CN102872713B - A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit - Google Patents

A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit Download PDF

Info

Publication number
CN102872713B
CN102872713B CN201210412384.9A CN201210412384A CN102872713B CN 102872713 B CN102872713 B CN 102872713B CN 201210412384 A CN201210412384 A CN 201210412384A CN 102872713 B CN102872713 B CN 102872713B
Authority
CN
China
Prior art keywords
transmission pipeline
gas transmission
gas
desulfurization
hydrogen sulfide
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.)
Active
Application number
CN201210412384.9A
Other languages
Chinese (zh)
Other versions
CN102872713A (en
Inventor
林科
张旭之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing SJ Environmental Protection and New Material Co Ltd
Original Assignee
Beijing SJ Environmental Protection and New Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing SJ Environmental Protection and New Material Co Ltd filed Critical Beijing SJ Environmental Protection and New Material Co Ltd
Priority to CN201210412384.9A priority Critical patent/CN102872713B/en
Publication of CN102872713A publication Critical patent/CN102872713A/en
Application granted granted Critical
Publication of CN102872713B publication Critical patent/CN102872713B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

One of the present invention utilizes gas transmission pipeline elimination H2The desulfurization of S, regenerating unit, including: gas transmission pipeline, described gas transmission pipeline basic horizontal is arranged, and the diameter of described gas transmission pipeline is more than or equal to 0.3m, and draw ratio, more than or equal to 10, is provided with liquid outlet on described gas transmission pipeline;End at described gas transmission pipeline is provided with gas outlet;It is arranged below regeneration tank at described gas transmission pipeline, in described regeneration tank, is provided with aerator;In described gas transmission pipeline, it is disposed with multiple atomizer for injection desulfurization liquid or desulfurization slurry along transfer of gas direction。Of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, adopts the gas transmission pipeline of gas as desulfurization H2The place of S, compared with desulfurizing tower of the prior art or other desulfurization reactor, it is not necessary to additionally build desulfurizer, effectively reduces the construction cost of equipment。

Description

A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit
Technical field
The invention belongs to field of gas purification, be specifically related to a kind of utilize gas transmission pipeline elimination the desulfurization of H2S, regenerating unit。
Background technology
H2S is a kind of poisonous, harmful severe corrosive impurity being widely present in the gases such as coke-stove gas, water gas, natural gas, biogas, crude synthesis gas, containing H2When the above-mentioned gas of S is used as fuel, H therein2The product SO that S and its burning generate2Being noxious substance, can cause the pollution of environment, therefore above-mentioned gas have to process through desulfurizing and purifying before using as fuel。
In order to ensure the effect of desulfurization, prior art is used for remove H2The desulfurizer of S is typically provided with filler or other desulfurization component, such as Chinese science and technology document " structure of crude synthesis gas cleaning system desulfurizing tower is improved and application " (in August, 2007, big nitrogenous fertilizer, the 30th volume the 4th phase) disclosed in a kind of for removing with residual oil for H in the crude synthesis gas of raw material gas making2The desulfurizing tower of S, the tower height 39m of this desulfurizing tower, internal diameter 2.2m, 2 layers of blister configuration it are filled with on the top of described desulfurizing tower, bottom adopts hollow-spraying-tower;Be provided with a sprinkle shower nozzle at the top of desulfurizing tower, middle part and bottom are respectively provided with 2 layers of atomizer, and every layer includes 5 diameters is the atomizer of 65mm;This desulfurizing tower is when actual motion, and crude synthesis gas passes into from the bottom of tower, contacts with the anthraquinone disulfonic acid sodium solution of spray on tower, reaches elimination H2The effect of S。
Above-mentioned desulfurizing tower is effectively increased the contact of gas-liquid by arranging blister configuration, has higher desulfuration efficiency, after above-mentioned desulfurizing tower processes, and the H in crude synthesis gas2S content is by 800-1000mg/m3Drop to 2mg/m3Hereinafter, but in above-mentioned desulfurizing tower, owing to being filled with blister configuration in desulfurizing tower, on the one hand, causing that the SR of desulfurizing tower increases, operation energy consumption is higher;On the other hand, long-term use is easily caused blister configuration place and fouling occurs, thus blocking desulfurizing tower。In order to overcome this technical problem, reduce operation energy consumption, in prior art, spray void tower obtains gradually and is more widely applied, and spray void tower simplifies the component in tower and arranges, and passes through atomizer, doctor solution is powerful in the middle and upper part of tower, high density atomization, forming substantial amounts of microparticle spheroid, microparticle spheroid contacts with the process gas entered from tower bottom, the impacting type contact of reverse flow under liquid on totally in gas。The problem that its typical feature is that the uniformity of gas-liquid two-phase mixing is high, microparticle spheroid contact interface is big, mass-transfer efficiency is high, the utilization rate of doctor solution high, system loading is little, operation energy consumption is less and stifled tower will not occur。
Although above-mentioned spray void tower has relatively low tower system resistance and system loading, effectively reduce the operation energy consumption of desulfurizer, but above-mentioned spray void tower is not particularly suited for processing H2The gas that S concentration is higher, as H in gas2When S content is higher, above-mentioned spray void tower is generally difficult to the requirement meeting high purification。Therefore, in the prior art, as H in gas2When S content is higher, in order to reach higher desulfuration efficiency, it will usually multiple spray void towers are arranged in series, or spray void tower is successively arranged in series with packed tower, so, just adds again construction cost and the operation energy consumption of equipment;And how while keeping low equipment cost and operation energy consumption, additionally it is possible to ensure the de-H of desulfurizer2S efficiency, is the still unsolved difficult problem of prior art。
Summary of the invention
In order to solve in prior art for removing the desulfurizer of high sulfur concentration gas, the construction cost of its equipment and the higher problem of operation energy consumption, it is provided that a kind of construction cost is cheap, operation energy consumption is low and has H in the gas transmission pipeline elimination gas utilizing gas of relatively high desulfurization efficiency2The device of S。
Of the present invention utilize gas transmission pipeline elimination gas in H2The technical scheme of the device of S is:
A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, including:
Gas transmission pipeline, described gas transmission pipeline basic horizontal is arranged, the diameter of described gas transmission pipeline is more than or equal to 0.3m, draw ratio is more than or equal to 10, gas flow rate in described gas transmission pipeline is 3-10m/s, is provided with one or more liquid outlet on described gas transmission pipeline;
Along transfer of gas direction, the end at described gas transmission pipeline is provided with gas outlet;
It is arranged below regeneration tank at described gas transmission pipeline, described regeneration tank is provided with aerator, it is provided with and communicated with drain pipe with each liquid outlet on described gas transmission pipeline, described drain pipe extends to the inside of described regeneration tank, and described drain pipe is connected by the inside of the liquid outlet of himself with described regeneration tank;
In described gas transmission pipeline, it is disposed with multiple atomizer for injection desulfurization liquid or desulfurization slurry along transfer of gas direction。
Described atomizer is arranged along the axis of described gas transmission pipeline。
The injection direction of described atomizer is identical with the transfer of gas direction in described gas transmission pipeline。
The diameter of described gas transmission pipeline is 0.5-3.6m。
The draw ratio of gas transmission pipeline is 10-30。
The draw ratio of gas transmission pipeline is 20。
Spacing between the described atomizer that each two is adjacent is 0.2-2m。
Described desulfurization slurry is FeOOH serosity。
The concentration of described FeOOH serosity is 5-30wt%;The particle size range of described FeOOH is 5-500 μm。
The desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank by described drain pipe, and the desulfurization waste liquor in described drain pipe forms fluid-tight。
Be provided with circulating pump in the bottom of described regeneration tank, described circulation delivery side of pump is connected with described atomizer。
The top of described regeneration tank is provided with overfall。
Of the present invention utilize gas transmission pipeline elimination gas in H2The advantage of the device of S is in that:
(1) of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, adopts the gas transmission pipeline of gas as desulfurization H2The place of S, compared with desulfurizing tower of the prior art or other desulfurization reactor, it is not necessary to additionally build desulfurizer, effectively reduces the construction cost of equipment。Additionally, the present invention limits the diameter of described gas transmission pipeline more than 0.3m, draw ratio is be more than or equal to 10, and the gas flow rate in described gas transmission pipeline is 3-10m/s;In prior art, it is used for removing H2Gas linear velocity in the desulfurizing tower of S is usually at about 1m/s, gas in gas transmission pipeline then has higher flow velocity, and described gas transmission pipeline is substantially hollow setting, inside does not set other component, the pressure drop making described gas transmission pipeline is extremely low, it is longer that this draw ratio allowing for described gas transmission pipeline can be arranged, gas in gas transmission pipeline is in the process carried along pipeline, the gas sprayed with each atomizer successively comes in contact, it is effectively increased gas-liquid mass transfer area, thus ensure that and utilizing gas transmission pipeline desulfurization to have higher desulfuration efficiency。As preferred embodiment, it is 10-30 that the present invention also sets up the draw ratio of gas transmission pipeline。Owing in practical application, the length of gas transmission pipeline is generally longer, therefore the present invention utilizes H in gas transmission pipeline elimination gas2S, while reducining the construction costs, also effectively ensure that desulfuration efficiency。
Of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, is further arranged below regeneration tank at described gas transmission pipeline, is provided with aerator in described regeneration tank, it is achieved thereby that the recovery to desulfurization slurry or sweetening liq;As preferred embodiment, it is provided with and communicated with drain pipe with the liquid outlet on described gas transmission pipeline, the liquid outlet of described drain pipe is arranged on the inside of described regeneration tank, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank by described drain pipe, and the desulfurization waste liquor in described drain pipe forms fluid-tight。The present invention forms fluid-tight by arranging the desulfurization waste liquor in drain pipe so that the gas in gas transmission pipeline by described drain pipe overflow to described gas transmission pipeline, will not will not be flowed and produce impact by the air of aerator output。The present invention arranges described regeneration tank and is positioned at the lower section of described gas transmission pipeline so that desulfurization waste liquor by described drain pipe from flowing into described regeneration tank, without arranging the power set extracting waste liquid again, can decrease the energy consumption of removal process under gravity;Additionally, be positioned at the regeneration tank below described gas transmission pipeline can imbed below ground setting when reality is built, effectively reduce floor space。
Of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, is provided with circulating pump in the bottom of described regeneration tank, and described circulation delivery side of pump is connected with described atomizer。By utilizing described aerator to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and the FeOOH serosity of lower floor is fed again into atomizer by circulating pump, it is achieved that the recycling of FeOOH。
(2) of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, arranging described doctor solution is FeOOH serosity, and reason is in that, FeOOH serosity can with H2S quickly reacts, and is rapidly removed。As preferred embodiment, in order to improve the desulfuration efficiency of device further, it is 5-30wt% that the present invention is further defined by the concentration of described FeOOH serosity;The grain diameter of described FeOOH is 5-500 μm。
(3) of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, centrally disposed near described gas transmission pipeline of described atomizer is set, owing to the gas transmission pipeline diameter in the present invention is less, thus allow for the liquid particle that sprays from described atomizer can the whole cross section of gassy conveyance conduit, effectively increase gas liquid interfacial area。
(4) of the present invention utilize gas transmission pipeline elimination gas in H2The device of S, the injection direction arranging described atomizer is identical with the transfer of gas direction in described gas transmission pipeline, arrange with gas conveying direction adverse current compared to spray direction, so have the advantage that the liquid particle of ejection can promote gas to carry from described atomizer, so that gas does not produce pressure drop in course of conveying, compared to the adverse current set-up mode under liquid on gas in spray void tower in prior art, reduce further the energy consumption of operation。
Accompanying drawing explanation
It is clearly understood to make present disclosure be easier to, below in conjunction with specific embodiments and the drawings, present disclosure is described in further detail, wherein
Fig. 1 show of the present invention utilize gas transmission pipeline elimination gas in H2The part-structure figure of the device of S;
Fig. 2 show the gas transmission pipeline that utilizes being provided with circulating pump of the present invention and removes H in gas2The part-structure figure of the device of S;
Wherein accompanying drawing is labeled as:
1-gas transmission pipeline;2-liquid outlet;3-gas outlet;4-atomizer;5-drain pipe;6-aerator;7-circulating pump;8-regeneration tank。
Detailed description of the invention
Embodiment 1
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas, as it is shown in figure 1, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 0.3m, long 20m, and the gas flow rate in described gas transmission pipeline 1 is 10m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a liquid outlet 2 and gas outlet 3;
In described gas transmission pipeline 1,30 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 0.2m, as preferred embodiment, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。It is provided with and communicated with drain pipe 5 with the liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight。
Described in the present embodiment utilize gas transmission pipeline 1 to remove in gas the device of hydrogen sulfide is when actual motion, the flow velocity of described coke-stove gas is 10m/s;Spraying into desulfurization slurry by described atomizer 4 in described gas transmission pipeline 1, the desulfurization slurry described in the present embodiment is amorphous FeOOH serosity, and the spray flux of described desulfurization slurry is 8m3/ h;The concentration of described amorphous FeOOH serosity is 20wt%, and the particle size range of described amorphous FeOOH is 5-20 μm。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, the FeOOH serosity that lower floor's recovery obtains then can be back to described atomizer and recycle。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 15mg/L。
Embodiment 2
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas, as it is shown in figure 1, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 2.5m, long 25m, and the gas flow rate in described gas transmission pipeline 1 is 3m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a liquid outlet 2 and gas outlet 3;
In described gas transmission pipeline 1,25 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 0.8m, as preferred embodiment, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。It is provided with and communicated with drain pipe 5 with the liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight。
Described in the present embodiment utilize gas transmission pipeline 1 to remove in gas the device of hydrogen sulfide is when actual motion, the flow velocity of described coke-stove gas is 3m/s;Spraying into desulfurization slurry by described atomizer 4 in described gas transmission pipeline 1, the desulfurization slurry described in the present embodiment is amorphous FeOOH serosity, and the spray flux of described desulfurization slurry is 84m3/ h;The concentration of described amorphous FeOOH serosity is 30wt%, and the particle size range of described amorphous FeOOH is 5-20 μm。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, the FeOOH serosity that lower floor's recovery obtains then can be back to described atomizer and recycle。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 10mg/L。
Embodiment 3
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas as it is shown in figure 1, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 0.5m, long 35m, and the gas flow rate in described gas transmission pipeline 1 is 10m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a liquid outlet 2 and gas outlet 3;
In described gas transmission pipeline 1,30 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 1m, it is 6m along the distance between last atomizer 4 and described gas outlet 3 of gas conveying direction, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。It is provided with and communicated with drain pipe 5 with the liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight。
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas when actual motion, in described gas transmission pipeline 1, desulfurization slurry is sprayed into by described atomizer 4, desulfurization slurry described in the present embodiment is Alpha-hydroxy iron oxide slurry, and the spray flux of described desulfurization slurry is 10m3/ h;The concentration of described Alpha-hydroxy iron oxide slurry is 10wt%, and the particle size range of described Alpha-hydroxy iron oxide slurry is 20-100 μm, completes the desulfurization slurry waste liquid after desulfurization and discharges from described liquid outlet 2。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, the FeOOH serosity that lower floor's recovery obtains then can be back to described atomizer and recycle。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 8mg/L。
Embodiment 4
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas as it is shown in figure 1, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 3.6m, long 72m, and the gas flow rate in described gas transmission pipeline 1 is 5m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a liquid outlet 2 and gas outlet 3;
In described gas transmission pipeline 1,36 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 2m, it is 2m along the distance between last atomizer 4 and described gas outlet 3 of gas conveying direction, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。It is provided with and communicated with drain pipe 5 with the liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight。
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas when actual motion, in described gas transmission pipeline 1, desulfurization slurry is sprayed into by described atomizer 4, desulfurization slurry described in the present embodiment is Alpha-hydroxy iron oxide slurry, and the spray flux of described desulfurization slurry is 100m3/ h;The concentration of described Alpha-hydroxy iron oxide slurry is 15wt%, and the particle size range of described Alpha-hydroxy iron oxide slurry is 300-500 μm;Complete the desulfurization slurry waste liquid after desulfurization to discharge from described liquid outlet 2。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, the FeOOH serosity that lower floor's recovery obtains then can be back to described atomizer and recycle。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 2mg/L。
Embodiment 5
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas as it is shown in figure 1, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 1.8m, long 50m, and the gas flow rate in described gas transmission pipeline 1 is 6m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a liquid outlet 2 and gas outlet 3;
In described gas transmission pipeline 1,50 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 1m, it is 1m along the distance between last atomizer 4 and described gas outlet 3 of gas conveying direction, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。It is provided with and communicated with drain pipe 5 with the liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight。
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas when actual motion, in described gas transmission pipeline 1, desulfurization slurry is sprayed into by described atomizer 4, desulfurization slurry described in the present embodiment is amorphous FeOOH serosity, and the spray flux of described desulfurization slurry is 85m3/ h;The concentration of described amorphous FeOOH serosity is 20wt%, and the particle size range of described amorphous FeOOH serosity is 200-300 μm;Complete the desulfurization slurry waste liquid after desulfurization to discharge from described liquid outlet 2。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, the FeOOH serosity that lower floor's recovery obtains then can be back to described atomizer and recycle。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 2mg/L。
Embodiment 6
The gas transmission pipeline 1 that utilizes described in the present embodiment removes the device of hydrogen sulfide in gas as in figure 2 it is shown, include:
For carrying the gas transmission pipeline 1 of coke-stove gas, described gas transmission pipeline 1 is horizontally disposed with, and the diameter of described gas transmission pipeline 1 is 2m, long 60m, and the gas flow rate in described gas transmission pipeline 1 is 10m/s;Along transfer of gas direction, the end at described gas transmission pipeline 1 is provided with a gas outlet 3, is provided with multiple liquid outlet 2 on described gas transmission pipeline 1;
In described gas transmission pipeline 1,50 atomizers 4 for injection desulfurization liquid it are disposed with along transfer of gas direction, distance between the described atomizer 4 that each two is adjacent is 1m, it is 10m along the distance between last atomizer 4 and described gas outlet 3 of gas conveying direction, atomizer 4 described in the present embodiment is arranged along the axis of described gas transmission pipeline 1, and the injection direction of described atomizer 4 is identical with the transfer of gas direction in described gas transmission pipeline 1。
Utilize gas transmission pipeline 1 to remove the device of hydrogen sulfide in gas to be arranged below regeneration tank 8 at described gas transmission pipeline 1, in described regeneration tank 8, be provided with aerator 6 described in the present embodiment;The top of described regeneration tank is provided with overfall。
It is provided with and communicated with drain pipe 5 with each liquid outlet 2 on described gas transmission pipeline 1, described drain pipe 5 extends to the inside of described regeneration tank 8, described drain pipe 5 is connected by the inside of the liquid outlet of himself with described regeneration tank 8, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank 8 by described drain pipe 5, and the desulfurization waste liquor in described drain pipe 5 forms fluid-tight;Be additionally provided with circulating pump 7 in the bottom of described regeneration tank 8, the outlet of described circulating pump 7 is connected with described atomizer 4。
The gas transmission pipeline 1 that utilizes described in the present embodiment removes in gas the device of hydrogen sulfide when actual motion, in described gas transmission pipeline 1, desulfurization slurry is sprayed into by described atomizer 4, desulfurization slurry described in the present embodiment is amorphous FeOOH serosity, and the spray flux of described desulfurization slurry is 100m3/ h;The concentration of described amorphous FeOOH serosity is 20wt%, and the particle size range of described amorphous FeOOH serosity is 200-300 μm。The desulfurization waste liquor that described desulfurization slurry is formed after completing desulfurization enters regeneration tank 8 by described drain pipe 5, by utilizing described aerator 6 to pass into air in described waste liquid, described FeOOH spent solution regeneration is made to become amorphous FeOOH serosity and elemental sulfur, wherein elemental sulfur due to density less, the surface of regenerated liquid is floated under the effect of aeration, and flowed out by described overfall, and the FeOOH serosity of lower floor is fed again into atomizer 4 by circulating pump 7, it is achieved that the recycling of FeOOH。
The H of the coke-stove gas processed without desulfurization in gas transmission pipeline 1 described in the present embodiment2S content is 1000mg/L, H in gas outlet 3 place coke-stove gas out2S content is down to 2mg/L。
In the above-described embodiments, described gas transmission pipeline 1 is coke-stove gas conveyance conduit, and as selectable embodiment, described gas can also be biogas, natural gas, crude synthesis gas, water gas etc.;
In above-described embodiment, the amorphous FeOOH being of described desulfurization slurry employing and Alpha-hydroxy ferrum oxide, as selectable embodiment, described desulfurization slurry can also adopt arbitrary ferrum system or non-ferric system desulfurization slurry in prior art, and the solid desulfurating agent in serosity can select ZnO, Ca (OH)2, iron sesquioxide, CuO etc.;Or adopt such as ammonia, sodium carbonate, sodium hydroxide, potassium hydroxide, MDEA at interior doctor solution。
The present invention arranges the desulfurization waste liquor in described drain pipe 5 and forms fluid-tight;It is that the bubble in order to prevent aerator from bloating enters described gas transmission pipeline, as selectable embodiment, it is also possible to by arranging the one-way flow of other existing techniques in realizing gas-liquids such as such as check valve。
In addition, the present invention limits described gas transmission pipeline 1 " basic horizontal setting ", namely except being horizontally disposed with as the gas transmission pipeline 1 in above-described embodiment, certain angle can also be had with horizontal direction, the angular range of this angle is ± 10 °, is not advisable with gas generation adverse current with doctor solution or desulfurization slurry。
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment。For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description。Here without also cannot all of embodiment be given exhaustive。And the apparent change thus extended out or variation are still among the protection domain of the invention。

Claims (12)

1. utilize gas transmission pipeline the elimination desulfurization of hydrogen sulfide, a regenerating unit, including:
Gas transmission pipeline, described gas transmission pipeline basic horizontal is arranged, the diameter of described gas transmission pipeline is more than or equal to 0.3m, draw ratio is more than or equal to 10, gas flow rate in described gas transmission pipeline is 3-10m/s, is provided with one or more liquid outlet on described gas transmission pipeline;
Along transfer of gas direction, the end at described gas transmission pipeline is provided with gas outlet;
It is arranged below regeneration tank at described gas transmission pipeline, described regeneration tank is provided with aerator, it is provided with and communicated with drain pipe with each liquid outlet on described gas transmission pipeline, described drain pipe extends to the inside of described regeneration tank, and described drain pipe is connected by the inside of the liquid outlet of himself with described regeneration tank;
It is characterized in that, in described gas transmission pipeline, be disposed with multiple atomizer for injection desulfurization liquid or desulfurization slurry along transfer of gas direction。
2. according to claim 1 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that described atomizer is arranged along the axis of described gas transmission pipeline。
3. according to claim 1 and 2 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the injection direction of described atomizer is identical with the transfer of gas direction in described gas transmission pipeline。
4. according to claim 1 and 2 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the diameter of described gas transmission pipeline is 0.5-3.6m。
5. according to claim 1 and 2 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the draw ratio of gas transmission pipeline is 10-30。
6. according to claim 5 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the draw ratio of gas transmission pipeline is 20。
7. according to claim 1 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the spacing between the described atomizer that each two is adjacent is 0.2-2m。
8. according to claim 1 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that described desulfurization slurry is FeOOH serosity。
9. according to claim 8 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the concentration of described FeOOH serosity is 5-30wt%;The particle size range of described FeOOH is 5-500 μm。
10. according to claim 1 utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit, it is characterized in that, the desulfurization waste liquor that doctor solution is formed after completing desulfurization is flowed into described regeneration tank by described drain pipe, and the desulfurization waste liquor in described drain pipe forms fluid-tight。
Gas transmission pipeline the elimination desulfurization of hydrogen sulfide, regenerating unit is utilized, it is characterised in that be provided with circulating pump in the bottom of described regeneration tank, described circulation delivery side of pump is connected with described atomizer 11. according to claim 10。
12. the gas transmission pipeline that utilizes according to claim 10 or 11 removes the desulfurization of hydrogen sulfide, regenerating unit, it is characterised in that the top of described regeneration tank is provided with overfall。
CN201210412384.9A 2012-10-25 2012-10-25 A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit Active CN102872713B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210412384.9A CN102872713B (en) 2012-10-25 2012-10-25 A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210412384.9A CN102872713B (en) 2012-10-25 2012-10-25 A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit

Publications (2)

Publication Number Publication Date
CN102872713A CN102872713A (en) 2013-01-16
CN102872713B true CN102872713B (en) 2016-06-22

Family

ID=47474360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210412384.9A Active CN102872713B (en) 2012-10-25 2012-10-25 A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit

Country Status (1)

Country Link
CN (1) CN102872713B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103285722B (en) * 2013-06-06 2015-01-07 浙江晋巨化工有限公司 Highly sulfur-containing pressurized shifted gas wet-process desulphurization technique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732977A (en) * 2010-01-20 2010-06-16 东南大学 Device and method for enhancing removal of fine particle substances in flue gas desulfurization process of fire coal
CN201912887U (en) * 2011-01-26 2011-08-03 云南冶金(美国)科技有限公司 Horizontal type desulfurization tower
CN203253337U (en) * 2012-10-25 2013-10-30 北京三聚环保新材料股份有限公司 Desulfurization and regeneration apparatus adopting gas conveying pipeline to remove hydrogen sulfide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732977A (en) * 2010-01-20 2010-06-16 东南大学 Device and method for enhancing removal of fine particle substances in flue gas desulfurization process of fire coal
CN201912887U (en) * 2011-01-26 2011-08-03 云南冶金(美国)科技有限公司 Horizontal type desulfurization tower
CN203253337U (en) * 2012-10-25 2013-10-30 北京三聚环保新材料股份有限公司 Desulfurization and regeneration apparatus adopting gas conveying pipeline to remove hydrogen sulfide

Also Published As

Publication number Publication date
CN102872713A (en) 2013-01-16

Similar Documents

Publication Publication Date Title
CN101831333B (en) Method for desulphurizing natural gas in oil and gas fields
CN202169137U (en) Integrated device for ammonia method simultaneous desulfurization and denitrification technology of flue gas
CN205145935U (en) Crossing current of being applied to flue gas desulfurization absorbs equipment
CN204170601U (en) A kind of FCC regeneration flue gas desulfurization denitrification apparatus
CN203253337U (en) Desulfurization and regeneration apparatus adopting gas conveying pipeline to remove hydrogen sulfide
CN103301740B (en) Two-stage absorbs differential desulfurizing tower
CN102872713B (en) A kind of utilize gas transmission pipeline elimination the desulfurization of hydrogen sulfide, regenerating unit
CN202007218U (en) Wet-oxidation, desulfurization, absorption and reaction tower for natural gas
CN202876649U (en) Device for removing hydrogen sulfide in gas by utilizing gas delivery pipeline
CN102886198B (en) A kind of device that utilizes gas transmission pipeline to remove hydrogen sulfide in gas
CN102580504A (en) Novel ammonia desulphurization absorption device
CN202605978U (en) Cyclic desulfurization absorption tower for organic amines
CN203183906U (en) Desulphurization device used for purifying gases
CN104815527A (en) Inducing type dynamic wave washing tower device
CN202590600U (en) Desulfurization device for preparing ammonium bisulfite solution through ammonia process
CN204193780U (en) A kind of high-efficiency desulfurization absorption tower
CN202237786U (en) Tangent circle type spiral injection wet flue gas desulphurization device
CN203235408U (en) Desulfurizer
CN103111164B (en) A kind of devulcanizer
CN102423619B (en) Composite seawater desulfurization apparatus
CN202527058U (en) Demisting and desulfurizing tower
CN103111175B (en) A kind of desulfurizer for purifying gas
CN203447978U (en) Two-stage absorbing differential desulfurizing tower
CN204017670U (en) Composite catalyzing desulfurizing tanning extract device
CN104888586B (en) Method and device for flue gas desulfurization by two times of seawater washing

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model