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Water-bath steam heating gasification furnace

A heating type, gasifier technology, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc., can solve the problems of gasification temperature deviation from the design value, vibration aggravation, etc., to achieve reliable welding connection, The effect of avoiding water hammer and vibration and reducing the size of the overall structure

Active Publication Date: 2009-09-23
HEFEI GENERAL MACHINERY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the process design coincides with the actual operation point, the equipment may operate normally, but in the actual industrial application process, the gasification temperature often deviates from the design value, and the vibration is obviously aggravated

Method used

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  • Water-bath steam heating gasification furnace
  • Water-bath steam heating gasification furnace
  • Water-bath steam heating gasification furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Referring to Fig. 3, in this embodiment, in the cylinder body 3, a floating tube-sheet heat exchanger 7 is arranged, the water vapor inlet pipe 9 is arranged on the top of the floating tube-sheet heat exchanger 7, and the low-temperature water inlet pipe 5 is arranged on the floating pipe The lower part of the plate heat exchanger 7, the water entering the floating tube sheet heat exchanger 7 from the low temperature water inlet pipe 5 uses the shell 11 of the floating tube sheet heat exchanger 7 as the flow channel, and flows from the floating tube sheet heat exchanger 7 The upper gap is introduced into the cylinder 3;

[0022] A coiled tube heat exchanger 2 is arranged in the cylinder body 3, and a low-temperature liquid inlet tube box 4 and a gas outlet tube box 1 are respectively arranged at the bottom and top of the coiled tube heat exchanger 2 .

[0023] In specific implementation, the corresponding structural settings also include:

[0024] An expansion joint 10...

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Abstract

A water-bath steam heating gasification furnace is characterized in that a floating pipe plate heat exchanger is arranged in a cylinder; a steam inlet pipe is arranged at the top of the floating pipe plate heat exchanger; a low-temperature water inlet pipe is arranged at the lower part of the floating pipe plate heat exchanger; the water entering the floating pipe plate heat exchanger from the low-temperature water inlet pipe takes the shell of the floating pipe plate heat exchanger as a runner and is introduced into the cylinder from the upper clearance of the floating pipe plate heat exchanger; the cylinder is internally provided with an enwound-pipe-type heat exchanger; and the bottom and the top of the enwound-pipe-type heat exchanger are provided with a low-temperature liquid inlet pipe box and a gas outlet pipe box respectively. The gasification furnace can effectively avoid the phenomena of water hammer and vibration when running at the variable working conditions.

Description

technical field [0001] The present invention relates to such as LO 2 , LN 2 , LAr, LNG, LCO 2 、LC 2 h 4 , LPG and other low temperature liquid gasification device. Background technique [0002] Vaporizer is widely used equipment in cryogenic liquid storage vaporization system, its main function is to convert cryogenic liquid (liquid oxygen, liquid nitrogen, liquefied natural gas, etc.) used by industry. [0003] At present, there are many types of gasifiers for industrial installations, including air-heated gasifiers, water-heated gasifiers, and water-bath steam-heated gasifiers. Among them, air-heated vaporizers and water-heated vaporizers have low operating pressure, large footprint, and low processing capacity; water-bath steam-heated vaporizers have large processing capacity, but are prone to vibration and noise. [0004] Common forms of water-bath steam-heated vaporizers Figure 1a and Figure 1b As shown, the two kinds of evaporators are different in the positi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D19/00F28F9/00F28F9/02
Inventor 陈永东张中清吴晓红
Owner HEFEI GENERAL MACHINERY RES INST
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