Flow dividing type heat exchanger based on fluid mechanics

Abstract

The utility model discloses a fluid mechanics-based split-flow heat exchanger, which comprises a heat exchanger body, a hot fluid inlet, a conversion pipe, a connecting plate, a hot fluid outlet and a cold fluid pipe, one end of the heat exchanger body is connected with the conversion pipe, and the other end of the heat exchanger body is connected with the cold fluid pipe. A hot fluid inlet is formed in one side of the top end of the heat exchanger body. By pulling out a limiting bolt and screwing an adjusting rod, a driven bevel gear is driven to rotate under the action of a driving bevel gear, and an adjusting plate is driven to ascend under the action of a driven shaft, so that a walking wheel is far away from the ground and is retracted into a connecting plate, and the connecting plate is in contact with the ground; through the operation, the stability of the heat exchanger body during use is improved, and the heat exchanger body is prevented from moving in position during use, so that the heat exchange efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a split-flow heat exchanger based on fluid mechanics. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid. It is also called heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchanger can be widely used as heater, cooler, condenser, evaporator and reboiler.

[0003] In a new type of split-flow heat exchanger with announcement number CN209820206U, an exchange tube is included, the top of the exchange tube is fixedly connected with a hot fluid inlet, and the bottom of the exchange tube is fixedly connected with a hot fluid outlet, one side of the exchange tube is fixedly connected with a first flange, and the other side of the exchange tube is fixedly connected with a second flange, the side wall of the first flange is fixedly connected with a conversion tube, the side wall of the second flange is fixedly connected with a cold fluid tube, the top of the cold fluid tube is fixedly connected with a cold fluid inlet, and the bottom of the cold fluid tube is fixedly connected with a cold fluid outlet, a partition is arranged inside the cold fluid tube, and the cold fluid can be diverted by arranging the partition, the upper diverter tube and the lower diverter tube, thereby improving the uniformity of the cold fluid diversion and enhancing the practicality of the heat exchanger, and the upper baffle and the lower baffle can make the heat exchange of the hot fluid more uniform, thereby improving the efficiency of heat exchange;

[0004] However, the above-mentioned new type of split-flow heat exchanger still has the following defects when in use: when the above-mentioned existing technology is in use, a connecting piece is fixedly connected to the bottom of the base, and the bottom of the connecting piece is fixedly connected to a roller, so that the user can carry and move the heat exchanger. However, in actual use, since the flow rate of the fluid in the heat exchanger is relatively fast when the heat exchanger is working, the impact force on the heat exchanger body is relatively large, and the provision of rollers will cause the heat exchanger to shift when working, thereby affecting the normal use of the heat exchanger and reducing the heat exchange efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a split-flow heat exchanger based on fluid mechanics to solve the problem of poor stability of the existing split-flow heat exchanger in use as mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a split-flow heat exchanger based on fluid mechanics, comprising a heat exchanger body, a hot fluid inlet, a conversion tube, a connecting plate, a hot fluid outlet, and a cold fluid tube, one end of the heat exchanger body is connected to the conversion tube, the other end of the heat exchanger body is connected to the cold fluid tube, one side of the top end of the heat exchanger body is provided with a hot fluid inlet, one side of the bottom end of the heat exchanger body is provided with a hot fluid outlet, and both sides of the bottom end of the heat exchanger body are welded with connecting plates;

[0007] An adjusting mechanism is arranged inside the connecting plate, an upper baffle is evenly arranged at the top of the heat exchanger body, and an upper shunt pipe is penetrated inside the upper baffle, a lower baffle is evenly arranged at the bottom of the heat exchanger body, and a lower shunt pipe is penetrated inside the lower baffle, one end of the upper shunt pipe and the lower shunt pipe extends to the inside of the cold fluid pipe, and the other end of the upper shunt pipe and the lower shunt pipe extends to the inside of the conversion pipe;

[0008] A partition plate is fixed inside the cold fluid pipe, and a cleaning mechanism is arranged at the top of the partition plate. A cold fluid inlet is provided at the top of the cold fluid pipe, and a cold fluid outlet is provided at the bottom of the cold fluid pipe.

[0009] When a split-flow heat exchanger based on fluid mechanics of the present technical solution is used, an adjustment mechanism is provided to improve the stability of the heat exchanger body during use, avoid displacement of the heat exchanger body during use, and improve the heat exchange effect.

[0010] Preferably, the cleaning mechanism includes a filter screen, and the filter screen is arranged at the top of the partition plate, a connecting shaft is arranged at one end of the filter screen, and a rotating block is sleeved on the outer side of the connecting shaft, and rotating fan blades are fixed on both sides of the rotating block.

[0011] Preferably, two rotating blades are provided, the two rotating blades are symmetrically distributed, and a cleaning brush is provided on one side of the two rotating blades.

[0012] Preferably, the cross-section of the filter screen is semicircular, and the material of the filter screen is activated carbon material.

[0013] Preferably, the adjustment mechanism includes an adjustment rod, and the adjustment rod is arranged inside the connecting plate, an active bevel gear is sleeved on the outer side of the adjustment rod, and a driven bevel gear is meshed on one side of the active bevel gear, a driven shaft passes through the interior of the driven bevel gear, an adjustment plate is sleeved on the outer side of the driven shaft, and walking wheels are welded on both sides of the bottom end of the adjustment plate.

[0014] Preferably, a plurality of limit slots are provided on one side of the adjusting rod, and a limit pin is provided inside one of the limit slots.

[0015] Preferably, two driven shafts are provided, and outer sides of the two driven shafts are provided with external threads.

[0016] Preferably, the running wheels are provided in two groups, each group of the running wheels is provided with two running wheels, and the two groups of the running wheels are symmetrically distributed.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the split-flow heat exchanger based on fluid mechanics not only improves its stability during use, but also has a cleaning effect;

[0018] 1. By pulling out the limit pin and twisting the adjustment rod, the driven bevel gear is driven to rotate under the action of the active bevel gear, and the adjustment plate is driven to rise under the action of the driven shaft, so that the walking wheel is away from the ground and retracted into the inside of the connecting plate, so that the connecting plate and the ground are in contact with each other. The above operation improves the stability of the heat exchanger body during use, avoids the movement of the heat exchanger body during use, and thus improves the efficiency of heat exchange;

[0019] By rotating the adjusting rod in the opposite direction, the driven shaft is driven to rotate in the opposite direction under the action of the active bevel gear and the driven bevel gear, so that the adjusting plate moves downward, and the walking wheel is made to fit the ground, so that the limit pin is inserted into the limit slot to limit it. Through the above operation, it is convenient for the staff to move the heat exchanger body to different positions according to the actual use situation, thereby improving its practicality;

[0020] 2. Introduce the cold fluid into the cold fluid pipe through the cold fluid inlet, so that the cold fluid flows into the inner part of the upward diversion pipe. During the flow, the rotating fan blades are driven to move under the action of the rotating block, so as to clean the impurities attached to the filter net. The above operation can ensure the normal use of the filter net and avoid clogging due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the main cross-sectional three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the cleaning mechanism of the utility model;

[0024] Figure 3 This is a schematic diagram of the main cross-sectional three-dimensional structure of the connection plate of the utility model;

[0025] Figure 4 It is a three-dimensional structural diagram of the adjustment mechanism of the utility model;

[0026] Figure 5 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0027] Explanation of the reference numerals in the figure: 1. heat exchanger body; 2. upper shunt pipe; 3. upper baffle; 4. hot fluid inlet; 5. conversion pipe; 6. connecting plate; 7. lower shunt pipe; 8. hot fluid outlet; 9. lower baffle; 10. cold fluid outlet; 11. partition plate; 12. cold fluid inlet; 13. cleaning mechanism; 1301. connecting shaft; 1302. rotating block; 1303. rotating fan blade; 1304. filter screen; 14. cold fluid pipe; 15. adjusting mechanism; 1501. adjusting rod; 1502. driven shaft; 1503. adjusting plate; 1504. driven bevel gear; 1505. driving bevel gear; 1506. walking wheel. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 5 , the utility model provides the following technical solutions:

[0030] Embodiment 1: In order to solve the problem that the prior art is prone to displacement during use, the following solution is disclosed. For details, please refer to Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the heat exchanger comprises a heat exchanger body 1, a hot fluid inlet 4, a conversion tube 5, a connecting plate 6, a hot fluid outlet 8, and a cold fluid tube 14. One end of the heat exchanger body 1 is connected to the conversion tube 5, and the other end of the heat exchanger body 1 is connected to the cold fluid tube 14. A hot fluid inlet 4 is provided on one side of the top end of the heat exchanger body 1, and a hot fluid outlet 8 is provided on one side of the bottom end of the heat exchanger body 1. The two sides of the bottom end of the heat exchanger body 1 are welded with connecting plates 6. An adjusting mechanism 15 is provided inside the connecting plate 6. The adjusting mechanism 15 comprises an adjusting rod 1501, and the adjusting rod 1501 is provided inside the connecting plate 6. An active bevel gear is sleeved on the outer side of the adjusting rod 1501. 1505, and one side of the active bevel gear 1505 is meshed with a driven bevel gear 1504, the interior of the driven bevel gear 1504 passes through a driven shaft 1502, the outer side of the driven shaft 1502 is sleeved with an adjusting plate 1503, both sides of the bottom of the adjusting plate 1503 are welded and connected with walking wheels 1506, one side of the adjusting rod 1501 is provided with multiple groups of limit grooves, a limit pin is arranged inside a limit groove, two driven shafts 1502 are arranged, the outer sides of the two driven shafts 1502 are arranged with external threads, two groups of walking wheels 1506 are arranged, each group of walking wheels 1506 is arranged with two, and the two groups of walking wheels 1506 are symmetrically distributed.

[0031] In this embodiment, when in use, the staff pushes the heat exchanger body 1 to move the heat exchanger body 1 to the specified position under the action of the walking wheel 1506 according to the actual use situation, pulls out the limit pin, and screws the adjusting rod 1501 to drive the active bevel gear 1505 to rotate. Since the active bevel gear 1505 and the driven bevel gear 1504 are meshed with each other, the active bevel gear 1505 rotates and drives the driven bevel gear 1504 to rotate synchronously, and the driven bevel gear 1504 rotates and drives the driven shaft 1502 to rotate synchronously, thereby driving the adjusting plate 1503 to move upward, and the adjusting plate 1503 moves upward and drives the walking wheel 1506 to move upward synchronously until the walking wheel 1506 is retracted into the interior of the connecting plate 6, so that the bottom end of the connecting plate 6 is in contact with the ground. The above operation improves the stability of the heat exchanger body 1 during use, thereby avoiding the movement of the heat exchanger body 1, and then improving the efficiency of heat exchange.

[0032] Embodiment 2: In this embodiment, the difference from embodiment 1 is that it also has a cleaning function when in use. For details, please refer to Figure 1 , Figure 2As shown, an upper baffle plate 3 is evenly arranged at the top of the interior of the heat exchanger body 1, and an upper shunt pipe 2 is penetrated inside the upper baffle plate 3, a lower baffle plate 9 is evenly arranged at the bottom of the interior of the heat exchanger body 1, and a lower shunt pipe 7 is penetrated inside the lower baffle plate 9, one end of the upper shunt pipe 2 and the lower shunt pipe 7 extends to the interior of the cold fluid pipe 14, and the other end of the upper shunt pipe 2 and the lower shunt pipe 7 extends to the interior of the conversion pipe 5, a partition plate 11 is fixed inside the cold fluid pipe 14, and a cleaning mechanism 13 is arranged at the top of the partition plate 11, and the cleaning mechanism 13 includes a filter screen 1304, and the filter screen 1304 is arranged at At the top of the partition plate 11, a connecting shaft 1301 is provided at one end of the filter 1304, and a rotating block 1302 is sleeved on the outer side of the connecting shaft 1301, rotating blades 1303 are fixed on both sides of the rotating block 1302, two rotating blades 1303 are provided, the two rotating blades 1303 are symmetrically distributed, and a cleaning brush is provided on one side of the two rotating blades 1303, the cross-section of the filter 1304 is semicircular, and the material of the filter 1304 is activated carbon material, a cold fluid inlet 12 is provided at the top of the cold fluid pipe 14, and a cold fluid outlet 10 is provided at the bottom of the cold fluid pipe 14.

[0033] In this embodiment, when in use, the hot fluid enters the interior of the heat exchanger body 1 through the hot fluid inlet 4, and the cold fluid enters the interior of the cold fluid pipe 14 through the cold fluid inlet 12. The cold fluid pipe 14 is divided into two halves by the partition plate 11. When the cold fluid entering the cold fluid pipe 14 flows into the interior of the upper shunt pipe 2, on the one hand, the cold fluid can be shunted by providing multiple groups of upper shunt pipes 2, so that the shunted cold fluid and the hot fluid in the heat exchanger body 1 perform heat exchange operations. After heat exchange, the cold fluid is discharged into the interior of the conversion pipe 5 through the upper shunt pipe 2 and flows into the lower shunt pipe 2. Inside the shunt pipe 7, the heat exchange operation of the hot fluid inside the heat exchanger body 1 is continued through the lower shunt pipe 7, and is discharged through the cold fluid outlet 10 after the heat exchange is completed. While the cold fluid flows into the upper shunt pipe 2, on the other hand, it drives the rotating fan blades 1303 to rotate under the action of the rotating block 1302. While the rotating fan blades 1303 rotate, they can clean the impurities attached to the filter screen 1304, so that the filter screen 1304 can ensure the normal filtering function, avoid clogging during long-term use, and thus increase its service life.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A split-flow heat exchanger based on fluid mechanics, comprising a heat exchanger body (1), a hot fluid inlet (4), a conversion tube (5), a connecting plate (6), a hot fluid outlet (8), and a cold fluid tube (14), wherein one end of the heat exchanger body (1) is connected to the conversion tube (5), and the other end of the heat exchanger body (1) is connected to the cold fluid tube (14), a hot fluid inlet (4) is provided on one side of the top end of the heat exchanger body (1), a hot fluid outlet (8) is provided on one side of the bottom end of the heat exchanger body (1), and connecting plates (6) are welded to both sides of the bottom end of the heat exchanger body (1); Features: An adjusting mechanism (15) is arranged inside the connecting plate (6); an upper baffle (3) is evenly arranged at the top of the heat exchanger body (1), and an upper shunt pipe (2) is passed through the interior of the upper baffle (3); a lower baffle (9) is evenly arranged at the bottom of the heat exchanger body (1), and a lower shunt pipe (7) is passed through the interior of the lower baffle (9); one end of the upper shunt pipe (2) and the lower shunt pipe (7) extends to the interior of the cold fluid pipe (14), and the other end of the upper shunt pipe (2) and the lower shunt pipe (7) extends to the interior of the conversion pipe (5); A partition plate (11) is fixed inside the cold fluid pipe (14), and a cleaning mechanism (13) is arranged at the top end of the partition plate (11); a cold fluid inlet (12) is provided at the top end of the cold fluid pipe (14), and a cold fluid outlet (10) is provided at the bottom end of the cold fluid pipe (14).

2. A split-flow heat exchanger based on fluid mechanics according to claim 1, characterized in that: The cleaning mechanism (13) comprises a filter (1304), and the filter (1304) is arranged at the top end of the partition plate (11), a connecting shaft (1301) is arranged at one end of the filter (1304), and a rotating block (1302) is sleeved on the outer side of the connecting shaft (1301), and rotating blades (1303) are fixed on both sides of the rotating block (1302).

3. A split-flow heat exchanger based on fluid mechanics according to claim 2, characterized in that: Two rotating blades (1303) are provided, the two rotating blades (1303) are symmetrically distributed, and a cleaning brush is provided on one side of the two rotating blades (1303).

4. The split-flow heat exchanger based on fluid mechanics according to claim 2, characterized in that: The cross section of the filter screen (1304) is semicircular, and the material of the filter screen (1304) is activated carbon material.

5. The split-flow heat exchanger based on fluid mechanics according to claim 1, characterized in that: The adjustment mechanism (15) comprises an adjustment rod (1501), and the adjustment rod (1501) is arranged inside the connecting plate (6), the outer side of the adjustment rod (1501) is sleeved with a driving bevel gear (1505), and one side of the driving bevel gear (1505) is meshed with a driven bevel gear (1504), the interior of the driven bevel gear (1504) passes through a driven shaft (1502), the outer side of the driven shaft (1502) is sleeved with an adjustment plate (1503), and both sides of the bottom end of the adjustment plate (1503) are welded with walking wheels (1506).

6. The split-flow heat exchanger based on fluid mechanics according to claim 5, characterized in that: A plurality of groups of limit slots are provided on one side of the adjusting rod (1501), and a limit pin is arranged inside one of the limit slots.

7. The split-flow heat exchanger based on fluid mechanics according to claim 5, characterized in that: Two driven shafts (1502) are provided, and the outer sides of the two driven shafts (1502) are both provided with external threads.

8. The split-flow heat exchanger based on fluid mechanics according to claim 5, characterized in that: The running wheels (1506) are provided in two groups, each group of the running wheels (1506) is provided with two running wheels, and the two groups of the running wheels (1506) are symmetrically distributed.

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