CN105665634A - Production technical process for tubular silicon-iron anode - Google Patents
Production technical process for tubular silicon-iron anode Download PDFInfo
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- CN105665634A CN105665634A CN201610049900.4A CN201610049900A CN105665634A CN 105665634 A CN105665634 A CN 105665634A CN 201610049900 A CN201610049900 A CN 201610049900A CN 105665634 A CN105665634 A CN 105665634A
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- sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a production technical process for a tubular silicon-iron anode. The production technical process comprises the specific steps of die heating, sand core production, sand box production, alloy smelting, pouring gate installation, pouring, drawing, after-treatment, assembly, boxing and delivery, wherein during the sand core production, when a rod core model is heated, a switch is activated to combine an upper die and a lower die of a rod core, and then sand filling is carried out; a sand core is heated, and taken out and cooled after complete sintering moulding; during the sand box production, when a sand box model is heated, the switch is activated to combine a sand box with the sand box model, and then sand filling is carried out; and the sand box is heated after the completion of the sand filling, and the sand box is taken out and placed in a specified area after sintering moulding. The tubular silicon-iron anode disclosed by the invention has the characteristics that an inner wall can be flexibly adjusted according to the actual requirements, crystalline grains on a tube wall are densely and uniformly refined, and an outer surface has an excellent quality; the mechanical strength and the impact resistance of the anode are greatly improved, the corrosion resistance is improved, and the consumption rate of the anode is reduced; and the tubular silicon-iron anode has good economic benefits in cathode protection application.
Description
Technical field
The present invention relates to cathodic protection system technical field, specifically a kind of tubular silicon iron anode technological process of production.
Background technology
Tubular silicon iron anode, is used to do the supporting electrode of impressed current cathodic protection, utilizes the principle of galvanic corrosion to suppress the corrosion of steel design thing, and it and power supply, cable conductor, protection body, medium (such as soil, water) etc. form electricity loop. Tubular silicon iron anode silicon content reaches about 15%; add add a certain amount of chromium, the element such as manganese, carbon; make its corrosion resistance nature very superior; bigger than bar-shaped high silicon cast-iron anode more than 2 times of working area when equivalent weight; protection domain also bigger than bar-shaped high silicon cast-iron anode more than 1 times; therefore engineer applied cost is lower than bar-shaped high silicon cast iron, and stability in galvanic protection is also very good, is the supplementary anode of a kind of high-quality. But also owing to it is containing silicon, higher containing chromium, also causing its production difficulty relatively big, casting quality is difficult to be protected. The tubular silicon iron anode that current common process is produced, intensity is lower, it is easy to fracture, impact resistance is poor, and solidity to corrosion is on the weak side, and anode consumption rate is higher, and interior wall construction adjustment difficulty is big.
Summary of the invention
It is an object of the invention to provide the tubular silicon iron anode technological process of production that a kind of wall thickness is even, cost is low, to solve in above-mentioned background technology the problem proposed.
For achieving the above object, the present invention provides following technical scheme:
A kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 190-210 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 10-15min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 190-210 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand;Note sand carries out sandbox and heats after completing, and sandbox is heated 10-15min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: in proportion, in order alloy material is put into smelting furnace and melt, and make it alloying, and carry out refining 15-30min at 1550 DEG C;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 260-280 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(10) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(11) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
As the present invention's further scheme: when described core makes and sandbox makes, respectively rod core model and sand tank model are warmed to 200 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
Technique of the present invention melts in proportion, in order by alloy material, and makes it alloying, and solution is carried out refining, removes gas and impurity in alloy solution, and alloying constituent is more even, makes alloy melt liquid Quality advance; In metal core after casting, cast-internal crystal grain packed uniform refinement, eliminate pore shrinkage cavity phenomenon, making physical strength and the impact resistance of foundry goods obtain bigger raising, the homogenizing of alloying constituent makes anode corrosion resistance nature improve, and reduces the rate of consumption of anode, simultaneously, cast outer surface is smooth, it is not necessary to processing, relieves the puzzlement of foundry goods because carrying out machining and cause surface quality poor.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the present invention.
Embodiment
Below in conjunction with embodiment, the technical scheme of this patent is described in more detail.
Embodiment 1
Refer to Fig. 1, in the embodiment of the present invention, a kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 190 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 10min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 190 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 10min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: the alloy prepared in proportion is put into smelting furnace and smelts, makes it to merge completely, and carries out refining 15min at 1550 DEG C and obtain alloy solution;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 260 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(10) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(11) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
Embodiment 2
Refer to Fig. 1, in the embodiment of the present invention, a kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 195 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 11min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 195 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 11min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: the alloy prepared in proportion is put into smelting furnace and smelts, makes it to merge completely, and carries out refining 20min at 1550 DEG C and obtain alloy solution;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 265 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(10) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(11) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
Embodiment 3
Refer to Fig. 1, in the embodiment of the present invention, a kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 200 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 12min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 200 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 12min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: the alloy prepared in proportion is put into smelting furnace and smelts, makes it to merge completely, and carries out refining 20min at 1550 DEG C and obtain alloy solution;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 270 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(10) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(11) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
Embodiment 4
Refer to Fig. 1, in the embodiment of the present invention, a kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 205 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 14min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 205 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 14min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: the alloy prepared in proportion is put into smelting furnace and smelts, makes it to merge completely, and carries out refining 25min at 1550 DEG C and obtain alloy solution;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 275 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(9) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(10) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
Embodiment 5
Refer to Fig. 1, in the embodiment of the present invention, a kind of tubular silicon iron anode technological process of production, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 210 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 15min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 210 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 15min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: the alloy prepared in proportion is put into smelting furnace and smelts, makes it to merge completely, and carries out refining 30min at 1550 DEG C and obtain alloy solution;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 280 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(10) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
Technique of the present invention melts in proportion, in order by alloy material, and makes it alloying, and solution is carried out refining, removes gas and impurity in alloy solution, and alloying constituent is more even, makes alloy melt liquid Quality advance; In metal core after casting, cast-internal crystal grain packed uniform refinement, eliminate pore shrinkage cavity phenomenon, making physical strength and the impact resistance of foundry goods obtain bigger raising, the homogenizing of alloying constituent makes anode corrosion resistance nature improve, and reduces the rate of consumption of anode, simultaneously, cast outer surface is smooth, it is not necessary to processing, relieves the puzzlement of foundry goods because carrying out machining and cause surface quality poor.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned enforcement mode, in the ken that one skilled in the relevant art possesses, it is also possible under the prerequisite not departing from this patent objective, make various change.
Claims (2)
1. a tubular silicon iron anode technological process of production, it is characterised in that, concrete steps are as follows:
(1) mould is heated: cleared up by rod body model surface, switches on power and is heated by rod body model;
(2) core makes: when rod core model is warmed to 190-210 DEG C, rod core upper and lower mould is merged by starting switch, opens note sand switch and carries out note sand; Note sand carries out core and heats after completing, and core is heated 10-15min under 200 DEG C of conditions, after confirming the complete sinter molding of core, opens out core and cools;
(3) sandbox makes: when sand tank model is warmed to 190-210 DEG C, sandbox is merged by starting switch with sand tank model, opens note sand switch and carries out note sand; Note sand carries out sandbox and heats after completing, and sandbox is heated 10-15min under 200 DEG C of conditions, after confirming sandbox sinter molding, opens out sandbox and is placed on designated area, second half of shaping sandbox in the same fashion, snaps together together with core after completing;
(4) alloy melting: in proportion, in order alloy material is put into smelting furnace and melt, and make it alloying, and carry out refining 15-30min at 1550 DEG C;
(5) pouring gate is filled: the sandbox made is put into casting district, makes pouring gate, and be installed on sandbox by pouring gate, fix;
(6) cast: alloy solution qualified for refining is heated to 1600 DEG C and import and water in bag, mobile water bag above sand mould by pouring gate by alloy solution injection model;
(7) molding: after pouring when rod body is cooled to 260-280 DEG C, open sandbox and open out pipe body, then sand core tube is taken out;
(8) aftertreatment: the tubular silicon iron anode of cool to room temperature is carried out sand removal, deburring, surface shaping;
(9) assemble: special for galvanic protection cable is connected on anode, and anode tube body inside is carried out epoxy sealing; Anode, vapor pipe are placed in iron tank and fix, fill petroleum coke powder around;
(10) case: the tubular silicon iron anode being up to the standards is cased by lot number, specification;
(11) deliver: by order requirements, the tubular silicon iron anode entrucking after vanning is gone out fortune.
2. the tubular silicon iron anode technological process of production according to claim 1, it is characterised in that, when described core makes and sandbox makes, respectively rod core model and sand tank model are warmed to 200 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610049900.4A CN105665634B (en) | 2016-01-25 | 2016-01-25 | A kind of tubulose ferrosilicon anode technological process of production |
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| CN201610049900.4A CN105665634B (en) | 2016-01-25 | 2016-01-25 | A kind of tubulose ferrosilicon anode technological process of production |
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| CN105665634B CN105665634B (en) | 2017-08-22 |
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| CN103357821A (en) * | 2013-07-26 | 2013-10-23 | 广西玉林玉柴机器配件制造有限公司 | Method for casting box-type complex water-cooling exhaust pipe by using iron mold coated sand |
| CN103600036A (en) * | 2013-10-23 | 2014-02-26 | 杭州德曼汽车零部件有限公司 | Iron based coated sand casting technology for processing timing gear housing |
| CN104259385A (en) * | 2014-10-14 | 2015-01-07 | 赵占水 | Method for manufacturing Chinese pots with precoated sand technology |
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| JP2004353009A (en) * | 2003-05-27 | 2004-12-16 | Ryoei Engineering Kk | Method for storing metallic member having cooling channel |
| CN101195151A (en) * | 2007-12-19 | 2008-06-11 | 西安汇群机械科技有限公司 | Thermal couple protector tube processing technique |
| CN101637803A (en) * | 2009-08-13 | 2010-02-03 | 杨国能 | Casting method of wheelside speed reducer casing |
| CN101890478A (en) * | 2010-07-16 | 2010-11-24 | 吴江市液铸液压件铸造有限公司 | Production process for casting spherical end cover |
| CN103357821A (en) * | 2013-07-26 | 2013-10-23 | 广西玉林玉柴机器配件制造有限公司 | Method for casting box-type complex water-cooling exhaust pipe by using iron mold coated sand |
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| CN104259385A (en) * | 2014-10-14 | 2015-01-07 | 赵占水 | Method for manufacturing Chinese pots with precoated sand technology |
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Address after: East Xiangshan County town of 315700 Zhejiang city of Ningbo Province Applicant after: ZHEJIANG YUXI CORROSION CONTROL CORPORATION Address before: East Xiangshan County town of 315700 Zhejiang city of Ningbo Province Applicant before: Ningbo Yuxi Cathodic Protection Materials Co., Ltd. |
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