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71 results about "Surface condenser" patented technology

Solar simulator optical system

The invention discloses a solar simulator optical system. The solar simulator optical system includes a xenon lamp, an ellipsoid surface condenser, a first plane reflecting mirror, an optical integrator, an optical filter, a second plane reflecting mirror, an off-axis parabolic reflecting mirror and a shell; the xenon lamp is located at the first focus of the ellipsoid surface condenser; the optical integrator is of a symmetric structure and is composed of two sets of element lens arrays, wherein the front set of lenses is an integrator field lens which is located at the second focus of the ellipsoid surface condenser, and the back set of lenses is an integrator projection lens which is located at the front focal plane of a collimating mirror; and the off-axis parabolic mirror is the system collimating mirror. According to the solar simulator optical system, two plane reflecting mirrors are adopted, so that an optical path can be effectively folded, and the size of the optical path can be compressed; the system is an off-axis reflecting collimating system, and therefore, the collimating angle of a light beam is larger, and radiation uniformity is high, and central obscuration of an outputted light beam can be avoided; and a framework built by the system is a 4-shaped mirror image, and with such as an optical path structure realized, the center height of an outgoing light beam can be flexibly adjusted according to design requirements.
Owner:NANJING UNIV OF SCI & TECH

Wet decomposition evaporation alkali production technique for NaHCO3 alkali halide

The invention discloses an alkali preparing process for wetly decomposing and evaporating alkali halide containing NaHCO3, which comprises the following steps: adding purified brine in the refining process into a clear liquid storage tank; successively adding the brine into a first effective wet decomposition evaporator, a second effective wet decomposition evaporator, a third effective evaporator and a fourth effective crystallizer after the brine is sent to a primary preheater, a secondary preheater and a tertiary preheater in sequence by using a purified brine pump; and obtaining a crystal in the fourth effective crystallizer; and then sending the crystal to the filtering process. Primary steam used by the first effective wet decomposition evaporator adopts back pressure steam of 0.45 MPa (absolute pressure); condensed water generated after being preheated by a primary clear liquid preheater is returned to a boiler; secondary steam generated by each effective evaporator is used as a next effective heat source; and secondary steam generated during the fourth effective evaporation process is emptied after passing through a surface condenser. By adopting the production technology of the wet decomposition and evaporation process, the process flow of natural alkali preparing pure alkali is shortened, the production cost is reduced, the problem of environmental pollution in the traditional art is solved, and the production of the pollution-free natural alkali preparing pure alkali is achieved.
Owner:HENAN ZHONGYUAN CHEM

Heat pump dual-heat-mass coupled humidification and dehumidification evaporation system and method

A heat pump dual-heat-mass coupled humidification and dehumidification evaporation system and a method belong to the fields of energy and power engineering and evaporation. A condenser of a heat pump system is utilized to drive the evaporation system according to the energy transfer and conversion mechanism in a compression heat pump and an air-water system, and the energy utilization efficiency of the evaporation system is improved through humidification, dehumidification and the in-system heat recovery process. The advantage that the heat pump system is high in performance coefficient is fully utilized, restrictions of heat source conditions on the evaporation system are broken through, and meanwhile, mass transfer and heat transfer processes are introduced into the dehumidification process, so that the cost due to application of corrosion-resistant noble metals to a conventional surface condenser is greatly reduced; and sensible heat of in-system fresh water and concentrated solutions is fully utilized, so that the energy utilization efficiency of the evaporation system is improved, the energy-saving effect is obvious, and the heat pump dual-heat-mass coupled humidification and dehumidification evaporation system conforms to the national standards of energy conservation and emission reduction and the sustainable development strategy.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Continuous single-effect vacuum evaporation crystallization system as well as application and technology

The invention discloses a continuous single-effect vacuum evaporation crystallization system as well as application and technology. The system comprises a preheater, a heating chamber and a vacuum crystallizer, wherein the preheater is used for preheating a solution; a solution inlet of the heating chamber is communicated with the preheater; steam is introduced into the heating chamber and performs heat exchange with the solution in the heating chamber; the vacuum crystallizer is connected with the heating chamber, a centrifuge and a surface condenser respectively; the solution heated by the heating chamber is crystallized in the crystallizer; the crystallized crystal slurry enters the centrifuge and is separated to obtain a finished product of crystal; one part of the secondary steam generated by the vacuum crystallizer enters the surface condenser to be condensed, and the other part of the secondary steam enters the heating chamber for cyclic utilization; through the arrangement of the heating chamber, the solution is heated for the second time, and the heating chamber can make use of live steam as well as secondary steam generated by an evaporator; and the whole system realizes continuous circular generation of sodium glutamate particles, and the crystal product has the advantages of high quality, large crystalline particle size, uniform particles and smooth surface.
Owner:SHANDONG TIANLI DRYING TECH & EQUIP

Sodium sulfate evaporation crystallization device

The invention discloses a sodium sulfate evaporation crystallization device which comprises a first effect evaporation unit, a second effect evaporation unit and a third effect evaporation unit which are connected in sequence, the first effect evaporation unit is connected with a steam input pipe, the third effect evaporation unit is connected with a feeding groove, a gas phase tube of the third effect evaporation unit is connected to a surface condenser, a vacuum pump is arranged on the surface condenser, and the surface condenser and a cooling tower form a cooling loop; evaporation condensate tubes of the second effect evaporation unit, the third effect evaporation unit and the surface condenser are connected to a condensate collection groove, a crystal slurry pipe of the second effect evaporation unit is connected to a cooler crystallizer, a spiral conveyer is arranged at the position of the inlet of the crystal slurry pipe, the output end of the cooling crystallizer is connected to a centrifuge, the centrifuge is provided with a solid salt output end and a mother liquor tube, and the mother liquor tube is connected to a mother liquor tank. The sodium sulfate evaporation crystallization device has the advantages of high crystallization efficiency and low heat energy consumption.
Owner:JIANGSU JIATAI EVAPORATION CRYSTALLIZATION EQUIP

Sodium chloride evaporation crystallization device

The invention discloses a sodium chloride evaporation crystallization device which comprises a first effect evaporation unit, a second effect evaporation unit and a third effect evaporation unit which are connected in sequence, the first effect evaporation unit is connected with a steam input pipe and a feeding groove, a gas phase tube of the third effect evaporation unit is connected to a surface condenser, a crystal slurry pipe of the third effect evaporation unit is connected to a centrifuge, the centrifuge is provided with a solid salt output end and a mother liquor tube, and the mother liquor tube is connected to a mother liquor tank; a throttling gear is arranged on a connecting pipe of a separator and heating column tubes in the first effect evaporation unit, the second effect evaporation unit and the third effect evaporation unit; a vacuum pump is arranged on the surface condenser, and the surface condenser and a cooling tower form a cooling loop; evaporation condensate tubes of the second effect evaporation unit, the third effect evaporation unit and the surface condenser are connected to a condensate collection groove. The sodium chloride evaporation crystallization device has the advantages of high operation concentration and less reflux mother liquor.
Owner:JIANGSU JIATAI EVAPORATION CRYSTALLIZATION EQUIP

Energy-saving environment-friendly DDGS (Distillers Dried Grains with Solubles) waste heat vaporization system

The invention relates to an energy-saving environment-friendly DDGS (Distillers Dried Grains with Solubles) waste heat vaporization system which comprises a condensate water flash tank, a high-temperature condensate pump, a waste gas washing tower, a washing water pump, a first effective heater, a first effective separator, a second effective heat exchanger, a second effective separator, evaporators, a surface condenser, a condensate water collecting tank and a condensate pump, wherein the quantity of the evaporators is three, namely, a third effective evaporator, a fourth effective evaporatorand a fifth effective evaporator. According to the invention, secondary steam generated by a tube bundle dryer is washed by the washing tower and then is fed into a multi-level vaporization system; the condensate water generated by the tube bundle dryer is treated by the flash tank to generate steam and then the generated steam is fed into the multi-level vaporization system; the secondary steamafter washing and the steam generated by the flash tank are utilized to perform evaporation concentration on a filtrate formed after solid-liquid separation of distiller liquor; the secondary steam generated by the tube bundle dryer and heat in the condensate water are fully recovered; the recovery ratio of waste heat is high; dust pollutants in the secondary steam are absorbed; and the purpose ofsaving energy and reducing emission is achieved.
Owner:郑州博大浓缩干燥设备有限公司

Combined refrigeration equipment

The invention provides combined refrigeration equipment. The combined refrigeration equipment comprises first refrigeration equipment, second refrigeration equipment and a connection component, wherein the back surface of the first refrigeration equipment is provided with a first back surface condenser; a left condenser is arranged on the left side of the first refrigeration equipment; the back surface of a box body of the second refrigeration equipment is provided with a second back surface condenser; a right condenser is arranged on the right side of the box body of the second refrigeration equipment; and one end of the connection component is detachably connected with the box body of the first refrigeration equipment, and the other end of the connection component is detachably connected with the box body of the second refrigeration equipment, so that the right side of the first refrigeration equipment is adjacent to the left side of the second refrigeration equipment during combination. In the embodiment of the invention, the built-in condensers, which are conventionally arranged on two sides, are arranged on the side face and the back surface, so that the problem of heat dissipation of the refrigeration equipment with the built-in condensers in a combined state is solved, and furthermore, the performance of the refrigeration equipment is not influenced no matter whether single equipment is used or a plurality of sets of equipment are combined for use.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +1

Wet decomposition evaporation alkali production technique for NaHCO3 alkali halide

ActiveCN101503204BSolve the pollution of the environmentReduce the impact of thermal efficiencyCarbonate preparationDecompositionEvaporation
The invention discloses an alkali preparing process for wetly decomposing and evaporating alkali halide containing NaHCO3, which comprises the following steps: adding purified brine in the refining process into a clear liquid storage tank; successively adding the brine into a first effective wet decomposition evaporator, a second effective wet decomposition evaporator, a third effective evaporator and a fourth effective crystallizer after the brine is sent to a primary preheater, a secondary preheater and a tertiary preheater in sequence by using a purified brine pump; and obtaining a crystal in the fourth effective crystallizer; and then sending the crystal to the filtering process. Primary steam used by the first effective wet decomposition evaporator adopts back pressure steam of 0.45MPa (absolute pressure); condensed water generated after being preheated by a primary clear liquid preheater is returned to a boiler; secondary steam generated by each effective evaporator is used asa next effective heat source; and secondary steam generated during the fourth effective evaporation process is emptied after passing through a surface condenser. By adopting the production technologyof the wet decomposition and evaporation process, the process flow of natural alkali preparing pure alkali is shortened, the production cost is reduced, the problem of environmental pollution in the traditional art is solved, and the production of the pollution-free natural alkali preparing pure alkali is achieved.
Owner:HENAN ZHONGYUAN CHEM

Low-pressure cylinder module system of double-back-pressure asymmetric turbine and operation method of low-pressure cylinder module system

The invention relates to a dual-backpressure asymmetric steam turbine low-pressure cylinder module system and its operating method. The system includes a low-pressure cylinder installed on the steam turbine platform, a high-backpressure surface condenser connected to the low-pressure cylinder, and a high-backpressure surface condenser installed on the low-pressure cylinder. The internal short final stage blade set is installed on the low-pressure cylinder of the steam turbine platform, the low back pressure surface condenser connected to the low-pressure cylinder, the long final-stage blade set installed inside the low-pressure cylinder, and the medium-low The cylinder pressure connecting pipe, the circulating water pipe installed at the circulating water inlet of the low back pressure condenser, the circulating water pipe installed at the circulating water outlet pipe of the high back pressure condenser; the exhaust steam of the medium pressure cylinder of the steam turbine passes through the medium and low pressure connecting pipe Enter the first low-pressure cylinder and the second low-pressure cylinder respectively, and after doing work in the first low-pressure cylinder and the second low-pressure cylinder, the steam is respectively discharged into the high back pressure surface condenser and the low back pressure surface condenser for surface heat exchange .
Owner:中国大唐集团科学技术研究总院有限公司

Solar energy focus and membrane distillation process based sea agriculture ecological membrane

The invention discloses a solar energy focus and membrane distillation process based sea agriculture ecological membrane, and belongs to the field of solar energy focus heat collection and ecological agriculture. The sea agriculture ecological membrane includes curved surface condensers, solar-heat converters, ecological agriculture planting grooves, fresh water collection grooves, sea distillation membranes, porous material water absorption devices, and ecological agriculture water controllers, which are connected; the solar energy focus and membrane distillation process based sea agriculture ecological membrane can be used in a single manner and in a combined manner; sun light comes to surfaces of the curved surface condensers, and then reaches the solar-heat converters via multiple reflections to be converted into heat energy; sides surfaces of the solar-heat converters are fixedly provided with the porous material water absorption devices, wherein the absorbed sea water is heated and evaporated by the solar-heat converters, the evaporated sea water enters over the fresh water collection grooves to be condensed via the sea water distillation membranes near the porous material water absorption devices, and the condensed water is utilized by crops through water absorption materials on the side surfaces of the ecological agriculture planting grooves or is collected in the fresh water collection grooves; and the collected water is utilized by plants in the ecological agriculture planting grooves through the ecological agriculture water controllers.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Sunlight illumination optical system of south exit of tunnel

A sunlight illumination optical system of a south exit of a tunnel comprises a parabolic cylinder curved surface light adjusting lens, a parabolic cylinder curved surface condenser lens, an emitting groove, a secondary light guide lens, a plane mirror set and a primary light guide lens, a condenser is formed by the parabolic cylinder curved surface condenser lens facing the sun and the parabolic cylinder curved surface light adjusting lens having the same focal point with the parabolic cylinder curved surface condenser lens, parallel sunlight is condensed by the parabolic cylinder curved surface condenser lens and then becomes parallel light after light paths are adjusted by the parabolic cylinder curved surface light adjusting lens, the parallel light is output out of the emitting groove of the parabolic cylinder curved surface condenser lens to the primary light guide lens and reflected into the secondary light guide lens by the primary light guide lens, reflected light of the secondary light guide lens has the same direction with the tunnel, the secondary light guide lens is arranged outside the south exit of the tunnel, and the inclined plane mirror set is arranged at the positions, located in the light paths of the secondary light guide lens, of the top of the tunnel and used for transmitting the sunlight onto all road surfaces in the area of the south exist of the tunnel. The sunlight illumination optical system of the south exit of the tunnel is simple in structure and therefore has broad application prospects.
Owner:XIAN DAYU PHOTOELECTRIC TECH

Reverse design method of three-dimensional condenser taking energy flow distribution of receiving surface as target

The invention relates to a reverse design method of a three-dimensional condenser taking energy flow distribution of a receiving surface as a target, belongs to the technical field of solar energy utilization and optical engineering, solves the problem that the design of the three-dimensional asymmetric free-form surface optical path system has many limitations by adopting a generalized solution.The method specifically comprises the following steps: S1, establishing an energy mapping relationship to obtain discrete point data of a transmitting source / receiving surface; s2, constructing an initial surface structure of the free-form surface condenser by using the discrete point data; s3, acquiring the actual receiving surface energy flow density by adopting a ray tracing simulation method;s4, establishing an evaluation function; s5, judging whether the evaluation parameter MF meets the requirement or not, and if MF is smaller than or equal to 0.001, ending the design and outputting anoptimal solution of the surface structure; otherwise, establishing a feedback iterative relational expression, solving the new target energy flow density, and substituting the new target energy flow density into the S1 for continuous execution. The method is high in design flexibility, automatic in closed-loop solving, free of complex operation, high in design accuracy and high in solving speed.
Owner:西北工业大学太仓长三角研究院

Tryptophan TVR (Thermal Vapour Recompressor) evaporation, concentration and crystallization system, and method for concentrating and crystallizing by using system

The invention relates to a tryptophan TVR (Thermal Vapor Recompressor) evaporation, concentration and crystallization system, and a method for concentrating and crystallizing by using the system, which belong to the field of biotechnology manufacturing. A first effect evaporator and a first effect circulating pump form a circulation path through a pipeline; the first effect evaporator and a firsteffect separator are communicated through a pipeline; the first effect separator and a second effect evaporator are communicated; the second effect evaporator and a second effect separator are communicated; the second effect separator is connected with a second effect circulating pump through a pipeline; the second effect circulating pump is communicated with the second effect evaporator through apipeline; an evaporation and crystallization device and a circulation discharge pump form a circulation path through a pipeline; the evaporation and crystallization device is also communicated with asurface condenser; the surface condenser is connected with a vacuum condensation water tank through a pipeline; the vacuum condensation water tank is connected with a vacuum condensation water pump.According to the tryptophan TVR evaporation, concentration and crystallization system, and the method for concentrating and crystallizing by using the system provided by the invention, through ingenious and effective combination of an evaporation and concentration technology, a TVR technology, a multiple-effect evaporation technology, and an evaporation and crystallization technology, heat energyin various parts in the system are fully utilized, so that vapor and materials fully exchange heat to achieve heat balance, so that the whole system is stable in temperature, steady, and easy to control.
Owner:江苏澳创生物科技有限公司 +1
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