Steam and water mixing heater

A steam-water mixing and heater technology, which is applied in the field of heat exchange where the heat exchange medium directly contacts without chemical reaction with each other, can solve problems such as vibration and noise, and achieve the effect of enhancing mixing and reducing vibration

Inactive Publication Date: 2012-09-19
TAIYUAN UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Patent No.: ZL200720025883.7 and Patent No.: ZL201020648625.6 respectively describe steam mixing heaters, but current steam mixing heaters still have serious vibration and noise

Method used

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Examples

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Embodiment Construction

[0011] Such as figure 1 Shown: a steam-water mixing heater, including a steam-water heating chamber, the shell of the steam-water heating chamber is respectively provided with a cold water inlet, a steam inlet and a hot water outlet, the cold water inlet and hot water outlet pass through the Lafal nozzle The outer wall of the Rafal nozzle is provided with numerous small heating holes. The Rafal nozzle is two tapered tube chambers facing the top. The Rafal nozzle and shell at the cold water inlet and hot water outlet A damping spring and a sealing ring are arranged between the bodies.

[0012] At present, the steam-water mixing heater has serious vibration and noise, which seriously affects the safety and health of the staff. Due to the severe vibration, the upstream and downstream pipelines often break, which stops the normal work of the factory. The vibration mainly occurs in steam and cold water. In the Rafal tube that is in direct contact with the mixture, although t...

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Abstract

The invention discloses a steam and water mixing heater which is a novel heating device for directly mixing steam and water (or other liquids) and belongs to the field of heat exchange. The steam and water mixing heater has the benefits a follows: a damping spring is additionally arranged between a laval nozzle and a casing, so that oscillation of the laval nozzle, which is generated when steam and cold water are mixed, can enable the oscillation of the casing to be reduced through buffering action of the damping spring; the central axis of a steam inlet is shifted a certain distance from the central axis of the laval nozzle, so that the steam is prevented from directly impacting the laval nozzle after entering; the steam generates swirlflow inside, so that oscillation to the equipment is reduced; and the swirling steam enters the laval nozzle through heating holes, so that the mixing of the steam and the cold water is strengthened, and further, the steam and the water can be uniformly mixed in a shorter time.

Description

technical field [0001] The invention belongs to the field of heat exchange, especially the field of heat exchange in which heat exchange media are in direct contact without chemical reaction with each other. Background technique [0002] The steam-water mixing heater is a new type of heating device that directly mixes steam and water (or other liquids). It uses steam to directly heat water (or liquids) to increase its temperature. Compared with other indirect heat exchange equipment, the steam-water mixing heater has the characteristics of high heat exchange efficiency, low noise, simple installation and low cost. It is the most ideal steam heating equipment in bath water supply, production and domestic hot water supply and hot water heating system. At the same time, it is widely used in the mixing and heating of fluids in food brewing, medicine, chemical industry, petroleum, rubber, papermaking and other industries. [0003] When working, the heated water passes throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28C3/08F16F15/04
Inventor 张兴芳张铱鈖张兴惠晁攸明武升张俊辉刘建
Owner TAIYUAN UNIV OF TECH
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