A kind of evaporative cooling heat exchanger that is applicable to cold, hot two-purpose
Technical field
The utility model belongs to the Thermal Equipment technical field, relates to a kind of Evaporative Cooling Air Conditioning heat exchanger that is applicable to cold, hot two-purpose, is specifically related to a kind of water-water, Air-Water-air cold, hot two-purpose Evaporative Cooling Air Conditioning heat exchanger.
Background technology
Western China not only contains abundant solar energy, but also contains abundant dry air energy.In such area, can utilize solar heating winter, can utilize summer dry air can produce cold wind or cold water cooling.Therefore, to utilize the Evaporative Cooling Air Conditioning technology of dry air energy and utilize the heat supply heating technology of solar energy organically to combine, effectively utilize the renewable cleanliness without any pollution energy such as the advantageous natural dry air energy in west area and solar energy that the target of finishing China's energy-saving and emission-reduction and the sustainable development that realizes urban construction are had great significance, and bringing into play energetically facilitation.
In order easier realization to adopt evaporation cooling technique to produce cold wind this summer, utilize the air-conditioning system of solar-heating heating winter, the dual-purpose heat exchanger of a kind of water-water, Air-Water-air is proposed.This heat exchanger has been simplified air-conditioning system, realizes producing summer the dual-use function of cold wind, winter hot water preparing.
Summary of the invention
The purpose of this utility model provides a kind of evaporative cooling heat exchanger that is applicable to cold, hot two-purpose, realize that utilizing the Evaporative Cooling Air Conditioning technology to produce cold wind summer is the room cooling, utilize winter solar water technology hot water preparing to heat for the room, take full advantage of heat exchange area, improved heat exchange efficiency.
The technical scheme that the utility model adopts is, a kind of evaporative cooling heat exchanger that is applicable to cold, hot two-purpose, by heat exchanger core body, the water storage box of heat exchanger core body bottom, the casing that the both sides that heat exchanger core body is relative arrange forms, heat exchanger core body is by a plurality of placed side by side, and formed by the heat exchange wall of certain intervals, consist of passage a or passage b between adjacent two heat exchange walls, passage a and passage b interval arrange, the bottom of heat exchanger core body one side and top arrange respectively casing a and casing b, casing a and casing b are connected by passage a, the bottom of the another side that heat exchanger core body is relative and top arrange respectively casing c and casing d, and casing c and casing d are connected by passage b.
Characteristics of the present utility model also are,
The upper end of each passage b of heat exchanger core body is respectively arranged with the water-locator b that sprays in the passage, the end of each passage a one side is respectively arranged with the water-locator a that sprays in the passage, and the wall that water-locator b and water-locator a arrange is perpendicular, and water-locator a and water-locator b are connected with water system in the air-condition heat exchanger water storage box respectively.
The beneficial effects of the utility model are,
1) the heat exchange wallboard of the heat exchange wallboard of heat exchanger channels a of the present utility model and heat exchanger channels b is placed at the interval side by side, is sandwich construction, takes full advantage of heat exchange area, improves the coefficient of heat transfer.
2) heat exchanger is when carrying out the wet exchange of Air-Water-air heat or water-hydrothermal exchange, working media circulates in heat exchanger channels b, the output medium circulates in heat exchanger channels a, working media and the heat exchange of output medium cross-counterflow, working medium water or output WATER AS FLOW MEDIUM are sprayed on heat exchanger channels wall formation moisture film by water-locator a and water-locator b with water and carry out heat exchange, have improved heat exchange efficiency.
Description of drawings
Fig. 1 is the structural representation of heat exchanger core body in the utility model;
Fig. 2 is single group channel design schematic diagram of heat exchanger core body in the utility model;
Fig. 3 is the operation principle schematic diagram in summer of single group passage of heat exchanger core body in the utility model;
Fig. 4 is the operation principle schematic diagram in winter of single group passage of heat exchanger core body in the utility model;
Fig. 5 is the structural representation of the utility model heat exchanger.
Among the figure, 1 passage a, 2 passage b, 3 heat exchange walls, 4 moisture films, 5 water-locator a, 6 water-locator b, 7 heat exchanger core bodies, 8 casing c, 9 casing a, 10 casing b, 11 casing d.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model is applicable to the evaporative cooling heat exchanger structure of cold, hot two-purpose, as shown in Figure 5, is comprised of the water storage box of heat exchanger core body 7, heat exchanger core body 7 bottoms, the casing that heat exchanger core body 7 relative both sides arrange.
Heat exchanger core body 7 consists of passage a1 or passage b2 by a plurality of placed side by side and be comprised of the heat exchange wall 3 of certain intervals between adjacent two heat exchange walls 3, passage a1 and passage b2 interval arrange, the structure of heat exchanger core body 7, as shown in Figure 1.
What Fig. 2 showed is the structure of single group heat exchanger channels, has been made of the arrangement of passage b2, passage a1, passage b2 4 heat exchange walls 3.Working media circulates in passage b2, and the output medium circulates in passage a1, and working media and the heat exchange of output medium cross-counterflow have realized the function of air-water-wet exchange of air heat and water-hydrothermal exchange.
The bottom of heat exchanger core body 7 one sides and top arrange respectively casing a9 and casing b10, and casing a9 and casing b10 are connected by passage a1; Bottom and the top of the another side that heat exchanger core body 7 is relative arrange respectively casing c8 and casing d11, and casing c8 and casing d11 are connected by passage b2.
The upper end of each passage b2 of heat exchanger core body 7 is respectively arranged with the water-locator b6 that sprays in the passage, the end of each passage a1 one side is respectively arranged with the water-locator a5 that sprays in the passage, and the wall that water-locator b6 and water-locator a5 arrange is perpendicular, and water-locator a5 and water-locator b6 are connected with water system in the air-condition heat exchanger water storage box respectively.
The course of work of the utility model evaporative cooling heat exchanger:
1, summer workflow:
Water-locator a5 is out of service, water-locator b6 work, and passage b2 is dry passage, carries out Air-Water-wet exchange of air heat, as shown in Figure 3, in order to obtain cold wind.
Water is sprayed at heat exchange wall 3 on the wall of passage b2 by water-locator b6, form moisture film 4, primary air (output medium) is by casing b10 admission passage a1, the moisture film of passage b2 is passed to heat in circulation by heat exchange wall 3 in passage a1, auxiliary air is by casing c8 admission passage b2, in passage b2 with the primary air adverse current, and and the wet exchange of moisture film 4 heat, water cooling near its wet-bulb temperature, then, water is taken heat and pass to out of auxiliary air by heat exchange wall 3, by auxiliary air heat is drained by casing d11, thereby the primary air of opposite side is cooled down, and the primary air after being cooled is given the user through casing a9.
2, winter workflow:
Water-locator a5 and water-locator b6 work simultaneously, carry out water-hydrothermal exchange, as shown in Figure 4, and in order to obtain hot water.
The hot water of returning from the user enters the water pipe of casing b10, sprays passage a1 by water-locator a5 and forms moisture film 4, and the hot water that utilizes solar energy to produce enters the water pipe of casing d11, sprays passage b2 by water-locator b6, forms moisture film 4 at the tube wall of passage b2; And then by the heat supply heating hot water moisture film of heat exchanger wall 3 with heat transferred opposite side heat exchanger wall 3, heat supply heating hot water heating the most at last, heated flow of hot water enters casing a9 in the passage a1, send into user's end by water pipe, flow of hot water in the passage b2 enters casing c8, is transported to solar water heater by water pipe.