CN218310754U - Continuous casting secondary cooling water distribution system - Google Patents
Continuous casting secondary cooling water distribution system Download PDFInfo
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- CN218310754U CN218310754U CN202222505474.4U CN202222505474U CN218310754U CN 218310754 U CN218310754 U CN 218310754U CN 202222505474 U CN202222505474 U CN 202222505474U CN 218310754 U CN218310754 U CN 218310754U
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- cooling branch
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Abstract
The utility model discloses a continuous casting secondary cold water distribution system, including the cooling pipeline, the cooling pipeline includes cooling main pipe and cooling branch pipe portion, cooling branch pipe portion includes reposition of redundant personnel cooling branch pipe and N segmentation cooling branch pipe, the import of cooling main pipe is used for inserting the cooling source, the import of reposition of redundant personnel cooling branch pipe with the exit linkage and the intercommunication of cooling main pipe, N the import of segmentation cooling branch pipe respectively with reposition of redundant personnel cooling branch pipe linkage and intercommunication, N the export of segmentation cooling branch pipe sets up along continuous casting steel drawing direction interval in proper order, is provided with the segmentation trip valve on each segmentation cooling branch pipe, and N is for being greater than 1 integer; the utility model discloses a two cold water distribution systems of continuous casting can avoid the waste of water resource in the open valve of accurate automatic control each cooling zone when opening and water, and the trip valve of each cooling zone of self-closing in proper order when the continuous casting quick change prevents that the steel billet cooling from excessively blackening.
Description
Technical Field
The utility model relates to a continuous casting cooling technical field, in particular to two cold water distribution systems of continuous casting.
Background
In the process of distributing water to secondary cooling water for continuous casting, the on-off of a water channel cannot be independently controlled for each cooling section of each secondary cooling water area, and during casting, each section of spray heads of the secondary cooling water areas of continuous casting cannot be gradually opened along with the moving sequence of steel billets, so that the waste of water resources is caused; more importantly, in the process of quick change of continuous casting, the cooling sections cannot be controlled to be closed in sequence, so that the billet is cooled excessively, and the billet is blackened and broken.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome foretell not enough, the utility model provides a two cold water distribution systems of continuous casting can open the valve of opening of each cooling zone of accurate automatic control when watering, each cooling zone of self-closing in proper order when the continuous casting quick change.
The utility model provides a pair of two cold water distribution systems of continuous casting, including cooling line, cooling line includes that the cooling is responsible for and cooling branch portion, cooling branch portion is including reposition of redundant personnel cooling branch pipe and a N segmentation cooling branch pipe, the import that the cooling was responsible for is used for inserting the cooling source, the import of reposition of redundant personnel cooling branch pipe and the exit linkage and the intercommunication of cooling person in charge, the import of a N segmentation cooling branch pipe respectively with reposition of redundant personnel cooling branch union coupling and intercommunication, the export of a N segmentation cooling branch pipe is drawn the steel direction along the continuous casting and is set up at interval in proper order, be provided with the segmentation trip valve on every segmentation cooling branch pipe, N is for being greater than 1 integer.
Furthermore, a shunt cut-off valve is arranged on the shunt cooling branch pipe.
Furthermore, the number of the cooling branch pipe parts is M, M is an integer larger than 1, the M cooling branch pipe parts are respectively used for cooling the M continuous casting billets, and inlets of the M cooling branch pipe parts are respectively connected and communicated with M outlets of the cooling main pipe.
Furthermore, an electromagnetic flowmeter and a flow regulating valve are sequentially arranged on the sectional cooling branch pipe along the fluid direction.
Further, be provided with the reposition of redundant personnel trip valve on the reposition of redundant personnel cooling branch pipe, the quantity of cooling branch pipe portion is M, reposition of redundant personnel trip valve and segmentation trip valve are pneumatic trip valve, flow control valve is pneumatic control valve, two cold water distribution systems of continuous casting still include the drive gas circuit, the drive gas circuit includes that the gas circuit is responsible for and M gas circuit branch pipe portion, M gas circuit branch pipe portion sets up with M cooling branch pipe portion one-to-one, every gas circuit branch pipe portion includes that 2N +1 gas circuit branch pipe, the air inlet of every gas circuit branch pipe is connected and is linked together with the gas outlet that the gas circuit was responsible for, wherein the gas outlet of N gas circuit branch pipe is connected and is linked together with the pneumatic actuator of N pneumatic control valve who corresponds, the gas outlet of N +1 gas circuit branch pipe is connected and is linked together with the pneumatic actuator of N +1 pneumatic trip valve who corresponds in addition.
Further, a ball valve is arranged on the air path branch pipe.
Furthermore, the cooling pipeline also comprises a drain pipe, the inlet of the drain pipe is respectively connected and communicated with the shunt cooling branch pipe and the main pipe, and the outlet of the drain pipe is connected into the sewage disposal pool.
Furthermore, the cooling pipeline also comprises a filtering module, the filtering module is arranged on the cooling main pipe, and a sewage discharge port of the filtering module is connected and communicated with the water discharge pipe.
The utility model has the advantages that: the utility model discloses a two cold water distribution systems of continuous casting adopts pneumatic trip valve, and the open valve of each cooling zone of accurate automatic control when opening watering avoids the waste of water resource, and the trip valve of each cooling zone of automatic closing in proper order when the pouring basket is changed fast prevents that the steel billet from cooling excessively blacking; and a pneumatic flow regulating valve is adopted to realize accurate regulation of flow; the problem that the water quantity is not adjusted timely due to the fact that a worker operates a manual valve of each cooling section to open the valve manually according to personal experience of the worker and manually adjusts the flow of secondary cooling water to cause poor cooling or excessive cooling of steel, hidden dangers caused by manual operation are avoided, automatic water distribution can be accurately carried out on the secondary cooling water for continuous casting, instability caused by human factors is thoroughly avoided, and a very large effect is achieved on stable production; on the other hand, the labor intensity of staff is greatly reduced, automatic secondary cooling water boiling and accurate water boiling are realized, the pressure of a watering stage is relieved, the occurrence probability of accidents is reduced, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a continuous casting secondary cooling water distribution system in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a driving gas circuit in an embodiment of the present invention.
In the figure, 1 is a cooling main pipe, 2 is a first manual butterfly valve, 3 is a back flush filter, 4 is a second manual butterfly valve, 5 is a main path pressure transmitter, 6 is a temperature sensor, 7 is a shunting cooling branch pipe, 8 is a sectional cooling branch pipe, 9 is a shunting cut-off valve, 10 is a third manual butterfly valve, 11 is a sectional cut-off valve, 12 is an electromagnetic flowmeter, 13 is a flow regulating valve, 14 is a drainage main pipe, 15 is a drainage branch pipe, 16 is a drainage ball valve, 17 is a gas path main pipe, 18 is a gas path branch pipe, 19 is a gas path ball valve, and 20 is a branch path pressure transmitter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a continuous casting secondary cooling water distribution system in an embodiment of the present invention.
As shown in fig. 1, the continuous casting secondary cooling water distribution system in this embodiment includes a cooling pipeline and a driving air path.
The cooling pipeline comprises a cooling main pipe 1, M cooling branch pipe parts and a drain pipe. The continuous casting secondary cooling water distribution system in the embodiment is used for cooling six-strand continuous casting, and M is 6.
The inlet of the cooling main pipe 1 is used for being connected with a cooling source, and the filtering module, the main path pressure transmitter 5, the temperature sensor 6 and M outlets are sequentially arranged on the cooling main pipe 1 along the water flow advancing direction. The filtering module comprises two filtering pipelines connected in parallel, and a first manual butterfly valve 2, a back washing filter 3 and a second manual butterfly valve 4 are sequentially arranged on each filtering pipeline along the water flow advancing direction.
The inlets of the M cooling branch pipe parts are respectively connected and communicated with the M outlets of the cooling main pipe 1, and the outlets of the M cooling branch pipe parts respectively cool the M continuous casting. Each cooling branch portion includes a split cooling branch 7 and N segmented cooling branches 8, N being an integer greater than 1. The continuous casting secondary cooling area is divided into a secondary cooling foot roller section, a secondary cooling section and a secondary cooling section along the steel drawing direction in sequence. In this embodiment, N is 5.
The inlets of the branch cooling pipes 7 are connected and communicated with the corresponding outlets of the main cooling pipe 1. A shunt cut-off valve 9, a manual adjusting module and N +1 outlets are sequentially arranged on the shunt cooling branch pipe 7 along the advancing direction of water flow. The shunt cut-off valve 9 is a pneumatic cut-off valve. The manual adjusting module comprises two adjusting pipelines connected in parallel, and two third manual butterfly valves 10 are connected in series on each adjusting pipeline.
The inlets of the N segmented cooling branch pipes 8 are correspondingly connected and communicated with N outlets of the split-flow cooling branch pipes 7 respectively, and the outlets of the N segmented cooling branch pipes 8 are arranged at intervals in sequence along the continuous casting steel drawing direction and are used for cooling a double-cold-foot roller section, a double-cold section and a double-cold section. Each segmented cooling branch pipe 8 is sequentially provided with a segmented cut-off valve 11, an electromagnetic flowmeter 12, a flow regulating valve 13 and a branch pressure transmitter 20 along the advancing direction of water flow. The segmented shut-off valve 11 is a pneumatic shut-off valve, and the flow regulating valve 13 is a pneumatic regulating valve.
The drain pipe includes a main drain pipe 14 and M +3 branch drain pipes 15. Wherein, the inlets of the M branch drainage pipes 15 are respectively correspondingly connected and communicated with the rest outlets of the M branch flow cooling pipes 7. The M drain branch pipes 15 are provided with drain ball valves 16.
The inlets of the remaining three branch drain pipes 15 are respectively connected and communicated with the sewage outlets of the cooling main pipe 1 and the two backwashing filters 3. The junction of the branch drain pipe 15 and the main cooling pipe 1 is located between the filter module and the inlet of the main cooling pipe 1, and a drain ball valve 16 is arranged on the branch drain pipe 15.
The main drainage pipe 14 is provided with M +3 inlets. M +3 inlets on the main drainage pipe 14 are correspondingly connected and communicated with the outlets of the M +3 branch drainage pipes 15, and the outlet of the main drainage pipe 14 is connected to a sewage disposal pool.
Fig. 2 is a schematic structural diagram of a driving gas circuit in an embodiment of the present invention.
As shown in fig. 2, the drive gas path includes a gas path main pipe 17 and M gas path branch pipes.
M gas circuit branch pipe portions and M cooling branch pipe portions are arranged in a one-to-one correspondence mode. Each gas path branch pipe part comprises 2N +1 gas path branch pipes 18, the gas inlet of each gas path branch pipe 18 is connected and communicated with the gas outlet of the gas path main pipe 17, the gas outlets of the N gas path branch pipes 18 are connected and communicated with the pneumatic actuators of the corresponding N pneumatic adjusting valves, and the gas outlets of the N +1 gas path branch pipes 18 are connected and communicated with the pneumatic actuators of the corresponding N +1 pneumatic cut-off valves. An air path ball valve 19 is arranged on each air path branch pipe 18.
The operation flow of the continuous casting secondary cooling water distribution system of the embodiment is as follows: when the length of the drawn steel reaches 1 meter, the PLC controls the segmented stop valves 11 of the full-cold-area full-roller sections of the second cooling area to be opened, the flow regulating valves 13 of the full-cold-area full-roller sections regulate corresponding flow, when the length of the drawn steel reaches 3 meters, the PLC controls the segmented stop valves 11 of the second cooling area to be opened, the flow regulating valves 13 of the first cooling area automatically regulate corresponding flow, when the length of the drawn steel reaches 5 meters, the PLC controls the segmented stop valves 11 of the second cooling area to be opened, the flow regulating valves 13 of the third cooling area automatically regulate corresponding flow, and when the length of the drawn steel reaches 7 meters, the PLC controls the segmented stop valves 11 to be opened and closed, so that automatic water distribution can be accurately carried out on the continuous casting secondary cooling water; in the process of quick change of continuous casting, the segmented stop valves 11 of the cooling sections are closed in sequence along with the advancing of the tail of the continuous casting billet.
To sum up, the utility model discloses a concrete application example is right the utility model discloses the protection scope does not constitute the restriction, adopts the technical scheme of equivalent replacement all to fall within the utility model discloses within the protection scope.
Claims (8)
1. The utility model provides a two cold water distribution systems of continuous casting, a serial communication port, includes cooling line, cooling line includes that the cooling is responsible for and cooling branch pipe portion, cooling branch pipe portion is including reposition of redundant personnel cooling branch pipe and a N segmentation cooling branch pipe, the import that the cooling was responsible for is used for inserting the cooling source, the import of reposition of redundant personnel cooling branch pipe with the exit linkage and the intercommunication that the cooling was responsible for, N the import of segmentation cooling branch pipe respectively with reposition of redundant personnel cooling branch union coupling and intercommunication, N the export of segmentation cooling branch pipe is drawn the steel direction along the continuous casting and is set up, every be provided with the segmentation trip valve on the segmentation cooling branch pipe, N is for being greater than 1 integer.
2. The continuous casting secondary cold water distribution system according to claim 1, wherein a shunt cut-off valve is arranged on the shunt cooling branch pipe.
3. The continuous casting secondary cooling water distribution system according to claim 1 or 2, wherein the number of the cooling branch pipe portions is M, M being an integer greater than 1, the M cooling branch pipe portions are respectively used for cooling M continuous casting billets, and inlets of the M cooling branch pipe portions are respectively connected and communicated with the M outlets of the cooling main pipe.
4. The continuous casting secondary cooling water distribution system according to claim 1, wherein an electromagnetic flow meter and a flow regulating valve are sequentially arranged on the segmented cooling branch pipe along a fluid direction.
5. The two cold water distribution systems of continuous casting according to claim 4, a serial communication port, be provided with the reposition of redundant personnel trip valve on the reposition of redundant personnel cooling branch pipe, the quantity of cooling branch pipe portion is M, the reposition of redundant personnel trip valve with the segmentation trip valve is pneumatic trip valve, flow control valve is pneumatic control valve, two cold water distribution systems of continuous casting still include the drive gas circuit, the drive gas circuit includes that the gas circuit is responsible for and M gas circuit branch pipe portion, M gas circuit branch pipe portion and M cooling branch pipe portion one-to-one sets up, every gas circuit branch pipe portion includes 2N +1 gas circuit branch pipe, every the air inlet of gas circuit branch pipe with the gas outlet that the gas circuit was responsible for is connected and is linked together, wherein N the gas outlet of gas circuit branch pipe is with corresponding N pneumatic actuator of pneumatic control valve connects and is linked together, N +1 in addition the gas outlet of gas circuit branch pipe and corresponding N +1 the pneumatic actuator of pneumatic trip valve connect and is linked together.
6. The continuous casting secondary cooling water distribution system as claimed in claim 5, wherein the gas path branch pipe is provided with a ball valve.
7. The continuous casting secondary cooling water distribution system according to claim 1, wherein the cooling pipeline further comprises a drain pipe, an inlet of the drain pipe is connected and communicated with the diversion cooling branch pipe and the main pipe respectively, and an outlet of the drain pipe is connected to a sewage disposal pool.
8. The continuous casting secondary cooling water distribution system as claimed in claim 7, wherein the cooling pipeline further comprises a filter module, the filter module is arranged on the cooling main pipe, and a sewage discharge outlet of the filter module is connected and communicated with the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505474.4U CN218310754U (en) | 2022-09-22 | 2022-09-22 | Continuous casting secondary cooling water distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505474.4U CN218310754U (en) | 2022-09-22 | 2022-09-22 | Continuous casting secondary cooling water distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218310754U true CN218310754U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222505474.4U Active CN218310754U (en) | 2022-09-22 | 2022-09-22 | Continuous casting secondary cooling water distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218310754U (en) |
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2022
- 2022-09-22 CN CN202222505474.4U patent/CN218310754U/en active Active
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