CN200998739Y - Turbulent flow type controlled cooling device for small dimension reinforcing steel - Google Patents
Turbulent flow type controlled cooling device for small dimension reinforcing steel Download PDFInfo
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- CN200998739Y CN200998739Y CNU2007200663734U CN200720066373U CN200998739Y CN 200998739 Y CN200998739 Y CN 200998739Y CN U2007200663734 U CNU2007200663734 U CN U2007200663734U CN 200720066373 U CN200720066373 U CN 200720066373U CN 200998739 Y CN200998739 Y CN 200998739Y
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- reinforcing bar
- water
- cooling device
- cooling tube
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Abstract
The utility model relates to a turbulent flow type cooling control device used for small-size reinforced bar. The device comprises a cooling pipe, a cooling water spray nozzle is installed at the inlet end of the cooling pipe to be communicated with a water inlet pipe, and a water outlet is arranged at the outlet end. The utility model is characterized in that the cooling pipe is divided into a plurality of sections, a segmental cooling water spray nozzle and a segmental water outlet are respectively arranged on each section; the water inlet pipe is connected with a dividing pipe which is connected with all the segmental cooling water spray nozzles; a plurality of valves are arranged on the dividing pipe and respectively positioned on the dividing pipe sections in front of each segmental cooling water spray nozzle. The reinforced bar in the water cooling process in the cooling device is stable, and the cooling efficiency is high.
Description
Technical field
The utility model relates to a kind of reinforcing bar cooling device, and particularly a kind of small dimension reinforcing bar (10～12mm diameter) is controlled cooling device with turbulence type.
Background technology
The control process for cooling is the cooling velocity of utilizing after the control rolled piece rolls, thereby reaches control and optimize the tissue of finished product reinforcing bar and the process goal of performance.
Reinforcing bar (bar) rolling back control process for cooling and relevant device have obtained promotion and application widely in countries in the world.Reinforcing bar (bar) raising end properties that the control process for cooling is produced and the effect that reduces comprehensive production cost are obvious.This technology has been widely used in the production of the above diameter reinforcing bar of 16mm in China, and equipment is reliable, process stabilizing, techno-economic effect are obvious.After its equipment places finisher, form by quickly cooling device, pinch roll, water system, instrument detection system and automatically controlled machine system.Wherein quickly cooling device generally adopts the turbulence type cooling device, the high temperature reinforcing bar of finishing finish to gauge passes turbulent flow when being the very high cooling device of Reynolds number, the reinforcing bar housing parts is formed martensite by direct quenching, after leaving cooling device, it under the effect of red heat core, carries out online tempering again, finish similar shape modified tone matter heat treatment step, make the obdurability of steel obtain further raising, and saved once heating, simplify the technology energy savings.
Before passing out to pinch roll from the finisher roll, the motion of this section reinforcing bar need overcome guide and guard, and all kinds of resistances of cooling device etc. are so reinforcing bar is an axial compression spare.When producing the reinforcing bar of the following specification of 12mm diameter, the raising of the technology mill speed that allows along with the small dimension reinforcing bar mill, passing through cooling device, when promptly wearing in the water cooling process, the difference of reinforcing bar axial velocity and cooling water axial velocity increases, resistance increases, the axial easy unstability and see bending of this section reinforcing bar then, and fault takes place frequently.
The quickly cooling device of control cooling usefulness always is a kind of turbulent flow cooler of axial-periodic formula variable cross-section, i.e. the motion of the water in the cooler is the turbulent model of the speed sudden turn of events.
Reinforcing bar is worn in the water cooling process, and front end has static pressure and pushes away the water progressive motility, and there is adherence force in the side.The flow of cooling water direction is identical with the reinforcing bar direction of motion, but water flow velocity also has resistance when being lower than reinforcing bar speed, rolling different-diameter reinforcing bar, and the common finish to gauge speed of milling train is listed in table 1.
Table 1
| Bar diameter (mm) | Finish to gauge linear velocity (m/s) |
| ≥25 | 6～8 |
| 16 | 6～10 |
| 12 | 6～13 |
| 10 | 6～14 |
Annotate: finish to gauge speed prostatitis numerical value is generally open-train mill and selects for use, and rank rear numerical value is the tandem mill value of selecting for use.
The control cooling device generally adopts the moving direction of aqueous jet consistent with the reinforcing bar traffic direction at present, promptly is referred to as the downflow type cooling device.When bar diameter 16mm was above, because the big employing finish to gauge of bar diameter speed is low, general water speed all is higher than rolled speed, and it is very stable then to wear the water process.Small dimension reinforcing bar 10～12mm is for guaranteeing milling train product yield and cost, and it is generally very fast to roll speed, and cooler flow motion resistance is bigger, and water velocity is not as good as improving.But small dimension reinforcing bar elongate rod strut stability is poor, make the reinforcing bar rolled piece be in a kind of unstable stress, the reinforcing bar end face is improved by static pressure when the big hydraulic pressure of the water yield is high, makes the easy unstability of rolled piece, reduce mill speed so adopt in producing, reduce ways such as the water yield and hydraulic pressure and keep production.Consequently output reduces, and fault increases, and influences recovery rate and production cost.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, provides a kind of small dimension reinforcing bar to control cooling device with turbulence type, and reinforcing bar is worn the water cooling process stabilization in cooling device, the cooling effectiveness height.
For achieving the above object, design of the present utility model is:
The utility model essence is that the cooling tube in the cooling device is divided into some segments, water inlet in parallel, every section independent draining, each segment cooling tube reaches identical flow velocity, resistance is the part of former resistance only, has reduced reinforcing bar and has worn water resistance, is aided with the pinch roll operation simultaneously, the draining in time behind the cooling reinforcing bar of every segment cooling tube, reinforcing bar enter down again a bit ofly cools off in new cooling water.Because the new water and the reinforcing bar temperature difference strengthen, the cooling effectiveness of each segment is improved, thereby every segment water consumption is less.
According to above-mentioned utility model design, the utility model adopts following technical scheme:
A kind of small dimension reinforcing bar is controlled cooling device with turbulence type, comprise a cooling tube, the entrance point of this cooling tube is equipped with the cooling water nozzle and is communicated with water inlet pipe, and the port of export has delivery port, it is characterized in that described cooling tube is divided into plurality of sections, on each section a segmentation cooling water nozzle and a segmentation delivery port are housed respectively; Described water inlet pipe is connected an isocon, and isocon is connected each segmentation cooling water nozzle; Some valves are arranged on the isocon, lay respectively on each segmentation cooling water nozzle isocon pipeline section before.
Above-mentioned cooling tube is axial variable cross-section turbulent pipe.
It is identical or water flow velocity is close that above-mentioned cooling tube is segmented into the length of each section.
Above-mentioned cooling water flow direction in cooling tube is identical with reinforcing bar traffic direction in cooling tube.
The utility model has following conspicuous substantive distinguishing features and advantage compared with prior art:
Because the utility model adopts the cooling tube segmentation to advance draining respectively reinforcing bar is cooled off, make small dimension (in 10～12mm) the reinforcing bars control cooling production process, wearing has some valves 4 on the water cooling flow tube 2, lay respectively at each segmentation cooling water nozzle 3 isocon 2 pipe benefits before obviously.
Description of drawings
Fig. 1 is the structural representation of the utility model turbulence type control cooling device.
The structural representation of the turbulence type cooling device of Fig. 2 prior art.
The specific embodiment
Details are as follows for a preferred embodiment of the present utility model:
Referring to Fig. 1, this small dimension reinforcing bar includes a cooling tube 6 with turbulence type control cooling device, the entrance point of this cooling tube 6 is equipped with cooling water nozzle 3 and is communicated with water inlet pipe 1, and the port of export has delivery port 5, described cooling tube 6 is divided into plurality of sections, on each section a segmentation cooling water nozzle 3 and a segmentation delivery port 5 is housed respectively; Described water inlet pipe 1 is connected an isocon 2, and some valves 4 are arranged on the isocon 2, lays respectively on each segmentation cooling water nozzle 3 isocon 2 pipeline sections before.Described cooling tube 6 is axial variable cross-section turbulent pipe.The water flow velocity that cooling tube 6 is segmented into each section is close.Cooling water flow direction in cooling tube 6 is identical with reinforcing bar traffic direction in cooling tube 6.
In the running, each valve 4 on the isocon 2 can open or close according to the production technology needs, controls the reinforcing bar cooling.
The structural representation that Fig. 2 illustrates the turbulence type cooling device of prior art supplies relatively.
Claims (4)
1. a small dimension reinforcing bar is controlled cooling device with turbulence type, comprise a turbulence type cooling tube (6), the entrance point that this cooling tube (6) is first section is equipped with cooling water nozzle (3) and is communicated with water inlet pipe (1), and the port of export of each section has delivery port (5), it is characterized in that described cooling tube (6) is divided into plurality of sections, on each section a cooling water nozzle (3) and a segmentation delivery port (5) are housed respectively; Described water inlet pipe (1) is connected an isocon (2) again, and isocon (2) is connected each segmentation cooling water nozzle (3); Some valves (4) are arranged on the isocon (2), lay respectively on each segmentation cooling water nozzle (3) isocon (2) pipeline section before.
2. small dimension reinforcing bar according to claim 1 is controlled cooling device with turbulence type, it is characterized in that described cooling tube (6) is axial variable cross-section turbulence type cooling tube.
3. small dimension reinforcing bar according to claim 1 is controlled cooling device with turbulence type, it is characterized in that each segmentation cooling water plumbing road parallel connection of cooling tube (6), wears each section that the water reinforcing bar but passes the position bunchiness successively.
4. small dimension reinforcing bar according to claim 1 is controlled cooling device with turbulence type, it is characterized in that cooling water flow direction in cooling tube (6) is identical with reinforcing bar traffic direction in cooling tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200663734U CN200998739Y (en) | 2007-01-16 | 2007-01-16 | Turbulent flow type controlled cooling device for small dimension reinforcing steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200663734U CN200998739Y (en) | 2007-01-16 | 2007-01-16 | Turbulent flow type controlled cooling device for small dimension reinforcing steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998739Y true CN200998739Y (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200663734U Expired - Fee Related CN200998739Y (en) | 2007-01-16 | 2007-01-16 | Turbulent flow type controlled cooling device for small dimension reinforcing steel |
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| CN (1) | CN200998739Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755999A (en) * | 2012-07-05 | 2012-10-31 | 莱芜钢铁集团有限公司 | Interstand cooling device for hot-rolled H-shaped steel |
| CN103727103A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Novel high-strength micro-turbulence tube |
| CN104785554A (en) * | 2015-04-24 | 2015-07-22 | 合肥精工导卫配件有限责任公司 | Turbulent eddy tubulature type double-water-supply efficient water-cooling nozzle |
| CN105195535A (en) * | 2015-10-22 | 2015-12-30 | 首钢水城钢铁（集团）有限责任公司 | Cooling device for rolled high-speed wire rod and method thereof |
| CN105458020A (en) * | 2015-12-18 | 2016-04-06 | 新兴铸管股份有限公司 | Water-penetrating cooling system |
-
2007
- 2007-01-16 CN CNU2007200663734U patent/CN200998739Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755999A (en) * | 2012-07-05 | 2012-10-31 | 莱芜钢铁集团有限公司 | Interstand cooling device for hot-rolled H-shaped steel |
| CN102755999B (en) * | 2012-07-05 | 2015-06-17 | 莱芜钢铁集团有限公司 | Interstand cooling device for hot-rolled H-shaped steel |
| CN103727103A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Novel high-strength micro-turbulence tube |
| CN104785554A (en) * | 2015-04-24 | 2015-07-22 | 合肥精工导卫配件有限责任公司 | Turbulent eddy tubulature type double-water-supply efficient water-cooling nozzle |
| CN105195535A (en) * | 2015-10-22 | 2015-12-30 | 首钢水城钢铁（集团）有限责任公司 | Cooling device for rolled high-speed wire rod and method thereof |
| CN105195535B (en) * | 2015-10-22 | 2018-07-13 | 首钢水城钢铁（集团）有限责任公司 | A kind of high-speed wire mill roll after cooling device and its method |
| CN105458020A (en) * | 2015-12-18 | 2016-04-06 | 新兴铸管股份有限公司 | Water-penetrating cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20110116 |