CN108362143A - A kind of antiscale tube-sheet heat exchanger - Google Patents
A kind of antiscale tube-sheet heat exchanger Download PDFInfo
- Publication number
- CN108362143A CN108362143A CN201810337301.1A CN201810337301A CN108362143A CN 108362143 A CN108362143 A CN 108362143A CN 201810337301 A CN201810337301 A CN 201810337301A CN 108362143 A CN108362143 A CN 108362143A
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- CN
- China
- Prior art keywords
- tube
- heat
- heat exchanger
- transfer pipe
- sheet
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/004—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using protective electric currents, voltages, cathodes, anodes, electric short-circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of antiscale tube-sheet heat exchangers, including shell, heat-transfer pipe, bobbin carriage and power supply, heat-transfer pipe is set in shell, the both ends of heat-transfer pipe are connected to bobbin carriage, and the both ends of bobbin carriage are respectively equipped with A fluid inlets and A fluid outlets, and shell is equipped with B fluid inlets and B fluid outlets, the both ends of heat-transfer pipe are fixed on by tube sheet in shell, heat-transfer pipe is connect by the tube sheet at both ends with positive pole, and wire electrode is equipped in heat-transfer pipe, and the both ends of wire electrode and the cathode of power supply connect.The scale removal and antiscale for realizing heat exchanger can be with effective protection heat exchangers by the two kinds of effects of scale inhibition and scale removal.
Description
Technical field
The present invention relates to chemical equipment technical fields, and in particular to a kind of antiscale tube-sheet heat exchanger.
Background technology
Existing tube-sheet heat exchanger, using two kinds of fluids in tube layer and shell flow process, on heat-transfer pipe wall surface
It exchanges heat, conducts heat because of changes of heat flux on tube wall, the minerals usually fouling on tube wall in fluid.The fouling of formation is not only
Heat exchange efficiency is influenced, and block pipeline to influence circulation, because the corrosion that fouling induces can also damage heat exchanger, influences production peace
Entirely.It is industrial main at present that scale inhibition and scale removal are carried out using input chemical agent, but do so and equipment can be made to a certain extent
At corrosion, while while discharging, can bring environmental pollution.The above problem brings great trouble to the use of heat exchanger, and industry is changed
Hot device after several years often using must just replace the components such as heat-transfer pipe.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of antiscale pipe
Plate heat exchanger realizes the scale removal and antiscale of heat exchanger, can be with effective protection heat exchanger by the two kinds of effects of scale inhibition and scale removal.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of antiscale tube-sheet heat exchanger, including shell, heat-transfer pipe, bobbin carriage and power supply, heat-transfer pipe are set in shell, are passed
The both ends of heat pipe are connected to bobbin carriage, and the both ends of bobbin carriage are respectively equipped with A fluid inlets and A fluid outlets, and shell enters equipped with B fluids
Mouth and B fluid outlets, the both ends of heat-transfer pipe are fixed on by tube sheet in shell, the tube sheet and positive pole that heat-transfer pipe passes through both ends
Connection, heat-transfer pipe is interior to be equipped with wire electrode, and the both ends of wire electrode and the cathode of power supply connect.
According to above-mentioned technical proposal, power supply is DC power supply.
According to above-mentioned technical proposal, bobbin carriage includes left pipe box and right pipe box, and left pipe box and right pipe box are respectively arranged at shell
Both ends, A fluid inlets are set on left pipe box, and A fluid outlets are set on right pipe box.
According to above-mentioned technical proposal, the multiple baffle plates being interspersed are equipped in shell.
According to above-mentioned technical proposal, the both ends of wire electrode are equipped with terminal plate, and wire electrode is negative by terminal plate and power supply
Pole connects.
According to above-mentioned technical proposal, terminal plate is round netted metallic conductor, in addition to tie point position, terminal plate other
Position is coated with insulating materials.
According to above-mentioned technical proposal, wire electrode is metallic resilient material.
According to above-mentioned technical proposal, the end of tube sheet protrudes from outside shell, and the external coating that tube sheet is in shell has absolutely
Edge anti-corrosion material, tube sheet protrude the coating that the surface outside shell is coated with metal Ru iridium oxide.
According to above-mentioned technical proposal, the internal face of heat-transfer pipe is coated with the coating of metal Ru iridium oxide.
According to above-mentioned technical proposal, insulating corrosion corrosion material is coated on bobbin carriage internal face.
The invention has the advantages that：
When heat exchanger works, fluid opens power supply, forms electric field, heat-transfer pipe inside heat-transfer pipe full of inside heat-transfer pipe
Inner wall is anode, and wire electrode is cathode, and under electric field action, the heavy metal ion such as calcium and magnesium in fluid are moved to negative electricity polar filament
It is dynamic, it can prevent to form fouling in heat-transfer pipe internal face, the heavy metal ion such as the calcium and magnesium of Sync enrichment near wire electrode are in electricity
Sediment can be formed under chemical action, sediment can not be attached on wire electrode, can be taken away with the fluid flowed, to real
The scale removal and antiscale of existing heat exchanger can be with effective protection heat exchangers by the two kinds of effects of scale inhibition and scale removal.
Description of the drawings
Fig. 1 is the structural schematic diagram of antiscale tube-sheet heat exchanger in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of terminal plate in the embodiment of the present invention；
Fig. 3 is the scheme of installation of terminal plate in the embodiment of the present invention；
In figure, 1- left pipe box, 2-A fluid inlets, the left tube sheets of 3-, 4-B fluid outlets, 5- baffle plates, 6- shells, 7- heat transfers
Pipe, 8- wire electrodes, 9- right tube plates, 10- right pipe box, 11- DC power supplies, the left terminal plates of 12-, 13-B fluid inlets, 14-A fluids
Outlet, the right terminal plates of 15-, 16- wiring points, 17- terminal plates, 18- tube sheets.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 3, the antiscale tube-sheet heat exchanger in one embodiment provided by the invention, including shell
6, heat-transfer pipe 7, bobbin carriage and power supply, heat-transfer pipe 7 are set in shell 6, and the both ends of heat-transfer pipe 7 are connected to bobbin carriage, the both ends of bobbin carriage
It is respectively equipped with A fluid inlets 2 and A fluid outlets 14, shell 6 is equipped with B fluid inlets 13 and B fluid outlets 4, heat-transfer pipe 7
Both ends are fixed on by tube sheet in shell 6, and heat-transfer pipe 7 is connect by the tube sheet at both ends with positive pole, and electricity is equipped in heat-transfer pipe 7
Polar filament 8, the both ends of wire electrode 8 and the cathode of power supply connect.
Further, power supply is DC power supply 11.
Further, bobbin carriage includes left pipe box 1 and right pipe box 10, and left pipe box 1 and right pipe box 10 are respectively arranged at shell 6
Both ends, A fluid inlets 2 are set on left pipe box 1, and A fluid outlets 14 are set on right pipe box 10.
Further, the multiple baffle plates 5 being interspersed are equipped in shell 6.
Further, the number of baffle plate 5 is two, and heat-transfer pipe 7 passes through baffle plate 5, and the number of heat-transfer pipe 7 is 3~8
It is a, it is mutually parallel and is uniformly distributed, wire electrode 8 is equipped in each heat-transfer pipe 7.
Further, the both ends of wire electrode 8 are equipped with terminal plate 17, the cathode that wire electrode 8 passes through terminal plate 17 and power supply
Connection.
Further, terminal plate 17 is round netted metallic conductor, in addition to 16 position of tie point, other portions of terminal plate 17
Position is coated with insulating materials.
Further, wire electrode 8 is metallic resilient material.
Further, the terminal plate 17 at both ends is respectively left terminal plate 12 and right terminal plate 15.
Further, wire electrode 8 is fixed in heat-transfer pipe 7 by left terminal plate 12 and right terminal plate 15, each heat-transfer pipe 7
In there is a wire electrode 8, wire electrode 8 to be connected with the cathode of DC power supply 11 by terminal plate 17.
Further, the end of tube sheet protrudes from outside shell 6, and the external coating that tube sheet is in shell 6 has insulating corrosion
Material, tube sheet protrude the coating that the surface outside shell 6 is coated with metal Ru iridium oxide.
Further, the tube sheet at both ends is respectively left tube sheet 3 and right tube plate 9, left tube sheet 3 and right tube plate 9 by welding with
Heat-transfer pipe 7 connects, and left tube sheet 3 and right tube plate 9 are coated with insulating corrosion corrosion material in addition to welding position.
Further, the internal face of heat-transfer pipe 7 is coated with the coating of metal Ru iridium oxide.
Further, it is coated with insulating corrosion corrosion material on bobbin carriage internal face.
The work of antiscale tube-sheet heat exchanger, including following process：
(1), A fluids enter heat exchanger from A fluid inlets 2, and from 14 outflow heat exchanger of A fluid outlets, B fluids are from B fluids
Entrance 13 enters heat exchanger, and from 4 outflow heat exchanger of B fluid outlets, A fluids and B fluids carry out between the inside and outside wall of heat-transfer pipe 7
Heat exchange；
(2), A fluids flood inside heat-transfer pipe 7, opening DC power supply 11, shape between 7 internal face of wire electrode 8 and heat-transfer pipe
At electric field, 7 internal face of heat-transfer pipe is anode, and wire electrode 8 is cathode, and the metal ions such as calcium and magnesium in A fluids are under electric field action
It moves, will not be enriched on 7 internal face of heat-transfer pipe to wire electrode 8, realize scale effect；
(3), the metal ions such as calcium and magnesium in A fluids are enriched with formation precipitation near wire electrode 7, and the sediment of precipitation can not
It is attached on wire electrode 7, can realize scale removal effect with the flowing outflow heat exchanger of A fluids；
(4), the surface of 7 internal face of heat-transfer pipe and prominent tube sheet 18 is coated with the coating of metal Ru iridium oxide, is being powered
After heat-transfer pipe 7 can be prevented to be etched electrochemically；
(5), left tube sheet 3 and right tube plate 9 and the internal face of left pipe box 1 and right pipe box 10 are coated with Insulation anticorrosive material
Material, can prevent from being etched electrochemically after powered up.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (10)
1. a kind of antiscale tube-sheet heat exchanger, which is characterized in that including shell, heat-transfer pipe, bobbin carriage and power supply, heat-transfer pipe is set in
In shell, the both ends of heat-transfer pipe are connected to bobbin carriage, and the both ends of bobbin carriage are respectively equipped with A fluid inlets and A fluid outlets, are set on shell
There are B fluid inlets and B fluid outlets, the both ends of heat-transfer pipe to be fixed in shell by tube sheet, the tube sheet that heat-transfer pipe passes through both ends
It is connect with positive pole, wire electrode is equipped in heat-transfer pipe, the both ends of wire electrode and the cathode of power supply connect.
2. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that power supply is DC power supply.
3. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that bobbin carriage includes left pipe box and right pipe box,
Left pipe box and right pipe box are respectively arranged at the both ends of shell, and A fluid inlets are set on left pipe box, and A fluid outlets are set to the right side
On bobbin carriage.
4. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that multiple equipped with being interspersed in shell
Baffle plate.
5. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that the both ends of wire electrode are equipped with wiring
Plate, wire electrode are connected by the cathode of terminal plate and power supply.
6. antiscale tube-sheet heat exchanger according to claim 5, which is characterized in that terminal plate is that round netted metal is led
Body, in addition to tie point position, other positions of terminal plate are coated with insulating materials.
7. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that wire electrode is metallic resilient material.
8. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that the end of tube sheet protrudes from outside shell,
The external coating that tube sheet is in shell has insulating corrosion material, the surface that tube sheet protrudes outside shell to be coated with metal Ru iridium oxide
Coating.
9. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that the internal face of heat-transfer pipe is coated with metal Ru
The coating of iridium oxide.
10. antiscale tube-sheet heat exchanger according to claim 1, which is characterized in that it is anti-to be coated with insulation on bobbin carriage internal face
Corrosion material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337301.1A CN108362143A (en) | 2018-04-16 | 2018-04-16 | A kind of antiscale tube-sheet heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337301.1A CN108362143A (en) | 2018-04-16 | 2018-04-16 | A kind of antiscale tube-sheet heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108362143A true CN108362143A (en) | 2018-08-03 |
Family
ID=63008492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810337301.1A Pending CN108362143A (en) | 2018-04-16 | 2018-04-16 | A kind of antiscale tube-sheet heat exchanger |
Country Status (1)
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| CN (1) | CN108362143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166039A (en) * | 2021-11-30 | 2022-03-11 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Closed cooling tower without waste water and valve cooling system |
Citations (6)
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|---|---|---|---|---|
| US20110041515A1 (en) * | 2007-10-18 | 2011-02-24 | Michael Lee Fraim | High Efficiency, Corrosion Resistant Heat Exchanger and Method of Use Thereof |
| 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 |
| CN103673691A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel fixed tube-sheet heat exchanger |
| CN104230009A (en) * | 2014-09-12 | 2014-12-24 | 陈昱如 | Enclosed type electro-adsorption water treatment technology |
| CN105502690A (en) * | 2015-12-10 | 2016-04-20 | 北京津工海水科技有限公司 | Electro-adsorption hardness removal device and circulating cooling water processing system and method |
| CN208187208U (en) * | 2018-04-16 | 2018-12-04 | 武汉工程大学 | A kind of antiscale tube-sheet heat exchanger |
-
2018
- 2018-04-16 CN CN201810337301.1A patent/CN108362143A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110041515A1 (en) * | 2007-10-18 | 2011-02-24 | Michael Lee Fraim | High Efficiency, Corrosion Resistant Heat Exchanger and Method of Use Thereof |
| 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 |
| CN103673691A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel fixed tube-sheet heat exchanger |
| CN104230009A (en) * | 2014-09-12 | 2014-12-24 | 陈昱如 | Enclosed type electro-adsorption water treatment technology |
| CN105502690A (en) * | 2015-12-10 | 2016-04-20 | 北京津工海水科技有限公司 | Electro-adsorption hardness removal device and circulating cooling water processing system and method |
| CN208187208U (en) * | 2018-04-16 | 2018-12-04 | 武汉工程大学 | A kind of antiscale tube-sheet heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166039A (en) * | 2021-11-30 | 2022-03-11 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Closed cooling tower without waste water and valve cooling system |
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