SU823810A1

SU823810A1 - Heat transferring apparatus

Info

Publication number: SU823810A1
Application number: SU792796680A
Authority: SU
Inventors: Микаил Гаджимагомедович Вердиев; Юсуф Исмаилович Султанов
Original assignee: Дагестанский Политехнический Институт
Priority date: 1979-07-11
Filing date: 1979-07-11
Publication date: 1981-04-23

Description

Изобретение относится к теплопередаквдим устройствам, в частности к тепловым трубам, и может быть использовано в геотермальных установках. 'The invention relates to heat transfer devices, in particular to heat pipes, and can be used in geothermal installations. ''

Известно теплопередающее устройст- ^{1 * э}во, содержащее термосифон с зонами испарения и конденсации, соединенные ми, по крайней мере, одним паропроводом и одним конденсатопроводом, .« причем торец паропровода в каждой зоне расположен выше соответствующего торца конденсатопровода [1] .Known heat transfer ustroyst- ^{1 kOe} in comprising thermosyphon with zones of evaporation and condensation of compounds, at least one vapor line and a condensate,. 'End wherein the steam conduit in each zone is situated above the respective end condensate [1].

Недостатком известного устройства яедяются сравнительно, низкие термодинамическая эффективность и эксплуа- 15 тационная надёжность при использовании его в геотермальных установках, когда паропровод и конденсатопровод имеют большую протяженность, вызывающую возрастание тепловых потерь, а также опасность механического повреждения и коррозии этих элементов.A disadvantage of the known device is the comparatively low thermodynamic efficiency and operational reliability when used in geothermal installations, when the steam and condensate pipelines are long, causing an increase in heat loss, as well as the risk of mechanical damage and corrosion of these elements.

Целью изобретения является повышение термодинамической, эффективности при одновременном увеличении эксплуа- тационной надежности при использовании устройства в геотермальных установках.The aim of the invention is to increase thermodynamic, efficiency while increasing operational reliability when using the device in geothermal installations.

Цель достигается тем, что паропровод и конденсатопровод заключены в ’0 кожух, установленный относительно них с зазором и герметично соединенный с зонами испарения и конденсации. Паропровод, конденсатопровод и кожух могут быть секционированными, кроме того, в каждой секции кожуха могут быть установлены центрирующие поперечные перегородки из теплоизоляционного материала.The goal is achieved by the fact that the steam line and the condensate line are enclosed in a ’0 casing, mounted relative to them with a gap and hermetically connected to the evaporation and condensation zones. The steam line, the condensate line and the casing can be partitioned, in addition, in each section of the casing, centering transverse partitions of heat-insulating material can be installed.

На чертеже схематически изображено теплопередающее устройство, продольное сечение.The drawing schematically shows a heat transfer device, a longitudinal section.

Теплопередаквдее устройство содержит термосифон 1 с зонами 2, 3 испарения и конденсации соответственно, соединенными паропроводом 4 и конденсатопроводом 5, причем торец паропровода 4 в каждой зоне расположен выше соответствующего торца конденсатопровода 5. Паропровод 4, конденсатопровод 5 и кожух 6 выполнены секционированными. В каждой секции 7 кожуха могут быть установлены центрирующие поперечные перегородки 8 из теплоизоляционного материала. Зоны 2, 3 испарения и конденсации снабжены внутри ребрами 9 и 10 соответст;венно. Пространство между стенками кожуха 6 и паропроводом 4 и кондеи3Heat transfer device comprises a thermosyphon 1 with zones 2, 3 of evaporation and condensation, respectively, connected by a steam line 4 and a condensate line 5, and the end of the steam line 4 in each zone is located above the corresponding end of the condensate line 5. The steam line 4, the condensate line 5 and the casing 6 are sectioned. In each section 7 of the casing, centering transverse partitions 8 of heat-insulating material can be installed. Zones 2, 3 of evaporation and condensation are provided inside with ribs 9 and 10, respectively; The space between the walls of the casing 6 and the steam line 4 and kondeya3

823310 сатопроводом 5 заполнено теплоизоляцией или вакуумировано.823310 satatrovom 5 is filled with thermal insulation or vacuum.

Теплопередающее устройство работает следующим образом.The heat transfer device operates as follows.

После установки в скв,ажину (погружение в скважину осуществляют посекционно, при этом секции 7 кожуха б и секции паропровода 4 и конденсатопровода 5 соединяют), заправки теплоносителем и герметизации к зоне 2 испарения подводят тепло, что вызывает испарение теплоносителя и перенос пара по паропроводу 4 в зону 3 конденсации, откуда конденсат по конденсатопроводу 5 стекает в зону 2 испарения. Кожух б повышает термодинамическую эффективность и эксплуатационную надежность теплопередающего устройства.After installation in the borehole, azhina (immersion in the well is carried out sectionally, while sections 7 of the casing b and sections of the steam pipe 4 and condensate pipe 5 are connected), the heat carrier and sealing are fed to the evaporation zone 2, which causes the heat carrier to evaporate and the vapor to be transferred through the steam pipe 4 to condensation zone 3, from where condensate flows through condensate line 5 to evaporation zone 2. The casing b increases the thermodynamic efficiency and operational reliability of the heat transfer device.

Claims

The invention relates to heat transfer devices, in particular to heat pipes, and can be used in geothermal installations. A heat transfer unit is known, containing a thermosyphon with a zone of evaporation and condension, connected by at least one steam line and one condensate line, with the end of the steam line in the kaizdo zone located above the corresponding end of the condensate line 1. A disadvantage of the known device is a comparatively low thermodynamic efficiency and operational reliability when used in geothermal installations when the steam line and the condensate line have a large extent, causing an increase in heat loss, as well as the danger of mechanical damage and corrosion of these elements. The aim of the invention is to increase thermodynamic efficiency while simultaneously increasing operational reliability when using the device in geothermal installations. The goal is achieved in that the steam line and the condensate line are enclosed in a casing installed relative to them with a gap and hermetically connected to the evaporation and condensation zones. The steam line, the condensate line and the casing can be partitioned, in addition, in each section of the casing centering transverse partitions of thermal insulation material can be installed. The drawing shows schematically a heat transfer device, a longitudinal section. The heat transfer device contains a thermosiphon 1 with evaporation and condensation zones 2, 3, respectively, connected by a steam line 4 and a condensate line 5, with the end of the steam line 4 in some area located above the corresponding end of the condensate line 5. The steam line 4, the condensate pipe 5 and the case 6 are sectioned. In each section 7 of the casing, a centrirukhdiye transverse partitions 8 of thermal insulation material can be installed. Zones 2, 3 of evaporation and condensation are provided inside with ribs 9 and 10, respectively. The space between the walls of the casing 6 and the steam line 4 and the condensate line 5 is filled with thermal insulation or is evacuated. Heat transfer device operates as follows. After installation in the well (immersion into the well is carried out section by section, section 7 of the casing 6 and section of the steam line 4 and condensate line 5 are connected), charging with heat carrier and sealing to heat evaporating zone 2 causes evaporation of the heat carrier and transfer steam via steam line 4 to condensation zone 3, from where condensate via condensate line 5 flows to evaporation zone 2. The casing b improves the thermodynamic efficiency and operational reliability of the heat transfer device. Claim 1. Heat transfer device comprising a thermosiphon with evaporation and condensation zones connected by at least one steam line and one condensate line, with the end of the steam line in each zone located above the corresponding end of the condensate line, characterized in that, in order to increase thermodynamic efficiency while increasing operational reliability when using the device in geothermal installations, the steam line and the condensate line are encased, installed relative to them with a gap and hermetically connected to evaporation and condensation zones.

2. The device according to claim 1, characterized in that, in order to increase the convenience of operation, the steam line, the condensate line and the casing are made sectioned,

3. The device according to paragraphs. 1 and 2, characterized in that centering transverse partitions of heat insulating material are installed in each section of the housing. Sources of information taken into account in the examination of 1- US Patent No. 3986550, cl. 165-105, published. 1976.