14 results about "Micro heat exchanger" patented technology

The invention discloses a divided water tank device for an internal heat exchanger of a split type solar water heater. Butt welding is carried out by utilizing an end enclosure of a stainless steel confined water bank inner bag; the end enclosure is used as the heat exchanger to play the role of a water tank partition board; the water tank is divided into independent divided cavities; the heat exchanger is sealed with the inner bag of the water tank; the adjacent cavity bodies communicate with each other via draught tubes; the medium circulation and the medium supplement, namely unconfined running of the heat exchanging part, are carried out safely and reliably via an upper circulating pipe and a heat collecting part; and the device can fully improve heat energy transformation and reduce heat loss.

The invention relates to the technical field of data storage, and discloses an internet data storage center which comprises a cabinet body, a cabinet door is hinged to the cabinet body, a first filter screen is fixedly installed on the cabinet door, a through hole is formed in the bottom of an inner cavity of the cabinet body, a first heat dissipation assembly and a second heat dissipation assembly are arranged on the cabinet body, and the first heat dissipation assembly comprises a fixing plate. The fixing plate is fixedly connected with a driving motor, the output shaft end of the driving motor is fixedly connected with a fan, the top of the cabinet body is fixedly communicated with a heat dissipation pipe, the air outlet end of the heat dissipation pipe is fixedly connected with a heat dissipation fan, the second heat dissipation assembly comprises a water tank, the water tank is fixedly connected with a circulating pipe, and the circulating pipe is fixedly connected with a water pump and a micro heat exchanger. A mounting plate is fixedly mounted in an inner cavity of the cabinet body, heat dissipation holes are formed in an inner cavity of the mounting plate, and a data memory is fixedly mounted on the mounting plate. According to the invention, through mutual cooperation of the first heat dissipation assembly and the second heat dissipation assembly, heat dissipation can be timely and effectively carried out, and safety accidents such as fire are avoided.

The invention discloses a reaction extraction coupling continuous flow system and method for synthesizing glyoxylic acid in a microchannel. According to the system, a first liquid storage device is connected with a first constant flow pump, and the first constant flow pump is connected to a first micro heat exchanger; the second liquid storage device is connected with a second constant flow pump; the second constant flow pump is connected to a second micro heat exchanger; the first micro-heat exchanger and the second micro-heat exchanger are connected to an inlet of the first micro-mixer, an outlet of the first micro-mixer is connected to an inlet of the second micro-mixer, and a first micro-channel reactor is arranged between the first micro-mixer and the second micro-mixer; the third liquid storage device is connected to an inlet of the second micro-mixer through a third constant flow pump; an outlet of the second micro-mixer is connected to a collecting device, the collecting device is arranged in a temperature adjusting device, and a second micro-channel reactor is arranged between the second micro-mixer and the collecting device; according to the invention, the problem of low glyoxal synthesis reaction efficiency in the prior art is solved.

The present invention provides a micro heat exchanger assembly, which is composed of three parts: a microchannel heat exchanger, a valve core, and a nut. The microchannel heat exchanger has a microchannel core, a first port, a second port, a third port, a fourth port, and a fifth port. The microchannel core and the first to fifth ports are a single homogeneous entity formed by a 3D printing method. The microchannel core has a plurality of parallel, spaced first fluid microchannels and second fluid microchannels inside. The first fluid microchannel is connected to the first port, the second port, and the fifth port, while the second fluid microchannel is connected to the third port and the fourth port. An external thread and an internal thread are provided on the fifth port, and an external thread is provided on the valve core. The valve core is screwed into the fifth port, and refrigerant can be filled into the microchannel heat exchanger through the fifth port. The micro heat exchanger assembly of the present invention can be used as an evaporator or condenser in a micro refrigeration system, and can also be used as a liquid-liquid heat exchanger.

The utility model relates to the technical field of semiconductors, and discloses a semiconductor temperature difference power supply device for measuring anode current distribution of an aluminum electrolysis cell, which comprises a semiconductor temperature difference power supply device, a controller is arranged on the front side of the semiconductor temperature difference power supply device, and the semiconductor temperature difference power supply device is fixedly connected with a water storage cooling tank. A circulating water pump is fixedly connected to the wall face of one side of the water storage cooling box, the water outlet end of the circulating water pump communicates with a circulating pipe, a miniature heat exchanger is fixedly connected to the circulating pipe, a supporting plate is movably arranged below the semiconductor temperature difference power supply device, a containing groove is formed in the top of the supporting plate, and heat dissipation holes are formed in the bottom of an inner cavity of the containing groove. The two ends of the bottom of the supporting plate are fixedly connected with connecting plates, and air blowers are fixedly connected to the middles of the connecting plates. According to the cooling device, cooling liquid exchanges heat with the micro heat exchanger through the circulating pipe and returns to the inner cavity of the water storage cooling tank after circulating for a circle, air blown out by the air blower is blown out from the air outlet, the service life of the cooling device is prolonged, and the maintenance cost is reduced.

A refrigeration appliance and a method for operating a refrigeration appliance are described. The refrigeration appliance has a refrigerator compartment and a freezer compartment, each connected to an evaporator chamber in which an evaporator designed as an MCHE heat exchanger is arranged. An airflow is circulated between the evaporator chamber and the refrigerator compartment and between the evaporator chamber and the freezer compartment by means of a fan. The method includes defrosting the evaporator by operating the fan to circulate an airflow between the evaporator chamber and the refrigerator compartment while the supply of refrigerant to the evaporator is interrupted.

The application discloses a forced air cooling device for earthwork cells, which comprises a bottom plate, a mounting plate arranged on the top of the bottom plate, an air inlet structure arranged on the top of the mounting plate, an air inlet plate arranged on the top of the mounting plate, an air inlet channel arranged in the air inlet plate, communication pipes arranged on the two sides of the air inlet channel and connected with air blowing devices, a plurality of micro heat exchangers arranged on the bottom of the air inlet plate, air vent bottom grooves arranged on the two sides of the bottom of the air inlet plate, and a sliding plate arranged on the bottom of the air inlet plate; a box is arranged below the micro heat exchanger, an electric push rod is arranged in each box, and an ultrasonic welding head is arranged at one end of the electric push rod; the air inlet structure is arranged, the air blowing devices arranged on the two sides of the air inlet plate form convection in the air inlet channel, and the cooling air can uniformly flow to the cooling structure below; the sliding plate is arranged, the sliding of the sliding plate can control the communication of the air vent bottom grooves, the air in the air inlet channel can overflow from the air vent bottom grooves, and the devices below and the earthwork cells can be cooled and radiated.

The utility model relates to the technical field of workbenches, and discloses an efficient heat dissipation flat cooling workbench which comprises a workbench body and a workbench surface, a mounting groove and a limiting groove are formed in the bottom of an inner cavity of the workbench body, an electric push rod and a limiting rod are fixedly mounted on the inner wall face of the mounting groove and the inner wall face of the limiting groove, and a mounting block is fixedly connected to the electric push rod. The air outlet end of the cooling fan is communicated with a connecting pipe, the side wall surface of the connecting pipe is communicated with an air outlet, the side wall surface of the table body is fixedly provided with a water tank, the water tank is provided with a water pump, the water outlet end of the water pump is communicated with a circulating pipe, and the circulating pipe is provided with a micro heat exchanger. The temperature of cooling liquid is reduced again through cooperation of the water tank, the water pump and the circulating pipe and heat exchange with the miniature heat exchangers, heat dissipation is assisted through cooperation of the cooling fan, the connecting pipe and the air outlet, the connecting pipe is driven to reciprocate through the electric push rod and the mounting block, and the surface of the workbench is prevented from becoming too hot.

The utility model relates to the technical field of electric power systems, and discloses a voltage transformer cabinet which comprises a voltage transformer cabinet body and a voltage transformer, heat dissipation grids are arranged on the two sides of the voltage transformer cabinet body, a mounting plate is fixedly connected to the side wall face of the voltage transformer cabinet body, an air blowing assembly is arranged on the mounting plate, and the air blowing assembly comprises an air blower and an air outlet pipe. A heat dissipation assembly is arranged on the voltage transformer cabinet body and comprises a water storage tank, a circulating pipe is fixedly connected to the water storage tank, a water pump and a miniature heat exchanger are fixedly connected to the circulating pipe, and a supporting assembly is arranged at the bottom of an inner cavity of the voltage transformer cabinet body. According to the utility model, through cooperation of the air blower and the air outlet pipe, preliminary heat dissipation is carried out on the voltage transformer, cooling liquid in the water storage tank circularly flows along the circulating pipe for a circle through the water pump and then flows back to the inner cavity of the water storage tank, and the cooling liquid adsorbs heat on the side wall surface of the voltage transformer cabinet body, so that the internal and external heat dissipation effect is achieved; heat is prevented from gathering in the inner cavity of the cabinet body, and the heat dissipation efficiency is improved.

The invention discloses a double-helix heat exchange tube for a heat exchanger and a double-helix heat exchange tube heat exchanger based on the double-helix heat exchange tube. A double-spiral heat exchange tube is created for the first time, and the inherent thermal stress problem of the heat exchanger is fundamentally solved. The creative structure of tube-shell pass communication facilitates cleaning between the inner tubes of the shell pass tube, solves the problem that the heat exchanger is difficult to clean and maintain, and improves the heat exchange efficiency. The double-helix heat exchange tube has the characteristics of a miniature heat exchanger, so that optimal grouping arrangement of the heat exchange tube is conveniently realized, and integrated design and application of a plurality of heat exchangers are realized. And in combination with a chip technology, real-time monitoring and adjustment can be further carried out on work of a single heat exchange tube or a group of heat exchange tubes, global balanced use of the heat exchanger is realized, and the heat exchange efficiency is further improved. The intelligent heat exchanger has practical significance. The double-spiral heat exchange tube heat exchanger integrates the advantages of various heat exchangers, and is simple in structure, convenient to design and manufacture, good in maintainability, wide in adaptive temperature range and convenient to integrate and intellectualize, thereby having wide applicability and economic value.

The application discloses a high-integration continuous liquid drop type micro heat exchanger, which comprises a water storage tank assembly and a cooling chamber assembly installed at one end of the water storage tank assembly; the water storage tank assembly is connected with an external injection pump to introduce fluid into the water storage tank; the outlet pipeline end of the water storage tank of the water storage tank assembly is provided with a jet orifice plate, and the surface of the jet orifice plate is uniformly provided with jet orifices; a piezoelectric element is installed on the side surface of the outlet pipeline of the water storage tank, and a piezoelectric ceramic is installed on the side surface outside the water storage tank; a chip support is installed at the end of the cooling chamber assembly away from the water storage tank, and a heating chip is embedded in the chip support. The micro heat exchanger realizes a micro high-liquid-drop-flux piezoelectric liquid drop generator, combines the liquid drop generator with a micro chip to form an applicable micro heat exchanger, and realizes efficient cooling in a narrow environment.

The application discloses a kind of multilayer regional photolithography objective lens surface temperature control device.The cooling element includes multilayer internal flow passage non-interference cooling module, the first cooling medium is circulated in the internal flow passage of cooling element, the second cooling medium is circulated in the gap between the inner wall of cooling element and the outer wall of objective lens, and the third cooling medium forms air curtain between the outer wall of cooling element and the external environment;Micro heat exchanger is arranged at the inlet of each cooling module, and flow regulating valve and flow meter are arranged at the outlet;The temperature and flow of the first, second and third cooling medium flowing in are dynamically regulated and controlled by the host computer.The application can form a non-uniform cooling intensity field matched with the non-uniform thermal load of the objective lens through the synergistic effect of multilayer medium and the independent control system of multiple input and multiple output, thereby significantly improving the temperature uniformity, control accuracy and response speed of the objective lens surface of the photolithography machine.

The utility model relates to the technical field of precoated sand processing, and discloses a cooling device for precoated sand processing, which comprises a cooling box, a feed port and a discharge port, the top of the inner cavity of the cooling box is fixedly connected with a heat dissipation net, the outer side and the inner cavity of the cooling box are provided with a cooling assembly, and the cooling assembly comprises a water storage tank. Cooling circulating pipes are fixedly connected to the two sides of the water storage tank, a water pump and a plurality of micro heat exchangers are fixedly connected to the cooling circulating pipes, an air blower is fixedly connected to the left side wall face of the cooling tank, the air outlet end of the air blower is fixedly connected with an air conveying pipe, an air spraying nozzle is fixedly connected to the air conveying pipe, and a filter screen is arranged at the position, close to the air spraying nozzle, of an inner cavity of the cooling tank; the cooling box is further provided with a stirring assembly. According to the utility model, through the cooperation of the starting air blower and the air spraying nozzle and the cooperation of the water pump, the cooling circulating pipe and the micro heat exchanger, internal and external heat dissipation can be realized, a better heat dissipation effect can be achieved, the cooling time is shortened, and the cooling efficiency is improved.

The application discloses a kind of multilayer regional photolithography objective lens surface temperature control device.The cooling element includes multilayer internal flow passage non-interference cooling module, the first cooling medium is circulated in the internal flow passage of cooling element, the second cooling medium is circulated in the gap between the inner wall of cooling element and the outer wall of objective lens, and the third cooling medium forms air curtain between the outer wall of cooling element and the external environment;Micro heat exchanger is arranged at the inlet of each cooling module, and flow regulating valve and flow meter are arranged at the outlet;The temperature and flow of the first, second and third cooling medium flowing in are dynamically regulated and controlled by the host computer.The application can form a non-uniform cooling intensity field matched with the non-uniform thermal load of the objective lens through the synergistic effect of multilayer medium and the independent control system of multiple input and multiple output, thereby significantly improving the temperature uniformity, control accuracy and response speed of the objective lens surface of the photolithography machine.