44results about How to "Achieve energy saving and environmental protection effect" patented technology

The invention relates to the field of cast iron alloys, and particularly relates to a vanadium-titanium ferrite ductile iron automobile hub and a preparation method thereof. The automobile hub is made of vanadium-titanium ferrite ductile iron, and the vanadium-titanium ferrite ductile iron comprises the following chemical compositions in percentage by mass: 3.3-3.6% of C, 3.0-3.4% of Si, 0.0-0.4% of Mn, less than or equal to 0.06% of P, less than or equal to 0.02% of S, 0.12-0.18% of V, 0.05-0.10% of Ti, 0.0-0.08% of Cr, 0.040-0.060% of RE, 0.040-0.060% of Mg, and the balance of Fe and other trace elements and impurities. The vanadium-titanium ferrite ductile iron automobile hub disclosed by the invention is 550-650 MPa in strength and 12-15% in elongation percentage. Comprehensive properties of the vanadium-titanium ferrite ductile iron automobile hub disclosed by the invention are significantly better than those of common ferrite ductile iron automobile hubs.

The invention discloses an environment-friendly plastic-wood composite tray and a preparation method thereof and belongs to the field of plastic-wood composites. The tray is prepared from raw materials in parts by weight as follows: 15-35 parts of modified bamboo sawdust, 5-8 parts of carbon fibers, 85-95 parts of waste polyethylene particles, 0.6-1 part of benzoin butyl ether, 3-4 parts of N,N-methylene bisacrylamide, 2-5 parts of silicone oil, 0.5-2 parts of polyethylene wax, 0.5-1.5 parts of calcium stearate, 4-6 parts of nano diatomaceous earth, 1-2 parts of zinc oxide, 1-2 parts of epoxidized soybean oil, 1-2 parts of color masterbatch and 0.2-0.8 parts of glycerin. The bamboo sawdust and the waste polyethylene particles are modified in sequence, other aids are added, and the plastic-wood composite tray which is low in cost, light in mass, smooth and bright in surface and colorful is prepared rapidly; the energy-saving and environment-friendly effects are realized while resources are saved.

The present invention relates to a refrigerator door and a refrigerator, comprising a first door body, characterized in that an inwardly concave cavity and a second door body closing the cavity are arranged on the first door body. By arranging a second door body as a smaller door in the middle of the refrigerator door, and setting an accommodating space on the door body of the smaller refrigerator door, the accommodating space and the above-mentioned chamber can accommodate food that needs to be frequently taken out and put in , for example, milk or cold drinks, etc., which reduces the leakage of cold air caused by the refrigerator door being fully opened, thereby achieving the effect of energy saving and environmental protection.

The invention discloses a vertical rod supporting seat movably adjusted on overhung I-shaped steel and a construction method of the vertical rod supporting seat. The vertical rod supporting seat comprises the overhung I-shaped steel, the overhung I-shaped steel is sleeved with a square steel sleeve, and a positioning rod is welded to the top of the square steel sleeve. Vertical rods are connectedto the positioning rod, and meanwhile, threaded holes are formed in the two sides of the square steel sleeve. Bolts are screwed into the threaded holes, then make contact with the overhung I-shaped steel and closely abut against the overhung I-shaped steel. According to the vertical rod supporting seat, the square steel sleeve can be movably adjusted on the overhung I-shaped steel, so that the mounting requirements of the vertical rods with the different spacing are met, potential safety hazards due to the fact that a steel bar head is welded to the overhung I-shaped steel through a traditional construction method are avoided, meanwhile, the spacing between the vertical rods and a wall as well as the spacing between the vertical rods can be reasonably adjusted according to the scheme requirements, and the work efficiency is improved; and the dismounted vertical rod supporting seat can be recycled, and the energy saving and environmental protection effects are achieved.

The invention discloses a high-temperature high-dust content high-corrosion waste heat boiler of metallurgical industry. A high-temperature platen superheater and a low-temperature platen superheater are arranged in a cooling room I and a cooling room II respectively; a convection evaporation tube platen I, a convection evaporation tube platen II and a convection evaporation tube platen III are arranged in a cooling room III, a cooling room IV and a cooling room V respectively; platen heating surfaces are longitudinally arranged in the cooling rooms; a high-temperature radiation settling room and each cooling room are formed by membrane walls and communicated in a staggered manner; an ash bucket is arranged at the lower part of each heating surface; the collected dust is conveyed out of the boiler by a slag extractor. The high-dust content high-temperature flue gas generated in a metallurgical production process sequentially enters the high-temperature radiation settling room, multi-level cooling rooms and an economizer to realize heat energy recovery of a convection bank; the superheated steam generated by the waste heat boiler is applied to enterprise production. The waste heat boiler disclosed by the invention has the advantages of simple production technology, convenience in maintenance and safe and stable operation and is suitable for popularization and application in the waste heat recovery of high-dust content high-temperature flue gas in the metallurgical and chemical industries.

The invention relates to an energy saving system for accurately controlling temperature and humidity of fresh air. The energy saving system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, a first control valve, a flash evaporator, a second control valve and an indoor side heat exchanger, and also comprises a waste heat economizer which communicates with the indoor side heat exchanger, a humidifier which is arranged in the waste heat economizer, a fresh air tail end heat exchanger which communicates with the waste heat economizer and communicates with the outdoorheat exchanger, a third control valve of which one end communicates with the fresh air tail end heat exchanger and the other end communicates with a pipeline between the second control valve and the indoor side heat exchanger, and a temperature and humidity sensing system which is used for detecting the temperature and the humidity of the fresh air passing through the outdoor heat exchanger, the waste heat economizer and the fresh air tail end heat exchanger. According to the energy saving fresh air system for accurately controlling the temperature and the humidity provided by the invention, the temperature and the humidity are controlled accurately; the system energy efficiency is high; moreover, the effects of saving energy and protecting environment can be achieved; and the invention also provides a method for accurately controlling the temperature and the humidity of the fresh air, and an air conditioner.

The invention discloses a light hydrocarbon fuel composition for a vehicle. The light hydrocarbon fuel composition comprises the following components in parts by weight: 500-600 parts of stable light hydrocarbon (octane site in a research method is greater than 92 #), 80-120 parts of isobutanol, 180-340 parts of aromatic hydrocarbon, 130-150 parts of xylene, 200-305 parts of isooctane, 0.25-0.5 part of lanthanum isooctanoate, 0.5-0.7 part of biphenyl, 0.1 part of a metal corrosion inhibitor and 0.1 part of an antioxidant. The stable light hydrocarbon is oil refinery downstream byproducts or methanol to olefin (MTO) and coal tar hydrogenation stable light hydrocarbons; the molecular formula of the isobutanol is C4H100; the aromatic hydrocarbon is a mixture of methylbenzene, dimethylbenzene and trimethylbenzene or one or two of methylbenzene, dimethylbenzene and trimethylbenzene for blending gasoline; the isooctane is alkylated oil and is also called isomer octane, and the research octane number is 98-100; and the metal corrosion inhibitor is benzotriazole. The light hydrocarbon fuel composition for the vehicle can improve power and reduce gasoline consumption; and emission of tail gas pollutants is reduced.

The invention discloses a toilet with an automatic dirt collecting function.The toilet comprises a chamber, a toilet bowl located in the chamber, a flushing system for flushing the interior of the toilet bowl, a suction mechanism, a dirt collecting assembly and a first valve.The suction mechanism comprises a gas-liquid separation box, a vacuumizing device and a dirt inflow pipe.The gas-liquid separation box comprises a box body and a conical net, a vacuum connector is arranged on the top of the box body, a dirt inflow opening is formed in one side of the box body, a dirt outlet is formed in the bottom of the box body, the conical net is fixedly arranged in the box body and located above the dirt inlet, and the external diameter of the conical net is gradually reduced from top to bottom.The dirt collecting assembly comprises a dirt discharge pipe and a dirt collecting bag, the upper end of the dirt discharge pipe is used for being communicated with the dirt outlet, the dirt collecting bag is detachably installed at the lower end of the dirt discharge pipe, and the interior of the dirt collecting bag is communicated with the lower end of the dirt discharge pipe.The first valve is installed between the dirt discharge pipe and the dirt outlet and used for controlling communication or isolation of the dirt discharge pipe and the dirt outlet.Dirt of the toilet bowl can be automatically collected, and an anti-freezing effect can be achieved.

The invention discloses a phase transition heat storage electronic heater; an electric heating tube is mounted on the bottom of the irradiator shell; the phase transition heat storage agent is filled in the upper part of the irradiator shell; when the electric heating tube is electrified to operate, the phase transition heat storage agent absorbs heat energy to become the fluid state from the solid state, supplies heat energy through the irradiating fins of the irradiator and storage and stores part of the heat quantity in the phase transition latent heat mode. When the electric heating tube is powerdown and stopped from being heated, the phase transition heat storage agent releases the stored latent heat to become the solid state from the liquid state and supplies heat energy continuously through the channel pipe and the irradiating fins of the irradiator. The power energy is saved through the frequent electrification and powerdown while the sustainable heating of the phase transition heat storage electronic heater is guaranteed.

The invention relates to a closed type movable large-capacity and self-cleaning public garbage can facilitating garbage classification. The public garbage can comprises two outer can bodies, wherein the outer can bodies are internally provided with inner can bodies; garbage bags are arranged inside the inner can bodies; the outer can bodies are in a framework structure, and side plates are respectively arranged on the two side faces of the outer can bodies; a garbage box and a horizontally-pulling slide cover are arranged at the top of the outer can bodies; the outer can bodies are provided with a cover opening device; the horizontally-pulling slide cover is connected with the cover opening device through cover pulling ropes and a wheel; rail grooves are arranged at the bottoms of the two side faces of the outer can bodies; the inner can bodies are in a framework structure, and the front and back end faces of the inner can bodies are respectively provided with a baffle; pulley wheels are arranged at the bottom ends of the inner can bodies; and frameworks at the bottoms of the two side faces of the inner can bodies are provided with rails which are matched with the rail grooves. The closed type movable large-capacity and self-cleaning public garbage can has the beneficial effects that with adoption of closed type design, the environmental pollution is reduced; the garbage is more directly and conveniently thrown in the garbage can, so that the garbage can be conveniently classified; the garbage bag can be repeatedly used; and the garbage can has a small size but a large capacity.

The invention discloses an air chamber pressure relief device of a combined type air conditioner unit system. A pressure relief valve is mounted on a vertical plug board between a positive pressure chamber and a negative pressure chamber and a positive pressure chamber and comprises a bonnet, a valve seat, a pulley, a gravity block and a cable; a guide rod is arranged in the middle of the bonnet, a guide pipe is arranged in the middle of the valve seat, and a pressure relief hole is formed in a position on the periphery of the guide pipe, of the valve seat; the pulley is fixed on a support of the valve seat; the valve seat is mounted in the position of the pressure relief hole of the vertical plug board; the bonnet is located on one side of the negative chamber; the guide rod on the bonnet penetrates into the guide pipe on the valve seat; a pulley assembly mounted on the valve seat and the gravity block are located in the positive pressure chamber; one end of the cable is connected to the tail end of the guide rod of the bonnet, and the other end of the cable bypasses the pulley and is connected to the gravity block; and the gravity block is suspended freely. The device can avoid overpressure of the air chamber of the combined type air conditioner unit system, and is simple in structure, convenient to assemble and adjust and reliable in operation.

The invention relates to the technical field of water quality detection, and particularly relates to miniature surface water environment quality detection equipment. The equipment comprises a case, and a preprocessing module, a waterway pipeline, a five-parameter acquisition module, a chemical single-parameter test module, a central control transmission module and an industrial control display module which are arranged in the case. The equipment has the advantages that the self-cleaning and maintenance-free effects are conveniently realized, the stability and accuracy of water body measurementare further improved, and meanwhile, the energy-saving and environment-friendly effects are achieved.

The invention discloses an integrated assembling type steel structure building, and relates to the technical field of steel structure buildings. The integrated assembling type steel structure buildingcomprises a waterproof platform, wherein a fixed seat is fixedly arranged on the top part of the waterproof platform; a clamping block A is arranged on the lower surface of the fixed seat in a way ofpenetrating through the waterproof platform; a wall is arranged on the upper surface of the fixed seat; a ridge is fixedly arranged on the top part of the wall; and a ceiling is fixedly arranged on the upper part of the front side of the ridge. The integrated assembling type steel structure building provided by the invention is scientific and reasonable in structure and low in production cost; through the arranged waterproof platform, a certain waterproof treatment effect can be achieved; meanwhile, through an arranged jack, the height adjustment of the building can be realized, so that the application range is enlarged, and the practicability is improved; and through arranging a solar cell panel, solar radiation energy can be converted into electric energy so as to be used by a power equipment in the building, so that a certain energy conservation and environment protection effect is achieved. A steel structure strengthening layer of the design is installed and disassembled in a time-saving and effort-saving way, so that the working efficiency is effectively improved.

The invention belongs to the technical field of vibration reduction, and discloses an intelligent self-adaptive vibration reduction system. The system comprises an outer sleeve composed of a U-shapedplate and a metal outer frame; the two sides of the U-shaped plate are embedded in the metal outer frame, and the interior of the U-shaped plate is connected through a crossed pressure-resistant plate; the middle parts of the crossed compression-resistant plates are hinged; the middle parts of the crossed clamping and pressing plates are respectively connected with the U-shaped plate and the metalouter frame through first damping springs; second damping springs are symmetrically welded to the left side and the right side of the crossed compression-resistant plate. Four end parts of the crossed pressure-resistant plate are in sliding connection with the U-shaped plate and the metal outer frame through sliding blocks and limiting springs respectively. The system is simple in structure and convenient to machine, and the elastic potential energy of the damping spring and the limiting spring, the friction force of the damping plate, the air compressibility of the air spring structure, theviscosity change of magnetorheological fluid in the magnetorheological damper, the repulsion effect of the electromagnet and the like are utilized; therefore, the vibration reduction system has the advantages of being good in vibration reduction effect, high in reliability and capable of achieving autonomous control.

The invention discloses an environment-friendly direct incinerating and gasifying energy supply system of municipal solid wastes. The system comprises an incinerating and gasifying energy supplying system and a waste gas treating system, wherein the incinerating and gasifying energy supplying system comprises a special transport vehicle, an ozone deodorizing and sterilizing area, a garbage crusher, a cut-off machine, a low-temperature incinerator and a high-temperature oxygen blowing incinerator; an ozone deodorizing and sterilizing device, a conveying belt and the garbage crusher are arranged in the ozone deodorizing and sterilizing area; the ozone deodorizing and sterilizing device is connected with the garbage crusher; the garbage crusher is connected with the cut-off machine; the cut-off machine is connected with the low-temperature incinerator; the low-temperature incinerator is connected with the high-temperature oxygen blowing incinerator; the waste gas treating system comprises a first wind suction hood, a bag dust collector and an induced draft fan; a plurality of waste gas treating towers are arranged between the bag dust collector and the induced draft fan; and an air outlet of the induced draft fan is connected with a venting chimney. The system disclosed by the invention has the advantages that the potential pollution of hazardous substances such as heavy metal and dioxins in incineration ash and slag can be effectively controlled; harmlessness and recycling are realized; and harmful and noxious substances in waste gas can be comprehensively removed.

The invention discloses a method for producing energy-saving environmentally-friendly coal by using sludge. The method comprises the following steps of: deodorizing dewatered sludge with waste acid and lime, adding additives such as crushed raw coal, alumina, magnesium hydroxide, glass dust and the like in a certain percentage by weight, mixing and stirring uniformly; stacking for fermenting at normal temperature; and after fermentation is finished, shaping and drying by baking to obtain the energy-saving environmentally-friendly coal. According to the method, sludge treatment and coal energy conservation and emission reduction technologies are combined, the heat and the stickiness of sludge can be used effectively, the combustion ratio of raw coal can be increased to more than 98%, the difficult of sludge treatment is solved better, and the energy-saving environmentally-friendly coal can be provided. The method has the advantages of large sludge treatment quantity, high treatment speed, no pollution in the production process, simple process and low treatment cost, can be used for creating great economic benefit and social benefit and has a high comprehensive utilization value and a sustainable development prospect.

The invention discloses a perforated aluminum plate curtain wall of an external wall, relating to the technical field of building energy saving. The perforated aluminum plate curtain wall of the external wall comprises a keel, a glass curtain wall, a main beam, a steel framework and a perforated aluminum plate curtain wall body, wherein the outer side of the glass curtain wall is provided with the perforated aluminum plate curtain wall body; the glass curtain wall is arranged on the keel; the perforated aluminum plate curtain wall body is arranged on the steel framework; the perforated aluminum plate curtain wall body is formed by splicing a plurality of perforated aluminum plates; and the keel is connected with the steel framework through the main beam. The perforated aluminum plate curtain wall of the external wall not only has favorable sun shading and decorating functions, but also solves the problem of light pollution caused by the glass curtain wall and achieves the energy-saving and environment-friendly effects, and the construction method is suitable for installation and construction of the perforated aluminum plate curtain wall of the external wall and is particularly suitable for the construction of double-layer curtain wall constructional engineering with a high energy-saving requirement and a patterned perforated aluminum plate curtain wall.

The invention relates to a system and a method for displaying and adjusting a double-control type touch display screen. The system comprises a display screen control system, a processing unit, a display screen connected with the display screen control system, and a light sensor module connected with the display screen control system. The light sensor module is used for detecting the illumination intensity of a current environment, and a distance sensor module is connected with the processing unit. The distance sensor module is used for measuring the distance information of a current user and the display screen. An identification module is connected with the processing unit. The identification module is used for identifying the operation mode of the current display screen. An operation module is connected with the identification module. The system for adjusting the display of the double-control type touch display screen can be matched with the environment for adjusting the display brightness. Meanwhile, the system can be matched with the distance between the current user and the display screen for further adjusting the display brightness. Moreover, the system reduces the display contrast upon detecting that the user operates on the display screen with a touch control pen. Therefore, the operation of the user is convenient.

The invention discloses an aerial static water mist haze removing device. The device comprises a constant-pressure water tank, a water drainage pressure stabilization pump, a water suction pump and haze alarming, monitoring and starting control equipment, all of which are arranged on the top of a building, and further comprises a power source and sprayers arranged on the outer side of the building. The constant-pressure water tank is in fluid communication with the water drainage pressure stabilization pump and the water suction pump. The water drainage pressure stabilization pump is in fluidcommunication with the sprayers. The water suction pump is in fluid communication with a municipal administration water supply system. The haze alarming, monitoring and starting control equipment is in signal connection with the water drainage pressure stabilization pump and the water suction pump so as to start the water drainage pressure stabilization pump and the water suction pump when the sethaze level is detected. The power source is electrically connected with the water drainage pressure stabilization pump, the water suction pump and the haze alarming, monitoring and starting control equipment. The device can implement haze and dust removal on the building through the sprayers in a 360-degree seamless coverage manner.

The invention discloses a novel wastewater purification device. The device comprises a filter box, a water tank and a return system, wherein a filter material filling space is formed in the filter boxand used for purifying wastewater; the water tank is arranged at the bottom of the filter box and used for containing water purified by the filter box; the return system is arranged on one side of the filter box and used for returning water leaked during purification by the filter box to the filter box for secondary purification; a prism frustum casing is connected to the top end of the filter box, and an inverted prism frustum water inlet is connected to the top end of the prism frustum casing; the return system comprises a sewage return pipe, a return pump and a return water tank, one end of the sewage return pipe is communicated with the return water tank, and the other end extends into the inverted prism frustum water inlet through the return pump; front open channels communicated with an inner cavity of the return water tank are formed in the outer wall of the water tank and used for receiving water leaked during purification by the filter box and guiding the water into the return water tank. The device can effectively purify sewage and is simple in structure, convenient to operate, energy-saving, environmentally friendly and wide in application range.

The invention relates to the technical field of security and protection, and discloses an energy-saving and environment-friendly fence protection wire capable of detecting violent shearing. The energy-saving and environment-friendly fence protection wire comprises a control chamber, wherein a U-shaped block is connected to the inner side of the control chamber, a second metal block is arranged onthe lower side of the first metal block, a second spring is connected to the upper side of the second metal block, a second moving rod is arranged on the lower side of a first poking block, a first rail rod is connected to the inner side of a second moving rod, and a conductive block is connected to the lower side of the second moving rod. According to the energy-saving and environment-friendly fence protection wire capable of detecting violent shearing, a conductive block on a second moving rod is in contact with the wire while a first poking block drives a first connecting rod to rotate to make the first connecting rod drive a first metal block to slide inwards to be in contact with a second metal block, current is introduced into the conductive block at the moment, and then current is led into an electric wire to warn a thief, so that the electric wire is conductive when being contacted, and the structure achieves the effects of energy conservation and environmental protection.

The invention provides a decorative roof. The decorative roof comprises a plurality of steel columns, a plurality of steel beams and a plurality of unit type energy-saving cellular boards. The steel beams are arranged on the steel columns. The steel beams are mutually spliced, so that a support is formed. Hollow profile assemblies are arranged on the upper portion of the support. The hollow profile assemblies are connected with the unit type energy-saving cellular boards through fasteners. The hollow profile assemblies are fixedly connected with the steel beams. The steel beams are fixedly connected with the steel columns. An open gap is formed between every two adjacent unit type energy-saving cellular boards. Water discharge channels are formed by the open gaps, and the water discharge channels constitute a water discharge system. Due to the fact that the hollow profile assemblies are adopted, the good face plate fixing function is achieved, cost can be reduced, and equivalently, two layers of waterproof protection are achieved. The energy-saving and environment-friendly effect is achieved. The two ends of each hollow profile assembly are connected in a corner brace engagement mode, and therefore the installation period is greatly shortened. According to the design of the decorative roof, the waterproof performance is high, and the overall attractiveness of a building can be improved.

The invention discloses an oil fume pipeline fire hazard early warning apparatus and a system thereof The fire hazard early warning apparatus comprises an early warning management system arranged on an oil fume pipeline main body. The early warning management system comprises a data acquisition unit and a control unit, wherein the data acquisition unit is arranged on the oil fume pipeline main body and acquires state information of the oil fume pipeline main body, and the data acquisition unit includes an oil fume pipeline environment state acquisition module and a date acquisition module; and the control unit is connected to the data acquisition unit, acquires the state information acquired by the data acquisition unit, and determines whether the state information satisfies a preset condition, and if the state information satisfies the preset condition, an early warning control signal is output so as to trigger alarm and early warning information. In the invention, environment information of an oil fume pipeline can be monitored in real time, a fire-hazard hidden trouble is timely discovered and early warning is performed so that a potential safety hazard of the oil fume pipeline is eliminated; fire hazard monitoring early warning, multipoint linkage and accurate positioning are realized; and an energy saving and environmental protection effect is reached.

The invention discloses solar energy efficient glass having a temperature regulating function. The solar energy efficient glass comprises toughened glass, a heat absorbing film, a first solar cell layer, a second solar cell layer, a reflecting layer and a glass base layer. The front surface of the toughened glass is provided with a layer of antireflection film. The rear surface of the toughened glass is provided with the heat absorbing film. The rear side of the heat absorbing film is provided with a layer of light scattering grooves. The rear side of the light scattering grooves is provided with the first solar cell layer. The rear side of the first solar cell layer is provided with the second solar cell layer. The first solar cell layer and the second solar cell layer are provided with multiple cell bars in parallel and spacing way. An air layer is arranged between the first solar cell layer and the second solar cell layer. The reflecting layer is arranged behind the second solar cell layer. The glass base layer is arranged on the rear side of the reflecting layer. The two sides of the glass base layer are provided with supporting structures. The glass has great energy saving effect and has the temperature regulating function.

The invention discloses a crawler-type engineering operation vehicle. The problem that at present, an existing dust collector is low in watering and dust removal efficiency due to a wide raising dust range and large dust amount in outdoor engineering operation is solved. The crawler-type engineering operation vehicle comprises a crawler chassis, a cab, a compartment and a dust removal system, wherein the cab, the compartment and the dust removal system are arranged on the crawler chassis, and the dust removal system comprises a control device, a driving device and a bubbling device connected in sequence. The control device is used for controlling the driving device so as to drive the bubbling device to spray air bubbles or foam. The crawler-type engineering operation vehicle adopts the bubbling device to spray air bubbles or foam so as to achieve a dust removal function. Due to the fact that a bubble or foam spraying range can be up to 30-130 meters or even a longer distance, the crawler-type engineering operation vehicle is high in dust removal efficiency and wide in dust removal range compared with a dust collector or a watering dust removal adopted in the prior art. The crawler-type engineering operation vehicle is provided with the crawler chassis, can conveniently, stably and rapidly walk on all terrains such as mountain land, construction places and construction sites and is suitable for operation places of large dust amount and wide range.

The invention is suitable for the technical field of metallurgy waste heat recovery, and provides a blast furnace molten slag comprehensive utilization system and method. The blast furnace molten slagcomprehensive utilization system comprises a high-temperature molten slag heat insulation system, a cast slag heat exchanger system, a hot air waste heat exchange system and a high-temperature slag particle waste heat exchange system; the high-temperature molten slag heat insulation system is used for buffering the flow rate of high-temperature molten slag, keeping the temperature of the high-temperature molten slag to be the freezing point or above, and adjusting the output flow rate of the high-temperature molten slag; the cast slag heat exchanger system is used for quickly cooling the high-temperature molten slag entering a cast slag heat exchanger into glass slag pieces and exchanging enthalpy released in the high-temperature molten slag cooling process into hot air; and the hot air waste heat exchange system is used for exchanging the hot air enthalpy exchanged by the cast slag heat exchanger system into steam. According to the blast furnace molten slag comprehensive utilizationsystem and method, compared with a current universal water quenching method, when the high-temperature molten slag is processed into glass bodies, a large amount of high-quality enthalpy can be recycled, water is not used, the problems of alkaline water pollution and air pollution are solved, and the blast furnace molten slag comprehensive utilization energy-saving environment-friendly effect is really achieved.

The invention discloses a preparation method of a novel steel structure. The method comprises the following steps of (1) cutting a base material, wherein the base material is provided with a web, theweb of the base material is transversely cut along a cutting line to obtain a first sub-body and a second sub-body which can mutually engage with each other along the cutting position of the web, a plurality of first convex parts which are arranged at intervals at the cutting position of the web are formed at the first sub-body, a first concave part is formed between any two adjacent first convexparts, a plurality of second convex parts which are arranged at intervals at the cutting position of the web are formed at the second sub-body, and a second concave part is formed between any two adjacent second convex parts; and (2) welding the novel steel structure, specifically, the first sub-body is turned over, the positions of the plurality of first convex parts and the positions of the plurality of second convex parts are opposite to each other, the first convex parts and the second convex parts are welded for connection to obtain the base material with a hollow-out web, the novel steelstructure is obtained, and the web of the novel steel structure is straightened through mechanical equipment.

The invention discloses a toilet with an automatic dirt collecting function.The toilet comprises a chamber, a toilet bowl located in the chamber, a flushing system for flushing the interior of the toilet bowl, a suction mechanism, a dirt collecting assembly and a first valve.The suction mechanism comprises a gas-liquid separation box, a vacuumizing device and a dirt inflow pipe.The gas-liquid separation box comprises a box body and a conical net, a vacuum connector is arranged on the top of the box body, a dirt inflow opening is formed in one side of the box body, a dirt outlet is formed in the bottom of the box body, the conical net is fixedly arranged in the box body and located above the dirt inlet, and the external diameter of the conical net is gradually reduced from top to bottom.The dirt collecting assembly comprises a dirt discharge pipe and a dirt collecting bag, the upper end of the dirt discharge pipe is used for being communicated with the dirt outlet, the dirt collecting bag is detachably installed at the lower end of the dirt discharge pipe, and the interior of the dirt collecting bag is communicated with the lower end of the dirt discharge pipe.The first valve is installed between the dirt discharge pipe and the dirt outlet and used for controlling communication or isolation of the dirt discharge pipe and the dirt outlet.Dirt of the toilet bowl can be automatically collected, and an anti-freezing effect can be achieved.

The invention discloses solar energy-saving glass. The solar energy-saving glass is characterized by comprising reinforced glass, a heat absorption thin film, a first solar cell layer, a second solarcell layer, a reflecting layer and a glass base layer. A layer of antireflection film is arranged on the front surface of the reinforced glass. The heat absorption thin film is arranged on the rear surface of the reinforced glass. The first solar cell layer is arranged on the rear side of the heat absorption thin film. The second solar cell layer is arranged on the rear side of the first solar cell layer. The first solar cell layer and the second solar cell layer are respectively provided with a plurality of battery strips which are arranged in parallel and are alternated. A light-pervious gapis formed between every two adjacent battery strips. Light rays are irradiated onto the second solar cell layer through the gaps. An air layer is arranged between the first solar cell layer and the second solar cell layer, and a reflecting layer is arranged behind the second solar cell layer. A glass base layer is arranged on the back side of the reflecting layer. The glass is good in energy-saving and environment-friendly effects.