CN201614394U - Strip steel cooling device - Google Patents

Strip steel cooling device Download PDF

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Publication number
CN201614394U
CN201614394U CN2010200329177U CN201020032917U CN201614394U CN 201614394 U CN201614394 U CN 201614394U CN 2010200329177 U CN2010200329177 U CN 2010200329177U CN 201020032917 U CN201020032917 U CN 201020032917U CN 201614394 U CN201614394 U CN 201614394U
Authority
CN
China
Prior art keywords
steel ball
baffle plate
steel
circular hole
refrigerating unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010200329177U
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Chinese (zh)
Inventor
叶冬柏
邹守军
余国明
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN2010200329177U priority Critical patent/CN201614394U/en
Application granted granted Critical
Publication of CN201614394U publication Critical patent/CN201614394U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a strip steel cooling device which comprises a box body, at least a spray tube arranged in the box body, a cooling medium inlet connected with one end of the spray tube, a plurality of spray nozzles distributed on the spray tube, and a baffle plate arranged in the box body, wherein, a plurality of circular spray nozzle holes and circular steel ball holes are formed on the baffle plate; the circular spray nozzle holes are nested with the spray nozzles; the circular steel ball holes are nested with a plurality of steel ball components; the end surface of the spray mouth of each spray nozzle is in parallel with the baffle plate; and part of steel balls is exposed out of the baffle plate surface. The strip steel cooling device can avoid abrasion and scratching problems in the cooling process caused by bad strip steel plate shapes, ensures the uniform cooling effect of strip steels in different plate shapes on the cooling surface, reduces quality loss, shortens downtime, and is particularly effective for strip steels with thicknesses smaller than 3.5mm.

Description

A kind of band steel refrigerating unit
Technical field
The utility model relates to refrigerating unit, relates in particular to the refrigerating unit that is used for the band steel after the thermal treatment.
Background technology
Common annealing furnace zone steel is handled unit all must the configuration refrigerating unit in order to improve material property in band steel annealing back.Refrigerating unit in the past is generally: slot driller on a circular nozzle, and the winding-up heat-eliminating medium, thus the band steel is cooled off.The shortcoming of this method is: slot is yielding, and cooling performance is difficult to accurate control.
Open day is on July 12nd, 2006, publication number is CN2795229, the name be called " jet refrigerating unit " patent disclosure a kind of improved jet refrigerating unit, this device comprises the tuyere header board, presort the gentle stream of matching board and all press cavity, be disposed with first on the jet header board, the second and the 3rd tuyere zone, presort matching board and be provided with some circle vents, each tuyere zone is provided with the special-purpose tuyere of some Urals type, nozzle is arranged on empty van body inside, characteristics are can improve the flow velocity of exit gas when original pressure is low, and make every effort to the strip width direction and obtain uniform cooling draught.
Open day is on July 20th, 2005, and publication number is CN1640575, and name is called in the patent of " a kind of band steel cooling facility for laminar flow and controlled chilling method thereof " and also discloses a kind of band steel refrigerating unit, and this device purpose is to improve the handiness of cooling off master mode.
Equally, open day is on March 17th, 2009, and publication number is CN101381806, and name is called that disclosed technical scheme also is the flexibility problem that solves the cooling master mode in the patent of " a kind of refrigerating unit and cooling control method thereof with steel ".
Open day is on February 20th, 2008, publication number is CN201024208, name is called the patent of " a kind of cold-rolled steel sheet pot galvanize is produced with the atomizing refrigerating unit " and was on June 3rd, 2009 in open day, publication number is CN201250279, and the patent purpose that name is called " galvanized steel refrigerating unit " all is to improve the speed of cooling of band steel.
Yet all there are the following problems for the disclosed technical scheme of above-mentioned all patents:
1. in case belt plate shape is relatively poor, under the more approaching situation of refrigerating unit and belt steel surface, the band steel is in operation and very easily runs into refrigerating unit, thereby produces mass defects such as wiping scuffing;
2. under the situation of controlled chilling device and band steel distance, can't make the band steel of the different plate shapes of same specification reach same cooling performance, the performance of band steel is difficult to guarantee consistent;
3. in order to guarantee the pressure medium basically identical, must carry out behind the subregion access medium again to refrigerating unit, so just have to increase by-pass valve control and joint, complex structure and increased the trouble spot;
4. can't produce wooden dipper song, particularly book band steel to the back of annealing, cause the relatively poor band steel of plate shape to play the effect of micro-rectification plate shape.
Summary of the invention
The purpose of this utility model is a kind of band steel refrigerating unit of design, this device reaches under the operating mode of minimum distance at refrigerating unit and band steel, can effectively prevent to be with steel in process of cooling, to cause the surface to wipe and scratch, can also guarantee to be with steel in process of cooling, can obtain uniform cooling performance simultaneously.
For achieving the above object, the utility model provides a kind of band steel refrigerating unit, comprises casing and at least one intravital jet pipe of case that is arranged at, and the heat-eliminating medium that is connected with jet pipe one end inlet, comprises in addition:
Several nozzles are arranged on the jet pipe;
One baffle plate is located in the described casing, has plurality of nozzles circular hole and steel ball circular hole on the described baffle plate, and wherein the nozzle circular hole is nested with nozzle, and the vents face of nozzle is concordant with baffle surface;
Several steel ball assemblies are nested in the steel ball circular hole of described baffle plate.
Preferably, described band steel refrigerating unit also comprises another heat-eliminating medium inlet, is connected with the other end of described jet pipe.
Preferably, heat-eliminating medium inlet described and that the jet pipe two ends are connected respectively is the same specification medium inlet.So that heat-eliminating medium forms strong turbulent flow in jet pipe, guarantee the pressure-stabilisation unanimity of jet exit, thereby guarantee that the band steel can obtain uniform cooling performance.
Preferably, described steel ball assembly comprises:
One cutting ferrule is nested in the steel ball circular hole of described baffle plate, and the inside and outside two sides of described cutting ferrule all has the hole;
One steel ball is nested in the hole of described cutting ferrule with having certain interval, and cutting ferrule is exposed in described steel ball end.
Preferably, described cutting ferrule is for fixedly to be nested in the steel ball circular hole of described baffle plate.
Preferably, nozzle circular hole on the described baffle plate and steel ball circular hole are equidistant layout.
Preferably, be arranged with former and later two jet pipes and baffle plate in the described casing.
The utility model is owing to adopted above technical scheme, make it compared with prior art, it is simple in structure, installation and maintenance are convenient, the steel ball assembly that adopts can effectively prevent the scraping phenomenon when spacing is too small between steel and the refrigerating unit, do not need simultaneously subregion to insert heat-eliminating medium and just can realize even cooling with steel, in addition can also the strip steel of wooden dipper song play certain plate shape correcting to taking place greatly.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the vertical view of a kind of a kind of preferred version with the steel refrigerating unit of the utility model.
Fig. 2 is a kind of side-view with the steel refrigerating unit of Fig. 1.
Fig. 3 is the sectional view at A-A place among Fig. 1.
Fig. 4 is a kind of structural representation with steel ball assembly in the steel refrigerating unit of the utility model.
Embodiment
As depicted in figs. 1 and 2, this band steel refrigerating unit is located at the outlet section that cold rolled strip is handled the line continuous annealing furnace, comprise jet pipe 1, baffle plate 2 and casing 3, jet pipe 1 and baffle plate 2 are installed in the casing 3, jet pipe 1 is connected by flange and fastening piece 4 with casing 3, be provided with gasket between the joint face, jet pipe 1 and baffle plate 2 can be taken out casing 3 together by pulling down flange and fastening piece 4.A plurality of nozzles of equidistantly arranging by certain distance 7 are installed on the jet pipe 1.The two ends of jet pipe 1 all are connected with heat-eliminating medium inlet 6 with heat-eliminating medium inlet 5 by flange, heat-eliminating medium inlet 5 is identical with the configuration of heat-eliminating medium inlet 6, specification is identical, heat-eliminating medium such as water or pressurized air enters into jet pipe 1 inside by heat-eliminating medium inlet 5 and heat-eliminating medium inlet 6, make heat-eliminating medium in jet pipe 1, form strong turbulent flow, guarantee the pressure-stabilisation unanimity of nozzle 7 outlets, thereby guarantee that the band steel can obtain uniform cooling performance.Above-mentioned jet pipe 1 and baffle plate 2 are to be arranged in pairs in the casing 3, and the band steel is from its middle passing.
As shown in figures 1 and 3, have on the baffle plate 2 with nozzle 7 between spacing corresponding identical equidistant steel ball circular hole 21 and nozzle circular hole 22, wherein nozzle circular hole 22 is nested with the spout of nozzle 7, and the vents face of nozzle 7 must not exceed the outside surface of nozzle circular hole 22; Steel ball assembly 8 as shown in Figure 4 is installed in the steel ball circular hole 21.
As shown in Figure 3 and Figure 4, steel ball assembly 8 comprises steel ball 82 and cutting ferrule 81.Cutting ferrule 81 fixedly is nested in the steel ball circular hole 21 of baffle plate 2.The inside and outside two sides of cutting ferrule 81 all has the hole, steel ball 82 is installed in the cutting ferrule 81, has certain clearance between steel ball 82 and the cutting ferrule 81, so that steel ball 82 freely rotates, also make things convenient for the replacing after steel ball 82 weares and teares simultaneously, steel ball 82 end sections expose cutting ferrule 81, protrude in the surface of baffle plate 2, just can roll along with the band steel when in a single day contacting with assurance steel ball 82 and band steel, avoid swiping with belt steel surface, the surface quality of steel finished product is with in influence.
When thickness was the operating mode of the plate deformation differences such as the big wooden dipper song of strip steel annealing back generation below the 3.5mm, this band steel refrigerating unit also can effectively be corrected the plate shape of strip steel by steel ball to the roll extrusion effect of band steel.
This shows, a kind of band steel of the utility model refrigerating unit, simple in structure, the steel ball assembly that adopts can effectively prevent the scraping phenomenon when spacing is too small between steel and the refrigerating unit, do not need simultaneously subregion to insert heat-eliminating medium and just can realize even cooling with steel, can also play certain template correcting to the strip steel, have good implementation result.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims (7)

1. a band steel refrigerating unit comprises that casing and at least one are arranged at the intravital jet pipe of case, and a heat-eliminating medium inlet that is connected with jet pipe one end, it is characterized in that, also comprises:
Several nozzles are arranged on the jet pipe;
One baffle plate is located in the described casing, has plurality of nozzles circular hole and steel ball circular hole on the described baffle plate,
Spacing between the described nozzle circular hole is corresponding identical with spacing between the described nozzle, and the nozzle circular hole is nested with described nozzle, and the vents face of nozzle is concordant with baffle surface;
Several steel ball assemblies are nested in the steel ball circular hole of described baffle plate.
2. band steel refrigerating unit as claimed in claim 1 is characterized in that, also comprises another heat-eliminating medium inlet, is connected with the other end of described jet pipe.
3. band steel refrigerating unit as claimed in claim 2 is characterized in that, heat-eliminating medium inlet described and that the jet pipe two ends are connected respectively is the same specification medium inlet.
4. band steel refrigerating unit as claimed in claim 3 is characterized in that, described steel ball assembly comprises:
One cutting ferrule is nested in the steel ball circular hole of described baffle plate, and the inside and outside two sides of described cutting ferrule all has the hole;
One steel ball is nested in the hole of described cutting ferrule with having certain interval, and cutting ferrule is exposed in described steel ball end.
5. band steel refrigerating unit as claimed in claim 4 is characterized in that described cutting ferrule fixedly is nested in the steel ball circular hole of described baffle plate.
6. band steel refrigerating unit as claimed in claim 5 is characterized in that, nozzle circular hole and steel ball circular hole on the described baffle plate are equidistant layout.
7. band steel refrigerating unit as claimed in claim 6 is characterized in that, is arranged with former and later two jet pipes and baffle plate in the described casing.
CN2010200329177U 2010-01-12 2010-01-12 Strip steel cooling device Expired - Fee Related CN201614394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200329177U CN201614394U (en) 2010-01-12 2010-01-12 Strip steel cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010200329177U CN201614394U (en) 2010-01-12 2010-01-12 Strip steel cooling device

Publications (1)

Publication Number Publication Date
CN201614394U true CN201614394U (en) 2010-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010200329177U Expired - Fee Related CN201614394U (en) 2010-01-12 2010-01-12 Strip steel cooling device

Country Status (1)

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CN (1) CN201614394U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138255A (en) * 2016-09-28 2018-06-08 中外炉工业株式会社 The gate mechanism of strip-shaped piece processing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138255A (en) * 2016-09-28 2018-06-08 中外炉工业株式会社 The gate mechanism of strip-shaped piece processing equipment

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101027

Termination date: 20160112