Sand blasting device using exhaust from jet engine for sand blasting

Abstract

A heating and cleaning apparatus for the cleaning and heat-treatment of surfaces, items, joints, cracks and similar by the use of a hot blast jet produced by the exhaust jet of a jet engine where aggregate injectors have been added in the engine housing for the admixture of a cleaning medium such as sand, granulate material or fluid. An apparatus for heating and cleaning in accordance with Figure A displays a lightweight jet engine under an engine housing (2), with an aggregate injector that can dose a cleaning medium admitted into the hot exhaust jet which is discharged through an exhaust nozzle (1) pointed at the item to be treated. The engine is electronically controlled by a device (4) and advanced on a lightweight frame (5) that can be fitted with a ballast weight (9) and spacer wheels (10), or the device can be mounted on an advancing arrangement (8). The jet engine is powered by liquid fuel supplied from a tank (6). Intake air is cleaned and sound-damped in a filter unit (3), and the combustion takes place at high pressure and is discharged in a high- velocity exhaust jet to which admixture of media fed from a tank (7) can be made.

Description

technical field [0001] The invention relates to devices for heating and cleaning parts, surfaces, joints and the like, with the aim of removing weathering, abrasion and dirt or added coatings. According to the invention, this is achieved by using a lightweight jet engine with a dedicated engine casing to which aggregate injectors have been added, capable of dosing aggregate material into the exhaust jet, whereby, When manually propelled or self-propelled, the light jet engine cleans and dries the sprayed area. Background technique [0002] Mutually independent systems are often used in the now known methods. Firstly, the area is cleaned using a high-pressure system directly with air or water, or with an aggregate cleaner, such as sand, and which is subsequently heat-treated by a gas burner with or without an open flame. In principle, the known technology has the necessary features, but it is not suitable for the first use of very heavy high-pressure systems driven by diese...

AI Technical Summary

Problems solved by technology

These systems include disadvantages in handling and transporting "hazardous goods" and also pose a serious security concern due to the risk of terrorism which has now led to the burden of stringent security requirements and restricted their use in mobile workplaces where Workplace uses gas and stores it in high pressure cylinders and tanks

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