CN110014136A - A kind of method that the independent water mold of nesting realizes electroslag smelting casting removal subsidy - Google Patents
A kind of method that the independent water mold of nesting realizes electroslag smelting casting removal subsidy Download PDFInfo
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- CN110014136A CN110014136A CN201910328515.7A CN201910328515A CN110014136A CN 110014136 A CN110014136 A CN 110014136A CN 201910328515 A CN201910328515 A CN 201910328515A CN 110014136 A CN110014136 A CN 110014136A
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- water mold
- independent water
- subsidy
- independent
- nested
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/06—Melting-down metal, e.g. metal particles, in the mould
- B22D23/10—Electroslag casting
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Abstract
A kind of control method for realizing ESR Process removal subsidy by nested independent water mold, it is characterized by: subsidizing shape and position according to product, manufacture can automatically adjust the independent water mold of subsidy size, every piece of crystallizer height about 120~300mm.Independent water mold can realize removal subsidy task in main body crystallizer realization body founding task by elevating mechanism safely insertion slag.Independent water mold can be controlled separately Inlet and outlet water, can be 1,2 or multiple.Each independent water mold can control Inlet and outlet water, be vortexed based on shape within water-cooling structure；Its water inlet pipe is located at the intermediate region in Base Heat quantity set, and outlet pipe is located at bottom region low in calories.
Description
Technical field
The present invention relates to the control methods of casting field high temperature removal subsidy, especially provide a kind of electroslag smelting casting shaped piece
With the control method of crystallizer high temperature removal subsidy.
Background technique
The fusing of electroslag smelting casting collection, refining, nearly final set are integrally formed admittedly, are the Special Processes of Metal Castings methods for producing high-quality casting
One of.In today that equipment manufacture rapidly develops, the demand of electroslag smelting casting part is growing day by day.As electroslag smelting casting shaped piece produces
Product production difficulty is increasing, and profit is lower and lower, how under the conditions of not influencing casting quality, effectively removes casting subsidy,
Saving casting molten steel becomes the key generated profit.
Because shaped piece structure is relative complex, corresponding electroslag smelting casting crystallizer and independent water mold working face copper
Plate, water seam, jacket structure for water are complicated, and applying working condition is severe.Especially electroslag smelting casting independence water mold, multiple faces when using
With high-temperature slag or liquid metal contacts.Technical staff summarizes the water route form of conventional art and inventive improvements water seam, water jacket,
By reinforcing the cooling effect of working face, independent water mold use reliability and service life are improved.
By literature search, the pertinent literature to prolong the service life both at home and abroad is (such as " China YouSe Acta Metallurgica Sinica " 2012 years the
The phase of volume 22 the 8th, Meng Xiangning, Wang Weiling, Zhu Miaoyong, influence of the cooling structure to continuous casting crystallizer copper plate stress distribution；" metallurgy is set
It is standby " the 6th phase in 2001, Shen Xianguang, Zhang Yujun, Meng Minzhong, influence of the crystallizer relevant parameter to its service life；" Shenyang aviation work
Industry institute journal " the 3rd phases of volume 19 in 2002, Li Qingzhong, Wang Zheming, Yu Xiukun, billet mould cavity shape local improvement
And life test research etc..
The advantages of above-mentioned technology, mainly applicable continuous casting class crystallizer, solution are mostly local parameter fine tuning, it is difficult to effectively
It is applied to the design and manufacture of electroslag smelting casting special-shaped casts crystallizer.
Summary of the invention
It is an object of the invention to reduce the subsidy amount in shaped piece ESR Process, its molten steel Utilization rate is improved, it is real
Existing profit maximization.
The use process controllability of independent water mold is high, validity is good, stability is good, and long service life is the hair
Bright key.
To achieve the above object, the present invention provides a kind of independent water molds of nesting to realize electroslag smelting casting removal subsidy
Method, shape and position are subsidized according to product, manufacture can automatically adjust the independent water mold of subsidy size, and every agllutination is brilliant
Device height about 120~300mm.Independent water mold can ensure that ESR Process is independent by elevating mechanism up and down adjustment
In a part safety insertion slag of water mold.Main body crystallizer realization body founding task, independent water mold are real
Subsidy task is now removed, the two is used in combination.Independent water mold can be controlled separately Inlet and outlet water, and independent water mold can be with
It is 1,2 or multiple.Each independent water mold can require individually control disengaging taps and water size according to founding,
It is vortexed based on shape within water-cooling structure.Water inlet pipe is located in independent water mold Base Heat quantity set when interior vortex shape water-cooling structure
Intermediate region, outlet pipe is located at independent water mold bottom region low in calories.
The purpose of the present invention is what is realized by following measures and step:
Step 1: subsidizing shape and position according to product, manufacture can automatically adjust the independent water mold of subsidy size；
Step 2: subsidizing shape and position according to product, independent water mold is equipped with elevating mechanism moving up and down,
Determine the face structure of independent water mold and its preset clearance d (generally 3~15mm) of working face and lower crystallizer,
Its internal watercourses structure, every piece of crystallizer height about 120~300mm, according to actual process need are established according to crystallizer working face
Determine the specific nested position of independent water mold.
Step 3: main body crystallizer realization body founding task, independent water mold realizes removal subsidy task, the two
In conjunction with completion.Threaded hole (13) test independence water of independent water mold upper end is driven by the thread spindle of elevating mechanism lower end
Cooling crystallizer e depth into lower crystallizer, and can be by U-type groove (14) and limited screw hole (16), it will be independent with limited screw
Water mold test position is locked.The e depth is 30~150mm.
The independent water mold height is 120~300mm.
The core of the elevating mechanism is one of speed reducer or hydraulic press.
The number of the independent water mold is 1-100, and each independent water mold is equipped with separate valve and pressure
Table, independent water mold can be 1,2 or multiple, can adjust valve switch and influent pressure at any time according to the technological requirements
Power.
The independent water mold water-cooling structure is that formula is returned at the water seam bottom of interior eddy current type, Z-shaped Zigzag type or routine.
When eddy current type is main within the independent water mold water-cooling structure is preferred, water inlet pipe is located at the crystallization of independent water cooling
Intermediate region in device Base Heat quantity set, outlet pipe are located at independent water mold bottom region low in calories.
The independent water mold ensures a part of ESR Process independence water mold by elevating mechanism
In safety insertion slag.
Independent water mold is usually not involved in the cooling of other crystallizers.Whirlpool within independent water mold water-cooling structure
It flows based on shape.
Compared with prior art, the present invention possessed advantage is as follows:
(1) in main body crystallizer realization body founding task, nested independent water mold is to suitable position to remove
Subsidy, reference current technology can greatly save molten steel amount.
(2) independent water mold uses independent water cooling mode compared with the mode of series connection water pipe is returned at existing water seam bottom, cold
But the pressure loss of system is low, and safety is higher.
(3) independent water mold is usually not involved in the cooling of other crystallizers.Independent water mold water-cooling structure with
Based on interior eddy current type, formula mode is returned at the existing water seam bottom of reference, and the water cooling of working face highest temperature area is more concentrated.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Independence water mold and linkage figure (upper and lower crystallizer is free of in figure) when Fig. 1 inoperative
Independence water mold hydrographic chart (upper and lower crystallizer is free of in figure) when Fig. 2 inoperative
Independence water mold and linkage figure (containing upper and lower crystallizer in figure) when Fig. 3 works
Independence water mold and crystallizer location diagram in main body when Fig. 4 works
Independence water mold and crystallizer location diagram under main body when Fig. 5 works
Wherein, 11 speed reducers are the elevating mechanism of core, 12 hydraulic presses are the elevating mechanism of core, 13 threaded holes, 14U type
Slot, 15 independent water molds, 16 limited screw holes.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Production firm person is not specified in instrument, is the conventional products that can be obtained by commercially available purchase.
The control that ESR Process removal subsidy is realized by nested independent water mold a kind of to the present invention below
Method is specifically described.
The purpose of the present invention is what is realized by following measures and step:
Step 1: subsidizing shape and position according to product, manufacture can automatically adjust the independent water mold of subsidy size；
Step 2: subsidizing shape and position according to product, independent water mold is equipped with elevating mechanism moving up and down,
Determine the face structure of independent water mold and its preset clearance d (generally 3~15mm) of working face and lower crystallizer,
Its internal watercourses structure, every piece of crystallizer height about 120~300mm, according to actual process need are established according to crystallizer working face
Determine the specific nested position of independent water mold.
Step 3: main body crystallizer realization body founding task, independent water mold realizes removal subsidy task, the two
In conjunction with completion.Threaded hole (13) test independence water of independent water mold upper end is driven by the thread spindle of elevating mechanism lower end
Cooling crystallizer e depth into lower crystallizer, and can be by U-type groove (14) and limited screw hole (16), it will be independent with limited screw
Water mold test position is locked.The e depth is 30~150mm.
The independent water mold height is 120~300mm.
The core of the elevating mechanism is one of speed reducer or hydraulic press.
The number of the independent water mold is 1-100, and each independent water mold is equipped with separate valve and pressure
Table, independent water mold can be 1,2 or multiple, can adjust valve switch and influent pressure at any time according to the technological requirements
Power.
The independent water mold water-cooling structure is that formula is returned at the water seam bottom of interior eddy current type, Z-shaped Zigzag type or routine.
When eddy current type is main within the independent water mold water-cooling structure is preferred, water inlet pipe is located at the crystallization of independent water cooling
Intermediate region in device Base Heat quantity set, outlet pipe are located at independent water mold bottom region low in calories.
The independent water mold ensures a part of ESR Process independence water mold by elevating mechanism
In safety insertion slag.
Independent water mold is usually not involved in the cooling of other crystallizers.Whirlpool within independent water mold water-cooling structure
It flows based on shape.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1:
The martensitic stain less steel guide vane that material is 06Cr13Ni4Mo is chosen, is prepared by the method for electroslag smelting casting.
(1) according to the geomery of guide vane and technical requirements, design technology subsidy amount determines main body crystallizer, independent water
The working face size of cooling crystallizer.
(2) main body crystallizer is the split modular structure of copper steel welding, and upper crystallizer is simple straight tube shape, using normal
Advise design method；Lower crystallizer main part uses conventional design method, and independent water mold shape of working surface and product are mended
It is similar to repay area's shape, independent water mold working face and main body crystallizer gap d are 8~15mm.Working face copper sheet and water stitch
Between width be 23~30mm, crystallizer internal cavity copper sheet is the preparation of metal hot bending+machining manufacturing process, 16~20mm of thickness.
(3) it is 1500mm that whole body height is crystallized under, and conventional design is divided into 5 layers, every layer height 300mm.Crystallizer is cold
But peak width 1100mm walks water space 25mm between gusset and flanged plate.
(4) independent water mold manufacturing process: working face copper sheet is vortexed shape water route by being molded integrally formed preparation
When plate, flanged plate preparation and working face copper sheet is soldered to one.
(5) upper flange drilling welding inlet and outlet pipes.
(6) elevating mechanism that upper flange welded and configured motor, speed reducer drives, elevating mechanism ensure electroslag smelting casting
Independent water mold can move up and down in journey.
(7) fusion-casting process
1. slag system and the quantity of slag match, CaF2: 70%, Al2O3: 30%, slag charge weight is the 2% of guide vane weight.
2. using the solid slag starting the arc, starting the arc material chemical component is TiO with mass percent2: 45%, CaF2: 53%, MgO:
2%.
3. power supply parameter selects: according to the geometric parameter and founding of casting dimension, electrode and crystallizer, determining distribution
Parameter.
4. electroslag smelting casting is to when just replacing with crystallizer, at the beginning of melting long axial electrode, starting fits over crystallizer bottom
Elevating mechanism on flange, it is 140~150mm that elevating mechanism, which drives the independent downward crystallizer of water mold to probe into depth e,.
Entire electroslag casting guide blade process, electroslag when the same routine of electroslag smelting casting electrical power technique is without independent water mold
Founding guide vane technique.
Embodiment 2:
The martensitic stain less steel guide vane that material is 06Cr13Ni4Mo is chosen, is prepared by the method for electroslag smelting casting.
(1) according to the geomery of guide vane and technical requirements, design technology subsidy amount determines main body crystallizer, independent water
The working face size of cooling crystallizer.
(2) main body crystallizer is the split modular structure of copper steel welding, and upper crystallizer is simple straight tube shape, using normal
Advise design method；Lower crystallizer main part uses conventional design method, and independent water mold shape of working surface and product are mended
It is similar to repay area's shape, independent water mold working face and main body crystallizer gap d are 3~8mm.Between working face copper sheet and water seam
Width is 15~23mm, and crystallizer internal cavity copper sheet is metal hot bending+machining manufacturing process preparation, 8~15mm of thickness.
(3) it is 560mm that whole body height is crystallized under, and conventional design is divided into 3 layers, and from top to bottom, every layer height is respectively
120mm (independent water mold), 300mm, 140m.Crystallizer cooled region width 1100mm, is walked between gusset and flanged plate
Water space 20mm.
(4) independent water mold manufacturing process: working face copper sheet is vortexed shape water route by being molded integrally formed preparation
When plate, flanged plate preparation and working face copper sheet is soldered to one.
(5) upper flange drilling welding inlet and outlet pipes.
(6) elevating mechanism that upper flange welded and configured motor, speed reducer drives, elevating mechanism ensure electroslag smelting casting
Independent water mold can move up and down in journey.
(7) fusion-casting process
1. slag system and the quantity of slag match, CaF2: 70%, Al2O3: 30%, slag charge weight is the 2% of guide vane weight.
2. using the melt cinder starting the arc, starting the arc material chemical component is TiO with mass percent2: 50%, CaF2: 50%.
3. power supply parameter selects: according to the geometric parameter and founding of casting dimension, electrode and crystallizer, determining distribution
Parameter.
4. electroslag smelting casting is to when just replacing with crystallizer, at the beginning of melting long axial electrode, starting fits over crystallizer bottom
Elevating mechanism on flange, it is 30~35mm that elevating mechanism, which drives the independent downward crystallizer of water mold to probe into depth e,.
Entire electroslag casting guide blade process, electroslag when the same routine of electroslag smelting casting electrical power technique is without independent water mold
Founding guide vane technique.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of control method for realizing ESR Process removal subsidy by nested independent water mold, feature exist
In: specific step is as follows:
Step 1: subsidizing shape and position according to product, manufacture can automatically adjust the independent water mold of subsidy size；
Step 2: subsidizing shape and position according to product, independent water mold is determined independent by elevating mechanism up and down adjustment
Preset clearance d, internal watercourses structure and the nested position of the face structure of water mold, working face and lower crystallizer；
Step 3: main body crystallizer realization body founding task, independent water mold realizes that removal subsidy task, the two combine
It completes.
2. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the independent water mold height is 120~300mm.
3. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: preset clearance d is 3-15mm in the step 2.
4. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the core of the elevating mechanism is one of speed reducer or hydraulic press.
5. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the number of the independent water mold is 1-100, and each independent water mold is equipped with separate valve
With pressure gauge.
6. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the independent water mold water-cooling structure is that the water seam bottom of interior eddy current type, Z-shaped Zigzag type or routine is returned
Formula.
7. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the independent water mold water-cooling structure is interior eddy current type, and water inlet pipe is located at independent water mold bottom
The intermediate region that portion's heat is concentrated, outlet pipe are located at independent water mold bottom region low in calories.
8. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: the independent water mold ensures ESR Process independence water mold by elevating mechanism
In a part of safety insertion slag.
9. according to the controlling party for realizing ESR Process removal subsidy described in claim 1 by nested independent water mold
Method, it is characterised in that: threaded hole (13) test of independent water mold upper end is driven by the thread spindle of elevating mechanism lower end
Independent water mold e depth into lower crystallizer, and limited screw can be used by U-type groove (14) and limited screw hole (16)
Independent water mold test position is locked.
10. according to the control for realizing ESR Process removal subsidy described in claim 9 by nested independent water mold
Method, it is characterised in that: the e depth is 30~150mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328515.7A CN110014136B (en) | 2019-04-23 | 2019-04-23 | Method for removing subsidies in electroslag casting by nesting independent water-cooled crystallizers |
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|---|---|---|---|
| CN201910328515.7A CN110014136B (en) | 2019-04-23 | 2019-04-23 | Method for removing subsidies in electroslag casting by nesting independent water-cooled crystallizers |
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| CN110014136B CN110014136B (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643347A (en) * | 2020-12-17 | 2022-06-21 | 沈阳铸造研究所有限公司 | Method for controlling thickness of slag bath of variable cross-section casting of electroslag casting |
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| CN109604566A (en) * | 2019-01-18 | 2019-04-12 | 潍坊亚东冶金设备有限公司 | The sectionally assembled seperated special-shaped crystallizer of electroslag smelting casting blade multilayer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114643347A (en) * | 2020-12-17 | 2022-06-21 | 沈阳铸造研究所有限公司 | Method for controlling thickness of slag bath of variable cross-section casting of electroslag casting |
| CN114643347B (en) * | 2020-12-17 | 2023-08-18 | 沈阳铸造研究所有限公司 | Method for controlling thickness of slag pool of electroslag casting variable-section casting |
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| Publication number | Publication date |
|---|---|
| CN110014136B (en) | 2021-05-04 |
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