CN212806663U - High flux heat exchanger - Google Patents
High flux heat exchanger Download PDFInfo
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- CN212806663U CN212806663U CN202021398606.2U CN202021398606U CN212806663U CN 212806663 U CN212806663 U CN 212806663U CN 202021398606 U CN202021398606 U CN 202021398606U CN 212806663 U CN212806663 U CN 212806663U
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Abstract
The utility model discloses a high flux heat exchanger, include: the inner cylinder body is internally provided with at least one heat exchange tube in a penetrating way along the axial direction and used for circulating liquid-phase oil products or solvents; the outer cylinder body is sleeved outside the inner cylinder body, an annular cavity is formed between the inner cylinder body and the outer cylinder body, and an inlet and an outlet communicated with the annular cavity are formed in the side wall of the outer cylinder body; the annular cavity is divided into at least two closed cavities which are respectively communicated with the inlet and the outlet, and the side wall of the inner cylinder body is provided with at least one first through hole and one second through hole; the washing oil gas flows through the inlet, the first cavity, the first through hole, the central channel, the second through hole, the second cavity and the outlet in sequence and exchanges heat with the heat exchange tube. The technical scheme of the device enables the washing oil gas to enter the central channel and fully exchange heat with the heat exchange tube, fully recovers heat in the washing oil gas, heats oil products or solvents and reduces energy consumption.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a high flux heat exchanger.
Background
With the increase of the demand of energy and chemical products in China, the contradiction between the supply and demand of high-quality energy such as petroleum and natural gas in China is very prominent. The oil residue, the oil sludge, the oil sand and the like are all unconventional petroleum resources. The oil sand thick oil reserves are 4000 hundred million tons, which are far larger than the oil exploration reserves; in the process of oil field exploitation, a large amount of oil sludge sand can be generated, a large amount of bilge oil sludge can be generated during oil product transportation, and according to incomplete statistics, at least 130 million tons of oil sludge can be generated in China every year; the oil residue is mainly generated from residual oil residue such as coal liquefaction, kerosene co-refining, a suspension bed or slurry bed hydrogenation device, coking and dry distillation and the like. The oil residue, oil sludge, oil sand and the like can be solid or liquid, and the solid content can reach up to 90 percent.
The effective recovery of the heat of the gas phase solvent generated by flash evaporation in the treatment of the oil residue is a key problem for reducing the energy consumption of the treatment of the oil residue. How to select a proper heat exchanger is a problem which needs to be solved urgently at the present stage. If a conventional heat exchanger is adopted, a large-diameter heat exchanger needs to be selected, or two heat exchangers are connected in parallel and other methods are adopted, the methods are used for fully recovering heat in the oil gas of the washing oil, so that the equipment investment is inevitably large, the occupied space is large, and the energy consumption of the device is higher.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the high-flux heat exchanger which can fully recover the heat in the oil gas of the washing oil, heat the oil product or the solvent and reduce the energy consumption is provided so as to overcome the technical defects.
The specific technical scheme is as follows:
a high flux heat exchanger comprising:
the inner cylinder body is internally provided with at least one heat exchange tube along the axial direction in the central channel, and the heat exchange tube is internally used for circulating liquid-phase oil products or solvents;
the outer cylinder is sleeved outside the inner cylinder, a closed annular cavity is formed between the outer cylinder and the inner cylinder, and an inlet and an outlet communicated with the annular cavity are formed in the side wall of the outer cylinder;
the annular cavity is divided into at least two closed cavities, namely a first cavity and a second cavity, the first cavity is communicated with the inlet, the second cavity is communicated with the outlet, and the side wall of the inner cylinder body is provided with at least one first through hole for communicating the central channel with the first cavity and at least one second through hole for communicating the central channel with the second cavity; the washing oil gas flows through the inlet, the first cavity, the first through hole, the central channel, the second through hole, the second cavity and the outlet in sequence and exchanges heat with the heat exchange tube.
Preferably, the number of the first through holes is multiple, and the multiple first through holes are arranged on the side wall of the inner cylinder body in a preset arrangement mode.
Preferably, the number of the cavities is four, and the cavities include a first cavity, a second cavity and two closed third cavities located between the first cavity and the second cavity.
Preferably, the device further comprises four connecting plates, wherein the inner side and the outer side of each connecting plate are respectively connected with the outer peripheral wall of the inner cylinder and the inner peripheral wall of the outer cylinder, and the annular cavity is divided into four cavities.
Preferably, the inlet and the outlet are respectively arranged at the upper end and the lower end of the outer cylinder body.
Preferably, the four connecting plates are arranged at intervals of 90 degrees and divide the inner cylinder and the outer cylinder into four arc sections with equal arc length in the cross section direction.
Preferably, four rib plates which are arranged opposite to the four connecting plates are fixedly arranged on the inner side wall of the outer cylinder body.
Preferably, the number of the second through holes is multiple, and the multiple second through holes are arranged on the side wall of the inner cylinder in an array manner.
Preferably, the second through hole is a square hole.
Preferably, each connecting plate is further provided with at least one tear hole along the length direction thereof.
The beneficial effects of the above technical scheme are that:
the high-flux heat exchanger comprises an inner cylinder and an outer cylinder, wherein a central channel used for penetrating through a heat exchange tube is arranged in the inner cylinder, at least two cavities are formed between the inner cylinder and the outer cylinder and are constructed into a channel used for circulating washing oil gas, so that the washing oil gas can enter the central channel and fully exchange heat with the heat exchange tube, the heat in the washing oil gas is fully recovered, an oil product or a solvent is heated, and the energy consumption is reduced.
Drawings
FIG. 1 is a cross-sectional view of a high flux heat exchanger of the present invention;
FIG. 2 is a cross-sectional view of the inner and outer cylinders of the high flux heat exchanger of the present invention;
fig. 3 is a cross-sectional view of the inner cylinder and the outer cylinder in the high-flux heat exchanger of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings. The top-to-bottom direction as viewed from the paper in fig. 1 is defined as the top-to-bottom direction in this embodiment, and the left-to-right direction as viewed from the paper in fig. 1 is defined as the back-to-front direction in this embodiment. And the direction of the arrows shown in fig. 1 is the flow direction of the wash oil gas.
Referring to fig. 1 to 3, the high flux heat exchanger provided in the present embodiment includes:
at least one heat exchange tube 12 penetrates through the central channel 9 of the inner cylinder 2 along the axial direction, and liquid-phase oil or solvent flows through the heat exchange tube 12;
the outer cylinder body 1 is sleeved outside the inner cylinder body 2, a closed annular cavity 3 is formed between the outer cylinder body 1 and the inner cylinder body 2, and an inlet 4 and an outlet 5 communicated with the annular cavity 3 are formed in the side wall of the outer cylinder body 1;
the annular cavity 3 is divided into at least two closed cavities, namely a first cavity 6 and a second cavity 7, the first cavity 6 is communicated with the inlet 4, the second cavity 7 is communicated with the outlet 5, and the side wall of the inner cylinder 2 is provided with at least one first through hole for communicating the central channel 9 with the first cavity 6 and at least one second through hole for communicating the central channel 9 with the second cavity 7; the washing oil gas flows through the inlet 4, the first cavity 6, the first through hole, the central channel 9, the second through hole, the second cavity 7 and the outlet 5 in sequence and exchanges heat with the heat exchange tube 12.
Based on the technical scheme, the high-flux heat exchanger comprises an inner cylinder body 2 and an outer cylinder body 1, a central channel 9 used for penetrating through a heat exchange tube 12 is formed in the inner cylinder body 2, at least two cavities are formed between the inner cylinder body 2 and the outer cylinder body 1, and a channel used for circulating washing oil gas is constructed, so that the washing oil gas can enter the central channel 9 and fully exchange heat with the heat exchange tube 12, heat in the washing oil gas is fully recovered, an oil product or a solvent is heated, and energy consumption is reduced.
In a preferred embodiment, the number of the first through holes is multiple, and the multiple first through holes are opened on the side wall of the inner cylinder 2 in a preset arrangement manner, so as to adjust the pressure drop of the shell-side gas phase in the direction of the heat exchange tube 12 in the heat exchanger according to the application requirement, so that the pressure drop of the gas phase at each position in the direction of the heat exchange tube 12 is substantially consistent, and thus the shell-side gas phase is uniformly distributed. Specifically, the predetermined arrangement includes an equidistant arrangement in the axial direction, an arrangement in the axial direction, a manner of gradually increasing in number (i.e., a change in the opening density) in a direction from a position close to the inlet 4 to a position away from the inlet 4, and other arrangements, so that the above-mentioned objects can be achieved by adjusting the opening position, the opening size, the opening density, and the like of the first through holes.
As a further preferred embodiment, the number of the cavities is four, and the cavities include the first cavity 6, the second cavity 7, and two sealed third cavities 8 located between the first cavity 6 and the second cavity 7. Further, the high-flux heat exchanger further comprises four connecting plates 10, wherein the inner side and the outer side of each connecting plate 10 are respectively connected with the outer peripheral wall of the inner cylinder 2 and the inner peripheral wall of the outer cylinder 1, and the annular cavity 3 is divided into the four cavities. Further, an inlet 4 and an outlet 5 are respectively arranged at the upper end and the lower end of the outer cylinder body 1. Further, four connecting plates 10 are arranged at intervals of 90 degrees, and divide the inner cylinder 2 and the outer cylinder 1 into four arc sections with equal arc length in the cross section direction.
As a further preferred embodiment, four rib plates 11 opposite to the four connecting plates 10 are further fixedly mounted on the inner side wall of the outer cylinder 1 to enhance the stability of the connecting plates 10. Further, the number of the second through holes is multiple, and the multiple second through holes are arranged on the side wall of the inner cylinder 2 in an array manner. Further, the second through-hole is the quad slit for liquefied wash oil gas can flow out after partial heat transfer. Furthermore, the front and rear open ends of the outer cylinder 1 are respectively connected with an end cover 13, so that on one hand, a plurality of heat exchange tubes 12 are convenient to lay and form a liquid flow channel for circulating oil or solvent, and on the other hand, gas-phase washing oil gas is prevented from flowing out from two ends. Further, each connecting plate 10 is further provided with at least one tear hole (not shown) along the length direction thereof for pressure relief, which is a conventional design in the art, and therefore, the detailed description thereof is omitted. In addition, the whole high-flux heat exchanger provided in the embodiment can adopt a floating head type heat exchanger, or a fixed tube plate type heat exchanger, a U-shaped tube plate type heat exchanger, a plate type heat exchanger and the like.
In a specific application, as shown in fig. 1, a liquid-phase oil product or solvent flows in the heat exchange tube 12, a gas-phase washing oil gas firstly enters the first cavity 6 from the inlet 4, and under the action of the first through holes arranged in a preset arrangement mode, the washing oil gas is uniformly diffused to enter the central channel 9 and uniformly and sufficiently exchange heat with the heat exchange tube 12, and meanwhile, part of the washing oil gas is liquefied to form a gas-liquid two-phase washing oil gas, and then the gas-liquid two-phase washing oil gas enters the second cavity 7 through the second through holes and further flows out from the outlet 5. So that the whole heat exchange is fully and uniformly carried out and the energy consumption can be reduced.
The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A high flux heat exchanger, comprising:
the heat exchanger comprises an inner cylinder (2), wherein at least one heat exchange tube (12) penetrates through a central channel (9) of the inner cylinder along the axial direction, and liquid-phase oil or solvent flows through the heat exchange tube (12);
the outer cylinder body (1) is sleeved outside the inner cylinder body (2), a closed annular cavity (3) is formed between the outer cylinder body (1) and the inner cylinder body (2), and an inlet (4) and an outlet (5) communicated with the annular cavity (3) are formed in the side wall of the outer cylinder body (1);
the annular cavity (3) is divided into at least two closed cavities, namely a first cavity (6) and a second cavity (7), the first cavity (6) is communicated with the inlet (4), the second cavity (7) is communicated with the outlet (5), the side wall of the inner cylinder (2) is provided with at least one first through hole for communicating the central channel (9) with the first cavity (6) and at least one second through hole for communicating the central channel (9) with the second cavity (7); the washing oil gas flows through the inlet (4), the first cavity (6), the first through hole, the central channel (9), the second through hole, the second cavity (7) and the outlet (5) in sequence and exchanges heat with the heat exchange tube (12).
2. The high flux heat exchanger according to claim 1, wherein the number of the first through holes is plural, and the plural first through holes are opened on the side wall of the inner cylinder (2) in a predetermined arrangement.
3. High flux heat exchanger according to claim 1 or 2, wherein the number of chambers is four, comprising the first chamber (6), the second chamber (7) and two closed third chambers (8) between the first chamber (6) and the second chamber (7).
4. The high flux heat exchanger according to claim 3, further comprising four connecting plates (10), wherein the inner and outer sides of each connecting plate (10) are respectively connected with the outer circumferential wall of the inner cylinder (2) and the inner circumferential wall of the outer cylinder (1) and divide the annular cavity (3) into four cavities.
5. High flux heat exchanger according to claim 4, wherein the inlet (4) and the outlet (5) open at the upper and lower end of the outer cylinder (1), respectively.
6. The high flux heat exchanger according to claim 4, wherein four connecting plates (10) are arranged at intervals of 90 degrees and divide the inner cylinder (2) and the outer cylinder (1) into four arc segments of equal arc length in the cross-sectional direction.
7. The high flux heat exchanger according to claim 4, characterized in that four rib plates (11) arranged opposite to the four connecting plates (10) are further fixedly mounted on the inner side wall of the outer cylinder (1).
8. The high flux heat exchanger according to claim 1, wherein the number of the second through holes is plural, and a plurality of the second through hole arrays are arranged on the side wall of the inner cylinder (2).
9. The high flux heat exchanger of claim 8 wherein the second through hole is a square hole.
10. The high flux heat exchanger of claim 4 wherein each of said webs (10) is further perforated with at least one tear hole along its length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021398606.2U CN212806663U (en) | 2020-07-16 | 2020-07-16 | High flux heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021398606.2U CN212806663U (en) | 2020-07-16 | 2020-07-16 | High flux heat exchanger |
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| CN212806663U true CN212806663U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021398606.2U Active CN212806663U (en) | 2020-07-16 | 2020-07-16 | High flux heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222269A (en) * | 2023-05-10 | 2023-06-06 | 潍坊金健钛设备有限公司 | High-flux heat exchanger for fluid separation |
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2020
- 2020-07-16 CN CN202021398606.2U patent/CN212806663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222269A (en) * | 2023-05-10 | 2023-06-06 | 潍坊金健钛设备有限公司 | High-flux heat exchanger for fluid separation |
| CN116222269B (en) * | 2023-05-10 | 2023-08-08 | 潍坊金健钛设备有限公司 | High-flux heat exchanger for fluid separation |
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Address after: 8 / F, building e, Hefeng creative Plaza, 435 Jiangdong North Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Antai Environmental Chemical Engineering Design Co., Ltd. Address before: 8 / F, building e, Hefeng creative Plaza, 435 Jiangdong North Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY CO.,LTD. |
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