164 results about "Condensation process" patented technology

The invention discloses a control method of an air conditioner, the air conditioner and a storage medium, and relates to the technical field of air conditioners, the method comprises the steps that under the condition that the condensation risk exists in the air conditioner, a compressor of the air conditioner is controlled to operate at reduced frequency; state parameters are obtained, wherein the state parameters represent the condensation risk degree of the air conditioner; and when the state parameters meet the preset condition of the low condensation risk, a compressor of the air conditioner is controlled to operate in an up-frequency mode. The invention aims to improve the indoor refrigeration comfort in the anti-condensation process.

The invention relates to the technical field of energy utilization and recovery, in particular to a double-effect utilization system and method for heat energy in the white spirit distillation and condensation process, and the system comprises a collaborative steam supply module, a spirit receiving temperature control module, a high-temperature heat pump module, a normal-temperature heat pump module and a controller; according to the invention, the flow of the circulating cooling water in the distillation and condensation process is subjected to multi-point control, and the circulating cooling water with unstable quality is actively converted into a high heat source with constant temperature; a stepped recovery structure with a high-temperature heat pump and a normal-temperature heat pump matched is adopted, and the high heat source and the cooled low heat source are subjected to graded recovery; meanwhile, an energy internal circulation loop is constructed, heat source water entering the high-temperature heat pump is preheated through waste heat on the condensation side of the normal-temperature heat pump, and double-effect utilization of energy is achieved; through closed-loop feedback control, first steam generated by recovery and external second steam are synergistically mixed, and mixed steam with constant pressure is provided for a distillation process.

The invention provides a recovery system and a recovery method for edible vegetable oil production residues, and belongs to the technical field of edible vegetable oil processing. Comprising a multi-stage heating assembly, a cooling assembly and a sealed storage tank, the multi-stage heating assembly is used for continuously heating the edible vegetable oil-making residues so as to gasify the residual oil in the residues; an exhaust port of the multi-stage heating assembly is connected with an air inlet of the cooling assembly, so that gasified residual oil is condensed into liquid oil through the cooling assembly; an oil outlet of the cooling assembly is connected with an oil inlet of the sealed storage tank so that liquid oil can be conveyed into the sealed storage tank to be stored. According to the method disclosed by the invention, the residual oil in the oil-making residues of the edible vegetable oil is fully extracted by utilizing a unique multi-stage heating and gasification condensation process, so that the efficient recovery of the residual oil in the oil-making residues of the edible vegetable oil is realized, the resource utilization rate is greatly improved, the waste discharge is reduced, and the originally discarded residues are turned into wealth; and extra economic value is created.

The application belongs to the field of semiconductor device heat dissipation, and particularly relates to a self-circulation heat dissipation device and method of jet impingement enhanced boiling condensation. The heat dissipation device comprises a boiling section, a condensation section, a synthetic jet exciter and a working medium circulation channel. The two ends of the working medium circulation channel are respectively connected with the boiling section and the condensation section to form a working medium circulation loop. The synthetic jet exciter is provided with a lower outlet for connecting with the boiling section and an upper outlet for connecting with the condensation section, and further comprises a flow channel connecting the lower outlet and the upper outlet and a vibrating diaphragm located on the side wall of the flow channel. The alternating jet generated by the synthetic jet exciter and the suction effect actively and cooperatively strengthen the boiling and condensation processes, and the internal flow channel helps to realize efficient and rapid heat transport, so that the heat dissipation efficiency, response speed and working condition adaptability of high heat flux electronic devices are significantly improved under the premise of compact structure and reduced energy consumption.

The application discloses an energy-saving system suitable for coupling LNG cold energy power generation and ORC power generation, and belongs to the fields of ship engineering and energy saving. The LNG cold energy power generation system comprises an LNG storage tank (1), an LNG pump (11), an LNG evaporator (10), an LNG turbine generator (9), an NG reheater (7), a gas supply buffer tank (12) and the like. The application utilizes both LNG cold energy power generation and flue gas waste heat organic Rankine cycle (ORC) power generation, and the two are combined with each other. The cold energy released by LNG gasification is used for organic medium condensation, and the heat of the ORC evaporator comes from flue gas waste heat or cylinder jacket water. After LNG power generation, the LNG is reheated to a proper temperature to supply gas to the main engine, and the cold energy in the reheating process is used for organic medium condensation. The organic medium condensation process is completed in two condensers. A gas-liquid separator is arranged between the two condensers to reduce two-phase flow in the system and inhibit the negative influence of the sloshing working condition on the system during ship sailing.

The invention discloses a protection method for low-temperature corrosion of high-sodium coal pyrolysis gas. The protection method comprises the following steps: cooling chlorine-containing high-temperature gas generated by high-sodium coal pyrolysis to 400-600 DEG C in a temperature control manner, and feeding the chlorine-containing high-temperature gas into a high-temperature dust remover for dust removal; feeding the dedusted chlorine-containing high-temperature coal gas into a multi-stage waste heat recovery device for temperature control condensation, wherein the temperature control range is 300-40 DEG C; in the temperature control condensation process, a continuous and compact tar liquid film layer is formed on the wall of a heat exchange pipe of the waste heat recovery device in an attached mode; through the formed tar liquid film layer, chlorine-containing high-temperature coal gas is isolated from being in direct contact with the wall of the heat exchange pipe, and corrosion of chlorine elements to the wall of the heat exchange pipe is avoided. The self-repairing tar liquid film is formed on the heat exchange surface through accurate temperature control, and the problem that metal equipment is corroded by a chlorine-containing medium is solved by combining sodium adsorption and chlorine blocking mechanisms.

The utility model relates to the technical field of cooling tower water recovery, in particular to a hyperbolic-curve-type cooling tower water recovery system which comprises a water condensation structure arranged in a tower body in the axial direction of the tower body and a sound wave generator arranged on the inner circumferential wall of the tower body and corresponding to the water condensation structure. The water condensation structure comprises a plurality of longitudinally-arranged partition plates, and the sound production direction of the sound wave generator intersects with the partition plates. Sound waves generated by the sound wave generator interact with hot and humid air in the tower body, the molecular motion state of water vapor carried in the hot and humid air is changed under the action of the sound waves, the condensation process of the water vapor is accelerated, and the longitudinally arranged partition plates are matched with the sound wave generator to further promote the condensation effect. Water drops condensed under the action of sound waves are attached to the partition plate and slide down along the surface of the partition plate to be recycled, so that the amount of water vapor discharged out of the tower along with hot air is greatly reduced, the water evaporation loss of the cooling tower is remarkably reduced, and the utilization rate of water resources is effectively improved.

The invention provides a preparation method of N, N-diisopropylethylamine based on a liquid-phase compression synthesis process, which comprises the following steps: mixing ethanol with hydrobromic acid with specified concentration, and carrying out reactive distillation treatment in the presence of a phase transfer catalyst to generate bromoethane; p-bromoethane and diisopropylamine are subjected to a liquid phase addition and compression combination reaction, and a reaction mixture is obtained; and sequentially neutralizing, distilling, condensing and filtering the reaction mixture to obtain the N, N-diisopropylethylamine, so as to solve the problems that the existing preparation method of the N, N-diisopropylethylamine is high in energy consumption, high in operation risk, large in pollutant discharge amount, low in by-product resource utilization rate, low in cost and the like. The safety is poor; the energy efficiency is low; and by-products cannot be recycled.

The invention relates to the technical field of hydrogen production, in particular to a water evaporator device for an SOEC system and the SOEC system. The device comprises a box body which is internally provided with a cavity; the water evaporation channel is arranged in the cavity, and the water evaporation channel is used for receiving supply water provided by a water supply device; the condensation separation channel is arranged in the cavity, and the condensation separation channel is used for receiving mixed gas generated after the reaction of the electrolysis device; the water evaporation channel and the condensation separation channel form heat exchange coupling through a heat conduction path, when supply water and mixed gas enter the water evaporation channel and the condensation separation channel respectively, the supply water absorbs heat of the mixed gas and converts the heat into water vapor, and meanwhile the mixed gas is condensed and separated to form liquid water and hydrogen. The water vapor device integrates the functions of the original condenser, the water evaporator and the gas-liquid separator, so that the system is more compact, and meanwhile, the energy consumption in the water evaporation and gas-liquid condensation process is reduced.

The application discloses a kind of powder rubber conductive material by electrochemical exfoliation graphene promotes condensation and preparation method thereof, it is related to powder rubber preparation technical field, to solve the problem that existing method is not simple enough, product performance needs to be promoted;The application includes that anode piece is placed in electrolyte, through anodic electrolysis graphite material, while generating graphene, slowly add rubber emulsion, at this time, the graphene that anode is electrolyzed is combined with latex particle, and promotes condensation process in electrolyte, then after separation, washing, drying, obtain powder rubber;The application realizes electrochemical exfoliation graphene promoting condensation effect synchronously in electrolysis process, obtains conductive powder rubber, step is simple and easy to operate, and the powder rubber prepared has small particle size size and high powder rate, and particle is not easy to stick between, and dispersibility is good, and conductive performance is excellent.

The application discloses a preparation method of a nano TiO2 composite fluorescent whitening agent and relates to the technical field of fluorescent whitening agents. The method comprises the following steps: firstly, one-time condensation is carried out on cyanuric chloride and 4,4'-diamino-stilbene-2,2'-disulfonic acid; secondly, secondary condensation is carried out on diethanolamine, and quaternary ammonium is formed by using epichlorohydrin in the secondary condensation process; finally, tertiary condensation is carried out on amino nanoparticles, so that the nano TiO2 composite fluorescent whitening agent is obtained. The nano TiO2 composite fluorescent whitening agent prepared by the application has the characteristics of good ultraviolet aging resistance and water solubility.

The utility model relates to tail gas purification recycling technical field, concretely for PBT production tail gas purification recycling equipment, including air inlet pipe, condensing component, air outlet pipe and collection component, the condensing component includes condensing box, the inside one end position department of condensing box is provided with first hose, one end of first hose is provided with heat exchange component, one side of heat exchange component is provided with second hose, the inside one end of condensing box is provided with first spring, the inside other end of condensing box is provided with second spring. The utility model discloses through heat exchange component to PBT production tail gas condensation, and heat exchange component shakes in the inside of condensing box in the condensation process, improves the export speed of condensate, avoids the impurity adhesion heat exchange component's inner wall, improves the cooling efficiency, separates through the hydrophobic air permeable net after condensation, filters the impurity in the gas after condensation through activated carbon filter block, is favorable to the completeness of PBT production tail gas recovery.

The invention relates to the technical field of ethylene propylene rubber wet condensation processes, in particular to a method for improving the wet condensation effect of ethylene propylene rubber. The method comprises the following steps: in a wet condensation process flow, adding a prepared dispersant aqueous solution into a receiving tank, and enabling the dispersant aqueous solution to enter a condensation kettle under the action of circulating hot water. According to the invention, the diameter of the colloidal particles in the coagulation kettle can be 5-10mm, the colloidal particles can be ensured to have good dispersibility in the coagulation kettle, pipeline blockage, glue hanging and shaft sticking of the coagulation kettle are avoided, and the stable operation time of wet coagulation is prolonged.

The invention provides nitrogen-containing steel die casting covering slag and a preparation process thereof, and belongs to the technical field of covering slag. The invention relates to nitrogen-containing steel die casting covering slag which is prepared from the following components in parts by weight: 3 to 7 parts of iron oxide powder, 15 to 30 parts of wollastonite, 10 to 40 parts of flint clay, 8 to 18 parts of aluminum ash, 5 to 10 parts of silicon iron powder, 5 to 10 parts of quartz, 5 to 10 parts of lithium carbonate, 5 to 10 parts of sodium fluoride and 5 to 10 parts of laterite. The weight part of the silicon iron powder is 2-7 parts, the weight part of the quartz is 20-30 parts, the weight part of the lithium carbonate is 1-3 parts, the weight part of the sodium fluoride is 1-5 parts, and the weight part of the laterite is 10-25 parts. According to the nitrogen-containing steel die casting covering slag, through resource utilization of aluminum ash, the problem of nitrogen precipitation in the condensation process of a nitrogen-containing steel die casting ingot is solved, and the occurrence rate of subcutaneous pores and cracks of the nitrogen-containing steel die casting ingot is remarkably reduced.

Title of the invention: Method and apparatus for separating a mixture of CO2 and NOx by partial condensation. In a method for separating a mixture of CO2, NOx, and at least one component lighter than CO2 by partial condensation, the mixture is cooled and sent to the tank of a first scrubbing column (K1) fed at the top with a liquid (43, 45) containing at least 90 mol% CO2. A gas (5) depleted in NOx and enriched in CO2 exits the top of the first scrubbing column, and a liquid (3) enriched in NO2 and depleted in CO2 exits the tank of the first scrubbing column. The NOx-depleted gas is separated by partial condensation and optionally by distillation, forming at least one liquid (33, 38) enriched in CO2 and at least one gas (37) depleted in CO2. At least a portion (39) of one of the at least one CO2-enriched liquids is vaporized, compressed,cooled and sent as a gas to the tank of a second washing column (K3) fed at the top by a liquid (51) containing at least 90 mol% CO2, a gas (41) depleted in NOx and enriched in CO2 exits the top of the second washing column and a liquid (43) enriched in NO2 and depleted in CO2 exits the tank of the second washing column. FIG. 1,

This invention relates to the field of chemical waste gas treatment technology, and discloses a resource-based treatment process for VOCs-containing waste gas in fragrance production. S1, closed-loop collection of waste gas: VOCs-containing waste gas obtained during the synthetic oakmoss production process is introduced into a pretreatment adsorption tank via a pipeline. The tank is filled with modified alumina adsorbent to obtain pretreated waste gas. S2, the pretreated waste gas is introduced into an adsorption purification tower, which is filled with silica gel adsorbent and molecular sieve adsorbent to obtain purified waste gas. S3, the purified waste gas is condensed through a brine circulation system, the primary condensate is collected, and the remaining tail gas is introduced into a deep condenser. The deep condensation process yields secondary condensate, and the uncondensed tail gas enters the tail gas purification system. S4, the primary and secondary condensates are mixed and fed into a continuous atmospheric distillation column for separation and purification. Methanol is collected at the top of the column, and toluene is separated at the bottom. Methanol and toluene are fed into the upstream synthetic oakmoss production line, and the remaining tail gas enters the tail gas purification system.

The invention discloses a biogas water removal device and a use method thereof, and relates to the technical field of biogas water removal, the biogas water removal device comprises a first condensation mechanism, an adsorption mechanism and a second condensation mechanism, the first condensation mechanism is communicated with the second condensation mechanism, and the second condensation mechanism is communicated with the adsorption mechanism; the second condensation mechanism is arranged between the first condensation mechanism and the adsorption mechanism; the first condensation mechanism and the adsorption mechanism are both used for condensing water vapor in the biogas, and the second condensation mechanism is used for adsorbing residual water vapor in the biogas; the device has the beneficial effects that water vapor in biogas is condensed through the U-shaped gas conveying pipeline and the condensing device, in the condensation process, the height of the floating gas bag is slowly increased and decreased through buoyancy of accumulated water, then opening and closing of the water valve are achieved through the electric valve, and when water drainage is completed, part of water can be retained in the electric valve for liquid sealing; biogas is effectively prevented from being discharged from the water outlet; two switch sensing mechanisms in the adsorption mechanism are used for feeding back the condition of an adsorbent in the second condensation mechanism.

The application relates to a production device and method of a polypropylene product, and belongs to the technical field of olefin polymerization. The production system comprises a catalyst providing unit, a propylene providing unit, a prepolymerization unit, a comonomer providing unit, a reaction unit, a flash evaporation unit, a medium-pressure separator, a low-pressure separator, a condensation recycling unit, a purification bin and a monomer recycling system. The polymer degassing and propylene and comonomer recycling section of the production system only comprises a flash evaporation process, a gas-solid separation process, a compression and condensation process, a purging process and a membrane recycling process. The gas-solid separation process is carried out in three steps in the medium-pressure separator, the low-pressure separator and the purification bin, the washing, steaming, drying and propylene / ethylene stripping separation processes in the original loop body polymerization process are cancelled, the polymer degassing and propylene / comonomer recycling section process is greatly simplified, the layout is more compact, and the equipment investment and wastewater discharge are reduced.

The invention discloses an automatic cascade absorption type refrigeration cycle system capable of recycling rectification heat and condensation heat in a cascade mode. Aiming at the core bottleneck of low thermodynamic efficiency of an automatic cascade absorption refrigeration cycle system, the invention innovatively aims at the characteristics that the adopted multi-element mixed working medium has a remarkable temperature slippage effect in a condensation process and a rectification process, and a heat dissipation temperature area in the rectification process is higher than that in the condensation process. By constructing a cascade recovery strategy of condensation heat and rectification heat, the thermal load of the circulating system is remarkably reduced, and then the performance coefficient is effectively improved. According to the system, rectification heat and condensation heat of the high-temperature and high-pressure side are recycled in a stepped mode through a solution of the circulating low-temperature and low-pressure side, and negative effects on other links of circulation are basically avoided under the condition that sufficient heat recycling is achieved. The thermodynamic efficiency of the self-cascade absorption type refrigeration cycle system can be remarkably improved, and the device has outstanding practical value in the field of deep low-temperature absorption type refrigeration driven by low-grade waste heat.

The invention relates to the field of volatile oil, and discloses a volatile oil collector. A second three-way pipe fitting is arranged on the upper surface of an oil separator, a heavy oil outlet valve is mounted at a lower connector of the second three-way pipe fitting, the second three-way pipe fitting is mounted at the lower end of the oil separator, and a condensate water discharge pipeline is fixedly connected to a front connector of the second three-way pipe fitting. The oil separator is provided with a heavy oil outlet valve which can be used for controlling condensate water of the oil separator to directly flow into an extraction tank and a heavy oil outlet, and the arranged heavy oil outlet valve can be used for controlling a discharge switch of heavy oil, so that the pressure balance in the oil separator can be ensured, and the leakage of volatile oil can be effectively prevented; the arranged valve can be used for controlling the condensate water to flow to a discharge switch of the extraction tank, so that the condensate water can be effectively prevented from leaking in the process of flowing to the extraction tank, and the arranged condensate water discharge pipeline can be used for discharging the condensate water generated in the condensation process.

The application discloses a new process for purifying alcohol ultra-clean high-purity reagent by rectification-double membrane method, which comprises the following steps: firstly, removing heavy components in alcohol ultra-clean high-purity reagent raw materials by simple rectification technology to obtain alcohol ultra-clean high-purity reagent with purity higher than 99.9%; and then, separating the alcohol ultra-clean high-purity reagent by membrane separation technology to remove other low-boiling volatile organic matters, metal ions and insoluble impurity particles, and obtaining SEMIG5 or above grade alcohol ultra-clean high-purity reagent on the permeation side by condensation. In addition, the alcohol ultra-clean high-purity reagent on the rejection side of the permeation vaporization returns to the rectification tower, and the evaporation enthalpy of the distillation process and the vaporization enthalpy of the membrane separation process are combined, so that the energy loss in the repeated vaporization and condensation process is reduced, and the energy utilization efficiency is improved.

The utility model discloses a kind of gas-liquid separation devices for coal glycol, involve gas-liquid separator field.The utility model includes separation device main part, the outside of separation device main part is equipped with cover shell, the central axis of separation device main part is provided with guide pipe, the outside of guide pipe is fixedly provided with helical blade, the outside of helical blade is contacted with the inner wall of separation device main part, coil pipe is inserted in the clearance of helical blade, the clearance between the level of helical blade and the inner wall of separation device main part forms spiral channel for gas phase to flow, and coil pipe is through in channel, the utility model is through helical blade and coil pipe, helical blade and the inner wall of separation device main part form spiral channel, effectively prolong gas phase residence time, while coil pipe is directly embedded in helical blade clearance, realize the deep integration of condensation process and separation space, substantially improve the condensation efficiency of glycol vapor.

The invention discloses a tail gas treatment device and method for a chemical raw material esterification production line, and relates to the technical field of tail gas treatment.The tail gas treatment device comprises a bottom plate and a water tank fixedly arranged on the upper surface of the bottom plate, and cooling water needed by high-temperature tail gas treatment can be stored by arranging the water tank; and the cooling cylinder is located over the water tank, a communicating mechanism used for cooling tail gas is arranged at the position of an inner cavity of the cooling cylinder, and by arranging the cooling cylinder, a closed cavity space can be provided for the cooling and condensing process of the high-temperature tail gas. By arranging the communicating mechanism, high-temperature tail gas generated by the chemical raw material esterification production line can be guided and divided into multiple strands, so that the contact area of the high-temperature tail gas and cooling water in the inner cavity of the cooling cylinder can be increased, and the effect of rapidly cooling and condensing the high-temperature tail gas generated by the chemical raw material esterification production line is achieved; and the effects of fully cooling the high-temperature tail gas generated by the chemical raw material esterification production line and recovering the condensed esters are achieved.

This invention belongs to the field of condensation technology, specifically relating to a condensation container and a garment processing device. The invention aims to solve the problem of difficulty in controlling the timing of the water outlet's opening and closing. The condensation container of this invention has a water storage chamber inside. The condensation container is equipped with a first inlet, an outlet, and an exhaust port communicating with the water storage chamber. The outlet is located at the bottom of the water storage chamber, and the first inlet and exhaust port are both above the outlet. A thermal switch is installed at the outlet. The thermal switch opens the outlet when the temperature at the outlet is greater than or equal to a preset temperature and closes the outlet when the temperature at the outlet is lower than the preset temperature. The garment processing device of this invention has the aforementioned condensation container mounted on a sealed door. Through this design, the timing of the outlet starting and stopping drainage during the condensation process is precisely controlled, resulting in good condensation effect and avoiding water waste.

The application discloses a liquor distillation device and process, which comprises a distillation and steaming device, a first condenser and a steam permeation membrane assembly. The inlet of the distillation and steaming device is connected with a steam pipeline, and the outlet of the distillation and steaming device is connected with the first condenser and the steam permeation membrane assembly through valves respectively. The steam permeation membrane assembly comprises a high-temperature-resistant and solvent-resistant steam permeation membrane, and the permeation side outlet of the steam permeation membrane assembly is connected with the first condenser. The device and process combine high-temperature distillation and membrane steam permeation technology, optimize the existing liquor distillation process, realize efficient and low-energy-consumption liquor purification and recovery, and improve the added value. The liquor distillation device and process can separate liquor steam directly through the membrane assembly, reduce the energy consumption in the liquid-vapor phase change process, and use a traditional tap water heat exchange condensing system in the condensing process, which is helpful to further reduce the cost.

The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device in a biodiesel synthesis process, the waste gas treatment device comprises a bottom plate, a gas inlet pipe and an exhaust pipe, a flushing assembly is arranged on the surface of the bottom plate, and the flushing assembly comprises a first sealing box fixedly connected to the upper surface of the bottom plate and a plurality of heat conduction rods arranged in the first sealing box; the upper surface of the first sealing box is fixedly connected with a second sealing box, and the upper surface of the bottom plate is fixedly connected with a circular shell. Waste heat of waste gas is recovered through the heat conduction rod in the gas inlet pipe, water in the first sealing box is heated to generate pressurized water vapor, the pressurized water vapor is stored in the second sealing box, the high-temperature and high-pressure water vapor is used for flushing the wire mesh demister, viscous impurities such as glycerin and polymers can be accurately softened and stripped, and the flushing effect is better than that of common clear water; and meanwhile, waste heat recovery can reduce the temperature of waste gas in the gas inlet pipe, a foundation is laid for a subsequent condensation procedure, extra energy consumption for preparing a flushing heat source is not needed, and the energy-saving and blockage-clearing practicability is achieved.

The invention belongs to the technical field of mine water advanced treatment salt separation, and discloses a mine water advanced treatment salt separation device which comprises a salt separation device body, the salt separation device body comprises a tank body, a feeding port and an air outlet are formed in the upper portion of the tank body, and a condensation mechanism is arranged at the left end of the tank body; the condensation mechanism comprises a side plate installed at the left end of the tank body through bolts. Through the collaborative design of the tank body, the feeding hole, the gas outlet, the condensation mechanism and the discharging hole, a basic function closed loop of mine water salt separation, namely stable feeding at the feeding hole, heating evaporation of the tank body, condensation and water recovery of the condensation mechanism and salt discharge at the discharging hole, is realized, salt separation is completed, water is recovered and evaporated through the water tank, water resource waste is reduced, and the energy consumption is reduced. And meanwhile, the condenser is stably supported by the side plates, so that the condensation process is reliable, salt separation interruption caused by component looseness is avoided, and the operation stability of the device is improved.

This utility model relates to the field of phenolic resin production, specifically an energy-saving multi-stage condensation device for phenolic resin production. The device includes a housing with interconnected pre-cooling and cooling chambers inside. The pre-cooling chamber contains a heat dissipation module for initial cooling of steam, and the cooling chamber contains a cooling module for complete cooling of steam. The housing also includes a storage tank for liquid recovery. This energy-saving multi-stage condensation device for phenolic resin production can gradually reduce the temperature of steam through multiple stages, ensuring complete condensation. Compared to a single condensation process, multi-stage condensation improves overall thermal efficiency, reduces cooling water requirements, lowers energy consumption, and enables precise temperature control. Furthermore, the reduced cooling water usage helps minimize environmental impact.

The application provides an ethylene device cracking gas separation system and a separation method. The separation system comprises a multistage cryogenic unit, a first separation tank, a heat exchanger, a first membrane separation unit, a first compressor, a second membrane separation unit, a second compressor, a multistage series separation tank, a third membrane separation unit and a cryogenic demethanizer. The application separates most of the hydrogen in the ethylene device cracking gas through the multistage membrane separation unit, thereby increasing the partial pressure of ethylene in the condensation process, and further reducing the refrigeration load in the ultra-low temperature zone.

This invention provides a high-power heat pipe with anti-gravity capability. The heat pipe has a columnar structure, including an evaporation end, a condensation end, and a liquid storage end. The two sides of the evaporation end are connected to the condensation end and the liquid storage end, respectively. The evaporation end includes a capillary structure, a first shell, and a first connector. The condensation end includes a second shell, a third shell, a first end cap, a second end cap, a second connector, a connecting pipe, a cavity, and a second vapor channel. The liquid storage end includes a fourth shell, a third end cap, and a filling port. This invention achieves heat conduction through the evaporation and condensation of the working fluid at the evaporation and condensation ends. Driven by the pressure difference, the liquid working fluid returns to the liquid storage end through the connecting pipe and enters the capillary structure through the first connector, forming a self-circulating two-phase fluid loop. Simultaneously, by increasing capillary force and reducing flow resistance, the heat transfer power is improved, and the anti-gravity capability is enhanced. With a simple condensation section length design, it can be applied to various application scenarios.