How to send periodic tasks to specific queue in Celery

Periodic tasks are sent to queues by celery beat where you can do everything you do with the Celery API. Here is the list of configurations that comes with celery beat:

https://celery.readthedocs.org/en/latest/userguide/periodic-tasks.html#available-fields

In your case:

CELERYBEAT_SCHEDULE = {
   'installer_recalc_hour': {
        'task': 'stats.installer.tasks.recalc_last_hour',
        'schedule': 15,  # every 15 sec for test
        'options': {'queue' : 'celery_periodic'},  # options are mapped to apply_async options
    },
}