145results about How to "Has the effect of energy saving and emission reduction" patented technology

The invention discloses a method for real silk fabric functional finishing, especially relates to a method for one-bath multifunctional finishing of real silk fabric by utilizing natural extract, which pertains to textile dyeing and finishing technical field. The invention includes the following steps: placing real silk fabric in solution with 5-20%(o.w.f) natural extract, liquor ratio of 1:10 to 1:100 and PH value of 2-8, treating for 10-100min; then treating for 10-100min in solution with 3-15%(o.w.f.) metal salt, liquor ratio of 1:10 to 1:100 and PH value of 4-8; after washing, dehydrating and furnace drying, completing one-bath finishing with dyeing, antimicrobial and anti-ultraviolet function to real silk fabric. The invention reduces manufacturing procedure of real silk fabric, has effect of energy-saving and emission-reduction, improves cleaning production of textile processing, is harmless to human body and surroundings, and conforms to ecological textile processing requests.

The invention provides a tea dynamic dryer, the structure includes machine rack, drum, outer cover shell, tea inlet bucket, the drum upon the machine rack is placed on the friction wheel and supporting wheel, the lower part of the tea inlet bucket is adapted to one end of the drum tea inlet dynamic-static interval, which is characterized in that: the other end of the air inlet pipe is connected to the hot air transmitting pipe through the floating pipe; the cross sectional area of the central air pipe is gradually reduced from the air inlet end; outer ring surface of the drum is longitudinally equipped with many bar shaped plates; the machine rack is equipped on the machine rack through the swivel-pin, the machine rack horizontal angle modulation mechanism is equipped between the machine base and the machine rack. Under the conditions that the tea is in dynamic, suspending state and is desiccated, the machine has the advantages as follows: the utilization rate of equal diameter drum useful space is high, the waste hot wind is not easy to resort around the drum, the hot efficiency is high, the running time of tea in the drum can be effectively controlled according to the processing demand.

The invention discloses a chamber structure for separating liquid and air. A first flow guide plate (14) for guiding liquid flowing into a liquid and air inlet (11) to a water outlet (13) is formed in the chamber structure, and a first soft separation layer (15) used for filtering liquid and air mixtures is arranged on the plate surface of the first flow guide plate so that bubbles in the liquid and air mixtures can be left on the first soft separation layer. On this basis, the invention discloses an auxiliary water tank including a liquid and air separation chamber (10), an air chamber (20) and a liquid chamber (30). The liquid and air separation chamber is the chamber structure. In addition, the invention discloses an engine cooling system with the chamber structure or the auxiliary water tank. The chamber structure can allow the liquid to seep out of the first soft separation layer, the bubbles are filtered out and left in the first soft separation layer, and therefore the function of separating the air and the liquid is achieved.

The invention relates to a waste heat recovery and utilization system for a coal mine air compressor. The system comprises a heat pipe heat exchanger arranged at the top of the air discharge duct of the air compressor; a heat exchange circulation pipeline is formed between the heat pipe heat exchanger and the casing of a shell-and-tube evaporator through a heat exchange circulating water outlet pipeline and a heat exchange circulating water return pipeline; a refrigerant circulation pipeline is formed between the evaporation heat exchange pipeline of the shell-and-tube evaporator and the casing of a shell-and-tube condenser through a compressor and an expansion valve; a domestic hot water primary circulation pipeline is formed between the condensation heat exchange pipeline of the shell-and-tube condenser and the hot water pipeline of a plate heat exchanger; a domestic hot water secondary circulation pipeline is formed between the cold water pipeline of the plate heat exchanger and a domestic hot water tank; a winter user heating circulation water supply pipeline is formed between user equipment and the condensation heat exchange pipeline of the shell-and-tube condenser; and a summer user refrigerating circulation water supply pipeline is formed between the user equipment and the casing of the shell-and-tube evaporator. By adopting the invention, winter heating, summer refrigerating, and domestic hot water providing all year round for coal mine buildings are realized.

The invention relates to a direct expansion type mine return air source heat pump system and an operation method thereof. The direct expansion type mine return air source heat pump system comprises a diffusion tower which is arranged at a mine return air source outlet, wherein an air outlet is formed in the top of the diffusion tower; an external gas-liquid heat exchanger is arranged on the upper part of the air outlet and is filled with a refrigeration working medium; a plurality of heat pump machine sets are arranged in a heat pump machine set unit; each heat pump machine set comprises an internal heat exchanger, a compressor with a reversing valve and an expansion valve; the external gas-liquid heat exchanger is connected with a shell pipeline of the internal heat exchanger through the compressor and the expansion valve to form a refrigeration working medium heat exchanging circulation pipeline; and both ends of a heat exchanging pipeline in the internal heat exchanger are connected with a water inlet and a water outlet of a user equipment unit respectively to form a user heat exchanging circulation pipeline. The system is operated in a heating mode and a refrigerating mode by switching the reversing valve on the compressor. The direct expansion type mine return air source heat pump system can supply heat to coal mine building heating in winter, living hot water and wellhead freezing protection, supplies cold capacity to summer air conditioning and has effects of energy conservation and emission reduction.

The invention relates to a cooling-heating-integrated double-capillary-tube-layer phase-change energy storage floor terminal device and an application system. The cooling-heating-integrated device combining a traditional capillary tube radiant cooling / heating with the phase-change energy storage technology comprises a ground source heat pump, a water distributor, a water collector, a solar heat collector, an auxiliary electric heater and an energy storage floor. The energy storage floor comprises a floor surface layer, a concrete layer, a heat storage phase-change material layer, a cement mortar screeding layer, a cool storage phase-change material layer, a reflecting film and an insulating layer from top to bottom, wherein the heat storage phase-change material layer is used for storing heat at night in winter, the cement mortar screeding layer is used for separating the heat storage phase-change material layer from the cool storage phase-change material layer and facilitates laying of the phase-change material layers, the cool storage phase-change material layer is used for storing cool at night in summer, the reflecting film is used for reflecting and blocking heat to decrease heat exchange between the cool storage phase-change material layer and the insulating layer, and the insulating layer is made of materials low in heat conductivity and small in density and used for further decreasing heat loss of floor structural layers. Capillary tubes are laid in the heat storage phase-change material layer and the cool storage phase-change material layer to be used for supplying hot water and cool water respectively.

The invention provides a method for preparing a copper oxide / cuprous oxide-based antibacterial material through in situ polymerization. The method is characterized by comprising the following steps: step 1, adding copper oxide, cuprous oxide and diisocyanate into an organic solvent, carrying out a reaction at a certain temperature for 1 to 3 h and then carrying out filtering and drying so as to obtain copper oxide / cuprous oxide composite antibacterial powder; and step 2, adding the copper oxide / cuprous oxide composite antibacterial powder, reaction monomer, a stabilizing agent and a catalyst into a polymerization reactor in proportion and carrying out in situ polymerization so as to prepare copper oxide / cuprous oxide-based antibacterial resin. The method provided by the invention is simple, highly efficient, low in cost and long-lasting in effect and has wide application prospects.

The present invention discloses a green expansive cementing material based on salt chemical industry solid waste and building garbage, and a preparation method thereof, wherein salt-containing chemical industry waste (salt mud, carbide slag and mirabilite), building garbage (gravel, broken bricks and concrete blocks), steelmaking plant waste residue (water residue and steel residue) and power plant desulfuration gypsum are matched with an expander, a water reducer, a soluble calcium salt and other components, and fine grinding and uniform mixing are performed to prepare the green expansive cementing material. According to the present invention, the salt mud, the carbide slag, the mirabilite and other solid waste produced by the salt chemical industry enterprise are digested while the building garbage, the desulfuration gypsum, the water residue and other solid water are subjected to the resource utilization, such that the green expansive cementing material is the green environmental protection cementing material; and the green expansive cementing material has characteristics of good expansion property, good fluidity, good consolidation property, good early strength, active tightening and effective earth's surface sinking control, is the cementing material for mine, and is particularly suitable for the filling mining of coal mines or non-coal mines.

The invention discloses a steam and heat supply system for depth thermoelectric decoupling. The steam and heat supply system comprises a main steam pipeline, a steam turbine high pressure cylinder, adecoupling diversion pipeline, a steam increaser decoupling system, a boiler reheater and a steam turbine intermediate pressure cylinder; a power plant main steam pipeline is connected with the decoupling diversion pipeline; the power plant main steam pipeline is connected with the steam turbine high pressure cylinder; the decoupling diversion pipeline is connected with a power steam inlet of thesteam increaser decoupling system; the decoupling diversion pipeline also provides high parameter industrial steam to the outside; a steam exhaust pipeline at the hot end of the boiler reheater is connected with a suction steam port of the steam increaser decoupling system; a steam exhaust pipeline of the steam increaser decoupling system is connected with the cold end of the boiler reheater; andreheated steam exhausted at the hot end of the boiler reheater is connected with the steam turbine intermediate pressure cylinder through an intermediate pressure cylinder steam inlet pipeline. The purpose of depth thermoelectric decoupling is achieved, and industrial steam or heat supply capacity of a unit can be improved substantially.

The invention provides a forming method of a flange ring for an automobile tail gas recycling device. By combining necking in spindown with reducing spinning, a tube billet can be directly formed to obtain the flange ring for the automobile tail gas recycling device, so the surface quality and integral mechanical property of the flange ring are improved; meanwhile, the productivity and the utilization rate of materials are improved.

The invention discloses an automobile water-assisted engine. The automobile water-assisted engine comprises a water electrolysis reactor for water electrolysis and a kettle for collecting and conveying oxygen and hydrogen generated by the water electrolysis reactor to a vehicle engine, wherein the water electrolysis reactor is provided with a reactor water inlet and a reactor gas outlet, the kettle is provided with a kettle gas inlet, a kettle gas outlet, a kettle water inlet and a kettle water outlet, the kettle water outlet and the reactor water inlet are connected through a water conveying pipe, and the reactor gas outlet and the kettle gas inlet are connected through a water communication pipe. The automobile water-assisted engine is simple in structure, reasonable in design, convenient to install and arranged, easy to operate and good in usage effects, can effectively improve the power of the vehicle engine and can achieve the fuel saving effects.

The invention relates to a ceramic membrane chemical cleaning system and method which are used for cleaning a ceramic membrane in a water treatment system. The chemical cleaning system comprises an online cleaning part, wherein the online cleaning part comprises a dosing pump and a sucking pump; the dosing pump is coupled onto the ceramic membrane arranged in a membrane pool by virtue of a pipeline, so as to inject a cleaning liquid into the ceramic membrane; the sucking pump is coupled onto the ceramic membrane by virtue of a pipeline, so as to discharge water from a back absorption membrane of the ceramic membrane; and the cleaning liquid on the ceramic membrane is discharged into the membrane pool in a sucking process. The system and method which are provided by the invention can be used for solving the problems of pollution of the ceramic membrane in a water treatment process, production of secondary pollutants by the cleaning liquid in a membrane cleaning process, secondary treatment of the membrane cleaning liquid, and the like.

The invention discloses a road network system, comprising a plurality of one-way traffic lanes, wherein every two one-way traffic lanes are crossed in a vertical crossing way. The road network system provided by the invention adopts the one-way traffic lanes which are vertically crossed, thus a continuous flow all-stereoscopic road network system is formed. When the road network system provided by the invention is applied to urban transportation, the problem of traffic jam caused by grade crossing can be avoided.

The invention discloses a variable cross-section high pier turnover formwork structure and a construction method, relating to the field of bridge construction. The structure comprises a base carrier platform, a multi-section inner template system, a multi-section outer template system, a stiff skeleton and so on. The structure has the following characteristics that firstly, the pre-buried stiff skeleton of the variable cross-section high pier is calculated through multiple formulas, and maximum impact of a vibration rod is considered when the stiff skeleton resists wind and is concreted, so that the strength, rigidity and safety of the stiff skeleton are guaranteed; secondly, oriented by the stiff skeleton, multiple backridges are provided with scales at horizontal top surfaces of two ends, so as to control an installation fixing position at the top surface of an outer longitudinal template to position a slope ratio of a variable cross section accurately; and thirdly, a regulating boltis set to regulate the position of the outer longitudinal template, so as to improve the accuracy of the slope ratio of the currently casted template of a variable cross section pier body. The quality of the variable cross-section high pier is improved and construction security is ensured, effects of resource conservation, accelerated progress, energy conservation and emission reduction are achieved, and social benefits and economic benefits are remarkable.

The invention discloses a high-strength dispersing slurry dye mixture and an application thereof, belongs to the field of fabric printing and dyeing, and relates to a high-strength dispersing slurry dye and an application thereof. The dispersing slurry dye mixture is an efficient dispersing system consisting of an anionic surfactant, a nonionic surfactant and a solvent, and is used for assisting the crushing of dye particles and preventing crushed particles from re-aggregating or caking. The problems of low strength of common liquid dispersing dyes and generation of a large amount of waste gasand high-COD printing and dyeing wastewater in the production and use processes of granular dispersing dyes are solved, by reducing the content of the auxiliary agents and compounding a solvent in the auxiliary agents. The invention also provides an application of the high-strength dispersing slurry dye mixture in products and fiber products. When the dip dyeing, printing and pad dyeing processesare carried out, medium-light color fabrics and fiber products are free of water washing, and dark color fabrics and fiber products are subjected to light water washing or reduction washing, so thatthe production of printing and dyeing wastewater is reduced, the energy is saved, the environment is protected, and the market application potential is very good.

The invention relates to the field of green and safe processing and treating of foods, in particular to a quick peeling method of piper nigrum fruits through freezing. The quick peeling method comprises three steps of precooling, freezing and peeling. According to the peeling method, firstly fresh piper nigrum fruits are frozen, then the frozen piper nigrum fruits are stored, and the unfrozen piper nigrum fruits can be directly peeled through mechanical and electronic integration so that white piper nigrum fruits are prepared. The prepared white piper nigrum fruits are smooth in surfaces, mellow and full in granules, quietly-elegant in color, rich in fragrance and free from any peculiar smell, the fragrance of the white piper nigrum fruits is substantially elevated, the quality of the white piper nigrum fruits is excellent, and the quick peeling method is suitable for large-scale industrialized continuous production.

The invention discloses a corrugated steel web continuous beam bridge side span closure cast-in-place support structure and a construction method. The structure mainly comprises a cast-in-place support and a temporary support, and has the features that 1, the two supports are independent systems respectively, and the bearing capacity and stability of the cast-in-place support cannot be affected when the temporary support is dismantled after a plurality of cast-in-place box girders are completed; 2, the temporary support is simple to disassemble; and 3, the elevation of a folding section bottomplate template platform is supported or adjusted by effectively utilizing corrugated steel web plate suspension casting hanging basket bottom template hanging rods and framework bolts of a stiff framework, and thus resources are saved. Therefore the corrugated steel web continuous beam bridge side span closure cast-in-place support structure has the advantages that the operation is convenient andefficient, the construction method has the advantages of being simple, safe, reliable, capable of guaranteeing quality and the like, a corresponding construction method is combined, collapse accidents generated when a full-space support and an operation platform with the length of the bottoms of the outermost ends of the cast-in-place box girders which is cast-in-place are dismantled can be avoided, the effects of energy conservation and emission reduction are achieved, and economic benefits and social benefits are remarkable.

The invention provides a three-rotor continuous mixing unit with rotors arranged in a straight line. The mixing unit mainly comprises a mixing part and a discharging part and can adopt a single-band or dual-band mode; wherein the mixing part mainly comprises a charging device, a cylinder, three rotors, heating and cooling devices and a transmission device; the center lines of the three rotors are in the same plane and the three rotors are arranged in parallel; the projection lines vertical to the plane are arranged in a straight line; the mixing rotors must be provided with charging segments and mixing segments; the screw conveying structure is adopted to the rotors on the charging segments; efficient cam-shaped, S-shaped or four-wing-shaped mixing rotor structure is adopted to the rotors on the mixing segments; when the mixing unit adopts the single-band mode, the tail ends of the rotors adopt the screw structure and pressure is created to convey the materials to the head; and when the mixing unit adopts the dual-band mode, the mixed materials enter into next band of screw extruder via a valve and pressure is created to convey the materials to the head; the mixing unit in any one of the two modes adopts the head fit for the cavity for pelleting or forming; a melt pump can be connected in front of the head; and the three rotors can rotate at the same speed or different speed and form a plurality of shearing, drawing and kneading zones during rotation, and exchange of materials among the rotors is more frequent, thus effectively improving the plasticating, melting and dispersing properties of equipment, shortening the processing time and improving the yield. The mixing unit can be used in such processes as mixing, pelleting and the like during processing rubbers, coatings, propellants, explosives, paper pulp, plastics, food, medicaments, feeds and the like.

The invention provides a low temperature pretreatment process of a soybean fiber fabric. The treatment process is as follows: soaking the soybean fiber fabric in low temperature scouring and bleaching liquid, and then mangling and steaming. The low temperature scouring and bleaching liquid is prepared from the following components in parts by weight: 30-50 parts of tea saponin, 20-40 parts of sodium perborate, 1-3 parts of 2, 2-bipyridine, 0.1-0.5 part of horse radish peroxidase and 3-6 parts of sodium alginate. The low temperature pretreatment process of soybean fiber fabric can be used for reducing the bleaching temperature of soybean fibers from 95 DEG C to 60-80 DEG C, so as to save energy and generate no damage to the soybean fiber fabric.

The invention discloses a seamless steel bridge deck structure of a road bridge and a construction method, belonging to the field of construction of the road bridge. The structure comprises two bridge abutments, a plurality of bridge piers, a multi-span precast beam and the like, and a steel bridge deck which continuously and seamlessly spans the multi-span precast beam and asphalt concrete which is paved on the steel bridge deck are arranged at the upper part of the multi-span precast beam, thereby forming the seamless steel bridge deck structure of the road bridge; anti-collision guardrails are arranged at two transverse outer sides of the steel bridge deck, and a plurality of chock blocks which are arranged at equal intervals along the longitudinal direction of the bridge are mounted between the anti-collision guardrails and the steel bridge deck; and meanwhile, drain holes are formed in outer edges of two sides of the asphalt concrete, and drain pipes are arranged in the anti-collision guardrails and can be used for connecting the drain holes to the outside of the bridge deck. The structure has the advantages of being simple in construction, safe and reliable, high in industrialized and standardized degree, wide in range of application, large in span length and the like, can be widely applicable to multi-span and small and medium-span bridges, and also has energy saving and emission reduction effects as well as very obvious economical and social benefits in combination with the construction method.

The invention discloses a resource utilization method of tail gas from trifluoroethylene production. According to the invention, addition reaction between the tail gas from the trifluoroethylene production and bromine is performed to generate dibromotrifluoroethane and dibromotrifluoro chloroethane. The preparation method has the following advantages: the technology is simple; reaction condition is mild; purification is easy; and the technology is suitable for large-scale production. The method provided by the invention has effects of energy conservation and emission reduction. The prepared dibromotrifluoroethane can be used to prepare a dry etching gas hexafluorobutadiene, novel gyroscope suspension fluorobromohydrocarbon oil, alpha, beta, beta-trifluorostyrene and an insecticide and acaricide 1,4-diaryl-2,3-difluoro-2-butene. The prepared dibromotrifluoro chloroethane can be used to prepare a plant growth regulator's intermediate ethyl bromodifluoroacetate and a chain transfer agent used as radical polymerization.

The invention provides a denitration agent and a preparation method thereof, and belongs to the technical field of catalytic cracking auxiliaries. The denitration agent is prepared from 60-85 parts of activated aluminum oxide, 1-10 parts of compound of a noble metal element, 1-5 parts of chloride of rear earth elements, 1-15 parts of nitrate of transition metal elements, 1-10 parts of nitrate of alkaline earth metal elements and 20-200 parts of water. The denitration agent can effectively decrease the concentration of NOx in flue gas, and meanwhile carbon monoxide in the flue gas is not consumed in the working process.

The invention relates to a combined heat-insulation casing for pipeline elbows, which is used for heat-insulation application in fields of pipelines for nuclear power, thermal power, iron and steel, petroleum and chemical industries, and is special in structure and convenient to be mounted on construction fields. The combined heat-insulation casing for the pipeline elbows consists of an outer elbow casing and an inner elbow casing which are combined integrally, wherein the outer elbow casing consists of two outer straight circular arc plates and at least one outer divided joint plate, the inner elbow casing consists of two inner straight circular arc plates and at least one inner divided joint plate, and the combined heat-insulation casing for the pipeline elbow is made of metal sheets in a pressing forming manner. The combined heat-insulation casing for the pipeline elbows is reasonable in design, quite convenient to be mounted on construction fields, easy to be detached, is raw-material-saving, low in cost, reusable, environment-friendly, capable of improving work efficiency, reducing construction and maintenance expenses, improving heat efficiency of engineering pipelines and reducing production cost, has energy-saving and emission-reducing effects and obvious economic benefit.

The invention relates to an energy feedback self-control magneto-rheological shock absorber. The energy feedback self-control magneto-rheological shock absorber is composed of a piston rod, a working cylinder, a compensation device and a piston, wherein the working cylinder is divided into an upper cavity and a lower cavity through the piston , a damping passageway is arranged between the upper cavity and the lower cavity, an energy feedback cavity is formed in the piston, two magnetic poles are arranged on the two sides of the energy feedback cavity, the magnetic poles include the S pole and the N pole, a magnetic exciting coil is arranged between the two magnetic poles, the magnetic exciting coil is connected with a lead screw which penetrates through an inner hole of the magnetic exciting coil, the lead screw is matched with a nut fixed into the energy feedback cavity, and the lead screw is connected with the working cylinder in a rotating mode. The energy feedback self-control magneto-rheological shock absorber is simple in structure, free of signal delivery, and capable of autonomously controlling the current according to the road surface conditions, and has the energy conservation effect and the emission reduction effect.

The invention discloses equipment for producing an automotive diesel fuel from medium temperature coal tar light oil as a raw material. The equipment comprises a preheating tank for preheating the raw oil, a cyclic heating system for heating and gasifying the preheated raw oil, and a catalytic separation system for catalyzing and separating the raw oil which is heated and gasified previously, wherein the cyclic heating system comprises a cyclic kettle and a tubular furnace for heating and gasifying the preheated raw oil; and the catalytic separation system comprises a catalatic tower for catalytically cracking the gasified raw oil and a separation tower for separating a product obtained through the catalytic cracking. In addition, the invention also discloses a method for producing the automotive diesel fuel from the medium temperature coal tar light oil as the raw material by using the equipment. The equipment provided by the invention is reliable to run, simple to operate, and capable of realizing continuous production. The production method provided by the invention is simple and feasible, stable to operate and free of emission of three wastes in the production process, and is energy-saving and environment-friendly.

The invention discloses a special stem for an LED (Light Emitting Diode) filament lamp, including an inverted bell pipe and an exhaust pipe, wherein the exhaust pipe is vertically arranged in the bell pipe, wires are arranged on the parallel positions on two sides of the exhaust pipe, wire nodes are arranged on the wires, a solid core rod is placed on the top of the bell pipe, and the upper end part of the solid core rod is stuck with a short nickel wire. The special stem of the LED filament lamp has the advantages that: the LED filament lamp made from the special stem has the effects on saving energy and reducing emission, the LED filament lamp has the characteristics of small current and high voltage, the special stem is low in cost, long in service life, simple to operate and saving in cost.

The invention provides a nano anion card and a preparation method and application thereof, and belongs to the technical field of environmental protection. The nano anion card comprises a carrier and a nano anion powder layer, wherein the nano anion powder layer is loaded on the surface of the carrier. The preparation method comprises the following steps: (1) preparing a nano anion powder solution by mixing nano anion powder, and printing the nano anion powder solution onto the carrier by virtue of silk screen to form the nano anion powder layer; and (2) cooling the nano anion powder layer, stamping the carrier printed with the nano anion powder, and preparing the nano anion card satisfying the specification. The nano anion card can be applied to the air purification or oil conservation and emission reduction. According to the nano anion card and the preparation method and application thereof, by virtue of the nano anion layer loaded on the carrier, not only is the utilization rate of fuel oil increased, an effect of energy conservation and emission reduction can be achieved; and moreover, the nano anion card can be used for purifying air; and meanwhile, the nano anion card has the advantages of low cost and convenience in use.

The invention relates to a light-driving floating and diving motion device based on bubbles. The device comprises a floating and diving motion main body, wherein the floating and diving motion main body is formed by compounding a photo-thermal conversion material with a high-efficiency electromagnetic wave absorption characteristic and a base material, wherein a micro-nano structure capable of constraining a layer of the micro-bubbles is further processed on the surface of the photo-thermal conversion material of the floating and diving motion main body. Compared with the prior art, accordingto the device, driving by the thermal bubbles based on the photo-thermal effect is achieved; light energy is converted into kinetic energy of the device, so that the controllable motion under the light condition is realized; the design of a motion body in a liquid is simplified, and a novel method for driving an object in the liquid is developed; and the device can move in various liquids such aswater and other organic liquids, so that the device has a wide application prospect.

The invention provides an air-conditioning system. The air-conditioning system comprises a compressor unit, a four-way valve, an indoor heat exchanger, a first throttling gear, a water tank and a water side heat exchanger; the compressor unit is formed by one or more compressors; the first end and the second end of the four-way valve are connected to the two ends of the compressor unit respectively; one end of the indoor heat exchanger is connected to the third end of the four-way valve; one end of the first throttling gear is connected to the other end of the indoor heat exchanger; the water tank is used for storing water waiting for heat exchange; and a first inlet of the water side heat exchanger is connected to the other end of the first throttling gear, a second inlet of the water side heat exchanger is connected to an outlet of the water tank, a first outlet of the water side heat exchanger is connected to the fourth end of the four-way valve, and the water side heat exchanger is used for conducting heat exchange between the water, waiting for heat exchange, from the water tank and a refrigerant coming from the indoor heat exchanger. By means of the technical scheme, waste of energy resources is avoided, the problem of frosting caused when the air-conditioning system conducts heating is solved, and meanwhile the heating effect is improved.

The invention discloses a method for preparing a styrene butadiene rubber modified bituminous mixture. The method comprises the following steps: mixing aggregate and matrix bitumen at 130 to 150 DEG C for 8 to 60 s; adding styrene butadiene latex and mixing for 10 to 60 s; adding a warm mixing agent and mixing for 6 to 60 s; and adding mineral powder and mixing for 6 to 60 s to obtain the styrenebutadiene rubber modified bituminous mixture. The invention overcomes the defects that the conventional method for preparing styrene butadiene rubber modified bitumen is complicated, special modifiedbitumen equipment is required, the marketing of the finished product of modified bitumen is limited by the transportation distance, the storage stability is low and the like, does not need special bitumen modification equipment and adds the styrene butadiene latex into the bituminous mixture in a direct way; and the particularly adopted mixture warm-mixing technology has functions of energy conservation and emission reduction and delays the temperature reduction speed of the mixture so that the finally obtained mixture is applicable to the construction in cold areas, the construction time of the bituminous pavement in the areas can be prolonged, the construction range can be expanded, etc.