CN110000329A - Formwork curing agent for model casting - Google Patents
Formwork curing agent for model casting Download PDFInfo
- Publication number
- CN110000329A CN110000329A CN201910402016.8A CN201910402016A CN110000329A CN 110000329 A CN110000329 A CN 110000329A CN 201910402016 A CN201910402016 A CN 201910402016A CN 110000329 A CN110000329 A CN 110000329A
- Authority
- CN
- China
- Prior art keywords
- water
- prodan
- curing agent
- weight
- formwork
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
- B22C1/10—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention is the formwork curing agent for model casting, is made of the raw material of following parts by weight: six water crystallization aluminium chloride 10-15；Prodan 10-15；Two water tablets shape calcium chloride 15-20；Isopropanol 0.1-1.5；Anhydrous boric acid 1.2-1.8；Clear water 55-75.Prodan, which has waterglass, significantly promotees hard effect, especially cooperates its effect to become apparent with bleeding agent isopropanol.The use of prodan can reduce the dosage of two water tablets shape calcium chloride, and remaining the Na2O in shell hardening process significantly reduces, therefore hot strength of investment shell and wet strength significantly increase, and can guarantee casting dimension accuracy.
Description
Technical field
The present invention relates to a kind of formwork curing agents for model casting.
Background technique
Precision-investment casting industry mostly uses waterglass for binder, and a kind of common formwork curing agent is by six water crystallizations
Aluminium chloride, two water tablets shape calcium chloride, anhydrous boric acid, bleeding agent and clear water prepare composition in proportion, wherein bleeding agent be JFC or
One kind of X405 or wins-8010, the formwork curing agent also contain wetting agent S1003 or SR-2.
Above-mentioned curing agent is using six water crystallization aluminium chloride and two water tablets shape calcium chloride as major ingredient, although overcoming using ammonium chloride
Haves the defects that severe exacerbation working condition, but there are larger amount of Na2O is residual in formwork hardening process for two water tablets shape calcium chloride
It stays, which reduce formwork elevated temperature strength and wet strength, thereby reduces casting dimension accuracy.
Summary of the invention
The purpose of the present invention is to solve using six water crystallization aluminium chloride and two water tablets shape calcium chloride as the curing agent of major ingredient
Existing above-mentioned technical problem and a kind of formwork curing agent for model casting is disclosed.
Formwork curing agent of the invention is made of the raw material of following parts by weight: six water crystallization aluminium chloride 10-15；Prodan
10-15；Two water tablets shape calcium chloride 15-20；Isopropanol 0.1-1.5；Anhydrous boric acid 1.2-1.8；Clear water 55-75.
The present invention is for the curing agent in quartz sand, waterglass formwork solidification process, wherein six water crystallization aluminium chloride
Effect is the intensity to enhance formwork, since six water crystallization aluminium reaction speed are slow, formwork in hardening process with
Waterglass neutralizes mutually and promotes to hydrolyze, and waterglass pH value is made gradually to decline and Silica hydrogel is precipitated, while six water crystallization aluminium chloride
PH value be stepped up, by hydrolytic-polymeric reaction be precipitated AL (OH) 3 alumina gel, formed silica gel coagulated altogether with alumina gel, so mould
Shell intensity is high.
The chilled aqueous solution of prodan is in neutrality, and hydrothermal solution has waterglass and significantly promote hard effect, especially in alkalinity
Its effect is cooperated to become apparent with bleeding agent isopropanol.
The use of prodan can reduce the dosage of two water tablets shape calcium chloride, make the Na in formwork hardening process2O residual
It significantly reduces, therefore formwork elevated temperature strength and wet strength significantly increase, and can guarantee casting dimension accuracy.
The present invention is protected with above-mentioned removed compared with the curing agent of major ingredient using six water crystallization aluminium chloride and two water tablets shape calcium chloride
Hold working condition etc. be improved significantly it is outer also have the following characteristics that prodan and isopropanol accelerate formwork setting rate,
This curing agent rises intensity of the formwork when hardening 5 minutes obviously, and aforementioned 15 clock of curing agent can be reached when hardening 10 minutes
Hardening effect, not only shorten the formwork production cycle, also make dewaxing roast after formwork dimensional accuracy be significantly increased, in turn
Casting qualified rate is increased to 94-96% by original 89-92%, increases economic benefit.
Specific embodiment
The present invention is further illustrated below with reference to embodiment.
Feed quality requirements: six water crystallization aluminium chloride, content are greater than 90%；Prodan, content are greater than 97%；Two water tablets
Shape calcium chloride, content are greater than 72%；Isopropanol, concentration 99%；Anhydrous boric acid, content are greater than 98%；Clear water.
Embodiment 1
Raw material is in parts by weight: taking six water crystallization aluminium chloride, 15 parts by weight, 10 parts by weight of prodan, two water tablets shape chlorination
20 parts by weight of calcium, 0.1 parts by weight of isopropanol, 1.8 parts by weight of anhydrous boric acid.
75 parts by weight of injected clear water (room temperature) in stirring pool, sequentially add above-mentioned raw materials and continuously stir 30 points under stirring
It shuts down after clock, is poured into big tank through corrosion protection pump, melting reaction uses after 2 hours, curing agent pH value 7-7.3.
Embodiment 2
Raw material is in parts by weight: taking six water crystallization aluminium chloride, 12 parts by weight, 13 parts by weight of prodan, two water tablets shape chlorination
17 parts by weight of calcium, 1 parts by weight of isopropanol, 1.5 parts by weight of anhydrous boric acid.
65 parts by weight of injected clear water (room temperature) in stirring pool, sequentially add above-mentioned raw materials and continuously stir 30 points under stirring
It shuts down after clock, is poured into big tank through corrosion protection pump, melting reaction uses after 2 hours, curing agent pH value 7.1-7.4.
Embodiment 3
Raw material is in parts by weight: taking six water crystallization aluminium chloride, 10 parts by weight, 15 parts by weight of prodan, two water tablets shape chlorination
15 parts by weight of calcium, 1.5 parts by weight of isopropanol, 1.2 parts by weight of anhydrous boric acid.
55 parts by weight of injected clear water (room temperature) in stirring pool, sequentially add above-mentioned raw materials and continuously stir 30 points under stirring
It shuts down after clock, is poured into big tank through corrosion protection pump, melting reaction uses after 2 hours, curing agent pH value 7.3-7.4.
Claims (1)
1. being used for the formwork curing agent of model casting, it is characterised in that be made of the raw material of following parts by weight: six water crystallization chlorinations
Aluminium 10-15；Prodan 10-15；Two water tablets shape calcium chloride 15-20；Isopropanol 0.1-1.5；Anhydrous boric acid 1.2-1.8；Clear water
55-75。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402016.8A CN110000329B (en) | 2019-05-15 | 2019-05-15 | Formwork hardener for investment casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402016.8A CN110000329B (en) | 2019-05-15 | 2019-05-15 | Formwork hardener for investment casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110000329A true CN110000329A (en) | 2019-07-12 |
| CN110000329B CN110000329B (en) | 2021-07-20 |
Family
ID=67177128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910402016.8A Active CN110000329B (en) | 2019-05-15 | 2019-05-15 | Formwork hardener for investment casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110000329B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362190A (en) * | 2008-09-28 | 2009-02-11 | 上海应用技术学院 | Composite curing method of sodium silicate binder |
| CN102133614A (en) * | 2010-01-25 | 2011-07-27 | 襄樊市科民化工科技有限公司 | Formwork curing agent and production method thereof |
| CN103102119A (en) * | 2011-11-10 | 2013-05-15 | 比亚迪股份有限公司 | Hardening agent and preparation method thereof |
| CN103212666A (en) * | 2013-04-03 | 2013-07-24 | 沈阳汇亚通铸造材料有限责任公司 | Slurry-shaped inorganic enhancing agent for casting sodium silicate self-hardening sand and preparation method thereof |
| CN103658522A (en) * | 2013-12-24 | 2014-03-26 | 江苏丰泽生物工程设备制造有限公司 | Precision casting technology for small type fermentation tank |
| CN104226890A (en) * | 2014-09-30 | 2014-12-24 | 济南圣泉集团股份有限公司 | Sodium silicate reinforcing agent for casting and preparation method |
| CN104525847A (en) * | 2014-12-22 | 2015-04-22 | 南京优耐特精密机械制造有限公司 | Shell hardening agent |
| CN105312486A (en) * | 2015-10-20 | 2016-02-10 | 天津荣亨集团股份有限公司 | Shuttering hardening agents |
| CN105347727A (en) * | 2015-11-26 | 2016-02-24 | 自贡格灵新材料科技有限公司 | High-permeability liquid hardening agent |
| CN107931515A (en) * | 2017-12-18 | 2018-04-20 | 定远县宝隆机械制造有限公司 | A kind of investment casting formwork composite hardening agent prescription |
| CN108145091A (en) * | 2017-12-18 | 2018-06-12 | 定远县宝隆机械制造有限公司 | A kind of case hardening agent prescription of model casting |
-
2019
- 2019-05-15 CN CN201910402016.8A patent/CN110000329B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362190A (en) * | 2008-09-28 | 2009-02-11 | 上海应用技术学院 | Composite curing method of sodium silicate binder |
| CN102133614A (en) * | 2010-01-25 | 2011-07-27 | 襄樊市科民化工科技有限公司 | Formwork curing agent and production method thereof |
| CN103102119A (en) * | 2011-11-10 | 2013-05-15 | 比亚迪股份有限公司 | Hardening agent and preparation method thereof |
| CN103212666A (en) * | 2013-04-03 | 2013-07-24 | 沈阳汇亚通铸造材料有限责任公司 | Slurry-shaped inorganic enhancing agent for casting sodium silicate self-hardening sand and preparation method thereof |
| CN103658522A (en) * | 2013-12-24 | 2014-03-26 | 江苏丰泽生物工程设备制造有限公司 | Precision casting technology for small type fermentation tank |
| CN104226890A (en) * | 2014-09-30 | 2014-12-24 | 济南圣泉集团股份有限公司 | Sodium silicate reinforcing agent for casting and preparation method |
| CN104525847A (en) * | 2014-12-22 | 2015-04-22 | 南京优耐特精密机械制造有限公司 | Shell hardening agent |
| CN105312486A (en) * | 2015-10-20 | 2016-02-10 | 天津荣亨集团股份有限公司 | Shuttering hardening agents |
| CN105347727A (en) * | 2015-11-26 | 2016-02-24 | 自贡格灵新材料科技有限公司 | High-permeability liquid hardening agent |
| CN107931515A (en) * | 2017-12-18 | 2018-04-20 | 定远县宝隆机械制造有限公司 | A kind of investment casting formwork composite hardening agent prescription |
| CN108145091A (en) * | 2017-12-18 | 2018-06-12 | 定远县宝隆机械制造有限公司 | A kind of case hardening agent prescription of model casting |
Non-Patent Citations (1)
| Title |
|---|
| 徐庆柏: "《铸造文集》", 31 January 2016, 合肥工业大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110000329B (en) | 2021-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5763569B2 (en) | Silica castable refractories and siliceous precast block refractories | |
| CN105312486A (en) | Shuttering hardening agents | |
| CN104193354A (en) | Permanent layer casting material of tundish and preparation method of permanent layer casting material | |
| US3804643A (en) | Process for producing casting molds using a dry flowable blended sand | |
| CN110000329A (en) | Formwork curing agent for model casting | |
| CN113185184A (en) | Concrete curing agent and construction process thereof | |
| CN105750477A (en) | Novel composite hardening agent for die casting | |
| CN103962512A (en) | Composite hardener for soluble glass shell manufacture adopting investment casting as well as preparation method of composite hardener | |
| US3725090A (en) | Method of preparing a liquid mixture for the production of foundry cores and moulds | |
| CN108145091A (en) | A kind of case hardening agent prescription of model casting | |
| CN107931515A (en) | A kind of investment casting formwork composite hardening agent prescription | |
| JP2697745B2 (en) | Lightweight cellular concrete composition and method for producing same using same | |
| CN108080560A (en) | A kind of investment casting shell hardens agent prescription | |
| RU2427441C1 (en) | Fluid mix with increased thermochemical stability for pattern casting 3d moulds | |
| RU2385782C1 (en) | Mix for manufacturing of shapes and rods in precision casting and method of its manufacturing | |
| CN104942219B (en) | Hardening agent suitable for precise casting of water glass mould casing and preparation method of hardening agent | |
| CN103567371A (en) | Investment casting composite hardening agent | |
| CN107030251A (en) | A kind of casting method of insulated piping | |
| SU1068206A1 (en) | Solution for preparing water glass binder | |
| JP2009203101A5 (en) | ||
| SU1115835A1 (en) | Moulding sand for making investment moulds | |
| SU1096818A1 (en) | Mix for producing easily removed cores | |
| SU1135529A1 (en) | Mortar for strengthening investment moulds | |
| US1614525A (en) | Method of treating blast-furnace slag | |
| CN108145090A (en) | A kind of investment casting shell composite hardening agent prescription |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |