2428results about "Stationary plate conduit assemblies" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The invention provides a plate heat exchanger which is characterized in that a first plate sheet comprises a first trough and a second trough which are adjacent, the first trough and the second trough are sunken downwards relative to the same reference plane P1, and the depth of the first trough is larger than that of the second trough; the second plate sheet comprises a first wave crest and a second wave crest which are adjacent, the first wave crest and the second wave crest protrude upwards relative to the same reference plane P2, and the height of the first wave crest is larger than that of the second wave crest; the first wave crest and the first wave trough are mutually contacted and fixedly welded; the second wave crest is at least partially opposite to the second wave trough, and the height of the second wave crest is unequal to the depth of the second wave trough. According to the plate heat exchanger, through the structural design, the surfaces of the two heat exchange plates forming the inter-plate flow channel have different flow resistances, and flow channels with asymmetric sections are formed between the plates, so that the turbulence degree is larger when fluid flows through, and the heat exchange performance of the heat exchanger is improved.

The utility model discloses a plate heat exchanger, belongs to the field of air pre-heaters, solves the problem that in the prior art, plates of a plate heat exchanger are prone to damage when heat exchange is conducted in dust-containing flue gas, and adopts the technical scheme that the plate heat exchanger comprises a heat exchange plate, and the heat exchange plate is formed by welding and fixing two thin plates through a plurality of welding parts; the non-welded portions of the thin plates are far away from each other to form a gas flowing cavity, the edges, close to the smoke flowing-in side, of the two thin plates of the heat exchange plate are first ends, the first ends are fixed through welding parts, guiding pieces are installed at the first ends, and the thickness of the guiding pieces is larger than that of the two thin plates. The dust-containing flue gas heat exchanger is mainly used for realizing heat exchange in dust-containing flue gas at low cost.

The present invention relates to a refrigerant manifold including a first housing having one surface in which a first refrigerant channel is formed, and the other surface on which a plurality of component mounting parts are formed, a middle plate stacked on one surface of the first housing and configured to cover and block the first refrigerant channel, and a second housing having one surface on which a plurality of flange mounting parts are formed, and the other surface in which a second refrigerant channel is formed, the second housing being stacked on one surface of the middle plate, in which the plurality of component mounting parts are formed in a first direction, and the flange mounting part is formed in a second direction different from the first direction.

The invention relates to a shell-and-plate heat exchanger with independent plate pairs. The shell-and-plate heat exchanger comprises a shell, end plates, heat exchange plate pairs, a frame, a supporting rail, a liquid distribution pipe, a liquid condensation pipe, inter-plate supporting strips and a steam inlet pipe. The shell is of an oval cylindrical structure, a steam inlet, a secondary steam outlet, a feeding port, a discharging port and a condensate outlet are formed in the shell, the steam inlet and the secondary steam outlet are formed in the top of the shell, the steam inlet is connected with the steam inlet pipe, and the condensate pipe is arranged at the bottom of the shell and connected with the condensate outlet. A supporting rail used for supporting the frame is arranged below the inner wall of the shell, the frame is arranged on the supporting rail in a sliding mode, a plurality of heat exchange plate pairs are detachably arranged on the frame, steam inlet branch pipes are arranged on the upper portions of the heat exchange plate pairs and used for introducing steam into the heat exchange plate pairs, and condensate branch pipes are arranged at the bottoms of the heat exchange plate pairs and used for introducing condensate into the heat exchange plate pairs. And the heat exchange plate pair is used for discharging steam condensate in the heat exchange plate pair. The heat exchange plate pairs are distributed in the positioning clamping grooves of the frame at equal intervals, and inter-plate supporting strips are arranged between the adjacent heat exchange plate pairs.

To provide a cooling heat exchanger having a novel structure that can improve cooling performance by efficiently causing a flow of the heat medium to overcome protrusions while stably flowing the heat medium in a cooling flow path. [Solution] A cooling heat exchanger that has a cooling flow path (16) formed inside, through which a heat medium for cooling flows, and that cools a cooling object (17) placed on a cooling surface (18), wherein the cooling flow path (16) has protrusions (34) that disrupt the flow of the heat medium, protruding from the bottom surface of the cooling flow path (16), the protrusions (34) extending across the entire width of the cooling flow path (16), and both ends of the protrusions (34) each serve as connecting ends (54) that continue with the side wall portions of the cooling flow path (16), and the connecting ends (54) of the protrusions (34) are formed as flow adjustment sections (56) that are concave toward the bottom surface and extend in the flow direction of the cooling flow path (16).

A heat exchanger according to the present invention includes plates each having, at one side thereof, an inlet port into which a fluid is introduced, and a first junction port having a periphery protruding upward, and having, at the other side thereof, an outlet port from which the fluid is discharged, and a second junction port having a periphery protruding upward, and a heat dissipation fin seated on an upper surface of the plate and having at least one non-heat dissipation fin portion formed by cutting a predetermined region of the heat dissipation fin in a direction parallel to a direction from one side to the other of the plate, in which the heat dissipation fin may be inserted between the pair of stacked plates.

The invention relates to a novel quick-response plate heat exchanger based on a blade type phase change composite material, and aims to solve the problems that a refrigerating system of existing high-power equipment is large in size, too large in weight, low in response speed and low in efficiency. Therefore, the novel fast-response efficient plate heat exchanger is obtained. Compared with a traditional heat exchanger system, the weight of the novel quick-response plate heat exchanger is reduced by more than 91%, the response time is short, and the novel quick-response plate heat exchanger can be popularized and applied to any high-power equipment as an independent integral heat exchange system.

The invention provides a sheet bar. The size of the sheet bar in the length direction is smaller than or equal to 300 mm. The plate sheet is provided with a main heat exchange area, and is provided with a flat plate part and a plurality of corrugated structures which are positioned in the main heat exchange area; the plurality of corrugated structures are arranged at intervals and protrude relative to the flat plate part; the front side and the back side of each plate correspondingly form a circulation channel for a refrigerant to flow and a circulation channel for a secondary refrigerant to flow in the main heat exchange area of the plate, the channel volumes of the two circulation channels are different, the side, where the circulation channel with the smaller volume of the plate is located, of the plate is used for circulation of the refrigerant, and the side, where the circulation channel with the larger volume of the plate is located, of the circulation channel is used for circulation of the secondary refrigerant. The corrugated structure is provided with at least one extension section; the extension section is obliquely arranged relative to the length direction of the sheet bar, and an included angle beta formed between the extension direction of the extension section and the length direction of the sheet bar is greater than or equal to 65 degrees and less than 90 degrees. The plate heat exchanger applying the plate sheet is good in overall heat exchange performance under the condition of small-size plate sheets, and fluid pressure drop is considered at the same time.

The utility model discloses an efficient wide channel welding plate heat exchanger which comprises a support, a pressing device is arranged on the left side of the support, the pressing device comprises a push rod, a sliding rail, a swing rod, a gear motor and a supporting block, the push rod is connected to the left side of the support in an inserted mode, the sliding rail is welded to the left end of the push rod, and the swing rod is arranged on the sliding rail. One end of a swing rod is embedded in an inner cavity of the sliding rail, an output shaft of a gear motor is welded to the other end of the swing rod, the bottom end of the gear motor is connected with a supporting block through a bolt, an elastic device is welded to the right end of a push rod, and a clamping mechanism is arranged on the right side of the elastic device. The clamping mechanism comprises a vertical plate, a first rotating rod and a second rotating rod, and the vertical plate is clamped in an inner cavity of the support. According to the efficient wide-channel welding plate type heat exchanger, the opening and closing functions of the heat exchange plates are achieved through the structures such as the supports, the plate type heat exchanger body, the second rotating rods, the sliding ways, the vertical plates, the first rotating rods and the sliding grooves, and the plate type heat exchanger is convenient to maintain.

This application belongs to the technical field of air compressor safety, and particularly relates to a safety operation method for a piston air compressor. A safety operation method for a piston air compressor includes the following steps: S1, a flexible baffle is provided on an air-cooled plate cooler connected to the piston air compressor; S2, temperature data of each cooling unit at the current moment is obtained, and at the same time, the temperature change trend and the opening area change trend of the air outlet end of each cooling unit are obtained; S3, according to the pressure dew point temperature of the air outlet end of each cooling unit at the current moment, the opening area of each cooling unit at the current moment is adjusted to change the coverage degree of the flexible baffle on the air-cooled flow channels of each cooling unit at the next moment, so that the temperature of the air outlet end of each cooling unit is always above the corresponding pressure dew point temperature. This application can尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。 It should be noted that there is an unclear part in the original Chinese text "尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。" which may need to be further clarified for a more accurate translation. The above translation is based on the best understanding of the current text.

The invention belongs to the field of heat-engine plant boiler flue gas waste heat recycling, and discloses a boiler waste heat recycling system which comprises an air preheater and a boiler, and a flue gas outlet of the boiler is communicated with a flue gas channel inlet of the air preheater through a pipeline; an outlet of an air channel of the air preheater communicates with a combustion-supporting air inlet of the boiler through a pipeline, and an inlet of the air channel is used for introducing air to be heated. The air preheater further comprises a preheating unit, the preheating unit comprises a compartment, and the compartment is arranged on the air side of the air preheater and located between the smoke channel and the air channel. The air inlet end and the air outlet end of the compartment are communicated through a circulating pipeline; the circulating fan is arranged on the circulating pipeline and is used for driving the gas in the compartment to circulate; according to the scheme, by means of the buffer area formed by the compartments and the circulating fan, the temperature shock amplitude of the heat accumulator in the alternate heat absorption and heat release process is reduced, and deformation of the heat accumulator caused by too large local thermal stress is relieved; the problem that the heat accumulator is heated unevenly is solved.

The invention relates to the technical field of plate heat exchangers, and provides a plate heat exchanger with a self-cleaning function, which comprises a bottom plate, a device frame fixedly mounted on the bottom plate, a heat exchange structure mounted on the device frame and used for heat exchange, a heat exchange pipeline set, a liquid storage tank, a cleaning assembly and a recovery assembly, the heat exchange pipeline set is installed on the device frame and comprises a cold fluid conveying assembly used for conveying cold fluid and a hot fluid conveying assembly used for conveying hot fluid, the liquid storage tank is fixedly installed on the bottom plate, cleaning fluid is stored in the liquid storage tank, and cleaning assemblies are installed on the cold fluid conveying assembly and the hot fluid conveying assembly correspondingly. The cold fluid conveying assembly and the hot fluid conveying assembly are each provided with a recovery assembly, and the technical problems that in the prior art, when the plate heat exchanger is cleaned, mechanical damage is likely to be caused to metal plates, then the service life of equipment is affected, and the operation and maintenance cost is increased are solved.

A heat exchanger for a turbomachine of an aircraft, the heat exchanger having a plurality of fins intended to be swept by a first fluid in a first direction, the fins extending in a second direction between a first panel and a second panel, being arranged in several rows in a third direction, and being arranged in a staggered manner, each row of fins being parallel and connected to one another. The heat exchanger can be annular, centered on the third direction and can have an inner cylindrical surface defining an inlet and an outer cylindrical surface defining an outlet, and the fins can have a length which decreases radially in the heat exchanger, in the first direction, between the inner cylindrical surface and the outer cylindrical surface.

The present invention relates to a plate of a heat exchanger having two opposite longitudinal edges connected to one another by two lateral edges, these longitudinal edges and lateral edges surrounding a bottom wall, an angle measured between this bottom wall and any one of the edges ranging between 103.5° and 109.5°, a thickness of the plate ranging between 0.20 mm and 0.45 mm, the bottom wall being equipped with fluid-flow-disturbing elements, these fluid-flow-disturbing elements having a vertical dimension that ranges between 0.75 mm and 1.15 mm.

The invention provides a heat exchanger which comprises a core plate bundle, the core plate bundle comprises a plurality of heat exchange plates arranged in a stacked mode, each heat exchange plate is provided with a plurality of heat exchange runners at intervals in the width direction of the core plate bundle, and each heat exchange runner extends to the end of the corresponding heat exchange plate in the length direction of the core plate bundle; the heat exchange flow channels in every two adjacent heat exchange plates are used for containing different heat exchange fluids, and the flowing directions of the heat exchange fluids are opposite. The two end plates are arranged on the two opposite sides of the core plate bundle in the thickness direction of the core plate bundle respectively. And the four fluid main pipes are used for allowing heat exchange fluid to enter or leave the core plate bundle, each fluid main pipe is connected with a plurality of fluid branch pipes in the width direction, and the fluid branch pipes connected with one fluid main pipe communicate with the heat exchange runners on the heat exchange plates containing the corresponding heat exchange fluid in a one-to-one correspondence mode. The heat exchanger is simple in structure, convenient to manufacture, uniform in fluid distribution, good in safety and long in service life, and the heat exchange efficiency is greatly improved.

The invention relates to the technical field of metal surface treatment production, in particular to an intelligent control method and system for a cleaning tank, and the control method is applied to a control device of the cleaning tank and comprises the steps that historical data of related production parameters are collected and preprocessed based on the state of cleaning liquid in the cleaning tank, and the state of the cleaning liquid in the cleaning tank is obtained; determining the influence relationship of the production parameters on the state of the cleaning fluid, and constructing a prediction model of the production parameters on the state of the cleaning fluid; and the current state of the cleaning fluid in the cleaning tank is obtained, and if the current state of the cleaning fluid in the cleaning tank does not meet the preset requirement, the opening degree and / or opening time of the valve are / is determined according to the influence relation and the current state of the cleaning fluid on the basis of the trained prediction model. Dynamic on-demand supply of energy is achieved, and waste of pure water and steam is avoided.

The disclosure relates to a plate heat exchanger comprising: a package of heat exchanger plates, each having a peripheral portion and several port portions with through flow ports communicating with flow passages between adjacent heat exchanger plates. First guiding ribs are arranged in the port portions, which first guiding ribs in every other flow passage between the heat exchanger plates are configured to guide and distribute the first heat exchange medium from a first inlet channel to a heat exchange portion and from the heat exchange portion to a first outlet channel, and in that second guiding ribs are arranged in the port portions, which second guiding ribs in the remaining flow passages between the heat exchanger plates are configured to guide and distribute a second heat exchange medium from a second inlet channel to the heat exchange portion and from the heat exchange portion to a second outlet channel.

An air / oil heat exchanger arranged in a vein. The exchanger includes parietal corridors and central passages, the radial height of the parietal corridors is less than the radial height of the central corridors at the inlet of the exchanger.

The invention discloses a compressor refrigeration and fluorine pump refrigeration dual-circulation system, and relates to the technical field of refrigeration equipment, the compressor refrigeration and fluorine pump refrigeration dual-circulation system comprises a compressor refrigeration system and a fluorine pump refrigeration system, and the compressor refrigeration system and the fluorine pump refrigeration system are coupled to form the dual-circulation system for cooling electronic components; the compressor refrigerating system comprises a compressor, a condenser, a liquid storage device, a thermostatic expansion valve, a plate heat exchanger and a gas-liquid separator. The compressor, the condenser, the liquid storage device, the thermostatic expansion valve, the plate heat exchanger and the gas-liquid separator are sequentially connected to form a closed loop. The operation of the double-circulation system is controlled through the fluorine supply temperature collected by the temperature sensor installed at the inlet of the cold plate assembly, the fluorine pump refrigeration system conveys a certain flow of refrigerant to the cold plate assembly for heat exchange, and the refrigerant flowing out of the cold plate assembly exchanges heat with the compression refrigeration system through the plate heat exchanger. And the opening balance system is adjusted to output cold energy to the cold plate assembly.

The invention discloses a three-state integrated aluminum plate-fin heat exchange device and a machining method thereof.The device comprises an upper sealing cover plate, a lower sealing cover plate and a plate-fin type core, the upper sealing cover plate and the lower sealing cover plate are distributed in parallel, the plate-fin type core is arranged between the upper sealing cover plate and the lower sealing cover plate, the plate-fin type core comprises a plurality of heat exchange units, and the heat exchange units are arranged in parallel. The multiple heat exchange units are distributed in a stacked mode in the vertical direction. The three functions of condensation, capillary throttling and evaporation are deeply fused with the plate-fin structure, a highly compact heat exchange device is formed, the structure is simplified, and the leakage risk is reduced; a single aluminum plate fin structure is adopted, an internal flow channel and a capillary structure are integrally designed, continuous and seamless state conversion of condensation, throttling and evaporation of refrigerants is completed in the same structure, energy loss in the function switching process is reduced, more accurate depressurization throttling is achieved in cooperation with capillary throttling regulation and control, the adaptability of the device is improved, and the service life of the device is prolonged. And the overall performance and the operation stability of equipment are obviously improved.

The invention relates to the technical field of gas-fired boilers, in particular to a distributed energy system based on a gas-fired boiler and an operation method. A three-layer convolutional neural network model is adopted by a load prediction module of the intelligent control platform, a cooling, heating and power load prediction value is output through convolutional layer feature extraction and a full connection layer, and an energy scheduling module is combined based on a model prediction control algorithm, and the lowest system operation cost is taken as a target. State variables such as steam pressure and the opening degree of a fuel regulating valve are optimized in a rolling mode, the load prediction accuracy and the multivariable collaborative optimization capacity are improved, and steam emptying is reduced. A steam exhaust port of a low-pressure steam turbine of a double-shaft back pressure type steam turbine set is divided into two paths which are connected with a steam-water heat exchanger and an absorption refrigerator respectively, steam exhaust flow distribution is adjusted through an electric adjusting valve, a water heat storage tank and a lithium battery energy storage system are combined, cooperative control is conducted through an energy management gateway, heat is stored and released during heat load fluctuation, and charging and discharging are conducted in the valley-peak section of a power grid. The heat-to-electricity ratio adjusting range is widened, and insufficient heat supply is reduced.

An integrated plate heat exchanger, a temperature control apparatus, an energy storage device, and a vehicle are disclosed. The heat exchanger includes an intermediate partition plate (40), a plate condenser (10), and a plate evaporator (20). The plate condenser (10) and the plate evaporator (20) are respectively fastened on two opposite sides of the intermediate partition plate (40), the plate condenser (10) includes a plurality of condenser heat exchange plates (15) that are stacked, and the plate evaporator (20) includes a plurality of evaporator heat exchange plates (25) that are stacked. At least one of a stacking direction of the plurality of condenser heat exchange plates 915) or a stacking direction of the plurality of evaporator heat exchange plates (25) is parallel to or perpendicular to the intermediate partition plate. The heat exchanger has a compact structure and a small overall volume, and may occupy less internal space of the temperature control apparatus.

The invention discloses an integrally-welded three-medium heat exchanger which comprises a heat exchange core, collecting pipes, flat pipes and fins are arranged on the heat exchange core, the flat pipes are longitudinally arranged, the fins are arranged on at least one side of each flat pipe, and all the fins are tightly attached to the flat pipes; the collecting pipe is provided with a connecting pipe or a filler flange which is communicated with an external medium inlet / outlet; a plate bundle unit is arranged on the outer side of the heat exchange core, and the plate bundle unit is formed by sequentially overlapping a plurality of heat exchange plates and fins and sealing the heat exchange plates and the fins through all-welding of the peripheral edges; a first flow channel and a second flow channel are formed in the plate bundle unit, and the first flow channel and the second flow channel are not completely isolated from each other. According to the integrally-welded three-medium heat exchanger, the influence on the refrigerant side in a whole vehicle integrated system can be reduced, and the leakage risk is greatly reduced; meanwhile, the structure is compact, sealing performance is excellent, and heat efficiency is high.

The device comprises a connecting box body, a heat exchange plate spacing adjustable structure and a swing flushing structure are arranged in the box body, the end face of the box body is connected with a water pump, the side wall of the box body is connected with a controller, a water outlet pipe is arranged at the bottom of the box body, and the water pump and two motors are electrically connected with the controller. The heat exchange plate spacing adjustable structure drives a lead screw, a sliding block, a pull rod and the like to perform transmission through a driving motor, so that the movable heat exchange plates are clamped or uniformly separated; the swing flushing structure drives a gear to transmit through a rotating motor, so that a cleaning nozzle swings back and forth between heat exchange plates and cooperates with a water pump to spray water for flushing. The method comprises the steps that the driving motor is controlled to separate the heat exchange plates, the rotating motor is started to drive the nozzles to swing, the water pump is started to wash the plugs, and finally the driving motor clamps the heat exchange plates for sealing. Spacing adjustment and automatic cleaning are achieved without disassembly, the problems that an existing device is tedious in operation and wastes time and labor are solved, the heat exchange efficiency and use convenience are improved, waste heat is effectively recycled, and energy waste is reduced.

A three-dimensional heat transfer device includes a vapor chamber and a plurality of flatten heat pipes. The flatten heat pipes are disposed on the vapor chamber and arranged along an extension direction of a short side of the vapor chamber. Major axes of cross-sections of the flatten heat pipes are parallel to a long side of the vapor chamber.

A fluid management module having a support including at least one channel for the flow of a refrigerant fluid. The support bearing at least one component with a fluidic function such as an expansion member or a refrigerant valve. The fluid management module includes at least one main two-fluid heat exchanger arranged to allow heat exchange between the refrigerant fluid and a heat-transfer fluid. The support is assembled with the heat exchanger so as to form at least one sealed connection for the refrigerant fluid flowing between the channel of the support and the main two-fluid heat exchanger.

The application relates to the field of heat exchangers, and discloses an energy-saving marine plate heat exchanger which comprises a shock resistance assembly, an adjusting assembly, a toughness assembly, a heat exchange assembly, heat exchange plates and a dehumidification assembly. When the ship shakes, the track can slightly shift along with the rubber pad through the installation of the adjusting assembly and the toughness assembly; when the electric motor inside the runner starts, the twisted rope is wound or released under the rotating action of the runner, the elastic rod is deformed, the bending curvature of the elastic rod is changed, the compression amount of the spring is changed, the overall rigidity of the toughness assembly is adjusted, when the moving block moves along the track, the punching block is synchronously displaced through the rigid connection, the X-shaped intersection angle of the two elastic rods is changed, the pre-tightening force of the spring is adjusted, a soft-hard adjustable shock resistance support structure is realized, and the problems of damage and reduced heat exchange efficiency of the heat exchanger caused by shaking are solved.