CN201795716U - Bullet-shaped self-cleaning reinforced heat transfer element - Google Patents
Bullet-shaped self-cleaning reinforced heat transfer element Download PDFInfo
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- CN201795716U CN201795716U CN2010202591713U CN201020259171U CN201795716U CN 201795716 U CN201795716 U CN 201795716U CN 2010202591713 U CN2010202591713 U CN 2010202591713U CN 201020259171 U CN201020259171 U CN 201020259171U CN 201795716 U CN201795716 U CN 201795716U
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- bullet
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- assistant
- cleaning
- heat transfer
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Abstract
The utility model relates to a bullet-shaped self-cleaning reinforced heat transfer element, which mainly comprises a bullet head, wings and belts. The wings are helical edges extending outwardly from the outer surface of the bullet head; the belts are in circular ring structures connected with the wings; the bullet head is in the appearance of a streamline; the wings have certain helical angles; the number of the wings is larger than or equal to two; the wings are evenly distributed on the outer surface of the bullet head; and the inner ring structures of the belts are conical. The streamlined bullet head of the bullet-shaped self-cleaning reinforced heat transfer element is capable of guiding movement directions of the element with automatic guide performance, the wings on the bullet head are helical, fluids act on the wings so that the element runs to enhance cleaning force of the element, the annular belts arranged on the wings are provided with helical grooves or rubber nails, the outer surfaces of the belts contact with the inner surfaces of heat exchange tubes so that cleaning effect is strengthened, and the belts can simultaneously function in supporting the wings so that the strength of the element is enhanced and mutual interference of elements is prevented.
Description
Technical field
The utility model relates to a kind of interior inserted component that is applied to clean in the heat exchanger tube in the equipment such as shell-and-tube heat exchanger, heat exchange reactor dirt, and particularly a kind of have from guiding, lower resistance and the efficient element that cleans.
Background technology
Deposition dirt easily in the heat exchanger tube is when containing the fluid of impurity at cooling water particularly all the time, and for example when seawater, river, heat exchanger tube will deposit very thick dirt in very short time as 3-5 days.The dirt of deposition has very big harmfulness, and the thermal resistance of dirt is very big, has directly lowered the heat transfer efficiency in the heat exchanger tube greatly, and dirt is also had corrosivity in addition, can shorten the life-span of heat exchanger tube, thereby bring very big economic loss to factory.
The method of dirt has machine cleaning technique, glueballs cleaning technique and on-line cleaning technology in the heat exchanger tube for removing.The very big hydraulic pressure of machine pressure wash Technology Need, very high to the requirement of machine, but the result of machine pressure wash is not satisfactory, it is complete inadequately to clean dirt.The on-line cleaning technology is the technology that last decade grows up, for example clean with spiral band, directly spiral band is installed in the heat exchanger tube and cleans automatically, consequently the cleaning to dirt produces effect, but can pose a big pressure loss, this technology is perfect not enough simultaneously.Technology is to utilize the glueballs on-line cleaning relatively preferably, and shape and material can be adjusted, and has friction effect still can not damage tube wall to tube wall, and glueballs can reuse simultaneously, and cost is lower.Technology in the past is that glueballs has different structures, and combined structure type glueballs for example is divided into the glueballs of which floor combination, but make cumbersome because the geomery of glueballs is than greater than the heat exchanger tube internal diameter, so trafficability performance is bad, recovery is that glueballs is easily hindered, and organic efficiency is lower; When glueballs was made solid shape, the resistance of convection cell was bigger, easily blocks pipeline.China Patent No. 200710098489.0 has been announced a kind of rotatable cleaning element, but this element influences the operation of cleaning element in heat exchanger tube not from leading function.
The utility model content
The purpose of this utility model is a kind of cleaning element that is applied to clean in the heat exchanger tube inwall of design, described element is under the effect of heat exchanger tube inner fluid medium, have from leading function, and can rotate, reduce the resistance of convection cell, strengthen cleaning the effect of heat exchange tube wall dirt, and can improve the negotiability of cleaning element in heat exchanger tube, help improving the element cleaning efficiency.
The utility model is that the technical scheme that addresses the above problem employing is: a kind of bullet-shaped self-cleaning enhanced heat transfer component, comprise bullet, assistant and waistband, described assistant is that the bullet outer surface begins outward extending spiral shell rib, described waistband is the circular ring structure that connects assistant, described bullet profile is streamlined, have from leading function, improve the circulation in heat exchanger tube, reduce the resistance of convection cell; Assistant has certain helical angle, when fluid flows through element, assistant is subjected to perpendicular to the peripheral force that makes progress of footpath, and element can have the effect of disturbance fluid around the axial line rotation of bullet, strengthen the turbulent extent of fluid, reach the effect of augmentation of heat transfer, the element rotation helps improving the cleaning performance of element, and the quantity of assistant is more than or equal to two, be distributed on the bullet outer surface, element when rotated can the held stationary state.
Be provided with more than one annular belt in the assistant outer end, purpose is the intensity that increases element, and takes place to intersect when avoiding a plurality of elements to pile up and disturb; Be positioned at the waistband of the maximum gauge place of assistant offering and be provided with helicla flute or glue nail, the spiral fluted hand of spiral is consistent with the hand of spiral of assistant, help strengthening the turning moment of element, improve the cleaning performance of element, spiral fluted spiral shell rib heat exchanging tube wall has good scraping effect, helps strengthening the cleaning performance of element; Glue nail heat exchanging tube wall has the effect of well scrubbing, and the heat exchange tube wall can be cleaned more clean, and helicla flute or glue nail have destroyed the boundary layer of the fluid of heat exchanger tube inwall, have the augmentation of heat transfer effect.
The waistband of offering at assistant maximum place, the outer ring surface of waistband is a circular arc, and arc diameter is identical with the internal diameter of heat exchanger tube, and element can rotate when needs correcting direction; Ring structure is taper in the waistband, fluid flows into from the major diameter port of taper, strengthened fluid to element motive force forward, the while waistband is subjected to radial load and is radially expanded, contact area between waistband outer surface and the heat exchange tube wall is bigger, contact action power increases, and helps strengthening the cleaning performance of element.
The forming method of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model adopts split cavity injection moulding, and the die sinking direction is consistent with warhead axis, can a mould one chamber or the moulding of a multi-cavity mold injection injection.
The material of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model is high-molecular organic material or polymer composite, also can adopt two kinds of material composite moldings, adopt foaming to make the density of its element close with heat exchanger tube inner fluid density, the bullet axial line that helps element is consistent with the axial line of heat exchanger tube, guarantee element stable rotation in heat exchanger tube, have cleaning performance preferably.
Engraved structure can be adopted in the assistant inside of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model, reduces the resistance of convection cell, alleviates the weight of element, strengthens the kinematic dexterity of element, saves the material cost of element.
The beneficial effect that the utility model is used is: 1, described element has fairshaped warhead structure, and fluid acts on the element, and element has self function, helps improving the trafficability performance of element in heat exchanger tube; 2, assistant has certain helical angle, and fluid acts on the assistant, has produced the tangential moment that makes progress perpendicular to the footpath, and element rotates around the axial line of assistant, and the dynamic friction effect between element surface and the heat exchanger tube inwall strengthens, and has improved the element cleaning performance; 3, assistant can adopt engraved structure, reduces the quality of element and the resistance of convection cell, saves material cost; 4, on the assistant Waistband structure is arranged, on hoop, assistant is linked together, and play the effect of supporting assistant, strengthen the intensity of assistant, the service life of improving element; 5, the waistband inner surface of offering at assistant maximum gauge place is for conical, fluid flows to small end from the big end of taper hole, strengthened the motive force of fluid to element, improve the speed of service and the cleaning efficiency of element, waistband can expand simultaneously, strengthen the contact friction degree between waistband and the heat exchange tube wall, further improved the cleaning performance of element; 6, element adopts accurate split cavity injection moulding method, and the die sinking direction is consistent with the bullet axial direction, improves the product quality of element, can a multi-cavity mold, and increasing production efficiency; 7, can adopt homogenous material processing or multiple material Compound Machining, adopt the foaming technology density of the density of element and the fluid of heat exchanger tube can be consistent the cleaning performance of raising element.
Description of drawings
Fig. 1 is the front view of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the 3-D view of Fig. 1.
Fig. 4 is the front view of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model, and this element has two blades, and the waistband outside is provided with the glue nail.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the 3-D view of Fig. 4.
Among the figure, 1-bullet, 2-assistant, 3-waistband, 4-helicla flute, 5-glue nail, 6-cone structure, 7-engraved structure.
The specific embodiment
A kind of bullet-shaped self-cleaning enhanced heat transfer component that the utility model relates to, comprise bullet 1, assistant 2 and waistband 3, bullet 1 is a streamlined structure, assistant 2 is the spiral shell ribs on bullet 1 outer surface, and assistant 2 is provided with two waistbands 3, and waistband 3 is a cirque structure, Fig. 1 to Fig. 3 is the cleaning element structure chart that bullet 1 is provided with three assistants 2, Fig. 1 is the front view of the element of three assistant 2 structures, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the three-dimensional structure schematic diagram of Fig. 1; Fig. 4 to Fig. 6 is that bullet 1 is provided with two blade 2 structures, and assistant 2 is provided with small one and large one two waistbands 3, and waist rail 3 is provided with glue nail 5, and Fig. 4 is the front view of this element, and Fig. 5 is the left view of Fig. 4, and Fig. 6 is the three-dimensional structure schematic diagram of Fig. 4,
In a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model, bullet 1 profile is streamlined, has from leading function, improves the circulation in heat exchanger tube, reduces the resistance of convection cell; Assistant 2 has certain helical angle, when fluid flows through element, element can be around the axial line rotation of bullet 1, help improving the cleaning performance of element, the quantity of assistant 2 is more than or equal to two, guarantee that element when rotated can the held stationary state, be beneficial to the circulation of element in heat exchanger tube, improve cleaning efficiency.
Be provided with the annular belt 3 more than 1 in assistant 2 outer ends, described waistband 3 has increased the intensity of element, and takes place to intersect when avoiding a plurality of elements to pile up and disturb; Be positioned at the waistband of the maximum gauge place of assistant 2 offering 3 and be provided with helicla flute 4 or glue nail 5, the rotation direction of helicla flute 4 is identical with the rotation direction of assistant 2, strengthen the rotation dynamics of element, be arranged in the cleaning performance that glue nail 5 on waistband 3 outer surfaces helps strengthening element simultaneously;
At the waistband 3 that assistant 2 maximums are offered, interior ring is taper, and annular belt 3 is provided with cone structure 6, when fluid flows through described cone structure 6, fluid flows to small end from big end, and circulation area diminishes, and has increased the motive force of fluid to element, waistband 3 is subjected to radial load simultaneously, waistband expands, and can add waist rail 3 outer surfaces and heat exchanger tube inner surface is contact area, strengthens the cleaning performance of element, also destroy simultaneously the boundary layer of the fluid of heat exchanger tube inwall, had the augmentation of heat transfer effect.
The forming method of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model adopts split cavity injection moulding, and the die sinking direction is consistent with bullet 1 axis, can a mould one chamber or a multi-cavity mold injection moulding.
The material of a kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model is high-molecular organic material or polymer composite, also can adopt two kinds of material composite moldings, adopt foaming to make the density of its element close with heat exchanger tube inner fluid density, bullet 1 axial line that helps element is consistent with the axial line of heat exchanger tube, guarantee element stable rotation in heat exchanger tube, have cleaning performance preferably.
A kind of bullet-shaped self-cleaning enhanced heat transfer component of the utility model assistant 2 inside can adopt engraved structure 7, reduce the resistance of convection cell, alleviate the weight of element, strengthen the kinematic dexterity of element, save the material cost of element.
Claims (3)
1. bullet-shaped self-cleaning enhanced heat transfer component, it is characterized in that: mainly comprise bullet, assistant and waistband, described assistant is that the bullet outer surface begins outward extending spiral shell rib, described waistband is the circular ring structure that connects assistant, described bullet profile is streamlined, and assistant has helical angle, and the quantity of assistant is more than or equal to two, assistant is distributed on the bullet outer surface, and the interior ring structure of waistband is taper.
2. a kind of bullet-shaped self-cleaning enhanced heat transfer component according to claim 1 is characterized in that: waistband is provided with helicla flute or glue nail.
3. a kind of bullet-shaped self-cleaning enhanced heat transfer component according to claim 1 is characterized in that: assistant is an engraved structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591713U CN201795716U (en) | 2010-07-06 | 2010-07-06 | Bullet-shaped self-cleaning reinforced heat transfer element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591713U CN201795716U (en) | 2010-07-06 | 2010-07-06 | Bullet-shaped self-cleaning reinforced heat transfer element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795716U true CN201795716U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202591713U Expired - Fee Related CN201795716U (en) | 2010-07-06 | 2010-07-06 | Bullet-shaped self-cleaning reinforced heat transfer element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886892A (en) * | 2010-07-06 | 2010-11-17 | 北京化工大学 | Bullet-shaped self-cleaning enhanced heat transfer component |
| CN109047171A (en) * | 2018-08-30 | 2018-12-21 | 山东大学 | From indexable cleaning device and for the device of photocuring tissue engineering bracket cleaning |
-
2010
- 2010-07-06 CN CN2010202591713U patent/CN201795716U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886892A (en) * | 2010-07-06 | 2010-11-17 | 北京化工大学 | Bullet-shaped self-cleaning enhanced heat transfer component |
| CN109047171A (en) * | 2018-08-30 | 2018-12-21 | 山东大学 | From indexable cleaning device and for the device of photocuring tissue engineering bracket cleaning |
| CN109047171B (en) * | 2018-08-30 | 2024-03-19 | 山东大学 | Self-indexing cleaning device and device for cleaning photocuring tissue engineering bracket |
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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: 20110413 Termination date: 20120706 |