3GR70*3三螺桿泵在山東恒宇橡膠有限公司輸送橡膠液泵

● 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)。 Used to transfer temperature 150 ℃ , the viscosity of 3 or less - 760 CST, not containing solid particles,non-corrosive, has the lubrication performance of the medium.Apply pressure range: 0.6 to 2.5 Mpa;Applicable flow range: 0.6-123 m3 / h.Mainly used in the fuel 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。 Application scope: 1, medium for linear continuous transmission, without stirring, without pulsation.2, small vibration, low noise.3, high pressure and high efficiency.4, simple structure, convenient tear open outfit.5, small volume, light weight.6, wear light, long service 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 positive displacement pump, is suitable for conveying various not containing solid particles, non-corrosive oil lubricity and similar oil liquid, conveying liquid viscosity was 2 to 760 / s, temperature not over 80 ℃ , more than 80 ℃ high temperature pump available 3 gw type.

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)。 Three screw with multiple structure of 3 g, general small flow pump bushings and pump body into one, can be installed in a horizontal and vertical.Oil inlet direction can be 90 ° apart any installation, most of the shaft sealing seal for your organization.The medium flow in pump, bushing as a separate component fixed in the pump body, screw shaft end is equipped with the gimbal ring to hydraulic balance the axial force.The general structure is horizontal.Inlet direction also can be 90 ° apart any installation.After the change of pump body can be made into vertical.Depending on the situation of the shaft sealing with mechanical 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。 3 g type three-screw pump shaft and bearing is small, should be driven by a prime mover directly by the elastic coupling, shall not be used pulley will produce additional radial force large transmission way.

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

1 、輸送 40~150mm2/s 的油類最合適，允許按泵的最高工作壓力使用。 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 to the maximum working pressure of pump.2, transmission oil, under 40 was/s in order to ensure the pump flow and life should be used antihypertensive.3, transmission of more than 150 was/s oils, and the oil inlet pipe is too long, too much bend, such as noise or vibration phenomenon when the pump work, should consider to replace the low level of rotational speed of motor operation or shorten the suction pipe, reducing elbow.

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

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 pump is good, and check the pump is damaged in transportation, turn the coupling usable hand card trouble phenomenon, if there is any should tear open pump for cleaning, repair and calibration.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 pipe diameter shall not be less than the oil inlet of the pump and the oil outlet diameter, inlet pipe shall not be too long, elbow shall not too much, otherwise will affect the pump working condition.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 more than two head of pump installed in the same line, to facilitate pump start-up, in close to the oil drain pump must be installed on a non-return valve.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 of oil (such as: heavy oil) of the standby pump, it must be hot standby pump, otherwise the pump at low temperature can cause the damage of motor overload or pump.(suggest near the exhaust non-return valve on the tubing pump, a small return valve installed in parallel, differentiable and the backflow preventer to standby pump, the pump slow reversal, the reverse speed 100 r/min or less, often make some hot oil flows through the pump, to pump hot standby purposes).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 transmission medium.Will seriously affect the operation and reduce the service life of pump, so before the pump installation, must be carefully clean up the feed tube welding slag, impurities such as grains of sand, and shall be installed in the inlet pipe near the pump filter, filter mesh size, is decided according to the working condition and medium viscosity.Available (40 ~ 80 mesh net), filter area generally shall not be less than 20 times into the cross-sectional area of the tubing 6 、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 in the pump suction and discharge of oil on the threaded hole mouth connect pressure gauge and vacuum gauge, in order to observe the pump running state.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 circumference of a circle by 90 ° in check.8, steering engine and pump must be consistent, strictly prohibited prime motor driven pump reversal.Electrical wiring, should first release coupling of motor and pump, a test run on the motor.The steering pump and steering sign agreement.

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