CN215327936U - Gas impurity-removing and hydrolysis composite tank and blast furnace gas fine desulfurization system - Google Patents
Gas impurity-removing and hydrolysis composite tank and blast furnace gas fine desulfurization system Download PDFInfo
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- CN215327936U CN215327936U CN202120344016.XU CN202120344016U CN215327936U CN 215327936 U CN215327936 U CN 215327936U CN 202120344016 U CN202120344016 U CN 202120344016U CN 215327936 U CN215327936 U CN 215327936U
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Abstract
The utility model discloses a gas impurity-removing hydrolysis composite tank and a blast furnace gas fine desulfurization system, which comprises a reaction tank body, wherein the reaction tank body is radially provided with a gas inlet and a gas outlet, the inside of the reaction tank body is provided with 3 net clapboards, the net clapboards are arranged in parallel with the central line of the reaction tank, gas flows along the radial direction of the tank body, the inside of the reaction tank body is divided into a gas distribution chamber, an impurity-removing chamber, a catalytic hydrolysis chamber and a gas collection chamber by the net clapboards, the gas inlet is arranged on the gas distribution chamber side of the reaction tank body, the gas outlet is arranged on the gas collection chamber side of the reaction tank body, the impurity-removing agent is arranged in the impurity-removing chamber, the organic catalytic conversion agent is arranged in the catalytic hydrolysis chamber, and the gas enters the gas distribution chamber from the gas inlet, evenly distributed flows to the impurity removing chamber and the catalytic hydrolysis chamber, and is discharged through an outlet after the gas collecting chamber is converged, so that the on-way resistance of gas is small, the pressure loss is small, and harmful impurities in the flue gas of the blast furnace and catalytic hydrolysis organic sulfides can be removed.
Description
Technical Field
The utility model belongs to the technical field of blast furnace gas fine desulfurization, and particularly relates to a gas impurity removal and hydrolysis composite tank and a blast furnace gas fine desulfurization system.
Background
At present, blast furnace gas is only purified by a bag-type dust remover to remove dust in the gas, so that the gas dustThe content is less than 10mg/m3Or lower, and meets the requirements of the subsequent procedures. But the chemical composition of the coal gas is not changed, the chemical composition determines the components of the flue gas after combustion, namely the sulfur content of the blast furnace gas determines the SO of the flue gas2The content of (a).
The blast furnace gas yield is large, the end users are more, and if flue gas desulfurization (SO) is adopted2) The method has the defects of multiple processing points, high investment, large occupied area, more labor determiners and the like. Therefore, the fine desulfurization treatment process for the blast furnace gas is a better choice, and is particularly more meaningful for newly-built integrated iron and steel enterprises.
The blast furnaces use different raw material conditions and operation methods, the total sulfur content in the coal gas is different, the total sulfur content in the coal gas mainly depends on the sulfur content of the raw materials, and 10-20% of sulfur in the raw materials generally enters the top coal gas. The sulfur in the blast furnace gas is present mainly in the form of COS and a partial amount of H2S, small amount of CS2And R-SH. Wherein H2S can be directly removed by adopting a mature adsorption method or an alkali washing method, and organic sulfides such as COS and the like cannot be directly removed by adopting the current technical means, so that the organic sulfides such as COS and the like need to be converted into H by a catalytic hydrolysis process under certain conditions2And S, after the hydrolyzed blast furnace gas containing hydrogen sulfide is subjected to turbine power generation, removing the hydrogen sulfide through an adsorption method or an alkali washing method, so that the total sulfur content of the modified blast furnace gas is reduced, and then ensuring that the flue gas emission of each blast furnace gas combustion user point meets the local ultralow emission requirement.
However, at present, blast furnace gas enters the residual pressure turbine power generation device after passing through the catalytic hydrolysis process, the higher the gas pressure entering the residual pressure turbine power generation device is, the higher the power generation capacity of the residual pressure turbine power generation device is, the larger the pressure loss of the existing blast furnace gas after passing through the catalytic hydrolysis process is, the larger the gas on-way resistance is, and the gas pressure entering the residual pressure turbine power generation device is not yet in an ideal state.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems of the prior art, the utility model provides a gas impurity removal and hydrolysis composite tank and a blast furnace gas fine desulfurization system.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a gas impurity-removing hydrolysis composite tank comprises a reaction tank body, wherein the reaction tank body is provided with a gas inlet and a gas outlet along the radial direction, at least 3 net partition plates are arranged in the reaction tank body, the net partition plates are parallel to the central line of the reaction tank or are arranged at an acute angle, gas flows along the radial direction of the tank body, the mesh clapboard divides the interior of the reaction tank body into a gas distribution chamber, a impurity removal chamber, a catalytic hydrolysis chamber and a gas collection chamber, the gas inlet is arranged on the peripheral side of the reaction tank body close to the gas distribution chamber, the gas outlet is arranged on the peripheral side of the reaction tank body close to the gas collection chamber, the impurity removing agent is placed in the impurity removing chamber, the organic catalytic conversion agent is placed in the catalytic hydrolysis chamber, and gas enters the distribution chamber from the gas inlet, flows to the impurity removing chamber and the catalytic hydrolysis chamber in an evenly distributed manner, is converged in the gas collecting chamber and then is discharged through the gas outlet.
The utility model designs the gas flow direction from the normal axial flow to the radial flow, sets up gas inlet and gas outlet from the tank body peripheral side of the reactor body, then install 3 pieces of net baffles in the reactor body at least, from the direction of gas flow, the net baffle divides the said reactor body into gas distribution room, remove impurity room, catalytic hydrolysis room and gas collecting room, remove impurity removing agent to organic catalytic converting agent harmful impurity in removing impurity room, place organic catalytic converting agent to turn organic sulfide into hydrogen sulfide in the catalytic hydrolysis room, the net baffle limits the position of solid supplies such as removing impurity agent and organic catalytic converting agent, etc., has kept the flow area of the gas at the same time; the gas enters the gas distribution chamber from the gas inlet, flows to the impurity removal chamber and the catalytic hydrolysis chamber in an evenly distributed manner, is discharged through the gas outlet after being converged in the gas collection chamber, passes through the impurity removal hydrolysis composite tank, has small on-way resistance, reduces pressure loss, improves the gas pressure entering the residual pressure turbine power generation device, and simultaneously meets the requirements of impurity removal and catalytic hydrolysis in the gas.
In a preferred embodiment, the mesh partition is disposed in parallel with a center line of the reaction tank body.
In a preferred embodiment, the top of the reaction tank body is provided with a feeding hopper, the feeding hopper is respectively communicated with the impurity removing chamber and the catalytic hydrolysis chamber, a first blind plate valve is arranged between the feeding hopper and the reaction tank body, and the feeding hopper realizes the feeding function of the impurity removing chamber and the catalytic hydrolysis chamber.
In the preferred embodiment, the bottom of the reaction tank body is provided with the buffer hopper and the impeller feeder, the buffer hopper is respectively communicated with the impurity removing chamber and the catalytic hydrolysis chamber, the second blind plate valve is arranged between the buffer hopper and the reaction tank body, the impeller feeder is arranged at the bottom of the reaction tank body, and the buffer hopper is arranged for conveniently discharging materials in the impurity removing chamber and the catalytic hydrolysis chamber and is convenient for discharging materials for multiple times.
In a preferred embodiment, a plurality of material supporting plates are axially arranged in both the impurity removing chamber and the catalytic hydrolysis chamber, the material supporting plates are arranged at an angle with the central line of the reaction tank body, the material supporting plates are fixedly connected with the net partition plate, and a gap is reserved between the material supporting plates and the tank wall of the reaction tank body; or the material supporting plate is fixedly connected with the tank wall of the reaction tank body, and a gap is reserved between the material supporting plate and the net partition plate.
Generally, the reaction tank is arranged very high, the impurity removing agent and the organic catalytic conversion agent are added into the impurity removing chamber and the catalytic hydrolysis chamber from the top of the reaction tank, for example, the impurity removing agent is piled up in the whole impurity removing chamber, the impurity removing agent at the bottom is possibly crushed by the impurity removing agent at the upper part, so that the removing effect is lost, a plurality of material supporting plates are arranged from top to bottom along the axial direction, the material supporting plates are obliquely arranged, the inclination angle of the material supporting plates and a central line is determined according to the piling angle of materials (the impurity removing agent or the organic catalytic conversion agent) to be placed as required, the material supporting plates and the tank wall of the reaction tank body are arranged at intervals, the vertical pressure of the materials is reduced, so that the fragmentation of the impurity removing agent at the bottom is prevented, and the height of the adjacent material supporting plates is determined according to the compressive strength of the impurity removing agent or the organic catalytic conversion agent.
In a preferred embodiment, the retainer plate is fixedly connected with the net partition plate, and a gap is reserved between the retainer plate and the tank wall of the reaction tank body.
In a preferred embodiment, the impurity removing chamber and the catalytic hydrolysis chamber are both provided with guide plates, the guide plates are obliquely and fixedly connected with the tank wall of the reaction tank body and are arranged on the tank wall at the end part of the material supporting plate, and a gap channel is formed between the material supporting plate and the guide plates.
When the impurity removing agent falls into the next material supporting plate from the gap between the material supporting plate and the tank wall of the reaction tank body, the impurity removing agent flows into the next material supporting plate from the inclined surface of the guide plate, so that the effect of flow guiding is achieved, the pressure of the impurity removing agent is reduced, and the inclination angle of the tank wall of the guide plate and the reaction tank body is determined according to the natural stack angle of the impurity removing agent or the organic catalytic conversion agent.
In the preferred embodiment, the material supporting plate is perpendicular to the flow guide surface of the flow guide plate, so that the flow guide effect is better.
Dead corners that gas is not contacted with the impurity removing agent or the organic catalytic conversion agent are prevented, and in a preferred embodiment, the guide plate and the tank wall of the reaction tank body form a closed area.
In a preferred embodiment, the retainer plate, the guide plate and the net partition plate are made of corrosion-resistant stainless steel.
In a preferred embodiment, an insulating layer is arranged outside the tank body of the reaction tank body.
The utility model also provides a blast furnace gas fine desulfurization system which comprises the gas impurity removal hydrolysis composite tank, a bag-type dust remover and a residual pressure turbine power generation device in all the embodiments, wherein a flue gas outlet of the bag-type dust remover is connected with a gas inlet of the gas impurity removal hydrolysis composite tank, a gas outlet of the gas impurity removal hydrolysis composite tank is connected with the residual pressure turbine power generation device, blast furnace gas is dedusted by the bag-type dust remover and then enters the impurity removal hydrolysis composite tank, organic sulfide is converted into hydrogen sulfide which is easy to remove, the pressure loss is small, and then high-pressure blast furnace gas containing the hydrogen sulfide is used for power generation by the residual pressure turbine power generation device.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following advantages and positive effects:
the utility model designs the gas flow direction into radial flow from the common axial flow, a gas inlet and a gas outlet are arranged on the peripheral side of the tank body of the reaction tank body, then at least 3 net partition plates are arranged in the reaction tank body, the net partition plates divide the interior of the reaction tank body into a gas distribution chamber, a impurity removal chamber, a catalytic hydrolysis chamber and a gas collection chamber from the gas flow direction, an impurity removal agent for removing harmful impurities to an organic catalytic conversion agent is placed in the impurity removal chamber, an organic catalytic conversion agent for converting organic sulfide in gas into hydrogen sulfide is placed in the catalytic hydrolysis chamber, the net partition plates limit the positions of solid materials such as the impurity removal agent and the organic catalytic conversion agent, and the flow area of the gas is kept; the gas enters the gas distribution chamber from the gas inlet, flows to the impurity removal chamber and the catalytic hydrolysis chamber in an evenly distributed manner, is discharged through the gas outlet after being converged in the gas collection chamber, has small on-way resistance, reduces pressure loss, thereby improving the gas pressure entering the residual pressure turbine power generation device and simultaneously meeting the requirements of removing impurities in the gas and catalyzing hydrolysis.
In the preferred embodiment of the utility model, the impurity removing chamber and the catalytic hydrolysis chamber are provided with the material supporting plates, the impurity removing agent and the organic catalytic conversion agent need to be fed into the impurity removing chamber and the catalytic hydrolysis chamber from the top of the reaction tank, for example, the impurity removing agent is taken as an example, the impurity removing agent at the bottom is likely to be crushed by the impurity removing agent at the upper part and is likely to be carried into the other compartment by gas, and the removing effect is poor.
In another preferred embodiment of the utility model, the impurity removing chamber and the catalytic hydrolysis chamber are respectively provided with a guide plate, and the guide plates are obliquely and fixedly connected with the tank wall of the reaction tank body and are arranged at the end parts of the material supporting plates. Taking the impurity removing agent as an example, when the impurity removing agent falls into the next material supporting plate from the gap between the material supporting plate and the tank wall of the reaction tank body, the impurity removing agent flows into the next material supporting plate from the inclined surface of the guide plate, so that the effect of flow guiding is achieved, and the pressure of the impurity removing agent is reduced.
Drawings
FIG. 1 is a schematic view of a gas-impurity-removing hydrolysis complex tank in example 1 of the present invention;
FIG. 2 is a schematic transverse cross-sectional view of a gas-impurity-removing hydrolysis composite tank according to example 1 of the present invention;
FIG. 3 is a schematic view of the inside of the impurity removal chamber or the catalytic hydrolysis chamber in example 1 of the present invention.
Description of reference numerals: 1-reaction tank body; 2-a gas distribution chamber; 3-a impurity removal chamber; 4-a catalytic hydrolysis chamber; 5, collecting gas; 6-gas inlet; 7-gas outlet; 8-a loading hopper; 9-a first blind plate valve; 10-a vane feeder; 11-a buffer hopper; 12-a second blind plate valve; 13-a retainer plate; 14-a baffle; 15-insulating layer; 16-mesh separator plate; 161-imperforate separators; 162-a separator in the form of a grid; 17-triangular containment area.
Detailed Description
The gas impurity-removing hydrolysis composite tank and the blast furnace gas fine desulfurization system provided by the utility model are further described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Example 1
Referring to fig. 1 and 2, a gas impurity removal hydrolysis composite tank, this embodiment is used for fine desulfurization of blast furnace flue gas, and may be used for other gases, including a reaction tank body 1, the reaction tank body 1 is provided with a gas inlet 6 and a gas outlet 7 along the radial direction, 3 net partition plates 16 are arranged inside the reaction tank body 1, the net partition plates 16 are arranged parallel to the center line of the reaction tank, along the direction of the gas flow, the net partition plates 16 divide the inside of the reaction tank body 1 into a gas distribution chamber 2, an impurity removal chamber 3, a catalytic hydrolysis chamber 4 and a gas collection chamber 5, the gas inlet 6 is arranged on the periphery side of the reaction tank body 1 close to the gas distribution chamber 2, the gas outlet 7 is arranged on the periphery side of the reaction tank body 1 close to the gas collection chamber 5, the impurity removal chamber 3 is provided with an impurity removal agent, and the catalytic hydrolysis chamber 4 is provided with an organic conversion agent.
In the embodiment, the gas flow direction is designed to be radial flow from a common axial flow, a gas inlet 6 and a gas outlet 7 are arranged on the periphery of the tank body of the reaction tank body 1, then 3 net partition plates 16 are arranged in the reaction tank body 1, the net partition plates 16 divide the interior of the reaction tank body 1 into a impurity removing chamber 3 and a catalytic hydrolysis chamber 4 from the gas flow direction, a impurity removing agent for removing impurities harmful to the organic catalytic conversion agent is placed in the impurity removing chamber 3, and an organic catalytic conversion agent for converting organic sulfide in gas into hydrogen sulfide is placed in the catalytic hydrolysis chamber 4; the gas enters the gas distribution chamber 2 from the gas inlet 6, flows to the impurity removal chamber 3 and the catalytic hydrolysis chamber 4 in an evenly distributed manner, is discharged through the gas outlet 7 after being converged in the gas collection chamber 5, has small on-way resistance, reduces pressure loss, thereby improving the gas pressure entering the residual pressure turbine power generation device, and simultaneously meeting the requirements of removing impurities in the gas and catalytic hydrolysis.
The net partition 16 limits the position of solid materials such as impurity removing agent and organic catalytic conversion agent, and keeps the gas flow area, preferably, the net partition 16 is designed into a non-porous partition 161 at the top of the reaction tank body 1, and a grid-shaped partition 162 is directly communicated with the bottom of the reaction tank, so that when the materials (impurity removing agent and organic catalytic conversion agent) are slightly collapsed, the materials at the top can be descended and supplemented, and the gas flow short circuit can not be generated, as shown in fig. 3.
The reaction tank body adopts a pressure-resistant tank body, and a heat-insulating layer 15 is arranged outside the tank body.
And, set up loading hopper 8 at the top of retort body 1, loading hopper 8 communicates with removing miscellaneous room 3 and catalytic hydrolysis room 4 respectively, sets up first blind plate valve 9 between loading hopper 8 and the retort body 1, for removing miscellaneous room 3 and catalytic hydrolysis room 4 realization reinforced function.
The bottom of retort body 1 sets up buffer hopper 11, rotary vane feeder 10, and buffer hopper 11 communicates with the room 3 of taking off miscellaneous room and 4 intercommunication of catalytic hydrolysis room respectively, sets up second blind plate valve 12 between buffer hopper 11 and the retort body 1, and the bottom sets up rotary vane feeder 10, conveniently arranges the material for the room 4 of taking off miscellaneous room 3 and catalytic hydrolysis, sets up buffer hopper 11, and convenient row material many times.
Generally, the reaction tank is arranged high, a impurity removing agent and an organic catalytic conversion agent are added into the impurity removing chamber 3 and the catalytic hydrolysis chamber 4 from the top of the reaction tank, for example, the impurity removing agent is piled up in the whole impurity removing chamber 3, the impurity removing agent at the bottom is likely to be crushed by the impurity removing agent at the upper part, so that the removing effect is lost, in order to prevent the impurity removing agent from being crushed, the removing effect is lost, referring to fig. 3, a plurality of material supporting plates 13 are arranged in the impurity removing chamber 3 and the catalytic hydrolysis chamber 4 from top to bottom along the axial direction, the material supporting plates 13 are arranged at an angle with the central line of the reaction tank body 1, the material supporting plates 13 are fixedly connected with a net partition plate 16, and the material supporting plates 13 and the tank wall of the reaction tank body 1 are provided with clearance channels.
A plurality of retainer plates 13 are arranged from top to bottom along the axial direction, the retainer plates 13 are obliquely arranged and are arranged at intervals with the tank wall of the reaction tank body 1, each retainer plate 13 bears partial pressure and transmits the partial pressure to the tank body 1, so that the bottom impurity removing agent is prevented from being cracked, and the height of the adjacent retainer plates 13 is determined according to the compressive strength of the impurity removing agent or the organic catalytic conversion agent.
When the impurity removing agent falls into the next material supporting plate 13 from the gap between the material supporting plate 13 and the tank wall of the reaction tank body 1, the impurity removing agent flows into the next material supporting plate 13 from the inclined surface of the guide plate 14, so that the effect of flow guiding is achieved, and the vertical continuous effect of reducing the pressure of the impurity removing agent is achieved, and the inclination angle of the guide plate 14 and the tank wall of the reaction tank body 1 is determined according to the natural stack angle of the impurity removing agent or the organic catalytic conversion agent.
In the preferred embodiment, the retainer plate 13 is perpendicular to the plane of the guide plate 14, so that the guide effect is better.
Dead corners that the gas does not contact with the impurity removing agent or the organic catalytic conversion agent are prevented, and preferably the guide plate 14 and the tank wall of the reaction tank body 1 form a triangular closed area 17.
The retainer plate 13, the guide plate 14 and the net partition plate 16 are made of corrosion-resistant stainless steel.
Example 2
Referring to fig. 1, a blast furnace gas fine desulfurization system includes the gas impurity-removing hydrolysis composite tank, the bag-type dust remover, and the residual pressure turbine power generation device (TRT) of embodiment 1, a flue gas outlet of the bag-type dust remover is connected to a gas inlet 6 of the gas impurity-removing hydrolysis composite tank, a gas outlet 7 of the gas impurity-removing hydrolysis composite tank is connected to the residual pressure turbine power generation device, blast furnace gas is dedusted by the bag-type dust remover and then enters the impurity-removing hydrolysis composite tank, organic sulfides are converted into hydrogen sulfide which is easy to remove, pressure loss is small, and then high-pressure blast furnace gas containing hydrogen sulfide is generated by the residual pressure turbine power generation device.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (11)
1. The utility model provides a gaseous miscellaneous compound jar of hydrolysising that takes off, a serial communication port, including the retort body, the retort body sets up gas inlet and gas outlet along radial, retort body inside sets up 3 at least net baffles, the net baffle with the central line of retort is parallel or is the acute angle setting, and gas flows along jar body radial, the net baffle will retort body internal partitioning is gas distribution room, takes off miscellaneous room, catalytic hydrolysis room and gas collection room, gas inlet sets up the retort body is close to the week side of gas distribution room, gas outlet sets up the retort body is close to week side of gas collection room, take off miscellaneous agent of placing in the miscellaneous room, place organic catalytic conversion agent in the catalytic hydrolysis room.
2. The gas impurity removal and hydrolysis composite tank as claimed in claim 1, wherein the mesh partition is disposed in parallel with a center line of the reaction tank body.
3. The gas impurity-removing hydrolysis composite tank as claimed in claim 2, wherein a feeding hopper is arranged at the top of the reaction tank body, the feeding hopper is respectively communicated with the impurity-removing chamber and the catalytic hydrolysis chamber, and a first blind plate valve is arranged between the feeding hopper and the reaction tank body.
4. The gas impurity-removing hydrolysis composite tank as claimed in claim 2, wherein a buffer hopper and an impeller feeder are arranged at the bottom of the reaction tank body, the buffer hopper is respectively communicated with the impurity-removing chamber and the catalytic hydrolysis chamber, and a second blind plate valve is arranged between the buffer hopper and the reaction tank body.
5. The gas impurity-removing hydrolysis composite tank as claimed in claim 3, wherein a plurality of retainer plates are axially arranged in both the impurity-removing chamber and the catalytic hydrolysis chamber, the retainer plates are arranged at an angle to the center line of the reaction tank body, the retainer plates are fixedly connected with the net partition plate, and a gap is reserved between the retainer plates and the tank wall of the reaction tank body; or the material supporting plate is fixedly connected with the tank wall of the reaction tank body, and a gap is reserved between the material supporting plate and the net partition plate.
6. The gas impurity-removing hydrolysis composite tank as claimed in claim 5, wherein the impurity-removing chamber and the catalytic hydrolysis chamber are provided with guide plates, the guide plates are obliquely and fixedly connected with the tank wall of the reaction tank body and are arranged on the tank wall at the end part of the retainer plate, and a gap channel is formed between the retainer plate and the guide plates.
7. The gas impurity-removing hydrolysis composite tank as claimed in claim 6, wherein the retainer plate is perpendicular to the flow guide surface of the flow guide plate.
8. The gas-impurity-removing hydrolysis composite tank as claimed in claim 6, wherein the flow guide plate and the tank wall of the reaction tank body form a closed area.
9. The gas impurity-removing hydrolysis composite tank as claimed in claim 6, wherein the retainer plate, the deflector plate and the net partition plate are made of stainless steel.
10. The gas impurity-removing hydrolysis composite tank as claimed in any one of claims 1 to 9, wherein an insulating layer is arranged outside the tank body of the reaction tank body.
11. A blast furnace gas fine desulfurization system, which comprises the gas impurity removal and hydrolysis composite tank, a bag-type dust remover and an excess pressure turbine power generation device as recited in any one of claims 1 to 10, wherein a flue gas outlet of the bag-type dust remover is connected with a gas inlet of the gas impurity removal and hydrolysis composite tank, and a gas outlet of the gas impurity removal and hydrolysis composite tank is connected with the excess pressure turbine power generation device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120344016.XU CN215327936U (en) | 2021-02-05 | 2021-02-05 | Gas impurity-removing and hydrolysis composite tank and blast furnace gas fine desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120344016.XU CN215327936U (en) | 2021-02-05 | 2021-02-05 | Gas impurity-removing and hydrolysis composite tank and blast furnace gas fine desulfurization system |
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| CN215327936U true CN215327936U (en) | 2021-12-28 |
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| CN202120344016.XU Active CN215327936U (en) | 2021-02-05 | 2021-02-05 | Gas impurity-removing and hydrolysis composite tank and blast furnace gas fine desulfurization system |
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2021
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