FIELD: ventilation; protection of industrial rooms against inrush of cold air. SUBSTANCE: air lock is provided with three screens: first screen at inlet; second screen in area where air lock adjoins building and third screen inside building; third screen is provided with fans and calorifer; height of air risers ranges from 1.9 to 2.1 m above floor. EFFECT: enhanced efficiency. 4 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOUBLE AIR SCREEN | 1996 |
|
RU2119130C1 |
| MODULAR THERMAL AIR CURTAIN FOR PROTECTION OF GATE OPENINGS WITH VARIABLE VECTOR OF AIR JET DIRECTION AND ADJUSTABLE WIDTH OF SLOT | 2019 |
|
RU2716299C1 |
| DEVICE FOR CONTROL OF HOT-AIR CURTAIN | 2007 |
|
RU2338963C1 |
| HEATING AND VENTILATION SYSTEM FOR INSPECTION CHANNELS | 2006 |
|
RU2324118C1 |
| AIR-THERMAL CURTAIN WITH THERMOELECTRIC HEAT PUMP IN CATTLE FARM COWSHED | 2020 |
|
RU2729350C1 |
| AIR HEAT CURTAIN | 2008 |
|
RU2396490C1 |
| MOBILE SET FOR ENTRAPPING AND CLEANING OF AIR FROM WELDING AEROSOLS | 2002 |
|
RU2212593C1 |
| PLANT FOR HEATING ROOMS HAVING GATES | 0 |
|
SU1084548A2 |
| DECENTRALIZED HEATING-AND-VENT SYSTEM FOR LIVESTOCK PREMISES | 2015 |
|
RU2600923C1 |
| RECIRCULATION AIR CURTAIN | 2001 |
|
RU2200909C2 |
