CN104154810A - Built-in self-pre-tightening hanging piece of heat exchange tube - Google Patents
Built-in self-pre-tightening hanging piece of heat exchange tube Download PDFInfo
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- CN104154810A CN104154810A CN201410385584.9A CN201410385584A CN104154810A CN 104154810 A CN104154810 A CN 104154810A CN 201410385584 A CN201410385584 A CN 201410385584A CN 104154810 A CN104154810 A CN 104154810A
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- suspension member
- heat exchanger
- exchanger tube
- hanging piece
- built
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Abstract
The invention discloses a built-in self-pre-tightening hanging piece of a heat exchange tube. The built-in self-pre-tightening hanging piece is mainly composed of supporting claws, a pre-tightening spring and a hanging piece body, the pre-tightening spring is arranged on the upper portion of the hanging piece body, a conical hole allowing a flexible shaft to be arranged conveniently in a penetrating mode is formed in the lower portion of the hanging piece body, and a flexible shaft aligning hole is formed in the middle of the hanging piece body. The supporting claws and the central line of the hanging piece body form a V type, the pre-tightening spring and the hanging piece body are arranged in the heat exchange tube, one end of each supporting claw is integrally connected with the hanging piece body, the other end of each supporting claw can be hung at the end of the heat exchange tube after being bent, and the distance between the outermost ends of the supporting claws and the center of the heat exchange tube is larger than the radius of the heat exchange tube. A baffle is arranged on the hanging piece body, and the pre-tightening spring is arranged in the baffle. The included angle between the supporting claws and the central line of the hanging piece body ranges from 30 degrees to 60 degrees. The hanging piece can be effectively prevented from being pulled away or falling. The pre-tightening spring is arranged on the front portion of the hanging piece body, instant impact force generated by liquid waves can be effectively absorbed, pre-tightening force can be provided for the flexible shaft, the work stability of the device is increased, and the service life of the device is prolonged.
Description
Technical field
The present invention relates to water intake end and the water side support component of heat exchanger tube augmentation of heat transfer in the equipment such as a kind of shell-and-tube heat exchanger, heat exchanger and antiscaling and descaling device.
Technical background
Energy shortage is the key factor that affects development of world economy, is world's problem of being badly in need of solution.Energy-saving and emission-reduction are key technologies that solve energy problem, and shell-and-tube heat exchanger is widely used in the industries such as oil, chemical industry, electric power, metallurgy, pharmacy and machinery, and the quality of its heat exchange efficiency is directly determining economic benefit and environmental benefit.But the situation of ubiquity fouling on heat exchanger tube tube wall not only causes the increase of flow resistance, and reduced heat exchange efficiency, the energy has been caused to great waste, the dirt in heat exchanger tube also easily causes underdeposit corrosion, has a strong impact on the safety of equipment.
For the problems referred to above, traditional method is to shut down methods such as adopting mechanical cleaning, Chemical cleaning it is cleaned, and not only causes the waste of manpower and materials, also causes the pollution of environment.Owing to shutting down, equipment is cleaned, also can delay production, cause huge economic loss.Can be in non-stop-machine situation for address the above problem that designer researching and developing always, online strengthening conducts heat and the method and apparatus of antiscale scale inhibition.China Patent No. is ZL200520127121.09, discloses the patent No. that denomination of invention is " rotator type cleaning and heat-transfer enhancing device ", and this device is to be made up of suspension member, rotor, flexible shaft and stay pipe, and two suspension members are separately fixed at the two ends of heat exchanger tube; The outer surface of rotor has scroll, has centre bore on rotor, and flexible shaft is fixed on the suspension member at two ends through the centre bore of rotor.This device has the function of on-line automatic antiscale, scale removal and augmentation of heat transfer.Wherein suspension member is a kind of diversion type self-tightening hanging part, and China Patent No. is 201010184095.9, and it mainly comprises hollow shaft, connecting rod.Brace table and external part, it can ensure the centering of flexible shaft well, larger but suspension member is arranged on the loss of the heat exchanger tube resistance that heat exchange tube inlet causes, and needs to install at the scene fixing in actual installation, installs consuming time more.For solving the large problem of suspension member comparison of resistance, Chinese patent 201210067268.8, a kind of low flow-resistance quick-mounting hanger is disclosed, this suspension member has solved the large problem of entrance comparison of resistance, but because it protrudes from tube sheet, device, in running, causes locating part loosening because liquid in pipe is unstable, or when device is installed, flexible shaft tightening force is inadequate, there will be Water outlet end pendant of heat exchange tube to deviate from the situation of heat exchanger tube.Suspension member is deviate from the reduction that can cause device operating efficiency, the suspension member of deviating from can the impact lower swing of current and with near suspension member interfere, near the safe operation of device is exerted an influence.And while carrying out exchanger head installation after device installation, because suspension member protrudes from heat exchanger tube, end socket may interfere with suspension member, causes the lodging of suspension member, causes the inefficacy of device.
Summary of the invention
Easily deviate from lodging for solving suspension member, and pretightning force inadequate problem while installing, it is built-in from pre-tightening hanging part that the present invention has designed a kind of heat exchanger tube, suspension member by support grab, preloading spring and suspension member body form, the top of suspension member body is provided with preloading spring, the bottom of suspension member body is useful on the conical bore that conveniently installs flexible shaft, and there is flexible shaft at the middle part of suspension member body to mesopore, makes flexible shaft pass the suspension member body center in heat exchanger tube all the time.Support has been grabbed multiple and has been become V-type with suspension member body center line, and preloading spring and suspension member body are built in heat exchanger tube, and support claw one end and suspension member body connect as one, and after other end bending, can be suspended on heat exchanger tube pipe end, provides support power; When installation, making preloading spring is compressive state, when preloading spring after installation extends, gives locating part one axial force, increases the pretightning force of flexible shaft.The built-in main body from pre-tightening hanging part of a kind of heat exchanger tube of the present invention is installed on the inside of heat exchanger tube, and support claw prevents that it from deviating from heat exchanger tube and cause the inefficacy of device.
Heat exchanger tube of the present invention is built-in from pre-tightening hanging part, suspension member becomes V-type to be built in heat exchanger tube, suspension member is difficult for emerging in heat exchanger tube, the support claw outermost end of suspension member is greater than heat exchanger tube radius to the distance at heat exchanger tube center, suspension member support claw hangs over the pipe end of heat exchanger tube, for suspension member provides axial support power, and the center of the suspension member body of guarantee suspension member in heat exchanger tube.Preloading spring is arranged at suspension member body top, in the time of erecting device, gives pressure of preloading spring, makes it be subject to force compresses, and people adopt instrument tension flexible shaft, and mounting limit part.After installation, remove the pressure of preloading spring, preloading spring extends and to axial force of locating part, thereby increases the pretightning force of device flexible shaft.Prevent from causing because flexible shaft pretightning force is too little the wearing and tearing of flexible shaft upper rotor part exchange heat pipe, and rotor rotary resistance becomes the reduction of the augmentation of heat transfer effect causing greatly.In the time of device operation, liquid in pipe there will be certain fluctuation, can give the certain impulsive force of device, and preloading spring can absorb instant impact, prevents the displacement of the excessive locating part causing of instant impact.Excessive when the impulsive force of moment, while causing locating part that slight displacement occurs, preloading spring can increase elongation and make up the gap between locating part and the suspension member producing due to the slight displacement of locating part, and device can effectively be moved, and increases the service life of device.Suspension member body top arranges baffle plate, and baffle plate can be one section of annulus or notched annulus, and preloading spring is positioned at baffle interior, ensures the center of preloading spring in suspension member body, prevents that eccentric phenomena from appearring in preloading spring while elongation.Conical bore is arranged at suspension member body bottom, and when erecting device, conical bore can make flexible shaft easily penetrate in suspension member body, has improved the efficiency installing.There is pair mesopore at the middle part of suspension member, ensures to be fixed on flexible shaft on the suspension member position in heat exchanger tube center.
Heat exchanger tube of the present invention is built-in from pre-tightening hanging part, the number that support is grabbed is 2,3 or multiple, the angle of support claw and suspension member body center line (being heat exchanger tube axial line) is 30-60 degree, be preferably 30 degree, 45 degree or 60 degree, too hour support claw axis projection length can be very large for angle, and when angle is too large, heat exchanger tube of the present invention is built-in easily deviates from from pre-tightening hanging part from heat exchanger tube.
Heat exchanger tube of the present invention is built-in from pre-tightening hanging part, and suspension member support claw and the one-shot forming of suspension member body are integrated or weld, rivet, are bonded as one.
Heat exchanger tube of the present invention is built-in from pre-tightening hanging part, by macromolecular material, polymer-based composite, metal or ceramic material.
Beneficial effect of the present invention: 1, suspension member is built in heat exchanger tube, can prevent deviating from and lodging of suspension member effectively.2, there is preloading spring suspension member body front portion, can effectively absorb the instant impact that liquid fluctuation causes, and a pretightning force is provided can to device flexible shaft, increases job stability and the service life of device.
Brief description of the drawings
Fig. 1 is the built-in structural representation from pre-tightening hanging part of heat exchanger tube of the present invention.
Fig. 2 is the built-in partial cutaway structural representation from pre-tightening hanging part of heat exchanger tube of the present invention.
Fig. 3 is the built-in embodiment from pre-tightening hanging part of heat exchanger tube of the present invention.
In figure: 1-support claw, 2-preloading spring, 3-baffle plate, 4-suspension member body, 5-is to mesopore, 6-conical bore, 7-heat exchanger tube is built-in from pre-tightening hanging part, 8-heat exchanger tube, 9-rotor, 10-flexible shaft, 11-locating part.
Detailed description of the invention
Be illustrated in figure 3 a specific embodiment can assembling self-locking suspension member: package unit mainly comprises that heat exchanger tube 8, flexible shaft 10, rotor 9 and heat exchanger tube of the present invention are built-in from pre-tightening hanging part 7.In the time of erecting device, give 2 one axial compressive forces of preloading spring, make it be subject to force compresses.Firmly strain flexible shaft 10, and mounting limit part 11, when after installation, remove the pressure of preloading spring 2, preloading spring 2 extends to 11 1 axial forces of locating part, thereby increase the pretightning force of device flexible shaft 10, prevent the wearing and tearing that cause flexible shaft 10 upper rotor parts 9 to exchange heat pipe 8 because flexible shaft 10 pretightning forces are too little, and rotor 9 rotary resistances become the reduction of the device augmentation of heat transfer effect causing greatly.In the time of device operation, because liquid in pipe there will be certain fluctuation, can give the certain impulsive force of device, preloading spring 2 can absorb the instant impact of liquid to device, prevents the displacement of the locating part 11 causing more greatly due to instant impact.Because the impulsive force of moment is excessive, while causing locating part 11 that slight displacement occurs, preloading spring 2 can extend and make up the locating part 11 and the built-in gap between pre-tightening hanging part 7 of heat exchanger tube of the present invention that produce due to the slight displacement of locating part 11, and give flexible shaft 10 1 pretightning forces, device can be moved effectively, and increase the service life of device.And the built-in 1 one-tenth V-type of support claw from pre-tightening hanging part 7 of heat exchanger tube of the present invention is built in heat exchanger tube 8, heat exchanger tube of the present invention is built-in is difficult for emerging in heat exchanger tube 8 from pre-tightening hanging part 7.
As shown in Fig. 1 to 2, the built-in support claw 1 Zi pre-tightening hanging part 7 of heat exchanger tube of the present invention is greater than heat exchanger tube 8 radiuses to the distance at heat exchanger tube 8 centers, suspension member support claw 1 is suspended on the pipe end of heat exchanger tube 8, for device provides axial support power, and ensures the center of suspension member body 4 in heat exchanger tube 8.The baffle plate 3 on suspension member body 4 tops, ensures the center of preloading spring 2 in suspension member body 4, prevents that eccentric phenomenon from appearring in preloading spring 2 while elongation.Conical bore 6 is arranged at the bottom of suspension member body 4, and in the time of erecting device, flexible shaft 10 need to be through the center of suspension member body 4, and conical bore 6 can make flexible shaft 10 penetrate easily in suspension member body 4, has improved the efficiency installing.There is pair mesopore 5 at the built-in middle part from pre-tightening hanging part 7 of heat exchanger tube of the present invention, and it is mainly to ensure to be fixed on the position of the built-in flexible shaft 10 on pre-tightening hanging part 7 of heat exchanger tube of the present invention in heat exchanger tube 8 centers.
Claims (7)
1. heat exchanger tube is built-in from pre-tightening hanging part, it is characterized in that: mainly by support grab, preloading spring and suspension member body form, the top of suspension member body is provided with preloading spring, the bottom of suspension member body is useful on the conical bore that conveniently installs flexible shaft, there is flexible shaft at the middle part of suspension member body to mesopore, and flexible shaft is through suspension member body; Support has been grabbed multiple and has been become V-type with suspension member body center line, preloading spring and suspension member body are built in heat exchanger tube, support claw one end and suspension member body connect as one, and after other end bending, can be suspended on heat exchanger tube pipe end, and support claw outermost end is greater than heat exchanger tube radius to the distance at heat exchanger tube center.
2. heat exchanger tube according to claim 1 is built-in from pre-tightening hanging part, it is characterized in that: suspension member body top arranges baffle plate, and preloading spring is positioned at baffle interior.
3. heat exchanger tube according to claim 2 is built-in from pre-tightening hanging part, it is characterized in that: baffle plate can be one section of annulus or notched annulus.
4. heat exchanger tube according to claim 1 is built-in from pre-tightening hanging part, it is characterized in that: supporting the number of grabbing is 2,3 or multiple, and the angle of support claw and suspension member body center line is 30-60 degree.
5. heat exchanger tube according to claim 4 is built-in from pre-tightening hanging part, it is characterized in that: the angle of support claw and suspension member body center line is 30 degree, 45 degree or 60 degree.
6. heat exchanger tube according to claim 1 is built-in from pre-tightening hanging part, it is characterized in that: support claw and the one-shot forming of suspension member body are integrated or through welding, riveting or be bonded as one.
7. heat exchanger tube according to claim 1 is built-in from pre-tightening hanging part, it is characterized in that: support and grab with suspension member body by macromolecular material, polymer-based composite, metal or ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385584.9A CN104154810A (en) | 2014-08-07 | 2014-08-07 | Built-in self-pre-tightening hanging piece of heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385584.9A CN104154810A (en) | 2014-08-07 | 2014-08-07 | Built-in self-pre-tightening hanging piece of heat exchange tube |
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| Publication Number | Publication Date |
|---|---|
| CN104154810A true CN104154810A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385584.9A Pending CN104154810A (en) | 2014-08-07 | 2014-08-07 | Built-in self-pre-tightening hanging piece of heat exchange tube |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839670A (en) * | 2010-05-27 | 2010-09-22 | 北京化工大学 | Inner diversion type self-tightening hanging part of heat exchange tube |
| CN103432981A (en) * | 2013-08-27 | 2013-12-11 | 北京化工大学 | Energy-saving high-efficiency self-cleaning polymerizing device |
| CN203448113U (en) * | 2013-08-27 | 2014-02-26 | 北京化工大学 | Energy-saving efficient self-cleaning polymerization device |
| CN203657599U (en) * | 2013-12-03 | 2014-06-18 | 郑州大学 | Tube opening supporting device of inner insertion object of heat exchange tube |
-
2014
- 2014-08-07 CN CN201410385584.9A patent/CN104154810A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839670A (en) * | 2010-05-27 | 2010-09-22 | 北京化工大学 | Inner diversion type self-tightening hanging part of heat exchange tube |
| CN103432981A (en) * | 2013-08-27 | 2013-12-11 | 北京化工大学 | Energy-saving high-efficiency self-cleaning polymerizing device |
| CN203448113U (en) * | 2013-08-27 | 2014-02-26 | 北京化工大学 | Energy-saving efficient self-cleaning polymerization device |
| CN203657599U (en) * | 2013-12-03 | 2014-06-18 | 郑州大学 | Tube opening supporting device of inner insertion object of heat exchange tube |
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Application publication date: 20141119 |