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78results about How to "Effective adjustment" patented technology

A spinning device based on improved ring spinning and used for auxetic composite yarn with a uniform wrapping angle

The invention relates to a spinning device based on improved ring spinning and used for auxetic composite yarn with a uniform wrapping angle. The composite yarn is formed through spiral wrapping of core yarn and wrapping yarn at a certain diameter ratio and modulus ratio. The spinning device comprises a yarn supply mechanism, a drafting mechanism, and a twisting and winding mechanism and is characterized by further comprising a yarn feeding control mechanism and a wrapping angle control mechanism which are added on the basis of a traditional ring spinning machine, wherein the yarn feeding control mechanism comprises a core yarn feeding control mechanism and a wrapping yarn feeding control mechanism. The core yarn feeding control mechanism is main used for providing active feeding of core yarn and the wrapping angle control mechanism is located in front of and under front rollers to control an output angle of the wrapping yarn, so that auxetic composite yarn with a certain wrapping angle and a uniform, controllable and stable wrapping structure can be obtained. The spinning device is improved from a traditional ring spinning machine, has the advantages of easy operation of a spinning method, convenient implementation and low cost, and is suitable for continuous production, promotion and application.
Owner:DONGHUA UNIV

Heating furnace and heating method thereof

The invention relates to a heating furnace and a heating process thereof, in particular to the heating furnace adopting a regenerative burner and a conventional burner to perform combined heating, and the heating process thereof. The heating furnace structurally comprises a furnace body, and a feeding end wall and a discharging end wall which are arranged at the two ends of the furnace body respectively, wherein the furnace body between the feeding end wall and the discharging end wall is sequentially divided into a heat recovery section, a first heating section, a second heating section and a soaking section; partition walls are arranged between every two adjacent sections; and the furnace body is provided with the regenerative burner used for heating the furnace body, a flat flame burner and a flame adjustment burner. The heating process comprises the following steps of: starting igniting the heating furnace from the flame adjustment burner of the soaking section, and igniting the flat flame burner to switch the second heating section and the first heating section into a thermal storage state of the regenerative burner to finish the ignition heating work. The heating furnace of the invention effectively realizes energy saving, emission reduction and improvement in blank heating quality, greatly reduces spare part production and maintenance cost, and reduces the production cost.
Owner:武钢集团有限公司

Belt-type dry magnetic separator

The invention discloses a belt-type dry magnetic separator. The belt-type dry magnetic separator comprises a housing, the upper part of the housing is provided with a feeding inlet, a feeding device is arranged below the feeding inlet, a magnetic separation device is arranged above the feeding device, the magnetic separation device comprises a magnetic separation belt, along a material conveying direction of the feeding device, a primary separation magnetic system and a refined separation magnetic system are orderly arranged in the magnetic separation belt in parallel, a conveying tail end of the feeding device is not in a magnetic material discharge range of the refined separation magnetic system, a magnetic field range of the primary separation magnetic system covers materials on the feeding device, a magnetic field of the refined separation magnetic system is an alternating magnetic field, and magnetic field ranges of the primary separation magnetic system and the refined separation magnetic system are superimposed. The belt-type dry magnetic separator continuously treats a crushed magnetic material so that a product with quality close to that of water separated products is obtained, strictly controls mine tailing magnetic object quality, has a high treatment capability and a large tailings discarding rate, has a very wide mineral particle fraction application range and reduces a later technical equipment investment and a system operation cost.
Owner:CHENGDU LEEJUN TECH CO LTD

Multi-online refrigerant adjusting device and system, control method thereof and air conditioner

The invention provides a multi-online refrigerant adjusting device and system, a control method thereof and an air conditioner, and relates to the technical field of air conditioners. The method comprises the following steps that first external command signals, a system high-voltage corresponding saturation temperature, an ambient temperature and an outdoor machine liquid pipe temperature are acquired; according to the first external command signals, the system high-voltage corresponding saturation temperature, the ambient temperature and the outdoor machine liquid pipe temperature, whether arefrigerant adjustment preset condition is met or not is judged; and if the refrigerant adjustment preset condition is met, opening and closing of a first control valve group and a second control valve group are controlled to regulate the refrigerant amount of the multi-online system. According to the multi-online refrigerant adjusting device and system and the method, the adjusting device with gas-liquid separation and liquid storage functions is arranged in the multi-online system, the opening and closing of a plurality of control valves in the adjusting device are controlled, the storage and discharging of refrigerant are realized, the refrigerant state is monitored in real time, so that the refrigerant is always maintained in a reasonable range, it is ensured that the system can work normally under various loads, and the use comfort of a user is improved.
Owner:NINGBO AUX ELECTRIC

Passive radio frequency identification power-on control circuit and passive radio frequency identification tag

The invention is suitable for the field of radio frequency, and provides a passive radio frequency identification power-on control circuit and a passive radio frequency identification tag. The power-on control circuit is connected with a rectification and voltage stabilization circuit, a resetting circuit and a digital circuit and comprises a first control unit for generating a switch-off control signal and a first power-on control signal according to a resetting signal output by the resetting circuit before power-on is performed to control the rectification and voltage stabilization circuit to output voltage stably during power-on and keeping switched off after power-on is performed, and a second control unit for controlling switch-off according to the switch-off control signal before power-on is performed and generating the first power-on control signal according to a digital logic control signal output by the digital circuit after power-on is performed to control the rectification and voltage stabilization circuit to output voltage stably after power-on is performed. According to the system, before power-on is performed, the first control unit controls to generate a stable logic state control signal according to the resetting signal and keep a power supply stable, so that the system can stably work during power-on; and the system is simple in structure and low in cost.
Owner:EXCELIO TECH SHENZHEN

Chinese medicinal composition for treating oral mucositis of horse

The invention relates to a Chinese medicinal composition for treating oral mucositis of horse, which is characterized in that the composition of the raw material contains the following active components: borneol 40-60 parts by weight, natural indigo 40-60 parts by weight, corn mint 40-60 parts by weight, and black catechu 40-60 parts by weight. The preferred matching amounts of various raw materials are as follow: borneol 50 parts, natural indigo 50 parts, corn mint 50 parts and black catechu 50 parts. The granularity of borneol, natural indigo, corn mint, black catechu is 20-200 mesh. The invention has the effects for clearing heat and detoxicating, dispersing swelling and alleviating pain, and the composing prescription is reasonable and the preparing technique is simple; the componentsused in the Chinese herbal medicine have a wide source and a low cost, without residual medicament, toxic and side effects and are easy for animal to absorb. The invention has heat clearing and detoxicating, swelling dispersing, pain alleviating, organism regulating functions, and can effectively treat oral mucositis of horse and shorten recovery period. When using, blowing and spreading the finepowder on the affected part, and clinical test demonstrates that the cure rate is above 90%, so the invention has a unique curative effect.
Owner:TIANJIN SHENGJI GRP CO LTD

Energy-saving control method of variable-frequency air conditioning system

The invention provides an energy-saving control method of a variable-frequency air conditioning system. The energy-saving control method comprises the following steps that a target dew point temperature is determined according to a set temperature and initial set humidity corresponding to the set temperature; the target dew point temperature serves as a target temperature of an inner coil pipe, and the operation frequency of the air conditioning system is controlled for the first time; and after the system runs for a period of time, a new target dew point temperature is determined according toenvironment temperature detected in real time and humidity set real-time, and adjustment and control of the operation frequency of the air conditioning system are carried out again by taking the newtarget dew point temperature as a target temperature of the inner coil pipe. According to the energy-saving control method of the variable-frequency air conditioning system, the dew point temperatureof air is determined through setting of the temperature and the humidity, and the temperature of the inner coil pipe takes the indoor dew point temperature as the target to control the operation frequency, so that the requirement for indoor humidity control is met, moreover, the use is energy-saving, excessive dehumidification is avoided, and the dew point temperature corresponding to the stable temperature which is achieved is taken as the target.
Owner:NINGBO AUX ELECTRIC

Mechanical speed fluctuation demonstration instrument

The invention discloses a mechanical speed fluctuation demonstration instrument, comprising a drive mechanism, a balance damping mechanism, a speed fluctuation detection device and a laser display and writing mechanism, wherein the drive mechanism comprises a drive motor and a flywheel; the balance damping mechanism comprises a resistance-trimming bolt, a support frame subassembly, an elastic damper, a slide block, a guide rod, a crank circle, a crank and a baffle block; the speed fluctuation detection device comprises a traction bar, a guide shaft, a box body, a transport cover, a shaft, a rubber sheet, a lock bolt, a sealing bearing, an O-shaped ring, a T-shaped joint, a protecting shell and an elastic film; the laser display and writing mechanism comprises a rack, a driving shaft, a driven shaft, a secondary motor, a paper tape, a laser pen bracket, a laser pen and a color pen; and the driving shaft, the driven shaft, the secondary motor, the paper tape, the laser pen bracket, the laser pen and the color pen are fixed on the rack. According to the device, a teacher can effectively display the speed fluctuation and adjust the learning content; a 'black box' in the traditional training aid demonstration process is avoided; the condition that students understand the speed fluctuation and adjust the learning content is facilitated; and understanding faults are avoided.
Owner:ZHEJIANG NORMAL UNIVERSITY

Equipment management system using electronic label technology

The invention aims at providing an equipment management system using an electronic label technology, which comprises a server, an RFID electronic label for marking equipment, an RFID multichannel automatic reading and writing module for reading the RFID electronic label information and an equipment management module for carrying out equipment management according to the information read by the RFID multichannel automatic reading and writing module, wherein the equipment management module comprises a background management unit, an equipment information management unit, an equipment inventory unit, an equipment information inquiry unit and an equipment information statistics management unit; and the background management unit comprises organization management, system resource management, logmanagement, system configuration management and system integration permission management functions. The use and return states of a huge amount of fire fighting equipment in a fire fighting equipmentroom can be monitored effectively, timely, scientifically and accurately, the monitored state information is published to other service information systems in real time through the background management system, and the fighting capacity of the fire fighting forces is further improved.
Owner:RUNTAI RESCUE EQUIP TECH HEBEI CO LTD
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