69results about How to "Increase the exchange area" patented technology

A method for accumulating cold by dynamic ice includes such steps as loading the mixture of water and the cold medium in the form of liquid colloid deposited under water in a conic energy accumulator, pumping said cold medium from the bottom of said conic energy accumulator into heat exchanger, heat exchanging for cooling it to the temp lower than zero deg.C, holding it in the form of liquid as its setting point is lower than zero deg.C, spraying it into upper water layer in said accumulator by ultrasonic nozzle, and crystallizing the water to form floating ice crystals while depositing said cold medium. Its apparatus is also disclosed.

A total heat exchanging element 10 includes a partitioning component 1, 1 to which a water-soluble moisture-absorbing agent has, been added that is a component partitioning between a first laminar air-flow path 4 and a second laminar air-flow path 5 that are layered; a spacing component 2, 2 that forms the first laminar air-flow path 4 and the second laminar air-flow path 5 and maintains a space between the partitioning components 1, 1; and an adhesive agent 3 that adheres the partitioning component 1, 1 and the spacing component 2, 2. The adhesive agent 3 is a water-solvent-type adhesive agent saturated with a water-soluble moisture-absorbing agent. The partitioning component 1, 1 and the spacing component 2, 2 are made from a liquid-absorbing material that absorbs water and substances dissolved in the water.

The invention relates to a temperature exchanging element made by extrusion and able to receive a heating element and/or heat conducting element, and radiation fins. It is constituted of a single-piece base incorporating an external face equipped with means to receive the radiation fins, and an inner face equipped with at least one means to integrate the heating and/or heat conducting element, said reception and integration means being made during the extrusion of the base. Application to the manufacture of a radiation module, a dryer, an air conditioner, a solar energy collection device.

The invention discloses a modularized forming machine waste heat recovery machine. The waste heat recovery machine comprises a shell and a heat exchange device, wherein the shell is provided with a waste gas inlet, a waste gas outlet, a fresh air inlet and a fresh air outlet; the heat exchange device comprises a heat pipe, a partition plate and fins; the partition plate is arranged on the heat pipe; the fins are arranged on two sides of the pipe body of the heat pipe; the heat pipe is vacuum and is filled with working medium; and the working medium is heat conducting oil. In the waste heat recovery machine, fresh air can be effectively heated by waste heat of the waste gas discharged by a thermal forming machine and then is returned into the thermal forming machine, so that production cost is saved, heat energy recovery rate is increased, matters such as cotton batting, rag and the like included in the waste gas can be filtered, and fire hazard can be eliminated.

The invention discloses an organic solvent rinsing tower which is especially used for removing dust from an inert gas and cooling and recycling organic solvents (such as ethanol and hexane) in the gas. The organic solvent rinsing tower comprises a rinsing tower shell, wherein a gas inlet is formed in the side wall at the bottom of the rinsing tower shell, a gas outlet is formed in the top of the rinsing tower shell, the opening of the gas inlet faces to the tangential direction of the inner wall of the rinsing tower shell, an upper spray head, a filling layer, a baffle plate, a bubbling dust removal mechanism and a lower spray head are sequentially arranged between the gas outlet and the gas inlet from top to bottom, the filler of the filling layer is strip-shaped or granular, the bubbling dust removal mechanism comprises a liquid storage tank vertical to the axial line of the rinsing tower shell and a liquid layer located in the liquid storage tank, and minipores are densely distributed on the liquid storage tank. According to the invention, by changing the air intake direction and arranging the filling layer, the baffle plate and the bubbling dust removal mechanism, and the exchange area of the gas and the liquid is increased, so as to quickly reduce the temperature of the organic solvent in the gas, significantly improve the dust removal effect and completely recycle the organic solvent in the gas.

The invention provides a double-cone atomization gas-liquid reactor, which belongs to the technical field of chemical equipment. A shell of the reactor is of a top-bottom double-cone structure; a jacket is arranged out of the shell of the reactor; a liquid phase inlet pipe is arranged at the top of the shell of the reactor, and an inlet end of the liquid phase inlet pipe is provided with a solid cone-shaped nozzle; the lower part of the shell of the reactor is provided with a gas phase inlet pipe, and an inlet end of the gas phase inlet pipe is provided with a disc-like gas phase distributor; and a liquidometer is arranged out of an outlet pipe at the bottom of the shell of the reactor. With the double-cone atomization gas-liquid reactor provided by the invention, a dispersing effect of a gas-liquid material in the reactor is improved, liquid is completely atomized by using the nozzle, a gas-liquid exchange area is increased, a conversion rate of gas-liquid reaction is improved, generation of reaction by-products is reduced, reaction time is shortened, polymerization of thermosensitive substances is effectively prevented, operation is easy and convenient, and reaction security is substantially improved.

The invention relates to a sample pretreatment treatment instrument, in particular to a full-automatic liquid-liquid sample treatment instrument. The treatment instrument comprises a solvent conveyingsystem, a separating system, a purifying and concentrating system and a control system; the solvent conveying system consists of a solution supplying system and an injection pump system; the solutionsupplying system, the injection pump system, the purifying and concentrating system and the separating system are separately connected with a main pipeline; the control system is electrically connected with each of the solution supplying system, the injection pump system, the purifying and concentrating system and the separating system respectively. The full-automatic liquid-liquid sample treatment instrument has the advantages of rapidness, easiness and convenience; time and labour are saved, and errors caused by operating by different personnel and transferring a sample frequently can be reduced; meanwhile, the use of a large amount of organic solvent can be avoided so as to reduce the pollution to the environment.

The invention discloses a heat dissipation device. The heat dissipation device is installed in an electrical equipment for dissipating heat from a circuit board inside the electrical equipment. The heat sink is provided with a copper column for installation; a guide rail device for installing the heat sink, the guide rail device is arranged on the casing of the electrical equipment, the heat sink is arranged on the guide rail device, and is connected to the guide rail device The guide rail device forms a heat conduction path, and also includes an auxiliary installation column, the auxiliary installation column is arranged on the installation copper column, and there is an installation gap for clamping the circuit board between the auxiliary installation column and the installation copper column . The heat dissipation device provided by the invention can not only solve the problem of local heat generation of components but also dissipate heat from the whole machine, has high heat dissipation efficiency and good heat dissipation effect, and also has the functions of fixing and position limiting to improve assembly efficiency.

The invention discloses a sea horse culture pond. A water outlet pipe (3) composed of an outer sleeve (12) and an inner sleeve (15), an attachment base (2) composed of a supporting pipe (7), a U-shaped framework (8) and an attachment mesh (9), an inverted L-shaped aeration pipe (1), a microporous aeration device (4) composed of a three-way pipe (11) and nanotubes (16) connected to the two ends of the three-way pipe (11), a water inlet pipe (6) and a filter screen (5) are arranged in the culture pond (10). According to the sea horse culture pond, the static pond water is changed to circularly flow, so that the feed desire of sea horses can be improved while the activities of sea horses are increased; in combination with the suspended attachment base, faeces and residual feeds can be concentrated, and therefore, the water environment can be cleaned and improved conveniently and the artificial interference on sea horses are reduced; finally, the labor cost is reduced, and the growth rate and the survival rate of the sea horses are increased. The use of the culture pond is helpful for realizing large-scale, healthy and efficient culture of the sea horses.

The invention discloses an energy-saving variable-frequency and variable-speed motor. The motor comprises a main shaft. The external of the main shaft is fixedly provided with a rotor, and a stator isarranged outside the rotor. The stator is fixedly mounted on an inner wall surface of a casing, and a front end axis position of the casing is provided with a bearing seat. The front end of the mainshaft is mounted with the bearing seat in a matched manner by a sliding bearing. An opening is arranged on the rear end of the casing, and a back net is arranged on the opening in a matched manner. Four vertical supporting columns are fixedly disposed on the lower end of the casing. The supporting column is installed in cooperation with a base, and the tail end of the main shaft is provided with aspeed regulating mechanism. The speed regulating mechanism is fixedly arranged with the casing by a mounting plate. The speed regulating mechanism is internally provided with fan blades. The energy-saving variable-frequency and variable-speed motor radiates heat by using the fan blades which can infinitely change speed in the casing, and changes of fan blade rotation speed is independent of changes of main shaft rotation speed, and the fan blade rotation speed is improved without through improving the main shaft rotation speed, and energy consumption is reduced.

The invention discloses a high-efficiency heat dissipation case for a computer, and belongs to the field of computer parts, the high-efficiency heat dissipation case for the computer comprises a heat dissipation case body, the outer end of the heat dissipation case body is provided with a regulation and control type heat dissipation plate, and the regulation and control type heat dissipation plate is arranged on the outer end of the heat dissipation case body; the cooling reactants are condensed after encountering cooling liquid, then the purpose of rapid cooling is achieved, the heat dissipation efficiency in the heat dissipation case body is effectively improved, meanwhile, an adaptive adjusting plate is controlled to move towards the interior of a regulation and control type heat dissipation plate through matched use of a temperature sensing magnetic variable piece and a magnetic push piece, an adjusting air hole is opened, and the heat dissipation efficiency is improved. According to the heat dissipation case, the heat dissipation case body and the outside air exchange area is enlarged, cold air outside the heat dissipation case body can conveniently enter the heat dissipation case body, the ventilation and heat dissipation efficiency in the heat dissipation case body is further improved, damage of high temperature to parts in the heat dissipation case body is effectively reduced, and the service life of the heat dissipation case is effectively prolonged.

The invention relates to a filling structure used for a fluid exchanging column. The structure restricts an exchanging surface for at least one liquid phase flowing downwards closely contacted with at least one gaseous phase flowing upwards. The structure is characterized in that the invention comprises multi-row containers formed by pipe bundle consisting of pipes (10); each pipe bundle comprises four pipes (10a to 10d) which respectively form the four direction (D10a to D10d) orientations with a certain angle with the axis line of the structure; the pipes form the passage of the external surface leading to the structure (1).

The invention relates to the technical field of mechanical devices, especially to a double-positive-pressure adjusting device for surgical breathing equipment. The device comprises: a first connectingpipe and a mounting ring, wherein an annular step surface is arranged in one end of the first connecting pipe, an annular groove is formed in the inner side of the first connecting pipe, an adjustingring is embedded in the annular groove, the adjusting ring is attached to the side wall, protruding relative to the annular step surface, of the end of the first connecting pipe, and a first circulation channel and a second circulation channel are correspondingly formed in the adjusting ring and the side wall; and the mounting ring is mounted at one end of the first connecting pipe, the adjustingring is limited in the annular groove after connection, at least two supports connected with two ends of the inner wall of the mounting ring are arranged in the mounting ring, the supports are arranged in an intersecting mode, filter screens are arranged in gaps, fan-shaped cover bodies capable of being folded and closed are arranged at the tops of the filter screens, and opening and closing of the fan-shaped cover bodies are achieved in the rotating process of the adjustment ring. According to the invention, two different positive pressure values are effectively provided, and the device is high in inclusivity to gas, capable of realizing effective filtration of gas flow and has extremely high safety.

A metal heat treatment quenching system comprises two sliding beams which are horizontally arranged in parallel, wherein the bottom of each sliding beam is mounted on the ground through two supporting beams, the opposite sides of the two transverse supporting beams are fixedly connected through a mounting strip, and the mounting strip is fixed to the ground through a mounting piece; a drive device slides on the two slide beams and moves left and right below the two slide beams in the horizontal direction, and the front side and the rear side of the drive device are fixedly connected to metal piece lifting mechanisms. According to the metal heat treatment quenching system disclosed by the invention, the drive device, the metal piece lifting mechanism, the heating device and the quenching device are arranged, the metal piece lifting mechanism adjusts the height of a metal piece, and the drive device can drive the metal piece to transversely move left and right, so that the metal pieces can be conducted more rapidly and continuously in each step, and the machining continuity, stability and flexibility of the whole system are improved.

The invention discloses an air heater in a food baking oven. The air heater comprises a baking oven, a heat exchange tube, a fan, and a burner. The heat exchange tube and the fan are disposed in the baking oven. The burner is disposed outside the air heater. The baking oven is provided with an air inlet and an air outlet. The heat exchange tube comprises a heating segment, a radiating segment and a tail gas segment. The heating segment is a linear tube, and one end of the heating segment is communicated with the air inlet. The radiating segment is a bend, and one end of the radiating segment is communicated with the other end of the heating segment. The other end of the heating segment is in transitional communication with one end of a tail gas tube. The tail gas tube is also a bend, and the other end of the tail gas tube is communicated with the air outlet of the baking oven. A nozzle of the burner is disposed inside the heating segment. The fan is disposed on the side wall of the baking oven. Heat exchange efficiency of the heat exchange tube can be improved, tail gas is exhausted from the baking oven, and safety and sanitation of food can be guaranteed.

The invention discloses a waste gas residual heat reclaiming system with a metering device. The system comprises a box body and a heat pipe, a partition plate for partitioning the cavity of the box body into a waste gas sub cavity and a fresh air sub cavity is sleeved on the heat pipe, the waste gas sub cavity is provided with a high-temperature waste gas inlet and a low-temperature waste gas outlet, and the fresh air sub cavity is provided with a low-temperature fresh air inlet and a high-temperature fresh air outlet; the evaporation section of the heat pipe is positioned in the waste gas sub cavity, and the condensation section of the heat pipe is positioned in the fresh air sub cavity; an inlet temperature sensor and a Pitot tube are arranged at the low-temperature fresh air inlet, and an outlet temperature sensor for acquiring the temperature of fresh air subjected to heat exchange is arranged at the high-temperature fresh air outlet; and both the fresh air temperature sensed by the inlet and outlet temperature sensors and the fresh air flow rate acquired by the Pitot tube are input to a processor, and the processor is connected with a display device. The system has the advantages of reclaiming the residual heat in the waste gas, converting the high-temperature waste gas into normal-temperature or low-temperature waste gas and then discharging the waste gas, saving energy, facilitating environment friendliness and intuitively expressing energy saving amount.