Nitrogen vaporization system and method for improving vaporization rate of nitrogen vaporizer

A carburetor and vaporization rate technology, applied in the field of machinery, can solve the problems of affecting the vaporization effect, easy formation of thin ice at the outlet end of the carburetor, etc., and achieve the effects of easy control, improved service life, and convenient floor space

Inactive Publication Date: 2020-03-27
上海意内西机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems existing in the prior art, the present invention provides a nitrogen vaporization system that improves the vaporization rate of the nitrogen vaporizer to solve the existing technical problem that thin ice is easily formed at the outlet of the vaporizer and affects the vaporization effect
[0007] The present invention also provides a method for improving the vaporization rate of the nitrogen vaporizer to solve the existing technical problem that thin ice is easily formed at the outlet of the vaporizer and affects the vaporization effect

Method used

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  • Nitrogen vaporization system and method for improving vaporization rate of nitrogen vaporizer
  • Nitrogen vaporization system and method for improving vaporization rate of nitrogen vaporizer
  • Nitrogen vaporization system and method for improving vaporization rate of nitrogen vaporizer

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specific Embodiment 1

[0049] Specific embodiment 1, see figure 1 as well as figure 2 , a nitrogen vaporization system for improving the vaporization rate of a nitrogen vaporizer, comprising a nitrogen vaporization system, the nitrogen vaporization system includes a liquid nitrogen delivery pipeline, a vaporizer 2 and a nitrogen delivery pipeline sequentially connected along the diversion direction, and also includes a cooling water circulation system, the cooling water circulation system includes a cooling water tank 4, and the vaporizer 2 is immersed in the cooling water tank 4; the water outlet of the cooling water tank 4 is connected with the cooling water inlet of the pit furnace 3; Hot water circulation system, the hot water circulation system includes a hot water tank 6; the outlet of the hot water tank 6 is connected to the inlet of the cooling water tank 4 through the circulating water pump 5, and the inlet of the hot water tank 6 is connected to the cooling water tank 4 through a circulat...

specific Embodiment 2

[0053] Specific embodiment 2, see image 3 , on the basis of the specific embodiment 1, it also includes an auxiliary vaporizer 1, the auxiliary vaporizer 1 and the vaporizer 2 are arranged in parallel, the inlets of the auxiliary vaporizer 1 and the vaporizer 2 are respectively connected to the liquid nitrogen delivery pipeline through a valve, the auxiliary vaporizer 1 and the vaporizer 2 The outlets of the outlets are respectively connected to nitrogen delivery pipelines through valves. Through the arrangement of the auxiliary vaporizer 1 , the problem of freezing of the water surface of the cooling water tank 4 during the heat absorption process of the vaporizer 2 is avoided. When the temperature in the cooling water tank 4 is lower than the set value (such as 10° C.) or the vaporizer 2 has been working for a certain period of time (such as 4 hours), the vaporization capacity of the vaporizer 2 decreases, and the vaporizer 2 does not transport liquid nitrogen, and the auxi...

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Abstract

The invention provides a nitrogen vaporization system capable of improving vaporization rate of a nitrogen vaporizer. The system comprises a nitrogen vaporization system which comprises a vaporizer. The system also comprises a cooling water circulation system; the cooling water circulation system comprises a cooling water tank, and the vaporizer is immersed in the cooling water tank; a water outlet of the cooling water tank communicates with a cooling water inlet of a pit furnace, and a water inlet of the cooling water tank communicates with a cooling water outlet after heat exchange in the pit furnace; the system further comprises an auxiliary vaporizer; the auxiliary vaporizer and the vaporizer are arranged in parallel; inlets of the auxiliary vaporizer and the vaporizer are respectivelyconnected with a liquid nitrogen conveying pipeline through valves; and outlets of the auxiliary vaporizer and the vaporizer are respectively connected with a nitrogen conveying pipeline through valves. The problem that thin ice is formed at the outlet end of the vaporizer is solved, the vaporization rate of the vaporizer is increased, and the service life of the vaporizer is prolonged.

Description

technical field [0001] The invention relates to the field of mechanical technology, in particular to a nitrogen vaporizer. Background technique [0002] Pit furnaces are equipment used for heat treatment of metals. [0003] At present, the pit furnace needs to continuously transport nitrogen gas. Nitrogen gas is produced after passing through the vaporizer through liquid nitrogen. The vaporizer continuously releases heat during operation, and there will be condensed water at the outlet of the vaporizer. If it works for a long time, it will seriously cause There is thin ice at the outlet, which affects the working effect of the vaporizer and affects the vaporization rate. [0004] The motor and other working parts in the pit furnace need to transport cooling water, which is usually generated by cooling towers. Cooling towers require high energy consumption. [0005] The existing evaporator and cooling tower work independently, which is easy to cause waste of energy. At pre...

Claims

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Application Information

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IPC IPC(8): F17C7/04F17C13/02F17C13/04C21D9/00
CPCC21D9/00F17C7/04F17C13/02F17C13/026F17C13/04F17C2221/014F17C2223/013F17C2225/0123F17C2227/042F17C2250/0631F17C2260/046F17C2270/05
Inventor 赵海康
Owner 上海意内西机械制造有限公司
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