13results about "Evaporators with forced circulation" patented technology

The invention relates to the technical field of food processing, in particular to a beverage concentrated solution extraction device and an extraction method. An air inlet of a compressor is communicated with a secondary steam outlet of a separator, and the compressor is used for sucking and compressing secondary steam; an air outlet of the compressor communicates with an inlet of the shell-and-tube heat exchanger shell layer, and the compressor is used for feeding compressed and heated steam into the shell-and-tube heat exchanger shell layer as a heating medium; a vapor-liquid mixture outlet of the shell-and-tube heat exchanger is communicated with an inlet of the separator, and a concentrated solution outlet of the separator is communicated with the storage tank through a pipeline; a condensate water outlet of the shell-and-tube heat exchanger is communicated with a condensate water tank through a pipeline via a flow meter; a suction port of the water ring vacuum pump is communicated with a non-condensable gas exhaust port of the shell-and-tube heat exchanger tube layer through the steam water ring vacuum pump; a suction port of the steam water ring vacuum pump is communicated with the condensate water tank and the storage tank and used for forming negative pressure in the condensate water tank and the storage tank. According to the technical scheme, boiler steam and a large amount of cooling water are not used, environment protection and energy conservation are achieved, and operation is convenient; the problems of high investment cost, large occupied area, complex operation and maintenance and the like of large industrial equipment in the prior art are solved.

The invention provides a three-time air supply methanol-to-hydrogen combustion evaporator which comprises a heat exchanger, a combustion evaporator body, a combustion chamber and a three-time air supply device, the air outlet end of the heat exchanger communicates with the three-time air supply device, and the three-time air supply device is arranged at the top of the combustion chamber. The tertiary air supply device blows flames generated during combustion of the combustion chamber to the combustion evaporator, the heat exchanger is used for preheating normal-temperature air, and the tertiary air supply device supplies air to the combustion chamber. The three-time air supply design is adopted, so that combustion is more complete, the flame temperature distribution is uniform, the heat efficiency is greatly improved, and fuel waste is reduced. Through gas preheating and waste heat recovery, external energy input is reduced, the operation cost of the system is remarkably reduced, and the energy-saving and environment-friendly trend is met. The high-temperature gas guide pipe guides waste heat back to the heat exchanger, heat energy recycling is achieved, the overall heat energy utilization rate is increased, and emission loss is reduced.

The invention discloses a device for preparing plant water and plant honey of sweet sorghum. The device comprises a buffer tank, a primary heater, a first evaporation circulation mechanism, a second evaporation circulation mechanism, a subsequent treatment mechanism, a temporary storage tank, a heat source and a control mechanism. During working, juice is preheated by the buffer tank and the primary heater and then sequentially enters the first evaporation circulation mechanism and the second evaporation circulation mechanism to be subjected to two-stage concentration. Most plant water and intermediate media are separated in the first stage, the intermediate media are further concentrated in the second stage, and a small part of plant water and plant honey are separated. And the plant water is sent to a subsequent treatment mechanism for sterilization and other treatment. The control mechanism detects the Brix value of the plant honey in real time, and if the Brix value reaches the standard, the plant honey is guided to enter a temporary storage tank for storage; and if the concentration does not reach the standard, refluxing to the buffer tank, and re-entering the first evaporation circulating mechanism for re-concentration. The plant honey is prepared while the plant water is prepared, so that the comprehensive utilization rate of resources is increased, the production cost is reduced, and the large-scale production requirement is met.

The application discloses a zinc sulfate evaporation device, which comprises an evaporator body and a shell, wherein a cavity is arranged between the shell and the evaporator body, an air inlet pipe is arranged at the upper end of the shell, an air pressure adjusting device is arranged in the cavity, the air pressure adjusting device comprises a moving block, a baffle, a spring, an upper slide rail and a lower slide rail, the moving block slides left and right between the upper slide rail and the lower slide rail, the baffle is used for dividing the cavity into a first cavity and a second cavity, a connecting pipe is arranged at the upper end of the shell, the first cavity and the second cavity are communicated with each other through the connecting pipe, and an air inlet is arranged on the upper and lower surfaces of the upper slide rail. The air pressure adjusting device can dynamically adjust the opening and closing of the air inlet according to the air pressure difference between the first cavity and the second cavity, so that the inflow amount of hot air is controlled, and the effective evaporation of the zinc sulfate liquid is ensured.

The invention provides a corn soaking water evaporation system based on corn starch production, and relates to the technical field of corn starch production equipment. The corn soaking water evaporation system based on corn starch production comprises a bottom frame, a bearing plate is fixed to the upper portion of the bottom frame, a storage tank is installed on one side of the bearing plate, a preheating recycling structure is arranged in the storage tank, a cooling tank is installed on the other side of the bearing plate, and a cooling structure is arranged in the cooling tank. And a multi-effect evaporator is arranged in the middle of the bearing plate. According to the corn soaking water evaporation system based on corn starch production, corn soaking water feed liquid can be conveyed into the multi-effect evaporator through the preheating recovery structure, heating evaporation processing can be conducted on the corn soaking water feed liquid, dirt in the feed liquid can be removed in the process, redundant steam can be cooled through the cooling structure, and the cooling effect is good. The evaporation effect on the feed liquid is improved.

The invention relates to a process for concentrating diluted sulfuric acid (10) which may comprise at least one nitroaromatic compound and / or nitric acid as impurities, comprising: (a) feeding the diluted sulfuric acid (10) into a first stage (1) in which low boilers are removed by evaporation and / or stripping to obtain a first concentrated sulfuric acid (12); (b) optionally feeding the first concentrated sulfuric acid (12) into a second evaporation stage (2) to obtain a second concentrated sulfuric acid (14); (c) feeding the second concentrated sulfuric (14) acid into a third evaporation stage (3) if step (b) is carried out, or feeding the first concentrated sulfuric acid (12) into the third evaporation stage (3) if step (b) is not carried out, to obtain concentrated sulfuric acid (16) as product, wherein an oxidizing agent (17) and / or a precursor of an oxidizing agent is fed into the third evaporation stage (3).

Systems and methods for high total TS spray drying are provided. The systems and methods include: (1) a high concentration evaporation step in addition to conventional evaporation; (2) additional cavitation after high concentration; and (3) heating of the product prior to spray drying. The heating of the product may be accomplished prior to spray drying using cavitation following high concentrations or via the use of a heater (e.g., an ohmic heater) that provides rapid heating, low residence time, and no heating surface.

The invention discloses a polymer condensation kettle and application thereof. The polymer condensation kettle comprises a polymer solution feeding hole, a circulating hot water feeding hole, a steam feeding hole and a stirrer, the upper part of the condensation kettle is a gas phase space, and the circulating hot water feeding hole is formed in the gas phase space. According to the condensation kettle, circulating hot water is introduced from the gas phase space and can be in direct contact with the solvent gas phase, so that the circulating hot water exchanges heat with the solvent gas phase, the water amount carried by the solvent gas phase is reduced, the temperature of the solvent gas phase is reduced, the problem that the temperature of the solvent gas phase is high is solved, in addition, the amount of rubber powder carried by the gas phase is effectively reduced, and the production efficiency is improved. The steam and energy consumption can be obviously reduced, and the polymer loss is reduced.

The invention belongs to the technical field of traditional Chinese medicine concentration, and particularly relates to a traditional Chinese medicine component extraction and separation device which comprises an evaporation mechanism, the evaporation mechanism comprises an evaporation inner tank and an evaporation outer tank arranged on the outer side of the evaporation inner tank in a sleeving mode, and a heating cavity for heating the interior of the evaporation inner tank is formed between the evaporation inner tank and the evaporation outer tank; a tank cover is mounted at the top of the inner evaporation tank, a discharge pipe is fixedly mounted on the tank cover in a penetrating manner, and a separation and collection mechanism for collecting a gasified solvent is connected to the discharge pipe. The four core pain points of heat energy waste, easy wall hanging, uneven concentration and bubble residue of traditional equipment are synchronously solved, comprehensive and breakthrough technical progress is shown in the aspects of improving the production efficiency, reducing the operation cost, guaranteeing the medicine quality and safety and meeting the modern medicine production specifications, and the application prospect is wide. And an efficient and reliable key equipment solution is provided for modern production of traditional Chinese medicines.

The present application relates to the technical field of lithium extraction, and particularly relates to a method and device for extracting lithium carbonate from a lithium mixed solution, which comprises a feeding mechanism, the feeding mechanism comprises a storage box, the storage box is internally filled with lithium carbonate seed crystals, a feeding pipe is fixedly arranged at the lower end of the storage box, one end of the feeding pipe is in communication with the storage box, the other end is in communication with a pipeline, the inner diameter of the feeding pipe gradually increases from the end close to the storage box to the end away from the storage box, a blocking ball for blocking the feeding pipe is arranged in the feeding pipe, a spring is arranged in the storage box, one end of the spring is fixedly connected with the storage box, and the other end is fixedly connected with the blocking ball, and the present application effectively solves the problem that lithium carbonate is deposited on the heating pipe wall in the evaporator, thereby causing the lithium carbonate extraction rate to be not high.

The present application belongs to the technical field of traditional Chinese medicine concentration equipment, and discloses a wind pressure defoaming type high-efficiency concentrator, which comprises a medicine liquid heating tank used for heating medicine liquid stored in the tank, a wind pressure defoaming structure used for defoaming treatment by introducing air into the medicine liquid heating tank, a combined condensing structure, and a wind cooling assembly inner pipe communicated with the medicine liquid heating tank. Water vapor generated by the medicine liquid heating tank enters the wind cooling assembly inner pipe, exchanges heat with the air introduced into the air supply pipeline, and is cooled to realize condensation of the water vapor. In the present application, the water vapor generated by the medicine liquid heating tank can exchange heat with the air introduced into the air supply pipeline of the wind pressure defoaming structure, so that the water vapor can be condensed while the wind pressure defoaming is performed. Therefore, an additional cooling device is not needed to realize the condensation of the water vapor, and the structure of the medicine liquid concentrator is simplified.

The invention discloses a self-circulation feed liquid evaporator, and relates to the technical field of chemical pharmaceutical equipment, the self-circulation feed liquid evaporator comprises a heater, the heater heats feed liquid in an inner cavity of the heater to generate feed liquid foam, the heater is communicated with an evaporation chamber through a first pipeline, and the first pipeline is used for spraying the feed liquid foam to the inner wall of the evaporation chamber; the bottom of the evaporation chamber is provided with a second pipeline communicated with the heater, the second pipeline circulates the material liquid stored in the evaporation chamber into the heater, one end, deviating from the heater, of the evaporation chamber is communicated with a condenser, the condenser is used for condensing the evaporated solvent, the condenser is communicated with a liquid collector, and the liquid collector is communicated with the heater. The liquid collector is used for collecting the condensed solvent, so that the technical problems that a rising film foam mixture quickly falls back, the evaporation efficiency is low, a small amount of feed liquid is difficult to concentrate, and the residual feed liquid cannot be treated to be wasted due to short and straight communication between a heater and an evaporation chamber and lack of a large-area evaporation structure in a traditional evaporation system are solved.

The invention discloses an evaporation and concentration system for concentrating materials by utilizing tube bundle drying waste heat, which comprises an absorption tower, the absorption tower utilizes primary water to absorb heat in drying waste gas discharged by a tube bundle dryer to generate waste hot water, and the waste hot water enters a waste hot water flash evaporation system for flash evaporation to generate waste heat flash steam; the falling film evaporation system utilizes waste heat flash steam as a heat source to evaporate and concentrate materials, steam condensate water flowing out of the tube bundle drying machine enters a steam condensate water flash tank to generate condensate flash steam, and the forced circulation evaporation system utilizes the condensate flash steam as a heat source to evaporate and concentrate the materials. Therefore, waste heat in the material drying process of the tube bundle drying machine is recycled, live steam is not needed during normal operation, the live steam is only used as supplementary steam, the live steam needed during evaporation and concentration of thin materials can be effectively reduced, the steam heat utilization rate is increased, the concentration cost is reduced, and the energy consumption is reduced.