CN212523655U - Semidry flue gas desulfurization system - Google Patents
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- CN212523655U CN212523655U CN202020313408.5U CN202020313408U CN212523655U CN 212523655 U CN212523655 U CN 212523655U CN 202020313408 U CN202020313408 U CN 202020313408U CN 212523655 U CN212523655 U CN 212523655U
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 130
- 230000023556 desulfurization Effects 0.000 title claims abstract description 130
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000003546 flue gas Substances 0.000 title claims abstract description 84
- 239000000428 dust Substances 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000004087 circulation Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 abstract description 5
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a semidry flue gas desulfurization system, which comprises a desulfurizer circulating unit, a desulfurization unit and a dust removal unit; in a desulfurization reactor of a desulfurization unit, the flue gas quantity at a flue gas inlet and the desulfurization agent quantity at a desulfurizer inlet are regulated and controlled, so that the flue gas and the desulfurizer flow directionally to a guide area (from bottom to top) along an annular space area (from top to bottom) all the time in the desulfurization reactor, multiple circulations are formed, the full mixing and mass transfer of the flue gas and the desulfurizer are effectively ensured, meanwhile, the retention time of the flue gas and the desulfurizer is prolonged, the use efficiency of the desulfurizer is improved, the loss of the desulfurizer is reduced, the desulfurization efficiency is improved, and the effective guarantee is provided for the subsequent flue gas denitration treatment. The utility model has the characteristics of simple, the convenient operation of process flow, with low costs, strong adaptability, the easy scale that realizes.
Description
Technical Field
The utility model relates to a flue gas treatment field, concretely relates to semidry flue gas desulfurization system.
Background
Dust and SO are discharged in the combustion process of a Circulating Fluidized Bed (CFB) boiler of a thermal power plantX、NOXToxic and harmful gases, heavy metals and the like, which cause great harm to the environment. The flue gas desulfurization and denitration process technology is directly related to the realization of the energy-saving and environment-friendly target of an ignition power plant. At present, the flue gas desulfurization technology of a thermal power plant mainly comprises a wet method, a dry method and a semi-dry method. Wherein, the wet desulphurization efficiency is high, the desulphurization reaction speed is high, but the problems of serious equipment corrosion, high maintenance cost, secondary pollution and the like exist; although the dry method has no wastewater treatment, the equipment cannot be corroded, but the desulfurization efficiency is 70-80%; the semi-dry method adopts a dry injection method to send the desulfurizer into a combustion furnace, and then sprays water to the discharged smoke for secondary wet treatment. Therefore, compared with wet and dry desulfurization, the semi-dry desulfurization method has higher desulfurization efficiency and does not generate wastewater, and is widely adopted.
Chinese patent publication No. CN110508123A discloses a biomass boiler semi-dry desulfurization dust removal device, which is characterized in that a reducing flue is arranged on a flue behind a biomass boiler, and humidified flue gas is fully mixed with a desulfurizing agent in the reducing flue, so that SOx in the flue gas is absorbed by the desulfurizing agent. The method has the disadvantages that the desulfurizer in the reducing flue is not uniformly mixed with the flue gas, the residence time of the desulfurizer and the flue gas in the equipment is short, the loss of the desulfurizer is large, and the desulfurization efficiency of the equipment is reduced.
Chinese patent publication No. CN110508124A discloses a high-concentration industrial flue gas semidry purification treatment system and a process method thereof, wherein a gas gathering ring piece, a dispersion disc, a first flow equalizing cover and a second flow equalizing cover are arranged in a desulfurization reaction cavity, so that the flue gas and a desulfurizer are mixed for many times. The gas-gathering ring piece, the dispersion disc, the first flow equalizing cover and the second flow equalizing cover can increase the mixing of the flue gas and the desulfurizer to a certain extent, but the contact efficiency of the flue gas and the desulfurizer is not fundamentally improved, so that the desulfurizer is not fully utilized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a desulfurizer availability factor height, desulfurizer loss low, the simple semidry flue gas desulfurization system of process flow to solve gaseous phase and granule looks, both of flue gas and desulfurizer mix inhomogeneous promptly, both contact efficiency of flue gas and desulfurizer are low, and the flue gas dwell time is short in desulfurization reactor, and the mass transfer is insufficient between flue gas and desulfurizer, the desulfurizer loss is big, the problem of desulfurization efficiency low.
The utility model provides a technical scheme that above-mentioned problem adopted is: a semidry flue gas desulfurization system is characterized by comprising a desulfurizer circulating unit, a desulfurization unit and a dust removal unit; the outlet end of the desulfurizer circulating unit is connected with the bottom inlet end of the desulfurization unit, the inlet end of the desulfurizer circulating unit is connected with the bottom outlet end of the desulfurization unit, and the top outlet end of the desulfurization unit is communicated with the inlet end of the dust removal unit.
The desulfurizer circulating unit comprises a desulfurizer bin, a bin pump a, a desulfurizer inlet, a desulfurization dust remover, a bin pump b and a dust-containing desulfurizer outlet; the input end of the desulfurization dust remover is the inlet end of the desulfurizer circulation unit and is connected with the output end of the dust-containing desulfurizer outlet, the output end of the desulfurization dust remover is connected with the input end of the desulfurizer bin, and the output end of the desulfurization dust remover is connected with the input end of the bin pump b;
further, the desulfurizer bin is used for storing desulfurizer;
further, the bin pump a is used for conveying the desulfurizer in the desulfurizer bin to the input end of the desulfurizer inlet and then conveying the desulfurizer to the flow guide area in the desulfurization reactor;
further, the desulfurization dust remover is used for removing dust in a dust-containing desulfurizer;
further, the bin pump b is used for conveying the desulfurizer in the desulfurization dust remover to the desulfurizer bin.
The desulfurization unit comprises a process water inlet, a flue gas inlet and a desulfurization reactor; the output end of the desulfurization reactor is the top outlet end of the desulfurization unit; the flue gas inlet is communicated with the inside of the desulfurization reactor, arranged on two sides of the outer wall of the desulfurization reactor and close to the bottom of the desulfurization reactor; the process water inlet is connected to the upper wall surface and the lower wall surface of the flue gas inlet and is communicated with the flue gas inlet; the axial included angle between the flue gas inlet and the desulfurization reactor is 30-60 degrees; a guide cylinder is arranged in the desulfurization reactor, and the guide cylinder and the desulfurization reactor are coaxially arranged; the inner area of the guide shell is a guide area, and the area between the guide shell and the desulfurization reactor is an annular space area; the desulfurizer inlet is positioned right below the flow guide area and communicated with the bottom of the desulfurization reactor, and the dust-containing desulfurizer outlet is positioned right below the annular space area and communicated with the bottom of the desulfurization reactor;
furthermore, the medium output by the process water inlet is process water and compressed air, and is used for increasing the humidity of the flue gas from the flue gas inlet, so that the activation effect of the desulfurizer is improved;
furthermore, the guide cylinder in the desulfurization reactor divides the desulfurization reactor into a guide flow area and an annular space area, so that the flue gas and the desulfurizer flow circularly in the desulfurization reactor in an oriented manner and form multiple circular flows, the gas-solid flow environment is improved, the mixing and mass transfer of the flue gas and the desulfurizer and the retention time of the flue gas and the desulfurizer in the desulfurization reactor are increased, and the use efficiency of the desulfurizer is improved;
further, the diameter of the guide shell is 0.3-0.8 times of the diameter of the desulfurization reactor.
The dust removal unit comprises a primary separator, a bag-type dust remover, a chimney and an ash bucket; the input end of the primary separator is connected with the top outlet end of the desulfurization unit, the input end of the bag-type dust remover is connected with the top output end of the primary separator, the bottom output ends of the primary separator and the bag-type dust remover are connected with the top input end of the ash bucket, and the top output end of the bag-type dust remover is connected with the input end of the chimney.
Further, the primary separator can be a cyclone dust collector and is used for preliminarily filtering the desulfurized flue gas and then feeding the flue gas into a bag-type dust collector;
further, the bag-type dust collector is used for further filtering dust in the flue gas;
further, the ash hopper is used for collecting fly ash discharged from the bottoms of the primary separator and the bag-type dust collector;
furthermore, the chimney is used for collecting clean flue gas discharged from the top of the bag-type dust collector.
Compared with the prior art, the utility model, have following advantage and effect:
the utility model discloses a set up the draft tube in desulfurization reactor, form diversion district and annular space district, through the flue gas volume of regulation and control flue gas import department and the desulfurization dosage of desulfurizer import department, make flue gas and desulfurizer follow annular space district (from the top down) all the time in desulfurization reactor and flow to the direction of diversion district (from the bottom up) orientation, and form circulation many times, thereby improve the gas-solid environment that flows, increase gas-solid contact efficiency, improve the availability factor of desulfurizer, reduce the loss of desulfurizer, increase desulfurization efficiency.
The utility model discloses simple process structure, equipment layout are compact, take up an area of for a short time, the energy consumption is low, do not produce waste water waste liquid, and it is low to handle back flue gas moisture content, does not have secondary pollution, and the desulfurizer availability factor is high, and the desulfurizer loss is low.
The utility model discloses can be applied to trades such as electric power, steel and iron, glass, coking, metallurgy, printing and dyeing, weaving.
Drawings
Fig. 1 is a schematic structural diagram of a semidry flue gas desulfurization system in the embodiment of the present invention.
In the figure: the system comprises a desulfurizer circulating unit 1, a desulfurization unit 2, a dust removal unit 3, a desulfurizer bin 4, a bin pump a5, a desulfurizer inlet 6, a desulfurization dust remover 7, a bin pump b8, a dust-containing desulfurizer outlet 9, a process water inlet 10, a flue gas inlet 11, a desulfurization reactor 12, a guide cylinder 13, a guide flow area 14, an annular space area 15, a primary separator 16, a bag-type dust remover 17, a chimney 18 and an ash bucket 19.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, in the present embodiment, a semidry flue gas desulfurization system includes a desulfurizer circulation unit 1, a desulfurization unit 2, and a dust removal unit 3; the outlet end of the desulfurizer circulation unit 1 is connected with the bottom inlet end of the desulfurization unit 2, the inlet end of the desulfurizer circulation unit 1 is connected with the bottom outlet end of the desulfurization unit 2, and the top outlet end of the desulfurization unit 2 is communicated with the inlet end of the dust removal unit 3.
The desulfurizer circulating unit 1 comprises a desulfurizer bin 4, a bin pump a5, a desulfurizer inlet 6, a desulfurization dust remover 7, a bin pump b8 and a dust-containing desulfurizer outlet 9; the desulfurization unit 2 comprises a process water inlet 10, a flue gas inlet 11 and a desulfurization reactor 12; the dust removal unit 3 comprises a primary separator 16, a bag-type dust remover 17, a chimney 18 and an ash bucket 19;
specifically, the desulfurizer inlet 6 is a bottom inlet end of the desulfurization unit 2, the dust-containing desulfurizer outlet 9 is a bottom outlet end of the desulfurization unit 2, an input end of a bin pump a5 is connected with an output end of a desulfurizer bin 4, an output end of a bin pump a5 is an outlet end of the desulfurizer circulation unit 1 and is connected with an input end of the desulfurizer inlet 6, the desulfurizer bin 4 is used for storing a desulfurizer, and the bin pump a5 is used for conveying the desulfurizer in the desulfurizer bin 4 to the input end of the desulfurizer inlet 6 and then to the flow guide region 14 in the desulfurization reactor 12;
specifically, the input end of the desulfurization dust remover 7 is the inlet end of the desulfurizer circulation unit 1 and is connected with the output end of the dust-containing desulfurizer outlet 9, the output end of the desulfurization dust remover 7 is connected with the input end of a bin pump b8, the output end of a bin pump b8 is connected with the input end of the desulfurizer bin 4, the desulfurization dust remover 7 is used for removing dust in the dust-containing desulfurizer, and the bin pump b8 is used for conveying the desulfurizer in the desulfurization dust remover 7 to the desulfurizer bin 4;
specifically, the output end of the desulfurization reactor 12 is the top outlet end of the desulfurization unit 2; the flue gas inlet 11 is communicated with the inside of the desulfurization reactor 12, is arranged on two sides of the outer wall of the desulfurization reactor 12 and is close to the bottom of the desulfurization reactor 12; the axial included angle between the flue gas inlet 11 and the desulfurization reactor 12 is 30-60 degrees; the process water inlet 10 is connected with the upper wall surface and the lower wall surface of the flue gas inlet 11 and is communicated with the flue gas inlet 11; a guide cylinder 13 is arranged in the desulfurization reactor 12, and the guide cylinder 13 and the desulfurization reactor 12 are coaxially arranged; the inner area of the guide shell 13 is a guide area 14, and the area between the guide shell 13 and the desulfurization reactor 12 is an annular space area 15; the desulfurizer inlet 6 is positioned right below the diversion area 14 and communicated with the bottom of the desulfurization reactor 12, and the dust-containing desulfurizer outlet 9 is positioned right below the annular space area 15 and communicated with the bottom of the desulfurization reactor 12;
specifically, the medium output from the process water inlet 10 is process water and compressed air, and is used for increasing the humidity of the flue gas from the flue gas inlet 11, so that the activation effect of the desulfurizer is improved; the guide cylinder 13 in the desulfurization reactor 12 divides the desulfurization reactor 12 into a guide flow area 14 and an annular space area 15, so that the flue gas and the desulfurizer flow circularly in the desulfurization reactor 12 in a directional manner and form multiple circular flows, the gas-solid flow environment is improved, the mixing and mass transfer of the flue gas and the desulfurizer are increased, the retention time of the flue gas and the desulfurizer in the desulfurization reactor 12 is prolonged, and the use efficiency of the desulfurizer is improved;
specifically, the diameter of the guide shell 13 is 0.5 times the diameter of the desulfurization reactor 12.
Specifically, the input end of the primary separator 16 is connected with the top outlet end of the desulfurization unit 2, the input end of the bag-type dust collector 17 is connected with the top output end of the primary separator 16, the bottom output ends of the primary separator 16 and the bag-type dust collector 17 are both connected with the top input end of the ash bucket 19, and the top output end of the bag-type dust collector 17 is connected with the input end of the chimney 18;
specifically, the primary separator 16 may be a cyclone dust collector, and is configured to primarily filter the desulfurized flue gas and then enter the bag-type dust collector 17, the bag-type dust collector 17 is configured to further filter dust in the flue gas, the ash hopper 19 is configured to collect fly ash discharged from the bottoms of the primary separator 16 and the bag-type dust collector 17, and the chimney 18 is configured to collect clean flue gas discharged from the top of the bag-type dust collector 17.
In this embodiment, a process method of a semidry flue gas desulfurization system includes the following steps:
firstly, high-temperature sulfur-containing flue gas generated by boiler combustion is sent to a flue gas inlet 11 of a desulfurization unit 2 and is mixed with water from a process water inlet 10, so that the humidity of the flue gas is increased, and the activation effect of a desulfurizer is favorably improved.
Secondly, the humidified flue gas is sent into the space of the annular space area 15 of the desulfurization reactor 12 of the desulfurization unit 2 and flows into the flow guide area 14 of the guide cylinder 13 along the annular space area 15, the desulfurizer is input into the desulfurizer inlet 6 from the desulfurizer bin 4 under the action of the bin pump a5, and the flue gas and the desulfurizer flow directionally to the flow guide area 14 (from bottom to top) along the annular space area 15 (from top to bottom) in the desulfurization reactor 12 all the time by regulating the flue gas amount at the flue gas inlet 11 and the desulfurizer dose at the desulfurizer inlet 6 and form multiple circulations, so that the full mixing and mass transfer of the flue gas and the desulfurizer are effectively ensured, the retention time of the flue gas and the desulfurizer is prolonged, the use efficiency of the desulfurizer is improved, the loss of the desulfurizer is reduced, and the desulfurization efficiency is improved.
And step three, enabling the desulfurized dust-containing desulfurizer to enter the upper part of the annular space region 15 from the annular space region 15 of the desulfurization reactor 12, enabling the flue gas velocity to be lower than the entrainment velocity of the desulfurizer by controlling the velocities of the flue gas and the desulfurizer, strengthening the grading behavior of the flue gas and the dust-containing desulfurizer, enabling the flue gas and the dust-containing desulfurizer to be separated efficiently and quickly, and effectively ensuring that the dust-containing desulfurizer flows into the desulfurization dust remover 7 through the dust-containing desulfurizer outlet 9 of the desulfurization reactor 12.
Step four, returning the dust-containing desulfurizer to the desulfurizer bin 4 under the action of a bin pump b8 after the dust of the dust-containing desulfurizer is removed by a desulfurization dust remover 7; the desulfurized flue gas enters a bag-type dust collector 17 after being preliminarily filtered by a primary separator 16 from the outlet end of the desulfurization reactor 12, fly ash discharged from the bottoms of the primary separator 16 and the bag-type dust collector 17 falls into an ash bucket 19, and clean flue gas at the top of the bag-type dust collector 17 is discharged through a chimney 18.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.
Claims (2)
1. A semidry flue gas desulfurization system is characterized by comprising a desulfurizer circulating unit (1), a desulfurization unit (2) and a dust removal unit (3); the outlet end of the desulfurizer circulating unit (1) is connected with the bottom inlet end of the desulfurization unit (2), the inlet end of the desulfurizer circulating unit (1) is connected with the bottom outlet end of the desulfurization unit (2), and the top outlet end of the desulfurization unit (2) is communicated with the inlet end of the dust removal unit (3);
the desulfurizer circulating unit (1) comprises a desulfurizer bin (4), a bin pump a (5), a desulfurizer inlet (6), a desulfurization dust remover (7), a bin pump b (8) and a dust-containing desulfurizer outlet (9); the desulfurizer inlet (6) is a bottom inlet end of the desulfurization unit (2), the dust-containing desulfurizer outlet (9) is a bottom outlet end of the desulfurization unit (2), the input end of the bin pump a (5) is connected with the output end of the desulfurizer bin (4), the output end of the bin pump a (5) is an outlet end of the desulfurizer circulation unit (1) and is connected with the input end of the desulfurizer inlet (6), the input end of the desulfurization dust remover (7) is an inlet end of the desulfurizer circulation unit (1) and is connected with the output end of the dust-containing desulfurizer outlet (9), the output end of the desulfurization dust remover (7) is connected with the input end of the bin pump b (8), and the output end of the bin pump b (8) is connected with the input end of the desulfurizer bin (4);
the desulfurization unit (2) comprises a process water inlet (10), a flue gas inlet (11) and a desulfurization reactor (12); the output end of the desulfurization reactor (12) is the top outlet end of the desulfurization unit (2); the flue gas inlet (11) is communicated with the inside of the desulfurization reactor (12), arranged on two sides of the outer wall of the desulfurization reactor (12) and close to the bottom of the desulfurization reactor (12); the axial included angle between the flue gas inlet (11) and the desulfurization reactor (12) is 30-60 degrees; the process water inlet (10) is connected to the upper wall surface and the lower wall surface of the flue gas inlet (11) and communicated with the flue gas inlet (11); a guide shell (13) is arranged in the desulfurization reactor (12), and the guide shell (13) and the desulfurization reactor (12) are coaxially arranged; the inner area of the guide shell (13) is a guide area (14), and the area between the guide shell (13) and the desulfurization reactor (12) is an annular space area (15); the desulfurizer inlet (6) is positioned right below the flow guide region (14) and is communicated with the bottom of the desulfurization reactor (12), and the dust-containing desulfurizer outlet (9) is positioned right below the annular space region (15) and is communicated with the bottom of the desulfurization reactor (12);
the dust removal unit (3) comprises a primary separator (16), a bag-type dust remover (17), a chimney (18) and an ash bucket (19); the input end of the primary separator (16) is connected with the top outlet end of the desulfurization unit (2), the input end of the bag-type dust collector (17) is connected with the top output end of the primary separator (16), the bottom output ends of the primary separator (16) and the bag-type dust collector (17) are connected with the top input end of the ash bucket (19), and the top output end of the bag-type dust collector (17) is connected with the input end of the chimney (18).
2. The semi-dry flue gas desulfurization system according to claim 1, wherein the diameter of the guide cylinder (13) is 0.3 to 0.8 times the diameter of the desulfurization reactor (12).
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| CN202020313408.5U CN212523655U (en) | 2020-03-13 | 2020-03-13 | Semidry flue gas desulfurization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437713A (en) * | 2020-03-13 | 2020-07-24 | 华电电力科学研究院有限公司 | Semidry flue gas desulfurization system and process method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437713A (en) * | 2020-03-13 | 2020-07-24 | 华电电力科学研究院有限公司 | Semidry flue gas desulfurization system and process method thereof |
| CN111437713B (en) * | 2020-03-13 | 2024-08-02 | 华电电力科学研究院有限公司 | Semi-dry flue gas desulfurization system and process method thereof |
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