CN209602616U - A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater - Google Patents
A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater Download PDFInfo
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- CN209602616U CN209602616U CN201822115028.6U CN201822115028U CN209602616U CN 209602616 U CN209602616 U CN 209602616U CN 201822115028 U CN201822115028 U CN 201822115028U CN 209602616 U CN209602616 U CN 209602616U
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Abstract
The utility model relates to a kind of energy-efficient zinc-plated direct-injections to penetrate vertical heater, belong to metallurgy industry lvanized cold rolled strip production equipment technology.Technical solution is: it is vertical heater that direct-injection, which penetrates vertical heater, direct-injection penetrates the direction of travel of the strip in vertical heater as vertical direction from top to bottom, the two sides that direct-injection penetrates vertical heater are respectively equipped with multiple direct-combustion burners arranged up and down (18), and the flame vertical that the direct-combustion burner (18) generates is ejected into the surface of strip；The outlet that direct-injection penetrates vertical heater is equipped with slewing rollers four (16), iron scale collecting tank (4) and the side-blown burner (17) matched with strip, the side-blown burner (17) is arranged in strip close to the side of slewing rollers four (16), and the underface that direct-injection penetrates vertical outlet of still is arranged in iron scale collecting tank (4).The beneficial effects of the utility model are: heating efficiency is higher, the yin-yang face phenomenon and roller bear building-up tumor phenomenon of horizontal chamber furnace (oven) can be eliminated, and be convenient for the collection of iron scale.
Description
Technical field
The utility model relates to a kind of energy-efficient zinc-plated direct-injections to penetrate vertical heater, and it is raw to belong to metallurgy industry lvanized cold rolled strip
Produce equipment technical field.
Background technique
As society is to the performance of cold-reduced sheet and the increase of requirement for anticorrosion, the ratio of zinc-plated panel products is significantly increased, currently,
Galvanized sheet production generally by uncoiling, shearing, welding, (cleaning), entry loop, annealing, hot galvanizing, finishing straightening, at passivation
Reason, outlet looping, oiling and the series of processes such as batch, wherein heating anneal reduction is the key that determine properties of product.Adding
In thermal annealing process, annealing furnace provides the heat of strip heating, is the critical process section of control and the main work of energy consumption
Skill section.
Modern hot dip galvanizing process is mainly using U.S. steel connection method and improvement Sendzimir method, wherein improvement Sendzimir method uses
Horizontal heater, NOF sections of horizontal chamber furnace (oven) generally arrange side-blown burner using furnace body two sides, referring to attached drawing 2, the side of furnace body two sides arrangement
Blow burner one and side-blown burner two be respectively formed side-blown flame zone in strip, different flame divide into side-blown one area of flame,
2nd area and 3rd area, since flame flame envelope area temperature is higher, so in the middle part of strip and serious heating occurs in edge after superposition flame
Unevenly, further result in strip it is zinc-plated when there is spangle difference；And horizontal chamber furnace (oven) heating efficiency is low, and hot gas rising causes in furnace
Strip yin-yang face phenomenon and roller bear building-up tumor phenomenon；In addition, furnace internal oxidition iron sheet not easily collecting, especially strip upper surface iron oxide
After skin is involved in subsequent roller, the problems such as causing strip surface that defect is injured.In order to improve energy utilization rate, lifting plate band technique matter
Amount, improves design to existing equipment in the NOF section urgent need of horizontal chamber furnace (oven).
Utility model content
The purpose of the utility model is to provide a kind of energy-efficient zinc-plated direct-injections to penetrate vertical heater, can eliminate horizontal chamber furnace (oven)
Yin-yang face phenomenon and roller bear building-up tumor phenomenon, and it is convenient for the collection of iron scale, solve the problems, such as background technique.
The technical solution of the utility model is:
A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater, and it is vertical heater that direct-injection, which penetrates vertical heater, and direct-injection penetrates vertical heater
In the direction of travel of strip be vertical direction from top to bottom, the two sides that direct-injection penetrates vertical heater are respectively equipped with multiple arrangements up and down
Direct-combustion burner, the flame vertical that the direct-combustion burner generates is ejected into the surface of strip；The outlet that direct-injection penetrates vertical heater is equipped with
Slewing rollers four, iron scale collecting tank and the side-blown burner matched with strip, the side-blown burner setting is at close turn of strip
To the side of roller four, the underface that direct-injection penetrates vertical outlet of still is arranged in iron scale collecting tank.
The blowing direction of the side-blown burner penetrates the underface of vertical outlet of still towards direct-injection.
Also comprising preheating furnace, Horizental annealer, soaking pit, spray black furnace and furnace nose in composition, direct-injection penetrates vertical heater setting
Between preheating furnace and Horizental annealer, the setting of slewing rollers four is penetrated between vertical heater and Horizental annealer in direct-injection.
The preheating furnace, direct-injection penetrate vertical heater, Horizental annealer, soaking pit, spray black furnace and furnace nose by the traveling of strip
Direction is sequentially arranged, and constitutes cold-rolling galvanization production line.
The beneficial effects of the utility model are:
(1) relative to the side-blown burner of horizontal chamber furnace (oven), the direct-combustion burner that direct-injection penetrates vertical heater uses the heating side of open fire direct combustion
Formula, heating efficiency is higher, and heating effect is more uniform；
(2) strip in vertical straight injection vertical heater is advanced using vertical direction, and strip two sides environment is identical, can eliminate
The yin-yang face phenomenon and roller bear building-up tumor phenomenon of horizontal chamber furnace (oven)；
(3) flame vertical that the direct-combustion burner that direct-injection penetrates vertical heater generates is ejected into the surface of strip, passes through fuel gas flow
Part is blown off in conjunction with untight iron scale, brings better plate face effect for subsequent process flow；
(4) direct-injection penetrates the strip in vertical heater and advances in vertical direction, convenient for the setting of iron scale collecting tank, Er Qietong
Iron scale in strip can be blown off by crossing the side-blown burner close to four side of strip slewing rollers, and under keeping iron scale direct
It falls in iron scale collecting tank.
Detailed description of the invention
Fig. 1 is the utility model arrangement schematic diagram；
Fig. 2 is the side-blown burner flame area of coverage top view of horizontal chamber furnace (oven)；
Fig. 3 is the utility model flame footprint top view；
In figure: 1, strip slewing rollers, 2, preheating furnace；3, direct-injection penetrates vertical heater；4, iron scale collecting tank；5, horizontal annealing
Furnace；6, strip；7, furnace shouts baffle；8, soaking pit；9, black furnace is sprayed；10, heat tensioning roll segment；11, furnace nose；12, hot idler roller；
13, cooling blower；14, radiant tube two；15, radiant tube one；16, slewing rollers four；17, side-blown burner；18, direct-combustion burner；19, cigarette
Gas outlet；20, enter furnace sealed roller；21, entrance idler；31, side-blown burner one；32, side-blown flame zone one；34, side-blown burner
Two；35 side-blown flame zones two；36, side-blown flame zone three；42, direct combustion flame zone.
Specific embodiment
Below in conjunction with attached drawing, by example, the utility model is described in further detail.
Referring to attached drawing 1,3, a kind of energy-efficient zinc-plated direct-injection penetrates vertical heater, and it is vertical heater that direct-injection, which penetrates vertical heater,
Direct-injection penetrates the direction of travel of the strip in vertical heater as vertical direction from top to bottom, and the two sides that direct-injection penetrates vertical heater are respectively equipped with
Multiple direct-combustion burners arranged up and down 18, the flame vertical that the direct-combustion burner 18 generates are ejected into the surface of strip；Direct-injection is penetrated
The outlet of vertical heater is equipped with the slewing rollers 4 16, iron scale collecting tank 4 and the side-blown burner 17 that match with strip, described side-blown
Strip is arranged in close to the side of slewing rollers 4 16 in burner 17, and iron scale collecting tank 4 is arranged in direct-injection and penetrates vertical outlet of still
Underface.
Specific embodiment:
In the present embodiment, referring to attached drawing 1, direct-injection, which is penetrated on front side of vertical heater 3, is disposed with preheating furnace 2, and preheating furnace 2 and direct-injection are penetrated
Vertical heater 3 equally using vertical arrangement, has saved place, and the arranged in front of preheating furnace 2 has into furnace sealed roller 20 and entrance tensioning
Roller 21, the entrance idler 21 of preheating furnace 2 can guarantee that strip in the whole tensile force of system of bf body, makes strip be in tensioning shape
State；The rear side that direct-injection penetrates vertical heater 3 has been sequentially arranged Horizental annealer 5, soaking pit 8, spray black furnace 9, heat tensioning roll segment 10 and furnace
Nose 11 is disposed with furnace between each furnace body as needed and shouts baffle 7, and furnace, which shouts baffle 7, can guarantee that strip passes through, and can guarantee each
Furnace atmosphere is relatively independent；The hot idler roller 12 of arrangement in heat tensioning roll segment 10, furnace nose 11 are directly entered zinc pot liquid level hereinafter, whole
A system constitutes cold-rolling galvanization production line
Above-mentioned annealing furnace 5 and soaking pit 8 can vertical or horizontal arrangement, direct-injection penetrates vertical heater 3 using vertical, directly
Spraying the direct-combustion burner 18 in vertical heater 3 is a kind of the art commonly burner, using the heating method of open fire direct combustion, furnace
It interior open fire area, can be to avoid the intracorporal N of the furnaces such as open fire and annealing furnace 5, soaking pit 8 in upside2、H2H in reducing atmosphere2Contact, drop
Low risk of explosion, improves the safety of furnace body.
Strip is preheated using the hot fume that direct-injection is penetrated in vertical heater 3 in preheating furnace 2, flue gas is inversely transported with strip
Dynamic, exhanst gas outlet 19 is arranged in the place of proximate inlet sealed roller 20.
Referring to attached drawing 1, preheating furnace 2 penetrates the preheating section of vertical heater 3, overall length 24m for direct-injection, and direct-injection penetrates the direct combustion of vertical heater 3
Duan overall length 8m designs totally 40 pairs of direct-combustion burner 18, and radiation pipeline section to outlet tensioner section overall length amounts to 60m.Furnace internal tension is set
It is calculated as maximum 80MPa, maximum threading speed is 20m/min.Direct combustion section can quickly heat up to 650 DEG C of temperature from 25 DEG C, energy consumption
Accounting is the 60%--70%, 80%-- of the combustion gas wastage in bulk or weight of annealing furnace section relative to the comparable horizontal chamber furnace (oven) of same period ability of return of goods section
85%.The phenomenon due to strip yin-yang face phenomenon and surface spangle unevenness is essentially eliminated, iron scale elimination effect is preferable, roller
Bear building-up tumor phenomenon reduces 80% or more compared with the horizontal chamber furnace (oven) of the same period.
In cold-rolling galvanization production line, most of heat of strip is heated from direct combustion section, soaking pit and annealing furnace Duan Ze
It is completed using radiant tube heating.Stove includes preheating section, direct-burning heating section, radiant tube bringing-up section, radiant tube soaking zone, rapid cooling
Section, equalized temperature section, outlet tensioner and a fixed trunk.It makes strip immerse zinc pot, heating and cooling procedure
Automatically control, temperature, speed and tension as required meet strip property in terms of requirement.
Attached drawing 2 is traditional side-blown burner flame area of coverage top view of horizontal chamber furnace (oven), the side-blown burner one of furnace body two sides arrangement
31 and side-blown burner 2 34 side-blown flame zone is respectively formed in strip, different flame divides into side-blown flame zone 1, side
Blow flame zone 2 34 and side-blown flame zone 3 36, since flame flame envelope area temperature is higher, so after superposition flame, in the middle part of strip and
It is uneven that serious heating occurs in edge, further result in strip it is zinc-plated when there is spangle difference.
Attached drawing 3 is the utility model flame footprint top view, heating method of the direct-combustion burner 18 using open fire direct combustion, In
Direct combustion flame zone 42 is formed in strip, eliminates flame superposition area and non-uniform influence is heated on strip.
Claims (4)
1. a kind of energy-efficient zinc-plated direct-injection penetrates vertical heater, it is characterised in that: it is vertical heater, direct-injection that direct-injection, which penetrates vertical heater,
The direction of travel of the strip in vertical heater is penetrated as vertical direction from top to bottom, the two sides that direct-injection penetrates vertical heater are respectively equipped with multiple
Direct-combustion burner (18) arranged up and down, the flame vertical that the direct-combustion burner (18) generates are ejected into the surface of strip；Direct-injection is penetrated
The outlet of vertical heater is equipped with the slewing rollers four (16), iron scale collecting tank (4) and the side-blown burner (17) that match with strip, institute
Side-blown burner (17) setting is stated in strip close to the side of slewing rollers four (16), iron scale collecting tank (4) setting is penetrated in direct-injection
The underface of vertical outlet of still.
2. the energy-efficient zinc-plated direct-injection of one kind according to claim 1 penetrates vertical heater, it is characterised in that: the side-blown burning
The blowing direction of mouth (17) penetrates the underface of vertical outlet of still towards direct-injection.
3. the energy-efficient zinc-plated direct-injection of one kind according to claim 1 or 2 penetrates vertical heater, it is characterised in that: in composition
Also comprising preheating furnace (2), Horizental annealer (5), soaking pit (8), spray black furnace (9) and furnace nose (11), direct-injection is penetrated vertical heater and is set
It sets between preheating furnace (2) and Horizental annealer (5), slewing rollers four (16), which are arranged, penetrates vertical heater and Horizental annealer in direct-injection
(5) between.
4. the energy-efficient zinc-plated direct-injection of one kind according to claim 3 penetrates vertical heater, it is characterised in that: the preheating furnace
(2), direct-injection penetrates vertical heater, Horizental annealer (5), soaking pit (8), spray black furnace (9) and furnace nose (11) by the traveling side of strip
To being sequentially arranged, cold-rolling galvanization production line is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115028.6U CN209602616U (en) | 2018-12-17 | 2018-12-17 | A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115028.6U CN209602616U (en) | 2018-12-17 | 2018-12-17 | A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209602616U true CN209602616U (en) | 2019-11-08 |
Family
ID=68396147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822115028.6U Active CN209602616U (en) | 2018-12-17 | 2018-12-17 | A kind of energy-efficient zinc-plated direct-injection penetrates vertical heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209602616U (en) |
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2018
- 2018-12-17 CN CN201822115028.6U patent/CN209602616U/en active Active
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