CN206486583U - Zinc gray filter for galvanizing - Google Patents
Zinc gray filter for galvanizing Download PDFInfo
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- CN206486583U CN206486583U CN201621487453.2U CN201621487453U CN206486583U CN 206486583 U CN206486583 U CN 206486583U CN 201621487453 U CN201621487453 U CN 201621487453U CN 206486583 U CN206486583 U CN 206486583U
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- zinc
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- pipe road
- defeated
- galvanizing
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Abstract
The utility model is related to hot dip galvanized zinc alloy technique and its apparatus field used, specially a kind of zinc gray filter for galvanizing.A kind of zinc gray filter for galvanizing, including stove nose (11), it is characterized in that：Also include taking out zinc pipe road (21), defeated zinc pipe road (22) and filter (3), the delivery port for taking out zinc pipe road (21) pump orifice and defeated zinc pipe road (22) all connects and the inner chamber insertion all with stove nose (11) with stove nose (11), and the row's zinc mouthful and defeated zinc pipe road (22) for taking out zinc pipe road (21) enter series filtration unit (3) between zinc mouth.The utility model is simple in construction, easy for installation, reduces labor intensity, improves product quality.
Description
Technical field
The utility model is related to hot dip galvanized zinc alloy technique and its apparatus field used, is specially that one kind is used for galvanizing
Zinc gray filter.
Background technology
Stamping procedure will typically be passed through during modern galvanized sheet production, the ductility to strip proposes very high requirement,
So Continuous Hot Dip Galvanizing strip, which is entered, will pass through annealing process before zinc pot, interior annealing furnace is to ensure strip in high tender feeling
Condition is not oxidized, typically all pours and is protected by nitrogen, hydrogen mixed gas, and stove nose is that the key that annealing furnace is deep into zinc pot is set
It is standby, play to the sealed effect of annealing furnace.Strip directly gos deep into zinc pot completing zincincation after coming out from annealing furnace.In zinc pot
Temperature be up to 450 DEG C~600 DEG C, at this temperature, zinc liquid to form zinc fume in intranasal can evaporate of stove, and zinc fume is in stove nose
And condensation forms zinc gray near stove exit slewing rollers.In the intranasal portion of stove, because zinc liquid is in the space of a relative closure, because
This, supernatant zinc gray can adhere to the zinc gray print defect such as belt steel surface formation strip informal voucher；Zinc gray is solidifying in stove cooling section
Tie section blower fan extraction that can be cooled to be attached on cooler, cause a large amount of zinc grays bondings of cooler to decline cooling effectiveness.At present,
Present industrial expansion increasingly to improve the surface quality requirements of galvanized sheet, and the galvanized sheet requirement of such as automobile exterior panel reaches
Naked eyes can not tell defect, thus zinc gray print, etc. defect can have a strong impact on the surface quality of strip, and zinc gray condenses in cooling
The problem of energy consumption rise and stove cooling capacity deficiency can be caused on section cooler and promotes production line reduction of speed.
In order to reduce the influence of the zinc gray in stove nose, present widespread practice is to increase number of times and the time of maintenance down,
This method wastes time and energy but effect is bad；And for falling the zinc gray on zinc liquid surface, will generally be fallen in stove using zinc liquid pump at present
The zinc gray for not floating on surface in nose is extracted into outside stove nose, and this method can only release the zinc gray fallen in zinc liquid level, so
The zinc gray defect of strip can not thoroughly be avoided.
Utility model content
In order to overcome the defect of prior art to be produced there is provided a kind of simple in construction, easy for installation, reduction labor intensity, raising
The galvanizing auxiliary equipment of quality, the utility model discloses a kind of zinc gray filter for galvanizing.
The utility model reaches goal of the invention by following technical solution：
A kind of zinc gray filter for galvanizing, including stove nose, it is characterized in that：Also include taking out zinc pipe road, defeated zinc pipe
Road and filter, take out inner chamber of the delivery port in zinc pipe road pump orifice and defeated zinc pipe road all with the connection of stove nose and all with stove nose and pass through
It is logical, the delivery port in zinc pipe road pump orifice and defeated zinc pipe road is taken out all located at the top of the intranasal zinc liquid liquid level of stove, takes out row's zinc in zinc pipe road
Mouthful and defeated zinc pipe road enter series filtration unit between zinc mouthful；
Filter includes preceding stop valve, rear stop valve, preceding heat exchanger, rear heat exchanger, coarse filter, refined filtration equipment and wind
Machine, preceding stop valve, preceding heat exchanger, coarse filter, refined filtration equipment, blower fan, rear heat exchanger and rear stop valve are sequentially connected in series；
Refined filtration equipment is mutually in parallel by least two refined filtration branch roads and constituted, butterfly valve before every refined filtration branch route, fine filter and
Butterfly valve is followed in series to form afterwards.
The described zinc gray filter for galvanizing, it is characterized in that：The filter opening aperture of coarse filter is not more than 1mm, essence
The filter opening aperture of filter is not more than 0.15mm.
The described zinc gray filter for galvanizing, it is characterized in that：Filter also includes dew point hygrometer, dew point hygrometer string
It is associated between rear stop valve and rear heat exchanger.
The application method of the described zinc gray filter for galvanizing, it is characterized in that：Implement successively as follows：
A. prepare：It is provided with after stove nose in annealing furnace, annealing furnace and is provided with upper slewing rollers, stove nose has in zinc pot, zinc pot and filled
Zinc liquid is noted, the bottom of stove nose is submerged below zinc liquid liquid level, be provided with above lower slewing rollers, lower slewing rollers and be sequentially provided with down in zinc liquid
Stabilizing roller and upper stabilizing roller, strip in annealing furnace through upper slewing rollers turn to after be delivered to stove nose, from stove it is intranasal submerge zinc pot
Turned under zinc liquid liquid level and through lower slewing rollers, zinc pot is sent out in the conveying of lower stabilizing roller and the conveying of upper stabilizing roller, wherein lower stabilizing roller and
Upper stabilizing roller is respectively arranged on the both sides of strip；
B. aspirate：Start blower fan, blower fan is to defeated zinc duct orientation air blast, and stove nose is aspirated by taking out zinc pipe road out of zinc pot
Zinc fume, zinc fume is from stove nose through taking out zinc pipe road input filter；
C. cool：The premenstrual heat exchanger of zinc fume is cooled to not higher than 100 DEG C；Because the temperature of the intranasal zinc fume of stove is high
Up to 500 DEG C, for influence of the reduction temperature to zinc gray filter element and promote zinc gray to condense as early as possible, set taking out on zinc pipe road
One preceding heat exchanger, for cooling down zinc fume, can not only make zinc gray condense rapidly and be collected, and make whole zinc gray filtering dress
Put and be operated in one than relatively low temperature range；
D. filter：Zinc fume is successively through coarse filter coarse filtration and refined filtration equipment refined filtration；Coarse filter and refined filtration equipment are respectively used to
Filter particle larger（Particle diameter is not less than 1mm）Particle diameter is smaller（Particle diameter is not more than 0.5mm）Zinc gray, coarse filter has storage zinc gray concurrently
Effect, manual cleaning during Awaiting Overhaul；
E. heat up：Zinc fume heat exchanger after is heated to being not less than 450 DEG C；Zinc fume after the filtering heat exchanger after adds
Loopback again after heat, it is to avoid because of the intranasal temperature of the too low influence stove of the zinc fume temperature of loopback and then influence galvanizing process；
F. loopback：Zinc fume is recycled to stove nose through defeated zinc pipe road, so far by stove nose, take out zinc pipe road, filter and defeated zinc
Pipeline constitutes complete filtration circuit；
G. overhaul：When the inlet outlet pressure differential for having a refined filtration branch road in refined filtration equipment exceedes setting value, this essence is closed
The preceding butterfly valve and rear butterfly valve on branch road are filtered, this refined filtration branch road is exited and opens this essence after the completion of filtration circuit, Awaiting Overhaul again
The preceding butterfly valve and rear butterfly valve on branch road are filtered, this refined filtration branch road is put into filtration circuit；Refined filtration branch road is provided with a plurality of, such as certain essence
Filter branch road needs repairing, and can temporarily exit filtration circuit without influenceing the operation of whole filtration circuit, it is clear that collection is not shut down in realization
Manage zinc gray；
When the dew point in filtration circuit exceedes setting value, preceding stop valve and rear stop valve are closed, filtration circuit is cut off, treats
When dew point is returned to below setting value, then preceding stop valve and rear stop valve are opened, open filtration circuit；Stove is intranasal due to temperature ratio
Higher, general dew point is at -40 DEG C or so.The intranasal portion's filling nitrogen hydrogen protective gas of stove, stove nose or pipeline seal bad can cause outside
Boundary's air is mixed into, so that the intranasal wall oxygen content increase of stove, causes band steel oxidation to make strip coating adhesive force not enough, and is sealed not
Good direct performance is that dew point can be caused to rise, and when dew point exceedes setting value, cut-out filtration circuit implements maintenance, and without stopping
The only operation of galvanized machine, filtration circuit is opened put into operation again after the completion of maintenance.
The application method of the described zinc gray filter for galvanizing, it is characterized in that：Step f is overhauled, and passes through dew point
Instrument judges whether the dew point in filtration circuit exceedes setting value；Dew point is monitored by dew point hygrometer, once dew point is more than setting value
Alarm, with monitoring is accurate, timely advantage of alarming.
The intranasal zinc fume of stove effectively can be extracted out and filter out zinc gray by the utility model will be transmitted back to stove again
In nose, it is possible to very easily collect zinc gray, failure and defect that zinc gray is caused are reduced, strip zinc is greatly lowered
Grey defect simultaneously significantly extends the stove cooling section cooler time between overhauls(TBO), reduces stove maintenance workload, and environmental protection is risen
To positive effect, with higher economic benefit and social benefit.
The beneficial effects of the utility model are：It is simple in construction, it is easy for installation, labor intensity is reduced, product quality is improved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of filter in the utility model.
Embodiment
The utility model is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of zinc gray filter for galvanizing, including stove nose 11, take out zinc pipe road 21, defeated zinc pipe road 22 and filtering dress
3 are put, as depicted in figs. 1 and 2, concrete structure is：
The delivery port for taking out the pump orifice of zinc pipe road 21 and defeated zinc pipe road 22 is all connected and the inner chamber all with stove nose 11 with stove nose 11
Insertion, takes out the delivery port in the pump orifice of zinc pipe road 21 and defeated zinc pipe road 22 all located at the top of zinc liquid liquid level in stove nose 11, takes out zinc pipe
The row zinc mouthful in road 21 and defeated zinc pipe road 22 enter series filtration unit 3 between zinc mouthful；
Filter 3 includes preceding stop valve 31, rear stop valve 32, preceding heat exchanger 33, rear heat exchanger 34, coarse filter 35, essence
Filter equipment 36, blower fan 37 and dew point hygrometer 38, preceding stop valve 31, preceding heat exchanger 33, coarse filter 35, refined filtration equipment 36, blower fan 37, after
Heat exchanger 34, dew point hygrometer 38 and rear stop valve 32 are sequentially connected in series；
Refined filtration equipment 36 is mutually in parallel by least two refined filtration branch roads 4 and constituted, and every refined filtration branch road 4 is by preceding butterfly valve 41, essence
Filter 43 and rear butterfly valve 42 are followed in series to form.
In the present embodiment：The filter opening aperture of coarse filter 35 is not more than 1mm, and the filter opening aperture of fine filter 43 is not more than
0.15mm。
The present embodiment in use, implement successively as follows：
A. prepare：As shown in Figure 1：It is provided with after stove nose 11 in annealing furnace 12, annealing furnace 12 and is provided with upper slewing rollers 13, stove nose
11 have perfusion zinc liquid 18 in zinc pot 17, zinc pot 17, and the bottom of stove nose 11 is submerged below the liquid level of zinc liquid 18, is provided with zinc liquid 18
Lower slewing rollers 14, the top of lower slewing rollers 14 is sequentially provided with lower stabilizing roller 15 and upper stabilizing roller 16, and strip 19 is in annealing furnace 12
Stove nose 11 is delivered to after being turned to through upper slewing rollers 13, is submerged out of stove nose 11 under the liquid level of zinc liquid 18 of zinc pot 17 and through lower slewing rollers
15 are turned to, lower stabilizing roller 15 is conveyed and zinc pot 17 is sent out in the conveying of upper stabilizing roller 16, wherein 16 points of lower stabilizing roller 15 and upper stabilizing roller
Not She Yu strip 19 both sides；
B. aspirate：Start blower fan 37, blower fan 37 to the defeated direction air blast of zinc pipe road 22, stove nose 11 by take out zinc pipe road 21 from
Suction zinc fume in zinc pot, zinc fume is from stove nose 11 through taking out the input of zinc pipe road 21 filter 3；
C. cool：The premenstrual heat exchanger 33 of zinc fume is cooled to not higher than 100 DEG C；Due to the temperature of the zinc fume in stove nose 11
Degree is up to 500 DEG C, and the influence for reduction temperature to zinc gray filter element simultaneously promotes zinc gray to condense as early as possible, is taking out zinc pipe road 21
One preceding heat exchanger 33 of upper setting, for cooling down zinc fume, can not only make zinc gray condense rapidly and be collected, and make whole zinc
Grey filter is operated in one than relatively low temperature range；
D. filter：Zinc fume is successively through the coarse filtration of coarse filter 35 and the refined filtration of refined filtration equipment 36；Coarse filter 35 and refined filtration equipment 36
It is respectively used to filtering particle larger（Particle diameter is not less than 1mm）Particle diameter is smaller（Particle diameter is not more than 0.5mm）Zinc gray, coarse filter 35 is simultaneous
Play the role of to store zinc gray, manual cleaning during Awaiting Overhaul；
E. heat up：Zinc fume heat exchanger 34 after is heated to being not less than 450 DEG C；Zinc fume after the filtering heat exchanger after
Loopback again after heating, it is to avoid because of the intranasal temperature of the too low influence stove of the zinc fume temperature of loopback and then influence galvanizing process；
F. loopback：Zinc fume is recycled to stove nose 11 through defeated zinc pipe road 22, so far by stove nose 11, take out zinc pipe road 21, filtering fill
Put 3 and defeated zinc pipe road 22 constitute complete filtration circuit 2；
G. overhaul：When the inlet outlet pressure differential for having a refined filtration branch road 4 in refined filtration equipment 36 exceedes setting value, this is closed
Preceding butterfly valve 41 and rear butterfly valve 42 on bar refined filtration branch road 4, make this refined filtration branch road 4 exit after the completion of filtration circuit 2, Awaiting Overhaul again
The preceding butterfly valve 41 and rear butterfly valve 42 on this refined filtration branch road 4 are opened, this refined filtration branch road 4 is put into filtration circuit 2；Refined filtration branch road
4 are provided with a plurality of, and such as certain refined filtration branch road needs repairing, and can temporarily exit filtration circuit without influenceing the fortune of whole filtration circuit 2
OK, realize and do not shut down collection cleaning zinc gray；
Dew point is monitored by dew point hygrometer 38, with accurate, timely advantage of alarming is monitored, when dew point hygrometer 38 monitors filtering
Dew point in loop 2 is alarmed when exceeding setting value, closes preceding stop valve 31 and rear stop valve 32, is cut off filtration circuit 2, is waited to reveal
When point is returned to below setting value, then preceding stop valve 31 and rear stop valve 32 are opened, open filtration circuit；Due to temperature in stove nose 11
Degree is higher, and general dew point is at -40 DEG C or so.The inside of stove nose 11 filling nitrogen hydrogen protective gas, stove nose 11 or pipeline sealing are bad
Outside air can be caused to be mixed into, so that the increase of the inwall oxygen content of stove nose 11, causes band steel oxidation to make strip coating adhesive force not
Foot, and it is that dew point can be caused to rise to seal bad direct performance, when dew point exceedes setting value, cut-out filtration circuit 2 is implemented
Maintenance, and without stopping the operation of galvanized machine, filtration circuit 2 is opened again after the completion of maintenance and put into operation.
Claims (3)
1. a kind of zinc gray filter for galvanizing, including stove nose (11), it is characterized in that：Also include take out zinc pipe road (21),
Defeated zinc pipe road (22) and filter (3), take out the delivery port in zinc pipe road (21) pump orifice and defeated zinc pipe road (22) all with stove nose
(11) connection and the inner chamber insertion all with stove nose (11), the delivery port for taking out zinc pipe road (21) pump orifice and defeated zinc pipe road (22) are all set
In the top of the interior zinc liquid liquid level of stove nose (11), the row's zinc mouthful and defeated zinc pipe road (22) for taking out zinc pipe road (21) enter series connection between zinc mouthful
Filter (3)；
Filter (3) includes preceding stop valve (31), rear stop valve (32), preceding heat exchanger (33), rear heat exchanger (34), coarse filter
(35), refined filtration equipment (36) and blower fan (37), preceding stop valve (31), preceding heat exchanger (33), coarse filter (35), refined filtration equipment
(36), blower fan (37), rear heat exchanger (34) and rear stop valve (32) are sequentially connected in series；
Refined filtration equipment (36) is mutually in parallel by least two refined filtration branch roads (4) and constituted, and every refined filtration branch road (4) is by preceding butterfly valve
(41), fine filter (43) and rear butterfly valve (42) are followed in series to form.
2. it is used for the zinc gray filter of galvanizing as claimed in claim 1, it is characterized in that：The filter opening aperture of coarse filter (35)
No more than 1mm, the filter opening aperture of fine filter (43) is not more than 0.15mm.
3. it is used for the zinc gray filter of galvanizing as claimed in claim 1 or 2, it is characterized in that：Filter (3) also includes
Dew point hygrometer (38), dew point hygrometer (20) is connected between rear stop valve (32) and rear heat exchanger (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487453.2U CN206486583U (en) | 2016-12-31 | 2016-12-31 | Zinc gray filter for galvanizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487453.2U CN206486583U (en) | 2016-12-31 | 2016-12-31 | Zinc gray filter for galvanizing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206486583U true CN206486583U (en) | 2017-09-12 |
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ID=59771047
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621487453.2U Active CN206486583U (en) | 2016-12-31 | 2016-12-31 | Zinc gray filter for galvanizing |
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| Country | Link |
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| CN (1) | CN206486583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195883A (en) * | 2018-03-30 | 2018-06-22 | 长沙格力暖通制冷设备有限公司 | A kind of dew point online test method and device |
-
2016
- 2016-12-31 CN CN201621487453.2U patent/CN206486583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195883A (en) * | 2018-03-30 | 2018-06-22 | 长沙格力暖通制冷设备有限公司 | A kind of dew point online test method and device |
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