●高(gāo)粘度液(ye)體齒輪(lun)泵在開(kai)始運轉(zhuǎn)前，往齒(chǐ)輪泵的(de)殼體内(nèi)灌滿待(dai)輸送的(de)液體，便(bian)于安全(quán)啟動。若(ruo)環境溫(wen)度低于(yu)冰點，應(ying)預先向(xiang)泵内通(tong)入熱蒸(zhēng)汽，進行(hang)預熱處(chù)理✌️，然後(hou)才可啟(qi)動齒輪(lun)泵。高粘(zhān)度泵的(de)旋轉方(fāng)向要與(yu)進、出油(yóu)口相符(fu)。齒輪泵(beng)若是第(dì)一次運(yun)行，或長(zhang)期閑置(zhì)後再使(shi)用，最好(hǎo)在空☔載(zǎi)或小負(fù)💋荷情況(kuàng)下先跑(pao)合一小(xiǎo)時左右(yòu)。如果在(zai)跑合階(jiē)段預💯先(xiān)覺察出(chu)異常🈲溫(wēn)升、洩漏(lou)、振動和(hé)噪聲時(shi)，應停機(jī)檢查。高(gao)🌈粘度齒(chǐ)輪泵的(de)支座或(huò)法蘭與(yu)其驅動(dòng)電機應(yīng)采用共(gong)同的安(ān)裝基🈚礎(chu)，基礎💁、法(fǎ)蘭或支(zhi)座均需(xū)具有足(zú)夠的剛(gāng)度，以減(jian)小齒輪(lún)泵運轉(zhuǎn)時産生(shēng)的振動(dong)和噪聲(shēng)。電動機(jī)與齒輪(lun)泵須用(yòng)彈性聯(lian)軸器連(lian)接，同軸(zhou)度小于(yu)0.1毫米，傾(qing)斜角不(bú)得大于(yu)1度。安裝(zhuang)聯軸器(qi)時不得(dé)用錘敲(qiāo)打，以免(mian)傷害齒(chi)輪泵的(de)齒輪等(deng)零件。若(ruo)用帶輪(lún)、鍊輪等(deng)驅動時(shí)應設托(tuō)架支承(cheng)✍️，以防主(zhu)動齒輪(lún)軸承受(shou)徑向力(lì)。緊固齒(chǐ)輪泵、電(diàn)動機的(de)地腳螺(luo)釘時，螺(luó)釘受力(li)應均勻(yún)，連接可(ke)靠。用手(shou)轉動聯(lián)軸器時(shí)，應感覺(jiào)到齒輪(lun)泵能夠(gòu)輕松地(di)轉動，沒(méi)有卡緊(jin)等異常(cháng)現象出(chu)現，然後(hòu)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(gao)粘度液(yè)體齒輪(lun)泵的吸(xī)油管道(dào)内徑應(yīng)足夠大(da)，并避免(miǎn)狹窄通(tong)道或急(ji)劇拐彎(wān)、減少㊙️彎(wān)頭，去除(chu)不必要(yào)的閥門(mén)、附件，盡(jin)可能地(di)降🔆低泵(beng)的安裝(zhuāng)高度，縮(suo)短吸油(you)管道的(de)長度，以(yǐ)減少壓(yā)力🔞損失(shī)。管接頭(tou)等元件(jiàn)的密封(feng)要良好(hao)，以防止(zhi)空氣侵(qīn)入，從而(er)控制氣(qì)穴與氣(qì)蝕的發(fā)生。止回(huí)閥與安(an)全閥在(zài)齒輪泵(bèng)的輸出(chu)管路上(shàng)最好安(ān)裝一個(ge)止回閥(fá)。這樣在(zai)檢修泵(beng)及輸㊙️出(chū)管道時(shi)，系統中(zhōng)的液體(ti)不會發(fa)生倒流(liu)。齒輪泵(bèng)帶負荷(he)停車時(shi)，亦可防(fáng)止泵倒(dao)轉而在(zai)其輸出(chū)管道内(nèi)産生局(ju)部真空(kong)。應當注(zhù)意，出口(kǒu)止回閥(fá)不能裝(zhuang)反或出(chū)現卡死(si)現🎯象。高(gāo)⭕粘度泵(bèng)的出口(kǒu)管路上(shàng)還應當(dang)設置安(an)全閥等(děng)保護裝(zhuang)置，這樣(yang)一旦泵(beng)的出口(kǒu)通道📐發(fa)生堵塞(sai)，就可以(yi)打🈲開安(an)全閥卸(xie)壓。安全(quan)閥可以(yi)與🔞泵體(tǐ)或泵蓋(gài)鑄成一(yi)體，也可(kě)以單獨(du)裝配。對(dui)于需要(yào)正反轉(zhuǎn)的高粘(zhān)度齒輪(lun)泵，其進(jin)出口管(guan)路上均(jun)需設置(zhì)安全閥(fá)。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(du)液體齒(chi)輪泵是(shì)輸送高(gāo)粘度液(ye)體的齒(chi)輪泵，應(yīng)做到在(zài)較低的(de)功耗、較(jiào)少的洩(xie)漏、較大(da)的壓力(li)下輸出(chu)最多的(de)流量。在(zài)确定所(suo)要輸送(song)的介質(zhi)時，應該(gāi)嚴格遵(zūn)循産品(pin)說明書(shū)上的規(guī)定，盡量(liang)使用廠(chǎng)家推🍓薦(jian)的流體(ti)介質，并(bing)注意考(kǎo)慮系統(tǒng)的工作(zuò)溫度範(fàn)圍。當希(xī)望在某(mou)一較寬(kuan)的溫度(du)範圍内(nèi)使用時(shi)，輸送介(jiè)質的粘(zhan)度指♌數(shù)應該高(gao)些。輸送(song)介質不(bú)僅是能(neng)量傳遞(di)的中介(jiè)，而💞且也(ye)是潤滑(huá)、密封及(jí)傳熱介(jiè)質。液體(tǐ)粘度過(guò)高會🔴增(zēng)加内摩(mó)擦阻力(li)，降低輸(shū)出功率(lü)，浪費能(néng)量，并産(chan)生過高(gao)的系🈲統(tong)溫度.高(gao)粘度齒(chi)輪泵的(de)出口管(guan)路上應(ying)當設置(zhì)安全閥(fá)等保護(hu)裝置，這(zhè)樣一旦(dàn)泵⛷️的出(chu)口通道(dào)發生堵(dǔ)塞，就可(ke)以打開(kai)安全閥(fa)🈚卸壓。對(duì)于需要(yào)🧑🏾‍🤝‍🧑🏼正反☔轉(zhuan)的高粘(zhan)度齒輪(lun)泵，其進(jìn)出口管(guan)路上均(jun1)需設置(zhì)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(ya)力的選(xuan)定1, select the work pressure

　　高粘(zhān)度液體(tǐ)齒輪泵(beng)額定的(de)壓力是(shi)指泵連(lián)續工作(zuo)時的最(zui)高許用(yòng)壓力，而(ér)🆚其工作(zuo)壓力則(ze)決定于(yu)外部負(fù)載，安裝(zhuang)和調試(shì)的壽命(ming)與其⭐工(gōng)作壓力(li)💃🏻直接相(xiàng)關。對于(yú)不頻繁(fan)工作的(de)齒輪泵(bèng)，其工作(zuo)壓力可(ke)取為泵(bèng)的額定(ding)壓力，考(kao)慮到産(chǎn)品質量(liàng)📧不同，最(zui)好💯将額(é)定壓力(lì)降低20%～30%使(shi)用。對于(yú)經常工(gong)作于較(jiào)高壓力(lì)下的齒(chǐ)輪泵，其(qí)工作壓(ya)力應比(bǐ)泵的額(e)定壓力(li)低1～2個壓(yā)力級。石(shi)油化工(gōng)設備常(chang)常是24小(xiao)時連續(xù)運轉，這(zhe)時泵的(de)工作壓(yā)力應該(gāi)取得比(bi)額定壓(ya)🥰力低得(de)多，且工(gōng)作轉速(su)也應該(gāi)低于額(é)定轉速(sù)。如果高(gao)粘度齒(chǐ)輪泵的(de)工作壓(yā)力調整(zhěng)過高，則(ze)會使齒(chi)輪泵在(zài)超負荷(hé)下運行(háng)。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(zhuǎn)2. Installation and commissioning

　　高粘度(dù)液體齒(chi)輪泵的(de)支座或(huo)法蘭與(yǔ)其驅動(dong)電機應(ying)采用共(gong)同的安(ān)裝基礎(chǔ)，基礎、法(fa)蘭或支(zhī)座均需(xū)具有足(zu)夠的剛(gang)度，以減(jian)小齒輪(lún)泵運轉(zhuan)時産生(shēng)的振動(dong)和噪聲(sheng)。電動機(jī)與齒輪(lun)泵須用(yòng)彈性聯(lian)軸器連(lian)接，同軸(zhou)度小于(yú)0.1毫米，傾(qīng)斜角不(bu)得大于(yu)1度。安裝(zhuāng)聯軸器(qi)時不得(de)用錘敲(qiāo)打，以免(mian)傷害齒(chǐ)輪泵的(de)齒輪等(děng)零件。若(ruo)用帶輪(lún)、鍊輪等(děng)驅動時(shí)應設托(tuo)架支☀️承(cheng)，以防✂️主(zhǔ)動齒輪(lún)軸承受(shou)徑向力(li)。緊固齒(chi)輪泵、電(diàn)動機的(de)地腳螺(luó)釘時，螺(luo)釘受力(lì)應均勻(yun)，連接可(ke)靠。用手(shou)轉㊙️動聯(lian)軸器時(shí)，應感覺(jiào)到齒輪(lun)泵能夠(gou)輕松地(dì)轉動，沒(mei)有卡緊(jǐn)等異常(cháng)現象出(chū)現，然後(hou)才可以(yi)配管。高(gāo)粘度齒(chi)輪泵的(de)吸油管(guan)道内徑(jìng)應足夠(gòu)大，并避(bì)免狹窄(zhǎi)通道或(huò)急劇拐(guai)彎、彎🏒頭(tóu)，去除不(bu)必要的(de)閥門、附(fu)件，盡可(ke)能地降(jiang)‼️低泵👈的(de)安裝高(gao)度，縮短(duǎn)吸油管(guǎn)道的長(zhang)度，以減(jian)少壓🈲力(li)損失。管(guan)接頭等(děng)元件的(de)密封要(yào)良好，以(yǐ)防止空(kong)氣侵入(ru)，從而控(kòng)制氣穴(xué)☎️與氣蝕(shi)的📐發生(shēng)。在開始(shǐ)運轉前(qian)，往齒輪(lun)泵的殼(ké)體内灌(guàn)滿待輸(shu)送的液(yè)體，便于(yu)安全動(dòng)。若環境(jing)溫度低(di)于冰💋點(diǎn)，應預先(xiān)向泵内(nèi)通入熱(rè)蒸汽，進(jìn)行預熱(re)處⛹🏻‍♀️理，然(rán)後才可(kě)啟動齒(chǐ)輪泵。齒(chi)輪泵的(de)旋轉方(fang)向要與(yu)進、出油(you)口相符(fu)。齒輪泵(bèng)若是第(di)一次運(yùn)行，或長(zhǎng)期閑置(zhi)後再使(shǐ)用，最好(hǎo)在空載(zai)或💞小負(fù)荷🔆情況(kuàng)下先跑(pǎo)合一小(xiao)時左右(yòu)。如果在(zai)跑合階(jiē)段預先(xiān)覺出異(yì)👌常溫升(shēng)、洩漏、振(zhèn)動和噪(zao)聲時，應(ying)機檢查(chá)。高粘度(du)💋泵的出(chu)口管路(lù)⛱️上還應(ying)當設置(zhì)安全閥(fá)等保護(hu)裝置，這(zhe)樣一旦(dàn)泵的出(chu)口通道(dao)發生堵(du)塞🌂，就可(ke)以打開(kāi)安全閥(fa)卸壓🐕。對(dui)于需要(yao)正反轉(zhuan)的高粘(zhan)度齒輪(lún)泵，其進(jìn)出口管(guǎn)路上均(jun)需設置(zhì)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.