Belonging category：Cremation equipment Publishing Date：20240114 views：10
Technical parameters and requirements of tail gas purification equipment of funeral home cremation engine
A, cremation machine tail gas purification treatment equipment overall configuration requirements
1. The basic configuration of tail gas purification treatment equipment of a single cremator: high-efficiency cooling reactor, desulfurization, deacidification and degreasing device, activated carbon adsorption device, primary dust collector, bag dust collector, variable frequency fan, chimney, electric control system, etc., and the whole equipment is made of high-quality stainless steel.
2. The tail gas purification treatment equipment adopts air cooling process.
Second, the cremation machine tail gas purification treatment equipment efficient cooling reactor requirements
The whole dry cooling process is adopted, and no other secondary pollution such as secondary polluted water occurs in the whole purification process, and the whole dry purification process is adopted.
1. Material requirements: the upper and lower boxes are made of 304 stainless steel plates with a thickness of ≥2mm, and the heat dissipation is in the form of tubes, which meet the requirements of heat absorption and heat resistance, corrosion resistance, high temperature resistance, excellent welding process and no leakage.
2. Cooling effect: realize the sudden drop of tail gas temperature, avoid the secondary synthesis of dioxins, and meet the requirements of filter bag dust removal temperature.
3. Structural requirements: There should be observation holes on the upper and lower sides in the design (which can also be used for equipment maintenance), and the diameter of a single observation hole should be ≥ 300 mm..
3. Desulfurization, deacidification and degreasing device for tail gas purification treatment equipment of cremation machine
1. Automatic feeding device is adopted, and the feeding amount can be automatically adjusted.
2. The box of desulfurization and deacidification system is made of 304 stainless steel with corrosion resistance and high temperature resistance, and the thickness is ≥2mm, which is simple and beautiful and occupies a small area.
3. Low installation, easy to add powder, with dry powder drying treatment. Convey the dry powder to the high-level pipeline and ensure full atomization. No waste water is allowed.
Four, cremation machine tail gas purification treatment equipment activated carbon adsorption device
1. Fully automatic control. The box is made of corrosion-resistant and high-temperature resistant stainless steel, the thickness is ≥2mm, the feeding amount can be set freely, and it can be quantified automatically and regularly, and the removal rate of dioxin compounds and heavy metals is over 95%.
2. In order to reduce the occupied area, the activated carbon adsorption device and the desulfurization, deacidification and degreasing device are made in the same body.
3. After signing the contract, the winning bidder shall provide a detailed description of the origin, model and price of activated carbon.
4. The design should be convenient for employees to maintain and add activated carbon.
Five, cremation machine tail gas purification treatment equipment primary dust collector
1. The primary dust collector is composed of box, perforated plate, multi-cylinder, dust collection chamber, single control valve, deflector, vibrating device of silo wall, ash cleaning program control, thermal insulation layer outsourcing, etc.
2. The primary dust collector box is made of high-quality 304 stainless steel, the perforated plate is made of 304 stainless steel with a thickness of at least 6 mm, and other parts are made of 304 stainless steel with a thickness of more than 2 mm..
Six, cremation machine tail gas purification treatment equipment bag dust collector
1. Structure of the bag dust collector: It consists of box, bracket, overhaul frame, filter bag frame, filter bag, pulse control instrument, etc. It is made of high-quality stainless steel with a thickness of more than 3 mm..
2. The speed of tail gas passing through the filter bag: 0.8-1.2m/min.
3. Anti-condensation requirements of bag filter.
4. The filter bag is made of materials with high temperature resistance, high strength, acid and alkali corrosion resistance and wear resistance. The instantaneous maximum temperature can reach 260℃, and the dust removal effect is good. The warranty period of the filter bag is more than 3 years, and the service life of each filter bag is at least 1 year. After signing the contract, the winning bidder shall provide the manufacturer, model, quantity, unit price and performance of the filter bags used.
5. Auxiliary configuration (determine the supporting quantity according to your own situation):
A. Screw compressor: no vibration, low noise, reliable operation and long service life. Frequency conversion control.
B gas storage tank: designed, manufactured and inspected according to pressure vessel standards, made of high-quality carbon steel.
C, combined dryer, high-precision filter, pipeline and valves.
D, processing air volume ≥ 5000m3/h.
E, outlet flue gas temperature 150℃ or less.
F, dust removal efficiency of 99% or higher.
Seven, cremation machine exhaust purification treatment equipment induced draft fan
1. Adopt high-temperature resistant variable-frequency fan, and the motor power is not less than 15KW. It is required that the impeller and casing contact with flue gas should be made of 304 stainless steel with a thickness of at least 2mm.
2. The installation base is horizontal and vibration-free, with shockproof pads, and the fan outlet needs to be installed with a rectifier muffler.
3. When the induced draft fan is running, it meets the national outdoor environmental noise category 3 standard (≤ 65dB in the daytime and ≤ 55dB at night).
Eight, cremation machine tail gas purification treatment equipment connecting pipeline
1. The whole structure is made of high-quality 304 stainless steel with a thickness of not less than 2mm. The exterior should be treated with heat insulation materials with a thickness of not less than 50 mm. All emergency pipeline valves must be high temperature resistant, not less than 500℃, and the overall requirements are that they should be sealed completely and not leak air. Exterior aluminum plate decoration.
2. The pipeline is connected by stainless steel flange, which is convenient for disassembly.
3. Pipe steering adopts elbow welding, and the welding process is excellent. Right-angle steering is connected by 90-degree elbow welding, and all elbows and 90-degree elbows are made of high-quality stainless steel.
Nine, cremator tail gas purification treatment equipment chimney
Made of 304 stainless steel, the thickness is not less than 2mm, and permanent exhaust gas detection holes should be left at reasonable positions of the chimney to facilitate detection, and the position and size should meet the requirements of environmental protection detection. In addition, a special self-closing rain cover should be installed to prevent daily rain leakage, and a chimney discharge ejector deflector should be installed.
Ten, cremation machine tail gas purification treatment equipment lightning protection facilities
1, the overall use of qualified lightning protection measures to ensure the safe operation of equipment.
Eleven, cremation machine tail gas purification treatment equipment power supply system
1. Each main circuit should have automatic load protection switch, and the load such as motor should have overload protection.
2. The grounding protection of the metal shell of the electronic control device shall comply with the provisions of GBJ232.
3. The circuit design of the whole equipment system meets the standard of Code for Distribution Design of General Electrical Equipment (GB50055-2011).