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Air tightness and radiation protection of lead doors:Lead doors, specifically designed for blocking radiation, are crucial in terms of their airtightness and radiation shielding when it comes to design and selection. Below is a detailed explanation of the airtightness and radiation shielding of lead doors:
The airtightness of lead doors refers to their ability to prevent external air from entering or internal air from leaking out when closed. Good airtightness is crucial for maintaining a constant environment in the work area and preventing radiation leakage.
Design Features of the Airtight Door
Sealing System: Gas-tight doors commonly employ special sealing systems, such as rubber strips, to ensure a tight fit with the door frame when closed, thus achieving excellent airtightness.
Structural Design: Some airtight door designs cater to specific environment needs, such as operating rooms, featuring V-shaped tracks and curved凹槽 designs, ensuring effective sealing upon closure.
2. Actual Application of Airtight Doors
Hospital Application: In a hospital setting, particularly in areas requiring radiation shielding such as CT and DR rooms, the airtightness of the sealed doors is crucial for protecting healthcare professionals and patients from unnecessary radiation exposure.
Safety Considerations: Airtight doors also serve as a protective measure, typically made of high-density anti-theft steel wire mesh, offering shock resistance and anti-vibration properties.
Radiation shielding properties of lead doors
Radiation shielding of lead doors refers to their ability to block radiation. Lead doors are typically made of lead material due to lead's high atomic number, which effectively absorbs and scatters X-rays and other types of radiation.
1. The radiation-proof principle of lead doors
Shielding Effect: Lead doors utilize a certain thickness of lead material to set up a lead barrier between the human body and the radioactive source or scatterer, thereby reducing the dose of radiation exposure to the human body.
Ray Characteristics: The primary effect of X-rays emitted by X-ray devices on the human body comes from external radiation damage to the organism. Shielding protection can effectively reduce the dose received by personnel.
2. Selection Criteria for Lead Doors
Shielding Thickness: When selecting lead doors, the appropriate shielding thickness should be determined based on factors such as the radiation source characteristics,机房 size (relative to the distance from the radiation source to the reference point), and other considerations.

Other considerations: In addition to airtightness and radiation protection, factors such as the lifespan of the lead door, ease of maintenance, and compatibility with the surrounding environment should also be taken into account.

Single-leaf lead door, as the name implies, consists of just one door panel and is suitable for smaller entrances and exits. This lead door structure is relatively simple and is commonly used in spaces with limited space such as laboratories and small medical radiology departments. The single-leaf lead door is more flexible in opening and closing, with simple operation, and due to its single structure, the cost is relatively low.
Single-leaf lead door opening/closing method
Single-Sided Opening: This is the most common opening method for single-leaf lead doors. The door leaf is connected by hinges and can open to one side or both sides. In smaller spaces, the single-sided opening ensures adequate passage space while maintaining the simplicity of the structure and ease of operation.
Bi-parting Lead Door Introduction
Double-leaf lead doors consist of two panels with a certain distance between them, allowing for individual or simultaneous opening. These doors are suitable for larger entryways, such as in large medical radiology departments, radiation therapy rooms, and other situations requiring ample passage space or frequent access. Double-leaf lead doors offer superior protection, passage space, and safety.
The features of the double-leaf lead door include:
Safety and Reliability: Made from high-quality lead material, it boasts strong impact resistance and anti-theft features, effectively preventing unauthorized access.
Convenient Access: The two doors can be opened individually or simultaneously, making it very easy for users to enter and exit without having to wait for others.
High space utilization: Compared to traditional single-door designs, double-leaf lead doors require only half the width for entry, thereby saving interior space and better accommodating narrow passages.
High durability: Made with special technology, the surface is treated with a special process for corrosion and rust resistance, allowing it to be used for long periods in harsh environments without damage.
Double-leaf lead door opening and closing method
Double-Swing Doors: Ideal for spacious corridors, with both doors opening to the sides, leaving an open space in the middle for easier access. This design effectively accommodates the needs of large groups or heavy equipment entry and exit.


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