CN105964962B - Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN - Google Patents
Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
- Publication number
- CN105964962B CN105964962B CN201610293608.7A CN201610293608A CN105964962B CN 105964962 B CN105964962 B CN 105964962B CN 201610293608 A CN201610293608 A CN 201610293608A CN 105964962 B CN105964962 B CN 105964962B
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline
- strand
- heat exchanger
- continuous casting
- 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.)
- Active
Links
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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
Abstract
Continuous casting recirculated cooling water and the process of strand UTILIZATION OF VESIDUAL HEAT IN, are that a part of continuous casting workshop cooling water pipeline is introduced into the strand waste heat Baking out device above strand roller-way, are heated into vapor and hot water, vapor and hot water are respectively delivered to need to locate.The system of process includes water-cooling device part, strand waste heat Baking out device part and collection device part, water-cooling device part is that water pump group water inlet and water outlet are connected with continuous casting workshop cooling-water treatment apparatus and cold water pipeline respectively, strand waste heat Baking out device part is that heat exchanger is arranged on above strand, heat exchanger is connected with cold water pipeline and hot water line respectively, gas-liquid separator is connected between hot water line and vapor pipeline, and collection device part is respectively by vapor and hot water input vapor collection device and heating water collecting device.Beneficial effect is：Realize continuous casting workshop recirculated cooling water and continuous casting billet UTILIZATION OF VESIDUAL HEAT IN；Exterior line is few, is conducive to energy-saving and emission-reduction.
Description
Technical field
The invention belongs to metallurgical continuous casting production line field, more particularly to slab cooling water is radiated with strand in continuous casting line
Heat utilization.
Background technology
In metallurgical continuous casting production line, secondary cooling area for continuous casting spraying cooling water is in addition to portions under heat evaporates, most of oxidized iron
Sulci of skin flows into scale pit, then after a series of cold water process technique, qualified water is re-introduced into continuous casting cooling system
System, is recycled.The strand of casting process crystallizer aftershaping, by ejection roller way, passes through natural cooling slow cooling to one
Constant temperature degree, for typical temperature at 850~1000 DEG C, strand is finally down to room temperature at stacking.In traditional continuous casting technology, continuous casting life
Substantial amounts of thermal energy in the above process in producing line all distributes naturally, wastes substantial amounts of thermal energy.Therefore, continuous casting is given birth to
The heat energy recycle of strand annealing process is this area technical issues that need to address in producing line.
The content of the invention
The object of the present invention is to provide continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN, realize
The Collection utilization of strand waste heat during continuous casting normal operation.Realized by increasing strand surplus heat collection device above roller-way,
Reach energy-saving and emission-reduction, increase the purpose of economic benefit.
The technical scheme is that：Continuous casting recirculated cooling water and the process of strand UTILIZATION OF VESIDUAL HEAT IN, including continuous casting car
Between cold water process and strand UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that：The continuous casting workshop cold water process is by a part of pass through
Reason reaches the strand waste heat Baking out device above the continuous casting workshop cooling water pipeline introducing strand roller-way of water quality requirement, even
Casting workshop cooling water is heated into vapor and hot water in strand waste heat Baking out device, and the vapor and hot water being heated into lead to
Cross pipeline and be respectively fed to vapor collection device and heating water collecting device, vapor collection device and heating water collecting device will
Vapor and heating water are respectively delivered to need to locate.
Continuous casting recirculated cooling water of the present invention and the system of the process of strand UTILIZATION OF VESIDUAL HEAT IN, including water-cooling device portion
Point, strand waste heat Baking out device part and collection device part, it is characterised in that：The water-cooling device part includes continuous casting
Workshop cooling-water treatment apparatus, water pump group and cold water pipeline, continuous casting workshop cooling-water treatment apparatus are equipped with water outlet, water pump group
Water inlet be connected by pipeline with the water outlet on continuous casting workshop cooling-water treatment apparatus, the water outlet and cold water pipe of water pump group
Road one end is connected, and is equipped with filter, cold water flow meter and cold water pressure meter on cold water pipeline successively；The strand waste heat baking adds
Thermal part includes strand roller-way, heat exchanger, gas-liquid separator, hot water line and vapor pipeline, and the heat exchanger is set
Above strand roller-way, position at place opposite with the strand on strand roller-way, the distance on heat exchanger distance casting blank surface for 100~
150mm, heat exchanger are installed on by structural member in the supporting structure of the roller of strand roller-way, the water inlet and cold water pipe of heat exchanger
The road other end is connected, and the water outlet of heat exchanger is connected with water outlet pipeline with hot water line, and the gas-liquid separator is connected to heat
Between water lines and vapor pipeline, vapor pipeline is located above hot water line, distinguishes on vapor pipeline and hot water line
Equipped with steam pipework throttle valve and hot water line's throttle valve, hot water line's flowmeter and hot water line's pressure are additionally provided with hot water line
Power meter；The collection device part includes vapor collection device and heating water collecting device, hot water line and vapor pipeline
It is connected respectively with heating water collecting device and vapor collection device.
Continuous casting recirculated cooling water of the present invention and the system of the process of strand UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that：Institute
The heat exchanger for stating strand waste heat Baking out device is made of several, several heat exchangers are arranged in juxtaposition along strand roller-way, often
Spacing distance is 30mm between two heat exchangers, each heat exchanger is equipped with each independent water inlet and water outlet, Ge Gehuan
The water inlet of hot device is connected in parallel on cold water pipeline by water inlet pipeline, and the water inlet pipeline of each heat exchanger is equipped with cold water
Pipe throttle valve, the water outlet pipeline of each heat exchanger are connected in parallel on hot water line, in the water outlet pipeline of each heat exchanger
Equipped with thermometer.
Continuous casting recirculated cooling water of the present invention and the system of the process of strand UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that：Institute
The heat exchanger for stating strand waste heat Baking out device is coil exchanger or helix tube type heat exchanger.
The present invention workflow be：
The cooling water of continuous casting workshop reaches qualified water quality, a portion cooling after cooling-water treatment apparatus is handled
Water enters in continuous-cast blank cooling link, and other part cooling water is then entered in strand afterheat utilizing system by pump group.Water
The cooling water of certain flow is delivered in cold water pipeline by pump group, and cooling water impurity is removed by filter in cold water pipeline,
Cold water loine pressure is P1, flow F1.Cooling water respectively enters open heat exchanger by throttle valve under the pressure of water pump group
In, carry out the strand heat exchange of water and high temperature on continuous casting roller-way.Such as live continuous casting casting speed height, heat exchanger outlet temperature is not up to
To desired value, can adjust throttle valve reduces the flow of water in heat exchanger, makes up to desired value；Such as live continuous casting casting speed
Low, heat exchanger outlet temperature is higher than desired value, then can adjust the flow that throttle valve increases water in heat exchanger, make up to target
Value.
It is arranged in juxtaposition using multiple heat exchangers along strand roller-way, can be according to the ejection speed of strand roller-way, to greatest extent
The heating time of heat exchanging WATER AS FLOW MEDIUM is increased, lifts heat transfer effect.The quantity of heat exchanger is determined according to the length of strand roller-way.Casting
For continuous casting billet in blank roller way in normal ejection, casting blank surface temperature generally at 850~1000 DEG C, passes through heat exchange
Device, aqueous medium is heated or even seethed with excitement, produce substantial amounts of hot water and vapor.Gas-liquid separator well can steam hot water and water
Qi leel is from steam pipework is located at directly over hot water line, the steam and hot water separation produced easy to heat exchanger.
The beneficial effects of the invention are as follows：
1st, continuous casting workshop circulating cooling water reuse is realized；
2nd, the Collection utilization of continuous casting billet waste heat is realized；
3rd, realize workshop recirculated cooling water and gather materials on the spot and be combined utilization with strand waste heat, reduce the defeated of exterior line
Enter, reached the recycling of the energy and industry energy conservation emission reduction purpose in industrial production, added economic benefit.
Brief description of the drawings
Fig. 1 is continuous casting recirculated cooling water and the structure diagram of the process of strand UTILIZATION OF VESIDUAL HEAT IN
Fig. 2 installs section structure diagram for strand waste heat Baking out device on roller-way
In figure：1-heat exchanger, 2-strand, 3-roller, 4-cold water pipeline 5-hot water line, 6-vapor pipeline
7-water pump group 8-filter, 9-cold water pipeline throttle valve 10-hot water line throttle valve 11-steam pipework throttle valve
F-flowmeter P-pressure gauge T-thermometer S-I-water-cooling device of gas-liquid separator part ii-strand waste heat baking
III-collection device of heating mechanism portion part.
Embodiment
Below in conjunction with drawings and examples, the present invention will be further described.
Continuous casting recirculated cooling water and strand afterheat utilizing system, including water-cooling device part I, strand waste heat Baking out dress
Put part ii and collection device part III, water-cooling device part I includes continuous casting workshop cooling-water treatment apparatus, water pump group 7 and cold
Water lines 4, continuous casting workshop cooling-water treatment apparatus are equipped with water outlet, and the water inlet of water pump group 7 passes through pipeline and continuous casting workshop
Water outlet on cooling-water treatment apparatus is connected, and the water outlet of water pump group 7 is connected with 4 one end of cold water pipeline, on cold water pipeline 4 according to
It is secondary to be equipped with filter 8, cold water flow meter F1With cold water pressure meter P1；Strand waste heat Baking out device part ii includes strand roller
Road, heat exchanger 1, liquid/gas separator S, hot water line 5 and vapor pipeline 6, heat exchanger 1 are arranged on above strand roller-way, and position exists
Opposite with the strand 2 on strand roller-way to locate, the distance on 1 distance casting blank of heat exchanger, 2 surface is 100~150mm, and heat exchanger 1 passes through
Structural member is installed in the supporting structure of the roller 3 of strand roller-way, and the water inlet of heat exchanger 1 is connected with 4 other end of cold water pipeline,
The water outlet water outlet pipeline of heat exchanger 1 is connected with hot water line 5, and gas-liquid separator S is connected to hot water line 5 and vapor
Between pipeline 6, vapor pipeline 6 is located at the top of hot water line 5, and steam pipe is respectively equipped with vapor pipeline 6 and hot water line 5
Road throttle valve 11 and hot water line's throttle valve 10, are additionally provided with hot water line's flowmeter F on hot water line 52With hot water line's pressure
Count P2；Collection device part III includes vapor collection device and heating water collecting device, hot water line 5 and vapor pipeline 6
It is connected respectively with heating water collecting device and vapor collection device.
Heat exchanger 1 is made of several, several heat exchangers 1 are arranged in juxtaposition along strand roller-way, between each two heat exchanger 1
Spacing distance is 30mm, each heat exchanger 1 is equipped with each independent water inlet and water outlet, the water inlet of each heat exchanger 1
It is connected in parallel on by water inlet pipeline on cold water pipeline 4, the water inlet pipeline of each heat exchanger 1 is equipped with cold water pipeline throttle valve
9, the water outlet pipeline of each heat exchanger 1 is connected in parallel on hot water line 5, and the water outlet pipeline of each heat exchanger 1 is equipped with temperature
Degree meter T1、T2……Tn.Heat exchanger 1 is coil exchanger or helix tube type heat exchanger.
The process of continuous casting recirculated cooling water and strand afterheat utilizing system, including continuous casting workshop cold water process and casting
Base UTILIZATION OF VESIDUAL HEAT IN, continuous casting workshop cold water process are that the continuous casting workshop cooling water that a part is reached to water quality requirement by processing is used
Pipeline introduces the strand waste heat Baking out device above strand roller-way, and continuous casting workshop cooling water is filled in strand waste heat Baking out
Vapor and hot water are heated into putting, the vapor and hot water being heated into are respectively fed to vapor collection device by pipeline and add
Vapor and heating water are respectively delivered to need to locate by hot-water collection device, vapor collection device and heating water collecting device.
Claims (3)
1. continuous casting recirculated cooling water and strand afterheat utilizing system, system includes water-cooling device part (I), the baking of strand waste heat adds
Thermal part (II) and collection device part (III), it is characterised in that：It is cold that the water-cooling device part (I) includes continuous casting workshop
But water treatment facilities, water pump group (7) and cold water pipeline (4), continuous casting workshop cooling-water treatment apparatus are equipped with water outlet, water pump group
(7) water inlet is connected by pipeline with the water outlet on continuous casting workshop cooling-water treatment apparatus, the water outlet of water pump group (7) with
Cold water pipeline (4) one end is connected, and is equipped with filter (8), cold water flow meter (F on cold water pipeline (4) successively1) and cold water pressure meter
(P1)；The strand waste heat Baking out device part (II) includes strand roller-way, heat exchanger (1), gas-liquid separator (S), heat
Water lines (5) and vapor pipeline (6), the heat exchanger (1) are arranged on above strand roller-way, position with strand roller-way
Strand (2) is opposite to be located, and the distance on heat exchanger (1) distance casting blank (2) surface is 100~150mm, and heat exchanger (1) passes through structural member
In the supporting structure of the roller (3) of strand roller-way, the water inlet of heat exchanger (1) is connected with cold water pipeline (4) other end,
The water outlet water outlet pipeline of heat exchanger (1) is connected with hot water line (5), and the gas-liquid separator (S) is connected to hot-water line
Between road (5) and vapor pipeline (6), vapor pipeline (6) is located above hot water line (5), vapor pipeline (6) and hot water
Steam pipework throttle valve (11) and hot water line's throttle valve (10) are respectively equipped with pipeline (5), hot water line is additionally provided with heat on (5)
Water lines flowmeter (F2) and hot water line's pressure gauge (P2)；The collection device part (III) include vapor collection device and
Water collecting device is heated, hot water line (5) and vapor pipeline (6) are respectively with heating water collecting device and vapor collection device
It is connected.
2. continuous casting recirculated cooling water and strand afterheat utilizing system according to claim 1, it is characterised in that：More than the strand
The heat exchanger (1) of hot Baking out device is made of several, several heat exchangers (1) are arranged in juxtaposition along strand roller-way, and every two
Spacing distance is 30mm between a heat exchanger (1), each heat exchanger (1) is equipped with each independent water inlet and water outlet, respectively
The water inlet of a heat exchanger (1) is connected in parallel on cold water pipeline (4) by water inlet pipeline, the water inlet of each heat exchanger (1)
Pipeline is equipped with cold water pipeline throttle valve (9), and the water outlet pipeline of each heat exchanger (1) is connected in parallel on hot water line (5), each
The water outlet pipeline of a heat exchanger (1) is equipped with thermometer (T1、T2……Tn)。
3. continuous casting recirculated cooling water and strand afterheat utilizing system according to claim 2, it is characterised in that：More than the strand
The heat exchanger (1) of hot Baking out device is coil exchanger or helix tube type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293608.7A CN105964962B (en) | 2016-05-05 | 2016-05-05 | Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293608.7A CN105964962B (en) | 2016-05-05 | 2016-05-05 | Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964962A CN105964962A (en) | 2016-09-28 |
| CN105964962B true CN105964962B (en) | 2018-05-01 |
Family
ID=56991319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610293608.7A Active CN105964962B (en) | 2016-05-05 | 2016-05-05 | Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105964962B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056012A (en) * | 2017-05-18 | 2017-08-18 | 中冶华天工程技术有限公司 | A kind of strand annealing process dries the method and system of pickling sludge |
| CN107598111A (en) * | 2017-09-29 | 2018-01-19 | 四川德胜集团钒钛有限公司 | A kind of continuous casting cooling Water Sproading and afterheat utilizing system |
| CN108480582B (en) * | 2018-04-28 | 2023-04-28 | 邯郸钢铁集团有限责任公司 | System and method for intelligently collecting water vapor generated in casting blank rapid cooling process |
| CN109175284A (en) * | 2018-09-10 | 2019-01-11 | 武汉科技大学 | A kind of efficient, energy-efficient continuous casting secondary cooling method |
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044957A2 (en) * | 1980-07-24 | 1982-02-03 | Costruzioni Meccaniche F.B.M. S.p.A. | System for recovering latent and sensible heat of effluent gases from a melting installation, for the purpose of obtaining electric and/or heat energy |
| CN2499150Y (en) * | 2001-09-20 | 2002-07-10 | 莱芜钢铁集团有限公司 | Device for recovering radiation heat of steel billet |
| CN101078596A (en) * | 2007-03-23 | 2007-11-28 | 马春 | Hot steel blank residual heat reclamation device |
| CN101260816A (en) * | 2008-04-18 | 2008-09-10 | 朱学仪 | Method and device for reclaiming and utilizing billet residual heat |
| CN102667336A (en) * | 2009-10-28 | 2012-09-12 | Sms西马格股份公司 | Method for reclaiming energy in smelting systems and smelting system based on thermocouples |
| CN102861883A (en) * | 2012-10-22 | 2013-01-09 | 东南大学 | Waste heat recovery device for billets produced by continuous casting machine |
| CN203501875U (en) * | 2013-08-26 | 2014-03-26 | 山东西王特钢有限公司 | Waste heat utilization device for casting blank |
| CN103894561A (en) * | 2014-03-14 | 2014-07-02 | 林立峰 | Continuous casting heat recovery system and method |
| CN205571370U (en) * | 2016-05-05 | 2016-09-14 | 大连华锐重工集团股份有限公司 | Continuous casting recirculated cooling water and casting blank waste heat utilization system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58116966A (en) * | 1981-12-30 | 1983-07-12 | Sumitomo Metal Ind Ltd | Recovering method of waste heat of continuous casting material |
-
2016
- 2016-05-05 CN CN201610293608.7A patent/CN105964962B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044957A2 (en) * | 1980-07-24 | 1982-02-03 | Costruzioni Meccaniche F.B.M. S.p.A. | System for recovering latent and sensible heat of effluent gases from a melting installation, for the purpose of obtaining electric and/or heat energy |
| CN2499150Y (en) * | 2001-09-20 | 2002-07-10 | 莱芜钢铁集团有限公司 | Device for recovering radiation heat of steel billet |
| CN101078596A (en) * | 2007-03-23 | 2007-11-28 | 马春 | Hot steel blank residual heat reclamation device |
| CN101260816A (en) * | 2008-04-18 | 2008-09-10 | 朱学仪 | Method and device for reclaiming and utilizing billet residual heat |
| CN102667336A (en) * | 2009-10-28 | 2012-09-12 | Sms西马格股份公司 | Method for reclaiming energy in smelting systems and smelting system based on thermocouples |
| CN102861883A (en) * | 2012-10-22 | 2013-01-09 | 东南大学 | Waste heat recovery device for billets produced by continuous casting machine |
| CN203501875U (en) * | 2013-08-26 | 2014-03-26 | 山东西王特钢有限公司 | Waste heat utilization device for casting blank |
| CN103894561A (en) * | 2014-03-14 | 2014-07-02 | 林立峰 | Continuous casting heat recovery system and method |
| CN205571370U (en) * | 2016-05-05 | 2016-09-14 | 大连华锐重工集团股份有限公司 | Continuous casting recirculated cooling water and casting blank waste heat utilization system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105964962A (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105964962B (en) | Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN | |
| CN104646420B (en) | A kind of continuous casting and rolling produces the method for copper bar | |
| CN205702357U (en) | The online fast cooling device of strand | |
| CN205571370U (en) | Continuous casting recirculated cooling water and casting blank waste heat utilization system | |
| CN204211856U (en) | A kind of polycrystalline ingot furnace with heat-exchange system | |
| CN206563501U (en) | A kind of rotary kiln cement clinker production line waste heat recycling system | |
| CN105618492B (en) | It is a kind of for being quickly cooled down system after the rolling of steel plate on-line solution | |
| CN202356609U (en) | Waste heat utilization system of casting cooling water | |
| CN102632206B (en) | Novel environment-friendly and safe heating device for burial pits and method | |
| CN201770747U (en) | Residual-heat utilization steel-tape heat treatment system | |
| CN106802090A (en) | A kind of rotary kiln cement clinker production line waste heat recycling system | |
| CN104653242B (en) | A kind of Direct Air-cooled Unit waste-heat recovery device | |
| CN207335221U (en) | Recirculated water and steam utilization system in winter condition brewing process | |
| CN106017109A (en) | Energy-saving process of blast furnace circulating water cooling system with upper tower pumps | |
| CN206396285U (en) | A kind of steel wire isothermal patenting device for crossing recuperation of heat | |
| CN106196145B (en) | A kind of large size negative-pressure heating furnace air preheating system and method | |
| CN107598111A (en) | A kind of continuous casting cooling Water Sproading and afterheat utilizing system | |
| CN205227896U (en) | Condensate water is recovery system again | |
| CN103966418B (en) | A kind of process furnace low level drum evaporated cooling system | |
| CN109020190A (en) | Suitable for producing the big bushing water cooling plate-inserting structure of continuous basalt fiber | |
| CN205275649U (en) | Novel water -cooling stove roller | |
| CN104359223B (en) | System and method using exhaust steam in steam turbine as steam air heater of utility boiler thermal medium | |
| CN203855622U (en) | Low steam drum evaporation cooling system for heating furnace | |
| CN202555786U (en) | Novel environment-friendly safety heating device for burial pit | |
| CN112813250A (en) | Water-cooled temperature control device and method for furnace top roller chamber of direct-fired furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |