CN102679807A - Quickly assembled hanging part with low flow resistance for heat exchange tube - Google Patents
Quickly assembled hanging part with low flow resistance for heat exchange tube Download PDFInfo
- Publication number
- CN102679807A CN102679807A CN2012100676068A CN201210067606A CN102679807A CN 102679807 A CN102679807 A CN 102679807A CN 2012100676068 A CN2012100676068 A CN 2012100676068A CN 201210067606 A CN201210067606 A CN 201210067606A CN 102679807 A CN102679807 A CN 102679807A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- sleeve pipe
- heat exchanger
- suspension member
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000725 suspension Substances 0.000 claims description 72
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000012530 fluid Substances 0.000 description 5
- 230000003416 augmentation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a quickly assembled hanging part with low flow resistance for a heat exchange tube. The quickly assembled hanging part is composed of a hanging part body and a sleeve, wherein the hanging part body comprises a hollow shaft, a connecting rod, a supporting platform and an extending end; the connecting rod is connected with the hollow shaft and the supporting platform; the supporting platform, the axis of the hollow shaft and the center of the connecting rod are coaxial with each other; the extending end is an extending part formed by a mode that the connecting rod passes through the supporting platform; the extending end is inserted into the heat exchange tube; the connecting rod of the hanging part has an arc-shaped structure; the connecting rod and the central area of the extending end are hollow; a distance is arranged between a solid part of the connecting rod and an inlet of the heat exchange tube; a sleeve boss and a sleeve slot are respectively matched with a hollow shaft slot and a hollow shaft boss; a small-diameter cylindrical section of the sleeve is inserted into a hole of the hollow shaft along the axis of the sleeve; the hollow shaft and the sleeve jointly ensure that a supporting shaft is located at the center of the heat exchange tube all the time; a blocking platform is arranged at the tail end of the hollow shaft of the hanging part; the inner diameter of the opening is as same as the inner diameter of the sleeve; and under the condition that the supporting shaft can pass through the hanging part, the sleeve is effectively prevented from dropping from the tail end of a central shaft of the hanging part, and the mounting is quick and convenient.
Description
Technical field
The present invention relates to a kind of support component that is applied to the interior inserted component of heat exchanger tube water intake end augmentation of heat transfer and antifouling scrubbing 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; Wherein using is shell-and-tube heat exchanger the most widely, but in these heat exchanger tubes inwall ubiquity lamination dirt, 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 compelled exactly to be taked to stop production and please professional cleaning personnel clean, and has so not only stopped over the manufacturing schedule of factory, also need pay expensive cleaning charge simultaneously and use; In order better to address this problem, 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.Chinese patent number is ZL200520127121.9 afterwards, discloses the patent application of denomination of invention for " 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 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.Wherein suspension member is a kind of diversion type self-tightening hanging part, and one Chinese patent application number is 201010184095.9, and it mainly comprises hollow shaft, connecting rod, brace table and external part; Hollow shaft, brace table and external part three are the concentric column of band endoporus; Can guarantee well flexible shaft to neutrality, to be installed in the drag losses that the heat exchanger tube inlet time causes bigger but shortcoming is a suspension member, when being installed in the water side; Can the foreign material of heat exchanger tube be arrested in the exit, so that with its obstruction; Be to solve the bigger problem of heat exchanger tube inlet pressure loss, one Chinese patent application numbers 201110097258.4, denomination of invention be " the interior tie type suspension member of heat exchanger tube "; It mainly comprises tie and cooperates sleeve pipe that tie is made up of tie blade and central shaft hole, cooperates sleeve pipe to be made up of oval sleeve, short round buss and groove; The pressure loss that it has reduced the heat exchanger tube porch has effectively increased the disturbance of fluid simultaneously, but during actual Installation in Plant; Need Fast Installation, need the water intake end locating part be welded before installing, then combined rotor is penetrated heat exchanger tube from the water side; Be fit into the water end (W.E.) suspension member at last, and existing heat exchanger tube water intake end suspension member can't satisfy this requirement.
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 water intake end rotating shaft; The low flow resistance fast-assembling suspension member of a kind of heat exchanger tube can satisfy the requirement of job site Fast Installation; Improve the suspension member installation effectiveness; Reduce the drag losses of heat exchanger tube porch fluid, guarantee the stability of water intake end suspension member simultaneously.
The present invention is that the technical scheme that adopts that achieves the above object is: a kind of heat exchanger tube hangs down flow resistance fast-assembling suspension member, is made up of suspension member body and sleeve pipe, and the suspension member body comprises hollow shaft, connecting rod, brace table and external part; Connecting rod connects hollow shaft and brace table; The axle center of brace table, hollow shaft is coaxial with the center of connecting rod, and external part is the extension that connecting rod passes brace table, and external part is deep in the heat exchanger tube; The connecting rod of suspension member body is an arcuate structure; And connecting rod and external part central area are empty, and connecting rod has the position of entity and heat exchanger tube inlet that one segment distance is arranged, and has reduced the drag losses of heat exchanger tube porch effectively; Sleeve pipe is made up of two sections concentric columns; Sleeve pipe has endoporus, and diameter of bore is slightly larger than the bolster external diameter, and sleeve pipe is one-sided to have sleeve pipe to slot; Groove width is slightly larger than the back shaft external diameter; Be convenient to the back shaft sleeve pipe of directly packing into, the opposite side external diameter at sleeve pipe small diameter cylinders section sleeve pipe fluting place has a sleeve pipe boss, and sleeve pipe boss external diameter is less than the external diameter of sleeve pipe cylinder with large diameter section; Be provided with the hollow shaft boss that cooperates with the sleeve pipe fluting in the hollow shaft of suspension member body; Hollow shaft boss internal diameter is identical with casing inner diameter; Sleeve pipe boss, sleeve pipe fluting cooperate with hollow shaft fluting, hollow shaft boss respectively; The small diameter cylinders section of sleeve pipe can be inserted along its axis in the hole of hollow shaft, guarantees that back shaft is positioned at the heat exchanger tube center all the time.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; The hollow shaft end of suspension member body is provided with the retaining platform; Its perforate internal diameter is identical with casing inner diameter; Guaranteeing to withstand sleeve pipe under the prerequisite that back shaft can pass, preventing to move a period of time sleeve pipe front end cylinder with large diameter section wearing and tearing rear sleeve and deviate from from the central shaft end of suspension member body.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; The brace table bilateral symmetry can be open and clear at the position that connecting rod is not set mouthful, is provided with cannelure between brace table and the external part root; The heat exchanger tube end can be inserted in this cannelure; To guarantee mounting stability, its groove depth can adapt to the axial elongation of back shaft certain-length, avoids the suspension member body to deviate from heat exchanger tube effectively.
Said a kind of heat exchanger tube hangs down flow resistance fast-assembling suspension member, and it is characterized in that: external part root external diameter is identical with the heat exchanger tube internal diameter, and the far-end external diameter is more smaller than heat exchanger tube internal diameter, is beneficial to Fast Installation.
The material of the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube of the present invention is plastics, metal or the composite with certain toughness.
The beneficial effect of the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube of the present invention is: 1, the connecting rod of suspension member body is an arcuate structure, and the irredundant structure in the central area of the connecting rod of suspension member body and external part has reduced the drag losses of heat exchanger tube porch effectively; 2, be provided with the hollow shaft boss in the hollow shaft of suspension member body, hollow shaft boss internal diameter is identical with casing inner diameter, and the hollow shaft boss can be embedded in the sleeve pipe fluting, and hollow shaft and sleeve pipe common guarantee back shaft are positioned at the heat exchanger tube center all the time; 3, the hollow shaft end of suspension member body is provided with the retaining platform, and its perforate internal diameter is identical with casing inner diameter, guaranteeing can to withstand sleeve pipe under the prerequisite that back shaft can pass, prevents to move a period of time, and deviate from from suspension member body central shaft end sleeve pipe front end wearing and tearing back; 4, one-sided groove width is slightly larger than the back shaft external diameter to sleeve pipe by sleeve pipe fluting, is convenient to the back shaft sleeve pipe of directly packing into, and the offside of sleeve pipe fluting direction has a sleeve pipe boss, and after the installation, the sleeve pipe boss can cooperate with the hollow shaft fluting of suspension member body; 5, the brace table bilateral symmetry of suspension member body; And be provided with cannelure between the external part root, this cannelure is inboard to be cooperated with the heat exchanger tube end, to guarantee mounting stability; Its groove depth can adapt to the axial elongation of back shaft certain-length, avoids suspension member to deviate from heat exchanger tube effectively; 6, the external part root external diameter of suspension member body is identical with the heat exchanger tube internal diameter, and the far-end external diameter is more smaller than heat exchanger tube internal diameter, is beneficial to Fast Installation;
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; According to the shape of concrete heat exchanger tube in heat exchanger tube water intake end end; Confirm the radial dimension of suspension member body brace table,, confirm the radial dimension of external part according to the internal diameter of heat exchanger tube; Select the circumference angle of brace table according to the requirement of on-the-spot stable installation property, utilize this suspension member exchange heat pipe water intake end rotating shaft to carry out axial restraint.
Description of drawings
Fig. 1 is the front view of suspension member body in the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the graphics of Fig. 1.
Fig. 4 is the front view of the low flow resistance fast-assembling suspension member middle sleeve of a kind of heat exchanger tube of the present invention.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the 3-D view of Fig. 4.
Fig. 7 is the mounting structure sketch map of the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube of the present invention.
Fig. 8 is the 3-D view of Fig. 7.
Among the figure: the 1-back shaft; The 2-locating part; The 3-sleeve pipe; 4-sleeve pipe boss; 5-sleeve pipe fluting; 6-suspension member body; The 7-hollow shaft; 8-hollow shaft boss; 9-hollow shaft fluting; The hollow axle bumper platform of 10-; The 11-connecting rod; The 12-brace table; The 13-cannelure; The 14-external part; The 15-rotor;
The specific embodiment
Like Fig. 6 and shown in Figure 7, a kind of examples of implementation of the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube that the present invention relates to, it comprises back shaft 1, locating part 2, sleeve pipe 3, suspension member body 6 and rotor 15; Described sleeve pipe 3 is to be installed on the back shaft 1 with suspension member body 6; Several rotors 15 are installed on the back shaft 1, wherein, and sleeve pipe 3 and the suspension member body 6 common low flow resistance fast-assembling suspension members of heat exchanger tube of forming; Suspension member body 6 comprises hollow shaft 7, connecting rod 11, brace table 12 and external part 14, and the left end of sleeve pipe 3 is equipped with locating part 2.
Like Fig. 1 to Fig. 8, Fig. 1 is the front view of the low flow resistance fast-assembling suspension member body of heat exchanger tube, and Fig. 2 is the left view of Fig. 1; Fig. 3 is Fig. 1 3-D view; Fig. 4 is the front view of the low flow resistance fast-assembling suspension member middle sleeve of heat exchanger tube, and Fig. 5 is the right view of Fig. 4, and Fig. 6 is the 3-D view of Fig. 4; Fig. 7 is the mounting structure sketch map of the low flow resistance fast-assembling suspension member of a kind of heat exchanger tube of the present invention, and Fig. 8 is the 3-D view of Fig. 7.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member, is made up of suspension member body 6 and sleeve pipe 3, and suspension member body 6 comprises hollow shaft 7, connecting rod 11, brace table 12 and external part 14.Connecting rod 11 connects hollow shaft 7 and brace table 12, and external part 14 is deep in the heat exchanger tube, and connecting rod 11 is an arcuate structure, and the irredundant structure in central area after the connecting rod 11, has reduced the drag losses of heat exchanger tube porch effectively.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; The hollow shaft 7 of suspension member body is provided with hollow shaft boss 8; Hollow shaft boss 8 internal diameters are identical with sleeve pipe 3 internal diameters, and hollow shaft boss 8 can be embedded in the sleeve pipe fluting 5, and hollow shaft boss 8 is positioned at the heat exchanger tube center all the time with sleeve pipe 3 common guarantee back shafts 1.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; Hollow shaft 7 ends of suspension member body are provided with retaining platform 10; Its perforate internal diameter is identical with casing inner diameter, is guaranteeing can to withstand sleeve pipe 3 under the prerequisite that back shaft 1 can pass; Prevent to move a period of time, sleeve pipe 3 front ends wearing and tearing rear sleeve 3 is deviate from from hollow shaft 7 ends of suspension member body.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; Sleeve pipe 3 is one-sided to have sleeve pipe fluting 5; Groove width is slightly larger than back shaft 1 external diameter, is convenient to back shaft 1 sleeve pipe 3 of directly packing into, and the offside of sleeve pipe fluting 5 has a sleeve pipe boss 4; After the installation, sleeve pipe boss 4 can cooperate with the hollow shaft fluting 9 of the hollow shaft 7 of suspension member body.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member; Brace table 12 bilateral symmetry; And be provided with cannelure 13 between external part 14 roots, these cannelure 13 inboards cooperate with the heat exchanger tube end, to guarantee mounting stability; Its groove depth can adapt to the axial elongation of back shaft 1 certain-length, avoids the suspension member body to deviate from heat exchanger tube effectively.
A kind of heat exchanger tube of the present invention hangs down flow resistance fast-assembling suspension member, and external part 14 root external diameters are identical with the heat exchanger tube internal diameter, and the far-end external diameter is more smaller than heat exchanger tube internal diameter, is beneficial to Fast Installation.
Claims (4)
1. a heat exchanger tube hangs down flow resistance fast-assembling suspension member; It is characterized in that: be made up of suspension member body and sleeve pipe, the suspension member body comprises hollow shaft, connecting rod, brace table and external part, and connecting rod connects hollow shaft and brace table; The axle center of brace table, hollow shaft is coaxial with the center of connecting rod; External part is the extension that connecting rod passes brace table, and external part is deep in the heat exchanger tube, and the connecting rod of suspension member body is an arcuate structure; And connecting rod and external part central area are empty, and connecting rod has the position of entity and heat exchanger tube inlet that one segment distance is arranged; Sleeve pipe is made up of two sections concentric columns; Sleeve pipe has endoporus; Diameter of bore is slightly larger than the bolster external diameter, and sleeve pipe is one-sided to have sleeve pipe to slot, and groove width is slightly larger than the back shaft external diameter; The opposite side external diameter at sleeve pipe small diameter cylinders section sleeve pipe fluting place has a sleeve pipe boss, and sleeve pipe boss external diameter is less than the external diameter of sleeve pipe cylinder with large diameter section; Be provided with the hollow shaft boss that cooperates with the sleeve pipe fluting in the hollow shaft of suspension member body; Hollow shaft boss internal diameter is identical with casing inner diameter; Sleeve pipe boss, sleeve pipe fluting cooperate with hollow shaft fluting, hollow shaft boss respectively, and the small diameter cylinders section of sleeve pipe can be inserted in the hole of hollow shaft along its axis.
2. a kind of heat exchanger tube according to claim 1 hangs down flow resistance fast-assembling suspension member, and it is characterized in that: the hollow shaft end of said suspension member body is provided with the retaining platform, and retaining platform perforate internal diameter is identical with casing inner diameter.
3. a kind of heat exchanger tube according to claim 1 hangs down flow resistance fast-assembling suspension member, it is characterized in that: be provided with cannelure between the said external part root, insert in this cannelure the heat exchanger tube end, and cannelure has certain depth.
4. a kind of heat exchanger tube according to claim 1 hangs down flow resistance fast-assembling suspension member, it is characterized in that: said external part root external diameter is identical with the heat exchanger tube internal diameter, and the far-end external diameter is more smaller than heat exchanger tube internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210067606 CN102679807B (en) | 2012-03-14 | 2012-03-14 | Quickly assembled hanging part with low flow resistance for heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210067606 CN102679807B (en) | 2012-03-14 | 2012-03-14 | Quickly assembled hanging part with low flow resistance for heat exchange tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102679807A true CN102679807A (en) | 2012-09-19 |
| CN102679807B CN102679807B (en) | 2013-07-03 |
Family
ID=46812103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210067606 Expired - Fee Related CN102679807B (en) | 2012-03-14 | 2012-03-14 | Quickly assembled hanging part with low flow resistance for heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102679807B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673745A (en) * | 2013-12-21 | 2014-03-26 | 北京化工大学 | Self-locking pendant capable of being assembled |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081875A (en) * | 1975-11-15 | 1978-04-04 | Eizo Nishino | Scale removal device |
| DE3332547C1 (en) * | 1983-09-09 | 1985-05-30 | FEG - Heizflächen Reinigungsanlagen GmbH, 4353 Oer-Erkenschwick | Apparatus for the cleaning of heat transfer surfaces arranged in a flue gas shaft and exposed to combustion gases |
| 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 |
| CN101968332A (en) * | 2010-09-20 | 2011-02-09 | 北京华夏壹泰科技有限公司 | EHT (Extra High Tension) self-cleaning energy-saving environment-friendly device and manufacture method thereof |
| CN102128560A (en) * | 2011-04-19 | 2011-07-20 | 北京化工大学 | Twisted belt type pendant in heat exchange pipe |
| CN102200406A (en) * | 2011-04-20 | 2011-09-28 | 北京化工大学 | Open hanging part inside heat exchange tube and sleeve limiting device |
-
2012
- 2012-03-14 CN CN 201210067606 patent/CN102679807B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081875A (en) * | 1975-11-15 | 1978-04-04 | Eizo Nishino | Scale removal device |
| DE3332547C1 (en) * | 1983-09-09 | 1985-05-30 | FEG - Heizflächen Reinigungsanlagen GmbH, 4353 Oer-Erkenschwick | Apparatus for the cleaning of heat transfer surfaces arranged in a flue gas shaft and exposed to combustion gases |
| 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 |
| CN101968332A (en) * | 2010-09-20 | 2011-02-09 | 北京华夏壹泰科技有限公司 | EHT (Extra High Tension) self-cleaning energy-saving environment-friendly device and manufacture method thereof |
| CN102128560A (en) * | 2011-04-19 | 2011-07-20 | 北京化工大学 | Twisted belt type pendant in heat exchange pipe |
| CN102200406A (en) * | 2011-04-20 | 2011-09-28 | 北京化工大学 | Open hanging part inside heat exchange tube and sleeve limiting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673745A (en) * | 2013-12-21 | 2014-03-26 | 北京化工大学 | Self-locking pendant capable of being assembled |
| CN103673745B (en) * | 2013-12-21 | 2015-06-17 | 北京化工大学 | Self-locking pendant capable of being assembled |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102679807B (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101968332A (en) | EHT (Extra High Tension) self-cleaning energy-saving environment-friendly device and manufacture method thereof | |
| CN101893404A (en) | Arch static turbulent element in heat exchange pipe | |
| CN101210791A (en) | Self-cleaning reinforcement heat transfer low flow resistance rotor in heat-transfer pipe | |
| CN102116594B (en) | Radial asymmetric blade combined rotor in heat exchange tube | |
| CN101839670B (en) | Inner diversion type self-tightening hanging part of heat exchange tube | |
| CN102200406A (en) | Open hanging part inside heat exchange tube and sleeve limiting device | |
| CN102128559A (en) | Low driving force self-cleaning and heat transfer enhancement rotor in heat exchange tube | |
| CN102252539B (en) | Shell and tube heat exchanger | |
| CN201000303Y (en) | Self-cleaning intensify heat transfer low flow resistance rotor in heat transfer pipe | |
| CN101907420B (en) | Porous assembled hanging element in heat exchange tube | |
| CN102102960B (en) | Combined rotor with vanes in interlaced crossover directions in heat exchange tube | |
| CN102679807B (en) | Quickly assembled hanging part with low flow resistance for heat exchange tube | |
| CN202614073U (en) | Rotor with multi-structural combined blades and in heat exchange tube | |
| CN102494552B (en) | Hanging component at water inlet end of heat exchange pipe | |
| CN103697740A (en) | Inner petal-shaped irregular-shaped heat exchange tube | |
| CN102645119B (en) | Composite rotor in heat exchange tube | |
| CN102032837A (en) | Self-cleaning enhanced heat-transfer magnetic suspension spiral twisted tape in heat-transfer tube | |
| CN101551205A (en) | Spiral fin self-supporting heat exchanger | |
| CN103411474A (en) | High flow disturbance sphere rotor inside heat exchange pipe | |
| CN202923457U (en) | High-flow drainage vehicle | |
| CN102607326B (en) | Heat transfer tube unit combined plug-in hard-wired device | |
| CN102419132A (en) | Water outlet end pendant of heat exchange tube | |
| CN204255155U (en) | Flue gas waste heat recovery heat pipe-type air-water heat exchanger | |
| CN102645121A (en) | Multi-structure combined blade rotor in heat exchange tube | |
| CN101832733A (en) | Automatic centering support bracket in heat exchange tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 |