●高粘度液(ye)體齒輪泵在開(kai)始運轉前，往齒(chi)輪泵的殼體内(nei)灌滿待輸送的(de)液體，便于安全(quán)啟動。若環境溫(wen)度低于冰點，應(yīng)預先向泵内通(tōng)入熱蒸汽，進行(háng)預熱處理💯，然後(hòu)才可啟動齒輪(lun)泵。高粘度泵的(de)旋轉方向要與(yu)進、出油口相符(fu)。齒輪泵若是第(dì)一次運行，或長(zhǎng)期閑置後再使(shi)用，最好在空🈲載(zǎi)或小負荷情況(kuàng)下先跑合一小(xiǎo)時左右。如果在(zài)跑合階段預先(xiān)覺察出異常溫(wēn)升、洩漏、振動和(he)噪聲時✍️，應停機(ji)🏒檢查。高🧑🏽‍🤝‍🧑🏻粘度齒(chǐ)輪泵的支座或(huo)法蘭與其驅動(dòng)電機應采用共(gòng)同的安裝💃🏻基礎(chu)，基礎、法蘭或支(zhi)座均需具有足(zú)夠的剛度，以減(jian)小齒輪泵運轉(zhuan)時産生的振動(dòng)和噪聲。電動機(ji)與齒輪泵須用(yong)彈性聯軸器連(lian)接，同軸度小于(yú)0.1毫米，傾斜角不(bú)得大于1度。安裝(zhuang)聯軸器時不得(de)用錘敲打，以免(miǎn)傷害齒輪泵的(de)齒輪等零件。若(ruò)用帶輪、鍊輪等(děng)驅動時應設托(tuō)架🏃‍♀️支🐉承，以防主(zhu)動齒輪軸承受(shou)徑向力。緊固齒(chǐ)輪泵、電動機的(de)地腳螺釘時，螺(luo)釘受力應均勻(yun)，連接可靠🔅。用手(shǒu)轉動聯軸器時(shi)，應感覺到齒輪(lún)泵能夠輕松地(dì)轉動，沒有卡緊(jǐn)等異常現象出(chu)現，然後🧡才可以(yǐ)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.

     高粘度液(yè)體齒輪泵的吸(xī)油管道内徑應(ying)足夠大，并避免(mian)狹窄通道或急(jí)劇拐彎🌈、減少彎(wān)頭，去除不必要(yao)的閥門、附件，盡(jin)可能地降📐低泵(beng)的安裝高度，縮(suō)短吸油管道的(de)長度，以減少壓(yā)力損失。管接頭(tóu)等元件的密封(fēng)要良好，以防止(zhǐ)🙇🏻空氣侵入，從而(er)控制氣穴與氣(qì)蝕的發生。止回(huí)閥與安全閥在(zai)齒輪泵的輸出(chu)管路上最好安(an)裝一個止回閥(fá)。這樣在檢修泵(beng)及輸出💔管📧道時(shí)，系統中的液體(ti)不會發生倒流(liu)。齒輪泵帶負荷(hé)停車時，亦可防(fang)止泵倒轉而在(zài)其輸出管道内(nèi)📐産生🙇‍♀️局部真空(kōng)。應當注意，出口(kou)止回閥不能裝(zhuāng)反或出現卡死(sǐ)現象。高粘度💃泵(beng)的出口管路上(shang)還應當設置安(an)❗全閥等♋保護裝(zhuang)置，這樣一旦泵(bèng)的出口通道發(fa)生堵塞，就可以(yi)打☀️開安全閥卸(xiè)壓。安全閥可以(yǐ)與🌍泵體或泵蓋(gài)鑄成一體，也可(ke)以單獨裝配。對(dui)于需要正反轉(zhuan)的高粘度齒輪(lún)泵，其進出口管(guǎn)路上均需設置(zhi)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(shi)輸送高粘度液(yè)體的齒輪泵，應(ying)做到在較低的(de)功耗、較少的洩(xie)漏、較大的壓力(lì)下輸出最多的(de)流量。在确定所(suo)要輸送的介質(zhì)時，應該嚴格遵(zūn)循産品說明🎯書(shū)上的規定，盡量(liang)使用廠家推薦(jiàn)的流體介質，并(bìng)注意考慮系統(tong)的工作溫度範(fan)圍。當希望在某(mou)一較寬的溫度(dù)範🈲圍内使用♌時(shi)，輸送介質的粘(zhān)度指數應該高(gao)些🎯。輸送介質不(bú)⭕僅是能量傳遞(di)的中介，而且也(ye)是潤滑、密封及(jí)傳熱介質。液體(ti)粘度過高會增(zeng)加内摩擦阻📞力(lì)，降低輸出功率(lü)，浪費能量，并産(chǎn)生過高的系✍️統(tǒng)溫度.高粘度齒(chǐ)輪泵的出口管(guǎn)路上應當設置(zhi)安全閥等保護(hù)裝置，這樣一旦(dàn)泵的出口通道(dao)發生堵塞，就可(ke)以打開安全閥(fa)卸壓👈。對于需要(yao)正反👈轉的高粘(zhān)度齒輪泵，其進(jìn)出口管路上均(jun1)需設置安全閥(fá)。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、工作壓力的選(xuǎn)定1, select the work pressure

　　高粘度液體(ti)齒輪泵額定的(de)壓力是指泵連(lian)續工作時的最(zuì)高許用壓力，而(ér)其工💋作壓力則(ze)決定于外部負(fu)載，安裝和調試(shi)的壽命與其工(gong)作壓力直接相(xiàng)關。對于不頻繁(fan)工作的齒輪泵(bèng)，其工作壓力可(ke)取為泵的額定(ding)壓力，考慮到産(chan)品質量不同，最(zui)⭐好将額定壓力(li)降低20%～30%使用。對于(yú)經常工作于較(jiao)高壓力下的齒(chi)輪泵，其工作壓(ya)力應比泵的額(é)定壓力低1～2個壓(yā)力級。石油化工(gong)設備常常是24小(xiao)時連續運轉，這(zhe)時泵的工作壓(ya)力應該取得比(bi)額定壓力低得(dé)多，且工作轉速(su)也應該低于額(e)定轉速。如果高(gao)粘度齒輪泵的(de)工作壓力調整(zhěng)過高，則會使齒(chǐ)輪泵在超負荷(he)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.安裝與(yǔ)試運轉2. Installation and commissioning

　　高粘度(du)液體齒輪泵的(de)支座或法蘭與(yǔ)其驅動電機應(yīng)采用共同的安(ān)裝基💁礎，基礎、法(fǎ)蘭或支座均需(xū)具有足夠的剛(gang)度，以減小齒輪(lún)泵運轉時産生(shēng)的振動和噪聲(shēng)。電動機與齒輪(lún)泵須用彈性聯(lián)軸器連接，同軸(zhóu)度小于0.1毫米，傾(qing)斜角不得大于(yú)1度。安裝聯軸器(qì)時不得用錘敲(qiāo)打，以免傷害齒(chi)輪泵的齒輪等(deng)零件。若用帶輪(lun)、鍊輪等驅動時(shi)應設托架支承(chéng)，以防主動齒輪(lun)軸承受徑向力(li)。緊固齒輪泵、電(dian)動機的地腳螺(luo)釘時，螺釘受力(li)應均勻，連接可(kě)靠。用手轉🐆動聯(lian)軸器時，應感覺(jiao)到齒輪泵能夠(gou)輕松地轉動，沒(méi)有卡緊等異常(chang)現象出現，然後(hòu)才可以配管。高(gāo)粘度齒輪泵的(de)吸油管道内徑(jìng)應足夠大，并避(bì)免狹窄通道或(huò)急劇拐彎🌐、彎頭(tou)，去除不必要的(de)閥門、附件，盡可(ke)能地降低泵的(de)安裝高度，縮短(duan)吸油管道的長(zhǎng)度，以減少壓力(li)損失。管接頭等(děng)元件的密封要(yao)良好，以防止空(kong)氣侵入，從而控(kong)制氣穴與氣蝕(shí)的發生。在開始(shi)運轉前，往齒輪(lún)泵的殼體内灌(guàn)滿待輸送的液(yè)體，便于安全動(dòng)。若環境溫度低(dī)♍于冰點，應預先(xian)向泵内通入熱(rè)蒸汽，進行預熱(re)處理，然後才可(kě)啟動齒輪泵。齒(chi)輪泵的旋轉方(fang)向要與進、出油(you)口相符。齒輪泵(beng)若是第一次運(yun)行，或長期閑置(zhi)後再使用，最好(hǎo)在空載或小負(fù)荷情況下先跑(pao)合一小時左右(you)。如果在跑合階(jie)段預先覺出異(yì)常溫升、洩漏、振(zhen)動和噪聲時，應(yīng)🤩機檢查。高粘度(du)泵的出口管路(lù)上還應當設置(zhì)安全閥等保護(hù)裝置，這樣一旦(dàn)泵的出口通道(dao)發生堵塞，就可(kě)以打開安全閥(fá)卸壓。對于需要(yào)正反轉的高粘(zhan)度齒輪泵，其進(jìn)出口管路上均(jun)需設置安全閥(fa)。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.