The „TTS“ concrete spraying machines have been designed for spraying concrete and refractory mixtures in the so-called dry way when the transported mixture gets moistened at the moment of spraying. The main advantage of this technology of spraying concrete is, in particular, its top rate of discharge from the jet (up to 30 m/s) which enables perfect consolidation of the concrete mixture and high strength of the sprayed concrete.
The „TTS“ concrete spraying machines are used, in particular, in the metallurgy and foundry industries to spray the lining of the steel furnaces, ladles, boilers, range of coke ovens and other units with refractory mixtures (refractories).
Due to their special construction, it is possible to carry out concrete spraying in cold and hot environments.
ADVANTAGES
- using only the power of the compressed air
- the long service life of the machine – no rotating or other movable parts
- robust constructions requiring only minimal maintenance
- simple and easy handling
- fast and simple termination of the operation without any demanding cleaning of the machine
- smooth output regulation
- the frame could be equipped with wheels to enable smooth transport to the place of usage
- low operational and maintenance costs
Working principle
The „TTS“ concrete and refractory spraying machines work on the principle of pneumatic transport when the dry mixture is pressed into the transport hoses or pipes (if hot) by the air pressure and it is transported into the spraying jet to the place of application. The mixture is moistened in the spraying jet by water (alternatively by water with a curing agent) led into it by a separate hose. The jet is operated by one of the service personnel.
The machine is filled with the dry mixture from the chute which has a screen and a separating comb. The pressure vessel is filled using the shut-off bell underneath the chute controlled by the service personnel.
The output of the machine can be regulated manually using the lever regulating the amount of the mixture going into the transport hose.
The concrete and refractory spraying machine works in cycles determined by the time of pressing the mixture out of the vessel and the time necessary for filling it up again. The volume of the pressure vessel amounts to 400, 600, or 800 liters depending on the model of the machine.
The machine does not require any other sources of power, apart from compressed air.
Technical data
| Parameter | TTS-300 | TTS-400 | TTS-600 | TTS-800 |
| Volume of the pressure vessel [l] | 300 | 400 | 600 | 800 |
| Max. output [m3/hod] | 3 | |||
| Max. granularity of the mixture [mm] | 5 | |||
| Max. transport distance – vertical [m] | 20 | |||
| Max. transport distance – horizontal [m] | 50 | |||
| Max. air pressure [MPa] | 0,6 | |||
| Air consumption [m3/min] | 5 | |||
| Max. moisture content of the mixture [%] | 4 | |||
| Inner diameter of the transport hose [mm] | DN = 32, 40, 50 | |||
SIZE AND WEIGHT
| Parameter | TTS-300 | TTS-400 | TTS-600 | TTS-800 |
| Length [mm] | 1640 | 1630 | 1830 | 2030 |
| Width [mm] | 1060 | 1080 | 1080 | 1280 |
| Height [mm] | 1820 | 2150 | 2470 | 2800 |
| Weight (no accessories) [kg] | 632 | 710 | 765 | 835 |
Photogallery
Practical demonstration
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