Cross-current composite indirect evaporation cooling air processor
An air handler and evaporative cooling technology, which is applied in air-conditioning systems, space heating and ventilation, household heating, etc., can solve the problems of lower energy efficiency ratio of the whole machine, slow increase of intercooling efficiency, and occupancy, and achieve heat and humidity exchange The effect of high efficiency and high heat and mass transfer driving potential
Inactive Publication Date: 2012-06-27
于向阳
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Problems solved by technology
[0003] The ratio of secondary air flow to primary air flow has a direct impact on the cooling efficiency of the indirect evaporative cooler. Theory and experiments show that with the increase of the secondary air flow, the cooling efficiency of the indirect evaporative cooler has been increasing, but for two When the secondary air flow increases to a certain value, the efficiency of intercooling tends to increase slowly
As the secondary air flow continues to increase, the increase in cooling efficiency is very limited. If the heat and moisture exchange efficiency of the indirect evaporative cooler is simply increased by increasing the secondary exhaust air volume, the energy efficiency ratio of the whole machine will decrease.
In addition, this type of unit is usually larger in size and needs to occupy more building space.
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[0014] A cross-flow composite indirect evaporative cooling air processor, such as figure 1 , Figure 4 , Figure 5 The embodiment 1 shown includes a fan and a spray water system installed in a casing 1 with air inlets and outlets. A water tank 6 is provided at the bottom of the casing 1, and a water pump 7 installed in the water tank 6 passes through a pipe The path 8 is connected with a spray water device 2 arranged in a casing whose top is closed in the casing 1. A heat exchanger 4 is arranged between the water tank 6 and the spray water device 2 in the casing 1. The heat exchanger 4 is an indirect evaporative cooling heat exchanger, and the indirect evaporative cooling heat exchanger is a dry channel 12 arranged uniformly at intervals. It is formed with the wet channel 11, and the axes of the dry channel 12 and the wet channel 11 cross each other. The dry channel 12 and the wet channel 11 are separated by partitions, wherein a corrugated board is installed in the dry channe...
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The invention discloses an cross current combination indirect evaporative cooling air processor, wherein a dry channel and a wet channel evenly distributed are spaced and intercrossed, forming an indirect evaporative cooling heat exchanger of which the wet channel is vertically divided into two levels of wet channels by a line of vertical division bars and the dry channel is run-through; a separator arranged on the lower part of the heat exchanger divides a dry channel outlet of the heat exchanger into two parts of an upper part and a lower part, wherein the upper part of the dry channel outlet is connected with an air inlet of a primary air fan, the lower part of the dry channel outlet is communicated with an air inlet of the second level wet channel of the heat exchanger; an air inlet of a secondary air fan arranged on the front lower part of a shell is communicated with an air inlet of the first level wet channel of the heat exchanger; air outlets of the first level and the second level wet channels of the heat exchanger are communicated with the air inlet of the secondary air fan. The invention has the advantages of relatively small resistance and pressure drop of the system, high evaporative cooling efficiency, compact assembly structure and small volume, and can improve the isohumidity temperature reduction efficiency of the primary air and make the outlet air temperature of the assembly being close to the dew-point temperature of the inlet air.
Description
Technical field [0001] The invention relates to the technical field of renewable energy, and belongs to the improvement of air conditioning equipment, in particular a cross-flow composite indirect evaporative cooling air processor with dry air as a power source. Background technique [0002] The indirect evaporative cooler is essentially a special heat exchanger, a composite heat exchanger of direct contact (hybrid) heat and mass exchange equipment and partition heat exchanger. For indirect evaporative coolers, most mature applications are cross-flow heat and moisture exchange types. [0003] The ratio of the secondary air flow rate to the primary air flow rate has a direct impact on the cooling efficiency of the indirect evaporative cooler. Theories and experiments show that with the increase of the secondary air flow rate, the cooling efficiency of the indirect evaporative cooler always increases, but it is two When the secondary air flow rate increases to a certain value, the i...
Claims
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IPC IPC(8): F24F5/00
Inventor 于向阳
Owner 于向阳