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 relates to an electric power utilization information remote control system. The electric power utilization information remote control system comprises a marketing business system, a marketing real-time charge remote control system, a load control system, an electric power utilization information collection system, a short message platform and a headquarter customer service system. The marketing real-time charge remote control system comprises a charge control and management program, an electric charge calculation program as well as a charge control strategy application and exception management program. The system can comprehensively, safely and efficiently achieve full support for all businesses of the marketing real-time charge remote control application as well as performs operations such as alarming, power cutting and power restoration according to calculation results, thereby playing a role of a smart meter, achieving interaction between purchase and sale, ensuring business smoothness and electric charge recovery, improving work efficiency, reducing labor costs, saving energy, being user-friendly and enhancing customer satisfaction.

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 discloses a treatment technique for pollutants in sinter fume and a spraying and absorbing tower thereof. After cooling and dedusting, the sinter fume is led into the spraying and absorbing tower, moves upwards to pass through at least two spraying and absorbing sections partitioned from up down in the spraying and absorbing tower, each spraying and absorbing section sprays and absorbs more than one pollutant in the sinter fume and the spraying and absorbing solution does not fall into the absorbing section of next layer, after passing through all the spraying and absorbing sections, the fume is demisted and exhausted from the top of the spraying and absorbing tower. The spraying and absorbing tower comprises a tower body, the tower body is partitioned into a demisting section, more than two spraying and absorbing sections and a fume inlet section from up down and a seriflux pool on the bottom of the tower body, and the adjacent spraying and absorbing sections are partitioned by a tower board assembly. The invention has the advantages that the loss of system resistance is small, the structure is simpler and more compact, the operation is convenient, the absorption effect is good, the treatment capacity is high and the like, and the invention can treat various pollutants in sinter fume.

The invention provides a full sea depth small self-floating type straight-through impact sampling device, which includes an upper release self-floating mechanism and a lower load rejection counterweight mechanism. The release self-floating mechanism includes a flat cylindrical buoyancy block, the circumference of which is uniformly provided with at least two sleeves extending downward vertically. A fixation seat is fixedly connected to a place below the center of the buoyancy block, the part below the fixation seat is fixedly connected to at least one clamping sleeve, and a sampling tube is connected below the clamping sleeve. A buffer spring is arranged between the sampling tube and the clamping sleeve top wall. The load rejection counterweight mechanism comprises a load rejection counterweight block, and a guide stabilizing column is arranged above the load rejection counterweight block. And a mechanical release mechanism is disposed below the center of the fixation seat. The impact sampling device provided by the invention solves the problems of difficult carrying, complex structure, expensive cost and the like in existing seafloor samplers. After sampling, the load rejection counterweight block floats upward independently, additional power and stranded cable are not needed, 2-3 people can finish the all launching and retrieval process, and the device has the characteristics of simple and reliable structure, and convenient maintenance.

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.

The invention discloses a method for extracting lithium from fly ash. The method comprises a process including the steps of carrying out one-step alkali dissolving, filtering, washing, adsorbing, desorbing, concentrating and carrying out carbonation precipitation. The main process comprises the following steps: carrying out an alkali dissolving reaction on the fly ash and an alkali solution; after finishing the reaction, carrying out solid-liquid separation and washing, and adsorbing obtained filtrate and washing solution by a lithium ion adsorbent; desorbing lithium ions and concentrating; adding a precipitating agent into a concentrated solution and carrying out lithium precipitation operation; after finishing precipitation, filtering, washing and drying to obtain a solid, namely a lithium carbonate product prepared from the fly ash. The invention provides the simple and efficient method for extracting the lithium from the fly ash; the method has a wide raw material source and has the advantages of simple process, moderate reaction conditions, no influence on subsequent treatment of the filtrate and filter residues and capability of effectively controlling impurities; the extraction rate is more than 60 percent and the method is applicable to industrial popularization.

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 provides a comprehensive recovery and beneficiation method for low-grade uranium-containing polymetallic ore. The comprehensive recovery and beneficiation method comprises the followingsteps that (1) overflow products obtained by grinding the uranium-containing polymetallic ore are subjected to direct flow magnetic separation roughing operation and reverse flow magnetic separation concentration operation in sequence, and iron concentrate and first tailings are obtained; (2) the tailings are subjected to condensation and flotation to obtain first concentrate and second tailings,the first concentrate is subjected to concentration to obtain lead silver concentrate, and the second tailings are subjected to scavenging to obtain third tailings; and (3) the third tailings are subjected to flotation roughing and condensation, and then uranium, niobium and rare earth mixed concentrate is obtained. The beneficiation index is good, the purpose of fully recovering all useful components in coarse-grain coarse concentrate subjected to tailing discarding through gravity concentration under the coarse grinding condition is achieved, an efficient beneficiation separation and enrichment technology is provided for large-scale development and utilization of the low-grade complex polymetallic hard rock uranium ore in China, and the subsequent cost of extracting uranium, niobium andrare earth in the uranium ore through hydrometallurgy is greatly lowered.

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.

Provided is a beneficiation process for high-sulfur hematite, which is characterized in that two-section continuous ball-milling and screening are performed on the raw ore, magnetic separation is performed on the discharged ore, anion reverse flotation roughing is performed on magnetic-separated concentrate, anion reverse flotation agents are added, anion reverse flotation choiceness is performed on anion reverse flotation roughing concentrate, anion reverse flotation choiceness tailings are combined with anion reverse flotation roughing tailings and then are subjected to anions reverse flotation scavenging, cation reverse flotation roughing is performed on anion reverse flotation scavenging concentrate, collector dodecylamine is added, cation reverse flotation choiceness is performed on cation reverse flotation roughing concentrate, collector dodecylamine is added, cation reverse flotation choiceness concentrate and anion reverse flotation choiceness concentrate are combined into final iron ore concentrate, and anion reverse flotation scavenging tailings, cation reverse flotation roughing tailings, cation reverse flotation choiceness tailings and strong magnetic tailings are finally combined into final tailings. The beneficiation process for high-sulfur hematite improves content of iron, reduces content of silicone and sulfur and provides high-quality iron ore concentrate for steelmaking production and is suitable for beneficiation of high-sulfur magnetite.

The invention belongs to mineral processing field, relates to a beneficiation method, and particularly relates to a selection method for copper sulfide copper minerals and associated elements thereof. The method comprises rapid flotation, bulk flotation and selection period flotation. The rapid flotation step is composed of one-time rougher flotation and one-time selection. The bulk flotation step is composed of one-time copper-sulfur mixing rougher flotation and two-time scavenging. The selection period flotation step is composed of one-time rougher flotation, two-time selection, and three-time scavenging. By means of the selection method for the copper sulfide copper minerals and the associated elements thereof, rapid flotation is conducted on rough concentrate, pyrite is little in content, copper minerals are mainly monomers and rich aggregates, and selection is conducted under a weak alkali environment, so that lime is saved, and recycling of the associated elements is guaranteed at the same time. Bulk flotation is conducted on the rough concentrate, pyrite and copper-poor aggregates are high in content, regrinding high-alkali separation process is adopted, and therefore the tenor and the recovery rate of copper are enabled to be high.

The invention belongs to the field of open-pit mining and relates to a shape design method of a dip bedded slope of an open-pit mine in a composite coal seam. The method includes: first, acquiring step height and face angle of the dip bedded slope of the open-pit mine in the composite coal seam; second, numbering from top to bottom a plurality of weak beds in the dip bedded slope of the open-pit mine in the composite coal seam, and dividing the slope into a plurality of segments from top to bottom by using the weak beds as boundaries; third, determining a safety reserve coefficient K of the slope; fourth, determining flat plate width of the slope segment by segment from top to bottom, thereby allowing an absolute value of a difference between a slope stability coefficient of each segment and the safety reserve coefficient to be not greater than 0.01 and be satisfactory to checking calculation conditions, and meanwhile using flat plate widths of the corresponding segments as slope shape design results. The slope shape designed by the method is capable of effectively preventing landslide, ensuring maximum recycling of resources and maximizing economic benefit.

The invention discloses a deep water pipeline multi-circuit bridging system and a testing and installing method thereof. The deep water pipeline multi-circuit bridging system comprises a seabed manifold, an underwater electric distribution assembly, a first underwater Christmas tree, a second underwater Christmas tree, a first underwater umbilical cable terminal and a second underwater umbilical cable terminal, wherein the seabed manifold, the underwater electric distribution assembly, the first underwater Christmas tree, the second underwater Christmas tree, the first underwater umbilical cable terminal and the second underwater umbilical cable terminal are connected through a hydraulic bridging wire and a water and gas injection pipeline. The hydraulic bridging wire comprises male connector terminals and female connector terminals matched with the male connector terminals. The testing and installing method of the deep water pipeline multi-circuit bridging system includes the following steps that a leakage test and a flushing test are performed on the male connector terminals and the female connector terminals, after the tests are finished, the water and gas injection pipeline and the hydraulic bridging wire are moved underwater, and the water and gas injection pipeline and the hydraulic bridging wire are installed between underwater equipment respectively through the ROV operation. According to the deep water pipeline multi-circuit bridging system and the testing and installing method thereof, fast connecting and disconnecting between the underwater equipment can be achieved, it is ensured that all key parts and moving portions can be recycled, and the stopping and connecting states of an ROV can be safe and reliable.

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 relates to a system and a method for treating organic wastewater. The system for treating the organic wastewater comprises a grille well, a primary settling tank, a regulating tank and a sludge tank, wherein the sewage outlet of the grille well is connected with the sewage inlet of the primary settling tank through a sewage pipe, the sewage outlet of the primary settling tank is connected with the sewage inlet of the regulating tank through a sewage pipe, the sludge outlet of the primary settling tank is connected with the sludge inlet of the sludge tank through a sludge pipe, and the sludge reflux outlet of a secondary settling tank or the sludge tank is connected with the sludge inlet of the grille well through a sludge reflux pipe. The system and the method can fully play a biological flocculation role of reflux sludge, and improve the effect of biochemical treatment.

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 relates to a multifunction multi-airbag leakage-free gas recycling closed tank car cover plate device, which is characterized in that: a cover plate 1 is of a circular flat plate, a circular flat ring-shaped cover plate airbag sealing ring (34) is adhered onto the lower surface of the circular flat plate, an airbag guide fixed bracket (7) is nested inside a conical cover plate airbag sealing ring (134), and the lower end of the airbag fixed bracket (7) is connected with a spring hook (20) of a corrugated pipe (19). A reversed tower-shaped airbag guide fixed bracket (207) is arranged below a circular flat ring-shaped flexible sealing ring cover plate, and the interlayer between the airbag guide fixed bracket (7) and the reversed tower-shaped airbag fixed bracket (207) is provided with airbag sealing rings (80) and (120). An airbag ring charging-discharging pipe (10), an airbag charging-discharging tee manual valve (8) and an airbag charging control valve (9) are arranged inside the airbag sealing ring (80). The airbag charging-discharging pipe extends out of the cover plate (1) through an airbag charging-discharging pipe hole (42). The device has simple structure, adopts multiple airbags to seal, is safe and reliable to use, and has high recycling efficiency. The device is free from leakage and pollution, conforms to the national environmental protection and safety requirement and conforms to the intrinsic explosion-proof requirement under the sealing, and loading arms which are used under different work conditions can be matched and can conform to the diameter and the height of the entrance hole of the tank car. The recycling rate of the gas is improved.

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.