• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a cooling apparatus operated by ambient air and an agent to be cooled which can have solid state at atmospherical temperatures, a housing such as a cooling tower (100) with air inlets and air closure means (11) at the air inlets and great surface heat exchangers (3) arranged within the cooling tower (100) at its air inlets and divided into groups or sectors being in parallel connection are provided, with which the agent is cooled by the air streaming through the great surface heat exchangers (3). According to the invention, at least one pre-heating heat exchanger (20) is arranged in the air space (29) of each sector of the great surface heat exchangers (3), and the pre-heating heat exchangers (20) are in parallel connection with the great surface heat exchangers (3) of each sector.
    公开号:SU1514250A3
    申请号:SU864028403
    申请日:1986-10-24
    公开日:1989-10-07
    发明作者:Arpad Bakai；Derd Bergmann；Yanosh Bodash；Ishtvan Papp；Zoltan Sabo
    申请人:Transelektro Magyar Villamossa；
    IPC主号:
    专利说明:

    The invention relates to air cooling systems of agents that can be in solid state at atmospheric temperature, and can be used, in particular, in thermal power plants for cooling water leaving turbine condensers. The aim of the invention is to improve the reliability of the system. The system contains installed in the case I against the inlet openings 2, equipped with means 3 for shutting off the air, the heating section.
    1,514,250 AZ
    151
    mennikov (T) 4. TA are connected to the cooling agent line 5 in parallel with each other and in parallel with air heaters (B) 6. In 6, they are encased in (K) 7. Output sections, 8 K 7, are connected to the lower parts of 9 T 4. Fans 11 are installed in the input sections 10 K 7. T 4 are installed against the corresponding K 7 located in housing 1 s
    4250
    the formation of openings 12 against the upper parts of T 4. At least in one of the K 7, additional means 13 are installed in front of the fans 11 to block the air. The system can be equipped with special elements-, designed to work effectively in cold climates and at high outdoor temperatures. 5 hp f-ly, 4 ill.
    one
    The invention relates to air cooling systems agents that can be in a solid state at atmospheric temperature, and can be used, in particular, in thermal power plants for cooling water coming out of condensate turbines.
    The purpose of the invention is to increase the reliability of the system.
    Figure 1 schematically shows the air cooling system; figure 2 - the system with the installation of the blocking air means in the openings; on fig.Z - system with the installation of additional heaters; in fig. 4 system with nozzles.
    The system contains installed in the housing 1 against its inlet openings 2, equipped with means 3 for shutting off the air, sections of heat exchangers 4, which are connected to the main line 5 of the cooling agent in parallel with each other and air heaters 6, the latter are enclosed in housings 7, housed in the housing 1. Output sections 8 housings 7 are communicated with the lower parts of 9 sections of heat exchangers 4. In the inlet sections 10 of housings 7, fans 11 are installed. Sections of heat exchangers 4 are installed against respective housings 7 placed in housing 1 with The formation of openings 12 against the upper parts of the sections of heat exchangers 4.
    At least in one of the housings 7, additional means 13 are installed in front of the fans 11 for closing the air. The openings 12 against the upper parts of the sections of the heat exchangers 4 can be equipped with their own overlapping. Air 14 placed along the air flow
    2
    input sections 10 of the housing 7 (figure 2). In the housings 7, after the heaters 6, in the course of the air movement, heaters 15 can be installed, connected to an autonomous source of energy (Fig. 3). Each casing 7 in the outlet section 8 can be provided with a valve 16 and is additionally divided by a partition 17 into an upper recirculation 18 and lower
    main 19 channels. Channels 18 and 19. · Communicate with each other, respectively, in the zones between the additional means 13 for shutting off the air and the fan 11, as well as between the flap 16 and the heater 15 (FIG. 3). In each case 7, a system of nozzles 20 and a reservoir 21 may be additionally connected pipe 22 with a pump 23. A nozzle system 20 is placed between the fan 11 and the air preheater 6, and the tank 21 is located under the latter.
    The sections of heat exchangers 4 are connected to the mains by means of a pressure pipe with fittings 24 and a waste pipe with fittings 25. To the upper chambers 26 of heat exchangers 4, an air discharge valve 27 is connected.
    The system is also equipped with a tank 28 for emptying water, connected by corresponding pipelines with fittings 29 and 30 with heat exchangers 4 and air heaters 6. Air heaters 6 are connected to highways by means of water supply pipes with fittings 31 and water drainage with fittings 32. Inside the case, the main fan 33.
    1514250
    The system works as follows.
    When operating in the warm season, the means 3 are open and the air flows through them into the opening 2 and further into the section of the heat exchangers 4 and through the casing 7 and the air heaters 6.
    The air can move with the help of fans 33. Water from the condenser is supplied through lines 5 to the sections of heat exchangers and air heaters, where it is cooled and returned to the condenser. During interruptions in operation, heat exchangers 4 and 15, air heaters 6 can be emptied into tank 28 through the respective pipelines and open fittings 29 and 30. When starting, they are again filled with water from the tank. The air from the 20 heat exchangers 4 is removed from the chambers 26 through the valves 27. This scheme of operation is possible at a temperature of atmospheric air not less than 6-8 ° C below zero. 25
    When starting the system in the colder season, the system works as follows. Air heaters 6, which have a smaller surface of heating and much shorter pipes of larger diameter than heat exchangers 4, are filled, and water circulation is installed in them. After this, the heating of heat exchangers 4 may begin. To this end, additional means 13 are opened for closing the air and the fans 11 are started. The air is injected through the openings 12, passes through air heaters 6, where it heats up and enters through the exit sections 8 of the covers 7 to the lower part 9 of heat exchangers 4.
    At the same time, funds 3 are closed. Further, air flows through the openings 2, passes the heat exchangers section 4 by heating them, and re-enters the entrance 10 covers portions 7. When the rods perature-exchangers 4 rises to 5-10 ° C above zero, they are filled with water and can be pro- . process of system operation.
    When the system is shut down during the cold season, one section of the heat exchangers 4 is shut off, closing means 3 in advance, and the fan 11 is started. After that, the valves 24 and 25 are closed and the valves 29 are opened.
    When starting up in colder climates, the means 14 can be additionally blocked, placed in openings 12 behind the inlet sections of the shields 7. This is a result of faster heating of the heat exchangers 4 (figure 2). It is also possible to operate a system with two stages of heating the air, which is advisable to use in very cold air (fig.Z). The heaters 15 are turned on preliminarily and the dampers 16 and the means 13 are closed. The air is circulated by means of a fan 1 |. The air passes the fan 11 and through the lower main channel 19 is supplied to the air heaters 6 and heaters 15, in which it heats up and moves further along the upper recirculation channel 18 to the fan 11. When the air temperature reaches 5-10 ° C above zero, water filling operations are carried out air heaters and next steps. „
    At high temperatures, air heaters can perform .. the function of additional cooling water. The possibility of increasing their heat removal is ensured by wetting their surface (Fig 4). Water from the tank 21 is pumped by the pump 23 through the pipeline 22 in * the system of nozzles 20, is sprayed on the surface of the air heaters and flows back into the tank 21. In this mode of operation, the means 13 are completely open, and the reversible fan draws air from the casing 7.
    The proposed air cooling system allows to increase the reliability of operation at low ambient temperatures and to provide additional heat removal at high temperatures.
    权利要求:
    Claims (6)
    [1]
    Claim
    1. The air cooling system of an agent that can be in a solid state at atmospheric temperature, containing installed in a housing against its inlet openings, equipped with means for shutting off the air, sections of heat exchangers connected to the main line of the cooled agent in parallel with each other and an air preheater enclosed
    1514250
    in housings placed in the housing, communicated by the output sections with the lower parts of the sections and equipped with fans in the inlet sections, which are different from the fact that, in order to improve the reliability of the system, the heat exchanger sections are installed .. against the corresponding housings placed in the housing , 0 openings against the upper parts of the sections.
    [2]
    2. System pop. ^ characterized in that at least
    In one of the housings in front of the fans, additional means are installed to shut off the air.
    [3]
    3. The system of PP. 1 and 2, which is characterized by the fact that the openings against the upper parts of the sections of the heat exchangers are equipped with their own closing air means
    in the course of the air for the entrance area'mi covers.
    [4]
    4. The system of PP. 1-3, about t of a lich yu shch. I - with I that in casings 25
    Heaters connected to an autonomous source of energy are additionally installed behind air heaters along the air path.
    [5]
    5. The system of PP. 1-4, that is, in that each casing in the outlet section is provided with a damper and is additionally divided by a partition into the upper recirculation and lower main channels communicated with each other, respectively, in zones between the additional means for shutting off the air and the fan, and also between the flap and the heater.
    [6]
    6. The system of PP. 1-5, characterized in that each casing additionally has a nozzle system and a tank interconnected by a pipeline with a pump, the nozzle system being placed between the fan and the air preheater and the tank below the latter.
    151425 °
    FIG. 3
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    同族专利:
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    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    HU854101A|HU193135B|1985-10-24|1985-10-24|Auxiliary plant for operating air-cooled equipments particularly preventing winter injuries and air-cooled cooling tower provided with such auxiliary plant|
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