Phosphorus spray gun for phosphorus supply in a yellow phosphorus combustion furnace
A combustion furnace and yellow phosphorus technology, which is applied in the field of phosphorus spray guns, can solve problems such as uneven spraying, low utilization rate of combustion furnace space, and insufficient yellow phosphorus combustion, and achieve the effects of uniform spraying, expanded range, and improved combustion efficiency
Active Publication Date: 2022-08-05
扬州瑞阳化工有限责任公司
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Problems solved by technology
[0003] Phosphorus spray guns are needed in the thermal phosphoric acid process to spray and burn liquid yellow phosphorus. However, when the phosphorus spray guns in the prior art spray yellow phosphorus, there will be uneven spraying, which will cause local combustion in the combustion furnace. situation, the space utilization rate of the combustion furnace is low, and it will lead to insufficient combustion of yellow phosphorus
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[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0028] see Figure 1 to Figure 9 , The present invention provides a technical solution: a phosphorus spray gun for phosphorus supply in a yellow phosphorus combustion furnace, comprising an outer pipe 1, an inner pipe 2 is arranged inside the outer pipe 1, and a phosphorus feeding pipe 3 is arranged inside the inner pipe 2 , a return pipe 4 is provided between the inner pipe 2 and the pipe wall of the phosphorus feeding pipe 3, a comp...
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The invention relates to the technical field of phosphorus chemical production equipment, in particular to a phosphorus spray gun for phosphorus supply in a yellow phosphorus combustion furnace. A return pipe is arranged between the pipe and the pipe wall of the phosphorus feeding pipe, the end of the outer pipe is connected with a nozzle seat, the nozzle seat is connected with an outer nozzle head, an inner nozzle head is arranged inside the outer nozzle head, and an outer wall of the outer nozzle head is provided with There is a fixing ring, and the fixing ring is connected with an adjustable mounting mechanism. The yellow phosphorus liquid is injected into the inside of the phosphorus feeding pipe, and high-temperature steam is injected into the inner pipe at the same time. At the same time, the compressed gas is injected into the outer pipe, and the yellow phosphorus liquid is sprayed out from the nozzle. The phosphorus liquid is sprayed out in a spiral shape, so that the yellow phosphorus is sprayed evenly, which can improve the combustion efficiency of the yellow phosphorus; an adjustable installation mechanism is provided, which expands the scope of the yellow phosphorus spraying, improves the space utilization rate of the combustion furnace, and makes the yellow phosphorus combustion more efficient. full.
Description
technical field [0001] The invention relates to the technical field of phosphorus chemical production equipment, in particular to a phosphorus spray gun used for phosphorus supply in a yellow phosphorus combustion furnace. Background technique [0002] As we all know, there are two main methods of phosphoric acid production: wet method and thermal method. Among them, phosphoric acid produced by treating phosphate rock with sulfuric acid and other inorganic acids is wet-process phosphoric acid; phosphoric acid obtained by using electric furnace or blast furnace to produce elemental phosphorus and then burning and hydrating is called thermal-process phosphoric acid. Compared with wet-process phosphoric acid, thermal-process phosphoric acid atomizes the added liquid yellow phosphorus with compressed air under the condition of steam heat preservation and transition, so as to improve the combustion quality and efficiency of phosphorus. The purity and concentration of thermal-proc...
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IPC IPC(8): B05B1/02B05B13/04B05B15/00C01B25/20
CPCB05B1/02B05B13/0415B05B15/00C01B25/20
Inventor 李瑶晏世涛李强翟军
Owner 扬州瑞阳化工有限责任公司