trapezoidal superheater

A superheater and trapezoidal technology, applied in the field of trapezoidal superheaters, can solve the problems of high hardness of granulated slag, and achieve the effects of improving thermal efficiency, optimizing force, and free expansion

Active Publication Date: 2019-06-04
BEIJING TIANSU SUNLIGHT LOW CARBON TECH
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Problems solved by technology

However, in the dry / semi-dry utilization process of slag for heat utilization, due to the high temperature of slag particles after granulation, further waste heat recovery and utilization are still required, but the granulated slag has high hardness and is mainly composed of particulate matter. , the existing waste heat utilization settings need to be innovated to adapt to the characteristics of the heat medium

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Embodiment Construction

[0010] The structure, principle and working process of the trapezoidal superheater provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0011] The trapezoidal superheater is a superheater creatively designed in conjunction with the evaporator 7 arranged obliquely. as attached figure 1 As shown, the device is arranged above the obliquely arranged evaporator 7 and is located at the top of the waste heat recovery device 1 . The trapezoidal superheater includes a trapezoidal superheater tube bundle 10 arranged inside the waste heat recovery device 1 , and an upper superheater header 12 a and a lower superheater header 12 b arranged outside the waste heat recovery device 1 . The superheater tube bundle 10 is a serpentine tube connected between the superheater upper header 12a and the superheater lower header 12b.

[0012] After the liquid slag at 1000~1500℃ is granulated by dry or semi-dry granulation equipment, the ...

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Abstract

A trapezoidal superheater is arranged above an inclined evaporator and on the top of a movable bed. The device comprises a trapezoidal-structure superheater pipe bundle arranged in a waste heat recovery device, a superheater upper collection box and a superheater lower collection box, wherein the superheater upper collection box and the superheater lower collection box are arranged outside the waste heat recovery device; the superheater upper collection box is connected with a temperature lowering device; and the superheater lower collection box is connected with a steam pocket. The trapezoidal superheater is matched with the inclined evaporator, has the beneficial effects of guaranteeing that materials flow through uniformly, improving the heat efficiency of the waste heat recovery device and the like, and can expand freely, and stress is optimized.

Description

technical field [0001] The invention relates to a trapezoidal superheater, which belongs to the technical field of thermal energy engineering and engineering thermophysics. Background technique [0002] Slag is a high-temperature, molten product in the metallurgical production process, such as liquid blast furnace slag, steel slag, copper slag, etc., which contains rich heat energy resources. For example, liquid blast furnace slag is a typical molten slag. The quenched blast furnace slag forms a large amount of glass phase amorphous substance, which has high hydration activity and is a high-quality raw material for the production of cement and other building materials. At the same time, the temperature of liquid blast furnace slag is between 1300°C and 1600°C, which has a high value of heat energy recovery and utilization. However, in the dry / semi-dry utilization process of slag for heat utilization, due to the high temperature of slag granulated particles, further waste he...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22G3/00
CPCF22G3/00
Inventor 蒙爱红徐可培
Owner BEIJING TIANSU SUNLIGHT LOW CARBON TECH
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