Modularized double-membrane oilfield produced water anti-scaling equipment

The equipment comprises a bottom plate, a moving assembly is arranged below the bottom plate, a raw water pump and a main box body are fixedly arranged on the bottom plate, an access hole is formed in the front face of the main box body, and a baffle is fixedly arranged on the outer wall of the access hole through bolts; a filter, an ultrafiltration membrane group, a middle water tank, a security filter, a high-pressure pump and a roll type nanofiltration membrane group are sequentially arranged in the main box body from left to right, and a chemical cleaning system and an ultrafiltration backwashing system are mounted in the ultrafiltration membrane group. The equipment has the beneficial effects that the equipment adopts an integrated and skid-mounted structure, is compact in structure and convenient to transport, and can be easily transferred; the advanced roll-type nanofiltration membrane group with high recovery rate and low energy consumption is adopted by the equipment, and meanwhile, the roll-type nan