CN101033929A - Member for online cleaning and removing scale of heat exchange tube - Google Patents
Member for online cleaning and removing scale of heat exchange tube Download PDFInfo
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- CN101033929A CN101033929A CN 200710098489 CN200710098489A CN101033929A CN 101033929 A CN101033929 A CN 101033929A CN 200710098489 CN200710098489 CN 200710098489 CN 200710098489 A CN200710098489 A CN 200710098489A CN 101033929 A CN101033929 A CN 101033929A
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- heat exchange
- exchange tube
- density
- removing scale
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- 238000012545 processing Methods 0.000 description 2
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Abstract
The invention discloses an element that heat exchange tube cleans and releases contaminant; it is characterized in that it includes a global element which has some. Roundness space of global element are separated by screwing or inclining heave to form the flow passages; The change of the global element's external diameter due to immergence is smaller than 2%, The of due to immergence is smaller than 5%, the error of the global element's density and transporting fluid's density is smaller than 10%. The most biggest outer contour of the element cleaning and releasing contaminant appears spherical or elliptical or appears approximate, possesses flow passages screwing or inclining to a rotating axis, when fluid flows in the flow passage, it drives the global element at liberty in the heat exchange tube prepared for cleaning and releasing contaminant. Therefore it has the characteristics in that the cleanout is effectual, flowing resistance is small and not apt to jam the heat exchange tube.
Description
Technical field
The present invention relates to a kind of cleaning and descaling component, particularly about a kind of fluid motion member for online cleaning and removing scale of heat exchange tube of cleaning of exchange heat pipe that is used as power that utilizes.
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 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.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide that a kind of cleaning and descaling is effective, flow resistance is little, be not prone to the member for online cleaning and removing scale of heat exchange tube of plugging phenomenon.
For achieving the above object, the present invention takes following technical scheme: a kind of member for online cleaning and removing scale of heat exchange tube, it is characterized in that: it comprises a ball element, described ball element has some runners that become spiral or inclination with the centre rotational axis line, and described runner is to be separated by the projection of spiral or the inclination diameter of Spherical Volume with described ball element; The external diameter of described ball element is not more than 2% because of the change that submergence produces, and the density of ball element is not more than 5% because of the variation that submergence produces, and the fluid density error of the density of ball element and conveying is not more than 10%.
The maximum outline of described ball element is spherical in shape, a kind of in elliposoidal, almost spherical and the approximate elliposoidal.
The projection of described spiral or inclination is at least a in the hairbrush of helical form or skewed blade, helical form or skewed fin, helical arrangement or more than one combination.
The helical angle of described projection or inclination angle are 10 °~80 °, and described runner is a kind of in left-handed or left-leaning and dextrorotation or the Right deviation.
Be provided with the adjusting cavity of regulating ball element density in the described ball element, be provided with the medium that is used to regulate ball element density in the described adjusting cavity.
Described maximum outline is a non-smooth surface, and described non-smooth surface is a kind of in fine strip, netted, projection, the depression.
The material of described ball element is a kind of in non-foam macromolecular material and the non-foam polymer composite.
The present invention is owing to take above technical scheme, it has the following advantages: 1, because maximum outline spherical in shape or elliposoidal and the almost spherical or the elliposoidal of this cleaning and descaling component, has runner with certain rotation spiral or inclination, when fluid passes through in the runner of its spiral or inclination, make the ball element that in the heat exchanger tube of scale removal to be cleaned, is in free state produce fast rotational, thereby have the advantages that cleaning and descaling is effective, flow resistance is little, be not easy to stop up heat exchanger tube.2, because the making material of this cleaning and descaling component is non-foam macromolecular material (as plastics, rubber etc.) and composite thereof, physical dimension is stable during submergence, controllable density and stable, for the soft cleaning of many micropores glueballs, have and be not easy to stop up heat exchanger tube, be difficult for being worn, damage and race is lost, also be not easy to by mud, dirt and microorganism etc. accompanyingly, thereby have the longer life-span.3, because this cleaning and descaling component adopts macromolecule polymeric material to make, have self-lubricating, corrosion resistant, wear-resisting, anti-aging characteristic can be avoided the hard friction with metal when operation, protected the oxide-film of metal surface, has prolonged the service life of heat exchanger tube effectively.
Description of drawings
Fig. 1 is embodiments of the invention one a structure assembling schematic diagram
Fig. 2 is an operation principle schematic diagram of the present invention
Fig. 3 is that a plurality of helical blade outline of the present invention is the elliposoidal structural representation
Fig. 4 is that rotating shaft of the present invention is hollow not isometrical revolving shell structural representation
Fig. 5 is that rotating shaft of the present invention is the revolving shell structural representation that hollow cylinder and hollow ball are formed
Fig. 6 is the structural representation that helical blade of the present invention top is provided with hairbrush
Fig. 7 is the structural representation that helical blade of the present invention side is provided with hairbrush
Fig. 8 is the outer structural representation of circumferentially arranging spiral hairbrush row of hollow circular cylinder of the present invention
Fig. 9 is embodiments of the invention two structural representations
Figure 10 is embodiments of the invention three structural representations
Figure 11 is embodiments of the invention four structural representations ()
Figure 12 is embodiments of the invention four structural representations (two)
Figure 13 is embodiments of the invention four structural representations (three)
Figure 14 is embodiments of the invention five structural representations
Figure 15 is embodiments of the invention six structural representations
Figure 16 is that outer survey of annular spherical shell of the present invention is the structural representation of straight rib
Figure 17 is that outer survey of annular spherical shell of the present invention is the structural representation of rhombus projection
Figure 18 is that outer survey of annular spherical shell of the present invention is the structural representation of oblique arrangement hairbrush
Figure 19 is embodiments of the invention seven structural representations
Figure 20 is seven cross-sectional schematic of embodiment
Figure 21 is that hollow sphere of the present invention inside is the structural representation of round cavity
Figure 22 is that hollow sphere of the present invention inside is the cross-sectional schematic of round cavity
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 hollow cylindrical Auto-regulating System of Density of Heavy Medium cavity 1, regulate the end sealing of cavity 1, the other end end cap 2 that is tightly connected, end cap 2 can adopt interference fit with regulating being connected of cavity 1, also can adopt bondingly, can also be that mode such as barb connection connects.In the cavity of regulating cavity 1, be provided with and regulate medium 3, outside regulating cavity 1, be that rotation evenly is furnished with four helical blades 4 circumferentially with the axis of regulating cavity 1, the helical angle of helical blade 4 is β, four helical blades 4 and regulate the common ball type device that forms an almost spherical of maximum outline of cavity 1, the space between each helical blade 4 forms four helical form runners 5.
In the present embodiment, helical blade 4 adopts one of non-foam type macromolecular material---pvc material with the making material of regulating cavity 1, it can also adopt other non-foam type macromolecular material or non-foam type polymer composite, as non-foam type macromolecular material of plastics class or the non-foam type polymer composites of plastics class such as polyethylene, polytetrafluoroethylene (PTFE), polypropylene, as non-foam type macromolecular material of rubber-like or the non-foam type polymer composites of rubber-like such as butadiene rubber, butadiene-styrene rubber, neoprenes.It is to be not more than 2% for change that the external diameter that guarantees ball element produces because of submergence (being that immersion fluid immerses the change that the external diameter that is dipped into ball element takes place ball element) that the present invention adopts above-mentioned material, the variation that the density of ball element produces because of submergence (being that immersion fluid immerses the change that ball element makes the density generation that is dipped into ball element) is not more than 5%, and the uniformity of the variation of the change of its submergence external diameter and density also obviously is better than many micropores resilient flexible glueballs of use at present.
The internal diameter of the adjusting cavity 1 of present embodiment is 6mm, and length is 16mm, and wall thickness is 2mm, and the thickness of helical blade 4 is 0.5~1.5mm.The density of the ball element of present embodiment is 1.02 ± 0.02g/cm
3, can be used for the on-line cleaning scale removal of the condenser heat exchanger tube of power plant.The material that present embodiment adopted expands hardly when making submergence of the present invention and is out of shape, and the change of the ball element external diameter that produces because of submergence is not more than 2%, so ball type device can adopt more accurate and stable size.The diameter of the spherical outline of present embodiment is Φ 23.2 ± 0.05mm, and can be used for nominal bore diameter is the cleaning and descaling of the above heat exchanger tube (as shown in Figure 2) of Φ 23.4mm.For the heat exchanger tube to be cleaned of different tube diameters, can select the present invention of suitable diameter according to the suitable gap or the magnitude of interference of soft or hard different choice that uses material.
In the present embodiment, the adjusting medium of regulating in the cavity 1 can be air, foam, water or metal etc., in order to regulate the density of ball element of the present invention, makes its hygrometric state density close with the density of carrying fluid.The density error of the density of ball element of the present invention and heat exchanger tube inner fluid to be cleaned is controlled at is no more than 10%.The helixangle of the helical blade 4 of present embodiment is 45 °, and the scope of general helixangle is 10 °~80 °; The helical blade 4 of present embodiment is dextrorotation, also can be left-handed.The helical blade 4 of present embodiment is circumferentially evenly to arrange, also can be circumferential non-homogeneous layout.When helical blade 4 is circumferential non-homogeneous layout, still there is a rotation in working order down in present embodiment, promptly do forward and rotatablely move and have the direction of minimal flow resistance, but may not overlap with the axis of the adjusting cavity 1 that is connected helical blade 4.
As shown in Figure 2, the principle that a kind of cleaning and descaling component of the present invention is used for heat exchanger tube 6 cleaning and descalings is as follows: be positioned at the heat exchanger tube 6 that is cleaned scale removal during ball element work, fluid enters (shown in arrow Fig. 2 7) from an end of heat exchanger tube 6, flow out the direction motion that ball element flows with fluid under the effect of heat exchanger tube 6 inner fluids from the other end of heat exchanger tube 6.Owing near the fluid viscosity resistance heat exchanger tube 6 inwalls with contact reasons such as friction, the proal speed of ball element is less than the average flow velocity of heat exchanger tube inner fluid, thereby the fluid in the heat exchanger tube 6 will flow through (shown in arrow among Fig. 2 8) in the helical form runner 5 of ball element, and promotion ball element 1 produces fast rotational (shown in arrow among Fig. 2 10) when the direction that flows with fluid travels forward (shown in arrow among Fig. 2 9), and scraping heat exchanger tube wall, thereby realize the purpose that exchange heat pipe 6 carries out the on-line cleaning scale removal.
Principles illustrated by above cleaning and descaling as can be seen because the helical blade 4 that evenly is provided with around the central axis of ball element 1, promptly ball element 1 in heat exchanger tube, under the promotion of fluid around this rotation rotation.When the dead in line of the rotation of ball element 1 and heat exchanger tube 6 or depart from hour, the flow resistance minimum that fluid flows through in the helical form runner 5 of ball element 1, therefore, in running order the present invention always seeks and keeps the direction of motion of this minimal flow resistance in heat exchanger tube 6, do along heat exchanger tube 6 axis forward and rotatablely move.For make ball element in heat exchanger tube better by the direction motion of setting, can also install on the ball element surface controlling party to the tail rope class.Since the stressed fully symmetry of ball element 1 heat exchanger tube 6 in, ball element 1 in heat exchanger tube 6 except that travelling forward and rotating, also existence at random swing and small radial motion.Simultaneously, because the disturbance of ball element 1 convection cell in heat exchanger tube 6 also makes the heat exchange effect of heat exchanger tube obtain reinforcement.
On the basis of present embodiment, the present invention can also take other structural design, such as: as shown in Figure 3, helical blade 4 is six, and helixangle is 60 °, and helical blade 4 is an elliposoidal with the maximum outline of regulating cavity 1.As shown in Figure 4, regulating cavity 1 is a hollow not isometrical revolving shell 11; Regulating cavity 1 can also be one section hollow cylinder 12 and a hollow ball 13 common revolving shells of forming (as shown in Figure 5).As shown in Figure 6, can be provided with top hairbrush 14 on the helical blade 4, or hairbrush 15 (as shown in Figure 7) is set, or helical blade is arranged to 16 (as shown in Figure 8) of hairbrush row, with further raising cleaning and descaling effect in the side of helical blade 4.Said brush 14,15,16 can with helical blade 4 one-shot forming processing and fabricatings, also can adopt bonding method etc. to link together.The maximum outline of present embodiment is a smooth surface, also can be non-smooth surface, as body structure surfaces such as fine strip (as Figure 14, Figure 19, shown in Figure 21), netted, projection (as shown in figure 17), depressions, with further raising cleaning and descaling effect.Present embodiment is helical blade 4 and helical flow path 5, also can be dihedral vane/fin and inclination runner (as Figure 19, shown in Figure 21).
Conveying and the collection mode of ball element of the present invention in heat transmission equipment, the conveying and the collection mode that can adopt glueballs widely-used at present and comparative maturity to clean.The indoor ball element of immediate shipment ball is delivered to heat exchanger tube side inlet by pump, passes through heat exchanger tube with fluid and rotation under heat exchanger tube side fluid inlet and outlet action of pressure, and the heat exchanging inside pipe wall is swiped, thereby reaches the cleaning and descaling effect; Spherical then cleaning and descaling component enters the receipts ball element with tube side working medium, is extracted out by pump and comes back to ball collector.Realize continuous on-line cleaning scale removal in the heat exchanging that so the moves in circles organ pipe.
Embodiment 2:
As shown in Figure 9, the difference of present embodiment and embodiment 1 is: rotating shaft is a solid cylinder 17, the axis that is solid cylinder 17 is the rotation of spherical cleaning and descaling component, four helical blades 18 of circumferentially even layout at solid cylinder 17, the helixangle of helical blade 18 is 60 °, and the maximum outline of four helical blades and solid cylinder 17 is the spherical ball linear element; Having formed four spiral spaces between four helical blades is spiral fluid passageway, when fluid flows through in this helical flow path, will make ball element of the present invention produce fast rotational.The material of main part of present embodiment is non-foam type rubber---butadiene rubber+butadiene-styrene rubber.Some are material modified as carbon black etc. for the performance (as intensity, density, antiwear characteristic and anti-aging characteristic etc.) of improving or change rubber also needs to add, and add quantitative proportion and will determine according to the needs of performance.The density of the ball element of present embodiment is by material of main part and decision such as material modified density and ratio, and its density is 1.00 ± 0.04g/cm
3, can be used for the on-line cleaning scale removal of the condenser heat exchanger tube of power plant, do not get rid of the cleaning and descaling of other heat exchanger yet.
Embodiment 3:
As shown in figure 10, the present invention is formed by connecting by four helical blades 19, its connected mode is one-shot forming or bonding, the helixangle of helical blade is 45 °, the maximum outline of four helical blade 19 compositions is the spherical ball linear element, four helical blades 19 are circumferentially evenly being arranged, the ball element rotation is the symmetrical center line of four helical blades in the present embodiment, having formed four spiral spaces between four helical blades 19 is spiral fluid passageway, and fluid will make spherical cleaning and descaling component produce fast rotational when flowing through in this helical flow path.Present embodiment is not provided with the Auto-regulating System of Density of Heavy Medium cavity, and its density can select suitable material to guarantee that its density is more approaching with the density of carrying fluid by the density decision of material.
Embodiment 4:
As shown in figure 11, the difference of present embodiment and the foregoing description is: the two ends of the axial rotary of ball element are two solid stub bodies 20, four helical blades 21 are circumferentially evenly arranged at two solid stub bodies 20, its four helical blades 21 interconnect between two solid stub bodies 20, solid stub body 20 plays the effect that connects and strengthen helical blade 21, the helixangle of helical blade 21 is 45 °, the maximum outline of four helical blades 21 and two solid stub bodies 20 is spherical ball element, having formed four spiral spaces between four helical blades 21 is spiral fluid passageway, and fluid will make spherical cleaning and descaling component produce fast rotational when flowing through in this helical flow path.The rotation of the ball element of present embodiment is the symmetrical center line of four helical blades.The beneficial effect of present embodiment and aforesaid difference are to adopt different structure to strengthen its bonding strength.
The axial rotary two ends of present embodiment are two solid stub bodies 20, and the centre that can also be axial rotary is that the centre of a solid paxilla 22 (as shown in figure 12) or axial rotary is a solid spherula 23 (as shown in figure 13).
Embodiment 5:
As shown in figure 14, present embodiment comprises: a hollow circular cylinder 24, the axis of hollow circular cylinder 24 is the rotation of ball element, external circumferential at hollow circular cylinder 24 evenly is provided with eight helical blades 25, the helixangle of external spiral blade 25 is 30 °, inner circumferential at hollow circular cylinder 24 evenly is provided with four internal helical blades or fin 26, the helixangle of internal helical blades or fin 26 is 15 °, external spiral blade 25 is spherical ball element with the maximum outline of hollow circular cylinder 24, having formed eight spiral spaces between eight external spiral blades 25 is spiral fluid passageway, having formed four inside spin spaces between four internal helical blades 26 is spiral fluid passageway, when fluid flows through in this helical flow path, will make ball element produce fast rotational.
Embodiment 6:
As shown in figure 15, present embodiment comprises: a solid cylinder 27, the axis of solid cylinder 27 is the rotation of ball element, circumferentially evenly be provided with four helical blades 28 at solid cylinder 27, the helixangle of helical blade 28 is 45 °, be connected with annular spherical shell 29 at the edge of helical blade 28, in the arranged outside of annular spherical shell 29 inclination fin 30 arranged, the inclination angle of inclination fin is 30 °.Helical blade 28 and solid cylinder 27 be for one-shot forming is connected, and inclination fin 30 and annular spherical shell 29 are for one-shot forming is connected, and the method for attachment of helical blade 28 and annular spherical shell 29 is bonding or swelling.Present embodiment solid cylinder 27 and helical blade 28 are plastic products, four internal helical blades 28 are divided into four inside spin runners with diameter of Spherical Volume, annular spherical shell 29 and inclination fin 30 are rubber, and the main effect of the inclination fin 30 outside annular spherical shell 29 is to strengthen cleaning performance.In the present embodiment, when fluid flows through in the inside spin conduit, will make ball element produce fast rotational.Present embodiment is that different materials is made, and also can be same material and makes.
In the present embodiment, the outside of annular spherical shell 29 can also be set to straight rib 31 (as shown in figure 16), rhombus projection 32 or the projection (as shown in figure 17) of other structure or the hairbrush 33 (as shown in figure 18) of oblique arrangement etc.In the hairbrush and the annular spherical shell 29 time processing moulding of the inclination fin of the arranged outside of annular spherical shell 29, straight rib, rhombus projection, oblique arrangement, can also be that bonding mode is fixedly connected.
Embodiment 7:
As Figure 19, shown in Figure 20, present embodiment comprises: a hollow sphere 34, hollow sphere 34 inside are the column type cavity of end sealing, the axis of column type cavity is the rotation of this ball element, its cavity other end is provided with end cap 35, outside hollow sphere 34, have four tippers 36, form four not uniform thickness spiral fins 37, be provided with microflute line 38 in hollow sphere 34 case surface, the angle of inclination beta of tipper 36 is 45 °, not formed four spiral spaces between the uniform thickness spiral fin 37 at four is spiral fluid passageway, when fluid flows through in the inclination conduit, to make ball element produce fast rotational, the present embodiment spheroid is that one-shot forming is made.
The hollow sphere inside of present embodiment can also be round cavity 39, can filling porous material in the round cavity etc. packing material (as Figure 21, shown in Figure 22).
Making material of the present invention is non-foam macromolecular material (as plastics, rubber etc.) and composite thereof, physical dimension is stable during submergence, the submergence distortion is not more than 2%, and the uniformity of the change of its submergence external diameter also obviously is better than many micropores resilient flexible glueballs of use at present, thereby can adopt more accurate and ball type device stable dimensions, and can be as the many micropores resilient flexible glueballs that uses at present because of the submergence non-homogeneous expansion or cross to expand and the plugging phenomenon occurs, because of the submergence underexpansion the relatively poor phenomenon of cleaning and descaling effect appears perhaps.Even have the dirt projection at tube wall, this rotation cleaning and descaling ball is in the dirt projection of scraping tube wall, make higher dirt projection between the spiral/inclination runner of this rotation cleaning and descaling ball by and can not produce the plugging phenomenon, and, will the dirt of higher projection in the heat exchanger tube be removed gradually through the scraping repeatedly of rotation cleaning and descaling ball.
Making material of the present invention is non-foam macromolecular material (as plastics, rubber etc.) and composite thereof, density stabilized during submergence, the submergence variable density is not more than 5%, and the uniformity of the variation of its submergence density also obviously is better than many micropores resilient flexible glueballs of use at present; Simultaneously, this cleaning and descaling component can be according to using needs that Auto-regulating System of Density of Heavy Medium cavity body is set, make its hygrometric state apparent density very close with the density of carrying fluid, and ball element is density stabilized, the density of general ball element and transport fluid density near and be more or less the same in 10%, thereby can not be trapped in flow dead and vortex in the tube side in a large number because of the bigger former thereby appearance of density contrast as spongy glueballs.
More than although some embodiment are disclosed; the structure of cleaning and descaling component and material still can change; the present invention should not be subjected to the restriction of the various embodiments described above, and all equivalent transformations that carries out according to the principle of the invention all should not got rid of outside protection scope of the present invention.
Claims (10)
1, a kind of member for online cleaning and removing scale of heat exchange tube, it is characterized in that: it comprises a ball element, described ball element has some runners that become spiral or inclination with the centre rotational axis line, and described runner is to be separated by the projection of spiral or the inclination diameter of Spherical Volume with described ball element; The external diameter of described ball element is not more than 2% because of the change that submergence produces, and the density of ball element is not more than 5% because of the variation that submergence produces, and the fluid density error of the density of ball element and conveying is not more than 10%.
2, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 1 is characterized in that: the maximum outline of described ball element is spherical in shape, a kind of in elliposoidal, almost spherical and the approximate elliposoidal.
3, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 1 is characterized in that: the projection of described spiral or inclination is at least a in the hairbrush of helical form or skewed blade, helical form or skewed fin, helical arrangement or more than one combination.
4, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 2 is characterized in that: the projection of described spiral or inclination is at least a in the hairbrush of helical form or skewed blade, helical form or skewed fin, helical arrangement or more than one combination.
5, as claim 1 or 2 or 3 or 4 described a kind of member for online cleaning and removing scale of heat exchange tube, it is characterized in that: the helical angle of described projection or inclination angle are 10 °~80 °, and described runner is a kind of in left-handed or left-leaning and dextrorotation or the Right deviation.
6, as claim 1 or 2 or 3 or 4 described a kind of member for online cleaning and removing scale of heat exchange tube, it is characterized in that: be provided with the adjusting cavity of regulating ball element density in the described ball element, be provided with the medium that is used to regulate ball element density in the described adjusting cavity.
7, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 5 is characterized in that: be provided with the adjusting cavity of regulating ball element density in the described ball element, be provided with the medium that is used to regulate ball element density in the described adjusting cavity.
8, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 1 is characterized in that: described maximum outline is a non-smooth surface, and described non-smooth surface is a kind of in fine strip, netted, projection, the depression
9, a kind of member for online cleaning and removing scale of heat exchange tube as claimed in claim 2 is characterized in that: described maximum outline is a non-smooth surface, and described non-smooth surface is a kind of in fine strip, netted, projection, the depression.
10, as the described a kind of member for online cleaning and removing scale of heat exchange tube of claim 1~9, it is characterized in that: the material of described ball element is a kind of in non-foam macromolecular material and the non-foam polymer composite.
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CN 200710098489 CN101033929A (en) | 2007-04-18 | 2007-04-18 | Member for online cleaning and removing scale of heat exchange tube |
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CN 200710098489 CN101033929A (en) | 2007-04-18 | 2007-04-18 | Member for online cleaning and removing scale of heat exchange tube |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101865629A (en) * | 2010-07-06 | 2010-10-20 | 北京化工大学 | Inner-pressure expansion type spiral rubber ball for heat exchange tube |
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 |
CN102151427A (en) * | 2011-01-25 | 2011-08-17 | 清华大学 | Electrically-driven or hybrid-driven internal rotation cleaning fixed net type collecting device |
CN105756620A (en) * | 2014-12-15 | 2016-07-13 | 中国石油天然气股份有限公司 | Oil pipe cleaner |
CN106439370A (en) * | 2014-12-01 | 2017-02-22 | 宁波工程学院 | Automatic descaling valve |
CN107121008A (en) * | 2017-06-20 | 2017-09-01 | 中国大唐集团科学技术研究院有限公司华东分公司 | For the condenser cleaning equipment and cleaning guide of open circulation water system |
CN108489328A (en) * | 2018-05-25 | 2018-09-04 | 湖南科技大学 | The device of automatic cleaning waste heat of coke oven crude gas recycling heat exchanger tube tar and carbon distribution |
CN109340733A (en) * | 2018-11-19 | 2019-02-15 | 广东格匠实业有限公司 | A kind of reversed self-cleaning steam generator device |
CN111076601A (en) * | 2019-12-12 | 2020-04-28 | 中国石油大学(华东) | Corrosion reduction mechanism with outlet spiral guide fins |
CN112414203A (en) * | 2019-08-22 | 2021-02-26 | 无锡中凡工业装备有限公司 | Cleaning device applied to heat exchanger and cleaning method thereof |
-
2007
- 2007-04-18 CN CN 200710098489 patent/CN101033929A/en active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101865629A (en) * | 2010-07-06 | 2010-10-20 | 北京化工大学 | Inner-pressure expansion type spiral rubber ball for heat exchange tube |
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 |
CN102151427A (en) * | 2011-01-25 | 2011-08-17 | 清华大学 | Electrically-driven or hybrid-driven internal rotation cleaning fixed net type collecting device |
CN106439370A (en) * | 2014-12-01 | 2017-02-22 | 宁波工程学院 | Automatic descaling valve |
CN105756620A (en) * | 2014-12-15 | 2016-07-13 | 中国石油天然气股份有限公司 | Oil pipe cleaner |
CN107121008A (en) * | 2017-06-20 | 2017-09-01 | 中国大唐集团科学技术研究院有限公司华东分公司 | For the condenser cleaning equipment and cleaning guide of open circulation water system |
CN108489328A (en) * | 2018-05-25 | 2018-09-04 | 湖南科技大学 | The device of automatic cleaning waste heat of coke oven crude gas recycling heat exchanger tube tar and carbon distribution |
CN109340733A (en) * | 2018-11-19 | 2019-02-15 | 广东格匠实业有限公司 | A kind of reversed self-cleaning steam generator device |
CN112414203A (en) * | 2019-08-22 | 2021-02-26 | 无锡中凡工业装备有限公司 | Cleaning device applied to heat exchanger and cleaning method thereof |
CN112414203B (en) * | 2019-08-22 | 2022-04-15 | 无锡中凡工业装备有限公司 | Cleaning device applied to heat exchanger and cleaning method thereof |
CN111076601A (en) * | 2019-12-12 | 2020-04-28 | 中国石油大学(华东) | Corrosion reduction mechanism with outlet spiral guide fins |
CN111076601B (en) * | 2019-12-12 | 2021-05-11 | 中国石油大学(华东) | Corrosion reduction mechanism with outlet spiral guide fins |
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