Fiber block pulverization resisting structure of petrochemical cracking furnace
By designing an anti-fiber block powder structure, using sliding and threaded fixed plates and fiber block components, the problem of fiber block powder powder in petrochemical cracking furnace is solved, the flexibility and reliability of the equipment are achieved, and the high temperature and high pressure are prevented from causing The fiber powder has improved the product quality.
Patent Information
- Application Number
- CN202323352002.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-11
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-11
AI Technical Summary
The main fiber blocks of petrochemical cracking furnaces are prone to powder under the action of high temperature, high pressure and high speed airflow, resulting in unstable equipment operation and degradation of product quality. It is difficult for the prior art to effectively prevent powdering of fiber blocks.
An anti-fiber block powder pulverization structure is designed, including a fixed plate with movable connection, a main fiber block, a secondary fiber block and a locking ring. The flexible installation and replacement of the main fiber block and the secondary fiber block are achieved through sliding and threaded connections to avoid high temperatures. Fibers caused by high pressure.
It realizes high flexibility and reliability of petrochemical cracking furnaces, and can replace fiber blocks during the use of equipment, prevent fiber powdering, and improve product quality and equipment stability.
Smart Images
Figure CN222131819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of petrochemical industry, in particular to a fiber block pulverization resistance structure of a petrochemical cracking furnace. Background Art
[0002] A petrochemical cracking furnace is a device used to crack petroleum into organic substances such as ethylene and propylene. Its working principle is mainly to heat the petroleum to a high temperature (about 700-800°C), and then through a series of chemical reactions, the long-chain petroleum molecules are broken into shorter molecular fragments, thereby obtaining organic substances such as ethylene and propylene. A petrochemical cracking furnace is usually composed of a furnace body, a burner, a heat carrier, cracking raw materials and other parts. Among them, the furnace body is the core equipment in the entire cracking process, usually made of high temperature resistant and corrosion resistant alloy materials. The burner is used to provide heat to maintain the temperature in the furnace at the required cracking temperature. The heat carrier is used to transfer heat, usually using fluids such as heat transfer oil. The cracking raw materials are preliminarily processed petroleum or natural gas.
[0003] The main fiber block pulverization of the petrochemical cracking furnace is mainly due to the fact that the materials in the furnace are subjected to factors such as high temperature, high pressure, and high-speed airflow, which cause tiny cracks and peeling on the surface of the material, thereby forming main fiber block substances. These main fiber block substances are prone to pulverization at high temperatures, forming fine particles, which have an adverse effect on the operation of the equipment and the quality of the product. Therefore, during the cracking process, it is necessary to control the parameters such as the temperature, pressure, and atmosphere in the furnace to prevent the main fiber block of the petrochemical cracking furnace from pulverizing in order to obtain the desired cracking products and to avoid producing too many by-products as much as possible. Therefore, a fiber block pulverization resistance structure for a petrochemical cracking furnace is proposed. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a fiber block pulverization resistance structure for a petrochemical cracking furnace, which has the advantages of high flexibility and strong reliability, and solves the problem that the main fiber block is easily pulverized due to the inconvenience of replacing heat-resistant materials in traditional petrochemical cracking furnaces.
[0005] In order to achieve the above-mentioned purpose of simple operation and high flexibility, the utility model provides the following technical solutions: a fiber block pulverization resistance structure of a petrochemical cracking furnace, comprising a furnace body, wherein components and fixing components used in conjunction with the components are arranged inside the furnace body; the components comprise a fixing plate movably connected to the inner wall of the furnace body, the inner side wall of the fixing plate is provided with a plurality of main fiber blocks, a limiting block is fixedly installed on one side of the main fiber block, a limiting groove is provided on the side of the main fiber block, and a plurality of movably connected auxiliary fiber blocks are arranged on the side of the main fiber block.
[0006] Furthermore, the fixing component comprises a fixing ring fixedly mounted on the top of the inner wall of the furnace body, a movably connected locking ring is provided at the bottom of the furnace body, a feed port is provided inside the fixing ring, and a discharge port is provided inside the locking ring.
[0007] Furthermore, the fixing plate is annular, and the outer wall of the fixing plate and the inner wall of the furnace body are slidably connected.
[0008] Furthermore, the inner side wall of the fixing plate is provided with a plurality of fixing grooves used in conjunction with the main fiber block, and the main fiber block is embedded in the fixing groove and is slidably connected with the fixing groove.
[0009] Furthermore, the auxiliary fiber block is arc-shaped, a limiting block is fixedly installed on one side of the auxiliary fiber block, and a limiting groove is provided on one side of the auxiliary fiber block.
[0010] Furthermore, the main fiber block is arc-shaped, the limiting block on one side of the main fiber block is embedded in the limiting groove on the side of the auxiliary fiber block, and the limiting block on the side of the auxiliary fiber block is embedded in the limiting groove on the side of the main fiber block and is slidably connected to the main fiber block.
[0011] Furthermore, the limiting blocks of the two adjacent auxiliary fiber blocks are embedded in the limiting grooves of another auxiliary fiber block, and the auxiliary fiber blocks are slidably connected to each other.
[0012] Furthermore, a threaded groove is provided at the bottom of the furnace body, a threaded ring is fixedly installed at the top of the locking ring, the threaded ring is embedded in the threaded groove and the outer side is rotatably connected to the threaded groove through a thread.
[0013] Furthermore, the inner side surfaces of the feed port and the discharge port are both inclined surfaces, and the width of one side of the bottom of the inclined surface is consistent with the inner side surface of the structure composed of the main fiber block and the auxiliary fiber block.
[0014] Compared with the prior art, the utility model provides a fiber block pulverization resistance structure for a petrochemical cracking furnace, which has the following beneficial effects:
[0015] 1. The anti-fiber block pulverization structure of the petrochemical cracking furnace is that the main fiber block is installed by sliding the main fiber block into the fixing groove in the fixing plate. In the next step, the limiting block on the side of the auxiliary fiber block is slid into the limiting groove on the side of the main fiber block, and then another limiting block on the side of the auxiliary fiber block is used to be embedded in the limiting groove on the side of the auxiliary fiber block that has been installed. After all the auxiliary fiber blocks are installed, the fixing plate is inserted into the interior of the furnace body as a whole, and then the threaded ring on the top of the locking ring is spirally screwed into the threaded groove at the bottom of the furnace body to complete the assembly.
[0016] 2. The anti-fiber block pulverization structure of the petrochemical cracking furnace can replace the main fiber block and the auxiliary fiber block after the equipment is actually used for a period of time. The threaded ring on the top of the locking ring is turned out from the threaded groove, and the locking ring is removed. Then, the fixing plate is removed to replace the main fiber block and the auxiliary fiber block inside, or the fixing plate, the main fiber block and the auxiliary fiber block can be replaced as a whole. This solves the problem of impurities in the product caused by fiber pulverization in the petrochemical cracking furnace due to high temperature and high pressure. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional cross-sectional view of the structure of the utility model;
[0018] Figure 2 This is a cross-sectional view of the structural fixing plate of the utility model;
[0019] Figure 3 This is a three-dimensional diagram of the structural fixing plate of the utility model;
[0020] Figure 4 This is a disassembled stereoscopic diagram of the main fiber block and the auxiliary fiber block of the utility model structure.
[0021] In the figure: 1. furnace body; 2. fixing plate; 3. main fiber block; 4. limiting block; 5. limiting groove; 6. secondary fiber block; 7. fixing groove; 8. fixing ring; 9. threaded groove; 10. locking ring; 11. threaded ring; 12. feed port; 13. discharge port. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4 A fiber block pulverization resistance structure of a petrochemical cracking furnace includes a furnace body 1, wherein the furnace body 1 is provided with components and fixing components used in conjunction with the components; the components include a fixing plate 2 movably connected to the inner wall of the furnace body 1, wherein the inner side wall of the fixing plate 2 is provided with a plurality of main fiber blocks 3, a limiting block 4 is fixedly installed on one side of the main fiber block 3, a limiting groove 5 is provided on the side of the main fiber block 3, and a plurality of movably connected auxiliary fiber blocks 6 are provided on the side of the main fiber block 3.
[0024] In this embodiment, the fixing component includes a fixing ring 8 fixedly installed on the top of the inner wall of the furnace body 1, a movably connected locking ring 10 is provided at the bottom of the furnace body 1, a feed port 12 is provided inside the fixing ring 8, and a discharge port 13 is provided inside the locking ring 10.
[0025] In this embodiment, the fixing plate 2 is annular, and the outer wall of the fixing plate 2 and the inner wall of the furnace body 1 are slidably connected, so that the fixing plate 2 can be removed from the furnace body 1 for subsequent replacement, and rotating in the furnace body 1 can also better conduct heat.
[0026] In this embodiment, the inner wall of the fixing plate 2 is provided with a plurality of fixing grooves 7 for use with the main fiber block 3. The main fiber block 3 is embedded in the fixing grooves 7 and is slidably connected to the fixing grooves 7. In this way, the fixing plate 2 can fix the main fiber block 3 and also facilitate the replacement of the main fiber block 3.
[0027] In this embodiment, the auxiliary fiber block 6 is arc-shaped, and a limiting block 4 is fixedly installed on one side of the auxiliary fiber block 6. A limiting groove 5 is provided on one side of the auxiliary fiber block 6, so that the auxiliary fiber blocks 6 can be connected to each other to form a fixed state, and at the same time form an arc surface to avoid gaps between the two auxiliary fiber blocks 6.
[0028] In this embodiment, the main fiber block 3 is arc-shaped, and the limiting block 4 on one side of the main fiber block 3 is embedded in the limiting groove 5 on the side of the auxiliary fiber block 6. The limiting block 4 on the side of the auxiliary fiber block 6 is embedded in the limiting groove 5 on the side of the main fiber block 3 and is slidably connected to the main fiber block 3, so that the main fiber block 3 can fix the auxiliary fiber block 6.
[0029] In this embodiment, the limiting blocks 4 of two adjacent auxiliary fiber blocks 6 are embedded in the limiting grooves 5 of another auxiliary fiber block 6 and the auxiliary fiber blocks 6 are slidably connected to each other, so that the multiple auxiliary fiber blocks 6 can be fixed to each other.
[0030] In this embodiment, a threaded groove 9 is provided at the bottom of the furnace body 1, and a threaded ring 11 is fixedly installed on the top of the locking ring 10. The threaded ring 11 is embedded in the threaded groove 9 and the outer side is connected to the threaded groove 9 through a threaded rotation, so that the locking ring 10 can fix the fixed plate 2, the main fiber block 3 and the auxiliary fiber block 6.
[0031] In this embodiment, the inner side surfaces of the feed port 12 and the discharge port 13 are both inclined surfaces, and the width of one side of the bottom of the inclined surface is consistent with the inner side surface of the structure composed of the main fiber block 3 and the secondary fiber block 6. This can reduce the impact of the material entering from the feed port 12 on the secondary fiber block 6 and avoid increasing the loss of the secondary fiber block 6.
[0032] The working principle of the above embodiment is:
[0033] The installation of the main fiber block 3 is completed by sliding the main fiber block 3 into the fixing groove 7 in the fixing plate 2. In the next step, the limiting block 4 on the side of the auxiliary fiber block 6 is slidably inserted into the limiting groove 5 on the side of the main fiber block 3, and then the limiting block 4 on the side of another auxiliary fiber block 6 is used to be inserted into the limiting groove 5 on the side of the auxiliary fiber block 6 that has been installed. After all the auxiliary fiber blocks 6 are installed, the fixing plate 2 is inserted into the interior of the furnace body 1 as a whole, and then the threaded ring 11 on the top of the locking ring 10 is spirally screwed into the threaded groove 9 at the bottom of the furnace body 1 to complete the assembly.
[0034] In addition, when the main fiber block 3 and the auxiliary fiber block 6 need to be replaced, the threaded ring 11 on the top of the locking ring 10 is turned out from the threaded groove 9. After the locking ring 10 is removed, the fixing plate 2 is removed to replace the main fiber block 3 and the auxiliary fiber block 6 inside, or the fixing plate 2, the main fiber block 3 and the auxiliary fiber block 6 can be replaced as a whole, which solves the problem of fiber powdering in the petrochemical cracking furnace due to high temperature and high pressure, resulting in impurities in the product.
[0035] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.
[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.
Claims
1. A structure for preventing fiber block pulverization of a petrochemical cracking furnace, comprising a furnace body (1), characterized in that: The furnace body (1) is provided with components and fixing components used in conjunction with the components; The component comprises a fixed plate (2) movably connected to the inner wall of the furnace body (1), the inner wall of the fixed plate (2) is provided with a plurality of main fiber blocks (3), a limiting block (4) is fixedly installed on one side of the main fiber block (3), a limiting groove (5) is provided on the side of the main fiber block (3), and a plurality of movably connected auxiliary fiber blocks (6) are provided on the side of the main fiber block (3).
2. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The fixing component comprises a fixing ring (8) fixedly mounted on the top of the inner wall of the furnace body (1); a movably connected locking ring (10) is provided at the bottom of the furnace body (1); a feed inlet (12) is provided inside the fixing ring (8); and a discharge outlet (13) is provided inside the locking ring (10).
3. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The fixing plate (2) is annular, and the outer wall of the fixing plate (2) and the inner wall of the furnace body (1) are slidably connected.
4. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The inner side wall of the fixing plate (2) is provided with a plurality of fixing grooves (7) for use with the main fiber block (3); the main fiber block (3) is embedded in the fixing groove (7) and is slidably connected to the fixing groove (7).
5. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The auxiliary fiber block (6) is arc-shaped, a limiting block (4) is fixedly mounted on one side of the auxiliary fiber block (6), and a limiting groove (5) is provided on one side of the auxiliary fiber block (6).
6. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The main fiber block (3) is arc-shaped, and the limiting block (4) on one side of the main fiber block (3) is embedded in the limiting groove (5) on the side of the auxiliary fiber block (6), and the limiting block (4) on the side of the auxiliary fiber block (6) is embedded in the limiting groove (5) on the side of the main fiber block (3) and is slidably connected to the main fiber block (3).
7. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 1, characterized in that: The limiting blocks (4) of the two adjacent secondary fiber blocks (6) are embedded in the limiting groove (5) of another secondary fiber block (6), and the secondary fiber blocks (6) are slidably connected to each other.
8. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 2, characterized in that: The bottom of the furnace body (1) is provided with a threaded groove (9), and a threaded ring (11) is fixedly mounted on the top of the locking ring (10); the threaded ring (11) is embedded in the threaded groove (9) and the outer side is rotatably connected to the threaded groove (9) through a thread.
9. The anti-fiber block pulverization structure of a petrochemical cracking furnace according to claim 2, characterized in that: The inner side surfaces of the feed port (12) and the discharge port (13) are both inclined surfaces, and the width of one side of the bottom of the inclined surface is consistent with the inner side surface of the structure composed of the main fiber block (3) and the auxiliary fiber block (6).