Thermocompressor principle. Thermocompressor efficiency depends on the entrainment efficiency as some kinetic energy is lost during mixing. 09 kg of steam. In order to better understand the principle of heat-work conversion in the ideal thermocompressor, firstly, the thermodynamic concept of the variable mass system that can be used in the ideal thermocompressor was introduced. Therefore, for clarity, the operation principle of a reciprocating compressor is considered below. Control philosophy: most plants regulate by mixed-steam pressure; others use temperature (e. It highlights the features, benefits, and different types of thermocompressors, including fixed nozzle and variable area types, as well as their respective control options. com Community. The Thermo Compressor, in industrial processes, is a pump that mixes or compresses different fluids of different chemical composition. The first is the fixed nozzle type where control is achievable by throttling the motive steam pressure via a separate valve upstream of the SJT Steam Jet Thermocompressor (See Control Option 1, previous page, for subsonic units). The evaporator consists of an evaporator/condenser heat exchanger, a vapor space, a water distribution system, and a mist eliminator. 1). Compared with reciprocating compressors, rotary compressors have better dynamic balancing, smaller sizes and mass, need no valves and have more uniform gas discharge. e. Suction steam at lower pressure (typically flash steam from steam condensate, vapor from a process vessel, or return from a dryer/heat user). BTF Solar. This maximizes energy efficiency by retaining the energy in low-pressure steam while increasing its pressure by mixing in high-pressure steam. A thermocompressor requires engineering to balance the steam flow streams, including a determination of the correct steam flow and steam pressure of the motive steam, suction, and intermediate steam. Thermocompressors are either critical or non-critical designs depending on the required compression ratio and whether fluid velocity in the diffuser reaches sonic speeds. Thermocompressors are widely used in paper machine steam and condensate systems. An acceptable minimum practice would be to inspect the thermocompressor whenever related equipment is inspected. The document provides operating and maintenance instructions for a thermocompressor. Applications include drying and heating, multi-effect evaporators, vulcanizers, reboilers, strippers, condensate receiver tanks, and solvent extraction processes. High pressure motive steam is passed with supersonic speeds through a converging diverging nozzle where it meets the slow moving low pressure steam (through suction inlet) resulting To better understand the physics of air compressor thermodynamics and heat generation, this article discusses the main principles and two gas laws. Apogee Interactive. Thermocompressors are a type of steam ejector used to increase energy efficiency by recovering the energy in low-pressure waste steam. Internally Learn about basic air compressor theory, including thermodynamics and the physics of compressing air. Archived from the original on 17 Aug 2014. Fixed vs Variable Orifice Thermocompressors Transvac offers several types of Thermocompressor. Install strainers on motive line. This low-pressure exhaust from evaporators, cookers, and other process equipment is typically vented to the atmosphere or condensed in cooling towers. the jet issuing from the nozzle entrains suction steam. 68, has a waste containment chamber (17), a rotating chamber door (57), a jam breaker bar to facilitate opening of the door when jammed by melted plastic waste, pneumatically driven waste compaction means with plastic shredding rams, a waste containment chamber heating system (35), a processor temperature . The working process takes place in two A high performance thermocompressor in an industry leads to the higher recovery of low pressure steam and save more energy. Vapor Compression Distillation systems (VCD), improperly known as thermocompression or mechanical vapor recompression (MVR), produce water for pharmaceutical use The thermocompressor, shown in Fig. A thermocompressor is a jet powered device that saves energy by recycling low-pressure waste steam into higher pressure steam for use in industrial processes. 1. In order to design a high performance thermocompressor, a better understanding of the flow behavior such as shock interactions and mixing process inside it is necessary. 2007. In this video we will learn the detailed working process of Vapor Compression Refrigeration System, by properly understanding the functions of different comp Fixed vs Variable Orifice Thermocompressors Transvac offers several types of Thermocompressor. A thermocompressor that is used in corrosive or erosive service must be inspected more frequently than one that is used in non-corrosive or non-erosive service. Thermocompressor spindles are designed to act as temporary valves and provide tight shut-off. 55 and 0. A thermocompressor system is used to inject intermediate pressure steam into the dryer by using high pressure motive steam mixed with the low pressure blow-through steam. Applications span various industries, including food A thermocompressor can be used to capture the low-pressure blow-through steam and mix it with high-pressure motive steam, which can then be reintroduced into the dryer system at an intermediate pressure. Secondly, the thermodynamic process of the ideal thermocompressor under the Euler view was analyzed. While compressors differ from each other structurally, from the thermodynamic point of view, the processes occurring in the compressors are the same. Evaporation is one of the oldest unit operations; it is also an area in which much has changed in the last quarter century. Meekaj is renowned for manufacturing high-pressure steam jet thermocompressor. 32 kg of steam to evaporate 1 kg of water, and a five-effect evaporator requires 0. Applications span various industries, including food Single effect thermal vapor compression (TVC) seawater desalination process in its simple form is illustrated schematically in Fig. ^ "Thermosiphon Heat Exchangers". Evaporation efficiency A two-effect falling-film evaporator with a thermocompressor requires about 0. A thermocompressor is a device that uses high-pressure steam as a motive force to entrain a lower-pressure steam and discharges the mixture at an intermediate steam pressure. Thermocompressors have automatically-controlled spindles. time. Thermocompressor High eficiency energy saving solution Spirax Sarco’s Steam Jet Thermocompressors are energy saving devices that compress low pressure steam, often waste steam, to a higher useable pressure that can be recycled back into the process. 6. These devices are known for: Principle Functionality of Multiple-Effect Evaporator A multiple effect evaporator is a process plant used in industrial processes to concentrate solutions, typically liquids, by removing a portion of their water or other solvent content through evaporation. These devices are known for: However, it does illustrate the key principle of the thermocompressor: assuming no energy enters or leaves a fluid, its pressure falls when its velocity rises, and vice versa. They are used when pressure suction or discharge conditions vary and it is necessary to control discharge pressure or flow. Operating Principles Thermocompressors and ejectors operate on the same thermodynamic and physical principle: energy contained in high-pressure steam can be transferred to a lower pressure vapor or gas to produce a mixed discharge stream of intermediate pressure. Right-size the ejector: match thermocompressor design to real operating points; avoid chronic blow-off or starving. Oct 10, 2025 · Thermocompression uses a jet device—to mix two steam streams of different pressures: Motive steam (from the boiler header) at higher pressure. the less efficient the energy balance. Without the thermocompressor, the specific steam consumption would be approximately 0. In order to better understand the principle of heat-work conversion in the ideal thermocompressor, firstly, the thermodynamic concept of the variable mass system that can be used in the ideal Operating Principles Thermocompressors and ejectors operate on the same thermodynamic and physical principle: energy contained in high-pressure steam can be transferred to a lower pressure vapor or gas to produce a mixed discharge stream of intermediate pressure. In principle, high pres- sure steam expands at high velocity through the nozzle. txt) or read online for free. The thermocompressor, shown in Fig. g. The development of high temperature heat pumps for waste heat recovery benefits industrial processes by meeting demand, increasing energy efficiency, … In this video we explore the Steam Jet Thermocompressor, how it can save energy and boost profits by recycling waste steam. Although there are other methods of separation which can be considered, evaporation will re- Evaporation efficiency A two-effect falling-film evaporator with a thermocompressor requires about 0. The pressure control of a section of dryers can be achieved by a pressure control instrument throttling the thermocompressor and the makeup steam. Thermocompressors are based on proven jet pump technology and often used to reduce venting of low-pressure steam. 2 kg per kg of water evaporation, respectively. , drum shell or condensate outlet). Thermocompressor is a type of ejector used to convert low pressure to medium pressure steam with the use of high pressure steam. The thermocompressor recirculates with out loss of heat or energy, by using exhaust steam which might otherwise be wasted the compressor improves heat transfer rates and increases the heating or drying capacity of the system. pdf), Text File (. The document discusses steam jet thermocompressors, specifically outlining their function, construction, and applications in steam circulation and pressure boosting. Variable orifice SJT Steam Jet Thermocompressors Spirax Sarco offers several types of Thermocompressor. Thermocompressor Theory - Free download as PDF File (. Typical applications include re-circulating The analysis also shows that the optimum performance condition is gained when the total thermal penetration depth is approximate to the hydrodynamic radius, which provides a principle for better operation of thermocompressor. Layout details: short, open suction; avoid long, restrictive runs. TXVs are available with either internal or external pressure equalization (see Figure 5). Key points include expanding high pressure steam through a nozzle to entrain low pressure steam, ensuring proper installation of steam supply lines and In principle, the higher the compression ratio and the lower the motive ratio the higher will be the specific motive steam consumption, i. ^ "Evacuated Tube Heat Pipe Principles". Swenson thermal vapor recompression (TVR) evaporators use a thermocompressor to reduce the steam required per pound of evaporation. Externally equalized valves are recommended for multi-circuit systems because they account for excessive pressure drops coming from distributors and through the evaporator—externally equalized valves sense the evaporator pressure from the equalizer line connected to the evaporator outlet. Energy normally lost in a reducing valve is used to circulate the steam through the system. We'll cover Boyle's Law, Charles' Law, and more! This TIP provides a review of the theory of thermocompressor operation as well as some practical guidelines and common mistakes on typical applications. The compressor consists of 1—cylinder, 2—piston, 3—intake valve, and 4— injection valve (Fig. 5. A thermocompressor consists of a metal casing with three main parts: a motive steam nozzle, a mixing chamber and a diffuser. Working principle and design characteristics of thermocompressors Thermocompressor High-efficiency energy savings solution Are you wasting potential energy by venting flash steam? If so, Spirax Sarco’s Steam Jet Thermocompressor is an energy saving device that compresses low-pressure steam, often waste steam, to a higher acceptable pressure that can be recycled back into the process. Thermocompression is accomplished using a steam jet ejector or thermocompressor, a device that contains no moving parts and relies on fluid dynamics principles. FI44418C 1971-11-10 Heat exchanger JPH0283001A 1990-03-23 kettle type evaporator JPS61119957A 1986-06-07 Device for supplying absorption refrigeration system with heat US4421605A 1983-12-20 Distillation apparatus utilizing thermocompressor principles A high performance thermocompressor in an industry leads to the higher recovery of low pressure steam and save more energy. Archived from the original on 3 Apr 2013. Parts of a Thermocompressor Thermocompressor capacity of the device is dictated by the availability of motive steam, motive and suction steam pressure, and discharge steam pressure requirements. This book is my attempt to pre- sent evaporation technology as it is generally practiced today. A thermocompressor is a jet ejector that uses high-pressure motive steam to recompress lower pressure steam. How does a thermocompressor work? Thermocompressors boost low-pressure steam to higher pressures for reuse in multiple applications. Look out for more videos in this series coming soon. Cheresources. 68, has a waste containment chamber (17), a rotating chamber door (57), a jam breaker bar to facilitate opening of the door when jammed by melted plastic waste, pneumatically driven waste compaction means with plastic shredding rams, a waste containment chamber heating system (35), a processor temperature The thermocompressor entrains the low-pressure extract steam into the suction side of the thermocompressor and discharges it to an intermediate pressure close to the maximum operating pressure of The document discusses steam jet thermocompressors, specifically outlining their function, construction, and applications in steam circulation and pressure boosting. Its operation is governed by the conversion of energy between pressure and velocity, according to the Bernoulli principle. In this video we explore the Steam Jet Thermocompressor, how it can save energy and boost profits by recycling waste steam. The basic principle of ejectors consists in the liquid or gas jet being emitted by a nozzle at high-speed entraining and accelerating the surrounding liquid, gas or solid matter. It describes the operating principle, installation considerations, inspection procedures, troubleshooting operational problems, and disassembly procedures. Retrieved 23 Jul 2021. accelerating it to high velocity in the throat of the thermocompressor, and the mixture recovers pressure as it decelerates in the tapered tail piece. Jul 30, 2019 · A thermocompressor is a device used to boost low-pressure steam to higher pressures for reuse in multiple applications. Thermo vapor compressor(TVR) is used for compressing the low-pressure vapor. The first is the fixed nozzle type which cannot be controlled to any great extent, although some control is achievable by throttling the motive steam pressure via a separate valve upstream of the SJT Steam Jet Thermocompressor. The principal types are the lobe (Roots type), screw (Lysholm type), sliding vane and gear (external and internal). On the other Learn more about Mechanical Vapor Recompression ( MVR ) Evaporator System & how you can effectively handle fouling and scaling of MVR evaporator. "What is a Heat Pipe?". ^ Haslego, C (Nov 8, 2010). Thermocompressor is a fluid jet device that compresses the low pressure steam resulting to a high pressure steam by using the principle of energy conservation. Thermocompressor capacity of the device is dictated by the availability of motive steam, motive and suction steam pressure, and discharge steam pressure requirements. The main components of the unit are the evaporator, the steam jet ejector, and the feed heater or the condenser. yz1uk, 83ws, lmulm, kznxxq, gjmocl, xbgku, vrspq, afvlp, dxtqu, 5rrxn,