That's an excellent and very practical question for urban dwellers and city planners alike. The short answer is yes, specialized fire-safe ashtray attachments for standard public trash bins do exist and are becoming more common in many cities.
These attachments are typically made from durable, non-combustible materials like galvanized steel or aluminum. They are designed as a cup or receptacle that mounts directly onto the pole or side of a standard litter bin. The key feature is their enclosed or partially enclosed design, which limits oxygen flow to discarded cigarettes, causing them to extinguish quickly. This significantly reduces the risk of a bin fire, which is a serious hazard, especially during dry seasons.
Beyond fire safety, these units serve a dual purpose. They provide a designated place for smokers to dispose of their cigarette butts, cutting down on litter on sidewalks and streets. This helps keep cities cleaner and prevents toxic materials from washing into storm drains.
You can often find these attachments in areas with high foot traffic, like outside office buildings, near public transit stops, in parks, and in designated smoking areas. If you're looking to purchase one for a private or communal bin, searching for terms like "public litter bin ashtray attachment" or "fire-safe cigarette receptacle" from safety or street furniture suppliers will yield results.
While not every standard bin has one, their implementation is a smart step towards urban safety and cleanliness. If your local bins don't have them, it might be a worthwhile suggestion for your community or property manager to consider.