CN109778094A - A kind of humidifier for hot galvanizing furnace nose humidification - Google Patents
A kind of humidifier for hot galvanizing furnace nose humidification Download PDFInfo
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- CN109778094A CN109778094A CN201910257550.4A CN201910257550A CN109778094A CN 109778094 A CN109778094 A CN 109778094A CN 201910257550 A CN201910257550 A CN 201910257550A CN 109778094 A CN109778094 A CN 109778094A
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Abstract
The present invention relates to cold rolling production technical field, a kind of specifically humidifier for hot galvanizing furnace nose humidification, including admission gear, water tank and exhaust gear, the admission gear are connected with water tank, and the exhaust gear is connected with water tank;The admission gear includes main air inlet pipe road, and the main air inlet pipe road is connected by branch's admission line with water tank, and the main air inlet pipe road is connected with mixing duct, and the mixing duct extends to close to furnace nose side;The exhaust gear includes exhaust pipe, and described exhaust pipe one end is connected with water tank, and the other end is connected with mixing duct.The invention discloses a kind of humidifiers for hot galvanizing furnace nose humidification, zinc fume can be inhibited to condense to form zinc gray defect at furnace nose by the mixing nitrogen that dry nitrogen and wet nitrogen are mixed to form, and then avoid generating zinc gray defect at furnace nose.
Description
Technical field
The present invention relates to cold rolling production technical fields, and specifically a kind of humidification for hot galvanizing furnace nose humidification fills
It sets.
Background technique
Galvanization production line is widely used ameliorative Sendzimir law technology after cold rolling at present, it uses alkaline electrolysis
Defatting technology, after coil of strip enters production line, first progress thermokalite wash, be electrolysed and wash and rinse degreasing, afterwards drying, then by have nitrogen,
The annealing furnace of hydrogen protective gas preheated, heated, soaking recrystallization annealing, is finally entered in sealing by supercooling
Zinc pot sinking roller hot galvanizing, uniform and thickness of the zinc pot through air knife control coating out, then post-treated it is cooled to finished product.
Furnace nose is exactly the device that annealing furnace enters zinc pot, and zinc gray defect is mainly steamed by the zinc on the zinc liquid level in furnace nose
Air cooling is solidifying to be formed, and the floating zinc gray on furnace nose zinc liquid level causes belt steel surface zinc gray informal voucher, scuffing, even reveals the defects of iron, seriously
Influence the continuous production of galvanized sheet.The surface that sinking roller can be also adhered to by the zinc gray that strip brings zinc pot into, causes sinking roller
Roll marks.This is why the zinc gray defect often reason more serious than upper surface in strip lower surface after zinc pot out.If zinc gray
The rotary resistance increase for also resulting in three rollers between the axis and axle sleeve of sinking roller, stabilizing roller, correct roller is entered, is further aggravated
Sinking roller roll marks, the serious roll scratch and axle sleeve serious wear even worn out zinc gray defect of also resulting in is current product table
The main bottleneck of face Quality advance.Belt steel surface there are zinc gray defect carry out coating or spray painting after defect can be put on surface
Greatly.Due to the presence of zinc gray defect, keep hot dip zinc product more demanding from meeting car panel, home appliance panel Surface Quality
Product needs.The product zinc gray defect for producing great surface quality must be solved thoroughly.
Inhibit the main means of zinc gray to have at present: controlling the dew point in the region by humidifier, reduce the generation of zinc gray;People
Work taps furnace nose, and zinc gray is made to fall off;Shut down artificial purging furnace nose zinc gray.It is wherein traditional that dew point is controlled by humidifier,
Zinc fume is affected to dew point hygrometer, and control precision is not high, and the low effect of dew point control is unobvious, and dew point control is high to be produced
Raw oxidation, causes the adverse effects such as plating leakage, furthermore winter condensed water phenomenon is than more serious;It is artificial to tap furnace nose, and shut down people
Work purges furnace nose zinc gray, seriously affects normal production, and shorter between maintenance during normal production, at high cost and effect is unknown
It is aobvious.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide what a kind of reduction furnace nose zinc gray defect generated to add
Wet device.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of humidifier for hot galvanizing furnace nose humidification, including admission gear, water tank and exhaust gear, institute
It states admission gear to be connected with water tank, the exhaust gear is connected with water tank;The admission gear includes main air inlet pipe
Road, the main air inlet pipe road are connected by branch's admission line with water tank, and the main air inlet pipe road is connected with mixing duct,
The mixing duct extends to close to furnace nose side;Branch's admission line is in water storage far from the one end in main air inlet pipe road
Below jar liquid surface;The exhaust gear includes exhaust pipe, and described exhaust pipe one end is connected with water tank, the other end and mixed
Pipeline is closed to be connected;One end that the exhaust pipe is in inside water tank is in water tank ullage.
Branch's admission line is equipped with the first shut-off valve for controlling charge flow rate.
Measuring diaphragm is additionally provided on branch's admission line;The measuring diaphragm is arranged in the first shut-off valve and water tank
Between branch's admission line on.
The water tank is connected with water system, and the water system includes water inlet line, and the water inlet line is equipped with
Second shut-off valve and flow detector.
The water inlet line is equipped with pneumatic cut-off valve.
The first vapor heat exchanger is additionally provided on the water inlet line.
The electric heater for heating to water tank aqueous is equipped in the water tank.
The water tank is connected with temperature measuring equipment.
The mixing duct is equipped with the resistance heating tape for heating to gas in mixing duct.
The second vapor heat exchanger is additionally provided on the mixing duct.
The water tank is equipped with pressure relief mechanism, and the pressure relief mechanism includes relief pipeline, is equipped with and lets out on relief pipeline
Pressure valve.
The water tank is connected with circulation mechanism, and circulation mechanism includes water circulating pump and spray piping.
Dew-point detecting device is equipped with above the furnace nose.
The mixing duct is equipped with upper air pipeline and lower inlet duct road, the intake pipe close to one end of furnace nose
Road one end is connected with mixing duct, and the other end extends to above furnace nose;Lower inlet duct road one end and mixing duct phase
Connection, the other end extend to furnace underthe nose.
The present invention has the advantages that
The invention discloses a kind of humidifiers for hot galvanizing furnace nose humidification, are mixed by dry nitrogen and wet nitrogen
The mixing nitrogen of formation can inhibit zinc fume to condense to form zinc gray defect at furnace nose, then avoid generating zinc at furnace nose
Grey defect.
Detailed description of the invention
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described:
Fig. 1 is system structure diagram of the invention.
Fig. 2 is the system structure diagram after present invention optimization.
Label in above-mentioned figure is equal are as follows:
1, main air inlet pipe road shut-off valve, 2, water tank, 3, water-level gauge in parallel, 4, temperature measuring equipment, 5, electric heater, 6, draining
Shut-off valve, the 7, first vapor heat exchanger, the 8, second shut-off valve, 9, pneumatic cut-off valve, 10, water flow amount detecting device, 11, first sections
Only valve, 12, vortex-shedding meter, 13, relief valve, the 14, the 4th shut-off valve, 15, third shut-off valve, 16, pneumatic control valve, 17, gas
Body flow detector, 18, resistance heating tape, the 19, second vapor heat exchanger, 20, furnace nose, 21, condensed water outlet valve, 22, cold
Solidifying drain valve, 23, dew-point detecting device, 24, controller, 25, branch's admission line, 26, water circulating pump and spray piping, 27,
Main air inlet pipe road, 28, mixing duct.
Specific embodiment
A specific embodiment of the invention is made further detailed below against attached drawing by the description to optimum embodiment
Thin explanation.
A kind of humidifier for hot galvanizing furnace nose humidification, including admission gear, water tank 2 and exhaust gear,
The admission gear is connected with water tank 2, and the exhaust gear is connected with water tank 2;The admission gear include it is main into
Feed channel 27, the main air inlet pipe road 27 are connected by branch's admission line 25 with water tank 2, and the main air inlet pipe road 27 connects
It is connected to mixing duct 28, the mixing duct 28 extends to close to 20 side of furnace nose;Branch's admission line 25 is far from main
One end of admission line 27 is in below 2 liquid level of water tank;The exhaust gear includes exhaust pipe 28, the exhaust pipe 28
One end is connected with water tank 2, and the other end is connected with mixing duct 28;The exhaust pipe 28 is in inside water tank 2
One end is in 2 ullage of water tank;The invention discloses a kind of humidifiers humidified for hot galvanizing furnace nose 20, pass through
The mixing nitrogen that dry nitrogen and wet nitrogen are mixed to form can inhibit zinc fume to condense to form zinc gray defect at furnace nose 20, after
And avoid generating zinc gray defect at furnace nose 20, in actual use, because furnace nose 20 is obliquely installed, in reality
Mixing duct 28 is in the top of zinc liquid level and strip contact in use process, because zinc fume generation is due to zinc liquid level and band
It is generated after steel contact, can be to avoid zinc fume floating be inhibited so after mixing nitrogen purging by dry and wet, it then can be to avoid
Zinc fume overflow to generate zinc gray at furnace nose 20;Simultaneously as an optimization, main air inlet pipe road 27 is equipped with master in the present invention
27 shut-off valve 1 of admission line, it is therefore an objective to for controlling the on-off in main air inlet pipe road 27;This 27 shut-off valve 1 of main air inlet pipe road
It is a commonly used equipment, and hereinafter the first shut-off valve 11 can use identical valve body structure, because being used in different positions,
Different titles is used in order to distinguish, but these are well-known techniques, are clear technical solutions, and main air inlet pipe road 27 is arranged
The purpose of shut-off valve 1 is to facilitate subsequent maintenance for controlling entire pipeline air-inlet;Connect below water tank 2 in the present invention simultaneously
It is connected to drainage pipeline, discharge of the drainage pipeline for aqueous in water tank 2 is equipped with drain stop valve 6, setting on drainage pipeline
Discharge of the drainage pipeline for aqueous in water tank 2, guarantees subsequent maintenance and practical effect, reduces the shadow of extraneous factor
It rings;Simultaneously as an optimization, in order to control nitrogen content of the discharge of exhaust pipe 28, also there is the 4th cut-off on exhaust pipe 28
Valve 14, the 4th shut-off valve 14 can be using pneumatically here, and pneumatic can select pneumatic control valve 16, can also be using manual
, such as hand stop valve, it specifically can according to need and be configured.
Preferably, heretofore described branch's admission line 25 is equipped with the first cut-off for controlling charge flow rate
Valve 11;First shut-off valve 11 is first manual shut-off valve, can use pneumatic control valve 16;It is selected as needed in practice
It selects, structure disclosed by the invention passes through the setting of the first shut-off valve 11, can be used for controlling entering from branch's admission line 25 and store up
Nitrogen amount in water pot 2 guarantees the nitrogen amount entered in water tank 2 according to actual requirement, can more apply in practice well.
Simultaneously preferably, branch's admission line 25 is equipped with vortex-shedding meter 12, vortex-shedding meter 12 in the present invention
It is arranged after pneumatic control valve 16;The effect of vortex-shedding meter 12 is the nitrogen for entering water tank 2 from branch's air inlet pipe for measuring
Tolerance;Because the special nature of vortex-shedding meter 12 matches vortex-shedding meter 12 preferably with controller 24, can
To realize the autonomous control of 25 air inflow of branch's admission line;The more autonomous dry nitrogen of adjusting as needed enters water tank 2
In amount;Except of course that the setting of above structure, it is exactly in branch's air inlet that the present invention, which can also use another structure,
Measuring diaphragm is additionally provided on pipeline 25;Here measuring diaphragm is actually flow-measurement orifice board group part, belongs to well-known technique,
The measuring diaphragm is arranged on branch's admission line 25 between the first shut-off valve 11 and water tank 2;In the present invention branch into
Feed channel 25 is equipped with measuring diaphragm and the first shut-off valve 11;The measuring diaphragm is arranged after the first shut-off valve 11;Measured hole
The effect of plate is to adjust the stream of the aperture control measuring diaphragm of hand stop valve for measuring the dry nitrogen amount from branch's air inlet pipe
Amount.
Preferably, heretofore described water tank 2 is connected with water system, the water system includes water inlet pipe
Road, the water inlet line are equipped with the second shut-off valve 8 and flow detector;Here the second shut-off valve 8 can be with it is above-mentioned
The identical structure of first shut-off valve 11, the second shut-off valve 8 can be hand stop valve, be often to be in open in actual use
State is opened, the closing when needing to carry out system overhaul avoids water system from persistently supplying water to water tank 2;Simultaneously as bigger
Optimization;The water inlet line is equipped with pneumatic cut-off valve 9;The setting of pneumatic cut-off valve 9 may be implemented to water inlet line on-off
Control, while conveniently cooperating with control system, facilitate subsequent use;Reduce the use of manpower;Simultaneously as bigger optimization,
The present invention is additionally provided with flow detector on water inlet line, and flow detector is actually pipeline flow monitoring here
Instrument, in order to measure the aqueous amount entered in standpipe from water supply line, pipeline flow monitor is one and common sets
It is standby, it is not repeating here;Water system of the present invention is by the way that with the setting of upper-part and attached drawing structure, water system is used for water storage
Tank 2 carries out water supplying operation, plays the role of moisturizing, and the second shut-off valve 8, pneumatic cut-off valve 9 and flow are equipped on water inlet line
The control to water supply and water level may be implemented by the setting of pneumatic cut-off valve 9 and flow detector in detection device
System, it is convenient to be matched with control system.
Preferably, being additionally provided with the first vapor heat exchanger 7 on heretofore described water inlet line;First vapor heat exchanger
7, for carrying out heating operation to the aqueous entered in water tank 2, realize and preheat to moisturizing, guarantee the water entered in water tank 2
Liquid is preliminary heated aqueous, avoids newly having biggish temperature with aqueous in original water tank 2 into the aqueous in water tank 2
Difference reduces because the subsequent mixing nitrogen of aqueous temperature difference bring generates condensed water, influences inhibition of the present apparatus to zinc gray.
Preferably, being equipped with the electric heater 5 for heating to 2 aqueous of water tank in heretofore described water tank 2;
The setting of electric heater 5 is really heated to target temperature to crystal in water pot for carrying out heating operation to the aqueous in water tank 2
Degree;It is in order to enable the holding constant temperature of water tank 2, avoids because of ambient temperature variation etc. that aqueous in water tank 2, which carries out heating operation,
The influence of factor.
Preferably, heretofore described water tank 2 is connected with temperature measuring equipment 4, temperature measuring equipment 4 is also that an industry is normal
With component, belongs to well-known technique, Pt100 can be used in the present invention, naturally it is also possible to select other component;Specific setting root
It is selected according to actual requirement, is based on such content, the setting of temperature measuring equipment 4 of the present invention is for more intuitive observation
The water temperature of aqueous in water tank 2 can preferably be cooperated by the cooperation with control system with electric heater 5, so that
Aqueous temperature in water tank 2 maintains a reasonable section.
Preferably, heretofore described mixing duct 28 is equipped with the electricity for heating to gas in mixing duct 28
Hinder heating tape 18;Pipeline is kept the temperature, prevents gas in pipelines from condensing.
Preferably, heretofore described admission line is equipped with the second vapor heat exchanger 19;Mixed gas is carried out
Heating reduces the gas temperature difference in mixed gas and zinc nose.
Preferably, heretofore described water tank 2 is equipped with pressure relief mechanism, the pressure relief mechanism includes relief tube
Road is equipped with relief valve 13 on relief pipeline;By the setting of pressure relief mechanism, so that the internal pressure of water tank 2 is kept for one
Reasonable value range facilitates other subsequent operations.
Preferably, heretofore described water tank 2 is connected with circulation mechanism, circulation mechanism includes water circulating pump and spray
Shower pipe road;Water circulating pump is connected by spray piping with water tank 2, makes water vapor by water circulating pump, it is wet to improve atmosphere
The uniformity of profit state;The water of 2 bottom of water tank is drawn to 2 top of water tank and is sprayed by spray tube by water circulating pump and spray piping
Spray water out keeps gas partially aqueous amount in water tank 2 uniform.
The principle of the invention is to increase a kind of 20 humidifier of hot galvanizing furnace nose, the dress in galvanization production line zinc pot region
Set by water tank 2 and associated heat temperature and water-level control apparatus and refill flow detection, water circulating pump and spray piping, it is main into
Feed channel 27, branch's admission line 25 and mixing duct 28 and heating device, pipeline tracing device, dew-point detecting device 23,
The composition such as control device, control device can be PLC controller 24 here, be also possible to single-chip microcontroller, naturally it is also possible to be other
Host computer, in order to realize control function;Branch's admission line 25 is into working water level in water tank 2 hereinafter, water storage
2 exhaust pipe 28 of tank is discharged dry nitrogen by the wet nitrogen that humidification is formed, and mixes with the dry nitrogen in mixing duct 28, and
Heating injection 20 region of furnace nose, and then play the role of that zinc fume is inhibited to float, zinc gray on furnace nose 20 is lacked to realize
Sunken control.
Based on set forth above, it can be found that the object of the present invention is achieved like this: a kind of hot galvanizing furnace nose 20 humidifies
Device, including water tank 2 and associated heat and water-level control apparatus, flow detector, water circulating pump and spray piping, it is main into
Feed channel 27, branch's admission line 25 and mixing duct 28 and heating device, pipeline tracing device, dew-point detecting device 23,
The composition such as control device.
Dry nitrogen enters inside whole device by main air inlet pipe road 27, and a part enters storage by branch's admission line 25
2 ordinary water level of water pot is hereinafter, gas vent is partially arranged below 2 water level of water tank in the pipeline, 2 nitrogen flow of injection water tank
It is adjusted, is can be adjusted as firm discharge through the first shut-off valve 11, naturally it is also possible to by the setting of vortex-shedding meter 12,
So that being that can require to carry out from homophony according to controller 24 by the nitrogen flow that branch's admission line 25 enters in water tank 2
Section;2 water level of water tank is controlled automatically according to the water level high and low position of water-level gauge 3 in parallel simultaneously, low level moisturizing, and a high position stops mending
Water, water-level gauge 3 are in parallel directly visible with water tank 2;Water inlet line is heated by 7 level-one of the first vapor heat exchanger, in water tank 2
Using 5 reheating of electric heater, water temperature in water tank 2 is measured by temperature measuring equipment 4, closed-loop control electric heater 5, low temperature adds
Heat, high temperature stop heating, and 2 temperature of water tank is kept to stablize;8 He of the second shut-off valve is installed on the water inlet line that water tank 2 connects
Pneumatic cut-off valve 9, installation flow detector detect water flow, grasp the work water of water tank 2 in real time;The water tank 2 connects
It is connected to pressure relief mechanism, pressure is higher than setting value and automatically opens pressure release;Here temperature measuring equipment 4 belongs to conventional device, and temperature can be used
Sensor is spent, other temperature-measuring parts also can be used, because belonging to common components, which is not described herein again.
The water of 2 bottom of water tank is drawn to 2 top of water tank and sprays mist by spray tube by water circulating pump and spray piping 26
Shape water keeps gas partially aqueous amount in water tank 2 uniform.
Wet nitrogen after the humidification of water tank 2 mix with external dry nitrogen, the two mixing be in mixing duct 2828 it is interior or
In person's blending tank 31, because above-mentioned a part of dry nitrogen enters in branch's admission line 25 from main air inlet pipe road 27, subsequently enter
In water tank 2, another part enters in mixing duct 2828, and the nitrogen being discharged out of water tank 2 enters mixed from exhaust pipe 28
Pipeline 28 is closed perhaps in blending tank 31 to mix with the dry nitrogen in mixing duct 28 or blending tank 31, it is mixed
Dry and wet nitrogen is kept the temperature through resistance heating tape 18, then is heated through the second vapor heat exchanger 19, and 20 region of furnace nose is finally injected, thus
It achieves the object of the present invention;In the specific use process, the wet nitrogen before mixing can be adjusted through the 4th shut-off valve 14 it is subsequent into
Enter the wet nitrogen flow in mixing duct 28, for more accurate control charge flow rate, can also be added on exhaust pipe 28
One flow detector, flow detector belong to the prior art, it is therefore an objective to mix for detecting to enter from exhaust pipe 28
Wet nitrogen amount in tank 31 or mixing duct 28;And make the flow detector and dew point setting value and detection value difference closed loop
PI D control, the valve openings degre of the 4th shut-off valve 14 is reduced when Dew-point Measurement Value is higher than dew point setting value, makes wet nitrogen stream
Amount is reduced, and the valve openings degre of the 4th shut-off valve 14 increases when Dew-point Measurement Value is lower than dew point setting value, makes wet nitrogen flow
Increase, the 4th shut-off valve 14 is using can use pneumatic control valve 16 here, in order to match, realize with controller 24
The autonomous on-off of exhaust pipe 28 selects.
Dew-point Measurement Value compared with controlling value, is adjusted wet nitrogen pipeline regulating valve control flow and realizes dew point by controller 24
Closed-loop control;2 temperature of water tank, water level and rate of water make-up control;Nitrogen heating and temperature control after mixing;Controller 24 can be chosen
Correlation control unit mentioned above, in order to which the autonomous control for preferably guaranteeing whole device reduces the use of manpower.
As shown in the picture, controller 24 by the dry nitrogen of adjusting or/and is adjusted wet by Dew-point Measurement Value compared with controlling value
Nitrogen enters the dry and wet nitrogen amount at mixing or in blending tank 31, that is, makes the 4th shut-off valve 14 and third in the present invention
Shut-off valve 15 is connected with controller 24, detects obtained detected value compared with controlling value by dew-point detecting device 23, such as
Fruit detected value exceeds controlling value deviation range, is adjusted by the unlatching and closure of the 4th shut-off valve 14 of control and third shut-off valve 15
The mixed proportion of nitrogen and wet nitrogen is drained, to preferably achieve the object of the present invention;Entire dress is first adjusted when specifically used
The valve body structure set, enables valve body structure and 23 closed-loop control of controller 24 and dew-point detecting device;Guarantee water tank 2
Temperature, water level and rate of water make-up control;Nitrogen heating and temperature control after mixing;When 2 water level of water tank is normal, temperature is normal, electricity adds
Hot device 5 is working properly, and vapor heat exchanger is working properly, resistance heating tape 18 is working properly, and all kinds of valve locations are normal, general pipeline nitrogen
Atmospheric pressure is normal, and terms and conditions meets, the starting of 24 manual confirmation of controller;
After aforesaid operations, 27 shut-off valve 1 of main air inlet pipe road is automatically opened, dry nitrogen respectively enters branch's air inlet pipeline
In mixing duct 28, enter the dry nitrogen in water tank 2 by the control of the first shut-off valve 11 all the way, in addition all the way by entering
The mixing duct 28 being connected with main air inlet pipe road 27, dry nitrogen passes through to be detected through detection of gas flow rate device 17, gas flow
Detection device can actually be gas flowmeter, and main purpose is the flow of detection gas, belong to well-known technique;Pneumatically adjusted
Valve 16 and third shut-off valve 15 are saved to adjust the mixed traffic that dry nitrogen flow is mixed with wet nitrogen;In the present invention wet nitrogen and
The hybrid mode of dry nitrogen, which can according to need, to be configured, and wet flow can be made constant, changes dry nitrogen flow to realize
The mixing of dry and wet nitrogen changes wet nitrogen flow to change dry and wet nitrogen hybrid mode it is also possible that dry nitrogen flow is constant,
Changeable mode can also be used using dry nitrogen flow, wet nitrogen flow also realizes dry and wet nitrogen using changeable mode
The cooperation of gas;Specific implementation is that shut-off valve or regulating valve are controlled by controller 24 to change exhaust pipe 28 or mix
The nitrogen flow inside pipeline 28 is closed to realize above-mentioned purpose, and with Dew-point Measurement Value closed-loop control, accurate control furnace nose 20
Region dew point inhibits zinc gray.
Based on it is set forth above can will be apparent that know, dew-point detecting device 23 is equipped in the present invention above furnace nose 20,
Dew-point detecting device 23 is filtered by a set of, manually adjusts flow apparatus, aspiration pump composition, and model can select known device:
DMT143 can also select other equipment;To guarantee actual production requirement, dew point detection range is -80 ° to 20 ° of ﹢, specific root
It is selected according to actual requirement, sample position is in 20 middle upper portion region of furnace nose;This part is well-known technique, no longer superfluous here
It states.
Preferably, heretofore described mixing duct 28 is equipped with upper air pipeline 30 close to one end of furnace nose 20
With lower inlet duct road 29, described 30 one end of upper air pipeline is connected with mixing duct 28, and the other end extends on furnace nose 20
Side;Described 29 one end of lower inlet duct road is connected with mixing duct 28, and the other end extends to 20 lower section of furnace nose;Present invention mixing
There are two admission line, that is, upper air pipeline 30 and lower inlet duct road 29 above, upper air pipelines for the connection of pipeline 28
30 and above and below lower inlet duct road 29 is respectively on furnace nose 20, pass through the blowing operation of upper and lower two sides, Ke Yigeng
Good inhibition zinc gray is in the formation of about 20 two sides of furnace nose, more preferably arrival actual operation requirements;Do not considering to optimize structure
In the case of, a upper air pipeline 30 can be only arranged in the present invention, and specific set-up mode, which can according to need, to be configured;Certainly
In the present invention preferably, the 6th shut-off valve 301 is equipped in the present invention on upper air pipeline 30, in lower inlet duct road 29
It is equipped with the 5th shut-off valve 291, the 5th shut-off valve 291 and the 6th shut-off valve 301 are all known valve body structures, in upper air pipeline
30 and lower inlet duct road 29 on setting shut-off valve be for control from upper air pipeline 30 or lower inlet duct road 29 to furnace nose
The control of 20 air demand, while preferably, upper air pipeline 30 and lower inlet duct road 29 are connected with drain pipe, drain pipe
Upper includes the first drain pipe and the second drain pipe, and the first drain pipe is connected with upper air pipeline 30, the second drain pipe and under into
Feed channel 29 is connected, and the first condensed water outlet valve 22 is equipped on the first drain pipe, and it is cold that the second drain pipe is equipped with second
Solidifying drain valve 21, the setting of the first condensed water outlet valve 22 and the second condensed water outlet valve 21 can be used for controlling the discharge of condensed water
Amount.
Preferably, mixing duct 28 includes first pipe 281 and second pipe 282, first pipe 281 in the present invention
It is connected between first pipe 281 by blending tank 31,281 one end of first pipe is connected with main air inlet pipe road, the other end
It is connected with blending tank 31;The exhaust pipe 28 is connected by blending tank 31 with mixing duct 28, and blending tank 31 is passed through
Setting, so that exhaust pipe 28 and the connection of mixing duct 28 are more convenient, blending tank 31 is at least tool there are three being open, and
The tank structure of inner hollow, and three are open that one of them is connected with first pipe 281, one with second pipe 282
It is connected, another is connected with exhaust pipe 28, and three's structure as shown in the picture is connected with each other, and being set as blending tank 31 is dry
The mixing of nitrogen and wet nitrogen preferably provides place, preferably guarantees the uniformity of the two mixing, reduces exhaust pipe 28
It is easier to dry nitrogen occurs when being connected directly with mixing duct 28 to mix non-uniform problem with wet nitrogen.
It is equipped with the two flow detector in the present invention, one is the liquid flow amount detection device being arranged on water supply line
It sets, that is, the water flow amount detecting device said above, it is therefore an objective to for detecting the water supply that water supply line provides for water tank;?
It is marked in the present invention using label 8, another is detection of gas flow rate device, is for detecting each gas pipeline phase
The gas flow answered, gas flowmeter can be selected to replace, used here as label 17 mark, above simultaneously detection of gas flow rate
Device can according to need to be configured on arbitrary gas pipeline.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, it is within the scope of the present invention.
Claims (10)
1. a kind of humidifier for hot galvanizing furnace nose humidification, which is characterized in that including admission gear, water tank and row
Mechanism of qi structure, the admission gear are connected with water tank, and the exhaust gear is connected with water tank;The admission gear includes
Main air inlet pipe road, the main air inlet pipe road are connected by branch's admission line with water tank, and the main air inlet pipe road is connected with
Mixing duct, the mixing duct extend to close to furnace nose side;Branch's admission line far from main air inlet pipe road one
End is below water storage jar liquid surface;The exhaust gear includes exhaust pipe, and described exhaust pipe one end is connected with water tank,
The other end is connected with mixing duct;One end that the exhaust pipe is in inside water tank is in water tank ullage.
2. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that described point
Branch admission line is equipped with the first shut-off valve for controlling charge flow rate.
3. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that the storage
Water pot is connected with water system, and the water system includes water inlet line, and the water inlet line is equipped with the second shut-off valve and stream
Amount detecting device.
4. it is according to claim 3 it is a kind of for hot galvanizing furnace nose humidification humidifier, which is characterized in that it is described into
The first vapor heat exchanger is additionally provided on waterpipe.
5. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that the storage
The electric heater for heating to water tank aqueous is equipped in water pot.
6. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that described mixed
Pipeline is closed to be equipped with for the resistance heating tape to gas heating in mixing duct.
7. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that described mixed
It closes and is additionally provided with the second vapor heat exchanger on pipeline.
8. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that the storage
Water pot is connected with circulation mechanism, and circulation mechanism includes water circulating pump and spray piping.
9. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that the furnace
Dew-point detecting device is equipped with above nose.
10. a kind of humidifier for hot galvanizing furnace nose humidification according to claim 1, which is characterized in that described
Mixing duct close to one end of furnace nose be equipped with upper air pipeline and lower inlet duct road, upper air pipeline one end with mix
Pipeline is connected, and the other end extends to above furnace nose;Lower inlet duct road one end is connected with mixing duct, and the other end prolongs
Extend to furnace underthe nose.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910257550.4A CN109778094A (en) | 2019-04-01 | 2019-04-01 | A kind of humidifier for hot galvanizing furnace nose humidification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910257550.4A CN109778094A (en) | 2019-04-01 | 2019-04-01 | A kind of humidifier for hot galvanizing furnace nose humidification |
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CN110221641A (en) * | 2019-07-10 | 2019-09-10 | 上海友尹化工装备有限公司 | A kind of industrial nitrogen warming and humidifying system |
CN113063192A (en) * | 2021-04-06 | 2021-07-02 | 首钢京唐钢铁联合有限责任公司 | Humidifying device and humidifying method |
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CN201545901U (en) * | 2009-10-23 | 2010-08-11 | 宝山钢铁股份有限公司 | Humidifying device |
CN203700473U (en) * | 2013-12-11 | 2014-07-09 | 广东迪生电力钢构器材有限公司 | Zinc smoke absorbing device on hot-dip galvanizing production line |
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CN201545901U (en) * | 2009-10-23 | 2010-08-11 | 宝山钢铁股份有限公司 | Humidifying device |
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CN110221641A (en) * | 2019-07-10 | 2019-09-10 | 上海友尹化工装备有限公司 | A kind of industrial nitrogen warming and humidifying system |
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CN113063192A (en) * | 2021-04-06 | 2021-07-02 | 首钢京唐钢铁联合有限责任公司 | Humidifying device and humidifying method |
CN113063192B (en) * | 2021-04-06 | 2022-08-19 | 首钢京唐钢铁联合有限责任公司 | Humidifying device and humidifying method |
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