Wide-channel detachable plate heat exchanger and use method thereof

Abstract

The present invention discloses a wide-channel detachable plate heat exchanger and a method of using the same, and belongs to the field of heat exchange tubes. A wide-channel detachable plate heat exchanger includes a heat exchange tube body and a plurality of baffle units. Each baffle unit forms a cavity through a first end cover and a second end cover, and a spoiler is installed therein to drive the cooling medium to rotate. The baffle unit is provided with a sealing sheet, and a baffle is provided on the sealing sheet to switch the passage. The baffle unit is sealed and connected to the inner wall of the heat exchange tube. The non-vertical and horizontal symmetrical design improves turbulence and realizes uniform heat exchange. The sealing sheet and the baffle are provided with liquid cavities, and heat exchange is realized by introducing cooling medium, reducing temperature and extending service life. In addition, the component is provided with a first soft liquid bag and a driving component to realize cooling medium circulation and maintain high heat exchange efficiency. The present invention improves heat exchange efficiency and extends component service life by optimizing fluid flow and heat exchange methods, and has broad application prospects.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchange tubes, and in particular to a wide-channel detachable plate heat exchanger and a use method thereof. Background Art

[0002] At present, wide channel detachable plate heat exchangers usually use baffles as key components to improve fluid flow and heat exchange efficiency. However, there are some problems with the traditional baffle design, such as the relatively fixed fluid flow path, which is easy to form local overheating or overcooling areas, resulting in low heat exchange efficiency. In order to overcome the above problems, some new wide channel detachable plate heat exchanger designs have emerged in recent years, attempting to improve the heat exchange efficiency by improving the structure and function of the baffle unit. Although these designs have improved the heat exchange effect to a certain extent, there are still some limitations, such as the relatively simple channel design, which cannot flexibly adjust the number and position of the unobstructed channels according to the changes in the fluid flow pressure, thereby limiting the further improvement of the heat exchange efficiency. Therefore, it is necessary to further innovate the design of the baffle unit of the wide channel detachable plate heat exchanger to achieve more uniform and efficient heat exchange. The present invention is proposed in this context, aiming to improve the heat exchange efficiency and service life of the wide channel detachable plate heat exchanger through innovative baffle unit design to meet the needs of various application scenarios. Summary of the invention

[0003] The purpose of the present invention is to solve the problem in the prior art that the baffle structure on the existing heat exchange tube is relatively fixed, resulting in a fixed flow path and causing local overheating or overcooling, and to propose a wide flow channel detachable plate heat exchanger and a method of using the same.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A wide flow channel detachable plate heat exchanger comprises a heat exchange tube body and a plurality of baffle units mounted on the heat exchange tube body, each of the baffle units comprising

[0006] A first end cover and a second end cover, wherein the first end cover and the second end cover are respectively provided with a first through groove and a second through groove, a cavity is formed between the first end cover and the second end cover, and the first through groove and the second through groove are circumferentially distributed outside the cavity in a circumferential direction;

[0007] A spoiler is rotatably mounted in the cavity, and the cooling medium enters the cavity through the heat exchange tube body and drives the spoiler to rotate;

[0008] A sealing sheet is sealingly connected to the connection between the first end cover and the second end cover and is connected to the output end of the spoiler. The sealing sheet is provided with a blocking sheet placed between the first through groove and the second through groove. When the sealing sheet rotates through the spoiler, the blocking sheet rotates between the first through groove and the second through groove to switch the passage.

[0009] Preferably, the inner sides of the first end cover and the second end cover are respectively concave to form corresponding first grooves and second grooves, the first grooves and the second grooves fit together to form a complete cavity, the first end cover and the second end cover are respectively provided with first through holes and second through holes, and the heat exchange tube body includes a first wide channel detachable plate heat exchanger connected to the first through holes, and a second wide channel detachable plate heat exchanger connected to the second through holes.

[0010] Preferably, the spoiler includes a rotating shaft and an impeller installed on the rotating shaft, the first groove and the second groove are respectively provided with a first mounting groove and a second mounting groove, the two ends of the rotating shaft are connected to the first mounting groove and the second mounting groove through a first bearing assembly, the sealing sheet is an annular sheet structure, the sealing sheet is sleeved on the radial outer periphery of the impeller, the end of the impeller is connected to the inner side of the sealing sheet, and the sealing sheet is sealed and connected to the first end cover and the second end cover through a second bearing assembly.

[0011] Preferably, the first bearing assembly includes a first tapered roller bearing connected to the first end cover, and a second tapered roller bearing connected to the second end cover, the first end cover is provided with a first mounting groove on the inner side, the first tapered roller bearing is embedded in the first mounting groove, the second end cover is provided with a second mounting groove on the inner side, the second tapered roller bearing is embedded in the second mounting groove, and the two ends of the rotating shaft are fixedly connected to the inner rings of the first tapered roller bearing and the second tapered roller bearing.

[0012] Preferably, the second bearing assembly comprises a first sealed bearing installed in the first groove, and a second sealed bearing installed in the second groove, and two side surfaces of the sealing sheet are sealedly connected to the inner rings of the first sealed bearing and the second sealed bearing respectively.

[0013] Preferably, a sealing ring is connected between the sealing sheet and the first sealing bearing and the second sealing bearing.

[0014] Preferably, a first liquid cavity is provided in the sealing plate, a second liquid cavity communicating with the first liquid cavity is provided in the blocking plate, and a liquid inlet hole is provided on one side of the sealing plate connected to the impeller.

[0015] Preferably, the first end cover is connected to a first driving member, the second end cover is connected to a second driving member, and first soft liquid bags are provided on both sides of the baffle. When the sealing sheet rotates, the first driving member and the second driving member squeeze the first soft liquid bag, and the liquid medium in the second liquid cavity and the first liquid cavity is discharged through the liquid inlet hole.

[0016] Preferably, second soft liquid bags are connected to both sides of the sealing sheet near the sealing ring, and when the cooling medium enters the first liquid cavity from the liquid inlet hole, the second soft liquid bag fits with the edge of the sealing ring to seal the gap.

[0017] Preferably, a first connecting plate is integrally formed on the first end cover, and a first connecting hole for connecting to the heat exchanger tank body is provided on the first connecting plate; a second connecting plate is integrally formed on the second end cover, and the first connecting plate and the second connecting plate are provided with symmetrical second connecting holes, and bolts are connected in the second connecting holes.

[0018] A method for using a wide-channel detachable plate heat exchanger comprises the following steps:

[0019] S1: allowing a heat source to enter the heat exchanger, and a cooling medium to enter the heat exchange tube body and pass through a heat exchange area including a baffle unit;

[0020] S2: In the baffle unit, turbulence is generated for the cooling medium by a baffle structure provided with a first end cover and a second end cover, thereby increasing the contact area between the fluid and the heat transfer surface. The inner sides of the first end cover and the second end cover are respectively concave to form corresponding first grooves and second grooves, and the first grooves and the second grooves fit together to form a complete cavity. The baffle unit also includes a rotating shaft and an impeller installed in the cavity, and a sealing sheet sleeved on the radial outer periphery of the impeller. A baffle is provided on the sealing sheet, and is sealed and connected to the first end cover and the second end cover through a second bearing assembly. Through the rotation of the spoiler, the baffle rotates between the first through groove and the second through groove to switch the passage.

[0021] S3: When the cooling medium flows in the baffle unit, it absorbs the heat transferred by the heat exchange tube body and reduces the temperature:;

[0022] S4: According to the coolant flow pressure, by adjusting the rotation state of the spoiler, the number and position of the unobstructed channels in the deflector unit are dynamically adjusted to achieve more uniform heat exchange.

[0023] Compared with the prior art, the present invention provides a wide flow channel detachable plate heat exchanger, which has the following beneficial effects:

[0024] The difference between the baffle unit in the present invention and the current baffle plate is that the outer edge of the baffle unit is sealed and connected to the inner wall of the heat exchange tube, and the channels between two adjacent baffle units are not designed to be symmetrical up and down, but multiple channels are set on each baffle unit, and the number and position of the channels that are unobstructed are changed according to the flow pressure of the coolant. The advantage of such a setting is that turbulence can be further improved to achieve more uniform heat exchange. By designing the channel between two adjacent baffle units to be asymmetrical up and down, this asymmetry helps to break the inertia of fluid flow and increase the degree of turbulence of the fluid during the flow process. Turbulence can increase the contact area between the fluid and the heat transfer surface, thereby improving the heat transfer efficiency. Multiple channels are set on each baffle unit, and the number and position of the channels that are unobstructed are changed according to the flow pressure of the coolant, thereby avoiding local overheating or overcooling, thereby achieving more uniform heat exchange.

[0025] By setting the first liquid cavity and the second liquid cavity, the cooling medium flows in the first liquid cavity and the second liquid cavity, and exchanges heat with the materials of the sealing plate and the baffle, thereby absorbing or releasing heat. When the outer side of the baffle contacts the hot gas or fluid to be cooled, since the baffle material has good thermal conductivity, heat exchange can also occur between the outer side of the baffle and the hot gas or fluid. By setting the liquid cavity in the sealing plate and the baffle, and introducing the cooling medium through the liquid inlet hole, heat exchange between the cooling medium and the sealing plate and the baffle is achieved, so that the heat can be effectively dispersed, the temperature of the sealing plate and the baffle can be reduced, thereby extending their service life.

[0026] By providing the first soft fluid bag and the first driving member and the second driving member, the circulation of the cooling medium is achieved, ensuring that the baffle always maintains a high heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 1 ;

[0028] Figure 2 A schematic diagram of the structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 2 ;

[0029] Figure 3 This is a front view of a wide-channel detachable plate heat exchanger proposed by the present invention;

[0030] Figure 4 A top view of a wide-channel detachable plate heat exchanger proposed by the present invention;

[0031] Figure 5 The invention provides a wide flow channel detachable plate heat exchanger explosion Figure 1 ;

[0032] Figure 6The invention provides a wide flow channel detachable plate heat exchanger explosion Figure 2 ;

[0033] Figure 7 Schematic diagram of the internal structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 1 ;

[0034] Figure 8 A wide flow channel detachable plate heat exchanger proposed by the present invention Figure 7 The structural diagram of part A in the figure;

[0035] Fig. 9 A wide flow channel detachable plate heat exchanger proposed by the present invention Figure 7 The structural diagram of part B;

[0036] Fig.10 This is a schematic diagram of a reverse full-section structure of a wide-channel detachable plate heat exchanger proposed by the present invention from a left-side view;

[0037] Fig.11 A wide flow channel detachable plate heat exchanger proposed by the present invention Fig.10 Schematic diagram of the structure of part C;

[0038] Fig.12 Schematic diagram of the internal structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 2 ;

[0039] Fig.13 Schematic diagram of the assembly structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 1 ;

[0040] Fig.14 Schematic diagram of the assembly structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 2 ;

[0041] Fig.15 Schematic diagram of the assembly structure of a wide flow channel detachable plate heat exchanger proposed by the present invention Figure 3 ;

[0042] In the figure: 100, first end cover; 101, first connecting plate; 102, first connecting hole; 103, second connecting hole; 104, first through groove; 105, first sealed bearing; 106, first groove; 107, first through hole; 108, first mounting groove; 109, first tapered roller bearing; 110, first driving member; 200, rotating shaft; 201, impeller; 202, sealing plate; 204, baffle; 205, first soft liquid bag; 206, first liquid chamber; 20 7. Second liquid chamber; 208. Liquid inlet hole; 209. Second soft liquid bag; 300. Second end cover; 301. Second through groove; 302. Second connecting piece; 303. Bolt; 304. Second sealed bearing; 305. Second through hole; 306. Second groove; 307. Second driving member; 308. Second mounting groove; 309. Second tapered roller bearing; 400. First wide channel detachable plate heat exchanger; 500. Second wide channel detachable plate heat exchanger; 600. Sealing ring. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0044] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0045] Reference Figure 1-15 The present invention discloses a wide flow channel detachable plate heat exchanger, which includes a heat exchange tube body and a plurality of baffle units installed on the heat exchange tube body. During the heat exchange process, the fluid on one side of the heat source flows through the heat exchanger, and the heat is transferred from the heat exchange tube body to the tube, while on the other side, the cooling medium flows through the heat exchange tube body to absorb heat, thereby reducing the temperature of the fluid. The main function of the baffle in the heat exchanger is to reasonably separate the space in the shell side and divide the space in the shell into different small units. When the fluid or gas flows in the shell side, the presence of the baffle hinders the fluid or gas, and more friction and collision will occur between the material to be cooled and the shell wall, resulting in an increase in the turbulence level. The turbulence helps to increase the contact area between the fluid and the heat transfer surface, thereby improving the heat transfer efficiency. The baffle achieves effective control of the fluid and improvement of the heat transfer efficiency by changing the flow state of the fluid and increasing the turbulence level.

[0046] The baffle unit in the present invention is different from the existing baffle plate in that the outer edge of the baffle unit is sealed and connected to the inner wall of the heat exchange tube, and the channels between two adjacent baffle units are not designed to be symmetrical up and down, but multiple channels are set on each baffle unit, and the number and position of the channels are changed according to the flow pressure of the coolant. The advantage of this arrangement is that it can further improve turbulence and achieve more uniform heat exchange. The specific implementation of the baffle unit is as follows:

[0047] See also Figure 1-Figure 15 In one embodiment, each deflection unit includes a first end cover 100 and a second end cover 300, and the first end cover 100 and the second end cover 300 are respectively provided with a first through groove 104 and a second through groove 301, and a cavity is formed between the first end cover 100 and the second end cover 300, and the first through groove 104 and the second through groove 301 are circumferentially distributed on the outer side of the cavity in the circumferential direction; the spoiler is rotatably installed in the cavity, and the cooling medium drives the spoiler to rotate after entering the cavity through the heat exchange tube body; the sealing plate 202 is sealingly connected to the connection between the first end cover 100 and the second end cover 300, and is connected to the output end of the spoiler, and the sealing plate 202 is provided with a baffle 204 placed between the first through groove 104 and the second through groove 301, and when the sealing plate 202 rotates through the spoiler, the baffle 204 rotates between the first through groove 104 and the second through groove 301 to switch the passage.

[0048] With the solution of the present invention, the channel between two adjacent baffle units is not designed to be symmetrical in terms of the vertical direction. This asymmetry helps to break the inertia of the fluid flow and increase the turbulence of the fluid during the flow. The turbulence can increase the contact area between the fluid and the heat transfer surface, thereby improving the heat transfer efficiency. A plurality of channels are arranged on each baffle unit, and the number and position of the unobstructed channels are changed according to the flow pressure of the coolant, thereby avoiding local overheating or overcooling, thereby achieving a more uniform heat exchange.

[0049] The specific working process is as follows: during the heat exchange process, the cooling medium first flows into the cavity through the heat exchange tube body, and then drives the spoiler to rotate. As the spoiler rotates, the baffle 204 on the sealing plate 202 begins to rotate between the first through groove 104 and the second through groove 301. During the rotation process, the baffle 204 will dynamically switch the passage between the first through groove 104 and the second through groove 301 according to the rotation speed of the spoiler and the flow pressure of the cooling medium. When the baffle 204 covers a certain through groove, the through groove is closed, and the heat exchange medium needs to choose other channels to pass through. Therefore, through this mechanism of dynamically adjusting the passage, the movement order of the heat exchange medium is increased, the turbulence degree is increased, the heat exchange is made more uniform, the contact area between the fluid and the heat transfer surface is increased, and the heat transfer efficiency is improved.

[0050] In a preferred embodiment, the inner sides of the first end cover 100 and the second end cover 300 are respectively recessed to form corresponding first grooves 106 and second grooves 306, and the first grooves 106 and second grooves 306 fit together to form a complete cavity. The first end cover 100 and the second end cover 300 are respectively provided with first through holes 107 and second through holes 305, and the heat exchange tube body includes a first wide channel detachable plate heat exchanger 400 connected to the first through hole 107, and a second wide channel detachable plate heat exchanger 500 connected to the second through hole 305.

[0051] According to the solution of the present invention, the first end cover 100 and the second end cover 300 are respectively provided with a first through hole 107 and a second through hole 305, and the two through holes are channels for the cooling medium to flow into and out of the deflector unit. When the cooling medium enters the cavity of the deflector unit from the first wide channel detachable plate heat exchanger 400, it drives the spoiler to rotate.

[0052] In a preferred embodiment, the spoiler includes a rotating shaft 200 and an impeller 201 installed on the rotating shaft 200, and the first mounting groove 108 and the second mounting groove 308 are respectively opened in the first groove 106 and the second groove 306. The two ends of the rotating shaft 200 are connected to the first mounting groove 108 and the second mounting groove 308 through a first bearing assembly. The sealing plate 202 is an annular sheet structure, and the sealing plate 202 is sleeved on the radial outer periphery of the impeller 201. The end of the impeller 201 is connected to the inner side of the sealing plate 202, and the sealing plate 202 is sealed and connected to the first end cover 100 and the second end cover 300 through the second bearing assembly.

[0053] By adopting the scheme of the present invention, the rotating shaft 200 is respectively installed in the first installation groove 108 in the first groove 106 and the second installation groove 308 in the second groove 306 through the first bearing assembly. When the cooling medium enters the cavity, it contacts the impeller 201, thereby driving the impeller 201 to rotate. As the impeller 201 rotates, the sealing plate 202 is driven to rotate. Since the second bearing assembly can realize the sealed rotation of the sealing plate 202 and the first end cover 100 and the second end cover 300, the existence of the sealing plate 202 also ensures that the cooling medium will not leak out from the gap of the deflector unit during the flow process. Since the baffle 204 is connected to the sealing plate 202, it can move between the first through groove 104 and the second through groove 301, thereby realizing the switching of the passage. In the present invention, the sealing plate 202 is annular, and the baffle 204 is fan-shaped or dispersed into multiple groups of small fans, so that the passage mode can be changed.

[0054] Optionally, in a preferred embodiment, the first bearing assembly includes a first tapered roller bearing 109 connected to the first end cover 100, and a second tapered roller bearing 309 connected to the second end cover 300, a first mounting groove 108 is provided on the inner side of the first end cover 100, and the first tapered roller bearing 109 is embedded in the first mounting groove 108, a second mounting groove 308 is provided on the inner side of the second end cover 300, and the second tapered roller bearing 309 is embedded in the second mounting groove 308, and both ends of the rotating shaft 200 are fixedly connected to the inner rings of the first tapered roller bearing 109 and the second tapered roller bearing 309.

[0055] In a preferred embodiment, the second bearing assembly includes a first sealed bearing 105 installed in the first groove 106 and a second sealed bearing 304 installed in the second groove 306, and the two side surfaces of the sealing sheet 202 are sealedly connected to the inner rings of the first sealed bearing 105 and the second sealed bearing 304 respectively.

[0056] According to the solution of the present invention, the second sealed bearing 304 is composed of inner and outer rings, rolling elements and a retaining cage. The contact parts of the inner and outer rings and the rolling elements are provided with a hard coating or a layer of lubricant is sprayed on the surface, so that the bearing has a self-lubricating property. A sealing unit is provided inside the second sealed bearing 304, which mainly plays the role of dustproof, waterproof and sealing, and can effectively ensure that the internal lubricant of the bearing will not be lost or contaminated due to external factors.

[0057] Optionally, in a preferred embodiment, a sealing ring 600 is connected between the sealing sheet 202 and the first sealing bearing 105 and the second sealing bearing 304 .

[0058] In a preferred embodiment, a first liquid cavity 206 is provided in the sealing sheet 202 , a second liquid cavity 207 communicating with the first liquid cavity 206 is provided in the blocking sheet 204 , and a liquid inlet hole 208 is provided on one side of the sealing sheet 202 connected to the impeller 201 .

[0059] According to the solution of the present invention, a first liquid cavity 206 is provided in the sealing sheet 202, and a second liquid cavity 207 communicating with the first liquid cavity 206 is provided in the baffle 204. A liquid inlet hole 208 is provided on the side of the sealing sheet 202 connected to the impeller 201. When the cooling medium enters the first liquid cavity 206 through the liquid inlet hole 208, since the first liquid cavity 206 and the second liquid cavity 207 are communicated, the cooling medium will further flow into the second liquid cavity 207. As the impeller 201 rotates, the sealing sheet 202 and the baffle 204 also rotate accordingly. In this process, the cooling medium flows in the first liquid cavity 206 and the second liquid cavity 207. Heat is exchanged with the materials of the sealing sheet 202 and the baffle 204, thereby absorbing or releasing heat. When the outer side of the baffle 204 contacts the hot gas or fluid to be cooled, since the material of the baffle 204 has good thermal conductivity, heat exchange can also occur between the outer side of the baffle 204 and the hot gas or fluid. By setting a liquid cavity in the sealing sheet 202 and the baffle 204 and introducing the cooling medium through the liquid inlet 208, heat exchange between the cooling medium and the sealing sheet 202 and the baffle 204 is achieved, so that heat can be effectively dispersed, the temperature of the sealing sheet 202 and the baffle 204 can be reduced, and their service life can be extended.

[0060] In a preferred embodiment, the first end cover 100 is connected to the first driving member 110, the second end cover 300 is connected to the second driving member 307, and the first soft liquid bag 205 is provided on both sides of the baffle 204. When the sealing sheet 202 rotates, the first driving member 110 and the second driving member 307 squeeze the first soft liquid bag 205, and the liquid medium in the second liquid cavity 207 and the first liquid cavity 206 is discharged through the liquid inlet hole 208.

[0061] According to the solution of the present invention, the first end cover 100 and the second end cover 300 are connected to the first driving member 110 and the second driving member 307 respectively. When the baffle 204 rotates, the first soft fluid bags 205 on both sides thereof will contact and be squeezed with the first driving member 110 and the second driving member 307 (such as rollers), so that the liquid medium in the first soft fluid bag 205 is subjected to pressure, thereby pushing the liquid medium in the second liquid chamber 207 and the first liquid chamber 206 to be discharged through the liquid inlet hole 208. When the baffle 204 continues to rotate and moves into the gap between the multiple groups of rollers, the first soft fluid bag 205 is no longer squeezed. At this time, new cooling medium enters the first liquid chamber 206 and the second liquid chamber 207 again through the liquid inlet hole 208, thereby realizing the circulation of the cooling medium. This circulation ensures that the baffle 204 always maintains a high heat exchange efficiency. The circulation of the cooling medium is realized through the squeezing action of the first driving member 110 and the second driving member 307, ensuring that the baffle 204 can continuously and effectively perform heat exchange, thereby greatly improving the heat dissipation efficiency.

[0062] In a preferred embodiment, second soft liquid bags 209 are connected to both sides of the sealing sheet 202 near the sealing ring 600. When the cooling medium enters the first liquid chamber 206 from the liquid inlet 208, the second soft liquid bag 209 fits with the edge of the sealing ring 600 to seal the gap.

[0063] By adopting the solution of the present invention, when the cooling medium enters the first liquid chamber 206 through the liquid inlet hole 208, due to the pressure and flow characteristics of the liquid, the second soft liquid bag 209 will expand accordingly and fit tightly to the edge of the sealing ring 600, effectively blocking the small gap between the sealing ring 600 and the sealing sheet 202, and preventing the cooling medium from leaking from these gaps. Due to the softness and elasticity of the second soft liquid bag 209, it can also adapt to small deformations caused by temperature changes or mechanical vibrations, thereby maintaining a long-term stable sealing effect. Moreover, when the first soft liquid bag 205 is squeezed, the second soft liquid bag 209 expands better, so when the sealing sheet 202 moves, the sealing effect can be improved.

[0064] Optionally, in a preferred embodiment, a first connecting plate 101 is integrally formed on the first end cover 100, and a first connecting hole 102 for connecting to the heat exchanger tank body is provided on the first connecting plate 101, and a second connecting plate 302 is integrally formed on the second end cover 300, and the first connecting plate 101 and the second connecting plate 302 are provided with symmetrical second connecting holes 103, and bolts 303 are connected in the second connecting holes 103.

[0065] The present invention also discloses a method for using a wide-channel detachable plate heat exchanger, which comprises the following steps:

[0066] S1: allowing a heat source to enter the heat exchanger, and a cooling medium to enter the heat exchange tube body and pass through a heat exchange area including a baffle unit;

[0067] S2: In the baffle unit, turbulence is generated for the cooling medium by the baffle structure provided with the first end cover 100 and the second end cover 300, so as to increase the contact area between the fluid and the heat transfer surface. The inner sides of the first end cover 100 and the second end cover 300 are respectively concave to form corresponding first grooves 106 and second grooves 306. The first grooves 106 and second grooves 306 fit together to form a complete cavity. The baffle unit also includes a rotating shaft 200 and an impeller 201 installed in the cavity, and a sealing sheet 202 sleeved on the radial outer periphery of the impeller 201. A baffle 204 is provided on the sealing sheet 202, and the sealing sheet 202 is sealedly connected with the first end cover 100 and the second end cover 300 through the second bearing assembly. By rotating the spoiler, the baffle 204 rotates between the first through groove 104 and the second through groove 301 to switch the passage.

[0068] S3: When the cooling medium flows in the baffle unit, it absorbs the heat transferred by the heat exchange tube body and reduces the temperature:;

[0069] S4: According to the coolant flow pressure, by adjusting the rotation state of the spoiler, the number and position of unobstructed channels in the deflector unit are dynamically adjusted to achieve more uniform heat exchange.

[0070] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wide-channel detachable plate heat exchanger, comprising a heat exchange tube body and a plurality of baffle units mounted on the heat exchange tube body, characterized in that: Each of the baffle units comprises A first end cover (100) and a second end cover (300), wherein the first end cover (100) and the second end cover (300) are respectively provided with a first through groove (104) and a second through groove (301), a cavity is formed between the first end cover (100) and the second end cover (300), and the first through groove (104) and the second through groove (301) are circumferentially distributed on the outer side of the cavity in a circumferential direction; A spoiler is rotatably mounted in the cavity, and the cooling medium enters the cavity through the heat exchange tube body and drives the spoiler to rotate; A sealing sheet (202) is sealingly connected to the connection between the first end cover (100) and the second end cover (300), and is connected to the output end of the spoiler; the sealing sheet (202) is provided with a blocking sheet (204) disposed between the first through groove (104) and the second through groove (301); when the sealing sheet (202) rotates through the spoiler, the blocking sheet (204) rotates between the first through groove (104) and the second through groove (301) to switch the passage; The inner sides of the first end cover (100) and the second end cover (300) are respectively concave to form a corresponding first groove (106) and a second groove (306), and the first groove (106) and the second groove (306) fit together to form a complete cavity. The first end cover (100) and the second end cover (300) are respectively provided with a first through hole (107) and a second through hole (305), and the heat exchange tube body comprises a first wide flow channel detachable plate heat exchanger (400) connected to the first through hole (107), and a second wide flow channel detachable plate heat exchanger (500) connected to the second through hole (305); The spoiler comprises a rotating shaft (200) and an impeller (201) mounted on the rotating shaft (200); a first mounting groove (108) and a second mounting groove (308) are respectively provided in the first groove (106) and the second groove (306); two ends of the rotating shaft (200) are connected to the first mounting groove (108) and the second mounting groove (308) via a first bearing assembly; the sealing sheet (202) is an annular sheet structure; the sealing sheet (202) is sleeved on the radial outer periphery of the impeller (201); the end of the impeller (201) is connected to the inner side of the sealing sheet (202); the sealing sheet (202) is sealedly connected to the first end cover (100) and the second end cover (300) via a second bearing assembly; The second bearing assembly comprises a first sealed bearing (105) installed in the first groove (106), and a second sealed bearing (304) installed in the second groove (306), and two side surfaces of the sealing sheet (202) are respectively sealedly connected to the inner rings of the first sealed bearing (105) and the second sealed bearing (304); A sealing ring (600) is connected between the sealing sheet (202) and the first sealing bearing (105) and the second sealing bearing (304); The sealing sheet (202) is provided with a first liquid cavity (206), the baffle (204) is provided with a second liquid cavity (207) connected to the first liquid cavity (206), a liquid inlet hole (208) is provided on the side of the sealing sheet (202) connected to the impeller (201), the first end cover (100) is connected with a first driving member (110), the second end cover (300) is connected with a second driving member (307), and first soft liquid bags (205) are provided on both sides of the baffle (204); when the sealing sheet (202) rotates, the first driving member (110) and the second driving member (307) squeeze the first soft liquid bag (205), and the liquid medium in the second liquid cavity (207) and the first liquid cavity (206) is discharged through the liquid inlet hole (208).

2. The wide channel detachable plate heat exchanger according to claim 1, characterized in that: The first bearing assembly comprises a first tapered roller bearing (109) connected to the first end cover (100), and a second tapered roller bearing (309) connected to the second end cover (300); a first mounting groove (108) is provided on the inner side of the first end cover (100), and the first tapered roller bearing (109) is embedded in the first mounting groove (108); a second mounting groove (308) is provided on the inner side of the second end cover (300), and the second tapered roller bearing (309) is embedded in the second mounting groove (308); and two ends of the rotating shaft (200) are fixedly connected to the inner rings of the first tapered roller bearing (109) and the second tapered roller bearing (309).

3. The wide channel detachable plate heat exchanger according to claim 1, characterized in that: A second soft liquid bag (209) is connected to both sides of the sealing sheet (202) near the sealing ring (600). When the cooling medium enters the first liquid cavity (206) from the liquid inlet hole (208), the second soft liquid bag (209) fits with the edge of the sealing ring (600) to seal the gap.

4. The wide-channel detachable plate heat exchanger according to claim 1, characterized in that: The first end cover (100) is integrally formed with a first connecting piece (101), and the first connecting piece (101) is provided with a first connecting hole (102) for connecting to a heat exchanger tank body; the second end cover (300) is integrally formed with a second connecting piece (302), and the first connecting piece (101) and the second connecting piece (302) are provided with symmetrical second connecting holes (103), and the second connecting holes (103) are connected with bolts (303).

5. A method for using a wide-channel detachable plate heat exchanger, comprising the wide-channel detachable plate heat exchanger according to claim 1, characterized in that: Use the following steps: S1: The heat source enters the heat exchanger, and the cooling medium enters the heat exchange tube body and passes through the heat exchange area including the baffle unit; S2: In the deflector unit, a deflector structure provided with a first end cover (100) and a second end cover (300) generates turbulence for the cooling medium, thereby increasing the contact area between the fluid and the heat transfer surface. The inner sides of the first end cover (100) and the second end cover (300) are respectively concave to form a corresponding first groove (106) and a second groove (306). The first groove (106) and the second groove (306) fit together to form a complete cavity. The deflector unit also includes a rotating shaft (200) and an impeller (201) installed in the cavity, and a sealing sheet (202) sleeved on the radial outer periphery of the impeller (201). A baffle (204) is provided on the sealing sheet (202), and the sealing sheet (202) is sealed and connected to the first end cover (100) and the second end cover (300) through a second bearing assembly. Through the rotation of the spoiler, the baffle (204) rotates between the first through groove (104) and the second through groove (301) to switch the passage. S3: When the cooling medium flows in the baffle unit, it absorbs the heat transferred by the heat exchange tube body and reduces the temperature; S4: According to the coolant flow pressure, by adjusting the rotation state of the spoiler, the number and position of the unobstructed channels in the deflector unit are dynamically adjusted to achieve more uniform heat exchange.

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