CN104016535B - A kind of device and method that reduces CL-, F-ion concentration - Google Patents
A kind of device and method that reduces CL-, F-ion concentration Download PDFInfo
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- CN104016535B CN104016535B CN201410267059.7A CN201410267059A CN104016535B CN 104016535 B CN104016535 B CN 104016535B CN 201410267059 A CN201410267059 A CN 201410267059A CN 104016535 B CN104016535 B CN 104016535B
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Abstract
The device and method that the invention discloses a kind of CL-of reduction, F-ion concentration, belongs to flue gas ammonia method desulfurizing technical field. The method of described reduction CL-, F-ion concentration comprises step 1, through the slurries of multiple-effect vacuum evaporative crystallization, isolates solid ammonium sulfate and obtain centrate in centrifuge; Step 2, centrate further evaporates, is dried, and obtains ammonium sulfate fertilizer product; Step 3, collects ammonium sulfate fertilizer product; Step 4, when centrate is further evaporated, is dried, can produce the secondary vapour with ammonium sulfate, and secondary vapour is filtered; Step 5, carries out condensing cooling to the secondary vapour after filtering; Step 6, is discharged into the secondary vapour after condensing cooling in desulfurizing tower. The method that the present invention reduces CL-, F-ion concentration can reduce CL-, the F-ion concentration in ammonia process of desulfurization sulphur ammonium slurries efficiently.
Description
Technical field
The present invention relates to flue gas ammonia method desulfurizing technical field, particularly a kind of CL-, F-ion of reducingThe device and method of content.
Background technology
Ammonia type flue gas desulfurizing technology has recycling economy, desulfuration efficiency is high, by-product value is high commonFeature. But also there are some problems that perplex all the time the whole industry in ammonia desulfurizing process, one of them justIt is the etching problem of equipment, pipeline etc.
Desulfurization slurry enters after evaporation and crystallization system, goes out through pervaporation, concentrated, eddy flow, centrifugationSolid ammonium sulfate product, in the solid ammonium sulfate that centrifugation goes out, moisture about 3-5%, can take away partCL-, F-ion, but most of CL-, F-ion be again along with parting liquid turns back to crystal system, theseAfter material is enriched in slurries, form extremely strong Korrosionsmedium, under poised state, in slurriesCL-, F-ion concentration can reach 100000mg/L and more than 20000mg/L. So, at evaporation knotSlurries in crystallographic system system have extremely strong corrosivity, and general 316L material also can only contain at CL-ionAmount 20000mg/L uses below. Prior art is to adopt the class that improves constantly equipment material, lowTemperature section is used 316L, uses 2205 dual phase steels at middle-temperature section, high temperature section use 2507 dual phase steels orTitanium material etc., but production cost increased like this.
Summary of the invention
Technical problem to be solved by this invention is to provide one can reduce ammonia process of desulfurization sulphur ammonium slurry efficientlyCL-in liquid, the method for F-ion concentration.
For solving the problems of the technologies described above, the invention provides the side of a kind of CL-of reduction, F-ion concentrationMethod, comprises the following steps step 1, through the slurries of multiple-effect vacuum evaporative crystallization, in centrifuge, dividesFrom going out after solid ammonium sulfate, obtain the centrate of solid content 50%; Step 2, solid content 50%Centrate further evaporates, is dried, and obtains the ammonium sulfate fertilizer product of moisture 5%, centrifugalCL-, F-ion in parting liquid are fixed on solid-state ammonium sulfate fertilizer with the form of NH4CL, NH4FIn product; Step 3, collects ammonium sulfate fertilizer product; Step 4, to the centrifugation of solid content 50%Liquid further evaporates, when dry, can produce the secondary vapour with ammonium sulfate, to two of ammonium sulfateInferior vapour filters; Step 5, carries out condensing cooling to the secondary vapour after filtering; Step 6, by condensationCooled secondary vapour is discharged in desulfurizing tower.
Further, step 2 comprises the centrate of solid content 50%, delivers to rake vacuum and steamsSend out in drier, further evaporation, dry, to obtain the ammonium sulfate fertilizer product of moisture 5%,CL-, F-ion in centrate are fixed on solid-state ammonium sulfate with the form of NH4CL, NH4FIn chemical fertilizer products.
Further, step 3 comprises that ammonium sulfate fertilizer product delivers to hopper by conveying worm, warpCross semi-automatic packer packing.
Further, step 4 comprise to the centrate of solid content 50% further evaporate, dryTime, can produce the secondary vapour with ammonium sulfate, secondary vapour is passed in secondary removable filter,Remove secondary vapour entrained solid particle.
Further, step 5 comprises that the secondary vapour after filtering is passed into detachable condensate cooler to be enteredRow condensing cooling, by the condensed fluid collection producing after removable condensate cooler condensing cooling at condensed waterIn tank, send desulfurizing tower back to by condensed water delivery pump.
Further, step 6 comprises that the secondary vapour after condensing cooling is discharged into desulfurization suction via vavuum pumpReceive in tower.
Reduce a device for CL-, F-ion concentration, for reducing process multiple-effect vacuum evaporative crystallizationSlurries, in centrifuge, isolate after solid ammonium sulfate, obtain the centrate of solid content 50%In CL-, F-ion concentration; The device of described reduction CL-, F-ion concentration comprises the steaming of rake vacuumSend out drier, detachable filter device, condensing cooling mechanism, vavuum pump, desulfuration absorbing tower and recycling machineStructure; Described rake vacuum evaporation drier receives the centrate of solid content 50%, for solid to containingThe centrate of amount 50% further evaporates, is dried, to obtain the ammonium sulfate fertilizer of moisture 5%;Described rake vacuum evaporation drier is connected with recovering mechanism, will obtain the ammonium sulfate of moisture 5%Fertilizer is delivered to recovering mechanism; Described rake vacuum evaporation drier and described detachable filter device, will produceLife is delivered to detachable filter device with the secondary vapour of ammonium sulfate; Described detachable filter device and described coldSolidifying cooling body connects, and the secondary vapour after filtering is delivered to condensing cooling mechanism; Described condensing coolingMechanism is connected with described vavuum pump; Described vavuum pump is connected with described desulfuration absorbing tower, by condensing coolingAfter secondary vapour be delivered in desulfuration absorbing tower.
Further, described condensing cooling mechanism comprises removable condensate cooler, chilled water tank and coldBut water delivery pump; Described removable condensate cooler is connected with described detachable filter device, after filteringSecondary vapour carry out condensing cooling; Described removable condensate cooler is connected with described chilled water tank, willThe condensed fluid collection producing after removable condensate cooler condensing cooling is in condensate water pot; Described coolingWater pot is connected with described condensed water delivery pump, sends back in desulfurizing tower by described condensed water delivery pump; InstituteStating vavuum pump is connected with described removable condensate cooler.
Further, before and after described detachable filter device and removable condensate cooler, be provided with differential pressure inspectionSurvey device, for detection of the inside differential pressure of described detachable filter device and removable condensate cooler.
Further, described recovering mechanism comprises conveying worm, hopper and semi-automatic packer; InstituteStating rake vacuum evaporation drier is connected with described conveying worm; Described conveying worm connects and instituteState hopper and connect, for the ammonium sulfate fertilizer that obtains moisture 5% is delivered to hopper; Described half certainlyMoving packing machine is connected with described hopper, for ammonium sulfate fertilizer is packed.
First a kind of method that reduces CL-, F-ion concentration provided by the invention steams through multiple-effect vacuumSend out the slurries of crystallization, in centrifuge, isolate after solid ammonium sulfate, obtain the centrifugal of solid content 50%Parting liquid, then further evaporates the centrate of solid content 50%, is dried, and obtains moisture and containsAmount 5% ammonium sulfate fertilizer product, CL-in centrate, F-ion are with NH4CL, NH4FForm is fixed in solid-state ammonium sulfate fertilizer product, collects ammonium sulfate fertilizer product, reduces efficientlyCL-, F-ion concentration in ammonia process of desulfurization sulphur ammonium slurries, the centrifugation to solid content 50% thenLiquid further evaporates, when dry, can produce the secondary vapour with ammonium sulfate, to two of ammonium sulfateInferior vapour filters, and then the secondary vapour after filtering is carried out to condensing cooling, finally by after condensing coolingSecondary vapour be discharged in desulfurizing tower, can not cause secondary exhaust gas pollute.
Brief description of the drawings
The technological process of the reduction CL-that Fig. 1 provides for the embodiment of the present invention, the method for F-ion concentrationFigure.
Detailed description of the invention
Referring to Fig. 1, a kind of CL-of reduction that the embodiment of the present invention provides, the device of F-ion concentration, bagDraw together rake vacuum evaporation drier 1, detachable filter device 2, condensing cooling mechanism, vavuum pump 4, de-Sulphur absorption tower and recovering mechanism. Rake vacuum evaporation drier 1 receives the centrifugation of solid content 50%Liquid, for further evaporating the centrate of solid content 50%, being dried, to obtain moisture5% ammonium sulfate fertilizer. Rake vacuum evaporation drier 1 is connected with recovering mechanism, will obtain moisture and containThe ammonium sulfate fertilizer of amount 5% is delivered to recovering mechanism, and recovering mechanism comprises conveying worm 5, hopper 6And semi-automatic packer 7; Rake vacuum evaporation drier 1 is connected with conveying worm 5; Spiral transferringSend machine 5 to connect and be connected with hopper 6, for the ammonium sulfate fertilizer that obtains moisture 5% is delivered to materialBucket 6; Semi-automatic packer 7 is connected with hopper 6, for ammonium sulfate fertilizer is packed. RakeVacuum evaporation drier 1 and described detachable filter device 2, defeated with the secondary vapour of ammonium sulfate by producingDeliver to detachable filter device 2. Detachable filter device 2 front and back are provided with differential pressure detector, reach at resistanceDuring to setting value, its inside is washed and purged. Detachable filter device 2 and condensing cooling mechanismConnect, the secondary vapour after filtering is delivered to condensing cooling mechanism; Condensing cooling mechanism comprises removableCondensate cooler 3, chilled water tank 8 and cooling water delivery pump 9; Removable condensate cooler 3 is with removableFormula filter 2 connects, and the secondary vapour after filtering is carried out to condensing cooling; Removable condensate cooler 3Be connected with chilled water tank 8, by the condensed fluid collection producing after removable condensate cooler 3 condensing coolingsIn condensate water pot 8; Chilled water tank 8 is connected with condensed water delivery pump 9, by condensed water delivery pump9 send back in desulfurizing tower, and vavuum pump 4 is connected with removable condensate cooler 3. And removable condensation is coldBut device 3 front and back are provided with differential pressure detector, in the time that resistance reaches setting value, its inside are washedAnd purging. Vavuum pump 4 is connected with desulfuration absorbing tower, and the secondary vapour after condensing cooling is delivered to desulfurizationIn absorption tower, do not cause any secondary exhaust gas to pollute.
In the time using the present invention to reduce CL-, F-ion concentration, comprise the following steps:
Step 1 through the slurries of multiple-effect vacuum evaporative crystallization, is isolated solid sulphuric acid in centrifugeAfter ammonium, obtain the centrate of solid content 50%; Step 2, by the centrate of solid content 50%,Deliver in rake vacuum evaporation drier 1, further evaporation, dry, to obtain moisture 5%Ammonium sulfate fertilizer product, CL-, F-ion in centrate are solid with the form of NH4CL, NH4FFix in solid-state ammonium sulfate fertilizer product; Step 3, ammonium sulfate fertilizer product is by conveying worm 5Deliver to hopper 6, pack through semi-automatic packer 7; Step 4, to the centrifugation of solid content 50%When liquid further evaporates, is dried, can produce the secondary vapour with ammonium sulfate, secondary vapour is passed into secondaryIn removable filter 2, remove secondary vapour entrained solid particle; Step 5, by filter afterSecondary vapour passes into detachable condensate cooler 3 and carries out condensing cooling, by removable condensate cooler 3The condensed fluid collection producing after condensing cooling, in condensate water pot 8, is sent back to by condensed water delivery pump 9Desulfurizing tower, without any discharge of wastewater; Step 6, the secondary vapour after condensing cooling is arranged via vavuum pump 4Be put in desulfuration absorbing tower, do not cause any secondary pollution.
First a kind of method that reduces CL-, F-ion concentration provided by the invention steams through multiple-effect vacuumSend out the slurries of crystallization, in centrifuge, isolate after solid ammonium sulfate, obtain the centrifugal of solid content 50%Parting liquid, then further evaporates the centrate of solid content 50%, is dried, and obtains moisture and containsAmount 5% ammonium sulfate fertilizer product, CL-in centrate, F-ion are with NH4CL, NH4FForm is fixed in solid-state ammonium sulfate fertilizer product, collects ammonium sulfate fertilizer product, reduces efficientlyCL-, F-ion concentration in ammonia process of desulfurization sulphur ammonium slurries, the centrifugation to solid content 50% thenLiquid further evaporates, when dry, can produce the secondary vapour with ammonium sulfate, to two of ammonium sulfateInferior vapour filters, and then the secondary vapour after filtering is carried out to condensing cooling, finally by after condensing coolingSecondary vapour be discharged in desulfurizing tower, can not cause secondary exhaust gas pollute.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present inventionAnd unrestricted, although the present invention is had been described in detail with reference to example, the ordinary skill people of this areaMember should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and does not depart fromThe spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. one kind is reduced Cl in ammonia type flue gas desulfurizing sulphur ammonium slurries-、F-The method of ion concentration, its featureBe, comprise the following steps: step 1, through the slurries of multiple-effect vacuum evaporative crystallization, at centrifugeIn isolate after solid ammonium sulfate, obtain the centrate of solid content 50%; Step 2, solid content50% centrate is delivered in rake vacuum evaporation drier (1), further evaporation, dry,Obtain the ammonium sulfate fertilizer product of moisture 5%, the Cl in centrate-、F-Ion is with NH4Cl、NH4The form of F is fixed in solid-state ammonium sulfate fertilizer product; Step 3, collects ammonium sulfate fertilizer and producesProduct; Step 4, to the centrate of solid content 50% further evaporate, when dry, can produce withThe secondary vapour of ammonium sulfate, filters the secondary vapour with ammonium sulfate; Step 5, to filter afterSecondary vapour carries out condensing cooling; Step 6, is discharged into the secondary vapour after condensing cooling in desulfurizing tower.
2. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 1-、F-Ion containsThe method of amount, is characterized in that, step 3 comprises: ammonium sulfate fertilizer product is by conveying worm (5)Deliver to hopper (6), through semi-automatic packer (7) packing.
3. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 1-、F-Ion containsThe method of amount, is characterized in that, step 4 comprises: the centrate to solid content 50% is furtherWhen evaporating, being dried, can produce the secondary vapour with ammonium sulfate, secondary vapour be passed into secondary detachableIn filter (2), remove secondary vapour entrained solid particle.
4. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 1-、F-Ion containsThe method of amount, is characterized in that, step 5 comprises: the secondary vapour after filtering is passed into detachable coldSolidifying cooler (3) carries out condensing cooling, will after detachable condensate cooler (3) condensing cooling, produceRaw condensed fluid collection, in condensate water pot (8), is sent desulfurizing tower back to by condensed water delivery pump (9).
5. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 1-、F-Ion containsThe method of amount, is characterized in that, step 6 comprises: the secondary vapour after condensing cooling is via vavuum pump (4)Be discharged in desulfurizing tower.
6. one kind is reduced Cl in ammonia type flue gas desulfurizing sulphur ammonium slurries-、F-The device of ion concentration, for fallingThe low slurries through multiple-effect vacuum evaporative crystallization are isolated after solid ammonium sulfate in centrifuge, obtainCl in the centrate of solid content 50%-、F-Ion concentration; It is characterized in that described reduction Cl-、F-The device of ion concentration comprises: rake vacuum evaporation drier (1), secondary removable filter(2), condensing cooling mechanism, vavuum pump (4), desulfurizing tower and recovering mechanism; Described rake vacuumEvaportor (1) receives the centrate of solid content 50%, centrifugal for to solid content 50%Parting liquid further evaporates, is dried, to obtain the ammonium sulfate fertilizer of moisture 5%; Described rake is trueEmpty evaportor (1) is connected with recovering mechanism, by defeated the ammonium sulfate fertilizer that obtains moisture 5%Deliver to recovering mechanism; Described rake vacuum evaporation drier (1) and described secondary removable filter(2) connect, be delivered to secondary removable filter (2) by producing with the secondary vapour of ammonium sulfate;Described secondary removable filter (2) is connected with described condensing cooling mechanism, by the secondary after filteringVapour is delivered to condensing cooling mechanism; Before and after described secondary removable filter (2), be provided with differential pressure inspectionSurvey device, for detection of the inside differential pressure of described secondary removable filter (2); Described condensing coolingMechanism is connected with described vavuum pump (4); Described vavuum pump (4) is connected with described desulfurizing tower, by coldSolidifying cooled secondary vapour is delivered in desulfurizing tower.
7. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 6-、F-Ion containsThe device of amount, is characterized in that: described condensing cooling mechanism comprise detachable condensate cooler (3),Condensate water pot (8) and condensed water delivery pump (9); Described detachable condensate cooler (3) and instituteState secondary removable filter (2) and connect, the secondary vapour after filtering is carried out to condensing cooling; DescribedDetachable condensate cooler (3) is connected with described condensate water pot (8), by cold detachable condensationBut the condensed fluid collection producing after device (3) condensing cooling is in condensate water pot (8); Described condensed waterTank (8) is connected with described condensed water delivery pump (9), sends back to by described condensed water delivery pump (9)In desulfurizing tower; Described vavuum pump (4) is connected with described detachable condensate cooler (3).
8. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 7-、F-Ion containsThe device of amount, is characterized in that: before and after described detachable condensate cooler (3), be provided with differential pressure inspectionSurvey device, for detection of the inside differential pressure of described detachable condensate cooler (3).
9. Cl in reduction ammonia type flue gas desulfurizing sulphur ammonium slurries according to claim 8-、F-Ion containsThe device of amount, is characterized in that: described recovering mechanism comprises conveying worm (5), hopper (6)And semi-automatic packer (7); Described rake vacuum evaporation drier (1) and described conveying worm(5) connect; Described conveying worm (5) is connected with described hopper (6), for obtaining moistureThe ammonium sulfate fertilizer of content 5% is delivered to hopper (6); Described semi-automatic packer (7) and described materialBucket (6) connects, for ammonium sulfate fertilizer is packed.
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| CN104368231A (en) * | 2014-10-10 | 2015-02-25 | 江苏新世纪江南环保股份有限公司 | Method for controlling chlorine / fluorine content in flue gas desulfurization absorption liquid |
| CN110540332B (en) * | 2019-09-24 | 2021-09-07 | 东海岸环境科技无锡有限公司 | Fluorine-containing and chlorine-containing sewage treatment process |
| CN112678973B (en) * | 2019-10-18 | 2022-08-16 | 中国石油化工股份有限公司 | Method for dechlorinating ammonia flue gas desulfurization circulating liquid |
| CN111995150B (en) * | 2020-08-19 | 2021-04-16 | 广东闻扬环境科技有限公司 | Saline wastewater circulating treatment system and treatment method |
| CN117049718B (en) * | 2023-06-28 | 2024-04-09 | 北京清新环境技术股份有限公司 | Method for removing chloride ions from desulfurization slurry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028512A1 (en) * | 2000-10-05 | 2002-04-11 | F.L. Smidth A/S | Method for reducing the sox emission from a plant for manufacturing cement clinker and such plant |
| CN102527203A (en) * | 2012-03-23 | 2012-07-04 | 南京龙源环保有限公司 | Process for removing chloride ions by utilizing partial bypass flue gas drying method |
| CN103949155A (en) * | 2014-05-13 | 2014-07-30 | 武汉钢铁(集团)公司 | Ammonia process desulfurization evaporative crystallization process and ammonia process desulfurization evaporative crystallization device for reducing concentration of Cl<-> |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028512A1 (en) * | 2000-10-05 | 2002-04-11 | F.L. Smidth A/S | Method for reducing the sox emission from a plant for manufacturing cement clinker and such plant |
| CN102527203A (en) * | 2012-03-23 | 2012-07-04 | 南京龙源环保有限公司 | Process for removing chloride ions by utilizing partial bypass flue gas drying method |
| CN103949155A (en) * | 2014-05-13 | 2014-07-30 | 武汉钢铁(集团)公司 | Ammonia process desulfurization evaporative crystallization process and ammonia process desulfurization evaporative crystallization device for reducing concentration of Cl<-> |
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