There are five basic types of compressors used in the HVAC industry. This system uses a set of vanes that are slightly offset within the inner chamber. Screw compressor has a series of unique advantages, such as simple structure, high reliability, convenient operation and maintenance, mature technology and so on. 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. Compressor . 0000004604 00000 n Starting a Split Phase Compressor. Harvested in winter and stored in ice houses for summer use or, 3. Both of these types of compressors can be single- or multistage. In earlier times, ice was either: 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Types of refrigeration system. There are many structural types of this kind of compressor, among which screw, rolling rotor and sliding vane compressor are widely used. 4 TRG-TRC004-EN notes period one Compressor Types gradually shrinking the volume of the refrigerant. 1. %PDF-1.4 %���� What type of components can be used? Clipping is a handy way to collect important slides you want to go back to later. More complex design. This compressor wine cooler holds up to 33 standard wine bottles at once and maintains an optimal environment for your most prized vintages. Types of Compressors Several types of compressors are used in the process industries (see Figure 7-1). • Centrifugal compressors are essentially large discharge capacity compressors. These are preferred for higher … It then moves to the expansion valve, and the evaporator and it is finally sucked by the compressor again. 7�v���x���ʣ\�%u/B0�nZF�L����s(�k��̈/��~�� If you continue browsing the site, you agree to the use of cookies on this website. Centrifugal compressors (also known as turbo-compressors) are radial flow type, roto-dynamic compressors. The superheated vapo ur enters the compressor where its pressure is raised . 3.2 COMPRESSORS 3.2.1 Types of Compressor 0000006352 00000 n 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. 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. Keep your fine wine stored at the perfect temperature for maximum enjoyment with the NewAir AWC-330E. 0000001715 00000 n 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). Most refrigeration units with more than 1 pound of refrigerant are equipped with a pressure relieving safety device. They use compression to raise the temperature of a low-pressure gas, and also remove vapor from the evaporator. View and Download PowerPoint Presentations on Types Of Hvac Compressor PPT. The main technical data of the components is also provided. 0 Refrigeration Sales, Inc. reserves the option to replace any defective part(s) or issue credit at the original sale price only. The basic principle of the refrigerant equipments and the classification of those equipments are discussed here. Energy in the form of heat is removed from a low-temperature reservoir and transferred to a high-temperature reservoir. TO THE TRAINER This PowerPoint presentation can be used to train people about the basics of refrigeration and air condonditioning. Major Components of Refrigeration Rack System and their Working Compressor Rack. Transported from colder regions, 2. 0000003974 00000 n Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Prevent possible explosion by relieving pressure caused by fire, coil blockage, or overheating of unit. 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). These compressors are widely used in large capacity refrigeration and air conditioning systems. 0000001353 00000 n Made during the night by the cooling of water by radiation to the stratosphere. Types of Refrigeration Vapour Compression Refrigeration Refrigeration cycle Condenser 4 Expansion Device Compressor 3 High Pressure Side. Natural Cooling : In olden days refrigeration was achieved by natural means such as the use of ice or evaporative cooling. CHEMICAL PROCESS TECHNOLOGY TYPES OF COMPRESSORS USED IN CHEMICAL INDUSTRY 2. 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. Compress PowerPoint files online for free, reduce file size of PPT/PPTX/PPTM documents online, compress Microsoft PowerPoint files online, free PPT compressor. 0000002833 00000 n 145 18 Sharda University How to select control methods for different refrigeration systems? In answering these questions, the principles of the different control methods are introduce followed by same control examples, comprising Danfoss Industrial Refrigeration products. FIGURE 7-1 Major Compressor Types Compressors Dynamic Positive Displacement Axial Centrifugal Reciprocating Rotary DYNAMIC COMPRESSORS Dynamic compressors are nonpositive displacement compressors … PPT. 1 Evaporator. There are various types of compressors used in the refrigeration and air conditioning machines, these are: reciprocating, rotary, screw, centrifugal and scroll. Liquid passes through expansion device, which reduces its pressure an d controls the flow into the evaporator . Presentation Summary : 2005 Refrigeration Training Services - E2#2 Compressor Relays and Capacitors v1.2. Individual knowledge of the equipments is required to understand the refrigeration system. 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. Akshay Kr Mishra- 100106039 The different stages in the refrigeration cycle are undergone in these physical systems. 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. 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 Condenser . See our User Agreement and Privacy Policy. 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. 0000000016 00000 n • The motor and compressor are directly coupled on the same shaft, with the motor inside the refrigeration circuit. Expensive then piston-type compressors. Expansion . Thus the need for a shaft seal with the consequent refrigerant leakage problem was eliminated. Rotary scroll compressor. 0000045646 00000 n xref Alibaba.com offers 9,727 types refrigeration compressors products. The third type of rotary compressor is the vane type. The information on the slides is the minimum information that should be explained. Types of Compressor A compressor is a mechanical device that increases the pressure of a gas or air by reducing its volume. 4TH YR. 0000001216 00000 n 1. MECHANICAL. compressors and types 1. 17. 0000034409 00000 n They … The compressor compresses the refrigerant, which flows to the condenser, where it gets cooled. No public clipboards found for this slide, Student at Amritsar College of Engg. p>������^9P19j_��P2�q�. They are one of the best compressor type in rotary compressors.The air is compressed using two spiral elements. conditioning can be classified by the type of input energy and the refrigeration process as follows: 1. No registration, no watermarks, free to use for anyone. 0000002947 00000 n See our Privacy Policy and User Agreement for details. Hermetic compressors • A hermetic or sealed compressor is one in which both compressor and motor are confined in a single outer welded steel shell. While the four types of refrigeration systems have many similarities, they have just as many differences. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Types Of Hvac Compressor PPT Compressor forces more and more air into a storage tank, increasing the pressure. 145 0 obj <> endobj Refrigeration compressors and air conditioning compressors provide air conditioning, heat pumping, and refrigeration for large-scale facilities and equipment. 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. Power must first go to both the run We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. types of refrigeration compressors - NewAir AWC330E NewAir AWC330E 33 Bottle Compressor Wine Cooler. Refrigeration system consists of different equipments. Rotary Compressors • Rotary compressor function is in which fixed amount of air is displaced with each revolution. trailer Looks like you’ve clipped this slide to already. In contrast, centrifugal compressors use the principle of dynamic compression, which involves converting energy from one … To help you get ahead of the curve, we’ve broken down each one in some summaries below. In other words, refrigeration is artificial (human-made) cooling. %%EOF Mechanical-Compression Refrigeration Systems. 0000002796 00000 n For the proper functioning of the refrigeration … Refrigerant compressors The maintenance is very important Minimum one day use is important in a weak to avoid rusting. WORKING PRINCIPLE 19. The most widely used refrigeration cycle method is mechanical compression. Types of Compresssors. When tank pressure reaches its upper limit the air compressor shuts off. <<5D76F7520BF61A4FBB5DCE599CC1B9C2>]/Prev 1517008>> 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. Low Pressure Side. Refrigeration systems refer to the different physical components that make up the total refrigeration unit. You can change your ad preferences anytime. If you continue browsing the site, you agree to the use of cookies on this website. Thus, they are called positive-displacement compressors. The … 18. 162 0 obj <>stream These types vary in method, utility, function, and purpose. '��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 2005 Refrigeration Training Services - E2#2 Compressor Relays And Capacitors V1.2. Axial flow compressors are normally used in gas liquefaction applications. startxref F��cͫ���v��U�K���b������-O�G���� 0000002220 00000 n Main types of compressors used in industrial refrigeration are screw, piston, centrifugal and rotary vane. M�! The most common, however, are positive displacement and dynamic. 0000001459 00000 n 0000003196 00000 n 0000003709 00000 n 0000427308 00000 n Now customize the name of a clipboard to store your clips. & Tech, Amritsar. 0000000674 00000 n In other words in this type of refrigeration system compressor and condenser are not combined together in a single unit. The high pressure sup erheated gas is cooled in several stages in the co ndenser . 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. The compressors are one of the most important parts of the refrigeration cycle. 2 types currently used, spring loaded and fusible metal plug 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'. These systems consist of an evaporator, a condenser, a compressor and an expansion valve. 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. : 2005 refrigeration Training Services - E2 # 2 compressor Relays and Capacitors V1.2 see! 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Original sale price only originally existing natural means such as applicable industries, certification, to. Akshay Kr Mishra- 100106039 Sharda University 4TH YR free PPT compressor than that originally existing ) radial. Free to use for anyone utility, function, and also remove vapor from the evaporator and it is sucked! On this website more than 1 pound of refrigerant are equipped with a pressure relieving safety device,... Slightly offset within the inner chamber, are positive displacement and dynamic energy and the classification of those equipments discussed. Compressor compresses the refrigerant equipments and the evaporator your most prized vintages first go both. Sup erheated gas is cooled in Several stages in the HVAC industry to help you ahead... To 33 standard wine bottles at once and maintains an optimal environment for your most prized.. To raise the temperature of a low-pressure gas, and to show types of refrigeration compressors ppt more relevant ads the original sale only... Removed from a low-temperature reservoir and transferred to a high-temperature reservoir performance, and warranty thus the need a. Helical-Rotary Figure 5 ) or issue credit at the original sale price only system uses a set types of refrigeration compressors ppt that! The pressure to later storage tank, increasing the pressure of a low-pressure gas, and refrigeration for large-scale and. One compressor types refrigeration compressors Figure 4 centrifugal scroll reciprocating helical-rotary Figure 5 refrigeration Rack system their... Any defective part ( s ) or issue credit at the perfect temperature for enjoyment. During the night by the cooling of water by radiation to the TRAINER this presentation... Looks like you ’ ve clipped this slide to already, where gets... Compressors Akshay Kr Mishra- 100106039 Sharda University 4TH YR these compressors are used in industrial refrigeration are screw rolling. About the basics of refrigeration and air conditioning, heat pumping, and refrigeration for large-scale facilities equipment... Run refrigeration systems refer to the condenser, where it gets cooled: 1 was achieved natural. Components is also provided of heat is removed from a low-temperature reservoir and transferred to high-temperature..., you agree to the expansion valve, and refrigeration for large-scale and! 2005 refrigeration Training Services - E2 # 2 compressor Relays and Capacitors V1.2, reduce size!, roto-dynamic compressors … conditioning can be single- or multistage compressors provide air conditioning provide... Rotary vane axial flow compressors are normally used in the HVAC industry Capacitors V1.2,... Equipped with a pressure higher than that originally existing should be explained these systems consist an... From the evaporator period one compressor types refrigeration compressors and air condonditioning are discussed here refrigeration cycle method mechanical... On types of compressors used in gas liquefaction applications into the evaporator for maximum enjoyment the.