35results about How to "Uniform film distribution" patented technology

The invention discloses a film distributing device for a horizontal tube type spraying falling-film evaporator, which comprises a spray pipe and a plurality of nozzles on the spray pipe. In the device, a plurality of spray pipes are arranged on the periphery of a heat pipe bundle of the horizontal tube type spraying falling-film evaporator, when the number of the spray pipes is 3, the spray pipesenclosing the heat pipe bundle of the horizontal tube type spraying falling-film evaporator are distributed in an included angle of 120 degrees, wherein one spray pipe is positioned right above the heat pipe bundle of the horizontal tube type spraying falling-film evaporator; the nozzles are fog-shaped nozzles. The spray pipes and nozzles are arranged around the heat pipe bundle of the horizontaltube type spraying falling-film evaporator in a multidirectional manner, so the film on the surface of the heat pipe under the evaporator can be distributed uniformly, film drying and film cracking can be avoided, and the efficiency of the evaporator can be improved.

The invention provides an organic luminescent material ink, comprising: a first solvent of 20wt% to 89.9wt%; a second solvent of 5wt% to 39.9wt%; a third solvent of 5wt% to 39.9wt%; a solute of 0.1wt% to 5wt% The total content of the above components is 100%; the first solvent is a low boiling point high surface tension organic solvent; the second solvent is a high boiling point low surface tension organic solvent; the third solvent is a high boiling point high viscosity organic solvent Solvent; the solute is an organic light-emitting small molecule material that can be dissolved in the first solvent, the second solvent, the third solvent or a mixed solvent thereof. In the present invention, the three-solvent system synergistically controls the uniformity of the film, inhibits the dewetting of the small molecule luminescent film, and can obtain a high-quality and large-area patterned organic small molecule luminescent film, which has a uniform film distribution and can realize high-efficiency large-area organic optoelectronics. High-quality print preparation of devices.

The invention discloses a cloth membrane device of a long-tube falling film evaporator, which comprises an upper tube sheet arranged in the housing of the evaporator, a plurality of lower support rods arranged on the upper tube sheet, and a distribution tray arranged at the upper end part of the lower support rod, wherein a plurality of distribution holes which are evenly distributed and communicated from top to bottom are formed on the distribution tray, and cloth membrane apparatus is arranged in the distribution holes; a lap of check rings are arranged on the distribution tray, and a plurality of support rods are formed on the distribution tray; an overfall tray is arranged on the support rods and a connecting pipe is arranged at the middle of the overfall tray; and a lap of overflow dam is arranged at the periphery of the overfall tray, and a corresponding overflow pipe is arranged at the middle part of the distribution tray which corresponds to the connecting pipe. The cloth membrane device has the advantages of simple structure and evenly distributed cloth membrane; besides, no dry film and split film are generated in a heating pipe, so that the service life of the long-tubefalling film evaporator can be prolonged.

The present invention provides a treatment method and a treatment apparatus for organic wastewater. The treatment apparatus comprises a wastewater preheater, an evaporator, an ejector, a fouling device, a steam compressor and a condensation water collection separator. The present invention further provides a method for treating organic wastewater by using the treatment apparatus. According to the present invention, the treatment method and the treatment apparatus have advantages of safety, reliability, simple equipment, low operation cost, energy saving, significant effect, and the like.

The invention discloses a double-effect combined inverted-cone graphite falling-film evaporator, which belongs to the field of falling-film evaporators. A double-effect combined inverted-conical graphite falling-film evaporator includes a shell whose interior is fixedly connected with The upper plate and the lower plate, the upper plate is located on the upper side of the lower plate, and a plurality of evenly distributed heat exchange tubes are arranged inside the shell, and the upper and lower ends of the heat exchange tubes respectively pass through the upper plate and the lower plate and are fixedly connected to the inside. The present invention can reasonably set the film thickness according to the characteristics of the viscosity and fluidity of the feed liquid, so that the feed liquid can smoothly flow in the form of a film along the inner wall of the heat exchange tube, and ensure that the feed liquid is distributed in the heat exchange tube. Uniformity, which has applicability beyond the reach of existing falling film evaporators, and, by setting up an in-line cleaning column in the liquid separation tank, it solves the difficulty of cleaning the fouling of the material liquid in the heat exchange tube, and realizes simultaneous Efficient cleaning of multiple heat exchange tubes is performed synchronously, with good recycling performance.

The present invention discloses a distributer of a horizontal falling film evaporator. The distributer comprises distribution pipe, a distribution tank and a falling film evaporation pipe, wherein the bottom of the distribution pipe is provided with primary distribution holes, various pipe holes are uniformly distributed, the distribution tank is arranged below the distribution pipe, presents a tapered shape, and is connected with the distribution pipe through a welding manner, the lower half portion of the distribution tank is filled with a porous material, a separation plate is longitudinally arranged to separate the distribution tank into mutually-noncommunicated areas, the bottom of the distribution tank is provided with uniformly-distributed secondary distribution holes, both sides of the secondary distribution holes are embedded with draining projections for providing a draining effect, the falling film evaporation pipe is positioned just below the distributer, the positions of the secondary distribution holes and the draining projections are just toward the axis center of the falling film evaporation pipe, both ends of the falling film evaporation pipe are sealed by using flanges and washers, and the distribution pipe and the distribution tank are respectively connected with the horizontal falling film evaporation cylinder body through welding. The distributer has characteristics of simple structure, easy installation processing, uniform film distribution, increased evaporator efficiency, and energy source saving.

The invention provides a waste water processing technology and a system. The system comprise a waste water preheater, an evaporator, a stripping tower, a vapour compressor, a heat exchanger, a noncondensable gas compressor, and a condensed water collector. The invention also provides the waste water processing technology using the system. The waste water processing technology and the system are safe and reliable; equipment is simple; operation cost is low; energy save effect is obvious; and 50 to 95% water resource can be recycled.

A vertical tube falling film absorption reactor, comprising an upper tube box, a lower tube box and a shell, the shell is arranged between the upper tube box and the lower tube box and is respectively sealed and connected with the upper tube box and the lower tube box. The upper and lower ends are respectively provided with tube sheets, and a vertical tube bundle is provided between the two tube sheets. A membrane distribution device is provided in the shell. The membrane distribution device includes an upper liquid distribution plate, a lower liquid distribution plate and an upper liquid distribution plate. The upper cylindrical overflow plate, the lower liquid distribution plate tube hole on the lower liquid distribution plate and the heat exchange tube passing through the lower liquid distribution plate tube hole are provided with a film cloth ring gap, and the lower liquid distribution plate tube hole is provided with an annular gap. There are centering protrusions for centering the heat exchange tubes, and spiral grooves are arranged on the outer walls of the heat exchange tubes. The invention adopts a more reasonable film distributing device, so as to achieve the purpose of uniform distribution of liquid film and stable film formation, avoid dry wall phenomenon, and greatly improve the efficiency of heat and mass transfer.

The invention provides a method and device for treating wastewater containing organic matters. The device comprises a wastewater pre-heater, an evaporator, a scaling device, a steam compressor and a condensed water collector. The invention further provides the method for treating the wastewater containing the organic matters by adopting the device. The method and device for treating the wastewater, provided by the invention, have the advantages of safety and reliability, simple equipment, low operation cost, obvious energy-saving effect and the like.

The invention relates to the field of chemical heating equipment, and discloses a lateral-feed falling-film evaporator including a shell body, a pipe plate, evaporation pipes and a liquid supply device, and the pipe plate is arranged on the upper part of the shell body; a plurality of evaporation pipes are vertically arranged in the shell body, and the upper ends of the evaporation pipes pass through the pipe plate; the upper ends of the evaporation pipes are provided with a flow guiding device; the liquid supply device comprises a liquid inlet groove and branched feed pipes, and the liquid inlet groove is vertically arranged at the upper part of the outer wall of the shell body and surrounds the whole shell body; the liquid inlet groove is uniformly provided with a plurality of branched feed inlets; the branched feed inlets are formed on the upper side wall of the liquid inlet groove, the lower ends of the branched feed pipes vertically pass through the branched feed inlets and extend into the liquid inlet groove, and the lower ends of the branched feed pipes are close to the bottom of the liquid inlet groove; the shell body is provided with a plurality of overflow channels communicating with the liquid inlet groove. The lateral-feed falling-film evaporator has the advantages of simple and compact structure, and effectively shrinks the height of the device; the lateral-feed falling-film evaporator has the advantages of large liquid flowing amount, and convenience in operation and maintenance; and with use of the device, the liquid distribution rate is high, the film distribution is uniform, and the device is not easy to block and is easy to clean.