542results about How to "Realize heat exchange" patented technology

The present invention relates to a tank for storing and withdrawing hydrogen by means of a reversible hydriding/dehydriding reaction, said tank consisting of a thermally insulated chamber that includes a plurality of elements (2) for storing hydrogen in the form of hydrides, each element having at least one surface for exchange with the gaseous hydrogen and at least one heat exchange surface, characterized in that it further comprises a plurality of heat storage elements (3) for preserving and releasing the heat that is associated with the reversible hydriding/dehydriding reaction.

The invention discloses a villiaumite cooling ball bed high-temperature stack core flowing heat exchange simulating experiment system. The system can perform two experiments of Dowtherm A heat-conducting oil flowing and heat exchange and can simulate the flowing heat exchange characteristic of high-temperature villiaumite under the working condition of low temperature. The experiment system can perform flowing experiment and heat transfer experiment on high Prandtl number heat-conducting oil in a bed ball channel and can realize flowing and heat exchange simulation of the villiaumite cooling ball bed high-temperature stack core FLiBe; and the experiment system has the advantages of high safety, high experiment data precision, low operating cost and the like.

The invention discloses a method for heating acid washing solution. The method comprises: (1) the acid washing solution in an acid washing tank 1 flows back into an acid circulation tank 2, is filtered through a filter 3 and is pumped into a heater 6 by an acid-resistant pump 4 through an inlet 5 of the heater, the heated acid washing solution is pumped into the acid washing tank 1 through an outlet 7 of the heater to form circulation, and the circulation is repeated in the way; (2) heating steam enters through a steam inlet 8 and is discharged through a steam outlet 9, so that the acid washing solution is kept at normal technological temperature all the time; and (3) acid mist which is generated during the acid washing process is concentrated through a mist collector 10 under the action of a mist exhaust fan 12 and enters an acid mist purification system 11 to be purified, and the mist which meets the emission standards is discharged to the atmosphere 13 through the mist exhaust fan 12. By the method, heat exchange is indirectly realized, the acid washing solution cannot be diluted, excessive acid mist is not generated, the acid mist cannot be leaked during the heat exchange process, and the heating process of the acid washing solution and the temperature of the acid washing solution can be automatically controlled through adopting a heat exchanger.

The invention discloses a fused salt heat storage and heat release peak load regulating system for a thermal power generating unit. According to the fused salt heat storage and heat release peak loadregulating system, a fused salt heat storage system, an I-stage fused salt low-temperature heat release system and a II-stage fused salt high-temperature heat release system are additionally arrangedon the basis of the original thermal power generating unit, and therefore peak load regulating of a power grid is realized through heat storage and heat release of fused salt; when the dispatching load of the power grid is decreased, part of high-temperature reheat steam is extracted from an outlet of a boiler reheater and exchanges heat with the fused salt in the fused salt heat storage system, and therefore consumption and utilization of the reheat steam in the electricity utilization off-peak season are completed; when the dispatching load of the power grid is increased, a part of high-pressure feedwater flowing to a high-pressure heater is divided into the I-stage fused salt low-temperature heat release system to exchange heat with the fused salt; and meanwhile, the steam discharge amount of a high-pressure cylinder is increased, part of increased exhaust steam of the high-pressure cylinder is fed into the II-stage fused salt high-temperature heat release system to exchange heat with the high-temperature fused salt, the heated steam enters an intermediate-pressure cylinder to apply work, the amount of the steam entering the intermediate-pressure cylinder and the output of a steam turbine can be increased, and the electric power of the thermal power generating unit can be rapidly increased.

The invention discloses a mass concrete temperature intelligent monitoring and controlling device, which comprises a circulating pipeline formed by sequentially connecting a water supply device, a water distribution device, a concrete cooling system and a water return device, wherein the concrete cooling system is internally provided with a temperature monitoring device; and a centralized controlsystem which is respectively connected with the water supply device, the water distribution device, the concrete cooling system and the water return device. The concrete cooling system comprises a cooling water pipe arranged in the concrete. Usage of the device comprises a concrete cooling system setting step, a monitoring device setting step, a water distribution device setting step, a water supply device setting step, a water return device setting step, a mass concrete construction preparation step, a data acquisition step, a water supply pressure stabilization step, an alarm step, a hot water tank drainage step and a cold water tank water replenishing step. By the adoption of the mass concrete temperature intelligent monitoring and controlling device, water supply pressure can be stabilized, different water inlet temperatures and flow rates of each layer can be dynamically adjusted, temperature field change in the mass concrete can be developed according to a target of temperature control, and an alarm function is equipped, so that the problems that a temperature difference of each region of the mass concrete is too large and cracks are easy to generate are solved.

The invention relates to a heat exchange device and a thermal management system. The device (40) is equipped in a thermal management system and includes a first heat exchanger (10) allowing a cooling fluid to pass, a second heat exchanger (36) allowing carried hot fluid to pass. The device (40) includes a heat storing member (M) for heat exchange with first and second heat exchangers (10, 36). The thermal management system (1) includes such a heat exchange device (40).

The invention discloses a winding tubular heat exchanger provided with a vertical partition plate in a cavity. The winding tubular heat exchanger comprises a housing and a central barrel. The central barrel is arranged in the cavity of the housing to form an annular cavity. A plurality of winding tubes are winded in the annular cavity. A plurality of metal pore plates are arranged in the annular cavity and are vertically arranged in the annular cavity, and the winding tubes penetrate through the through holes formed in the metal pore plates. One end of each metal pore plate is connected to the inner wall of the housing, and the other end of each metal pore plate is connected to the outer wall of the central barrel. A gas-liquid even distributing device is arranged in the cavity between the metal pore plates and the top of the housing. The metal pore plates are vertically arranged in the cavity, so that one whole cavity is divided into a plurality of independent cavities, and refrigerants in the independent cavities do not flow into other cavities. Therefore, it can be ensured that liquid films of the housing-side refrigerants flowing into the independent cavities and an in-tube working medium inside the cavities perform full heat exchange, and the phenomenon that the refrigerants flow into other independent cavities due to hull inclination and then invalid heat exchange inside the original cavities is caused is avoided.

The invention belongs to the technical field of natural resource using and discloses a passive heat collecting, sunshading and ventilation integrated window which is characterized in that on the basis of natural ventilation, the naturally-adjustingheating cooling technologies such as passive solar energy converting, air cycling heat collecting and dissipation and sunshading are used for achieving all-year-round indoor environment comfort. Multifunctional modules are divided into a heat collecting module, a sunshading module and a ventilation module. The window mainly comprises an inner glass layer, an outer glass layer, a solar photoelectric plate, a double-color sunshading louver, an outdoor ventilator, an indoor ventilator, a ventilator outer layer fixing louver, a ventilator inner layer movable adjusting louver and the like. The window has the advantages that during indoor environment adjusting, different module systems are matched for use so that a building can be adjusted naturally, and solar energy, wind energy and other natural energy are collected, converted and stored. Passive solar energy is widely used in buildings, and great significance in the technical field of building integrating is achieved.

The invention relates to a passive solar energy wall, which comprises a concrete wall body with internal and external plastering layers. The passive solar energy wall is characterized in that the external plastering layer of the concrete wall body is in internally provided with a heat pipe evaporation section transistor gate and the internal plastering layer of the concrete wall body is in internally provided with a heat pipe condensation section transistor gate. The heat pipe evaporation section transistor gate and the heat pipe condensation section transistor gate are connected via an intelligent control valve to form a heat pipe-imbedded wall. The outer side of the concrete wall body is provided with an elevating louver cascade with a reflective coating layer. The outer side of the reflective coating layer-contained louver cascade is provided with a glass curtain wall. The heat pipe-imbedded wall and the glass curtain wall together form the entirely passive solar energy wall and the wall can be southward, eastward or westward. According to the technical scheme of the invention, the internal and external surfaces of the wall are provided with heat pipe transistor gates, the glass curtain wall and a ventilation structure. Therefore, the phase change-based heat absorbing and releasing property and the air heat convection property during the natural gravity cycling process are realized based on a working medium inside a heat pipe. As a result, the heat exchange between the indoor environment and the outdoor environment is realized.

The invention discloses a clean fresh air system which comprises a fresh air channel (1), an air feeding channel (2), an air returning channel (3), an air exhaust channel (4) and a bypass system. The fresh air channel (1) and the air exhaust channel (4) are respectively communicated with the outside of a room. The air returning channel (3) and the air feeding channel (2) are respectively communicated with the inside of the room, an exhaust fan (5) is arranged in the air exhaust channel (4), an air feeder (6) is arranged in the air feeding channel (2), and the collecting area of internal ports of the fresh air channel (1), the air feeding channel (2), the air returning channel (3) and the air exhaust channel (4) is provided with the bypass system. Due to the design of the bypass system and an air valve, heat exchange between fresh air and exhausted air and the backflow function of return air are achieved, high use flexibility and adaptability to environment are achieved, the energy-saving effect is good, and the capacity of filtering impurities is strong.

The invention relates to a method for breaking an electrically fused magnesium fused weight and simultaneously recovering waste heat by a dry quenching method, which belongs to the field of electrically fused magnesium smelting and provides an energy-saving technology for recycling the waste heat in the cooling process of the magnesium fused weight. The heat energy of the high-temperature magnesium fused weight is recovered by the dry quenching method in the cooling process of the magnesium fused weight, steam is generated through a heat exchanger by heat circulating gas which is obtained by adopting a direct countercurrent flow method of the air and the high-temperature magnesium fused weight, the steam is utilized for generating electricity, and the invention is used for the magnesite smelting process, achieves the purpose of energy saving, is beneficial to reducing the energy consumption level of electrically fused magnesium, achieves the coupling optimization of waste heat utilization and electrically fused magnesium quality improvement and has remarkable economic and social benefits.

The invention discloses an integrated micro-channel heat dissipation structure. The heat dissipation structure comprises a shell with a cavity, a plurality of first-stage fins which are arranged in parallel at intervals are arranged in the cavity, second-stage fins are arranged on the two sides of the first-stage fins and the inner side of the shell, the second-stage fins are formed by arranging a plurality of sheet-shaped cooling fins at intervals, and a liquid inlet for a cooling medium to enter and a liquid outlet for the cooling medium to flow out are formed in the top surface of the shell. The invention further discloses a preparation method of the integrated micro-channel heat dissipation structure and a wafer-level packaging structure adopting the integrated micro-channel heat dissipation structure. The heat dissipation structure has the advantages that the heat exchanger is provided with two stages of heat exchange fins, and the heat exchange area is dozens of times of the chip contact area; the heat dissipation structures are both made of silicon materials and are connected in a silicon-silicon bonding mode, due to the fact that only hundreds of micrometers of silicon materials exist between the refrigeration working medium and the heat source, the thermal resistance between the refrigeration working medium and the heat source can be reduced to the limit, the heat dissipation problem of the high-power chip is solved, and thermal mismatch of heterogeneous materials does not exist.

The invention relates to an anti-icing and deicing device and method for wings and emages of a turbo-prop aircraft, the device comprises a system close loop, a TKS fluid reservoir heating loop, an anti-icing and deicing heat transfer loop heat pipe, a distributed loop heat pipe and a TKS deicing mechanism, wherein the system close loop, the TKS fluid reservoir heating loop and a heat transfer loopshare a set of heat transfer evaporator (1), in an anti-icing state, the TKS fluid reservoir heating loop, the anti-icing and deicing heat transfer loop heat pipe and the distributed loop heat pipe work; in a deicing state, the TKS deicing mechanism works. Compared with the prior art, the TKS system deicing efficiency is improved greatly, the icing phenomena of the wings and the emages are reduced, the flight stability of the aircraft is ensured, and the system safety is reliable; waste heat of an exhaust pipe is taken as a heat source, and the energy comprehensive utilization ratio of a single turbo-prop aircraft is improved.

The invention discloses a method for combined production of ammonium sulfate and ammonia through water heat pump flash evaporation, stripping and deamination. The method comprises the following steps: ammonia nitrogen steam discharged from the top of the stripping section of a composite stripping and deaminating tower (3) is pressurized through a steam circulating heat pump (11), and the pressurized ammonia nitrogen steam is divided into three parts; the first part of the ammonia nitrogen steam enters the two stage mixing section of the composite stripping and deaminating tower (3) to heat ammonia nitrogen wastewater; the second part of the ammonia nitrogen steam enters a saturation tower (4) and undergoes ammonia nitrogen preliminary absorption, and the absorbed ammonia nitrogen steam enters an absorption tower (5) and undergoes ammonia nitrogen purifying recovery; and the third part of the ammonia nitrogen stem enters the tower top rectifying section of the composite stripping and deaminating tower (3) to produce the ammonia water product. The method allows ammonium sulfate and ammonia water to be simultaneously produced, and a ratio of ammonium sulfate to ammonia water can be adjusted according to reuse requirements of a production device, so ammonia nitrogen recovered from the wastewater can be completely reused in the production device in order to realize good energy saving, consumption reduction and deamination effects.

The invention discloses a heat exchanger for heat exchange between liquid sodium metal and air, comprising a cylinder, wherein, an outlet air door is arranged at the top of the cylinder, and an inlet air door is arranged at the bottom. The invention is characterized in that an expansion tank is arranged at the upper part of an intracavity of the cylinder; an argon gas inlet connection is arranged at the top of the expansion tank, while the bottom is communicated with a sodium inlet pipe; the cylinder body is communicated with a heat exchange pipe bundle communicated with a sodium outlet pipe. The invention has the advantages that heat is taken away when air passes through the surface of heat exchange pipe bundle, enabling heat exchange between sodium and air; meanwhile, the chemical reaction between sodium and air is avoided due to inactivity.

The invention relates to a power supply cooling unit which comprises at least two plates (a first plate (1) and a second plate (2)) which are arranged in a laminated mode, wherein the peripheries of the plates are fixedly connected in a hermetic mode; a coolant flow channel is arranged between every two plates; the central heat exchange region of at least one plate in every two adjacent plates is provided with a surface pattern and a barrier section (6); the length of the barrier section (6) is less than that of the plate; after the adjacent plates are fixedly connected in a hermetic mode, the barrier sections (6) of the adjacent plates mutually compact and contact, or the barrier section (6) on one plate and the other plate mutually compact and contact, so that the coolant flow channel is intercepted into a U-shaped route by the barrier section; and the surface pattern sinks to the inside of the coolant flow channel, and is arranged approximately along the U-shaped flow route of the coolant, thereby maximally prolonging the flow time of the coolant in the cooling unit.

The invention discloses a high-pressure composite metal hydride hydrogen storage tank and a hydrogen storage method thereof. The hydrogen storage tank comprises a base support and a hydrogen storage tank shell with an opening in the bottom, and the hydrogen storage tank shell is installed on the base support in a sealed and buckled mode. A hydrogen inlet and a hydrogen outlet are formed in the hydrogen storage tank shell. A hydrogen storage alloy storage space, a gaseous hydrogen storage gap and a circulating heat exchange system are arranged in the hydrogen storage tank shell. The hydrogen storage alloy storage space is filled with hydrogen storage alloy, and the circulating heat exchange system is used for absorbing heat when the hydrogen storage alloy absorbs hydrogen and heating the hydrogen storage alloy when the hydrogen storage alloy releases hydrogen. According to the high-pressure composite metal hydride hydrogen storage tank and the hydrogen storage method thereof, a gas hydrogen storage gap is formed in the hydrogen storage tank, the size of a reserved gap can be adjusted according to the requirement of hydrogen storage mass density, hydrogen storage of different mass densities is achieved, the advantages of high mass density of high-pressure gas hydrogen storage and high volume density of solid hydrogen storage are fully combined, and the volume of the solid hydrogen storage part is adjusted, the purpose of storing more hydrogen under equal pressure is achieved.

The invention discloses a chemical heat exchange device. The chemical heat exchange device comprises a main shell body, an inner cavity liquid inlet pipe, an inner cavity liquid outlet pipe, an outercavity liquid inlet pipe and an outer cavity liquid outlet pipe, wherein the main shell body comprises a front shell head, a shell pipe and a rear shell head, and a front seat plate, a rear seat plate, a plurality of inner liquid inlet pipes and a plurality of inner liquid outlet pipes are arranged in front of the main shell body. An inlet self-dredging structure and an outlet self-dredging structure are arranged in front of the main shell body, wherein the inlet self-dredging structure comprises an inlet fixed plate, an inlet movable plate, a plurality of inlet springs and a plurality of inlet dredging inhaul cables, and the outlet self-dredging structure comprises an outlet fixed plate, an outlet moving plate, an outlet limiting block, a plurality of springs and a plurality of dredging inhaul cables. The chemical heat exchange device has the beneficial effects that the structure is reasonable, different liquid passages can be provided for the two liquids that need heat exchange, andtherefore heat exchange between the two liquids can be realized; and in the heat exchange process, the contact area is large, and the heat exchange effect is good. The chemical heat exchange device also has an automatic dredging structure to avoid the internal blockage problem.

The invention relates to a sintering flue gas SCR denitration and vapor removal system. The system comprises a flue gas condensation vapor-removal defogging dedusting tower, a heat exchange device, ahot-blast stove, an ammonium hydroxide evaporator, a dilution fan, an ammonia injection grid, an SCR denitration reaction device and a flue gas exhaust device. The heat exchange device is arranged between the flue gas condensation vapor-removal defogging dedusting tower and the SCR denitration reaction device. The heat exchange device is used for heat exchange on flue gas to be denitrated or denitrated flue gas to change the temperature, an original flue gas outlet of the heat exchange device is connected with a gas inlet of the SCR denitration reaction device through a second main flue, the hot-blast stove and the ammonia injection grid are arranged in sequence in the flowing direction of the flue gas in the second main flue, and the ammonium hydroxide evaporator and the dilution fan arearranged between the ammonia injection grid and a gas outlet of the SCR denitration reaction device. The sintering flue gas SCR denitration and vapor removal system can carry out SCR denitration on desulfurated sintering flue gas while carrying out vapor removal treatment, the effect of purifying sintering flue gas desulfurated with a wet method is improved, and environmental pollution is reduced.

The invention discloses a novel heat exchange stirring shaft, and belongs to the field of chemical reaction devices. The novel heat exchange stirring shaft comprises a main shaft, wherein a first chamber and a second chamber which are isolated from each other are formed in the main shaft; an opening is formed in each of the first and second chambers at one end of the main shaft; a first connecting pipe communicated with the first chamber is arranged on the main shaft; a second connecting pipe communicated with the second chamber is arranged on the main shaft; at least one spiral pipe for communication is arranged between the first and second connecting pipes. According to the novel heat exchange stirring shaft, a heat exchange medium is introduced into an inner communicated pipeline area to implement heat exchange in a reactor; by a structure formed by spirally winding the main shaft with the spiral pipe, a function of stirring a reaction raw material is realized, and meanwhile, the reaction raw material is driven to be delivered to one end of the axial direction of the main shaft; a heat exchange pipeline can be in contact with the reaction raw material more fully by the rotary movement of stirring columns, so that the heat exchange efficiency is greatly improved.

The invention discloses a multitube heating rotary pulverized coal pyrolysis system, including a feeder, an outlet gas gathering and distribution box, a preheater, a transmission mechanism, a rotating cylinder body, a heating pipe, a riding wheel device, an air inlet gas gathering and distribution box and a gas guiding device. The rotating cylinder body supports on the riding wheel device, and is driven by the transmission mechanism; a feed end of the rotating cylinder body is provided with the outlet gas gathering and distribution box, and a discharging end of the rotating cylinder body is provided with the inlet gas gathering and distribution box; The rotating cylinder body is provided with the heating pipe, both ends of the heating tube are respectively connected with the inlet gas gathering and distribution box and the outlet gas gathering and distribution box; the feeder is connected with the charging end of the rotating cylinder body through the gas gathering and distribution box; the gas guiding device is connected with the discharge end of the rotating cylinder through the gas inlet gathering and distribution box; and the feeder is installed on the upper part of the preheater, and is connected with the gas outlet gathering and distribution box. The invention realizes the scale pyrolysis of pulverized coal, and creates conditions for improving the comprehensive utilization and economic value of pulverized coal.