良工閥門是流體管道的控制裝置。其基本功能是接通或切斷管道中介質的流動，改變介質的流向，調節(jié)介質的壓力和流量，并設置系統(tǒng)中的各種閥門，是實現(xiàn)管道輸送的重要保證。管網(wǎng)和設備正常運行。那么，在生活中，我們應該如何操作和維護良工閥門呢?

　　Lianggong valve is a control device for fluid pipelines. Its basic function is to connect or cut off the flow of the medium in the pipeline, change the direction of the medium, regulate the pressure and flow of the medium, and set various valves in the system, which is an important guarantee for achieving pipeline transportation. The pipeline network and equipment are operating normally. So, how should we operate and maintain good valves in daily life?

　　閥門在運行過程中的保養(yǎng)原則如下：

　　The maintenance principles for valves during operation are as follows:

　　保持良工閥門外部和運動部件的清潔，保護閥門油漆的完整性。閥門表面、閥桿和閥桿螺母上的梯形螺紋、閥桿螺母與支架、齒輪、蝸輪等部件之間的滑動部位容易沉積大量灰塵、油、介質 殘留物和其他污垢，導致閥門磨損和腐蝕。 因此，始終保持閥門清潔。一般刷閥門上的灰塵，用壓縮空氣吹，甚用銅絲刷，直到加工面和配合面呈現(xiàn)金屬光澤，噴漆面呈現(xiàn)油漆的原色。捕集器應由人員每班檢查一次; 定期打開沖洗閥和疏水閥底塞沖洗，或定期拆開沖洗，防止臟物堵塞閥門。

　　Keep the exterior and moving parts of the valve clean and protect the integrity of the valve paint. The trapezoidal threads on the valve surface, valve stem, and valve stem nut, as well as the sliding parts between the valve stem nut and brackets, gears, worm gears, and other components, are prone to accumulate a large amount of dust, oil, medium residue, and other dirt, leading to valve wear and corrosion. Therefore, always keep the valve clean. Generally, brush the dust on the valve with compressed air, or even use a copper wire brush, until the machined and mating surfaces present a metallic luster, and the painted surface presents the original color of the paint. The trap should be inspected by personnel once per shift; Regularly open the flushing valve and drain valve bottom plug for flushing, or regularly disassemble and flush to prevent dirt from blocking the valve.

　　為保持良工閥門的潤滑，閥門的梯形螺紋、閥桿螺母與支架的滑動部位、軸承位置、齒輪與蝸輪的嚙合部位等配合部位都需要良好的潤滑 減少相互摩擦的條件，避免失相，對于運行中容易損壞或丟失的零件，如無油杯、注油嘴等，應設置潤滑系統(tǒng)，并驗證油路的情況。

　　To maintain the lubrication of well functioning valves, the trapezoidal threads of the valve, the sliding parts of the valve stem nut and bracket, the bearing position, and the meshing parts of the gear and worm gear all require good lubrication to reduce mutual friction and avoid phase loss. For parts that are easily damaged or lost during operation, such as oil cups, oil nozzles, etc., a lubrication system should be installed and the condition of the oil circuit should be verified.

　　潤滑部位應根據(jù)具體情況定期加油。高溫頻繁開啟的良工閥門，適合每周每月加油一次; 不經常打開且溫度較低的閥門可能具有更長的加油周期。 潤滑劑包括機油、黃油、二硫化鉬和石墨。油對高溫閥門不利; 黃油也不是，它們因高溫熔化而丟失。該閥適用于高溫添加二硫化鉬和石墨粉。外露的潤滑部位，如梯形螺紋和齒，如果使用黃油等潤滑脂，容易沾染灰塵，而二硫化鉬和石墨粉則不易沾染灰塵，潤滑效果優(yōu)于黃油。 石墨粉不易直接涂裝，可加少許油或水調成糊狀備用。

　　Lubricating parts should be regularly oiled according to specific conditions. A well functioning valve that frequently opens in high temperatures, suitable for refueling once a week to once a month; Valves that are not frequently opened and have lower temperatures may have longer refueling cycles. Lubricants include engine oil, butter, molybdenum disulfide, and graphite. Oil is detrimental to high-temperature valves; Butter is not either, they are lost due to high temperature melting. This valve is suitable for high-temperature addition of molybdenum disulfide and graphite powder. Exposed lubrication parts, such as trapezoidal threads and teeth, are prone to dust if grease such as butter is used, while molybdenum disulfide and graphite powder are less prone to dust and have better lubrication effects than butter. Graphite powder is not easy to apply directly, it can be mixed with a little oil or water to form a paste for later use.

　　密封旋塞閥應在規(guī)定時間上油，否則容易磨損和泄漏。

　　Sealed plug valves should be oiled within the specified time, otherwise they are prone to wear and leakage.

　　保持兩件完好無損。法蘭和支架的螺栓應充分擰緊，不得松動，如果手輪上的緊固螺母松動，應及時擰緊，以免接頭磨損或手輪丟失。 手輪丟失后，不允許用疏水閥更換手輪，應及時更換，填料壓差不允許偏轉或沒有預緊間隙。在容易被雨、雪、灰塵和其他污染物污染的環(huán)境中。閥桿應裝有防護罩，閥門上的刻度應保持完好。閥門密封件、閥蓋和氣動附件應完好無損。 絕緣護套應無凹痕和裂縫。

　　Keep both items intact and undamaged. The bolts of the flange and bracket should be fully tightened and not loose. If the fastening nut on the handwheel is loose, it should be tightened in a timely manner to avoid joint wear or handwheel loss. After the handwheel is lost, it is not allowed to replace it with a drain valve. It should be replaced in a timely manner. The packing pressure difference should not deviate or there should be no pre tightening gap. In environments that are easily polluted by rain, snow, dust, and other pollutants. The valve stem should be equipped with a protective cover, and the scale on the valve should be kept intact. Valve seals, valve covers, and pneumatic accessories should be intact and undamaged. The insulation sheath should be free of dents and cracks.

　　此外，嚴禁敲擊、支撐重物或站在良工閥門上，以免污染或損壞閥門。 禁止使用非金屬網(wǎng)門和鑄鐵閥門。

　　In addition, it is strictly prohibited to strike, support heavy objects, or stand on good work valves to avoid contaminating or damaging the valves. Non metallic mesh doors and cast iron valves are prohibited from use.

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