A new shell-and-tube heat exchanger
By using baffles and support plates in the shell-and-tube heat exchanger to provide multi-point support and limit the cooling tubes, the problem of poor rigidity of the cooling tubes is solved, and the effects of reducing noise, extending the life of the cooling tubes and improving heat exchange efficiency are achieved.
Patent Information
- Application Number
- CN202423196644.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-24
AI Technical Summary
In existing shell-and-tube heat exchangers, the cooling tubes become less rigid after the diameter is reduced, resulting in problems such as high noise and short service life.
The structure adopts a baffle and support plate structure, with cooling pipes passing through each baffle and support plate. The support plate and cooling holes provide multi-point support and limit the cooling pipes. The grid holes ensure the flow of hot mother liquor. Tube plates and connecting plates are provided at both ends of the cylinder to fix the cooling pipes, and stable assembly is achieved by bolt connection.
Reduce cooling tube amplitude, decrease noise, extend cooling tube lifespan, simplify assembly process, reduce transportation and maintenance costs, and improve heat exchange efficiency.
Smart Images
Figure CN223580731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchanger technical field especially relates to a novel column pipe type heat exchanger. BACKGROUND
[0002] Column pipe type heat exchanger is widely used in chemical industry, electric power, petroleum, pharmacy and other industries because of its high efficient heat transfer, wide application range, convenient maintenance and other advantages. Column pipe type heat exchanger has tube pass and shell pass, and cooling liquid flows in the tube pass, and hot mother liquor flows in the shell pass to make the cooling liquid and the hot mother liquor exchange heat.
[0003] In recent years, designers increase the number of heat exchange pipes and reduce the diameter of heat exchange pipes in the design to improve the heat exchange efficiency of heat exchanger.
[0004] But in the production application, it is found that when the heat exchanger works, the rigidity of the cooling pipe is poor due to the reduction of the diameter of the cooling pipe, the cooling pipe vibrates when working, a large noise is formed, and the service life of the cooling pipe is also reduced. INVENTION CONTENTS
[0005] The utility model provides a novel column pipe type heat exchanger to solve the technical problem that the existing column pipe type heat exchanger is loud and the service life of the cooling pipe is short when being used.
[0006] To solve the above problem, the utility model provides a novel column pipe type heat exchanger adopts the following technical scheme:
[0007] A novel column pipe type heat exchanger, comprising a cylinder, a plurality of baffles arranged in the cylinder and a plurality of cooling pipes penetrating through the baffles, the axial direction of the cylinder is defined as the left-right direction; the baffle is a circular plate and comprises a lattice part and a pipe hole part arranged in sequence in the up-down direction, a plurality of lattice holes extending in the up-down direction are arranged on the lattice part, the lattice hole is matched with the size of the cooling pipe in the horizontal direction, a plurality of cooling holes matched with the cooling pipe are arranged on the pipe hole part, the area of the lattice part is less than the area of the pipe hole part, and the lattice part of one of any two adjacent baffles is arranged above, and the lattice part of the other baffle is arranged below; a support plate is further arranged in the cylinder, one support plate is arranged between any two adjacent baffles, a plurality of support holes extending in the horizontal direction are arranged on the support plate, and the support hole is matched with the size of the cooling pipe in the up-down direction.
[0008] The beneficial effect is that the novel tube heat exchanger can support and limit the cooling pipe at multiple points, increase the fulcrum of the cooling pipe, reduce the equivalent length of the cooling pipe under pressure instability, thereby reducing the amplitude of the cooling pipe, reducing noise, and further improving the service life of the cooling pipe.
[0009] Further, the left end of the cylinder is provided with a left pipe box, the first inlet is formed in the left pipe box, the right end of the cylinder is provided with a right pipe box, and the first outlet is formed in the right pipe box.
[0010] The beneficial effect is that the structure is simple, the left pipe box is connected with the left ends of the cooling pipes, the right pipe box is connected with the right ends of the cooling pipes, so that the left pipe box can simultaneously supply cooling liquid to the multiple cooling pipes, and the right pipe box can simultaneously collect the cooling liquid discharged from the cooling pipes, thereby facilitating the circulation of the cooling liquid.
[0011] Further, the left and right ends of the cylinder are also provided with pipe plates, the pipe plates are provided with perforations matched with the cooling pipes, and the two ends of the cooling pipes are arranged in the corresponding perforations of the two pipe plates and communicate with the left pipe box and the right pipe box.
[0012] The beneficial effect is that the left and right ends of the cooling pipes can be fixed and supported, and the cooling liquid and the hot mother liquor are separated in the cooling pipes.
[0013] Further, the pipe plates are welded on the cylinder.
[0014] The beneficial effect is that the connection is stable, the pipe plates and the cylinder are connected, better air tightness and water resistance are achieved, the sealing effect of the connection position is ensured, the cooling liquid or the hot mother liquor is prevented from leaking, the welding is lighter than riveting, casting and forging, the self weight can be reduced, the transportation cost is reduced, and the economic and high-quality effect is achieved.
[0015] Further, the left pipe box and the right pipe box can be detachably connected to the cylinder.
[0016] The beneficial effect is that the left pipe box or the right pipe box damaged or worn can be conveniently disassembled and replaced, the entire heat exchanger does not need to be replaced, the detachable connection can split the large equipment or machine into smaller parts for transportation, so that the transportation difficulty and cost are reduced.
[0017] Further, the left and right ends of the cylinder are provided with first connecting plates, the first connecting plates are provided with a plurality of first connecting holes, the left pipe box and the right pipe box are provided with annular second connecting plates, the second connecting plates are provided with a plurality of second connecting holes, the first connecting holes and the second connecting holes are arranged one by one in a corresponding manner, and the corresponding first connecting holes and the second connecting holes are connected together through bolts.
[0018] Beneficial effect: reduce the difficulty of assembly, improve the assembly efficiency, the assembly process is more simple and fast.
[0019] Further, the grid parts of the baffle plates at the leftmost and rightmost sides are all at the upper side.
[0020] Beneficial effect: when the hot mother liquor passes between the grid holes, a certain amount of turbulence is formed, improving the heat exchange efficiency.
[0021] Further, the baffle plates are arranged at equal intervals along the left-right direction.
[0022] Beneficial effect: the hot mother liquor flows stably and jumps between the baffle plates, improving the heat exchange efficiency and ensuring the heat exchange effect.
[0023] Further, the support plates are arranged at equal intervals along the left-right direction.
[0024] Beneficial effect: uniform support and stable installation. BRIEF DESCRIPTION OF DRAWINGS
[0025] The above and other objects, features and advantages of the present application will become easily understandable by reading the detailed description of the exemplary embodiments of the present application with reference to the attached drawings. In the drawings, several embodiments of the present application are illustrated by way of example and not limitation, and the same or corresponding reference numbers indicate the same or corresponding parts, in which:
[0026] Figure 1 Fig. 1 is a structural schematic view of a novel tube-bank heat exchanger according to the present application;
[0027] Figure 2 Fig. 2 is an enlarged schematic view of the A part in Fig. 1; Figure 1
[0028] Figure 3 Fig. 4 is an installation schematic view of the baffle plate according to the present application; Figure 1
[0029] Figure 4 Fig. 5 is an installation schematic view of the baffle plate according to the present application; Figure 2
[0030] Figure 5 Fig. 6 is a structural schematic view of the support plate according to the present application.
[0031] BRIEF DESCRIPTION OF DRAWINGS
[0032] 1, cylinder; 2, baffle; 3, cooling pipe; 4, support plate; 5, grid part; 6, pipe hole part; 7, grid hole; 8, cooling hole; 9, support hole; 10, left pipe box; 11, first inlet; 12, right pipe box; 13, first outlet; 14, tube plate; 15, bolt; 16, first connecting plate; 17, second connecting plate; 18, second inlet; 19, second outlet. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be known by those skilled in the art that the embodiments described below are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0034] Any number of elements in the drawings is used for example and not limitation, and any naming is only used for distinction and does not have any limiting meaning.
[0035] The principles and spirits of the present application will be explained in detail below with reference to several representative embodiments of the present application.
[0036] Embodiment 1 of a novel tube heat exchanger provided by the present application:
[0037] As shown in Figures 1 to 5 A novel tube heat exchanger of the present application comprises a cylinder 1, a baffle 2, a cooling pipe 3 and a support plate 4.
[0038] The axis of the cylinder 1 is defined as the left-right direction. As shown in Figure 1 And Figure 2 The left and right ends of the cylinder 1 are each provided with a first connecting plate 16, and a plurality of first connecting holes are formed in the first connecting plate 16. The left and right ends of the cylinder 1 are also each provided with a tube plate 14, the tube plate 14 is welded on the cylinder 1 and a plurality of through holes are formed in the tube plate 14, and each through hole in the two tube plates 14 is coaxially arranged one by one.
[0039] The left end of the cylinder 1 is provided with a left pipe box 10, the left end of the left pipe box 10 is provided with a first inlet 11, the right end of the cylinder 1 is provided with a right pipe box 12, the right end of the right pipe box 12 is provided with a first outlet 13, the first inlet 11 is used to transport cooling liquid into the cylinder 1, and the first outlet 13 is used to transport the heat-exchanged cooling liquid out. The lower left end of the cylinder 1 is provided with a second inlet 18, and the lower right end of the cylinder 1 is provided with a second outlet 19.
[0040] Both the left tube box 10 and the right tube box 12 are provided with annular second connecting plates 17. Multiple second connecting holes are provided on the second connecting plates 17. The first connecting holes and the second connecting holes are set one-to-one, and the corresponding first connecting holes and the second connecting holes are detachably connected together by bolts 15.
[0041] Multiple cooling pipes 3 are provided, and both ends of each cooling pipe 3 are fixed in two corresponding through holes. The cooling pipes 3 connect the left pipe box 10 and the right pipe box 12.
[0042] Multiple baffles 2 are provided, and each baffle 2 is arranged at intervals in the left and right direction inside the cylinder 1.
[0043] The baffle plate 2 is a circular plate and includes a grille section 5 and a pipe hole section 6 arranged sequentially in the vertical direction. The grille section 5 has multiple grille holes 7 extending in the vertical direction, and the grille holes 7 are adapted to the size of the cooling pipe 3 in the horizontal direction. The pipe hole section 6 has multiple cooling holes 8 adapted to the cooling pipe 3, and the area of the grille section 5 is smaller than the area of the pipe hole section 6. Figure 3 and Figure 4 As shown, the grille portion 5 of one of any two adjacent deflectors 2 is located on top, and the grille portion 5 of the other deflector 2 is located on the bottom.
[0044] The grille section 5 of the deflector 2, which is located on the far left and far right, is at the top.
[0045] like Figure 1 and Figure 5 As shown, there are multiple support plates 4, and each support plate 4 and each baffle plate 2 are arranged alternately. Figure 4 As shown, the support plate 4 is provided with a plurality of support holes 9 that extend horizontally, and the support holes 9 are adapted to the size of the cooling pipe 3 in the vertical direction.
[0046] In use, the novel shell-and-tube heat exchanger of this utility model first delivers coolant to the first inlet 11. After the coolant fills the left tube box 10, it enters the cooling tube 3 and is delivered from left to right along the cooling tube 3. At the same time, hot mother liquor is delivered to the second inlet 18. The hot mother liquor enters the chamber inside the cylinder 1 and first fills upwards and is delivered to the right along the upper grid section 5 of the leftmost baffle 2. Then it continues to be delivered to the right along the lower grid section 5 of the next baffle 2, thereby realizing the heat exchange between the hot mother liquor and the coolant.
[0047] This novel shell-and-tube heat exchanger provides multi-point support and restraint for the cooling tube 3 during use, increasing the number of support points for the cooling tube 3, reducing the equivalent length of the cooling tube 3 under pressure instability, thereby reducing the amplitude of the cooling tube 3, reducing noise, and thus improving the service life of the cooling tube 3.
[0048] The utility model provides an embodiment 2 of a novel tube -in -tube heat exchanger:
[0049] The difference between the embodiment and the embodiment 1 mainly is:
[0050] In the embodiment 1, the left end of the cylinder is equipped with the left pipe box, the first import is opened in the left pipe box, the right end of the cylinder is equipped with the right pipe box, and the first export is opened in the right pipe box.
[0051] In the embodiment, the left pipe box and the right pipe box are not set, and the left end of the cooling pipe is directly connected with the cooling liquid, and the right end of the cooling pipe is connected with the collecting device of the used cooling liquid.
[0052] The utility model provides an embodiment 3 of a novel tube -in -tube heat exchanger:
[0053] The difference between the embodiment and the embodiment 1 mainly is:
[0054] In the embodiment 1, the lower side of the left end of the cylinder is equipped with the second import, and the lower side of the right end of the cylinder is equipped with the second export.
[0055] In the embodiment, the upper side of the left end of the cylinder is equipped with the second import.
[0056] According to the above description of the specification, those skilled in the art can also understand that the terms used, such as "up", "down", "front", "back", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer" and other terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings of the specification, and are only for the purpose of facilitating the description of the scheme of the utility model and simplifying the description, and do not explicitly or implicitly indicate or suggest that the devices or elements involved must have the specified orientation, be constructed and operated in a specified orientation, therefore the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the scheme of the utility model.
[0057] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above with the preferred embodiment, however, it is not intended to limit the utility model, any skilled person in the art can make some changes or modifications to the equivalent embodiments with the disclosed method and technical content without departing from the scope of the technical scheme of the utility model, as long as it does not depart from the content of the technical scheme of the utility model, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model still belongs to the scope of the technical scheme of the utility model.
[0058] In addition, in the description of the specification, the meaning of "a plurality of" is at least two, for example, two, three or more, etc., unless otherwise specifically limited.
Claims
1. A novel shell-and-tube heat exchanger, comprising a cylindrical body, multiple baffles disposed within the cylindrical body, and multiple cooling tubes penetrating each baffle, characterized in that, Define the axial direction of the cylinder as the left-right direction; The baffle is a circular plate and includes a grid section and a pipe hole section arranged sequentially in the vertical direction. The grid section has multiple grid holes extending in the vertical direction. The grid holes are adapted to the size of the cooling pipe in the horizontal direction. The pipe hole section has multiple cooling holes adapted to the cooling pipe. The area of the grid section is smaller than the area of the pipe hole section. In any two adjacent baffles, the grid section of one baffle is located on the upper side, and the grid section of the other baffle is located on the lower side. The cylinder is also equipped with a support plate. A support plate is provided between any two adjacent baffles. The support plate has multiple support holes that extend horizontally and are adapted to the size of the cooling pipe in the vertical direction.
2. The novel shell-and-tube heat exchanger according to claim 1, characterized in that, The left end of the cylinder is provided with a left tube box, on which the first inlet is opened; the right end of the cylinder is provided with a right tube box, on which the first outlet is opened.
3. A novel shell-and-tube heat exchanger according to claim 2, characterized in that, Both ends of the cylinder are equipped with tube sheets, and the tube sheets have perforations that are compatible with the cooling pipes. The two ends of the cooling pipes are respectively located in the corresponding perforations on the two tube sheets and are connected to the left tube box and the right tube box.
4. A novel shell-and-tube heat exchanger according to claim 3, characterized in that, The tube sheet is welded onto the cylinder.
5. A novel shell-and-tube heat exchanger according to claim 4, characterized in that, Both the left and right tube boxes can be detachably connected to the cylinder.
6. A novel shell-and-tube heat exchanger according to claim 5, characterized in that, Both the left and right ends of the cylinder are provided with first connecting plates, and multiple first connecting holes are opened on the first connecting plates. Both the left and right tube boxes are provided with annular second connecting plates, and multiple second connecting holes are opened on the second connecting plates. The first connecting holes and the second connecting holes are set one-to-one, and the corresponding first connecting holes and second connecting holes are connected together by bolts.
7. A novel shell-and-tube heat exchanger according to any one of claims 1-3, characterized in that, A second inlet is located at the lower left end of the cylinder, and a second outlet is located at the lower right end of the cylinder.
8. A novel shell-and-tube heat exchanger according to claim 7, characterized in that, The grille sections of the deflectors on the far left and far right are both located at the top.
9. A novel shell-and-tube heat exchanger according to any one of claims 1-3, characterized in that, Each baffle is arranged at equal intervals along the left and right directions.
10. A novel shell-and-tube heat exchanger according to any one of claims 1-3, characterized in that, Each support plate is arranged at equal intervals along the left and right directions.