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Fire Pump Selection Guide

2019-04-10
The fire pump selection needs to take into account the influence of various factors. In general, the priority of these influencing factors in the fire pump selection is as follows.

(1) Impact analysis of fire pump selection operation reliability

As a fire rescue equipment for offshore oil and gas fields, the operational reliability of fire pump selection is the most critical design control factor for fire pump selection. Designers need to fully consider the geographical location around the fire pump, environmental conditions, system design of fire protection, emergency power supply, etc. These conditions have a great impact on the operational reliability of fire pump selection, and sometimes an influencing factor is possible. Reject a fire pump selection. Therefore, a good fire pump selection design should be a comparative analysis of all aspects affecting the operational reliability of the fire pump, to minimize the adverse factors affecting the reliability of the fire pump operation.
 
(2) Analysis of the influence of fire pump selection on the platform system

The design of fire pump selection should fully understand the emergency power supply system of the oil and gas field and the situation of the normal power supply system. Because the design of the fire pump not only affects the equipment selection of the emergency power supply system and the emergency machine, but also the equipment selection of the emergency power supply system and the emergency machine. There is a mutual influence and mutual restraint relationship between them. Fire pump selection should also follow the principle of system design optimization.

If the emergency load in the oil and gas field is very small, and the power load of the fire pump accounts for a large proportion of the emergency load, it directly affects the selection of the emergency machine. In this case, the vertical long-axis firefighting driven by the diesel engine should be selected as much as possible. The pump avoids the use of motor-driven fire pumps to generate an unreasonable increase in the impact on the emergency system and the load on the emergency machine. If the emergency load in the oil and gas field is large, and the power load of the fire pump accounts for a small proportion of the emergency load, but the difference in the efficiency of the pump directly affects the selection of different powers of the emergency machine, the reliability is satisfied, The submersible fire pump with high pump efficiency reduces the selection of emergency machine power and optimizes the platform system.

(3)The fire pump selection consider the configuration of seawater lift pump

In general, seawater lift pumps on offshore oil and gas fields often use vertical long-axis fire pumps and submersible fire pumps. If the above two conditions can be met, the selection of the fire pump also needs to fully consider the equipment selection of the seawater lift pump, and try to achieve the consistency with the pump type and parameters of the seawater lift pump. In this way, not only the spare condition of the fire-fighting equipment is increased, the reliability of the supply of the fire-fighting water system is increased, but also the versatility of the spare parts during the production operation of the oil and gas field is facilitated, the management and maintenance are facilitated, and the maintenance cost and the service cost are reduced.

(4) Analysis of economic impact of fire pump selection

In the design of fire pump selection, the economic analysis should not only consider the initial equipment acquisition cost of the equipment, but also the operating costs, equipment maintenance costs, personnel service costs, etc. required for the future operation and maintenance of the equipment. In this way, it is possible to objectively analyze and evaluate its economics.

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