37results 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 application belongs to the technical field of heat exchanger of chemical equipment, and particularly discloses a forced circulation evaporator with built-in heat exchange, which comprises a heat exchange device, a heating device and an evaporator shell, wherein the heat exchange device is provided with a steam inlet and a condensate outlet; the heating device is arranged outside the heat exchange device and comprises a heater and a feeding cavity; the bottom side of the feeding cavity is provided with an opening and is in gap cooperation with the heater, so that the raw material flows down along the outer sidewall of the heater after passing through the feeding cavity; the evaporator shell is used for containing the heat exchange device and the heating device; an upper cavity is arranged on the heat exchange device and is in communication with the heat exchange device; and the forced circulation device comprises a circulating pump arranged at the bottom of the inner side of the evaporator shell and a circulating pipe, and the circulating pump is in communication with the inside of the heat exchange device through the circulating pipe and is connected to the upper cavity. The heat exchange device is reasonably arranged on the inner side of the evaporator, so that the occupied space is reduced, the heat preservation and insulation are better, and the utilization rate is effectively improved.

Techniques are described herein for using a high-pressure reactor to separate clean water from dirty water without filtration and to extract and concentrate contaminants from dirty water for use as a fuel. In particular, techniques and systems are described for separating water from hydrocarbon contaminates, other BTU-laden compounds, and dissolved minerals, while also boiling water and condensing the resulting steam into distilled water. In addition, system in which the described techniques are performed can be used as a high-pressure pump for moving the separated hydrocarbon contaminates forward into other processes, such as a high-pressure reactor or incinerator.

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 relates to an MVR (mechanical vapor recompression) evaporation and concentration system for a methanol-containing material, which comprises a material tank for storing the material, a feeding pump for conveying the material, a material evaporation system for evaporating and concentrating the material, and a water heater for heating water to generate steam by taking secondary steam generated by the material evaporation system as a heat source, the steam compressor, the live steam source, the tail gas condenser and the vacuum pump are used for heating water, and the steam compressor, the live steam source, the tail gas condenser and the vacuum pump are used for pressurizing and heating steam produced by the water heater. Pure steam enters the steam compressor to be compressed into high-pressure and high-temperature compressed steam, methanol-containing materials are evaporated and concentrated through the compressed steam, live steam is only used as a supplementary heat source, the use amount of the live steam can be effectively reduced, the cost is saved, meanwhile, the methanol explosion risk is also reduced, and the energy consumption is reduced. Corrosion of methanol to a mechanical structure of the compressor is reduced, and normal and stable operation of a system is guaranteed.

The forced circulation evaporation device based on calcium lactate production and preparation comprises a tank body, a control panel is fixedly installed on the outer wall of the tank body, a partition plate is fixedly installed in the tank body, the interior of the tank body is divided into a first cavity and a second cavity through the partition plate, and the partition plate is located at the center of the tank body; according to the invention, the data in the use of the discharge pipe is collected, a normal discharge signal or an abnormal discharge signal is obtained, and the blanking condition of the evaporation device is comprehensively and efficiently supervised in the use process, that is, the collected data range and the preset data range are comprehensively analyzed and compared, so that related evaluation signals are obtained; accordingly, corresponding early warning is sent to a remote monitoring terminal, accurate adjustment and control of the discharging process are achieved, and the influence caused by abnormal discharging is fundamentally reduced through cooperation of the first air bag and the second air bag for abnormal discharging.

The invention discloses a sodium silicate concentration and evaporation device system and an operation method. The sodium silicate concentration and evaporation device system comprises a feeding module, an evaporation and concentration tower, a circulation module, a finished product collection module and a control module. In a gradient heat exchange mode, fresh steam is subjected to first heat exchange with the heated sodium silicate mother liquor and then is subjected to second heat exchange with the sodium silicate mother liquor before heating, so that the temperature of the sodium silicate liquid entering the evaporation and concentration tower is obviously increased, and evaporation and concentration are performed in a negative pressure vacuum environment, so that a material quickly reaches a boiling point temperature; various technical methods are combined to further reduce the steam consumption and improve the heat utilization efficiency, the special structural design of the evaporation concentration tower is adopted, and meanwhile, the equipment cost is lower and the effect is remarkable in the technical scheme.

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 present disclosure relates to nuclear chemical, particularly radiochemical, technologies at different stages of the nuclear fuel cycle, such as the production of purified nuclear materials (uranium, zirconium) or the reprocessing of spent nuclear fuel from nuclear power stations, in which extraction processes and operations for purifying nuclear materials are used. An example method, which includes the partial decomposition of nitric acid during continuous evaporation while a solution containing a reducing agent is fed into the bottom part of an evaporator having a circulating bottoms solution, consists in that the process is carried out such that the solution is kept in the bottom part of the evaporator for more than 2 hours under the addition of an aqueous solution of formaldehyde and formic acid (hereinafter “the mixture”) or a solution of formic acid after the process has been started using the mixture.

The invention relates to the technical field of evaporation processes, and particularly discloses an evaporation process for reducing NMMO solvent discoloration through one-time material passing, which comprises multiple-effect heaters and a separator, the multiple-effect heaters and the separator form an evaporation circulation system, the multiple-effect heaters are connected in series, and the separator is connected with the evaporation circulation system. The multi-effect heater is composed of a distribution device, a heater shell, a heat exchange pipe, a pipe plate, a guide cylinder and a discharging bin, a feeding pipe is installed at the top of the distribution device, materials enter the heater from the feeding pipe, the heat exchange pipe is fixedly installed in the heater, the materials enter the bottom discharging bin after heat exchange at the heat exchange pipe, and part of material liquid forms steam; by arranging the evaporation circulation system, only a small amount of live steam is needed, the use amount of the live steam is greatly reduced, the system operation cost is reduced, the investment and operation cost of a boiler are reduced, environmental pollution is reduced, and compared with a traditional evaporator, the temperature difference is small, mild evaporation is achieved, the product quality is improved, and scaling of a heat exchange pipe is reduced.

The application relates to a self-heating multi-effect evaporation device, belonging to the technical field of multi-effect evaporation, wherein a primary-effect medium circulation pipeline is arranged on a flash evaporation unit of a primary effect, the flash evaporation units of the remaining effects are connected in series through pipelines, the medium outlet of a flash evaporation unit of a last effect is connected with the medium inlet of a heat exchange unit of a penultimate effect, the tube passes of multiple heat exchange units are connected in series, the medium outlet of a heat exchange unit of a primary effect is connected with the medium inlet of a flash evaporation unit of a penultimate primary effect through a pipeline, and a cooling circulation pipeline is arranged on the heat exchange unit of the last effect. The application recycles complex high-pollution waste heat as a driving heat source, realizes energy saving and carbon reduction, reduces energy consumption, and reduces operation cost, simultaneously adopts an equivalent flash evaporation self-heating mode, realizes multi-stage serial heating and multi-stage flash evaporation, completely separates waste water heating from flash evaporation, and solves problems such as large steam pipelines and complex pipeline routes.

The invention provides traditional Chinese medicine extraction and concentration equipment, and mainly relates to the technical field of concentration equipment. The traditional Chinese medicine extraction and concentration equipment comprises a heating tank, a plurality of evenly-distributed supporting legs are arranged on the bottom face of the heating tank, a stirring assembly is arranged in the heating tank and used for mixing raw materials in the heating tank, and a feeding pipe is fixedly installed on the upper portion of one side of the heating tank; a steam discharge pipe is fixedly mounted on one side of the top surface of the heating tank, a steam self-circulation assembly is arranged in the heating tank, and the steam self-circulation assembly is used for circulating steam in the heating tank. The device has the beneficial effects that traditional Chinese medicine liquid in the heating tank can be distributed more uniformly through the stirring assembly, local overheating is avoided, the heating effect is improved, meanwhile, steam generated in the heating tank is recycled through the steam circulating assembly, heat carried by the steam returns to a heating system again, and the heating effect is improved. And the utilization efficiency of energy is further improved.

The silicon tetrachloride drying device comprises a bubbling tank and at least two spraying tanks, the spraying tanks are communicated with the bubbling tank through connecting pipelines, valves are arranged at the positions of the connecting pipelines so as to control the communication state of the bubbling tank and the spraying tanks, and the spraying tanks are communicated with the bubbling tank through the valves. And in a working state, the bubbling tank is communicated with at least one spraying tank, and the communicating pipeline between at least another spraying tank and the bubbling tank is closed. When the bubbling tank and the spraying tank which are separated from each other are blocked and the pressure difference between the spraying tank and the bubbling tank is increased, the drying device can still operate normally, only other standby spraying tanks need to be replaced, the blocked spraying tank is closed and stopped, the system does not need to be stopped for maintenance, and the operation efficiency of equipment is improved. And the stopped spraying tank can be independently cleaned and overhauled, and is reserved after the cleaning operation is completed.

The invention discloses an efficient evaporation system based on flow state conversion, and relates to the technical field of chemical engineering. A feed liquid inlet of the graphite evaporator is provided with a nozzle used for atomizing and dispersing feed liquid to generate 300-800 [mu] m liquid drops, a graphite corrugated plate is arranged below the nozzle and used for impacting the liquid drops to form 50-200 [mu] m micro-drops or 0.1-0.5 mm liquid films, the wave height of the graphite corrugated plate is 3-5 mm, the wave pitch is 8-12 mm, the surface roughness Ra is 6.3-12.5 [mu] m, and the wave inclination angle is 45 + / -5 degrees. The internal structure of the evaporator is optimized, the flowing path of the feed liquid in the evaporator is improved, the'fluid column 'form of the feed liquid is broken, and the'fluid column' form is changed into'liquid drops, liquid lines or liquid films', so that a flash evaporation efficiency mechanism is effectively released, the'feed liquid flash evaporation 'release space is effectively enlarged by strengthening the feed liquid into the'liquid drops, liquid lines or liquid films' form, and the flash evaporation efficiency is improved. Conditions are created for efficient and energy-saving operation of an evaporation system, the material circulation amount is reduced, the flash evaporation area is increased, and the evaporation efficiency is improved.

The present invention relates to an arrangement that is suitable for processing an aqueous metal-containing slurry to separate undesired fractions therefrom, including the units intended for cooling the slurry and simultaneously causing air-induced evaporation of a fraction of the water in the slurry. Further, the invention relates to a method for such processing.

The invention relates to a self-heating multi-effect evaporation device, and belongs to the technical field of multi-effect evaporation, a first-effect medium circulation pipeline is arranged on a first-effect flash evaporation unit, other-effect flash evaporation units are connected in series through pipelines, a medium outlet of a last-effect flash evaporation unit is connected with a medium inlet of a heat exchange unit located at the second last effect, and a medium outlet of the heat exchange unit located at the second last effect is connected with a medium outlet of the heat exchange unit. The tube passes of the multiple heat exchange units are connected in series, a medium outlet of the heat exchange unit located at the first effect is connected with a medium inlet of the flash evaporation unit located at the second first effect through a pipeline, and a cooling circulation pipeline is arranged on the heat exchange unit located at the last effect. Complex high-pollution waste heat is recycled to serve as a driving heat source, the purposes of saving energy, reducing carbon, reducing energy consumption and reducing operation cost are achieved, meanwhile, an equivalent flash evaporation self-heating mode is adopted, multi-stage series heating and multi-stage flash evaporation are achieved, complete separation of waste water heating and flash evaporation is achieved, and the problems that a steam pipeline is large, and the pipeline trend is complex are solved.

The invention relates to the technical field of heat energy recovery, and particularly discloses a method for fusing a butanol and octanol device steam condensate system and a butyraldehyde hot water preparation system. According to the method, a medium-pressure steam condensate tank in a steam condensate system of a butanol and octanol device is communicated with a medium-pressure steam heater in a hot water system of a butyraldehyde preparation unit through a medium-pressure condensate pump; the liquid outlet end of a hot water buffer tank of a butyraldehyde preparation unit hot water system is communicated with the liquid inlet end of a low-pressure steam condensate tank in a butanol and octanol device steam condensate system through a second adjusting valve, and the temperature of condensate at an outlet of a medium-pressure steam condensate tank is almost close to the temperature of an outlet of a low-pressure steam hot water heater. Waste heat of medium-pressure steam condensate is utilized to the maximum extent, the operation load of a cooler at the top of the low-pressure steam condensate tank is reduced, and the steam usage amount of a low-pressure steam heater and a medium-pressure steam heater of a hot water system of a butyraldehyde preparation unit is saved.

The normal-pressure low-temperature evaporation device based on the heat pump technology comprises a shell and tube heat exchanger, the shell and tube heat exchanger is communicated with a heat exchange pipeline and a mother liquor evaporation pipeline, the mother liquor evaporation pipeline comprises a perforated pipe, a mother liquor water curtain falling at a uniform speed is formed in the perforated pipe, and a filler structure for increasing the evaporation area is arranged below the mother liquor water curtain. A liquid tank is arranged below the filler structure, a gas-liquid separator is arranged above the perforated pipe, and an upper heat exchange structure and a negative pressure fan are arranged above the gas-liquid separator. The mother liquor is forced to circulate and dynamically exchanges heat with a refrigerant through the mother liquor evaporation pipeline and the circulating pump, and the heat exchange speed is higher than that of static heat exchange of a vacuum low-temperature evaporation system. The evaporation area is greatly enlarged through spraying of the perforated pipe, the heat exchange area is further enlarged through the filler layer, the backflow speed of mother liquor is delayed, and the opportunity that water molecules make contact with flowing air is increased. Water molecules can be separated from mother liquor more quickly due to the strong air volume and air speed of the negative pressure fan.

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 continuous magnesium oxide ammonia distillation process and equipment for a multistage stator-rotor reactor series device. According to the process, ammonium salt and magnesium oxide are used as raw materials for deamination, a stator-rotor reactor is used for strengthening mass transfer between gas and liquid in the reaction process, generated ammonia gas is efficiently recycled into ammonia water, generated magnesium chloride can be converted into magnesium oxide again to be used for ammonia distillation or applied to other aspects of the industry, and the process is simple and convenient. The deamination efficiency is improved while comprehensive recycling of resources is realized in the whole process; compared with a traditional deamination tower, a plurality of stator-rotor reactors are connected in series for continuous magnesium oxide ammonia distillation, so that the retention time of reaction liquid in equipment can be controlled while the blockage problem is solved, the contact time of magnesium oxide and ammonium salt is prolonged, and the deamination efficiency is improved. According to the method, the problems of low mass transfer efficiency and slow reaction when magnesium oxide is used for ammonia distillation are effectively solved, ammonium ions contained in ammonium salt can be efficiently removed at lower cost, and meanwhile, resources in the reaction process are recycled.

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.

An evaporator is provided for evaporating water from an ambient body of water having a water surface. The evaporator includes a housing that has a proximal end proximate to the water surface, a distal end distal to the water surface, and a housing air flow channel directed toward the water surface. The housing is disposed on a support, such as a float assembly, that positions the housing above the water surface. The evaporator also includes an air flow induction device, preferably an impeller, disposed to direct an air flow stream from the distal end toward the proximal end through the housing air flow channel and toward the water surface so that the air contacts the water. The impeller preferably is made of a fiberglass material. The support preferably includes at least one float assembly air flow channel that receives the air flow stream from the housing and directs it outwardly from the evaporator. Water injection devices such as spray nozzles or atomizing nozzles preferably are disposed in the float assembly channel or channels to inject the water into the air flow stream.

The invention discloses a device capable of realizing continuous growth of graphene, and relates to the field of graphene preparation, the device comprises an evaporator main body, the bottom end of the evaporator main body is connected with a liquid accumulation bottom cylinder through a rotary sealing piece, the bottom end of the liquid accumulation bottom cylinder is fixed and communicated with a conveying pipe, the right side of the evaporator main body is provided with a pump body, and the upper and lower ends of the pump body are both provided with guide pipes; the guide pipes are respectively fixed and communicated with the upper and lower positions in the evaporator main body; an evaporation assembly is arranged in the evaporator body, and an auxiliary assembly is arranged at the top end of the evaporator body. The evaporation assembly comprises a heat pipe, and the heat pipe is fixed in the evaporator main body; the auxiliary assembly comprises an air cover, the air cover is fixed to the top end of the evaporator body, slurry is divided into multiple strands to flow, the contact area of the slurry and hot air is greatly increased, the flow speed of the hot air is increased in a pressurization mode, the hot air and the slurry are headed, the evaporation speed is increased, and the device is more suitable for large-scale graphene preparation operation.

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).

The present invention relates to the field of nuclear chemistry, in particular radiochemistry, technologies for different stages of the nuclear fuel cycle, such as production of purified nuclear materials (uranium, zirconium) or reprocessing of spent nuclear fuel from nuclear power plants, where extraction processes and operations are used for purification of nuclear materials. The essence of the method, which includes partial decomposition of nitric acid during continuous evaporation while feeding a solution containing a reducing agent to the bottom part of an evaporator with a circulating bottom solution, lies in conducting the process so that after starting the process with an aqueous solution of formaldehyde and formic acid (hereinafter referred to as "mixture"), the solution remains in the bottom part of the evaporator for more than 2 hours with addition of the mixture or a solution of formic acid. This makes it possible to select a scenario where during evaporation of a model highly active raffinate at a given concentration level (specific volume of the bottom solution does not exceed 0.4 m 3 / ton of radioactive waste), barium nitrate does not precipitate and nitrous oxide is not released. In addition, due to a significant decrease (up to one tenth) in the formaldehyde concentration in the reducing agent and the possibility of continuing the process with a formic acid solution in the complete absence of formaldehyde, the fire and explosion safety of the process increases.

The application belongs to the technical field of evaporators, and discloses a high-efficiency energy-saving circulating evaporator, which comprises a circulating processor, one side of the circulating processor is provided with an air inlet, one side of the air inlet is provided with an evaporator, and one side of the evaporator is provided with a steam mechanism. The high-efficiency energy-saving circulating evaporator is provided with the steam mechanism in the inside of the circulating processor main body, so that the linkage gear is engaged with the first receiving block and the second receiving block, the first receiving block and the second receiving block rotate in different directions, the first receiving block drives the first nozzle to rotate when the first receiving block rotates, the second nozzle rotates in the opposite direction of the first nozzle, but the positions of the first nozzle and the second nozzle correspond, so that the water flow and the steam can be fully aligned and mixed, especially the contact area of the water flow and the steam is prolonged during the rotation process, the steam generation efficiency is further improved, the water flow can be uniformly evaporated, and the working efficiency is improved.

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.