252 results about "Cold side" patented technology

The present application relates to a kind of heat pump rectification systems based on heat shock flash circulation lift heat exchange, including rectifying tower, lift membrane reboiler, first throttling valve and heat shock heater, the secondary steam outlet of rectifying tower is connected with the heating steam import of lift membrane reboiler, the discharge port of the bottom of rectifying tower is connected with the cold side flow channel import of heat shock heater, and the cold side flow channel export of heat shock heater is connected with the feed inlet of lift membrane reboiler by first throttling valve;The vapor-liquid mixture outlet of lift membrane reboiler is connected with the column still liquid reflux port of rectifying tower, and the steam condensate outlet of lift membrane reboiler is connected with condensate tank, and the liquid outlet of condensate tank is connected with the condensate reflux port of rectifying tower side wall.The present application is combined by heat shock pressurization energy storage and throttling flash kinetic energy release, provides independent and stable lift membrane kinetic energy for lift membrane heat exchange, so that the flow pattern in the tube of lift membrane reboiler directly enters the efficient annular flow stage, improves the industrial applicability of lift membrane heat exchange technology in heat pump rectification system.

A cooling flow arrangement for a ceramic matrix composite (CMC) component of a turbine engine, wherein the CMC component includes a hot side configured for exposure to a hot gas path of the turbine engine and an opposing cold side. At least one cavity is provided in the CMC component, the at least one cavity having an entrance disposed on the cold side that is configured for receiving a cooling flow. A seal is disposed adjacent the at least one cavity and the cold side of the CMC component and is configured to provide a seal between the CMC component and an upstream turbine component. At least one hole extends through the seal and is positioned to provide the cooling flow to the at least one cavity of the CMC component.

The invention belongs to the technical field of chemical engineering, and relates to a method and a device for utilizing latent heat of a tower top gas phase in cyclohexanol preparation. Comprising a first separation tower, a second separation tower and the like, a tower top gas phase outlet of the second separation tower is connected with a hot side inlet of a second tower condenser, and a cold side outlet of the second tower condenser is connected with the first separation tower; a tower top gas phase outlet of the cyclohexene recovery tower is connected with the first separation tower; a tower top gas phase outlet of the cyclohexanol refining tower is connected with a hot side inlet of a refining tower condenser, and a cold side outlet of the refining tower condenser is connected with the second separation tower through a pipeline; an outlet of the hydration reaction system is connected with the first separation tower, and a tower kettle liquid phase outlet of the first separation tower is connected with an inlet of the second separation tower through a pipeline; a side line outlet of the first separation tower is connected with the hydration reaction system. The tower top gas phase latent heat of the second separation tower, the cyclohexene recovery tower and the cyclohexanol refining tower is recycled, so that the energy consumption in the cyclohexanol production process is reduced.

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition. This autonomous system ensures efficient performance, enhanced temperature stability, and optimal energy usage across a range of varying environmental conditions.

A downhole tool, a well system, and a method are provided. The downhole tool, in one aspect, includes a downhole feature, as well as expandable metal positioned proximate the downhole feature, the expandable metal configured to expand in response to hydrolysis. The downhole tool, in accordance with this one aspect, may further include a first electrode coupled between the expandable metal and a first terminal of a thermoelectric generator, the first electrode configured to provide a voltage to the expandable metal to increase or decrease a rate of reaction of the hydrolysis, and a second electrode coupled between the downhole feature and a second terminal of the thermoelectric generator, wherein the thermoelectric generator includes a hot side thermal conductor and a cold side thermal conductor separated by a thermoelectric module, the thermoelectric module including a plurality of n-type semiconductors and p-type semiconductors connected with each other.

A brush seal for use with a ceramic matrix composite (CMC) component of a gas turbine engine may feed a cooling flow to the CMC component, which has a hot side configured for exposure to a hot gas path of the gas turbine engine and an opposing cold side having a cavity for feeding a cooling flow to at least one film cooling hole of the CMC component. The brush seal includes: an outer diameter (OD) backing plate; an inner diameter (ID) backing plate; a plurality of brush seal bristles sandwiched between the OD backing plate and the ID backing plate; at least one hole forming a passage extending through the OD backing plate, the brush seal bristles, and the ID backing plate; and a cover plate attached to an inner surface of the ID backing plate and configured to extend into the cavity of the CMC component.

The invention relates to an efficient ice making device based on a semiconductor refrigeration scheme and suitable for a vehicle-mounted refrigerator. The technical problem that an existing vehicle-mounted refrigerator is low in refrigerating efficiency is solved. Comprising a refrigerator partition plate arranged on one side of a vehicle-mounted refrigerator, a semiconductor TEC is arranged on the side, away from the vehicle-mounted refrigerator, of the refrigerator partition plate, a liquid cooling plate evaporator is arranged on the side, away from the refrigerator partition plate, of the semiconductor TEC, and a refrigerant flow guide assembly connected with a whole vehicle air conditioner compressor system is connected into the liquid cooling plate evaporator. A cold conduction block is arranged on the side, close to and away from the refrigerator partition plate, of the semiconductor TEC and connected with an ice making box assembly on the side, located in the vehicle-mounted refrigerator, of the refrigerator partition plate. The invention has the advantages that the dual refrigeration design of the whole vehicle air conditioner compressor system and the semiconductor TEC can realize the deep refrigeration capability, the cold surface temperature of the semiconductor TEC can be controlled at-40 DEG C, and the ice-making capability of the semiconductor TEC is ensured; the heat transfer area can be increased through the freezing sword in various forms, and the ice making efficiency is improved.

The invention discloses a pulse tube refrigeration device based on a semiconductor refrigeration ring. The device comprises a compressor, a precooler, a heat regenerator, a cold-end heat exchanger, a pulse tube, a hot-end heat exchanger, a reducing cavity, an adjusting tube and an air reservoir which are communicated in sequence. The semiconductor refrigeration sleeve is arranged outside the heat regenerator, and the surfaces of the semiconductor refrigeration sleeve and the heat regenerator are tightly attached. The semiconductor refrigeration sleeve is formed by overlapping a plurality of annular semiconductor refrigeration sheets, the hot surface of each semiconductor refrigeration sheet faces upwards, the cold surface of each semiconductor refrigeration sheet faces downwards, and the cold and hot surfaces of every two adjacent semiconductor refrigeration sheets are connected through heat-conducting silicone grease. Temperature sensors are arranged at the top and the bottom of the semiconductor refrigeration sleeve to monitor the temperature difference in real time, and the control system adjusts the input current of the semiconductor refrigeration piece and adjusts the refrigeration power of the semiconductor refrigeration piece. Through the stacked structure of the semiconductor refrigeration rings, step-by-step reduction of the temperature is achieved, the cooling efficiency is remarkably improved, and accurate temperature control can be conducted. The device is compact in structure, high in reliability and suitable for the working environment with the high requirement for equipment stability.

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition.

The application relates to a hydrogen production system. The hydrogen production system comprises an electrolysis cell module and a steam heat pump module. The steam heat pump module comprises a heat pump assembly, a water storage tank and a flash tank. The heat pump assembly comprises a condenser. An outlet of the water storage tank is connected to a cold side inlet of the condenser. A cold side outlet of the condenser is connected to an inlet of the flash tank. An outlet of the flash tank is connected to an inlet of a fuel gas preheater. The steam heat pump module of the application only needs a small amount of electric energy to generate a large amount of water vapor. In the case of the same water vapor yield, the power consumption of the steam heat pump module is only about half of the power consumption of the water vapor generator, achieving a more energy-saving effect. In the case of the same power, the water vapor yield of the steam heat pump module is much larger than the water vapor yield of the steam generator, so that the hydrogen production system of the application can meet the demand of a high-power hydrogen production system.

The application provides a heat dissipation system of an electronic device, and relates to the technical field of electronic device heat dissipation. The heat dissipation system of the electronic device comprises: a first heat dissipation piece; a semiconductor refrigerator, the semiconductor refrigerator has a cold surface and a hot surface, the cold surface is used for contacting the electronic device, and the first heat dissipation piece is used for dissipating heat of the hot surface; and the semiconductor refrigerator is configured to absorb heat on the side of the cold surface and transfer the heat to the hot surface. The heat dissipation system of the electronic device provided by the application solves the problem of poor heat dissipation effect of a CPU in the prior art.

The utility model discloses an energy-saving system for ethanol rectification. The energy-saving system comprises a rectifying tower, a first-stage feed preheater, a second-stage feed preheater, a third-stage feed preheater, a tower top condenser, a heat pump compressor, a condensation reboiler and a reflux tank, the first-stage, second-stage and third-stage feed preheaters are sequentially connected with the rectifying tower; a tower top gas phase outlet of the rectifying tower is respectively communicated with a hot side inlet of the tower top condenser and an inlet of the heat pump compressor, an outlet of the heat pump compressor is communicated with a hot side inlet of the condensation reboiler, and a hot side outlet of the condensation reboiler is communicated with a heat source inlet of the three-stage feeding preheater; a tower kettle liquid extraction port of the rectifying tower is respectively communicated with a cold side inlet of the condensation reboiler and a heat source inlet of the secondary feeding preheater; a tower kettle liquid backflow port of the rectifying tower is communicated with a cold side outlet of the condensation reboiler; a first inlet of the reflux tank is communicated with a hot side outlet of the tower top condenser, and a liquid phase outlet of the reflux tank is respectively communicated with a tower top reflux inlet of the rectifying tower and a heat source inlet of the primary feeding preheater. The device can reduce the consumption of tower top cooling circulating water and tower kettle steam in the rectification process, and is economical and energy-saving.

The invention relates to the technical field of ammonia synthesis, and discloses a low-consumption conversion ammonia-containing wastewater separation and treatment device which comprises an ammonia washing tower, a comprehensive flash evaporator, an alternating-current cooler, a stripping tower and a tail gas separation tank. The first ammonia washing tower and the second ammonia washing tower are arranged in parallel, bottom outlets are communicated to the comprehensive flash evaporator through a seventh adjusting valve and an eighth adjusting valve, high-pressure ammonia-containing condensate is throttled and depressurized, and physical turbulent flow is induced in the flash evaporator to accelerate desorption of acid gas. And the flash evaporation lower liquid enters the cold side of the alternating current cooler through a condensate pipeline, absorbs heat from a gas phase at the top of the stripping tower for preheating, and then enters the stripping tower for countercurrent deep stripping. Purified condensate generated at the bottom of the stripping tower is discharged out of the system, and a tower top gas phase is fed into a tail gas separation tank for gas-liquid separation after being subjected to heat exchange by an alternating-current cooler and cooling by a circulating water cooler. Through high-pressure flash evaporation pretreatment and an internal thermal coupling mechanism, the saturated steam consumption of a steam stripping section is reduced, and the problems of crystal blockage and equipment corrosion are solved.

The application belongs to the field of aviation environmental control system design, and particularly relates to a bidirectional-ejection-based aircraft heat exchange system. The system comprises a ram air inlet channel, a heat exchanger and an air circulator. The ram air inlet channel comprises a ram air inlet section (1), a transition ejection section (4) and a ram air outlet section. The heat exchanger comprises an air-liquid heat exchanger (2), a first air-air heat exchanger and a second air-air heat exchanger. The air circulator comprises a first air circulator and a second air circulator. The bidirectional-ejection-based aircraft heat exchange system utilizes the principle of constant entropy ejection to limit the ram air flow entering the left and right ram air outlet channels, and integrates the cold side of the heat exchanger with the ram air inlet channel, and matches the dynamic pressure brought by the ram air with the flow resistance of the heat exchanger group, thereby effectively avoiding problems such as fan overspeed, windmill effect and surge of the air circulator.

The present application relates to the technical field of heating, and discloses a heating system, comprising an outdoor heat exchange device and an indoor heat exchange device. The outdoor heat exchange device comprises a plate heat exchanger; the indoor heat exchange device comprises a housing, a heat exchange tube, heat exchange fans, and a storage battery; the heat exchange tube, the heat exchange fans, and the storage battery are all mounted in the housing; the storage battery is electrically connected to the heat exchange fans and supplies power to the heat exchange fans; a first circulation pipeline is communicated between a liquid outlet of the heat exchange tube and a cold side inlet of the plate heat exchanger; a water pump used for conveying water in the heat exchange tube to the plate heat exchanger is connected in series on the first circulation pipeline; a second circulation pipeline is communicated between a cold side outlet of the plate heat exchanger and a liquid inlet of the heat exchange tube; a turbine generator is connected in series on the second circulation pipeline; and the turbine generator is electrically connected to the storage battery, and the generated electricity is stored in the storage battery. The present application has the effects of reducing the need for indoor wiring and power strips, and shortening the construction period of the heating system.

A fused salt heat storage system with a preheating function relates to the technical field of fused salt energy storage and comprises a deaerator, a fused salt tank and a heat exchanger. A coil pipe is arranged in a shell of the molten salt tank, the liquid inlet end of the coil pipe is communicated with the liquid outlet end of the deaerator, and the liquid outlet end of the coil pipe is communicated with a cold side inlet of the heat exchanger. Water output from the deaerator passes through the shell of the molten salt tank, hot water is generated under high-temperature heating of the molten salt tank, and the hot water enters the heat exchanger to slowly heat the heat exchanger, so that the heat exchanger is well protected. According to the fused salt heat storage system, no new equipment is added, preheating of the heat exchanger is achieved only through reasonable layout of pipelines, and cost is greatly saved.

This invention provides a refrigerant reuse refrigeration and cooling system for beer production, comprising: a refrigeration unit, which has a refrigerant outlet and a refrigerant return port; the refrigeration unit is configured to refrigerate the refrigerant input to the refrigerant return port and output the refrigerated refrigerant from the refrigerant outlet; and a cooling unit, which includes a first cooling device and a second cooling device; the first cooling device includes a first cold side and a first hot side that exchange heat with each other; the second cooling device includes a second cold side and a second hot side that exchange heat with each other; the outlet of the first cold side is connected to the inlet of the second cold side; the refrigerant outlet is connected to the inlet of the first cold side, and the outlet of the second cold side is connected to the refrigerant return port. This system improves the refrigerant utilization efficiency in the refrigeration and cooling system, thereby reducing the power consumption of the refrigeration system.

The invention discloses a test method for testing the heat conductivity coefficient of a refractory material through a low-thermal-resistance plate method and relates to the field of testing. The test method for testing the heat conductivity coefficient of the refractory material by the low-thermal-resistance flat plate method comprises the following steps: preparing the refractory material into hexagonal test pieces, and paving the hexagonal test pieces on the surface of a hexagonal boron nitride layer on a vapor chamber to form a flat plate, so that each edge of the hexagonal test piece positioned on the inner side is respectively clung to six adjacent hexagonal test pieces; embedding a hot surface thermocouple for detecting the temperature of the bottom surface of the hexagonal test piece on the inner side in the hexagonal boron nitride layer, placing the flat plate on a heating plate in a mold, and filling aerogel between the flat plate and the side wall of the mold; a cooling water jacket and a cold-surface thermocouple for detecting the temperature of the top surface of the hexagonal test piece are mounted on the top surface of the hexagonal test piece on the inner side; heating the vapor chamber and cooling the hexagonal test piece by using a heating plate and a cooling water jacket; and calculating the heat conductivity coefficient of the refractory material after the temperature of the vapor chamber is stable. The test method for testing the heat conductivity coefficient of the refractory material by the low-thermal-resistance plate method has the advantages of good reliability of test results, high precision and high efficiency.

The application discloses a nitrogen production system and method for high-temperature water-deficient environment oil fields, and relates to the technical field of oil and gas field development. The application comprises an air compressor, an oil remover, a cooler, a filter, a cold dryer, a separator, an instrument air storage tank and a PSA nitrogen production system, and a bypass pipeline is arranged between the filter and the cold dryer, a composite air cooler and a separator are arranged on the bypass pipeline, and an automatic temperature adjusting structure is formed by cooperating with valves V1 and V2, a temperature sensor and a PLC controller. When the temperature of compressed air is higher than 40 DEG C, the system is started to perform air cooling and temperature reduction through the bypass pipeline; when the temperature is lower than a threshold value, the bypass pipeline is closed to directly pass the cold dryer. A rotating contact cold disc, a ceramic ring, an arc-shaped flow guide strip and a hollow blade are arranged in the cold dryer to form a spiral flow path, so that the contact area of gas and a cold surface is increased. An automatic liquid discharge mechanism and a liquid level sensor are arranged to improve the gas-liquid separation efficiency.

The disclosure provides a hybrid energy storage system, wherein the Brayton cycle unit comprises a first compressor, a first air-salt heat exchanger and an air-air heat exchanger forming a circulation loop, the cold side of the first air-salt heat exchanger is provided with a first inlet and a first outlet, the cold side of the air-air heat exchanger is provided with a second inlet and a second outlet, and the second inlet is used for air entering; the energy storage unit comprises a molten salt heat storage unit, the molten salt heat storage unit is connected with the first inlet and the first outlet to form a circulation loop; a Rankine cycle unit is connected with the molten salt heat storage unit to generate power by obtaining heat; and the processing unit comprises a first unit, the first unit comprises a compression section and an expansion section connected with the compression section, the compression section is connected with the second outlet, has a gas compression function, and is connected with the molten salt heat storage unit to deliver first temperature heat to the molten salt heat storage unit and second temperature compressed air smaller than the first temperature to the expansion section, and the expansion section has a gas expansion function to generate power.

This invention discloses a tunable optical filter assembly, including a tunable optical filter, a substrate, a flexible circuit board, a temperature sensor, a heat sink, and a thermoelectric cooler. The flexible circuit board is disposed on the substrate. The tunable optical filter, temperature sensor, and thermoelectric cooler are all disposed on the metal layer of the flexible circuit board. The thermoelectric cooler is in close contact with the tunable optical filter, with its hot side in contact with the metal layer of the flexible circuit board and its cold side in contact with the heat sink. The heat sink is disposed on the thermoelectric cooler, and the heat sinks on both sides of the thermoelectric cooler contact the surface of the flexible circuit board while avoiding the metal layer of the flexible circuit board. Advantages: This invention uses irregularly shaped heat sinks, mounted in reverse using a TEC (thermal energy transfer circuit) onto a flexible strip containing a substrate. The total thickness is only 1.75 mm. Due to the large chamfer of the heat sink, the lens can penetrate deep into the center of the tunable optical filter assembly, increasing the actual thickness by 1.2~1.5 mm.

The invention discloses a natural gas and compressed air collaborative energy storage system and method for multi-type underground spaces. According to the system, first underground gas storage spaces and second underground gas storage spaces are distributed at intervals; the outlet end of the compressor is connected with the upper end of the first compressed air injection well through a heat exchanger cold side channel. The first air pump is connected with the upper end of the first compressed air recovery well and connected with the inlet end of the expansion machine through a heat exchanger hot side channel. The outlet end of the natural gas compressor connected with the overground gas storage is connected with the natural gas injection well I through an electric control valve; a gas inlet of the overground gas storage is connected with the upper end of the first natural gas recovery well through a second gas pump. The turbine generator is connected with the overground gas storage through a third gas pump and meanwhile connected with the heat exchanger. The method comprises the following steps: in an energy excess period, adopting a strategy of preferentially compressing air energy storage or preferentially compressing natural gas energy storage or alternately storing the compressed air energy storage and the natural gas energy storage at intervals, and in an energy shortage period, adopting a strategy of preferentially generating power or preferentially supplying gas or generating power and simultaneously utilizing natural gas for afterburning and improving efficiency. According to the invention, efficient utilization of energy can be realized.

The utility model relates to the technical field of waste gas recovery treatment, in particular to an NMP heat exchange recovery system which comprises a tail exhaust structure and further comprises a first heat exchange structure, a second heat exchange structure and a recovery treatment structure which are sequentially connected to the tail exhaust structure. The first heat exchange structure comprises a supporting frame, a plurality of hot side heat exchange channels arranged in the height direction of the supporting frame and a plurality of cold side heat exchange channels. A hot side filtering air inlet assembly connected to the tail exhaust structure is arranged at one end of the hot side heat exchange channel. The hot side filtering air inlet assembly comprises a hot side air inlet channel and a hot side filter arranged on the hot side air inlet channel. A cold side filtering air inlet assembly is arranged at one end of the cold side heat exchange channel and comprises a cold side air inlet channel and a cold side filter arranged on the cold side air inlet channel. Filtering, flow guiding and heat exchanging functions are integrated through the first heat exchanging structure, the installation occupied space needed by the waste gas treatment equipment can be effectively reduced, and the heat exchanging efficiency and the heat exchanging quality of unit area are improved.

The invention relates to the technical field of waste heat recovery, in particular to a stepped recovery system for waste heat of multiple temperature zones of an engine. The system comprises a flue gas recoverer with the hot side connected to a flue gas emission pipeline of an engine, and further comprises a first flue gas energy recovery pipeline, and the first flue gas energy recovery pipeline is sequentially connected with the cold side of the flue gas recoverer, the hot side of a plate type condenser, a liquid storage tank, a working medium pump and the cold side of a shell and tube heat exchanger in series in the medium flowing direction. A loop is formed; the supercharged air heat energy recovery system further comprises a supercharged air heat energy recovery pipeline which is sequentially connected with the water storage tank, the water suction pump, the cold side of the preheating heat exchanger, the cold side of the first air cooler and the hot side of the shell-and-tube heat exchanger in series in the medium flowing direction, and a loop is formed. According to the system, waste heat of different grades and different sources generated by the engine is systematically integrated and utilized in a gradient mode, an efficient and collaborative energy recovery system among all heat sources is achieved, and therefore the comprehensive heat efficiency of a ship power device is substantially improved.

The invention provides a heat dissipation device and a heat dissipation system for a multi-wavelength emission module, and relates to the technical field of photoelectric integrated module heat dissipation. Two opposite sides of the semiconductor cooler are configured to respectively form a cold surface and a hot surface in response to excitation of external direct current, and the cold surface is attached to a heat source area of the multi-wavelength emission module so as to perform heat exchange with the heat source area; the top of the heat dissipation module is attached to the hot face, the heat dissipation module comprises a plurality of layers of plate bodies arranged in the height direction, each layer of plate body is provided with a flow channel, and the heat dissipation module is constructed to receive cooling liquid flowing in from the outside, so that the cooling liquid flows through the flow channel in each layer of plate body, and heat of the hot face is taken away through the cooling liquid.

The invention discloses an electronic device. The electronic equipment comprises a heat source, a vapor chamber, a thermoelectric refrigerating unit, a first heat dissipation piece, a second heat dissipation piece and a fan. The heat source is provided with a first heat dissipation surface and a second heat dissipation surface which are oppositely arranged along a first direction; the soaking piece is located on one side of the first heat dissipation face and connected to a heat source in a heat conduction mode. The thermoelectric refrigerating unit is located on one side of the second heat dissipation face and provided with a cold face and a hot face, and the hot face deviates from the heat source compared with the cold face. The first heat dissipation piece is arranged on one side of the hot surface of the thermoelectric refrigerating unit, and the first heat dissipation piece is provided with a first air duct; the second heat dissipation piece is located on one side of the second heat dissipation face and provided with a second air channel, the second heat dissipation piece and the first heat dissipation piece are arranged in the second direction, and the second direction intersects with the first direction; the fan is communicated with the opening of one of the first air channel and the second air channel, and the first air channel is communicated with the second air channel. The electronic equipment is good in heat dissipation effect.

The invention discloses a cold and hot air isolated semiconductor refrigeration fan, and aims to provide a semiconductor refrigeration fan which can effectively isolate cold and hot air of the semiconductor refrigeration fan, avoid mutual interference and influence between the cold and hot air and facilitate reduction of power consumption of a semiconductor refrigerator. A partition plate is arranged in the shell and divides an inner cavity of the shell into a main chamber and a control chamber, the main chamber comprises a power chamber and a refrigerator chamber, a partition plate is arranged in the refrigerator chamber and divides the refrigerator chamber into a heat exchange chamber and a refrigerating chamber, an air inlet, a cold air outlet and a hot air outlet are formed in the shell, the air inlet is communicated with the power chamber, and the cold air outlet is communicated with the refrigerating chamber. The hot air outlet is communicated with the heat exchange chamber; the fan is arranged in the power chamber; the semiconductor refrigerator is arranged in the refrigerator chamber and comprises a cold surface and a hot surface, radiators are arranged on the cold surface and the hot surface, the radiators on the cold surface and the cold surface are located in the refrigerating chamber, and the radiators on the hot surface and the hot surface are located in the heat exchange chamber.

The invention relates to the technical field of heat exchange equipment, in particular to an efficient plate heat exchanger which comprises a shell assembly and a core plate assembly. The shell assembly at least comprises a rectangular pipe cavity, a hot air inlet, a hot air outlet, a cold side air outlet pipe and a cold side air inlet pipe. The core plate assembly comprises foundation plate pairs which are arrayed at equal intervals in the longitudinal direction; the front portion, the left side and the right side of the foundation plate are fixed through the auxiliary supporting pieces. The rear portion of the foundation plate is fixed through the main supporting piece. The main supporting piece comprises a main supporting plate and buckling lock bodies, and plate pair lock heads matched with the buckling lock bodies in a one-to-one inserting mode are arranged behind the lower end face of the base plate pair. According to the efficient plate heat exchanger, the foundation plate pair of the core plate assembly can be rapidly supported and fixed through the auxiliary supporting piece and the main supporting piece, according to the efficient plate heat exchanger, the spraying pipeline is arranged to introduce alkaline steam formed after low-temperature steam is blended, and the heat exchange efficiency is improved in cooperation with flue gas heat release.

The present invention relates to a system and a method for measuring the thickness of refractories comprising a heat flux measuring device (10) for measuring the flow of heat flowing from a hot face to a cold face of the refractory, a core (11) surrounded by a thermally insulating jacket (12) comprising, in which the core (11) conducts, between a first (11a) and a second (11b) face, heat from the hot face of the refractory to the cold face of the refractory; and a measuring apparatus (20) configured to: continuously measure the temperature on the first face of the core and on the second face of the core; determining the heat flux flowing through the heat flow measuring device (10) and determining the thickness of the refractory material by means of equivalent thermal conductivity of the refractory material.

The utility model provides a kind of dismantling-free cleaning plate heat exchanger, belong to heat exchanger equipment technical field.The technical scheme of the dismantling-free cleaning plate heat exchanger is, including heat exchanger body, still including cleaning liquid tank body and ultrasonic wave generating mechanism, heat exchanger body includes hot side port and cold side port, cleaning liquid tank body includes the storage cavity containing cleaning liquid, with the liquid outlet and liquid inlet of storage cavity and circulation pressurizing module, liquid outlet is communicated with hot side port or cold side port by first pipe line, liquid inlet is communicated with cold side port or hot side port by second pipe line, second pipe line is connected with filter mechanism, filter mechanism is at least used to filter the impurity in cleaning liquid, ultrasonic wave generating mechanism is connected on the outside wall of heat exchanger body.The utility model is switched first, second pipe line connection mode, independently controls cold / heat side cleaning path, and different types of dirt in hot side and cold side are handled pertinently.