System and technology for purifying cold water by methane

A technology of chilled water system and biogas, applied in the petroleum industry, gas fuel, fuel and other directions, can solve the problems of water chiller consumption, increase operating cost, large energy, etc., and achieve the effect of saving operating cost, reducing operating cost and small investment

Active Publication Date: 2013-04-03
开封黄河空分集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the cold and hot water in the cold water tank is unevenly mixed, the chiller will consume more energy and increase the operating cost

Method used

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  • System and technology for purifying cold water by methane
  • System and technology for purifying cold water by methane
  • System and technology for purifying cold water by methane

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Embodiment Construction

[0033] Such as figure 2 Shown, the present invention comprises absorption tower 1, first-level desorption tower 2, secondary desorption tower 3 that are connected successively by pipeline, also includes cold water tank 6, circulating water pump 7, water chiller 5, secondary desorption tower 3 lower sides are arranged There are two water outlets; the left side of the cold water tank 6 is provided with a normal temperature process water pipe port 64 and a low temperature process water pipe port 65, and the right side of the cold water tank 6 is provided with a water outlet port. One of the water outlets of the secondary desorption tower 3 is connected to the low-temperature process water pipe port 65 of the circulating water pump 7, the chiller 5 and the cold water tank 6 through a pipeline, and the other water outlet of the secondary desorption tower 3 is directly connected to the cold water tank through a pipeline. The normal temperature process water nozzle 64 of 6 is connec...

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PUM

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Abstract

The invention discloses a system for purifying cold water by methane. The system comprises the following components of an absorption tower, a first desorption tower, a secondary desorption tower, a water chiller, a technical water pump, a cold water tank and a circulating water pump. One side of the cold water tank is provided with a normal temperature technical water pipe and a low temperature technical water pipe; the underside of the secondary desorption tower is provided with two water outlets, wherein one water outlet is connected successively with the circulating water pump, the water chiller and the low temperature technical water pipe of the cold water tank through a pipeline, the other water outlet is connected directly with the normal temperature chemical water pipe of the cold water tank through a pipeline; the other side of the cold water tank is provided with a water outlet which is connected with the technical water pump through a pipeline, and the water pump is connected with the inlet on upper side of the absorption tower. The system in the invention can greatly reduce the load of the water chiller so as to achieve the effect of reducing the operating cost. The technology in the invention is based on the methane purification project, the cooling-water machine selected has the advantages of small investment, low operating cost, little equipment wastage, safe and effective, reliable system operation, and achieve the aims of energy conservation and cost reduction.

Description

technical field [0001] The invention relates to the field of biogas purification and purification reclaimed water systems, in particular to a frozen water mixing system and process for biogas purification. Background technique [0002] In the existing chilled water process, after the absorption is completed from the absorption tower, the water system adopts a circulating water system. Such as figure 1 As shown, after the absorption tower 1 completes the absorption, the washing liquid goes from the bottom of the absorption tower 1 to the primary analysis tower 2. The washing liquid after the primary analysis is decompressed to normal pressure and then enters the secondary analysis tower 3 . After the process water is decomposed in the secondary desorption tower 3, it is pressurized by the process water pump 4 and then enters the chiller 5 to cool to 8°C and then enters the absorption tower 1 to complete the circulation of the entire water system. Since the pressure of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10
Inventor 康相江郭小卫王好民宋真真张晓戈
Owner 开封黄河空分集团有限公司
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