摘要:
A machine (1) for vacuum treatment of food products, which comprises a base structure (2) which defines a vacuum chamber (3) which can be connected to a vacuum pump (4); at least one filtration device (6) is interposed between the vacuum chamber (3) and the vacuum pump (4) and has means for varying at least one thermodynamic/fluid dynamics parameter of the air flow aspirated by the vacuum pump (4); the filtration device (6) comprises at least one conveyor (7) of the air flow, which is provided with means for varying the advancement direction of the air flow and which is, with at least one part thereof, in a heat exchange relationship with a cooling circuit (8), and at least one collection manifold (9) for collecting the water and the particles separated from the air flow.
摘要:
The heat transfer fin (66) includes a fin collar part (83) extending from a peripheral portion of a cutout (67) toward one side in a fin stacking direction. An upper portion (83a) of the fin collar part and a flat surface (64a) on the upper side of a flat pipe (63) form therebetween a gap (C) extending in an air flow direction, and the fin collar upper portion (83a) includes a window portion (90) through which a space (S) on the upper side of the fin collar upper portion (83a) and the gap (C) are in communication with each other.
摘要:
Provided is a double-pipe heat exchanger (30) that includes an inner pipe (31) including a plurality of plate fins (31a) and a refrigerant pipe (31b) which allows a condensed refrigerant to flow therethrough, an outer pipe (32) which allows an evaporated refrigerant to flow therethrough, and a plurality of partition plates (33) which are arranged in contact with an inner circumferential surface (32e) of the outer pipe (32) and which partition an inner space (S) of the outer pipe (32) into a plurality of divided spaces (S1, S2, S3, S4, S5), wherein the inner pipe (31) is arranged inside the outer pipe (32), the partition plates (33) each have formed therein an opening portion (33a) via which a pair of adjacent divided spaces are connected to each other, a partition plate (33) having the opening portion (33a) formed in an area excluding a vertically lower end of the inner space (S), has formed therein a cutout portion (33c) via which a pair of adjacent divided spaces that are connected, at the lower end, to each other, and the cutout portion (33c) has an opening area smaller than that of the opening portion (33a).
摘要:
Provided are corrugated fins that have high heat transfer performance and do not cause clogging even in a gaseous environment in which particulate matter such as dust is present. Each wall surface 3 of corrugated fins comprises alternating parallel ridges 4 and furrows 5 with an angle of inclination of 10-60°. Defining Wh as the height of the ridges and furrows, Wp as the pitch of the ridges and furrows, Pf as the pitch of the corrugated fins, and Tf as the thickness of the fins, the following conditions hold. Wh ‰¦ 0.3674 ‹ Wp + 1.893 ‹ Tf ˆ’ 0.1584 , 0.088
摘要:
A system is provided for capturing energy from heat expelled in an exhaust of an engine of a motor vehicle and storing the captured energy. The system comprises a generator, a condenser, an evaporator, and an absorber. The generator captures heat from the exhaust of the engine and may be configured for circulating a first solution having a solute that is vaporizable by heat captured by the generator. The condenser may be coupled to the generator for receiving vaporized solute and condensing the vaporized solute to a liquid. The evaporator may be coupled to the condenser and have an orifice between the condenser and the evaporator. The evaporator may have a first fluid passage for circulating the solute and a second fluid passage for circulating a second solution. The first and second fluid passages may be configured such that solute running through the first fluid passage is vaporizable by heat absorbed from the second solution running through the second fluid passage, thereby cooling the second solution. The absorber may be coupled to the evaporator and the generator. The absorber may be configured to return the solute to solution by mixing the solute with a solvent of the first solution supplied by the generator, and for returning the first solution to the generator to complete a cycle of the system.
摘要:
Provided is a heat exchanger, including a plurality of flat tubes arranged in a right-and-left direction orthogonal to a front-and-back direction, the front-and-back direction being an airflow direction of the heat exchanger, a corrugated fin sandwiched by adjacent ones of the plurality of flat tubes and thermally connected to the adjacent ones of the plurality of flat tubes at each of apexes of the corrugated fin, an inlet header connected to one end of each of the plurality of flat tubes, and an outlet header connected to the other end of each of the plurality of flat tubes, the plurality of flat tubes extending along an up-and-down direction of the heat exchanger, the corrugated fin including a protruding portion protruding to a front side with respect to a front-side end portion of each of the plurality of flat tubes, the protruding portion including a first lug portion oriented obliquely to the front-and-back direction, the corrugated fin further including a second lug portion formed in the right-and-left direction at a part sandwiched by the adjacent ones of the plurality of flat tubes.