In this study, we focus on a two stage centrifugal compressor that failed during the operation. We run a wide program of instruction and training courses based on our overall knowhow and expertise as a leading original manufacturer. Inlet flow rates range from 200 to 230,000 am 3h and discharge pressures go up to 800 bar. Shop test is a necessary step for centrifugal compressor future reliability and trouble free operation. As main air compressor it features our proven and now further developed axial radial main air compressor type ar, now called armax1. New generation of man compressors man turbomachinery. Click to read more about our products and various services. Man energy solutions owns the leading position in the axial compressor market with more than references until today. View and download man d 2866 le 401 repair manual online. This publication provides information on the maintenance and operation of air compressor plants. Howden can offer a standard design of turbo compressor to api 672 4th edition or api 617 7th edition, with minimum deviations.
Oilfree processgas screw compressors man turbomachinery. He built a number of these highly successful blowing machines for steel mills. Rg integrally geared compressors man energy solutions. Mdt has more than 40 years of experience with large axial radial main air compressors with 65 references in total until 2014. When the compressor is operating as part of a complete gas turbine engine, as opposed to on a test rig, a higher delivery pressure at a. This compressor is best suited to applications with very high flow rates with typical polytropic efficiency exceeding 90%. Our customers have benefited from our stateoftheart production innovations, including. Man energy solutions compressors for the process industry.
Man primeserv supports you in protecting your assets right from the outset. Using the latest cad technology, customised packaged sets are designed to comply with the requirements of international standards such as api, asme viii div1, bs, din, gost, ad. While a turbine transfers energy from a fluid to a rotor, a compressor transfers energy from a rotor to a fluid. The compressor inlet flow is typically controlled by inlet guide vanes. First processgas turbine and first isotherm compressor. All shafts are equipped with mainte nancefree tilting pad bearings. The standard nozzle arrangement with suction at the top and discharge at the bottom allows liquid injection due to the free draining arrangement. The armax1 compressor comes to life final version youtube. The technology trend of compressor efficiency versus aerodynamic work coefficient is shown in fig. Pdf development and validation of a new universal through. Pdf optimization of axial compressor for the instability. Large axial compressors have been widely used in the air separation industry.
Axial compressors are also part of this class of turbo machines. Analysis of metallurgical and mechanical failure of a. Turbo compressors, centrifugal compressors, axial compressors and screw compressors are operated in a wide range of industrial applications. Centrifugal compressors by man are well proven and extremely robust for various pressures and gases. Otherwise arrangement and details of asmeptc10 type 2. Generally, maximum pressure ratio achieved in a stage of axial compressor is about 1. The bearing housings are an integral part of the compressor casing. It is a rotating, airfoilbased compressor in which the gas or working fluid principally flows parallel to the axis of rotation, or axially.
Mo206 maintenance and operation of air compressor plants. In axial compressors the gas flows parallel to the axis of rotation of the rotor, which has many rows of aerodynamically shaped blades extending. The more stages there are, the smaller the operating margin between the surge and choke regions of the compressor 2. We support all turbo products including the following. The instability is characterized by large limit cycle oscillations in compressor. Axial inflow to each stage optimum flow coefficients speed selection. Typically, the wet gas compressor is a twostage inter cooled centrifugal compressor driven by an industrial steam turbine. This differs from other rotating compressors such as centrifugal compressor, axicentrifugal compressors and mixedflow compressors where the fluid flow will include a radial. The first highpressure compressors for ammonia and urea plants. It focusses on complete compressor packages and offers diverse testing opportunities for its customers. Rio process compressor for oxygen with minimum space requirement, up to.
Sep 29, 2017 namax concept above compared he to tformer man concept. Axial compressors play a key role in the high volume flow industrial applications such as. Analysis of metallurgical and mechanical failure of a centrifugal compressor nesa rezamahdi, seyed ali jazayeri, mehdi tofighi naeem k. Antisurge systems for axial compressors turbomachinery. Jul 11, 2015 he invented the axial flow compressor in 1901 and called it the turboblowing engine. This worlds most modern technology for industrial axial compressors is thus expanding its success story to new sectors. Barrel type centrifugal compressors man turbomachinery. This enables a very compact design, compression of a wide range of gases, and high pressure ratio.
Man turbo integrally geared centrifugal compressors for. An investigation of turbomachinery concepts for an. Our solutions are market leading, and our technical achievements include. Axial compressors are often employed as air compressors when large capacities are required, as well as in smaller highcapacity process gas applications such as the first stage of a mixed refrigerant mr lng plant. It consists of compressor core unit, driver, process gas coolers. A comparison of axial and centrifugal compressor gas turbines. The man energy solutions compressor range for process industries axial compressors these compressors sit at the center of several highvolume flow industrial applications such as in blast furnace blowers, propane dehydrogenation, wind tunnels and others. Axial compressors have been built by man energy solutions since more than 80 years. Gear is sized according to power and axial thrust requirements icompressor and gear design go hand in hand gear. Ari combination of axialradial compressor, suitable for maximum volume flow up to 1,000,000 m3h 590,000 acfm. Rio process compressor for oxygen with minimum space requirement, up to,000 m3h 77,000 acfm. Man turbo integrally geared centrifugal compressors for high pressure co2.
In oberhausen, man combines ex perience with axial compressors of the industrial type ar and ag line and the gas turbine compressors of the. Two dimensional design of axial compressor main characteristics page 9 figure 16 lift and drag coefficient 1. Axial bearing on lowspeed shaft shaftdriven main oil pump driver. These expanders are either connected to a generator or directly to a compressor train.
Axial and centrifugal compressors draw their names from the primary direction in which the flow moves within the compressor. The rotor is composed of two impellers, one of them for the first and the other for the second stage. Failure analysis is carried out to delineate the cause of failure. Steamturbine designer charles algernon parsons, for example, recognized that a turbine which produced work by virtue of a fluids static pressure i. The axialflow compressor with high pressure ratios in the advanced gas turbine is a multistage compressor 1722 stages. Turbo1217 july 2014 with 1,005 reads how we measure reads. From an energy exchange point of view axial compressors are reversed turbines. Its cost effective design comes in various frame sizes. The first realistic option has been commercialized for high pressure ratio applications such as ccs and asu by companies such as. They are custom engineered to serve the specific process in a reliable manner over a long operation period. Centrifugal compressor 1 mechanical engineering in. Elliott axial compressors, fcc, fluid catalytic cracking, hot gas expanders, high flow compression, low ressure compression, elliott compressors, axial compressors, fcc service, highefficiency compressors, high flow, medium pressure, fcc combustion air, synthetic fuels, air separation, blast furnaces, aerodynamic testing. The new axial radial main air compressor armax1 incorporates the benefits of proven industrial design and gas turbine technology and forms part of the airmax train, one of man s leading. The most powerful compressors for offshore applications over 30,000 hp reinjection compressors with delivery pressures as high as 10,000 psi 700 bar we meet specific customer requirements by configuring each compressor using advanced technology components proven over a wide range of process conditions.
For the rikt compressor, from dpi point of view man is supplier for some parts the rotor for example, and also final client. Company presentation 2016 international working enviroment. An axial compressor is a gas compressor that can continuously pressurize gases. Turbo 1217 july 2014 with 1,005 reads how we measure reads. This manual does not for designing centrifugal compressor and those parts. This animation explains the working principle of an axial radial compressor by the example of armax1. We supply a wide variety of axial flow compressors. For maximum benefit, this manual should be used in conjunction with equipment manufacturers manuals, parts lists and drawings. They exclude delivery charges and customs duties and do not include additional. The company employs around 14,500 staff at more than 100 international sites, primarily in germany, denmark.
At this capacity rate, the entire air volume of the cologne cathedral could be exhausted in merely 16 minutes. Axial compressors figure 2 handle much higher flowrates than centrifugal compressors, but generate lower pressure ratios. Parsons designs first axial flow compressor turbomachinery. Rikt isothermal turbocompressors man energy solutions. Pdf a new loss and deviation model for axial compressor. This unique design has proven its reliability in various industries where lar ge amounts of air need to be compressed.
Pdf control and modeling for stall and surge phenomenon in axial flow compressors have. At a normal speed of 3000 rpm the compressorblower put out 10 psig and delivered 21,000 cfm of free air. D 2866 le 402, d 2866 le 403, d 2876 le 403, d 2866 le 405, d 2876 le 301. Airmax featuring armax1 axialradial compressor youtube. Pdf this paper describes the development of a new through flow method for the analysis of axial multistage. In initial projects, max1 axial compressors and the related blading technology convinced through greatly enhanced power density and performance, while exceeding expectations in terms of reliability. The heart of the concept known as namax is a type agmax1 axial compressor. The rikt is available in eight frame sizes from 71 to 160 seamlessly covering an actual inlet volume range. From left steam turbine, air compressor, gear box, no x compressor, axial expander. The variable stator vane design is a key feature of our an axial compressor. Asmeptc10 type 1 performance test should be done wherever possible. The recycle stage for the the synthesis gas loop is integrated in the hpcasing.
Centrifugal compressors are members of a class of technologies called dynamic compressors, or turbocompressors. The problem is that their delicate blades are susceptible to surgeinduced damage or separation. A new loss and deviation model for axial compressor inlet guide vanes article pdf available in journal of turbomachinery 67. Accordingly, centrifugal compressors are used today primarily in small industrial units. This singleshaft compressor is of special design for safe oxygen operation in combination with the advantages of integrated cooling. Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors. Turbomachinery for ammonia and urea plants 9 the synthesis gas compressor rises the pressure up to 140 210 bar a and delivers the gas towards the ammonia synthesis reactor. This opens the way for the future deployment of a new generation of axial compressors that will help to make mega process plants economically. Manual purpose to be used for selection, application into the system, power and cooling water estimation. Research and development of a high performance axial compressor.
The challenge for the accurate determination of the axial. The rg compressor can contain up to ten impeller stages. In case of conflict, manufacturers recommendations on use, care, operations, adjustment and repair. Engines, munich, have complet ed preparations for the first test run of a new man axial compressor. Centrifugal compressor surge, modeling and identification. A fifteen stage axial compressor including a bleed extraction was subject to a major overhaul after. These two types of machines are governed by the same basic relationships including newtons second law of motion and eulers pump. Centrifugal compressor purchasers and endusers realize the value and payback of accurate and proper shop performance test and shop mechanical run test. This compressor is made of low alloy steel by quenched and tempered treatment. Axialflow compressors an overview sciencedirect topics. For details of specific products, see the table below. View pdf catalogues and other online documentation prices are pretax.