●高粘度液體(tǐ)齒輪泵在開始運(yun)轉前，往齒輪泵的(de)殼體内灌滿待輸(shū)送的液體，便于安(an)全啟動。若環境👄溫(wēn)度低于冰點，應預(yù)先向泵内通入熱(rè)蒸汽，進行📞預熱處(chù)理，然後才可啟動(dong)齒輪泵。高粘度泵(beng)的旋轉方向要與(yǔ)進、出油口相符。齒(chi)輪泵若是第一次(ci)運行，或長期閑置(zhi)後再使用，最好在(zài)空載或小負荷情(qíng)況下先跑合一小(xiao)時左右。如果在跑(pao)合階段預🥵先覺察(cha)出異常溫升、洩漏(lou)、振動和噪聲時，應(yīng)停機檢查。高💋粘度(du)齒輪泵的支座或(huo)法蘭與其驅動電(diàn)機應采用共同的(de)安裝基礎㊙️，基礎、法(fa)蘭或支座均需具(jù)有足夠的剛度，以(yǐ)減小齒輪泵運轉(zhuan)時産生的振動和(he)噪聲。電動機與齒(chǐ)輪泵須用彈性聯(lian)軸器連接，同軸度(dù)小于0.1毫米，傾斜角(jiǎo)不得大于1度。安裝(zhuāng)聯軸器時不得用(yong)錘敲打，以免傷害(hài)齒輪泵的齒輪等(děng)零件。若用帶輪、鍊(lian)輪等驅動時應設(shè)托架支⁉️承🈲，以防主(zhǔ)動齒輪軸承受徑(jing)向力。緊固齒輪泵(beng)、電動機的地腳螺(luó)釘時，螺釘受力應(ying)均勻，連接可靠。用(yòng)☀️手轉動聯軸器時(shí)，應感覺到齒輪泵(bèng)能夠輕松地轉動(dong)，沒有卡緊等異常(cháng)現象出現，然後才(cai)💃可以配管。High viscosity pump before starting work, to gear pump casing filled with liquid, facilitate safe launch.If the environment temperature is below freezing, should advance to pump into the hot steam, preheating treatment, and then to start the pump.The direction of rotation of the pump with high viscosity, oil outlet in accord.Gear pump is the first run, or long-term idle before using, had better under the condition of no load or small load to run one hour or so.If in the running-in stage in advance detect abnormal temperature rise, leakage, vibration and noise, should stop check.High viscosity gear pump bearing or flange should adopt a common drive motor installationFoundation, foundation, flange or support all needs to have enough rigidity, to reduce the vibration of gear pump is running and noise.Motor and gear pump with elastic shaft coupling, coaxial degree is less than 0.1 mm, Angle shall not be greater than 1 degree.When installing coupling hammer shall not be used, in order to avoid damage of the gear pump gearAnd other parts.If use the belt wheel, wheel, etc, shall set bracket support, in case of driving gear bearing by the radial force.Ground screw fastening gear pump, motor, screw force should be uniform, reliable connection.Turn the coupling with the hand, should feel can easily turn the gear pump, no abnormal phenomenon such as clamping, then can be piping.

     高粘度(dù)液體齒輪泵的吸(xī)油管道内徑應足(zú)夠大，并避免狹窄(zhǎi)通道或急劇拐🥵彎(wān)、減少彎頭，去除不(bú)必要的閥門、附件(jian)，盡可能地降🔴低泵(beng)的安裝高🙇🏻度，縮短(duǎn)吸油管道的長度(dù)，以減㊙️少壓力🌂損失(shī)。管接頭等元件的(de)密封要良好，以防(fang)止🔞空氣侵入✏️，從而(er)控制氣穴與氣蝕(shi)的發生。止回閥與(yǔ)🤞安全閥在齒輪泵(bèng)的輸出管路上最(zuì)好安裝一個止回(hui)閥。這樣在檢修泵(bèng)及輸出管道時，系(xì)統中的液體不會(huì)發生倒流。齒輪泵(bèng)帶負荷停車時，亦(yi)可防止泵倒轉而(er)在其輸出管道内(nèi)産生🌍局✏️部真空。應(ying)當注意，出口止回(hui)閥不能裝反或出(chū)現卡死現象。高粘(zhān)度泵的出口管路(lù)上還應當設置安(an)全閥等保護裝置(zhì)，這樣🔆一旦泵的出(chū)口通道發生堵塞(sai)，就可以打⭐開安全(quán)閥卸壓。安全☁️閥可(ke)以與泵體或泵蓋(gai)鑄成一體，也可以(yi)單獨裝配。對于需(xū)要💃正反轉的高粘(zhān)度齒輪泵，其進出(chū)口管路上均需設(shè)置安全閥。High viscosity gear pump oil suction pipe diameter should be large enough, and to avoid the narrow channel, or a sharp turn, reducing elbow, remove unnecessary valves, fittings, as much as possible to reduce the installation height of pump, shorten the length of the oil suction pipe, in order to reduce the pressure loss.Components, such as pipe joint sealed well, in order to prevent the air intrusion, thus control air-pocket and the occurrence of cavitation.Check valve and relief valve on the output of the gear pump tube had better install a check valve.In the overhaul pump and output pipe, the system of fluid backflow will not occur.Gear pump to stop loading machine, can be in the output pipe to prevent pump reverse, and create a partial vacuum.It should be noted that the outlet check valve cannot be installed backwards or stuck.High viscosity of the pump outlet pipe also shall set up relief valve or other protective device on the road, so that once the clogging pump export channels, can open the relief valve pressure relief.The relief valve can be cast and pump body and pump cover, also can separate assembly.For high viscosity gear pump need positive &negative, import and export all needs to set up the line safety valve.

   高粘度(dù)液體齒輪泵是輸(shū)送高粘度液體的(de)齒輪泵，應做到在(zai)較低的功耗、較少(shǎo)的洩漏、較大的壓(yā)力下輸出最多的(de)流量。在确定所要(yào)輸送的介質時，應(yīng)該💚嚴格遵循産品(pin)說明書上的規定(ding)，盡量使用廠家推(tui)薦的流體介質，并(bìng)注意考慮系統的(de)工作溫度範圍🧑🏾‍🤝‍🧑🏼。當(dang)希望在某一較寬(kuan)🌈的溫度範圍内使(shi)用時，輸送介質的(de)粘度指數應該高(gāo)些。輸送介質不僅(jin)是能量傳👉遞的中(zhong)介，而且也是潤滑(hua)、密封📞及傳熱介質(zhi)。液體粘度過高會(hui)增加内摩擦阻🔴力(lì)，降低輸出功率，浪(làng)費能♊量，并産生過(guo)高的系統溫度.高(gāo)粘度齒輪泵的出(chū)口管路上應當設(she)置安全閥等保護(hu)裝置，這樣🈲一旦泵(beng)的出口通道發生(sheng)堵塞，就可以打開(kai)安全閥卸壓。對于(yu)需要正反轉的高(gao)粘度齒輪泵，其進(jin)出口管路上均需(xū)設置安全閥。High viscosity pump is conveying liquid with high viscosity gear pump, should be in lower power consumption, less leakage, under the pressure of large output the most traffic.When determining to conveying medium, we should strictly follow the provisions of the product manuals on use manufacturers recommend fluid as far as possible, and pay attention to consider the system operating temperature range.When you want to use in a wide temperature range, medium viscosity index should be higher.Medium is not only the energy transfer intermediary, but also lubrication, sealing and heat transfer medium.Liquid viscosity is too high will increase internal friction resistance, lower output power, waste of energy, and generate high temperature system. High viscosity gear pump outlet pipe shall set up relief valve or other protective device on the road, so once the clogging pump export channels, can open the relief valve pressure relief.For high viscosity gear pump need positive &negative, import and export all needs to set up the line safety valve.

    1、工作(zuò)壓力的選定1, select the work pressure

　　高粘(zhān)度液體齒輪泵額(e)定的壓力是指泵(beng)連續工作時的最(zui)高許用壓力，而其(qi)工作壓力則決定(dìng)于外部負載，安裝(zhuāng)和調試的壽命與(yǔ)其工作壓力直接(jie)相關。對于不頻繁(fan)工作的齒輪泵，其(qi)工作壓力可取為(wei)泵的額定壓力，考(kǎo)慮到産品質🔅量不(bú)同，最好将額定壓(yā)力降低20%～30%使用。對于(yu)經常工作于較高(gāo)壓力下的齒輪泵(beng)，其工作壓力應比(bi)泵的額定壓力低(di)1～2個壓力級。石油化(huà)工設備常常是24小(xiǎo)時連續運轉，這時(shí)泵的工作壓力應(yīng)該取得比額定壓(ya)力低💋得多，且工作(zuo)轉速也應該低于(yu)額定轉速。如果高(gāo)粘度齒輪泵的工(gong)作壓力調整過高(gāo)，則會使齒輪泵在(zài)超負荷下運行。High viscosity pump rated pressure refers to the maximum allowable pump continuous work pressure, and its working pressure is determined by the external load, installation and commissioning of life is directly related with work pressure.For not frequent work gear pump, the working pressure is desirable for the rated pressure of the pump, taking the quality into consideration, it is best to used pressure rated lower 20% ~ 30%.For often work under high pressure gear pump, the working pressure shall be lower than the rated pressure of the pump 1 ~ 2 pressure level.Petrochemical equipment are often 24 hours of continuous operation, and at this time of the pump working pressure should be obtained was much lower than the rated pressure, and the work speed should be lower than the rated speed.If the high viscosity gear pump high pressure adjustment, will make the pump running under overload.

　　2.安(ān)裝與試運轉2. Installation and commissioning

　　高粘(zhan)度液體齒輪泵的(de)支座或法蘭與其(qi)驅動電機應采用(yòng)共同的安裝基⚽礎(chǔ)，基礎、法蘭或支座(zuò)均需具有足夠的(de)剛度，以減小齒輪(lun)泵運轉時産生的(de)振動和噪聲。電動(dong)機與齒輪泵須用(yong)彈性聯軸器連接(jie)，同軸度小于0.1毫米(mi)，傾斜角不得大于(yu)1度。安裝聯軸器時(shi)不得用錘敲打，以(yǐ)免傷害齒輪泵的(de)齒輪等零件。若用(yong)帶輪、鍊輪等驅動(dong)時應設托架🈲支承(chéng)，以防⚽主💛動齒輪軸(zhóu)承受徑向力。緊固(gù)齒輪泵、電動機的(de)地腳螺釘時，螺釘(dìng)受力應均勻，連接(jie)可靠。用⭐手轉動聯(lián)♋軸器時，應感覺到(dào)齒輪泵能夠輕松(sōng)地轉動，沒有卡緊(jǐn)等異常現象出現(xiàn)，然後才可以配管(guan)。高粘度齒輪泵的(de)吸油管道内徑應(yīng)足夠大，并避免狹(xia)窄通道或急劇拐(guǎi)彎、彎頭，去除不必(bì)要的閥門、附件，盡(jìn)可能地降㊙️低泵的(de)安裝高度，縮❗短吸(xī)油管道的長度，以(yǐ)減少壓力損失。管(guǎn)接頭🌐等元件的密(mì)封😍要良好，以防止(zhǐ)空氣侵入，從而控(kòng)制氣穴與氣蝕的(de)發生。在開始運轉(zhuan)前，往齒輪泵的殼(ke)體内灌滿待輸送(song)的液體，便于安全(quan)動。若環境溫度低(di)于冰🌐點，應預先向(xiàng)泵内通入熱蒸汽(qì)，進行預熱處理，然(rán)⭕後才可啟動齒輪(lun)泵。齒輪泵的旋轉(zhuan)方向要與進、出油(you)口相符。齒輪泵若(ruò)是第一次運行，或(huò)長期閑置後再使(shi)用，最好在空載或(huo)小負荷情況下先(xian)跑合一小時左右(you)。如果在跑合階段(duan)預先覺☂️出異常溫(wēn)升、洩漏、振動和噪(zao)聲時，應機檢查。高(gao)粘度泵的出口管(guǎn)路上還應當設置(zhì)安全閥等保護裝(zhuāng)置，這樣一旦泵的(de)出口通道🧑🏽‍🤝‍🧑🏻發生堵(du)塞，就可以打開安(an)全閥卸壓。對于需(xu)要正反轉的高粘(zhān)度齒輪泵，其進出(chū)口管路上均需設(shè)置安全閥。High viscosity pump bearing or flange and its drive motor should use common installation basis, foundation, flange or support all needs to have enough rigidity, to reduce the vibration of gear pump is running and noise.Motor and gear pump with elastic shaft coupling, coaxial degree is less than 0.1 mm, Angle shall not be greater than 1 degree.When installing coupling hammer shall not be used, in order to avoid damage gear and other parts of the gear pump.If use the belt wheel, wheel, etc, shall set bracket support, in case of driving gear bearing by the radial force.Ground screw fastening gear pump, motor, screw force should be uniform, reliable connection.Turn the coupling with the hand, should feel can easily turn the gear pump, no abnormal phenomenon such as clamping, then can be piping.High viscosity gear pump oil suction pipe diameter should be large enough, and to avoid the narrow channel, or a sharp bend, bend, remove unnecessary valves, fittings, as much as possible to reduce the installation height of pump, shorten the length of the oil suction pipe, in order to reduce the pressure loss.Components, such as pipe joint sealed well, in order to prevent the air intrusion, thus control air-pocket and the occurrence of cavitation.Before starting operation, to gear pump casing filled with liquid, easy to safety.If the environment temperature is below freezing, should advance to pump into the hot steam, preheating treatment, and then to start the pump.Direction of rotation of the gear pump, oil outlet in accord.Gear pump is the first run, or long-term idle before using, had better under the condition of no load or small load to run one hour or so.If in the running-in stage in advance the abnormal temperature rise, leakage, vibration and noise, should machine inspection.High viscosity of the pump outlet pipe also shall set up relief valve or other protective device on the road, so that once the clogging pump export channels, can open the relief valve pressure relief.For high viscosity gear pump need positive &negative, import and export all needs to set up the line safety valve.