及時(shí)加注光滑油。要依據(jù)闡明書中的規(guī)則，及時(shí)對(duì)水泵軸承加注光滑油，加注光滑油的數(shù)量不可太多或太少，以防軸承過早損壞。 不可梗塞溢水孔。有的水泵軸處有溢水孔，經(jīng)過溢水孔可察看水泵能否漏水。假如溢水孔受堵，水泵走漏的水會(huì)進(jìn)人軸承內(nèi)而影響光滑，惹起軸承過早損壞。 拆裝時(shí)不得猛打硬敲。檢修水泵時(shí)，拆卸皮帶輪和水泵內(nèi)軸承等主要部件應(yīng)用專用工具。裝置時(shí)若猛打硬敲，易形成水泵軸承彎曲變形、水泵軸軸端螺紋滑扣或損傷。另因葉輪和泵軸配合較緊，除非必要，普通不拆卸。

Add smooth oil in time. According to the rules in the specification, the pump bearing should be filled with smooth oil in time, and the quantity of smooth oil should not be too much or too little, so as to prevent the bearing from premature damage. Do not block the overflow hole. Some water pump shaft has overflow hole, through the overflow hole, you can see whether the water pump leakage. If the overflow hole is blocked, the water leaking from the pump will enter the bearing and affect the smoothness, causing premature failure of the bearing. Do not knock hard when disassembling. When repairing the water pump, special tools should be used to remove the main parts such as the belt pulley and the inner bearing of the water pump. It is easy to form bending deformation of water pump bearing and thread sliding or damage of shaft end of water pump if the device is hard knocked. In addition, due to the impeller and pump shaft with tight, unless necessary, ordinary do not dismantle.

及時(shí)肅清水泵內(nèi)的水垢。水泵內(nèi)水垢積聚過多，會(huì)使水泵泵水才能削弱，同時(shí)水垢還會(huì)腐蝕水泵內(nèi)各部件，易使水泵過早損壞。

Remove the scale in the water pump in time. Excessive water scale accumulation in the water pump will weaken the water pump. At the same time, the scale will corrode the parts in the water pump, which is easy to cause premature damage of the water pump.

正確裝置。裝置時(shí)，齒輪傳動(dòng)式水泵的齒輪應(yīng)和傳動(dòng)齒輪嚴(yán)密分離，皮帶傳動(dòng)式水泵應(yīng)保證水泵軸和皮帶輪的同軸度在規(guī)則的范圍內(nèi)，避免發(fā)起機(jī)因增加轉(zhuǎn)速或負(fù)荷而招致水泵產(chǎn)生晃動(dòng)，加劇磨損。

Correct installation. When installing, the gear of gear driven water pump should be closely separated from the transmission gear. For belt driven water pump, the coaxiality of pump shaft and pulley should be within the regular range, so as to avoid the pump shaking and aggravating wear caused by the increase of speed or load of the starter.

正確調(diào)整皮帶的松緊度。風(fēng)扇皮帶不可調(diào)得過緊，否則會(huì)加大水泵軸承的負(fù)荷。假如是兩根以上的皮帶傳動(dòng)，要保證幾根皮帶的新舊、長(zhǎng)短、松緊度相分歧，避免因各根皮帶拉力不平均，使水泵受力不平衡而過早損壞。

Adjust the belt tightness correctly. Fan belt can not be adjusted too tight, otherwise it will increase the load of water pump bearing. If it is more than two belt drive, to ensure that the old and new, length, tightness of several belts are different, to avoid uneven tension of each belt, so that the water pump force imbalance and premature damage.

燃?xì)獍l(fā)電機(jī)組的發(fā)電效率通常在30%-40%之間，比較常見的機(jī)型一般可以達(dá)到35%。燃?xì)鈨?nèi)燃機(jī)更突出的優(yōu)點(diǎn)正是發(fā)電效率比較高，其次是設(shè)備集成度高，安裝快捷，對(duì)于氣體中的粉塵要求不高，基本不需要水，設(shè)備的單位千瓦造價(jià)也比較低。但是內(nèi)燃機(jī)也有一些不足的地方，首先，內(nèi)燃機(jī)燃燒低熱值燃料時(shí)，機(jī)組出力明顯下降，一臺(tái)燃燒低熱值8000大卡/立方米天然氣燃料的500千瓦級(jí)燃?xì)鈨?nèi)燃發(fā)電機(jī)組，在使用低熱值4000大卡/立方米的焦化煤氣時(shí)，出力可能下降到350～400kW左右。

The power generation efficiency of gas-fired generator set is usually between 30% and 40%, and the more common type can reach 35%. The most prominent advantage of gas-fired internal combustion engine is high power generation efficiency, followed by high equipment integration, fast installation, low requirements for dust in gas, basically no water, and the unit kilowatt cost of the equipment is relatively low. However, the internal combustion engine also has some shortcomings. First of all, when the internal combustion engine burns low calorific value fuel, the unit output drops obviously. A 500 kW gas-fired internal combustion generator set burning 8000 kcal / m3 natural gas fuel with low calorific value may drop to 350-400kw when using coking gas with low calorific value of 4000 kcal / m3.

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