Raw material primary preheater

Abstract

The utility model relates to the technical field of first-stage preheaters, in particular to a first-stage raw material preheater which comprises a tank body, a disc cover used for blocking is assembled on the surface of one side end of the periphery of the tank body through bolts, and two sets of transverse pipes used for connection are assembled on the surface of the outer side wall of the disc cover. When the primary preheater is used for preheating raw oil, the raw oil conveniently enters from the transverse pipes on the surface of the disc cover on the outer side of the tank body and conveniently flows into the spiral pipe located on the inner side of the tank body, so that a high-temperature medium entering the tank body can preheat the raw oil flowing through the inner side of the spiral pipe, and the raw oil is conveniently discharged from the other group of transverse pipes after being preheated; when the interior of the spiral pipe needs to be cleaned, the disc cover and the tank body can be separated from each other only by disassembling a bolt for fixing the disc cover, so that the disc cover and the spiral pipe are convenient to disassemble, convenient to clean or replace, and convenient to continuously preheat raw oil subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of primary preheaters, and particularly relates to a primary raw material preheater. Background Art

[0002] During the carbon black production process, fuel and post-waste heat air are mixed and burned in the combustion section of the carbon black reaction furnace to generate a high-temperature combustion gas stream at about 1927°C. The raw material oil incompletely burns in the high-temperature flue gas to generate carbon black. At the rear of the carbon black reaction furnace, a large amount of quenching water needs to be sprayed into the carbon black flue gas to terminate the carbon black reaction. The temperature of the carbon black flue gas at the outlet of the carbon black reaction furnace is reduced to 950°C. When using a bag filter to collect the carbon black flue gas, the carbon black flue gas needs to be reduced to below 280°C to avoid damaging the filter bag; Patent No. CN202220578571.3 discloses a carbon black flue gas waste heat recovery system and a carbon black production device. By setting up two-stage preheating recovery devices, it can ensure that the raw material oil secondary preheater has sufficient heat sources to preheat the raw material oil. At the same time, it can also ensure that the heat in the carbon black flue gas can be maximally recovered and reused to save energy; however, since the raw material oil first enters the primary preheater for preheating, and the temperature inside the primary preheater fails to reach the corresponding standard, some substances in the raw material oil are likely to adhere to the inner part of the pipeline inside the primary preheater. At the same time, the pipeline for guiding the raw material oil inside the primary preheater is not convenient for disassembly, resulting in rather inconvenient cleaning. For this reason, we propose a primary raw material preheater. Summary of the Utility Model

[0003] In view of the problems in the prior art, the utility model provides a primary raw material preheater.

[0004] The technical solution adopted by the utility model to solve its technical problems is a primary raw material preheater, which includes a tank body. One side end surface of the outer periphery of the tank body is assembled with a disc cover for plugging through bolts, and a horizontal pipe for connection is assembled on the outer side wall surface of the disc cover. There are two groups of horizontal pipes. One side of the disc cover located inside the tank body is assembled with a spiral pipe communicated with the horizontal pipe;

[0005] One side of the disc cover located inside the tank body is assembled with a disc seat through bolts, and one end of the disc seat away from the disc cover is assembled with a vertical rod located inside the inner circumference of the spiral pipe. There are multiple groups of vertical rods. One end of the vertical rod away from the disc seat is integrally constructed with a ring for support. Multiple groups of vertical holes for connection are opened on the outer peripheral surface of the ring, and a plug rod inserted and connected with the vertical holes is assembled on one side end surface of the inner circumference of the tank body.

[0006] By adopting the above technical solution, when preheating the feedstock oil with the primary preheater, the feedstock oil can easily enter through the horizontal pipes on the surface of the disc cover on the outer side of the tank body and flow into the spiral pipe located inside the tank body, enabling the high-temperature medium entering the tank body to preheat the feedstock oil flowing through the inner side of the spiral pipe, and it is convenient to discharge from another group of horizontal pipes after preheating. When it is necessary to clean the inside of the spiral pipe, only the bolts fixing the disc cover need to be removed, so that the disc cover and the tank body can be separated from each other, thus facilitating the disassembly of the disc cover and the spiral pipe, facilitating their cleaning or replacement, and facilitating the subsequent continuous preheating of the feedstock oil;

[0007] After the cleaning or replacement of the spiral pipe is completed, the disc cover can be reinstalled at the open end of the tank body. At the same time, the spiral pipe can be easily inserted into the inner side of the tank body, and the disc seat on the inner side of the disc cover is convenient for supporting multiple vertical rods, enabling the bracket composed of the vertical rods and the ring to support the spiral pipe, so that the spiral pipe can operate stably inside the tank body, facilitating the stable diversion and preheating of the feedstock oil. At the same time, the vertical holes on the surface of the ring are convenient for mutual insertion with the insertion rods on the inner wall of the tank body, facilitating the improvement of the stability when the vertical rods and the ring support the spiral pipe, and facilitating disassembly and assembly.

[0008] Specifically, one end of the outer periphery of the tank body far from the disc cover is assembled with a cover plate for sealing through bolts, and a heating coil located inside the inner circumference of the spiral pipe is assembled on one side of the cover plate located inside the tank body.

[0009] By adopting the above technical solution, the cover plate is convenient for supporting the heating coil, enabling the heating coil to be easily installed inside the tank body and located inside the inner circumference of the spiral pipe. When the medium for preheating the feedstock oil is insufficient, the heating coil can be operated to facilitate the auxiliary preheating of the feedstock oil inside the spiral pipe.

[0010] Specifically, a pipe seat for diversion is assembled on the outer peripheral surface of the tank body, and there are multiple groups of pipe seats. A valve body for controlling opening and closing is assembled inside the pipe seat.

[0011] By adopting the above technical solution, the pipe seat is convenient for connecting with the external pipeline, enabling the medium for preheating the feedstock oil to enter the inside of the tank body, facilitating the preheating of the feedstock oil, and at the same time, the valve body is convenient for controlling the opening and closing of the pipe seat.

[0012] Specifically, annular grooves for connection are opened on the opposite sides of the disc cover and the tank body and on the opposite sides of the cover plate and the tank body. And annular bodies that are integrally constructed and fit with the annular grooves are provided on the opposite sides of the disc cover and the tank body and on the opposite sides of the cover plate and the tank body. A rubber pad is clamped on the bottom surface of the inner side of the annular groove.

[0013] By adopting the above technical solution, the ring body and the ring groove are mutually fitted and connected, which is convenient for improving the tightness after the connection between the cover plate, the disc cover and the tank body, facilitating the reduction of leakage conditions. At the same time, the rubber pad is convenient for improving the tightness after the connection between the ring body and the ring groove, further improving the tightness after the installation of the cover plate and the disc cover.

[0014] Specifically, a handle is assembled at one end of the disc cover away from the tank body.

[0015] By adopting the above technical solution, the handle makes it more convenient to move the disc cover.

[0016] Specifically, a cavity is provided inside the tank body.

[0017] By adopting the above technical solution, the cavity inside the tank body is designed in a vacuum type, which is convenient for reducing the heat conduction inside the tank body, making the heat more concentrated.

[0018] Compared with the prior art, the present utility model has the following beneficial effects:

[0019] 1. Through the design of the disc cover, the horizontal pipe and the spiral pipe in the technical solution of the present application, when preheating the raw material oil by using the primary preheater, the raw material oil can conveniently enter from the horizontal pipe on the surface of the disc cover outside the tank body and flow into the spiral pipe inside the tank body. The high-temperature medium entering the tank body can preheat the raw material oil flowing through the inside of the spiral pipe, and after preheating, it is convenient to discharge from another group of horizontal pipes. When it is necessary to clean the inside of the spiral pipe, only the bolts fixing the disc cover need to be removed, so that the disc cover and the tank body can be separated from each other, thus facilitating the disassembly of the disc cover and the spiral pipe, convenient for cleaning or replacing them, and convenient for subsequent continuous preheating of the raw material oil.

[0020] 2. Through the design of the vertical rod, the disc seat, the ring, the vertical hole and the insertion rod in the technical solution of the present application, after cleaning or replacing the spiral pipe, the disc cover can be continuously installed at the opening end of the tank body. At the same time, the spiral pipe can be conveniently inserted inside the tank body, and the disc seat inside the disc cover is convenient for supporting a plurality of vertical rods, so that the bracket composed of the vertical rod and the ring can support the spiral pipe, enabling the spiral pipe to operate stably inside the tank body, facilitating the stable diversion and preheating of the raw material oil. At the same time, the vertical holes on the surface of the ring are convenient for mutual insertion with the insertion rods on the inner wall of the tank body, facilitating the improvement of the stability when the vertical rod and the ring support the spiral pipe, and convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present utility model will be further described below with reference to the drawings and embodiments.

[0022] Figure 1 It is an isometric view of the present utility model;

[0023] Figure 2Cross-sectional schematic diagram of the inner structure of the tank body of the present utility model;

[0024] Figure 3 Schematic diagram of the connection structure between the disc base and the ring of the present utility model;

[0025] In the figure: 1, tank body; 2, disc cover; 3, horizontal pipe; 4, spiral pipe; 5, disc base; 6, vertical rod; 7, ring; 8, vertical hole; 9, insertion rod; 10, cover plate; 11, heating coil; 12, cavity; 13, ring groove; 14, ring body; 15, rubber pad; 16, pipe seat; 17, valve body; 18, handle. Specific embodiments

[0026] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] Please refer to Figures 1-3 , an embodiment of the present utility model provides a technical solution: a primary preheater for raw materials, including a tank body 1, one side end surface of the outer periphery of the tank body 1 is assembled with a disc cover 2 for sealing by bolts, and the outer side wall surface of the disc cover 2 is assembled with a horizontal pipe 3 for connection, and there are two groups of horizontal pipes 3. One side of the disc cover 2 located inside the tank body 1 is assembled with a spiral pipe 4 communicated with the horizontal pipe 3; one side of the disc cover 2 located inside the tank body 1 is assembled with a disc base 5 by bolts, and one end of the disc base 5 away from the disc cover 2 is assembled with a vertical rod 6 located inside the inner circumference of the spiral pipe 4, and there are multiple groups of vertical rods 6. One end of the vertical rod 6 away from the disc base 5 is integrally constructed with a ring 7 for support, and the outer peripheral surface of the ring 7 is provided with multiple groups of vertical holes 8 for connection, and one side end surface of the inner circumference of the tank body 1 is assembled with an insertion rod 9 inserted and connected with the vertical holes 8.

[0028] During use, when using the primary preheater to preheat the raw material oil, the raw material oil can conveniently enter from the horizontal pipe 3 on the surface of the disc cover 2 outside the tank body 1 and flow into the spiral pipe 4 inside the tank body 1, so that the high-temperature medium entering the tank body 1 can preheat the raw material oil flowing through the inside of the spiral pipe 4, and after preheating, it can conveniently be discharged from the other group of horizontal pipes 3. When it is necessary to clean the inside of the spiral pipe 4, only the bolts fixing the disc cover 2 need to be removed, so that the disc cover 2 and the tank body 1 can be separated from each other, thereby facilitating the disassembly of the disc cover 2 and the spiral pipe 4, facilitating their cleaning or replacement, and facilitating the subsequent continuous preheating of the raw material oil;

[0029] After cleaning or replacing the spiral tube 4, the disc cover 2 can be reinstalled at the open end of the tank body 1. At the same time, the spiral tube 4 can be easily inserted into the inner side of the tank body 1, and the disc seat 5 on the inner side of the disc cover 2 can conveniently support multiple vertical rods 6, so that the bracket composed of the vertical rods 6 and the ring 7 can support the spiral tube 4, enabling the spiral tube 4 to operate stably inside the tank body 1, facilitating the stable diversion and preheating of the raw oil. Meanwhile, the vertical holes 8 on the surface of the ring 7 can be easily inserted into the insertion rods 9 on the inner wall of the tank body 1, which is convenient for improving the stability when the vertical rods 6 and the ring 7 support the spiral tube 4, and is also convenient for disassembly and assembly.

[0030] As Figure 2 shown, one end of the outer periphery of the tank body 1 away from the disc cover 2 is assembled with a sealing cover plate 10 through bolts, and a heating coil 11 located inside the inner circumference of the spiral tube 4 is assembled on one side of the cover plate 10 located inside the tank body 1.

[0031] During use, the cover plate 10 can conveniently support the heating coil 11, enabling the heating coil 11 to be easily installed inside the tank body 1 and located inside the inner circumference of the spiral tube 4. When the medium for preheating the raw oil is insufficient, the heating coil 11 can be operated to conveniently assist in preheating the raw oil inside the spiral tube 4.

[0032] As Figure 1 and Figure 2 shown, a pipe seat 16 for diversion is assembled on the outer peripheral surface of the tank body 1, and there are multiple groups of pipe seats 16. A valve body 17 for controlling opening and closing is assembled inside the pipe seat 16.

[0033] During use, the pipe seat 16 can be easily connected to an external pipeline, enabling the medium for preheating the raw oil to enter the inner side of the tank body 1, facilitating the preheating of the raw oil. At the same time, the valve body 17 can conveniently control the opening and closing of the pipe seat 16.

[0034] As Figure 2 shown, ring grooves 13 for connection are provided on the opposite sides of the disc cover 2 and the tank body 1 and on the opposite sides of the cover plate 10 and the tank body 1. And on the opposite sides of the disc cover 2 and the tank body 1 and on the opposite sides of the cover plate 10 and the tank body 1, a ring body 14 that fits and connects with the ring groove 13 is integrally formed. A rubber pad 15 is clamped on the bottom surface of the inner side of the ring groove 13.

[0035] During use, the ring body 14 and the ring groove 13 are fitted and connected to each other, which is convenient for improving the tightness after the connection between the cover plate 10, the disc cover 2 and the tank body 1, facilitating the reduction of leakage. At the same time, the rubber pad 15 is convenient for improving the tightness after the connection between the ring body 14 and the ring groove 13, further improving the tightness after the installation of the cover plate 10 and the disc cover 2.

[0036] As Figure 1 shown, a handle 18 is assembled at one end of the disc cover 2 away from the tank body 1.

[0037] During use, the handle 18 makes it more convenient to move the disc cover 2.

[0038] As Figure 2 shown, a cavity 12 is provided inside the tank body 1.

[0039] During use, the cavity 12 inside the tank body 1 is designed in a vacuum type, which is convenient for reducing the heat conduction inside the tank body 1 and making the heat more concentrated.

[0040] The working principle and usage process of the present utility model: During use, first install the corresponding structural components in appropriate positions. When preheating the raw material oil using the primary preheater, the raw material oil conveniently enters from the horizontal pipe 3 on the surface of the disc cover 2 outside the tank body 1 and conveniently flows into the spiral pipe 4 inside the tank body 1, so that the high-temperature medium entering the tank body 1 can preheat the raw material oil flowing inside the spiral pipe 4, and after preheating, it conveniently discharges from another group of horizontal pipes 3. When it is necessary to clean the inside of the spiral pipe 4, only need to remove the bolts fixing the disc cover 2, then the disc cover 2 and the tank body 1 can be separated from each other, thus facilitating the disassembly of the disc cover 2 and the spiral pipe 4, convenient for cleaning or replacement, and convenient for subsequent continuous preheating of the raw material oil. After the cleaning or replacement of the spiral pipe 4 is completed, the disc cover 2 can be reinstalled at the opening end of the tank body 1. At the same time, the spiral pipe 4 conveniently inserts into the inside of the tank body 1, and the disc seat 5 inside the disc cover 2 conveniently supports multiple vertical rods 6, so that the bracket composed of the vertical rods 6 and the ring 7 can support the spiral pipe 4, enabling the spiral pipe 4 to operate stably inside the tank body 1, convenient for stably guiding and preheating the raw material oil. At the same time, the vertical holes 8 on the surface of the ring 7 are conveniently inserted into the insertion rods 9 on the inner wall of the tank body 1, which is convenient for improving the stability when the vertical rods 6 and the ring 7 support the spiral pipe 4, and is also convenient for disassembly and assembly.

[0041] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A primary preheater for raw materials, characterized in that: The tank body (1) comprises a tank body (1), wherein a disk cover (2) for sealing is assembled on the outer side end surface of the tank body (1) by means of bolts, and a transverse tube (3) for connection is assembled on the outer side wall surface of the disk cover (2), and the transverse tube (3) has two groups, and a spiral tube (4) connected to the transverse tube (3) is assembled on one side of the disk cover (2) located on the inner side of the tank body (1); The disc cover (2) is provided with a disc seat (5) on one side located inside the tank body (1) by means of bolts, and the disc seat (5) is provided with a vertical rod (6) located on the inner circumference of the spiral tube (4) at one end away from the disc cover (2), and there are multiple groups of vertical rods (6). The vertical rod (6) is integrally formed with a ring (7) for support at one end away from the disc seat (5), and the outer circumferential surface of the ring (7) is provided with vertical holes (8) for connection, and there are multiple groups of vertical holes (8). The inner circumferential side end surface of the tank body (1) is provided with an insertion rod (9) which is plugged and connected with the vertical hole (8).

2. A primary preheater for raw materials according to claim 1, characterized in that: A cover plate (10) for sealing is installed via bolts at one end of the outer periphery of the tank body (1) away from the disc cover (2), and a heating coil (11) located on the inner periphery of the spiral tube (4) is installed on one side of the cover plate (10) located on the inner side of the tank body (1).

3. A primary preheater for raw materials according to claim 1, characterized in that: The outer peripheral surface of the tank body (1) is equipped with a pipe seat (16) for guiding flow, and there are multiple groups of pipe seats (16). The inner side of the pipe seat (16) is equipped with a valve body (17) for controlling opening and closing.

4. A primary preheater for raw materials according to claim 1, characterized in that: The side of the plate cover (2) facing the tank body (1) and the side of the cover plate (10) facing the tank body (1) are both provided with an annular groove (13) for connection, and the side of the plate cover (2) facing the tank body (1) and the side of the cover plate (10) facing the tank body (1) are both integrally formed with an annular body (14) that fits and connects with the annular groove (13), and the inner bottom surface of the annular groove (13) is clamped with a rubber pad (15).

5. A primary preheater for raw materials according to claim 1, characterized in that: The end of the plate cover (2) away from the tank body (1) is equipped with a handle (18).

6. A primary preheater for raw materials according to claim 1, characterized in that: A cavity (12) is provided inside the tank body (1).

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