●高粘度液(yè)體齒輪泵在(zai)開始運轉前(qián)，往齒輪泵的(de)殼體内灌滿(mǎn)待輸送的液(ye)體，便于安全(quán)啟動。若環境(jìng)溫度低于🌈冰(bing)點，應預先向(xiàng)泵内通入熱(rè)蒸汽，進行預(yu)熱處理，然後(hou)才可啟動齒(chi)輪泵。高粘度(dù)泵的旋轉方(fang)向要與進、出(chu)油口相符。齒(chǐ)輪泵若是第(dì)一次運行，或(huò)長期閑置後(hòu)再使用，最好(hao)在空載或小(xiao)負荷情況下(xià)先跑合一小(xiǎo)時左右。如果(guo)在跑合階段(duan)預先覺察出(chu)異常溫升、洩(xiè)漏、振動和噪(zào)聲時，應停機(ji)檢查。高粘度(du)齒輪泵的支(zhi)座或法蘭與(yu)其驅動電機(ji)應采用共同(tóng)的安裝基礎(chu)，基礎、法蘭或(huo)支座均需具(jù)有足夠的剛(gang)度，以減小齒(chi)輪泵運轉時(shí)産生的振動(dong)和噪聲。電動(dòng)機與齒輪泵(bèng)須用彈性聯(lián)軸器連接，同(tóng)軸度小于0.1毫(háo)米，傾斜角不(bu)得大于1度。安(an)裝聯軸器時(shi)不得用錘敲(qiao)打，以免傷害(hai)齒輪泵的齒(chi)輪等零件。若(ruò)用帶輪、鍊輪(lún)等驅動時應(ying)設托架支☎️承(chéng)，以防😄主動齒(chi)輪軸承受徑(jìng)向力。緊固齒(chǐ)輪泵、電動機(ji)的地腳螺釘(ding)時，螺釘受力(li)應均勻，連接(jie)可靠。用手轉(zhuan)🌏動🔞聯軸器時(shí)，應感覺到齒(chi)輪泵能夠輕(qing)松地轉動，沒(mei)有卡緊等異(yì)常現象出現(xiàn)，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(dù)液體齒輪泵(bèng)的吸油管道(dào)内徑應足夠(gou)大，并避免狹(xia)窄通道或急(jí)劇拐彎🌈、減🐇少(shao)彎頭，去除不(bú)必要的閥門(men)、附件，盡可能(néng)地降低泵的(de)安裝高度，縮(suō)短吸油管道(dao)的長度，以減(jiǎn)少壓力損失(shī)。管🌍接頭等元(yuan)件的密封要(yào)良好，以防止(zhi)🌈空氣侵入，從(cong)而控制🚩氣穴(xué)與氣🌈蝕的發(fā)生。止回閥與(yu)安全閥在齒(chi)輪泵的輸出(chū)管路上最好(hao)安裝一個止(zhǐ)回閥。這樣在(zài)檢修♉泵及輸(shū)出管道時，系(xi)統中的液體(ti)不會發生倒(dao)流。齒輪泵帶(dài)負荷停車時(shí)，亦可防止泵(bèng)倒轉而在其(qi)輸出管道内(nèi)産生局部真(zhēn)空。應當注意(yì)，出口止回閥(fá)不能裝反或(huo)出現卡死現(xiàn)象。高❗粘度泵(beng)的出口管路(lù)上還應當設(shè)置安全閥等(děng)保護裝置，這(zhe)樣一旦泵的(de)出口通道發(fa)生堵塞，就可(kě)以打開安全(quan)閥卸壓。安全(quan)閥可以與泵(beng)體或泵蓋鑄(zhu)成一體，也可(kě)以單獨裝配(pèi)。對于需要正(zhèng)反轉的高粘(zhān)度齒輪泵，其(qi)進出口管路(lu)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(zhān)度液體齒輪(lún)泵是輸送高(gāo)粘度液體的(de)齒輪泵，應做(zuo)到在較低的(de)功耗、較少的(de)洩漏、較大的(de)壓力下輸出(chū)最多的流量(liàng)。在确定所要(yào)輸送的介質(zhì)時，應該嚴格(ge)遵循産品☁️說(shuo)明書上的規(gui)定，盡量使用(yong)廠家推薦的(de)流📐體介質，并(bing)注意考慮系(xi)統的工作溫(wen)度範圍。當希(xi)望在某一較(jiào)寬的溫度範(fan)💋圍内使用時(shi)，輸送介質的(de)粘度指🌏數應(yīng)該高些。輸送(song)介質不僅是(shì)能量傳🧑🏽‍🤝‍🧑🏻遞的(de)中介，而且也(ye)是潤滑、密封(fēng)及傳熱介質(zhi)。液✏️體粘度過(guò)高會增加内(nèi)摩擦阻力，降(jiàng)低輸出功率(lü)，浪費能🌈量💃，并(bìng)産生過高的(de)系🎯統溫度.高(gao)粘度齒輪泵(bèng)的出口管路(lu)上應當設置(zhi)安全閥等保(bao)護裝置，這樣(yang)一旦泵的‼️出(chū)🧑🏾‍🤝‍🧑🏼口通道發生(shēng)堵塞，就可以(yi)打開安全閥(fá)卸壓。對于需(xu)要正反轉的(de)高粘度齒輪(lún)泵，其進出口(kou)管路上均需(xu)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(de)選定1, select the work pressure

　　高粘度(du)液體齒輪泵(bèng)額定的壓力(li)是指泵連續(xù)工作時的最(zuì)高許用壓力(lì)，而其工作壓(ya)力則決定于(yú)外部負載，安(an)裝和調試的(de)壽命與其工(gong)作壓力直接(jiē)相關。對于不(bú)頻繁工作的(de)齒輪泵，其工(gong)作壓力可取(qu)為泵的額定(dìng)壓力，考慮到(dao)産品質量不(bu)同🥰，最好将額(e)定壓力降低(di)20%～30%使用。對于經(jing)常工作于較(jiao)高壓力下的(de)齒輪泵，其工(gong)作壓力應比(bǐ)泵的額定壓(ya)力低1～2個壓力(lì)級。石油化工(gōng)設備常常是(shi)24小時連續運(yun)轉，這時泵的(de)工作壓力應(yīng)該取得比額(e)定壓力低得(de)📧多，且工作轉(zhuǎn)速也應該低(dī)于額定轉速(su)。如果高粘度(du)齒輪泵的工(gong)作壓力調整(zheng)過高，則會使(shi)齒輪泵在超(chāo)負荷下運行(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.安裝與試運(yun)轉2. Installation and commissioning

　　高粘度液(yè)體齒輪泵的(de)支座或法蘭(lan)與其驅動電(diàn)機應采用共(gong)同的安裝基(ji)礎，基礎、法😘蘭(lán)或支座均需(xu)具有足夠的(de)剛度，以減小(xiǎo)齒輪泵運轉(zhuan)時産生的振(zhèn)動和噪聲。電(dian)動機與齒輪(lún)泵須用彈性(xing)聯軸器連接(jiē)，同軸度小于(yu)0.1毫米，傾斜角(jiao)不得大于1度(dù)。安裝聯軸器(qi)時不得用錘(chui)敲打，以免傷(shang)害齒輪泵的(de)齒輪等零件(jiàn)。若用帶輪、鍊(lian)輪等驅動時(shi)應設托架支(zhi)承，以防主動(dòng)齒輪軸承受(shou)徑向力。緊固(gu)齒輪泵、電動(dong)機的地腳螺(luó)釘時，螺釘受(shòu)力應均勻，連(lian)接可靠。用手(shou)轉⛹🏻‍♀️動聯軸器(qi)時，應感覺到(dào)齒輪泵能夠(gòu)輕松地轉動(dong)，沒有卡緊等(děng)異常現象出(chu)現，然後才可(kě)以✌️配管。高粘(zhān)度齒輪泵的(de)吸油管道内(nei)徑應足夠大(da)，并避免狹窄(zhai)通道或急劇(jù)拐彎、彎頭，去(qu)除不必要的(de)閥門、附件，盡(jin)可能地降🌈低(dī)泵的安裝高(gāo)度，縮短吸油(you)管道的長度(dù)，以減少壓力(lì)損失。管接頭(tou)等元件的密(mi)封要良好，以(yi)防止空氣侵(qin)入，從而控制(zhi)氣穴與氣蝕(shi)的發生。在開(kāi)始運轉前，往(wang)齒輪泵的殼(ke)體内灌滿待(dai)輸送的液體(tǐ)，便于安全動(dong)。若環境溫度(dù)💋低于冰點，應(ying)預先向泵内(nèi)通入熱蒸汽(qì)，進行預♍熱處(chu)理，然後才可(kě)啟動齒輪泵(bèng)。齒輪泵的旋(xuan)轉方向要與(yǔ)進、出油口相(xiàng)符。齒輪泵若(ruo)是第一次運(yun)行，或長期閑(xián)置後再使用(yòng)，最好在空載(zǎi)或小負荷👉情(qíng)況下先跑合(hé)一小時左右(yòu)。如果在跑合(hé)階段預先覺(jiao)出異💚常溫升(shēng)、洩漏、振動和(hé)噪聲時，應機(jī)檢查。高粘度(du)泵的出口管(guan)路上還應當(dang)設置安全㊙️閥(fá)等保護裝置(zhi)，這樣一旦泵(beng)的出口通道(dào)發生堵塞，就(jiù)可以打開安(ān)全閥卸壓。對(duì)于需要正📐反(fǎn)轉的高粘度(du)齒輪泵，其進(jìn)出口管路上(shang)均需設置安(ān)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.