Before modern cremation, most cremation were done outdoor in open pyre with firewood. During the time, everyone has to stay and perceive the pungent and burning smells emanating from the burning corpse. Sometimes the remains were not burnt completely while some that had burnt, has lots of ash weight due to excess wood used to reduce the body to ashes. Cremation were not getting popular then. It was not until middle 1800s that cremation equipment were being developed, which leads to modern type of cremation and then crematorium. This modern method has some mind-blowing stuff you may not know about them, they are colourful, and they are works of art.
Unlike the olden time of cremation which took place on an outdoor, open pyre, with firewood, and to a lesser extent, coal being the only available fuel options and the low energy efficiency inherent in such a configuration; modern Crematories are usually found in funeral homes, chapels, cemeteries, or in stand-alone facilities. In most crematoria, the chapel area is the main focus, while the cremation itself is confined to a back-of-house, functional area. In far more advanced crematoria such as communal crematorium, family and loved ones may follow the coffin all the way through the cremation process.
The coffin is first carried from the hearse to a quiet and peaceful room for last goodbyes. From this quiet room, friends and relatives of the deceased have the option to follow the coffin and observe the cremation through a window into the furnace room. The crematorium is designed with consideration for the people who work there. The new furnace room creates good indoor climate and working conditions while also offering a worthy atmosphere for the relatives of the deceased. In Cemetery with built-in crematorium it is very easier for relatives who still want to bury the ashes to be able to pick up the urn from the crematorium and bury it at the cemetery.
Should we say that corpses are cremated right away after funeral; well it depends on the crematorium’s staff and how the diseased family wants their loved one to be cremated. Some crematorium has it that the corpse is cremated with the coffin alongside every funeral decorations on it, after which metals like coffin handles, or any other metal material on the corpse are later separated from the leftovers. However due to the type of some furnace it is generally advisable for mechanical devices, pacemakers, in particular, to be removed beforehand because they may explode due to the intense heat and damage the cremation equipment and staff. It is suggested to remove jewellery items like rings, wrist watches, and other similar objects, too, as they are likely to break down during the process.
Moreover, some crematorium would go as far as stripping all from the corpse, rap and tie it with a white clothe and then put it on a container like carton and then seal it with tape which is then served on a trolley to the furnace.
As the name suggests ‘burning of a whole human body’ you may think that due to the high water content of a human body and the body mass, it will take a whole lot of hours, if not days to completely burn down a whole flesh. But the time to carry out a cremation can vary from 70 minutes to 210 minutes. Crematories used to run on timers (some still do) and one would have to determine the weight of the body therefore calculating how long the body has to be cremated for and set the timers accordingly. Other types of crematories merely have a start and a stop function for the cremation, displayed on the user interface. The end of the cremation must be judged by the operator who in turn stops the cremation process “Most take about an hour-and-a-half, but we have had one that has taken three hours, as it all depends on the size of the person and the heat’’ James Wilkinson who has been working at Weston Mill Crematorium since he was 18 years old said on an interview.
Have you ever been in a crematory to see how wicked and hot the chamber looks like, always ready to consume us human who are lucky to be at the other side of the world. The heat it produces nearly equates to that which the diseased is seeing in hell if found there; that is Double Burning. A typical unit contains a primary and secondary combustion chamber. These chambers are lined with a refractory brick designed to withstand the high temperatures. The primary chamber contains the body – one at a time usually contained in some type of combustible casket or container (carton). This chamber has at least one burner to provide the heat which vaporizes the water content of the body and aids in combustion of the organic portion. A large door exists to load the body container.
Temperature in the primary chamber is typically between 760 and 1150 °C (1400 to 2100 °F). Higher temperatures speed cremation but consume more energy, generate more oxides of nitrogen, and accelerate spalling of the furnace’s refractory lining. The secondary chamber may be at the rear or above the primary chamber. A secondary burner(s) fires into this chamber, oxidizing any organic material which passes from the primary chamber. This acts as a method of pollution control to eliminate the emission of odours and smoke. The secondary chamber typically operates at a temperature greater than 900 °C (1650 °F). With this temperatures, imagine when you luckily woke up inside the furnace immediately when the temperatures is set; horror, right?
Assume crematories have no secondary afterburner to help burn the body completely; the calcified leftover bones would be very red hot in appearance, taking the shape of a human body. It would be like a hip of red hot metal in human form with cracks all over including the skull. Of course no relatives would like to see its own in that particular state, because it would be a total outburst of cry.
The heat dries the body, burns the skin and hair, contracts and chars the muscles, vaporizes the soft tissues, and calcifies the bones so that they eventually crumble. Crematories which have no secondary afterburner may have the cremation technician crush the partially cremated remains with the help of a long hoe-like rod. This is done when still red hot. As a result, the corpse is reduced to skeletal remains and bone fragments. It is then collected in a tray or pan (tiny residue may still remain in the chamber and mix with the particles from subsequent cremations) and allowed to cool for some time. Finally, the dried bone fragments are further ground into a finer sand-like constituents, white in colour. The machine used for this pulverization is called cremulator.
The remains, however, also contain non-consumed metal objects such as screws, nails, hinges, and other parts of the casket or container. In addition, the mixture may contain dental work, dental gold, surgical screws, prosthesis, implants, etc. These objects are removed with the help of strong magnets and/or forceps after manual inspection. All these metals are later disposed of as per the local laws.
OrthoMetals is a company specialized in prosthetics recycling, the company sends its trucks to collect metals from 450 crematoria in 15 European countries at no charge. it sorts the metals into crates of iron, titanium, stainless steel and cobalt chromium and sells them to scrap dealers at the going market rate. After deducting costs, including transportation, the proceeds are returned to the crematoria or to national burial associations to be donated to charities of their choice. Usually the funds go to cancer societies, research institutions or any other medical facilities. margins are small. A new hip costs the patient at least $2,700 before surgery, but it has a scrap value of about $4.10.
4. Does it smell
One would expect a house where human remains are burnt to smell like goat burning at the stake and it suppose to be a no go area as the smell would be very irritating and suffocating; but due to advancement in the technology it is not so. Like said earlier the secondary burner oxidizing any organic material which passes from the primary chamber. This acts as a method of pollution control to eliminate the emission of odours and smoke
After crushing the crumbled bones into white ashes in a cremulator, relatives are left to pick best Urns of their choice for storing the ashes of the loved ones.
How can it be an easy job when you look your fellow human in the face bag him up, through him in a fire and then char him to ashes. A staff revealed how they never become numb to the process but do have to have ‘a weird sense of humour behind closed doors’ while they look after your loved one.
“You have to have a weird sense of humour though, but that’s behind closed doors. When you are out of the limelight you have got to have a release, and that is ours – having a strange sense of humour. If you don’t have that you will crack up.”
Due to high heat generated by the combustion chamber, many crematoria has sort to convert the heat into one form of energy or another. Some use to generate electricity. While the thermal energy of some are use for space heating of the funeral chapel, or other facilities or for distribution into local district heating networks which has arisen in recent years
By Francis Aneke; 07067831200
It is now obvious that cremation is the best method of human waste disposal, due to this, more and more races around the world are increasingly using this method rather than the conventional method of body burial. However most part of Africa still sticks to the normal method of human waste disposal due to believes and traditions. Additionally, another kind of cremation has newly evolved called liquid cremation where human remains are dissolved completely in water and potassium hydroxide; but unfortunately its not yet popular..
Before Cremation Video [Make sure your ready to watch this, otherwise]
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