CN106984658B - DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device - Google Patents
DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device Download PDFInfo
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- CN106984658B CN106984658B CN201710211589.3A CN201710211589A CN106984658B CN 106984658 B CN106984658 B CN 106984658B CN 201710211589 A CN201710211589 A CN 201710211589A CN 106984658 B CN106984658 B CN 106984658B
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- Prior art keywords
- cooling
- water tank
- cooling water
- nozzle
- nozzles
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The present invention relates to a kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling devices, including one or more single pass cooling water tanks and positioned at the guide groove of each cooling water tank upstream and downstream, cooling water tank goes out, inlet is equipped with guide and guard, dry nozzle is equipped in cooling water tank, cooling nozzles and cleaning nozzle, dry nozzle is located at the both ends of cooling water tank and can be to the rolled piece jet on the inside of cooling water tank, cooling nozzles arrange along cooling water tank and can spray water to rolled piece along rolling direction, along in rolling direction, there are one clean nozzle for setting after a certain number of cooling nozzles, cleaning nozzle can spray water against rolling direction to rolled piece.The device can destroy the steam blanket on rolled piece surface before subsequent cooling nozzles cool down rolled piece, can continue the generation for inhibiting steam blanket, strengthen cooling effect.
Description
Technical field
The invention belongs to hot rolling production technical fields, and in particular to a kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device.
Background technology
Bar Wire Product needs cooling device to be cooled down in the hot rolling, and the effect of the cooling device before rolling is control
The effect of rolling temperature processed, cooling device after finish to gauge is control cooling temperature.Cooling device generally use water cooling, therefore
Most common equipment is cooling water tank in cooling device, and dry nozzle, cooling nozzles are equipped in general cooling water tank and clean spray
Mouth, wherein cooling nozzles are to be quickly cooled down to rolled piece water spray, effect along rolling direction, and dry nozzle is located at the two of cooling water tank
It holds and is to form sealing gland to prevent water from splashing out cooling water tank and drying rolled piece to the rolled piece jet on the inside of cooling water tank, effect, clearly
It is in gas to sweep nozzle and be located at the outlet end of cooling water tank and spray water, act on the inside of dry nozzle and against rolling direction to rolled piece
Water seal is formed before envelope prevents water from splashing out cooling water tank, currently, cooling water tank has the following problems：The Bar Wire Product of hot rolling is in height
Temperature state, water easily evaporates when water cooling rolled piece, to form one layer of steam blanket on rolled piece surface, steam blanket once being formed after, it is unfavorable
In the further cooling of follow-up cooling nozzles, cooling effect is influenced.
Invention content
The object of the present invention is to provide a kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device, which can be in subsequent cooling
Nozzle cools down the steam blanket on destruction rolled piece surface before rolled piece, can continue the generation for inhibiting steam blanket, strengthen cooling effect.
The technical solution adopted in the present invention is：
A kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device, including one or more single pass cooling water tank and positioned at every
The guide groove of a cooling water tank upstream and downstream is equipped with guide and guard at the entry and exit of cooling water tank, dry spray is equipped in cooling water tank
Mouth, cooling nozzles and cleaning nozzle, dry nozzle are located at the both ends of cooling water tank and can be sprayed to the rolled piece on the inside of cooling water tank
Gas, cooling nozzles arrange along cooling water tank and can spray water to rolled piece along rolling direction, in suitable rolling direction, every certain amount
Cooling nozzles after setting there are one nozzle is cleaned, clean nozzle can inverse rolling direction spray water to rolled piece.
Further, along in rolling direction, setting is there are one cleaning nozzle after each two cooling nozzles, cooling when work
Nozzle sprays the water that power is 0.65~0.7MPa along rolling direction with 20 ° of incidence angle, cleans nozzle against rolling direction with 15 °
Incidence angle sprays the water that power is 0.65~0.7MPa, and dry nozzle sprays the gas that power is 0.4~0.6MPa with 15 ° of incidence angle
Body.
Further, all nozzles in cooling water tank are detachable, when not needing water cooling, by the institute in cooling water tank
There is nozzle all to replace with air-through-tube.
Further, when the quantity of cooling water tank is more than two, the guide groove between cooling water tank and cooling water tank is slow
Cold guide groove.
Further, equipped with cooling water pipe in cooling water tank, outside all nozzles that cooling water pipe can be into cooling water tank
It sprays water on surface.
Further, all nozzles in cooling water tank are the adjustable circumferential weld nozzle in gap.
Further, the aqueduct for drawing water is equipped in cooling water tank.
Further, the guide groove of cooling water tank upstream is designed as two sections, is set between two sections of the guide groove of cooling water tank upstream
It is useful for the detecting element of control water tank ON/OFF.
Further, cooling water tank is equipped with peephole.
Further, top of guide slot is equipped with the protective cover with mesh.
The beneficial effects of the invention are as follows：
1. in the present invention, one cleans nozzle and several cooling nozzles one cooling unit of composition, along cooling water tank
Several cooling units (quantity of cooling unit is adjusted according to the requirement of practical cooling capacity) are placed with, it is single in each cooling
In member, cooling nozzles clean nozzle and are used to destroy the steam blanket on rolled piece surface and remove the oxygen on rolled piece surface for being quickly cooled down
Change iron sheet so that the cooling nozzles in follow-up cooling unit will not be influenced, the work of the water of ejection while cooling by steam blanket
It will not firmly be offset by steam blanket, and be more than in end but be arranged in many places and clean nozzle, had and persistently inhibit steam
The effect of film, strengthens cooling effect.
2. all nozzles in cooling water tank are detachable, requirement that can be according to user to properties of product, select water cooling or
Not water cooling, much higher than air-through-tube of nozzle cost, when not water cooling, even if all nozzles can make nozzle if being turned off
At loss, so being replaced by air-through-tube, the expense of vulnerable part is reduced.
3. the quantity of cooling water tank is configured according to practical cooling requirement, when the quantity of cooling water tank is two or more
When, slow cooling guide groove is set between cooling water tank, and cooling velocity is excessive when preventing that cooling water tank is used continuously, the product gold of production
Phase constitution cannot be met the requirements (cooling too urgent easy production martensitic structure).
4. cooling water pipe can prevent all nozzle temperature distortions in cooling water tank.
5. circumferential weld nozzle can by homogeneous media be sprayed on rolled piece surrounded surface, good cooling results.
6. cooling nozzles and clean the water that nozzle sprays and collect in cooling water tank, drawn water is orderly by aqueduct
Go out, prevents basic underground water splashes.
7. detecting element is located between two sections of guide groove, interference of the water spillage to detecting element can effectively prevent.
8. peephole can observe operating condition of the rolled piece in cooling water tank in real time.
It hurts sb.'s feelings 9. protective cover can prevent rolled piece from flying out.
Description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the arrangement schematic diagram of cooling water tank inwardly projecting orifice in the embodiment of the present invention.
In figure：The guide groove of 1- cooling water tanks upstream；2- cooling water tanks；The guide groove in 3- cooling water tanks downstream；4- peepholes；5-
Aqueduct；6- cooling water pipes；7-1# guide and guard；8-1# dry nozzles；9-1# cooling nozzles；10-2# cooling nozzles；11-1# is cleaned
Nozzle；12-3# cooling nozzles；13-4# cooling nozzles；14-2# cleans nozzle；15-5# cooling nozzles；16-6# cooling nozzles；
17-3# cleans nozzle；18-2# dry nozzles；19-2# guide and guard.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, a kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device, including single pass cooling water tank 2 are (cold
But for both ends open, remaining closed welded steel structure using a cooling water tank 2, needs to illustrate water tank 2 in the present embodiment
, the quantity of cooling water tank 2 is cooled down according to reality to be required to be configured, and is not limited only to one, be can also be multiple) and position
At the guide groove (1 and 3) of 2 upstream and downstream of cooling water tank, the entry and exit of cooling water tank 2 be equipped with guide and guard (7 and 19, for that will roll
Part smoothly imports and export bosh), be equipped in cooling water tank 2 dry nozzle (8 and 18), cooling nozzles (9,10,12,13,
15 and 16) and nozzle (11,14 and 17) is cleaned, dry nozzle (8 and 18) is located at the both ends of cooling water tank 2 and can be to cooling water
Rolled piece jet, the cooling nozzles (9,10,12,13,15 and 16) of 2 inside of case arrange along cooling water tank 2 and can be along rolling directions
It sprays water to rolled piece, along in rolling direction, there are one cleaning nozzles (to be learnt by practical operation for setting after two cooling nozzles
When one cleaning nozzle and two cooling nozzles form a cooling unit, cooling effect is best, is not restricted to two certainly
A cooling nozzles can also use one, three, four etc.), clean nozzle (11,14 and 17) can inverse rolling direction to rolling
Part is sprayed water.In the present invention, one cleans nozzle and two cooling nozzles one cooling units of composition, arranges along cooling water tank 2
There are several cooling units (quantity of cooling unit is adjusted according to the requirement of practical cooling capacity), in each cooling unit
In, cooling nozzles (9,10,12,13,15 and 16) clean nozzle (11,14 and 17) for destroying rolled piece table for being quickly cooled down
The steam blanket in face and the iron scale for removing rolled piece surface so that the cooling nozzles (9,10,12,13,15 in follow-up cooling unit
With 16) while cooling, will not be influenced by steam blanket, the active force of the water of ejection will not be offset by steam blanket, and not only
It is in end but is arranged in many places and cleans nozzle (11,14 and 17) have the function of persistently inhibiting steam blanket, strengthen cooling
Effect.
In the present embodiment, in order to reduce rolled piece by the unstable of nozzle (8 to 18), all sprays in cooling water tank 2
The specification of mouth (8 to 18) according to production product specification limit be designed, design several groups of different specification sizes nozzle (8 to
18), a kind of nozzle (8 to 18) of specification is only installed online, the specification of nozzle (8 to 18) is Φ 12, Φ 18, Φ 25, Φ 32, right
It answers, guide groove (1 and 3) uses two-sided guide groove, and wherein 12/ Φ of Φ 25 are a pair of, and 18/ Φ of Φ 32 are a pair of.
As shown in Fig. 2, in the present embodiment, when work, cooling nozzles (9,10,12,13,15 and 16) along rolling direction with
20 ° of incidence angle sprays the water that power is 0.65~0.7MPa, cleans the inverse rolling direction of nozzle (11,14 and 17) with 15 ° of incidence
Angle sprays the water that power is 0.65~0.7MPa, and it is 0.4~0.6MPa's that dry nozzle (8 and 18) sprays power with 15 ° of incidence angle
Gas.
In the present embodiment, all nozzles (8 to 18) in cooling water tank 2 are detachable, will be cold when not needing water cooling
But all nozzles (8 to 18) in water tank 2 all replace with air-through-tube.All nozzles (8 to 18) in cooling water tank 2 are removable
It unloads, requirement that can be according to user to properties of product, selects water cooling or non-water cooling, nozzle (8 to 18) cost higher than air-through-tube
It is more, when not water cooling, even if all nozzles (8 to 18) can cause to be lost if being turned off to nozzle (8 to 18), so passing through
Air-through-tube is replaced, and the expense of vulnerable part is reduced.In the present embodiment, when being replaced, 1# dry nozzles 8 and 1# cooling nozzles 9,
1# cleans nozzle 11 and 3# cooling nozzles 12, and 2# cleans nozzle 14 and 5# cooling nozzles 15,3# clean nozzle 17 and 2# drying sprays
Mouth 18 is respectively adopted a two-seater sky and crosses the replacement of replacement pipe, remaining nozzle (10,13,16) is replaced pipe using single seat and replaced.
When the quantity of cooling water tank 2 is more than two, the guide groove between cooling water tank 2 and cooling water tank 2 is led for slow cooling
Slot.The quantity of cooling water tank 2 is configured according to practical cooling requirement, when the quantity of cooling water tank 2 is more than two, cold
Slow cooling guide groove is but set between water tank 2, and cooling velocity is excessive when preventing that cooling water tank 2 is used continuously, the product metallographic group of production
Knitting cannot meet the requirements (cooling too urgent easy production martensitic structure).
As shown in Figure 1, in the present embodiment, cooling water pipe 6 is equipped in cooling water tank 2, cooling water pipe 6 can be to cooling water
All nozzle (8 to 18) outer surfaces water spray in case 2.Cooling water pipe 6 can prevent in cooling water tank 2 all nozzles (8 to
18) temperature distortion.
In the present embodiment, all nozzles (8 to 18) in cooling water tank 2 are the adjustable circumferential weld nozzle (circumferential weld in gap
The circumferential weld gap of nozzle is adjusted according to gasket).Circumferential weld nozzle can by homogeneous media be sprayed on rolled piece surrounded surface, cooling effect
Fruit is good.
As shown in Figure 1, in the present embodiment, the aqueduct 5 for drawing water is equipped in cooling water tank 2.Cooling nozzles (9,
10,12,13,15 and 16) and clean nozzle (11,14 and 17) spray water collect in cooling water tank 2, pass through aqueduct 5 will
The orderly extraction of water prevents basic underground water splashes, and the number of aqueduct 5 is determined according to actual arrangement, in this implementation
In example, using three aqueducts.
In the present embodiment, the guide groove (1) of 2 upstream of cooling water tank is designed as two sections, the guide groove (1) of 2 upstream of cooling water tank
Two sections between be equipped with detecting element for controlling water tank ON/OFF.Detecting element is located between two sections of guide groove (1), can have
Effect prevents water from splashing out the interference to detecting element.
As shown in Figure 1, in the present embodiment, cooling water tank 2 is equipped with peephole 4, and (peephole 4 is located at nozzle and nozzle
Gap location).Peephole 4 can observe operating condition of the rolled piece in cooling water tank 2 in real time.
In the present embodiment, the protective cover with mesh is equipped with above guide groove (1 and 3), and (mesh diameter is less than the production line
Minimum gauge diameter).Protective cover can prevent from rolled piece from flying out hurting sb.'s feelings.
In the present embodiment, cooling nozzles (9,10,12,13,15 and 16) shell is compressed using handwheel in cooling water tank 2,
Tail portion is fixed using bolt, is prevented cooling nozzles (9,10,12,13,15 and 16) long-time hyperthermia radiation, is deformed.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device, including one or more single pass cooling water tanks and positioned at each
The guide groove of cooling water tank upstream and downstream, cooling water tank is interior to be equipped with dry nozzle, cooling nozzles and cleans nozzle, and dry nozzle is set
The both ends of cooling water tank and can on the inside of cooling water tank rolled piece jet, cooling nozzles along cooling water tank arrange and can be suitable
Rolling direction is sprayed water to rolled piece, it is characterised in that：Guide and guard are equipped at the entry and exit of cooling water tank, along in rolling direction, Mei Geyi
There are one nozzle is cleaned, cleaning nozzle can spray water against rolling direction to rolled piece for setting after the cooling nozzles of fixed number amount.
2. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：In suitable rolling direction, every two
Setting is there are one nozzle is cleaned after a cooling nozzles, and when work, cooling nozzles spray power with 20 ° of incidence angle along rolling direction and are
The water of 0.65~0.7MPa cleans nozzle and sprays the water that power is 0.65~0.7MPa against rolling direction with 15 ° of incidence angle, dry
Nozzle sprays the gas that power is 0.4~0.6MPa with 15 ° of incidence angle.
3. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：All sprays in cooling water tank
Mouth is detachable, and when not needing water cooling, all nozzles in cooling water tank are all replaced with air-through-tube.
4. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：The quantity of cooling water tank is two
When a above, the guide groove between cooling water tank and cooling water tank is slow cooling guide groove.
5. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：Cooling is equipped in cooling water tank
Water pipe, all nozzle outer surfaces water spray that cooling water pipe can be into cooling water tank.
6. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：All sprays in cooling water tank
Mouth is the adjustable circumferential weld nozzle in gap.
7. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：It is equipped with water in cooling water tank
The aqueduct of extraction.
8. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：The guide groove of cooling water tank upstream
Two sections are designed as, the detecting element for controlling cooling water tank ON/OFF is equipped between two sections of guide grooves of cooling water tank upstream.
9. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：Cooling water tank is equipped with observation
Hole.
10. DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device as described in claim 1, it is characterised in that：Top of guide slot is equipped with band net
The protective cover of eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211589.3A CN106984658B (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211589.3A CN106984658B (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106984658A CN106984658A (en) | 2017-07-28 |
| CN106984658B true CN106984658B (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710211589.3A Active CN106984658B (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING production line cooling device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389940A (en) * | 2020-04-14 | 2020-07-10 | 新兴铸管股份有限公司 | Water cooling air seal device |
| CN114074116B (en) * | 2020-08-13 | 2024-03-19 | 北京京诚瑞信长材工程技术有限公司 | Rolling and cooling control production line for hot rolled steel bar |
| CN112474831B (en) * | 2020-12-04 | 2022-10-25 | 天津钢铁集团有限公司 | Adjusting method for QTB waste heat treatment process of slit rolled deformed steel bar |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376336C (en) * | 2005-07-07 | 2008-03-26 | 东北大学 | Ultrafast cooling device for wire and rod hot rolling production line |
| CN201997551U (en) * | 2011-02-23 | 2011-10-05 | 江苏东方成套设备制造有限公司 | Water-cooling device for planished part |
| CN102228910A (en) * | 2011-07-19 | 2011-11-02 | 东北大学 | Ultrafast cooling system after rolling for hot rolled strip steel production line |
| CN103252366A (en) * | 2013-05-07 | 2013-08-21 | 攀钢集团江油长城特殊钢有限公司 | Cooling spray nozzle and through-water cooling device |
| CN204412776U (en) * | 2014-12-25 | 2015-06-24 | 秦皇岛首秦金属材料有限公司 | The cold rear residual water blow device of a kind of hot rolled steel plate |
| CN204799691U (en) * | 2015-07-20 | 2015-11-25 | 东北大学 | Cut deal rolls postcooling water spray system |
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2017
- 2017-03-31 CN CN201710211589.3A patent/CN106984658B/en active Active
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| CN106984658A (en) | 2017-07-28 |
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