34results about How to "Improve equipment usage efficiency" patented technology

A rectifying apparatus for preparing high-purity (99.85%) methanol is composed of pre-rectifying tower, pressurizing tower, ordinary-pressure tower, condenser of reflux tank, re-boiler, reflux pump, pre-heater, and cooler. Its process is also disclosed. It features less consumption of energy and cooling water.

The invention discloses a fast-setting anti-corrosion cement using coal ash as a raw material and a preparation method thereof. The fast-setting anti-corrosion cement is prepared from the following components in parts by mass: 60-75 parts of coal ash, 25-40 parts of slaked lime, 0.5-1.5 parts of alkaline excitant, and 1-2 parts of sulfate excitant; the preparation method comprises the following steps: ball-milling the raw materials to obtain a batch mixture with 80-micron screen residue content less than 5%, adding 20-25 parts of water, uniformly stirring to prepare a raw material ball, hydro-thermally treating the raw material ball at 95-98 DEG.C for 10-16 hours to obtain a steamed material, calcining the steamed material at 750-900 DEG.C for 15-90 minutes, and cooling to obtain a synthetic material; and commonly ball-milling 75-85 parts of the synthetic material and 10-20 parts of Portland cement together with 5-8 parts of gypsum, 0.2-1.0 part of thickening time control agent and 0.3-0.7 part of water reducing agent until the 80-micron screen residue content is less than 4%. The cement is low in calcining temperature and thermal loss, high in coal ash utilization rate, fast-setting and fast-hardening, high in strength, and goon in sulfate attack resistance.

The invention discloses a chlorine zero-pressure control method applied to a process for preparing alkali by utilizing a zero-pole ionic membrane electrolytic cell. In the method, zero-pole ionic membrane electrolytic cell, a chlorine safety water seal, a hydrogen safety water seal, a chlorine drying device, a 3K chlorine compressor and a hydrogen compressor which are sequentially connected are utilized; the difficulty that accidental injuries occur on elastomers and iconic membranes caused by the abnormal chlorine header pipe pressure difference and negative pressure difference occurrence when the iconic membrane device is in a normal production state and in an emergent condition is solved by setting the pressure of the chlorine generated by refining salt water though electrolysis of the zero-pole iconic membrane electrolytic cell into (0+/-12) kPa, and the hydrogen pressure into (4+/-2) kPa, thus lowering the equipment operation cost, improving the equipment use ratio and increasing the economic benefits. The method provided by the invention can be widely applied into the iconic membrane alkali production process, especially the method for producing the alkali by utilizing the high-current density zero-pole iconic membrane electrolytic cell.

The invention provides an environment-friendly combined fresh air system of a stove. A fume extraction hood is arranged above a furnace mouth; a stove body is provided with a cooking bench air curtain structure surrounding a furnace on a cooking bench; the cooking bench air curtain structure is used for isolating oil fume generated by cooking and the outside, so that the oil fume can arrive at an inlet of the fume extraction hood successfully; the cooking bench air curtain structure is arranged on a pipe for conveying fresh air; a fresh air inlet pipe is provided with branch pipes; the branch pipes are respectively communicated to the cooking bench air curtain structure, a cook cooling movable air blowing mouth, all electronic equipment and relevant pipeline air cooling mouth. According to the environment-friendly combined fresh air system, cook cooling, oil fume isolation and purification, the equipment and a pipeline cooling protection and fresh air oxygen supply system that are necessary in a kitchen are organically integrated into one at the first time, so that a complete indoor and outdoor air circulation of the kitchen is formed, so that the indoor air purification rate is greatly improved; meanwhile, the mechanical damage protection and the temperature rise protection for the equipment and the pipelines of the stove are enhanced, the service life of the equipment of the stove is prolonged, the equipment failure rate is greatly reduced, and the operation cost of an integrated system of the kitchen is obviously lowered.

The invention discloses a storage device of parking charging equipment. The device comprises a shell; a time delay cavity is formed in the shell; a time delay mechanism is arranged in the time delay cavity; a driving cavity is formed in the lower end wall of the time delay cavity; a driving mechanism is arranged in the driving cavity; a switching mechanism is arranged in the lower end wall of thedriving cavity; a transmission cavity is formed in the left side of the switching mechanism; a transmission mechanism is arranged in the transmission cavity; a working cavity is formed in the upper end wall of the transmission cavity; a charging device and a control mechanism are arranged in the working cavity; when an vehicle runs and enters a parking place, by gravity of the vehicle, the drivingmechanism raises the parking charging device to the ground, parking charging timing is provided, and when the vehicle drives away, the time delay mechanism triggers starting, if no vehicle drives toenter for a time, the driving mechanism can store the parking charging device underground, so that the parking charging device stops working, the loss of the parking charging device and the maintenance frequency of the parking charging device caused by external factors such as weather are effectively reduced, and the use efficiency of the parking charging device is improved.

The invention relates to a degumming technology for ramie, comprising unpacking and untying braches, loading cage, boiling, softening, bleaching and washing by acid, supplying oil, deoiling and drying. The boiling process is that the original fiber is put into the mixed solution, of which the weight is nine to twelve times of the weight of original fiber; the pressure is maintained in 0.1-0.2MPa and the maintaining time is for 1-1.5 hours. The mixed solution comprises sodium hydroxide, oxidant, oxalate and scouring agent. Thereinto, the content of sodium hydroxide is 5-8g/l, the content of oxidant is 5-10g/l, the content of oxalate is 3-8g/l and the content of scouring agent is 3-5g/l. By adopting the degumming technology for ramie, the scouring time for ramie is decreased, the manufacturing efficiency is improved, the circumstance pollution is decreased and the quality of ramie after degumming is improved.

Provided is an artificial propagation method of meteorussp serving as a natural enemy to camptoloma interiorata. The method includes the steps of placing collected overwintering pest bags of camptoloma interiorata into feeding boxes for eclosion of meteorussp; collecting and bringing camptoloma interiorata egg blocks or primarily hatched larvae into a lab for culture, or using camptoloma interiorata subcultured in the lab as hosts; after larvae are hatched from the camptoloma interiorata eggs, putting the larvae into the feeding boxes for feeding to obtain low-age larvae of camptoloma interiorata; matching adult male meteorussp with adult female meteorussp, enticing the adult male meteorussp and the adult female meteorussp into the feeding boxes for natural mating, and letting the adult female meteorussp lay eggs parasitising in the hosts; continuing to put meteorussp into new feeding boxes without parasites in the hosts until female meteorussp dies. After the parasitic meteorussp is fed with natural feed or artificial feed, the eclosion of next generation of meteorussp can be achieved. By using the artificial propagation method, large-scale propagation of meteorussp can be achieved indoors, a practical technological biological prevention and control approach can be provided for prevention and control of camptoloma interiorata or other lepidoptera defoliators.

The invention relates to a fusion shrinkage preparation method for preparing a core rod of an optical fiber preform rod through fusion shrinkage of a doped quartz liner tube. According to the fusion shrinkage preparation method of the core rod of the optical fiber preform rod, the deposited doped quartz liner tube is mounted on a fusion shrinkage lathe. The fusion shrinkage preparation method of the core rod of the optical fiber preform rod is characterized by comprising the following steps: enabling the doped quartz liner tube to rotate at a rotation speed being 15-30rad/min, supplying a heat source for fusion shrinkage by taking a heating furnace sleeve as a heating device, heating at the temperature of 1900 to 2250 DEG C, enabling the heating furnace sleeve to move forth and back from one end to the other end of an axial liner tube of the doped quartz liner tube, carrying out gradual fusion shrinkage on the doped quartz liner tube and finally firing; and sealing two ends of the doped quartz liner tube and introducing mixed gas for corroding the inner wall of the liner tube in the fusion shrinkage process. By virtue of the fusion shrinkage preparation method of the core rod of the optical fiber preform rod, an F-containing compound high in reactivity is taken as the lining corrosion gas; the fusion shrinkage and corrosion are carried out synchronously, so that the reduction of a refractive index of a core layer can be effectively avoided, the time for producing the core rod of the preform rod can be greatly reduced, the processing efficiency and the efficiency of using the device can be improved, the production cost of the optical fiber preform rod can be reduced, and the stability of the optical fiber water peak can be guaranteed, therefore the quality of the optical fiber processing is improved.

The invention discloses a lifting device and a paver with the lifting device. The lifting device comprises a first telescoping mechanism, a second telescoping mechanism and a third telescoping mechanism, wherein one end of the first telescoping mechanism is hinged to a rack to form a first hinge point, and a lifting connecting piece is arranged on the first telescoping mechanism; one end of the second telescoping mechanism is hinged to the rack to form a second hinge point, and the other end of the second telescoping mechanism is hinged to the other end of the first telescoping mechanism; one end of the third telescoping mechanism is hinged to the rack to form a third hinge point, and the other end of the third telescoping mechanism is hinged to the position, close to the other end of the third telescoping mechanism, of the first telescoping mechanism; the first hinge point, the second hinge point and the third hinge point are not in the same line, and the second hinge point is located above the first hinge point. The lifting device can be used for quickly lifting a spiral extending section and a screed plate extending section within the full paving width of the paver, lifting is convenient and fast, and saves time and labor are saved. The paver with the lifting device can be used for quickly lifting the spiral extending section and the screed plate extending section independently on a construction site without a forklift and other auxiliary lifting equipment.

The invention discloses a membrane-method extraction process for soybean lecithin. The process comprises five steps, i.e., (1) picking full-grained raw material soybeans, and cleanly washing the soybeans; (2) carrying out ultrafiltration-membrane impurity removal; (3) carrying out ultrafiltration-membrane extraction; (4) carrying out nanofiltration-membrane concentration; and (5) thereby obtaining a finished product. According to the process, the separation and purification of macromolecular and micromolecular substances at a normal temperature are achieved through membrane-method production, and the traditional processes such as extraction and decolorization are replaced, so that on one hand, the efficiency of use of membrane equipment is increased, on the other hand, an ultrafiltration system can achieve continuous charging and continuous concentrated discharging, and thus, the quality and yield of the product are improved.

A collimation instrument for lens detection is composed of a main bracket (1), an object placing platform (2), an auxiliary bracket (3), a light source (4), an observation opening (5), a focusing instrument (6), an eyepiece (7), and a lens component (8). The light source (4) is mounted above the auxiliary bracket (3), and penetrates through the auxiliary bracket (3). The observation opening (5) is arranged at the right end of the auxiliary bracket (3), and intersects with the light source (4). The eyepiece (7) and the focusing instrument (6) are connected together. The collimation instrument for lens detection is characterized in that the main bracket (1) is composed of a main bracket platform (1-1) and a main bracket column (1-2), and the center line of the main bracket column (1-2) and the upper surface of the main bracket platform (1-1) form an included angle of 90 degrees. By using an adjusting knob and the focusing instrument to adjust the distance between the eyepiece and a detected product and the focal length, products of different focal lengths and sizes can be detected, and therefore, the utilization efficiency of the equipment is improved.

The invention discloses an intelligent start-stop method and device and a breathing machine. The intelligent start-stop method comprises the steps that step one, a pressure signal and a flow signal ofa user side are collected; step two, air velocity V, differential pressure Delta P and air leakage V<leak> of the user side are separately obtained according to the flow signal and the pressure signal; and step three, if a halted state is located at present and the flow velocity is greater than a first threshold value delta<1> or less than a second threshold value delta<2>, intelligent starting is started. According to the intelligent start-stop method and device and the breathing machine, intelligent start-stop is realized by identifying breathing airflow of a user, the operational process of the user is simplified, the using efficiency of the equipment is improved, the operating life of the equipment is prolonged, and energy conservation and environment protection are achieved.

The invention provides a plane, inner arc and outer arc grinding machine and a grinding method thereof, which relate to the technical field of machining and solve the technical problem that a plane, an inner arc and an outer arc cannot be finished on the same grinding machine. The plane, inner arc and outer arc grinding machine comprises a base, a swing arm support, a swing arm, work fixtures, and a grinding mechanism, a working platform is arranged on the base; the swing arm is articulated with the swing arm support, and can swing within a horizontal plane; the work fixtures are detachably arranged on the head of the swing arm, and the work fixtures include an inner arc-grinding fixture, an outer arc-grinding fixture, and a plane-grinding fixture. Since the inner arc-grinding fixture, the outer arc-grinding fixture and the plane-grinding fixture are detachably arranged on the head of the swing arm, an inner arc, an outer arc and a plane can be ground on the same grinding machine, moreover, choice is flexible according to the requirements of production, not only are investments and production costs of manufacturing enterprises reduced, but also the service efficiency of the equipment is increased, and enterprise incomes are increased.

The invention relates to a sieving machine operation amplitude monitoring system and monitoring method. The sieving machine operation amplitude monitoring system is formed by an acceleration sensor module, a signal conversion module, a data processing module, an output display module, a storage module, and a sound-light alarm module and the like, wherein when a sieving machine device is used to grade particles, the sieving machine operation amplitude monitoring system utilizes the acceleration sensor module to acquire the vibration offset of the sieving machine, and converts the vibration offset into the operating amplitude data of the sieving machine through the signal conversion module and the data processing module, can realize real-time display of the data and dynamic curve through theoutput module, can perform recording and storage through the storage module, and can realize alarming prompt through the sound-light alarm module when the standard technique is deviated. The sievingmachine operation amplitude monitoring system and monitoring method can be widely applied to sieving machine technology control of sieving of particles, can effectively improve the production efficiency, can reduce unnecessary loss and waste, and can guarantee the particle grading precision and stability.

The invention discloses a multi-source waste disposal system and method based on a pulverized coal boiler. The multi-source waste disposal system comprises a material storage system, a hot air system, an alkaline removal agent system, an integrated disposal system, a burner, the pulverized coal boiler and a pollutant removal system; an outlet of the material storage system is connected with a material inlet of the integrated disposal system; a high-temperature flue gas connector is arranged on a flue between a hearth outlet of the pulverized coal boiler and a coal economizer, a medium-temperature flue gas connector is arranged on a flue at an outlet of the coal economizer of the pulverized coal boiler, and the high-temperature flue gas connector and the medium-temperature flue gas connector are connected with a flue gas inlet of the integrated disposal system; an outlet of the hot air system is connected with an air inlet of the integrated disposal system; an outlet of the alkaline removal agent system is connected with a solution inlet of the integrated disposal system; and an outlet of the integrated disposal system is connected with an inlet of the burner, and an outlet of the burner is connected with a hearth of the pulverized coal boiler. The system and the method can achieve disposal of multi-source waste.

The invention relates to the technical field of fluorite ball production, and provides a full-automatic fluorite ball production line which comprises a raw material weighing machine, a material bin, a material spreading machine, a raw material drying bin, a material mixing and stirring machine, a high-pressure ball pressing and forming machine, an electromagnetic microwave drying machine, a cooling barrel and a bagging machine which are sequentially arranged in the conveying direction of raw materials. The video monitors and the fault warning lamps are arranged on the spreading machine, the drying raw material bin, the mixing stirrer, the high-pressure ball pressing forming machine, the electromagnetic microwave drying machine, the cooling barrel and the bagging machine respectively, the video monitors are used for recognizing the fault warning lamps and transmitting signals to the central control room, the central control room is used for controlling equipment operation, and the detection probes are used for detecting whether the equipment operates or not. The weight sensor is used for controlling the quantity of the raw materials conveyed to the mixing stirrer from the drying raw material bin. According to the technical scheme, the problem that in the prior art, all stations of an automatic production line need to be manually monitored is solved.

The invention relates to a ramie high-temperature gas explosion degumming process. The process applies degumming process, and the degumming process applies alkali solution. The degumming process is characterized in that degumming process includes unpacking and unbinding process, feeding process, first high-temperature gas explosion process, first extruding process, second high-temperature gas explosion process, second extruding process, third high-temperature gas explosion process, and third extruding process, wherein a high-temperature high-pressure flushing method is applied; ramie is flushed under the alkali solution in the first high-temperature gas explosion process, the second high-temperature gas explosion process and the third high-temperature gas explosion process; the alkali solution temperature is kept at 80-90 DEG C or 95-100 DEG C; the alkali solution pressure is kept at 0.8-1.0 MPa or 1.0-1.2 MPa; the heat preservation and pressure maintaining times of the alkali solution are 3-5 minutes or 5-10 minutes. The process cancels the binding, packing, softening, and loosening processes, shortens the technical flow, promotes quality of the degummed ramie, improves production efficiency, decreases cost and reduces environmental pollution.

The invention provides a busbar automatic machining machine which comprises an operation table, a control system, a shearing mechanism, a bending mechanism, a punching mechanism, a shearing motor, a bending motor and a punching motor. A vertical rod and a cross beam are arranged on the operation table, and an upper guide rail is arranged on the cross beam. A lower guide rail is arranged at the position, below the cross beam, of the operation table, and the control system comprises a controller and a control panel. The controller is connected with the control panel, and a rotary button and a switch are arranged on the control panel. The controller is connected with the shearing motor, the bending motor and the punching motor through a driving circuit. A locating device is arranged, and therefore the locating precision of a mold is guaranteed. In addition, a transverse dividing ruler and a longitudinal dividing ruler are arranged to guarantee discharging precision. The busbar automatic machining machine is novel in design, simple in structure, convenient to use, high in work efficiency and easy to popularize and implement and has good economic benefits.