CN1320488A - Automatic mechanical in-line cleaning technique for evaporator - Google Patents
Automatic mechanical in-line cleaning technique for evaporator Download PDFInfo
- Publication number
- CN1320488A CN1320488A CN 00113395 CN00113395A CN1320488A CN 1320488 A CN1320488 A CN 1320488A CN 00113395 CN00113395 CN 00113395 CN 00113395 A CN00113395 A CN 00113395A CN 1320488 A CN1320488 A CN 1320488A
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- evaporimeter
- feed liquid
- tie
- boiling
- house
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A mechanically automatic in-line cleaning technique for evaporator features that it uses such tools as rotational cleaning band installed in heating pipe, high-power booster for generating natural circulation, boiling chamber, froth killer boards, labyrinth plate, and reflux circulating pipe segment. Its advantages are automatic cleaning, high evaporation power, low energy consumption, and simple structure. It is suitable for evaporation step in different fields.
Description
What patent of the present invention related to is the online mechanical automatic cleaning technology of evaporimeter, this technology can be widely used in sugaring, salt manufacturing, chemical industry, food, papermaking, pharmacy, metallurgy (as alumina producing) caustic soda, glauber salt (anhydrous sodium sulfate), akali sulphide, etc. the evaporation production of industry.
Present widely used evaporimeter, in process of production, because solution evaporation back concentration improves, Steam Heating heat-transfer area temperature is higher, often make on the heating surface fouling serious, very fast (a few hours～do not wait in tens of hours) just tied thicker dirt, evaporability is seriously descended, and steam consumption obviously increases.Therefore, evaporimeter needs to stop continually to clean.In order to prolong the cycle that evaporimeter stops and cleans, some user has to adopt the rate of circulating flow of investing in forced circulation pump big, that energy consumption is high or the increasing heating tube.But, still need periodic water to clean, improved total energy consumption greatly.
Patent of the present invention is intended to overcome existing evaporimeter because of the heating tube fouling seriously needs the technological deficiency that the cycle cleans, and a kind of online mechanical automatic cleaning technology of evaporimeter is provided.Can carry out the function of automatic cleaning when adopting the evaporimeter of this patent of invention to have production run, thereby have the remarkable advantage bigger than existing evaporator evaporation ability, that energy consumption is low, simple in structure.
The technical scheme of patent of the present invention is:
In every heating tube of evaporator heating chamber, an axial restraint, circumferential rotatable tie are installed.During production run, evaporation feed liquid that rapid and natural circulates drives the tie rotation in the heating tube, the constantly fouling of scavenge pipe inwall, reach automatic cleaning and descaling antiscale, energy-conservation, evaporate the production purpose continuously, efficiently.The generation of the motive force that the Natural Circulation of evaporation feed liquid flows and enhancing are to lean against the boiling-house that the evaporator heating chamber top is provided with a big degree of depth, between boiling-house that big small bubble and feed liquid are mixed and the circulating reflux pipe that is arranged on no steam bubble behind the resistance vapour plate, produce bigger density contrast, form the motive force of enough big differential static pressure as evaporation feed liquid Natural Circulation with this, motive force promotion evaporation feed liquid rapid and natural circulates whereby.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
Specific embodiments below in conjunction with accompanying drawing 1, accompanying drawing 2 explanations patent of the present invention:
Evaporimeter mainly is made up of parts such as broken bubble plate group 1, boiling-house 2, discharge nozzle 3, boost motor 4, heating steam inlet tube 5, heating clamber 6 (about can being two, also can have only wherein any one), heating tube 16, reflux cycle pipeline section 7, feed pipe 8, resistance vapour plate 9, vaporization chamber 10, demister 11, indirect steam export department 12, tie 13, mouth of pipe bearing 14, rotating shafts 15.
During production run, the shell side of heating clamber 6 (about can being two, also can have only wherein any one) is connected heating steam inlet tube 5, and the feed liquid in the evaporimeter evaporate indirect steam that forms by export department's 12 discharges under boiling point.In the every heating tube 16 of evaporator heating chamber 6, a circumferential rotatable tie 13 is installed.The axial restraint of tie in heating tube is to adopt mouth of pipe bearing 14 and rotating shaft 15 to fix at the feed liquid arrival end, taken out of outside the pipe by feed liquid to prevent tie.The evaporation feed liquid that rapid and natural circulates drives ties 13 rotations be installed in the heating tube 16, and the fouling of heating tube 16 internal faces of constantly swiping reaches the purpose of automatic cleaning.
The evaporation feed liquid that Natural Circulation flows through heating clamber 6 (about can being two, also can have only wherein any one) heating after, temperature has raise.In the process that in boiling-house 2, rises, static pressure constantly lowers, oversaturated feed liquid is constantly vaporized, the steam bubble in the boiling-house 2 and the density of material liquid mixture are significantly reduced, reflux cycle pipeline section 7 with the no steam bubble of this and respective heights section forms density contrast and differential static pressure, i.e. heat transfer enhancements.
Boiling-house 2 not only has enough degree of depth, and broken bubble plate group 1 is installed prevents to form big vapour bubble, bubble is had in interior boiling-house 2 as far as possible for a long time stop, so that the feed liquid in the boiling-house 2 and the hybrid density of steam bubble fall lowly as far as possible.The bottom of boiling-house 2 is equipped with boost motor 4.Boost motor 4 has two kinds of structures, is horizontally disposed with, annular tube shaped structure is applicable to larger-diameter boiling-house, vertically is provided with, single nozzle structure is applicable to the boiling-house than minor diameter.The effect of boost motor 4 is, not only utilizing the boosting steam injection stream higher than evaporimeter internal pressure directly to promote feed liquid circulates, and the big small bubble that utilizes these boosting steam improves the vaporization degree of depth significantly, reduces the hybrid density of feed liquids and steam bubble in the boiling-house 2 effectively, so that malleation or normal pressure have enough big circulation motive force when the evaporimeter of operation is driven down, when more making the evaporimeter ordinary production of operating under the vacuum enough big circulation motive force can be arranged.
Above reflux cycle pipeline section 7 enters the mouth in vaporization chamber, resistance vapour plate 9 is installed, carries secretly so that prevent and reduce the feed liquid that steam bubble is refluxed.The liquor inlet pipe 8 that is lower than evaporating temperature also is installed in the top of return duct 7 inlets.These structural designs all are in order to improve the density of backflow pipeline section 7, so that produce enough big self-loopa motive force.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1, is illustrated in the feed liquid arrival end of heating tube 16, the mode that installs and fixes of tie 13, mouth of pipe bearing 14 and rotating shaft 15.Heat-resisting, wear-resistant, corrosion resistant metal or engineering plastics manufacturing are all adopted in tie 13, mouth of pipe bearing 14 and rotating shaft 15.
Claims (4)
1. the online mechanical automatic cleaning technology of evaporimeter is in the every heating tube 16 of heating clamber 6, and a circumferential rotatable tie 1 is installed.Under the drive of the evaporation feed liquid that circulates, tie 13 rotates automatically, and the fouling of the heating tube of scraping cleaning constantly 16 internal faces, carries out cleaning, descaling and antiscaling automatically.
2. according to the axial restraint of tie 13 in heating tube 16 of claim 1, be fixing, taken away by feed liquid that this flows to prevent tie 13 in the feed liquid arrival end employing mouth of pipe bearing 14 and the rotating shaft 15 of heating tube 16.
3. the boost motor 4 according to claim 1 has two kinds of structures, is horizontally disposed with, annular tube shaped structure is applicable to larger-diameter boiling-house, vertically is provided with, single nozzle structure is applicable to the boiling-house than minor diameter.The effect of boost motor 4 is, not only utilizing the boosting steam injection stream higher than evaporimeter internal pressure directly to promote feed liquid circulates, and the big small bubble that utilizes these boosting steam improves the vaporization degree of depth significantly, reduces the hybrid density of feed liquids and steam bubble in the boiling-house 2 effectively, so that malleation or normal pressure have enough big circulation motive force when the evaporimeter of operation is driven down, when more making the evaporimeter ordinary production of operating under the vacuum enough big circulation motive force can be arranged.
4. about according to the heating clamber 6 of claim 1 can being two, also can have only wherein any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113395 CN1320488A (en) | 2000-04-27 | 2000-04-27 | Automatic mechanical in-line cleaning technique for evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113395 CN1320488A (en) | 2000-04-27 | 2000-04-27 | Automatic mechanical in-line cleaning technique for evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1320488A true CN1320488A (en) | 2001-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00113395 Pending CN1320488A (en) | 2000-04-27 | 2000-04-27 | Automatic mechanical in-line cleaning technique for evaporator |
Country Status (1)
| Country | Link |
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| CN (1) | CN1320488A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862213B (en) * | 2005-05-13 | 2010-05-12 | 湖南工业大学 | Gas jet pulse screw automatic washing type high-efficient heat transfer device |
| CN102895786A (en) * | 2011-07-27 | 2013-01-30 | 俞天翔 | Energy-saving evaporator |
| CN102941987A (en) * | 2012-10-19 | 2013-02-27 | 宁波东来化工有限公司 | Catalyst measuring tank |
| CN105000613A (en) * | 2015-07-24 | 2015-10-28 | 中山沃尔威多水处理设备有限公司 | Billowing evaporation system and technology applied to high-salt and high-scale-rate waste water |
| CN106984055A (en) * | 2017-05-25 | 2017-07-28 | 广东沃泰环保有限公司 | It is a kind of can on-line cleaning shell and tube forced-circulation evaporation device and its cleaning method |
-
2000
- 2000-04-27 CN CN 00113395 patent/CN1320488A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862213B (en) * | 2005-05-13 | 2010-05-12 | 湖南工业大学 | Gas jet pulse screw automatic washing type high-efficient heat transfer device |
| CN102895786A (en) * | 2011-07-27 | 2013-01-30 | 俞天翔 | Energy-saving evaporator |
| CN102941987A (en) * | 2012-10-19 | 2013-02-27 | 宁波东来化工有限公司 | Catalyst measuring tank |
| CN102941987B (en) * | 2012-10-19 | 2015-05-20 | 宁波东来化工有限公司 | Catalyst measuring tank |
| CN105000613A (en) * | 2015-07-24 | 2015-10-28 | 中山沃尔威多水处理设备有限公司 | Billowing evaporation system and technology applied to high-salt and high-scale-rate waste water |
| CN106984055A (en) * | 2017-05-25 | 2017-07-28 | 广东沃泰环保有限公司 | It is a kind of can on-line cleaning shell and tube forced-circulation evaporation device and its cleaning method |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |