CN102718194A - System for manufacturing sulphur by utilizing carbon and sulfur-containing flue gas - Google Patents
System for manufacturing sulphur by utilizing carbon and sulfur-containing flue gas Download PDFInfo
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- CN102718194A CN102718194A CN201210169481XA CN201210169481A CN102718194A CN 102718194 A CN102718194 A CN 102718194A CN 201210169481X A CN201210169481X A CN 201210169481XA CN 201210169481 A CN201210169481 A CN 201210169481A CN 102718194 A CN102718194 A CN 102718194A
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Abstract
The invention discloses a system, which performs destructive distillation on carbon-containing materials, upgrades the carbon-containing materials, manufactures the upgraded product to active coke and reduces sulphur-dioxide-rich gas into simple-substance sulphur. By adopting the system, the problems of purification of the flue gas caused by burning of the carbon-containing material and resource utilization of purified byproducts are solved, the resource and energy source utilization rates can be improved, the pollution is reduced, and the benefit is increased. The system for manufacturing sulphur by utilizing carbon and sulfur-containing flue gas comprises a flue gas desulfurization assembly, a sulphur production assembly, an upgrading assembly and an active coke production assembly, wherein the flue gas desulfurization assembly is used for adsorbing sulfur dioxide in the flue gas by the active coke, and desorbing the active coke to prepare sulphur-dioxide-rich flue gas; the sulphur-dioxide-rich flue gas is fed into the sulphur production assembly and is manufactured to sulphur; the upgrading assembly is used for producing and upgrading carbon, which is used for the sulphur production assembly and is used as a raw material to be supplied to the active coke production assembly; and the active coke manufactured by the active coke production assembly is used for flue gas desulfurization assembly.
Description
Technical field
The present invention relates to a kind of system that makes sulphur, particularly relate to a kind of system that uses carbonaceous material the sulfurous gas in the sulfur-containing smoke gas to be processed sulphur.
Background technology
Sulfur dioxide pollution is a main aspect of air environmental pollution, and nearly all industrial coal, combustion gas, fuel oil all produce sulfurous gas, and wherein power plant soot fume is the main source of sulfur dioxide emissions.For solving the sulfur dioxide pollution problem of environment, from the 1980s, western developed country has been invented the SO 2 from fume removal methods successively, and wherein the limestone-gypsum wet desulphurization has become the dominance sulfur removal technology; Characteristics such as it has the desulfuration efficiency height, and is stable, and working cost is low are used widely in countries in the world; It is difficult that but this method exists the by-product desulfurated plaster after the desulfurization to handle, and like the coal-fired unit of a 300MW/h, with the coal of sulphur content 1%, per hour uses 8.3 tons of lime powders; Slurries ratio according to 20% lime powder, 80% water calculates, and adds up to 41.5 tons/h of slurries, and thermal power plant moves about 6000 hours year; With the desulfurated plaster that produces ten thousand tons of 4.5-5.0, the disposal of gypsum by product and the problem of dissolving after the desulfurization, processing mode at present for stacking and abandoning; By 2010, the depleted gypsum arrived ten thousand tons of 5000-6000 after the annual desulfurization that becomes to produce, and desulfurated plaster is stacked, developed as one pleases if let alone; Promptly waste resource, land occupation also can produce second environmental pollution.
Summary of the invention
The object of the invention provides a kind of system that utilizes carbon material and sulfur-containing smoke gas to make sulphur, has solved gas cleaning after the combustion of carbonaceous materials and the resource utilization issue that purifies the back sub product, can improve resource and energy utilization rate, reduces and pollutes, and increases benefit.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur; Comprise flue gas desulfurization assembly, sulphur production assembly, upgrading assembly and activated coke production assembly, the flue gas desulfurization assembly comprises adsorption tower, Analytic Tower and the first screening cleaning apparatus, and the discharge port of adsorption tower is connected with the opening for feed of Analytic Tower; The discharge port of Analytic Tower is communicated with the opening for feed of the first screening cleaning apparatus; The discharge port of the first screening cleaning apparatus is communicated with the opening for feed of adsorption tower, and sulphur is produced assembly and comprised elemental sulfur reaction unit, elemental sulfur tripping device and carbon material drying installation, and the top of elemental sulfur reaction unit and bottom are respectively arranged with first opening for feed and first discharge port; Be provided with heating unit in the elemental sulfur reaction unit; The sidewall of elemental sulfur reaction unit is provided with thermal insulation layer, also offers first inlet mouth and first air outlet on the elemental sulfur reaction unit, and first inlet mouth of elemental sulfur reaction unit and the distance between first air outlet are more than or equal to 2 meters; First inlet mouth of elemental sulfur reaction unit is communicated with the air outlet of the rich sulfur dioxide gas of the output of Analytic Tower; First air outlet of elemental sulfur reaction unit is communicated with the elemental sulfur tripping device, and the elemental sulfur tripping device is second fixed-bed reactor, and the top of second fixed-bed reactor is provided with the second material seal apparatus; The bottom of second fixed-bed reactor is provided with orifice plate; Left back or the front and back of orifice plate are obliquely installed, and second material seal apparatus of second fixed-bed reactor and the zone between the orifice plate constitute cooling chamber, and the top of second fixed-bed reactor and bottom are respectively arranged with second opening for feed and elemental sulfur relief outlet; The sidewall of second fixed-bed reactor is provided with second discharge port, second inlet mouth and second air outlet; Second discharge port of second fixed-bed reactor, second inlet mouth and second air outlet all are positioned on the sidewall of cooling chamber, and second discharge port is positioned at the bottom of cooling chamber sidewall, and second inlet mouth is positioned at the top of orifice plate; And be positioned at the middle part of cooling chamber sidewall; Second air outlet is positioned at the top of cooling chamber sidewall, and second inlet mouth of second fixed-bed reactor is communicated with first air outlet of elemental sulfur reaction unit, and second opening for feed of second fixed-bed reactor is connected with the discharge port of carbon material drying installation; Second air outlet of second fixed-bed reactor is communicated with the inlet mouth of carbon material drying installation, and the exhanst gas outlet of Analytic Tower is communicated with the inlet mouth of carbon material drying installation.The upgrading assembly comprises device for improving quality, cleaning apparatus and combustion unit; The air outlet of device for improving quality is connected with the inlet mouth of combustion unit through cleaning apparatus, is provided with air heat exchanger in the combustion unit, and air heat exchanger is provided with inlet mouth and first, second air outlet; First air outlet of air heat exchanger is connected with the inlet mouth of device for improving quality; Second air outlet of air heat exchanger is communicated with the inlet mouth of Analytic Tower, and the air outlet of combustion unit is communicated with the inlet mouth of carbon material drying installation, and the discharge port of device for improving quality is communicated with first opening for feed of elemental sulfur reaction unit; Second discharge port is connected with the opening for feed of device for improving quality; Activated coke is produced assembly and is comprised fuel pulverizing plant, mixing device, prilling granulator, carbonizing apparatus and activating apparatus, and the opening for feed of fuel pulverizing plant is communicated with the discharge port of device for improving quality, and the discharge port of fuel pulverizing plant is communicated with the opening for feed of mixing device; The discharge port of mixing device is communicated with the opening for feed of prilling granulator; The discharge port of prilling granulator is communicated with the opening for feed of carbonizing apparatus, and the discharge port of carbonizing apparatus is communicated with the opening for feed of activating apparatus, and the discharge port of activating apparatus is communicated with the opening for feed of the first screening cleaning apparatus.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur; Wherein said elemental sulfur reaction unit is first fixed-bed reactor; The upper and lower of first fixed-bed reactor is respectively arranged with the first material loading seal apparatus and the first blanking seal apparatus; First inlet mouth is positioned at the below of the first material loading seal apparatus, and first air outlet is positioned at the top of the first blanking seal apparatus, and first inlet mouth is positioned at the top of first air outlet.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur, and wherein said elemental sulfur reaction unit is a moving-burden bed reactor, and first inlet mouth is positioned at the top of moving-burden bed reactor, and first air outlet is positioned at the bottom of moving-burden bed reactor.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur; Wherein said activated coke is produced assembly and is also comprised waste heat boiler; The vapour outlet of waste heat boiler is communicated with the inlet mouth of activating apparatus; The air outlet of activating apparatus is communicated with the inlet mouth of waste heat boiler, and the air outlet of carbonizing apparatus is communicated with the inlet mouth of waste heat boiler, and the air outlet of waste heat boiler is communicated with the inlet mouth of carbon material drying installation.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur, and the air inlet of wherein said combustion unit is communicated with first air outlet of air heat exchanger.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur, and the solid phase outlet of wherein said cleaning apparatus is communicated with the opening for feed of fuel pulverizing plant.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur, and the discharge port of wherein said adsorption tower is connected with the opening for feed of Analytic Tower through the second screening cleaning apparatus.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur, and wherein said sulphur is produced assembly and also comprised the 3rd screening cleaning apparatus, and first discharge port of elemental sulfur reaction unit is connected with the 3rd screening cleaning apparatus.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur; Also comprise the cooling screening plant; Second discharge port of second fixed-bed reactor is connected with the opening for feed of device for improving quality through the cooling screening plant; The solid phase outlet of cooling screening plant is connected with the opening for feed of device for improving quality, and the liquid phase outlet of cooling screening plant is connected with the sulphur refining plant, and wherein the elemental sulfur relief outlet of second fixed-bed reactor is connected with the sulphur refining plant.Through the cooling screening plant is set, can the elemental sulfur that be mingled with in the preheating carbon material particle of discharging in second discharge port be separated, send into the sulphur refining plant and process sulphur.
The present invention utilizes carbon material and sulfur-containing smoke gas to make the system of sulphur; The air outlet of wherein said carbon material drying installation is connected with first chimney through fly-ash separator; The discharge port of carbon material drying installation is communicated with second opening for feed of elemental sulfur tripping device through the 4th screening cleaning apparatus, and the air outlet of adsorption tower is communicated with second chimney.
System's difference from prior art that the present invention utilizes carbon material and sulfur-containing smoke gas to make sulphur is that the present invention makes power-plant flue gas become rich sulfur dioxide flue gas through the adsorption tower and the Analytic Tower of flue gas desulfurization assembly, and the content of sulfur dioxide in the wherein rich sulfur dioxide flue gas can reach more than 20%, and rich sulfur dioxide flue gas enters into the elemental sulfur reaction unit that sulphur is produced assembly through first inlet mouth of elemental sulfur reaction unit; In the elemental sulfur reaction unit, be provided with heating unit, upgrading brown coal and sulfur-containing smoke gas are heated to 650-800 degree centigrade, fixed carbon is reduced to the gaseous sulfur element with sulfur in smoke; The brown coal carbon granule forms the sulfonation raw material of wood-charcoal, and the gaseous sulfur element gets in the cooling chamber of second fixed-bed reactor, and the gas that contains the gaseous state element sulphur is cooled dry brown coal in the chamber but to 200-400 degree centigrade; After being cooled, the gaseous sulfur element forms the liquid sulfur element; After the orifice plate that is provided with through the bottom of second fixed-bed reactor filters, flow out, form simple substance sulphur from the elemental sulfur relief outlet; Adopt native system; The product that obtains is sulphur and sulfonation raw material of wood-charcoal, and the sulfonation raw material of wood-charcoal can be used for Rare Metals and WWT etc. in softening, the waste water of BW, therefore; Gas cleaning after the combustion of carbonaceous materials and the resource utilization issue that purifies the back sub product have been solved; Can improve resource and energy utilization rate, reduce and pollute, increase benefit.
Below in conjunction with accompanying drawing the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur of the present invention is described further.
Description of drawings
Fig. 1 makes the structural representation of the system implementation example 1 of sulphur for the present invention utilizes carbon material and sulfur-containing smoke gas;
Fig. 2 makes the structural representation of the system implementation example 2 of sulphur for the present invention utilizes carbon material and sulfur-containing smoke gas.
Embodiment
Embodiment 1:
The system that the present invention utilizes carbon material and sulfur-containing smoke gas to make sulphur comprises flue gas desulfurization assembly, sulphur production assembly, upgrading assembly and activated coke production assembly.
As shown in Figure 1; The flue gas desulfurization assembly comprises adsorption tower 1, Analytic Tower 2, the first screening cleaning apparatus 3 and the second screening cleaning apparatus 38; The discharge port of the bottom of adsorption tower 1 is connected with the opening for feed of the second screening cleaning apparatus 38; The discharge port of the second screening cleaning apparatus 38 is connected with the opening for feed at Analytic Tower 2 tops, and the bottom discharge mouth of Analytic Tower 2 is communicated with the opening for feed of the first screening cleaning apparatus 3, and the discharge port of the first screening cleaning apparatus 3 is communicated with the opening for feed at adsorption tower 1 top.The air outlet of adsorption tower 1 is communicated with second chimney 34.
Sulphur is produced assembly and is comprised elemental sulfur reaction unit, elemental sulfur tripping device, carbon material drying installation 4, the 3rd screening cleaning apparatus 39, sulphur refining plant 35 and cooling screening plant 42; The elemental sulfur reaction unit is first fixed-bed reactor 27; The top of first fixed-bed reactor 27 and bottom are respectively arranged with first opening for feed 5 and first discharge port 6; In first fixed-bed reactor 27, be provided with heating unit; This heating unit also can be employed in heat exchanger channels is set in first fixed-bed reactor 27 for adopting the heating jacket of electrically heated or high-temperature flue gas type of heating, utilizes high-temperature flue gas to heat.Sidewall at first fixed-bed reactor 27 is provided with thermal insulation layer, in order to keep the temperature of reaction of first fixed-bed reactor 27, reduces power loss.Also offer first inlet mouth 7 and first air outlet 8 on first fixed-bed reactor 27; Distance between first inlet mouth 7 and first air outlet 8 is more than or equal to 2 meters; In the present embodiment be 2 meters; Be respectively arranged with the first material loading seal apparatus 28 and the first blanking seal apparatus 29 in the upper and lower of first fixed-bed reactor 27, be used for preventing that sulfur-containing smoke gas from overflowing from first opening for feed 5 and first discharge port 6.First inlet mouth 7 is positioned at the below of the first material loading seal apparatus 28, and first air outlet 8 is positioned at the top of the first blanking seal apparatus 29, and first inlet mouth 7 is positioned at the top of first air outlet 8.First discharge port 6 of first fixed-bed reactor 27 is connected with the 3rd screening cleaning apparatus 39, and first inlet mouth 7 of first fixed-bed reactor 27 is communicated with the air outlet of the rich sulfur dioxide gas of the output of Analytic Tower 2.The elemental sulfur tripping device is second fixed-bed reactor 9; The top of second fixed-bed reactor 9 is provided with the second material seal apparatus 10; The bottom of second fixed-bed reactor 9 is provided with orifice plate 11; The aperture of orifice plate 11 is 40 orders, the downward-sloping from right to left setting of orifice plate 11, also downward-sloping setting from left to right, from front to back or from back to front of orifice plate 11 certainly.Second material seal apparatus 10 of second fixed-bed reactor 9 and the zone between the orifice plate 11 constitute cooling chamber 12; The top of second fixed-bed reactor 9 and bottom are respectively arranged with second opening for feed 13 and elemental sulfur relief outlet 14, and elemental sulfur relief outlet 14 is connected with sulphur refining plant 35.The sidewall of second fixed-bed reactor 9 is provided with second discharge port 15, second inlet mouth 16 and second air outlet 17; Second discharge port 15, second inlet mouth 16 and second air outlet 17 of second fixed-bed reactor 9 all are positioned on the sidewall of cooling chamber 12; Second discharge port 15 is positioned at the bottom of cooling chamber 12 sidewalls; Second inlet mouth 16 is positioned at the top of orifice plate 11; And be positioned at the middle part of cooling chamber 12 sidewalls, second inlet mouth 16 is communicated with first air outlet 8 of first fixed-bed reactor 27, and second air outlet 17 is positioned at the top of cooling chamber 12 sidewalls; Second opening for feed 13 of second fixed-bed reactor 9 is communicated with the discharge port of carbon material drying installation 4 through the 4th screening cleaning apparatus 40, and second air outlet 17 of second fixed-bed reactor 9 is communicated with the inlet mouth of carbon material drying installation 4.The air outlet of carbon material drying installation 4 is connected with first chimney 33 through fly-ash separator 32, and fly-ash separator 32 can be sack cleaner, electric precipitator etc.The exhanst gas outlet of Analytic Tower 2 is communicated with the discharge port of carbon material drying installation 4.The material seal apparatus that uses in the present embodiment is made up of the funnel-shaped container of continuous distribution, in the outlet of the lower end of each funnel-shaped container, all connects the tubule of a certain-length, realizes the material envelope through the material of continuous flow.
The upgrading assembly comprises device for improving quality 18, cleaning apparatus 19 and combustion unit 20; Device for improving quality 18 is the upgrading tower; The air outlet of device for improving quality 18 is connected with the inlet mouth of combustion unit 20 through cleaning apparatus 19; The discharge port of device for improving quality 18 is communicated with first opening for feed 5 of elemental sulfur reaction unit, and combustion unit 20 internal fixing are equipped with air heat exchanger 21, and air heat exchanger 21 is provided with inlet mouth and first, second air outlet; First air outlet of air heat exchanger 21 is connected with the inlet mouth of device for improving quality 18, and first air outlet of air heat exchanger 21 also is communicated with the air inlet of combustion unit 20.Second air outlet of air heat exchanger 21 is communicated with the inlet mouth of Analytic Tower 2, and the air outlet of combustion unit 20 is communicated with the inlet mouth of carbon material drying installation 4.Second discharge port 15 of second fixed-bed reactor 9 is connected with the opening for feed of device for improving quality 18 through cooling screening plant 42; The solid phase outlet of cooling screening plant 42 is connected with the opening for feed of device for improving quality 18, and the liquid phase outlet of cooling screening plant 42 is connected with sulphur refining plant 35.
Activated coke is produced assembly and is comprised fuel pulverizing plant 22, mixing device 23, prilling granulator 24, carbonizing apparatus 25, activating apparatus 26 and waste heat boiler 31; The opening for feed of fuel pulverizing plant 22 is communicated with the discharge port of device for improving quality 18; The opening for feed of fuel pulverizing plant 22 also is communicated with the solid phase outlet of cleaning apparatus 19; The discharge port of fuel pulverizing plant 22 is communicated with the opening for feed of mixing device 23; The discharge port of mixing device 23 is communicated with the opening for feed of prilling granulator 24; The discharge port of prilling granulator 24 is communicated with the opening for feed of carbonizing apparatus 25, and the discharge port of carbonizing apparatus 25 is communicated with the opening for feed of activating apparatus 26, and the discharge port of activating apparatus 26 is communicated with the opening for feed of the first screening cleaning apparatus 3.The vapour outlet of waste heat boiler 31 is communicated with the inlet mouth of activating apparatus 26; The air outlet of activating apparatus 26 is communicated with the inlet mouth of waste heat boiler 31; The air outlet of carbonizing apparatus 25 is communicated with the inlet mouth of waste heat boiler 31, and the air outlet of waste heat boiler 31 is communicated with the inlet mouth of carbon material drying installation 4.Carbon material in the present embodiment uses brown coal, and the carbon material also can adopt bituminous coal, hard coal, destructive distillation plant etc. certainly.
The principle of work of present embodiment is:
After the activated coke absorption sulfur in smoke in the adsorption tower 1 in the flue gas desulfurization assembly, under the catalysis of activated coke surface functional group, oxidizing sulfur dioxide is become sulphur trioxide and becomes sulfuric acid with hydration; Be adsorbed in the activated coke, activated coke drops down onto the second screening cleaning apparatus 38 from the discharge port of adsorption tower bottom, after the screening dedusting; The activated coke particle is delivered to Analytic Tower 2 through travelling belt, after activated coke gets into Analytic Tower 2, by indirect heating to 400 degree centigrade; The sulfuric acid that is adsorbed in the activated coke resolves into sulphur trioxide, and reacts with the contained fixed carbon of activated coke, is reduced into sulfurous gas; The rich sulfur dioxide gas (R.G) that the reduction back forms gets into first fixed-bed reactor 27 from the air outlet of Analytic Tower 2; Simultaneously, regenerated activated coke (R.A) falls into the first screening cleaning apparatus 3 from the discharge port of Analytic Tower 2 after resolving, after the screening dedusting; Activated coke particle (R.A) is delivered to the opening for feed of adsorption tower 1 through travelling belt, continue with adsorption tower 1 in power plant's cigarette machine reaction.Because after activated coke is come out from adsorption tower 1; Through processes such as screening dedusting, parsing regeneration, activated coke must have minimizing in various degree, therefore; Activated coke is set produces assembly; The opening for feed of the discharge port of the activating apparatus 26 through wherein and the first screening cleaning apparatus 3 is communicated with, and in time additional new activated coke (N.A) is to satisfy in the adsorption tower requirement to the amount of activated coke.Upgrading brown coal particle (M.I) (by the device for improving quality production of upgrading assembly) in first fixed-bed reactor 27 is under the effect of heating unit; The rich sulfur dioxide gas (R.G) of output is heated to 650 to 800 degrees centigrade in Analytic Tower 2; Sulfurous gas and fixed carbon reaction; Generate the gaseous sulfur element, its reaction formula does
C+SO
2→S+CO
2
The reacted gas that contains the gaseous state element sulphur is through first air outlet 8 of first fixed-bed reactor 27, second inlet mouth 16 of second fixed-bed reactor 9; Get in the cooling chamber 12 of second fixed-bed reactor 9; The dry brown coal particles that the gas that contains the gaseous state element sulphur is cooled in the chamber 12 are cooled to 200-400 degree centigrade; After being cooled, the gaseous sulfur element forms the liquid sulfur element, after the orifice plate 11 that is provided with through the bottom of second fixed-bed reactor 9 filters, after 14 outflows of elemental sulfur relief outlet; Get into sulphur refining plant 35, be made into sulphur.In the cooling chamber 12 of second fixed-bed reactor 9 by the 200-400 of preheating degree centigrade brown coal particle (H.I); After second discharge port 15 is discharged; Through 42 screenings of cooling screening plant; Brown coal particle (H.I) is delivered to the device for improving quality 18 of upgrading assembly from the solid phase outlet output of cooling screening plant 42 through travelling belt.The a small amount of elemental sulfur that wherein contains in the brown coal particle (H.I) gets into sulphur refining plant 35 through the liquid phase outlet of cooling screening plant 42, is used to produce sulphur.
In first fixed-bed reactor 27 with smoke reaction after after the sulfonation raw material of wood-charcoal (S.C) that forms discharges from first discharge port 6; Get into the 3rd screening cleaning apparatus 39; After the screening dedusting, form sulfonation raw material of wood-charcoal particle and powder, be used for the softening of BW, waste water Rare Metals and WWT etc. behind sulfonation raw material of wood-charcoal particle and the powder packaging.200-300 degree centigrade waste gas (FG4) behind the heating brown coal carbon granule is transported to carbon material drying installation 4, is used for dry brown coal.Powdery upgrading brown coal (H.I) powder process that activated coke is produced collection in upgrading brown coal particle (H.I) that the fuel pulverizing plant 22 in the assembly produces device for improving quality 18 and the cleaning apparatus 19 mixes the coal dust that makes through mixing device 23 then with tamanori, through prilling granulator 24 mixture is processed pulverized coal particle; Send into carbonizing apparatus 25 then; In converter, carry out charing and handle, the carbonized material that again carbonizing apparatus 25 is generated is sent into activating apparatus 26; As handling in the slewing type multifunctional activation furnace; Process activated coke, send into the first screening cleaning apparatus 3, in time in adsorption tower 1, replenish new activated coke.In the combustion unit 20 in the upgrading assembly air heat exchanger 21 is set; Air heat exchanger 21 sucks air from inlet mouth; After combustion unit 20 heating; From first, second air outlet output, first air outlet of air heat exchanger 21 is input to device for improving quality 18 and combustion unit 20 with empty (H.A1) gas of 300-400 degree centigrade heat, is used for the upgrading brown coal and promotes burning.Analytic Tower 2 is imported with 550-600 degree centigrade warm air (H.A2) in second air outlet of air heat exchanger 21, is used to heat activated coke.
The waste gas (FG4) that the waste gas (FG3) that the waste gas (FG2) of the waste gas (FG1) that combustion unit 20 produces in the present embodiment, waste heat boiler 31 outputs, Analytic Tower 2 produce and second fixed-bed reactor 9 produce; These 200-300 degrees centigrade waste gas all outputs in the carbon material drying installation 4 and is used for dry brown coal; Flue gas behind the dry brown coal is discharged from carbon material drying installation 4; After getting into sack cleaner 32 dedustings, from first chimney 33, discharge.Power-plant flue gas (FG5) also can directly output in the carbon material drying installation 4.
Annual No. 6 brown coal that add 800,000 tons can obtain 640,000 tons dry brown coal, wherein 320,000 tons dry brown coal export trade in the carbon material drying installation 4 of this enforcement; Other 320,000 tons dry brown coal add in second fixed-bed reactor 9, are used to produce elemental sulfur, and the dry brown coal after the preheating are sent into device for improving quality 18; After upgrading, 100,000 tons of upgrading brown coal particles are sent in first fixed-bed reactor 27, and 80,000 tons of upgrading brown coal are used to make activated coke; 40,000 tons of activated coke that obtain; The first screening cleaning apparatus 3 is sent in wherein 20,000 tons of activated coke export trades, other 20,000 tons of activated coke, is used for adsorbing the sulfurous gas of power-plant flue gas.Combustion unit 20 needs annual 40000 tons of No. 5 coals of mending when using.The flue gas that uses in the present embodiment can certainly be sulfur-containing smoke gas such as other coal-fired flue-gas and gas from oil burning for through the power-plant flue gas after electric dust collector 50 dedustings.
Embodiment 2:
As shown in Figure 2; The difference of present embodiment and embodiment 1 only is that the elemental sulfur reaction unit is a moving-burden bed reactor 30; First inlet mouth 7 is positioned at the top of moving-burden bed reactor 30; First air outlet 8 is positioned at the bottom of moving-burden bed reactor 30, and first air outlet 8 is communicated with second inlet mouth 16 of second fixed-bed reactor 9, and first inlet mouth 7 is communicated with the air outlet of Analytic Tower 2.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. system that utilizes carbon material and sulfur-containing smoke gas to make sulphur is characterized in that: comprise that flue gas desulfurization assembly, sulphur produces assembly, upgrading assembly and activated coke and produce assembly,
Said flue gas desulfurization assembly comprises adsorption tower (1), Analytic Tower (2) and the first screening cleaning apparatus (3); The discharge port of said adsorption tower (1) is connected with the opening for feed of Analytic Tower (2); The discharge port of said Analytic Tower (2) is communicated with the opening for feed of the said first screening cleaning apparatus (3); The discharge port of the said first screening cleaning apparatus (3) is communicated with the opening for feed of said adsorption tower (1)
Said sulphur is produced assembly and is comprised elemental sulfur reaction unit, elemental sulfur tripping device and carbon material drying installation (4); The top of said elemental sulfur reaction unit and bottom are respectively arranged with first opening for feed (5) and first discharge port (6); Be provided with heating unit in the said elemental sulfur reaction unit; The sidewall of said elemental sulfur reaction unit is provided with thermal insulation layer; Also offer first inlet mouth (7) and first air outlet (8) on the said elemental sulfur reaction unit; First inlet mouth (7) of said elemental sulfur reaction unit and the distance between first air outlet (8) are more than or equal to 2 meters; First inlet mouth (7) of said elemental sulfur reaction unit is communicated with the air outlet of the rich sulfur dioxide gas of the output of Analytic Tower (2); First air outlet (8) of said elemental sulfur reaction unit is communicated with said elemental sulfur tripping device; Said elemental sulfur tripping device is second fixed-bed reactor (9), and the top of said second fixed-bed reactor (9) is provided with the second material seal apparatus (10), and the bottom of said second fixed-bed reactor (9) is provided with orifice plate (11); Left back or the front and back of said orifice plate (11) are obliquely installed; Second material seal apparatus (10) of said second fixed-bed reactor (9) and the zone between the orifice plate (11) constitute cooling chamber (12), and the top of said second fixed-bed reactor (9) and bottom are respectively arranged with second opening for feed (13) and elemental sulfur relief outlet (14), and the sidewall of said second fixed-bed reactor (9) is provided with second discharge port (15), second inlet mouth (16) and second air outlet (17); Second discharge port (15) of said second fixed-bed reactor (9), second inlet mouth (16) and second air outlet (17) all are positioned on the sidewall of cooling chamber (12); Said second discharge port (15) is positioned at the bottom of cooling chamber (12) sidewall, and said second inlet mouth (16) is positioned at the top of orifice plate (11), and is positioned at the middle part of cooling chamber (12) sidewall; Said second air outlet (17) is positioned at the top of cooling chamber (12) sidewall; Second inlet mouth (16) of said second fixed-bed reactor (9) is communicated with first air outlet (8) of said elemental sulfur reaction unit, and second opening for feed (13) of said second fixed-bed reactor (9) is connected with the discharge port of carbon material drying installation (4), and second air outlet of said second fixed-bed reactor (9) is communicated with the inlet mouth of said carbon material drying installation (4); The exhanst gas outlet of Analytic Tower (2) is communicated with the inlet mouth of said carbon material drying installation (4)
Said upgrading assembly comprises device for improving quality (18), cleaning apparatus (19) and combustion unit (20); The air outlet of said device for improving quality (18) is connected with the inlet mouth of combustion unit (20) through cleaning apparatus (19); Be provided with air heat exchanger (21) in the said combustion unit (20); Said air heat exchanger (21) is provided with inlet mouth and first, second air outlet; First air outlet of air heat exchanger (21) is connected with the inlet mouth of device for improving quality (18); Second air outlet of said air heat exchanger (21) is communicated with the inlet mouth of said Analytic Tower (2), and the air outlet of said combustion unit (20) is communicated with the inlet mouth of said carbon material drying installation (4), and the discharge port of said device for improving quality (18) is communicated with first opening for feed (5) of said elemental sulfur reaction unit; Said second discharge port (15) is connected with the opening for feed of device for improving quality (18)
Said activated coke is produced assembly and is comprised fuel pulverizing plant (22), mixing device (23), prilling granulator (24), carbonizing apparatus (25) and activating apparatus (26); The opening for feed of said fuel pulverizing plant (22) is communicated with the discharge port of device for improving quality (18); The discharge port of said fuel pulverizing plant (22) is communicated with the opening for feed of mixing device (23); The discharge port of said mixing device (23) is communicated with the opening for feed of prilling granulator (24); The discharge port of prilling granulator (24) is communicated with the opening for feed of carbonizing apparatus (25); The discharge port of said carbonizing apparatus (25) is communicated with the opening for feed of activating apparatus (26), and the discharge port of said activating apparatus (26) is communicated with the opening for feed of the said first screening cleaning apparatus (3).
2. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 1; It is characterized in that: said elemental sulfur reaction unit is first fixed-bed reactor (27); The upper and lower of said first fixed-bed reactor (27) is respectively arranged with the first material loading seal apparatus (28) and the first blanking seal apparatus (29); Said first inlet mouth (7) is positioned at the below of the first material loading seal apparatus (28); Said first air outlet (8) is positioned at the top of the first blanking seal apparatus (29), and said first inlet mouth (7) is positioned at the top of first air outlet (8).
3. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 1; It is characterized in that: said elemental sulfur reaction unit is moving-burden bed reactor (30); Said first inlet mouth (7) is positioned at the top of moving-burden bed reactor (30), and said first air outlet (8) is positioned at the bottom of moving-burden bed reactor (30).
4. according to each described system that utilizes carbon material and sulfur-containing smoke gas to make sulphur of claim 1 to 3; It is characterized in that: said activated coke is produced assembly and is also comprised waste heat boiler (31); The vapour outlet of said waste heat boiler (31) is communicated with the inlet mouth of activating apparatus (26); The air outlet of said activating apparatus (26) is communicated with the inlet mouth of waste heat boiler (31); The air outlet of said carbonizing apparatus (25) is communicated with the inlet mouth of waste heat boiler (31), and the air outlet of said waste heat boiler (31) is communicated with the inlet mouth of carbon material drying installation (4).
5. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 4, it is characterized in that: the air inlet of said combustion unit (20) is communicated with first air outlet of said air heat exchanger (21).
6. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 5 is characterized in that: the solid phase outlet of said cleaning apparatus (19) is communicated with the opening for feed of said fuel pulverizing plant (22).
7. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 6 is characterized in that: the discharge port of said adsorption tower (1) is connected with the opening for feed of Analytic Tower (2) through the second screening cleaning apparatus (38).
8. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 7; It is characterized in that: said sulphur is produced assembly and is also comprised the 3rd screening cleaning apparatus (39), and first discharge port (6) of said elemental sulfur reaction unit is connected with said the 3rd screening cleaning apparatus (39).
9. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 8; It is characterized in that: also comprise cooling screening plant (42); Second discharge port (15) of said second fixed-bed reactor (9) is connected with the opening for feed of device for improving quality (18) through cooling screening plant (42); The solid phase outlet of said cooling screening plant (42) is connected with the opening for feed of device for improving quality (18); The liquid phase outlet of cooling screening plant (42) is connected with sulphur refining plant (35), and the elemental sulfur relief outlet (14) of said second fixed-bed reactor (9) is connected with sulphur refining plant (35).
10. the system that utilizes carbon material and sulfur-containing smoke gas to make sulphur according to claim 9; It is characterized in that: the air outlet of said carbon material drying installation (4) is connected with first chimney (33) through fly-ash separator (32); The discharge port of carbon material drying installation (4) is communicated with second opening for feed (13) of said elemental sulfur tripping device through the 4th screening cleaning apparatus (40), and the air outlet of said adsorption tower (1) is communicated with second chimney (34).
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| CN201210169481.XA CN102718194B (en) | 2012-05-28 | 2012-05-28 | System for manufacturing sulphur by utilizing carbon and sulfur-containing flue gas |
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| CN201210169481.XA CN102718194B (en) | 2012-05-28 | 2012-05-28 | System for manufacturing sulphur by utilizing carbon and sulfur-containing flue gas |
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| CN102718194A true CN102718194A (en) | 2012-10-10 |
| CN102718194B CN102718194B (en) | 2014-04-09 |
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| CN103303872A (en) * | 2013-07-04 | 2013-09-18 | 陕西智惠环保科技有限公司 | System device and method for recycling sulfur dioxide from fume to prepare sulfur |
| CN103537187A (en) * | 2013-10-24 | 2014-01-29 | 北京诺曼斯佰环保科技有限公司 | Sulfur dioxide enriched gas purification system and method for preparing sulfur by gas purification |
| CN105148681A (en) * | 2015-09-29 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Sintering and pelletizing fume absorption and blanking device |
| CN108163816A (en) * | 2017-12-29 | 2018-06-15 | 山东大学 | A kind of charcoal heat-also Primordial Qi coupling reduction SO2The device and method for preparing sulphur |
| CN108178131A (en) * | 2017-12-29 | 2018-06-19 | 山东大学 | Utilize SO in active coke desulphurizing regeneration gas2The fluidized bed plant and method of Recovered sulphur |
| WO2020024350A1 (en) * | 2018-08-03 | 2020-02-06 | 山东大学 | System and method for recovering sulfur during copper smelting process |
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| CN108163816A (en) * | 2017-12-29 | 2018-06-15 | 山东大学 | A kind of charcoal heat-also Primordial Qi coupling reduction SO2The device and method for preparing sulphur |
| CN108178131A (en) * | 2017-12-29 | 2018-06-19 | 山东大学 | Utilize SO in active coke desulphurizing regeneration gas2The fluidized bed plant and method of Recovered sulphur |
| CN108178131B (en) * | 2017-12-29 | 2020-01-03 | 山东大学 | SO in regenerated gas by active coke desulfurization2Fluidized bed device and method for recovering sulfur |
| WO2020024350A1 (en) * | 2018-08-03 | 2020-02-06 | 山东大学 | System and method for recovering sulfur during copper smelting process |
| US11286162B2 (en) | 2018-08-03 | 2022-03-29 | Shandong University | System and method for recovering sulfur in copper smelting process |
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