CN101762208A - On-line cleaning and de-dusting element of heat exchange tube with directional tail wing - Google Patents
On-line cleaning and de-dusting element of heat exchange tube with directional tail wing Download PDFInfo
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- CN101762208A CN101762208A CN200910244450A CN200910244450A CN101762208A CN 101762208 A CN101762208 A CN 101762208A CN 200910244450 A CN200910244450 A CN 200910244450A CN 200910244450 A CN200910244450 A CN 200910244450A CN 101762208 A CN101762208 A CN 101762208A
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Abstract
The invention discloses an on-line cleaning and de-dusting element of a heat exchange tube with a directional wing, which belongs to technical field of on-line cleaning and de-dusting; the characteristics are as follows: the element comprises: a solid rubber ball, a plurality of tilt wings or spiral wings, a plurality of flow-blocking wings and a directional tail wing, wherein, the plurality of tilt wings are evenly arranged at the surface of the solid rubber ball at the circumferential direction, the largest outline of the tilt wings is in a ball shape, meanwhile, the directional tail wing and the flow-blocking wings presenting a crisscross shape are connected to the surface of the solid rubber ball, the connection location is the junction of a rotating shaft of the solid rubber ball where the plurality of tilt wings are evenly arranged along the circumferential direction and the spherical surface of the solid rubber ball, and the largest outline of the flow-blocking wings is in a ball shape. The cleaning and de-dusting element with the directional tail wing provided by the invention moves forward along with the fluid body and simultaneously generates rotation under the effect of the fluid body in the heat exchange tube, and has advantages of good cleaning and de-dusting effect and being not easy to block the heat exchange tube.
Description
Technical field
The present invention relates to a kind of member for online cleaning and removing scale of heat exchange tube with directed empennage.
Background technology
Shell-and-tube heat exchanger is used in a large number and widely at industrial circles such as electric power, chemical industry and oil, and the heat exchanger overwhelming majority that is in operation all has the phenomenons of contamination and fouling, particularly adopts the condenser, water cooler of recirculated water cooling etc.The contamination of heat exchanger and fouling cause the equipment heat transfer coefficient to reduce, and energy consumption increases, even plugging occurs and cause equipment normally to move; Fouling also can form underdeposit corrosion, shortens the service life of equipment.At present, cleaning and scale removal mode in the shell-and-tube heat exchanger heat exchanger tube have online mode and non-online mode, and the on-line cleaning scale removal normally carries out having special advantages owing to what do not influence production.Online scale removal mainly contains modes such as spiral band/sheet class scale removal, reciprocal helical spring scale removal and glueballs cleaning and descaling in the Tube Sheet of Heat Exchanger at present, but all there is certain deficiency in these scale removal modes and influences its use.Spiral band/sheet class scale removal and reciprocal helical spring scale removal mode need be hung slotting scale removal object and influenced runner in heat exchanger tube, flow resistance is bigger, makes the entrainment in the fluid be easy to stop up in the heat exchanger tube simultaneously.Online glueballs cleaning technique is used comparatively general in plant condenser, but the glueballs that uses is the elastomer structure of many micropores softness at present, in use the hygrometric state diameter of glueballs and proportion are difficult to accurately controlled, also be easy to by mud, dirt and microorganism etc. accompanyingly, cause that the cleaning and descaling effect is not ideal enough, ball collecting rate is low, be easy to problems such as plugging.
Patent documentation ZL200710098489.0 discloses a kind of member for online cleaning and removing scale of heat exchange tube, it is characterized in that: have some runners that become spiral or inclination with the centre rotational axis line, described runner is to be separated by the projection of spiral or the inclination diameter of Spherical Volume with described spherical glueballs; The external diameter of described spherical glueballs is not more than 2% because of the change that submergence produces, and the density of spherical glueballs is not more than 5% because of the variation that submergence produces, and the fluid density error of the density of spherical glueballs and conveying is not more than 10%.The disclosed architectural feature of this patent documentation has partly overcome above-mentioned deficiency, there are the following problems but also: 1, glueballs for the spherical structure of being with the spiral wing, the direction of motion of its minimal flow resistance is not the direction of designed rotation, test shows that its rotation is generally perpendicular to the rotation of this design, in heat exchanger tube horizontal translation or rolling generally promptly at heat exchanger tube, and stopping up may appear in the direction that departs from the rotation of this design or the problem of cleaning performance difference, though mention " for make spherical glueballs in heat exchanger tube better by the direction motion of setting, can also install on spherical glueballs surface controlling party to the tail rope class.", but and unexposed its details, experiment shows that " tail rope class " structure can not control by the motion of the rotation direction that sets.2, for the glueballs of elliposoidal structure, though can guarantee to move by the direction of setting, the horizontal problem that gets lodged in the heat exchanger tube inner termination appears especially easily in heat exchanger tube.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of member for online cleaning and removing scale of heat exchange tube that is not prone to the directed empennage of the effective band of plugging, cleaning and descaling.
The invention is characterized in,
Contain: solid glueballs, a plurality of inclination wing, several baffle wings and a directed empennage, wherein:
A plurality of inclination wings circumferentially are evenly arranged in described solid glueballs surface, and the maximum outline of inclination wing is spherical;
Several baffle wings, be the sphere that 2 cruciform shape are arranged in described solid glueballs, and the junction is the rotating shaft and the sphere junction of solid glueballs of circumferentially evenly arranging the solid glueballs of a plurality of inclination wings, also is the two ends of screw, and the maximum outline of baffle wing is a sphere;
A directed empennage, be that a cylinder and a bead are formed, one end of cylinder connects bead and the other end connects described solid glueballs, and the junction of cylinder and described solid glueballs is circumferentially evenly to arrange one of the rotating shaft of solid glueballs of a plurality of inclination wings and sphere junction of solid glueballs, also be an end of screw, the cylinder of the cylinder of directed empennage also links to each other with the baffle wing that cruciform shape is arranged in this place.
Described directed empennage substitutes with the fin of a cylinder and the aft mounted right-angled intersection of cylinder, and an end of cylinder connects the baffle wing of described solid glueballs and cruciform shape layout.
Described directed empennage substitutes with a cylinder, and an end of cylinder connects the baffle wing of described solid glueballs and cruciform shape layout.
Described inclination wing substitutes with the spiral wing.
The present invention is owing to take above technical scheme, it has the following advantages: on the ball surface of inclination wing glueballs directed empennage and baffle wing are set, can make it around inclination wing rotation rotation with travel forward, have and be not easy to stop up in the heat exchanger tube and the cleaning and descaling good effectiveness.
Description of drawings
Fig. 1 is embodiments of the invention one structural representations.
Fig. 2 is that embodiments of the invention one A is to schematic diagram.
Fig. 3 is that embodiments of the invention one B is to schematic diagram.
Fig. 4 is embodiments of the invention one operation principle schematic diagrames.
Fig. 5 is the operation principle schematic diagram of no empennage rotating wash bowl.
Fig. 6 is embodiments of the invention two structural representations.
Fig. 7 is embodiments of the invention three structural representations.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Embodiment 1:
As shown in Figure 1, the present invention includes a solid glueballs 1, a plurality of inclination wings 2 that the ball surface is circumferentially evenly arranged, directed stern post 3, glomeruli caudales 4, the baffle fore wing 6 of right-angled intersection and baffle hind wing 5.The glomeruli caudales 4 that directed stern post 3 is connected with the stern post end is formed directed empennage.Fig. 2 is that embodiments of the invention one A is to schematic diagram.Fig. 3 is that embodiments of the invention one B is to schematic diagram.Fig. 4 is embodiments of the invention one operation principle schematic diagrames, and 7 is in the heat exchanger tube to be cleaned among the figure.Fig. 5 is the operation principle schematic diagram of no empennage rotating wash bowl, as with the contrast of operation principle of the present invention, 7 is in the heat exchanger tube to be cleaned among the figure, 8 is the rotating wash bowl of the magnetic tape trailer wing not.
The inclination wing of present embodiment is 8, circumferentially is evenly arranged in described solid glueballs surface, and the maximum outline of inclination wing is spherical.The effect of inclination wing is when scraping heat exchanger tube internal face is cleaning and descaling, makes this cleaning and descaling component produce rotation.Cleaning and descaling component produces rotation not only can obtain better cleaning and descaling effect, gets characteristics but also have the little and difficult obstruction of flow resistance heat exchanger tube.
The baffle fore wing 6 of present embodiment and baffle hind wing 5, be respectively 4 fins and be the sphere that cruciform shape is arranged in described solid glueballs, and the junction is circumferentially evenly to arrange the rotating shaft of solid glueballs of a plurality of inclination wings and the sphere junction of solid glueballs, also be the two ends of screw, the maximum outline of baffle wing is spherical.
The directed empennage of present embodiment is that a cylinder 3 and a bead 4 are formed, one end of cylinder 3 connects bead 4 and the other end connects described solid glueballs 1, and the junction of cylinder and described solid glueballs is circumferentially evenly to arrange one of the rotating shaft of solid glueballs of a plurality of inclination wings and sphere junction of solid glueballs, also be an end of screw, the cylinder of the cylinder of directed empennage also links to each other with the baffle wing that cruciform shape is arranged in this place.
For the rotating wash bowl of the magnetic tape trailer wing not, it is in the state as Fig. 5 usually in heat exchanger tube, because this rotating wash bowl is in the fluid flow resistance minimum of this state, thereby its cleaning performance is poor; When rate of flow of fluid was low, this rotating wash bowl was trapped in the heat exchanger tube, and promptly occurred stopping up in the heat exchanger tube when a plurality of rotating wash bowls are detained.Embodiments of the invention one operation principle as shown in Figure 4, it is tilting rather than horizontal in heat exchanger tube that directed empennage (glomeruli caudales 4 that directed stern post 3 is connected with the stern post end) makes that rotating wash bowl is in usually, when the heat exchanger tube inner fluid promotes a kind of member for online cleaning and removing scale of heat exchange tube with directed empennage of the present invention with the proal while of fluid, a part of fluid flows through between the inclination wing and makes this cleaning and descaling component produce to rotatablely move.A kind of member for online cleaning and removing scale of heat exchange tube with directed empennage of the present invention can not get lodged in the heat exchanger tube end, can not be blocked in the heat exchanger tube yet, and flow resistance is little, and cleans evenly in the heat exchanger tube, and cleaning and descaling is effective.
The material of present embodiment is a modified high polymer composite material, and the density of its density and working fluid is approaching, and has favorable elasticity and wearability.Because the favorable elasticity of its material, directed empennage is in case of bending usually, pass through in order further to stop in the space of fluid beyond the spiral of ball or inclination wing, make it have better cleaning and descaling and logical ball effect, be provided with the baffle fore wing 6 and the baffle hind wing 5 that are right-angled intersection at the remainder (also being the two ends of screw) of entity outer surface of ball except that arranging the inclination wing.
The thickness of the inclination wing of present embodiment is 0.6-1.5mm, wing height 2-3mm.The thickness range of wing is generally 0.5-3mm, and then owing to poor flexibility occurs stopping up in the heat exchanger tube, there is the problem of the processing difficulties and the lost of life in the thickness of wing less than 0.5mm to the thickness of wing greater than 3mm.The altitude range of wing is generally 1.5-4mm, the height of wing then occurs being blocked in the heat exchanger tube owing to poor flexibility less than 1.5mm easily, the height of wing is greater than 4mm, not only processing difficulties but also occur easily being easy to stop up in the heat exchanger tube under the low discharge situation because the space is excessive.It is that wing is thinner that present embodiment adopts the reason of inclination wing, and the spiral wing is difficult with processing, and the inclination wing is easy to processing relatively.The inclination angle of the outer inclination wing of circumferentially evenly arranging of the ball of present embodiment is 60 degree, its tilt angle ranges is general 30-75 degree, angle too small then have big space between wing and make part heat exchanger tube inwall clean less than, cleaning performance is poor, angle is excessive problem such as to occur stopping up between wing easily.The quantity of the ball outer incline wing of present embodiment is 8, and its quantitative range is generally 4-12, quantity cross have big space between wing at least and make part heat exchanger tube inwall clean less than, cleaning performance is poor, problem too much appears stopping up between wing etc. in quantity easily.
The solid glueballs periphery of present embodiment is the inclination wing to a plurality of rotating fins of even layout, also can be the spiral wing.
Embodiment 2:
As shown in Figure 6, the difference of present embodiment and embodiment 1 is: directed empennage is that a cylinder and the aft mounted a plurality of fins of cylinder (tail fin) are formed.Substitute the afterbody bead with tail fin, can further strengthen the cleaning and descaling effect of empennage, but weak point is easy to wear.
Embodiment 3:
As shown in Figure 7, the difference of present embodiment and embodiment 1 is: directed empennage is that a cylinder (stern post) is formed, and its structure is simpler.
Claims (4)
1. the member for online cleaning and removing scale of heat exchange tube with directed empennage is characterized in that, contains: solid glueballs, a plurality of inclination wing, several baffle wings and a directed empennage, wherein:
A plurality of inclination wings circumferentially are evenly arranged in described solid glueballs surface, and the maximum outline of inclination wing is spherical;
Several baffle wings, be the sphere that 2 cruciform shape are arranged in described solid glueballs, and the junction is the rotating shaft and the sphere junction of solid glueballs of circumferentially evenly arranging the solid glueballs of a plurality of inclination wings, also is the two ends of screw, and the maximum outline of baffle wing is a sphere;
A directed empennage, be that a cylinder and a bead are formed, one end of cylinder connects bead and the other end connects described solid glueballs, and the junction of cylinder and described solid glueballs is circumferentially evenly to arrange one of the rotating shaft of solid glueballs of a plurality of inclination wings and sphere junction of solid glueballs, also be an end of screw, the cylinder of the cylinder of directed empennage also links to each other with the baffle wing that cruciform shape is arranged in this place.
2. a kind of member for online cleaning and removing scale of heat exchange tube according to claim 1 with directed empennage, it is characterized in that: described directed empennage substitutes with the fin of a cylinder and the aft mounted right-angled intersection of cylinder, and an end of cylinder connects the baffle wing of described solid glueballs and cruciform shape layout.
3. a kind of member for online cleaning and removing scale of heat exchange tube with directed empennage according to claim 1 is characterized in that: described directed empennage substitutes with a cylinder, and an end of cylinder connects the baffle wing of described solid glueballs and cruciform shape layout.
4. a kind of member for online cleaning and removing scale of heat exchange tube with directed empennage according to claim 1 is characterized in that: described inclination wing substitutes with the spiral wing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102444504A CN101762208B (en) | 2009-12-31 | 2009-12-31 | On-line cleaning and de-dusting element of heat exchange tube with directional tail wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102444504A CN101762208B (en) | 2009-12-31 | 2009-12-31 | On-line cleaning and de-dusting element of heat exchange tube with directional tail wing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101762208A true CN101762208A (en) | 2010-06-30 |
| CN101762208B CN101762208B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102444504A Expired - Fee Related CN101762208B (en) | 2009-12-31 | 2009-12-31 | On-line cleaning and de-dusting element of heat exchange tube with directional tail wing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881575A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Rubber ball with hollow structure and random motions for heat exchange tube |
| CN101886892A (en) * | 2010-07-06 | 2010-11-17 | 北京化工大学 | Bullet-shaped self-cleaning enhanced heat transfer component |
| CN102155861A (en) * | 2011-01-13 | 2011-08-17 | 清华大学 | Cleaning and descaling element in heat exchange tube |
| CN102921682A (en) * | 2012-11-08 | 2013-02-13 | 清华大学 | Washing descaling ball with mesh surface |
| CN117128788A (en) * | 2023-10-23 | 2023-11-28 | 四川科新机电股份有限公司 | Tubular heat exchanger |
-
2009
- 2009-12-31 CN CN2009102444504A patent/CN101762208B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881575A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Rubber ball with hollow structure and random motions for heat exchange tube |
| CN101886892A (en) * | 2010-07-06 | 2010-11-17 | 北京化工大学 | Bullet-shaped self-cleaning enhanced heat transfer component |
| CN101881575B (en) * | 2010-07-06 | 2012-04-18 | 北京化工大学 | Rubber ball with hollow structure and random motions for heat exchange tube |
| CN102155861A (en) * | 2011-01-13 | 2011-08-17 | 清华大学 | Cleaning and descaling element in heat exchange tube |
| CN102155861B (en) * | 2011-01-13 | 2013-01-30 | 清华大学 | Cleaning and descaling element in heat exchange tube |
| CN102921682A (en) * | 2012-11-08 | 2013-02-13 | 清华大学 | Washing descaling ball with mesh surface |
| CN102921682B (en) * | 2012-11-08 | 2015-04-15 | 清华大学 | Washing descaling ball with mesh surface |
| CN117128788A (en) * | 2023-10-23 | 2023-11-28 | 四川科新机电股份有限公司 | Tubular heat exchanger |
| CN117128788B (en) * | 2023-10-23 | 2024-01-05 | 四川科新机电股份有限公司 | Tubular heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101762208B (en) | 2011-06-29 |
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Granted publication date: 20110629 Termination date: 20201231 |
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