CN114309501A - Labyrinth non-ferrous metal horizontal continuous casting crystallizer - Google Patents
Labyrinth non-ferrous metal horizontal continuous casting crystallizer Download PDFInfo
- Publication number
- CN114309501A CN114309501A CN202210217094.2A CN202210217094A CN114309501A CN 114309501 A CN114309501 A CN 114309501A CN 202210217094 A CN202210217094 A CN 202210217094A CN 114309501 A CN114309501 A CN 114309501A
- Authority
- CN
- China
- Prior art keywords
- temperature
- data
- delta
- water temperature
- cooling section
- 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.)
- Pending
Links
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The invention relates to a labyrinth non-ferrous metal horizontal continuous casting crystallizer, which relates to the technical field of crystallizers for continuous casting steel, and comprises a pre-cooling section and a main cooling section, wherein the pre-cooling section in the crystallizer is set to be in a labyrinth structure, so that molten steel is fully mixed with protective slag in the crystallizer when the crystallizer cools and performs blank drawing on the molten steel, the efficiency of forming a protective layer by the protective slag is improved, the molten steel is ensured to swirl in the crystallizer, and the molten steel can well be mixed with the protective slag and then flow out under the condition of no vibration or less vibration; the crystallizer is arranged into a pre-cooling section and a main cooling section, and the inside of the pre-cooling section crystallizer is arranged into a labyrinth structure, so that when molten steel flows in the crystallizer, the uniformity of the molten steel is ensured, and the casting powder and the molten steel are uniformly mixed, thereby improving the quality of castings.
Description
Technical Field
The invention relates to the technical field of crystallizers for continuous casting of steel, in particular to a labyrinth type nonferrous metal horizontal continuous casting crystallizer.
Background
The crystallizer is a continuous casting equipment which receives the molten steel from the intermediate tank and makes it solidify into a firm shell according to the specified cross-section shape, and is the most critical part of the continuous casting machine, and the structure, material and performance parameters of the crystallizer play a decisive role in the quality of the casting blank and the production capacity of the casting machine.
The protective effect has been strengthened when using to current jar body, reduces its damage, has prolonged its life, and the kneck is equipped with the sealing washer, is convenient for seal its exit, reduces the backward flow institute, makes its improvement work efficiency to its control panel's protection simultaneously, has kept the brand-new degree of outward appearance, has strengthened the practicality of motor.
However, in the casting process of the existing crystallizer, the interior of the crystallizer is of a straight-cylinder structure or a conical structure, the structure of the existing crystallizer is not beneficial to internal circulation of molten steel during casting, a stirring device needs to be additionally arranged in the crystallizer, a vibration device needs to be additionally arranged outside the crystallizer, so that molten steel vortex is formed in the crystallizer, and a stop block is additionally arranged at a molten steel inlet of the crystallizer so that molten steel vortex is formed in the crystallizer in the prior art.
Disclosure of Invention
Therefore, the invention provides a labyrinth non-ferrous metal horizontal continuous casting crystallizer which is used for solving the problem that the quality of a casting piece is reduced because the forming process of a casting blank cannot be accurately controlled in the prior art.
In order to achieve the above object, the present invention provides a labyrinth type nonferrous metal horizontal continuous casting mold, comprising:
the precooling section comprises a first shell, a liquid injection port, a water outlet, a first temperature sensor and a controller which are arranged on the side wall of the first shell, a first copper pipe arranged in the shell, a cooling water pipeline arranged between the first shell and the first copper pipe, and a first water pump arranged at the end part of the first shell, wherein the first shell, the first copper pipe and the cooling water pipeline jointly form a precooling section with a labyrinth structure inside, and the liquid injection port is also provided with a second temperature sensor;
the main cooling section is arranged at one end, far away from the pre-cooling section of the first water pump, and fixedly connected with the pre-cooling section, the main cooling section comprises a second shell, a second copper pipe arranged in the second shell, a cooling water pipeline arranged between the second shell and the second copper pipe, a second water pump and an infrared thermometer arranged on the side wall of the second shell, the cooling water pipeline between the second shell and the second copper pipe is a circulating pipeline which surrounds the second copper pipe, and one end, far away from the pre-cooling section, of the main cooling section is of a conical structure;
the controller is internally provided with a data acquisition module for acquiring data during blank drawing, a data analysis module for analyzing the acquired data, a data determination module for controlling the temperature and the water flow rate of a pre-cooling section and a main cooling section in the blank drawing process, and a data adjustment module for adjusting the blank drawing data according to the analysis result of the data analysis module, wherein the data analysis module is respectively connected with the data acquisition module, the data determination module and the data adjustment module, and the data adjustment module is also connected with the data determination module.
Further, when the data obtaining module is used for injecting molten steel into the crystallizer, the data determining module is used for primarily determining the water temperature of the pre-cooling section according to the molten steel temperature G obtained by the data obtaining module, the data determining module is provided with a first preset molten steel temperature G1, a second molten steel temperature G2, a third molten steel temperature G3, a second pre-cooling section water temperature Ta1, a second pre-cooling section water temperature Ta2 and a third pre-cooling section water temperature Ta3, wherein G1 is less than G2 and less than G3, Ta1 is greater than Ta2 and greater than Ta3,
when G is less than or equal to G1, the data determination module sets the pre-cooling water temperature to a first pre-cooling water temperature Ta 1;
when G1 < G ≦ G2, the data determination module sets the pre-cooling water temperature to a second pre-cooling water temperature Ta 2;
when G2 < G ≦ G3, the data determination module sets the pre-cooling water temperature to the first pre-cooling water temperature Ta 3;
further, the data determination module is further configured to set the pump pressures of the pre-cooling section and the main cooling section to a first pump pressure P1 when determining the pre-cooling section water temperature and the main cooling section water temperature is complete.
Further, when the data determination module sets the pre-cooling water temperature as the ith pre-cooling water temperature Tai and when the molten steel flows to the end of the pre-cooling section, i =1, 2, 3 is set, a first temperature T1 detected by a first temperature sensor at the end of the pre-cooling section and a second temperature T2 of a second temperature sensor at the liquid injection port are acquired, a temperature difference Δ T between the first temperature T1 and the second temperature T2 is calculated, Δ T = T2-T1 is set, the data analysis module compares the temperature difference Δ T with a preset temperature difference Δ T0 and determines whether to adjust the pre-cooling water temperature according to the comparison result,
if the delta T is larger than or equal to the delta T0, the data analysis module judges that the water temperature of the pre-cooling section is adjusted;
if the delta T is less than the delta T0, the data analysis module judges that the water temperature of the pre-cooling section is not adjusted;
further, the data adjusting module is used for calculating a ratio B of the temperature difference value delta T to a temperature difference of a preset temperature difference value delta T0 when the data analyzing module judges that the pre-cooling water temperature is adjusted, selecting a corresponding water temperature adjusting coefficient according to a comparison result of the ratio of the temperature difference value delta T to the preset temperature difference value to adjust the pre-cooling water temperature,
the data adjusting module is provided with a first temperature difference ratio B1, a second temperature difference ratio B2, a third temperature difference ratio B3, a first water temperature adjusting coefficient Ks1, a second water temperature adjusting coefficient Ks2 and a third water temperature adjusting coefficient Ks3, wherein B1 < B2 < B3, 1 < Ks1 < Ks2 < Ks3 < 1.5,
when B is less than or equal to B1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the water temperature of the pre-cooling section;
when B is more than B1 and less than or equal to B2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the water temperature of the pre-cooling section;
when B is more than B2 and less than or equal to B3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the water temperature of the pre-cooling section;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the water temperature of the pre-cooling section, the data adjusting module sets the adjusted water temperature of the pre-cooling section as Ta ', and sets Ta' = Tai multiplied by Ksj.
Further, the data determining module is further configured to determine the temperature of the main cooling water according to the comparison result between the first temperature T1 and the preset end temperature when the obtaining module obtains the first temperature T1,
the data determination module is provided with a first preset tail end temperature Ty1, a second preset tail end temperature Ty2, a third preset tail end temperature Ty3, a first main cold section water temperature Tb1, a second main cold section water temperature Tb2 and a third main cold section water temperature Tb3, wherein delta Tb1 is less than delta Tb2 is less than delta Tb3, Tb1 is greater than Tb2 is greater than Tb3,
when T1 is less than or equal to Ty1, the data determination module sets the main cold section water temperature to a first main cold section water temperature Tb 1;
when Ty1 < T1 < Ty2, the data determination module sets the main cold section water temperature to a second main cold section water temperature Tb 2;
when Ty2 < T1 ≦ Ty1, the data determination module sets the primary cold section water temperature to a third primary cold section water temperature Tb 3.
Further, the data adjusting module is further configured to calculate a comparison result between the blank drawing temperature Tc detected by the third temperature sensor and the preset blank drawing temperature range Tc0, which is obtained by the data obtaining module, when the foot roll performs blank drawing, and determine to adjust the temperature of the main cooling section water or the pressure of the pump, wherein the preset blank drawing temperature range Tc0 includes a preset minimum blank drawing temperature Tcmin and a preset maximum blank drawing temperature Tcmax,
if the Tc belongs to Tc0, the data adjusting module judges that the temperature and/or the pump pressure of the main cooling section are not adjusted;
if Tc is less than Tcmin, the data adjusting module judges that the temperature of the main cooling section water is adjusted;
and if Tc is more than Tcmax, the data adjusting module judges that the pump pressure of the main cooling section is adjusted.
Further, the data adjusting module is further used for calculating a first drawing temperature difference value delta Tca between the drawing temperature Tc and the preset minimum drawing temperature Tcmin when the adjustment of the main cooling section water temperature is judged, selecting a corresponding water temperature adjusting coefficient according to the comparison result of the first drawing temperature difference value delta Tca and the preset drawing temperature difference value to adjust the main cooling section water temperature,
the data adjusting module is also provided with a first preset throwing temperature difference delta Tc1, a second preset throwing temperature difference delta Tc2 and a third preset throwing temperature difference delta Tc3, wherein delta Tc1 is more than delta Tc2 and less than delta Tc3,
when the delta Tca is less than or equal to the delta Tc1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the temperature of the main cooling water;
when the delta Tc1 is larger than the delta Tca and is not larger than the delta Tc2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the temperature of the main cooling section water;
when the delta Tc2 is larger than the delta Tca and is not larger than the delta Tc3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the temperature of the main cold section water;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the temperature of the main cooling water, j =1, 2, 3 is set, the data adjusting module sets the adjusted temperature of the main cooling water to Tb ', and sets Tb' = Tbn × Ksj, wherein n =1, 2, 3.
Further, the data adjusting module is also used for calculating a second drawing temperature difference value delta Tcb between the drawing temperature Tc and the preset maximum drawing temperature Tcmax when judging to adjust the main cooling section pump pressure, and selecting a corresponding pump pressure adjusting coefficient according to the comparison result of the second drawing temperature difference value delta Tcb and the preset drawing temperature difference value to adjust the main cooling section pump pressure,
the data regulating module is also provided with a first pump pressure regulating coefficient Kp1, a second pump pressure regulating coefficient Kp2 and a third pump pressure regulating coefficient Kp3, 1 is more than Kp1 is more than Kp2 is more than Kp3 is less than 1.2,
when the delta Tcb is less than or equal to the delta Tc1, the data adjusting module selects a first pump pressure adjusting coefficient Kp1 to adjust the pump pressure of the main cooling section;
when the delta Tc1 is larger than the delta Tcb and is not larger than the delta Tc2, the data adjusting module selects a second pump pressure adjusting coefficient Kp2 to adjust the pump pressure of the main cooling section;
when the delta Tc2 is larger than the delta Tcb and is not larger than the delta Tc3, the data adjusting module selects a third pump pressure adjusting coefficient Kp3 to adjust the pump pressure of the main cooling section;
when the data adjusting module selects the u-th pump pressure adjusting coefficient Kpu to adjust the main cold section pump pressure, setting u =1, 2 and 3, and the data adjusting module sets the adjusted main cold section pump pressure as P2 and sets P2= P1 multiplied by Kpu.
Further, the data acquisition module is also used for calculating the thickness D of the casting blank covering slag during blank drawing, the data analysis module determines whether to correct the temperature of the pre-cooling water or the pressure of the pump according to the comparison result of the thickness D of the casting blank covering slag and a preset covering slag thickness range D0, wherein the preset covering slag thickness range comprises a preset minimum covering slag thickness Dmin and a preset maximum covering slag thickness Dmax,
if D belongs to D0, the data analysis module judges that the temperature and/or the pump pressure of the pre-cooling section are not corrected;
if D is less than Dmin, the data analysis module judges that the pump pressure of the pre-cooling section is corrected;
and if D is larger than max, the data analysis module judges that the temperature of the pre-cooling section water is corrected.
Further, the data adjusting module is further used for calculating a first thickness difference value delta Da between the thickness D of the covering slag and the preset minimum thickness Dmin when the data analyzing module judges that the pre-cooling section pump pressure is corrected, selecting a corresponding pump pressure correction coefficient according to the comparison result of the first thickness difference value and the preset thickness difference value to correct the pre-cooling section pump pressure,
specifically, the data adjusting module is further provided with a first preset thickness difference value delta D1, a second preset thickness difference value delta D2, a third preset thickness difference value delta D3, a first pump pressure correction coefficient Xp1, a second pump pressure correction coefficient Xp2 and a third pump pressure correction coefficient Xp3, wherein delta D1 is larger than delta D2 is smaller than delta D3, 0.5 is larger than Xp3 is smaller than Xp2 is smaller than Xp1 is smaller than 1,
when the delta Da is less than or equal to the delta D1, the data adjusting module selects a first pump pressure correction coefficient Xp1 to correct the pre-cooling stage pump pressure;
when the delta D1 is larger than the delta Da and is smaller than or equal to the delta D2, the data adjusting module selects a second pump pressure correction coefficient Xp2 to correct the pump pressure of the pre-cooling section;
when the delta D2 is larger than the delta Da and is smaller than or equal to the delta D3, the data adjusting module selects a third pump pressure correction coefficient Xp3 to correct the pump pressure of the pre-cooling section;
and when the data adjusting module selects the e-th pump pressure correction coefficient Xpe to correct the pre-cooling section pump pressure, setting e =1, 2 and 3, and the data adjusting module sets the corrected pre-cooling section pump pressure as P3 and sets P3= P1 Xxpe.
Further, the data adjusting module is further used for calculating a second thickness difference value delta Db between the thickness D of the covering slag and the preset maximum thickness Dmax of the covering slag when the data analyzing module judges that the pre-cooling section pump pressure is corrected, selecting a corresponding water temperature correction coefficient according to the comparison result of the first thickness difference value and the preset thickness difference value to correct the water temperature of the pre-cooling section,
the data adjusting module is also provided with a first water temperature correction coefficient Xs1, a second water temperature correction coefficient Xs2 and a third water temperature correction coefficient Xs3, setting 1 < Xs1 < Xs2 < Xs3 < 1.5,
when the delta Db is less than or equal to the delta D1, the data adjusting module selects a first water temperature correction coefficient Xs1 to correct the temperature of the pre-cooling water section;
when the delta D1 is larger than the delta Db and is not larger than the delta D2, the data adjusting module selects a second water temperature correction coefficient Xs2 to correct the water temperature of the pre-cooling section;
when the delta D2 is larger than the delta Db and is smaller than or equal to the delta D3, the data adjusting module selects a third water temperature correction coefficient Xs3 to correct the water temperature of the pre-cooling section;
when the data adjustment module selects the z-th pump pressure correction coefficient Xpz to correct the pre-cooler pump pressure, setting z =1, 2, 3, the data adjustment module sets the corrected pre-cooler water temperature to Ta ' ″, setting Ta ' = Ta ' × Xpz.
Compared with the prior art, the invention has the beneficial effects that the inner part of the crystallizer is arranged into the labyrinth structure, so that the molten steel is fully mixed with the covering slag in the crystallizer when the crystallizer is used for cooling and throwing the molten steel, the efficiency of forming a protective layer by the covering slag is improved, the molten steel is ensured to swirl in the crystallizer, and the molten steel can be well mixed with the covering slag and then flows out under the condition of no vibration or less vibration of the crystallizer.
Particularly, the crystallizer is arranged into a pre-cooling section and a main cooling section, and the inside of the pre-cooling section crystallizer is arranged into a labyrinth structure, so that when molten steel flows in the crystallizer, the uniformity of the molten steel is ensured, and the casting powder and the molten steel are uniformly mixed, thereby improving the quality of castings.
Furthermore, by setting a plurality of preset molten steel temperatures and pre-cooling section water temperatures and determining the pre-cooling section water temperature according to the comparison result of the actually measured molten steel temperature and the preset molten steel temperatures, the accurate control of the water temperature of the crystallizer in the casting blank process is improved.
And further, the control precision of the crystallizer is further improved by calculating the difference between the temperature of the liquid injection port of the pre-cooling section and the temperature at the tail end of the pre-cooling section and determining whether to primarily adjust the temperature of the pre-cooling section according to the comparison result of the difference and a plurality of preset temperature differences, so that the quality of the casting is further improved.
Furthermore, the data adjusting module is provided with a plurality of preset temperature difference ratios and water temperature adjusting coefficients, and when the preliminary adjustment of the water temperature is determined, the corresponding water temperature adjusting coefficients are selected according to the comparison result of the actual water temperature difference ratios and the plurality of preset temperature difference ratios to adjust the water temperature of the pre-cooling section, so that the control precision of the crystallizer is further improved, and the quality of the casting is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a horizontal continuous casting crystallizer for non-ferrous metals of the labyrinth type according to the present invention;
FIG. 2 is a bottom view of the structure of the pre-cooling section of the horizontal continuous casting crystallizer for labyrinth nonferrous metals according to the present invention;
FIG. 3 is a logic block diagram of a controller of the labyrinth type nonferrous metal horizontal continuous casting crystallizer.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, fig. 1 is a schematic view of the overall structure of the labyrinth type nonferrous metal horizontal continuous casting crystallizer according to the present invention; FIG. 2 is a bottom view of the structure of the pre-cooling section of the horizontal continuous casting crystallizer for labyrinth nonferrous metals according to the present invention; FIG. 3 is a logic block diagram of a controller of the labyrinth type nonferrous metal horizontal continuous casting crystallizer.
The embodiment of the invention provides a labyrinth type nonferrous metal horizontal continuous casting crystallizer, which comprises:
the precooling section 1 comprises a first shell 11, a liquid injection port 3, a water outlet 4, a first temperature sensor 5 and a controller 6 which are arranged on the side wall of the first shell, a first copper pipe 7 arranged in the first shell 11, a cooling water pipeline 8 arranged between the first shell 11 and the first copper pipe 7, and a first water pump 9 arranged at the end part of the first shell 11, wherein the first shell 11, the first copper pipe 7 and the cooling water pipeline 8 jointly form the precooling section 1 with a labyrinth structure inside, and the liquid injection port 3 is also provided with a second temperature sensor 10;
the main cold section 2 is arranged at one end of the pre-cooling section 1 far away from the first water pump 9 and fixedly connected with the pre-cooling section 1, the main cold section 2 comprises a second shell 12, a second copper pipe (not shown in the figure) arranged inside the second shell 12, a cooling water pipeline (not shown in the figure) arranged between the second shell 12 and the second copper pipe, a second water pump 13 and an infrared thermometer 14 arranged on the side wall of the second shell 12, the cooling water pipeline between the second shell 12 and the second copper pipe is a circulating pipeline surrounding the second copper pipe, and one end of the main cold section 2 far away from the pre-cooling section 1 is of a conical structure;
the side wall of the liquid injection port of the pre-cooling section is also connected with a covering slag inlet (not shown in the figure) for adding the covering slag into the crystallizer during blank drawing.
The controller is internally provided with a data acquisition module for acquiring data during blank drawing, a data analysis module for analyzing the acquired data, a data determination module for controlling the temperature and the water flow rate of a pre-cooling section and a main cooling section in the blank drawing process, and a data adjustment module for adjusting the blank drawing data according to the analysis result of the data analysis module, wherein the data analysis module is respectively connected with the data acquisition module, the data determination module and the data adjustment module, and the data adjustment module is also connected with the data determination module.
Specifically, the inner part of the crystallizer is arranged into a labyrinth structure, so that molten steel is fully mixed with the covering slag in the crystallizer when the crystallizer is used for cooling and throwing the molten steel, the efficiency of forming a protective layer by the covering slag is improved, the molten steel is ensured to swirl in the crystallizer, and the crystallizer can be well mixed with the covering slag and then flows out under the condition of no vibration or less vibration.
Particularly, the crystallizer is arranged into a pre-cooling section and a main cooling section, and the inside of the pre-cooling section crystallizer is arranged into a labyrinth structure, so that when molten steel flows in the crystallizer, the uniformity of the molten steel is ensured, and the casting powder and the molten steel are uniformly mixed, thereby improving the quality of castings.
Specifically, when molten steel is poured into the crystallizer, the data determination module is used for primarily determining the water temperature of the pre-cooling section according to the molten steel temperature G obtained by the data acquisition module, and the data determination module is provided with a first preset molten steel temperature G1, a second molten steel temperature G2, a third molten steel temperature G3, a second pre-cooling section water temperature Ta1, a second pre-cooling section water temperature Ta2 and a third pre-cooling section water temperature Ta3, wherein G1 < G2 < G3, Ta1 > Ta2 > Ta3,
when G is less than or equal to G1, the data determination module sets the pre-cooling water temperature to a first pre-cooling water temperature Ta 1;
when G1 < G ≦ G2, the data determination module sets the pre-cooling water temperature to a second pre-cooling water temperature Ta 2;
when G2 < G ≦ G3, the data determination module sets the pre-cooling water temperature to the first pre-cooling water temperature Ta 3.
Specifically, a plurality of preset molten steel temperatures and pre-cooling section water temperatures are set, and the pre-cooling section water temperatures are determined according to the comparison result of the actually measured molten steel temperatures and the preset molten steel temperatures, so that the accurate control of the water temperature of a crystallizer in the casting blank process is improved.
Specifically, when the data determination module sets the pre-cooling water temperature to the i-th pre-cooling water temperature Tai and when the molten steel flows to the end of the pre-cooling section, i =1, 2, 3 is set, a first temperature T1 detected by a first temperature sensor at the end of the pre-cooling section and a second temperature T2 of a second temperature sensor at the liquid injection port are acquired, a temperature difference Δ T between the first temperature T1 and the second temperature T2 is calculated, and Δ T = T2-T1 is set, the data analysis module compares the temperature difference Δ T with a preset temperature difference Δ T0 and determines whether to adjust the pre-cooling water temperature according to the comparison result,
if the delta T is larger than or equal to the delta T0, the data analysis module judges that the water temperature of the pre-cooling section is adjusted;
if delta T is less than delta T0, the data analysis module determines that the pre-cooling water temperature is not adjusted.
Specifically, the temperature of the liquid injection port and the temperature of the tail end of the pre-cooling section are calculated, and whether the temperature of the pre-cooling section is preliminarily adjusted or not is determined according to the comparison result of the difference and a plurality of preset temperature differences, so that the control precision of the crystallizer is further improved, and the quality of castings is further improved.
Specifically, the data adjusting module is used for calculating a temperature difference ratio B between a temperature difference value delta T and a preset temperature difference value delta T0 when the data analyzing module judges that the pre-cooling section water temperature is adjusted, and selecting a corresponding water temperature adjusting coefficient according to a comparison result of the temperature difference ratio and the preset temperature difference value to adjust the pre-cooling section water temperature,
the data adjusting module is provided with a first temperature difference ratio B1, a second temperature difference ratio B2, a third temperature difference ratio B3, a first water temperature adjusting coefficient Ks1, a second water temperature adjusting coefficient Ks2 and a third water temperature adjusting coefficient Ks3, wherein B1 < B2 < B3, 1 < Ks1 < Ks2 < Ks3 < 1.5,
when B is less than or equal to B1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the water temperature of the pre-cooling section;
when B is more than B1 and less than or equal to B2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the water temperature of the pre-cooling section;
when B is more than B2 and less than or equal to B3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the water temperature of the pre-cooling section;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the water temperature of the pre-cooling section, the data adjusting module sets the adjusted water temperature of the pre-cooling section as Ta ', and sets Ta' = Tai multiplied by Ksj.
Specifically, the data adjusting module is provided with a plurality of preset temperature difference ratios and water temperature adjusting coefficients, and when the water temperature is determined to be preliminarily adjusted, the corresponding water temperature adjusting coefficients are selected according to the comparison result of the actual water temperature difference ratios and the preset temperature difference ratios to adjust the water temperature of the pre-cooling section, so that the control precision of the crystallizer is further improved, and the quality of the casting is further improved.
In the labyrinth non-ferrous metal horizontal continuous casting crystallizer of the real-time embodiment of the invention, the data determination module is further configured to determine the temperature of the main cooling section water according to the comparison result between the first temperature T1 and the preset terminal temperature when the acquisition module finishes acquiring the first temperature T1,
the data determination module is provided with a first preset tail end temperature Ty1, a second preset tail end temperature Ty2, a third preset tail end temperature Ty3, a first main cold section water temperature Tb1, a second main cold section water temperature Tb2 and a third main cold section water temperature Tb3, wherein delta Tb1 is less than delta Tb2 is less than delta Tb3, Tb1 is greater than Tb2 is greater than Tb3,
when T1 is less than or equal to Ty1, the data determination module sets the main cold section water temperature to a first main cold section water temperature Tb 1;
when Ty1 < T1 < Ty2, the data determination module sets the main cold section water temperature to a second main cold section water temperature Tb 2;
when Ty2 < T1 ≦ Ty1, the data determination module sets the primary cold section water temperature to a third primary cold section water temperature Tb 3.
Specifically, the temperature of the main cooling section water is determined according to the comparison result of the temperature of the molten steel at the tail end of the pre-cooling section and the preset tail end temperatures when the molten steel enters the main cooling section, so that the control precision of a crystallizer is further improved, and the quality of castings is further improved.
The data determination module is further configured to set the pump pressures of the pre-cooling section and the main cooling section to a first pump pressure P1 when determining the pre-cooling section water temperature and the main cooling section water temperature is complete.
Specifically, the data adjusting module is further configured to calculate a comparison result between the blank drawing temperature Tc detected by the third temperature sensor and obtained by the data obtaining module and a preset blank drawing temperature range Tc0 to determine to adjust the temperature of the main cooling section water or the pressure of the pump when the full-length roll blank is drawn, wherein the preset blank drawing temperature range Tc0 includes a preset minimum blank drawing temperature Tcmin and a preset maximum blank drawing temperature Tcmax,
if the Tc belongs to Tc0, the data adjusting module judges that the temperature and/or the pump pressure of the main cooling section are not adjusted;
if Tc is less than Tcmin, the data adjusting module judges that the temperature of the main cooling section water is adjusted;
and if Tc is more than Tcmax, the data adjusting module judges that the pump pressure of the main cooling section is adjusted.
Specifically, the preset throwing temperature range is set in the data adjusting module, and whether the pressure or the temperature of the main cooling section pump is adjusted or not is determined according to the comparison result of the actual throwing temperature and the preset throwing temperature during throwing, so that the control precision of the crystallizer is further improved, and the quality of the castings is further improved.
Specifically, the data adjusting module is further configured to calculate a first drawing temperature difference Δ Tca between the drawing temperature Tc and a preset minimum drawing temperature Tcmin when the adjustment of the main cooling water temperature is determined, select a corresponding water temperature adjusting coefficient according to a comparison result between the first drawing temperature difference Δ Tca and the preset drawing temperature difference to adjust the main cooling water temperature,
the data adjusting module is also provided with a first preset throwing temperature difference delta Tc1, a second preset throwing temperature difference delta Tc2 and a third preset throwing temperature difference delta Tc3, wherein delta Tc1 is more than delta Tc2 and less than delta Tc3,
when the delta Tca is less than or equal to the delta Tc1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the temperature of the main cooling water;
when the delta Tc1 is larger than the delta Tca and is not larger than the delta Tc2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the temperature of the main cooling section water;
when the delta Tc2 is larger than the delta Tca and is not larger than the delta Tc3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the temperature of the main cold section water;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the temperature of the main cooling water, j =1, 2, 3 is set, the data adjusting module sets the adjusted temperature of the main cooling water to Tb ', and sets Tb' = Tbn × Ksj, wherein n =1, 2, 3.
Specifically, the data adjusting module is further configured to calculate a second drawing temperature difference Δ Tcb between the drawing temperature Tc and a preset maximum drawing temperature Tcmax when determining to adjust the main cooling stage pump pressure, and select a corresponding pump pressure adjusting coefficient to adjust the main cooling stage pump pressure according to a comparison result between the second drawing temperature difference Δ Tcb and the preset drawing temperature difference,
the data regulating module is also provided with a first pump pressure regulating coefficient Kp1, a second pump pressure regulating coefficient Kp2 and a third pump pressure regulating coefficient Kp3, 1 is more than Kp1 is more than Kp2 is more than Kp3 is less than 1.2,
when the delta Tcb is less than or equal to the delta Tc1, the data adjusting module selects a first pump pressure adjusting coefficient Kp1 to adjust the pump pressure of the main cooling section;
when the delta Tc1 is larger than the delta Tcb and is not larger than the delta Tc2, the data adjusting module selects a second pump pressure adjusting coefficient Kp2 to adjust the pump pressure of the main cooling section;
when the delta Tc2 is larger than the delta Tcb and is not larger than the delta Tc3, the data adjusting module selects a third pump pressure adjusting coefficient Kp3 to adjust the pump pressure of the main cooling section;
when the data adjusting module selects the u-th pump pressure adjusting coefficient Kpu to adjust the main cold section pump pressure, setting u =1, 2 and 3, and the data adjusting module sets the adjusted main cold section pump pressure as P2 and sets P2= P1 multiplied by Kpu.
Specifically, a plurality of pump pressure adjusting coefficients are set in the data adjusting module, and when the pump pressure is judged to be adjusted according to the comparison result of the actual throwing temperature and the preset throwing temperature, the pump pressure is adjusted according to the comparison result of the difference value of the throwing temperature and the preset throwing temperature so as to increase the water flow rate, the control precision of the crystallizer is further improved, and the quality of the casting is further improved.
Specifically, the data acquisition module is further configured to calculate a mold flux thickness D of the casting slab during blank drawing, the data analysis module determines whether to correct the pre-cooling water temperature or the pump pressure according to a comparison result between the mold flux thickness D and a preset mold flux thickness range D0, wherein the preset mold flux thickness range includes a preset minimum mold flux thickness Dmin and a preset maximum mold flux thickness Dmax,
if D belongs to D0, the data analysis module judges that the temperature and/or the pump pressure of the pre-cooling section are not corrected;
if D is less than Dmin, the data analysis module judges that the pump pressure of the pre-cooling section is corrected;
and if D is larger than max, the data analysis module judges that the temperature of the pre-cooling section water is corrected.
Specifically, the data adjusting module is further configured to calculate a first thickness difference Δ Da between the mold flux thickness D and a preset minimum mold flux thickness Dmin when the data analyzing module determines to correct the pre-cooling-stage pump pressure, and select a corresponding pump pressure correction coefficient to correct the pre-cooling-stage pump pressure according to a comparison result between the first thickness difference and the preset thickness difference,
specifically, the data adjusting module is further provided with a first preset thickness difference value delta D1, a second preset thickness difference value delta D2, a third preset thickness difference value delta D3, a first pump pressure correction coefficient Xp1, a second pump pressure correction coefficient Xp2 and a third pump pressure correction coefficient Xp3, wherein delta D1 is larger than delta D2 is smaller than delta D3, 0.5 is larger than Xp3 is smaller than Xp2 is smaller than Xp1 is smaller than 1,
when the delta Da is less than or equal to the delta D1, the data adjusting module selects a first pump pressure correction coefficient Xp1 to correct the pre-cooling stage pump pressure;
when the delta D1 is larger than the delta Da and is smaller than or equal to the delta D2, the data adjusting module selects a second pump pressure correction coefficient Xp2 to correct the pump pressure of the pre-cooling section;
when the delta D2 is larger than the delta Da and is smaller than or equal to the delta D3, the data adjusting module selects a third pump pressure correction coefficient Xp3 to correct the pump pressure of the pre-cooling section;
and when the data adjusting module selects the e-th pump pressure correction coefficient Xpe to correct the pre-cooling section pump pressure, setting e =1, 2 and 3, and the data adjusting module sets the corrected pre-cooling section pump pressure as P3 and sets P3= P1 Xxpe.
Specifically, the data adjusting module is further configured to calculate a second thickness difference Δ Db between the mold flux thickness D and a preset maximum mold flux thickness Dmax when the data analyzing module determines to correct the pre-cooling pump pressure, and select a corresponding water temperature correction coefficient to correct the water temperature of the pre-cooling section according to a comparison result between the first thickness difference and the preset thickness difference,
the data adjusting module is also provided with a first water temperature correction coefficient Xs1, a second water temperature correction coefficient Xs2 and a third water temperature correction coefficient Xs3, setting 1 < Xs1 < Xs2 < Xs3 < 1.5,
when the delta Db is less than or equal to the delta D1, the data adjusting module selects a first water temperature correction coefficient Xs1 to correct the temperature of the pre-cooling water section;
when the delta D1 is larger than the delta Db and is not larger than the delta D2, the data adjusting module selects a second water temperature correction coefficient Xs2 to correct the water temperature of the pre-cooling section;
when the delta D2 is larger than the delta Db and is smaller than or equal to the delta D3, the data adjusting module selects a third water temperature correction coefficient Xs3 to correct the water temperature of the pre-cooling section;
when the data adjustment module selects the z-th pump pressure correction coefficient Xpz to correct the pre-cooler pump pressure, setting z =1, 2, 3, the data adjustment module sets the corrected pre-cooler water temperature to Ta ' ″, setting Ta ' = Ta ' × Xpz.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A labyrinth type nonferrous metal horizontal continuous casting crystallizer is characterized by comprising:
the precooling section comprises a first shell, a liquid injection port, a water outlet, a first temperature sensor and a controller which are arranged on the side wall of the first shell, a first copper pipe arranged in the shell, a cooling water pipeline arranged between the first shell and the first copper pipe, and a first water pump arranged at the end part of the first shell, wherein the first shell, the first copper pipe and the cooling water pipeline jointly form a precooling section with a labyrinth structure inside, and the liquid injection port is also provided with a second temperature sensor;
the main cooling section is arranged at one end, far away from the pre-cooling section of the first water pump, and fixedly connected with the pre-cooling section, the main cooling section comprises a second shell, a second copper pipe arranged in the second shell, a cooling water pipeline arranged between the second shell and the second copper pipe, a second water pump and an infrared thermometer arranged on the side wall of the second shell, the cooling water pipeline between the second shell and the second copper pipe is a circulating pipeline which surrounds the second copper pipe, and one end, far away from the pre-cooling section, of the main cooling section is of a conical structure;
the controller is internally provided with a data acquisition module for acquiring data during blank drawing, a data analysis module for analyzing the acquired data, a data determination module for controlling the temperature and the water flow rate of a pre-cooling section and a main cooling section in the blank drawing process, and a data adjustment module for adjusting the blank drawing data according to the analysis result of the data analysis module, wherein the data analysis module is respectively connected with the data acquisition module, the data determination module and the data adjustment module, and the data adjustment module is also connected with the data determination module.
2. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 1, wherein the data acquisition module is used to determine the water temperature of the pre-cooling section according to the temperature G of the molten steel acquired by the data acquisition module when the molten steel is poured into the crystallizer, the data determination module is provided with a first preset molten steel temperature G1, a second molten steel temperature G2, a third molten steel temperature G3, a second pre-cooling section water temperature Ta1, a second pre-cooling section water temperature Ta2 and a third pre-cooling section water temperature Ta3, wherein G1 < G2 < G3, Ta1 > Ta2 > Ta3,
when G is less than or equal to G1, the data determination module sets the pre-cooling water temperature to a first pre-cooling water temperature Ta 1;
when G1 < G ≦ G2, the data determination module sets the pre-cooling water temperature to a second pre-cooling water temperature Ta 2;
when G2 < G ≦ G3, the data determination module sets the pre-cooling water temperature to the first pre-cooling water temperature Ta 3;
the data determination module is further configured to set the pump pressures of the pre-cooling section and the main cooling section to a first pump pressure P1 when determining the pre-cooling section water temperature and the main cooling section water temperature is complete.
3. The labyrinth non-ferrous metal horizontal continuous casting mold as set forth in claim 1, wherein when the data determination module sets the pre-cooling water temperature as the ith pre-cooling water temperature Tai and when the molten steel flows to the end of the pre-cooling section, i =1, 2, 3 is set, a first temperature T1 detected by a first temperature sensor at the end of the pre-cooling section and a second temperature T2 of a second temperature sensor at the injection port are acquired, and a temperature difference Δ T between the first temperature T1 and the second temperature T2 is calculated, and Δ T = T2-T1 is set, the data analysis module compares the temperature difference Δ T with a preset temperature difference Δ T0 and determines whether to adjust the pre-cooling water temperature according to the comparison result,
if the delta T is larger than or equal to the delta T0, the data analysis module judges that the water temperature of the pre-cooling section is adjusted;
if the delta T is less than the delta T0, the data analysis module judges that the water temperature of the pre-cooling section is not adjusted;
the data adjusting module is used for calculating the ratio B of the temperature difference delta T to the temperature difference of the preset temperature difference delta T0 when the data analyzing module judges that the water temperature of the pre-cooling section is adjusted, selecting a corresponding water temperature adjusting coefficient according to the comparison result of the ratio of the temperature difference delta T to the preset temperature difference to adjust the water temperature of the pre-cooling section,
the data adjusting module is provided with a first temperature difference ratio B1, a second temperature difference ratio B2, a third temperature difference ratio B3, a first water temperature adjusting coefficient Ks1, a second water temperature adjusting coefficient Ks2 and a third water temperature adjusting coefficient Ks3, wherein B1 < B2 < B3, 1 < Ks1 < Ks2 < Ks3 < 1.5,
when B is less than or equal to B1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the water temperature of the pre-cooling section;
when B is more than B1 and less than or equal to B2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the water temperature of the pre-cooling section;
when B is more than B2 and less than or equal to B3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the water temperature of the pre-cooling section;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the water temperature of the pre-cooling section, the data adjusting module sets the adjusted water temperature of the pre-cooling section as Ta ', and sets Ta' = Tai multiplied by Ksj.
4. The horizontal continuous casting crystallizer for labyrinth nonferrous metals according to claim 3, wherein the data determining module is further configured to determine the temperature of the main cold section water based on the comparison result of the first temperature T1 with a preset end temperature when the obtaining module obtains the first temperature T1,
the data determination module is provided with a first preset tail end temperature Ty1, a second preset tail end temperature Ty2, a third preset tail end temperature Ty3, a first main cold section water temperature Tb1, a second main cold section water temperature Tb2 and a third main cold section water temperature Tb3, wherein delta Tb1 is less than delta Tb2 is less than delta Tb3, Tb1 is greater than Tb2 is greater than Tb3,
when T1 is less than or equal to Ty1, the data determination module sets the main cold section water temperature to a first main cold section water temperature Tb 1;
when Ty1 < T1 < Ty2, the data determination module sets the main cold section water temperature to a second main cold section water temperature Tb 2;
when Ty2 < T1 ≦ Ty1, the data determination module sets the primary cold section water temperature to a third primary cold section water temperature Tb 3.
5. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 4, wherein the data adjusting module is further used for calculating the comparison result between the casting temperature Tc detected by the third temperature sensor and the preset casting temperature range Tc0 obtained by the data obtaining module to determine the adjustment of the main cooling section water temperature or the pump pressure when the full roll casting is performed, wherein the preset casting temperature range Tc0 comprises a preset minimum casting temperature Tcmin and a preset maximum casting temperature Tcmax,
if the Tc belongs to Tc0, the data adjusting module judges that the temperature and/or the pump pressure of the main cooling section are not adjusted;
if Tc is less than Tcmin, the data adjusting module judges that the temperature of the main cooling section water is adjusted;
and if Tc is more than Tcmax, the data adjusting module judges that the pump pressure of the main cooling section is adjusted.
6. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 5, wherein the data adjusting module is further configured to calculate a first drawing temperature difference Δ Tca between the drawing temperature Tc and a preset minimum drawing temperature Tcmin when determining to adjust the main cooling stage water temperature, and select a corresponding water temperature adjusting coefficient to adjust the main cooling stage water temperature according to a comparison result between the first drawing temperature difference Δ Tca and the preset drawing temperature difference,
the data adjusting module is also provided with a first preset throwing temperature difference delta Tc1, a second preset throwing temperature difference delta Tc2 and a third preset throwing temperature difference delta Tc3, wherein delta Tc1 is more than delta Tc2 and less than delta Tc3,
when the delta Tca is less than or equal to the delta Tc1, the data adjusting module selects a first water temperature adjusting coefficient Ks1 to adjust the temperature of the main cooling water;
when the delta Tc1 is larger than the delta Tca and is not larger than the delta Tc2, the data adjusting module selects a second water temperature adjusting coefficient Ks2 to adjust the temperature of the main cooling section water;
when the delta Tc2 is larger than the delta Tca and is not larger than the delta Tc3, the data adjusting module selects a third water temperature adjusting coefficient Ks3 to adjust the temperature of the main cold section water;
when the data adjusting module selects the jth water temperature adjusting coefficient Ksj to adjust the temperature of the main cooling water, j =1, 2, 3 is set, the data adjusting module sets the adjusted temperature of the main cooling water to Tb ', and sets Tb' = Tbn × Ksj, wherein n =1, 2, 3.
7. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 6, wherein the data adjusting module is further configured to calculate a second drawing temperature difference Δ Tcb between the drawing temperature Tc and a preset maximum drawing temperature Tcmax when determining to adjust the main cooling stage pump pressure, and select a corresponding pump pressure adjusting coefficient to adjust the main cooling stage pump pressure according to a comparison result between the second drawing temperature difference Δ Tcb and the preset drawing temperature difference,
the data regulating module is also provided with a first pump pressure regulating coefficient Kp1, a second pump pressure regulating coefficient Kp2 and a third pump pressure regulating coefficient Kp3, 1 is more than Kp1 is more than Kp2 is more than Kp3 is less than 1.2,
when the delta Tcb is less than or equal to the delta Tc1, the data adjusting module selects a first pump pressure adjusting coefficient Kp1 to adjust the pump pressure of the main cooling section;
when the delta Tc1 is larger than the delta Tcb and is not larger than the delta Tc2, the data adjusting module selects a second pump pressure adjusting coefficient Kp2 to adjust the pump pressure of the main cooling section;
when the delta Tc2 is larger than the delta Tcb and is not larger than the delta Tc3, the data adjusting module selects a third pump pressure adjusting coefficient Kp3 to adjust the pump pressure of the main cooling section;
when the data adjusting module selects the u-th pump pressure adjusting coefficient Kpu to adjust the main cold section pump pressure, setting u =1, 2 and 3, and the data adjusting module sets the adjusted main cold section pump pressure as P2 and sets P2= P1 multiplied by Kpu.
8. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 7, wherein the data acquisition module is further configured to calculate a mold powder thickness D of a casting slab during throwing, the data analysis module determines whether to correct the pre-cooling water temperature or the pump pressure according to a comparison result between the mold powder thickness D and a preset mold powder thickness range D0, wherein the preset mold powder thickness range includes a preset minimum mold powder thickness Dmin and a preset maximum mold powder thickness Dmax,
if D belongs to D0, the data analysis module judges that the temperature and/or the pump pressure of the pre-cooling section are not corrected;
if D is less than Dmin, the data analysis module judges that the pump pressure of the pre-cooling section is corrected;
and if D is larger than max, the data analysis module judges that the temperature of the pre-cooling section water is corrected.
9. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 8, wherein the data regulating module is further configured to calculate a first thickness difference Δ Da between the mold powder thickness D and a preset minimum mold powder thickness Dmin when the data analyzing module determines to correct the pre-cooling section pump pressure, and select a corresponding pump pressure correction coefficient to correct the pre-cooling section pump pressure according to a comparison result of the first thickness difference and the preset thickness difference,
specifically, the data adjusting module is further provided with a first preset thickness difference value delta D1, a second preset thickness difference value delta D2, a third preset thickness difference value delta D3, a first pump pressure correction coefficient Xp1, a second pump pressure correction coefficient Xp2 and a third pump pressure correction coefficient Xp3, wherein delta D1 is larger than delta D2 is smaller than delta D3, 0.5 is larger than Xp3 is smaller than Xp2 is smaller than Xp1 is smaller than 1,
when the delta Da is less than or equal to the delta D1, the data adjusting module selects a first pump pressure correction coefficient Xp1 to correct the pre-cooling stage pump pressure;
when the delta D1 is larger than the delta Da and is smaller than or equal to the delta D2, the data adjusting module selects a second pump pressure correction coefficient Xp2 to correct the pump pressure of the pre-cooling section;
when the delta D2 is larger than the delta Da and is smaller than or equal to the delta D3, the data adjusting module selects a third pump pressure correction coefficient Xp3 to correct the pump pressure of the pre-cooling section;
and when the data adjusting module selects the e-th pump pressure correction coefficient Xpe to correct the pre-cooling section pump pressure, setting e =1, 2 and 3, and the data adjusting module sets the corrected pre-cooling section pump pressure as P3 and sets P3= P1 Xxpe.
10. The labyrinth non-ferrous metal horizontal continuous casting crystallizer as claimed in claim 9, wherein the data regulating module is further configured to calculate a second thickness difference Δ Db between the mold powder thickness D and a preset maximum mold powder thickness Dmax when the data analyzing module determines to correct the pre-cooling stage pump pressure, and select a corresponding water temperature correction coefficient to correct the pre-cooling stage water temperature according to the comparison result between the first thickness difference and the preset thickness difference,
the data adjusting module is also provided with a first water temperature correction coefficient Xs1, a second water temperature correction coefficient Xs2 and a third water temperature correction coefficient Xs3, setting 1 < Xs1 < Xs2 < Xs3 < 1.5,
when the delta Db is less than or equal to the delta D1, the data adjusting module selects a first water temperature correction coefficient Xs1 to correct the temperature of the pre-cooling water section;
when the delta D1 is larger than the delta Db and is not larger than the delta D2, the data adjusting module selects a second water temperature correction coefficient Xs2 to correct the water temperature of the pre-cooling section;
when the delta D2 is larger than the delta Db and is smaller than or equal to the delta D3, the data adjusting module selects a third water temperature correction coefficient Xs3 to correct the water temperature of the pre-cooling section;
when the data adjustment module selects the z-th pump pressure correction coefficient Xpz to correct the pre-cooler pump pressure, setting z =1, 2, 3, the data adjustment module sets the corrected pre-cooler water temperature to Ta ' ″, setting Ta ' = Ta ' × Xpz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217094.2A CN114309501A (en) | 2022-03-07 | 2022-03-07 | Labyrinth non-ferrous metal horizontal continuous casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210217094.2A CN114309501A (en) | 2022-03-07 | 2022-03-07 | Labyrinth non-ferrous metal horizontal continuous casting crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114309501A true CN114309501A (en) | 2022-04-12 |
Family
ID=81031138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210217094.2A Pending CN114309501A (en) | 2022-03-07 | 2022-03-07 | Labyrinth non-ferrous metal horizontal continuous casting crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114309501A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069164A (en) * | 2010-11-24 | 2011-05-25 | 浙江海亮股份有限公司 | Inner surface and outer surface protecting device in horizontal continuous casting tube bloom casting processing and operation method thereof |
| CN102114530A (en) * | 2010-12-15 | 2011-07-06 | 金龙精密铜管集团股份有限公司 | Composite pipe blank casting device and continuous casting method |
| CN105149538A (en) * | 2015-09-17 | 2015-12-16 | 河北钢铁股份有限公司邯郸分公司 | Device and method for ensuring stability of cooling water temperature of crystallizer |
| CN112964373A (en) * | 2021-04-06 | 2021-06-15 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Forehead temperature gun capable of adjusting internal temperature |
| CN113144870A (en) * | 2021-05-19 | 2021-07-23 | 苏尼特金曦黄金矿业有限责任公司 | Gold detection tail gas and tail liquid purification and recovery process based on optimized milling and leaching |
| CN113203142A (en) * | 2021-06-17 | 2021-08-03 | 北京兴拓置业有限公司 | Individual household intelligent fresh air handling unit with self-checking control system |
| CN113651417A (en) * | 2021-08-27 | 2021-11-16 | 艾萍 | Sewage treatment system and method for environmental engineering |
| CN114034082A (en) * | 2021-08-06 | 2022-02-11 | 林学优 | Intelligent energy storage heat supply method and system |
-
2022
- 2022-03-07 CN CN202210217094.2A patent/CN114309501A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069164A (en) * | 2010-11-24 | 2011-05-25 | 浙江海亮股份有限公司 | Inner surface and outer surface protecting device in horizontal continuous casting tube bloom casting processing and operation method thereof |
| CN102114530A (en) * | 2010-12-15 | 2011-07-06 | 金龙精密铜管集团股份有限公司 | Composite pipe blank casting device and continuous casting method |
| CN105149538A (en) * | 2015-09-17 | 2015-12-16 | 河北钢铁股份有限公司邯郸分公司 | Device and method for ensuring stability of cooling water temperature of crystallizer |
| CN112964373A (en) * | 2021-04-06 | 2021-06-15 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Forehead temperature gun capable of adjusting internal temperature |
| CN113144870A (en) * | 2021-05-19 | 2021-07-23 | 苏尼特金曦黄金矿业有限责任公司 | Gold detection tail gas and tail liquid purification and recovery process based on optimized milling and leaching |
| CN113203142A (en) * | 2021-06-17 | 2021-08-03 | 北京兴拓置业有限公司 | Individual household intelligent fresh air handling unit with self-checking control system |
| CN114034082A (en) * | 2021-08-06 | 2022-02-11 | 林学优 | Intelligent energy storage heat supply method and system |
| CN113651417A (en) * | 2021-08-27 | 2021-11-16 | 艾萍 | Sewage treatment system and method for environmental engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7323127B2 (en) | Mold temperature adjusting method | |
| EP2165788B1 (en) | Method for continuously casting billet with small cross section | |
| US20130197885A1 (en) | Method for predicting degree of contamination of molten steel during ladle exchange | |
| KR101400042B1 (en) | Method for producing high quality slab | |
| CN114309501A (en) | Labyrinth non-ferrous metal horizontal continuous casting crystallizer | |
| US10384262B2 (en) | Die-casting apparatus, die-casting method, and diecast article | |
| WO2011086776A1 (en) | Method and device for molding semi-solidified metal, and cooling circuit structure for cooling jig | |
| AU9095598A (en) | Immersion nozzle | |
| US7044193B2 (en) | Method of continuous casting | |
| CN116329530B (en) | Intelligent casting process for hardware fitting | |
| KR101387329B1 (en) | Apparatus for controlling level of molten steel and continuous casting method using the same | |
| EP0362983A1 (en) | Method and apparatus for continuously casting strip steel | |
| JPS5835055A (en) | Controller for flow rate of cooling water for continuous casting machine | |
| US7077186B2 (en) | Horizontal continuous casting of metals | |
| JP5206569B2 (en) | Mold level control apparatus and control method for continuous casting machine | |
| CN108300845B (en) | Rolling process of steel B280VK continuous casting billet for automobile structure | |
| JPH02200362A (en) | Method for predicting and restraining nozzle clogging in continuous casting apparatus | |
| RU2698005C1 (en) | Curvilinear plant for continuous casting of sorted billets | |
| KR20130099319A (en) | Predicting method for thickness of solidified shell on continuous casting process | |
| Gavariev et al. | Features of Casting Magnesium Alloys in Chill Mold | |
| KR101320345B1 (en) | Device for measuring temperature of molten steel in tundish and method therefor | |
| CN117620132A (en) | Aluminum alloy die-casting system | |
| CN217018548U (en) | Die casting die suitable for high gas tightness product | |
| CN106735158A (en) | A kind of crystallizer invasive nozzle and its application method | |
| CN113333715B (en) | Low-pressure casting mold-filling pressure curve design method based on back pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220412 |
|
| RJ01 | Rejection of invention patent application after publication |