高粘度齒輪泵并不(bú)能(néng)産(chǎn)生壓(yā)力，它(tā)隻(zhī)是輸出(chū)流量(liàng)。壓力低或(huò)無壓力，說明(míng)高(gāo)粘度齒 輪(lún)泵沒(méi)有吸(xī)入液(yè)體或洩漏(lòu)嚴重。high viscosity gear pump does not generate pressure, it is only the output flow.pressure is low or no pressure, high viscosity gear wheel pump don't inhale the liquid or leakage is serious.

　　電動機輸(shū)出功率偏(piān)小、齒 輪(lún)泵排量(liàng)選得過大(dà)或壓(yā)力調(diào)得過高時，也會造(zào)成壓力不(bú)足 當然(rán)，壓力(lì)表損壞(huài)或壓力表節流孔(kǒng)堵塞時也顯(xiǎn)示不出(chū)壓力(lì)，此時(shí)可換裝(zhuāng)一(yī)個新的壓(yā)力表(biǎo)檢查(chá)。small motor output power, gear wheel pump capacity to choose too large or pressure too high, can cause stress pressure gauge damage or pressure gauge orifice jams, of course, also could not show pressure, can change a new pressure gauge to check at this time.

　　如果(guǒ)确認泵無流量(liàng)輸出，可(kě)能是由于泵(bèng)安裝有誤(wù)、泵的轉向不對(duì)，或吸人側(進液口及吸液(yè)管道(dào))堵塞(sāi)、出口止回(huí)閥裝反或卡死(sǐ)了，也(yě)有(yǒu)可能是(shì)驅動軸斷裂了(le)。if confirmed that no flow pump output, could be turned to the pumps due to pump installation is wrong, wrong, or suction side (liquid into the mouth and suck liquid pipeline jam, export check valve installed backwards, or card is dead, it is possible that the drive shaft fracture.

　　高粘(zhān)度泵在轉(zhuǎn)速過低時(shí)會引(yǐn)起出液量不足(zú)，這(zhè)種現象往往(wǎng)是由于(yú)泵的驅(qū)動裝置打滑或(huò)功率(lǜ)不(bú)足所緻(zhì)。此時應檢查齒(chǐ) 輪(lún)泵的實(shí)際轉(zhuǎn)速、泵與(yǔ)電(diàn)動機的聯(lián)接及功率(lǜ)匹配(pèi)情況等。high viscosity pump in low speed can cause insufficient quantity of produced liquid, this phenomenon is often due to the slippage of the pump drive or insufficient power.check the gear wheel pump at this time of the actual speed, pump and motor connection and power matching, etc.

    高粘度泵在開始(shǐ)運轉前，往(wǎng)齒輪(lún)泵的殼體内灌(guàn)滿待(dài)輸(shū)送(sòng)的液體，便(biàn)于安全啟(qǐ)動。若環境溫度低于冰點，應預(yù)先向泵内(nèi)通入(rù)熱蒸(zhēng)汽，進(jìn)行預熱處理，然(rán)後才(cái)可啟(qǐ)動齒(chǐ)輪泵。高(gāo)粘度泵的旋(xuán)轉方向(xiàng)要與進(jìn)、出油口相(xiàng)符。齒輪泵若是第一(yī)次運行，或(huò)長期(qī)閑置後再使用(yòng)，最好在空載(zǎi)或小負荷情況下(xià)先跑合(hé)一小時左右(yòu)。如果(guǒ)在跑(pǎo)合階段(duàn)預(yù)先覺(jiào)察出異常溫升(shēng)、洩漏、振動(dòng)和噪(zào)聲時(shí)，應停(tíng)機檢(jiǎn)查。高粘(zhān)度齒輪(lún)泵的支座(zuò)或法(fǎ)蘭與其驅(qū)動電(diàn)機應采(cǎi)用共同(tóng)的安(ān)裝基礎，基(jī)礎、法蘭(lán)或支座(zuò)均需(xū)具有足夠(gòu)的剛度，以(yǐ)減小(xiǎo)齒輪泵(bèng)運(yùn)轉時産生的振(zhèn)動和(hé)噪聲(shēng)。電動機與(yǔ)齒輪泵須用彈(dàn)性聯軸器連接，同軸(zhóu)度小于0.1毫米，傾斜角不得(dé)大于(yú)1度。安裝聯(lián)軸(zhóu)器時不得用(yòng)錘敲打(dǎ)，以免傷害齒輪(lún)泵的齒(chǐ)輪等零件。若用帶輪(lún)、鍊輪(lún)等驅動時應設(shè)托架(jià)支承(chéng)，以(yǐ)防主(zhǔ)動(dòng)齒輪軸承受徑(jìng)向力。緊(jǐn)固(gù)齒輪(lún)泵、電(diàn)動機的地(dì)腳螺(luó)釘(dìng)時，螺釘(dìng)受力(lì)應均勻，連(lián)接可靠(kào)。用(yòng)手轉動聯軸(zhóu)器時，應(yīng)感覺(jiào)到齒輪泵(bèng)能夠輕松地轉(zhuǎn)動，沒有卡(kǎ)緊等(děng)異常(cháng)現象(xiàng)出現，然後才可以配管。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.

     高粘度齒輪(lún)泵的吸油管道(dào)内徑(jìng)應足夠(gòu)大(dà)，并避免狹(xiá)窄通(tōng)道或(huò)急(jí)劇拐彎、減少彎頭(tóu)，去除(chú)不必(bì)要的閥門(mén)、附件，盡可(kě)能地降低泵的安裝(zhuāng)高度，縮短(duǎn)吸油(yóu)管道(dào)的長度，以(yǐ)減少(shǎo)壓力損失(shī)。管接(jiē)頭等元(yuán)件(jiàn)的密(mì)封要(yào)良好(hǎo)，以防止(zhǐ)空氣侵(qīn)入，從(cóng)而控制氣穴與(yǔ)氣蝕的發(fā)生。止回(huí)閥(fá)與安(ān)全閥在齒(chǐ)輪泵的輸(shū)出管路上(shàng)最好安(ān)裝一個止(zhǐ)回閥(fá)。這樣在檢修泵及輸出(chū)管道時，系統中的液(yè)體(tǐ)不會發(fā)生倒流。齒(chǐ)輪泵(bèng)帶負(fù)荷停車時(shí)，亦可(kě)防止泵倒(dǎo)轉而在其輸出管道内産(chǎn)生局(jú)部真(zhēn)空(kōng)。應當注(zhù)意(yì)，出口止(zhǐ)回閥(fá)不能(néng)裝(zhuāng)反或出(chū)現卡死現(xiàn)象。高粘度泵(bèng)的出口管路(lù)上還應當(dāng)設置(zhì)安全閥等(děng)保護(hù)裝置，這樣(yàng)一旦(dàn)泵的出口通道(dào)發生(shēng)堵塞，就可(kě)以打開安(ān)全閥卸(xiè)壓。安全(quán)閥可以與泵體(tǐ)或泵蓋鑄成一(yī)體，也(yě)可以單獨(dú)裝配。對于需要正反(fǎn)轉(zhuǎn)的(de)高粘(zhān)度齒(chǐ)輪泵，其(qí)進(jìn)出口(kǒu)管路(lù)上均(jun1)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(zhān)度(dù)泵是輸(shū)送高(gāo)粘度液體(tǐ)的齒輪(lún)泵，應做(zuò)到在(zài)較低的功(gōng)耗、較少的洩漏(lòu)、較大(dà)的壓(yā)力下(xià)輸(shū)出(chū)最多的流(liú)量。在确定所要(yào)輸送的介質時(shí)，應該(gāi)嚴(yán)格(gé)遵循(xún)産品說明書上(shàng)的規定，盡(jìn)量使(shǐ)用廠家推(tuī)薦(jiàn)的流體(tǐ)介質，并注(zhù)意考慮(lǜ)系統的(de)工作溫(wēn)度範圍(wéi)。當希望在某一(yī)較寬(kuān)的溫度範圍内使用(yòng)時，輸送介(jiè)質的粘度指數(shù)應該高些(xiē)。輸送介質不僅(jǐn)是能量傳遞的(de)中介，而且也是潤滑(huá)、密(mì)封(fēng)及傳(chuán)熱介質。液體粘度過(guò)高會(huì)增加(jiā)内摩擦(cā)阻(zǔ)力，降(jiàng)低輸出功率，浪(làng)費能量，并(bìng)産生(shēng)過高(gāo)的系統溫(wēn)度.高(gāo)粘度(dù)齒輪泵的出(chū)口管路上應當設(shè)置安(ān)全閥等保護裝(zhuāng)置，這樣一旦泵(bèng)的出(chū)口通道發(fā)生堵塞，就可以打開安全(quán)閥卸(xiè)壓。對于需要正反轉(zhuǎn)的高粘度(dù)齒輪泵(bèng)，其(qí)進出(chū)口管(guǎn)路上均需(xū)設置安全(quán)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、工作壓(yā)力的選定(dìng)1, select the work pressure

　　高粘度(dù)泵額定(dìng)的壓(yā)力是指泵(bèng)連續工作(zuò)時的最高(gāo)許(xǔ)用壓力(lì)，而其工作(zuò)壓力(lì)則決(jué)定(dìng)于(yú)外部(bù)負載，安裝(zhuāng)和調(diào)試的(de)壽命與其(qí)工作(zuò)壓(yā)力直接相關。對(duì)于不頻(pín)繁工作的齒輪泵，其工作壓力(lì)可取為泵的額(é)定壓力(lì)，考慮到(dào)産品質量不同(tóng)，最好(hǎo)将額定壓(yā)力降低20%～30%使用。對(duì)于經(jīng)常工作(zuò)于(yú)較高壓(yā)力(lì)下的(de)齒輪(lún)泵(bèng)，其工作(zuò)壓力(lì)應比泵的(de)額定壓力低1～2個(gè)壓力級。石(shí)油化(huà)工設備常(cháng)常是(shì)24小時連(lián)續(xù)運轉，這時(shí)泵的工作(zuò)壓力應該取得(dé)比額(é)定壓力(lì)低(dī)得多，且工作轉速也應(yīng)該低于(yú)額定(dìng)轉速(sù)。如果(guǒ)高粘(zhān)度齒輪泵(bèng)的工(gōng)作壓力(lì)調整過(guò)高，則會使(shǐ)齒輪泵在(zài)超負(fù)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.安裝(zhuāng)與(yǔ)試運轉2. installation and commissioning

　　高粘(zhān)度泵(bèng)的支(zhī)座或(huò)法蘭(lán)與其(qí)驅動(dòng)電機應采用共(gòng)同的安裝基礎(chǔ)，基(jī)礎(chǔ)、法蘭或支(zhī)座均需(xū)具有足夠的剛度，以減(jiǎn)小齒輪泵運轉時産生的振動和噪聲(shēng)。電動機(jī)與齒(chǐ)輪泵須用(yòng)彈性(xìng)聯軸(zhóu)器連接，同軸度(dù)小于(yú)0.1毫米(mǐ)，傾(qīng)斜角不得大于(yú)1度。安裝(zhuāng)聯軸器時(shí)不得(dé)用錘敲(qiāo)打，以免(miǎn)傷害(hài)齒輪泵的(de)齒輪等零(líng)件。若(ruò)用帶(dài)輪、鍊輪等驅動時(shí)應設托架支承，以(yǐ)防主(zhǔ)動齒輪軸(zhóu)承受(shòu)徑向(xiàng)力。緊固齒輪泵(bèng)、電動機的(de)地腳(jiǎo)螺釘時(shí)，螺(luó)釘受(shòu)力應均勻(yún)，連接可靠。用手(shǒu)轉動(dòng)聯軸器時(shí)，應感(gǎn)覺到(dào)齒輪(lún)泵能夠輕(qīng)松地(dì)轉動，沒有(yǒu)卡緊等異(yì)常(cháng)現象出(chū)現，然(rán)後才(cái)可以配管。高粘度齒(chǐ)輪泵的吸油(yóu)管(guǎn)道内(nèi)徑(jìng)應足夠(gòu)大，并(bìng)避(bì)免狹窄(zhǎi)通道或急劇拐(guǎi)彎、彎(wān)頭，去除不必要的(de)閥(fá)門(mén)、附(fù)件，盡(jìn)可能地降(jiàng)低泵的(de)安裝高(gāo)度，縮短吸油管(guǎn)道的長度，以減(jiǎn)少壓力(lì)損失。管(guǎn)接頭等(děng)元件的(de)密封(fēng)要良好，以防止(zhǐ)空氣侵入(rù)，從(cóng)而控制氣穴(xué)與氣蝕(shí)的發生。在開始運轉前，往齒(chǐ)輪(lún)泵的殼(ké)體内灌滿待輸(shū)送(sòng)的液體，便于(yú)安全動(dòng)。若環境溫度(dù)低于冰點(diǎn)，應預(yù)先向(xiàng)泵内通入熱蒸汽，進(jìn)行預熱處理，然後才可啟動齒(chǐ)輪泵。齒(chǐ)輪(lún)泵的旋轉方向要與(yǔ)進、出(chū)油口(kǒu)相符(fú)。齒(chǐ)輪泵若(ruò)是第(dì)一次運行，或長期閑(xián)置後再使(shǐ)用，最(zuì)好在(zài)空載(zǎi)或小負荷情況下先(xiān)跑合一小(xiǎo)時左(zuǒ)右。如果(guǒ)在跑合(hé)階段(duàn)預先(xiān)覺出異常(cháng)溫升(shēng)、洩漏、振動(dòng)和噪(zào)聲時，應機檢查(chá)。高粘(zhān)度泵(bèng)的(de)出口管路上還應當設置(zhì)安全閥(fá)等保護(hù)裝(zhuāng)置，這樣一旦泵的出口通(tōng)道發生堵(dǔ)塞，就可以(yǐ)打開(kāi)安全閥卸壓。對(duì)于需要正反轉(zhuǎn)的高粘度(dù)齒輪(lún)泵，其進(jìn)出口管(guǎn)路上均需(xū)設置(zhì)安全閥(fá)。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.