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A shell and tube evaporative condenser

An evaporative condenser and shell-and-tube technology, which is applied in the field of shell-and-tube evaporative condensers, can solve the problems of increasing the condenser volume, difficulty in managing circulating water, low heat exchange efficiency, etc., and achieves a simple and convenient treatment method and low production cost. , the effect of low failure rate

Active Publication Date: 2017-09-01
张红生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the evaporative condensation technology that has been applied in our country has defects such as huge equipment, complex structure, low heat transfer efficiency, and inability to clean.
Most of the existing condensers have an open water circulation system, including water pumps, water trays, water distributors, etc. During use, additional circulating water is required, which will not only increase the volume of the condenser, but also waste more water due to water circulation. There are many power resources, and the management of circulating water itself is very difficult, and it is prone to water leakage, overflow, water spray, flying water, etc. Since it is an open circulating water, it will definitely be polluted by air, and there will be A lot of cleaning and water changes have to be done. Today's condensers have no way to deal with the scale generated after water evaporation; the heat transfer materials used in the existing evaporative condensation technology are stainless steel plates, hot-dip galvanized plates, carbon Steel pipe and other materials, the thermal conductivity of these materials is between 40-50W / m℃, and the water is directly poured on the surface of the heat exchanger, and the air flow on the water surface is accelerated by the fan, so that the water evaporates and absorbs heat exchange the heat in the

Method used

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  • A shell and tube evaporative condenser
  • A shell and tube evaporative condenser

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The invention is a shell-and-tube evaporative condenser, which is composed of an atomization device 1, a heat exchange device, a negative pressure fan 3, and a water-gas separation device 4. The heat exchange device consists of a cylinder body 7, a tube plate 8, and a heat exchange copper tube. 9 components, the water-gas separation device 4 includes a separation filter element 12, a water-gas separation air inlet 13, an air outlet 14, and a water outlet 15. One side of the atomization device 1 is provided with a water inlet 5 and an air inlet 6, and the air inlet 6 is connected with a The blower is connected to the heat exchange device on the other side. The upper side of the cylinder 7 of the heat exchange device is provided with an air inlet 10, and the lower side is provided with a liquid outlet 11. A tube plate 8 is installed on the cylinder body 7, and the tube plate 8 is connected to the The heat exchange copper tube 9 is fixed together, the other end of the heat ...

Embodiment 2

[0012] When the device is started, the blower on the atomizing device 1 will blow high-pressure wind into the atomizing device 1, and then the water in the side water inlet 5 will also be blown into the atomizing device 1 under the action of high-pressure air jet suction. and then fully mixed and atomized in the atomization device 1; the atomized water and air are sucked into the heat exchange copper tube 9 of the heat exchange part by the negative pressure of the negative pressure fan 3 for convection, evaporation and absorption shell process The heat of the cooled substance inside; the air and water vapor after heat exchange and a small amount of water mist that may not be evaporated are sucked away by the fan; then enter the gas-water separation device 4 through the air inlet 13 of the water-gas separation device 4, and the gas-water separation The separation filter element 12 in the device 4 separates a small amount of water that may not be evaporated and recovers it throug...

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Abstract

The invention provides a shell-and-tube evaporative condenser, which is characterized in that it includes an atomizing device, a heat exchange device, a negative pressure fan, and a water-gas separation device. One side of the atomizing device is provided with a water inlet and an air inlet. The other side of the atomization device is connected to the heat exchange device. The heat exchange device is composed of a cylinder, a tube plate, and a heat exchange copper tube. The upper side of the cylinder is provided with an air inlet, and the lower side is provided with a liquid outlet. Scale will appear in the present invention, and generally the scale is mostly on the inner wall of the copper pipe, and the copper pipe is also a straight pipe, and the scale can be processed by chemical or physical methods, and the processing method is simple and convenient. The present invention is simple in structure, small in size, low in power consumption, low in production cost, reliable in operation, and low in failure rate; the heat-conducting material of the present invention uses copper tubes, and the thermal conductivity of copper is 386W / m°C, and water is After being atomized, it is sucked into the copper tube, and evaporates and absorbs heat under negative pressure.

Description

technical field [0001] The invention relates to a condenser, in particular to a shell and tube evaporative condenser. Background technique [0002] A condenser is a device that can condense a gaseous substance into a liquid state. Generally, the substance is condensed by cooling. During the condensation process, the substance releases latent heat to increase the temperature of the refrigerant in the condenser. At present, the evaporative condensation technology that has been applied in our country has defects such as huge equipment, complex structure, low heat exchange efficiency, and inability to clean. Most of the existing condensers have an open water circulation system, including water pumps, water trays, water distributors, etc. During use, additional circulating water is required, which will not only increase the volume of the condenser, but also waste more water due to water circulation. There are many power resources, and the management of circulating water itself i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28B1/00
Inventor 张红生
Owner 张红生