34results about How to "Reduce sensible heat loss" patented technology

The invention discloses a furnace discharging system for calcium carbide sensible heat power generation. The furnace discharging system comprises a conveying track, a furnace discharging trolley set,a moving platform, a mechanical arm, a traction track, traction trolleys, winches and a tunnel kiln. The moving platform is connected with the conveying track and the traction track. The front end andthe rear end of the furnace discharging trolley set are connected with one ends of two steel wire ropes correspondingly. The other ends of the two steel wire ropes are connected with the winches correspondingly. Under driving of the winches, the furnace discharging trolley set reciprocates on the conveying track. The mechanical arm is located on the outer side of the moving platform so that the front end or the rear end of the furnace discharging trolley set can be disconnected from and connected with the steel wire ropes. The traction trolleys are located on a traction trolley track on the outer side of the traction track. The tunnel kiln is internally provided with a track corresponding to the moving platform. The winches are located on the two sides of the tunnel kiln. The furnace discharging system has the beneficial effects that continuous conveying and unloading can be achieved, efficiency is high, running is automatic, operation is simple, the running cost is low, and running is stable.

The invention discloses oxygen-rich continuous gasification technology for a coupled fixed bed, wherein a solid raw material comprises coal or coke, and a gas raw material comprises oxygen, air and steam; and the oxygen can be mixed with the air into oxygen-rich air first and then is sent into a gas-making furnace, and can also be sent into the gas-making furnace in the form of single gas. The technology is characterized in that the gas-making furnace is that two common gas furnace bodies (A and B) are connected into a whole by a pipeline and a valve, two furnaces alternately upward blow to make gas, and the gas raw material can also comprise carbon dioxide; and the gas-making process comprises the step of the blowing-off of the A and B furnaces, the step of upward blowing of the A furnace, the step of secondary blowing-off of the A and B furnaces, and the step of upward blowing of the B furnace, and the steps are circulated. The gas-making furnace is that the two common gas furnace bodies are connected into a whole by the pipeline and the valve, and the two furnaces alternately upward blow to make gas, so the technology can optimize the distribution of temperature fields in the gas furnaces, reduce the sensible heat loss of semiwater gas, the erosion to pipelines in subsequent working procedures, and the quantity of carry-overs, improve the condition of gas quality, and reduce gas consumption and coal consumption.

The invention discloses a pressurized steam type capillary driven seawater desalination device, comprising a seawater desalination evaporator which sequentially comprises a seawater cavity, a porous medium, a desalinated steam passage, a heat conduction plate and a condensation cavity, wherein a desalinated steam outlet is formed in the seawater desalination evaporator and is communicated with the desalinated steam passage, the condensation cavity and a pressure reducing pipeline; an expansion valve and the pressure reducing pipeline are communicated with a heat exchanger; the pressure reducing pipeline comprises a heat exchanging pipeline; a heat working medium is filled into the heat exchanging pipeline; a hydraulic turbine is arranged on the heat exchanging pipeline; an outlet of the heat exchanger is connected with a pressure raising pipeline; and a compressor is arranged on the pressure raising pipeline and is connected with the hydraulic turbine by virtue of a connecting rod shaft. The pressurized steam type capillary driven seawater desalination device is characterized in that a condenser in the conventional desalination technology is abandoned to avoid the maximum heat loss-condensation heat loss in seawater desalination; and on the other hand, the desalination device disclosed by the invention makes use of capillary force to drive seawater for liquid refilling and does not need pumping work, and particularly, the used porous medium is a low-heat-conductivity material, so that the sensible heat loss brought away by discharge of concentrated brine is greatly reduced.

The invention relates to a sea water desalting plant implanted into a wind power tower, and belongs to the field of sea water desalination. The sea water desalting plant comprises an evaporator. A porous barrier partitions the evaporator into an upper steam cavity and a lower sea water cavity. The porous barrier is a hydrophilic thermal insulation porous medium, the inner pore diameter is that of a micrometer hole, and the upper side of the porous barrier is coated with a heat absorption coating. The steam cavity is sequentially connected with a condenser, a condensation tank and a fresh water tank through a pipe. One end of the sea water cavity is connected with a sea water pipe to be used for water inputting, and the other end of the sea water cavity is connected with a salt pipe to be used for water outputting. Heat exchange is conducted on the sea water pipe and the salt water pipe through a heat exchanger, and an outlet of the salt water pipe is connected with a piston type water pump to pump out salt water. The center of the porous barrier and the center of the condensation tank are 10 meters away from the sea level in height. By means of the sea water desalting plant, stable and long-time sea water desalting can be achieved without inputting external power and electricity, the thermal utilization efficiency is high, and an effective path is provided for emergency water for ocean working, help seeking and the like or large-scale water contributing.

The invention discloses a W-shaped flame boiler combustion and pulverization system, which includes a furnace, a hot air pipe drawn from the outlet of an air preheater, a cold ash hopper arranged at the bottom of the furnace, a pulverized coal separator, and a pulverized coal separator. The device includes a powder return pipe. The system also includes a slag cooler and an air chamber installed at the bottom of the cold ash hopper. There are several powder feeding inlets on the front and rear walls of the cold ash hopper. There is an air distribution plate, on which bed material is loaded, the cold ash hopper is connected to the slag cooler through a hot slag pipe through the air distribution plate and the air chamber, and the hot air pipe is connected to the air inlet of the slag cooler , the air outlet of the slag cooler is connected to the air chamber through a hot air pipe, and the powder return pipe is connected to the powder feeding inlet to form a bubbling fluidized bed combustion. The invention couples the bubbling fluidized bed combustion technology and the slag cooler to the existing W flame boiler to further burn the slag, recover the waste heat of the slag, reduce the unit consumption of pulverizing and steel ball wear, and improve the combustion stability of the main combustion zone.

The invention discloses a method and a device for crushing, screening and prestoring red coke in a closed hot N2 heat preservation condition, namely a method and a device developed for high-temperature pyrolysis of the red coke by directly employing pulverized coal. The method comprises the following steps: unloading a high-temperature pyrolysis product, namely the red coke of the pulverized coal at 950-1050 DEG C in 0.1MPa in the hot N2 heat preservation condition into a red coke hopper from a red coke tank; uniformly conveying to a crusher for crushing through a feeding machine; regulating, screening and then conveying to an afterheat recovery temperature-control red coke product cabin for prestoring; conveying into a fluidized bed and a mobile bed red coke boiler for combusting and / or a fluidized bed or a fixed bed red coke gasifier for gasifying through a red coke material cup at 350-850 DEG C; and removing dust through a dust remover, and introducing tail gas into a hot N2 heat preservation circulating system. The method and the device disclosed by the invention can meet the requirements of the red coke combustion boiler and / or the red coke gasifier on particle size in the method for the high-temperature pyrolysis of the red coke by directly employing the pulverized coal; the sensible heat loss of the red coke is reduced; the explosion caused by over-high dust concentration is effectively prevented; the dust pollution is solved from the source; and the environment benefits are obviously significant.

The invention discloses a petal-shaped ammonia spray device used for coke oven flue gas denitration. The device comprises a circulating fan, a flue gas feeding tube, an ammonia gas feeding tube, a spiral flow plate, a flow disturbing member, a mixer, a tube holder, secondary ammonia spraying tubes, primary ammonia spraying tubes and a flue. Denitrated flue gas goes through the circulating fan and enters the mixer together with ammonia gas, the denitrated flue gas and the ammonia gas are fully mixed in a spiral flow entrainment manner, the obtained mixture sequentially goes through two layers of the primary ammonia spraying tubes and the secondary ammonia spraying tubes to form micro-scale rapid jet flow, the micro-scale rapid jet flow interacts with mainstream coke oven flue gas, and the micro-scale rapid jet flow and the mainstream coke oven flue gas go through the annular flow disturbing member and then are further fully mixed. The denitrated coke oven flue gas goes through the built-in spiral flow mixer and dilutes ammonia gas, and micro-scale rapid crossbar jet flow is fully mixed with the mainstream flue gas, so the device has the advantages of compact system, high efficiency energy saving and accurate ammonia control.

The invention discloses a pressurized steam type capillary drive sea water desalination system. The pressurized steam type capillary drive sea water desalination system comprises an evaporation condensation module, a pressure reducing module, a heat exchange module and a boosting module, wherein the evaporation condensation module comprises a sea water desalination evaporator, the sea water desalination evaporator comprises a sea water cavity, a porous medium, a desalination steam channel, a heat conducting plate and a condensation cavity, the pressure reducing module comprises a pressure reducing pipeline and an expansion valve, the heat exchange module comprises a heat exchange pipeline and a heat exchanger, and the boosting module comprises a boosting pipeline and a compressor. The pressurized steam type capillary drive sea water desalination system is characterized in that a condenser in the traditional desalination technology is abandoned, and maximum heat loss, namely condensation heat loss, during sea water desalination is avoided; besides, sea water supplement is driven by utilizing a capillary force, pump power is not needed, and especially the adopted porous medium is a material with low thermal conductivity, so that sensible heat loss due to discharge of strong brine is greatly reduced.