Two-stage vertical oil-cooling after-cooling suite

Abstract

The utility model belongs to the technical field of heat exchangers, and discloses a two-stage vertical oil-cooling and after-cooling external member which comprises an oil cooling device and an after-cooling device, the oil cooling device and the after-cooling device are both arranged vertically, the oil cooling device is provided with a first vertical connecting assembly, and the after-cooling device is provided with a second vertical connecting assembly. The oil cooling device and the after-cooling device are connected through a pipeline or a valve or a pipeline and a valve, the oil cooling device is connected with high-temperature oil and discharges the high-temperature oil subjected to primary cooling, the oil cooling device performs primary cooling in a water cooling mode, and the after-cooling device is connected with the high-temperature oil subjected to primary cooling and discharges the high-temperature oil subjected to secondary cooling. And the after-cooling device performs secondary cooling in an air cooling manner. The oil cooling device and the after-cooling device are vertically arranged and matched, the two-stage cooling design is adopted, water cooling and air cooling are simultaneously applied, the better cooling effect of high-temperature oil is ensured, the vertical structural design is adopted, the occupied area is reduced, and the space utilization rate is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, and more specifically, relates to a double-stage vertical oil cooler and aftercooler kit. Background Art

[0002] With the rapid development of industrial technologies, especially in industries such as petrochemical, power, and metallurgy, the operation of high-temperature and high-power equipment has become increasingly common, and the requirements for cooling systems have also become increasingly strict. In these application fields, the working quality and efficiency of cooling devices directly affect the stability and safety of the entire system.

[0003] Although there are already some cooling devices on the market, there are still some disadvantages in actual applications: First, low cooling efficiency: Traditional cooling devices generally adopt a single cooling method, such as air cooling or water cooling, and their cooling efficiency is relatively low, unable to meet the cooling requirements of high-temperature and high-power equipment; Second, large floor area: Some cooling devices have a large floor area due to design reasons, which not only increases the installation and maintenance costs of the equipment, but also affects the layout and production efficiency of the factory; Third, difficult maintenance: Some cooling devices do not fully consider the convenience of maintenance during the design and manufacturing process, resulting in difficult maintenance during actual use, increasing the maintenance cost and time.

[0004] Therefore, the utility model provides a double-stage vertical oil cooler and aftercooler kit. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a double-stage vertical oil cooler and aftercooler kit to solve the problems raised in the above background art.

[0006] The purpose of the utility model can be achieved by the following technical solutions:

[0007] A double-stage vertical oil cooler and aftercooler kit includes an oil cooler and an aftercooler. Both the oil cooler and the aftercooler are placed vertically. The oil cooler is provided with a first vertical connection component, and the aftercooler is provided with a second vertical connection component. The oil cooler and the aftercooler are connected by pipelines or valves or both pipelines and valves. The oil cooler receives high-temperature oil and discharges the once-cooled high-temperature oil. The oil cooler uses water cooling for the first-stage cooling. The aftercooler receives the once-cooled high-temperature oil and discharges the twice-cooled high-temperature oil. The aftercooler uses cooling gas for the second-stage cooling.

[0008] As a further preferred technical solution of the present utility model, the oil cooling device is provided with an oil cooling heat exchange assembly. The first vertical connection assembly includes a pair of vertical connectors, and the pair of vertical connectors are respectively welded to the lower left side and the lower right side of the oil cooling heat exchange assembly. The oil cooling device is screwed to the vertical bracket through the first vertical connection assembly to realize the vertical placement of the oil cooling device.

[0009] As a further preferred technical solution of the present utility model, the oil cooling heat exchange assembly includes an oil cooling heat exchange shell. A first heat exchange tube bank is arranged inside the oil cooling heat exchange shell. First fixing tube plates for fixing the first heat exchange tube bank to the upper end and the lower end of the oil cooling heat exchange shell are respectively arranged at both ends of the first heat exchange tube bank. The first fixing tube plate at the lower end of the oil cooling heat exchange shell is connected to an oil cooling water inlet end cover, and the first fixing tube plate at the upper end of the oil cooling heat exchange shell is connected to an oil cooling water outlet end cover. An inlet is arranged at the lower end of the oil cooling water inlet end cover, and an outlet is arranged at the upper end of the oil cooling water outlet end cover. A first high-temperature oil inlet and a first high-temperature oil outlet communicating with the inside of the oil cooling heat exchange shell are arranged on the front side of the oil cooling heat exchange shell. A plurality of baffles distributed in a staggered manner are arranged on the first heat exchange tube bank inside the oil cooling heat exchange shell. Cavities respectively formed between the oil cooling water inlet end cover and the first fixing tube plate at the lower end of the oil cooling heat exchange shell and between the oil cooling water outlet end cover and the first fixing tube plate at the upper end of the oil cooling heat exchange shell communicate with both ends of the first heat exchange tube bank respectively.

[0010] As a further preferred technical solution of the present utility model, circular flange ends are arranged at both the upper end and the lower end of the oil cooling heat exchange shell. A plurality of groups of screw holes distributed in a circumferential array are opened on the flange ends of the oil cooling heat exchange shell. Circular flange parts are arranged at both the first high-temperature oil inlet and the first high-temperature oil outlet. A plurality of groups of screw holes distributed in a circumferential array are opened on the flange parts of the first high-temperature oil inlet and the first high-temperature oil outlet. The first high-temperature oil inlet and the first high-temperature oil outlet are respectively screwed to external pipelines or valves through their flange parts;

[0011] A plurality of groups of fixing round holes for fixing the first heat exchange tube bank are opened in the center of the first fixing tube plate, and a plurality of groups of screw holes distributed in a circumferential array are opened along the outer contour circumference of the first fixing tube plate;

[0012] Lifting lugs are arranged on the oil cooling water outlet end cover. Circular flange ends are arranged at the upper end of the oil cooling water inlet end cover and the lower end of the oil cooling water outlet end cover. A plurality of groups of screw holes distributed in a circumferential array are opened on the flange ends of the oil cooling water inlet end cover and the oil cooling water outlet end cover. Circular flange parts are arranged at the lower end of the inlet and the upper end of the outlet. A plurality of groups of screw holes distributed in a circumferential array are opened on the flange parts of the inlet and the outlet. The outlet and the inlet are respectively screwed to external pipelines or valves through their flange parts;

[0013] The oil-cooled heat exchange shell, the first fixed tube sheet, the oil-cooled water inlet end cover, and the oil-cooled water outlet end cover are screwed together through the screw holes at the flange end of the oil-cooled heat exchange shell, the screw holes of the first fixed tube sheet, the screw holes at the flange end of the oil-cooled water inlet end cover, the screw holes at the flange end of the oil-cooled water outlet end cover, studs, and nuts.

[0014] As a further preferred technical solution of the present invention, the after-cooling device is provided with an after-cooling heat exchange assembly. The second vertical connection assembly includes a pair of vertical connectors, and the pair of vertical connectors are respectively welded to the lower left and lower right of the after-cooling heat exchange assembly. The after-cooling device is screwed to the vertical support through the second vertical connection assembly to achieve the vertical placement of the oil-cooling device.

[0015] As a further preferred technical solution of the present invention, the after-cooling heat exchange assembly includes an after-cooling heat exchange shell. The after-cooling heat exchange shell is provided with a second heat exchange tube bank inside. The second heat exchange tube bank is in a "U" shape. The lower end of the after-cooling heat exchange shell is provided with a second fixed tube sheet, and both ends of the second heat exchange tube bank are fixed to the second fixed tube sheet. The upper end of the after-cooling heat exchange shell is provided with a third fixed tube sheet. The second fixed tube sheet is connected to the after-cooling inlet and outlet end cover, and the third fixed tube sheet is connected to the after-cooling closed end cover. The lower end of the after-cooling inlet and outlet end cover is provided with an air inlet and an air outlet. The front side of the after-cooling heat exchange shell is provided with a second high-temperature oil inlet communicating with the inside of the after-cooling heat exchange shell. The right side of the after-cooling heat exchange shell is provided with a second high-temperature oil outlet communicating with the inside of the after-cooling heat exchange shell. A plurality of baffles are arranged at staggered positions on the first heat exchange tube bank in the after-cooling heat exchange shell. The inner cavity of the after-cooling inlet and outlet end cover is provided with a partition plate, and the inner cavity of the after-cooling inlet and outlet end cover is separated into an air outlet chamber and an air inlet chamber by the partition plate. The air inlet is communicated with the air inlet chamber, the air outlet is communicated with the air outlet chamber, and the air outlet chamber and the air inlet chamber are respectively communicated with both ends of the second heat exchange tube bank.

[0016] As a further preferred technical solution of the present invention, both the upper end and the lower end of the after-cooling heat exchange shell are provided with circular flange ends. A plurality of groups of screw holes are arranged in a circumferential array on the flange ends of the after-cooling heat exchange shell. Both the second high-temperature oil inlet and the second high-temperature oil outlet are provided with circular flange parts. A plurality of groups of screw holes are arranged in a circumferential array on the flange parts of the second high-temperature oil inlet and the second high-temperature oil outlet. Both the second high-temperature oil inlet and the second high-temperature oil outlet are screwed to external pipelines or valves through their flange parts;

[0017] The center of the second fixed tube sheet is provided with a plurality of groups of fixing round holes for fixing the second heat exchange tube bank. The second fixed tube sheet is provided with a plurality of groups of screw holes arranged in a circumferential array along the outer contour. The third fixed tube sheet is in a circular shape, and the third fixed tube sheet is provided with a plurality of groups of screw holes arranged in a circumferential array along the outer contour;

[0018] The rear cooling closed end cover is provided with a lifting lug, the upper end of the rear cooling inlet and outlet end cover and the lower end of the rear cooling closed end cover are both provided with an annular flange end, and the flange ends of the rear cooling inlet and outlet end cover and the rear cooling closed end cover are both provided with a plurality of groups of screw holes distributed in a circumferential array;

[0019] The after-cooling heat exchange tube shell, the second fixed tube sheet, the third fixed tube sheet, the after-cooling inlet and outlet end cover and the after-cooling closed end cover are screwed together through the screw holes at the flange end of the after-cooling heat exchange tube shell, the screw holes at the second fixed tube sheet, the screw holes at the third fixed tube sheet, the screw holes at the flange end of the after-cooling inlet and outlet end cover, the screw holes at the flange end of the after-cooling closed end cover, studs and nuts.

[0020] As a further preferred technical solution of the present utility model, the cross-section of the vertical connecting piece is in the shape of a "凵" character, and the vertical connection is divided into a first connecting plate portion, a second connecting plate portion and a bottom plate portion, and the front and rear sides of the bottom plate portion are respectively connected to the first connecting plate portion and the second connecting plate portion, and the bottom plate portion, the first connecting plate portion and the second connecting plate portion are all provided with circular holes for screwing with the vertical bracket, and nuts are welded on the circular holes.

[0021] As a further preferred technical solution of the utility model, the first heat exchange tube and the second heat exchange tube are both composed of a plurality of groups of heat exchange tube arrays, and the heat exchange tubes are made of SUS304 material;

[0022] A nameplate seat is welded at the front center of the oil-cooling heat exchange tube shell and the after-cooling heat exchange tube shell, and a stainless steel nameplate is riveted on the nameplate seat.

[0023] As a further preferred technical solution of the utility model, when the oil-cooled heat exchange tube shell, the first fixed tube sheet, the oil-cooled water inlet end cover and the oil-cooled water outlet end cover are screwed together, sealing gaskets are provided between the two components;

[0024] When the after-cooling heat exchange tube shell, the second fixed tube sheet, the third fixed tube sheet, the after-cooling inlet and outlet end cover and the after-cooling closing end cover are screwed together, sealing gaskets are arranged between the two components.

[0025] As described above, the two-stage vertical oil-cooling and aftercooling kit provided by the utility model has the following beneficial effects:

[0026] Compared with the prior art, the utility model utilizes the above-mentioned double-stage vertical oil cooler and aftercooler kit. Due to such a structure, through the vertical placement and cooperation of the oil cooling device and the aftercooling device, a double-stage cooling design is adopted, and water cooling and air cooling are applied simultaneously to ensure a better cooling effect for high-temperature oil. Moreover, with the vertical structure design, not only the floor area is reduced and the space utilization rate is improved, but also the high-temperature oil flows in from the bottom and flows out from the top, making it more fully contact with the cooling medium, i.e., cooling water or cooling gas, and conduct heat exchange, thereby improving the heat exchange efficiency.

[0027] Additional aspects and advantages of the utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0029] Figure 1 Structural schematic diagram of a double-stage vertical oil cooler and aftercooler kit for the application of the utility model;

[0030] Figure 2 Structural schematic diagram of the oil cooling device of a double-stage vertical oil cooler and aftercooler kit for the application of the utility model;

[0031] Figure 3 Top view of the oil cooling device of a double-stage vertical oil cooler and aftercooler kit for the application of the utility model;

[0032] Figure 4 For Figure 3 Cross-sectional view in the A-A direction in

[0033] Figure 5 Structural schematic diagram of the aftercooling device of a double-stage vertical oil cooler and aftercooler kit for the application of the utility model;

[0034] Figure 6 Top view of the aftercooling device of a double-stage vertical oil cooler and aftercooler kit for the application of the utility model;

[0035] Figure 7 For Figure 6 Cross-sectional view in the B-B direction in

[0036] Summary of reference numerals and their descriptions:

[0037] 100, Oil cooling device; 110, Oil cooling heat exchange component; 111, Oil cooling heat exchange shell; 112, First heat exchange tube bundle; 113, First fixed tube sheet; 114, Oil cooling water inlet end cover; 115, Oil cooling water outlet end cover; 116, First high-temperature oil inlet; 117, First high-temperature oil outlet; 120, First vertical connection component; 200, After-cooling device; 210, After-cooling heat exchange component; 211, After-cooling heat exchange shell; 212, Second heat exchange tube bundle; 213, Second fixed tube sheet; 214, Third fixed tube sheet; 215, After-cooling inlet and outlet end cover; 216, After-cooling closed end cover; 217, Second high-temperature oil inlet; 218, Second high-temperature oil outlet; 220, Second vertical connection component; 300, Vertical connection piece; 400, Baffle plate; 500, Gasket. Detailed implementation manners

[0038] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0039] It should be noted that the structures, ratios, sizes, etc. shown in the attached drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical essential meanings. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of narration and understanding, and are not used to limit the scope for the implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope for the implementation of the present utility model. The specific structure can be described with reference to the attached drawings of the patent application.

[0040] The present utility model provides a double-stage vertical oil cooling and after-cooling kit. Please refer to Figures 1 to 7 As shown, it includes an oil cooling device 100 and an after-cooling device 200. Both the oil cooling device 100 and the after-cooling device 200 are placed vertically. The oil cooling device 100 is provided with a first vertical connection component 120, and the after-cooling device 200 is provided with a second vertical connection component 220. The oil cooling device 100 and the after-cooling device 200 are connected through pipelines or valves or both pipelines and valves. The oil cooling device 100 receives high-temperature oil and discharges the once-cooled high-temperature oil. The oil cooling device 100 uses the water cooling method for the first-stage cooling. The after-cooling device 200 receives the once-cooled high-temperature oil and discharges the twice-cooled high-temperature oil. The after-cooling device 200 uses the cooling gas method for the second-stage cooling.

[0041] It should be noted that: through the vertical placement and cooperation of the oil cooling device 100 and the post-cooling device 200, a two-stage cooling design is adopted, and water cooling and air cooling are applied simultaneously to ensure a better temperature reduction effect for high-temperature oil. Moreover, with a vertical structure design, not only the floor area is reduced and the space utilization rate is improved, but also the high-temperature oil flows in from the bottom and out from the top, making it more fully contact with the cooling medium: cooling water or cooling gas, and conducting heat exchange, thereby improving the heat exchange efficiency.

[0042] Specifically, the specific structure of the oil cooling device 100 is as follows. In combination with Figure 1 and Figure 2 as shown, the oil cooling device 100 is provided with an oil cooling heat exchange assembly 110. The first vertical connection assembly 120 includes a pair of vertical connectors 300. The pair of vertical connectors 300 are respectively welded to the lower left side and the lower right side of the oil cooling heat exchange assembly 110. The oil cooling device 100 is screwed to a vertical bracket through the first vertical connection assembly 120 to achieve the vertical placement of the oil cooling device 100.

[0043] Specifically, the specific structure of the oil cooling heat exchange assembly 110 is as follows. In combination with Figure 2 、 Figure 3 and Figure 4 as shown, the oil cooling heat exchange assembly 110 includes an oil cooling heat exchange shell 111. The oil cooling heat exchange shell 111 is internally provided with a first heat exchange tube bank 112. Both ends of the first heat exchange tube bank 112 are respectively provided with first fixed tube plates 113 for fixing the first heat exchange tube bank 112 to the upper end and the lower end of the oil cooling heat exchange shell 111. The first fixed tube plate 113 at the lower end of the oil cooling heat exchange shell 111 is connected to an oil cooling water inlet end cover 114, and the first fixed tube plate 113 at the upper end of the oil cooling heat exchange shell 111 is connected to an oil cooling water outlet end cover 115. The lower end of the oil cooling water inlet end cover 114 is provided with a water inlet, and the upper end of the oil cooling water outlet end cover 115 is provided with a water outlet. The front side of the oil cooling heat exchange shell 111 is provided with a first high-temperature oil inlet 116 and a first high-temperature oil outlet 117 that are communicated with the inside of the oil cooling heat exchange shell 111. A plurality of baffles 400 are arranged in a staggered manner on the first heat exchange tube bank 112 inside the oil cooling heat exchange shell 111. The cavities respectively formed between the oil cooling water inlet end cover 114 and the first fixed tube plate 113 at the lower end of the oil cooling heat exchange shell 111 and between the oil cooling water outlet end cover 115 and the first fixed tube plate 113 at the upper end of the oil cooling heat exchange shell 111 are respectively communicated with both ends of the first heat exchange tube bank 112;

[0044] The upper and lower ends of the oil-cooled heat exchange shell 111 are both provided with circular flange ends. A number of groups of screw holes are arranged in a circumferential array on the flange ends of the oil-cooled heat exchange shell 111. The first high-temperature oil inlet 116 and the first high-temperature oil outlet 117 are both provided with circular flange parts. A number of groups of screw holes are arranged in a circumferential array on the flange parts of the first high-temperature oil inlet 116 and the first high-temperature oil outlet 117. The first high-temperature oil inlet 116 and the first high-temperature oil outlet 117 are both screwed to external pipelines or valves through their flange parts;

[0045] A number of groups of fixing round holes for fixing the first heat exchange tubes 112 are arranged in the center of the first fixing tube plate 113. A number of groups of screw holes are arranged in a circumferential array along the outer circumference of the first fixing tube plate 113;

[0046] Lifting lugs are arranged on the oil-cooled water outlet end cover 115. The lifting lugs of the oil-cooled water outlet end cover 115 are used for hoisting the oil-cooling device 100. The upper end of the oil-cooled water inlet end cover 114 and the lower end of the oil-cooled water outlet end cover 115 are both provided with circular flange ends. A number of groups of screw holes are arranged in a circumferential array on the flange ends of the oil-cooled water inlet end cover 114 and the oil-cooled water outlet end cover 115. The lower end of the water inlet and the upper end of the water outlet are both provided with circular flange parts. A number of groups of screw holes are arranged in a circumferential array on the flange parts of the water inlet and the water outlet. The water outlet and the water inlet are respectively screwed to external pipelines or valves through their flange parts;

[0047] The oil-cooled heat exchange shell 111, the first fixing tube plate 113, the oil-cooled water inlet end cover 114 and the oil-cooled water outlet end cover 115 are screwed together through the screw holes in the flange ends of the oil-cooled heat exchange shell 111, the screw holes in the first fixing tube plate 113, the screw holes in the flange ends of the oil-cooled water inlet end cover 114, the screw holes in the flange ends of the oil-cooled water outlet end cover 115, studs and nuts.

[0048] Specifically, the specific structure of the post-cooling device 200 is as follows. Combining Figure 1 and Figure 5 As shown, the post-cooling device 200 is provided with a post-cooling heat exchange assembly 210. The second vertical connection assembly 220 includes a pair of vertical connectors 300. The pair of vertical connectors 300 are respectively welded to the lower left side and the lower right side of the post-cooling heat exchange assembly 210. The post-cooling device 200 is screwed to a vertical bracket through the second vertical connection assembly 220 to realize the vertical placement of the oil-cooling device 100.

[0049] Specifically, the specific structure of the post-cooling heat exchange assembly 210 is as follows. Combining Figure 5 、 Figure 6 and Figure 7As shown, the post-cooling heat exchange assembly 210 includes a post-cooling heat exchange shell 211. A second heat exchange tube bank 212 is provided inside the post-cooling heat exchange shell 211. The second heat exchange tube bank 212 is in a "U" shape. A second fixed tube sheet 213 is provided at the lower end of the post-cooling heat exchange shell 211. Both ends of the second heat exchange tube bank 212 are fixed to the second fixed tube sheet 213. A third fixed tube sheet 214 is provided at the upper end of the post-cooling heat exchange shell 211. The second fixed tube sheet 213 is connected to the post-cooling inlet and outlet end cover 215. The third fixed tube sheet 214 is connected to the post-cooling closed end cover 216. An air inlet and an air outlet are provided at the lower end of the post-cooling inlet and outlet end cover 215. A second high-temperature oil inlet 217 communicating with the inside of the post-cooling heat exchange shell 211 is provided on the front side of the post-cooling heat exchange shell 211. A second high-temperature oil outlet 218 communicating with the inside of the post-cooling heat exchange shell 211 is provided on the right side of the post-cooling heat exchange shell 211. A plurality of baffles 400 distributed in a staggered manner are provided on the first heat exchange tube bank 112 inside the post-cooling heat exchange shell 211. A partition is provided in the inner cavity of the post-cooling inlet and outlet end cover 215, and the inner cavity of the post-cooling inlet and outlet end cover 215 is separated into an air outlet chamber and an air inlet chamber by the partition. The air inlet communicates with the air inlet chamber, the air outlet communicates with the air outlet chamber, and the air outlet chamber and the air inlet chamber respectively communicate with both ends of the second heat exchange tube bank 212;

[0050] Both the upper end and the lower end of the post-cooling heat exchange shell 211 are provided with circular flange ends. A number of groups of screw holes distributed in a circumferential array are provided on the flange ends of the post-cooling heat exchange shell 211. Both the second high-temperature oil inlet 217 and the second high-temperature oil outlet 218 are provided with circular flange parts. A number of groups of screw holes distributed in a circumferential array are provided on the flange parts of the second high-temperature oil inlet 217 and the second high-temperature oil outlet 218. Both the second high-temperature oil inlet 217 and the second high-temperature oil outlet 218 are screwed to external pipelines or valves through their flange parts;

[0051] A number of groups of fixing round holes for fixing the second heat exchange tube bank 212 are provided in the center of the second fixed tube sheet 213. A number of groups of screw holes distributed in a circumferential array are provided along the outer circumference of the second fixed tube sheet 213. The third fixed tube sheet 214 is in a circular ring shape. A number of groups of screw holes distributed in a circumferential array are provided along the outer circumference of the third fixed tube sheet 214;

[0052] Lifting lugs are provided on the post-cooling closed end cover 216. The lifting lugs of the post-cooling closed end cover 216 are used for hoisting the post-cooling device 200. Both the upper end of the post-cooling inlet and outlet end cover 215 and the lower end of the post-cooling closed end cover 216 are provided with circular flange ends. A number of groups of screw holes distributed in a circumferential array are provided on the flange ends of the post-cooling inlet and outlet end cover 215 and the post-cooling closed end cover 216;

[0053] The after-cooling heat exchange tube shell 211, the second fixed tube sheet 213, the third fixed tube sheet 214, the after-cooling inlet and outlet end cover 215 and the after-cooling closed end cover 216 are screwed together through the screw holes at the flange end of the after-cooling heat exchange tube shell 211, the screw holes at the second fixed tube sheet 213, the screw holes at the third fixed tube sheet 214, the screw holes at the flange end of the after-cooling inlet and outlet end cover 215, the screw holes at the flange end of the after-cooling closed end cover 216, studs and nuts.

[0054] Specifically, the specific structure of the vertical connector 300 is shown below. Figures 1 to 7 As shown, the cross-section of the vertical connector 300 is in a "凵" shape, and the vertical connector is divided into a first connecting plate portion, a second connecting plate portion and a bottom plate portion. The front and rear sides of the bottom plate portion are respectively connected to the first connecting plate portion and the second connecting plate portion. The bottom plate portion, the first connecting plate portion and the second connecting plate portion are all provided with circular holes for screwing with the vertical bracket, and nuts are welded on the circular holes to facilitate assembly with the vertical bracket.

[0055] The first heat exchange tubes 112 and the second heat exchange tubes 212 are both composed of a plurality of heat exchange tube arrays, and the heat exchange tubes are made of SUS304 material;

[0056] A nameplate seat is welded at the front center of the oil-cooling heat exchange tube shell 111 and the after-cooling heat exchange tube shell 211, and a stainless steel nameplate is riveted on the nameplate seat to facilitate marking relevant parameters of the product.

[0057] When the oil-cooling heat exchange tube shell 111, the first fixed tube sheet 113, the oil-cooling water inlet end cover 114 and the oil-cooling water outlet end cover 115 are screwed together, a sealing gasket 500 is arranged between each two components. When the after-cooling heat exchange tube shell 211, the second fixed tube sheet 213, the third fixed tube sheet 214, the after-cooling inlet and outlet end cover 215 and the after-cooling sealing end cover 216 are screwed together, a sealing gasket 500 is arranged between each two components. The arrangement of the sealing gasket 500 enhances the sealing performance of the oil cooling device 100 and the after-cooling device 200, and improves the heat exchange efficiency of the oil cooling device 100 and the after-cooling device 200.

[0058] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A two-stage vertical oil cooling and aftercooling kit, characterized in that: It includes an oil cooling device and an aftercooling device, both of which are placed vertically, the oil cooling device is provided with a first vertical connecting component, the aftercooling device is provided with a second vertical connecting component, the oil cooling device and the aftercooling device are connected via a pipeline or a valve or a pipeline and a valve, the oil cooling device is connected to high-temperature oil and discharges the high-temperature oil cooled once, the oil cooling device uses water cooling to perform primary cooling, the aftercooling device is connected to high-temperature oil cooled once and discharges the high-temperature oil cooled twice, and the aftercooling device uses cooling gas to perform secondary cooling.

2. A two-stage vertical oil cooling and aftercooling kit according to claim 1, characterized in that: The oil cooling device is provided with an oil cooling heat exchange assembly, and the first vertical connecting assembly includes a pair of vertical connecting parts, and the pair of vertical connecting parts are respectively welded to the lower left and right parts of the oil cooling heat exchange assembly. The oil cooling device is screwed to the vertical bracket through the first vertical connecting assembly to realize the vertical placement of the oil cooling device.

3. A two-stage vertical oil cooling and aftercooling kit according to claim 2, characterized in that: The oil-cooling heat exchange assembly comprises an oil-cooling heat exchange shell, a first heat exchange tube is arranged in the oil-cooling heat exchange shell, and first fixed tube sheets are respectively arranged at both ends of the first heat exchange tube to fix the first heat exchange tube to the upper and lower ends of the oil-cooling heat exchange shell, the first fixed tube sheet at the lower end of the oil-cooling heat exchange shell is connected to the oil-cooling water inlet end cover, the first fixed tube sheet at the upper end of the oil-cooling heat exchange shell is connected to the oil-cooling water outlet end cover, the lower end of the oil-cooling water inlet end cover is provided with a water inlet, and the oil-cooling water outlet A water outlet is provided at the upper end of the end cover, a first high-temperature oil inlet and a first high-temperature oil outlet communicated with the interior of the oil-cooling heat exchange tube shell are provided on the front side of the oil-cooling heat exchange tube shell, a plurality of staggered baffles are provided on the first heat exchange tube in the oil-cooling heat exchange tube shell, and cavities respectively formed between the oil-cooling water inlet end cover and the first fixed tube sheet at the lower end of the oil-cooling heat exchange tube shell and the oil-cooling water outlet end cover and the first fixed tube sheet at the upper end of the oil-cooling heat exchange tube shell are communicated with the two ends of the first heat exchange tube respectively.

4. A two-stage vertical oil cooling and aftercooling kit according to claim 3, characterized in that: The upper and lower ends of the oil-cooled heat exchange tube shell are both provided with annular flange ends, and the flange ends of the oil-cooled heat exchange tube shell are provided with a plurality of groups of screw holes distributed in a circumferential array, and the first high-temperature oil inlet and the first high-temperature oil outlet are both provided with annular flange parts, and the flange parts of the first high-temperature oil inlet and the first high-temperature oil outlet are provided with a plurality of groups of screw holes distributed in a circumferential array, and the first high-temperature oil inlet and the first high-temperature oil outlet are both screwed to an external pipeline or valve through their flange parts; A plurality of groups of fixing circular holes for fixing the first heat exchange tubes are provided in the center of the first fixed tube sheet, and a plurality of groups of screw holes distributed in a circumferential array are provided along the circumference of the outer contour of the first fixed tube sheet; The oil-cooling outlet cover is provided with a lifting lug, the upper end of the oil-cooling inlet cover and the lower end of the oil-cooling outlet cover are both provided with an annular flange end, the flange ends of the oil-cooling inlet cover and the oil-cooling outlet cover are both provided with a plurality of groups of screw holes distributed in a circumferential array, the lower end of the water inlet and the upper end of the water outlet are both provided with an annular flange portion, the flange portions of the water inlet and the water outlet are both provided with a plurality of groups of screw holes distributed in a circumferential array, and the water outlet and the water inlet are respectively screwed to an external pipe or valve through their flange portions; The oil-cooling heat exchange tube shell, the first fixed tube sheet, the oil-cooling water inlet end cover and the oil-cooling water outlet end cover are screwed together through the screw holes at the flange end of the oil-cooling heat exchange tube shell, the screw holes at the first fixed tube sheet, the screw holes at the flange end of the oil-cooling water inlet end cover, the screw holes at the flange end of the oil-cooling water outlet end cover, studs and nuts.

5. A two-stage vertical oil cooling and aftercooling kit according to claim 3 or 4, characterized in that: The aftercooling device is provided with an aftercooling heat exchange component, and the second vertical connecting component includes a pair of vertical connecting parts, and the pair of vertical connecting parts are respectively welded to the lower left and right parts of the aftercooling heat exchange component. The aftercooling device is screwed with the vertical bracket through the second vertical connecting component to realize the vertical placement of the oil cooling device.

6. A two-stage vertical oil cooling and aftercooling kit according to claim 5, characterized in that: The after-cooling heat exchange assembly comprises an after-cooling heat exchange shell, a second heat exchange tube is arranged in the after-cooling heat exchange shell, the second heat exchange tube is in a "U" shape, a second fixed tube sheet is arranged at the lower end of the after-cooling heat exchange shell, both ends of the second heat exchange tube are fixed to the second fixed tube sheet, a third fixed tube sheet is arranged at the upper end of the after-cooling heat exchange shell, the second fixed tube sheet is connected to the after-cooling inlet and outlet end cover, the third fixed tube sheet is connected to the after-cooling closed end cover, an air inlet and an air outlet are arranged at the lower end of the after-cooling inlet and outlet end cover, and a There is a second high-temperature oil inlet connected to the interior of the after-cooling heat exchange tube shell, and a second high-temperature oil outlet connected to the interior of the after-cooling heat exchange tube shell is provided on the right side of the after-cooling heat exchange tube shell. A plurality of staggered baffles are provided on the first heat exchange tube in the after-cooling heat exchange tube shell. A partition is provided in the inner cavity of the after-cooling inlet and outlet end cover, and the inner cavity of the after-cooling inlet and outlet end cover is divided into an air outlet chamber and an air inlet chamber by the partition. The air inlet is connected to the air inlet chamber, and the air outlet is connected to the air outlet chamber. The air outlet chamber and the air inlet chamber are respectively connected to the two ends of the second heat exchange tube.

7. A two-stage vertical oil cooling and aftercooling kit according to claim 6, characterized in that: The upper and lower ends of the aftercooling heat exchange tube shell are both provided with annular flange ends, and the flange ends of the aftercooling heat exchange tube shell are provided with a plurality of groups of screw holes distributed in a circumferential array, and the second high-temperature oil inlet and the second high-temperature oil outlet are both provided with annular flange parts, and the flange parts of the second high-temperature oil inlet and the second high-temperature oil outlet are provided with a plurality of groups of screw holes distributed in a circumferential array, and the second high-temperature oil inlet and the second high-temperature oil outlet are both screwed to an external pipeline or valve through their flange parts; A plurality of sets of fixing round holes for fixing the second heat exchange tubes are formed in the center of the second fixing tube sheet. A plurality of sets of screw holes arranged in a circumferential array are formed along the outer circumference of the second fixing tube sheet. The third fixing tube sheet is annular, and a plurality of sets of screw holes arranged in a circumferential array are formed along the outer circumference of the third fixing tube sheet; Lifting lugs are arranged on the rear cold closed end cover. Annular flange ends are provided at the upper end of the rear cold inlet and outlet end cover and the lower end of the rear cold closed end cover. A plurality of sets of screw holes arranged in a circumferential array are formed in the flange ends of the rear cold inlet and outlet end cover and the rear cold closed end cover; The rear cold heat exchange shell, the second fixing tube sheet, the third fixing tube sheet, the rear cold inlet and outlet end cover and the rear cold closed end cover are screwed together through the screw holes in the flange end of the rear cold heat exchange shell, the screw holes in the second fixing tube sheet, the screw holes in the third fixing tube sheet, the screw holes in the flange end of the rear cold inlet and outlet end cover, the screw holes in the flange end of the rear cold closed end cover, studs and nuts; 8. The two-stage vertical oil cooling and aftercooling kit according to claim 5, characterized in that: The cross-section of the vertical connecting member is in a shape similar to "凵". The vertical connection is respectively provided with a first connecting plate portion, a second connecting plate portion and a bottom plate portion. The front side and the rear side of the bottom plate portion are respectively connected to the first connecting plate portion and the second connecting plate portion. Circular holes for screwing with the vertical bracket are formed in the bottom plate portion, the first connecting plate portion and the second connecting plate portion, and nuts are welded on the circular holes; 9. The two-stage vertical oil cooling and aftercooling kit according to claim 6, characterized in that: Both the first heat exchange tubes and the second heat exchange tubes are composed of a plurality of sets of heat exchange tubes arranged in an array, and the heat exchange tubes are made of SUS304 material; Nameplate seats are welded in the center of the front sides of the oil cooling heat exchange shell and the rear cold heat exchange shell, and stainless steel nameplates are riveted on the nameplate seats; 10. The two-stage vertical oil cooling and aftercooling kit according to claim 7, characterized in that: When the oil cooling heat exchange shell, the first fixing tube sheet, the oil cooling water inlet end cover and the oil cooling water outlet end cover are screwed together, gaskets are provided between every two components; When the rear cold heat exchange shell, the second fixing tube sheet, the third fixing tube sheet, the rear cold inlet and outlet end cover and the rear cold closed end cover are screwed together, gaskets are provided between every two components.

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