858results about How to "Guaranteed recycling" patented technology

The invention discloses a regeneration method of a lithium extraction system. The lithium extraction system is regenerated by virtue of alkaline saponification and the regeneration method comprises the following steps of mixing empty-loading organic phases subjected to lithium extraction and reverse extraction and alkaline liquor, saponifying and standing for separating phases to obtain a clarified and transparent regenerated and extracted organic phase, wherein the empty-loading organic phases comprise an extractant, a synergistic extractant and a diluent which are involved in the lithium extraction and reverse extraction processes; the synergistic extractant is iron chloride; and the alkaline liquor is any one of sodium hydroxide solution and potassium hydroxide solution. The regeneration method of the lithium extraction system disclosed by the invention has the advantages of simplicity in operation and good saponifying effect; when lithium is extracted by virtue of the saponified, regenerated and recycled extraction organic phase, the extraction efficiency of lithium is high and the extraction effect is good; and by the method, the recycling of the extraction organic phase for extracting lithium is achieved and the process flows of extracting, carrying out reverse extraction, regenerating and extracting for circularly extracting lithium are completed.

The invention provides a statistical damage constitutive model of rock. The Mohr-Coulomb criterion is adopted as rock micro-element strength, and the conventional distribution form, namely logarithmic normal distribution, in the field of engineering reliability is adopted as the distribution state of micro-element strength. The mature Mohr-Coulomb criterion with wide application is utilized as the failure criterion of micro-element strength, while the function relationship between the damage parameters A, B, C and H of the constitutive model and the pressure sigma 3 of surrounding rock is given, so that the constitutive model can directly adopt numerical calculation software in the calculation of geotechnical engineering, and the effect is verified in the actual engineering application.

The invention provides a solid-liquid separation toilet bowl and a solid-liquid separation treatment system comprising the solid-liquid separation toilet bowl. The solid-liquid separation toilet bowl comprises a panel and a toilet bowl body, wherein the middle part of the panel is provided with a seat hole; the toilet bowl body is provided with a urine collection cavity and an excrement collection cavity; and the urine collection cavity and the excrement collection cavity are arranged with one in front of the other in longitudinal direction of the panel, are positioned below the seat hole and are opposite to the seat hole. Through the urine collection cavity and the excrement collection cavity formed in the toilet bowl body and by arranging the urine collection cavity and the excrement collection cavity with one in front of the other in the longitudinal direction of the panel, the urine collection cavity arranged at the front end is used for collecting urine, the excrement collection cavity arranged at the rear end is used for collecting the excrement, so that the urine and the excrement are effectively prevented from being mixed in the toilet bowl body; and thus, separation and recovery of the urine and the excrement are realized, further recycling of the excrement and the urine is realized respectively, and premise is provided for realizing the value of full utilization of the excrement and the urine.

A heat pipe heat exchanger for waste heat air purifying and heat energy utilization of heat setting equipment is a heat pipe heat exchanger that is provided with heat pipes of different working mediums. An exothermic section of an air side heat pipe is of a spiral fin structure, and an endothermic section of a waste heat air side heat pipe is of a longitudinal fin structure. 50 percent of heat energy is recycled when the temperature of the waste heat air falls from 180 DEG C to 70-80 DEG C. At the same time, a waste heat air inlet tube and a heated air inlet tube are provided with a slot with a detachable and replaceable yarn dust filtering netting; the steamed and liquidized air that is condensed and discharged from the waste heat air with the heat absorbed by the heat pipe of longitudinal fin structure flows into an oil sump tank along the longitudinal fin, enters a low temperature electrostatic pulse oil fume staticizer, and the oil molecular is ionized in the high pressure pulse positive-negative electrode electric field. The waste heat air discharged from the heat setting equipment fundamentally reaches the requirements of environment protective of low temperature, dust free and oil free.

The invention provides a set-retarding type long-distance pumping type concrete prepared by waste slag of subway projects and application, and belongs to the field of concrete. The prepared concrete has the advantages that the density and fluidity are good, the extension and strength are high, the production cost is low, and the concrete is suitable for long-distance pumping. The set-retarding type long-distance pumping type concrete prepared by the waste slag of the subway projects comprises the following components in parts by weight: 260 to 300 parts of cement, 151 parts of water, 990 to 1010 parts of stone, 700 to 720 parts of stone chips, 50 to 80 parts of stone powder, 80 to 105 parts of ore powder, 85 to 100 parts of fly ash, 4.9 to 4.95 parts of set-retarding type polycarboxylate superplasticizer, 0.049 to 0.0495 part of starch ether, and 0.098 to 0.099 part of building glue 1093.

The invention discloses a novel aluminum refining agent, and preparation method thereof, which is characterized in that the novel aluminum refining agent is composed of (by mass percentage) electrolyte 30-80%, heat generating agent 10-50% and degassing component 5-50%. Since the novel aluminum refining agent contains no sodium chloride component, addition of refined aluminum ash into an electrolytic bath can not cause effect on the running of the electrolytic bath, and by adopting excessive electrolyte as the main component for preparing the refining agent, the invention reduces the production cost, and facilities to environmental protection.

The invention discloses ecologically agricultural cultured soil as well as a preparation method and an application method thereof. The preparation method comprises the following steps: A, uniformly mixing organic raw materials and mineral fertilizer raw materials, and adding beneficial bacteria to ferment to obtain a functional multielement ecological fertilizer; B, culturing edible bacteria on a large scale or breeding medium- and small-sized livestock in a fermenting bed on a large scale in a composite heliogreenhouse in a soil wall-crown structure to obtain a byproduct as an ecological organic matrix; C, taking loose coal ash, slags, decomposed coal or gangue with pores as a mineral matrix; D, using common field surface soil; and E, compounding the functional multielement ecological fertilizer, the ecological organic matrix, the mineral matrix and the soil to prepare the ecologically agricultural cultured soil. According to the invention, the multifunctional multielement ecological fertilizer and the ecological organic matrix are produced with high quality and efficiency on a large scale throughout the year dependent on abundant planting and breeding of agriculture and forestry as well as biomass byproduct resources, so that the modern ecologically agricultural cultured soil is built.

A method to prepare dihydroxyacetone in one step through dioxygen catalytic oxidation from glycerin takes glycerin and oxygen or air as materials and activated carbon loaded metal as activator to prepare dihydroxyacetone intermittently in one step through reaction for 1-30 hours under the temperature of 45-90 degrees. The conversion rate of glycerin reaches 70-96% and the yield of dihydroxyacetone comes to 30-45%. The technique provides a new method to prepare dihydroxyacetone for industrial production. Compared with the biological methods in existence, the method of the invention is low in cost, high in yield and simple in process, the products are simple and convenient to separate, and the activator is stable in performance.

The invention discloses an end effector of a clamp-shear integrated pick robot, relating to the field of agricultural robots. The end effector is composed of a single-motor transmission system and a clamp-shear integrated finger tip structure. A motor drives a bidirectional screw rod to rotate under the transmission effect of a bevel gear, so that two oscillating bars are driven to swing through a left-handed nut, a right-handed nut and two sliding sleeves, and thus, a left cutting edge and a left clamping face as well as a right cutting edge and a right clamping face are closed. When the left clamping face and the right clamping face come into contact with a fruit stem, two springs are compressed so that the left clamping face translate backwards in a manner relative to the left cutting edge, and while the left clamping face and the right clamping face tightly clamp the fruit stem, the left cutting edge and the right cutting edge are continuously closed to cut the fruit stem. Under the drive of the single motor only, the integrated operation of clamping and cutting off the fruit stem is realized to guarantee the harvesting and recovering of fruits, and the end effector is simple in structure and small in size and is good for greatly reducing control difficulty and enhancing practicability.

The invention relates to a sludge treatment system and treatment process, and belongs to the technical field of water treatment. The process comprises the following steps: stabilizing the quality and quantity of sludge through a sludge thickener; feeding into a sludge conditioner, and throwing a conditioner to perform wall breaking treatment on the sludge; feeding into a high-pressure mechanical plate and frame filter press, and performing pressure filtration until the water content is 55-60%; feeding into a sludge drying furnace, and performing indirect heat exchange through low-temperature fume produced by a sludge charring furnace until the water content of the dewatered sludge to dried to 10% or below; and feeding into the sludge charring furnace, and pyrolyzing the dried sludge through high-temperature fume produced by an incineration hot-blast furnace to produce biochar and tail gas, wherein the tail gas produced by the sludge drying furnace and the sludge charring furnace is fed into a tail gas purification tower for purification and separation, the produced combustible gas and waste oil are fed into the incineration hot-blast furnace for incineration, and the biochar is comprehensively utilized. According to the invention, sludge from a sewage treatment plant can be treated economically and efficiently, thereby realizing comprehensive utilization of the sludge from a sewage treatment plant.

The invention discloses a power transmission and distribution cost allocation method based on the DEA cooperative game. The data envelopment analysis (DEA) method and thoughts of the game theory in the economics are combined with the power transmission and distribution cost collation problem, the characteristic that the DEA theory has multiple factors is well reserved, comprehensive consideration to multiple influencing factors of power transmission business and uniform balance of multiple characteristics of users are realized, an allocation result is made to be more stable, the defect that in a traditional method, only one single factor can be considered in an emphasizing mode is overcome, and the problem of cross subsidization among the users in a traditional allocation process is well solved; meanwhile, the idea of the cooperative game is utilized, through game competition among different users, joint interest maximization is realized, and complete recovery of cost is guaranteed.

The invention provides an energy feedback control method, and an energy feedback system into which a brake resistor is serially connected through a switch tube. The energy feedback control method comprises the following steps: detecting current voltage on a power grid side of a locomotive to obtain a current voltage value on the power grid side of the locomotive; judging whether the current voltage value on the power grid side of the locomotive is smaller than a first threshold value; when the current voltage value on the power grid side of the locomotive is smaller than the first threshold value, controlling the switch tube to keep a disconnected state so as to enable a brake resistor loop including the brake resistor to be in a non-working state; when the current voltage value on the power grid side of the locomotive is larger than or equal to the first threshold value, further judging whether the current voltage value on the power grid side of the locomotive is larger than a second threshold value; when the current voltage value on the power grid side of the locomotive is larger than the second threshold value, controlling the switch tube to keep a connected state so as to enable the brake resistor loop including the brake resistor to be in a working state; when the current voltage value on the power grid side of the locomotive is smaller than or equal to the second threshold value, controlling to regulate the duty ratio of the switch tube according to the first threshold value, the second threshold value, the current voltage value on the power grid side of the locomotive and total brake power. By the energy feedback control method, real-time control over energy fed back to the power grid side of the locomotive is achieved.

The invention relates to a band sawing machine for cutting waste lead-acid storage batteries. The technical scheme of the invention is as follows: a sawing unit (1) is fixedly mounted close to the left end of a band sawing machine body (2), a mesh screen (5) is mounted in the band sawing machine body (2) under the sawing unit (1), a pushing unit (3) is mounted on one outer sidewall close to the right end of the band sawing machine body (2), and a feeding unit (4) is movably mounted on the band sawing machine body (2). The band sawing machine can divide a waste lead-acid storage battery into a top cover part, a trough part, a pole group part and acid liquid by cutting each time and discharge the four parts onto different processing lines, thus avoiding difficult separation and reclaiming as the result of the irregular mixing of parts broken by the conventional method. The band sawing machine has the characteristics of simple structure and convenience in use, and not only can increase the reclaiming rate of waste lead-acid storage batteries and reduce environment pollution in the process of reclaiming and reclaiming cost, but also can decrease the difficulty of subsequent separation.

The invention relates to combined type cold slag device. It includes cold slag room, air chamber, and water cooling packing auger cold slag machine. The cold slag room is set two divider to divide it into three cooling room. The second divider lower is set hole. The first cooling room is spouted bed structure of which bottom is set close-hole type grid plate on which the main slag discharge pipe is set. The back two cooling rooms are set water cooling tube bank, and funnel cap type grid plate at the bottom. The invention can satisfy the demands of big feeding coal granularity, actual motion and macro-scale operations technology development for circulating fluidized bed boiler.

The invention belongs to the field of metallurgy, and particularly relates to a furnace slag residual scrap iron separation and recovery device. The furnace slag residual scrap iron separation and recovery device aims to achieve the technical effects that scrap iron can be rapidly separated and recovered from furnace slag, and the scrap iron recovery efficiency is improved. The furnace slag residual scrap iron separation and recovery device comprises a first collection frame, a first installation supporting seat, a first installation plate, a second installation supporting seat, a second collection frame, a driving roller, a magnetic conveying belt, a driven roller, a scraping plate, a second installation plate, connecting plates, crushing wheels, a crushing frame, a net plate, a first rotating shaft, a motor, a first gear, second gears, first bearing blocks and second rotating shafts, wherein the first installation supporting seat and the second installation supporting seat are fixedly connected to the top of the first installation plate. According to the furnace slag residual scrap iron separation and recovery device, the effects that the furnace slag and the residual scrap ironin the furnace slag are rapidly separated, and the iron scrap is recovered and reused are achieved.

The invention discloses a heat recovery type air cooling heat pump unit comprising a first refrigerant circulating system and a second refrigerant circulating system, wherein the first refrigerant circulating system comprises a first compressor, a first four-way valve, a second four-way valve, a first air side fin type heat exchanger, an air conditioner side heat exchanger, a first air-liquid separator, a total heat recovery heat exchanger, a hot water circulating water pump, a heat preservation water tank and a valve; the second refrigerant circulating system comprises a second compressor, a third four-way valve, a fourth four-way valve, a second air side fin type heat exchanger, an air conditioner side heat exchanger, a third reservoir, a second air-liquid separator, a partial heat recovery heat exchanger, a heat preservation water tank and a valve. According the invention, heat is ensured to be effectively recovered and reused, and environment is protected from thermal pollution, thereby being environmental friendly and saving energy. In addition, the defects that air conditioner heating and daily hot water supply can not be carried out simultaneously, and the traditional total heat recovery air conditioner system which only has a single heat recovery system can not produce higher-temperature daily hot water at low temperature in winter can be effectively overcome.

The invention provides a method for simultaneously extracting iodine and fucoidin from salted kelp blanching wastewater, belonging to the technical field of environment protection and chemical industry. The method particularly comprises the following steps of: (1) cooling kelp blanching wastewater; (2) degrading nitrate nitrogen and nitrite nitrogen by inherent microbes in kelp blanching wastewater; (3) adding caustic soda into denitrified kelp blanching wastewater, so that the fucoidin is basified, flocculated, and layered in a floating way, filtering, and drying to obtain a fucoidin crude product; (4) pumping the fucoidin-removed kelp blanching wastewater into an acidification tank, adding oxidant, so that iodide ions in solution can be completely oxidized into iodine, and enriching iodine by ion exchange resin; (5) dissolving iodine absorbed in the resin by NA2SO3 solution; and (6) oxidizing iodide ions in desorption solution into the iodine by KClO3 oxidant, crystallizing, separating out, centrifuging, and filtering to obtain crude iodine. According to the method, iodine and fucoidin can be extracted, and the multipurpose utilization rate can be improved, so that the resources waste and the environment pollution can be avoided.

The invention discloses a steel strip cleaning machine. The steel strip cleaning machine comprises a supporting base, a controller is mounted on one side of the supporting base, a cleaning box is fixedly connected to the top of the supporting base, a water tank is arranged on the top of the cleaning box, rollers are movably connected to the two sides of the cleaning box through rotating shafts, a partition plate is fixedly connected with the interior of the cleaning box, and the bottom of the water tank is communicated with a water outlet pipe; the bottom end of the water outlet pipe sequentially penetrates the cleaning box and the partition plate and extends to the position below the partition plate, the bottoms of the two sides of the water outlet pipe are communicated with water spraying nozzles, and power boxes are arranged at the positions, on the top of the partition plate, on the two sides of the water outlet pipe. According to the steel strip cleaning machine, due to use of a water pump, a water groove and a filtering box, waste water obtained after steel strip cleaning can be filtered and absorbed, impurities and harmful substances in the waste water can be removed, the filtered water is stored, circular utilization of the water resources is ensured, a large amount of water resources is saved, and the production cost is reduced.

The invention provides a pipeline detection robot based on multi-sensor information fusion and a method. The robot disclosed by the invention can actively adapt to wide-range pipe diameter change andpassively adapt to small-range pipeline deformation and has a large extent of bent pipe passing ability. Various sensors are carried, the defect of low credibility of a detection result of a single sensor is overcome, and pipeline inner wall corrosion, local deformation, weld joints, cracks and other defects can be detected more accurately.