Open type suspension member and sleeve pipe stopping means in the heat exchanger tube
Technical field
The present invention relates to a kind of support component and sleeve pipe stopping means that is applied to the interior inserted component of augmentation of heat transfer and antifouling scrubbing in the heat exchanger tube in the equipment such as shell-and-tube heat exchanger, heat exchange reactor.
Background technology
21st century is along with the continuous progress of society, current social energy-saving and emission-reduction are the key technologies that the whole world is all paid much attention to, especially all to be applied to many heat exchangers in various fields such as oil, chemical industry, thermoelectricity, nuclear power, metallurgy, light industry, aviation device and boats and ships vehicles, what wherein be most widely used is shell-and-tube heat exchanger, but inwall ubiquity lamination dirt in these heat exchanger tubes, cause fluid transporting resistance in pipeline to increase, meeting blocking pipe when serious, heat transfer property greatly descends simultaneously; Dirt can seriously reduce heat transfer efficiency and cause great energy waste in the heat exchanger tube, and meanwhile dirt generally has corrosivity, therefore corrosion of tube wall, and leak fluid causes major safety risks.
On the problems referred to above, treating method traditionally is forced to exactly take stop production and please professional cleaning personnel be cleaned, and has so not only stopped over the manufacturing schedule of factory, also needs to pay expensive cleaning charge simultaneously and uses; In order to address this problem better, people study the on-line automatic augmentation of heat transfer that employing do not stop production and the various ways and the device of descaling and antiscaling always.China Patent No. is ZL200520127121.9 afterwards, the patent application of denomination of invention for " rotator type cleaning and heat-transfer enhancing device " disclosed, this device is to be made of fixed mount, rotor, flexible shaft and stay pipe, and two fixed mounts are separately fixed at the two ends of heat exchanger tube; The appearance of rotor has scroll, and centre bore is arranged on the rotor; Stay pipe is located between rotor and the fixed mount, and flexible shaft passes the centre of rotor hole and stay pipe is fixed on two fixed mounts.This device has the function of on-line automatic antiscaling, descaling and augmentation of heat transfer, under the situation of fluid following current or adverse current in heat-transfer pipe, the effect of antiscaling, descaling and augmentation of heat transfer is arranged all.But shortcoming be certain fluid by the time, the rotary speed of rotor is that the lead angle by the spiral shell rib is determined that lead angle is more little, promptly is fast more in the rotary speed of spiral shell rib helical pitch hour rotor, the resistance of convection cell increases thereupon simultaneously; Be head it off, Chinese patent application numbers 200620172805.5, denomination of invention is " low flow resistance rotor of cleaning and heat-transfer enhancing in the heat-transfer pipe ", this device is by rotor, suspension member and is connected axis and constitutes that suspension member is to be fixed on the heat-transfer pipe two ends, and the two ends that connect axis are separately fixed on the suspension member, a plurality of rotors are installed on and connect on the axis, rotor is to be made of hollow shaft and blade, and it is same skewed that each blade becomes with hollow shaft, and adjacent blades is end to end.This novel energy-saving and emission-reduction product through industrial inspection and application, has all reached augmentation of heat transfer and tartar preventing iron tartar effect preferably.Heat exchanger tube arranging in heat exchanger is that certain distance is arranged, and the space between the heat exchange pipe external surface is the shell fluid space.The suspension member that is installed in the heat exchanger tube end can reduce the flow that fluid flows into, next is a heat exchanger tube owing in installation and use deformation can take place, become ellipse or other shapes by circle, cause can comparing when suspension member is installed difficultly and wasting time, installation effectiveness is lower.
Summary of the invention
The objective of the invention is to design a kind of new construction and be used for the fixing of heat exchanger tube end part rotating shaft, open type suspension member and sleeve pipe stopping means can help accelerating the efficient that the suspension member body is installed in the heat exchanger tube, strengthen the stability of suspension member body on heat exchanger tube, make full use of the space of heat exchanger tube end, strengthen the influx of heat exchanging fluid, reduce the resistance of porch fluid, improve the heat exchange efficiency of heat exchanger, make good use of more heat transferring medium fluid and strengthen heat exchange, save the energy.
The present invention is that the technical scheme that adopts that achieves the above object is: open type suspension member and sleeve pipe stopping means, mainly comprise the suspension member body, sleeve pipe, locating part, the suspension member body comprises extension bar, brace table, connecting rod and hollow shaft, extension bar, brace table, connecting rod has common endoporus, extension bar and connecting rod have many respectively, there is fluid to flow into the passage of heat exchanger tube between the connecting rod, brace table is supported on the heat exchanger tube end, brace table one side has extension bar, the brace table opposite side has connecting rod, the other end of connecting rod is connected with hollow shaft, hollow shaft has endoporus, the diameter of the endoporus of hollow shaft is greater than the external diameter of rotating shaft, the endoporus of hollow shaft has radial slot, the width of groove is greater than the width of the foot piece of sleeve pipe, make the foot piece of sleeve pipe can be embedded in the hollow shaft of suspension member body, extension bar extend in the heat exchanger tube, the extension bar root is slightly larger than the internal diameter of heat exchanger tube near the outer of brace table, extension bar root external diameter is greater than outer end diameter, form taper, be convenient to the suspension member body and insert fast in the heat exchanger tube, connecting rod is an arcuate structure away from brace table upstream face outer surface, to reduce the resistance of porch fluid; Sleeve pipe is made up of foot piece and trough of belt cylinder, the diameter of bore of sleeve pipe is greater than the external diameter of rotating shaft, the groove of foot piece and trough of belt cylinder staggers or lays respectively at the two ends of sleeve pipe diameter of bore, the outer openings width of the groove of trough of belt cylinder is bigger than inboard, and inboard A/F is less than the external diameter of rotating shaft, is convenient to rotating shaft and packs in the sleeve pipe, simultaneously can tighten rotating shaft, prevent that effectively sleeve pipe from deviating from from rotating shaft, guarantee the axially reliable location of suspension member body, the foot piece of sleeve pipe is installed in the groove of hollow shaft of suspension member body; Sleeve pipe is outside equipped with the sleeve pipe locating part, locating part is fixed in the rotating shaft, the structure of suspension member body, sleeve pipe is convenient in advance rotor be fixed with locating part, reserve the installation site of suspension member body, sleeve pipe at the two ends of rotating shaft, snap in sleeve pipe after installing to the suspension member body in the rotating shaft at the scene afterwards, realize the Fast Installation of a whole set of energy saving component.
Open type suspension member of the present invention and sleeve pipe stopping means are provided with breach on the brace table of described suspension member body, can save material effectively, reduce cost.
Open type suspension member of the present invention and sleeve pipe stopping means, the connecting rod of described suspension member body is arcuate structure or streamline structure away from the upstream face outer surface of brace table, can reduce the flow resistance of porch effectively.
Open type suspension member of the present invention and sleeve pipe stopping means, the material of suspension member body can be plastics, metal or the composites with certain toughness.
Open type suspension member of the present invention and sleeve pipe stopping means also will be considered condition of work such as fluid media (medium) flow velocity in the heat exchanger tube internal diameter, heat exchanger tube and fluid media (medium) temperature and make factor such as processing cost when parameters such as the size of the internal diameter of its bracing frame and external diameter, breach, the length of connecting rod, hollow shaft internal diameter and external diameter are determined.
The beneficial effect of open type suspension member and sleeve pipe stopping means is in the heat exchanger tube of the present invention: 1, the suspension member body has the sleeve pipe stopping means in the heat exchanger tube, be convenient to locating part rotor be fixed in advance, be installed at the scene in the fluting of suspension member body afterwards, accelerated Unit Installation speed; 2, the extension bar root external diameter of suspension member body is convenient to the suspension member body and is inserted in the heat exchanger tube fast greater than the end in the heat exchanger tube; 3, sleeve pipe is provided with locating part outward and is used to tighten rotating shaft, guarantees the normal operation of rotor; 4, the breach that offers on the brace table is saved material, reduces the material cost of suspension member body; 5, the connecting rod of suspension member body is set to arcuate structure or streamline structure away from the upstream face outer surface of brace table, can reduce the flow resistance of porch effectively; 6, sleeve pipe is made up of foot piece and trough of belt cylinder, and the outer openings width of the groove of trough of belt cylinder is bigger than inboard, and inboard A/F is beneficial to installation less than the flexible shaft diameter, can tighten rotating shaft simultaneously, to guarantee the normal operation of rotor.
Open type suspension member of the present invention and sleeve pipe stopping means, according to the shape of concrete heat exchanger tube, determine the radial dimension of suspension member brace table, according to the diameter of heat exchanger tube in the heat exchanger end, determine the radial dimension of extension bar, utilize the two ends of rotating shaft in the suspension member exchange heat pipe to carry out axial restraint.
Description of drawings
Fig. 1 is the front view of open type suspension member in the heat exchanger tube of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the front view of sleeve pipe 7.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the 3-D view of Fig. 3.
Fig. 6 is the cutaway view of locating part 8.
Fig. 7 is the mounting structure schematic diagram of interior open type suspension member of heat exchanger tube of the present invention and sleeve pipe stopping means.
Fig. 8 is the 3-D view of Fig. 7
Among the figure, the 1-rotating shaft; The 2-rotor; The 3-extension bar; The 4-brace table; The 5-connecting rod; The 6-hollow shaft; The 7-sleeve pipe; The 8-locating part; The 9-breach; 10-suspension member body
The specific embodiment
A kind of examples of implementation of open type suspension member and stopping means in a kind of heat exchanger tube that the present invention relates to, as shown in Figure 7 and Figure 8, it comprises rotating shaft 1, rotor 2, suspension member body 10, sleeve pipe 7 and locating part 8, described suspension member body 10 is to be installed in the rotating shaft 1, several rotors 2 are installed in the rotating shaft 1, described suspension member body is made up of extension bar 3, brace table 4, connecting rod 5 and 6 four parts of hollow shaft, sleeve pipe 7 is equipped with at hollow shaft 6 places of suspension member body 10, and sleeve pipe locating part 8 is fixed on and prevents in the rotating shaft 1 that suspension member body 10 from coming off in heat exchanger tube.
Among Fig. 1 to Fig. 8, Fig. 1 is the front view of suspension member body 10, Fig. 2 is the right view of Fig. 1, Fig. 3 is the front view of sleeve pipe 7, Fig. 4 is the right view of Fig. 3, and Fig. 5 is the 3-D view of Fig. 3, and Fig. 6 is the cutaway view of locating part 8, Fig. 7 is the mounting structure schematic diagram of interior open type suspension member of heat exchanger tube of the present invention and sleeve pipe stopping means, and Fig. 8 is the 3-D view of Fig. 7.
Open type suspension member and sleeve pipe stopping means in the heat exchanger tube of the present invention, mainly comprise suspension member body 10, sleeve pipe 7, locating part 8, suspension member body 10 comprises extension bar 3, brace table 4, connecting rod 5 and hollow shaft 6, extension bar 3, brace table 4, connecting rod 5 has common endoporus, extension bar 3 and connecting rod 5 have three respectively, there is fluid to flow into the passage of heat exchanger tube between the connecting rod 5, brace table 4 is supported on the heat exchanger tube end, brace table 4 one sides have extension bar 3, brace table 4 opposite sides have connecting rod 5, the other end of connecting rod 5 is connected with hollow shaft 6, hollow shaft 6 has endoporus, the diameter of the endoporus of hollow shaft 6 is greater than the external diameter of rotating shaft 1, the endoporus of hollow shaft 6 has radial slot, the width of groove is greater than the width of the foot piece of sleeve pipe 7, make the foot piece of sleeve pipe 7 can be embedded in the hollow shaft 6 of suspension member body 10, extension bar 3 extend in the heat exchanger tube, extension bar 3 roots are slightly larger than the internal diameter of heat exchanger tube near the outer of brace table 4, extension bar 3 root external diameters are greater than outer end diameter, form taper, be convenient to suspension member body 10 and insert in the heat exchanger tube fast, connecting rod 5 is an arcuate structure away from brace table 4 upstream face outer surfaces, to reduce the resistance of porch fluid; Sleeve pipe 7 is made up of foot piece and trough of belt cylinder, the diameter of bore of sleeve pipe 7 is greater than the external diameter of rotating shaft 1, the groove of foot piece and trough of belt cylinder staggers or lays respectively at the two ends of sleeve pipe 7 diameter of bores, the outer openings width of the groove of trough of belt cylinder is bigger than inboard, inboard A/F is less than the external diameter of rotating shaft 1, being convenient to rotating shaft 1 packs in the sleeve pipe 7, simultaneously can tighten rotating shaft 1, prevent that effectively sleeve pipe 7 from deviating from from rotating shaft 1, guarantee the axially reliable location of suspension member body 10, the foot piece of sleeve pipe 7 is installed in the groove of hollow shaft 6 of suspension member body 10; Sleeve pipe 7 is outside equipped with sleeve pipe locating part 8, locating part 8 is fixed in the rotating shaft 1, the structure of suspension member body 10, sleeve pipe 7 is convenient in advance that rotor is fixing with locating part 8, reserve the installation site of suspension member body 10, sleeve pipe 7 at the two ends of rotating shaft 1, snap in sleeve pipe 7 after installing to suspension member body 10 in the rotating shaft 1 at the scene afterwards, realize the Fast Installation of a whole set of energy saving component.
4 can be provided with breach on the brace table, and the number of breach 9 can be one or a plurality of, and breach is big as far as possible on the basis of satisfying the suspension member positioning function, helps saving material, saves cost.
Also to consider condition of work such as fluid media (medium) flow velocity in the heat exchanger tube internal diameter, heat exchanger tube and fluid media (medium) temperature when parameters such as the length of the size of the internal diameter of described brace table 4 and external diameter, breach 9, connecting rod 5, hollow shaft 6 internal diameters and external diameter are determined and make factor such as processing cost.