CN203291711U - Integrated flue gas dry-process waste removing system - Google Patents
Integrated flue gas dry-process waste removing system Download PDFInfo
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- CN203291711U CN203291711U CN2013203597744U CN201320359774U CN203291711U CN 203291711 U CN203291711 U CN 203291711U CN 2013203597744 U CN2013203597744 U CN 2013203597744U CN 201320359774 U CN201320359774 U CN 201320359774U CN 203291711 U CN203291711 U CN 203291711U
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Abstract
The utility model provides an integrated flue gas dry-process waste removing system which comprises two reaction towers. Flue gases enter one reaction tower from bottom to top for running and pass a three-layer particle layer fixing bed disposed in the tower to have physical reaction to remove harmful gases; simultaneously a particle layer fixing bed located in the other reaction tower is back washed through a spraying and blowing device from top to bottom. Resistance of the particle layer fixing beds is reduced, dusty gases enter a bag dust collector to be filtered and then can be directly discharged into the air, the two reaction towers perform waste removal and back washing processes alternately, and therefore efficiency is greatly improved and full-automatic continuous operating can be achieved.
Description
Technical field
The utility model relates to a kind of waste scavenging device, relates to particularly the integrated dry method of a kind of flue gas and takes off useless system.
Background technology
Along with socioeconomic development, industrial development is also more and more rapider, but the dust that brings in industrial production is also a lot, and these dust mainly are present in gas, therefore just corresponding dust arrester need to be set.The Bed Filtration dust arrester, because adopting resistant to elevated temperatures filtrate, as quartz sand etc., has advantage in the gas cleaning at high temperature field.But traditional Bed Filtration dust arrester is often because the selection to particle type and size is inaccurate, and unsuitable flusher causes ash-removal effect bad, thereby has affected operating efficiency.the patent No. is in the utility model patent specification of ZL88201515.X, to disclose a kind of combustion inferior coal boiler electricity granular-layer duster, it is comprised of the pre-charge device of sedimentation indoor location and the dirt gas part flow arrangement of boiling reverse gas cleaning gravel bed filter, this device has been cancelled traditional rake and transmission mechanism, relatively simple for structure, the energy dry method, efficiently, low-resistance is collected the flue dust that the combustion inferior coal boiler is discharged, the inequality but the air distribution plate that this device makes to support filtrate due to structural reason is heated, yielding and generation is leaked and is expected and gas leakage, can not be applicable to the occasion that high temperature or temperature fluctuation are large.In addition, existing dedusting is taken off waste-removing device and often can not be realized taking off useless and clean two kinds and operate in same device and carry out simultaneously, and this greatly reduces speed and efficiency that flue gas is processed, has improved simultaneously manpower and operating cost.
The utility model content
in order to solve the problems of the technologies described above, the utility model provides the integrated dry method of a kind of flue gas to take off useless system, it comprises A reaction tower and the B reaction tower that is arranged side by side and fix on the ground by steel bracket, top and bottom at A reaction tower and B reaction tower are connected with horizontally disposed pure qi (oxygen) pipeline and flue respectively, on pure qi (oxygen) pipeline and flue, be provided with separately four thief holes, between the top of A reaction tower or B reaction tower and pure qi (oxygen) pipeline, be provided with the first switching over valve, between the bottom of A reaction tower or B reaction tower and flue, be provided with the second switch transfer valve, the A reaction tower is identical with the internal placement of B reaction tower, wherein, on the vertical direction of A reaction tower and B reaction tower inside, be provided with tertiary granule layer fixed bed, higher level's stratum granulosum fixed bed from top to bottom successively, intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed, in A reaction tower and B reaction tower inside, between the first switching over valve and higher level's stratum granulosum fixed bed, between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed, between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed and between the solid fixed bed of subordinate's stratum granulosum and second switch transfer valve, all be set to the gas storehouse, in every grade particles layer fixed bed, be placed with the zeolite granular for purifying smoke, originally take off useless system and also comprise the two cover blowing devices that are separately positioned on A reaction tower and the B reaction tower outside, on the lateral surface vertical direction of this two covers blowing device, be respectively arranged with three backwash source of the gas outlets, this two covers blowing device is respectively by between the first switching over valve and higher level's stratum granulosum fixed bed in the outlet of three backwash sources of the gas and three winding-up tube connectors and A reaction tower or B reaction tower, De Wai side entrance, three gas storehouses between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed and between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed is connected, on blowing device and winding-up tube connector that A reaction tower or B reaction tower are communicated with, be provided with the second Pneumatic butterfly valve of controlling gas flow, between A reaction tower and B reaction tower, be provided with sack cleaner, it is be used to filtering the backwash flue gas, the both sides, filter chamber at sack cleaner middle part are respectively by three identical A tower backwash smoke outlet tubes and three identical B tower backwash smoke outlet tubes respectively and between higher level's stratum granulosum fixed bed of A reaction tower and B reaction tower and intermediate grain layer fixed bed, between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed and subordinate's stratum granulosum fixed bed with three gas storehouses between the second switch transfer valve, be connected, on three A tower backwash smoke outlet tubes and three B tower backwash smoke outlet tubes, be respectively arranged with the first Pneumatic butterfly valve of controlling gas flow, it is for A, lock gas between B reaction tower and sack cleaner and locellus backwash deashing, it is in normally off, only working as for A, during the locellus backwash and regeneration of the tertiary granule layer fixed bed of B reaction tower, open, in the bottom of sack cleaner, be provided with the ash discharge outlet, the backwash flue gas is after sack cleaner filters, gas is directly effluxed.
Preferably, one end of pure qi (oxygen) pipeline is air exit, this air exit is connected with the entrance that is arranged on ground blower fan, the outlet of blower fan is connected with the chimney that vertically arranges, pure qi (oxygen) pipeline, blower fan and chimney form the negative-pressure operation system, like this, blower fan can configure for driving so that the ducted gas of pure qi (oxygen) discharge, and an end sealing of flue, the other end is connected with the coal stove of discharging flue gas.
Preferably, also comprise flue gas discharge continuous monitoring system, described monitoring system arranges the export department of chimney, its role is to can Real-Time Monitoring smoke components after taking off useless the processing, be used to the catalytic reaction of taking off useless system and the switchover operation of backwash and regeneration.
Preferably, above-mentioned flue gas discharge continuous monitoring system comprises integrated manipulator, it takes off the switching of useless all valves of system for control, in every grade particles layer fixed bed, be provided with dust detector and pressure sensor, it is be used to measuring inter-stage dust concentration and pressure, thus judgement take off in the reaction tower of useless reaction taking off useless reaction whether complete and judgement whether carry out the flushing of stratum granulosum fixed bed in the reaction tower of backwash reaction complete.
Preferably, every grade particles layer fixed bed includes top cover and bottom, this top cover and bottom are metallic sieve, in addition, in every grade particles layer fixed bed, rotatable yi word pattern rake is set, it,, for when the stratum granulosum fixed bed is backwashed, stirring the stratum granulosum fixed bed, destroys dust bridge and the adsorptivity in stratum granulosum fixed bed zone, makes fine dust flow to into stratum granulosum fixed bed top and be taken out of the stratum granulosum fixed bed with backwash gas.
Preferably, this zeolite granular contains a kind of in platinum, iron, nickel, zinc, radium, ruthenium or silicon at least.
Preferably, the endocorpuscular grain diameter of every grade particles layer fixed bed is identical, the grain diameter difference in different grade particles layer fixed bed.
Preferably, the grain diameter in subordinate's stratum granulosum fixed bed, intermediate grain layer fixed bed and higher level's stratum granulosum fixed bed reduces successively, and particularly, particle diameter is respectively 13mm, 4.5mm and 1.5mm.
Preferably, the described flue gas that is discharged in A reaction tower and B reaction tower by flue contains CO, CO at least
2, SO
2Perhaps NO
xIn a kind of, the CO in flue gas, CO
2, SO
2And NO
xDuring by every grade particles layer fixed bed, under the effect of zeolite, the molecular scission of these molecules, discharge oxonium ion, and oxonium ion, nitrogen ion gather and generate respectively oxygen and nitrogen, sees through the stratum granulosum fixed bed and be discharged in atmosphere by the pure qi (oxygen) pipeline; The element such as S, C with flue gas in other ions binding, its product is stayed particle surface.
the utility model also provides a kind of flue gas that has adopted above-mentioned flue gas to take off useless system to take off useless and back-flushing method, it is characterized in that: described method comprises that flue gas takes off useless reaction and backwash reaction, at flue gas, take off in useless workflow, the flue gas that coal stove is discharged enters into flue by the manual adjustments push-pull valve, wherein, the manual adjustments push-pull valve can be controlled the flow that enters flue, at this moment, integrated manipulator is controlled the second switch transfer valve of B reaction tower bottom and is closed, flue gas takes off useless operation in the A reaction tower, particularly, flue gas enters into the A reaction tower and passes successively subordinate's stratum granulosum fixed bed from A reaction tower bottom, intermediate grain layer fixed bed and higher level's stratum granulosum fixed bed take off useless reaction, particularly, flue gas detaches SO wherein
2and NO
X, the second Pneumatic butterfly valve between A reaction tower and blowing device and the first Pneumatic butterfly valve between A reaction tower and sack cleaner are closed therebetween, like this, final through taking off the useless flue gas that reacts through the pure qi (oxygen) pipeline and under the effect of blower fan, being inhaled into chimney, thereby be discharged from, when the A reaction tower takes off useless reaction, in the B reaction tower, carry out the backwash and regeneration operation, at this moment, the first Pneumatic butterfly valve between the second Pneumatic butterfly valve between B reaction tower and blowing device and B reaction tower and sack cleaner is opened, the first switching over valve and second switch transfer valve in the B reaction tower are all closed, high pressure washing gas is from entering into respectively being positioned on higher level's stratum granulosum fixed bed of B reaction tower by three pipelines blowing device, between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed and in three gas storehouses between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed, thereby the flushing gas that enters into each gas storehouse enters between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed under the effect of negative pressure, being passed down through adjacent stratum granulosum fixed bed, between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed and in the gas storehouse below subordinate's stratum granulosum fixed bed, by flushing gas, hold up every grade particles layer fixed bed like this, make the particle disturbance in the stratum granulosum fixed bed, boiling, and then remove the dust that is attached to particle surface and realize the backwash effect, the flushing gas that the stratum granulosum fixed bed is cleaned enters into sack cleaner by three backwash smoke outlet tubes of B reaction tower respectively, finally in sack cleaner outside discharge system after filtering, it is complete that useless reaction is taken off in dust detector in the A reaction tower and pressure sensor judgement, simultaneously after the flushing of the dust detector between B reaction tower internal granular layer fixed bed and pressure sensor judgement B reaction tower stratum granulosum fixed bed is complete, the smoke components of flue gas discharge continuous monitoring system Real-Time Monitoring after taking off useless the processing, and close the second Pneumatic butterfly valve on pipeline between the first Pneumatic butterfly valve on pipeline between B reaction tower and sack cleaner and B reaction tower and blowing device by integrated manipulator, open its second switch transfer valve and the first switching over valve, thereby enter, take off useless reaction, correspondingly, the second Pneumatic butterfly valve between the first Pneumatic butterfly valve between integrated manipulator unlatching A reaction tower and sack cleaner on pipeline and A reaction tower and blowing device on pipeline, close its second switch transfer valve and the first switching over valve, thereby enter the backwash reaction, like this, between A reaction tower and B reaction tower, hocket and take off useless reaction and backwash reaction, greatly improved operating efficiency, and lowered the equipment use cost, realize operation continuously.
Adopt flue gas of the present utility model to take off useless system, flue gas enters the tower operation from bottom to top by one of them reaction tower, through tertiary granule layer fixed bed in tower, carries out physical reactions, removes pernicious gas; By blowing device, the stratum granulosum fixed bed of another reaction tower inside is carried out to backwash from top to bottom simultaneously, reduce stratum granulosum fixed bed resistance, dusty gas enters after sack cleaner filters can directly enter atmosphere, such two reaction towers hocket and take off useless and counter-flushing process, not only greatly improve efficiency, and can also realize full-automatic operation continuously.
The accompanying drawing explanation
Fig. 1 takes off the schematic diagram of useless system according to the integrated dry method of a kind of flue gas of a representative embodiment in the utility model.
The specific embodiment
In the 1 pair of the utility model, a detailed representative embodiment is described below with reference to the accompanying drawings.
Fig. 1 shows the integrated dry method of a kind of flue gas and takes off useless system, it comprises A reaction tower 3 and the B reaction tower 5 that is arranged side by side and fix on the ground by steel bracket, this A reaction tower 3 and B reaction tower 5 can be that cross section is that circular cylinder or cross section is polygonal cylinder, the outer wall of these two reaction towers is stainless steel 304 L, outer wall thickness 5mm, top and bottom at A reaction tower 3 and B reaction tower 5 are respectively arranged with horizontally disposed pure qi (oxygen) pipeline 1 and flue 16, wherein the caliber of pure qi (oxygen) pipeline 1 and flue 16 is preferably 550mm, on pure qi (oxygen) pipeline 1 and flue 16, be provided with separately four thief holes, wherein the top of A reaction tower 3 and B reaction tower 5 is connected with pure qi (oxygen) pipeline 1 respectively, between the top of A reaction tower 3 or B reaction tower 5 and pure qi (oxygen) pipeline 1, be provided with the first switching over valve 25, the bottom of A reaction tower 3 and B reaction tower 5 is connected with flue 16, between the bottom of A reaction tower 3 or B reaction tower 5 and flue 16, be provided with second switch transfer valve 26, wherein, one end sealing of pure qi (oxygen) pipeline 1, the other end is air exit, this air exit is connected with the entrance that is arranged on ground blower fan 17, the outlet of blower fan 17 is connected with the chimney 18 that vertically arranges, pure qi (oxygen) pipeline 1, blower fan 17 and chimney 18 form the negative-pressure operation system, like this, blower fan 17 can configure for driving so that the gas of pure qi (oxygen) pipeline 1 discharge, and an end sealing of flue 16, the other end is connected with the coal stove of discharging flue gas, wherein, junction at coal stove and flue 16 is provided with the manual adjustments push-pull valve.
A reaction tower 3 is identical with the internal placement of B reaction tower 5, wherein, on the vertical direction of A reaction tower 3 and B reaction tower 5 inside, be provided with tertiary granule layer fixed bed, the thickness of every grade particles layer fixed bed is 100mm, higher level's stratum granulosum fixed bed 21 from top to bottom successively, intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23, every grade particles layer fixed bed includes top cover and bottom, this top cover and bottom are metallic sieve, in A reaction tower 3 and B reaction tower 5 inside, between the first switching over valve 25 and higher level's stratum granulosum fixed bed 21, between higher level's stratum granulosum fixed bed 21 and intermediate grain layer fixed bed 22, between intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23 and between the solid fixed bed 23 of subordinate's stratum granulosum and second switch transfer valve 26, all be set to the gas storehouse.In every grade particles layer fixed bed, be placed with the zeolite granular for purifying smoke, this zeolite granular contains a kind of in platinum, iron, nickel, zinc, radium, ruthenium or silicon at least.In addition, the endocorpuscular grain diameter of every grade particles layer fixed bed is identical, grain diameter difference in different grade particles layer fixed bed, particularly, grain diameter in subordinate's stratum granulosum fixed bed 23, intermediate grain layer fixed bed 22 and higher level's stratum granulosum fixed bed 21 reduces successively, particularly, particle diameter is respectively 13mm, 4.5mm and 1.5mm.
The flue gas that is discharged in A reaction tower 3 and B reaction tower 5 by flue 16 contains CO, CO at least
2, SO
2Perhaps NO
xIn a kind of.CO in flue gas, CO
2, SO
2And NO
xWhile Deng impurity, passing through every grade particles layer fixed bed, under the effect of zeolite, the molecular scission of these molecules, discharge oxonium ion, and oxonium ion, nitrogen ion gather and generate respectively oxygen and nitrogen, sees through the stratum granulosum fixed bed and be discharged in atmosphere by pure qi (oxygen) pipeline 1; The element such as S, C with flue gas in other ions binding, its product is stayed particle surface.
originally take off useless system and also comprise the two cover blowing devices 2 that are separately positioned on A reaction tower 3 and B reaction tower 5 outsides, this blowing device 2 is preferably pulsed recoil wash bags, on the lateral surface vertical direction of this two covers blowing device 2, be respectively arranged with three backwash source of the gas outlets, this two covers blowing device 2 is connected with the middle part of A reaction tower 3 and B reaction tower 5 respectively, particularly, this two covers blowing device 2 is respectively by between the first switching over valve 25 and higher level's stratum granulosum fixed bed 21 in the outlet of three backwash sources of the gas and three winding-up tube connectors and A reaction tower 3 or B reaction tower 5, De Wai side entrance, three gas storehouses between higher level's stratum granulosum fixed bed 21 and intermediate grain layer fixed bed 22 and between intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23 is connected, on blowing device 2 and winding-up tube connector that A reaction tower 3 or B reaction tower 5 are communicated with, be provided with the second Pneumatic butterfly valve 15 of controlling gas flow.
This flue gas takes off useless system and also comprises flue gas discharge continuous monitoring system, described monitoring system arranges the export department of chimney 18, its role is to can Real-Time Monitoring smoke components after taking off useless the processing, be used to the catalytic reaction of taking off useless system and the switchover operation of backwash and regeneration.
Above-mentioned flue gas discharge continuous monitoring system comprises integrated manipulator, it takes off the switching of useless all valves of system for control, in every grade particles layer fixed bed, be provided with dust detector and pressure sensor, it is be used to measuring inter-stage dust concentration and pressure, thus judgement take off in the reaction tower of useless reaction taking off useless reaction whether complete and judgement whether carry out the flushing of stratum granulosum fixed bed in the reaction tower of backwash reaction complete.
Particularly, in every grade particles layer fixed bed, rotatable yi word pattern rake is set, it is for stirring the stratum granulosum fixed bed when the stratum granulosum fixed bed is backwashed, destroy dust bridge and the adsorptivity in stratum granulosum fixed bed zone, make fine dust flow to into stratum granulosum fixed bed top and be taken out of the stratum granulosum fixed bed with backwash gas.
between A reaction tower 3 and B reaction tower 5, be provided with sack cleaner 4, it is be used to filtering the backwash flue gas, the both sides, filter chamber at sack cleaner 4 middle parts are respectively by three identical A tower backwash smoke outlet tubes 19 and three identical B tower backwash smoke outlet tubes 20 respectively and between higher level's stratum granulosum fixed bed 21 and intermediate grain layer fixed bed 22 of A reaction tower 3 and B reaction tower 5, between intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23 and subordinate's stratum granulosum fixed bed 23 with three gas storehouses between second switch transfer valve 26, be connected, on three A tower backwash smoke outlet tubes 19 and three B tower backwash smoke outlet tubes 20, be respectively arranged with the first Pneumatic butterfly valve 12 of controlling gas flow, it is for A, B reaction tower 3, 5 and sack cleaner 4 between lock gas and locellus backwash deashing, it is in normally off, only working as for A, B reaction tower 3, during the locellus backwash and regeneration of 5 tertiary granule layer fixed bed, open.In addition, in the bottom of sack cleaner 4, be provided with the ash discharge outlet, the backwash flue gas is after sack cleaner 4 filters, gas can directly efflux, the exhaust gas volumn that above-mentioned sack cleaner 4 can be processed is 100 cubes m/hs, filter area is 1.22 square metres, has action of low-voltage pulse deashing function, gas vent dust content≤10 milligram/cubic metre.
by adopting above-mentioned flue gas to take off useless system, can carry out following flue gas and take off useless and counter-flushing process: at flue gas, take off in useless workflow, the flue gas that coal stove is discharged enters into flue 16 by the manual adjustments push-pull valve, wherein, the manual adjustments push-pull valve can be controlled the flow that enters flue 16, at this moment, integrated manipulator is controlled the second switch transfer valve 26 of B reaction tower 5 bottoms and is closed, flue gas takes off useless operation in A reaction tower 3, particularly, flue gas enters into A reaction tower 3 and passes successively subordinate's stratum granulosum fixed bed 23 from A reaction tower 3 bottoms, intermediate grain layer fixed bed 22 and higher level's stratum granulosum fixed bed 21 take off useless reaction, flue gas can detach SO wherein particularly
2and NO
X, the second Pneumatic butterfly valve 15 between A reaction tower 3 and blowing device 2 and the first Pneumatic butterfly valve 12 between A reaction tower 3 and sack cleaner 4 are closed therebetween, like this, final through taking off the useless flue gas that reacts through pure qi (oxygen) pipeline 1 and under the effect of blower fan 17, being inhaled in chimney 18, thereby be discharged from, when A reaction tower 3 takes off useless reaction, in the B reaction tower, carry out the backwash and regeneration operation, at this moment, the first Pneumatic butterfly valve 12 between the second Pneumatic butterfly valve 15 between B reaction tower 5 and blowing device 2 and B reaction tower 5 and sack cleaner 4 is opened, the first switching over valve 25 and second switch transfer valve 26 in B reaction tower 5 are all closed, high pressure washing gas is from entering into respectively being positioned on higher level's stratum granulosum fixed bed 21 of B reaction tower 5 by three pipelines blowing device 2, between higher level's stratum granulosum fixed bed 21 and intermediate grain layer fixed bed 22 and in three gas storehouses between intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23, thereby the flushing gas that enters into each gas storehouse enters between higher level's stratum granulosum fixed bed 21 and intermediate grain layer fixed bed 22 under the effect of negative pressure, being passed down through adjacent stratum granulosum fixed bed, between intermediate grain layer fixed bed 22 and subordinate's stratum granulosum fixed bed 23 and in the gas storehouse of subordinate's stratum granulosum fixed bed below 23, by flushing gas, hold up every grade particles layer fixed bed like this, make the particle disturbance in the stratum granulosum fixed bed, boiling, and then remove the dust that is attached to particle surface and realize the backwash effect, the flushing gas that the stratum granulosum fixed bed is cleaned enters into sack cleaner 4 by three backwash smoke outlet tubes of B reaction tower 5 respectively, finally in sack cleaner 4 outside discharge system after filtering.it is complete that useless reaction is taken off in dust detector in A reaction tower 3 and pressure sensor judgement, simultaneously after the flushing of the dust detector between B reaction tower 5 internal granular layer fixed beds and pressure sensor judgement B reaction tower stratum granulosum fixed bed is complete, the smoke components of flue gas discharge continuous monitoring system Real-Time Monitoring after taking off useless the processing, and close the second Pneumatic butterfly valve 15 on pipeline between the first Pneumatic butterfly valve 12 on pipeline between B reaction tower 5 and sack cleaner 4 and B reaction tower 5 and blowing device 2 by integrated manipulator, open its second switch transfer valve 26 and the first switching over valve 25, thereby enter, take off useless reaction, correspondingly, the second Pneumatic butterfly valve 15 between the first Pneumatic butterfly valve 12 between integrated manipulator unlatching A reaction tower 3 and sack cleaner 4 on pipeline and A reaction tower 3 and blowing device 2 on pipeline, close its second switch transfer valve 26 and the first switching over valve 25, thereby enter the backwash reaction, like this, A reaction tower 3 and B reaction tower
Between 5, hocket and take off useless reaction and backwash reaction, greatly improved operating efficiency, and lowered
The equipment use cost, realize operation continuously.
Claims (9)
1. the integrated dry method of flue gas is taken off useless system, it comprises A reaction tower and the B reaction tower that is arranged side by side and fix on the ground by steel bracket, top and bottom at A reaction tower and B reaction tower are connected with horizontally disposed pure qi (oxygen) pipeline and flue respectively, on pure qi (oxygen) pipeline and flue, be provided with separately four thief holes, between the top of A reaction tower or B reaction tower and pure qi (oxygen) pipeline, be provided with the first switching over valve, between the bottom of A reaction tower or B reaction tower and flue, be provided with the second switch transfer valve, the A reaction tower is identical with the internal placement of B reaction tower, wherein, on the vertical direction of A reaction tower and B reaction tower inside, be provided with tertiary granule layer fixed bed, higher level's stratum granulosum fixed bed from top to bottom successively, intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed, in A reaction tower and B reaction tower inside, between the first switching over valve and higher level's stratum granulosum fixed bed, between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed, between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed and between the solid fixed bed of subordinate's stratum granulosum and second switch transfer valve, all be set to the gas storehouse, in every grade particles layer fixed bed, be placed with the zeolite granular for purifying smoke, it is characterized in that: originally take off useless system and also comprise the two cover blowing devices that are separately positioned on A reaction tower and the B reaction tower outside, on the lateral surface vertical direction of this two covers blowing device, be respectively arranged with three backwash source of the gas outlets, this two covers blowing device is respectively by between the first switching over valve and higher level's stratum granulosum fixed bed in the outlet of three backwash sources of the gas and three winding-up tube connectors and A reaction tower or B reaction tower, De Wai side entrance, three gas storehouses between higher level's stratum granulosum fixed bed and intermediate grain layer fixed bed and between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed is connected, on blowing device and winding-up tube connector that A reaction tower or B reaction tower are communicated with, be provided with the second Pneumatic butterfly valve of controlling gas flow, between A reaction tower and B reaction tower, be provided with sack cleaner, it is be used to filtering the backwash flue gas, the both sides, filter chamber at sack cleaner middle part are respectively by three identical A tower backwash smoke outlet tubes and three identical B tower backwash smoke outlet tubes respectively and between higher level's stratum granulosum fixed bed of A reaction tower and B reaction tower and intermediate grain layer fixed bed, between intermediate grain layer fixed bed and subordinate's stratum granulosum fixed bed and subordinate's stratum granulosum fixed bed with three gas storehouses between the second switch transfer valve, be connected, on three A tower backwash smoke outlet tubes and three B tower backwash smoke outlet tubes, be respectively arranged with the first Pneumatic butterfly valve of controlling gas flow, it is for A, lock gas between B reaction tower and sack cleaner and locellus backwash deashing, it is in normally off, only working as for A, during the locellus backwash and regeneration of the tertiary granule layer fixed bed of B reaction tower, open, in the bottom of sack cleaner, be provided with the ash discharge outlet, the backwash flue gas is after sack cleaner filters, gas is directly effluxed.
2. according to claim 1ly take off useless system, it is characterized in that: an end of pure qi (oxygen) pipeline is air exit, this air exit is connected with the entrance that is arranged on ground blower fan, the outlet of blower fan is connected with the chimney that vertically arranges, pure qi (oxygen) pipeline, blower fan and chimney form the negative-pressure operation system, like this, blower fan can configure for driving so that the ducted gas of pure qi (oxygen) discharge, and an end sealing of flue, the other end is connected with the coal stove of discharging flue gas.
3. according to claim 2ly take off useless system, it is characterized in that: also comprise flue gas discharge continuous monitoring system, described monitoring system arranges the export department of chimney, its role is to can Real-Time Monitoring smoke components after taking off useless the processing, be used to the catalytic reaction of taking off useless system and the switchover operation of backwash and regeneration.
4. according to claim 3ly take off useless system, it is characterized in that: above-mentioned flue gas discharge continuous monitoring system comprises integrated manipulator, it takes off the switching of useless all valves of system for control, in every grade particles layer fixed bed, be provided with dust detector and pressure sensor, it is be used to measuring inter-stage dust concentration and pressure, thus judgement take off in the reaction tower of useless reaction taking off useless reaction whether complete and judgement whether carry out the flushing of stratum granulosum fixed bed in the reaction tower of backwash reaction complete.
5. according to claim 4ly take off useless system, it is characterized in that: every grade particles layer fixed bed includes top cover and bottom, this top cover and bottom are metallic sieve, in addition, in every grade particles layer fixed bed, rotatable yi word pattern rake is set, it,, for when the stratum granulosum fixed bed is backwashed, stirring the stratum granulosum fixed bed, destroys dust bridge and the adsorptivity in stratum granulosum fixed bed zone, makes fine dust flow to into stratum granulosum fixed bed top and be taken out of the stratum granulosum fixed bed with backwash gas.
6. according to claim 5ly take off useless system, it is characterized in that: this zeolite granular contains a kind of in platinum, iron, nickel, zinc, radium, ruthenium or silicon at least.
7. according to claim 6ly take off useless system, it is characterized in that: the endocorpuscular grain diameter of every grade particles layer fixed bed is identical, the grain diameter difference in different grade particles layer fixed bed.
8. according to claim 7ly take off useless system, it is characterized in that: the grain diameter in subordinate's stratum granulosum fixed bed, intermediate grain layer fixed bed and higher level's stratum granulosum fixed bed reduces successively, and particularly, particle diameter is respectively 13mm, 4.5mm and 1.5mm.
9. according to claim 8ly take off useless system, it is characterized in that: the described flue gas that is discharged in A reaction tower and B reaction tower by flue contains CO, CO at least
2, SO
2Perhaps NO
xIn a kind of, the CO in flue gas, CO
2, SO
2And NO
xDuring by every grade particles layer fixed bed, under the effect of zeolite, the molecular scission of these molecules, discharge oxonium ion, and oxonium ion, nitrogen ion gather and generate respectively oxygen and nitrogen, sees through the stratum granulosum fixed bed and be discharged in atmosphere by the pure qi (oxygen) pipeline; The element such as S, C with flue gas in other ions binding, its product is stayed particle surface.
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| CN2013203597744U CN203291711U (en) | 2013-06-21 | 2013-06-21 | Integrated flue gas dry-process waste removing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301743A (en) * | 2013-06-21 | 2013-09-18 | 江苏中金环保科技有限公司 | Flue gas integral dry waste removing system and flue gas waste removing and back washing method |
| CN106823776A (en) * | 2017-03-03 | 2017-06-13 | 北京工业大学 | A kind of biological drop of the improvement chemical fibre stench of anti-clogging considers apparatus and method |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301743A (en) * | 2013-06-21 | 2013-09-18 | 江苏中金环保科技有限公司 | Flue gas integral dry waste removing system and flue gas waste removing and back washing method |
| CN106823776A (en) * | 2017-03-03 | 2017-06-13 | 北京工业大学 | A kind of biological drop of the improvement chemical fibre stench of anti-clogging considers apparatus and method |
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