36results about How to "Good production flexibility" patented technology

A kind of integrated hydrogenation improving quality method for the oil fractions from Fishcher-Tropsch synthesis process, it is used to gain high quality middle fraction oil. The all fractions and hydrogen contact with hydrofining catalyst, the middle fraction oil gained after isolation, naphtha and tail oil will be mixed by the reactant liquor of hydrofining and the reactant liquor of hydrocracking reactant liquor, the tail oil and hydrogen will be mixed and then circulate to isocracking reacktor and contact with hydrocracking and isocracking catalyst. The yield of the diesel oil is higher than 80% by the method, and the cetane number will be as high as 80, The water produced by hydrofining process can be prevented to go into the isocracking reacktor by this method, the availability and using periodic can also be improved. Moreover, the technological process of this method is high integrated; the equipment needed is fewer, so the cost of investment and operation can be decreased.

A kind of integrated hydrogenation improving quality method for the oil fractions from Fishcher-Tropsch synthesis process, it is used to gain high quality middle fraction oil. The all fractions and hydrogen contact with hydrofining catalyst, the middle fraction oil gained after isolation, naphtha and tail oil will be mixed by the reactant liquor of hydrofining and the reactant liquor of hydrocracking reactant liquor, the tail oil and hydrogen will be mixed and then circulate to isocracking reacktor and contact with hydrocracking and isocracking catalyst. The yield of the diesel oil is higher than 80% by the method, and the cetane number will be as high as 80, The water produced by hydrofining process can be prevented to go into the isocracking reacktor by this method, the availability and using periodic can also be improved. Moreover, the technological process of this method is high integrated; the equipment needed is fewer, so the cost of investment and operation can be decreased.

Process for heating titanium-oblique rolling punch rod blank adopts horizontal step-by-step medium-frequency induction heating finance as tool. The heating furnace consists of automatic skip mechanism, core-watch temperature differential monitoring system and fast-extraction discharge mechanism. The process is carried out by hoisting titanium rod onto bedding rack by overhead traveling crane, arranging on movable bedding rack paralleled, lifting titanium-rod onto charge rack on slop by production beat, entering into horizontal step-by-step medium-frequency induction heating furnace successively, moving titanium-rod forwardly by step-by-step mode, raising temperature while homogeneous heating, discharging, entering into blow tank of oblique-rolling punch, nipping and punching to raw pipe. It's simple, safe and cheap and has no environmental pollution.

The invention provides a method for producing clean diesel oil from synthetic gas. The method comprises the following steps: allowing synthetic gas to enter a tubular fixed bed reactor and contact with a catalyst for a Fischer-Tropsch synthesis reaction, wherein the interior surface of a reaction tube is smooth, and the exterior surface of the reaction tube has a groove; separating heavy hydrocarbon and light hydrocarbon out from a synthetic product; mixing light hydrocarbon with hydrogen, allowing an obtained mixture to enter a hydrorefining reactor and contact with a catalyst for a hydrogenation saturation reaction and a hydrogenation deoxidation reaction; and allowing a hydrorefining reaction product to enter a separation system, mixing separated tail oil with heavy hydrocarbon, allowing an obtained mixture to enter a hydrogenation isocraking reactor and allowing a product to enter the separation system so as to obtain an intermediate distillate oil product. The method provided by the invention overcomes the problems of hardly controllable reaction heat and difficult heat transfer and hot spots of a reactor during the Fischer-Tropsch synthesis reaction and realizes economic and effective production of the clean diesel oil directed at the characteristic that hydrocarbons are produced in the process of production.

The invention discloses a mobile type pneumatic pressing device. The device comprises a C-shaped frame, a connecting rod, a pressure plate, a pneumatic drive device, a lever and a control switch for controlling a steam cylinder or pneumatic muscle, wherein a strip-shaped hole is formed in one end of the lever, a connecting pin connected with the connecting rod is arranged in the strip-shaped hole, and the other end of the lever is hinged with a power output end of the pneumatic drive device; a hoisting connecting part is further arranged on the C-shaped frame. According to the mobile type pneumatic pressing device, the lever transfers power to the connecting rod under the drive of the steam cylinder or the pneumatic muscle, the connecting rod transfers power to the pressure plate, press fitting of a workpiece is realized, the pressing force is large, press fitting of a large workpiece can be realized, the hoisting connecting part is arranged on the C-shaped frame, the pneumatic pressing device can be conveniently transferred and moved in a workshop by means of hoisting equipment and can perform press fitting production in different places, and the production flexibility is good.

The invention relates to a landfill sludge treatment method. The method comprises the following steps: sampling and analyzing sludge, determining the pH value, the type of smelly pollutants, the landfill depth and the horizontal distribution of the sludge, preparing an oxidation preparation, injecting the oxidation preparation into underground sludge by virtue of in-situ mixing and stirring equipment, and simultaneously stirring the oxidation preparation and the sludge underground by virtue of an impeller stirring head of the in-situ mixing and stirring equipment; after uniform stirring, carrying out standing reaction for 3.5-5.5 hours, and putting a curing agent into sludge by using an engineering machine, and stirring continuously by using the in-situ mixing and stirring equipment; afteruniform stirring, standing for 24-48 hours, carrying out open type excavation and transfer on the solidified sludge. By sequentially carrying out in-situ treatment and excavation, the construction operability is strong, the investment cost of the equipment is low, the treatment period is short, the treatment is thorough, the secondary pollution is avoided, the problem of stink pollution in the excavation process of the sludge is solved, and meanwhile, the treatment of the sludge is realized; and the method has relatively good economic and social benefits.

The invention discloses a three-layer metal clad plate short process roll forming device and method. The device comprises a rack, two rollers, a crystallizer, two tundishes and a preheating device, wherein the two rollers are horizontally mounted on the rack in parallel; the crystallizer is mounted on the two rollers; the two tundishes are mounted on the top of the crystallizer; the preheating device is mounted on the middle position of the crystallizer and between the two tundishes; a rectangular channel through which a core layer metal plate passes is formed in the center of the crystallizer and the center of the preheating device. According to the invention, structures that two crystallizing cavities are formed between the crystallizer and the two rollers and the rectangular channel through which the core layer metal plate passes is formed in the center of the crystallizer are adopted, so that after two kinds of cladding layer molten metal are continuously cooled and stirred to form a semi-solid state sizing agent in the two crystallizing cavities, the sizing agent and the core layer metal plate are directly compounded and rolled into a three-layer metal clad plate. Therefore, the three-layer metal clad plate produced by using the device and the method has the advantages that the production process flow is short, the quality is excellent and the like.

The invention discloses a method and a device for improving interlayer bonding force of a fiber reinforced building plate. The method comprises the following basic steps of a, adding slurry to a forming cylinder layer by layer by rotating to form a wet blank; b, when the wet blank reaches a certain thickness, enabling array needles on a plurality of arc-shaped acupuncture tiles above the forming cylinder to be in contact with and inserted into the wet blank gradually, and generating corresponding array holes; c, continuing receiving the slurry by the array holes so that the array holes are filled to form array rivets, and stripping the array rivets after the wet blank reaches the thickness; and d, pulling the arc-shaped acupuncture tiles to a starting side, and repeating the process aboveto realize continuous production. The device comprises the forming cylinder, the plurality of the arc-shaped acupuncture tiles, hinges, the array needles, an elliptical closed orbit, universal joints,hanging rods, a pulling motor, a control system, a lifting system and the like. The method and device disclosed by the invention are easily combined to a conventional copying method or slurry flowingmethod production line at present, and do not have limitation on components, thickness and the like of materials; and the performance of the obtained fiber reinforced building plate with improved interlayer bonding force is greatly improved.

The invention provides a preparation method of fructose syrup. The preparation method comprises the following steps: adding magnesium sulfate and sodium metabisulfite into glucose liquid with the content of glucose being more than 93%, regulating the pH value of the mixture to 7.0-8.5, heating the mixture to 60-80 DEG C and adding liquid glucose isomerase into the mixture; performing a thermal reaction for 10-30h after uniform mixing, so as to obtain rough fructose syrup; then, regulating the pH value to below 4.0, performing decoloration and removing impurities, so as to obtain the fructose syrup. Compared with the prior art, the method is simple in production process and less in investment on production equipment; in addition, equipment such as an isomerism column, chromatographic separation equipment and the like are not needed, so that the method is convenient in operation, high in flexibility of production scheduling and relatively low in energy consumption, therefore, the methodis beneficial for environmental protection.

The invention provides a preparation device of a large-area titanium dioxide thin film catalyst and a preparation method thereof, relating to the preparation device and the method of a titanium dioxide catalyst and solving the problem that the continuous and high-efficiency preparation of the large-area titanium dioxide thin film catalyst is hardly realized under the condition of low-power power supply. The electrolyte in a reaction monomer tank is in contact with the side of an anode made of titanium and the side of a cathode synchronously, a driving mechanism is used for enabling the reaction monomer tank to make relative movement along the side of the anode made of the titanium. The preparation method mainly comprises the following steps of: circularly flowing the electrolyte between an electrolyte tank and the reaction monomer tank; applying voltage or current between the anode and the cathode, wherein the current density is below 200mA/cm2 and the voltage is below 300V; and enabling the reaction monomer tank to make relative movement along the side of the anode made of the titanium according to set requirements. The device can prepare the large-area titanium dioxide thin film catalyst under the condition of the low-power power supply by arranging the reaction monomer tank capable of moving relative to the anode made of the titanium. The method has good production flexibility and high efficiency.

The invention relates to a tower type sand making unit. The tower type sand making unit comprises a multi-layer vertically-arranged steel structure supporting frame body and a PLC control system; a movable feeding mechanism is arranged outside the steel structure supporting frame body; a crushing and screening mechanism and a dust collecting mechanism are arranged in the steel structure supportingframe body; the movable feeding mechanism comprises an elevator and a Y-shaped discharging articulated chute; double rails are arranged at the bottom of the steel structure supporting frame body; theelevator is arranged on the outer rail of the double rails; the Y-shaped discharging articulated chute is arranged above the crushing and screening mechanism; the dust collecting mechanism is arranged on one side of the crushing and screening mechanism; the crushing and screening mechanism and the movable feeding mechanism realize a cycle; the crushing and screening mechanism comprises a crusher,a screening machine and a movable material receiving bin; the movable material receiving bin is arranged on the inner rails of the double rails and comprises a coarse crushing product bin and a finecrushing product bin; a vertical main pipe of the Y-shaped discharging articulated chute is connected with the crusher; and a first branch pipe and a second branch pipe are both connected with the elevator. The tower type sand making unit is provided with sandstone feeding, crushing, screening and shaping mechanisms, so that the requirement that sandstones with different particle sizes are discharged at the same time is met.

The invention discloses a system and method for converting a biomass raw material into clean diesel. The system comprises a biomass gasification unit, a synthetic gas purification unit, a Fischer-Tropsch synthesis reaction unit, a hydrofinishing unit and a hydroisomerization cracking unit. The system has the advantages of simple processes, high integration, high energy efficiency and good economy.The system and method realize efficient conversion and utilization of biomass.