CS269753B1 - Used process of exhaust heat for obtaining mechanical power generation - Google Patents

Used process of exhaust heat for obtaining mechanical power generation Download PDF

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Publication number
CS269753B1
CS269753B1 CS818779A CS877981A CS269753B1 CS 269753 B1 CS269753 B1 CS 269753B1 CS 818779 A CS818779 A CS 818779A CS 877981 A CS877981 A CS 877981A CS 269753 B1 CS269753 B1 CS 269753B1
Authority
CS
Czechoslovakia
Prior art keywords
desorber
waste heat
pressure
utilisation
low
Prior art date
Application number
CS818779A
Other languages
Czech (cs)
Inventor
Hans Dipl Ing Foerster
Original Assignee
Foerster Hans
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DD228366A external-priority patent/DD232833A4/en
Application filed by Foerster Hans filed Critical Foerster Hans
Publication of CS269753B1 publication Critical patent/CS269753B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/06—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using mixtures of different fluids
    • F01K25/065—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using mixtures of different fluids with an absorption fluid remaining at least partly in the liquid state, e.g. water for ammonia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention relates to an improvement of the method for the utilisation of waste heat for the generation of mechanical energy with optional, simultaneous cold production, according to patent application P3101858.0. The method can be used as a downstream process (coupled process) of thermodynamic processes and cyclic processes producing waste heat, the generation of mechanical energy and from this electrical energy being of prime importance and cold production with variable power share being an additional option. The aim of the invention is to improve the utilisation of waste heat according to the main patent whilst an increase of the usable proportion of the waste heat supply results in an efficiency increase in respect of the energy utilisation. According to the invention, this is achieved in that for utilisation of the waste heat a desorption cascade is used in which the waste heat is employed in several stages for the desorption of working substances from enriched solutions. In addition, the hot weak solution is also regeneratively cooled by desorption of working substances. The sphere of application of the invention is in all processes producing waste heat, such as nuclear power plants, chemical plants, drying processes and flue gas generating processes.

Description

(57) Řešení ee týká zlepšení způsobu využití odpadního tepla pro výrobu mechanická energie a podle volby se současnou výrobou cjjladu. Způsob se používá jako pon chod doplňkového zařazení (svazující pochod) termodynamických způsobů, vytvářejících odpadní teplo a kruhových pochodů, přičemž výroba mechanické energie a z ní ú získávané elektrické energie je prvořadá a výroba chladu může byt svázána a proměnnou veličinou výkonnosti. Cílem řešení je zlepšení způsobu využití odpadního tepla podle základního patentu, ve kterém se realizuje zvětšení užitečného podílu odpadního tepla, které je k dispozici a zvýšení účinnosti využití energie.Podle řešení se toho dosahuje tím, Že pro využití odpadního tepla se používá kaskáda dosorbérů, vejcteré se odpadní teplo používá mnohostupnovŠ k desorbování pracovní látky z obohacených roztoků. Doplňkově se také generativně ochlazuje horký chudý roztok díky desorbování pracovní látky.(57) Solution ee concerns the improvement of the use of waste heat for the production of mechanical energy and, optionally, the simultaneous production of clad. The process is used as a supplemental operation after n location (tying operation) thermodynamic methods, generating waste heat and round processes, while producing mechanical energy from the electrical power p is paramount and refrigeration can be bound to a variable quality and performance. The aim of the solution is to improve the method of utilizing waste heat according to the basic patent, which implements an increase in the useful amount of waste heat available and an increase in energy efficiency. According to the solution this is achieved by using a cascade of absorber for waste heat. the waste heat is used in a plurality of steps to desorb the working substance from the enriched solutions. In addition, the hot lean solution is also generatively cooled by desorption of the working substance.

Claims (2)

PŘEDMĚT VYNÁLEZUSUBJECT OF THE INVENTION 1. Způsob využití odpadního tepla pro výrobu mechanické energie vyznačený tím, že teplonosná látka odpadního tepla ze vstupu teplonosné látky (7) se ochlazuje v kaskádě desorberů, sestávající z několika kombinací: desorber-desorber dílčího proudu, zpočátku ve vedlejším způsobem oh- ř řívané části desorberů (2) vysokotlakého desorberů (1) nebo ve vedlejším způsobem ohřívané části (5) desorberů dílčího ' vysokotlakého proudu (3) a bezprostředně potom v desorberů nízkého nebo středního tlaku (6), přičemž počáteční teplota desorberů středotlakého nebo nízkotlakého desorberů (6) se udržuje extremně nízká tím, že šíře vsázky nebo počáteční teplota absorpce stupně absorberu, která zásobuje nízkotlaký desorber (6) a jeho paralelně zapojený desorber dílčího proudu (10) bohatým roztokem, je menší než u jiných absorbčních stupňů, a proto poměr tlaků mezi stupněm nízkotlakého nebo středotlakého desorberů a absorpčním stupněm, je zásobujícím, je nižší než poměr tlaků mezi ostatními absorbční. mi stupni a má hodnotu vyšší než 1,8.Method for utilizing waste heat for the production of mechanical energy, characterized in that the waste heat transfer medium from the inlet of the transfer medium (7) is cooled in a desorber cascade, consisting of several combinations: desorber-desorber sub stream, initially heated the desorber portions (2) of the high-pressure desorber (1) or in the side-heated part (5) of the desorber sub-high pressure (3) and immediately thereafter in the low or medium pressure desorber (6), the initial desorber temperature of the medium or low pressure desorber (6). ) is kept extremely low in that the batch width or the initial absorption temperature of the absorber stage that supplies the low pressure desorber (6) and its parallel-connected desorber (10) with rich solution is less than that of the other absorption stages, and therefore low pressure or medium the pressure desorber and the absorption stage it is supplying is lower than the pressure ratio among the other absorption. and has a value greater than 1.8. 2. Způsob podle bodu 1, vyznačující se tím, že chudý roztok, vycházející z vysokotlakého desorberů (1) a desorberů dílčího vysokotlakého proudu (3), za účelem přenosu tepla prochází v kaskádě desorberů nejprve do regenerativně ohřívané části (4) desorberů dílčího vysokotlakého proudu (3), potom prochází desorberem dílčího nízkotlakého nebo středotlakého proudu (10) a bezprostředně potom v uvedeném případě prochází teplosměnným zařízením (9) do stupně nízkotlakého abrorberu, za účelem ohřevu bohatého roztoku.The method according to claim 1, characterized in that the lean solution, originating from the high pressure desorber (1) and the desorber of the high pressure jet (3), first passes into the desorber cascade of the high pressure desorber (4) for regenerative heating. flow (3), then passes through the desorber of the partial low or medium pressure stream (10) and immediately thereafter passes through the heat exchanger device (9) to the low pressure abrorber stage to heat the rich solution. 1 výkres1 drawing
CS818779A 1981-03-17 1981-11-27 Used process of exhaust heat for obtaining mechanical power generation CS269753B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD228366A DD232833A4 (en) 1981-03-17 1981-03-17 METHOD FOR ABBEER USE FOR GENERATING MECHANICAL ENERGY

Publications (1)

Publication Number Publication Date
CS269753B1 true CS269753B1 (en) 1990-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CS818779A CS269753B1 (en) 1981-03-17 1981-11-27 Used process of exhaust heat for obtaining mechanical power generation

Country Status (3)

Country Link
CS (1) CS269753B1 (en)
DE (1) DE3142056A1 (en)
SU (1) SU1636568A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712366B (en) * 2013-12-14 2015-10-28 华中科技大学 A kind of cryogen cold energy use system
CN104976514A (en) * 2014-04-11 2015-10-14 杨双来 Method for carrying out power outputting and gas conveying through low-temperature liquid
CN106352654B (en) * 2016-08-25 2019-05-14 广西大学 A kind of vaporization cold amount of liquid nitrogen recyclable device

Also Published As

Publication number Publication date
DE3142056A1 (en) 1982-09-30
SU1636568A1 (en) 1991-03-23

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