91results about How to "Full contact mixing" patented technology

The invention provides a fluidized bed reactor of biomass tar. The fluidized bed reactor at least comprises a reactor shell for containing a reaction material; a distributor is fixedly arranged at the lower part inside the reactor shell; a device for preventing a catalyst from escaping is arranged at the upper part of the reactor; a raw material inlet and a product outlet are formed in the reactor shell; the raw material inlet at least comprises a biomass tar inlet; the biomass tar inlet is arranged at the lower part of the lateral wall of the reactor shell and above the distributor. According to the fluidized bed reactor disclosed by the invention, the biomass tar inlet is arranged above the distributer, boiling is effectively performed by virtue of the impact effect of hydrogen and circulating liquid entering from the lower part of the distributor, and the condition that the catalyst fully contacts the biomass tar and is fully mixed with the biomass tar for quickly reacting can be ensured, so that the coking phenomenon generated by polymerization reaction of biomass tar is prevented.

The invention belongs to the technical field of smoke purifying, and provides a glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and a technology. A waste-heat boiler (2) of the glass-furnace-smoke synchronous denitration-desulfurization-dedusting technological device is internally and sequentially provided with a primary heat exchanger (7), a medium-temperature denitration reactor (8), a secondary heat exchanger (9) and a multistage heat exchanger (10) from front to back in the smoke flow direction; a low-temperature denitration-desulfurization-dedusting reacting tower (3) comprises a tower body divided into a main tower body (11) and an auxiliary tower body (12); a reducing agent evaporator (13) is arranged in a smoke inlet in one side of the main tower body (11); a low-temperature catalysis reacting bed (20) is arranged in the auxiliary tower body (12). By means of the glass-furnace-smoke integrated-denitration-desulfurization-dedusting technological device and the technology, the one-time investment cost and the occupied area are saved, and meanwhile the operating cost is reduced; and the aims of clean governance and zero release are achieved as a whole.

The invention discloses a sewage treatment aeration device. The top end of a device body is fixedly connected with a driving motor; the lower end of the driving motor is rotationally connected with adriving shaft; a bearing at the upper end of the driving shaft is rotationally connected with the device body; the upper part of the driving shaft is fixedly connected with a semi-conical gear respectively; a toothed part of the semi-conical gear is meshed with a first conical gear; the first conical gear is fixedly connected with a lead screw; a bearing at the other end of the lead screw is rotationally connected with the device body; the lead screw is in threaded connection with a sleeving block; the front part and the rear part of the sleeving block are fixedly connected with support rods;the end parts of the support rods are connected with sliding chutes in a sliding way; the sliding chutes are formed in the upper part of a swinging plate. According to the sewage treatment aeration device, the lead screw is used for driving the sleeving block to move leftwards and rightwards in a reciprocating way in order to drive the swinging plate to swing and fully mix gas and liquid inside the device body; the second conical gear drives a driven shaft and a stirring bar under the action of an annular conical rack to revolve and rotate simultaneously, so that a better mixing effect is achieved. The device is reasonable and applicable in structural design, gas and liquid are fully contacted and mixed, the sewage aeration efficiency is increased greatly, and time is saved.

The invention belongs to the related technical field of diesel engines, and discloses a combustion chamber system suitable for a high-power-density diesel engine. The combustion chamber system comprises a main combustion chamber and an auxiliary combustion chamber, wherein a fuel oil mist beam of a fuel injector in the main combustion chamber points to a protrusion of the main combustion chamber,collides with the protrusion and is divided into an upward plume and a downward plume, and the tendency of forming oil-in-fire in the later period of combustion is weakened; high-temperature and high-pressure gas combusted in the auxiliary combustion chamber is sprayed out through a throat opening and comprises a horizontal component and a vertical component, the horizontal component disturbs thespraying direction of the fuel oil mist beam in the main combustion chamber, the oil-in-fire phenomenon in the early combustion stage is broken, and the vertical component pushes a piston to do work downwards; and air entering the auxiliary combustion chamber through the throat opening forms a rotational flow in the auxiliary combustion chamber, complete combustion of fuel oil in the auxiliary combustion chamber is promoted, and the inhibition effect on the oil-in-fire phenomenon is improved. According to the combustion chamber system, the oil-in-fire phenomenon existing in the high-power-per-liter diesel engine is solved, the combustion efficiency of an internal combustion engine is improved, and the practicability is very high.

The invention discloses a wastewater purifying treatment device. The device is characterized in that a left side of a driving shaft is rotatably connected to a device body through a bearing, wherein aleft end of the driving shaft is fixedly connected to a semi bevel gear; bevel gears are arranged at the upper part and the lower part of the semi bevel gear and are fixedly connected to the upper parts of lead screws; toothed parts of the semi bevel gear are engaged with the bevel gears; the lead screws are rotatably connected to the device body through the bearing; the lead screws are in threaded connection with the middle part of a transverse plate; the upper ends of two sides of the transverse plate are fixedly connected to the lower end of a telescoping rod; the upper end of the telescoping rod is fixedly connected to the device body; supporting rods are rotatably connected to the bearings at the lower parts of two sides of the transverse plate. According to the device, a driven shaft is driven through the lead screws to rotate so as to drive a swinging plate to rotate, and meanwhile, the transverse plate which up and down reciprocates is capable of driving the supporting rods and small rollers to reciprocate to press the swinging plate; the swinging plate swings while rotating, so that gas and liquid can be mixed in a full contact manner, and as a result, the dissolved oxygen of water solution can be greatly increased. The design is reasonable and practicable in structure design, capable of greatly increasing the wastewater purifying efficiency, and time-saving.

The invention discloses a pneumatic biological drum device and a wastewater treatment method with a function of efficient biological nitrogen removal. The pneumatic biological drum device comprises awater tank, a drum and a gas diffusion assembly, wherein the drum is arranged in the water tank, the drum is filled with biological filler, and the gas diffusion assembly is used for supplying oxygento an aerobic area in the water tank through aeration and pushing the drum to rotate. Due to the arrangement of the gas diffusion assembly, while the dissolved oxygen is supplied to a biological filmon the biological filler in the drum through aeration, the drum can be pushed to rotate, therefore, it is achieved that the biological film and wastewater make full contact and mixed, and the nitrogenremoval efficiency is improved. The structure is simple, the area occupied by the device is small, the investment cost is low, through pneumatic drive, the energy consumption is low, and later maintenance is simple.

The invention discloses an urban ecological river sediment pre-treatment system. The urban ecological river sediment pre-treatment system comprises a treatment box, the treatment box is internally provided with a water strainer plate arranged in an inclined mode, the water strainer plate separates the inner part of the treatment box into a treatment cavity and an accumulated water cavity which arearranged up and down, the treatment cavity is divided into a filtering cavity, a winding cavity, an adsorption cavity and a flocculation cavity from left to right, the winding cavity is internally provided with a winding assembly, a sewage cleaning assembly is arranged on the upper part of the winding assembly, a sewage accumulating box is arranged on the right side of the winding assembly, and the adsorption cavity is internally provided with an adsorption assembly. A treatment method comprises the following steps of (1) filtering treatment, (2) winding and impurity removing treatment, (3) adsorption treatment, (4) flocculation dehydration treatment, and (5) cleaning and maintenance. According to the urban ecological river sediment pre-treatment system and the treatment method, stone, impurities and the like in sediment are removed through the filtering cavity, suspended impurities in the sediment are removed in a winding mode through design of the winding cavity, magnetic materialsin the sediment are adsorbed through the absorption cavity, and finally flocculation is conducted on the sediment through the flocculation cavity, and follow-up dehydration and drying treatment is conveniently conducted on the sediment.

The invention discloses a steel bar cutting device for building engineering construction, and relates to the technical field of building construction. The steel bar cutting device comprises a fixing frame. A supporting frame used for supporting steel bars is fixed to the fixing frame. A cutting motor is fixed to a limiting frame. An output shaft of the cutting motor is in driving connection with acutting blade. A material collecting box is fixed to the fixing frame. The material collecting box is connected with the supporting frame through a conveying mechanism. A collecting groove used for collecting steel bars is formed in the right side of the supporting frame. According to the steel bar cutting device for the building engineering construction, a moving mechanism can transversely reciprocate through the arranged driving mechanism, at the moment, a concentric-square-shaped frame drives a mounting frame to achieve the rotating effect, that is, a stirring frame, used for stirring soil, on the mounting frame achieves reciprocating swing, and the soil stirring sufficient degree is remarkably improved. The arranged stirring frame can achieve the reciprocating swing effect, meanwhile,rotation can be achieved, soil in a storage tank is fully stirred and further improved, the soil and a medicament for treating the soil are fully contacted and mixed, and the soil treatment efficiency is greatly improved.

The invention provides a gas-liquid mass transfer box and a bio-trickling filter and belongs to the technical field of volatile organic compound control. The gas-liquid mass transfer box comprises a box body, a gas inlet pipe for conveying working gas, a Venturi tube, a liquid inlet pipe and a conveying pump for pumping working liquid. The liquid inlet pipe is connected with the conveying pump in a matched mode. The gas inlet pipe, the liquid inlet pipe and the Venturi tube communicate with one another in the box body. Gas and liquid are sufficiently mixed according to the working principle of the Venturi tube, and the mass transfer effect of organic waste gas is improved. The bio-trickling filter comprises a filter body, a spraying system and the gas-liquid mass transfer box. The filter body is provided with a liquid storage section, a gas distribution section and a filler section for fixing filler, and the liquid storage section, the gas distribution section and the filler section are connected in sequence. The gas-liquid mass transfer box is connected with the gas distribution section through a pipeline. The bio-trickling filter sufficiently utilizes the mass transfer effect of the gas-liquid mass transfer box, and the treatment capacity of a biological purification system is brought into play efficiently.

The invention discloses a reaction still, comprising a still body, a stirring shaft and a motor, and also comprising a solid charging opening, a liquid charging opening and a discharge hole, wherein a baffle is arranged below the solid charging opening, and is uniformly provided with multiple discharge holes, a vibrator is also arranged at the top of the still body, and is connected with the baffle by a connecting rod, the discharge hole of the liquid charging opening is provided with an annular spray pipe, the axis of the annular spray pipe and that of the still body of the reaction still are coincident, the annular spray pipe is uniformly provided with multiple spray holes, the middle of the bottom of the still body is vertically provided with the stirring shaft, and the stirring shaft is provided with stirring paddles and is connected with an output shaft of the motor. By adopting the reaction still, charged materials are dispersed and uniform, reactants can contact with each other more fully, and thus the reaction speed and the reaction effect are improved.

The invention discloses a process for reducing hardness of waste water by using carbon dioxide-containing waste gas. The process comprises the steps of 1) adjusting pH; 2) performing carbon dioxide hardness reduction reaction to remove the hardness of the wastewater; 3) filtering; 4) conducting filter pressing; and 5) cleaning. The invention belongs to the technical field of wastewater hardness reduction, and particularly relates to a process for reducing wastewater hardness by carbon dioxide-containing waste gas, which is simple in flow and capable of reducing acid consumption and sodium ion introduction.

The invention discloses a method for assisting algicidal bacteria for algae-lysing and an in-situ mixing and oxygenating device. The device comprises a tank body, a floating system and a bacteria throwing system, wherein the tank body is suspended in water through a buoyancy force of a float system; the bacteria throwing system is located in the tank body. The device also comprises a dosing system and a stirring system, wherein the dosing system comprises an H2O2 storage tank; the H2O2 storage tank is located in the tank body; the stirring system is located under the tank body, and comprises a rotary shaft; an upper paddle and a lower paddle are arranged on the rotary shaft and inclined to a horizontal surface; the upper paddle adopts a single-side sawtooth-shaped structure. According to the device provided by the invention, at the earlier stage of operation, the concentration of dissolved oxygen in water is increased by utilizing the H2O2, the paddles run at high speed so as to break part of algae, and a growth condition of the algicidal bacteria is provided, which is the key of efficiently removing algae through the device. At the later stage of operation, the stirring device runs at low speed so as to promote the algicidal bacteria and the algae to mix sufficiently, the whole system is at a suspended state, the occurrence of deposit is prevented through stirring, meanwhile, the dissolved oxygen with a certain concentration is contained in the water, the update of a liquid level is promoted, and meanwhile, growth and reproduction of the algae are inhibited.

The invention discloses a multi-point jet stirring hybrid anaerobic digester system, comprising at least two stages of anaerobic digesters, a water feeding device, a water distribution device and a sludge discharge pipe, wherein the water feeding device comprises a circulating water inlet pipe and a circulating pump, the top of the circulating water inlet pipe is at least connected with two branch pipes, the first branch pipe outside the top anaerobic digester is communicated with sewage, the first branch pipe outside next stage of anaerobic digester is communicated with the supernate layer of the last stage of anaerobic digester, and the second branch pipes are communicated with the supernate layers of the corresponding anaerobic digesters; and the water distribution device comprises a water distribution main pipe, a water distribution branch pipe and an anti-blocking nozzle. By adopting the system, sludge can be prevented from entering the nozzle to cause blocking, uniform water distribution is ensured, the treatment effect is improved, normal operation of the treatment system is ensured, digestive liquid can sufficiently contact and be mixed with sludge, and the treatment efficiency of the anaerobic digesters is greatly improved.

The invention belongs to the field of air purification, particularly relates to an intelligent air purification system based on the industrial internet, and aims to solve the problems that in the use process of an existing air purification system, air is inconvenient to fully disinfect and sterilize, and a filter plate is inconvenient to block, so that the quality and efficiency of air purification are reduced. According to the scheme, the system comprises an Internet terminal, the Internet terminal is connected with an air collection module, the air collection module is connected with an air quality detection module, the air quality detection module is connected with a data analysis module, the data analysis module is connected with a data collection module, and the data collection module is connected with a control module, and the control module is connected with an air purification module. According to the air purification system, in the using process, air can be fully disinfected and sterilized conveniently, and blocking prevention can be conveniently conducted on the filter plate, therefore the quality and efficiency of air purification are reduced, and the air purification system is simple in structure and convenient to use.

The invention discloses a reactor for activating PS (persulfate) based on MOFs (Metal organic Framework) and a method for treating wastewater by using the reactor. The reactor for activating PS basedon MOFs is of a three-layer filling column structure and sequentially comprises a filtering layer, an MOFs material filling layer and a buffer layer from bottom to top, and the layers are connected ina mode of flanged connection. The reactor has a small height-diameter ratio, is full in space utilization and convenient to disassemble, and is capable of effectively fixing MOFs materials to performcatalysis and simultaneously ensuring that the wastewater is in full contact with the MOFs materials, the MOFs materials can be recycled, and a lot of raw materials and energy sources can be saved. The method for treating wastewater by using the reactor for activating PS based on MOFs realizes degradation of industrial wastewater generated by advanced oxidation treatment by activating PS based onMOFs; in treatment processes, ferrous ions are fully utilized, and less iron mud is generated; and after treatment, the chroma is obviously reduced, and the wastewater can be deeply treated so as toensure that the wastewater to be discharged is up to standards.

The invention relates to the technical field of carpets, in particular to an anti-fouling carpet and a preparation method thereof. The anti-fouling carpet comprises a water-proof layer, a hot melt adhesive layer, a wear-resistant layer and a nanometer TiO2 self-cleaning layer which are arranged from bottom to top in sequence, wherein multiple anti-skid bulge parts which are arranged at intervals are arranged below the water-proof layer, the upper ends of the anti-skid bulge parts is connected with the lower surface of the water-proof layer, and nanometer TiO2 particles are embedded into the nanometer TiO2 self-cleaning layer. According to the anti-fouling carpet, by arranging the nanometer TiO2 self-cleaning layer on the outer surface, the photocatalysis of the nanometer TiO2 particles inthe nanometer TiO2 self-cleaning layer can be used for degrading dust particles and stains attached to the surface of the anti-fouling carpet, so that the self-cleaning performance and the anti-fouling performance of the anti-fouling carpet are improved; moreover, by arranging the water-proof layer and the wear-resistant layer, the waterproofness and the wear resistance of the carpet are improved,the service life of the carpet is long, the preparation method of the anti-fouling carpet is simple and efficient, the operation process is easy to control, the preparation method of the anti-foulingcarpet is beneficial for industrial production, andthe prepared product is stable in quality.

A supercritical water oxidation system is provided. The system comprises a reactor, a protective device, an oxidant supply device and an organic material supply device. The reactor comprises a reactorshell, wherein an oxidant feeding port, an organic matter feeding port and a discharge port are arranged on the reactor shell, and the reactor releases reaction products through the discharge port. The protective device comprises an outer protective layer, a cooling layer and an inner protective layer, wherein the inner protective layer and the outer protective layer are surrounded by a first space and a second space. The cooling layer includes a liquid conduit capable of storing liquid, the liquid conduit being disposed in the first space. The reactor is disposed in the second space, and a discharge port of the reactor extends to an area in the first space other than the area where the liquid line is located, so that the reaction product discharged from the discharge port can be cooled through the liquid stored in the liquid line. The oxidant supply device is communicated with the oxidant feed port, and the organic material supply device is communicated with the organic material feedport.

The invention relates to a lithium ion battery adopting a ternary composite cathode material and a preparation method thereof and belongs to the field of lithium ion secondary batteries. The cathode material of the ternary composite cathode material lithium ion battery is prepared from a titanium oxide used as a titanium source, a titanium salt or a titanium simple substance, a lithium salt used as a lithium source, starch used as a hard carbon precursor and expanded graphite and comprises the following components in parts by weight: 50-98 parts of hard carbon, 1.5-45 parts of lithium titanate and 0.5-5.0 parts of expanded graphite. The lithium ion battery adopting the composite cathode material provided by the invention has the advantages of high specific capacity, high primary efficiency, excellent magnification performance and low-temperature performance, low irreversible capacity, good safety and long cycle life, and can fulfill the requirements of novel lithium ion battery pairs.