369 results about "Plate column" patented technology

The invention provides a moderately processed vegetable oil and a preparation method thereof. The preparation method comprises the following steps: carrying out degumming twice (first deep degumming and then combining the secondary degumming) to realize efficient degumming and remove high boiling impurities as many as possible, so as to carry out alkali refining and neutralization at low temperature; then pre-decoloring with waste clay used for recycling, adding clay, decoloring under vacuum condition, and removing residual soap, phosphorus, pigment, metal, and the like; and finally carrying out combined deodorization of the plate column and the packed column, carrying out thermal decoloration, and removing fatty acid and micro-molecular stinking material, so as to reduce the generation of trans fatty acid, reduce the loss of vitamin E, save energy, reduce consumption, and improve the oil quality. According to the invention, vegetable oil products with low content of trans fatty acid (less than 1.0 %) and low loss rate of vitamin E can be produced.

The invention discloses a single-arm rotary parking device which comprises a lifting system, a car loading platform, a rotating system and a base. The rotating system is fixed on the base. The lifting system is disposed on the rotating system. The car loading system is disposed on the lifting system. The rotating system mainly comprises a rotating motor, a rotating case, a drive gear, a drive spindle and a drive cylinder sleeve. The lifting system mainly comprises a lifting column, a lifting motor, a lifting motor seat, a lifting chain, a lifting sprocket and a locking mechanism. The car loading platform mainly comprises a car loading plate, a platform plate column, a platform plate column front guide pulley, a platform plate column rear support guide pulley, and a platform plate column left guide pulley and a platform plate column right guide pulley.

The invention discloses a laboratory COD automatic analysis robot, which comprises a main machine body, a sample column, a heating position, a backflow device, a cooling position, a titration position, a mechanical arm and a liquid adding system, wherein the sample column, the heating position, the backflow device, the cooling position, the titration position, the mechanical arm and the liquid adding system are arranged on the main machine body; the bottom of the main machine body is provided with the sample column; the heating position used for heating a sample cup is arranged at the outer side of the sample column used for containing the sample cup. The laboratory COD automatic analysis robot has the beneficial effects that the device can complete the mass measurement of the COD of a plurality of samples in each time; after the detection result of the first sample is obtained, one datum is obtained every about 10 minutes; the detection efficiency is greatly improved; unattended operation is realized in the whole process; the testing flow process of each sample has consistency; the testing time of parallel sample is completely identical; the artificial interface factor is avoided;the testing result has relatively good reproducibility; the precision degree and the accuracy degree are higher.

A downcomer for a plate column, which is largely centrally symmetrically formed with respect to an axis pointing in the column direction, having: a) a run-out aperture which is located within an overflow weir and which contains at least one of: deflection elements, and elements on the overflow weir, for an inflowing liquid / gas mixture for the development of a circular flow; b) a passage part which leads downward; and (c) a cup which is provided at the lower end of the passage part for accumulating the liquid flowing away. The cup contains a plurality of apertures which are designed and arranged in such a manner that a largely uniform distribution of the liquid flowing away results.

A triple-effect distillation and recovery method for wet synthetic leather dimethylformamide(DMF) solution includes: feeding, preheating, condensing and separating it by a concentration tower and a distillation tower to output it to complete the recovery process, in which, low-pressured steam is the heating media, using decompressed concentration for step I, atmospheric concentration for level II and vacuum distillation, the decompressed concentration processes in the packing tower, atmospheric concentration processes in the plate column, decompressed concentration processes in the combined packing and plate column. In the described cycle process, energy can be recycled between the steam in the top, heating at the bottom, feed preheating, preheating of finished condensation, distillation, reboilling processes.

The invention discloses a method for reinforcing integral replacement concrete of a high-rising building steel bar concrete column, and aims to solve the problem that unqualified steel bar concrete frame column can not be effectively treated by the prior replacing concrete reinforcing method under a condition that the frame concrete columns endure huge load. The method comprises the following steps: mounting an unloading support on the beam end on the periphery of a replaced column; dividing the replaced column into a plurality of parts; manually removing concrete and mounting a profile steel support in sequence; welding a batten plate on the profile steel support to form a structural batten plate column; building concrete on the position of the original replaced column; and detaching the unloading support on the edge of the column. The method can perform integral replacement on the unqualified column of the high-rise building, has small economic loss without affecting the appearance and use functions of the building, need not stop construction for the upper building during construction, and can not cause adverse affect on commercial housing and disturb the selling of the commercial housing.

The invention relates to a smart express cabinet and a using method thereof. The express cabinet comprises a cabinet body, trays, inserting plate columns arranged inside the cabinet body and used forsupporting the trays, a mechanical hand moving device, a scanning device and a main control machine. The cabinet body is of a regular prismatic structure and is internally provided with a cavity. Oneside of the cabinet body serves as a cabinet door, and the cabinet door is provided with an article access port. The inserting plate columns are located between two adjacent side faces of the cabinetbody, and the opposite side faces of two adjacent inserting plate columns are provided with evenly-distributed horizontal grooves respectively. The trays are inserted into the horizontal grooves and are perpendicular to the side of the cabinet body, and a plurality of height-adjustable storage compartments are formed by changing the insertion positions of the trays to provide physical storage locations for stored articles. The mechanical hand moving device is connected with a main control computer and used to move the trays. The scanning device is mounted at the position of the article accessport and used to obtain specifications of a stored article. The smart express cabinet achieves full-automatic processing after express articles enter the express cabinet without manual intervention ofthe storage location, and a storage space is automatically adjusted and optimized.

The invention discloses a side wall structure for a hopper car. The side wall structure comprises an integrally formed upper side beam (1), an integrated side wall plate (2), an integrally formed lower side beam (3) and a lower side wall (4). The upper side beam (1) and the integrated side wall plate (2) below are riveted. The side wall plate (2) and the integrally formed lower side beam (3) below are riveted. The side wall plate is in a wall plate and side column integrated plate-column structure, and the side columns are arranged on the inner side of the car body. The lower side beam (3) and the lower side wall (4) below are riveted. According to the side wall structure, by means of the integrated side wall plate with the built-in side columns, both the strength reduction due to rivet holes and the increased weight and cost due to the usage of rivets are prevented, the side columns are arranged inside, so that space among the side columns is used, and the car body volume is increased.

The present invention relates to air conditioning apparatus, and is especially one environment protecting and energy saving central air conditioner capable of providing fresh air to indoor. The central air conditioner includes casing; blower, heat exchanger, water showering unit and water supply system inside the casing; wind disturbing wet air strainer, pre-cooling indirectly evaporating cooling plate-column heater exchanger with exhaust blower, indirectly evaporating cooling plate-column heater exchanger with air flow channel connected to that of and air flow mixing channel separated from that of the pre-cooling one, directly evaporating cooling plate-column heater exchanger with water blocking board unit, and blower inside a sealed blower chamber and with air exhausting channel to indoor. The present invention has great enthalpy difference between the blown in air and the blown out air, unchanged wind rate, small volume, high heat exchange efficiency, high air quality and great moistening amount.

The invention relates to a relay protection secondary pressure plate device for an electric power system. The relay protection secondary pressure plate device mainly comprises a pressure plate connecting column and a pressure plate column which are adjacently arranged, and a pressure plate main body formed by pressure plates connected between the pressure plate connecting column and the pressure plate column, wherein the pressure plate main body is placed on a pressure plate seat, a pressure plate cover body for covering the pressure plate main body is matched on the pressure plate seat, and an anti-malfunction locking body matched with a lock catch arranged on the pressure plate seat is arranged on the pressure plate cover body; an anti-malfunction locking code pairing frame with a lock code plate is arranged at the upper part of the pressure plate cover body, and an anti-malfunction locking head matched with the anti-malfunction locking body is arranged at one side of the pressure plate cover body; and the invention has simple structure and convenient and reliable use, can effectively prevent the incorrect manipulation accident of the secondary pressure plate in the electric power system, solves the problem the electric power system only has primary equipment for anti-malfunction and does not take reliable secondary anti-malfunction measures for long term, extends the application field of the anti-misoperation system of the microcomputer, improves the investment efficiency and especially provides assurance for safe operation of the electric network.

The invention discloses a loading vehicle used for mining excavation equipment, which comprises an equipment fixing platform, supporting legs and a fixing platform. The equipment fixing platform is provided with a groove, and a sliding column is fixed inside the groove, and a limiting Position tube, the upper end of the limit tube is fixed with a connection fixing plate, the fixed connection plate is connected with the equipment fixing plate through the supporting column, the lower end of the fixing table is fixed on the base through the fixing column, and a threaded tube is arranged at the center of the upper end of the base, and the threaded tube The upper side is provided with a second gear, the right side of the second gear is connected to the first gear through a chain, the lower end of the first gear is fixed on the output shaft of the motor, the upper end of the threaded pipe is internally threaded with a threaded rod, and the lower end of the base is provided with a braking device. There are four supporting legs, and they are distributed on the four corners of the base. The invention is used for the loading vehicle of the mining excavation equipment, and the mining excavation equipment can realize rotation, left and right movement adjustment, inclination angle adjustment and movement, and solves the problem of instability during operation.

The invention provides an earthquake prevention reinforced communication tower comprising a base, a tower body, a flange plate, antenna derricks, a lightning rod, a first earthquake prevention mechanism, a second earthquake prevention mechanism and tower body connecting rods. The base is overall of a structure of a closed square body, the closed square body is internally provided with a pluralityof supporting boards distributed in a shape like a Chinese character 'jing', the supporting boards partition the interior of the closed square body into a plurality of base spaces, and the base spacesare internally provided with cushion blocks; the first earthquake prevention mechanism comprises a supporting seat, supporting bars and supporting springs; the second earthquake prevention mechanismcomprises a supporting plate, supporting inclined rods, vertical columns, buffering arc springs, buffering straight springs and inclined rod springs; the supporting plate is connected with the tower body in a sleeving mode, and the lower end face of the supporting plate is fixed to the upper end faces of the vertical columns; and the tower body is vertically and fixedly connected with the supporting seat through the flange plate. The multiple earthquake prevention measures are adopted so that when an earthquake occurs or the tower encounters strong wind, the acting force borne by the tower body can be blocked or reduced obviously, the earthquake-proof capacity of the tower body is improved, and accordingly the reliable performance of the tower body is improved.

The invention provides a sealing connection method used for longitudinal lines of porous ceramic plates, comprising the steps as follows: normal ceramics is used as raw material; a porous ceramic plate biscuit with the substrate of normal ceramic is prepared by a vacuum extrusion method; subsequently, the surface of the porous ceramic biscuit is covered by black porcelain slurry and sintered to be a black porcelain composite porous ceramic plate; alternatively, the normal ceramics raw material is mixed with the black porcelain raw material to prepare the wholly black porous ceramic plate; ceramic material, inorganic material, organic material and metal material are used for preparing a U-shaped connection interface, a U-shaped transitional connection interface and a collecting port which are combined into the longitudinal lines of the porous ceramic plates by a sealing adhesive; the fluid in a passage is sealed by the sealing adhesive in the three groups of parallel surfaces in U-shape so as to lead all parts to form convenient, economical and reliable sealing and connection; and the longitudinal lines of the porous ceramic plate can be used for collecting solar energy, far-infrared radiation and heat dissipation of building heating.

The invention relates to a built-in converter transformer core pulling plate column ring-current bypass structure, in particular to a large-capacity converter transformer core pulling plate column ring-current bypass structure, and belongs to the technical field of transformer manufacturing. According to the technical scheme, the structure comprises a clamping piece (1), a pull plate (2), a copper compensation ring (3) and a core-lamination stack (4), the copper compensation ring (3) is arranged on the surface of the core-lamination stack (4), a short circuit loop is formed along an iron core window, and the copper compensation ring (3) is clamped and fixed to the pull plate (2) through the clamping piece (1). The built-in converter transformer core pulling plate column ring-current bypass structure has the advantages that the energy consumption of the pull plate is reduced on the premise that the structure and strength of the pull plate are not changed, eddy-current loss on iron core last-stage iron is greatly reduced, the space is saved, the structure is simple, and overall arrangement is reasonable.

The invention discloses a plate-column structure node of a profile steel column. The plate-column structure node comprises the profile steel column, a prefabricated column cap or support plate, a floor prefabricated component and a connecting combined surface thereof, a reinforcement and post-pouring connecting concrete; at least one anti-shear ring welded at the outer periphery of the profile steel column and an annular beam type reinforcement skeleton are arranged on the outer surface of the profile steel column; the annular beam type reinforcement skeleton consists of four and more annular reinforcements and stirrups perpendicular to the annular reinforcements and arranged in the radial direction; the annular reinforcements are bound with the angles and the edges of the stirrups in the stirrups to form an annular beam type reinforcement cage; and the stirrups of the annular beam type reinforcement skeleton are near the upper surfaces from near the bottoms of column caps or support plates to cast-in-place layers of floors. The invention further discloses a column cap prefabricated component and a construction method. The plate-column structure node of the profile steel column and the column cap prefabricated component and the construction method thereof can realize the assembly construction of a plate-column structure of the profile steel column, and are low in construction difficult, few in support, low in cost and high in efficiency.

The invention relates to a device and method for testing the progressive collapse performances of a concrete plate-column structure. The progressive collapse of the structure is the progressive collapse, caused by a local damage failure caused by an incidental load, of a member connected with a failure damaged member, and finally may cause the overall collapse of a building structure or the collapse damage in a larger range relative to the initial local damage, thereby causing a large number of casualties and a great deal of financial loss. Therefore, the design of the progressive collapse performance of the structure is important. The device and method are used for carrying out the testing of the progressive collapse performances of the plate-column structure, and carry out the research of the distribution conditions of internal forces when the plate-column structure is caused by the accidental load to be partially invalid. The device and method carries out the design of the progressive collapse of the plate-column structure based on the internal force redistribution, and guarantees that the plate-column structure has the capability of resisting the progressive collapse under certain safety and reliability conditions.

The invention discloses an electric flocculation device for industrialized microalgae separation and collection, which comprises a mechanical transmission system, a column body, a plurality of sieve plates, and an auxiliary device; a connecting rod system in the mechanical transmission system drives the sieve plates in the column body to vibrate together up and down; the invention is characterized in that the connecting rod system comprises two main shafts; the material of the main shaft is a conductive metal material, and the two main shafts are connected to an anode and a cathode of a DC power supply respectively; the plurality of sieve plates is serially sleeved on the two main shafts; the contact parts of the two main shafts and the sieve plates are coated with insulating layers with each layer being left-right interlaced orderly, therefore the sieve plates are in a state of anode-cathode interlaced distribution in the column body. The device uses sieve plates of a vibrating sieve-plate column as the anodes and the cathodes for electric flocculation; the anodes and the cathodes are distributed interlacedly; the electric flocculation efficiency is high; the sieve plates are in a vibration state; deposition and adsorption of microalgae body on electrode surfaces are effectively prevented; and the invention is applicable to large-scale industrial production.

The present invention relates to an improved device and method for preparing hydrogen peroxide having a concentrate of 35% by low purity hydrogen gas having a concentrate of 90%, which is characterized in that the empty oxidation tower is changed into a sieve plate column provided with 2~5 distribution boards therein, wherein the distribution board comprises four pieces of dismounting type small sieve plates and is fixed on the intermediate beam, and sieve pores having a diameter of 3~10 mm and a percentage of open area of 30~40% are equably arranged on the distribution board in a prismatic array; each sieve plate is provided with 4~6 downcomers in the extraction column in prior art, which is changed into that each of the upper fourteen sieve plates is provided with one downcomer while each of the lower forty sieve plates is provided with two downcomers, and the topside of the column is filled with 1500~2000 mm ripple packing, and the distance between the packing and the topside sieve plate is 400 mm, and the process conditions are optimized so that the oxidation efficiency is improved from 5.7 g / l to 6.1~6.3 g / l, the oxidation yield is more than 95%, the surplus extraction rate is decreased from 0.3 g / l to0.1 g / l, the device can be used for directly producing H2O2 with a concentration of 35% from residual source of hydrogen of the 95% low purity synthetic ammonia or urea device. The device and the technology method are adapted to the hydrogen peroxide device of the present matching synthetic ammonia or urea device to produce H2O2 with a concentration of 35%.

The invention discloses a combined type deacidification and deodorization tower suitable for deodorizing edible oil in an oil industry. The combined type deacidification and deodorization tower comprises four parts in all from top to bottom; the combined type deacidification and deodorization tower particularly comprises a filler type fatty acid collecting section, a filler previous-deodorization section, a drum membrane deodorization section and a mammoth pump deodorization and decolouration section which are sequentially connected together hermetically and fixedly from top to bottom, wherein the mammoth pump deodorization and decolouration section is position at a bottom. The combined type deacidification and deodorization tower disclosed by the invention can be suitable for different types of oil by combining with the advantages of the traditional towers, such as a plate column, a filled tower and a tray tower, and has the outstanding characteristics of high deodorization capacity, steam saving (about 40% of the air consumption of an original plate tower) and low content of trans-fatty acids (a main oil index, the less content, the better, the substance is easy to generate under the condition of high temperature).

The invention belongs to the field of captive balloons and relates to a hub motor type anchoring vehicle which comprises a chassis (1), a rotary support (22) arranged on the chassis (1), a rotary platform (2) arranged on the rotary support (22), a retrieval and release system (4), a mooring system (5) and a bracket command chamber (6). The retrieval and release system (4), the mooring system (5) and the bracket command chamber (6) are arranged on the rotary platform (2). Through optimal design of an anchoring vehicle moving system, maneuverability of the whole system is improved. By adopting atraveling device with a hub motor and a steering device with a steering motor, turning and moving of the anchoring vehicle in any direction are realized, a wind following function of the system is improved; structural form of a mooring tower is improved, structural efficiency is improved by adopting a plate-column structure, and convenience is brought to automatic retracting and releasing. The hub motor type anchoring vehicle is high in maneuverability and flexible in release and arrangement and can be widely used for release and retrieval of small-and-medium captive balloons.

During a tray column wet flue gas desulphurization process, gas and liquid between column trays do not directly contact each other, and a moisture content of flue gas is relatively high. Aiming at the characteristics, the invention provides a method and an apparatus used for promoting PM2.5 removing. The method and the apparatus are provided based on a heterogeneous condensation principle. The apparatus is composed of a deduster, a tray column, and steam-jet nozzles arranged between the column trays of the tray column. The method comprises steps that: an appropriate amount of normal-pressure saturated steam is injected between the column trays, and an inlet gas-liquid temperature difference of the column is regulated in auxiliary, such that the flue gas is saturated between the column trays and during the contact process with a desulphurization solution on the column trays; the super-saturated vapor is subject to nucleation condensation with PM2.5 as condensation nuclei, and diffusiophoresis and thermophoresis effects are generated, such that the granularity and the mass of PM2.5 are increased; and PM2.5 is collected by the desulphurization solution on the column trays with high efficiency. The technology provided by the invention is simple. When an appropriate amount of steam is added between the column trays, and the inlet gas-liquid temperature difference of the column is regulated in auxiliary, the tray column wet flue gas desulphurization apparatus can be provided with a function for increasing the PM2.5 granularity and for removing PM2.5.