512results about How to "Play an environmental role" patented technology

The invention relates to the field of capacitor processing equipment, in particular to an automatic assembly machine of a round capacitor. The machine includes a power distribution control box, a rotary plate and an operation screen, wherein the rotary plate and the operation screen are arranged above the power distribution control box through a bracket and communicated with the power distribution control box; clamps are uniformly arranged along a circle under the rotary plate; a feeding device, a positioning detection device, an upper tin-wire feeding device, a polarity detection device, a first tin-wire welding device, a capacitor turnover device, a lower tin-wire feeding device, a second tin-wire welding device and a discharging device are arranged in sequence on the outer side of the rotary plate in the clockwise direction and connected with the power distribution control box. The automatic assembly machine of the round capacitor has the advantages that automatic operation is adopted from feeding to discharging, the processing accuracy and processing efficiency of the round capacitor are greatly improved, and a large amount of working time is saved.

The invention supplies hot rolling black skin surface steel plate with oxide layer adhered and manufacturing method. Its components are 0.01-0.30wt% C, not more than 1.0wt% Si, 0.10-1.80wt% Mn, not more than 0.1wt% P and 0.1% S, and 0.1% Al, rest iron and unavoidable impurity. The average thickness of the steel plate surface oxide layer is less than 10mum. And its Fe3O4 content is more than 90%. Its manufacturing method includes the following steps: heating casting blank to 1200-1270 degree centigrade; preserving heat for 2-5 hours; rough rolling; using more than 10MPa high pressure water de-scaling for two to six times; finish rolling beginning at 900-1100 degree centigrade, finishing at 800-950 degree centigrade; cooling at the speed of 8-30 degree centigrade per second; coiling at 450-650 degree centigrade. The invention has the advantages of environmental protection, saving energy sources, improving press die useful life, great economic and social benefits.

An energy-saving and environmental-protection process flow of sewage treatment relates to the technical field of sewage treatment. The process flow is characterized by comprising the following steps: collecting waste water containing heavy metal through pipelines, sending into a grilling drainage and passing through a crude grilling; sending the waste water filtered by the crude grilling into a collecting well; supercharging the waste water in the collecting well through a pump and then lifting to an adjusting tank; stirring with a submersible mixer mounted in the adjusting tank; sending the waste water stirred in the adjusting tank to a pH adjusting tank through a lift pump; sending the waste water in the pH adjusting tank to a coagulation reaction tank; sending the waste water in the coagulation reaction tank into a primary settling tank for preliminary sedimentation; enabling supernatant in the primary settling tank to gravity flow to an A / O biochemical tank; decomposing the waste water in the A / O biochemical tank and then sending to a secondary settling tank; sending supernatant obtained through secondary sedimentation in the secondary settling tank to an middle tank; lifting the waste water in the middle tank to an active carbon pot through a pump; and sending the waste water adsorbed by the active carbon to a disinfection tank for disinfection. The process flow has advantages of environmental protection, energy saving, simple operation process and significant treatment effect.

The invention discloses a self-locking type emulsion pump which comprises a pump chamber. A pump bead mechanism is arranged at the lower end of the pump chamber. A liquid inlet is formed in the portion, at the lower end of the pump bead mechanism, of the pump chamber. The self-locking type emulsion pump is characterized in that a locking cap capable of connecting a locking bottle cap to the pump chamber is inserted in the upper end of the pump chamber, the outer wall of the locking cap and the inner wall of the pump chamber are sealed, a pump rod is arranged in the pump camber, penetrates the locking cap and is movably sealed with the locking cap, a suction plug is arranged at the portion, at the lower end of the locking cap, of the pump rod, a bend is connected to the upper end of the pump rod, ribs are arranged on the outer wall of the lower end of the bend, limiting steps are arranged at the upper end of the locking cap and jacked by the ribs when the bend is locked, receding grooves allowing the ribs to move vertically are formed in the inner wall of the locking cap, and the limiting steps are communicated with the receding grooves. The self-locking type emulsion pump is simple in structure, convenient to use and capable of being locked by rotating the bend.

The invention provides a novel compound microbial fertilizer containing Pulullan and polyglutamic acid and a preparation method of the novel compound microbial fertilizer. The compound microbial fertilizer comprises a microbial fermentation inoculum, compound nutrients, Pulullan and polyglutamic acid, wherein the microbial fermentation inoculum is prepared by mixing fermentation liquors of bacillus megatherium, bacillus amyloliquefaciens, bacillus thuringiensis, bacillus mucilaginosus and azotobacter chroococcum according to the mass ratio of 1: 1: 1: 1: 1; the compound nutrients comprise nitrogen, phosphorus, potassium, trace elements, organic matters and compound amino acids. By applying the microbial fertilizer, the bud ratio, the plant height and the yield of highland barley can be obviously improved, and the highland barley is excellent in taste. Furthermore, the use level of irrigation water can be reduced by 10% due to the film-forming property of Pulullan and the water-retaining property of polyglutamic acid. In addition, Pulullan and polyglutamic acid are mixed to form a liquid mulch on the surface of soil, so that the use of a plastic thin film can be reduced, an environmental protective role can be played, the labor force is alleviated, and the cost is lowered by 10-20%.

The invention relates to an acoustic insulation and absorption felt and a production method thereof. The acoustic insulation and absorption felt comprises a surface layer and a bottom layer, wherein, a bonding layer is arranged between the surface layer and the bottom layer; the surface layer and the bottom layer are both made from modified polyester, waste cotton and polyester opening wool blended fiber; the surface layer is of a compact small-clearance hard-layer structure, and the bottom layer is of a fluffy porous soft-layer structure; and the bonding layer is made from polyethylene and has a membrane structure. The production method comprises the following steps of preparing the surface layer and the bottom layer sequentially, and bonding the layers. In the invention, the surface layer and the bottom layer are made from the modified polyester, the waste cotton and the polyester opening wool blended fiber, thus having lower cost; the waste cotton and polyester opening wool are recycled fiber, thus playing a role of environmental protection; the surface layer is of the compact small-clearance hard-layer structure, thus having an acoustic insulation function; the bottom layer is of the fluffy porous soft-layer structure, thus achieving the purpose of acoustic absorption; and the polyethylene bonding layer is of the membrane structure, thereby further enhancing acoustic insulation function.

The present invention discloses one kind of new ladle lining structure and slag preventing paint. The slag preventing ladle structure includes from inside to outside the work lining layer, the permanent cast material lining layer, and the ladle wall. The work lining layer includes the lower laid structure and the upper cast structure, and has slag preventing coating on the inner wall. The slag preventing paint consists of Al2O3 20-42 wt%, Na2SiO3 15-25 wt%, phenolic resin 3-7 wt%, amorphous carbon 15-25 wt% and SiO2 15-25 wt%. The technological scheme of the present invention results in greatly prolonged service life of the ladle, low production cost and reduced environmental pollution.

The invention relates to a waste gas purification method and equipment, especially to a industrial waste gas dedusting, dewatering and desulfurization method and equipment. Technical scheme of the invention includes steps: spraying water to waste gas to fully mix and separate gas and water and make dust-containing sewage to flow downwards; making the waste gas to flow upwards to enter a helical channel, carrying out deceleration and temperature lowering for the waste gas so that contained water is adhered to wall of the helical channel to naturally flow downwards; and discharging the purified flue gas. The invention has advantages that compared with common industrial waste gas dedusting, dehydrating and desulfurization equipment, the invention saves investment by two thirds, has small resistance and high purification efficiency, does not generate secondary pollution, has simple structure and can substitute wet type dedusting facility such as common impact wet type filtration deduster and water bath deduster, water collection efficiency of the helical channel can reach 90%, and waste gas after secondary purification reaches national standard and is discharged into atmosphere, so that the invention has environmental protection and waste water circulation, namely emission reduction, functions.

The invention relates to an energy-saving environment-friendly rolling mill guiding device in the metallurgical industry, which is characterized in that the distance between a left side wall and a right side wall can be adjusted by a control system according to the width of a rolled piece. The control system is a closed loop control system consisting of a computer, an interface card, a driver, a servo motor, a screw rod, a coded disc and an interface card; a sensor transmits a rolled piece width signal to the computer; the computer is connected with the driver through the interface card; through the driver, the servo motor drives the screw rod to work; and the distance of screw rod drive is transmitted to the computer by the interface card through the coded disc. An inlet guide is also connected with a whole body shift-out device, and an outlet guide is provided with a water fog dust collector. The energy-saving environment-friendly rolling mill guiding device has the advantages that the operation is safe and convenient due to automatic remote control, the inlet guide is integrally shifted out and in and has off-line maintenance due to synchronous dual guides, and the outlet guide is provided with the water fog dust collector so that the dust-removing effect reaches 90 percent, the discharge amount of dust and fume is greatly reduced, and the environment is protected.

The invention relates to a method for fixing CO2 (carbon dioxide) by steel slag recycling, belongs to the fields of energy conservation and emission reduction and comprehensive utilization of the resources, and provides an energy-saving and emission-reduction technology for steel slag recycling and CO2 fixing. A steel slag water quench process is coupled with a CO2 fixing process, so that CO2 is permanently cured and stored in the steel slag. On one hand, the method disclosed by the invention plays an environment-friendly role in curing of greenhouse gas CO2; on the other hand, the steel slag is effectively processed on the basis of basically not increasing the difficulty of the water quenching process of the steel slag, and the performance of the steel slag is improved so as to prepare a value-added product, so that a new route is inaugurated for recycling utilization of the steel slag. Not only is the problem of large-scale effective utilization difficulty of the steel slag solved, but also low-cost curing of CO2 is really achieved. Waste is prepared from waste, and the waste is changed into wealth, and the method is expected to be a new key to solve the global low carbon problem and has significant economic and social benefits.

The invention discloses a straw smashing and stubble breaking rotary tillage all-in-one machine, and relates to the technical fields of straw returning machines and rotary tillage. The straw smashing and stubble breaking rotary tillage all-in-one machine comprises a machine frame, a machine case, a power transmission mechanism and a straw smashing device. The machine case is fixed onto the machine frame, the straw smashing device is arranged on the front portion inside the machine case, the straw smashing device rotates counterclockwise, a baffle is arranged behind the straw smashing device, the two ends of the baffle are fixed onto side plates of the machine case, a gap exists between the upper portion of the baffle and the machine case, a stubble breaking rotary tillage device is arranged on the rear portion of the baffle, and the machine case extends to the rear portion of the stubble breaking rotary tillage device. Straw is guided to the position behind the stubble breaking rotary tillage device under the action of the baffle and the machine case. Furthermore, the front side of the machine case is further provided with a straw combing plough. Press wheels are arranged on the rear portion of the machine case. The straw smashing and stubble breaking rotary tillage all-in-one machine has the advantages that straw smashing field returning and stubble breaking rotary tillage are completed at a time, residual straw which is not smashed does not exist under tracks, the efficiency is high, the energy consumption is low and soil moisture conservation is achieved. The development of the straw smashing and stubble breaking rotary tillage all-in-one machine is a breakthrough of agricultural machines.

The invention discloses high-strength highly-permeable inorganic concrete and a preparation method thereof. The high-strength highly-permeable inorganic concrete comprises, by weight, 60-120 parts of water, 200-500 parts of cement, rubble, sand, 100-200 parts of mineral powder, fly ash, 1200-1800 parts of steel slag, 100-300 parts of quartz sand, 30-80 parts of a reinforcing agent, 10-30 parts of a water reducing agent and stones. According to the high-strength highly-permeable inorganic concrete, the mineral powder and the reinforcing agent are utilized to equivalently replace cement, the grading proportion of a permeable concrete gelled material can be improved, permeable concrete with good fracture resistance and permeability performance is obtained, cement consumption is lowered, the cost is saved, the problem that the steel slag and mineral waste residues serve as waste to cause secondary pollution to the environment is solved, industrial waste is effectively utilized, and good environmental benefits are achieved.

The invention relates to an electronic tomb and an informationization cemetery management system. The electronic tomb comprises an electronic tombstone 3 and a tomb body 10, and the system realizes informationization management of a cemetery through a network mainly according to a server. The cemetery management system which is constructed by the aid of a network informationization cemetery management method mainly comprises the server 1, wifi (wireless fidelity) base stations 2, the electronic tombs, an electronic welcome wall 4, family rings 5, smart cinerary caskets 6, a mobile device client 7, a holographic emitter 8 and an electronic totem pole 9. According to the management method, information data are transmitted to the server through the client, then the server pushes the information data to the client, and network connection, communication and data transmission between the server 1 and the client are realized. User information is acquired through card swiping of identity recognition units 5, and own data belonging to users are read for different users. The method realizes informationization cemetery management and is simple to operate and easy to implement, sacrificial ceremony is enabled to be richly human friendly, and miss distance between the living and the departed is closer.

The invention provides a pipeline processing device for crustacean marine products and relates to the technical field of aquatic product processing devices. Four working areas, namely a cleaning area, a heating area, a husking area and a drying area, are sequentially formed along the processing direction of the crustacean marine products and are connected with the power input interface of each working area; power equipment for providing power energy for each working area is arranged; the cleaning area comprises a cleaning pool and a conveying device; the heating area comprises a steam boiler, a gas pipeline and a heating box; the husking area comprises a raw material conveyer belt, a driving device and a husking screen shoe; and a dryer and a finished product collecting groove are formed in the drying area. The crustacean marine products can be fully automatically cleaned, steamed, husked and dried, so that the manual labor is effectively reduced, the production cost of the enterprise is reduced, the production efficiency is improved, and a novel trial is brought to processing mechanization and automation of the crustacean marine products.

The invention discloses a denture manufacturing process, wherein the technological process of the denture manufacturing process comprises the following steps: step 1, acquisition of model data; step 2, designing of a denture male die: adjusting the form of the denture male die; step 3, printing of the denture male die: printing by light curing; step 4, removing of a support body and casting line planting; step 5, embedding: completely embedding the denture male die in an embedding material, and then introducing into an embedding ring; step 6, sintering: when the embedding material in the embedding ring is solidified and cooled, putting into a high-temperature sintering furnace, and sintering to form a cavity and a filling hole; step 7, centrifugal forming; and step 8, demoulding: taking out the sintered embedding material, and when the temperature drops to normal temperature, smashing the embedding material to obtain the metal denture finished product. Light-curable 3D printing treatment is performed with software and a Realmaker Halo+3D printer, the denture bridge male die part is subjected to cavity treatment, a female die cannot be expanded and extruded, and occurrence of the cracking of the female die can be almost completely eradicated in the subsequent embedding process.

The invention discloses a method for preparing industrial ultra-fine activated calcium carbonate from a carbide slag, and particularly relates to preparation of employing O / W-type microemulsion. The technology disclosed by the invention comprises the steps of extracting calcium in the carbide slag by saturated ammonium chloride solution, and separating undissolved impurities to filter and obtain calcium chloride solution; reacting fatty acid and alkyl alcohol with sodium hydroxide solution, and adding petroleum ether to form microemulsion; fining microemulsion particles by ultrasound, slowly dripping the obtained calcium chloride solution under an agitation condition, dripping carbonate or bicarbonate solution after dripping, thereby respectively obtaining an upper layer of oil phase, a middle layer of opaque oil phase containing calcium carbonate sediment, and a lower layer of water phase after reaction and delivery are finished; and centrifugally separating, washing and drying the middle layer to obtain industrial ultra-fine activated calcium carbonate, wherein the oil phase and the water phase can be recovered to apply mechanically. By adopting the method, the processing problem of the carbide slag can be well solved; the obtained oil phase and water phase can be recycled; the cost is saved; the prepared light calcium carbonate surface is coated with a layer of fatty acid; the dispersibility is good; the problem that the product is easily gathered is solved; and the method has economical, social and environment-friendly concepts.

The invention belongs to the technical field of plant cultivation, and in particular relates to the technical field of kalanchoe blossfeldiana cutting. A cutting method of kalanchoe blossfeldiana is characterized in that: kalanchoe blossfeldiana cuttings cut from the whole kalanchoe blossfeldiana are cut into a paper pot made from rice hulls, and are transplanted to a big pot after 1 week of growth, and the temperature is controlled to be between 18 and 22 DEG C and humidity is controlled to be between 60 and 70 percent. By the cutting method, nutrients which are needed in the cutting process can be effectively provided, and a pH value of soil is maintained; meanwhile, the paper pot made from the rice hulls is degradable to achieve the effect of environmental protection, so that the survival rate of cutting is improved, and plant height and crown diameter are increased.

The invention discloses a revetment. The revetment comprises a plurality of detachable revetment plates and is characterized by further comprising a plurality of mutually parallel vertical columns, wherein the vertical columns are arranged in a same plane, are fixed on the ground and are vertical to the ground, adsorption layers are paved among the vertical columns, and the revetment plates are detachably fixed on the vertical columns. The revetment disclosed by the invention has a detachable mounting structure, thus the verticality of the revetment can be ensured, the manufacturing and mounting of the revetment plates are simplified by virtue of horizontal regulation of the detachable mounting structure, and the moisture on a wall can be adsorbed so that the revetment plates are protected and the service lives of the revetment plates are prolonged. Furthermore, the invention further discloses a mounting method of the revetment.

The invention relates to vacuum pressurizing and dipping equipment for producing wood plastic composite. The vacuum pressurizing and dipping equipment mainly comprises the following five parts: a pressure control system I, a temperature control system II, a protection system III, a vacuum system IV and a dipping system V. In a wood plastic composite production process, the pressure control system I, the vacuum system IV and the temperature control system II can be conveniently used for automatically compensating pressure, automatically regulating the vacuum degree and automatically controlling the temperature for producing according to a specified production process; inert gas can be used as protective gas by the protection system III, and the protective gas is collected by a gas collection bottle (6) after production; the dipping system is equipment integrating the functions of wood dipping and heating into a whole, and a slide way (16) and a slide wheel (15) are arranged in the dipping equipment and are convenient for putting wood before dipping and taking out the wood after dipping; and a floating prevention piece (19) can be used for preventing wood from floating above dipping liquid in a dipping process. The vacuum pressurizing and dipping equipment has the characteristics of energy saving, environmental protection, convenience in operation and practicability.

The invention discloses application of a solid acid catalyst to preparation of 2,5-dichloronitrobenzene. The preparation method comprises the following steps of: fully mixing p-toluenesulfonic acid serving as a catalyst and a p-dichlorobenzene solution in a kettle, dripping 98 mass percent concentrated nitric acid, performing nitration reaction at certain temperature, keeping the temperature after the reaction is finished, and standing; performing solid-liquid separation to obtain a crude product of 2,5-dichloronitrobenzene; and neutralizing the obtained crude product to reach a certain pH value range by using caustic soda, washing with water, and separating to obtain pure 2,5-dichloronitrobenzene. The p-toluenesulfonic acid is used as the catalyst, reaction steps are effectively simplified, and the emission of wastewater and waste liquor is reduced; materials are reacted completely and the utilization rate is high when the 2,5-dichloronitrobenzene is prepared by external circulation nitration reaction; and the finished product prepared by the method has the yield of 125 percent, and the content is more than or equal to 99.8 percent.

The invention relates to a heat storage pit warm in winter and cool in summer and belongs to the technical field of indoor worming facilities. The heat storage pit comprises a pit body, ranges and a chimney, wherein the pit body is positioned underground and comprises a pit plate and a grait heat storage bed; a flue is arranged between the pit plate and the grait heat storage bed; the chimney is vertical to the pit plate; the flue is communicated with the chimney; each range comprises a hearth and a dust falling chamber under the hearth, and a grate is arranged between the hearth and the dust falling chamber; the ranges are a winter range and a summer range; a hot water ring is arranged at the upper part in the hearth of the winter range; the two ends of the hot water ring are communicated with one end of a water supply pipe and one end of a water return pipe; the other ends of the water supply pipe and the water return pipe are communicated with a heating radiator; a smoke outlet of the hearth of the winter range is communicated with a smoke outlet cylinder; a smoke outlet of the smoke outlet cylinder is arranged in the chimney; a sleeve is arranged outside the smoke outlet cylinder in a sleeving manner; a hot air chamber is hermetically formed between the smoke outlet cylinder and the sleeve; one end of the hot air chamber is communicated with a blast pipe and a speed-regulating blast blower; and the other end of the hot air chamber is communicated with a hot air outlet pipe.

A speed limiting igniter of a motorcycle introduces a microprocessor and an advanced control algorithm on the basis of the prior motorcycle igniter, which makes an engine work in an optimal condition. Centering on P89LPC901 microprocessor, a contactless digital igniter has the characteristics of simple circuit, single input and single output, power-on reset and no external clock circuit. Because of the direct current supply, the initial ignition speed of the invention is faster than that of an alternating igniter, which stabilifies the ignition voltage better. The principle is that a trigger signal generated by cutting a trigger loop with a magneto cam is transformed into an input signal. After being identified by the microprocessor, the input signal is transformed into the reference point signal of a speed and ignition signal. Compared with the predefined speed limit value, the optimal ignition moment can be obtained through fuzzy and intelligent control. The microprocessor controls an ignition circuit; consequently the ignition point can be controlled accurately. Compared with other igniters, the invention has the advantages of simple structure, low cost, accurate ignition point, high performance of the engine and accurate speed limit range.

The invention provides a method for forging and molding inner rings of rolling-mill bearings, which adopts a rolling-expanding mode to forge and mold in a heating-forging temperature range. The method comprises the following steps: feeding a material section into a gas generator and heating the material section to between 1,100 and 1,200 DEG C; taking out the material section from the gas generator and feeding the material section into an electric air hammer; upsetting and punching the heated material section on the electric air hammer; putting a clamp rod into a punched hole and putting the material section together with the clamp rod into a V-shaped clamp groove for forging and stretching so as to increase material density; opening width and finishing forging an inner ring rough of a rolling-mill bearing; conveying the inner ring rough of the rolling-mill bearing to a ring-rolling machine for reaming and rolling to reach the molding size of the inner ring rough of the rolling-mill bearing; and performing spray cooling on the inner ring rough which is rolled and reaches the size so as to finish forging and molding the inner ring of the rolling-mill bearing. The method has the advantages of high material utilization ratio, high production efficiency, low cost, noise reduction, environmental pollution reduction, little machining allowance and energy conservation.

The invention discloses an environment-friendly salt-resistant high-temperature-resistant oil displacement agent containing biological surfactant and used in the petrochemical industry. The oil displacement agent comprises, by weight, 0.1 to 1.2 parts of sodium surfactin, 5 to 8 parts of tea saponin modifier and 80 to 85 parts of water. According to the invention, the sodium surfactin, the tea saponin modifier and other auxiliary components are combined for preparation of the oil displacement agent; the oil displacement agent can be used for exploitation of high-water-content, low-permeability, thickened, high-temperature and high-salt oil reservoirs and can improve oil displacement efficiency, sweep efficiency and recovery efficiency; the tea saponin modifier is prepared from tea saponin extracted from tea seed meal, so cost for the raw materials of the oil displacement agent is reduced; moreover, because of the characteristics of the sodium surfactin and the tea saponin, the sodium surfactin can be decomposed into 4 single amino acids and the tea saponin can be naturally decomposed by microorganisms after demulsification of crude oil; and the separated oil displacement has excellent degradation performance, so secondary pollution caused by incapable degradation of the separated oil displacement is avoided and environmental protection effects are obtained.

The invention relates to an environment-friendly and anti-counterfeiting laser printing technique, which pertains to the field of laser printing. The main point of the invention is that a plain paper is adopted by the technique, when in use, firstly an information layer of pictures and words is directly and continuously printed on the plain paper by a flexographic plate; then a bright layer is printed on the information layer of pictures and words by the flexographic plate, at the same time a laser layer of pictures and words is pressed on the bright layer by a film; the bright layer and the laser layer of pictures and words are solidified; finally with the continuous solidification of the bright layer and the laser layer of pictures and words, pressed films are continuously and immediately peeled off from the paper by a peeling device. The environment-friendly and anti-counterfeiting laser printing technique of the invention has an optimization and improvement on the existing technical process and has the advantages that by adopting the laser printing technique of the invention, printing can be directly processed on the plain paper, industrialized and continuous printing can be realized, and the product printed by the invention can present the effect of node laser. Furthermore, the laser printing technique of the invention is far superior to the products of the prior art in the aspects of practicability, environmental friendliness and economical efficiency.

The invention relates to the field of suspended maintenance of steel-wire-ropes on a large-scale bridge and hydraulic engineering hoists, and discloses a steel-wire-rope-suspended maintenance machine. The steel-wire-rope-suspended maintenance machine comprises steel wire rope guide wheel oil seals, a chain wheel, a chain wheel adjustment shaft, a locking buckle, a locking buckle hanging rope, a forward-and-reverse-rotation electric winch, hairbrush rolls and the like, and is characterized in that a maintenance machine framework is rectangular-shaped or column-shaped or special-shaped and is formed by connecting the folding locking buckle, a left box and a right box. The left box and the right box are opened. Steel wire ropes are sleeved in two semicircular steel wire rope guide wheel oil seals. When the left box and the right box are closed, the locking buckle locks the steel wire ropes, the steel wire rope guide wheel oil seals and the steel wire ropes rub in a sliding mode, more than two hairbrush rolls are fixedly connected inside the left box and the right box, and a motor drives the hairbrush rolls to tightly contact the steel wire ropes and operates in a rub mode. Accordingly, not only dust, sand and aged old oil can be cleaned but also new oil can be efficiently and evenly covered on the surfaces of the steel wire ropes, and all kinds of defects of prior manual oil coating are overcome. The steel-wire-rope-suspended maintenance machine is reasonable in structural design, and improves operation levels and work efficiency.

The invention provides an environment-friendly medical infectious disease prevention type waste collecting device. The environment-friendly medical infectious disease prevention type waste collecting device comprises a frame body, a material receiving device, a rolling wheel device, a baffle device, a smashing device and a heating device. The material receiving device comprises a material receiving hopper, first pushing rods, first air cylinders, first supporting plates, first brackets, first positioning rods, first cross rods, first springs and second brackets. The rolling wheel device comprises first supporting blocks, rolling wheels and a second cross rod. The baffle device comprises first inclined plates, a second air cylinder, a second pushing rod, a first baffle, a first cross plate, a second supporting plate, a third bracket and a first inclined rod. The smashing device comprises smashing wheels, smashing teeth, a first bent plate, a second bent plate, a third bent plate and a fourth bent plate. The heating device comprises a material collecting hopper, a heat dissipation frame, a heating rod and power sources. According to the environment-friendly medical infectious disease prevention type waste collecting device, medical waste can be collected in a sealed mode, the spread of infectious diseases can be effectively prevented, and predisinfection can be conducted on the medical waste to kill some bacteria, so that the effect of environmental protection is achieved.

The invention discloses a normal temperature electrolytic phosphating technology. A phosphating solution comprises 10-63 g / L of zinc ions, 10-100 g / L of calcium ions, 50-120 g / L of phosphate radical,40-200 g / L of nitrate radical, 10-50 g / L of organic acid and 1-45 g / L of an additive, wherein the phosphate radical is P2O5, the phosphating temperature is the normal temperature, and current with thedensity being 3-100 A / dm<2> is applied through direct-current power supplies; the phosphating time is 3-120 s; and the weight of phosphated film is 8-20 g / m<2>, the drawing speed is 4-10 m / s, the phosphating temperature is the normal temperature, no phosphated residue is produced, electrodes do not need to be cleaned periodically, the phosphating solution contains no heavy metal, and environmentprotection standards are met.

An environment protection type coal-saving combustion promoter for decreasing coal consumption by 15-22% and increasing the temp of boiler by 150 deg.C is proportionally prepared from potassium nitrate, potassium permanganate, oxalic acid, the rejected dregs of sulfuric acid plant, electrolytic copper factory and electrolytic aluminium factory, industrial salt and calcium oxide through dissolving the first three in water, breaking others to become 3-mm particles, and spray the solution onto the particles.

The invention discloses a large-opening ring-pull can top cover with a gray scale identification code. The large-opening ring-pull can top cover comprises a cover body and a pull ring, wherein the cover body at least comprises a base material and a photon sensitive ink layer arranged on the inner side of the base material; the photon sensitive ink layer is exposed to form a first gray scale identification code, or after forming the first gray scale identification code, the photon sensitive ink layer is covered by an inner coating layer; the first gray scale identification code is an image formed by the appearance change of part of a photon active material in the photon sensitive ink layer; the surface of the first gray scale identification code is smooth, and has a gray scale difference from the surrounding region; and the first gray scale identification code is arranged on the back surface of the opening region and is located at the central position of the cover body. By the arrangement of the opening region with a relatively large area at the central position of the cover body and the arrangement of the first gray scale identification code with the smooth and attractive surface at the central position in the cover body, the large-opening ring-pull can top cover guarantees the arrangement completeness of the first gray scale identification code on the inner side of the opening region, and the difficulty in manufacturing the ring-pull can top cover is simplified.