A uniformly heated heat exchanger with an anti-impact structure and a method of using the same

Abstract

The present invention discloses a uniformly heated heat exchanger with an anti-impact structure and a method of using the same, and belongs to the field of heat exchangers. A uniformly heated heat exchanger with an anti-impact structure comprises a heat exchanger body and a medium inlet installed on the top of the heat exchanger body, wherein the interior of the heat exchanger body is respectively provided with a heat exchange tube bundle and a baffle, wherein the heat exchange tube bundle runs through the interior of the baffle, and the baffle is fixed to the interior of the heat exchanger body, and further comprises: an anti-impact mechanism, which is arranged inside the heat exchanger body and located at the bottom of the medium inlet, and is used to uniformly disperse the hot fluid medium; a buffer mechanism; the present invention protects the heat exchange tube bundle at the hot fluid medium inlet of the heat exchanger, avoids the problem of uneven heat exchange in the heat transfer dead zone, and can automatically adjust the flow rate of the hot fluid to prevent unevenness caused by unstable flow rate, and further improves the stability and economic benefits of the system.

Description

Technical Field

[0001] The present invention relates to the technical field of heat exchangers, and in particular to a uniformly heated heat exchanger with an anti-impact structure and a use method thereof. Background Art

[0002] Heat exchangers are used to transfer heat between hot and cold fluids. They are devices that transfer part of the heat of hot fluids to cold fluids. They are also called heat exchangers. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used.

[0003] At the inlet of the hot fluid medium of the heat exchanger, a shielding protection device is often installed to prevent the hot fluid medium from directly flushing the heat exchange tube bundle.

[0004] At present, there are two designs of shielding devices commonly used in heat exchangers: the first design is to set a steel plate with a reinforced support between the hot fluid medium inlet and the heat exchange tube bundle (close to the heat exchange tube bundle), which is called an anti-collision baffle; the second design is to set 2~3 layers of staggered round steel rods between the hot fluid medium inlet and the heat exchange tube bundle (close to the heat exchange tube bundle), which is called an anti-collision baffle;

[0005] However, the first anti-impact baffle structure will cause the hot fluid medium to form a certain "dead zone" below the baffle when entering the shell, resulting in uneven heating of the heat exchange tube bundle directly below the anti-impact baffle, which will not only cause certain thermal stress in the heat exchange tube bundle, but also affect the heat transfer to a certain extent. Therefore, it is necessary to solve the problem of uneven medium flow in the anti-impact baffle area at the inlet of the hot fluid medium of the heat exchanger;

[0006] The second anti-collision rod structure can effectively alleviate the "dead zone" phenomenon formed by the hot fluid medium at the bottom of the anti-collision baffle. However, since the two ends of the anti-collision rod are fixed between the two baffles or support plates and fastened by double-head machined threads and nuts, it is necessary to drill holes in the baffles or support plates, and to process threaded sections at both ends of each anti-collision rod. This will greatly increase the processing and assembly time, which is time-consuming and has poor economic efficiency. In addition, since it is fixed with a bolt structure, under the long-term back and forth impact of the hot fluid medium, vibration is generated between the anti-collision rod and the baffle tube hole, the nut is easy to loosen, and the tube hole produces a shearing effect on the anti-collision rod. Summary of the invention

[0007] The purpose of the present invention is to solve the problems of dead zone, uneven heat exchange and the like formed by the anti-impact structure in the prior art, and to propose a uniformly heated heat exchanger with an anti-impact structure.

[0008] In order to achieve the above object, the present invention adopts the following technical solutions:

[0009] A uniformly heated heat exchanger with an anti-collision structure comprises a heat exchanger body and a medium inlet installed on the top of the heat exchanger body, wherein a heat exchange tube bundle and a baffle are respectively arranged inside the heat exchanger body, wherein the heat exchange tube bundle passes through the inside of the baffle, and the baffle is fixed inside the heat exchanger body, and further comprises: an anti-collision mechanism arranged inside the heat exchanger body and located at the bottom of the medium inlet for uniformly dispersing a hot fluid medium; a buffer mechanism arranged inside the medium inlet for buffering the hot fluid medium; and an adjustment mechanism arranged inside the heat exchanger body for automatically adjusting the output of the hot fluid medium.

[0010] Preferably, the anti-collision mechanism includes a plurality of L-shaped plates and W-shaped plates fixed inside the heat exchanger body, the surfaces of the L-shaped plates and the W-shaped plates are fixedly connected with a plurality of pads, the tops of the pads are fixedly connected with V-shaped plates, and the spacing between the plurality of pads forms a strip groove.

[0011] Preferably, the buffer mechanism comprises a support frame fixed inside the medium inlet, the middle part of the support frame is rotatably connected to a conical rotating shaft through a bearing, the bottom of the conical rotating shaft is fixedly connected to a fan blade, and the top of the conical rotating shaft is penetrated and connected to a buffer plate.

[0012] Preferably, the adjustment mechanism includes an extrusion assembly arranged between the support frame and the buffer plate, the surface of the extrusion assembly is rotatably connected to a linkage assembly, the end of the linkage assembly is connected to a connecting rod, the bottom of the connecting rod is fixedly connected to a sliding rod, and the end of the sliding rod passes through the V-shaped plate and is fixedly connected to a conical block.

[0013] Preferably, the extrusion assembly includes a positioning cylinder fixed on the top of the support frame, the interior of the positioning cylinder is slidably connected with a movable rack, the top of the movable rack is fixed on the bottom of the buffer plate, the surface of the movable rack is meshingly connected with a connecting gear, and the connecting gear is fixed on the end of the linkage assembly.

[0014] Preferably, the linkage assembly includes a connecting pipe connected between the heat exchanger body and the medium inlet, the interior of the connecting pipe is rotatably connected to a rotating shaft through a bearing, one end of the rotating shaft is fixed to the surface of the connecting gear, the other end of the rotating shaft is fixedly connected to a winding disk, the surface of the winding disk is rotatably connected to a winding rope, and the end of the winding rope is connected to the connecting rod.

[0015] Preferably, a return spring is fixedly connected to the top of the positioning cylinder, and an end of the return spring is fixedly connected to the bottom of the buffer plate.

[0016] Preferably, the bottom of the ends of the L-shaped plate and the W-shaped plate are fixedly connected with two supporting steel strips, and the ends of the two supporting steel strips are respectively fixedly connected to the heat exchanger body and the inner wall of the baffle.

[0017] A method for using a uniformly heated heat exchanger with an anti-impact structure mainly comprises the following steps:

[0018] S1. First, the medium inlet is used to connect the pipeline of the hot fluid, and then the hot fluid is transported into the heat exchanger body through the medium inlet, so that it can exchange heat with the heat exchange tube bundle inside the heat exchanger body. Under the action of the baffle, the hot fluid medium flow process can be disturbed, so as to promote the generation of local eddy currents, thereby slowing down the flow speed of the heat exchange medium and promoting full heat exchange between the two heat exchange media;

[0019] S2. When the hot fluid enters the medium inlet, the buffer mechanism is first set to change the flow direction of the hot fluid medium, so that the hot fluid can flow more evenly around downwards and be transported to the surface of the anti-collision mechanism. Then, under the action of the anti-collision mechanism, the hot fluid medium can be dispersed and buffered, thereby increasing the number of turbulent flows of the hot fluid medium, thereby more evenly transporting the hot fluid medium to the surface of the heat exchange tube bundle, thereby enhancing the heat exchange effect of the heat exchange tube bundle, and under the setting of the regulating mechanism, the size of the hot fluid medium of the anti-collision mechanism can be changed to prevent the problem of too large a flow rate due to too fast a flow rate;

[0020] S3. When the anti-collision mechanism is working, it is connected into a whole through the intermittently arranged L-shaped plates, W-shaped plates, pads, and V-shaped plates. Since the pads are also intermittently arranged, multiple strip grooves are formed between the pads and the L-shaped plates and W-shaped plates. This form is not only relatively simple in structure and easy to install, but also achieves protection of the heat exchange tube bundle while avoiding the problem of heat transfer dead zones, increasing the turbulence effect, making the heat exchange more uniform, and strengthening the heat exchange.

[0021] Compared with the prior art, the present invention provides a uniformly heated heat exchanger with an anti-impact structure, which has the following beneficial effects:

[0022] 1. The uniformly heated heat exchanger with an anti-impact structure, through the cooperation between the L-shaped plate, the W-shaped plate, the pad, the V-shaped plate and the strip groove, enhances the disturbance of the hot fluid medium entering the heat exchanger shell under the anti-impact structure of multiple band combinations. Through this arrangement, the heat exchange tube bundle is protected at the inlet of the hot fluid medium of the heat exchanger, avoiding the problem of uneven heat exchange in the heat transfer dead zone, and further improving the stability and economic benefits of the system.

[0023] 2. The uniformly heated heat exchanger with an anti-impact structure can limit the speed by its own friction force when the flow rate of the hot fluid medium is too large through the cooperation between the support frame, the conical rotating shaft, the fan blades and the buffer plate. Through this setting, the flow rate of the hot fluid can be automatically adjusted to prevent uneven problems caused by unstable flow, thereby further improving the stability of the hot fluid.

[0024] 3. The uniformly heated heat exchanger with an anti-impact structure can simultaneously drive the conical block to move upward when the buffer plate is adjusted downward through the cooperation between the extrusion component, the linkage component, the connecting rod and the sliding rod. Through this setting, the output size of the hot fluid can be adjusted to avoid the problem of excessive output due to excessive flow rate, and further ensure the stability of the output.

[0025] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention protects the heat exchange tube bundle at the inlet of the hot fluid medium of the heat exchanger, avoids the problem of uneven heat exchange in the heat transfer dead zone, and can automatically adjust the flow rate of the hot fluid to prevent uneven problems caused by unstable flow, thereby further improving the stability and economic benefits of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention;

[0027] Figure 2 A schematic diagram of the anti-collision mechanism structure of a uniformly heated heat exchanger with an anti-collision structure proposed by the present invention;

[0028] Figure 3 This is a schematic diagram of the front structure of a supporting steel strip of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention;

[0029] Figure 4 A schematic diagram of a top view of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention;

[0030] Figure 5 This is a schematic diagram of the AA cross-section structure of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention;

[0031] Figure 6 A uniformly heated heat exchanger with an anti-impact structure proposed by the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0032] Figure 7 A schematic diagram of the structure of an extrusion assembly of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention;

[0033] Figure 8 This is a schematic diagram of the linkage assembly structure of a uniformly heated heat exchanger with an anti-impact structure proposed by the present invention.

[0034] In the figure: 1. heat exchanger body; 2. medium inlet; 3. heat exchange tube bundle; 4. baffle; 5. anti-collision mechanism; 51. L-shaped plate; 52. W-shaped plate; 53. pad; 54. V-shaped plate; 55. strip groove; 56. supporting steel plate strip; 6. buffer mechanism; 61. support frame; 62. conical rotating shaft; 63. fan blade; 64. buffer plate; 7. adjustment mechanism; 71. extrusion assembly; 711. positioning cylinder; 712. moving rack; 713. connecting gear; 714. reset spring; 72. linkage assembly; 721. connecting pipe; 722. rotating shaft; 723. winding disk; 724. winding rope; 73. connecting rod; 74. sliding rod; 75. conical blocking block. DETAILED DESCRIPTION

[0035] 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.

[0036] 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.

[0037] In one embodiment, referring to Figure 1-Figure 8 A uniformly heated heat exchanger with an anti-collision structure comprises a heat exchanger body 1 and a medium inlet 2 installed on the top of the heat exchanger body 1. A heat exchange tube bundle 3 and a baffle 4 are respectively arranged inside the heat exchanger body 1. The heat exchange tube bundle 3 runs through the inside of the baffle 4, and the baffle 4 is fixed inside the heat exchanger body 1. It also includes: an anti-collision mechanism 5, which is arranged inside the heat exchanger body 1 and located at the bottom of the medium inlet 2, for uniformly dispersing the hot fluid medium; a buffer mechanism 6, which is arranged inside the medium inlet 2, for buffering the hot fluid medium: an adjustment mechanism 7, which is arranged inside the heat exchanger body 1, for automatically adjusting the output of the hot fluid medium.

[0038] By adopting such a solution, when the hot fluid medium enters the heat exchanger body 1, the hot fluid medium can be buffered and dispersed to prevent the hot fluid medium from directly washing the heat exchange tube bundle 3, thereby playing an anti-shielding protection role.

[0039] During specific operation, the hot fluid is transported into the heat exchanger body 1 through the medium inlet 2, so that it can exchange heat with the heat exchange tube bundle 3 inside the heat exchanger body 1. Under the action of the baffle 4, the flow speed of the heat exchange medium can be slowed down, and the heat exchange efficiency of the heat exchange tube bundle 3 inside the heat exchanger body 1 can be promoted. Under the setting of the anti-collision mechanism 5, the hot fluid medium can be dispersed and buffered, thereby increasing the number of turbulence of the hot fluid medium, so as to more evenly transport the hot fluid medium to the surface of the heat exchange tube bundle 3. Under the setting of the buffer mechanism 6, when the amount of hot fluid medium is too large, the hot fluid medium delivery flow rate can be slowed down to play a protective role, and in conjunction with the adjustment mechanism 7, the flow caliber of the anti-collision mechanism 5 can be changed to make its flow output more stable.

[0040] In one embodiment, referring to Figure 2 and Figure 3 The anti-collision mechanism 5 includes a plurality of L-shaped plates 51 and W-shaped plates 52 fixed inside the heat exchanger body 1, a plurality of pads 53 are fixedly connected to the surfaces of the L-shaped plates 51 and the W-shaped plates 52, a V-shaped plate 54 is fixedly connected to the top of the pads 53, and a strip groove 55 is formed between the spacings of the plurality of pads 53. Two supporting steel strips 56 are fixedly connected to the bottoms of the ends of the L-shaped plates 51 and the W-shaped plates 52, and the ends of the two supporting steel strips 56 are fixedly connected to the heat exchanger body 1 and the inner wall of the baffle 4, respectively.

[0041] By adopting such a scheme, the L-shaped plate 51, the W-shaped plate 52, the spacer 53, and the V-shaped plate 54 are connected into a whole by being arranged intermittently. Since the spacer 53 is also arranged intermittently, a plurality of strip grooves 55 are formed between the spacer 53 and the L-shaped plate 51 and the W-shaped plate 52. This form is not only relatively simple in structure and easy to install, but also achieves the protection of the heat exchange tube bundle 3 while avoiding the problem of heat transfer dead zone, increasing the turbulence effect, making the heat exchange more uniform, and strengthening the heat exchange.

[0042] During specific operation, the L-shaped plate 51, W-shaped plate 52, gasket 53, and V-shaped plate 54 are first connected into a whole through intermittent arrangement and installed inside the heat exchanger body 1, and are located below the medium inlet 2, so that when the hot fluid passes through the surface of the anti-collision mechanism 5, the hot fluid medium is dispersed through the V-shaped plate 54, and then a plurality of strip grooves 55 are formed through the gasket 53 on the L-shaped plate 51 and the W-shaped plate 52, so that the hot fluid medium is evenly dispersed and flows into the heat exchange tube bundle 3 again, and the problem of heat transfer dead zone can be avoided, and the turbulence effect can be increased. Under the setting of the supporting steel plate strip 56, the axial rigidity of the L-shaped plate 51 and the W-shaped plate 52 inside the heat exchanger body 1 is enhanced, so that the anti-collision mechanism 5 becomes more stable and reliable.

[0043] In one embodiment, reference Figure 4 , Figure 5 , Figure 6 The buffer mechanism 6 includes a support frame 61 fixed inside the medium inlet 2, a conical rotating shaft 62 is rotatably connected to the middle part of the support frame 61 through a bearing, a fan blade 63 is fixedly connected to the bottom of the conical rotating shaft 62, and a buffer plate 64 is penetrated and connected to the top of the conical rotating shaft 62.

[0044] By adopting such a scheme, under the setting of the buffer mechanism 6, when the hot fluid medium at the medium inlet 2 enters, the fan blade 63 that can fix the conical rotating shaft 62 rotates, and the fan blade 63 can guide and transport the hot fluid at the medium inlet 2 under the rotation of the fan blade 63, and at the same time can change the flow direction of the hot fluid medium, so that the hot fluid medium can be more evenly dispersed downward to circulate around, so as to evenly flow the hot fluid medium into the surface of the anti-collision mechanism 5. When the amount of hot fluid medium is too large, the buffer plate 64 will be moved downward, so that the buffer plate 64 and the conical rotating shaft 62 are closely fitted. Since the closer the fit, the greater the friction, the rotation speed of the fan blade 63 is reduced to avoid the fan blade 63 rotating faster when the flow is too large, which causes the hot fluid medium flow to flow to the surface of the heat exchange tube bundle 3 unstably and faster. When the amount of hot fluid medium is too small, the buffer plate 64 will be reset, so that the buffer plate 64 will not be closely fitted to the surface of the conical rotating shaft 62, so that there will be no friction, and the rotation speed of the fan blade 63 will not be affected.

[0045] During specific operation, the support frame 61 is first used to connect the conical rotating shaft 62, and then the conical rotating shaft 62 is used to connect the fan blades 63, and the buffer plate 64 penetrates the surface of the conical rotating shaft 62. When the hot fluid medium enters the inside of the medium inlet 2, it will flow into the surface of the fan blades 63 through the holes opened on the surface of the buffer plate 64, so that the fan blades 63 rotate, thereby dispersing the hot fluid medium downward.

[0046] When the hot fluid medium is too large, the buffer plate 64 will be moved downward. Since the surface of the conical rotating shaft 62 is set in a conical shape, the larger the downward movement distance of the buffer plate 64, the greater the friction between the buffer plate 64 and the surface of the conical rotating shaft 62, thereby reducing the rotation speed of the fan blade 63. When the hot fluid medium is too small, the sliding rod 74 can be automatically reset under the action of the adjusting mechanism 7 to facilitate reciprocating work.

[0047] In one embodiment, reference Figure 7 and Figure 8 The adjustment mechanism 7 includes an extrusion assembly 71 arranged between the support frame 61 and the buffer plate 64. The surface of the extrusion assembly 71 is rotatably connected with a linkage assembly 72. The end of the linkage assembly 72 is connected with a connecting rod 73. The bottom of the connecting rod 73 is fixedly connected with a sliding rod 74. The end of the sliding rod 74 passes through the V-shaped plate 54 and is fixedly connected with a conical block 75.

[0048] By adopting such a scheme, the adjusting mechanism 7 is set so that when the buffer mechanism 6 is driven downward, the adjusting mechanism 7 can be automatically driven to change the output diameter of the anti-collision mechanism 5, thereby further stabilizing the output efficiency of the hot fluid medium.

[0049] During specific operation, the extrusion component 71 is first installed on the support frame 61 and connected to the bottom of the buffer plate 64, so that when the buffer plate 64 moves downward, the extrusion component 71 can be synchronously extruded downward, and the linkage component 72 can be driven during the extrusion process of the extrusion component 71. When the linkage component 72 is driven, the connecting rod 73 can be moved upward. The upward movement of the connecting rod 73 can synchronously drive the conical block 75 fixed by the sliding rod 74 to move upward. By reducing the diameter between the conical block 75 and the L-shaped plate 51, it can change the flow rate of the hot fluid medium, and further automatically adjust the output stability of the hot fluid medium.

[0050] In one embodiment, reference Figure 7 and Figure 8 The extrusion assembly 71 includes a positioning cylinder 711 fixed on the top of the support frame 61, and a moving rack 712 is slidably connected inside the positioning cylinder 711. The top of the moving rack 712 is fixed to the bottom of the buffer plate 64, and the surface of the moving rack 712 is meshingly connected with a connecting gear 713, and the connecting gear 713 is fixed to the end of the linkage assembly 72. The linkage assembly 72 includes a connecting pipe 721 connected between the heat exchanger body 1 and the medium inlet 2, and the interior of the connecting pipe 721 is rotatably connected with a rotating shaft 722 through a bearing, one end of the rotating shaft 722 is fixed to the surface of the connecting gear 713, and the other end of the rotating shaft 722 is fixedly connected to a winding disk 723, and the surface of the winding disk 723 is rotatably connected with a winding rope 724, and the end of the winding rope 724 is connected to the connecting rod 73. A return spring 714 is fixedly connected to the top of the positioning cylinder 711, and the end of the return spring 714 is fixedly connected to the bottom of the buffer plate 64.

[0051] By adopting such a scheme, when the extrusion component 71 is compressed, the linkage component 72 can be automatically driven, so that during the driving process of the linkage component 72, the connecting rod 73 can be moved upward, thereby changing the caliber of the output of the anti-collision mechanism 5, so as to avoid the problem of excessive output of the hot fluid due to excessive flow rate.

[0052] When the movable rack 712 is lowered, the movable rack 712 will be automatically lowered in the positioning cylinder 711. During the lowering process of the movable rack 712, the connecting gear 713 will rotate. When the connecting gear 713 rotates, the rotating shaft 722 will be driven to rotate synchronously. During the rotation of the rotating shaft 722, the winding disc 723 will be rotated synchronously, so as to wind the winding rope 724 upward. Since the end of the winding rope 724 is connected to the connecting rod 73, the connecting rod 73 will be driven to move upward synchronously. Under the setting of the connecting tube 721, it can support the rotating shaft 722 and avoid problems such as gas loss. Under the spring action of the reset spring 714, it can support the bottom of the buffer plate 64, so that the buffer plate 64 can be automatically reset to its original position without pressure on the top of the buffer plate 64.

[0053] 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 uniformly heated heat exchanger with an anti-impact structure, comprising a heat exchanger body (1), and a medium inlet (2) installed on the top of the heat exchanger body (1), wherein a heat exchange tube bundle (3) and a baffle (4) are respectively arranged inside the heat exchanger body (1), wherein the heat exchange tube bundle (3) passes through the inside of the baffle (4), and the baffle (4) is fixed inside the heat exchanger body (1), characterized in that: Also includes: An anti-collision mechanism (5) is arranged inside the heat exchanger body (1) and located at the bottom of the medium inlet (2) to evenly disperse the hot fluid medium; The anti-collision mechanism (5) comprises a plurality of L-shaped plates (51) and W-shaped plates (52) fixed inside the heat exchanger body (1); a plurality of cushion blocks (53) are fixedly connected to the surfaces of the L-shaped plates (51) and the W-shaped plates (52); a V-shaped plate (54) is fixedly connected to the top of the cushion blocks (53); and strip grooves (55) are formed at intervals between the plurality of cushion blocks (53). The buffer mechanism (6) is arranged inside the medium inlet (2) and is used to perform a buffering operation on the hot fluid medium: The buffer mechanism (6) comprises a support frame (61) fixed inside the medium inlet (2); a conical rotating shaft (62) is rotatably connected to the middle portion of the support frame (61) via a bearing; a fan blade (63) is fixedly connected to the bottom of the conical rotating shaft (62); and a buffer plate (64) is penetrated and connected to the top of the conical rotating shaft (62). An adjustment mechanism (7) is arranged inside the heat exchanger body (1) and is used to automatically adjust the output of the hot fluid medium; The adjustment mechanism (7) comprises an extrusion assembly (71) arranged between a support frame (61) and a buffer plate (64); a surface of the extrusion assembly (71) is rotatably connected to a linkage assembly (72); an end of the linkage assembly (72) is connected to a connecting rod (73); a bottom of the connecting rod (73) is fixedly connected to a sliding rod (74); an end of the sliding rod (74) passes through the V-shaped plate (54) and is fixedly connected to a conical block (75); the extrusion assembly (71) comprises a positioning cylinder (711) fixed to the top of the support frame (61); a movable rack (712) is slidably connected to the interior of the positioning cylinder (711); a top of the movable rack (712) is fixed to the bottom of the buffer plate (64); a surface of the movable rack (712) is meshingly connected to a connecting gear (71 3), the connecting gear (713) is fixed to the end of the linkage assembly (72), the linkage assembly (72) comprises a connecting pipe (721) connected between the heat exchanger body (1) and the medium inlet (2), the interior of the connecting pipe (721) is rotatably connected to a rotating shaft (722) via a bearing, one end of the rotating shaft (722) is fixed to the surface of the connecting gear (713), the other end of the rotating shaft (722) is fixedly connected to a winding disk (723), the surface of the winding disk (723) is rotatably connected to a winding rope (724), the end of the winding rope (724) is connected to the connecting rod (73), the top of the positioning cylinder (711) is fixedly connected to a return spring (714), the end of the return spring (714) is fixedly connected to the bottom of the buffer plate (64); First, a pipeline for connecting a hot fluid is used through a medium inlet (2), and then the hot fluid is transported into the heat exchanger body (1) through the medium inlet (2). Heat is exchanged in a heat exchange tube bundle (3) inside the heat exchanger body (1). Under the action of the baffle (4), the generation of local eddies is promoted, thereby slowing down the flow speed of the heat exchange medium and promoting sufficient heat exchange between the two heat exchange media. When the hot fluid enters the medium inlet (2), the buffer mechanism (6) is first set to change the flow direction of the hot fluid medium so that the hot fluid can flow more evenly downward and around, thereby being transported to the surface of the anti-collision mechanism (5). Then, under the action of the anti-collision mechanism (5), the hot fluid medium is dispersed and buffered, thereby increasing the degree of turbulence of the hot fluid medium, thereby more evenly transporting the hot fluid medium to the surface of the heat exchange tube bundle (3), thereby enhancing the heat exchange effect of the heat exchange tube bundle (3). Under the setting of the regulating mechanism (7), the flow rate of the hot fluid medium in the anti-collision mechanism (5) can be changed to prevent the flow rate from being too large due to too fast a flow rate. When the anti-collision mechanism (5) is working, the L-shaped plate (51), the W-shaped plate (52), the cushion block (53), and the V-shaped plate (54) are connected into a whole by being arranged intermittently. Since the cushion block (53) is also arranged intermittently, a plurality of strip grooves (55) are formed between the cushion block (53) and the L-shaped plate (51) and the W-shaped plate (52). This form is not only relatively simple in structure and easy to install, but also achieves the protection of the heat exchange tube bundle (3) while avoiding the problem of heat transfer dead zone, thereby increasing the turbulence effect, making the heat exchange more uniform, and strengthening the heat exchange.

2. The uniformly heated heat exchanger with an anti-impact structure according to claim 1, characterized in that: The bottom ends of the L-shaped plate (51) and the W-shaped plate (52) are fixedly connected to two supporting steel strips (56), and the ends of the two supporting steel strips (56) are respectively fixedly connected to the heat exchanger body (1) and the inner wall of the baffle plate (4).

Images