837 results about "Steam condensation" patented technology

The invention discloses an intelligent control method of a zinc ash-containing tail gas purification system, which relates to the technical field of tail gas purification systems, and comprises the following steps of: firstly, continuously monitoring a condensation process of high-temperature zinc-containing steam in a cooler through a monitoring device, and collecting zinc steam condensation conditions and particle generation data of tail gas under different temperature and pressure states in real time; according to the invention, intelligent monitoring, signal analysis, machine learning identification and dynamic regulation and control are combined to realize accurate control of the zinc-ash-containing tail gas purification system. Key features are extracted through real-time monitoring and data preprocessing, intelligent recognition of particle concentration is achieved based on feature vectors and machine learning, the rotating speed of the centrifugal separator is adjusted in a self-adaptive mode, and efficient separation and system stability are ensured by linkage with pulse back-blowing dust removal. Compared with a traditional fixed rotating speed mode, the tail gas purification efficiency is improved, the maintenance cost is reduced, the service life of equipment is prolonged, the automatic operation capacity is enhanced, and the system is kept in the optimal working state during load fluctuation.

The invention discloses a steam condensation type adsorption tower device system for extracting lithium from plateau salt lake brine, and belongs to the technical field of salt lake lithium extraction processes. A condenser of a multi-effect evaporation system and a traditional adsorption tower are coupled into a whole, the optimal temperature in the salt lake brine lithium adsorption process is achieved, and the lithium ion adsorption efficiency of the adsorption tower is improved; latent heat of vaporization released by condensation of secondary steam generated in a last-effect evaporator in a multi-flow tube bundle directly heats salt lake brine for adsorption and desorption processes, so that the adsorption rate of lithium in the salt lake brine is increased, fresh water required by a subsequent desorption process can be preheated, and the energy consumption cost of lithium extraction from the salt lake is reduced; the temperatures of an adsorbent and salt lake brine at different positions in the adsorption tower are optimized by reasonably arranging the flow of the condensation heat exchange tube bundle, the temperature of the adsorbent and the salt lake brine is gradually increased from top to bottom in the adsorption tower, and the temperature in the adsorption tower is increased from top to bottom to compensate the reduction of the adsorption rate caused by the reduction of the lithium ion concentration.

A two-phase immersion cooling apparatus may include an immersion tank with a primary condenser in thermal communication with an interior volume of the immersion tank and a vapor management system fluidically connected to the immersion tank. The vapor management system may enable the apparatus to effectively manage periods of high vapor production by removing vapor and other gases from a headspace of the immersion tank, condensing the vapor to liquid, and returning the liquid to the immersion tank.

The invention relates to the technical field of water treatment agent preparation and environmental governance material processing, in particular to polymeric ferric sulfate and a preparation method thereof.The preparation method comprises the steps that steam condensation recycled water of a thermal power plant of an aluminum factory is mixed with ferrous sulfate and concentrated sulfuric acid to form a reaction solution, oxygen is introduced for an oxidative polymerization reaction, and a liquid intermediate is generated; gradient cooling is carried out on the liquid intermediate to control the molar ratio of ferric ions to hydroxyl, and a porous solid precursor is formed through concentration and closed aging; crushing the precursor, performing graded drying by adopting a rotary kiln and flash drying, and synchronously spraying a hydrophobic modifier to reduce the surface hydroxyl activity; the powdery product is secondarily dried in a nitrogen inert environment, and moisture absorption and agglomeration are inhibited. The invention solves the problems of mixed crystal forms, delayed release of effective components and secondary pollution in the traditional process. The obtained product is uniform in crystal form, concentrated in particle size distribution, remarkably improved in dissolution rate and storage stability, and suitable for black and odorous water body treatment and industrial sewage treatment.

The invention relates to the technical field of sludge treatment, in particular to a sludge heat drying treatment system which comprises a drying machine used for drying sludge entering the drying machine and generating mixed gas; the metal sintering filter is used for carrying out dust removal treatment on the sludge dry dust in the mixed gas from the drying machine; the plate heat exchanger is used for carrying out heat exchange condensation treatment on water vapor in the mixed gas subjected to dust removal treatment by the metal sintering filter and discharging condensed wastewater generated by condensation; the gas-liquid separator is used for carrying out gas-liquid separation treatment on non-condensable gas in the mixed gas subjected to heat exchange and condensation treatment by the plate heat exchanger; and the negative pressure fan is connected to the downstream of the gas-liquid separator and used for enabling the mixed gas generated by the drying machine to sequentially flow through the metal sintering filter, the plate heat exchanger and the gas-liquid separator and then be conveyed to an air feeder opening. By using the system, blocking of condensing equipment and water accumulation of an air supply pipeline caused by sludge dry dust which is not completely removed during steam condensation can be effectively avoided.

The invention discloses a control method for steam condensate waste heat recovery and waste water heating, a control device for steam condensate waste heat recovery and waste water heating, control equipment and a computer readable storage medium. The thermal load and the logarithmic average temperature difference are calculated based on the energy conservation principle, and the needed heat exchange area is calculated through a logarithmic average temperature difference method. A flow combination scheme of the plate heat exchanger is determined according to the heat exchange area and the flow parameters, a steam condensate side adopts a single flow, and a waste water side adopts asymmetric configuration of double flows or multiple flows so as to adapt to the flow difference of the two sides. In addition, a real-time monitoring mechanism is further established, when the total heat transfer coefficient is decreased by more than 10%, a cleaning program is automatically triggered, continuous and stable operation of the system is guaranteed, and efficient utilization of waste heat resources is achieved.

The utility model relates to a steam condenser, belongs to the technical field of steam condensation, and solves the technical problems that hydroelectric energy is wasted, waste gas is not recycled and the like in the existing autoclaved aerated concrete production. According to the solution, the steam condenser is arranged above a steam water pool and comprises a condensation cylinder; a cover plate is arranged at the top of the steam pool; a through hole is formed in the center of the cover plate; a water inlet assembly is arranged in the center of the top of the condensation cylinder, an air inlet is formed in the bottom of the condensation cylinder and communicated with the through hole, two air outlet pipes are evenly distributed at the top end of the side wall of the condensation cylinder in the circumferential direction, a plurality of grates are evenly distributed in an inner cavity of the condensation cylinder from top to bottom, and a plurality of round holes are evenly distributed in the grates; a plurality of limiting clamping blocks in one-to-one correspondence with the grates are evenly distributed on the side wall of the inner cavity of the condensation barrel from top to bottom in the circumferential direction, one faces of the limiting clamping blocks are attached to the side wall of the inner cavity of the condensation barrel, clamping grooves are formed in the other faces of the limiting clamping blocks, and the clamping grooves are connected with the outer side walls of the grates in a clamped mode. Compared with the prior art, the device has the advantages of simple structure, waste gas recovery, energy conservation, consumption reduction and the like.

The invention discloses a circulating fluidized bed boiler water supply optimization method and system, and belongs to the technical field of boiler energy conservation. The system mainly comprises a condensate water tank, a demineralized water tank, a slag cooler, a deoxygenization water tank, a condensate water pump, a demineralized water pump, a plate heat exchanger, a reverse osmosis membrane group, a demineralized water buffer tank and the like. The principle of'condensate water priority 'is adopted, the supply amount of condensate water is preferentially adjusted according to the liquid level of the deoxygenated water tank through the intelligent control unit, and the insufficient part is supplemented by demineralized water; the demineralized water subjected to heat exchange by the slag cooler is intelligently distributed to a demineralized water tank, a condensation water tank or a deoxygenization water tank according to the water outlet temperature; the plate heat exchanger can preheat reverse osmosis inlet water by adopting a desalting water mode or a steam mode; the demineralized water buffer tank effectively inhibits water impact. Dynamic balance and heat energy gradient utilization of steam condensate water and demineralized water are achieved, the problems of water tank overflow and energy waste are effectively solved, and the economical efficiency and stability of boiler operation are remarkably improved.

The utility model discloses an air treatment device of an air conditioner and the air conditioner. The air treatment device comprises a seat body, a first air inlet and a second air inlet, the humidifying box is arranged on the seat body and is provided with a humidifying cavity and a steam outlet, and the steam outlet is communicated with the humidifying cavity; the water tank is used for introducing liquid into the humidifying cavity; the heating piece is arranged in the humidifying cavity; the fan is provided with an air outlet duct, and the air outlet duct is provided with a drainage outlet and a fan outlet; the humidifying box is detachably connected with the base body, the humidifying box is further provided with an air inducing opening communicated with the humidifying cavity, the air inducing opening is communicated with the drainage outlet through an air inducing pipe, and the fan can introduce air entering from the fan inlet into the humidifying cavity through the air inducing opening and the air inducing pipe. According to the air treatment device of the air conditioner, the steam humidification function is achieved, a branch is led out of the air outlet channel of the draught fan, part of airflow is blown into the humidification box, generated steam is rapidly discharged, the steam condensation amount is reduced, and bacteria can be prevented from breeding in the humidification cavity.

The utility model provides a steam condensate water recycling device which comprises a frame, a water tank is fixedly installed in the frame, and the water tank is used for containing steam condensate water. The water pump is fixedly mounted in the frame, and the water pump is used for pumping condensate water; the water pumping pipe is fixedly communicated with the water inlet end of the water pump, and the water inlet end of the water pumping pipe is fixedly communicated with the water tank; the filter tank is fixedly mounted at the top of the water tank, and an activated carbon plate and a screen plate which are used for filtering steam condensate water are arranged in the filter tank. According to the steam condensate water recycling device provided by the scheme, the problems of resource waste and environmental pollution caused by direct discharge of condensate water are solved, and the recycling of water resources is realized.

The invention belongs to the technical field of scattered steam recovery, and discloses an open type cooling tower scattered steam recovery device and a process thereof.The open type cooling tower scattered steam recovery device comprises a shell, the bottom of the shell is sleeved with a condensate pool, a fixed cooling assembly is fixedly connected to the lower portion of an inner cavity of the shell, and the open type cooling tower scattered steam recovery device further comprises a movable cooling assembly located above the inner cavity of the shell; through cooperation of structures such as the arc-edge sliding groove plate and the telescopic rod, the condensation process of scattered steam is accelerated, due to the fact that the outer wall of the arc-edge sliding groove plate is perpendicularly and fixedly connected with the inner cavity of the shell, and the arc-edge sliding groove plate protrudes outwards in an axial symmetry mode, the arc-edge sliding groove plate can enable the telescopic rod to do reciprocating contraction and ejection motion, and the condensation effect of the scattered steam is improved. The angle of the movable cooling plate is changed, the continuous activity of the movable cooling plate is guaranteed in cooperation with vertical vibration, the contact area and the contact frequency of the cooling plate and scattered steam are increased, and therefore the heat exchange efficiency is improved, and the scattered steam condensation process is accelerated.

The LNG cold energy power generation, seawater desalination and ice making coupling system comprises a seawater cooler, a seawater heater, a seawater flash evaporator, a first refrigerant vaporizer, an LNG vaporizer, a steam turbine generator, an expansion and compression all-in-one machine, a second refrigerant heat exchanger, a seawater ice maker, an inclined plate ice-water separator and a rotary drum ice crystal washer. A low-grade heat source of an LNG receiving station is used for heating seawater for flash evaporation desalination, water vapor is condensed to produce fresh water, and a first refrigerant is heated and evaporated; the expansion and compression all-in-one machine is driven by pressure energy generated after LNG is vaporized and expanded to conduct mechanical compression work on the first refrigerant, and the operation efficiency of the first refrigerant driving steam turbine generator is improved. The vaporized low-temperature natural gas is reheated through a second refrigerant, and the work efficiency of the natural gas driven expansion and compression all-in-one machine is improved; and the second refrigerant extracts the LNG cold energy for seawater ice making, and ice slurry can be used for marine product preservation, industrial cooling, cold storage air conditioners, low-temperature refrigeration houses and fresh water supply after being separated and purified.

The invention relates to the technical field of bottled beverage production, in particular to a tea beverage efficient extraction production system which comprises a pre-treatment unit, a tea soup preparation unit and a waste heat recovery unit, the pre-treatment unit comprises a water tank, a hydraulic filter and an ion exchanger, and the hydraulic filter is provided with a water inlet and a water outlet; the tea soup preparation unit comprises a three-stage counter-current extraction tower, a standing tank and a cooling tower; the waste heat recovery unit comprises a steam condensation device and a heat energy storage tank, one end of the steam condensation device is communicated with the material inlet and outlet of the three-stage counter-current extraction tower, and the other end of the steam condensation device is externally connected with a CIP cleaning system. Through dynamic gradient temperature control extraction, a multi-stage counter-current extraction technology and an instantaneous cooling system, the production efficiency and the energy utilization rate are remarkably improved while the tea soup quality is guaranteed, and therefore efficient, energy-saving and intelligent tea beverage production is achieved.

The utility model relates to a triple-cycle high-salinity wastewater low-temperature scraper drying system which comprises a roller scraper dryer, a steam condensation chamber, a condensed water tank and a vacuum pump, the vacuum pump vacuumizes the drying cavity through the condensate water tank and the steam condensation chamber. The first heat exchange cycle is suitable for exchanging heat absorbed by the steam condensation chamber to the third heat exchange cycle; the second heat exchange cycle is suitable for exchanging heat of the third heat exchange cycle to the water jacket; and the heat exchange ends on the two sides of the third heat exchange cycle are connected with the first heat exchange cycle and the second heat exchange cycle correspondingly. The three heat exchange cycles work cooperatively, the heat of the first heat exchange cycle is reduced, the heat provided for the second heat exchange cycle by the third heat exchange cycle is reduced, and the hot water in the second heat exchange cycle can still heat the materials in the drying cavity by exceeding the boiling point rise through the auxiliary heat, so that the low water content of the dry materials is effectively ensured.

The invention discloses an acid regeneration system, a control method thereof and a medium. The acid regeneration system comprises a man-machine operation device, a controller and an acid regeneration unit, and the controller is used for receiving a control instruction sent by the man-machine operation device and sending an execution instruction to the acid regeneration unit according to the control instruction; the execution instruction comprises a steam condensate water amount execution instruction, and the steam condensate water conveying device is used for controlling the water amount of conveyed steam condensate water based on the steam condensate water amount execution instruction; the acid regeneration unit comprises a desilicication unit and a roasting unit; the desiliconization unit is used for desiliconizing the waste acid liquid to obtain purified iron liquid; the desiliconization unit comprises a purified iron liquid buffer tank for storing purified iron liquid and a steam condensate water conveying device for conveying steam condensate water to the purified iron liquid buffer tank, and the steam condensate water is used for diluting the purified iron liquid; and the roasting unit is used for roasting the diluted purified iron liquid to obtain iron oxide powder and regenerated acid. The iron oxide powder obtained by the system is good in quality.

The invention belongs to the technical field of industrial production, and particularly discloses a steam condensation recovery device which comprises a condensation pipe, the condensation pipe is spiral and made of glass, an inlet and an outlet are fixed to the two ends of the condensation pipe respectively, the inlet is located below the condensation pipe, and the outlet is located above the condensation pipe; a flow guide ridge is fixed on the inner diameter of the condenser pipe, the flow guide ridge is spiral and has a triangular section, the surrounding density of the flow guide ridge is sparse at the upper part and dense at the lower part, and the number of surrounding turns close to an outlet is reduced; a first blade groove is formed in the lower end face of the flow guide edge, a first blade is hinged to the interior of the first blade groove through two telescopic rods, and the telescopic rods are located at the two ends of the section of the flow guide edge respectively. A plurality of honeycomb plates are evenly distributed on the outer diameter of the condensation pipe, a condensation cavity is formed between every two adjacent honeycomb plates, a medium inlet is formed in the first honeycomb plate close to an outlet, medium through holes are formed in the other honeycomb plates, and the device solves the problems that an existing condensation device is low in condensation efficiency, uneven in heat exchange and large in occupied area.

The utility model belongs to the technical field of clothes treatment, and particularly relates to clothes treatment equipment. The clothes treatment equipment comprises a box body, an evaporator, a base, a first infusion pump and a steam generator, the evaporator is arranged in the box body and is configured to be used for condensing steam generated in the drying process of the clothes treatment equipment into condensate water, the base is arranged at the bottom of the box body, and a water collecting cavity is formed in the base; the water collecting cavity is configured to be used for collecting generated condensate water, the first infusion pump is communicated with the water collecting cavity, the steam generator is communicated with the first infusion pump, and the first infusion pump is configured to be used for pumping the condensate water in the water collecting cavity to the steam generator. According to the clothes treatment equipment, the first infusion pump can pump the condensate water in the water collecting cavity into the steam generator, so that the steam function of the steam generator is completed through the condensate water, the utilization rate of the condensate water is increased, water does not need to be injected into the steam generator manually, and the complexity of equipment operation is reduced.

The invention discloses an endogenous steam in-situ braking expansion device and a hard carbon material preparation method, and belongs to the technical field of biomass pretreatment, and the endogenous steam in-situ braking expansion device comprises a steam explosion reaction cabin and a water storage cabin which are communicated. An electric heating device is arranged outside the steam explosion reaction cabin, the steam explosion reaction cabin is communicated with the water storage cabin, and an inductance heating device is arranged outside the water storage cabin. The brake expansion device adopts a mode of combining electric heating and inductive heating, water vapor is generated in situ, and energy loss caused by vapor condensation is effectively reduced. Compared with a traditional steam explosion machine, the steam explosion machine has the advantages that energy consumption is effectively reduced, materials can be conveniently fed and discharged, and meanwhile the problem that steam is generated, enters the steam explosion reaction cabin, is condensed and drips on the materials, and consequently treatment is not uniform is solved.

The invention relates to the technical field of heat exchangers and provides a heat exchange tube and a heat exchanger. The heat exchange pipe comprises a pipe body, a flow guide groove is formed in the outer wall face of the pipe body and extends in the circumferential direction of the pipe body, a gap exists between the two ends of the flow guide groove, and a protruding part is formed on the lower portion of the pipe body. The flow guide grooves are formed in the outer wall face of the heat exchange pipe, the wall thickness of the pipe body is reduced, and heat exchange of the heat exchange pipe is facilitated; the diversion trench is formed in the middle-upper part of the tube body, so that liquid drop gathering of a high-efficiency heat exchange area at the middle-upper part is accelerated, the heat exchange area is increased, the heat transfer advantage of the heat exchange tube is fully played, and the heat exchange efficiency of a single heat exchange tube is improved; by means of the characteristics that the steam flow is larger, the flow speed is larger, and condensate is easier to gather and separate, the problem that due to the fact that the steam flow is larger, the flow speed is larger, the liquid film thickness is increased and the condensation heat transfer coefficient is reduced at the bottom of a traditional heat exchange pipe, the contradiction between the exhaust steam condensation load and the condensation heat exchange capacity is caused is solved.

The utility model discloses a flow guide type multi-layer steaming trolley which comprises a steaming cabinet body, a plurality of steaming disc assemblies and a flow guide assembly. The steaming disc assemblies are evenly installed in the steaming cabinet body side by side at intervals in the longitudinal direction. The flow guide assembly is used for guiding water condensed by steam inside the steaming cabinet body and on the steaming tray assembly; the flow guide assembly comprises a plurality of pairs of flow guide plates, flow guide grooves and collecting discs, each pair of flow guide plates is correspondingly and obliquely arranged at the bottom of each steaming disc assembly, and the middles of a pair of opposite inner walls of the steaming cabinet body are sunken to form a pair of flow guide grooves; the two ends of a plurality of pairs of flow guide plates are in butt joint with the pair of flow guide grooves respectively, and the collecting disc is in butt joint with the tail ends of the lower portions of the pair of flow guide grooves. The flow guide plates are obliquely arranged, so that flow guide is facilitated, and then flow downwards into the collecting disc along the flow guide grooves; the humidity in the steaming cabinet body is uniform and appropriate, and the normal steaming process is guaranteed.

The utility model discloses an efficient energy-saving evaporation concentrator which comprises an evaporation kettle, a condensation kettle and a base, the evaporation kettle is vertically arranged at the top of the base, and the condensation kettle is vertically arranged at the top end of the evaporation kettle and is communicated and fixed with the evaporation kettle; the evaporation kettle further comprises a turbine, a liquid supply pipe, laminar flow plates, a top flow plate, a liquid inlet and outlet connector and a motor, the liquid supply pipe is vertically installed in the middle of the inner bottom of the evaporation kettle, the efficient energy-saving evaporation concentrator adopts the turbine to pump liquid medicine to the high position, the liquid medicine flows down through the top flow plate and the multi-stage laminar flow plates in sequence, and in the process, the liquid medicine flows through the motor. The top flow plate and the laminar flow plate can enlarge the contact area of liquid medicine and air, so that the evaporation rate of water in the liquid medicine is increased, meanwhile, the condensation kettle adopts an outer surrounding type water cooling structure, and a higher temperature difference can be created on the inner wall, so that the steam condensation process is promoted, and the efficiency of the whole evaporation and concentration process is improved.

The present application relates to the technical fields of traditional Chinese medicine extraction, and discloses a steam condenser for traditional Chinese medicine extraction, which comprises a spiral water cooling structure, a rotary linear motion structure and an elastic resistance type pressure reduction structure, a discharge port fixedly installed at a liquid discharge port and internally provided with a spiral spring with a basic same elastic strength as a low pressure strength in the working state of a concentration tank and a valve plate extruded by the spiral spring and in a closed state. The steam condenser for traditional Chinese medicine extraction can be connected with a low pressure type concentration tank, has a small influence range on the low pressure state in the concentration tank, can guarantee the normal evaporation and concentration function of the traditional Chinese medicine liquid in the concentration tank, can condense high temperature steam and can produce a suction type driving effect on the high temperature steam in the concentration tank, so that the high temperature steam can be condensed in time, the condensed liquid can flow back to the concentration tank to be evaporated and concentrated again, and the effective utilization rate of the liquid medicine is improved.

The present disclosure provides a non-condensable gas reduction system that returns non-condensable gas contained in highly maintainable geothermal fluid to a reinjection well. **Solution**: A non-condensable gas reduction system used in a geothermal power plant, comprising: a gas-liquid separator that separates geothermal fluid gushing out from a production well into a first gas and a first liquid; a turbine rotated by the first gas; and a condenser that cools the first gas rotated by the turbine and condenses vapor contained in the first gas into a second liquid, the non-condensable gas reduction system further comprising: a pump that pressurizes a third liquid sent to a reinjection well; a plurality of ejectors driven by the third liquid, attracting non-condensable gas contained in the first gas and remaining uncondensed in the condenser, and discharging a fourth liquid in which the third liquid and the non-condensable gas are mixed; and a plurality of lines provided in parallel, including any one of the plurality of ejectors, wherein the first liquid and the fourth liquid are mixed and sent to the reinjection well.

The utility model relates to the technical field of injection water treatment, in particular to an injection water production device. According to the injection water production device, an evaporation chamber and a condensation chamber are arranged in a shell of a vertical evaporator, an evaporation tube bundle is arranged in the evaporation chamber, the inner wall face of the evaporation tube bundle forms an evaporation face, the evaporation chamber is used for containing raw water, and an outer cavity of the evaporation tube bundle forms the condensation chamber. The condensation chamber is used for introducing pure steam so as to condense the pure steam into distilled water while heating the raw water; the raw water pipeline is communicated with an inner cavity of the vertical evaporator, and the raw water pipeline is used for supplying raw water to the evaporation chamber to submerge the evaporation surface; the liquid outlet pipeline is used for guiding distilled water into the storage container. When water for injection is produced, pure steam is condensed into distilled water in the condensation chamber, water drops or fog drops are not easily mixed into the pure steam, the purity of the pure steam is high, and the follow-up treatment difficulty and treatment cost of the pure steam are reduced.

The application provides a steam condensate waste heat recycling device, and relates to the field of heat energy recovery.The steam condensate waste heat recycling device comprises a base, a heat preservation cylinder arranged on the base, and a synchronous adjusting mechanism arranged on the heat preservation cylinder.The steam condensate waste heat recycling device can conveniently collect condensate water into a required device, and the high-temperature condensate water can not lose a large amount of heat through a pipeline and a surface of equipment during a transmission process, so that heat energy is not wasted.The synchronous adjusting mechanism drives a conveying pump to quickly transfer the condensate water in the heat preservation cylinder to a required place, so that the condensate water recovery efficiency is improved.The synchronous adjusting mechanism solves the problem of waste of condensate water waste heat in the prior art.The synchronous adjusting mechanism solves the problem of equipment damage caused by heat shock in the prior art.The synchronous adjusting mechanism solves the problem of increased thermal resistance caused by scale accumulation in the prior art.

The invention provides a dead steam condensation waste heat recovery system with a gradually-shrinking Tesla valve structure. The dead steam condensation waste heat recovery system mainly comprises a compression type condenser with the gradually-shrinking Tesla valve structure, a condensation water tank, a vacuumizing device and a condensation water pump. The working process of the system comprises the steps that at the initial stage of commissioning, low-temperature dead steam enters the compression type condenser under the action of the vacuumizing device, the low-temperature dead steam is gradually compressed, heated and subjected to heat release by means of the one-way conduction, compression and acceleration effects of the gradual shrinkage type Tesla valve structure on fluid, latent heat in the dead steam is transferred to a cold source and converted into liquid water, and the liquid water enters the condensation water tank; and the condensate is pumped away by a condensate pump for cyclic utilization. The tapered Tesla valve is applied to dead steam waste heat recovery, no large rotating part is arranged in the whole compression heat release process, system operation can be maintained through a vacuumizing device, dead steam phase change boosts formation of high vacuum degree, dead steam suction is accelerated, and higher heat transfer efficiency and energy efficiency ratio can be obtained; as a cold end optimization solution, efficient condensation and waste heat recovery are achieved.

The utility model relates to the technical field of waste heat recovery, in particular to a waste heat boiler steam condensate recovery device which comprises a tank body, a discharge pipeline arranged at the top of the tank body, a steam pipeline communicated with the tank body and a backflow pipeline communicated with the bottom of the tank body. The periphery of the condensation plate is in contact with the inner wall of the tank body, and air holes are formed in the condensation partition plate; the connection position of the steam pipeline and the tank body is lower than the condensation partition plate. According to the utility model, the problem that secondary steam discharged by the blowdown expander can be directly discharged into the atmosphere to form loss is solved.

The invention relates to an extractive distillation device and a waste liquid recovery method. The extractive distillation device comprises an evaporator, a primary tower, an impurity removal tower, an extractive distillation tower and a product recovery tower which are sequentially communicated through pipelines; the evaporator is provided with a raw material inlet, a first liquid phase inlet, a first liquid phase outlet, a first gas phase outlet, a first steam inlet and a first steam condensate outlet, and the primary distillation tower is provided with a primary distillation gas phase inlet and a primary distillation liquid phase outlet; the first gas phase outlet is communicated with the primary distillation gas phase inlet through a pipeline, the first liquid phase inlet is communicated with the primary distillation liquid phase outlet through a pipeline, and the first liquid phase outlet is used for flowing out impurities. According to the device and the recovery method, MDG and NMF in the waste liquid are further separated by adopting the extraction agent, MDG and NMF products can be respectively recovered, and thus the industrial utilization value of the MDG and NMF mixture is expanded.

The traditional Chinese medicine fumigation device comprises a fumigation box and an elastic cushion fixedly connected to the top of the fumigation box, a top cavity and a fumigation cavity are formed in the top and the interior of the fumigation box respectively, and a cooling cavity is formed in the fumigation box; the cooling capacity of the cooling cavity is further improved by improving the heat dissipation effect in the cooling cavity, maintaining the cooling capacity of cooling liquid in the cooling cavity and cooperating with continuous supplement of condensed water after steam condensation after suction, and in the continuous fumigation process, the cooling capacity of the cooling cavity is further improved by means of the intermittent reversing effect of a single air pump and a control valve. Meanwhile, wiping and liquid absorption of skin at the fumigated back and maintenance of the cooling capacity of the cooling cavity are achieved, good contact of continuous fumigation of the back is guaranteed, long-acting high-quality fumigation is maintained, meanwhile, the cooling capacity of the cooling cavity is maintained, and it is guaranteed that in the continuous fumigation process, traditional Chinese medicine hot steam can maintain the temperature after cooling for fumigation, and the fumigation effect is good. The fumigation effect is comprehensively improved, and the use effect is good.

A solar heat pump coupled multi-stage humidification and dehumidification water treatment system and a working method thereof, the system comprising a water treatment circulating subsystem, a solar hot water circulating subsystem and a compression heat pump circulating subsystem; the working method is that raw liquid is heated by solar prepared hot water and a compression heat pump condenser, sequentially enters two-stage humidifiers to exchange heat and mass with air, preheats air and discharges; circulating air sequentially undergoes two humidifications in the two-stage humidifiers, is gradually cooled and dehumidified in a pre-cooler, a dehumidifier and a heat pump evaporator, is preheated by the discharged raw liquid and then undergoes the next cycle, and condensed water obtained by condensing steam in the air is collected into a fresh water tank after heat exchange in a heat pump subcooler. The present application uses the hot raw liquid after one-stage humidification to complete two-stage humidification, uses a pre-cooler, high flow raw liquid and a heat pump evaporator to complete multi-stage dehumidification, and uses the solar hot water system to simultaneously introduce the heat pump system, thereby realizing all-weather fresh water supply demand.