CN104266538B - Scale prevention and removal device for heat exchanger - Google Patents
Scale prevention and removal device for heat exchanger Download PDFInfo
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- CN104266538B CN104266538B CN201410537550.7A CN201410537550A CN104266538B CN 104266538 B CN104266538 B CN 104266538B CN 201410537550 A CN201410537550 A CN 201410537550A CN 104266538 B CN104266538 B CN 104266538B
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- heat exchanger
- tube
- transducer
- bobbin carriage
- scale prevention
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Abstract
The invention provides a scale prevention and removal device for a heat exchanger. The scale prevention and removal device for the heat exchanger comprises a tube box, a fluid inlet and an energy converter, wherein the tube box is composed of a shell cover, a tube section and a flange seat, the shell cover and the flange seat are respectively arranged at two ends of the tube section, an installation opening is formed in the shell cover, the energy converter is connected with the tube box through the installation opening, a piezoelectric ceramic component of the energy converter is arranged on the exterior of the tube box, a radiation front cover plate is arranged in the tube box, and a fluid inlet is formed in the tube section. The invention further provides a scale prevention and removal method for the heat exchanger. The piezoelectric ceramic component of the energy converter is placed on the exterior of the heat exchanger. The radiation front cover plate is placed in the heat exchanger. The direction of the center line of the energy converter is parallel to or coincident with the direction of the tube axis of the heat exchanger. The scale prevention and removal device for the heat exchanger effectively uses acting mechanisms of machinery vibration and liquid activation simultaneously, enables ultrasonic waves to directly act on parallel tubes so as to cause vibration among tube layers, enables cooling fluid after being activated to quickly enter the tube layers, prevents activation effectiveness of liquid media from declining due to flow time, improves scale prevention and removal efficiency of the ultrasonic waves, and reduces energy consumption.
Description
Technical field
The present invention relates to the cleaning field of heat exchanger, especially a kind of anti-descaler being applied to tubular heat exchanger.
Background technology
At present, the anti-descaler of existing ultrasonic wave mainly has two kinds of forms: one kind is table dress formula；Another kind is additional pipe nipple
Tubular type.
The table dress anti-descaler of formula ultrasonic wave is that anti-for ultrasonic wave descaler is arranged on the tube sheet flange of heat exchanger, ultrasonic wave
Vibrated by the tube layer that the shuttle belt of tube sheet flange moves within heat exchanger, the mechanism of its Main Function is mechanical oscillation.But
Because tube sheet flange is generally very thick, and the fundamental wave of measuring apparatus itself is difficult to, so vibrated by tube layer driving tubulation vibration to make
With limited.
The anti-descaler of additional pipe nipple tubular ultrasonic ripple is the circulating cooling liquid that anti-for ultrasonic wave descaler is arranged on heat exchanger
Entrance point, the cavitation effect using ultrasonic wave activates to coolant, thus reaching the purpose of anti-scale removal.But this mode
Installation site is required strict, need to be arranged on close proximity to heat exchanger circulating cooling liquid entrance point, and this mode is often
Run into the not enough problem of an installing space, that is, do not have enough spaces to install, sometimes even need anti-descaler is installed
Apart from heat exchanger distant location, thus having a strong impact on the effect of anti-scale removal.
, due to being arranged on tube sheet flange, tube sheet flange is very big to energy attenuation, and acoustic energy can not act on effectively for table dress formula
In liquid medium so as to produce activation, mainly by mechanical oscillation come scale removal；And additional pipe nipple tubular type is due to being unable to direct effect
In tubulation, it is difficult to possess mechanical oscillation effect, mainly activates scale removal by liquid.It can be seen that, existing ultrasonic wave is prevented and kill off at present
Dirty device cannot be accomplished to activate two kinds of mechanism come work using mechanical oscillation and liquid simultaneously.
Content of the invention
It is an object of the invention to provide a kind of anti-descaler for heat exchanger, by improving its structure, thus changing it
Mounting means and the mode of action, so as to simultaneously effective activate two kinds of mechanism come anti-scale removal using mechanical oscillation and liquid, improve
The efficiency of scale removal, reduces the cleaning process of heat exchanger.
In order to achieve the above object, the following technical scheme of present invention offer:
A kind of anti-descaler for heat exchanger, it includes bobbin carriage, fluid intake and transducer, and bobbin carriage includes end socket, cylinder
Section and flange seat, end socket and flange seat are separately positioned on the two ends of shell ring, and end socket opens up multiple installing ports, and transducer passes through peace
Dress mouth be connected with bobbin carriage, the piezo ceramic element of transducer outside bobbin carriage, the radiation front shroud of transducer in bobbin carriage, and with change
The coolant directly contact of hot device, the direction of transducer center line is parallel with the tube axial direction of heat exchanger or overlaps, and shell ring is opened
If fluid intake, described flange seat is used for being connected with the tube sheet of described heat exchanger, and described end socket opens up 7 installing ports, one
Installing port is opened in the central authorities of end socket, and other 6 are evenly distributed in its surrounding.
Preferably, transducer is connected with bobbin carriage by flange.
Further, described fluid intake arranges connecting plate, for connecting the adapter of coolant.
Because the entrance that bobbin carriage is circulating cooling liquid is apart from the nearest position of tube layer simultaneously again, ultrasonic wave is installed herein
Anti- descaler not only can sufficiently be activated to coolant very well, make the liquid after activation quickly enter tube layer, again simultaneously
Ultrasonic wave can be made to region be directly facing tube layer carry out radiating the judder causing tube layer thus reaching the anti-scale removal of good ultrasonic wave
Purpose.
The present invention have the advantages that the following aspects:
1st, simultaneously effective make use of mechanical oscillation and the mechanism of action of liquid activation, ultrasonic wave can directly act on row
Pipe, causes tube layer to vibrate, reaches anti-scale removal purpose；Coolant after activation can rapidly enter tube layer, it is to avoid liquid Jie
Matter activation effectiveness goes down because of flowing time.
2nd, the position installed increased the distance of effectively anti-scale removal, and straight line is more beneficial for the propagation of ultrasonic wave, improves super
The efficiency of the anti-scale removal of sound wave, and reduce energy consumption.
3rd, structure is simple, low cost, and the ultrasonic wave anti-descaler equipment without using high-end technology can achieve.
4th, install and maintenance is all convenient.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the external structure schematic diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention；
Fig. 3 is tubular heat exchanger basic structure；
Fig. 4 is the tubular heat exchanger being mounted with the present invention.
In figure, 1, shell ring, 2, flange seat, 3, end socket, 4, fluid intake, 5, installing port, 6, transducer, 7, the pressure of transducer
Electroceramics, 8, the radiation front shroud of transducer, 9, connecting plate.
Specific embodiment
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described it is clear that institute
The embodiment of description is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly falls into this
The scope of bright protection.
In conjunction with Fig. 1, shown in Fig. 2, a kind of anti-descaler for heat exchanger that the present invention provides, it includes bobbin carriage, fluid
Entrance and transducer, bobbin carriage includes end socket, shell ring and flange seat composition, and end socket and flange seat are separately positioned on the two ends of shell ring,
7 installing ports are opened up on end socket, an installing port is opened in the central authorities of end socket, other 6 are evenly distributed in its surrounding.According to
The size of connected tubular heat exchanger diameter, power etc., the quantity of installing port and distribution mode can be adjusted accordingly
Whole.Transducer is connected with bobbin carriage by installing port, and shell ring opens up fluid intake, and fluid intake arranges connecting plate.Wherein, make
Transducer is market is common ultrasonic transducer, and it generally by piezo ceramic element, radiates cover plate, prestressing force in front and back
Screw rod, electrode slice and insulation tube composition.When transducer is connected with bobbin carriage, the piezo ceramic element of transducer outside bobbin carriage,
Make piezo ceramic element will not touch liquid it is ensured that its high sensitivity, meet the needs of ultrasonic wave transmitting；Meanwhile, change
The radiation front shroud of energy device, inside bobbin carriage, enables ultrasonic wave straight line and closely transmits to tubular heat exchanger.
The operation principle of the present invention is as follows:
The structure of tubular heat exchanger such as Fig. 3, its bobbin carriage is disassembled, and the present invention is arranged on the position of this bobbin carriage,
As Fig. 4, the coolant adapter of heat exchanger is directly connected to the fluid intake of the present invention.By external ultrasonic-frequency power supply and the present invention
Transducer connect after start the present invention, transducer produce ultrasonic activation be applied to from fluid intake enter heat exchanger cold
But, in liquid, coolant is made to produce ultrasonic coagulation phenomenon, that is, the granulometric impurity being suspended in water is aggregated into the nodule of larger particles
And precipitate, because metal pipe-wall is different to the frequency response of ultrasonic activation with water, therefore, between metal and water, produce high speed
Relative motion so that the nodule of larger particles at all cannot be static the surface cementing in tube wall, but be rendered as suspension wadding
Shape thing, these floccules can be excluded easily by blowdown.Simultaneously as the present invention is directly connected with the tube sheet of heat exchanger, surpass
Acoustic vibration effect has also driven whole heat exchanger vibration, so that the tube layer within heat exchanger is also carried out vibrating, it is to avoid
Vibration is transmitted by tube sheet flange, takes full advantage of mechanical oscillation to discharge the incrustation scale in exchanger tube wall.By machinery
Vibration and the effect of liquid activation, reach the purpose except antiscale, thus decreasing the wash number of heat exchanger, improve heat exchange
The service life of the heat exchanger that efficiency extends again.
The present invention is directly connected to heat exchanger come anti-scale removal by transducer, in transducer accommodation so as to piezoelectric ceramics
Part is placed on the outside of heat exchanger, is not subject to the immersion of heat exchanger internal liquid it is ensured that the power line of piezo ceramic element can be straight
Connect ultrasonic-frequency power supply in succession；And radiate the inside that front shroud is placed on heat exchanger, and the coolant directly contact with heat exchanger, real
The radiation cover plate of existing transducer is capable of the coolant of direct contact heat transfer device it is ensured that activation.Meanwhile, transducer center line
Direction is parallel with the tube axial direction of heat exchanger or overlaps.Because the direction of transfer of ultrasonic wave is consistent with the pipe axle of heat exchanger being conducive to
The propagation of ultrasonic wave, had both enhanced activation, and its ultrasonic vibration simultaneously can maximally pass to the tube layer of heat exchanger again, reaches
To the effect using mechanical oscillation.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (3)
1. a kind of anti-descaler for heat exchanger it is characterised in that: include bobbin carriage, fluid intake and transducer, described bobbin carriage
It is made up of end socket, shell ring and flange seat, described end socket and flange seat are separately positioned on the two ends of shell ring, described end socket open up many
Individual installing port, described transducer is connected with bobbin carriage by installing port, the piezo ceramic element of transducer outside bobbin carriage, transducer
Radiation front shroud inside bobbin carriage, and the coolant directly contact with heat exchanger, the direction of transducer center line and heat exchanger
Tube axial direction parallel or overlap, described shell ring opens up fluid intake, described flange seat is used for tube sheet with described heat exchanger
Connect, described end socket opens up 7 installing ports, an installing port is opened in the central authorities of end socket, other 6 are evenly distributed in it
Surrounding.
2. the anti-descaler for heat exchanger according to claim 1 it is characterised in that: transducer pass through flange and bobbin carriage
Connect.
3. the anti-descaler for heat exchanger according to claim 1 and 2 it is characterised in that: set on described fluid intake
Put connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410537550.7A CN104266538B (en) | 2014-10-13 | 2014-10-13 | Scale prevention and removal device for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410537550.7A CN104266538B (en) | 2014-10-13 | 2014-10-13 | Scale prevention and removal device for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266538A CN104266538A (en) | 2015-01-07 |
| CN104266538B true CN104266538B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410537550.7A Active CN104266538B (en) | 2014-10-13 | 2014-10-13 | Scale prevention and removal device for heat exchanger |
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| CN (1) | CN104266538B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969234B (en) * | 2017-05-26 | 2022-12-27 | 哈尔滨龙声超声技术有限公司 | Anti-scaling and sterilizing device for pipeline |
| CN107023753B (en) * | 2017-05-26 | 2023-11-03 | 哈尔滨龙声超声技术有限公司 | Crude oil paraffin control and viscosity reduction device based on power ultrasonic wave |
| US10969141B2 (en) | 2018-03-13 | 2021-04-06 | Ngb Innovations Llc | Regulating temperature and reducing buildup in a water heating system |
| CN115739852A (en) * | 2022-10-27 | 2023-03-07 | 中核武汉核电运行技术股份有限公司 | Ultrasonic impact loosening device for hard sludge between heat transfer tubes of steam generator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645542A (en) * | 1984-04-26 | 1987-02-24 | Anco Engineers, Inc. | Method of pressure pulse cleaning the interior of heat exchanger tubes located within a pressure vessel such as a tube bundle heat exchanger, boiler, condenser or the like |
| CN201364049Y (en) * | 2009-03-03 | 2009-12-16 | 安徽仪腾节能环保科技有限公司 | Ultrasonic highly effective heat exchanger |
| CN202470880U (en) * | 2011-12-08 | 2012-10-03 | 河南理工大学 | Ultrasonic antiscale descaling apparatus of condenser in power plant |
| CN202793087U (en) * | 2012-09-20 | 2013-03-13 | 哈尔滨商业大学 | Enhanced heat-exchange shell-tube heat exchanger for anti-fouling and descaling by ultrasonic wave |
| CN202928442U (en) * | 2012-11-12 | 2013-05-08 | 湖北瑜晖电子科技有限公司 | Online ultrasonic antiscaling and descaling system of turbine condenser |
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| CN104266538A (en) | 2015-01-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180424 Address after: 514000, Meizhou City, Guangdong Province Special Technology Park (Jiaoling County banana town) Patentee after: GUANGDONG GT ULTRASONIC CO., LTD. Address before: 518063 Guangdong city of Shenzhen province Nanshan District South Road No. 10 four Patentee before: Chen Xinhong |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An anti scaling device for heat exchanger Effective date of registration: 20220527 Granted publication date: 20170118 Pledgee: Bank of China Limited Meizhou branch Pledgor: GUANGDONG GT ULTRASONIC Co.,Ltd. Registration number: Y2022980006573 |