HRB400-CrWD hot-rolled coiled plate blank heating furnace
A slab heating, hrb400-crwd technology, applied in the field of heating furnace, can solve the problems of residual accumulation of slag debris, failure of heat dissipation in the heating furnace, and influence on the heat dissipation performance of the inner wall of the heating furnace, so as to enhance the heating quality and improve the utilization rate of heat Effect
Pending Publication Date: 2020-07-28
JINGYE STEEL CO LTD
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Problems solved by technology
[0003] However, after the existing hot-rolled coil and slab heating furnace burns and heats for a long time, residual slag debris will accumulate on the inner wall of the heating furnace. Once the slag debris reaches a certain thickness, it will affect the inner wall of the heating furnace. poor heat dissipation performance, resulting in the furnace not being able to dissipate heat quickly and safely
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[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0042] Such as Figure 1-Figure 5 As shown, a HRB400-CrWD hot-rolled coil slab heating furnace includes: a heating furnace body 3;
[0043] The interior of the heating furnace body 3 is provided with two equidistant and parallel partition plates 35, and the partition plate 35 divides the inner cavity of the heating furnace body 3 into a preheating chamber 31, a heating chamber 32 and a soaking chamber 33;
[0044] The preheating chamber 31, the heating chamber 32 and the soaking chamber 33 are all provided with a shunt pipe 2, and the inlet end of the shunt pipe 2 is connected with the gas pipe 1, and the outlet end of the shunt pipe 2 is respectively connected with ...
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The invention discloses an HRB400-CrWD hot-rolled coiled plate blank heating furnace. The heating furnace comprises a heating furnace body; the interior of the heating furnace body is divided into a preheating bin, a heating bin and a soaking bin, flow dividing pipes are arranged on the preheating bin, the heating bin and the soaking bin in a penetrating mode, the outlet ends of the flow dividingpipes communicate with a preheating plate, a heating plate and a soaking plate respectively, a plurality of preheating fire nozzles, heating fire nozzles and soaking fire nozzles are arranged on the preheating plate, the heating plate and the soaking plate respectively, sealing plates are arranged on the inner walls of the opening ends of the two sides of the heating furnace body, threaded connecting rods are connected to one of the sealing plates in a penetrating mode, and scrapers located on the inner walls of the vertical ends of the two sides of the heating furnace body are arranged on thethreaded connecting rods. According to the heating furnace, through the arranged scrapers and telescopic structures matched with the threaded connecting rods, the scrapers can be driven to reciprocate on the inner wall of the heating furnace, and the situation that the heat dissipation performance of the inner wall of the heating furnace is reduced due to too large thickness of slag on the innerwall of the heating furnace is prevented.
Description
technical field [0001] The invention relates to the technical field of heating furnaces, in particular to a HRB400-CrWD hot-rolled coil and slab heating furnace. Background technique [0002] Hot-rolled coils use slabs as raw materials. After being heated, they are made into strip steel by the rough rolling mill and the finishing mill. The machine is rolled into steel strip coils, and the cooled steel strip coils, while in the process of hot-rolled coils, it is necessary to use a heating furnace to heat the slab. [0003] However, after the existing hot-rolled coil and slab heating furnace burns and heats for a long time, residual slag debris will accumulate on the inner wall of the heating furnace. Once the slag debris reaches a certain thickness, it will affect the inner wall of the heating furnace. The poor heat dissipation performance makes the heating furnace unable to dissipate heat quickly and safely. Contents of the invention [0004] The purpose of the present i...
Claims
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IPC IPC(8): F27B17/00F27D13/00F27D25/00B08B9/087F23J1/06
CPCB08B9/087F23J1/06F27B17/00F27D13/00F27D25/001
Inventor 罗华斌康德马红波
Owner JINGYE STEEL CO LTD