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High efficiency Hybrid Cooler/Condenser

Date: Oct 22nd, 2020
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1. Continuous catalytic reforming unit
Application Introduction
Continuous catalytic reforming unit is a kind of petroleum secondary processing technology. The main raw materials for processing are straight run naphtha and hydrogenated naphtha with low octane number. The application positions of high efficiency hybrid cooler are reforming product cooling and circulating gas compressor drag cooling.

2. Continuous recontacting part
Application Introduction
In the continuous recontacting device, the hydrogen from the reformer gas is compressed by the first, second and third stages of the compressor, and then enters the recontacting and other equipment. The application position of high-efficiency hybrid cooler is the cooling and condensation of gas after the first, second and third stage compression, and the vapor condensation driven by the exhaust gas of the compressor itself.

3.  Fractionation section after reforming
Application Introduction
Aromatics separation unit II: in continuous reforming unit, alkanes and cycloalkanes in naphtha are converted into aromatics, and small molecule non-aromatics are separated through depentanizer, debutanizer, and C6 tower. The application positions of high efficiency hybrid cooler are top cooling of depentanizer, debutanizer and dec6 tower and stable gasoline cooling.

4. Aromatics separation unit
Application Introduction
The mixed medium from the aromatics separation part is sent to the aromatics separation section for treatment. The mixed aromatics are pumped to the benzene tower to separate benzene. The mixed aromatics are sent to the toluene tower at the top of the benzene tower to separate toluene. Then they are sent to the xylene tower, ethyl benzene tower and o-xylene tower to separate xylene, ethyl benzene tower and o-xylene tower, and then to the heavy toluene tower. The application position of high efficiency hybrid cooler is top cooling of benzene tower, toluene tower, xylene tower, ethyl benzene tower and o-xylene tower.

5. Ethylene (MTO) reaction system
Application Introduction
Ethylene (MTO) reaction system includes quench fractionation and dilution steam reaction system. The quench water tower cools and fractionates the mixed ethylene medium. The function of dilution steam reaction system is to purify the condensate of diluted water vapor, and the condensed water is used to generate water vapor for recycling. The application position of high efficiency hybrid cooler is quench water cooling and purified water cooling.

6.  Ethylene (MTO) cracking gas compression section
Application Introduction
In ethylene (MTO) cracking and compression unit, the cracked gas from cracking process is compressed in five stages to provide conditions for cryogenic separation. During the compression process, the cracked gas is cooled and separated step by step to remove heavy hydrocarbon and water. At the same time, alkali washing is set at the outlet of all three stages to remove the acid gas, so as to provide qualified cracked gas for the separation system. The application position of high efficiency hybrid cooler is the cooling of the first, second, third, fourth and fifth stages, and the condensation of vapor driven by the exhaust gas of the compressor itself.

7.  Ethylene (MTO) separation section
Application Introduction
Ethylene (MTO) separation unit: the material separated from the demethanizer is treated by deacetylene tower, acetylene converter, ethylene dryer and ethylene rectification tower to obtain high-purity ethylene. The application positions of high efficiency hybrid cooler are top cooling of deacetylene tower, material cooling of acetylene converter and top cooling of ethylene rectification tower.

8. Ethylene (propylene) compressor section
Application Introduction
Ethylene or propylene compressor can be used as low temperature refrigerant. After the compressor, ethylene or propylene condenses from gas to liquid. The application position of high efficiency hybrid cooler is ethylene or propylene gas condensation after the compressor; vapor condensation driven by exhaust gas of compressor itself.
 
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