What types of rigid fast doors are commonly used in the food industry?

Commonly used rigid fast door types and applications in the food industry

I. Introduction
In the food industry, rigid fast doors are one of the key equipment to ensure a clean, efficient and energy-saving production environment. These doors not only need to open and close quickly to improve logistics efficiency, but also need to have good sealing performance to maintain the temperature and humidity conditions in the workshop and prevent external pollution. This article will introduce in detail several types of rigid fast doors commonly used in the food industry, including their performance characteristics, applicable scenarios and actual application cases.

II. Types and performance characteristics of rigid fast doors
(I) Standard rigid fast doors
Performance characteristics:
Fast opening and closing: The opening speed of standard rigid fast doors can reach more than 2 meters per second, which can effectively reduce the door opening time and isolate the external environment.
Good sealing: High-performance sealing materials are used around the door body to ensure seamless closing and prevent hot and cold air exchange.
Sturdy and durable: Made of high-strength aluminum alloy, extruded in one time, with good wind and impact resistance.
Intelligent control: Supports multiple intelligent control methods such as geomagnetic induction, radar detection, photoelectric induction, etc., to achieve automatic opening and closing when the vehicle approaches.
Applicable scenarios:
Applicable to food processing workshops, logistics channels and other areas that require fast passage and have certain requirements for sealing.
(II) Cold storage insulation fast door
Performance characteristics:
Excellent insulation performance: The door curtain adopts a double-layer or three-layer sandwich design, with insulation rock wool material filled in the middle, with a total thickness of up to 20-60 mm, effectively isolating heat conduction.
Anti-freeze design: Equipped with anti-freeze heating device to prevent low temperature from causing the door curtain to freeze, ensuring normal operation even in extremely low temperatures.
Fast opening and closing: The opening speed can reach more than 2 meters per second, reducing air exchange inside and outside the cold storage and reducing energy consumption.
Applicable scenarios:
Widely used in low-temperature areas such as food cold storage, freezer, and fresh-keeping storage to ensure stable temperature in the cold storage.
(III) Zipper-type hard fast door
Performance characteristics:
Unique zipper design: The zipper design closely connects the door curtain to the guide rails on both sides, and the bottom uses soft rubber as a counterweight. Even if it is hit by a forklift or other objects, it will not deform and can be automatically repaired.
High sealing: The zipper structure ensures a tight fit between the door curtain and the guide rail, effectively preventing dust and odor from entering.
Fast opening and closing: The opening speed can reach more than 2 meters per second, which is suitable for passages with high frequency of use.
Applicable scenarios:
Applicable to food processing workshops, clean rooms, dust-free workshops and other areas with high requirements for indoor environment.
(IV) Wind-resistant strap-type hard fast door
Performance characteristics:
Strong wind resistance: The PVC curtain is connected in series by multiple high-strength aluminum alloy rods, which has good wind support performance and is suitable for areas with large door openings and high wind pressure.
Fast opening and closing: The door can be opened and closed quickly through a special belt structure to reduce waiting time.
Good sealing: Equipped with high-performance sealing materials to ensure that there is no gap when the door is closed.
Applicable scenarios:
Applicable to large logistics channels in food factories, warehouse entrances and exits and other areas with high wind pressure.
(V) Aluminum alloy hard fast door
Performance characteristics:
High-strength aluminum alloy material: The door body is made of high-strength aluminum alloy material, extruded in one time, with beautiful appearance and durability.
Good thermal insulation performance: The door body is 40 or 50 mm thick and has good thermal insulation, heat insulation and sound insulation performance.
Fast opening and closing: The opening speed can reach more than 2 meters per second, which improves logistics efficiency.
Safe and reliable: Equipped with a variety of safety protection devices, such as infrared sensors, airbags, etc., to ensure the safety of personnel and items.

Applicable scenarios:
Widely used in food factories, pharmaceutical manufacturers, electronics factories and other areas with high requirements for speed, anti-theft, insulation and wind resistance.
3. Actual application cases
(I) Food processing workshop
A food processing company uses standard hard fast doors and installs them on the logistics channel of the workshop. The fast opening and closing ability of this door significantly improves logistics efficiency and reduces production interruption time. At the same time, its good sealing performance effectively isolates external dust and odors, ensuring the cleanliness of the food processing environment.
(II) Cold storage
A cold chain logistics company installed a cold storage insulation fast door for the import and export of its freezer and fresh storage. The excellent thermal insulation performance of this door effectively reduces the heat exchange inside and outside the cold storage, reduces the load of the refrigeration system, and saves energy. The antifreeze heating device ensures that the door can operate normally even at extremely low temperatures.
(III) Clean room
A pharmaceutical manufacturing company installed a zipper-type hard fast door in its clean room. The high sealing and fast opening and closing capabilities of this door ensure a stable environment in the clean room and effectively prevent the entry of external pollutants.