Novel axial raw oil gun nozzle device of carbon black reacting furnace
By designing a novel axial feed oil nozzle device for a carbon black reactor, and adopting an extended nozzle and spray pipe structure, mechanical pressurization and atomization of the feed oil were achieved. This solved the problem of reaction gaps in the central area of the atomization surface, reduced energy consumption, and improved the quality of carbon black.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHAOYANG BLACK CAT WUXINGQI CARBON BLACK CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-05-19
AI Technical Summary
The existing carbon black reactor uses radial injection of raw material oil, which results in a reaction gap in the central area of the atomization surface, increasing energy consumption.
A novel axial feed oil nozzle device for a carbon black reactor is designed, employing an extended spray pipe and nozzle structure. The nozzle uses φ1.6*16 holes to mechanically pressurize and atomize the feed oil entering the furnace axially, completing the atomization surface. Sealing is achieved through a magnetic sealing ring of the spray gun, extended spray pipe, and limiting rod.
It reduced the consumption of carbon black feedstock oil, improved the quality and performance of carbon black, and reduced energy consumption.
Smart Images

Figure CN224262220U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of carbon black production technology, specifically to a novel axial raw material oil nozzle device for a carbon black reactor. Background Technology
[0002] Currently, most carbon black production in China uses the oil furnace method, with the key technology concentrated in the reactor. The reactor includes a combustion chamber, a throat section, a reaction chamber, a quenching section, and a residence section. The combustion chamber, throat section, and reaction chamber are the main components affecting carbon black quality. Fuel and air burn in the combustion chamber, generating a high-temperature airflow. As the airflow passes through the throat section, it shears and atomizes the radially fed feed oil, which then reacts in the reaction chamber to produce carbon black.
[0003] However, current carbon black reactors all employ radial injection of feedstock oil from the throat section for the pyrolysis reaction, resulting in reaction gaps in the central region of the atomization surface, leading to increased energy consumption. Therefore, those skilled in the art have provided a novel axial feedstock oil nozzle device for carbon black reactors to address the problems mentioned in the background section. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a novel axial feed oil nozzle device for carbon black reactors, which solves the problem that current carbon black reactors all use radial injection of feed oil from the throat section for pyrolysis reaction, but there is a reaction gap in the central area of the atomization surface.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a novel axial feed oil nozzle device for a carbon black reactor, comprising a reactor shell, a reactor door cover, and a spray gun. The reactor door cover is bolted to the reactor shell, and the spray gun is disposed on one side of the reactor door cover. A throat section is provided at the end of the reactor shell away from the reactor door cover. An extended spray pipe is connected to the spray gun, and a nozzle is connected at the end of the extended spray pipe away from the spray gun. A first through hole is provided in the middle of the reactor door cover, and a second through hole is provided below the first through hole.
[0008] Preferably, a first magnetic sealing ring is installed on the extended nozzle, the extended nozzle is inserted into the first through hole, and the first magnetic sealing ring is magnetically connected to the reactor door cover.
[0009] Preferably, the nozzle is threadedly connected to the extended nozzle pipe, which is convenient to disassemble and then pass the extended nozzle pipe through the first through hole. The length of the extended nozzle pipe needs to reach the center position of the raw material oil atomization surface in the throat section, and a nozzle is threadedly connected to one end of the extended nozzle pipe facing the throat section. The nozzle adopts a φ.* hole to mechanically pressurize and atomize the axially fed raw material oil.
[0010] Preferably, a limiting rod is installed at the handle of the spray gun, and a second magnetic sealing ring is installed on the limiting rod. The limiting rod is inserted into a second through hole, and the second magnetic sealing ring is magnetically connected to the reactor door cover. The second magnetic sealing ring and the first magnetic sealing ring are on the same vertical horizontal plane, and a magnet is provided inside the magnetic sealing ring so that it can be magnetically attracted to the reactor door cover, thereby sealing the connection.
[0011] (III) Beneficial Effects
[0012] Compared with the prior art, this utility model provides a novel axial feed oil nozzle device for a carbon black reactor, which has the following beneficial effects:
[0013] Through design, the axial feed oil nozzle device for the carbon black reactor in this utility model consists of a reactor shell and a spray gun. An extended spray pipe is installed at the end of the spray gun facing the reactor door cover. A first magnetic sealing ring is installed on the extended spray pipe. The length of the extended spray pipe needs to reach the center position of the feed oil atomization surface in the throat section. A nozzle is threadedly connected to the end of the extended spray pipe facing the throat section. The nozzle adopts φ1.6*16 holes to mechanically pressurize and atomize the feed oil entering the furnace axially, thereby completing the atomization surface of the feed oil cracking reaction, thereby reducing the unit consumption of carbon black feed oil, improving the quality and performance of carbon black, and reducing energy consumption. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural schematic diagram of a novel axial feed oil nozzle device for a carbon black reactor provided in this application embodiment.
[0015] Figure 2 This is a schematic diagram of the reactor shell in a novel axial feed oil nozzle device for a carbon black reactor provided in this application embodiment.
[0016] Figure 3 This is a structural cross-sectional view of the reactor door cover in a novel axial feed oil nozzle device for a carbon black reactor provided in this application embodiment.
[0017] Figure 4 This is a schematic diagram of the nozzle structure in a novel axial feed oil nozzle device for a carbon black reactor provided in this application embodiment.
[0018] In the figure: 1. Reactor shell; 2. Reactor door cover; 201. First through hole; 202. Second through hole; 3. Throat section; 4. Spray gun; 5. Extended spray pipe; 501. First magnetic sealing ring; 6. Nozzle; 7. Limiting rod; 701. Second magnetic sealing ring. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] This utility model provides a technical solution: a novel axial feed oil nozzle device for a carbon black reactor. To achieve the above objective, this utility model provides the following technical solution: a novel axial feed oil nozzle device for a carbon black reactor, comprising a reactor shell 1, a reactor door cover 2, and a spray gun 4. The reactor door cover 2 is bolted to the reactor shell 1. The spray gun 4 is located on one side of the reactor door cover 2. A throat section 3 is provided at the end of the reactor shell 1 away from the reactor door cover 2. An extended spray pipe 5 is connected to the spray gun 4. A nozzle 6 is connected at the end of the extended spray pipe 5 away from the spray gun 4. A first through hole 201 is provided in the middle of the reactor door cover 2, and a second through hole 202 is provided below the first through hole 201.
[0021] A first magnetic sealing ring 501 is installed on the extended nozzle 5. The extended nozzle 5 is inserted into the first through hole 201. The first magnetic sealing ring 501 is magnetically connected to the reactor door cover 2. The nozzle 6 is threadedly connected to the extended nozzle 5, allowing for easy disassembly and penetration of the extended nozzle 5 through the first through hole 201. The length of the extended nozzle 5 needs to reach the center of the raw material oil atomization surface inside the throat section 3. A nozzle 6 is threadedly connected to the end of the extended nozzle facing into the throat section 3, and the nozzle 6 has a φ1.6*16 hole. The feed oil fed into the furnace is mechanically pressurized and atomized. A limit rod 7 is installed at the handle of the spray gun 4. A second magnetic sealing ring 701 is installed on the limit rod 7. The limit rod 7 is inserted into the second through hole 202. The second magnetic sealing ring 701 is magnetically connected to the reactor door cover 2. The second magnetic sealing ring 701 and the first magnetic sealing ring 501 are on the same vertical horizontal plane. The magnetic sealing ring has a magnet inside, which can be magnetically attracted to the reactor door cover 2, thereby sealing the connection.
[0022] The axial raw material oil nozzle device of the carbon black reactor in this utility model consists of a reactor shell 1 and a spray gun 4. A reactor door cover 2 is installed at one end of the reactor shell 1. A first through hole 201 is opened in the middle of the reactor door cover 2. A second through hole 202 is provided below the first through hole 201. A throat section 3 is provided at the end of the reactor shell 1 away from the reactor door cover 2.
[0023] An extended nozzle 5 is installed at one end of the spray gun 4 facing the reactor door cover 2. A first magnetic sealing ring 501 is installed on the extended nozzle 5. The length of the extended nozzle 5 needs to reach the center position of the raw material oil atomization surface inside the throat section 3. A nozzle 6 is threadedly connected at one end of the extended nozzle facing the throat section 3. The nozzle 6 adopts a φ1.6*16 hole to mechanically pressurize and atomize the axially fed raw material oil.
[0024] A limiting rod 7 is installed at the handle of the spray gun 4. After the extended barrel of the spray gun 4 passes through the first through hole 201 and enters the reactor shell 1, the nozzle 6 is connected to the extended spray pipe 5. Then, the limiting rod 7 is inserted into the second through hole 202 to position the spray gun 4. A second magnetic sealing ring 701 is installed on the limiting rod 7. The second magnetic sealing ring 701 and the first magnetic sealing ring 501 are on the same vertical horizontal plane, and the magnetic sealing ring has a magnet inside the sealing ring, which can be magnetically attracted to the reactor door cover 2 to seal the connection.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0026] In this document, unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A novel axial feed oil nozzle device for a carbon black reactor, comprising a reactor shell (1), a reactor door cover (2), and a spray gun (4), wherein the reactor door cover (2) is bolted to the reactor shell (1), and the spray gun (4) is disposed on one side of the reactor door cover (2), characterized in that: A throat section (3) is provided at one end of the reactor shell (1) away from the reactor door cover (2). An extended nozzle (5) is connected to the spray gun (4). A nozzle (6) is connected to one end of the extended nozzle (5) away from the spray gun (4). A first through hole (201) is opened in the middle of the reactor door cover (2). A second through hole (202) is opened on the lower side of the first through hole (201).
2. The novel axial feed oil nozzle device for a carbon black reactor according to claim 1, characterized in that: The nozzle (6) is threadedly connected to the extended nozzle (5).
3. The novel axial feed oil nozzle device for a carbon black reactor according to claim 1, characterized in that: The extended nozzle (5) is equipped with a first magnetic sealing ring (501).
4. The novel axial feed oil nozzle device for a carbon black reactor according to claim 1, characterized in that: A limit rod (7) is installed at the handle of the spray gun (4), and a second magnetic sealing ring (701) is installed on the limit rod (7).
5. The novel axial feed oil nozzle device for a carbon black reactor according to claim 4, characterized in that: The limiting rod (7) is inserted into the second through hole (202), and the second magnetic sealing ring (701) is magnetically connected to the reactor door cover (2).
6. The novel axial feed oil nozzle device for a carbon black reactor according to claim 3, characterized in that: The extended nozzle (5) is inserted into the first through hole (201), and the first magnetic sealing ring (501) is magnetically connected to the reactor door cover (2).