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外文翻譯
專 業(yè) 過程裝備與控制工程
學(xué) 生 姓 名 楊 連 明
班 級 B 裝備 031
學(xué) 號 0310140120
指 導(dǎo) 教 師 葛 友 華
HOROMILL的性能評定
Gerard Marchal
楊 連 明譯(刪節(jié))
摘 要：FCB的粉碎顧問對使用4年以后的HOROMILL進(jìn)行了一次使用狀況的評定。
關(guān)鍵詞：HOROMILL；評定 ；粉磨
1、概述
自從最初建立以來4年中，F(xiàn)CB的粉碎顧問評估了Horomill的成績。
1998年3月1日 上午12點(diǎn),Gerard Marchal顧問及其同伴對Horomill的使用性能進(jìn)行了次評定。
自從1993年VDZ首次申請工業(yè)運(yùn)用磨機(jī)的出現(xiàn)，世界各國的工廠都開始安裝這樣的組合?，F(xiàn)在我們通過一系列的申請終于有機(jī)會來評估一下它的成績。
料床擠壓粉磨這個原則經(jīng)常被提出，所以這篇文章的目的不是提出機(jī)器的另一種描述，而只是最簡要的大概敘述。Horomill是在基于料床擠壓粉磨的原則，其中一個筒體由傾斜的滑履支撐，并且以超臨界轉(zhuǎn)速旋轉(zhuǎn)。在內(nèi)殼里面，一個水利滾筒在磨床上面施加壓由壓輥向物料層施加壓力，從而使材料與筒體以同樣的速度旋轉(zhuǎn),并粘附在筒體上面。由刮料裝置將物料刮下并進(jìn)入導(dǎo)料裝置，使這些材料貼在殼的表面進(jìn)行碾壓，同時調(diào)整殼內(nèi)材料的運(yùn)作。 材料在離開磨機(jī)之前已經(jīng)被碾壓過好幾次,并經(jīng)過TVS分離器的分離。
在CEMENTI BUZZI和ITALY的協(xié)助下，90 年代早期產(chǎn)生的法國FCB公司及其代表產(chǎn)品HOROMILL，2001年已經(jīng)并逐漸發(fā)展成為擁有15種成功運(yùn)轉(zhuǎn)的機(jī)型和6個新的組件。按照料床擠壓原理，HOROMILL能提供各種水泥生產(chǎn)企業(yè)的粉磨需求，比如入磨粒度，礦渣粉磨，并且比普通的球磨系統(tǒng)節(jié)能35％－80％。另外，HOROMILL 的另一個顯著優(yōu)點(diǎn)是結(jié)構(gòu)緊湊 占地面積小 可操作性強(qiáng)、容易維護(hù)和保養(yǎng)。
表格1和2展現(xiàn)了目前正在使用Horomill的一些工廠以及一些典型的結(jié)果。我們可以非常清楚的看出與傳統(tǒng)的解決方法相比，哪種消耗能量比較低。 對于1和2兩種型號的水泥，磨機(jī)消耗大約14-19千瓦/小時每噸。而工廠輔助用具的消耗普遍大約在5-7千瓦/小時每噸。
從第一個工廠的試驗(yàn)結(jié)果，得出了一下幾點(diǎn)：
1、對基于料床擠壓粉磨的系統(tǒng)而言，純石膏中水泥的需求必然等于或者高于普通的管狀磨機(jī)（從0%到1%，更甚至于到3%，和開放電路的磨機(jī)相比最多3％）
2、在參數(shù)相同式， 當(dāng)考慮到攪拌機(jī)或者混凝土?xí)r，這些典型的磨機(jī)特征便對結(jié)果沒有什么影響了，那些參數(shù)便和那些管狀磨機(jī)的差不多了。舉例來說，從對某國將HOROMILL用于礦渣粉磨的統(tǒng)計數(shù)據(jù)來看，Horomill在無熟料磨機(jī)上面的運(yùn)用展示出混凝土的需求量大約是250KG每方米，在來自其它用管狀磨機(jī)的工廠顯示大約200-210KG每立方米。（平均205立方米）。
3 、同樣的，，在Horomill里，帶水泥的混凝土設(shè)置時間大約從最初的320最后設(shè)置的450分鐘。球狀磨機(jī)的價值大約在最初300-320，最后465分鐘。
上述使得HOROMILL與傳統(tǒng)的磨機(jī)有很大的區(qū)別，這些都確認(rèn)了Horomill允許‘非外地’的水泥的磨機(jī)通過和統(tǒng)的機(jī)器很相似。很顯然，水需求量的不同由于水泥的純度。但是由于沒有物理方面的相關(guān)，每個人除了歐洲大家都忽視了這一點(diǎn)。
2、Horomill粉磨系統(tǒng)
筒輥磨的工作原理與其他粉碎機(jī)械的工作原理不同，筒輥磨是應(yīng)用料層粉碎原理工作的，由進(jìn)料裝置、粉磨帶和卸料裝置二部分組成。它的新工藝巧妙地結(jié)合了球磨和輥壓磨的基本思路，利用中等壓力，使物料由一次喂入設(shè)備內(nèi)而實(shí)現(xiàn)多次擠壓粉磨。如圖1所示，被磨物料由入料口下落在一水平回轉(zhuǎn)的圓柱形筒體內(nèi)，受離心力作用平布于由圓柱形筒體內(nèi)表而構(gòu)成的磨床的中端，隨著筒體的回轉(zhuǎn)運(yùn)動進(jìn)入磨床和其上方磨輥構(gòu)成的擠壓通道內(nèi)，磨輥依靠液壓系統(tǒng)向磨床上的被磨物料施加壓力并借助擠壓力引起的摩擦作用被動地回轉(zhuǎn)運(yùn)動，物料在擠壓通道內(nèi)完成一次粉磨作業(yè)后被提升并經(jīng)由導(dǎo)料裝置實(shí)現(xiàn)向磨機(jī)出口方向的運(yùn)動，接受下一次擠壓粉磨作用。經(jīng)過多次擠壓粉磨機(jī)后的物料離少下磨床，從出料口排出磨機(jī)。
筒輥磨粉磨系統(tǒng)一般可分為二種基本型式:預(yù)粉磨型式、棍合粉磨型式、終粉磨型式。一般來說，前兩種主要用于己有粉磨系統(tǒng)的技術(shù)改造，第二種主要用于新建粉磨系統(tǒng)。在實(shí)踐中，粉磨工藝系統(tǒng)的選擇是多種多樣的，主要取決于用戶的要求，如預(yù)期的生產(chǎn)能力、原材料的類型、產(chǎn)品的特性、設(shè)備的能力和狀況、投資預(yù)算、能耗費(fèi)用等，以及筒輥磨在操作時對物料的要求，如物料粒度、粘性等，如圖6所示的粉磨系統(tǒng)的應(yīng)用目前還限于對粉體微觀形貌要求小嚴(yán)的粉磨，如生料、煤、原礦。目前，根據(jù)實(shí)踐經(jīng)驗(yàn)和具體條件，使得物料流向合理和設(shè)備配置合理，考慮到能耗費(fèi)用等囚素，從而構(gòu)成的筒輥磨備種粉磨工藝流程，可以大致歸納為從圖2到圖6的幾種常見形式。
從圖所示的粉磨工藝系統(tǒng)流程中可以看出，筒輥磨粉磨系統(tǒng)具有如下幾方而特點(diǎn):
(1)備種工藝流程形式上雖備小相同，但組成單元相同，筒輥磨是整個粉磨系統(tǒng)的關(guān)鍵組成部分。
(2)形式上的差異，主要是物料流向的差異。預(yù)粉磨型式是通過筒輥磨的物料全部進(jìn)球磨機(jī)，棍合粉磨型式是從筒輥磨出來的產(chǎn)品和球磨機(jī)出料中的合格細(xì)粉由選粉機(jī)選出進(jìn)入成品庫，部分粗料返回筒輥磨:終粉磨型式是全部粗料返回筒輥磨，系統(tǒng)中無球磨機(jī)存在。
(3)備組成組元在現(xiàn)場都相隔一定的距離，要考慮用戶要求確定具體粉磨系統(tǒng)工藝流程。
最后，Horomill磨機(jī)的結(jié)果管狀磨機(jī)相比是一樣的。這些不同點(diǎn)是由第三代的分析家發(fā)現(xiàn)的，給了更多的Rosin傾斜。并開始被使用，導(dǎo)致了更多的水需求在純水泥的要求上。第三代分析家的水泥很好，及時其體積和老一代工廠的水泥是不一樣的。
在開始粉磨階段，許多顧客都對此新機(jī)制持懷疑態(tài)度。因?yàn)樵S多人不懂這些濕料在沒有空氣去除機(jī)的情況下，是怎么被去除的。然而，意大利人作了量的測試以及墨西哥人的工業(yè)測試顯示出Horomill 能夠高效的烘干物料,并達(dá)到使其達(dá)到很高的濕度標(biāo)準(zhǔn)。并且相關(guān)原則也容許原材料的高效磨機(jī)。
Moctezuma Tepezingo現(xiàn)在正在使用Horomill既做水泥也做原材料的磨，原材料的結(jié)果可以在表格中看見。在這些結(jié)果的基礎(chǔ)上,以及上面三個認(rèn)證結(jié)果以及試運(yùn)轉(zhuǎn)以后，另一個生產(chǎn)商Galadari in Pakistan 也打算磨原材料和水泥。
申請在接踵邇而來隨著1993年的展覽，這個機(jī)器的第一個代理是海德堡的一個分公司，他為它的法國的一個公司Faulquemont訂購。這個磨機(jī)現(xiàn)在12石膏在布萊恩。磨機(jī)能在 5500 Blaine下以12 mtph研磨硬石膏。且耗電量比以前降了三分之二。
經(jīng)過深思熟慮過石膏之后，Maxit又為Krolpa (Thuringen)訂購了一臺40-mtph的磨機(jī)。將會在1998年中旬正式運(yùn)作。許多石膏供應(yīng)商對Horomill表示了興趣，目前已經(jīng)有兩個磨機(jī)被訂購了，其中一臺計劃1998年年初開始使用。表格5中的曲線表示Horomill磨不同產(chǎn)品的結(jié)果，代替部分由KW來表示，用管狀磨機(jī)的部分可以用Horomill來代替。下圖的曲線來自不同產(chǎn)品的 Horomill 研磨的結(jié)果。
結(jié)論 ：1. 該項(xiàng)技術(shù)成熟可靠，設(shè)備運(yùn)轉(zhuǎn)平穩(wěn)，振動噪音比較小，設(shè)備維護(hù)方便易于操作，Horomoll粉磨系統(tǒng)有較高自動化水平，設(shè)備起動程序簡便。
2. 該磨機(jī)系統(tǒng)做為終粉磨系統(tǒng)主機(jī)設(shè)備少，工藝流程簡單，布置方便。
3. 水泥粉磨電耗低，，使得電的使用率非常高。
4. 使用Horomoll粉磨機(jī)以及管狀機(jī)去磨個中水泥，工作顯示正常。
5. 隨著與法國FCB公司技術(shù)合作的進(jìn)一步深入,設(shè)備制造的國產(chǎn)化率可逐步擴(kuò)大，該系統(tǒng)中FCB公司外部配套設(shè)備如電機(jī)和潤滑系統(tǒng)，并且逐漸把國內(nèi)的設(shè)備也用到那個體系中。亦有逐步轉(zhuǎn)化國產(chǎn)設(shè)備的可能。
Milling:FCB's comminution adviser assesses the performance of the Horomill in the four years since the original installation
Mar 1, 1998 12:00 PM
Gerard Marchal
Since the presentation at the 1993 VDZ Congress of the first industrial application of the mill, many units have been installed at plants around the world, and we now have the opportunity to assess its performance in a variety of applications.
The principle has been presented so often that it is not the purpose of this article to put forward another description of the machine other than the briefest outline. Horomill is based on the particle bed compression principle of energy saving in which a shell, supported by slide shoes, rotates at a hypercritical speed. Inside the shell, a hydraulic roller exerts a pressure on the grinding bed, often causing material to become attached to the inner face of the shell by hypercritical shell speed. Scrapers are employed to remove this material, which then falls onto a diverting system, which pushes the material against the shell face for regrinding and adjusts the motion of this material inside the mill. The material is ground several times before leaving the mill and being classified by a high-efficiency TSV classifier.
Tables 1 and 2 show which plants are currently operating the Horomill and the typical results. It is clear that the specific energy is low compared to conventional solutions, with the mill consumption for type 1 and type 2 cements being in the range 14 to19kWh per ton (at motor terminals), and the plant auxiliaries consumption generally being from 5 to 7kWh per ton.
The results obtained on the first plants to be commissioned are plotted on Table 3, and give rise to the following points:
* For material bed grinding machines, the water demand of cement on pure paste is equal to or higher than the value found for ordinary tube mills (from 0% to 1%, more rarely to 3%, when compared to open circuit mills).
* This typical mill feature has no influence on the results when considering mortar or concrete, where the parameters are similar to those of tube mills. For example, statistics from one of the countries where the Horomill is being used for clinker grinding show that water demand for concrete was about 205 kg per m3 when cement coming from other plants employing tube mills showed water demands of between 200 and 210 kg per m3. (Average 205 kg per m cubed).
* Similarly, setting times for concrete made with cement ground in the Horomill were about 320 minutes for initial and 450 minutes for final setting. Values for ball mills ranged from 300 to 320 minutes for initial and 405 to 465 minutes for final.
This confirms that the Horomill allows the milling of "non-exotic" cement in a similar manner to conventional machines.
2, the Horomill powder whet system
The work principle that the tube Gun whet with other smash mechanical work principle a dissimilarity, the tube Gun whet is application anticipate a layer to smash a principle work of, from enter anticipate device, powder to whet to take and unload to anticipate to equip two part constitute.It of the new craft skillfully combined ball to whet with the Gun press grinding basic way of thinking and make use of medium etc. pressure, make material from feed equipments but realization at a time to for many times squeeze powder to whet.Such as figure 1 show, is whetted a material from go into anticipate a people whereabouts in a level the turn-over of the cylinder form tube body, be subjected to leave the mental exertion function even cloth in from the cylinder form tube form inside the body but composing of grinding machine of in carry, along with the turn round of tube body exercise into grinding machine with it above whet Gun to constitute of squeeze inside passage, whet Gun to depend on a liquid to press system toward grinding machine of is whetted a material to bring pressure and ask for help of to squeeze dint to cause of rub a function passively the turn-over exercise, material at squeeze inside passage complete a powder whet homework after drive promote combine through lead anticipate equip realization to whet machine export direction of exercise, accept next time squeeze powder whet a function.Squeeze powder through many times to whet machine behind of the material leave to descend the grinding machine less and anticipate to eject to whet machine from.
Tube Gun's whetting powder to whet system generally can is divided into two kinds of basic patterns: prepare powder to whet pattern, stick to match powder to whet pattern, eventually the powder whet pattern.Generally speaking, two kinds of ex- technique reformations which mainly used for privately owned powder to whet system, the second mainly used for to lately set up powder to whet system.In the fulfillment, powder grinder the choice of the skill system be mainly varied, be decided by customer's request, such as expectation of ability and condition of the characteristic, equipments of the type, product of production ability, original material, invest budget and can waste to use etc., and the tube Gun whet while operate to the request of material, such as material grain degree, glue sex etc., such as figure 6 show of the powder whet the application of system also is limited by to request small strict powder to whet to the powder body tiny view facial look so far, if living to anticipate, coal, original mineral.Currently, according to practice experience and concrete condition, make the material fly to reasonable and equipments to install reasonable, in consideration of can waste to use etc. jailbird's vegetable, thus constitute of the tube Gun whet to fully grow powder a grinder skill process, can mostly induce for from the figure 2 arrive figure 6 a few familiar forms.
From the figure 2 go to figure 6 the powder show grinder skill system the process can see and the tube Gun whets powder to whet system to have as follows several squares but characteristics:
(1)Fully grow craft process although the formality have small homology, constitute an unit homology, tube Gun's whet is the key that the whole powder whets system to constitute part.
(2)The difference of formality is the difference that the material fly to.Prepare powder to whet pattern is whet through a tube Gun of all of the material enter ball to whet machine, the stick matches powder to whet product and ball that pattern whets out from the tube Gun to whet a machine to anticipate medium qualified and thin powder from choose powder machine to select into a finished product database, the part is thick anticipate to return to tube Gun to whet:eventually the powder whet pattern is all thick anticipate to return to tube Gun to whet, in the system have no ball to whet machine existence.
(3)Fully constitute a set of dollar is on the spot and all separated certain distance, consider the customer requests to make sure that the concrete powder whets a system craft process.
Obviously, a small difference in the water demand always exists on the basis of a pure cement probe, but as there is no physical action in relation to this test, everybody, with the exception of one European country, forgets it.
Finally, the results from Horomill grinding compared to tube mills is equivalent to the difference found by users when third-generation classifiers, giving more Rosin rammler slope, began to be used causing more water demand on the pure cement probe. Third-generation classifier cement is good, even if the grain size is different from cement ground in an old grinding plant.
Raw grinding Initially, many clients were sceptical about using the new system for raw meal grinding with many being unable to understand how the moisture could be removed from the material by a non-airswept mill.
However, extensive tests conducted in Trino (Italy) and industrial tests in Tepetzingo (Mexico) have shown that the Horomill is able to efficiently dry materials with high moisture levels and that the principles involved allow efficient grinding of raw material.
The Moctezuma Tepezingo plant is now using the Horomill for both cement and raw material grinding, and the results for raw material can be seen in Table 4. On the basis of these results, another manufacturer, Galadari in Pakistan, intends to use the Horomill for grinding both cement and raw materials, when commissioning occurs next year.
Other applications Following the presentation at VDZ in 1993, the first client for the machine was a Heidelberg subsidiary, which ordered a Horomill for its SMA Faulquemont plant in France. The mill is currently grinding 12 mtph of anhydrite at 5500 Blaine. Power consumption is claimed to be three times lower than the vibratory mill used before.
Again considering anhydrite, Maxit has ordered a 40-mtph mill for Krolpa (Thuringen), which should be in full operation in the middle part of 1998.
Many suppliers of ground calcium carbonate (GCC) also have expressed an interest in the Horomill solution, and two mills have been ordered so far; one was scheduled for commissioning at the beginning of 1998.
The curves in Table 5 show the results from the Horomill grinding of different products, the substitution ratio is defined as the number of kW consumed when using a tube mill, which can be replaced by one kW using a Horomill.
Conclusion : *The item's technique is mature dependable, equipments operation steady, vibrate noise smaller, equipments maintenance convenience be easy to an operation, the Horomoll powder whets system to have higher automation level, the equipments starts procedure simple.
*Should whet machine system to be used as eventually powder to whet a system host an equipments little, the craft process is simple, decoration convenience.
*The cement powder whets an electricity to consume low, the stanza electricity's effect is outstanding.
* Make use of the Horomoll powder whets cement and tube to whet to compare various cement function index sign normal.
* Along with cooperate with French FCB company technique of further thorough, equipments manufacturing of the national product turn a rate can gradually extend, the FCB company exterior kit equipments,such as electrical engineering and lubrication system, also has gradually a possibility of convert the domestic equipments in that system.
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