CN106995876B - A kind of annealing furnace humidifier pipe-line system and its operating method - Google Patents
A kind of annealing furnace humidifier pipe-line system and its operating method Download PDFInfo
- Publication number
- CN106995876B CN106995876B CN201710383564.1A CN201710383564A CN106995876B CN 106995876 B CN106995876 B CN 106995876B CN 201710383564 A CN201710383564 A CN 201710383564A CN 106995876 B CN106995876 B CN 106995876B
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- humidifier
- air outlet
- pipe
- outlet pipe
- tank body
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
Abstract
The invention discloses a kind of annealing furnace humidifier pipe-line system and its operating method, including nitrogen inlet duct, regulation pipe, humidifier tank body, humidifier heating unit and air outlet pipe.Nitrogen inlet duct is connected with humidifier tank body, and regulation pipe is connected by connecting tube with external mixed gas station.Humidifier heating unit is arranged at the lower end of humidifier tank body, and air outlet pipe is installed in the upper end of humidifier tank body, and is equipped with electric heater unit and insulating layer successively outside air outlet pipe.Wherein, air outlet pipe uses inclined design, and the low side of air outlet pipe is equipped with standpipe.This invention ensures that the nitrogen after humidification can be entered in annealing furnace by setting value stabilization, and the electric heater unit and insulating layer being equipped with successively outside air outlet pipe, reduce liquid water generation in humidification gas piping as far as possible, avoid the uncontrolled situation of adjusting to dew point in stove, air outlet pipe uses inclined design, and the low side of air outlet pipe is equipped with standpipe, for storing and discharging the liquid condensed in air outlet pipe.
Description
Technical field
The present invention relates to a kind of annealing furnace humidifier pipe-line system and its operating method.
Background technology
For the humidifier of dew point in annealing furnace regulating stove, 1 section of heating, heating 2 sections, stove are injected separately into by three humidifiers
Three regions of nose, by adjusting the nitrogen amount by humidifier, to meet production different cultivars product to each section in stove not
Same dew point demand.The inlet, outlet pipeline, valve, flow detection that its pipe-line system includes nitrogen hydrogen into and out of humidifier fill
Put, volume control device, dry nitrogen hydrogen adjust pipeline and valve, desalted water injection, spraying and discharge pipe etc..
But there are problem for above-mentioned pipe-line system：
1st, send the pressure to the nitrogen hydrogen mixeding gas of humidifier relatively low from nitrogen and hydrogen hybrid station, after humidification,
Import and there is " blocking " phenomenon when nitrogen hydrogen enters boiler tube road, humidification gas cannot enter in stove according to setting flow, Wu Fashi
The purpose of dew point in existing regulating stove；
2nd, it is horizontal, vertical disposition to go out the pipeline of humidifier entering stokehold, all pipelines, and without heating system,
Since air delivering pipeline length is longer, spray water is easily condensed into liquid water in pipeline, causes to adjust dew point in stove uncontrolled.
The content of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of annealing furnace humidifier pipe-line system and its operation side
Method, ensure that the nitrogen after humidification can be entered in annealing furnace by setting value stabilization, and the electricity being equipped with successively outside air outlet pipe
Heating unit and insulating layer, reduce liquid water generation in humidification gas piping, avoid the adjusting to dew point in stove as far as possible
Uncontrolled situation, the air outlet pipe uses inclined design, and the low side of the air outlet pipe is equipped with standpipe, for storing and arranging
Release the liquid condensed in tracheae.
To achieve the above object, technical solution provided by the present invention is：
A kind of annealing furnace humidifier pipe-line system, including the heating of nitrogen inlet duct, regulation pipe, humidifier tank body, humidifier
Device and air outlet pipe.The nitrogen inlet duct is connected with the lower end of the humidifier tank body, and the nitrogen inlet duct is equipped with and adjusts
Valve is saved, the regulation pipe is connected by connecting tube with external mixed gas station, and the connecting tube is equipped with regulating valve.The humidification
Device heating unit is arranged at the lower end of humidifier tank body, and the air outlet pipe is installed in the upper end of humidifier tank body, and the outlet
The outer electric heater unit and insulating layer being equipped with successively of pipe.Wherein, the air outlet pipe uses inclined design, and the air outlet pipe is low
End is equipped with standpipe, and for storing and discharging the liquid condensed in air outlet pipe, and the standpipe is equipped with regulating valve.
Preferably, the humidifier tank body is equipped with liquid level detector and pressure detector.
Preferably, the regulation pipe is equipped with nitrogen flow detection device and manual modulation valve.
Preferably, the end of the air outlet pipe is connected with humidification air flow detecting device and humidifier flow control dress in turn
Put.
Preferably, the air outlet pipe is inclined upwardly design from connection one end of humidifier tank body, and the standpipe is arranged on
The low side of air outlet pipe at the close humidifier tank body.
Preferably, the angle of inclination of the air outlet pipe is 10~15 °.
Preferably, gas is humidified using desalted water in the humidifier tank body, and is set in the humidifier tank body
There is spraying device.
Preferably, the humidifier tank body is equipped with desalted water filling pipe, and desalted water filling pipe is equipped with water compensating valve.
Preferably, the air outlet pipe is equipped with air outlet valve.
A kind of operating method of annealing furnace humidifier pipe-line system, it includes the following steps：
A, the regulating valve in the connecting tube of external mixed gas station, the regulating valve on manual unlocking nitrogen inlet duct, hand are opened
The dynamic humidifier volume control device opened in air outlet pipe is to 100%；
B, the regulating valve opened on nitrogen inlet duct opens half, and the regulating valve opened on standpipe carries out draining；
C, humidifier volume control device is closed, reverts to auto state；
D, the manual modulation valve in manual unlocking regulation pipe, and observe the nitrogen flow detection device set in regulation pipe
Show value, show value 8m3Stop adjusting manual modulation valve after/h；
E, the regulating valve on nitrogen inlet duct is changed to auto state；
F, the water compensating valve that the air outlet valve in air outlet pipe and humidifier tank body are equipped with is opened；
G, start humidifier tank body nitrogen is completed to humidify；
H, after nitrogen humidification, humidifier tank body is closed, simultaneously closes off the adjusting in the connecting tube of external mixed gas station
Valve, close the regulating valve on nitrogen inlet duct, the manual modulation valve on air outlet valve and regulation pipe in air outlet pipe.
Beneficial effects of the present invention are：
1st, the newly-increased nitrogen inlet duct of the present invention can be adjusted individually into nitrogen pressure size in humidifier tank body, and then is ensured
Nitrogen after humidification being capable of entering in annealing furnace by setting value stabilization.
2nd, the electric heater unit and insulating layer being equipped with successively outside the air outlet pipe, reduces in humidification gas piping as far as possible
Liquid water generates, and avoids the uncontrolled situation of adjusting to dew point in stove.
3rd, the air outlet pipe uses inclined design, and the low side of the air outlet pipe is equipped with standpipe, for storing and discharging
The liquid condensed in air outlet pipe, and the standpipe is equipped with regulating valve, the liquid water for using tracheal strips condensation accumulates in standpipe
In, then periodically discharged by plant maintenance personnel.
Below in conjunction with the accompanying drawings with embodiment, the present invention is further described.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of annealing furnace humidifier pipe-line system of the present invention.
The reference numerals are as follows in figure.
Nitrogen inlet duct -1, regulation pipe -2, humidifier tank body -3, humidifier heating unit -4, air outlet pipe -5, regulating valve -
6th, standpipe -7, liquid level detector -8, pressure detector -9, nitrogen flow detection device -10, manual modulation valve -11, humidifier
Flow detector -12, humidifier volume control device -13, spraying device -14, desalted water filling pipe -15, moisturizing
Valve -16, air outlet valve -17.
Embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is coordinated to be explained in detail.
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig. 1, a kind of annealing furnace humidifier pipe-line system, including nitrogen inlet duct 1, regulation pipe 2, humidifier tank body
3rd, humidifier heating unit 4 and air outlet pipe 5.The nitrogen inlet duct 1 is connected with the lower end of the humidifier tank body 3, the tune
Section pipe 2 is connected by connecting tube with external gas mixed gas station, and the connecting tube is equipped with regulating valve 6, due to increasing nitrogen newly
Air inlet pipe 1 can be adjusted individually into the nitrogen pressure size in humidifier tank body 3, and then ensure that the gas after humidification can
By entering in annealing furnace for setting value stabilization, and the nitrogen inlet duct 1 is equipped with regulating valve 6, can control the air inflow of nitrogen.
The humidifier heating unit 4 is arranged at the lower end of humidifier tank body 3, and the air outlet pipe 5 is installed in the upper of humidifier tank body 3
End, and connected with the regulation pipe 2, and the electric heater unit and insulating layer being equipped with successively outside the air outlet pipe 5, reduce as far as possible
Humidify liquid water generation in gas piping.Wherein, the air outlet pipe 5 uses inclined design, and the low side of the air outlet pipe 5 is equipped with
Standpipe 7, for storing and discharging the liquid condensed in air outlet pipe 5, and the standpipe 7 is equipped with regulating valve 6, makes air outlet pipe 5
The liquid water of interior condensation is accumulated in standpipe 7, then is periodically discharged by plant maintenance personnel.
In the present embodiment, the regulation pipe 2 is equipped with nitrogen flow detection device 10 and manual modulation valve 11, for examining
Survey and control the air inflow size of nitrogen.
Further, the humidifier tank body 3 is equipped with liquid level detector 8 and pressure detector 9.
Further, the end of the air outlet pipe 5 is connected with humidification air flow detecting device 12 and humidification throughput in turn
Control device 13, for detecting the uninterrupted of mixed gas after humidification in air outlet pipe 5, and passes through humidifier volume control device
13 controls enter the humidification gas in annealing furnace.
In the present embodiment, the air outlet pipe 5 is inclined upwardly design, and the storage from connection one end of humidifier tank body 3
Water pipe 7 is arranged on the low side of the air outlet pipe 5 at the close humidifier tank body 3, wherein, the angle of inclination of the air outlet pipe 5 is 10
~15 °, only in this, as preferred embodiment in the present embodiment, but it is not limited to above-mentioned range of tilt angles.
Further, gas is humidified using desalted water in the humidifier tank body 3, and the humidifier tank body 3
It is interior to be equipped with spraying device 14, liquid is sprayed by spraying device 14 when nitrogen is by humidifier tank body 3 and completes to humidify nitrogen.
The humidifier tank body 3 is equipped with desalted water filling pipe 15, and desalted water filling pipe 15 is equipped with water compensating valve 16.
In the present embodiment, the air outlet pipe 5 is equipped with air outlet valve 17.
A kind of operating method of annealing furnace humidifier pipe-line system, it includes the following steps：
A, the regulating valve 6 in the connecting tube of external mixed gas station is opened, the regulating valve 6 on manual unlocking nitrogen inlet duct 1,
Humidifier volume control device 13 to 100% in manual unlocking air outlet pipe 5；
B, the regulating valve 6 opened on nitrogen inlet duct 1 opens half, and the regulating valve 6 opened on standpipe 7 carries out draining；
C, humidifier volume control device 13 is closed, reverts to auto state；
D, the manual modulation valve 11 in manual unlocking regulation pipe 2, and observe the nitrogen stream amount detection device set in regulation pipe 2
Put 10 show value, show value 8m3Stop adjusting manual modulation valve 11 after/h；
E, the regulating valve 6 on nitrogen inlet duct 1 is changed to auto state；
F, the water compensating valve 16 that the air outlet valve 17 in air outlet pipe 5 and humidifier tank body 3 are equipped with is opened；
G, start humidifier tank body 3 nitrogen is completed to humidify；
H, after nitrogen humidification, humidifier tank body 3 is closed, simultaneously closes off the adjusting in the connecting tube of external mixed gas station
Valve 6, close the regulating valve 6 on nitrogen inlet duct 1, the manual modulation valve 11 on air outlet valve 17 and regulation pipe 2 in air outlet pipe 5.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula make a change and modification.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, do not limit the present invention in any way, using with its
The same or similar other devices, all fall in the scope of protection of the present invention.
Claims (10)
- A kind of 1. annealing furnace humidifier pipe-line system, it is characterised in that：Including nitrogen inlet duct (1), regulation pipe (2), humidifier Under tank body (3), humidifier heating unit (4) and air outlet pipe (5), the nitrogen inlet duct (1) and the humidifier tank body (3) End connection, and the nitrogen inlet duct (1) is equipped with regulating valve (6), the regulation pipe (2) passes through connecting tube and external gaseous mixture Body station connects, and the connecting tube is equipped with regulating valve (6), and the humidifier heating unit (4) is arranged at humidifier tank body (3) Lower end, the air outlet pipe (5) is installed in the upper end of humidifier tank body (3), and the air outlet pipe (5) is equipped with electrical heating and fills successively outside Put and insulating layer, wherein, the air outlet pipe (5) uses inclined design, and the low side of the air outlet pipe (5) is equipped with standpipe (7), For storing and discharging the liquid of condensation in air outlet pipe (5), and the standpipe (7) is equipped with regulating valve (6).
- A kind of 2. annealing furnace humidifier pipe-line system as claimed in claim 1, it is characterised in that：The humidifier tank body (3) It is equipped with liquid level detector (8) and pressure detector (9).
- A kind of 3. annealing furnace humidifier pipe-line system as claimed in claim 2, it is characterised in that：Set on the regulation pipe (2) There are nitrogen flow detection device (10) and manual modulation valve (11).
- A kind of 4. annealing furnace humidifier pipe-line system as claimed in claim 3, it is characterised in that：The end of the air outlet pipe (5) End is connected with humidification air flow detecting device (12) and humidifier volume control device (13) in turn.
- A kind of 5. annealing furnace humidifier pipe-line system as claimed in claim 4, it is characterised in that：The air outlet pipe (5) is from adding Connection one end of wet device tank body (3) is inclined upwardly design, and the standpipe (7) is arranged on close humidifier tank body (3) place Air outlet pipe (5) low side.
- A kind of 6. annealing furnace humidifier pipe-line system as claimed in claim 5, it is characterised in that：Air outlet pipe (5) incline Rake angle is 10~15 °.
- A kind of 7. annealing furnace humidifier pipe-line system as claimed in claim 6, it is characterised in that：The humidifier tank body (3) It is interior that gas is humidified using desalted water, and it is equipped with spraying device (14) in the humidifier tank body (3).
- A kind of 8. annealing furnace humidifier pipe-line system as claimed in claim 7, it is characterised in that：The humidifier tank body (3) Desalted water filling pipe (15) is equipped with, and desalted water filling pipe (15) is equipped with water compensating valve (16).
- A kind of 9. annealing furnace humidifier pipe-line system as claimed in claim 8, it is characterised in that：Set on the air outlet pipe (5) There is air outlet valve (17).
- A kind of 10. operating method of annealing furnace humidifier pipe-line system as claimed in claim 9, it is characterised in thatIt includes the following steps：A, the regulating valve (6) in the connecting tube of external mixed gas station, the regulating valve on manual unlocking nitrogen inlet duct (1) are opened (6), the humidifier volume control device (13) in manual unlocking air outlet pipe (5) is to 100%；B, the regulating valve (6) opened on nitrogen inlet duct (1) opens half, and the regulating valve (6) opened on standpipe (7) is arranged Water；C, humidifier volume control device (13) is closed, reverts to auto state；D, the manual modulation valve (11) in manual unlocking regulation pipe (2), and observe the nitrogen flow detection set in regulation pipe (2) The show value of device (10), show value 8m3Stop adjusting manual modulation valve (11) after/h；E, the regulating valve (6) on nitrogen inlet duct (1) is changed to auto state；F, the water compensating valve (16) that the air outlet valve (17) in air outlet pipe (5) and humidifier tank body (3) are equipped with is opened；G, start humidifier tank body (3) nitrogen is completed to humidify；H, after nitrogen humidification, humidifier tank body (3) is closed, simultaneously closes off the regulating valve in the connecting tube of external mixed gas station (6), the regulating valve (6) on nitrogen inlet duct (1), manual on air outlet valve (17) and regulation pipe (2) in air outlet pipe (5) is closed Regulating valve (11).
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| CN201710383564.1A CN106995876B (en) | 2017-05-26 | 2017-05-26 | A kind of annealing furnace humidifier pipe-line system and its operating method |
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| CN201710383564.1A CN106995876B (en) | 2017-05-26 | 2017-05-26 | A kind of annealing furnace humidifier pipe-line system and its operating method |
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| CN106995876A CN106995876A (en) | 2017-08-01 |
| CN106995876B true CN106995876B (en) | 2018-05-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110042336B (en) * | 2018-01-17 | 2021-02-19 | 宝山钢铁股份有限公司 | Nose nitrogen humidifying device of hot galvanizing furnace |
| CN109722516B (en) * | 2019-02-01 | 2020-07-17 | 北京钢研新冶工程设计有限公司 | Device and method for quickly regulating and controlling gas dew point in annealing furnace |
| CN110699526B (en) * | 2019-10-18 | 2021-07-09 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Operation method of nitrogen interlocking control system for hot galvanizing vertical annealing furnace upper and lower furnace pressure detection |
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