CN109807298A - A kind of cooling water flow velocity autocontrol method of copper rod up-leading continuous casting - Google Patents

A kind of cooling water flow velocity autocontrol method of copper rod up-leading continuous casting Download PDF

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Publication number
CN109807298A
CN109807298A CN201910235092.4A CN201910235092A CN109807298A CN 109807298 A CN109807298 A CN 109807298A CN 201910235092 A CN201910235092 A CN 201910235092A CN 109807298 A CN109807298 A CN 109807298A
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Prior art keywords
cooling water
flow velocity
guide post
water flow
copper bar
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CN201910235092.4A
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CN109807298B (en
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李文
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Nantong Huadian Copper Co ltd
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Wuhu State Bond Copper Co Ltd
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Abstract

The invention discloses a kind of cooling water flow velocity autocontrol methods of copper rod up-leading continuous casting, including detection device, the detection device includes fixed press wheel and activity extruding wheel, the shaft of the activity extruding wheel is fixedly connected with the one end for squeezing guide post, the other end for squeezing guide post is provided with extruding spring, the extruding spring is provided with adjusting stud backwards to one end axis collinear for squeezing guide post, and the stud that adjusts is set in the adjusting screw hole of position fixed setting;And the following steps are included: cooling water flow velocity is adjusted to the maximum value of permission, it is then gradually reduced cooling water flow velocity, until copper bar obtained deforms or appearance is irregular, keeps the flow velocity of cooling water constant;The adjusting stud is screwed until copper bar is squeezed and deformed by the activity extruding wheel;Slowly increase the flow velocity of cooling water, until the regular no deformation of copper bar appearance obtained, keeps the position for adjusting stud constant.The present invention can automatically control the lower limit of cooling water flow velocity.

Description

A kind of cooling water flow velocity autocontrol method of copper rod up-leading continuous casting
Technical field
The present invention relates to a kind of copper rod up-leading continuous casting manufacturing technique technical field, especially a kind of copper rod up-leading continuous casting is cooling Water flow velocity autocontrol method.
Background technique
Continuous up-casting is the main technique of current production long length bright oxygen-free copper rod, waste row high with production capacity Put less, high degree of automation the advantages that.For upward-casting process when producing copper bar, the flow velocity of cooling water is more crucial control Parameter processed: if the flow velocity of cooling water is too fast, cause melting copper liquid crystalline rate too fast, make metallographic group inside copper bar obtained It knits and is difficult to meet following process and requirement;And if the flow velocity of cooling water is excessively slow, cooling performance is unable to satisfy copper bar knot Brilliant needs, the copper bar of crystallizer output are easier to deform, to affect the appearance regularity of product, be unfavorable for subsequent Copper rod machining operation.
Therefore in the continuous up-casting production of the prior art, cooling water mostly uses greatly the flow velocity of supersaturated cooling performance, i.e., It is the maximum value allowed by the flow rate set of cooling water, that is, guarantees that copper bar inside metallographic obtained can satisfy following process With requirement;But cooling water flow velocity as actually is not necessary, and there are also certain declines for cooling water flow velocity Space, too fast cooling water flow velocity also imply that biggish cooling water amount, higher water supply consumption and circulating cooling energy consumption.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of cooling water flow velocities of copper rod up-leading continuous casting to automatically control Method can automatically control the lower limit of cooling water flow velocity, avoid that the flow velocity of cooling water is excessively slow, cooling performance is insufficient, to make cold But water without supersaturated cooling performance flow velocity.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of cooling water flow velocity autocontrol method of copper rod up-leading continuous casting, including detection device, the detection device include setting Fixed press wheel and activity extruding wheel at crystallizer upper end outlet, the axis of the fixed press wheel and the activity extruding wheel Line is parallel and coplanar horizontal, and the shaft of the activity extruding wheel is fixedly connected with the one end for squeezing guide post, described to squeeze the another of guide post One end is provided with extruding spring, the extruding guide post and the axis collinear for squeezing spring and horizontal vertical is squeezed in the activity The axis of pinch roller, the extruding spring are provided with adjusting stud, the adjusting backwards to one end axis collinear for squeezing guide post Stud is set in the adjusting screw hole of position fixed setting;
And the following steps are included:
The cooling water flow velocity of crystallizer: being adjusted to the maximum value of permission by S1 first, is then gradually reduced cooling water flow velocity, until Copper bar obtained deforms or appearance is irregular, keeps the flow velocity of cooling water constant;
S2: the elastic force for squeezing spring is adjusted by screwing the adjusting stud, until copper bar is squeezed by the activity extruding wheel Compressive strain, the extruding guide post generate displacement;
S3: slowly increasing the flow velocity of cooling water, until the regular no deformation of copper bar appearance obtained, keeps the position for adjusting stud It sets constant.
It as a further improvement of the above technical scheme, further include control device, the control device includes being set to knot Aperture valve, the driving aperture valve on brilliant device coolant intake pipe tune up the driving mechanism and the detection extruding of aperture The displacement of guide post and the displacement detecting mechanism for controlling the driving mechanism;
And the following steps are included:
S4: when copper bar is squeezed and deformed by the activity extruding wheel, and the extruding guide post generates displacement, the displacement detecting mechanism The power supply of the driving mechanism is connected, to tune up the aperture of the aperture valve;
S5: when the not redeformation of copper bar, the extruding guide post reset, the displacement detecting mechanism disconnects the power supply of the driving mechanism When, measure the copper bar temperature T at the activity extruding wheel;
S6: the copper bar temperature t at activity extruding wheel described in real-time monitoring, when t is less than T, slowly turn opening for the aperture valve down Degree, until t is equal to T.
Compared with prior art, the beneficial effects of the present invention are:
The cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting provided by the present invention, passes through the copper of pinch detection output The rigidity of bar judges whether the flow velocity of cooling water is excessively slow with this, and automatically controls driving mechanism using the displacement for squeezing guide post, leads to Mechanism of overdriving drives aperture valve to increase aperture, that is, increases cooling water flow velocity, so as to automatically control under cooling water flow velocity Limit, avoid the flow velocity of cooling water is excessively slow, cooling performance deficiency, to make cooling water without the stream of supersaturated cooling performance Speed.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of detection device of the present invention and control device;
Fig. 2 is the structural schematic diagram of displacement detecting mechanism of the present invention;
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A.
Specific embodiment
Referring to figs. 1 to Fig. 3, Fig. 1 to Fig. 3 is the structural schematic diagram of equipment involved in a specific embodiment of the invention.
The cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting provided in this embodiment, including detection device, such as Shown in Fig. 1, detection device includes the fixed press wheel 11 and activity extruding wheel 21 being set at 31 upper end outlet of crystallizer, fixed Extruding wheel 11 is parallel with the axis of activity extruding wheel 21 and coplanar horizontal, the shaft of activity extruding wheel 21 are fixedly connected with extruding guide post 22 one end, the other end for squeezing guide post 22, which is provided with, squeezes spring 23, squeezes guide post 22 and squeezes the axis collinear of spring 23 And horizontal vertical squeezes spring 23 backwards to one end axis collinear for squeezing guide post 22 and is provided with tune in the axis of activity extruding wheel 21 Stud 24 is saved, stud 24 is adjusted and is set in the adjusting screw hole of position fixed setting;
It further include control device, as shown in Figure 1, control device includes the aperture being set on 31 coolant intake pipe 32 of crystallizer Valve 33, driving aperture valve 33 tune up the driving mechanism 34 of aperture and detection squeezes the displacement of guide post 22 and controls driving mechanism 34 displacement detecting mechanism;
And the following steps are included:
The cooling water flow velocity of crystallizer 31: being adjusted to the maximum value of permission by S1 first, is then gradually reduced cooling water flow velocity, directly It deforms to copper bar obtained or appearance is irregular, keep the flow velocity of cooling water constant;
S2: by screwing the elastic force for adjusting stud 24 and adjusting extruding spring 23, until copper bar is squeezed and deformed by activity extruding wheel 21, It squeezes guide post 22 and generates displacement;
S3: slowly increasing the flow velocity of cooling water, until the regular no deformation of copper bar appearance obtained, keeps the position for adjusting stud 24 It is constant;
S4: when copper bar is squeezed and deformed by activity extruding wheel 21, squeezes the generation displacement of guide post 22, displacement detecting mechanism connects driving The power supply of mechanism 34, to tune up the aperture of aperture valve 33;
S5: when the not redeformation of copper bar, the reset of guide post 22, when displacement detecting mechanism disconnects the power supply of driving mechanism 34, measurement are squeezed Copper bar temperature T at activity extruding wheel 21;
S6: the copper bar temperature t at real-time monitoring activity extruding wheel 21, when t is less than T, slowly turn the aperture of aperture valve 33 down, directly It is equal to T to t.
Specifically, as shown in Figures 2 and 3, displacement detecting mechanism includes being fixedly set in the piston for squeezing 22 outside of guide post 41, the sleeve 42 for cooperating piston 41, the air-tight chamber 43 cooperatively formed by piston 41 with sleeve 42, be connected to by conduit 46 The airtight storehouse 44 of air-tight chamber 43 is provided with airtight sliding block 45 in conduit 46, and is provided on the tube wall of conduit 46 by airtight cunning The contact group of the conducting electrical connection of block 45, and contact group is between airtight sliding block 45 and air-tight chamber 43.Contact group includes anode Contact 47 and cathode contact 48, positive contact 47 and cathode contact 48 are assembled on the tube wall of conduit 46, and positive contact 47 Insulation sleeve 49 is enclosed with the outside of cathode contact 48.Positive contact 47 and cathode contact 48 respectively with power positive cathode phase Even, and between positive contact 47 or cathode contact 48 and power supply also it is in series with driving mechanism 34.
Specifically, the position fixed setting of sleeve 42, piston 41 is facing towards activity extruding wheel 21,41 another side court of piston To the bottom wall 421 of sleeve 42, adjusts screw hole and be located on the bottom wall 421 of sleeve 42.The shaft of fixed press wheel 11 is fixedly connected Determine one end of guide post 12, the other end of fixed guide post 12 is set with the fixed sleeving 13 of position fixed setting, fixed sleeving 13 1 End cooperates fixed guide post 12, and the other end of fixed sleeving 13 is provided with screw plug 14;The axis horizontal of fixed guide post 12 is vertical In the axis of fixed press wheel 11.
It squeezes spring 23 and provides pressure to activity extruding wheel 21, when copper bar is insufficient cooling, hardness is poor, passes through work Dynamic extruding wheel 21 can be generated certain and be deformed, to make to squeeze the generation displacement of guide post 22, i.e., be moved right as shown in Figure 1, then Band piston 41 moves to right;Air pressure in script air-tight chamber 43 and airtight storehouse 44 is identical, the airtight sliding block 45 in conduit 46 Position is stablized, and piston 41 moves to right, and 43 volume of air-tight chamber increases, and air pressure reduces, and airtight sliding block 45 is moved to right with equilibrium air pressure, airtight Sliding block 45 is moved to right to contact group, and connect positive contact 47 and cathode contact 48 makes out so that driving mechanism 34 be made to power on Bottom valve 33 tunes up aperture, increases the flow velocity of cooling water;
When cooling performance meet need after, copper bar squeezed by activity extruding wheel 21 it is indeformable, squeeze guide post 22 with piston 41 It resets, airtight sliding block 45 moves to left, and the electrical connection between positive contact 47 and cathode contact 48 disconnects, and driving mechanism 34 stops driving Dynamic, the aperture of aperture valve 33 keeps stablizing.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention Transformation or corresponding change, all should belong in protection scope of the present invention.

Claims (7)

1. a kind of cooling water flow velocity autocontrol method of copper rod up-leading continuous casting, it is characterised in that: including detection device, the detection Device includes the fixed press wheel (11) and activity extruding wheel (21) being set at crystallizer (31) upper end outlet, and the fixation is squeezed Pinch roller (11) is parallel with the axis of the activity extruding wheel (21) and coplanar horizontal, the shaft of the activity extruding wheel (21) are fixed Connection squeezes the one end of guide post (22), and the other end for squeezing guide post (22), which is provided with, squeezes spring (23), and the extruding is led Column (22) and the axis collinear for squeezing spring (23) and horizontal vertical is in the axis of the activity extruding wheel (21), it is described to squeeze Pressing spring (23) is provided with backwards to one end axis collinear for squeezing guide post (22) and adjusts stud (24), the adjusting stud (24) it is set in the adjusting screw hole of position fixed setting;
And the following steps are included:
The cooling water flow velocity of crystallizer (31): being adjusted to the maximum value of permission first, is then gradually reduced cooling water flow velocity by S1, Until copper bar obtained deforms or appearance is irregular, keep the flow velocity of cooling water constant;
S2: the elastic force for squeezing spring (23) is adjusted by screwing adjusting stud (24), until copper bar is by the activity Extruding wheel (21) is squeezed and deformed, and the extruding guide post (22) generates displacement;
S3: slowly increasing the flow velocity of cooling water, until the regular no deformation of copper bar appearance obtained, keeps the adjusting stud (24) Position it is constant.
2. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 1, it is characterised in that: also Including control device, the control device include be set on crystallizer (31) coolant intake pipe (32) aperture valve (33), The aperture valve (33) is driven to tune up the driving mechanism (34) of aperture and displacement and the control of detection extruding guide post (22) The displacement detecting mechanism of the driving mechanism (34);
And the following steps are included:
S4: when copper bar is squeezed and deformed by the activity extruding wheel (21), and the extruding guide post (22) generates displacement, the displacement Testing agency connects the power supply of the driving mechanism (34), to tune up the aperture of the aperture valve (33);
S5: when the not redeformation of copper bar, the extruding guide post (22) reset, the displacement detecting mechanism disconnects the driving mechanism (34) when power supply, the copper bar temperature T at the activity extruding wheel (21) is measured;
S6: the copper bar temperature t at activity extruding wheel (21) described in real-time monitoring, when t is less than T, slowly turn the aperture valve down (33) aperture, until t is equal to T.
3. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 2, it is characterised in that: institute Stating displacement detecting mechanism includes being fixedly set in the piston (41) squeezed on the outside of guide post (22), for cooperating the piston (41) sleeve (42), passes through conduit at the air-tight chamber (43) cooperatively formed by the piston (41) and the sleeve (42) (46) it is connected to the airtight storehouse (44) of the air-tight chamber (43), is provided with airtight sliding block (45) in the conduit (46), and described It is provided on the tube wall of conduit (46) by the contact group of airtight sliding block (45) the conducting electrical connection, and the contact group is located at institute It states between airtight sliding block (45) and the air-tight chamber (43).
4. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 3, it is characterised in that: institute Stating contact group includes positive contact (47) and cathode contact (48), and the anode contact (47) and the cathode contact (48) fill On the tube wall of the conduit (46), and the outside of the positive contact (47) and the cathode contact (48) is enclosed with absolutely Edge set (49).
5. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 4, it is characterised in that: institute It states positive contact (47) and the cathode contact (48) is connected with power positive cathode respectively, and the positive contact (47) or described The driving mechanism (34) are also in series between cathode contact (48) and power supply.
6. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 3, it is characterised in that: institute The position fixed setting of sleeve (42) is stated, the piston (41) one is facing towards the activity extruding wheel (21), the piston (41) Towards the bottom wall (421) of the sleeve (42), the adjusting screw hole is located on the bottom wall (421) of the sleeve (42) another side.
7. the cooling water flow velocity autocontrol method of a kind of copper rod up-leading continuous casting according to claim 1, it is characterised in that: institute The shaft for stating fixed press wheel (11) is fixedly connected with one end of fixed guide post (12), the other end suit of the fixed guide post (12) There is the fixed sleeving (13) of position fixed setting, is fixed guide post (12) described in fixed sleeving (13) one end fits, it is described solid The other end for determining casing (13) is provided with screw plug (14);The axis horizontal of the fixed guide post (12) is perpendicular to the fixation The axis of extruding wheel (11).
CN201910235092.4A 2019-03-27 2019-03-27 Method for automatically controlling flow speed of continuous casting cooling water led upwards from copper rod Active CN109807298B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103323A2 (en) * 1999-11-29 2001-05-30 SMS Demag AG Process and device for continuous casting of steel
JP2010105004A (en) * 2008-10-29 2010-05-13 Swcc Showa Cable Systems Co Ltd Method of producing copper or copper alloy wire
CN101844215A (en) * 2009-03-27 2010-09-29 宝山钢铁股份有限公司 Dynamic secondary cooling control method for slab continuous casting based on double-cooling mode
CN103100805A (en) * 2013-02-17 2013-05-15 云南锡业锡材有限公司 Preparation method for high-purity lead-free welding flux
CN104870121A (en) * 2013-09-30 2015-08-26 新日铁住金工程技术株式会社 Soft reduction method for continuous casting piece
CN105618699A (en) * 2016-03-16 2016-06-01 安徽鑫旭新材料股份有限公司 Cooling water system of up-casting continuous casting machine for copper materials
CN206356546U (en) * 2017-01-09 2017-07-28 上海康成铜业集团有限公司 A kind of continuous up-casting bar base oxidation
CN108526422A (en) * 2018-05-23 2018-09-14 中南大学 A kind of production method of high-strength high-conductivity heat-resistant copper
CN108907122A (en) * 2018-07-11 2018-11-30 尚成荣 A kind of Copper fabrication cold water hydraulic pressure automatic control device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103323A2 (en) * 1999-11-29 2001-05-30 SMS Demag AG Process and device for continuous casting of steel
JP2010105004A (en) * 2008-10-29 2010-05-13 Swcc Showa Cable Systems Co Ltd Method of producing copper or copper alloy wire
CN101844215A (en) * 2009-03-27 2010-09-29 宝山钢铁股份有限公司 Dynamic secondary cooling control method for slab continuous casting based on double-cooling mode
CN103100805A (en) * 2013-02-17 2013-05-15 云南锡业锡材有限公司 Preparation method for high-purity lead-free welding flux
CN104870121A (en) * 2013-09-30 2015-08-26 新日铁住金工程技术株式会社 Soft reduction method for continuous casting piece
CN105618699A (en) * 2016-03-16 2016-06-01 安徽鑫旭新材料股份有限公司 Cooling water system of up-casting continuous casting machine for copper materials
CN206356546U (en) * 2017-01-09 2017-07-28 上海康成铜业集团有限公司 A kind of continuous up-casting bar base oxidation
CN108526422A (en) * 2018-05-23 2018-09-14 中南大学 A kind of production method of high-strength high-conductivity heat-resistant copper
CN108907122A (en) * 2018-07-11 2018-11-30 尚成荣 A kind of Copper fabrication cold water hydraulic pressure automatic control device

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Effective date of registration: 20210129

Address after: 325600 No.76, Shangshang village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province

Applicant after: Li Jianxun

Address before: 241009 No.5 Qijing 1st Road, Wuhu Economic Development Zone, Wuhu City, Anhui Province

Applicant before: WUHU YUNBANG COPPER Co.,Ltd.

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Effective date of registration: 20221221

Address after: No. 110, Liuhao Road, Baochang Town, Haimen City, Nantong City, Jiangsu Province 226100

Patentee after: Nantong Huadian Copper Co.,Ltd.

Address before: 325600 No.76, Shangshang village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province

Patentee before: Li Jianxun