61results about How to "Improve reflux efficiency" patented technology

The invention belongs to the technical field of computer radiation and particularly relates to a CPU (central processing unit) integrated heating pipe radiator structure. A rectangular cross-section condensation heating pipe is arranged above a flat plate evaporation heating pipe; the downside of the flat plate evaporation heating pipe is in direct contact with a heat source; fiber liquid absorbing core structures which are laminated are arranged in the flat plate evaporation heating pipe; a through hole supporting frame is arranged in the rectangular cross-section condensation heating pipe; radiating fins are arranged outside the rectangular cross-section condensation heating pipe and combine the flat plate evaporation heating pipe and the rectangular cross-section condensation heating pipe into a whole and communicate the flat plate evaporation heating pipe with the rectangular cross-section condensation heating pipe to form an inner passage type structure; the fiber liquid absorbing core structures are formed by arranging three cylindrical metal wires of which the circles are tangential to one another; a flowing passage is arranged between every two metal wires. The CPU integrated heating pipe radiator structure has the beneficial effects that due to the fact that the flat plate evaporation heating pipe is in direct contact with the heat source, the contact heat resistance is reduced, and the heat transfer power is high; a larger condensation area is obtained on the basis that steam is enabled to fully flow by the rectangular cross-section condensation heating pipe, and the heat transfer performance is high.

The invention provides a heat tube which comprises a metal tube, wherein the metal tube is sealed in two ends and is hollow; a work fluid is filled in the metal tube; a plurality of grooves extending along the length direction of the metal tube are formed in the inner wall of the metal tube; a metal net formed by mutually intersecting and knitting a plurality of metal bundles is sleeved in the metal tube; the metal net is formed by arranging a plurality of metal wires in parallel; and an elastic part is sleeved in the mesh net and applies an outward elastic force to the metal net, so that the mesh net is tightly attached to the inner wall of the metal tube. According to the heat tube disclosed by the invention, each metal bundle of the metal net is formed by arranging a plurality of metal wires in parallel; a plurality of fine groove grains formed by treating are formed on all or part of metal wires of each metal bundle; and the fine groove grains extend along the length direction of the metal wires. Each metal bundle contains a plurality of metal wires, so that reflowing channels of the metal bundle are increased; and particularly, the fine groove grains are formed on the metal wires, so strong hydrophilicity and water retention property can be realized, and the dry combustion can be avoided.

The invention discloses a flat type radiating pipe and a manufacturing method thereof. The flat type radiating pipe comprises a tube cavity with two closed ends and a tube wall axially surrounding the tube cavity; the tube cavity and the tube wall are axially provided with an evaporation section, a heat insulation section and a condensation section sequentially; the tube cavity is internally provided with a main capillary structure and an auxiliary capillary structure, wherein the main capillary structure contacts with the tube wall of the evaporation section and extends to the heat insulation section of the tube cavity; the auxiliary capillary structure contacts with the tube walls of the heat insulation section and condensation section; in the heat insulation section of the tube cavity,the auxiliary capillary structure is partially covered by the main capillary structure; and a working medium is filled in the tube cavity enclosed by the main capillary structure and the auxiliary capillary structure. The flat type radiator can be used for solving the ponding problem occurring after the radiating pipe is beaten to be very thin; the capillary force of the flat type radiator is improved, the working medium conveying ability is enhanced, and the backflow efficiency of the working medium is improved; and moreover, the composite capillary structure ensures that the heat transfer performance of the radiating pipe is greatly improved, thus the heat transfer efficiency of the flat type radiating pipe is enhanced.

The invention provides a PLC-controlled external bile regurgitation apparatus comprising a housing, a bile storage bag inside the housing, an inlet guide tube and an outlet guide tube. The inlet guide tube and the outlet guide tube are connected with the bile storage bag and disposed on the housing. A peristaltic pump, a motor connected with the peristaltic pump, a PLC (programmable logic controller) for controlling the motor and a detection sensor for detecting bile storage in the bile storage bag are disposed inside the housing. The detection sensor is connected with the PLC. The peristaltic pump is disposed at the outlet end of the bile storage bag. The detection sensor is disposed at the inlet end of the bile storage bag. The outlet guide tube is connected with the bile storage bag through the peristaltic pump. The PLC-controlled external bile regurgitation apparatus is simple in structure and convenient to use; the detection sensor allows the apparatus to detect stored quantity of bile in the bile storage bag in real time; the PLC allows the apparatus to automatically control stored quantity of bile; external bile regurgitation can be achieved timely and effectively; compared with the prior art, the PLC-controlled external bile regurgitation apparatus is high in regurgitation efficiency, accuracy and practicality.

The invention discloses a thread end knotting device, a thread winding system and a thread end knotting method. The thread end knotting device fixes a full thread wheel and drives the full thread wheel to rotate by arranging a driving shaft and a driven shaft, and knotting operation of a thread end of the full thread wheel is achieved through cooperation of an automatic clamping jaw capable of revolving around the driven shaft and a thread end grasping device. The full thread wheel can be taken down from the winding machine for off-thread knotting, while knotting is carried out, an empty thread wheel can be placed on the winding machine again for winding, the utilization rate of the winding machine can be improved, and the machining efficiency is improved.

The invention relates to a heat pipe which comprises a pipe body, wherein the pipe body comprises an evaporating part and a condensing part which are positioned at the two ends of the pipe body; the pipe body in the evaporating part region is provided with a smooth inner wall, and the smooth inner wall is covered with a master capillary structure; and the inner wall of the pipe body in the condensing part region forms an auxiliary capillary structure, and the capillary force of the auxiliary capillary structure is less than the capillary force of the master capillary structure. The method for manufacturing the heat pipe comprises the following steps of: providing the pipe body, wherein the pipe body comprises the inner wall with the auxiliary capillary structure; eliminating the auxiliary capillary structure at one end of the pipe body, and forming the smooth inner wall; providing a steel bar, and plugging one end of the steel bar with the auxiliary capillary structure into the pipe body to fill the pipe body with the auxiliary capillary structure; filling powder into the pipe body with the smooth inner wall; sintering the pipe body filled with the powder to form the master capillary structure; and extracting the steel bar.

The invention relates to a wastewater treatment method and discloses a process control method of a modified sequencing batch reactor (MSBR) system. The process control method includes that sequencing batch reactor (SBR) reaction tanks are operated alternately and intermittently and correspondingly regulate the process control method according to ambient temperatures or inflow water quality conditions. The process control method of the MSBR system has the advantages of being concise in operation modes, sufficient in aeration time and pre-setting time and capable of facilitating sediment and reducing suspended substance (SS) in discharged water, and the whole system performs continuous water inflow and continuous backflow to guarantee full mixing of backflow sludge and inflow water, so that automatic control and daily production management are facilitated; and the process control method is capable of achieving the best treatment effect under conditions of different temperatures and different inflow water qualities.

The invention relates to a reaction kettle for synthesizing scale and corrosion inhibitors from allantoin production waste liquid, which is characterized in that it includes a reaction kettle body, an inner jacket, an outer jacket, a condenser, a cooling liquid storage tank, Cooling liquid replenishment tank, gas absorption tank and controller, the reactor body is provided with an inner jacket and an outer jacket, the top of the reactor body is provided with a feeding port, and the top of the reactor body is connected to a condensing The top of the condenser is connected to the gas absorption tank through a pipeline, and the cooling liquid storage tank is connected to the cooling liquid replenishment tank through a circulation pipeline. The reaction kettle has precise temperature control and high reflux efficiency. Absorption, high synthesis efficiency, clean and environmentally friendly synthesis process, can meet production needs.

The invention discloses an ejector for air circulation of a fuel cell. The ejector is used in air path circulation of a fuel cell system, and comprises an ejector body; the input end and the output end of the ejector body are respectively provided with a galvanic pile inlet valve and an ejector outlet, and the ejector outlet is used for communicating with a galvanic pile air inlet; a backflow inlet is formed in the inner wall of the ejector body and is communicated with the galvanic pile outlet; and secondary fluid at the galvanic pile outlet is ejected into the ejector body by the backflow inlet, and is fully converged with primary fluid introduced by the electric pile inlet valve. According to the ejector, the structural diameter size of the inlet and the outlet is increased, and the diameter size of the backflow inlet is reduced, so that the ejector is suitable for an air path of a fuel cell system, the ejection requirement of the air path is met, and the liquid ejection function of the ejector is improved. The ejector realizes the circulation of air in the air path, improves the flow of the air in the air path, and increases the humidity of the air in the air path, thereby improving the performance of the fuel cell.

The invention relates to the technical field of sewage treatment equipment, and particularly relates to an efficient sludge reflux device. The efficient sludge reflux device comprises a main device body, a sewage lift pump and a regulating reservoir, wherein the main device body is divided into an anaerobic zone, a primary aerobic tank, a secondary aerobic tank, a settling pond and a clean-water reservoir; the regulating reservoir is arranged at the right side of the main device body; the sewage lift pump is arranged at the bottom of the regulating reservoir and is connected with the main device body through a transmission pipeline; an effluent discharge outlet is formed in the left side of the main device body; a gas-water mixer is arranged at the top end of the anaerobic zone, and is communicated with the earth's surface through an air inlet pipe; and a sludge suction trumpet opening is formed in the bottom of a settling zone, and is connected with the gas-water mixer through the transmission pipeline. The improved efficient sludge reflux device is simple in structure, and stable and reliable to work; automatic siphon reflux is achieved by virtue of the gas-water mixer; a reflux pipe is effectively prevented from being blocked; and the sludge reflux efficiency is effectively improved.

The invention discloses an oil return structure for a cooling fan. The oil return structure for the cooling fan comprises a base frame, a bearing, a stator, fan blades and a rotor, wherein the bearing, the stator, the fan blades and the rotor are installed on the base frame, an upwards protruding and hollow central pillar is formed in the middle of the base frame, the bearing is installed in the central pillar, a rotation shaft is matched with the bearing so that the fan blades can be arranged on the base frame, an oil return frame and an insulating annular piece are installed on the central pillar of the base frame, a first interval is formed between the central pillar of the base frame and the bearing, a second interval is formed between the bearing and the rotation shaft, the parts, making contact with the fan blades, of the oil return frame, the insulating annular piece and the rotation shaft passing through the first interval and the second interval form a plurality of circulating oil-return flowing passages in a matched and blocking mode, and grease thrown out from the fan blades flows back to the bearing through the oil-return flowing passages. The oil return structure for the cooling fan can basically recycle all the thrown-out lubricating grease through the oil-return flowing passages, enables the lubricating grease to be recycled continuously, is high in backflow efficiency of the lubricating grease, and can effectively reduce noise and frictional force for a long time.

The invention discloses a heat pipe soaking plate and a manufacturing method thereof. The heat pipe soaking plate includes an upper cover and a bottom box forming a sealed packaging cavity, and a porous capillary core assembly, which is located in the middle of the packaging cavity and is respectively It is connected with the lower surface of the upper cover and the upper surface of the bottom box. The lower surface of the upper cover and the upper surface of the bottom box are respectively provided with a first channel and a second channel distributed on the left and right sides of the porous capillary core assembly. It is vacuumed and injected with working fluid; the manufacturing method of the heat pipe vapor chamber includes the steps of making an upper cover and a bottom box, making and fixing a porous capillary core component, cleaning and cavity sealing welding, liquid injection and sealing, and the like. The heat pipe vapor chamber provided by the present invention, through the special design of the liquid-absorbing core, accelerates the return flow of the working fluid, effectively improves the working efficiency, and has good heat transfer performance and heat dissipation capacity; the manufacturing method of the heat pipe vapor chamber provided by the present invention is simple Easy to operate.

The invention provides a horizontal suspension sludge air-lift backflow method. The method mainly comprises the following steps: sludge is sucked completely and in equilibrium and lifted to a biochemical reaction tank for recycling by arranging a horizontal plane-type air-lift micro-power backflow device in a suspension thick activated sludge layer and utilizing sludge suction pipes of the backflow device, which are horizontally arranged in the vertical and horizontal directions, and a compressed air control device outside the tank adjusts the air volume to control the quantity of backflow. Compared with the conventional sludge backflow method, the horizontal suspension sludge air-lift backflow method provided in the invention has a high backflow efficiency, there is no dead area or dead angle of sludge return in the large-area suspension sludge layer, and the backflow is in equilibrium; and besides, the activated sludge floc structure is not damaged, the control of backflow quantity is flexible, rapid and visual, no moving part or electrical equipment is used under water, and the backflow reliability is extremely high. Furthermore, an aeration blower of a sewage treatment plant is adopted for air supply, the corrected energy consumption for air-lift backflow is extremely low, and the energy-saving effect is obvious.

The invention discloses a gasoline metering and backflow device with a gasoline blocking mechanism. The gasoline metering and backflow device with the gasoline blocking mechanism comprises a metering mechanism and a backflow mechanism; the metering mechanism comprises a liquid inlet communicating with a gasoline tank, a liquid outlet communicating with an engine, a liquid conveying pipeline, and a flowmeter arranged in the liquid conveying pipeline; a gasoline return opening is formed in the engine; the backflow mechanism comprises a first cavity, a liquid return opening formed in the first cavity and communicating with the gasoline return opening, a through hole formed in the lower portion of the first cavity and communicating with the liquid conveying pipeline, a gas outlet formed in the upper portion of the first cavity, the gasoline blocking mechanism arranged in the first cavity and located below the liquid return opening, and a control mechanism arranged inside the first cavity; the control mechanism comprises a rotary shaft rotationally arranged in the first cavity, a floater arranged at one end of the rotary shaft and located in the first cavity, and a plug ball arranged at the other end of the rotary shaft and located in the liquid conveying pipeline; and the gasoline blocking mechanism is located above the floater. The gasoline blocking mechanism is arranged above the floater so as to buffer high-pressure gasoline flowing into the first cavity, and the backflow efficiency is high.

The invention discloses a distillation reflux instrument for detecting volatile matters in food and a sample pretreatment method, and the distillation reflux instrument comprises: a distillation unit which is used for distilling a to-be-treated sample; a heating unit used for providing water vapor for the distillation unit so as to heat the to-be-treated sample; an end point quantification unit for monitoring the amount of fraction produced by the distillation unit; and a control unit used for controlling the on-off of circuits of the distillation unit and the heating unit according to a signal output by the end point quantification unit. The instrument has the advantages of water resource saving, is simple and reliable in test operation, high in automation degree and good in man-machine interaction, can effectively improve the detection efficiency and the detection precision, is suitable for determination of the contents of nitrosamine, cyanide, volatile phenol and the like in organic matters, and has the advantages of novel idea, good safety, sample pollution prevention and high reflux efficiency.