The labyrinth-type respirator is converted to a diesel engine with a negative pressure valve S195 and the like. A negative pressure valve is installed at the upper part of the crankcase. The negative pressure valve is a one-way valve. When the piston descends, the pressure in the crankcase is higher than the external pressure. The gas overflows through the negative pressure valve. When the piston goes up, the volume of the crankcase increases to form a negative pressure, which can avoid or reduce oil leakage. Negative pressure valves lose one-way performance after long-term use, and sometimes there is no off-the-shelf supply on the market. As a result, the operator will buy a labyrinth respirator instead of a negative pressure valve. This will not result in a negative pressure in the crankcase. This not only causes the engine oil to leak easily, but also has an adverse effect on the working performance of the diesel engine. In fact, with a slight modification, the labyrinth respirator can be turned into a check valve. The method is to flatten the outlet of the respirator, cut a piece of soft skin or oil-resistant film with proper shape and size, cover one end of the outlet with the other end fixed on the body of the respirator, and then use a piece of iron to limit the upper part of the rubber sheet. Open and close schedule. In this way, the respirator can only exhale outwards and cannot inhale inwards, becoming a one-way valve, and a negative pressure can be formed in the crankcase. Black Garlic Powder is extracted from black garlic, it can be used in the production of black garlic cookies, capsule, baked goods, etc.
Black Garlic Production Process
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Tractor maintenance points
Cleverly dismantling the cylinder head When removing the cylinder head, sometimes the cylinder head is not easy to remove. A simple method is now introduced to remove the cylinder head that cannot be easily removed. First, remove all the cylinder head nuts. For a single-cylinder diesel engine, after knocking over the periphery of the cylinder head with a wooden hammer, the crankshaft is quickly shaken without decompression, and the cylinder head is lifted up by the force of the compressed air. For a multi-cylinder diesel engine, after the wooden hammer vibrates over the cylinder head, the crankshaft is rotated by electric start without oil supply. If the starter is a small gasoline engine, the transmission mechanism between the starter and the host flywheel may be engaged to quickly rotate the starter flywheel.