42results about How to "Realize the effect of saving energy and reducing consumption" patented technology

The invention relates to the technical field of black metal ore exploitation and beneficiation, in particular to a beneficiation process of low-grade magnetite and specularite mixed ore, which is especially suitable for associated magnetite and specularite mixed ore of Zhouyoufang iron ore. The novel beneficiation process is realized according to an operation procedure and the process proceduressuch as ore crushing, one-stage grinding and grading, reselecting, one-stage weak magnetic separation, one-stage strong magnetic separation, two-stage grinding and grading (crude concentrate re-grinding), two-stage weak magnetic separation, two-stage strong magnetic separation, reverse floating and the like. The iron ore is comprehensively recycled, and a high-quality iron concentrate product is produced. The process has the characteristics of energy saving, high beneficiation efficiency and low beneficiation cost.

The invention relates to an air conditioner control method and an air conditioner control device, and belongs to the field of air conditioner control. The air conditioner control method comprises thesteps that an outdoor temperature is acquired; a setting temperature corresponding to the outdoor temperature is acquired from a preset model based on the acquired outdoor temperature, wherein the preset model can characterize the corresponding relation between the outdoor temperature and the setting temperature; and an air conditioner is controlled to run according to the acquired setting temperature. By acquiring the outdoor temperature, acquiring the setting temperature corresponding to the outdoor temperature preset the preset model and controlling the air conditioner to run according to the acquired setting temperature, the effect that the setting temperature for air conditioner running is dynamically adjusted according to outdoor temperature change can be realized, and the indoor andoutdoor temperature difference is reduced to a certain extent, so that the time for a human body to adapt to the temperature difference is shortened, the effect of improving a comfort level of the human body is realized, and the effects of energy conservation and consumption reduction are realized simultaneously.

The invention relates to a composite salt spray corrosion test box, comprising a box body (1), a spray system, a mist removal system and an electrical system. The box body (1) is provided with a box cover (2), and the box body (1) There is a working chamber (3), a sample rack (4) is arranged in the working chamber (3), the spray system includes a spray tower (5), a salt water tank (6) and a saturated barrel (7), and the spray tower (5) is provided with There are nozzles, the water inlet of the nozzle is connected to the water outlet of the peristaltic pump through a pipeline, a valve is installed at the water inlet of the nozzle, the water inlet of the peristaltic pump is connected to the water outlet of the brine tank (6) through a pipeline, and the air inlet of the nozzle is connected to the saturated bucket (6) through a pipeline. 7) The air outlet, the spray system, the defogging system, and the peristaltic pump are respectively connected to the electrical system; compared with the prior art, the present invention not only has a high degree of automation, is safe and reliable, but also has a lower flow spray function, which can realize partition control, It has the effect of saving energy and reducing consumption.

The invention discloses a simple and efficient calculating method for an oxygen blowing quantity of an electric-arc furnace. The oxygen blowing quantity = (raw material charge weight*weight percentage of Si in raw material-melt discharge amount*weight percentage of Si in melt)*0.798*0.4+(raw material charge weight*weight percentage of C in the raw material-melt discharge amount*weight percentage of C in melt)*0.932*(0.5-0.7)+[(raw material charge weight*weight percentage of Si in the raw material- melt discharge amount*weight percentage of Si in melt)*0.798*0.4+(raw material charge weight*weight percentage of C in the raw material-melt discharge amount*weight percentage of C in melt)*0.932*(0.5-0.7)]*0.2, wherein the melt discharge amount= raw material charge weight*casting yield. The method disclosed by the invention has the advantages that the electric consumption is reduced to a great extent, the utilization rate of oxygen is improved, the furnace body is not damaged, so that the energy-saving and cost-reducing effect is realized.

The invention relates to a manhole cover plate with a rectification cover and a vent valve of a combined water supply pipeline. The manhole cover plate comprises a cover plate body connected with the position of a manhole of a water supply main pipe, wherein a through hole is arranged at the center of the cover plate body, a short tube penetrates through the through hole of the cover plate body, an air hole is formed in the tube body at the lower end of the short tube positioned in the manhole, the lower end of the short tube is connected with a rectification cover plate which covers the hole in the position of the manhole of the water supply main pipe, and the upper end of the short tube is sequentially connected with a repair valve and the vent valve through flanges. By means of structural optimization and innovation, a water delivery system can effectively save energy and reduce cost, and the whole device is simple in structure, easy to manufacture, strong in practicability, applicable to all water supply projects using large-diameter pipes, especially suitable for long-distance water delivery pipelines.

The invention relates to a low-temperature slag-removal accelerant. The low-temperature slag-removal accelerant is characterized by comprising the following components in parts by weight: 70-80 partsof silicon dioxide, 10-16 parts of aluminum oxide, 0.2-2 parts of potassium oxide, 1-3 parts of iron oxide, 1-3 parts of calcium oxide, 0.2-2 parts of titanium oxide, 0.1-1 part of strontium oxide, 0.2-2 parts of magnesium oxide, 2-5 parts of borax, 3-6 parts of sodium salt, 1-3 parts of copper salt and 2-5 parts of phosphate. The various components of the low-temperature slag-removal accelerant are synergistic, after the components are melted, melt viscosity is high, slag gathering efficiency and drossing efficiency are improved, in a molten iron smelting process, impurities can be separatedunder the condition that the temperature is lower than a conventional slag-removal temperature by 300 DEG C relatively, effects of energy conservation and emission reduction are achieved, the servicelife of a boiler is prolonged, and popularization and application are facilitated.

The invention relates to a cutting device for English learning card manufacturing. According to the cutting device, a transmission mechanism comprises second rotating rods and two fixed support vertical plates, the two fixed support vertical plates are rotatably provided with the second rotating rods correspondingly, one of the second rotating rods is connected with a transmission motor, the transmission motor is fixedly arranged on the corresponding fixed support vertical plate, the two second rotating rods are fixedly sleeved with transmission roller shafts correspondingly, and the two transmission roller shafts are in transmission connection by means of a transmission belt. According to the cutting device, in the card cutting process, manual operation is not needed for earlier-stage placement of cards and taking of the cards after cutting is completed, and in the two steps, shutdown is not needed, so that by means of the cutting device, the efficient cutting effect can be achieved,operation steps can be reduced, the time-saving and labor-saving effects are achieved, and compared with a card cutting device in the prior art, the cutting device has the advantages that the workingefficiency can be greatly improved, and labor is saved.

The invention discloses an intelligent on-line energy distribution control system for improving an iron and steel energy utilization rate. The intelligent on-line energy distribution control system comprises a housing; and an inner cavity of the housing is fixedly connected with a circuit board by a bolt. An output interface and a fiber are arranged in a penetrating manner at the left side of the housing successively from top to bottom; the right ends of the output interface and the fiber are fixedly connected with the circuit board; and the left end of the fiber is connected with a detector. A processor, a memory bank, a feedback module, a control panel, a control terminal and a data comparator are arranged at the circuit board; and the output terminal of the processor is connected with the input terminals of the data comparator and the memory bank electrically. According to the intelligent on-line energy distribution control system, the original manual statistic way is replaced, so that the energy data management requirement of an enterprise can be met and lots of manpower and material resources can be saved. Moreover, human error occurrence is avoided; the management efficiency is improved; and the energy conservation and consumption reduction effect is realized.

The invention discloses efficient drying equipment for preparation of traditional Chinese medicine decoction pieces. The efficient drying equipment comprises a drying oven, a plurality of supporting columns are symmetrically and fixedly connected to the bottom side wall of the drying oven, a drying cavity is formed in the drying oven, an air inlet flow dividing cavity and an air outlet flow gathering cavity are formed in the two ends of the drying cavity correspondingly, and an air inlet pipe communicating with the air inlet flow dividing cavity is fixedly connected to the end, close to the air inlet flow dividing cavity, of the drying oven. According to the efficient drying equipment, an electrified thin resistance wire is adopted as a drying assembly, the characteristic that the electrified thin resistance wire emits heat and emits red light after being electrified is utilized, and heating and drying treatment is carried out on the traditional Chinese medicine decoction pieces mainly by means of a heat radiation mode; compared with a traditional hot air drying mode and a high-temperature environment drying mode, the mode has the characteristics that the heat utilization rate is higher, more energy is saved, and the drying efficiency is remarkably improved; and in the drying process, the drying cavity is in a negative pressure state, so that water is easier to evaporate, then the drying work of the traditional Chinese medicine decoction pieces can be efficiently completed, the drying speed is high, and the drying effect is good.

The invention discloses an energy-saving type straight wall front and back disc variable camber curve element ternary impeller. The impeller comprises a front disc, blades, a rear disc and a shaft disc, the front disc and the rear disc are both of straight wall structures, blades are variable camber curve element ternary twisted blades, that is, the front disc and the rear disc of the draught fan impeller are both of traditional draught fan straight wall structures, original binary blades are replaced with variable camber curve element ternary blades, through adjusting of the curvature of the blades in the impeller inlet blade height direction, when the impeller rotates, blade force exerted to the airflow by the blades can properly balance centrifugal inertia force during converting the axial direction of the air flow into the radial direction, and therefore severe changes of the speed of the air flow on an inlet are weakened. A centrifugal draught fan with the ternary impeller is further protected, through the blade force of the variable camber curve element ternary impeller, the side effect of small-radius turning inertia force can be overcome, the straight wall front and rear disc traditional structure is adopted, the straight wall front and back disc variable camber curve element ternary impeller is designed, and the energy-saving effect of the ternary impeller of the draught fan is achieved.

The invention relates to a combustor adjusting method and system based on a temperature field, a DCS (Distributed Control System) and a medium. The method comprises the following steps: acquiring area temperatures of a plurality of preset areas in a hearth; calculating the average temperature in the hearth based on the area temperatures of the plurality of preset areas; calculating the absolute value of the difference value between the area temperature of each preset area and the average temperature, and acquiring the deviation value of each preset area; adjusting a first adjusting mechanism and/or a second adjusting mechanism of each preset area based on the deviation value of each preset area; and repeating the step of obtaining the area temperatures of the plurality of preset areas in the hearth. The temperature in the hearth is uniform, the overall combustion efficiency of the hearth can be improved, the pulverized coal heat energy conversion rate in the power generation process is high, the energy conservation and consumption reduction effects are achieved, generation of thermal NOx is reduced, and then harm to the atmospheric environment is reduced.

The invention relates to cutting equipment for making an English study card. The cutting equipment comprises a support workbench, a support frame and a support cutting table. The support frame is fixedly arranged on the edge of the upper end surface of the support workbench, the support cutting table is fixedly arranged on the upper end surface of the support workbench, and a card body is arranged on the support cutting table. Due to the arrangement of the cutting equipment, in the card cutting process, early-stage placement of the card and fetching of the card after cutting is completed both do not require manual operation, and shutdown is not needed in the two steps. In this way, through the cutting equipment, the efficient cutting effect can be achieved, the operation steps can be saved, and the effects of saving time and labor are achieved. Compared with a card cutting device in the prior art, by using the cutting equipment, the working efficiency can be greatly improved, labor is saved, and therefore the use of the cutting equipment has a higher market prospect.

The invention provides a method for adjusting biological nitrogen and phosphorus removal by using a concentration gradient. The method comprises the following steps: (1) detecting concentrations of parameters at different positions in an anaerobic tank, an anoxic tank and an aerobic tank along a water flow direction; (2) comparing the detected concentration with a corresponding theoretical concentration gradient trend, and adjusting parameters which do not accord with the corresponding theoretical concentration gradient trend; and (3) after the operation is adjusted, repeatedly detecting the key parameters which do not accord with the corresponding theoretical concentration gradient trend. According to the method for adjusting biological nitrogen and phosphorus removal by using the concentration gradient, numerical values obtained according to certain parameters detected at different positions in an anaerobic tank, an anoxic tank and an aerobic tank in a biological nitrogen and phosphorus removal process are combined with an actual operation effect; therefore, biological nitrogen and phosphorus removal is guided and accurately adjusted to ensure that the total nitrogen, total phosphorus and ammonia nitrogen of effluent stably reach the standard, and meanwhile, the dosage of a carbon source, the dosage of a chemical phosphorus removal agent and the air volume of a fan are adjusted to achieve the effects of saving energy and reducing consumption.

The invention relates to environment-friendly equipment for treating dischargeable sewage in a chemical laboratory, and aims to solve the problems that filtered solid particles are inconvenient to clean and heat cannot be recycled when sewage is discharged and filtered in an existing chemical experiment. The environment-friendly equipment comprises an equipment body and a filtering assembly, and the filtering assembly is fixedly inserted into a top plate of the equipment body. According to the equipment, the combined structure of the filtering assembly, a heat conduction plate and a heat transfer plate is additionally arranged, the filtering assembly can be used for filtering substances entering the equipment body, meanwhile, filtered solid impurities can be conveniently cleaned away, andthe combined structure of the heat conduction plate and the heat transfer plate can be used for recycling heat in substances in a standing box. The structural design is reasonable, the effects of saving time and labor and improving the working efficiency can be achieved by conveniently and rapidly cleaning solid impurities in actual work, the effects of saving time and labor and improving the working efficiency can be achieved, the effects of energy conservation and consumption reduction can be achieved through heat recovery, and therefore, very high practical value is achieved.