CN101092681A - Hot galvanizing pot in type of circulating and purifying zinc - Google Patents
Hot galvanizing pot in type of circulating and purifying zinc Download PDFInfo
- Publication number
- CN101092681A CN101092681A CN 200610028081 CN200610028081A CN101092681A CN 101092681 A CN101092681 A CN 101092681A CN 200610028081 CN200610028081 CN 200610028081 CN 200610028081 A CN200610028081 A CN 200610028081A CN 101092681 A CN101092681 A CN 101092681A
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- China
- Prior art keywords
- zinc
- pot
- cadmia
- circulating
- hot galvanizing
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- 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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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 93
- 239000011701 zinc Substances 0.000 title claims abstract description 93
- 238000005246 galvanizing Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 abstract description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 abstract 1
- 239000008397 galvanized steel Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 35
- 238000000034 method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 239000002893 slag Substances 0.000 description 7
- 230000002950 deficient Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
This invention discloses a hot-galvanized pot with circulation and purification of zinc solution. The hot-galvanized pot comprises a refractory main pot, circulation and purification pipelines, an electromagnetic pump, a zinc catcher for capturing and removing zinc residue, and control valves. The zinc residue can be removed while hot-galvanizing on a steel plate, so the quality of the hot-galvanized steel plate is improved.
Description
Technical field
The present invention relates to metallurgical pot galvanize of smelting, more specifically refer to a kind of hot galvanizing pot in type of circulating and purifying zinc, this hot-galvanized cauldron is used at the pot galvanize operation process zinc liquid being carried out circularly purifying.
Background technology
Pot galvanize is to use general and the most effective technological measure in the steel anti-corrosion method up to now.The hot-dip galvanizing sheet steel of modernization continuous hot galvanizing explained hereafter is widely used in light industry, household electrical appliances, building and automobile industry.Heat zinc coating plate is except the requirement of aspects such as solidity to corrosion, intensity, deep drawing quality, and is also more and more higher to the requirement of surface quality, and coating cadmia defective is one of main mass defect of heat zinc coating plate.In the steel plate hot galvanizing process because the dissolvings of erosion, belt steel surface iron powder and the base steel of the oxidation of the reaction of solvent, air, zinc pot etc. all can make a considerable amount of iron advance in people's zinc liquid, and with zinc and zinc liquid in elements such as the aluminium generation cadmia that reacts.Cadmia is different according to composition, structure, density and size, can be different states such as end slag, face slag and scum silica frost in zinc liquid.The formation of cadmia not only consumes a large amount of zinc, in case deposit or stick in the surface quality that can have a strong impact on heat zinc coating plate on sinking roller or the steel plate, therefore avoids the cadmia defective very crucial for the production of high quality heat zinc coating plate.Hot-galvanized cauldron is the key equipment that galvanizing is produced, and the pot galvanize of steel plate is carried out in the zinc pot.The main effect of zinc pot is exactly a splendid attire zinc liquid, the supply of zinc liquid etc. when the fusing zinc ingot metal guarantees that steel plate soaks zinc.The advanced degree of zinc pot technology and practicality directly influence economic and technical norms such as quality, output, consumption, environmental protection and the equipment funds input of pot galvanize product and restrict economic benefit of enterprises and social benefit.
Traditional hot galvanizing kettle 10 substantially all adopts unitary structure, as shown in Figure 1.Sinking roller 13, to stablize roller 15 are the most important component devices of zinc pot, sinking roller 13 is deflector roll of a no transmission, is submerged in zinc liquid 12 inside, and it drives by the frictional force of band steel and roller, stablize roller 15 and be positioned at sinking roller 13 tops, play a part the check strap steel and swing.When pot galvanize was produced, steel plate 14 entered the zinc pot from a side of zinc pot with certain inclination angle, and through sinking roller 13, stablize roller 15 from the zinc bath " spuing ", finish hot galvanizing process in a short period of time.The steel plate hot galvanizing process all is a quantity-produced, therefore continuous accumulation cadmia in the zinc liquid in the zinc pot, on float to the cadmia on zinc liquid surface, i.e. face slag, can dispose from zinc liquid surface by the method for manually fishing for, but then be at a complete loss as to what to do for the cadmia that is suspended in the zinc liquid.
Japanese Patent 06-322498 discloses a kind of " preventing the adherent method of hot galvanizing process steel cadmia ", in this patent, near the band steel, be provided with a U type partition wall, near Region Segmentation clean surperficial slag blanket and the steel band is opened, with the chance of minimizing band steel dry slag, but, also there are a large amount of suspension slags in zinc liquid inside because cadmia not only floats on zinc liquid surface, therefore by the disclosed technology of this patent, the effect of removing cadmia is also very limited.
Summary of the invention
The objective of the invention is to overcome the deficiency that existing zinc pot exists, a kind of hot galvanizing pot in type of circulating and purifying zinc is provided, when can be implemented in the pot galvanize operation, make the cadmia that forms and remain in the zinc liquid obtain the effect that continual separation is removed again, reduce the concentration of cadmia in the zinc liquid, purify zinc liquid, the steel plate pot galvanize can be carried out all the time, in clean zinc liquid to improve the quality of coating of heat zinc coating plate.
For achieving the above object, the present invention has adopted following technical scheme:
This hot galvanizing pot in type of circulating and purifying zinc comprises main zinc pot and circularly purifying passage,
Described main zinc pot and circularly purifying passage are interconnected, and bottom surface and surroundings wall be refractory masses,
Electromagnetic pump, cadmia catcher, by-pass valve control are set on the described circularly purifying passage.
Described by-pass valve control and electromagnetic pump lay respectively at the ingress and the exit of circularly purifying passage,
Described cadmia catcher is positioned at the mid-way of circularly purifying passage.
The bottom horizontal plane of described circularly purifying passage is higher than the bottom horizontal plane of main zinc pot.
The outermost layer of described main zinc pot and circularly purifying passage is the steel plate layer.
In technique scheme of the present invention, this hot-galvanized cauldron comprises main zinc pot and circularly purifying passage, main zinc pot and circularly purifying passage are interconnected, electromagnetic pump, cadmia catcher, by-pass valve control are set on the circularly purifying passage, main zinc pot is used for steel plate pot galvanize operation, and the circularly purifying passage is used to remove cadmia and zinc liquid circularly purifying, and electromagnetic pump makes zinc liquid circulate through purification channel, the cadmia catcher is caught cadmia and is regularly removed, and by-pass valve control is used to control zinc liquid and flows.Galvanizing kettle of the present invention can overcome the shortcoming that can not effectively remove cadmia that traditional zinc pot exists, when can be implemented in the pot galvanize operation, making the cadmia that has formed and remained in the zinc liquid obtain continual separation again removes, reduce the concentration of cadmia in the zinc liquid, purify zinc liquid, the steel plate pot galvanize can be carried out all the time, to improve the quality of coating of heat zinc coating plate in clean zinc liquid.
Description of drawings
Fig. 1 carries out steel plate hot galvanizing process synoptic diagram for utilizing the traditional hot galvanizing kettle.
Fig. 2 is the cross sectional representation of hot galvanizing pot in type of circulating and purifying zinc of the present invention.
Fig. 3 is the vertical section synoptic diagram of hot galvanizing pot in type of circulating and purifying zinc of the present invention.
Embodiment
In order to understand technique scheme of the present invention better, describe in detail further below in conjunction with drawings and Examples.
Please in conjunction with Fig. 2, shown in Figure 3, hot galvanizing pot in type of circulating and purifying zinc of the present invention comprises main zinc pot 20 and circularly purifying passage 21.Main zinc pot is used to carry out steel plate pot galvanize operation, and the circularly purifying passage is used to remove cadmia and zinc liquid circularly purifying.
Described main zinc pot 20 and circularly purifying passage 21 are interconnected, and bottom surface and surroundings wall be refractory masses 22, and outermost layer all has steel plate layer 26 to support.
Described circularly purifying passage 21 in height has a difference of altitude h with main zinc pot 20, promptly, the bottom horizontal plane of described circularly purifying passage 21 is higher than the bottom horizontal plane of main zinc pot 20, and She Ji purpose is to prevent the mobile end slag that sinks to the bottom of a pan that stirs of zinc liquid like this.Difference of altitude is between 5cm~20cm.
On the described circularly purifying passage 21 electromagnetic pump 25 is set, be used to provide zinc liquid recycle stream moving motivating force, cadmia catcher 24 to be used to catch cadmia and regularly remove, by-pass valve control 23 is used to control zinc liquid and flows.
Described by-pass valve control 23 and electromagnetic pump 25 lay respectively at the ingress and the exit of circularly purifying passage, and described cadmia catcher 24 is positioned at the mid-way of circularly purifying passage.
Described main zinc pot 20 can be provided with a circularly purifying passage, and a plurality of circularly purifying passages also can be set; Described circularly purifying passage 21 both can be the orthogonal cell body, also can adopt the duct type structure; Width one side that both can be arranged at main zinc pot 20 also can be arranged on a side of length direction.
Described cadmia catcher 24 can adopt porcelain filter, electromagnetic purification device or other composite purification device.
Please again in conjunction with Fig. 2, shown in Figure 3, steel plate pot galvanize operation is mainly carried out in main zinc pot 20, can in zinc liquid, form cadmia, these zinc liquid that have cadmia flow into circularly purifying passage 21 by main zinc pot 20 under the effect of electromagnetic pump 25, through cadmia catcher 24 time, the cadmia removal that is captured is got back to main zinc pot 20 again through the zinc liquid after purifying, and realizes the primary purification process.Because this process is a successive processes, so hot galvanizing liquid is purified continuously, and wherein most of cadmia was removed in the very first time that forms, and improved zinc liquid cleanliness factor greatly, reduced the incidence of galvanized sheet cadmia defective.
By above-mentioned description as seen, hot galvanizing pot in type of circulating and purifying zinc of the present invention can overcome the deficiency in the existing zinc pot technology, can reduce the concentration of cadmia in the zinc liquid in the pot galvanize operation, purifies zinc liquid, reduces the generation of heat zinc coating plate cadmia defective.The guarantee of stably manufactured high quality heat zinc coating plate is provided for steel industry.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (4)
1, a kind of hot galvanizing pot in type of circulating and purifying zinc is characterized in that:
This hot-galvanized cauldron comprises main zinc pot and circularly purifying passage,
Described main zinc pot and circularly purifying passage are interconnected, and bottom surface and surroundings wall be refractory masses,
Electromagnetic pump, cadmia catcher, by-pass valve control are set on the described circularly purifying passage.
2, hot galvanizing pot in type of circulating and purifying zinc as claimed in claim 1,
It is characterized in that:
Described by-pass valve control and electromagnetic pump lay respectively at the ingress and the exit of circularly purifying passage,
Described cadmia catcher is positioned at the mid-way of circularly purifying passage.
3, hot galvanizing pot in type of circulating and purifying zinc as claimed in claim 1,
It is characterized in that:
The bottom horizontal plane of described circularly purifying passage is higher than the bottom horizontal plane of main zinc pot.
4, hot galvanizing pot in type of circulating and purifying zinc as claimed in claim 1,
It is characterized in that:
The outermost layer of described main zinc pot and circularly purifying passage is the steel plate layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610028081 CN101092681A (en) | 2006-06-23 | 2006-06-23 | Hot galvanizing pot in type of circulating and purifying zinc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610028081 CN101092681A (en) | 2006-06-23 | 2006-06-23 | Hot galvanizing pot in type of circulating and purifying zinc |
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Publication Number | Publication Date |
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CN101092681A true CN101092681A (en) | 2007-12-26 |
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CN 200610028081 Pending CN101092681A (en) | 2006-06-23 | 2006-06-23 | Hot galvanizing pot in type of circulating and purifying zinc |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102216485A (en) * | 2008-11-14 | 2011-10-12 | 西门子Vai金属科技有限公司 | Method and device for controlling the introduction of several metals into a cavity designed to melt said metals |
CN105803369A (en) * | 2016-03-23 | 2016-07-27 | 张家港市奥神科技有限公司 | Method for stirring melt in hot galvanizing smelting furnace |
CN106191729A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of device reducing the formation of continuous hot-dipping galvanizing zinc of zinc pot slag |
CN107326317A (en) * | 2017-08-09 | 2017-11-07 | 常州市左贤机械制造有限公司 | A kind of double intelligent circulation charging/discharging device |
CN108070805A (en) * | 2016-11-05 | 2018-05-25 | 天津市津南区利兴热镀锌加工厂 | A kind of circulation hot galvanizing bath with filter device |
CN110629146A (en) * | 2019-09-24 | 2019-12-31 | 周鹏 | Preparation method of ultrathin galvanized sheet |
-
2006
- 2006-06-23 CN CN 200610028081 patent/CN101092681A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102216485A (en) * | 2008-11-14 | 2011-10-12 | 西门子Vai金属科技有限公司 | Method and device for controlling the introduction of several metals into a cavity designed to melt said metals |
US8795408B2 (en) | 2008-11-14 | 2014-08-05 | Siemens Vai Metals Technologies Sas | Method and device for controlling the introduction of several metals into a cavity designed to melt said metals |
CN102216485B (en) * | 2008-11-14 | 2014-12-31 | 西门子Vai金属科技有限公司 | Method and device for controlling the introduction of several metals into a cavity designed to melt said metals |
CN105803369A (en) * | 2016-03-23 | 2016-07-27 | 张家港市奥神科技有限公司 | Method for stirring melt in hot galvanizing smelting furnace |
CN105803369B (en) * | 2016-03-23 | 2018-03-27 | 张家港市奥神科技有限公司 | The method that a kind of liquation in zinc smelting furnace to hot dip of steel wire is stirred |
CN106191729A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of device reducing the formation of continuous hot-dipping galvanizing zinc of zinc pot slag |
CN108070805A (en) * | 2016-11-05 | 2018-05-25 | 天津市津南区利兴热镀锌加工厂 | A kind of circulation hot galvanizing bath with filter device |
CN107326317A (en) * | 2017-08-09 | 2017-11-07 | 常州市左贤机械制造有限公司 | A kind of double intelligent circulation charging/discharging device |
CN107326317B (en) * | 2017-08-09 | 2024-02-02 | 常州市左贤机械制造有限公司 | Double-station intelligent circulation feeding and discharging device |
CN110629146A (en) * | 2019-09-24 | 2019-12-31 | 周鹏 | Preparation method of ultrathin galvanized sheet |
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