23 results about "Plate column" patented technology

The utility model relates to the technical field of coal gasification high-pressure flash tanks, in particular to a coal gasification high-pressure flash tank which comprises a tank body, a first water inlet, a second water inlet, a flushing pipe, a liquid outlet, a steam outlet, a plurality of tongue-shaped tower plates, a plurality of sieve plate type tower plates, a plurality of connecting plates, swirl vanes, a plurality of downcomers and baffle plates, according to the high-pressure flash tank, the problems that in the flash evaporation process of an existing high-pressure flash tank, scaling is prone to occurring in an S-shaped baffle plate, a guide plate is prone to being damaged, and flash evaporation steam carries dust and liquid seriously are solved, the baffle plate is not prone to being blocked when the high-pressure flash tank carries out flash evaporation, the phenomenon that the flash evaporation steam carries the dust and the liquid is reduced, and the flash evaporation efficiency is greatly improved.

The application discloses a novel high-efficiency large-flux three-dimensional mass transfer tray and relates to the technical field of mass transfer separation towers, comprising a horizontal plate and a three-dimensional cap, wherein a plurality of air holes are formed in the lower part of each cap as gas inlets; the three-dimensional cap is divided into upper and lower two parts of a lifting section and a shunt section; the bottom of the wall surface of the lifting section is provided with a liquid hole as a channel for liquid to enter the three-dimensional cap; and the shunt section is provided with a stepped baffle structure. The novel high-efficiency large-flux three-dimensional mass transfer tray can strengthen gas-liquid mixing and effectively control entrainment of mist, and will help to simultaneously realize high efficiency and large flux of the plate tower.

The utility model discloses a plate-type tower plate with a convenient dismounting device, and relates to the field of plate-type towers of chemical production equipment. The screening tower plate mechanism is arranged in the tower body of the plate tower, and the screening tower plate mechanism is used for enabling gas to penetrate through the holes to be in uniform and efficient contact with liquid; according to the utility model, the four groups of first sliding plates and second sliding plates are driven to synchronously slide through the electric telescopic rod of the tower plate quick assembling and disassembling mechanism, and the inner supporting plate is driven to radially expand or contract, so that quick assembling and disassembling of the screening tower plate mechanism are realized; meanwhile, when the inner supporting plate is expanded, multipoint uniform supporting is formed through limiting cooperation of sliding grooves in the two sides of a straight sliding groove and sliding blocks, looseness or deformation caused by uneven stress on one side is avoided, reliability and impact resistance of mechanical locking are ensured, the disassembly and assembly efficiency and fixing stability are greatly improved, and the inner supporting plate is suitable for frequent maintenance or high-load industrial scenes.

The utility model relates to extruding granulator technical field discloses a kind of efficient composite double-step extruding granulators for cable sheath preparation, including support base, the top right side of support base is fixedly connected with support, the top of support is fixedly connected with direct current motor one, the left side of support top is fixedly connected with stirring drum one, the outer wall top of stirring drum one is communicated with heating sleeve, the left end of stirring drum one is communicated with mixing cylinder, the output end of stirring drum one is fixedly connected with auger and is penetrated through stirring drum one, and the top middle part of mixing cylinder is fixedly connected with servo motor. In the utility model, by conical filter screen, impurities and unsolved raw materials are removed, the servo motor is started, the hole scraping plate column rotates, impurities are thrown out of mixing cylinder, at the same time, stirring paddle rotates, to the raw material after mixing filtration and newly added raw material, to ensure that product mixes evenly, without mixing phenomenon.

The utility model relates to ammonia gas absorption technical field discloses high -efficient ammonia gas absorption device of plate type tower structure replacement padding layer, including padding absorption tower, the outside front side fixed connection of padding absorption tower has waste gas entrance, the outside right side fixed connection of padding absorption tower has the water tank, the outside back fixed connection of water tank has the pump body, the output fixed connection of pump body has the water pipe no.

This application provides a sieve tray distillation column for hydrazine hydrate purification, comprising a column body, a reboiler, a condenser, and a multi-layer tray assembly arranged in parallel within the column body. The tray assembly includes an upper tray and a lower tray arranged in parallel. The upper tray has several upper overflow holes, and the lower tray has several lower overflow holes directly opposite the upper overflow holes. Each lower overflow hole has a cap, and the sidewall of the cap has vent holes. This sieve tray distillation column for hydrazine hydrate purification uses a tray assembly instead of a traditional single tray. The liquid phase falls from the upper overflow holes of the upper tray onto the caps of the lower tray, forming a liquid film. The gas phase passes through the caps from the lower overflow holes of the lower tray and comes into full contact with the liquid film. The contact time and area between the liquid and gas phases are significantly greater than the contact area between the liquid and gas phases in existing sieve tray distillation columns, thereby improving purification efficiency.

The invention relates to the technical field of production of dimethyl maleate, and discloses a device and a method for preparing dimethyl maleate. Comprising the following steps: (1) introducing a first raw material containing first liquid methanol and maleic anhydride into a plate tower reactor for first reaction to obtain a first liquid-phase product; in the process system of the first reaction, the molar ratio of the cyclically refluxed methanol to the first liquid methanol is (0.2-0.5): 1; (2) introducing second liquid methanol and the first liquid-phase product into a catalytic distillation tower reactor containing a catalyst, and carrying out a second reaction to obtain a second liquid-phase product; controlling the water content in a gas phase in a catalytic distillation tower in a reaction system in which the second reaction is carried out to be not higher than 30wt% through methanol steam stripping; and (3) carrying out refining treatment on the second liquid phase product to obtain dimethyl maleate. The purity of the dimethyl maleate product obtained in one pass by the method provided by the invention can reach 99% or above.

The invention discloses a teaching plate tower fluid mechanics demonstration experiment device in the field of chemical reaction equipment. The teaching plate tower fluid mechanics demonstration experiment device comprises a cylinder body, a tower tray supporting piece, a tower tray, a pipeline, a fan, a water pump and a reducing flange, the tower tray supporting piece is fixedly mounted in the inner wall of the cylinder body and comprises an overflow weir, a downflow plate, a liquid sealing disc, a supporting ring, a supporting plate, a supporting rib plate and a liquid receiving disc; the tower tray comprises a cap hood and a tower tray plate; the cap hood consists of a separating plate, a spraying plate, an end plate and a rib plate; according to the invention, visual demonstration of the hydromechanics phenomenon is realized; a clear and stable liquid flow path is constructed by components such as an internal overflow weir and a downflow plate; due to the unique lateral spraying cap hood structure, gas-liquid mixing is enhanced, the mass transfer efficiency is remarkably improved, and entrainment is effectively restrained; the system not only supports the replacement of key parts and the online regulation and control of parameters, but also enables students to observe typical mass transfer details in real time, and greatly enhances the intuition, flexibility and scientific research value of teaching.

The application discloses a solar energy driving carbon-based raw material gasification column plate type reactor and relates to the technical field of solar energy thermochemical gasification, which comprises a reactor and a heat storage circulating device, a plurality of heat storage cavities and a plurality of gasification cavities are alternately arranged in the reactor, the heat storage cavities and the gasification cavities are connected through column plates, the heat storage circulating device is connected with a solar energy collecting device, the heat storage circulating device is penetrated through the outer wall of the reactor through flow guide pipes at two ends and is connected with two ends of the heat storage cavities, one end of the gasification cavity is provided with a synthetic gas outlet, and the other end is provided with a gasification agent inlet. The solar energy collecting device and the heat storage circulating device are used to realize uniform temperature distribution in the reactor; the column plates are arranged to effectively reduce the radial temperature gradient of the reactor and increase the reaction rate.

The present application relates to natural gas dehydration technical field, specifically to a kind of composite flow channel plate column for natural gas deep dehydration, including tower body, the lower part of tower body is connected with wet gas import, the top of tower body is connected with dry gas outlet and dehydration liquid import, and the bottom of tower body is connected with waste liquid outlet;Tower body is provided with fine dehydration structure, plate dehydration structure, condensing structure and cyclone dehydration structure from top to bottom in it;Fine dehydration structure is located between dry gas outlet and dehydration liquid import, and supply temperature structure is arranged at fine dehydration structure;Cyclone dehydration structure is set as cyclone cylinder, and water vapor condensation beads are separated by mist dehydration liquid centrifugation;Condensing structure includes condensing pipe, carries out condensation dehydration, and plate dehydration structure includes hole plate obliquely arranged in tower body, increases the contact area of natural gas and dehydration liquid;Fine dehydration structure utilizes adjacent hydrophilic plate to form tower body space, for absorbing smaller water molecule.The present application solves the problem that deep dehydration cannot be realized while reducing regeneration energy consumption in natural gas dehydration.

The invention is applicable to the field of natural gas decarburization equipment, and provides a plate tower for natural gas decarburization and an energy-saving control method thereof.The plate tower comprises a tower body, and a solution outlet and a gas outlet are formed in the top and the bottom of the tower body respectively; a solution inlet and a gas inlet are respectively formed in the side parts of the top end and the bottom of the tower body; a plurality of layers of tower plate assemblies are uniformly and vertically distributed in the tower body; the tower plate assembly comprises rafts mounted on the inner wall of the tower body, and a liquid accumulation cavity is formed between every two adjacent rafts; a downcomer is arranged on the raft plate; an overflow weir higher than the raft plate is arranged at the top of the downcomer; valve plates are uniformly distributed on the raft plate; a downcomer valve which can be controlled to be opened and closed is mounted at the bottom of the downcomer; and a liquid storage disc capable of storing a solution is arranged on the raft plate. In this way, the overall operation economical efficiency and environment friendliness can be met; the problems that an existing decarburization tower is high in energy consumption in the starting process, low in solution utilization rate and incapable of meeting the green energy requirement are solved.

The utility model discloses an easy-to-disassemble portable house, belongs to the technical field of easy-to-disassemble portable houses, and solves the problem that the portable house is inconvenient to disassemble. Comprising a floor body, multiple sets of clamping grooves are formed in the upper surface of the floor body, the outer surfaces of the clamping grooves are slidably connected with disassembling and assembling mechanisms, the outer surfaces are in threaded connection with adjusting mechanisms, the disassembling and assembling mechanisms comprise limiting columns slidably connected to the outer surfaces of the clamping grooves, and the outer surfaces of the limiting columns are fixedly connected with supporting columns; the outer surface of the supporting column is slidably connected with a clamping plate column. By means of the sliding connection mode of the clamping grooves and the limiting columns and the adjusting mechanism in threaded connection, complex tools are not needed during disassembly, operation is easy and convenient, the disassembly and assembly process is rapid and efficient through the design of the limiting rods, the clamping plates, the binding ropes and other components, the labor cost and the time cost are greatly saved, and turnover use of the portable house is facilitated.

A concrete-filled steel tube column according to one embodiment comprises: a polygonal plate column in which an internal space into which concrete is poured is formed; a center member provided in the internal space in the longitudinal direction of the plate column; and a reinforcing steel bar fixing member provided between the plate column and the center member, a plurality of reinforcing steel bars being disposed in the internal space adjacent to corners of the plate column, the reinforcing steel bar fixing member being formed in an octagon, and at least two sides of the reinforcing steel bar fixing part are fixed to the central part to fix the positions of the plurality of reinforcing steel bars.

The utility model discloses an automatic cleaning device of cross flow plate tower, including the cylindrical barrel, the hollow transmission shaft is arranged in the cylindrical barrel vertically, is provided with the drive arrangement on the hollow transmission shaft upper end, the hollow transmission shaft lower extreme detachably is provided with the hollow stirring shaft, and the hollow stirring shaft sets up a plurality of rotary cleaning mechanisms from top to bottom in proper order, and each rotary cleaning mechanism includes a plurality of cleaning spray pipes, and the cleaning spray pipe includes first branch pipe and second branch pipe, and first branch pipe and second branch pipe staggered setting are set up with a plurality of first cleaning liquid injection through -hole on first branch pipe, and are set up with a plurality of second cleaning liquid injection through -hole on second branch pipe, the drive arrangement drives the rotation of hollow transmission shaft, and the hollow stirring shaft is linked with hollow transmission shaft, and the hollow stirring shaft drives first branch pipe and second branch pipe rotation simultaneously. The above technical scheme, the structure design is reasonable, simple structure, and the cleaning work efficiency is high, and the maintenance is convenient, and the stability is good and the practicality is good.

The invention relates to a method for producing diisocyanates and polyisocyanates of the diphenylmethane series, in which (i) a liquid product stream obtained in phosgenation, (ii) a reaction mixture present in an optionally present reactor for the cleavage of carbamoyl chloride, and (ii) a reaction mixture present in the reactor for the cleavage of carbamoyl chloride, (iii) the liquid product stream exiting the optionally present reactor for carbamoyl chloride cleavage, (iv) the reaction mixture present in dephosgenation or (v) the liquid product stream obtained in dephosgenation, is subjected to a single stage treatment with a gaseous hydrogen chloride stream in a bubble column or in a plate column for a contact time of from 1 minute to less than 30 minutes. The product stream treated in this way or the reaction mixture treated in this way is supplied directly (i.e., in particular without further treatment with inert gases) to the subsequent step or post-treatment of the reaction.

The utility model discloses an assembly type modularized toilet which comprises a prefabricated concrete bottom plate, inserting grooves are evenly formed in the upper surface of the prefabricated concrete bottom plate, plate-shaped stand columns are evenly connected to the inserting grooves of the prefabricated concrete bottom plate in an inserted mode, and a prefabricated concrete structure is arranged on the upper surface of a prefabricated concrete vertical plate. The side wall of the prefabricated concrete structure is connected with the plate-shaped stand column in an inserted mode. The shape of a groove of the prefabricated concrete bottom plate is increased, the modular installation position is heightened, the waterproof effect is improved through integrated arrangement, a square cylinder is fixed to the surface of a single prefabricated concrete vertical plate according to the position of a pipeline, and then through the use of the prefabricated concrete structure, the pipeline extending through the square cylinder can be conveniently exposed, and line connection can be conveniently conducted; and meanwhile, modular standardization is met, preassembling adjustment is carried out according to the positions of the pipelines, and the embedded pipelines are convenient to position and maintain.

The invention relates to the technical field of natural gas dehydration, in particular to a composite runner plate tower for deep dehydration of natural gas, which comprises a tower body, the lower part of the tower body is communicated with a wet gas inlet, the top of the tower body is communicated with a dry gas outlet and a dehydration liquid inlet, and the bottom of the tower body is communicated with a waste liquid outlet; a fine dehydration structure, a plate type dehydration structure, a condensation structure and a rotational flow dehydration structure are arranged in the tower body from top to bottom; the fine dehydration structure is located between the dry gas outlet and the dehydration liquid inlet, and a temperature supply structure is arranged at the fine dehydration structure; the rotational flow dehydration structure is a rotational flow cylinder, and water vapor condensate beads are centrifugally separated through vaporous dehydration liquid; the condensation structure comprises a condensation pipe for condensation dehydration, and the plate-type dehydration structure comprises a pore plate obliquely arranged on the tower body to increase the contact area of natural gas and dehydration liquid; according to the fine dehydration structure, adjacent hydrophilic plates are utilized to form a tower body space for absorbing smaller water molecules. The problem that in natural gas dehydration, regeneration energy consumption is reduced, and meanwhile deep dehydration cannot be achieved is solved.

The invention relates to a fluid mechanics experiment device of tower equipment and an operation method, and aims to solve the problems of low metering precision, difficulty in comparison of multiple tower plates, complexity in disassembly and assembly and low experiment efficiency of the existing experiment equipment. The equipment comprises a tower body, a gas-liquid supply system, a metering detection system and a circulating system, four common industrial tower plates including a sieve pore plate, a floating valve plate, a bubble cap plate and an inclined pore plate can be carried in the tower body, a turbine flow meter, a mass flow meter and a vortex shedding flow meter are adopted to replace a traditional rotor flow meter, and accurate monitoring of flow, temperature and pressure drop is achieved in combination with a remote transmission sensor. According to experiments, dry plate pressure drop, tower plate total pressure drop under different spraying densities, liquid leakage amount and entrainment amount can be measured, a gas-liquid contact state and an abnormal operation phenomenon are observed, a tower plate load performance diagram is finally drawn, data support is provided for design and optimization of a plate tower, and the device is convenient to operate, accurate in metering, high in efficiency and suitable for popularization and application. The device is suitable for teaching and scientific research experiments in the chemical mass transfer field.

The present application relates to a kind of plate column node support structure and its construction method, effectively solve the problem that the seismic resistance, stability and decorative of beamless floor structure are difficult to consider;The technical solution includes elastic support unit and rigid support unit, elastic support unit is located in the center of column top, rigid support unit is enclosed in the periphery of elastic support unit in closed ring, rigid support unit is flush with the outer wall of column cement cylinder, within the normal load range, by elastic support unit, main load bearing effect is played, rigid support unit plays auxiliary load bearing effect, rigid support unit keeps the stability of floor, in the state of supercharge impact, rigid support unit is damaged, the rigid state of floor is released, completely by elastic support unit, impact is effectively buffered, the stability under normal state and the buffering performance under supercharge state are considered.

The invention relates to the technical field of wastewater treatment, and discloses high-concentration organic wastewater electrolysis equipment which comprises an electrolytic tank, a cover plate and an ozone generator, a mixing mechanism is fixedly connected to the right side of the outer wall of the electrolytic tank and drives a second gear to rotate through a servo motor, and a threaded rod is driven to rotate through gear engagement; and meanwhile, a fixed long rod and a bevel gear set drive a stabbing column rod to rotate so as to puncture bubbles, a scraping mechanism is fixedly connected to the front side of the outer wall of the electrolytic cell box, and the scraping mechanism drives a belt to rotate through a servo motor so as to drive a U-shaped scraping plate to circularly scrape attachments along the inner wall of the electrolytic cell box. According to the invention, full flow mixing of wastewater and mechanical refining of ozone bubbles are simultaneously realized by utilizing a single power source, the gas-liquid-solid three-phase contact area is obviously increased, attachments on the inner wall are automatically scraped, and the cleanliness of the inner wall of the electrolytic tank and the effective utilization rate of a catalyst are ensured.

The invention relates to the field of distillation chemical instruments, in particular to a plate tower and cleaning equipment thereof, the plate tower cleaning equipment comprises a cylindrical supporting seat, an annular storage groove is formed in the middle of the supporting seat in the circumferential direction, a filling air bag is arranged in the storage groove, and the filling air bag is arranged in the supporting seat. The side face of the filling air bag is fixedly connected with an inflation pipe communicated with the filling air bag, a foam conveying pipe penetrates through the middle of the inflation pipe and is fixedly connected with the supporting base, and a foam spraying groove with an upward return opening is formed in the supporting base. Therefore, the tower plates on all layers in the plate type tower and the tower covers on the tower plates can be well cleaned.

The invention belongs to the field of chemical engineering, and particularly relates to a gas-liquid-solid three-phase bubbling bed reactive distillation device and application thereof in preparation of diisoamyl oxalate. The gas-liquid-solid three-phase bubbling bed reaction rectification device comprises a rectification section, a stripping section and a bubbling bed reaction section, the rectification section and the stripping section are composed of plate towers or packed towers, and the bubbling bed reaction section is composed of a catalyst and tower plates. In addition, the NKC-9 resin catalyst is modified through silicon dioxide, the catalytic reaction efficiency can be greatly improved, and the catalyst can be recycled.

The application discloses a kind of cold-rolled steel pipe full-automatic feeding device, it is related to feeding device technical field, including feeding table, the upper side of the feeding table is equipped with steel pipe cutting mechanism.This kind of cold-rolled steel pipe full-automatic feeding device, by being provided with moving frame in the both sides of conveying table, equipment plate is fixedly installed in the middle of moving frame, moving plate is provided at the both sides of equipment plate, moving plate is directly connected by clamping plate column, the setting of clamping plate column is moved up and down by embedding groove and lifting motor, connecting column and cutting device are connected below one side moving plate, distance detector is provided at the both sides of the upper side of cutting device, when cold-rolled pipe enters the upper side of conveying table, distance detector promotes cutting device to move downward, cutting device is cut to cold-rolled pipe by descending, the length of one side of cold-rolled pipe is kept consistent, and the one end of cold-rolled pipe can be cut, so that cold-rolled pipe whole keeps surface smooth, neat.