CN213902000U - Closed circulating water heat exchange system cooled by outdoor air - Google Patents

Abstract

The utility model discloses a closed circulating water heat exchange system cooled by outdoor air, which comprises a closed circulating water pipeline, wherein the water outlet end of the closed circulating water pipeline is communicated with a user, a booster pump is arranged on the closed circulating water pipeline, the water outlet end of the user is communicated with a main water outlet pipeline, the water outlet end of the main water outlet pipeline is respectively communicated with a first branch water pipeline and a second branch water pipeline, and the water outlet end of the first branch water pipeline is communicated with a closed water cooler; the utility model has the advantages that: the utility model discloses a mode of the outdoor wind of introduction utilizes the throttle expansion effect for the cooling air cooling, need not to consume the electric energy and can obtain the lower stable wind source of temperature for the cooling of closed circulating water cooler, considers the problem of its heat transfer volume, needs to cooperate traditional closed circulating water cooler to use, alleviates traditional closed circulating water cooler load to can alleviate its water consumption, power consumption.

Description

Closed circulating water heat exchange system cooled by outdoor air

The technical field is as follows:

the utility model relates to a power plant's closed circulating water heat transfer technical field, concretely relates to utilize outdoor air-cooled closed circulating water heat transfer system.

Background art:

the closed circulating water heat exchanger is used for cooling the closed circulating water with increased temperature after cooling each auxiliary device of the power plant unit; at present, the closed type circulating water cooling mode can be divided into water cooling and air cooling, wherein the water cooling is cooling water obtained from rivers and lakes or cooled by a water cooling tower, the heat in the closed type circulating water is taken away by the cooling water through a water cooling closed type circulating water heat exchanger, and the defect that the temperature of the cooling water after heat exchange is increased, so that the evaporation is accelerated, and the water consumption of a unit is increased; the air cooling is the heat transfer surface that sweeps the cooler by the fan, utilizes the heat of forcing the heat transfer to take away in the closed circulation aquatic, nevertheless because the summer temperature is higher, forces the heat transfer effect limited, need cooperate the heat exchanger surface water spray can evaporate and take away more heats, and its shortcoming is: consume a large amount of electric energy, adopt the surface of heat exchanger to spray water evaporation when cooling down summer, still can cause a large amount of water evaporation.

The utility model has the following contents:

an object of the utility model is to provide an utilize outdoor wind cooling's closed circulating water heat transfer system.

The content of the utility model is as follows: the closed circulating water heat exchange system cooled by utilizing outdoor air comprises a closed circulating water pipeline, wherein the water outlet end of the closed circulating water pipeline is communicated with a user, a booster pump is installed on the closed circulating water pipeline, the water outlet end of the user is communicated with a water outlet main pipeline, the water outlet end of the water outlet main pipeline is respectively communicated with a first branch water pipeline and a second branch water pipeline, the water outlet end of the first branch water pipeline is communicated with a closed water cooler, the water outlet end of the closed water cooler is communicated with the water inlet end of the closed circulating water pipeline through a first water outlet pipeline, the water outlet end of the second branch water pipeline is communicated with an outdoor air cooler, the water outlet end of the outdoor air cooler is communicated with the water inlet end of the closed circulating water pipeline through a second water outlet pipeline, and a front manual door is sequentially installed on the second branch water pipeline, The water inlet electric adjusting door and the rear manual door are arranged on the second water outlet pipeline.

Further, the wind channel of outdoor air cooler L shape install wind channel filter screen and air regulation board in proper order in the wind channel, air regulation board is connected with motor drive the terminal vertical ascending in wind channel installs a plurality of heat transfer wind channel unit the top of heat transfer wind channel unit is covered with the air-out shower nozzle be provided with heat exchange tube assembly directly over the air-out shower nozzle, heat exchange tube assembly's the end of intaking with the play water end of second branch water pipeline is linked together, heat exchange tube assembly's play water end with second outlet pipe way is linked together.

Further, the heat exchange tube subassembly includes the cooler main pipe way of intaking that the level set up, the cooler main pipe way of intaking with the play water end of second lateral water pipeline is linked together the cooler intake is connected with a plurality of cooler lateral water pipeline of intaking downwards along length direction slope on the road the cooler intake is connected with a plurality of heat transfer water pipeline along length direction equipartition on the lateral water pipeline, the other end and the cooler play water lateral water pipeline of heat transfer water pipeline are linked together, the other end and the cooler play water main pipe way of cooler lateral water pipeline are linked together, the cooler play water main pipe way with second play water pipeline is linked together.

Furthermore, an air duct water drain door is installed at the bottom end of the air duct.

Furthermore, a rain baffle is arranged at the outlet of the air inlet of the air duct.

The utility model has the advantages that: the utility model adopts the mode of introducing outdoor air, utilizes the throttling expansion effect to cool the cooling air, can obtain a stable air source with lower temperature without consuming electric energy, and cools the closed circulating water cooler, considers the problem of heat exchange quantity, needs to be matched with the traditional closed circulating water cooler to reduce the load of the traditional closed circulating water cooler, thereby reducing the water consumption and the electricity consumption; meanwhile, the rain baffle is designed to prevent rainwater from pouring into the air channel, impurities are filtered through an air channel filter screen, the rainwater enters the ground through an air quantity adjusting baffle capable of adjusting air quantity, the rainwater is cooled at an increased speed through each heat exchange unit nozzle group, heat exchange is carried out between the heat exchange area and closed circulating water, and a water outlet is designed in the underground air channel to prevent water accumulation; the outdoor air cooler is provided with a front manual door, an electric water inlet adjusting door and a rear manual door, so that the outdoor air cooler is convenient to overhaul and isolate.

Description of the drawings:

FIG. 1 is a system diagram of the present invention;

fig. 2 is a schematic structural view of an outdoor air cooler according to the present invention;

fig. 3 is a schematic structural view of the heat exchange tube assembly of the present invention;

FIG. 4 is a schematic diagram of the present invention;

in the figure, a closed circulating water pipeline 1, a user 2, a water outlet main pipeline 3, a first branch water pipeline 4, a second branch water pipeline 5, a closed water cooler 6, a first water outlet pipeline 7, an outdoor air cooler 8, a second water outlet pipeline 9, an air duct 10, an air duct filter screen 11, an air volume adjusting plate 12, a motor 13, an air outlet nozzle 14, a cooler water inlet main pipeline 16, a cooler water inlet branch pipeline 17, a heat exchange water pipeline 18, a cooler water outlet branch pipeline 19, a cooler water outlet main pipeline 20, an air duct drain door 21, a rain baffle 22, a booster pump 23 and a heat exchange air duct unit 24.

The specific implementation mode is as follows:

as shown in fig. 1 to 3, a closed circulating water heat exchange system cooled by outdoor air includes a closed circulating water pipeline 1, the water outlet end of the closed circulating water pipeline 1 is communicated with a user 2, a booster pump 23 is installed on the closed circulating water pipeline 1, the water outlet end of the user 2 is communicated with a main water outlet pipeline 3, the water outlet end of the main water outlet pipeline 3 is respectively communicated with a first branch water pipeline 4 and a second branch water pipeline 5, the water outlet end of the first branch water pipeline 4 is communicated with a closed water cooler 6, the water outlet end of the closed water cooler 6 is communicated with the water inlet end of the closed circulating water pipeline 1 through a first water outlet pipeline 7, the water outlet end of the second branch water pipeline 5 is communicated with an outdoor air cooler 8, the water outlet end of the outdoor air cooler 8 is communicated with the water inlet end of the closed circulating water pipeline 1 through a second water outlet pipeline 9, a front manual door, an electric water inlet adjusting door and a rear manual door are sequentially arranged on the second branch water pipeline 5, and a water outlet manual door is arranged on the second water outlet pipeline; an 8L-shaped air duct 10 of the outdoor air cooler is sequentially provided with an air duct filter screen 11 and an air volume adjusting plate 12 in the air duct 10, the air volume adjusting plate 12 is in transmission connection with a motor 13, a plurality of heat exchange air duct units 24 are vertically and upwards arranged at the tail end of the air duct 10, the top ends of the heat exchange air duct units 24 are fully distributed with an air outlet spray head 14, a heat exchange tube assembly is arranged right above the air outlet spray head 14, the water inlet end of the heat exchange tube assembly is communicated with the water outlet end of the second branch water pipeline 5, and the water outlet end of the heat exchange tube assembly is communicated with the second water outlet pipeline 9; the heat exchange tube assembly comprises a cooler water inlet main pipeline 16 which is horizontally arranged, the cooler water inlet main pipeline 16 is communicated with the water outlet end of the second branch water pipeline 5, a plurality of cooler water inlet branch pipelines 17 are obliquely and downwards connected to the cooler water inlet main pipeline 16 along the length direction, a plurality of heat exchange water pipelines 18 are uniformly distributed on the cooler water inlet branch pipelines 17 along the length direction, the other ends of the heat exchange water pipelines 18 are communicated with a cooler water outlet branch pipeline 19, the other ends of the cooler water outlet branch pipelines 19 are communicated with a cooler water outlet main pipeline 20, and the cooler water outlet main pipeline 20 is communicated with the second water outlet pipeline 9; an air duct water drain door 21 is arranged at the bottom end of the air duct 10; a rain baffle 22 is installed at the air inlet of the air duct 10.

The working principle is as follows: as shown in fig. 4 is the inside air flow diagram of closed boiler room, in the northern area of china, because weather is comparatively cold winter, thermal power plant's boiler room often adopts enclosed construction, and the boiler room is inside because the heat dissipation of boiler, make the inside temperature of boiler room all far above outdoor temperature no matter winter and summer, just indoor outdoor the difference in temperature has been formed like this, because the effect of atmospheric pressure, make the atmospheric pressure of boiler room be less than outdoor, it is about 53Pa to be through the indoor outer differential pressure of actual measurement, consequently outdoor wind will be a large amount of indoor of gushing into, the utility model discloses utilize this principle to introduce outdoor wind and cool off the closed circulating water.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an utilize outdoor wind cooling's closed circulating water heat transfer system, its includes closed circulating water pipeline (1), the play water end and user (2) of closed circulating water pipeline (1) are linked together install booster pump (23) on closed circulating water pipeline (1), the play water end and the total pipeline of play water (3) of user (2) are linked together, the play water end of the total pipeline of play water (3) is linked together with first branch water pipeline (4) and second branch water pipeline (5) respectively, the play water end and the closed water chiller (6) of first branch water pipeline (4) are linked together, the play water end of closed water chiller (6) through first play water pipeline (7) with the end of intaking of closed circulating water pipeline (1) is linked together its characterized in that: the play water end and the outdoor air cooler (8) of second lateral water pipeline (5) are linked together, the play water end of outdoor air cooler (8) through second outlet pipe way (9) with the end of intaking of closed circulating water pipeline (1) is linked together preceding hand-operated gate, the electronic accent door of intaking and back hand-operated gate are installed in proper order on second lateral water pipeline (5) the second outlet pipe installs out water hand-operated gate on the road.

2. The closed circulating water heat exchange system cooled by outdoor air according to claim 1, characterized in that: air duct (10) of outdoor air cooler (8) L shape install wind channel filter screen (11) and air regulation board (12) in proper order in wind channel (10), air regulation board (12) are connected with motor (13) transmission the terminal vertical ascending in wind channel (10) install a plurality of heat transfer wind channel unit (24) the top of heat transfer wind channel unit (24) is covered with air-out shower nozzle (14) be provided with heat exchange tube assembly directly over air-out shower nozzle (14), heat exchange tube assembly's the end of intaking with the water outlet end of second branch water pipeline (5) is linked together, heat exchange tube assembly's water outlet end with second outlet conduit (9) are linked together.

3. The closed circulating water heat exchange system cooled by outdoor air according to claim 2, characterized in that: the heat exchange tube assembly comprises a cooler water inlet main pipeline (16) horizontally arranged, the cooler water inlet main pipeline (16) is communicated with a water outlet end of a second branch water pipeline (5), a plurality of cooler water inlet branch pipelines (17) are obliquely and downwards connected to the cooler water inlet main pipeline (16) along the length direction, a plurality of heat exchange water pipelines (18) are uniformly distributed on the cooler water inlet branch pipelines (17) along the length direction, the other ends of the heat exchange water pipelines (18) are communicated with a cooler water outlet branch pipeline (19), the other ends of the cooler water outlet branch pipelines (19) are communicated with a cooler water outlet main pipeline (20), and the cooler water outlet main pipeline (20) is communicated with a second water outlet pipeline (9).

4. The closed circulating water heat exchange system cooled by outdoor air according to claim 2, characterized in that: an air duct water drain door (21) is installed at the bottom end of the air duct (10).

5. The closed circulating water heat exchange system cooled by outdoor air according to claim 2, characterized in that: and a rain baffle (22) is arranged at the outlet of the air inlet of the air duct (10).

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