新聞中心(xīn)
| 地址(zhǐ)： | 河北(běi)省泊頭市(shì)道東(dōng)街88号(hào) |
| 電話： | 0317-8185077 |
| 0317-8263980 | |
| 0317-8223128 | |
| 傳真(zhēn)： | 0317-8265584 |
| e-mail： | hbydby@wadir.com.cn |
公(gōng)司(sī)新聞
你所(suǒ)在位置：首頁 - - 新(xīn)聞中心 - 公(gōng)司新(xīn)聞| 輸(shū)送(sòng)改性瀝(lì)青泵用nyp110-ru-t1-w11高粘度(dù)泵(bèng)流量7.3m3/h,口(kǒu)徑80 | ||||||||||||||||||||||||||||||||||||||||||||||||
| 發(fā)布時(shí)間：2014-12-31 8:38:15 點擊次(cì)數： | ||||||||||||||||||||||||||||||||||||||||||||||||
瀝青是由不(bú)同分(fèn)子量的碳(tàn)氫化(huà)合物(wù)及其(qí)非金(jīn)屬衍生物(wù)組成的黑褐色(sè)複雜混(hùn)合物，呈(chéng)液态，是(shì)一(yī)種防水防(fáng)潮和防腐(fǔ)的(de)有機膠(jiāo)凝材料。用(yòng)于塗料、塑(sù)料、橡膠等(děng)工業(yè)以及(jí)鋪築路面(miàn)等。 asphalt is composed of different molecular weight hydrocarbons and non-metallic derivatives of dark brown complex mixture, a liquid, is a kind of waterproof and moistureproof and anticorrosive organic cementing materials.used in coatings, plastic, rubber and other industrial and paved road, etc. 中文名 瀝青chinese name asphalt cas登(dēng)錄号8052-42-4the cas login number 8052-42-4 einecs登錄号(hào)232-490-9einecs registration number 232-490-9 熔 點 485melting point 485 沸 點<470 ℃boiling point < 470 ℃< iv> 水(shuǐ)溶(róng)性不(bú)溶于水water soluble does not dissolve in water 密(mì) 度 1.15-1.25dense degree of 1.15 to 1.25 外 觀(guān)半固體或液(yè)體狀态outside view half solid or liquid state 閃(shǎn) 點204.4flash point 204.4 危險(xiǎn)性描述(shù)健康危害：中(zhōng)等(děng)毒性describe health hazard risk: medium toxicity 來 源(yuán)煤和(hé)石油to the source of coal and oil 成(chéng) 分(fèn)瀝青(qīng)質和樹脂into asphaltene and resin 含 量99.48%containing 99.48% 爆炸下(xià)限 30(g/立方(fāng)厘米)the lower explosive limit (30 g/cm3) 導(dǎo)電性(xìng)能(néng)絕緣(yuán)體(tǐ)(常(cháng)溫下)conductivity insulator (room temperature) 瀝青屬于憎水(shuǐ)性材(cái)料，它不透水，也幾乎不溶于水(shuǐ)、丙酮、乙醚、稀乙醇，溶(róng)于二(èr)硫化碳(tàn)、四氯化(huà)碳、氫(qīng)氧化(huà)鈉。瀝(lì)青及其煙(yān)氣對(duì)皮膚粘膜具有(yǒu)刺激(jī)性，有光毒(dú)作用和緻癌作用。我國三種主(zhǔ)要(yào)瀝青的毒性(xìng)：煤焦瀝青>頁岩(yán)瀝青(qīng)>石油(yóu)瀝青(qīng)，前二者有緻癌(ái)性。瀝(lì)青的(de)主要(yào)皮膚損害有：光(guāng)毒性皮(pí)炎，皮損(sǔn)限于面(miàn)、頸(jǐng)部等(děng)暴露部(bù)分(fèn)；黑變(biàn)病，皮(pí)損常對稱(chēng)分布于暴露部(bù)位，呈片狀(zhuàng)，呈褐(hè)－深褐－褐黑(hēi)色；職(zhí)業性痤瘡(chuāng)；疣狀(zhuàng)贅生物及事故(gù)引起的熱燒傷(shāng)。此外，尚有頭昏(hūn)、頭脹，頭痛、胸悶(mèn)、乏力、惡(è)心(xīn)、食欲不振(zhèn)等全身症(zhèng)狀(zhuàng)和眼 、鼻(bí)、咽部(bù)的刺激症狀。asphalt is hydrophobic material, it impermeable, almost insoluble in water, dilute ethanol, acetone, ether, soluble in carbon disulfide, carbon tetrachloride, sodium hydroxide.asphalt and flue gas of skin mucous membrane irritation, has the light effect and the effect that cause cancer.china's three major asphalt toxicity: coal tar > > oil shale asphalt asphalt, before both have carcinogenicity.the main skin lesions are: asphalt light contact dermatitis, skin confined to the face, neck and other exposed parts;melanosis, skin lesions often symmetrical distributed in the exposed parts, plate shaped, brown - deep brown - brown-black;occupational acne;verrucous vegetations and the accident cause thermal burns.in addition, there are dizziness, head bilges, headache, chest tightness, fatigue, nausea, loss of appetite and other systemic symptom and eye, nose, pharynx and irritation. 煤(méi)焦瀝(lì)青coal tar
煤(méi)焦瀝(lì)青是煉焦(jiāo)的副(fù)産品(pǐn)，即焦油蒸(zhēng)餾後(hòu)殘留在蒸(zhēng)餾釜内的黑(hēi)色(sè)物質(zhì)。它與(yǔ)精制(zhì)焦油隻是(shì)物理(lǐ)性質有分别，沒(méi)有明顯的界限，一般(bān)的劃分方(fāng)法是規定軟化(huà)點在26．7℃（立方塊法(fǎ)）以下(xià)的為焦油，26．7℃以上(shàng)的為瀝青(qīng)。煤焦瀝(lì)青(qīng)中主(zhǔ)要含有難揮發(fā)的蒽、菲(fēi)、芘(pí)等。這(zhè)些物(wù)質(zhì)具有毒(dú)性，由于這些成(chéng)分的(de)含(hán)量不(bú)同(tóng)，煤焦瀝(lì)青(qīng)的性質也因(yīn)而不同(tóng)。溫度的變化對煤焦瀝青的影(yǐng)響很大，冬季容(róng)易脆裂，夏季容(róng)易軟化(huà)。加(jiā)熱時有特(tè)殊氣(qì)味；加(jiā)熱到260℃在5小時以後，其(qí)所(suǒ)含的蒽(ēn)、菲、芘等(děng)成分就會揮發出來。coal tar is a by-product of coking, namely tar distillation residue in distillation kettle black material.it has respectively with refined tar is only physical properties, there is no clear boundaries, is the way of dividing rules softening point in commonly 26.7 ℃ (cube method) for tar, under 26.7 ℃ above for asphalt.coal tar mainly contains difficult volatilization of anthracene, phenanthrene, pyrene, etc.these substances have toxic, because the content of these compounds is different, the properties of coal tar are so different.the change of temperature has much effect on the coal tar, winter easy embrittlement, summer is easy to soften.heating from time to tome special smell;heated to 260 ℃ after 5 hours, its composition such as anthracene, phenanthrene, pyrene will evaporate. 石(shí)油瀝(lì)青asphalt 石油瀝(lì)青是原油蒸餾(liú)後的殘(cán)渣(zhā)。根據提煉程度的不同，在常溫下成液體、半(bàn)固體或(huò)固體。石油瀝青(qīng)色黑(hēi)而有光澤(zé)，具有較高(gāo)的感(gǎn)溫性。由(yóu)于它在生産過程中曾(céng)經蒸餾至400℃以上(shàng)，因而所含(hán)揮發成分甚少(shǎo)，但仍(réng)可能有高分子(zǐ)的碳(tàn)氫化(huà)合物(wù)未經揮(huī)發(fā)出來(lái)，這些(xiē)物質或多(duō)或少對(duì)人(rén)體健康是有害的。petroleum asphalt is after crude distillation residue.depending on the degree of refining, into a liquid, semi-solid or solid at room temperature.petroleum pitch dark and luster, has higher heat resistance.because it had distillation in the production process to more than 400 ℃, thus contained little volatile component, but may still have high polymer without volatile hydrocarbons, which more or less is harmful to human health. 天(tiān)然瀝青natural asphalt 天(tiān)然瀝青儲藏(cáng)在地下(xià)，有的形(xíng)成礦層(céng)或在(zài)地殼(ké)表面(miàn)堆積。這(zhè)種(zhǒng)瀝青大都經過天然(rán)蒸發、氧化，一般(bān)已不含有任(rèn)何(hé)毒素(sù)。natural asphalt storage in underground, some forming seam or piled up in the earth's crust surface.the asphalt mostly through the natural evaporation and oxidation, generally do not contain any poison. 瀝青(qīng)材料(liào)分為(wéi)地(dì)瀝青和焦油(yóu)瀝青(qīng)兩大類。地瀝青又分(fèn)為天(tiān)然瀝(lì)青(qīng)和(hé)石油(yóu)瀝青，天然(rán)瀝青是(shì)石(shí)油滲(shèn)出地(dì)表經長期暴露和蒸(zhēng)發後(hòu)的殘留(liú)物(wù)；石油(yóu)瀝青是将精制加工石油(yóu)所殘(cán)餘的渣油(yóu)，經适(shì)當的工藝處理(lǐ)後得到的産品(pǐn)。焦油瀝(lì)青是煤(méi)、木材等(děng)有機物幹餾加工所得(dé)的焦(jiāo)油經(jīng)再加(jiā)工後的産品。工(gōng)程中采用的瀝青絕(jué)大多數是(shì)石油瀝青(qīng)，石油(yóu)瀝青是複雜的(de)碳氫化(huà)合物與其非金屬(shǔ)衍生(shēng)物組成的混合(hé)物。通常瀝(lì)青閃(shǎn)點在(zài)240℃~330℃之間，燃點比閃點約高3℃~6℃度(dù)，因此(cǐ)施(shī)工溫度(dù)應控制在(zài)閃點(diǎn)以下(xià)。asphalt material divided into two categories, pitch and bitumen.asphalt is divided into natural asphalt and petroleum asphalt, natural bitumen is oil seepage surface after long exposure and evaporation residue;petroleum asphalt is a residual of residual oil will be refined processing, after appropriate processing products.bitumen is coal, wood and other organic matter carbonization processing tar after reprocessing of products.engineering used in the asphalt is the vast majority of asphalt, asphalt is a complex mixture of hydrocarbons with nonmetal derivatives.usually asphalt flash point between 240 ℃ ~ 330 ℃, flash point is higher than flash point about 3 ℃ ~ 6 ℃ degrees, so the construction temperature should be controlled below the flash point.v 輸送改性(xìng)瀝(lì)青泵在開始(shǐ)運轉前，往(wǎng)齒輪(lún)泵的殼體(tǐ)内灌(guàn)滿待輸送的液(yè)體，便(biàn)于安全啟動。若(ruò)環境(jìng)溫度(dù)低于冰點，應(yīng)預(yù)先向泵内通入熱蒸汽，進(jìn)行預(yù)熱處理，然(rán)後才(cái)可(kě)啟(qǐ)動齒輪泵(bèng)。高粘度(dù)泵(bèng)的(de)旋(xuán)轉方向要與進(jìn)、出油口相(xiàng)符。齒(chǐ)輪泵若是第一(yī)次運行，或長期(qī)閑置後再使用，最好在(zài)空載或(huò)小負(fù)荷情況下(xià)先跑合一(yī)小時(shí)左右。如果(guǒ)在跑(pǎo)合階段(duàn)預先覺察出(chū)異常溫升(shēng)、洩漏、振動和噪聲時，應停機檢(jiǎn)查。高粘度(dù)齒輪(lún)泵的支座或法(fǎ)蘭與其驅(qū)動電機應采(cǎi)用共同(tóng)的安裝基(jī)礎，基(jī)礎、法蘭或支座(zuò)均需具有(yǒu)足夠的剛度(dù)，以(yǐ)減小齒輪泵(bèng)運轉時(shí)産生(shēng)的振動和(hé)噪聲(shēng)。電動機與齒輪泵須(xū)用(yòng)彈(dàn)性聯軸(zhóu)器連接，同軸度小于0.1毫(háo)米，傾斜(xié)角不得(dé)大(dà)于1度。安裝聯(lián)軸器時不(bú)得用錘敲打(dǎ)，以(yǐ)免傷(shāng)害齒輪(lún)泵的齒輪等(děng)零件。若用(yòng)帶輪、鍊輪等驅動時應設托架(jià)支承，以防(fáng)主動齒輪軸(zhóu)承受徑(jìng)向力(lì)。緊固齒輪泵、電(diàn)動機的地(dì)腳螺(luó)釘時(shí)，螺釘受力應均勻，連(lián)接可靠。用手轉(zhuǎn)動聯軸器時，應(yīng)感覺到齒輪泵能夠輕松(sōng)地轉(zhuǎn)動，沒(méi)有卡(kǎ)緊等(děng)異常現(xiàn)象(xiàng)出現(xiàn)，然後(hòu)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. 輸(shū)送(sòng)改性瀝(lì)青泵的吸油(yóu)管道内徑應足夠(gòu)大，并避免(miǎn)狹窄通道(dào)或急劇拐(guǎi)彎、減(jiǎn)少彎頭，去(qù)除不必(bì)要的閥(fá)門、附件(jiàn)，盡(jìn)可能(néng)地降低(dī)泵的安(ān)裝高(gāo)度，縮(suō)短吸(xī)油管道的長度(dù)，以減(jiǎn)少(shǎo)壓力損失。管接頭等元(yuán)件的密(mì)封要良好，以防止空氣(qì)侵入，從而控制氣穴與氣蝕(shí)的(de)發生。止(zhǐ)回(huí)閥與(yǔ)安全(quán)閥(fá)在齒輪(lún)泵的輸(shū)出管路(lù)上最好安(ān)裝一(yī)個止回閥(fá)。這樣(yàng)在檢修泵及輸(shū)出管(guǎn)道時，系統(tǒng)中的(de)液體不會(huì)發生倒流。齒輪(lún)泵帶負荷停(tíng)車(chē)時，亦可防(fáng)止泵倒轉而(ér)在其輸(shū)出管(guǎn)道内(nèi)産生(shēng)局(jú)部真空。應當(dāng)注意，出口止回閥不能(néng)裝反或(huò)出現卡(kǎ)死現象。高粘(zhān)度泵的出(chū)口(kǒu)管路上還應(yīng)當設置安全閥(fá)等保護裝(zhuāng)置，這(zhè)樣一(yī)旦泵的出口通道(dào)發生堵(dǔ)塞，就(jiù)可以打開(kāi)安全閥卸壓。安(ān)全閥(fá)可以(yǐ)與泵(bèng)體或泵蓋鑄成(chéng)一體(tǐ)，也(yě)可(kě)以單(dān)獨裝配。對于需(xū)要正反轉的(de)高粘度齒輪泵，其進出(chū)口(kǒu)管路上(shàng)均需設置安全閥。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. 輸送改性瀝(lì)青泵(bèng)是輸送(sòng)高(gāo)粘度(dù)液體的齒(chǐ)輪泵，應做到在(zài)較低(dī)的功耗、較(jiào)少的洩漏、較大的壓(yā)力下輸出(chū)最多的流(liú)量。在确定所(suǒ)要(yào)輸送(sòng)的介(jiè)質時，應該嚴格(gé)遵循産品(pǐn)說明書上的規(guī)定，盡量(liàng)使用廠(chǎng)家推薦(jiàn)的流體(tǐ)介質(zhì)，并注意考慮系(xì)統(tǒng)的工作(zuò)溫度範(fàn)圍(wéi)。當希(xī)望在某(mǒu)一(yī)較寬(kuān)的溫(wēn)度(dù)範圍内(nèi)使用(yòng)時，輸送介質的粘度指數(shù)應該(gāi)高(gāo)些(xiē)。輸送(sòng)介質(zhì)不僅(jǐn)是能(néng)量傳遞的(de)中介，而且也是潤滑(huá)、密封及傳(chuán)熱介(jiè)質。液體(tǐ)粘(zhān)度過(guò)高會增加(jiā)内摩(mó)擦阻(zǔ)力，降低輸(shū)出功率，浪(làng)費能(néng)量，并産生過高(gāo)的系統溫(wēn)度(dù).高(gāo)粘度齒輪泵的(de)出口管(guǎn)路上應當設(shè)置安(ān)全閥(fá)等保護裝(zhuāng)置，這(zhè)樣一旦泵(bèng)的出(chū)口通道發(fā)生堵塞，就(jiù)可以(yǐ)打開(kāi)安全閥卸(xiè)壓。對(duì)于需要正反轉(zhuǎn)的高粘度齒輪(lún)泵，其(qí)進出口管(guǎn)路上均需設置安全(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1, select the work pressure 輸送(sòng)改性瀝青(qīng)泵額(é)定的(de)壓(yā)力(lì)是指泵連續(xù)工(gōng)作時(shí)的最(zuì)高許用壓(yā)力，而其工作壓(yā)力則決定于外(wài)部負(fù)載，安裝和(hé)調試的壽命與(yǔ)其工(gōng)作壓力直接相關(guān)。對于不(bú)頻繁工作的齒(chǐ)輪泵(bèng)，其工(gōng)作壓力可取(qǔ)為泵的(de)額定壓力，考慮到産(chǎn)品質量不(bú)同，最好(hǎo)将額定壓力降低20%～30%使用。對于經常工作(zuò)于較(jiào)高壓力下(xià)的齒輪泵(bèng)，其工作壓(yā)力應比泵的額定壓力低1～2個壓力級。石油(yóu)化工設備(bèi)常常是24小時連續運(yùn)轉，這時泵(bèng)的工(gōng)作壓(yā)力應該取(qǔ)得比額(é)定壓力(lì)低得(dé)多，且工作轉(zhuǎn)速也應(yīng)該低(dī)于額(é)定轉速(sù)。如(rú)果高粘度齒輪泵的(de)工(gōng)作壓力(lì)調整過高(gāo)，則會(huì)使齒(chǐ)輪泵在超(chāo)負荷(hé)下(xià)運(yùn)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 輸(shū)送改(gǎi)性(xìng)瀝青泵的支座或法蘭(lán)與(yǔ)其(qí)驅動(dòng)電機(jī)應采(cǎi)用共同的(de)安裝(zhuāng)基礎(chǔ)，基礎、法蘭(lán)或支座均(jun1)需具有(yǒu)足(zú)夠的(de)剛度(dù)，以減小齒(chǐ)輪泵(bèng)運轉(zhuǎn)時産生的振動和噪(zào)聲。電動機與齒(chǐ)輪泵須用彈性(xìng)聯軸器連(lián)接，同(tóng)軸度(dù)小(xiǎo)于0.1毫米(mǐ)，傾斜角不(bú)得大(dà)于1度。安裝聯軸(zhóu)器時不得用錘(chuí)敲(qiāo)打(dǎ)，以免傷害(hài)齒輪泵的齒輪(lún)等零件。若(ruò)用帶(dài)輪、鍊輪等驅動時應(yīng)設(shè)托架支(zhī)承，以防(fáng)主動齒(chǐ)輪軸(zhóu)承受徑向(xiàng)力。緊固齒(chǐ)輪泵(bèng)、電動機的地腳(jiǎo)螺釘時，螺釘受力(lì)應(yīng)均(jun1)勻，連接(jiē)可靠。用手(shǒu)轉動(dòng)聯軸器時(shí)，應感覺到齒(chǐ)輪(lún)泵能夠輕松地轉動(dòng)，沒有卡緊等異(yì)常現象出現，然(rán)後才(cái)可以(yǐ)配管(guǎn)。高粘度(dù)齒輪泵(bèng)的吸油管(guǎn)道内(nèi)徑應足夠大，并(bìng)避免(miǎn)狹窄通道(dào)或急劇拐彎、彎(wān)頭，去除(chú)不(bú)必要(yào)的閥(fá)門、附件，盡可(kě)能地降低泵(bèng)的安裝(zhuāng)高度(dù)，縮(suō)短吸油管道的(de)長度，以(yǐ)減少壓力損(sǔn)失。管(guǎn)接頭(tóu)等(děng)元件的密封(fēng)要良好，以(yǐ)防止空氣侵入，從而控制氣穴與氣(qì)蝕的(de)發生。在開始運轉前，往齒(chǐ)輪泵(bèng)的(de)殼體内灌滿待輸送的(de)液體(tǐ)，便于安全(quán)動。若(ruò)環境(jìng)溫度低(dī)于冰(bīng)點(diǎn)，應預(yù)先向(xiàng)泵内通(tōng)入(rù)熱蒸汽，進(jìn)行預熱處理，然(rán)後才(cái)可啟動齒輪泵(bèng)。齒輪泵的(de)旋轉方向(xiàng)要與進、出(chū)油口相(xiàng)符(fú)。齒輪泵若是第一次(cì)運行，或(huò)長期閑(xián)置後再使(shǐ)用，最(zuì)好在空載或小(xiǎo)負荷情況下先(xiān)跑合一小(xiǎo)時左(zuǒ)右。如(rú)果在(zài)跑合(hé)階段(duàn)預先(xiān)覺出異常溫升、洩漏(lòu)、振動和噪(zào)聲時(shí)，應機檢(jiǎn)查。高粘(zhān)度泵的出口管路上還應(yīng)當設(shè)置安全(quán)閥等保(bǎo)護裝(zhuāng)置，這(zhè)樣一(yī)旦泵的(de)出(chū)口通(tōng)道發生堵(dǔ)塞，就(jiù)可(kě)以(yǐ)打(dǎ)開(kāi)安全(quán)閥卸壓。對于需(xū)要正反轉(zhuǎn)的高粘度(dù)齒(chǐ)輪泵，其(qí)進出(chū)口管路上均(jun1)需(xū)設置(zhì)安全(quán)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.
|
版權(quán)所有：思旺晶茂集團有限公司 電(diàn)話(huà)：0317-8183535
傳真:0317-8265584 e-mail:hbydby@wadir.com.cn備案号：冀icp05010751号-3
傳真:0317-8265584 e-mail:hbydby@wadir.com.cn備案号：冀icp05010751号-3