Belonging category：Cremation equipment Publishing Date：20240114 views：6
Technical parameters and requirements of environmental protection and energy-saving high-grade flat cremation machine
1) The cremator is a full-automatic energy-saving flat cremator, which must meet the national standard by using light diesel oil as fuel.
2) Reference value of furnace body dimensions: L× W× H = 3400× 2200× 3200mm (5%). The design is reasonable and elegant.
3) Reference value of furnace size: l× w× h = 2100× 700× 680mm (5%).
4) Equipment frame and external decoration: the appearance design of the furnace body is beautiful and practical, and the equipment as a whole adopts national standard steel. The furnace frame is made of angle steel with a reference value of 50× 50 mm (10%), which is durable and does not deform. The exterior decoration material is made of high-quality 304 stainless steel wire drawing plate with a thickness of not less than 1 mm.
5) Reference value of preparation door size: h× w = H×W=1850×1000mm(±5%%). The lobby preparation door system adopts stainless steel elevator door device, and the motor power is less than 0.75KW, so it needs to run smoothly, without noise, and it is light and elegant. It is suggested that an LED display should be set above the preparation door.
6) Furnace working pressure:-5 ~ -5～-40Pa.
7) Two-way tracked corpse delivery vehicle is equipped, the chain plate of the two-way tracked corpse delivery vehicle is convex, and the two sides of the bracket are equipped with packages lower than the chain plate respectively, so that reciprocating motion can be realized, and the corpse can be automatically transported and unloaded without jamming clothes, and the paper coffin that is transported beyond the width of the track will not be jammed on the frame body, resulting in idling or jamming of the track. The exterior decoration is luxuriously decorated with high-quality stainless steel plates of not less than 1 mm. The corpse car has no rails or tow lines, and it runs smoothly, with low failure rate, convenient use and elegant appearance.
8) Reference value of the overall dimensions of the bidirectional tracked corpse transport vehicle: l× w× h = 4500× 850× 830mm (5%).
9) Fuel used: dual-purpose oil and gas (0 ~–20 # light diesel oil can be selected according to the needs of users).
10) Energy consumption: light diesel oil < 8kg/ set (continuous cremation).
11) Incineration time: < 45 minutes/set (continuous cremation).
12) Reference value of main furnace working temperature: 500℃ ~ 850℃.
13) Reference value of working temperature of secondary combustion chamber furnace: 850℃ ~ 950℃.
14) Reference value of furnace working pressure:-5pa ~-30pa.
15) Exhaust induced draft fan: ≥7.5kw, without foot screws, with high-quality shock-proof cushion for shock absorption and positioning, and rubber telescopic flange connecting sleeve at the air outlet, with silencing device.
16) Adopt a low-noise fan with silencer, with the fan power of not less than 7.5KW, air volume of ≥ 2,700 nm3/h and air pressure of ≥ 10,700 Pa. The air outlet adopts rubber telescopic flange connecting sleeve, and the base should be positioned by shock absorber, and equipped with silencer.
17) Oil supply pipeline: it is required to be made of high-quality seamless steel pipe, so as to avoid oil leakage and seal it well. Install national standard flowmeter: it can accurately measure fuel consumption.
18) Total power of equipment: ≤20Kw/ set.
19) Total weight of furnace body: < 20t;
20), the whole machine noise is not more than 70 decibels.
21) Service life of the whole machine: ≥10 years.
22) The furnace is composed of a main combustion chamber and a secondary combustion chamber. The main combustion chamber is made of high-alumina phosphoric acid refractory bricks (refractory temperature above 1100℃), and the special-shaped bricks in the furnace, such as the burner double-hole seat brick, the lower burner brick of the main combustion chamber and the top arch brick of the furnace, are poured with refractory materials with domestic famous brands and formulas. The temperature and pressure of the main combustion chamber and the second combustion chamber shall be over-limit protection and explosion-proof devices.
23) Furnace masonry process requirements: the mortar joint of firebrick masonry in the main combustion chamber shall not be greater than 3mm.
24)* Refractory bricks, thermal insulation materials and refractory cement in the furnace must be domestic famous brand products. The surface temperature rise of the external structure of the furnace is less than 30℃, and the local temperature rise of the furnace door and observation hole is less than 60℃.
25) The main combustion chamber uses high-quality auto-ignition burner, and the main burner must be able to automatically adjust the angle for combustion. The burner should be equipped with a safety protection device. When igniting, the safety ignition time is 3-7 seconds. If the ignition fails, the safety protection device can automatically cut off the fuel supply.
26) It is equipped with primary and secondary air heating devices, and the combustion-supporting air is equipped with preheating devices during combustion to meet the requirements of energy saving, emission reduction and energy consumption reduction. The air supply system is equipped with an in-furnace waste heat conversion device, which absorbs the waste heat in the furnace in the form of radiation heat exchange. It is made of high-quality high-temperature and corrosion-resistant stainless steel pipe material, which can fully absorb the heat in the flue, with good recovery effect and high heat transfer efficiency, and achieve the display effect of combustion-supporting and accelerating cremation speed.
27) The oven door lifting system adopts mechanical transmission lifting, which has the advantages of stable operation, low failure rate, good sealing performance, reliable operation and convenient maintenance.
28) The door frame of the furnace should be made of stainless steel with a thickness of 3 mm or more, and the inner door close to the flame should be compacted with high-temperature aluminum silicate fiber cotton, with a thermal conductivity lower than 0.14 (average 500℃), and equipped with a door compacting device to prevent air leakage and fire leakage.
29) The residual smoke recovery system is designed in front of the furnace, and the residual smoke recovery device is set up above the furnace door in the front stand of the furnace body, which effectively collects the residual smoke emitted by the corpse after the furnace door is opened, and recovers the residual smoke to the smoke exhaust system through the pipeline, thus solving the problem of air pollution in the workshop caused by smoke overflow.
30) Smoke exhaust mode: the lower smoke exhaust mode is adopted, the underground flue should be built with stainless steel waterproof tank and special refractory bricks, and the mortar joint is less than 3 mm. Ash cleaning doors should be set up in the easy-to-accumulate parts of the cremator discharge system to facilitate the ash cleaning of the flue. The ejector chimney structure is adopted, and the total height of the ejector chimney is designed as required. It is made of high-quality steel plate with a thickness of ≥3 mm, and the first section buried underground is made of stainless steel plate with a thickness of ≥4 mm.. A chimney smoke emission monitoring system is installed: a color chimney exit smoke monitoring camera should be equipped outdoors to observe the smoke emission effect of the chimney indoors.
31) The main control system adopts automatic intelligent control system: it is equipped with high-quality PLC intelligent programmable control system, which is not less than 11-inch color LCD touch screen operation, and can realize three undisturbed switching operations: full automatic, semi-automatic and manual. It can clearly display cremation time, fuel consumption, pressure, temperature and other technical parameters. Can ask professionals to reprogram according to their own needs, with leakage protection, multi-stage temperature display, over-temperature automatic alarm, and synchronous equipment operation signal display function. Electrical components must use well-known brand products.
32) Independent electrical control cabinet shall be adopted, and high-quality and high-grade products shall be used for low-voltage electrical appliances. The power supply system and circuit shall be equipped with automatic load protection switches, and overload protection shall be applied to loads such as motors.
33) The upper computer should be a TFT LCD touch screen, which displays the running state and various parameters (including main combustion temperature, reburning temperature, furnace negative pressure, single cremation time, cumulative cremation time, single fuel consumption, air valve opening and various function buttons, etc.) of the cremator; Each control display screen must be on more than one level. The lower computer must be a brand programmable controller to ensure reliable and stable operation.
34) This cremator is designed with a remote maintenance system for flue gas purification treatment, which can be connected with the remote computer through the temperature detection module of the flue gas outlet, the microprocessor and wireless communication module arranged in the cremator, and analyze whether the flue gas of the cremator is out of order according to the collected data, so as to automatically prevent the environmental pollution caused by the flue gas discharged by the cremator.
35) When normal remains are cremated, the smoke blackness is ≤ Lingemann level, and the concentration and total amount of various pollutants should meet the standard requirements specified in GB13801-2015.