Waste heat recovery device for acetylene carbon black production line
By designing a waste heat recovery device for acetylene carbon black production line, the problems of heat waste and pollution in the production process of acetylene carbon black are solved, the secondary utilization of waste heat and impurity filtration are realized, and the resource utilization rate and environmental protection effect are improved.
Patent Information
- Application Number
- CN202421424910.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-21
AI Technical Summary
During the production of acetylene carbon black, the heat generated is usually discharged directly, resulting in waste of resources and environmental pollution.
A waste heat recovery device for acetylene carbon black production line is designed, and the secondary utilization of waste heat is achieved through components such as combustion furnaces, filter boxes, heating boxes and spiral heating pipes. After the heat is filtered, it enters the spiral heating pipe, and then heats through a heater. After the heat heats up, it returns to the combustion furnace for reuse.
The secondary utilization of waste heat is achieved, resource waste and environmental pollution are avoided, and impurities are filtered to ensure the quality of waste heat.
Smart Images
Figure CN222688167U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for an acetylene carbon black production line. Background Art
[0002] Acetylene carbon black is produced by continuously filling the combustion furnace with air. The acetylene from the acetylene gas tank passes through the flame arrester and water seal, and is ignited and burned through the nozzle to dry the furnace. When the temperature in the furnace reaches about 1400℃, the acetylene intake is adjusted to the maximum. At this time, acetylene begins to react in a high temperature environment and generates heat, thereby generating carbon black and tail gas (the main component is hydrogen);
[0003] In the process of acetylene carbon black production, when the temperature in the furnace reaches about 1400℃, acetylene begins to react and generate heat in the high temperature environment. However, the generated heat is usually directly discharged from the combustion furnace to the outside, which directly causes waste of resources and pollutes the environment. Utility Model Content
[0004] In order to solve the problem that the generated heat is usually discharged directly from the combustion furnace to the outside, which directly causes waste of resources and pollutes the environment; the purpose of the utility model is to provide a waste heat recovery device for an acetylene carbon black production line.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a waste heat recovery device for an acetylene carbon black production line, comprising a combustion furnace, a first inlet pipe is fixedly installed on one side of the combustion furnace, a filter box is fixedly installed on the bottom end of the first inlet pipe, a first discharge pipe is fixedly installed on the bottom end of the filter box, a first connection is fixedly installed on the bottom end of the first discharge pipe, a heating box is fixedly installed on the bottom end of the first connection, a second connection is fixedly installed on the bottom end of the heating box, a second inlet pipe is fixedly installed on the bottom end of the second connection, the second inlet pipe, the heating box and the filter box are all fixed on the combustion furnace, a common spiral heating pipe is fixedly passed through the inside of the first connection and the second connection, a heater is fixedly installed on the side of the heating box away from the combustion furnace, and a heating rod is fixedly installed on one side of the heater inside the spiral heating pipe.
[0006] Preferably, an inclined impurity filter is fixedly installed inside the filter box, a discharge pipe is fixedly installed on the side of the filter box away from the combustion furnace, a collecting box is fixedly installed on the side of the discharge pipe away from the filter box, and a drawer is movably installed inside the collecting box.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] 1. This application realizes the secondary utilization of waste heat, avoiding waste of resources and pollution of the environment;
[0009] 2. This application achieves filtering of impurities in heat to avoid affecting the secondary use of waste heat. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0011] Figure 1 It is a schematic diagram of the structure of the utility model.
[0012] Figure 2 It is a schematic diagram of the heating box structure in the utility model.
[0013] Figure 3 It is a schematic diagram of the internal structure of the heat preservation cover in the utility model.
[0014] Figure 4 This is a schematic diagram of the internal structure of the filter box in the utility model.
[0015] In the figure: 1. combustion furnace; 11. first inflow pipe; 12. filter box; 13. first discharge pipe; 14. first connection; 15. heating box; 16. second connection; 17. second inflow pipe; 18. second discharge pipe; 2. spiral heating tube; 21. heater; 22. heating rod; 3. impurity filter; 31. discharge pipe; 32. collection box; 33. drawer; 4. insulation cover; 5. protection tube; 6. support plate. DETAILED DESCRIPTION
[0016] 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.
[0017] Example: Figure 1-4As shown, the utility model provides a waste heat recovery device for an acetylene carbon black production line, comprising a combustion furnace 1, a first inflow pipe 11 is fixedly installed on one side of the combustion furnace 1, a filter box 12 is fixedly installed at the bottom end of the first inflow pipe 11, a first discharge pipe 13 is fixedly installed at the bottom end of the filter box 12, a first connection 14 is fixedly installed at the bottom end of the first connection 14, a heating box 15 is fixedly installed at the bottom end of the first connection 14, a second connection 16 is fixedly installed at the bottom end of the heating box 15, a second inflow pipe 17 is fixedly installed at the bottom end of the second connection 16, the second inflow pipe 17, the heating box 15, and the filter box 12 are all fixedly fixed on the combustion furnace 1, a common spiral heating pipe 2 is fixedly penetrated inside the first connection 14 and the second connection 16, a heater 21 is fixedly installed on the side of the heating box 15 away from the combustion furnace 1, and a heating rod 22 is fixedly installed inside the spiral heating pipe 2 on one side of the heater 21.
[0018] An inclined impurity filter 3 is fixedly installed inside the filter box 12, a discharge pipe 31 is fixedly installed on the side of the filter box 12 away from the combustion furnace 1, a collection box 32 is fixedly installed on the side of the discharge pipe 31 away from the filter box 12, and a drawer 33 is movably installed inside the collection box 32.
[0019] A heat preservation cover 4 is fixedly installed inside the heating box 15, and the heat preservation cover 4 is located outside the spiral heating tube 2. By arranging the heat preservation cover 4, the heated heat is kept warm to avoid heat energy loss.
[0020] Protective tubes 5 are fixedly provided on the outside of both ends of the spiral heating tube 2. The diameter of the protective tubes 5 is larger than the diameter of the spiral heating tube 2. The protective tubes 5 are installed on the heat-insulating cover 4. The upper protective tube 5 passes through the heating box 15 and is fixed at the bottom of the first connection 14. The lower protective tube 5 passes through the heating box 15 and is fixed at the top of the second connection 16. By providing the protective tubes 5, the first connection 14 between the spiral heating tube 2 and the first discharge pipe 13 and the second connection 16 between the spiral heating tube 2 and the second inlet pipe 17 are protected to avoid damage to the first connection 14 and the second connection 16 caused by impact force, thereby improving the service life.
[0021] A support plate 6 is fixedly installed on one side of the combustion furnace 1 close to the filter box 12, the first discharge pipe 13 passes through the support plate 6, and the collection box 32 is fixed on the support plate 6. By setting the support plate 6, the filter box 12 is supported to make the filter box 12 more stable.
[0022] A second discharge pipe 18 is fixedly connected to a side of the second inlet pipe 17 away from the combustion furnace 1. By providing the second discharge pipe 18, part of the heated heat can be discharged to other places for other uses.
[0023] Working principle: In actual use, when the heat in the combustion furnace 1 is recovered, the waste heat in the combustion furnace 1 enters the filter box 12 through the first inflow pipe 11, and then the impurities in the heat are filtered through the impurity filter 3, and the clean heat is directly discharged from the first discharge pipe 13 and enters the spiral heating tube 2 in the heating box 15, and then the heater 21 is turned on, so that the heater 21 heats the heating rod 22, and then the spiral heating tube 2 is heated by the heating rod 22, and the heat in the spiral heating tube 2 is heated, and then the heated heat is returned to the combustion furnace 1 from the second inflow pipe 17 for reuse, avoiding the waste of resources and pollution of the environment, and then the other clean part is discharged to other places through the second discharge pipe 18 for other uses;
[0024] The impurities filtered from the impurity filter 3 directly slide down from the impurity filter 3 and enter the drawer 33 in the collection box 32 through the discharge pipe 31 to collect the impurities, thereby preventing the impurities from remaining in the filter box 12 and affecting the filtration of the impurity filter 3.
[0025] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A waste heat recovery device for an acetylene carbon black production line, comprising a combustion furnace (1), characterized in that: A first inflow pipe (11) is fixedly mounted on one side of the combustion furnace (1), a filter box (12) is fixedly mounted on the bottom end of the first inflow pipe (11), a first discharge pipe (13) is fixedly mounted on the bottom end of the filter box (12), a first connection point (14) is fixedly mounted on the bottom end of the first discharge pipe (13), a heating box (15) is fixedly mounted on the bottom end of the first connection point (14), a second connection point (16) is fixedly mounted on the bottom end of the heating box (15), a second inflow pipe (17) is fixedly mounted on the bottom end of the second connection point (16), the second inflow pipe (17), the heating box (15) and the filter box (12) are all fixed on the combustion furnace (1), a common spiral heating pipe (2) is fixedly mounted inside the first connection point (14) and the second connection point (16), a heater (21) is fixedly mounted on the side of the heating box (15) away from the combustion furnace (1), and a heating rod (22) is fixedly mounted on one side of the heater (21) located inside the spiral heating pipe (2).
2. The waste heat recovery device for an acetylene carbon black production line according to claim 1, characterized in that: An inclined impurity filter (3) is fixedly installed inside the filter box (12), a discharge pipe (31) is fixedly installed on a side of the filter box (12) away from the combustion furnace (1), a collection box (32) is fixedly installed on a side of the discharge pipe (31) away from the filter box (12), and a drawer (33) is movably installed inside the collection box (32).
3. The waste heat recovery device for an acetylene carbon black production line according to claim 1, characterized in that: A heat-insulating cover (4) is fixedly installed inside the heating box (15), and the heat-insulating cover (4) is located outside the spiral heating tube (2).
4. The waste heat recovery device for an acetylene carbon black production line according to claim 1, characterized in that: Protective tubes (5) are fixedly mounted on the outside of both ends of the spiral heating tube (2). The diameter of the protective tube (5) is larger than the diameter of the spiral heating tube (2). The protective tube (5) is installed on the heat-insulating cover (4). The protective tube (5) located at the top passes through the heating box (15) and is fixed at the bottom of the first connection (14). The protective tube (5) located at the bottom passes through the heating box (15) and is fixed at the top of the second connection (16).
5. The waste heat recovery device for an acetylene carbon black production line according to claim 2, characterized in that: A support plate (6) is fixedly mounted on one side of the combustion furnace (1) close to the filter box (12); the first discharge pipe (13) passes through the support plate (6); and the collection box (32) is fixed on the support plate (6).
6. The waste heat recovery device for an acetylene carbon black production line according to claim 1, characterized in that: A second discharge pipe (18) is fixedly connected to the side of the second inlet pipe (17) away from the combustion furnace (1).