CN202018232U - Spiral baffle plate - Google Patents
Spiral baffle plate Download PDFInfo
- Publication number
- CN202018232U CN202018232U CN2011201261937U CN201120126193U CN202018232U CN 202018232 U CN202018232 U CN 202018232U CN 2011201261937 U CN2011201261937 U CN 2011201261937U CN 201120126193 U CN201120126193 U CN 201120126193U CN 202018232 U CN202018232 U CN 202018232U
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- Prior art keywords
- plate body
- spiral plate
- flank side
- spiral
- helical baffles
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Abstract
The utility model discloses a spiral baffle plate, which comprises a spiral plate body and a central tube sleeve, wherein, 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; the central axis of the central tube sleeve coincides with the central axis of the spiral plate body; an outer wall of the central tube sleeve is connected with the outer arc side surface; the central tube sleeve and the spiral plate body are formed integrally through injection moulding; and circular holes are formed on the plate body uniformly, and heat exchange pipes can penetrate through the circular holes. The spiral baffle plate has the advantages of simple structure, simple production procedures, high manufacturing and production efficiency, convenience and fast assembly. The baffle plate does not need to be welded with a central fixed tube any more when the spiral baffle plate is applied to equipment such as a heat exchanger and the like, and the central fixed tube only needs to penetrate through the central tube sleeve.
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.It is varied that present deflection plate gets structure, as segmental baffle, 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, but there is following problem in this deflection plate: 1, segmental baffle makes fluid vertical impact shell wall side, causes bigger along the journey pressure drop; When being fixed on the center fixation pipe, often adopt the mode of welding to fix, so big and installation inconvenience of labour intensity.2, to contact with housing be the face contact form to the segmental baffle cylindrical, and install for convenience and all can lack 2-5mm than the housing internal diameter usually, can cause shell-side fluid to flow through from this gap like this, influences the heat exchange effect of whole heat exchanger.3, manufacturing procedure complexity, long processing time, production efficiency is low.4, 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.
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 overlap joint between a plurality of cycle flights, on flight, need to hole by rig, because metal materials such as carbon steel are made, adopt welding manner between the flight, difficult processing and cost height, and can produce burr after the boring, flight is yielding, occur easily when mounted scratching, scraping and wear heat exchanger tube, the problem that heat exchanger tube is difficult to pass; The flight that overlaps by welding manner also need be welded on the core pipe again, and labour intensity is big and install inconvenient.
The utility model content
The technical problems to be solved in the utility model provide a kind of simple in structure, production process is simple, the helical baffles of monoblock type efficiently easy to assembly.
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 center pipe box, the spiral plate body 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 90 ° or 180 °, the central axes of the central axis of center pipe box and spiral plate body, the outer wall of center pipe box is connected with interior circular arc side, center pipe box and spiral plate body integrated injection molding are evenly equipped with the circular hole that passes for heat exchanger tube on plate body.
When described first flank side surface and last flank side surface were in 180 °, the length of center pipe box was the pitch of 1/2nd spiral plate bodies.When described first flank side surface and last flank side surface were in 90 °, the length of center pipe box was the pitch of 1/4th spiral plate bodies.
Be provided with the lip limit face of mutual overlap joint respectively at described first flank side surface and last flank side surface place.
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.
On described plate body, be provided with the distance sink tube of at least one and spiral plate body by integral forming.
When described first flank side surface and last flank side surface are in 180 °, described distance sink tube is provided with three, respectively be provided with a length at the back side of first flank side surface place and last flank side surface place lip limit face and be 1/2nd distance sink tube of spiral plate body pitch, two distance sink tubes are positioned at the both sides of spiral plate body, the distance sink tube that to be provided with a length on the excircle of spiral plate body be spiral plate body pitch, distance sink tube passes plate body, stretches out the equal in length of plate body both sides.
When described first flank side surface and last flank side surface were in 90 °, described distance sink tube was provided with two, is provided with on the circumferential periphery, is separately positioned on the both sides of spiral plate body, and the length of distance sink tube is the pitch of 1/2nd spiral plate bodies.
One-body molded on the external arc side of described spiral plate body have one to seal the convex edge.
The beneficial effects of the utility model are: the utility model is by the plastic material integrated injection molding, has advantage simple in structure, that production process is simple, cost is low.Do not need after the moulding to hole again, reduce drilling program and eliminated the problem that the boring back produces.When the center pipe box that is provided with makes helical baffles of the present utility model be applied in equipment such as heat exchanger, do not need deflection plate is welded on the center fixation pipe, only need that the center fixation pipe is passed the center pipe box and get final product, the labour intensity that so significantly reduces the installer with enhance productivity.
Helical baffles of the present utility model is also one-body molded distance sink tube, when making helical baffles of the present utility model be applied in equipment such as heat exchanger, does not need processing separately and distance sink tube is installed.
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 effectively prevents shell-side fluid leakage current phenomenon.
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.
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 plastic material, 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 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.Being provided with in the time of to make helical baffles of the present utility model be applied in equipment such as heat exchanger of center pipe box, do not need deflection plate is welded on the center fixation pipe, only need that the center fixation pipe is passed the center pipe box and get final product, the labour intensity that so can significantly reduce the installer with enhance productivity.
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, the lip limit face 12,13 of overlap joint is at first flank side surface place one cascaded surface is arranged mutually, there is a cascaded surface at the place in last flank side surface, and two cascaded surfaces mate in opposite directions and mutually.
On the spiral plate body, be provided with three distance sink tubes 2 in the present embodiment, distance sink tube is the hollow plastic tube with certain-length, be distributed on the circumferential periphery of spiral plate body 1, promptly respectively being provided with a length at the back side of the lip limit face 12,13 at first flank side surface place and last flank side surface place is the distance sink tube of the pitch of 1/2nd spiral plate bodies, and two distance sink tubes are separately positioned on the both sides of plate body; The distance sink tube that to be provided with a length in the middle of the circumferential periphery of spiral plate body be the pitch of spiral plate body, middle distance sink tube passes the spiral plate body and equates in spiral plate body both sides extension elongation.
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, effectively prevent shell-side fluid leakage current phenomenon, improve 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.
Spiral plate body, center pipe box, lip limit face, steady pin, fixing hole, distance sink tube and sealing convex edge integrated injection molding in the present embodiment.
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 it is the pitch of 1/4th spiral plate bodies that the length of center pipe box changes to.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.So change and also can reach effect of the present utility model.
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 (8)
1. helical baffles, it is characterized in that: this helical baffles comprises spiral plate body and center pipe box, the spiral plate body 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 90 ° or 180 °, the central axes of the central axis of center pipe box and spiral plate body, the outer wall of center pipe box is connected with interior circular arc side, center pipe box and spiral plate body integrated injection molding are evenly equipped with the circular hole that passes for heat exchanger tube on plate body.
2. helical baffles according to claim 1, it is characterized in that: when described first flank side surface and last flank side surface are in 180 °, the length of center pipe box is the pitch of 1/2nd spiral plate bodies, when described first flank side surface and last flank side surface were in 90 °, the length of center pipe box was the pitch of 1/4th spiral plate bodies.
3. helical baffles according to claim 1 is characterized in that: the lip limit face that is provided with mutual overlap joint at described first flank side surface and last flank side surface place respectively.
4. helical baffles according to claim 3 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.
5. according to described any helical baffles of claim 1-4, it is characterized in that: the distance sink tube that on described plate body, is provided with at least one and spiral plate body by integral forming.
6. helical baffles according to claim 5, it is characterized in that: when described first flank side surface and last flank side surface are in 180 °, described distance sink tube is provided with three, respectively be provided with a length at the back side of first flank side surface place and last flank side surface place lip limit face and be 1/2nd distance sink tube of spiral plate body pitch, two distance sink tubes are positioned at the both sides of spiral plate body, the distance sink tube that to be provided with a length on the excircle of spiral plate body be spiral plate body pitch, distance sink tube passes plate body, stretches out the equal in length of plate body both sides.
7. helical baffles according to claim 5, it is characterized in that: when described first flank side surface and last flank side surface were in 90 °, described distance sink tube was provided with two, is provided with on the circumferential periphery, be separately positioned on the both sides of spiral plate body, the length of distance sink tube is the pitch of 1/2nd spiral plate bodies.
8. according to described any helical baffles of claim 1-4, it is characterized in that: one-body molded on the external arc side of described spiral plate body have one to seal the convex edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261937U CN202018232U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201261937U CN202018232U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018232U true CN202018232U (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201261937U Expired - Fee Related CN202018232U (en) | 2011-04-26 | 2011-04-26 | Spiral baffle plate |
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| Country | Link |
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| CN (1) | CN202018232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014950A (en) * | 2014-05-05 | 2014-09-03 | 泰州市恒源建材机械有限公司 | Reinforcement steel framework seam welder with steel bar penetrating assisting plate and use method thereof |
| CN109595970A (en) * | 2018-12-28 | 2019-04-09 | 滨州中科催化技术有限公司 | Helical baffles and heat exchanger |
| CN110567298A (en) * | 2019-09-23 | 2019-12-13 | 重庆邮电大学 | Nested formula spiral baffling board and heat exchanger |
-
2011
- 2011-04-26 CN CN2011201261937U patent/CN202018232U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014950A (en) * | 2014-05-05 | 2014-09-03 | 泰州市恒源建材机械有限公司 | Reinforcement steel framework seam welder with steel bar penetrating assisting plate and use method thereof |
| CN109595970A (en) * | 2018-12-28 | 2019-04-09 | 滨州中科催化技术有限公司 | Helical baffles and heat exchanger |
| CN110567298A (en) * | 2019-09-23 | 2019-12-13 | 重庆邮电大学 | Nested formula spiral baffling board and heat exchanger |
| CN110567298B (en) * | 2019-09-23 | 2021-03-16 | 重庆邮电大学 | Nested formula spiral baffling board and heat exchanger |
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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: 20111026 Termination date: 20140426 |