CN109186312B - Heat radiator with scale-removing baffle plate - Google Patents
Heat radiator with scale-removing baffle plate Download PDFInfo
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- CN109186312B CN109186312B CN201811240721.4A CN201811240721A CN109186312B CN 109186312 B CN109186312 B CN 109186312B CN 201811240721 A CN201811240721 A CN 201811240721A CN 109186312 B CN109186312 B CN 109186312B
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- plate
- baffle plate
- circular
- taiji
- holes
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Classifications
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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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Pipe Accessories (AREA)
- Sewage (AREA)
Abstract
A heat radiator of a baffle plate capable of descaling belongs to the technical field of heat radiators of baffle plates, and particularly relates to a heat radiator of a baffle plate capable of descaling. The invention provides a heat radiator with a scale-removing baffle plate. The invention comprises a water pipe joint for axial fixation, a peripheral supporting plate, a baffle plate, a positioning shaft and an elastic support for radial fixation; the middle part of the inner wall of the length direction of the water pipe joint is provided with a peripheral support plate, the outer end of the peripheral support plate is connected with the inner wall of the water pipe joint, the middle part of the peripheral support plate is connected with one end of a positioning shaft, the other end of the positioning shaft is provided with an elastic support, and the inner walls of the water pipe joints at two sides of the peripheral support plate are provided with connecting threads; the locating shaft is provided with a limiting part for limiting the position of the baffle plate; the baffle plate adopts a circular plate, a spring plate structure is arranged at a through hole in the middle of the circular plate, and a group of holes with different specifications and a group of holes with Taiji shapes are formed in the circular plate.
Description
Technical Field
The invention belongs to the technical field of baffle plate heat dissipation devices, and particularly relates to a scale-removing baffle plate heat dissipation device.
Background
In countries with the same latitude as china, heating has been a trend. However, in the heating pipeline, particularly in the household pipe and the factory heating pipe, a large amount of scale exists, so that the service life is reduced, and in addition, the heat dissipation efficiency is lower due to the existence of a fluid boundary layer because of a single pipeline structure. The device which can remove the scale and improve the heat dissipation is greatly demanded.
Disclosure of Invention
The invention aims at the problems and provides a heat dissipation device with a scale-removing baffle plate.
In order to achieve the purpose, the invention adopts the following technical scheme that the invention comprises a water pipe joint for axial fixation, a circumferential support plate, a baffle plate, a positioning shaft and an elastic bracket for radial fixation;
the middle part of the inner wall of the length direction of the water pipe joint is provided with a peripheral support plate, the outer end of the peripheral support plate is connected with the inner wall of the water pipe joint, the middle part of the peripheral support plate is connected with one end of a positioning shaft, the other end of the positioning shaft is provided with an elastic support, and the inner walls of the water pipe joints at two sides of the peripheral support plate are provided with connecting threads;
the locating shaft is provided with a limiting part for limiting the position of the baffle plate;
the baffle plate adopts a circular plate, one side of a through hole in the middle of the circular plate is provided with a spring plate structure, and the circular plate is provided with a group of holes with different specifications and a group of holes with Taiji shapes.
As a preferable scheme, the peripheral support plate comprises a connecting sleeve with a circular section, one end of the connecting sleeve is closed, the other end of the connecting sleeve is used for inserting and fixing a positioning shaft with a circular section, four rectangular peripheral support plates with cross shapes are distributed on the periphery of the connecting sleeve, and the axial direction of the positioning shaft is consistent with the axial direction of a water pipe joint with a circular section; the connection part of the peripheral support plate and the connecting sleeve is the whole broadside of the peripheral support plate, and the length of the connection part is equivalent to that of the connecting sleeve; the outer end of the peripheral supporting plate is connected with the inner wall of the water pipe joint.
As another preferable scheme, the holes with different specifications comprise two round holes with different sizes, and a group of holes with the shape of the Taiji comprises two holes with the same shape of the Taiji; the big round hole and the hole of a Taiji shape form a combination, the small round hole and the hole of another Taiji shape form another combination, and the two combinations are arranged at two sides of the annular plate.
As another preferable scheme, the aperture of the large round hole is 3.45mm, the aperture of the small round hole is 1.73mm, and the thickness of the baffle plate is 0.15mm.
As another preferred embodiment, the width of the Tai Ji-shaped hole is 6.9mm.
As another preferable scheme, the directions of rotation of the two Taiji-shaped holes are identical, and the round holes in each combination are arranged on the round corner sides of the Taiji-shaped holes.
As another preferable scheme, the elastic sheet structure comprises two identical semicircular sheets, the two semicircular sheets are in butt joint to form a whole circular ring, the outer diameter of the whole circular ring is smaller than the diameter of a central hole of a circular ring plate, and the central hole of the whole circular ring is a through hole of a positioning shaft;
two sides of the lower end of the outer edge of each semicircular ring piece are connected with the edge of the central hole of the circular plate through an outwards convex arc-shaped elastic piece.
As another preferable scheme, the elastic sheet structure is welded and fixed with the annular plate.
As another preferable scheme, the limiting part adopts a cone positioning block group, wherein the cone positioning block group comprises two cone positioning blocks with opposite big head ends, and the center line of a positioning shaft is overlapped with the center line of the cone positioning block; the diameter of the large head end of the cone positioning block is larger than the inner diameter of the whole circular ring and smaller than the central aperture of the circular ring plate.
As another preferable scheme, the cone positioning block groups are multiple groups and are uniformly distributed along the length direction of the positioning shaft.
As another preferable scheme, the elastic support comprises a circular plate connected with a positioning shaft, wherein the central line of the positioning shaft passes through the center of the circular plate; three arc-shaped elastic sheets which are outwards bent towards the side of the peripheral supporting plate are uniformly distributed on the peripheral edge of the circular plate.
As another preferable scheme, the circumferential support plate is welded with the water pipe joint and the positioning shaft respectively.
As another preferable scheme, the elastic support is welded with the positioning shaft.
As another preferable scheme, the inner side contour of the half side Kong Jianjiao of the Taiji shape is formed by a nearly semicircular sloping plate on a circular plate, the sloping plate protrudes obliquely to the spring plate structure, the outer arc side of the sloping plate is the inner side contour line of the half side Kong Jianjiao of the Taiji shape, the straight edge of the sloping plate is connected with the circular plate, and the inner side of the straight edge is in the same plane with the circular plate.
As another preferable scheme, the included angle between the inclined plate and the baffle plate plane is 10 degrees.
And secondly, the connection part of the inclined plate and the baffle plate is provided with a press bend, and the width of the press bend is gradually reduced from the round corner side to the sharp corner side of the Taiji-shaped hole.
In addition, the Kong Jianjiao end of the Taiji shape is provided with a connecting part corresponding to the shape of the sharp corner end, and the outer end of the connecting part is a concave cambered surface.
The invention has the beneficial effects that.
The invention is suitable for heating system pipelines, can improve heating efficiency and effectively prevent scale from generating.
The invention fully utilizes the kinetic energy of the fluid and controls the relative magnitude of the inertia force and the viscous force of the fluid so as to achieve the functions of descaling and scale prevention; the thickness of the boundary layer is greatly reduced, and the heat dissipation efficiency is well improved.
The invention realizes axial fixation by means of threaded connection and radial fixation by means of an elastic support.
The baffle plate is provided with holes with different specifications so as to increase the water flow speed and change the water flow direction, thereby achieving the purposes of descaling and heat dissipation.
When water passes through, the Taiji-shaped holes on the baffle plate can change the water pressure to realize the circumferential rotation of the baffle plate, so that the forced convection is accelerated, and the heat dissipation efficiency is improved. The other group of holes can enable the baffle plate to swing in the axial direction, and the boundary layer thickness is changed to speed up the boundary speed so as to realize descaling.
The internal threads on the two sides of the water pipe joint can be connected with the external threads in the heat supply pipe, so that the pipeline can be sealed.
During installation, the whole device is pressed into the heat supply pipe, and the elastic support is in a compressed state at the moment and can generate extrusion force on the inner wall of the heat supply pipe, so that radial fixation is realized.
Drawings
The invention is further described below with reference to the drawings and the detailed description. The scope of the present invention is not limited to the following description.
Fig. 1 is an overall cross-sectional view of a descaled baffle heat sink.
FIG. 2 is a detail view of a locating shaft of a descaleable baffle heat sink.
Fig. 3 is a detail view of a baffle plate provided with a sloping plate.
Fig. 4 is a detail view of the baffle placement.
In the figure: 11. a water pipe joint; 12. a peripheral support plate; 13. positioning a shaft; 14. a cone positioning block; 15. an elastic support; 2. a baffle plate; 21. a Tai Ji shaped hole; 22. a circular plate; 23. a spring plate structure; 24. a set of holes of different specifications; 3. a water pipe; 25. a sloping plate; 26. bending; 27. a connecting part with a corresponding sharp corner end shape; 28. a large round hole; 4. and (5) connecting threads.
Detailed Description
As shown, the present invention includes a water pipe joint 11 for axial fixation, a circumferential support plate 12, a baffle plate, a positioning shaft 13, and an elastic bracket 15 for radial fixation;
the middle part of the inner wall of the water pipe joint 11 in the length direction is provided with a peripheral support plate 12, the outer end of the peripheral support plate 12 is connected with the inner wall of the water pipe joint 11, the middle part of the peripheral support plate 12 is connected with one end of a positioning shaft 13, the other end of the positioning shaft 13 is provided with an elastic support 15, and connecting threads are arranged on the inner walls of the water pipe joints 11 on two sides of the peripheral support plate 12;
the positioning shaft 13 is provided with a limiting member for limiting the position of the baffle plate.
The peripheral support plate 12 comprises a connecting sleeve with a circular section, one end of the connecting sleeve is closed, the other end of the connecting sleeve is used for inserting and fixing a positioning shaft 13 with a circular section, four rectangular peripheral support plates with cross shapes are distributed on the periphery of the connecting sleeve, and the axial direction of the positioning shaft 13 is consistent with the axial direction of a water pipe joint 11 with a circular section; the connection part of the peripheral support plate and the connecting sleeve is the whole broadside of the peripheral support plate 12, and the length of the connection part is equal to that of the connecting sleeve; the outer end of the peripheral supporting plate 12 is connected with the inner wall of the water pipe joint 11.
The baffle plate adopts a circular plate 22, one side of a through hole in the middle of the circular plate 22 is provided with a spring plate structure, and the circular plate 22 is provided with a group of holes 24 with different specifications and a group of holes with Taiji shapes.
The set of holes 24 of different specifications comprises two circular holes of different sizes, and the set of holes of the Taiji shape comprises two holes 21 of the same Taiji shape; the large round hole and the hole 21 with the shape of the Tai Ji form a combination, the small round hole and the hole 21 with the shape of the other Tai Ji form another combination, and the two combinations are arranged on two sides of the annular plate 22.
According to Bernoulli's equation, the baffle plate 2 can increase the flow velocity of fluid in a pipeline, meanwhile, a group of holes 24 with different specifications are formed in the baffle plate 2, two holes with different sizes are formed in the same cross section, water can flow out of the two holes respectively, the water flow velocity of a larger hole is larger when the pressure is constant at the left side of the baffle plate, and the water flow velocity of a smaller hole is smaller. Therefore, a pressure difference is formed on the right side of the baffle plate, fluid with a lower flow speed flows to fluid with a higher flow speed, continuous force is generated by fluid disturbance to enable scale on the pipe wall to fall off, and strong heat convection is generated by fluid disturbance to accelerate heat dissipation.
The aperture of the large round hole is 3.45mm, the aperture of the small round hole is 1.73mm, and the thickness of the baffle plate is 0.15mm.
The width of the Taiji shaped hole 21 is 6.9mm (i.e. the diameter of a whole circular hole is formed by butt joint of the curved sides of two holes 21 with the same Taiji shape).
The inner diameter of the water pipe can be 25mm, and the outer diameter of the water pipe can be 32mm.
The baffle plate can rotate and swing at the limiting part, and the swing amplitude can reach 15 degrees.
The rotation directions of the two Tai-Chi-shaped holes 21 are identical, and the round holes in each combination are arranged on the round corner sides of the Tai-Chi-shaped holes 21.
The elastic sheet structure comprises two identical semicircular sheets, the two semicircular sheets are in butt joint to form a whole circular ring, the outer diameter of the whole circular ring is smaller than the diameter of a central hole of the circular ring plate 22, and the central hole of the whole circular ring is a through hole of the positioning shaft 13;
the two sides of the lower end of the outer edge of each semicircular ring piece are connected with the edge of the central hole of the annular plate 22 through an outwards convex arc-shaped elastic piece.
The spring plate structure is welded and fixed with the annular plate 22.
The limiting part adopts a cone positioning block group, the cone positioning block group comprises two cone positioning blocks 14 with opposite big head ends, and the center line of the positioning shaft 13 is overlapped with the center line of the cone positioning blocks 14; the diameter of the large head end of the cone positioning block 14 is larger than the inner diameter of the whole circular ring and smaller than the central aperture of the circular ring plate 22. The elastic sheet structure is contracted in a normal state, when the installation is carried out, the opening of the elastic sheet is enlarged (the two semicircular sheets are spread), the baffle plate is pushed into the cone positioning block group on the positioning shaft, and then the elastic sheet is naturally contracted (the two semicircular sheets are restored to be in butt joint), so that the installation is completed. The baffle plate is positioned by adopting the cone positioning block group, so that the baffle plate is convenient to push in and cannot fall off.
The cone positioning block groups are multiple groups and are uniformly distributed along the length direction of the positioning shaft 13.
The elastic support 15 comprises a circular plate connected with the positioning shaft 13, and the central line of the positioning shaft 13 passes through the center of the circular plate; three arc-shaped elastic sheets which are outwards bent towards the side of the peripheral support plate 12 are uniformly distributed on the peripheral edge of the circular plate in the circumferential direction. The elastic support structure is adopted for circumferential fixation, so that the resistance to fluid is greatly reduced, and the elastic support structure is convenient and quick.
The peripheral support plate 12 is welded with the water pipe joint 11 and the positioning shaft 13, respectively.
The elastic support 15 is welded with the positioning shaft 13.
The inner side profile of the sharp corner half of the Taiji-shaped hole 21 is formed by a nearly semicircular inclined plate on the annular plate 22, the inclined plate inclines and protrudes to the side of the elastic plate structure, the outer arc side of the inclined plate is the inner side profile line of the sharp corner half of the Taiji-shaped hole 21, the straight side of the inclined plate is connected with the annular plate, and the inner side of the straight side is in the same plane with the annular plate 22.
The inclined plate and the baffle plate form an included angle of 10 degrees.
The connection part of the inclined plate and the baffle plate is provided with a press bend, and the width of the press bend is gradually reduced from the round corner side to the sharp corner side of the Taiji-shaped hole 21.
The sharp corner end of the Taiji-shaped hole 21 is provided with a connecting part corresponding to the shape of the sharp corner end, and the outer end of the connecting part is a concave cambered surface.
The operation of the present invention will be described with reference to the accompanying drawings.
When the constant-pressure constant-temperature water flows in from the left end shown in fig. 1 and flows through the baffle plate 2, the Taiji-shaped holes 21 on the baffle plate 2 change the water pressure to realize the circumferential rotation of the baffle plate 2 when the water passes through, so that the forced convection is accelerated, and the heat dissipation efficiency is improved. The baffle plate 2 can swing in the axial direction by the other group of holes 24 with different specifications, the boundary layer thickness is changed, the boundary speed is increased, the descaling is realized, and the scale flows out along with the pipeline.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (7)
1. A scale-removing baffle plate heat radiator comprises a water pipe joint for axial fixation, a peripheral support plate, a baffle plate, a positioning shaft and an elastic support for radial fixation;
the device is characterized in that a peripheral support plate is arranged in the middle of the inner wall of the water pipe joint in the length direction, the outer end of the peripheral support plate is connected with the inner wall of the water pipe joint, the middle of the peripheral support plate is connected with one end of a positioning shaft, an elastic support is arranged at the other end of the positioning shaft, and connecting threads are arranged on the inner walls of the water pipe joints at two sides of the peripheral support plate;
the locating shaft is provided with a limiting part for limiting the position of the baffle plate;
the baffle plate adopts a circular plate, one side of a through hole in the middle of the circular plate is provided with a spring plate structure, and the circular plate is provided with a group of holes with different specifications and a group of holes with Taiji shapes;
the holes with different specifications comprise two round holes with different sizes, and the holes with the same Taiji shape are included in one group of holes with the Taiji shape; the large round hole and one Taiji-shaped hole form a combination, the small round hole and the other Taiji-shaped hole form another combination, and the two combinations are arranged on two sides of the annular plate;
the rotation directions of the two Taiji-shaped holes are consistent, and the round hole in each combination is arranged on the round corner side of the Taiji-shaped hole;
the elastic sheet structure comprises two identical semicircular sheets, the two semicircular sheets are in butt joint to form a whole circular ring, the outer diameter of the whole circular ring is smaller than the diameter of a central hole of the circular ring plate, and the central hole of the whole circular ring is a through hole of a positioning shaft;
two sides of the lower end of the outer edge of each semicircular ring piece are connected with the edge of the central hole of the circular plate through an outwards convex arc-shaped elastic piece;
when water passes through, the Taiji-shaped holes on the baffle plate can change the water pressure to realize the circumferential rotation of the baffle plate, so that the forced convection is accelerated, and the heat dissipation efficiency is improved; the other group of holes with different specifications can enable the baffle plate to swing in the axial direction, the boundary layer thickness is changed, the boundary speed is increased, scale removal is realized, and the scale flows out along with the pipeline.
2. The heat radiator of the descaling baffle plate as claimed in claim 1, wherein the peripheral support plate comprises a connecting sleeve with a circular section, one end of the connecting sleeve is closed, the other end of the connecting sleeve is used for inserting and fixing a positioning shaft with a circular section, four rectangular peripheral support plates with cross shapes are distributed on the periphery of the connecting sleeve, and the axial direction of the positioning shaft is consistent with the axial direction of a water pipe joint with a circular section; the connection part of the peripheral support plate and the connecting sleeve is the whole broadside of the peripheral support plate, and the length of the connection part is equivalent to that of the connecting sleeve; the outer end of the peripheral supporting plate is connected with the inner wall of the water pipe joint.
3. The heat abstractor of a scaleable baffle plate according to claim 1, wherein the limiting component adopts a cone positioning block group, the cone positioning block group comprises two cone positioning blocks with opposite big head ends, and the center line of a positioning shaft coincides with the center line of the cone positioning block; the diameter of the large head end of the cone positioning block is larger than the inner diameter of the whole circular ring and smaller than the central aperture of the circular ring plate.
4. A heat sink with a scaleable baffle plate according to claim 3, wherein the cone positioning block groups are multiple groups and are uniformly distributed along the length direction of the positioning shaft.
5. The heat sink of a scaleable baffle plate according to claim 1, wherein the elastic support comprises a circular plate connected with a positioning shaft, and the center line of the positioning shaft passes through the center of the circular plate; three arc-shaped elastic sheets which are outwards bent towards the side of the peripheral supporting plate are uniformly distributed on the peripheral edge of the circular plate.
6. The heat sink of the baffle plate capable of removing scale according to claim 1, wherein the inner side contour of the half side Kong Jianjiao of the Taiji shape is formed by a nearly semicircular sloping plate on the circular plate, the sloping plate protrudes obliquely to the spring plate structure, the outer arc side of the sloping plate is the inner side contour line of the half side Kong Jianjiao of the Taiji shape, the straight side of the sloping plate is connected with the circular plate, and the inner side of the straight side is in the same plane with the circular plate.
7. The heat sink of the scaleable baffle plate as claimed in claim 6, wherein the connection of the inclined plate and the baffle plate is provided with a press bend, and the width of the press bend is gradually reduced from the rounded corner side to the sharp corner side of the Taiji-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240721.4A CN109186312B (en) | 2018-10-23 | 2018-10-23 | Heat radiator with scale-removing baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240721.4A CN109186312B (en) | 2018-10-23 | 2018-10-23 | Heat radiator with scale-removing baffle plate |
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| Publication Number | Publication Date |
|---|---|
| CN109186312A CN109186312A (en) | 2019-01-11 |
| CN109186312B true CN109186312B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811240721.4A Active CN109186312B (en) | 2018-10-23 | 2018-10-23 | Heat radiator with scale-removing baffle plate |
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| Publication number | Publication date |
|---|---|
| CN109186312A (en) | 2019-01-11 |
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