CN204769909U - Cold collector device that sprays of hot rolling accuse - Google Patents
Cold collector device that sprays of hot rolling accuse Download PDFInfo
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- CN204769909U CN204769909U CN201520209744.4U CN201520209744U CN204769909U CN 204769909 U CN204769909 U CN 204769909U CN 201520209744 U CN201520209744 U CN 201520209744U CN 204769909 U CN204769909 U CN 204769909U
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Abstract
The utility model provides a cold collector device that sprays of hot rolling accuse, it includes: collector, unhurried current balancing unit, throttle plate, a plurality of reposition of redundant personnel cap, a plurality of fine setting injection part and a plurality of U type pipes sprays, the unhurried current balancing unit parallel mount in the inner chamber of collector sprays, the throttle plate install in sprays at collector upper portion, and it is a plurality of the reposition of redundant personnel cap is with derangement's mode, according to two lines uniformly the embedding be in on the throttle plate, every the reposition of redundant personnel cap all corresponds one intercommunication the one end of U type pipe, and every U type pipe is being kept away from the inside of throttle plate one end all corresponds and sets up a fine setting and spray the part. The utility model discloses improve the cooling of shower effectively and synthesize controllable ability and the identical adaptability of target, realize reaching consistent corresponding controllability through spray set demand and target, reach the homogeneity that satisfies slab band production and cool off the purpose of control.
Description
Technical field
The utility model belongs to the control refrigeration technique field of hot-strip or cut deal, be specifically related to for controlled cooling model after Rolling for Hot Rolled Strip, roll rear strip heat treatment, it is specifically a kind of uniformity requirement controlled to meet strip cooling by the Structure Transformation of collector cavity for TEMPERATURE FOR HOT STRIP LAMINAR chilling spray collector, meanwhile, can according to the different characteristics of strip wide cut cooling to realize a kind of device of width water Crown control.
Background technology
Hot rolling quality strip steel or hot rolled strip production are the key areas in current steel industry, play considerable effect to subsequent production and utilization.Especially more to the demand of hot-strip high-strength steel production, product quality demand is higher, improves the combination property of sheet material with water cash equivalent, has become the active demand that hot rolling is produced, the Important Action of energy-saving and emission-reduction especially.Under the environment day by day competed of current steel market, how improving production technology, reduce production cost, improve steel quality product, is the cardinal task of iron and steel enterprise, and iron and steel enterprise should spare no high price to research and develop new technology, new equipment.
But, at traditional TMCP (ThermoMechanicalControlProcess, in the hot rolling, on the basis of controlled rolling controlling heating-up temperature, rolling temperature and drafts, then the technology general name of air cooling or controlled cooling model and accelerating cooling is implemented.) under, the Pinch technology in TEMPERATURE FOR HOT STRIP LAMINAR cooling production is that even, the cold rear distortion of inhomogeneous cooling is large, plate shape is poor.Although most enterprises all have employed the technology such as edge-masking, the adjustment of collector sectional valve, end to end delays time to control, result of use is all not ideal enough.One is that steel edge portion is excessively cold, even wide cut inhomogeneous cooling and wooden dipper is bent, and two is that buckling deformation is serious end to end.Trace it to its cause and be: such scheme all will not set up the quantitative relation of equivalent between device and cooling object to a certain extent, also comprise because equipment is complicated, operation also convenient not, control inaccurate, cause actual cooling effect not good.Therefore, need to seek the corresponding relation of quantity accurately between spray thrower and cooling object, solve with this problem that even, cold rear distortion of inhomogeneous cooling caused in hot-rolled steel section cooling production process is large, plate shape is poor.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of hot rolling control cold water spray header device, for solve in prior art because of spray thrower device with treat to coordinate between cold belt steel inharmonious, even, the cold rear distortion of inhomogeneous cooling in the TEMPERATURE FOR HOT STRIP LAMINAR cooling production process caused is large, the problem of plate shape difference.
For achieving the above object and other relevant objects, the utility model provides a kind of hot rolling control cold water spray header device, and described hot rolling control cold water spray header device at least comprises: spray thrower, unhurried current bascule, choke block, multiple shunting cap, multiple fine setting injecting-unit and multiple U-tube; The parallel inner chamber being installed on described spray thrower of described unhurried current bascule, described choke block is installed on described spray thrower top, multiple described shunting cap is in the mode of Heterogeneous Permutation, be embedded on described choke block equably by two row, the all corresponding one end being communicated with a described U-tube of each described shunting cap, and each described U-tube arranges a fine setting injecting-unit in the equal correspondence in inside away from described choke block one end.
As a kind of preferred version of hot rolling control cold water spray header device of the present utility model, described hot rolling control cold water spray header device also comprises control valve, and described control valve is arranged on one end of described spray thrower.
As a kind of preferred version of hot rolling control cold water spray header device of the present utility model, described unhurried current bascule is provided with multiple through hole.
As a kind of preferred version of hot rolling control cold water spray header device of the present utility model, the aperture of described through hole presents normal distribution along the width of hot rolled strip, and the distributing position of described through hole presents normal distribution along the width of hot rolled strip.
As a kind of preferred version of hot rolling control cold water spray header device of the present utility model, the size of the pore size of described shunting cap, the distributing position of described shunting cap and described fine setting injecting-unit meets following curvilinear equation, and described curvilinear equation is:
In formula, ω is frame for movement physical dimension influence coefficient;
for the normal Product function of cooling medium material properties; λ (x) is the normal Product function of the dielectric object property coefficient of cooling object; Δ T (x) is the variations in temperature of distance plate width center x distance value,
for the derivative of the temperature change value of distance plate width center x distance value, y (x) is curvilinear equation.
As mentioned above, a kind of hot rolling control cold water spray header device of the present utility model, has following beneficial effect:
First, by installing unhurried current bascule in spray thrower inside, avoiding conventional spray thrower irregular because of internal pressure, causing the phenomenon that spray thrower outlet pressure pulsations is large, the even internal pressure of spray thrower; Secondly, spray thrower is to the control of required cooling water inflow during the wide cut change of band steel, and identical strip self water requirement in the width direction carries out corresponding spraying cooling, meets the Homogeneous cooling demand on strip width direction; Finally, the control valve on spray thrower matches with fine setting injecting-unit, can realize multiple spot vernier control, meet the variety requirement of different size, can use the cooling control overflow of different conditions.
In cooling procedure, look up from plate width side, the shunting cap of described spray thrower and described fine setting injecting-unit wide upwards be distributed as multi-point fitting be similar to smooth curve, the width of spray thrower to strip has stronger identical adaptive capacity, can adapt to the cooling requirement of band; To uniformity and the adaptability of the spraying cooling of raising spray thrower, improve the comprehensive intensity of cooling of spray thrower, there is height practicality.
Accompanying drawing explanation
Fig. 1 is shown as the hot rolling control cold water spray header device structural representation that embodiment of the present utility model provides;
Fig. 2 is shown as the hot rolling control cold water spray header device K direction view that embodiment of the present utility model provides;
Fig. 3 is shown as embodiment of the present utility model and provides the sectional view of the hot rolling control cold water spray header device S-S in Fig. 2;
Fig. 4 is shown as embodiment of the present utility model and provides the sectional view of the hot rolling control cold water spray header device H-H in Fig. 2;
Fig. 5 is shown as embodiment of the present utility model and provides the fitted figure of the hot rolling control cold water spray header device shunting cap bore in Fig. 4.
Element numbers illustrates:
1, spray thrower, 2, U-tube, 3, control valve, 4, unhurried current bascule, 5, choke block, 6, shunting cap, 7, fine setting injecting-unit.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 5.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should drop in scope that technology contents that the utility model discloses can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figures 1 to 4, a kind of hot rolling control cold water spray header device, described hot rolling control cold water spray header device at least comprises: spray thrower 1, unhurried current bascule 4, choke block 5, multiple shunting cap 6, multiple fine setting injecting-unit 7 and multiple U-tube 2; The parallel inner chamber being installed on described spray thrower 1 of described unhurried current bascule 4, described choke block 5 is installed on described spray thrower 1 top, multiple described shunting cap 6 is in the mode of Heterogeneous Permutation, be embedded on described choke block 5 equably by two row, the all corresponding one end being communicated with a described U-tube 2 of each described shunting cap 6, and each described U-tube 2 arranges a fine setting injecting-unit 7 in the equal correspondence in inside away from described choke block 5 one end.
In the present embodiment, wherein, the model of described hot rolling control cold water spray collector is preferably LSD, it is inner that described fine setting injecting-unit 7 hides the one end being installed on described U-tube, described choke block 5 is installed on the top of described spray thrower 1, and described choke block 5 and described unhurried current bascule 4 relative equilibrium, described flow distribution plate 5 is arranged the multiple shunting caps 6 running through it, described U-shaped collector 2 presents arranged opposite between any two, and one end of each described U-tube 2 is all wrapped in a shunting cap 6, make the hydraulic pressure flowing into shunting cap 6 by U-tube 2.
Particularly, described hot rolling control cold water spray header device also comprises control valve 3, and described control valve 3 is arranged on one end of described spray thrower 1.
In the present embodiment, entered the hydraulic pressure size of described spray thrower 1 by described control valve 3 controllable flow, regulate the state of the pressure of described current needed for operator.
Particularly, described unhurried current bascule 4 is provided with some through holes.
In the present embodiment, the aperture of described through hole presents normal distribution along the width of hot rolled strip, and the distributing position of described through hole presents normal distribution along the width of hot rolled strip.
Particularly, described unhurried current bascule 4 is inlayed and is arranged in described spray thrower 1 in the present embodiment, and tiling is installed on described spray thrower 1 inside, under the adjustment of described unhurried current bascule 4, ensure that choke block 5 enters hydraulic pressure and to be evenly distributed fluidised form, when current enter choke block 5, by the balanced action of shunting cap 6 with fine setting injecting-unit 7, current are changed into accurately and treats discharge needed for cold belt steel and streamflow regime, correction can also be carried out by fine setting injecting-unit according to real use state to regulate, to meet the demand of actual production simultaneously.
Known according to the cold theory of control: the injection flow rate of spray thrower 1 and the water-flow equation along width and length direction are the key factors affecting strip spraying cooling, thus be a very important index of cooling control to the cooling uniformity on plate width direction and longitudinal direction, because the injection flow rate nature at middle part spreads along both sides, cause the cooling water inflow at the cooling water inflow of edge and middle part different in theory, if only rely on the integrally-regulated of valve can not be well positioned to meet instructions for use in actual production.The present embodiment is exactly adopt preset value to spray thrower 1, revise adjustable convexity pattern, meets the wide to cooling law of strip spraying cooling.
Simultaneously, the utility model efficient section cooling equipment technology is as the new technique of controlled rolling of new generation and controlled cooling model, combine with traditional TMCP technology, set up rational Comprehensive Control system, the controlled performance of good comprehensive adjustment must be had in the exploitation of equipment itself to solve Traditional control cooling technology, can cool with target and set up one-to-one relationship, reach best cooling heat transferring effect, thus meet the demand accurately controlling producing process of sheet and strip.
Particularly, as shown in Figure 5, for hot rolling control cold water spray collector 1 device shunting cap bore fitted figure in the present embodiment, the size of the pore size of described shunting cap 6, the distributing position of described shunting cap 6 and described fine setting injecting-unit 7 meets following curvilinear equation and determines, described curvilinear equation is:
In formula (1), ω is frame for movement physical dimension influence coefficient;
for the normal Product function of cooling medium material properties; λ (x) is the normal Product function of the dielectric object property coefficient of cooling object; Δ T (x) is the variations in temperature of distance plate width center x distance value,
for the derivative of the temperature change value of distance plate width center x distance value, y (x) is curvilinear equation.
In the present embodiment, the size of the distributing position of described shunting cap 6, described shunting cap 6 pore size and described fine setting injecting-unit 7, can form smooth curve at the wide upwards multi-point fitting of band steel.
The operation principle of described hot rolling control cold water spray header device: when current enter to spray thrower 1, the hydraulic pressure size of described spray thrower 1 is regulated by control valve 3, be adjusted to the water pressure condition needed for described operator, when current are by described unhurried current bascule 4, due to the multiple through holes arranged in circulation bascule, the distributing position of described through hole is normal distribution along the width of hot rolled strip, the pore size of described through hole is also normal distribution along the width of hot rolled strip, cause flowing through hydraulic pressure in described spray thrower 1 by homogenizing, make the hydraulic pressure entering described flow distribution plate in the state of being evenly distributed, when current enter into described flow distribution plate, shunting action is balanced with the fine setting injecting-unit 7 in described U-tube 2 by described shunting cap 6, simultaneously, the size of the distributing position of described shunting cap 6, the aperture location of described shunting cap 6 and described trimming part 7 regulation and control, all according to the curvilinear equation distribution in formula (1), by carrying out preset value to the injection flow rate in spray thrower 1 and water spray position, revise adjustable convexity pattern, current are changed accurately treat into the discharge needed for cold belt steel and streamflow regime, correction can also be carried out by fine setting injecting-unit according to real use state to regulate, to meet the demand of actual production simultaneously.
In sum, first, by installing unhurried current bascule 4 in spray thrower 1 inside, avoiding conventional spray thrower 1 irregular because of internal pressure, causing the phenomenon that spray thrower 1 outlet pressure pulsations is large, the even internal pressure of spray thrower 1; Secondly, spray thrower 1 is to the control of required cooling water inflow during the wide cut change of band steel, and identical strip self water requirement in the width direction carries out corresponding spraying cooling, meets the Homogeneous cooling demand on strip width direction; Finally, the control valve 3 on spray thrower 1 matches with spray thrower 1, can realize multiple spot vernier control, meet the variety requirement of different size, can use the cooling control overflow of different conditions by a pair each fine setting injecting-unit 7.
On described spray thrower 1, newly-increased LSD spray thrower device effectively can improve the comprehensive controlled ability of cooling and the target anastomosis adaptive capacity of shower, realize reaching consistent corresponding control ability by spray equipment requirement objective, reach the object meeting the uniformity cooling control that strip is produced.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (5)
1. a hot rolling control cold water spray header device, is characterized in that, at least comprise:
Spray thrower, unhurried current bascule, choke block, multiple shunting cap, multiple fine setting injecting-unit and multiple U-tube; The parallel inner chamber being installed on described spray thrower of described unhurried current bascule, described choke block is installed on described spray thrower top, multiple described shunting cap is in the mode of Heterogeneous Permutation, be embedded on described choke block equably by two row, the all corresponding one end being communicated with a described U-tube of each described shunting cap, and each described U-tube arranges a fine setting injecting-unit in the equal correspondence in inside away from described choke block one end.
2. hot rolling control cold water spray header device according to claim 1, is characterized in that, described hot rolling control cold water spray header device also comprises control valve, and described control valve is arranged on one end of described spray thrower.
3. hot rolling control cold water spray header device according to claim 1, is characterized in that, described unhurried current bascule is provided with multiple through hole.
4. hot rolling control cold water spray header device according to claim 3, is characterized in that, the aperture of described through hole presents normal distribution along the width of hot rolled strip, and the distributing position of described through hole presents normal distribution along the width of hot rolled strip.
5. hot rolling control cold water spray header device according to claim 1, is characterized in that, the size of the pore size of described shunting cap, the distributing position of described shunting cap and described fine setting injecting-unit meets following curvilinear equation, and described curvilinear equation is:
In formula, ω is frame for movement physical dimension influence coefficient;
for the normal Product function of cooling medium material properties; λ (x) is the normal Product function of the dielectric object property coefficient of cooling object; Δ T (x) is the variations in temperature of distance plate width center x distance value,
for the derivative of the temperature change value of distance plate width center x distance value, y (x) is curvilinear equation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209744.4U CN204769909U (en) | 2015-04-09 | 2015-04-09 | Cold collector device that sprays of hot rolling accuse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520209744.4U CN204769909U (en) | 2015-04-09 | 2015-04-09 | Cold collector device that sprays of hot rolling accuse |
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| CN204769909U true CN204769909U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772353A (en) * | 2015-04-09 | 2015-07-15 | 中冶赛迪工程技术股份有限公司 | Hot-rolling cooling-controlled spray header device and cooling method thereof |
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- 2015-04-09 CN CN201520209744.4U patent/CN204769909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772353A (en) * | 2015-04-09 | 2015-07-15 | 中冶赛迪工程技术股份有限公司 | Hot-rolling cooling-controlled spray header device and cooling method thereof |
| CN104772353B (en) * | 2015-04-09 | 2017-07-28 | 中冶赛迪工程技术股份有限公司 | Hot rolling control cold water spray header device and its cooling means |
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