Saturated vapor over heat system and steam superheater
A superheated furnace and steam technology, which is applied in the directions of steam superheating, steam generation, lighting and heating equipment, etc., can solve problems such as energy waste, reduction of steam consumption, and emptying, and achieve pollution reduction, utilization and conservation, and improvement of economic benefits. Effect
Active Publication Date: 2010-02-03
HANGZHOU BOILER GRP CO LTD
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Problems solved by technology
Due to large changes in the heat load of steam users, especially in summer, the steam consumption is greatly reduced, but it is not fully used, and some of them still have emptying phenomena
In addition, various coal gases are produced by-products in the process of steel mills. Some of these coal gases have very low calorific value, and some of them are limited in quantity and difficult to use.
Therefore, there is a widespread phenomenon of energy waste
Method used
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Embodiment Construction
[0015] Such as figure 1 As shown, 1 is the heat accumulator. When the amount of saturated steam produced by the enterprise is greater than the rated load of the superheating furnace, the steam will enter the heat accumulator and be stored. One can be set according to the pressure and flow rate of the saturated steam, as well as the change range of the flow rate. or multiple heat accumulators; when the amount of by-product saturated steam is less than the rated value of the superheating furnace, the heat accumulator will supply steam to the outside; 2 is a steam-water separation device, and the steam carrying moisture from the heat accumulator is in the separator The steam-water separation is further carried out so that the steam entering the superheating furnace can meet the requirements. 3 is the superheating furnace. The superheating furnace superheats the saturated steam and reaches the rated steam parameters. The gas burner of the superheating furnace can use blast furnace...
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The invention discloses a saturated vapor superheated system and a superheater. The system utilizes a certain number of heat accumulators, so as to maintain the vapor flow rate in balance as much as possible; meanwhile, the system is also provided with a steam-water apparatus, so that water content in the vapor in the superheater can be in a specified range before entering the superheater; the vapor out of the superheater is blown into a turbogenerator set before generating power prior to entering a condenser; then, the vapor will again enter the superheater and be heated before being sent into a deoxidizer prior to a process device. The superheater burner is designed into a multi-functional burner with a heat-insulating fire box; the burner is mounted with two-stage superheaters; the two-stage superheaters can be provided with a desuperheater, in order to guarantee rated vapor parameters; besides, the invention is also mounted with a condense water heater and an air pre-heater. The invention sufficiently utilizes and saves energy, in order to improve economic effects of enterprises and lower environmental pollution.
Description
technical field [0001] The invention relates to a thermal system and related equipment in thermal energy engineering, and further relates to a device and a system for improving the utilization efficiency of saturated steam and burning low-grade coal gas overheating furnace. Background technique [0002] At present, most steel mills have saturated steam by-produced in the process, and the pressure of this saturated steam is generally low. Due to the large change in heat load of steam users, especially in summer, the steam consumption is greatly reduced, but it is not fully used, and some of them still have emptying phenomenon. In addition, various coal gases are by-produced in the process of steel mills. Some of these coal gases have very low calorific value, and some of them are limited in quantity and difficult to use. Thereby, the phenomenon of energy waste is ubiquitous. Contents of the invention [0003] The purpose of the present invention is to provide a set of sys...
Claims
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IPC IPC(8): F22G1/16F22G7/00
Inventor 屠柏锐赵剑云侯晓东
Owner HANGZHOU BOILER GRP CO LTD