Request Engineering Sizing<\/a><\/p>\n<\/div>\n<\/header>\n <\/p>\n\n\u2699\ufe0f Executive Engineering Brief<\/h2>\n\n
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\ud83c\udf0a Volumetric & Thermal Capacity<\/h3>\n\n- \ud83d\udcc9 Gas Volume:<\/strong> 10,000 to 2,300,000 m3\/h<\/li>\n
- \ud83c\udf21\ufe0f Max Gas Temp:<\/strong> 260 \u00b0C<\/li>\n
- \ud83c\udf2b\ufe0f Inlet Dust Density:<\/strong> 1 to 1500 mg\/Nm3<\/li>\n
- \u2696\ufe0f Casing Pressure:<\/strong> -6000 to +6000 Pa<\/li>\n<\/ul>\n<\/div>\n
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\ud83c\udfaf Purification Performance<\/h3>\n\n- \u2705 Desulfurization Efficiency:<\/strong> > 95%<\/li>\n
- \u2705 Outlet Emission:<\/strong> < 35 mg\/Nm3<\/li>\n
- \u2705 Operating Resistance:<\/strong> 800 to 1000 Pa<\/li>\n
- \u2705 Sorbent Fineness:<\/strong> > 1000 mesh (< 15 \u03bcm)<\/li>\n<\/ul>\n<\/div>\n
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\ud83c\udfed Ideal Target Applications<\/h3>\n\n- \ud83c\udfd7\ufe0f Space-Constrained Sites:<\/strong> Ultra-compact footprint<\/li>\n
- \ud83d\udd25 Waste Incineration:<\/strong> Simultaneous acid gas control<\/li>\n
- \u2697\ufe0f Coking & Glass Kilns:<\/strong> Water-free processing<\/li>\n
- \ud83d\udca7 Zero Liquid Discharge:<\/strong> No wastewater treatment<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n<\/section>\n\n\ud83d\udcca Deep Technical Specifications (BLSDS Series)<\/h2>\n
The Ever-power SDS Dry Desulfurization system is meticulously engineered for plants demanding high-efficiency SO2 removal without the crippling OPEX of wet scrubbers. Below is the comprehensive structural and performance matrix.<\/p>\n
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\n\n\n| Technical Parameter<\/th>\n | Specification Range<\/th>\n | Engineering Impact & Plant Value<\/th>\n<\/tr>\n<\/thead>\n |
\n\nGas Processing Volume<\/strong><\/td>\n| 10,000 – 2,300,000 m3\/h<\/td>\n | Infinitely scalable design. Suitable for small industrial kilns up to massive utility-scale boilers.<\/td>\n<\/tr>\n | \nAllowable Gas Temperature<\/strong><\/td>\n| 140 – 260 \u00b0C<\/td>\n | Perfectly utilizes waste heat for sorbent thermal activation. No water quenching required, protecting ductwork from acid dew point corrosion.<\/td>\n<\/tr>\n | \nAllowable Inlet Dust Density<\/strong><\/td>\n| 1 – 1500 mg\/Nm3<\/td>\n | Handles moderate particulate loading seamlessly prior to final collection in the downstream baghouse.<\/td>\n<\/tr>\n | \nShell Design Pressure<\/strong><\/td>\n| -6000 to 6000 Pa<\/td>\n | Robust reactor and ductwork casing ensures absolute structural integrity under severe Induced Draft (ID) fan pressure fluctuations.<\/td>\n<\/tr>\n | \nOperating System Resistance<\/strong><\/td>\n| 800 – 1000 Pa<\/td>\n | Ultra-low pressure drop compared to wet scrubbers, drastically reducing ID fan electricity consumption.<\/td>\n<\/tr>\n | \nGuaranteed Outlet Emission<\/strong><\/td>\n| < 35 mg\/Nm3<\/td>\n | Ensures unwavering compliance with global ultra-low emission standards, preventing regulatory fines and operational shutdowns.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n\ud83d\udd2c Process Chemistry & Internal Architecture<\/h2>\n <\/p>\n
\n \n The SDS Working Principle<\/h3>\nFlue gas extracted from the process (at 140-260 \u00b0C) enters the proprietary Ever-power SDS reactor. Here, ultra-fine sodium bicarbonate (NaHCO3) powder is injected into the gas stream. Upon exposure to high-temperature flue gas, the sorbent rapidly decomposes, “popping” like popcorn to form highly porous, highly active sodium carbonate (Na2CO3). This expanded surface area acts as a chemical sponge, instantly neutralizing SO2, SO3, HCl, and HF.<\/p>\n Core Chemical Reactions:<\/strong><\/p>\n\n- Thermal Activation:<\/strong> 2NaHCO3 \u2192 Na2CO3 + CO2\u2191 + H2O<\/li>\n
- Main Desulfurization:<\/strong> Na2CO3 + SO2 \u2192 Na2SO3 + CO2\u2191<\/li>\n
- Oxidation Side Reaction:<\/strong> 2Na2SO3 + O2 \u2192 2Na2SO4 (Forms stable sodium sulfate)<\/li>\n
- SO3 Removal (Plume Elimination):<\/strong> Na2CO3 + SO3 \u2192 Na2SO4 + CO2\u2191<\/li>\n<\/ul>\n<\/div>\n
\n System Composition & Architecture<\/h3>\nThe BLSDS series is a fully automated, continuous processing loop consisting of the following core modules:<\/p>\n \n- Vacuum Feeding System:<\/strong> Utilizes a highly automated vacuum loader (001) to transfer raw sodium bicarbonate to the Raw Material Silo (002), eliminating manual labor and dust spillage.<\/li>\n
- Classifying Mill:<\/strong> A severe-duty mechanical mill crushes the raw sorbent to an ultra-fine specification of >1000 mesh (below 15 \u03bcm)<\/strong>. This extreme fineness is the key to achieving >95% efficiency.<\/li>\n
- SDS Injection Reactor:<\/strong> Equipped with proprietary mixing components. It creates intense turbulence, extending the gas-solid contact time to >4 seconds<\/strong> for maximum reagent utilization.<\/li>\n
- Bag Filter Collector:<\/strong> The chemical reaction continues on the surface of the filter bags. The bags, built to withstand >260 \u00b0C, capture the dry sodium sulfate byproduct and fly ash, releasing purified gas to the ID fan.<\/li>\n<\/ul>\n<\/div>\n
<\/p>\n<\/div>\n<\/section>\n\n\ud83d\ude80 Strategic Engineering Advantages<\/h2>\n\n \n Zero Water Consumption<\/h3>\nThe SDS process is 100% dry. It requires absolutely zero makeup water, produces zero wastewater to treat, and entirely eliminates the highly visible, corrosive “blue plume” associated with wet scrubbers.<\/p>\n<\/div>\n \n Low Reagent Cost<\/h3>\nThe system utilizes domestic, readily available sodium bicarbonate. By milling it to <15 \u03bcm on-site, the reactive surface area is maximized, driving down stoichiometric consumption rates and drastically lowering daily OPEX.<\/p>\n<\/div>\n \n Unparalleled Uptime<\/h3>\nWet systems suffer from slurry scaling, nozzle plugging, and severe corrosion. The Ever-power SDS system handles only dry powder and hot gas, extending equipment life exponentially and eliminating unplanned maintenance shutdowns.<\/p>\n<\/div>\n<\/div>\n<\/section>\n\n\u26a0\ufe0f Why Upgrade? Overcoming Industry Bottlenecks<\/h2>\n\n \n The Catastrophe of Wet Scrubber Corrosion<\/h3>\nOperating wet scrubbers (WFGD) introduces saturated, acidic moisture into your downstream exhaust systems. If flue gas temperatures drop below the acid dew point, concentrated sulfuric acid condenses on your ductwork and chimney stacks. This aggressive corrosion can eat through steel structures in months, causing millions of dollars in repair costs and halting production. Dry SDS eliminates moisture entirely, protecting your physical plant assets.<\/p>\n<\/div>\n \n The “Blue Plume” and Regulatory Surveillance<\/h3>\nWet systems struggle to capture fine SO3 acid mist, which escapes the stack as a highly visible, toxic blue or yellow plume. This immediately attracts public complaints and intense regulatory scrutiny. Furthermore, new environmental mandates enforce strict limits on multi-pollutants (HCl, HF). The Ever-power SDS system chemically neutralizes SO3, HCl, and HF instantly, rendering the stack exhaust completely invisible and legally compliant.<\/p>\n<\/div>\n<\/div>\n<\/section>\n\n\ud83c\udfed Typical Application Scenarios & Industry Fit<\/h2>\nThe BLSDS1W\/230W Series is the preeminent choice for applications requiring multi-pollutant control without the burden of water treatment.<\/p>\n \n \n Waste Incineration & Biomass<\/h3>\nMunicipal solid waste (MSW) and hazardous waste incinerators generate highly complex off-gases rich in HCl, HF, and SO2. SDS is the globally recognized standard for treating these aggressive acidic streams simultaneously.<\/p>\n<\/div>\n \n Coking Plants & Steel Mills<\/h3>\nPerfect for coke oven flue gas and sintering processes. The dry method ensures no temperature drop, allowing the purified gas to be exhausted directly or sent to downstream heat recovery systems.<\/p>\n<\/div>\n \n Glass & Ceramic Kilns<\/h3>\nThese industries require compact footprints and cannot accommodate wastewater infrastructure. SDS provides plug-and-play compliance for continuous high-temperature kilns.<\/p>\n<\/div>\n<\/div>\n<\/section>\n\n\u2696\ufe0f Core Advantages: SDS Dry vs. Wet FGD vs. Semi-Dry (SDA)<\/h2>\n\n \n\n\n| Comparison Metric<\/th>\n | Ever-power SDS (Dry)<\/th>\n | Limestone-Gypsum (Wet)<\/th>\n | Spray Dryer Absorber (Semi-Dry)<\/th>\n<\/tr>\n<\/thead>\n | \n\nWater Consumption<\/strong><\/td>\nAbsolute Zero.<\/strong><\/td>\n| Massive continuous demand.<\/td>\n | Moderate to High demand.<\/td>\n<\/tr>\n | \nWastewater Treatment<\/strong><\/td>\nNone required.<\/strong><\/td>\n| Expensive ZLD or treatment plant needed.<\/td>\n | None.<\/td>\n<\/tr>\n | \nCorrosion Risk (Plume)<\/strong><\/td>\nZero. Operates above dew point.<\/strong><\/td>\n| High. Acid mist bypass requires WESP.<\/td>\n | Moderate. Risk of wet bottom if uncontrolled.<\/td>\n<\/tr>\n | \nSystem Footprint<\/strong><\/td>\nExtremely Small. Compact duct injection.<\/strong><\/td>\n| Immense. Large towers and tanks.<\/td>\n | Large. Requires massive drying chamber.<\/td>\n<\/tr>\n | \nMulti-Pollutant Control<\/strong><\/td>\nSimultaneous SO2, HCl, HF, SO3 removal.<\/strong><\/td>\n| Mainly SO2. Struggles with fine SO3 aerosols.<\/td>\n | Good SO2 and HCl removal.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n\n\ud83c\udfc6 Why Partner with Ever-power?<\/h2>\n\n \n For over 20 years, Ever-power has been the trusted engineering authority in heavy industrial air purification. Designing an SDS system requires precision fluid dynamics to ensure perfect gas-solid mixing. It is a science we have perfected.<\/p>\n \n- \u2714\ufe0f<\/span> Full Value-Chain Integration:<\/strong> We are true EPC contractors. We deliver Process Engineering \u2794 Proprietary Mill & Reactor Manufacturing \u2794 Turnkey Site Installation \u2794 Intelligent Commissioning.<\/li>\n
- \u2714\ufe0f<\/span> Proven by Industry Giants:<\/strong> Our bespoke dry scrubbing systems successfully safeguard the compliance of massive conglomerates, including Tongchuan Shengwei<\/em>, Shanshui Group<\/em>, and major municipal waste facilities.<\/li>\n
- \u2714\ufe0f<\/span> Proprietary Technology:<\/strong> We utilize advanced classifying mills yielding <15 \u03bcm powder, coupled with our patented SDS injection lances that guarantee >4 seconds of residence time, pushing efficiency beyond standard limits.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n\n
\ud83d\udcd0 Engineering Selection Guide: Sizing Your SDS System<\/h2>\nTo engineer the precise SDS system for your facility, our technical team requires specific operational data. Prepare the following parameters for a rapid, accurate technical proposal:<\/p>\n\n1. Flue Gas Volumetrics & Temperature<\/summary>\nProvide the Maximum Gas Volume (Nm3\/h)<\/strong> and the continuous Operating Temperature (\u00b0C)<\/strong>. The thermal activation of sodium bicarbonate is optimal between 140\u00b0C and 260\u00b0C. If your gas is outside this window, we will engineer necessary heat exchange solutions.<\/p>\n<\/details>\n\n2. Inlet Contaminant Profile (Crucial)<\/summary>\nWe require the absolute peak concentrations of SO2, HCl, and HF (mg\/Nm3)<\/strong>. Knowing the total acidic load allows us to calculate the precise stoichiometric ratio of sodium bicarbonate required, dictating the sizing of the silo, feeder, and classifying mill.<\/p>\n<\/details>\n\n3. Downstream Baghouse Status<\/summary>\nThe SDS reaction completes on the surface of filter bags. Do you have an existing baghouse, or do you require Ever-power to supply a high-temperature tolerant bag filter integrated into the EPC package? Please specify allowable footprint dimensions.<\/p>\n<\/details>\n<\/section>\n\n\ud83d\udcb0 Value Quantified: Return on Investment (ROI)<\/h2>\nThe Ever-power SDS Dry Desulfurization system presents a transformational shift in plant economics by entirely removing the water cycle from emission control.<\/p>\n \n \n The Cost of Obsolete Wet Systems<\/h3>\n\n- Wastewater Nightmare:<\/strong> Wet scrubbers produce highly toxic, heavy-metal laden wastewater. Building and operating a Zero Liquid Discharge (ZLD) treatment facility can cost millions annually.<\/li>\n
- Corrosion Maintenance:<\/strong> Acid dew point condensation ruthlessly destroys ID fans, ductwork, and stacks, causing catastrophic replacement costs and extended plant downtime.<\/li>\n<\/ul>\n<\/div>\n
\n The Ever-power Upgrade ROI<\/h3>\n\n- Zero Water OPEX:<\/strong> No water usage, no slurry pumps, no vacuum filters, and no wastewater treatment. The operational electricity and maintenance savings alone justify the CapEx within 2-3 years.<\/li>\n
- Byproduct Utilization:<\/strong> The resulting dry sodium sulfate powder is stable and can often be safely landfilled or sold for secondary industrial uses, completely bypassing sludge handling costs.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n\n
\ud83c\udf0d Global Case Studies: Proving Our Authority<\/h2>\n\n \n \ud83c\udde8\ud83c\uddf3 Shanxi Coking Group (China)<\/h3>\nApplication:<\/strong> Coke Oven Flue Gas<\/p>\nChallenge:<\/strong> Required simultaneous removal of SO2 and dust without dropping the gas temperature, allowing downstream SCR denitrification to operate efficiently.<\/p>\nSolution:<\/strong> Installed the Ever-power BLSDS Series followed by a high-temp baghouse. Achieved SO2 < 15 mg\/Nm3. The dry process preserved the gas heat, perfectly protecting the SCR catalyst.<\/p>\n<\/div>\n\n \ud83c\uddee\ud83c\uddf3 Mumbai Municipal Waste (India)<\/h3>\nApplication:<\/strong> Waste Incineration (WTE) Exhaust<\/p>\nChallenge:<\/strong> Lethal spikes of HCl and HF gases causing severe corrosion in previous semi-dry towers, coupled with strict urban emission limits.<\/p>\nSolution:<\/strong> Retrofitted with our SDS injection system. The ultra-fine milled sodium bicarbonate instantly neutralized the acid spikes. Stack emissions became totally invisible, solving civic complaints.<\/p>\n<\/div>\n\n \ud83c\udde7\ud83c\uddf7 Rio Glass Manufacturing (Brazil)<\/h3>\nApplication:<\/strong> Float Glass Kiln<\/p>\nChallenge:<\/strong> Extremely tight factory footprint with absolutely no space for water treatment infrastructure.<\/p>\nSolution:<\/strong> The ultra-compact SDS reactor was installed directly into the existing ductwork. The fully automated vacuum feeding system required zero manual handling. Compliance achieved with zero added footprint.<\/p>\n<\/div>\n\n \ud83c\udde9\ud83c\uddea Bavaria Ceramic Works (Germany)<\/h3>\nApplication:<\/strong> High-Temperature Ceramic Kiln<\/p>\nChallenge:<\/strong> Intermittent HF and SO2 emissions. Previous lime-based injection struggled with low reactivity.<\/p>\nSolution:<\/strong> Switched to Ever-power’s Sodium Bicarbonate system. The classifying mill ensured <15 \u03bcm particle size, boosting reactivity. Sorbent consumption dropped by 45% compared to hydrated lime.<\/p>\n<\/div>\n<\/div>\n<\/section>\n | | | | | | | | | | |
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