New technology and system for preparing high-purity carbon monoxide by temperature control transformation

A carbon monoxide and temperature control conversion technology, which is applied in the field of new processes and systems for preparing high-purity carbon monoxide, can solve problems such as high cost, and achieve the effects of low cost, simple process and high purification accuracy

Inactive Publication Date: 2016-11-23
茂县鑫新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, in view of the above problems, it is necessary to propose a new process and system for preparing high-purity carbon monoxide by temperature-controlled transformation. The problem of high cost of the method, the purification process is simple, the purification precision is high, and the use is convenient

Method used

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  • New technology and system for preparing high-purity carbon monoxide by temperature control transformation

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] like figure 1 Shown, a kind of new technology that utilizes temperature-controlled transformation to prepare high-purity carbon monoxide comprises the following steps:

[0033] S1. Buffer storage: Send the tail gas of the calcium carbide furnace into the carbon monoxide gas holder for buffering, mixing and storage;

[0034] S2. Water ring compression: Send the calcium carbide furnace tail gas in the carbon monoxide gas tank into the water ring compressor to pressurize to 30KPa;

[0035] S3. Wet dedusting: Send the calcium carbide furnace tail gas compressed by the water ring into the packing tower with the Pall ring inside. The calcium carbide furnace tail gas enters from the lower part, and is carried out with the cold water entering the middle and upper part of the packing tower until the dust in the calcium carbide furnace tail gas Detox to 20mg / M 3 the following;

[0036] S4. Gas compression: Send the calcium carbide furnace tail gas after wet dedusting into the ...

Embodiment 2

[0044] A new process for preparing high-purity carbon monoxide by temperature-controlled transformation, comprising the following steps:

[0045] S1. Buffer storage: Send the tail gas of the calcium carbide furnace into the carbon monoxide gas holder for buffering, mixing and storage;

[0046] S2. Water ring compression: Send the calcium carbide furnace tail gas in the carbon monoxide gas tank into the water ring compressor to pressurize to 60KPa;

[0047] S3. Wet dedusting: Send the calcium carbide furnace tail gas compressed by the water ring into the packing tower with the Pall ring inside. The calcium carbide furnace tail gas enters from the lower part, and is carried out with the cold water entering the middle and upper part of the packing tower until the dust in the calcium carbide furnace tail gas Detox to 20mg / M 3 the following;

[0048] S4. Gas compression: send the calcium carbide furnace tail gas after wet dedusting into the carbon monoxide compressor, so that the...

Embodiment 3

[0056]A new process for preparing high-purity carbon monoxide by temperature-controlled transformation, comprising the following steps:

[0057] S1. Buffer storage: Send the tail gas of the calcium carbide furnace into the carbon monoxide gas holder for buffering, mixing and storage;

[0058] S2. Water ring compression: send the calcium carbide furnace tail gas in the carbon monoxide gas tank into the water ring compressor to pressurize to 50KPa;

[0059] S3. Wet dedusting: Send the calcium carbide furnace tail gas compressed by the water ring into the packing tower with the Pall ring inside. The calcium carbide furnace tail gas enters from the lower part, and is carried out with the cold water entering the middle and upper part of the packing tower until the dust in the calcium carbide furnace tail gas Detox to 20mg / M 3 the following;

[0060] S4. Gas compression: Send the calcium carbide furnace tail gas after wet dedusting to the carbon monoxide compressor, so that the pr...

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Abstract

The invention discloses a new technology and a system for preparing high-purity carbon monoxide by temperature control transformation and a system. The new technology includes the steps: buffering storage, compressing water rings, exhausting dust by a wet method, compressing gas, firstly purifying, secondly purifying, desorbing CO2, concentrating CO, refining CO and filling. By the new technology, feed gas is roughly purified by temperature control transformation to refine carbonic oxide, the new technology solves the problem of high cost of a traditional refining method of formamide decomposition, formic acid decomposition and the like and is simple in refining process, high in refining precision, low in cost and convenient to use.

Description

technical field [0001] The invention relates to the technical field of carbon monoxide purification, in particular to a new process and system for preparing high-purity carbon monoxide by means of temperature control transformation. Background technique [0002] In modern industrial production, carbon monoxide is one of the important basic raw materials of carbon chemistry. It can be used in the production of various organic chemicals, such as formic acid, oxalic acid, acetic acid, acetic anhydride, propionic acid, acrylate, carboxylate, dimethyl Synthesis of organic chemicals such as phenyl formamide, diisocyanate, polycarbonate and polyurethane raw material gas. However, while the types of oxo organic chemicals continue to increase, higher requirements are also placed on the separation technology of carbon monoxide. [0003] Industrially, the synthetic gas produced by steam reforming or partial oxidation of petroleum or natural gas, or the water gas or semi-water gas prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/18
Inventor 孙俊超孙孟君何平元廖绍元李君炎杨仁刚王怀明
Owner 茂县鑫新能源有限公司
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