Low-cost multi-point injection throat pipe

Abstract

The utility model discloses a low-cost multi-point injection throat pipe which comprises a throat pipe body, and a horizontally distributed pipeline is arranged in the throat pipe body. The throat pipe body is fixedly connected with a plurality of reserved pipelines; with the pipeline as the center, the reserved pipeline is circumferentially distributed on the throat pipe body; the throat pipe body is further fixedly connected with a heating pipe, and the periphery of the reserved pipeline is wrapped with the heating pipe. According to the utility model, by arranging the plurality of reserved pipelines, multi-point injection is realized, and raw oil is ensured to be more uniformly and fully mixed with high-temperature flue gas in the reaction furnace, so that the combustion and cracking efficiency is improved. The waste of the raw oil is reduced, and the yield of the carbon black is improved; the heating pipe wraps the periphery of the reserved pipeline, the viscosity of oil can be reduced and the fluidity of the oil can be improved through heating of the heating pipe, so that atomization is promoted, waste heat of the pipeline can be used for heating the heating pipe, the cost is reduced, and the utilization rate of heat is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of carbon black production equipment, concretely relates to a low -cost multi -point injection throat pipe. BACKGROUND

[0002] The carbon black production industry is a high energy consumption industry, how to reduce carbon black production energy consumption is the key of carbon black production enterprise control production cost and improve enterprise market competition ability, the throat pipe is the important production equipment in carbon black production, the throat pipe structure of existing has the raw material oil when entering to the throat pipe in the atomization degree is not enough, and the temperature of raw material before entering is not controlled, influence carbon black product quality.

[0003] Therefore, through the throat pipe structure optimization reconstruction can improve the raw material oil atomization and heat utilization rate of carbon black after, further improve and reduce carbon black energy consumption. UTILITY MODEL CONTENT

[0004] The utility model discloses a low -cost multi -point injection throat pipe can be provided to solve the above -mentioned problem.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A low -cost multi -point injection throat pipe, including the throat pipe body, the inside of throat pipe body is provided with the horizontal distribution pipe way, fixedly connected with a plurality of reservation pipe way on throat pipe body, with pipe way as center, reservation pipe way circumferential distribution is on throat pipe body, still fixedly connected with heating pipe on throat pipe body, and heating pipe is wrapped on the outer periphery of reservation pipe way.

[0007] Further, the outer periphery of the throat pipe body is fixedly connected with a circulation pipe, and the circulation pipe is sequentially connected with the heating pipe.

[0008] Further, the circulation pipe is fixedly connected with a liquid inlet pipe and a liquid outlet pipe.

[0009] Further, the included angles formed between the reservation pipe ways are equal.

[0010] Further, the pipe way includes an air inlet portion and a diffusion portion, the air inlet portion is a pipe body with equal diameters, and the diameter of the pipe body of the diffusion portion gradually increases away from the air inlet portion pipe body.

[0011] Further, the throat pipe body is a cylindrical structure made of refractory material.

[0012] Further, a fixing groove is formed on the outer periphery of the throat pipe body, a plurality of fixing layers are fixedly connected in the fixing groove, and the fixing layers are sequentially distributed from inside to outside.

[0013] Beneficial effects are that:

[0014] The utility model discloses a plurality of reserved pipelines are arranged, realize multi-point injection, ensure that raw oil is more evenly, more fully mixed with high temperature flue gas in the reaction furnace to improve the efficiency of combustion and cracking.

[0015] The heating pipe is wrapped on the outer periphery of the reserved pipeline, the viscosity of oil can be reduced and the flowability of oil can be increased by heating through the heating pipe, thereby promoting atomization, and the utility model can use the waste heat of the pipeline to heat the heating pipe, reduce the cost and improve the utilization rate of heat.

[0016] The utility model discloses a circulating pipe, before the throat pipe body is used, through liquid inlet pipe, a certain temperature liquid is injected in advance, then is injected into heating pipe and is preheated to reserved pipeline, when the throat pipe body starts to be used, stop injecting liquid in circulating pipe, use the waste heat of throat pipe body, thereby guarantee the consistency of production product, improve product performance BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is the A-A section view of the utility model Figure 1 ;

[0020] Figure 3 It is the B enlarged view of the utility model Figure 2 ;

[0021] The reference signs are explained as follows: 1, throat pipe body;11, pipeline;12, reserved pipeline;121, air inlet part;122, diffusion part;13, heating pipe;14, circulating pipe;141, liquid inlet pipe;142, liquid outlet pipe;2, refractory layer;21, fixed groove;22, fixed layer. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0023] Referring to Figures 1-3 As shown in the utility model provides a kind of low-cost multi-point injection throat pipe, including throat pipe body 1, the inside of throat pipe body 1 is provided with horizontally distributed pipeline 11;Several reserved pipelines 12 are fixedly connected on the throat pipe body 1, reserved pipeline 12 can be inserted with gun, it is convenient to replace atomizing gun head on oil gun;With pipeline 11 as center, the reserved pipeline 12 is circumferentially distributed on throat pipe body 1;Reserved pipeline 12 has 10, the included angle formed between reserved pipeline 12 is equal.The included angle formed between reserved pipeline 12 is 36 °.

[0024] The throat pipe body 1 is also fixedly connected with heating pipe 13, and the heating pipe 13 is wrapped on the outer periphery of the reserved pipeline 12. The viscosity of the oil can be reduced by heating through the heating pipe 13, and the flowability is increased, thereby promoting atomization. In addition, the residual heat of the pipeline 11 can be used to heat the heating pipe 13, thereby reducing the cost and improving the utilization rate of heat.

[0025] In this embodiment, the outer periphery of the throat pipe body 1 is fixedly connected with a circulating pipe 14, and the circulating pipe 14 is sequentially connected with the heating pipe 13. The circulating pipe 14 is fixedly connected with a liquid inlet pipe 141 and a liquid outlet pipe 142. Before the throat pipe body 1 is used, a certain temperature of liquid is injected through the liquid inlet pipe 141 in advance, and then injected into the heating pipe 13 to preheat the reserved pipeline 12. When the throat pipe body 1 is used, the injection of liquid into the circulating pipe 14 is stopped, and the residual heat of the throat pipe body 1 is used, thereby ensuring the consistency of the production products and improving the performance of the products.

[0026] In this embodiment, the pipeline 12 includes an air inlet portion 121 and a diffusion portion 122. The air inlet portion 121 is a pipe body with equal diameter. The diameter of the pipe body of the diffusion portion 122 gradually increases in the direction away from the air inlet portion 121.

[0027] In this embodiment, the throat pipe body 1 is a cylindrical structure made of refractory material, and the refractory material is a refractory layer 2 composed of refractory bricks.

[0028] In this embodiment, a fixing groove 21 is formed on the outer periphery of the refractory layer 2, and a plurality of fixing layers 22 are fixedly connected in the fixing groove 21. The fixing layers 22 are sequentially distributed from inside to outside.

[0029] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A low cost multi-point injection nozzle throat characterized by: The throat pipe body is internally provided with horizontally distributed pipelines; A plurality of reserved pipelines are fixedly connected on the throat pipe body; the reserved pipelines are circumferentially distributed on the throat pipe body with the pipelines as the center; A heating pipe is also fixedly connected on the throat pipe body, and the heating pipe is wrapped on the outer periphery of the reserved pipeline.

2. The low cost multi-port injection throat of claim 1, wherein: A circulating pipe is fixedly connected on the outer periphery of the throat pipe body, and the circulating pipe is sequentially communicated with the heating pipe.

3. The low cost multi-port injection throat of claim 2, wherein: A liquid inlet pipe and a liquid outlet pipe are fixedly connected on the circulating pipe.

4. The low cost multi-port injection throat of claim 3, wherein: The included angles between the reserved pipelines are equal.

5. The low cost multi-port injection throat of claim 1, wherein: The pipeline comprises an air inlet part and a diffusion part, the air inlet part is a pipe body with equal diameters, and the diameter of the pipe body of the diffusion part gradually increases in the direction away from the air inlet part pipe body.

6. The low cost multi-port injection throat of claim 1, wherein: The throat pipe body is a cylindrical structure made of refractory material.

7. The low cost multi-port injection throat of claim 6, wherein: A fixing groove is formed on the outer periphery of the throat pipe body, and a plurality of fixing layers are fixedly connected in the fixing groove and are sequentially distributed from the inside to the outside.

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