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Low-temperature evaporator

A low-temperature evaporator, operating valve technology, applied in container filling method, container discharge method, gas/liquid distribution and storage, etc., can solve the problem of low efficiency, improve work efficiency, improve operability, and improve sealing performance Effect

Inactive Publication Date: 2008-10-01
NIPPON SANSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, when the operator supplies liquefied gas to the storage tank, the open valve and the closed valve are very close, and it takes a lot of work time to confirm the type of the valve, and there is a problem of inefficiency.

Method used

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Embodiment approach

[0031] figure 1 It is a plan view of the low-temperature evaporator according to the embodiment of the present invention, figure 2 is the front view of the lower part of the same cryogenic evaporator, image 3 is its lower right side view, and Fig. 4 is its left side view.

[0032] In the low-temperature evaporator 1 of the present invention, a plurality of operating valves located in the lower part of the liquefied gas storage tank 2 are divided into two or more groups 10, 20, 30..., respectively, according to the type of operators. These valve groups 10, 20, 30... are constituted by one or more operating valves. These valve groups 10 , 20 , 30 . . . are arranged in the lower periphery of the low-temperature evaporator 1 separately from each other. Between these valve groups 10, 20, 30..., the linear distance between the operating part (hand wheel) of the closest operating valve at the end of the valve group and the operating part is more than 0.3m, preferably set more ...

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Abstract

The invention provides a cold evaporator, facilitating confirmation about the type of a valve operated by an operator and improving the work efficiency. In this cold evaporator provided with a plurality of operating valves in the lower part of a liquefied gas storage tank 2, these operating valves are divided into two or more valve groups 10, 20, 30 by work classification of the operator, and the valve groups 10, 20, 30 are disposed separately from each other.

Description

technical field [0001] The present invention relates to an invention of a low-temperature evaporator, especially an invention about the configuration of an operating valve of a low-temperature evaporator. Background technique [0002] The so-called low-temperature evaporator (CE) refers to storing ultra-low temperature liquefied gases such as oxygen, nitrogen, argon, carbon dioxide, liquefied natural gas (LNG), liquefied ethylene, and freon at a predetermined pressure, and sending them out in liquid form as required, or A device that vaporizes with an evaporator and sends it out in the form of a gas at room temperature. This is a conventionally known device. [0003] Figure 5 with Figure 6 It is a top view and a lower front view of a conventional low temperature evaporator. Traditionally, in order to facilitate welding, shorten the length of piping, reduce useless space, and reduce equipment costs in the manufacture of storage tanks for low-temperature evaporators, such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C13/04F17C13/00F17C13/02
Inventor 原田裕司吉田隆
Owner NIPPON SANSO CORP