●3G三螺桿泵性能:

　　用來輸送溫度≤150℃、粘度3-760cSt、不含固體顆粒、無腐蝕性、具有潤滑性能的介質(zhì)。適用壓力范圍：0.6-2.5Mpa;適用流量范圍：0.6-123m3/h。主要應(yīng)用于燃油輸送、液壓工程、船舶工程，石化及其他工業(yè)。Usedto transfer temperature 150 ℃, the viscosity of 3 or less - 760CST, not containing solid particles,non-corrosive, has thelubrication performance of the medium.Apply pressure range: 0.6 to2.5 Mpa;Applicable flow range: 0.6-123 m3 / h.Mainly used in thefuel transfer, hydraulic engineering, Marine engineering,petrochemical and other industries.

　　●3G三螺桿泵應(yīng)用范圍:

　　1、介質(zhì)為直線連續(xù)輸送、無攪拌、無脈動。2、振動小，噪音低。3、壓力高、效率高。4、結(jié)構(gòu)簡單、拆裝方便。5、體積小，重量輕。6、磨損輕微，壽命長。Applicationscope: 1, medium for linear continuous transmission, withoutstirring, without pulsation.2, small vibration, low noise.3, highpressure and high efficiency.4, simple structure, convenient tearopen outfit.5, small volume, light weight.6, wear light, longservice life.

　　●3G三螺桿泵工作原理:

　　3G型三螺桿泵是轉(zhuǎn)子型容積泵，適于輸送各種不含固體顆粒，無腐蝕性油類及類似油的潤滑性液體、輸送液體粘度2~760mm2/s，溫度不超過80℃,超過80℃可用高溫泵3GW型。3 g type is three screw pump rotor type positivedisplacement pump, is suitable for conveying various not containingsolid particles, non-corrosive oil lubricity and similar oilliquid, conveying liquid viscosity was 2 to 760 / s, temperaturenot over 80 ℃, more than 80 ℃ high temperature pump available 3 gwtype.

   3G型三螺桿具有多種結(jié)構(gòu)，一般小流量泵襯套和泵體合為一個，可以臥式和立式安裝。進(jìn)油口方向可相隔90°任意安裝，軸封多數(shù)為機(jī)構(gòu)密封。中等流量以上泵，襯套為一個單獨(dú)的零件固定于泵體內(nèi)，螺桿軸端裝有平衡環(huán)以液力平衡其軸向力。一般結(jié)構(gòu)為臥式。進(jìn)油口方向亦可以相隔90°任意安裝。改變泵體后可制成立式。軸封根據(jù)情況有機(jī)械密封和軟填料密封兩種結(jié)構(gòu)。Threescrew with multiple structure of 3 g, general small flow pumpbushings and pump body into one, can be installed in a horizontaland vertical.Oil inlet direction can be 90 ° apart anyinstallation, most of the shaft sealing seal for yourorganization.The medium flow in pump, bushing as a separatecomponent fixed in the pump body, screw shaft end is e withthe gimbal ring to hydraulic balance the axial force.The generalstructure is horizontal.Inlet direction also can be 90 ° apart anyinstallation.After the change of pump body can be made intovertical.Depending on the situation of the shaft sealing withmechanical seal and soft packing seal two structures.

   3G型三螺桿泵軸伸支承較小，應(yīng)由原動機(jī)經(jīng)彈性聯(lián)軸器直接驅(qū)動，不得用皮帶輪等會產(chǎn)生額外徑向力較大的傳動方式傳動。3g type three-screw pump shaft and bearing is small, should bedriven by a prime mover directly by the elastic coupling, shall notbe used pulley will produce additional radial force largetransmission way.

　　●3G三螺桿泵輸送各種油類時應(yīng)注意事項(xiàng)：When conveying various oil mattersshould be paid attention to:

   1、輸送40~150mm2/s的油類Zui合適，允許按泵的Zui高工作壓力使用。2、輸送40mm2/s以下的油類，為保證泵的流量及壽命應(yīng)降壓使用。3、輸送150mm2/s以上的油類，且進(jìn)油管道過長，彎頭過多，泵工作時如產(chǎn)生噪音或振動現(xiàn)象，則應(yīng)考慮更換低一級轉(zhuǎn)速的電機(jī)運(yùn)轉(zhuǎn)或縮短吸入管道，減少彎頭。1,delivery was 40 ~ 150 / s best oils, permitted to use according tothe maximum working pressure of pump.2, transmission oil, under 40was/s in order to ensure the pump flow and life should be usedantihypertensive.3, transmission of more than 150 was/s oils, andthe oil inlet pipe is too long, too much bend, such as noise orvibration phenomenon when the pump work, should consider to replacethe low level of rotational speed of motor operation or shorten thesuction pipe, reducing elbow.

　　 ●3G型三螺桿泵安裝要求:3 g type three-screw pump installationre:

    1、安裝前應(yīng)檢查泵的油封是否良好，并檢查泵在運(yùn)輸中是否損壞，可用手轉(zhuǎn)動聯(lián)軸器是否有卡勁現(xiàn)象，如有則應(yīng)拆泵進(jìn)行清洗，修理和校正。1,before installation should check whether the oil seal of the pumpis good, and check the pump is damaged in transportation, turn thecoupling usable hand card trouble phenomenon, if there is anyshould tear open pump for cleaning, repair andcalibration.2、安裝泵的進(jìn)油和排油管道時，其管徑不得小于泵的進(jìn)油和出油口口徑，進(jìn)油管道不得過長，彎頭不得過多，否則將影響泵的工作狀態(tài)。2,installation of pump suction and discharge of oil pipe, the pipediameter shall not be less than the oil inlet of the pump and theoil outlet diameter, inlet pipe shall not be too long, elbow shallnot too much, otherwise will affect the pump workingcondition.3、當(dāng)有兩臺以上的泵安裝在同一條主管線上，為便于泵的啟動，在近泵的排油管上必須安裝逆止閥。3, when morethan two head of pump installed in the same line, to facilitatepump start-up, in close to the oil drain pump must be installed ona non-returnvalve.4、對于在較高溫度（指60℃以上）下輸送粘度大的油類（如：重油）的備用泵，必須是熱備用泵，否則泵在低溫下啟動會造成電機(jī)過載或泵損壞。（建議在靠近泵的排油管上的逆止閥旁，并聯(lián)安裝一個小回流閥，對備用泵可微啟回流閥，使泵緩慢逆轉(zhuǎn)，其逆轉(zhuǎn)速≤100轉(zhuǎn)/分，使部分熱油經(jīng)常流過泵內(nèi)，達(dá)到泵熱備用目的）。4,for under high temperature (above 60 ℃) conveying the viscosity ofoil (such as: heavy oil) of the standby pump, it must be hotstandby pump, otherwise the pump at low temperature can cause thedamage of motor overload or pump.(suggest near the exhaustnon-return valve on the tubing pump, a small return valve installedin parallel, differentiable and the backflow preventer to standbypump, the pump slow reversal, the reverse speed 100 r/min or less,often make some hot oil flows through the pump, to pump hot standbypurposes).5、輸送介質(zhì)內(nèi)含有機(jī)械雜質(zhì)。將嚴(yán)重影響泵的運(yùn)轉(zhuǎn)和降低使用壽命，因此在泵安裝前，必須仔細(xì)清除進(jìn)油管內(nèi)的焊渣，沙粒等雜質(zhì)，并應(yīng)在進(jìn)油管道靠近泵處安裝濾器，濾器網(wǎng)孔大小，可根據(jù)工作情況及介質(zhì)粘度確定。（一般可用40~80目網(wǎng)），過濾面積一般不得小于進(jìn)油管橫截面積的20倍。5,mechanical impurity is contained within the transmissionmedium.Will seriously affect the operation and reduce the servicelife of pump, so before the pump installation, must be carefullyclean up the feed tube welding slag, impurities such as grains ofsand, and shall be installed in the inlet pipe near the pumpfilter, filter mesh size, is decided according to the workingcondition and medium viscosity.Available (40 ~ 80 mesh net), filterarea generally shall not be less than 20 times into thecross-sectional area of the tubing6、盡量在泵進(jìn)油和排油口處的螺紋孔上連接壓力表和真空表，以便于觀察泵的運(yùn)轉(zhuǎn)狀態(tài)。6, as far as possible inthe pump suction and discharge of oil on the threaded hole mouthconnect pressure gauge and vacuum gauge, in order to observe thepump runningstate.7、原動機(jī)與泵的轉(zhuǎn)軸必須在同一中心線上，可用直尺測隙規(guī)在聯(lián)軸器圓周上間隔90°處檢查。8、原動機(jī)與泵的轉(zhuǎn)向必須一致，嚴(yán)格禁止原動機(jī)驅(qū)動泵逆轉(zhuǎn)。電機(jī)接線時，應(yīng)先脫開電機(jī)與泵的聯(lián)軸器，對電機(jī)作試運(yùn)轉(zhuǎn)。使其轉(zhuǎn)向與泵的轉(zhuǎn)向標(biāo)志一致。7,prime mover and the pump shaft must be in the same center line,available ruler feeler gauge in the coupling of the circumferenceof a circle by 90 ° in check.8, steering engine and pump must beconsistent, strictly prohibited prime motor driven pumpreversal.Electrical wiring, should first release coupling of motorand pump, a test run on the motor.The steering pump and steeringsign agreement.

　　 ●3G型三螺桿泵的使用

　 　1、泵啟動前，必須全開進(jìn)油和排油閘閥。The use of 3 g type three-screwpump 1, before starting the pump, oil inlet must be fully open andoil discharge gatevalve.2、首次啟動泵或再次使用長期封存的泵時，泵內(nèi)無介質(zhì)，應(yīng)在泵的進(jìn)油腔灌注適量輸送介質(zhì)，避免泵干啟動。2, start thepump for the first time or again for a long time use of the pump,the pump inside without medium, should be in the inlet of the pumpcavity perfusion amount transfer medium, avoid dry start pump3、泵啟動后，應(yīng)密切注意電流表，壓力表和真空表的數(shù)值，超出規(guī)定值時，應(yīng)停泵找出原因后，再行啟動。3, the pump starts,should pay close attention to current meter, pressure gauge andvacuum gauge value, beyond the specified value, should stop pumpafter find out, startagain.4、軸封處點(diǎn)滴泄露，應(yīng)屬正?，F(xiàn)象，當(dāng)泄露量大量增加時，對軟填料密封應(yīng)壓緊填料壓蓋，對機(jī)械密封應(yīng)停泵修復(fù)后，再行啟動。4,shaft sealing drip leakage, should belong to the normal phenomenon,when the leak amount of increase, the soft packing seal should becompression packing gland, to pump mechanical seal shall beshutdown after repair, start again.5、用高溫蒸汽清掃管線時，應(yīng)避免高溫蒸汽通過泵內(nèi)。5, withhigh temperature steam cleaning pipeline, should avoid hightemperature steam through thepump.6、如果泵長期不工作時，應(yīng)進(jìn)行油封，并定期檢查油封情況，必要時重新油封。6, if the pump is notworking for a long time, should carry on the oil seal, andregularly check oil seal, oil seal again if necessary.