CN202614068U - Easily assembled zigzag tube plate for finned tube exchanger - Google Patents
Easily assembled zigzag tube plate for finned tube exchanger Download PDFInfo
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- CN202614068U CN202614068U CN 201220248383 CN201220248383U CN202614068U CN 202614068 U CN202614068 U CN 202614068U CN 201220248383 CN201220248383 CN 201220248383 CN 201220248383 U CN201220248383 U CN 201220248383U CN 202614068 U CN202614068 U CN 202614068U
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- plate
- zigzag
- tube
- finned tube
- porous plate
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Abstract
The utility model relates to an easily assembled zigzag tube plate for a finned tube exchanger. The tube plate integrally consists of an upper straight plate, a middle multi-hole plate and a lower straight plate. A plurality of rows of tube holes are arranged in the middle multi-hole plate part according to the number of finned tubes, and the rows of the tube holes are parallel with each other and adjacent rows are mutually staggered. Central lines of the tube holes in the adjacent rows are connected from top to bottom to form zigzag lines which are parallel with each other and evenly distributed at intervals along the length direction. A plurality of zigzag plates formed by cutting and dividing of the middle multi-hole plate along the zigzag lines are assembled and welded with the finned tubes to form an integral multi-hole plate. The upper end and the lower end of the integral multi-hole plate are respectively welded with the upper straight plate and the lower straight plate to form the zigzag tube plate. According to the easily assembled zigzag tube plate for the finned tube exchanger, cutting workload is little, the length and width of each cut zigzag plate is small, the zigzag plates are strong in bending deformation resistance abilities, the flatness of the assembled tube plate can be ensured easily, stress is uniform, and rib plates do not need to be added. The easily assembled zigzag tube plate for the finned tube exchanger not only is attractive and elegant but also reduces the usage amount of materials and welding workload, is not prone to deformation in use, and guarantees service life of a heat exchanger.
Description
Technical field
The utility model relates to technical field of heat exchange devices, relates in particular to be applied to a kind of zigzag tube sheet that is used for finned tube exchanger.
Background technology
At present, in industries such as metallurgy, power, petrochemical industry, air-conditioning, for the enhanced heat exchange effect perhaps reaches the purpose that makes the heat exchanger high-efficiency compact, finned tube exchanger has obtained promotion and application widely.As the tube sheet of one of finned tube exchanger component devices, be used for assembling with the main heat exchange element finned tube of heat exchanger, play the fixed support finned tube.Tube sheet after the assembling and heat exchanger shell can directly adopt and be welded to connect fixingly, play the effect of supporting whole heat exchanger weight simultaneously.The selection of the design of tube sheet, manufacturing, packaging technology is to controlling whole heat exchanger cost, prolonging heat exchanger and have great role service life.Usually tube sheet manufacturing and mainly contain two kinds with the assembling form of finned tube: (1) tube sheet put in order the plate blanking, holes as requested then.Finned tube divides straight length and bend loss to make respectively.During assembling,, weld bend pipe then one by one with finned tube straight length and tube sheet assembling.This kind method welding capacity is big, and because tube bank is arranged closely, and the welding difficulty is high, suppressing after assembling is accomplished of finned tube carried out, in case tube leak is searched and the remedial measure difficult and complicated; (2) the whole plate blanking of tube sheet, boring as requested is then directly from along the centerline hole line tube sheet being cut into some serration plates (Fig. 1) perpendicular to length direction.The finned tube integral manufacturing is suppressed in advance.Weld between gullet plate finned tube and tube sheet assembling back.This method integral cutting workload is big.And because repeatedly cutting is relatively poor with the tubesheet intensity after the finned tube assembling, general also need through around weld gusset its intensity of method increase, increased material usage and welding capacity.Gullet plate after the cutting re-assemblies back plate face glacing flatness and can't guarantee, the heat exchanger back tube sheet that comes into operation is prone to produce flexural deformation, influences heat exchanger result of use and life-span.
At present, first kind of form is only less in tube bank, arranges sparsely, adopts under the situation that welding capacity is less, the manufacturing cycle is grown.The range of application of second kind of form is wider, but as stated, a lot of places have much room for improvement.
The utility model content
The technical problem that the utility model will solve is: a kind of zigzag tube sheet that is used for finned tube exchanger that is easy to assemble is provided, under the prerequisite that guarantees the finned tube integral manufacturing, suppresses in advance, tube sheet integral cutting workload is reduced to some extent; And the tubesheet intensity after can guaranteeing to assemble, do not need outer stiffened panel, not only elegant in appearance but also reduced material use amount and welding job amount; At last, can also make the gullet plate after the cutting have less length-width ratio, make gullet plate have stronger counter-bending deformability, guarantee the tube sheet flatness after the assembling, tube sheet is stressed evenly, and not yielding in the use, heat exchanger can meet design requirement service life.
For solving the problems of the technologies described above, the scheme that the utility model adopts is:
A kind ofly be easy to assemble the zigzag tube sheet that is used for finned tube exchanger, be arranged at the rear and front end of finned tube respectively; It is characterized in that: tube sheet integral body is divided into upper straight-plate, middle porous plate, lower straight-plate three parts; Middle porous plate is welded into whole porous plate by the front end or the rear end assembling of a plurality of serration plate clamping finned tubes, and whole porous plate two ends up and down constitutes the zigzag tube sheet with upper straight-plate, lower straight-plate sealing welding respectively; Wherein, a plurality of serration plates form for porous plate in the middle of each zigzag line cutting of middle porous plate; Each zigzag line forms for the finned tube pore center that from top to bottom connects between adjacent lines; Each zigzag line vertically is parallel to each other on middle porous plate and is spaced apart; Along the horizontal length direction, the pore center of multirow pore is parallel to each other and dislocation each other.
By technique scheme, each zigzag line vertically is parallel to each other on middle porous plate and uniformly at intervals.
By technique scheme, the finned tube that described finned tube is integral manufacturing, suppress in advance with straight section and curved section.
By technique scheme, the two-sided continuous sealing of groove of beating of whole porous plate and upper and lower straight plate is welded into the zigzag tube sheet.
By technique scheme, the three-lane road that upper straight-plate, middle porous plate, lower straight-plate three parts constitute for the difference blanking; Perhaps the whole plate blanking of tube sheet is cut into upper straight-plate, middle porous plate, lower straight-plate three parts then.
By technique scheme, a plurality of serration plates are according to the porous plate cutting sequence, front end or rear end and the assembling of clamping finned tube are welded into whole porous plate in order.
Above-mentioned zigzag tube sheet preparation method comprises the steps:
The first step vertically is divided into upper straight-plate, middle porous plate, lower straight-plate three parts with tube sheet integral body;
In second step,, be provided with according to the radical of finned tube on middle porous plate part that multirow is parallel to each other and the pore of adjacent lines mutual dislocation along the horizontal length direction; From top to bottom the pore center line between adjacent lines is connected to form the zigzag line, and each sawtooth pattern line is parallel to each other and uniformly at intervals along its length; Along each zigzag line from middle porous plate being cut into a plurality of serration plates perpendicular to length direction;
The 3rd step, with the assembling of a plurality of serration plates and finned tube and weld, treat with the finned tube assembled after whole middle porous plate and upper and lower straight plate played the two-sided continuous seal weld of groove be connected into integral body.
By technique scheme, during first step blanking, blanking or the whole plate blanking of tube sheet are cut into upper straight-plate, middle porous plate, lower straight-plate three parts then respectively with upper straight-plate, middle porous plate, lower straight-plate three parts.
By technique scheme; When serration plate and finned tube are assembled in the 3rd step; At first according to the porous plate cutting sequence will be wherein a serration plate fix; Then with integral manufacturing, the finned tube suppressed in advance an end put into the serration plate indentation, there, afterwards adjacent serration plate is docked with before a serration plate and spot welding is fixed, place finned tube and serration plate in order and assemble until accomplishing all finned tubes; Make each end of finned tube all have one whole middle porous plate at last.
By technique scheme, in the 3rd step, two ends about whole the porous plate of each end connection of finned tube are sealed welding with upper straight-plate, lower straight-plate respectively continuously constitute the zigzag tube sheet.
The tube sheet of the utility model belongs to the part of finned tube exchanger; Assemble with the main heat exchange element finned tube of heat exchanger; Be used for fixing the support finned tube, tube sheet after the assembling and heat exchanger shell employing are welded to connect fixing, play the effect of supporting whole heat exchanger weight simultaneously.Comprise three parts on this sawtooth shape pipe plate structure: upper straight-plate, middle porous plate, lower straight-plate.During blanking can with three parts respectively blanking also can put in order the plate blanking and be cut into three parts then; Middle porous plate boring back is cut into some serration plates perpendicular to length direction along centerline hole certainly; Treat with the finned tube assembled after, porous plate and last lower straight-plate are played the two-sided continuous seal weld of groove are connected into integral body.Gullet plate after the cutting has less length-width ratio, place or carrying during gullet plate not yielding, and zigzag tube sheet fixing simple and convenient during with the finned tube assembling, the deformation ratio of assembling zigzag tube sheet in the process is easier to control.Because the existence of upper and lower straight plate section, the tube sheet after the assembling all has certain intensity in length and width, does not need other stiffened panel to fix improving its intensity, and is not only elegant in appearance but also reduced material use amount and welding job amount.Adopt the gullet plate of this method cutting simultaneously because non-deformability is stronger, and the tube sheet plate face glacing flatness after the assembling is better, the tube sheet each several part is stressed evenly in the heat exchanger use, and is not yielding, the service life that can strengthen heat exchanger.
The beneficial effect of the utility model:
Existing tube sheet cutting scheme is generally the whole plate blanking of tube sheet, then directly from along centerline hole tube sheet being cut into some serration plates perpendicular to length direction.The integral cutting workload is big; And because repeatedly cutting, the gullet plate length-width ratio after the cutting is bigger, and is relatively poor with the tubesheet intensity after the finned tube assembling, generally through around weld gusset its intensity of method increase; Gullet plate after the cutting re-assemblies back plate face glacing flatness and can't guarantee, the heat exchanger back tube sheet that comes into operation is prone to produce flexural deformation, influences heat exchanger result of use and life-span.
The utility model is implemented the back:
(1) tube sheet blanking has respectively reduced the cutting workload, helps making full use of existing irregular or small-size materials simultaneously, practices thrift cost.
(2) tubesheet intensity after the assembling can guarantee, does not need outer stiffened panel, and is not only elegant in appearance but also reduced material use amount and welding job amount.
(3) gullet plate after the cutting has less length-width ratio, and gullet plate has stronger counter-bending deformability, and the tube sheet flatness after the assembling is easy to guarantee that tube sheet is stressed evenly, and not yielding in the use, heat exchanger can meet design requirement service life.
(4) shorten the product manufacturing cycle, reduced manufacture difficulty.
Description of drawings:
Fig. 1 is tube sheet cutting sketch map (line of cut runs through) of the prior art from top to bottom;
Fig. 2 is structure and the cutting sketch map of the utility model embodiment;
Fig. 3 is the structural representation of the utility model and finned tube assembling;
Fig. 4 is that the A of Fig. 3 is to view;
Among the figure: porous plate in the middle of the 1-upper straight-plate, 2-, 3-lower straight-plate, 4-finned tube, 5-serration plate.
The specific embodiment
In order to understand the utility model better, do to further describe below in conjunction with accompanying drawing and embodiment.
Fig. 2 is easy to assemble the sawtooth shape pipe plate structure sketch map that is used for finned tube exchanger for what implement according to the utility model.Be divided into three parts on the whole sawtooth shape pipe plate structure: upper straight-plate 1, middle porous plate 2, lower straight-plate 3.Can the blanking respectively of three parts also can be put in order the plate blanking and be cut into three parts then during blanking, general recommendation adopts blanking respectively to reduce the cutting workload; Mode (Fig. 1) than original whole plate blanking, cutting has reduced the cutting workload, helps making full use of existing irregular or small-size materials simultaneously, optimizes cost.
Afterwards middle porous plate 2 boring backs are cut into some serration plates 5 along the centerline hole line with middle porous plate 2 perpendicular to length direction certainly; Serration plate 5 after the cutting has less length-width ratio; Gullet plate is not yielding during placing or carrying; And fixing simple and convenient during the assembling of serration plate and finned tube, the deformation ratio of serration plate is easier to control in the assembling process.
When a plurality of serration plates 5 are assembled with finned tube 4; At first wherein serration plate 5 is fixing according to the porous plate cutting sequence; Then integral manufacturing, the finned tube 4 suppressed are in advance put into the gullet plate indentation, there; Afterwards adjacent serration plate 5 is docked also spot welding with last serration plate 5 and fix, place finned tube 4 in order and assemble until accomplishing all finned tubes with serration plate 5.Treat with the finned tube assembled after, porous plate and last lower straight-plate are played the two-sided continuous seal weld of groove are connected into integral body.So far accomplish the assembling process of tube sheet and finned tube.
Because the existence of upper and lower straight plate section, the tube sheet after the assembling all has certain intensity in length and width, does not need other stiffened panel to fix improving its intensity, and is not only elegant in appearance but also reduced material use amount and welding job amount.Adopt the gullet plate of this method cutting simultaneously because non-deformability is stronger, and the tube sheet plate face glacing flatness after the assembling is better, the tube sheet each several part is stressed evenly in the heat exchanger use, and is not yielding, the service life that can strengthen heat exchanger.
Embodiment when Fig. 3 has provided and used with finned tube is supporting, Fig. 4 are that the A of Fig. 3 is to view.As can beappreciated from fig. 4, it is closeer and interlaced that finned tube is arranged, if adopt the whole blanking boring of tube sheet, finned tube divide straight tube and bend pipe make respectively, with the method for welding bend pipe behind the straight tube threading; Not only welding job amount is big; And do not weld the space, the welding difficulty is big, and welding quality can't guarantee; If the later stage is suppressed and pinpoints the problems, remedial measure will be very complicated.And the structure and the method for employing the utility model can guarantee at the finned tube integral manufacturing, under the prerequisite of suppressing in advance, practice thrift cost, when reducing worker, and the tube sheet high strength after guaranteeing simultaneously to assemble, the designing requirement in high service life.
The above disclosed preferred embodiment that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalence variation that the utility model claim is done, still belong to the protection domain of the utility model.
Claims (7)
1. one kind is easy to assemble the zigzag tube sheet that is used for finned tube exchanger, is arranged at the rear and front end of finned tube respectively; It is characterized in that: tube sheet integral body is divided into upper straight-plate, middle porous plate, lower straight-plate three parts; Middle porous plate is welded into whole porous plate by the front end or the rear end assembling of a plurality of serration plate clamping finned tubes, and whole porous plate two ends up and down constitutes the zigzag tube sheet with upper straight-plate, lower straight-plate sealing welding respectively; Wherein, a plurality of serration plates form for porous plate in the middle of each zigzag line cutting of middle porous plate; Each zigzag line forms for the finned tube pore center that from top to bottom connects between adjacent lines; Each zigzag line vertically is parallel to each other on middle porous plate and is spaced apart; Along the horizontal length direction, the pore center of multirow pore is parallel to each other and dislocation each other.
2. the zigzag tube sheet that is used for finned tube exchanger according to claim 1 is characterized in that: each zigzag line vertically is parallel to each other on middle porous plate and uniformly at intervals.
3. the zigzag tube sheet that is used for finned tube exchanger according to claim 1 and 2 is characterized in that: the finned tube with straight section and curved section that described finned tube is integral manufacturing, suppress in advance.
4. the zigzag tube sheet that is used for finned tube exchanger according to claim 3 is characterized in that: the two-sided continuous sealing of groove of beating of whole porous plate and upper and lower straight plate is welded into the zigzag tube sheet.
5. according to claim 1 or the 2 or 4 described zigzag tube sheets that are used for finned tube exchanger, it is characterized in that: the three-lane road that upper straight-plate, middle porous plate, lower straight-plate three parts constitute for the difference blanking; Perhaps the whole plate blanking of tube sheet is cut into upper straight-plate, middle porous plate, lower straight-plate three parts then.
6. according to claim 1 or the 2 or 4 described zigzag tube sheets that are used for finned tube exchanger, it is characterized in that: a plurality of serration plates are according to the porous plate cutting sequence, front end or rear end and the assembling of clamping finned tube are welded into whole porous plate in order.
7. the zigzag tube sheet that is used for finned tube exchanger according to claim 5 is characterized in that: a plurality of serration plates are according to the porous plate cutting sequence, front end or rear end and the assembling of clamping finned tube are welded into whole porous plate in order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220248383 CN202614068U (en) | 2012-05-30 | 2012-05-30 | Easily assembled zigzag tube plate for finned tube exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220248383 CN202614068U (en) | 2012-05-30 | 2012-05-30 | Easily assembled zigzag tube plate for finned tube exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN202614068U true CN202614068U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220248383 Expired - Fee Related CN202614068U (en) | 2012-05-30 | 2012-05-30 | Easily assembled zigzag tube plate for finned tube exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709457A (en) * | 2018-08-06 | 2018-10-26 | 常州奥特斯丹智能装备科技有限公司 | Zigzag heat exchange tube sheet |
| CN110094992A (en) * | 2019-05-10 | 2019-08-06 | 山西丰喜化工设备有限公司 | Snakelike tube bank and preparation method thereof |
-
2012
- 2012-05-30 CN CN 201220248383 patent/CN202614068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709457A (en) * | 2018-08-06 | 2018-10-26 | 常州奥特斯丹智能装备科技有限公司 | Zigzag heat exchange tube sheet |
| CN110094992A (en) * | 2019-05-10 | 2019-08-06 | 山西丰喜化工设备有限公司 | Snakelike tube bank and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140530 |