7results about How to "Lower outlet temperature" patented technology

This invention discloses a high-temperature molten slag granulation system coupled with cyclone heat exchange and water mist, including a granulation chamber, a high-temperature molten slag transition device disposed at the top of the granulation chamber, a granulation disc disposed inside the granulation chamber and below the high-temperature molten slag transition device, and a transmission shaft and motor for driving the rotation of the granulation disc. A slag outlet is provided at the bottom of the granulation chamber, and multiple spray nozzles are evenly arranged circumferentially on the upper part of the inner side wall of the granulation chamber. At least four tangential high-pressure air inlets are provided circumferentially below the spray nozzles on the side wall of the granulation chamber, each high-pressure air inlet being connected to a high-pressure blower. An arc-shaped guide baffle is provided on the inner side of each high-pressure air inlet. The system of this invention has a compact structure and no additional moving parts. It can adapt to different working conditions such as blast furnace slag and steel slag by only adjusting the air pressure and water volume, and has broad industrial application value.

The present invention discloses a mechanical steam recompression drying system and method, which includes a sludge storage tank, a sludge injection pump, a thin layer evaporation dryer, an extrusion strip forming machine, a mesh belt dryer, a dry mud bin, a steam compressor, a cyclone dust collector, a water-washing dust collector, a condensate buffer tank, and a vacuum pump connected to the condensate buffer tank and used to suck system air to maintain vacuum and discharge non-condensable gas. The present invention can save a lot of energy consumption and cooling water system consumption. There is no exhaust gas emission in the process, and the system has no cooling water system, which saves the evaporation loss of water in the cooling tower.

The present invention discloses a sludge multi-stage pyrolysis and carbonization integrated device, including a sludge storage room, a sludge drying device, a sludge pyrolysis and carbonization integrated device, and a brick drying room. The sludge drying equipment adopts a concentric three-cylinder mosaic structure, which has a long drying time, a small footprint, low energy consumption, a low exhaust gas temperature, and a small heat dissipation loss. The carbonization furnace and the pyrolysis furnace are integrated, with less investment. The upper component has no furnace wall and connecting pipes, and directly absorbs heat from the lower component, which has a good heat transfer effect, a small footprint, a low manufacturing cost, more convenient operation and adjustment, higher thermal efficiency, and small heat dissipation loss. The pyrolysis furnace adopts a quick-assembly structure, and the inner wall of the furnace body is cast in one piece, which is matched with thermal insulation materials for overall processing, the workshop finalized parts are made, and the on-site assembly is carried out, so the construction period is greatly shortened, the product quality is improved, the labor intensity is reduced, and the total weight of the furnace can be reduced by more than 50%. The brick drying room recovers waste heat, which can bake bricks and remove waste gas.

The invention discloses a heat accumulating type continuous heat exchange device and a heat exchange method, and belongs to the technical field of metallurgical high-temperature heat exchange. The technical problems that an existing heat exchange device adopts intermittent heat exchange, medium fluctuation is large, and the failure rate is high due to the fact that valves need to be frequently switched for reversing are solved. The heat accumulating type continuous heat exchange device comprises a movable heat accumulator and n medium pipelines arranged side by side, wherein heat accumulator moving channels are formed in the medium pipelines; the movable heat accumulator can move back and forth along the heat accumulator moving channel; the medium pipeline comprises a heating medium pipeline and heated medium pipelines, the heating medium pipeline and the heated medium pipelines are arranged at intervals, and the heated medium pipelines are located on the two sides of the heating medium pipeline; the flowing direction of a heating medium in the heating medium pipeline is opposite to that of a heated medium in the heated medium pipeline; and the width of the heat exchange area of the movable heat accumulator is equal to the width of n-1 pipelines. The medium flow direction does not need to be frequently switched, and continuous heat exchange is achieved with little fluctuation.

The utility model provides an air compressor for a fuel cell system and the fuel cell system, and relates to the technical field of fuel cell air supply systems, the air compressor comprises an air compressor main body, a primary air compression mechanism, a cooling mechanism and a secondary air compression mechanism, primary compressed air output by the primary air compression mechanism can be cooled through the cooling mechanism, so that the inlet air temperature of secondary compression is lower, the outlet air temperature of secondary compressed air subjected to secondary compression by the secondary air compression mechanism is reduced, the density is increased, and the air inlet amount of the galvanic pile system can be partially increased; meanwhile, the performance requirement of the fuel cell system on the intercooler can be reduced, the price reduction and the size reduction of the intercooler are optimized, and the technical problems that in the prior art, an air supply system of the fuel cell system needs to guarantee the performance requirement of the intercooler, so that the cost is high, and the occupied area is large are solved.

The invention provides a micro-channel heat exchanger, and belongs to the technical field of heat exchange. The micro-channel heat exchanger comprises two heat exchange assemblies, an inlet pipe and an outlet pipe. Each heat exchange assembly in the two heat exchange assemblies comprises a first collecting pipe, a second collecting pipe and a plurality of flat pipes, and the first collecting pipes in the two heat exchange assemblies are located at the same ends of the flat pipes; the two heat exchange assemblies comprise the first heat exchange assembly and the second heat exchange assembly, the inlet pipe communicates with the first collecting pipe in the first heat exchange assembly, and part of the outlet pipe is located in the first collecting pipe in the first heat exchange assembly and communicates with the first collecting pipe in the second heat exchange assembly. The performance of the micro-channel heat exchanger can be improved.

The utility model relates to the technical field of ozone tail gas destructors, and discloses an explosion-proof ozone tail gas destructor which comprises a machine shell, the machine shell is of a rectangular box body type structure, and the inner wall of the machine shell is provided with a processing cavity and an installation cavity through a partition plate. An explosion venting sheet, a gas heat exchanger, a catalytic converter and an electric heating pipe are sequentially arranged in the treatment cavity of the machine shell from top to bottom, and a gas inlet pipe is embedded in the back face of the machine shell. According to the explosion-proof ozone tail gas destructor, ozone tail gas enters equipment through a gas inlet pipe, sequentially flows through a gas heat exchanger, a conveying pipe, an electric heating pipe, a catalytic converter and a gas heat exchanger, is finally extracted by an axial flow fan and is discharged into the atmosphere, and the ozone tail gas is treated by adopting the principles of heating decomposition and catalytic decomposition in the whole scheme, the gas heat exchanger is arranged at the gas inlet end and can exchange heat with the heated tail gas, so that the gas inlet temperature is increased, the load of the electric heating pipe is reduced, the ozonolysis efficiency is improved, and the energy consumption is reduced.