44results about How to "Fully reuse" patented technology

The invention discloses a process for mineral processing of low-grade silicon calcium collophanite. The process sequentially comprises smashing, ball milling, flotation decarburization, positive flotation roughing, reverse flotation roughing and reverse flotation scavenging. A specific collecting agent and a foaming agent are added into silicon calcium collophanite pulp in the flotation process. The process has the advantages that 1) high-grade phosphate concentrate can be obtained from low-grade phosphorite raw material, the influence of organic carbon on positive and reverse flotation is reduced, the effect of agent adsorption by organic carbon is eliminated, the production cost is reduced, and the grade of phosphate concentrate is improved; 2) the collecting agent is improved, so that the flotation efficiency is improved, the normal temperature flotation is achieved, and the flotation temperature is reduced from 35 DEG C to 17-25 DEG C; 3) due to the adoption of nonhazardous and efficient agent, concentrate water and tailing water are not treated, are subjected to closed cycle and are not discharged, and zero emission is achieved.

The invention discloses a biomass pyrolysis gasification method which includes the following steps: 1) feeding a biomass raw material into a microwave pyrolysis reaction section to perform pyrolysis under microwave to generate gas, tar and semicoke as pyrolysis products; 2) respectively feeding the pyrolysis products and a first working gas into a microwave oriented gasification section to perform a gasification reaction to obtain a gasification product; 3) in the gasification product, separating gasified semicoke into two parts, wherein one part is spirally transported to the upper part of a microwave pyrolysis reaction section from the bottom of the microwave oriented gasification section so that this part of semicoke is mixed with the biomass raw material to perform microwave pyrolysis, and the other part of the semicoke is spirally transported to a plasma reaction section with a gas-phase volatile component in the gasification product; 4) performing a plasma gasification reaction to the material fed into the plasma reaction section to obtain high-quality synthetic gas which then is discharged out from a gas outlet while solid residues are discharged from the bottom of the plasma reaction section. The method is high in biomass gasification rate and carbon conversion rate. The synthetic gas is high in quality, can satisfy demand on synthetic liquid fuels and has excellent application prospect.

The invention is characterized by that making numerical system undergo the process of function module division, maknig model creation based on model drive development method, separating function of module from its behavious, utilizing change of state graph of correspondent module to despatch the the condition of its function execution so as to implement reuse of module function; using port to make communication between modules, said port can utilize its contract abstract interface to make interaction with man-machine interface and bottom layer hardware equipment so as to make related hardware application program meet the interface function requirement provided by system, and in the model layer increasing/reducing or replacing correspondent module so as to implement change of system functino. Said invention also provides the application of said numerical control system.

The invention discloses a process for selectively extracting valuable metals in a waste power lithium battery and repreparing a ternary positive electrode material. The method comprises the followingsteps: (1) carrying out complete discharge, disassembly, ultrasonic stripping, calcination and grinding treatment on a recycled waste lithium battery to obtain a required LiNi1/3Mn1/3CoO2 positive electrode material; (2) leaching the LiNi1/3Mn1/3CoO2 positive electrode material through a wet metallurgy method by using mild acid and reducing agent, wherein the ratio of the positive electrode material to the added acid is controlled to be 20-60 mL/g, so as to obtain a leaching solution rich in lithium and a precipitate containing nickel-cobalt-manganese; (3) leaching the precipitate again by using a trace amount of acid and reducing agent, wherein the ratio of the precipitate to the added acid is controlled to be 20-60mL/g to obtain a metal-rich salt solution; and (4) carrying out coprecipitation on the metal salt solution to obtain a ternary precursor, adding excessive 3-10% of a lithium source according to the amount of substance of the precursor, and calcining the material at a selected temperature to obtain the ternary positive electrode material with good electrochemical performance. According to the method, metal resource utilization can be achieved, the problem of harmful garbage pollution is solved, and the cost is low.

The invention belongs to the technical field of garbage treatment, in particular to a household garbage recovery process. A sorting recovery device adopted by the process comprises a crushing chamber,and further comprises a sorting chamber, a stirring rotating shaft, a screening unit, a crushing unit, a feed port, a plastic outlet, a pulp slag outlet, a plastic collecting box, a pulp slag collecting barrel, a mounting plate, an air blower, a motor and a controller; the controller is used for controlling the work of the sorting recovery device; the crushing chamber is a of a cylindrical structure vertically arranged and opened at the bottom; the sorting chamber is arranged on the lower side of the crushing chamber, and communicates with the crushing chamber; as an electromagnet is mountedon a bucket of an excavator, metal iron is screened and collected when garbage is broken and crushed by the bucket, and the sorting efficiency is improved; and meanwhile, plastic particles are used asfillers of solid fuels, and organic pulp slag in the garbage is fed in an anaerobic reaction tank for anaerobic fermentation, so that the garbage is fully reutilized.

The invention discloses a control method and a system for wet method leather manufacturing. By means of combination of hot air dying and drying-cylinder drying, base cloth is subjected to hot pressing and ironing at low temperature to improve surface quality of the base cloth; by means of three-section steam supply, trapezoidal utilization of energy is realized, fresh steam consumption is reduced while base cloth is dried, so that energy saving and consumption reduction are realized; the problem of safety in heating of conduction oil is solved by adoption of steam; by a multi-section heat supply control system, heat of steam condensate can be recycled completely, so that energy saving and consumption reduction are realized; owing to design of the control system, automatic production of a drying section is realized; in addition, adjustment of steam quantity according to operating conditions is realized so as to meet production requirements of different synthetic leather techniques.

The invention discloses a treatment system of isopropanol sewage generated in monocrystalline silicon battery manufacturing. The system comprises a concentrated isopropanol alkali waste liquid storagetank, a fluorine-containing diluted isopropanol waste water storage pool, a first lifting pump, a second lifting pump, a first pH regulating pool, a second pH regulating pool, a first floating removal primary precipitation pool, a second floating removal primary precipitation pool, an anaerobic pool, a defluorination flocculating sedimentation device, a hydrolytic acidification pool, an active sludge pool, a secondary sedimentation tank, a clean water discharging pool, a mud scraping and sucking machine and a sludge pump station. The concentrated isopropanol alkali waste liquid generated after the use of the isopropanol in the wool making stage in the monocrystalline silicon battery production and the fluorine-containing diluted isopropanol waste water are subjected to comprehensive treatment; through the respective pretreatment, the flow is merged for biotreatment; outlet water and active sludge after the simultaneous biological treatment are subjected to sufficient multi-aspect reuse; the waste reuse rate is improved; the discharge of waste liquid and waste materials is greatly reduced.

The invention discloses a potassium permanganate electrolytic feed solution evaporation concentration system, comprising: a raw material tank; a tubular heat exchanger; a falling film heat exchanger, the lower part of which is provided with a falling film separator; forced circulation Heat exchanger; crystallization separator; MVR compression system, the MVR compression system includes a scrubber and a non-condensable gas pipe, the gaseous outlet of the scrubber is connected to a first centrifugal compressor, and the steam outlet of the first centrifugal compressor is connected to A second centrifugal compressor is provided, the steam outlet of the second centrifugal compressor is connected with a third centrifugal compressor, and the steam outlet of the second centrifugal compressor is also connected with a fresh steam pipe; the falling film heat exchanger The steam inlet is connected to the steam outlet of the second centrifugal compressor, the steam inlet of the forced circulation heat exchanger is connected to the steam outlet of the third centrifugal compressor, the non-condensable gas outlet of the falling film separator and the non-condensable gas of the forced circulation heat exchanger The gas outlets are all connected with non-condensable gas pipes; distilled water system.

The invention discloses a kitchen garbage decomposing box. The kitchen garbage decomposing box comprises a box body and a turnover cover mounted on the box body and rotatably connected with the box body through a turnover shaft, a placing cavity upwards opened is formed in the box body, the inner rear end wall of the placing cavity is rotatably connected with six engaging grinding wheels, a grinding wheel cavity is formed in the front side of the placing cavity, a stirring mechanism is mounted in the placing cavity, a first transmission cavity is formed in the lower side of the placing cavity,a door closing cavity is formed in the left side of the first transmission cavity, a door closing mechanism is mounted in the door closing cavity, kitchen garbage can be automatically treated, a series of garbage decomposing flows can be strictly monitored, useful oil and fertilizer can be separated while the kitchen garbage is decomposed, and sufficient decomposing and recycling of the garbage can be ensured.

The invention discloses a molten salt production method for co-producing high-purity magnesium hydroxide, magnesium carbonate and a nitrogen-potassium fertilizer, and relates to the technical field ofchemical product production. The method comprises the following steps: refining magnesium nitrate, adding ammonia water for reacting to obtain a magnesium hydroxide product, reacting a mother solution with ammonium carbonate, performing precipitating to obtain a basic magnesium carbonate product, reacting the mother solution with potassium chloride to obtain crude potassium nitrate, performing refining to obtain molten-salt-grade potassium nitrate, and finally concentrating and crystallizing the mother solution to obtain the nitrogen-potassium fertilizer. The method disclosed by the inventionhas the beneficial effects that a co-production process and a magnesium hydroxide production process supplement each other, existing resources are utilized at the maximum efficiency to obtain the maximum yield, the waste of raw materials is reduced, the commodity additional value is improved, the process raw material utilization rate is high, the product purity is high, and the economic benefit is considerable.

The invention provides a vehicle controller wiring end shield which comprises connector lugs, wiring insertion sheets, M6 nuts with cap and rear pressing plates, wherein the wiring insertion sheets are inserted in the inner lower portions of the connector lugs, the M6 nuts with caps are sequentially disposed in the nut holes vertically arranged in the central tops of the second gradient heads of the connector lugs, bolt holes are arranged vertically in the lower portions of the second gradient heads, and the rear pressure plates are in clamp connection with the bottom of the connector lugs. Connector lugs, wiring insertion sheets, and M6 nuts with caps and rear pressing plates are provided, low production efficiency of original design can be changed, the problems of complex structure and not environmental friendly can be solved. The design is simple and reasonable, and installation is facilitated. Some components can be reused to save energy and ensure environmental friendliness. Batch production is possible, and subsequent maintenance and replacement are facilitated. Since second gradient heads, nut holes and bolt holes are provided, rapid positioning and installation are facilitated.

The invention provides a flow splitting type washing cabin water-saving device. The flow splitting type washing cabin water-saving device comprises a basic frame type water storage tank, a flow splitting pipe valve, a sleeve valve head and a water discharging valve core, wherein the basic frame type water storage tank is a mounting basic frame of a washing cabinet and is also the water storage tank and structurally comprises a cabinet bottom tank body, a backrest tank body and a pressurizing water conveying pump; the flow splitting pipe valve is mounted on the basic frame type water storage tank and structurally comprises a swinging flow splitting pipe and a pressurized flow splitting valve rod; the sleeve valve head is mounted on a washing water channel; and the water discharging valve core is mounted on the basic frame type water storage tank and structurally comprises a valve core slide pipe and a pressurized water discharging valve rod. According to the embodiment of the invention, spaces of the bottom face and the back part of the washing cabinet, which are difficult to use, are arranged into the water storage tank, so that the water storage tank can be conveniently combined and mounted with the washing cabinet, and sufficient washing water can be stored and reutilized; and a washing worker only needs to lift a flow splitting pressurizing handle, and the cleaner washing water can be collected into the basic frame type water storage tank to be stored and reutilized. Therefore, the flow splitting type washing cabin water-saving device is reasonable in structure, is simple to operate and control, and is convenient for people to save the water.

The invention discloses a complex enzyme preparation. The complex enzyme preparation is prepared from 10-20 parts of laccase, 10-15 parts of xylanase, 3-5 parts of pectinase and 1 part of mannose. According to the complex enzyme preparation, the problem that in the prior art, the period for treating plant fiber raw materials by adopting microorganisms is too long is solved. The invention further discloses a process for preparing paper pulp by adopting the above complex enzyme preparation, and a bio-enzyme method is adopted to combine with mechanical pulping.