74results about How to "Good for secondary use" patented technology

The invention provides a treatment device and method for slag obtained after overhauling an aluminum electrolysis cell. The treatment method comprises the following steps: crushing the slag obtained after overhauling the aluminum electrolysis cell, mixing the crushed slag with a lime fluoride retention additive, grinding the mixture, performing powder selection circulation to obtain powder, and combusting the powder in a cement kiln, so as to completely eliminate hazards and enable the aluminum electrolysis cell to completely lose toxicity. According to the treatment device and method for slag obtained after overhauling the aluminum electrolysis cell, the overall treatment process is carried out in a sealing environment, exhaust gas generated is basically dry gas and finally discharged after being combusted, so that the clean emission is realized, and the secondary atmospheric pollution is avoided; besides, residue generated is used as a cement clinker and can be effectively reutilized, the risk of secondary pollution is completely eliminated, and the environment and production safety is also realized.

The invention relates to plant cultivation. A plant cultivation substrate is made into a whole by wooden fragments, a soil conditioner and a nutrient particle body. Compared with the like products, the cultivation substrate has the advantages of light self mass, high courage performance and high moister retention: the invention has the best sealing environment to the plant, and does not need the technology experience of the specialists, therefore, the invention not only can realize the greening of roofs, etc., save labor force, and reduce cost, but also is in fixed base type, and can effectively avoid sealing lost and dispersion caused by heavy rain and strong wind.

The invention provides a household garbage treatment method and treatment system. According to the treatment method, household garbage is broken, recoverable garbage is sorted out, and an anti-corrosion modifier is added to be stored; the stored garbage is subject to breaking, and hot air drying and grinding of a cement kiln, powder selection is carried out, and granule matter is burnt. In the process, the garbage is subject to drying and grinding and then is burnt, the side effect of garbage water or garbage waste gas on safety operation of a cement kiln system can be reduced as far as possible, the secondary pollution is reduced, harmless, low-cost and low-investment treatment of household garbage is ensured, and the method and system meet the sustainable development circular economy direction. According to the treatment system, the special advantage of the cement kiln is sufficiently used, in combination with the garbage system, the capital investment is reduced, the garbage treatment capacity is improved, garbage applicability is improved, and the system is a harmless, recycling and low-cost treatment system.

The invention discloses a natural rubber microbial deodorization processing technology, which consists of crushing, extrusion crushing, pressing ruckling, deodorization symbiotic microbial bacterial liquid cleaning, granulation, drying and packaging. The technology is characterized in that during deodorization symbiotic microbial bacterial liquid cleaning, a symbiotic flora cleaning solution well cultured in a corresponding structure of a deodorization cleaning pool is injected into the corresponding structure in the deodorization cleaning pool to conduct cleaning and deodorization on the ruckled natural rubber, so that re-processed odorless natural rubber can be finally obtained through the step. The technology can perform secondary processing deodorization treatment on already processed natural rubber so as to obtain a low odor or odorless natural rubber finished product, and especially for inferior quality natural rubber processed by small rubber processing plants in remote areas, the technology also can enhance the physical and chemical properties of the processed natural rubber by secondary processing.

The invention provides an improved method used for the ink box of an ink jet printer, comprising: detecting a printing head circuit, removing a box cover, removing porous fibre material and convex blocks on the external wall of an ink storage chamber, cleaning a printing head, filling new porous fibre material and filling ink water into the ink storage chamber, test-running the gained ink box subsequently, removing the secondarily filled porous fibre material of the ink box which is qualified by the test-running; subsequently sealing the opening by a matched top cover, and detecting the airtightness of the printing head to reach a state without air leakage so as to gain the improved product. The method of the invention is beneficial to reducing the usage cost of the existing wide-width recording medium printer and realizes good environmental protection effect by one-off use of the ink box.

The invention provides a medical cloud system, method and system for medical big data processing and a medim. IT resources of a hospital are pooled through a virtualization technology, on the basis ofhospital private cloud, a virtual desktop architecture is adopted to be upgraded into medical community cloud, and through a medical big data processing system based on Hadoop, a distributed computing mode is used for solving the problems of medical big data collection, storage and analysis. An Apriori algorithm oriented to the medical big data in a cloud environment is provided, a transaction database is converted into a Boolean matrix by utilizing a matrix thought, a transaction storage mode and matrix rows and columns are compressed and improved, algorithm end conditions are optimized, andthe data is transplanted to a Hadoop medical big data platform to realize MapReduce parallel processing. According to the method, the database scanning frequency is effectively reduced, and the problems of algorithm serialization, low efficiency of generating frequent item sets and the like are solved.

The invention discloses a method and device for predicting the service lifetime of a second-hand battery. The method comprises the following steps: acquiring historical use information, performance test information and a target use scene of the second-hand battery; determining an SOH historical attenuation trend, an actual energy storage parameter and an SOH usage attenuation factor according to the historical usage information, the performance test information and the target usage scenario; determining the service lifetime of the second-hand battery in the target usage scenario according to the SOH historical attenuation trend, the actual energy storage parameter and the SOH usage attenuation factor. The SOH historical attenuation trend, the actual energy storage parameter and the SOH usage attenuation factor are important parameters influencing the service lifetime of the second-hand battery, and therefore, when the service lifetime of the second-hand battery is determined accordingto the SOH historical attenuation trend, the actual energy storage parameter and the SOH usage attenuation factor, the service lifetime of the second-hand battery in the target use scene can be accurately predicted, so that the second-hand battery can be effectively reutilized.

The invention discloses a method for recycling molybdenum from waste slag of a catalyst. The method includes the following steps that A, a sodium hydroxide solution and a sodium carbonate solution are added into the waste slag of the aluminum-oxide-based catalyst and are mixed uniformly; B, after the mixed material is ground into slurry and heated, solid-liquid separation is performed, and a sodium aluminate-sodium molybdate mixed solution is obtained; C, molybdenum in the sodium aluminate-sodium molybdate mixed solution is adsorbed through resin to obtain a molybdenum solution; and D, after calcium chloride is added into the molybdenum solution, calcium molybdate is obtained through precipitation. According to the method for recycling the molybdenum from the waste slag of the catalyst, the molybdenum is recycled from the waste slag of the aluminum-oxide-based catalyst through an analytical method, the technological process is simple, the equipment cost is low, the recycling rate is high, secondary utilization of the industrial waste slag is effectively achieved, valuable mineral resources are saved, and the remarkable progressive significance is achieved.

The invention relates to the technical field of agricultural machinery, in particular to a wheel rake type mulching film strip collecting device and a mulching film strip collecting type straw returning machine. The wheel rake type mulching film strip collecting device comprises a strip collecting frame and at least one pair of rake wheel components, wherein strip collecting frame comprises a leftframe pole and a right frame pole, the rake wheel component comprises a rake wheel and a spring cantilever device. The mulching film strip collecting type straw returning machine comprises a returning machine frame, a straw crushing device, an auger device and a wheel rake type mulching film strip collecting device. The wheel rake type mulching film strip collecting device and the mulching film strip collecting type straw returning machine are reasonable and compact in structure and convenient to use. Arranged at the rear part of the straw crushing device capable of conveying crushed straws to two sides of a mulching film, the wheel rake type mulching film strip collecting device and the mulching film strip collecting type straw returning machine can pick up the mulching film by the rakewheels at the left side and the right side and furl the mulching film towards the middle part of a strip collecting interval, so that the mulching film is stacked into a strip shape. Through practicaltests, the collected mulching film contains less broken straws and other impurities, the mulching film is not lifted up in the collecting process and will not be scattered everywhere, meanwhile, themulching film is not easy to be broken, so subsequent packaging and collection and subsequent secondary utilization of the mulching film are easy.

The invention discloses a petroleum coke material calcination cooling device. The device comprises a cylinder and rims, wherein a material inlet, a material outlet and the rims are arranged on the cylinder respectively, the material inlet and the material outlet are located at two ends of the cylinder respectively, one rim is arranged at each of two ends where the material inlet and the material outlet are located, the cylinder further comprises a cooling body connected with the material inlet, an air inlet and an air outlet are arranged on the cooling body, and the diameter of the cooling body is larger than that of the cylinder. With the adoption of the device, heat of a calcined waste coke material can be fully and effectively utilized secondarily, the energy utilization rate and the heat recovery efficiency are increased from traditionally about 20% to more than 30%, and energy is saved.

The invention relates to a method and device for treating organic wastewater. In order to solve the problems of high cost, complex process and the like during the treatment of the organic wastewater at present, the invention provides the method for treating the organic wastewater, and the method comprises the steps of 1, collecting an organic waste liquid; 2, gradually heating the organic waste liquid, and performing distillation purification; and 3 collecting pure water, and burning organic waste gas. The method is simple, convenient and easy to operate, so that excessive manpower and material inputs are not needed, the treatment cost of the wastewater is saved, wastes are changed into treasures, and the organic liquid can be reused.

A heating system for a man cabin of a shield machine comprises the man cabin, a first temperature sensor, a pressure sensor and an internal circulating heat dissipation water path, wherein the first temperature sensor and the pressure sensor are arranged in the man cabin. At least one water-passing pipeline is arranged in the man cabin, a heat dissipation device and a first manual ball valve are connected to each water-passing pipeline, the two ends of the water-passing pipelines are externally connected with a first heating water path and a second heating water path correspondingly, and the first heating water path communicates with the internal circulating heat dissipation water path mutually. Control ball valves and a one-way valve are additionally arranged on the first heating water path, and the second heating water path is externally connected with a water heating system. The heating system further comprises a control device. The control device receives temperature signals transmitted by the first temperature sensor and a second temperature, compares the temperature signals and then sends out control instructions to the control ball valves and the water heating system for achieving opening/closing of the control ball valves and starting/stopping of the water heating system, and thus communicating of the water passing pipelines and the first heating water path or the second heating water path is achieved finally.

The invention belongs to a moisturizing and production increasing technique of bagged straw mushroom via pleurotus eryngii residue clinker, and relates to the field of edible mushroom panting. Waste mushroom residues generated by pleurotus eryngii yearly causes pollution, the waste mushroom residues can be recycled, manioc waste accessories are added to prepare a lot of compost, which is low in cost and easy to obtain. The straw mushrooms like high temperature and high humidity. The traditional straw mushroom production mode has difficulty in solving the moisturization problem, and the hypha is air dried, which is unbeneficial for the growth of the straw mushrooms. The invention provides a straw mushroom production mode, which stably maintains the moisture, keeps high humidity, shortens the period, improves the yield and reduces the cost. The process flows comprise: bagging pretreated compost, sterilizing, inoculating, germinating the straw mushrooms, after the hypha fills the bag, sterilizing and debagging, and placing naked hypha on a culture frame, covering a layer of waste cotton on the naked hypha, performing mushroom harvest management, harvesting and processing the mushrooms. The moisturizing and production increasing technique has the beneficial effects of stably maintaining the moisture, keeping high humidity, shortening the period, improving the yield and reducing the cost.

The invention discloses an iron powder dust transport vehicle which comprises a chassis, a tank body assembly and a pipe line assembly, wherein a fluid bed is arranged in the tank body assembly; the angle of the fluid bed is 10 to 20 degrees; and a material level controller, a manhole cover and an access cover are arranged at the upper part of the tank body assembly. The invention can effectively solve the technical problems of great iron powder waste in the dust during transportation, low loading and unloading efficiency, low safety factor and the like in the prior transport vehicle; and the invention ensures that the secondary utilization can be effectively performed on the dust, so that the waste is reduced, and the conveying efficiency is improved. By adopting the iron powder dust transport vehicle of the invention, the transportation of material with a larger proportion, such as iron powder dust and the like, can be achieved, the traditional method of transportation is changed, the pollution is reduced, the utilization ratio of the iron powder is improved, and the powder transportation produces economic benefits.