CN111366016A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN111366016A CN111366016A CN202010325246.1A CN202010325246A CN111366016A CN 111366016 A CN111366016 A CN 111366016A CN 202010325246 A CN202010325246 A CN 202010325246A CN 111366016 A CN111366016 A CN 111366016A
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- Prior art keywords
- heat exchange
- heat
- heat exchanger
- shell
- backup pad
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
Abstract
The invention provides a heat exchanger, and relates to the technical field of heat exchange. The heat exchanger provided by the invention can be used for cooling and heat exchange of materials and can also be used for heating the materials. Set up the backup pad on hot exchange pipe, realize the joint to hot exchange pipe through the recess of array in the backup pad, the pitch arc of recess can embrace hot exchange pipe's outer wall, and two liang of recesses that set up relatively surround hot exchange pipe and embrace to support hot exchange pipe in the vertical direction, make hot exchange pipe can not take place to buckle because of the pipe overlength. The end part of the supporting plate is fixedly connected with the cross beam, so that the supporting plate can be positioned in a firm vertical direction, the positioning of the heat exchange tube in the vertical direction is further ensured, the heat exchange tube is prevented from being bent in a downward supporting mode, and deformation and cracks cannot be generated between the heat exchange tube and the shell.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchanger.
Background
In the actual use process of the heat exchange device with the publication number of CN206772109U, because the length of the straight section of the heat exchange tube is longer, the middle part of the straight section of the heat exchange tube is often bent downwards, and when the straight section of the heat exchange tube is bent to a certain degree, a shell connected with the heat exchange tube is cracked and leaks air; in addition, the direction of the bending deformation of the heat exchange tube is inconsistent, so that the material can fall unsmoothly, the material blockage phenomenon occurs, and the repairing difficulty is high.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The object of the present invention is to provide a heat exchanger to solve the above technical problems.
The invention is realized by the following steps:
a heat exchanger comprises a shell, a heat exchange unit is arranged in the shell and comprises a heat exchange pipe, supporting component and crossbeam, hot exchange pipe's figure is a plurality of, the crossbeam runs through the casing, supporting component includes multiunit backup pad and a plurality of connecting plate, every group backup pad comprises many pairs of backup pads, the tip and the crossbeam fixed connection of every backup pad, the array has the recess that is used for joint hot exchange pipe in every backup pad, every hot exchange pipe is all surrounded through two double-phase opposite recess of setting by two backup pads about heat exchange pipe central symmetry, two double-phase opposite two backup pads of setting form a pair of backup pad, every group backup pad correspondence sets up on a hot exchange pipe, the connecting plate combines firmly satisfying every hot exchange pipe in pairs with multiunit backup pad fixed connection in proper order to make a plurality of pairs of backup pads combine firmly and keep unanimous height.
The heat exchange tube is provided with the supporting plate, the heat exchange tube is clamped through the grooves arrayed in the supporting plate, the arc lines of the grooves can hold the outer wall of the heat exchange tube, and the grooves arranged in pairs oppositely surround the heat exchange tube, so that the heat exchange tube is supported in the vertical direction, and the heat exchange tube cannot be bent due to overlong tubes. In order to ensure the clamping state of the supporting plate and the heat exchange tubes and prevent the heat exchange tubes from sliding down the sliding grooves, a connecting plate is arranged on one side of the supporting plate to limit the height of the heat exchange tubes in the vertical direction, and the height of the heat exchange tubes in the vertical direction is kept consistent.
The connecting plate is used for fixedly connecting the supporting plates in sequence, so that the heights of the supporting plates at the same height are unchanged.
The end part of the supporting plate is fixedly connected with the cross beam, so that the supporting plate can be positioned in a firm vertical direction, the positioning of the heat exchange tube in the vertical direction is further ensured, the heat exchange tube is prevented from being bent in a downward supporting mode, and deformation and cracks cannot be generated between the heat exchange tube and the shell.
In a preferred embodiment of the invention, a plurality of heat exchange medium inlets and a plurality of heat exchange medium outlets are formed in the periphery of the shell, two ends of each heat exchange tube are respectively connected with the heat exchange medium inlets and the heat exchange medium outlets, each heat exchange tube comprises a plurality of U-shaped turning sections and a plurality of horizontal sections, each horizontal section is arranged in the grooves of the support plates which are arranged in pairs in an opposite mode, each connecting plate is fixedly connected with the side faces of the grooves of the two support plates which are symmetrical about the center of the heat exchange tube, and each connecting plate is fixedly connected with the support plates in series on the same horizontal line.
In one embodiment, each heat exchange tube is provided with a separate heat exchange medium inlet and heat exchange medium outlet. Each heat exchange tube consists of a plurality of U-shaped turn-back sections and a plurality of horizontal sections, and two ends of each U-shaped turn-back section are connected with the horizontal sections. When the heat exchange device is used, a heat exchange medium is introduced into the heat exchange tubes from the heat exchange medium inlet, passes through the plurality of U-shaped turn-back sections and the horizontal sections and is led out from the heat exchange medium outlet, so that heat exchange is realized.
The heat exchange medium can be water or gas. The water can be cold water or hot water; the gas may be a hot gas or a cooling gas.
Therefore, the heat exchanger provided by the invention can be used for cooling and heat exchanging of materials and can also be used for heating the materials. The heat exchange medium inlet can be used for water inlet and hot gas inlet, and similarly, the heat exchange medium outlet can be a water outlet (a smoke outlet) or a waste gas outlet.
Through the recess joint that sets up a plurality of horizontal segments and backup pad, can carry out the position correction to the horizontal segment in vertical direction, guarantee that the horizontal segment keeps straight relatively, prevent that the horizontal segment from warp the extension under self action of gravity.
In a preferred embodiment of the invention, the radius of the groove is greater than the outer radius of the heat exchanger tube.
Therefore, the heat exchange tube can be smoothly clamped with the groove, and a certain space can be reserved for expansion with heat and contraction with cold of the heat exchange tube.
In the preferred embodiment of the present invention, the pairs of support plates on each heat exchange tube are arranged symmetrically about the axis of the heat exchange tube.
The support plates are uniformly distributed on the heat exchange tube, and at least one pair of support plates are spatially and symmetrically distributed about the heat exchange tube axis. The horizontal section can be guaranteed to be kept at the designed position through the arrangement, uniform supporting force can be given to the horizontal section through the axisymmetric distribution, the horizontal section is prevented from being bent and deformed, and meanwhile, the acting force of the heat exchange tube on the shell is also reduced.
In one embodiment, the support plate is plate-shaped and the connection plate is prism-shaped. The relative horizontal positions between the horizontal sections can be kept consistent by arranging a plurality of connecting plates, and the connecting plates and the supporting plates are preferably perpendicular to each other in space.
In a preferred embodiment of the present invention, the cross beam is a hollow square tube or a welded plate, the periphery of the cross beam is provided with a refractory material, the top of the cross beam is provided with a slope ridge protruding from the middle and having two lower sides, and the slope ridge is filled with the refractory material.
The crossbeam sets up to hollow structure in order to be favorable to leading to cooling medium in the cavity of crossbeam, lets in from the one end of crossbeam, and the other end is derived. Preferably, the cooling medium is cooling air. The hollow structure is introduced with cooling medium, so that the temperature of the cross beam can be reduced, and the rigidity and the strength of the cross beam are reduced as much as possible.
Two facades of the square pipe or two facades of the four welding plates have stronger bending strength, and the straightness of the cross beam is easy to keep.
The periphery of the beam is wrapped with refractory material. The periphery is wrapped with refractory materials, which is beneficial to heat insulation and ensures that the rigidity and the strength of the beam are reduced less.
The slope ridge is favorable for falling of materials, prevents the materials from being retained on the beam, and particularly reduces coke deposition or coking on the cross beam in the aspect of coal pyrolysis.
The refractory material can be carbon composite refractory material, zirconium refractory material, magnesium calcium material, aluminum magnesium material, magnesium silicon material, corundum material, aluminum silicate material or special refractory material.
In a preferred embodiment of the present invention, the cross beams include upper cross beams and/or lower cross beams, the number of the upper cross beams is equal to the number of the support plates, and the number of the lower cross beams is equal to the number of the support plates; the upper cross beam is arranged above the heat exchange tube, the lower cross beam is arranged below the heat exchange tube, and the upper cross beam and/or the lower cross beam are fixedly connected with the supporting plate.
Set up entablature and bottom end support to backup pad top and bottom respectively simultaneously, can make the horizontal segment keep at the design position more easily, prevent that horizontal segment self gravity from making the backup pad warp the extension, also can guarantee that the horizontal segment does not take place the bending, also is favorable to reducing the effort of heat exchange tube to the casing, lifting means's reliability.
In other embodiments, only the upper cross member may be left to fix the top end of the support plate. The number of the upper cross beams and/or the lower cross beams can be adaptively increased or deleted according to the support requirement of the actual heat exchange tube, and at least two cross beams are arranged for ensuring the support balance. The housing itself is not load bearing.
In a preferred embodiment of the present invention, the upper beam and/or the lower beam is provided with a heat insulation mastic at a penetrating portion of the housing.
The penetrating position is provided with the heat insulation daub, which is not only beneficial to heat insulation, but also beneficial to reducing the gap between the beam and the shell.
In a preferred embodiment of the present invention, first expansion sealing joints are disposed between the heat exchange medium inlet and the heat exchange medium outlet and between the heat exchange medium inlet and the housing.
The first expansion sealing joint is arranged to meet the requirements of expansion and contraction of the heat exchange tube and ensure the sealing between the heat exchange tube and the shell.
In a preferred embodiment of the present invention, the heat exchanger further includes a support disposed outside the housing, two ends of the beam are supported on the support, the beam can slide on the support, and a second expansion sealing joint is disposed between the housing and the beam outside the housing, so that the housing and the beam can move relatively.
The setting of second expansion seal festival both had been in order to satisfy the expend with heat and contract with cold of crossbeam, in order to guarantee the sealed between crossbeam and the casing simultaneously.
In other embodiments, both ends of the upper beam are supported on and slidable on the brackets, and both ends of the lower beam are supported on and slidable on the brackets.
The support is arranged for bearing the cross beam and the heat exchange tube connected with the cross beam, and for the cross beam and the support to slide relatively when being subjected to cold expansion and heat shrinkage.
In a preferred embodiment of the present invention, the top and the bottom of the housing are respectively provided with a feeding port and a discharging port, and the housing has a three-layer structure, wherein the inner layer is a stainless steel plate, the outer layer is a carbon steel plate, and the middle is a heat insulation layer.
When the heat exchanger is used, materials are fed from the feeding hole at the top of the shell and discharged from the discharging hole at the bottom of the shell, heat exchange of the materials is realized in the shell, and a heat insulating layer is arranged in the middle of materials forming the shell, so that heat transfer in the shell and outside the shell can be effectively isolated.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a heat exchanger, which realizes heat exchange of materials through a heat exchange unit. Set up the backup pad on heat exchange pipe, the backup pad is about regarding to heat exchange tube centrosymmetric, realizes heat exchange pipe's joint through the recess of array in the backup pad, and heat exchange pipe's outer wall can be embraced to the pitch arc of recess, and two liang of recesses that set up relatively surround heat exchange pipe and embrace to support heat exchange pipe in the vertical direction, make heat exchange pipe can not take place to buckle because of the pipe overlength. In order to guarantee the clamping state of backup pad and hot exchange pipe, prevent hot exchange pipe landing spout, the inventor sets up the connecting plate in one side of backup pad, and the connecting plate is fixed connection in proper order with multiunit backup pad to highly injecing a plurality of hot exchange pipe vertical direction, keep a plurality of hot exchange pipe vertical direction to keep unanimous height. The end part of the supporting plate is fixedly connected with the cross beam, so that the supporting plate can be positioned in a firm vertical direction, the positioning of the heat exchange tube in the vertical direction is further ensured, the heat exchange tube is prevented from being bent in a downward supporting mode, and deformation and cracks cannot be generated between the heat exchange tube and the shell.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a main schematic view of a heat exchanger provided in example 1;
FIG. 2 is a left side schematic view of FIG. 1;
FIG. 3 is a single-piece schematic view of a support plate;
FIG. 4 is a schematic view of a support plate embracing a heat exchange tube;
FIG. 5 is a main schematic view of a heat exchanger provided in example 2;
fig. 6 is a left side schematic view of fig. 5.
Icon: 1-a shell; 2-a heat exchange tube; 21-U-shaped turn-back section; 22-horizontal section; 3-a feed inlet; 4-a discharge hole; 5-heat exchange medium inlet; 6-heat exchange medium outlet; 7-a support plate; 71-support plate top end; 72-support plate bottom end; 73-grooves; 8-upper beam; 81-vertical plate; 82-a transverse plate; 9-a lower cross beam; 10-a connecting plate; 11-refractory material; 12-a sloped roof ridge; 14-insulating mastic; 15-a second expansion sealing joint; 16-a first expansion sealing joint; 17-support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when in use, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a heat exchanger, which includes a housing 1, a heat exchange medium inlet 5 and a heat exchange medium outlet 6 formed in an outer periphery of the housing 1, and a heat exchange unit disposed in the housing 1, the heat exchange unit including a heat exchange tube 2, a support plate 7, a connection plate 10, and an upper cross beam 8.
The upper beam 8 penetrates the housing 1, and two upper beams 8 are provided in this embodiment and are uniformly arranged inside the housing 1. The upper cross beam 8 is used for tightly hanging and fixing the support plate 7 and the heat exchange tube 2. The two ends of the upper crossbeam 8 are supported on the brackets 17 and can slide on the brackets 17, and a second expansion sealing joint 15 is arranged between the shell 1 and the upper crossbeam 8 outside the shell so as to enable the shell 1 and the upper crossbeam 8 to generate relative displacement.
The heat exchanger that provides in this embodiment is used for carrying out the heat transfer of cooling to the material, and the heat transfer medium that lets in heat exchange pipe 2 is cooling water. Cooling water enters the heat exchange tube 2 from the heat exchange medium inlet 5 and cools the material in the shell 1, and the waste water after heat exchange flows out from the heat exchange medium outlet 6. The material enters from the feed inlet 3 at the top of the shell 1, and is discharged from 4 discharge ports 4 formed at the top of the shell 1 after heat exchange is completed. In other embodiments, the number and direction of the discharge ports may be adaptively adjusted as needed.
The heat exchange tube 2 of the present invention is assembled by a plurality of U-turn sections 21 and a plurality of horizontal sections 22, as shown in fig. 1 and fig. 2, the plurality of horizontal sections 22 are distributed up and down, a structural schematic diagram of one row of horizontal sections 22 and U-turn sections 21 is shown in fig. 1, a structural left side view of 9 rows of heat exchange tubes 2 in fig. 1 is shown in fig. 2, and in other embodiments, the tube orientation and distribution of the horizontal sections 22 and U-turn sections 21 can be adjusted as required.
For supporting the horizontal section 22, 9 support plates 7 are arranged axially symmetrically along the horizontal section 22, as shown in fig. 3 and 4, the support plates 7 are provided with grooves 73 for clamping the heat exchange tubes 2, two support plates 7 symmetrical about the center of the heat exchange tube surround the horizontal section 22 of the heat exchange tube 2 through the grooves 73 arranged oppositely in pairs, and a connecting plate 10 is arranged on one side of the support plate 7 far away from the grooves 73 and fixedly connects the support plates 7 so that the horizontal sections 22 of the heat exchange tubes 2 are kept horizontal in the vertical direction.
Fig. 3 is a single-piece schematic view of the support plate 7. Referring to fig. 4, in the present embodiment, the connecting plate 10 is welded to the plurality of supporting plates 7, and the plurality of supporting plates 7 are connected in series by the connecting plate 10, so that two oppositely disposed supporting plates 7 symmetrical about the center of the heat exchange tube are fixed, and the horizontal section 22 is prevented from falling outward, and at the same time, the supporting plates 7 play a role of balancing a plurality of pairs of supporting plates 7 (two oppositely disposed supporting plates 7 symmetrical about the center of the heat exchange tube) so that the supporting plates 7 at the same height are located on the same horizontal line, so that the arrangement can indirectly keep the horizontal section horizontal, and no bending deformation of the tube occurs.
In order to promote the uniform connection of the connecting plates 10 to the support plates 7 distributed up and down, two connecting plates 10 (shown in fig. 4) distributed up and down are provided in the embodiment, and in other embodiments, the number of the connecting plates 10 can be increased as required to change the connecting height of the connecting plates 10.
In this embodiment, the upper beam 8 is formed by welding four hollow plates, and as shown in fig. 1, the vertical plates 81 of the four plates are deviated from the edges of the upper and lower transverse plates 82 of the four plates, which is beneficial to the higher rigidity and strength of the hollow beam formed by welding the four plates in the vertical direction.
The periphery of the upper cross beam 8 is wrapped by refractory materials 11, and the top of the upper cross beam 8 is provided with a slope roof ridge 12 which protrudes from the middle and is low on two sides. The hollow part of the upper cross beam 8 is communicated with a cooling medium, in the embodiment, the hollow structure of the upper cross beam 8 is communicated with cooling air for cooling the upper cross beam, and the cooling air enters from one end of the upper cross beam 8 and is discharged from the other end of the upper cross beam 8.
Further, the heat insulation layer arranged in the middle of the shell 1 can effectively insulate heat transfer inside the shell 1 and outside the shell 1.
Referring to fig. 2, the casing 1 is provided with heat insulation mortar 14 at the penetration position of the upper beam 8, and the heat insulation mortar is provided at the penetration position, which is beneficial to heat insulation and reduction of gaps between the beams and the casing.
The heat exchanger also comprises a bracket 17 arranged outside the shell 1, the bracket 17 supports the upper cross beam 8, and the upper cross beam 8 and the bracket 17 can slide relatively at the supporting position. The support 17 is arranged for bearing the upper cross beam 8 and the heat exchange tube 2 connected with the cross beam, and can slide relatively when the upper cross beam 8 and the support 17 are subjected to cold expansion and heat shrinkage.
A second expansion sealing joint 15 is arranged between the bracket 17 and the shell 1, so as to meet the requirements of expansion and contraction of the cross beam, and ensure the sealing between the cross beam and the shell.
Referring to fig. 1, first expansion sealing joints 16 are arranged between the heat exchange medium inlet 5 and the heat exchange medium outlet 6 and the shell 1, and the first expansion sealing joints 16 are arranged to meet the requirements of expansion and contraction of the heat exchange tube and ensure the sealing between the heat exchange tube and the shell.
Example 2
The embodiment provides a heat exchanger, which is shown in fig. 5 and 6 and comprises a shell 1, wherein a heat exchange medium inlet 5 and a heat exchange medium outlet 6 are formed in the periphery of the shell 1, a heat exchange unit is arranged in the shell 1, and the heat exchange unit comprises a heat exchange pipe 2, a support plate 7, a connecting plate 10, an upper cross beam 8 and a lower cross beam 9.
The heat exchanger provided in this embodiment is used for heating materials, and the heat exchange medium introduced into the heat exchange tube 2 is hot flue gas. Hot flue gas enters the heat exchange tube 2 from the heat exchange medium inlet 5, the material in the shell 1 is heated and heated, and the waste gas after heat exchange is led out from the heat exchange medium outlet 6. The material enters from the feed inlet 3 at the top of the shell 1, and is discharged from 4 discharge ports 4 formed at the top of the shell 1 after heat exchange is completed. In other embodiments, the number and direction of the discharge ports may be adaptively adjusted as needed.
The upper beam 8 and the lower beam 9 both penetrate through the housing 1, and two upper beams 8 and two lower beams 9 are provided in this embodiment. The two ends of the upper beam 8 are supported on the brackets 17 and can slide on the brackets 17, and a second expansion sealing joint 15 is arranged between the shell 1 and the upper beam 8 outside the shell so that the shell and the beams can be displaced relatively. The upper cross beam 8 is connected with the top end 71 of the support plate by welding, and the lower cross beam 9 is connected with the bottom end 72 of the support plate by welding.
The heat exchange tube 2 of the present invention is assembled by a plurality of U-turn sections 21 and a plurality of horizontal sections 22, as shown in fig. 5 and 6, the plurality of horizontal sections 22 are distributed up and down, fig. 5 shows a structural schematic diagram of one row of horizontal sections 22 and U-turn sections 21, fig. 6 shows a structural left side view of 9 rows of heat exchange tubes 2 in fig. 1, in other embodiments, the tube orientation and distribution of the horizontal sections 22 and U-turn sections 21 can be adjusted as required.
For supporting the horizontal section 22, 9 pairs of support plates 7 are arranged axially symmetrically along the horizontal section 22, the support plates 7 are shown in fig. 4, 5 and 6, grooves 73 for clamping the heat exchange tubes 2 are arrayed on the support plates 7, two support plates 7 symmetrical about the centers of the heat exchange tubes surround the horizontal section 22 of the heat exchange tube 2 through the grooves 73 arranged oppositely in pairs, and a connecting plate 10 is arranged on one side of the support plate 7 far away from the grooves 73 and fixedly connects a plurality of the support plates 7 so that the horizontal sections 22 of a plurality of the heat exchange tubes 2 are kept horizontal in the vertical direction.
The upper cross beam 8 and the lower cross beam 9 are hollow square tubes, and two vertical surfaces of the square tubes have strong bending strength, so that the flatness of the upper cross beam 8 and the lower cross beam 9 is easily kept.
The peripheries of the upper cross beam 8 and the lower cross beam 9 are wrapped with refractory materials 11; the tops of the upper cross beam 8 and the lower cross beam 9 are provided with slope roofs 12 with middle bulges and two lower sides, and a refractory material 11 is arranged between the slope roofs 12 and the upper cross beam 8; a refractory material 11 is arranged between the slope ridge 12 and the lower cross beam 9.
Further, the heat insulation layer arranged in the middle of the shell 1 can effectively insulate heat transfer inside the shell 1 and outside the shell 1.
Referring to fig. 2, heat insulation mortar 14 is arranged at the penetrating positions of the upper cross beam 8 and the lower cross beam 9 of the shell 1, and the heat insulation mortar 14 is arranged at the penetrating positions, so that heat insulation is facilitated, and gaps between the cross beams and the shell 1 are reduced.
The heat exchanger also comprises a bracket 17 arranged outside the shell 1, the bracket 17 supports the upper cross beam 8 and the lower cross beam 9, and the upper cross beam 8, the lower cross beam 9 and the bracket 17 can slide relatively on the supporting position. The support 17 is arranged for bearing the cross beam and the heat exchange tube 2 connected with the cross beam, and can slide relatively when the cross beam and the support 17 are subjected to cold expansion and heat shrinkage.
And second expansion sealing joints 15 are arranged between the upper cross beam 8 and the lower cross beam 9 and the shell 1, so that the requirements on expansion and contraction of the cross beams are met, and the sealing between the cross beams and the shell is ensured.
Referring to fig. 5, first expansion sealing joints 16 are arranged between the heat exchange medium inlet 5 and the heat exchange medium outlet 6 and the shell 1, and the first expansion sealing joints 16 are arranged to satisfy thermal expansion and cold contraction of the heat exchange tube 2 and ensure sealing between the heat exchange tube 2 and the shell 1.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat exchanger, its characterized in that, it includes the casing, be provided with heat exchange unit in the casing, heat exchange unit includes hot exchange pipe, supporting component and crossbeam, hot exchange pipe's figure is a plurality of, the crossbeam runs through the casing, supporting component includes multiunit backup pad and a plurality of connecting plate, every group the backup pad comprises many pairs of backup pads, every the tip of backup pad with crossbeam fixed connection, every the array has and is used for the joint in the backup pad hot exchange pipe's recess, every hot exchange pipe all by two about heat exchange pipe centrosymmetric two the backup pad surrounds through two liang of recesses that set up relatively and embraces, two liang of two relative two that set up a pair of backup pads is constituteed to the backup pad, every group backup pad correspondence sets up in one on the hot exchange pipe, the connecting plate with the multiunit the backup pad is fixed connection in proper order to make a plurality The tube replacement is kept at a consistent height in the horizontal direction.
2. The heat exchanger according to claim 1, wherein a plurality of heat exchange medium inlets and a plurality of heat exchange medium outlets are formed in the periphery of the shell, both ends of each heat exchange tube are respectively connected with the heat exchange medium inlets and the heat exchange medium outlets, each heat exchange tube comprises a plurality of U-shaped turn-back sections and a plurality of horizontal sections, each horizontal section is arranged in the grooves of the support plates arranged in pairs, the grooves are opposite to each other, each connecting plate is fixedly connected with the side surfaces of the grooves of the two support plates which are symmetrical about the center of the heat exchange tube, and each connecting plate is fixedly connected with the support plates in series on the same horizontal line.
3. The heat exchanger as claimed in claim 1, wherein the plurality of pairs of support plates on each of the heat exchanging tubes are centrally symmetrical along an axis of the heat exchanging tube.
4. The heat exchanger according to claim 1, wherein the cross-members are hollow square tubes or welded plates, and refractory material is provided around the outer periphery of the cross-members.
5. The heat exchanger as claimed in claim 4, wherein the top of the cross beam is provided with a sloping ridge protruding from the middle and having two lower sides, and the sloping ridge is filled with a refractory material.
6. The heat exchanger according to claim 1, wherein the cross members include upper cross members and/or lower cross members, the number of the upper cross members corresponding to the number of the support plates, and the number of the lower cross members corresponding to the number of the support plates; the upper cross beam is arranged above the heat exchange tube, the lower cross beam is arranged below the heat exchange tube, and the upper cross beam and/or the lower cross beam are/is fixedly connected with the supporting plate.
7. The heat exchanger according to claim 6, characterized in that the upper and/or lower cross-beams are provided with an insulating mastic throughout the shell.
8. The heat exchanger of claim 2, wherein first expansion joints are provided between the heat exchange medium inlet and the heat exchange medium outlet and the shell.
9. The heat exchanger of claim 1, further comprising a bracket disposed outside the housing, wherein the two ends of the beam are supported by the bracket, the beam is capable of sliding on the bracket, and a second expansion sealing joint is disposed between the housing and the beam outside the housing to allow the housing to displace relative to the beam.
10. The heat exchanger of claim 9, wherein the top and the bottom of the shell are respectively provided with a feed inlet and a discharge outlet, and the shell has a three-layer structure, wherein the inner layer is a stainless steel plate, the outer layer is a carbon steel plate, and the middle layer is a heat insulation layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325246.1A CN111366016A (en) | 2020-04-22 | 2020-04-22 | Heat exchanger |
| PCT/CN2020/107901 WO2021212695A1 (en) | 2020-04-22 | 2020-08-07 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325246.1A CN111366016A (en) | 2020-04-22 | 2020-04-22 | Heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN111366016A true CN111366016A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010325246.1A Pending CN111366016A (en) | 2020-04-22 | 2020-04-22 | Heat exchanger |
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| Country | Link |
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| CN (1) | CN111366016A (en) |
| WO (1) | WO2021212695A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212695A1 (en) * | 2020-04-22 | 2021-10-28 | 河南龙成煤高效技术应用有限公司 | Heat exchanger |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3029744A1 (en) * | 1980-08-06 | 1982-03-11 | Basf Ag, 6700 Ludwigshafen | DESUBLIMATOR FOR THE EXTRACTION OF SUBLIMATION PRODUCTS FROM REACTION GAS |
| JP5709568B2 (en) * | 2011-02-16 | 2015-04-30 | 三菱重工業株式会社 | Heat exchanger dismantling method |
| CN102221304A (en) * | 2011-07-28 | 2011-10-19 | 山东北辰压力容器有限公司 | Supporting plate of assembled-type rectangle tube bundle |
| CN202614066U (en) * | 2012-03-22 | 2012-12-19 | 汪申 | Supporting bracket of cooler heat exchange tube |
| CN202793090U (en) * | 2012-05-09 | 2013-03-13 | 汪申 | Heat transfer device for evaporation section of cooler |
| CN104864747A (en) * | 2015-06-10 | 2015-08-26 | 山东国舜压力容器有限公司 | Energy-saving heating network heater |
| CN105180681B (en) * | 2015-11-05 | 2017-02-01 | 洛阳隆华传热节能股份有限公司 | Detachable pipe bundle flue type heat collection equipment and method |
| CN205138269U (en) * | 2015-11-05 | 2016-04-06 | 洛阳隆华传热节能股份有限公司 | Can dismantle tube bank flue formula thermal -arrest equipment |
| CN206670440U (en) * | 2017-04-10 | 2017-11-24 | 武汉燃控科技热能工程有限公司 | The H type finned tube pipe clamp structures of boiler economizer |
| CN107062956A (en) * | 2017-05-12 | 2017-08-18 | 江苏龙净节能科技有限公司 | A kind of spiral finned tube heat-exchanger rig utilized for Large Copacity fume afterheat |
| CN207365757U (en) * | 2017-10-19 | 2018-05-15 | 江苏龙净节能科技有限公司 | A kind of fume afterheat utilizes heat-exchanger rig |
| CN111366016A (en) * | 2020-04-22 | 2020-07-03 | 河南龙成煤高效技术应用有限公司 | Heat exchanger |
-
2020
- 2020-04-22 CN CN202010325246.1A patent/CN111366016A/en active Pending
- 2020-08-07 WO PCT/CN2020/107901 patent/WO2021212695A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212695A1 (en) * | 2020-04-22 | 2021-10-28 | 河南龙成煤高效技术应用有限公司 | Heat exchanger |
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| WO2021212695A1 (en) | 2021-10-28 |
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