A heating jacket for a slant-brace structure tank container

Abstract

The present invention belongs to a heating device for a slant strut structure tank container. In order to solve the technical problem in the prior art that the heating jacket of the slant strut structure tank container is affected by the slant strut structure, and the layout of the steam inlet, steam outlet and water outlet paths is limited, resulting in poor heating uniformity, a heating jacket for a slant strut structure tank container is provided. One end of the middle heating jacket plate is provided with two steam inlet heating jacket plates; one end of the steam inlet heating jacket plate is attached to the end face of the middle heating jacket plate, and the other end is provided with a steam inlet. The inner cavities of the two steam inlet heating jacket plates are respectively communicated with the inner cavity of the middle heating jacket plate; the other end of the middle heating jacket plate is provided with two steam outlet heating jacket plates; one end of the steam outlet heating jacket plate is attached to the end face of the middle heating jacket plate, and the other end is provided with a steam outlet. The inner cavities of the two steam outlet heating jacket plates are both communicated with the inner cavity of the middle heating jacket plate; an annular support partition is arranged inside the middle heating jacket plate, and a steam passing hole is opened at the middle position of the annular support partition.

Description

Technical Field

[0001] The present invention belongs to a heating device for a slant-brace structure tank container, and particularly relates to a heating jacket for a slant-brace structure tank container. Background Art

[0002] Increasing the capacity and reducing the weight of tank containers has become the main direction of market competition. The most effective way to increase the capacity is to increase the diameter and length of the tank body, and the main way to reduce the weight is to optimize the frame structure.

[0003] When some tank containers use a heating jacket for heating, the heating jacket needs to be welded to the tank body. The heating jacket is wrapped around the bottom of the tank body, and the steam inlet, steam outlet, and drain interfaces of the heating jacket are welded to the heating system pipeline. The operation interface of the heating system pipeline is fixed on the slant brace for convenient operations such as steam filling, steam drainage diversion, and condensate recovery. Sulfuric acid tank containers are such tank containers. Sulfuric acid tank containers increase the capacity by increasing the diameter of the tank body, and the frame uses a bottom slant-brace structure without a lower side beam and a middle side beam to reduce the weight, with obvious capacity increase and weight reduction effects. However, the reserved heating jacket at the bottom as the heating device structure has extremely small space, and the layout of the steam inlet, steam outlet, and water outlet paths is severely restricted by the frame slant-brace structure, making it difficult to implement the heating system pipeline design and difficult to ensure uniform heating.

[0004] As Figure 1 shown, it is a heating jacket with the steam inlet 01 and the steam outlet 03 arranged at the side position, and the water outlet 02 arranged at the bottom of the heating jacket. When steam heating is carried out, since steam naturally rises upward, the steam flow rate in the bottom area of the heating jacket is very small, the bottom area is not heated properly, and the steam is easy to flow linearly along the straight line between the two points of the steam inlet 01 and the steam outlet 03. The heating effect on the side of the steam inlet 1 and the steam outlet 3 is obvious, but there will be a situation where less steam flows on the back side, and the overall heating uniformity is poor.

[0005] As Figure 2 shown, it is a heating jacket with the steam inlet 01 arranged at the bottom and the steam outlet 03 arranged at the side. The steam inlet 01 arranged at the bottom has a better steam inlet effect than that at the side, but the steam inlet 1 and the water outlet 02 are restricted by space, and the installation and welding operability are poor. Moreover, the steam inlet direction is along the circumferential support for circumferential steam inlet. The steam inlet volume is large on the side facing the steam inlet, and there is still a situation where less steam flows on the back side, lacking heating on the back side. The steam outlet 03 is arranged at the side, and the steam is easy to flow linearly along the straight line between the steam inlet and the steam outlet, resulting in non-uniform overall heating. Summary of the Invention

[0006] In order to solve the technical problem in the prior art that the heating jacket of a slant-brace structure tank container is affected by the slant-brace structure, and the layout of the steam inlet, steam outlet, and water outlet paths is restricted, resulting in poor heating uniformity, the present invention provides a heating jacket for a slant-brace structure tank container.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A heating jacket for an inclined strut structure tank container, which is characterized in that it includes an arc-shaped middle heating jacket plate;

[0009] On both sides of one end face of the middle heating jacket plate along the axial direction, there is one steam inlet heating jacket plate respectively; one end of the steam inlet heating jacket plate along the axial direction is connected to the end face of the middle heating jacket plate, and they have the same thickness and arc profile. The other end is provided with a steam inlet. The inner cavities of the two steam inlet heating jacket plates are respectively communicated with the inner cavity of the middle heating jacket plate, and there is a circumferential interval between the two steam inlet heating jacket plates;

[0010] On both sides of the other end face of the middle heating jacket plate along the axial direction, there is one steam outlet heating jacket plate respectively; one end of the steam outlet heating jacket plate along the axial direction is connected to the end face of the middle heating jacket plate, and they have the same thickness and arc profile. The other end is provided with a steam outlet. The inner cavities of the two steam outlet heating jacket plates are respectively communicated with the inner cavity of the middle heating jacket plate, and there is a circumferential interval between the two steam outlet heating jacket plates;

[0011] A circular support partition is provided circumferentially in the middle of the middle heating jacket plate. The edge of the circular support partition is connected to the inner wall of the middle heating jacket plate, dividing the inner cavity of the middle heating jacket plate into two cavities. A steam passing hole is provided at the middle position of the circular support partition.

[0012] Furthermore, the steam inlets of the two steam inlet heating jacket plates are communicated through a steam inlet channel, and a steam inlet pipe is connected to the arc-shaped steam inlet channel.

[0013] Furthermore, a steam inlet guiding box is provided between the steam inlet channel and the steam inlet pipe.

[0014] Furthermore, the steam outlets of the two steam outlet heating jacket plates are communicated through an arc-shaped steam outlet channel. A diversion pipe is arranged at the center of the steam outlet channel. The diversion pipe is located between the steam outlet channel and the end face of the middle heating jacket plate, and its end is fixedly connected to the end face of the middle heating jacket plate. An outlet pipe and a water outlet pipe are successively arranged on the diversion pipe along the steam flow direction. The outlet pipe opens upward, and the water outlet pipe opens downward.

[0015] Furthermore, a steam outlet guiding box is provided between the diversion pipe and the outlet pipe.

[0016] Furthermore, the steam inlet pipe is located at the center of the steam inlet channel and is perpendicular to the tangent of the steam inlet channel at this position; the outlet pipe is perpendicular to the diversion pipe. Furthermore, the water outlet pipe sinks by a height of half the pipe diameter relative to the diversion pipe.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. At both sides of one end of the middle heating jacket plate of the present invention, an inlet steam heating jacket plate is provided respectively, which can ensure the equal amount of steam inlet at both sides of the front end. At both sides of the other end, an outlet steam heating jacket plate is provided respectively, which can ensure the equal amount of steam outlet at both sides of the end. Steam enters from both sides in the middle heating jacket plate, flows through the steam passing holes on the middle annular support partition plate, and finally flows out from the outlet steam heating jacket plate. The steam flow direction is more reasonable, the heating is more uniform, the heating effect is better, and the discharge of condensate is also smoother. The overall structure is simple and the manufacturing processability is good.

[0019] 2. The inlet ports of the two inlet steam heating jacket plates of the present invention are connected through an inlet steam channel, which further ensures the uniformity of the steam flowing into the inlet steam heating jacket plates.

[0020] 3. The present invention adds an inlet steam guiding box between the inlet steam channel and the inlet steam pipe, and adds an outlet steam guiding box between the outlet steam channel and the outlet steam pipe, which enlarges the installation and welding space of the inlet steam pipe and the outlet steam pipe, and solves the problems of poor welding operability and poor welding quality.

[0021] 4. The outlet ports of the two outlet steam heating jacket plates of the present invention are connected through an outlet steam channel, which further ensures the uniformity of the steam flowing out of the outlet steam heating jacket plates. The condensate is drained to the outlet water pipe through a diversion pipe, and the accumulated water in the outlet steam pipe can also be drained through the diversion pipe, avoiding the freezing of the pipe wall in a low-temperature environment and causing pipeline blockage.

[0022] 5. The inlet steam pipe and the outlet steam pipe of the present invention are both vertically arranged, which can ensure the equal amount of steam inlet and outlet at both sides.

[0023] 6. The outlet water pipe of the present invention sinks by a height of half of the pipe diameter relative to the diversion pipe, which enlarges the connection space between the outlet water pipe and the diversion pipe, and also makes the drainage of condensate smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of a heating jacket in the background art;

[0025] Figure 2 is a schematic structural diagram of another heating jacket in the background art;

[0026] Figure 1 and Figure 2 in: 01 - inlet port, 02 - outlet port, 03 - outlet steam port.

[0027] Figure 3 is a schematic structural diagram of an embodiment of the heating jacket for an inclined support structure tank container of the present invention;

[0028] Figure 4 is Figure 3 the top view (the arrows in the figure indicate the flow direction of the steam);

[0029] Figure 5 This is the installation schematic diagram of the heating jacket according to the embodiment of the invention for the slant strut structure tank container.

[0030] Figure 3 and Figure 4 In FIGS. and : 1 - middle heating jacket plate, 2 - steam inlet heating jacket plate, 3 - steam outlet heating jacket plate, 4 - annular support partition plate, 5 - steam passing hole, 6 - steam inlet channel, 7 - steam inlet guiding box, 8 - steam inlet pipe, 9 - steam outlet channel, 10 - diversion pipe, 11 - steam outlet guiding box, 12 - water outlet pipe, 13 - steam outlet pipe, 14 - slant strut structure. Specific embodiments

[0031] Next, the technical solution of the present invention will be clearly and completely described in conjunction with the embodiments and drawings of the present invention. Obviously, the described embodiments are not limitations to the present invention.

[0032] By improving the steam flow path design, the present invention makes the steam flow more reasonable, the heating more uniform, the heating efficiency optimized at the same time, and the condensate drainage smoother.

[0033] As Figure 3 and Figure 4 , a heating jacket for a slant strut structure tank container includes an arc-shaped middle heating jacket plate 1. On both sides of one end face of the middle heating jacket plate 1 along the axial direction, there is a steam inlet heating jacket plate 2 each; one end of the steam inlet heating jacket plate 2 along the axial direction is connected to the end face of the middle heating jacket plate 1, with the same thickness and arc profile, and the other end is provided with a steam inlet. The inner cavities of the two steam inlet heating jacket plates 2 are respectively communicated with the inner cavity of the middle heating jacket plate 1, and there is a circumferential interval between the two steam inlet heating jacket plates 2; on both sides of the other end face of the middle heating jacket plate 1 along the axial direction, there is a steam outlet heating jacket plate 3 each; one end of the steam outlet heating jacket plate 3 along the axial direction is connected to the end face of the middle heating jacket plate 1, with the same thickness and arc profile, and the other end is provided with a steam outlet. The inner cavities of the two steam outlet heating jacket plates 3 are respectively communicated with the inner cavity of the middle heating jacket plate 1, and there is a circumferential interval between the two steam outlet heating jacket plates 3; a circumferential annular support partition plate 4 is provided in the middle of the middle heating jacket plate 1, and the edge of the annular support partition plate 4 is connected to the inner wall of the middle heating jacket plate 1, dividing the inner cavity of the middle heating jacket plate 1 into two cavities, and a steam passing hole 5 is opened at the middle position of the annular support partition plate 4.

[0034] The middle heating jacket plate 1, the steam inlet heating jacket plate 2, and the steam outlet heating jacket plate 3 can all be processed by rolling channel steel, that is, arranging the channel steel axially and circumferentially to form the edge of the jacket plate. The steam inlet heating jacket plate 2 and the steam outlet heating jacket plate 3 are respectively connected to the ends of the middle heating jacket plate 1. The two ends of the middle heating jacket plate 1 are respectively communicated with the inner cavities of the steam inlet heating jacket plate 2 and the steam outlet heating jacket plate 3, and together with the steam passing holes opened at the middle position of the annular support partition plate 4, they form a steam passing channel to guide the steam flow direction. Since the channel steel along the axial direction of each jacket plate does not need to be reshaped, a structure of angle steel plus small angle steel supports can be adopted to reduce the self-weight as much as possible. The channel steel along the axial direction and the channel steel along the circumferential direction are connected by fillet supports that can avoid stress concentration. The upper and lower surfaces of the middle heating jacket plate 1, the steam inlet heating jacket plate 2, and the steam outlet heating jacket plate 3 are all spliced and rolled with thin plates, and the overall structure is simple, with excellent economy and processability.

[0035] The steam inlet pipe 8 and the steam outlet pipe 13 respectively increase their installation and welding spaces through the intake air guiding box 7 and the outlet air guiding box 11, improving the operability and welding quality. The steam inlet of the steam inlet channel 6 is arranged at the center of the front end bottom perpendicular to the steam inlet channel 6, which can ensure as much as possible that the same amount of steam enters the steam inlet channels 6 on both sides of the steam inlet pipe 8. After the steam enters, due to the natural upward movement of the hot steam, it enters the inner cavity of the middle heating jacket plate 1 from the connection between the steam inlet heating jacket plate 2 and the middle heating jacket plate 1. The steam passing holes 5 on the annular support partition plate 4 are arranged in the bottom area. After passing through the steam passing holes 5, the steam escapes from both sides of the end of the middle heating jacket plate 1, that is, the connection between the middle heating jacket plate 1 and the steam outlet heating jacket plate 3. The two steam inlet heating jacket plates 2 and the two steam outlet heating jacket plates 3 are symmetrically arranged at both ends of the middle heating jacket plate 1, ensuring as much as possible that the same amount of steam exits on both sides. The general direction of steam flow is as Figure 4 shown by the arrow in the figure, the overall heating is more uniform and the heating efficiency is higher. The steam inlet, steam outlet, and water outlet are on the same side, making the operation more convenient; the water outlet is arranged at the front end of the frame diagonal brace, facilitating drainage and recovery. The water outlet pipe 12 is designed to sink by half the diameter height of the water outlet pipe relative to the diversion pipe 10, enlarging the welding space and making the condensate drainage smoother.

[0036] As Figure 5 shown in the schematic diagram of the diagonal brace installation of the present invention, it can be seen that the heating jacket structure of the present invention is applicable to the diagonal brace structure 14 and is reasonably arranged.

[0037] The above are only embodiments of the present invention, and do not limit the protection scope of the present invention. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A heating jacket for an inclined strut structure tank container, characterized in that: It includes an arcuate middle heating jacket plate (1); On both sides of one end face of the middle heating jacket plate (1) along the axial direction, there is one steam inlet heating jacket plate (2) respectively; one end of the steam inlet heating jacket plate (2) along the axial direction is connected to the end face of the middle heating jacket plate (1), and they have the same thickness and arcuate contour. The other end is provided with a steam inlet. The inner cavities of the two steam inlet heating jacket plates (2) are respectively communicated with the inner cavity of the middle heating jacket plate (1), and there is a circumferential gap between the two steam inlet heating jacket plates (2); On both sides of the other end face of the middle heating jacket plate (1) along the axial direction, there is one steam outlet heating jacket plate (3) respectively; one end of the steam outlet heating jacket plate (3) along the axial direction is connected to the end face of the middle heating jacket plate (1), and they have the same thickness and arcuate contour. The other end is provided with a steam outlet. The inner cavities of the two steam outlet heating jacket plates (3) are respectively communicated with the inner cavity of the middle heating jacket plate (1), and there is a circumferential gap between the two steam outlet heating jacket plates (3); In the middle of the inner cavity of the middle heating jacket plate (1), a circumferential support partition plate (4) is arranged along the circumferential direction. The edge of the circumferential support partition plate (4) is connected to the inner wall of the middle heating jacket plate (1), dividing the inner cavity of the middle heating jacket plate (1) into two cavities. A steam passage hole (5) is opened at the middle position of the circumferential support partition plate (4).

2. The heating jacket for the slant strut structure tank container according to claim 1, characterized in that: The steam inlets of the two steam inlet heating jacket plates (2) are communicated through an arcuate steam inlet passage (6), and a steam inlet pipe (8) is connected to the steam inlet passage (6).

3. The heating jacket for a slant-bracing structure tank container according to claim 2, wherein: A steam inlet guiding box (7) is arranged between the steam inlet passage (6) and the steam inlet pipe (8).

4. The heating jacket for a slant-bracing structure tank container according to claim 1 or 2 or 3, characterized in that: The steam outlets of the two steam outlet heating jacket plates (3) are communicated through an arcuate steam outlet passage (9). A guiding pipe (10) is arranged at the center of the steam outlet passage (9). The guiding pipe (10) is located between the steam outlet passage (9) and the end face of the middle heating jacket plate (1), and its end is fixedly connected to the end face of the middle heating jacket plate (1). Along the steam flow direction, a steam outlet pipe (13) and a water outlet pipe (12) are successively arranged on the guiding pipe (10) at intervals. The steam outlet pipe (13) opens upward, and the water outlet pipe (12) opens downward.

5. The heating jacket for a slant strut structure tank container as described in claim 4, characterized in that: A steam outlet guiding box (11) is arranged between the guiding pipe (10) and the steam outlet pipe (13).

6. The heating jacket for a slant strut structure tank container as claimed in claim 5, wherein: The steam inlet pipe (8) is located at the center of the steam inlet passage (6) and is perpendicular to the tangent of the steam inlet passage (6) at this position; the steam outlet pipe (13) is perpendicular to the guiding pipe (10).

7. The heating jacket for a slant-bracing structure tank container as described in claim 5, wherein: The water outlet pipe (12) sinks by a height of half of the pipe diameter relative to the guiding pipe (10).

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