (3).
4. The device for removing sulfur dioxide in flue gas by using the silicon-based mesoporous material as claimed in claim 3, wherein: an adsorbent discharge port (9) is provided at the bottom side of each compartment of the purification tank main body (7).
5. The device for removing sulfur dioxide in flue gas by using the silicon-based mesoporous material as claimed in claim 4, wherein: the bottom of the flue gas distribution chamber (12) is provided with a desorption agent outlet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795113.6U CN212283446U (en) | 2020-05-14 | 2020-05-14 | A device for removing sulfur dioxide from flue gas using silicon-based mesoporous materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795113.6U CN212283446U (en) | 2020-05-14 | 2020-05-14 | A device for removing sulfur dioxide from flue gas using silicon-based mesoporous materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212283446U true CN212283446U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020795113.6U Active CN212283446U (en) | 2020-05-14 | 2020-05-14 | A device for removing sulfur dioxide from flue gas using silicon-based mesoporous materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212283446U (en) |
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2020
- 2020-05-14 CN CN202020795113.6U patent/CN212283446U/en active Active
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