Carbon black reaction furnace with heat recovery function
By setting up a transportation pipe and a water tank on the outer wall of the carbon black reactor, and filtering the flue gas to heat the water in the water tank with a positive pressure suction machine, the problem that the existing reactor does not have the heat recovery function is solved, and the heat recovery and utilization is achieved and resources are saved.
Patent Information
- Application Number
- CN202421889231.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-06
AI Technical Summary
During the carbon black production process, existing reactors do not have the function of heat recovery, which causes a large amount of heat to be dispersed through thermal radiation, resulting in waste of resources.
A carbon black reactor with heat recovery is designed. By setting up a transport pipe on the outer wall of the reactor and using a water pump to transport water to the transport pipe, preheating the water with the heat from the outer wall of the reactor, the water then enters the water tank to store, and filters the flue gas through a positive pressure suction machine. The flue gas heats the water in the water tank to achieve heat recovery and utilization.
It effectively utilizes the heat from the outer wall of the reactor to preheat and heat the water, realizes the recovery and utilization of heat, saves resources, and reduces energy waste.
Smart Images
Figure CN223020917U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carbon black reaction furnaces, in particular to a carbon black reaction furnace with heat recovery. Background Art
[0002] In the process of carbon black production, reaction furnaces are widely used to carry out reaction treatment on carbon black. Carbon black is a carbon black pigment commonly used in the fields of ink, pigment, plastic, rubber, and chemical industry. It has the characteristics of strong adsorption, anti-corrosion, wear resistance, and high stability. In ink, carbon black can improve the concentration and blackness of the ink; in plastics, it can increase the hardness and wear resistance of the plastics; in rubber products, it can increase the strength and wear resistance. Reaction furnaces are also used in the process of carbon black production.
[0003] At present, in the process of carbon black production, a reaction furnace is needed to carry out reaction operations on carbon black for the production of carbon black. During the use of the reaction furnace, it does not have the function of heat recovery, resulting in a large amount of heat being dissipated in the form of thermal radiation on the outer wall of the reaction furnace, wasting resources.
[0004] In view of the above problems, a carbon black reaction furnace with heat recovery is proposed. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a carbon black reaction furnace with heat recovery, which solves the problem of waste of resources caused by the lack of heat recovery function in the background art.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A carbon black reaction furnace with heat recovery, including a reaction furnace body. The bottom of the reaction furnace body is fixedly connected with a combustion chamber. The bottom of the inner diameter of the reaction furnace body is fixedly connected with a fixing plate. The center position of the top of the fixing plate is penetrated and fixedly connected with a smoke pipe, and the smoke pipe penetrates and extends to one side of the reaction furnace body. The top of the smoke pipe is penetrated and fixedly connected with a conveying pipe. A filtering component is arranged at the left end of the conveying pipe. A first connecting pipe is arranged at the left end of the filtering component. The other end of the first connecting pipe is fixedly connected with a recovery chamber, and the recovery chamber penetrates and extends to one side of the recovery chamber. A connecting plate is fixedly connected to the top of the recovery chamber. A water tank is fixedly connected to the bottom of the connecting plate. A liquid outlet pipe is penetrated and fixedly connected to the bottom of the water tank. A transport pipe wound in a spiral shape is arranged on the outer diameter of the reaction furnace body.
[0007] By adopting the above technical solution, an external water pump is connected to the transport pipe to convey water into the transport pipe, and the heat on the outer wall of the reaction furnace body can be used to preheat the water, and then it is conveyed into the water tank through the second connecting pipe for storage.
[0008] As a further description of the above technical solution: The filtering component includes a filtering box. The conveying pipe penetrates through and is fixedly connected to the filtering box. A positive pressure suction machine penetrates through and is arranged at the left end of the filtering box. Two first grooves are respectively formed at the front and rear ends of the inner wall of the filtering box. A first filter screen is slidably connected between two adjacent first grooves on the left side, and a second filter screen is slidably connected between two adjacent first grooves on the right side. Two side plates are fixedly connected to the top of the filtering box. Second grooves are respectively formed on the opposite sides of the two side plates. A lid is slidably connected between the two second grooves. A convex block is fixedly connected to the center position of the top of the lid.
[0009] By adopting the above technical solution, the filtering component can filter the flue gas.
[0010] As a further description of the above technical solution: A protective shell is fixedly connected to the top of the outer diameter of the reaction furnace body. A discharge pipe penetrates through and is fixedly connected to the right end of the outer diameter of the reaction furnace body.
[0011] By adopting the above technical solution, the protective shell protects the transport pipe.
[0012] As a further description of the above technical solution: One end of the transport pipe penetrates through and is fixedly connected to a second connecting pipe. One end of the second connecting pipe sequentially penetrates through the transport pipe and the recovery bin and extends to the side of the water tank. The other end of the transport pipe penetrates through and extends to the side of the protective shell.
[0013] By adopting the above technical solution, when the transport pipe transports water, it can be preheated and then enter the water tank.
[0014] As a further description of the above technical solution: A recovery bin is fixedly connected to the bottom of the liquid outlet pipe, and the recovery bin penetrates through and extends to the side of the recovery bin.
[0015] By adopting the above technical solution, the recovery bin can allow the flue gas to enter and then heat the water tank.
[0016] As a further description of the above technical solution: A smoke outlet pipe penetrates through and is fixedly connected to the top of the recovery bin, and a solenoid valve is arranged at the top end of the smoke outlet pipe.
[0017] By adopting the above technical solution, the solenoid valve controls the smoke outlet pipe.
[0018] As a further description of the above technical solution: A fixing ring is fixedly connected to the bottom of the recovery bin. Two support plates are fixedly connected to the outer diameter of the fixing ring. The bottom of the support plate is fixedly connected to a base.
[0019] By adopting the above technical solution, the support plates support and fix the recovery bin.
[0020] As a further description of the above technical solution: A base is fixedly connected to the bottom of the combustion chamber.
[0021] By adopting the above technical solution, the base supports the combustion chamber.
[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0023] 1. A carbon black reaction furnace with heat recovery provided by the present utility model, through a protective shell, a water tank, a recovery bin, a smoke outlet pipe, an external water pump connected to a transport pipe, and then water is transported in the transport pipe, the heat on the reaction furnace body can be absorbed to preheat the water first. Then the water will enter the water tank for storage. Then, a positive pressure suction machine is started to filter the flue gas, which can enter the recovery bin to heat the water in the water tank, recycle the heat, and save resources.
[0024] 2. A carbon black reaction furnace with heat recovery provided by the present utility model, through a filter box, a positive pressure suction machine, a first filter screen, a second filter screen, and a lid. When the positive pressure suction machine works, the flue gas can be sucked into the interior of the filter box. When passing through the second filter screen, the first filtration is carried out, and when passing through the first filter screen, the second filtration is carried out. Then, after being transported to the recovery bin to heat the water in the water tank, it can be discharged from the smoke outlet pipe. Slide the lid to the left and remove it, and the first filter screen and the second filter screen can be replaced to reduce environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 is a three-dimensional view of the overall structure of the present utility model;
[0026] Figure 2 is a sectional view of the overall structure of the present utility model;
[0027] Figure 3 is an unfolded view of the structure of the filter box of the present utility model.
[0028] In the figure: 1. Reaction furnace body; 2. Combustion chamber; 3. Discharge pipe; 4. Recovery bin; 5. Smoke pipe; 6. Delivery pipe; 7. Filter box; 8. Fixed plate; 9. Base; 10. Transport pipe; 11. Protective shell; 12. Support plate; 13. Second connecting pipe; 14. Fixed ring; 15. Smoke outlet pipe; 16. Solenoid valve; 17. Liquid outlet pipe; 18. Positive pressure suction machine; 19. First filter screen; 20. Second groove; 21. Side plate; 22. Second filter screen; 23. First groove; 24. Lid; 25. Convex block; 26. First connecting pipe; 27. Connecting plate; 28. Water tank. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0030] To further understand the content of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings.
[0031] Combined with Figure 1 , a carbon black reaction furnace with heat recovery of the present invention includes a reaction furnace body 1. A combustion chamber 2 is fixedly connected to the bottom of the reaction furnace body 1. A fixing plate 8 is fixedly connected to the inner diameter bottom of the reaction furnace body 1. A smoke pipe 5 penetrates and is fixedly connected to the center position of the top of the fixing plate 8, and the smoke pipe 5 penetrates and extends to one side of the reaction furnace body 1. One end of a transport pipe 10 penetrates and is fixedly connected to a second connection pipe 13. One end of the second connection pipe 13 sequentially penetrates the transport pipe 10 and the recovery chamber 4 and extends to one side of a water tank 28. The other end of the transport pipe 10 penetrates and extends to one side of a protective shell 11. A fixing ring 14 is fixedly connected to the bottom of the recovery chamber 4. Two support plates 12 are fixedly connected to the outer diameter of the fixing ring 14. The bottom of the support plates 12 is fixedly connected to a base 9, and the bottom of the combustion chamber 2 is fixedly connected to the base 9.
[0032] Combustible materials are placed in the combustion chamber 2 to heat the inside of the reaction furnace body 1. Then, the smoke pipe 5 can transport the generated flue gas and filter it through the inside of a filter box 7.
[0033] Combined with Figure 2 , the top of the smoke pipe 5 penetrates and is fixedly connected to a delivery pipe 6. A filter assembly is arranged at the left end of the delivery pipe 6. A first connection pipe 26 is arranged at the left end of the filter assembly. The other end of the first connection pipe 26 is fixedly connected to the recovery chamber 4, and the recovery chamber 4 penetrates and extends to one side of the recovery chamber 4. A connecting plate 27 is fixedly connected to the top of the recovery chamber 4. A water tank 28 is fixedly connected to the bottom of the connecting plate 27. A liquid outlet pipe 17 penetrates and is fixedly connected to the bottom of the water tank 28. A spiral-wound transport pipe 10 is arranged on the outer diameter of the reaction furnace body 1. A protective shell 11 is fixedly connected to the top of the outer diameter of the reaction furnace body 1. A discharge pipe 3 penetrates and is fixedly connected to the right end of the outer diameter of the reaction furnace body 1. The bottom of the liquid outlet pipe 17 is fixedly connected to the recovery chamber 4, and the recovery chamber 4 penetrates and extends to one side of the recovery chamber 4.
[0034] An external water pump can transport water to the transport pipe 10. Then, an electromagnetic valve can be placed on the second connection pipe 13 to make the preheating time of the water longer. Then, the water pump is started again to transport the water into the water tank 28, and the heated water can be discharged from the liquid outlet pipe 17.
[0035] Combination Figure 3 Figure 3 , the filtering component includes a filtering box 7, a conveying pipe 6 penetrates and is fixedly connected to the filtering box 7, a positive pressure suction machine 18 penetrates and is arranged at the left end of the filtering box 7, two first grooves 23 are respectively opened at the front and rear ends of the inner wall of the filtering box 7, a first filter screen 19 is slidably connected between two adjacent first grooves 23 at the left side, a second filter screen 22 is slidably connected between two adjacent first grooves 23 at the right side, two side plates 21 are fixedly connected to the top of the filtering box 7, a second groove 20 is respectively opened at the opposite sides of the two side plates 21, a cover 24 is slidably connected between the two second grooves 20, a convex block 25 is fixedly connected to the center position of the top of the cover 24, a smoke outlet pipe 15 penetrates and is fixedly connected to the top of the recovery bin 4, and a solenoid valve 16 is arranged at the top end of the smoke outlet pipe 15.
[0036]
[0036] After the second filter screen 22 and the first filter screen 19 are used for a long time, the cover 24 can be slid to one side by applying force to the convex block 25, the cover 24 can be slid out of the second groove 20, and then the second filter screen 22 or the first filter screen 19 can be slid out upward for replacement.
[0037]
[0037] Working principle: When using the carbon black reaction furnace, first discharge the raw materials from the feed pipe above the recovery bin 4, then heat the inside of the reaction furnace body 1 to produce carbon black. Then, an external water pump can be connected to the transport pipe 10 to transport water into the transport pipe 10, and the heat on the outer wall of the reaction furnace body 1 can be used to preheat the water. Then, it is transported into the water tank 28 through the second connecting pipe 13 for storage. Then, start the positive pressure suction machine 18 to transport the flue gas into the filtering box 7 through the conveying pipe 6. When the flue gas enters the filtering box 7, it will first pass through the second filter screen 22 for the first filtration, and then pass through the first filter screen 19 for the second filtration. When the second filter screen 22 and the first filter screen 19 need to be replaced, the convex block 25 can be pinched, and then the cover 24 can be slid to one side to remove it. Then, the first filter screen 19 or the second filter screen 22 can be slid upward for replacement. It is transported through the first connecting pipe 26 into the recovery bin 4, and the heat of the flue gas is used to heat the water tank 28 for heat recovery and utilization. Finally, the solenoid valve 16 can be opened and discharged from the smoke outlet pipe 15.
[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.
[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A carbon black reactor with heat recovery, comprising a reactor body (1), characterized in that: The bottom of the reactor body (1) is fixedly connected to a combustion chamber (2); the bottom of the inner diameter of the reactor body (1) is fixedly connected to a fixing plate (8); a smoke pipe (5) is passed through and fixedly connected at the center position of the top of the fixing plate (8), and the smoke pipe (5) passes through and extends to one side of the reactor body (1); a conveying pipe (6) is passed through and fixedly connected at the top of the smoke pipe (5); a filter assembly is provided at the left end of the conveying pipe (6); a first connecting pipe (26) is provided at the left end of the filter assembly; the other end of the first connecting pipe (26) is fixedly connected to a recovery chamber (4), and the recovery chamber (4) passes through and extends to one side of the recovery chamber (4); a connecting plate (27) is fixedly connected to the top of the recovery chamber (4); a water tank (28) is fixedly connected to the bottom of the connecting plate (27); a liquid outlet pipe (17) is passed through and fixedly connected to the bottom of the water tank (28); and a spirally wound conveying pipe (10) is provided at the outer diameter of the reactor body (1).
2. A carbon black reactor with heat recovery according to claim 1, characterized in that: The filter assembly comprises a filter box (7), the delivery pipe (6) passes through and is fixedly connected to the filter box (7), the left end of the filter box (7) passes through and is provided with a positive pressure suction machine (18), two first grooves (23) are provided at both front and rear ends of the inner wall of the filter box (7), a first filter net (19) is slidably connected between two adjacent first grooves (23) on the left side, and a second filter net (22) is slidably connected between two adjacent first grooves (23) on the right side, two side plates (21) are fixedly connected to the top of the filter box (7), second grooves (20) are provided on opposite sides of the two side plates (21), a cover (24) is slidably connected between the two second grooves (20), and a protrusion (25) is fixedly connected at the center position of the top of the cover (24).
3. The carbon black reactor with heat recovery according to claim 1, characterized in that: A protective shell (11) is fixedly connected to the top of the outer diameter of the reaction furnace body (1), and a discharge pipe (3) is passed through and fixedly connected to the right end of the outer diameter of the reaction furnace body (1).
4. The carbon black reactor with heat recovery according to claim 1, characterized in that: One end of the transport pipe (10) passes through and is fixedly connected to a second connecting pipe (13); one end of the second connecting pipe (13) passes through the transport pipe (10) and the recovery bin (4) in sequence and extends to one side of the water tank (28); the other end of the transport pipe (10) passes through and extends to one side of the protective shell (11).
5. The carbon black reactor with heat recovery according to claim 1, characterized in that: The bottom of the liquid outlet pipe (17) is fixedly connected to the recovery bin (4), and the recovery bin (4) penetrates and extends to one side of the recovery bin (4).
6. The carbon black reactor with heat recovery according to claim 1, characterized in that: A smoke outlet pipe (15) passes through and is fixedly connected to the top of the recovery bin (4), and a solenoid valve (16) is provided at the top of the smoke outlet pipe (15).
7. The carbon black reactor with heat recovery according to claim 1, characterized in that: A fixing ring (14) is fixedly connected to the bottom of the recovery bin (4), two support plates (12) are fixedly connected to the outer diameter of the fixing ring (14), and a base (9) is fixedly connected to the bottom of the support plate (12).
8. The carbon black reactor with heat recovery according to claim 1, characterized in that: The bottom of the combustion chamber (2) is fixedly connected with a base (9).