CN109351927A - A kind of conticaster crystallizer cooling water recirculation system - Google Patents
A kind of conticaster crystallizer cooling water recirculation system Download PDFInfo
- Publication number
- CN109351927A CN109351927A CN201811478077.4A CN201811478077A CN109351927A CN 109351927 A CN109351927 A CN 109351927A CN 201811478077 A CN201811478077 A CN 201811478077A CN 109351927 A CN109351927 A CN 109351927A
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- China
- Prior art keywords
- water
- electric control
- water inlet
- control valve
- cooling water
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- 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.)
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- 239000000498 cooling water Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 230000008676 import Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000009749 continuous casting Methods 0.000 abstract description 9
- 238000004064 recycling Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of conticaster crystallizer cooling water recirculation systems, including water cooling pond, several water pumps and several heat exchangers, the import of all water pumps connects with water cooling pond simultaneously, the outlet of all water pumps is connected with the import of water inlet manifold simultaneously, relief valve is disposed with along flow direction of medium on water inlet manifold, first electric control valve, piping filter and the second electric control valve, the bypass pipe with by-passing valve is connected in parallel on water inlet manifold, the cooling water inlet of every crystallizer is respectively communicated with water inlet manifold outlet, the cooling water outlet of every crystallizer is respectively communicated with the import of outfall sewer, the import of every heat exchanger is respectively communicated with the outlet of outfall sewer, the outlet of every heat exchanger while the import for being connected to return main, the import of the outlet water cooling pond of return main.The invention has the advantages that be able to achieve recycling for cooling water, and operation stability with it is safe to use, ensure that the safe direct motion of continuous casting system.
Description
Technical field
The present invention relates to conticaster crystallizer technical fields, and in particular to a kind of conticaster crystallizer cooling water cyclic system
System.
Background technique
Conticaster crystallizer is the important equipment of continuous casting system, is mainly used for cooling down the molten steel of input crystallizer,
Molten steel is set to form steel billet output.Crystallizer to the cooling of molten steel be by constantly by water cooling pond cooling water be sent into crystallizer come
It realizes, but used crystallizer Cooling Water system has the disadvantage in that cooling water can not recycle at present, system
Operation stability is poor, not can guarantee the safe direct motion of continuous casting system.
Summary of the invention
It is high the object of the present invention is to provide a kind of operation stability and be able to achieve the crystallization of the conticaster of cooling water circulation use
Device cooling water recirculation system.
To achieve the above object, present invention employs following technical solutions: a kind of conticaster crystallizer cooling water follows
Loop system, including water cooling pond, several water pumps and several heat exchangers, the imports of all water pumps go out with water cooling pond simultaneously
Mouth is connected, and the outlet of all water pumps is connected with the import of water inlet manifold simultaneously, along media flow side on water inlet manifold
It is in parallel on water inlet manifold to being disposed with relief valve, the first electric control valve, piping filter and the second electric control valve
It is connected with the bypass pipe with by-passing valve, the side pipe end of bypass pipe is connected with the water inlet manifold before the first electric control valve valve,
Other side pipe end is connected with the water inlet manifold after the second electric control valve valve, and the cooling water inlet of every crystallizer passes through respectively
Water inlet pipe is connected to the outlet of water inlet manifold, and the cooling water outlet of every crystallizer passes through exit branch respectively and is connected to outfall sewer
Import, the import of every heat exchanger is connected to going out for outfall sewer by the first return branch with third electric control valve respectively
Mouthful, the outlet of every heat exchanger be connected to simultaneously by the second return branch of the 4th electric control valve of band respectively return main into
Mouthful, the import of the outlet water cooling pond of return main.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: every water pump import with
Exit is provided with the 5th electric control valve.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: further include spare cooling water storage
Tower is deposited, the outlet of spare cooling water storage tower passes through the spare cooling water inlet pipe and the first electric adjustable of the 6th electric control valve of band
Section valve valve before water inlet manifold or be connected with the water inlet manifold after the second electric control valve valve.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: in the second electric control valve valve
The first flowmeter to monitor water inlet manifold flow in real time is additionally provided on water inlet manifold afterwards.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: be provided on outfall sewer
7th electric control valve and second flowmeter.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: be provided on return main
8th electric control valve.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: in water inlet pipe and water outlet branch
The 9th electric control valve is provided on pipe.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: report is provided in water cooling pond
Alert device and the liquidometer to real-time monitoring cold water pit level, liquidometer are connect with alarm signal, when liquidometer monitor it is cold
When liquid level is below or above safety levels in pond, alarm can be sounded an alarm.
Further, a kind of conticaster crystallizer cooling water recirculation system above-mentioned, in which: heat exchanger is plate-type heat-exchange
Device.
Through the implementation of the above technical solution, the beneficial effects of the present invention are: being able to achieve recycling for cooling water, and
Operation stability with it is safe to use, ensure that the safe direct motion of continuous casting system.
Detailed description of the invention
Fig. 1 is a kind of operation principle schematic diagram of conticaster crystallizer cooling water recirculation system of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in Figure 1, a kind of conticaster crystallizer cooling water recirculation system, including water cooling pond 1, several water pumps
2 and several heat exchangers 3, the import of all water pumps 2 is connected with the outlet of water cooling pond 1 simultaneously, the outlet of all water pumps 2
It is connected simultaneously with the import of water inlet manifold 4, is disposed with relief valve 5, the along flow direction of medium on water inlet manifold 4
One electric control valve 6, piping filter 7 and the second electric control valve 8, are connected in parallel to by-passing valve 9 on water inlet manifold 4
Bypass pipe 10, the side pipe end of bypass pipe 10 is connected with the water inlet manifold before 6 valve of the first electric control valve, other side pipe end with
Water inlet manifold after second electric control valve, 8 valve is connected, and the cooling water inlet of every crystallizer 11 passes through water inlet pipe respectively
The outlet of 12 connection water inlet manifolds 4, the cooling water outlet of every crystallizer 11 pass through exit branch 13 respectively and connect outfall sewer
14 import, the import of every heat exchanger 3 are connected to water outlet by the first return branch 16 with third electric control valve 15 respectively
The outlet of the outlet of general pipeline 14, every heat exchanger 3 passes through the second return branch 18 of the 4th electric control valve 17 of band simultaneously respectively
It is connected to the import of return main 19, the import of the outlet water cooling pond 1 of return main 19；In the present embodiment, in every water
The import of pump 2 and exit are provided with the 5th electric control valve 20, when certain water pump breaks down, can be somebody's turn to do by closing
The 5th electric control valve 20 at failure unit fixed on water pump suction and product realizes the on-line maintenance to the failure water pump, guarantees production peace
All-cis row；It in the present embodiment, further include spare cooling water storage tower 21, the outlet of spare cooling water storage tower 21 passes through band the
Water inlet manifold before 6 valve of spare cooling water inlet pipe 23 and the first electric control valve of six electric control valves 22 or with second
Water inlet manifold 4 after 8 valve of electric control valve is connected, and when water cooling pond breaks down, can be stored up by using spare cooling water
The spare cooling water in tower 21 is deposited, guarantees to produce orderly safe direct motion, improves the operation stability of continuous casting system；In this implementation
In example, be additionally provided on the water inlet manifold 4 after 8 valve of the second electric control valve to monitor 4 flow of water inlet manifold in real time the
Flow meters 24 can intuitively understand the flow of water inlet manifold in this way, staff is enable to found the abnormal situation in time, in time
It makes adjustment to system；In the present embodiment, the 7th electric control valve 25 and second flowmeter are provided on outfall sewer 14
26, the flow of outfall sewer is intuitively understood in this way, staff is enable to found the abnormal situation in time, and tune is made to system in time
It is whole；In the present embodiment, the 8th electric control valve 27 is provided on return main 19, in this way can preferably to enter cold water
The flow in pond is controlled；In the present embodiment, the 9th motorized adjustment is provided on water inlet pipe 12 and exit branch 13
Valve 28.In the present embodiment, alarm 29 and the liquidometer to 1 liquid level of real-time monitoring water cooling pond are provided in water cooling pond 1
30, liquidometer 30 is connect with 29 signal of alarm, when liquidometer 30 monitors that liquid level is below or above safety levels in water cooling pond 1
When, alarm 29 can sound an alarm, and improve operation stability and the safety of continuous casting system；In the present embodiment, heat exchanger 3
Energy-saving effect for plate heat exchanger, plate heat exchanger is more preferable；
Working principle of the present invention is as follows:
In 11 operational process of conticaster crystallizer, the cooling water in water cooling pond 1 can be squeezed into water inlet manifold 4 by each water pump 2, be entered
The cooling water of water inlet manifold 4 successively through relief valve 5, the first electric control valve 6, piping filter 7, the second electric control valve 8 and
First flowmeter 24 enters the corresponding water inlet pipe 12 of each crystallizer 11, then through water inlet pipe 12 from the cooling of corresponding crystallizer 11
Water inlet enters crystallizer 11, and the cooling water into crystallizer 11 can carry out heat exchange cooling with to the molten steel in crystallizer 11, makes
Molten steel in crystallizer 11 be cooled into steel billet output, into crystallizer 11 cooling water and molten steel heat exchange after become hot water enter
Corresponding exit branch 13, then collect into outfall sewer 14, the hot water in outfall sewer 14 branches to each first return water branch again
Pipe 16, then enter in each plate heat exchanger 3 from each first return branch 16 and carry out heat exchange cooling, into plate heat exchanger 3
Hot water becomes cooling water after the heat exchange of plate heat exchanger 3 again, and successively through each second time branching pipe 18 and 19 weight of return main
It newly flows back into water cooling pond 1 and recycles；In 11 operational process of conticaster crystallizer, the liquidometer 30 in water cooling pond 1 can be real
When monitor 1 liquid level of water cooling pond, when liquidometer 30 monitors in water cooling pond 1 liquid level below or above safety levels, alarm 29
It can sound an alarm；When the failure of water cooling pond 1 needs repairing, the 6th electric control valve 22 is opened, at this time spare cooling water storage
Water inlet manifold 4 can be entered through spare cooling water inlet pipe 23 by depositing the spare cooling water in tower 21, temporarily be provided for each crystallizer cold
But water guarantees continuous casting system orderly safe direct motion；And it when the failure of piping filter 7 needs repairing, can close simultaneously
The first electric control valve 6 and the second electric control valve 8 are closed, and opens by-passing valve 9, the cooling water in water inlet manifold 4 can be through at this time
Bypass pipe 10 enters each crystallizer 11, to realize to the on-line maintenance of piping filter, is further ensured that continuous casting system is orderly
Safe direct motion.
The invention has the advantages that being able to achieve recycling for cooling water, and operation stability and safe to use, guarantor
The safe direct motion of continuous casting system is demonstrate,proved.
Claims (9)
1. a kind of conticaster crystallizer cooling water recirculation system, it is characterised in that: including water cooling pond, several water pumps and several
The import of heat exchanger, all water pumps is connected with the outlet of water cooling pond simultaneously, and the outlet of all water pumps is total with water inlet simultaneously
The import of pipe is connected, and is disposed with relief valve, the first electric control valve, pipe along flow direction of medium on water inlet manifold
Road filter and the second electric control valve are connected in parallel to the bypass pipe with by-passing valve, the side of bypass pipe on water inlet manifold
Pipe end is connected with the water inlet manifold before the first electric control valve valve, the water inlet after other side pipe end and the second electric control valve valve
General pipeline is connected, and the cooling water inlet of every crystallizer is connected to the outlet of water inlet manifold, every crystallization by water inlet pipe respectively
The cooling water outlet of device is connected to the import of outfall sewer by exit branch respectively, and the import of every heat exchanger passes through band the respectively
The outlet of the first return branch connection outfall sewer of three electric control valves, the outlet of every heat exchanger pass through the 4th electricity of band respectively
Second return branch of dynamic regulating valve is connected to the import of return main, the import of the outlet water cooling pond of return main simultaneously.
2. a kind of conticaster crystallizer cooling water recirculation system according to claim 1, it is characterised in that: in every water pump
Import and exit be provided with the 5th electric control valve.
3. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: further include
Spare cooling water storage tower, the outlet of spare cooling water storage tower pass through the spare cooling water inlet pipe of the 6th electric control valve of band
It is connected with the water inlet manifold before the first electric control valve valve or with the water inlet manifold after the second electric control valve valve.
4. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: second
The first flowmeter to monitor water inlet manifold flow in real time is additionally provided on water inlet manifold after electric control valve valve.
5. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: be discharged
The 7th electric control valve and second flowmeter are provided on general pipeline.
6. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: in return water
The 8th electric control valve is provided on general pipeline.
7. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: intaking
The 9th electric control valve is provided on branch pipe and exit branch.
8. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: in cold water
It is provided with alarm in pond and the liquidometer to real-time monitoring cold water pit level, liquidometer are connect with alarm signal, works as liquid
When position meter monitors that liquid level is below or above safety levels in water cooling pond, alarm can be sounded an alarm.
9. a kind of conticaster crystallizer cooling water recirculation system according to claim 1 or 2, it is characterised in that: heat exchanger
For plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478077.4A CN109351927A (en) | 2018-12-05 | 2018-12-05 | A kind of conticaster crystallizer cooling water recirculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811478077.4A CN109351927A (en) | 2018-12-05 | 2018-12-05 | A kind of conticaster crystallizer cooling water recirculation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109351927A true CN109351927A (en) | 2019-02-19 |
Family
ID=65331267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811478077.4A Pending CN109351927A (en) | 2018-12-05 | 2018-12-05 | A kind of conticaster crystallizer cooling water recirculation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351927A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732050A (en) * | 2019-03-06 | 2019-05-10 | 南京钢铁股份有限公司 | A kind of continuous casting machine-cut front roller-way cooling system |
| CN110052587A (en) * | 2019-04-16 | 2019-07-26 | 中冶南方连铸技术工程有限责任公司 | Crystallizer cooling water control system and method |
| CN112719250A (en) * | 2020-12-18 | 2021-04-30 | 四川福蓉科技股份公司 | Constant-temperature and constant-pressure cooling circulation system and control method thereof |
| CN113881853A (en) * | 2021-10-15 | 2022-01-04 | 上海西重所重型机械成套有限公司 | Circulating water temperature control device and use method |
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| CN104525885A (en) * | 2014-12-31 | 2015-04-22 | 中冶东方工程技术有限公司 | Cast steel strong cooling spraying system and strong cooling technology method |
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| CN209303668U (en) * | 2018-12-05 | 2019-08-27 | 联峰钢铁（张家港）有限公司 | A kind of conticaster crystallizer cooling water recirculation system |
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2018
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| GB1356479A (en) * | 1970-12-16 | 1974-06-12 | Voest Ag | Apparatus for cooling a continuous casting mould |
| US4182397A (en) * | 1978-07-03 | 1980-01-08 | Allis-Chalmers Corporation | Continuous casting mold and means for securing mold liners therein |
| CN201618832U (en) * | 2009-12-28 | 2010-11-03 | 舞阳钢铁有限责任公司 | Electromagnetic stirring cooling device |
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| CN104525885A (en) * | 2014-12-31 | 2015-04-22 | 中冶东方工程技术有限公司 | Cast steel strong cooling spraying system and strong cooling technology method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732050A (en) * | 2019-03-06 | 2019-05-10 | 南京钢铁股份有限公司 | A kind of continuous casting machine-cut front roller-way cooling system |
| CN109732050B (en) * | 2019-03-06 | 2023-11-03 | 南京钢铁股份有限公司 | Cooling system for roller way of continuous casting machine before cutting |
| CN110052587A (en) * | 2019-04-16 | 2019-07-26 | 中冶南方连铸技术工程有限责任公司 | Crystallizer cooling water control system and method |
| CN112719250A (en) * | 2020-12-18 | 2021-04-30 | 四川福蓉科技股份公司 | Constant-temperature and constant-pressure cooling circulation system and control method thereof |
| CN112719250B (en) * | 2020-12-18 | 2022-04-01 | 四川福蓉科技股份公司 | Constant-temperature and constant-pressure cooling circulation system and control method thereof |
| CN113881853A (en) * | 2021-10-15 | 2022-01-04 | 上海西重所重型机械成套有限公司 | Circulating water temperature control device and use method |
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