5655results about "Evaporators/condensers" patented technology

An intelligent real-time adaptive control air-blowing-type condenser and a usage method therefor, belonging to the technical field of condensers. The intelligent real-time adaptive control air-blowing-type condenser comprises: a condenser body (1) arranged on a mounting frame (101), an axial flow fan (2) being arranged on the top of the condenser body (1); a filter screen (3), which is mounted on the side wall of the condenser body (1) by means of bolts; a cleaning mechanism (4), which is arranged on the outer side of the filter screen (3) and is configured to remove impurities from the filter screen (3); and a moving mechanism (5), which is arranged on the mounting frame (101) and is configured to drive the cleaning mechanism (4) to move, wherein the cleaning mechanism (4) comprises a dust collection shell (401), a cleaning assembly arranged in the dust collection shell (401) and configured to sweep the impurities away from the outer side of the filter screen (3), and a dust settling assembly arranged in the dust collection shell (401) and configured for dust settling. The filter screen (3) on the outer side of the condenser can be cleaned without shutdown of the condenser.

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

A three-way heat exchanger includes an airflow inlet, an airflow outlet, a heat transfer fluid inlet manifold extending proximate the airflow outlet, and a heat transfer fluid outlet manifold extending proximate the airflow outlet. The heat exchanger also includes panel assemblies each including a frame defining a heat transfer fluid channel and a membrane positioned on the frame and defining a desiccant channel. The heat transfer fluid channel is connected to the heat transfer fluid inlet and outlet manifolds for channeling a flow of the heat transfer fluid therebetween counter to the airflow direction. Each panel assembly also includes a heat transfer fluid flow guide positioned in the heat transfer fluid channel to control the flow of the heat transfer fluid counter to the airflow direction.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

The invention discloses a cryogenic step-by-step preparation unit and process based on injection condensation and enhanced heat absorption in the technical field of absorption refrigeration. The cryogenic step-by-step preparation unit comprises a generation assembly, an evaporation absorption assembly, an injection assembly and a condenser. The evaporation and absorption assembly comprises a medium-pressure evaporator, a low-pressure evaporator, a medium-pressure absorber and a low-pressure absorber; the generating assembly utilizes a heat source to produce a cold source, the medium-pressure evaporator utilizes part of the cold source produced by the generating assembly to primarily cool a secondary refrigerant, and the low-pressure evaporator utilizes the remaining cold source discharged by the medium-pressure evaporator to cool the secondary refrigerant again. The condenser produces cold energy which is used as cold sources of the medium-pressure absorber and the low-pressure absorber respectively; the absorption type refrigerating unit is optimally designed, single-stage refrigeration is replaced by stage-by-stage refrigeration, the problem that the cost of single-stage refrigeration is too high due to the fact that equipment is too large is solved, and then application of the unit in the deep cooling scene is expanded.

An evaporator can include a pressure vessel and an evaporation device. The evaporation device can be at least partially enclosed within the pressure vessel and configured to direct a refrigerant through the pressure vessel. The evaporator can include at least one fluid direction device at least partially enclosed within the pressure vessel. The at least one fluid direction device is configured to direct a drinking fluid around the evaporation device to facilitate heat exchange. The evaporation device can include an evaporation coil with a first portion, a second portion, and a third portion. The second portion can be located exterior to the first portion and the third portion can be located radially exterior to the second portion. The pressure vessel can include an inlet and outlet in fluid connection with the evaporation coil.

The invention discloses an energy-saving type magnetic suspension centrifugal water chilling unit, and relates to the technical field of refrigeration, the energy-saving type magnetic suspension centrifugal water chilling unit comprises a magnetic suspension compressor, a variable-diameter throttling mechanism and a heat exchange system, the heat exchange system is fixedly installed on the side face of the outer wall of the magnetic suspension compressor, and the variable-diameter throttling mechanism is fixedly installed on the side face of the outer wall of the heat exchange system; an outlet of the magnetic suspension compressor is directly connected with the heat exchange system through a pipeline, and the reducing throttling mechanism is connected with the heat exchange system through a pipeline. The front-stage closed impeller and the rear-stage semi-open impeller are coaxially connected in series, efficient compression without mechanical contact and oil lubrication is achieved, the problems that a centrifugal compressor is high in energy consumption and large in vibration due to mechanical friction are solved, and the energy efficiency ratio of a unit is effectively increased.

The present invention discloses an evaporator for an automobile air-conditioner, which relates to the technical field of automobile air-conditioning, and comprises a supporting outer frame and an evaporator body, wherein the evaporator body is fixedly connected to the interior of the supporting outer frame, and the internal top wall of the supporting outer frame is fixedly connected to two diversion boxes, and the outside of the diversion box is fixedly connected to a plurality of blocking and shrinking airbags, and the supporting outer frame is fixedly connected to the micro air pump, and the air outlet of the micro air pump is connected to an air supply hose. When the plurality of blocking and shrinking airbags continue to expand laterally, the evaporator body can be sealed in a separate space in cooperation with the supporting outer frame, so that the evaporator body is no longer in contact with the outside air when not in use, thereby reducing the phenomenon that dust in the outside air adheres to the louver fins of the evaporator body, and the plurality of blocking and shrinking airbags filled with gas are lighter in overall weight, thereby reducing the burden on vehicle operation.

The invention discloses a condenser and evaporator fault detection method for multi-split air conditioning equipment, and relates to the technical field of air conditioner fault detection. The method comprises the following steps: dynamically predicting pressure parameters of a condenser based on a time sequence model; the temperature gradient parameter of the condenser is obtained based on monitoring of the inlet and outlet temperature difference of the condenser; periodic impact in the vibration signals is detected, and envelope analysis is conducted on vibration parameters of the condenser; the leakage risk of the condenser is calculated through a concentration sudden increase detection algorithm; acquiring operation data of the evaporator in real time; fault features of the condenser and the evaporator are extracted, and a machine learning algorithm is used for constructing a fault diagnosis model of the multi-split air conditioning equipment; carrying out coupling relation modeling on the multi-split air conditioning equipment; and accurately positioning a fault point. By performing coupling relation modeling on the multi-split air conditioning equipment, the faults of the condenser and the evaporator are efficiently and accurately monitored and diagnosed in real time.

The utility model discloses a household snow melting machine which comprises a stirring assembly and a refrigerating assembly, the stirring assembly comprises a protective cover, a driving motor and a scraper, the refrigerating assembly comprises an evaporator, the evaporator is arranged on the side portion of the driving motor and connected with the protective cover, the stirring assembly further comprises a sealing ring, and the sealing ring is arranged on the side portion of the driving motor and connected with the scraper. The sealing ring comprises an inner sealing ring, a sealing outer ring and a sealing inner ring, the sealing outer ring and the sealing inner ring are arranged on the front side and the rear side of the inner sealing ring respectively, an inner ring plate is arranged at the end of the protection cover, the evaporator penetrates through the inner ring plate, the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate, and the sealing outer ring abuts against the surface of the side, close to the evaporator, of the inner ring plate. The sealing inner ring abuts against the surface of the side, close to the driving piece, of the inner ring plate, and the inner sealing ring is arranged at the joint of the inner ring plate and the outer wall of the evaporator. According to the utility model, the sealing performance and the waterproofness can be improved, water seepage and oil seepage are prevented, potential safety hazards are avoided, and the service life is prolonged.

The invention discloses a solar energy-phase change heat storage collaborative parallel evaporator segmented defrosting system and method, and belongs to the technical field of air source heat pump defrosting and new energy utilization. Comprising evaporator sets (A / B) arranged in parallel, a compressor, a condenser, a four-way reversing valve, a solar heat collecting plate, an electromagnetic valve, a temperature sensor and a connecting pipeline. A phase change material interlayer is embedded in a finned tube of the evaporator set, the phase change material is connected with the solar heat collection plate through a circulation pipeline, the phase change material absorbs or releases a large amount of latent heat in the solid-liquid phase change process, and heat collected by the solar heat collection plate is stored in a high-density mode. When the evaporator is frosted, heat stored by the phase change material can be released directionally, and melting of a frost layer is accelerated. Through the synergistic effect of solar energy and phase change heat storage, the defrosting time is remarkably shortened, indoor temperature fluctuation caused by reverse circulation is reduced, meanwhile, the energy utilization rate is increased, the structure is simple, the cost is controllable, and the efficient defrosting requirement of the air source heat pump in the cold region is met.

The present application provides a two-phase cold plate liquid cooling system and a control method. According to the present application, for parts which are cooled in series by the two-phase cold plate liquid cooling system, after a first evaporator cools a previous part, on the basis of the heat transfer requirements of a part cooled by a second evaporator, the quality of a refrigerant output from the first evaporator is adjusted to prevent the quality of the refrigerant from being too low or too high, and thus the refrigerant entering the second evaporator has proper quality, namely, the refrigerant entering the second evaporator has proper boiling point and heat exchange capacity, so that corresponding parts can be cooled to proper temperature, and large temperature difference between upstream and downstream parts is avoided. The solution solves the problem of the temperature of downstream parts in the series being lower than the temperature of upstream parts in the series, improves the temperature uniformity of multiple parts cooled in series, and then solves the problems of pressure oscillation, circulation stagnation and circulation reverse flow in the system, greatly improving the temperature uniformity of heat sources connected in series and the reliability of a series-parallel system.

The utility model provides a heat exchanger assembly and an air conditioner, the heat exchanger assembly comprises an evaporator assembly and a surface air cooler assembly, refrigerant is introduced into a heat exchange tube of the evaporator assembly, chilled water is introduced into a heat exchange tube of the surface air cooler assembly, and the evaporator assembly and the surface air cooler assembly are connected into a whole. The evaporator assembly is located at the upstream position of the surface air cooler assembly in the air flowing direction, when chilled water is mainly used for refrigeration, the surface air cooler assembly works, the evaporator assembly does not work, and air passes through the evaporator assembly to be not cooled and then passes through the surface air cooler assembly to be cooled. According to the utility model, the refrigeration effect is not worsened under the condition that the energy efficiency and the refrigeration performance are considered at the same time, and the required refrigeration effect is ensured.

The present disclosure is directed to devices, systems, and products for attracting, capturing and converting atmospheric water vapor into useful liquid water utilizing thermal dynamic processes such as deposition, phase change states and fusion.

The utility model relates to the field of air treatment equipment, and discloses an efficient temperature and humidity adjusting fresh air handling unit which comprises a fresh air channel and an air return channel which are located in a machine shell, and a filter screen, a fluorine pump system, an evaporator, a reheating coil pipe, a humidifier and an air feeder are arranged in the fresh air channel. A filter screen, a fluorine pump system, a condenser, a compressor and an air feeder are arranged in the air return channel, the fluorine pump system is located between the filter screen and the evaporator and comprises a sprayer, a heat exchanger, a copper pipe and a pump, a one-way valve and an electromagnetic valve are connected to the reheating coil, and an expansion valve is further connected to the evaporator. The energy utilization rate is increased, energy consumption is effectively reduced, the refrigeration efficiency is improved, and the overall energy-saving and environment-friendly effects are improved.

The invention provides a heat exchanger and energy storage equipment. The heat exchanger comprises a refrigerant base plate, a plurality of condensation plate heat exchangers and a plurality of evaporation plate heat exchangers, and each condensation plate heat exchanger and each evaporation plate heat exchanger are arranged on the same side of the refrigerant base plate in the first direction. The side face, facing the refrigerant base plate, of each condensation plate exchanger comprises a refrigerant inlet and a refrigerant outlet, the side face, facing the refrigerant base plate, of each evaporation plate exchanger comprises a refrigerant inlet and a refrigerant outlet, and the refrigerant base plate comprises two condensation refrigerant flow channels and two evaporation refrigerant flow channels. One of the two condensation refrigerant flow channels is used for being communicated with a refrigerant inlet of each condensation plate heat exchanger, and the other condensation refrigerant flow channel is used for being communicated with a refrigerant outlet of each condensation plate heat exchanger. One of the two evaporation refrigerant flow channels is used for communicating with the other condensation refrigerant flow channel and a refrigerant inlet of each evaporation plate heat exchanger, and the other evaporation refrigerant flow channel is used for communicating with a refrigerant outlet of each evaporation plate heat exchanger. The refrigerating capacity of the heat exchanger can be improved.

A system for generating steam for industrial heat. The system may include a plurality of heat pump cycles in thermal communication with each other and in thermal communication with a steam generation cycle. The plurality of heat pump cycles may include first and second heat pump cycles. The first heat pump circulates a first a working fluid and includes a first heat exchanger. The second heat pump cycle circulates a second working fluid and includes a second heat exchanger. The first heat exchanger transfers heat from the first to the second working fluid. The second heat exchanger transfers heat to a third working fluid in the steam generation cycle.

The invention provides a heat pump unit, an air conditioner and a control method. When the heat pump unit is in a refrigeration mode, the outdoor wet-bulb temperature is larger than or equal to a wet-bulb temperature threshold value, and the outdoor dry-bulb temperature is larger than a dry-bulb temperature threshold value, the series flow path and the first bypass flow path are both in a conducting state. In other words, part of the refrigerant is adopted for heat exchange through a series flow path which is formed by connecting the air-cooled condenser in series and then connecting the evaporation cold condenser in series, and the other part of the refrigerant is synchronously adopted to cross the air-cooled condenser and directly enter the evaporation cold condenser for heat exchange, so that the evaporation cold condenser can participate in heat exchange more sufficiently; the energy efficiency of the whole heat pump unit is improved, and the refrigeration use experience of a user is improved.

The utility model discloses an efficient condenser for an air cooler, and relates to the field of refrigeration equipment, the efficient condenser comprises a condenser shell and a plurality of pipelines fixed in the condenser shell, and a plurality of cooling fins located in the condenser shell are fixedly clamped to the multiple pipelines; the cooling fins comprise a plurality of middle fins clamped between every two pipelines, and side fins fixed to one ends of the middle fins through buckles are clamped to one sides of the pipelines located outside. The top cover and the bottom cover of the condenser shell are detached, then the buckles are detached, the middle fins, the side fins and the pipelines are separated, then new cooling fins can be replaced, the cost for replacing the pipelines is omitted, and the maintenance cost of families or factories and the like is effectively reduced.

The utility model relates to the field of cold and heat pump units, in particular to a multifunctional efficient defrosting evaporation cold and heat pump unit which comprises a compressor, and an outlet of the compressor is respectively connected with an inlet of a shell and tube heat exchanger and an inlet of an evaporation cold heat exchanger through a four-way reversing valve. An outlet of the evaporation cold heat exchanger is connected with an inlet of the compressor and an outlet of the shell-tube heat exchanger through electronic expansion valves. An outlet of the shell-tube heat exchanger is connected with an inlet of the compressor and the fin type heat exchanger set through the electronic expansion valve. The fin type heat exchanger set comprises at least two sets of heat exchange channels which are mutually independent, each heat exchange channel is formed by connecting a three-way valve, a fin type heat exchanger and a one-way valve in series, and the three-way valve is connected with an inlet and an outlet of the compressor. The utility model provides a multifunctional efficient defrosting evaporation cold and heat pump unit, which can realize three functions of efficient refrigeration, heating and continuous defrosting while heating.

The invention provides a heat exchanger and energy storage equipment. The heat exchanger comprises at least one condensation plate heat exchanger, a plurality of evaporation plate heat exchangers and a refrigerant base plate, and each evaporation plate heat exchanger and each condensation plate heat exchanger are arranged on the same side of the refrigerant base plate in the first direction. The side face, facing the refrigerant base plate, of each condensation plate exchanger comprises a condensation refrigerant outlet, and the side face, facing the refrigerant base plate, of each evaporation plate exchanger comprises an evaporation refrigerant inlet. The refrigerant base plate comprises a confluence flow channel and at least one flow dividing structure, each flow dividing structure comprises a plurality of flow dividing flow channels, one end of the confluence flow channel is used for being communicated with a condensation refrigerant outlet of each condensation plate heat exchanger, and the other end of the confluence flow channel is used for being communicated with one end of each flow dividing flow channel. And the other end of each shunting flow channel is used for communicating with an evaporation refrigerant inlet of one evaporation plate heat exchanger. According to the heat exchanger provided by the embodiment of the invention, the shunting structure is arranged on the refrigerant substrate, so that the occupied space of the heat exchanger is reduced, and the assembly of the heat exchanger is simplified.

The utility model relates to a low Prandtt number distributor which comprises a bottom plate, an inner partition plate, a flow guide plate, an accelerator plate, a speed reducing plate and end plates, the bottom plate, the inner partition plate, the flow guide plate, the accelerator plate and the speed reducing plate are sequentially arranged between the two end plates which are arranged left and right from bottom to top, a plurality of accelerator plate holes are evenly distributed in the accelerator plate, and a plurality of speed reducing plate holes are evenly distributed in the speed reducing plate. The inner partition plate, the flow guide plate and the two end plates form a flow guide cavity, the flow guide plate, the acceleration plate and the two end plates form an acceleration cavity, the flow guide cavity is communicated with the acceleration cavity, and the acceleration plate, the deceleration plate and the two end plates form a deceleration cavity. According to the utility model, a gas-liquid two-phase mixture with a low Prandtt number is created by changing the flow speed and the macroscopic flow state of the refrigerant, and the heat exchanger has the advantages that the refrigerant is uniformly distributed, the utilization rate of a heat exchange area is improved, the heat transfer performance is improved, the refrigerant uniformly and stably flows out, and the erosive wear of the refrigerant to the heat exchange tube bundle is reduced.

The invention discloses a water-cooling air suspension variable-frequency centrifugal unit capable of overcoming the defect of uneven falling films, and relates to the field of variable-frequency centrifugal units. The water-cooling air suspension variable-frequency centrifugal unit comprises a rack, a condenser, an evaporator and an air flotation compressor; a condenser and an evaporator are connected to the inner wall of the rack in a penetrating mode, one side of the evaporator is connected with an air flotation compressor through a pipeline, the air flotation compressor is connected to one side of the rack through bolts, the front portion of the evaporator and the front portion of the air flotation compressor are connected with a flash tank through pipelines, and a heat exchange mechanism is connected to the inner wall of the evaporator. The inner wall of the condenser is connected with a descaling mechanism. According to the water-cooled air suspension variable-frequency centrifugal unit, to-be-cooled liquid is added above the evaporator and flows into the heat exchange pipe, a falling film is formed on the inner wall of the heat exchange pipe, the air flotation compressor drives the pneumatic motor to operate, the air spraying pipe and the heat exchange pipe are driven to rotate, and refrigerant gas is evenly sprayed to the outer side of the heat exchange pipe to form the falling film; and therefore, the water-cooling air suspension variable-frequency centrifugal unit can uniformly fall a film.

The utility model relates to the field of air conditioners, and particularly discloses a variable-flow-path heat exchanger and an air conditioner outdoor unit, the variable-flow-path heat exchanger comprises a single-cooling condenser core body, an inlet pipe assembly and an outlet pipe assembly, the single-cooling condenser core body comprises a refrigerant overheating section, and the refrigerant overheating section is communicated with the inlet pipe assembly; the refrigerant two-phase section is communicated with the refrigerant overheating section, one end of the outlet pipe assembly is communicated with the refrigerant overheating section, and the other end of the outlet pipe assembly is communicated with the refrigerant two-phase section; the refrigerant supercooling section communicates with the refrigerant two-phase section, and the refrigerant supercooling section communicates with the end, away from the refrigerant superheating section, of the inlet pipe assembly; and the heat exchange areas of the refrigerant superheating section, the refrigerant two-phase section and the refrigerant supercooling section are sequentially reduced. According to the scheme, in the process, the gas-liquid state switching of the refrigerant is matched with the heat exchange area of the refrigerant superheating section, the refrigerant two-phase section and the refrigerant supercooling section in size, so that the refrigerant keeps a stable speed when flowing in the single-cooling condenser core, and the heat exchange efficiency is improved.

The invention discloses a superheat degree control method and system for suppressing superheat degree oscillation. The method comprises the steps that the process identification module identifies dynamic characteristics of the superheat degree control system through a transfer function; the prediction control module constructs a state space model according to the dynamic characteristics, performs state prediction based on a state estimation value and a disturbance estimation value, outputs a state prediction vector and calculates a first objective function; the parameter identification self-tuning module carries out self-tuning on the PID control parameters according to the dynamic characteristics and a second objective function; the PID control module outputs an electronic expansion valve driving signal according to the deviation between a superheat degree predicted value in the state prediction vector and a superheat degree preset target value and the set PID control parameter; and the electronic expansion valve driver drives the electronic expansion valve to act according to the electronic expansion valve driving signal so as to adjust the flow of the refrigerant. According to the technical scheme provided by the embodiment of the invention, superheat degree oscillation caused by low superheat degree operation of the refrigerating system is remarkably inhibited, and the system stability is improved.

The invention relates to an evaporator defrosting system and a defrosting control method. The system is applied to the refrigeration equipment with a compressor, the system comprises an evaporation coil, a liquid storage device, the compressor, a heater and a controller, and the liquid storage device comprises an upper connecting port and a lower connecting port; an outlet of the evaporation coil is configured to be connected to the upper connector from the upper part of the liquid storage device; the compressor is connected to an inlet of the evaporation coil and used for providing power for refrigerant circulation. The heater is arranged around or below the body of the evaporation coil; the controller is used for controlling the heater to heat the evaporation coil, so that the liquid refrigerant generates bubbles with liquid in a pipe opening of the evaporation coil; and controlling the compressor to extract the liquid-carrying bubbles accumulated at the pipe orifice of the evaporation coil pipe.

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 utility model provides a heat exchanger structure and an air conditioning system. One end of the first heat exchange pipeline communicates with a liquid outlet of the heat exchanger, and the other end of the first heat exchange pipeline is connected with the indoor unit system; the first heat exchange pipeline is provided with a first throttling component used for controlling the opening degree of the first heat exchange pipeline and a first temperature detector used for detecting the temperature of fluid in the first heat exchange pipeline. One end of the second heat exchange pipeline communicates with a liquid outlet of the heat exchanger, and the other end of the second heat exchange pipeline is connected with the indoor unit system; the second heat exchange pipeline is provided with a second throttling component used for controlling the opening degree of the second heat exchange pipeline and a second temperature detector used for detecting the temperature of fluid in the second heat exchange pipeline. The heat exchanger structure solves the technical problem that the damage condition of the throttling component of the heat exchanger cannot be found easily.

A heat exchanger includes at least two plate bodies stacked with each other and at least one connecting sheet. Each of the at least two plate bodies is provided with a plurality of micro-passages. The at least one connecting sheet is arranged between adjacent plate bodies of the at least two plate bodies. A solder is disposed on each of two opposite sides of the at least one connecting sheet, and the solder is configured to weld and fix the at least one connecting sheet with the adjacent plate bodies of the at least two plate bodies.

The utility model provides a two-stage jet flow reflection mixing flow guide distributor, a heat exchange device and refrigeration equipment. The two-stage jet flow reflection mixing flow guide distributor comprises a cavity, a liquid inlet pipe, a two-stage jet flow reflection mixing component and a plurality of branch pipes. The two-stage jet flow reflection mixing component comprises a first-stage reflection mixing plate, a second-stage jet flow hole plate and a second-stage reflection mixing plate which are sequentially distributed in the cavity at intervals in the flowing direction of the refrigerant. The first-stage reflecting and mixing plate is distributed opposite to the inflow end of the cavity so as to reflect and mix a refrigerant injected into the cavity from the liquid inlet pipe, and a plurality of overflowing holes are formed in the first-stage reflecting and mixing plate. The second-stage jet flow hole plate and the first-stage reflection mixing plate define a jet flow cavity, and a second-stage jet flow hole is formed in the jet flow cavity. The second-stage reflection mixing plate is opposite to the second-stage jet flow holes and is provided with a plurality of flow guide holes of which the number is the same as that of the shunting branch pipe holes; and each flow guide hole is basically coaxial with the corresponding shunting branch pipe hole. And the plurality of branch pipes are respectively welded and connected in the plurality of shunting branch pipe holes in the outflow end of the cavity.