SU236718A1 - METHOD OF OBTAINING ANTI-SINGLE POINTING - Google Patents
METHOD OF OBTAINING ANTI-SINGLE POINTINGInfo
- Publication number
- SU236718A1 SU236718A1 SU1100020A SU1100020A SU236718A1 SU 236718 A1 SU236718 A1 SU 236718A1 SU 1100020 A SU1100020 A SU 1100020A SU 1100020 A SU1100020 A SU 1100020A SU 236718 A1 SU236718 A1 SU 236718A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- obtaining anti
- single pointing
- binder
- coating
- forms
- Prior art date
Links
- 239000011230 binding agent Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- JOSWYUNQBRPBDN-UHFFFAOYSA-P Ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011776 magnesium carbonate Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001476 alcoholic Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- XAQCJVGGJJFLPP-UHFFFAOYSA-L azane;hydroxy-(hydroxy(dioxo)chromio)oxy-dioxochromium Chemical compound N.N.O[Cr](=O)(=O)O[Cr](O)(=O)=O XAQCJVGGJJFLPP-UHFFFAOYSA-L 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
В литейном производстве широко примен ютс хромомагнезитовые противопригарные краски. При этолг в качестве св зующего в их состав ввод т жидкое стекло, глину или сульфитноспиртовую барду.The chrome-magnesite nonstick paint is widely used in the foundry industry. With this, liquid glass, clay, or sulphite-alcoholic bard are introduced into the composition as a binder.
Новизна предложенного состоит в том, что в состав покрыти в качестве св зуюп 1,его 1звод т водный или спиртовой раствор бихромата аммони , что нриводит к получению покрыти одиородного химического состава, обладающего иовышсиной огнеупорностью.The novelty of the proposed lies in the fact that the composition of the coating as a bond 1, it contains an aqueous or alcoholic solution of ammonium dichromate, which results in a coating of homogeneous chemical composition with high refractoriness.
Противоиригарное покрытие нанос т на литейные фор.мы и стержни с помощью специального пульверизатора - окрасочного пистолета (авт. св. Ло 157736), причем св зующее и наполнитель подаютс в пистолет по отдельным щлангам и смешиваютс при вылете из пистолета.The anti-iridescent coating is applied to the casting molds and rods using a special spray gun - a spray gun (ed. St. Lo 157736), with the binder and filler being fed to the gun through individual hoses and mixed when departing from the gun.
Бихромат аммони способен раствор тьс в воде и этиловом спирте. Если краска предназначена дл форм, подвергающихс сушке, при,1ен ют водный раствор, а дл форм, заливаемых без подсушки, - насыпденный спиртовой раствор. В последнем случае формы после окраски поджигаютс .Ammonium bichromate is soluble in water and ethyl alcohol. If the paint is intended for forms that are dried, an aqueous solution is applied, and for forms that are poured in without drying, a bulk alcohol solution is used. In the latter case, the forms are colored after painting.
10Предмет изобретени 10 of the invention
Споеоб получени противопригарного покрыти дл литейиых форм и стержней, содержащего наполнитель-хромомагнезит и 15 св зующее, отличающийс тем, что, с целью повышени огнеупорных свойств покрыти , з его состав в качестве св зующего ввод т бихромат аммони .Soldering coatings for casting molds and cores containing chromo-magnesite filler and 15 binder, characterized in that, in order to improve the refractory properties of the coating, ammonium bichromate is added as a binder.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU236718A1 true SU236718A1 (en) |
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