CN102145245B - Large active coke convection/adsorption gas purifying system and purifying method - Google Patents
Large active coke convection/adsorption gas purifying system and purifying method Download PDFInfo
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 109
- 239000000571 coke Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 12
- 230000001172 regenerating effect Effects 0.000 claims abstract description 5
- 239000003546 flue gas Substances 0.000 claims description 88
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 87
- 239000007789 gas Substances 0.000 claims description 62
- 238000009826 distribution Methods 0.000 claims description 49
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- 238000007599 discharging Methods 0.000 claims description 21
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 230000023556 desulfurization Effects 0.000 claims description 18
- 238000000746 purification Methods 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 5
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- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
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- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000018109 developmental process Effects 0.000 description 2
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Abstract
The invention relates to large active coke convection/adsorption gas purifying system and a purifying method. The purifying system comprises an adsorption device, a first conveying device, an analyzing device and a second conveying device, wherein active coke for adsorbing gas is arranged in the adsorption device which is used for adsorbing gas, conveying the active coke with saturated adsorptionto the analyzing device through the first conveying device, and exhausting the purified gas; and the analyzing device is used for regenerating the active coke with saturated adsorption and conveying the regenerated active coke to the adsorption device through the second conveying device for reuse. The large active coke convection/adsorption gas purifying system provided by the invention is a complete industrial device which is perfect in the aspects of smoke purifying capability, purifying effect, device structure, energy conservation and consumption reduction, production control and the like.
Description
Technical field
The present invention relates to a kind of cleaning system, relate in particular to a kind of large-scale active coke convection/adsorption gas purifying system.
Background technology
Present domestic gas cleaning when consuming a large amount of former water and lime stone, generates desulfurated plaster mainly take wet method as main.The rich coal water-deficient area in the northwest, water resource becomes the bottleneck that purifies at anhydrous regional power-plant flue gas, has seriously restricted construction and the development of power plant.Simultaneously, in the recovery process of limestone mine, produce a large amount of roach stone, dust, waste gas, waste water, noise and seismic wave etc., not only caused the loss of water and soil, and heavy damage the ecological balance.The desulfurated plaster that generates adopts the processing method of abandoning to take a large amount of soils, and desulfurated plaster can infiltrate soil, after stain earth's surface, farmland and underground water, thereby causes secondary pollution.
Therefore, seek both can maximize, not water consumption, do not produce secondary pollution, the purifying smoke technology that can reclaim again the sulphur resource is the fundamental solution that addresses these problems, wherein active coke dry-method desulfuration is exactly a kind ofly to select preferably.
Application of active coke, activated coke are carried out gas cleaning research and have been carried out for many years, and early stage technical research and application mainly concentrate on Germany, Japan and the U.S..Along with the development and maturation of activated coke purification techniques, every country has all formed the flue gases purification with own characteristic.Wherein, more representational is BF method, Reinluft method, the Lurgi method of Germany; The day legislation of Japan, Sumitomo method; The Westraco method of the U.S..Along with going deep into of research, activated coke has occupied with advantages such as good adsorptivity, processability, regenerating stability the leading position that the carbon method purifies gradually.External existing scale is 180 * 10 at present
4m
3The active coke desulphurizing device of/h, its problem that shows are owing to adopting the cross-flow adsorption technology, causing smoke distribution bad, adsorb inhomogeneously, and the activated coke utilization rate is low; And utilization rate of equipment and installations is low, maintenance is large; With the power plant unit capacity ratio that China need to purify at present, scale is large not.
Domestic active coke desulphurizing technology is started late, and is main mainly with pilot-plant and compact applications.Ubiquity following problem: disposal ability is less than normal, and the driving cycle is short, and device structure is complicated, and the activated coke consumption is large, and operating cost is high, can't adapt to the needs of extensive flue gas processing and the popularization in market.
Summary of the invention
The present invention is directed to domestic active coke desulphurizing technology is main mainly with pilot-plant and compact applications, and exist disposal ability less than normal, the driving cycle is short, device structure is complicated, the activated coke consumption is large, operating cost is high, can't adapt to the deficiency of the popularization in needs that extensive flue gas processes and market, and a kind of large-scale active coke convection/adsorption gas purifying system is provided.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of large-scale active coke convection/adsorption gas purifying system comprises adsorption plant, the first conveying equipment, analyzing device and the second conveying equipment; The in-built activated coke that is useful on the absorption flue gas of described adsorption plant be used for the absorption flue gas and will adsorb saturated activated coke being delivered to analyzing device by the first conveying equipment, and the flue gas after purifying is discharged; Described analyzing device is used for adsorbing saturated activated coke regenerates, and the activated coke after regenerating is delivered to adsorption plant by the second conveying equipment and recycles;
Described adsorption plant comprises the front smoke air inlet of purification, purifies flue gas gas outlet, ammonia air inlet, the first charging surge bunker, distributing device, the first flue gas even distribution device, the second flue gas even distribution device, collector, denitrogenation adsorption layer, desulfurization adsorption layer and discharging surge bunker afterwards; Before described purification, smoke air inlet, the rear flue gas gas outlet of purification and ammonia air inlet all are positioned on the same side of adsorption plant, described purifying smoke air inlet is positioned at the below of the second flue gas even distribution device, after described purification, the flue gas gas outlet is positioned at the top of denitrogenation adsorption layer, and described ammonia air inlet is between denitrogenation adsorption layer and desulfurization adsorption layer; Described the first charging surge bunker is positioned at the upper left side of adsorption plant, and it comprises the first charging aperture and the first discharging opening; Described distributing device is arranged at the top of denitrogenation adsorption layer and can does above the denitrogenation adsorption layer and moves back and forth; Described the first flue gas even distribution device is arranged at the below of denitrogenation adsorption layer and is arranged at the top of desulfurization adsorption layer; Described desulfurization adsorption layer is arranged at the below of the first flue gas even distribution device and is arranged at the top of the second flue gas even distribution device; Described collector is arranged at the below of the second flue gas even distribution device and can does below the second flue gas even distribution device and moves back and forth; Described discharging surge bunker is positioned at the lower right of adsorption plant, and it comprises the second charging aperture and the second discharging opening;
Described the second flue gas even distribution device comprises a plurality of the second flue gas even distribution device unit, described the second flue gas even distribution device unit is comprised of the first side plate, the second side plate and the 3rd side plate, described the first side plate is relative with the second side plate and be obliquely installed, described the first side plate and the second side plate form upper shed and under shed, and the size of upper shed is greater than the size of under shed, described the 3rd side plate is obliquely installed and is connected with the first side plate and forms the space that holds activated coke, and between described the 3rd side plate and the second side plate, the interval arranges and forms flue gas and active coke convection mouth.
The invention has the beneficial effects as follows: the large-scale active coke convection/adsorption gas purifying system of the present invention is a kind of complete commercial plant, at the device capability that purifies flue dust, and clean-up effect, device structure, energy-saving and cost-reducing, the aspects such as production control reach perfect.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described the first flue gas even distribution device comprises a plurality of the first flue gas even distribution device unit, and described the first flue gas even distribution device unit is funnel shaped, and wherein the charging aperture of funnel is positioned at denitrogenation adsorption layer below, and the desulfurization adsorption layer is positioned at the below of the discharging opening of funnel.
Further, described analyzing device comprises charging layer, heating analytic sheaf, the cooling layer that is provided with successively from top to bottom and goes out the bed of material; Described charging layer is comprised of the second charging surge bunker and charging lock gas storehouse, and charging lock gas storehouse is arranged on the second charging surge bunker top; Also be provided with the material storage storage above charging lock gas storehouse; Be provided with air discharge ports and inert gas entrance on described the second charging lock gas storehouse; Described heating analytic sheaf comprises one deck the first funnel device and gas circulating heater at least, the gas circulation heater is to be connected in gas outlet on the first funnel device and the heating tube between air inlet, described gas outlet is connected with circulating fan, circulating fan is connected with air bleeding valve, circulating fan also is connected with heat exchanger, heat exchanger is connected with air inlet, also is provided with flow divider valve between described air inlet and heat exchanger; Described cooling layer comprises one deck the second funnel device at least, is provided with the material cooling zone above the second funnel device; Describedly go out the bed of material and formed by blanking surge bunker and blanking lock gas storehouse, the blanking surge bunker be arranged on described cooling layer the first funnel device the below and is communicated with cooling layer, the below that the gas storehouse is arranged on described blanking surge bunker is locked in blanking.
Description of drawings
Fig. 1 is the structural representation of the large-scale active coke convection/adsorption gas purifying system of the present invention;
Fig. 2 is the structural representation of adsorption plant of the present invention;
Fig. 3 is the structural representation of the present invention the second flue gas even distribution device unit;
Fig. 4 is the structural representation of analyzing device of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example only is used for explaining the present invention, is not be used to limiting scope of the present invention.
The activated coke absorption principle
Activated coke absorption is when making flue gas pass through adsorption layer, the SO in flue gas
2, NO
x, O
2Be attracted in the activated coke hole, flue dust is blocked in the activated coke layer.The active coke desulphurizing process take the adsoption catalysis oxidizing process as main, is not singly that the simple physical absorption of conventional activated coke also has the chemisorbed function, under the condition that aerobic G﹠W steam exists, and SO
2Be converted into the H of ADSORPTION STATE at the activated coke inner surface
2SO
4, its chemical equation is as follows:
SO
2+1/2O
2+H
2O=(H
2SO
4)
*
(
*The expression ADSORPTION STATE, lower same)
Pass into NH on the adsorption tower upper strata
3, this moment activated coke as denitrating catalyst, as active group, carry out catalytic reduction reaction with activated coke space lip-deep nitrogenous, oxygen functional group:
NO+NH
3+1/4O
2→N
2+3/2H
2O
NO+NH
xO-AC→N
2+H
2O+OH-AC
AC: activated coke
Activated coke is except to SO
2Have outside stronger adsorption capacity, the adsorption efficiency of HF, HCl is reached more than 50%, the adsorption efficiency of dust is reached more than 70%, to SO
3Adsorption capacity higher, in addition the heavy metal ion in flue gas is had stronger adsorption capacity.
HgO→HgO
*
Hg+H
2SO
4 *→HgSO
4 *
HgCl→HgCl
*Hg+1/2O
2→HgO
*
HgCl
2→HgCl
2 *HgO
*+H
2SO
4 *→HgSO
4 *
Fig. 1 is the structural representation of the large-scale active coke convection/adsorption gas purifying system of the present invention.As shown in Figure 1, described cleaning system comprises adsorption plant 2, the first conveying equipment 31, analyzing device 4 and the second conveying equipment 32; The in-built activated coke that is useful on the absorption flue gas of described adsorption plant 2 be used for the absorption flue gas and will adsorb saturated activated coke being delivered to analyzing device 4 by the first conveying equipment 31, and the flue gas after purifying is discharged; Described analyzing device 4 is used for adsorbing saturated activated coke regenerates, and the activated coke after regenerating is delivered to adsorption plant 4 by the second conveying equipment 32 and recycles.
Flue gas from boiler of power plant is drawn boosts through booster fan 11, enters the activated coke adsorption layer through smoke air inlet, the first flue gas even distribution device and the second flue gas even distribution device before the purification of adsorption plant 2.Flue gas after purification by the purification of adsorption plant 2 after the flue gas gas outlet be discharged in atmosphere by chimney 12 again.
Activated coke after regeneration is transported to (comprising additional fresh activated coke) top of adsorption plant 2 by the second conveying equipment 32, move back and forth through distributing device 22, activated coke is dropped on burnt layer uniformly, the NH that activated coke is passing into
3Nitrogen oxide in the lower absorption flue gas of effect falls into lower coke charge layer absorption sulphur component through the first flue gas even distribution device afterwards.Adsorb saturated activated coke and be discharged in collector 25, then draw off adsorption plant 2, deliver to analyzing device 4 by the first conveying equipment 31.
Need be transported in analyzing device 4 after activated coke absorption in adsorption plant 2 is saturated and regenerate, and then send adsorption plant 2 back to.Can realize the recycling of activated coke by the first conveying equipment 31 and the second conveying equipment 32.In the process of carrying, activated coke need to be transported to airtight screening system 33 and sieve, reject broken activated coke.Fresh activated coke adds adsorption plant 2 after measuring, to replenish the loss of activated coke.
In analyzing device 4, the saturated activated coke of absorption is regenerated, realize the recycling of activated coke.Analyzing device 4 is divided into from top to bottom charging layer, heating analytic sheaf, cooling layer and goes out the bed of material, and the heating analytic sheaf comprises the thermal treatment zone and resolves the district, absorbed SO
2Activated coke be heated to 450 ℃ in the thermal treatment zone, SO
2The district is resolved out resolving, and by inert gas N
2Carry and be sent to acid making system, activated coke turns back to adsorption plant 2 after the cooling zone is cooled.
Fig. 2 is the structural representation of adsorption plant of the present invention.As shown in Figure 2, described adsorption plant comprises the front smoke air inlet of purification, purifies flue gas gas outlet, ammonia air inlet, the first charging surge bunker 21, distributing device 22, the first flue gas even distribution device 23, the second flue gas even distribution device 24, collector 25, desulfurization adsorption layer 28, denitrogenation adsorption layer 27 and discharging surge bunker 26 afterwards.Before described purification, smoke air inlet, the rear flue gas gas outlet of purification and ammonia air inlet all are positioned on the same side of adsorption plant, described purifying smoke air inlet is positioned at the below of the second flue gas even distribution device 24, after described purification, the flue gas gas outlet is positioned at the top of denitrogenation adsorption layer 27, and described ammonia air inlet is between denitrogenation adsorption layer 27 and desulfurization adsorption layer 28.Described the first charging surge bunker 21 is positioned at the upper left side of adsorption plant, and it comprises the first charging aperture and the first discharging opening.Described distributing device 22 is arranged at the top of denitrogenation adsorption layer 27 and can does above denitrogenation adsorption layer 27 and moves back and forth.Described the first flue gas even distribution device 23 is arranged at the below of denitrogenation adsorption layer 27 and is arranged at the top of desulfurization adsorption layer 28.Described desulfurization adsorption layer 28 is arranged at the below of the first flue gas even distribution device 23 and is arranged at the top of the second flue gas even distribution device 24.Described collector 25 is arranged at the below of the second flue gas even distribution device 24 and can does below the second flue gas even distribution device 24 and moves back and forth.Described discharging surge bunker 26 is positioned at the lower right of adsorption plant, and it comprises the second charging aperture and the second discharging opening.
Activated coke joins in the first charging surge bunker 21 of adsorption plant 2, and when distributing device 22 moved to feed location, the first charging surge bunker 21 was opened and begun to feed in raw material, and when distributing device 22 left feed location, the first charging surge bunker 21 autoshutdowns also stopped feeding in raw material; Distributing device 22 uniformly activated coke cloth on bed, the activated coke of adsorption plant 2 is divided into two-layer, the upper strata is denitrogenation adsorption layer 27, lower floor is desulfurization adsorption layer 28.Flue gas before purifying is at first by the second flue gas even distribution device 24, enter desulfurization adsorption layer 28, flue gas after desulfurization is pooled to an end, spray into ammoniacal liquor by the ammonia-spraying grid on the tower wall in flue gas, the flue gas that is mixed with ammoniacal liquor enters denitrogenation adsorption layer 27 by the first flue gas even distribution device 23, and the clean flue gas after desorption enters chimney.Adsorb saturated activated coke and receive in body by the collector 25 of bottom, when then running to adsorption plant one end by running gear, activated coke all is discharged in discharging surge bunker 26, then deliver to analyzing device 4 by 26 outlets of discharging surge bunker.
Described distributing device 22 comprises charging opening and closing device, feeding device, putty device, drive unit and control device, and described feeding device comprises charging hopper, and this charging hopper one end is provided with charging aperture, and the other end is provided with the cloth mouth; Described charging opening and closing device is arranged at the surge bunker lower end, is used for controlling making raw material enter described charging hopper; Described putty device is arranged at below the cloth mouth of described feeding device, is used for blocking the cloth mouth; Described drive unit is connected with described feeding device, and described feeding device is reciprocating between charging zone, cloth district and charging zone and cloth district; Described control device is connected with described drive unit, is used for controlling described drive unit.
Described collector 25 comprises material stocking device, leaks materials device, feed arrangement, material-gathering device, drive unit and control device, and described material stocking device is arranged at the below of described leakage materials device, and the top of material-gathering device is used for stacking raw material; Described leakage materials device comprises that leaking material manages, and this leakage material Guan Yiduan is provided with charging aperture, and the other end is provided with discharging opening; Described feed arrangement is arranged at material-gathering device, is used for making the raw material on described material stocking device enter described material-gathering device; Described material-gathering device is positioned at the bottom of described leakage materials device, and this material-gathering device comprises charging hopper, and this charging hopper one end is provided with the mouth that gathers materials, and the other end is provided with shutter device; Described drive unit is connected with described material-gathering device, is used for driving that described material-gathering device is reciprocating between charging zone, discharge zone and charging zone and discharge zone carries out rewinding; Described control device is connected with described drive unit, is used for controlling described drive unit.
Before described purification smoke air inlet and purify after be after booster fan 11 on the flue gas gas outlet and chimney 12 can also arrange the gas baffle door with sealing device before, make that whole adsorption plant is safe and reliable, good airproof performance, easy to maintenance.
Described gas baffle door with sealing device comprises framework, rotating vane, executing agency, the first sealing device, the second sealing device, the first ash blowing mouth and the second ash blowing mouth, described executing agency is arranged on framework by rotating shaft, and be connected with rotating vane in being arranged at framework by rotating shaft, described the first sealing device and the second sealing device all are arranged on framework, and described the first ash blowing mouth and the second ash blowing mouth are relatively arranged on framework; Described the first sealing device and the second sealing device respectively comprise a sealing ring, are provided with sealing ring on the frame of described framework except rotating shaft; Described sealing ring one end is fixed on framework, and the other end is free end; Be provided with first row gas port and the first air inlet on sealing ring in described the first sealing device, described first row gas port and the first air inlet extend outside framework; Be provided with second row gas port and the second air inlet on sealing ring in described the second sealing device, described second row gas port and the second air inlet extend outside framework.
Described adsorption plant 2 is monopolizing characteristics of the present invention, at present domesticly not yet is applied to process tolerance near 2,700,000 Nm
3The out of stock device of the desulfurization of/h flue gas.The present invention can easily reach so so that higher tolerance, and removal effect is fully up to standard.Than external large-scale plant, increase is arranged on scale, adopted a kind of convection adsorption technology, the core of this technology is that the activated coke in adsorption plant is joined in adsorption plant by the first flue gas even distribution device unit by the adsorption plant top again and forms two activated coke beds, and the opposite direction that moves of flue gas flow direction and activated coke, it is uniform making the adsorption efficiency of flue gas in whole adsorption plant.
Fig. 3 is the structural representation of the present invention the second flue gas even distribution device unit.As shown in Figure 3, described the second flue gas even distribution device unit comprises the first side plate 241 and the second side plate 242, the first side plate 241 and the second side plate 242 tops are welded on sidewall, the first side plate 241 bottoms and the 3rd side plate 243 welding, the first side plate 241 has certain angle of inclination, and what the assurance material can be natural flows.The 3rd side plate 243 is inclined upwardly, and is angled, holds the material that gets off above, and the second side plate 242 and the 3rd side plate 243 guarantee certain space, allows flue gas before purifying enter even distribution device inside, makes flue gas and material generation convective flow before purifying.
Described the second flue gas even distribution device unit is a kind of structure that solves the convection adsorption technology, compares with other gas distribution doffers of home and abroad, has overcome discharging point and has injured all, the situation of appearance accident equipment full cut-off has a discharging easy, and air inlet is even, easy to make, use stable advantage.
Fig. 4 is the structural representation of analyzing device of the present invention.As shown in Figure 4, described analyzing device is provided with successively charging layer 41, heating analytic sheaf 42, cooling layer 43 from top to bottom, goes out the bed of material 44.
Described charging layer is comprised of the second charging surge bunker 411 and charging lock gas storehouse 412; Also be provided with material storage storage 413 above charging lock gas storehouse 412; Be provided with air discharge ports 4121 and inert gas entrance 4122 on described charging lock gas storehouse 412.Described heating analytic sheaf 42, become one deck the first funnel device 421 at least according to the resolution temperature different demarcation, why resolution temperature is not both because the substance classes of absorption is different, the smoke components of absorption is a lot, its overwhelming majority more or less all be adsorbed a part, but be not all to be released at same temperature.Have different materials resolved out under different temperatures, these its boiling points different from material are different has identical reason.Also include the gas circulation heater at described heating analytic sheaf.Described gas circulation heater is to be connected in gas outlet 422 on described funnel device and the heating tube between air inlet 423; Described gas outlet 422 is connected with circulating fan 424, circulating fan 424 is connected with air bleeding valve 425, circulating fan 424 also is connected with heat exchanger 426, and heat exchanger 426 is connected with air inlet 423, also is provided with flow divider valve 427 between described air inlet 423 and heat exchanger 426.Circulating fan 424 is extracted the gas in ground floor funnel device 421 out, at this moment can open air bleeding valve 425 and carry out exhaust, makes the waste gas of discharging in the charcoal base adsorbent through heating for the first time discharge from air bleeding valve 425.Another part inert gas heats to enter through heat exchanger and continues in lower one deck funnel device activated coke is heated.Can pass through multilayer the first funnel device 421 heating from top to bottom, also the inert gas of discharging in last one deck funnel device 421 can be heated and get back in ground floor funnel device 421, the gas of ground floor is replenished.Described cooling device includes one deck the second funnel device 431 at least, the second funnel device 431 in cooling device is identical with the first funnel device 421 structures in adding thermal analysis apparatus, is provided with material cooled region 432 above the second funnel device 431 of cooling device.Described cooling device also includes on cooling layer, is provided with pressure cooling gas inlet 435 with the inert gas air inlet 433 of the corresponding setting of described funnel device and the below of strong cold air outlet 434 and funnel device.Described drawing mechanism is comprised of blanking surge bunker 441 and blanking lock gas storehouse 442, blanking surge bunker 441 be arranged on described cooling device funnel device 431 the below and be communicated with cooling device, blanking lock gas storehouse 442 is arranged on the below of described blanking surge bunker 441, is provided with inert gas entrance 4421 and discharged air outlet 4422 on blanking lock gas storehouse 442.
Described analyzing device arrange cleverly the activated coke that can make in analyzing device evenly, motion continuously; Compare with external other analyzing devices, analyzing device of the present invention is simple in structure, and cost is low, is easy to make maintenance.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a large-scale active coke convection/adsorption gas purifying system, is characterized in that, described cleaning system comprises adsorption plant, the first conveying equipment, analyzing device and the second conveying equipment; The in-built activated coke that is useful on the absorption flue gas of described adsorption plant be used for the absorption flue gas and will adsorb saturated activated coke being delivered to analyzing device by the first conveying equipment, and the flue gas after purifying is discharged; Described analyzing device is used for adsorbing saturated activated coke regenerates, and the activated coke after regenerating is delivered to adsorption plant by the second conveying equipment and recycles;
Described adsorption plant comprises the front smoke air inlet of purification, purifies flue gas gas outlet, ammonia air inlet, the first charging surge bunker, distributing device, the first flue gas even distribution device, the second flue gas even distribution device, collector, denitrogenation adsorption layer, desulfurization adsorption layer and discharging surge bunker afterwards; Before described purification, smoke air inlet, the rear flue gas gas outlet of purification and ammonia air inlet all are positioned on the same side of adsorption plant, described purifying smoke air inlet is positioned at the below of the second flue gas even distribution device, after described purification, the flue gas gas outlet is positioned at the top of denitrogenation adsorption layer, and described ammonia air inlet is between denitrogenation adsorption layer and desulfurization adsorption layer; Described the first charging surge bunker is positioned at the upper left side of adsorption plant, and it comprises the first charging aperture and the first discharging opening; Described distributing device is arranged at the top of denitrogenation adsorption layer and can does above the denitrogenation adsorption layer and moves back and forth; Described the first flue gas even distribution device is arranged at the below of denitrogenation adsorption layer and is arranged at the top of desulfurization adsorption layer; Described desulfurization adsorption layer is arranged at the below of the first flue gas even distribution device and is arranged at the top of the second flue gas even distribution device; Described collector is arranged at the below of the second flue gas even distribution device and can does below the second flue gas even distribution device and moves back and forth; Described discharging surge bunker is positioned at the lower right of adsorption plant, and it comprises the second charging aperture and the second discharging opening;
Described the second flue gas even distribution device comprises a plurality of the second flue gas even distribution device unit, described the second flue gas even distribution device unit is comprised of the first side plate, the second side plate and the 3rd side plate, described the first side plate is relative with the second side plate and be obliquely installed, described the first side plate and the second side plate form upper shed and under shed, and the size of upper shed is greater than the size of under shed, described the 3rd side plate is obliquely installed and is connected with the first side plate and forms the space that holds activated coke, and between described the 3rd side plate and the second side plate, the interval arranges and forms flue gas and active coke convection mouth.
2. large-scale active coke convection/adsorption gas purifying system according to claim 1, it is characterized in that, described the first flue gas even distribution device comprises a plurality of the first flue gas even distribution device unit, described the first flue gas even distribution device unit is funnel shaped, wherein the charging aperture of funnel is positioned at below the denitrogenation adsorption layer, and the desulfurization adsorption layer is positioned at the below of the discharging opening of funnel.
3. large-scale active coke convection/adsorption gas purifying system according to claim 1, is characterized in that, described analyzing device comprises charging layer, heating analytic sheaf, the cooling layer that is provided with successively from top to bottom and goes out the bed of material; Described charging layer is comprised of the second charging surge bunker and charging lock gas storehouse, and charging lock gas storehouse is arranged on the second charging surge bunker top; Also be provided with the material storage storage above charging lock gas storehouse; Be provided with air discharge ports and inert gas entrance on described the second charging lock gas storehouse; Described heating analytic sheaf comprises one deck the first funnel device and gas circulating heater at least, the gas circulation heater is to be connected in gas outlet on the first funnel device and the heating tube between air inlet, described gas outlet is connected with circulating fan, circulating fan is connected with air bleeding valve, circulating fan also is connected with heat exchanger, heat exchanger is connected with air inlet, also is provided with flow divider valve between described air inlet and heat exchanger; Described cooling layer comprises one deck the second funnel device at least, is provided with the material cooling zone above the second funnel device; Describedly go out the bed of material and formed by blanking surge bunker and blanking lock gas storehouse, the blanking surge bunker be arranged on described cooling layer the first funnel device the below and is communicated with cooling layer, the below that the gas storehouse is arranged on described blanking surge bunker is locked in blanking.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102423604A (en) * | 2011-08-25 | 2012-04-25 | 太原晋魂环保工程有限公司 | Combined flue gas desulfurization and denitrification device |
| CN103063055B (en) * | 2012-12-12 | 2015-07-22 | 南京苏冶钙业技术有限公司 | Bin type heat exchanger |
| CN105618019B (en) * | 2014-11-28 | 2018-05-11 | 湖南中冶长天节能环保技术有限公司 | Activated carbon Thermal desorption method and its device including UTILIZATION OF VESIDUAL HEAT IN |
| CN105688873B (en) * | 2014-11-28 | 2018-07-24 | 湖南中冶长天节能环保技术有限公司 | Activated carbon Thermal desorption method and its device |
| CN104722286B (en) * | 2015-03-20 | 2017-04-05 | 中冶华天工程技术有限公司 | The continuous activating and regenerating system of activated coke/charcoal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712108A (en) * | 2004-06-25 | 2005-12-28 | 张文辉 | Smoke desulfurization and denitration |
| CN1911491A (en) * | 2006-08-03 | 2007-02-14 | 长春惠工净化工业有限公司 | Moving bed smoke desulfur denitrate and dust removal technology |
| CN201586464U (en) * | 2010-02-05 | 2010-09-22 | 北京国电清新环保技术股份有限公司 | Large-scale active coke convection adsorption flue gas purification system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712108A (en) * | 2004-06-25 | 2005-12-28 | 张文辉 | Smoke desulfurization and denitration |
| CN1911491A (en) * | 2006-08-03 | 2007-02-14 | 长春惠工净化工业有限公司 | Moving bed smoke desulfur denitrate and dust removal technology |
| CN201586464U (en) * | 2010-02-05 | 2010-09-22 | 北京国电清新环保技术股份有限公司 | Large-scale active coke convection adsorption flue gas purification system |
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