| Usage: | Irrigation, Drainage and Irrigation |
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| Type: | Pump |
| Power Source: | Diesel |
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| The working principle of the centrifugal pump is that when the pump is full of water, the engine drives the impeller to rotate, thus producing centrifugal force, the water in the impeller channel under the action of centrifugal force is thrown into the pump shell, so the central pressure of the impeller is reduced, the pressure is lower than the pressure in the inlet pipe, and the water is under the action of the pressure difference by the suction pool into the impeller. So the pump can keep drawing water and keep supplying water. Main uses: agricultural drainage and irrigation, industrial drainage, engineering sewage, flood prevention and emergency, flood drainage and drought resistance, management of spare disaster relief materials, etc. General system composition of small gasoline engine: (1) Crankshaft connecting rod system: including piston, connecting rod, crankshaft, needle roller bearing, oil seal, etc. (2) Body system: including cylinder head, cylinder block, crankcase, protective cover, etc. (3) Fuel system: including fuel tank, switch, filter, sedimentation cup and carburetor, etc. (4) Cooling system: including cooling fan, hood, etc. Some knapsack spray dusters open a cooling opening on the volute behind the big fan, and the cooling air is drawn out by the exhaust hood, so that a separate cooling impeller is no longer needed. (5) Lubrication system: The two-stroke gasoline engine uses a mixture of gasoline and lubricating oil to lubrize and supply the oil system. The four-stroke gasoline engine lubrication is separate from the oil supply, and the crankcase is equipped with a lubricating oil gauge. (6) Gas distribution system: The four-stroke gasoline engine is composed of inlet and exhaust valves, rocker arm, push rod, tappet and camshaft. The two-stroke gasoline engine has no intake and exhaust valves, but an air inlet, an air outlet and an air exchange port are opened on the cylinder body, and the piston is moved up and down to open or close the pores. (7) Starting system: there are two structures, one is composed of a starting rope and a simple starting wheel; The other is a return starting structure, with spring binding teeth and protective cover. (8) Ignition system: including magneto, high voltage wire, spark plug, etc. There are two kinds of magneto: contact type with jump-frame structure and contactless electronic ignition circuit. |
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