CN1363413A - Integrated counter-current cleaner - Google Patents
Integrated counter-current cleaner Download PDFInfo
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- CN1363413A CN1363413A CN 02112578 CN02112578A CN1363413A CN 1363413 A CN1363413 A CN 1363413A CN 02112578 CN02112578 CN 02112578 CN 02112578 A CN02112578 A CN 02112578A CN 1363413 A CN1363413 A CN 1363413A
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- activated coke
- flue gas
- adsorbent equipment
- blanking
- cloth
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Abstract
An integrated counter-current cleaner for removing SO2, NOx, dust and heavy metal from fume is composed of material distributing and storing cabin, adsorption unit, desorption unit, and separator, all of which are serially connected from top to bottom. A lifting machanism is between said material distributing and storing cabin and separator. The fume inlet and outlet are connected to each desorption unit. Its advantages include simple and compact structure, uniform reaction, low resistance and low cost.
Description
One, technical field
The present invention be a kind of be at the harmful substance SO in the flue gas
2, NO
x, dust, heavy metal (as mercury, cadmium plasma) the integrated counter-current reaction unit that carries out multi-faceted purification, belong to the technical field that the atmospheric cleaning environmental protection equipment is made.
Two, background technology
Many harmful substances: SO is arranged in the flue gas of boiler
2, NO
x, mercury metal, cadmium plasma, solid dust etc., need remove and purify the back emptying, just can not cause air environmental pollution.Thereby need various special purposes or multi-purpose cleaning equipment.
Wherein, with seed activity Jiaozhuo be desulfuration adsorbent simultaneously as the dry desulfurization denitration technology of denitrification catalyst and dust filtering agent, but be that purification function is comprehensive, technology maturation resource, flue gases purification with economical and practical value.It comes down to " a kind of utilize particulate material (activated coke) simultaneously as adsorbent and catalyst, to a certain composition (SO in the gaseous fluid (flue gas)
2) or several composition (as heavy metal Hg, cadmium plasma) adsorb-desorb-separation the time, to another kind of oxious component (NO
x) and another kind of gaseous substance (NH
2) carry out catalytic reaction and be converted into harmless composition (H
2O, N
2) and technology that the solid dust in the gaseous fluid filter is removed ".
But there is following deficiency in the device structure form of currently used mobile clean-up bed: its desulfurization, denitration are separated into two conversion zone beds, thereby complex structure; Flue gas and activated coke are orthogonal mobile, cause the inhomogeneous of flue gas and its activated coke that is contacted, and the activated coke performance is utilized insufficient, and has strengthened the replacing amount and the wear extent of activated coke, has increased operating cost; Dust in the flue gas is big to the activated coke performance impact, particularly because locate dirt accumulation down with the wind and can not in time remove, and has increased bed resistance, causes that air-introduced machine power strengthens and significantly increases operating cost; The fabric construction requirement for height of activated coke is very high, has increased device height and cost; Adsorption plant and reclaim equiment respectively are integral, and space utilization is insufficient, and two covers promote transfer equipment, increase activated coke and transmit loss and equipment cost, have also increased complexity and the input expense and the operating cost of engineering; To different engineerings, need different physical dimensions, be unfavorable for standardization, modularized design and batch machining, increase manufacturing cost and maintenance cost.
Three, summary of the invention
(1) goal of the invention
Purpose of the present invention provide a kind of be simple and compact for structure, reaction evenly, resistance is little, save material, reduce the integrated counter-current cleaner that gaseous fluid purifies that is used for of operating cost.
(2) technical scheme
A kind of integrated counter-current cleaner, by adsorbent equipment, desorption apparatus and auxiliary device are formed, it is characterized in that this device is by the cloth storage cabin, adsorbent equipment, desorption apparatus, sorting unit order arrangement from top to bottom is formed by connecting, the upper end of hoisting mechanism is connected with the cloth storage cabin, the lower end of hoisting mechanism is connected with sorting unit, exhanst gas outlet connects the top of each adsorbent equipment respectively, gas approach connects the bottom of each adsorbent equipment respectively, the top of cloth storage cabin is charging aperture, this charging aperture is connected with hoisting mechanism, the bottom of cloth storage cabin is a discharging opening, this discharging opening is communicated with the cloth valve of each adsorbent equipment by conveyance conduit respectively, adsorbent equipment is sequential placement from top to bottom, in each adsorbent equipment, be divided into the flue gas output layer from top to bottom, the adsorption reaction layer, flue gas enters layer, the cloth valve is positioned at the top of material-feeding mechanism, material-feeding mechanism is positioned at the top of adsorption reaction layer, the adsorption reaction layer is connected with the blanking awl, the flue gas that cutting agency is arranged in blanking awl below enters layer, below the blanking awl is aggregate pipe, this aggregate pipe is connected with desorption apparatus by pipeline, in the adsorption reaction layer, also be provided with the ammonia access mechanism, the top that enters layer at flue gas also is provided with the humidifying cooling passage, the top charging aperture of desorption apparatus is connected with the aggregate pipe of each adsorbent equipment of top, the discharging opening of desorption apparatus is located at desorber, the bottom be blanking device, the below of blanking device is provided with connecting gear, below connecting gear, expect that by poly-mouth and pipeline and sorting unit join, sorting unit adds the storehouse by activated coke, the powder storage storehouse, sorting mechanism, extraction mechanism is formed, sorting mechanism is positioned at the top of sorting unit, powder warehouse in the sorting unit and activated coke are added the storehouse and are spaced from each other, the end of sorting mechanism and activated coke are added the storehouse and are joined, the middle part of sorting mechanism is positioned at the top of dust warehouse, extraction mechanism is positioned at the dust warehouse, and the lower end of hoisting mechanism is positioned at activated coke and adds the storehouse.
The operating path of activated coke is as follows:
The activated coke that activated coke is added the storehouse has two sources, and the one, the activated coke that the regeneration sent into by sorting mechanism has been restored, the 2nd, the fresh activated coke of artificial supplementation.The activated coke that hoisting mechanism adds activated coke in the storehouse is sent into the cloth storage silo.
The cloth storage silo is by the conveyance conduit of its underpart, activated coke under the effect of gravity, enter the cloth valve of each adsorbent equipment from top to bottom.When material-feeding mechanism was positioned at original position, material-feeding mechanism was opened the cloth valve, and activated coke enters material-feeding mechanism, and when it is loaded into when meeting the demands, material-feeding mechanism is with the cloth valve closing.Load the material-feeding mechanism setting in motion of activated coke, take off flatly in the time of cloth,, return automatically,, begin second cloth process to original position to terminal location.If the activated coke of reaction bed surpasses design height, material-feeding mechanism is out of service, and material-feeding mechanism and all cutting agencies, hoisting mechanism Synchronization Control are regulated, and the thickness that remains reaction bed like this is in claimed range.Since the effect of cutting agency, activated coke at it under the effect of gravity, motion from top to bottom lentamente, in the motion, activated coke contacts with bore the flue gas from bottom to top that vertical barrier face enters from blanking, fresh activated coke, at first Jie Chu flue gas is to contain low concentration SO
2And NO
x, send into the ammonia that mechanism sends into from ammonia in addition.Under the catalysis of activated coke, NO wherein
xReact with ammonia, produce harmless steam and nitrogen, discharge, reach denitrogenation with flue gas.The while low concentration SO
2Adsorbed further desulfurization by activated coke.After activated coke was sent into mechanism through ammonia, entering desulfurization was main region.Contact with the flue gas that newly enters, carry out on the one hand adsorption desulfurize, on the other hand dust in flue gas and the heavy metal ion that is contained in the dust are adsorbed, adsorb saturated activated coke and bore through blanking and enter cutting agency.Cutting agency is made back and forth movement when the device operation, when cutting agency arrived original position, activated coke was sent into the mouth that gathers materials of the below of original position, enters the inlet valve of the desorber in the desorption apparatus by conveyance conduit by it.
Enter after activated coke in the desorption apparatus enters desorber, under self-gravity action, move downward lentamente, through the heat energy pump thermal energy transfer medium is carried out heat exchange with heat energy, and temperature progressively is increased to the desorb optimum temperature, adsorbed SO
2Desorb with gaseous form with heavy metal ion, produce CO simultaneously
2, mix forming regeneration gas, be reproduced the extraction of gas extraction pump and send into the regeneration gas separating equipment for purification.So activated coke is reproduced recovery, recovered absorption property.Bottom at desorber, activated coke is cooled cooling and enters its blanking outlet, under the effect of blanking device, activated coke is admitted on the connecting gear of continuous motion, when activated coke reached the outlet of connecting gear, the poly-material mouth that activated coke is sent into its below entered the sorting mechanism of sorting unit by conveyance conduit.
Send into the sorting mechanism of sorting unit, through screening, the activated coke of restoring of regenerating that can utilize once more enters activated coke interpolation storehouse; And dust enters the dust storage silo, under the effect of extraction mechanism, sends ground and delivers to boiler combustion by conveyer or by other transporting equipments.Enter activated coke and add the activated coke of the activated coke in storehouse with new interpolation, send into cloth storage silo A by hoisting mechanism, beginning is circulation for the second time.
The operating path of flue gas is as follows:
Flue gas is entered by inlet flue duct, is separated into the dispensing flue, is connected with the humidifying cooling passage of adsorbent equipment respectively.At the humidifying cooling passage, when flue-gas temperature surpasses 120 ℃ or water content and is lower than 4%, the globule sprays in the humidifying cooling mechanism of its setting, make the optimum condition of flue gas humidifying cooling to activated coke work, and the flue gas that enters under the adsorbent equipment reaction bed enters layer, and under the arrangement of air distribution mechanism, the vertical barrier face cone face of being bored by the material of each blanking awl enters reaction bed equably, flue gas contacts with top-down activated coke from bottom to top, the SO in the flue gas
2, mercury metal, the passive activated coke of cadmium plasma be adsorbed in its micropore, solid dust is adsorbed on its surface, flue gas is cleaned and enters cloth space layer above the adsorbent equipment reaction bed, enter the exhaust pass of this adsorbent equipment, flue gas enters the exhanst gas outlet passage by it, flue gas enters air-introduced machine through exit passageway F, and under the effect of air-introduced machine, flue gas is admitted to smoke stack emission.
Route is arranged in byproduct recovery and waste gas, waste disposal and fire-fighting
In the desorber in desorption apparatus, regeneration gas is extracted to be sent into the regeneration gas cleaning equipment and is connected.Regeneration gas passes through cooling, washing, mist elimination, filtration, separation in the regeneration gas separating equipment for purification after, the rich SO that is produced
2Become the gaseous form of high concentration, be delivered to the byproduct converting apparatus through conveyance conduit, be converted into byproduct (as the concentrated sulfuric acid, liquid sulfur dioxide or the like) from its outlet.CO in the regeneration gas
2Be separated, this outlet is sent into CO through piping
2Memory device, stores.Mercury metal in the regeneration gas, cadmium plasma species are washed, filter, are separated into waste residue (amount seldom) and handle in addition.The waste gas that other waste gas that separate or equipment produce is sent into smoke inlet through exhaust piping and is purified.
CO
2The CO of memory device, stores
2Be applied to the sealing gland valve of desorber on the one hand; Standby as the material of fire-fighting on the other hand, just in case when the too high temperature during near spontaneous combustion of activated coke reaction temperature takes place, (when normally moving, the switching of gas switch valve communicates with the ammonia memory device, and ammonia is admitted to the ammonia access mechanism and carries out denitrating flue gas with the switching of gas switch valve.) to the ammonia access mechanism of sending into output channel in the adsorbent equipment, make the oxygen in the isolated flue gas of activated coke and reduce the temperature of activated coke and arrive and prevent the activated coke spontaneous combustion; Unnecessary CO
2Sending into smoke inlet by waste gas through exhaust piping purifies again.Perhaps send into the purification exhanst gas outlet.
(3) technique effect
That the present invention has is simple and compact for structure, multiple functional, the even resistance of reaction is little, save drop into, advantage that operating cost is low, be embodied as:
● simple and compact for structure
The present invention is the body of cuboid, be separated into multilayer, because the adsorbent equipment volume is generally much bigger than desorption apparatus, orlop is arranged to stripping apparatus and regeneration gas purify, and the laying outside the layer of other ancillary equipment, all upper stratas except that the superiors can be extremely a plurality of adsorption reaction devices.The adsorption reaction apparatus structure is identical, and the number of adsorption reaction device can be decided according to requirement of engineering.Like this, not only whole system can be expanded to length and width, also can be to highly expansion, its space utilization is abundant, significantly reduces floor space, and whole device only needs the one-level lifting device, utilize the deadweight of activated coke, finish all working process from top to bottom and make simple in structure; In the desorption apparatus layer, the relevant electrical equipment of equipment relevant with desorb and package unit is settled in it, arranged compact.
● multiple functional
The present invention is integrated in one needed whole technical process of active coke desulphurizing desulfurization and equipment, in same device, has finished humidifying cooling, absorption, catalysis, the regeneration of flue gas, the recycling of fertile absorber; From the function of purifier, it possesses four kinds of catharsis simultaneously: desulfurization, denitration, dedusting, remove heavy metal ion and other harmful substances.
● reaction is even, resistance is little
Adsorption reaction device of the present invention adopts reflux type to design, and on physical action, be divided into flue gas and enter layer, activated coke adsorption layer, flue gas output layer, three layers of parallel from bottom to top distribution, the flow of flue gas direction is opposite with the activated coke moving direction; Add that entering layer at flue gas carries out reasonable cloth wind, makes flue gas can evenly enter each part of conversion zone; At the flue gas output layer the double material mechanism of taking off of cloth is set, guarantee activated coke spreading depth unanimity, same aspect activated coke is even because of its deadweight pressure that bears, and the speed that moves down is even, the flow through distance of effecting reaction layer of flue gas is equal in whole layer, the reaction time unanimity of physics and chemical process; In addition, at the flue gas air distribution mechanism that entered arrangement layer, flue gas is evenly distributed on the whole aspect.Therefore, its reaction uniformity reaches optimum state.
The blanking awl of adsorbent equipment, the rarest vertical barrier face, enter the passage of conversion zone as flue gas, because the activated coke in the blanking awl is to have adsorbed to finish to be about to withdraw from the activated coke of conversion zone, and in the face of the vertical barrier face in activated coke place of dust in the flue gas, its rate of withdraw is the fastest, make that dust is difficult to enter conversion zone inside in the flue gas, like this, not only make adsorbent equipment have good dedusting effect, and, make the activated coke of conversion zone, not because of the gathering of dust, and increase the resistance of flue gas and influence the absorption property of activated coke.Therefore, the present activated coke adsorbent bed much less of the resistance ratios of adsorbent equipment of the present invention.
● save and drop into
The present invention since organically with desulfurization, denitration, dedusting, remove the heavy metal ion function and concentrate on one, significantly reduced its complexity than the simple set of the device of simple function; Because needed whole technical process of active coke desulphurizing desulfurization and equipment are integrated in one, the transmission between each equipment, the link and the distance of conveying equipment have been saved; Since can be easily to length, width, highly expansion, the arrangement that helps seizing every opportunity, saving floor space; Owing to utilize in minute-pressure power work characteristics, device adopts square structure to be fully used in the space; Owing to adopted modular design, helped production, design process simplification and quality assurance; Owing to adopt reflux type, make activated coke react, make dust in time to discharge from top to bottom equably and do not pollute the reaction zone activated coke and influence its performance performance, reduced the input amount of activated coke; Therefore, it will be saved engineering and drop into expense.
● save operating cost
The present invention is because the reduction of the expense of input has just reduced equipment depreciation and financial expenses; Can reduce owing to adopt reflux type that activated coke is played one's part to the full activated coke renewal speed, reduced the loss of activated coke; Because needed whole technical process of active coke desulphurizing desulfurization and equipment are integrated in one, reduced the management difficulty and minimizing administrative staff of equipment; Because SO to removing
2Recovery is directly used in the CO of byproduct production, separation
2Being used for device itself uses; Therefore will reduce operating cost.
Four, description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.Wherein have: the adsorbent equipment B1～Bn of cloth storage silo A, same structure, desorption apparatus C, sorting unit D, hoisting mechanism E1～En.The gas approach G and humidifying cooling passage b17, exhanst gas outlet F, adsorption reaction layer b13, ammonia access mechanism b19, cloth valve b11, material-feeding mechanism b12, blanking awl b16 and cutting agency b14, a plurality of mouthful b18 that gathers materials that also have adsorbent equipment; The desorber c1 of desorption apparatus, blanking device c2, regeneration gas separating equipment for purification c7; The sorting mechanism d3 of sorting unit, dust storage silo d2 and extraction mechanism d4, activated coke are added storehouse d1.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
Fig. 3 is an adsorbent equipment configuration diagram of the present invention, wherein has: gas approach G and humidifying cooling passage b17, exhanst gas outlet F, flue gas output layer b15, adsorption reaction layer b13, ammonia access mechanism b19, cloth valve b11, material-feeding mechanism b12, blanking awl b16 and cutting agency b14, a plurality of mouthful b18 that gathers materials.
Fig. 4 be among Fig. 3 K-K to the sectional structure schematic diagram.
Fig. 5～Fig. 9 is the several for the structural representation that adopts of adsorbent equipment blanking awl b16 of the present invention, wherein Fig. 5 is that rectangular two-sided awl, Fig. 6 of elongated slot feed opening are that the two-sided awl of square bar of a plurality of rectangle feed openings, rectangular two-sided awl, Fig. 8 that Fig. 7 is a plurality of cylindrical feed openings are the blanking awls that two vertically blanking awl, Fig. 9 of barrier faces are single vertical barrier faces, and the arrow indication face among the figure is the vertical barrier face that flue gas enters.
Figure 10 is the composition schematic diagram of desorption apparatus of the present invention, wherein has: desorber c1, blanking device c2, connecting gear c3, heat energy c4, heat energy pump c5, regeneration gas draw-off pump c6 and regeneration gas separating equipment for purification c7, ammonia memory device c13, CO
2Memory device c10, gas switch valve c11, electrical control equipment c14.
Five, the specific embodiment
(1) about installing integral body
The present invention is combined from top to bottom by cloth storage silo A, adsorbent equipment B1～Bn, desorption apparatus C, sorting unit D and hoisting mechanism E (or a plurality of) etc. that a plurality of structure is identical, and wherein sorting unit D is positioned under the face of land.A sends into adsorbent equipment B1～Bn with activated coke respectively by conveyance conduit by the cloth storage silo, send into adsorbent equipment B1～Bn by gas approach G respectively by the flue gas that shunting will need to purify, in adsorbent equipment B1～Bn, adsorb and catalytic reaction, be pooled to exhanst gas outlet F by exhanst gas outlet after making gas cleaning, send into air-introduced machine, under the effect of air-introduced machine, send into the chimney emptying.Reacted the activated coke that finishes and lost efficacy among adsorbent equipment B1～Bn, all sent into desorption apparatus C by conveyance conduit, the activated coke that lost efficacy in desorption apparatus C is separated through desorb and fertile absorber, obtains regeneration and restores; Except that dust, the separated utilization of harmful substance, processing.The activated coke that regeneration has been restored and dust, the activated coke powder of absorption are sent into sorting unit D by conveyance conduit, available activated coke is separated with dust, active coke powder in sorting unit D, available activated coke and add newly that fresh activated coke is promoted to cloth storage silo A by hoisting mechanism E and operation continuously.
During design, should determine the per hour mobile flow of activated coke at first according to engineering user's usefulness hour coal amount, the sulfur content of coal, the work Sulfur capacity of activated coke, select the equipment of desorption apparatus, according to the height and the floor space of equipment, determine height and length, the width of desorption apparatus.When selecting width, consider the span that the device framework can be born simultaneously.
Again according to SO in flue gas flow, the flue gas
2Concentration is determined the number of adsorbent equipment.For the reasonable arrangement in space, the blanking pipeline of adsorbent equipment should be arranged in inwall place near device, and its placement surface to carry out smoothly and send into desorber with shortest path with the cloth that does not influence next adsorbent equipment be principle.
Gas approach, outlet are arranged in and other sides that the end face at hoisting mechanism E place is outer, but should consider the layout of engineering and do not influence flue gas resistance and evenly be principle.
For the leakage rate that guarantees flue gas is reduced to a minimum, the present invention adopts following design: be connected with air-introduced machine through pipeline at exhanst gas outlet, in the reaction bed flue gas be in negative pressure state; Six faces are sealed walls around the entire reaction bed; The port of export of cloth warehouse is provided with normal closed gate, only just opens valve in the short time of blanking; Cutting agency is arranged in the cloth gas area of flue gas, and blanking does not influence sealing; Cloth material arrangement of mechanism is in flue gas output layer inside, and cloth does not influence sealing.Needn't worry the etching problem of cutting agency, cloth material mechanism, because the temperature of flue-gas temperature and reaction bed is all more than the dew-point temperature of sulfuric acid.
(2) about the cloth storage silo
Cloth storage silo A is positioned at the topmost of device, the inlet of cloth storage silo A, adding storehouse d1 by hoisting mechanism E with activated coke is connected, the outlet of cloth storage silo is a conveyance conduit, be connected with the cloth valve b11 of each adsorbent equipment B by the conveyance conduit near the device inwall respectively, activated coke is added the cloth valve b11 that storehouse d1 sends into each adsorbent equipment B by activated coke continuously by conveyance conduit.
At the feed opening place upwards, be designed to the back taper structure of certain tapering, be beneficial to activated coke and under self-gravity action, enter conveyance conduit smoothly.The inlet of cloth storage silo A should cooperate with hoisting mechanism E, and its top should be sealed, and makes activated coke not be subjected to climatic effect.The capacity of cloth storage silo should guarantee that whole device activated coke moves a hour needed amount.
(3) about adsorbent equipment
Each adsorbent equipment B is structurally similar, spatially can be divided into flue gas output layer, adsorption reaction bed, flue gas from top to bottom and enter layer.Each is put B by attaching and is made up of with cutting agency b14, a plurality of mouthful b18 that gathers materials gas approach G and humidifying cooling passage b17, exhanst gas outlet F, adsorption reaction layer b13, ammonia access mechanism b19, cloth valve b11, material-feeding mechanism b12, blanking awl b16.
The cloth valve b11 of adsorbent equipment B is positioned at the top of flue gas output layer near the device inwall, material-feeding mechanism b12 is arranged in the flue gas output layer and near the upper surface of the reaction bed b13 that lives, its original position is made back and forth movement during its device operation below cloth valve b11.Reaction bed b13 is connected with blanking awl b16, and the flue gas that cutting agency b14 is arranged in blanking awl b16 below enters layer, makes back and forth movement when the device operation, and its direction of motion preferably direction of motion of material-feeding mechanism b12 is orthogonality relation.The original position of cutting agency b14 is near a side inwall of device, and the below of original position is mouthful b18 that gathers materials, and mouthful b18 that gathers materials connects conveyance conduit, and the inlet valve that enters the desorber c1 among the desorption apparatus C by conveyance conduit connects.
Gas approach G is positioned at the bottom of the lateral surface of adsorbent equipment B, and it is that side, cloth valve b11 place is not the same side.Gas approach G communicates with humidifying cooling passage b17.In the humidifying cooling passage b17 humidifying cooling mechanism is set, constitutes by pipeline, nozzle.Humidifying cooling passage b17 enters layer with flue gas and communicates.Be positioned at a plurality of blanking awl b16 that flue gas enters layer, each blanking awl has one or two vertical barrier faces, and arranges to have air distribution mechanism, and flue gas enters reaction bed b13 through the vertical barrier face of blanking device awl.
At the flue gas output layer of device, be positioned at the same lateral surface top of gas approach G, exhanst gas outlet F is set, its flue gas output layer communicates, and is connected with the import of device air-introduced machine outward.
In the centre of adsorbent equipment B, ammonia access mechanism b19 is set, constitute by grid, nozzle.
The humidifying cooling mechanism of humidifying cooling passage considers a spot of SO in the flue gas
3Contact water has corrosiveness to it, should select corrosion resistant stainless steel material for use, and the globule of ejection nebulizes.
The structure of blanking awl b16 can adopt in the blanking awl of the blanking awl of rectangular two-sided awl of the rectangular two-sided awl of elongated slot feed opening, a plurality of feed openings, two vertical barrier faces, single vertical barrier face a kind ofly, and its feed opening can be a rectangle or cylindrical.The tapering of blanking awl will guarantee that activated coke is flowing smoothly under the effect of gravity.Blanking awl number should be suitable, and quantity is few, the height height that then occupies, and quantity is many, and processing capacity is big.
Activated coke adsorption reaction layer thickness should be suitable, guarantee that reaction has certain hour and desulfuration efficiency, reduces resistance again as far as possible, helps reducing operating cost.The grid of ammonia access mechanism, its density is suitable, should guarantee that ammonia can full and uniformly enter the activated coke layer.The pipeline stratum reticulare is near the top of activated coke expense layer, and its nozzle direction has a down dip, and can guarantee that nozzle is not stopped up by the activated coke powder.Device for needs denitration simultaneously, ammonia also can change spray ammoniacal liquor by the water spraying mechanism of flue gas preliminary treatment passage, both can make flue gas cool-down, can make ammonia after flue gas mixes, enter the activated coke reaction bed again, activated coke is in absorption sulfur dioxide, nitrogen oxide in catalysis ammonia and the flue gas carry out chemical reaction, and generate nitrogen and water, reach the purpose of denitration
Activated coke cloth valve is a normal closed gate, cooperates interlock with material-feeding mechanism, can utilize material-feeding mechanism to lift on the position when zero load and back down valve, full load position decline valve-off.Material-feeding mechanism should be parallel mobile on a horizontal plane, and the function of incoming terminal automatic reverse operation is arranged.
Cutting agency is also should be on a horizontal plane parallel to be moved and the function of incoming terminal automatic reverse operation.In original position, in feed opening discharging automatically.Also can adopt the blanking device of cycle operation, still, the space of occupying height be arranged generally, or occupied area is big or big to the activated coke wearing and tearing, is unworthy recommending.Bottom at flue gas preliminary treatment passage 3 should be provided with the dust emissions device; Cutting agency is provided with synchronous cleaning part, to remove the dust precipitation that flue gas enters layer.
(4) desorption apparatus
Desorption apparatus C is positioned at the below of nethermost adsorbent equipment Bn.Desorption apparatus C is by desorber c1, blanking device c2, connecting gear c3, heat energy c4, heat energy pump c5, regeneration gas draw-off pump c6 and regeneration gas separating equipment for purification c7, ammonia memory device c13, CO
2Compositions such as memory device c10, gas switch valve c11, electrical control equipment c14.
The import of desorber c1 is connected with the blanking conveyance conduit of adsorbent equipments at different levels.The outlet of desorber c1 below is provided with blanking device c2, and the below of blanking device c2 is provided with connecting gear c3, is poly-material mouthful below blanking place of connecting gear c3, and poly-material mouthful connects the sorting mechanism d3 that conveyance conduit enters sorting unit D.
Cooperate desorber c1 that heat energy c4, heat energy pump c5, regeneration gas draw-off pump c6 and regeneration gas separating equipment for purification c7 are set, heat energy c4, activated coke regeneration necessary energy is provided for desorber c1 by heat energy pump c5, the waste gas of its output is sent into by pipeline.Regeneration gas draw-off pump c6 one end is connected with pump structure outlet conduit among the desorber c1, and the other end is connected with the import of regeneration gas separating equipment for purification c17.The CO of the separation of regeneration gas separating equipment for purification c17
2Delivery outlet and CO
2Memory device c10 connects; The rich SO of the separation of regeneration gas separating equipment for purification c17
2Gas delivery port conveyance conduit c8 connects, and delivers to byproduct reforming unit inlet.
Ammonia memory device c13 is used for denitration to be used, and its output is connected another input interface and the CO of gas switch valve c11 with the input interface of gas switch valve c11
2The outlet of memory device c10 connects, and gas switch valve c11 is one two controllable valve that selects one output, and its output connects conveyance conduit, sends into the import of the ammonia access mechanism b19 of each adsorbent equipment B.
Electrical control equipment c14 is the primary equipment and the secondary device of whole device, and measurement, the monitoring sensor signal of the power supply of each electrical equipment of feedway, structure and collection package unit also handled.
Desorber should be selected the equipment of the waste heat that discharges in the time of can making full use of the activated coke cooling for use, to save operating cost, its equipment should have adjusting and adapt to the function of activated coke blanking velocity, and changing with fully loaded coal-fired sulfur content needs the burnt blanking velocity of modulability to satisfy the demand of desulfuration efficiency.
Cutting agency and connecting gear are selected for use the few equipment of activated coke wearing and tearing.
If carbon dioxide separation equipment is not set, can adopt the equipment of system nitrogen, replace CO
2Memory device and effect thereof.
(5) about sorting unit
Sorting unit D is arranged in the below of desorption apparatus C, is positioned under the horizon.It is made up of sorting mechanism d3, dust storage silo d2 and extraction mechanism d4, activated coke interpolation storehouse d1.
Sorting mechanism d3 is placed in the below of the poly-material mouth in connecting gear c3 below; the pipeline that is connected with poly-material mouth communicates with the inlet of sorting mechanism d3; the coarse granule activated coke outlet below of sorting mechanism d3 is that activated coke is added storehouse d1, and the dust outlet below of its separation is dust storage silo d2.Dust extraction mechanism d4 is set.Activated coke is added storehouse d1 and has been settled hoisting mechanism E (or a plurality of), and activated coke is sent into cloth storage silo A by hoisting mechanism E.
Screening installation can adopt roller screen or horizontal screen, should cooperate consideration with hoisting mechanism, to help the material of getting of hoisting mechanism.
(6) about hoisting mechanism
Hoisting mechanism E is placed in a lateral surface of whole device, and its outlet is connected with the inlet of cloth storage silo A, and its inlet is positioned at the activated coke of sorting unit D and adds storehouse d1.The activated coke that it adds storehouse d1 with activated coke promotes and sends into cloth storage silo A.
Hoisting mechanism can be the conduit pipe pneumatically connecting gear, also can be other feed mechanisms such as tipping bucket connecting gear etc., also can be single, also can be a plurality of.
The selection of hoisting mechanism quantity, should consider the effect of its conveying, can make the gravity that activated coke is born in each blanking conveyance conduit of cloth storage silo even, activated coke is evenly distributed as far as possible or can flows unimpeded smoothly, when adopting single hoisting mechanism, for reaching this purpose, approach has three: 1, hoisting mechanism can move about energy on the conveyor surface back and forth; 2, in the cloth storage silo, material-feeding mechanism is set; 3, increase the height of cloth storage silo.
The present invention can extend to chemical field, is used for gaseous fluid multiple harmful and useless material purifies or to certain material occasion of concentrating, purifying wherein in the gaseous fluid.
Claims (5)
1, a kind of integrated counter-current cleaner, by adsorbent equipment, desorption apparatus and auxiliary device are formed, it is characterized in that (arrange and be formed by connecting by B1～Bn), desorption apparatus (C), sorting unit (D) order from top to bottom by cloth storage cabin (A), adsorbent equipment for this device, the upper end of hoisting mechanism (E) is connected with cloth storage cabin (A), the lower end of hoisting mechanism (E) is connected with sorting unit (D), exhanst gas outlet (F) connects each adsorbent equipment respectively, and (top of B1～Bn), gas approach (G) connect each adsorbent equipment (bottom of B1～Bn) respectively.
2, integrated counter-current cleaner according to claim 1, the top that it is characterized in that cloth storage cabin (A) is charging aperture, this charging aperture is connected with hoisting mechanism (E), the bottom of cloth storage cabin (4) is a discharging opening, and (the cloth valve (b11) of B1～Bn) is communicated with this discharging opening by conveyance conduit and each adsorbent equipment respectively.
3, integrated counter-current cleaner according to claim 1, it is characterized in that (B1～Bn) is sequential placement from top to bottom to adsorbent equipment, in each adsorbent equipment, be divided into flue gas output layer (b15) from top to bottom, adsorption reaction layer (b13), flue gas enters layer, cloth valve (b11) is positioned at the top of material-feeding mechanism (b12), material-feeding mechanism (b12) is positioned at the top of adsorption reaction layer (b13), adsorption reaction layer (b13) is connected with blanking awl (b16), the flue gas that cutting agency (b14) is arranged in blanking awl (B16) below enters layer, below the blanking awl (b16) is aggregate pipe (b18), this aggregate pipe (b18) is connected with desorption apparatus (C) by pipeline, also be provided with ammonia access mechanism (b19) in adsorption reaction layer (b13), the top that enters layer at flue gas also is provided with humidifying cooling passage (b17).
4, integrated counter-current cleaner according to claim 1, the top charging aperture that it is characterized in that desorption apparatus (C) is connected with the aggregate pipe (b18) of each adsorbent equipment of top, the discharging opening of desorption apparatus (C) is located at desorber (C1), the bottom be blanking device (C2), the below of blanking device (C2) is provided with connecting gear (C3), expects that by poly-mouth and pipeline and sorting unit (D) join in the below of connecting gear (C3).
5, integrated counter-current cleaner according to claim 1, it is characterized in that sorting unit (D) adds storehouse (d1) by activated coke, powder storage storehouse (d2), sorting mechanism (d3), extraction mechanism (d4) is formed, sorting mechanism (d3) is positioned at the top of sorting unit (D), powder warehouse (d2) in the sorting unit (D) and activated coke are added storehouse (d1) and are spaced from each other, the end of sorting mechanism (d3) and activated coke are added storehouse (d1) and are joined, the middle part of sorting mechanism is positioned at the top of dust warehouse (d2), extraction mechanism (d4) is positioned at dust warehouse (d2), and the lower end of hoisting mechanism (E) is positioned at activated coke and adds storehouse (d1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021125783A CN1167491C (en) | 2002-01-23 | 2002-01-23 | Integrated counter-current cleaner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021125783A CN1167491C (en) | 2002-01-23 | 2002-01-23 | Integrated counter-current cleaner |
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| Publication Number | Publication Date |
|---|---|
| CN1363413A true CN1363413A (en) | 2002-08-14 |
| CN1167491C CN1167491C (en) | 2004-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021125783A Expired - Lifetime CN1167491C (en) | 2002-01-23 | 2002-01-23 | Integrated counter-current cleaner |
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| CN (1) | CN1167491C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391577C (en) * | 2006-01-20 | 2008-06-04 | 史鱼海 | Coupling multistage device with active carbon purifying waste gas |
| CN102512905A (en) * | 2011-11-16 | 2012-06-27 | 瓮福（集团）有限责任公司 | Emission reduction method for tail gas in sulfuric acid production |
| CN103301715A (en) * | 2012-03-06 | 2013-09-18 | 承源环境科技企业有限公司 | Fluidized floating bed absorption material feeding method and purification system adopting method |
| CN103446847A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Method for supplying adsorption material to fluidized bed and system using the method |
| CN105413326A (en) * | 2015-12-25 | 2016-03-23 | 中冶北方（大连）工程技术有限公司 | Active coke flue gas purifying system |
| CN109482039A (en) * | 2018-12-14 | 2019-03-19 | 中国科学院过程工程研究所 | A kind of countercurrent flue gas purification device |
| CN110038391A (en) * | 2019-05-06 | 2019-07-23 | 国家能源投资集团有限责任公司 | Powdered activated coke moving bed desulfurizer |
-
2002
- 2002-01-23 CN CNB021125783A patent/CN1167491C/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391577C (en) * | 2006-01-20 | 2008-06-04 | 史鱼海 | Coupling multistage device with active carbon purifying waste gas |
| CN102512905A (en) * | 2011-11-16 | 2012-06-27 | 瓮福（集团）有限责任公司 | Emission reduction method for tail gas in sulfuric acid production |
| CN103301715A (en) * | 2012-03-06 | 2013-09-18 | 承源环境科技企业有限公司 | Fluidized floating bed absorption material feeding method and purification system adopting method |
| CN103446847A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Method for supplying adsorption material to fluidized bed and system using the method |
| CN105413326A (en) * | 2015-12-25 | 2016-03-23 | 中冶北方（大连）工程技术有限公司 | Active coke flue gas purifying system |
| CN105413326B (en) * | 2015-12-25 | 2017-09-19 | 中冶北方（大连）工程技术有限公司 | A kind of activated coke flue gas purification system |
| CN109482039A (en) * | 2018-12-14 | 2019-03-19 | 中国科学院过程工程研究所 | A kind of countercurrent flue gas purification device |
| CN110038391A (en) * | 2019-05-06 | 2019-07-23 | 国家能源投资集团有限责任公司 | Powdered activated coke moving bed desulfurizer |
| CN110038391B (en) * | 2019-05-06 | 2021-08-27 | 国家能源投资集团有限责任公司 | Powder active coke moving bed desulfurizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1167491C (en) | 2004-09-22 |
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