Belonging category：Cremation equipment Publishing Date：20240114 views：5
Technical parameters of one-tow-one-air-cooled tail gas treatment equipment in funeral parlour
1. Basic requirements for tail gas treatment equipment
1.1 The whole body is made of high-quality national standard stainless steel material, with a thickness of not less than 2mm, uniform weld seams and firm welding. The outer surface should be smooth, and the joints between panels should be even and straight, and the outer layer should be sprayed with high-temperature antirust paint and decorative paint.
1.2 Configuration process of single tail gas purification treatment equipment: cremator → multi-element catalytic reactor → cyclone dust collector → air-cooled high-efficiency cooler → Mars interceptor → all-dry desulfurization and deacidification reactor.
→ pulse bag dust collector → activated carbon adsorption purification reactor → ejector discharge.
1.3 Configure primary and secondary cooling treatment.
1.4 High-voltage and low-voltage electrical appliances shall adopt high-quality products of well-known domestic brands.
1.5 The fan adopts shock absorption positioning.
1.6 The induced draft fan can continuously adjust the negative pressure in the furnace.
1.7 Dioxin emission indicators shall meet the requirements of GB13801-2015.
1.8 Bag dust suppression should be controlled by high voltage pulse.
2, the whole machine requirements:
2.1 overall dimensions of the equipment: l× w× h = 12,500mm× 2,200mm× 3,500mm (5%) (any combination can be made according to the site conditions).
2.2 Weight of the whole machine: ≤10 tons.
2.3 Working environment: outdoor or crematory fan room.
2.4 Working environment temperature:-25 ~ 50℃.
2.5 Flue gas purification capacity: ≥ 13908m3/h.
2.6 Flue gas cooling mode: forced air-cooled cooling.
2.7 Equipment layout: According to the actual situation of the funeral home site, the operation of the tail gas purification equipment of the cremator can meet the requirements of environmental protection, energy saving, high efficiency and simple operation, and combined with the site conditions, the equipment layout is compact and reasonable, the sound insulation measures are reasonable and effective, and the equipment maintenance space is ensured.
3. Detailed technical requirements for equipment of tail gas purification treatment system
3.1. Multicomponent Catalytic Reactor
3.2.1 Multi-element catalyst is used to catalyze and oxidize toxic and harmful substances in flue gas, which can effectively remove dioxin pollutants, sulfur dioxide, hydrogen sulfide and other toxic and harmful substances and odors in flue gas;
3.2.2 Material requirements: The national standard stainless steel material shall be selected as the manufacturing material, which shall not be less than 2mm.
3.2.3 overall dimensions: l× w× h = 500× 500× 800 mm (5%)
3.2, technical requirements of cyclone dust collector
3.2.1 It has the functions of first-class flue gas purification treatment and cooling treatment, which can separate large-particle dust with high temperature and prevent it from entering the bag dust suppression system and burning the bag;
3.2.2 Material requirements: The manufacturing material is made of high-quality national standard stainless steel, not less than 2mm.
3.2.3 overall dimensions: l× w× h = 2100mm× 800mm× 3300mm (5%).
3.3. Technical requirements of air-cooled high-efficiency desuperheater
3.3.1 It has the function of secondary cooling treatment. It is required to reduce the high-temperature tail gas at 900℃ to below 200℃ within 2 seconds, jump over the temperature zone where dioxins are easy to form, and meet the requirements of filter bag dust removal temperature.
3.3.2 Manufacturing material of air-cooled high-efficiency cooler: The tubes are made of high-quality national standard seamless steel tubes, with a thickness of not less than 2mm, and thermal insulation and technical measures shall be taken to prevent gas corrosion from penetrating.
3.3.3 Power of industrial axial flow fans: 0.85KW, with 2 sets in number.
3.3.4 overall dimensions: l× w× h = 2300mm× 1000mm× 3500mm (5%).
3.4. Mars Interceptor
3.4.1 The mesh stainless steel filter device is used to intercept Mars and large-particle dust in the dust to protect the cloth bag;
3.4.2 Material requirements: The national standard stainless steel material shall be selected as the manufacturing material, which shall not be less than 2mm.
3.4.3 overall dimensions: l× w× h = 500× 500× 800 mm (5%)
3.5. Technical Requirements of Full Dry Deacidification and Desulfurization Reactor
3.5.1 Low installation is required, which is convenient for adding powder. Sealed tightly, to ensure that the dry powder is fully dried, not bonded or caked.
3.5.2 The manufacturing material shall be made of high-quality national standard stainless steel material, not less than 2mm, and the welding process shall meet the technical requirements.
3.5.3 Automatic feeding device (motor power is 0.55KW) is adopted, and the feeding amount can be adjusted. The purification treatment rate of harmful pollutants such as acid and sulfur reaches over 98%, and the discharge standard meets the requirements of national standard GB13801-2015.
3.5.4 Overall dimensions: ~ ￠800×2000mm(±5%%).
3.6, pulse bag filter technical requirements
3.6.1 Structure composition of bag dust collector: It must be composed of box body, bracket, overhaul frame, filter bag frame, filter bag, deflector, dust collection room, dust removal control program, etc. Requirements for materials such as box and bracket: made of high-quality national standard stainless steel, not less than 3 mm. Overall dimensions: l× w× h = 3800 mm.
×2200mm×3500mm(±5%)。
3.6.2 The filter bag for dust removal is made of high-quality TPFE film-coated filter material, which can withstand the highest temperature of 260℃ and the continuous working temperature of 240℃, with good dust removal effect and long service life, with 120 pieces in number and specifications of ￠130×2000mm. The cloth bag should be oil-proof, waterproof and high temperature resistant. (Provide supporting materials)
3.6.3 The speed of tail gas passing through the filter bag: not less than 1.1m/s..
3.6.4 Handling air volume ≥6000m3/h
3.6.5 The total filtering area shall not be less than 112m2, and the net filtering area shall not be less than 110m2.
3.6.6 Dust removal efficiency is not less than 99.9%.
3.6.7 The air pressure for ash cleaning shall not be less than 6.35bar.
3.6.8 The gas consumption for ash cleaning shall not be greater than 92m3/h..
3.6.9 Export smoke concentration ≤20mg/m3.
3.6.10 Outlet flue gas temperature ≤50℃
3.6.11 Removal effect of filter bag on various pollutants: The removal rate of particulate matter (dust), various heavy metal pollutants and organic toxic pollutants meets the requirements of national standards.
3.6.12 Bag dust collector has feasible technical and technological measures to prevent condensation.
3.6.13 Accessory configuration requirements:
3.6.13.1, high-quality brand-name air compressor, the pressure is not less than 0.8MPa, the displacement is not less than 3m3/min, and the motor power is not less than 7.5KW.
3.6.13.2 gasholder: made of high-quality national standard steel plate material, with a thickness of not less than 3mm, a size of < ￠300×3800mm and a working pressure of 0.8MPa, which meets the technical standards for pressure vessels.
3.6.13.3 rationally arranges pipelines according to the construction site, and each pipeline and valve should use high-quality, high-performance and brand products.
3.7, activated carbon adsorption purification reactor technical requirements
3.7.1 The manufacturing material of activated carbon adsorption system is made of high-quality national standard stainless steel, which is not less than 2mm.
3.7.2 Low-level installation is required to facilitate the addition and replacement of activated carbon.
3.7.3 Use the adsorption function of activated carbon to eliminate the peculiar smell in the flue gas, and re-purify the filtered flue gas to reduce the harm to human body.
3.7.4 overall dimensions: l× w× h = 1400 mm× 500 mm× 1600 mm (5%).
3.8. Technical Requirements of Ejector Smoke Exhaust System
3.8.1 The induced draft fan shall be high-quality high-temperature resistant variable-frequency induced draft fan, with a power of not less than 15Kw, an air volume of not more than 3,360m3/h and an air pressure of not more than ≤2840Pa. The pressure and air volume can be automatically controlled by frequency conversion according to the combustion situation of the cremator furnace. The voltage is 380V, and the impeller is made of 16Mn, which is shock-absorbing and fixed. The air outlet adopts rubber telescopic flange connecting sleeve to reduce vibration and noise.
3.8.2 The chimney is made of high-quality national standard stainless steel, which is not less than 2mm and about 12m high. (It can be adjusted according to the surrounding buildings).
3.9, connecting pipes
Connecting pipes should be arranged reasonably according to the construction site to ensure no air leakage. All pipelines are made of high-quality national standard stainless steel materials, not less than 2mm, and all emergency pipeline valves must be resistant to high temperature, not less than 500℃.
3.10, technical requirements of control system
3.10.1 The control system should have two sets of controls, manual and automatic, which can be switched freely without interference.
3.10.2 The control system should be compatible and matched with the control system of the cremator, which is convenient for on-site operation.
3.10.3 The control system shall have undervoltage and overcurrent protection.
3.11. Technical requirements of on-line pulse ash cleaning device
Using high-quality air compressor and supporting pulse dust removal device, the filter bag can be cleaned regularly and quantitatively, and the dust removal is complete and there is no dust accumulation.
3.12 Environmental protection indicators
3.12.1 Smoke blackness: Dallinger Mann zero under normal conditions; Under special circumstances, it is less than Lingemann level 1.
3.12.2 Noise: It meets the requirements of national standards.
3.12.3 Pollutant discharge index: It meets the pollutant discharge standard of GB13801-2015.
3.13 Accessories: supporting equipment wires, pipelines, sealing materials, etc.
3.14 The service life of the equipment shall not be less than 10 years.