64results about How to "Guaranteed reflow" patented technology

The invention discloses an irregularly-shaped rotary heat pipe applicable to various rotation speeds. The heat pipe comprises a heat pipe main body, wherein the lower section of the heat pipe main body is a heat pipe evaporation section; the upper section of the heat pipe main body is a heat pipe cooling section; a condensate reflow structure is machined on the inner wall of the heat pipe; the lower end of the heat pipe evaporation section is provided with at least one branch layer; each branch layer is provided with at least two dendritic heat absorbing pipes; the heat absorbing pipes are uniformly distributed by taking the heat pipe main body as the center and extend towards the side lower part; the outer surfaces of the heat absorbing pipes are provided with ribs to form blades. Under the condition that the evaporation section of the heat pipe type stirring paddle is at a lower rotation speed, the gravity is used as main power for reflow of a working medium. Under the condition of higher rotation speed, centrifugal force produced by rotation is used as main power for reflow, so that the heat pipe type stirring paddle has excellent adaptability at various rotation speeds.

The invention relates to a pulverized coal burner, discloses a pulverized coal burner for a four-corner tangential burning and W-type flame burning pulverized coal boiler, and specifically discloses a vertical rich-lean separated pulverized coal burner. The rich-lean separated pulverized coal burner is characterized in that the two sides of the inner wall of a burner inlet elbow are provided with a fixed separating link stopper I and a fixed separating link stopper II, the two sides of the circumference section inner wall of a burner inlet are provided with fixed separating link stoppers III, and a pulverized coal concentrator is internally connected with an adjustable link stopper through a rotating shaft; and the inclination angle (alpha 1) between the fixed separating link stopper I and the inlet elbow is 5 degrees to 45 degrees, the length (L1) of an inclined plane of the fixed separating link stopper I is 30-200 mm, and the inclination angle (alpha 2) of the fixed separating link stopper II is 5 degrees to 45 degrees. The rich-lean separated pulverized coal burner provided by the invention has the positive effects that the structure is simple, the cost is low, the operation and use are rapid, the installation and disassembly are convenient and accurate, and the rich-lean separated pulverized coal burner has the advantages of being safe and reliable, low in NOX discharge, efficient in burning and long in service life, and preventing scorification and high-temperature corrosion.

The invention discloses a cardio-pulmonary resuscitation machine with a high-frequency ventilation function. The cardio-pulmonary resuscitation machine comprises a bottom plate, an upright, an external chest compressor, a controller shell, a high-frequency ventilation electromagnetic valve and a high-frequency ventilation air source connector, wherein the upright is arranged on the side of the bottom plate, the external chest compressor is arranged on the upright, the controller shell is mounted at the top end of the upright or on the bottom plate, the high-frequency ventilation electromagnetic valve is mounted in the controller shell, and the high-frequency ventilation air source connector is arranged on the controller shell. An air outlet of the high-frequency ventilation electromagnetic valve is connected with the high-frequency ventilation air source connector through a pipeline, and the high-frequency ventilation electromagnetic valve is electrically connected with a compression ventilation controller in the controller shell. The cardio-pulmonary resuscitation machine has the advantages that on the basis of a conventional cardio-pulmonary resuscitation machine, the open type high-frequency ventilation function is added, so that the cardio-pulmonary resuscitation machine can be switched to use between an intermittent positive-pressure ventilation function and the open type high-frequency ventilation function, application range is broadened, and the cardio-pulmonary resuscitation machine is applicable to emergency treatment of various critical patients with respiratory failure and asphyxia.

The invention relates to a compound rehabilitation system. The rehabilitation system comprises a rehabilitation training bed, a lower-limb pulling muscle joint training module in the accommodating cavity and a control system, wherein the rear half part of the rehabilitation training bed is provided with an accommodating cavity; a lower limb blood circulation rehabilitation module is fixed on the lower-limb pulling muscle joint training module; and the control system comprises a microprocessor, a memory, an input module, an output module, a rotary coder, a pulling motor speed-regulation controller, an overload torque sensor, an air pressure sensor, a temperature sensor and a communication module. The compound rehabilitation system integrates joint motion, muscle extension, blood vessel function and blood circulation into a whole, is used for controlling motion of the rehabilitation system by means of the control system, and is intelligent since spontaneous determination can be carried out according to the rehabilitation training condition of a patient; and rehabilitation training condition of a patient can be carries safety and efficiency.

The invention discloses an isoolefine production method comprising the following procedures: the tower top product of a second fraction column is obtained in gas phase; and the gas is heated to an ether cracking reaction temperature and enters into an ether cracking reaction vessel after compression. Therefore, gas phase condensation and repeated heating are avoided, required recirculated water and steam are less, the equipment energy consumption is lower, the operating pressure of the second fraction column is lower, the separation effect of the fraction column is improved, and the operation is facilitated. In the isoolefine production method, the gas phase reaction product at the outlet of the ether cracking reaction vessel is compressed to serve as the heat source for a fifth fraction column reboiler, and is sent to a third fraction column after condensation, so that the total steam amount and the recirculated water amount are reduced, and the equipment energy consumption is further lowered.

The invention discloses an electric imaging calibration well group which at least comprises one or more than one calibration well for verifying and scaling an electric imaging logging instrument, wherein the calibration well at least comprises a rock module (3), and an instrument through hole (4) formed in middle of the rock module (3); a radial gap is included behind the inner wall image of the rock module (3). The radial gap behind the inner wall image of the rock module is used for ensuring backflow of a measurement signal. Thus the imaging precision to the image of the electric imaging logging instrument is improved.

The invention discloses a disposable embedded water stop joint for constructional engineering drainage and a construction method thereof. The water stop joint comprises a connecting pipe, a positioning ring, a water stop step, a base, a connecting hole, an arc-shaped lower water stop step ring, reinforcing ribs, a water stop hole, a spherical screen mesh and an upper water stop ring and can be applicable to pipeline penetration and installation of cast-in-place floors of rest rooms, kitchens, balconies, terraces and the like of residential building houses, and the installing accuracy of the water stop joint can be well ensured and the installation quality problem of the water stop joint can be prevented by arranging the positioning ring. In addition, the disposable embedded water stop joint can effectively prevent seeped water produced in surrounding gaps of the water stop ring in the construction process from causing leakage by being provided with the arc-shaped lower water stop step ring and the water stop hole, and ensures backflow of the seeped water. The disposable embedded water stop joint also prevents the blockage effect on the water stop hole of concrete sand in the construction process by being provided with the spherical steel wire mesh, can ensure the effect playing of the water stop hole and improves a water stop effect.

The invention belongs to the technical field of temperature regulating, and aims at providing an indoor vehicle temperature regulating device and a temperature regulating method thereof. The indoor vehicle temperature regulating device comprises a fluid output circulating assembly, a fluid input circulating assembly, a thermal insulating storage filled with thermal insulating fluid and seat temperature regulating devices arranged on seats. Under the condition that an existing air conditioning device is arranged in an indoor vehicle, under the control of a control device, before a user enter the indoor vehicle, the thermal insulating fluid flows into a temperature dissipation device and the seat temperature regulating devices through the fluid output circulating assembly, and flows back to the thermal insulting storage from the temperature dissipation device and the seat temperature regulating devices. In addition, due to the fact that a refrigerator is arranged in a pipeline, under the control of the control device, the thermal insulating fluid inside the thermal insulating storage can be circulated and cooled so that rapid cooling can be achieved on the indoor vehicle air and the seats continuously at any time by the temperature regulating device during user needs, and the comfort requirement for the indoor vehicle by the user can be met.

The invention provides a heat radiation bipolar plate for a fuel battery and belongs to the field of heat control. The heat radiation bipolar plate comprises an oxygen plate and a hydrogen plate, wherein the oxygen plate and the hydrogen plate are buckled to form a hollow structure and are used for storing phase change mediums and radiating heat through phase changes; both the oxygen plate and thehydrogen plate comprise working parts and cooling parts; oxygen distribution runners are arranged on outer surfaces of the working parts of the oxygen plates; hydrogen distribution runners are arranged on outer surfaces of the working parts of the hydrogen plates; insulating coatings are arranged on outer surfaces of the cooling parts and are used for radiating heat outside; phase change medium runners are arranged in the hollow structure. Due to self-circulation cooling of a phase-change medium, the problems that the structure is complex, poor in reliability, and the like because of circulation water cooling, are avoided, and the system reliability is improved.

The invention discloses a full automatic toothed rack tooth brushing machine, and belongs to the field of precision machining equipment. The full automatic toothed rack tooth brushing machine comprises a tooth surface detection mechanism, a PLC electrical control box, an automatic pouring mechanism, a rack, a touch screen control panel, a toothed rack clamping mechanism and an automatic tooth brushing mechanism. According to the full automatic toothed rack tooth brushing machine, tooth surface automatic recognition and automatic pouring are adopted, linear production requirements are met, andmanpower is saved; automatic pressure compensation can be carried out on abrasion of a steel brush, takt is saved, and manual work amount is reduced; a touch screen is adopted as an artificial interface, setting of operation data is more flexible while operation is simplified, and processing requirements of different workpieces can be met; the tooth surface position is confirmed through a displacement sensor, and full automation is achieved; a servo motor is adopted as a power source of toothed rack rotation, and the tooth surface can be rotated to an optimal tooth brushing angle; a pressure sensor is adopted, pressure applied by the steel brush to a toothed rack is consistent during tooth brushing, and automatic compensation can be achieved after the steel brush is abraded; and a PLC andthe touch screen are adopted for electronic control, and the servo motor and a cylinder are adopted as a power source responsible for all-operation instruction implementation of equipment.

The invention discloses a vertical type thrust sliding bearing. The vertical type thrust sliding bearing comprises a thrust head, a guide tile, a guide bearing seat, a thrust tile, a thrust disc and a high-pressure oil system, wherein the guide tile sleeves the outer part of the lower section of the thrust head; the guide tile is mounted in the guide bearing seat; the thrust tile and the thrust disc are mounted in the guide bearing seat and are located at the lower end of the thrust head; the high-pressure oil system comprises a thrust tile oil injection device, a high-pressure oil inlet pipe, a high-pressure oil ring pipe and splitters; one end of the high-pressure oil inlet pipe is communicated with the high-pressure oil ring pipe; the plurality of splitters are arranged and are mounted at the top of the guide bearing seat at intervals; the high-pressure oil ring pipe is communicated with the splitters; the thrust tile oil injection device comprises a plurality of high-pressure oil distribution pipes and a high-pressure oil integrated receiving pipe; one end of each high-pressure oil distribution pipe is communicated with the corresponding splitter and the other ends of the high-pressure oil distribution pipes are communicated with the high-pressure oil integrated receiving pipe; the high-pressure oil integrated receiving pipe is inserted into an oil hole of the thrust tile. The vertical type thrust sliding bearing disclosed by the invention is compact in structure, wide in applicable working condition range and high in economical efficiency.

The invention relates to a treatment system and method for a nitrite and nitrate absorption liquid after wet flue gas denitration. The system comprises a desulfurization tower, an absorption liquid supply system and a by-product separation and recovery system. The top in the desulfurization tower is provided with a direct discharge chimney, the bottom in the desulfurization tower is provided witha slurry tank, a spray layer is arranged between the direct discharge chimney and the slurry tank, a slurry double-zone division sieve plate is arranged in the slurry tank and divides the slurry tankinto a lower absorption zone and an upper self-decomposition reaction zone, the absorption zone is communicated with the absorption liquid supply system and is communicated with a spray pipe of the spray layer, and the by-product separation and recovery system comprises a nitrate evaporation crystallizer and a nitrate solid-liquid separator which are sequentially communicated to the self-decomposition reaction zone. The treatment method comprises wet denitration and absorption liquid denitrification. The treatment process is free of other reactants and treatment devices. The method is simple,does not cause secondary pollution and realizes the resource utilization of the product and the recycling of the additive.

The present invention provides a propylene pump delivery constant pressure regulating method. The outlet pressure of a pump can be detected, the outlet pressure of the pump is effectively guaranteed to be constant, and a return pipeline is additionally arranged, so that the pump reflux is guaranteed.

The invention discloses a thermal diode. The thermal diode comprises a holder, a steam channel, liquid channels and an one-way conduction assembly; one end of the holder is an evaporation section, andthe other end of the holder is a condensation section; the steam channel is arranged in the retainer, one end of the steam channel extends to the evaporation section, and the other end of the steam channel extends to the condensation section; the liquid channels are arranged on the two sides of the steam channel, one end of each liquid channel extends to the evaporation section, and the other endof each liquid channel extends to the condensation section; the one-way conduction assembly is arranged in the steam channel and controls the steam channel to be in one-way conduction in the direction from the evaporation section to the condensation section. According to the thermal diode, the evaporation section is arranged to be in butt joint with the fever element, the condensation section isarranged to be in butt joint with the heat dissipation element to achieve the basic function of a heat pipe, and the steam channel and the liquid channel are arranged to achieve the circulating heat transfer effect; therefore, internal steam can only flow along one direction on the premise that the thermal diode works in any direction, and the effect of protecting important elements is achieved.

The invention discloses a semi-opened self water collecting steam box, which comprises a ball-shaped cover, a steam box, a steam pool, a control body, support rods, a heating body, a first water collecting groove and a second water collecting groove, wherein a plurality of support rods are fixedly connected on the steam box, and are uniformly distributed along the upper part of the steam box; the steam box is arranged above the steam pool; the bottom of the steam box is fixedly connected with a plurality of cylinder rods; the cylinder rods are arranged in the steam pool; the ball-shaped cover is arranged on the support rods; the steam pool is put on a work platform; the heating body is arranged inside the steam pool; the control body is arranged outside the steam pool; a plurality of press buttons are arranged on the control body; a plurality of through holes are formed in the bottom surface of the steam box; the through holes are distributed along the bottom surface center circumference of the steam box. The semi-opened self water collecting steam box has the advantages that the steam box is designed into a semi-opened type, so that the air pressure in the steam box maintains consistency with the atmospheric pressure, meanwhile, the ball-shaped end cover and the water collecting grooves formed in the inner side surface of the steam box are used; condensed water is enabled to flow back into the steam pool; the heating process is controlled by a PLC (programmable logic controller) module.