Fireplace Design - A real burning issue
Izvor: KiWi
Trenutačna izmjena od 19:55, 18. studenog 2013.
Mantlepiece and grate styles have changed but the basic structural components of a fireplace haven't significantly changed for more than 100 years. The combination of a big stone or brick beginning with a chimney built over it evolved from the evident fact that smoke rises, instead of from a scientific understanding of how a well-designed flue system works. Therefore early wood and later coal-burning fires were very inefficient and it was not until a particular Benjamin Thompson (also known as Count Rumford) produced his thesis on the rules of hearth style in 1799 that smaller grates and improvements in the inner model of the spaces were released. A brick or stone box forms the foundation of the fireplace. This stylish fireplace design paper has diverse pushing aids for where to consider this activity. Variously referred to as the fireplace opening or recess or contractors opening, it might be set flush with the wall or built out into the room, building a chimney breast. That chimney chest rises through the height of the house, appearing through the roof to make a chimney stack. At the top of the opening the flue and gather combine to carry the smoke up the chimney. In the event the chimney is shared by many fireplaces on different surfaces, it might include multiple flue. The masonry within the fireplace opening is supported with a lintel or perhaps a brick arch. Old inglenook fireplaces used huge oak beams, whereas an early brick arch is usually supported by a strong iron strap. Later fireplaces might have a right arc supported by angle iron, and by the twentieth century cast concrete lintels were the norm. A fireplace, built from materials including stone or tile-faced cement, projects out to the room to safeguard the floor from ashes. Generally in most old houses the hearth was set flush with the floor, although often an one was used to improve the level. The space within the fireplace opening, called the hearth, is generally level using the hearth itself. Your pet dog grate for burning wood or coal can be added to this straight back hearth. However, from the mid-nineteenth century the mass produced cast-iron register grate which filled the opening, had become the style. To perform the assembly, a mantelpiece or mantel or fireplace surround, since it is often called to-day is suited to figure the grate or fireplace opening. The mantel could be made out of stone, standing, marble, wood or cast-iron. The walls around it may be finished with wood paneling, or even more commonly with plaster, and in some cases the mantel runs upwards to form an impressive chimneypiece. Reflected overmantels were presented in the late eighteenth century, and these became the classic feature of Victorian sitting areas. Within this hearth an open fire burning wood or coal is a cheerful picture, but if it's your only way to obtain warmth, as it was for hundreds of years, this romantic picture could soon fade especially if the fire does not burn properly. Retaining it alight then and obtaining a fire started becomes a challenge, if not a task. For coal and wood fires to burn up well a good supply of air is needed under the grate, as well as a means of escape for the hot gases and smoke. With the gas safely contained inside the fireplace opening over a grate, free circulation of air is possible and therefore the fire isn't stifled waste ash could fall through the grate. In the event the chimney is insufficient or the movement of air is restricted the fire will not operate properly.
Hearth Design - An actual burning issue
