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1002results about How to "Into the uniform" patented technology

Radial fixed bed reactor for oxy-dehydrogenation of butylene

The invention relates to a radial fixed bed reactor for oxy-dehydrogenation of butylene. The radial fixed bed reactor mainly solves the problems that the pressure drop of the reactor is high, fluid distribution is nonuniform, a raw material conversion rate is low, and product selectivity is low in the prior art. The radial fixed bed reactor adopts a centripetal Z-shaped structure and is a cylindrical vessel with a catalyst bed; a feed port is located at the top of the reactor; a discharge port is located at the bottom of the reactor; a gas predistributor with a conical single-stage baffle is arranged at the feed port; the catalyst bed consists of a fan-shaped barrel distributor located at an outer ring and a porous wall barrel located at an inner ring; a catalyst is filled in the catalyst bed; a cover plate sealing structure is arranged at the top of the catalyst; the fan-shaped barrel distributor can be in a porosity-variable or Johnson screen structural form; and the porous wall barrel at the inner ring consists of an inner layer center porous barrel, an intermediate layer punched plate and an outer layer screen. The radial fixed bed reactor solves the problems better and can be used for industrial production of preparing butadiene through the oxy-dehydrogenation of butylene.
Owner:CHINA PETROLEUM & CHEM CORP +1

Integrated water treatment purifier

The invention discloses an integrated water treatment purifier which comprises a shell (1) with an inner chamber, wherein the upper part of the shell is connected with a water outlet pipe (2), the lower part of the shell is connected with a mud outlet pipe (4), and the inner chamber of the shell (1) is provided with a flocculation reaction device (5); the flocculation reaction device (5) comprises a water inlet pipe section (5a) and a reactor body (5b), wherein the inner chamber of the reactor body is provided with flocculated packing (5c), the lower part of the reactor body is provided with an upper tapered flow guide component (6), an inclined plate assembly (7) is formed on the outside of the periphery of the reactor body (5b), a lower chamber (1a) is formed in the inner chamber of the shell by the inclined plate assembly, the bottom of the lower chamber (1a) is a concentrated mud collection zone, a filter layer (8) is arranged above the inclined plate assembly (7), a middle chamber (1b) and an upper chamber (1c) are formed in the inner chamber of the shell by the filter layer (8), and the upper chamber (1c) is communicated with the water outlet pipe (2). The integrated water treatment purifier integrates flocculation, sedimentation, filtering and concentrated mud collection, and has the advantages of no mutual interference of functional zones, simple and compact structure and small floor area, which is favorable for enhancing the water quality of output water.
Owner:CHINA MACHINERY INT ENG DESIGN & RES INST

Integrated sewage treatment system and method thereof

The invention primarily discloses an integrated sewage treatment system. The technical scheme of the system is as follows: the integrated sewage treatment system comprises a filtering region, a settling region and a disinfecting region. A squeeze filtration device and a vibrating filtering device are arranged in the filtering region; the vibrating filtering device is located below the squeeze filtration device; the settling region is connected to the filtering region through a first flow guide tube; a feeding device, a stirring device and a rotary filtering device are arranged in the settling region; the feeding device is connected to the stirring device; the rotary filtering device comprises a filtering barrel, a reaction barrel and a rotating motor; the reaction barrel is connected into the filtering barrel through an air cylinder; the rotary shaft of the rotating motor is connected to the bottom of the filtering barrel; the disinfecting region is connected to the settling region through a second flow guide tube; a water spray nozzle is formed in the top of the second flow guide tube; and a baffle plate and an ultraviolet lamp are also arranged in the disinfecting region. The system disclosed by the invention purifies sewage by way of squeeze filtration, vibrating filtration, flocculent precipitation and disinfection, so that purposes of simplifying the process, reducing the investment, enhancing the treatment efficiency, lowering the treatment cost and reducing the occupied area are achieved.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Energy recycling type edible mushroom drying device

The invention discloses an energy recycling type edible mushroom drying device. The drying device comprises an external fresh air introducing device, a total heat exchanger, a multistage pressing type airflow-adjustable air hole, an edible mushroom drying device and an induced draft fan, wherein the total heat exchanger is used for recycling the energy; the edible mushroom drying device sequentially comprises a drying room, an air pre-heater, a flow guiding plate, a variable cross-section air flue, an airflow pressure sensor, a blowing pore plate, an air return pore plate, and flow guiding devices arranged on an inlet of the blowing pore plate and an outlet of the air return pore plate, and the blowing pore plate and the air return pore plate are arranged in the drying room in parallel. According to the energy recycling type edible mushroom drying device, by combining a completely-new air supplying drying mode and a direct return-air self-circulation drying mode with a stairstep-energy-supplying air heating manner and the variable cross-section air flue according to different drying conditions of the edible mushroom, the stable distribution of air in the device is guaranteed, meanwhile, the air supplying temperature is decreased, and the drying quality is guaranteed; air is uniformly processed, and the energy consumption is reduced.
Owner:NANJING NORMAL UNIVERSITY

Plugging agent system for permanently plugging multilayer low-pressure large-tunnel oil reservoir and technology using the same

The invention discloses a plugging agent system for permanently plugging a multilayer low-pressure large-tunnel oil reservoir and a technology using the same, and belongs to the technical field of oil field exploitation. The plugging agent system is a pre-plugging agent-plugging agent combined plugging system. The pre-plugging agent is used for pre-plugging a desired layer so that a liquid absorption section in an oil reservoir vertical direction is improved, a high permeability zone on the plane is plugged and it is guaranteed that the later plugging agent uniformly enters into all oil reservoirs. Through matching with a coagulation accelerator, the plugging agent squeezed into the oil reservoir is fast thickened, is fast stacked and stayed around a shaft and is cured to effectively plug the oil reservoir. Through the pre-plugging-coagulation accelerator coagulating-plugging agent sweeping plugging technology, the technical problem of a low success rate of multilayer low-pressure large-tunnel oil reservoir plugging is solved and the plugging process is finished by one step. Compared with the sectionalized plugging technology, the technology provided by the invention can effectively reduce plugging frequency and greatly reduce a construction cost.
Owner:CHINA PETROLEUM & CHEM CORP +1

Noodle machine with rapid machining

The invention discloses a noodle machine with rapid machining. The noodle machine comprises a base, a stirring cup connected with the base, and an upper cover covering on the stirring cup, wherein the stirring cup is provided with a stirring component and an extruding component; the stirring component comprises a stirring rod; and the extruding component comprises a screw rod and a feeding barrel in match with the screw rod. The noodle machine is characterized by further comprising a rapid flour feeding structure, wherein the rapid flour feeding structure comprises a flour feeding port arranged in the feeding barrel, and a baffle arranged at the flour feeding port and used for baffling materials so as to enable the materials to enter the flour feeding port. By arranging the baffle and the baffle above the dough feeding port, dough can be effectively baffled and cut, so that the dough can rapidly enter the feeding barrel from the dough feeding port so as to be machined and shaped; and the baffle is arranged on the downstream position of the flour feeding port, so that the dough baffled by the baffle can enter the feeding barrel from the feeding port uniformly. The stirring rod is provided with only stirring teeth and dough cutting teeth so as to realize stirring and dough pushing, so that the structure is simple, and noodles are easy to be machined and shaped.
Owner:JOYOUNG CO LTD

High-density aquatic product transporting and breeding device and using method and application thereof

A high-density aquatic product transporting and breeding device comprises a fish tank, a water pump, a water purification system, a constant temperature system and an oxygenating system, wherein a water inlet pipe and a water outlet pipe are arranged in the bottom of the fish tank; the water inlet pipe and the water outlet pipe are connected through a pipeline to form a water circulating loop; and the water pump, the water purification system, the constant temperature system and the oxygenating system are arranged on the pipeline of the water circulating loop, wherein the water purification system comprises a hydraulic cyclone and a filter system or one of the two; the constant temperature system is a dividing wall type heat exchanger, and a heat exchange medium is a low-temperature fluid body or a high-temperature fluid body from a refrigerating unit; a liquid oxygen bottle is arranged on the oxygenating system, and liquid oxygen in the liquid oxygen bottle generates gaseous oxygen through a pressure reducing valve and inputs the gaseous oxygen to the oxygenating system; overflow holes and an overflow trough are formed on the fish tank, so that the content of body fluid proteins and fine impurities in live fish transporting and breeding process can be effectively reduced. The device provided by the invention can be used for transporting and breeding high-density live fishes and increases the quantity of fishes in the fish tank as more as possible on a basis of guarantee of survival fishes, so that the transporting and breeding cost is lowered.
Owner:HUAZHONG AGRI UNIV

Preparation of iron-doped nitrogen-doped nano titanium dioxide powder

The invention discloses a method for preparing iron-doped nitrogen-doped nanometer titanium dioxide powder. The preparation method comprises the steps of preparing titanium tetrachloride raw material to be hydrosol, aging the hydrosol, adding water for dilution, doping water-soluble iron salt, raising temperature to hydrolyze sol and produce precipitate, filtering the precipitate, using water to wash the precipitate, drying the precipitate, obtaining iron-doped nanometer titanium dioxide powder, mixing and then ball-milling nitrogen salt and the iron-doped nanometer titanium dioxide powder, calcining the ball-milled powder, and cooling the powder to obtain the iron-doped nitrogen-doped nanometer titanium dioxide powder. The preparation method combines a chemical method with a physical method so as to allow iron to uniformly enter a crystal lattice structure of titanium dioxide on the one hand, and to uniformly distribute nitrogen in surface layers of nanometer particles, particularly non-crystallization layers on the other hand. The iron-doped nitrogen-doped nanometer titanium dioxide powder can improve the photocatalysis efficiency of titanium dioxide on the one hand, and can expand the photoresponse wavelength of titanium dioxide so as to greatly improve photocatalysis properties.
Owner:ZHEJIANG UNIV OF TECH

A coal rock non-linear permeability coefficient testing device and method

The invention belongs to the technical field of coal mine safety, and relates to a coal rock non-linear permeability coefficient testing device and method. The device includes a coal sample sealer, an inlet end pressure control system, an outlet end pressure control system and a vacuum pipeline system. The coal sample sealer comprises a thermostatic bath and a gas chamber. The gas chamber is disposed in the thermostatic bath. A seal cavity is mounted in the gas chamber. A hollow cylindric steel bar penetrates the middle of the seal cavity. The lower part of the steel bar, which protrudes out of the seal cavity, is adopted as a connection gas outlet end. A bent top cover is hermetically mounted on the seal cavity. The annular surface of the top cover is evenly provided with a plurality of sieve holes. An upper seal check block is disposed on the top cover. The gas chamber has a cylindric structure. The side surface of the gas chamber is provided with a side chamber valve. The inlet end pressure control system and the vacuum pipeline system are connected to the side chamber valve. The outlet end pressure control system is communicated with the connection gas outlet end. A problem that mine gas treatment lacks theoretical directions is overcome. The basis for formulating a reasonable drainage and mining scheme for mines is provided.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Powdery and granular material tank car telescopic charging pipe with positioning guiding function

The invention relates to a powdery and granular material tank car telescopic charging pipe with a positioning guiding function. The charging pipe comprises a charging pipe body; the charging pipe body comprises an outer casing pipe, a middle casing pipe and a conical discharging pipe; the wide end of the conical discharging pipe is connected with the lower end of the middle casing pipe through a deformable lower soft connecting pipe in a sealed manner, and the conical discharging pipe is communicated with the outer casing pipe through a lower soft connecting pipe; a telescopic driving mechanism for driving the middle casing pipe to stretch in and draw out in the outer casing pipe is arranged outside the outer casing pipe, and when the telescopic driving mechanism drives the middle casing pipe to stretch in and draw out in the middle casing pipe, the conical discharging pipe can synchronously move along with the middle casing pipe so as to enable the conical discharging pipe to be away from or close to the outer casing pipe; and when the telescopic driving mechanism drives the middle casing pipe to stretch out of the interior of the outer casing pipe, the narrow end of the conical discharging pipe can stretch into a feeding opening of a tank car. The powdery and granular material tank car telescopic charging pipe is compact in structure, the tank car can be effectively guided to be in place, it can be ensured that the tank car can be rapidly in place, personal safety hidden troubles are removed, the car loading time is shortened, and safety and sanitation of food can be ensured.
Owner:WUXI DADONG GRAIN ENG TECH CO LTD

Intelligent horizontal injection press for plastic basin processing

The invention discloses an intelligent horizonal injection press for plastic basin processing, and relates to the field of horizonal injection presses. The intelligent horizonal injection press for plastic basin processing comprises a base, wherein a tank is arranged on one side of the top part of the base; guide rods are arranged at the top end and the bottom end in the tank; a guide block movably connected with the guide rods is arranged in the tank; a moving die is arranged on one side of the guide block; a hydraulic rod extending to the inner part of the tank is connected to the middle ofone side of the tank in a penetrating way; a first push rod is connected to one side of the hydraulic rod in the tank; one side, far away from the hydraulic rod, of the first push rod is connected with the guide block; and a guide slot is formed in the moving die. According to the intelligent horizonal injection press for plastic basin processing provided by the invention, a support frame is arranged on two sides of the moving die in the tank, a scraper blade is movably connected into the support frame and is connected with a driving belt, and the driving belt drives the scraper blade to movein a reciprocating way so as to scrape redundant materials in a finished product plastic basin when materials are injection-molded and the moving die is retracted, so that the redundant materials of the plastic basin have no need to be treated subsequently.
Owner:衡阳市鸿康纸塑容器包装有限公司

Energy-saving type submerged combustion gasifier

The invention discloses an energy-saving type submerged combustion gasifier. The energy-saving type submerged combustion gasifier comprises an air blower, an air channel, a combustor, a combustion chamber, a flue gas distributor, a water tank, a heat exchange tube bundle, a weir flow box, an alkaline liquid tank, a chimney, a gas-liquid separator and a chimney regulating valve, wherein the flue gas distributor comprises collecting tubes and bubbling tubes; one end of each bubbling tube is connected with each collecting tube; the bubbling tubes are arranged under the heat exchange tube bundle; at least one row of injection holes are formed in the top of each bubbling tube; the weir flow box is supported by a bracket which is fixed at the bottom of the water tank; the heat exchange tube bundle is suspended and supported by a suspension support structure at the top of the weir flow box and is submerged in water bath liquid in the water tank; the gas-liquid separator is mounted in the chimney; a bypass is arranged at the lower part of the chimney and is respectively connected with the combustor and the flue gas distributor through a first branch and a second branch. The energy-saving type submerged combustion gasifier is excellent in heat exchange effect, high in heat efficiency, relatively compact in structure and small in occupied area, is capable of saving energy and cost, and is particularly applicable to LNG receiving stations with moderate and high gasification capacities.
Owner:江苏中圣压力容器装备制造有限公司

Rainwater well with purification and storage functions

The invention relates to a rainwater well with purification and storage functions. The top of an inner well is fixedly connected with a fine screen overturning plate with a floating ball valve; the floating ball valve drives the fine screen overturning plate to rotate; a weir plate is arranged between one side of the well mouth of the inner well and the fine screen overturning plate; a sedimentation groove is formed below the fine screen overturning plate; a filtering net is arranged between an outlet of the sedimentation groove and the weir plate; a water distribution plate with uneven gaps is arranged below the sedimentation groove; biological filler is arranged in a cavity formed by the water distribution plate with the uneven gaps and the bottom of the inner well; an outer well built by water permeable bricks and a reservoir are arranged outside the inner well; channels between the inner well and the outer well are arranged at the two sides of the exterior of the inner well; the reservoir is internally provided with an overflow wall; a drainage pipeline is arranged at one side of the bottom of the reservoir; a rainwater well coarse screen is arranged at the top of the outer well. At the initial period, rain falls into the sedimentation groove in the upper portion of the inner well, the water level rises to drive a floating ball to rise to make the fine screen overturning plate closed, during long-time rainfall, rainwater directly flows into the reservoir through the channels between the inner well and the outer well and is mixed with treated rainwater at the initial period, and mixed rainwater flows into the reservoir for storage.
Owner:SHENYANG JIANZHU UNIVERSITY

Overhead type rectangular wet electric precipitator

The invention provides an overhead type rectangular wet electric precipitator. The main body section of the electric precipitator is of a rectangular cylindrical structure and comprises a spray washing system, an anode module, a cathode module, a spray humidification system and a uniform distribution device; the electric precipitator is also provided with a shell self-supporting structure which comprises an inner column, an outer column, a main truss, an auxiliary truss and an annular truss; the inner column provided with the main truss is adhered to the outer wall of an absorption tower, and the top end of the main truss is used for supporting the wet electric precipitator; the main truss and the auxiliary truss are spaced from each other and are connected mutually to transfer load; the top end of the outer column provided with the auxiliary truss is used for supporting the wet electric precipitator; the annular truss is attached to the outer wall of the absorption tower; the inner column is arranged on the annular truss. Uniform partition in the precipitator can be realized, the cathode system and the anode system are produced in a modularized manner; the self-supporting structure does not need to occupy land and has no influence on the mounting and the overhauling of the original absorption tower; the effective dust collection area is increased, and the dust removal efficiency is improved.
Owner:SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
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