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How to deal with oil fume and exhaust gas in the frying workshop? Design ventilation and smoke exhaust system
How to deal with oil fume and exhaust gas in the frying workshop? Design ventilation and smoke exhaust system
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How to deal with oil fume and exhaust gas in the frying workshop? Design ventilation and smoke exhaust system
Keywords: oil fume treatment, exhaust gas treatment, deep frying workshop exhaust, deep frying workshop smoke exhaust, workshop ventilation equipment,
The cooling and ventilation project for this workshop is for the frying production workshop. The area is approximately 310 square meters, and cooling and ventilation design and construction will be carried out. Require the workshop to cool down the working area to below 30 ℃ when the outdoor temperature is 33 ℃ in summer, and ensure that the fog reaches above the employees' line of sight in winter.
Solution for exhaust equipment in frying workshop:
(1) Increase the ventilation rate in the workshop (i.e. increase the wind speed).
(2) Reduce the inlet air temperature.
Note:
A、 The workshop area provided by your company is relatively large, with high temperatures in summer and heavy fog in winter. Therefore, the design requires both intake and exhaust to be designed simultaneously, with both intake and exhaust.
A、 The workshop area provided by your company is relatively large, with high temperatures in summer and heavy fog in winter. Therefore, the design requires both intake and exhaust to be designed simultaneously, with both intake and exhaust.
B、 The load-bearing capacity of the workshop building meets the requirements for equipment installation.
C、 Duration issue. The construction period is controlled within 13 days.
D、 After sales issues. If there is a problem, please arrive within 24 hours and handle it within 48 hours.
Design of ventilation and smoke exhaust equipment for frying workshop:
Design of ventilation and smoke exhaust equipment for frying workshop:
Exhaust fan unit: adopting 1380 typeaxial flow fanHigh air volume of 15600m ³/H. The high input power is 1.1 kilowatts, with one main exhaust fan for each line of equal area and one auxiliary exhaust fan for every two lines.
Design area ventilation rate: Approximately 30 times per hour in the frying workshop.
Control method: The equipment power distribution system is the responsibility of the supplier and is centrally controlled by zones. Stainless steel waterproof distribution box.
Control method: The equipment power distribution system is the responsibility of the supplier and is centrally controlled by zones. Stainless steel waterproof distribution box.
The ventilation principle of the exhaust equipment in the frying workshop:
Evaporative air conditioners are suitable for open and semi open environments, and can directly deliver natural air and cool air after cooling. Fresh outdoor air is continuously transported into the room after being filtered and cooled by a water curtain paper air conditioner, removing odors, dust, and stuffy air from the room. It also has multiple effects such as ventilation, cooling, and increasing oxygen content in the air, making it particularly suitable.
Design points for exhaust and smoke supply ducts in frying workshops:
1. The overall design of the air duct requires both economy and low air resistance and noise, while maximizing the air supply volume.
2. The design specifications of the air supply duct should ensure that the wind speed of the main air duct is less than 12m/s, the wind speed of the branch air duct is less than 8m/s, and the wind speed of the end air duct is less than 6m/s;
3. The ventilation cross-sectional area of the elbow and the first section of the air supply duct connected to the whole machine cannot be smaller than the cross-sectional area of the air outlet of the whole machine (0.45m2), that is, the cross-sectional size of the first section of the air supply duct is 900X500; And 3 to 4 air vents should be opened.
4. The designed air ducts should be as straight as possible, avoiding unnecessary bends and branch pipes to reduce local resistance in the pipeline;
5. Long pipelines are designed into multiple sections of different specifications of air ducts according to the air volume, using variable diameter connections. The design of variable diameter pipes should not be too many, generally not exceeding four sections in total.
6. If there is a branch duct in the design, a guide plate must be installed on the branch duct to adjust the air volume, so that the branch duct air volume reaches the design value.
7. Installation position of air outlet: The air outlet is installed in the actual place where cooling is needed. The specifications of the air outlet can be determined according to the air volume and air velocity. The form of the air outlet can be adopted in various forms according to the actual situation, and used in combination to achieve the best effect. Generally, the number of air outlets is controlled at 15-20. If an aluminum alloy air outlet is used, a guide plate must be installed, otherwise the air inside the duct cannot be guided out, affecting the air supply effect. By adjusting the opening angle of the guide plate, the air output of the air outlet can be adjusted. The larger the opening angle, the greater the air output of the air outlet.
Design points of air supply duct:
1. The overall design of the air duct requires both economy and low air resistance and noise, while maximizing the air supply volume.
2. The design specifications of the air supply duct should ensure that the wind speed of the main air duct is less than 12m/s, the wind speed of the branch air duct is less than 8m/s, and the wind speed of the end air duct is less than 6m/s;
3. The ventilation cross-sectional area of the elbow and the first section of the air supply duct connected to the whole machine cannot be smaller than the cross-sectional area of the air outlet of the whole machine (0.45m2), that is, the cross-sectional size of the first section of the air supply duct is 900X500; And 3 to 4 air vents should be opened.
4. The designed air ducts should be as straight as possible, avoiding unnecessary bends and branch pipes to reduce local resistance in the pipeline;
5. Long pipelines are designed into multiple sections of different specifications of air ducts according to the air volume, using variable diameter connections. The design of variable diameter pipes should not be too many, generally not exceeding four sections in total.
6. If there is a branch duct in the design, a guide plate must be installed on the branch duct to adjust the air volume, so that the branch duct air volume reaches the design value.
7. Installation position of air outlet: The air outlet is installed in the actual place where cooling is needed. The specifications of the air outlet can be determined according to the air volume and air velocity. The form of the air outlet can be adopted in various forms according to the actual situation, and used in combination to achieve the best effect. Generally, the number of air outlets is controlled at 15-20. If an aluminum alloy air outlet is used, a guide plate must be installed, otherwise the air inside the duct cannot be guided out, affecting the air supply effect. By adjusting the opening angle of the guide plate, the air output of the air outlet can be adjusted. The larger the opening angle, the greater the air output of the air outlet.
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