time:2023-11-25 22:51:36Views:
Basic principle of lubricating oil system - oil injector:
The oil injector is composed of a nozzle, a filter screen, an expansion pipe, and an inlet pipe. In addition to supplying the inlet oil of the centrifugal main oil pump, it also supplies lubricating oil system and sealing oil system oil. The working principle of the oil injector is to use a small amount of lubricating oil as power, suck in a large amount of oil, and supply oil to the lubrication system and main oil pump at a certain pressure. The nozzle of the oil injector is connected to the outlet of the main oil pump that provides power oil. High pressure oil leaves the nozzle at a high speed and enters the expansion pipe, forming a negative pressure at the nozzle mouth. Under the action of the negative pressure, the oil in the oil tank enters the joint chamber of the injector through the filter screen, and together with the ejected injection oil, enters the expansion pipe. The kinetic energy of the oil in the expansion pipe is converted into pressure energy.
Repair of oil injector:
1. Remove the fastening bolts, remove the nozzle, oil chamber, and expansion pipe of the oil inlet pipe. 2. Clean and inspect the above components. The nozzle and diffusion pipe should be smooth, with no punctures or severe rust, and there should be no debris in the oil chamber. 3. Disassemble and measure the distance between the nozzle and the expansion tube, the diameter of the nozzle mouth, and the diameter of the diffusion tube throat, and make a record to maintain the original dimensions above. 4. After reinstallation, the bolts should be tightened reliably.
Installation and working engineering of coal powder sampler
The installation and operation of The coal powder sampler and mobile coal powder sampler of Lianyungang Lingdong Electromechanical Equipment Co., Ltd. drill holes on The flue, extend The sampling tube into The flue, and make The sampling head face The direction of The incoming smoke flow.
The purpose of fly ash sampler
The purpose and function of The fly ash sampler produced by Lianyungang Lingdong Electromechanical Equipment Co., Ltd. is that The carbon content of boiler fly ash is an important indicator reflecting The combustion rate of coal-fired boilers in Thermal power plants.
Assembly and installation of oil injectors
The oil supply and lubrication oil injectors are completely identical in structure, mainly composed of orifice nozzles, diffusion tubes, sleeves, filters, etc.
The function of an oil injector is to use a small amount of lubricating oil as power
The function of The oil injector of Lianyungang Lingdong Electromechanical Equipment Co., Ltd. is to use a small amount of lubricating oil as power, suck in a large amount of oil, and supply lubricating system and main oil pump with oil at a certain pressure.
The principle of steam jet pump and steam injector
A steam injector is a device that is powered by steam and is needed in modern engineering. It does not require electricity, has no moving or rotating parts, is simple in system, and works reliably, so it is used.
Portable constant velocity fly ash sampler for regular coal powder sampling on The air and coal powder pipeline
The portable constant velocity fly ash sampler produced by Lianyungang Lingdong Electromechanical Equipment Co., Ltd., also known as The fly ash constant velocity sampler or The swirling fly ash constant velocity sampler,
Working status of oil injector and main oil pump
The working status of The oil injector and main oil pump, The analysis of The reasons for The drop in The inlet oil pressure test of The main oil pump of a 200MW steam turbine, and The composition of The oil supply system of The 200MW steam turbine generally adopt a centrifugal main oil pump oil supply system with dual injectors.
Various forms of coal powder samplers
The use of carbon steel material in coal powder samplers has caused many problems, and some manufacturers still encounter These problems when using coal powder samplers. So it is recommended to use stainless steel material at least ---.
Structural form of coal powder sampler
The structure and working principle of The fixed coal powder sampler produced by Lianyungang Lingdong Electromechanical Equipment Co., Ltd. are mainly used for regular coal powder sampling on The secondary air coal powder pipe in The positive pressure direct blowing coal powder system.
Working principle of automatic steam liquid two-phase flow trap
The automatic steam liquid two-phase flow steam trap, also known as The gas-liquid two-phase flow control valve, is suitable for The water level self operated intelligent control of pressure vessels such as high and low pressure heaters, continuous discharge expansion vessels, raw water heaters, and heating network heaters in The power industry.
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