365 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 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 relates to the technical field of performance stages, in particular to an elevating fountain stage, which comprises a fixed stage, a turbine pit, a supporting plate and a driving mechanism, wherein the supporting plate is provided with a through hole; an elevating stage is arranged right above the supporting plate; the driving mechanism is used for driving the elevating stage to move up and down; the lower surface of the elevating stage is provided with a hollow guide post; a water current channel is formed inside the elevating stage; the turbine pit is provided with a first water pump and a flexible water pipe; the supporting plate is provided with a plurality of spray nozzles and a second water pump; the plurality of spray nozzles are annularly and uniformly distributed on the hollow guide post; and the water outlet of the second water pump is communicated with the water inlets of the plurality of spray nozzles. Dancers standing on the elevating stage for performance seem like being supported by a water column which is sprayed upwards, so that the interestingness and appreciation of stage performance are enhanced greatly, dynamic impression formed by dynamic stage change is enhanced, practicability is high and appreciation value is high.

The invention discloses a worktable capable of adjusting lifting, and relates to the field of mechanical devices. The worktable comprises a base assembly, a lifting mechanism, springs and a table assembly, wherein the base assembly comprises a bottom plate, a transmission box and sliding guide plate columns, the transmission box is fixedly arranged at the center of the bottom plate, the number ofthe sliding guide columns is two, the lifting mechanism comprises a motor and an internal threaded loop bar, the motor is fixedly arranged on a side end of the transmission box, the output shaft of the motor is transmittedly connected to the side end of the transmission box, the output shaft end of the motor is fixedly provided with a driving bevel gear, the internal threaded loop bar is rotatablyconnected with the bottom plate and the transmission box, the internal threaded loop bar is fixedly provided with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, a screw rod is threadedly connected with the internal threaded loop bar, the number of the springs is ten, the table assembly is fixedly connected with the springs, and is slidably connected with the sliding guide plate columns, and the screw rod is rotatably connected with the table assembly; the worktable capable of adjusting lifting can be electrically and automatically lifted, thereby improving the practical applicability of the worktable.

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 relates to an injection column plate of a large liquid capacity. Injection unit structure of the column plate is described as the following: the column plate being equipped with regularly arranged ascending-pipe, which is equipped with injection cover, and a slot between the ascending-pipe and the injection cover, the injection cover which has an injecting hole in it, being equipped with a gas-liquid separation plate on the top. Compared with the common float valve plate and sieve-plate column, the injection column plate is easy to adjustment and control, and it can perfectly satisfy the technical requirement of distillation. And by adjusting the liquid capacity of the column plate, the reaction time can be controlled. When the column space is the custom 600mm, the height of supernatant layer on the column plate can be adjusted randomly at a range of 20- 400mm to satisfy the requirement of liquid capacity.

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 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.

The invention provides an ultrasonic comprehensive factor graph identification detecting method of sleeve grouting fullness. A 'spectral model difference' calculation method of 'distortion coefficient' characterizing the distortion degree of waveform is first proposed as a quantized acoustic parameter characterizing the distortion degree of waveform. The invention also provides a 'comprehensive factor calculation method' and a grouting fullness determination method of 'comprehensive factor graph identification method'. The method adopts a defect recognition idea and a judgment idea completelydifferent from the conventional probability method and achieves the technical index requirement of the sleeve grouting fullness detection on the premise that the detection cost is not improved and thedetection efficiency is not affected. For internal defect detection of other concrete structures, especially for the component part with complicated beam plate column nodes and the component with extremely concentrated inner reinforcing steel bars, preferable test results are also shown; the method has important significance in promoting large-scale development of industrial buildings, engineering quality guaranteeing and using safety; and technical basis and equipment support are also provided for engineering construction and standard formulation.