CN2030709U - Screwy reinforced heat-exchanging scale-removing device - Google Patents
Screwy reinforced heat-exchanging scale-removing device Download PDFInfo
- Publication number
- CN2030709U CN2030709U CN 87217519 CN87217519U CN2030709U CN 2030709 U CN2030709 U CN 2030709U CN 87217519 CN87217519 CN 87217519 CN 87217519 U CN87217519 U CN 87217519U CN 2030709 U CN2030709 U CN 2030709U
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- China
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- spiral winding
- pipe
- condenser
- shell
- reinforcement
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Abstract
The utility model relates to a screwy scale removing device with reinforcing rib, and is suitable for the reinforce heat transfer and the scale removing on the internal face of the condenser tube and the shell and tube heat exchanger used in the industries of metallurgy, chemical industry and etcdynamic force, etc. The utility model can realize the automatic scale cleaning of the shell and tube heat exchanger and the condenser under the circumstance of no load reduce and no shutdown, and solves the problem of glue ball can not cleaning the place with serious scales. Under the condition of identical flow of cooling water and heat transfer rate and pressure loss, the utility model can increase the heat exchange coefficient about one and a half times to three times and saves the heat exchange area about 56% compared with the light pipe of the shell and tube heat exchanger and the condenser.
Description
The present invention relates to a kind of spiral scale-eliminating device that has reinforcement, is applicable to the shell-and-tube heat exchanger in the industry such as metallurgy, chemical industry, power and the scale removal and the enhanced heat exchange of condenser tube inner surface.
At present, the pipe internal surface Fouling Cleaning of shell-and-tube heat exchanger and condenser is broadly divided into two classes.One class is the cleaning that needs shutdown or load shedding, has comprised these those skilled in the art's known method such as hairbrush, heated-air drying, hydrodynamic cleaning, chemical addition agent; Another kind of is the not cleaning of load shedding, and what generally adopt is that glueballs cleans automatically, sees " glueballs of condenser cleans " book, is write by Jiangsu Province power office, and hydraulic and electric engineering publishing house publishes, in April, 1979 front page.DRP DE3021697(1982.1.28 announces), DE3021698(1980.6.6 announces), DE3021699(1982.1.28 announces) three pieces of documents in spoken of the inner glueballs form of cleaning usefulness of several condensers.Rubber ball cleaning system partly is made of glueballs, Rubber ball pump, ball collector, glueballs collecting box etc.The ball proportion and the recirculated water of sponge shape are close, diameter is usually greater than 1～2 millimeter of bore, enter in the pipe with recirculated water through Rubber ball pump, glueballs and inside pipe wall have the contact-making surface of a whole circle in advancing, and the Fouling Cleaning on the pipe internal surface is got off with outside the recirculated water discharge pipe.More than its shortcomings of mode of cleaning dirt of two classes be: a class need be shut down or load shedding, and hand labor intensity is big; Two classes are that glueballs cleans that to enter in the pipe be at random, and the serious local glueballs of dirt often is easy to stop up in the pipe, and ball collecting rate is lower.
Task of the present invention is, when shell-and-tube heat exchanger (9) or condenser (9) operation, in the pipe (15) a kind of element that cleaning has the enhanced heat exchange function again that is beneficial to is set, make easily, insert convenient to remove, be beneficial to repair and maintenance, have the higher coefficient of heat transfer and less pressure drop and have anti-tartar performance preferably.
The present invention realizes like this, electromagnetic mechanism or hydraulic mechanism or steam-operating mechanism (1) or electric motor driven cam with prior art, the curved bar mechanical mechanism is drive unit (1), by the net grid (3) of drive unit (1) in drive rod (2) driving is entering the mouth hydroecium (13) or outlet hydroecium (10), net grid (3) move back and forth the cleaning dirt by the spiral winding (8) that reinforcement (5) drives in the every pipe (15), the dirt that washes down is discharged with recirculated water, and the spiral winding (8) that has reinforcement (5) plays a part the enhanced heat exchange element when the inactive state of non-cleaning.
Spiral winding (8) is to form through mechanical coiling according to the method that engineers and technicians know, adopt metal materials such as copper cash, steel wire or aluminium alloy wire all can, the cross section of metal material can be circular also can be the plurality of stepped serrations material.Has a reinforcement (5) at least in each spiral winding (8) inboard, form through manual or mechanical spot welding, the metal material of reinforcement (5) can be with the spiral winding unanimity, and reinforcement (5) plays when the spacing (S) that makes spiral winding (8) moves back and forth the cleaning dirt in pipe (15) and remains unchanged.When adopting a reinforcement (5), an end or two end prolongations join with movable connection method and net grid (3), are convenient to change maintenance; When adopting two reinforcements (5), in the mode of " Y " shape the end of two reinforcements (5) are welded together, extend a reinforcement (5) and be connected with net grid (3), three reinforcements (5) connect in " amount " shape mode.Spiral coil (8) is connected back integral body, and to have protective layer can be insulated paint or polyvinyl chloride or rubber etc. with reinforcement (5); in order to guarantee spiral winding (8) and the flexible friction of managing (15) inner surface, spiral winding when preventing to clean dirt (8) damage pipe (15) inner surface and the intermetallic electrochemical corrosion of different potentials.Spiral winding (8) can also adopt the integral molded plastic mode to make plastic spiral coil (8).Spiral winding (8) is present in the spiral scale-eliminating device or is applied in the purposes that all has enhanced heat exchange in shell-and-tube heat exchanger (9), the condenser (9) separately.Fluid is subjected to the guiding of spiral winding (8) when flowing in pipe (15), make helical form near the segment fluid flow of pipe (15) inner surface along helix and flow, and meanwhile, spiral winding (8) also produces periodic perturbation to the fluid that flows vertically.Preceding a kind of effect helps the attenuate fluid boundary layer, and because the radially blending that action of centrifugal force has produced fluid; A kind of turbulent fluctuation that acts on meeting aggravation fluid particle in back.The two can strengthen by the heat transmission of pipe (15) inner surface to bodies of fluid, thereby has improved the coefficient of heat transfer.
The drive unit that the present invention and prior art have solved (1), drive rod (2), net grid (3) have constituted spiral scale-eliminating device; can realize that shell-and-tube heat exchanger (9) or condenser (9) are not cleaning dirt under load shedding, the non-stop-machine situation automatically; the dirt that washes down is discharged with recirculated water, has solved the problem that the serious local glueballs of dirt does not clean.The present invention compares with the light pipe (15) of existing shell-and-tube heat exchanger (9), condenser (9), under the situation identical at cooling water flow, that the heat exchange amount is identical, the pressure loss is identical, can make the coefficient of heat transfer improve 1.5～3.0 times, save 56% heat exchange area, simplified Maintenance and Repair work.Two kinds of purposes of a kind of device have fully improved usage ratio of equipment, have reduced the repair and maintenance expense of shell-and-tube heat exchanger (9) or condenser (9).It is a kind of energy saver that has an economic benefit on metallurgy, chemical industry, the power industry.
Fig. 1: spiral scale-eliminating device schematic diagram;
Fig. 2: spiral winding is placed on schematic diagram in the pipe;
Fig. 3: the spiral winding side view that has two reinforcements;
Fig. 4: the spiral winding side view that has three reinforcements;
Fig. 5: the spiral winding side view that has a reinforcement;
Fig. 6: net grid schematic diagram.
Below in conjunction with accompanying drawing embodiments of the invention are described:
Referring to accompanying drawing, drive unit (1) adopts electromagnetic mechanism to be connected with net grid (3) through drive rod (2), net grid (3) are placed in inlet hydroecium (13) and the outlet hydroecium (10), net grid (3) adopt pin to flexibly connect by node (16) and reinforcement (5), when starting drive unit (1), reinforcement (5) is driving spiral winding (8) moves back and forth the scavenge pipe inner surface in pipe (15) dirt, and dirt is discharged by coolant outlet (4) through outlet hydroecium (10) with recirculated water.Spiral winding (8) all adopts red copper wire with reinforcement (5), whole insulation paint immersion coating, and the external diameter of spiral winding this moment (8) equates with pipe (15) internal diameter (d=23 millimeter).The spacing (S) of spiral winding (8), the diameter of line (φ) with the optimum ratio of the internal diameter (d) of pipe (15) is: S/d=1.565; φ/d=0.0452.The optimum value of spiral winding (8) reciprocating distance (L) in pipe (15) is: 2S＞L＞S, promptly adopt the spacing of the reciprocating distance of spiral winding (8) less than 2 times spiral winding (8), greater than the spacing of spiral winding (8), can guarantee best cleaning dirt effect.Only when inlet hydroecium (13) or outlet hydroecium (10) one sides employing drive units (1), the length of spiral winding (8) is the value that the length (1=2 rice) of pipe (15) deducts spiral winding (8) reciprocating motion length (L).When the bigger tractive force of needs, inlet hydroecium (13), when drive units (1) are adopted in outlet hydroecium (10) both sides, the length of spiral winding (8) equals the length of pipe (15).At non-cleaning dirt, spiral winding (8) is when remaining static, reinforcement (5) will extend in outside the tube sheet (14) with net grid (3) coupling part, can reduce the resistance of convection cell like this, and spiral winding (8) plays the effect of enhanced heat exchange element in pipe (15) simultaneously.
Spiral winding (8) and reinforcement (5) whole as independent enhanced heat exchange element application when shell-and-tube heat exchanger (9) or the condenser (9), the external diameter of spiral winding (8) also can reach the effect of enhanced heat exchange less than the internal diameter of pipe (15).Fixed form adopts in inlet hydroecium (13) side, and reinforcement (5) extension is become 90 ° with pipe (15), and the part of reinforcement (5) extension just is parallel with tube sheet (14), is beneficial to repair and maintenance and the cleaning way that adopts other like this.
Referring to Fig. 1, (6) are bolt; (7) be the steam inlet; (11) be the condensate water outlet; (12) be water inlet.
Claims (6)
1, pipe [15] the inner surface dirt automatic flushing device of a kind of shell-and-tube heat exchanger [9] or condenser [9], include drive unit [1], drive rod [2], net grid [3], the invention is characterized in the interior spiral winding [8] that flexibly connects with net grid [3] that insert of every pipe [15] of shell-and-tube heat exchanger [9] or condenser [9].
2, device according to claim 1 is characterized in that spiral winding (8) inboard has at least one reinforcement (5).
3, according to claim 1,2 described devices; it is characterized in that to prevent the intermetallic chemical attack of different potentials and move back and forth friction causing what pipe (15) inner surface damaged; the spiral winding (8) that has reinforcement (5), whole with protective layer.
4, device according to claim 3 is characterized in that protective layer can be insulated paint, polyvinyl chloride, rubber etc.
5,, it is characterized in that adopting metal material to make spiral winding (8) and reinforcement (5) according to claim 1,2 described devices.
6, device according to claim 5 is characterized in that the metal material that adopts can be that the cross section is copper cash, steel wire, aluminium alloy wire of disc or ellipsoid etc., or is injection molded into the spiral winding (8) of plastics in the mode of integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87217519 CN2030709U (en) | 1987-12-28 | 1987-12-28 | Screwy reinforced heat-exchanging scale-removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87217519 CN2030709U (en) | 1987-12-28 | 1987-12-28 | Screwy reinforced heat-exchanging scale-removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2030709U true CN2030709U (en) | 1989-01-11 |
Family
ID=4831085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87217519 Withdrawn CN2030709U (en) | 1987-12-28 | 1987-12-28 | Screwy reinforced heat-exchanging scale-removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2030709U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865253A (en) * | 2016-03-30 | 2016-08-17 | 神华集团有限责任公司 | Heat exchanger and tower system provided with same |
| CN106839865A (en) * | 2015-12-03 | 2017-06-13 | 华电电力科学研究院 | Intelligent Condenser Titanium Tube on-line cleaning device system |
| CN108217785A (en) * | 2018-03-27 | 2018-06-29 | 楼龙春 | A kind of method and device of overcritical sea water desalination |
| CN109612310A (en) * | 2018-12-19 | 2019-04-12 | 杭州欣卓科技有限公司 | A kind of chemical industry heat exchange equipment |
| CN109654914A (en) * | 2018-12-19 | 2019-04-19 | 杭州欣卓科技有限公司 | A kind of heat exchanger |
| WO2020192221A1 (en) * | 2019-03-27 | 2020-10-01 | 楼龙春 | Supercritical gasification device and method |
-
1987
- 1987-12-28 CN CN 87217519 patent/CN2030709U/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839865A (en) * | 2015-12-03 | 2017-06-13 | 华电电力科学研究院 | Intelligent Condenser Titanium Tube on-line cleaning device system |
| CN106839865B (en) * | 2015-12-03 | 2019-11-26 | 华电电力科学研究院 | Intelligent Condenser Titanium Tube on-line cleaning device system |
| CN105865253A (en) * | 2016-03-30 | 2016-08-17 | 神华集团有限责任公司 | Heat exchanger and tower system provided with same |
| CN105865253B (en) * | 2016-03-30 | 2017-12-19 | 神华集团有限责任公司 | Heat exchanger and there is its Tower System |
| CN108217785A (en) * | 2018-03-27 | 2018-06-29 | 楼龙春 | A kind of method and device of overcritical sea water desalination |
| WO2019184588A1 (en) * | 2018-03-27 | 2019-10-03 | 楼龙春 | Supercritical seawater desalination method and device |
| CN109612310A (en) * | 2018-12-19 | 2019-04-12 | 杭州欣卓科技有限公司 | A kind of chemical industry heat exchange equipment |
| CN109654914A (en) * | 2018-12-19 | 2019-04-19 | 杭州欣卓科技有限公司 | A kind of heat exchanger |
| CN109654914B (en) * | 2018-12-19 | 2020-05-22 | 日照岚山区嘉懿热力有限公司 | Heat exchanger |
| WO2020192221A1 (en) * | 2019-03-27 | 2020-10-01 | 楼龙春 | Supercritical gasification device and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |