CN105903335A - Dual-alkali flue gas desulfurization device and dual-alkali flue gas desulfurization method - Google Patents

Dual-alkali flue gas desulfurization device and dual-alkali flue gas desulfurization method Download PDF

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Publication number
CN105903335A
CN105903335A CN201610368942.4A CN201610368942A CN105903335A CN 105903335 A CN105903335 A CN 105903335A CN 201610368942 A CN201610368942 A CN 201610368942A CN 105903335 A CN105903335 A CN 105903335A
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China
Prior art keywords
flue gas
desulfurizing tower
demister
casing
dual
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CN201610368942.4A
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Chinese (zh)
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冯国宇
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Jiangsu Sanjing Environmental Protection Group Co Ltd
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Jiangsu Sanjing Environmental Protection Group Co Ltd
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Priority to CN201610368942.4A priority Critical patent/CN105903335A/en
Publication of CN105903335A publication Critical patent/CN105903335A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/606—Carbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a dual-alkali flue gas desulfurization device and a dual-alkali flue gas desulfurization method, relating to the technical field of flue gas desulfurization. The desulfurization device comprises a bag-type dust collector, a desulfurizing tower, a regenerating pool, a sedimentation pool and a circulating pool, wherein the bag-type dust collector is connected with the desulfurizing tower through a pipeline; the desulfurizing tower, the regenerating pool, the sedimentation pool and the circulating pool are successively connected with each other through pipelines; the desulfurizing tower and the circulating pool are connected to form a circulating system through the pipeline; a plurality of desulfurizing liquid spraying layers are arranged in the desulfurizing tower; demisters are arranged above the desulfurizing liquid spraying layers; the demisters are arranged in two layers; the blade clearance at the upper layer is smaller than the blade clearance at the lower layer.

Description

Dual-alkali flue gas desulfurization device and sulfur method
Technical field
The present invention relates to flue gas desulfurization technique field, be specifically related to a kind of dual-alkali flue gas desulfurization device and utilization should Equipment carries out the method for desulfurization.
Background technology
Double alkali method desulfurizing the most only consumes Calx, does not consume soda, but owing to desulfurization slag band water can make desulfurization Liquid loses a part of sodium ion, and adding the oxygen in flue gas can be by part Na2SO3It is oxidized to Na2SO4( During circulated sprinkling, Na2SO4SO can not be absorbed2), therefore a small amount of soda or salkali waste need to be supplemented in circulatory pool Liquid.
The basic principles of chemistry can be divided into sweetening process and regenerative process two parts.
SO is absorbed in tower2
Na2CO3+SO2=Na2SO3+CO2 (1)
Na2SO3+SO2+H2O=2NaHSO3 (2)
2NaOH+SO2=Na2SO3+H2O (3)
The startup stage that its Chinese style (1) being, soda ash solution absorbs SO2Reactional equation, formula (2) is running Dominant response formula, formula (3) be regenerated liquid PH higher time dominant response formula.
Regenerate with slaked lime
Ca(OH)2+Na2SO3+1/2H2O=2NaOH+CaSO3·1/2H2O
Ca(OH)2+2NaHSO3=Na2SO3+CaSO3·1/2H2O+3/2H2O
In lime slurry (Calx reaches saturated situation), NaHSO3Quickly with Ca (OH)2Reaction Thus discharge [Na+], [SO3 2-] and [Ca2+] reaction, the CaSO that reaction generates3With hemihydrate Form precipitates so that [Na+] regenerated.Na2CO3Simply one starts alkali, actual after starting Upper consumption is Calx, the most do not consume soda (simply during scarfing cinder can band more also, by oxygen in flue gas Oxidation has loss, thus has a small amount of loss), NaOH and Na of regeneration2SO3Recycle Deng desulfurizing agent.
China Authorization Notice No. CN 204601985 U discloses a kind of double alkali method desulfurizing system, at doctor solution again Raw groove arranges agitating device；Desulfurization regeneration groove supernatant overflows in pH regulator pond, in pH regulator pond Arranging NaOH regulation pipe, the absorbing liquid after regulation is squeezed into spray in spray desulfurizing tower by slurry circulating pump and is inhaled Receive SO2, the doctor solution after absorption enters desulfurization regeneration groove from the bottom of spray desulfurizing tower tower by valve gravity flow； Spiral board, spiral nozzle, demister are installed in spray desulfurizing tower.The demister of this structure mostly is one-level knot Structure, when, after demister surface accumulation dirt, needing to rinse with water, flushing water can carry sodium ion and hydroxyl Ion and being atomized, causes in the loss of sodium ion and the decline of PH, and the flue gas discharged and still can carry steam secretly And sodium sulfate.
Summary of the invention
The technical problem to be solved in the present invention is in prior art, during demister is carried out, and sodium Ion is with the problem of cleanout fluid atomization loss.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: 1. a dual alkali scrubbing FGD process Equipment, including sack cleaner, desulfurizing tower, regenerated reactor, sedimentation tank, circulatory pool, sack cleaner passes through Pipeline is connected with desulfurizing tower, and desulfurizing tower, regenerated reactor, sedimentation tank, circulatory pool are sequentially connected with by pipeline, de- Sulfur tower and circulatory pool connect formation blood circulation by pipeline again, are provided with multiple doctor solution spraying layer in desulfurizing tower, Doctor solution spraying layer is arranged over demister, it is characterised in that: described demister is two-layer, the blade on upper strata Gap is less than the impeller clearance of lower floor.
Further, the lower surface of the upper surface of described lower floor demister, lower surface and upper strata demister is provided with Clear water spraying layer.
Further, described cloth bag one pulsed jet cloth filter, including casing, support and pulse dust cleaning system, Being provided with multiple filter bag in casing, casing is arranged on support, is provided with multiple ash and trembles, set in casing below casing Having multiple dividing plate that casing is divided into independent filter chamber, filter chamber is provided above a total air-purifying chamber, only The outlet of air chamber is arranged on casing, and the corresponding ash in each filter chamber is trembled, above each independent filter chamber Being provided with the lifting valve of break-make air-purifying chamber and dirt pocket, smoke air inlet is arranged on casing, and smoke air inlet leads to Crossing the ash below each independent filter chamber of bronchial connection to tremble, bronchial is provided with flue gas stop valve, institute State filter chamber and be additionally provided with a relief valve, at described gas approach, be provided with active carbon powder pay-off, described The discharging opening connection smoke air inlet of active carbon powder adding set.
The present invention also provides for a kind of double alkali method desulfurizing method, comprises the following steps:
1) by Na2CO3In reservoir, alkali liquor puts into circulatory pool；
2) the flue gas utilization sack cleaner that boiler produces is carried out dedusting；
3) injected entering the flue gas that step 2 processed in desulfurizing tower by air-introduced machine；
4) utilize circulating pump that the alkali liquor in circulatory pool is injected desulfurizing tower, the spraying layer in desulfurizing tower spray desulfurization Flue gas in tower；
5) carrying out except mist by the flue gas produced in desulfurizing tower, demister is two-layer, and the impeller clearance on upper strata is less than down The impeller clearance of layer, the lower surface of the upper surface of lower floor's demister, lower surface and upper strata demister is provided with clear water Spraying layer, except the flue gas after mist is through smoke stack emission；The solution of desulfurizing tower bottom is imported main component simultaneously Regenerated reactor for Calx；
6) serosity of regenerated reactor is introduced sedimentation tank to precipitate, after clearing up sediment after precipitation, filtrate is introduced and follows Cisterna ambiens, circulation fluid is injected in desulfurizing tower by recycling circulating pump.
In cyclic process, regenerated reactor supplements in Calx, and circulatory pool according to recording Na ion concentration and pH value always Supplement soda and alkali liquor.
From technique scheme, it can be seen that the invention have the advantages that employing multilamellar demister structure, After cleaning the demister of lower floor, new spray film can be produced, spray film can carry sodium, now upper strata except mist Device can remove the droplet carrying sodium ion again, thus reduces the loss of sodium ion, maintains the balance of circulation. And at the air inlet of sack cleaner, constantly add active carbon powder, can remove and a small amount of be mixed in flue gas In two English.
Accompanying drawing explanation
Fig. 1 is the desulfurization flow chart of the present invention；
Fig. 2 is the structural representation of desulfurizing tower；
Fig. 3 is the structural representation of sack cleaner in the present invention；
Fig. 4 is the structural representation of sack cleaner in the present invention；
Shown in figure: 1, shake motor；2, ash is trembled；3, bronchial；4, flue gas stop valve；5, filter Bag；6, dividing plate；7, smoke air inlet；8, air-purifying chamber air vent；9, air-purifying chamber；10, relief valve； 11, valve is promoted；12, baffle plate；13, active carbon powder pay-off；14, casing；15, doctor solution spray Drench layer；16, clear water spraying layer；17, demister.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is elaborated
As shown in Figure 1, 2, the present invention the main sack cleaner of double alkali method desulfurizing equipment, desulfurizing tower, again Raw pond, sedimentation tank, circulatory pool, sack cleaner is connected with desulfurizing tower by pipeline, desulfurizing tower, regenerated reactor, Sedimentation tank, circulatory pool are sequentially connected with by pipeline, and desulfurizing tower and circulatory pool connect formation circulation by pipeline again System, is provided with multiple doctor solution spraying layer 15 in desulfurizing tower, doctor solution spraying layer is arranged over demister 17, Described demister is two-layer, and the impeller clearance on upper strata is less than the impeller clearance of lower floor, described lower floor demister 17 The lower surface of upper surface, lower surface and upper strata demister be provided with clear water spraying layer 16.
Flue gas is blasted in desulfurizing tower by air-introduced machine, is provided with first order spray dress in desulfurizing tower radially blast pipe Put, flue gas is carried out pre-cooling and pre-desulfurization, equal by desulfurizing tower middle and lower part through the flue gas of cooling and pre-desulfurization Even rising, sequentially passes through high density spray washing reaction zone and absorption reaction zone that three grades of spray equipments are formed, Doctor solution by spiral nozzle generate superfine droplet be flue gas with doctor solution be sufficiently mixed provide huge Contact area so that gas-liquid two-phase carries out the physical-chemical reaction of sufficient mass transfer and heat transfer, thus reaches SO2 Efficient removal.Desulfurizing tower is built-in with two-stage dehydrating demisting device, and the flue gas after desulfurization continues to rise, Sequentially pass through two-layer flap demister, formed bigger by fog, the droplet multiple impact at flap Drop, big drop falls after separating with flue gas, and the flue gas after dehydration passes through flue to smoke stack emission.
The first order demister being located below is a big liquid drop separator, and impeller clearance is slightly larger, is used for separating Rise the bigger drop entrained by flue gas.Top second level demister be a small droplet separator, blade away from From less, it is used for separating the small slurry droplet risen in flue gas and mist eliminator flushing water droplet.Flue gas flows through and removes During day with fog, drop, due to inertial collision effect, is stayed on baffle plate.Drop owing to being detained also contains solid-state , therefore there is the danger of fouling on baffle plate in thing, the pressure drop produced time simultaneously for ensureing flue gas by demister is not Exceed setting value, need to periodically carry out on-line cleaning.To this end, be provided with the cleaning equipment of periodic operation, including Nozzle system.Scouring media is industry water.Being arranged below of the top and bottom of one-level demister and two grades of demisters Flooding nozzle, the bottom surface of lower floor's demister and end face time properly functioning, the bottom surface of upper strata demister is automatically by journey Sequence cleans each region in turn.Demister every layer flushing can be automatic according to the pressure reduction of flue gas load, demister two ends The frequency that regulation is rinsed.Flushing water is provided by mist eliminator flushing water pump, and flushing water is additionally operable to supplement in absorption tower Moisture evaporation loss.
Use multilamellar demister structure, after cleaning the demister of lower floor, new spray film can be produced, meeting in spray film Carrying sodium, now the demister on upper strata can remove the droplet carrying sodium ion again, thus reduces sodium ion Loss, maintain circulation balance.
In native system use sack cleaner structure as follows: as shown in Figure 3 and Figure 4, including casing 14, Support and pulse dust cleaning system, soot cleaning system includes winding-up gas bag, the electromagnetism being arranged in the rain insensitive device of top Pulse valve and the winding-up pipeline etc. being arranged in upper box, be provided with multiple filter bag 5, casing 14 in casing 14 Being arranged on support, be provided with multiple ash and tremble 2 below casing, each ash is trembled and is provided with a shake motor 1, casing Be provided with multiple dividing plate 6 that casing is divided into independent filter chamber in 14, dirt pocket be provided above one total clean Air chamber 9, the outlet of air-purifying chamber 9 is arranged on casing 14, and the corresponding ash of each dirt pocket trembles 2, each Independent dirt pocket is arranged over the lifting valve 11 of break-make air-purifying chamber 9 and dirt pocket, and smoke air inlet 7 is arranged On casing, the ash that smoke air inlet 7 is connected below each independent filter chamber by bronchial 4 trembles 2, Feed channel 4 is provided with flue gas stop valve 3.Dirt pocket is additionally provided with a relief valve 10.
Filtration system is made up of porous plate (card), filter bag, cage bone, is cased with a filter bag outside each cage bone,. The card of cleaner unit, as dust catcher gas purifying chamber and the separation of filter chamber, is used for hanging filter bay assembly, will simultaneously As the inspection platform of filter bag of dust collector assembly, relief valve 10 can be arranged on card.
Be provided with tilted-putted baffle plate 12 with smoke air inlet 7 correspondence position in casing 14, baffle plate 12 with Flue gas direction of advance is the angle of 40-50 °.When dusty gas is after air inlet enters dust-precipitator, initially strike Inclined clapboard in the middle of air inlet, air-flow just turns to inflow ash bucket, and air velocity is slack-off simultaneously, owing to gravity sinks Fall effect, makes crude particle dust in gas fall directly into ash bucket, plays the pre-effect gathered dust
Flue gas can contain two English, traditional sack cleaner be arrange at gas approach activated carbon granule or Person's activated carbon sealing coat adsorbs, and is provided with active carbon powder feeding in this utility model at gas approach 7 Device 13, the discharging opening connection smoke air inlet 7 of described active carbon powder adding set 13, a small amount of activity He can carry out filtering area with flue gas by powder, can adsorb on filter bag surface subsequently, active carbon powder now and cigarette Gas be in maximum contact area, can active adsorption two English, when accumulate a certain amount of time, activity reduce after, The activated carbon on cloth bag surface can be removed by soot cleaning system, and postorder is by activated carbon new for absorption.
Coverboard dividing plate is divided into some independent dust chambers, according to given time interval to each dust chamber in turn Carrying out deashing, each dust chamber, equipped with a lifting valve, promotes valve and closes, cut through this and gather dust during deashing The filtered airflow of room, pulse valve is opened immediately, sprays into anhydrous oil-free high pressure cleaning air, with clearly in filter bag Except the dust on filter bag outer surface.The pulse jet width of each dust chamber and cleaning cycle, by special deashing Extent control device Automatic continuous is carried out.
First closing before each bin deashing and promote valve, deashing opens lifting valve after completing, owing to carrying in closedown After lift valve, air-purifying chamber is in high negative pressure state so that promotes valve and opens the pulling force that needs are bigger, therefore each After being provided with flue gas stop valve at the gas approach of bin, before deashing, first close flue gas stop valve, make whole mistake Filter position room and air-purifying chamber are under same negative pressure state, so that the on an off promoting valve need not bigger pushing away Power and pulling force, protect cylinder, facilitate simultaneously and can carry out off-line maintenance, it is also possible to improve cleaning efficiency etc.. In like manner, relief valve can also play phase same-action, and relief valve can make the gas of air-purifying chamber and filter chamber after opening Pressure keeps identical.
The method of the present invention mainly utilizes the said equipment to carry out, and comprises the following steps；
1) by Na2CO3In reservoir, alkali liquor puts into circulatory pool；
2) the flue gas utilization sack cleaner that boiler produces is carried out dedusting；
3) injected entering the flue gas that step 2 processed in desulfurizing tower by air-introduced machine；
4) utilize circulating pump that the alkali liquor in circulatory pool is injected desulfurizing tower, the spraying layer in desulfurizing tower spray desulfurization Flue gas in tower；
5) carrying out except mist by the flue gas produced in desulfurizing tower, demister is two-layer, and the impeller clearance on upper strata is less than down The impeller clearance of layer, the lower surface of the upper surface of lower floor's demister, lower surface and upper strata demister is provided with clear water Spraying layer, except the flue gas after mist is through smoke stack emission；The solution of desulfurizing tower bottom is imported main component simultaneously Regenerated reactor for Calx；
6) serosity of regenerated reactor is introduced sedimentation tank to precipitate, after clearing up sediment after precipitation, filtrate is introduced and follows Cisterna ambiens, circulation fluid is injected in desulfurizing tower by recycling circulating pump.
In above-mentioned steps, regenerated reactor supplements in Calx, and circulatory pool according to recording Na ion concentration and pH value always Supplement soda and alkali liquor.

Claims (4)

1. a dual-alkali flue gas desulfurization device, including sack cleaner, desulfurizing tower, regenerated reactor, sedimentation tank, circulation Pond, sack cleaner is connected with desulfurizing tower by pipeline, and desulfurizing tower, regenerated reactor, sedimentation tank, circulatory pool are logical Piping is sequentially connected with, and desulfurizing tower and circulatory pool connect formation blood circulation by pipeline again, set in desulfurizing tower Having multiple doctor solution spraying layer (15), doctor solution spraying layer is arranged over demister (17), it is characterised in that: Described demister (17) is two-layer, and the impeller clearance on upper strata is less than the impeller clearance of lower floor.
Dual-alkali flue gas desulfurization device the most according to claim 1, it is characterised in that: described lower floor demister The lower surface of upper surface, lower surface and upper strata demister is provided with clear water spraying layer (16).
Dual-alkali flue gas desulfurization device the most according to claim 1, it is characterised in that: described cloth bag one pulse Sack cleaner, including casing (14), support and pulse dust cleaning system, casing is provided with multiple filter in (14) Bag (5), casing (14) is arranged on support, is provided with multiple ash and trembles (2) below casing, casing (14) Inside be provided with multiple dividing plate (6) that casing is divided into independent filter chamber, filter chamber be provided above one total clean Air chamber (9), the outlet of air-purifying chamber (9) is arranged on casing (14), it is characterised in that: each filter chamber A corresponding ash is trembled (2), and each independent filter chamber is arranged over carrying of break-make air-purifying chamber (9) and dirt pocket Lift valve (11), smoke air inlet (7) is arranged on casing, and smoke air inlet (7) passes through bronchial (4) Connecting the ash below each independent filter chamber to tremble (2), bronchial (4) is provided with flue gas stop valve (3), Described filter chamber is additionally provided with a relief valve (10), and described gas approach (7) place is provided with active carbon powder and send Material device (13), discharging opening connection smoke air inlet (7) of described active carbon powder adding set (13).
4. a dual alkali scrubbing FGD process method, comprises the following steps:
1) by Na2CO3In reservoir, alkali liquor puts into circulatory pool；
2) the flue gas utilization sack cleaner that boiler produces is carried out dedusting；
3) injected entering the flue gas that step 2 processed in desulfurizing tower by air-introduced machine；
4) utilize circulating pump that the alkali liquor in circulatory pool is injected desulfurizing tower, the spraying layer in desulfurizing tower spray desulfurization Flue gas in tower；
5) carrying out except mist by the flue gas produced in desulfurizing tower, demister is two-layer, and the impeller clearance on upper strata is less than down The impeller clearance of layer, the lower surface of the upper surface of lower floor's demister, lower surface and upper strata demister is provided with clear water Spraying layer, except the flue gas after mist is through smoke stack emission；The solution of desulfurizing tower bottom is imported main component simultaneously Regenerated reactor for Calx；
6) serosity of regenerated reactor is introduced sedimentation tank to precipitate, after clearing up sediment after precipitation, filtrate is introduced and follows Cisterna ambiens, circulation fluid is injected in desulfurizing tower by recycling circulating pump.
In cyclic process, regenerated reactor supplements in Calx, and circulatory pool according to recording Na ion concentration and pH value always Supplement soda and alkali liquor.
CN201610368942.4A 2016-05-30 2016-05-30 Dual-alkali flue gas desulfurization device and dual-alkali flue gas desulfurization method Pending CN105903335A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107243245A (en) * 2017-07-31 2017-10-13 赣州市恒源科技股份有限公司 A kind of neodymium iron boron waste material reclaims exhaust gas processing device and its control method
CN107441899A (en) * 2017-07-19 2017-12-08 哈尔滨工程大学 A kind of boat diesel engine regenerative sodium alkali desulfurization system
CN108043204A (en) * 2017-12-20 2018-05-18 上海电力学院 A kind of high-calcium powder flue-gas desulphurization system and its application
CN109277214A (en) * 2018-10-31 2019-01-29 浙江凯色丽科技发展有限公司 Mica powder subdividing device
CN113058412A (en) * 2021-03-25 2021-07-02 洛南环亚源铜业有限公司 Waste gas treatment process and treatment device thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107441899A (en) * 2017-07-19 2017-12-08 哈尔滨工程大学 A kind of boat diesel engine regenerative sodium alkali desulfurization system
CN107243245A (en) * 2017-07-31 2017-10-13 赣州市恒源科技股份有限公司 A kind of neodymium iron boron waste material reclaims exhaust gas processing device and its control method
CN108043204A (en) * 2017-12-20 2018-05-18 上海电力学院 A kind of high-calcium powder flue-gas desulphurization system and its application
CN108043204B (en) * 2017-12-20 2024-01-26 上海电力学院 High-calcium pulverized coal flue gas desulfurization system and application thereof
CN109277214A (en) * 2018-10-31 2019-01-29 浙江凯色丽科技发展有限公司 Mica powder subdividing device
CN109277214B (en) * 2018-10-31 2024-01-30 浙江凯色丽科技发展有限公司 Mica powder subdivision device
CN113058412A (en) * 2021-03-25 2021-07-02 洛南环亚源铜业有限公司 Waste gas treatment process and treatment device thereof

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Application publication date: 20160831