272results about How to "Uniform air distribution" patented technology

A high-density pressurized fluid bed coal gasification device and a method relate to a gasification device and a method which are especially suitable for the efficient treatment of the high-sulfur, high-ash and high ash fusion point coal with high reserve volume in China and have the advantages of broad coal type adaptability, high carbon transformation ratio in the gasification process, high heat value of coal gas, low investment and excellent environment-friendly performance. A gasification reactor (1) is arranged in a pressure shell (2) and is divided into a dense-phase turbulent flow fluidizing section (9), a high-density core-annulus flow section (10) and a density rapid flow section (11) from bottom to top, and according to the gasification character of the goal with high sulfur, high ash and high ash fusion point, flow states with different features are adopted for pressurizing and sectionalized gasification from bottom to top and the pressure for gasification is 1.0-2.5MPa.

The invention relates to a liquid continuous slag-removal fixed bed gasification furnace and a gasification method thereof, the liquid continuous slag-removal fixed bed gasification furnace is characterized in that: the liquid continuous slag-removal fixed bed gasification furnace from top to bottom in turn comprises a raw material bin, a material lock hopper, a furnace body, a plurality of gasification agent nozzles, a slag-removal device, a molten slag quenching chamber and a slag lock; the raw material bin is funnel-shaped, the lower end of the raw material bin is in fastening connection with the upper end of the raw material lock hopper; the raw material lock hopper is in fastening connection with an upper end port of the furnace body, the upper part of the furnace body is provided with a crude gas outlet, the furnace body inner wall located below the crude gas outlet is provided with a layer of furnace lining; the plurality of gasification agent nozzles are in fastening connection with the lower part of the furnace body and are arranged uniformly along the circumferential direction of the furnace body, the outlet of each gasification agent nozzle passes through the furnace body furnace wall and the furnace lining and extends into the furnace body; the slag-removal device is installed in the furnace body located below the furnace lining, the lower end of the furnace body is in fastening connection with the upper end of the molten slag quenching chamber, and the lower end of the molten slag quenching chamber is in fastening connection with the upper end of the slag lock. The gasification agent nozzles adopt a single channel structure only conveying a gasifying agent, the service life of the gasification agent nozzles is improved, and an overflow type slag pool can effectively ensure the smooth slag removal, and improves the operation efficiency of the fixed bed molten slag gasification furnace.

The invention discloses a three dimension electrode reaction unit, which is characterized in that short flow of wastewater is avoided by arranging plate-type main electrodes placed in a parallel staggered manner, insulation baskets with holes and particle electrodes filled therein, aerator pipes, insulation frames of which the surfaces have fine wire screens, support pins and tees, so that the wastewater is more uniformly mixed and the retention time is simultaneously reduced; the aeration is more uniform, the degree of mixedness of the wastewater is deepened, and the mass transfer efficiency is greatly improved; the partitioning design of the particle electrodes can omit a discharge opening of a traditional device, so that loading and unloading of the particle electrodes are more convenient and cleaner, and the partitioning design of the particle electrodes also can block a short-circuit current difficult to overcome in a traditional three dimension electrode reaction unit, and economy, green and high efficiency are realized; a gas-liquid mixture can be removed while mixing and effluent discharging are performed; the occurrence of a siphon problem can be avoided; the height of the wastewater can be controlled through the length of a discharging tube, thus a basic parameter, namely the filling amount of the particle electrodes, is controlled, and a better treatment effect is further obtained.

The invention discloses a sintered ore cooling furnace device. The device is composed of a pre-storage area, an annular air flue area, a chute area, a cooling area and an air chamber. High-temperature sintered ores are continuously and evenly distributed into a cooling furnace for cooling through a charging port above the pre-storage area by a material distribution device, high-temperature sintered ores are subjected to counter-flow heat exchange with low-temperature air blown from the bottom of the furnace in the cooling area of the cooling furnace, sintered ores are cooled to below 180 DEG C, low-temperature ores are discharged by a discharging device, the low-temperature air is heated to about 600 DEG C through counter-flow heat exchange and enters a waste heat recycling system through an air outlet, and hot air and hot sintered ores are effectively sealed inside the cooling furnace in the whole process. By the aid of the device, on the premise that the quality of sintered ores is guaranteed or improved and the return fine rate is reduced, the efficiency of recycling of waste heat of sintered ores is improved to the maximum extent.

The invention discloses a high-temperature aerobic fermentation process for sludge with low energy consumption and no pollution, and relates to the technology for aerobic fermentation treatment on dewatered sludge. The process is used for decontamination, stabilization and reduction treatment of town sewage sludge, sewage sludge, organic industrial wastewater sludge and organic sludge. In the process, the dewatered sludge and auxiliary materials are mixed, the mixture is crushed into composting particles with the diameter less than or equal to 20mm, the composting particles are evenly distributed into a pile with the height of 2m by a spreader, and the pile is covered by fermented decaying products to effectively reduce the odor emitted by the composting. A fermentation bin with two combined or separated bins is provided with a ventilation and oxygen supply system which is detachable, is easy to clear, prevents blockage and has even gas distribution, and a pile turning device inside; and the oxygen concentration, fermentation temperature, water ratio of the pile in the fermentation bin are controlled, so that sludge fermented products meet national standard. The process facilitates air supply and aerobic fermentation of the pile due to small diameter of the composting particles and the loose pile, has thorough fermentation of the particles of the sludge mixture, improves the quality of the sludge fermented products, makes the sludge fermented products meet the decontamination, stabilization and reduction index requirements specified by the national standard, and greatly saves electric energy consumption and reduces operating cost.

The invention discloses a system and a method for ventilating stacks and collecting exhaust gases and percolate of compost. At least one air tube is laid in a base at the bottom of each stack along a length direction of the stack; grooves are reserved on the bases above vents of the air tubes; ventilation protecting layers are laid in the grooves above the vents; one end of each air tube is connected with a main air tube connected with a blower, while the other end is sealed with a pipe closer; a percolate outlet is downwards reserved at the closed end of each air tube; cleaning grooves are reserved on the peripheries of the pipe closers and the percolate outlets; percolate buffering and discharging devices connected with the percolate outlets are arranged in the cleaning grooves; an exhaust pipeline is arranged above each stack along the length direction; exhaust openings are distributed at the bottom of the exhaust pipeline; and each exhaust pipeline is connected with a main exhausttube. The system and the method have the advantages of greatly reducing the quantity of civil engineering at the same time of ensuring relatively better oxygenation state in the whole composting body, and simultaneously realizing the directed and highly-efficient collection of the exhaust gases produced in a composting process; and the system has a simpler structure and is convenient to operate.

The invention provides a bottom air admission type closed cooling tower, which comprises a fan, a water collector, a spray pipe, a heat exchange tube assembly, a water tank and a spray pump, the fan is arranged on the top in a closed cooling tower shell, the water collector is arranged under the fan, the spray pipe is arranged under the water collector, the heat exchange tube assembly is arrangedunder the spray pipe, the water tank is arranged on the bottom in the closed cooling tower shell, and the spray pump is arranged outside the water tank and respectively communicates with the water tank and the spray pipe; the bottom air admission type closed cooling tower also comprises a plurality of water guide louvers, the water guide louvers are arranged on the bottom of the cooling tower, and moreover, an air inlet is arranged between each two neighboring water guide louvers. When the bottom air admission type closed cooling tower is used, air distribution is more uniform, the heat exchange efficiency is effectively increased, moreover, the arrangement of a group of towers is more benefited, and more project land is saved. When a large-water quantity project is treated, the multi-rowtube assembly arranged under the single fan can effectively solve the problem of large water quantity, more structural part cost is saved, and the bottom air admission type closed cooling tower is convenient to maintain.

The invention discloses a regenerative device and method for desulfurized and denitrified active coke. The regenerative device comprises a regenerative reactor, wherein the regenerative reactor is composed by the connection of an inlet blocking valve, a feeding bin, a heating bin, a regenerative bin, a precooling bin, a cooling bin, a discharging bin, and an outlet blocking valve in sequence; a heating heat exchanger component is arranged in the heating bin; a precooling heat exchanger component is arranged in the precooling bin; a cooling heat exchanger component is arranged in the cooling bin; a nitrogen carrying bin for inletting ammonia nitrogen gas to improve the desulfurization and denitrification performances of regenerated active coke during regeneration process is arranged between the precooling bin and the cooling bin. The regenerative method adopts the regenerative device to conduct the regeneration of the active coke. According to the invention, more reasonable utilization of energy can be realized in the regeneration process to allow the desulfurization and denitrification performance of the regenerated active coke to obtain further improvement; on-line modification can be conducted on the active coke through the nitrogen carrying bin to keep high desulfurization and denitrification performance of the active coke.

The invention provides a biological filter deodorizing device, which comprises an air inlet pipe, a biological filter tower, a centrifugal fan and an air discharge chimney. The device is characterized in that: the biological filter tower adopts a double-tower structure of circular inner and outer towers; the inside of the tower is filled with inorganic-organic mixed fillers; the upper part of the inner tower is provided with a ring-shaped air distribution channel; the upper part of the outer tower is provided with a ring-shaped air collection channel; the circumferences of the air distribution channel and the air collection channel are evenly provided with slotted type air outlets; the inner tower and the outer tower are communicated with each other by a lower part space; the air inlet pipe is communicated with an air inlet of the biological filter tower and the ring-shaped air distribution channel on the upper part of the inner tower; and an air inlet of the centrifugal fan is communicated with an air outlet of the biological filter tower and the ring-shaped air collection channel on the upper part of the outer tower, and an air outlet of the centrifugal fan is communicated with the air discharge chimney. The centrifugal fan pumps the biological filter tower, and a negative pressure is formed, thereby solving the problem of uneven air distribution and easy leakage of air existing in the prior device. The device also has the advantages of high removal rate, no secondary pollution, simple structure and convenient maintenance and management.

The present invention provides a biological soil filter body deodorization equipment. It includes a blower fan, and is characterized by that said blower fan is connected with soil filter bed includes soil hard-layer of bottom portion, peripheral brick wall and active soil filter layer whose interior is filled up with air-permeable soil medium; between the soil hard layer and active soil filter layer a gas distribution layer is set, in the gas distribution layer the gas distribution tube with gas distribution holes is set, said gas distribution tube is connected with the above-mentioned humidifier; on the upper surface of active soil filter layer the vegetation can be planted.

The invention relates to combined biological deodorization integrated equipment and a processing method of odorous gas. According to the invention, a liquid collecting zone is added between a floated biological reaction zone and a fixed biological reaction zone of an upward flow biological odorous gas processing device of the combined biological odorous gas processing equipment; a top part of the floated biological reaction zone has a butt joint with the liquid collecting zone; a separator is arranged between the floated biological reaction zone and the liquid collecting zone; a side wall of the liquid collecting zone is provided with water outlets, and the top part of the liquid collecting zone has a butt joint with the fixed biological reaction zone; a perforated plate is arranged between the liquid collecting zone and the fixed biological reaction zone; more than two vent pipes, which are arranged in the inner liquid collecting zone, communicate with the floated biological reaction zone; a liquid level control zone is added on the outer floated biological reaction zone; and a side wall of the liquid level control zone is provided with the vent pipes. The equipment not only reserves advantages of the combined biological odorous gas processing equipment, but also has a uniform gas distribution, can effectively collect liquids and control the liquid level, and allows spraying and gas processing to be carried out simultaneously.

The invention discloses a sewage treatment device based on 3D printing biological stuffing, and belongs to the field of water pollution government devices. The device comprises a barrel body, a stirring device, an aeration device and stuffing and the device further comprises a water bath machine and a water bath machine water inlet pump, wherein the two ends of the water bath machine are respectively connected with a water bath layer water inlet tube and a water bath layer water outlet tube; a water bath layer water inlet pump is arranged between the water bath machine and the water bath layer water inlet tube; the stuffing is vertically suspended between upper gridding and lower gridding; adjacent two rows of stuffing are arranged in a staggered manner at upper and lower layers, and the spacing between the adjacent two rows of the stuffing is equal; the lower gridding is matched with the inner edge of an inner cavity; the upper gridding is matched with the outer edge of the inner cavity. The device disclosed by the invention is high in stuffing film-suspending rate, high in sewage treatment load, capable of realizing automatic control and suitable for sewage treatment for domestic sewage such as household sewage, housing estate sewage or plant sewage and similar water quality, and is not blocked.

The invention relates to a low-concentration organic exhaust gas fluidization tower. A muddy water zone, a fluidization zone, an adsorption oxidation zone, a dehumidification zone, an activated carbon adsorption zone and an exhaust fan are arranged from bottom to top of the tower in turn; the muddy water zone is designed as a tapered structure and is used for collecting the muddy water from the upper part; a draining valve is arranged at the bottom of the tapered structure; the draining valve is connected with a sludge thickener on the outer side of the tower; a fluidization drum is arranged in the fluidization zone; the fluidization drum has a cylindrical structure and is located at the center of the fluidization zone; the lower end opening of the fluidization drum is located at the bottom of the fluidization zone while the upper end opening is located on the upper part of the fluidization zone; a gas inlet pipe and a gas distributing pipe are arranged at the lower end of the fluidization drum; the gas distributing pipe is arranged in the shape of a concentric circle; the adsorption oxidation zone is located on the upper part of the fluidization zone; the dehumidification zone is arranged on the upper part of the adsorption oxidation zone; and the activated carbon adsorption zone is arranged on the upper part of the dehumidification zone.

A hot air welding nozzle for a hot air welding device for welding overlapping webs of sealing material, in particular webs of bitumen. The hot air welding nozzle includes a connection for a hot air supply, a top and a bottom heat plate forming an air space, and at least one rear outlet between the top and bottom heat plate on a facing side that is oriented in a direction opposite to the moving direction of the hot air welding device, with at least one front outlet relative to the moving direction of the hot air welding device, and with air guides that extend beyond the facing sides of the heat plates, at least on the inner side, i.e. the side facing away from the connection for a hot air supply. With the hot air welding nozzle designed as proposed by the invention, and/or a hot air welding device of appropriate design, it is now possible to weld webs of sealing material, in particular webs of sealing material made of bitumen, considerably faster due to the long pre-heating zone.

The invention discloses a novel diving jet-type biological aerated filter, comprising a biological filter, wherein a filter filler part and a filter material layer are arranged in the biological filter; a water inlet tube is arranged at the upper end of the biological filter, and a water outlet tube is arranged at the lower end of the biological filter; a bridge is installed at the top end of the biological filter; a diving jet-type aerator which is fixed via a hoisting chain is installed on the bridge; and the main machine of the diving jet-type aerator is installed below the filter filler part. Via the mode aforementioned, the novel diving jet-type biological aerated filter disclosed by the invention is capable of effectively improving gas-liquid mixing effect, realizing uniform gas distribution, increasing oxygen utilization rate, creating an environment suitable for growth of microbes which are used for oxygenolysis of organic matters, improving effluent treatment effect, and saving space and construction cost.

The invention relates to a continuous hydrolysis kettle converted from a furfural intermittent hydrolysis kettle. An intermittent pressure preheating feeding device, a material level monitoring device, an intermittent deslagging amount and time control device and a computer control system for continuously discharging furfural are added to complete the converting process of the furfural hydrolysis kettle from intermittent to continuity.

The invention relates to a gas generating device, in particular to a vertical carbon-dioxide generator for a greenhouse with the purpose of solving the technical difficulty that carbon dioxide generators in the same kind are high in energy loss. The vertical carbon-dioxide generator comprises a thermal decomposition reactor and an ammonia absorber. The top end of the thermal decomposition reactor is provided with a feeding sealing cover. The bottom of the thermal decomposition reactor is provided with a heater. The side wall of the thermal decomposition reactor is provided with a waste discharge valve and a mixed gas pipe. The mixed gas pipe and the ammonia absorber are communicated. The side wall of the ammonia absorber is provided with a liquid level pipe, a water-adding valve, an ammonia water discharge valve and a carbon-dioxide exhaust pipe. The interior of the ammonia absorber is provided with a millipore filter communicated with the mixed gas pipe.The vertical carbon-dioxide generator for the greenhouse has following beneficial effects: by heating ammonium bicarbonate, carbon dioxide is produced and gas is produced at high speed; by means of a pressure adjusting system, uniform gas distribution at long distance can be achieved; the problem that a technical product in the same kind may have energy dissipation due to the need of air pump pressurization is solved; the vertical carbon-dioxide generator is adapted for greenhouses with all specifications; and carbon dioxide can be supplemented to multiple greenhouses in a unified way at the same time.

The invention discloses a purification device and method for strongly acidic components in exhaust gas. The purification device is characterized by comprising a reactor shell, an active material filling container arranged in the reactor shell and a bearing layer arranged between the reactor shell and the active material filling container. The top of the reactor shell is sealed through a sealing cover plate. The reactor shell is provided with a gas inlet, a gas outlet and a liquid outlet. A gas guide pipe is inserted into the active material filling container. According to the purification device, the exhaust gas containing the strongly acidic components is distributed through the bearing layer, enters the gas guide pipe and then enters the active material filling container through gas holes distributed in the gas guide pipe to make contact with an active material, the strongly acidic components are reacted with the active material to form salt, and purified exhaust gas is exhausted through an exhaust pipe.

The invention relates to a circulating fluid bed waste incineration boiler with an open-type furnace chamber. The circulating fluid bed waste incineration boiler comprises the open-type furnace chamber, a cyclone separator, a cooling chamber and a tail convection flue which are connected with one another in turn, wherein the lower end of the cyclone separator is connected with an external heat exchanger, and the other end of the external heat exchanger is connected with the open-type furnace chamber; a high-temperature over-heater is arranged in the external heat exchanger; a plurality of air distribution tubes are arranged on the same horizontal plane equidistantly to form an open-type air distribution plate which is arranged at the bottom of the open-type furnace chamber; an ash hopper is connected below the open-type air distribution plate; a fuel ash valve is arranged below the ash hopper; the open-type air distribution plate separates the upper part of the open-type furnace chamber and the ash hopper; and the open-type air distribution plate consists of the plurality of air distribution tubes. The circulating fluid bed waste incineration boiler can successfully discharge materials which can be easily wound on an air cap, or large-particle or even blocky materials such as iron wires, iron nails and the like in wastes, can uniformly distribute air, is difficult to coke and clinker, and fulfills the aims of prolonging the continuous operation time of the waste incineration boiler and saving energy resources.

The invention provides a multifunctional carbon-containing substance pyrolysis evaluation device which comprises a reactor (1), a condensing unit or a dust content testing device (16), a gas oil-water separator (8), a liquid storage tank (9) of the separator, a first gas flow meter (10), a gas storage tank (11) and a forced gas circulation device, wherein the reactor (1), the condensing unit or the dust content testing device (16), the gas oil-water separator (8), the first gas flow meter (10) and the gas storage tank (11) are sequentially communicated with one another; a liquid outlet of the gas oil-water separator (8) is connected with the liquid storage tank (9) of the separator. The multifunctional carbon-containing substance pyrolysis evaluation device can be used for carrying out multiple evaluation tests such as low temperature carbonization, forced-convection heat transfer, hydropyrolysis and dust content measurement as well as quantitative analysis on different types of carbon-containing substances such as coal, biomass, garbage, waste tires, waste organic matters and organic sludge. The invention also provides a multifunctional carbon-containing substance pyrolysis evaluation method.