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天然氣發(fā)電機(jī)組供給系統(tǒng)出現(xiàn)問題怎么解決?

來(lái)源:http://inyanfang.cn/ 文章作者:濟(jì)柴環(huán)能 發(fā)布時(shí)間:2024-09-24

天然氣發(fā)電機(jī)作為天然氣長(zhǎng)輸管道輸氣場(chǎng)站中重要的生產(chǎn)后備電源,在市電失效時(shí),其供電的安全可靠直接關(guān)系到天然氣輸氣場(chǎng)站的正常生產(chǎn)。但在實(shí)際使用時(shí),仍舊會(huì)出現(xiàn)一些問題,導(dǎo)致天然氣發(fā)電機(jī)組不能正常工作。今天小編就供給系統(tǒng)故障,給大家做一些分析。如下:

As an important production backup power source in natural gas long-distance pipeline gas transmission stations, the safety and reliability of natural gas generators' power supply are directly related to the normal production of natural gas transmission stations in the event of power failure. However, in practical use, there may still be some problems that prevent natural gas generators from working properly. Today, the editor will provide some analysis on system failures for everyone. As follows:

天然氣供給系統(tǒng)功用是:經(jīng)分離、過濾后的天然氣通過電磁閥進(jìn)入壓力調(diào)節(jié)閥,根據(jù)天然氣組分,調(diào)節(jié)到合適壓力,供入天然氣發(fā)動(dòng)機(jī)。主要由電磁閥、壓力調(diào)節(jié)閥、天然氣進(jìn)氣管和球閥、電動(dòng)調(diào)節(jié)閥等相關(guān)部件組成。發(fā)動(dòng)機(jī)啟動(dòng)故障時(shí),主要檢查:

The function of the natural gas supply system is that the separated and filtered natural gas enters the pressure regulating valve through an electromagnetic valve, and is adjusted to the appropriate pressure according to the composition of the natural gas before being supplied to the natural gas engine. It mainly consists of solenoid valves, pressure regulating valves, natural gas intake pipes and ball valves, electric regulating valves and other related components. When the engine fails to start, the main checks are:

QQ截圖20171025151947

電磁閥:電磁閥線圈內(nèi)阻為35Ω,使用萬(wàn)用表測(cè)量,如測(cè)量阻值過大或過小,則判斷電磁閥線圈損壞,需進(jìn)行更換。另外電磁閥還通過壓力繼電器與潤(rùn)滑油壓低、超速停車裝置相聯(lián)動(dòng),當(dāng)超速或潤(rùn)滑油壓過低時(shí),能自動(dòng)關(guān)閉電磁閥,實(shí)現(xiàn)發(fā)電機(jī)組的安全互鎖。因此判斷電磁閥是否正常,除檢查本身外,還需對(duì)相關(guān)安全聯(lián)鎖裝置進(jìn)行檢查。

Electromagnetic valve: The internal resistance of the electromagnetic valve coil is 35 Ω. Use a multimeter to measure it. If the resistance value is too high or too low, it is judged that the electromagnetic valve coil is damaged and needs to be replaced. In addition, the solenoid valve is also linked to the low lubricating oil pressure and overspeed shutdown device through a pressure relay. When overspeed or low lubricating oil pressure occurs, the solenoid valve can be automatically closed to achieve safety interlock of the generator set. Therefore, to determine whether the solenoid valve is normal, in addition to checking itself, it is also necessary to inspect the relevant safety interlock devices.

調(diào)節(jié)閥壓力:天然氣發(fā)電機(jī)進(jìn)氣工作壓力為7~9kPa。壓力過高或過低都將會(huì)導(dǎo)致發(fā)動(dòng)機(jī)啟動(dòng)故障,因此主要檢查壓力調(diào)節(jié)閥出口壓力,檢查方法:先慢慢關(guān)上出口閥門,檢查出口閥至調(diào)壓閥間的壓力,如壓力穩(wěn)定,說(shuō)明壓力調(diào)節(jié)閥正常。如壓力持續(xù)升高,則需對(duì)調(diào)節(jié)閥內(nèi)部膜片進(jìn)行檢查更換。

Regulating valve pressure: The working pressure of the natural gas generator inlet is 7-9 kPa. Excessive or insufficient pressure can cause engine start-up failures. Therefore, the main inspection is to check the outlet pressure of the pressure regulating valve. The inspection method is to slowly close the outlet valve and check the pressure between the outlet valve and the pressure regulating valve. If the pressure is stable, it indicates that the pressure regulating valve is normal. If the pressure continues to rise, it is necessary to inspect and replace the internal diaphragm of the regulating valve.

燃料混合氣:經(jīng)空氣濾芯等進(jìn)入的空氣經(jīng)燃?xì)饣旌掀骱蟀匆欢ū壤c天然氣形成可燃混合氣,進(jìn)入燃燒室。如果濃度過濃或過稀,都會(huì)導(dǎo)致發(fā)動(dòng)機(jī)無(wú)法啟動(dòng),我們可以通過可燃混合氣調(diào)整螺釘來(lái)調(diào)整可燃混合氣的濃度。

Fuel mixture: The air entering through the air filter and other components is mixed with natural gas in a certain proportion to form a combustible mixture, which then enters the combustion chamber. If the concentration is too high or too low, it will cause the engine to fail to start. We can adjust the concentration of the combustible mixture by using the combustible mixture adjustment screw.

本文來(lái)自:焦化氣發(fā)電機(jī)組更多的內(nèi)容請(qǐng)點(diǎn)擊:http://inyanfang.cn我們將會(huì)為您提問的問題提供一個(gè)滿意的服務(wù),歡迎您的來(lái)電!

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