34results about How to "Raise material temperature" patented technology

The invention provides a sintering method of super-thick material layer sinter. The thickness of a sintering material layer is 920-950mm, the sintering moisture is 6.2-6.4%, and the sintering negativepressure is 14.5-15.5kPa. The sintering method comprises the specific steps of (1) burdening, (2) mixing and pelletizing, (3) mixture preheating, (4) micro-negative pressure ignition, and (5) material loosening. According to the sintering method, through development and application of a low-moisture pelletizing technology, low-pressure steam efficient preheating of a mixture is conducted to increase the material temperature, development and application of a micro-negative pressure ignition technology and transformation and application of three rows of material loosening devices, the thicknessof the material layer is increased, the machine speed of a sintering machine is decreased, the sintering crystallization reaction is promoted, the internal return mine rate is decreased, and the quality and yield of the sinter are improved; the thickness of the material layer is increased to 930mm or above from 730mm, the sintering negative pressure is decreased to 14.5kPa-15.5kPa from 16.0kPa-17.0kPa, low-power-consumption and low-fuel-consumption sintering under the super-thick material layer condition is achieved, and the sintering cost is reduced; and NOx emission of sintering raw flue gas is reduced by about 37%, and efficient process emission reduction of the sintering flue gas NOx is achieved.

The invention relates to an edible fungus cultivation medium containing waste feed as major ingredient and a preparation method of the edible fungus cultivation medium containing waste feed as major ingredient, and belongs to the technical field of edible fungus cultivation. The edible fungus cultivation medium containing waste feed as major ingredient contains the following ingredients: waste feed, wood dust or cottonseed hull, calcium superphosphate, urea, lime, magnesium sulfate, Mepartricin and calcium carbonate. The invention also provides the preparation method and the application of the edible fungus cultivation medium. As compared with the conventional cultivation media (such as cottonseed hull, wood dust and corn cob), the application of waste feed as cultivation medium for edible fungus cultivation can save materials and reduce cost.

The invention discloses an efficient quicklime digestion dust collector which comprises a quicklime digester, a digester feeding device, a digester discharge device, a conveyer belt, a dust collectioncover, a columnar dust collection pipeline, a tail gas concentration detector, an umbrella-shaped end cover, an electric control device as well as a pipeline dust collection water ejection device, wherein the pipeline dust collection water ejection device is used for supplying water to the columnar dust collection pipeline and the quicklime digester; the pipeline dust collection water ejection device comprises a plurality layers of dust collection water ejection units uniformly and / or non-uniformly distributed in the axial direction of the columnar dust collection pipeline, a first pressure water tank, a dust collection water main pipe and a digestion water main pipe; the water inlet of the dust collection water main pipe is connected with the water inlet of the quicklime digester throughthe digestion water main pipe; dust collection water is directly dropped back into the quicklime digester for digesting quicklime, or is directly dropped back into a sintering mixed material on the conveyer belt and recycled as 'primary mixing' process water; after being 'peeled', dust in steam is directly dropped back into the quicklime digester, is continuously digested, and flows into a next sintering procedure-'primary mixing'.

The invention discloses preserved beancurd containing a functional factor, which comprises components of soybean and edible (medicinal) fungi. A preparation method for the preserved beancurd containing the functional factor comprises the following steps: soybean, edulcoration, soaking, soybean grinding, filtering separation, soybean milk, soybean milk cooking, soybean milk curdling, blanking, block division, pehtze preparation fermentation, salted pehtze, filling, ripening, and a finished product. During soybean milk curdling, a mixed solution of an aqueous solution of edible (medicinal) fungi ultra-fine powder and the soybean milk is added, and the soybean milk curdling is realized by the following steps: removing roots of the edible (functional) fungi and carrying out edulcoration on the edible (medicinal) fungi; carrying out ultrafine grinding on the edible (medicinal) fungi after drying or insolating; adding water to dissolve, wherein the ratio of the edible (medicinal) fungi ultra-fine powder to the water is 1:4; adding the soybean milk at 100 DEG C with the same quantity as the aqueous solution of the edible (medicinal) fungi ultra-fine powder into the mixture to dilute after the mixture is stirred fully and evenly; and during filling, the aqueous solution of the edible (medicinal) fungi ultra-fine powder is added. The preserved beancurd is rich in functional factor and multiple nutrients and has the advantages of health care function, tasty mouthfeel and simple processing.

The invention relates to the technical field of edible fungi process equipment, in particular to an efficient energy-saving normal pressure sterilization stove, which solves the problems of high comprehensive cost, difficult temperature stabilization and unreliable sterilization effect because the traditional edible fungi sterilization stove stabilizes the internal temperature by mainly adopting an energy dissipation mode. The stove comprises a stove body with an accommodating space and an electric cabinet; one end of a stove body base is provided with a combustion hearth; a horizontal flue is arranged in the stove body base; a plurality of fireproof stop blocks are arranged between the combustion hearth and the horizontal flue and in the horizontal flue; the upper part of the combustion hearth is provided with a trough type steel pot; the upper part of the trough type steel pot is the accommodating space of the stove body; a heat insulation material is arranged in a wall forming the accommodating space; an exhaust port, a deflating valve and a steam safety valve are arranged on the wall forming the accommodating space; and one end, facing the combustion hearth, of the bottom surface of the trough type steel pot is lower than the other end facing the combustion hearth. The stove is supplied with sufficient water at one time, and has the advantages of stable sterilization effect, good heat insulation effect and low energy consumption.

The invention relates to a breeding technology of fly maggots and aims to provide a method for breeding fly maggots in two steps under conditions of normal temperature and low temperature. The method is characterized by adding an enhanced treatment stage before the common breeding treatment method and retaining high environment temperature of the former growth period in a manner of increasing the breeding density of larvae of fly maggots, and increasing independent room temperature or providing coverage for the larvae. The enhanced process can be used for improving the features and the nutritional characteristics of the breeding materials; the growth condition of the larvae of fly maggots can be improved; the growth of the fly maggots can be improved; the indoor enhanced process can be used for improving the growth environment of the larvae of fly maggots by increasing the temperature; the relative temperature-increasing cost is low; the larvae of fly maggots after the enhanced treatment are large in larva instar and size and high in resistance to low temperature; the survival rate of the larvae of fly maggots under the condition of the relative low temperature is higher than that of the larvae which are just hatched in 24 hours. The method can be used for increasing the utilization rate of the land; the biomass waste fly maggots such as excrements of livestock can be annually treated; the method has great effects on enterprise benefit and development and quick and effective treatment on the excrements of livestock.

The invention relates to a novel energy-saving and environment-friendly method for making iron and making an iron alloy by using a lamp-shaped furnace. Large-air hole pressure-proof type ore is loaded from the top of the furnace by using the lamp-shaped furnace with a small furnace hearth and a hot furnace core, coal oxygen or coal power is jetted from the furnace hearth, high-temperature reduction gas is generated and rises to reduce the type ore, reduced furnace gas is combusted again to preheat the descended type ore, and the utilization rate of CO in the furnace is approximate to 100 percent. The furnace has a small amount of coke, low air displacement, a high material temperature and high smelting speed and does not have nitrogen, so that the utilization coefficient of furnace capacity is improved by more than 10 times compared with that of a blast furnace. The standard coal consumption in each ton of iron is less than 400kg and oxygen consumption is less than 320NM<3>, or coal consumption is less than 270kg, power consumption is less than 1,000 degrees and the oxygen consumption is less than 25NM<3>. The occupied area, investment and employees of a lamp furnace ton iron factory cannot reach one fifth of those of a blast furnace process. The energy consumption of the iron alloy reduced by coal electric furnace charcoal is lowered to a great extent, and the novel method is suitable for updating and leading the conventional energy-saving and emission-reduction technology of large and medium blast furnaces or submerged arc furnaces.

The invention discloses a hammer type crusher internally provided with a feeding fan and a rotary screen, which comprises a shell, a driving device as well as rotary screen assembly and a rotor assembly that are arranged inside the shell, wherein the rotary screen assembly comprises a fan and a filter screen; the rotor assembly comprises a hammer carrier plate and a hammer piece; the driving device drives the rotary screen assembly and the rotor assembly to rotate along the opposite directions at the same time; the fan can be used for throwing the material to the end of the hammer piece alongthe direction of 360 degrees, so that the material can be completely crushed by the hammer piece; meanwhile, the rotary screen assembly and the rotor assembly rotate along the opposite directions, sothat a material circulation layer can be prevented from being formed, and the problems of material blockage, excessive crushing, uneven granularity, high material temperature, high consumption and energy consumption and the like can be avoided; and the filter screen rotating at the wrap angle of 360 degrees is beneficial to discharging, so that circumferential 360-degree feeding and 360-discharging can be realized, and the problem that a screen of the traditional crusher is fixed, so that the feeding direction is limited can be solved. The hammer type crusher has the advantages of high efficiency, energy conservation, environmental protection, good quality of finished goods and the like, and can be applied to vertical and horizontal hammer type crushers, thus having wide application scope.

The invention discloses an automatic fermentation controlling and monitoring system for wine making in a wine room. The system mainly comprises an alcohol concentration detection module, a temperature measurement module, a controller, an air pressure detection module, an Internet of Things communication module, a server, a monitoring platform, a near-field communication module and a client. The controller adjusts the temperature according to a preset value; the alcohol concentration detection module detects the alcohol concentration; the client determines end time of a fermentation process according to a value of the alcohol concentration; information of internal air pressure of fermentation drums is sent to the client through the near-field communication module; the client judges whether the fermentation drums are in air leakage or not; information of the temperature, the alcohol concentration and the air pressure of the fermentation drums is processed by the controller, then sent to the server through the Internet of Things communication module and finally sent to the monitoring platform by the server, and the monitoring platform monitors the fermentation process. Therefore, defects of irrationality in external parameter control, failure in monitoring of airtightness of the fermentation drums, failure in real-time data monitoring and the like in the fermentation process in the prior art can be overcome.

The invention discloses a method for reducing water of sintered mixture, which belongs to the technical field of sintering process in the metallurgical industry. The main technical problem to be solved by the present invention is to reduce the moisture in the sintering mixture and thereby reduce the energy consumption of the sintering process. The basic technical solution of the present invention is: a water-reducing method for sintered mixture, which includes the process of blowing the sintered mixture in the process of falling through the nozzle and using wind force to make it particle size segregated, characterized in that: the sintered mixture The moisture content is reduced by at least 3.6%. The invention is not only suitable for newly designed sintering machines, but also suitable for the transformation of existing sintering machines.

The invention provides a novel waste pitch heating device. The novel waste pitch heating device comprises a base and a combustor and is characterized by further comprising a combustion chamber; the combustor, the combustion chamber and a heating assembly are arranged on the base, the combustor and the combustion chamber are fixedly connected in a sealed mode and fixedly connected with the base through a moving assembly, the two ends of the heating assembly are fixedly connected with the base, and the middle of the heating assembly is fixedly connected with the base; the combustion chamber makes contact with the heating assembly in a sealed mode, a hot air circulating assembly is arranged above the heating assembly and fixedly connected with the base, a first inlet of the hot air circulating assembly is connected with a discharging part in a sealed mode, and a third outlet of the hot air circulating assembly is connected with a feeding part in a sealed mode. During use, combustion hot air enters the heating assembly, normal-temperature waste pitch enters a rotating heating drum from the feeding part, is guided to the bottom of the heating drum through a spiral guiding plate and pushed downwards to a V-shaped plate of a scraping conveying section, moves forwards in a fluctuation mode, is heated by the heating drum, and forms a material curtain for full heat exchange, and the waste pitch is discharged from a discharge port when heated to the needed temperature.

The invention discloses a method for preparing high-nickel molten iron from low-grade laterite-nickel ore by using chain grate machine preheating and electric furnace smelting separation. The method comprises the following steps that S1, drying pretreatment and crushing are carried out on the laterite-nickel ore to obtain laterite-nickel ore powder; S2, the laterite-nickel ore powder is uniformlymixed with a fusing agent to obtain a uniform mixture, and pelletizing is carried out to obtain green balls; S3, the green balls are fed into a chain grate machine for drying, preheating and roastingto obtain preheated pellets; and S4, the preheated pellets are mixed with a reducing agent, and then are fed into an electric furnace for smelting separation to obtain high-nickel molten iron and furnace slag. According to the production method, the electric furnace burden which is high in strength, uniform in particle size and excellent in quality is prepared, and the high-temperature hot preheated pellets are directly fed into the electric furnace to be subjected to reduction and smelting separation, so that the heat required for re-heating to reach the smelting separation temperature is saved, then the electricity consumption of the electric furnace is reduced, and meanwhile, the metal recovery rate is improved.

The invention discloses a device capable of effectively reducing sintering NOx emission. The device comprises a sintering preheating drying furnace and a sintering ignition furnace, the furnace top of the sintering preheating drying furnace is provided with a precast beam, a preheating air channel and a preheating curtain type burner, and the preheating curtain type burner is respectively connected with a gas pipeline and a primary air pipeline; the sintering preheating drying furnace corresponds to a first air bellow and a second air bellow of a sintering air draft air bellow; the sintering ignition furnace corresponds to a third air bellow and a fourth air bellow of the sintering air draft air bellow; and an ignition curtain type burner is arranged at the top of the sintering ignition furnace and connected with the gas pipeline, the primary air pipeline and a secondary air pipeline. According to the device, the stability and uniformity of preheating and drying of a sintering mixture can be achieved, the quality of sintered ore is improved, the strength of the sintered ore is improved, the rate of finished products is increased, reduction reaction with NOx is facilitated, and conversion from fuel nitrogen to NOx is restrained.

A device for preheating to-be-sintered raw materials with steam and sludge belongs to the technical field of sintered ore. The device comprises a primary concentration basin, a secondary concentration basin, a filter screen, a steam pipeline, a lifting platform, a sludge pump, a mud stirring paddle and a through hole, wherein the primary concentration basin and the secondary concentration basin communicate with each other through the bottom through hole; the filter screen is located at the upper part of the primary concentration basin; the steam pipeline is located at the four corners of the secondary concentration basin; the lifting platform is located above the secondary concentration basin; and the sludge pump and the mud stirring paddle are mounted in the middle of the lifting platform. The device has the advantages of simple structure, low site requirement and easiness in implementation. The sludge concentration of equipment with no steam pipeline is about 20%-25% in general, and the concentration is increased to 35%-38% after the steam pipeline is arranged on the equipment.

The invention discloses an automatic fermentation control system for wine making of a wine room. The automatic fermentation control system for wine making of the wine room mainly comprises an alcohol concentration detecting module, a temperature measuring module, a controller, an air cooler, a fan heater, a near-field communication module and a client side, wherein the temperature measuring module acquires temperature values in real time and transmits the temperature values to the controller; the controller adjusts the temperature according to a preset value; when the temperature is lower than the set value, the controller controls the fan heater to increase external temperature so as to increase the temperature of the material of a fermentation barrel; when the temperature is higher than the set value, the controller controls the air cooler to reduce the external temperature, and the temperature of the material of the fermentation barrel is increased by effect of heat conduction; when the temperature is in a set range, the air cooler and the fan heater are not started; the alcohol concentration detecting module detects alcohol concentration; after being processed by the controller, concentration value of alcohol is transmitted to the client side; and the client side determines end time of a fermentation process according to the concentration value of the alcohol. Therefore, the shortcomings that external parameters in a fermentation process in the prior art are controlled unreasonably and the like can be overcome.

The invention belongs to the technical field of edible fungus cultivation, and in particular relates to a cultivation material formula and a production method for industrial production of Flammulina velutipes. The cultivation material of Flammulina velutipes consists of the following raw materials in percentage by weight: 42% to 50% of Artemisia annua, 28% to 32% of cottonseed hulls, 12% to 16% of bran, 5% to 10% of soybean powder, and 0.5% of calcium carbonate. %~2.0%, lime 1.0%~3.0%, magnesium sulfate 0.2%~0.5%. The cultivation material uses Artemisia persicae as the main material, which not only solves the cost problem of raw materials for the production of Flammulina velutipes, improves the cultivation efficiency, but also realizes the effective utilization of Artemisia persicae weeds, and reduces the damage and pollution to the environment. The production method of Flammulina velutipes realizes the purpose of high-efficiency production under the factory mode.

The invention discloses a method for mixing raw materials produced by sintering, which comprises the following steps: firstly adding sintered return ore powder and water into a digester for mixing, then adding quicklime into the digester to mix with wet return ore powder and water, and then mixing Good returned ore powder and quicklime are sent to the cylinder mixer for mixing with the iron ore powder, fuel and other materials prepared according to the ratio. The invention can not only avoid the impact on the quality of sintered ore due to incomplete digestion of quicklime, but also avoid problems such as a large amount of dust generated in the process of digesting quicklime with a digester, blockage of the digester, and the like.

The invention discloses a device and a method for producing a reflective film with a microprism structure by an extrusion method. The present invention adopts a special extrusion coating process to extrude and coat transparent thermoplastic resin on the high-temperature-resistant fiber tape attached to the metal roller through the hot extrusion die head without stretching, and through the pressure and rolling of the roller and the roller, The plastic melt is extruded and flowed in the mold belt, thereby filling each sunken microprism unit to achieve the purpose of molding replication, and then enters the cooling zone for cooling and peeling. The equipment of the invention is easy to manufacture, and the mold belt has a long service life; the reflective film produced by it has high retroreflection coefficient, uniform brightness and good weather resistance.

The invention discloses preserved beancurd containing a functional factor, which comprises components of soybean and edible (medicinal) fungi. A preparation method for the preserved beancurd containing the functional factor comprises the following steps: soybean, edulcoration, soaking, soybean grinding, filtering separation, soybean milk, soybean milk cooking, soybean milk curdling, blanking, block division, pehtze preparation fermentation, salted pehtze, filling, ripening, and a finished product. During soybean milk curdling, a mixed solution of an aqueous solution of edible (medicinal) fungiultra-fine powder and the soybean milk is added, and the soybean milk curdling is realized by the following steps: removing roots of the edible (functional) fungi and carrying out edulcoration on theedible (medicinal) fungi; carrying out ultrafine grinding on the edible (medicinal) fungi after drying or insolating; adding water to dissolve, wherein the ratio of the edible (medicinal) fungi ultra-fine powder to the water is 1:4; adding the soybean milk at 100 DEG C with the same quantity as the aqueous solution of the edible (medicinal) fungi ultra-fine powder into the mixture to dilute afterthe mixture is stirred fully and evenly; and during filling, the aqueous solution of the edible (medicinal) fungi ultra-fine powder is added. The preserved beancurd is rich in functional factor and multiple nutrients and has the advantages of health care function, tasty mouthfeel and simple processing.