Burner of carbon black reacting furnace
By using gas separation plates and air separation pore components in the carbon black reactor burner, the problem of uneven temperature and air distribution is solved, and uniform combustion and high-quality production of carbon black are achieved.
Patent Information
- Application Number
- CN202421243010.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The temperature and air distribution in the existing carbon black reactor burners are uneven, which affects the uniformity and quality of the carbon black particles and is prone to insufficient combustion.
The air is preliminarily and secondaryly distributed using a gas separation plate and a gas separation pore assembly, so that the air is evenly dispersed into the combustion chamber of the carbon black reactor, and is evenly mixed with natural gas or fuel oil to burn.
The uniform combustion of raw oil and air under constant temperature is achieved, oxygen-rich and oxygen-poor areas are avoided, the coloring intensity and specific surface area of carbon black are improved, and raw material consumption is reduced.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carbon black production, in particular to a carbon black reaction furnace burner. Background Art
[0002] Carbon black is a light, loose and extremely fine black powder mainly composed of amorphous carbon with a specific surface area ranging from 10-3000m 2 / g, is the product of incomplete combustion or thermal decomposition of organic matter under insufficient air conditions. Carbon black has a wide range of applications. It can be used as a black dye to make Chinese ink, ink, paint, rubber reinforcing agent, etc. It plays an important role in the industrial field.
[0003] In the carbon black production process, the reactor is the core equipment. The production of different types of carbon black mainly uses reactors of different structural sizes and controls different reaction times. Air and fuel burn in the reactor, and the raw materials are sprayed into the burning flame after atomization, and carbon black is produced through high-temperature pyrolysis. Carbon black is suspended in the combustion gas to form flue gas. After rapid cooling, the flue gas is sent to the shell and tube air preheater and oil preheater for further cooling. The flue gas cooled by the shell and tube air preheater can be cooled by the subsequent heat exchanger and then sent to the bag filter. The separated carbon black is sent to the granulator for granulation, and then dried in the dryer; after fine treatment, it enters the finished product packaging system.
[0004] The burner is the core equipment of the reactor, mainly used for mixing and injecting fuel and air. The existing burner adopts a straight tube front section brick hole to axially inject into the carbon black reactor burner. The inventor of the present application found in the process of realizing the technical scheme of the utility model in the embodiment of the present application that the above technical scheme will cause the middle temperature of the high-temperature flue gas flow in the carbon black reactor burner to be high and the peripheral temperature to be low. This uneven temperature distribution will affect the uniformity and quality of the carbon black particles, and the uneven distribution of air will produce oxygen-rich zones and oxygen-poor zones, resulting in incomplete combustion, which will affect the coloring strength and specific surface area of the carbon black. Utility Model Content
[0005] The embodiment of the present application solves the technical problem of uneven temperature and air distribution of the carbon black reactor burner in the prior art by providing a carbon black reactor burner, and achieves the technical effect of uniform combustion of crude oil and air under constant temperature conditions.
[0006] The embodiment of the present application provides a carbon black reactor burner, comprising:
[0007] case;
[0008] A first gas distribution component, comprising an air inlet pipe connected to the shell, an inlet flange installed on the top of the air inlet pipe, and an air distribution plate, the air distribution plate is installed on the side of the shell and arranged in the shell, and a plurality of through holes are opened on the air distribution plate;
[0009] A second air distribution component includes a side wall installed on the side of the shell, and a plurality of air distribution holes are opened on the side wall. The plurality of air distribution holes are evenly distributed on the side wall, and air flows through the inlet flange, the air inlet pipe, the through hole in sequence and enters the air distribution holes;
[0010] The fuel delivery assembly comprises a fuel delivery pipe, one end of which passes through the shell and the gas distributor plate and is connected with the side wall, and a fuel hole connected with the fuel delivery pipe is opened on the side wall.
[0011] In some embodiments, the fuel hole includes a natural gas hole and an oil hole, the oil hole is opened at the center of the side wall, the gas distribution holes are evenly distributed around the oil hole, and the natural gas hole is opened between two adjacent gas distribution holes.
[0012] In some embodiments, the side wall is a chrome corundum refractory brick, and hollow alumina balls are installed at the top and bottom of the side wall respectively.
[0013] In some embodiments, the number of the air dividing holes is 4, and the central angle between two adjacent air dividing holes is 90 degrees.
[0014] In some embodiments, the air intake pipe is a bell pipe, and the bell mouth of the air intake pipe is arranged away from the shell.
[0015] In some embodiments, the gas distribution holes are through holes that diffuse outward from the middle.
[0016] In some embodiments, the shell, the air inlet pipe, and the air distribution plate are all made of stainless steel.
[0017] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: after the air in the shell is initially distributed by using an air distribution plate, it is then secondary distributed through air distribution holes, so that the air is evenly dispersed into the combustion chamber of the carbon black reactor and evenly mixed with natural gas or fuel oil for combustion, thereby avoiding oxygen-rich zones and oxygen-poor zones, solving the technical problems of uneven temperature and air distribution of the carbon black reactor burner in the prior art, improving the coloring strength and specific surface area of the carbon black, and reducing the raw material consumption in the production process. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The overall structural schematic diagram of the carbon black reactor burner provided in the embodiment of the present application is shown;
[0019] Figure 2 The installation diagram of the carbon black reactor burner provided in the embodiment of the present application is shown;
[0020] Figure 3 A schematic cross-sectional structure diagram of a burner in a carbon black reactor burner provided in an embodiment of the present application is shown;
[0021] In the figure, 100, shell; 200, first gas distribution component; 210, intake pipe; 220, inlet flange; 230, gas distribution plate; 300, second gas distribution component; 310, side wall; 311, gas distribution hole; 312, natural gas hole; 313, oil hole; 320, hollow alumina ball; 400, fuel delivery component; 410, fuel delivery pipe. DETAILED DESCRIPTION
[0022] The embodiment of the present application solves the technical problem of uneven temperature and air distribution of the carbon black reactor burner in the prior art by providing a carbon black reactor burner, and achieves the technical effect of uniform combustion of crude oil and air under constant temperature conditions.
[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.
[0024] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0025] The utility model provides a carbon black reactor burner, comprising: a shell 100; a first gas distribution component 200, comprising an air inlet pipe 210 connected to the shell 100, an inlet flange 220 installed on the top of the air inlet pipe 210, and an air distribution plate 230, the air distribution plate 230 is installed on the side of the shell 100 and arranged in the shell 100, and a plurality of through holes are opened on the air distribution plate 230; a second gas distribution component 300, comprising a side wall 310 installed on the side of the shell 100, a plurality of air distribution holes 311 are opened on the side wall 310, and the plurality of air distribution holes 311 are evenly distributed on the side wall 310, and air flows through the inlet flange 220, the air inlet pipe 210, and the through holes in turn into the air distribution holes 311; a fuel delivery component 400, comprising a fuel delivery pipe 410, one end of the fuel delivery pipe 410 passes through the shell 100 and the air distribution plate 230 and is connected to the side wall 310, and a fuel hole connected to the fuel delivery pipe 410 is opened on the side wall 310.
[0026] The carbon black reactor burner provided in the embodiments of the present disclosure is described below in conjunction with the accompanying drawings.
[0027] Figure 1 The overall structural schematic diagram of the carbon black reactor burner provided in the embodiment of the present application is shown; Figure 2 The installation diagram of the carbon black reactor burner provided in the embodiment of the present application is shown; Figure 3 A schematic cross-sectional structure diagram of a burner in a carbon black reactor burner provided in an embodiment of the present application is shown.
[0028] like Figure 1-Figure 3 As shown, a supporting foot is installed at the bottom of the shell 100, and a fixed structure is installed at the top of the shell 100. The air inlet pipe 210 is installed on the top of the shell 100 and is connected to the shell 100. The inlet flange 220 is installed at the top of the air inlet pipe 210. The air flows through the air inlet pipe 210 through the inlet flange 220 and enters the inside of the shell 100; the air distributor plate 230 is installed in the shell 100 along the axial direction of the shell 100 and is installed perpendicular to the side wall 310. The air in the shell 100 enters the air distributor hole 311 through the through hole on the air distributor plate 230, and then enters the combustion chamber of the carbon black reactor through the air distributor hole 311. A plurality of fuel delivery pipes 410 are provided, and one end of the plurality of fuel delivery pipes 410 passes through the shell 100 and the air distributor plate 230 in sequence and is connected to the fuel hole. Natural gas or fuel oil flows through the fuel delivery pipe 410 and enters the combustion chamber of the carbon black reactor through the fuel hole, and is mixed with air and burned to generate carbon black.
[0029] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:
[0030] After the air in the shell 100 is initially distributed by using the air distribution plate 230, it is then secondarily distributed through the air distribution holes 311, so that the air is evenly dispersed into the combustion chamber of the carbon black reactor and evenly mixed with natural gas or fuel oil for combustion, thereby avoiding oxygen-rich areas and oxygen-poor areas, solving the technical problems of uneven temperature and air distribution of the carbon black reactor burner in the prior art, improving the coloring strength and specific surface area of the carbon black, and reducing the consumption of raw materials in the production process.
[0031] like Figure 3 As shown, the fuel holes include a natural gas hole 312 and an oil hole 313 . The oil hole 313 is opened at the center of the side wall 310 . The gas distribution holes 311 are evenly distributed around the oil hole 313 . The natural gas hole 312 is opened between two adjacent gas distribution holes 311 .
[0032] In this embodiment, the oil hole 313 and the natural gas hole 312 are exchanged according to the production requirements of carbon black. When fuel oil is used for carbon black production, the fuel oil in the center of the side wall 310 is mixed with the surrounding air for combustion; when natural gas is used for carbon black production, the air flowing out of the gas distribution hole 311 is mixed with the natural gas flowing out of the natural gas hole 312 between two adjacent gas distribution holes 311 for combustion. This arrangement ensures the uniform distribution of air, natural gas and fuel oil, ensures the uniformity of combustion during the carbon black production process, and further ensures the production quality of carbon black.
[0033] like Figure 1-Figure 3 As shown, the side wall 310 is a chrome corundum refractory brick, and hollow alumina balls 320 are respectively installed at the top and bottom of the side wall 310.
[0034] In this embodiment, chrome corundum refractory bricks are used as the wall material of the side wall 310, which have the characteristics of high melting point, high hardness, high strength, good fire resistance and corrosion resistance. Chrome corundum refractory bricks can have high chemical stability in high temperature environment and corrosive medium, and have a long service life.
[0035] Alumina hollow balls 320 are installed on the top and bottom of the chrome corundum refractory bricks as fillers of thermal insulation materials, which can reduce energy loss and improve the production efficiency of carbon black.
[0036] like Figure 3 As shown, the number of the air dividing holes 311 is 4, and the central angle between two adjacent air dividing holes 311 is 90 degrees.
[0037] In this embodiment, a plurality of air distribution holes 311 are evenly arranged on the inner wall, thereby ensuring uniform dispersion of air and further ensuring uniformity of mixed combustion.
[0038] like Figure 1-Figure 2 As shown, the air inlet pipe 210 is a bell pipe, and the bell mouth of the air inlet pipe 210 is arranged away from the housing 100 .
[0039] In this embodiment, the trumpet-shaped air intake pipe 210 helps the air to sink in a concentrated manner, and the top opening is larger than the bottom opening, which can effectively resist the erosion of high-temperature airflow and ensure the reliability of long-term operation.
[0040] like Figure 1-Figure 2 As shown, the air distribution hole 311 is a through hole that spreads outward from the middle. The openings at both ends of the air distribution hole 311 are larger than the opening in the middle, so that the air is quickly concentrated in the middle of the air distribution hole 311 and then evenly dispersed outward, which increases the air gathering speed, expands the air diffusion area, and further ensures the uniformity of air dispersion.
[0041] In some embodiments, the housing 100, the air inlet pipe 210, and the air distribution plate 230 are all made of stainless steel. The housing 100 and the air inlet pipe 210 are connected by welding.
[0042] It should be noted that the components among the various embodiments of the present disclosure can be interchangeable as long as they can play the corresponding roles.
[0043] There are a few points to note:
[0044] (1) Unless otherwise defined, in the embodiments of the present disclosure and the accompanying drawings, the same reference numerals represent the same meanings.
[0045] (2) In the drawings of the embodiments of the present disclosure, only the structures related to the embodiments of the present disclosure are involved, and other structures can refer to the general design.
[0046] (3) For the sake of clarity, parts or regions are enlarged in the drawings used to describe the embodiments of the present disclosure. It is understood that when an element is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element, or there may be intervening elements.
[0047] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A carbon black reactor burner, characterized in that: include: Housing (100); A first gas distribution component (200) comprises an air inlet pipe (210) connected to the housing (100), an inlet flange (220) installed on the top of the air inlet pipe (210), and an air distribution plate (230), wherein the air distribution plate (230) is installed on the side of the housing (100) and is arranged in the housing (100), and a plurality of through holes are opened on the air distribution plate (230); A second air distribution component (300) comprises a side wall (310) installed on the side of the housing (100), the side wall (310) being provided with a plurality of air distribution holes (311), the plurality of air distribution holes (311) being evenly distributed on the side wall (310), and air flows sequentially through the inlet flange (220), the air inlet pipe (210), the through hole, and enters the air distribution holes (311); A fuel delivery assembly (400) comprises a fuel delivery pipe (410), one end of which passes through the shell (100) and the gas distributor plate (230) and is connected to the side wall (310), and a fuel hole connected to the fuel delivery pipe (410) is provided on the side wall (310).
2. The carbon black reaction furnace burner according to claim 1, characterized in that: The fuel hole comprises a natural gas hole (312) and an oil hole (313); the oil hole (313) is opened at the center of the side wall (310); the gas distribution holes (311) are evenly distributed around the oil hole (313); and the natural gas hole (312) is opened between two adjacent gas distribution holes (311).
3. The carbon black reaction furnace burner according to claim 2, characterized in that: The side wall (310) is a chrome corundum refractory brick, and hollow alumina balls (320) are respectively installed at the top and bottom of the side wall (310).
4. The carbon black reactor burner according to any one of claims 1 to 3, characterized in that: The number of the air dividing holes (311) is 4, and the central angle between two adjacent air dividing holes (311) is 90 degrees.
5. The carbon black reaction furnace burner according to claim 4, characterized in that: The air intake pipe (210) is a bell pipe, and the bell mouth of the air intake pipe (210) is arranged away from the housing (100).
6. The carbon black reaction furnace burner according to claim 5, characterized in that: The gas distribution hole (311) is a through hole that diffuses from the middle to the outside.
7. The carbon black reaction furnace burner according to claim 5 or 6, characterized in that: The housing (100), the air inlet pipe (210), and the air distribution plate (230) are all made of stainless steel.