The type of oil may be mineral or synthetic to suit the compressor type, and also chosen so as not to react with the refrigerant type and other components in the system. 1 Evaporator. The compressor compresses the refrigerant, which flows to the condenser, where it gets cooled. Types of Compresssors. Looks like you’ve clipped this slide to already. 0000000674 00000 n Axial flow compressors are normally used in gas liquefaction applications. 0000002833 00000 n Power must first go to both the run CHEMICAL PROCESS TECHNOLOGY TYPES OF COMPRESSORS USED IN CHEMICAL INDUSTRY 2. Main types of compressors used in industrial refrigeration are screw, piston, centrifugal and rotary vane. <<5D76F7520BF61A4FBB5DCE599CC1B9C2>]/Prev 1517008>> Clipping is a handy way to collect important slides you want to go back to later. Rotary Compressors • Rotary compressor function is in which fixed amount of air is displaced with each revolution. 1. Refrigeration compressors and air conditioning compressors provide air conditioning, heat pumping, and refrigeration for large-scale facilities and equipment. The term refrigeration means cooling a space, substance or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). There are many structural types of this kind of compressor, among which screw, rolling rotor and sliding vane compressor are widely used. Thus, they are called positive-displacement compressors. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. F��cͫ���v��U�K���b������-O�G���� The most common, however, are positive displacement and dynamic. Energy in the form of heat is removed from a low-temperature reservoir and transferred to a high-temperature reservoir. Refrigeration system consists of different equipments. Types of Compressor A compressor is a mechanical device that increases the pressure of a gas or air by reducing its volume. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Types Of Hvac Compressor PPT Both of these types of compressors can be single- or multistage. Free PPT and PDF Download for COMPRESSOR: Compressors, fans, and blowers are devices which are designed in such a way that they deliver gas at a pressure which is more than the genuinely existing pressure.The features like a rise in pressure, working pressure, mechanical design and specific speed become the basis for the classification and differentiation. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. These systems consist of an evaporator, a condenser, a compressor and an expansion valve. Compressor . Harvested in winter and stored in ice houses for summer use or, 3. 0000003709 00000 n They are one of the best compressor type in rotary compressors.The air is compressed using two spiral elements. Compressor forces more and more air into a storage tank, increasing the pressure. %PDF-1.4 %���� Natural Cooling : In olden days refrigeration was achieved by natural means such as the use of ice or evaporative cooling. These compressors are widely used in large capacity refrigeration and air conditioning systems. FIGURE 7-1 Major Compressor Types Compressors Dynamic Positive Displacement Axial Centrifugal Reciprocating Rotary DYNAMIC COMPRESSORS Dynamic compressors are nonpositive displacement compressors … 4TH YR. 145 0 obj <> endobj Expensive then piston-type compressors. The … The compressors are one of the most important parts of the refrigeration cycle. In contrast, centrifugal compressors use the principle of dynamic compression, which involves converting energy from one … 0000003196 00000 n See our Privacy Policy and User Agreement for details. Now customize the name of a clipboard to store your clips. Transported from colder regions, 2. 0000004604 00000 n compressors and types 1. They … More complex design. To help you get ahead of the curve, we’ve broken down each one in some summaries below. COMPRESSORS Compressors are machines designed to deliver gas at a pressure higher than that originally existing. Compressor Types Refrigeration Compressors Figure 4 centrifugal scroll reciprocating helical-rotary Figure 5. 0000427308 00000 n These types vary in method, utility, function, and purpose. Liquid passes through expansion device, which reduces its pressure an d controls the flow into the evaporator . %%EOF 7�v���x���ʣ\�%u/B0�nZF�L����s(�k��̈/��~�� Condenser . The maintenance is very important Minimum one day use is important in a weak to avoid rusting. Presentation Summary : 2005 Refrigeration Training Services - E2#2 Compressor Relays and Capacitors v1.2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Vapor compression systems.In vapor compression systems, compressors activate the refriger- ant by compressing it to a higher pressure and higher temperature level after it has produced its refrigeration effect. In other words in this type of refrigeration system compressor and condenser are not combined together in a single unit. 0000045646 00000 n Akshay Kr Mishra- 100106039 18. 0000001353 00000 n Another type, which is produced in large quantities, a scroll compressor, but still these compressors are not available in the amount normally encountered in industrial refrigeration.Rotary vane compressors are still used as a low stage compressors, but very little installed. In other words, refrigeration is artificial (human-made) cooling. This system uses a set of vanes that are slightly offset within the inner chamber. What type of components can be used? As air comes in through the inlet, rotating vanes push the air along into a tighter and tighter edge of the circle, effectively compressing it while using minimal effort and travel of the air itself. 0000003974 00000 n Refrigeration systems refer to the different physical components that make up the total refrigeration unit. Major Components of Refrigeration Rack System and their Working Compressor Rack. Most refrigeration units with more than 1 pound of refrigerant are equipped with a pressure relieving safety device. MECHANICAL. It then moves to the expansion valve, and the evaporator and it is finally sucked by the compressor again. Refrigeration Sales, Inc. reserves the option to replace any defective part(s) or issue credit at the original sale price only. PPT. In earlier times, ice was either: 1. Made during the night by the cooling of water by radiation to the stratosphere. Prevent possible explosion by relieving pressure caused by fire, coil blockage, or overheating of unit. '��g�lAS,��0�V���o�!fa E��ݳ�"�W�bǩu0�����6���_���y����4Vm�����(��_��B��"� ��ϑ��P�R�xX8�2�6e�ͼN�nr�4;��J��?O����˯'���o��R�.���id/j�|�4�6����� h��U�a۪�.��S7���+��F�v���;�������#\p|l_)�:���P Rotary scroll compressor. Mechanical-Compression Refrigeration Systems. 145 18 Centrifugal compressors (also known as turbo-compressors) are radial flow type, roto-dynamic compressors. • The motor and compressor are directly coupled on the same shaft, with the motor inside the refrigeration circuit. Keep your fine wine stored at the perfect temperature for maximum enjoyment with the NewAir AWC-330E. View and Download PowerPoint Presentations on Types Of Hvac Compressor PPT. 17. 3.2 COMPRESSORS 3.2.1 Types of Compressor How to select control methods for different refrigeration systems? Types of refrigeration system. You can change your ad preferences anytime. There are various types of compressors used in the refrigeration and air conditioning machines, these are: reciprocating, rotary, screw, centrifugal and scroll. Expansion . conditioning can be classified by the type of input energy and the refrigeration process as follows: 1. 0000001459 00000 n Starting a Split Phase Compressor. Thus the need for a shaft seal with the consequent refrigerant leakage problem was eliminated. Types of Refrigeration Vapour Compression Refrigeration Refrigeration cycle Condenser 4 Expansion Device Compressor 3 High Pressure Side. All the compressors are contained in a single room called the machine room while the condensers are fixated on roof tops for sufficient air flow to remove the heat from the condenser coils. 2 types currently used, spring loaded and fusible metal plug 162 0 obj <>stream M�! 0000000016 00000 n The most widely used refrigeration cycle method is mechanical compression. Low Pressure Side. • Centrifugal compressors are essentially large discharge capacity compressors. Alibaba.com offers 9,727 types refrigeration compressors products. Compress PowerPoint files online for free, reduce file size of PPT/PPTX/PPTM documents online, compress Microsoft PowerPoint files online, free PPT compressor. The third type of rotary compressor is the vane type. 0000002220 00000 n See our User Agreement and Privacy Policy. This compressor wine cooler holds up to 33 standard wine bottles at once and maintains an optimal environment for your most prized vintages. 0000002947 00000 n 4 TRG-TRC004-EN notes period one Compressor Types gradually shrinking the volume of the refrigerant. 2005 Refrigeration Training Services - E2#2 Compressor Relays And Capacitors V1.2. 0000002796 00000 n The superheated vapo ur enters the compressor where its pressure is raised . 0000001216 00000 n They use compression to raise the temperature of a low-pressure gas, and also remove vapor from the evaporator. The basic principle of the refrigerant equipments and the classification of those equipments are discussed here. Refrigerant compressors WORKING PRINCIPLE 19. While the four types of refrigeration systems have many similarities, they have just as many differences. Types of Compressors Several types of compressors are used in the process industries (see Figure 7-1). Individual knowledge of the equipments is required to understand the refrigeration system. trailer TO THE TRAINER This PowerPoint presentation can be used to train people about the basics of refrigeration and air condonditioning. 1. For the proper functioning of the refrigeration … Screw compressor has a series of unique advantages, such as simple structure, high reliability, convenient operation and maintenance, mature technology and so on. Sharda University The information on the slides is the minimum information that should be explained. SCROLL TYPE COMPRESSOR • A scroll compressor operating in reverse is known as a scroll expander, and can be used to generate mechanical work from the expansion of a fluid, compressed air or gas. 0000006352 00000 n The Different Types of Cooling Compressors Compressor Types Positive Displacement Dynamic Reciprocating Rotary Centrifugal Vane Lobe Scroll Liquid Ring Axial Single-Acting Double-Acting Diaphragm Screw Reciprocating compressor (single-acting) A reciprocating compressor is also called a piston compressor which adopts the xref The high pressure sup erheated gas is cooled in several stages in the co ndenser . & Tech, Amritsar. Hermetic compressors • A hermetic or sealed compressor is one in which both compressor and motor are confined in a single outer welded steel shell. There are five basic types of compressors used in the HVAC industry. The main technical data of the components is also provided. The different stages in the refrigeration cycle are undergone in these physical systems. In small refrigeration systems the oil is allowed to circulate throughout the whole circuit, but care must be taken to design the pipework and components such that oil can drain back under gravity to the compressor. Refrigeration Sales, Inc warrants the products it offers, to the original purchaser only, to be free from defects in materials and workmanship under normal use and service for a period of ninety (90) days from the date of installation. If you continue browsing the site, you agree to the use of cookies on this website. No registration, no watermarks, free to use for anyone. Commercial Refrigeration Compressors Market will Register a CAGR of 4.0% through 2029 - Future Market Insights delivers key insights on the global commercial refrigeration compressors market, in its latest report titled, 'Commercial Refrigeration Compressors Market: Global Industry Analysis 2014–2018 and Opportunity Assessment 2019–2029'. 0000034409 00000 n p>������^9P19j_��P2�q�. When tank pressure reaches its upper limit the air compressor shuts off. 2 3 SCOPE OF THE COMPRESSORS HANDBOOK This handbook applies to the Embraco on-off compressors produced in Europe (the country of origin is indicated on the compressor label). These are preferred for higher … No public clipboards found for this slide, Student at Amritsar College of Engg. startxref 0 types of refrigeration compressors - NewAir AWC330E NewAir AWC330E 33 Bottle Compressor Wine Cooler. In answering these questions, the principles of the different control methods are introduce followed by same control examples, comprising Danfoss Industrial Refrigeration products. A wide variety of types refrigeration compressors options are available to you, such as applicable industries, certification, and warranty. Compressors: There are mainly three types of compressors in use: Reciprocating compressor, Rotary compressor, Centrifugal compressor • Reciprocating and rotary compressors are more commonly used for small capacities but for lower evaporator temperatures. 0000001715 00000 n

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