43results about How to "Improve waste heat utilization effect" patented technology

The invention discloses a differential motion airtight feeding electric furnace smelting device and a feeding method thereof. The device comprises an electric furnace and a charging device, wherein the charging device comprises a cold receiving conveying trough and a heat conveying trough; the lower sides of the cold receiving conveying trough and the heat conveying trough are provided with an independently-controlled excitation device respectively; the outlet of the cold receiving conveying trough is provided with a conveying throat opening which is extended into the heat conveying trough; and the distance between the conveying throat opening and the bottom of the heat conveying trough is greater than or equal to the depth of the heat conveying trough. By the feeding method, shock excitation at different frequencies is applied to the two conveying troughs to realize the differential motion conveying of raw materials, so that a thicker material layer can be laid on the cold receiving conveying trough, and the material loading speed is increased; simultaneously, a shorter cold receiving conveying trough and a shorter material-conveying bottom elongated slot can be designed, so thatthe device and the method make project implementation convenient. In addition, due to the adoption of the throat opening and a sealed door structure, the possibility of material blocking and the air leakage rate are greatly reduced, and the device has low heat loss and a good dedusting effect, and is high-efficient, energy-saving and environment-friendly during smelting.

The invention discloses a methanol-high-pressure oxygen composite two-stroke engine, which is composed of one or more than one cylinder group, each cylinder group includes a main cylinder and a corresponding auxiliary cylinder, the main cylinder is provided with a starting fuel nozzle, The methanol nozzle, the oxygen nozzle and the exhaust valve of the main cylinder do not have an intake valve. There is a connecting channel between the exhaust port of the main cylinder and the auxiliary cylinder. The connecting channel has a one-way valve at the entrance of the auxiliary cylinder. The one-way valve can only The gas in the main cylinder flows into the auxiliary cylinder. The auxiliary cylinder does not have a fuel nozzle, but is equipped with an inlet valve of the auxiliary cylinder and an exhaust valve of the auxiliary cylinder. Control the amount of oxygen injected by the main cylinder, control the degree of fuel combustion, introduce the high-temperature active gas that has not been completely burned in the main cylinder into the auxiliary cylinder to continue burning, realize the cycle of separate cylinders, reduce the emission of harmful gases, and realize the full combustion of fuel.

The invention relates to the technical field of biomass boilers, in particular to a small biomass heat supply system for transforming a traditional cooking bench. The small biomass heat supply systemcomprises a cooking bench, a solar thermal collector, a heat radiator and domestic water equipment, wherein the cooking bench comprises a water tank, a hearth and a chimney, a water tank is arranged on the outer wall of the hearth, a partition plate is arranged in the water tank and divides the water tank into an inner water tank and an outer water tank, a water flow channel is formed in the wallsurface of the chimney, water in the water flow channel exchanges heat with smoke in the chimney, an water inlet of the solar thermal collector is connected with the municipal water supply, a water outlet of the solar thermal collector communicates with a water inlet of the inner water tank, and a water outlet of the inner water tank communicates with a water inlet of the heat radiator; and a water inlet of the water flow channel is connected with the municipal water supply, a water outlet of the water flow channel communicates with a water inlet of the outer water tank, a water outlet of theouter water tank communicates with a water inlet end of the domestic water equipment. The inner water tank and the outer water tank are arranged on the outer wall of the hearth, so that hot water canbe provided for heating and hot water for life can be provided as well.