CN219390628U - Heat energy exchange device - Google Patents
Heat energy exchange device Download PDFInfo
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- CN219390628U CN219390628U CN202320015784.XU CN202320015784U CN219390628U CN 219390628 U CN219390628 U CN 219390628U CN 202320015784 U CN202320015784 U CN 202320015784U CN 219390628 U CN219390628 U CN 219390628U
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Abstract
The utility model provides a heat energy exchange device which comprises a shell-and-tube heat exchanger, a drying oil pump for conveying crude oil, a solvent heater for outputting preheated solvent, a water diversion pipe for conveying solvent and a cooling heat exchanger for outputting cooled crude oil. According to the utility model, the shell-and-tube heat exchanger is connected in series in front of the original solvent heater, fresh solvent conveyed out of the water diversion tank preferentially enters the newly-installed shell-and-tube heat exchanger for preheating and heating, the fresh solvent passes through the tube side, dried crude oil passes through the shell side, the dried crude oil is conveyed to the shell side through the oil pump for heat exchange, then the next cooling is carried out, and the solvent enters the original shell-and-tube heater for heating continuously after being preheated. On the premise of not changing the original process flow, the heat is further recycled.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat energy exchange device.
Background
Crude oil refers to primary oil produced from animal or vegetable oil without refining. The crude oil has a plurality of impurities and is easy to oxidize and deteriorate due to simple processing technology, and is not suitable for long-term storage. Wherein, the water content of the crude oil prepared by the leaching method is more than or equal to 0.5 percent after degumming, which is unfavorable for safe storage, thus the crude oil must be subjected to a drying and dehydration procedure. The dried high Wen Maoyou is required to be cooled and stored. The prior art uses a plate heat exchanger, uses cooling water to cool the dried high Wen Maoyou, and stores the dried high Wen Maoyou in a tank after reaching a safe storage temperature, and the process flow achieves the aim of safely storing crude oil, but the heat of the high Wen Maoyou is not fully utilized, and the phenomenon of energy waste exists.
Disclosure of Invention
The utility model aims to provide a heat energy exchange device which can fully utilize the temperature difference of flowing media in a leaching process unit and achieve the aim of energy conservation by utilizing the heat exchange principle.
Embodiments of the present utility model are implemented as follows:
the heat energy exchange device comprises a shell-and-tube heat exchanger, a drying oil pump for conveying crude oil, a solvent heater for outputting preheated solvent, a water diversion pipe for conveying solvent and a cooling heat exchanger for outputting cooled crude oil;
the outlet of the drying oil pump is connected with the shell side inlet of the shell-and-tube heat exchanger through a first pipeline, and the shell side outlet of the shell-and-tube heat exchanger is connected with the inlet of the cooling heat exchanger through a second pipeline; the water diversion pipe is connected with a pipe side inlet of the shell-and-tube heat exchanger, and a pipe side outlet of the shell-and-tube heat exchanger is connected with an inlet of the solvent heater through a third pipeline.
Further, the outlet of the drying oil pump is detachably connected with the first pipeline, the inlet of the cooling heat exchanger is detachably connected with the second pipeline, the water diversion pipe is detachably connected with the tube side inlet of the shell-and-tube heat exchanger, and the inlet of the solvent heater is detachably connected with the third pipeline.
Further, the outlet of the drying oil pump is connected with the first pipeline, the inlet of the solvent heater is connected with the second pipeline, the water diversion pipe is connected with the tube side inlet of the shell-and-tube heat exchanger, and the inlet of the cooling heat exchanger is connected with the third pipeline through flanges.
Further, control valves for controlling the flow of the liquid are arranged on the first pipeline, the second pipeline, the third pipeline and the water diversion pipe.
Further, the shell-and-tube heat exchanger comprises a shell, a left end socket and a right end socket; the two ends of the shell are provided with a left end socket and a right end socket, the left end socket is provided with a tube side inlet connected with the water diversion tube, and the right end socket is provided with a third pipeline connected with the inlet of the cooling heat exchanger.
Further, the left end socket and the right end socket are respectively detachably connected with the shell.
Further, the left end socket and the right end socket are respectively connected with the shell through flanges.
Further, the shell-and-tube heat exchanger comprises a heat exchange tube and a tube plate, wherein the heat exchange tube is horizontally arranged in the shell through the tube plate.
The embodiment of the utility model has the beneficial effects that:
according to the utility model, a shell-and-tube heat exchanger is connected in series in front of an original solvent heater, fresh solvent conveyed out of a water diversion tank preferentially enters the newly-installed shell-and-tube heat exchanger for preheating and heating, the fresh solvent passes through a tube side, dried crude oil passes through a shell side, the dried crude oil is conveyed to the shell side through an oil pump for heat exchange, then the next cooling is carried out, and the solvent enters the original shell-and-tube heater for heating continuously after being preheated. On the premise of not changing the original process flow, the heat is further recycled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a shell-and-tube heat exchanger according to the present utility model.
Icon 1-shell-and-tube heat exchanger; 2-a dry oil pump; 3-cooling the heat exchanger; 4-a water diversion pipe; 5-a solvent heater; 6-a first pipe; 7-a second pipe; 8-third pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1: the embodiment provides a heat energy exchange device, which comprises a shell-and-tube heat exchanger 1, a drying oil pump 2, a solvent heater 5, a water diversion pipe 4 and a cooling heat exchanger 3;
the outlet of the dry oil pump 2 is connected with the shell side inlet of the shell-and-tube heat exchanger 1 through a first pipeline 6, and the shell side outlet of the shell-and-tube heat exchanger 1 is connected with the inlet of the cooling heat exchanger 3 through a second pipeline 7; the water diversion pipe 4 is connected with a tube side inlet of the tube-shell heat exchanger 1, and a tube side outlet of the tube-shell heat exchanger 1 is connected with an inlet of the solvent heater 5 through a third pipeline 8.
The drying oil pump 2 is used for conveying crude oil, and the cooling heat exchanger 3 is used for outputting crude oil; the water diversion pipe 4 is used for conveying the solvent, and the solvent heater 5 is used for outputting the solvent.
The outlet of the dry oil pump 2 is detachably connected with the first pipeline 6, the inlet of the cooling heat exchanger 3 is detachably connected with the second pipeline 7, the water diversion pipe 4 is detachably connected with the tube side inlet of the shell-and-tube heat exchanger 1, and the inlet of the solvent heater 5 is detachably connected with the third pipeline 8.
Optionally, the outlet of the dry oil pump 2, the inlet of the cooling heat exchanger 3, the second pipeline 7, the water diversion pipe 4, the tube side inlet of the shell-and-tube heat exchanger 1, the inlet of the solvent heater 5 and the third pipeline 8 can be connected through threads, buckles and flanges.
In the utility model, the outlet of the dry oil pump 2 is connected with the first pipeline 6, the inlet of the cooling heat exchanger 3 is connected with the second pipeline 7, the water diversion pipe 4 is connected with the tube side inlet of the shell-and-tube heat exchanger 1, and the inlet of the solvent heater 5 is connected with the third pipeline 8 through flanges, as shown in figure 1.
Because the heat energy exchange device needs to exchange heat between crude oil and solvent, in order to conveniently regulate and control the flow of liquid, the first pipeline 6, the second pipeline 7, the third pipeline 8 and the water diversion pipe 4 are also provided with control valves for controlling the flow of liquid.
The shell-and-tube heat exchanger 1 comprises a shell, a left end socket, a right end socket, a tube plate, heat exchange tubes and baffle plates.
Wherein, the both ends of casing are provided with left head and right head, are equipped with the tube side import of being connected with shunt tubes 4 on the left head, are equipped with the third pipeline 8 of being connected with the import of solvent heater 5 on the right head. The heat exchange tubes are horizontally arranged in the shell between the seal heads through the tube plates, and meanwhile, a first pipeline 6 connected with the outlet of the dry oil pump 2 and a second pipeline 7 connected with the inlet of the cooling heat exchanger 3 are also arranged on the shell.
The left end socket and the right end socket are respectively detachably connected with the shell.
Optionally, the connection mode of the left seal head and the shell and the connection mode of the right seal head and the shell can be threaded connection, snap connection and flange connection. In the utility model, the left seal head and the shell and the right seal head and the shell are connected by adopting flanges, as shown in figure 2.
In the utility model, baffle plates are also arranged in the shell between the tube plates. The baffle plate is perpendicular to the heat exchange tubes, so that the heat transfer effect can be improved, and the tube bundle can be supported.
Alternatively, the baffles of the shell-and-tube heat exchanger 1 may be helical baffles, hole-flow baffles, semi-arcuate baffles, and scalloped plates. In the present utility model, the baffles of the shell-and-tube heat exchanger 1 are semi-arcuate baffles, as shown in fig. 2. The baffle plate is used for increasing turbulence degree and improving convection heat transfer coefficient between pipes.
The dry oil pump 2, the solvent heater 5, the water diversion pipe 4, and the cooling heat exchanger 3 used in the present utility model are all devices or components conventionally used in the art, and may be changed according to actual operation conditions, and are not limited thereto.
The working principle and the operation method of the utility model are as follows:
the temperature of the n-hexane used as an additive in leaching is about 45 ℃ in a water separator, the use temperature of the n-hexane in a process flow is about 55 ℃, the n-hexane entering the leaching device needs to be used after the temperature is increased, the solvent is heated by steam in a traditional mode, and the heat exchanger is a tubular heat exchanger. The temperature of the dried crude oil is about 100 ℃, the temperature difference between the crude oil and the dried crude oil is about 55 ℃, the crude oil needs to be cooled and stored, the solvent needs to be heated for use, and the heat exchange is carried out by utilizing the temperature difference between the two mediums. The temperature of the crude oil is further reduced after heat exchange, and the temperature of the solvent is increased, so that the heat exchange requirement of two media is met.
In order to solve the problem, the utility model is characterized in that a tube type heat exchanger is connected in series in front of the existing solvent heater 5, the crude oil is conveyed to a tube side after drying, the solvent is conveyed to a shell side, the temperature of the crude oil is reduced by 20 ℃ after full heat exchange, the temperature of the solvent is increased by 5 ℃, the crude oil enters a plate-exchange cooler for continuous cooling, and the solvent enters the solvent heater 5 for continuous heating after being heated.
The specific operation method comprises the following steps: crude oil is conveyed into the shell side of the shell-and-tube heat exchanger 1 through the outlet of the drying oil pump 2 and the first pipeline 6, meanwhile, solvent n-hexane is conveyed into the tube side of the shell-and-tube heat exchanger 1 through the water diversion pipe 4, at the moment, the crude oil is dried, the tube side is conveyed away, the solvent is conveyed away from the shell side, after full heat exchange, the crude oil enters the inlet of the cooling heat exchanger 3 through the second pipeline 7 for cooling in the next step, and the solvent enters the inlet of the solvent heater 5 through the third pipeline 8 after being preheated, and heating is continued. Through the device, the temperature of crude oil is reduced, the temperature of solvent is increased, and the heat exchange requirement of two media is met. The heat can be further recycled on the premise of not changing the original process flow.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The heat energy exchange device is characterized by comprising a shell-and-tube heat exchanger, a drying oil pump for conveying crude oil, a solvent heater for outputting preheated solvent, a water diversion pipe for conveying solvent and a cooling heat exchanger for outputting cooled crude oil;
the outlet of the drying oil pump is connected with the shell side inlet of the shell-and-tube heat exchanger through a first pipeline, and the shell side outlet of the shell-and-tube heat exchanger is connected with the inlet of the cooling heat exchanger through a second pipeline; the water diversion pipe is connected with a tube side inlet of the tube-shell heat exchanger, and a tube side outlet of the tube-shell heat exchanger is connected with an inlet of the solvent heater through a third pipeline.
2. The heat energy exchanging arrangement according to claim 1, wherein the outlet of the drying oil pump is detachably connected to the first pipe, the inlet of the cooling heat exchanger is detachably connected to the second pipe, the water diversion pipe is detachably connected to the pipe side inlet of the shell-and-tube heat exchanger, and the inlet of the solvent heater is detachably connected to the third pipe.
3. The heat energy exchanging arrangement according to claim 2, wherein the outlet of the drying oil pump is connected to the first pipe, the inlet of the solvent heater is connected to the second pipe, the water diversion pipe is connected to the pipe side inlet of the shell-and-tube heat exchanger, and the inlet of the cooling heat exchanger is connected to the third pipe via a flange.
4. A thermal energy exchange device according to claim 3 wherein the first, second, third and shunt tubes are each provided with a control valve for controlling the flow of liquid.
5. The heat exchange device of claim 1, wherein the shell-and-tube heat exchanger comprises a housing, a left head, and a right head; the two ends of the shell are provided with a left end socket and a right end socket, the left end socket is provided with a tube side inlet connected with the water diversion tube, and the right end socket is provided with a third pipeline connected with the inlet of the cooling heat exchanger.
6. The heat exchange device of claim 5, wherein the left and right heads are detachably connected to the housing, respectively.
7. The heat exchange device of claim 6, wherein the left and right heads are respectively flanged to the housing.
8. The thermal energy exchange device of claim 5 wherein the shell and tube heat exchanger comprises a heat exchange tube and a tube sheet, the heat exchange tube being disposed horizontally within the housing through the tube sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320015784.XU CN219390628U (en) | 2023-01-04 | 2023-01-04 | Heat energy exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320015784.XU CN219390628U (en) | 2023-01-04 | 2023-01-04 | Heat energy exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219390628U true CN219390628U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320015784.XU Active CN219390628U (en) | 2023-01-04 | 2023-01-04 | Heat energy exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219390628U (en) |
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2023
- 2023-01-04 CN CN202320015784.XU patent/CN219390628U/en active Active
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