Fertilizer application system using pneumatic conveying with large diameter lines and rotary distributor

An agricultural product delivery system, comprising:

• at least one particulate material supply compartment;
• a number of delivery units for applying particulate material from the at least one particulate material supply compartment;
• and
• a pneumatic conveying system pro viding a mixed flow of particulate material from the at least one particulate material supply compartment to the number of particle delivery units, the pneumatic conveying system including:
• an airflow source;
• a number of supply lines each operably connected to the airflow source at one end, to the at least one particulate material supply compartment and to at least one of the number of particle delivery units at an opposite end;
• at least one airtight metering device connected between the at least one particulate material supply compartment and the number of supply lines;
• a first airflow source connected to a first portion of the number of supply lines;
• and
• a second airflow source connected to a second portion of the number of supply lines;
• a first plenum connected between the first airflow source and the first portion of the number of supply lines;
• and
• a second plenum disposed between the second airflow source and the second portion of the number of supply lines;
• wherein the at least one airtight metering device includes a rotary airlock.

An agricultural product delivery system, comprising:

• at least one particulate material supply compartment;
• a number of delivery units for applying particulate material from the at least one supply compartment;
• a pneumatic conveying system providing a mixed flow of particulate material from the at least one particulate material supply compartment to the number of particle delivery units, the pneumatic conveying system including:
• an airflow source;
• a number of supply lines each operably connected to the airflow source at one end, to the at least one particulate material supply compartment and to at least one of the number of particle deli very units at an opposite end;
• at least one airtight metering device connected between the at least one particulate material supply compartment and the number of supply lines;
• and
• a number of secondary supply lines interconnected between each supply line of the number of supply lines and the number of delivery units.

An agricultural product delivery system, comprising:

• a number of particulate material supply compartments;
• a number of delivery units for applying particulate material from the number of particulate material supply compartments;
• a pneumatic conveying system providing a mixed flow of particulate material from each of the number of particulate material supply compartments to the number of delivery units, the conveying system comprising:
• a number of airflow sources;
• a number of supply lines each operably connected to at least one of the number of airflow sources at one end, and to at least one of the number of delivery units at an opposite end;
• and
• a number of airtight product metering devices, each of the number of airtight product metering devices operably connected between each of the number of supply lines and each of the number of particulate material supply compartment.

A method of delivering a number of agricultural products from a number of compartments housing the number of products to a number of particle delivering units applying the particles in an agricultural field, comprising the steps of:

• supplying the number of agricultural products from the number of compartments to a pneumatic conveying system, the pneumatic conveying system including:
• an airflow source;
• a number of supply lines each operably connected to the airflow source at one end, to at least one of the number of supply compartments and to at least one of the number of particle delivery units at an opposite end;
• at least one airtight metering device connected between the at least one of the number of compartments and the number of supply lines;
• metering the number of agricultural products into the pneumatic conveying system;
• mixing the number of agricultural products in the pneumatic conveying system to form a mixed product;
• conveying the mixed product to the number of particle delivery units;
• and
• applying the mixed product in the agricultural field.

A method of delivering a number of agricultural products from a number of compartments housing the number of agricultural products to a number of particle delivering units applying the particles in an agricultural field, comprising the steps of:

• supplying the number of agricultural products from the number of compartments to a pneumatic conveying system, the pneumatic conveying system including:
• a number of airflow sources;
• a number of supply lines each operably connected to at least one of the number of airflow sources at one end, and to at least one of the number of particle delivery units at an opposite end;
• and
• a number of airtight product metering devices, each of the number of airtight product metering devices operably connected between each of the number of supply lines and each of the number of compartments;
• metering the number of agricultural products into the pneumatic conveying system;
• mixing the number of agricultural products in the pneumatic conveying system to form a mixed product;
• conveying the mixed product to the number of particle delivering units;
• and
• applying the mixed product in the agricultural field.