CN102380296A - Desulfurizing, dust removing and purifying device - Google Patents
Desulfurizing, dust removing and purifying device Download PDFInfo
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- CN102380296A CN102380296A CN2010102661829A CN201010266182A CN102380296A CN 102380296 A CN102380296 A CN 102380296A CN 2010102661829 A CN2010102661829 A CN 2010102661829A CN 201010266182 A CN201010266182 A CN 201010266182A CN 102380296 A CN102380296 A CN 102380296A
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Abstract
The invention provides a desulfurizing, dust removing and purifying device, which comprises an alkaline liquor supply device, an ash settling basin, a circulating water pool and a desulfurizing and dust removing tower, and is characterized by further comprising a grating filter. In the invention, desulfurization is performed by using printing and dyeing waste water, so that the desulfurizing efficiency is high, the manufacturing cost is low, and the production cost is low.
Description
Technical field
The invention belongs to the desulfurization and dedusting technology field, particularly a kind of desulfurization dust separation device.
Background technology
The desulfation dust-extraction device that uses on the market adopts electrostatic precipitation and spraying desulphurization plant to combine; When being used for large tonnage boiler and kiln; Desulfuration efficiency is low, and the meeting generation local corrosion after long-time use of the tower body in the existing apparatus, is unfavorable for long-term use.And existing apparatus need make alkali lye and carry out desulfurization, and manufacturing cost and producing cost are very high.
At present; Because the consideration of environmental protection requirement and cost, the someone does the way of industrial alkali waste water as desulfurization alkali lye, but can not well remove (such as printing and dyeing industrial waste water owing to containing impurity in the useless industrial alkali liquid; Be exactly good alkali lye; But it contains a large amount of fiber fines), cause link possibly cause secondary pollution in desulfurization, also there be not real being applied in the desulfurization.
Summary of the invention
To the objective of the invention is in order addressing the above problem, to provide a kind of dyeing waste water that utilizes to carry out desulfurization, not only desulfuration efficiency height, and low cost of manufacture, the desulfurization dust separation device that producing cost is low.
In order to achieve the above object, technical scheme provided by the invention is: a kind of desulfurization dust separation device, comprise waste water water channel, alkali lye pond, alkali lye feeding mechanism, circulating water pool, desulfurization and dedusting tower, and also comprise the grid filtration machine; The grid filtration machine is installed between waste water water channel and the alkali lye pond; Alkali lye feeding mechanism one end is connected with the alkali lye pond, and the other end is connected with circulating water pool; Circulating water pool is communicated with the desulfurization and dedusting tower; The desulfurization and dedusting tower is built the folded tower body that forms by the multilayer masonry, and it comprises spray deentrainment tower portion, exhaust gases passes portion and portion of pretreatment chamber; Spray deentrainment tower portion comprises except that fog chamber's layer, spray chamber layer, circulation chamber layer and bottom successively; Except bottom has one deck, other each layer has one or more layers; The circulation chamber layer is arranged on the bottom; The spray chamber layer is arranged on the circulation chamber layer; Removing fog chamber's layer is arranged on the spray chamber layer; Each removes the rinse jet that fog chamber's layer all is equipped with demister and demister; Exhaust gases passes portion is positioned at a side of spray deentrainment tower; Its outlet flue is communicated with the tower body of the top layer that removes fog chamber's layer, and extends downward the exhanst gas outlet that is arranged on the tower body bottom; Pretreatment chamber is placed in and is positioned at spray deentrainment tower portion opposite side, and pretreatment chamber is communicated with the spray deentrainment tower, and the pretreatment chamber bottom is provided with and is connected with the bottom tower body and the pond portion of store water jointly; The bottom of tower body and pretreatment chamber's equidirectional the next door be provided with the flue gas flow pass;
Portion of pretreatment chamber is provided with smoke inlet on roof, pretreatment chamber communicates with the flue gas flow pass through the pretreated fumes passage, and flue gas flow pass bottom is communicated with pond portion;
The pretreatment chamber front portion is provided with smoke inlet, and the rear portion is communicated with the flue gas flow pass through the pretreated fumes passage, and smoke inlet is communicated with pond portion;
Pretreatment chamber's internal upper part is provided with a plurality of nozzles through pipeline;
The grid filtration machine comprises frame, cleaning mechanism, shower nozzle, driving mechanism, drive balls chain, the dirty chain of rake and screen pack; Frame places in the water channel; Driving mechanism is installed on upper rack, harrows dirty chain and is installed in the frame; The front portion of harrowing dirty chain becomes 60 ° of-80 ° of angles with water channel, it is parallel with water channel to harrow dirty chain rear portion; Drive balls chain one end is connected with the power transmission shaft of driving mechanism, and the other end is connected with the sprocket wheel of the dirty chain of rake; Shower nozzle is installed on the inside at the dirty chain of rake rear portion; Cleaning mechanism is installed in the frame outside, and is connected with shower nozzle through pipeline; Screen pack is installed on the outside of the dirty chain of rake; The grid filtration machine also comprises ash bucket; Ash bucket is installed in the frame, harrows dirty chain lower rear; The grid filtration machine also comprises the accumulation of impurities device, and the accumulation of impurities device is installed in the top of ash bucket, is tilted by side direction ash bucket in the frame at rear portion;
Each demister that removes fog chamber's layer comprises that housing, dividing plate and a plurality of passage that is contained in the housing and separates with dividing plate, have bending channel pull.The housing horizontal setting is being located on 50 layers the port perisporium, and flooding nozzle can be placed in the top and/or the below of demister, the plate face that the spout of nozzle is vertically pulled towards the passage with bending channel through pipeline;
Remove and be provided with two demisters up and down in fog chamber's layer, be positioned at following demister and respectively be provided with some flooding nozzles with the below above it, be positioned at top demister and thereunder be provided with some flooding nozzles;
The bottom of tower body is provided with water outlet and blowdown ditch on a side relative with pretreatment chamber; Water outlet is communicated with an end of blowdown ditch; The other end of blowdown ditch is communicated with ash settling basin; The grid filtration machine places in the blowdown ditch; Exhanst gas outlet then is arranged on the circulation chamber layer relative position on the bottom of tower body of said water outlet;
Remove on the sidewall of top layer tower body of fog chamber's layer and also be provided with salable maintenance window of closing; Be provided with heating tube in the passage of exhaust gases passes portion;
The multilayer masonry that the desulfurization and dedusting tower is built the folded tower body that forms is a granite, and said nozzle is the fountain spiral nozzle.
When the present invention uses; Flue gas gets into pretreatment chamber through the smoke inlet on pretreatment chamber top; At first receive the alkali lye water spray of nozzle ejection, impact the water surface of pond portion again or portion's feeding, get into the flue gas flow pass through the pretreated fumes passage then and flow to the spray deentrainment tower from the pond.In the process, flue gas and alkaline reaction remove and absorb SO once more
2Outside flue dust, also absorb its heat content in large quantities, its temperature is reduced significantly.Generally, the flue-gas temperature of handling through pretreatment chamber can drop to 60-80 °, and this will create good condition for the desulfurization and dedusting of follow-up spray deentrainment tower portion.
In spray deentrainment tower portion, alkali lye spray that the reaction flue gas stands twice nozzle again and the effect such as spray dust that removes that removes fog chamber's layer demister for twice, make device in the desulfurization and dedusting process effectively formation continuously, repeatedly absorb SO
2With soak and cling vaporific small flue dust or particle, almost completely dispose them at last.The desulfurization and dedusting tower of apparatus of the present invention is reliable, and nozzle has more than 20, and the water yield is big, wide coverage; Liquids and gases can fully contact, and also have demister, make the speed of flue gas reduce, and flue resistance increases; Help further clear dirt, therefore, except efficiency of dust collection remains on 96-99%; And significant desulfurization effect improves, common recirculated water alkalescence PH >=8.5, desulfuration efficiency: 95-97%.In addition, portion is provided with heating facility at exhaust gases passes, makes tower body not perishable, longer service life, and cost is low.
The present invention utilizes dyeing waste water as alkali lye water; With dyeing waste water through the waste water water channel from the front portion of grid filtration machine to rear flow; Along with driving mechanism drives the drive balls chain movement, rotate thereby drive the dirty chain of rake, the solids in the waste water is caught by screen pack; Discharge deliver to the higher position at frame rear portion through screen pack rotation after, and adopt compressed air to remove to be bonded at the dirt on the screen pack through shower nozzle.After washing discharging through shower nozzle, screen pack is able to automatically cleaning to filter screen device when the dirty chain of rake is taken in the dirty chain movement of rake, and impurity is fallen into ash bucket; The accumulation of impurities device is installed in the top of ash bucket; Interior side direction ash bucket by the rear portion frame tilts, and can prevent effectively that impurity from falling within outside the ash bucket, after use a period of time; Ash bucket cleared up get final product, deliver to circulating water pool through pump or supply valve again through the dyeing waste water of grid filtration machine.In circulating water pool, constantly monitor by the PH detector, keep recirculated water PH >=8-9, guarantee that desulfurized effect is up to standard.
Description of drawings:
Fig. 1: overall structural arrangement sketch map of the present invention;
Fig. 2: the profile of desulfurization and dedusting tower of the present invention;
Fig. 3: the structural representation of grid filtration machine of the present invention;
Fig. 4 a and Fig. 4 b: the demister front view and the longitudinal sectional view of desulfurization and dedusting tower;
Fig. 5: another kind of example structure sketch map of the present invention;
Fig. 6: the third example structure sketch map of the present invention.
The specific embodiment:
Embodiment 1:
A kind of desulfurization dust separation device comprises waste water water channel 1, alkali lye pond 2, alkali lye feeding mechanism 3, circulating water pool 5, desulfurization and dedusting tower 10, also comprises grid filtration machine 20; Grid filtration machine 20 is installed between waste water water channel 1 and the alkali lye pond 2; Alkali lye feeding mechanism 3 one ends are connected with alkali lye pond 2, and the other end is connected with circulating water pool 5; Circulating water pool 5 is communicated with desulfurization and dedusting tower 10;
In the present embodiment, desulfurization and dedusting tower 10 is to build the folded tower body that forms by granite, comprises a spray deentrainment tower 1I of portion, exhaust gases passes portion 12 and portion of pretreatment chamber 13; Its Shen; Spray deentrainment tower portion 11 is made up of 7 layers of tower body, comprises two successively except that fog chamber's layer 111,112, two spray chamber layers 113,114, two circulation chamber layers 115,116 and a bottom 117, and the height of bottom is at 3-5 rice; Circulation chamber layer 115,116 is for to be arranged on two layers overlapping on the bottom 117; The height of each layer is at 2-5 rice, and spray chamber layer 113,114 is for to be arranged on two layers overlapping on the circulation chamber layer 116, every layer height 2-3 rice; Remove fog chamber's layer 111,112 and be arranged on the spray chamber layer 113 every layer height 1-2 rice.
Whenever-spray chamber layer 113,114 is provided with 15,4 one at 24 nozzles row through pipeline 14 and is divided into six rows;
Remove fog chamber's layer be equipped with that two demisters 17 are used with three groups of cleaning demisters, be installed on the flooding nozzle 176 on the feedwater piping 16.In a preferred embodiment, two demisters 17 are separately positioned on and remove up and down in fog chamber's layer 111,112, and flooding nozzle 176 is arranged on down the above and below of removing fog chamber's layer 112, and goes up the below of removing fog chamber's layer 111, and every group of flooding nozzle is 8.Each demister 17 comprises housing 171, dividing plate 172 and a plurality of passage that is contained in the housing and separates with dividing plate, have bending channel 175 to be pulled 173,174 (it is that a side contains half bending channel, passage is pulled 174 relative both sides and contained bending channel that passage pulls 173; Two and half bending channels synthesize a bending channel 175); Wherein, Housing 171 horizontal settings are removing on fog chamber's layer 111,112 port perisporium; Flooding nozzle 176 can be placed in the top and/or the below of demister 111,112 through pipeline 16, and the spout of nozzle is vertically pulled 173,174 plate face towards the passage with bending channel.
Exhaust gases passes portion 12 is positioned at a side of spray deentrainment tower portion 11; The tower body that removes fog chamber's layer 111 of its outlet flue 121 and its top layer is communicated with, and extends downward from this tower body the exhanst gas outlet 122 that the tower body bottom is equivalent to circulation chamber layer 115 or 116 1 side positions is set.
Portion of pretreatment chamber 13 is placed in and is positioned at spray deentrainment tower 11 opposite sides, and portion of pretreatment chamber 13 is communicated with spray deentrainment tower portion 11, and portion of pretreatment chamber 13 bottoms are provided with and are connected with the bottom 117 of tower body and the pond portion 134 of store water jointly; The bottom 117 of tower body and portion of pretreatment chamber 13 equidirectionals next door 132 be provided with flue gas flow pass 133; Portion of pretreatment chamber 13 is provided with smoke inlet 131 on roof, portion of pretreatment chamber 13 communicates with flue gas flow pass 133 through pretreated fumes passage 135, and flue gas flow pass 133 bottoms are communicated with pond portion 134; Be provided with 8 nozzles 15 at portion of pretreatment chamber 13 internal upper parts through the pipeline 14 that sets up, be divided into two rows with 4 one rows
In addition, the bottom 117 of tower body is under exhanst gas outlet 122, and the circulation chamber layer opposite side of just relative with portion of pretreatment chamber 13 tower body is provided with the blowdown ditch 18 that separates with the next door, and grid filtration machine 20 is installed in the blowdown ditch.
As shown in Figure 3, grid filtration machine 20 comprises frame 201, cleaning mechanism 202, shower nozzle 203, driving mechanism 204, drive balls chain 205, the dirty chain 206 of rake and screen pack 207; Frame 201 places in the blowdown ditch 18; Driving mechanism 204 is installed on frame 201 tops, harrows dirty chain 206 and is installed in the frame 201; The front portion of harrowing dirty chain 206 becomes 60 ° of-80 ° of angles with horizontal plane, it is parallel with horizontal plane to harrow dirty chain 206 rear portions; Drive balls chain 205 1 ends are connected with the power transmission shaft of driving mechanism 204, and the other end is connected with the sprocket wheel of the dirty chain 206 of rake; Shower nozzle 203 is installed on the inside at the dirty chain of rake 206 rear portions; Cleaning mechanism 202 is installed in frame 201 outsides, and is connected with shower nozzle 203 through pipeline; Screen pack 207 is installed on the outside of the dirty chain 206 of rake;
Grid filtration machine 20 also comprises ash bucket 208; Ash bucket 208 is installed in the frame 201, harrows dirty chain 206 lower rear;
Grid filtration machine 20 also comprises accumulation of impurities device 209, and accumulation of impurities device 209 is installed in the top of ash bucket 208, is tilted by side direction ash bucket 208 in the frame 201 at rear portion
The top layer of tower body, just remove fog chamber's layer 111 and but on the madial wall of spray chamber layer 113.114 salable maintenance window 19 of closing is set.
In order to make nozzle 15 when spraying, reach same expulsion pressure, feed pipe, whenever promptly-pipeline 14 is reducer pipes (not drawing among the figure) of a undergauge, and nozzle is distributed in the undergauge both sides of reducer pipe equably.
The effect of each part of desulfurization, chimney and technical process:
At first; Give spiral or spray spout and flooding nozzle feed flow and water supply; The delivery pump of opening circulating water pool will wherein contain alkali lye offers portion of pretreatment chamber and spray chamber layer with the pump mode of taking out through pipeline spiral or spray spout; Open to remove fog chamber's layer water-supply valve simultaneously and supply water to flooding nozzle, in each layer of pretreatment portion chamber and spray deentrainment tower portion, spray in advance and spray through pipeline;
Then, the desulfurization and dedusting tower is mainly used in the coal-burning boiler desulfurization and dedusting, and the flue gas that is given off in the boiler will get in it from the smoke inlet on the roof of portion of pretreatment chamber 13 131.Because flue gas is to contain SO; Hot gas with the part flying dust; It is under temperature 140-160 ℃, buries chamber portion 13 to get in advance the place about speed 12 meter per seconds, flue gas just with its interior conduit 14 on the spray shape that ejects of 8 spiral nozzles 15 shape high pressure that atomizes contain the effect of alkali lye water; Form steam fog, and the alkalies curtain as water curtain that forms on this steam fog and portion of the pretreatment chamber inwall contacts.So, atomizing shape high pressure contains alkali lye water and mainly absorbs so in the flue gas, and reacts with it so that so is generated calcium sulfate/sodium sulphate and sodium sulphite etc., and flying dust can be glued and down diffluence by formation water curtain spray liquid on the inwall of portion of pretreatment chamber 13 in the flue gas.Then,, and under the fountain jet-action of nozzle, hold in the pond portion 134 and keep in the water of certain altitude and carry out water-bath, simultaneously, evoke the eddy current of water in the pond portion 134, SO in the flue gas to rush at a high speed through the flue gas flow direction pond portion 134 of above effect
2Again by alkali lye absorb, reaction, and the flying dust grit soaks, dissolve in the heavy water.After the flue gas water-bath, it removes the grit of right＞1.5 μ efficient and can reach 95%, also makes flue-gas temperature drop to the 70-80 degree, gets into the circulation chamber layer 115,116 of spray deentrainment tower portions 11 subsequently through the flue gas flow pass on the next door 132 of bottom 117 133.Here, should be noted that the flue-gas temperature after burying through pretreatment chamber portion 13 places can drop to 70-80 ℃ from 140-160 ℃, this is with the desulfurization that very helps in drenching deentrainment tower portion 11.
Then, desulfurization and the dedusting of flue gas in spray deentrainment tower portion, after the flue gas water-bath, it gets into the desulfurization of spray again and the dedusting of the circulation chamber layer receiving auger nozzle of spray deentrainment tower portion through the flue gas flow pass on the next door of bottom.
Circulation chamber layer 115,116 has two-layer, has relatively large spatial volume, can flow through more flue gas; So the flue gas setting two-layer spray chamber layer 113,114 above it of the chamber layer that circulates, and each spray chamber layer is provided with 28 spiral nozzles 15, the alkali lye that ejects at them has bigger contact coverage rate to flue gas; Therefore alkali lye water brings the heat vaporization to form moist steam flue gas; Increased fully contacting of alkali lye and moist steam greatly, promoted sulfur dioxide further to be absorbed, react, and impelled fly ash granule or dust to be soaked the liquid that becomes to contain ash by alkali lye; And spraying continuously through spray chamber layer 113,114 flue gas; Its speed, temperature are reduced to 3.8 meter per seconds and 50-60 ℃ respectively, the removing efficient and can reach 99% of grit, and desulfuration efficiency reaches 97%.
The demist syringe of in removing fog chamber's layer 111,112, installing 17 is to remove steam through the housing 171 that takes off mist flushing usefulness, through removing steam and little micronic dust, can drop to 3-4 from 10-8 through the liquid to steam ratio or the water capacity of the flue gas of spray chamber pull-up sulphur.In order not stop up housing, the flooding nozzle 176 of demist syringe 17 can be pulled the plate face flushing of 173,174 bending channel 175 facing to the housing passage, with the mediation bending channel, makes and does not stop up.At another ten thousand, the flooding nozzle of demist syringe 17 of the present invention is control automatically, and at first, two-layer up and down flooding nozzle is regularly to open and close; Secondly, alternately carry out last layer open; Lower floor closes, otherwise or mutually, the 3rd; Can replace at interval, the combination of just aforementioned two kinds of forms, two-layer up and down open or close time length can be different with the interval.
At last, remove the steam and the discharging of flue gas,, after the demister bending channel is removed flue gas steam and little micronic dust, get into exhaust gases passes portion, from exhanst gas outlet treated flue is discharged into outside the chimney at last along with flue gas rises to the layer except that the fog chamber.Through the flue gas of demist from the outlet flue 121 of top layer (removing fog chamber's layer 111) to exhaust gases passes portion 12; Because of at the middle part of exhaust gases passes portion 12 or the top of exhanst gas outlet 122; Be equivalent among Fig. 1 to be provided with in the passage of spray chamber layer 113,114 height that warm-air pipe 8 that the waste gas with boiler heats promotes the temperature of exhaust gases passes portion flue and because of the effect of bleeding of chimney 9; Make flue-gas temperature reach 60-70 ℃ with speed rise to about 11 meter per seconds; Making does not have dew in the flue of flue gas flue portion 12, last, and flue is discharged from exhanst gas outlet 122.The corrosion of the tower body inwall that can reduce greatly during through flue gas flue portion 12 granite is processed through the heating flue gas like this.
Behind above-mentioned desulfurization and dedusting, the dust-containing water of the heavy ash-pit deposition of pond portion 134 is through constantly entering ground ground ash settling basin 6 through blowoff valve 135.After a couple of days, long-pending ground ash settling basin 6 of having expired plaster is buried clearly, be discharged in another ash settling basin 136 on the ground of next door, or dig up dust stratification or machinery has dug and transported dust stratification to filter press 7, to be squeezed into piece through manual work with wherein plaster or through the blowdown flexible pipe.
Like Fig. 1, shown in Figure 3; Preparation that contains alkali lye and supply about all nozzles among the present invention; Because dyeing waste water is alkalescence, with dyeing waste water through waste water water channel 1 from the front portion of grid filtration machine 20 to rear flow, along with driving mechanism 204 drives 205 motions of drive balls chains; Thereby driving the dirty chain 206 of rake rotates; Solids in the waste water is caught by screen pack 207, discharges deliver to the higher position at frame rear portion through screen pack 207 rotation after, and adopts compressed air to remove through shower nozzle to be bonded at the dirt on the screen pack 207.Screen pack 207 device when the dirty chain 206 of rake is taken in dirty chain 206 motions of rake after through shower nozzle 203 flushing dischargings; Screen pack 207 is able to automatically cleaning, and impurity is fallen into ash bucket 208, and accumulation of impurities device 209 is installed in the top of ash bucket 208; Interior side direction ash bucket 208 by rear portion frame 201 tilts; Can prevent effectively that impurity from falling within outside the ash bucket 208, use a period of time after, ash bucket 208 cleared up get final product; Dyeing waste water through grid filtration machine 20 gets into alkali lye pond 2, delivers to circulating water pool 5 through alkali lye feeding mechanism 3 (the alkali lye feeding mechanism of present embodiment is a pump) again.In circulating water pool 5, constantly monitor by PH detector 51, keep recirculated water PH >=8-9, guarantee that desulfurized effect is up to standard.
The alkali lye that contains in circulating water pool 5 is to take out or mode such as plate valve 41 controls offers the nozzle 15 of portion of pretreatment chamber 13 and spray chamber layer 113,114 through pipeline 14 and with pump.
Desulfurization and dedusting tower 10 can be located on the ground ash settling basin 6 that is above the ground level, and does not need any equipment, just can directly the mud buck be entered in the pond and from the pond and dispose.Whole device has compact conformation, and is in light weight, easy for installation, last detective.In day-to-day operation, can not produce to establish respectively to split extremely and leak.
Embodiment 2:
As shown in Figure 5, the difference of present embodiment and embodiment 1 is: portion of pretreatment chamber 13 front portions are provided with smoke inlet 131, and the rear portion is communicated with flue gas flow pass 133 through pretreated fumes passage 135, and smoke inlet 131 is communicated with pond portion 134.
Embodiment 3:
As shown in Figure 6, the difference of present embodiment and embodiment 2 is divided into two rows for also to be provided with 6 nozzles 15 at portion of pretreatment chamber 13 internal upper parts through the pipeline 14 that sets up with 3 one rows.
Claims (10)
1. a desulfurization dust separation device comprises waste water water channel, alkali lye pond, alkali lye feeding mechanism, circulating water pool, desulfurization and dedusting tower, it is characterized in that: also comprise the grid filtration machine; Described grid filtration machine is installed between described waste water water channel and the described alkali lye pond; Described alkali lye feeding mechanism one end is connected with described alkali lye pond, and the other end is connected with described circulating water pool; Described circulating water pool is communicated with described desulfurization and dedusting tower; Described desulfurization and dedusting tower is built the folded tower body that forms by the multilayer masonry, and it comprises spray deentrainment tower portion, exhaust gases passes portion and portion of pretreatment chamber; Described spray deentrainment tower portion comprises successively and removes fog chamber's layer, spray chamber layer, circulation chamber layer and bottom; Except bottom has one deck, other each layer has one or more layers; Described circulation chamber layer is arranged on the bottom; Described spray chamber layer is arranged on the circulation chamber layer; The described fog chamber's layer that removes is arranged on the spray chamber layer; Described each remove the rinse jet that fog chamber's layer all is equipped with demister and demister; Described exhaust gases passes portion is positioned at a side of described spray deentrainment tower; Its outlet flue is communicated with the tower body of the top layer that removes fog chamber's layer, and extends downward the exhanst gas outlet that is arranged on the tower body bottom; Described pretreatment chamber is placed in and is positioned at described spray deentrainment tower portion opposite side, and described pretreatment chamber is communicated with described spray deentrainment tower, and described pretreatment chamber bottom is provided with and is connected with described bottom tower body and the pond portion of common store water; The bottom of described tower body and described pretreatment chamber equidirectional the next door be provided with the flue gas flow pass.
2. desulfurization dust separation device according to claim 1; It is characterized in that: portion of described pretreatment chamber is provided with smoke inlet on roof; Described pretreatment chamber communicates with described flue gas flow pass through the pretreated fumes passage, and described flue gas flow pass bottom is communicated with described pond portion.
3. desulfurization dust separation device according to claim 1; It is characterized in that: described pretreatment chamber front portion is provided with smoke inlet; The rear portion is communicated with described flue gas flow pass through the pretreated fumes passage, and described smoke inlet is communicated with described pond portion.
4. according to claim 2 or 3 described desulfurization dust separation devices, it is characterized in that: described pretreatment chamber internal upper part is provided with a plurality of nozzles through pipeline.
5. desulfurization dust separation device according to claim 1 is characterized in that: described grid filtration machine comprises frame, cleaning mechanism, shower nozzle, driving mechanism, drive balls chain, the dirty chain of rake and screen pack; Described frame places in the described water channel; Described driving mechanism is installed on described upper rack, and the dirty chain of described rake is installed in the described frame; The front portion of the dirty chain of described rake becomes 60 ° of-80 ° of angles with described water channel, the dirty chain of described rake rear portion is parallel with described water channel; Described drive balls chain one end is connected with the power transmission shaft of described driving mechanism, and the other end is connected with the sprocket wheel of the dirty chain of described rake; Described shower nozzle is installed on the inside at the dirty chain of described rake rear portion; Described cleaning mechanism is installed in the described frame outside, and is connected with described shower nozzle through pipeline; Described screen pack is installed on the outside of the dirty chain of described rake; Described grid filtration machine also comprises ash bucket; Described ash bucket is installed in the described frame, the dirty chain lower rear of described rake; Described grid filtration machine also comprises the accumulation of impurities device, and described accumulation of impurities device is installed in the top of described ash bucket, is tilted by side direction ash bucket in the frame at rear portion.
6. desulfurization dust separation device according to claim 1 is characterized in that: described each demister that removes fog chamber's layer comprises that housing, dividing plate and a plurality of passage that is contained in the housing and separates with dividing plate, have bending channel pull.Described housing horizontal setting is being located on 50 layers the port perisporium, and described flooding nozzle can be placed in the top and/or the below of demister, the plate face that the spout of nozzle is vertically pulled towards the passage with bending channel through pipeline.
7. desulfurization dust separation device according to claim 6; It is characterized in that: described removing is provided with two demisters up and down in fog chamber's layer; Be positioned at following demister and respectively be provided with some flooding nozzles with the below above it, be positioned at top demister and thereunder be provided with some flooding nozzles.
8. desulfurization dust separation device according to claim 1 is characterized in that: the bottom of described tower body is provided with water outlet and blowdown ditch on a side relative with described pretreatment chamber; Described water outlet is communicated with an end of described blowdown ditch; The other end of described blowdown ditch is communicated with described ash settling basin; Described exhanst gas outlet then is arranged on the circulation chamber layer relative position on the bottom of tower body of said water outlet.
9. desulfurization dust separation device according to claim 1 is characterized in that: also be provided with salable maintenance window of closing on the sidewall of the described top layer tower body that removes fog chamber's layer; Be provided with heating tube in the passage of described exhaust gases passes portion.
10. desulfurization dust separation device according to claim 1 is characterized in that: the multilayer masonry that described desulfurization and dedusting tower is built the folded tower body that forms is a granite, and said nozzle is the fountain spiral nozzle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102661829A CN102380296A (en) | 2010-08-26 | 2010-08-26 | Desulfurizing, dust removing and purifying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102661829A CN102380296A (en) | 2010-08-26 | 2010-08-26 | Desulfurizing, dust removing and purifying device |
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| CN102380296A true CN102380296A (en) | 2012-03-21 |
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| CN2010102661829A Pending CN102380296A (en) | 2010-08-26 | 2010-08-26 | Desulfurizing, dust removing and purifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498505A (en) * | 2016-02-17 | 2016-04-20 | 徐州工程学院 | Industrial waste gas dust removal and desulfurization device and dust removal and desulfurization method |
| CN109181786A (en) * | 2018-09-30 | 2019-01-11 | 胡自然 | A kind of coke oven gas desulfurization improved process |
| CN113828136A (en) * | 2021-10-15 | 2021-12-24 | 上海电气集团股份有限公司 | Flue gas treatment system and treatment method |
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| CN105498505A (en) * | 2016-02-17 | 2016-04-20 | 徐州工程学院 | Industrial waste gas dust removal and desulfurization device and dust removal and desulfurization method |
| CN109181786A (en) * | 2018-09-30 | 2019-01-11 | 胡自然 | A kind of coke oven gas desulfurization improved process |
| CN109181786B (en) * | 2018-09-30 | 2020-11-24 | 安徽金森源环保工程有限公司 | Improved process for coke oven gas desulfurization |
| CN113828136A (en) * | 2021-10-15 | 2021-12-24 | 上海电气集团股份有限公司 | Flue gas treatment system and treatment method |
| CN113828136B (en) * | 2021-10-15 | 2024-04-12 | 上海电气集团股份有限公司 | Flue gas treatment system and method |
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Application publication date: 20120321 |