CN202018230U - Spiral baffle plate - Google Patents
Spiral baffle plate Download PDFInfo
- Publication number
- CN202018230U CN202018230U CN2011201261890U CN201120126189U CN202018230U CN 202018230 U CN202018230 U CN 202018230U CN 2011201261890 U CN2011201261890 U CN 2011201261890U CN 201120126189 U CN201120126189 U CN 201120126189U CN 202018230 U CN202018230 U CN 202018230U
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- CN
- China
- Prior art keywords
- plate body
- flank side
- spiral plate
- spiral
- distance sink
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a spiral baffle plate, which is characterized in that the spiral baffle plate comprises a spiral plate body and at least one spacer tube; the spiral plate body comprises a spiral curved surface body which is formed by a head edge side surface, a tail edge side surface, an outer arc side surface and an inner arc side surface in an circling manner; the angle formed by the head edge side surface and the tail edge side surface of the spiral plate body is 90 degrees or 180 degrees; circular holes are formed on the plate body uniformly, and heat exchange pipes can penetrate through the circular holes; and the spacer tube and the spiral plate body are formed integrally through injection moulding. The spiral baffle plate has the advantages of simple structure, simple production procedures, high manufacturing and production efficiency, convenience and fast assembly, and the spacer tube does not need to be independently installed any more when the spiral baffle plate is applied to equipment such as a heat exchanger and the like.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, especially a kind of helical baffles that is used for heat exchanger.
Background technology
The dry type heat exchanger is the important composition part in central air-conditioning water-cooled (air-cooled) unit, and its heat exchange property and cost can directly influence the performance and the manufacturing cost of whole refrigeration system, and deflection plate is the important composition parts of heat exchanger.The structure of deflection plate is varied at present, as segmental baffle, ring baffle plate, helical baffles.
Traditional segmental baffle is to adopt the circular slab that has arcuate indentation to flow to as supporting heat exchanger tube and changing shell-side fluid, utilize increase deflection plate quantity and minimizing baffle gap area to improve the shell-side fluid flow velocity, improve total heat transfer coefficient of whole heat exchanger, segmental baffle can satisfy certain requirement, there is following problem in this deflection plate: 1, manufacturing procedure complexity, long processing time, production efficiency is low.2, the most carbon steel that adopts of the material of segmental baffle, the deflection plate after the processing is yielding, causes the position, hole not just, the poling difficulty; When boring, can produce burr, easily scratch, scrape and wear heat exchanger tube.3, to contact with housing be the face contact form for traditional segmental baffle cylindrical, and install for convenience and all can lack 2-5mm usually than the housing internal diameter, can cause shell-side fluid to flow through from this gap like this, fluid runs off more serious, influences the heat exchange effect of whole heat exchanger.4, bigger shell-side fluid flow velocity is when vertical cross-flow tube bank, directly impacts in inner walls mobilely to the arcuate indentation direction again, can produce bigger vibrations, causes easy poling of heat exchanger tube and shell-side pressure drop higher, shortened the service life of whole heat exchanger.
It as application number 200510043033.5 Chinese patent, a kind of continuous helical deflecting plate pipe and shell type heat exchanger is disclosed, its disclosed deflection plate is by forming by welded lap between a plurality of cycle flights, on flight, need to hole, because metal materials such as carbon steel are made the cost height by rig, and can produce burr after the boring, flight is yielding, occurs easily when mounted scratching, scrapes and wear heat exchanger tube, the problem that heat exchanger tube is difficult to pass; So there is the cost height in deflection plate, processing, the big shortcoming of assembling difficulty.
No matter be traditional segmental baffle, still novel helical baffles is made by metal materials such as carbon steels, the moulding difficulty, and when being applied in equipment such as heat exchanger, all need to adopt distance sink tube to be separated by, between connect by welding manner, so strengthen mounting hardness and increase labour intensity.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, production process simply, does not need processing separately that the monoblock type helical baffles of distance sink tube is installed.
The technical solution of the utility model is as follows: a kind of helical baffles, it is characterized in that: this helical baffles comprises spiral plate body and at least one distance sink tube, distance sink tube and spiral plate body integrated injection molding, wherein the spiral plate body is the curved body according to a fixed pitch spiral, the curved body of spiral is provided with first flank side surface, last flank side surface, external arc side and interior circular arc side, the first flank side surface of spiral plate body and last flank side surface are in 90 ° or 180 °, are evenly equipped with the circular hole that passes for heat exchanger tube on the plate face of spiral plate body.
Described first flank side surface place and last flank side surface place are provided with the lip limit face that can overlap mutually respectively.
The first flank side surface of described spiral plate body and last flank side surface are in 90 °, distance sink tube is provided with two, the length of distance sink tube be the spiral plate body pitch 1/2nd, be separately positioned on the back side of first flank side surface place and last flank side surface place lip limit face, be positioned at the both sides of spiral panel.
The first flank side surface of described spiral plate body and last flank side surface are in 180 °, distance sink tube is provided with four and length and is 1/2nd of spiral plate body pitch, wherein be provided with a distance sink tube in the outside at the back side of first flank side surface place lip limit face, the outside at the back side of end flank side surface place lip limit face is provided with a distance sink tube, is respectively equipped with centre position and two distance sink tubes that a distance sink tube and this two distance sink tube be positioned at circumferential periphery and is coaxially set on the plate face of spiral plate body both sides.
Be provided with steady pin on the face of the lip limit at first flank side surface place, be provided with fixing hole on the face of the lip limit at last flank side surface place, steady pin and fixing hole mate mutually.
Described helical baffles also comprise one with the integrated center of described plate body pipe box, the outer wall of center pipe box is connected with described interior circular arc side, the central axes of the central axis of center pipe box and spiral plate body, when the first flank side surface of spiral plate body and last flank side surface are in 90 °, the length of center pipe box is the pitch of 1/4th spiral plate bodies, when the first flank side surface of spiral plate body and last flank side surface were in 180 °, the length of center pipe box was 1/2nd of spiral plate body pitch.
Have one to seal the convex edge along the external arc side walls of described spiral plate body is one-body molded.
The beneficial effects of the utility model are: have simple in structure, production process is simple, production cost is low and advantage efficiently easy to assembly.Helical baffles is by the plastic material integrated injection molding, distance sink tube is molded directly within on the spiral plate body, need not reprocess the installation distance sink tube, the direct injection mo(u)lding of spiral plate body also offers circular hole, plate body is not yielding and do not need to hole again, and it is difficult and scratch, scrape the problem of wearing heat exchanger tube easily to have solved poling.
By structure of the present utility model as can be known, only need do a mold and produce a helical baffles described in the utility model, then two or four duplicate helical baffles being assembled the complete helix deflection plate that just can obtain having a pitch value promptly is the spiral helical baffles in one week, makes processing cost so can reduce mould.
Since center pipe box and distance sink tube all with the spiral plate body by integral forming, per two first flank side surface become 180 ° helical baffles or per four first flank side surface to become 90 ° helical baffles to overlap mutually by lip limit face with last flank side surface with last flank side surface, the cascade respectively of center pipe box and distance sink tube becomes the helical baffles body with a pitch.Easy to assembly quick, overlap mutually by lip limit face, spiral plate body connectivity is good, good airproof performance.The steady pin and the fixing hole that are provided with on the face of lip limit make the connection between the helical baffles more convenient, also increase steadiness simultaneously.
Integrated sealing convex edge on the external arc side of spiral plate body when helical baffles is applied to heat exchanger, is installed more conveniently, and can closely cooperate with housing, and better tightness prevents that effectively shell-side fluid is from this gap leakage current.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another view of Fig. 1;
Fig. 3 is an another kind of structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing content of the present utility model is described in further detail.
Embodiment one: as shown in Figure 1, 2, a kind of helical baffles, this helical baffles is made by the plastic material injection moulding, comprise spiral plate body 1, distance sink tube 2 and center pipe box 3, spiral plate body 1 comprises the spiral camber body that first flank side surface, last flank side surface, external arc side and interior circular arc side surround, the first flank side surface of spiral plate body and last flank side surface are in 180 °, are evenly equipped with the circular hole 11 that passes for heat exchanger tube on spiral plate body 1.The lip limit face 12,13 that is provided with mutual overlap joint respectively at the first flank side surface place and the last flank side surface place of spiral plate body 1, so-called lip limit face 12,13, being at first flank side surface place has a cascaded surface, and there is a cascaded surface at the place in last flank side surface, and two cascaded surfaces mate in opposite directions and mutually.Distance sink tube 2 is for having the hollow plastic tube of certain-length in the present embodiment, on spiral plate body 1, be provided with four and length and be 1/2nd of spiral plate body 1 pitch, wherein be provided with a distance sink tube 2 in the outside at the back side of first flank side surface place lip limit face, the outside at the back side of end flank side surface place lip limit face is provided with a distance sink tube 2, is respectively equipped with centre position and two distance sink tubes that a distance sink tube 2 and this two distance sink tube be positioned at circumferential periphery and is coaxially set on the plate face of spiral plate body both sides.
The length of center pipe box 3 is the pitch of 1/2nd spiral plate bodies, and its outer wall is connected with the external arc side of spiral plate body, and the central axes of central axis and spiral plate body.
One-body molded on the external arc side of spiral plate body 1 have one to seal convex edge 4, when being applied to equipment such as heat exchanger at the utility model spiral plate, the sealing convex edge can make in the easier threading heat exchanger shell of helical baffles, and can closely cooperate with housing, better tightness improves the heat exchange effect.
Be provided with steady pin 14 on the lip limit at first flank side surface place face 12, be provided with fixing hole 15 on the face of the lip limit at last flank side surface place, steady pin 14 and fixing hole 15 mate mutually.Certainly, also can be provided with steady pin and fixing hole simultaneously at the lip limit at first flank side surface place face 12, corresponding is provided with fixing hole and the steady pin that is complementary on the lip limit at last flank side surface place face 13, so can make the connection between per two helical baffles more firm.
Embodiment two: as shown in Figure 3, present embodiment and embodiment one structure basically identical, just the first flank side surface and the last flank side surface of spiral plate body are in 90 °, and the length of center pipe box is the pitch of 1/4th spiral plate bodies.
Distance sink tube on the spiral plate body is provided with two, is separately positioned on the back side of lip limit face, and two settle down the both sides that pipe is separately positioned on the spiral plate body, and the length of distance sink tube is the pitch of 1/2nd spiral plate bodies.
During use, per two first flank side surface become 180 ° helical baffles or per four first flank side surface to become 90 ° helical baffles to overlap mutually by lip limit face with last flank side surface with last flank side surface, the cascade respectively of center pipe box and distance sink tube becomes the helical baffles body with a pitch.In the installation process of heat exchanger, as required, overlap mutually between several helical baffles bodies, the center fixation pipe passes the center pipe box, heat exchanger tube passes the spiral plate body and rises and is connected on the circular hole, after fixed bar passes distance sink tube, with continuous helical baffles body pack into housing and fixing getting final product, do not need as traditional welding helical blade, independently operation such as distance sink tube, welding center pipe box is installed, easy to assembly quick.
Claims (7)
1. helical baffles, it is characterized in that: this helical baffles comprises spiral plate body and at least one distance sink tube, distance sink tube and spiral plate body integrated injection molding, wherein the spiral plate body is the curved body according to a fixed pitch spiral, the curved body of spiral is provided with first flank side surface, last flank side surface, external arc side and interior circular arc side, the first flank side surface of spiral plate body and last flank side surface are in 90 ° or 180 °, are evenly equipped with the circular hole that passes for heat exchanger tube on the plate face of spiral plate body.
2. helical baffles according to claim 1 is characterized in that: described first flank side surface place and last flank side surface place are provided with the lip limit face that can overlap mutually respectively.
3. helical baffles according to claim 2, it is characterized in that: the first flank side surface of described spiral plate body and last flank side surface are in 90 °, distance sink tube is provided with two, the length of distance sink tube be the spiral plate body pitch 1/2nd, be separately positioned on the back side of first flank side surface place and last flank side surface place lip limit face, be positioned at the both sides of spiral panel.
4. helical baffles according to claim 2, it is characterized in that: the first flank side surface of described spiral plate body and last flank side surface are in 180 °, distance sink tube is provided with four and length and is 1/2nd of spiral plate body pitch, wherein be provided with a distance sink tube in the outside at the back side of first flank side surface place lip limit face, the outside at the back side of end flank side surface place lip limit face is provided with a distance sink tube, is respectively equipped with centre position and two distance sink tubes that a distance sink tube and this two distance sink tube be positioned at circumferential periphery and is coaxially set on the plate face of spiral plate body both sides.
5. helical baffles according to claim 2 is characterized in that: be provided with steady pin on the face of the lip limit at first flank side surface place, be provided with fixing hole on the face of the lip limit at last flank side surface place, steady pin and fixing hole mate mutually.
6. according to described any helical baffles of claim 1-5, it is characterized in that: described helical baffles also comprise one with the integrated center of described plate body pipe box, the outer wall of center pipe box is connected with described interior circular arc side, the central axes of the central axis of center pipe box and spiral plate body, when the first flank side surface of spiral plate body and last flank side surface are in 90 °, the length of center pipe box is the pitch of 1/4th spiral plate bodies, when the first flank side surface of spiral plate body and last flank side surface were in 180 °, the length of center pipe box was 1/2nd of spiral plate body pitch.
7. helical baffles according to claim 6 is characterized in that: have one to seal the convex edge along the external arc side walls of described spiral plate body is one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261890U CN202018230U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261890U CN202018230U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018230U true CN202018230U (en) | 2011-10-26 |
Family
ID=44811899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201261890U Expired - Lifetime CN202018230U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018230U (en) |
-
2011
- 2011-04-26 CN CN2011201261890U patent/CN202018230U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |