53results about How to "Liquid evenly" patented technology

The invention relates to a trickle downward film type evaporator device and a using method thereof; the downward film type evaporator of the prior art which is the two-phase refrigerant distributor technology has a five-layer orifice plate structure and a capillary structure, as the structure is more complicated and the processing and assembling difficulty is high, the uneven liquid distribution is easily caused, the heat transfer performance is decreased and the energy efficiency is lowered. The trickle downward film type evaporator device adopts the technical proposal of a multi-directional two-grade pressure decrease distribution device, a two-phase refrigerant distributor which consists of a trapezoidal shell body, a multi-directional flow distribution plate, a grade-one distribution orifice plate, a grade-two distribution orifice plate, a gas absorption distribution plate and an end seal plate is used for carrying out the multi-directional two-grade pressure decrease distribution, thereby leading a gas-liquid refrigerant to be evenly and effectively trickled at the outer surface of the pipe wall of an evaporation pipe bundle and further carry out the full heat exchange. The trickle downward film type evaporator device has the advantages that: the two-phase refrigerant distributor technology has simple structure, easy production, even liquid distribution of the gas-liquid refrigerant and improved heat transfer performance. Compared with the existing flooded evaporator, the energy is saved by 15-20 percent, and the filling amount of the refrigerant is reduced by 20-30 percent, thereby being economic and energy-saving.

The invention discloses a spraying type evaporator. The spraying type evaporator comprises a heat exchanger and a gas-liquid separator. The gas-liquid separator comprises a shell, a liquid inlet connection pipe extending into the shell, a gas return opening connection pipe extending into the shell, and a connector base which is arranged at the bottom of the shell and connected with a connection pipe. The inlet of the liquid inlet connection pipe is connected with a refrigerant outlet of a throttling mechanism of the previous stage. A partition plate is arranged between the liquid inlet connection pipe and the gas return opening connection pipe. The outlet of the liquid inlet connection pipe and the inlet of the gas return opening connection pipe are separated from each other through the partition plate. The gas-liquid separator is arranged, gas-liquid separation is conducted on throttled refrigerant, it is ensured that the refrigerant entering the heat exchanger is in a pure liquid state, liquid distribution of a liquid distributor can be more uniform, and therefore the heat exchange efficiency of the whole heat exchanger is improved, the heat conduction temperature difference is reduced, the energy efficiency ratio of running of a refrigerating unit is increased, and the aim of saving energy is achieved.

The invention discloses a micro-channel heat exchanger and a mounting method. The micro-channel heat exchanger comprises collecting pipes and distributing pipes arranged in the collecting pipes, wherein the distributing pipes are provided with a plurality of distributing holes in the axial direction, and the end parts of flat pipes are inserted into the collecting pipes side by side; a plurality of baffles are integrally fixed on the distributing pipes in the axial direction, and the distributing pipes are movably inserted into the collecting pipes; sealing members for fixing the distributing pipes are also inserted into the collecting pipes, and the baffles, the sealing members and the inner walls of the collecting pipes are matched in the collecting pipes, so that a plurality of independent liquid distributing regions are formed. According to the mounting method disclosed by the invention, the baffles and the distributing pipes are integrally fixed, and then are movably inserted into the collecting pipes, so that the collecting pipes can keep integral structures, and defects caused by the condition that plate grooves are cut in a conventional structure are overcome; therefore, the intensity of the collecting pipes is guaranteed, and the leakage is avoided.

The invention provides a high-efficiency condenser and an air conditioner with the same. The high-efficiency condenser can solve the problem that a heat exchanger of the prior art cannot give full play to heat exchange capacity, and adopts the technical scheme that: the high-efficiency condenser comprises a front row condenser, a back row condenser, a U-shaped tube, a fin, an inlet tube stack, an intermediate liquid distributing tube stack and an outlet fluid diversion tube stack, wherein the front row condenser and the back row condenser are provided with a plurality of fluid diversion branches; the front row condenser has a long row; and the back row condenser has a short row. The high-efficiency condenser is characterized in that: the flow paths of the fluid diversion branches are set into a combination of inverted U shapes and regular U shapes. The high-efficiency condenser optimizes the flow path of the condenser, newly designs the inner row heat exchanger, the outer row heat exchanger, the inlet tube stack, the outlet tube stack and the intermediate liquid distributing tube, uniformly distributes refrigerants in each flow path of the heat exchanger, improves the overall heat exchange balance, improves the heat exchange efficiency of the condenser and reduces the manufacturing cost of the condenser.

The invention relates to a device for uniformly distributing a liquid by using a dry evaporator and a use method thereof. The problems of complex structure, high sealing requirement and high processing difficulty exist in the conventional liquid distribution device. In a technical scheme of the invention, a gas-liquid refrigerant mixture is distributed more uniformly by using the uniform liquid distribution device in the dry evaporator. The device consists of a uniform liquid distributor, a correlated tube plate and a steam-generating bank. The device has the beneficial effects that: a conical cylindrical uniform liquid distributor is directly arranged in the tube orifice of the steam-generating bank, heat exchange is performed by fully utilizing all steam-generating banks, and energy efficiency is increased by 15-20 percent in comparison to the conventional liquid distribution device. The device is an energy-saving device which has a compact structure and low processing cost and is convenient to manufacture and install.

The invention relates to a nucleic acid detection device, method and system. The device comprises a microfluidics module, a temperature control area, a rotation module, a temperature control module and a detection module, wherein the microfluidics module comprises a microfluidic chip; the temperature control area is arranged below the microfluidic chip and comprises a first temperature area, a second temperature area, a thermal insulation area and detection holes; the rotation module is connected to the microfluidic chip; the temperature control module is connected to the temperature control area; and the detection module is used for detecting a fluorescence signal generated by samples in reaction holes through the detection holes, and a detection result is output. Through the cooperationof each module of the nucleic acid detection device, according to the nucleic acid detection device of the embodiment of the invention, nucleic acid purification and nucleic acid detection integrationcan be realized, operation flows are reduced, and therefore, working efficiency is improved.

Provided is a rotary multi-jet batch spinning device, relating to a static spinning device.The rotary multi-jet batch spinning device is provided with a collection drum, a liquid separation table, metal thin films, a cap table, rollers, roll balls, a coupler, a server motor, a motor rack, a support, a liquid supply device, a guide pipe and a high voltage power supply. An upper-layer guide board array and a lower-layer guide board array are arranged on the cap table and the liquid separation table. The liquid separation table and the cap table form a spinning nozzle body. Edges of the liquid separation table and the cap table are provided with groove arrays. Each groove in each groove array is distributed between two guide boards in the upper-layer guide board array. Upper and lower grooves are connected to form a micropore structure. Insides of the liquid separation table and the cap table are sprayed with the metal thin films connected with the power source. The bottom of the liquid separation table and the top of the support are provided with annular tracks, between which the roll balls for supporting are arranged. The bottom of the liquid separation table is provided with the rollers. The shaft segment at the bottom of the liquid separation table is connected with the server motor through the coupler. The server motor is fixedly connected with the support. The collection drum is of a circular structure. The collection drum and a spinning nozzle are arranged coaxially and connected to the ground.

The invention discloses a double-working condition liquid cold water unit which comprises a liquid ice making system arranged in a metal box body and an ice water storage box connected to the exterior of the metal box body. The double-working condition liquid cold water unit is characterized in that the liquid ice making system consists of a refrigeration compressor, an air-cooled condenser, a thermal expansion valve, an ice crystal device and a titanium pre-cooled heat exchanger which are sequentially connected by virtue of refrigerant pipes; the ice crystal device and the titanium pre-cooled heat exchanger are arranged in parallel; a distributor is arranged on a pipeline on which the refrigerant outlet of the thermal expansion valve is connected with the ice crystal device; and the distributor is connected with the ice crystal device by virtue of a capillary tube. The liquid ice making system is arranged in the metal box body, and the unit is compact in structure, small in occupied area and convenient to move; the ice crystal device and the titanium pre-cooled heat exchanger are arranged in parallel, so that the heat exchange efficiency is effectively improved, liquid ice is synchronously made, the ice output is rapid, and the energy consumption is reduced; and moreover, the thermal expansion valve and the distributor are utilized for throttling twice, so that liquid distribution is uniform, and the operating stability of the system is effectively improved.

The invention discloses an automobile door hinge corrosion resistance detecting device comprising a main body casing and a control cabinet, wherein the outer surface of the upper end of the main bodycasing is movably provided with a visible box cover, a connecting shaft is fixedly connected to the outer surface of the rear end of the visible box cover, the outer surface of the connecting shaft iscovered with a fixed iron piece, and a test box is fixedly mounted on the outer surface of the lower end of the visible box cover. The automobile door hinge corrosion resistance detecting device hasa relatively-comprehensive detection effect, and can ensure that the outer surface of a hinge is evenly heated and receives a uniform liquid during detection, so that test results are more accurate, the automobile door hinge corrosion resistance detecting device has a better waste liquid treatment effect to ensure the inside of the automobile door hinge corrosion resistance detecting device may not be corroded by an acidic liquid, the automobile door hinge corrosion resistance detecting device can better carry out centralized treatment and movement of waste liquid, has a better fixing effect,can better fix the hinge, and can adjust the length of a clamp according to the size of the hinge. The scope of use of the device is enlarged.

The invention discloses a micro-channel machine room air conditioner provided with a gas-liquid separation device arranged in front of an evaporator and used for a data center. The air conditioner comprises a compressor, a micro-channel condenser, a first capillary throttling device, a first gas-liquid separation device, the micro-channel evaporator (comprising a flute type distribution pipe), a second capillary throttling device and a second gas-liquid separation device, wherein one gas-liquid separation device is arranged in front of the micro-channel evaporator, so that a refrigerant in the micro-channel evaporator is in liquid state, uniform distribution by the aid of the micro-channel evaporator is facilitated, the refrigerating effect of the machine room air conditioner is guaranteed, and the heat exchange efficiency is improved.

The invention provides a micro-channel heat exchanger and an air conditioner. The micro-channel heat exchanger comprises heat exchange flat pipes (1), adapters (2), a first collecting pipe (3) and a second collecting pipe (4), wherein the first collecting pipe (3) is arranged at the first ends of the heat exchange flat pipes (1), the second collecting pipe (4) is arranged at the second ends of theheat exchange flat pipes (1), and the adapters (2) extend in the width direction of the heat exchange flat pipes (1); the adapters (2) are arranged at the first ends of the heat exchange flat pipes (1), and the first ends of the heat exchange flat pipes (1) are connected to the first collecting pipe (3) through the adapters (2); and/or the adapters (2) are arranged at the second ends of the heatexchange flat pipes (1), and the second ends of the heat exchange flat pipes (1) are connected to the second collecting pipe (4) through the adapters (2). According to the micro-channel heat exchanger, refrigerant flow distribution can be more uniform, and the heat exchange efficiency of the heat exchanger is improved.

The invention discloses an adjustable seedling raising frame for agricultural planting, and belongs to the technical field of agricultural instruments. The adjustable seedling raising frame comprisesa supporting frame body; a liquid storage tank is fixedly connected to the top face of the supporting frame body, a water pump is fixedly installed on the surface of the supporting frame body, one endof a water inlet of the water pump fixedly communicates with the liquid storage tank, a liquid supplementing pipe is fixedly connected between the inner surfaces of the supporting frame body, one endof a water outlet of the water pump fixedly communicates with the liquid supplementing pipe through a liquid conveying pipe, and a connecting frame body is fixedly mounted on the top face of the supporting frame body; and a driving mechanism is fixedly installed between the inner surfaces of the supporting frame body, the surface of the connecting frame body is connected with the driving mechanism, the surface of the supporting frame body is fixedly connected with a transmission motor, and one end of an output shaft of the transmission motor is connected with the driving mechanism. Through the design of a driven pressure seat, an elastic piece, a bottom frame body and a movable frame body in the driving mechanism, a fixed specification type structure of a traditional seedling raising frame is changed into an adjustable specification type structure, and during use, the height and the width of the device can be changed according to an actual scene.

The invention discloses a method for realizing uniform liquid separation on a hydrophobic polymer trace porous carrier. The hydrophilic modification method of the hydrophobic polymer trace porous carrier comprises the following steps: 1) cleaning a hydrophobic polymer trace porous carrier injection molded part; 2) placing the cleaned injection molded part into a generation cavity of a radio frequency plasma generator for surface modification treatment; 3) putting the surface-modified injection molded part into a hydrophilic modification enhancing liquid for soaking treatment; 4) taking out thesoaked injection molded part, draining off, and drying to obtain the hydrophilic trace porous carrier injection molded part. The obtained injection molded part has relatively high hydrophilicity, sothat the hydrophilic culture medium which is subpackaged or borne on the surface of the injection molded part can be rapidly and uniformly dispersed in each micro-hole under the small sub-packaging amount. A trace biochemical identification strip with the liquid separation function is treated by using the technology, after the trace biochemical identification strip is placed for 360 days, even liquid separation can still be carried out, and correct identification results can be guaranteed.

The invention discloses a multi-disc liquid distributor, which is used for distributing liquid in a packed tower. The multi-disc liquid distributor consists of a main liquid inlet pipe, liquid inlet branch pipes, liquid distribution pipes, flow limiting porous plates, liquid distribution discs and liquid falling pipes, wherein the liquid falling pipes are inserted into the liquid distribution discs; the liquid distribution discs are hung on the liquid distribution pipes; the flow limiting porous plates are arranged in the liquid distribution pipes; the liquid distribution pipes are connected with the main liquid inlet pipe or the liquid inlet branch pipes; the liquid inlet branch pipes are connected with the main liquid inlet pipe; each liquid distribution disc is of a circular structure with a bottom; nine to thirty eight liquid falling pipes are arranged in each liquid distribution disc and are arranged on one to four concentric circumferences; the number of the liquid distribution discs is determined by a tower diameter and liquid distribution point density; each liquid distribution disc corresponds to one liquid distribution pipe; the liquid radially flows to each liquid falling pipe after flowing out from the corresponding liquid distribution pipe; an overflow groove is formed in the side surface on the upper part of each liquid falling pipe; each liquid falling pipe penetrates out of the corresponding liquid distribution disc and extends to the respective liquid distribution point in packing. The multi-disc liquid distributor has the advantages of large number of liquid distribution points, uniform liquid distribution, light weight, convenience in installation and maintenance and the like.

The invention provides a vapor-liquid separation type liquid separator which comprises a liquid bag. The end of a liquid inflow header pipe extends to the upper portion of an inner cavity of the liquid bag. A fixing porous board is arranged in the inner cavity of the liquid bag and fixedly connected to the liquid inflow header pipe. Multiple liquid outflow branch pipes are inserted in holes of the fixing porous board. Each liquid outflow branch pipe is fixedly connected with the fixing porous board. One end of each liquid outflow branch pipe is located at the lower portion of the inner cavity of the liquid bag. The other end of each liquid outflow branch pipe is located on the outer side of the liquid bag. The portion, located at the upper portion of the inner cavity of the liquid bag, on each liquid outflow branch pipe is provided with a vent hole. By the adoption of the liquid separator, liquid is separated evenly, the problem that liquid of two-phase flow is not evenly separated through a traditional liquid separator is solved, the problem that the pressure losses of the traditional liquid separator are large is solved as well, and the liquid separator is particularly suitable for even liquid separation of the vapor-liquid two-phase flow. By the adoption of the vapor-liquid separation type liquid separator, the heat exchange efficiency of an air cooler can be improved through even liquid separation, and the energy consumption of a whole refrigeration system is reduced through reduction of pressure drop losses.

The invention provides a liquid distribution mechanism with a uniform liquid distribution function, an installation method thereof and an air conditioning system. The liquid distribution mechanism comprises a cylindrical body and a flow distribution pointed cone, wherein a liquid distribution cavity is formed in the cylindrical body, the flow distribution pointed cone is arranged in the liquid distribution cavity, and atop point of the flow distribution pointed cone is spaced from an axis of the cylindrical body. According to the liquid distribution mechanism with the uniform liquid distribution function, the installation method thereof and the air conditioning system provided by the invention, the distance between the top point of the flow distribution pointed cone and the axis of the cylindrical body is set, so that the top point of the flow distribution pointed cone points to a liquid phase concentration part, liquid phase refrigerant can uniformly enter a flow distribution hole under the flow guidance of the top point and a liquid distribution level, the problem that the refrigerant dryness in the flow distribution hole differs greatly due to uneven liquid distribution in theprior art is solved, and the purpose of uniform liquid distribution is achieved.

The invention discloses a microchannel refrigerating circuit. The circuit comprises a compressor, a microchannel condenser, a first capillary throttling device, a gas-liquid separation device, a microchannel evaporator (comprising a flute type liquid distribution pipe) and a second capillary throttling device, wherein one gas-liquid separation device is arranged in front of the microchannel evaporator, so that a refrigerant entering the microchannel evaporator is ensured to be in a liquid state, uniform liquid distribution of the microchannel evaporator is facilitated, the refrigerating effect of the refrigerating circuit is guaranteed, and the heat exchange efficiency is improved.

The invention provides a liquid separation device and an air conditioner comprising the liquid separation device. The liquid separation device comprises a gas-liquid separator, a liquid guide tube, a connecting tube, a gas-liquid mixing chamber, and a liquid separation tube, wherein the gas-liquid separator is provided with a first inlet, a first outlet and a second outlet; the liquid guide tube is communicated with the gas-liquid separator by the first outlet; the connecting tube is communicated with the gas-liquid separator by the second outlet; the gas-liquid mixing chamber is provided with a third inlet, a second inlet and a third outlet; the third inlet is communicated with the liquid guide tube; the second inlet is communicated with the connecting tube; and the liquid separation tube is communicated with the third outlet of the gas-liquid mixing chamber. With the adoption of the technical scheme, the gas-liquid mixing chamber is arranged between the liquid separation tube and the gas-liquid separator, so that gas and liquid phase refrigerants before entering the liquid separation tube can be uniformly mixed, distribution of the refrigerants in the liquid separation tube is improved, and liquid separation of the liquid separation tube can be more uniform.