Design and installation method of smoke exhaust hood in hotel kitchen:
1. The structure and materials of the wall for the installation of kitchen smoke exhaust hood should have sufficient strength. The exterior wall opening of smoke exhaust pipe and air duct can be built with precast concrete block with hole or embedded steel pipe. The installation method of thermal insulation wall (hollow brick shall be used) is the same as that of normal wall. If the wall is not strong enough, it shall be reinforced with wood board or other materials.
2. The smoke pipe installed in the kitchen smoke exhaust hood directly passes through the outer wall to the outside, and components to prevent environmental pollution and shelter from wind shall be set at the outdoor exhaust port. For the range hood connected by the common vertical flue, the section of its vertical flue shall be calculated and determined according to the exhaust volume.
3. The installation height of the top suction type of the kitchen smoke exhaust hood should be at least 65 cm above the gas stove, and it is more appropriate between 65-75 cm
1： Connect the pipe of the range hood to the flue opening through the ceiling.
matters needing attention:
1. First of all, it is necessary to check whether there are conditions for the space and position reserved at the upper part of the flue opening due to the downward movement of the ceiling.
2. Before the ceiling, the smoke exhaust pipe of the ventilator is embedded into the upper part of the ceiling. The position of the exposed opening of the smoke exhaust pipe on the ceiling needs to be determined according to the design drawing of the cabinet. It also needs to refer to the style of the ventilator. Generally speaking, the pipe of the European ventilator is in the middle position, while the smoke exhaust pipe opening of the sergeant ventilator is on one side of the ventilator. These conditions affect the position of the reserved opening.
3. When embedding the smoke exhaust pipe, pay attention to close the gap at the smoke passage and ensure that it is firm and does not fall off.
4. If the stove is placed on one side of the shade platform, it is necessary to pay attention to whether the smoke exhaust pipe passes through the lintel of the building. In principle, the property management department is not allowed to punch holes through the smoke exhaust pipe in the lintel. This treatment method 1 does not need to consider the distance between the flue outlet and the wall, which avoids affecting the installation of the hanging cabinet because the distance between the flue outlet and the wall is greater than the depth of the hanging cabinet. 2 it can avoid leaving a section of transverse smoke exhaust pipe on the top of the hanging cabinet after installation, which affects the appearance.
5. In this way, it is inevitable that the pipes leading up and down will be exposed in the ceiling and the upper part of the smoke machine. Friends can design the guarantee plate according to the position and height of the pipe. This method is conducive to smooth smoke exhaust and beautiful overall layout.
2： The ceiling is close to the top of the kitchen, and the space between the ceiling and the top of the hanging cabinet is used to lead the smoke exhaust pipe laterally.
matters needing attention:
1. Whether there are conditions for leading smoke exhaust pipes between the ceiling and the top of the hanging cabinet. The position of the flue outlet is higher than the top of the hanging cabinet There are no obstacles at the main pipe of the gas meter.
2. The distance between the outer edge of the flue opening and the rear wall shall not exceed the depth of the cabinet body, so that the smoke exhaust pipe can be sealed with a capping plate after the installation of the cabinet. If there is a gas sensor left here, the gas sensor needs to be led out and placed in an appropriate position.
3： The smoke exhaust pipe enters the flue through the cabinet body.
matters needing attention:
1. The flue opening shall be arranged within the height and depth of the hanging cabinet. The specific size is better between 2000-2200 above the edge of the lower flue opening, and the distance between the outer edge of the flue opening and the rear wall shall not be greater than 250. To ensure that there is enough space for the smoke exhaust pipe to lead the smoke exhaust pipe in front of the gas meter and gas pipeline when the hanging cabinet is installed.
2. Because the upper part of the Chinese range hood usually has a cabinet and the smoke exhaust pipe has space for guiding, the European range hood is not suitable for this method. The reason is that the upper part of the European range hood usually does not have a cabinet. If this method is needed, the hanging cabinets on both sides need to be raised so that there is space for pipeline guiding between the upper part of the European range hood and the top of the hanging cabinet, and the upper part of the European range hood is designed for closed treatment, To prevent the smoke exhaust pipe from sagging and bypassing, affecting the smoke exhaust effect and visual beauty. No matter which way is adopted, the design makes the smoke exhaust pipe natural and smooth to achieve good smoke exhaust effect.
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