First, the pump arrangement (1) open-air layout The pump is generally arranged in the gallery below or on the side, can also be arranged near the suction device, the main advantage of good ventilation, easy operation and maintenance. If the pump is arranged below the pipe gallery, the centerline of the pump outlet should be aligned and 0.6 m from the center of the pipe gallery column. (2) semi-open-air layout semi-open-air pump layout is suitable for rainy areas, the pump is usually arranged in the bottom of the pipe, the roof of the upper part of the pipeline. Or the pump is arranged on the lower ground of the frame, with the frame platform as the ceiling. According to pump layout requirements, the pump arranged in a single row, double row or multiple rows. (3) Interior layout The indoor layout of the pump is suitable for cold or sandy areas, as well as the process has special requirements of the occasion. Second, the pump layout requirements (1) For the open-air or semi-outdoor layout of the pump, the pump and the prime mover generally axis and the vertical axis of the pipe gallery. (2) Pumps for indoor arrangements shall be arranged in separate rooms with other pumps and separated by a firewall, when the temperature of the liquid being transported is higher than the self-ignition point or when the liquid being transported is liquefied. Pump arranged in the room, generally do not consider the requirements of motor vehicle maintenance access. The clear distance between the pump side or pump side and the wall should not be less than 1.2 ~ 1.5m. The clearance between two rows of pumps should not be less than 2m. Steam reciprocating pump power and pump side should be left with the piston and the pull rod position. When the vertical pump is arranged under the pipe gallery or under the frame, the space required for installation and maintenance of the pump body should be reserved above it. Pipe layout, the pump on both sides of at least aside for maintenance purposes. Third, the pump installation spacing The clearance between the two pumps should not be less than 700mm, the pump front-end operating channel should not be less than 1000mm, for multi-stage pump, pump front access channel width should not be less than 1800mm. General pump front access channel width should not be less than 1250mm, in order to pass a small forklift.