CN101148775B - Explosion-resisting method and device for electro-galvanizing zinc dissolving station - Google Patents
Explosion-resisting method and device for electro-galvanizing zinc dissolving station Download PDFInfo
- Publication number
- CN101148775B CN101148775B CN200610116186A CN200610116186A CN101148775B CN 101148775 B CN101148775 B CN 101148775B CN 200610116186 A CN200610116186 A CN 200610116186A CN 200610116186 A CN200610116186 A CN 200610116186A CN 101148775 B CN101148775 B CN 101148775B
- Authority
- CN
- China
- Prior art keywords
- zinc
- dissolving
- zinc dissolving
- pump
- controller
- 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.)
- Active
Links
Images
Landscapes
- Coating With Molten Metal (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The present invention reveals explosion preventing method and apparatus for electroplated zinc dissolving station. The explosion preventing apparatus connected to the zinc dissolving tank and zinc dissolving pump in electroplated zinc dissolving station includes one zinc grain position detector to send out one warning signal in case of zinc grain position lower than certain set position; and one controller connected to the zinc grain position detector to change the operation rate of the zinc dissolving pump to one safe value when the zinc grain position detector sends out warning signal. The present invention can prevent accident caused by hydrogen overflow actively.
Description
Technical field
The present invention relates to the safety protection technique of electro-galvanizing equipment, more particularly, relate to a kind of explosion-resisting method and device of electro-galvanizing zinc dissolving station.
Background technology
The zinc-plated unit of continuous electric of the present employing gravity method electroplating technology that uses, the additional of zine ion constantly dissolved the zinc granule realization by zinc dissolving station system in the electroplating process.The zinc dissolving stands in the process of molten zinc, will produce a large amount of hydrogen, although the waste gas extractor fan diffuses the not stop pumping of waste gas of hydrogen to atmosphere, hydrogen also will keep certain pressure in the zinc dissolving tank.In case does not in time add the dissolved back of zinc granule, will cause hydrogen to overflow from zinc filling tube road junction, when the density of hydrogen that overflows accumulates to 0.4% when above, run into naked light or the fricative electrical spark of zinc granule when feeding in raw material again, then explosion caused easily.Similarly zinc dissolving station explosive incident once took place in calendar year 2001 in the type unit of Germany.
There is following defective in electro-galvanizing zinc dissolving station in the electro-galvanizing unit that uses at present: do not have the material level display unit, fully by manually observing, very easily cause error; No control corresponding securing system when descending appears in material level, is avoided overflowing of hydrogen without any control device and method.Zinc material level and zinc dissolving pump do not have linkage relationship.
So, just need a kind of explosion-resisting method and device that is used for this kind electro-galvanizing unit.
Summary of the invention
The explosion-resisting method and the device that the purpose of this invention is to provide a kind of electro-galvanizing zinc dissolving station are to improve the security of electro-galvanizing unit.
According to a first aspect of the invention, a kind of blast protection device of electro-galvanizing zinc dissolving station is provided, described electro-galvanizing zinc dissolving station comprises: the zincification bucket, be connected to the zinc dissolving tank of zincification bucket, be connected to the zinc dissolving pump of zinc dissolving tank, wherein, described blast protection device is connected in the zinc dissolving tank and the zinc dissolving pump of electro-galvanizing zinc dissolving station, this blast protection device comprises: the zinc granule position sensor, be connected in described zinc dissolving tank, when the zinc granule position in the described zinc dissolving tank is lower than a predetermined position, described zinc granule position sensor sends guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position; Controller is connected in described zinc granule position sensor, also is connected in zinc dissolving pump, and when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
According to one embodiment of the invention, described zinc granule position sensor comprises the grating detector switch.
According to one embodiment of the invention, described controller also comprises a timer, when receiving guard signal, timer picks up counting, guard signal does not still disappear when reaching for first scheduled time, and then described controller is reduced to the running speed of described zinc dissolving pump one desired speed and issues warning message; Guard signal does not still disappear when reaching for second scheduled time, and then described controller makes the stall of described zinc dissolving pump, and the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
According to a second aspect of the invention, a kind of electro-galvanizing zinc dissolving station is provided, comprise the zincification bucket, be connected to the zinc dissolving tank of zincification bucket, be connected to the zinc dissolving pump of zinc dissolving tank, and the exhausting system that is connected to the zinc dissolving tank, also comprise the blast protection device, be connected in zinc dissolving tank and zinc dissolving pump, this blast protection device comprises: the zinc granule position sensor, be connected in described zinc dissolving tank, when the zinc granule position in the described zinc dissolving tank is lower than a predetermined position, described zinc granule position sensor sends guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position; Controller is connected in described zinc granule position sensor, also is connected in zinc dissolving pump, and when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
According to one embodiment of the invention, described zinc granule position sensor comprises the grating detector switch.
According to one embodiment of the invention, described controller also comprises a timer, when receiving guard signal, timer picks up counting, guard signal does not still disappear when reaching for first scheduled time, and then described controller is reduced to the running speed of described zinc dissolving pump one desired speed and issues warning message; Guard signal does not still disappear when reaching for second scheduled time, and then described controller makes the stall of described zinc dissolving pump, and the adjustment of the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
According to a third aspect of the invention we, a kind of explosion-resisting method of electro-galvanizing zinc dissolving station is provided, comprise: a zinc granule position sensor is provided, be connected in the zinc dissolving tank, when the zinc granule position in the described zinc dissolving tank is lower than a predetermined position, described zinc granule position sensor sends guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position; One controller is provided, is connected in described zinc granule position sensor, also be connected in zinc dissolving pump, when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
According to one embodiment of the invention, this method also is included in provides a timer in the controller, and when receiving guard signal, timer picks up counting; When reaching for first scheduled time, if guard signal does not still disappear, then controller is reduced to the running speed that zinc dissolves pump one desired speed and issues warning message; When reaching for second scheduled time, if guard signal does not still disappear, then controller makes the stall of zinc dissolving pump; The adjustment of the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
The congenital defect that technical scheme of the present invention exists at the zinc dissolution system has been carried out fully effectively design and has been improved original dissolution system, effectively avoids controlling artificially and the error or the carelessness that are prone to, eliminates the excessive hidden danger that causes explosion hazard of hydrogen.
Description of drawings
In the present invention, identical Reference numeral is represented identical feature all the time, wherein,
Fig. 1 is the structure iron of electro-galvanizing zinc dissolving station in the conventional art;
Fig. 2 is the structure iron according to the electro-galvanizing zinc dissolving station of one embodiment of the invention;
Fig. 3 is the schema according to the explosion-resisting method of the electro-galvanizing zinc dissolving station of one embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
At first with reference to figure 1, Fig. 1 is the structure iron of electro-galvanizing zinc dissolving station 100 in the prior art.This electro-galvanizing zinc dissolving station 100 comprises: zincification bucket 102, the zinc dissolving tank 104 that is connected to zincification bucket 102, the zinc dissolving pump 106 that is connected to zinc dissolving tank 104 and the exhausting system 108 that is connected to zinc dissolving tank 104.
With reference to figure 2, Fig. 2 is the structure iron according to the electro-galvanizing zinc dissolving station 200 of one embodiment of the invention.Electro-galvanizing zinc dissolving station 200 of the present invention has increased blast protection device 202 on the basis of electro-galvanizing zinc dissolving station shown in Figure 1 100, be connected in zinc dissolving tank 104 and zinc dissolving pump 106, and this blast protection device 202 comprises:
Zinc granule position sensor 204, be connected in zinc dissolving tank 104, when the zinc granule position in the zinc dissolving tank 104 is lower than a predetermined position, zinc granule position sensor 204 sends guard signal, guard signal does not disappear before the zinc granule position is higher than the predetermined position. and with reference to embodiment shown in Figure 2, wherein zinc granule position sensor 204 is realized by the grating detector switch.
Get back to Fig. 2, this blast protection device 202 also comprises controller 206, be connected in zinc granule position sensor 204, also be connected in zinc dissolving pump 106, when controller 206 was received the guard signal that zinc granule position sensor 204 sends, controller 206 switched the grade of running speed to a safety of zinc dissolving pumps 106.According to embodiment shown in Figure 2, controller 206 also comprises a timer, when receiving guard signal, timer picks up counting, guard signal does not still disappear when reaching for first scheduled time, and then controller 206 is reduced to the running speed that zinc dissolves pump 106 one desired speed and issues warning message; Guard signal does not still disappear when reaching for second scheduled time, and then controller 206 makes 106 stalls of zinc dissolving pump.According to an embodiment, controller 206 realizes that by PLC first scheduled time was set at 1 hour, and desired speed is set at 25Hz, and second scheduled time was set at 2 hours, and warning message is by being connected to the indicating meter issue of electro-galvanizing zinc dissolving station.
Application example
According to an example of the present invention, after zinc granule adds in the zincification bucket, zinc granule position in the zinc dissolving tank will drop to below the predetermined position, the grating detector switch is connected, simultaneously, be connected on the indicating meter of this electro-galvanizing zinc dissolving station, can showing an information " LL ", zinc granule position in the expression zinc dissolving tank is low, and PLC picks up counting simultaneously.PLC timing 1 hour, " LL " low alarm are not eliminated, and then to be reduced to lowest power be 25Hz to zinc dissolving pump, and simultaneously, PLC produces a failure message and delivers to aforementioned display device, produces a failure message bar then on the display picture.When PLC timing 2 hours, " LL " low alarm was not still eliminated, and then zinc dissolving pump is out of service.Adjust and stop zinc dissolving pump and realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
Through evidence, when guard signal occurring, the material level in the zincification bucket also can be kept 2.5～3 hours safe operation at least, can guarantee that the zincification zone hydrogen does not take place overflows and reach detonation point.In case when the LL low alarm occurred, the Controlling System timing began, " LL " do not eliminate in 1 hour, and then the frequency of zinc dissolving pump drops to 25Hz, to reduce the generation of hydrogen, reduces the consumption of zinc granule simultaneously; Still do not eliminate when zinc material level " LL " warning surpasses 2 hours, this moment, then zinc dissolving pump quit work, to prevent to overflow owing to zinc position decline hydrogen the generation of the explosion hazard that causes.Event horizon by setting 1 hour and 2 hours and comparing in 2.5～3 hours can be guaranteed the safety of electro-galvanizing zinc dissolving station.
According to the present invention, a kind of explosion-resisting method of electro-galvanizing zinc dissolving station also is provided, with reference to figure 3, Fig. 3 is the schema according to the explosion-resisting method of the electro-galvanizing zinc dissolving station of one embodiment of the invention, this method 300 comprises:
302. a zinc granule position sensor is provided, be connected in the zinc dissolving tank, when the zinc granule position in the zinc dissolving tank was lower than a predetermined position, the zinc granule position sensor sent guard signal, and guard signal does not disappear before the zinc granule position is higher than the predetermined position;
304. a controller is provided, be connected in the zinc granule position sensor, also be connected in zinc dissolving pump, when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump;
According to embodiment shown in Figure 3, this method 300 also comprises:
306. a timer is provided in controller,
308. when receiving guard signal, timer picks up counting;
310. when reaching for first scheduled time, if guard signal does not still disappear, then controller is reduced to the running speed that zinc dissolves pump one desired speed and issues warning message;
312. when reaching for second scheduled time, if guard signal does not still disappear, then controller makes the stall of zinc dissolving pump.
Equally, in an example, first scheduled time was set at 1 hour, and desired speed is set at 25Hz, and second scheduled time was set at 2 hours, and described warning message is by being connected to the indicating meter issue of electro-galvanizing zinc dissolving station.
The congenital defect that technical scheme of the present invention exists at the zinc dissolution system has been carried out fully effectively design and has been improved original dissolution system, effectively avoids controlling artificially and the error or the carelessness that are prone to, eliminates the excessive hidden danger that causes explosion hazard of hydrogen.
Claims (8)
1. the blast protection device of an electro-galvanizing zinc dissolving station, described electro-galvanizing zinc dissolving station comprises: the zincification bucket, be connected to the zincification bucket the zinc dissolving tank, be connected to the zinc dissolving pump of zinc dissolving tank, it is characterized in that, described blast protection device is connected in the zinc dissolving tank and the zinc dissolving pump of electro-galvanizing zinc dissolving station, and this blast protection device comprises:
The zinc granule position sensor is connected in described zinc dissolving tank, and when the zinc granule position in the described zinc dissolving tank was lower than a predetermined position, described zinc granule position sensor sent guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position;
Controller is connected in described zinc granule position sensor, also is connected in zinc dissolving pump, and when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
2. the blast protection device of electro-galvanizing zinc dissolving station as claimed in claim 1 is characterized in that, described zinc granule position sensor comprises the grating detector switch.
3. the blast protection device of electro-galvanizing zinc dissolving station as claimed in claim 1, it is characterized in that, described controller also comprises a timer, when receiving guard signal, timer picks up counting, guard signal does not still disappear when reaching for first scheduled time, and then described controller is reduced to the running speed of described zinc dissolving pump one desired speed and issues warning message; Guard signal does not still disappear when reaching for second scheduled time, and then described controller makes the stall of described zinc dissolving pump, and the adjustment of the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
4. electro-galvanizing zinc dissolving station, comprise the zincification bucket, be connected to the zinc dissolving tank of zincification bucket, the zinc dissolving pump that is connected to the zinc dissolving tank and the exhausting system that is connected to the zinc dissolving tank, it is characterized in that, also comprise the blast protection device, be connected in zinc dissolving tank and zinc dissolving pump, this blast protection device comprises:
The zinc granule position sensor is connected in described zinc dissolving tank, and when the zinc granule position in the described zinc dissolving tank was lower than a predetermined position, described zinc granule position sensor sent guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position;
Controller is connected in described zinc granule position sensor, also is connected in zinc dissolving pump, and when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
5. electro-galvanizing zinc dissolving station as claimed in claim 4 is characterized in that, described zinc granule position sensor comprises the grating detector switch.
6. electro-galvanizing zinc dissolving station as claimed in claim 4, it is characterized in that, described controller also comprises a timer, when receiving guard signal, timer picks up counting, guard signal does not still disappear when reaching for first scheduled time, and then described controller is reduced to the running speed of described zinc dissolving pump one desired speed and issues warning message; Guard signal does not still disappear when reaching for second scheduled time, and then described controller makes the stall of described zinc dissolving pump, and the adjustment of the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
7. the explosion-resisting method of an electro-galvanizing zinc dissolving station is characterized in that,
One zinc granule position sensor is provided, is connected in the zinc dissolving tank, when the zinc granule position in the described zinc dissolving tank was lower than a predetermined position, described zinc granule position sensor sent guard signal, and described guard signal does not disappear before the zinc granule position is higher than described predetermined position;
One controller is provided, is connected in described zinc granule position sensor, also be connected in zinc dissolving pump, when controller was received the guard signal that the zinc granule position sensor sends, controller switched the grade of running speed to a safety of zinc dissolving pump.
8. the explosion-resisting method of electro-galvanizing zinc dissolving station as claimed in claim 7 is characterized in that, also be included in a timer is provided in the controller,
When receiving guard signal, timer picks up counting;
When reaching for first scheduled time, if guard signal does not still disappear, then controller is reduced to the running speed that zinc dissolves pump one desired speed and issues warning message;
When reaching for second scheduled time, if guard signal does not still disappear, then controller makes the stall of zinc dissolving pump;
The adjustment of the running speed of described zinc dissolving pump is to realize by the frequency transformer CUVC switchboard of adjusting the dissolving pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610116186A CN101148775B (en) | 2006-09-19 | 2006-09-19 | Explosion-resisting method and device for electro-galvanizing zinc dissolving station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610116186A CN101148775B (en) | 2006-09-19 | 2006-09-19 | Explosion-resisting method and device for electro-galvanizing zinc dissolving station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101148775A CN101148775A (en) | 2008-03-26 |
| CN101148775B true CN101148775B (en) | 2010-05-12 |
Family
ID=39249470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610116186A Active CN101148775B (en) | 2006-09-19 | 2006-09-19 | Explosion-resisting method and device for electro-galvanizing zinc dissolving station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101148775B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200498A (en) * | 2015-10-13 | 2015-12-30 | 中冶南方工程技术有限公司 | Method for controlling content of hydrogen in zinc dissolving tank for electro-galvanizing and zinc dissolving system |
| CN107313107A (en) * | 2017-06-29 | 2017-11-03 | 十堰市协兴工贸有限公司 | A kind of molten zinc technology method outside line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207249U (en) * | 1987-06-27 | 1988-05-18 | 汪敬武 | Protector of electric-heating distillator |
| CN2067824U (en) * | 1989-04-22 | 1990-12-19 | 江西省科学院 | Optical grating type measurer for liquid level in storage tank |
| CN2108906U (en) * | 1990-10-11 | 1992-07-01 | 周永贵 | Continuous test, display, control and alarm senser for liquid level or level of fluent solid material |
-
2006
- 2006-09-19 CN CN200610116186A patent/CN101148775B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207249U (en) * | 1987-06-27 | 1988-05-18 | 汪敬武 | Protector of electric-heating distillator |
| CN2067824U (en) * | 1989-04-22 | 1990-12-19 | 江西省科学院 | Optical grating type measurer for liquid level in storage tank |
| CN2108906U (en) * | 1990-10-11 | 1992-07-01 | 周永贵 | Continuous test, display, control and alarm senser for liquid level or level of fluent solid material |
Non-Patent Citations (2)
| Title |
|---|
| 王强，赵红.锌粉的爆炸与防爆.有色冶矿18 5.2002,18(5),40-41. |
| 王强,赵红.锌粉的爆炸与防爆.有色冶矿18 5.2002,18(5),40-41. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101148775A (en) | 2008-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101148775B (en) | Explosion-resisting method and device for electro-galvanizing zinc dissolving station | |
| WO2007098894A3 (en) | Energy supply for a blade adjustment device pertaining to a wind energy installation | |
| Alsema et al. | Reduction of the environmental impacts in crystalline silicon module manufacturing | |
| CN109356835A (en) | A kind of underground pump station tele-control system | |
| CN105484800B (en) | Underground coal mine coal working face floods alarm method based on image | |
| CN103305874B (en) | A kind of aluminum electrolyzing cell used blanking feedback and leakage material monitoring method | |
| CN105710327B (en) | Conticaster mouth of a river base selects cutter device automatically | |
| CN102607007A (en) | Control method and control device for primary fan system of coal-fired unit | |
| CN207710140U (en) | Rail welder automatic lubricating system | |
| CN101498921A (en) | Method for automatically monitoring fragmentation rate in solar cell processing course | |
| CN103510124A (en) | Micro-grid control system and device automatically adjusting aluminum electrolysis direct current load | |
| CN107806161B (en) | Diversion well control system and diversion well for power failure and control method | |
| CN103248120A (en) | Method for achieving accident trip judgment of scheduling main station without accident main signal | |
| CN205254085U (en) | Plumbous liquid feeding mechanism of equipment of rolling is cast to stereotype | |
| CN202673360U (en) | Coal mine belt conveying and water draining monitoring system | |
| CN208993557U (en) | A kind of vehicular high security transport aluminium pot | |
| CN108950590A (en) | A kind of system and method for primary brine quality in control chlor-alkali production | |
| CN204661536U (en) | A kind of full-automatic molten tin bath cooling system | |
| CN203602731U (en) | Negative pressure control device for electrolytic tanks | |
| CN205684681U (en) | Cutter sweep selected automatically by conticaster mouth of a river base | |
| CN108518576B (en) | Oil-break protection device and protection method for lubrication system of heavy-duty mechanical equipment | |
| CN102616551B (en) | Blockage prevention detection control device | |
| CN210460930U (en) | Water turbine set annunciator protection structure | |
| AU2019100274A4 (en) | A tap timer system, method and apparatus capable of detecting device fall accident and notifying user in a timely manner | |
| CN203774745U (en) | Internal contracting braking wire breaking and warning device of continuous casting withdrawing-straightening motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |