Abstract: A device of the present invention for sterile sampling of culture liquor from a fermenter comprises a sampler (1) positioned on the fermenter (3) in the zone of stirring the culture liquor and a sterile sample collector (11). The sampler (1) is fashioned as a normally closed valve whose body (4) has a circular projection (8) on the side of contact with the sample collector (11). The sample collector (11) is made evacuated and has a normally closed valve (12) mounted on its neck, the body (13) of which on the side of contact with the sampler (1) is provided a circular groove (17) conjugated with the circular projection (8) of the sampler (1). Upon superposition and interaction of the latter is formed a sealed conduit (19) for the passage of culture liquor from the fermenter (3) to the sample collector (11).

Abstract: An apparatus for bioconversion of vegetal raw material comprises a bioreactor communicable with a means for charging this material and discharging the end product. A pressure-sealed chamber for storing excess liquid displaceable from the bioreactor is provided with a liquid level control means and connected to a source of compressed air, atmosphere, inoculator, steam source and bioreactor. A distributor of gas-steam, gas-liquid flows and a flow of inoculum is connected to the liquid level control means and inoculator. Feeders are disposed inside the bioreactor at various levels in terms of height thereof and connected to the flow distributor, a pump being provided between the bioreactor and steam source. A control unit is electrically connected with the bioreactor, steam source, inoculator, compressed air source, a pressure-sealed chamber, flow distributor, and pump.

Abstract: The invention relates to apparatus for cultivating microbiological substances. The fermenter comprises a container (1) accommodating an aerator (4) and a stirring unit (5) having the form of a circulation tube (6) and membrane (7). A partition (9) having a through hole (10) offset relative to the center thereof is disposed between the membrane (7) and the end of the tube (6) to define with the membrane (7) a closed volume (11). The aerator (4) and the stirring unit (5) are integrated into a single assembly secured on the partition (9) and having a chamber (12) for distributing liquid and gas flows.The fermenter is intended for intermittent cultivation of various substances of biological origin feeding on liquid, solid or mixed nutrient substrates.

Abstract: The present invention is directed to an apparatus for taking samples from a ermenter having such a construction as to enable sterilization of the equipment for taking the sample simultaneously with the procedure of sample taking. The possibility of inadvertently contaminating a fluid being sampled is prevented. The apparatus comprises a sampler (1) provided at the inlet with a valve (3), a by-pass valve (27) mountable at the outlet of a fermenter (39), and a separating chamber (19) between the valves (3) and (27). The chamber (19) has a nipple (40) with a valve (28) for feeding a sterilizing agent to the sampler (1). An additional valve (7) is secured at the inlet of the sampler (1), a housing of the valve (3) functioning as a shut-off member of this valve (7). The chamber (19) is capable of reciprocating motion in the direction of travel of the shut-off members (4) and (6) and engagement therewith.

Abstract: An apparatus for chemical froth suppression in a fermenter comprises a vessel containing a chemical froth suppressor and communicating via a pressure pipe with the fermenter. The pressure pipe has arranged at a preselected level with respect to the froth height a nozzle intended to form a jet of froth suppressor which enters a chamber through an inlet port thereof. This chamber is accommodated inside the fermenter substantially above the level of froth therein. The jet of froth suppressor is reflected from the concave wall of the chamber to be conveyed along the discharge pipe by a pneumatic or suction pump into the vessel containing the froth suppressor. The discharge pipe is provided at tne end thereof inside the vessel with a nozzle intended to form a jet of the chemical froth suppressor flowing along this discharge pipe into the vessel.

Abstract: An apparatus for sterilization of fermentation objects by steam comprises a sterilization vessel with a heater, a heat exchanger and an inlet pipe. The apparatus further comprises a buffer vessel communicating with the sterilization vessel via lines including valves. The buffer vessel is provided with its own heater. The apparatus also comprises two gas filters mounted on the heater of the sterilization vessel and interconnected in series through a steam flow rate regulator, one of the filters being connected to the buffer vessel, and the other filter being connected to a pipe adatped to communicate with the fermenter.

Abstract: An apparatus for chemical froth suppression in a fermenter comprises a froth sensor installed in the fermenter for tracing the froth and a vessel containing a chemical froth suppressor which is fed to the froth sensor and to the fermenter. The froth sensor comprises a hollow chamber accommodating a throttle and a nozzle. The chamber has a through opening with the walls having two ports congruent to and coaxial with the outlet orifice of the nozzle, through which passes a jet of the froth suppressor leaving the outlet orifice of the nozzle to fly past the through opening and to get into the chamber to be reflected from its concave wall for being removed into the vessel containing the chemical froth suppressor.

Abstract: An apparatus for automatically stabilizing a process of thermal treatment of liquid media comprises a sterilization chamber which is in contact with a heat-exchange jacket, and a device for thermally controlling the process being conducted. The device for thermally controlling the process comprises a coolant flow regulator which is divided by flexible members into three sections. The middle section comprises an overflow valve which is connected by pipelines to a source of a coolant and to the heat exchange jacket, respectively. The two other sections comprise a pressure setting device and a pressure sensor which is connected to the sterilization chamber by means of a pipeline. The pressure setting device and the pressure sensor cooperate with the overflow valve through individual flexible members.

Abstract: A device for sterilizing water-containing liquid media by steam comprises a sterilizing vessel with inlet and outlet connections for processed liquid media. A heater is provided in the lower portion of the vessel, while a condenser is arranged in the upper portion thereof. The vessel also houses a coaxially mounted steam-transfer unit representing gas-lift tube with a diffuser disposed over the heater.