Heat accumulating type steam regulator
A regulator and heat storage technology, applied in the direction of steam superheating, steam generation, superheating temperature control, etc., can solve the problems of large superheater design, small adjustment range, insensitive surface desuperheater, etc.
Inactive Publication Date: 2011-09-28
山东万众节能工程技术有限公司
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Problems solved by technology
[0006] There are many problems in these two desuperheaters. Whether it is a surface desuperheater or a water spray desuperheater, cooling water is used to reduce the steam temperature, and the steam temperature must not be increased.
Therefore, the design of the superheater is very large, wasting a lot of precious high-grade alloy steel
When the steam temperature is lower than the requirement, there is no way but to allow it to reduce thermal efficiency and other problems
In addition, the surface desuperheater is insensitive, the adjustment range is small, and the water spray desuperheater has extremely high water quality requirements and is prone to thermal stress damage.
Method used
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0018] figure 1 , 2 Among them, the two ends of the shell 2 are respectively provided with a steam inlet pipe 1 and a steam outlet pipe 4, and the shell 2 is provided with a number of axially arranged heat storage cylinders 3, and the heat storage cylinders 3 are composed of several layers of concentric surfaces in an axial direction. It consists of corrugated cylinders 5, and the ends of the cylinders 5 are fixedly connected by steel bars.
[0019] The shell 2 is made of a seamless steel pipe whose wall thickness is determined through strength calculation according to the pressure and temperature of the boiler steam. According to the size of the boiler capacity, its inner diameter is 200-350mm and its length is within the range of 5000-15000mm.
[0020] Heat storage cylinder 3: according to the size of the boiler capacity, it is composed of 5 to 15 c...
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Abstract
The invention relates to a heat accumulating type steam regulator comprising a case. Two ends of the case are respectively provided with a steam inlet tube and a steam outlet tube; a plurality of axially arranged heat accumulating cylinders are arranged in the case, each heat accumulating cylinder is composed of a plurality of layers of homocentric barrels in axial waveform, and the end of each barrel is fixedly connected through reinforcing steel bars. The heat accumulating type steam regulator of the invention is installed on the outlet of a boiler superheater or is arranged between two levels of superheaters. Superheated steam is introduced into from the steam inlet tube, longitudinally and successively enters each waveform cylinder, is led out from the steam outlet tube after adsorbing, storing or releasing heat (adjusting steam temperature) by the waveform cylinder surface (heat accumulating element) and is sent to a user or the next level of superheater. The invention can ensurethe safety of the superheater, the pipeline and relevant thermodynamics equipment, greatly improves the heating capacity of the boiler and the heat efficiency of the thermodynamics equipment and can save a great quantity of precious high-grade alloy steel for designing the boiler superheater.
Description
technical field [0001] The invention relates to a boiler auxiliary equipment, in particular to a regenerative steam regulator. Background technique [0002] Boilers are the most common and widely used thermal equipment. Whether it is thermal power generation, steel, textile, chemical, papermaking and other industrial enterprises, or people's lives, the steam and heat produced by boilers must be used to meet the needs of production and life. [0003] In order to save energy, improve energy utilization and heating capacity, large and medium-sized boilers produce and supply superheated steam. Boilers and users have strict requirements on the temperature of superheated steam, because the temperature of superheated steam is too high, which will damage or even explode the boiler superheater, steam pipeline and subsequent equipment (such as steam turbine, etc.) due to the temperature exceeding the allowable value. If the temperature of the superheated steam is too low, the working...
Claims
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IPC IPC(8): F22G5/16C22C38/22
Inventor 宫志利张涛张梦珠
Owner 山东万众节能工程技术有限公司