Specific safety distances are as follows
Flue from the refractory or non-combustible roof or wall clearance should not be less than 0.05m; from the flammable roof or wall clearance should not be less than 0.25m; stove and the net distance between the cylinder should not be less than 0.5m; between the stove and the cylinder should be used between a single bottle and a single stove connection. Cylinders and stoves connected to the length of the hose should be controlled between 1.2 --- 2.0m, and there should be no interface.
Catering industry using liquefied petroleum gas tank cylinder storage requirements
1, the use and spare cylinders should be placed separately or separated by firewalls.
2, the use and spare liquefied petroleum gas total weight of more than 100 kilograms, should be required to set up a special cylinder room, the cylinder room should be set against the exterior wall of the building; the total weight of less than 420 kilograms, the cylinder room can be set up in a single-story dedicated room adjacent to the building with the gas;
Total weight greater than 420 kilograms, the gas cylinder room should be set up in a separate building room with other civil buildings not less than 12 meters away. Less than 12 meters from other civil buildings in a separate building room, the distance from other buildings and bottle storage of liquefied petroleum gas storage total weight of more than 1350 kg, in accordance with the corresponding national standards and norms.
3, the normal service life of the cylinder pressure reducer for 5 years, the normal service life of the seal is 3 years, but usually should be checked frequently, found abnormalities should be replaced immediately and make a record.
4, high-rise civil buildings, shall not use liquefied petroleum gas cylinders, the use of liquefied petroleum gas should be used in the pipeline gas supply, the use of liquefied petroleum gas rooms or parts should be set against the outside wall.
5, the location of the special bottle storage should be close to the location of use, and choose the terrain is flat, not easy to accumulate liquefied petroleum gas place.
6, special bottle storage shall not be located in the heating ditch, check holes and any underground structures above. Bottle storage shall not have a floor drain, and the ground should be level, and higher than the outdoor level.
7, bottle storage should be well ventilated, should be installed in the door or wall of the lower part of the shutters, vents and outdoor atmospheric connection, the lower edge of the vents from the indoor level of 0.2m or less, doors and windows to the outside, but shall not be open to the operating room and other rooms.
8, the height of the special gas room is not less than 2.2m, should be set up fixed combustible gas concentration alarm device, mandatory ventilation facilities, and will be the concentration of the alarm device and ventilation facilities interlocked, explosion-proof electrical equipment should be used, and the switch should be set in the outdoor area around the no-fire zone, set up a clear warning signs, and equipped with the appropriate number of dry-powder fire extinguishers.
9, bottle gas supply system should be set on the total gas pipeline emergency shut-off valve.
10, pipeline through the building foundation wall, should be laid in the casing.
11, piping system should be done between each pair of flanges electrostatic span.
Requirements for the use of gas appliances in the catering industry
1, gas cooker should be selected "Cosmos gas burning appliances sales directory" published products, regulators should have a production license, the evaporator should have the appropriate level of pressure vessel manufacturing license by the manufacturer of the products produced by the product, and the product should be approved by the quality inspection departments of special equipment inspection and testing agencies to monitor the inspection, cooker installation and maintenance should be carried out by a gas burning appliances manufacturers to obtain a license. And maintenance should be obtained by the gas burning appliances installation and maintenance of qualified enterprises responsible for professional staff.
2, the installation of gas stoves in the operating room of the net height of the house shall not be less than 2.2m, and should have good ventilation.
3, stove and combustible or combustible walls should be taken between effective fire insulation measures.
4, between the stove and the stove and the opposite wall between the net distance should meet the requirements of operation and maintenance.
5, big pot stove and Chinese stir-fry stove should be smoke facilities, big pot stove and flue chamber must be set at the blast door.
6, the stove smoke facilities shall not be used with the use of solid fuel equipment *** with a set of smoke facilities; each gas equipment should be used individually flue; when more than one piece of equipment to share a total flue, should ensure that the exhaust smoke does not affect each other.
7, the flue from the refractory or non-combustible ceiling or wall clearance should not be less than 0.05m; from the flammable ceiling or wall clearance should not be less than 0.25m.
8, the stove and the net distance between the cylinders should not be less than 0.5m.
9, the stove and the cylinders should be connected to the cylinder using a single bottle single stove. Cylinders and stoves connected to the length of the hose should be controlled between 1.2 --- 2.0m, and there should be no interface.
10, the hose should be oil-resistant rubber hose. Hose and gas piping, connectors, stove connections should be used to tighten the nut (lock nut) or tube card fixed. Hose shall not be through walls, windows, doors. Rubber hose should be replaced every 2 years, such as aging, corrosion and other problems should be replaced immediately.
11, the operating room should be equipped with lightweight dry powder fire extinguishers, fire blankets and other firefighting equipment.
12, the use of bottle group gas supply or single cylinder supply multiple stoves, should be connected by hard pipe, and gas equipment fixed.
Extended information:
Prohibition of behavioral requirements
(a) shall not supply gas to companies that have not obtained a Gas Business License" qualification to purchase bottled liquefied petroleum gas.
(2) shall not use unqualified or scrapped cylinders, must use the quality inspection department of the regular inspection of the cylinder.
(C) shall not be the cylinder of gas to other cylinders to refill or directly from the tanker to fill the cylinder.
(d) The residual liquid in the cylinder shall not be disposed of by itself. The residual liquid shall be handed over to the enterprise that has obtained the qualification of "Gas Operation License" to be responsible for the disposal.
(v) Cylinders shall not be placed or used upside down.
(F) is prohibited to dismantle, install the cylinder angle valve, is strictly prohibited to change the color of the gas cylinder and inspection mark.
(vii) bottle storage shall not be stacked flammable and explosive substances, shall not be used as a residence.
(viii) is strictly prohibited the use of open flames, steam, hot water and other heat sources on the liquefied petroleum gas cylinder heating, wrestling gas cylinders, is strictly prohibited the use of open flames to check for leaks.
(ix) is strictly prohibited in the public **** entertainment venues and underground, semi-underground space in the use of liquefied petroleum gas.
(J) is strictly prohibited in the liquefied petroleum gas mixed with dimethyl ether.
The People's Government of Datong City - Safety Requirements for the Use of LPG in Catering Services in Datong City